--- /dev/null
+
+The initial developer and founder of the project:
+-------------------------------------------------
+La Monte H.P. Yarroll <piggy@acm.org>
+
+Current Maintainer:
+-------------------
+Sridhar Samudrala <sri@us.ibm.com>
+
+Previous Maintainers:
+--------------------
+Jon Grimm <jgrimm@us.ibm.com>
+
+Contributors:
+-------------
+Karl Knutson <karl@athena.chicago.il.us>
+
+Xingang Guo <xingang.guo@intel.com>
+
+Daisy Chang <daisyc@us.ibm.com>
+
+Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+
+Hui Huang <hui.huang@nokia.com>
+
+Dajiang Zhang <dajiang.ahang@nolia.com>
+
+Ryan Layer <rmlayer@us.ibm.com>
+
+Francois-Xavier Kowalski <francois-xavier.kowalski@hp.com>
+
+Vlad Yasevich <vladislav.yasevich@hp.com>
+
+Frank Filz <ffilz@us.ibm.com>
+
+Are you missing? drop us a line!
--- /dev/null
+
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 675 Mass Ave, Cambridge, MA 02139, USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The licenses for most software are designed to take away your
+freedom to share and change it. By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users. This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it. (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.) You can apply it to
+your programs, too.
+
+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+ To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+ For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have. You must make sure that they, too, receive or can get the
+source code. And you must show them these terms so they know their
+rights.
+
+ We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+ Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software. If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
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+
+ Finally, any free program is threatened constantly by software
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+
+ The precise terms and conditions for copying, distribution and
+modification follow.
+\f
+ GNU GENERAL PUBLIC LICENSE
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+ 0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License. The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language. (Hereinafter, translation is included without limitation in
+the term "modification".) Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope. The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+ 1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+ 2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+ a) You must cause the modified files to carry prominent notices
+ stating that you changed the files and the date of any change.
+
+ b) You must cause any work that you distribute or publish, that in
+ whole or in part contains or is derived from the Program or any
+ part thereof, to be licensed as a whole at no charge to all third
+ parties under the terms of this License.
+
+ c) If the modified program normally reads commands interactively
+ when run, you must cause it, when started running for such
+ interactive use in the most ordinary way, to print or display an
+ announcement including an appropriate copyright notice and a
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+ a warranty) and that users may redistribute the program under
+ these conditions, and telling the user how to view a copy of this
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+ does not normally print such an announcement, your work based on
+ the Program is not required to print an announcement.)
+\f
+These requirements apply to the modified work as a whole. If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works. But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+ 3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+ a) Accompany it with the complete corresponding machine-readable
+ source code, which must be distributed under the terms of Sections
+ 1 and 2 above on a medium customarily used for software interchange; or,
+
+ b) Accompany it with a written offer, valid for at least three
+ years, to give any third party, for a charge no more than your
+ cost of physically performing source distribution, a complete
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+
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+ to distribute corresponding source code. (This alternative is
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+ received the program in object code or executable form with such
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+
+The source code for a work means the preferred form of the work for
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+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+\f
+ 4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License. Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
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+
+ 5. You are not required to accept this License, since you have not
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+distribute the Program or its derivative works. These actions are
+prohibited by law if you do not accept this License. Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+ 6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
+original licensor to copy, distribute or modify the Program subject to
+these terms and conditions. You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties to
+this License.
+
+ 7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
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+distribute so as to satisfy simultaneously your obligations under this
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+may not distribute the Program at all. For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
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+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
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+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+\f
+ 8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded. In such case, this License incorporates
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+
+ 9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time. Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number. If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation. If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+ 10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
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+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this. Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+ NO WARRANTY
+
+ 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+ 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+ END OF TERMS AND CONDITIONS
+\f
+ Appendix: How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) 19yy <name of author>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+ Gnomovision version 69, Copyright (C) 19yy name of author
+ Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. Here is a sample; alter the names:
+
+ Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+ `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+ <signature of Ty Coon>, 1 April 1989
+ Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs. If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library. If this is what you want to do, use the GNU Library General
+Public License instead of this License.
--- /dev/null
+ GNU LESSER GENERAL PUBLIC LICENSE
+ Version 2.1, February 1999
+
+ Copyright (C) 1991, 1999 Free Software Foundation, Inc.
+ 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+[This is the first released version of the Lesser GPL. It also counts
+ as the successor of the GNU Library Public License, version 2, hence
+ the version number 2.1.]
+
+ Preamble
+
+ The licenses for most software are designed to take away your
+freedom to share and change it. By contrast, the GNU General Public
+Licenses are intended to guarantee your freedom to share and change
+free software--to make sure the software is free for all its users.
+
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+specially designated software packages--typically libraries--of the
+Free Software Foundation and other authors who decide to use it. You
+can use it too, but we suggest you first think carefully about whether
+this license or the ordinary General Public License is the better
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+
+ When we speak of free software, we are referring to freedom of use,
+not price. Our General Public Licenses are designed to make sure that
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+it in new free programs; and that you are informed that you can do
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+
+ To protect your rights, we need to make restrictions that forbid
+distributors to deny you these rights or to ask you to surrender these
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+you if you distribute copies of the library or if you modify it.
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+or for a fee, you must give the recipients all the rights that we gave
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+
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--- /dev/null
+Version 2.6.28-1.0.10 of the Developers' Release of the SCTP
+Linux Kernel Implementation is available from
+
+ http://www.kernel.org
+
+lksctp-2.6.28-1.0.10: Fri Mar 27 11:15:25 EDT 2009
+T:TEST Split the kernel frame test framework from lksctp-tools. The
+ framework is very sensitive to all kernel changes, not just ones
+ related to SCTP. As such, it has been a gating fractor to the
+ releases of the new tools.
+T:APP New tool sctp_status to be used with SCTP conformance tests.
+ http://networktest.sourceforge.net/
+T:APP Add -T option to sctp_test
+T:APP Fix the -e option to sctp_darn
+T:LIB Fix building of static libraries.
+T:LIB Fix compile warning in addrs.c
+T:APP Update the application useage of sctp_connectx
+T:TEST Update the sctp_connectx() functional tests.
+T:API Update to the sctp_connectx(). Now takes additional argument.
+T:API Let sctp_recvmsg() honor passed in MSG_ flags
+K: See kernel change log for details. We'll track only tools
+ changes here from now on.
+lksctp-2.6.26-1.0.9: Sun Jul 13 14:51:29 PDT 2008
+T:Patch Make frame tests work with 2.6.26 kernel.
+T:Patch Implement and export SCTP-AUTH API extensions based on
+ sctpsocket-16 draft
+T:NA Process withsctp.in at build time
+K:Patch Add documentation for sctp sysctl variable
+K:NA Mark the tsn as received after all allocations finish
+K:NA Make sure N * sizeof(union sctp_addr) does not overflow.
+K:NA Correclty set changeover_active for SFR-CACC
+K:NA Correctly cleanup procfs entries upon failure.
+K:NA Fix ECN markings for IPv6
+K:NA Flush the queue only once during fast retransmit.
+K:NA Start T3-RTX timer when fast retransmitting lowest TSN
+K:NA Correctly implement Fast Recovery cwnd manipulations.
+K:NA Move sctp_v4_dst_saddr out of loop
+K:NA retran_path update bug fix
+K:NA Fix NULL dereference of asoc.
+K:NA Fix use of uninitialized pointer
+K:NA Add address type check while process paramaters of ASCONF chunk
+K:NA Do not enable peer IPv6 address support on PF_INET socket
+K:NA Initialize partial_bytes_acked to 0, when all of the data is acked
+K:NA IPv4 vs IPv6 addresses mess in sctp_inet[6]addr_event.
+K:NA Fix compiler warning about const qualifiers
+K:NA Fix protocol violation when receiving an error lenght INIT-ACK
+K:NA Add check for hmac_algo parameter in sctp_verify_param()
+K:Patch New sctp mailing list
+K:NA Remove an unused parameter from sctp_cmd_hb_timer_update
+K:Patch "list_for_each()" -> "list_for_each_entry()" where appropriate.
+K:NA Correct /proc/net/assocs formatting error
+K:Patch Use snmp_mib_{init,free}().
+K:Patch Remove useless assignment from __sctp_rcv_lookup_endpoint
+K:NA fix wrong debug counting of bind_bucket
+K:NA fix wrong debug counting of datamsg
+K:Patch Replace socket with sock for SCTP control socket.
+K:Patch Use inet_ctl_sock_create for control socket creation.
+K:Patch Remove sctp_add_cmd_sf wrapper bloat
+K:Patch Remove redundant wrapper functions.
+K:Patch Replace char msg[] with static const char[]
+K:NA Fix a race between module load and protosw access
+K:NA fix misannotated __sctp_rcv_asconf_lookup()
+K:NA Fix local_addr deletions during list traversals.
+K:Patch Bring MAX_BURST socket option into ietf API extension compliance
+K:NA Fix chunk parameter processing bug
+K:Patch Kill unused static inline sctp_sysctl_jiffies_ms
+K:Patch extend exported data in /proc/net/sctp/assoc
+K:Patch Use proc_create to setup de->proc_fops.
+K:Patch Update AUTH structures to match declarations in draft-16.
+K:NA Incorrect length was used in SCTP_*_AUTH_CHUNKS socket option
+K:Patch Clean up naming conventions of sctp protocol/address family
+ registration
+K:NA Correctly set the length of sctp_assoc_change notification
+K:NA Pick up an orphaned sctp_sockets_allocated counter.
+K:Patch Convert sctp_dbg_objcnt to seq files.
+K:Patch Use snmp_fold_field instead of a homebrew analogue.
+K:NA Make sure the chunk is off the transmitted list prior to freeing.
+K:NA Fix kernel panic while received ASCONF chunk with bad serial
+ number
+K:NA Set ports in every address returned by sctp_getladdrs()
+K:NA Correctly reap SSNs when processing FORWARD_TSN chunk
+K:NA Fix kernel panic while received AUTH chunk with BAD shared key
+ identifier
+K:NA Fix kernel panic while received AUTH chunk while enabled auth
+K:Patch Kill silly inlines in ulpqueue.c
+K:NA Do not increase rwnd when reading partial notification.
+K:Patch Stop claiming that this is a "reference implementation"
+K:NA Fix miss of report unrecognized HMAC Algorithm parameter
+K:NA Correctly initialize error when parameter validation failed.
+K:Patch Follow Add-IP security consideratiosn wrt INIT/INIT-ACK
+K:Patch Implement ADD-IP special case processing for ABORT chunk
+K:Patch Change use_as_src into a full address state
+K:Patch Update ASCONF processing to conform to spec.
+K:Patch ADD-IP updates the states where ASCONFs can be sent
+K:Patch Update association lookup to look at ASCONF chunks as well
+K:Patch Add the handling of "Set Primary IP Address" parameter to INIT
+K:Patch Handle the wildcard ADD-IP Address parameter
+K:Patch Discard unauthenticated ASCONF and ASCONF ACK chunks
+K:Patch Use crc32c library for checksum calculations.
+K:Patch Use ipv4_is_<type>
+
+lksctp-2.6.24-1.0.8: Fri Feb 01 14:55:00 EST 2008
+K:NA Add back the code that accounted for FORWARD_TSN parameter in
+ INIT.
+K:NA Correctly handle AUTH parameters in unexpected INIT
+K:NA Fix the name of the authentication event.
+K:NA Spelling fixes
+K:NA Flush fragment queue when exiting partial delivery.
+K:NA Fix the bind_addr info during migration.
+K:NA Add bind hash locking to the migrate code
+K:NA Fix build issues with SCTP AUTH.
+K:NA Fix chunk acceptance when no authenticated chunks were listed.
+K:NA Fix the supported extensions paramter
+K:NA Fix SCTP-AUTH to correctly add HMACS paramter.
+K:NA Fix the number of HB transmissions.
+K:NA Add missing "space"
+K:NA Always flush the queue when uncorcking.
+K:NA Clean-up some defines for regressions tests.
+K:NA Fix PR-SCTP to deliver all the accumulated ordered chunks
+K:NA Make sctp_verify_param return multiple indications.
+K:NA Convert custom hash lists to use hlist.
+K:NA Use hashed lookup when looking for an association.
+K:NA Fix a potential race between timers and receive path.
+K:NA Allow ADD_IP to work with AUTH for backward compatibility.
+K:NA Correctly disable ADD-IP when AUTH is not supported.
+K:NA Update RCU handling during the ADD-IP case
+K:NA Fix difference cases of retransmit.
+K:NA Fix to process bundled ASCONF chunk correctly
+K:NA Fix bad formatted comment in outqueue.c
+Patch Use the {DEFINE|REF}_PROTO_INUSE infrastructure
+K:NA SCTP endianness annotations regression
+K:NA net/sctp/auth.c: make 3 functions static
+K:NA #if 0 sctp_update_copy_cksum()
+K:NA Consolidate sctp_ulpq_renege_xxx functions
+Patch port randomization
+Patch Tie ADD-IP and AUTH functionality as required by spec.
+Patch API updates to suport SCTP-AUTH extensions.
+Patch Implement the receive and verification of AUTH chunk
+Patch Enable the sending of the AUTH chunk.
+Patch Implement SCTP-AUTH parameter processing
+Patch Implement SCTP-AUTH initializations.
+Patch Implement SCTP-AUTH internals
+Patch protocol definitions for SCTP-AUTH implementation
+K:NA Move sysctl_sctp_[rw]mem definitions to protocol.
+Patch Implement the Supported Extensions Parameter
+K:NA net/sctp/socket.c: make 3 variables static
+K:NA Make sctp_addto_param() static.
+Patch Rewrite of sctp buffer management code
+K:NA Add paramters validity check for ASCONF chunk
+K:NA Discard OOTB packetes with bundled INIT early.
+K:NA Clean up OOTB handling and fix infinite loop processing
+K:NA Explicitely discard OOTB chunks
+K:NA Send ABORT chunk with correct tag in response to INIT ACK
+K:NA Validate buffer room when processing sequential chunks
+K:NA Convert bind_addr_list locking to RCU
+K:NA Add RCU synchronization around sctp_localaddr_list
+K:NA Fix to handle invalid parameter length correctly
+K:NA Abort on COOKIE-ECHO if backlog is exceeded.
+K:NA Correctly disable listening when backlog is 0.
+K:NA Do not retransmit chunks that are newer then rtt.
+K:NA Uncomfirmed transports can't become Inactive
+K:NA Pick the correct port when binding to 0.
+K:NA Use net_ratelimit to suppress error messages print too fast
+K:NA Fix to encode PROTOCOL VIOLATION error cause correctly
+K:NA Fix sctp_addto_chunk() to add pad with correct length
+K:NA Assign stream sequence numbers to the entire message
+K:NA properly clean up fragment and ordering queues during FWD-TSN.
+K:NA remove useless code in function sctp_init_cause
+K:NA drop SACK if ctsn is not less than the next tsn of assoc
+K:NA IPv4 mapped addr not returned in SCTPv6 accept()
+K:NA Fix whitespace errors.
+
+lksctp-2.6.22-1.0.7: Thu Jul 12 12:24:14 EDT 2007
+K:NA Don't disable PMTU discovery when mtu is small
+K:NA Flag a pmtu change request
+K:NA Update pmtu handling to be similar to tcp
+K:NA Fix leak in sctp_getsockopt_local_addrs when copy_to_user fails
+K:NA Allow unspecified port in sctp_bindx()
+K:NA Correctly set daddr for IPv6 sockets during peeloff
+K:NA Do not include ABORT chunk header in the notification.
+K:NA Correctly copy addresses in sctp_copy_laddrs.
+K:NA Prevent OOPS if hmac modules didn't load
+K:NA Set assoc_id correctly during INIT collision.
+K:NA Re-order SCTP initializations to avoid race with sctp_rcv()
+K:NA Fix the SO_REUSEADDR handling to be similar to TCP.
+K:NA Verify all destination ports in sctp_connectx.
+K:NA Fix sctp_getsockopt_local_addrs_old() to use local storage.
+K:NA Implement SCTP_MAX_BURST socket option.
+K:NA Implement sac_info field in SCTP_ASSOC_CHANGE notification.
+K:NA Honor flags when setting peer address parameters
+K:NA Implement SCTP_ADDR_CONFIRMED state for ADDR_CHNAGE event.
+K:NA Implement SCTP_PARTIAL_DELIVERY_POINT option.
+K:NA Implement SCTP_FRAGMENT_INTERLEAVE socket option
+K:NA Do not interleave non-fragments when in partial delivery
+K:NA Unmap v4mapped addresses during SCTP_BINDX_REM_ADDR operation.
+K:NA Fix assertion (!atomic_read(&sk->sk_rmem_alloc)) failed message
+K:NA Correctly reset ssthresh when restarting association
+K:NA Reset some transport and association variables on restart
+K:NA Increment error counters on user requested HBs.
+K:NA Cleanup stale data during association restart
+K:NA Strike the transport before updating rto.
+K:NA Fix connection hang/slowdown with PR-SCTP.
+K:NA Force update of the rto when processing HB-ACK
+K:NA Fix SACK sequence during shutdown.
+K:NA Correctly handle unexpected INIT-ACK chunk.
+K:NA Verify some mandatory parameters.
+K:NA Set correct error cause value for missing parameters
+K:NA Fix err_hdr assignment in sctp_init_cause.
+T:NA Add support for sctp_getaddrlen() API.
+K,T:NA Fix typo adaption -> adaptation as per the latest API draft.
+K:NA Don't export include/linux/sctp.h to userspace.
+K,T:NA Add support for SCTP_CONTEXT socket option.
+K:NA Enable auto loading of SCTP when creating an ipv6 SCTP socket.
+K:NA Handle address add/delete events in a more efficient way.
+K:NA SCTP endianness annotations.
+K:NA Cleanup of the sctp state table code.
+K:NA Remove temporary associations from backlog and hash.
+K:NA Correctly set IP id for SCTP traffic.
+K:NA Always linearize packet on input.
+K:NA Fix the RX queue size shown in /proc/net/sctp/assocs output.
+K:NA Fix receive buffer accounting.
+K:NA Do not timestamp every SCTP packet.
+K:NA Use correct mask when disabling PMTUD.
+K:NA Include sk_buff overhead while updating the peer's receive window.
+K:NA Enable Nagle algorithm by default.
+K:NA Remove multiple levels of msecs to jiffies conversions.
+K:NA Use the flags value that is passed as an arg to sctp_accept.
+K:NA Fix IPv6 address flag setting when doing peel-off/accept.
+K:NA Cleanup nomem handling in the state functions.
+K:NA Extend /proc/net/sctp/snmp to provide more statistics.
+K:NA Convert SCTP to use the new HMAC template and hash interface.
+K:NA Fix sctp_primitive_ABORT() call in sctp_close().
+K:NA Fix sctp_make_abort_user() to avoid use of buggy
+ get_user_iov_size().
+K:Bug 1502698 ADDIP: Don't use an address as source until it is ASCONF-ACKed.
+K:NA Set chunk->data_accepted only if we are going to accept it.
+K:NA Verify all the paths to a peer via heartbeat before using them.
+K:NA Unhash the endpoint in sctp_endpoint_free().
+K:NA Check for NULL input to sctp_bucket_destroy().
+K:NA Fix persistent slowdown in sctp when a gap ack consumes rx buffer.
+K:NA Send only 1 window update SACK per message.
+K:NA Don't do CRC32C checksum over loopback.
+K:NA Reset rtt_in_progress for the chunk when processing its sack.
+K:NA Reject sctp packets with broadcast addresses.
+K:NA Limit association max_retrans setting in ASSOCINFO setsockopt.
+T:NA updates to linux 2.6.17
+K:NA Allow linger to abort 1-N style sockets.
+K:NA Validate the parameter length in HB-ACK chunk.
+K:NA A better solution to fix the race between sctp_peeloff() and
+ sctp_rcv().
+K:Bug 1439226 Set sk_err so that poll wakes up after a non-blocking connect
+ failure.
+K:NA Fix state table entries for chunks received in CLOSED state.
+K:NA Fix panic's when receiving fragmented SCTP control chunks.
+K:NA Prevent possible infinite recursion with multiple bundled DATA.
+K:NA Allow spillover of receive buffer to avoid deadlock.
+T:NA Fix the type of 'len' argument in sctp_recvmsg() man page.
+
+lksctp-2.6.16-1.0.6: Fri Feb 3 10:54:20 PST 2006
+K:NA Fix 'fast retransmit' to send a TSN only once.
+K:NA Heartbeats exceed maximum retransmission limit.
+K:NA Correct the number of INIT retransmissions.
+K:NA Fix sctp_rcv_ootb() to handle the last chunk of a packet
+ correctly.
+K:NA Fix couple of races between sctp_peeloff() and sctp_rcv().
+K:NA Fix machine check/connection hang on IA64.
+K:NA Fix bad sysctl formatting of SCTP timeout values on 64-bit m/cs.
+K:NA Fix sctp_assoc_seq_show() panics on big-endian systems.
+K:NA sctp doesn't show all associations/endpoints in /proc.
+K:NA Fix sctp_cookie alignment in the packet.
+K:NA Fix potential race condition between sctp_close() and sctp_rcv().
+K,T:NA Add support for SCTP_DELAYED_ACK_TIME socket option.
+K,T:NA Update SCTP_PEER_ADDR_PARAMS socket option to the latest api.
+ draft11.
+
+lksctp-2.6.15-1.0.5: Tue Jan 3 15:49:27 PST 2006
+K:NA Fix SCTP to not return erroneous POLLOUT events.
+K:NA Fix getsockname for sctp when an ipv6 socket accepts a
+ connection from an ipv4 socket.
+K:NA Return socket errors only if the receive queue is empty.
+K,T:NA Include ulpevents in socket receive buffer accounting.
+K:Bug 1350514 Fix ia64 NaT consumption fault with sctp_sideeffect commands.
+K:NA Remove timeouts[] array from sctp_endpoint.
+K:Bug 1350521 Fix potential NULL pointer dereference in sctp_v4_get_saddr.
+K:NA Do not allow unprivileged programs initiating new assocs on
+ privileged ports.
+K:NA Allow SCTP_MAXSEG to revert to default frag point with a '0'
+ value.
+K:NA Fix SCTP_SETADAPTION sockopt to use the correct structure.
+K,T:NA Rename SCTP specific control message flags to use SCTP_ prefix
+ rather than MSG_ prefix.
+
+lksctp-2.6.14-1.0.4: Fri Oct 28 10:56:04 PDT 2005
+T:NA Add sctp_send() API support, testcases and manpage.
+T:NA Add preprocessor constants for PR-SCTP, ADDIP & CANSET_PRIMARY
+K,T:NA Fix SCTP socket options to work with 32-bit apps on 64-bit
+ kernels.
+K,T:NA Fix sctp_get{pl}addrs() API to work with 32-bit apps on 64-bit
+ kernels.
+T:NA Ignore MSG_CMSG_COMPAT flag leaked to 32-bit userspace with
+ 64-bit kernels <= 2.6.13.
+K,T:Bug 1122994Fix SCTP_SHUTDOWN notifications for 1-1 style sockets.
+
+lksctp-2.6.13-1.0.3: Thu Sep 1 10:54:22 PDT 2005
+T:NA Update to 2.6.13
+K:NA Fix potential NULL pointer dereference while handling an ICMP
+ error.
+K:NA Make init & delayed sack timeouts configurable by user.
+K:NA Fix incorrect setting of sk_bound_dev_if when binding/sending
+ to a ipv6 link local address.
+K:NA Support IP_FREEBIND socket option and ip_nonlocal_bind sysctl.
+K:NA Extend the info exported via /proc/net/sctp to support
+ netstat for SCTP.
+K:NA Support SO_BINDTODEVICE option on incoming packets.
+K:Bug 120804 Fix bug in restart of peeled-off association.
+K,T:NA sctp_connectx() support.
+T:NA Increase sk_sndbuf to address send buffer accounting changes.
+T:NA Update SCTP internet drafts in doc directory
+T:NA Fix inconsistencies in license stmt in the library files.
+K:Bug 1155119 Add sctp send buffer accounting.
+K:NA Replace incorrect use of dev_alloc_skb with alloc_skb in
+ sctp_packet_transmit().
+K:NA Fix bug in sctp_init() error handling code.
+K:NA Use ipv6_addr_any() rather than ipv6_addr_type() in
+ sctp_v6_is_any().
+T:Bug 1150885 Fix subscript out of range bug in sctp_test.c
+K:Bug 1158878 Implement Sec 2.41 of SCTP Implementers guide.
+K:Bug 1121085 Fix SCTP_ASSOCINFO getsockopt for 1-1 style sockets.
+K:Bug 1155130 Add sctp receive buffer accounting.
+
+lksctp-2.6.10-1.0.2: Thu Dec 30 15:55:27 PST 2004
+Bug 1074664 Fix sctp_getladdrs() to return valid local addresses on an
+ endpoint that is bound to INADDR_ANY or inaddr6_any.
+NA Update to 2.6.10
+Bug 1028605 Fix misc. issues in SCTP_PEER_ADDR_PARAMS set socket option.
+NA Fix bug in setting ephemeral port while adding a bind address.
+Bug 1090392 Clean up the T3_rtx timer when deleting a transport.
+Patch 1090027Implementation of SCTP IG Section 2.35
+Bug 905731 Validate and respond to invalid chunk/parameter lengths.
+Bug 1085959 Treat ICMP protocol unreachable errors from non-SCTP capable
+ hosts as ABORTs.
+NA Code cleanup: remove unused code and make needlessly global code
+ static
+Bug 1058857 Fix potential null pointer dereference in sctp_err_lookup().
+Bug 982971 Validate fromlen/msg_flags in sctp_recvmsg before dereferencing.
+Bug 860345 Fix invalid msg length to sctp_sendmsg in sctp_xconnect.c
+Bug 1008149 Fix HEARTBEAT_ACKs being sent to wrong dest. ip address in a
+ multihoming scenario after failback. (Jorge)
+NA Update any transports that are caching a deleted address as
+ a source address.
+NA Update cwnd/ssthresh as per the sctpimpguide modifications.
+NA Adaption layer indication support
+NA Change sctp_assoc_t to a sized type(s32)
+NA Update to 2.6.9
+NA Update to 2.6.8-rc2
+NA Mark chunks as ineligible for fast retransmit after handling
+ retransmit.
+Bug 995918 Fix missing '+' in the computation of sack chunk size in
+ sctp_sm_pull_sack().
+NA Use idr_get_new_above() with a starting id of 1 to avoid returning
+ an associd of 0.
+Bug 968562 Fix issues with handling stale cookie error over multihoming
+ associations.
+Bug 991991 Fix data not being delivered in SHUTDOWN_SENT state.
+Bug 979178 Set/Get default SCTP_PEER_ADDR_PARAMS for endpoint when associd
+ and peer address are 0.
+Bug 965359 Fix missing VTAG validation on certain incoming packets.
+Bug 965278 Fix to wakeup blocking connect() after max INIT retries failed.
+Bug 965276 Fix the use of cached non-zero vtag in a INIT that is resent
+ after a stale cookie error.
+Bug 962587 Fix poll() on a 1-1 style socket so that it returns when the
+ association is aborted by peer.
+Bug 962530 Add association states to netinet/sctp.h
+Bug 954271 Fix to not start a new association on a 1-many style sendmsg()
+ with MSG_EOF/MSG_ABORT flag and no data.
+Bug 948012 Fix to not setup a new association if the endpoint is in
+ SHUTDOWN_ACK_SENT state and recognizes that the peer has restarted.
+
+lksctp-2.6.6-1.0.1: Tue May 11 10:08:56 PDT 2004
+Bug 949429 Fix multihomed connection failures on 64bit systems. (Vlad)
+Bug 932698 fix accessing gap ack blocks array with -ve index in
+ sctp_outq_sack().
+Bug 932692 memset parameter misordering.
+NA Fix the 3rd arg to sctp_recvmsg() to size_t instead of a ptr.
+NA Rename SCTP_ADDR_REACHBLE as SCTP_ADDR_AVAILABLE.
+NA Fix bugs in handling overlapping INIT and peer restart over a
+ multi-homed association.
+NA SCTP crc table can be static const (Stephen Hemminger)
+NA Update sctp_test message sizes to match the new frag point of
+ 1452 bytes for AF_INET sockets with 1500 mtu.
+NA Propagate error from sctp_proc_init. (Olaf Kirch)
+Patch 751951 Partial Reliability extension support.
+NA Cleanup sctp_packet and sctp_outq infrastructure.
+NA Avoid the use of constant SCTP_IP_OVERHEAD to determine the max
+ data size in a SCTP packet.
+NA Add MSG_EOF to netinet/sctp.h
+NA Use id to ptr translation service to assign and validate assoc ids.
+NA Update sctp_ulpevent structure.
+NA Fix typo in entry name of remove_proc_entry() call.
+NA Enable association change and data io events in sctp_test.
+NA Add set_peer_primary interactive option to sctp_darn.
+NA Use AM_CFLAGS/AM_LDFLAGS in Makefile.am's.
+NA Avoid the use of hackish CONFIG_IPV6_SCTP__ option.
+NA Don't do any ppid byte-order conversions as it is opaque to SCTP.
+
+lksctp-2.6.3-1.0.0:
+Bug 905331 Fix incorrect sinit_max_init_timeo behavior. (samudrala)
+NA Force enable crypto options needed by SCTP (samudrala)
+NA Update to 2.6.3 (samudrala)
+NA Add support to get/set primary addr of an assoc to sctp_darn.
+NA Add __BEGIN_DECLS/__END_DECLS to sctp.h (Ian)
+NA Fix sctp_getladdrs()/sctp_getpaddrs() API so that the port value
+ in the returned addresses is in network byte order. (samudrala)
+NA Fix SCTP_INITMSG set socket option so that a parameter with 0
+ value will not change its current value. (samudrala)
+NA Use __get_free_pages() to allocate ssnmap to avoid kmalloc's
+ 128K limit. (samudrala)
+
+lksctp-2.6.2-0.9.0:
+NA Updated withsctp to capture and replace TCP_NODELAY
+ setsockopt() (samudrala)
+Patch 890787 RPM packaging bugfixes. (FiX)
+NA Removed the deprecated ADLER32 checksum support. (samudrala)
+NA Update to 2.6.2 (samudrala)
+NA Added manpages for SCTP. (samudrala)
+Patch 887176 autoconf cleanup/ Initial RPM packaging (FiX)
+Patch 878417 Added new 1-1 style API testcases. (damien, samudrala)
+NA Add sysctl parameters to change socket receive/send buffer sizes
+ and update the default receive buffer to 65535 bytes.
+NA provide valid tos and oif values for ip_route_output_key.
+NA Fix bugs in byte order conversion while processing certain
+ address related socket options. (samudrala)
+Patch 869098 ADDIP: T4 RTO timer support. (kevin.gao)
+Patch 865250 withsctp: a tool to replace TCP with SCTP. (La Monte)
+NA Enable shared libraries in lksctp-tools. (FiX)
+Patch 843544 ADDIP: Process incoming ASCONF_ACK chunks. (kevin.gao)
+NA Add a testcase to verify that a SHUTDOWN_COMP notification is
+ received on a SHUT_RW one-to-one style socket. (samudrala)
+NA Add peeloff test to src/apps. (samudrala)
+NA Fix overflow in the macros JIFFIES_TO_MSECS/MSECS_TO_JIFFIES
+ when used with large values. (samudrala)
+NA Fix the duplicate increment of checksum error counter and
+ counting bad packet errors as checksum errors. (samudrala)
+NA Fix to free assocs in the acceptq of a one-to-one style socket
+ that is closed. (samudrala)
+NA ADDIP: Add sysctl parameter to enable/disable addip (samudrala)
+NA Fix extra semicolon bug in sctp_cacc_skip_3_1() (Ed Rupp)
+Patch 831522 ADDIP: Testcase for delete IP (kevin.gao)
+Patch 822546 ADDIP: Process ASCONF and respond with ASCONF_ACK (kevin.gao)
+
+lksctp-2.6.0-test7-0.7.4:
+NA Update SCTP tests so that they can be run under LTP (samudrala)
+NA Update to 2.6.0-test7 (samudrala)
+Patch 809137 ADDIP: Support to create ASCONF_ACK chunk. (kevin.gao)
+Patch 798988 ADDIP: ASCONF chunk send support. (kevin.gao)
+NA lksctp-tools tree re-organization (samudrala)
+NA Fix malloc calls in kernel tests with no error checks. (samudrala)
+NA Fix bugs in conversions between msecs and jiffies. (samudrala)
+NA Update to 2.6.0-test6 (samudrala)
+PARISC64 Convert tv_add() from a static inline to macro to fix an
+ obscure assembler issue with parisc64 (samudrala)
+NA Update to 2.6.0-test5 (samudrala)
+PPC64 port Use correct types for args passed to sctp_recvmsg() calls.
+PPC64 port Change the last arg of sctp_opt_info() to match the last arg
+ of getsockopt(). (samudrala)
+PPC64 port Don't overload the optval of ADDRS_NUM socket options with
+ different types for input and output. (samudrala)
+
+lksctp-2_6_0-test4-0_7_3:
+NA draft 07 API: (samudrala)
+ - listen() with 0 backlog disables listening.
+ - By default all notifications are turned off even with
+ one-to-many(UDP) style sockets.
+Bug 799468 Fixes for a couple of issues with ssnmap allocation. (samudrala)
+NA Convert sctp_param2sockaddr() and sockaddr2sctp_addr to address
+ family specific routines. (samudrala)
+NA draft 07 API: sctp_bindx() update. (samudrala)
+Patch 791660 ADDIP: SCTP_SET_PEER_PRIMARY socket option support. (kevin.gao)
+NA Update to 2.6.0-test4 (samudrala)
+NA draft 07 API: getp/laddrs, freep/laddrs changes (samudrala)
+NA draft 07 API: sctp_recvmsg() arg type change. (samudrala)
+NA draft 07 API: sctp_peeloff() takes associd, not a ptr (samudrala)
+Patch 784504 ADDIP: Testcase to verify basic ADDIP functionality. (kevin.gao)
+Bug 787008 Bugs in sysctl set/get of sctp rto parameters. (samudrala)
+NA Update to 2.6.0-test3 (samudrala)
+Bug 783176 Fix to avoid large kmalloc failures on 64bit platforms (samudrala)
+Patch 776732 ADDIP basic infrastructure support. (ardelle.fan)
+Patch 775227 sctp_recvmsg() API support. (rlayer)
+
+lksctp-2_6_0-test1-0_7_2:
+NA Set output interface for link-local v6 addresses (jgrimm)
+Patch 769844 Add V6 and freebsd support to sctp_test (rlayer)
+Patch 772062 Support IPV6_V6ONLY socket option. (ardelle.fan)
+Patch 757888 Support v4-mapped-v6 addresses (ardelle.fan)
+NA Update API names to be compatible with draft07 (samudrala)
+NA Update to 2.6.0-test1 (samudrala)
+Patch 767208 Shutdown transport selection fix. (rlayer)
+Patch 769792 Fix for panic on recvmsg() with MSG_PEEK & misc stuff (samudrala)
+Patch 765676 Fix nasty race on skb destructor with AF_PACKET sockets (jgrimm)
+
+lksctp-2_5_72-0_7_1:
+Patch 759352 Perf: Don't search for gap ack blocks past highest TSN (jgrimm)
+Patch 758202 Perf: Remove update_pending() from SACK path (jgrimm)
+NA Update to 2.5.72
+NA Fix hlist bug introduced by mainline kernel (jgrimm)
+NA sctp_xconnect test tool (rlayer)
+Patch 729089 ASSOCINFO/RTOINFO sockopts (pems & rlayer)
+NA Update to 2.5.71 (jgrimm)
+Bug 754129 Incorrect VTAG in stale cookie error chunk (samudrala)
+Patch 749587 Change rto sysctl vars to milliseconds (rmlayer)
+Patch 752321 Add kamikaze test. (ardelle.fan)
+Bug 752808 Bug fix for input loop exiting too early on TCP-style (jgrimm)
+
+lksctp-2_5_70-0_7_0:
+NA Fix hostname parameter handling, should ABORT (jgrimm)
+NA Fix ft_frame_unkparam testcase (rlayer)
+Bug 751458 Fixes from InterOp (jgrimm, samudrala)
+Bug 746295 Fix div by 0 in sctp_jitter (jgrimm)
+NA Make T5 timer cleanup SHUTDOWN-PENDING state. (jgrimm)
+Patch 744633 /proc interface to display associations/endpoints (samudrala)
+NA Update to 2.5.70 kernel. (samudrala)
+NA sctp_getladdrs(), sctp_getpaddrs() bug fixes. (samudrala)
+Patch 738592 sctp_sendmsg() api support. (ardelle.fan)
+Patch 738550 SCTP_SHUTDOWN_EVENT notification support. (samudrala)
+NA Rename struct sctp_protocol as sctp_globals (samudrala)
+Patch 737395 SCTP_GET_PEER_ADDR_INFO socket option. (samudrala)
+Bug 695324 Report error cause in CANT_STR_ASSOC (ardelle.fan)
+Bug 695322 Stale cookie might not be first err cause (ardelle.fan)
+Patch 735933 Support for socket options that take addr & associd (samudrala)
+Patch 718726 Add CACC frametest (ardelle.fan)
+NA slab cache for chunks & bind_bucket (jgrimm)
+NA Update to 2.5.69 kernel. (samudrala)
+Patch 733320 SCTP ECN & IPv6 (jgrimm)
+NA Bug in get_peer_addr_params. (jgrimm, report by yfj@stanford.edu)
+Patch 730924 Add sinfo_timetolive support. (jgrimm)
+Patch 730461 SO_LINGER support for TCP-style sockets. (samudrala)
+Bug 729234 Initialize missing v4 fields of a v6 accept socket (samudrala)
+Bug 729652 Free chunk(s) when primitive_SEND fails (jgrimm)
+Patch 704841 SEND_FAILed for fragmented messages (jgrimm, ardelle.fan)
+Patch 727821 sendmsg() updates for TCP-style sockets. (samudrala)
+Patch 727454 Add control chunk bundling (jgrimm)
+Patch 718726 Add SFR-CACC support. (ardelle.fan)
+Patch 726343 Add SCTP_MAXSEG support. (jgrimm)
+NA Add some macros to help cleanup code. (jgrimm)
+Patch 725367 Fix for poll() on a TCP-style listening socket. (samudrala)
+Patch 725219 Add per message fragment tracking (jgrimm)
+NA Update to 2.5.68 kernel. (samudrala)
+
+lksctp-2_5_67-0_6_9:
+Patch 723414 Handle accept() of a CLOSED association. (samudrala)
+Patch 722206 shutdown() support for TCP-style sockets. (samudrala)
+Bug 722169 Fix can't send to routed ipv6 address bug (jgrimm)
+NA Fix GFP_KERNEL allocation while spinlock. (jgrimm)
+Patch 721330 Allow v4 private to v4 global association. (jgrimm)
+Patch 720930 getsockname/getpeername support for TCP-style sockets (samudrala)
+Patch 719232 optimization: csum_update_copy && ulpq short-circuit (jgrimm)
+NA Update to 2.5.67 kernel. (samudrala)
+Patch 717587 Use kernel crypto api (jgrimm)
+Patch 714270 listen backlog support for TCP-style sockets. (samudrala)
+Patch 712929 Fix SACK bundling bug & a few minor fixes (jgrimm)
+Patch 711590 Add V6_LINKLOCAL & sin6_scope_id support. (jgrimm)
+Patch 711584 Add '--interface' option to sctp_darn tool. (jgrimm)
+Patch 704841 Add SEND_FAILED support (ardelle.fan)
+NA Update to 2.5.66 kernel (jgrimm)
+Patch 709527 Add icmpv6 handler and PKT_TOOBIG support. (jgrimm)
+
+lksctp-2_5_65-0_6_8:
+Patch 706470 Bundle SACK with outgoing DATA (jgrimm)
+NA Add --echo option to sctp_darn (jgrimm)
+NA Update to 2.5.65 kernel and config changes. (jgrimm)
+Patch 702439 New kernel test to verify TCP-style socket interfaces. (samudrala)
+Bug 701294 Invalid associd passed to getsockopt() in sctp_darn. (samudrala)
+
+lksctp-2_5_64-0_6_7:
+NA Update to 2.5.64 kernel. (samudrala)
+Bug 699299 Panic in close(). (jgrimm)
+Patch 698437 frametest for TCP-style sockets. (samudrala)
+Patch 698877 Receiver SWS prevention. (jgrimm)
+Patch 689872 Nagle-like support for SCTP. (ardelle.fan)
+Patch 694884 accept() support for TCP-style sockets. (samudrala)
+NA Bug fix from mailing list (Norbert Kiesel)
+Patch 689872 SCTP_NODELAY testcases (ardelle.fan)
+
+lksctp-2_5_63-0_6_6:
+NA Update to 2.5.63 kernel. (samudrala)
+Patch 692590 Add set/getsockopt SET_PEER_PRIMARY_ADDR (jgrimm)
+Bug 601470 Fix PF_INET sockets advertise v6 support bug (jgrimm)
+NA Fix testframe for non-SMP build (jgrimm)
+Bug 688408 Fix testcases for v4 only configurations (jgrimm)
+Patch 677351 Add getsockopt for DEFAULT_SEND_PARAM (ardelle.fan)
+Patch 689446 Renege for "fills gap" case. (jgrimm)
+Bug 611888 Round-robin retransmit path updates. (samudrala)
+NA Update to 2.5.61 kernel. (samudrala)
+NA Update to 2.5.60 kernel. (samudrala)
+Bug 649355 v6 source address selection support. (samudrala)
+Patch 680361 Add testcase for partial data delivery. (jgrimm)
+Patch 677351 SET_DEFAULT_SEND_PARAM setsockopt. (ardelle.fan)
+Patch 681914 Skinny up ulpevent and support sinfo_cumtsn (jgrimm)
+Patch 685246 Partial Data Delivery. (jgrimm).
+Patch 683736 Override primary destination with MSG_ADDR_OVER (ardelle.fan)
+Patch 630124 SCTP snmp mib statistics update/display support. (samudrala)
+Patch 686131 Move duplicate TSN tracking to tsnmap & cleanup (jgrimm)
+NA C99 struct initializer cleanup. (Art Haas)
+
+lksctp-2_5_59-0_6_5:
+Patch 674359 Handling for Invalid Stream in INIT & missing cookie. (jgrimm)
+Patch 676473 Add v6 scoping testcases. (jgrimm)
+Bug 677107 af->dst_saddr doesn't fill in the port (samudrala)
+Patch 676468 Cleanup of assoc bind addr list initialization (samudrala)
+Patch 678481 Large Message Fragmentation support (jgrimm)
+Bug 679839 Kconfig can emit bad config of ipv6=m, sctp=y (jgrimm)
+
+lksctp-2_5_59-0_6_4:
+Patch 673715 Fix to update rwnd on partial reads. (samudrala)
+Patch 673678 Minor fixes to overlapping init. (jgrimm)
+Patch 673309 Minor fixes to icmp error handler. (samudrala)
+Bug 672878 Free chunks in rtx & control queues on teardown.(samudrala)
+Patch 672759 Advisory marker as 'unsafe' for unload. (jgrimm)
+Patch 671916 Heartbeat timer during shutdown fixes (jgrimm)
+Patch 670970 Path mtu support for v4 addresses. (samudrala)
+NA Update to 2.5.59 kernel. (samudrala)
+Patch 667038 Add heartbeat jitter (ardelle.fan)
+Patch 670020 Remove hardcoded stream limits (jgrimm)
+NA Update to 2.5.56 kernel. (samudrala)
+Patch 662296 Handle ip re-assembled non-linear skb's (samudrala)
+Patch 663633 get/free paddrs and laddrs support (ardelle.fan)
+Bug 664112 Retransmitting already gap-acked TSNs (jgrimm)
+NA Update to 2.5.53 kernel. (samudrala)
+Bug 667037 ft_frame_rwnd_receiver fail with v4 only (ardelle.fan)
+
+lksctp-2_5_52-0_6_3:
+NA Update to 2.5.52 kernel. (samudrala)
+Patch 652802 Window update SACK support. (samudrala)
+Patch 651063 Fixes for compiler issues with gcc 3.2 (samudrala)
+Patch 649819 Notifier registration for v6 addr events. (samudrala)
+Patch 638235 Stale cookie support. (ardelle.fan)
+Patch 648103 v6 source address selection support. (samudrala)
+Bug 645067 memcpy in sctp_sendmsg() may copy too much. (samudrala)
+NA Update to 2.5.50 kernel. (samudrala)
+Patch 644936 SCTP_INITMSG socket option. (samudrala)
+NA Update to 2.5.49 kernel. (samudrala)
+Bug 641066 Bad dereference in sctp_cmd_assoc_failed. (samudrala)
+Patch 639177 MSG_PEEK support for recvmsg(). (samudrala)
+
+lksctp-2_5_47-0_6_2:
+Patch 637943 MSG_EOR support for recvmsg(). (samudrala)
+NA Update to 2.5.47 kernel. (samudrala)
+Patch 636734 v6 autobind (jgrimm)
+Patch 635797 Blocking connect() support. (samudrala)
+Patch 634730 udp-style connect(non-blocking) support. (samudrala)
+NA Update to 2.5.46 kernel. (samudrala)
+Patch 555335 Peer address parameters socket option (ardelle)
+NA Update to 2.5.45 kernel. (samudrala)
+Patch 631750 sctpParam_t cleanup (jgrimm)
+Bug 587078 sctp_process_init() can fail (jgrimm)
+Patch 633338 Handle HOST_NAME_ADDR parm and misc. (jgrimm)
+Patch 625413 sockaddr_storage_t cleanup (jgrimm)
+Patch 635246 short circuit "no route" case (jgrimm)
+Bug 581734 PF_INET6 listen can't receiving v4 addresses (jgrimm)
+
+lksctp-2_5_44-0_6_1:
+Patch 628901 Initial Source address selection support. (samudrala)
+Bug 611930 Lost CWR scenario fix (jgrimm)
+NA 2.5.44 (jgrimm)
+Patch 628333 SNMP MIB infrastructure for SCTP. (nivedita)
+Patch 628318 Checks for tcp-style sockets. (nivedita)
+Bug 547270 Retain the order of retransmission. (daisyc)
+Patch 622919 Handle User initiated ABORT. (ardelle.fan)
+Bug 611927 Bug in the calculation of highest new tsn in sack. (samudrala)
+Bug 611916 Data can end up getting sent ahead of pend. rtx data (jgrimm)
+NA Update to 2.5.43 kernel. (samudrala)
+Bug 623286 SHUTDOWN_COMPLETE has 0 vtag on lost SDC + restart. (samudrala)
+Patch 601756 VTAG checks for ABORT and SHUTDOWN_COMPLETE chunks. (ardelle.fan)
+Patch 619993 Fixes a couple of sctp_peeloff() issues. (samudrala)
+Bug 611919 Fast retranmist should ignore cwnd limit. (daisyc)
+Bug 611840 Restart address needs to check INIT and happen earlier (jgrimm)
+
+lksctp-2_5_41-0_6_0:
+NA Update to 2.5.41 kernel (samudrala)
+Bug 621054 v6 kernel tests pass without IPv6 configured. (daisyc)
+NA Update to 2.5.40 kernel (jgrimm)
+NA Split into user/kernel repositories (inaky, daisyc)
+Bug 611928 Alloc GFP_KERNEL with locks held (jgrimm)
+Bug 602650 Dropping packets > frag_point (jgrimm, samudrala)
+Patch 601367 Handle Unrecognized Parms (daisyc)
+Patch 609744 Add abort and shutdown to sctp_darn (ardelle.fan)
+Bug 604251 Association freed twice (jgrimm)
+Bug 611835 Fix Restart address check (jgrimm)
+
+lksctp-2_5_29-0_5_0:
+Patch 588249 misc. user header file fixes (jgrimm)
+
+lksctp-2_5_29-0_4_99:
+Patch 582166 sctp_peeloff() support. (samudrala)
+Bug 583874 sendmsg/init with bad buf. has leak (jgrimm)
+Patch 581963 Handle select/poll syscalls (daisyc)
+Bug 583798 Need GFP_ATOMIC when BH disabled (samudrala)
+Bug 585351 MSG_UNORDERED not set on fragmented chunks (samudrala)
+Patch 585474 Remove old DEFAULT_STREAM sock opt (jgrimm)
+Bug 585653 Fix V6INADDR_ANY to choose a saddr (jgrimm)
+Bug 585929 more leaks in sendmsg() on error cases. (samudrala)
+Patch 574420 overlapping init/restart (dajiang, jgrimm)
+Bug 581992 zero probe shouldn't error association (samudrala)
+Patch 587986 move to Linux 2.5.29 (samudrala)
+
+lksctp-2_5_24-0_4_12:
+Patch 569943 graceful shutdown of an individual association. (samudrala)
+Patch 572054 move to linux kernel 2.5.24. (samudrala)
+Bug 574069 bugs in fragmentation & reassembly. (samudrala)
+Patch 579301 check for No User Data error and testcase (jgrimm)
+Bug 574071 less strict rwnd check at rcvr (samudrala)
+Patch 579525 SCTP_AUTOCLOSE socket option. (samudrala)
+Patch 575712 modify sctp_darn tool to use select (daisyc)
+NA misc.: cleanup jiffies decl., update docs. (jgrimm)
+Patch 581745 getsockname needs sk->sport (jgrimm)
+Patch 582273 handle DATA while in SHUTDOWN-SENT (jgrimm)
+Bug 581997 sctp_wait_for_sndbuf fault (jgrimm)
+Patch 573958 Overlapping Init testcases (dajiang)
+Patch 582905 misc: remove md5 files. update cause code values (jgrimm)
+
+lksctp-2_5_15-0_4_11:
+Patch 560341 assoc_hash and more locking (jgrimm)
+Bug 541062 local_addr_list not not writer safe (jgrimm)
+Patch 564637 new ep_hash and locking down address list read/writes (jgrimm)
+Patch 565087 protect against timer overfiring (jgrimm)
+Patch 565935 Collapse ep/asoc hash links into common substructure (jgrimm)
+Bug 565868 Ctl-sock (OOTB) traps sending to ipv6 dest. (jgrimm)
+Bug 565878 Xmit to wrong peer when no asoc. (jgrimm)
+Patch 565686 Update RTO upon Heartbeat ACK. (samudrala)
+Patch 567028 Cleanup unneeded atomic_t fields (jgrimm)
+Patch 567061 Some sctp-socket-04.txt updates (jgrimm)
+Patch 567646 Combine sctp_func_t/sctp_af_specific_t (jgrimm)
+Patch 568562 Sysctl support for RFC 2960 variables (jgrimm)
+Patch 567514 SCTP_SET_EVENTS sock options (samudrala)
+Patch 567492 block/non-block send and SNDBUF/RCVBUF (daisyc)
+
+lksctp-2_5_15-0_4_10:
+Patch 561757 congestion control, handle SACKs indicating renege (samudrala)
+Patch 561632 v4 scoping rules (daisyc)
+lksctp-2_5_15-0_4_9:
+Patch 554705 Locking phase 1 (off the BH, use socklock and backlog) (jgrimm)
+Bug 550363 Shutdown handling of CTSN incorrect (jgrimm)
+Patch 558565 testframe ipv4 only, doesn't compile (samudrala)
+Patch 556572 Fix INADDR_ANY and some IPv4 scoping (daisyc)
+Patch 559801 Cleanup old locking stuff and various naming/style (jgrimm)
+
+lksctp-2_5_15-0_4_8:
+Patch 557034 Port to 2.5.15 (samudrala)
+Patch 550903 sys_bindx removal (inaky, samudrala)
+
+lksctp-2_4_18-0_4_8:
+Patch 546328 sctp_transport cleanup (jgrimm)
+Bug 545852 sk->err cleanup (samudrala)
+Bug 547147 association leaks the inqueue->in_progress chunk (jgrimm)
+Bug 541065 fix port_rover race conditition in bind path (jgrimm)
+Patch 544577 heartbeat ack and failover (dajiang)
+NA Make lksctp a module (inaky)
+NA bindx over sockopt (inaky)
+Patch 547885 Split out v6 code and cleanup module patch (jgrimm)
+Patch 544583 ft_frame_hbACK updates (dajiang, huang)
+Patch 547340 fix testframe for "run once" (samudrala)
+Patch 548772 sctp_lock primitives (jgrimm)
+Patch 547319 naming cleanup in statefuns (daisyc)
+Patch 549266 sctp_lock unittests (jgrimm)
+Patch 548815 Disable fragments option and more tests. (samudrala)
+Patch 550400 Add OOTB testcase (daisyc)
+Patch 550520 transport & association error thresholds (samudrala)
+NA fix ft_frame_init_timer to not conflict with OOTB (jgrimm)
+Patch 549356 Small fixes and cleanup of bindx code (inaky)
+Patch 549360 bindx through sockopt (inaky)
+Patch 551716 Start using sctp_opts field instead of endpoint (jgrimm)
+Patch 551657 RTT Measurements and RTO updates (samudrala)
+Patch 552084 sctp_endpoint_common (jgrimm)
+Patch 553100 Testcase for RTT Measurements (samudrala)
+Bug 553329 Sendmsg + INIT CMSG has path which can corrupt assoc (jgrimm)
+Patch 553394 Move sctp_association to use endpoint_common (jgrimm)
+Patch 553528 rtx and heartbeat failures cleanup (samudrala)
+Patch 553844 OOTB packet processing (daisyc)
+
+lksctp-2_4_18-0_4_7:
+Bug 541198 Old-style retval->state races with CMD (jgrimm)
+Patch 541820 listen auto-bind support (samudrala)
+Patch 543421 Complete removal of retval structs/processing (jgrimm)
+Patch 544908 Object Count Debugging facilities (jgrimm)
+Patch 544806 Fix inqueue leak of chunks (daisyc)
+Patch 544460 Fragmentation/Reassembly support (samudrala)
+
+lksctp-2_4_18-0_4_6:
+Patch 529522 Primary Addr from saddr (jgrimm, daisyc, hui_huang)
+Patch 529530 Use skb_copy_datagram_iovec (samudrala)
+Patch 529961 sctphdr, PARAM constants in net order (jgrimm)
+Patch 529707 Changes to sctp_make_data* interfaces (samudrala)
+Patch 531206 Massive linux/sctp.h changes (jgrimm)
+Patch NA Eliminate sctp_io.h (jgrimm)
+Patch 532575 sctp_opt as a per socket structure (jgrimm)
+Patch 532245 Patch to eliminate tcp_func dependency (samudrala)
+Patch 533351 Update headers to Socket Extensions 03 draft (jgrimm)
+Patch 531647 Initialize MTU from routing information (samudrala)
+Patch NA Update csum I-D. (jgrimm)
+Patch 529783 Send heartbeats (dajiang, hui_huang)
+Bug 529726 SACK response sent to incorrect dest (jgrimm)
+Patch NA More cleanup, mostly naming, dead field removal. (jgrimm)
+Bug 539452 sk->err should have errno as positive value (jgrimm).
+
+lksctp-2_4_18-0_4_5:
+Bug 513536 association lookup can fail (jgrimm)
+NA Unused file/header cleanup (jgrimm)
+NA Move sctp_socket() to testframe (jgrimm)
+Patch 524687 Stop byteswapping the rcv skb part 1 (daisyc)
+Patch 525009 Stop byteswapping the rcv skb part 2 (daisyc)
+NA Change CRC32C per Connectathon (jgrimm)
+Patch 526505 Change crc code to skip checksum field (jgrimm)
+Patch 526177 Incorrect use of skb->end (samudrala)
+Patch 526740 Missing bindx support (samudrala)
+NA A few sctp_darn fixes (jgrimm)
+NA updatelinux_sctp.sh to handle links (loretos)
+Patch 513912 Invalid stream verification (daisyc)
+Patch 528541 ABORT handling during initiation phase (jgrimm)
+Patch 528679 Misc. Cleanup. (jgrimm)
+Patch 528611 Fix testframe skb for fraglist support (samudrala)
+Patch 526156 SCTP_STATUS sockopt (samudrala)
+
+
+lksctp-2_4_17_0-4_4:
+
+Patch 515054 INIT retransmission (jgrimm)
+Patch 511394 Invalid StreamId tests (daisyc)
+ README suggestions (baqaqi)
+Bug 519410 test_kernel spinlock initialization (sridhar)
+Patch 520992 Enable COOKIE-ECHO bundling (jgrimm)
+Patch 520627 Fix autobind twice bug (daisyc)
+Patch 520755 A couple bugs from Debug Memory Allocations (sridhar)
+Patch 521216 Fix bind_addrs_to_raw calling kmalloc(GFP_KERNL) on int. (jgrimm)
+
+lksctp-2_4_17-0_4_3:
+New Update to 2.4.17 (sridhar)
+Patch 512680 Frame test bindx for IPv6 (hui)
+Patch 510317 Failing testcase for source addr bug (daisyc)
+
+lksctp-2_4_1-0_4_3:
+Patch 511028 New CRC32C (dinakarjb)
+Patch 510797 Sendmsg w/associd (jgrimm)
+Patch 499262 Testcase for stream negotiation (daisyc)
+Bug 473322 Sendmsg insists on msg_name (jgrimm)
+
+
+If you would like to follow the day-to-day development of the SCTP
+kernel, refer to:
+
+ http://lists.sourceforge.net/lists/listinfo/lksctp-developers
+
+Post messages for the developers (including bug reports) to
+
+ lksctp-developers@lists.sourceforge.net
+
+If you wish to participate in development, please subscribe to the
+developers' list, drop a note to lksctp-developers.
+
--- /dev/null
+ HOW TO COMPILE, RUN AND INSTALL
+ -------------------------------
+
+CONTENTS
+--------
+
+The lksctp-tools package is intended for two audiences.
+ 1) SCTP application developers
+ 2) LKSCTP project developers
+
+For SCTP application developers, this package provides the user-level
+C language header files and a library for accessing SCTP specific
+application programming interfaces not provided by the standard sockets.
+
+For LKSCTP project developers, this package provides the functional
+and API regression tests.
+
+For either role, this project provides sample code, utilities, and
+tests that one may find useful.
+
+The below INSTALL directions are provided with in each of these roles.
+
+NOTE: To build, run and install the lksctp-tools package, your system is
+required to be running with linux-2.5.36, or a later version of the
+kernel, configured with the Network options "SCTP Configuration"
+support enabled.
+
+______________________________________________________________________
+
+
+INSTALLATION
+-------------
+Prerequisite: A Linux kernel with SCTP support. This may come stock with
+your distrbution (some day), or you will need to build your own 2.5.36 or
+later kernel.
+
+To install/build the lksctp-tools utilities/tests do the following:
+
+1) Download and install the following binary RPMs from the lksctp sourceforge
+ website at
+ http://sourceforge.net/project/showfiles.php?group_id=26529
+ * lksctp-tools-x.y.z-1.i386.rpm
+ * lksctp-tools-x.y.z-devel-1.i386.rpm
+ * lksctp-tools-x.y.z-doc-1.i386.rpm
+
+ lksctp-tools-x.y.z-1.i386.rpm includes
+ * SCTP run-time library.
+ * Sample SCTP applications: sctp_darn and sctp_test.
+ * withsctp: a tool when used with existing TCP binaries replaces TCP
+ with SCTP.
+
+ lksctp-tools-x.y.z-devel-1.i386.rpm includes
+ * SCTP header file /usr/include/netinet/sctp.h
+ * SCTP man pages.
+ * Source code for sample SCTP applications.
+
+ lksctp-tools-x.y.z-doc-1.i386.rpm includes
+ * SCTP RFC's and internet drafts.
+
+ If you want to run and play with the included sample SCTP applications or
+ develop your own SCTP applications, you can skip the rest of the
+ instructions.
+
+ If you are interested in running the functional regression tests included
+ in the lksctp-tools package, continue with the following instructions.
+
+2) Download and install the following source RPM form the lksctp sourceforge
+ website at
+ http://sourceforge.net/project/showfiles.php?group_id=26529
+ * lksctp-tools-x.y.z-1.src.rpm
+ This will install the lksctp-tools gzipped tarball and RPM spec file.
+
+3) Untar the lksctp-tools directory from the gzipped tarball. This creates a
+ subdirectory called lksctp-tools-x.y.z.
+
+ Ensure you have autoconf, automake and libtool packages installed on your
+ system.
+
+4) Run ./bootstrap
+
+5) Run ./configure
+
+6) Run make
+
+7) To run the SCTP kernel regression tests,
+
+ $ cd src/func_tests
+ $ make v4test (regression tests for the IPv4 socket support)
+ $ make v6test (regression tests for the IPv6 socket support)
+
+8) Run other SCTP test tools/applications in src/apps directory to verify the
+ running SCTP.
--- /dev/null
+include $(top_srcdir)/Makefile.vars
+include $(top_srcdir)/Makefile.rules
+
+DISTCLEANFILES += config.h stamp-h libtool
+MAINTAINERCLEANFILES += aclocal.m4 config.h.in configure stamp-h.in \
+ config.h stamp-h
+
+EXTRA_DIST += ChangeLog AUTHORS COPYING COPYING.lib INSTALL \
+ README ROADMAP NEWS \
+ Makefile.vars Makefile.rules Makefile.dirs
+
+# bin or src products may be required to generate stuff in test/
+SUBDIRS = man bin src doc
+
+# Libtool support
+LIBTOOL_DEPS = @LIBTOOL_DEPS@
+libtool: $(LIBTOOL_DEPS)
+ $(SHELL) ./config.status --recheck
+
+## FIXME: Your stuff here
--- /dev/null
+# -*-makefile-*-
+#
+# Define here directories you want
+
+rootbindir = /bin
+rootsbindir = /sbin
+rootlibdir = /lib
+
+localedir = $(datadir)/locale
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+pkgdocdir = $(datadir)/@PACKAGE@
+
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+vpkgdatadir = $(pkgdatadir)/v@VERSION@
+vpkglibdir = $(pkglibdir)/v@VERSION@
+vpkgdocdir = $(docdir)/v@VERSION@
+
+# List here all the directories you want listed in the file to be used
+# in your programs:
+
+directories := \
+ localedir \
+ pkgsysconfdir \
+ rootbindir \
+ rootlibdir \
+ rootsbindir \
+ vpkgdatadir \
+ vpkgdocdir \
+ vpkglibdir \
+ vpkgsysconfdir \
+ \
+ bindir \
+ datadir \
+ libdir \
+ pkgdatadir \
+ pkgdocdir \
+ pkglibdir \
+ sbindir
+
+# To modify this target for another language, just copy, paste and
+# modify the target to generate directories.h. We depend on
+# config.status and Makefile.dirs, as anything changed is going to be
+# reflected there.
+
+# This is for generating the list in C/C++
+directories.h: $(top_builddir)/config.status $(top_srcdir)/Makefile.dirs
+ @rm -f $@
+ @echo -n "Creating $@ ..."
+ @echo "#ifndef __$(subst .,_,$@)__" > $@
+ @echo "# define __$(subst .,_,$@)__" >> $@
+ @echo "" >> $@
+ @echo -e $(foreach v,$(directories),$(shell echo 'D_$(v) \"$($v)\"\\n')) \
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+ @echo "#endif" >> $@
+ @echo " done"
+
+DISTCLEANFILES += directories.h
+MAINTAINERCLEANFILES += directories.h
+
+## FIXME: Your stuff here
--- /dev/null
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# -*-makefile-*-
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+MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.h.in configure \
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+CLEANFILES =
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+ ROADMAP NEWS Makefile.vars Makefile.rules Makefile.dirs
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+ENSCRIPTBIN = @ENSCRIPTBIN@
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+ -e "s|\@bindir\@|$(bindir)|" \
+ -e "s|\@libdir\@|$(libdir)|" \
+ -e "s|\@PACKAGE\@|$(PACKAGE)|"
+
+
+# bin or src products may be required to generate stuff in test/
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+all: config.h
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+
+.SUFFIXES:
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+# -*-makefile-*-
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+ $(COMPILE) -E -c $^ -o $@
+
+.PRECIOUS: %.i
+%.ci: %.i
+ -grep -v -e "^#" -e "^ *$$" $^ | indent > $@
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+libtool: $(LIBTOOL_DEPS)
+ $(SHELL) ./config.status --recheck
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
--- /dev/null
+# -*-makefile-*-
+#
+# Generate pre-parsed C code.
+%.i: %.c
+ $(COMPILE) -E -c $^ -o $@
+
+.PRECIOUS: %.i
+%.ci: %.i
+ -grep -v -e "^#" -e "^ *$$" $^ | indent > $@
+ mv -f $@ $^
+
+
+## FIXME: Your stuff here
+
+edit = @sed \
+ -e "s|\@bindir\@|$(bindir)|" \
+ -e "s|\@libdir\@|$(libdir)|" \
+ -e "s|\@PACKAGE\@|$(PACKAGE)|"
--- /dev/null
+# -*-makefile-*-
+#
+# type: deep, strictness: gnu
+
+MAINTAINERCLEANFILES = Makefile.in
+DISTCLEANFILES = \\\#*\\\# Makefile
+CLEANFILES =
+MOSTLYCLEANFILES = *~ *.[aios] *.bak *.ci *.io
+
+EXTRA_DIST =
+
+LATEX = @LATEX@
+DVIPS = @DVIPS@
+DVIPDFM = @DVIPDFM@
+ENSCRIPTBIN = @ENSCRIPTBIN@
+PS2PDF = @PS2PDF@
+
+## FIXME: Your stuff here
--- /dev/null
+
+The Linux Kernel SCTP Reference Implementation release 0.5.0 is included in
+Linux 2.5 Kernel release 2.5.34 and up.
+
+From release 0.6.0 and on, we will adopt the new build and installation
+process for lksctp users and developers. Please check the INSTALL and
+ROADMAP for more details.
+
--- /dev/null
+(C) Copyright 2007 Hewlett-Packard Development Company, L.P.
+(C) Copyright IBM Corp. 2001, 2003
+Copyright 2001 Motorola, Cisco, Intel, Nokia, La Monte Yarroll.
+Copyright 2002 Nokia, La Monte Yarroll, Intel.
+
+This is the lksctp-tools package for Linux Kernel SCTP Reference
+Implementation.
+
+This package is intended to supplement the Linux Kernel SCTP
+Reference Implementation now available in the Linux kernel source
+tree in versions 2.5.36 and following. For more information on LKSCTP
+see the below section titled "LKSCTP - Linux Kernel SCTP."
+
+lksctp-tools
+____________
+
+The lksctp-tools package is intended for two audiences.
+ 1) SCTP application developers
+ 2) LKSCTP project developers
+
+For SCTP application developers, this package provides the user-level
+C language header files and a library for accessing SCTP specific
+application programming interfaces not provided by the standard sockets.
+
+For LKSCTP project developers, this package provides the API
+regression and functional tests. Developers should also check
+lksctp_tests package that provides low level kernel tests. These
+are available from git.kernel.org.
+
+For either role, this project provides sample code, utilities, and
+tests that one may find useful.
+
+
+LKSCTP - Linux Kernel SCTP
+__________________________
+
+The Linux Kernel SCTP Reference Implementation is free software; you
+can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation;
+either version 2, or (at your option) any later version. For more
+information on licensing terms, please see the file COPYING in this
+directory.
+
+SCTP (Stream Control Transmission Protocol) is a message oriented,
+reliable transport protocol, with congestion control, support for
+transparent multi-homing, and multiple ordered streams of messages.
+RFC2960 defines the core protocol. The IETF SIGTRAN Working Group
+developed SCTP. The primary architects are Randy Stewart and Qiaobing
+Xie.
+
+The Kernel Reference is first and foremost an exposition of
+RFC2960 and related documents. You will find that the comments and
+variable names tie closely back to the RFC and Internet Drafts.
+
+This work was started by a small team of developers at Motorola.
+Throughout this document, "we" refers to that team. We intend for the
+meaning of "we" to expand to include the whole development community,
+all 27 million programmers on the planet.
+
+The Kernel Reference has loose origins in the SCTP User Space Reference
+by Randy Stewart and Qiaobing Xie.
+
+MANIFEST
+--------
+.
+|-- bin
+|-- doc
+|-- man
+|-- src
+ |-- apps
+ |-- func_tests
+ |-- include
+ | `-- netinet
+ |-- lib
+ |-- testlib
+ `-- withsctp
+
+You may want to check the following files:
+
+COPYING.lib Licensing terms of libsctp
+COPYING Licensing terms of other pieces of the package
+ROADMAP A tour around the files in the distribution of SCTP-tools.
+INSTALL How to install and run this beast.
+ChangeLog What has changed since the last release?
+
+DESIGN GOALS
+------------
+
+- A primary design goal is to reflect RFC 2960 as closely as
+practical. We have changed many names from the user space reference to
+follow the draft as closely as possible. We have also included
+extensive quotes from the draft adjacent to the code which implements
+them.
+
+- The other primary design goal is to integrate Linux kernel data
+structures and idioms as much as possible. The test framework (in
+directory test/) provides many of the functions which would otherwise
+come from the kernel. The test frame does use libc features, but the
+state machine code should be libc-free.
+
+- A lesser design goal is to completely describe the actions for each
+state transition in an sctp_command_t (see sctp_command.h). This
+means that the state functions (sctp_state_fn_t in sctp_sm.h) are NOT
+allowed to modify their endpoint, association, or chunk arguments.
+This is enforced by const modifiers--please respect the compiler
+warnings. All actions must be described in the last argument to the
+state function.
+
+- A byte order convention for dealing with the SCTP chunk headers:
+all SCTP chunks, regardless if the chunk is to be sent outbound
+to the network or was received inbound from the network, the header portion
+of the chunk is ALWAYS created and retained in the NETWORK BYTE ORDER.
+
+- An error code handling convention is to return negative values internally.
+The sk->err field holds a positive valued errno values, so will need our
+internal values negated.
+
+- We are moving toward an XP development model. So far we have
+adopted pair-programming, coding-to-test (functional and unit), design
+through refactoring, and story-based planning.
+
+In order to make XP work, it is very important that we have a complete
+set of tests for the code. We can not safely refactor major parts of
+the code without a way to find the things we break. If you decide to
+extend the SCTP Kernel Implementation we ask that you do the following:
+
+ 1) Pick an XP story. Tell lksctp-developers@lists.sourceforge.net
+ 2) Write a functional test for that XP story. The functional
+ test defines "DONE" for the story.
+ 3) Submit the functional test as a patch on SourceForge.
+ 4) Write unit tests for any new "objects" you define.
+ 5) Implement your feature.
+ 6) Submit the feature and the unit tests as a separate
+ SourceForge patch.
+
+Look in src/func_tests and in lksctp-tests package for examples of of tests.
+Please do not submit code that fails its own tests or any of the unit tests.
+If it fails a functional test, please document that with the submission.
+
+Another XP requirement is to code only what is you need to make the
+current test work. Where this means omitting required features, we
+have put in prominent BUG comments describing the omitted
+functionality.
+
+FEATURES
+--------
+This implementation uses a fairly compact cookie which is isolated in
+its own substructure of SCTP_association. We have been moving toward
+aggregating data elements which need to travel together to minimize
+copying of individual elements in favour of more efficient structure
+copies.
+
+You will find what we believe to be the smallest possible Internet
+simulator in the middle of the function test_kernel.c:simulate_internet().
+The simulator makes a few simplifying assumptions...
+
+MAILING LISTS and WEB SITES
+---------------------------
+http://www.sourceforge.net/projects/lksctp
+
+ This is the lksctp project webpage.
+
+lksctp-developers@lists.sourceforge.net
+
+ This is the discussion list for developers. Join this list if
+ you are interested in following the day-to-day activities of
+ the SCTP Kernel Reference Implementation development community.
+ See subscription directions at:
+ http://lists.sourceforge.net/lists/listinfo/lksctp-developers
+
+http://www.sctp.org
+
+ This is Randy Stewart's SCTP web site.
+
+http://sctp.de
+
+ This is Michael Tuexen's SCTP web site. Michael has collected
+ dozens of documents related to SCTP.
--- /dev/null
+TOUR
+----
+COPYING.lib Licensing terms of libsctp
+
+COPYING Licensing terms of other pieces of the package
+
+README Read this before developing.
+
+ChangeLog What has changed since the last release?
+
+AUTHORS Developers name list.
+
+INSTALL How to build and install this package.
+
+doc/ All the relevant Internet Drafts and RFC's.
+
+doc/states.txt This is a detailed state table for SCTP. It makes a
+ pretty good index for RFC2960 too...
+
+man/ SCTP man pages
+
+src/ Implementation of the user space library, include files -
+ this should go, some day, into glibc - as well as a set
+ of SCTP test tools and test programs.
+
+src/apps SCTP test applications.
+
+src/func_tests SCTP functional tests.
+
+src/lib Sources for SCTP library libsctp.a.
+
+src/testlib Sources for SCTP test library libsctputil.a.
+
+src/include/netinet
+ Header files needed for user space development.
+
+bin/ Scripts for lksctp build, installation and execution.
+
+test/ Testframe functional and unit tests. These tests use a
+ framework which enables running lksctp code in userspace.
+
+test/linux/include
+ This include heirarchy includes special versions of
+ kernel include files needed by the user-space test
+ frame.
--- /dev/null
+# generated automatically by aclocal 1.9.6 -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+# 2005 Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
+
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+test -z "$AS" && AS=as
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
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+test -z "$DLLTOOL" && DLLTOOL=dlltool
+test -z "$LD" && LD=ld
+test -z "$LN_S" && LN_S="ln -s"
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+test -z "$NM" && NM=nm
+test -z "$SED" && SED=sed
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+test -z "$RANLIB" && RANLIB=:
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+test -z "$ac_objext" && ac_objext=o
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+# Determine commands to create old-style static archives.
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+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+ case $host_os in
+ openbsd*)
+ old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
+ ;;
+ *)
+ old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
+ ;;
+ esac
+ old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
+fi
+
+_LT_CC_BASENAME([$compiler])
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+# Only perform the check for file, if the check method requires it
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+
+
+# _LT_AC_SYS_COMPILER
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+# If no C compiler was specified, use CC.
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+
+# Allow CC to be a program name with arguments.
+compiler=$CC
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+
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+ \-*) ;;
+ *) break;;
+ esac
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+
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+AC_DEFUN([_LT_COMPILER_BOILERPLATE],
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+$rm conftest*
+])# _LT_COMPILER_BOILERPLATE
+
+
+# _LT_LINKER_BOILERPLATE
+# ----------------------
+# Check for linker boilerplate output or warnings with
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+AC_DEFUN([_LT_LINKER_BOILERPLATE],
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+$rm -r conftest*
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+
+# _LT_REQUIRED_DARWIN_CHECKS
+# --------------------------
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+AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS],[
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+ rhapsody* | darwin*)
+ AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:])
+ AC_CHECK_TOOL([NMEDIT], [nmedit], [:])
+
+ AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod],
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+ rhapsody* | darwin1.[[0123]])
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+ darwin1.*)
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+ darwin*)
+ # if running on 10.5 or later, the deployment target defaults
+ # to the OS version, if on x86, and 10.4, the deployment
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+# ----------------------
+# Links a minimal program and checks the executable
+# for the system default hardcoded library path. In most cases,
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+AC_DIVERT_POP
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+
+
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+ cat <<EOF
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+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+if test -z "$ECHO"; then
+if test "X${echo_test_string+set}" != Xset; then
+# find a string as large as possible, as long as the shell can cope with it
+ for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do
+ # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
+ if (echo_test_string=`eval $cmd`) 2>/dev/null &&
+ echo_test_string=`eval $cmd` &&
+ (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null
+ then
+ break
+ fi
+ done
+fi
+
+if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
+ echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
+ test "X$echo_testing_string" = "X$echo_test_string"; then
+ :
+else
+ # The Solaris, AIX, and Digital Unix default echo programs unquote
+ # backslashes. This makes it impossible to quote backslashes using
+ # echo "$something" | sed 's/\\/\\\\/g'
+ #
+ # So, first we look for a working echo in the user's PATH.
+
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ for dir in $PATH /usr/ucb; do
+ IFS="$lt_save_ifs"
+ if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
+ test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
+ echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
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+ echo="$dir/echo"
+ break
+ fi
+ done
+ IFS="$lt_save_ifs"
+
+ if test "X$echo" = Xecho; then
+ # We didn't find a better echo, so look for alternatives.
+ if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
+ echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` &&
+ test "X$echo_testing_string" = "X$echo_test_string"; then
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+ echo='print -r'
+ elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
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+ export ORIGINAL_CONFIG_SHELL
+ CONFIG_SHELL=/bin/ksh
+ export CONFIG_SHELL
+ exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}
+ else
+ # Try using printf.
+ echo='printf %s\n'
+ if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
+ echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
+ test "X$echo_testing_string" = "X$echo_test_string"; then
+ # Cool, printf works
+ :
+ elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
+ test "X$echo_testing_string" = 'X\t' &&
+ echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
+ test "X$echo_testing_string" = "X$echo_test_string"; then
+ CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
+ export CONFIG_SHELL
+ SHELL="$CONFIG_SHELL"
+ export SHELL
+ echo="$CONFIG_SHELL [$]0 --fallback-echo"
+ elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
+ test "X$echo_testing_string" = 'X\t' &&
+ echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
+ test "X$echo_testing_string" = "X$echo_test_string"; then
+ echo="$CONFIG_SHELL [$]0 --fallback-echo"
+ else
+ # maybe with a smaller string...
+ prev=:
+
+ for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do
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+ then
+ break
+ fi
+ prev="$cmd"
+ done
+
+ if test "$prev" != 'sed 50q "[$]0"'; then
+ echo_test_string=`eval $prev`
+ export echo_test_string
+ exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}
+ else
+ # Oops. We lost completely, so just stick with echo.
+ echo=echo
+ fi
+ fi
+ fi
+ fi
+fi
+fi
+
+# Copy echo and quote the copy suitably for passing to libtool from
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+ECHO=$echo
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+
+AC_SUBST(ECHO)
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+[AC_ARG_ENABLE([libtool-lock],
+ [AC_HELP_STRING([--disable-libtool-lock],
+ [avoid locking (might break parallel builds)])])
+test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+ # Find out which ABI we are using.
+ echo 'int i;' > conftest.$ac_ext
+ if AC_TRY_EVAL(ac_compile); then
+ case `/usr/bin/file conftest.$ac_objext` in
+ *ELF-32*)
+ HPUX_IA64_MODE="32"
+ ;;
+ *ELF-64*)
+ HPUX_IA64_MODE="64"
+ ;;
+ esac
+ fi
+ rm -rf conftest*
+ ;;
+*-*-irix6*)
+ # Find out which ABI we are using.
+ echo '[#]line __oline__ "configure"' > conftest.$ac_ext
+ if AC_TRY_EVAL(ac_compile); then
+ if test "$lt_cv_prog_gnu_ld" = yes; then
+ case `/usr/bin/file conftest.$ac_objext` in
+ *32-bit*)
+ LD="${LD-ld} -melf32bsmip"
+ ;;
+ *N32*)
+ LD="${LD-ld} -melf32bmipn32"
+ ;;
+ *64-bit*)
+ LD="${LD-ld} -melf64bmip"
+ ;;
+ esac
+ else
+ case `/usr/bin/file conftest.$ac_objext` in
+ *32-bit*)
+ LD="${LD-ld} -32"
+ ;;
+ *N32*)
+ LD="${LD-ld} -n32"
+ ;;
+ *64-bit*)
+ LD="${LD-ld} -64"
+ ;;
+ esac
+ fi
+ fi
+ rm -rf conftest*
+ ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
+s390*-*linux*|sparc*-*linux*)
+ # Find out which ABI we are using.
+ echo 'int i;' > conftest.$ac_ext
+ if AC_TRY_EVAL(ac_compile); then
+ case `/usr/bin/file conftest.o` in
+ *32-bit*)
+ case $host in
+ x86_64-*kfreebsd*-gnu)
+ LD="${LD-ld} -m elf_i386_fbsd"
+ ;;
+ x86_64-*linux*)
+ LD="${LD-ld} -m elf_i386"
+ ;;
+ ppc64-*linux*|powerpc64-*linux*)
+ LD="${LD-ld} -m elf32ppclinux"
+ ;;
+ s390x-*linux*)
+ LD="${LD-ld} -m elf_s390"
+ ;;
+ sparc64-*linux*)
+ LD="${LD-ld} -m elf32_sparc"
+ ;;
+ esac
+ ;;
+ *64-bit*)
+ case $host in
+ x86_64-*kfreebsd*-gnu)
+ LD="${LD-ld} -m elf_x86_64_fbsd"
+ ;;
+ x86_64-*linux*)
+ LD="${LD-ld} -m elf_x86_64"
+ ;;
+ ppc*-*linux*|powerpc*-*linux*)
+ LD="${LD-ld} -m elf64ppc"
+ ;;
+ s390*-*linux*)
+ LD="${LD-ld} -m elf64_s390"
+ ;;
+ sparc*-*linux*)
+ LD="${LD-ld} -m elf64_sparc"
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ rm -rf conftest*
+ ;;
+
+*-*-sco3.2v5*)
+ # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+ SAVE_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -belf"
+ AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
+ [AC_LANG_PUSH(C)
+ AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
+ AC_LANG_POP])
+ if test x"$lt_cv_cc_needs_belf" != x"yes"; then
+ # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+ CFLAGS="$SAVE_CFLAGS"
+ fi
+ ;;
+sparc*-*solaris*)
+ # Find out which ABI we are using.
+ echo 'int i;' > conftest.$ac_ext
+ if AC_TRY_EVAL(ac_compile); then
+ case `/usr/bin/file conftest.o` in
+ *64-bit*)
+ case $lt_cv_prog_gnu_ld in
+ yes*) LD="${LD-ld} -m elf64_sparc" ;;
+ *)
+ if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+ LD="${LD-ld} -64"
+ fi
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ rm -rf conftest*
+ ;;
+
+AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],
+[*-*-cygwin* | *-*-mingw* | *-*-pw32*)
+ AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+ AC_CHECK_TOOL(AS, as, false)
+ AC_CHECK_TOOL(OBJDUMP, objdump, false)
+ ;;
+ ])
+esac
+
+need_locks="$enable_libtool_lock"
+
+])# _LT_AC_LOCK
+
+
+# AC_LIBTOOL_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+# [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------------------
+# Check whether the given compiler option works
+AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION],
+[AC_REQUIRE([LT_AC_PROG_SED])
+AC_CACHE_CHECK([$1], [$2],
+ [$2=no
+ ifelse([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+ lt_compiler_flag="$3"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ # The option is referenced via a variable to avoid confusing sed.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+ (eval "$lt_compile" 2>conftest.err)
+ ac_status=$?
+ cat conftest.err >&AS_MESSAGE_LOG_FD
+ echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+ if (exit $ac_status) && test -s "$ac_outfile"; then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings other than the usual output.
+ $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+ $2=yes
+ fi
+ fi
+ $rm conftest*
+])
+
+if test x"[$]$2" = xyes; then
+ ifelse([$5], , :, [$5])
+else
+ ifelse([$6], , :, [$6])
+fi
+])# AC_LIBTOOL_COMPILER_OPTION
+
+
+# AC_LIBTOOL_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+# [ACTION-SUCCESS], [ACTION-FAILURE])
+# ------------------------------------------------------------
+# Check whether the given compiler option works
+AC_DEFUN([AC_LIBTOOL_LINKER_OPTION],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+ [$2=no
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $3"
+ echo "$lt_simple_link_test_code" > conftest.$ac_ext
+ if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+ # The linker can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ if test -s conftest.err; then
+ # Append any errors to the config.log.
+ cat conftest.err 1>&AS_MESSAGE_LOG_FD
+ $echo "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if diff conftest.exp conftest.er2 >/dev/null; then
+ $2=yes
+ fi
+ else
+ $2=yes
+ fi
+ fi
+ $rm -r conftest*
+ LDFLAGS="$save_LDFLAGS"
+])
+
+if test x"[$]$2" = xyes; then
+ ifelse([$4], , :, [$4])
+else
+ ifelse([$5], , :, [$5])
+fi
+])# AC_LIBTOOL_LINKER_OPTION
+
+
+# AC_LIBTOOL_SYS_MAX_CMD_LEN
+# --------------------------
+AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN],
+[# find the maximum length of command line arguments
+AC_MSG_CHECKING([the maximum length of command line arguments])
+AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
+ i=0
+ teststring="ABCD"
+
+ case $build_os in
+ msdosdjgpp*)
+ # On DJGPP, this test can blow up pretty badly due to problems in libc
+ # (any single argument exceeding 2000 bytes causes a buffer overrun
+ # during glob expansion). Even if it were fixed, the result of this
+ # check would be larger than it should be.
+ lt_cv_sys_max_cmd_len=12288; # 12K is about right
+ ;;
+
+ gnu*)
+ # Under GNU Hurd, this test is not required because there is
+ # no limit to the length of command line arguments.
+ # Libtool will interpret -1 as no limit whatsoever
+ lt_cv_sys_max_cmd_len=-1;
+ ;;
+
+ cygwin* | mingw*)
+ # On Win9x/ME, this test blows up -- it succeeds, but takes
+ # about 5 minutes as the teststring grows exponentially.
+ # Worse, since 9x/ME are not pre-emptively multitasking,
+ # you end up with a "frozen" computer, even though with patience
+ # the test eventually succeeds (with a max line length of 256k).
+ # Instead, let's just punt: use the minimum linelength reported by
+ # all of the supported platforms: 8192 (on NT/2K/XP).
+ lt_cv_sys_max_cmd_len=8192;
+ ;;
+
+ amigaos*)
+ # On AmigaOS with pdksh, this test takes hours, literally.
+ # So we just punt and use a minimum line length of 8192.
+ lt_cv_sys_max_cmd_len=8192;
+ ;;
+
+ netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
+ # This has been around since 386BSD, at least. Likely further.
+ if test -x /sbin/sysctl; then
+ lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+ elif test -x /usr/sbin/sysctl; then
+ lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+ else
+ lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs
+ fi
+ # And add a safety zone
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+ ;;
+
+ interix*)
+ # We know the value 262144 and hardcode it with a safety zone (like BSD)
+ lt_cv_sys_max_cmd_len=196608
+ ;;
+
+ osf*)
+ # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+ # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+ # nice to cause kernel panics so lets avoid the loop below.
+ # First set a reasonable default.
+ lt_cv_sys_max_cmd_len=16384
+ #
+ if test -x /sbin/sysconfig; then
+ case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+ *1*) lt_cv_sys_max_cmd_len=-1 ;;
+ esac
+ fi
+ ;;
+ sco3.2v5*)
+ lt_cv_sys_max_cmd_len=102400
+ ;;
+ sysv5* | sco5v6* | sysv4.2uw2*)
+ kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+ if test -n "$kargmax"; then
+ lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ ]]//'`
+ else
+ lt_cv_sys_max_cmd_len=32768
+ fi
+ ;;
+ *)
+ lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+ if test -n "$lt_cv_sys_max_cmd_len"; then
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+ else
+ SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+ while (test "X"`$SHELL [$]0 --fallback-echo "X$teststring" 2>/dev/null` \
+ = "XX$teststring") >/dev/null 2>&1 &&
+ new_result=`expr "X$teststring" : ".*" 2>&1` &&
+ lt_cv_sys_max_cmd_len=$new_result &&
+ test $i != 17 # 1/2 MB should be enough
+ do
+ i=`expr $i + 1`
+ teststring=$teststring$teststring
+ done
+ teststring=
+ # Add a significant safety factor because C++ compilers can tack on massive
+ # amounts of additional arguments before passing them to the linker.
+ # It appears as though 1/2 is a usable value.
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+ fi
+ ;;
+ esac
+])
+if test -n $lt_cv_sys_max_cmd_len ; then
+ AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
+else
+ AC_MSG_RESULT(none)
+fi
+])# AC_LIBTOOL_SYS_MAX_CMD_LEN
+
+
+# _LT_AC_CHECK_DLFCN
+# ------------------
+AC_DEFUN([_LT_AC_CHECK_DLFCN],
+[AC_CHECK_HEADERS(dlfcn.h)dnl
+])# _LT_AC_CHECK_DLFCN
+
+
+# _LT_AC_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
+# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
+# ---------------------------------------------------------------------
+AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF],
+[AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
+if test "$cross_compiling" = yes; then :
+ [$4]
+else
+ lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+ lt_status=$lt_dlunknown
+ cat > conftest.$ac_ext <<EOF
+[#line __oline__ "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+# define LT_DLGLOBAL RTLD_GLOBAL
+#else
+# ifdef DL_GLOBAL
+# define LT_DLGLOBAL DL_GLOBAL
+# else
+# define LT_DLGLOBAL 0
+# endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+ find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+# ifdef RTLD_LAZY
+# define LT_DLLAZY_OR_NOW RTLD_LAZY
+# else
+# ifdef DL_LAZY
+# define LT_DLLAZY_OR_NOW DL_LAZY
+# else
+# ifdef RTLD_NOW
+# define LT_DLLAZY_OR_NOW RTLD_NOW
+# else
+# ifdef DL_NOW
+# define LT_DLLAZY_OR_NOW DL_NOW
+# else
+# define LT_DLLAZY_OR_NOW 0
+# endif
+# endif
+# endif
+# endif
+#endif
+
+#ifdef __cplusplus
+extern "C" void exit (int);
+#endif
+
+void fnord() { int i=42;}
+int main ()
+{
+ void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+ int status = $lt_dlunknown;
+
+ if (self)
+ {
+ if (dlsym (self,"fnord")) status = $lt_dlno_uscore;
+ else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
+ /* dlclose (self); */
+ }
+ else
+ puts (dlerror ());
+
+ exit (status);
+}]
+EOF
+ if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
+ (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
+ lt_status=$?
+ case x$lt_status in
+ x$lt_dlno_uscore) $1 ;;
+ x$lt_dlneed_uscore) $2 ;;
+ x$lt_dlunknown|x*) $3 ;;
+ esac
+ else :
+ # compilation failed
+ $3
+ fi
+fi
+rm -fr conftest*
+])# _LT_AC_TRY_DLOPEN_SELF
+
+
+# AC_LIBTOOL_DLOPEN_SELF
+# ----------------------
+AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF],
+[AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
+if test "x$enable_dlopen" != xyes; then
+ enable_dlopen=unknown
+ enable_dlopen_self=unknown
+ enable_dlopen_self_static=unknown
+else
+ lt_cv_dlopen=no
+ lt_cv_dlopen_libs=
+
+ case $host_os in
+ beos*)
+ lt_cv_dlopen="load_add_on"
+ lt_cv_dlopen_libs=
+ lt_cv_dlopen_self=yes
+ ;;
+
+ mingw* | pw32*)
+ lt_cv_dlopen="LoadLibrary"
+ lt_cv_dlopen_libs=
+ ;;
+
+ cygwin*)
+ lt_cv_dlopen="dlopen"
+ lt_cv_dlopen_libs=
+ ;;
+
+ darwin*)
+ # if libdl is installed we need to link against it
+ AC_CHECK_LIB([dl], [dlopen],
+ [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[
+ lt_cv_dlopen="dyld"
+ lt_cv_dlopen_libs=
+ lt_cv_dlopen_self=yes
+ ])
+ ;;
+
+ *)
+ AC_CHECK_FUNC([shl_load],
+ [lt_cv_dlopen="shl_load"],
+ [AC_CHECK_LIB([dld], [shl_load],
+ [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"],
+ [AC_CHECK_FUNC([dlopen],
+ [lt_cv_dlopen="dlopen"],
+ [AC_CHECK_LIB([dl], [dlopen],
+ [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],
+ [AC_CHECK_LIB([svld], [dlopen],
+ [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"],
+ [AC_CHECK_LIB([dld], [dld_link],
+ [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"])
+ ])
+ ])
+ ])
+ ])
+ ])
+ ;;
+ esac
+
+ if test "x$lt_cv_dlopen" != xno; then
+ enable_dlopen=yes
+ else
+ enable_dlopen=no
+ fi
+
+ case $lt_cv_dlopen in
+ dlopen)
+ save_CPPFLAGS="$CPPFLAGS"
+ test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+ save_LDFLAGS="$LDFLAGS"
+ wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+ save_LIBS="$LIBS"
+ LIBS="$lt_cv_dlopen_libs $LIBS"
+
+ AC_CACHE_CHECK([whether a program can dlopen itself],
+ lt_cv_dlopen_self, [dnl
+ _LT_AC_TRY_DLOPEN_SELF(
+ lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
+ lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
+ ])
+
+ if test "x$lt_cv_dlopen_self" = xyes; then
+ wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+ AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
+ lt_cv_dlopen_self_static, [dnl
+ _LT_AC_TRY_DLOPEN_SELF(
+ lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
+ lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross)
+ ])
+ fi
+
+ CPPFLAGS="$save_CPPFLAGS"
+ LDFLAGS="$save_LDFLAGS"
+ LIBS="$save_LIBS"
+ ;;
+ esac
+
+ case $lt_cv_dlopen_self in
+ yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+ *) enable_dlopen_self=unknown ;;
+ esac
+
+ case $lt_cv_dlopen_self_static in
+ yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+ *) enable_dlopen_self_static=unknown ;;
+ esac
+fi
+])# AC_LIBTOOL_DLOPEN_SELF
+
+
+# AC_LIBTOOL_PROG_CC_C_O([TAGNAME])
+# ---------------------------------
+# Check to see if options -c and -o are simultaneously supported by compiler
+AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
+AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
+ [_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
+ [_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
+ $rm -r conftest 2>/dev/null
+ mkdir conftest
+ cd conftest
+ mkdir out
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ lt_compiler_flag="-o out/conftest2.$ac_objext"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+ (eval "$lt_compile" 2>out/conftest.err)
+ ac_status=$?
+ cat out/conftest.err >&AS_MESSAGE_LOG_FD
+ echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+ if (exit $ac_status) && test -s out/conftest2.$ac_objext
+ then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+ $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+ if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+ _LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+ fi
+ fi
+ chmod u+w . 2>&AS_MESSAGE_LOG_FD
+ $rm conftest*
+ # SGI C++ compiler will create directory out/ii_files/ for
+ # template instantiation
+ test -d out/ii_files && $rm out/ii_files/* && rmdir out/ii_files
+ $rm out/* && rmdir out
+ cd ..
+ rmdir conftest
+ $rm conftest*
+])
+])# AC_LIBTOOL_PROG_CC_C_O
+
+
+# AC_LIBTOOL_SYS_HARD_LINK_LOCKS([TAGNAME])
+# -----------------------------------------
+# Check to see if we can do hard links to lock some files if needed
+AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS],
+[AC_REQUIRE([_LT_AC_LOCK])dnl
+
+hard_links="nottested"
+if test "$_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then
+ # do not overwrite the value of need_locks provided by the user
+ AC_MSG_CHECKING([if we can lock with hard links])
+ hard_links=yes
+ $rm conftest*
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ touch conftest.a
+ ln conftest.a conftest.b 2>&5 || hard_links=no
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ AC_MSG_RESULT([$hard_links])
+ if test "$hard_links" = no; then
+ AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe])
+ need_locks=warn
+ fi
+else
+ need_locks=no
+fi
+])# AC_LIBTOOL_SYS_HARD_LINK_LOCKS
+
+
+# AC_LIBTOOL_OBJDIR
+# -----------------
+AC_DEFUN([AC_LIBTOOL_OBJDIR],
+[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
+[rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+ lt_cv_objdir=.libs
+else
+ # MS-DOS does not allow filenames that begin with a dot.
+ lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null])
+objdir=$lt_cv_objdir
+])# AC_LIBTOOL_OBJDIR
+
+
+# AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH([TAGNAME])
+# ----------------------------------------------
+# Check hardcoding attributes.
+AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH],
+[AC_MSG_CHECKING([how to hardcode library paths into programs])
+_LT_AC_TAGVAR(hardcode_action, $1)=
+if test -n "$_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)" || \
+ test -n "$_LT_AC_TAGVAR(runpath_var, $1)" || \
+ test "X$_LT_AC_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then
+
+ # We can hardcode non-existant directories.
+ if test "$_LT_AC_TAGVAR(hardcode_direct, $1)" != no &&
+ # If the only mechanism to avoid hardcoding is shlibpath_var, we
+ # have to relink, otherwise we might link with an installed library
+ # when we should be linking with a yet-to-be-installed one
+ ## test "$_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)" != no &&
+ test "$_LT_AC_TAGVAR(hardcode_minus_L, $1)" != no; then
+ # Linking always hardcodes the temporary library directory.
+ _LT_AC_TAGVAR(hardcode_action, $1)=relink
+ else
+ # We can link without hardcoding, and we can hardcode nonexisting dirs.
+ _LT_AC_TAGVAR(hardcode_action, $1)=immediate
+ fi
+else
+ # We cannot hardcode anything, or else we can only hardcode existing
+ # directories.
+ _LT_AC_TAGVAR(hardcode_action, $1)=unsupported
+fi
+AC_MSG_RESULT([$_LT_AC_TAGVAR(hardcode_action, $1)])
+
+if test "$_LT_AC_TAGVAR(hardcode_action, $1)" = relink; then
+ # Fast installation is not supported
+ enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+ test "$enable_shared" = no; then
+ # Fast installation is not necessary
+ enable_fast_install=needless
+fi
+])# AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH
+
+
+# AC_LIBTOOL_SYS_LIB_STRIP
+# ------------------------
+AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP],
+[striplib=
+old_striplib=
+AC_MSG_CHECKING([whether stripping libraries is possible])
+if test -n "$STRIP" && $STRIP -V 2>&1 | grep "GNU strip" >/dev/null; then
+ test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
+ test -z "$striplib" && striplib="$STRIP --strip-unneeded"
+ AC_MSG_RESULT([yes])
+else
+# FIXME - insert some real tests, host_os isn't really good enough
+ case $host_os in
+ darwin*)
+ if test -n "$STRIP" ; then
+ striplib="$STRIP -x"
+ old_striplib="$STRIP -S"
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+fi
+ ;;
+ *)
+ AC_MSG_RESULT([no])
+ ;;
+ esac
+fi
+])# AC_LIBTOOL_SYS_LIB_STRIP
+
+
+# AC_LIBTOOL_SYS_DYNAMIC_LINKER
+# -----------------------------
+# PORTME Fill in your ld.so characteristics
+AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_MSG_CHECKING([dynamic linker characteristics])
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+m4_if($1,[],[
+if test "$GCC" = yes; then
+ case $host_os in
+ darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
+ *) lt_awk_arg="/^libraries:/" ;;
+ esac
+ lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+ if echo "$lt_search_path_spec" | grep ';' >/dev/null ; then
+ # if the path contains ";" then we assume it to be the separator
+ # otherwise default to the standard path separator (i.e. ":") - it is
+ # assumed that no part of a normal pathname contains ";" but that should
+ # okay in the real world where ";" in dirpaths is itself problematic.
+ lt_search_path_spec=`echo "$lt_search_path_spec" | $SED -e 's/;/ /g'`
+ else
+ lt_search_path_spec=`echo "$lt_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+ fi
+ # Ok, now we have the path, separated by spaces, we can step through it
+ # and add multilib dir if necessary.
+ lt_tmp_lt_search_path_spec=
+ lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+ for lt_sys_path in $lt_search_path_spec; do
+ if test -d "$lt_sys_path/$lt_multi_os_dir"; then
+ lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
+ else
+ test -d "$lt_sys_path" && \
+ lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+ fi
+ done
+ lt_search_path_spec=`echo $lt_tmp_lt_search_path_spec | awk '
+BEGIN {RS=" "; FS="/|\n";} {
+ lt_foo="";
+ lt_count=0;
+ for (lt_i = NF; lt_i > 0; lt_i--) {
+ if ($lt_i != "" && $lt_i != ".") {
+ if ($lt_i == "..") {
+ lt_count++;
+ } else {
+ if (lt_count == 0) {
+ lt_foo="/" $lt_i lt_foo;
+ } else {
+ lt_count--;
+ }
+ }
+ }
+ }
+ if (lt_foo != "") { lt_freq[[lt_foo]]++; }
+ if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
+}'`
+ sys_lib_search_path_spec=`echo $lt_search_path_spec`
+else
+ sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi])
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+ shlibpath_var=LIBPATH
+
+ # AIX 3 has no versioning support, so we append a major version to the name.
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+
+aix[[4-9]]*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ hardcode_into_libs=yes
+ if test "$host_cpu" = ia64; then
+ # AIX 5 supports IA64
+ library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ else
+ # With GCC up to 2.95.x, collect2 would create an import file
+ # for dependence libraries. The import file would start with
+ # the line `#! .'. This would cause the generated library to
+ # depend on `.', always an invalid library. This was fixed in
+ # development snapshots of GCC prior to 3.0.
+ case $host_os in
+ aix4 | aix4.[[01]] | aix4.[[01]].*)
+ if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+ echo ' yes '
+ echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then
+ :
+ else
+ can_build_shared=no
+ fi
+ ;;
+ esac
+ # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+ # soname into executable. Probably we can add versioning support to
+ # collect2, so additional links can be useful in future.
+ if test "$aix_use_runtimelinking" = yes; then
+ # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+ # instead of lib<name>.a to let people know that these are not
+ # typical AIX shared libraries.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ else
+ # We preserve .a as extension for shared libraries through AIX4.2
+ # and later when we are not doing run time linking.
+ library_names_spec='${libname}${release}.a $libname.a'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ fi
+ shlibpath_var=LIBPATH
+ fi
+ ;;
+
+amigaos*)
+ library_names_spec='$libname.ixlibrary $libname.a'
+ # Create ${libname}_ixlibrary.a entries in /sys/libs.
+ finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+ ;;
+
+beos*)
+ library_names_spec='${libname}${shared_ext}'
+ dynamic_linker="$host_os ld.so"
+ shlibpath_var=LIBRARY_PATH
+ ;;
+
+bsdi[[45]]*)
+ version_type=linux
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+ sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+ # the default ld.so.conf also contains /usr/contrib/lib and
+ # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+ # libtool to hard-code these into programs
+ ;;
+
+cygwin* | mingw* | pw32*)
+ version_type=windows
+ shrext_cmds=".dll"
+ need_version=no
+ need_lib_prefix=no
+
+ case $GCC,$host_os in
+ yes,cygwin* | yes,mingw* | yes,pw32*)
+ library_names_spec='$libname.dll.a'
+ # DLL is installed to $(libdir)/../bin by postinstall_cmds
+ postinstall_cmds='base_file=`basename \${file}`~
+ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i;echo \$dlname'\''`~
+ dldir=$destdir/`dirname \$dlpath`~
+ test -d \$dldir || mkdir -p \$dldir~
+ $install_prog $dir/$dlname \$dldir/$dlname~
+ chmod a+x \$dldir/$dlname'
+ postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+ dlpath=$dir/\$dldll~
+ $rm \$dlpath'
+ shlibpath_overrides_runpath=yes
+
+ case $host_os in
+ cygwin*)
+ # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+ soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+ sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
+ ;;
+ mingw*)
+ # MinGW DLLs use traditional 'lib' prefix
+ soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+ sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+ if echo "$sys_lib_search_path_spec" | [grep ';[c-zC-Z]:/' >/dev/null]; then
+ # It is most probably a Windows format PATH printed by
+ # mingw gcc, but we are running on Cygwin. Gcc prints its search
+ # path with ; separators, and with drive letters. We can handle the
+ # drive letters (cygwin fileutils understands them), so leave them,
+ # especially as we might pass files found there to a mingw objdump,
+ # which wouldn't understand a cygwinified path. Ahh.
+ sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+ else
+ sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+ fi
+ ;;
+ pw32*)
+ # pw32 DLLs use 'pw' prefix rather than 'lib'
+ library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+ ;;
+ esac
+ ;;
+
+ *)
+ library_names_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib'
+ ;;
+ esac
+ dynamic_linker='Win32 ld.exe'
+ # FIXME: first we should search . and the directory the executable is in
+ shlibpath_var=PATH
+ ;;
+
+darwin* | rhapsody*)
+ dynamic_linker="$host_os dyld"
+ version_type=darwin
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${versuffix}$shared_ext ${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+ soname_spec='${libname}${release}${major}$shared_ext'
+ shlibpath_overrides_runpath=yes
+ shlibpath_var=DYLD_LIBRARY_PATH
+ shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+ m4_if([$1], [],[
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"])
+ sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+ ;;
+
+dgux*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+freebsd1*)
+ dynamic_linker=no
+ ;;
+
+freebsd* | dragonfly*)
+ # DragonFly does not have aout. When/if they implement a new
+ # versioning mechanism, adjust this.
+ if test -x /usr/bin/objformat; then
+ objformat=`/usr/bin/objformat`
+ else
+ case $host_os in
+ freebsd[[123]]*) objformat=aout ;;
+ *) objformat=elf ;;
+ esac
+ fi
+ version_type=freebsd-$objformat
+ case $version_type in
+ freebsd-elf*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ need_version=no
+ need_lib_prefix=no
+ ;;
+ freebsd-*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+ need_version=yes
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_os in
+ freebsd2*)
+ shlibpath_overrides_runpath=yes
+ ;;
+ freebsd3.[[01]]* | freebsdelf3.[[01]]*)
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \
+ freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1)
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+ *) # from 4.6 on, and DragonFly
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ esac
+ ;;
+
+gnu*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ hardcode_into_libs=yes
+ ;;
+
+hpux9* | hpux10* | hpux11*)
+ # Give a soname corresponding to the major version so that dld.sl refuses to
+ # link against other versions.
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ case $host_cpu in
+ ia64*)
+ shrext_cmds='.so'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.so"
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ if test "X$HPUX_IA64_MODE" = X32; then
+ sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+ else
+ sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+ fi
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ hppa*64*)
+ shrext_cmds='.sl'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ *)
+ shrext_cmds='.sl'
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=SHLIB_PATH
+ shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+ esac
+ # HP-UX runs *really* slowly unless shared libraries are mode 555.
+ postinstall_cmds='chmod 555 $lib'
+ ;;
+
+interix[[3-9]]*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+
+irix5* | irix6* | nonstopux*)
+ case $host_os in
+ nonstopux*) version_type=nonstopux ;;
+ *)
+ if test "$lt_cv_prog_gnu_ld" = yes; then
+ version_type=linux
+ else
+ version_type=irix
+ fi ;;
+ esac
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+ case $host_os in
+ irix5* | nonstopux*)
+ libsuff= shlibsuff=
+ ;;
+ *)
+ case $LD in # libtool.m4 will add one of these switches to LD
+ *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+ libsuff= shlibsuff= libmagic=32-bit;;
+ *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+ libsuff=32 shlibsuff=N32 libmagic=N32;;
+ *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+ libsuff=64 shlibsuff=64 libmagic=64-bit;;
+ *) libsuff= shlibsuff= libmagic=never-match;;
+ esac
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+ sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+ hardcode_into_libs=yes
+ ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+ dynamic_linker=no
+ ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ # This implies no fast_install, which is unacceptable.
+ # Some rework will be needed to allow for fast_install
+ # before this can be enabled.
+ hardcode_into_libs=yes
+
+ # Append ld.so.conf contents to the search path
+ if test -f /etc/ld.so.conf; then
+ lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
+ sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+ fi
+
+ # We used to test for /lib/ld.so.1 and disable shared libraries on
+ # powerpc, because MkLinux only supported shared libraries with the
+ # GNU dynamic linker. Since this was broken with cross compilers,
+ # most powerpc-linux boxes support dynamic linking these days and
+ # people can always --disable-shared, the test was removed, and we
+ # assume the GNU/Linux dynamic linker is in use.
+ dynamic_linker='GNU/Linux ld.so'
+ ;;
+
+netbsdelf*-gnu)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ dynamic_linker='NetBSD ld.elf_so'
+ ;;
+
+netbsd*)
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ dynamic_linker='NetBSD (a.out) ld.so'
+ else
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='NetBSD ld.elf_so'
+ fi
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+
+newsos6)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ ;;
+
+nto-qnx*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ ;;
+
+openbsd*)
+ version_type=sunos
+ sys_lib_dlsearch_path_spec="/usr/lib"
+ need_lib_prefix=no
+ # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+ case $host_os in
+ openbsd3.3 | openbsd3.3.*) need_version=yes ;;
+ *) need_version=no ;;
+ esac
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ case $host_os in
+ openbsd2.[[89]] | openbsd2.[[89]].*)
+ shlibpath_overrides_runpath=no
+ ;;
+ *)
+ shlibpath_overrides_runpath=yes
+ ;;
+ esac
+ else
+ shlibpath_overrides_runpath=yes
+ fi
+ ;;
+
+os2*)
+ libname_spec='$name'
+ shrext_cmds=".dll"
+ need_lib_prefix=no
+ library_names_spec='$libname${shared_ext} $libname.a'
+ dynamic_linker='OS/2 ld.exe'
+ shlibpath_var=LIBPATH
+ ;;
+
+osf3* | osf4* | osf5*)
+ version_type=osf
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+ sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+ ;;
+
+rdos*)
+ dynamic_linker=no
+ ;;
+
+solaris*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ # ldd complains unless libraries are executable
+ postinstall_cmds='chmod +x $lib'
+ ;;
+
+sunos4*)
+ version_type=sunos
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ if test "$with_gnu_ld" = yes; then
+ need_lib_prefix=no
+ fi
+ need_version=yes
+ ;;
+
+sysv4 | sysv4.3*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_vendor in
+ sni)
+ shlibpath_overrides_runpath=no
+ need_lib_prefix=no
+ export_dynamic_flag_spec='${wl}-Blargedynsym'
+ runpath_var=LD_RUN_PATH
+ ;;
+ siemens)
+ need_lib_prefix=no
+ ;;
+ motorola)
+ need_lib_prefix=no
+ need_version=no
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+ ;;
+ esac
+ ;;
+
+sysv4*MP*)
+ if test -d /usr/nec ;then
+ version_type=linux
+ library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+ soname_spec='$libname${shared_ext}.$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ fi
+ ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+ version_type=freebsd-elf
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ hardcode_into_libs=yes
+ if test "$with_gnu_ld" = yes; then
+ sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+ shlibpath_overrides_runpath=no
+ else
+ sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+ shlibpath_overrides_runpath=yes
+ case $host_os in
+ sco3.2v5*)
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+ ;;
+ esac
+ fi
+ sys_lib_dlsearch_path_spec='/usr/lib'
+ ;;
+
+uts4*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+*)
+ dynamic_linker=no
+ ;;
+esac
+AC_MSG_RESULT([$dynamic_linker])
+test "$dynamic_linker" = no && can_build_shared=no
+
+AC_CACHE_VAL([lt_cv_sys_lib_search_path_spec],
+[lt_cv_sys_lib_search_path_spec="$sys_lib_search_path_spec"])
+sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+AC_CACHE_VAL([lt_cv_sys_lib_dlsearch_path_spec],
+[lt_cv_sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec"])
+sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+ variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+])# AC_LIBTOOL_SYS_DYNAMIC_LINKER
+
+
+# _LT_AC_TAGCONFIG
+# ----------------
+AC_DEFUN([_LT_AC_TAGCONFIG],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_ARG_WITH([tags],
+ [AC_HELP_STRING([--with-tags@<:@=TAGS@:>@],
+ [include additional configurations @<:@automatic@:>@])],
+ [tagnames="$withval"])
+
+if test -f "$ltmain" && test -n "$tagnames"; then
+ if test ! -f "${ofile}"; then
+ AC_MSG_WARN([output file `$ofile' does not exist])
+ fi
+
+ if test -z "$LTCC"; then
+ eval "`$SHELL ${ofile} --config | grep '^LTCC='`"
+ if test -z "$LTCC"; then
+ AC_MSG_WARN([output file `$ofile' does not look like a libtool script])
+ else
+ AC_MSG_WARN([using `LTCC=$LTCC', extracted from `$ofile'])
+ fi
+ fi
+ if test -z "$LTCFLAGS"; then
+ eval "`$SHELL ${ofile} --config | grep '^LTCFLAGS='`"
+ fi
+
+ # Extract list of available tagged configurations in $ofile.
+ # Note that this assumes the entire list is on one line.
+ available_tags=`grep "^available_tags=" "${ofile}" | $SED -e 's/available_tags=\(.*$\)/\1/' -e 's/\"//g'`
+
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for tagname in $tagnames; do
+ IFS="$lt_save_ifs"
+ # Check whether tagname contains only valid characters
+ case `$echo "X$tagname" | $Xsed -e 's:[[-_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890,/]]::g'` in
+ "") ;;
+ *) AC_MSG_ERROR([invalid tag name: $tagname])
+ ;;
+ esac
+
+ if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "${ofile}" > /dev/null
+ then
+ AC_MSG_ERROR([tag name \"$tagname\" already exists])
+ fi
+
+ # Update the list of available tags.
+ if test -n "$tagname"; then
+ echo appending configuration tag \"$tagname\" to $ofile
+
+ case $tagname in
+ CXX)
+ if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
+ ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
+ (test "X$CXX" != "Xg++"))) ; then
+ AC_LIBTOOL_LANG_CXX_CONFIG
+ else
+ tagname=""
+ fi
+ ;;
+
+ F77)
+ if test -n "$F77" && test "X$F77" != "Xno"; then
+ AC_LIBTOOL_LANG_F77_CONFIG
+ else
+ tagname=""
+ fi
+ ;;
+
+ GCJ)
+ if test -n "$GCJ" && test "X$GCJ" != "Xno"; then
+ AC_LIBTOOL_LANG_GCJ_CONFIG
+ else
+ tagname=""
+ fi
+ ;;
+
+ RC)
+ AC_LIBTOOL_LANG_RC_CONFIG
+ ;;
+
+ *)
+ AC_MSG_ERROR([Unsupported tag name: $tagname])
+ ;;
+ esac
+
+ # Append the new tag name to the list of available tags.
+ if test -n "$tagname" ; then
+ available_tags="$available_tags $tagname"
+ fi
+ fi
+ done
+ IFS="$lt_save_ifs"
+
+ # Now substitute the updated list of available tags.
+ if eval "sed -e 's/^available_tags=.*\$/available_tags=\"$available_tags\"/' \"$ofile\" > \"${ofile}T\""; then
+ mv "${ofile}T" "$ofile"
+ chmod +x "$ofile"
+ else
+ rm -f "${ofile}T"
+ AC_MSG_ERROR([unable to update list of available tagged configurations.])
+ fi
+fi
+])# _LT_AC_TAGCONFIG
+
+
+# AC_LIBTOOL_DLOPEN
+# -----------------
+# enable checks for dlopen support
+AC_DEFUN([AC_LIBTOOL_DLOPEN],
+ [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])
+])# AC_LIBTOOL_DLOPEN
+
+
+# AC_LIBTOOL_WIN32_DLL
+# --------------------
+# declare package support for building win32 DLLs
+AC_DEFUN([AC_LIBTOOL_WIN32_DLL],
+[AC_BEFORE([$0], [AC_LIBTOOL_SETUP])
+])# AC_LIBTOOL_WIN32_DLL
+
+
+# AC_ENABLE_SHARED([DEFAULT])
+# ---------------------------
+# implement the --enable-shared flag
+# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
+AC_DEFUN([AC_ENABLE_SHARED],
+[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
+AC_ARG_ENABLE([shared],
+ [AC_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
+ [build shared libraries @<:@default=]AC_ENABLE_SHARED_DEFAULT[@:>@])],
+ [p=${PACKAGE-default}
+ case $enableval in
+ yes) enable_shared=yes ;;
+ no) enable_shared=no ;;
+ *)
+ enable_shared=no
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for pkg in $enableval; do
+ IFS="$lt_save_ifs"
+ if test "X$pkg" = "X$p"; then
+ enable_shared=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac],
+ [enable_shared=]AC_ENABLE_SHARED_DEFAULT)
+])# AC_ENABLE_SHARED
+
+
+# AC_DISABLE_SHARED
+# -----------------
+# set the default shared flag to --disable-shared
+AC_DEFUN([AC_DISABLE_SHARED],
+[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+AC_ENABLE_SHARED(no)
+])# AC_DISABLE_SHARED
+
+
+# AC_ENABLE_STATIC([DEFAULT])
+# ---------------------------
+# implement the --enable-static flag
+# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
+AC_DEFUN([AC_ENABLE_STATIC],
+[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
+AC_ARG_ENABLE([static],
+ [AC_HELP_STRING([--enable-static@<:@=PKGS@:>@],
+ [build static libraries @<:@default=]AC_ENABLE_STATIC_DEFAULT[@:>@])],
+ [p=${PACKAGE-default}
+ case $enableval in
+ yes) enable_static=yes ;;
+ no) enable_static=no ;;
+ *)
+ enable_static=no
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for pkg in $enableval; do
+ IFS="$lt_save_ifs"
+ if test "X$pkg" = "X$p"; then
+ enable_static=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac],
+ [enable_static=]AC_ENABLE_STATIC_DEFAULT)
+])# AC_ENABLE_STATIC
+
+
+# AC_DISABLE_STATIC
+# -----------------
+# set the default static flag to --disable-static
+AC_DEFUN([AC_DISABLE_STATIC],
+[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+AC_ENABLE_STATIC(no)
+])# AC_DISABLE_STATIC
+
+
+# AC_ENABLE_FAST_INSTALL([DEFAULT])
+# ---------------------------------
+# implement the --enable-fast-install flag
+# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
+AC_DEFUN([AC_ENABLE_FAST_INSTALL],
+[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
+AC_ARG_ENABLE([fast-install],
+ [AC_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
+ [optimize for fast installation @<:@default=]AC_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
+ [p=${PACKAGE-default}
+ case $enableval in
+ yes) enable_fast_install=yes ;;
+ no) enable_fast_install=no ;;
+ *)
+ enable_fast_install=no
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for pkg in $enableval; do
+ IFS="$lt_save_ifs"
+ if test "X$pkg" = "X$p"; then
+ enable_fast_install=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac],
+ [enable_fast_install=]AC_ENABLE_FAST_INSTALL_DEFAULT)
+])# AC_ENABLE_FAST_INSTALL
+
+
+# AC_DISABLE_FAST_INSTALL
+# -----------------------
+# set the default to --disable-fast-install
+AC_DEFUN([AC_DISABLE_FAST_INSTALL],
+[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+AC_ENABLE_FAST_INSTALL(no)
+])# AC_DISABLE_FAST_INSTALL
+
+
+# AC_LIBTOOL_PICMODE([MODE])
+# --------------------------
+# implement the --with-pic flag
+# MODE is either `yes' or `no'. If omitted, it defaults to `both'.
+AC_DEFUN([AC_LIBTOOL_PICMODE],
+[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+pic_mode=ifelse($#,1,$1,default)
+])# AC_LIBTOOL_PICMODE
+
+
+# AC_PROG_EGREP
+# -------------
+# This is predefined starting with Autoconf 2.54, so this conditional
+# definition can be removed once we require Autoconf 2.54 or later.
+m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP],
+[AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
+ [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
+ then ac_cv_prog_egrep='grep -E'
+ else ac_cv_prog_egrep='egrep'
+ fi])
+ EGREP=$ac_cv_prog_egrep
+ AC_SUBST([EGREP])
+])])
+
+
+# AC_PATH_TOOL_PREFIX
+# -------------------
+# find a file program which can recognize shared library
+AC_DEFUN([AC_PATH_TOOL_PREFIX],
+[AC_REQUIRE([AC_PROG_EGREP])dnl
+AC_MSG_CHECKING([for $1])
+AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
+[case $MAGIC_CMD in
+[[\\/*] | ?:[\\/]*])
+ lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+ ;;
+*)
+ lt_save_MAGIC_CMD="$MAGIC_CMD"
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+dnl $ac_dummy forces splitting on constant user-supplied paths.
+dnl POSIX.2 word splitting is done only on the output of word expansions,
+dnl not every word. This closes a longstanding sh security hole.
+ ac_dummy="ifelse([$2], , $PATH, [$2])"
+ for ac_dir in $ac_dummy; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ if test -f $ac_dir/$1; then
+ lt_cv_path_MAGIC_CMD="$ac_dir/$1"
+ if test -n "$file_magic_test_file"; then
+ case $deplibs_check_method in
+ "file_magic "*)
+ file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+ MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+ if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+ $EGREP "$file_magic_regex" > /dev/null; then
+ :
+ else
+ cat <<EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such. This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem. Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+EOF
+ fi ;;
+ esac
+ fi
+ break
+ fi
+ done
+ IFS="$lt_save_ifs"
+ MAGIC_CMD="$lt_save_MAGIC_CMD"
+ ;;
+esac])
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+ AC_MSG_RESULT($MAGIC_CMD)
+else
+ AC_MSG_RESULT(no)
+fi
+])# AC_PATH_TOOL_PREFIX
+
+
+# AC_PATH_MAGIC
+# -------------
+# find a file program which can recognize a shared library
+AC_DEFUN([AC_PATH_MAGIC],
+[AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+ if test -n "$ac_tool_prefix"; then
+ AC_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
+ else
+ MAGIC_CMD=:
+ fi
+fi
+])# AC_PATH_MAGIC
+
+
+# AC_PROG_LD
+# ----------
+# find the pathname to the GNU or non-GNU linker
+AC_DEFUN([AC_PROG_LD],
+[AC_ARG_WITH([gnu-ld],
+ [AC_HELP_STRING([--with-gnu-ld],
+ [assume the C compiler uses GNU ld @<:@default=no@:>@])],
+ [test "$withval" = no || with_gnu_ld=yes],
+ [with_gnu_ld=no])
+AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+ac_prog=ld
+if test "$GCC" = yes; then
+ # Check if gcc -print-prog-name=ld gives a path.
+ AC_MSG_CHECKING([for ld used by $CC])
+ case $host in
+ *-*-mingw*)
+ # gcc leaves a trailing carriage return which upsets mingw
+ ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+ *)
+ ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+ esac
+ case $ac_prog in
+ # Accept absolute paths.
+ [[\\/]]* | ?:[[\\/]]*)
+ re_direlt='/[[^/]][[^/]]*/\.\./'
+ # Canonicalize the pathname of ld
+ ac_prog=`echo $ac_prog| $SED 's%\\\\%/%g'`
+ while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+ ac_prog=`echo $ac_prog| $SED "s%$re_direlt%/%"`
+ done
+ test -z "$LD" && LD="$ac_prog"
+ ;;
+ "")
+ # If it fails, then pretend we aren't using GCC.
+ ac_prog=ld
+ ;;
+ *)
+ # If it is relative, then search for the first ld in PATH.
+ with_gnu_ld=unknown
+ ;;
+ esac
+elif test "$with_gnu_ld" = yes; then
+ AC_MSG_CHECKING([for GNU ld])
+else
+ AC_MSG_CHECKING([for non-GNU ld])
+fi
+AC_CACHE_VAL(lt_cv_path_LD,
+[if test -z "$LD"; then
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ for ac_dir in $PATH; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+ lt_cv_path_LD="$ac_dir/$ac_prog"
+ # Check to see if the program is GNU ld. I'd rather use --version,
+ # but apparently some variants of GNU ld only accept -v.
+ # Break only if it was the GNU/non-GNU ld that we prefer.
+ case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+ *GNU* | *'with BFD'*)
+ test "$with_gnu_ld" != no && break
+ ;;
+ *)
+ test "$with_gnu_ld" != yes && break
+ ;;
+ esac
+ fi
+ done
+ IFS="$lt_save_ifs"
+else
+ lt_cv_path_LD="$LD" # Let the user override the test with a path.
+fi])
+LD="$lt_cv_path_LD"
+if test -n "$LD"; then
+ AC_MSG_RESULT($LD)
+else
+ AC_MSG_RESULT(no)
+fi
+test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
+AC_PROG_LD_GNU
+])# AC_PROG_LD
+
+
+# AC_PROG_LD_GNU
+# --------------
+AC_DEFUN([AC_PROG_LD_GNU],
+[AC_REQUIRE([AC_PROG_EGREP])dnl
+AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
+[# I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+ lt_cv_prog_gnu_ld=yes
+ ;;
+*)
+ lt_cv_prog_gnu_ld=no
+ ;;
+esac])
+with_gnu_ld=$lt_cv_prog_gnu_ld
+])# AC_PROG_LD_GNU
+
+
+# AC_PROG_LD_RELOAD_FLAG
+# ----------------------
+# find reload flag for linker
+# -- PORTME Some linkers may need a different reload flag.
+AC_DEFUN([AC_PROG_LD_RELOAD_FLAG],
+[AC_CACHE_CHECK([for $LD option to reload object files],
+ lt_cv_ld_reload_flag,
+ [lt_cv_ld_reload_flag='-r'])
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+ darwin*)
+ if test "$GCC" = yes; then
+ reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
+ else
+ reload_cmds='$LD$reload_flag -o $output$reload_objs'
+ fi
+ ;;
+esac
+])# AC_PROG_LD_RELOAD_FLAG
+
+
+# AC_DEPLIBS_CHECK_METHOD
+# -----------------------
+# how to check for library dependencies
+# -- PORTME fill in with the dynamic library characteristics
+AC_DEFUN([AC_DEPLIBS_CHECK_METHOD],
+[AC_CACHE_CHECK([how to recognize dependent libraries],
+lt_cv_deplibs_check_method,
+[lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# `unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# which responds to the $file_magic_cmd with a given extended regex.
+# If you have `file' or equivalent on your system and you're not sure
+# whether `pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[[4-9]]*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+beos*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+bsdi[[45]]*)
+ lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
+ lt_cv_file_magic_cmd='/usr/bin/file -L'
+ lt_cv_file_magic_test_file=/shlib/libc.so
+ ;;
+
+cygwin*)
+ # func_win32_libid is a shell function defined in ltmain.sh
+ lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+ lt_cv_file_magic_cmd='func_win32_libid'
+ ;;
+
+mingw* | pw32*)
+ # Base MSYS/MinGW do not provide the 'file' command needed by
+ # func_win32_libid shell function, so use a weaker test based on 'objdump',
+ # unless we find 'file', for example because we are cross-compiling.
+ if ( file / ) >/dev/null 2>&1; then
+ lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+ lt_cv_file_magic_cmd='func_win32_libid'
+ else
+ lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
+ lt_cv_file_magic_cmd='$OBJDUMP -f'
+ fi
+ ;;
+
+darwin* | rhapsody*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+freebsd* | dragonfly*)
+ if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
+ case $host_cpu in
+ i*86 )
+ # Not sure whether the presence of OpenBSD here was a mistake.
+ # Let's accept both of them until this is cleared up.
+ lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library'
+ lt_cv_file_magic_cmd=/usr/bin/file
+ lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+ ;;
+ esac
+ else
+ lt_cv_deplibs_check_method=pass_all
+ fi
+ ;;
+
+gnu*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+hpux10.20* | hpux11*)
+ lt_cv_file_magic_cmd=/usr/bin/file
+ case $host_cpu in
+ ia64*)
+ lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64'
+ lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+ ;;
+ hppa*64*)
+ [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - PA-RISC [0-9].[0-9]']
+ lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+ ;;
+ *)
+ lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]].[[0-9]]) shared library'
+ lt_cv_file_magic_test_file=/usr/lib/libc.sl
+ ;;
+ esac
+ ;;
+
+interix[[3-9]]*)
+ # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+ lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$'
+ ;;
+
+irix5* | irix6* | nonstopux*)
+ case $LD in
+ *-32|*"-32 ") libmagic=32-bit;;
+ *-n32|*"-n32 ") libmagic=N32;;
+ *-64|*"-64 ") libmagic=64-bit;;
+ *) libmagic=never-match;;
+ esac
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+netbsd* | netbsdelf*-gnu)
+ if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
+ lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+ else
+ lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$'
+ fi
+ ;;
+
+newos6*)
+ lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)'
+ lt_cv_file_magic_cmd=/usr/bin/file
+ lt_cv_file_magic_test_file=/usr/lib/libnls.so
+ ;;
+
+nto-qnx*)
+ lt_cv_deplibs_check_method=unknown
+ ;;
+
+openbsd*)
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$'
+ else
+ lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+ fi
+ ;;
+
+osf3* | osf4* | osf5*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+rdos*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+solaris*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+sysv4 | sysv4.3*)
+ case $host_vendor in
+ motorola)
+ lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
+ lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+ ;;
+ ncr)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ sequent)
+ lt_cv_file_magic_cmd='/bin/file'
+ lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
+ ;;
+ sni)
+ lt_cv_file_magic_cmd='/bin/file'
+ lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
+ lt_cv_file_magic_test_file=/lib/libc.so
+ ;;
+ siemens)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ pc)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ esac
+ ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+esac
+])
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+])# AC_DEPLIBS_CHECK_METHOD
+
+
+# AC_PROG_NM
+# ----------
+# find the pathname to a BSD-compatible name lister
+AC_DEFUN([AC_PROG_NM],
+[AC_CACHE_CHECK([for BSD-compatible nm], lt_cv_path_NM,
+[if test -n "$NM"; then
+ # Let the user override the test.
+ lt_cv_path_NM="$NM"
+else
+ lt_nm_to_check="${ac_tool_prefix}nm"
+ if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+ lt_nm_to_check="$lt_nm_to_check nm"
+ fi
+ for lt_tmp_nm in $lt_nm_to_check; do
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ tmp_nm="$ac_dir/$lt_tmp_nm"
+ if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
+ # Check to see if the nm accepts a BSD-compat flag.
+ # Adding the `sed 1q' prevents false positives on HP-UX, which says:
+ # nm: unknown option "B" ignored
+ # Tru64's nm complains that /dev/null is an invalid object file
+ case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
+ */dev/null* | *'Invalid file or object type'*)
+ lt_cv_path_NM="$tmp_nm -B"
+ break
+ ;;
+ *)
+ case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
+ */dev/null*)
+ lt_cv_path_NM="$tmp_nm -p"
+ break
+ ;;
+ *)
+ lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+ continue # so that we can try to find one that supports BSD flags
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ done
+ IFS="$lt_save_ifs"
+ done
+ test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm
+fi])
+NM="$lt_cv_path_NM"
+])# AC_PROG_NM
+
+
+# AC_CHECK_LIBM
+# -------------
+# check for math library
+AC_DEFUN([AC_CHECK_LIBM],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+LIBM=
+case $host in
+*-*-beos* | *-*-cygwin* | *-*-pw32* | *-*-darwin*)
+ # These system don't have libm, or don't need it
+ ;;
+*-ncr-sysv4.3*)
+ AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
+ AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
+ ;;
+*)
+ AC_CHECK_LIB(m, cos, LIBM="-lm")
+ ;;
+esac
+])# AC_CHECK_LIBM
+
+
+# AC_LIBLTDL_CONVENIENCE([DIRECTORY])
+# -----------------------------------
+# sets LIBLTDL to the link flags for the libltdl convenience library and
+# LTDLINCL to the include flags for the libltdl header and adds
+# --enable-ltdl-convenience to the configure arguments. Note that
+# AC_CONFIG_SUBDIRS is not called here. If DIRECTORY is not provided,
+# it is assumed to be `libltdl'. LIBLTDL will be prefixed with
+# '${top_builddir}/' and LTDLINCL will be prefixed with '${top_srcdir}/'
+# (note the single quotes!). If your package is not flat and you're not
+# using automake, define top_builddir and top_srcdir appropriately in
+# the Makefiles.
+AC_DEFUN([AC_LIBLTDL_CONVENIENCE],
+[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+ case $enable_ltdl_convenience in
+ no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
+ "") enable_ltdl_convenience=yes
+ ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
+ esac
+ LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
+ LTDLINCL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
+ # For backwards non-gettext consistent compatibility...
+ INCLTDL="$LTDLINCL"
+])# AC_LIBLTDL_CONVENIENCE
+
+
+# AC_LIBLTDL_INSTALLABLE([DIRECTORY])
+# -----------------------------------
+# sets LIBLTDL to the link flags for the libltdl installable library and
+# LTDLINCL to the include flags for the libltdl header and adds
+# --enable-ltdl-install to the configure arguments. Note that
+# AC_CONFIG_SUBDIRS is not called here. If DIRECTORY is not provided,
+# and an installed libltdl is not found, it is assumed to be `libltdl'.
+# LIBLTDL will be prefixed with '${top_builddir}/'# and LTDLINCL with
+# '${top_srcdir}/' (note the single quotes!). If your package is not
+# flat and you're not using automake, define top_builddir and top_srcdir
+# appropriately in the Makefiles.
+# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
+AC_DEFUN([AC_LIBLTDL_INSTALLABLE],
+[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+ AC_CHECK_LIB(ltdl, lt_dlinit,
+ [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
+ [if test x"$enable_ltdl_install" = xno; then
+ AC_MSG_WARN([libltdl not installed, but installation disabled])
+ else
+ enable_ltdl_install=yes
+ fi
+ ])
+ if test x"$enable_ltdl_install" = x"yes"; then
+ ac_configure_args="$ac_configure_args --enable-ltdl-install"
+ LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
+ LTDLINCL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
+ else
+ ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
+ LIBLTDL="-lltdl"
+ LTDLINCL=
+ fi
+ # For backwards non-gettext consistent compatibility...
+ INCLTDL="$LTDLINCL"
+])# AC_LIBLTDL_INSTALLABLE
+
+
+# AC_LIBTOOL_CXX
+# --------------
+# enable support for C++ libraries
+AC_DEFUN([AC_LIBTOOL_CXX],
+[AC_REQUIRE([_LT_AC_LANG_CXX])
+])# AC_LIBTOOL_CXX
+
+
+# _LT_AC_LANG_CXX
+# ---------------
+AC_DEFUN([_LT_AC_LANG_CXX],
+[AC_REQUIRE([AC_PROG_CXX])
+AC_REQUIRE([_LT_AC_PROG_CXXCPP])
+_LT_AC_SHELL_INIT([tagnames=${tagnames+${tagnames},}CXX])
+])# _LT_AC_LANG_CXX
+
+# _LT_AC_PROG_CXXCPP
+# ------------------
+AC_DEFUN([_LT_AC_PROG_CXXCPP],
+[
+AC_REQUIRE([AC_PROG_CXX])
+if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
+ ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
+ (test "X$CXX" != "Xg++"))) ; then
+ AC_PROG_CXXCPP
+fi
+])# _LT_AC_PROG_CXXCPP
+
+# AC_LIBTOOL_F77
+# --------------
+# enable support for Fortran 77 libraries
+AC_DEFUN([AC_LIBTOOL_F77],
+[AC_REQUIRE([_LT_AC_LANG_F77])
+])# AC_LIBTOOL_F77
+
+
+# _LT_AC_LANG_F77
+# ---------------
+AC_DEFUN([_LT_AC_LANG_F77],
+[AC_REQUIRE([AC_PROG_F77])
+_LT_AC_SHELL_INIT([tagnames=${tagnames+${tagnames},}F77])
+])# _LT_AC_LANG_F77
+
+
+# AC_LIBTOOL_GCJ
+# --------------
+# enable support for GCJ libraries
+AC_DEFUN([AC_LIBTOOL_GCJ],
+[AC_REQUIRE([_LT_AC_LANG_GCJ])
+])# AC_LIBTOOL_GCJ
+
+
+# _LT_AC_LANG_GCJ
+# ---------------
+AC_DEFUN([_LT_AC_LANG_GCJ],
+[AC_PROVIDE_IFELSE([AC_PROG_GCJ],[],
+ [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],[],
+ [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],[],
+ [ifdef([AC_PROG_GCJ],[AC_REQUIRE([AC_PROG_GCJ])],
+ [ifdef([A][M_PROG_GCJ],[AC_REQUIRE([A][M_PROG_GCJ])],
+ [AC_REQUIRE([A][C_PROG_GCJ_OR_A][M_PROG_GCJ])])])])])])
+_LT_AC_SHELL_INIT([tagnames=${tagnames+${tagnames},}GCJ])
+])# _LT_AC_LANG_GCJ
+
+
+# AC_LIBTOOL_RC
+# -------------
+# enable support for Windows resource files
+AC_DEFUN([AC_LIBTOOL_RC],
+[AC_REQUIRE([LT_AC_PROG_RC])
+_LT_AC_SHELL_INIT([tagnames=${tagnames+${tagnames},}RC])
+])# AC_LIBTOOL_RC
+
+
+# AC_LIBTOOL_LANG_C_CONFIG
+# ------------------------
+# Ensure that the configuration vars for the C compiler are
+# suitably defined. Those variables are subsequently used by
+# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
+AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG], [_LT_AC_LANG_C_CONFIG])
+AC_DEFUN([_LT_AC_LANG_C_CONFIG],
+[lt_save_CC="$CC"
+AC_LANG_PUSH(C)
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+_LT_AC_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+_LT_AC_SYS_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+AC_LIBTOOL_PROG_COMPILER_NO_RTTI($1)
+AC_LIBTOOL_PROG_COMPILER_PIC($1)
+AC_LIBTOOL_PROG_CC_C_O($1)
+AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
+AC_LIBTOOL_PROG_LD_SHLIBS($1)
+AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
+AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)
+AC_LIBTOOL_SYS_LIB_STRIP
+AC_LIBTOOL_DLOPEN_SELF
+
+# Report which library types will actually be built
+AC_MSG_CHECKING([if libtool supports shared libraries])
+AC_MSG_RESULT([$can_build_shared])
+
+AC_MSG_CHECKING([whether to build shared libraries])
+test "$can_build_shared" = "no" && enable_shared=no
+
+# On AIX, shared libraries and static libraries use the same namespace, and
+# are all built from PIC.
+case $host_os in
+aix3*)
+ test "$enable_shared" = yes && enable_static=no
+ if test -n "$RANLIB"; then
+ archive_cmds="$archive_cmds~\$RANLIB \$lib"
+ postinstall_cmds='$RANLIB $lib'
+ fi
+ ;;
+
+aix[[4-9]]*)
+ if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+ test "$enable_shared" = yes && enable_static=no
+ fi
+ ;;
+esac
+AC_MSG_RESULT([$enable_shared])
+
+AC_MSG_CHECKING([whether to build static libraries])
+# Make sure either enable_shared or enable_static is yes.
+test "$enable_shared" = yes || enable_static=yes
+AC_MSG_RESULT([$enable_static])
+
+AC_LIBTOOL_CONFIG($1)
+
+AC_LANG_POP
+CC="$lt_save_CC"
+])# AC_LIBTOOL_LANG_C_CONFIG
+
+
+# AC_LIBTOOL_LANG_CXX_CONFIG
+# --------------------------
+# Ensure that the configuration vars for the C compiler are
+# suitably defined. Those variables are subsequently used by
+# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
+AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG], [_LT_AC_LANG_CXX_CONFIG(CXX)])
+AC_DEFUN([_LT_AC_LANG_CXX_CONFIG],
+[AC_LANG_PUSH(C++)
+AC_REQUIRE([AC_PROG_CXX])
+AC_REQUIRE([_LT_AC_PROG_CXXCPP])
+
+_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_AC_TAGVAR(allow_undefined_flag, $1)=
+_LT_AC_TAGVAR(always_export_symbols, $1)=no
+_LT_AC_TAGVAR(archive_expsym_cmds, $1)=
+_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_AC_TAGVAR(hardcode_direct, $1)=no
+_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_AC_TAGVAR(hardcode_minus_L, $1)=no
+_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+_LT_AC_TAGVAR(hardcode_automatic, $1)=no
+_LT_AC_TAGVAR(module_cmds, $1)=
+_LT_AC_TAGVAR(module_expsym_cmds, $1)=
+_LT_AC_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_AC_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_AC_TAGVAR(no_undefined_flag, $1)=
+_LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Dependencies to place before and after the object being linked:
+_LT_AC_TAGVAR(predep_objects, $1)=
+_LT_AC_TAGVAR(postdep_objects, $1)=
+_LT_AC_TAGVAR(predeps, $1)=
+_LT_AC_TAGVAR(postdeps, $1)=
+_LT_AC_TAGVAR(compiler_lib_search_path, $1)=
+_LT_AC_TAGVAR(compiler_lib_search_dirs, $1)=
+
+# Source file extension for C++ test sources.
+ac_ext=cpp
+
+# Object file extension for compiled C++ test sources.
+objext=o
+_LT_AC_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_AC_SYS_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_LD=$LD
+lt_save_GCC=$GCC
+GCC=$GXX
+lt_save_with_gnu_ld=$with_gnu_ld
+lt_save_path_LD=$lt_cv_path_LD
+if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
+ lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
+else
+ $as_unset lt_cv_prog_gnu_ld
+fi
+if test -n "${lt_cv_path_LDCXX+set}"; then
+ lt_cv_path_LD=$lt_cv_path_LDCXX
+else
+ $as_unset lt_cv_path_LD
+fi
+test -z "${LDCXX+set}" || LD=$LDCXX
+CC=${CXX-"c++"}
+compiler=$CC
+_LT_AC_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+
+# We don't want -fno-exception wen compiling C++ code, so set the
+# no_builtin_flag separately
+if test "$GXX" = yes; then
+ _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
+else
+ _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+fi
+
+if test "$GXX" = yes; then
+ # Set up default GNU C++ configuration
+
+ AC_PROG_LD
+
+ # Check if GNU C++ uses GNU ld as the underlying linker, since the
+ # archiving commands below assume that GNU ld is being used.
+ if test "$with_gnu_ld" = yes; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+
+ # If archive_cmds runs LD, not CC, wlarc should be empty
+ # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
+ # investigate it a little bit more. (MM)
+ wlarc='${wl}'
+
+ # ancient GNU ld didn't support --whole-archive et. al.
+ if eval "`$CC -print-prog-name=ld` --help 2>&1" | \
+ grep 'no-whole-archive' > /dev/null; then
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+ else
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
+ fi
+ else
+ with_gnu_ld=no
+ wlarc=
+
+ # A generic and very simple default shared library creation
+ # command for GNU C++ for the case where it uses the native
+ # linker, instead of GNU ld. If possible, this setting should
+ # overridden to take advantage of the native linker features on
+ # the platform it is being used on.
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+ fi
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "\-L"'
+
+else
+ GXX=no
+ with_gnu_ld=no
+ wlarc=
+fi
+
+# PORTME: fill in a description of your system's C++ link characteristics
+AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+_LT_AC_TAGVAR(ld_shlibs, $1)=yes
+case $host_os in
+ aix3*)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ aix[[4-9]]*)
+ if test "$host_cpu" = ia64; then
+ # On IA64, the linker does run time linking by default, so we don't
+ # have to do anything special.
+ aix_use_runtimelinking=no
+ exp_sym_flag='-Bexport'
+ no_entry_flag=""
+ else
+ aix_use_runtimelinking=no
+
+ # Test if we are trying to use run time linking or normal
+ # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+ # need to do runtime linking.
+ case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+ for ld_flag in $LDFLAGS; do
+ case $ld_flag in
+ *-brtl*)
+ aix_use_runtimelinking=yes
+ break
+ ;;
+ esac
+ done
+ ;;
+ esac
+
+ exp_sym_flag='-bexport'
+ no_entry_flag='-bnoentry'
+ fi
+
+ # When large executables or shared objects are built, AIX ld can
+ # have problems creating the table of contents. If linking a library
+ # or program results in "error TOC overflow" add -mminimal-toc to
+ # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
+ # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+ _LT_AC_TAGVAR(archive_cmds, $1)=''
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+
+ if test "$GXX" = yes; then
+ case $host_os in aix4.[[012]]|aix4.[[012]].*)
+ # We only want to do this on AIX 4.2 and lower, the check
+ # below for broken collect2 doesn't work under 4.3+
+ collect2name=`${CC} -print-prog-name=collect2`
+ if test -f "$collect2name" && \
+ strings "$collect2name" | grep resolve_lib_name >/dev/null
+ then
+ # We have reworked collect2
+ :
+ else
+ # We have old collect2
+ _LT_AC_TAGVAR(hardcode_direct, $1)=unsupported
+ # It fails to find uninstalled libraries when the uninstalled
+ # path is not listed in the libpath. Setting hardcode_minus_L
+ # to unsupported forces relinking
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
+ fi
+ ;;
+ esac
+ shared_flag='-shared'
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag="$shared_flag "'${wl}-G'
+ fi
+ else
+ # not using gcc
+ if test "$host_cpu" = ia64; then
+ # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+ # chokes on -Wl,-G. The following line is correct:
+ shared_flag='-G'
+ else
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag='${wl}-G'
+ else
+ shared_flag='${wl}-bM:SRE'
+ fi
+ fi
+ fi
+
+ # It seems that -bexpall does not export symbols beginning with
+ # underscore (_), so it is better to generate a list of symbols to export.
+ _LT_AC_TAGVAR(always_export_symbols, $1)=yes
+ if test "$aix_use_runtimelinking" = yes; then
+ # Warning - without using the other runtime loading flags (-brtl),
+ # -berok will link without error, but may produce a broken library.
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)='-berok'
+ # Determine the default libpath from the value encoded in an empty executable.
+ _LT_AC_SYS_LIBPATH_AIX
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+ else
+ if test "$host_cpu" = ia64; then
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+ else
+ # Determine the default libpath from the value encoded in an empty executable.
+ _LT_AC_SYS_LIBPATH_AIX
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+ # Warning - without using the other run time loading flags,
+ # -berok will link without error, but may produce a broken library.
+ _LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
+ # Exported symbols can be pulled into shared objects from archives
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
+ # This is similar to how AIX traditionally builds its shared libraries.
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+ fi
+ fi
+ ;;
+
+ beos*)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+ # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+ # support --undefined. This deserves some investigation. FIXME
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ else
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ chorus*)
+ case $cc_basename in
+ *)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ ;;
+
+ cygwin* | mingw* | pw32*)
+ # _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+ # as there is no search path for DLLs.
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+ _LT_AC_TAGVAR(always_export_symbols, $1)=no
+ _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+
+ if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ # If the export-symbols file already is a .def file (1st line
+ # is EXPORTS), use it as is; otherwise, prepend...
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+ cp $export_symbols $output_objdir/$soname.def;
+ else
+ echo EXPORTS > $output_objdir/$soname.def;
+ cat $export_symbols >> $output_objdir/$soname.def;
+ fi~
+ $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ else
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ darwin* | rhapsody*)
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_AC_TAGVAR(hardcode_direct, $1)=no
+ _LT_AC_TAGVAR(hardcode_automatic, $1)=yes
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=''
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined"
+ if test "$GXX" = yes ; then
+ output_verbose_link_cmd='echo'
+ _LT_AC_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+ _LT_AC_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+ _LT_AC_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+ if test "$lt_cv_apple_cc_single_mod" != "yes"; then
+ _LT_AC_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}"
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}"
+ fi
+ else
+ case $cc_basename in
+ xlc*)
+ output_verbose_link_cmd='echo'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj ${wl}-single_module $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}`echo $rpath/$soname` $xlcverstring'
+ _LT_AC_TAGVAR(module_cmds, $1)='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags'
+ # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin lds
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -qmkshrobj ${wl}-single_module $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}$rpath/$soname $xlcverstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ _LT_AC_TAGVAR(module_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ ;;
+ *)
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ fi
+ ;;
+
+ dgux*)
+ case $cc_basename in
+ ec++*)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ ghcx*)
+ # Green Hills C++ Compiler
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ ;;
+ freebsd[[12]]*)
+ # C++ shared libraries reported to be fairly broken before switch to ELF
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ freebsd-elf*)
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+ ;;
+ freebsd* | dragonfly*)
+ # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
+ # conventions
+ _LT_AC_TAGVAR(ld_shlibs, $1)=yes
+ ;;
+ gnu*)
+ ;;
+ hpux9*)
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+ # but as the default
+ # location of the library.
+
+ case $cc_basename in
+ CC*)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ aCC*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | grep "[[-]]L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+ ;;
+ *)
+ if test "$GXX" = yes; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ else
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ esac
+ ;;
+ hpux10*|hpux11*)
+ if test $with_gnu_ld = no; then
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ case $host_cpu in
+ hppa*64*|ia64*) ;;
+ *)
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ ;;
+ esac
+ fi
+ case $host_cpu in
+ hppa*64*|ia64*)
+ _LT_AC_TAGVAR(hardcode_direct, $1)=no
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+ *)
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+ # but as the default
+ # location of the library.
+ ;;
+ esac
+
+ case $cc_basename in
+ CC*)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ aCC*)
+ case $host_cpu in
+ hppa*64*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ ia64*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ *)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ esac
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | grep "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+ ;;
+ *)
+ if test "$GXX" = yes; then
+ if test $with_gnu_ld = no; then
+ case $host_cpu in
+ hppa*64*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ ia64*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ *)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ esac
+ fi
+ else
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ esac
+ ;;
+ interix[[3-9]]*)
+ _LT_AC_TAGVAR(hardcode_direct, $1)=no
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+ # Instead, shared libraries are loaded at an image base (0x10000000 by
+ # default) and relocated if they conflict, which is a slow very memory
+ # consuming and fragmenting process. To avoid this, we pick a random,
+ # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+ # time. Moving up from 0x10000000 also allows more sbrk(2) space.
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ ;;
+ irix5* | irix6*)
+ case $cc_basename in
+ CC*)
+ # SGI C++
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+
+ # Archives containing C++ object files must be created using
+ # "CC -ar", where "CC" is the IRIX C++ compiler. This is
+ # necessary to make sure instantiated templates are included
+ # in the archive.
+ _LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
+ ;;
+ *)
+ if test "$GXX" = yes; then
+ if test "$with_gnu_ld" = no; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` -o $lib'
+ fi
+ fi
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+ ;;
+ esac
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+ ;;
+ linux* | k*bsd*-gnu)
+ case $cc_basename in
+ KCC*)
+ # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+ # KCC will only create a shared library if the output file
+ # ends with ".so" (or ".sl" for HP-UX), so rename the library
+ # to its proper name (with version) after linking.
+ _LT_AC_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib'
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | grep "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath,$libdir'
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+
+ # Archives containing C++ object files must be created using
+ # "CC -Bstatic", where "CC" is the KAI C++ compiler.
+ _LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
+ ;;
+ icpc*)
+ # Intel C++
+ with_gnu_ld=yes
+ # version 8.0 and above of icpc choke on multiply defined symbols
+ # if we add $predep_objects and $postdep_objects, however 7.1 and
+ # earlier do not add the objects themselves.
+ case `$CC -V 2>&1` in
+ *"Version 7."*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ ;;
+ *) # Version 8.0 or newer
+ tmp_idyn=
+ case $host_cpu in
+ ia64*) tmp_idyn=' -i_dynamic';;
+ esac
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ ;;
+ esac
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+ ;;
+ pgCC* | pgcpp*)
+ # Portland Group C++ compiler
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
+
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ ;;
+ cxx*)
+ # Compaq C++
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
+
+ runpath_var=LD_RUN_PATH
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld"`; templist=`echo $templist | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+ ;;
+ *)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C++ 5.9
+ _LT_AC_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+
+ # Not sure whether something based on
+ # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
+ # would be better.
+ output_verbose_link_cmd='echo'
+
+ # Archives containing C++ object files must be created using
+ # "CC -xar", where "CC" is the Sun C++ compiler. This is
+ # necessary to make sure instantiated templates are included
+ # in the archive.
+ _LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ lynxos*)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ m88k*)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ mvs*)
+ case $cc_basename in
+ cxx*)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ ;;
+ netbsd* | netbsdelf*-gnu)
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
+ wlarc=
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ fi
+ # Workaround some broken pre-1.5 toolchains
+ output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
+ ;;
+ openbsd2*)
+ # C++ shared libraries are fairly broken
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ openbsd*)
+ if test -f /usr/libexec/ld.so; then
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib'
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+ fi
+ output_verbose_link_cmd='echo'
+ else
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ osf3*)
+ case $cc_basename in
+ KCC*)
+ # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+ # KCC will only create a shared library if the output file
+ # ends with ".so" (or ".sl" for HP-UX), so rename the library
+ # to its proper name (with version) after linking.
+ _LT_AC_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ # Archives containing C++ object files must be created using
+ # "CC -Bstatic", where "CC" is the KAI C++ compiler.
+ _LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
+
+ ;;
+ RCC*)
+ # Rational C++ 2.4.1
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ cxx*)
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+ ;;
+ *)
+ if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "\-L"'
+
+ else
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ esac
+ ;;
+ osf4* | osf5*)
+ case $cc_basename in
+ KCC*)
+ # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+ # KCC will only create a shared library if the output file
+ # ends with ".so" (or ".sl" for HP-UX), so rename the library
+ # to its proper name (with version) after linking.
+ _LT_AC_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ # Archives containing C++ object files must be created using
+ # the KAI C++ compiler.
+ _LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs'
+ ;;
+ RCC*)
+ # Rational C++ 2.4.1
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ cxx*)
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
+ echo "-hidden">> $lib.exp~
+ $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname -Wl,-input -Wl,$lib.exp `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib~
+ $rm $lib.exp'
+
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+ ;;
+ *)
+ if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "\-L"'
+
+ else
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ esac
+ ;;
+ psos*)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ sunos4*)
+ case $cc_basename in
+ CC*)
+ # Sun C++ 4.x
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ lcc*)
+ # Lucid
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ ;;
+ solaris*)
+ case $cc_basename in
+ CC*)
+ # Sun C++ 4.2, 5.x and Centerline C++
+ _LT_AC_TAGVAR(archive_cmds_need_lc,$1)=yes
+ _LT_AC_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $CC -G${allow_undefined_flag} ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
+
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ case $host_os in
+ solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+ *)
+ # The compiler driver will combine and reorder linker options,
+ # but understands `-z linker_flag'.
+ # Supported since Solaris 2.6 (maybe 2.5.1?)
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+ ;;
+ esac
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+
+ output_verbose_link_cmd='echo'
+
+ # Archives containing C++ object files must be created using
+ # "CC -xar", where "CC" is the Sun C++ compiler. This is
+ # necessary to make sure instantiated templates are included
+ # in the archive.
+ _LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+ ;;
+ gcx*)
+ # Green Hills C++ Compiler
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+
+ # The C++ compiler must be used to create the archive.
+ _LT_AC_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
+ ;;
+ *)
+ # GNU C++ compiler with Solaris linker
+ if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+ _LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-z ${wl}defs'
+ if $CC --version | grep -v '^2\.7' > /dev/null; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep \"\-L\""
+ else
+ # g++ 2.7 appears to require `-G' NOT `-shared' on this
+ # platform.
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | grep \"\-L\""
+ fi
+
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $wl$libdir'
+ case $host_os in
+ solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+ *)
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+ ;;
+ esac
+ fi
+ ;;
+ esac
+ ;;
+ sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+ _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ runpath_var='LD_RUN_PATH'
+
+ case $cc_basename in
+ CC*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ ;;
+ sysv5* | sco3.2v5* | sco5v6*)
+ # Note: We can NOT use -z defs as we might desire, because we do not
+ # link with -lc, and that would cause any symbols used from libc to
+ # always be unresolved, which means just about no library would
+ # ever link correctly. If we're not using GNU ld we use -z text
+ # though, which does catch some bad symbols but isn't as heavy-handed
+ # as -z defs.
+ # For security reasons, it is highly recommended that you always
+ # use absolute paths for naming shared libraries, and exclude the
+ # DT_RUNPATH tag from executables and libraries. But doing so
+ # requires that you compile everything twice, which is a pain.
+ # So that behaviour is only enabled if SCOABSPATH is set to a
+ # non-empty value in the environment. Most likely only useful for
+ # creating official distributions of packages.
+ # This is a hack until libtool officially supports absolute path
+ # names for shared libraries.
+ _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
+ runpath_var='LD_RUN_PATH'
+
+ case $cc_basename in
+ CC*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ ;;
+ tandem*)
+ case $cc_basename in
+ NCC*)
+ # NonStop-UX NCC 3.20
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ ;;
+ vxworks*)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+esac
+AC_MSG_RESULT([$_LT_AC_TAGVAR(ld_shlibs, $1)])
+test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
+
+_LT_AC_TAGVAR(GCC, $1)="$GXX"
+_LT_AC_TAGVAR(LD, $1)="$LD"
+
+AC_LIBTOOL_POSTDEP_PREDEP($1)
+AC_LIBTOOL_PROG_COMPILER_PIC($1)
+AC_LIBTOOL_PROG_CC_C_O($1)
+AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
+AC_LIBTOOL_PROG_LD_SHLIBS($1)
+AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
+AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)
+
+AC_LIBTOOL_CONFIG($1)
+
+AC_LANG_POP
+CC=$lt_save_CC
+LDCXX=$LD
+LD=$lt_save_LD
+GCC=$lt_save_GCC
+with_gnu_ldcxx=$with_gnu_ld
+with_gnu_ld=$lt_save_with_gnu_ld
+lt_cv_path_LDCXX=$lt_cv_path_LD
+lt_cv_path_LD=$lt_save_path_LD
+lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
+lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
+])# AC_LIBTOOL_LANG_CXX_CONFIG
+
+# AC_LIBTOOL_POSTDEP_PREDEP([TAGNAME])
+# ------------------------------------
+# Figure out "hidden" library dependencies from verbose
+# compiler output when linking a shared library.
+# Parse the compiler output and extract the necessary
+# objects, libraries and library flags.
+AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+dnl we can't use the lt_simple_compile_test_code here,
+dnl because it contains code intended for an executable,
+dnl not a library. It's possible we should let each
+dnl tag define a new lt_????_link_test_code variable,
+dnl but it's only used here...
+ifelse([$1],[],[cat > conftest.$ac_ext <<EOF
+int a;
+void foo (void) { a = 0; }
+EOF
+],[$1],[CXX],[cat > conftest.$ac_ext <<EOF
+class Foo
+{
+public:
+ Foo (void) { a = 0; }
+private:
+ int a;
+};
+EOF
+],[$1],[F77],[cat > conftest.$ac_ext <<EOF
+ subroutine foo
+ implicit none
+ integer*4 a
+ a=0
+ return
+ end
+EOF
+],[$1],[GCJ],[cat > conftest.$ac_ext <<EOF
+public class foo {
+ private int a;
+ public void bar (void) {
+ a = 0;
+ }
+};
+EOF
+])
+dnl Parse the compiler output and extract the necessary
+dnl objects, libraries and library flags.
+if AC_TRY_EVAL(ac_compile); then
+ # Parse the compiler output and extract the necessary
+ # objects, libraries and library flags.
+
+ # Sentinel used to keep track of whether or not we are before
+ # the conftest object file.
+ pre_test_object_deps_done=no
+
+ # The `*' in the case matches for architectures that use `case' in
+ # $output_verbose_cmd can trigger glob expansion during the loop
+ # eval without this substitution.
+ output_verbose_link_cmd=`$echo "X$output_verbose_link_cmd" | $Xsed -e "$no_glob_subst"`
+
+ for p in `eval $output_verbose_link_cmd`; do
+ case $p in
+
+ -L* | -R* | -l*)
+ # Some compilers place space between "-{L,R}" and the path.
+ # Remove the space.
+ if test $p = "-L" \
+ || test $p = "-R"; then
+ prev=$p
+ continue
+ else
+ prev=
+ fi
+
+ if test "$pre_test_object_deps_done" = no; then
+ case $p in
+ -L* | -R*)
+ # Internal compiler library paths should come after those
+ # provided the user. The postdeps already come after the
+ # user supplied libs so there is no need to process them.
+ if test -z "$_LT_AC_TAGVAR(compiler_lib_search_path, $1)"; then
+ _LT_AC_TAGVAR(compiler_lib_search_path, $1)="${prev}${p}"
+ else
+ _LT_AC_TAGVAR(compiler_lib_search_path, $1)="${_LT_AC_TAGVAR(compiler_lib_search_path, $1)} ${prev}${p}"
+ fi
+ ;;
+ # The "-l" case would never come before the object being
+ # linked, so don't bother handling this case.
+ esac
+ else
+ if test -z "$_LT_AC_TAGVAR(postdeps, $1)"; then
+ _LT_AC_TAGVAR(postdeps, $1)="${prev}${p}"
+ else
+ _LT_AC_TAGVAR(postdeps, $1)="${_LT_AC_TAGVAR(postdeps, $1)} ${prev}${p}"
+ fi
+ fi
+ ;;
+
+ *.$objext)
+ # This assumes that the test object file only shows up
+ # once in the compiler output.
+ if test "$p" = "conftest.$objext"; then
+ pre_test_object_deps_done=yes
+ continue
+ fi
+
+ if test "$pre_test_object_deps_done" = no; then
+ if test -z "$_LT_AC_TAGVAR(predep_objects, $1)"; then
+ _LT_AC_TAGVAR(predep_objects, $1)="$p"
+ else
+ _LT_AC_TAGVAR(predep_objects, $1)="$_LT_AC_TAGVAR(predep_objects, $1) $p"
+ fi
+ else
+ if test -z "$_LT_AC_TAGVAR(postdep_objects, $1)"; then
+ _LT_AC_TAGVAR(postdep_objects, $1)="$p"
+ else
+ _LT_AC_TAGVAR(postdep_objects, $1)="$_LT_AC_TAGVAR(postdep_objects, $1) $p"
+ fi
+ fi
+ ;;
+
+ *) ;; # Ignore the rest.
+
+ esac
+ done
+
+ # Clean up.
+ rm -f a.out a.exe
+else
+ echo "libtool.m4: error: problem compiling $1 test program"
+fi
+
+$rm -f confest.$objext
+
+_LT_AC_TAGVAR(compiler_lib_search_dirs, $1)=
+if test -n "$_LT_AC_TAGVAR(compiler_lib_search_path, $1)"; then
+ _LT_AC_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_AC_TAGVAR(compiler_lib_search_path, $1)}" | ${SED} -e 's! -L! !g' -e 's!^ !!'`
+fi
+
+# PORTME: override above test on systems where it is broken
+ifelse([$1],[CXX],
+[case $host_os in
+interix[[3-9]]*)
+ # Interix 3.5 installs completely hosed .la files for C++, so rather than
+ # hack all around it, let's just trust "g++" to DTRT.
+ _LT_AC_TAGVAR(predep_objects,$1)=
+ _LT_AC_TAGVAR(postdep_objects,$1)=
+ _LT_AC_TAGVAR(postdeps,$1)=
+ ;;
+
+linux*)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C++ 5.9
+ #
+ # The more standards-conforming stlport4 library is
+ # incompatible with the Cstd library. Avoid specifying
+ # it if it's in CXXFLAGS. Ignore libCrun as
+ # -library=stlport4 depends on it.
+ case " $CXX $CXXFLAGS " in
+ *" -library=stlport4 "*)
+ solaris_use_stlport4=yes
+ ;;
+ esac
+ if test "$solaris_use_stlport4" != yes; then
+ _LT_AC_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
+ fi
+ ;;
+ esac
+ ;;
+
+solaris*)
+ case $cc_basename in
+ CC*)
+ # The more standards-conforming stlport4 library is
+ # incompatible with the Cstd library. Avoid specifying
+ # it if it's in CXXFLAGS. Ignore libCrun as
+ # -library=stlport4 depends on it.
+ case " $CXX $CXXFLAGS " in
+ *" -library=stlport4 "*)
+ solaris_use_stlport4=yes
+ ;;
+ esac
+
+ # Adding this requires a known-good setup of shared libraries for
+ # Sun compiler versions before 5.6, else PIC objects from an old
+ # archive will be linked into the output, leading to subtle bugs.
+ if test "$solaris_use_stlport4" != yes; then
+ _LT_AC_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
+ fi
+ ;;
+ esac
+ ;;
+esac
+])
+case " $_LT_AC_TAGVAR(postdeps, $1) " in
+*" -lc "*) _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no ;;
+esac
+])# AC_LIBTOOL_POSTDEP_PREDEP
+
+# AC_LIBTOOL_LANG_F77_CONFIG
+# --------------------------
+# Ensure that the configuration vars for the C compiler are
+# suitably defined. Those variables are subsequently used by
+# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
+AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG], [_LT_AC_LANG_F77_CONFIG(F77)])
+AC_DEFUN([_LT_AC_LANG_F77_CONFIG],
+[AC_REQUIRE([AC_PROG_F77])
+AC_LANG_PUSH(Fortran 77)
+
+_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_AC_TAGVAR(allow_undefined_flag, $1)=
+_LT_AC_TAGVAR(always_export_symbols, $1)=no
+_LT_AC_TAGVAR(archive_expsym_cmds, $1)=
+_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_AC_TAGVAR(hardcode_direct, $1)=no
+_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_AC_TAGVAR(hardcode_minus_L, $1)=no
+_LT_AC_TAGVAR(hardcode_automatic, $1)=no
+_LT_AC_TAGVAR(module_cmds, $1)=
+_LT_AC_TAGVAR(module_expsym_cmds, $1)=
+_LT_AC_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_AC_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_AC_TAGVAR(no_undefined_flag, $1)=
+_LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for f77 test sources.
+ac_ext=f
+
+# Object file extension for compiled f77 test sources.
+objext=o
+_LT_AC_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="\
+ subroutine t
+ return
+ end
+"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code="\
+ program t
+ end
+"
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_AC_SYS_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+CC=${F77-"f77"}
+compiler=$CC
+_LT_AC_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+
+AC_MSG_CHECKING([if libtool supports shared libraries])
+AC_MSG_RESULT([$can_build_shared])
+
+AC_MSG_CHECKING([whether to build shared libraries])
+test "$can_build_shared" = "no" && enable_shared=no
+
+# On AIX, shared libraries and static libraries use the same namespace, and
+# are all built from PIC.
+case $host_os in
+aix3*)
+ test "$enable_shared" = yes && enable_static=no
+ if test -n "$RANLIB"; then
+ archive_cmds="$archive_cmds~\$RANLIB \$lib"
+ postinstall_cmds='$RANLIB $lib'
+ fi
+ ;;
+aix[[4-9]]*)
+ if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+ test "$enable_shared" = yes && enable_static=no
+ fi
+ ;;
+esac
+AC_MSG_RESULT([$enable_shared])
+
+AC_MSG_CHECKING([whether to build static libraries])
+# Make sure either enable_shared or enable_static is yes.
+test "$enable_shared" = yes || enable_static=yes
+AC_MSG_RESULT([$enable_static])
+
+_LT_AC_TAGVAR(GCC, $1)="$G77"
+_LT_AC_TAGVAR(LD, $1)="$LD"
+
+AC_LIBTOOL_PROG_COMPILER_PIC($1)
+AC_LIBTOOL_PROG_CC_C_O($1)
+AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
+AC_LIBTOOL_PROG_LD_SHLIBS($1)
+AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
+AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)
+
+AC_LIBTOOL_CONFIG($1)
+
+AC_LANG_POP
+CC="$lt_save_CC"
+])# AC_LIBTOOL_LANG_F77_CONFIG
+
+
+# AC_LIBTOOL_LANG_GCJ_CONFIG
+# --------------------------
+# Ensure that the configuration vars for the C compiler are
+# suitably defined. Those variables are subsequently used by
+# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
+AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG], [_LT_AC_LANG_GCJ_CONFIG(GCJ)])
+AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG],
+[AC_LANG_SAVE
+
+# Source file extension for Java test sources.
+ac_ext=java
+
+# Object file extension for compiled Java test sources.
+objext=o
+_LT_AC_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="class foo {}"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_AC_SYS_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+CC=${GCJ-"gcj"}
+compiler=$CC
+_LT_AC_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+
+# GCJ did not exist at the time GCC didn't implicitly link libc in.
+_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_AC_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+
+AC_LIBTOOL_PROG_COMPILER_NO_RTTI($1)
+AC_LIBTOOL_PROG_COMPILER_PIC($1)
+AC_LIBTOOL_PROG_CC_C_O($1)
+AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
+AC_LIBTOOL_PROG_LD_SHLIBS($1)
+AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
+AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)
+
+AC_LIBTOOL_CONFIG($1)
+
+AC_LANG_RESTORE
+CC="$lt_save_CC"
+])# AC_LIBTOOL_LANG_GCJ_CONFIG
+
+
+# AC_LIBTOOL_LANG_RC_CONFIG
+# -------------------------
+# Ensure that the configuration vars for the Windows resource compiler are
+# suitably defined. Those variables are subsequently used by
+# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
+AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG], [_LT_AC_LANG_RC_CONFIG(RC)])
+AC_DEFUN([_LT_AC_LANG_RC_CONFIG],
+[AC_LANG_SAVE
+
+# Source file extension for RC test sources.
+ac_ext=rc
+
+# Object file extension for compiled RC test sources.
+objext=o
+_LT_AC_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }'
+
+# Code to be used in simple link tests
+lt_simple_link_test_code="$lt_simple_compile_test_code"
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_AC_SYS_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+CC=${RC-"windres"}
+compiler=$CC
+_LT_AC_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+
+AC_LIBTOOL_CONFIG($1)
+
+AC_LANG_RESTORE
+CC="$lt_save_CC"
+])# AC_LIBTOOL_LANG_RC_CONFIG
+
+
+# AC_LIBTOOL_CONFIG([TAGNAME])
+# ----------------------------
+# If TAGNAME is not passed, then create an initial libtool script
+# with a default configuration from the untagged config vars. Otherwise
+# add code to config.status for appending the configuration named by
+# TAGNAME from the matching tagged config vars.
+AC_DEFUN([AC_LIBTOOL_CONFIG],
+[# The else clause should only fire when bootstrapping the
+# libtool distribution, otherwise you forgot to ship ltmain.sh
+# with your package, and you will get complaints that there are
+# no rules to generate ltmain.sh.
+if test -f "$ltmain"; then
+ # See if we are running on zsh, and set the options which allow our commands through
+ # without removal of \ escapes.
+ if test -n "${ZSH_VERSION+set}" ; then
+ setopt NO_GLOB_SUBST
+ fi
+ # Now quote all the things that may contain metacharacters while being
+ # careful not to overquote the AC_SUBSTed values. We take copies of the
+ # variables and quote the copies for generation of the libtool script.
+ for var in echo old_CC old_CFLAGS AR AR_FLAGS EGREP RANLIB LN_S LTCC LTCFLAGS NM \
+ SED SHELL STRIP \
+ libname_spec library_names_spec soname_spec extract_expsyms_cmds \
+ old_striplib striplib file_magic_cmd finish_cmds finish_eval \
+ deplibs_check_method reload_flag reload_cmds need_locks \
+ lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl \
+ lt_cv_sys_global_symbol_to_c_name_address \
+ sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
+ old_postinstall_cmds old_postuninstall_cmds \
+ _LT_AC_TAGVAR(compiler, $1) \
+ _LT_AC_TAGVAR(CC, $1) \
+ _LT_AC_TAGVAR(LD, $1) \
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1) \
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1) \
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1) \
+ _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) \
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1) \
+ _LT_AC_TAGVAR(thread_safe_flag_spec, $1) \
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1) \
+ _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1) \
+ _LT_AC_TAGVAR(old_archive_cmds, $1) \
+ _LT_AC_TAGVAR(old_archive_from_new_cmds, $1) \
+ _LT_AC_TAGVAR(predep_objects, $1) \
+ _LT_AC_TAGVAR(postdep_objects, $1) \
+ _LT_AC_TAGVAR(predeps, $1) \
+ _LT_AC_TAGVAR(postdeps, $1) \
+ _LT_AC_TAGVAR(compiler_lib_search_path, $1) \
+ _LT_AC_TAGVAR(compiler_lib_search_dirs, $1) \
+ _LT_AC_TAGVAR(archive_cmds, $1) \
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1) \
+ _LT_AC_TAGVAR(postinstall_cmds, $1) \
+ _LT_AC_TAGVAR(postuninstall_cmds, $1) \
+ _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1) \
+ _LT_AC_TAGVAR(allow_undefined_flag, $1) \
+ _LT_AC_TAGVAR(no_undefined_flag, $1) \
+ _LT_AC_TAGVAR(export_symbols_cmds, $1) \
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1) \
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1) \
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1) \
+ _LT_AC_TAGVAR(hardcode_automatic, $1) \
+ _LT_AC_TAGVAR(module_cmds, $1) \
+ _LT_AC_TAGVAR(module_expsym_cmds, $1) \
+ _LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1) \
+ _LT_AC_TAGVAR(fix_srcfile_path, $1) \
+ _LT_AC_TAGVAR(exclude_expsyms, $1) \
+ _LT_AC_TAGVAR(include_expsyms, $1); do
+
+ case $var in
+ _LT_AC_TAGVAR(old_archive_cmds, $1) | \
+ _LT_AC_TAGVAR(old_archive_from_new_cmds, $1) | \
+ _LT_AC_TAGVAR(archive_cmds, $1) | \
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1) | \
+ _LT_AC_TAGVAR(module_cmds, $1) | \
+ _LT_AC_TAGVAR(module_expsym_cmds, $1) | \
+ _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1) | \
+ _LT_AC_TAGVAR(export_symbols_cmds, $1) | \
+ extract_expsyms_cmds | reload_cmds | finish_cmds | \
+ postinstall_cmds | postuninstall_cmds | \
+ old_postinstall_cmds | old_postuninstall_cmds | \
+ sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
+ # Double-quote double-evaled strings.
+ eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
+ ;;
+ *)
+ eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
+ ;;
+ esac
+ done
+
+ case $lt_echo in
+ *'\[$]0 --fallback-echo"')
+ lt_echo=`$echo "X$lt_echo" | $Xsed -e 's/\\\\\\\[$]0 --fallback-echo"[$]/[$]0 --fallback-echo"/'`
+ ;;
+ esac
+
+ifelse([$1], [],
+ [cfgfile="${ofile}T"
+ trap "$rm \"$cfgfile\"; exit 1" 1 2 15
+ $rm -f "$cfgfile"
+ AC_MSG_NOTICE([creating $ofile])],
+ [cfgfile="$ofile"])
+
+ cat <<__EOF__ >> "$cfgfile"
+ifelse([$1], [],
+[#! $SHELL
+
+# `$echo "$cfgfile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
+# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+#
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+# Free Software Foundation, Inc.
+#
+# This file is part of GNU Libtool:
+# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# A sed program that does not truncate output.
+SED=$lt_SED
+
+# Sed that helps us avoid accidentally triggering echo(1) options like -n.
+Xsed="$SED -e 1s/^X//"
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+# The names of the tagged configurations supported by this script.
+available_tags=
+
+# ### BEGIN LIBTOOL CONFIG],
+[# ### BEGIN LIBTOOL TAG CONFIG: $tagname])
+
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+
+# Shell to use when invoking shell scripts.
+SHELL=$lt_SHELL
+
+# Whether or not to build shared libraries.
+build_libtool_libs=$enable_shared
+
+# Whether or not to build static libraries.
+build_old_libs=$enable_static
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$_LT_AC_TAGVAR(archive_cmds_need_lc, $1)
+
+# Whether or not to disallow shared libs when runtime libs are static
+allow_libtool_libs_with_static_runtimes=$_LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)
+
+# Whether or not to optimize for fast installation.
+fast_install=$enable_fast_install
+
+# The host system.
+host_alias=$host_alias
+host=$host
+host_os=$host_os
+
+# The build system.
+build_alias=$build_alias
+build=$build
+build_os=$build_os
+
+# An echo program that does not interpret backslashes.
+echo=$lt_echo
+
+# The archiver.
+AR=$lt_AR
+AR_FLAGS=$lt_AR_FLAGS
+
+# A C compiler.
+LTCC=$lt_LTCC
+
+# LTCC compiler flags.
+LTCFLAGS=$lt_LTCFLAGS
+
+# A language-specific compiler.
+CC=$lt_[]_LT_AC_TAGVAR(compiler, $1)
+
+# Is the compiler the GNU C compiler?
+with_gcc=$_LT_AC_TAGVAR(GCC, $1)
+
+# An ERE matcher.
+EGREP=$lt_EGREP
+
+# The linker used to build libraries.
+LD=$lt_[]_LT_AC_TAGVAR(LD, $1)
+
+# Whether we need hard or soft links.
+LN_S=$lt_LN_S
+
+# A BSD-compatible nm program.
+NM=$lt_NM
+
+# A symbol stripping program
+STRIP=$lt_STRIP
+
+# Used to examine libraries when file_magic_cmd begins "file"
+MAGIC_CMD=$MAGIC_CMD
+
+# Used on cygwin: DLL creation program.
+DLLTOOL="$DLLTOOL"
+
+# Used on cygwin: object dumper.
+OBJDUMP="$OBJDUMP"
+
+# Used on cygwin: assembler.
+AS="$AS"
+
+# The name of the directory that contains temporary libtool files.
+objdir=$objdir
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag
+reload_cmds=$lt_reload_cmds
+
+# How to pass a linker flag through the compiler.
+wl=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)
+
+# Object file suffix (normally "o").
+objext="$ac_objext"
+
+# Old archive suffix (normally "a").
+libext="$libext"
+
+# Shared library suffix (normally ".so").
+shrext_cmds='$shrext_cmds'
+
+# Executable file suffix (normally "").
+exeext="$exeext"
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)
+pic_mode=$pic_mode
+
+# What is the maximum length of a command?
+max_cmd_len=$lt_cv_sys_max_cmd_len
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_[]_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)
+
+# Must we lock files when doing compilation?
+need_locks=$lt_need_locks
+
+# Do we need the lib prefix for modules?
+need_lib_prefix=$need_lib_prefix
+
+# Do we need a version for libraries?
+need_version=$need_version
+
+# Whether dlopen is supported.
+dlopen_support=$enable_dlopen
+
+# Whether dlopen of programs is supported.
+dlopen_self=$enable_dlopen_self
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=$enable_dlopen_self_static
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_static, $1)
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_[]_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_[]_LT_AC_TAGVAR(whole_archive_flag_spec, $1)
+
+# Compiler flag to generate thread-safe objects.
+thread_safe_flag_spec=$lt_[]_LT_AC_TAGVAR(thread_safe_flag_spec, $1)
+
+# Library versioning type.
+version_type=$version_type
+
+# Format of library name prefix.
+libname_spec=$lt_libname_spec
+
+# List of archive names. First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME.
+library_names_spec=$lt_library_names_spec
+
+# The coded name of the library, if different from the real name.
+soname_spec=$lt_soname_spec
+
+# Commands used to build and install an old-style archive.
+RANLIB=$lt_RANLIB
+old_archive_cmds=$lt_[]_LT_AC_TAGVAR(old_archive_cmds, $1)
+old_postinstall_cmds=$lt_old_postinstall_cmds
+old_postuninstall_cmds=$lt_old_postuninstall_cmds
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_[]_LT_AC_TAGVAR(old_archive_from_new_cmds, $1)
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_[]_LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1)
+
+# Commands used to build and install a shared archive.
+archive_cmds=$lt_[]_LT_AC_TAGVAR(archive_cmds, $1)
+archive_expsym_cmds=$lt_[]_LT_AC_TAGVAR(archive_expsym_cmds, $1)
+postinstall_cmds=$lt_postinstall_cmds
+postuninstall_cmds=$lt_postuninstall_cmds
+
+# Commands used to build a loadable module (assumed same as above if empty)
+module_cmds=$lt_[]_LT_AC_TAGVAR(module_cmds, $1)
+module_expsym_cmds=$lt_[]_LT_AC_TAGVAR(module_expsym_cmds, $1)
+
+# Commands to strip libraries.
+old_striplib=$lt_old_striplib
+striplib=$lt_striplib
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predep_objects=$lt_[]_LT_AC_TAGVAR(predep_objects, $1)
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdep_objects=$lt_[]_LT_AC_TAGVAR(postdep_objects, $1)
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predeps=$lt_[]_LT_AC_TAGVAR(predeps, $1)
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdeps=$lt_[]_LT_AC_TAGVAR(postdeps, $1)
+
+# The directories searched by this compiler when creating a shared
+# library
+compiler_lib_search_dirs=$lt_[]_LT_AC_TAGVAR(compiler_lib_search_dirs, $1)
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=$lt_[]_LT_AC_TAGVAR(compiler_lib_search_path, $1)
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method=$lt_deplibs_check_method
+
+# Command to use when deplibs_check_method == file_magic.
+file_magic_cmd=$lt_file_magic_cmd
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_[]_LT_AC_TAGVAR(allow_undefined_flag, $1)
+
+# Flag that forces no undefined symbols.
+no_undefined_flag=$lt_[]_LT_AC_TAGVAR(no_undefined_flag, $1)
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds=$lt_finish_cmds
+
+# Same as above, but a single script fragment to be evaled but not shown.
+finish_eval=$lt_finish_eval
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
+
+# Transform the output of nm in a proper C declaration
+global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
+
+# Transform the output of nm in a C name address pair
+global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
+
+# This is the shared library runtime path variable.
+runpath_var=$runpath_var
+
+# This is the shared library path variable.
+shlibpath_var=$shlibpath_var
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=$shlibpath_overrides_runpath
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$_LT_AC_TAGVAR(hardcode_action, $1)
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=$hardcode_into_libs
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist.
+hardcode_libdir_flag_spec=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)
+
+# If ld is used when linking, flag to hardcode \$libdir into
+# a binary during linking. This must work even if \$libdir does
+# not exist.
+hardcode_libdir_flag_spec_ld=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)
+
+# Whether we need a single -rpath flag with a separated argument.
+hardcode_libdir_separator=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_separator, $1)
+
+# Set to yes if using DIR/libNAME${shared_ext} during linking hardcodes DIR into the
+# resulting binary.
+hardcode_direct=$_LT_AC_TAGVAR(hardcode_direct, $1)
+
+# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
+# resulting binary.
+hardcode_minus_L=$_LT_AC_TAGVAR(hardcode_minus_L, $1)
+
+# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
+# the resulting binary.
+hardcode_shlibpath_var=$_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)
+
+# Set to yes if building a shared library automatically hardcodes DIR into the library
+# and all subsequent libraries and executables linked against it.
+hardcode_automatic=$_LT_AC_TAGVAR(hardcode_automatic, $1)
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at relink time.
+variables_saved_for_relink="$variables_saved_for_relink"
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$_LT_AC_TAGVAR(link_all_deplibs, $1)
+
+# Compile-time system search path for libraries
+sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
+
+# Run-time system search path for libraries
+sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+
+# Fix the shell variable \$srcfile for the compiler.
+fix_srcfile_path=$lt_fix_srcfile_path
+
+# Set to yes if exported symbols are required.
+always_export_symbols=$_LT_AC_TAGVAR(always_export_symbols, $1)
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_[]_LT_AC_TAGVAR(export_symbols_cmds, $1)
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=$lt_extract_expsyms_cmds
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_[]_LT_AC_TAGVAR(exclude_expsyms, $1)
+
+# Symbols that must always be exported.
+include_expsyms=$lt_[]_LT_AC_TAGVAR(include_expsyms, $1)
+
+ifelse([$1],[],
+[# ### END LIBTOOL CONFIG],
+[# ### END LIBTOOL TAG CONFIG: $tagname])
+
+__EOF__
+
+ifelse([$1],[], [
+ case $host_os in
+ aix3*)
+ cat <<\EOF >> "$cfgfile"
+
+# AIX sometimes has problems with the GCC collect2 program. For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test "X${COLLECT_NAMES+set}" != Xset; then
+ COLLECT_NAMES=
+ export COLLECT_NAMES
+fi
+EOF
+ ;;
+ esac
+
+ # We use sed instead of cat because bash on DJGPP gets confused if
+ # if finds mixed CR/LF and LF-only lines. Since sed operates in
+ # text mode, it properly converts lines to CR/LF. This bash problem
+ # is reportedly fixed, but why not run on old versions too?
+ sed '$q' "$ltmain" >> "$cfgfile" || (rm -f "$cfgfile"; exit 1)
+
+ mv -f "$cfgfile" "$ofile" || \
+ (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+ chmod +x "$ofile"
+])
+else
+ # If there is no Makefile yet, we rely on a make rule to execute
+ # `config.status --recheck' to rerun these tests and create the
+ # libtool script then.
+ ltmain_in=`echo $ltmain | sed -e 's/\.sh$/.in/'`
+ if test -f "$ltmain_in"; then
+ test -f Makefile && make "$ltmain"
+ fi
+fi
+])# AC_LIBTOOL_CONFIG
+
+
+# AC_LIBTOOL_PROG_COMPILER_NO_RTTI([TAGNAME])
+# -------------------------------------------
+AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI],
+[AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
+
+_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+
+if test "$GCC" = yes; then
+ _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
+
+ AC_LIBTOOL_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions],
+ lt_cv_prog_compiler_rtti_exceptions,
+ [-fno-rtti -fno-exceptions], [],
+ [_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"])
+fi
+])# AC_LIBTOOL_PROG_COMPILER_NO_RTTI
+
+
+# AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
+# ---------------------------------
+AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE],
+[AC_REQUIRE([AC_CANONICAL_HOST])
+AC_REQUIRE([LT_AC_PROG_SED])
+AC_REQUIRE([AC_PROG_NM])
+AC_REQUIRE([AC_OBJEXT])
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+AC_MSG_CHECKING([command to parse $NM output from $compiler object])
+AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe],
+[
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix. What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[[BCDEGRST]]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'
+
+# Transform an extracted symbol line into a proper C declaration
+lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern int \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'"
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+ symcode='[[BCDT]]'
+ ;;
+cygwin* | mingw* | pw32*)
+ symcode='[[ABCDGISTW]]'
+ ;;
+hpux*) # Its linker distinguishes data from code symbols
+ if test "$host_cpu" = ia64; then
+ symcode='[[ABCDEGRST]]'
+ fi
+ lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+ lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'"
+ ;;
+linux* | k*bsd*-gnu)
+ if test "$host_cpu" = ia64; then
+ symcode='[[ABCDGIRSTW]]'
+ lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+ lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'"
+ fi
+ ;;
+irix* | nonstopux*)
+ symcode='[[BCDEGRST]]'
+ ;;
+osf*)
+ symcode='[[BCDEGQRST]]'
+ ;;
+solaris*)
+ symcode='[[BDRT]]'
+ ;;
+sco3.2v5*)
+ symcode='[[DT]]'
+ ;;
+sysv4.2uw2*)
+ symcode='[[DT]]'
+ ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+ symcode='[[ABDT]]'
+ ;;
+sysv4)
+ symcode='[[DFNSTU]]'
+ ;;
+esac
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+ opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+ ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+ symcode='[[ABCDGIRSTW]]' ;;
+esac
+
+# Try without a prefix undercore, then with it.
+for ac_symprfx in "" "_"; do
+
+ # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+ symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+ # Write the raw and C identifiers.
+ lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+
+ # Check to see that the pipe works correctly.
+ pipe_works=no
+
+ rm -f conftest*
+ cat > conftest.$ac_ext <<EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+EOF
+
+ if AC_TRY_EVAL(ac_compile); then
+ # Now try to grab the symbols.
+ nlist=conftest.nm
+ if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then
+ # Try sorting and uniquifying the output.
+ if sort "$nlist" | uniq > "$nlist"T; then
+ mv -f "$nlist"T "$nlist"
+ else
+ rm -f "$nlist"T
+ fi
+
+ # Make sure that we snagged all the symbols we need.
+ if grep ' nm_test_var$' "$nlist" >/dev/null; then
+ if grep ' nm_test_func$' "$nlist" >/dev/null; then
+ cat <<EOF > conftest.$ac_ext
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+EOF
+ # Now generate the symbol file.
+ eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | grep -v main >> conftest.$ac_ext'
+
+ cat <<EOF >> conftest.$ac_ext
+#if defined (__STDC__) && __STDC__
+# define lt_ptr_t void *
+#else
+# define lt_ptr_t char *
+# define const
+#endif
+
+/* The mapping between symbol names and symbols. */
+const struct {
+ const char *name;
+ lt_ptr_t address;
+}
+lt_preloaded_symbols[[]] =
+{
+EOF
+ $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (lt_ptr_t) \&\2},/" < "$nlist" | grep -v main >> conftest.$ac_ext
+ cat <<\EOF >> conftest.$ac_ext
+ {0, (lt_ptr_t) 0}
+};
+
+#ifdef __cplusplus
+}
+#endif
+EOF
+ # Now try linking the two files.
+ mv conftest.$ac_objext conftstm.$ac_objext
+ lt_save_LIBS="$LIBS"
+ lt_save_CFLAGS="$CFLAGS"
+ LIBS="conftstm.$ac_objext"
+ CFLAGS="$CFLAGS$_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
+ if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
+ pipe_works=yes
+ fi
+ LIBS="$lt_save_LIBS"
+ CFLAGS="$lt_save_CFLAGS"
+ else
+ echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD
+ fi
+ else
+ echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD
+ fi
+ else
+ echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
+ fi
+ else
+ echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD
+ cat conftest.$ac_ext >&5
+ fi
+ rm -rf conftest* conftst*
+
+ # Do not use the global_symbol_pipe unless it works.
+ if test "$pipe_works" = yes; then
+ break
+ else
+ lt_cv_sys_global_symbol_pipe=
+ fi
+done
+])
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+ lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+ AC_MSG_RESULT(failed)
+else
+ AC_MSG_RESULT(ok)
+fi
+]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
+
+
+# AC_LIBTOOL_PROG_COMPILER_PIC([TAGNAME])
+# ---------------------------------------
+AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC],
+[_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)=
+_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
+_LT_AC_TAGVAR(lt_prog_compiler_static, $1)=
+
+AC_MSG_CHECKING([for $compiler option to produce PIC])
+ ifelse([$1],[CXX],[
+ # C++ specific cases for pic, static, wl, etc.
+ if test "$GXX" = yes; then
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+ case $host_os in
+ aix*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ fi
+ ;;
+ amigaos*)
+ # FIXME: we need at least 68020 code to build shared libraries, but
+ # adding the `-m68020' flag to GCC prevents building anything better,
+ # like `-m68040'.
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+ ;;
+ beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+ # PIC is the default for these OSes.
+ ;;
+ mingw* | cygwin* | os2* | pw32*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ # Although the cygwin gcc ignores -fPIC, still need this for old-style
+ # (--disable-auto-import) libraries
+ m4_if([$1], [GCJ], [],
+ [_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+ ;;
+ darwin* | rhapsody*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+ ;;
+ *djgpp*)
+ # DJGPP does not support shared libraries at all
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
+ ;;
+ interix[[3-9]]*)
+ # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+ # Instead, we relocate shared libraries at runtime.
+ ;;
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+ fi
+ ;;
+ hpux*)
+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+ # not for PA HP-UX.
+ case $host_cpu in
+ hppa*64*|ia64*)
+ ;;
+ *)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ ;;
+ esac
+ ;;
+ *)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ ;;
+ esac
+ else
+ case $host_os in
+ aix[[4-9]]*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ else
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+ fi
+ ;;
+ chorus*)
+ case $cc_basename in
+ cxch68*)
+ # Green Hills C++ Compiler
+ # _LT_AC_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
+ ;;
+ esac
+ ;;
+ darwin*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ case $cc_basename in
+ xlc*)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-qnocommon'
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ ;;
+ esac
+ ;;
+ dgux*)
+ case $cc_basename in
+ ec++*)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ ;;
+ ghcx*)
+ # Green Hills C++ Compiler
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ freebsd* | dragonfly*)
+ # FreeBSD uses GNU C++
+ ;;
+ hpux9* | hpux10* | hpux11*)
+ case $cc_basename in
+ CC*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+ if test "$host_cpu" != ia64; then
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+ fi
+ ;;
+ aCC*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+ ;;
+ esac
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ interix*)
+ # This is c89, which is MS Visual C++ (no shared libs)
+ # Anyone wants to do a port?
+ ;;
+ irix5* | irix6* | nonstopux*)
+ case $cc_basename in
+ CC*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ # CC pic flag -KPIC is the default.
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ linux* | k*bsd*-gnu)
+ case $cc_basename in
+ KCC*)
+ # KAI C++ Compiler
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ ;;
+ icpc* | ecpc*)
+ # Intel C++
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
+ ;;
+ pgCC* | pgcpp*)
+ # Portland Group C++ compiler.
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+ cxx*)
+ # Compaq C++
+ # Make sure the PIC flag is empty. It appears that all Alpha
+ # Linux and Compaq Tru64 Unix objects are PIC.
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ ;;
+ *)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C++ 5.9
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ lynxos*)
+ ;;
+ m88k*)
+ ;;
+ mvs*)
+ case $cc_basename in
+ cxx*)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ netbsd* | netbsdelf*-gnu)
+ ;;
+ osf3* | osf4* | osf5*)
+ case $cc_basename in
+ KCC*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+ ;;
+ RCC*)
+ # Rational C++ 2.4.1
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+ ;;
+ cxx*)
+ # Digital/Compaq C++
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ # Make sure the PIC flag is empty. It appears that all Alpha
+ # Linux and Compaq Tru64 Unix objects are PIC.
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ psos*)
+ ;;
+ solaris*)
+ case $cc_basename in
+ CC*)
+ # Sun C++ 4.2, 5.x and Centerline C++
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+ ;;
+ gcx*)
+ # Green Hills C++ Compiler
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ sunos4*)
+ case $cc_basename in
+ CC*)
+ # Sun C++ 4.x
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+ lcc*)
+ # Lucid
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ tandem*)
+ case $cc_basename in
+ NCC*)
+ # NonStop-UX NCC 3.20
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+ case $cc_basename in
+ CC*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+ esac
+ ;;
+ vxworks*)
+ ;;
+ *)
+ _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+ ;;
+ esac
+ fi
+],
+[
+ if test "$GCC" = yes; then
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+ case $host_os in
+ aix*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ fi
+ ;;
+
+ amigaos*)
+ # FIXME: we need at least 68020 code to build shared libraries, but
+ # adding the `-m68020' flag to GCC prevents building anything better,
+ # like `-m68040'.
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+ ;;
+
+ beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+ # PIC is the default for these OSes.
+ ;;
+
+ mingw* | cygwin* | pw32* | os2*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ # Although the cygwin gcc ignores -fPIC, still need this for old-style
+ # (--disable-auto-import) libraries
+ m4_if([$1], [GCJ], [],
+ [_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+ ;;
+
+ darwin* | rhapsody*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+ ;;
+
+ interix[[3-9]]*)
+ # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+ # Instead, we relocate shared libraries at runtime.
+ ;;
+
+ msdosdjgpp*)
+ # Just because we use GCC doesn't mean we suddenly get shared libraries
+ # on systems that don't support them.
+ _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+ enable_shared=no
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+ fi
+ ;;
+
+ hpux*)
+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+ # not for PA HP-UX.
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ ;;
+ esac
+ ;;
+
+ *)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ ;;
+ esac
+ else
+ # PORTME Check for flag to pass linker flags through the system compiler.
+ case $host_os in
+ aix*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ else
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+ fi
+ ;;
+ darwin*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ case $cc_basename in
+ xlc*)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-qnocommon'
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ ;;
+ esac
+ ;;
+
+ mingw* | cygwin* | pw32* | os2*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ m4_if([$1], [GCJ], [],
+ [_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+ ;;
+
+ hpux9* | hpux10* | hpux11*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+ # not for PA HP-UX.
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+ ;;
+ esac
+ # Is there a better lt_prog_compiler_static that works with the bundled CC?
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+ ;;
+
+ irix5* | irix6* | nonstopux*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ # PIC (with -KPIC) is the default.
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ ;;
+
+ newsos6)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+
+ linux* | k*bsd*-gnu)
+ case $cc_basename in
+ icc* | ecc*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
+ ;;
+ pgcc* | pgf77* | pgf90* | pgf95*)
+ # Portland Group compilers (*not* the Pentium gcc compiler,
+ # which looks to be a dead project)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+ ccc*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ # All Alpha code is PIC.
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ ;;
+ *)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C 5.9
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ ;;
+ *Sun\ F*)
+ # Sun Fortran 8.3 passes all unrecognized flags to the linker
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)=''
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+
+ osf3* | osf4* | osf5*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ # All OSF/1 code is PIC.
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ ;;
+
+ rdos*)
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ ;;
+
+ solaris*)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ case $cc_basename in
+ f77* | f90* | f95*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';;
+ *)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';;
+ esac
+ ;;
+
+ sunos4*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+
+ sysv4 | sysv4.2uw2* | sysv4.3*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec ;then
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ fi
+ ;;
+
+ sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+
+ unicos*)
+ _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+ ;;
+
+ uts4*)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+ _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+
+ *)
+ _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+ ;;
+ esac
+ fi
+])
+AC_MSG_RESULT([$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)])
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)"; then
+ AC_LIBTOOL_COMPILER_OPTION([if $compiler PIC flag $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) works],
+ _LT_AC_TAGVAR(lt_cv_prog_compiler_pic_works, $1),
+ [$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)ifelse([$1],[],[ -DPIC],[ifelse([$1],[CXX],[ -DPIC],[])])], [],
+ [case $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) in
+ "" | " "*) ;;
+ *) _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)" ;;
+ esac],
+ [_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
+ _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
+fi
+case $host_os in
+ # For platforms which do not support PIC, -DPIC is meaningless:
+ *djgpp*)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
+ ;;
+ *)
+ _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)ifelse([$1],[],[ -DPIC],[ifelse([$1],[CXX],[ -DPIC],[])])"
+ ;;
+esac
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$_LT_AC_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_AC_TAGVAR(lt_prog_compiler_static, $1)\"
+AC_LIBTOOL_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works],
+ _LT_AC_TAGVAR(lt_cv_prog_compiler_static_works, $1),
+ $lt_tmp_static_flag,
+ [],
+ [_LT_AC_TAGVAR(lt_prog_compiler_static, $1)=])
+])
+
+
+# AC_LIBTOOL_PROG_LD_SHLIBS([TAGNAME])
+# ------------------------------------
+# See if the linker supports building shared libraries.
+AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+ifelse([$1],[CXX],[
+ _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+ case $host_os in
+ aix[[4-9]]*)
+ # If we're using GNU nm, then we don't want the "-C" option.
+ # -C means demangle to AIX nm, but means don't demangle with GNU nm
+ if $NM -V 2>&1 | grep 'GNU' > /dev/null; then
+ _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
+ else
+ _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
+ fi
+ ;;
+ pw32*)
+ _LT_AC_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds"
+ ;;
+ cygwin* | mingw*)
+ _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;/^.*[[ ]]__nm__/s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
+ ;;
+ linux* | k*bsd*-gnu)
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=no
+ ;;
+ *)
+ _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+ ;;
+ esac
+ _LT_AC_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+],[
+ runpath_var=
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=
+ _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+ _LT_AC_TAGVAR(archive_cmds, $1)=
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)=
+ _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)=
+ _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1)=
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
+ _LT_AC_TAGVAR(thread_safe_flag_spec, $1)=
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
+ _LT_AC_TAGVAR(hardcode_direct, $1)=no
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=no
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=unknown
+ _LT_AC_TAGVAR(hardcode_automatic, $1)=no
+ _LT_AC_TAGVAR(module_cmds, $1)=
+ _LT_AC_TAGVAR(module_expsym_cmds, $1)=
+ _LT_AC_TAGVAR(always_export_symbols, $1)=no
+ _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+ # include_expsyms should be a list of space-separated symbols to be *always*
+ # included in the symbol list
+ _LT_AC_TAGVAR(include_expsyms, $1)=
+ # exclude_expsyms can be an extended regexp of symbols to exclude
+ # it will be wrapped by ` (' and `)$', so one must not match beginning or
+ # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+ # as well as any symbol that contains `d'.
+ _LT_AC_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+ # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+ # platforms (ab)use it in PIC code, but their linkers get confused if
+ # the symbol is explicitly referenced. Since portable code cannot
+ # rely on this symbol name, it's probably fine to never include it in
+ # preloaded symbol tables.
+ # Exclude shared library initialization/finalization symbols.
+dnl Note also adjust exclude_expsyms for C++ above.
+ extract_expsyms_cmds=
+ # Just being paranoid about ensuring that cc_basename is set.
+ _LT_CC_BASENAME([$compiler])
+ case $host_os in
+ cygwin* | mingw* | pw32*)
+ # FIXME: the MSVC++ port hasn't been tested in a loooong time
+ # When not using gcc, we currently assume that we are using
+ # Microsoft Visual C++.
+ if test "$GCC" != yes; then
+ with_gnu_ld=no
+ fi
+ ;;
+ interix*)
+ # we just hope/assume this is gcc and not c89 (= MSVC++)
+ with_gnu_ld=yes
+ ;;
+ openbsd*)
+ with_gnu_ld=no
+ ;;
+ esac
+
+ _LT_AC_TAGVAR(ld_shlibs, $1)=yes
+ if test "$with_gnu_ld" = yes; then
+ # If archive_cmds runs LD, not CC, wlarc should be empty
+ wlarc='${wl}'
+
+ # Set some defaults for GNU ld with shared library support. These
+ # are reset later if shared libraries are not supported. Putting them
+ # here allows them to be overridden if necessary.
+ runpath_var=LD_RUN_PATH
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+ # ancient GNU ld didn't support --whole-archive et. al.
+ if $LD --help 2>&1 | grep 'no-whole-archive' > /dev/null; then
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+ else
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
+ fi
+ supports_anon_versioning=no
+ case `$LD -v 2>/dev/null` in
+ *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11
+ *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+ *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+ *\ 2.11.*) ;; # other 2.11 versions
+ *) supports_anon_versioning=yes ;;
+ esac
+
+ # See if GNU ld supports shared libraries.
+ case $host_os in
+ aix[[3-9]]*)
+ # On AIX/PPC, the GNU linker is very broken
+ if test "$host_cpu" != ia64; then
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ cat <<EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.9.1, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support. If you
+*** really care for shared libraries, you may want to modify your PATH
+*** so that a non-GNU linker is found, and then restart.
+
+EOF
+ fi
+ ;;
+
+ amigaos*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+
+ # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
+ # that the semantics of dynamic libraries on AmigaOS, at least up
+ # to version 4, is to share data among multiple programs linked
+ # with the same dynamic library. Since this doesn't match the
+ # behavior of shared libraries on other platforms, we can't use
+ # them.
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+
+ beos*)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+ # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+ # support --undefined. This deserves some investigation. FIXME
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ else
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ cygwin* | mingw* | pw32*)
+ # _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+ # as there is no search path for DLLs.
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+ _LT_AC_TAGVAR(always_export_symbols, $1)=no
+ _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+ _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/'\'' -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
+
+ if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ # If the export-symbols file already is a .def file (1st line
+ # is EXPORTS), use it as is; otherwise, prepend...
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+ cp $export_symbols $output_objdir/$soname.def;
+ else
+ echo EXPORTS > $output_objdir/$soname.def;
+ cat $export_symbols >> $output_objdir/$soname.def;
+ fi~
+ $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ else
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ interix[[3-9]]*)
+ _LT_AC_TAGVAR(hardcode_direct, $1)=no
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+ # Instead, shared libraries are loaded at an image base (0x10000000 by
+ # default) and relocated if they conflict, which is a slow very memory
+ # consuming and fragmenting process. To avoid this, we pick a random,
+ # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+ # time. Moving up from 0x10000000 also allows more sbrk(2) space.
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ ;;
+
+ gnu* | linux* | k*bsd*-gnu)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ tmp_addflag=
+ case $cc_basename,$host_cpu in
+ pgcc*) # Portland Group C compiler
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_addflag=' $pic_flag'
+ ;;
+ pgf77* | pgf90* | pgf95*) # Portland Group f77 and f90 compilers
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_addflag=' $pic_flag -Mnomain' ;;
+ ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64
+ tmp_addflag=' -i_dynamic' ;;
+ efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64
+ tmp_addflag=' -i_dynamic -nofor_main' ;;
+ ifc* | ifort*) # Intel Fortran compiler
+ tmp_addflag=' -nofor_main' ;;
+ esac
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*) # Sun C 5.9
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_sharedflag='-G' ;;
+ *Sun\ F*) # Sun Fortran 8.3
+ tmp_sharedflag='-G' ;;
+ *)
+ tmp_sharedflag='-shared' ;;
+ esac
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+ if test $supports_anon_versioning = yes; then
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $output_objdir/$libname.ver~
+ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+ $echo "local: *; };" >> $output_objdir/$libname.ver~
+ $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+ fi
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=no
+ else
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ netbsd* | netbsdelf*-gnu)
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+ wlarc=
+ else
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ fi
+ ;;
+
+ solaris*)
+ if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ cat <<EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems. Therefore, libtool
+*** is disabling shared libraries support. We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer. Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+EOF
+ elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+ case `$LD -v 2>&1` in
+ *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*)
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems. Therefore, libtool
+*** is disabling shared libraries support. We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer. Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+ ;;
+ *)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname,-retain-symbols-file,$export_symbols -o $lib'
+ else
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ esac
+ ;;
+
+ sunos4*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ wlarc=
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ *)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ esac
+
+ if test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = no; then
+ runpath_var=
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
+ fi
+ else
+ # PORTME fill in a description of your system's linker (not GNU ld)
+ case $host_os in
+ aix3*)
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+ _LT_AC_TAGVAR(always_export_symbols, $1)=yes
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+ # Note: this linker hardcodes the directories in LIBPATH if there
+ # are no directories specified by -L.
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+ if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+ # Neither direct hardcoding nor static linking is supported with a
+ # broken collect2.
+ _LT_AC_TAGVAR(hardcode_direct, $1)=unsupported
+ fi
+ ;;
+
+ aix[[4-9]]*)
+ if test "$host_cpu" = ia64; then
+ # On IA64, the linker does run time linking by default, so we don't
+ # have to do anything special.
+ aix_use_runtimelinking=no
+ exp_sym_flag='-Bexport'
+ no_entry_flag=""
+ else
+ # If we're using GNU nm, then we don't want the "-C" option.
+ # -C means demangle to AIX nm, but means don't demangle with GNU nm
+ if $NM -V 2>&1 | grep 'GNU' > /dev/null; then
+ _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
+ else
+ _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
+ fi
+ aix_use_runtimelinking=no
+
+ # Test if we are trying to use run time linking or normal
+ # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+ # need to do runtime linking.
+ case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+ for ld_flag in $LDFLAGS; do
+ if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+ aix_use_runtimelinking=yes
+ break
+ fi
+ done
+ ;;
+ esac
+
+ exp_sym_flag='-bexport'
+ no_entry_flag='-bnoentry'
+ fi
+
+ # When large executables or shared objects are built, AIX ld can
+ # have problems creating the table of contents. If linking a library
+ # or program results in "error TOC overflow" add -mminimal-toc to
+ # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
+ # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+ _LT_AC_TAGVAR(archive_cmds, $1)=''
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+
+ if test "$GCC" = yes; then
+ case $host_os in aix4.[[012]]|aix4.[[012]].*)
+ # We only want to do this on AIX 4.2 and lower, the check
+ # below for broken collect2 doesn't work under 4.3+
+ collect2name=`${CC} -print-prog-name=collect2`
+ if test -f "$collect2name" && \
+ strings "$collect2name" | grep resolve_lib_name >/dev/null
+ then
+ # We have reworked collect2
+ :
+ else
+ # We have old collect2
+ _LT_AC_TAGVAR(hardcode_direct, $1)=unsupported
+ # It fails to find uninstalled libraries when the uninstalled
+ # path is not listed in the libpath. Setting hardcode_minus_L
+ # to unsupported forces relinking
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
+ fi
+ ;;
+ esac
+ shared_flag='-shared'
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag="$shared_flag "'${wl}-G'
+ fi
+ else
+ # not using gcc
+ if test "$host_cpu" = ia64; then
+ # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+ # chokes on -Wl,-G. The following line is correct:
+ shared_flag='-G'
+ else
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag='${wl}-G'
+ else
+ shared_flag='${wl}-bM:SRE'
+ fi
+ fi
+ fi
+
+ # It seems that -bexpall does not export symbols beginning with
+ # underscore (_), so it is better to generate a list of symbols to export.
+ _LT_AC_TAGVAR(always_export_symbols, $1)=yes
+ if test "$aix_use_runtimelinking" = yes; then
+ # Warning - without using the other runtime loading flags (-brtl),
+ # -berok will link without error, but may produce a broken library.
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)='-berok'
+ # Determine the default libpath from the value encoded in an empty executable.
+ _LT_AC_SYS_LIBPATH_AIX
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+ else
+ if test "$host_cpu" = ia64; then
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+ else
+ # Determine the default libpath from the value encoded in an empty executable.
+ _LT_AC_SYS_LIBPATH_AIX
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+ # Warning - without using the other run time loading flags,
+ # -berok will link without error, but may produce a broken library.
+ _LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
+ # Exported symbols can be pulled into shared objects from archives
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
+ # This is similar to how AIX traditionally builds its shared libraries.
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+ fi
+ fi
+ ;;
+
+ amigaos*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+ # see comment about different semantics on the GNU ld section
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+
+ bsdi[[45]]*)
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
+ ;;
+
+ cygwin* | mingw* | pw32*)
+ # When not using gcc, we currently assume that we are using
+ # Microsoft Visual C++.
+ # hardcode_libdir_flag_spec is actually meaningless, as there is
+ # no search path for DLLs.
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+ # Tell ltmain to make .lib files, not .a files.
+ libext=lib
+ # Tell ltmain to make .dll files, not .so files.
+ shrext_cmds=".dll"
+ # FIXME: Setting linknames here is a bad hack.
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll~linknames='
+ # The linker will automatically build a .lib file if we build a DLL.
+ _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)='true'
+ # FIXME: Should let the user specify the lib program.
+ _LT_AC_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs'
+ _LT_AC_TAGVAR(fix_srcfile_path, $1)='`cygpath -w "$srcfile"`'
+ _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+ ;;
+
+ darwin* | rhapsody*)
+ case $host_os in
+ rhapsody* | darwin1.[[012]])
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-undefined ${wl}suppress'
+ ;;
+ *) # Darwin 1.3 on
+ if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
+ else
+ case ${MACOSX_DEPLOYMENT_TARGET} in
+ 10.[[012]])
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
+ ;;
+ 10.*)
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-undefined ${wl}dynamic_lookup'
+ ;;
+ esac
+ fi
+ ;;
+ esac
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_AC_TAGVAR(hardcode_direct, $1)=no
+ _LT_AC_TAGVAR(hardcode_automatic, $1)=yes
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=''
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+ if test "$GCC" = yes ; then
+ output_verbose_link_cmd='echo'
+ _LT_AC_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+ _LT_AC_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+ _LT_AC_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+ else
+ case $cc_basename in
+ xlc*)
+ output_verbose_link_cmd='echo'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}`echo $rpath/$soname` $xlcverstring'
+ _LT_AC_TAGVAR(module_cmds, $1)='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags'
+ # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin lds
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -qmkshrobj $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}$rpath/$soname $xlcverstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ _LT_AC_TAGVAR(module_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ ;;
+ *)
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ fi
+ ;;
+
+ dgux*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ freebsd1*)
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+
+ # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+ # support. Future versions do this automatically, but an explicit c++rt0.o
+ # does not break anything, and helps significantly (at the cost of a little
+ # extra space).
+ freebsd2.2*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+ freebsd2*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+ freebsd* | dragonfly*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ hpux9*)
+ if test "$GCC" = yes; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ else
+ _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ fi
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ ;;
+
+ hpux10*)
+ if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+ fi
+ if test "$with_gnu_ld" = no; then
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+ fi
+ ;;
+
+ hpux11*)
+ if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+ case $host_cpu in
+ hppa*64*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ ia64*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ else
+ case $host_cpu in
+ hppa*64*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ ia64*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ fi
+ if test "$with_gnu_ld" = no; then
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ case $host_cpu in
+ hppa*64*|ia64*)
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir'
+ _LT_AC_TAGVAR(hardcode_direct, $1)=no
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+ *)
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+ ;;
+ esac
+ fi
+ ;;
+
+ irix5* | irix6* | nonstopux*)
+ if test "$GCC" = yes; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='-rpath $libdir'
+ fi
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+ ;;
+
+ netbsd* | netbsdelf*-gnu)
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
+ else
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
+ fi
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ newsos6)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ openbsd*)
+ if test -f /usr/libexec/ld.so; then
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ else
+ case $host_os in
+ openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ ;;
+ *)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ ;;
+ esac
+ fi
+ else
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ os2*)
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+ _LT_AC_TAGVAR(archive_cmds, $1)='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+ _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+ ;;
+
+ osf3*)
+ if test "$GCC" = yes; then
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ fi
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+ ;;
+
+ osf4* | osf5*) # as osf3* with the addition of -msym flag
+ if test "$GCC" = yes; then
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ else
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
+ $LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib~$rm $lib.exp'
+
+ # Both c and cxx compiler support -rpath directly
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+ fi
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+ ;;
+
+ solaris*)
+ _LT_AC_TAGVAR(no_undefined_flag, $1)=' -z text'
+ if test "$GCC" = yes; then
+ wlarc='${wl}'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
+ else
+ wlarc=''
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
+ fi
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ case $host_os in
+ solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+ *)
+ # The compiler driver will combine and reorder linker options,
+ # but understands `-z linker_flag'. GCC discards it without `$wl',
+ # but is careful enough not to reorder.
+ # Supported since Solaris 2.6 (maybe 2.5.1?)
+ if test "$GCC" = yes; then
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+ else
+ _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+ fi
+ ;;
+ esac
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+ ;;
+
+ sunos4*)
+ if test "x$host_vendor" = xsequent; then
+ # Use $CC to link under sequent, because it throws in some extra .o
+ # files that make .init and .fini sections work.
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+ fi
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+ _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ sysv4)
+ case $host_vendor in
+ sni)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_AC_TAGVAR(hardcode_direct, $1)=yes # is this really true???
+ ;;
+ siemens)
+ ## LD is ld it makes a PLAMLIB
+ ## CC just makes a GrossModule.
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+ _LT_AC_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs'
+ _LT_AC_TAGVAR(hardcode_direct, $1)=no
+ ;;
+ motorola)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_AC_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie
+ ;;
+ esac
+ runpath_var='LD_RUN_PATH'
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ sysv4.3*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ runpath_var=LD_RUN_PATH
+ hardcode_runpath_var=yes
+ _LT_AC_TAGVAR(ld_shlibs, $1)=yes
+ fi
+ ;;
+
+ sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+ _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ runpath_var='LD_RUN_PATH'
+
+ if test "$GCC" = yes; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6*)
+ # Note: We can NOT use -z defs as we might desire, because we do not
+ # link with -lc, and that would cause any symbols used from libc to
+ # always be unresolved, which means just about no library would
+ # ever link correctly. If we're not using GNU ld we use -z text
+ # though, which does catch some bad symbols but isn't as heavy-handed
+ # as -z defs.
+ _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
+ _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
+ _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+ _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
+ runpath_var='LD_RUN_PATH'
+
+ if test "$GCC" = yes; then
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
+ ;;
+
+ uts4*)
+ _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ *)
+ _LT_AC_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ fi
+])
+AC_MSG_RESULT([$_LT_AC_TAGVAR(ld_shlibs, $1)])
+test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$_LT_AC_TAGVAR(archive_cmds_need_lc, $1)" in
+x|xyes)
+ # Assume -lc should be added
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
+
+ if test "$enable_shared" = yes && test "$GCC" = yes; then
+ case $_LT_AC_TAGVAR(archive_cmds, $1) in
+ *'~'*)
+ # FIXME: we may have to deal with multi-command sequences.
+ ;;
+ '$CC '*)
+ # Test whether the compiler implicitly links with -lc since on some
+ # systems, -lgcc has to come before -lc. If gcc already passes -lc
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+ AC_MSG_CHECKING([whether -lc should be explicitly linked in])
+ $rm conftest*
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ if AC_TRY_EVAL(ac_compile) 2>conftest.err; then
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+ pic_flag=$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)
+ compiler_flags=-v
+ linker_flags=-v
+ verstring=
+ output_objdir=.
+ libname=conftest
+ lt_save_allow_undefined_flag=$_LT_AC_TAGVAR(allow_undefined_flag, $1)
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=
+ if AC_TRY_EVAL(_LT_AC_TAGVAR(archive_cmds, $1) 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1)
+ then
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+ else
+ _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
+ fi
+ _LT_AC_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag
+ else
+ cat conftest.err 1>&5
+ fi
+ $rm conftest*
+ AC_MSG_RESULT([$_LT_AC_TAGVAR(archive_cmds_need_lc, $1)])
+ ;;
+ esac
+ fi
+ ;;
+esac
+])# AC_LIBTOOL_PROG_LD_SHLIBS
+
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+# _LT_AC_FILE_LTDLL_C
+# -------------------
+# Be careful that the start marker always follows a newline.
+AC_DEFUN([_LT_AC_FILE_LTDLL_C], [
+# /* ltdll.c starts here */
+# #define WIN32_LEAN_AND_MEAN
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+# #include <stdio.h>
+#
+# #ifndef __CYGWIN__
+# # ifdef __CYGWIN32__
+# # define __CYGWIN__ __CYGWIN32__
+# # endif
+# #endif
+#
+# #ifdef __cplusplus
+# extern "C" {
+# #endif
+# BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved);
+# #ifdef __cplusplus
+# }
+# #endif
+#
+# #ifdef __CYGWIN__
+# #include <cygwin/cygwin_dll.h>
+# DECLARE_CYGWIN_DLL( DllMain );
+# #endif
+# HINSTANCE __hDllInstance_base;
+#
+# BOOL APIENTRY
+# DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved)
+# {
+# __hDllInstance_base = hInst;
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+# }
+# /* ltdll.c ends here */
+])# _LT_AC_FILE_LTDLL_C
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+
+# _LT_AC_TAGVAR(VARNAME, [TAGNAME])
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+AC_DEFUN([LT_AC_PROG_RC],
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+# AS_EXECUTABLE_P
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+# NOTE: This macro has been submitted for inclusion into #
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+# Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
+#
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+# gives unlimited permission to copy and/or distribute it,
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+
+# AM_AUTOMAKE_VERSION(VERSION)
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+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
+# Free Software Foundation, Inc.
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+ ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+ # icc doesn't choke on unknown options, it will just issue warnings
+ # or remarks (even with -Werror). So we grep stderr for any message
+ # that says an option was ignored or not supported.
+ # When given -MP, icc 7.0 and 7.1 complain thusly:
+ # icc: Command line warning: ignoring option '-M'; no argument required
+ # The diagnosis changed in icc 8.0:
+ # icc: Command line remark: option '-MP' not supported
+ if (grep 'ignoring option' conftest.err ||
+ grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+ am_cv_$1_dependencies_compiler_type=$depmode
+ break
+ fi
+ fi
+ done
+
+ cd ..
+ rm -rf conftest.dir
+else
+ am_cv_$1_dependencies_compiler_type=none
+fi
+])
+AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
+AM_CONDITIONAL([am__fastdep$1], [
+ test "x$enable_dependency_tracking" != xno \
+ && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
+])
+
+
+# AM_SET_DEPDIR
+# -------------
+# Choose a directory name for dependency files.
+# This macro is AC_REQUIREd in _AM_DEPENDENCIES
+AC_DEFUN([AM_SET_DEPDIR],
+[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
+])
+
+
+# AM_DEP_TRACK
+# ------------
+AC_DEFUN([AM_DEP_TRACK],
+[AC_ARG_ENABLE(dependency-tracking,
+[ --disable-dependency-tracking speeds up one-time build
+ --enable-dependency-tracking do not reject slow dependency extractors])
+if test "x$enable_dependency_tracking" != xno; then
+ am_depcomp="$ac_aux_dir/depcomp"
+ AMDEPBACKSLASH='\'
+fi
+AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
+AC_SUBST([AMDEPBACKSLASH])
+])
+
+# Generate code to set up dependency tracking. -*- Autoconf -*-
+
+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+#serial 3
+
+# _AM_OUTPUT_DEPENDENCY_COMMANDS
+# ------------------------------
+AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
+[for mf in $CONFIG_FILES; do
+ # Strip MF so we end up with the name of the file.
+ mf=`echo "$mf" | sed -e 's/:.*$//'`
+ # Check whether this is an Automake generated Makefile or not.
+ # We used to match only the files named `Makefile.in', but
+ # some people rename them; so instead we look at the file content.
+ # Grep'ing the first line is not enough: some people post-process
+ # each Makefile.in and add a new line on top of each file to say so.
+ # So let's grep whole file.
+ if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then
+ dirpart=`AS_DIRNAME("$mf")`
+ else
+ continue
+ fi
+ # Extract the definition of DEPDIR, am__include, and am__quote
+ # from the Makefile without running `make'.
+ DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+ test -z "$DEPDIR" && continue
+ am__include=`sed -n 's/^am__include = //p' < "$mf"`
+ test -z "am__include" && continue
+ am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+ # When using ansi2knr, U may be empty or an underscore; expand it
+ U=`sed -n 's/^U = //p' < "$mf"`
+ # Find all dependency output files, they are included files with
+ # $(DEPDIR) in their names. We invoke sed twice because it is the
+ # simplest approach to changing $(DEPDIR) to its actual value in the
+ # expansion.
+ for file in `sed -n "
+ s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
+ sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
+ # Make sure the directory exists.
+ test -f "$dirpart/$file" && continue
+ fdir=`AS_DIRNAME(["$file"])`
+ AS_MKDIR_P([$dirpart/$fdir])
+ # echo "creating $dirpart/$file"
+ echo '# dummy' > "$dirpart/$file"
+ done
+done
+])# _AM_OUTPUT_DEPENDENCY_COMMANDS
+
+
+# AM_OUTPUT_DEPENDENCY_COMMANDS
+# -----------------------------
+# This macro should only be invoked once -- use via AC_REQUIRE.
+#
+# This code is only required when automatic dependency tracking
+# is enabled. FIXME. This creates each `.P' file that we will
+# need in order to bootstrap the dependency handling code.
+AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
+[AC_CONFIG_COMMANDS([depfiles],
+ [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
+ [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
+])
+
+# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 8
+
+# AM_CONFIG_HEADER is obsolete. It has been replaced by AC_CONFIG_HEADERS.
+AU_DEFUN([AM_CONFIG_HEADER], [AC_CONFIG_HEADERS($@)])
+
+# Do all the work for Automake. -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 12
+
+# This macro actually does too much. Some checks are only needed if
+# your package does certain things. But this isn't really a big deal.
+
+# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
+# AM_INIT_AUTOMAKE([OPTIONS])
+# -----------------------------------------------
+# The call with PACKAGE and VERSION arguments is the old style
+# call (pre autoconf-2.50), which is being phased out. PACKAGE
+# and VERSION should now be passed to AC_INIT and removed from
+# the call to AM_INIT_AUTOMAKE.
+# We support both call styles for the transition. After
+# the next Automake release, Autoconf can make the AC_INIT
+# arguments mandatory, and then we can depend on a new Autoconf
+# release and drop the old call support.
+AC_DEFUN([AM_INIT_AUTOMAKE],
+[AC_PREREQ([2.58])dnl
+dnl Autoconf wants to disallow AM_ names. We explicitly allow
+dnl the ones we care about.
+m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
+AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
+AC_REQUIRE([AC_PROG_INSTALL])dnl
+# test to see if srcdir already configured
+if test "`cd $srcdir && pwd`" != "`pwd`" &&
+ test -f $srcdir/config.status; then
+ AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+ if (cygpath --version) >/dev/null 2>/dev/null; then
+ CYGPATH_W='cygpath -w'
+ else
+ CYGPATH_W=echo
+ fi
+fi
+AC_SUBST([CYGPATH_W])
+
+# Define the identity of the package.
+dnl Distinguish between old-style and new-style calls.
+m4_ifval([$2],
+[m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
+ AC_SUBST([PACKAGE], [$1])dnl
+ AC_SUBST([VERSION], [$2])],
+[_AM_SET_OPTIONS([$1])dnl
+ AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
+ AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
+
+_AM_IF_OPTION([no-define],,
+[AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
+ AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
+
+# Some tools Automake needs.
+AC_REQUIRE([AM_SANITY_CHECK])dnl
+AC_REQUIRE([AC_ARG_PROGRAM])dnl
+AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
+AM_MISSING_PROG(AUTOCONF, autoconf)
+AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
+AM_MISSING_PROG(AUTOHEADER, autoheader)
+AM_MISSING_PROG(MAKEINFO, makeinfo)
+AM_PROG_INSTALL_SH
+AM_PROG_INSTALL_STRIP
+AC_REQUIRE([AM_PROG_MKDIR_P])dnl
+# We need awk for the "check" target. The system "awk" is bad on
+# some platforms.
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
+ [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
+ [_AM_PROG_TAR([v7])])])
+_AM_IF_OPTION([no-dependencies],,
+[AC_PROVIDE_IFELSE([AC_PROG_CC],
+ [_AM_DEPENDENCIES(CC)],
+ [define([AC_PROG_CC],
+ defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_CXX],
+ [_AM_DEPENDENCIES(CXX)],
+ [define([AC_PROG_CXX],
+ defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
+])
+])
+
+
+# When config.status generates a header, we must update the stamp-h file.
+# This file resides in the same directory as the config header
+# that is generated. The stamp files are numbered to have different names.
+
+# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
+# loop where config.status creates the headers, so we can generate
+# our stamp files there.
+AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
+[# Compute $1's index in $config_headers.
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+ case $_am_header in
+ $1 | $1:* )
+ break ;;
+ * )
+ _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+ esac
+done
+echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count])
+
+# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_SH
+# ------------------
+# Define $install_sh.
+AC_DEFUN([AM_PROG_INSTALL_SH],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+install_sh=${install_sh-"$am_aux_dir/install-sh"}
+AC_SUBST(install_sh)])
+
+# Copyright (C) 2003, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 2
+
+# Check whether the underlying file-system supports filenames
+# with a leading dot. For instance MS-DOS doesn't.
+AC_DEFUN([AM_SET_LEADING_DOT],
+[rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+ am__leading_dot=.
+else
+ am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+AC_SUBST([am__leading_dot])])
+
+# Check to see how 'make' treats includes. -*- Autoconf -*-
+
+# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 3
+
+# AM_MAKE_INCLUDE()
+# -----------------
+# Check to see how make treats includes.
+AC_DEFUN([AM_MAKE_INCLUDE],
+[am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+ @echo done
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+AC_MSG_CHECKING([for style of include used by $am_make])
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# We grep out `Entering directory' and `Leaving directory'
+# messages which can occur if `w' ends up in MAKEFLAGS.
+# In particular we don't look at `^make:' because GNU make might
+# be invoked under some other name (usually "gmake"), in which
+# case it prints its new name instead of `make'.
+if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
+ am__include=include
+ am__quote=
+ _am_result=GNU
+fi
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+ echo '.include "confinc"' > confmf
+ if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
+ am__include=.include
+ am__quote="\""
+ _am_result=BSD
+ fi
+fi
+AC_SUBST([am__include])
+AC_SUBST([am__quote])
+AC_MSG_RESULT([$_am_result])
+rm -f confinc confmf
+])
+
+# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
+
+# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 4
+
+# AM_MISSING_PROG(NAME, PROGRAM)
+# ------------------------------
+AC_DEFUN([AM_MISSING_PROG],
+[AC_REQUIRE([AM_MISSING_HAS_RUN])
+$1=${$1-"${am_missing_run}$2"}
+AC_SUBST($1)])
+
+
+# AM_MISSING_HAS_RUN
+# ------------------
+# Define MISSING if not defined so far and test if it supports --run.
+# If it does, set am_missing_run to use it, otherwise, to nothing.
+AC_DEFUN([AM_MISSING_HAS_RUN],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
+# Use eval to expand $SHELL
+if eval "$MISSING --run true"; then
+ am_missing_run="$MISSING --run "
+else
+ am_missing_run=
+ AC_MSG_WARN([`missing' script is too old or missing])
+fi
+])
+
+# Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_MKDIR_P
+# ---------------
+# Check whether `mkdir -p' is supported, fallback to mkinstalldirs otherwise.
+#
+# Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories
+# created by `make install' are always world readable, even if the
+# installer happens to have an overly restrictive umask (e.g. 077).
+# This was a mistake. There are at least two reasons why we must not
+# use `-m 0755':
+# - it causes special bits like SGID to be ignored,
+# - it may be too restrictive (some setups expect 775 directories).
+#
+# Do not use -m 0755 and let people choose whatever they expect by
+# setting umask.
+#
+# We cannot accept any implementation of `mkdir' that recognizes `-p'.
+# Some implementations (such as Solaris 8's) are not thread-safe: if a
+# parallel make tries to run `mkdir -p a/b' and `mkdir -p a/c'
+# concurrently, both version can detect that a/ is missing, but only
+# one can create it and the other will error out. Consequently we
+# restrict ourselves to GNU make (using the --version option ensures
+# this.)
+AC_DEFUN([AM_PROG_MKDIR_P],
+[if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
+ # We used to keeping the `.' as first argument, in order to
+ # allow $(mkdir_p) to be used without argument. As in
+ # $(mkdir_p) $(somedir)
+ # where $(somedir) is conditionally defined. However this is wrong
+ # for two reasons:
+ # 1. if the package is installed by a user who cannot write `.'
+ # make install will fail,
+ # 2. the above comment should most certainly read
+ # $(mkdir_p) $(DESTDIR)$(somedir)
+ # so it does not work when $(somedir) is undefined and
+ # $(DESTDIR) is not.
+ # To support the latter case, we have to write
+ # test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
+ # so the `.' trick is pointless.
+ mkdir_p='mkdir -p --'
+else
+ # On NextStep and OpenStep, the `mkdir' command does not
+ # recognize any option. It will interpret all options as
+ # directories to create, and then abort because `.' already
+ # exists.
+ for d in ./-p ./--version;
+ do
+ test -d $d && rmdir $d
+ done
+ # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
+ if test -f "$ac_aux_dir/mkinstalldirs"; then
+ mkdir_p='$(mkinstalldirs)'
+ else
+ mkdir_p='$(install_sh) -d'
+ fi
+fi
+AC_SUBST([mkdir_p])])
+
+# Helper functions for option handling. -*- Autoconf -*-
+
+# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 3
+
+# _AM_MANGLE_OPTION(NAME)
+# -----------------------
+AC_DEFUN([_AM_MANGLE_OPTION],
+[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
+
+# _AM_SET_OPTION(NAME)
+# ------------------------------
+# Set option NAME. Presently that only means defining a flag for this option.
+AC_DEFUN([_AM_SET_OPTION],
+[m4_define(_AM_MANGLE_OPTION([$1]), 1)])
+
+# _AM_SET_OPTIONS(OPTIONS)
+# ----------------------------------
+# OPTIONS is a space-separated list of Automake options.
+AC_DEFUN([_AM_SET_OPTIONS],
+[AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
+
+# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
+# -------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+AC_DEFUN([_AM_IF_OPTION],
+[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
+
+# Check to make sure that the build environment is sane. -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 4
+
+# AM_SANITY_CHECK
+# ---------------
+AC_DEFUN([AM_SANITY_CHECK],
+[AC_MSG_CHECKING([whether build environment is sane])
+# Just in case
+sleep 1
+echo timestamp > conftest.file
+# Do `set' in a subshell so we don't clobber the current shell's
+# arguments. Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+ set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
+ if test "$[*]" = "X"; then
+ # -L didn't work.
+ set X `ls -t $srcdir/configure conftest.file`
+ fi
+ rm -f conftest.file
+ if test "$[*]" != "X $srcdir/configure conftest.file" \
+ && test "$[*]" != "X conftest.file $srcdir/configure"; then
+
+ # If neither matched, then we have a broken ls. This can happen
+ # if, for instance, CONFIG_SHELL is bash and it inherits a
+ # broken ls alias from the environment. This has actually
+ # happened. Such a system could not be considered "sane".
+ AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
+alias in your environment])
+ fi
+
+ test "$[2]" = conftest.file
+ )
+then
+ # Ok.
+ :
+else
+ AC_MSG_ERROR([newly created file is older than distributed files!
+Check your system clock])
+fi
+AC_MSG_RESULT(yes)])
+
+# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_STRIP
+# ---------------------
+# One issue with vendor `install' (even GNU) is that you can't
+# specify the program used to strip binaries. This is especially
+# annoying in cross-compiling environments, where the build's strip
+# is unlikely to handle the host's binaries.
+# Fortunately install-sh will honor a STRIPPROG variable, so we
+# always use install-sh in `make install-strip', and initialize
+# STRIPPROG with the value of the STRIP variable (set by the user).
+AC_DEFUN([AM_PROG_INSTALL_STRIP],
+[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+# Installed binaries are usually stripped using `strip' when the user
+# run `make install-strip'. However `strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the `STRIP' environment variable to overrule this program.
+dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
+if test "$cross_compiling" != no; then
+ AC_CHECK_TOOL([STRIP], [strip], :)
+fi
+INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
+AC_SUBST([INSTALL_STRIP_PROGRAM])])
+
+# Check how to create a tarball. -*- Autoconf -*-
+
+# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 2
+
+# _AM_PROG_TAR(FORMAT)
+# --------------------
+# Check how to create a tarball in format FORMAT.
+# FORMAT should be one of `v7', `ustar', or `pax'.
+#
+# Substitute a variable $(am__tar) that is a command
+# writing to stdout a FORMAT-tarball containing the directory
+# $tardir.
+# tardir=directory && $(am__tar) > result.tar
+#
+# Substitute a variable $(am__untar) that extract such
+# a tarball read from stdin.
+# $(am__untar) < result.tar
+AC_DEFUN([_AM_PROG_TAR],
+[# Always define AMTAR for backward compatibility.
+AM_MISSING_PROG([AMTAR], [tar])
+m4_if([$1], [v7],
+ [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
+ [m4_case([$1], [ustar],, [pax],,
+ [m4_fatal([Unknown tar format])])
+AC_MSG_CHECKING([how to create a $1 tar archive])
+# Loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
+_am_tools=${am_cv_prog_tar_$1-$_am_tools}
+# Do not fold the above two line into one, because Tru64 sh and
+# Solaris sh will not grok spaces in the rhs of `-'.
+for _am_tool in $_am_tools
+do
+ case $_am_tool in
+ gnutar)
+ for _am_tar in tar gnutar gtar;
+ do
+ AM_RUN_LOG([$_am_tar --version]) && break
+ done
+ am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+ am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+ am__untar="$_am_tar -xf -"
+ ;;
+ plaintar)
+ # Must skip GNU tar: if it does not support --format= it doesn't create
+ # ustar tarball either.
+ (tar --version) >/dev/null 2>&1 && continue
+ am__tar='tar chf - "$$tardir"'
+ am__tar_='tar chf - "$tardir"'
+ am__untar='tar xf -'
+ ;;
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+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
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+# with or without modifications, as long as this notice is preserved.
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+# This program is distributed in the hope that it will be useful,
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+ esac; \
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+ dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test "$$dir" != "$$file" && test "$$dir" != "."; then \
+ dir="/$$dir"; \
+ $(mkdir_p) "$(distdir)$$dir"; \
+ else \
+ dir=''; \
+ fi; \
+ if test -d $$d/$$file; then \
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+ else \
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+ || cp -p $$d/$$file $(distdir)/$$file \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
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+install-exec: install-exec-am
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+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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+
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+ mostlyclean-libtool pdf pdf-am ps ps-am uninstall uninstall-am \
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+# -*-makefile-*-
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+.PRECIOUS: %.i
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+ -grep -v -e "^#" -e "^ *$$" $^ | indent > $@
+ mv -f $@ $^
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+# Otherwise a system limit (for SysV at least) may be exceeded.
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--- /dev/null
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+#
+# The order needs to be that. If autoheader does not run after
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+#
+# $Id: aaaa,v 1.1.1.1 2002/08/06 22:31:05 inaky Exp $
+
+
+set -ex
+
+aclocal
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+autoheader
+# Set GNU strictness
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+#! /bin/sh
+# Wrapper for compilers which do not understand `-c -o'.
+
+scriptversion=2005-05-14.22
+
+# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey@cygnus.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+case $1 in
+ '')
+ echo "$0: No command. Try \`$0 --help' for more information." 1>&2
+ exit 1;
+ ;;
+ -h | --h*)
+ cat <<\EOF
+Usage: compile [--help] [--version] PROGRAM [ARGS]
+
+Wrapper for compilers which do not understand `-c -o'.
+Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
+arguments, and rename the output as expected.
+
+If you are trying to build a whole package this is not the
+right script to run: please start by reading the file `INSTALL'.
+
+Report bugs to <bug-automake@gnu.org>.
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+ exit $?
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+ eat=
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+ case $1 in
+ -o)
+ # configure might choose to run compile as `compile cc -o foo foo.c'.
+ # So we strip `-o arg' only if arg is an object.
+ eat=1
+ case $2 in
+ *.o | *.obj)
+ ofile=$2
+ ;;
+ *)
+ set x "$@" -o "$2"
+ shift
+ ;;
+ esac
+ ;;
+ *.c)
+ cfile=$1
+ set x "$@" "$1"
+ shift
+ ;;
+ *)
+ set x "$@" "$1"
+ shift
+ ;;
+ esac
+ fi
+ shift
+done
+
+if test -z "$ofile" || test -z "$cfile"; then
+ # If no `-o' option was seen then we might have been invoked from a
+ # pattern rule where we don't need one. That is ok -- this is a
+ # normal compilation that the losing compiler can handle. If no
+ # `.c' file was seen then we are probably linking. That is also
+ # ok.
+ exec "$@"
+fi
+
+# Name of file we expect compiler to create.
+cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
+
+# Create the lock directory.
+# Note: use `[/.-]' here to ensure that we don't use the same name
+# that we are using for the .o file. Also, base the name on the expected
+# object file name, since that is what matters with a parallel build.
+lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
+while true; do
+ if mkdir "$lockdir" >/dev/null 2>&1; then
+ break
+ fi
+ sleep 1
+done
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir '$lockdir'; exit 1" 1 2 15
+
+# Run the compile.
+"$@"
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+
+if test -f "$cofile"; then
+ mv "$cofile" "$ofile"
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+ mv "${cofile}bj" "$ofile"
+fi
+
+rmdir "$lockdir"
+exit $ret
+
+# Local Variables:
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+# sh-indentation: 2
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+# time-stamp-start: "scriptversion="
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+# time-stamp-end: "$"
+# End:
--- /dev/null
+#! /bin/sh
+# Attempt to guess a canonical system name.
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+# 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation,
+# Inc.
+
+timestamp='2007-07-22'
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+
+# Originally written by Per Bothner <per@bothner.com>.
+# Please send patches to <config-patches@gnu.org>. Submit a context
+# diff and a properly formatted ChangeLog entry.
+#
+# This script attempts to guess a canonical system name similar to
+# config.sub. If it succeeds, it prints the system name on stdout, and
+# exits with 0. Otherwise, it exits with 1.
+#
+# The plan is that this can be called by configure scripts if you
+# don't specify an explicit build system type.
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION]
+
+Output the configuration name of the system \`$me' is run on.
+
+Operation modes:
+ -h, --help print this help, then exit
+ -t, --time-stamp print date of last modification, then exit
+ -v, --version print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.guess ($timestamp)
+
+Originally written by Per Bothner.
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions. There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
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+ case $1 in
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+ echo "$timestamp" ; exit ;;
+ --version | -v )
+ echo "$version" ; exit ;;
+ --help | --h* | -h )
+ echo "$usage"; exit ;;
+ -- ) # Stop option processing
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+ - ) # Use stdin as input.
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+ -* )
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+ exit 1 ;;
+ * )
+ break ;;
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+if test $# != 0; then
+ echo "$me: too many arguments$help" >&2
+ exit 1
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+
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+# CC_FOR_BUILD -- compiler used by this script. Note that the use of a
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+: ${TMPDIR=/tmp} ;
+ { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
+ { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
+ { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+ { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
+dummy=$tmp/dummy ;
+tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
+case $CC_FOR_BUILD,$HOST_CC,$CC in
+ ,,) echo "int x;" > $dummy.c ;
+ for c in cc gcc c89 c99 ; do
+ if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then
+ CC_FOR_BUILD="$c"; break ;
+ fi ;
+ done ;
+ if test x"$CC_FOR_BUILD" = x ; then
+ CC_FOR_BUILD=no_compiler_found ;
+ fi
+ ;;
+ ,,*) CC_FOR_BUILD=$CC ;;
+ ,*,*) CC_FOR_BUILD=$HOST_CC ;;
+esac ; set_cc_for_build= ;'
+
+# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
+# (ghazi@noc.rutgers.edu 1994-08-24)
+if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
+ PATH=$PATH:/.attbin ; export PATH
+fi
+
+UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
+UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
+UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
+UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
+
+# Note: order is significant - the case branches are not exclusive.
+
+case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
+ *:NetBSD:*:*)
+ # NetBSD (nbsd) targets should (where applicable) match one or
+ # more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*,
+ # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently
+ # switched to ELF, *-*-netbsd* would select the old
+ # object file format. This provides both forward
+ # compatibility and a consistent mechanism for selecting the
+ # object file format.
+ #
+ # Note: NetBSD doesn't particularly care about the vendor
+ # portion of the name. We always set it to "unknown".
+ sysctl="sysctl -n hw.machine_arch"
+ UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \
+ /usr/sbin/$sysctl 2>/dev/null || echo unknown)`
+ case "${UNAME_MACHINE_ARCH}" in
+ armeb) machine=armeb-unknown ;;
+ arm*) machine=arm-unknown ;;
+ sh3el) machine=shl-unknown ;;
+ sh3eb) machine=sh-unknown ;;
+ sh5el) machine=sh5le-unknown ;;
+ *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
+ esac
+ # The Operating System including object format, if it has switched
+ # to ELF recently, or will in the future.
+ case "${UNAME_MACHINE_ARCH}" in
+ arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+ eval $set_cc_for_build
+ if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+ | grep __ELF__ >/dev/null
+ then
+ # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
+ # Return netbsd for either. FIX?
+ os=netbsd
+ else
+ os=netbsdelf
+ fi
+ ;;
+ *)
+ os=netbsd
+ ;;
+ esac
+ # The OS release
+ # Debian GNU/NetBSD machines have a different userland, and
+ # thus, need a distinct triplet. However, they do not need
+ # kernel version information, so it can be replaced with a
+ # suitable tag, in the style of linux-gnu.
+ case "${UNAME_VERSION}" in
+ Debian*)
+ release='-gnu'
+ ;;
+ *)
+ release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+ ;;
+ esac
+ # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
+ # contains redundant information, the shorter form:
+ # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+ echo "${machine}-${os}${release}"
+ exit ;;
+ *:OpenBSD:*:*)
+ UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+ echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
+ exit ;;
+ *:ekkoBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
+ exit ;;
+ *:SolidBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE}
+ exit ;;
+ macppc:MirBSD:*:*)
+ echo powerpc-unknown-mirbsd${UNAME_RELEASE}
+ exit ;;
+ *:MirBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
+ exit ;;
+ alpha:OSF1:*:*)
+ case $UNAME_RELEASE in
+ *4.0)
+ UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+ ;;
+ *5.*)
+ UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+ ;;
+ esac
+ # According to Compaq, /usr/sbin/psrinfo has been available on
+ # OSF/1 and Tru64 systems produced since 1995. I hope that
+ # covers most systems running today. This code pipes the CPU
+ # types through head -n 1, so we only detect the type of CPU 0.
+ ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1`
+ case "$ALPHA_CPU_TYPE" in
+ "EV4 (21064)")
+ UNAME_MACHINE="alpha" ;;
+ "EV4.5 (21064)")
+ UNAME_MACHINE="alpha" ;;
+ "LCA4 (21066/21068)")
+ UNAME_MACHINE="alpha" ;;
+ "EV5 (21164)")
+ UNAME_MACHINE="alphaev5" ;;
+ "EV5.6 (21164A)")
+ UNAME_MACHINE="alphaev56" ;;
+ "EV5.6 (21164PC)")
+ UNAME_MACHINE="alphapca56" ;;
+ "EV5.7 (21164PC)")
+ UNAME_MACHINE="alphapca57" ;;
+ "EV6 (21264)")
+ UNAME_MACHINE="alphaev6" ;;
+ "EV6.7 (21264A)")
+ UNAME_MACHINE="alphaev67" ;;
+ "EV6.8CB (21264C)")
+ UNAME_MACHINE="alphaev68" ;;
+ "EV6.8AL (21264B)")
+ UNAME_MACHINE="alphaev68" ;;
+ "EV6.8CX (21264D)")
+ UNAME_MACHINE="alphaev68" ;;
+ "EV6.9A (21264/EV69A)")
+ UNAME_MACHINE="alphaev69" ;;
+ "EV7 (21364)")
+ UNAME_MACHINE="alphaev7" ;;
+ "EV7.9 (21364A)")
+ UNAME_MACHINE="alphaev79" ;;
+ esac
+ # A Pn.n version is a patched version.
+ # A Vn.n version is a released version.
+ # A Tn.n version is a released field test version.
+ # A Xn.n version is an unreleased experimental baselevel.
+ # 1.2 uses "1.2" for uname -r.
+ echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+ exit ;;
+ Alpha\ *:Windows_NT*:*)
+ # How do we know it's Interix rather than the generic POSIX subsystem?
+ # Should we change UNAME_MACHINE based on the output of uname instead
+ # of the specific Alpha model?
+ echo alpha-pc-interix
+ exit ;;
+ 21064:Windows_NT:50:3)
+ echo alpha-dec-winnt3.5
+ exit ;;
+ Amiga*:UNIX_System_V:4.0:*)
+ echo m68k-unknown-sysv4
+ exit ;;
+ *:[Aa]miga[Oo][Ss]:*:*)
+ echo ${UNAME_MACHINE}-unknown-amigaos
+ exit ;;
+ *:[Mm]orph[Oo][Ss]:*:*)
+ echo ${UNAME_MACHINE}-unknown-morphos
+ exit ;;
+ *:OS/390:*:*)
+ echo i370-ibm-openedition
+ exit ;;
+ *:z/VM:*:*)
+ echo s390-ibm-zvmoe
+ exit ;;
+ *:OS400:*:*)
+ echo powerpc-ibm-os400
+ exit ;;
+ arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
+ echo arm-acorn-riscix${UNAME_RELEASE}
+ exit ;;
+ arm:riscos:*:*|arm:RISCOS:*:*)
+ echo arm-unknown-riscos
+ exit ;;
+ SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
+ echo hppa1.1-hitachi-hiuxmpp
+ exit ;;
+ Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
+ # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
+ if test "`(/bin/universe) 2>/dev/null`" = att ; then
+ echo pyramid-pyramid-sysv3
+ else
+ echo pyramid-pyramid-bsd
+ fi
+ exit ;;
+ NILE*:*:*:dcosx)
+ echo pyramid-pyramid-svr4
+ exit ;;
+ DRS?6000:unix:4.0:6*)
+ echo sparc-icl-nx6
+ exit ;;
+ DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
+ case `/usr/bin/uname -p` in
+ sparc) echo sparc-icl-nx7; exit ;;
+ esac ;;
+ sun4H:SunOS:5.*:*)
+ echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
+ echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
+ echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ sun4*:SunOS:6*:*)
+ # According to config.sub, this is the proper way to canonicalize
+ # SunOS6. Hard to guess exactly what SunOS6 will be like, but
+ # it's likely to be more like Solaris than SunOS4.
+ echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ sun4*:SunOS:*:*)
+ case "`/usr/bin/arch -k`" in
+ Series*|S4*)
+ UNAME_RELEASE=`uname -v`
+ ;;
+ esac
+ # Japanese Language versions have a version number like `4.1.3-JL'.
+ echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
+ exit ;;
+ sun3*:SunOS:*:*)
+ echo m68k-sun-sunos${UNAME_RELEASE}
+ exit ;;
+ sun*:*:4.2BSD:*)
+ UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+ test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
+ case "`/bin/arch`" in
+ sun3)
+ echo m68k-sun-sunos${UNAME_RELEASE}
+ ;;
+ sun4)
+ echo sparc-sun-sunos${UNAME_RELEASE}
+ ;;
+ esac
+ exit ;;
+ aushp:SunOS:*:*)
+ echo sparc-auspex-sunos${UNAME_RELEASE}
+ exit ;;
+ # The situation for MiNT is a little confusing. The machine name
+ # can be virtually everything (everything which is not
+ # "atarist" or "atariste" at least should have a processor
+ # > m68000). The system name ranges from "MiNT" over "FreeMiNT"
+ # to the lowercase version "mint" (or "freemint"). Finally
+ # the system name "TOS" denotes a system which is actually not
+ # MiNT. But MiNT is downward compatible to TOS, so this should
+ # be no problem.
+ atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
+ echo m68k-atari-mint${UNAME_RELEASE}
+ exit ;;
+ atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
+ echo m68k-atari-mint${UNAME_RELEASE}
+ exit ;;
+ *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
+ echo m68k-atari-mint${UNAME_RELEASE}
+ exit ;;
+ milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
+ echo m68k-milan-mint${UNAME_RELEASE}
+ exit ;;
+ hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
+ echo m68k-hades-mint${UNAME_RELEASE}
+ exit ;;
+ *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
+ echo m68k-unknown-mint${UNAME_RELEASE}
+ exit ;;
+ m68k:machten:*:*)
+ echo m68k-apple-machten${UNAME_RELEASE}
+ exit ;;
+ powerpc:machten:*:*)
+ echo powerpc-apple-machten${UNAME_RELEASE}
+ exit ;;
+ RISC*:Mach:*:*)
+ echo mips-dec-mach_bsd4.3
+ exit ;;
+ RISC*:ULTRIX:*:*)
+ echo mips-dec-ultrix${UNAME_RELEASE}
+ exit ;;
+ VAX*:ULTRIX*:*:*)
+ echo vax-dec-ultrix${UNAME_RELEASE}
+ exit ;;
+ 2020:CLIX:*:* | 2430:CLIX:*:*)
+ echo clipper-intergraph-clix${UNAME_RELEASE}
+ exit ;;
+ mips:*:*:UMIPS | mips:*:*:RISCos)
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+#ifdef __cplusplus
+#include <stdio.h> /* for printf() prototype */
+ int main (int argc, char *argv[]) {
+#else
+ int main (argc, argv) int argc; char *argv[]; {
+#endif
+ #if defined (host_mips) && defined (MIPSEB)
+ #if defined (SYSTYPE_SYSV)
+ printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
+ #endif
+ #if defined (SYSTYPE_SVR4)
+ printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
+ #endif
+ #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
+ printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
+ #endif
+ #endif
+ exit (-1);
+ }
+EOF
+ $CC_FOR_BUILD -o $dummy $dummy.c &&
+ dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` &&
+ SYSTEM_NAME=`$dummy $dummyarg` &&
+ { echo "$SYSTEM_NAME"; exit; }
+ echo mips-mips-riscos${UNAME_RELEASE}
+ exit ;;
+ Motorola:PowerMAX_OS:*:*)
+ echo powerpc-motorola-powermax
+ exit ;;
+ Motorola:*:4.3:PL8-*)
+ echo powerpc-harris-powermax
+ exit ;;
+ Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
+ echo powerpc-harris-powermax
+ exit ;;
+ Night_Hawk:Power_UNIX:*:*)
+ echo powerpc-harris-powerunix
+ exit ;;
+ m88k:CX/UX:7*:*)
+ echo m88k-harris-cxux7
+ exit ;;
+ m88k:*:4*:R4*)
+ echo m88k-motorola-sysv4
+ exit ;;
+ m88k:*:3*:R3*)
+ echo m88k-motorola-sysv3
+ exit ;;
+ AViiON:dgux:*:*)
+ # DG/UX returns AViiON for all architectures
+ UNAME_PROCESSOR=`/usr/bin/uname -p`
+ if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
+ then
+ if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+ [ ${TARGET_BINARY_INTERFACE}x = x ]
+ then
+ echo m88k-dg-dgux${UNAME_RELEASE}
+ else
+ echo m88k-dg-dguxbcs${UNAME_RELEASE}
+ fi
+ else
+ echo i586-dg-dgux${UNAME_RELEASE}
+ fi
+ exit ;;
+ M88*:DolphinOS:*:*) # DolphinOS (SVR3)
+ echo m88k-dolphin-sysv3
+ exit ;;
+ M88*:*:R3*:*)
+ # Delta 88k system running SVR3
+ echo m88k-motorola-sysv3
+ exit ;;
+ XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
+ echo m88k-tektronix-sysv3
+ exit ;;
+ Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
+ echo m68k-tektronix-bsd
+ exit ;;
+ *:IRIX*:*:*)
+ echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
+ exit ;;
+ ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
+ echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id
+ exit ;; # Note that: echo "'`uname -s`'" gives 'AIX '
+ i*86:AIX:*:*)
+ echo i386-ibm-aix
+ exit ;;
+ ia64:AIX:*:*)
+ if [ -x /usr/bin/oslevel ] ; then
+ IBM_REV=`/usr/bin/oslevel`
+ else
+ IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+ fi
+ echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
+ exit ;;
+ *:AIX:2:3)
+ if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #include <sys/systemcfg.h>
+
+ main()
+ {
+ if (!__power_pc())
+ exit(1);
+ puts("powerpc-ibm-aix3.2.5");
+ exit(0);
+ }
+EOF
+ if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy`
+ then
+ echo "$SYSTEM_NAME"
+ else
+ echo rs6000-ibm-aix3.2.5
+ fi
+ elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
+ echo rs6000-ibm-aix3.2.4
+ else
+ echo rs6000-ibm-aix3.2
+ fi
+ exit ;;
+ *:AIX:*:[45])
+ IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+ if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
+ IBM_ARCH=rs6000
+ else
+ IBM_ARCH=powerpc
+ fi
+ if [ -x /usr/bin/oslevel ] ; then
+ IBM_REV=`/usr/bin/oslevel`
+ else
+ IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+ fi
+ echo ${IBM_ARCH}-ibm-aix${IBM_REV}
+ exit ;;
+ *:AIX:*:*)
+ echo rs6000-ibm-aix
+ exit ;;
+ ibmrt:4.4BSD:*|romp-ibm:BSD:*)
+ echo romp-ibm-bsd4.4
+ exit ;;
+ ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and
+ echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to
+ exit ;; # report: romp-ibm BSD 4.3
+ *:BOSX:*:*)
+ echo rs6000-bull-bosx
+ exit ;;
+ DPX/2?00:B.O.S.:*:*)
+ echo m68k-bull-sysv3
+ exit ;;
+ 9000/[34]??:4.3bsd:1.*:*)
+ echo m68k-hp-bsd
+ exit ;;
+ hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
+ echo m68k-hp-bsd4.4
+ exit ;;
+ 9000/[34678]??:HP-UX:*:*)
+ HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+ case "${UNAME_MACHINE}" in
+ 9000/31? ) HP_ARCH=m68000 ;;
+ 9000/[34]?? ) HP_ARCH=m68k ;;
+ 9000/[678][0-9][0-9])
+ if [ -x /usr/bin/getconf ]; then
+ sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
+ sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
+ case "${sc_cpu_version}" in
+ 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
+ 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
+ 532) # CPU_PA_RISC2_0
+ case "${sc_kernel_bits}" in
+ 32) HP_ARCH="hppa2.0n" ;;
+ 64) HP_ARCH="hppa2.0w" ;;
+ '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20
+ esac ;;
+ esac
+ fi
+ if [ "${HP_ARCH}" = "" ]; then
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+
+ #define _HPUX_SOURCE
+ #include <stdlib.h>
+ #include <unistd.h>
+
+ int main ()
+ {
+ #if defined(_SC_KERNEL_BITS)
+ long bits = sysconf(_SC_KERNEL_BITS);
+ #endif
+ long cpu = sysconf (_SC_CPU_VERSION);
+
+ switch (cpu)
+ {
+ case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+ case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+ case CPU_PA_RISC2_0:
+ #if defined(_SC_KERNEL_BITS)
+ switch (bits)
+ {
+ case 64: puts ("hppa2.0w"); break;
+ case 32: puts ("hppa2.0n"); break;
+ default: puts ("hppa2.0"); break;
+ } break;
+ #else /* !defined(_SC_KERNEL_BITS) */
+ puts ("hppa2.0"); break;
+ #endif
+ default: puts ("hppa1.0"); break;
+ }
+ exit (0);
+ }
+EOF
+ (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
+ test -z "$HP_ARCH" && HP_ARCH=hppa
+ fi ;;
+ esac
+ if [ ${HP_ARCH} = "hppa2.0w" ]
+ then
+ eval $set_cc_for_build
+
+ # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
+ # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler
+ # generating 64-bit code. GNU and HP use different nomenclature:
+ #
+ # $ CC_FOR_BUILD=cc ./config.guess
+ # => hppa2.0w-hp-hpux11.23
+ # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
+ # => hppa64-hp-hpux11.23
+
+ if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
+ grep __LP64__ >/dev/null
+ then
+ HP_ARCH="hppa2.0w"
+ else
+ HP_ARCH="hppa64"
+ fi
+ fi
+ echo ${HP_ARCH}-hp-hpux${HPUX_REV}
+ exit ;;
+ ia64:HP-UX:*:*)
+ HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+ echo ia64-hp-hpux${HPUX_REV}
+ exit ;;
+ 3050*:HI-UX:*:*)
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #include <unistd.h>
+ int
+ main ()
+ {
+ long cpu = sysconf (_SC_CPU_VERSION);
+ /* The order matters, because CPU_IS_HP_MC68K erroneously returns
+ true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct
+ results, however. */
+ if (CPU_IS_PA_RISC (cpu))
+ {
+ switch (cpu)
+ {
+ case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
+ case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
+ case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
+ default: puts ("hppa-hitachi-hiuxwe2"); break;
+ }
+ }
+ else if (CPU_IS_HP_MC68K (cpu))
+ puts ("m68k-hitachi-hiuxwe2");
+ else puts ("unknown-hitachi-hiuxwe2");
+ exit (0);
+ }
+EOF
+ $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` &&
+ { echo "$SYSTEM_NAME"; exit; }
+ echo unknown-hitachi-hiuxwe2
+ exit ;;
+ 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
+ echo hppa1.1-hp-bsd
+ exit ;;
+ 9000/8??:4.3bsd:*:*)
+ echo hppa1.0-hp-bsd
+ exit ;;
+ *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
+ echo hppa1.0-hp-mpeix
+ exit ;;
+ hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
+ echo hppa1.1-hp-osf
+ exit ;;
+ hp8??:OSF1:*:*)
+ echo hppa1.0-hp-osf
+ exit ;;
+ i*86:OSF1:*:*)
+ if [ -x /usr/sbin/sysversion ] ; then
+ echo ${UNAME_MACHINE}-unknown-osf1mk
+ else
+ echo ${UNAME_MACHINE}-unknown-osf1
+ fi
+ exit ;;
+ parisc*:Lites*:*:*)
+ echo hppa1.1-hp-lites
+ exit ;;
+ C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
+ echo c1-convex-bsd
+ exit ;;
+ C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
+ if getsysinfo -f scalar_acc
+ then echo c32-convex-bsd
+ else echo c2-convex-bsd
+ fi
+ exit ;;
+ C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
+ echo c34-convex-bsd
+ exit ;;
+ C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
+ echo c38-convex-bsd
+ exit ;;
+ C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
+ echo c4-convex-bsd
+ exit ;;
+ CRAY*Y-MP:*:*:*)
+ echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit ;;
+ CRAY*[A-Z]90:*:*:*)
+ echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
+ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
+ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
+ -e 's/\.[^.]*$/.X/'
+ exit ;;
+ CRAY*TS:*:*:*)
+ echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit ;;
+ CRAY*T3E:*:*:*)
+ echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit ;;
+ CRAY*SV1:*:*:*)
+ echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit ;;
+ *:UNICOS/mp:*:*)
+ echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit ;;
+ F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
+ FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+ FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+ FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
+ echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+ exit ;;
+ 5000:UNIX_System_V:4.*:*)
+ FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+ FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
+ echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+ exit ;;
+ i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
+ echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
+ exit ;;
+ sparc*:BSD/OS:*:*)
+ echo sparc-unknown-bsdi${UNAME_RELEASE}
+ exit ;;
+ *:BSD/OS:*:*)
+ echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
+ exit ;;
+ *:FreeBSD:*:*)
+ case ${UNAME_MACHINE} in
+ pc98)
+ echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+ amd64)
+ echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+ *)
+ echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+ esac
+ exit ;;
+ i*:CYGWIN*:*)
+ echo ${UNAME_MACHINE}-pc-cygwin
+ exit ;;
+ *:MINGW*:*)
+ echo ${UNAME_MACHINE}-pc-mingw32
+ exit ;;
+ i*:windows32*:*)
+ # uname -m includes "-pc" on this system.
+ echo ${UNAME_MACHINE}-mingw32
+ exit ;;
+ i*:PW*:*)
+ echo ${UNAME_MACHINE}-pc-pw32
+ exit ;;
+ *:Interix*:[3456]*)
+ case ${UNAME_MACHINE} in
+ x86)
+ echo i586-pc-interix${UNAME_RELEASE}
+ exit ;;
+ EM64T | authenticamd)
+ echo x86_64-unknown-interix${UNAME_RELEASE}
+ exit ;;
+ esac ;;
+ [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
+ echo i${UNAME_MACHINE}-pc-mks
+ exit ;;
+ i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
+ # How do we know it's Interix rather than the generic POSIX subsystem?
+ # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
+ # UNAME_MACHINE based on the output of uname instead of i386?
+ echo i586-pc-interix
+ exit ;;
+ i*:UWIN*:*)
+ echo ${UNAME_MACHINE}-pc-uwin
+ exit ;;
+ amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
+ echo x86_64-unknown-cygwin
+ exit ;;
+ p*:CYGWIN*:*)
+ echo powerpcle-unknown-cygwin
+ exit ;;
+ prep*:SunOS:5.*:*)
+ echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ *:GNU:*:*)
+ # the GNU system
+ echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
+ exit ;;
+ *:GNU/*:*:*)
+ # other systems with GNU libc and userland
+ echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu
+ exit ;;
+ i*86:Minix:*:*)
+ echo ${UNAME_MACHINE}-pc-minix
+ exit ;;
+ arm*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ avr32*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ cris:Linux:*:*)
+ echo cris-axis-linux-gnu
+ exit ;;
+ crisv32:Linux:*:*)
+ echo crisv32-axis-linux-gnu
+ exit ;;
+ frv:Linux:*:*)
+ echo frv-unknown-linux-gnu
+ exit ;;
+ ia64:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ m32r*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ m68*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ mips:Linux:*:*)
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #undef CPU
+ #undef mips
+ #undef mipsel
+ #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+ CPU=mipsel
+ #else
+ #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+ CPU=mips
+ #else
+ CPU=
+ #endif
+ #endif
+EOF
+ eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
+ /^CPU/{
+ s: ::g
+ p
+ }'`"
+ test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
+ ;;
+ mips64:Linux:*:*)
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #undef CPU
+ #undef mips64
+ #undef mips64el
+ #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+ CPU=mips64el
+ #else
+ #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+ CPU=mips64
+ #else
+ CPU=
+ #endif
+ #endif
+EOF
+ eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
+ /^CPU/{
+ s: ::g
+ p
+ }'`"
+ test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
+ ;;
+ or32:Linux:*:*)
+ echo or32-unknown-linux-gnu
+ exit ;;
+ ppc:Linux:*:*)
+ echo powerpc-unknown-linux-gnu
+ exit ;;
+ ppc64:Linux:*:*)
+ echo powerpc64-unknown-linux-gnu
+ exit ;;
+ alpha:Linux:*:*)
+ case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+ EV5) UNAME_MACHINE=alphaev5 ;;
+ EV56) UNAME_MACHINE=alphaev56 ;;
+ PCA56) UNAME_MACHINE=alphapca56 ;;
+ PCA57) UNAME_MACHINE=alphapca56 ;;
+ EV6) UNAME_MACHINE=alphaev6 ;;
+ EV67) UNAME_MACHINE=alphaev67 ;;
+ EV68*) UNAME_MACHINE=alphaev68 ;;
+ esac
+ objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null
+ if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
+ echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
+ exit ;;
+ parisc:Linux:*:* | hppa:Linux:*:*)
+ # Look for CPU level
+ case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
+ PA7*) echo hppa1.1-unknown-linux-gnu ;;
+ PA8*) echo hppa2.0-unknown-linux-gnu ;;
+ *) echo hppa-unknown-linux-gnu ;;
+ esac
+ exit ;;
+ parisc64:Linux:*:* | hppa64:Linux:*:*)
+ echo hppa64-unknown-linux-gnu
+ exit ;;
+ s390:Linux:*:* | s390x:Linux:*:*)
+ echo ${UNAME_MACHINE}-ibm-linux
+ exit ;;
+ sh64*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ sh*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ sparc:Linux:*:* | sparc64:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ vax:Linux:*:*)
+ echo ${UNAME_MACHINE}-dec-linux-gnu
+ exit ;;
+ x86_64:Linux:*:*)
+ echo x86_64-unknown-linux-gnu
+ exit ;;
+ xtensa:Linux:*:*)
+ echo xtensa-unknown-linux-gnu
+ exit ;;
+ i*86:Linux:*:*)
+ # The BFD linker knows what the default object file format is, so
+ # first see if it will tell us. cd to the root directory to prevent
+ # problems with other programs or directories called `ld' in the path.
+ # Set LC_ALL=C to ensure ld outputs messages in English.
+ ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \
+ | sed -ne '/supported targets:/!d
+ s/[ ][ ]*/ /g
+ s/.*supported targets: *//
+ s/ .*//
+ p'`
+ case "$ld_supported_targets" in
+ elf32-i386)
+ TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu"
+ ;;
+ a.out-i386-linux)
+ echo "${UNAME_MACHINE}-pc-linux-gnuaout"
+ exit ;;
+ coff-i386)
+ echo "${UNAME_MACHINE}-pc-linux-gnucoff"
+ exit ;;
+ "")
+ # Either a pre-BFD a.out linker (linux-gnuoldld) or
+ # one that does not give us useful --help.
+ echo "${UNAME_MACHINE}-pc-linux-gnuoldld"
+ exit ;;
+ esac
+ # Determine whether the default compiler is a.out or elf
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #include <features.h>
+ #ifdef __ELF__
+ # ifdef __GLIBC__
+ # if __GLIBC__ >= 2
+ LIBC=gnu
+ # else
+ LIBC=gnulibc1
+ # endif
+ # else
+ LIBC=gnulibc1
+ # endif
+ #else
+ #if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
+ LIBC=gnu
+ #else
+ LIBC=gnuaout
+ #endif
+ #endif
+ #ifdef __dietlibc__
+ LIBC=dietlibc
+ #endif
+EOF
+ eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
+ /^LIBC/{
+ s: ::g
+ p
+ }'`"
+ test x"${LIBC}" != x && {
+ echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
+ exit
+ }
+ test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; exit; }
+ ;;
+ i*86:DYNIX/ptx:4*:*)
+ # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
+ # earlier versions are messed up and put the nodename in both
+ # sysname and nodename.
+ echo i386-sequent-sysv4
+ exit ;;
+ i*86:UNIX_SV:4.2MP:2.*)
+ # Unixware is an offshoot of SVR4, but it has its own version
+ # number series starting with 2...
+ # I am not positive that other SVR4 systems won't match this,
+ # I just have to hope. -- rms.
+ # Use sysv4.2uw... so that sysv4* matches it.
+ echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
+ exit ;;
+ i*86:OS/2:*:*)
+ # If we were able to find `uname', then EMX Unix compatibility
+ # is probably installed.
+ echo ${UNAME_MACHINE}-pc-os2-emx
+ exit ;;
+ i*86:XTS-300:*:STOP)
+ echo ${UNAME_MACHINE}-unknown-stop
+ exit ;;
+ i*86:atheos:*:*)
+ echo ${UNAME_MACHINE}-unknown-atheos
+ exit ;;
+ i*86:syllable:*:*)
+ echo ${UNAME_MACHINE}-pc-syllable
+ exit ;;
+ i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*)
+ echo i386-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+ i*86:*DOS:*:*)
+ echo ${UNAME_MACHINE}-pc-msdosdjgpp
+ exit ;;
+ i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
+ UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
+ if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
+ echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
+ else
+ echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
+ fi
+ exit ;;
+ i*86:*:5:[678]*)
+ # UnixWare 7.x, OpenUNIX and OpenServer 6.
+ case `/bin/uname -X | grep "^Machine"` in
+ *486*) UNAME_MACHINE=i486 ;;
+ *Pentium) UNAME_MACHINE=i586 ;;
+ *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
+ esac
+ echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
+ exit ;;
+ i*86:*:3.2:*)
+ if test -f /usr/options/cb.name; then
+ UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
+ echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
+ elif /bin/uname -X 2>/dev/null >/dev/null ; then
+ UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
+ (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
+ (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
+ && UNAME_MACHINE=i586
+ (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
+ && UNAME_MACHINE=i686
+ (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
+ && UNAME_MACHINE=i686
+ echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
+ else
+ echo ${UNAME_MACHINE}-pc-sysv32
+ fi
+ exit ;;
+ pc:*:*:*)
+ # Left here for compatibility:
+ # uname -m prints for DJGPP always 'pc', but it prints nothing about
+ # the processor, so we play safe by assuming i386.
+ echo i386-pc-msdosdjgpp
+ exit ;;
+ Intel:Mach:3*:*)
+ echo i386-pc-mach3
+ exit ;;
+ paragon:*:*:*)
+ echo i860-intel-osf1
+ exit ;;
+ i860:*:4.*:*) # i860-SVR4
+ if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
+ echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
+ else # Add other i860-SVR4 vendors below as they are discovered.
+ echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4
+ fi
+ exit ;;
+ mini*:CTIX:SYS*5:*)
+ # "miniframe"
+ echo m68010-convergent-sysv
+ exit ;;
+ mc68k:UNIX:SYSTEM5:3.51m)
+ echo m68k-convergent-sysv
+ exit ;;
+ M680?0:D-NIX:5.3:*)
+ echo m68k-diab-dnix
+ exit ;;
+ M68*:*:R3V[5678]*:*)
+ test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
+ 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
+ OS_REL=''
+ test -r /etc/.relid \
+ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+ /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+ && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
+ /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
+ 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
+ /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+ && { echo i486-ncr-sysv4; exit; } ;;
+ m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
+ echo m68k-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+ mc68030:UNIX_System_V:4.*:*)
+ echo m68k-atari-sysv4
+ exit ;;
+ TSUNAMI:LynxOS:2.*:*)
+ echo sparc-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+ rs6000:LynxOS:2.*:*)
+ echo rs6000-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+ PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*)
+ echo powerpc-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+ SM[BE]S:UNIX_SV:*:*)
+ echo mips-dde-sysv${UNAME_RELEASE}
+ exit ;;
+ RM*:ReliantUNIX-*:*:*)
+ echo mips-sni-sysv4
+ exit ;;
+ RM*:SINIX-*:*:*)
+ echo mips-sni-sysv4
+ exit ;;
+ *:SINIX-*:*:*)
+ if uname -p 2>/dev/null >/dev/null ; then
+ UNAME_MACHINE=`(uname -p) 2>/dev/null`
+ echo ${UNAME_MACHINE}-sni-sysv4
+ else
+ echo ns32k-sni-sysv
+ fi
+ exit ;;
+ PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+ # says <Richard.M.Bartel@ccMail.Census.GOV>
+ echo i586-unisys-sysv4
+ exit ;;
+ *:UNIX_System_V:4*:FTX*)
+ # From Gerald Hewes <hewes@openmarket.com>.
+ # How about differentiating between stratus architectures? -djm
+ echo hppa1.1-stratus-sysv4
+ exit ;;
+ *:*:*:FTX*)
+ # From seanf@swdc.stratus.com.
+ echo i860-stratus-sysv4
+ exit ;;
+ i*86:VOS:*:*)
+ # From Paul.Green@stratus.com.
+ echo ${UNAME_MACHINE}-stratus-vos
+ exit ;;
+ *:VOS:*:*)
+ # From Paul.Green@stratus.com.
+ echo hppa1.1-stratus-vos
+ exit ;;
+ mc68*:A/UX:*:*)
+ echo m68k-apple-aux${UNAME_RELEASE}
+ exit ;;
+ news*:NEWS-OS:6*:*)
+ echo mips-sony-newsos6
+ exit ;;
+ R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
+ if [ -d /usr/nec ]; then
+ echo mips-nec-sysv${UNAME_RELEASE}
+ else
+ echo mips-unknown-sysv${UNAME_RELEASE}
+ fi
+ exit ;;
+ BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only.
+ echo powerpc-be-beos
+ exit ;;
+ BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only.
+ echo powerpc-apple-beos
+ exit ;;
+ BePC:BeOS:*:*) # BeOS running on Intel PC compatible.
+ echo i586-pc-beos
+ exit ;;
+ SX-4:SUPER-UX:*:*)
+ echo sx4-nec-superux${UNAME_RELEASE}
+ exit ;;
+ SX-5:SUPER-UX:*:*)
+ echo sx5-nec-superux${UNAME_RELEASE}
+ exit ;;
+ SX-6:SUPER-UX:*:*)
+ echo sx6-nec-superux${UNAME_RELEASE}
+ exit ;;
+ SX-7:SUPER-UX:*:*)
+ echo sx7-nec-superux${UNAME_RELEASE}
+ exit ;;
+ SX-8:SUPER-UX:*:*)
+ echo sx8-nec-superux${UNAME_RELEASE}
+ exit ;;
+ SX-8R:SUPER-UX:*:*)
+ echo sx8r-nec-superux${UNAME_RELEASE}
+ exit ;;
+ Power*:Rhapsody:*:*)
+ echo powerpc-apple-rhapsody${UNAME_RELEASE}
+ exit ;;
+ *:Rhapsody:*:*)
+ echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
+ exit ;;
+ *:Darwin:*:*)
+ UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
+ case $UNAME_PROCESSOR in
+ unknown) UNAME_PROCESSOR=powerpc ;;
+ esac
+ echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
+ exit ;;
+ *:procnto*:*:* | *:QNX:[0123456789]*:*)
+ UNAME_PROCESSOR=`uname -p`
+ if test "$UNAME_PROCESSOR" = "x86"; then
+ UNAME_PROCESSOR=i386
+ UNAME_MACHINE=pc
+ fi
+ echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
+ exit ;;
+ *:QNX:*:4*)
+ echo i386-pc-qnx
+ exit ;;
+ NSE-?:NONSTOP_KERNEL:*:*)
+ echo nse-tandem-nsk${UNAME_RELEASE}
+ exit ;;
+ NSR-?:NONSTOP_KERNEL:*:*)
+ echo nsr-tandem-nsk${UNAME_RELEASE}
+ exit ;;
+ *:NonStop-UX:*:*)
+ echo mips-compaq-nonstopux
+ exit ;;
+ BS2000:POSIX*:*:*)
+ echo bs2000-siemens-sysv
+ exit ;;
+ DS/*:UNIX_System_V:*:*)
+ echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
+ exit ;;
+ *:Plan9:*:*)
+ # "uname -m" is not consistent, so use $cputype instead. 386
+ # is converted to i386 for consistency with other x86
+ # operating systems.
+ if test "$cputype" = "386"; then
+ UNAME_MACHINE=i386
+ else
+ UNAME_MACHINE="$cputype"
+ fi
+ echo ${UNAME_MACHINE}-unknown-plan9
+ exit ;;
+ *:TOPS-10:*:*)
+ echo pdp10-unknown-tops10
+ exit ;;
+ *:TENEX:*:*)
+ echo pdp10-unknown-tenex
+ exit ;;
+ KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
+ echo pdp10-dec-tops20
+ exit ;;
+ XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
+ echo pdp10-xkl-tops20
+ exit ;;
+ *:TOPS-20:*:*)
+ echo pdp10-unknown-tops20
+ exit ;;
+ *:ITS:*:*)
+ echo pdp10-unknown-its
+ exit ;;
+ SEI:*:*:SEIUX)
+ echo mips-sei-seiux${UNAME_RELEASE}
+ exit ;;
+ *:DragonFly:*:*)
+ echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+ exit ;;
+ *:*VMS:*:*)
+ UNAME_MACHINE=`(uname -p) 2>/dev/null`
+ case "${UNAME_MACHINE}" in
+ A*) echo alpha-dec-vms ; exit ;;
+ I*) echo ia64-dec-vms ; exit ;;
+ V*) echo vax-dec-vms ; exit ;;
+ esac ;;
+ *:XENIX:*:SysV)
+ echo i386-pc-xenix
+ exit ;;
+ i*86:skyos:*:*)
+ echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//'
+ exit ;;
+ i*86:rdos:*:*)
+ echo ${UNAME_MACHINE}-pc-rdos
+ exit ;;
+esac
+
+#echo '(No uname command or uname output not recognized.)' 1>&2
+#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
+
+eval $set_cc_for_build
+cat >$dummy.c <<EOF
+#ifdef _SEQUENT_
+# include <sys/types.h>
+# include <sys/utsname.h>
+#endif
+main ()
+{
+#if defined (sony)
+#if defined (MIPSEB)
+ /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed,
+ I don't know.... */
+ printf ("mips-sony-bsd\n"); exit (0);
+#else
+#include <sys/param.h>
+ printf ("m68k-sony-newsos%s\n",
+#ifdef NEWSOS4
+ "4"
+#else
+ ""
+#endif
+ ); exit (0);
+#endif
+#endif
+
+#if defined (__arm) && defined (__acorn) && defined (__unix)
+ printf ("arm-acorn-riscix\n"); exit (0);
+#endif
+
+#if defined (hp300) && !defined (hpux)
+ printf ("m68k-hp-bsd\n"); exit (0);
+#endif
+
+#if defined (NeXT)
+#if !defined (__ARCHITECTURE__)
+#define __ARCHITECTURE__ "m68k"
+#endif
+ int version;
+ version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
+ if (version < 4)
+ printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
+ else
+ printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
+ exit (0);
+#endif
+
+#if defined (MULTIMAX) || defined (n16)
+#if defined (UMAXV)
+ printf ("ns32k-encore-sysv\n"); exit (0);
+#else
+#if defined (CMU)
+ printf ("ns32k-encore-mach\n"); exit (0);
+#else
+ printf ("ns32k-encore-bsd\n"); exit (0);
+#endif
+#endif
+#endif
+
+#if defined (__386BSD__)
+ printf ("i386-pc-bsd\n"); exit (0);
+#endif
+
+#if defined (sequent)
+#if defined (i386)
+ printf ("i386-sequent-dynix\n"); exit (0);
+#endif
+#if defined (ns32000)
+ printf ("ns32k-sequent-dynix\n"); exit (0);
+#endif
+#endif
+
+#if defined (_SEQUENT_)
+ struct utsname un;
+
+ uname(&un);
+
+ if (strncmp(un.version, "V2", 2) == 0) {
+ printf ("i386-sequent-ptx2\n"); exit (0);
+ }
+ if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
+ printf ("i386-sequent-ptx1\n"); exit (0);
+ }
+ printf ("i386-sequent-ptx\n"); exit (0);
+
+#endif
+
+#if defined (vax)
+# if !defined (ultrix)
+# include <sys/param.h>
+# if defined (BSD)
+# if BSD == 43
+ printf ("vax-dec-bsd4.3\n"); exit (0);
+# else
+# if BSD == 199006
+ printf ("vax-dec-bsd4.3reno\n"); exit (0);
+# else
+ printf ("vax-dec-bsd\n"); exit (0);
+# endif
+# endif
+# else
+ printf ("vax-dec-bsd\n"); exit (0);
+# endif
+# else
+ printf ("vax-dec-ultrix\n"); exit (0);
+# endif
+#endif
+
+#if defined (alliant) && defined (i860)
+ printf ("i860-alliant-bsd\n"); exit (0);
+#endif
+
+ exit (1);
+}
+EOF
+
+$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` &&
+ { echo "$SYSTEM_NAME"; exit; }
+
+# Apollos put the system type in the environment.
+
+test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; }
+
+# Convex versions that predate uname can use getsysinfo(1)
+
+if [ -x /usr/convex/getsysinfo ]
+then
+ case `getsysinfo -f cpu_type` in
+ c1*)
+ echo c1-convex-bsd
+ exit ;;
+ c2*)
+ if getsysinfo -f scalar_acc
+ then echo c32-convex-bsd
+ else echo c2-convex-bsd
+ fi
+ exit ;;
+ c34*)
+ echo c34-convex-bsd
+ exit ;;
+ c38*)
+ echo c38-convex-bsd
+ exit ;;
+ c4*)
+ echo c4-convex-bsd
+ exit ;;
+ esac
+fi
+
+cat >&2 <<EOF
+$0: unable to guess system type
+
+This script, last modified $timestamp, has failed to recognize
+the operating system you are using. It is advised that you
+download the most up to date version of the config scripts from
+
+ http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.guess
+and
+ http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.sub
+
+If the version you run ($0) is already up to date, please
+send the following data and any information you think might be
+pertinent to <config-patches@gnu.org> in order to provide the needed
+information to handle your system.
+
+config.guess timestamp = $timestamp
+
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
+/bin/uname -X = `(/bin/uname -X) 2>/dev/null`
+
+hostinfo = `(hostinfo) 2>/dev/null`
+/bin/universe = `(/bin/universe) 2>/dev/null`
+/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null`
+/bin/arch = `(/bin/arch) 2>/dev/null`
+/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
+
+UNAME_MACHINE = ${UNAME_MACHINE}
+UNAME_RELEASE = ${UNAME_RELEASE}
+UNAME_SYSTEM = ${UNAME_SYSTEM}
+UNAME_VERSION = ${UNAME_VERSION}
+EOF
+
+exit 1
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
--- /dev/null
+#! /bin/sh
+# Configuration validation subroutine script.
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+# 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation,
+# Inc.
+
+timestamp='2007-06-28'
+
+# This file is (in principle) common to ALL GNU software.
+# The presence of a machine in this file suggests that SOME GNU software
+# can handle that machine. It does not imply ALL GNU software can.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+
+# Please send patches to <config-patches@gnu.org>. Submit a context
+# diff and a properly formatted ChangeLog entry.
+#
+# Configuration subroutine to validate and canonicalize a configuration type.
+# Supply the specified configuration type as an argument.
+# If it is invalid, we print an error message on stderr and exit with code 1.
+# Otherwise, we print the canonical config type on stdout and succeed.
+
+# This file is supposed to be the same for all GNU packages
+# and recognize all the CPU types, system types and aliases
+# that are meaningful with *any* GNU software.
+# Each package is responsible for reporting which valid configurations
+# it does not support. The user should be able to distinguish
+# a failure to support a valid configuration from a meaningless
+# configuration.
+
+# The goal of this file is to map all the various variations of a given
+# machine specification into a single specification in the form:
+# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
+# or in some cases, the newer four-part form:
+# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
+# It is wrong to echo any other type of specification.
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION] CPU-MFR-OPSYS
+ $0 [OPTION] ALIAS
+
+Canonicalize a configuration name.
+
+Operation modes:
+ -h, --help print this help, then exit
+ -t, --time-stamp print date of last modification, then exit
+ -v, --version print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.sub ($timestamp)
+
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions. There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+ case $1 in
+ --time-stamp | --time* | -t )
+ echo "$timestamp" ; exit ;;
+ --version | -v )
+ echo "$version" ; exit ;;
+ --help | --h* | -h )
+ echo "$usage"; exit ;;
+ -- ) # Stop option processing
+ shift; break ;;
+ - ) # Use stdin as input.
+ break ;;
+ -* )
+ echo "$me: invalid option $1$help"
+ exit 1 ;;
+
+ *local*)
+ # First pass through any local machine types.
+ echo $1
+ exit ;;
+
+ * )
+ break ;;
+ esac
+done
+
+case $# in
+ 0) echo "$me: missing argument$help" >&2
+ exit 1;;
+ 1) ;;
+ *) echo "$me: too many arguments$help" >&2
+ exit 1;;
+esac
+
+# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
+# Here we must recognize all the valid KERNEL-OS combinations.
+maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+case $maybe_os in
+ nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \
+ uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \
+ storm-chaos* | os2-emx* | rtmk-nova*)
+ os=-$maybe_os
+ basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
+ ;;
+ *)
+ basic_machine=`echo $1 | sed 's/-[^-]*$//'`
+ if [ $basic_machine != $1 ]
+ then os=`echo $1 | sed 's/.*-/-/'`
+ else os=; fi
+ ;;
+esac
+
+### Let's recognize common machines as not being operating systems so
+### that things like config.sub decstation-3100 work. We also
+### recognize some manufacturers as not being operating systems, so we
+### can provide default operating systems below.
+case $os in
+ -sun*os*)
+ # Prevent following clause from handling this invalid input.
+ ;;
+ -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
+ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
+ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
+ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
+ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
+ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
+ -apple | -axis | -knuth | -cray)
+ os=
+ basic_machine=$1
+ ;;
+ -sim | -cisco | -oki | -wec | -winbond)
+ os=
+ basic_machine=$1
+ ;;
+ -scout)
+ ;;
+ -wrs)
+ os=-vxworks
+ basic_machine=$1
+ ;;
+ -chorusos*)
+ os=-chorusos
+ basic_machine=$1
+ ;;
+ -chorusrdb)
+ os=-chorusrdb
+ basic_machine=$1
+ ;;
+ -hiux*)
+ os=-hiuxwe2
+ ;;
+ -sco6)
+ os=-sco5v6
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco5)
+ os=-sco3.2v5
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco4)
+ os=-sco3.2v4
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco3.2.[4-9]*)
+ os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco3.2v[4-9]*)
+ # Don't forget version if it is 3.2v4 or newer.
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco5v6*)
+ # Don't forget version if it is 3.2v4 or newer.
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco*)
+ os=-sco3.2v2
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -udk*)
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -isc)
+ os=-isc2.2
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -clix*)
+ basic_machine=clipper-intergraph
+ ;;
+ -isc*)
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -lynx*)
+ os=-lynxos
+ ;;
+ -ptx*)
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
+ ;;
+ -windowsnt*)
+ os=`echo $os | sed -e 's/windowsnt/winnt/'`
+ ;;
+ -psos*)
+ os=-psos
+ ;;
+ -mint | -mint[0-9]*)
+ basic_machine=m68k-atari
+ os=-mint
+ ;;
+esac
+
+# Decode aliases for certain CPU-COMPANY combinations.
+case $basic_machine in
+ # Recognize the basic CPU types without company name.
+ # Some are omitted here because they have special meanings below.
+ 1750a | 580 \
+ | a29k \
+ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
+ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
+ | am33_2.0 \
+ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
+ | bfin \
+ | c4x | clipper \
+ | d10v | d30v | dlx | dsp16xx \
+ | fido | fr30 | frv \
+ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+ | i370 | i860 | i960 | ia64 \
+ | ip2k | iq2000 \
+ | m32c | m32r | m32rle | m68000 | m68k | m88k \
+ | maxq | mb | microblaze | mcore | mep \
+ | mips | mipsbe | mipseb | mipsel | mipsle \
+ | mips16 \
+ | mips64 | mips64el \
+ | mips64vr | mips64vrel \
+ | mips64orion | mips64orionel \
+ | mips64vr4100 | mips64vr4100el \
+ | mips64vr4300 | mips64vr4300el \
+ | mips64vr5000 | mips64vr5000el \
+ | mips64vr5900 | mips64vr5900el \
+ | mipsisa32 | mipsisa32el \
+ | mipsisa32r2 | mipsisa32r2el \
+ | mipsisa64 | mipsisa64el \
+ | mipsisa64r2 | mipsisa64r2el \
+ | mipsisa64sb1 | mipsisa64sb1el \
+ | mipsisa64sr71k | mipsisa64sr71kel \
+ | mipstx39 | mipstx39el \
+ | mn10200 | mn10300 \
+ | mt \
+ | msp430 \
+ | nios | nios2 \
+ | ns16k | ns32k \
+ | or32 \
+ | pdp10 | pdp11 | pj | pjl \
+ | powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
+ | pyramid \
+ | score \
+ | sh | sh[1234] | sh[24]a | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
+ | sh64 | sh64le \
+ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
+ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \
+ | spu | strongarm \
+ | tahoe | thumb | tic4x | tic80 | tron \
+ | v850 | v850e \
+ | we32k \
+ | x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \
+ | z8k)
+ basic_machine=$basic_machine-unknown
+ ;;
+ m6811 | m68hc11 | m6812 | m68hc12)
+ # Motorola 68HC11/12.
+ basic_machine=$basic_machine-unknown
+ os=-none
+ ;;
+ m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
+ ;;
+ ms1)
+ basic_machine=mt-unknown
+ ;;
+
+ # We use `pc' rather than `unknown'
+ # because (1) that's what they normally are, and
+ # (2) the word "unknown" tends to confuse beginning users.
+ i*86 | x86_64)
+ basic_machine=$basic_machine-pc
+ ;;
+ # Object if more than one company name word.
+ *-*-*)
+ echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+ exit 1
+ ;;
+ # Recognize the basic CPU types with company name.
+ 580-* \
+ | a29k-* \
+ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
+ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
+ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
+ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \
+ | avr-* | avr32-* \
+ | bfin-* | bs2000-* \
+ | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \
+ | clipper-* | craynv-* | cydra-* \
+ | d10v-* | d30v-* | dlx-* \
+ | elxsi-* \
+ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
+ | h8300-* | h8500-* \
+ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
+ | i*86-* | i860-* | i960-* | ia64-* \
+ | ip2k-* | iq2000-* \
+ | m32c-* | m32r-* | m32rle-* \
+ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
+ | m88110-* | m88k-* | maxq-* | mcore-* \
+ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
+ | mips16-* \
+ | mips64-* | mips64el-* \
+ | mips64vr-* | mips64vrel-* \
+ | mips64orion-* | mips64orionel-* \
+ | mips64vr4100-* | mips64vr4100el-* \
+ | mips64vr4300-* | mips64vr4300el-* \
+ | mips64vr5000-* | mips64vr5000el-* \
+ | mips64vr5900-* | mips64vr5900el-* \
+ | mipsisa32-* | mipsisa32el-* \
+ | mipsisa32r2-* | mipsisa32r2el-* \
+ | mipsisa64-* | mipsisa64el-* \
+ | mipsisa64r2-* | mipsisa64r2el-* \
+ | mipsisa64sb1-* | mipsisa64sb1el-* \
+ | mipsisa64sr71k-* | mipsisa64sr71kel-* \
+ | mipstx39-* | mipstx39el-* \
+ | mmix-* \
+ | mt-* \
+ | msp430-* \
+ | nios-* | nios2-* \
+ | none-* | np1-* | ns16k-* | ns32k-* \
+ | orion-* \
+ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
+ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
+ | pyramid-* \
+ | romp-* | rs6000-* \
+ | sh-* | sh[1234]-* | sh[24]a-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
+ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
+ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
+ | sparclite-* \
+ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* | sx?-* \
+ | tahoe-* | thumb-* \
+ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
+ | tron-* \
+ | v850-* | v850e-* | vax-* \
+ | we32k-* \
+ | x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \
+ | xstormy16-* | xtensa-* \
+ | ymp-* \
+ | z8k-*)
+ ;;
+ # Recognize the various machine names and aliases which stand
+ # for a CPU type and a company and sometimes even an OS.
+ 386bsd)
+ basic_machine=i386-unknown
+ os=-bsd
+ ;;
+ 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
+ basic_machine=m68000-att
+ ;;
+ 3b*)
+ basic_machine=we32k-att
+ ;;
+ a29khif)
+ basic_machine=a29k-amd
+ os=-udi
+ ;;
+ abacus)
+ basic_machine=abacus-unknown
+ ;;
+ adobe68k)
+ basic_machine=m68010-adobe
+ os=-scout
+ ;;
+ alliant | fx80)
+ basic_machine=fx80-alliant
+ ;;
+ altos | altos3068)
+ basic_machine=m68k-altos
+ ;;
+ am29k)
+ basic_machine=a29k-none
+ os=-bsd
+ ;;
+ amd64)
+ basic_machine=x86_64-pc
+ ;;
+ amd64-*)
+ basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ amdahl)
+ basic_machine=580-amdahl
+ os=-sysv
+ ;;
+ amiga | amiga-*)
+ basic_machine=m68k-unknown
+ ;;
+ amigaos | amigados)
+ basic_machine=m68k-unknown
+ os=-amigaos
+ ;;
+ amigaunix | amix)
+ basic_machine=m68k-unknown
+ os=-sysv4
+ ;;
+ apollo68)
+ basic_machine=m68k-apollo
+ os=-sysv
+ ;;
+ apollo68bsd)
+ basic_machine=m68k-apollo
+ os=-bsd
+ ;;
+ aux)
+ basic_machine=m68k-apple
+ os=-aux
+ ;;
+ balance)
+ basic_machine=ns32k-sequent
+ os=-dynix
+ ;;
+ c90)
+ basic_machine=c90-cray
+ os=-unicos
+ ;;
+ convex-c1)
+ basic_machine=c1-convex
+ os=-bsd
+ ;;
+ convex-c2)
+ basic_machine=c2-convex
+ os=-bsd
+ ;;
+ convex-c32)
+ basic_machine=c32-convex
+ os=-bsd
+ ;;
+ convex-c34)
+ basic_machine=c34-convex
+ os=-bsd
+ ;;
+ convex-c38)
+ basic_machine=c38-convex
+ os=-bsd
+ ;;
+ cray | j90)
+ basic_machine=j90-cray
+ os=-unicos
+ ;;
+ craynv)
+ basic_machine=craynv-cray
+ os=-unicosmp
+ ;;
+ cr16)
+ basic_machine=cr16-unknown
+ os=-elf
+ ;;
+ crds | unos)
+ basic_machine=m68k-crds
+ ;;
+ crisv32 | crisv32-* | etraxfs*)
+ basic_machine=crisv32-axis
+ ;;
+ cris | cris-* | etrax*)
+ basic_machine=cris-axis
+ ;;
+ crx)
+ basic_machine=crx-unknown
+ os=-elf
+ ;;
+ da30 | da30-*)
+ basic_machine=m68k-da30
+ ;;
+ decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
+ basic_machine=mips-dec
+ ;;
+ decsystem10* | dec10*)
+ basic_machine=pdp10-dec
+ os=-tops10
+ ;;
+ decsystem20* | dec20*)
+ basic_machine=pdp10-dec
+ os=-tops20
+ ;;
+ delta | 3300 | motorola-3300 | motorola-delta \
+ | 3300-motorola | delta-motorola)
+ basic_machine=m68k-motorola
+ ;;
+ delta88)
+ basic_machine=m88k-motorola
+ os=-sysv3
+ ;;
+ djgpp)
+ basic_machine=i586-pc
+ os=-msdosdjgpp
+ ;;
+ dpx20 | dpx20-*)
+ basic_machine=rs6000-bull
+ os=-bosx
+ ;;
+ dpx2* | dpx2*-bull)
+ basic_machine=m68k-bull
+ os=-sysv3
+ ;;
+ ebmon29k)
+ basic_machine=a29k-amd
+ os=-ebmon
+ ;;
+ elxsi)
+ basic_machine=elxsi-elxsi
+ os=-bsd
+ ;;
+ encore | umax | mmax)
+ basic_machine=ns32k-encore
+ ;;
+ es1800 | OSE68k | ose68k | ose | OSE)
+ basic_machine=m68k-ericsson
+ os=-ose
+ ;;
+ fx2800)
+ basic_machine=i860-alliant
+ ;;
+ genix)
+ basic_machine=ns32k-ns
+ ;;
+ gmicro)
+ basic_machine=tron-gmicro
+ os=-sysv
+ ;;
+ go32)
+ basic_machine=i386-pc
+ os=-go32
+ ;;
+ h3050r* | hiux*)
+ basic_machine=hppa1.1-hitachi
+ os=-hiuxwe2
+ ;;
+ h8300hms)
+ basic_machine=h8300-hitachi
+ os=-hms
+ ;;
+ h8300xray)
+ basic_machine=h8300-hitachi
+ os=-xray
+ ;;
+ h8500hms)
+ basic_machine=h8500-hitachi
+ os=-hms
+ ;;
+ harris)
+ basic_machine=m88k-harris
+ os=-sysv3
+ ;;
+ hp300-*)
+ basic_machine=m68k-hp
+ ;;
+ hp300bsd)
+ basic_machine=m68k-hp
+ os=-bsd
+ ;;
+ hp300hpux)
+ basic_machine=m68k-hp
+ os=-hpux
+ ;;
+ hp3k9[0-9][0-9] | hp9[0-9][0-9])
+ basic_machine=hppa1.0-hp
+ ;;
+ hp9k2[0-9][0-9] | hp9k31[0-9])
+ basic_machine=m68000-hp
+ ;;
+ hp9k3[2-9][0-9])
+ basic_machine=m68k-hp
+ ;;
+ hp9k6[0-9][0-9] | hp6[0-9][0-9])
+ basic_machine=hppa1.0-hp
+ ;;
+ hp9k7[0-79][0-9] | hp7[0-79][0-9])
+ basic_machine=hppa1.1-hp
+ ;;
+ hp9k78[0-9] | hp78[0-9])
+ # FIXME: really hppa2.0-hp
+ basic_machine=hppa1.1-hp
+ ;;
+ hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
+ # FIXME: really hppa2.0-hp
+ basic_machine=hppa1.1-hp
+ ;;
+ hp9k8[0-9][13679] | hp8[0-9][13679])
+ basic_machine=hppa1.1-hp
+ ;;
+ hp9k8[0-9][0-9] | hp8[0-9][0-9])
+ basic_machine=hppa1.0-hp
+ ;;
+ hppa-next)
+ os=-nextstep3
+ ;;
+ hppaosf)
+ basic_machine=hppa1.1-hp
+ os=-osf
+ ;;
+ hppro)
+ basic_machine=hppa1.1-hp
+ os=-proelf
+ ;;
+ i370-ibm* | ibm*)
+ basic_machine=i370-ibm
+ ;;
+# I'm not sure what "Sysv32" means. Should this be sysv3.2?
+ i*86v32)
+ basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ os=-sysv32
+ ;;
+ i*86v4*)
+ basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ os=-sysv4
+ ;;
+ i*86v)
+ basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ os=-sysv
+ ;;
+ i*86sol2)
+ basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ os=-solaris2
+ ;;
+ i386mach)
+ basic_machine=i386-mach
+ os=-mach
+ ;;
+ i386-vsta | vsta)
+ basic_machine=i386-unknown
+ os=-vsta
+ ;;
+ iris | iris4d)
+ basic_machine=mips-sgi
+ case $os in
+ -irix*)
+ ;;
+ *)
+ os=-irix4
+ ;;
+ esac
+ ;;
+ isi68 | isi)
+ basic_machine=m68k-isi
+ os=-sysv
+ ;;
+ m88k-omron*)
+ basic_machine=m88k-omron
+ ;;
+ magnum | m3230)
+ basic_machine=mips-mips
+ os=-sysv
+ ;;
+ merlin)
+ basic_machine=ns32k-utek
+ os=-sysv
+ ;;
+ mingw32)
+ basic_machine=i386-pc
+ os=-mingw32
+ ;;
+ mingw32ce)
+ basic_machine=arm-unknown
+ os=-mingw32ce
+ ;;
+ miniframe)
+ basic_machine=m68000-convergent
+ ;;
+ *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
+ basic_machine=m68k-atari
+ os=-mint
+ ;;
+ mips3*-*)
+ basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
+ ;;
+ mips3*)
+ basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
+ ;;
+ monitor)
+ basic_machine=m68k-rom68k
+ os=-coff
+ ;;
+ morphos)
+ basic_machine=powerpc-unknown
+ os=-morphos
+ ;;
+ msdos)
+ basic_machine=i386-pc
+ os=-msdos
+ ;;
+ ms1-*)
+ basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
+ ;;
+ mvs)
+ basic_machine=i370-ibm
+ os=-mvs
+ ;;
+ ncr3000)
+ basic_machine=i486-ncr
+ os=-sysv4
+ ;;
+ netbsd386)
+ basic_machine=i386-unknown
+ os=-netbsd
+ ;;
+ netwinder)
+ basic_machine=armv4l-rebel
+ os=-linux
+ ;;
+ news | news700 | news800 | news900)
+ basic_machine=m68k-sony
+ os=-newsos
+ ;;
+ news1000)
+ basic_machine=m68030-sony
+ os=-newsos
+ ;;
+ news-3600 | risc-news)
+ basic_machine=mips-sony
+ os=-newsos
+ ;;
+ necv70)
+ basic_machine=v70-nec
+ os=-sysv
+ ;;
+ next | m*-next )
+ basic_machine=m68k-next
+ case $os in
+ -nextstep* )
+ ;;
+ -ns2*)
+ os=-nextstep2
+ ;;
+ *)
+ os=-nextstep3
+ ;;
+ esac
+ ;;
+ nh3000)
+ basic_machine=m68k-harris
+ os=-cxux
+ ;;
+ nh[45]000)
+ basic_machine=m88k-harris
+ os=-cxux
+ ;;
+ nindy960)
+ basic_machine=i960-intel
+ os=-nindy
+ ;;
+ mon960)
+ basic_machine=i960-intel
+ os=-mon960
+ ;;
+ nonstopux)
+ basic_machine=mips-compaq
+ os=-nonstopux
+ ;;
+ np1)
+ basic_machine=np1-gould
+ ;;
+ nsr-tandem)
+ basic_machine=nsr-tandem
+ ;;
+ op50n-* | op60c-*)
+ basic_machine=hppa1.1-oki
+ os=-proelf
+ ;;
+ openrisc | openrisc-*)
+ basic_machine=or32-unknown
+ ;;
+ os400)
+ basic_machine=powerpc-ibm
+ os=-os400
+ ;;
+ OSE68000 | ose68000)
+ basic_machine=m68000-ericsson
+ os=-ose
+ ;;
+ os68k)
+ basic_machine=m68k-none
+ os=-os68k
+ ;;
+ pa-hitachi)
+ basic_machine=hppa1.1-hitachi
+ os=-hiuxwe2
+ ;;
+ paragon)
+ basic_machine=i860-intel
+ os=-osf
+ ;;
+ pbd)
+ basic_machine=sparc-tti
+ ;;
+ pbb)
+ basic_machine=m68k-tti
+ ;;
+ pc532 | pc532-*)
+ basic_machine=ns32k-pc532
+ ;;
+ pc98)
+ basic_machine=i386-pc
+ ;;
+ pc98-*)
+ basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pentium | p5 | k5 | k6 | nexgen | viac3)
+ basic_machine=i586-pc
+ ;;
+ pentiumpro | p6 | 6x86 | athlon | athlon_*)
+ basic_machine=i686-pc
+ ;;
+ pentiumii | pentium2 | pentiumiii | pentium3)
+ basic_machine=i686-pc
+ ;;
+ pentium4)
+ basic_machine=i786-pc
+ ;;
+ pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
+ basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pentiumpro-* | p6-* | 6x86-* | athlon-*)
+ basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
+ basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pentium4-*)
+ basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pn)
+ basic_machine=pn-gould
+ ;;
+ power) basic_machine=power-ibm
+ ;;
+ ppc) basic_machine=powerpc-unknown
+ ;;
+ ppc-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ ppcle | powerpclittle | ppc-le | powerpc-little)
+ basic_machine=powerpcle-unknown
+ ;;
+ ppcle-* | powerpclittle-*)
+ basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ ppc64) basic_machine=powerpc64-unknown
+ ;;
+ ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ ppc64le | powerpc64little | ppc64-le | powerpc64-little)
+ basic_machine=powerpc64le-unknown
+ ;;
+ ppc64le-* | powerpc64little-*)
+ basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ ps2)
+ basic_machine=i386-ibm
+ ;;
+ pw32)
+ basic_machine=i586-unknown
+ os=-pw32
+ ;;
+ rdos)
+ basic_machine=i386-pc
+ os=-rdos
+ ;;
+ rom68k)
+ basic_machine=m68k-rom68k
+ os=-coff
+ ;;
+ rm[46]00)
+ basic_machine=mips-siemens
+ ;;
+ rtpc | rtpc-*)
+ basic_machine=romp-ibm
+ ;;
+ s390 | s390-*)
+ basic_machine=s390-ibm
+ ;;
+ s390x | s390x-*)
+ basic_machine=s390x-ibm
+ ;;
+ sa29200)
+ basic_machine=a29k-amd
+ os=-udi
+ ;;
+ sb1)
+ basic_machine=mipsisa64sb1-unknown
+ ;;
+ sb1el)
+ basic_machine=mipsisa64sb1el-unknown
+ ;;
+ sde)
+ basic_machine=mipsisa32-sde
+ os=-elf
+ ;;
+ sei)
+ basic_machine=mips-sei
+ os=-seiux
+ ;;
+ sequent)
+ basic_machine=i386-sequent
+ ;;
+ sh)
+ basic_machine=sh-hitachi
+ os=-hms
+ ;;
+ sh5el)
+ basic_machine=sh5le-unknown
+ ;;
+ sh64)
+ basic_machine=sh64-unknown
+ ;;
+ sparclite-wrs | simso-wrs)
+ basic_machine=sparclite-wrs
+ os=-vxworks
+ ;;
+ sps7)
+ basic_machine=m68k-bull
+ os=-sysv2
+ ;;
+ spur)
+ basic_machine=spur-unknown
+ ;;
+ st2000)
+ basic_machine=m68k-tandem
+ ;;
+ stratus)
+ basic_machine=i860-stratus
+ os=-sysv4
+ ;;
+ sun2)
+ basic_machine=m68000-sun
+ ;;
+ sun2os3)
+ basic_machine=m68000-sun
+ os=-sunos3
+ ;;
+ sun2os4)
+ basic_machine=m68000-sun
+ os=-sunos4
+ ;;
+ sun3os3)
+ basic_machine=m68k-sun
+ os=-sunos3
+ ;;
+ sun3os4)
+ basic_machine=m68k-sun
+ os=-sunos4
+ ;;
+ sun4os3)
+ basic_machine=sparc-sun
+ os=-sunos3
+ ;;
+ sun4os4)
+ basic_machine=sparc-sun
+ os=-sunos4
+ ;;
+ sun4sol2)
+ basic_machine=sparc-sun
+ os=-solaris2
+ ;;
+ sun3 | sun3-*)
+ basic_machine=m68k-sun
+ ;;
+ sun4)
+ basic_machine=sparc-sun
+ ;;
+ sun386 | sun386i | roadrunner)
+ basic_machine=i386-sun
+ ;;
+ sv1)
+ basic_machine=sv1-cray
+ os=-unicos
+ ;;
+ symmetry)
+ basic_machine=i386-sequent
+ os=-dynix
+ ;;
+ t3e)
+ basic_machine=alphaev5-cray
+ os=-unicos
+ ;;
+ t90)
+ basic_machine=t90-cray
+ os=-unicos
+ ;;
+ tic54x | c54x*)
+ basic_machine=tic54x-unknown
+ os=-coff
+ ;;
+ tic55x | c55x*)
+ basic_machine=tic55x-unknown
+ os=-coff
+ ;;
+ tic6x | c6x*)
+ basic_machine=tic6x-unknown
+ os=-coff
+ ;;
+ tx39)
+ basic_machine=mipstx39-unknown
+ ;;
+ tx39el)
+ basic_machine=mipstx39el-unknown
+ ;;
+ toad1)
+ basic_machine=pdp10-xkl
+ os=-tops20
+ ;;
+ tower | tower-32)
+ basic_machine=m68k-ncr
+ ;;
+ tpf)
+ basic_machine=s390x-ibm
+ os=-tpf
+ ;;
+ udi29k)
+ basic_machine=a29k-amd
+ os=-udi
+ ;;
+ ultra3)
+ basic_machine=a29k-nyu
+ os=-sym1
+ ;;
+ v810 | necv810)
+ basic_machine=v810-nec
+ os=-none
+ ;;
+ vaxv)
+ basic_machine=vax-dec
+ os=-sysv
+ ;;
+ vms)
+ basic_machine=vax-dec
+ os=-vms
+ ;;
+ vpp*|vx|vx-*)
+ basic_machine=f301-fujitsu
+ ;;
+ vxworks960)
+ basic_machine=i960-wrs
+ os=-vxworks
+ ;;
+ vxworks68)
+ basic_machine=m68k-wrs
+ os=-vxworks
+ ;;
+ vxworks29k)
+ basic_machine=a29k-wrs
+ os=-vxworks
+ ;;
+ w65*)
+ basic_machine=w65-wdc
+ os=-none
+ ;;
+ w89k-*)
+ basic_machine=hppa1.1-winbond
+ os=-proelf
+ ;;
+ xbox)
+ basic_machine=i686-pc
+ os=-mingw32
+ ;;
+ xps | xps100)
+ basic_machine=xps100-honeywell
+ ;;
+ ymp)
+ basic_machine=ymp-cray
+ os=-unicos
+ ;;
+ z8k-*-coff)
+ basic_machine=z8k-unknown
+ os=-sim
+ ;;
+ none)
+ basic_machine=none-none
+ os=-none
+ ;;
+
+# Here we handle the default manufacturer of certain CPU types. It is in
+# some cases the only manufacturer, in others, it is the most popular.
+ w89k)
+ basic_machine=hppa1.1-winbond
+ ;;
+ op50n)
+ basic_machine=hppa1.1-oki
+ ;;
+ op60c)
+ basic_machine=hppa1.1-oki
+ ;;
+ romp)
+ basic_machine=romp-ibm
+ ;;
+ mmix)
+ basic_machine=mmix-knuth
+ ;;
+ rs6000)
+ basic_machine=rs6000-ibm
+ ;;
+ vax)
+ basic_machine=vax-dec
+ ;;
+ pdp10)
+ # there are many clones, so DEC is not a safe bet
+ basic_machine=pdp10-unknown
+ ;;
+ pdp11)
+ basic_machine=pdp11-dec
+ ;;
+ we32k)
+ basic_machine=we32k-att
+ ;;
+ sh[1234] | sh[24]a | sh[34]eb | sh[1234]le | sh[23]ele)
+ basic_machine=sh-unknown
+ ;;
+ sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
+ basic_machine=sparc-sun
+ ;;
+ cydra)
+ basic_machine=cydra-cydrome
+ ;;
+ orion)
+ basic_machine=orion-highlevel
+ ;;
+ orion105)
+ basic_machine=clipper-highlevel
+ ;;
+ mac | mpw | mac-mpw)
+ basic_machine=m68k-apple
+ ;;
+ pmac | pmac-mpw)
+ basic_machine=powerpc-apple
+ ;;
+ *-unknown)
+ # Make sure to match an already-canonicalized machine name.
+ ;;
+ *)
+ echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+ exit 1
+ ;;
+esac
+
+# Here we canonicalize certain aliases for manufacturers.
+case $basic_machine in
+ *-digital*)
+ basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
+ ;;
+ *-commodore*)
+ basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
+ ;;
+ *)
+ ;;
+esac
+
+# Decode manufacturer-specific aliases for certain operating systems.
+
+if [ x"$os" != x"" ]
+then
+case $os in
+ # First match some system type aliases
+ # that might get confused with valid system types.
+ # -solaris* is a basic system type, with this one exception.
+ -solaris1 | -solaris1.*)
+ os=`echo $os | sed -e 's|solaris1|sunos4|'`
+ ;;
+ -solaris)
+ os=-solaris2
+ ;;
+ -svr4*)
+ os=-sysv4
+ ;;
+ -unixware*)
+ os=-sysv4.2uw
+ ;;
+ -gnu/linux*)
+ os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
+ ;;
+ # First accept the basic system types.
+ # The portable systems comes first.
+ # Each alternative MUST END IN A *, to match a version number.
+ # -sysv* is not here because it comes later, after sysvr4.
+ -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
+ | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
+ | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
+ | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+ | -aos* \
+ | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+ | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
+ | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
+ | -openbsd* | -solidbsd* \
+ | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
+ | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
+ | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
+ | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
+ | -chorusos* | -chorusrdb* \
+ | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+ | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \
+ | -uxpv* | -beos* | -mpeix* | -udk* \
+ | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
+ | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+ | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
+ | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
+ | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
+ | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
+ | -skyos* | -haiku* | -rdos* | -toppers* | -drops*)
+ # Remember, each alternative MUST END IN *, to match a version number.
+ ;;
+ -qnx*)
+ case $basic_machine in
+ x86-* | i*86-*)
+ ;;
+ *)
+ os=-nto$os
+ ;;
+ esac
+ ;;
+ -nto-qnx*)
+ ;;
+ -nto*)
+ os=`echo $os | sed -e 's|nto|nto-qnx|'`
+ ;;
+ -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
+ | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
+ | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
+ ;;
+ -mac*)
+ os=`echo $os | sed -e 's|mac|macos|'`
+ ;;
+ -linux-dietlibc)
+ os=-linux-dietlibc
+ ;;
+ -linux*)
+ os=`echo $os | sed -e 's|linux|linux-gnu|'`
+ ;;
+ -sunos5*)
+ os=`echo $os | sed -e 's|sunos5|solaris2|'`
+ ;;
+ -sunos6*)
+ os=`echo $os | sed -e 's|sunos6|solaris3|'`
+ ;;
+ -opened*)
+ os=-openedition
+ ;;
+ -os400*)
+ os=-os400
+ ;;
+ -wince*)
+ os=-wince
+ ;;
+ -osfrose*)
+ os=-osfrose
+ ;;
+ -osf*)
+ os=-osf
+ ;;
+ -utek*)
+ os=-bsd
+ ;;
+ -dynix*)
+ os=-bsd
+ ;;
+ -acis*)
+ os=-aos
+ ;;
+ -atheos*)
+ os=-atheos
+ ;;
+ -syllable*)
+ os=-syllable
+ ;;
+ -386bsd)
+ os=-bsd
+ ;;
+ -ctix* | -uts*)
+ os=-sysv
+ ;;
+ -nova*)
+ os=-rtmk-nova
+ ;;
+ -ns2 )
+ os=-nextstep2
+ ;;
+ -nsk*)
+ os=-nsk
+ ;;
+ # Preserve the version number of sinix5.
+ -sinix5.*)
+ os=`echo $os | sed -e 's|sinix|sysv|'`
+ ;;
+ -sinix*)
+ os=-sysv4
+ ;;
+ -tpf*)
+ os=-tpf
+ ;;
+ -triton*)
+ os=-sysv3
+ ;;
+ -oss*)
+ os=-sysv3
+ ;;
+ -svr4)
+ os=-sysv4
+ ;;
+ -svr3)
+ os=-sysv3
+ ;;
+ -sysvr4)
+ os=-sysv4
+ ;;
+ # This must come after -sysvr4.
+ -sysv*)
+ ;;
+ -ose*)
+ os=-ose
+ ;;
+ -es1800*)
+ os=-ose
+ ;;
+ -xenix)
+ os=-xenix
+ ;;
+ -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+ os=-mint
+ ;;
+ -aros*)
+ os=-aros
+ ;;
+ -kaos*)
+ os=-kaos
+ ;;
+ -zvmoe)
+ os=-zvmoe
+ ;;
+ -none)
+ ;;
+ *)
+ # Get rid of the `-' at the beginning of $os.
+ os=`echo $os | sed 's/[^-]*-//'`
+ echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
+ exit 1
+ ;;
+esac
+else
+
+# Here we handle the default operating systems that come with various machines.
+# The value should be what the vendor currently ships out the door with their
+# machine or put another way, the most popular os provided with the machine.
+
+# Note that if you're going to try to match "-MANUFACTURER" here (say,
+# "-sun"), then you have to tell the case statement up towards the top
+# that MANUFACTURER isn't an operating system. Otherwise, code above
+# will signal an error saying that MANUFACTURER isn't an operating
+# system, and we'll never get to this point.
+
+case $basic_machine in
+ score-*)
+ os=-elf
+ ;;
+ spu-*)
+ os=-elf
+ ;;
+ *-acorn)
+ os=-riscix1.2
+ ;;
+ arm*-rebel)
+ os=-linux
+ ;;
+ arm*-semi)
+ os=-aout
+ ;;
+ c4x-* | tic4x-*)
+ os=-coff
+ ;;
+ # This must come before the *-dec entry.
+ pdp10-*)
+ os=-tops20
+ ;;
+ pdp11-*)
+ os=-none
+ ;;
+ *-dec | vax-*)
+ os=-ultrix4.2
+ ;;
+ m68*-apollo)
+ os=-domain
+ ;;
+ i386-sun)
+ os=-sunos4.0.2
+ ;;
+ m68000-sun)
+ os=-sunos3
+ # This also exists in the configure program, but was not the
+ # default.
+ # os=-sunos4
+ ;;
+ m68*-cisco)
+ os=-aout
+ ;;
+ mep-*)
+ os=-elf
+ ;;
+ mips*-cisco)
+ os=-elf
+ ;;
+ mips*-*)
+ os=-elf
+ ;;
+ or32-*)
+ os=-coff
+ ;;
+ *-tti) # must be before sparc entry or we get the wrong os.
+ os=-sysv3
+ ;;
+ sparc-* | *-sun)
+ os=-sunos4.1.1
+ ;;
+ *-be)
+ os=-beos
+ ;;
+ *-haiku)
+ os=-haiku
+ ;;
+ *-ibm)
+ os=-aix
+ ;;
+ *-knuth)
+ os=-mmixware
+ ;;
+ *-wec)
+ os=-proelf
+ ;;
+ *-winbond)
+ os=-proelf
+ ;;
+ *-oki)
+ os=-proelf
+ ;;
+ *-hp)
+ os=-hpux
+ ;;
+ *-hitachi)
+ os=-hiux
+ ;;
+ i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
+ os=-sysv
+ ;;
+ *-cbm)
+ os=-amigaos
+ ;;
+ *-dg)
+ os=-dgux
+ ;;
+ *-dolphin)
+ os=-sysv3
+ ;;
+ m68k-ccur)
+ os=-rtu
+ ;;
+ m88k-omron*)
+ os=-luna
+ ;;
+ *-next )
+ os=-nextstep
+ ;;
+ *-sequent)
+ os=-ptx
+ ;;
+ *-crds)
+ os=-unos
+ ;;
+ *-ns)
+ os=-genix
+ ;;
+ i370-*)
+ os=-mvs
+ ;;
+ *-next)
+ os=-nextstep3
+ ;;
+ *-gould)
+ os=-sysv
+ ;;
+ *-highlevel)
+ os=-bsd
+ ;;
+ *-encore)
+ os=-bsd
+ ;;
+ *-sgi)
+ os=-irix
+ ;;
+ *-siemens)
+ os=-sysv4
+ ;;
+ *-masscomp)
+ os=-rtu
+ ;;
+ f30[01]-fujitsu | f700-fujitsu)
+ os=-uxpv
+ ;;
+ *-rom68k)
+ os=-coff
+ ;;
+ *-*bug)
+ os=-coff
+ ;;
+ *-apple)
+ os=-macos
+ ;;
+ *-atari*)
+ os=-mint
+ ;;
+ *)
+ os=-none
+ ;;
+esac
+fi
+
+# Here we handle the case where we know the os, and the CPU type, but not the
+# manufacturer. We pick the logical manufacturer.
+vendor=unknown
+case $basic_machine in
+ *-unknown)
+ case $os in
+ -riscix*)
+ vendor=acorn
+ ;;
+ -sunos*)
+ vendor=sun
+ ;;
+ -aix*)
+ vendor=ibm
+ ;;
+ -beos*)
+ vendor=be
+ ;;
+ -hpux*)
+ vendor=hp
+ ;;
+ -mpeix*)
+ vendor=hp
+ ;;
+ -hiux*)
+ vendor=hitachi
+ ;;
+ -unos*)
+ vendor=crds
+ ;;
+ -dgux*)
+ vendor=dg
+ ;;
+ -luna*)
+ vendor=omron
+ ;;
+ -genix*)
+ vendor=ns
+ ;;
+ -mvs* | -opened*)
+ vendor=ibm
+ ;;
+ -os400*)
+ vendor=ibm
+ ;;
+ -ptx*)
+ vendor=sequent
+ ;;
+ -tpf*)
+ vendor=ibm
+ ;;
+ -vxsim* | -vxworks* | -windiss*)
+ vendor=wrs
+ ;;
+ -aux*)
+ vendor=apple
+ ;;
+ -hms*)
+ vendor=hitachi
+ ;;
+ -mpw* | -macos*)
+ vendor=apple
+ ;;
+ -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+ vendor=atari
+ ;;
+ -vos*)
+ vendor=stratus
+ ;;
+ esac
+ basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
+ ;;
+esac
+
+echo $basic_machine$os
+exit
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
--- /dev/null
+#! /bin/sh
+# depcomp - compile a program generating dependencies as side-effects
+
+scriptversion=2005-07-09.11
+
+# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
+
+case $1 in
+ '')
+ echo "$0: No command. Try \`$0 --help' for more information." 1>&2
+ exit 1;
+ ;;
+ -h | --h*)
+ cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+ depmode Dependency tracking mode.
+ source Source file read by `PROGRAMS ARGS'.
+ object Object file output by `PROGRAMS ARGS'.
+ DEPDIR directory where to store dependencies.
+ depfile Dependency file to output.
+ tmpdepfile Temporary file to use when outputing dependencies.
+ libtool Whether libtool is used (yes/no).
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+ exit $?
+ ;;
+ -v | --v*)
+ echo "depcomp $scriptversion"
+ exit $?
+ ;;
+esac
+
+if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+ echo "depcomp: Variables source, object and depmode must be set" 1>&2
+ exit 1
+fi
+
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+ sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
+tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
+
+rm -f "$tmpdepfile"
+
+# Some modes work just like other modes, but use different flags. We
+# parameterize here, but still list the modes in the big case below,
+# to make depend.m4 easier to write. Note that we *cannot* use a case
+# here, because this file can only contain one case statement.
+if test "$depmode" = hp; then
+ # HP compiler uses -M and no extra arg.
+ gccflag=-M
+ depmode=gcc
+fi
+
+if test "$depmode" = dashXmstdout; then
+ # This is just like dashmstdout with a different argument.
+ dashmflag=-xM
+ depmode=dashmstdout
+fi
+
+case "$depmode" in
+gcc3)
+## gcc 3 implements dependency tracking that does exactly what
+## we want. Yay! Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff. Hmm.
+ "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
+ stat=$?
+ if test $stat -eq 0; then :
+ else
+ rm -f "$tmpdepfile"
+ exit $stat
+ fi
+ mv "$tmpdepfile" "$depfile"
+ ;;
+
+gcc)
+## There are various ways to get dependency output from gcc. Here's
+## why we pick this rather obscure method:
+## - Don't want to use -MD because we'd like the dependencies to end
+## up in a subdir. Having to rename by hand is ugly.
+## (We might end up doing this anyway to support other compilers.)
+## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
+## -MM, not -M (despite what the docs say).
+## - Using -M directly means running the compiler twice (even worse
+## than renaming).
+ if test -z "$gccflag"; then
+ gccflag=-MD,
+ fi
+ "$@" -Wp,"$gccflag$tmpdepfile"
+ stat=$?
+ if test $stat -eq 0; then :
+ else
+ rm -f "$tmpdepfile"
+ exit $stat
+ fi
+ rm -f "$depfile"
+ echo "$object : \\" > "$depfile"
+ alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
+## The second -e expression handles DOS-style file names with drive letters.
+ sed -e 's/^[^:]*: / /' \
+ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+## This next piece of magic avoids the `deleted header file' problem.
+## The problem is that when a header file which appears in a .P file
+## is deleted, the dependency causes make to die (because there is
+## typically no way to rebuild the header). We avoid this by adding
+## dummy dependencies for each header file. Too bad gcc doesn't do
+## this for us directly.
+ tr ' ' '
+' < "$tmpdepfile" |
+## Some versions of gcc put a space before the `:'. On the theory
+## that the space means something, we add a space to the output as
+## well.
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly. Breaking it into two sed invocations is a workaround.
+ sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+ rm -f "$tmpdepfile"
+ ;;
+
+hp)
+ # This case exists only to let depend.m4 do its work. It works by
+ # looking at the text of this script. This case will never be run,
+ # since it is checked for above.
+ exit 1
+ ;;
+
+sgi)
+ if test "$libtool" = yes; then
+ "$@" "-Wp,-MDupdate,$tmpdepfile"
+ else
+ "$@" -MDupdate "$tmpdepfile"
+ fi
+ stat=$?
+ if test $stat -eq 0; then :
+ else
+ rm -f "$tmpdepfile"
+ exit $stat
+ fi
+ rm -f "$depfile"
+
+ if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
+ echo "$object : \\" > "$depfile"
+
+ # Clip off the initial element (the dependent). Don't try to be
+ # clever and replace this with sed code, as IRIX sed won't handle
+ # lines with more than a fixed number of characters (4096 in
+ # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
+ # the IRIX cc adds comments like `#:fec' to the end of the
+ # dependency line.
+ tr ' ' '
+' < "$tmpdepfile" \
+ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
+ tr '
+' ' ' >> $depfile
+ echo >> $depfile
+
+ # The second pass generates a dummy entry for each header file.
+ tr ' ' '
+' < "$tmpdepfile" \
+ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+ >> $depfile
+ else
+ # The sourcefile does not contain any dependencies, so just
+ # store a dummy comment line, to avoid errors with the Makefile
+ # "include basename.Plo" scheme.
+ echo "#dummy" > "$depfile"
+ fi
+ rm -f "$tmpdepfile"
+ ;;
+
+aix)
+ # The C for AIX Compiler uses -M and outputs the dependencies
+ # in a .u file. In older versions, this file always lives in the
+ # current directory. Also, the AIX compiler puts `$object:' at the
+ # start of each line; $object doesn't have directory information.
+ # Version 6 uses the directory in both cases.
+ stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
+ tmpdepfile="$stripped.u"
+ if test "$libtool" = yes; then
+ "$@" -Wc,-M
+ else
+ "$@" -M
+ fi
+ stat=$?
+
+ if test -f "$tmpdepfile"; then :
+ else
+ stripped=`echo "$stripped" | sed 's,^.*/,,'`
+ tmpdepfile="$stripped.u"
+ fi
+
+ if test $stat -eq 0; then :
+ else
+ rm -f "$tmpdepfile"
+ exit $stat
+ fi
+
+ if test -f "$tmpdepfile"; then
+ outname="$stripped.o"
+ # Each line is of the form `foo.o: dependent.h'.
+ # Do two passes, one to just change these to
+ # `$object: dependent.h' and one to simply `dependent.h:'.
+ sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
+ sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
+ else
+ # The sourcefile does not contain any dependencies, so just
+ # store a dummy comment line, to avoid errors with the Makefile
+ # "include basename.Plo" scheme.
+ echo "#dummy" > "$depfile"
+ fi
+ rm -f "$tmpdepfile"
+ ;;
+
+icc)
+ # Intel's C compiler understands `-MD -MF file'. However on
+ # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
+ # ICC 7.0 will fill foo.d with something like
+ # foo.o: sub/foo.c
+ # foo.o: sub/foo.h
+ # which is wrong. We want:
+ # sub/foo.o: sub/foo.c
+ # sub/foo.o: sub/foo.h
+ # sub/foo.c:
+ # sub/foo.h:
+ # ICC 7.1 will output
+ # foo.o: sub/foo.c sub/foo.h
+ # and will wrap long lines using \ :
+ # foo.o: sub/foo.c ... \
+ # sub/foo.h ... \
+ # ...
+
+ "$@" -MD -MF "$tmpdepfile"
+ stat=$?
+ if test $stat -eq 0; then :
+ else
+ rm -f "$tmpdepfile"
+ exit $stat
+ fi
+ rm -f "$depfile"
+ # Each line is of the form `foo.o: dependent.h',
+ # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
+ # Do two passes, one to just change these to
+ # `$object: dependent.h' and one to simply `dependent.h:'.
+ sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+ # Some versions of the HPUX 10.20 sed can't process this invocation
+ # correctly. Breaking it into two sed invocations is a workaround.
+ sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
+ sed -e 's/$/ :/' >> "$depfile"
+ rm -f "$tmpdepfile"
+ ;;
+
+tru64)
+ # The Tru64 compiler uses -MD to generate dependencies as a side
+ # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
+ # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+ # dependencies in `foo.d' instead, so we check for that too.
+ # Subdirectories are respected.
+ dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+ test "x$dir" = "x$object" && dir=
+ base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+
+ if test "$libtool" = yes; then
+ # With Tru64 cc, shared objects can also be used to make a
+ # static library. This mecanism is used in libtool 1.4 series to
+ # handle both shared and static libraries in a single compilation.
+ # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
+ #
+ # With libtool 1.5 this exception was removed, and libtool now
+ # generates 2 separate objects for the 2 libraries. These two
+ # compilations output dependencies in in $dir.libs/$base.o.d and
+ # in $dir$base.o.d. We have to check for both files, because
+ # one of the two compilations can be disabled. We should prefer
+ # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+ # automatically cleaned when .libs/ is deleted, while ignoring
+ # the former would cause a distcleancheck panic.
+ tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4
+ tmpdepfile2=$dir$base.o.d # libtool 1.5
+ tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5
+ tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504
+ "$@" -Wc,-MD
+ else
+ tmpdepfile1=$dir$base.o.d
+ tmpdepfile2=$dir$base.d
+ tmpdepfile3=$dir$base.d
+ tmpdepfile4=$dir$base.d
+ "$@" -MD
+ fi
+
+ stat=$?
+ if test $stat -eq 0; then :
+ else
+ rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+ exit $stat
+ fi
+
+ for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+ do
+ test -f "$tmpdepfile" && break
+ done
+ if test -f "$tmpdepfile"; then
+ sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+ # That's a tab and a space in the [].
+ sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+ else
+ echo "#dummy" > "$depfile"
+ fi
+ rm -f "$tmpdepfile"
+ ;;
+
+#nosideeffect)
+ # This comment above is used by automake to tell side-effect
+ # dependency tracking mechanisms from slower ones.
+
+dashmstdout)
+ # Important note: in order to support this mode, a compiler *must*
+ # always write the preprocessed file to stdout, regardless of -o.
+ "$@" || exit $?
+
+ # Remove the call to Libtool.
+ if test "$libtool" = yes; then
+ while test $1 != '--mode=compile'; do
+ shift
+ done
+ shift
+ fi
+
+ # Remove `-o $object'.
+ IFS=" "
+ for arg
+ do
+ case $arg in
+ -o)
+ shift
+ ;;
+ $object)
+ shift
+ ;;
+ *)
+ set fnord "$@" "$arg"
+ shift # fnord
+ shift # $arg
+ ;;
+ esac
+ done
+
+ test -z "$dashmflag" && dashmflag=-M
+ # Require at least two characters before searching for `:'
+ # in the target name. This is to cope with DOS-style filenames:
+ # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
+ "$@" $dashmflag |
+ sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
+ rm -f "$depfile"
+ cat < "$tmpdepfile" > "$depfile"
+ tr ' ' '
+' < "$tmpdepfile" | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly. Breaking it into two sed invocations is a workaround.
+ sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+ rm -f "$tmpdepfile"
+ ;;
+
+dashXmstdout)
+ # This case only exists to satisfy depend.m4. It is never actually
+ # run, as this mode is specially recognized in the preamble.
+ exit 1
+ ;;
+
+makedepend)
+ "$@" || exit $?
+ # Remove any Libtool call
+ if test "$libtool" = yes; then
+ while test $1 != '--mode=compile'; do
+ shift
+ done
+ shift
+ fi
+ # X makedepend
+ shift
+ cleared=no
+ for arg in "$@"; do
+ case $cleared in
+ no)
+ set ""; shift
+ cleared=yes ;;
+ esac
+ case "$arg" in
+ -D*|-I*)
+ set fnord "$@" "$arg"; shift ;;
+ # Strip any option that makedepend may not understand. Remove
+ # the object too, otherwise makedepend will parse it as a source file.
+ -*|$object)
+ ;;
+ *)
+ set fnord "$@" "$arg"; shift ;;
+ esac
+ done
+ obj_suffix="`echo $object | sed 's/^.*\././'`"
+ touch "$tmpdepfile"
+ ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+ rm -f "$depfile"
+ cat < "$tmpdepfile" > "$depfile"
+ sed '1,2d' "$tmpdepfile" | tr ' ' '
+' | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly. Breaking it into two sed invocations is a workaround.
+ sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+ rm -f "$tmpdepfile" "$tmpdepfile".bak
+ ;;
+
+cpp)
+ # Important note: in order to support this mode, a compiler *must*
+ # always write the preprocessed file to stdout.
+ "$@" || exit $?
+
+ # Remove the call to Libtool.
+ if test "$libtool" = yes; then
+ while test $1 != '--mode=compile'; do
+ shift
+ done
+ shift
+ fi
+
+ # Remove `-o $object'.
+ IFS=" "
+ for arg
+ do
+ case $arg in
+ -o)
+ shift
+ ;;
+ $object)
+ shift
+ ;;
+ *)
+ set fnord "$@" "$arg"
+ shift # fnord
+ shift # $arg
+ ;;
+ esac
+ done
+
+ "$@" -E |
+ sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+ -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
+ sed '$ s: \\$::' > "$tmpdepfile"
+ rm -f "$depfile"
+ echo "$object : \\" > "$depfile"
+ cat < "$tmpdepfile" >> "$depfile"
+ sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
+ rm -f "$tmpdepfile"
+ ;;
+
+msvisualcpp)
+ # Important note: in order to support this mode, a compiler *must*
+ # always write the preprocessed file to stdout, regardless of -o,
+ # because we must use -o when running libtool.
+ "$@" || exit $?
+ IFS=" "
+ for arg
+ do
+ case "$arg" in
+ "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
+ set fnord "$@"
+ shift
+ shift
+ ;;
+ *)
+ set fnord "$@" "$arg"
+ shift
+ shift
+ ;;
+ esac
+ done
+ "$@" -E |
+ sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
+ rm -f "$depfile"
+ echo "$object : \\" > "$depfile"
+ . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
+ echo " " >> "$depfile"
+ . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+ rm -f "$tmpdepfile"
+ ;;
+
+none)
+ exec "$@"
+ ;;
+
+*)
+ echo "Unknown depmode $depmode" 1>&2
+ exit 1
+ ;;
+esac
+
+exit 0
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
--- /dev/null
+#!/bin/sh
+# install - install a program, script, or datafile
+
+scriptversion=2005-05-14.22
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
+#
+# Copyright (C) 1994 X Consortium
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# `make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch. It can only install one file at a time, a restriction
+# shared with many OS's install programs.
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit="${DOITPROG-}"
+
+# put in absolute paths if you don't have them in your path; or use env. vars.
+
+mvprog="${MVPROG-mv}"
+cpprog="${CPPROG-cp}"
+chmodprog="${CHMODPROG-chmod}"
+chownprog="${CHOWNPROG-chown}"
+chgrpprog="${CHGRPPROG-chgrp}"
+stripprog="${STRIPPROG-strip}"
+rmprog="${RMPROG-rm}"
+mkdirprog="${MKDIRPROG-mkdir}"
+
+chmodcmd="$chmodprog 0755"
+chowncmd=
+chgrpcmd=
+stripcmd=
+rmcmd="$rmprog -f"
+mvcmd="$mvprog"
+src=
+dst=
+dir_arg=
+dstarg=
+no_target_directory=
+
+usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+ or: $0 [OPTION]... SRCFILES... DIRECTORY
+ or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+ or: $0 [OPTION]... -d DIRECTORIES...
+
+In the 1st form, copy SRCFILE to DSTFILE.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
+
+Options:
+-c (ignored)
+-d create directories instead of installing files.
+-g GROUP $chgrpprog installed files to GROUP.
+-m MODE $chmodprog installed files to MODE.
+-o USER $chownprog installed files to USER.
+-s $stripprog installed files.
+-t DIRECTORY install into DIRECTORY.
+-T report an error if DSTFILE is a directory.
+--help display this help and exit.
+--version display version info and exit.
+
+Environment variables override the default commands:
+ CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
+"
+
+while test -n "$1"; do
+ case $1 in
+ -c) shift
+ continue;;
+
+ -d) dir_arg=true
+ shift
+ continue;;
+
+ -g) chgrpcmd="$chgrpprog $2"
+ shift
+ shift
+ continue;;
+
+ --help) echo "$usage"; exit $?;;
+
+ -m) chmodcmd="$chmodprog $2"
+ shift
+ shift
+ continue;;
+
+ -o) chowncmd="$chownprog $2"
+ shift
+ shift
+ continue;;
+
+ -s) stripcmd=$stripprog
+ shift
+ continue;;
+
+ -t) dstarg=$2
+ shift
+ shift
+ continue;;
+
+ -T) no_target_directory=true
+ shift
+ continue;;
+
+ --version) echo "$0 $scriptversion"; exit $?;;
+
+ *) # When -d is used, all remaining arguments are directories to create.
+ # When -t is used, the destination is already specified.
+ test -n "$dir_arg$dstarg" && break
+ # Otherwise, the last argument is the destination. Remove it from $@.
+ for arg
+ do
+ if test -n "$dstarg"; then
+ # $@ is not empty: it contains at least $arg.
+ set fnord "$@" "$dstarg"
+ shift # fnord
+ fi
+ shift # arg
+ dstarg=$arg
+ done
+ break;;
+ esac
+done
+
+if test -z "$1"; then
+ if test -z "$dir_arg"; then
+ echo "$0: no input file specified." >&2
+ exit 1
+ fi
+ # It's OK to call `install-sh -d' without argument.
+ # This can happen when creating conditional directories.
+ exit 0
+fi
+
+for src
+do
+ # Protect names starting with `-'.
+ case $src in
+ -*) src=./$src ;;
+ esac
+
+ if test -n "$dir_arg"; then
+ dst=$src
+ src=
+
+ if test -d "$dst"; then
+ mkdircmd=:
+ chmodcmd=
+ else
+ mkdircmd=$mkdirprog
+ fi
+ else
+ # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+ # might cause directories to be created, which would be especially bad
+ # if $src (and thus $dsttmp) contains '*'.
+ if test ! -f "$src" && test ! -d "$src"; then
+ echo "$0: $src does not exist." >&2
+ exit 1
+ fi
+
+ if test -z "$dstarg"; then
+ echo "$0: no destination specified." >&2
+ exit 1
+ fi
+
+ dst=$dstarg
+ # Protect names starting with `-'.
+ case $dst in
+ -*) dst=./$dst ;;
+ esac
+
+ # If destination is a directory, append the input filename; won't work
+ # if double slashes aren't ignored.
+ if test -d "$dst"; then
+ if test -n "$no_target_directory"; then
+ echo "$0: $dstarg: Is a directory" >&2
+ exit 1
+ fi
+ dst=$dst/`basename "$src"`
+ fi
+ fi
+
+ # This sed command emulates the dirname command.
+ dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
+
+ # Make sure that the destination directory exists.
+
+ # Skip lots of stat calls in the usual case.
+ if test ! -d "$dstdir"; then
+ defaultIFS='
+ '
+ IFS="${IFS-$defaultIFS}"
+
+ oIFS=$IFS
+ # Some sh's can't handle IFS=/ for some reason.
+ IFS='%'
+ set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
+ shift
+ IFS=$oIFS
+
+ pathcomp=
+
+ while test $# -ne 0 ; do
+ pathcomp=$pathcomp$1
+ shift
+ if test ! -d "$pathcomp"; then
+ $mkdirprog "$pathcomp"
+ # mkdir can fail with a `File exist' error in case several
+ # install-sh are creating the directory concurrently. This
+ # is OK.
+ test -d "$pathcomp" || exit
+ fi
+ pathcomp=$pathcomp/
+ done
+ fi
+
+ if test -n "$dir_arg"; then
+ $doit $mkdircmd "$dst" \
+ && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
+ && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
+ && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
+ && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
+
+ else
+ dstfile=`basename "$dst"`
+
+ # Make a couple of temp file names in the proper directory.
+ dsttmp=$dstdir/_inst.$$_
+ rmtmp=$dstdir/_rm.$$_
+
+ # Trap to clean up those temp files at exit.
+ trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
+ trap '(exit $?); exit' 1 2 13 15
+
+ # Copy the file name to the temp name.
+ $doit $cpprog "$src" "$dsttmp" &&
+
+ # and set any options; do chmod last to preserve setuid bits.
+ #
+ # If any of these fail, we abort the whole thing. If we want to
+ # ignore errors from any of these, just make sure not to ignore
+ # errors from the above "$doit $cpprog $src $dsttmp" command.
+ #
+ { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
+ && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
+ && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
+ && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
+
+ # Now rename the file to the real destination.
+ { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
+ || {
+ # The rename failed, perhaps because mv can't rename something else
+ # to itself, or perhaps because mv is so ancient that it does not
+ # support -f.
+
+ # Now remove or move aside any old file at destination location.
+ # We try this two ways since rm can't unlink itself on some
+ # systems and the destination file might be busy for other
+ # reasons. In this case, the final cleanup might fail but the new
+ # file should still install successfully.
+ {
+ if test -f "$dstdir/$dstfile"; then
+ $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
+ || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
+ || {
+ echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
+ (exit 1); exit 1
+ }
+ else
+ :
+ fi
+ } &&
+
+ # Now rename the file to the real destination.
+ $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
+ }
+ }
+ fi || { (exit 1); exit 1; }
+done
+
+# The final little trick to "correctly" pass the exit status to the exit trap.
+{
+ (exit 0); exit 0
+}
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
--- /dev/null
+# ltmain.sh - Provide generalized library-building support services.
+# NOTE: Changing this file will not affect anything until you rerun configure.
+#
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
+# 2007, 2008 Free Software Foundation, Inc.
+# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+basename="s,^.*/,,g"
+
+# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
+# is ksh but when the shell is invoked as "sh" and the current value of
+# the _XPG environment variable is not equal to 1 (one), the special
+# positional parameter $0, within a function call, is the name of the
+# function.
+progpath="$0"
+
+# The name of this program:
+progname=`echo "$progpath" | $SED $basename`
+modename="$progname"
+
+# Global variables:
+EXIT_SUCCESS=0
+EXIT_FAILURE=1
+
+PROGRAM=ltmain.sh
+PACKAGE=libtool
+VERSION="1.5.26 Debian 1.5.26-1ubuntu1"
+TIMESTAMP=" (1.1220.2.493 2008/02/01 16:58:18)"
+
+# Be Bourne compatible (taken from Autoconf:_AS_BOURNE_COMPATIBLE).
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '${1+"$@"}'='"$@"'
+ setopt NO_GLOB_SUBST
+else
+ case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# Check that we have a working $echo.
+if test "X$1" = X--no-reexec; then
+ # Discard the --no-reexec flag, and continue.
+ shift
+elif test "X$1" = X--fallback-echo; then
+ # Avoid inline document here, it may be left over
+ :
+elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
+ # Yippee, $echo works!
+ :
+else
+ # Restart under the correct shell, and then maybe $echo will work.
+ exec $SHELL "$progpath" --no-reexec ${1+"$@"}
+fi
+
+if test "X$1" = X--fallback-echo; then
+ # used as fallback echo
+ shift
+ cat <<EOF
+$*
+EOF
+ exit $EXIT_SUCCESS
+fi
+
+default_mode=
+help="Try \`$progname --help' for more information."
+magic="%%%MAGIC variable%%%"
+mkdir="mkdir"
+mv="mv -f"
+rm="rm -f"
+
+# Sed substitution that helps us do robust quoting. It backslashifies
+# metacharacters that are still active within double-quoted strings.
+Xsed="${SED}"' -e 1s/^X//'
+sed_quote_subst='s/\([\\`\\"$\\\\]\)/\\\1/g'
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+ # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+ SP2NL='tr \040 \012'
+ NL2SP='tr \015\012 \040\040'
+ ;;
+ *) # EBCDIC based system
+ SP2NL='tr \100 \n'
+ NL2SP='tr \r\n \100\100'
+ ;;
+esac
+
+# NLS nuisances.
+# Only set LANG and LC_ALL to C if already set.
+# These must not be set unconditionally because not all systems understand
+# e.g. LANG=C (notably SCO).
+# We save the old values to restore during execute mode.
+lt_env=
+for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+do
+ eval "if test \"\${$lt_var+set}\" = set; then
+ save_$lt_var=\$$lt_var
+ lt_env=\"$lt_var=\$$lt_var \$lt_env\"
+ $lt_var=C
+ export $lt_var
+ fi"
+done
+
+if test -n "$lt_env"; then
+ lt_env="env $lt_env"
+fi
+
+# Make sure IFS has a sensible default
+lt_nl='
+'
+IFS=" $lt_nl"
+
+if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then
+ $echo "$modename: not configured to build any kind of library" 1>&2
+ $echo "Fatal configuration error. See the $PACKAGE docs for more information." 1>&2
+ exit $EXIT_FAILURE
+fi
+
+# Global variables.
+mode=$default_mode
+nonopt=
+prev=
+prevopt=
+run=
+show="$echo"
+show_help=
+execute_dlfiles=
+duplicate_deps=no
+preserve_args=
+lo2o="s/\\.lo\$/.${objext}/"
+o2lo="s/\\.${objext}\$/.lo/"
+extracted_archives=
+extracted_serial=0
+
+#####################################
+# Shell function definitions:
+# This seems to be the best place for them
+
+# func_mktempdir [string]
+# Make a temporary directory that won't clash with other running
+# libtool processes, and avoids race conditions if possible. If
+# given, STRING is the basename for that directory.
+func_mktempdir ()
+{
+ my_template="${TMPDIR-/tmp}/${1-$progname}"
+
+ if test "$run" = ":"; then
+ # Return a directory name, but don't create it in dry-run mode
+ my_tmpdir="${my_template}-$$"
+ else
+
+ # If mktemp works, use that first and foremost
+ my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null`
+
+ if test ! -d "$my_tmpdir"; then
+ # Failing that, at least try and use $RANDOM to avoid a race
+ my_tmpdir="${my_template}-${RANDOM-0}$$"
+
+ save_mktempdir_umask=`umask`
+ umask 0077
+ $mkdir "$my_tmpdir"
+ umask $save_mktempdir_umask
+ fi
+
+ # If we're not in dry-run mode, bomb out on failure
+ test -d "$my_tmpdir" || {
+ $echo "cannot create temporary directory \`$my_tmpdir'" 1>&2
+ exit $EXIT_FAILURE
+ }
+ fi
+
+ $echo "X$my_tmpdir" | $Xsed
+}
+
+
+# func_win32_libid arg
+# return the library type of file 'arg'
+#
+# Need a lot of goo to handle *both* DLLs and import libs
+# Has to be a shell function in order to 'eat' the argument
+# that is supplied when $file_magic_command is called.
+func_win32_libid ()
+{
+ win32_libid_type="unknown"
+ win32_fileres=`file -L $1 2>/dev/null`
+ case $win32_fileres in
+ *ar\ archive\ import\ library*) # definitely import
+ win32_libid_type="x86 archive import"
+ ;;
+ *ar\ archive*) # could be an import, or static
+ if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | \
+ $EGREP -e 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then
+ win32_nmres=`eval $NM -f posix -A $1 | \
+ $SED -n -e '1,100{
+ / I /{
+ s,.*,import,
+ p
+ q
+ }
+ }'`
+ case $win32_nmres in
+ import*) win32_libid_type="x86 archive import";;
+ *) win32_libid_type="x86 archive static";;
+ esac
+ fi
+ ;;
+ *DLL*)
+ win32_libid_type="x86 DLL"
+ ;;
+ *executable*) # but shell scripts are "executable" too...
+ case $win32_fileres in
+ *MS\ Windows\ PE\ Intel*)
+ win32_libid_type="x86 DLL"
+ ;;
+ esac
+ ;;
+ esac
+ $echo $win32_libid_type
+}
+
+
+# func_infer_tag arg
+# Infer tagged configuration to use if any are available and
+# if one wasn't chosen via the "--tag" command line option.
+# Only attempt this if the compiler in the base compile
+# command doesn't match the default compiler.
+# arg is usually of the form 'gcc ...'
+func_infer_tag ()
+{
+ if test -n "$available_tags" && test -z "$tagname"; then
+ CC_quoted=
+ for arg in $CC; do
+ case $arg in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ arg="\"$arg\""
+ ;;
+ esac
+ CC_quoted="$CC_quoted $arg"
+ done
+ case $@ in
+ # Blanks in the command may have been stripped by the calling shell,
+ # but not from the CC environment variable when configure was run.
+ " $CC "* | "$CC "* | " `$echo $CC` "* | "`$echo $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$echo $CC_quoted` "* | "`$echo $CC_quoted` "*) ;;
+ # Blanks at the start of $base_compile will cause this to fail
+ # if we don't check for them as well.
+ *)
+ for z in $available_tags; do
+ if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
+ # Evaluate the configuration.
+ eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
+ CC_quoted=
+ for arg in $CC; do
+ # Double-quote args containing other shell metacharacters.
+ case $arg in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ arg="\"$arg\""
+ ;;
+ esac
+ CC_quoted="$CC_quoted $arg"
+ done
+ case "$@ " in
+ " $CC "* | "$CC "* | " `$echo $CC` "* | "`$echo $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$echo $CC_quoted` "* | "`$echo $CC_quoted` "*)
+ # The compiler in the base compile command matches
+ # the one in the tagged configuration.
+ # Assume this is the tagged configuration we want.
+ tagname=$z
+ break
+ ;;
+ esac
+ fi
+ done
+ # If $tagname still isn't set, then no tagged configuration
+ # was found and let the user know that the "--tag" command
+ # line option must be used.
+ if test -z "$tagname"; then
+ $echo "$modename: unable to infer tagged configuration"
+ $echo "$modename: specify a tag with \`--tag'" 1>&2
+ exit $EXIT_FAILURE
+# else
+# $echo "$modename: using $tagname tagged configuration"
+ fi
+ ;;
+ esac
+ fi
+}
+
+
+# func_extract_an_archive dir oldlib
+func_extract_an_archive ()
+{
+ f_ex_an_ar_dir="$1"; shift
+ f_ex_an_ar_oldlib="$1"
+
+ $show "(cd $f_ex_an_ar_dir && $AR x $f_ex_an_ar_oldlib)"
+ $run eval "(cd \$f_ex_an_ar_dir && $AR x \$f_ex_an_ar_oldlib)" || exit $?
+ if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
+ :
+ else
+ $echo "$modename: ERROR: object name conflicts: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" 1>&2
+ exit $EXIT_FAILURE
+ fi
+}
+
+# func_extract_archives gentop oldlib ...
+func_extract_archives ()
+{
+ my_gentop="$1"; shift
+ my_oldlibs=${1+"$@"}
+ my_oldobjs=""
+ my_xlib=""
+ my_xabs=""
+ my_xdir=""
+ my_status=""
+
+ $show "${rm}r $my_gentop"
+ $run ${rm}r "$my_gentop"
+ $show "$mkdir $my_gentop"
+ $run $mkdir "$my_gentop"
+ my_status=$?
+ if test "$my_status" -ne 0 && test ! -d "$my_gentop"; then
+ exit $my_status
+ fi
+
+ for my_xlib in $my_oldlibs; do
+ # Extract the objects.
+ case $my_xlib in
+ [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;;
+ *) my_xabs=`pwd`"/$my_xlib" ;;
+ esac
+ my_xlib=`$echo "X$my_xlib" | $Xsed -e 's%^.*/%%'`
+ my_xlib_u=$my_xlib
+ while :; do
+ case " $extracted_archives " in
+ *" $my_xlib_u "*)
+ extracted_serial=`expr $extracted_serial + 1`
+ my_xlib_u=lt$extracted_serial-$my_xlib ;;
+ *) break ;;
+ esac
+ done
+ extracted_archives="$extracted_archives $my_xlib_u"
+ my_xdir="$my_gentop/$my_xlib_u"
+
+ $show "${rm}r $my_xdir"
+ $run ${rm}r "$my_xdir"
+ $show "$mkdir $my_xdir"
+ $run $mkdir "$my_xdir"
+ exit_status=$?
+ if test "$exit_status" -ne 0 && test ! -d "$my_xdir"; then
+ exit $exit_status
+ fi
+ case $host in
+ *-darwin*)
+ $show "Extracting $my_xabs"
+ # Do not bother doing anything if just a dry run
+ if test -z "$run"; then
+ darwin_orig_dir=`pwd`
+ cd $my_xdir || exit $?
+ darwin_archive=$my_xabs
+ darwin_curdir=`pwd`
+ darwin_base_archive=`$echo "X$darwin_archive" | $Xsed -e 's%^.*/%%'`
+ darwin_arches=`lipo -info "$darwin_archive" 2>/dev/null | $EGREP Architectures 2>/dev/null`
+ if test -n "$darwin_arches"; then
+ darwin_arches=`echo "$darwin_arches" | $SED -e 's/.*are://'`
+ darwin_arch=
+ $show "$darwin_base_archive has multiple architectures $darwin_arches"
+ for darwin_arch in $darwin_arches ; do
+ mkdir -p "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+ lipo -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}"
+ cd "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+ func_extract_an_archive "`pwd`" "${darwin_base_archive}"
+ cd "$darwin_curdir"
+ $rm "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}"
+ done # $darwin_arches
+ ## Okay now we have a bunch of thin objects, gotta fatten them up :)
+ darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print| xargs basename | sort -u | $NL2SP`
+ darwin_file=
+ darwin_files=
+ for darwin_file in $darwin_filelist; do
+ darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP`
+ lipo -create -output "$darwin_file" $darwin_files
+ done # $darwin_filelist
+ ${rm}r unfat-$$
+ cd "$darwin_orig_dir"
+ else
+ cd "$darwin_orig_dir"
+ func_extract_an_archive "$my_xdir" "$my_xabs"
+ fi # $darwin_arches
+ fi # $run
+ ;;
+ *)
+ func_extract_an_archive "$my_xdir" "$my_xabs"
+ ;;
+ esac
+ my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP`
+ done
+ func_extract_archives_result="$my_oldobjs"
+}
+# End of Shell function definitions
+#####################################
+
+# Darwin sucks
+eval std_shrext=\"$shrext_cmds\"
+
+disable_libs=no
+
+# Parse our command line options once, thoroughly.
+while test "$#" -gt 0
+do
+ arg="$1"
+ shift
+
+ case $arg in
+ -*=*) optarg=`$echo "X$arg" | $Xsed -e 's/[-_a-zA-Z0-9]*=//'` ;;
+ *) optarg= ;;
+ esac
+
+ # If the previous option needs an argument, assign it.
+ if test -n "$prev"; then
+ case $prev in
+ execute_dlfiles)
+ execute_dlfiles="$execute_dlfiles $arg"
+ ;;
+ tag)
+ tagname="$arg"
+ preserve_args="${preserve_args}=$arg"
+
+ # Check whether tagname contains only valid characters
+ case $tagname in
+ *[!-_A-Za-z0-9,/]*)
+ $echo "$progname: invalid tag name: $tagname" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+
+ case $tagname in
+ CC)
+ # Don't test for the "default" C tag, as we know, it's there, but
+ # not specially marked.
+ ;;
+ *)
+ if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "$progpath" > /dev/null; then
+ taglist="$taglist $tagname"
+ # Evaluate the configuration.
+ eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$tagname'$/,/^# ### END LIBTOOL TAG CONFIG: '$tagname'$/p' < $progpath`"
+ else
+ $echo "$progname: ignoring unknown tag $tagname" 1>&2
+ fi
+ ;;
+ esac
+ ;;
+ *)
+ eval "$prev=\$arg"
+ ;;
+ esac
+
+ prev=
+ prevopt=
+ continue
+ fi
+
+ # Have we seen a non-optional argument yet?
+ case $arg in
+ --help)
+ show_help=yes
+ ;;
+
+ --version)
+ echo "\
+$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP
+
+Copyright (C) 2008 Free Software Foundation, Inc.
+This is free software; see the source for copying conditions. There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+ exit $?
+ ;;
+
+ --config)
+ ${SED} -e '1,/^# ### BEGIN LIBTOOL CONFIG/d' -e '/^# ### END LIBTOOL CONFIG/,$d' $progpath
+ # Now print the configurations for the tags.
+ for tagname in $taglist; do
+ ${SED} -n -e "/^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$/,/^# ### END LIBTOOL TAG CONFIG: $tagname$/p" < "$progpath"
+ done
+ exit $?
+ ;;
+
+ --debug)
+ $echo "$progname: enabling shell trace mode"
+ set -x
+ preserve_args="$preserve_args $arg"
+ ;;
+
+ --dry-run | -n)
+ run=:
+ ;;
+
+ --features)
+ $echo "host: $host"
+ if test "$build_libtool_libs" = yes; then
+ $echo "enable shared libraries"
+ else
+ $echo "disable shared libraries"
+ fi
+ if test "$build_old_libs" = yes; then
+ $echo "enable static libraries"
+ else
+ $echo "disable static libraries"
+ fi
+ exit $?
+ ;;
+
+ --finish) mode="finish" ;;
+
+ --mode) prevopt="--mode" prev=mode ;;
+ --mode=*) mode="$optarg" ;;
+
+ --preserve-dup-deps) duplicate_deps="yes" ;;
+
+ --quiet | --silent)
+ show=:
+ preserve_args="$preserve_args $arg"
+ ;;
+
+ --tag)
+ prevopt="--tag"
+ prev=tag
+ preserve_args="$preserve_args --tag"
+ ;;
+ --tag=*)
+ set tag "$optarg" ${1+"$@"}
+ shift
+ prev=tag
+ preserve_args="$preserve_args --tag"
+ ;;
+
+ -dlopen)
+ prevopt="-dlopen"
+ prev=execute_dlfiles
+ ;;
+
+ -*)
+ $echo "$modename: unrecognized option \`$arg'" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+
+ *)
+ nonopt="$arg"
+ break
+ ;;
+ esac
+done
+
+if test -n "$prevopt"; then
+ $echo "$modename: option \`$prevopt' requires an argument" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+fi
+
+case $disable_libs in
+no)
+ ;;
+shared)
+ build_libtool_libs=no
+ build_old_libs=yes
+ ;;
+static)
+ build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac`
+ ;;
+esac
+
+# If this variable is set in any of the actions, the command in it
+# will be execed at the end. This prevents here-documents from being
+# left over by shells.
+exec_cmd=
+
+if test -z "$show_help"; then
+
+ # Infer the operation mode.
+ if test -z "$mode"; then
+ $echo "*** Warning: inferring the mode of operation is deprecated." 1>&2
+ $echo "*** Future versions of Libtool will require --mode=MODE be specified." 1>&2
+ case $nonopt in
+ *cc | cc* | *++ | gcc* | *-gcc* | g++* | xlc*)
+ mode=link
+ for arg
+ do
+ case $arg in
+ -c)
+ mode=compile
+ break
+ ;;
+ esac
+ done
+ ;;
+ *db | *dbx | *strace | *truss)
+ mode=execute
+ ;;
+ *install*|cp|mv)
+ mode=install
+ ;;
+ *rm)
+ mode=uninstall
+ ;;
+ *)
+ # If we have no mode, but dlfiles were specified, then do execute mode.
+ test -n "$execute_dlfiles" && mode=execute
+
+ # Just use the default operation mode.
+ if test -z "$mode"; then
+ if test -n "$nonopt"; then
+ $echo "$modename: warning: cannot infer operation mode from \`$nonopt'" 1>&2
+ else
+ $echo "$modename: warning: cannot infer operation mode without MODE-ARGS" 1>&2
+ fi
+ fi
+ ;;
+ esac
+ fi
+
+ # Only execute mode is allowed to have -dlopen flags.
+ if test -n "$execute_dlfiles" && test "$mode" != execute; then
+ $echo "$modename: unrecognized option \`-dlopen'" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ # Change the help message to a mode-specific one.
+ generic_help="$help"
+ help="Try \`$modename --help --mode=$mode' for more information."
+
+ # These modes are in order of execution frequency so that they run quickly.
+ case $mode in
+ # libtool compile mode
+ compile)
+ modename="$modename: compile"
+ # Get the compilation command and the source file.
+ base_compile=
+ srcfile="$nonopt" # always keep a non-empty value in "srcfile"
+ suppress_opt=yes
+ suppress_output=
+ arg_mode=normal
+ libobj=
+ later=
+
+ for arg
+ do
+ case $arg_mode in
+ arg )
+ # do not "continue". Instead, add this to base_compile
+ lastarg="$arg"
+ arg_mode=normal
+ ;;
+
+ target )
+ libobj="$arg"
+ arg_mode=normal
+ continue
+ ;;
+
+ normal )
+ # Accept any command-line options.
+ case $arg in
+ -o)
+ if test -n "$libobj" ; then
+ $echo "$modename: you cannot specify \`-o' more than once" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ arg_mode=target
+ continue
+ ;;
+
+ -static | -prefer-pic | -prefer-non-pic)
+ later="$later $arg"
+ continue
+ ;;
+
+ -no-suppress)
+ suppress_opt=no
+ continue
+ ;;
+
+ -Xcompiler)
+ arg_mode=arg # the next one goes into the "base_compile" arg list
+ continue # The current "srcfile" will either be retained or
+ ;; # replaced later. I would guess that would be a bug.
+
+ -Wc,*)
+ args=`$echo "X$arg" | $Xsed -e "s/^-Wc,//"`
+ lastarg=
+ save_ifs="$IFS"; IFS=','
+ for arg in $args; do
+ IFS="$save_ifs"
+
+ # Double-quote args containing other shell metacharacters.
+ # Many Bourne shells cannot handle close brackets correctly
+ # in scan sets, so we specify it separately.
+ case $arg in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ arg="\"$arg\""
+ ;;
+ esac
+ lastarg="$lastarg $arg"
+ done
+ IFS="$save_ifs"
+ lastarg=`$echo "X$lastarg" | $Xsed -e "s/^ //"`
+
+ # Add the arguments to base_compile.
+ base_compile="$base_compile $lastarg"
+ continue
+ ;;
+
+ * )
+ # Accept the current argument as the source file.
+ # The previous "srcfile" becomes the current argument.
+ #
+ lastarg="$srcfile"
+ srcfile="$arg"
+ ;;
+ esac # case $arg
+ ;;
+ esac # case $arg_mode
+
+ # Aesthetically quote the previous argument.
+ lastarg=`$echo "X$lastarg" | $Xsed -e "$sed_quote_subst"`
+
+ case $lastarg in
+ # Double-quote args containing other shell metacharacters.
+ # Many Bourne shells cannot handle close brackets correctly
+ # in scan sets, and some SunOS ksh mistreat backslash-escaping
+ # in scan sets (worked around with variable expansion),
+ # and furthermore cannot handle '|' '&' '(' ')' in scan sets
+ # at all, so we specify them separately.
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ lastarg="\"$lastarg\""
+ ;;
+ esac
+
+ base_compile="$base_compile $lastarg"
+ done # for arg
+
+ case $arg_mode in
+ arg)
+ $echo "$modename: you must specify an argument for -Xcompile"
+ exit $EXIT_FAILURE
+ ;;
+ target)
+ $echo "$modename: you must specify a target with \`-o'" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ *)
+ # Get the name of the library object.
+ [ -z "$libobj" ] && libobj=`$echo "X$srcfile" | $Xsed -e 's%^.*/%%'`
+ ;;
+ esac
+
+ # Recognize several different file suffixes.
+ # If the user specifies -o file.o, it is replaced with file.lo
+ xform='[cCFSifmso]'
+ case $libobj in
+ *.ada) xform=ada ;;
+ *.adb) xform=adb ;;
+ *.ads) xform=ads ;;
+ *.asm) xform=asm ;;
+ *.c++) xform=c++ ;;
+ *.cc) xform=cc ;;
+ *.ii) xform=ii ;;
+ *.class) xform=class ;;
+ *.cpp) xform=cpp ;;
+ *.cxx) xform=cxx ;;
+ *.[fF][09]?) xform=[fF][09]. ;;
+ *.for) xform=for ;;
+ *.java) xform=java ;;
+ *.obj) xform=obj ;;
+ *.sx) xform=sx ;;
+ esac
+
+ libobj=`$echo "X$libobj" | $Xsed -e "s/\.$xform$/.lo/"`
+
+ case $libobj in
+ *.lo) obj=`$echo "X$libobj" | $Xsed -e "$lo2o"` ;;
+ *)
+ $echo "$modename: cannot determine name of library object from \`$libobj'" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+
+ func_infer_tag $base_compile
+
+ for arg in $later; do
+ case $arg in
+ -static)
+ build_old_libs=yes
+ continue
+ ;;
+
+ -prefer-pic)
+ pic_mode=yes
+ continue
+ ;;
+
+ -prefer-non-pic)
+ pic_mode=no
+ continue
+ ;;
+ esac
+ done
+
+ qlibobj=`$echo "X$libobj" | $Xsed -e "$sed_quote_subst"`
+ case $qlibobj in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ qlibobj="\"$qlibobj\"" ;;
+ esac
+ test "X$libobj" != "X$qlibobj" \
+ && $echo "X$libobj" | grep '[]~#^*{};<>?"'"'"' &()|`$[]' \
+ && $echo "$modename: libobj name \`$libobj' may not contain shell special characters."
+ objname=`$echo "X$obj" | $Xsed -e 's%^.*/%%'`
+ xdir=`$echo "X$obj" | $Xsed -e 's%/[^/]*$%%'`
+ if test "X$xdir" = "X$obj"; then
+ xdir=
+ else
+ xdir=$xdir/
+ fi
+ lobj=${xdir}$objdir/$objname
+
+ if test -z "$base_compile"; then
+ $echo "$modename: you must specify a compilation command" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ # Delete any leftover library objects.
+ if test "$build_old_libs" = yes; then
+ removelist="$obj $lobj $libobj ${libobj}T"
+ else
+ removelist="$lobj $libobj ${libobj}T"
+ fi
+
+ $run $rm $removelist
+ trap "$run $rm $removelist; exit $EXIT_FAILURE" 1 2 15
+
+ # On Cygwin there's no "real" PIC flag so we must build both object types
+ case $host_os in
+ cygwin* | mingw* | pw32* | os2*)
+ pic_mode=default
+ ;;
+ esac
+ if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then
+ # non-PIC code in shared libraries is not supported
+ pic_mode=default
+ fi
+
+ # Calculate the filename of the output object if compiler does
+ # not support -o with -c
+ if test "$compiler_c_o" = no; then
+ output_obj=`$echo "X$srcfile" | $Xsed -e 's%^.*/%%' -e 's%\.[^.]*$%%'`.${objext}
+ lockfile="$output_obj.lock"
+ removelist="$removelist $output_obj $lockfile"
+ trap "$run $rm $removelist; exit $EXIT_FAILURE" 1 2 15
+ else
+ output_obj=
+ need_locks=no
+ lockfile=
+ fi
+
+ # Lock this critical section if it is needed
+ # We use this script file to make the link, it avoids creating a new file
+ if test "$need_locks" = yes; then
+ until $run ln "$progpath" "$lockfile" 2>/dev/null; do
+ $show "Waiting for $lockfile to be removed"
+ sleep 2
+ done
+ elif test "$need_locks" = warn; then
+ if test -f "$lockfile"; then
+ $echo "\
+*** ERROR, $lockfile exists and contains:
+`cat $lockfile 2>/dev/null`
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together. If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+ $run $rm $removelist
+ exit $EXIT_FAILURE
+ fi
+ $echo "$srcfile" > "$lockfile"
+ fi
+
+ if test -n "$fix_srcfile_path"; then
+ eval srcfile=\"$fix_srcfile_path\"
+ fi
+ qsrcfile=`$echo "X$srcfile" | $Xsed -e "$sed_quote_subst"`
+ case $qsrcfile in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ qsrcfile="\"$qsrcfile\"" ;;
+ esac
+
+ $run $rm "$libobj" "${libobj}T"
+
+ # Create a libtool object file (analogous to a ".la" file),
+ # but don't create it if we're doing a dry run.
+ test -z "$run" && cat > ${libobj}T <<EOF
+# $libobj - a libtool object file
+# Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+EOF
+
+ # Only build a PIC object if we are building libtool libraries.
+ if test "$build_libtool_libs" = yes; then
+ # Without this assignment, base_compile gets emptied.
+ fbsd_hideous_sh_bug=$base_compile
+
+ if test "$pic_mode" != no; then
+ command="$base_compile $qsrcfile $pic_flag"
+ else
+ # Don't build PIC code
+ command="$base_compile $qsrcfile"
+ fi
+
+ if test ! -d "${xdir}$objdir"; then
+ $show "$mkdir ${xdir}$objdir"
+ $run $mkdir ${xdir}$objdir
+ exit_status=$?
+ if test "$exit_status" -ne 0 && test ! -d "${xdir}$objdir"; then
+ exit $exit_status
+ fi
+ fi
+
+ if test -z "$output_obj"; then
+ # Place PIC objects in $objdir
+ command="$command -o $lobj"
+ fi
+
+ $run $rm "$lobj" "$output_obj"
+
+ $show "$command"
+ if $run eval $lt_env "$command"; then :
+ else
+ test -n "$output_obj" && $run $rm $removelist
+ exit $EXIT_FAILURE
+ fi
+
+ if test "$need_locks" = warn &&
+ test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+ $echo "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together. If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+ $run $rm $removelist
+ exit $EXIT_FAILURE
+ fi
+
+ # Just move the object if needed, then go on to compile the next one
+ if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then
+ $show "$mv $output_obj $lobj"
+ if $run $mv $output_obj $lobj; then :
+ else
+ error=$?
+ $run $rm $removelist
+ exit $error
+ fi
+ fi
+
+ # Append the name of the PIC object to the libtool object file.
+ test -z "$run" && cat >> ${libobj}T <<EOF
+pic_object='$objdir/$objname'
+
+EOF
+
+ # Allow error messages only from the first compilation.
+ if test "$suppress_opt" = yes; then
+ suppress_output=' >/dev/null 2>&1'
+ fi
+ else
+ # No PIC object so indicate it doesn't exist in the libtool
+ # object file.
+ test -z "$run" && cat >> ${libobj}T <<EOF
+pic_object=none
+
+EOF
+ fi
+
+ # Only build a position-dependent object if we build old libraries.
+ if test "$build_old_libs" = yes; then
+ if test "$pic_mode" != yes; then
+ # Don't build PIC code
+ command="$base_compile $qsrcfile"
+ else
+ command="$base_compile $qsrcfile $pic_flag"
+ fi
+ if test "$compiler_c_o" = yes; then
+ command="$command -o $obj"
+ fi
+
+ # Suppress compiler output if we already did a PIC compilation.
+ command="$command$suppress_output"
+ $run $rm "$obj" "$output_obj"
+ $show "$command"
+ if $run eval $lt_env "$command"; then :
+ else
+ $run $rm $removelist
+ exit $EXIT_FAILURE
+ fi
+
+ if test "$need_locks" = warn &&
+ test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+ $echo "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together. If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+ $run $rm $removelist
+ exit $EXIT_FAILURE
+ fi
+
+ # Just move the object if needed
+ if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then
+ $show "$mv $output_obj $obj"
+ if $run $mv $output_obj $obj; then :
+ else
+ error=$?
+ $run $rm $removelist
+ exit $error
+ fi
+ fi
+
+ # Append the name of the non-PIC object the libtool object file.
+ # Only append if the libtool object file exists.
+ test -z "$run" && cat >> ${libobj}T <<EOF
+# Name of the non-PIC object.
+non_pic_object='$objname'
+
+EOF
+ else
+ # Append the name of the non-PIC object the libtool object file.
+ # Only append if the libtool object file exists.
+ test -z "$run" && cat >> ${libobj}T <<EOF
+# Name of the non-PIC object.
+non_pic_object=none
+
+EOF
+ fi
+
+ $run $mv "${libobj}T" "${libobj}"
+
+ # Unlock the critical section if it was locked
+ if test "$need_locks" != no; then
+ $run $rm "$lockfile"
+ fi
+
+ exit $EXIT_SUCCESS
+ ;;
+
+ # libtool link mode
+ link | relink)
+ modename="$modename: link"
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
+ # It is impossible to link a dll without this setting, and
+ # we shouldn't force the makefile maintainer to figure out
+ # which system we are compiling for in order to pass an extra
+ # flag for every libtool invocation.
+ # allow_undefined=no
+
+ # FIXME: Unfortunately, there are problems with the above when trying
+ # to make a dll which has undefined symbols, in which case not
+ # even a static library is built. For now, we need to specify
+ # -no-undefined on the libtool link line when we can be certain
+ # that all symbols are satisfied, otherwise we get a static library.
+ allow_undefined=yes
+ ;;
+ *)
+ allow_undefined=yes
+ ;;
+ esac
+ libtool_args="$nonopt"
+ base_compile="$nonopt $@"
+ compile_command="$nonopt"
+ finalize_command="$nonopt"
+
+ compile_rpath=
+ finalize_rpath=
+ compile_shlibpath=
+ finalize_shlibpath=
+ convenience=
+ old_convenience=
+ deplibs=
+ old_deplibs=
+ compiler_flags=
+ linker_flags=
+ dllsearchpath=
+ lib_search_path=`pwd`
+ inst_prefix_dir=
+
+ avoid_version=no
+ dlfiles=
+ dlprefiles=
+ dlself=no
+ export_dynamic=no
+ export_symbols=
+ export_symbols_regex=
+ generated=
+ libobjs=
+ ltlibs=
+ module=no
+ no_install=no
+ objs=
+ non_pic_objects=
+ notinst_path= # paths that contain not-installed libtool libraries
+ precious_files_regex=
+ prefer_static_libs=no
+ preload=no
+ prev=
+ prevarg=
+ release=
+ rpath=
+ xrpath=
+ perm_rpath=
+ temp_rpath=
+ thread_safe=no
+ vinfo=
+ vinfo_number=no
+ single_module="${wl}-single_module"
+
+ func_infer_tag $base_compile
+
+ # We need to know -static, to get the right output filenames.
+ for arg
+ do
+ case $arg in
+ -all-static | -static | -static-libtool-libs)
+ case $arg in
+ -all-static)
+ if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
+ $echo "$modename: warning: complete static linking is impossible in this configuration" 1>&2
+ fi
+ if test -n "$link_static_flag"; then
+ dlopen_self=$dlopen_self_static
+ fi
+ prefer_static_libs=yes
+ ;;
+ -static)
+ if test -z "$pic_flag" && test -n "$link_static_flag"; then
+ dlopen_self=$dlopen_self_static
+ fi
+ prefer_static_libs=built
+ ;;
+ -static-libtool-libs)
+ if test -z "$pic_flag" && test -n "$link_static_flag"; then
+ dlopen_self=$dlopen_self_static
+ fi
+ prefer_static_libs=yes
+ ;;
+ esac
+ build_libtool_libs=no
+ build_old_libs=yes
+ break
+ ;;
+ esac
+ done
+
+ # See if our shared archives depend on static archives.
+ test -n "$old_archive_from_new_cmds" && build_old_libs=yes
+
+ # Go through the arguments, transforming them on the way.
+ while test "$#" -gt 0; do
+ arg="$1"
+ shift
+ case $arg in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ qarg=\"`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`\" ### testsuite: skip nested quoting test
+ ;;
+ *) qarg=$arg ;;
+ esac
+ libtool_args="$libtool_args $qarg"
+
+ # If the previous option needs an argument, assign it.
+ if test -n "$prev"; then
+ case $prev in
+ output)
+ compile_command="$compile_command @OUTPUT@"
+ finalize_command="$finalize_command @OUTPUT@"
+ ;;
+ esac
+
+ case $prev in
+ dlfiles|dlprefiles)
+ if test "$preload" = no; then
+ # Add the symbol object into the linking commands.
+ compile_command="$compile_command @SYMFILE@"
+ finalize_command="$finalize_command @SYMFILE@"
+ preload=yes
+ fi
+ case $arg in
+ *.la | *.lo) ;; # We handle these cases below.
+ force)
+ if test "$dlself" = no; then
+ dlself=needless
+ export_dynamic=yes
+ fi
+ prev=
+ continue
+ ;;
+ self)
+ if test "$prev" = dlprefiles; then
+ dlself=yes
+ elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then
+ dlself=yes
+ else
+ dlself=needless
+ export_dynamic=yes
+ fi
+ prev=
+ continue
+ ;;
+ *)
+ if test "$prev" = dlfiles; then
+ dlfiles="$dlfiles $arg"
+ else
+ dlprefiles="$dlprefiles $arg"
+ fi
+ prev=
+ continue
+ ;;
+ esac
+ ;;
+ expsyms)
+ export_symbols="$arg"
+ if test ! -f "$arg"; then
+ $echo "$modename: symbol file \`$arg' does not exist"
+ exit $EXIT_FAILURE
+ fi
+ prev=
+ continue
+ ;;
+ expsyms_regex)
+ export_symbols_regex="$arg"
+ prev=
+ continue
+ ;;
+ inst_prefix)
+ inst_prefix_dir="$arg"
+ prev=
+ continue
+ ;;
+ precious_regex)
+ precious_files_regex="$arg"
+ prev=
+ continue
+ ;;
+ release)
+ release="-$arg"
+ prev=
+ continue
+ ;;
+ objectlist)
+ if test -f "$arg"; then
+ save_arg=$arg
+ moreargs=
+ for fil in `cat $save_arg`
+ do
+# moreargs="$moreargs $fil"
+ arg=$fil
+ # A libtool-controlled object.
+
+ # Check to see that this really is a libtool object.
+ if (${SED} -e '2q' $arg | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+ pic_object=
+ non_pic_object=
+
+ # Read the .lo file
+ # If there is no directory component, then add one.
+ case $arg in
+ */* | *\\*) . $arg ;;
+ *) . ./$arg ;;
+ esac
+
+ if test -z "$pic_object" || \
+ test -z "$non_pic_object" ||
+ test "$pic_object" = none && \
+ test "$non_pic_object" = none; then
+ $echo "$modename: cannot find name of object for \`$arg'" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ # Extract subdirectory from the argument.
+ xdir=`$echo "X$arg" | $Xsed -e 's%/[^/]*$%%'`
+ if test "X$xdir" = "X$arg"; then
+ xdir=
+ else
+ xdir="$xdir/"
+ fi
+
+ if test "$pic_object" != none; then
+ # Prepend the subdirectory the object is found in.
+ pic_object="$xdir$pic_object"
+
+ if test "$prev" = dlfiles; then
+ if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+ dlfiles="$dlfiles $pic_object"
+ prev=
+ continue
+ else
+ # If libtool objects are unsupported, then we need to preload.
+ prev=dlprefiles
+ fi
+ fi
+
+ # CHECK ME: I think I busted this. -Ossama
+ if test "$prev" = dlprefiles; then
+ # Preload the old-style object.
+ dlprefiles="$dlprefiles $pic_object"
+ prev=
+ fi
+
+ # A PIC object.
+ libobjs="$libobjs $pic_object"
+ arg="$pic_object"
+ fi
+
+ # Non-PIC object.
+ if test "$non_pic_object" != none; then
+ # Prepend the subdirectory the object is found in.
+ non_pic_object="$xdir$non_pic_object"
+
+ # A standard non-PIC object
+ non_pic_objects="$non_pic_objects $non_pic_object"
+ if test -z "$pic_object" || test "$pic_object" = none ; then
+ arg="$non_pic_object"
+ fi
+ else
+ # If the PIC object exists, use it instead.
+ # $xdir was prepended to $pic_object above.
+ non_pic_object="$pic_object"
+ non_pic_objects="$non_pic_objects $non_pic_object"
+ fi
+ else
+ # Only an error if not doing a dry-run.
+ if test -z "$run"; then
+ $echo "$modename: \`$arg' is not a valid libtool object" 1>&2
+ exit $EXIT_FAILURE
+ else
+ # Dry-run case.
+
+ # Extract subdirectory from the argument.
+ xdir=`$echo "X$arg" | $Xsed -e 's%/[^/]*$%%'`
+ if test "X$xdir" = "X$arg"; then
+ xdir=
+ else
+ xdir="$xdir/"
+ fi
+
+ pic_object=`$echo "X${xdir}${objdir}/${arg}" | $Xsed -e "$lo2o"`
+ non_pic_object=`$echo "X${xdir}${arg}" | $Xsed -e "$lo2o"`
+ libobjs="$libobjs $pic_object"
+ non_pic_objects="$non_pic_objects $non_pic_object"
+ fi
+ fi
+ done
+ else
+ $echo "$modename: link input file \`$save_arg' does not exist"
+ exit $EXIT_FAILURE
+ fi
+ arg=$save_arg
+ prev=
+ continue
+ ;;
+ rpath | xrpath)
+ # We need an absolute path.
+ case $arg in
+ [\\/]* | [A-Za-z]:[\\/]*) ;;
+ *)
+ $echo "$modename: only absolute run-paths are allowed" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+ if test "$prev" = rpath; then
+ case "$rpath " in
+ *" $arg "*) ;;
+ *) rpath="$rpath $arg" ;;
+ esac
+ else
+ case "$xrpath " in
+ *" $arg "*) ;;
+ *) xrpath="$xrpath $arg" ;;
+ esac
+ fi
+ prev=
+ continue
+ ;;
+ xcompiler)
+ compiler_flags="$compiler_flags $qarg"
+ prev=
+ compile_command="$compile_command $qarg"
+ finalize_command="$finalize_command $qarg"
+ continue
+ ;;
+ xlinker)
+ linker_flags="$linker_flags $qarg"
+ compiler_flags="$compiler_flags $wl$qarg"
+ prev=
+ compile_command="$compile_command $wl$qarg"
+ finalize_command="$finalize_command $wl$qarg"
+ continue
+ ;;
+ xcclinker)
+ linker_flags="$linker_flags $qarg"
+ compiler_flags="$compiler_flags $qarg"
+ prev=
+ compile_command="$compile_command $qarg"
+ finalize_command="$finalize_command $qarg"
+ continue
+ ;;
+ shrext)
+ shrext_cmds="$arg"
+ prev=
+ continue
+ ;;
+ darwin_framework|darwin_framework_skip)
+ test "$prev" = "darwin_framework" && compiler_flags="$compiler_flags $arg"
+ compile_command="$compile_command $arg"
+ finalize_command="$finalize_command $arg"
+ prev=
+ continue
+ ;;
+ *)
+ eval "$prev=\"\$arg\""
+ prev=
+ continue
+ ;;
+ esac
+ fi # test -n "$prev"
+
+ prevarg="$arg"
+
+ case $arg in
+ -all-static)
+ if test -n "$link_static_flag"; then
+ compile_command="$compile_command $link_static_flag"
+ finalize_command="$finalize_command $link_static_flag"
+ fi
+ continue
+ ;;
+
+ -allow-undefined)
+ # FIXME: remove this flag sometime in the future.
+ $echo "$modename: \`-allow-undefined' is deprecated because it is the default" 1>&2
+ continue
+ ;;
+
+ -avoid-version)
+ avoid_version=yes
+ continue
+ ;;
+
+ -dlopen)
+ prev=dlfiles
+ continue
+ ;;
+
+ -dlpreopen)
+ prev=dlprefiles
+ continue
+ ;;
+
+ -export-dynamic)
+ export_dynamic=yes
+ continue
+ ;;
+
+ -export-symbols | -export-symbols-regex)
+ if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
+ $echo "$modename: more than one -exported-symbols argument is not allowed"
+ exit $EXIT_FAILURE
+ fi
+ if test "X$arg" = "X-export-symbols"; then
+ prev=expsyms
+ else
+ prev=expsyms_regex
+ fi
+ continue
+ ;;
+
+ -framework|-arch|-isysroot)
+ case " $CC " in
+ *" ${arg} ${1} "* | *" ${arg} ${1} "*)
+ prev=darwin_framework_skip ;;
+ *) compiler_flags="$compiler_flags $arg"
+ prev=darwin_framework ;;
+ esac
+ compile_command="$compile_command $arg"
+ finalize_command="$finalize_command $arg"
+ continue
+ ;;
+
+ -inst-prefix-dir)
+ prev=inst_prefix
+ continue
+ ;;
+
+ # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:*
+ # so, if we see these flags be careful not to treat them like -L
+ -L[A-Z][A-Z]*:*)
+ case $with_gcc/$host in
+ no/*-*-irix* | /*-*-irix*)
+ compile_command="$compile_command $arg"
+ finalize_command="$finalize_command $arg"
+ ;;
+ esac
+ continue
+ ;;
+
+ -L*)
+ dir=`$echo "X$arg" | $Xsed -e 's/^-L//'`
+ # We need an absolute path.
+ case $dir in
+ [\\/]* | [A-Za-z]:[\\/]*) ;;
+ *)
+ absdir=`cd "$dir" && pwd`
+ if test -z "$absdir"; then
+ $echo "$modename: cannot determine absolute directory name of \`$dir'" 1>&2
+ absdir="$dir"
+ notinst_path="$notinst_path $dir"
+ fi
+ dir="$absdir"
+ ;;
+ esac
+ case "$deplibs " in
+ *" -L$dir "*) ;;
+ *)
+ deplibs="$deplibs -L$dir"
+ lib_search_path="$lib_search_path $dir"
+ ;;
+ esac
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
+ testbindir=`$echo "X$dir" | $Xsed -e 's*/lib$*/bin*'`
+ case :$dllsearchpath: in
+ *":$dir:"*) ;;
+ *) dllsearchpath="$dllsearchpath:$dir";;
+ esac
+ case :$dllsearchpath: in
+ *":$testbindir:"*) ;;
+ *) dllsearchpath="$dllsearchpath:$testbindir";;
+ esac
+ ;;
+ esac
+ continue
+ ;;
+
+ -l*)
+ if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos*)
+ # These systems don't actually have a C or math library (as such)
+ continue
+ ;;
+ *-*-os2*)
+ # These systems don't actually have a C library (as such)
+ test "X$arg" = "X-lc" && continue
+ ;;
+ *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+ # Do not include libc due to us having libc/libc_r.
+ test "X$arg" = "X-lc" && continue
+ ;;
+ *-*-rhapsody* | *-*-darwin1.[012])
+ # Rhapsody C and math libraries are in the System framework
+ deplibs="$deplibs -framework System"
+ continue
+ ;;
+ *-*-sco3.2v5* | *-*-sco5v6*)
+ # Causes problems with __ctype
+ test "X$arg" = "X-lc" && continue
+ ;;
+ *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+ # Compiler inserts libc in the correct place for threads to work
+ test "X$arg" = "X-lc" && continue
+ ;;
+ esac
+ elif test "X$arg" = "X-lc_r"; then
+ case $host in
+ *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+ # Do not include libc_r directly, use -pthread flag.
+ continue
+ ;;
+ esac
+ fi
+ deplibs="$deplibs $arg"
+ continue
+ ;;
+
+ # Tru64 UNIX uses -model [arg] to determine the layout of C++
+ # classes, name mangling, and exception handling.
+ -model)
+ compile_command="$compile_command $arg"
+ compiler_flags="$compiler_flags $arg"
+ finalize_command="$finalize_command $arg"
+ prev=xcompiler
+ continue
+ ;;
+
+ -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
+ compiler_flags="$compiler_flags $arg"
+ compile_command="$compile_command $arg"
+ finalize_command="$finalize_command $arg"
+ continue
+ ;;
+
+ -multi_module)
+ single_module="${wl}-multi_module"
+ continue
+ ;;
+
+ -module)
+ module=yes
+ continue
+ ;;
+
+ # -64, -mips[0-9] enable 64-bit mode on the SGI compiler
+ # -r[0-9][0-9]* specifies the processor on the SGI compiler
+ # -xarch=*, -xtarget=* enable 64-bit mode on the Sun compiler
+ # +DA*, +DD* enable 64-bit mode on the HP compiler
+ # -q* pass through compiler args for the IBM compiler
+ # -m* pass through architecture-specific compiler args for GCC
+ # -m*, -t[45]*, -txscale* pass through architecture-specific
+ # compiler args for GCC
+ # -p, -pg, --coverage, -fprofile-* pass through profiling flag for GCC
+ # -F/path gives path to uninstalled frameworks, gcc on darwin
+ # @file GCC response files
+ -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
+ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*)
+
+ # Unknown arguments in both finalize_command and compile_command need
+ # to be aesthetically quoted because they are evaled later.
+ arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
+ case $arg in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ arg="\"$arg\""
+ ;;
+ esac
+ compile_command="$compile_command $arg"
+ finalize_command="$finalize_command $arg"
+ compiler_flags="$compiler_flags $arg"
+ continue
+ ;;
+
+ -shrext)
+ prev=shrext
+ continue
+ ;;
+
+ -no-fast-install)
+ fast_install=no
+ continue
+ ;;
+
+ -no-install)
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin*)
+ # The PATH hackery in wrapper scripts is required on Windows
+ # and Darwin in order for the loader to find any dlls it needs.
+ $echo "$modename: warning: \`-no-install' is ignored for $host" 1>&2
+ $echo "$modename: warning: assuming \`-no-fast-install' instead" 1>&2
+ fast_install=no
+ ;;
+ *) no_install=yes ;;
+ esac
+ continue
+ ;;
+
+ -no-undefined)
+ allow_undefined=no
+ continue
+ ;;
+
+ -objectlist)
+ prev=objectlist
+ continue
+ ;;
+
+ -o) prev=output ;;
+
+ -precious-files-regex)
+ prev=precious_regex
+ continue
+ ;;
+
+ -release)
+ prev=release
+ continue
+ ;;
+
+ -rpath)
+ prev=rpath
+ continue
+ ;;
+
+ -R)
+ prev=xrpath
+ continue
+ ;;
+
+ -R*)
+ dir=`$echo "X$arg" | $Xsed -e 's/^-R//'`
+ # We need an absolute path.
+ case $dir in
+ [\\/]* | [A-Za-z]:[\\/]*) ;;
+ *)
+ $echo "$modename: only absolute run-paths are allowed" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+ case "$xrpath " in
+ *" $dir "*) ;;
+ *) xrpath="$xrpath $dir" ;;
+ esac
+ continue
+ ;;
+
+ -static | -static-libtool-libs)
+ # The effects of -static are defined in a previous loop.
+ # We used to do the same as -all-static on platforms that
+ # didn't have a PIC flag, but the assumption that the effects
+ # would be equivalent was wrong. It would break on at least
+ # Digital Unix and AIX.
+ continue
+ ;;
+
+ -thread-safe)
+ thread_safe=yes
+ continue
+ ;;
+
+ -version-info)
+ prev=vinfo
+ continue
+ ;;
+ -version-number)
+ prev=vinfo
+ vinfo_number=yes
+ continue
+ ;;
+
+ -Wc,*)
+ args=`$echo "X$arg" | $Xsed -e "$sed_quote_subst" -e 's/^-Wc,//'`
+ arg=
+ save_ifs="$IFS"; IFS=','
+ for flag in $args; do
+ IFS="$save_ifs"
+ case $flag in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ flag="\"$flag\""
+ ;;
+ esac
+ arg="$arg $wl$flag"
+ compiler_flags="$compiler_flags $flag"
+ done
+ IFS="$save_ifs"
+ arg=`$echo "X$arg" | $Xsed -e "s/^ //"`
+ ;;
+
+ -Wl,*)
+ args=`$echo "X$arg" | $Xsed -e "$sed_quote_subst" -e 's/^-Wl,//'`
+ arg=
+ save_ifs="$IFS"; IFS=','
+ for flag in $args; do
+ IFS="$save_ifs"
+ case $flag in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ flag="\"$flag\""
+ ;;
+ esac
+ arg="$arg $wl$flag"
+ compiler_flags="$compiler_flags $wl$flag"
+ linker_flags="$linker_flags $flag"
+ done
+ IFS="$save_ifs"
+ arg=`$echo "X$arg" | $Xsed -e "s/^ //"`
+ ;;
+
+ -Xcompiler)
+ prev=xcompiler
+ continue
+ ;;
+
+ -Xlinker)
+ prev=xlinker
+ continue
+ ;;
+
+ -XCClinker)
+ prev=xcclinker
+ continue
+ ;;
+
+ # Some other compiler flag.
+ -* | +*)
+ # Unknown arguments in both finalize_command and compile_command need
+ # to be aesthetically quoted because they are evaled later.
+ arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
+ case $arg in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ arg="\"$arg\""
+ ;;
+ esac
+ ;;
+
+ *.$objext)
+ # A standard object.
+ objs="$objs $arg"
+ ;;
+
+ *.lo)
+ # A libtool-controlled object.
+
+ # Check to see that this really is a libtool object.
+ if (${SED} -e '2q' $arg | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+ pic_object=
+ non_pic_object=
+
+ # Read the .lo file
+ # If there is no directory component, then add one.
+ case $arg in
+ */* | *\\*) . $arg ;;
+ *) . ./$arg ;;
+ esac
+
+ if test -z "$pic_object" || \
+ test -z "$non_pic_object" ||
+ test "$pic_object" = none && \
+ test "$non_pic_object" = none; then
+ $echo "$modename: cannot find name of object for \`$arg'" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ # Extract subdirectory from the argument.
+ xdir=`$echo "X$arg" | $Xsed -e 's%/[^/]*$%%'`
+ if test "X$xdir" = "X$arg"; then
+ xdir=
+ else
+ xdir="$xdir/"
+ fi
+
+ if test "$pic_object" != none; then
+ # Prepend the subdirectory the object is found in.
+ pic_object="$xdir$pic_object"
+
+ if test "$prev" = dlfiles; then
+ if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+ dlfiles="$dlfiles $pic_object"
+ prev=
+ continue
+ else
+ # If libtool objects are unsupported, then we need to preload.
+ prev=dlprefiles
+ fi
+ fi
+
+ # CHECK ME: I think I busted this. -Ossama
+ if test "$prev" = dlprefiles; then
+ # Preload the old-style object.
+ dlprefiles="$dlprefiles $pic_object"
+ prev=
+ fi
+
+ # A PIC object.
+ libobjs="$libobjs $pic_object"
+ arg="$pic_object"
+ fi
+
+ # Non-PIC object.
+ if test "$non_pic_object" != none; then
+ # Prepend the subdirectory the object is found in.
+ non_pic_object="$xdir$non_pic_object"
+
+ # A standard non-PIC object
+ non_pic_objects="$non_pic_objects $non_pic_object"
+ if test -z "$pic_object" || test "$pic_object" = none ; then
+ arg="$non_pic_object"
+ fi
+ else
+ # If the PIC object exists, use it instead.
+ # $xdir was prepended to $pic_object above.
+ non_pic_object="$pic_object"
+ non_pic_objects="$non_pic_objects $non_pic_object"
+ fi
+ else
+ # Only an error if not doing a dry-run.
+ if test -z "$run"; then
+ $echo "$modename: \`$arg' is not a valid libtool object" 1>&2
+ exit $EXIT_FAILURE
+ else
+ # Dry-run case.
+
+ # Extract subdirectory from the argument.
+ xdir=`$echo "X$arg" | $Xsed -e 's%/[^/]*$%%'`
+ if test "X$xdir" = "X$arg"; then
+ xdir=
+ else
+ xdir="$xdir/"
+ fi
+
+ pic_object=`$echo "X${xdir}${objdir}/${arg}" | $Xsed -e "$lo2o"`
+ non_pic_object=`$echo "X${xdir}${arg}" | $Xsed -e "$lo2o"`
+ libobjs="$libobjs $pic_object"
+ non_pic_objects="$non_pic_objects $non_pic_object"
+ fi
+ fi
+ ;;
+
+ *.$libext)
+ # An archive.
+ deplibs="$deplibs $arg"
+ old_deplibs="$old_deplibs $arg"
+ continue
+ ;;
+
+ *.la)
+ # A libtool-controlled library.
+
+ if test "$prev" = dlfiles; then
+ # This library was specified with -dlopen.
+ dlfiles="$dlfiles $arg"
+ prev=
+ elif test "$prev" = dlprefiles; then
+ # The library was specified with -dlpreopen.
+ dlprefiles="$dlprefiles $arg"
+ prev=
+ else
+ deplibs="$deplibs $arg"
+ fi
+ continue
+ ;;
+
+ # Some other compiler argument.
+ *)
+ # Unknown arguments in both finalize_command and compile_command need
+ # to be aesthetically quoted because they are evaled later.
+ arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
+ case $arg in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ arg="\"$arg\""
+ ;;
+ esac
+ ;;
+ esac # arg
+
+ # Now actually substitute the argument into the commands.
+ if test -n "$arg"; then
+ compile_command="$compile_command $arg"
+ finalize_command="$finalize_command $arg"
+ fi
+ done # argument parsing loop
+
+ if test -n "$prev"; then
+ $echo "$modename: the \`$prevarg' option requires an argument" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then
+ eval arg=\"$export_dynamic_flag_spec\"
+ compile_command="$compile_command $arg"
+ finalize_command="$finalize_command $arg"
+ fi
+
+ oldlibs=
+ # calculate the name of the file, without its directory
+ outputname=`$echo "X$output" | $Xsed -e 's%^.*/%%'`
+ libobjs_save="$libobjs"
+
+ if test -n "$shlibpath_var"; then
+ # get the directories listed in $shlibpath_var
+ eval shlib_search_path=\`\$echo \"X\${$shlibpath_var}\" \| \$Xsed -e \'s/:/ /g\'\`
+ else
+ shlib_search_path=
+ fi
+ eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
+ eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"
+
+ output_objdir=`$echo "X$output" | $Xsed -e 's%/[^/]*$%%'`
+ if test "X$output_objdir" = "X$output"; then
+ output_objdir="$objdir"
+ else
+ output_objdir="$output_objdir/$objdir"
+ fi
+ # Create the object directory.
+ if test ! -d "$output_objdir"; then
+ $show "$mkdir $output_objdir"
+ $run $mkdir $output_objdir
+ exit_status=$?
+ if test "$exit_status" -ne 0 && test ! -d "$output_objdir"; then
+ exit $exit_status
+ fi
+ fi
+
+ # Determine the type of output
+ case $output in
+ "")
+ $echo "$modename: you must specify an output file" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ *.$libext) linkmode=oldlib ;;
+ *.lo | *.$objext) linkmode=obj ;;
+ *.la) linkmode=lib ;;
+ *) linkmode=prog ;; # Anything else should be a program.
+ esac
+
+ case $host in
+ *cygwin* | *mingw* | *pw32*)
+ # don't eliminate duplications in $postdeps and $predeps
+ duplicate_compiler_generated_deps=yes
+ ;;
+ *)
+ duplicate_compiler_generated_deps=$duplicate_deps
+ ;;
+ esac
+ specialdeplibs=
+
+ libs=
+ # Find all interdependent deplibs by searching for libraries
+ # that are linked more than once (e.g. -la -lb -la)
+ for deplib in $deplibs; do
+ if test "X$duplicate_deps" = "Xyes" ; then
+ case "$libs " in
+ *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+ esac
+ fi
+ libs="$libs $deplib"
+ done
+
+ if test "$linkmode" = lib; then
+ libs="$predeps $libs $compiler_lib_search_path $postdeps"
+
+ # Compute libraries that are listed more than once in $predeps
+ # $postdeps and mark them as special (i.e., whose duplicates are
+ # not to be eliminated).
+ pre_post_deps=
+ if test "X$duplicate_compiler_generated_deps" = "Xyes" ; then
+ for pre_post_dep in $predeps $postdeps; do
+ case "$pre_post_deps " in
+ *" $pre_post_dep "*) specialdeplibs="$specialdeplibs $pre_post_deps" ;;
+ esac
+ pre_post_deps="$pre_post_deps $pre_post_dep"
+ done
+ fi
+ pre_post_deps=
+ fi
+
+ deplibs=
+ newdependency_libs=
+ newlib_search_path=
+ need_relink=no # whether we're linking any uninstalled libtool libraries
+ notinst_deplibs= # not-installed libtool libraries
+ case $linkmode in
+ lib)
+ passes="conv link"
+ for file in $dlfiles $dlprefiles; do
+ case $file in
+ *.la) ;;
+ *)
+ $echo "$modename: libraries can \`-dlopen' only libtool libraries: $file" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+ done
+ ;;
+ prog)
+ compile_deplibs=
+ finalize_deplibs=
+ alldeplibs=no
+ newdlfiles=
+ newdlprefiles=
+ passes="conv scan dlopen dlpreopen link"
+ ;;
+ *) passes="conv"
+ ;;
+ esac
+ for pass in $passes; do
+ if test "$linkmode,$pass" = "lib,link" ||
+ test "$linkmode,$pass" = "prog,scan"; then
+ libs="$deplibs"
+ deplibs=
+ fi
+ if test "$linkmode" = prog; then
+ case $pass in
+ dlopen) libs="$dlfiles" ;;
+ dlpreopen) libs="$dlprefiles" ;;
+ link)
+ libs="$deplibs %DEPLIBS%"
+ test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs"
+ ;;
+ esac
+ fi
+ if test "$pass" = dlopen; then
+ # Collect dlpreopened libraries
+ save_deplibs="$deplibs"
+ deplibs=
+ fi
+ for deplib in $libs; do
+ lib=
+ found=no
+ case $deplib in
+ -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ compiler_flags="$compiler_flags $deplib"
+ fi
+ continue
+ ;;
+ -l*)
+ if test "$linkmode" != lib && test "$linkmode" != prog; then
+ $echo "$modename: warning: \`-l' is ignored for archives/objects" 1>&2
+ continue
+ fi
+ name=`$echo "X$deplib" | $Xsed -e 's/^-l//'`
+ if test "$linkmode" = lib; then
+ searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path"
+ else
+ searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path"
+ fi
+ for searchdir in $searchdirs; do
+ for search_ext in .la $std_shrext .so .a; do
+ # Search the libtool library
+ lib="$searchdir/lib${name}${search_ext}"
+ if test -f "$lib"; then
+ if test "$search_ext" = ".la"; then
+ found=yes
+ else
+ found=no
+ fi
+ break 2
+ fi
+ done
+ done
+ if test "$found" != yes; then
+ # deplib doesn't seem to be a libtool library
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ deplibs="$deplib $deplibs"
+ test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+ fi
+ continue
+ else # deplib is a libtool library
+ # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib,
+ # We need to do some special things here, and not later.
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $deplib "*)
+ if (${SED} -e '2q' $lib |
+ grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+ library_names=
+ old_library=
+ case $lib in
+ */* | *\\*) . $lib ;;
+ *) . ./$lib ;;
+ esac
+ for l in $old_library $library_names; do
+ ll="$l"
+ done
+ if test "X$ll" = "X$old_library" ; then # only static version available
+ found=no
+ ladir=`$echo "X$lib" | $Xsed -e 's%/[^/]*$%%'`
+ test "X$ladir" = "X$lib" && ladir="."
+ lib=$ladir/$old_library
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ deplibs="$deplib $deplibs"
+ test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+ fi
+ continue
+ fi
+ fi
+ ;;
+ *) ;;
+ esac
+ fi
+ fi
+ ;; # -l
+ -L*)
+ case $linkmode in
+ lib)
+ deplibs="$deplib $deplibs"
+ test "$pass" = conv && continue
+ newdependency_libs="$deplib $newdependency_libs"
+ newlib_search_path="$newlib_search_path "`$echo "X$deplib" | $Xsed -e 's/^-L//'`
+ ;;
+ prog)
+ if test "$pass" = conv; then
+ deplibs="$deplib $deplibs"
+ continue
+ fi
+ if test "$pass" = scan; then
+ deplibs="$deplib $deplibs"
+ else
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ fi
+ newlib_search_path="$newlib_search_path "`$echo "X$deplib" | $Xsed -e 's/^-L//'`
+ ;;
+ *)
+ $echo "$modename: warning: \`-L' is ignored for archives/objects" 1>&2
+ ;;
+ esac # linkmode
+ continue
+ ;; # -L
+ -R*)
+ if test "$pass" = link; then
+ dir=`$echo "X$deplib" | $Xsed -e 's/^-R//'`
+ # Make sure the xrpath contains only unique directories.
+ case "$xrpath " in
+ *" $dir "*) ;;
+ *) xrpath="$xrpath $dir" ;;
+ esac
+ fi
+ deplibs="$deplib $deplibs"
+ continue
+ ;;
+ *.la) lib="$deplib" ;;
+ *.$libext)
+ if test "$pass" = conv; then
+ deplibs="$deplib $deplibs"
+ continue
+ fi
+ case $linkmode in
+ lib)
+ valid_a_lib=no
+ case $deplibs_check_method in
+ match_pattern*)
+ set dummy $deplibs_check_method
+ match_pattern_regex=`expr "$deplibs_check_method" : "$2 \(.*\)"`
+ if eval $echo \"$deplib\" 2>/dev/null \
+ | $SED 10q \
+ | $EGREP "$match_pattern_regex" > /dev/null; then
+ valid_a_lib=yes
+ fi
+ ;;
+ pass_all)
+ valid_a_lib=yes
+ ;;
+ esac
+ if test "$valid_a_lib" != yes; then
+ $echo
+ $echo "*** Warning: Trying to link with static lib archive $deplib."
+ $echo "*** I have the capability to make that library automatically link in when"
+ $echo "*** you link to this library. But I can only do this if you have a"
+ $echo "*** shared version of the library, which you do not appear to have"
+ $echo "*** because the file extensions .$libext of this argument makes me believe"
+ $echo "*** that it is just a static archive that I should not used here."
+ else
+ $echo
+ $echo "*** Warning: Linking the shared library $output against the"
+ $echo "*** static library $deplib is not portable!"
+ deplibs="$deplib $deplibs"
+ fi
+ continue
+ ;;
+ prog)
+ if test "$pass" != link; then
+ deplibs="$deplib $deplibs"
+ else
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ fi
+ continue
+ ;;
+ esac # linkmode
+ ;; # *.$libext
+ *.lo | *.$objext)
+ if test "$pass" = conv; then
+ deplibs="$deplib $deplibs"
+ elif test "$linkmode" = prog; then
+ if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then
+ # If there is no dlopen support or we're linking statically,
+ # we need to preload.
+ newdlprefiles="$newdlprefiles $deplib"
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ newdlfiles="$newdlfiles $deplib"
+ fi
+ fi
+ continue
+ ;;
+ %DEPLIBS%)
+ alldeplibs=yes
+ continue
+ ;;
+ esac # case $deplib
+ if test "$found" = yes || test -f "$lib"; then :
+ else
+ $echo "$modename: cannot find the library \`$lib' or unhandled argument \`$deplib'" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ # Check to see that this really is a libtool archive.
+ if (${SED} -e '2q' $lib | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then :
+ else
+ $echo "$modename: \`$lib' is not a valid libtool archive" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ ladir=`$echo "X$lib" | $Xsed -e 's%/[^/]*$%%'`
+ test "X$ladir" = "X$lib" && ladir="."
+
+ dlname=
+ dlopen=
+ dlpreopen=
+ libdir=
+ library_names=
+ old_library=
+ # If the library was installed with an old release of libtool,
+ # it will not redefine variables installed, or shouldnotlink
+ installed=yes
+ shouldnotlink=no
+ avoidtemprpath=
+
+
+ # Read the .la file
+ case $lib in
+ */* | *\\*) . $lib ;;
+ *) . ./$lib ;;
+ esac
+
+ if test "$linkmode,$pass" = "lib,link" ||
+ test "$linkmode,$pass" = "prog,scan" ||
+ { test "$linkmode" != prog && test "$linkmode" != lib; }; then
+ test -n "$dlopen" && dlfiles="$dlfiles $dlopen"
+ test -n "$dlpreopen" && dlprefiles="$dlprefiles $dlpreopen"
+ fi
+
+ if test "$pass" = conv; then
+ # Only check for convenience libraries
+ deplibs="$lib $deplibs"
+ if test -z "$libdir"; then
+ if test -z "$old_library"; then
+ $echo "$modename: cannot find name of link library for \`$lib'" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ # It is a libtool convenience library, so add in its objects.
+ convenience="$convenience $ladir/$objdir/$old_library"
+ old_convenience="$old_convenience $ladir/$objdir/$old_library"
+ tmp_libs=
+ for deplib in $dependency_libs; do
+ deplibs="$deplib $deplibs"
+ if test "X$duplicate_deps" = "Xyes" ; then
+ case "$tmp_libs " in
+ *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+ esac
+ fi
+ tmp_libs="$tmp_libs $deplib"
+ done
+ elif test "$linkmode" != prog && test "$linkmode" != lib; then
+ $echo "$modename: \`$lib' is not a convenience library" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ continue
+ fi # $pass = conv
+
+
+ # Get the name of the library we link against.
+ linklib=
+ for l in $old_library $library_names; do
+ linklib="$l"
+ done
+ if test -z "$linklib"; then
+ $echo "$modename: cannot find name of link library for \`$lib'" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ # This library was specified with -dlopen.
+ if test "$pass" = dlopen; then
+ if test -z "$libdir"; then
+ $echo "$modename: cannot -dlopen a convenience library: \`$lib'" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ if test -z "$dlname" ||
+ test "$dlopen_support" != yes ||
+ test "$build_libtool_libs" = no; then
+ # If there is no dlname, no dlopen support or we're linking
+ # statically, we need to preload. We also need to preload any
+ # dependent libraries so libltdl's deplib preloader doesn't
+ # bomb out in the load deplibs phase.
+ dlprefiles="$dlprefiles $lib $dependency_libs"
+ else
+ newdlfiles="$newdlfiles $lib"
+ fi
+ continue
+ fi # $pass = dlopen
+
+ # We need an absolute path.
+ case $ladir in
+ [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;;
+ *)
+ abs_ladir=`cd "$ladir" && pwd`
+ if test -z "$abs_ladir"; then
+ $echo "$modename: warning: cannot determine absolute directory name of \`$ladir'" 1>&2
+ $echo "$modename: passing it literally to the linker, although it might fail" 1>&2
+ abs_ladir="$ladir"
+ fi
+ ;;
+ esac
+ laname=`$echo "X$lib" | $Xsed -e 's%^.*/%%'`
+
+ # Find the relevant object directory and library name.
+ if test "X$installed" = Xyes; then
+ if test ! -f "$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+ $echo "$modename: warning: library \`$lib' was moved." 1>&2
+ dir="$ladir"
+ absdir="$abs_ladir"
+ libdir="$abs_ladir"
+ else
+ dir="$libdir"
+ absdir="$libdir"
+ fi
+ test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes
+ else
+ if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+ dir="$ladir"
+ absdir="$abs_ladir"
+ # Remove this search path later
+ notinst_path="$notinst_path $abs_ladir"
+ else
+ dir="$ladir/$objdir"
+ absdir="$abs_ladir/$objdir"
+ # Remove this search path later
+ notinst_path="$notinst_path $abs_ladir"
+ fi
+ fi # $installed = yes
+ name=`$echo "X$laname" | $Xsed -e 's/\.la$//' -e 's/^lib//'`
+
+ # This library was specified with -dlpreopen.
+ if test "$pass" = dlpreopen; then
+ if test -z "$libdir"; then
+ $echo "$modename: cannot -dlpreopen a convenience library: \`$lib'" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ # Prefer using a static library (so that no silly _DYNAMIC symbols
+ # are required to link).
+ if test -n "$old_library"; then
+ newdlprefiles="$newdlprefiles $dir/$old_library"
+ # Otherwise, use the dlname, so that lt_dlopen finds it.
+ elif test -n "$dlname"; then
+ newdlprefiles="$newdlprefiles $dir/$dlname"
+ else
+ newdlprefiles="$newdlprefiles $dir/$linklib"
+ fi
+ fi # $pass = dlpreopen
+
+ if test -z "$libdir"; then
+ # Link the convenience library
+ if test "$linkmode" = lib; then
+ deplibs="$dir/$old_library $deplibs"
+ elif test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$dir/$old_library $compile_deplibs"
+ finalize_deplibs="$dir/$old_library $finalize_deplibs"
+ else
+ deplibs="$lib $deplibs" # used for prog,scan pass
+ fi
+ continue
+ fi
+
+
+ if test "$linkmode" = prog && test "$pass" != link; then
+ newlib_search_path="$newlib_search_path $ladir"
+ deplibs="$lib $deplibs"
+
+ linkalldeplibs=no
+ if test "$link_all_deplibs" != no || test -z "$library_names" ||
+ test "$build_libtool_libs" = no; then
+ linkalldeplibs=yes
+ fi
+
+ tmp_libs=
+ for deplib in $dependency_libs; do
+ case $deplib in
+ -L*) newlib_search_path="$newlib_search_path "`$echo "X$deplib" | $Xsed -e 's/^-L//'`;; ### testsuite: skip nested quoting test
+ esac
+ # Need to link against all dependency_libs?
+ if test "$linkalldeplibs" = yes; then
+ deplibs="$deplib $deplibs"
+ else
+ # Need to hardcode shared library paths
+ # or/and link against static libraries
+ newdependency_libs="$deplib $newdependency_libs"
+ fi
+ if test "X$duplicate_deps" = "Xyes" ; then
+ case "$tmp_libs " in
+ *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+ esac
+ fi
+ tmp_libs="$tmp_libs $deplib"
+ done # for deplib
+ continue
+ fi # $linkmode = prog...
+
+ if test "$linkmode,$pass" = "prog,link"; then
+ if test -n "$library_names" &&
+ { { test "$prefer_static_libs" = no ||
+ test "$prefer_static_libs,$installed" = "built,yes"; } ||
+ test -z "$old_library"; }; then
+ # We need to hardcode the library path
+ if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then
+ # Make sure the rpath contains only unique directories.
+ case "$temp_rpath " in
+ *" $dir "*) ;;
+ *" $absdir "*) ;;
+ *) temp_rpath="$temp_rpath $absdir" ;;
+ esac
+ fi
+
+ # Hardcode the library path.
+ # Skip directories that are in the system default run-time
+ # search path.
+ case " $sys_lib_dlsearch_path " in
+ *" $absdir "*) ;;
+ *)
+ case "$compile_rpath " in
+ *" $absdir "*) ;;
+ *) compile_rpath="$compile_rpath $absdir"
+ esac
+ ;;
+ esac
+ case " $sys_lib_dlsearch_path " in
+ *" $libdir "*) ;;
+ *)
+ case "$finalize_rpath " in
+ *" $libdir "*) ;;
+ *) finalize_rpath="$finalize_rpath $libdir"
+ esac
+ ;;
+ esac
+ fi # $linkmode,$pass = prog,link...
+
+ if test "$alldeplibs" = yes &&
+ { test "$deplibs_check_method" = pass_all ||
+ { test "$build_libtool_libs" = yes &&
+ test -n "$library_names"; }; }; then
+ # We only need to search for static libraries
+ continue
+ fi
+ fi
+
+ link_static=no # Whether the deplib will be linked statically
+ use_static_libs=$prefer_static_libs
+ if test "$use_static_libs" = built && test "$installed" = yes ; then
+ use_static_libs=no
+ fi
+ if test -n "$library_names" &&
+ { test "$use_static_libs" = no || test -z "$old_library"; }; then
+ if test "$installed" = no; then
+ notinst_deplibs="$notinst_deplibs $lib"
+ need_relink=yes
+ fi
+ # This is a shared library
+
+ # Warn about portability, can't link against -module's on
+ # some systems (darwin)
+ if test "$shouldnotlink" = yes && test "$pass" = link ; then
+ $echo
+ if test "$linkmode" = prog; then
+ $echo "*** Warning: Linking the executable $output against the loadable module"
+ else
+ $echo "*** Warning: Linking the shared library $output against the loadable module"
+ fi
+ $echo "*** $linklib is not portable!"
+ fi
+ if test "$linkmode" = lib &&
+ test "$hardcode_into_libs" = yes; then
+ # Hardcode the library path.
+ # Skip directories that are in the system default run-time
+ # search path.
+ case " $sys_lib_dlsearch_path " in
+ *" $absdir "*) ;;
+ *)
+ case "$compile_rpath " in
+ *" $absdir "*) ;;
+ *) compile_rpath="$compile_rpath $absdir"
+ esac
+ ;;
+ esac
+ case " $sys_lib_dlsearch_path " in
+ *" $libdir "*) ;;
+ *)
+ case "$finalize_rpath " in
+ *" $libdir "*) ;;
+ *) finalize_rpath="$finalize_rpath $libdir"
+ esac
+ ;;
+ esac
+ fi
+
+ if test -n "$old_archive_from_expsyms_cmds"; then
+ # figure out the soname
+ set dummy $library_names
+ realname="$2"
+ shift; shift
+ libname=`eval \\$echo \"$libname_spec\"`
+ # use dlname if we got it. it's perfectly good, no?
+ if test -n "$dlname"; then
+ soname="$dlname"
+ elif test -n "$soname_spec"; then
+ # bleh windows
+ case $host in
+ *cygwin* | mingw*)
+ major=`expr $current - $age`
+ versuffix="-$major"
+ ;;
+ esac
+ eval soname=\"$soname_spec\"
+ else
+ soname="$realname"
+ fi
+
+ # Make a new name for the extract_expsyms_cmds to use
+ soroot="$soname"
+ soname=`$echo $soroot | ${SED} -e 's/^.*\///'`
+ newlib="libimp-`$echo $soname | ${SED} 's/^lib//;s/\.dll$//'`.a"
+
+ # If the library has no export list, then create one now
+ if test -f "$output_objdir/$soname-def"; then :
+ else
+ $show "extracting exported symbol list from \`$soname'"
+ save_ifs="$IFS"; IFS='~'
+ cmds=$extract_expsyms_cmds
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ $show "$cmd"
+ $run eval "$cmd" || exit $?
+ done
+ IFS="$save_ifs"
+ fi
+
+ # Create $newlib
+ if test -f "$output_objdir/$newlib"; then :; else
+ $show "generating import library for \`$soname'"
+ save_ifs="$IFS"; IFS='~'
+ cmds=$old_archive_from_expsyms_cmds
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ $show "$cmd"
+ $run eval "$cmd" || exit $?
+ done
+ IFS="$save_ifs"
+ fi
+ # make sure the library variables are pointing to the new library
+ dir=$output_objdir
+ linklib=$newlib
+ fi # test -n "$old_archive_from_expsyms_cmds"
+
+ if test "$linkmode" = prog || test "$mode" != relink; then
+ add_shlibpath=
+ add_dir=
+ add=
+ lib_linked=yes
+ case $hardcode_action in
+ immediate | unsupported)
+ if test "$hardcode_direct" = no; then
+ add="$dir/$linklib"
+ case $host in
+ *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;;
+ *-*-sysv4*uw2*) add_dir="-L$dir" ;;
+ *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \
+ *-*-unixware7*) add_dir="-L$dir" ;;
+ *-*-darwin* )
+ # if the lib is a module then we can not link against
+ # it, someone is ignoring the new warnings I added
+ if /usr/bin/file -L $add 2> /dev/null |
+ $EGREP ": [^:]* bundle" >/dev/null ; then
+ $echo "** Warning, lib $linklib is a module, not a shared library"
+ if test -z "$old_library" ; then
+ $echo
+ $echo "** And there doesn't seem to be a static archive available"
+ $echo "** The link will probably fail, sorry"
+ else
+ add="$dir/$old_library"
+ fi
+ fi
+ esac
+ elif test "$hardcode_minus_L" = no; then
+ case $host in
+ *-*-sunos*) add_shlibpath="$dir" ;;
+ esac
+ add_dir="-L$dir"
+ add="-l$name"
+ elif test "$hardcode_shlibpath_var" = no; then
+ add_shlibpath="$dir"
+ add="-l$name"
+ else
+ lib_linked=no
+ fi
+ ;;
+ relink)
+ if test "$hardcode_direct" = yes; then
+ add="$dir/$linklib"
+ elif test "$hardcode_minus_L" = yes; then
+ add_dir="-L$dir"
+ # Try looking first in the location we're being installed to.
+ if test -n "$inst_prefix_dir"; then
+ case $libdir in
+ [\\/]*)
+ add_dir="$add_dir -L$inst_prefix_dir$libdir"
+ ;;
+ esac
+ fi
+ add="-l$name"
+ elif test "$hardcode_shlibpath_var" = yes; then
+ add_shlibpath="$dir"
+ add="-l$name"
+ else
+ lib_linked=no
+ fi
+ ;;
+ *) lib_linked=no ;;
+ esac
+
+ if test "$lib_linked" != yes; then
+ $echo "$modename: configuration error: unsupported hardcode properties"
+ exit $EXIT_FAILURE
+ fi
+
+ if test -n "$add_shlibpath"; then
+ case :$compile_shlibpath: in
+ *":$add_shlibpath:"*) ;;
+ *) compile_shlibpath="$compile_shlibpath$add_shlibpath:" ;;
+ esac
+ fi
+ if test "$linkmode" = prog; then
+ test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs"
+ test -n "$add" && compile_deplibs="$add $compile_deplibs"
+ else
+ test -n "$add_dir" && deplibs="$add_dir $deplibs"
+ test -n "$add" && deplibs="$add $deplibs"
+ if test "$hardcode_direct" != yes && \
+ test "$hardcode_minus_L" != yes && \
+ test "$hardcode_shlibpath_var" = yes; then
+ case :$finalize_shlibpath: in
+ *":$libdir:"*) ;;
+ *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;;
+ esac
+ fi
+ fi
+ fi
+
+ if test "$linkmode" = prog || test "$mode" = relink; then
+ add_shlibpath=
+ add_dir=
+ add=
+ # Finalize command for both is simple: just hardcode it.
+ if test "$hardcode_direct" = yes; then
+ add="$libdir/$linklib"
+ elif test "$hardcode_minus_L" = yes; then
+ add_dir="-L$libdir"
+ add="-l$name"
+ elif test "$hardcode_shlibpath_var" = yes; then
+ case :$finalize_shlibpath: in
+ *":$libdir:"*) ;;
+ *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;;
+ esac
+ add="-l$name"
+ elif test "$hardcode_automatic" = yes; then
+ if test -n "$inst_prefix_dir" &&
+ test -f "$inst_prefix_dir$libdir/$linklib" ; then
+ add="$inst_prefix_dir$libdir/$linklib"
+ else
+ add="$libdir/$linklib"
+ fi
+ else
+ # We cannot seem to hardcode it, guess we'll fake it.
+ add_dir="-L$libdir"
+ # Try looking first in the location we're being installed to.
+ if test -n "$inst_prefix_dir"; then
+ case $libdir in
+ [\\/]*)
+ add_dir="$add_dir -L$inst_prefix_dir$libdir"
+ ;;
+ esac
+ fi
+ add="-l$name"
+ fi
+
+ if test "$linkmode" = prog; then
+ test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs"
+ test -n "$add" && finalize_deplibs="$add $finalize_deplibs"
+ else
+ test -n "$add_dir" && deplibs="$add_dir $deplibs"
+ test -n "$add" && deplibs="$add $deplibs"
+ fi
+ fi
+ elif test "$linkmode" = prog; then
+ # Here we assume that one of hardcode_direct or hardcode_minus_L
+ # is not unsupported. This is valid on all known static and
+ # shared platforms.
+ if test "$hardcode_direct" != unsupported; then
+ test -n "$old_library" && linklib="$old_library"
+ compile_deplibs="$dir/$linklib $compile_deplibs"
+ finalize_deplibs="$dir/$linklib $finalize_deplibs"
+ else
+ compile_deplibs="-l$name -L$dir $compile_deplibs"
+ finalize_deplibs="-l$name -L$dir $finalize_deplibs"
+ fi
+ elif test "$build_libtool_libs" = yes; then
+ # Not a shared library
+ if test "$deplibs_check_method" != pass_all; then
+ # We're trying link a shared library against a static one
+ # but the system doesn't support it.
+
+ # Just print a warning and add the library to dependency_libs so
+ # that the program can be linked against the static library.
+ $echo
+ $echo "*** Warning: This system can not link to static lib archive $lib."
+ $echo "*** I have the capability to make that library automatically link in when"
+ $echo "*** you link to this library. But I can only do this if you have a"
+ $echo "*** shared version of the library, which you do not appear to have."
+ if test "$module" = yes; then
+ $echo "*** But as you try to build a module library, libtool will still create "
+ $echo "*** a static module, that should work as long as the dlopening application"
+ $echo "*** is linked with the -dlopen flag to resolve symbols at runtime."
+ if test -z "$global_symbol_pipe"; then
+ $echo
+ $echo "*** However, this would only work if libtool was able to extract symbol"
+ $echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+ $echo "*** not find such a program. So, this module is probably useless."
+ $echo "*** \`nm' from GNU binutils and a full rebuild may help."
+ fi
+ if test "$build_old_libs" = no; then
+ build_libtool_libs=module
+ build_old_libs=yes
+ else
+ build_libtool_libs=no
+ fi
+ fi
+ else
+ deplibs="$dir/$old_library $deplibs"
+ link_static=yes
+ fi
+ fi # link shared/static library?
+
+ if test "$linkmode" = lib; then
+ if test -n "$dependency_libs" &&
+ { test "$hardcode_into_libs" != yes ||
+ test "$build_old_libs" = yes ||
+ test "$link_static" = yes; }; then
+ # Extract -R from dependency_libs
+ temp_deplibs=
+ for libdir in $dependency_libs; do
+ case $libdir in
+ -R*) temp_xrpath=`$echo "X$libdir" | $Xsed -e 's/^-R//'`
+ case " $xrpath " in
+ *" $temp_xrpath "*) ;;
+ *) xrpath="$xrpath $temp_xrpath";;
+ esac;;
+ *) temp_deplibs="$temp_deplibs $libdir";;
+ esac
+ done
+ dependency_libs="$temp_deplibs"
+ fi
+
+ newlib_search_path="$newlib_search_path $absdir"
+ # Link against this library
+ test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs"
+ # ... and its dependency_libs
+ tmp_libs=
+ for deplib in $dependency_libs; do
+ newdependency_libs="$deplib $newdependency_libs"
+ if test "X$duplicate_deps" = "Xyes" ; then
+ case "$tmp_libs " in
+ *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+ esac
+ fi
+ tmp_libs="$tmp_libs $deplib"
+ done
+
+ if test "$link_all_deplibs" != no; then
+ # Add the search paths of all dependency libraries
+ for deplib in $dependency_libs; do
+ case $deplib in
+ -L*) path="$deplib" ;;
+ *.la)
+ dir=`$echo "X$deplib" | $Xsed -e 's%/[^/]*$%%'`
+ test "X$dir" = "X$deplib" && dir="."
+ # We need an absolute path.
+ case $dir in
+ [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;;
+ *)
+ absdir=`cd "$dir" && pwd`
+ if test -z "$absdir"; then
+ $echo "$modename: warning: cannot determine absolute directory name of \`$dir'" 1>&2
+ absdir="$dir"
+ fi
+ ;;
+ esac
+ if grep "^installed=no" $deplib > /dev/null; then
+ path="$absdir/$objdir"
+ else
+ eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+ if test -z "$libdir"; then
+ $echo "$modename: \`$deplib' is not a valid libtool archive" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ if test "$absdir" != "$libdir"; then
+ $echo "$modename: warning: \`$deplib' seems to be moved" 1>&2
+ fi
+ path="$absdir"
+ fi
+ depdepl=
+ case $host in
+ *-*-darwin*)
+ # we do not want to link against static libs,
+ # but need to link against shared
+ eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib`
+ eval deplibdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+ if test -n "$deplibrary_names" ; then
+ for tmp in $deplibrary_names ; do
+ depdepl=$tmp
+ done
+ if test -f "$deplibdir/$depdepl" ; then
+ depdepl="$deplibdir/$depdepl"
+ elif test -f "$path/$depdepl" ; then
+ depdepl="$path/$depdepl"
+ else
+ # Can't find it, oh well...
+ depdepl=
+ fi
+ # do not add paths which are already there
+ case " $newlib_search_path " in
+ *" $path "*) ;;
+ *) newlib_search_path="$newlib_search_path $path";;
+ esac
+ fi
+ path=""
+ ;;
+ *)
+ path="-L$path"
+ ;;
+ esac
+ ;;
+ -l*)
+ case $host in
+ *-*-darwin*)
+ # Again, we only want to link against shared libraries
+ eval tmp_libs=`$echo "X$deplib" | $Xsed -e "s,^\-l,,"`
+ for tmp in $newlib_search_path ; do
+ if test -f "$tmp/lib$tmp_libs.dylib" ; then
+ eval depdepl="$tmp/lib$tmp_libs.dylib"
+ break
+ fi
+ done
+ path=""
+ ;;
+ *) continue ;;
+ esac
+ ;;
+ *) continue ;;
+ esac
+ case " $deplibs " in
+ *" $path "*) ;;
+ *) deplibs="$path $deplibs" ;;
+ esac
+ case " $deplibs " in
+ *" $depdepl "*) ;;
+ *) deplibs="$depdepl $deplibs" ;;
+ esac
+ done
+ fi # link_all_deplibs != no
+ fi # linkmode = lib
+ done # for deplib in $libs
+ dependency_libs="$newdependency_libs"
+ if test "$pass" = dlpreopen; then
+ # Link the dlpreopened libraries before other libraries
+ for deplib in $save_deplibs; do
+ deplibs="$deplib $deplibs"
+ done
+ fi
+ if test "$pass" != dlopen; then
+ if test "$pass" != conv; then
+ # Make sure lib_search_path contains only unique directories.
+ lib_search_path=
+ for dir in $newlib_search_path; do
+ case "$lib_search_path " in
+ *" $dir "*) ;;
+ *) lib_search_path="$lib_search_path $dir" ;;
+ esac
+ done
+ newlib_search_path=
+ fi
+
+ if test "$linkmode,$pass" != "prog,link"; then
+ vars="deplibs"
+ else
+ vars="compile_deplibs finalize_deplibs"
+ fi
+ for var in $vars dependency_libs; do
+ # Add libraries to $var in reverse order
+ eval tmp_libs=\"\$$var\"
+ new_libs=
+ for deplib in $tmp_libs; do
+ # FIXME: Pedantically, this is the right thing to do, so
+ # that some nasty dependency loop isn't accidentally
+ # broken:
+ #new_libs="$deplib $new_libs"
+ # Pragmatically, this seems to cause very few problems in
+ # practice:
+ case $deplib in
+ -L*) new_libs="$deplib $new_libs" ;;
+ -R*) ;;
+ *)
+ # And here is the reason: when a library appears more
+ # than once as an explicit dependence of a library, or
+ # is implicitly linked in more than once by the
+ # compiler, it is considered special, and multiple
+ # occurrences thereof are not removed. Compare this
+ # with having the same library being listed as a
+ # dependency of multiple other libraries: in this case,
+ # we know (pedantically, we assume) the library does not
+ # need to be listed more than once, so we keep only the
+ # last copy. This is not always right, but it is rare
+ # enough that we require users that really mean to play
+ # such unportable linking tricks to link the library
+ # using -Wl,-lname, so that libtool does not consider it
+ # for duplicate removal.
+ case " $specialdeplibs " in
+ *" $deplib "*) new_libs="$deplib $new_libs" ;;
+ *)
+ case " $new_libs " in
+ *" $deplib "*) ;;
+ *) new_libs="$deplib $new_libs" ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ done
+ tmp_libs=
+ for deplib in $new_libs; do
+ case $deplib in
+ -L*)
+ case " $tmp_libs " in
+ *" $deplib "*) ;;
+ *) tmp_libs="$tmp_libs $deplib" ;;
+ esac
+ ;;
+ *) tmp_libs="$tmp_libs $deplib" ;;
+ esac
+ done
+ eval $var=\"$tmp_libs\"
+ done # for var
+ fi
+ # Last step: remove runtime libs from dependency_libs
+ # (they stay in deplibs)
+ tmp_libs=
+ for i in $dependency_libs ; do
+ case " $predeps $postdeps $compiler_lib_search_path " in
+ *" $i "*)
+ i=""
+ ;;
+ esac
+ if test -n "$i" ; then
+ tmp_libs="$tmp_libs $i"
+ fi
+ done
+ dependency_libs=$tmp_libs
+ done # for pass
+ if test "$linkmode" = prog; then
+ dlfiles="$newdlfiles"
+ dlprefiles="$newdlprefiles"
+ fi
+
+ case $linkmode in
+ oldlib)
+ case " $deplibs" in
+ *\ -l* | *\ -L*)
+ $echo "$modename: warning: \`-l' and \`-L' are ignored for archives" 1>&2 ;;
+ esac
+
+ if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+ $echo "$modename: warning: \`-dlopen' is ignored for archives" 1>&2
+ fi
+
+ if test -n "$rpath"; then
+ $echo "$modename: warning: \`-rpath' is ignored for archives" 1>&2
+ fi
+
+ if test -n "$xrpath"; then
+ $echo "$modename: warning: \`-R' is ignored for archives" 1>&2
+ fi
+
+ if test -n "$vinfo"; then
+ $echo "$modename: warning: \`-version-info/-version-number' is ignored for archives" 1>&2
+ fi
+
+ if test -n "$release"; then
+ $echo "$modename: warning: \`-release' is ignored for archives" 1>&2
+ fi
+
+ if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
+ $echo "$modename: warning: \`-export-symbols' is ignored for archives" 1>&2
+ fi
+
+ # Now set the variables for building old libraries.
+ build_libtool_libs=no
+ oldlibs="$output"
+ objs="$objs$old_deplibs"
+ ;;
+
+ lib)
+ # Make sure we only generate libraries of the form `libNAME.la'.
+ case $outputname in
+ lib*)
+ name=`$echo "X$outputname" | $Xsed -e 's/\.la$//' -e 's/^lib//'`
+ eval shared_ext=\"$shrext_cmds\"
+ eval libname=\"$libname_spec\"
+ ;;
+ *)
+ if test "$module" = no; then
+ $echo "$modename: libtool library \`$output' must begin with \`lib'" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ if test "$need_lib_prefix" != no; then
+ # Add the "lib" prefix for modules if required
+ name=`$echo "X$outputname" | $Xsed -e 's/\.la$//'`
+ eval shared_ext=\"$shrext_cmds\"
+ eval libname=\"$libname_spec\"
+ else
+ libname=`$echo "X$outputname" | $Xsed -e 's/\.la$//'`
+ fi
+ ;;
+ esac
+
+ if test -n "$objs"; then
+ if test "$deplibs_check_method" != pass_all; then
+ $echo "$modename: cannot build libtool library \`$output' from non-libtool objects on this host:$objs" 2>&1
+ exit $EXIT_FAILURE
+ else
+ $echo
+ $echo "*** Warning: Linking the shared library $output against the non-libtool"
+ $echo "*** objects $objs is not portable!"
+ libobjs="$libobjs $objs"
+ fi
+ fi
+
+ if test "$dlself" != no; then
+ $echo "$modename: warning: \`-dlopen self' is ignored for libtool libraries" 1>&2
+ fi
+
+ set dummy $rpath
+ if test "$#" -gt 2; then
+ $echo "$modename: warning: ignoring multiple \`-rpath's for a libtool library" 1>&2
+ fi
+ install_libdir="$2"
+
+ oldlibs=
+ if test -z "$rpath"; then
+ if test "$build_libtool_libs" = yes; then
+ # Building a libtool convenience library.
+ # Some compilers have problems with a `.al' extension so
+ # convenience libraries should have the same extension an
+ # archive normally would.
+ oldlibs="$output_objdir/$libname.$libext $oldlibs"
+ build_libtool_libs=convenience
+ build_old_libs=yes
+ fi
+
+ if test -n "$vinfo"; then
+ $echo "$modename: warning: \`-version-info/-version-number' is ignored for convenience libraries" 1>&2
+ fi
+
+ if test -n "$release"; then
+ $echo "$modename: warning: \`-release' is ignored for convenience libraries" 1>&2
+ fi
+ else
+
+ # Parse the version information argument.
+ save_ifs="$IFS"; IFS=':'
+ set dummy $vinfo 0 0 0
+ IFS="$save_ifs"
+
+ if test -n "$8"; then
+ $echo "$modename: too many parameters to \`-version-info'" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ # convert absolute version numbers to libtool ages
+ # this retains compatibility with .la files and attempts
+ # to make the code below a bit more comprehensible
+
+ case $vinfo_number in
+ yes)
+ number_major="$2"
+ number_minor="$3"
+ number_revision="$4"
+ #
+ # There are really only two kinds -- those that
+ # use the current revision as the major version
+ # and those that subtract age and use age as
+ # a minor version. But, then there is irix
+ # which has an extra 1 added just for fun
+ #
+ case $version_type in
+ darwin|linux|osf|windows|none)
+ current=`expr $number_major + $number_minor`
+ age="$number_minor"
+ revision="$number_revision"
+ ;;
+ freebsd-aout|freebsd-elf|sunos)
+ current="$number_major"
+ revision="$number_minor"
+ age="0"
+ ;;
+ irix|nonstopux)
+ current=`expr $number_major + $number_minor`
+ age="$number_minor"
+ revision="$number_minor"
+ lt_irix_increment=no
+ ;;
+ *)
+ $echo "$modename: unknown library version type \`$version_type'" 1>&2
+ $echo "Fatal configuration error. See the $PACKAGE docs for more information." 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+ ;;
+ no)
+ current="$2"
+ revision="$3"
+ age="$4"
+ ;;
+ esac
+
+ # Check that each of the things are valid numbers.
+ case $current in
+ 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+ *)
+ $echo "$modename: CURRENT \`$current' must be a nonnegative integer" 1>&2
+ $echo "$modename: \`$vinfo' is not valid version information" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+
+ case $revision in
+ 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+ *)
+ $echo "$modename: REVISION \`$revision' must be a nonnegative integer" 1>&2
+ $echo "$modename: \`$vinfo' is not valid version information" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+
+ case $age in
+ 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+ *)
+ $echo "$modename: AGE \`$age' must be a nonnegative integer" 1>&2
+ $echo "$modename: \`$vinfo' is not valid version information" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+
+ if test "$age" -gt "$current"; then
+ $echo "$modename: AGE \`$age' is greater than the current interface number \`$current'" 1>&2
+ $echo "$modename: \`$vinfo' is not valid version information" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ # Calculate the version variables.
+ major=
+ versuffix=
+ verstring=
+ case $version_type in
+ none) ;;
+
+ darwin)
+ # Like Linux, but with the current version available in
+ # verstring for coding it into the library header
+ major=.`expr $current - $age`
+ versuffix="$major.$age.$revision"
+ # Darwin ld doesn't like 0 for these options...
+ minor_current=`expr $current + 1`
+ xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision"
+ verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
+ ;;
+
+ freebsd-aout)
+ major=".$current"
+ versuffix=".$current.$revision";
+ ;;
+
+ freebsd-elf)
+ major=".$current"
+ versuffix=".$current";
+ ;;
+
+ irix | nonstopux)
+ if test "X$lt_irix_increment" = "Xno"; then
+ major=`expr $current - $age`
+ else
+ major=`expr $current - $age + 1`
+ fi
+ case $version_type in
+ nonstopux) verstring_prefix=nonstopux ;;
+ *) verstring_prefix=sgi ;;
+ esac
+ verstring="$verstring_prefix$major.$revision"
+
+ # Add in all the interfaces that we are compatible with.
+ loop=$revision
+ while test "$loop" -ne 0; do
+ iface=`expr $revision - $loop`
+ loop=`expr $loop - 1`
+ verstring="$verstring_prefix$major.$iface:$verstring"
+ done
+
+ # Before this point, $major must not contain `.'.
+ major=.$major
+ versuffix="$major.$revision"
+ ;;
+
+ linux)
+ major=.`expr $current - $age`
+ versuffix="$major.$age.$revision"
+ ;;
+
+ osf)
+ major=.`expr $current - $age`
+ versuffix=".$current.$age.$revision"
+ verstring="$current.$age.$revision"
+
+ # Add in all the interfaces that we are compatible with.
+ loop=$age
+ while test "$loop" -ne 0; do
+ iface=`expr $current - $loop`
+ loop=`expr $loop - 1`
+ verstring="$verstring:${iface}.0"
+ done
+
+ # Make executables depend on our current version.
+ verstring="$verstring:${current}.0"
+ ;;
+
+ sunos)
+ major=".$current"
+ versuffix=".$current.$revision"
+ ;;
+
+ windows)
+ # Use '-' rather than '.', since we only want one
+ # extension on DOS 8.3 filesystems.
+ major=`expr $current - $age`
+ versuffix="-$major"
+ ;;
+
+ *)
+ $echo "$modename: unknown library version type \`$version_type'" 1>&2
+ $echo "Fatal configuration error. See the $PACKAGE docs for more information." 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+
+ # Clear the version info if we defaulted, and they specified a release.
+ if test -z "$vinfo" && test -n "$release"; then
+ major=
+ case $version_type in
+ darwin)
+ # we can't check for "0.0" in archive_cmds due to quoting
+ # problems, so we reset it completely
+ verstring=
+ ;;
+ *)
+ verstring="0.0"
+ ;;
+ esac
+ if test "$need_version" = no; then
+ versuffix=
+ else
+ versuffix=".0.0"
+ fi
+ fi
+
+ # Remove version info from name if versioning should be avoided
+ if test "$avoid_version" = yes && test "$need_version" = no; then
+ major=
+ versuffix=
+ verstring=""
+ fi
+
+ # Check to see if the archive will have undefined symbols.
+ if test "$allow_undefined" = yes; then
+ if test "$allow_undefined_flag" = unsupported; then
+ $echo "$modename: warning: undefined symbols not allowed in $host shared libraries" 1>&2
+ build_libtool_libs=no
+ build_old_libs=yes
+ fi
+ else
+ # Don't allow undefined symbols.
+ allow_undefined_flag="$no_undefined_flag"
+ fi
+ fi
+
+ if test "$mode" != relink; then
+ # Remove our outputs, but don't remove object files since they
+ # may have been created when compiling PIC objects.
+ removelist=
+ tempremovelist=`$echo "$output_objdir/*"`
+ for p in $tempremovelist; do
+ case $p in
+ *.$objext)
+ ;;
+ $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*)
+ if test "X$precious_files_regex" != "X"; then
+ if echo $p | $EGREP -e "$precious_files_regex" >/dev/null 2>&1
+ then
+ continue
+ fi
+ fi
+ removelist="$removelist $p"
+ ;;
+ *) ;;
+ esac
+ done
+ if test -n "$removelist"; then
+ $show "${rm}r $removelist"
+ $run ${rm}r $removelist
+ fi
+ fi
+
+ # Now set the variables for building old libraries.
+ if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then
+ oldlibs="$oldlibs $output_objdir/$libname.$libext"
+
+ # Transform .lo files to .o files.
+ oldobjs="$objs "`$echo "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}'$/d' -e "$lo2o" | $NL2SP`
+ fi
+
+ # Eliminate all temporary directories.
+ #for path in $notinst_path; do
+ # lib_search_path=`$echo "$lib_search_path " | ${SED} -e "s% $path % %g"`
+ # deplibs=`$echo "$deplibs " | ${SED} -e "s% -L$path % %g"`
+ # dependency_libs=`$echo "$dependency_libs " | ${SED} -e "s% -L$path % %g"`
+ #done
+
+ if test -n "$xrpath"; then
+ # If the user specified any rpath flags, then add them.
+ temp_xrpath=
+ for libdir in $xrpath; do
+ temp_xrpath="$temp_xrpath -R$libdir"
+ case "$finalize_rpath " in
+ *" $libdir "*) ;;
+ *) finalize_rpath="$finalize_rpath $libdir" ;;
+ esac
+ done
+ if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then
+ dependency_libs="$temp_xrpath $dependency_libs"
+ fi
+ fi
+
+ # Make sure dlfiles contains only unique files that won't be dlpreopened
+ old_dlfiles="$dlfiles"
+ dlfiles=
+ for lib in $old_dlfiles; do
+ case " $dlprefiles $dlfiles " in
+ *" $lib "*) ;;
+ *) dlfiles="$dlfiles $lib" ;;
+ esac
+ done
+
+ # Make sure dlprefiles contains only unique files
+ old_dlprefiles="$dlprefiles"
+ dlprefiles=
+ for lib in $old_dlprefiles; do
+ case "$dlprefiles " in
+ *" $lib "*) ;;
+ *) dlprefiles="$dlprefiles $lib" ;;
+ esac
+ done
+
+ if test "$build_libtool_libs" = yes; then
+ if test -n "$rpath"; then
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos*)
+ # these systems don't actually have a c library (as such)!
+ ;;
+ *-*-rhapsody* | *-*-darwin1.[012])
+ # Rhapsody C library is in the System framework
+ deplibs="$deplibs -framework System"
+ ;;
+ *-*-netbsd*)
+ # Don't link with libc until the a.out ld.so is fixed.
+ ;;
+ *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+ # Do not include libc due to us having libc/libc_r.
+ ;;
+ *-*-sco3.2v5* | *-*-sco5v6*)
+ # Causes problems with __ctype
+ ;;
+ *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+ # Compiler inserts libc in the correct place for threads to work
+ ;;
+ *)
+ # Add libc to deplibs on all other systems if necessary.
+ if test "$build_libtool_need_lc" = "yes"; then
+ deplibs="$deplibs -lc"
+ fi
+ ;;
+ esac
+ fi
+
+ # Transform deplibs into only deplibs that can be linked in shared.
+ name_save=$name
+ libname_save=$libname
+ release_save=$release
+ versuffix_save=$versuffix
+ major_save=$major
+ # I'm not sure if I'm treating the release correctly. I think
+ # release should show up in the -l (ie -lgmp5) so we don't want to
+ # add it in twice. Is that correct?
+ release=""
+ versuffix=""
+ major=""
+ newdeplibs=
+ droppeddeps=no
+ case $deplibs_check_method in
+ pass_all)
+ # Don't check for shared/static. Everything works.
+ # This might be a little naive. We might want to check
+ # whether the library exists or not. But this is on
+ # osf3 & osf4 and I'm not really sure... Just
+ # implementing what was already the behavior.
+ newdeplibs=$deplibs
+ ;;
+ test_compile)
+ # This code stresses the "libraries are programs" paradigm to its
+ # limits. Maybe even breaks it. We compile a program, linking it
+ # against the deplibs as a proxy for the library. Then we can check
+ # whether they linked in statically or dynamically with ldd.
+ $rm conftest.c
+ cat > conftest.c <<EOF
+ int main() { return 0; }
+EOF
+ $rm conftest
+ if $LTCC $LTCFLAGS -o conftest conftest.c $deplibs; then
+ ldd_output=`ldd conftest`
+ for i in $deplibs; do
+ name=`expr $i : '-l\(.*\)'`
+ # If $name is empty we are operating on a -L argument.
+ if test "$name" != "" && test "$name" != "0"; then
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $i "*)
+ newdeplibs="$newdeplibs $i"
+ i=""
+ ;;
+ esac
+ fi
+ if test -n "$i" ; then
+ libname=`eval \\$echo \"$libname_spec\"`
+ deplib_matches=`eval \\$echo \"$library_names_spec\"`
+ set dummy $deplib_matches
+ deplib_match=$2
+ if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+ newdeplibs="$newdeplibs $i"
+ else
+ droppeddeps=yes
+ $echo
+ $echo "*** Warning: dynamic linker does not accept needed library $i."
+ $echo "*** I have the capability to make that library automatically link in when"
+ $echo "*** you link to this library. But I can only do this if you have a"
+ $echo "*** shared version of the library, which I believe you do not have"
+ $echo "*** because a test_compile did reveal that the linker did not use it for"
+ $echo "*** its dynamic dependency list that programs get resolved with at runtime."
+ fi
+ fi
+ else
+ newdeplibs="$newdeplibs $i"
+ fi
+ done
+ else
+ # Error occurred in the first compile. Let's try to salvage
+ # the situation: Compile a separate program for each library.
+ for i in $deplibs; do
+ name=`expr $i : '-l\(.*\)'`
+ # If $name is empty we are operating on a -L argument.
+ if test "$name" != "" && test "$name" != "0"; then
+ $rm conftest
+ if $LTCC $LTCFLAGS -o conftest conftest.c $i; then
+ ldd_output=`ldd conftest`
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $i "*)
+ newdeplibs="$newdeplibs $i"
+ i=""
+ ;;
+ esac
+ fi
+ if test -n "$i" ; then
+ libname=`eval \\$echo \"$libname_spec\"`
+ deplib_matches=`eval \\$echo \"$library_names_spec\"`
+ set dummy $deplib_matches
+ deplib_match=$2
+ if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+ newdeplibs="$newdeplibs $i"
+ else
+ droppeddeps=yes
+ $echo
+ $echo "*** Warning: dynamic linker does not accept needed library $i."
+ $echo "*** I have the capability to make that library automatically link in when"
+ $echo "*** you link to this library. But I can only do this if you have a"
+ $echo "*** shared version of the library, which you do not appear to have"
+ $echo "*** because a test_compile did reveal that the linker did not use this one"
+ $echo "*** as a dynamic dependency that programs can get resolved with at runtime."
+ fi
+ fi
+ else
+ droppeddeps=yes
+ $echo
+ $echo "*** Warning! Library $i is needed by this library but I was not able to"
+ $echo "*** make it link in! You will probably need to install it or some"
+ $echo "*** library that it depends on before this library will be fully"
+ $echo "*** functional. Installing it before continuing would be even better."
+ fi
+ else
+ newdeplibs="$newdeplibs $i"
+ fi
+ done
+ fi
+ ;;
+ file_magic*)
+ set dummy $deplibs_check_method
+ file_magic_regex=`expr "$deplibs_check_method" : "$2 \(.*\)"`
+ for a_deplib in $deplibs; do
+ name=`expr $a_deplib : '-l\(.*\)'`
+ # If $name is empty we are operating on a -L argument.
+ if test "$name" != "" && test "$name" != "0"; then
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $a_deplib "*)
+ newdeplibs="$newdeplibs $a_deplib"
+ a_deplib=""
+ ;;
+ esac
+ fi
+ if test -n "$a_deplib" ; then
+ libname=`eval \\$echo \"$libname_spec\"`
+ for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+ potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
+ for potent_lib in $potential_libs; do
+ # Follow soft links.
+ if ls -lLd "$potent_lib" 2>/dev/null \
+ | grep " -> " >/dev/null; then
+ continue
+ fi
+ # The statement above tries to avoid entering an
+ # endless loop below, in case of cyclic links.
+ # We might still enter an endless loop, since a link
+ # loop can be closed while we follow links,
+ # but so what?
+ potlib="$potent_lib"
+ while test -h "$potlib" 2>/dev/null; do
+ potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'`
+ case $potliblink in
+ [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";;
+ *) potlib=`$echo "X$potlib" | $Xsed -e 's,[^/]*$,,'`"$potliblink";;
+ esac
+ done
+ if eval $file_magic_cmd \"\$potlib\" 2>/dev/null \
+ | ${SED} 10q \
+ | $EGREP "$file_magic_regex" > /dev/null; then
+ newdeplibs="$newdeplibs $a_deplib"
+ a_deplib=""
+ break 2
+ fi
+ done
+ done
+ fi
+ if test -n "$a_deplib" ; then
+ droppeddeps=yes
+ $echo
+ $echo "*** Warning: linker path does not have real file for library $a_deplib."
+ $echo "*** I have the capability to make that library automatically link in when"
+ $echo "*** you link to this library. But I can only do this if you have a"
+ $echo "*** shared version of the library, which you do not appear to have"
+ $echo "*** because I did check the linker path looking for a file starting"
+ if test -z "$potlib" ; then
+ $echo "*** with $libname but no candidates were found. (...for file magic test)"
+ else
+ $echo "*** with $libname and none of the candidates passed a file format test"
+ $echo "*** using a file magic. Last file checked: $potlib"
+ fi
+ fi
+ else
+ # Add a -L argument.
+ newdeplibs="$newdeplibs $a_deplib"
+ fi
+ done # Gone through all deplibs.
+ ;;
+ match_pattern*)
+ set dummy $deplibs_check_method
+ match_pattern_regex=`expr "$deplibs_check_method" : "$2 \(.*\)"`
+ for a_deplib in $deplibs; do
+ name=`expr $a_deplib : '-l\(.*\)'`
+ # If $name is empty we are operating on a -L argument.
+ if test -n "$name" && test "$name" != "0"; then
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $a_deplib "*)
+ newdeplibs="$newdeplibs $a_deplib"
+ a_deplib=""
+ ;;
+ esac
+ fi
+ if test -n "$a_deplib" ; then
+ libname=`eval \\$echo \"$libname_spec\"`
+ for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+ potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
+ for potent_lib in $potential_libs; do
+ potlib="$potent_lib" # see symlink-check above in file_magic test
+ if eval $echo \"$potent_lib\" 2>/dev/null \
+ | ${SED} 10q \
+ | $EGREP "$match_pattern_regex" > /dev/null; then
+ newdeplibs="$newdeplibs $a_deplib"
+ a_deplib=""
+ break 2
+ fi
+ done
+ done
+ fi
+ if test -n "$a_deplib" ; then
+ droppeddeps=yes
+ $echo
+ $echo "*** Warning: linker path does not have real file for library $a_deplib."
+ $echo "*** I have the capability to make that library automatically link in when"
+ $echo "*** you link to this library. But I can only do this if you have a"
+ $echo "*** shared version of the library, which you do not appear to have"
+ $echo "*** because I did check the linker path looking for a file starting"
+ if test -z "$potlib" ; then
+ $echo "*** with $libname but no candidates were found. (...for regex pattern test)"
+ else
+ $echo "*** with $libname and none of the candidates passed a file format test"
+ $echo "*** using a regex pattern. Last file checked: $potlib"
+ fi
+ fi
+ else
+ # Add a -L argument.
+ newdeplibs="$newdeplibs $a_deplib"
+ fi
+ done # Gone through all deplibs.
+ ;;
+ none | unknown | *)
+ newdeplibs=""
+ tmp_deplibs=`$echo "X $deplibs" | $Xsed -e 's/ -lc$//' \
+ -e 's/ -[LR][^ ]*//g'`
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ for i in $predeps $postdeps ; do
+ # can't use Xsed below, because $i might contain '/'
+ tmp_deplibs=`$echo "X $tmp_deplibs" | ${SED} -e "1s,^X,," -e "s,$i,,"`
+ done
+ fi
+ if $echo "X $tmp_deplibs" | $Xsed -e 's/[ ]//g' \
+ | grep . >/dev/null; then
+ $echo
+ if test "X$deplibs_check_method" = "Xnone"; then
+ $echo "*** Warning: inter-library dependencies are not supported in this platform."
+ else
+ $echo "*** Warning: inter-library dependencies are not known to be supported."
+ fi
+ $echo "*** All declared inter-library dependencies are being dropped."
+ droppeddeps=yes
+ fi
+ ;;
+ esac
+ versuffix=$versuffix_save
+ major=$major_save
+ release=$release_save
+ libname=$libname_save
+ name=$name_save
+
+ case $host in
+ *-*-rhapsody* | *-*-darwin1.[012])
+ # On Rhapsody replace the C library is the System framework
+ newdeplibs=`$echo "X $newdeplibs" | $Xsed -e 's/ -lc / -framework System /'`
+ ;;
+ esac
+
+ if test "$droppeddeps" = yes; then
+ if test "$module" = yes; then
+ $echo
+ $echo "*** Warning: libtool could not satisfy all declared inter-library"
+ $echo "*** dependencies of module $libname. Therefore, libtool will create"
+ $echo "*** a static module, that should work as long as the dlopening"
+ $echo "*** application is linked with the -dlopen flag."
+ if test -z "$global_symbol_pipe"; then
+ $echo
+ $echo "*** However, this would only work if libtool was able to extract symbol"
+ $echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+ $echo "*** not find such a program. So, this module is probably useless."
+ $echo "*** \`nm' from GNU binutils and a full rebuild may help."
+ fi
+ if test "$build_old_libs" = no; then
+ oldlibs="$output_objdir/$libname.$libext"
+ build_libtool_libs=module
+ build_old_libs=yes
+ else
+ build_libtool_libs=no
+ fi
+ else
+ $echo "*** The inter-library dependencies that have been dropped here will be"
+ $echo "*** automatically added whenever a program is linked with this library"
+ $echo "*** or is declared to -dlopen it."
+
+ if test "$allow_undefined" = no; then
+ $echo
+ $echo "*** Since this library must not contain undefined symbols,"
+ $echo "*** because either the platform does not support them or"
+ $echo "*** it was explicitly requested with -no-undefined,"
+ $echo "*** libtool will only create a static version of it."
+ if test "$build_old_libs" = no; then
+ oldlibs="$output_objdir/$libname.$libext"
+ build_libtool_libs=module
+ build_old_libs=yes
+ else
+ build_libtool_libs=no
+ fi
+ fi
+ fi
+ fi
+ # Done checking deplibs!
+ deplibs=$newdeplibs
+ fi
+
+
+ # move library search paths that coincide with paths to not yet
+ # installed libraries to the beginning of the library search list
+ new_libs=
+ for path in $notinst_path; do
+ case " $new_libs " in
+ *" -L$path/$objdir "*) ;;
+ *)
+ case " $deplibs " in
+ *" -L$path/$objdir "*)
+ new_libs="$new_libs -L$path/$objdir" ;;
+ esac
+ ;;
+ esac
+ done
+ for deplib in $deplibs; do
+ case $deplib in
+ -L*)
+ case " $new_libs " in
+ *" $deplib "*) ;;
+ *) new_libs="$new_libs $deplib" ;;
+ esac
+ ;;
+ *) new_libs="$new_libs $deplib" ;;
+ esac
+ done
+ deplibs="$new_libs"
+
+
+ # All the library-specific variables (install_libdir is set above).
+ library_names=
+ old_library=
+ dlname=
+
+ # Test again, we may have decided not to build it any more
+ if test "$build_libtool_libs" = yes; then
+ if test "$hardcode_into_libs" = yes; then
+ # Hardcode the library paths
+ hardcode_libdirs=
+ dep_rpath=
+ rpath="$finalize_rpath"
+ test "$mode" != relink && rpath="$compile_rpath$rpath"
+ for libdir in $rpath; do
+ if test -n "$hardcode_libdir_flag_spec"; then
+ if test -n "$hardcode_libdir_separator"; then
+ if test -z "$hardcode_libdirs"; then
+ hardcode_libdirs="$libdir"
+ else
+ # Just accumulate the unique libdirs.
+ case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+ *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+ ;;
+ *)
+ hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
+ ;;
+ esac
+ fi
+ else
+ eval flag=\"$hardcode_libdir_flag_spec\"
+ dep_rpath="$dep_rpath $flag"
+ fi
+ elif test -n "$runpath_var"; then
+ case "$perm_rpath " in
+ *" $libdir "*) ;;
+ *) perm_rpath="$perm_rpath $libdir" ;;
+ esac
+ fi
+ done
+ # Substitute the hardcoded libdirs into the rpath.
+ if test -n "$hardcode_libdir_separator" &&
+ test -n "$hardcode_libdirs"; then
+ libdir="$hardcode_libdirs"
+ if test -n "$hardcode_libdir_flag_spec_ld"; then
+ case $archive_cmds in
+ *\$LD*) eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\" ;;
+ *) eval dep_rpath=\"$hardcode_libdir_flag_spec\" ;;
+ esac
+ else
+ eval dep_rpath=\"$hardcode_libdir_flag_spec\"
+ fi
+ fi
+ if test -n "$runpath_var" && test -n "$perm_rpath"; then
+ # We should set the runpath_var.
+ rpath=
+ for dir in $perm_rpath; do
+ rpath="$rpath$dir:"
+ done
+ eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var"
+ fi
+ test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs"
+ fi
+
+ shlibpath="$finalize_shlibpath"
+ test "$mode" != relink && shlibpath="$compile_shlibpath$shlibpath"
+ if test -n "$shlibpath"; then
+ eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var"
+ fi
+
+ # Get the real and link names of the library.
+ eval shared_ext=\"$shrext_cmds\"
+ eval library_names=\"$library_names_spec\"
+ set dummy $library_names
+ realname="$2"
+ shift; shift
+
+ if test -n "$soname_spec"; then
+ eval soname=\"$soname_spec\"
+ else
+ soname="$realname"
+ fi
+ if test -z "$dlname"; then
+ dlname=$soname
+ fi
+
+ lib="$output_objdir/$realname"
+ linknames=
+ for link
+ do
+ linknames="$linknames $link"
+ done
+
+ # Use standard objects if they are pic
+ test -z "$pic_flag" && libobjs=`$echo "X$libobjs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
+
+ # Prepare the list of exported symbols
+ if test -z "$export_symbols"; then
+ if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then
+ $show "generating symbol list for \`$libname.la'"
+ export_symbols="$output_objdir/$libname.exp"
+ $run $rm $export_symbols
+ cmds=$export_symbols_cmds
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ if len=`expr "X$cmd" : ".*"` &&
+ test "$len" -le "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+ $show "$cmd"
+ $run eval "$cmd" || exit $?
+ skipped_export=false
+ else
+ # The command line is too long to execute in one step.
+ $show "using reloadable object file for export list..."
+ skipped_export=:
+ # Break out early, otherwise skipped_export may be
+ # set to false by a later but shorter cmd.
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ if test -n "$export_symbols_regex"; then
+ $show "$EGREP -e \"$export_symbols_regex\" \"$export_symbols\" > \"${export_symbols}T\""
+ $run eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+ $show "$mv \"${export_symbols}T\" \"$export_symbols\""
+ $run eval '$mv "${export_symbols}T" "$export_symbols"'
+ fi
+ fi
+ fi
+
+ if test -n "$export_symbols" && test -n "$include_expsyms"; then
+ $run eval '$echo "X$include_expsyms" | $SP2NL >> "$export_symbols"'
+ fi
+
+ tmp_deplibs=
+ for test_deplib in $deplibs; do
+ case " $convenience " in
+ *" $test_deplib "*) ;;
+ *)
+ tmp_deplibs="$tmp_deplibs $test_deplib"
+ ;;
+ esac
+ done
+ deplibs="$tmp_deplibs"
+
+ if test -n "$convenience"; then
+ if test -n "$whole_archive_flag_spec"; then
+ save_libobjs=$libobjs
+ eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+ else
+ gentop="$output_objdir/${outputname}x"
+ generated="$generated $gentop"
+
+ func_extract_archives $gentop $convenience
+ libobjs="$libobjs $func_extract_archives_result"
+ fi
+ fi
+
+ if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then
+ eval flag=\"$thread_safe_flag_spec\"
+ linker_flags="$linker_flags $flag"
+ fi
+
+ # Make a backup of the uninstalled library when relinking
+ if test "$mode" = relink; then
+ $run eval '(cd $output_objdir && $rm ${realname}U && $mv $realname ${realname}U)' || exit $?
+ fi
+
+ # Do each of the archive commands.
+ if test "$module" = yes && test -n "$module_cmds" ; then
+ if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+ eval test_cmds=\"$module_expsym_cmds\"
+ cmds=$module_expsym_cmds
+ else
+ eval test_cmds=\"$module_cmds\"
+ cmds=$module_cmds
+ fi
+ else
+ if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+ eval test_cmds=\"$archive_expsym_cmds\"
+ cmds=$archive_expsym_cmds
+ else
+ eval test_cmds=\"$archive_cmds\"
+ cmds=$archive_cmds
+ fi
+ fi
+
+ if test "X$skipped_export" != "X:" &&
+ len=`expr "X$test_cmds" : ".*" 2>/dev/null` &&
+ test "$len" -le "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+ :
+ else
+ # The command line is too long to link in one step, link piecewise.
+ $echo "creating reloadable object files..."
+
+ # Save the value of $output and $libobjs because we want to
+ # use them later. If we have whole_archive_flag_spec, we
+ # want to use save_libobjs as it was before
+ # whole_archive_flag_spec was expanded, because we can't
+ # assume the linker understands whole_archive_flag_spec.
+ # This may have to be revisited, in case too many
+ # convenience libraries get linked in and end up exceeding
+ # the spec.
+ if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then
+ save_libobjs=$libobjs
+ fi
+ save_output=$output
+ output_la=`$echo "X$output" | $Xsed -e "$basename"`
+
+ # Clear the reloadable object creation command queue and
+ # initialize k to one.
+ test_cmds=
+ concat_cmds=
+ objlist=
+ delfiles=
+ last_robj=
+ k=1
+ output=$output_objdir/$output_la-${k}.$objext
+ # Loop over the list of objects to be linked.
+ for obj in $save_libobjs
+ do
+ eval test_cmds=\"$reload_cmds $objlist $last_robj\"
+ if test "X$objlist" = X ||
+ { len=`expr "X$test_cmds" : ".*" 2>/dev/null` &&
+ test "$len" -le "$max_cmd_len"; }; then
+ objlist="$objlist $obj"
+ else
+ # The command $test_cmds is almost too long, add a
+ # command to the queue.
+ if test "$k" -eq 1 ; then
+ # The first file doesn't have a previous command to add.
+ eval concat_cmds=\"$reload_cmds $objlist $last_robj\"
+ else
+ # All subsequent reloadable object files will link in
+ # the last one created.
+ eval concat_cmds=\"\$concat_cmds~$reload_cmds $objlist $last_robj\"
+ fi
+ last_robj=$output_objdir/$output_la-${k}.$objext
+ k=`expr $k + 1`
+ output=$output_objdir/$output_la-${k}.$objext
+ objlist=$obj
+ len=1
+ fi
+ done
+ # Handle the remaining objects by creating one last
+ # reloadable object file. All subsequent reloadable object
+ # files will link in the last one created.
+ test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+ eval concat_cmds=\"\${concat_cmds}$reload_cmds $objlist $last_robj\"
+
+ if ${skipped_export-false}; then
+ $show "generating symbol list for \`$libname.la'"
+ export_symbols="$output_objdir/$libname.exp"
+ $run $rm $export_symbols
+ libobjs=$output
+ # Append the command to create the export file.
+ eval concat_cmds=\"\$concat_cmds~$export_symbols_cmds\"
+ fi
+
+ # Set up a command to remove the reloadable object files
+ # after they are used.
+ i=0
+ while test "$i" -lt "$k"
+ do
+ i=`expr $i + 1`
+ delfiles="$delfiles $output_objdir/$output_la-${i}.$objext"
+ done
+
+ $echo "creating a temporary reloadable object file: $output"
+
+ # Loop through the commands generated above and execute them.
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $concat_cmds; do
+ IFS="$save_ifs"
+ $show "$cmd"
+ $run eval "$cmd" || exit $?
+ done
+ IFS="$save_ifs"
+
+ libobjs=$output
+ # Restore the value of output.
+ output=$save_output
+
+ if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then
+ eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+ fi
+ # Expand the library linking commands again to reset the
+ # value of $libobjs for piecewise linking.
+
+ # Do each of the archive commands.
+ if test "$module" = yes && test -n "$module_cmds" ; then
+ if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+ cmds=$module_expsym_cmds
+ else
+ cmds=$module_cmds
+ fi
+ else
+ if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+ cmds=$archive_expsym_cmds
+ else
+ cmds=$archive_cmds
+ fi
+ fi
+
+ # Append the command to remove the reloadable object files
+ # to the just-reset $cmds.
+ eval cmds=\"\$cmds~\$rm $delfiles\"
+ fi
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ $show "$cmd"
+ $run eval "$cmd" || {
+ lt_exit=$?
+
+ # Restore the uninstalled library and exit
+ if test "$mode" = relink; then
+ $run eval '(cd $output_objdir && $rm ${realname}T && $mv ${realname}U $realname)'
+ fi
+
+ exit $lt_exit
+ }
+ done
+ IFS="$save_ifs"
+
+ # Restore the uninstalled library and exit
+ if test "$mode" = relink; then
+ $run eval '(cd $output_objdir && $rm ${realname}T && $mv $realname ${realname}T && $mv "$realname"U $realname)' || exit $?
+
+ if test -n "$convenience"; then
+ if test -z "$whole_archive_flag_spec"; then
+ $show "${rm}r $gentop"
+ $run ${rm}r "$gentop"
+ fi
+ fi
+
+ exit $EXIT_SUCCESS
+ fi
+
+ # Create links to the real library.
+ for linkname in $linknames; do
+ if test "$realname" != "$linkname"; then
+ $show "(cd $output_objdir && $rm $linkname && $LN_S $realname $linkname)"
+ $run eval '(cd $output_objdir && $rm $linkname && $LN_S $realname $linkname)' || exit $?
+ fi
+ done
+
+ # If -module or -export-dynamic was specified, set the dlname.
+ if test "$module" = yes || test "$export_dynamic" = yes; then
+ # On all known operating systems, these are identical.
+ dlname="$soname"
+ fi
+ fi
+ ;;
+
+ obj)
+ case " $deplibs" in
+ *\ -l* | *\ -L*)
+ $echo "$modename: warning: \`-l' and \`-L' are ignored for objects" 1>&2 ;;
+ esac
+
+ if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+ $echo "$modename: warning: \`-dlopen' is ignored for objects" 1>&2
+ fi
+
+ if test -n "$rpath"; then
+ $echo "$modename: warning: \`-rpath' is ignored for objects" 1>&2
+ fi
+
+ if test -n "$xrpath"; then
+ $echo "$modename: warning: \`-R' is ignored for objects" 1>&2
+ fi
+
+ if test -n "$vinfo"; then
+ $echo "$modename: warning: \`-version-info' is ignored for objects" 1>&2
+ fi
+
+ if test -n "$release"; then
+ $echo "$modename: warning: \`-release' is ignored for objects" 1>&2
+ fi
+
+ case $output in
+ *.lo)
+ if test -n "$objs$old_deplibs"; then
+ $echo "$modename: cannot build library object \`$output' from non-libtool objects" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ libobj="$output"
+ obj=`$echo "X$output" | $Xsed -e "$lo2o"`
+ ;;
+ *)
+ libobj=
+ obj="$output"
+ ;;
+ esac
+
+ # Delete the old objects.
+ $run $rm $obj $libobj
+
+ # Objects from convenience libraries. This assumes
+ # single-version convenience libraries. Whenever we create
+ # different ones for PIC/non-PIC, this we'll have to duplicate
+ # the extraction.
+ reload_conv_objs=
+ gentop=
+ # reload_cmds runs $LD directly, so let us get rid of
+ # -Wl from whole_archive_flag_spec and hope we can get by with
+ # turning comma into space..
+ wl=
+
+ if test -n "$convenience"; then
+ if test -n "$whole_archive_flag_spec"; then
+ eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\"
+ reload_conv_objs=$reload_objs\ `$echo "X$tmp_whole_archive_flags" | $Xsed -e 's|,| |g'`
+ else
+ gentop="$output_objdir/${obj}x"
+ generated="$generated $gentop"
+
+ func_extract_archives $gentop $convenience
+ reload_conv_objs="$reload_objs $func_extract_archives_result"
+ fi
+ fi
+
+ # Create the old-style object.
+ reload_objs="$objs$old_deplibs "`$echo "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}$'/d' -e '/\.lib$/d' -e "$lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test
+
+ output="$obj"
+ cmds=$reload_cmds
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ $show "$cmd"
+ $run eval "$cmd" || exit $?
+ done
+ IFS="$save_ifs"
+
+ # Exit if we aren't doing a library object file.
+ if test -z "$libobj"; then
+ if test -n "$gentop"; then
+ $show "${rm}r $gentop"
+ $run ${rm}r $gentop
+ fi
+
+ exit $EXIT_SUCCESS
+ fi
+
+ if test "$build_libtool_libs" != yes; then
+ if test -n "$gentop"; then
+ $show "${rm}r $gentop"
+ $run ${rm}r $gentop
+ fi
+
+ # Create an invalid libtool object if no PIC, so that we don't
+ # accidentally link it into a program.
+ # $show "echo timestamp > $libobj"
+ # $run eval "echo timestamp > $libobj" || exit $?
+ exit $EXIT_SUCCESS
+ fi
+
+ if test -n "$pic_flag" || test "$pic_mode" != default; then
+ # Only do commands if we really have different PIC objects.
+ reload_objs="$libobjs $reload_conv_objs"
+ output="$libobj"
+ cmds=$reload_cmds
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ $show "$cmd"
+ $run eval "$cmd" || exit $?
+ done
+ IFS="$save_ifs"
+ fi
+
+ if test -n "$gentop"; then
+ $show "${rm}r $gentop"
+ $run ${rm}r $gentop
+ fi
+
+ exit $EXIT_SUCCESS
+ ;;
+
+ prog)
+ case $host in
+ *cygwin*) output=`$echo $output | ${SED} -e 's,.exe$,,;s,$,.exe,'` ;;
+ esac
+ if test -n "$vinfo"; then
+ $echo "$modename: warning: \`-version-info' is ignored for programs" 1>&2
+ fi
+
+ if test -n "$release"; then
+ $echo "$modename: warning: \`-release' is ignored for programs" 1>&2
+ fi
+
+ if test "$preload" = yes; then
+ if test "$dlopen_support" = unknown && test "$dlopen_self" = unknown &&
+ test "$dlopen_self_static" = unknown; then
+ $echo "$modename: warning: \`AC_LIBTOOL_DLOPEN' not used. Assuming no dlopen support."
+ fi
+ fi
+
+ case $host in
+ *-*-rhapsody* | *-*-darwin1.[012])
+ # On Rhapsody replace the C library is the System framework
+ compile_deplibs=`$echo "X $compile_deplibs" | $Xsed -e 's/ -lc / -framework System /'`
+ finalize_deplibs=`$echo "X $finalize_deplibs" | $Xsed -e 's/ -lc / -framework System /'`
+ ;;
+ esac
+
+ case $host in
+ *darwin*)
+ # Don't allow lazy linking, it breaks C++ global constructors
+ if test "$tagname" = CXX ; then
+ compile_command="$compile_command ${wl}-bind_at_load"
+ finalize_command="$finalize_command ${wl}-bind_at_load"
+ fi
+ ;;
+ esac
+
+
+ # move library search paths that coincide with paths to not yet
+ # installed libraries to the beginning of the library search list
+ new_libs=
+ for path in $notinst_path; do
+ case " $new_libs " in
+ *" -L$path/$objdir "*) ;;
+ *)
+ case " $compile_deplibs " in
+ *" -L$path/$objdir "*)
+ new_libs="$new_libs -L$path/$objdir" ;;
+ esac
+ ;;
+ esac
+ done
+ for deplib in $compile_deplibs; do
+ case $deplib in
+ -L*)
+ case " $new_libs " in
+ *" $deplib "*) ;;
+ *) new_libs="$new_libs $deplib" ;;
+ esac
+ ;;
+ *) new_libs="$new_libs $deplib" ;;
+ esac
+ done
+ compile_deplibs="$new_libs"
+
+
+ compile_command="$compile_command $compile_deplibs"
+ finalize_command="$finalize_command $finalize_deplibs"
+
+ if test -n "$rpath$xrpath"; then
+ # If the user specified any rpath flags, then add them.
+ for libdir in $rpath $xrpath; do
+ # This is the magic to use -rpath.
+ case "$finalize_rpath " in
+ *" $libdir "*) ;;
+ *) finalize_rpath="$finalize_rpath $libdir" ;;
+ esac
+ done
+ fi
+
+ # Now hardcode the library paths
+ rpath=
+ hardcode_libdirs=
+ for libdir in $compile_rpath $finalize_rpath; do
+ if test -n "$hardcode_libdir_flag_spec"; then
+ if test -n "$hardcode_libdir_separator"; then
+ if test -z "$hardcode_libdirs"; then
+ hardcode_libdirs="$libdir"
+ else
+ # Just accumulate the unique libdirs.
+ case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+ *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+ ;;
+ *)
+ hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
+ ;;
+ esac
+ fi
+ else
+ eval flag=\"$hardcode_libdir_flag_spec\"
+ rpath="$rpath $flag"
+ fi
+ elif test -n "$runpath_var"; then
+ case "$perm_rpath " in
+ *" $libdir "*) ;;
+ *) perm_rpath="$perm_rpath $libdir" ;;
+ esac
+ fi
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
+ testbindir=`$echo "X$libdir" | $Xsed -e 's*/lib$*/bin*'`
+ case :$dllsearchpath: in
+ *":$libdir:"*) ;;
+ *) dllsearchpath="$dllsearchpath:$libdir";;
+ esac
+ case :$dllsearchpath: in
+ *":$testbindir:"*) ;;
+ *) dllsearchpath="$dllsearchpath:$testbindir";;
+ esac
+ ;;
+ esac
+ done
+ # Substitute the hardcoded libdirs into the rpath.
+ if test -n "$hardcode_libdir_separator" &&
+ test -n "$hardcode_libdirs"; then
+ libdir="$hardcode_libdirs"
+ eval rpath=\" $hardcode_libdir_flag_spec\"
+ fi
+ compile_rpath="$rpath"
+
+ rpath=
+ hardcode_libdirs=
+ for libdir in $finalize_rpath; do
+ if test -n "$hardcode_libdir_flag_spec"; then
+ if test -n "$hardcode_libdir_separator"; then
+ if test -z "$hardcode_libdirs"; then
+ hardcode_libdirs="$libdir"
+ else
+ # Just accumulate the unique libdirs.
+ case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+ *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+ ;;
+ *)
+ hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
+ ;;
+ esac
+ fi
+ else
+ eval flag=\"$hardcode_libdir_flag_spec\"
+ rpath="$rpath $flag"
+ fi
+ elif test -n "$runpath_var"; then
+ case "$finalize_perm_rpath " in
+ *" $libdir "*) ;;
+ *) finalize_perm_rpath="$finalize_perm_rpath $libdir" ;;
+ esac
+ fi
+ done
+ # Substitute the hardcoded libdirs into the rpath.
+ if test -n "$hardcode_libdir_separator" &&
+ test -n "$hardcode_libdirs"; then
+ libdir="$hardcode_libdirs"
+ eval rpath=\" $hardcode_libdir_flag_spec\"
+ fi
+ finalize_rpath="$rpath"
+
+ if test -n "$libobjs" && test "$build_old_libs" = yes; then
+ # Transform all the library objects into standard objects.
+ compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
+ finalize_command=`$echo "X$finalize_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
+ fi
+
+ dlsyms=
+ if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+ if test -n "$NM" && test -n "$global_symbol_pipe"; then
+ dlsyms="${outputname}S.c"
+ else
+ $echo "$modename: not configured to extract global symbols from dlpreopened files" 1>&2
+ fi
+ fi
+
+ if test -n "$dlsyms"; then
+ case $dlsyms in
+ "") ;;
+ *.c)
+ # Discover the nlist of each of the dlfiles.
+ nlist="$output_objdir/${outputname}.nm"
+
+ $show "$rm $nlist ${nlist}S ${nlist}T"
+ $run $rm "$nlist" "${nlist}S" "${nlist}T"
+
+ # Parse the name list into a source file.
+ $show "creating $output_objdir/$dlsyms"
+
+ test -z "$run" && $echo > "$output_objdir/$dlsyms" "\
+/* $dlsyms - symbol resolution table for \`$outputname' dlsym emulation. */
+/* Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP */
+
+#ifdef __cplusplus
+extern \"C\" {
+#endif
+
+/* Prevent the only kind of declaration conflicts we can make. */
+#define lt_preloaded_symbols some_other_symbol
+
+/* External symbol declarations for the compiler. */\
+"
+
+ if test "$dlself" = yes; then
+ $show "generating symbol list for \`$output'"
+
+ test -z "$run" && $echo ': @PROGRAM@ ' > "$nlist"
+
+ # Add our own program objects to the symbol list.
+ progfiles=`$echo "X$objs$old_deplibs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
+ for arg in $progfiles; do
+ $show "extracting global C symbols from \`$arg'"
+ $run eval "$NM $arg | $global_symbol_pipe >> '$nlist'"
+ done
+
+ if test -n "$exclude_expsyms"; then
+ $run eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T'
+ $run eval '$mv "$nlist"T "$nlist"'
+ fi
+
+ if test -n "$export_symbols_regex"; then
+ $run eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T'
+ $run eval '$mv "$nlist"T "$nlist"'
+ fi
+
+ # Prepare the list of exported symbols
+ if test -z "$export_symbols"; then
+ export_symbols="$output_objdir/$outputname.exp"
+ $run $rm $export_symbols
+ $run eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
+ case $host in
+ *cygwin* | *mingw* )
+ $run eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+ $run eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"'
+ ;;
+ esac
+ else
+ $run eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
+ $run eval 'grep -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
+ $run eval 'mv "$nlist"T "$nlist"'
+ case $host in
+ *cygwin* | *mingw* )
+ $run eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+ $run eval 'cat "$nlist" >> "$output_objdir/$outputname.def"'
+ ;;
+ esac
+ fi
+ fi
+
+ for arg in $dlprefiles; do
+ $show "extracting global C symbols from \`$arg'"
+ name=`$echo "$arg" | ${SED} -e 's%^.*/%%'`
+ $run eval '$echo ": $name " >> "$nlist"'
+ $run eval "$NM $arg | $global_symbol_pipe >> '$nlist'"
+ done
+
+ if test -z "$run"; then
+ # Make sure we have at least an empty file.
+ test -f "$nlist" || : > "$nlist"
+
+ if test -n "$exclude_expsyms"; then
+ $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T
+ $mv "$nlist"T "$nlist"
+ fi
+
+ # Try sorting and uniquifying the output.
+ if grep -v "^: " < "$nlist" |
+ if sort -k 3 </dev/null >/dev/null 2>&1; then
+ sort -k 3
+ else
+ sort +2
+ fi |
+ uniq > "$nlist"S; then
+ :
+ else
+ grep -v "^: " < "$nlist" > "$nlist"S
+ fi
+
+ if test -f "$nlist"S; then
+ eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$dlsyms"'
+ else
+ $echo '/* NONE */' >> "$output_objdir/$dlsyms"
+ fi
+
+ $echo >> "$output_objdir/$dlsyms" "\
+
+#undef lt_preloaded_symbols
+
+#if defined (__STDC__) && __STDC__
+# define lt_ptr void *
+#else
+# define lt_ptr char *
+# define const
+#endif
+
+/* The mapping between symbol names and symbols. */
+"
+
+ case $host in
+ *cygwin* | *mingw* )
+ $echo >> "$output_objdir/$dlsyms" "\
+/* DATA imports from DLLs on WIN32 can't be const, because
+ runtime relocations are performed -- see ld's documentation
+ on pseudo-relocs */
+struct {
+"
+ ;;
+ * )
+ $echo >> "$output_objdir/$dlsyms" "\
+const struct {
+"
+ ;;
+ esac
+
+
+ $echo >> "$output_objdir/$dlsyms" "\
+ const char *name;
+ lt_ptr address;
+}
+lt_preloaded_symbols[] =
+{\
+"
+
+ eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$dlsyms"
+
+ $echo >> "$output_objdir/$dlsyms" "\
+ {0, (lt_ptr) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+ return lt_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif\
+"
+ fi
+
+ pic_flag_for_symtable=
+ case $host in
+ # compiling the symbol table file with pic_flag works around
+ # a FreeBSD bug that causes programs to crash when -lm is
+ # linked before any other PIC object. But we must not use
+ # pic_flag when linking with -static. The problem exists in
+ # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
+ *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
+ case "$compile_command " in
+ *" -static "*) ;;
+ *) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND";;
+ esac;;
+ *-*-hpux*)
+ case "$compile_command " in
+ *" -static "*) ;;
+ *) pic_flag_for_symtable=" $pic_flag";;
+ esac
+ esac
+
+ # Now compile the dynamic symbol file.
+ $show "(cd $output_objdir && $LTCC $LTCFLAGS -c$no_builtin_flag$pic_flag_for_symtable \"$dlsyms\")"
+ $run eval '(cd $output_objdir && $LTCC $LTCFLAGS -c$no_builtin_flag$pic_flag_for_symtable "$dlsyms")' || exit $?
+
+ # Clean up the generated files.
+ $show "$rm $output_objdir/$dlsyms $nlist ${nlist}S ${nlist}T"
+ $run $rm "$output_objdir/$dlsyms" "$nlist" "${nlist}S" "${nlist}T"
+
+ # Transform the symbol file into the correct name.
+ case $host in
+ *cygwin* | *mingw* )
+ if test -f "$output_objdir/${outputname}.def" ; then
+ compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e "s%@SYMFILE@%$output_objdir/${outputname}.def $output_objdir/${outputname}S.${objext}%" | $NL2SP`
+ finalize_command=`$echo "X$finalize_command" | $SP2NL | $Xsed -e "s%@SYMFILE@%$output_objdir/${outputname}.def $output_objdir/${outputname}S.${objext}%" | $NL2SP`
+ else
+ compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e "s%@SYMFILE@%$output_objdir/${outputname}S.${objext}%" | $NL2SP`
+ finalize_command=`$echo "X$finalize_command" | $SP2NL | $Xsed -e "s%@SYMFILE@%$output_objdir/${outputname}S.${objext}%" | $NL2SP`
+ fi
+ ;;
+ * )
+ compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e "s%@SYMFILE@%$output_objdir/${outputname}S.${objext}%" | $NL2SP`
+ finalize_command=`$echo "X$finalize_command" | $SP2NL | $Xsed -e "s%@SYMFILE@%$output_objdir/${outputname}S.${objext}%" | $NL2SP`
+ ;;
+ esac
+ ;;
+ *)
+ $echo "$modename: unknown suffix for \`$dlsyms'" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+ else
+ # We keep going just in case the user didn't refer to
+ # lt_preloaded_symbols. The linker will fail if global_symbol_pipe
+ # really was required.
+
+ # Nullify the symbol file.
+ compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e "s% @SYMFILE@%%" | $NL2SP`
+ finalize_command=`$echo "X$finalize_command" | $SP2NL | $Xsed -e "s% @SYMFILE@%%" | $NL2SP`
+ fi
+
+ if test "$need_relink" = no || test "$build_libtool_libs" != yes; then
+ # Replace the output file specification.
+ compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e 's%@OUTPUT@%'"$output"'%g' | $NL2SP`
+ link_command="$compile_command$compile_rpath"
+
+ # We have no uninstalled library dependencies, so finalize right now.
+ $show "$link_command"
+ $run eval "$link_command"
+ exit_status=$?
+
+ # Delete the generated files.
+ if test -n "$dlsyms"; then
+ $show "$rm $output_objdir/${outputname}S.${objext}"
+ $run $rm "$output_objdir/${outputname}S.${objext}"
+ fi
+
+ exit $exit_status
+ fi
+
+ if test -n "$shlibpath_var"; then
+ # We should set the shlibpath_var
+ rpath=
+ for dir in $temp_rpath; do
+ case $dir in
+ [\\/]* | [A-Za-z]:[\\/]*)
+ # Absolute path.
+ rpath="$rpath$dir:"
+ ;;
+ *)
+ # Relative path: add a thisdir entry.
+ rpath="$rpath\$thisdir/$dir:"
+ ;;
+ esac
+ done
+ temp_rpath="$rpath"
+ fi
+
+ if test -n "$compile_shlibpath$finalize_shlibpath"; then
+ compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command"
+ fi
+ if test -n "$finalize_shlibpath"; then
+ finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command"
+ fi
+
+ compile_var=
+ finalize_var=
+ if test -n "$runpath_var"; then
+ if test -n "$perm_rpath"; then
+ # We should set the runpath_var.
+ rpath=
+ for dir in $perm_rpath; do
+ rpath="$rpath$dir:"
+ done
+ compile_var="$runpath_var=\"$rpath\$$runpath_var\" "
+ fi
+ if test -n "$finalize_perm_rpath"; then
+ # We should set the runpath_var.
+ rpath=
+ for dir in $finalize_perm_rpath; do
+ rpath="$rpath$dir:"
+ done
+ finalize_var="$runpath_var=\"$rpath\$$runpath_var\" "
+ fi
+ fi
+
+ if test "$no_install" = yes; then
+ # We don't need to create a wrapper script.
+ link_command="$compile_var$compile_command$compile_rpath"
+ # Replace the output file specification.
+ link_command=`$echo "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'`
+ # Delete the old output file.
+ $run $rm $output
+ # Link the executable and exit
+ $show "$link_command"
+ $run eval "$link_command" || exit $?
+ exit $EXIT_SUCCESS
+ fi
+
+ if test "$hardcode_action" = relink; then
+ # Fast installation is not supported
+ link_command="$compile_var$compile_command$compile_rpath"
+ relink_command="$finalize_var$finalize_command$finalize_rpath"
+
+ $echo "$modename: warning: this platform does not like uninstalled shared libraries" 1>&2
+ $echo "$modename: \`$output' will be relinked during installation" 1>&2
+ else
+ if test "$fast_install" != no; then
+ link_command="$finalize_var$compile_command$finalize_rpath"
+ if test "$fast_install" = yes; then
+ relink_command=`$echo "X$compile_var$compile_command$compile_rpath" | $SP2NL | $Xsed -e 's%@OUTPUT@%\$progdir/\$file%g' | $NL2SP`
+ else
+ # fast_install is set to needless
+ relink_command=
+ fi
+ else
+ link_command="$compile_var$compile_command$compile_rpath"
+ relink_command="$finalize_var$finalize_command$finalize_rpath"
+ fi
+ fi
+
+ # Replace the output file specification.
+ link_command=`$echo "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'`
+
+ # Delete the old output files.
+ $run $rm $output $output_objdir/$outputname $output_objdir/lt-$outputname
+
+ $show "$link_command"
+ $run eval "$link_command" || exit $?
+
+ # Now create the wrapper script.
+ $show "creating $output"
+
+ # Quote the relink command for shipping.
+ if test -n "$relink_command"; then
+ # Preserve any variables that may affect compiler behavior
+ for var in $variables_saved_for_relink; do
+ if eval test -z \"\${$var+set}\"; then
+ relink_command="{ test -z \"\${$var+set}\" || unset $var || { $var=; export $var; }; }; $relink_command"
+ elif eval var_value=\$$var; test -z "$var_value"; then
+ relink_command="$var=; export $var; $relink_command"
+ else
+ var_value=`$echo "X$var_value" | $Xsed -e "$sed_quote_subst"`
+ relink_command="$var=\"$var_value\"; export $var; $relink_command"
+ fi
+ done
+ relink_command="(cd `pwd`; $relink_command)"
+ relink_command=`$echo "X$relink_command" | $SP2NL | $Xsed -e "$sed_quote_subst" | $NL2SP`
+ fi
+
+ # Quote $echo for shipping.
+ if test "X$echo" = "X$SHELL $progpath --fallback-echo"; then
+ case $progpath in
+ [\\/]* | [A-Za-z]:[\\/]*) qecho="$SHELL $progpath --fallback-echo";;
+ *) qecho="$SHELL `pwd`/$progpath --fallback-echo";;
+ esac
+ qecho=`$echo "X$qecho" | $Xsed -e "$sed_quote_subst"`
+ else
+ qecho=`$echo "X$echo" | $Xsed -e "$sed_quote_subst"`
+ fi
+
+ # Only actually do things if our run command is non-null.
+ if test -z "$run"; then
+ # win32 will think the script is a binary if it has
+ # a .exe suffix, so we strip it off here.
+ case $output in
+ *.exe) output=`$echo $output|${SED} 's,.exe$,,'` ;;
+ esac
+ # test for cygwin because mv fails w/o .exe extensions
+ case $host in
+ *cygwin*)
+ exeext=.exe
+ outputname=`$echo $outputname|${SED} 's,.exe$,,'` ;;
+ *) exeext= ;;
+ esac
+ case $host in
+ *cygwin* | *mingw* )
+ output_name=`basename $output`
+ output_path=`dirname $output`
+ cwrappersource="$output_path/$objdir/lt-$output_name.c"
+ cwrapper="$output_path/$output_name.exe"
+ $rm $cwrappersource $cwrapper
+ trap "$rm $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15
+
+ cat > $cwrappersource <<EOF
+
+/* $cwrappersource - temporary wrapper executable for $objdir/$outputname
+ Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP
+
+ The $output program cannot be directly executed until all the libtool
+ libraries that it depends on are installed.
+
+ This wrapper executable should never be moved out of the build directory.
+ If it is, it will not operate correctly.
+
+ Currently, it simply execs the wrapper *script* "/bin/sh $output",
+ but could eventually absorb all of the scripts functionality and
+ exec $objdir/$outputname directly.
+*/
+EOF
+ cat >> $cwrappersource<<"EOF"
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <malloc.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/stat.h>
+
+#if defined(PATH_MAX)
+# define LT_PATHMAX PATH_MAX
+#elif defined(MAXPATHLEN)
+# define LT_PATHMAX MAXPATHLEN
+#else
+# define LT_PATHMAX 1024
+#endif
+
+#ifndef DIR_SEPARATOR
+# define DIR_SEPARATOR '/'
+# define PATH_SEPARATOR ':'
+#endif
+
+#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \
+ defined (__OS2__)
+# define HAVE_DOS_BASED_FILE_SYSTEM
+# ifndef DIR_SEPARATOR_2
+# define DIR_SEPARATOR_2 '\\'
+# endif
+# ifndef PATH_SEPARATOR_2
+# define PATH_SEPARATOR_2 ';'
+# endif
+#endif
+
+#ifndef DIR_SEPARATOR_2
+# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
+#else /* DIR_SEPARATOR_2 */
+# define IS_DIR_SEPARATOR(ch) \
+ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
+#endif /* DIR_SEPARATOR_2 */
+
+#ifndef PATH_SEPARATOR_2
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR)
+#else /* PATH_SEPARATOR_2 */
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2)
+#endif /* PATH_SEPARATOR_2 */
+
+#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type)))
+#define XFREE(stale) do { \
+ if (stale) { free ((void *) stale); stale = 0; } \
+} while (0)
+
+/* -DDEBUG is fairly common in CFLAGS. */
+#undef DEBUG
+#if defined DEBUGWRAPPER
+# define DEBUG(format, ...) fprintf(stderr, format, __VA_ARGS__)
+#else
+# define DEBUG(format, ...)
+#endif
+
+const char *program_name = NULL;
+
+void * xmalloc (size_t num);
+char * xstrdup (const char *string);
+const char * base_name (const char *name);
+char * find_executable(const char *wrapper);
+int check_executable(const char *path);
+char * strendzap(char *str, const char *pat);
+void lt_fatal (const char *message, ...);
+
+int
+main (int argc, char *argv[])
+{
+ char **newargz;
+ int i;
+
+ program_name = (char *) xstrdup (base_name (argv[0]));
+ DEBUG("(main) argv[0] : %s\n",argv[0]);
+ DEBUG("(main) program_name : %s\n",program_name);
+ newargz = XMALLOC(char *, argc+2);
+EOF
+
+ cat >> $cwrappersource <<EOF
+ newargz[0] = (char *) xstrdup("$SHELL");
+EOF
+
+ cat >> $cwrappersource <<"EOF"
+ newargz[1] = find_executable(argv[0]);
+ if (newargz[1] == NULL)
+ lt_fatal("Couldn't find %s", argv[0]);
+ DEBUG("(main) found exe at : %s\n",newargz[1]);
+ /* we know the script has the same name, without the .exe */
+ /* so make sure newargz[1] doesn't end in .exe */
+ strendzap(newargz[1],".exe");
+ for (i = 1; i < argc; i++)
+ newargz[i+1] = xstrdup(argv[i]);
+ newargz[argc+1] = NULL;
+
+ for (i=0; i<argc+1; i++)
+ {
+ DEBUG("(main) newargz[%d] : %s\n",i,newargz[i]);
+ ;
+ }
+
+EOF
+
+ case $host_os in
+ mingw*)
+ cat >> $cwrappersource <<EOF
+ execv("$SHELL",(char const **)newargz);
+EOF
+ ;;
+ *)
+ cat >> $cwrappersource <<EOF
+ execv("$SHELL",newargz);
+EOF
+ ;;
+ esac
+
+ cat >> $cwrappersource <<"EOF"
+ return 127;
+}
+
+void *
+xmalloc (size_t num)
+{
+ void * p = (void *) malloc (num);
+ if (!p)
+ lt_fatal ("Memory exhausted");
+
+ return p;
+}
+
+char *
+xstrdup (const char *string)
+{
+ return string ? strcpy ((char *) xmalloc (strlen (string) + 1), string) : NULL
+;
+}
+
+const char *
+base_name (const char *name)
+{
+ const char *base;
+
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+ /* Skip over the disk name in MSDOS pathnames. */
+ if (isalpha ((unsigned char)name[0]) && name[1] == ':')
+ name += 2;
+#endif
+
+ for (base = name; *name; name++)
+ if (IS_DIR_SEPARATOR (*name))
+ base = name + 1;
+ return base;
+}
+
+int
+check_executable(const char * path)
+{
+ struct stat st;
+
+ DEBUG("(check_executable) : %s\n", path ? (*path ? path : "EMPTY!") : "NULL!");
+ if ((!path) || (!*path))
+ return 0;
+
+ if ((stat (path, &st) >= 0) &&
+ (
+ /* MinGW & native WIN32 do not support S_IXOTH or S_IXGRP */
+#if defined (S_IXOTH)
+ ((st.st_mode & S_IXOTH) == S_IXOTH) ||
+#endif
+#if defined (S_IXGRP)
+ ((st.st_mode & S_IXGRP) == S_IXGRP) ||
+#endif
+ ((st.st_mode & S_IXUSR) == S_IXUSR))
+ )
+ return 1;
+ else
+ return 0;
+}
+
+/* Searches for the full path of the wrapper. Returns
+ newly allocated full path name if found, NULL otherwise */
+char *
+find_executable (const char* wrapper)
+{
+ int has_slash = 0;
+ const char* p;
+ const char* p_next;
+ /* static buffer for getcwd */
+ char tmp[LT_PATHMAX + 1];
+ int tmp_len;
+ char* concat_name;
+
+ DEBUG("(find_executable) : %s\n", wrapper ? (*wrapper ? wrapper : "EMPTY!") : "NULL!");
+
+ if ((wrapper == NULL) || (*wrapper == '\0'))
+ return NULL;
+
+ /* Absolute path? */
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+ if (isalpha ((unsigned char)wrapper[0]) && wrapper[1] == ':')
+ {
+ concat_name = xstrdup (wrapper);
+ if (check_executable(concat_name))
+ return concat_name;
+ XFREE(concat_name);
+ }
+ else
+ {
+#endif
+ if (IS_DIR_SEPARATOR (wrapper[0]))
+ {
+ concat_name = xstrdup (wrapper);
+ if (check_executable(concat_name))
+ return concat_name;
+ XFREE(concat_name);
+ }
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+ }
+#endif
+
+ for (p = wrapper; *p; p++)
+ if (*p == '/')
+ {
+ has_slash = 1;
+ break;
+ }
+ if (!has_slash)
+ {
+ /* no slashes; search PATH */
+ const char* path = getenv ("PATH");
+ if (path != NULL)
+ {
+ for (p = path; *p; p = p_next)
+ {
+ const char* q;
+ size_t p_len;
+ for (q = p; *q; q++)
+ if (IS_PATH_SEPARATOR(*q))
+ break;
+ p_len = q - p;
+ p_next = (*q == '\0' ? q : q + 1);
+ if (p_len == 0)
+ {
+ /* empty path: current directory */
+ if (getcwd (tmp, LT_PATHMAX) == NULL)
+ lt_fatal ("getcwd failed");
+ tmp_len = strlen(tmp);
+ concat_name = XMALLOC(char, tmp_len + 1 + strlen(wrapper) + 1);
+ memcpy (concat_name, tmp, tmp_len);
+ concat_name[tmp_len] = '/';
+ strcpy (concat_name + tmp_len + 1, wrapper);
+ }
+ else
+ {
+ concat_name = XMALLOC(char, p_len + 1 + strlen(wrapper) + 1);
+ memcpy (concat_name, p, p_len);
+ concat_name[p_len] = '/';
+ strcpy (concat_name + p_len + 1, wrapper);
+ }
+ if (check_executable(concat_name))
+ return concat_name;
+ XFREE(concat_name);
+ }
+ }
+ /* not found in PATH; assume curdir */
+ }
+ /* Relative path | not found in path: prepend cwd */
+ if (getcwd (tmp, LT_PATHMAX) == NULL)
+ lt_fatal ("getcwd failed");
+ tmp_len = strlen(tmp);
+ concat_name = XMALLOC(char, tmp_len + 1 + strlen(wrapper) + 1);
+ memcpy (concat_name, tmp, tmp_len);
+ concat_name[tmp_len] = '/';
+ strcpy (concat_name + tmp_len + 1, wrapper);
+
+ if (check_executable(concat_name))
+ return concat_name;
+ XFREE(concat_name);
+ return NULL;
+}
+
+char *
+strendzap(char *str, const char *pat)
+{
+ size_t len, patlen;
+
+ assert(str != NULL);
+ assert(pat != NULL);
+
+ len = strlen(str);
+ patlen = strlen(pat);
+
+ if (patlen <= len)
+ {
+ str += len - patlen;
+ if (strcmp(str, pat) == 0)
+ *str = '\0';
+ }
+ return str;
+}
+
+static void
+lt_error_core (int exit_status, const char * mode,
+ const char * message, va_list ap)
+{
+ fprintf (stderr, "%s: %s: ", program_name, mode);
+ vfprintf (stderr, message, ap);
+ fprintf (stderr, ".\n");
+
+ if (exit_status >= 0)
+ exit (exit_status);
+}
+
+void
+lt_fatal (const char *message, ...)
+{
+ va_list ap;
+ va_start (ap, message);
+ lt_error_core (EXIT_FAILURE, "FATAL", message, ap);
+ va_end (ap);
+}
+EOF
+ # we should really use a build-platform specific compiler
+ # here, but OTOH, the wrappers (shell script and this C one)
+ # are only useful if you want to execute the "real" binary.
+ # Since the "real" binary is built for $host, then this
+ # wrapper might as well be built for $host, too.
+ $run $LTCC $LTCFLAGS -s -o $cwrapper $cwrappersource
+ ;;
+ esac
+ $rm $output
+ trap "$rm $output; exit $EXIT_FAILURE" 1 2 15
+
+ $echo > $output "\
+#! $SHELL
+
+# $output - temporary wrapper script for $objdir/$outputname
+# Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP
+#
+# The $output program cannot be directly executed until all the libtool
+# libraries that it depends on are installed.
+#
+# This wrapper script should never be moved out of the build directory.
+# If it is, it will not operate correctly.
+
+# Sed substitution that helps us do robust quoting. It backslashifies
+# metacharacters that are still active within double-quoted strings.
+Xsed='${SED} -e 1s/^X//'
+sed_quote_subst='$sed_quote_subst'
+
+# Be Bourne compatible (taken from Autoconf:_AS_BOURNE_COMPATIBLE).
+if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '\${1+\"\$@\"}'='\"\$@\"'
+ setopt NO_GLOB_SUBST
+else
+ case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+relink_command=\"$relink_command\"
+
+# This environment variable determines our operation mode.
+if test \"\$libtool_install_magic\" = \"$magic\"; then
+ # install mode needs the following variable:
+ notinst_deplibs='$notinst_deplibs'
+else
+ # When we are sourced in execute mode, \$file and \$echo are already set.
+ if test \"\$libtool_execute_magic\" != \"$magic\"; then
+ echo=\"$qecho\"
+ file=\"\$0\"
+ # Make sure echo works.
+ if test \"X\$1\" = X--no-reexec; then
+ # Discard the --no-reexec flag, and continue.
+ shift
+ elif test \"X\`(\$echo '\t') 2>/dev/null\`\" = 'X\t'; then
+ # Yippee, \$echo works!
+ :
+ else
+ # Restart under the correct shell, and then maybe \$echo will work.
+ exec $SHELL \"\$0\" --no-reexec \${1+\"\$@\"}
+ fi
+ fi\
+"
+ $echo >> $output "\
+
+ # Find the directory that this script lives in.
+ thisdir=\`\$echo \"X\$file\" | \$Xsed -e 's%/[^/]*$%%'\`
+ test \"x\$thisdir\" = \"x\$file\" && thisdir=.
+
+ # Follow symbolic links until we get to the real thisdir.
+ file=\`ls -ld \"\$file\" | ${SED} -n 's/.*-> //p'\`
+ while test -n \"\$file\"; do
+ destdir=\`\$echo \"X\$file\" | \$Xsed -e 's%/[^/]*\$%%'\`
+
+ # If there was a directory component, then change thisdir.
+ if test \"x\$destdir\" != \"x\$file\"; then
+ case \"\$destdir\" in
+ [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;;
+ *) thisdir=\"\$thisdir/\$destdir\" ;;
+ esac
+ fi
+
+ file=\`\$echo \"X\$file\" | \$Xsed -e 's%^.*/%%'\`
+ file=\`ls -ld \"\$thisdir/\$file\" | ${SED} -n 's/.*-> //p'\`
+ done
+
+ # Try to get the absolute directory name.
+ absdir=\`cd \"\$thisdir\" && pwd\`
+ test -n \"\$absdir\" && thisdir=\"\$absdir\"
+"
+
+ if test "$fast_install" = yes; then
+ $echo >> $output "\
+ program=lt-'$outputname'$exeext
+ progdir=\"\$thisdir/$objdir\"
+
+ if test ! -f \"\$progdir/\$program\" || \\
+ { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\
+ test \"X\$file\" != \"X\$progdir/\$program\"; }; then
+
+ file=\"\$\$-\$program\"
+
+ if test ! -d \"\$progdir\"; then
+ $mkdir \"\$progdir\"
+ else
+ $rm \"\$progdir/\$file\"
+ fi"
+
+ $echo >> $output "\
+
+ # relink executable if necessary
+ if test -n \"\$relink_command\"; then
+ if relink_command_output=\`eval \$relink_command 2>&1\`; then :
+ else
+ $echo \"\$relink_command_output\" >&2
+ $rm \"\$progdir/\$file\"
+ exit $EXIT_FAILURE
+ fi
+ fi
+
+ $mv \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null ||
+ { $rm \"\$progdir/\$program\";
+ $mv \"\$progdir/\$file\" \"\$progdir/\$program\"; }
+ $rm \"\$progdir/\$file\"
+ fi"
+ else
+ $echo >> $output "\
+ program='$outputname'
+ progdir=\"\$thisdir/$objdir\"
+"
+ fi
+
+ $echo >> $output "\
+
+ if test -f \"\$progdir/\$program\"; then"
+
+ # Export our shlibpath_var if we have one.
+ if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+ $echo >> $output "\
+ # Add our own library path to $shlibpath_var
+ $shlibpath_var=\"$temp_rpath\$$shlibpath_var\"
+
+ # Some systems cannot cope with colon-terminated $shlibpath_var
+ # The second colon is a workaround for a bug in BeOS R4 sed
+ $shlibpath_var=\`\$echo \"X\$$shlibpath_var\" | \$Xsed -e 's/::*\$//'\`
+
+ export $shlibpath_var
+"
+ fi
+
+ # fixup the dll searchpath if we need to.
+ if test -n "$dllsearchpath"; then
+ $echo >> $output "\
+ # Add the dll search path components to the executable PATH
+ PATH=$dllsearchpath:\$PATH
+"
+ fi
+
+ $echo >> $output "\
+ if test \"\$libtool_execute_magic\" != \"$magic\"; then
+ # Run the actual program with our arguments.
+"
+ case $host in
+ # Backslashes separate directories on plain windows
+ *-*-mingw | *-*-os2*)
+ $echo >> $output "\
+ exec \"\$progdir\\\\\$program\" \${1+\"\$@\"}
+"
+ ;;
+
+ *)
+ $echo >> $output "\
+ exec \"\$progdir/\$program\" \${1+\"\$@\"}
+"
+ ;;
+ esac
+ $echo >> $output "\
+ \$echo \"\$0: cannot exec \$program \$*\"
+ exit $EXIT_FAILURE
+ fi
+ else
+ # The program doesn't exist.
+ \$echo \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2
+ \$echo \"This script is just a wrapper for \$program.\" 1>&2
+ $echo \"See the $PACKAGE documentation for more information.\" 1>&2
+ exit $EXIT_FAILURE
+ fi
+fi\
+"
+ chmod +x $output
+ fi
+ exit $EXIT_SUCCESS
+ ;;
+ esac
+
+ # See if we need to build an old-fashioned archive.
+ for oldlib in $oldlibs; do
+
+ if test "$build_libtool_libs" = convenience; then
+ oldobjs="$libobjs_save"
+ addlibs="$convenience"
+ build_libtool_libs=no
+ else
+ if test "$build_libtool_libs" = module; then
+ oldobjs="$libobjs_save"
+ build_libtool_libs=no
+ else
+ oldobjs="$old_deplibs $non_pic_objects"
+ fi
+ addlibs="$old_convenience"
+ fi
+
+ if test -n "$addlibs"; then
+ gentop="$output_objdir/${outputname}x"
+ generated="$generated $gentop"
+
+ func_extract_archives $gentop $addlibs
+ oldobjs="$oldobjs $func_extract_archives_result"
+ fi
+
+ # Do each command in the archive commands.
+ if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then
+ cmds=$old_archive_from_new_cmds
+ else
+ # POSIX demands no paths to be encoded in archives. We have
+ # to avoid creating archives with duplicate basenames if we
+ # might have to extract them afterwards, e.g., when creating a
+ # static archive out of a convenience library, or when linking
+ # the entirety of a libtool archive into another (currently
+ # not supported by libtool).
+ if (for obj in $oldobjs
+ do
+ $echo "X$obj" | $Xsed -e 's%^.*/%%'
+ done | sort | sort -uc >/dev/null 2>&1); then
+ :
+ else
+ $echo "copying selected object files to avoid basename conflicts..."
+
+ if test -z "$gentop"; then
+ gentop="$output_objdir/${outputname}x"
+ generated="$generated $gentop"
+
+ $show "${rm}r $gentop"
+ $run ${rm}r "$gentop"
+ $show "$mkdir $gentop"
+ $run $mkdir "$gentop"
+ exit_status=$?
+ if test "$exit_status" -ne 0 && test ! -d "$gentop"; then
+ exit $exit_status
+ fi
+ fi
+
+ save_oldobjs=$oldobjs
+ oldobjs=
+ counter=1
+ for obj in $save_oldobjs
+ do
+ objbase=`$echo "X$obj" | $Xsed -e 's%^.*/%%'`
+ case " $oldobjs " in
+ " ") oldobjs=$obj ;;
+ *[\ /]"$objbase "*)
+ while :; do
+ # Make sure we don't pick an alternate name that also
+ # overlaps.
+ newobj=lt$counter-$objbase
+ counter=`expr $counter + 1`
+ case " $oldobjs " in
+ *[\ /]"$newobj "*) ;;
+ *) if test ! -f "$gentop/$newobj"; then break; fi ;;
+ esac
+ done
+ $show "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj"
+ $run ln "$obj" "$gentop/$newobj" ||
+ $run cp "$obj" "$gentop/$newobj"
+ oldobjs="$oldobjs $gentop/$newobj"
+ ;;
+ *) oldobjs="$oldobjs $obj" ;;
+ esac
+ done
+ fi
+
+ eval cmds=\"$old_archive_cmds\"
+
+ if len=`expr "X$cmds" : ".*"` &&
+ test "$len" -le "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+ cmds=$old_archive_cmds
+ else
+ # the command line is too long to link in one step, link in parts
+ $echo "using piecewise archive linking..."
+ save_RANLIB=$RANLIB
+ RANLIB=:
+ objlist=
+ concat_cmds=
+ save_oldobjs=$oldobjs
+
+ # Is there a better way of finding the last object in the list?
+ for obj in $save_oldobjs
+ do
+ last_oldobj=$obj
+ done
+ for obj in $save_oldobjs
+ do
+ oldobjs="$objlist $obj"
+ objlist="$objlist $obj"
+ eval test_cmds=\"$old_archive_cmds\"
+ if len=`expr "X$test_cmds" : ".*" 2>/dev/null` &&
+ test "$len" -le "$max_cmd_len"; then
+ :
+ else
+ # the above command should be used before it gets too long
+ oldobjs=$objlist
+ if test "$obj" = "$last_oldobj" ; then
+ RANLIB=$save_RANLIB
+ fi
+ test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+ eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\"
+ objlist=
+ fi
+ done
+ RANLIB=$save_RANLIB
+ oldobjs=$objlist
+ if test "X$oldobjs" = "X" ; then
+ eval cmds=\"\$concat_cmds\"
+ else
+ eval cmds=\"\$concat_cmds~\$old_archive_cmds\"
+ fi
+ fi
+ fi
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $cmds; do
+ eval cmd=\"$cmd\"
+ IFS="$save_ifs"
+ $show "$cmd"
+ $run eval "$cmd" || exit $?
+ done
+ IFS="$save_ifs"
+ done
+
+ if test -n "$generated"; then
+ $show "${rm}r$generated"
+ $run ${rm}r$generated
+ fi
+
+ # Now create the libtool archive.
+ case $output in
+ *.la)
+ old_library=
+ test "$build_old_libs" = yes && old_library="$libname.$libext"
+ $show "creating $output"
+
+ # Preserve any variables that may affect compiler behavior
+ for var in $variables_saved_for_relink; do
+ if eval test -z \"\${$var+set}\"; then
+ relink_command="{ test -z \"\${$var+set}\" || unset $var || { $var=; export $var; }; }; $relink_command"
+ elif eval var_value=\$$var; test -z "$var_value"; then
+ relink_command="$var=; export $var; $relink_command"
+ else
+ var_value=`$echo "X$var_value" | $Xsed -e "$sed_quote_subst"`
+ relink_command="$var=\"$var_value\"; export $var; $relink_command"
+ fi
+ done
+ # Quote the link command for shipping.
+ relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)"
+ relink_command=`$echo "X$relink_command" | $SP2NL | $Xsed -e "$sed_quote_subst" | $NL2SP`
+ if test "$hardcode_automatic" = yes ; then
+ relink_command=
+ fi
+
+
+ # Only create the output if not a dry run.
+ if test -z "$run"; then
+ for installed in no yes; do
+ if test "$installed" = yes; then
+ if test -z "$install_libdir"; then
+ break
+ fi
+ output="$output_objdir/$outputname"i
+ # Replace all uninstalled libtool libraries with the installed ones
+ newdependency_libs=
+ for deplib in $dependency_libs; do
+ case $deplib in
+ *.la)
+ name=`$echo "X$deplib" | $Xsed -e 's%^.*/%%'`
+ eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+ if test -z "$libdir"; then
+ $echo "$modename: \`$deplib' is not a valid libtool archive" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ newdependency_libs="$newdependency_libs $libdir/$name"
+ ;;
+ *) newdependency_libs="$newdependency_libs $deplib" ;;
+ esac
+ done
+ dependency_libs="$newdependency_libs"
+ newdlfiles=
+ for lib in $dlfiles; do
+ name=`$echo "X$lib" | $Xsed -e 's%^.*/%%'`
+ eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+ if test -z "$libdir"; then
+ $echo "$modename: \`$lib' is not a valid libtool archive" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ newdlfiles="$newdlfiles $libdir/$name"
+ done
+ dlfiles="$newdlfiles"
+ newdlprefiles=
+ for lib in $dlprefiles; do
+ name=`$echo "X$lib" | $Xsed -e 's%^.*/%%'`
+ eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+ if test -z "$libdir"; then
+ $echo "$modename: \`$lib' is not a valid libtool archive" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ newdlprefiles="$newdlprefiles $libdir/$name"
+ done
+ dlprefiles="$newdlprefiles"
+ else
+ newdlfiles=
+ for lib in $dlfiles; do
+ case $lib in
+ [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+ *) abs=`pwd`"/$lib" ;;
+ esac
+ newdlfiles="$newdlfiles $abs"
+ done
+ dlfiles="$newdlfiles"
+ newdlprefiles=
+ for lib in $dlprefiles; do
+ case $lib in
+ [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+ *) abs=`pwd`"/$lib" ;;
+ esac
+ newdlprefiles="$newdlprefiles $abs"
+ done
+ dlprefiles="$newdlprefiles"
+ fi
+ $rm $output
+ # place dlname in correct position for cygwin
+ tdlname=$dlname
+ case $host,$output,$installed,$module,$dlname in
+ *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll) tdlname=../bin/$dlname ;;
+ esac
+ $echo > $output "\
+# $outputname - a libtool library file
+# Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='$tdlname'
+
+# Names of this library.
+library_names='$library_names'
+
+# The name of the static archive.
+old_library='$old_library'
+
+# Libraries that this one depends upon.
+dependency_libs='$dependency_libs'
+
+# Version information for $libname.
+current=$current
+age=$age
+revision=$revision
+
+# Is this an already installed library?
+installed=$installed
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=$module
+
+# Files to dlopen/dlpreopen
+dlopen='$dlfiles'
+dlpreopen='$dlprefiles'
+
+# Directory that this library needs to be installed in:
+libdir='$install_libdir'"
+ if test "$installed" = no && test "$need_relink" = yes; then
+ $echo >> $output "\
+relink_command=\"$relink_command\""
+ fi
+ done
+ fi
+
+ # Do a symbolic link so that the libtool archive can be found in
+ # LD_LIBRARY_PATH before the program is installed.
+ $show "(cd $output_objdir && $rm $outputname && $LN_S ../$outputname $outputname)"
+ $run eval '(cd $output_objdir && $rm $outputname && $LN_S ../$outputname $outputname)' || exit $?
+ ;;
+ esac
+ exit $EXIT_SUCCESS
+ ;;
+
+ # libtool install mode
+ install)
+ modename="$modename: install"
+
+ # There may be an optional sh(1) argument at the beginning of
+ # install_prog (especially on Windows NT).
+ if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh ||
+ # Allow the use of GNU shtool's install command.
+ $echo "X$nonopt" | grep shtool > /dev/null; then
+ # Aesthetically quote it.
+ arg=`$echo "X$nonopt" | $Xsed -e "$sed_quote_subst"`
+ case $arg in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ arg="\"$arg\""
+ ;;
+ esac
+ install_prog="$arg "
+ arg="$1"
+ shift
+ else
+ install_prog=
+ arg=$nonopt
+ fi
+
+ # The real first argument should be the name of the installation program.
+ # Aesthetically quote it.
+ arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
+ case $arg in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ arg="\"$arg\""
+ ;;
+ esac
+ install_prog="$install_prog$arg"
+
+ # We need to accept at least all the BSD install flags.
+ dest=
+ files=
+ opts=
+ prev=
+ install_type=
+ isdir=no
+ stripme=
+ for arg
+ do
+ if test -n "$dest"; then
+ files="$files $dest"
+ dest=$arg
+ continue
+ fi
+
+ case $arg in
+ -d) isdir=yes ;;
+ -f)
+ case " $install_prog " in
+ *[\\\ /]cp\ *) ;;
+ *) prev=$arg ;;
+ esac
+ ;;
+ -g | -m | -o) prev=$arg ;;
+ -s)
+ stripme=" -s"
+ continue
+ ;;
+ -*)
+ ;;
+ *)
+ # If the previous option needed an argument, then skip it.
+ if test -n "$prev"; then
+ prev=
+ else
+ dest=$arg
+ continue
+ fi
+ ;;
+ esac
+
+ # Aesthetically quote the argument.
+ arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
+ case $arg in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ arg="\"$arg\""
+ ;;
+ esac
+ install_prog="$install_prog $arg"
+ done
+
+ if test -z "$install_prog"; then
+ $echo "$modename: you must specify an install program" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ if test -n "$prev"; then
+ $echo "$modename: the \`$prev' option requires an argument" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ if test -z "$files"; then
+ if test -z "$dest"; then
+ $echo "$modename: no file or destination specified" 1>&2
+ else
+ $echo "$modename: you must specify a destination" 1>&2
+ fi
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ # Strip any trailing slash from the destination.
+ dest=`$echo "X$dest" | $Xsed -e 's%/$%%'`
+
+ # Check to see that the destination is a directory.
+ test -d "$dest" && isdir=yes
+ if test "$isdir" = yes; then
+ destdir="$dest"
+ destname=
+ else
+ destdir=`$echo "X$dest" | $Xsed -e 's%/[^/]*$%%'`
+ test "X$destdir" = "X$dest" && destdir=.
+ destname=`$echo "X$dest" | $Xsed -e 's%^.*/%%'`
+
+ # Not a directory, so check to see that there is only one file specified.
+ set dummy $files
+ if test "$#" -gt 2; then
+ $echo "$modename: \`$dest' is not a directory" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ fi
+ case $destdir in
+ [\\/]* | [A-Za-z]:[\\/]*) ;;
+ *)
+ for file in $files; do
+ case $file in
+ *.lo) ;;
+ *)
+ $echo "$modename: \`$destdir' must be an absolute directory name" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+ done
+ ;;
+ esac
+
+ # This variable tells wrapper scripts just to set variables rather
+ # than running their programs.
+ libtool_install_magic="$magic"
+
+ staticlibs=
+ future_libdirs=
+ current_libdirs=
+ for file in $files; do
+
+ # Do each installation.
+ case $file in
+ *.$libext)
+ # Do the static libraries later.
+ staticlibs="$staticlibs $file"
+ ;;
+
+ *.la)
+ # Check to see that this really is a libtool archive.
+ if (${SED} -e '2q' $file | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then :
+ else
+ $echo "$modename: \`$file' is not a valid libtool archive" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ library_names=
+ old_library=
+ relink_command=
+ # If there is no directory component, then add one.
+ case $file in
+ */* | *\\*) . $file ;;
+ *) . ./$file ;;
+ esac
+
+ # Add the libdir to current_libdirs if it is the destination.
+ if test "X$destdir" = "X$libdir"; then
+ case "$current_libdirs " in
+ *" $libdir "*) ;;
+ *) current_libdirs="$current_libdirs $libdir" ;;
+ esac
+ else
+ # Note the libdir as a future libdir.
+ case "$future_libdirs " in
+ *" $libdir "*) ;;
+ *) future_libdirs="$future_libdirs $libdir" ;;
+ esac
+ fi
+
+ dir=`$echo "X$file" | $Xsed -e 's%/[^/]*$%%'`/
+ test "X$dir" = "X$file/" && dir=
+ dir="$dir$objdir"
+
+ if test -n "$relink_command"; then
+ # Determine the prefix the user has applied to our future dir.
+ inst_prefix_dir=`$echo "$destdir" | $SED "s%$libdir\$%%"`
+
+ # Don't allow the user to place us outside of our expected
+ # location b/c this prevents finding dependent libraries that
+ # are installed to the same prefix.
+ # At present, this check doesn't affect windows .dll's that
+ # are installed into $libdir/../bin (currently, that works fine)
+ # but it's something to keep an eye on.
+ if test "$inst_prefix_dir" = "$destdir"; then
+ $echo "$modename: error: cannot install \`$file' to a directory not ending in $libdir" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ if test -n "$inst_prefix_dir"; then
+ # Stick the inst_prefix_dir data into the link command.
+ relink_command=`$echo "$relink_command" | $SP2NL | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%" | $NL2SP`
+ else
+ relink_command=`$echo "$relink_command" | $SP2NL | $SED "s%@inst_prefix_dir@%%" | $NL2SP`
+ fi
+
+ $echo "$modename: warning: relinking \`$file'" 1>&2
+ $show "$relink_command"
+ if $run eval "$relink_command"; then :
+ else
+ $echo "$modename: error: relink \`$file' with the above command before installing it" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ fi
+
+ # See the names of the shared library.
+ set dummy $library_names
+ if test -n "$2"; then
+ realname="$2"
+ shift
+ shift
+
+ srcname="$realname"
+ test -n "$relink_command" && srcname="$realname"T
+
+ # Install the shared library and build the symlinks.
+ $show "$install_prog $dir/$srcname $destdir/$realname"
+ $run eval "$install_prog $dir/$srcname $destdir/$realname" || exit $?
+ if test -n "$stripme" && test -n "$striplib"; then
+ $show "$striplib $destdir/$realname"
+ $run eval "$striplib $destdir/$realname" || exit $?
+ fi
+
+ if test "$#" -gt 0; then
+ # Delete the old symlinks, and create new ones.
+ # Try `ln -sf' first, because the `ln' binary might depend on
+ # the symlink we replace! Solaris /bin/ln does not understand -f,
+ # so we also need to try rm && ln -s.
+ for linkname
+ do
+ if test "$linkname" != "$realname"; then
+ $show "(cd $destdir && { $LN_S -f $realname $linkname || { $rm $linkname && $LN_S $realname $linkname; }; })"
+ $run eval "(cd $destdir && { $LN_S -f $realname $linkname || { $rm $linkname && $LN_S $realname $linkname; }; })"
+ fi
+ done
+ fi
+
+ # Do each command in the postinstall commands.
+ lib="$destdir/$realname"
+ cmds=$postinstall_cmds
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ $show "$cmd"
+ $run eval "$cmd" || {
+ lt_exit=$?
+
+ # Restore the uninstalled library and exit
+ if test "$mode" = relink; then
+ $run eval '(cd $output_objdir && $rm ${realname}T && $mv ${realname}U $realname)'
+ fi
+
+ exit $lt_exit
+ }
+ done
+ IFS="$save_ifs"
+ fi
+
+ # Install the pseudo-library for information purposes.
+ name=`$echo "X$file" | $Xsed -e 's%^.*/%%'`
+ instname="$dir/$name"i
+ $show "$install_prog $instname $destdir/$name"
+ $run eval "$install_prog $instname $destdir/$name" || exit $?
+
+ # Maybe install the static library, too.
+ test -n "$old_library" && staticlibs="$staticlibs $dir/$old_library"
+ ;;
+
+ *.lo)
+ # Install (i.e. copy) a libtool object.
+
+ # Figure out destination file name, if it wasn't already specified.
+ if test -n "$destname"; then
+ destfile="$destdir/$destname"
+ else
+ destfile=`$echo "X$file" | $Xsed -e 's%^.*/%%'`
+ destfile="$destdir/$destfile"
+ fi
+
+ # Deduce the name of the destination old-style object file.
+ case $destfile in
+ *.lo)
+ staticdest=`$echo "X$destfile" | $Xsed -e "$lo2o"`
+ ;;
+ *.$objext)
+ staticdest="$destfile"
+ destfile=
+ ;;
+ *)
+ $echo "$modename: cannot copy a libtool object to \`$destfile'" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+
+ # Install the libtool object if requested.
+ if test -n "$destfile"; then
+ $show "$install_prog $file $destfile"
+ $run eval "$install_prog $file $destfile" || exit $?
+ fi
+
+ # Install the old object if enabled.
+ if test "$build_old_libs" = yes; then
+ # Deduce the name of the old-style object file.
+ staticobj=`$echo "X$file" | $Xsed -e "$lo2o"`
+
+ $show "$install_prog $staticobj $staticdest"
+ $run eval "$install_prog \$staticobj \$staticdest" || exit $?
+ fi
+ exit $EXIT_SUCCESS
+ ;;
+
+ *)
+ # Figure out destination file name, if it wasn't already specified.
+ if test -n "$destname"; then
+ destfile="$destdir/$destname"
+ else
+ destfile=`$echo "X$file" | $Xsed -e 's%^.*/%%'`
+ destfile="$destdir/$destfile"
+ fi
+
+ # If the file is missing, and there is a .exe on the end, strip it
+ # because it is most likely a libtool script we actually want to
+ # install
+ stripped_ext=""
+ case $file in
+ *.exe)
+ if test ! -f "$file"; then
+ file=`$echo $file|${SED} 's,.exe$,,'`
+ stripped_ext=".exe"
+ fi
+ ;;
+ esac
+
+ # Do a test to see if this is really a libtool program.
+ case $host in
+ *cygwin*|*mingw*)
+ wrapper=`$echo $file | ${SED} -e 's,.exe$,,'`
+ ;;
+ *)
+ wrapper=$file
+ ;;
+ esac
+ if (${SED} -e '4q' $wrapper | grep "^# Generated by .*$PACKAGE")>/dev/null 2>&1; then
+ notinst_deplibs=
+ relink_command=
+
+ # Note that it is not necessary on cygwin/mingw to append a dot to
+ # foo even if both foo and FILE.exe exist: automatic-append-.exe
+ # behavior happens only for exec(3), not for open(2)! Also, sourcing
+ # `FILE.' does not work on cygwin managed mounts.
+ #
+ # If there is no directory component, then add one.
+ case $wrapper in
+ */* | *\\*) . ${wrapper} ;;
+ *) . ./${wrapper} ;;
+ esac
+
+ # Check the variables that should have been set.
+ if test -z "$notinst_deplibs"; then
+ $echo "$modename: invalid libtool wrapper script \`$wrapper'" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ finalize=yes
+ for lib in $notinst_deplibs; do
+ # Check to see that each library is installed.
+ libdir=
+ if test -f "$lib"; then
+ # If there is no directory component, then add one.
+ case $lib in
+ */* | *\\*) . $lib ;;
+ *) . ./$lib ;;
+ esac
+ fi
+ libfile="$libdir/"`$echo "X$lib" | $Xsed -e 's%^.*/%%g'` ### testsuite: skip nested quoting test
+ if test -n "$libdir" && test ! -f "$libfile"; then
+ $echo "$modename: warning: \`$lib' has not been installed in \`$libdir'" 1>&2
+ finalize=no
+ fi
+ done
+
+ relink_command=
+ # Note that it is not necessary on cygwin/mingw to append a dot to
+ # foo even if both foo and FILE.exe exist: automatic-append-.exe
+ # behavior happens only for exec(3), not for open(2)! Also, sourcing
+ # `FILE.' does not work on cygwin managed mounts.
+ #
+ # If there is no directory component, then add one.
+ case $wrapper in
+ */* | *\\*) . ${wrapper} ;;
+ *) . ./${wrapper} ;;
+ esac
+
+ outputname=
+ if test "$fast_install" = no && test -n "$relink_command"; then
+ if test "$finalize" = yes && test -z "$run"; then
+ tmpdir=`func_mktempdir`
+ file=`$echo "X$file$stripped_ext" | $Xsed -e 's%^.*/%%'`
+ outputname="$tmpdir/$file"
+ # Replace the output file specification.
+ relink_command=`$echo "X$relink_command" | $SP2NL | $Xsed -e 's%@OUTPUT@%'"$outputname"'%g' | $NL2SP`
+
+ $show "$relink_command"
+ if $run eval "$relink_command"; then :
+ else
+ $echo "$modename: error: relink \`$file' with the above command before installing it" 1>&2
+ ${rm}r "$tmpdir"
+ continue
+ fi
+ file="$outputname"
+ else
+ $echo "$modename: warning: cannot relink \`$file'" 1>&2
+ fi
+ else
+ # Install the binary that we compiled earlier.
+ file=`$echo "X$file$stripped_ext" | $Xsed -e "s%\([^/]*\)$%$objdir/\1%"`
+ fi
+ fi
+
+ # remove .exe since cygwin /usr/bin/install will append another
+ # one anyway
+ case $install_prog,$host in
+ */usr/bin/install*,*cygwin*)
+ case $file:$destfile in
+ *.exe:*.exe)
+ # this is ok
+ ;;
+ *.exe:*)
+ destfile=$destfile.exe
+ ;;
+ *:*.exe)
+ destfile=`$echo $destfile | ${SED} -e 's,.exe$,,'`
+ ;;
+ esac
+ ;;
+ esac
+ $show "$install_prog$stripme $file $destfile"
+ $run eval "$install_prog\$stripme \$file \$destfile" || exit $?
+ test -n "$outputname" && ${rm}r "$tmpdir"
+ ;;
+ esac
+ done
+
+ for file in $staticlibs; do
+ name=`$echo "X$file" | $Xsed -e 's%^.*/%%'`
+
+ # Set up the ranlib parameters.
+ oldlib="$destdir/$name"
+
+ $show "$install_prog $file $oldlib"
+ $run eval "$install_prog \$file \$oldlib" || exit $?
+
+ if test -n "$stripme" && test -n "$old_striplib"; then
+ $show "$old_striplib $oldlib"
+ $run eval "$old_striplib $oldlib" || exit $?
+ fi
+
+ # Do each command in the postinstall commands.
+ cmds=$old_postinstall_cmds
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ $show "$cmd"
+ $run eval "$cmd" || exit $?
+ done
+ IFS="$save_ifs"
+ done
+
+ if test -n "$future_libdirs"; then
+ $echo "$modename: warning: remember to run \`$progname --finish$future_libdirs'" 1>&2
+ fi
+
+ if test -n "$current_libdirs"; then
+ # Maybe just do a dry run.
+ test -n "$run" && current_libdirs=" -n$current_libdirs"
+ exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs'
+ else
+ exit $EXIT_SUCCESS
+ fi
+ ;;
+
+ # libtool finish mode
+ finish)
+ modename="$modename: finish"
+ libdirs="$nonopt"
+ admincmds=
+
+ if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+ for dir
+ do
+ libdirs="$libdirs $dir"
+ done
+
+ for libdir in $libdirs; do
+ if test -n "$finish_cmds"; then
+ # Do each command in the finish commands.
+ cmds=$finish_cmds
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ $show "$cmd"
+ $run eval "$cmd" || admincmds="$admincmds
+ $cmd"
+ done
+ IFS="$save_ifs"
+ fi
+ if test -n "$finish_eval"; then
+ # Do the single finish_eval.
+ eval cmds=\"$finish_eval\"
+ $run eval "$cmds" || admincmds="$admincmds
+ $cmds"
+ fi
+ done
+ fi
+
+ # Exit here if they wanted silent mode.
+ test "$show" = : && exit $EXIT_SUCCESS
+
+ $echo "X----------------------------------------------------------------------" | $Xsed
+ $echo "Libraries have been installed in:"
+ for libdir in $libdirs; do
+ $echo " $libdir"
+ done
+ $echo
+ $echo "If you ever happen to want to link against installed libraries"
+ $echo "in a given directory, LIBDIR, you must either use libtool, and"
+ $echo "specify the full pathname of the library, or use the \`-LLIBDIR'"
+ $echo "flag during linking and do at least one of the following:"
+ if test -n "$shlibpath_var"; then
+ $echo " - add LIBDIR to the \`$shlibpath_var' environment variable"
+ $echo " during execution"
+ fi
+ if test -n "$runpath_var"; then
+ $echo " - add LIBDIR to the \`$runpath_var' environment variable"
+ $echo " during linking"
+ fi
+ if test -n "$hardcode_libdir_flag_spec"; then
+ libdir=LIBDIR
+ eval flag=\"$hardcode_libdir_flag_spec\"
+
+ $echo " - use the \`$flag' linker flag"
+ fi
+ if test -n "$admincmds"; then
+ $echo " - have your system administrator run these commands:$admincmds"
+ fi
+ if test -f /etc/ld.so.conf; then
+ $echo " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'"
+ fi
+ $echo
+ $echo "See any operating system documentation about shared libraries for"
+ $echo "more information, such as the ld(1) and ld.so(8) manual pages."
+ $echo "X----------------------------------------------------------------------" | $Xsed
+ exit $EXIT_SUCCESS
+ ;;
+
+ # libtool execute mode
+ execute)
+ modename="$modename: execute"
+
+ # The first argument is the command name.
+ cmd="$nonopt"
+ if test -z "$cmd"; then
+ $echo "$modename: you must specify a COMMAND" 1>&2
+ $echo "$help"
+ exit $EXIT_FAILURE
+ fi
+
+ # Handle -dlopen flags immediately.
+ for file in $execute_dlfiles; do
+ if test ! -f "$file"; then
+ $echo "$modename: \`$file' is not a file" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ dir=
+ case $file in
+ *.la)
+ # Check to see that this really is a libtool archive.
+ if (${SED} -e '2q' $file | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then :
+ else
+ $echo "$modename: \`$lib' is not a valid libtool archive" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ # Read the libtool library.
+ dlname=
+ library_names=
+
+ # If there is no directory component, then add one.
+ case $file in
+ */* | *\\*) . $file ;;
+ *) . ./$file ;;
+ esac
+
+ # Skip this library if it cannot be dlopened.
+ if test -z "$dlname"; then
+ # Warn if it was a shared library.
+ test -n "$library_names" && $echo "$modename: warning: \`$file' was not linked with \`-export-dynamic'"
+ continue
+ fi
+
+ dir=`$echo "X$file" | $Xsed -e 's%/[^/]*$%%'`
+ test "X$dir" = "X$file" && dir=.
+
+ if test -f "$dir/$objdir/$dlname"; then
+ dir="$dir/$objdir"
+ else
+ if test ! -f "$dir/$dlname"; then
+ $echo "$modename: cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" 1>&2
+ exit $EXIT_FAILURE
+ fi
+ fi
+ ;;
+
+ *.lo)
+ # Just add the directory containing the .lo file.
+ dir=`$echo "X$file" | $Xsed -e 's%/[^/]*$%%'`
+ test "X$dir" = "X$file" && dir=.
+ ;;
+
+ *)
+ $echo "$modename: warning \`-dlopen' is ignored for non-libtool libraries and objects" 1>&2
+ continue
+ ;;
+ esac
+
+ # Get the absolute pathname.
+ absdir=`cd "$dir" && pwd`
+ test -n "$absdir" && dir="$absdir"
+
+ # Now add the directory to shlibpath_var.
+ if eval "test -z \"\$$shlibpath_var\""; then
+ eval "$shlibpath_var=\"\$dir\""
+ else
+ eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\""
+ fi
+ done
+
+ # This variable tells wrapper scripts just to set shlibpath_var
+ # rather than running their programs.
+ libtool_execute_magic="$magic"
+
+ # Check if any of the arguments is a wrapper script.
+ args=
+ for file
+ do
+ case $file in
+ -*) ;;
+ *)
+ # Do a test to see if this is really a libtool program.
+ if (${SED} -e '4q' $file | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+ # If there is no directory component, then add one.
+ case $file in
+ */* | *\\*) . $file ;;
+ *) . ./$file ;;
+ esac
+
+ # Transform arg to wrapped name.
+ file="$progdir/$program"
+ fi
+ ;;
+ esac
+ # Quote arguments (to preserve shell metacharacters).
+ file=`$echo "X$file" | $Xsed -e "$sed_quote_subst"`
+ args="$args \"$file\""
+ done
+
+ if test -z "$run"; then
+ if test -n "$shlibpath_var"; then
+ # Export the shlibpath_var.
+ eval "export $shlibpath_var"
+ fi
+
+ # Restore saved environment variables
+ for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+ do
+ eval "if test \"\${save_$lt_var+set}\" = set; then
+ $lt_var=\$save_$lt_var; export $lt_var
+ fi"
+ done
+
+ # Now prepare to actually exec the command.
+ exec_cmd="\$cmd$args"
+ else
+ # Display what would be done.
+ if test -n "$shlibpath_var"; then
+ eval "\$echo \"\$shlibpath_var=\$$shlibpath_var\""
+ $echo "export $shlibpath_var"
+ fi
+ $echo "$cmd$args"
+ exit $EXIT_SUCCESS
+ fi
+ ;;
+
+ # libtool clean and uninstall mode
+ clean | uninstall)
+ modename="$modename: $mode"
+ rm="$nonopt"
+ files=
+ rmforce=
+ exit_status=0
+
+ # This variable tells wrapper scripts just to set variables rather
+ # than running their programs.
+ libtool_install_magic="$magic"
+
+ for arg
+ do
+ case $arg in
+ -f) rm="$rm $arg"; rmforce=yes ;;
+ -*) rm="$rm $arg" ;;
+ *) files="$files $arg" ;;
+ esac
+ done
+
+ if test -z "$rm"; then
+ $echo "$modename: you must specify an RM program" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ rmdirs=
+
+ origobjdir="$objdir"
+ for file in $files; do
+ dir=`$echo "X$file" | $Xsed -e 's%/[^/]*$%%'`
+ if test "X$dir" = "X$file"; then
+ dir=.
+ objdir="$origobjdir"
+ else
+ objdir="$dir/$origobjdir"
+ fi
+ name=`$echo "X$file" | $Xsed -e 's%^.*/%%'`
+ test "$mode" = uninstall && objdir="$dir"
+
+ # Remember objdir for removal later, being careful to avoid duplicates
+ if test "$mode" = clean; then
+ case " $rmdirs " in
+ *" $objdir "*) ;;
+ *) rmdirs="$rmdirs $objdir" ;;
+ esac
+ fi
+
+ # Don't error if the file doesn't exist and rm -f was used.
+ if (test -L "$file") >/dev/null 2>&1 \
+ || (test -h "$file") >/dev/null 2>&1 \
+ || test -f "$file"; then
+ :
+ elif test -d "$file"; then
+ exit_status=1
+ continue
+ elif test "$rmforce" = yes; then
+ continue
+ fi
+
+ rmfiles="$file"
+
+ case $name in
+ *.la)
+ # Possibly a libtool archive, so verify it.
+ if (${SED} -e '2q' $file | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+ . $dir/$name
+
+ # Delete the libtool libraries and symlinks.
+ for n in $library_names; do
+ rmfiles="$rmfiles $objdir/$n"
+ done
+ test -n "$old_library" && rmfiles="$rmfiles $objdir/$old_library"
+
+ case "$mode" in
+ clean)
+ case " $library_names " in
+ # " " in the beginning catches empty $dlname
+ *" $dlname "*) ;;
+ *) rmfiles="$rmfiles $objdir/$dlname" ;;
+ esac
+ test -n "$libdir" && rmfiles="$rmfiles $objdir/$name $objdir/${name}i"
+ ;;
+ uninstall)
+ if test -n "$library_names"; then
+ # Do each command in the postuninstall commands.
+ cmds=$postuninstall_cmds
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ $show "$cmd"
+ $run eval "$cmd"
+ if test "$?" -ne 0 && test "$rmforce" != yes; then
+ exit_status=1
+ fi
+ done
+ IFS="$save_ifs"
+ fi
+
+ if test -n "$old_library"; then
+ # Do each command in the old_postuninstall commands.
+ cmds=$old_postuninstall_cmds
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ $show "$cmd"
+ $run eval "$cmd"
+ if test "$?" -ne 0 && test "$rmforce" != yes; then
+ exit_status=1
+ fi
+ done
+ IFS="$save_ifs"
+ fi
+ # FIXME: should reinstall the best remaining shared library.
+ ;;
+ esac
+ fi
+ ;;
+
+ *.lo)
+ # Possibly a libtool object, so verify it.
+ if (${SED} -e '2q' $file | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+
+ # Read the .lo file
+ . $dir/$name
+
+ # Add PIC object to the list of files to remove.
+ if test -n "$pic_object" \
+ && test "$pic_object" != none; then
+ rmfiles="$rmfiles $dir/$pic_object"
+ fi
+
+ # Add non-PIC object to the list of files to remove.
+ if test -n "$non_pic_object" \
+ && test "$non_pic_object" != none; then
+ rmfiles="$rmfiles $dir/$non_pic_object"
+ fi
+ fi
+ ;;
+
+ *)
+ if test "$mode" = clean ; then
+ noexename=$name
+ case $file in
+ *.exe)
+ file=`$echo $file|${SED} 's,.exe$,,'`
+ noexename=`$echo $name|${SED} 's,.exe$,,'`
+ # $file with .exe has already been added to rmfiles,
+ # add $file without .exe
+ rmfiles="$rmfiles $file"
+ ;;
+ esac
+ # Do a test to see if this is a libtool program.
+ if (${SED} -e '4q' $file | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+ relink_command=
+ . $dir/$noexename
+
+ # note $name still contains .exe if it was in $file originally
+ # as does the version of $file that was added into $rmfiles
+ rmfiles="$rmfiles $objdir/$name $objdir/${name}S.${objext}"
+ if test "$fast_install" = yes && test -n "$relink_command"; then
+ rmfiles="$rmfiles $objdir/lt-$name"
+ fi
+ if test "X$noexename" != "X$name" ; then
+ rmfiles="$rmfiles $objdir/lt-${noexename}.c"
+ fi
+ fi
+ fi
+ ;;
+ esac
+ $show "$rm $rmfiles"
+ $run $rm $rmfiles || exit_status=1
+ done
+ objdir="$origobjdir"
+
+ # Try to remove the ${objdir}s in the directories where we deleted files
+ for dir in $rmdirs; do
+ if test -d "$dir"; then
+ $show "rmdir $dir"
+ $run rmdir $dir >/dev/null 2>&1
+ fi
+ done
+
+ exit $exit_status
+ ;;
+
+ "")
+ $echo "$modename: you must specify a MODE" 1>&2
+ $echo "$generic_help" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+ esac
+
+ if test -z "$exec_cmd"; then
+ $echo "$modename: invalid operation mode \`$mode'" 1>&2
+ $echo "$generic_help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+fi # test -z "$show_help"
+
+if test -n "$exec_cmd"; then
+ eval exec $exec_cmd
+ exit $EXIT_FAILURE
+fi
+
+# We need to display help for each of the modes.
+case $mode in
+"") $echo \
+"Usage: $modename [OPTION]... [MODE-ARG]...
+
+Provide generalized library-building support services.
+
+ --config show all configuration variables
+ --debug enable verbose shell tracing
+-n, --dry-run display commands without modifying any files
+ --features display basic configuration information and exit
+ --finish same as \`--mode=finish'
+ --help display this help message and exit
+ --mode=MODE use operation mode MODE [default=inferred from MODE-ARGS]
+ --quiet same as \`--silent'
+ --silent don't print informational messages
+ --tag=TAG use configuration variables from tag TAG
+ --version print version information
+
+MODE must be one of the following:
+
+ clean remove files from the build directory
+ compile compile a source file into a libtool object
+ execute automatically set library path, then run a program
+ finish complete the installation of libtool libraries
+ install install libraries or executables
+ link create a library or an executable
+ uninstall remove libraries from an installed directory
+
+MODE-ARGS vary depending on the MODE. Try \`$modename --help --mode=MODE' for
+a more detailed description of MODE.
+
+Report bugs to <bug-libtool@gnu.org>."
+ exit $EXIT_SUCCESS
+ ;;
+
+clean)
+ $echo \
+"Usage: $modename [OPTION]... --mode=clean RM [RM-OPTION]... FILE...
+
+Remove files from the build directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, object or program, all the files associated
+with it are deleted. Otherwise, only FILE itself is deleted using RM."
+ ;;
+
+compile)
+ $echo \
+"Usage: $modename [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE
+
+Compile a source file into a libtool library object.
+
+This mode accepts the following additional options:
+
+ -o OUTPUT-FILE set the output file name to OUTPUT-FILE
+ -prefer-pic try to building PIC objects only
+ -prefer-non-pic try to building non-PIC objects only
+ -static always build a \`.o' file suitable for static linking
+
+COMPILE-COMMAND is a command to be used in creating a \`standard' object file
+from the given SOURCEFILE.
+
+The output file name is determined by removing the directory component from
+SOURCEFILE, then substituting the C source code suffix \`.c' with the
+library object suffix, \`.lo'."
+ ;;
+
+execute)
+ $echo \
+"Usage: $modename [OPTION]... --mode=execute COMMAND [ARGS]...
+
+Automatically set library path, then run a program.
+
+This mode accepts the following additional options:
+
+ -dlopen FILE add the directory containing FILE to the library path
+
+This mode sets the library path environment variable according to \`-dlopen'
+flags.
+
+If any of the ARGS are libtool executable wrappers, then they are translated
+into their corresponding uninstalled binary, and any of their required library
+directories are added to the library path.
+
+Then, COMMAND is executed, with ARGS as arguments."
+ ;;
+
+finish)
+ $echo \
+"Usage: $modename [OPTION]... --mode=finish [LIBDIR]...
+
+Complete the installation of libtool libraries.
+
+Each LIBDIR is a directory that contains libtool libraries.
+
+The commands that this mode executes may require superuser privileges. Use
+the \`--dry-run' option if you just want to see what would be executed."
+ ;;
+
+install)
+ $echo \
+"Usage: $modename [OPTION]... --mode=install INSTALL-COMMAND...
+
+Install executables or libraries.
+
+INSTALL-COMMAND is the installation command. The first component should be
+either the \`install' or \`cp' program.
+
+The rest of the components are interpreted as arguments to that command (only
+BSD-compatible install options are recognized)."
+ ;;
+
+link)
+ $echo \
+"Usage: $modename [OPTION]... --mode=link LINK-COMMAND...
+
+Link object files or libraries together to form another library, or to
+create an executable program.
+
+LINK-COMMAND is a command using the C compiler that you would use to create
+a program from several object files.
+
+The following components of LINK-COMMAND are treated specially:
+
+ -all-static do not do any dynamic linking at all
+ -avoid-version do not add a version suffix if possible
+ -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime
+ -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols
+ -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3)
+ -export-symbols SYMFILE
+ try to export only the symbols listed in SYMFILE
+ -export-symbols-regex REGEX
+ try to export only the symbols matching REGEX
+ -LLIBDIR search LIBDIR for required installed libraries
+ -lNAME OUTPUT-FILE requires the installed library libNAME
+ -module build a library that can dlopened
+ -no-fast-install disable the fast-install mode
+ -no-install link a not-installable executable
+ -no-undefined declare that a library does not refer to external symbols
+ -o OUTPUT-FILE create OUTPUT-FILE from the specified objects
+ -objectlist FILE Use a list of object files found in FILE to specify objects
+ -precious-files-regex REGEX
+ don't remove output files matching REGEX
+ -release RELEASE specify package release information
+ -rpath LIBDIR the created library will eventually be installed in LIBDIR
+ -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries
+ -static do not do any dynamic linking of uninstalled libtool libraries
+ -static-libtool-libs
+ do not do any dynamic linking of libtool libraries
+ -version-info CURRENT[:REVISION[:AGE]]
+ specify library version info [each variable defaults to 0]
+
+All other options (arguments beginning with \`-') are ignored.
+
+Every other argument is treated as a filename. Files ending in \`.la' are
+treated as uninstalled libtool libraries, other files are standard or library
+object files.
+
+If the OUTPUT-FILE ends in \`.la', then a libtool library is created,
+only library objects (\`.lo' files) may be specified, and \`-rpath' is
+required, except when creating a convenience library.
+
+If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created
+using \`ar' and \`ranlib', or on Windows using \`lib'.
+
+If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file
+is created, otherwise an executable program is created."
+ ;;
+
+uninstall)
+ $echo \
+"Usage: $modename [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE...
+
+Remove libraries from an installation directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, all the files associated with it are deleted.
+Otherwise, only FILE itself is deleted using RM."
+ ;;
+
+*)
+ $echo "$modename: invalid operation mode \`$mode'" 1>&2
+ $echo "$help" 1>&2
+ exit $EXIT_FAILURE
+ ;;
+esac
+
+$echo
+$echo "Try \`$modename --help' for more information about other modes."
+
+exit $?
+
+# The TAGs below are defined such that we never get into a situation
+# in which we disable both kinds of libraries. Given conflicting
+# choices, we go for a static library, that is the most portable,
+# since we can't tell whether shared libraries were disabled because
+# the user asked for that or because the platform doesn't support
+# them. This is particularly important on AIX, because we don't
+# support having both static and shared libraries enabled at the same
+# time on that platform, so we default to a shared-only configuration.
+# If a disable-shared tag is given, we'll fallback to a static-only
+# configuration. But we'll never go from static-only to shared-only.
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-shared
+disable_libs=shared
+# ### END LIBTOOL TAG CONFIG: disable-shared
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-static
+disable_libs=static
+# ### END LIBTOOL TAG CONFIG: disable-static
+
+# Local Variables:
+# mode:shell-script
+# sh-indentation:2
+# End:
--- /dev/null
+#! /bin/sh
+# Common stub for a few missing GNU programs while installing.
+
+scriptversion=2005-06-08.21
+
+# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005
+# Free Software Foundation, Inc.
+# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+if test $# -eq 0; then
+ echo 1>&2 "Try \`$0 --help' for more information"
+ exit 1
+fi
+
+run=:
+
+# In the cases where this matters, `missing' is being run in the
+# srcdir already.
+if test -f configure.ac; then
+ configure_ac=configure.ac
+else
+ configure_ac=configure.in
+fi
+
+msg="missing on your system"
+
+case "$1" in
+--run)
+ # Try to run requested program, and just exit if it succeeds.
+ run=
+ shift
+ "$@" && exit 0
+ # Exit code 63 means version mismatch. This often happens
+ # when the user try to use an ancient version of a tool on
+ # a file that requires a minimum version. In this case we
+ # we should proceed has if the program had been absent, or
+ # if --run hadn't been passed.
+ if test $? = 63; then
+ run=:
+ msg="probably too old"
+ fi
+ ;;
+
+ -h|--h|--he|--hel|--help)
+ echo "\
+$0 [OPTION]... PROGRAM [ARGUMENT]...
+
+Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
+error status if there is no known handling for PROGRAM.
+
+Options:
+ -h, --help display this help and exit
+ -v, --version output version information and exit
+ --run try to run the given command, and emulate it if it fails
+
+Supported PROGRAM values:
+ aclocal touch file \`aclocal.m4'
+ autoconf touch file \`configure'
+ autoheader touch file \`config.h.in'
+ automake touch all \`Makefile.in' files
+ bison create \`y.tab.[ch]', if possible, from existing .[ch]
+ flex create \`lex.yy.c', if possible, from existing .c
+ help2man touch the output file
+ lex create \`lex.yy.c', if possible, from existing .c
+ makeinfo touch the output file
+ tar try tar, gnutar, gtar, then tar without non-portable flags
+ yacc create \`y.tab.[ch]', if possible, from existing .[ch]
+
+Send bug reports to <bug-automake@gnu.org>."
+ exit $?
+ ;;
+
+ -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
+ echo "missing $scriptversion (GNU Automake)"
+ exit $?
+ ;;
+
+ -*)
+ echo 1>&2 "$0: Unknown \`$1' option"
+ echo 1>&2 "Try \`$0 --help' for more information"
+ exit 1
+ ;;
+
+esac
+
+# Now exit if we have it, but it failed. Also exit now if we
+# don't have it and --version was passed (most likely to detect
+# the program).
+case "$1" in
+ lex|yacc)
+ # Not GNU programs, they don't have --version.
+ ;;
+
+ tar)
+ if test -n "$run"; then
+ echo 1>&2 "ERROR: \`tar' requires --run"
+ exit 1
+ elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
+ exit 1
+ fi
+ ;;
+
+ *)
+ if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
+ # We have it, but it failed.
+ exit 1
+ elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
+ # Could not run --version or --help. This is probably someone
+ # running `$TOOL --version' or `$TOOL --help' to check whether
+ # $TOOL exists and not knowing $TOOL uses missing.
+ exit 1
+ fi
+ ;;
+esac
+
+# If it does not exist, or fails to run (possibly an outdated version),
+# try to emulate it.
+case "$1" in
+ aclocal*)
+ echo 1>&2 "\
+WARNING: \`$1' is $msg. You should only need it if
+ you modified \`acinclude.m4' or \`${configure_ac}'. You might want
+ to install the \`Automake' and \`Perl' packages. Grab them from
+ any GNU archive site."
+ touch aclocal.m4
+ ;;
+
+ autoconf)
+ echo 1>&2 "\
+WARNING: \`$1' is $msg. You should only need it if
+ you modified \`${configure_ac}'. You might want to install the
+ \`Autoconf' and \`GNU m4' packages. Grab them from any GNU
+ archive site."
+ touch configure
+ ;;
+
+ autoheader)
+ echo 1>&2 "\
+WARNING: \`$1' is $msg. You should only need it if
+ you modified \`acconfig.h' or \`${configure_ac}'. You might want
+ to install the \`Autoconf' and \`GNU m4' packages. Grab them
+ from any GNU archive site."
+ files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
+ test -z "$files" && files="config.h"
+ touch_files=
+ for f in $files; do
+ case "$f" in
+ *:*) touch_files="$touch_files "`echo "$f" |
+ sed -e 's/^[^:]*://' -e 's/:.*//'`;;
+ *) touch_files="$touch_files $f.in";;
+ esac
+ done
+ touch $touch_files
+ ;;
+
+ automake*)
+ echo 1>&2 "\
+WARNING: \`$1' is $msg. You should only need it if
+ you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
+ You might want to install the \`Automake' and \`Perl' packages.
+ Grab them from any GNU archive site."
+ find . -type f -name Makefile.am -print |
+ sed 's/\.am$/.in/' |
+ while read f; do touch "$f"; done
+ ;;
+
+ autom4te)
+ echo 1>&2 "\
+WARNING: \`$1' is needed, but is $msg.
+ You might have modified some files without having the
+ proper tools for further handling them.
+ You can get \`$1' as part of \`Autoconf' from any GNU
+ archive site."
+
+ file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'`
+ test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`
+ if test -f "$file"; then
+ touch $file
+ else
+ test -z "$file" || exec >$file
+ echo "#! /bin/sh"
+ echo "# Created by GNU Automake missing as a replacement of"
+ echo "# $ $@"
+ echo "exit 0"
+ chmod +x $file
+ exit 1
+ fi
+ ;;
+
+ bison|yacc)
+ echo 1>&2 "\
+WARNING: \`$1' $msg. You should only need it if
+ you modified a \`.y' file. You may need the \`Bison' package
+ in order for those modifications to take effect. You can get
+ \`Bison' from any GNU archive site."
+ rm -f y.tab.c y.tab.h
+ if [ $# -ne 1 ]; then
+ eval LASTARG="\${$#}"
+ case "$LASTARG" in
+ *.y)
+ SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
+ if [ -f "$SRCFILE" ]; then
+ cp "$SRCFILE" y.tab.c
+ fi
+ SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
+ if [ -f "$SRCFILE" ]; then
+ cp "$SRCFILE" y.tab.h
+ fi
+ ;;
+ esac
+ fi
+ if [ ! -f y.tab.h ]; then
+ echo >y.tab.h
+ fi
+ if [ ! -f y.tab.c ]; then
+ echo 'main() { return 0; }' >y.tab.c
+ fi
+ ;;
+
+ lex|flex)
+ echo 1>&2 "\
+WARNING: \`$1' is $msg. You should only need it if
+ you modified a \`.l' file. You may need the \`Flex' package
+ in order for those modifications to take effect. You can get
+ \`Flex' from any GNU archive site."
+ rm -f lex.yy.c
+ if [ $# -ne 1 ]; then
+ eval LASTARG="\${$#}"
+ case "$LASTARG" in
+ *.l)
+ SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
+ if [ -f "$SRCFILE" ]; then
+ cp "$SRCFILE" lex.yy.c
+ fi
+ ;;
+ esac
+ fi
+ if [ ! -f lex.yy.c ]; then
+ echo 'main() { return 0; }' >lex.yy.c
+ fi
+ ;;
+
+ help2man)
+ echo 1>&2 "\
+WARNING: \`$1' is $msg. You should only need it if
+ you modified a dependency of a manual page. You may need the
+ \`Help2man' package in order for those modifications to take
+ effect. You can get \`Help2man' from any GNU archive site."
+
+ file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
+ if test -z "$file"; then
+ file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
+ fi
+ if [ -f "$file" ]; then
+ touch $file
+ else
+ test -z "$file" || exec >$file
+ echo ".ab help2man is required to generate this page"
+ exit 1
+ fi
+ ;;
+
+ makeinfo)
+ echo 1>&2 "\
+WARNING: \`$1' is $msg. You should only need it if
+ you modified a \`.texi' or \`.texinfo' file, or any other file
+ indirectly affecting the aspect of the manual. The spurious
+ call might also be the consequence of using a buggy \`make' (AIX,
+ DU, IRIX). You might want to install the \`Texinfo' package or
+ the \`GNU make' package. Grab either from any GNU archive site."
+ # The file to touch is that specified with -o ...
+ file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
+ if test -z "$file"; then
+ # ... or it is the one specified with @setfilename ...
+ infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
+ file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $infile`
+ # ... or it is derived from the source name (dir/f.texi becomes f.info)
+ test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
+ fi
+ # If the file does not exist, the user really needs makeinfo;
+ # let's fail without touching anything.
+ test -f $file || exit 1
+ touch $file
+ ;;
+
+ tar)
+ shift
+
+ # We have already tried tar in the generic part.
+ # Look for gnutar/gtar before invocation to avoid ugly error
+ # messages.
+ if (gnutar --version > /dev/null 2>&1); then
+ gnutar "$@" && exit 0
+ fi
+ if (gtar --version > /dev/null 2>&1); then
+ gtar "$@" && exit 0
+ fi
+ firstarg="$1"
+ if shift; then
+ case "$firstarg" in
+ *o*)
+ firstarg=`echo "$firstarg" | sed s/o//`
+ tar "$firstarg" "$@" && exit 0
+ ;;
+ esac
+ case "$firstarg" in
+ *h*)
+ firstarg=`echo "$firstarg" | sed s/h//`
+ tar "$firstarg" "$@" && exit 0
+ ;;
+ esac
+ fi
+
+ echo 1>&2 "\
+WARNING: I can't seem to be able to run \`tar' with the given arguments.
+ You may want to install GNU tar or Free paxutils, or check the
+ command line arguments."
+ exit 1
+ ;;
+
+ *)
+ echo 1>&2 "\
+WARNING: \`$1' is needed, and is $msg.
+ You might have modified some files without having the
+ proper tools for further handling them. Check the \`README' file,
+ it often tells you about the needed prerequisites for installing
+ this package. You may also peek at any GNU archive site, in case
+ some other package would contain this missing \`$1' program."
+ exit 1
+ ;;
+esac
+
+exit 0
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
--- /dev/null
+/* config.h.in. Generated from configure.in by autoheader. */
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#undef HAVE_ARPA_INET_H
+
+/* Define to 1 if you have the `bzero' function. */
+#undef HAVE_BZERO
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */
+#undef HAVE_DOPRNT
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
+/* Define to 1 if you have the `gethostbyname' function. */
+#undef HAVE_GETHOSTBYNAME
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#undef HAVE_GETTIMEOFDAY
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if your system has a GNU libc compatible `malloc' function, and
+ to 0 otherwise. */
+#undef HAVE_MALLOC
+
+/* Define to 1 if you have the <malloc.h> header file. */
+#undef HAVE_MALLOC_H
+
+/* Define to 1 if you have the `memmove' function. */
+#undef HAVE_MEMMOVE
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the `memset' function. */
+#undef HAVE_MEMSET
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#undef HAVE_NETDB_H
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#undef HAVE_NETINET_IN_H
+
+/* Define to 1 if your system has a GNU libc compatible `realloc' function,
+ and to 0 otherwise. */
+#undef HAVE_REALLOC
+
+/* Define to 1 if you have the `select' function. */
+#undef HAVE_SELECT
+
+/* Define to 1 if you have the `socket' function. */
+#undef HAVE_SOCKET
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the `strchr' function. */
+#undef HAVE_STRCHR
+
+/* Define to 1 if you have the `strerror' function. */
+#undef HAVE_STRERROR
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the `strtol' function. */
+#undef HAVE_STRTOL
+
+/* Define to 1 if you have the `strtoul' function. */
+#undef HAVE_STRTOUL
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#undef HAVE_SYS_IOCTL_H
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#undef HAVE_SYS_PARAM_H
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#undef HAVE_SYS_SELECT_H
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#undef HAVE_SYS_SOCKET_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
+#undef HAVE_SYS_WAIT_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if you have the `vprintf' function. */
+#undef HAVE_VPRINTF
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Define to 1 if the C compiler supports function prototypes. */
+#undef PROTOTYPES
+
+/* Define to the type of arg 1 for `select'. */
+#undef SELECT_TYPE_ARG1
+
+/* Define to the type of args 2, 3 and 4 for `select'. */
+#undef SELECT_TYPE_ARG234
+
+/* Define to the type of arg 5 for `select'. */
+#undef SELECT_TYPE_ARG5
+
+/* Define to 1 if the `setvbuf' function takes the buffering type as its
+ second argument and the buffer pointer as the third, as on System V before
+ release 3. */
+#undef SETVBUF_REVERSED
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#undef TIME_WITH_SYS_TIME
+
+/* Define to 1 if your <sys/time.h> declares `struct tm'. */
+#undef TM_IN_SYS_TIME
+
+/* Version number of package */
+#undef VERSION
+
+/* Define like PROTOTYPES; this can be used by system headers. */
+#undef __PROTOTYPES
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+ calls it, or to nothing if 'inline' is not supported under any name. */
+#ifndef __cplusplus
+#undef inline
+#endif
+
+/* Define to rpl_malloc if the replacement function should be used. */
+#undef malloc
+
+/* Define to rpl_realloc if the replacement function should be used. */
+#undef realloc
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+#undef size_t
+
+/* Define to empty if the keyword `volatile' does not work. Warning: valid
+ code using `volatile' can become incorrect without. Disable with care. */
+#undef volatile
--- /dev/null
+#! /bin/sh
+# From configure.in Revision: 1.1.1.2 .
+# Guess values for system-dependent variables and create Makefiles.
+# Generated by GNU Autoconf 2.61.
+#
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+# 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# This configure script is free software; the Free Software Foundation
+# gives unlimited permission to copy, distribute and modify it.
+## --------------------- ##
+## M4sh Initialization. ##
+## --------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '${1+"$@"}'='"$@"'
+ setopt NO_GLOB_SUBST
+else
+ case `(set -o) 2>/dev/null` in
+ *posix*) set -o posix ;;
+esac
+
+fi
+
+
+
+
+# PATH needs CR
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+ echo "#! /bin/sh" >conf$$.sh
+ echo "exit 0" >>conf$$.sh
+ chmod +x conf$$.sh
+ if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+ PATH_SEPARATOR=';'
+ else
+ PATH_SEPARATOR=:
+ fi
+ rm -f conf$$.sh
+fi
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+ as_unset=unset
+else
+ as_unset=false
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order. Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+as_nl='
+'
+IFS=" "" $as_nl"
+
+# Find who we are. Look in the path if we contain no directory separator.
+case $0 in
+ *[\\/]* ) as_myself=$0 ;;
+ *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
+IFS=$as_save_IFS
+
+ ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+ as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+ echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+ { (exit 1); exit 1; }
+fi
+
+# Work around bugs in pre-3.0 UWIN ksh.
+for as_var in ENV MAIL MAILPATH
+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+for as_var in \
+ LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
+ LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
+ LC_TELEPHONE LC_TIME
+do
+ if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
+ eval $as_var=C; export $as_var
+ else
+ ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+ fi
+done
+
+# Required to use basename.
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+ test "X`expr 00001 : '.*\(...\)'`" = X001; then
+ as_expr=expr
+else
+ as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+ as_basename=basename
+else
+ as_basename=false
+fi
+
+
+# Name of the executable.
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+ X"$0" : 'X\(//\)$' \| \
+ X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+echo X/"$0" |
+ sed '/^.*\/\([^/][^/]*\)\/*$/{
+ s//\1/
+ q
+ }
+ /^X\/\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\/\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+
+# CDPATH.
+$as_unset CDPATH
+
+
+if test "x$CONFIG_SHELL" = x; then
+ if (eval ":") 2>/dev/null; then
+ as_have_required=yes
+else
+ as_have_required=no
+fi
+
+ if test $as_have_required = yes && (eval ":
+(as_func_return () {
+ (exit \$1)
+}
+as_func_success () {
+ as_func_return 0
+}
+as_func_failure () {
+ as_func_return 1
+}
+as_func_ret_success () {
+ return 0
+}
+as_func_ret_failure () {
+ return 1
+}
+
+exitcode=0
+if as_func_success; then
+ :
+else
+ exitcode=1
+ echo as_func_success failed.
+fi
+
+if as_func_failure; then
+ exitcode=1
+ echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+ :
+else
+ exitcode=1
+ echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+ exitcode=1
+ echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+ :
+else
+ exitcode=1
+ echo positional parameters were not saved.
+fi
+
+test \$exitcode = 0) || { (exit 1); exit 1; }
+
+(
+ as_lineno_1=\$LINENO
+ as_lineno_2=\$LINENO
+ test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&
+ test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }
+") 2> /dev/null; then
+ :
+else
+ as_candidate_shells=
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ case $as_dir in
+ /*)
+ for as_base in sh bash ksh sh5; do
+ as_candidate_shells="$as_candidate_shells $as_dir/$as_base"
+ done;;
+ esac
+done
+IFS=$as_save_IFS
+
+
+ for as_shell in $as_candidate_shells $SHELL; do
+ # Try only shells that exist, to save several forks.
+ if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+ { ("$as_shell") 2> /dev/null <<\_ASEOF
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '${1+"$@"}'='"$@"'
+ setopt NO_GLOB_SUBST
+else
+ case `(set -o) 2>/dev/null` in
+ *posix*) set -o posix ;;
+esac
+
+fi
+
+
+:
+_ASEOF
+}; then
+ CONFIG_SHELL=$as_shell
+ as_have_required=yes
+ if { "$as_shell" 2> /dev/null <<\_ASEOF
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '${1+"$@"}'='"$@"'
+ setopt NO_GLOB_SUBST
+else
+ case `(set -o) 2>/dev/null` in
+ *posix*) set -o posix ;;
+esac
+
+fi
+
+
+:
+(as_func_return () {
+ (exit $1)
+}
+as_func_success () {
+ as_func_return 0
+}
+as_func_failure () {
+ as_func_return 1
+}
+as_func_ret_success () {
+ return 0
+}
+as_func_ret_failure () {
+ return 1
+}
+
+exitcode=0
+if as_func_success; then
+ :
+else
+ exitcode=1
+ echo as_func_success failed.
+fi
+
+if as_func_failure; then
+ exitcode=1
+ echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+ :
+else
+ exitcode=1
+ echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+ exitcode=1
+ echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = "$1" ); then
+ :
+else
+ exitcode=1
+ echo positional parameters were not saved.
+fi
+
+test $exitcode = 0) || { (exit 1); exit 1; }
+
+(
+ as_lineno_1=$LINENO
+ as_lineno_2=$LINENO
+ test "x$as_lineno_1" != "x$as_lineno_2" &&
+ test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2") || { (exit 1); exit 1; }
+
+_ASEOF
+}; then
+ break
+fi
+
+fi
+
+ done
+
+ if test "x$CONFIG_SHELL" != x; then
+ for as_var in BASH_ENV ENV
+ do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+ done
+ export CONFIG_SHELL
+ exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+fi
+
+
+ if test $as_have_required = no; then
+ echo This script requires a shell more modern than all the
+ echo shells that I found on your system. Please install a
+ echo modern shell, or manually run the script under such a
+ echo shell if you do have one.
+ { (exit 1); exit 1; }
+fi
+
+
+fi
+
+fi
+
+
+
+(eval "as_func_return () {
+ (exit \$1)
+}
+as_func_success () {
+ as_func_return 0
+}
+as_func_failure () {
+ as_func_return 1
+}
+as_func_ret_success () {
+ return 0
+}
+as_func_ret_failure () {
+ return 1
+}
+
+exitcode=0
+if as_func_success; then
+ :
+else
+ exitcode=1
+ echo as_func_success failed.
+fi
+
+if as_func_failure; then
+ exitcode=1
+ echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+ :
+else
+ exitcode=1
+ echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+ exitcode=1
+ echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+ :
+else
+ exitcode=1
+ echo positional parameters were not saved.
+fi
+
+test \$exitcode = 0") || {
+ echo No shell found that supports shell functions.
+ echo Please tell autoconf@gnu.org about your system,
+ echo including any error possibly output before this
+ echo message
+}
+
+
+
+ as_lineno_1=$LINENO
+ as_lineno_2=$LINENO
+ test "x$as_lineno_1" != "x$as_lineno_2" &&
+ test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+
+ # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+ # uniformly replaced by the line number. The first 'sed' inserts a
+ # line-number line after each line using $LINENO; the second 'sed'
+ # does the real work. The second script uses 'N' to pair each
+ # line-number line with the line containing $LINENO, and appends
+ # trailing '-' during substitution so that $LINENO is not a special
+ # case at line end.
+ # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+ # scripts with optimization help from Paolo Bonzini. Blame Lee
+ # E. McMahon (1931-1989) for sed's syntax. :-)
+ sed -n '
+ p
+ /[$]LINENO/=
+ ' <$as_myself |
+ sed '
+ s/[$]LINENO.*/&-/
+ t lineno
+ b
+ :lineno
+ N
+ :loop
+ s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+ t loop
+ s/-\n.*//
+ ' >$as_me.lineno &&
+ chmod +x "$as_me.lineno" ||
+ { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+ { (exit 1); exit 1; }; }
+
+ # Don't try to exec as it changes $[0], causing all sort of problems
+ # (the dirname of $[0] is not the place where we might find the
+ # original and so on. Autoconf is especially sensitive to this).
+ . "./$as_me.lineno"
+ # Exit status is that of the last command.
+ exit
+}
+
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+ as_dirname=dirname
+else
+ as_dirname=false
+fi
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in
+-n*)
+ case `echo 'x\c'` in
+ *c*) ECHO_T=' ';; # ECHO_T is single tab character.
+ *) ECHO_C='\c';;
+ esac;;
+*)
+ ECHO_N='-n';;
+esac
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+ test "X`expr 00001 : '.*\(...\)'`" = X001; then
+ as_expr=expr
+else
+ as_expr=false
+fi
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+ rm -f conf$$.dir/conf$$.file
+else
+ rm -f conf$$.dir
+ mkdir conf$$.dir
+fi
+echo >conf$$.file
+if ln -s conf$$.file conf$$ 2>/dev/null; then
+ as_ln_s='ln -s'
+ # ... but there are two gotchas:
+ # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+ # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+ # In both cases, we have to default to `cp -p'.
+ ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+ as_ln_s='cp -p'
+elif ln conf$$.file conf$$ 2>/dev/null; then
+ as_ln_s=ln
+else
+ as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+if mkdir -p . 2>/dev/null; then
+ as_mkdir_p=:
+else
+ test -d ./-p && rmdir ./-p
+ as_mkdir_p=false
+fi
+
+if test -x / >/dev/null 2>&1; then
+ as_test_x='test -x'
+else
+ if ls -dL / >/dev/null 2>&1; then
+ as_ls_L_option=L
+ else
+ as_ls_L_option=
+ fi
+ as_test_x='
+ eval sh -c '\''
+ if test -d "$1"; then
+ test -d "$1/.";
+ else
+ case $1 in
+ -*)set "./$1";;
+ esac;
+ case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
+ ???[sx]*):;;*)false;;esac;fi
+ '\'' sh
+ '
+fi
+as_executable_p=$as_test_x
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+
+
+# Check that we are running under the correct shell.
+SHELL=${CONFIG_SHELL-/bin/sh}
+
+case X$ECHO in
+X*--fallback-echo)
+ # Remove one level of quotation (which was required for Make).
+ ECHO=`echo "$ECHO" | sed 's,\\\\\$\\$0,'$0','`
+ ;;
+esac
+
+echo=${ECHO-echo}
+if test "X$1" = X--no-reexec; then
+ # Discard the --no-reexec flag, and continue.
+ shift
+elif test "X$1" = X--fallback-echo; then
+ # Avoid inline document here, it may be left over
+ :
+elif test "X`($echo '\t') 2>/dev/null`" = 'X\t' ; then
+ # Yippee, $echo works!
+ :
+else
+ # Restart under the correct shell.
+ exec $SHELL "$0" --no-reexec ${1+"$@"}
+fi
+
+if test "X$1" = X--fallback-echo; then
+ # used as fallback echo
+ shift
+ cat <<EOF
+$*
+EOF
+ exit 0
+fi
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+if test -z "$ECHO"; then
+if test "X${echo_test_string+set}" != Xset; then
+# find a string as large as possible, as long as the shell can cope with it
+ for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do
+ # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
+ if (echo_test_string=`eval $cmd`) 2>/dev/null &&
+ echo_test_string=`eval $cmd` &&
+ (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null
+ then
+ break
+ fi
+ done
+fi
+
+if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
+ echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
+ test "X$echo_testing_string" = "X$echo_test_string"; then
+ :
+else
+ # The Solaris, AIX, and Digital Unix default echo programs unquote
+ # backslashes. This makes it impossible to quote backslashes using
+ # echo "$something" | sed 's/\\/\\\\/g'
+ #
+ # So, first we look for a working echo in the user's PATH.
+
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ for dir in $PATH /usr/ucb; do
+ IFS="$lt_save_ifs"
+ if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
+ test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
+ echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
+ test "X$echo_testing_string" = "X$echo_test_string"; then
+ echo="$dir/echo"
+ break
+ fi
+ done
+ IFS="$lt_save_ifs"
+
+ if test "X$echo" = Xecho; then
+ # We didn't find a better echo, so look for alternatives.
+ if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
+ echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` &&
+ test "X$echo_testing_string" = "X$echo_test_string"; then
+ # This shell has a builtin print -r that does the trick.
+ echo='print -r'
+ elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
+ test "X$CONFIG_SHELL" != X/bin/ksh; then
+ # If we have ksh, try running configure again with it.
+ ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
+ export ORIGINAL_CONFIG_SHELL
+ CONFIG_SHELL=/bin/ksh
+ export CONFIG_SHELL
+ exec $CONFIG_SHELL "$0" --no-reexec ${1+"$@"}
+ else
+ # Try using printf.
+ echo='printf %s\n'
+ if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
+ echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
+ test "X$echo_testing_string" = "X$echo_test_string"; then
+ # Cool, printf works
+ :
+ elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "$0" --fallback-echo '\t') 2>/dev/null` &&
+ test "X$echo_testing_string" = 'X\t' &&
+ echo_testing_string=`($ORIGINAL_CONFIG_SHELL "$0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
+ test "X$echo_testing_string" = "X$echo_test_string"; then
+ CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
+ export CONFIG_SHELL
+ SHELL="$CONFIG_SHELL"
+ export SHELL
+ echo="$CONFIG_SHELL $0 --fallback-echo"
+ elif echo_testing_string=`($CONFIG_SHELL "$0" --fallback-echo '\t') 2>/dev/null` &&
+ test "X$echo_testing_string" = 'X\t' &&
+ echo_testing_string=`($CONFIG_SHELL "$0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
+ test "X$echo_testing_string" = "X$echo_test_string"; then
+ echo="$CONFIG_SHELL $0 --fallback-echo"
+ else
+ # maybe with a smaller string...
+ prev=:
+
+ for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do
+ if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null
+ then
+ break
+ fi
+ prev="$cmd"
+ done
+
+ if test "$prev" != 'sed 50q "$0"'; then
+ echo_test_string=`eval $prev`
+ export echo_test_string
+ exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "$0" ${1+"$@"}
+ else
+ # Oops. We lost completely, so just stick with echo.
+ echo=echo
+ fi
+ fi
+ fi
+ fi
+fi
+fi
+
+# Copy echo and quote the copy suitably for passing to libtool from
+# the Makefile, instead of quoting the original, which is used later.
+ECHO=$echo
+if test "X$ECHO" = "X$CONFIG_SHELL $0 --fallback-echo"; then
+ ECHO="$CONFIG_SHELL \\\$\$0 --fallback-echo"
+fi
+
+
+
+
+tagnames=${tagnames+${tagnames},}CXX
+
+tagnames=${tagnames+${tagnames},}F77
+
+exec 7<&0 </dev/null 6>&1
+
+# Name of the host.
+# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+
+#
+# Initializations.
+#
+ac_default_prefix=/usr/local
+ac_clean_files=
+ac_config_libobj_dir=.
+LIBOBJS=
+cross_compiling=no
+subdirs=
+MFLAGS=
+MAKEFLAGS=
+SHELL=${CONFIG_SHELL-/bin/sh}
+
+# Identity of this package.
+PACKAGE_NAME=
+PACKAGE_TARNAME=
+PACKAGE_VERSION=
+PACKAGE_STRING=
+PACKAGE_BUGREPORT=
+
+ac_unique_file="src/apps/sctp_darn.c"
+ac_unique_file="config.h.in"
+# Factoring default headers for most tests.
+ac_includes_default="\
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+# include <memory.h>
+# endif
+# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif"
+
+ac_subst_vars='SHELL
+PATH_SEPARATOR
+PACKAGE_NAME
+PACKAGE_TARNAME
+PACKAGE_VERSION
+PACKAGE_STRING
+PACKAGE_BUGREPORT
+exec_prefix
+prefix
+program_transform_name
+bindir
+sbindir
+libexecdir
+datarootdir
+datadir
+sysconfdir
+sharedstatedir
+localstatedir
+includedir
+oldincludedir
+docdir
+infodir
+htmldir
+dvidir
+pdfdir
+psdir
+libdir
+localedir
+mandir
+DEFS
+ECHO_C
+ECHO_N
+ECHO_T
+LIBS
+build_alias
+host_alias
+target_alias
+INSTALL_PROGRAM
+INSTALL_SCRIPT
+INSTALL_DATA
+CYGPATH_W
+PACKAGE
+VERSION
+ACLOCAL
+AUTOCONF
+AUTOMAKE
+AUTOHEADER
+MAKEINFO
+install_sh
+STRIP
+INSTALL_STRIP_PROGRAM
+mkdir_p
+AWK
+SET_MAKE
+am__leading_dot
+AMTAR
+am__tar
+am__untar
+CC
+CFLAGS
+LDFLAGS
+CPPFLAGS
+ac_ct_CC
+EXEEXT
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+Defaults for the options are specified in brackets.
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+ --help=short display options specific to this package
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+ -V, --version display version information and exit
+ -q, --quiet, --silent do not print \`checking...' messages
+ --cache-file=FILE cache test results in FILE [disabled]
+ -C, --config-cache alias for \`--cache-file=config.cache'
+ -n, --no-create do not create output files
+ --srcdir=DIR find the sources in DIR [configure dir or \`..']
+
+Installation directories:
+ --prefix=PREFIX install architecture-independent files in PREFIX
+ [$ac_default_prefix]
+ --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
+ [PREFIX]
+
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+ --bindir=DIR user executables [EPREFIX/bin]
+ --sbindir=DIR system admin executables [EPREFIX/sbin]
+ --libexecdir=DIR program executables [EPREFIX/libexec]
+ --sysconfdir=DIR read-only single-machine data [PREFIX/etc]
+ --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com]
+ --localstatedir=DIR modifiable single-machine data [PREFIX/var]
+ --libdir=DIR object code libraries [EPREFIX/lib]
+ --includedir=DIR C header files [PREFIX/include]
+ --oldincludedir=DIR C header files for non-gcc [/usr/include]
+ --datarootdir=DIR read-only arch.-independent data root [PREFIX/share]
+ --datadir=DIR read-only architecture-independent data [DATAROOTDIR]
+ --infodir=DIR info documentation [DATAROOTDIR/info]
+ --localedir=DIR locale-dependent data [DATAROOTDIR/locale]
+ --mandir=DIR man documentation [DATAROOTDIR/man]
+ --docdir=DIR documentation root [DATAROOTDIR/doc/PACKAGE]
+ --htmldir=DIR html documentation [DOCDIR]
+ --dvidir=DIR dvi documentation [DOCDIR]
+ --pdfdir=DIR pdf documentation [DOCDIR]
+ --psdir=DIR ps documentation [DOCDIR]
+_ACEOF
+
+ cat <<\_ACEOF
+
+Program names:
+ --program-prefix=PREFIX prepend PREFIX to installed program names
+ --program-suffix=SUFFIX append SUFFIX to installed program names
+ --program-transform-name=PROGRAM run sed PROGRAM on installed program names
+
+System types:
+ --build=BUILD configure for building on BUILD [guessed]
+ --host=HOST cross-compile to build programs to run on HOST [BUILD]
+_ACEOF
+fi
+
+if test -n "$ac_init_help"; then
+
+ cat <<\_ACEOF
+
+Optional Features:
+ --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
+ --enable-FEATURE[=ARG] include FEATURE [ARG=yes]
+ --disable-dependency-tracking speeds up one-time build
+ --enable-dependency-tracking do not reject slow dependency extractors
+ --enable-shared[=PKGS] build shared libraries [default=yes]
+ --enable-static[=PKGS] build static libraries [default=yes]
+ --enable-fast-install[=PKGS]
+ optimize for fast installation [default=yes]
+ --disable-libtool-lock avoid locking (might break parallel builds)
+
+Optional Packages:
+ --with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
+ --without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
+ --with-gnu-ld assume the C compiler uses GNU ld [default=no]
+ --with-pic try to use only PIC/non-PIC objects [default=use
+ both]
+ --with-tags[=TAGS] include additional configurations [automatic]
+
+Some influential environment variables:
+ CC C compiler command
+ CFLAGS C compiler flags
+ LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries in a
+ nonstandard directory <lib dir>
+ LIBS libraries to pass to the linker, e.g. -l<library>
+ CPPFLAGS C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
+ you have headers in a nonstandard directory <include dir>
+ CPP C preprocessor
+ CXX C++ compiler command
+ CXXFLAGS C++ compiler flags
+ CXXCPP C++ preprocessor
+ F77 Fortran 77 compiler command
+ FFLAGS Fortran 77 compiler flags
+
+Use these variables to override the choices made by `configure' or to help
+it to find libraries and programs with nonstandard names/locations.
+
+_ACEOF
+ac_status=$?
+fi
+
+if test "$ac_init_help" = "recursive"; then
+ # If there are subdirs, report their specific --help.
+ for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
+ test -d "$ac_dir" || continue
+ ac_builddir=.
+
+case "$ac_dir" in
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+*)
+ ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
+ # A ".." for each directory in $ac_dir_suffix.
+ ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'`
+ case $ac_top_builddir_sub in
+ "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+ *) ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+ esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+ .) # We are building in place.
+ ac_srcdir=.
+ ac_top_srcdir=$ac_top_builddir_sub
+ ac_abs_top_srcdir=$ac_pwd ;;
+ [\\/]* | ?:[\\/]* ) # Absolute name.
+ ac_srcdir=$srcdir$ac_dir_suffix;
+ ac_top_srcdir=$srcdir
+ ac_abs_top_srcdir=$srcdir ;;
+ *) # Relative name.
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+ ac_top_srcdir=$ac_top_build_prefix$srcdir
+ ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+ cd "$ac_dir" || { ac_status=$?; continue; }
+ # Check for guested configure.
+ if test -f "$ac_srcdir/configure.gnu"; then
+ echo &&
+ $SHELL "$ac_srcdir/configure.gnu" --help=recursive
+ elif test -f "$ac_srcdir/configure"; then
+ echo &&
+ $SHELL "$ac_srcdir/configure" --help=recursive
+ else
+ echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+ fi || ac_status=$?
+ cd "$ac_pwd" || { ac_status=$?; break; }
+ done
+fi
+
+test -n "$ac_init_help" && exit $ac_status
+if $ac_init_version; then
+ cat <<\_ACEOF
+configure
+generated by GNU Autoconf 2.61
+
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+This configure script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it.
+_ACEOF
+ exit
+fi
+cat >config.log <<_ACEOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by $as_me, which was
+generated by GNU Autoconf 2.61. Invocation command line was
+
+ $ $0 $@
+
+_ACEOF
+exec 5>>config.log
+{
+cat <<_ASUNAME
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
+/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown`
+
+/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown`
+/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
+/usr/bin/hostinfo = `(/usr/bin/hostinfo) 2>/dev/null || echo unknown`
+/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown`
+/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown`
+/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown`
+
+_ASUNAME
+
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ echo "PATH: $as_dir"
+done
+IFS=$as_save_IFS
+
+} >&5
+
+cat >&5 <<_ACEOF
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+_ACEOF
+
+
+# Keep a trace of the command line.
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Strip out --silent because we don't want to record it for future runs.
+# Also quote any args containing shell meta-characters.
+# Make two passes to allow for proper duplicate-argument suppression.
+ac_configure_args=
+ac_configure_args0=
+ac_configure_args1=
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+ for ac_arg
+ do
+ case $ac_arg in
+ -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
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+ continue ;;
+ *\'*)
+ ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+ esac
+ case $ac_pass in
+ 1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
+ 2)
+ ac_configure_args1="$ac_configure_args1 '$ac_arg'"
+ if test $ac_must_keep_next = true; then
+ ac_must_keep_next=false # Got value, back to normal.
+ else
+ case $ac_arg in
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+ | -with-* | --with-* | -without-* | --without-* | --x)
+ case "$ac_configure_args0 " in
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+ esac
+ ;;
+ -* ) ac_must_keep_next=true ;;
+ esac
+ fi
+ ac_configure_args="$ac_configure_args '$ac_arg'"
+ ;;
+ esac
+ done
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+$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
+$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
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+# When interrupted or exit'd, cleanup temporary files, and complete
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+ {
+ echo
+
+ cat <<\_ASBOX
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+## Cache variables. ##
+## ---------------- ##
+_ASBOX
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+ case $ac_var in #(
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+ case $ac_var in #(
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+ echo
+
+ cat <<\_ASBOX
+## ----------------- ##
+## Output variables. ##
+## ----------------- ##
+_ASBOX
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+ for ac_var in $ac_subst_vars
+ do
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+ echo
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+ echo "$ac_var='\''$ac_val'\''"
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+ echo
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+
+ if test -s confdefs.h; then
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+## ----------- ##
+## confdefs.h. ##
+## ----------- ##
+_ASBOX
+ echo
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+ echo
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+ test "$ac_signal" != 0 &&
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+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
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+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_VERSION "$PACKAGE_VERSION"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_STRING "$PACKAGE_STRING"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
+_ACEOF
+
+
+# Let the site file select an alternate cache file if it wants to.
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+echo "$as_me: loading cache $cache_file" >&6;}
+ case $cache_file in
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+ { echo "$as_me:$LINENO: creating cache $cache_file" >&5
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+ { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
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+
+
+
+
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+
+
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+ { (exit 1); exit 1; }; }
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+# These three variables are undocumented and unsupported,
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+# They can cause serious problems if a builder's source tree is in a directory
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+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
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+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
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+IFS=$as_save_IFS
+
+
+fi
+ if test "${ac_cv_path_install+set}" = set; then
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+ # As a last resort, use the slow shell script. Don't cache a
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+{ echo "$as_me:$LINENO: result: $INSTALL" >&5
+echo "${ECHO_T}$INSTALL" >&6; }
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+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+{ echo "$as_me:$LINENO: checking whether build environment is sane" >&5
+echo $ECHO_N "checking whether build environment is sane... $ECHO_C" >&6; }
+# Just in case
+sleep 1
+echo timestamp > conftest.file
+# Do `set' in a subshell so we don't clobber the current shell's
+# arguments. Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+ set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
+ if test "$*" = "X"; then
+ # -L didn't work.
+ set X `ls -t $srcdir/configure conftest.file`
+ fi
+ rm -f conftest.file
+ if test "$*" != "X $srcdir/configure conftest.file" \
+ && test "$*" != "X conftest.file $srcdir/configure"; then
+
+ # If neither matched, then we have a broken ls. This can happen
+ # if, for instance, CONFIG_SHELL is bash and it inherits a
+ # broken ls alias from the environment. This has actually
+ # happened. Such a system could not be considered "sane".
+ { { echo "$as_me:$LINENO: error: ls -t appears to fail. Make sure there is not a broken
+alias in your environment" >&5
+echo "$as_me: error: ls -t appears to fail. Make sure there is not a broken
+alias in your environment" >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+
+ test "$2" = conftest.file
+ )
+then
+ # Ok.
+ :
+else
+ { { echo "$as_me:$LINENO: error: newly created file is older than distributed files!
+Check your system clock" >&5
+echo "$as_me: error: newly created file is older than distributed files!
+Check your system clock" >&2;}
+ { (exit 1); exit 1; }; }
+fi
+{ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+test "$program_prefix" != NONE &&
+ program_transform_name="s&^&$program_prefix&;$program_transform_name"
+# Use a double $ so make ignores it.
+test "$program_suffix" != NONE &&
+ program_transform_name="s&\$&$program_suffix&;$program_transform_name"
+# Double any \ or $. echo might interpret backslashes.
+# By default was `s,x,x', remove it if useless.
+cat <<\_ACEOF >conftest.sed
+s/[\\$]/&&/g;s/;s,x,x,$//
+_ACEOF
+program_transform_name=`echo $program_transform_name | sed -f conftest.sed`
+rm -f conftest.sed
+
+# expand $ac_aux_dir to an absolute path
+am_aux_dir=`cd $ac_aux_dir && pwd`
+
+test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
+# Use eval to expand $SHELL
+if eval "$MISSING --run true"; then
+ am_missing_run="$MISSING --run "
+else
+ am_missing_run=
+ { echo "$as_me:$LINENO: WARNING: \`missing' script is too old or missing" >&5
+echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
+fi
+
+if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
+ # We used to keeping the `.' as first argument, in order to
+ # allow $(mkdir_p) to be used without argument. As in
+ # $(mkdir_p) $(somedir)
+ # where $(somedir) is conditionally defined. However this is wrong
+ # for two reasons:
+ # 1. if the package is installed by a user who cannot write `.'
+ # make install will fail,
+ # 2. the above comment should most certainly read
+ # $(mkdir_p) $(DESTDIR)$(somedir)
+ # so it does not work when $(somedir) is undefined and
+ # $(DESTDIR) is not.
+ # To support the latter case, we have to write
+ # test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
+ # so the `.' trick is pointless.
+ mkdir_p='mkdir -p --'
+else
+ # On NextStep and OpenStep, the `mkdir' command does not
+ # recognize any option. It will interpret all options as
+ # directories to create, and then abort because `.' already
+ # exists.
+ for d in ./-p ./--version;
+ do
+ test -d $d && rmdir $d
+ done
+ # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
+ if test -f "$ac_aux_dir/mkinstalldirs"; then
+ mkdir_p='$(mkinstalldirs)'
+ else
+ mkdir_p='$(install_sh) -d'
+ fi
+fi
+
+for ac_prog in gawk mawk nawk awk
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_AWK+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$AWK"; then
+ ac_cv_prog_AWK="$AWK" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_AWK="$ac_prog"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+AWK=$ac_cv_prog_AWK
+if test -n "$AWK"; then
+ { echo "$as_me:$LINENO: result: $AWK" >&5
+echo "${ECHO_T}$AWK" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+ test -n "$AWK" && break
+done
+
+{ echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+echo $ECHO_N "checking whether ${MAKE-make} sets \$(MAKE)... $ECHO_C" >&6; }
+set x ${MAKE-make}; ac_make=`echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.make <<\_ACEOF
+SHELL = /bin/sh
+all:
+ @echo '@@@%%%=$(MAKE)=@@@%%%'
+_ACEOF
+# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+case `${MAKE-make} -f conftest.make 2>/dev/null` in
+ *@@@%%%=?*=@@@%%%*)
+ eval ac_cv_prog_make_${ac_make}_set=yes;;
+ *)
+ eval ac_cv_prog_make_${ac_make}_set=no;;
+esac
+rm -f conftest.make
+fi
+if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
+ { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+ SET_MAKE=
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+ SET_MAKE="MAKE=${MAKE-make}"
+fi
+
+rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+ am__leading_dot=.
+else
+ am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+
+# test to see if srcdir already configured
+if test "`cd $srcdir && pwd`" != "`pwd`" &&
+ test -f $srcdir/config.status; then
+ { { echo "$as_me:$LINENO: error: source directory already configured; run \"make distclean\" there first" >&5
+echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+ if (cygpath --version) >/dev/null 2>/dev/null; then
+ CYGPATH_W='cygpath -w'
+ else
+ CYGPATH_W=echo
+ fi
+fi
+
+
+# Define the identity of the package.
+ PACKAGE=lksctp-tools
+ VERSION=1.0.10
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE "$PACKAGE"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define VERSION "$VERSION"
+_ACEOF
+
+# Some tools Automake needs.
+
+ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"}
+
+
+AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"}
+
+
+AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"}
+
+
+AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
+
+
+MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
+
+install_sh=${install_sh-"$am_aux_dir/install-sh"}
+
+# Installed binaries are usually stripped using `strip' when the user
+# run `make install-strip'. However `strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the `STRIP' environment variable to overrule this program.
+if test "$cross_compiling" != no; then
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_STRIP+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$STRIP"; then
+ ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+ { echo "$as_me:$LINENO: result: $STRIP" >&5
+echo "${ECHO_T}$STRIP" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+ ac_ct_STRIP=$STRIP
+ # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_STRIP"; then
+ ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_STRIP="strip"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+ { echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5
+echo "${ECHO_T}$ac_ct_STRIP" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+ if test "x$ac_ct_STRIP" = x; then
+ STRIP=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+ STRIP=$ac_ct_STRIP
+ fi
+else
+ STRIP="$ac_cv_prog_STRIP"
+fi
+
+fi
+INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
+
+# We need awk for the "check" target. The system "awk" is bad on
+# some platforms.
+# Always define AMTAR for backward compatibility.
+
+AMTAR=${AMTAR-"${am_missing_run}tar"}
+
+am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
+
+
+
+
+
+
+ac_config_headers="$ac_config_headers config.h"
+
+
+
+
+for ac_prog in gawk mawk nawk awk
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_AWK+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$AWK"; then
+ ac_cv_prog_AWK="$AWK" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_AWK="$ac_prog"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+AWK=$ac_cv_prog_AWK
+if test -n "$AWK"; then
+ { echo "$as_me:$LINENO: result: $AWK" >&5
+echo "${ECHO_T}$AWK" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+ test -n "$AWK" && break
+done
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_CC="${ac_tool_prefix}gcc"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+ { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+ ac_ct_CC=$CC
+ # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_CC"; then
+ ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_CC="gcc"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+ { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+ if test "x$ac_ct_CC" = x; then
+ CC=""
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+ CC=$ac_ct_CC
+ fi
+else
+ CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_CC="${ac_tool_prefix}cc"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+ { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+ fi
+fi
+if test -z "$CC"; then
+ # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+ ac_prog_rejected=no
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+ ac_prog_rejected=yes
+ continue
+ fi
+ ac_cv_prog_CC="cc"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+if test $ac_prog_rejected = yes; then
+ # We found a bogon in the path, so make sure we never use it.
+ set dummy $ac_cv_prog_CC
+ shift
+ if test $# != 0; then
+ # We chose a different compiler from the bogus one.
+ # However, it has the same basename, so the bogon will be chosen
+ # first if we set CC to just the basename; use the full file name.
+ shift
+ ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
+ fi
+fi
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+ { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+fi
+if test -z "$CC"; then
+ if test -n "$ac_tool_prefix"; then
+ for ac_prog in cl.exe
+ do
+ # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+ { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+ test -n "$CC" && break
+ done
+fi
+if test -z "$CC"; then
+ ac_ct_CC=$CC
+ for ac_prog in cl.exe
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_CC"; then
+ ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_CC="$ac_prog"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+ { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+ test -n "$ac_ct_CC" && break
+done
+
+ if test "x$ac_ct_CC" = x; then
+ CC=""
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+ CC=$ac_ct_CC
+ fi
+fi
+
+fi
+
+
+test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&5
+echo "$as_me: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+
+# Provide some information about the compiler.
+echo "$as_me:$LINENO: checking for C compiler version" >&5
+ac_compiler=`set X $ac_compile; echo $2`
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compiler --version >&5") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compiler -v >&5") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compiler -V >&5") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files a.out a.exe b.out"
+# Try to create an executable without -o first, disregard a.out.
+# It will help us diagnose broken compilers, and finding out an intuition
+# of exeext.
+{ echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
+echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6; }
+ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+#
+# List of possible output files, starting from the most likely.
+# The algorithm is not robust to junk in `.', hence go to wildcards (a.*)
+# only as a last resort. b.out is created by i960 compilers.
+ac_files='a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out'
+#
+# The IRIX 6 linker writes into existing files which may not be
+# executable, retaining their permissions. Remove them first so a
+# subsequent execution test works.
+ac_rmfiles=
+for ac_file in $ac_files
+do
+ case $ac_file in
+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;
+ * ) ac_rmfiles="$ac_rmfiles $ac_file";;
+ esac
+done
+rm -f $ac_rmfiles
+
+if { (ac_try="$ac_link_default"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link_default") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+# in a Makefile. We should not override ac_cv_exeext if it was cached,
+# so that the user can short-circuit this test for compilers unknown to
+# Autoconf.
+for ac_file in $ac_files ''
+do
+ test -f "$ac_file" || continue
+ case $ac_file in
+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj )
+ ;;
+ [ab].out )
+ # We found the default executable, but exeext='' is most
+ # certainly right.
+ break;;
+ *.* )
+ if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+ then :; else
+ ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+ fi
+ # We set ac_cv_exeext here because the later test for it is not
+ # safe: cross compilers may not add the suffix if given an `-o'
+ # argument, so we may need to know it at that point already.
+ # Even if this section looks crufty: it has the advantage of
+ # actually working.
+ break;;
+ * )
+ break;;
+ esac
+done
+test "$ac_cv_exeext" = no && ac_cv_exeext=
+
+else
+ ac_file=''
+fi
+
+{ echo "$as_me:$LINENO: result: $ac_file" >&5
+echo "${ECHO_T}$ac_file" >&6; }
+if test -z "$ac_file"; then
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { echo "$as_me:$LINENO: error: C compiler cannot create executables
+See \`config.log' for more details." >&5
+echo "$as_me: error: C compiler cannot create executables
+See \`config.log' for more details." >&2;}
+ { (exit 77); exit 77; }; }
+fi
+
+ac_exeext=$ac_cv_exeext
+
+# Check that the compiler produces executables we can run. If not, either
+# the compiler is broken, or we cross compile.
+{ echo "$as_me:$LINENO: checking whether the C compiler works" >&5
+echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6; }
+# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
+# If not cross compiling, check that we can run a simple program.
+if test "$cross_compiling" != yes; then
+ if { ac_try='./$ac_file'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cross_compiling=no
+ else
+ if test "$cross_compiling" = maybe; then
+ cross_compiling=yes
+ else
+ { { echo "$as_me:$LINENO: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+ fi
+fi
+{ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+
+rm -f a.out a.exe conftest$ac_cv_exeext b.out
+ac_clean_files=$ac_clean_files_save
+# Check that the compiler produces executables we can run. If not, either
+# the compiler is broken, or we cross compile.
+{ echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
+echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6; }
+{ echo "$as_me:$LINENO: result: $cross_compiling" >&5
+echo "${ECHO_T}$cross_compiling" >&6; }
+
+{ echo "$as_me:$LINENO: checking for suffix of executables" >&5
+echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6; }
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ # If both `conftest.exe' and `conftest' are `present' (well, observable)
+# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will
+# work properly (i.e., refer to `conftest.exe'), while it won't with
+# `rm'.
+for ac_file in conftest.exe conftest conftest.*; do
+ test -f "$ac_file" || continue
+ case $ac_file in
+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;
+ *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+ break;;
+ * ) break;;
+ esac
+done
+else
+ { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+rm -f conftest$ac_cv_exeext
+{ echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
+echo "${ECHO_T}$ac_cv_exeext" >&6; }
+
+rm -f conftest.$ac_ext
+EXEEXT=$ac_cv_exeext
+ac_exeext=$EXEEXT
+{ echo "$as_me:$LINENO: checking for suffix of object files" >&5
+echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6; }
+if test "${ac_cv_objext+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.o conftest.obj
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ for ac_file in conftest.o conftest.obj conftest.*; do
+ test -f "$ac_file" || continue;
+ case $ac_file in
+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf ) ;;
+ *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
+ break;;
+ esac
+done
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+rm -f conftest.$ac_cv_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
+echo "${ECHO_T}$ac_cv_objext" >&6; }
+OBJEXT=$ac_cv_objext
+ac_objext=$OBJEXT
+{ echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6; }
+if test "${ac_cv_c_compiler_gnu+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+#ifndef __GNUC__
+ choke me
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_compiler_gnu=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_compiler_gnu=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6; }
+GCC=`test $ac_compiler_gnu = yes && echo yes`
+ac_test_CFLAGS=${CFLAGS+set}
+ac_save_CFLAGS=$CFLAGS
+{ echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
+echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6; }
+if test "${ac_cv_prog_cc_g+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_save_c_werror_flag=$ac_c_werror_flag
+ ac_c_werror_flag=yes
+ ac_cv_prog_cc_g=no
+ CFLAGS="-g"
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_prog_cc_g=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ CFLAGS=""
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_c_werror_flag=$ac_save_c_werror_flag
+ CFLAGS="-g"
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_prog_cc_g=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag=$ac_save_c_werror_flag
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; }
+if test "$ac_test_CFLAGS" = set; then
+ CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+ if test "$GCC" = yes; then
+ CFLAGS="-g -O2"
+ else
+ CFLAGS="-g"
+ fi
+else
+ if test "$GCC" = yes; then
+ CFLAGS="-O2"
+ else
+ CFLAGS=
+ fi
+fi
+{ echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
+echo $ECHO_N "checking for $CC option to accept ISO C89... $ECHO_C" >&6; }
+if test "${ac_cv_prog_cc_c89+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdarg.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+ char **p;
+ int i;
+{
+ return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+ char *s;
+ va_list v;
+ va_start (v,p);
+ s = g (p, va_arg (v,int));
+ va_end (v);
+ return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has
+ function prototypes and stuff, but not '\xHH' hex character constants.
+ These don't provoke an error unfortunately, instead are silently treated
+ as 'x'. The following induces an error, until -std is added to get
+ proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an
+ array size at least. It's necessary to write '\x00'==0 to get something
+ that's true only with -std. */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+ inside strings and character constants. */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+int
+main ()
+{
+return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
+ ;
+ return 0;
+}
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+ -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+ CC="$ac_save_CC $ac_arg"
+ rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_prog_cc_c89=$ac_arg
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext
+ test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+
+fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+ x)
+ { echo "$as_me:$LINENO: result: none needed" >&5
+echo "${ECHO_T}none needed" >&6; } ;;
+ xno)
+ { echo "$as_me:$LINENO: result: unsupported" >&5
+echo "${ECHO_T}unsupported" >&6; } ;;
+ *)
+ CC="$CC $ac_cv_prog_cc_c89"
+ { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_c89" >&6; } ;;
+esac
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+DEPDIR="${am__leading_dot}deps"
+
+ac_config_commands="$ac_config_commands depfiles"
+
+
+am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+ @echo done
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+{ echo "$as_me:$LINENO: checking for style of include used by $am_make" >&5
+echo $ECHO_N "checking for style of include used by $am_make... $ECHO_C" >&6; }
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# We grep out `Entering directory' and `Leaving directory'
+# messages which can occur if `w' ends up in MAKEFLAGS.
+# In particular we don't look at `^make:' because GNU make might
+# be invoked under some other name (usually "gmake"), in which
+# case it prints its new name instead of `make'.
+if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
+ am__include=include
+ am__quote=
+ _am_result=GNU
+fi
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+ echo '.include "confinc"' > confmf
+ if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
+ am__include=.include
+ am__quote="\""
+ _am_result=BSD
+ fi
+fi
+
+
+{ echo "$as_me:$LINENO: result: $_am_result" >&5
+echo "${ECHO_T}$_am_result" >&6; }
+rm -f confinc confmf
+
+# Check whether --enable-dependency-tracking was given.
+if test "${enable_dependency_tracking+set}" = set; then
+ enableval=$enable_dependency_tracking;
+fi
+
+if test "x$enable_dependency_tracking" != xno; then
+ am_depcomp="$ac_aux_dir/depcomp"
+ AMDEPBACKSLASH='\'
+fi
+
+
+if test "x$enable_dependency_tracking" != xno; then
+ AMDEP_TRUE=
+ AMDEP_FALSE='#'
+else
+ AMDEP_TRUE='#'
+ AMDEP_FALSE=
+fi
+
+
+
+
+depcc="$CC" am_compiler_list=
+
+{ echo "$as_me:$LINENO: checking dependency style of $depcc" >&5
+echo $ECHO_N "checking dependency style of $depcc... $ECHO_C" >&6; }
+if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+ # We make a subdir and do the tests there. Otherwise we can end up
+ # making bogus files that we don't know about and never remove. For
+ # instance it was reported that on HP-UX the gcc test will end up
+ # making a dummy file named `D' -- because `-MD' means `put the output
+ # in D'.
+ mkdir conftest.dir
+ # Copy depcomp to subdir because otherwise we won't find it if we're
+ # using a relative directory.
+ cp "$am_depcomp" conftest.dir
+ cd conftest.dir
+ # We will build objects and dependencies in a subdirectory because
+ # it helps to detect inapplicable dependency modes. For instance
+ # both Tru64's cc and ICC support -MD to output dependencies as a
+ # side effect of compilation, but ICC will put the dependencies in
+ # the current directory while Tru64 will put them in the object
+ # directory.
+ mkdir sub
+
+ am_cv_CC_dependencies_compiler_type=none
+ if test "$am_compiler_list" = ""; then
+ am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+ fi
+ for depmode in $am_compiler_list; do
+ # Setup a source with many dependencies, because some compilers
+ # like to wrap large dependency lists on column 80 (with \), and
+ # we should not choose a depcomp mode which is confused by this.
+ #
+ # We need to recreate these files for each test, as the compiler may
+ # overwrite some of them when testing with obscure command lines.
+ # This happens at least with the AIX C compiler.
+ : > sub/conftest.c
+ for i in 1 2 3 4 5 6; do
+ echo '#include "conftst'$i'.h"' >> sub/conftest.c
+ # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
+ # Solaris 8's {/usr,}/bin/sh.
+ touch sub/conftst$i.h
+ done
+ echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+ case $depmode in
+ nosideeffect)
+ # after this tag, mechanisms are not by side-effect, so they'll
+ # only be used when explicitly requested
+ if test "x$enable_dependency_tracking" = xyes; then
+ continue
+ else
+ break
+ fi
+ ;;
+ none) break ;;
+ esac
+ # We check with `-c' and `-o' for the sake of the "dashmstdout"
+ # mode. It turns out that the SunPro C++ compiler does not properly
+ # handle `-M -o', and we need to detect this.
+ if depmode=$depmode \
+ source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
+ depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+ $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
+ >/dev/null 2>conftest.err &&
+ grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+ grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
+ ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+ # icc doesn't choke on unknown options, it will just issue warnings
+ # or remarks (even with -Werror). So we grep stderr for any message
+ # that says an option was ignored or not supported.
+ # When given -MP, icc 7.0 and 7.1 complain thusly:
+ # icc: Command line warning: ignoring option '-M'; no argument required
+ # The diagnosis changed in icc 8.0:
+ # icc: Command line remark: option '-MP' not supported
+ if (grep 'ignoring option' conftest.err ||
+ grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+ am_cv_CC_dependencies_compiler_type=$depmode
+ break
+ fi
+ fi
+ done
+
+ cd ..
+ rm -rf conftest.dir
+else
+ am_cv_CC_dependencies_compiler_type=none
+fi
+
+fi
+{ echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5
+echo "${ECHO_T}$am_cv_CC_dependencies_compiler_type" >&6; }
+CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
+
+
+
+if
+ test "x$enable_dependency_tracking" != xno \
+ && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
+ am__fastdepCC_TRUE=
+ am__fastdepCC_FALSE='#'
+else
+ am__fastdepCC_TRUE='#'
+ am__fastdepCC_FALSE=
+fi
+
+
+# Find a good install program. We prefer a C program (faster),
+# so one script is as good as another. But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# OS/2's system install, which has a completely different semantic
+# ./install, which can be erroneously created by make from ./install.sh.
+{ echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
+echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6; }
+if test -z "$INSTALL"; then
+if test "${ac_cv_path_install+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in
+ ./ | .// | /cC/* | \
+ /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
+ ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
+ /usr/ucb/* ) ;;
+ *)
+ # OSF1 and SCO ODT 3.0 have their own names for install.
+ # Don't use installbsd from OSF since it installs stuff as root
+ # by default.
+ for ac_prog in ginstall scoinst install; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
+ if test $ac_prog = install &&
+ grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+ # AIX install. It has an incompatible calling convention.
+ :
+ elif test $ac_prog = install &&
+ grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+ # program-specific install script used by HP pwplus--don't use.
+ :
+ else
+ ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+ break 3
+ fi
+ fi
+ done
+ done
+ ;;
+esac
+done
+IFS=$as_save_IFS
+
+
+fi
+ if test "${ac_cv_path_install+set}" = set; then
+ INSTALL=$ac_cv_path_install
+ else
+ # As a last resort, use the slow shell script. Don't cache a
+ # value for INSTALL within a source directory, because that will
+ # break other packages using the cache if that directory is
+ # removed, or if the value is a relative name.
+ INSTALL=$ac_install_sh
+ fi
+fi
+{ echo "$as_me:$LINENO: result: $INSTALL" >&5
+echo "${ECHO_T}$INSTALL" >&6; }
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+{ echo "$as_me:$LINENO: checking whether ln -s works" >&5
+echo $ECHO_N "checking whether ln -s works... $ECHO_C" >&6; }
+LN_S=$as_ln_s
+if test "$LN_S" = "ln -s"; then
+ { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no, using $LN_S" >&5
+echo "${ECHO_T}no, using $LN_S" >&6; }
+fi
+
+
+{ echo "$as_me:$LINENO: checking for library containing strerror" >&5
+echo $ECHO_N "checking for library containing strerror... $ECHO_C" >&6; }
+if test "${ac_cv_search_strerror+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_func_search_save_LIBS=$LIBS
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char strerror ();
+int
+main ()
+{
+return strerror ();
+ ;
+ return 0;
+}
+_ACEOF
+for ac_lib in '' cposix; do
+ if test -z "$ac_lib"; then
+ ac_res="none required"
+ else
+ ac_res=-l$ac_lib
+ LIBS="-l$ac_lib $ac_func_search_save_LIBS"
+ fi
+ rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ ac_cv_search_strerror=$ac_res
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext
+ if test "${ac_cv_search_strerror+set}" = set; then
+ break
+fi
+done
+if test "${ac_cv_search_strerror+set}" = set; then
+ :
+else
+ ac_cv_search_strerror=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_search_strerror" >&5
+echo "${ECHO_T}$ac_cv_search_strerror" >&6; }
+ac_res=$ac_cv_search_strerror
+if test "$ac_res" != no; then
+ test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+
+
+
+
+# Check whether --enable-shared was given.
+if test "${enable_shared+set}" = set; then
+ enableval=$enable_shared; p=${PACKAGE-default}
+ case $enableval in
+ yes) enable_shared=yes ;;
+ no) enable_shared=no ;;
+ *)
+ enable_shared=no
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for pkg in $enableval; do
+ IFS="$lt_save_ifs"
+ if test "X$pkg" = "X$p"; then
+ enable_shared=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac
+else
+ enable_shared=yes
+fi
+
+
+# Check whether --enable-static was given.
+if test "${enable_static+set}" = set; then
+ enableval=$enable_static; p=${PACKAGE-default}
+ case $enableval in
+ yes) enable_static=yes ;;
+ no) enable_static=no ;;
+ *)
+ enable_static=no
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for pkg in $enableval; do
+ IFS="$lt_save_ifs"
+ if test "X$pkg" = "X$p"; then
+ enable_static=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac
+else
+ enable_static=yes
+fi
+
+
+# Check whether --enable-fast-install was given.
+if test "${enable_fast_install+set}" = set; then
+ enableval=$enable_fast_install; p=${PACKAGE-default}
+ case $enableval in
+ yes) enable_fast_install=yes ;;
+ no) enable_fast_install=no ;;
+ *)
+ enable_fast_install=no
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for pkg in $enableval; do
+ IFS="$lt_save_ifs"
+ if test "X$pkg" = "X$p"; then
+ enable_fast_install=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac
+else
+ enable_fast_install=yes
+fi
+
+
+# Make sure we can run config.sub.
+$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
+ { { echo "$as_me:$LINENO: error: cannot run $SHELL $ac_aux_dir/config.sub" >&5
+echo "$as_me: error: cannot run $SHELL $ac_aux_dir/config.sub" >&2;}
+ { (exit 1); exit 1; }; }
+
+{ echo "$as_me:$LINENO: checking build system type" >&5
+echo $ECHO_N "checking build system type... $ECHO_C" >&6; }
+if test "${ac_cv_build+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_build_alias=$build_alias
+test "x$ac_build_alias" = x &&
+ ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
+test "x$ac_build_alias" = x &&
+ { { echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5
+echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
+ { (exit 1); exit 1; }; }
+ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
+ { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&5
+echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&2;}
+ { (exit 1); exit 1; }; }
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_build" >&5
+echo "${ECHO_T}$ac_cv_build" >&6; }
+case $ac_cv_build in
+*-*-*) ;;
+*) { { echo "$as_me:$LINENO: error: invalid value of canonical build" >&5
+echo "$as_me: error: invalid value of canonical build" >&2;}
+ { (exit 1); exit 1; }; };;
+esac
+build=$ac_cv_build
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_build
+shift
+build_cpu=$1
+build_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+build_os=$*
+IFS=$ac_save_IFS
+case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
+
+
+{ echo "$as_me:$LINENO: checking host system type" >&5
+echo $ECHO_N "checking host system type... $ECHO_C" >&6; }
+if test "${ac_cv_host+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test "x$host_alias" = x; then
+ ac_cv_host=$ac_cv_build
+else
+ ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
+ { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&5
+echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_host" >&5
+echo "${ECHO_T}$ac_cv_host" >&6; }
+case $ac_cv_host in
+*-*-*) ;;
+*) { { echo "$as_me:$LINENO: error: invalid value of canonical host" >&5
+echo "$as_me: error: invalid value of canonical host" >&2;}
+ { (exit 1); exit 1; }; };;
+esac
+host=$ac_cv_host
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_host
+shift
+host_cpu=$1
+host_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+host_os=$*
+IFS=$ac_save_IFS
+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
+
+
+{ echo "$as_me:$LINENO: checking for a sed that does not truncate output" >&5
+echo $ECHO_N "checking for a sed that does not truncate output... $ECHO_C" >&6; }
+if test "${lt_cv_path_SED+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ # Loop through the user's path and test for sed and gsed.
+# Then use that list of sed's as ones to test for truncation.
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for lt_ac_prog in sed gsed; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$lt_ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$lt_ac_prog$ac_exec_ext"; }; then
+ lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext"
+ fi
+ done
+ done
+done
+IFS=$as_save_IFS
+lt_ac_max=0
+lt_ac_count=0
+# Add /usr/xpg4/bin/sed as it is typically found on Solaris
+# along with /bin/sed that truncates output.
+for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do
+ test ! -f $lt_ac_sed && continue
+ cat /dev/null > conftest.in
+ lt_ac_count=0
+ echo $ECHO_N "0123456789$ECHO_C" >conftest.in
+ # Check for GNU sed and select it if it is found.
+ if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then
+ lt_cv_path_SED=$lt_ac_sed
+ break
+ fi
+ while true; do
+ cat conftest.in conftest.in >conftest.tmp
+ mv conftest.tmp conftest.in
+ cp conftest.in conftest.nl
+ echo >>conftest.nl
+ $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break
+ cmp -s conftest.out conftest.nl || break
+ # 10000 chars as input seems more than enough
+ test $lt_ac_count -gt 10 && break
+ lt_ac_count=`expr $lt_ac_count + 1`
+ if test $lt_ac_count -gt $lt_ac_max; then
+ lt_ac_max=$lt_ac_count
+ lt_cv_path_SED=$lt_ac_sed
+ fi
+ done
+done
+
+fi
+
+SED=$lt_cv_path_SED
+
+{ echo "$as_me:$LINENO: result: $SED" >&5
+echo "${ECHO_T}$SED" >&6; }
+
+{ echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
+echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; }
+if test "${ac_cv_path_GREP+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ # Extract the first word of "grep ggrep" to use in msg output
+if test -z "$GREP"; then
+set dummy grep ggrep; ac_prog_name=$2
+if test "${ac_cv_path_GREP+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_path_GREP_found=false
+# Loop through the user's path and test for each of PROGNAME-LIST
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_prog in grep ggrep; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+ { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+ # Check for GNU ac_path_GREP and select it if it is found.
+ # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+ ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+ ac_count=0
+ echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
+ while :
+ do
+ cat "conftest.in" "conftest.in" >"conftest.tmp"
+ mv "conftest.tmp" "conftest.in"
+ cp "conftest.in" "conftest.nl"
+ echo 'GREP' >> "conftest.nl"
+ "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+ diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+ ac_count=`expr $ac_count + 1`
+ if test $ac_count -gt ${ac_path_GREP_max-0}; then
+ # Best one so far, save it but keep looking for a better one
+ ac_cv_path_GREP="$ac_path_GREP"
+ ac_path_GREP_max=$ac_count
+ fi
+ # 10*(2^10) chars as input seems more than enough
+ test $ac_count -gt 10 && break
+ done
+ rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+
+ $ac_path_GREP_found && break 3
+ done
+done
+
+done
+IFS=$as_save_IFS
+
+
+fi
+
+GREP="$ac_cv_path_GREP"
+if test -z "$GREP"; then
+ { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+else
+ ac_cv_path_GREP=$GREP
+fi
+
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
+echo "${ECHO_T}$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ echo "$as_me:$LINENO: checking for egrep" >&5
+echo $ECHO_N "checking for egrep... $ECHO_C" >&6; }
+if test "${ac_cv_path_EGREP+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+ then ac_cv_path_EGREP="$GREP -E"
+ else
+ # Extract the first word of "egrep" to use in msg output
+if test -z "$EGREP"; then
+set dummy egrep; ac_prog_name=$2
+if test "${ac_cv_path_EGREP+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_path_EGREP_found=false
+# Loop through the user's path and test for each of PROGNAME-LIST
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_prog in egrep; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+ { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+ # Check for GNU ac_path_EGREP and select it if it is found.
+ # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+ ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+ ac_count=0
+ echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
+ while :
+ do
+ cat "conftest.in" "conftest.in" >"conftest.tmp"
+ mv "conftest.tmp" "conftest.in"
+ cp "conftest.in" "conftest.nl"
+ echo 'EGREP' >> "conftest.nl"
+ "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+ diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+ ac_count=`expr $ac_count + 1`
+ if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+ # Best one so far, save it but keep looking for a better one
+ ac_cv_path_EGREP="$ac_path_EGREP"
+ ac_path_EGREP_max=$ac_count
+ fi
+ # 10*(2^10) chars as input seems more than enough
+ test $ac_count -gt 10 && break
+ done
+ rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+
+ $ac_path_EGREP_found && break 3
+ done
+done
+
+done
+IFS=$as_save_IFS
+
+
+fi
+
+EGREP="$ac_cv_path_EGREP"
+if test -z "$EGREP"; then
+ { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+else
+ ac_cv_path_EGREP=$EGREP
+fi
+
+
+ fi
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
+echo "${ECHO_T}$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+
+# Check whether --with-gnu-ld was given.
+if test "${with_gnu_ld+set}" = set; then
+ withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes
+else
+ with_gnu_ld=no
+fi
+
+ac_prog=ld
+if test "$GCC" = yes; then
+ # Check if gcc -print-prog-name=ld gives a path.
+ { echo "$as_me:$LINENO: checking for ld used by $CC" >&5
+echo $ECHO_N "checking for ld used by $CC... $ECHO_C" >&6; }
+ case $host in
+ *-*-mingw*)
+ # gcc leaves a trailing carriage return which upsets mingw
+ ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+ *)
+ ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+ esac
+ case $ac_prog in
+ # Accept absolute paths.
+ [\\/]* | ?:[\\/]*)
+ re_direlt='/[^/][^/]*/\.\./'
+ # Canonicalize the pathname of ld
+ ac_prog=`echo $ac_prog| $SED 's%\\\\%/%g'`
+ while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+ ac_prog=`echo $ac_prog| $SED "s%$re_direlt%/%"`
+ done
+ test -z "$LD" && LD="$ac_prog"
+ ;;
+ "")
+ # If it fails, then pretend we aren't using GCC.
+ ac_prog=ld
+ ;;
+ *)
+ # If it is relative, then search for the first ld in PATH.
+ with_gnu_ld=unknown
+ ;;
+ esac
+elif test "$with_gnu_ld" = yes; then
+ { echo "$as_me:$LINENO: checking for GNU ld" >&5
+echo $ECHO_N "checking for GNU ld... $ECHO_C" >&6; }
+else
+ { echo "$as_me:$LINENO: checking for non-GNU ld" >&5
+echo $ECHO_N "checking for non-GNU ld... $ECHO_C" >&6; }
+fi
+if test "${lt_cv_path_LD+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -z "$LD"; then
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ for ac_dir in $PATH; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+ lt_cv_path_LD="$ac_dir/$ac_prog"
+ # Check to see if the program is GNU ld. I'd rather use --version,
+ # but apparently some variants of GNU ld only accept -v.
+ # Break only if it was the GNU/non-GNU ld that we prefer.
+ case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+ *GNU* | *'with BFD'*)
+ test "$with_gnu_ld" != no && break
+ ;;
+ *)
+ test "$with_gnu_ld" != yes && break
+ ;;
+ esac
+ fi
+ done
+ IFS="$lt_save_ifs"
+else
+ lt_cv_path_LD="$LD" # Let the user override the test with a path.
+fi
+fi
+
+LD="$lt_cv_path_LD"
+if test -n "$LD"; then
+ { echo "$as_me:$LINENO: result: $LD" >&5
+echo "${ECHO_T}$LD" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+test -z "$LD" && { { echo "$as_me:$LINENO: error: no acceptable ld found in \$PATH" >&5
+echo "$as_me: error: no acceptable ld found in \$PATH" >&2;}
+ { (exit 1); exit 1; }; }
+{ echo "$as_me:$LINENO: checking if the linker ($LD) is GNU ld" >&5
+echo $ECHO_N "checking if the linker ($LD) is GNU ld... $ECHO_C" >&6; }
+if test "${lt_cv_prog_gnu_ld+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ # I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+ lt_cv_prog_gnu_ld=yes
+ ;;
+*)
+ lt_cv_prog_gnu_ld=no
+ ;;
+esac
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_gnu_ld" >&5
+echo "${ECHO_T}$lt_cv_prog_gnu_ld" >&6; }
+with_gnu_ld=$lt_cv_prog_gnu_ld
+
+
+{ echo "$as_me:$LINENO: checking for $LD option to reload object files" >&5
+echo $ECHO_N "checking for $LD option to reload object files... $ECHO_C" >&6; }
+if test "${lt_cv_ld_reload_flag+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_ld_reload_flag='-r'
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_ld_reload_flag" >&5
+echo "${ECHO_T}$lt_cv_ld_reload_flag" >&6; }
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+ darwin*)
+ if test "$GCC" = yes; then
+ reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
+ else
+ reload_cmds='$LD$reload_flag -o $output$reload_objs'
+ fi
+ ;;
+esac
+
+{ echo "$as_me:$LINENO: checking for BSD-compatible nm" >&5
+echo $ECHO_N "checking for BSD-compatible nm... $ECHO_C" >&6; }
+if test "${lt_cv_path_NM+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$NM"; then
+ # Let the user override the test.
+ lt_cv_path_NM="$NM"
+else
+ lt_nm_to_check="${ac_tool_prefix}nm"
+ if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+ lt_nm_to_check="$lt_nm_to_check nm"
+ fi
+ for lt_tmp_nm in $lt_nm_to_check; do
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ tmp_nm="$ac_dir/$lt_tmp_nm"
+ if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
+ # Check to see if the nm accepts a BSD-compat flag.
+ # Adding the `sed 1q' prevents false positives on HP-UX, which says:
+ # nm: unknown option "B" ignored
+ # Tru64's nm complains that /dev/null is an invalid object file
+ case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
+ */dev/null* | *'Invalid file or object type'*)
+ lt_cv_path_NM="$tmp_nm -B"
+ break
+ ;;
+ *)
+ case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
+ */dev/null*)
+ lt_cv_path_NM="$tmp_nm -p"
+ break
+ ;;
+ *)
+ lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+ continue # so that we can try to find one that supports BSD flags
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ done
+ IFS="$lt_save_ifs"
+ done
+ test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm
+fi
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_path_NM" >&5
+echo "${ECHO_T}$lt_cv_path_NM" >&6; }
+NM="$lt_cv_path_NM"
+
+{ echo "$as_me:$LINENO: checking how to recognize dependent libraries" >&5
+echo $ECHO_N "checking how to recognize dependent libraries... $ECHO_C" >&6; }
+if test "${lt_cv_deplibs_check_method+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# `unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# which responds to the $file_magic_cmd with a given extended regex.
+# If you have `file' or equivalent on your system and you're not sure
+# whether `pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[4-9]*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+beos*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+bsdi[45]*)
+ lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
+ lt_cv_file_magic_cmd='/usr/bin/file -L'
+ lt_cv_file_magic_test_file=/shlib/libc.so
+ ;;
+
+cygwin*)
+ # func_win32_libid is a shell function defined in ltmain.sh
+ lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+ lt_cv_file_magic_cmd='func_win32_libid'
+ ;;
+
+mingw* | pw32*)
+ # Base MSYS/MinGW do not provide the 'file' command needed by
+ # func_win32_libid shell function, so use a weaker test based on 'objdump',
+ # unless we find 'file', for example because we are cross-compiling.
+ if ( file / ) >/dev/null 2>&1; then
+ lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+ lt_cv_file_magic_cmd='func_win32_libid'
+ else
+ lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
+ lt_cv_file_magic_cmd='$OBJDUMP -f'
+ fi
+ ;;
+
+darwin* | rhapsody*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+freebsd* | dragonfly*)
+ if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
+ case $host_cpu in
+ i*86 )
+ # Not sure whether the presence of OpenBSD here was a mistake.
+ # Let's accept both of them until this is cleared up.
+ lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library'
+ lt_cv_file_magic_cmd=/usr/bin/file
+ lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+ ;;
+ esac
+ else
+ lt_cv_deplibs_check_method=pass_all
+ fi
+ ;;
+
+gnu*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+hpux10.20* | hpux11*)
+ lt_cv_file_magic_cmd=/usr/bin/file
+ case $host_cpu in
+ ia64*)
+ lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64'
+ lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+ ;;
+ hppa*64*)
+ lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - PA-RISC [0-9].[0-9]'
+ lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+ ;;
+ *)
+ lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'
+ lt_cv_file_magic_test_file=/usr/lib/libc.sl
+ ;;
+ esac
+ ;;
+
+interix[3-9]*)
+ # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+ lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$'
+ ;;
+
+irix5* | irix6* | nonstopux*)
+ case $LD in
+ *-32|*"-32 ") libmagic=32-bit;;
+ *-n32|*"-n32 ") libmagic=N32;;
+ *-64|*"-64 ") libmagic=64-bit;;
+ *) libmagic=never-match;;
+ esac
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+netbsd* | netbsdelf*-gnu)
+ if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
+ lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+ else
+ lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$'
+ fi
+ ;;
+
+newos6*)
+ lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)'
+ lt_cv_file_magic_cmd=/usr/bin/file
+ lt_cv_file_magic_test_file=/usr/lib/libnls.so
+ ;;
+
+nto-qnx*)
+ lt_cv_deplibs_check_method=unknown
+ ;;
+
+openbsd*)
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$'
+ else
+ lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+ fi
+ ;;
+
+osf3* | osf4* | osf5*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+rdos*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+solaris*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+sysv4 | sysv4.3*)
+ case $host_vendor in
+ motorola)
+ lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
+ lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+ ;;
+ ncr)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ sequent)
+ lt_cv_file_magic_cmd='/bin/file'
+ lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
+ ;;
+ sni)
+ lt_cv_file_magic_cmd='/bin/file'
+ lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib"
+ lt_cv_file_magic_test_file=/lib/libc.so
+ ;;
+ siemens)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ pc)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ esac
+ ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+esac
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_deplibs_check_method" >&5
+echo "${ECHO_T}$lt_cv_deplibs_check_method" >&6; }
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+
+
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+# Check whether --enable-libtool-lock was given.
+if test "${enable_libtool_lock+set}" = set; then
+ enableval=$enable_libtool_lock;
+fi
+
+test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+ # Find out which ABI we are using.
+ echo 'int i;' > conftest.$ac_ext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ case `/usr/bin/file conftest.$ac_objext` in
+ *ELF-32*)
+ HPUX_IA64_MODE="32"
+ ;;
+ *ELF-64*)
+ HPUX_IA64_MODE="64"
+ ;;
+ esac
+ fi
+ rm -rf conftest*
+ ;;
+*-*-irix6*)
+ # Find out which ABI we are using.
+ echo '#line 4502 "configure"' > conftest.$ac_ext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ if test "$lt_cv_prog_gnu_ld" = yes; then
+ case `/usr/bin/file conftest.$ac_objext` in
+ *32-bit*)
+ LD="${LD-ld} -melf32bsmip"
+ ;;
+ *N32*)
+ LD="${LD-ld} -melf32bmipn32"
+ ;;
+ *64-bit*)
+ LD="${LD-ld} -melf64bmip"
+ ;;
+ esac
+ else
+ case `/usr/bin/file conftest.$ac_objext` in
+ *32-bit*)
+ LD="${LD-ld} -32"
+ ;;
+ *N32*)
+ LD="${LD-ld} -n32"
+ ;;
+ *64-bit*)
+ LD="${LD-ld} -64"
+ ;;
+ esac
+ fi
+ fi
+ rm -rf conftest*
+ ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
+s390*-*linux*|sparc*-*linux*)
+ # Find out which ABI we are using.
+ echo 'int i;' > conftest.$ac_ext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ case `/usr/bin/file conftest.o` in
+ *32-bit*)
+ case $host in
+ x86_64-*kfreebsd*-gnu)
+ LD="${LD-ld} -m elf_i386_fbsd"
+ ;;
+ x86_64-*linux*)
+ LD="${LD-ld} -m elf_i386"
+ ;;
+ ppc64-*linux*|powerpc64-*linux*)
+ LD="${LD-ld} -m elf32ppclinux"
+ ;;
+ s390x-*linux*)
+ LD="${LD-ld} -m elf_s390"
+ ;;
+ sparc64-*linux*)
+ LD="${LD-ld} -m elf32_sparc"
+ ;;
+ esac
+ ;;
+ *64-bit*)
+ case $host in
+ x86_64-*kfreebsd*-gnu)
+ LD="${LD-ld} -m elf_x86_64_fbsd"
+ ;;
+ x86_64-*linux*)
+ LD="${LD-ld} -m elf_x86_64"
+ ;;
+ ppc*-*linux*|powerpc*-*linux*)
+ LD="${LD-ld} -m elf64ppc"
+ ;;
+ s390*-*linux*)
+ LD="${LD-ld} -m elf64_s390"
+ ;;
+ sparc*-*linux*)
+ LD="${LD-ld} -m elf64_sparc"
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ rm -rf conftest*
+ ;;
+
+*-*-sco3.2v5*)
+ # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+ SAVE_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -belf"
+ { echo "$as_me:$LINENO: checking whether the C compiler needs -belf" >&5
+echo $ECHO_N "checking whether the C compiler needs -belf... $ECHO_C" >&6; }
+if test "${lt_cv_cc_needs_belf+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ lt_cv_cc_needs_belf=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ lt_cv_cc_needs_belf=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_cc_needs_belf" >&5
+echo "${ECHO_T}$lt_cv_cc_needs_belf" >&6; }
+ if test x"$lt_cv_cc_needs_belf" != x"yes"; then
+ # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+ CFLAGS="$SAVE_CFLAGS"
+ fi
+ ;;
+sparc*-*solaris*)
+ # Find out which ABI we are using.
+ echo 'int i;' > conftest.$ac_ext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ case `/usr/bin/file conftest.o` in
+ *64-bit*)
+ case $lt_cv_prog_gnu_ld in
+ yes*) LD="${LD-ld} -m elf64_sparc" ;;
+ *)
+ if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+ LD="${LD-ld} -64"
+ fi
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ rm -rf conftest*
+ ;;
+
+
+esac
+
+need_locks="$enable_libtool_lock"
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
+echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6; }
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+ CPP=
+fi
+if test -z "$CPP"; then
+ if test "${ac_cv_prog_CPP+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ # Double quotes because CPP needs to be expanded
+ for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+ do
+ ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+ # Use a header file that comes with gcc, so configuring glibc
+ # with a fresh cross-compiler works.
+ # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ # <limits.h> exists even on freestanding compilers.
+ # On the NeXT, cc -E runs the code through the compiler's parser,
+ # not just through cpp. "Syntax error" is here to catch this case.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+ Syntax error
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ # Broken: fails on valid input.
+continue
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+ # OK, works on sane cases. Now check whether nonexistent headers
+ # can be detected and how.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <ac_nonexistent.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ # Broken: success on invalid input.
+continue
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+ break
+fi
+
+ done
+ ac_cv_prog_CPP=$CPP
+
+fi
+ CPP=$ac_cv_prog_CPP
+else
+ ac_cv_prog_CPP=$CPP
+fi
+{ echo "$as_me:$LINENO: result: $CPP" >&5
+echo "${ECHO_T}$CPP" >&6; }
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+ # Use a header file that comes with gcc, so configuring glibc
+ # with a fresh cross-compiler works.
+ # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ # <limits.h> exists even on freestanding compilers.
+ # On the NeXT, cc -E runs the code through the compiler's parser,
+ # not just through cpp. "Syntax error" is here to catch this case.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+ Syntax error
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ # Broken: fails on valid input.
+continue
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+ # OK, works on sane cases. Now check whether nonexistent headers
+ # can be detected and how.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <ac_nonexistent.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ # Broken: success on invalid input.
+continue
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+ :
+else
+ { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." >&5
+echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+{ echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_header_stdc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_header_stdc=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+ # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "memchr" >/dev/null 2>&1; then
+ :
+else
+ ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+ # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "free" >/dev/null 2>&1; then
+ :
+else
+ ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+ # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+ if test "$cross_compiling" = yes; then
+ :
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+ (('a' <= (c) && (c) <= 'i') \
+ || ('j' <= (c) && (c) <= 'r') \
+ || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+ int i;
+ for (i = 0; i < 256; i++)
+ if (XOR (islower (i), ISLOWER (i))
+ || toupper (i) != TOUPPER (i))
+ return 2;
+ return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ :
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+echo "${ECHO_T}$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define STDC_HEADERS 1
+_ACEOF
+
+fi
+
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+
+
+
+
+
+
+
+
+
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+ inttypes.h stdint.h unistd.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ eval "$as_ac_Header=yes"
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ eval "$as_ac_Header=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+
+for ac_header in dlfcn.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+ # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+
+ ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+if test -z "$CXX"; then
+ if test -n "$CCC"; then
+ CXX=$CCC
+ else
+ if test -n "$ac_tool_prefix"; then
+ for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
+ do
+ # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CXX+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$CXX"; then
+ ac_cv_prog_CXX="$CXX" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CXX=$ac_cv_prog_CXX
+if test -n "$CXX"; then
+ { echo "$as_me:$LINENO: result: $CXX" >&5
+echo "${ECHO_T}$CXX" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+ test -n "$CXX" && break
+ done
+fi
+if test -z "$CXX"; then
+ ac_ct_CXX=$CXX
+ for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_CXX"; then
+ ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_CXX="$ac_prog"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
+if test -n "$ac_ct_CXX"; then
+ { echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5
+echo "${ECHO_T}$ac_ct_CXX" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+ test -n "$ac_ct_CXX" && break
+done
+
+ if test "x$ac_ct_CXX" = x; then
+ CXX="g++"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+ CXX=$ac_ct_CXX
+ fi
+fi
+
+ fi
+fi
+# Provide some information about the compiler.
+echo "$as_me:$LINENO: checking for C++ compiler version" >&5
+ac_compiler=`set X $ac_compile; echo $2`
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compiler --version >&5") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compiler -v >&5") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compiler -V >&5") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+
+{ echo "$as_me:$LINENO: checking whether we are using the GNU C++ compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU C++ compiler... $ECHO_C" >&6; }
+if test "${ac_cv_cxx_compiler_gnu+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+#ifndef __GNUC__
+ choke me
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_compiler_gnu=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_compiler_gnu=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_cxx_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6; }
+GXX=`test $ac_compiler_gnu = yes && echo yes`
+ac_test_CXXFLAGS=${CXXFLAGS+set}
+ac_save_CXXFLAGS=$CXXFLAGS
+{ echo "$as_me:$LINENO: checking whether $CXX accepts -g" >&5
+echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6; }
+if test "${ac_cv_prog_cxx_g+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ ac_cxx_werror_flag=yes
+ ac_cv_prog_cxx_g=no
+ CXXFLAGS="-g"
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_prog_cxx_g=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ CXXFLAGS=""
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+ CXXFLAGS="-g"
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_prog_cxx_g=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6; }
+if test "$ac_test_CXXFLAGS" = set; then
+ CXXFLAGS=$ac_save_CXXFLAGS
+elif test $ac_cv_prog_cxx_g = yes; then
+ if test "$GXX" = yes; then
+ CXXFLAGS="-g -O2"
+ else
+ CXXFLAGS="-g"
+ fi
+else
+ if test "$GXX" = yes; then
+ CXXFLAGS="-O2"
+ else
+ CXXFLAGS=
+ fi
+fi
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+depcc="$CXX" am_compiler_list=
+
+{ echo "$as_me:$LINENO: checking dependency style of $depcc" >&5
+echo $ECHO_N "checking dependency style of $depcc... $ECHO_C" >&6; }
+if test "${am_cv_CXX_dependencies_compiler_type+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+ # We make a subdir and do the tests there. Otherwise we can end up
+ # making bogus files that we don't know about and never remove. For
+ # instance it was reported that on HP-UX the gcc test will end up
+ # making a dummy file named `D' -- because `-MD' means `put the output
+ # in D'.
+ mkdir conftest.dir
+ # Copy depcomp to subdir because otherwise we won't find it if we're
+ # using a relative directory.
+ cp "$am_depcomp" conftest.dir
+ cd conftest.dir
+ # We will build objects and dependencies in a subdirectory because
+ # it helps to detect inapplicable dependency modes. For instance
+ # both Tru64's cc and ICC support -MD to output dependencies as a
+ # side effect of compilation, but ICC will put the dependencies in
+ # the current directory while Tru64 will put them in the object
+ # directory.
+ mkdir sub
+
+ am_cv_CXX_dependencies_compiler_type=none
+ if test "$am_compiler_list" = ""; then
+ am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+ fi
+ for depmode in $am_compiler_list; do
+ # Setup a source with many dependencies, because some compilers
+ # like to wrap large dependency lists on column 80 (with \), and
+ # we should not choose a depcomp mode which is confused by this.
+ #
+ # We need to recreate these files for each test, as the compiler may
+ # overwrite some of them when testing with obscure command lines.
+ # This happens at least with the AIX C compiler.
+ : > sub/conftest.c
+ for i in 1 2 3 4 5 6; do
+ echo '#include "conftst'$i'.h"' >> sub/conftest.c
+ # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
+ # Solaris 8's {/usr,}/bin/sh.
+ touch sub/conftst$i.h
+ done
+ echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+ case $depmode in
+ nosideeffect)
+ # after this tag, mechanisms are not by side-effect, so they'll
+ # only be used when explicitly requested
+ if test "x$enable_dependency_tracking" = xyes; then
+ continue
+ else
+ break
+ fi
+ ;;
+ none) break ;;
+ esac
+ # We check with `-c' and `-o' for the sake of the "dashmstdout"
+ # mode. It turns out that the SunPro C++ compiler does not properly
+ # handle `-M -o', and we need to detect this.
+ if depmode=$depmode \
+ source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
+ depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+ $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
+ >/dev/null 2>conftest.err &&
+ grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+ grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
+ ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+ # icc doesn't choke on unknown options, it will just issue warnings
+ # or remarks (even with -Werror). So we grep stderr for any message
+ # that says an option was ignored or not supported.
+ # When given -MP, icc 7.0 and 7.1 complain thusly:
+ # icc: Command line warning: ignoring option '-M'; no argument required
+ # The diagnosis changed in icc 8.0:
+ # icc: Command line remark: option '-MP' not supported
+ if (grep 'ignoring option' conftest.err ||
+ grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+ am_cv_CXX_dependencies_compiler_type=$depmode
+ break
+ fi
+ fi
+ done
+
+ cd ..
+ rm -rf conftest.dir
+else
+ am_cv_CXX_dependencies_compiler_type=none
+fi
+
+fi
+{ echo "$as_me:$LINENO: result: $am_cv_CXX_dependencies_compiler_type" >&5
+echo "${ECHO_T}$am_cv_CXX_dependencies_compiler_type" >&6; }
+CXXDEPMODE=depmode=$am_cv_CXX_dependencies_compiler_type
+
+
+
+if
+ test "x$enable_dependency_tracking" != xno \
+ && test "$am_cv_CXX_dependencies_compiler_type" = gcc3; then
+ am__fastdepCXX_TRUE=
+ am__fastdepCXX_FALSE='#'
+else
+ am__fastdepCXX_TRUE='#'
+ am__fastdepCXX_FALSE=
+fi
+
+
+
+
+if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
+ ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
+ (test "X$CXX" != "Xg++"))) ; then
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+{ echo "$as_me:$LINENO: checking how to run the C++ preprocessor" >&5
+echo $ECHO_N "checking how to run the C++ preprocessor... $ECHO_C" >&6; }
+if test -z "$CXXCPP"; then
+ if test "${ac_cv_prog_CXXCPP+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ # Double quotes because CXXCPP needs to be expanded
+ for CXXCPP in "$CXX -E" "/lib/cpp"
+ do
+ ac_preproc_ok=false
+for ac_cxx_preproc_warn_flag in '' yes
+do
+ # Use a header file that comes with gcc, so configuring glibc
+ # with a fresh cross-compiler works.
+ # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ # <limits.h> exists even on freestanding compilers.
+ # On the NeXT, cc -E runs the code through the compiler's parser,
+ # not just through cpp. "Syntax error" is here to catch this case.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+ Syntax error
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ # Broken: fails on valid input.
+continue
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+ # OK, works on sane cases. Now check whether nonexistent headers
+ # can be detected and how.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <ac_nonexistent.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ # Broken: success on invalid input.
+continue
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+ break
+fi
+
+ done
+ ac_cv_prog_CXXCPP=$CXXCPP
+
+fi
+ CXXCPP=$ac_cv_prog_CXXCPP
+else
+ ac_cv_prog_CXXCPP=$CXXCPP
+fi
+{ echo "$as_me:$LINENO: result: $CXXCPP" >&5
+echo "${ECHO_T}$CXXCPP" >&6; }
+ac_preproc_ok=false
+for ac_cxx_preproc_warn_flag in '' yes
+do
+ # Use a header file that comes with gcc, so configuring glibc
+ # with a fresh cross-compiler works.
+ # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ # <limits.h> exists even on freestanding compilers.
+ # On the NeXT, cc -E runs the code through the compiler's parser,
+ # not just through cpp. "Syntax error" is here to catch this case.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+ Syntax error
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ # Broken: fails on valid input.
+continue
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+ # OK, works on sane cases. Now check whether nonexistent headers
+ # can be detected and how.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <ac_nonexistent.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ # Broken: success on invalid input.
+continue
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+ :
+else
+ { { echo "$as_me:$LINENO: error: C++ preprocessor \"$CXXCPP\" fails sanity check
+See \`config.log' for more details." >&5
+echo "$as_me: error: C++ preprocessor \"$CXXCPP\" fails sanity check
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+fi
+
+
+ac_ext=f
+ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'
+ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_f77_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+ for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn
+ do
+ # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_F77+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$F77"; then
+ ac_cv_prog_F77="$F77" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_F77="$ac_tool_prefix$ac_prog"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+F77=$ac_cv_prog_F77
+if test -n "$F77"; then
+ { echo "$as_me:$LINENO: result: $F77" >&5
+echo "${ECHO_T}$F77" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+ test -n "$F77" && break
+ done
+fi
+if test -z "$F77"; then
+ ac_ct_F77=$F77
+ for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_F77+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_F77"; then
+ ac_cv_prog_ac_ct_F77="$ac_ct_F77" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_F77="$ac_prog"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_F77=$ac_cv_prog_ac_ct_F77
+if test -n "$ac_ct_F77"; then
+ { echo "$as_me:$LINENO: result: $ac_ct_F77" >&5
+echo "${ECHO_T}$ac_ct_F77" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+ test -n "$ac_ct_F77" && break
+done
+
+ if test "x$ac_ct_F77" = x; then
+ F77=""
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+ F77=$ac_ct_F77
+ fi
+fi
+
+
+# Provide some information about the compiler.
+echo "$as_me:$LINENO: checking for Fortran 77 compiler version" >&5
+ac_compiler=`set X $ac_compile; echo $2`
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compiler --version >&5") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compiler -v >&5") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compiler -V >&5") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+rm -f a.out
+
+# If we don't use `.F' as extension, the preprocessor is not run on the
+# input file. (Note that this only needs to work for GNU compilers.)
+ac_save_ext=$ac_ext
+ac_ext=F
+{ echo "$as_me:$LINENO: checking whether we are using the GNU Fortran 77 compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU Fortran 77 compiler... $ECHO_C" >&6; }
+if test "${ac_cv_f77_compiler_gnu+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+ program main
+#ifndef __GNUC__
+ choke me
+#endif
+
+ end
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_f77_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_compiler_gnu=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_compiler_gnu=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_f77_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_f77_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_f77_compiler_gnu" >&6; }
+ac_ext=$ac_save_ext
+ac_test_FFLAGS=${FFLAGS+set}
+ac_save_FFLAGS=$FFLAGS
+FFLAGS=
+{ echo "$as_me:$LINENO: checking whether $F77 accepts -g" >&5
+echo $ECHO_N "checking whether $F77 accepts -g... $ECHO_C" >&6; }
+if test "${ac_cv_prog_f77_g+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ FFLAGS=-g
+cat >conftest.$ac_ext <<_ACEOF
+ program main
+
+ end
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_f77_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_prog_f77_g=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_prog_f77_g=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_prog_f77_g" >&5
+echo "${ECHO_T}$ac_cv_prog_f77_g" >&6; }
+if test "$ac_test_FFLAGS" = set; then
+ FFLAGS=$ac_save_FFLAGS
+elif test $ac_cv_prog_f77_g = yes; then
+ if test "x$ac_cv_f77_compiler_gnu" = xyes; then
+ FFLAGS="-g -O2"
+ else
+ FFLAGS="-g"
+ fi
+else
+ if test "x$ac_cv_f77_compiler_gnu" = xyes; then
+ FFLAGS="-O2"
+ else
+ FFLAGS=
+ fi
+fi
+
+G77=`test $ac_compiler_gnu = yes && echo yes`
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
+# find the maximum length of command line arguments
+{ echo "$as_me:$LINENO: checking the maximum length of command line arguments" >&5
+echo $ECHO_N "checking the maximum length of command line arguments... $ECHO_C" >&6; }
+if test "${lt_cv_sys_max_cmd_len+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ i=0
+ teststring="ABCD"
+
+ case $build_os in
+ msdosdjgpp*)
+ # On DJGPP, this test can blow up pretty badly due to problems in libc
+ # (any single argument exceeding 2000 bytes causes a buffer overrun
+ # during glob expansion). Even if it were fixed, the result of this
+ # check would be larger than it should be.
+ lt_cv_sys_max_cmd_len=12288; # 12K is about right
+ ;;
+
+ gnu*)
+ # Under GNU Hurd, this test is not required because there is
+ # no limit to the length of command line arguments.
+ # Libtool will interpret -1 as no limit whatsoever
+ lt_cv_sys_max_cmd_len=-1;
+ ;;
+
+ cygwin* | mingw*)
+ # On Win9x/ME, this test blows up -- it succeeds, but takes
+ # about 5 minutes as the teststring grows exponentially.
+ # Worse, since 9x/ME are not pre-emptively multitasking,
+ # you end up with a "frozen" computer, even though with patience
+ # the test eventually succeeds (with a max line length of 256k).
+ # Instead, let's just punt: use the minimum linelength reported by
+ # all of the supported platforms: 8192 (on NT/2K/XP).
+ lt_cv_sys_max_cmd_len=8192;
+ ;;
+
+ amigaos*)
+ # On AmigaOS with pdksh, this test takes hours, literally.
+ # So we just punt and use a minimum line length of 8192.
+ lt_cv_sys_max_cmd_len=8192;
+ ;;
+
+ netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
+ # This has been around since 386BSD, at least. Likely further.
+ if test -x /sbin/sysctl; then
+ lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+ elif test -x /usr/sbin/sysctl; then
+ lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+ else
+ lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs
+ fi
+ # And add a safety zone
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+ ;;
+
+ interix*)
+ # We know the value 262144 and hardcode it with a safety zone (like BSD)
+ lt_cv_sys_max_cmd_len=196608
+ ;;
+
+ osf*)
+ # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+ # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+ # nice to cause kernel panics so lets avoid the loop below.
+ # First set a reasonable default.
+ lt_cv_sys_max_cmd_len=16384
+ #
+ if test -x /sbin/sysconfig; then
+ case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+ *1*) lt_cv_sys_max_cmd_len=-1 ;;
+ esac
+ fi
+ ;;
+ sco3.2v5*)
+ lt_cv_sys_max_cmd_len=102400
+ ;;
+ sysv5* | sco5v6* | sysv4.2uw2*)
+ kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+ if test -n "$kargmax"; then
+ lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'`
+ else
+ lt_cv_sys_max_cmd_len=32768
+ fi
+ ;;
+ *)
+ lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+ if test -n "$lt_cv_sys_max_cmd_len"; then
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+ else
+ SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+ while (test "X"`$SHELL $0 --fallback-echo "X$teststring" 2>/dev/null` \
+ = "XX$teststring") >/dev/null 2>&1 &&
+ new_result=`expr "X$teststring" : ".*" 2>&1` &&
+ lt_cv_sys_max_cmd_len=$new_result &&
+ test $i != 17 # 1/2 MB should be enough
+ do
+ i=`expr $i + 1`
+ teststring=$teststring$teststring
+ done
+ teststring=
+ # Add a significant safety factor because C++ compilers can tack on massive
+ # amounts of additional arguments before passing them to the linker.
+ # It appears as though 1/2 is a usable value.
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+ fi
+ ;;
+ esac
+
+fi
+
+if test -n $lt_cv_sys_max_cmd_len ; then
+ { echo "$as_me:$LINENO: result: $lt_cv_sys_max_cmd_len" >&5
+echo "${ECHO_T}$lt_cv_sys_max_cmd_len" >&6; }
+else
+ { echo "$as_me:$LINENO: result: none" >&5
+echo "${ECHO_T}none" >&6; }
+fi
+
+
+
+
+
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+{ echo "$as_me:$LINENO: checking command to parse $NM output from $compiler object" >&5
+echo $ECHO_N "checking command to parse $NM output from $compiler object... $ECHO_C" >&6; }
+if test "${lt_cv_sys_global_symbol_pipe+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix. What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[BCDEGRST]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
+
+# Transform an extracted symbol line into a proper C declaration
+lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern int \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode \([^ ]*\) \([^ ]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'"
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+ symcode='[BCDT]'
+ ;;
+cygwin* | mingw* | pw32*)
+ symcode='[ABCDGISTW]'
+ ;;
+hpux*) # Its linker distinguishes data from code symbols
+ if test "$host_cpu" = ia64; then
+ symcode='[ABCDEGRST]'
+ fi
+ lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+ lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'"
+ ;;
+linux* | k*bsd*-gnu)
+ if test "$host_cpu" = ia64; then
+ symcode='[ABCDGIRSTW]'
+ lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+ lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'"
+ fi
+ ;;
+irix* | nonstopux*)
+ symcode='[BCDEGRST]'
+ ;;
+osf*)
+ symcode='[BCDEGQRST]'
+ ;;
+solaris*)
+ symcode='[BDRT]'
+ ;;
+sco3.2v5*)
+ symcode='[DT]'
+ ;;
+sysv4.2uw2*)
+ symcode='[DT]'
+ ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+ symcode='[ABDT]'
+ ;;
+sysv4)
+ symcode='[DFNSTU]'
+ ;;
+esac
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+ opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+ ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+ symcode='[ABCDGIRSTW]' ;;
+esac
+
+# Try without a prefix undercore, then with it.
+for ac_symprfx in "" "_"; do
+
+ # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+ symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+ # Write the raw and C identifiers.
+ lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+
+ # Check to see that the pipe works correctly.
+ pipe_works=no
+
+ rm -f conftest*
+ cat > conftest.$ac_ext <<EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+EOF
+
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ # Now try to grab the symbols.
+ nlist=conftest.nm
+ if { (eval echo "$as_me:$LINENO: \"$NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist\"") >&5
+ (eval $NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && test -s "$nlist"; then
+ # Try sorting and uniquifying the output.
+ if sort "$nlist" | uniq > "$nlist"T; then
+ mv -f "$nlist"T "$nlist"
+ else
+ rm -f "$nlist"T
+ fi
+
+ # Make sure that we snagged all the symbols we need.
+ if grep ' nm_test_var$' "$nlist" >/dev/null; then
+ if grep ' nm_test_func$' "$nlist" >/dev/null; then
+ cat <<EOF > conftest.$ac_ext
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+EOF
+ # Now generate the symbol file.
+ eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | grep -v main >> conftest.$ac_ext'
+
+ cat <<EOF >> conftest.$ac_ext
+#if defined (__STDC__) && __STDC__
+# define lt_ptr_t void *
+#else
+# define lt_ptr_t char *
+# define const
+#endif
+
+/* The mapping between symbol names and symbols. */
+const struct {
+ const char *name;
+ lt_ptr_t address;
+}
+lt_preloaded_symbols[] =
+{
+EOF
+ $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (lt_ptr_t) \&\2},/" < "$nlist" | grep -v main >> conftest.$ac_ext
+ cat <<\EOF >> conftest.$ac_ext
+ {0, (lt_ptr_t) 0}
+};
+
+#ifdef __cplusplus
+}
+#endif
+EOF
+ # Now try linking the two files.
+ mv conftest.$ac_objext conftstm.$ac_objext
+ lt_save_LIBS="$LIBS"
+ lt_save_CFLAGS="$CFLAGS"
+ LIBS="conftstm.$ac_objext"
+ CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag"
+ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && test -s conftest${ac_exeext}; then
+ pipe_works=yes
+ fi
+ LIBS="$lt_save_LIBS"
+ CFLAGS="$lt_save_CFLAGS"
+ else
+ echo "cannot find nm_test_func in $nlist" >&5
+ fi
+ else
+ echo "cannot find nm_test_var in $nlist" >&5
+ fi
+ else
+ echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5
+ fi
+ else
+ echo "$progname: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ fi
+ rm -rf conftest* conftst*
+
+ # Do not use the global_symbol_pipe unless it works.
+ if test "$pipe_works" = yes; then
+ break
+ else
+ lt_cv_sys_global_symbol_pipe=
+ fi
+done
+
+fi
+
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+ lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+ { echo "$as_me:$LINENO: result: failed" >&5
+echo "${ECHO_T}failed" >&6; }
+else
+ { echo "$as_me:$LINENO: result: ok" >&5
+echo "${ECHO_T}ok" >&6; }
+fi
+
+{ echo "$as_me:$LINENO: checking for objdir" >&5
+echo $ECHO_N "checking for objdir... $ECHO_C" >&6; }
+if test "${lt_cv_objdir+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+ lt_cv_objdir=.libs
+else
+ # MS-DOS does not allow filenames that begin with a dot.
+ lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_objdir" >&5
+echo "${ECHO_T}$lt_cv_objdir" >&6; }
+objdir=$lt_cv_objdir
+
+
+
+
+
+case $host_os in
+aix3*)
+ # AIX sometimes has problems with the GCC collect2 program. For some
+ # reason, if we set the COLLECT_NAMES environment variable, the problems
+ # vanish in a puff of smoke.
+ if test "X${COLLECT_NAMES+set}" != Xset; then
+ COLLECT_NAMES=
+ export COLLECT_NAMES
+ fi
+ ;;
+esac
+
+# Sed substitution that helps us do robust quoting. It backslashifies
+# metacharacters that are still active within double-quoted strings.
+Xsed='sed -e 1s/^X//'
+sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+
+# Constants:
+rm="rm -f"
+
+# Global variables:
+default_ofile=libtool
+can_build_shared=yes
+
+# All known linkers require a `.a' archive for static linking (except MSVC,
+# which needs '.lib').
+libext=a
+ltmain="$ac_aux_dir/ltmain.sh"
+ofile="$default_ofile"
+with_gnu_ld="$lt_cv_prog_gnu_ld"
+
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ar; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_AR+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$AR"; then
+ ac_cv_prog_AR="$AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_AR="${ac_tool_prefix}ar"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+AR=$ac_cv_prog_AR
+if test -n "$AR"; then
+ { echo "$as_me:$LINENO: result: $AR" >&5
+echo "${ECHO_T}$AR" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_AR"; then
+ ac_ct_AR=$AR
+ # Extract the first word of "ar", so it can be a program name with args.
+set dummy ar; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_AR+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_AR"; then
+ ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_AR="ar"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_AR=$ac_cv_prog_ac_ct_AR
+if test -n "$ac_ct_AR"; then
+ { echo "$as_me:$LINENO: result: $ac_ct_AR" >&5
+echo "${ECHO_T}$ac_ct_AR" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+ if test "x$ac_ct_AR" = x; then
+ AR="false"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+ AR=$ac_ct_AR
+ fi
+else
+ AR="$ac_cv_prog_AR"
+fi
+
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ranlib; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_RANLIB+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$RANLIB"; then
+ ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+RANLIB=$ac_cv_prog_RANLIB
+if test -n "$RANLIB"; then
+ { echo "$as_me:$LINENO: result: $RANLIB" >&5
+echo "${ECHO_T}$RANLIB" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_RANLIB"; then
+ ac_ct_RANLIB=$RANLIB
+ # Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_RANLIB"; then
+ ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_RANLIB="ranlib"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
+if test -n "$ac_ct_RANLIB"; then
+ { echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
+echo "${ECHO_T}$ac_ct_RANLIB" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+ if test "x$ac_ct_RANLIB" = x; then
+ RANLIB=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+ RANLIB=$ac_ct_RANLIB
+ fi
+else
+ RANLIB="$ac_cv_prog_RANLIB"
+fi
+
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_STRIP+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$STRIP"; then
+ ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+ { echo "$as_me:$LINENO: result: $STRIP" >&5
+echo "${ECHO_T}$STRIP" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+ ac_ct_STRIP=$STRIP
+ # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_STRIP"; then
+ ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_STRIP="strip"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+ { echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5
+echo "${ECHO_T}$ac_ct_STRIP" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+ if test "x$ac_ct_STRIP" = x; then
+ STRIP=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+ STRIP=$ac_ct_STRIP
+ fi
+else
+ STRIP="$ac_cv_prog_STRIP"
+fi
+
+
+old_CC="$CC"
+old_CFLAGS="$CFLAGS"
+
+# Set sane defaults for various variables
+test -z "$AR" && AR=ar
+test -z "$AR_FLAGS" && AR_FLAGS=cru
+test -z "$AS" && AS=as
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+test -z "$LD" && LD=ld
+test -z "$LN_S" && LN_S="ln -s"
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+test -z "$NM" && NM=nm
+test -z "$SED" && SED=sed
+test -z "$OBJDUMP" && OBJDUMP=objdump
+test -z "$RANLIB" && RANLIB=:
+test -z "$STRIP" && STRIP=:
+test -z "$ac_objext" && ac_objext=o
+
+# Determine commands to create old-style static archives.
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
+old_postinstall_cmds='chmod 644 $oldlib'
+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+ case $host_os in
+ openbsd*)
+ old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
+ ;;
+ *)
+ old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
+ ;;
+ esac
+ old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
+fi
+
+for cc_temp in $compiler""; do
+ case $cc_temp in
+ compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+ distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+ \-*) ;;
+ *) break;;
+ esac
+done
+cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+
+
+# Only perform the check for file, if the check method requires it
+case $deplibs_check_method in
+file_magic*)
+ if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+ { echo "$as_me:$LINENO: checking for ${ac_tool_prefix}file" >&5
+echo $ECHO_N "checking for ${ac_tool_prefix}file... $ECHO_C" >&6; }
+if test "${lt_cv_path_MAGIC_CMD+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ case $MAGIC_CMD in
+[\\/*] | ?:[\\/]*)
+ lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+ ;;
+*)
+ lt_save_MAGIC_CMD="$MAGIC_CMD"
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
+ for ac_dir in $ac_dummy; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ if test -f $ac_dir/${ac_tool_prefix}file; then
+ lt_cv_path_MAGIC_CMD="$ac_dir/${ac_tool_prefix}file"
+ if test -n "$file_magic_test_file"; then
+ case $deplibs_check_method in
+ "file_magic "*)
+ file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+ MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+ if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+ $EGREP "$file_magic_regex" > /dev/null; then
+ :
+ else
+ cat <<EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such. This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem. Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+EOF
+ fi ;;
+ esac
+ fi
+ break
+ fi
+ done
+ IFS="$lt_save_ifs"
+ MAGIC_CMD="$lt_save_MAGIC_CMD"
+ ;;
+esac
+fi
+
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+ { echo "$as_me:$LINENO: result: $MAGIC_CMD" >&5
+echo "${ECHO_T}$MAGIC_CMD" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+ if test -n "$ac_tool_prefix"; then
+ { echo "$as_me:$LINENO: checking for file" >&5
+echo $ECHO_N "checking for file... $ECHO_C" >&6; }
+if test "${lt_cv_path_MAGIC_CMD+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ case $MAGIC_CMD in
+[\\/*] | ?:[\\/]*)
+ lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+ ;;
+*)
+ lt_save_MAGIC_CMD="$MAGIC_CMD"
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
+ for ac_dir in $ac_dummy; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ if test -f $ac_dir/file; then
+ lt_cv_path_MAGIC_CMD="$ac_dir/file"
+ if test -n "$file_magic_test_file"; then
+ case $deplibs_check_method in
+ "file_magic "*)
+ file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+ MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+ if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+ $EGREP "$file_magic_regex" > /dev/null; then
+ :
+ else
+ cat <<EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such. This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem. Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+EOF
+ fi ;;
+ esac
+ fi
+ break
+ fi
+ done
+ IFS="$lt_save_ifs"
+ MAGIC_CMD="$lt_save_MAGIC_CMD"
+ ;;
+esac
+fi
+
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+ { echo "$as_me:$LINENO: result: $MAGIC_CMD" >&5
+echo "${ECHO_T}$MAGIC_CMD" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+ else
+ MAGIC_CMD=:
+ fi
+fi
+
+ fi
+ ;;
+esac
+
+
+ case $host_os in
+ rhapsody* | darwin*)
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dsymutil; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_DSYMUTIL+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$DSYMUTIL"; then
+ ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+DSYMUTIL=$ac_cv_prog_DSYMUTIL
+if test -n "$DSYMUTIL"; then
+ { echo "$as_me:$LINENO: result: $DSYMUTIL" >&5
+echo "${ECHO_T}$DSYMUTIL" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_DSYMUTIL"; then
+ ac_ct_DSYMUTIL=$DSYMUTIL
+ # Extract the first word of "dsymutil", so it can be a program name with args.
+set dummy dsymutil; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_DSYMUTIL+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_DSYMUTIL"; then
+ ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_DSYMUTIL="dsymutil"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL
+if test -n "$ac_ct_DSYMUTIL"; then
+ { echo "$as_me:$LINENO: result: $ac_ct_DSYMUTIL" >&5
+echo "${ECHO_T}$ac_ct_DSYMUTIL" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+ if test "x$ac_ct_DSYMUTIL" = x; then
+ DSYMUTIL=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+ DSYMUTIL=$ac_ct_DSYMUTIL
+ fi
+else
+ DSYMUTIL="$ac_cv_prog_DSYMUTIL"
+fi
+
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args.
+set dummy ${ac_tool_prefix}nmedit; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_NMEDIT+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$NMEDIT"; then
+ ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+NMEDIT=$ac_cv_prog_NMEDIT
+if test -n "$NMEDIT"; then
+ { echo "$as_me:$LINENO: result: $NMEDIT" >&5
+echo "${ECHO_T}$NMEDIT" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_NMEDIT"; then
+ ac_ct_NMEDIT=$NMEDIT
+ # Extract the first word of "nmedit", so it can be a program name with args.
+set dummy nmedit; ac_word=$2
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_NMEDIT+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_NMEDIT"; then
+ ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_NMEDIT="nmedit"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT
+if test -n "$ac_ct_NMEDIT"; then
+ { echo "$as_me:$LINENO: result: $ac_ct_NMEDIT" >&5
+echo "${ECHO_T}$ac_ct_NMEDIT" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+ if test "x$ac_ct_NMEDIT" = x; then
+ NMEDIT=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet. If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+ NMEDIT=$ac_ct_NMEDIT
+ fi
+else
+ NMEDIT="$ac_cv_prog_NMEDIT"
+fi
+
+
+ { echo "$as_me:$LINENO: checking for -single_module linker flag" >&5
+echo $ECHO_N "checking for -single_module linker flag... $ECHO_C" >&6; }
+if test "${lt_cv_apple_cc_single_mod+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_apple_cc_single_mod=no
+ if test -z "${LT_MULTI_MODULE}"; then
+ # By default we will add the -single_module flag. You can override
+ # by either setting the environment variable LT_MULTI_MODULE
+ # non-empty at configure time, or by adding -multi_module to the
+ # link flags.
+ echo "int foo(void){return 1;}" > conftest.c
+ $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+ -dynamiclib ${wl}-single_module conftest.c
+ if test -f libconftest.dylib; then
+ lt_cv_apple_cc_single_mod=yes
+ rm -rf libconftest.dylib*
+ fi
+ rm conftest.c
+ fi
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_apple_cc_single_mod" >&5
+echo "${ECHO_T}$lt_cv_apple_cc_single_mod" >&6; }
+ { echo "$as_me:$LINENO: checking for -exported_symbols_list linker flag" >&5
+echo $ECHO_N "checking for -exported_symbols_list linker flag... $ECHO_C" >&6; }
+if test "${lt_cv_ld_exported_symbols_list+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_ld_exported_symbols_list=no
+ save_LDFLAGS=$LDFLAGS
+ echo "_main" > conftest.sym
+ LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ lt_cv_ld_exported_symbols_list=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ lt_cv_ld_exported_symbols_list=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+ LDFLAGS="$save_LDFLAGS"
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_ld_exported_symbols_list" >&5
+echo "${ECHO_T}$lt_cv_ld_exported_symbols_list" >&6; }
+ case $host_os in
+ rhapsody* | darwin1.[0123])
+ _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
+ darwin1.*)
+ _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+ darwin*)
+ # if running on 10.5 or later, the deployment target defaults
+ # to the OS version, if on x86, and 10.4, the deployment
+ # target defaults to 10.4. Don't you love it?
+ case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
+ 10.0,*86*-darwin8*|10.0,*-darwin[91]*)
+ _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+ 10.[012]*)
+ _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+ 10.*)
+ _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+ esac
+ ;;
+ esac
+ if test "$lt_cv_apple_cc_single_mod" = "yes"; then
+ _lt_dar_single_mod='$single_module'
+ fi
+ if test "$lt_cv_ld_exported_symbols_list" = "yes"; then
+ _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym'
+ else
+ _lt_dar_export_syms="~$NMEDIT -s \$output_objdir/\${libname}-symbols.expsym \${lib}"
+ fi
+ if test "$DSYMUTIL" != ":"; then
+ _lt_dsymutil="~$DSYMUTIL \$lib || :"
+ else
+ _lt_dsymutil=
+ fi
+ ;;
+ esac
+
+
+enable_dlopen=yes
+enable_win32_dll=no
+
+# Check whether --enable-libtool-lock was given.
+if test "${enable_libtool_lock+set}" = set; then
+ enableval=$enable_libtool_lock;
+fi
+
+test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
+
+
+# Check whether --with-pic was given.
+if test "${with_pic+set}" = set; then
+ withval=$with_pic; pic_mode="$withval"
+else
+ pic_mode=default
+fi
+
+test -z "$pic_mode" && pic_mode=default
+
+# Use C for the default configuration in the libtool script
+tagname=
+lt_save_CC="$CC"
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+objext=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+
+# save warnings/boilerplate of simple test code
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$rm conftest*
+
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$rm -r conftest*
+
+
+
+lt_prog_compiler_no_builtin_flag=
+
+if test "$GCC" = yes; then
+ lt_prog_compiler_no_builtin_flag=' -fno-builtin'
+
+
+{ echo "$as_me:$LINENO: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
+echo $ECHO_N "checking if $compiler supports -fno-rtti -fno-exceptions... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_rtti_exceptions+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_rtti_exceptions=no
+ ac_outfile=conftest.$ac_objext
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+ lt_compiler_flag="-fno-rtti -fno-exceptions"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ # The option is referenced via a variable to avoid confusing sed.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:7555: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>conftest.err)
+ ac_status=$?
+ cat conftest.err >&5
+ echo "$as_me:7559: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s "$ac_outfile"; then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings other than the usual output.
+ $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_rtti_exceptions=yes
+ fi
+ fi
+ $rm conftest*
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_rtti_exceptions" >&6; }
+
+if test x"$lt_cv_prog_compiler_rtti_exceptions" = xyes; then
+ lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions"
+else
+ :
+fi
+
+fi
+
+lt_prog_compiler_wl=
+lt_prog_compiler_pic=
+lt_prog_compiler_static=
+
+{ echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5
+echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6; }
+
+ if test "$GCC" = yes; then
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_static='-static'
+
+ case $host_os in
+ aix*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ lt_prog_compiler_static='-Bstatic'
+ fi
+ ;;
+
+ amigaos*)
+ # FIXME: we need at least 68020 code to build shared libraries, but
+ # adding the `-m68020' flag to GCC prevents building anything better,
+ # like `-m68040'.
+ lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4'
+ ;;
+
+ beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+ # PIC is the default for these OSes.
+ ;;
+
+ mingw* | cygwin* | pw32* | os2*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ # Although the cygwin gcc ignores -fPIC, still need this for old-style
+ # (--disable-auto-import) libraries
+ lt_prog_compiler_pic='-DDLL_EXPORT'
+ ;;
+
+ darwin* | rhapsody*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ lt_prog_compiler_pic='-fno-common'
+ ;;
+
+ interix[3-9]*)
+ # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+ # Instead, we relocate shared libraries at runtime.
+ ;;
+
+ msdosdjgpp*)
+ # Just because we use GCC doesn't mean we suddenly get shared libraries
+ # on systems that don't support them.
+ lt_prog_compiler_can_build_shared=no
+ enable_shared=no
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ lt_prog_compiler_pic=-Kconform_pic
+ fi
+ ;;
+
+ hpux*)
+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+ # not for PA HP-UX.
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ lt_prog_compiler_pic='-fPIC'
+ ;;
+ esac
+ ;;
+
+ *)
+ lt_prog_compiler_pic='-fPIC'
+ ;;
+ esac
+ else
+ # PORTME Check for flag to pass linker flags through the system compiler.
+ case $host_os in
+ aix*)
+ lt_prog_compiler_wl='-Wl,'
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ lt_prog_compiler_static='-Bstatic'
+ else
+ lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp'
+ fi
+ ;;
+ darwin*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ case $cc_basename in
+ xlc*)
+ lt_prog_compiler_pic='-qnocommon'
+ lt_prog_compiler_wl='-Wl,'
+ ;;
+ esac
+ ;;
+
+ mingw* | cygwin* | pw32* | os2*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ lt_prog_compiler_pic='-DDLL_EXPORT'
+ ;;
+
+ hpux9* | hpux10* | hpux11*)
+ lt_prog_compiler_wl='-Wl,'
+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+ # not for PA HP-UX.
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ lt_prog_compiler_pic='+Z'
+ ;;
+ esac
+ # Is there a better lt_prog_compiler_static that works with the bundled CC?
+ lt_prog_compiler_static='${wl}-a ${wl}archive'
+ ;;
+
+ irix5* | irix6* | nonstopux*)
+ lt_prog_compiler_wl='-Wl,'
+ # PIC (with -KPIC) is the default.
+ lt_prog_compiler_static='-non_shared'
+ ;;
+
+ newsos6)
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+
+ linux* | k*bsd*-gnu)
+ case $cc_basename in
+ icc* | ecc*)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-static'
+ ;;
+ pgcc* | pgf77* | pgf90* | pgf95*)
+ # Portland Group compilers (*not* the Pentium gcc compiler,
+ # which looks to be a dead project)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='-fpic'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+ ccc*)
+ lt_prog_compiler_wl='-Wl,'
+ # All Alpha code is PIC.
+ lt_prog_compiler_static='-non_shared'
+ ;;
+ *)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C 5.9
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ lt_prog_compiler_wl='-Wl,'
+ ;;
+ *Sun\ F*)
+ # Sun Fortran 8.3 passes all unrecognized flags to the linker
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ lt_prog_compiler_wl=''
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+
+ osf3* | osf4* | osf5*)
+ lt_prog_compiler_wl='-Wl,'
+ # All OSF/1 code is PIC.
+ lt_prog_compiler_static='-non_shared'
+ ;;
+
+ rdos*)
+ lt_prog_compiler_static='-non_shared'
+ ;;
+
+ solaris*)
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ case $cc_basename in
+ f77* | f90* | f95*)
+ lt_prog_compiler_wl='-Qoption ld ';;
+ *)
+ lt_prog_compiler_wl='-Wl,';;
+ esac
+ ;;
+
+ sunos4*)
+ lt_prog_compiler_wl='-Qoption ld '
+ lt_prog_compiler_pic='-PIC'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+
+ sysv4 | sysv4.2uw2* | sysv4.3*)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec ;then
+ lt_prog_compiler_pic='-Kconform_pic'
+ lt_prog_compiler_static='-Bstatic'
+ fi
+ ;;
+
+ sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+
+ unicos*)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_can_build_shared=no
+ ;;
+
+ uts4*)
+ lt_prog_compiler_pic='-pic'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+
+ *)
+ lt_prog_compiler_can_build_shared=no
+ ;;
+ esac
+ fi
+
+{ echo "$as_me:$LINENO: result: $lt_prog_compiler_pic" >&5
+echo "${ECHO_T}$lt_prog_compiler_pic" >&6; }
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$lt_prog_compiler_pic"; then
+
+{ echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5
+echo $ECHO_N "checking if $compiler PIC flag $lt_prog_compiler_pic works... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_pic_works+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_pic_works=no
+ ac_outfile=conftest.$ac_objext
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+ lt_compiler_flag="$lt_prog_compiler_pic -DPIC"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ # The option is referenced via a variable to avoid confusing sed.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:7845: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>conftest.err)
+ ac_status=$?
+ cat conftest.err >&5
+ echo "$as_me:7849: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s "$ac_outfile"; then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings other than the usual output.
+ $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_pic_works=yes
+ fi
+ fi
+ $rm conftest*
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_pic_works" >&6; }
+
+if test x"$lt_cv_prog_compiler_pic_works" = xyes; then
+ case $lt_prog_compiler_pic in
+ "" | " "*) ;;
+ *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;;
+ esac
+else
+ lt_prog_compiler_pic=
+ lt_prog_compiler_can_build_shared=no
+fi
+
+fi
+case $host_os in
+ # For platforms which do not support PIC, -DPIC is meaningless:
+ *djgpp*)
+ lt_prog_compiler_pic=
+ ;;
+ *)
+ lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC"
+ ;;
+esac
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\"
+{ echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5
+echo $ECHO_N "checking if $compiler static flag $lt_tmp_static_flag works... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_static_works+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_static_works=no
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
+ echo "$lt_simple_link_test_code" > conftest.$ac_ext
+ if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+ # The linker can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ if test -s conftest.err; then
+ # Append any errors to the config.log.
+ cat conftest.err 1>&5
+ $echo "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_static_works=yes
+ fi
+ else
+ lt_cv_prog_compiler_static_works=yes
+ fi
+ fi
+ $rm -r conftest*
+ LDFLAGS="$save_LDFLAGS"
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_static_works" >&6; }
+
+if test x"$lt_cv_prog_compiler_static_works" = xyes; then
+ :
+else
+ lt_prog_compiler_static=
+fi
+
+
+{ echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
+echo $ECHO_N "checking if $compiler supports -c -o file.$ac_objext... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_c_o+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_c_o=no
+ $rm -r conftest 2>/dev/null
+ mkdir conftest
+ cd conftest
+ mkdir out
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ lt_compiler_flag="-o out/conftest2.$ac_objext"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:7949: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>out/conftest.err)
+ ac_status=$?
+ cat out/conftest.err >&5
+ echo "$as_me:7953: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s out/conftest2.$ac_objext
+ then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+ $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+ if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_c_o=yes
+ fi
+ fi
+ chmod u+w . 2>&5
+ $rm conftest*
+ # SGI C++ compiler will create directory out/ii_files/ for
+ # template instantiation
+ test -d out/ii_files && $rm out/ii_files/* && rmdir out/ii_files
+ $rm out/* && rmdir out
+ cd ..
+ rmdir conftest
+ $rm conftest*
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_c_o" >&6; }
+
+
+hard_links="nottested"
+if test "$lt_cv_prog_compiler_c_o" = no && test "$need_locks" != no; then
+ # do not overwrite the value of need_locks provided by the user
+ { echo "$as_me:$LINENO: checking if we can lock with hard links" >&5
+echo $ECHO_N "checking if we can lock with hard links... $ECHO_C" >&6; }
+ hard_links=yes
+ $rm conftest*
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ touch conftest.a
+ ln conftest.a conftest.b 2>&5 || hard_links=no
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ { echo "$as_me:$LINENO: result: $hard_links" >&5
+echo "${ECHO_T}$hard_links" >&6; }
+ if test "$hard_links" = no; then
+ { echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
+echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;}
+ need_locks=warn
+ fi
+else
+ need_locks=no
+fi
+
+{ echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared libraries... $ECHO_C" >&6; }
+
+ runpath_var=
+ allow_undefined_flag=
+ enable_shared_with_static_runtimes=no
+ archive_cmds=
+ archive_expsym_cmds=
+ old_archive_From_new_cmds=
+ old_archive_from_expsyms_cmds=
+ export_dynamic_flag_spec=
+ whole_archive_flag_spec=
+ thread_safe_flag_spec=
+ hardcode_libdir_flag_spec=
+ hardcode_libdir_flag_spec_ld=
+ hardcode_libdir_separator=
+ hardcode_direct=no
+ hardcode_minus_L=no
+ hardcode_shlibpath_var=unsupported
+ link_all_deplibs=unknown
+ hardcode_automatic=no
+ module_cmds=
+ module_expsym_cmds=
+ always_export_symbols=no
+ export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+ # include_expsyms should be a list of space-separated symbols to be *always*
+ # included in the symbol list
+ include_expsyms=
+ # exclude_expsyms can be an extended regexp of symbols to exclude
+ # it will be wrapped by ` (' and `)$', so one must not match beginning or
+ # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+ # as well as any symbol that contains `d'.
+ exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
+ # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+ # platforms (ab)use it in PIC code, but their linkers get confused if
+ # the symbol is explicitly referenced. Since portable code cannot
+ # rely on this symbol name, it's probably fine to never include it in
+ # preloaded symbol tables.
+ # Exclude shared library initialization/finalization symbols.
+ extract_expsyms_cmds=
+ # Just being paranoid about ensuring that cc_basename is set.
+ for cc_temp in $compiler""; do
+ case $cc_temp in
+ compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+ distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+ \-*) ;;
+ *) break;;
+ esac
+done
+cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+
+ case $host_os in
+ cygwin* | mingw* | pw32*)
+ # FIXME: the MSVC++ port hasn't been tested in a loooong time
+ # When not using gcc, we currently assume that we are using
+ # Microsoft Visual C++.
+ if test "$GCC" != yes; then
+ with_gnu_ld=no
+ fi
+ ;;
+ interix*)
+ # we just hope/assume this is gcc and not c89 (= MSVC++)
+ with_gnu_ld=yes
+ ;;
+ openbsd*)
+ with_gnu_ld=no
+ ;;
+ esac
+
+ ld_shlibs=yes
+ if test "$with_gnu_ld" = yes; then
+ # If archive_cmds runs LD, not CC, wlarc should be empty
+ wlarc='${wl}'
+
+ # Set some defaults for GNU ld with shared library support. These
+ # are reset later if shared libraries are not supported. Putting them
+ # here allows them to be overridden if necessary.
+ runpath_var=LD_RUN_PATH
+ hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
+ export_dynamic_flag_spec='${wl}--export-dynamic'
+ # ancient GNU ld didn't support --whole-archive et. al.
+ if $LD --help 2>&1 | grep 'no-whole-archive' > /dev/null; then
+ whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+ else
+ whole_archive_flag_spec=
+ fi
+ supports_anon_versioning=no
+ case `$LD -v 2>/dev/null` in
+ *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11
+ *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+ *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+ *\ 2.11.*) ;; # other 2.11 versions
+ *) supports_anon_versioning=yes ;;
+ esac
+
+ # See if GNU ld supports shared libraries.
+ case $host_os in
+ aix[3-9]*)
+ # On AIX/PPC, the GNU linker is very broken
+ if test "$host_cpu" != ia64; then
+ ld_shlibs=no
+ cat <<EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.9.1, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support. If you
+*** really care for shared libraries, you may want to modify your PATH
+*** so that a non-GNU linker is found, and then restart.
+
+EOF
+ fi
+ ;;
+
+ amigaos*)
+ archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_minus_L=yes
+
+ # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
+ # that the semantics of dynamic libraries on AmigaOS, at least up
+ # to version 4, is to share data among multiple programs linked
+ # with the same dynamic library. Since this doesn't match the
+ # behavior of shared libraries on other platforms, we can't use
+ # them.
+ ld_shlibs=no
+ ;;
+
+ beos*)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ allow_undefined_flag=unsupported
+ # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+ # support --undefined. This deserves some investigation. FIXME
+ archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ else
+ ld_shlibs=no
+ fi
+ ;;
+
+ cygwin* | mingw* | pw32*)
+ # _LT_AC_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless,
+ # as there is no search path for DLLs.
+ hardcode_libdir_flag_spec='-L$libdir'
+ allow_undefined_flag=unsupported
+ always_export_symbols=no
+ enable_shared_with_static_runtimes=yes
+ export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/'\'' -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
+
+ if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ # If the export-symbols file already is a .def file (1st line
+ # is EXPORTS), use it as is; otherwise, prepend...
+ archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+ cp $export_symbols $output_objdir/$soname.def;
+ else
+ echo EXPORTS > $output_objdir/$soname.def;
+ cat $export_symbols >> $output_objdir/$soname.def;
+ fi~
+ $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ else
+ ld_shlibs=no
+ fi
+ ;;
+
+ interix[3-9]*)
+ hardcode_direct=no
+ hardcode_shlibpath_var=no
+ hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+ export_dynamic_flag_spec='${wl}-E'
+ # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+ # Instead, shared libraries are loaded at an image base (0x10000000 by
+ # default) and relocated if they conflict, which is a slow very memory
+ # consuming and fragmenting process. To avoid this, we pick a random,
+ # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+ # time. Moving up from 0x10000000 also allows more sbrk(2) space.
+ archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ ;;
+
+ gnu* | linux* | k*bsd*-gnu)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ tmp_addflag=
+ case $cc_basename,$host_cpu in
+ pgcc*) # Portland Group C compiler
+ whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_addflag=' $pic_flag'
+ ;;
+ pgf77* | pgf90* | pgf95*) # Portland Group f77 and f90 compilers
+ whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_addflag=' $pic_flag -Mnomain' ;;
+ ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64
+ tmp_addflag=' -i_dynamic' ;;
+ efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64
+ tmp_addflag=' -i_dynamic -nofor_main' ;;
+ ifc* | ifort*) # Intel Fortran compiler
+ tmp_addflag=' -nofor_main' ;;
+ esac
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*) # Sun C 5.9
+ whole_archive_flag_spec='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_sharedflag='-G' ;;
+ *Sun\ F*) # Sun Fortran 8.3
+ tmp_sharedflag='-G' ;;
+ *)
+ tmp_sharedflag='-shared' ;;
+ esac
+ archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+ if test $supports_anon_versioning = yes; then
+ archive_expsym_cmds='$echo "{ global:" > $output_objdir/$libname.ver~
+ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+ $echo "local: *; };" >> $output_objdir/$libname.ver~
+ $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+ fi
+ link_all_deplibs=no
+ else
+ ld_shlibs=no
+ fi
+ ;;
+
+ netbsd* | netbsdelf*-gnu)
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+ wlarc=
+ else
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ fi
+ ;;
+
+ solaris*)
+ if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
+ ld_shlibs=no
+ cat <<EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems. Therefore, libtool
+*** is disabling shared libraries support. We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer. Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+EOF
+ elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ ld_shlibs=no
+ fi
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+ case `$LD -v 2>&1` in
+ *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
+ ld_shlibs=no
+ cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems. Therefore, libtool
+*** is disabling shared libraries support. We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer. Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+ ;;
+ *)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib'
+ archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname,-retain-symbols-file,$export_symbols -o $lib'
+ else
+ ld_shlibs=no
+ fi
+ ;;
+ esac
+ ;;
+
+ sunos4*)
+ archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ wlarc=
+ hardcode_direct=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ *)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ ld_shlibs=no
+ fi
+ ;;
+ esac
+
+ if test "$ld_shlibs" = no; then
+ runpath_var=
+ hardcode_libdir_flag_spec=
+ export_dynamic_flag_spec=
+ whole_archive_flag_spec=
+ fi
+ else
+ # PORTME fill in a description of your system's linker (not GNU ld)
+ case $host_os in
+ aix3*)
+ allow_undefined_flag=unsupported
+ always_export_symbols=yes
+ archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+ # Note: this linker hardcodes the directories in LIBPATH if there
+ # are no directories specified by -L.
+ hardcode_minus_L=yes
+ if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+ # Neither direct hardcoding nor static linking is supported with a
+ # broken collect2.
+ hardcode_direct=unsupported
+ fi
+ ;;
+
+ aix[4-9]*)
+ if test "$host_cpu" = ia64; then
+ # On IA64, the linker does run time linking by default, so we don't
+ # have to do anything special.
+ aix_use_runtimelinking=no
+ exp_sym_flag='-Bexport'
+ no_entry_flag=""
+ else
+ # If we're using GNU nm, then we don't want the "-C" option.
+ # -C means demangle to AIX nm, but means don't demangle with GNU nm
+ if $NM -V 2>&1 | grep 'GNU' > /dev/null; then
+ export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$2 == "T") || (\$2 == "D") || (\$2 == "B")) && (substr(\$3,1,1) != ".")) { print \$3 } }'\'' | sort -u > $export_symbols'
+ else
+ export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$2 == "T") || (\$2 == "D") || (\$2 == "B")) && (substr(\$3,1,1) != ".")) { print \$3 } }'\'' | sort -u > $export_symbols'
+ fi
+ aix_use_runtimelinking=no
+
+ # Test if we are trying to use run time linking or normal
+ # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+ # need to do runtime linking.
+ case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
+ for ld_flag in $LDFLAGS; do
+ if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+ aix_use_runtimelinking=yes
+ break
+ fi
+ done
+ ;;
+ esac
+
+ exp_sym_flag='-bexport'
+ no_entry_flag='-bnoentry'
+ fi
+
+ # When large executables or shared objects are built, AIX ld can
+ # have problems creating the table of contents. If linking a library
+ # or program results in "error TOC overflow" add -mminimal-toc to
+ # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
+ # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+ archive_cmds=''
+ hardcode_direct=yes
+ hardcode_libdir_separator=':'
+ link_all_deplibs=yes
+
+ if test "$GCC" = yes; then
+ case $host_os in aix4.[012]|aix4.[012].*)
+ # We only want to do this on AIX 4.2 and lower, the check
+ # below for broken collect2 doesn't work under 4.3+
+ collect2name=`${CC} -print-prog-name=collect2`
+ if test -f "$collect2name" && \
+ strings "$collect2name" | grep resolve_lib_name >/dev/null
+ then
+ # We have reworked collect2
+ :
+ else
+ # We have old collect2
+ hardcode_direct=unsupported
+ # It fails to find uninstalled libraries when the uninstalled
+ # path is not listed in the libpath. Setting hardcode_minus_L
+ # to unsupported forces relinking
+ hardcode_minus_L=yes
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_libdir_separator=
+ fi
+ ;;
+ esac
+ shared_flag='-shared'
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag="$shared_flag "'${wl}-G'
+ fi
+ else
+ # not using gcc
+ if test "$host_cpu" = ia64; then
+ # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+ # chokes on -Wl,-G. The following line is correct:
+ shared_flag='-G'
+ else
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag='${wl}-G'
+ else
+ shared_flag='${wl}-bM:SRE'
+ fi
+ fi
+ fi
+
+ # It seems that -bexpall does not export symbols beginning with
+ # underscore (_), so it is better to generate a list of symbols to export.
+ always_export_symbols=yes
+ if test "$aix_use_runtimelinking" = yes; then
+ # Warning - without using the other runtime loading flags (-brtl),
+ # -berok will link without error, but may produce a broken library.
+ allow_undefined_flag='-berok'
+ # Determine the default libpath from the value encoded in an empty executable.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+
+lt_aix_libpath_sed='
+ /Import File Strings/,/^$/ {
+ /^0/ {
+ s/^0 *\(.*\)$/\1/
+ p
+ }
+ }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+ aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+ hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+ archive_expsym_cmds="\$CC"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+ else
+ if test "$host_cpu" = ia64; then
+ hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
+ allow_undefined_flag="-z nodefs"
+ archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+ else
+ # Determine the default libpath from the value encoded in an empty executable.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+
+lt_aix_libpath_sed='
+ /Import File Strings/,/^$/ {
+ /^0/ {
+ s/^0 *\(.*\)$/\1/
+ p
+ }
+ }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+ aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+ hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+ # Warning - without using the other run time loading flags,
+ # -berok will link without error, but may produce a broken library.
+ no_undefined_flag=' ${wl}-bernotok'
+ allow_undefined_flag=' ${wl}-berok'
+ # Exported symbols can be pulled into shared objects from archives
+ whole_archive_flag_spec='$convenience'
+ archive_cmds_need_lc=yes
+ # This is similar to how AIX traditionally builds its shared libraries.
+ archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+ fi
+ fi
+ ;;
+
+ amigaos*)
+ archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_minus_L=yes
+ # see comment about different semantics on the GNU ld section
+ ld_shlibs=no
+ ;;
+
+ bsdi[45]*)
+ export_dynamic_flag_spec=-rdynamic
+ ;;
+
+ cygwin* | mingw* | pw32*)
+ # When not using gcc, we currently assume that we are using
+ # Microsoft Visual C++.
+ # hardcode_libdir_flag_spec is actually meaningless, as there is
+ # no search path for DLLs.
+ hardcode_libdir_flag_spec=' '
+ allow_undefined_flag=unsupported
+ # Tell ltmain to make .lib files, not .a files.
+ libext=lib
+ # Tell ltmain to make .dll files, not .so files.
+ shrext_cmds=".dll"
+ # FIXME: Setting linknames here is a bad hack.
+ archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll~linknames='
+ # The linker will automatically build a .lib file if we build a DLL.
+ old_archive_From_new_cmds='true'
+ # FIXME: Should let the user specify the lib program.
+ old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs'
+ fix_srcfile_path='`cygpath -w "$srcfile"`'
+ enable_shared_with_static_runtimes=yes
+ ;;
+
+ darwin* | rhapsody*)
+ case $host_os in
+ rhapsody* | darwin1.[012])
+ allow_undefined_flag='${wl}-undefined ${wl}suppress'
+ ;;
+ *) # Darwin 1.3 on
+ if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then
+ allow_undefined_flag='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
+ else
+ case ${MACOSX_DEPLOYMENT_TARGET} in
+ 10.[012])
+ allow_undefined_flag='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
+ ;;
+ 10.*)
+ allow_undefined_flag='${wl}-undefined ${wl}dynamic_lookup'
+ ;;
+ esac
+ fi
+ ;;
+ esac
+ archive_cmds_need_lc=no
+ hardcode_direct=no
+ hardcode_automatic=yes
+ hardcode_shlibpath_var=unsupported
+ whole_archive_flag_spec=''
+ link_all_deplibs=yes
+ if test "$GCC" = yes ; then
+ output_verbose_link_cmd='echo'
+ archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+ module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+ archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+ module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+ else
+ case $cc_basename in
+ xlc*)
+ output_verbose_link_cmd='echo'
+ archive_cmds='$CC -qmkshrobj $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}`echo $rpath/$soname` $xlcverstring'
+ module_cmds='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags'
+ # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin lds
+ archive_expsym_cmds='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -qmkshrobj $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}$rpath/$soname $xlcverstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ module_expsym_cmds='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ ;;
+ *)
+ ld_shlibs=no
+ ;;
+ esac
+ fi
+ ;;
+
+ dgux*)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_shlibpath_var=no
+ ;;
+
+ freebsd1*)
+ ld_shlibs=no
+ ;;
+
+ # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+ # support. Future versions do this automatically, but an explicit c++rt0.o
+ # does not break anything, and helps significantly (at the cost of a little
+ # extra space).
+ freebsd2.2*)
+ archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+ hardcode_libdir_flag_spec='-R$libdir'
+ hardcode_direct=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+ freebsd2*)
+ archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct=yes
+ hardcode_minus_L=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+ freebsd* | dragonfly*)
+ archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
+ hardcode_libdir_flag_spec='-R$libdir'
+ hardcode_direct=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ hpux9*)
+ if test "$GCC" = yes; then
+ archive_cmds='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ else
+ archive_cmds='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ fi
+ hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator=:
+ hardcode_direct=yes
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ hardcode_minus_L=yes
+ export_dynamic_flag_spec='${wl}-E'
+ ;;
+
+ hpux10*)
+ if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+ archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+ fi
+ if test "$with_gnu_ld" = no; then
+ hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator=:
+
+ hardcode_direct=yes
+ export_dynamic_flag_spec='${wl}-E'
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ hardcode_minus_L=yes
+ fi
+ ;;
+
+ hpux11*)
+ if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+ case $host_cpu in
+ hppa*64*)
+ archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ ia64*)
+ archive_cmds='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ else
+ case $host_cpu in
+ hppa*64*)
+ archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ ia64*)
+ archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ fi
+ if test "$with_gnu_ld" = no; then
+ hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator=:
+
+ case $host_cpu in
+ hppa*64*|ia64*)
+ hardcode_libdir_flag_spec_ld='+b $libdir'
+ hardcode_direct=no
+ hardcode_shlibpath_var=no
+ ;;
+ *)
+ hardcode_direct=yes
+ export_dynamic_flag_spec='${wl}-E'
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ hardcode_minus_L=yes
+ ;;
+ esac
+ fi
+ ;;
+
+ irix5* | irix6* | nonstopux*)
+ if test "$GCC" = yes; then
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ hardcode_libdir_flag_spec_ld='-rpath $libdir'
+ fi
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator=:
+ link_all_deplibs=yes
+ ;;
+
+ netbsd* | netbsdelf*-gnu)
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
+ else
+ archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
+ fi
+ hardcode_libdir_flag_spec='-R$libdir'
+ hardcode_direct=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ newsos6)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct=yes
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator=:
+ hardcode_shlibpath_var=no
+ ;;
+
+ openbsd*)
+ if test -f /usr/libexec/ld.so; then
+ hardcode_direct=yes
+ hardcode_shlibpath_var=no
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+ hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+ export_dynamic_flag_spec='${wl}-E'
+ else
+ case $host_os in
+ openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
+ archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec='-R$libdir'
+ ;;
+ *)
+ archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+ ;;
+ esac
+ fi
+ else
+ ld_shlibs=no
+ fi
+ ;;
+
+ os2*)
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_minus_L=yes
+ allow_undefined_flag=unsupported
+ archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+ old_archive_From_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+ ;;
+
+ osf3*)
+ if test "$GCC" = yes; then
+ allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
+ archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ allow_undefined_flag=' -expect_unresolved \*'
+ archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ fi
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator=:
+ ;;
+
+ osf4* | osf5*) # as osf3* with the addition of -msym flag
+ if test "$GCC" = yes; then
+ allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
+ archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ else
+ allow_undefined_flag=' -expect_unresolved \*'
+ archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
+ $LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib~$rm $lib.exp'
+
+ # Both c and cxx compiler support -rpath directly
+ hardcode_libdir_flag_spec='-rpath $libdir'
+ fi
+ hardcode_libdir_separator=:
+ ;;
+
+ solaris*)
+ no_undefined_flag=' -z text'
+ if test "$GCC" = yes; then
+ wlarc='${wl}'
+ archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
+ else
+ wlarc=''
+ archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
+ fi
+ hardcode_libdir_flag_spec='-R$libdir'
+ hardcode_shlibpath_var=no
+ case $host_os in
+ solaris2.[0-5] | solaris2.[0-5].*) ;;
+ *)
+ # The compiler driver will combine and reorder linker options,
+ # but understands `-z linker_flag'. GCC discards it without `$wl',
+ # but is careful enough not to reorder.
+ # Supported since Solaris 2.6 (maybe 2.5.1?)
+ if test "$GCC" = yes; then
+ whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+ else
+ whole_archive_flag_spec='-z allextract$convenience -z defaultextract'
+ fi
+ ;;
+ esac
+ link_all_deplibs=yes
+ ;;
+
+ sunos4*)
+ if test "x$host_vendor" = xsequent; then
+ # Use $CC to link under sequent, because it throws in some extra .o
+ # files that make .init and .fini sections work.
+ archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+ fi
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_direct=yes
+ hardcode_minus_L=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ sysv4)
+ case $host_vendor in
+ sni)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct=yes # is this really true???
+ ;;
+ siemens)
+ ## LD is ld it makes a PLAMLIB
+ ## CC just makes a GrossModule.
+ archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+ reload_cmds='$CC -r -o $output$reload_objs'
+ hardcode_direct=no
+ ;;
+ motorola)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct=no #Motorola manual says yes, but my tests say they lie
+ ;;
+ esac
+ runpath_var='LD_RUN_PATH'
+ hardcode_shlibpath_var=no
+ ;;
+
+ sysv4.3*)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_shlibpath_var=no
+ export_dynamic_flag_spec='-Bexport'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_shlibpath_var=no
+ runpath_var=LD_RUN_PATH
+ hardcode_runpath_var=yes
+ ld_shlibs=yes
+ fi
+ ;;
+
+ sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
+ no_undefined_flag='${wl}-z,text'
+ archive_cmds_need_lc=no
+ hardcode_shlibpath_var=no
+ runpath_var='LD_RUN_PATH'
+
+ if test "$GCC" = yes; then
+ archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6*)
+ # Note: We can NOT use -z defs as we might desire, because we do not
+ # link with -lc, and that would cause any symbols used from libc to
+ # always be unresolved, which means just about no library would
+ # ever link correctly. If we're not using GNU ld we use -z text
+ # though, which does catch some bad symbols but isn't as heavy-handed
+ # as -z defs.
+ no_undefined_flag='${wl}-z,text'
+ allow_undefined_flag='${wl}-z,nodefs'
+ archive_cmds_need_lc=no
+ hardcode_shlibpath_var=no
+ hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
+ hardcode_libdir_separator=':'
+ link_all_deplibs=yes
+ export_dynamic_flag_spec='${wl}-Bexport'
+ runpath_var='LD_RUN_PATH'
+
+ if test "$GCC" = yes; then
+ archive_cmds='$CC -shared ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds='$CC -G ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
+ ;;
+
+ uts4*)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_shlibpath_var=no
+ ;;
+
+ *)
+ ld_shlibs=no
+ ;;
+ esac
+ fi
+
+{ echo "$as_me:$LINENO: result: $ld_shlibs" >&5
+echo "${ECHO_T}$ld_shlibs" >&6; }
+test "$ld_shlibs" = no && can_build_shared=no
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$archive_cmds_need_lc" in
+x|xyes)
+ # Assume -lc should be added
+ archive_cmds_need_lc=yes
+
+ if test "$enable_shared" = yes && test "$GCC" = yes; then
+ case $archive_cmds in
+ *'~'*)
+ # FIXME: we may have to deal with multi-command sequences.
+ ;;
+ '$CC '*)
+ # Test whether the compiler implicitly links with -lc since on some
+ # systems, -lgcc has to come before -lc. If gcc already passes -lc
+ # to ld, don't add -lc before -lgcc.
+ { echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5
+echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >&6; }
+ $rm conftest*
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } 2>conftest.err; then
+ soname=conftest
+ lib=conftest
+ libobjs=conftest.$ac_objext
+ deplibs=
+ wl=$lt_prog_compiler_wl
+ pic_flag=$lt_prog_compiler_pic
+ compiler_flags=-v
+ linker_flags=-v
+ verstring=
+ output_objdir=.
+ libname=conftest
+ lt_save_allow_undefined_flag=$allow_undefined_flag
+ allow_undefined_flag=
+ if { (eval echo "$as_me:$LINENO: \"$archive_cmds 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1\"") >&5
+ (eval $archive_cmds 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+ then
+ archive_cmds_need_lc=no
+ else
+ archive_cmds_need_lc=yes
+ fi
+ allow_undefined_flag=$lt_save_allow_undefined_flag
+ else
+ cat conftest.err 1>&5
+ fi
+ $rm conftest*
+ { echo "$as_me:$LINENO: result: $archive_cmds_need_lc" >&5
+echo "${ECHO_T}$archive_cmds_need_lc" >&6; }
+ ;;
+ esac
+ fi
+ ;;
+esac
+
+{ echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5
+echo $ECHO_N "checking dynamic linker characteristics... $ECHO_C" >&6; }
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+
+if test "$GCC" = yes; then
+ case $host_os in
+ darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
+ *) lt_awk_arg="/^libraries:/" ;;
+ esac
+ lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+ if echo "$lt_search_path_spec" | grep ';' >/dev/null ; then
+ # if the path contains ";" then we assume it to be the separator
+ # otherwise default to the standard path separator (i.e. ":") - it is
+ # assumed that no part of a normal pathname contains ";" but that should
+ # okay in the real world where ";" in dirpaths is itself problematic.
+ lt_search_path_spec=`echo "$lt_search_path_spec" | $SED -e 's/;/ /g'`
+ else
+ lt_search_path_spec=`echo "$lt_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+ fi
+ # Ok, now we have the path, separated by spaces, we can step through it
+ # and add multilib dir if necessary.
+ lt_tmp_lt_search_path_spec=
+ lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+ for lt_sys_path in $lt_search_path_spec; do
+ if test -d "$lt_sys_path/$lt_multi_os_dir"; then
+ lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
+ else
+ test -d "$lt_sys_path" && \
+ lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+ fi
+ done
+ lt_search_path_spec=`echo $lt_tmp_lt_search_path_spec | awk '
+BEGIN {RS=" "; FS="/|\n";} {
+ lt_foo="";
+ lt_count=0;
+ for (lt_i = NF; lt_i > 0; lt_i--) {
+ if ($lt_i != "" && $lt_i != ".") {
+ if ($lt_i == "..") {
+ lt_count++;
+ } else {
+ if (lt_count == 0) {
+ lt_foo="/" $lt_i lt_foo;
+ } else {
+ lt_count--;
+ }
+ }
+ }
+ }
+ if (lt_foo != "") { lt_freq[lt_foo]++; }
+ if (lt_freq[lt_foo] == 1) { print lt_foo; }
+}'`
+ sys_lib_search_path_spec=`echo $lt_search_path_spec`
+else
+ sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+ shlibpath_var=LIBPATH
+
+ # AIX 3 has no versioning support, so we append a major version to the name.
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+
+aix[4-9]*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ hardcode_into_libs=yes
+ if test "$host_cpu" = ia64; then
+ # AIX 5 supports IA64
+ library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ else
+ # With GCC up to 2.95.x, collect2 would create an import file
+ # for dependence libraries. The import file would start with
+ # the line `#! .'. This would cause the generated library to
+ # depend on `.', always an invalid library. This was fixed in
+ # development snapshots of GCC prior to 3.0.
+ case $host_os in
+ aix4 | aix4.[01] | aix4.[01].*)
+ if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+ echo ' yes '
+ echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then
+ :
+ else
+ can_build_shared=no
+ fi
+ ;;
+ esac
+ # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+ # soname into executable. Probably we can add versioning support to
+ # collect2, so additional links can be useful in future.
+ if test "$aix_use_runtimelinking" = yes; then
+ # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+ # instead of lib<name>.a to let people know that these are not
+ # typical AIX shared libraries.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ else
+ # We preserve .a as extension for shared libraries through AIX4.2
+ # and later when we are not doing run time linking.
+ library_names_spec='${libname}${release}.a $libname.a'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ fi
+ shlibpath_var=LIBPATH
+ fi
+ ;;
+
+amigaos*)
+ library_names_spec='$libname.ixlibrary $libname.a'
+ # Create ${libname}_ixlibrary.a entries in /sys/libs.
+ finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+ ;;
+
+beos*)
+ library_names_spec='${libname}${shared_ext}'
+ dynamic_linker="$host_os ld.so"
+ shlibpath_var=LIBRARY_PATH
+ ;;
+
+bsdi[45]*)
+ version_type=linux
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+ sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+ # the default ld.so.conf also contains /usr/contrib/lib and
+ # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+ # libtool to hard-code these into programs
+ ;;
+
+cygwin* | mingw* | pw32*)
+ version_type=windows
+ shrext_cmds=".dll"
+ need_version=no
+ need_lib_prefix=no
+
+ case $GCC,$host_os in
+ yes,cygwin* | yes,mingw* | yes,pw32*)
+ library_names_spec='$libname.dll.a'
+ # DLL is installed to $(libdir)/../bin by postinstall_cmds
+ postinstall_cmds='base_file=`basename \${file}`~
+ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i;echo \$dlname'\''`~
+ dldir=$destdir/`dirname \$dlpath`~
+ test -d \$dldir || mkdir -p \$dldir~
+ $install_prog $dir/$dlname \$dldir/$dlname~
+ chmod a+x \$dldir/$dlname'
+ postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+ dlpath=$dir/\$dldll~
+ $rm \$dlpath'
+ shlibpath_overrides_runpath=yes
+
+ case $host_os in
+ cygwin*)
+ # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+ soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
+ ;;
+ mingw*)
+ # MinGW DLLs use traditional 'lib' prefix
+ soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+ if echo "$sys_lib_search_path_spec" | grep ';[c-zC-Z]:/' >/dev/null; then
+ # It is most probably a Windows format PATH printed by
+ # mingw gcc, but we are running on Cygwin. Gcc prints its search
+ # path with ; separators, and with drive letters. We can handle the
+ # drive letters (cygwin fileutils understands them), so leave them,
+ # especially as we might pass files found there to a mingw objdump,
+ # which wouldn't understand a cygwinified path. Ahh.
+ sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+ else
+ sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+ fi
+ ;;
+ pw32*)
+ # pw32 DLLs use 'pw' prefix rather than 'lib'
+ library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ ;;
+ esac
+ ;;
+
+ *)
+ library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib'
+ ;;
+ esac
+ dynamic_linker='Win32 ld.exe'
+ # FIXME: first we should search . and the directory the executable is in
+ shlibpath_var=PATH
+ ;;
+
+darwin* | rhapsody*)
+ dynamic_linker="$host_os dyld"
+ version_type=darwin
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${versuffix}$shared_ext ${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+ soname_spec='${libname}${release}${major}$shared_ext'
+ shlibpath_overrides_runpath=yes
+ shlibpath_var=DYLD_LIBRARY_PATH
+ shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"
+ sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+ ;;
+
+dgux*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+freebsd1*)
+ dynamic_linker=no
+ ;;
+
+freebsd* | dragonfly*)
+ # DragonFly does not have aout. When/if they implement a new
+ # versioning mechanism, adjust this.
+ if test -x /usr/bin/objformat; then
+ objformat=`/usr/bin/objformat`
+ else
+ case $host_os in
+ freebsd[123]*) objformat=aout ;;
+ *) objformat=elf ;;
+ esac
+ fi
+ version_type=freebsd-$objformat
+ case $version_type in
+ freebsd-elf*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ need_version=no
+ need_lib_prefix=no
+ ;;
+ freebsd-*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+ need_version=yes
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_os in
+ freebsd2*)
+ shlibpath_overrides_runpath=yes
+ ;;
+ freebsd3.[01]* | freebsdelf3.[01]*)
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
+ freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+ *) # from 4.6 on, and DragonFly
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ esac
+ ;;
+
+gnu*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ hardcode_into_libs=yes
+ ;;
+
+hpux9* | hpux10* | hpux11*)
+ # Give a soname corresponding to the major version so that dld.sl refuses to
+ # link against other versions.
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ case $host_cpu in
+ ia64*)
+ shrext_cmds='.so'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.so"
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ if test "X$HPUX_IA64_MODE" = X32; then
+ sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+ else
+ sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+ fi
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ hppa*64*)
+ shrext_cmds='.sl'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ *)
+ shrext_cmds='.sl'
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=SHLIB_PATH
+ shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+ esac
+ # HP-UX runs *really* slowly unless shared libraries are mode 555.
+ postinstall_cmds='chmod 555 $lib'
+ ;;
+
+interix[3-9]*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+
+irix5* | irix6* | nonstopux*)
+ case $host_os in
+ nonstopux*) version_type=nonstopux ;;
+ *)
+ if test "$lt_cv_prog_gnu_ld" = yes; then
+ version_type=linux
+ else
+ version_type=irix
+ fi ;;
+ esac
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+ case $host_os in
+ irix5* | nonstopux*)
+ libsuff= shlibsuff=
+ ;;
+ *)
+ case $LD in # libtool.m4 will add one of these switches to LD
+ *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+ libsuff= shlibsuff= libmagic=32-bit;;
+ *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+ libsuff=32 shlibsuff=N32 libmagic=N32;;
+ *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+ libsuff=64 shlibsuff=64 libmagic=64-bit;;
+ *) libsuff= shlibsuff= libmagic=never-match;;
+ esac
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+ sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+ hardcode_into_libs=yes
+ ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+ dynamic_linker=no
+ ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ # This implies no fast_install, which is unacceptable.
+ # Some rework will be needed to allow for fast_install
+ # before this can be enabled.
+ hardcode_into_libs=yes
+
+ # Append ld.so.conf contents to the search path
+ if test -f /etc/ld.so.conf; then
+ lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
+ sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+ fi
+
+ # We used to test for /lib/ld.so.1 and disable shared libraries on
+ # powerpc, because MkLinux only supported shared libraries with the
+ # GNU dynamic linker. Since this was broken with cross compilers,
+ # most powerpc-linux boxes support dynamic linking these days and
+ # people can always --disable-shared, the test was removed, and we
+ # assume the GNU/Linux dynamic linker is in use.
+ dynamic_linker='GNU/Linux ld.so'
+ ;;
+
+netbsdelf*-gnu)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ dynamic_linker='NetBSD ld.elf_so'
+ ;;
+
+netbsd*)
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ dynamic_linker='NetBSD (a.out) ld.so'
+ else
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='NetBSD ld.elf_so'
+ fi
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+
+newsos6)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ ;;
+
+nto-qnx*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ ;;
+
+openbsd*)
+ version_type=sunos
+ sys_lib_dlsearch_path_spec="/usr/lib"
+ need_lib_prefix=no
+ # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+ case $host_os in
+ openbsd3.3 | openbsd3.3.*) need_version=yes ;;
+ *) need_version=no ;;
+ esac
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ case $host_os in
+ openbsd2.[89] | openbsd2.[89].*)
+ shlibpath_overrides_runpath=no
+ ;;
+ *)
+ shlibpath_overrides_runpath=yes
+ ;;
+ esac
+ else
+ shlibpath_overrides_runpath=yes
+ fi
+ ;;
+
+os2*)
+ libname_spec='$name'
+ shrext_cmds=".dll"
+ need_lib_prefix=no
+ library_names_spec='$libname${shared_ext} $libname.a'
+ dynamic_linker='OS/2 ld.exe'
+ shlibpath_var=LIBPATH
+ ;;
+
+osf3* | osf4* | osf5*)
+ version_type=osf
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+ sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+ ;;
+
+rdos*)
+ dynamic_linker=no
+ ;;
+
+solaris*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ # ldd complains unless libraries are executable
+ postinstall_cmds='chmod +x $lib'
+ ;;
+
+sunos4*)
+ version_type=sunos
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ if test "$with_gnu_ld" = yes; then
+ need_lib_prefix=no
+ fi
+ need_version=yes
+ ;;
+
+sysv4 | sysv4.3*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_vendor in
+ sni)
+ shlibpath_overrides_runpath=no
+ need_lib_prefix=no
+ export_dynamic_flag_spec='${wl}-Blargedynsym'
+ runpath_var=LD_RUN_PATH
+ ;;
+ siemens)
+ need_lib_prefix=no
+ ;;
+ motorola)
+ need_lib_prefix=no
+ need_version=no
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+ ;;
+ esac
+ ;;
+
+sysv4*MP*)
+ if test -d /usr/nec ;then
+ version_type=linux
+ library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+ soname_spec='$libname${shared_ext}.$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ fi
+ ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+ version_type=freebsd-elf
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ hardcode_into_libs=yes
+ if test "$with_gnu_ld" = yes; then
+ sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+ shlibpath_overrides_runpath=no
+ else
+ sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+ shlibpath_overrides_runpath=yes
+ case $host_os in
+ sco3.2v5*)
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+ ;;
+ esac
+ fi
+ sys_lib_dlsearch_path_spec='/usr/lib'
+ ;;
+
+uts4*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+*)
+ dynamic_linker=no
+ ;;
+esac
+{ echo "$as_me:$LINENO: result: $dynamic_linker" >&5
+echo "${ECHO_T}$dynamic_linker" >&6; }
+test "$dynamic_linker" = no && can_build_shared=no
+
+if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_sys_lib_search_path_spec="$sys_lib_search_path_spec"
+fi
+
+sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec"
+fi
+
+sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+ variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+{ echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5
+echo $ECHO_N "checking how to hardcode library paths into programs... $ECHO_C" >&6; }
+hardcode_action=
+if test -n "$hardcode_libdir_flag_spec" || \
+ test -n "$runpath_var" || \
+ test "X$hardcode_automatic" = "Xyes" ; then
+
+ # We can hardcode non-existant directories.
+ if test "$hardcode_direct" != no &&
+ # If the only mechanism to avoid hardcoding is shlibpath_var, we
+ # have to relink, otherwise we might link with an installed library
+ # when we should be linking with a yet-to-be-installed one
+ ## test "$_LT_AC_TAGVAR(hardcode_shlibpath_var, )" != no &&
+ test "$hardcode_minus_L" != no; then
+ # Linking always hardcodes the temporary library directory.
+ hardcode_action=relink
+ else
+ # We can link without hardcoding, and we can hardcode nonexisting dirs.
+ hardcode_action=immediate
+ fi
+else
+ # We cannot hardcode anything, or else we can only hardcode existing
+ # directories.
+ hardcode_action=unsupported
+fi
+{ echo "$as_me:$LINENO: result: $hardcode_action" >&5
+echo "${ECHO_T}$hardcode_action" >&6; }
+
+if test "$hardcode_action" = relink; then
+ # Fast installation is not supported
+ enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+ test "$enable_shared" = no; then
+ # Fast installation is not necessary
+ enable_fast_install=needless
+fi
+
+striplib=
+old_striplib=
+{ echo "$as_me:$LINENO: checking whether stripping libraries is possible" >&5
+echo $ECHO_N "checking whether stripping libraries is possible... $ECHO_C" >&6; }
+if test -n "$STRIP" && $STRIP -V 2>&1 | grep "GNU strip" >/dev/null; then
+ test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
+ test -z "$striplib" && striplib="$STRIP --strip-unneeded"
+ { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+# FIXME - insert some real tests, host_os isn't really good enough
+ case $host_os in
+ darwin*)
+ if test -n "$STRIP" ; then
+ striplib="$STRIP -x"
+ old_striplib="$STRIP -S"
+ { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+ else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+ ;;
+ *)
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+ ;;
+ esac
+fi
+
+if test "x$enable_dlopen" != xyes; then
+ enable_dlopen=unknown
+ enable_dlopen_self=unknown
+ enable_dlopen_self_static=unknown
+else
+ lt_cv_dlopen=no
+ lt_cv_dlopen_libs=
+
+ case $host_os in
+ beos*)
+ lt_cv_dlopen="load_add_on"
+ lt_cv_dlopen_libs=
+ lt_cv_dlopen_self=yes
+ ;;
+
+ mingw* | pw32*)
+ lt_cv_dlopen="LoadLibrary"
+ lt_cv_dlopen_libs=
+ ;;
+
+ cygwin*)
+ lt_cv_dlopen="dlopen"
+ lt_cv_dlopen_libs=
+ ;;
+
+ darwin*)
+ # if libdl is installed we need to link against it
+ { echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5
+echo $ECHO_N "checking for dlopen in -ldl... $ECHO_C" >&6; }
+if test "${ac_cv_lib_dl_dlopen+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldl $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ ac_cv_lib_dl_dlopen=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_lib_dl_dlopen=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5
+echo "${ECHO_T}$ac_cv_lib_dl_dlopen" >&6; }
+if test $ac_cv_lib_dl_dlopen = yes; then
+ lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
+else
+
+ lt_cv_dlopen="dyld"
+ lt_cv_dlopen_libs=
+ lt_cv_dlopen_self=yes
+
+fi
+
+ ;;
+
+ *)
+ { echo "$as_me:$LINENO: checking for shl_load" >&5
+echo $ECHO_N "checking for shl_load... $ECHO_C" >&6; }
+if test "${ac_cv_func_shl_load+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define shl_load to an innocuous variant, in case <limits.h> declares shl_load.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define shl_load innocuous_shl_load
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char shl_load (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef shl_load
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char shl_load ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub_shl_load || defined __stub___shl_load
+choke me
+#endif
+
+int
+main ()
+{
+return shl_load ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ ac_cv_func_shl_load=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_func_shl_load=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_shl_load" >&5
+echo "${ECHO_T}$ac_cv_func_shl_load" >&6; }
+if test $ac_cv_func_shl_load = yes; then
+ lt_cv_dlopen="shl_load"
+else
+ { echo "$as_me:$LINENO: checking for shl_load in -ldld" >&5
+echo $ECHO_N "checking for shl_load in -ldld... $ECHO_C" >&6; }
+if test "${ac_cv_lib_dld_shl_load+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldld $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char shl_load ();
+int
+main ()
+{
+return shl_load ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ ac_cv_lib_dld_shl_load=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_lib_dld_shl_load=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_dld_shl_load" >&5
+echo "${ECHO_T}$ac_cv_lib_dld_shl_load" >&6; }
+if test $ac_cv_lib_dld_shl_load = yes; then
+ lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
+else
+ { echo "$as_me:$LINENO: checking for dlopen" >&5
+echo $ECHO_N "checking for dlopen... $ECHO_C" >&6; }
+if test "${ac_cv_func_dlopen+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define dlopen to an innocuous variant, in case <limits.h> declares dlopen.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define dlopen innocuous_dlopen
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char dlopen (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef dlopen
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub_dlopen || defined __stub___dlopen
+choke me
+#endif
+
+int
+main ()
+{
+return dlopen ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ ac_cv_func_dlopen=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_func_dlopen=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_dlopen" >&5
+echo "${ECHO_T}$ac_cv_func_dlopen" >&6; }
+if test $ac_cv_func_dlopen = yes; then
+ lt_cv_dlopen="dlopen"
+else
+ { echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5
+echo $ECHO_N "checking for dlopen in -ldl... $ECHO_C" >&6; }
+if test "${ac_cv_lib_dl_dlopen+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldl $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ ac_cv_lib_dl_dlopen=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_lib_dl_dlopen=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5
+echo "${ECHO_T}$ac_cv_lib_dl_dlopen" >&6; }
+if test $ac_cv_lib_dl_dlopen = yes; then
+ lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
+else
+ { echo "$as_me:$LINENO: checking for dlopen in -lsvld" >&5
+echo $ECHO_N "checking for dlopen in -lsvld... $ECHO_C" >&6; }
+if test "${ac_cv_lib_svld_dlopen+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lsvld $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ ac_cv_lib_svld_dlopen=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_lib_svld_dlopen=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_svld_dlopen" >&5
+echo "${ECHO_T}$ac_cv_lib_svld_dlopen" >&6; }
+if test $ac_cv_lib_svld_dlopen = yes; then
+ lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"
+else
+ { echo "$as_me:$LINENO: checking for dld_link in -ldld" >&5
+echo $ECHO_N "checking for dld_link in -ldld... $ECHO_C" >&6; }
+if test "${ac_cv_lib_dld_dld_link+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldld $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dld_link ();
+int
+main ()
+{
+return dld_link ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ ac_cv_lib_dld_dld_link=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_lib_dld_dld_link=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_dld_dld_link" >&5
+echo "${ECHO_T}$ac_cv_lib_dld_dld_link" >&6; }
+if test $ac_cv_lib_dld_dld_link = yes; then
+ lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+ ;;
+ esac
+
+ if test "x$lt_cv_dlopen" != xno; then
+ enable_dlopen=yes
+ else
+ enable_dlopen=no
+ fi
+
+ case $lt_cv_dlopen in
+ dlopen)
+ save_CPPFLAGS="$CPPFLAGS"
+ test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+ save_LDFLAGS="$LDFLAGS"
+ wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+ save_LIBS="$LIBS"
+ LIBS="$lt_cv_dlopen_libs $LIBS"
+
+ { echo "$as_me:$LINENO: checking whether a program can dlopen itself" >&5
+echo $ECHO_N "checking whether a program can dlopen itself... $ECHO_C" >&6; }
+if test "${lt_cv_dlopen_self+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test "$cross_compiling" = yes; then :
+ lt_cv_dlopen_self=cross
+else
+ lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+ lt_status=$lt_dlunknown
+ cat > conftest.$ac_ext <<EOF
+#line 10326 "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+# define LT_DLGLOBAL RTLD_GLOBAL
+#else
+# ifdef DL_GLOBAL
+# define LT_DLGLOBAL DL_GLOBAL
+# else
+# define LT_DLGLOBAL 0
+# endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+ find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+# ifdef RTLD_LAZY
+# define LT_DLLAZY_OR_NOW RTLD_LAZY
+# else
+# ifdef DL_LAZY
+# define LT_DLLAZY_OR_NOW DL_LAZY
+# else
+# ifdef RTLD_NOW
+# define LT_DLLAZY_OR_NOW RTLD_NOW
+# else
+# ifdef DL_NOW
+# define LT_DLLAZY_OR_NOW DL_NOW
+# else
+# define LT_DLLAZY_OR_NOW 0
+# endif
+# endif
+# endif
+# endif
+#endif
+
+#ifdef __cplusplus
+extern "C" void exit (int);
+#endif
+
+void fnord() { int i=42;}
+int main ()
+{
+ void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+ int status = $lt_dlunknown;
+
+ if (self)
+ {
+ if (dlsym (self,"fnord")) status = $lt_dlno_uscore;
+ else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
+ /* dlclose (self); */
+ }
+ else
+ puts (dlerror ());
+
+ exit (status);
+}
+EOF
+ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && test -s conftest${ac_exeext} 2>/dev/null; then
+ (./conftest; exit; ) >&5 2>/dev/null
+ lt_status=$?
+ case x$lt_status in
+ x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;;
+ x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;;
+ x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;;
+ esac
+ else :
+ # compilation failed
+ lt_cv_dlopen_self=no
+ fi
+fi
+rm -fr conftest*
+
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_dlopen_self" >&5
+echo "${ECHO_T}$lt_cv_dlopen_self" >&6; }
+
+ if test "x$lt_cv_dlopen_self" = xyes; then
+ wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+ { echo "$as_me:$LINENO: checking whether a statically linked program can dlopen itself" >&5
+echo $ECHO_N "checking whether a statically linked program can dlopen itself... $ECHO_C" >&6; }
+if test "${lt_cv_dlopen_self_static+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test "$cross_compiling" = yes; then :
+ lt_cv_dlopen_self_static=cross
+else
+ lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+ lt_status=$lt_dlunknown
+ cat > conftest.$ac_ext <<EOF
+#line 10426 "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+# define LT_DLGLOBAL RTLD_GLOBAL
+#else
+# ifdef DL_GLOBAL
+# define LT_DLGLOBAL DL_GLOBAL
+# else
+# define LT_DLGLOBAL 0
+# endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+ find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+# ifdef RTLD_LAZY
+# define LT_DLLAZY_OR_NOW RTLD_LAZY
+# else
+# ifdef DL_LAZY
+# define LT_DLLAZY_OR_NOW DL_LAZY
+# else
+# ifdef RTLD_NOW
+# define LT_DLLAZY_OR_NOW RTLD_NOW
+# else
+# ifdef DL_NOW
+# define LT_DLLAZY_OR_NOW DL_NOW
+# else
+# define LT_DLLAZY_OR_NOW 0
+# endif
+# endif
+# endif
+# endif
+#endif
+
+#ifdef __cplusplus
+extern "C" void exit (int);
+#endif
+
+void fnord() { int i=42;}
+int main ()
+{
+ void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+ int status = $lt_dlunknown;
+
+ if (self)
+ {
+ if (dlsym (self,"fnord")) status = $lt_dlno_uscore;
+ else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
+ /* dlclose (self); */
+ }
+ else
+ puts (dlerror ());
+
+ exit (status);
+}
+EOF
+ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && test -s conftest${ac_exeext} 2>/dev/null; then
+ (./conftest; exit; ) >&5 2>/dev/null
+ lt_status=$?
+ case x$lt_status in
+ x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;;
+ x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;;
+ x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;;
+ esac
+ else :
+ # compilation failed
+ lt_cv_dlopen_self_static=no
+ fi
+fi
+rm -fr conftest*
+
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_dlopen_self_static" >&5
+echo "${ECHO_T}$lt_cv_dlopen_self_static" >&6; }
+ fi
+
+ CPPFLAGS="$save_CPPFLAGS"
+ LDFLAGS="$save_LDFLAGS"
+ LIBS="$save_LIBS"
+ ;;
+ esac
+
+ case $lt_cv_dlopen_self in
+ yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+ *) enable_dlopen_self=unknown ;;
+ esac
+
+ case $lt_cv_dlopen_self_static in
+ yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+ *) enable_dlopen_self_static=unknown ;;
+ esac
+fi
+
+
+# Report which library types will actually be built
+{ echo "$as_me:$LINENO: checking if libtool supports shared libraries" >&5
+echo $ECHO_N "checking if libtool supports shared libraries... $ECHO_C" >&6; }
+{ echo "$as_me:$LINENO: result: $can_build_shared" >&5
+echo "${ECHO_T}$can_build_shared" >&6; }
+
+{ echo "$as_me:$LINENO: checking whether to build shared libraries" >&5
+echo $ECHO_N "checking whether to build shared libraries... $ECHO_C" >&6; }
+test "$can_build_shared" = "no" && enable_shared=no
+
+# On AIX, shared libraries and static libraries use the same namespace, and
+# are all built from PIC.
+case $host_os in
+aix3*)
+ test "$enable_shared" = yes && enable_static=no
+ if test -n "$RANLIB"; then
+ archive_cmds="$archive_cmds~\$RANLIB \$lib"
+ postinstall_cmds='$RANLIB $lib'
+ fi
+ ;;
+
+aix[4-9]*)
+ if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+ test "$enable_shared" = yes && enable_static=no
+ fi
+ ;;
+esac
+{ echo "$as_me:$LINENO: result: $enable_shared" >&5
+echo "${ECHO_T}$enable_shared" >&6; }
+
+{ echo "$as_me:$LINENO: checking whether to build static libraries" >&5
+echo $ECHO_N "checking whether to build static libraries... $ECHO_C" >&6; }
+# Make sure either enable_shared or enable_static is yes.
+test "$enable_shared" = yes || enable_static=yes
+{ echo "$as_me:$LINENO: result: $enable_static" >&5
+echo "${ECHO_T}$enable_static" >&6; }
+
+# The else clause should only fire when bootstrapping the
+# libtool distribution, otherwise you forgot to ship ltmain.sh
+# with your package, and you will get complaints that there are
+# no rules to generate ltmain.sh.
+if test -f "$ltmain"; then
+ # See if we are running on zsh, and set the options which allow our commands through
+ # without removal of \ escapes.
+ if test -n "${ZSH_VERSION+set}" ; then
+ setopt NO_GLOB_SUBST
+ fi
+ # Now quote all the things that may contain metacharacters while being
+ # careful not to overquote the AC_SUBSTed values. We take copies of the
+ # variables and quote the copies for generation of the libtool script.
+ for var in echo old_CC old_CFLAGS AR AR_FLAGS EGREP RANLIB LN_S LTCC LTCFLAGS NM \
+ SED SHELL STRIP \
+ libname_spec library_names_spec soname_spec extract_expsyms_cmds \
+ old_striplib striplib file_magic_cmd finish_cmds finish_eval \
+ deplibs_check_method reload_flag reload_cmds need_locks \
+ lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl \
+ lt_cv_sys_global_symbol_to_c_name_address \
+ sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
+ old_postinstall_cmds old_postuninstall_cmds \
+ compiler \
+ CC \
+ LD \
+ lt_prog_compiler_wl \
+ lt_prog_compiler_pic \
+ lt_prog_compiler_static \
+ lt_prog_compiler_no_builtin_flag \
+ export_dynamic_flag_spec \
+ thread_safe_flag_spec \
+ whole_archive_flag_spec \
+ enable_shared_with_static_runtimes \
+ old_archive_cmds \
+ old_archive_from_new_cmds \
+ predep_objects \
+ postdep_objects \
+ predeps \
+ postdeps \
+ compiler_lib_search_path \
+ compiler_lib_search_dirs \
+ archive_cmds \
+ archive_expsym_cmds \
+ postinstall_cmds \
+ postuninstall_cmds \
+ old_archive_from_expsyms_cmds \
+ allow_undefined_flag \
+ no_undefined_flag \
+ export_symbols_cmds \
+ hardcode_libdir_flag_spec \
+ hardcode_libdir_flag_spec_ld \
+ hardcode_libdir_separator \
+ hardcode_automatic \
+ module_cmds \
+ module_expsym_cmds \
+ lt_cv_prog_compiler_c_o \
+ fix_srcfile_path \
+ exclude_expsyms \
+ include_expsyms; do
+
+ case $var in
+ old_archive_cmds | \
+ old_archive_from_new_cmds | \
+ archive_cmds | \
+ archive_expsym_cmds | \
+ module_cmds | \
+ module_expsym_cmds | \
+ old_archive_from_expsyms_cmds | \
+ export_symbols_cmds | \
+ extract_expsyms_cmds | reload_cmds | finish_cmds | \
+ postinstall_cmds | postuninstall_cmds | \
+ old_postinstall_cmds | old_postuninstall_cmds | \
+ sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
+ # Double-quote double-evaled strings.
+ eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
+ ;;
+ *)
+ eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
+ ;;
+ esac
+ done
+
+ case $lt_echo in
+ *'\$0 --fallback-echo"')
+ lt_echo=`$echo "X$lt_echo" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
+ ;;
+ esac
+
+cfgfile="${ofile}T"
+ trap "$rm \"$cfgfile\"; exit 1" 1 2 15
+ $rm -f "$cfgfile"
+ { echo "$as_me:$LINENO: creating $ofile" >&5
+echo "$as_me: creating $ofile" >&6;}
+
+ cat <<__EOF__ >> "$cfgfile"
+#! $SHELL
+
+# `$echo "$cfgfile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
+# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+#
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+# Free Software Foundation, Inc.
+#
+# This file is part of GNU Libtool:
+# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# A sed program that does not truncate output.
+SED=$lt_SED
+
+# Sed that helps us avoid accidentally triggering echo(1) options like -n.
+Xsed="$SED -e 1s/^X//"
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+# The names of the tagged configurations supported by this script.
+available_tags=
+
+# ### BEGIN LIBTOOL CONFIG
+
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+
+# Shell to use when invoking shell scripts.
+SHELL=$lt_SHELL
+
+# Whether or not to build shared libraries.
+build_libtool_libs=$enable_shared
+
+# Whether or not to build static libraries.
+build_old_libs=$enable_static
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc
+
+# Whether or not to disallow shared libs when runtime libs are static
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes
+
+# Whether or not to optimize for fast installation.
+fast_install=$enable_fast_install
+
+# The host system.
+host_alias=$host_alias
+host=$host
+host_os=$host_os
+
+# The build system.
+build_alias=$build_alias
+build=$build
+build_os=$build_os
+
+# An echo program that does not interpret backslashes.
+echo=$lt_echo
+
+# The archiver.
+AR=$lt_AR
+AR_FLAGS=$lt_AR_FLAGS
+
+# A C compiler.
+LTCC=$lt_LTCC
+
+# LTCC compiler flags.
+LTCFLAGS=$lt_LTCFLAGS
+
+# A language-specific compiler.
+CC=$lt_compiler
+
+# Is the compiler the GNU C compiler?
+with_gcc=$GCC
+
+# An ERE matcher.
+EGREP=$lt_EGREP
+
+# The linker used to build libraries.
+LD=$lt_LD
+
+# Whether we need hard or soft links.
+LN_S=$lt_LN_S
+
+# A BSD-compatible nm program.
+NM=$lt_NM
+
+# A symbol stripping program
+STRIP=$lt_STRIP
+
+# Used to examine libraries when file_magic_cmd begins "file"
+MAGIC_CMD=$MAGIC_CMD
+
+# Used on cygwin: DLL creation program.
+DLLTOOL="$DLLTOOL"
+
+# Used on cygwin: object dumper.
+OBJDUMP="$OBJDUMP"
+
+# Used on cygwin: assembler.
+AS="$AS"
+
+# The name of the directory that contains temporary libtool files.
+objdir=$objdir
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag
+reload_cmds=$lt_reload_cmds
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl
+
+# Object file suffix (normally "o").
+objext="$ac_objext"
+
+# Old archive suffix (normally "a").
+libext="$libext"
+
+# Shared library suffix (normally ".so").
+shrext_cmds='$shrext_cmds'
+
+# Executable file suffix (normally "").
+exeext="$exeext"
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic
+pic_mode=$pic_mode
+
+# What is the maximum length of a command?
+max_cmd_len=$lt_cv_sys_max_cmd_len
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o
+
+# Must we lock files when doing compilation?
+need_locks=$lt_need_locks
+
+# Do we need the lib prefix for modules?
+need_lib_prefix=$need_lib_prefix
+
+# Do we need a version for libraries?
+need_version=$need_version
+
+# Whether dlopen is supported.
+dlopen_support=$enable_dlopen
+
+# Whether dlopen of programs is supported.
+dlopen_self=$enable_dlopen_self
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=$enable_dlopen_self_static
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec
+
+# Compiler flag to generate thread-safe objects.
+thread_safe_flag_spec=$lt_thread_safe_flag_spec
+
+# Library versioning type.
+version_type=$version_type
+
+# Format of library name prefix.
+libname_spec=$lt_libname_spec
+
+# List of archive names. First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME.
+library_names_spec=$lt_library_names_spec
+
+# The coded name of the library, if different from the real name.
+soname_spec=$lt_soname_spec
+
+# Commands used to build and install an old-style archive.
+RANLIB=$lt_RANLIB
+old_archive_cmds=$lt_old_archive_cmds
+old_postinstall_cmds=$lt_old_postinstall_cmds
+old_postuninstall_cmds=$lt_old_postuninstall_cmds
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds
+
+# Commands used to build and install a shared archive.
+archive_cmds=$lt_archive_cmds
+archive_expsym_cmds=$lt_archive_expsym_cmds
+postinstall_cmds=$lt_postinstall_cmds
+postuninstall_cmds=$lt_postuninstall_cmds
+
+# Commands used to build a loadable module (assumed same as above if empty)
+module_cmds=$lt_module_cmds
+module_expsym_cmds=$lt_module_expsym_cmds
+
+# Commands to strip libraries.
+old_striplib=$lt_old_striplib
+striplib=$lt_striplib
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predep_objects=$lt_predep_objects
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdep_objects=$lt_postdep_objects
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predeps=$lt_predeps
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdeps=$lt_postdeps
+
+# The directories searched by this compiler when creating a shared
+# library
+compiler_lib_search_dirs=$lt_compiler_lib_search_dirs
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=$lt_compiler_lib_search_path
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method=$lt_deplibs_check_method
+
+# Command to use when deplibs_check_method == file_magic.
+file_magic_cmd=$lt_file_magic_cmd
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag
+
+# Flag that forces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds=$lt_finish_cmds
+
+# Same as above, but a single script fragment to be evaled but not shown.
+finish_eval=$lt_finish_eval
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
+
+# Transform the output of nm in a proper C declaration
+global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
+
+# Transform the output of nm in a C name address pair
+global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
+
+# This is the shared library runtime path variable.
+runpath_var=$runpath_var
+
+# This is the shared library path variable.
+shlibpath_var=$shlibpath_var
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=$shlibpath_overrides_runpath
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=$hardcode_into_libs
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist.
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec
+
+# If ld is used when linking, flag to hardcode \$libdir into
+# a binary during linking. This must work even if \$libdir does
+# not exist.
+hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld
+
+# Whether we need a single -rpath flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator
+
+# Set to yes if using DIR/libNAME${shared_ext} during linking hardcodes DIR into the
+# resulting binary.
+hardcode_direct=$hardcode_direct
+
+# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
+# resulting binary.
+hardcode_minus_L=$hardcode_minus_L
+
+# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
+# the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var
+
+# Set to yes if building a shared library automatically hardcodes DIR into the library
+# and all subsequent libraries and executables linked against it.
+hardcode_automatic=$hardcode_automatic
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at relink time.
+variables_saved_for_relink="$variables_saved_for_relink"
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs
+
+# Compile-time system search path for libraries
+sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
+
+# Run-time system search path for libraries
+sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+
+# Fix the shell variable \$srcfile for the compiler.
+fix_srcfile_path=$lt_fix_srcfile_path
+
+# Set to yes if exported symbols are required.
+always_export_symbols=$always_export_symbols
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=$lt_extract_expsyms_cmds
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms
+
+# ### END LIBTOOL CONFIG
+
+__EOF__
+
+
+ case $host_os in
+ aix3*)
+ cat <<\EOF >> "$cfgfile"
+
+# AIX sometimes has problems with the GCC collect2 program. For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test "X${COLLECT_NAMES+set}" != Xset; then
+ COLLECT_NAMES=
+ export COLLECT_NAMES
+fi
+EOF
+ ;;
+ esac
+
+ # We use sed instead of cat because bash on DJGPP gets confused if
+ # if finds mixed CR/LF and LF-only lines. Since sed operates in
+ # text mode, it properly converts lines to CR/LF. This bash problem
+ # is reportedly fixed, but why not run on old versions too?
+ sed '$q' "$ltmain" >> "$cfgfile" || (rm -f "$cfgfile"; exit 1)
+
+ mv -f "$cfgfile" "$ofile" || \
+ (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+ chmod +x "$ofile"
+
+else
+ # If there is no Makefile yet, we rely on a make rule to execute
+ # `config.status --recheck' to rerun these tests and create the
+ # libtool script then.
+ ltmain_in=`echo $ltmain | sed -e 's/\.sh$/.in/'`
+ if test -f "$ltmain_in"; then
+ test -f Makefile && make "$ltmain"
+ fi
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+CC="$lt_save_CC"
+
+
+# Check whether --with-tags was given.
+if test "${with_tags+set}" = set; then
+ withval=$with_tags; tagnames="$withval"
+fi
+
+
+if test -f "$ltmain" && test -n "$tagnames"; then
+ if test ! -f "${ofile}"; then
+ { echo "$as_me:$LINENO: WARNING: output file \`$ofile' does not exist" >&5
+echo "$as_me: WARNING: output file \`$ofile' does not exist" >&2;}
+ fi
+
+ if test -z "$LTCC"; then
+ eval "`$SHELL ${ofile} --config | grep '^LTCC='`"
+ if test -z "$LTCC"; then
+ { echo "$as_me:$LINENO: WARNING: output file \`$ofile' does not look like a libtool script" >&5
+echo "$as_me: WARNING: output file \`$ofile' does not look like a libtool script" >&2;}
+ else
+ { echo "$as_me:$LINENO: WARNING: using \`LTCC=$LTCC', extracted from \`$ofile'" >&5
+echo "$as_me: WARNING: using \`LTCC=$LTCC', extracted from \`$ofile'" >&2;}
+ fi
+ fi
+ if test -z "$LTCFLAGS"; then
+ eval "`$SHELL ${ofile} --config | grep '^LTCFLAGS='`"
+ fi
+
+ # Extract list of available tagged configurations in $ofile.
+ # Note that this assumes the entire list is on one line.
+ available_tags=`grep "^available_tags=" "${ofile}" | $SED -e 's/available_tags=\(.*$\)/\1/' -e 's/\"//g'`
+
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for tagname in $tagnames; do
+ IFS="$lt_save_ifs"
+ # Check whether tagname contains only valid characters
+ case `$echo "X$tagname" | $Xsed -e 's:[-_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890,/]::g'` in
+ "") ;;
+ *) { { echo "$as_me:$LINENO: error: invalid tag name: $tagname" >&5
+echo "$as_me: error: invalid tag name: $tagname" >&2;}
+ { (exit 1); exit 1; }; }
+ ;;
+ esac
+
+ if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "${ofile}" > /dev/null
+ then
+ { { echo "$as_me:$LINENO: error: tag name \"$tagname\" already exists" >&5
+echo "$as_me: error: tag name \"$tagname\" already exists" >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+
+ # Update the list of available tags.
+ if test -n "$tagname"; then
+ echo appending configuration tag \"$tagname\" to $ofile
+
+ case $tagname in
+ CXX)
+ if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
+ ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
+ (test "X$CXX" != "Xg++"))) ; then
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+
+
+archive_cmds_need_lc_CXX=no
+allow_undefined_flag_CXX=
+always_export_symbols_CXX=no
+archive_expsym_cmds_CXX=
+export_dynamic_flag_spec_CXX=
+hardcode_direct_CXX=no
+hardcode_libdir_flag_spec_CXX=
+hardcode_libdir_flag_spec_ld_CXX=
+hardcode_libdir_separator_CXX=
+hardcode_minus_L_CXX=no
+hardcode_shlibpath_var_CXX=unsupported
+hardcode_automatic_CXX=no
+module_cmds_CXX=
+module_expsym_cmds_CXX=
+link_all_deplibs_CXX=unknown
+old_archive_cmds_CXX=$old_archive_cmds
+no_undefined_flag_CXX=
+whole_archive_flag_spec_CXX=
+enable_shared_with_static_runtimes_CXX=no
+
+# Dependencies to place before and after the object being linked:
+predep_objects_CXX=
+postdep_objects_CXX=
+predeps_CXX=
+postdeps_CXX=
+compiler_lib_search_path_CXX=
+compiler_lib_search_dirs_CXX=
+
+# Source file extension for C++ test sources.
+ac_ext=cpp
+
+# Object file extension for compiled C++ test sources.
+objext=o
+objext_CXX=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(int, char *[]) { return(0); }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+
+# save warnings/boilerplate of simple test code
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$rm conftest*
+
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$rm -r conftest*
+
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_LD=$LD
+lt_save_GCC=$GCC
+GCC=$GXX
+lt_save_with_gnu_ld=$with_gnu_ld
+lt_save_path_LD=$lt_cv_path_LD
+if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
+ lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
+else
+ $as_unset lt_cv_prog_gnu_ld
+fi
+if test -n "${lt_cv_path_LDCXX+set}"; then
+ lt_cv_path_LD=$lt_cv_path_LDCXX
+else
+ $as_unset lt_cv_path_LD
+fi
+test -z "${LDCXX+set}" || LD=$LDCXX
+CC=${CXX-"c++"}
+compiler=$CC
+compiler_CXX=$CC
+for cc_temp in $compiler""; do
+ case $cc_temp in
+ compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+ distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+ \-*) ;;
+ *) break;;
+ esac
+done
+cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+
+
+# We don't want -fno-exception wen compiling C++ code, so set the
+# no_builtin_flag separately
+if test "$GXX" = yes; then
+ lt_prog_compiler_no_builtin_flag_CXX=' -fno-builtin'
+else
+ lt_prog_compiler_no_builtin_flag_CXX=
+fi
+
+if test "$GXX" = yes; then
+ # Set up default GNU C++ configuration
+
+
+# Check whether --with-gnu-ld was given.
+if test "${with_gnu_ld+set}" = set; then
+ withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes
+else
+ with_gnu_ld=no
+fi
+
+ac_prog=ld
+if test "$GCC" = yes; then
+ # Check if gcc -print-prog-name=ld gives a path.
+ { echo "$as_me:$LINENO: checking for ld used by $CC" >&5
+echo $ECHO_N "checking for ld used by $CC... $ECHO_C" >&6; }
+ case $host in
+ *-*-mingw*)
+ # gcc leaves a trailing carriage return which upsets mingw
+ ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+ *)
+ ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+ esac
+ case $ac_prog in
+ # Accept absolute paths.
+ [\\/]* | ?:[\\/]*)
+ re_direlt='/[^/][^/]*/\.\./'
+ # Canonicalize the pathname of ld
+ ac_prog=`echo $ac_prog| $SED 's%\\\\%/%g'`
+ while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+ ac_prog=`echo $ac_prog| $SED "s%$re_direlt%/%"`
+ done
+ test -z "$LD" && LD="$ac_prog"
+ ;;
+ "")
+ # If it fails, then pretend we aren't using GCC.
+ ac_prog=ld
+ ;;
+ *)
+ # If it is relative, then search for the first ld in PATH.
+ with_gnu_ld=unknown
+ ;;
+ esac
+elif test "$with_gnu_ld" = yes; then
+ { echo "$as_me:$LINENO: checking for GNU ld" >&5
+echo $ECHO_N "checking for GNU ld... $ECHO_C" >&6; }
+else
+ { echo "$as_me:$LINENO: checking for non-GNU ld" >&5
+echo $ECHO_N "checking for non-GNU ld... $ECHO_C" >&6; }
+fi
+if test "${lt_cv_path_LD+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -z "$LD"; then
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ for ac_dir in $PATH; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+ lt_cv_path_LD="$ac_dir/$ac_prog"
+ # Check to see if the program is GNU ld. I'd rather use --version,
+ # but apparently some variants of GNU ld only accept -v.
+ # Break only if it was the GNU/non-GNU ld that we prefer.
+ case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+ *GNU* | *'with BFD'*)
+ test "$with_gnu_ld" != no && break
+ ;;
+ *)
+ test "$with_gnu_ld" != yes && break
+ ;;
+ esac
+ fi
+ done
+ IFS="$lt_save_ifs"
+else
+ lt_cv_path_LD="$LD" # Let the user override the test with a path.
+fi
+fi
+
+LD="$lt_cv_path_LD"
+if test -n "$LD"; then
+ { echo "$as_me:$LINENO: result: $LD" >&5
+echo "${ECHO_T}$LD" >&6; }
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+test -z "$LD" && { { echo "$as_me:$LINENO: error: no acceptable ld found in \$PATH" >&5
+echo "$as_me: error: no acceptable ld found in \$PATH" >&2;}
+ { (exit 1); exit 1; }; }
+{ echo "$as_me:$LINENO: checking if the linker ($LD) is GNU ld" >&5
+echo $ECHO_N "checking if the linker ($LD) is GNU ld... $ECHO_C" >&6; }
+if test "${lt_cv_prog_gnu_ld+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ # I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+ lt_cv_prog_gnu_ld=yes
+ ;;
+*)
+ lt_cv_prog_gnu_ld=no
+ ;;
+esac
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_gnu_ld" >&5
+echo "${ECHO_T}$lt_cv_prog_gnu_ld" >&6; }
+with_gnu_ld=$lt_cv_prog_gnu_ld
+
+
+
+ # Check if GNU C++ uses GNU ld as the underlying linker, since the
+ # archiving commands below assume that GNU ld is being used.
+ if test "$with_gnu_ld" = yes; then
+ archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+
+ hardcode_libdir_flag_spec_CXX='${wl}--rpath ${wl}$libdir'
+ export_dynamic_flag_spec_CXX='${wl}--export-dynamic'
+
+ # If archive_cmds runs LD, not CC, wlarc should be empty
+ # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
+ # investigate it a little bit more. (MM)
+ wlarc='${wl}'
+
+ # ancient GNU ld didn't support --whole-archive et. al.
+ if eval "`$CC -print-prog-name=ld` --help 2>&1" | \
+ grep 'no-whole-archive' > /dev/null; then
+ whole_archive_flag_spec_CXX="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+ else
+ whole_archive_flag_spec_CXX=
+ fi
+ else
+ with_gnu_ld=no
+ wlarc=
+
+ # A generic and very simple default shared library creation
+ # command for GNU C++ for the case where it uses the native
+ # linker, instead of GNU ld. If possible, this setting should
+ # overridden to take advantage of the native linker features on
+ # the platform it is being used on.
+ archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+ fi
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "\-L"'
+
+else
+ GXX=no
+ with_gnu_ld=no
+ wlarc=
+fi
+
+# PORTME: fill in a description of your system's C++ link characteristics
+{ echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared libraries... $ECHO_C" >&6; }
+ld_shlibs_CXX=yes
+case $host_os in
+ aix3*)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ aix[4-9]*)
+ if test "$host_cpu" = ia64; then
+ # On IA64, the linker does run time linking by default, so we don't
+ # have to do anything special.
+ aix_use_runtimelinking=no
+ exp_sym_flag='-Bexport'
+ no_entry_flag=""
+ else
+ aix_use_runtimelinking=no
+
+ # Test if we are trying to use run time linking or normal
+ # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+ # need to do runtime linking.
+ case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
+ for ld_flag in $LDFLAGS; do
+ case $ld_flag in
+ *-brtl*)
+ aix_use_runtimelinking=yes
+ break
+ ;;
+ esac
+ done
+ ;;
+ esac
+
+ exp_sym_flag='-bexport'
+ no_entry_flag='-bnoentry'
+ fi
+
+ # When large executables or shared objects are built, AIX ld can
+ # have problems creating the table of contents. If linking a library
+ # or program results in "error TOC overflow" add -mminimal-toc to
+ # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
+ # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+ archive_cmds_CXX=''
+ hardcode_direct_CXX=yes
+ hardcode_libdir_separator_CXX=':'
+ link_all_deplibs_CXX=yes
+
+ if test "$GXX" = yes; then
+ case $host_os in aix4.[012]|aix4.[012].*)
+ # We only want to do this on AIX 4.2 and lower, the check
+ # below for broken collect2 doesn't work under 4.3+
+ collect2name=`${CC} -print-prog-name=collect2`
+ if test -f "$collect2name" && \
+ strings "$collect2name" | grep resolve_lib_name >/dev/null
+ then
+ # We have reworked collect2
+ :
+ else
+ # We have old collect2
+ hardcode_direct_CXX=unsupported
+ # It fails to find uninstalled libraries when the uninstalled
+ # path is not listed in the libpath. Setting hardcode_minus_L
+ # to unsupported forces relinking
+ hardcode_minus_L_CXX=yes
+ hardcode_libdir_flag_spec_CXX='-L$libdir'
+ hardcode_libdir_separator_CXX=
+ fi
+ ;;
+ esac
+ shared_flag='-shared'
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag="$shared_flag "'${wl}-G'
+ fi
+ else
+ # not using gcc
+ if test "$host_cpu" = ia64; then
+ # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+ # chokes on -Wl,-G. The following line is correct:
+ shared_flag='-G'
+ else
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag='${wl}-G'
+ else
+ shared_flag='${wl}-bM:SRE'
+ fi
+ fi
+ fi
+
+ # It seems that -bexpall does not export symbols beginning with
+ # underscore (_), so it is better to generate a list of symbols to export.
+ always_export_symbols_CXX=yes
+ if test "$aix_use_runtimelinking" = yes; then
+ # Warning - without using the other runtime loading flags (-brtl),
+ # -berok will link without error, but may produce a broken library.
+ allow_undefined_flag_CXX='-berok'
+ # Determine the default libpath from the value encoded in an empty executable.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+
+lt_aix_libpath_sed='
+ /Import File Strings/,/^$/ {
+ /^0/ {
+ s/^0 *\(.*\)$/\1/
+ p
+ }
+ }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+ aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+ hardcode_libdir_flag_spec_CXX='${wl}-blibpath:$libdir:'"$aix_libpath"
+
+ archive_expsym_cmds_CXX="\$CC"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+ else
+ if test "$host_cpu" = ia64; then
+ hardcode_libdir_flag_spec_CXX='${wl}-R $libdir:/usr/lib:/lib'
+ allow_undefined_flag_CXX="-z nodefs"
+ archive_expsym_cmds_CXX="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+ else
+ # Determine the default libpath from the value encoded in an empty executable.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+
+lt_aix_libpath_sed='
+ /Import File Strings/,/^$/ {
+ /^0/ {
+ s/^0 *\(.*\)$/\1/
+ p
+ }
+ }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+ aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+ hardcode_libdir_flag_spec_CXX='${wl}-blibpath:$libdir:'"$aix_libpath"
+ # Warning - without using the other run time loading flags,
+ # -berok will link without error, but may produce a broken library.
+ no_undefined_flag_CXX=' ${wl}-bernotok'
+ allow_undefined_flag_CXX=' ${wl}-berok'
+ # Exported symbols can be pulled into shared objects from archives
+ whole_archive_flag_spec_CXX='$convenience'
+ archive_cmds_need_lc_CXX=yes
+ # This is similar to how AIX traditionally builds its shared libraries.
+ archive_expsym_cmds_CXX="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+ fi
+ fi
+ ;;
+
+ beos*)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ allow_undefined_flag_CXX=unsupported
+ # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+ # support --undefined. This deserves some investigation. FIXME
+ archive_cmds_CXX='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ else
+ ld_shlibs_CXX=no
+ fi
+ ;;
+
+ chorus*)
+ case $cc_basename in
+ *)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ esac
+ ;;
+
+ cygwin* | mingw* | pw32*)
+ # _LT_AC_TAGVAR(hardcode_libdir_flag_spec, CXX) is actually meaningless,
+ # as there is no search path for DLLs.
+ hardcode_libdir_flag_spec_CXX='-L$libdir'
+ allow_undefined_flag_CXX=unsupported
+ always_export_symbols_CXX=no
+ enable_shared_with_static_runtimes_CXX=yes
+
+ if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
+ archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ # If the export-symbols file already is a .def file (1st line
+ # is EXPORTS), use it as is; otherwise, prepend...
+ archive_expsym_cmds_CXX='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+ cp $export_symbols $output_objdir/$soname.def;
+ else
+ echo EXPORTS > $output_objdir/$soname.def;
+ cat $export_symbols >> $output_objdir/$soname.def;
+ fi~
+ $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ else
+ ld_shlibs_CXX=no
+ fi
+ ;;
+ darwin* | rhapsody*)
+ archive_cmds_need_lc_CXX=no
+ hardcode_direct_CXX=no
+ hardcode_automatic_CXX=yes
+ hardcode_shlibpath_var_CXX=unsupported
+ whole_archive_flag_spec_CXX=''
+ link_all_deplibs_CXX=yes
+ allow_undefined_flag_CXX="$_lt_dar_allow_undefined"
+ if test "$GXX" = yes ; then
+ output_verbose_link_cmd='echo'
+ archive_cmds_CXX="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+ module_cmds_CXX="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+ archive_expsym_cmds_CXX="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+ module_expsym_cmds_CXX="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+ if test "$lt_cv_apple_cc_single_mod" != "yes"; then
+ archive_cmds_CXX="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}"
+ archive_expsym_cmds_CXX="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}"
+ fi
+ else
+ case $cc_basename in
+ xlc*)
+ output_verbose_link_cmd='echo'
+ archive_cmds_CXX='$CC -qmkshrobj ${wl}-single_module $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}`echo $rpath/$soname` $xlcverstring'
+ module_cmds_CXX='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags'
+ # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin lds
+ archive_expsym_cmds_CXX='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -qmkshrobj ${wl}-single_module $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}$rpath/$soname $xlcverstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ module_expsym_cmds_CXX='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ ;;
+ *)
+ ld_shlibs_CXX=no
+ ;;
+ esac
+ fi
+ ;;
+
+ dgux*)
+ case $cc_basename in
+ ec++*)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ ghcx*)
+ # Green Hills C++ Compiler
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ esac
+ ;;
+ freebsd[12]*)
+ # C++ shared libraries reported to be fairly broken before switch to ELF
+ ld_shlibs_CXX=no
+ ;;
+ freebsd-elf*)
+ archive_cmds_need_lc_CXX=no
+ ;;
+ freebsd* | dragonfly*)
+ # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
+ # conventions
+ ld_shlibs_CXX=yes
+ ;;
+ gnu*)
+ ;;
+ hpux9*)
+ hardcode_libdir_flag_spec_CXX='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator_CXX=:
+ export_dynamic_flag_spec_CXX='${wl}-E'
+ hardcode_direct_CXX=yes
+ hardcode_minus_L_CXX=yes # Not in the search PATH,
+ # but as the default
+ # location of the library.
+
+ case $cc_basename in
+ CC*)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ aCC*)
+ archive_cmds_CXX='$rm $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | grep "[-]L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+ ;;
+ *)
+ if test "$GXX" = yes; then
+ archive_cmds_CXX='$rm $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ else
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ fi
+ ;;
+ esac
+ ;;
+ hpux10*|hpux11*)
+ if test $with_gnu_ld = no; then
+ hardcode_libdir_flag_spec_CXX='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator_CXX=:
+
+ case $host_cpu in
+ hppa*64*|ia64*) ;;
+ *)
+ export_dynamic_flag_spec_CXX='${wl}-E'
+ ;;
+ esac
+ fi
+ case $host_cpu in
+ hppa*64*|ia64*)
+ hardcode_direct_CXX=no
+ hardcode_shlibpath_var_CXX=no
+ ;;
+ *)
+ hardcode_direct_CXX=yes
+ hardcode_minus_L_CXX=yes # Not in the search PATH,
+ # but as the default
+ # location of the library.
+ ;;
+ esac
+
+ case $cc_basename in
+ CC*)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ aCC*)
+ case $host_cpu in
+ hppa*64*)
+ archive_cmds_CXX='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ ia64*)
+ archive_cmds_CXX='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ *)
+ archive_cmds_CXX='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ esac
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | grep "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+ ;;
+ *)
+ if test "$GXX" = yes; then
+ if test $with_gnu_ld = no; then
+ case $host_cpu in
+ hppa*64*)
+ archive_cmds_CXX='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ ia64*)
+ archive_cmds_CXX='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ *)
+ archive_cmds_CXX='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ esac
+ fi
+ else
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ fi
+ ;;
+ esac
+ ;;
+ interix[3-9]*)
+ hardcode_direct_CXX=no
+ hardcode_shlibpath_var_CXX=no
+ hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir'
+ export_dynamic_flag_spec_CXX='${wl}-E'
+ # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+ # Instead, shared libraries are loaded at an image base (0x10000000 by
+ # default) and relocated if they conflict, which is a slow very memory
+ # consuming and fragmenting process. To avoid this, we pick a random,
+ # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+ # time. Moving up from 0x10000000 also allows more sbrk(2) space.
+ archive_cmds_CXX='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ archive_expsym_cmds_CXX='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ ;;
+ irix5* | irix6*)
+ case $cc_basename in
+ CC*)
+ # SGI C++
+ archive_cmds_CXX='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+
+ # Archives containing C++ object files must be created using
+ # "CC -ar", where "CC" is the IRIX C++ compiler. This is
+ # necessary to make sure instantiated templates are included
+ # in the archive.
+ old_archive_cmds_CXX='$CC -ar -WR,-u -o $oldlib $oldobjs'
+ ;;
+ *)
+ if test "$GXX" = yes; then
+ if test "$with_gnu_ld" = no; then
+ archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` -o $lib'
+ fi
+ fi
+ link_all_deplibs_CXX=yes
+ ;;
+ esac
+ hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator_CXX=:
+ ;;
+ linux* | k*bsd*-gnu)
+ case $cc_basename in
+ KCC*)
+ # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+ # KCC will only create a shared library if the output file
+ # ends with ".so" (or ".sl" for HP-UX), so rename the library
+ # to its proper name (with version) after linking.
+ archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+ archive_expsym_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib'
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | grep "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+
+ hardcode_libdir_flag_spec_CXX='${wl}--rpath,$libdir'
+ export_dynamic_flag_spec_CXX='${wl}--export-dynamic'
+
+ # Archives containing C++ object files must be created using
+ # "CC -Bstatic", where "CC" is the KAI C++ compiler.
+ old_archive_cmds_CXX='$CC -Bstatic -o $oldlib $oldobjs'
+ ;;
+ icpc*)
+ # Intel C++
+ with_gnu_ld=yes
+ # version 8.0 and above of icpc choke on multiply defined symbols
+ # if we add $predep_objects and $postdep_objects, however 7.1 and
+ # earlier do not add the objects themselves.
+ case `$CC -V 2>&1` in
+ *"Version 7."*)
+ archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ ;;
+ *) # Version 8.0 or newer
+ tmp_idyn=
+ case $host_cpu in
+ ia64*) tmp_idyn=' -i_dynamic';;
+ esac
+ archive_cmds_CXX='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds_CXX='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ ;;
+ esac
+ archive_cmds_need_lc_CXX=no
+ hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir'
+ export_dynamic_flag_spec_CXX='${wl}--export-dynamic'
+ whole_archive_flag_spec_CXX='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+ ;;
+ pgCC* | pgcpp*)
+ # Portland Group C++ compiler
+ archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
+ archive_expsym_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
+
+ hardcode_libdir_flag_spec_CXX='${wl}--rpath ${wl}$libdir'
+ export_dynamic_flag_spec_CXX='${wl}--export-dynamic'
+ whole_archive_flag_spec_CXX='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ ;;
+ cxx*)
+ # Compaq C++
+ archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
+
+ runpath_var=LD_RUN_PATH
+ hardcode_libdir_flag_spec_CXX='-rpath $libdir'
+ hardcode_libdir_separator_CXX=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld"`; templist=`echo $templist | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+ ;;
+ *)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C++ 5.9
+ no_undefined_flag_CXX=' -zdefs'
+ archive_cmds_CXX='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ archive_expsym_cmds_CXX='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols'
+ hardcode_libdir_flag_spec_CXX='-R$libdir'
+ whole_archive_flag_spec_CXX='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+
+ # Not sure whether something based on
+ # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
+ # would be better.
+ output_verbose_link_cmd='echo'
+
+ # Archives containing C++ object files must be created using
+ # "CC -xar", where "CC" is the Sun C++ compiler. This is
+ # necessary to make sure instantiated templates are included
+ # in the archive.
+ old_archive_cmds_CXX='$CC -xar -o $oldlib $oldobjs'
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ lynxos*)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ m88k*)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ mvs*)
+ case $cc_basename in
+ cxx*)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ esac
+ ;;
+ netbsd* | netbsdelf*-gnu)
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ archive_cmds_CXX='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
+ wlarc=
+ hardcode_libdir_flag_spec_CXX='-R$libdir'
+ hardcode_direct_CXX=yes
+ hardcode_shlibpath_var_CXX=no
+ fi
+ # Workaround some broken pre-1.5 toolchains
+ output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
+ ;;
+ openbsd2*)
+ # C++ shared libraries are fairly broken
+ ld_shlibs_CXX=no
+ ;;
+ openbsd*)
+ if test -f /usr/libexec/ld.so; then
+ hardcode_direct_CXX=yes
+ hardcode_shlibpath_var_CXX=no
+ archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+ hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir'
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ archive_expsym_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib'
+ export_dynamic_flag_spec_CXX='${wl}-E'
+ whole_archive_flag_spec_CXX="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+ fi
+ output_verbose_link_cmd='echo'
+ else
+ ld_shlibs_CXX=no
+ fi
+ ;;
+ osf3*)
+ case $cc_basename in
+ KCC*)
+ # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+ # KCC will only create a shared library if the output file
+ # ends with ".so" (or ".sl" for HP-UX), so rename the library
+ # to its proper name (with version) after linking.
+ archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+ hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir'
+ hardcode_libdir_separator_CXX=:
+
+ # Archives containing C++ object files must be created using
+ # "CC -Bstatic", where "CC" is the KAI C++ compiler.
+ old_archive_cmds_CXX='$CC -Bstatic -o $oldlib $oldobjs'
+
+ ;;
+ RCC*)
+ # Rational C++ 2.4.1
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ cxx*)
+ allow_undefined_flag_CXX=' ${wl}-expect_unresolved ${wl}\*'
+ archive_cmds_CXX='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+
+ hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator_CXX=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+ ;;
+ *)
+ if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+ allow_undefined_flag_CXX=' ${wl}-expect_unresolved ${wl}\*'
+ archive_cmds_CXX='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+
+ hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator_CXX=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "\-L"'
+
+ else
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ fi
+ ;;
+ esac
+ ;;
+ osf4* | osf5*)
+ case $cc_basename in
+ KCC*)
+ # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+ # KCC will only create a shared library if the output file
+ # ends with ".so" (or ".sl" for HP-UX), so rename the library
+ # to its proper name (with version) after linking.
+ archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+ hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir'
+ hardcode_libdir_separator_CXX=:
+
+ # Archives containing C++ object files must be created using
+ # the KAI C++ compiler.
+ old_archive_cmds_CXX='$CC -o $oldlib $oldobjs'
+ ;;
+ RCC*)
+ # Rational C++ 2.4.1
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ cxx*)
+ allow_undefined_flag_CXX=' -expect_unresolved \*'
+ archive_cmds_CXX='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ archive_expsym_cmds_CXX='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
+ echo "-hidden">> $lib.exp~
+ $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname -Wl,-input -Wl,$lib.exp `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib~
+ $rm $lib.exp'
+
+ hardcode_libdir_flag_spec_CXX='-rpath $libdir'
+ hardcode_libdir_separator_CXX=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+ ;;
+ *)
+ if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+ allow_undefined_flag_CXX=' ${wl}-expect_unresolved ${wl}\*'
+ archive_cmds_CXX='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+
+ hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator_CXX=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "\-L"'
+
+ else
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ fi
+ ;;
+ esac
+ ;;
+ psos*)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ sunos4*)
+ case $cc_basename in
+ CC*)
+ # Sun C++ 4.x
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ lcc*)
+ # Lucid
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ esac
+ ;;
+ solaris*)
+ case $cc_basename in
+ CC*)
+ # Sun C++ 4.2, 5.x and Centerline C++
+ archive_cmds_need_lc_CXX=yes
+ no_undefined_flag_CXX=' -zdefs'
+ archive_cmds_CXX='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ archive_expsym_cmds_CXX='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $CC -G${allow_undefined_flag} ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
+
+ hardcode_libdir_flag_spec_CXX='-R$libdir'
+ hardcode_shlibpath_var_CXX=no
+ case $host_os in
+ solaris2.[0-5] | solaris2.[0-5].*) ;;
+ *)
+ # The compiler driver will combine and reorder linker options,
+ # but understands `-z linker_flag'.
+ # Supported since Solaris 2.6 (maybe 2.5.1?)
+ whole_archive_flag_spec_CXX='-z allextract$convenience -z defaultextract'
+ ;;
+ esac
+ link_all_deplibs_CXX=yes
+
+ output_verbose_link_cmd='echo'
+
+ # Archives containing C++ object files must be created using
+ # "CC -xar", where "CC" is the Sun C++ compiler. This is
+ # necessary to make sure instantiated templates are included
+ # in the archive.
+ old_archive_cmds_CXX='$CC -xar -o $oldlib $oldobjs'
+ ;;
+ gcx*)
+ # Green Hills C++ Compiler
+ archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+
+ # The C++ compiler must be used to create the archive.
+ old_archive_cmds_CXX='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
+ ;;
+ *)
+ # GNU C++ compiler with Solaris linker
+ if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+ no_undefined_flag_CXX=' ${wl}-z ${wl}defs'
+ if $CC --version | grep -v '^2\.7' > /dev/null; then
+ archive_cmds_CXX='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+ archive_expsym_cmds_CXX='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep \"\-L\""
+ else
+ # g++ 2.7 appears to require `-G' NOT `-shared' on this
+ # platform.
+ archive_cmds_CXX='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+ archive_expsym_cmds_CXX='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | grep \"\-L\""
+ fi
+
+ hardcode_libdir_flag_spec_CXX='${wl}-R $wl$libdir'
+ case $host_os in
+ solaris2.[0-5] | solaris2.[0-5].*) ;;
+ *)
+ whole_archive_flag_spec_CXX='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+ ;;
+ esac
+ fi
+ ;;
+ esac
+ ;;
+ sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
+ no_undefined_flag_CXX='${wl}-z,text'
+ archive_cmds_need_lc_CXX=no
+ hardcode_shlibpath_var_CXX=no
+ runpath_var='LD_RUN_PATH'
+
+ case $cc_basename in
+ CC*)
+ archive_cmds_CXX='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_CXX='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ archive_cmds_CXX='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_CXX='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ ;;
+ sysv5* | sco3.2v5* | sco5v6*)
+ # Note: We can NOT use -z defs as we might desire, because we do not
+ # link with -lc, and that would cause any symbols used from libc to
+ # always be unresolved, which means just about no library would
+ # ever link correctly. If we're not using GNU ld we use -z text
+ # though, which does catch some bad symbols but isn't as heavy-handed
+ # as -z defs.
+ # For security reasons, it is highly recommended that you always
+ # use absolute paths for naming shared libraries, and exclude the
+ # DT_RUNPATH tag from executables and libraries. But doing so
+ # requires that you compile everything twice, which is a pain.
+ # So that behaviour is only enabled if SCOABSPATH is set to a
+ # non-empty value in the environment. Most likely only useful for
+ # creating official distributions of packages.
+ # This is a hack until libtool officially supports absolute path
+ # names for shared libraries.
+ no_undefined_flag_CXX='${wl}-z,text'
+ allow_undefined_flag_CXX='${wl}-z,nodefs'
+ archive_cmds_need_lc_CXX=no
+ hardcode_shlibpath_var_CXX=no
+ hardcode_libdir_flag_spec_CXX='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
+ hardcode_libdir_separator_CXX=':'
+ link_all_deplibs_CXX=yes
+ export_dynamic_flag_spec_CXX='${wl}-Bexport'
+ runpath_var='LD_RUN_PATH'
+
+ case $cc_basename in
+ CC*)
+ archive_cmds_CXX='$CC -G ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_CXX='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ archive_cmds_CXX='$CC -shared ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_CXX='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ ;;
+ tandem*)
+ case $cc_basename in
+ NCC*)
+ # NonStop-UX NCC 3.20
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ esac
+ ;;
+ vxworks*)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ ld_shlibs_CXX=no
+ ;;
+esac
+{ echo "$as_me:$LINENO: result: $ld_shlibs_CXX" >&5
+echo "${ECHO_T}$ld_shlibs_CXX" >&6; }
+test "$ld_shlibs_CXX" = no && can_build_shared=no
+
+GCC_CXX="$GXX"
+LD_CXX="$LD"
+
+cat > conftest.$ac_ext <<EOF
+class Foo
+{
+public:
+ Foo (void) { a = 0; }
+private:
+ int a;
+};
+EOF
+
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ # Parse the compiler output and extract the necessary
+ # objects, libraries and library flags.
+
+ # Sentinel used to keep track of whether or not we are before
+ # the conftest object file.
+ pre_test_object_deps_done=no
+
+ # The `*' in the case matches for architectures that use `case' in
+ # $output_verbose_cmd can trigger glob expansion during the loop
+ # eval without this substitution.
+ output_verbose_link_cmd=`$echo "X$output_verbose_link_cmd" | $Xsed -e "$no_glob_subst"`
+
+ for p in `eval $output_verbose_link_cmd`; do
+ case $p in
+
+ -L* | -R* | -l*)
+ # Some compilers place space between "-{L,R}" and the path.
+ # Remove the space.
+ if test $p = "-L" \
+ || test $p = "-R"; then
+ prev=$p
+ continue
+ else
+ prev=
+ fi
+
+ if test "$pre_test_object_deps_done" = no; then
+ case $p in
+ -L* | -R*)
+ # Internal compiler library paths should come after those
+ # provided the user. The postdeps already come after the
+ # user supplied libs so there is no need to process them.
+ if test -z "$compiler_lib_search_path_CXX"; then
+ compiler_lib_search_path_CXX="${prev}${p}"
+ else
+ compiler_lib_search_path_CXX="${compiler_lib_search_path_CXX} ${prev}${p}"
+ fi
+ ;;
+ # The "-l" case would never come before the object being
+ # linked, so don't bother handling this case.
+ esac
+ else
+ if test -z "$postdeps_CXX"; then
+ postdeps_CXX="${prev}${p}"
+ else
+ postdeps_CXX="${postdeps_CXX} ${prev}${p}"
+ fi
+ fi
+ ;;
+
+ *.$objext)
+ # This assumes that the test object file only shows up
+ # once in the compiler output.
+ if test "$p" = "conftest.$objext"; then
+ pre_test_object_deps_done=yes
+ continue
+ fi
+
+ if test "$pre_test_object_deps_done" = no; then
+ if test -z "$predep_objects_CXX"; then
+ predep_objects_CXX="$p"
+ else
+ predep_objects_CXX="$predep_objects_CXX $p"
+ fi
+ else
+ if test -z "$postdep_objects_CXX"; then
+ postdep_objects_CXX="$p"
+ else
+ postdep_objects_CXX="$postdep_objects_CXX $p"
+ fi
+ fi
+ ;;
+
+ *) ;; # Ignore the rest.
+
+ esac
+ done
+
+ # Clean up.
+ rm -f a.out a.exe
+else
+ echo "libtool.m4: error: problem compiling CXX test program"
+fi
+
+$rm -f confest.$objext
+
+compiler_lib_search_dirs_CXX=
+if test -n "$compiler_lib_search_path_CXX"; then
+ compiler_lib_search_dirs_CXX=`echo " ${compiler_lib_search_path_CXX}" | ${SED} -e 's! -L! !g' -e 's!^ !!'`
+fi
+
+# PORTME: override above test on systems where it is broken
+case $host_os in
+interix[3-9]*)
+ # Interix 3.5 installs completely hosed .la files for C++, so rather than
+ # hack all around it, let's just trust "g++" to DTRT.
+ predep_objects_CXX=
+ postdep_objects_CXX=
+ postdeps_CXX=
+ ;;
+
+linux*)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C++ 5.9
+ #
+ # The more standards-conforming stlport4 library is
+ # incompatible with the Cstd library. Avoid specifying
+ # it if it's in CXXFLAGS. Ignore libCrun as
+ # -library=stlport4 depends on it.
+ case " $CXX $CXXFLAGS " in
+ *" -library=stlport4 "*)
+ solaris_use_stlport4=yes
+ ;;
+ esac
+ if test "$solaris_use_stlport4" != yes; then
+ postdeps_CXX='-library=Cstd -library=Crun'
+ fi
+ ;;
+ esac
+ ;;
+
+solaris*)
+ case $cc_basename in
+ CC*)
+ # The more standards-conforming stlport4 library is
+ # incompatible with the Cstd library. Avoid specifying
+ # it if it's in CXXFLAGS. Ignore libCrun as
+ # -library=stlport4 depends on it.
+ case " $CXX $CXXFLAGS " in
+ *" -library=stlport4 "*)
+ solaris_use_stlport4=yes
+ ;;
+ esac
+
+ # Adding this requires a known-good setup of shared libraries for
+ # Sun compiler versions before 5.6, else PIC objects from an old
+ # archive will be linked into the output, leading to subtle bugs.
+ if test "$solaris_use_stlport4" != yes; then
+ postdeps_CXX='-library=Cstd -library=Crun'
+ fi
+ ;;
+ esac
+ ;;
+esac
+
+case " $postdeps_CXX " in
+*" -lc "*) archive_cmds_need_lc_CXX=no ;;
+esac
+
+lt_prog_compiler_wl_CXX=
+lt_prog_compiler_pic_CXX=
+lt_prog_compiler_static_CXX=
+
+{ echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5
+echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6; }
+
+ # C++ specific cases for pic, static, wl, etc.
+ if test "$GXX" = yes; then
+ lt_prog_compiler_wl_CXX='-Wl,'
+ lt_prog_compiler_static_CXX='-static'
+
+ case $host_os in
+ aix*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ lt_prog_compiler_static_CXX='-Bstatic'
+ fi
+ ;;
+ amigaos*)
+ # FIXME: we need at least 68020 code to build shared libraries, but
+ # adding the `-m68020' flag to GCC prevents building anything better,
+ # like `-m68040'.
+ lt_prog_compiler_pic_CXX='-m68020 -resident32 -malways-restore-a4'
+ ;;
+ beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+ # PIC is the default for these OSes.
+ ;;
+ mingw* | cygwin* | os2* | pw32*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ # Although the cygwin gcc ignores -fPIC, still need this for old-style
+ # (--disable-auto-import) libraries
+ lt_prog_compiler_pic_CXX='-DDLL_EXPORT'
+ ;;
+ darwin* | rhapsody*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ lt_prog_compiler_pic_CXX='-fno-common'
+ ;;
+ *djgpp*)
+ # DJGPP does not support shared libraries at all
+ lt_prog_compiler_pic_CXX=
+ ;;
+ interix[3-9]*)
+ # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+ # Instead, we relocate shared libraries at runtime.
+ ;;
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ lt_prog_compiler_pic_CXX=-Kconform_pic
+ fi
+ ;;
+ hpux*)
+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+ # not for PA HP-UX.
+ case $host_cpu in
+ hppa*64*|ia64*)
+ ;;
+ *)
+ lt_prog_compiler_pic_CXX='-fPIC'
+ ;;
+ esac
+ ;;
+ *)
+ lt_prog_compiler_pic_CXX='-fPIC'
+ ;;
+ esac
+ else
+ case $host_os in
+ aix[4-9]*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ lt_prog_compiler_static_CXX='-Bstatic'
+ else
+ lt_prog_compiler_static_CXX='-bnso -bI:/lib/syscalls.exp'
+ fi
+ ;;
+ chorus*)
+ case $cc_basename in
+ cxch68*)
+ # Green Hills C++ Compiler
+ # _LT_AC_TAGVAR(lt_prog_compiler_static, CXX)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
+ ;;
+ esac
+ ;;
+ darwin*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ case $cc_basename in
+ xlc*)
+ lt_prog_compiler_pic_CXX='-qnocommon'
+ lt_prog_compiler_wl_CXX='-Wl,'
+ ;;
+ esac
+ ;;
+ dgux*)
+ case $cc_basename in
+ ec++*)
+ lt_prog_compiler_pic_CXX='-KPIC'
+ ;;
+ ghcx*)
+ # Green Hills C++ Compiler
+ lt_prog_compiler_pic_CXX='-pic'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ freebsd* | dragonfly*)
+ # FreeBSD uses GNU C++
+ ;;
+ hpux9* | hpux10* | hpux11*)
+ case $cc_basename in
+ CC*)
+ lt_prog_compiler_wl_CXX='-Wl,'
+ lt_prog_compiler_static_CXX='${wl}-a ${wl}archive'
+ if test "$host_cpu" != ia64; then
+ lt_prog_compiler_pic_CXX='+Z'
+ fi
+ ;;
+ aCC*)
+ lt_prog_compiler_wl_CXX='-Wl,'
+ lt_prog_compiler_static_CXX='${wl}-a ${wl}archive'
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ lt_prog_compiler_pic_CXX='+Z'
+ ;;
+ esac
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ interix*)
+ # This is c89, which is MS Visual C++ (no shared libs)
+ # Anyone wants to do a port?
+ ;;
+ irix5* | irix6* | nonstopux*)
+ case $cc_basename in
+ CC*)
+ lt_prog_compiler_wl_CXX='-Wl,'
+ lt_prog_compiler_static_CXX='-non_shared'
+ # CC pic flag -KPIC is the default.
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ linux* | k*bsd*-gnu)
+ case $cc_basename in
+ KCC*)
+ # KAI C++ Compiler
+ lt_prog_compiler_wl_CXX='--backend -Wl,'
+ lt_prog_compiler_pic_CXX='-fPIC'
+ ;;
+ icpc* | ecpc*)
+ # Intel C++
+ lt_prog_compiler_wl_CXX='-Wl,'
+ lt_prog_compiler_pic_CXX='-KPIC'
+ lt_prog_compiler_static_CXX='-static'
+ ;;
+ pgCC* | pgcpp*)
+ # Portland Group C++ compiler.
+ lt_prog_compiler_wl_CXX='-Wl,'
+ lt_prog_compiler_pic_CXX='-fpic'
+ lt_prog_compiler_static_CXX='-Bstatic'
+ ;;
+ cxx*)
+ # Compaq C++
+ # Make sure the PIC flag is empty. It appears that all Alpha
+ # Linux and Compaq Tru64 Unix objects are PIC.
+ lt_prog_compiler_pic_CXX=
+ lt_prog_compiler_static_CXX='-non_shared'
+ ;;
+ *)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C++ 5.9
+ lt_prog_compiler_pic_CXX='-KPIC'
+ lt_prog_compiler_static_CXX='-Bstatic'
+ lt_prog_compiler_wl_CXX='-Qoption ld '
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ lynxos*)
+ ;;
+ m88k*)
+ ;;
+ mvs*)
+ case $cc_basename in
+ cxx*)
+ lt_prog_compiler_pic_CXX='-W c,exportall'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ netbsd* | netbsdelf*-gnu)
+ ;;
+ osf3* | osf4* | osf5*)
+ case $cc_basename in
+ KCC*)
+ lt_prog_compiler_wl_CXX='--backend -Wl,'
+ ;;
+ RCC*)
+ # Rational C++ 2.4.1
+ lt_prog_compiler_pic_CXX='-pic'
+ ;;
+ cxx*)
+ # Digital/Compaq C++
+ lt_prog_compiler_wl_CXX='-Wl,'
+ # Make sure the PIC flag is empty. It appears that all Alpha
+ # Linux and Compaq Tru64 Unix objects are PIC.
+ lt_prog_compiler_pic_CXX=
+ lt_prog_compiler_static_CXX='-non_shared'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ psos*)
+ ;;
+ solaris*)
+ case $cc_basename in
+ CC*)
+ # Sun C++ 4.2, 5.x and Centerline C++
+ lt_prog_compiler_pic_CXX='-KPIC'
+ lt_prog_compiler_static_CXX='-Bstatic'
+ lt_prog_compiler_wl_CXX='-Qoption ld '
+ ;;
+ gcx*)
+ # Green Hills C++ Compiler
+ lt_prog_compiler_pic_CXX='-PIC'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ sunos4*)
+ case $cc_basename in
+ CC*)
+ # Sun C++ 4.x
+ lt_prog_compiler_pic_CXX='-pic'
+ lt_prog_compiler_static_CXX='-Bstatic'
+ ;;
+ lcc*)
+ # Lucid
+ lt_prog_compiler_pic_CXX='-pic'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ tandem*)
+ case $cc_basename in
+ NCC*)
+ # NonStop-UX NCC 3.20
+ lt_prog_compiler_pic_CXX='-KPIC'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+ case $cc_basename in
+ CC*)
+ lt_prog_compiler_wl_CXX='-Wl,'
+ lt_prog_compiler_pic_CXX='-KPIC'
+ lt_prog_compiler_static_CXX='-Bstatic'
+ ;;
+ esac
+ ;;
+ vxworks*)
+ ;;
+ *)
+ lt_prog_compiler_can_build_shared_CXX=no
+ ;;
+ esac
+ fi
+
+{ echo "$as_me:$LINENO: result: $lt_prog_compiler_pic_CXX" >&5
+echo "${ECHO_T}$lt_prog_compiler_pic_CXX" >&6; }
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$lt_prog_compiler_pic_CXX"; then
+
+{ echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works" >&5
+echo $ECHO_N "checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_pic_works_CXX+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_pic_works_CXX=no
+ ac_outfile=conftest.$ac_objext
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+ lt_compiler_flag="$lt_prog_compiler_pic_CXX -DPIC"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ # The option is referenced via a variable to avoid confusing sed.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:12827: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>conftest.err)
+ ac_status=$?
+ cat conftest.err >&5
+ echo "$as_me:12831: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s "$ac_outfile"; then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings other than the usual output.
+ $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_pic_works_CXX=yes
+ fi
+ fi
+ $rm conftest*
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works_CXX" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_pic_works_CXX" >&6; }
+
+if test x"$lt_cv_prog_compiler_pic_works_CXX" = xyes; then
+ case $lt_prog_compiler_pic_CXX in
+ "" | " "*) ;;
+ *) lt_prog_compiler_pic_CXX=" $lt_prog_compiler_pic_CXX" ;;
+ esac
+else
+ lt_prog_compiler_pic_CXX=
+ lt_prog_compiler_can_build_shared_CXX=no
+fi
+
+fi
+case $host_os in
+ # For platforms which do not support PIC, -DPIC is meaningless:
+ *djgpp*)
+ lt_prog_compiler_pic_CXX=
+ ;;
+ *)
+ lt_prog_compiler_pic_CXX="$lt_prog_compiler_pic_CXX -DPIC"
+ ;;
+esac
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$lt_prog_compiler_wl_CXX eval lt_tmp_static_flag=\"$lt_prog_compiler_static_CXX\"
+{ echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5
+echo $ECHO_N "checking if $compiler static flag $lt_tmp_static_flag works... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_static_works_CXX+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_static_works_CXX=no
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
+ echo "$lt_simple_link_test_code" > conftest.$ac_ext
+ if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+ # The linker can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ if test -s conftest.err; then
+ # Append any errors to the config.log.
+ cat conftest.err 1>&5
+ $echo "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_static_works_CXX=yes
+ fi
+ else
+ lt_cv_prog_compiler_static_works_CXX=yes
+ fi
+ fi
+ $rm -r conftest*
+ LDFLAGS="$save_LDFLAGS"
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works_CXX" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_static_works_CXX" >&6; }
+
+if test x"$lt_cv_prog_compiler_static_works_CXX" = xyes; then
+ :
+else
+ lt_prog_compiler_static_CXX=
+fi
+
+
+{ echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
+echo $ECHO_N "checking if $compiler supports -c -o file.$ac_objext... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_c_o_CXX+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_c_o_CXX=no
+ $rm -r conftest 2>/dev/null
+ mkdir conftest
+ cd conftest
+ mkdir out
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ lt_compiler_flag="-o out/conftest2.$ac_objext"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:12931: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>out/conftest.err)
+ ac_status=$?
+ cat out/conftest.err >&5
+ echo "$as_me:12935: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s out/conftest2.$ac_objext
+ then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+ $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+ if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_c_o_CXX=yes
+ fi
+ fi
+ chmod u+w . 2>&5
+ $rm conftest*
+ # SGI C++ compiler will create directory out/ii_files/ for
+ # template instantiation
+ test -d out/ii_files && $rm out/ii_files/* && rmdir out/ii_files
+ $rm out/* && rmdir out
+ cd ..
+ rmdir conftest
+ $rm conftest*
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o_CXX" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_c_o_CXX" >&6; }
+
+
+hard_links="nottested"
+if test "$lt_cv_prog_compiler_c_o_CXX" = no && test "$need_locks" != no; then
+ # do not overwrite the value of need_locks provided by the user
+ { echo "$as_me:$LINENO: checking if we can lock with hard links" >&5
+echo $ECHO_N "checking if we can lock with hard links... $ECHO_C" >&6; }
+ hard_links=yes
+ $rm conftest*
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ touch conftest.a
+ ln conftest.a conftest.b 2>&5 || hard_links=no
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ { echo "$as_me:$LINENO: result: $hard_links" >&5
+echo "${ECHO_T}$hard_links" >&6; }
+ if test "$hard_links" = no; then
+ { echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
+echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;}
+ need_locks=warn
+ fi
+else
+ need_locks=no
+fi
+
+{ echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared libraries... $ECHO_C" >&6; }
+
+ export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+ case $host_os in
+ aix[4-9]*)
+ # If we're using GNU nm, then we don't want the "-C" option.
+ # -C means demangle to AIX nm, but means don't demangle with GNU nm
+ if $NM -V 2>&1 | grep 'GNU' > /dev/null; then
+ export_symbols_cmds_CXX='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$2 == "T") || (\$2 == "D") || (\$2 == "B")) && (substr(\$3,1,1) != ".")) { print \$3 } }'\'' | sort -u > $export_symbols'
+ else
+ export_symbols_cmds_CXX='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$2 == "T") || (\$2 == "D") || (\$2 == "B")) && (substr(\$3,1,1) != ".")) { print \$3 } }'\'' | sort -u > $export_symbols'
+ fi
+ ;;
+ pw32*)
+ export_symbols_cmds_CXX="$ltdll_cmds"
+ ;;
+ cygwin* | mingw*)
+ export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;/^.*[ ]__nm__/s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
+ ;;
+ linux* | k*bsd*-gnu)
+ link_all_deplibs_CXX=no
+ ;;
+ *)
+ export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+ ;;
+ esac
+ exclude_expsyms_CXX='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
+
+{ echo "$as_me:$LINENO: result: $ld_shlibs_CXX" >&5
+echo "${ECHO_T}$ld_shlibs_CXX" >&6; }
+test "$ld_shlibs_CXX" = no && can_build_shared=no
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$archive_cmds_need_lc_CXX" in
+x|xyes)
+ # Assume -lc should be added
+ archive_cmds_need_lc_CXX=yes
+
+ if test "$enable_shared" = yes && test "$GCC" = yes; then
+ case $archive_cmds_CXX in
+ *'~'*)
+ # FIXME: we may have to deal with multi-command sequences.
+ ;;
+ '$CC '*)
+ # Test whether the compiler implicitly links with -lc since on some
+ # systems, -lgcc has to come before -lc. If gcc already passes -lc
+ # to ld, don't add -lc before -lgcc.
+ { echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5
+echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >&6; }
+ $rm conftest*
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } 2>conftest.err; then
+ soname=conftest
+ lib=conftest
+ libobjs=conftest.$ac_objext
+ deplibs=
+ wl=$lt_prog_compiler_wl_CXX
+ pic_flag=$lt_prog_compiler_pic_CXX
+ compiler_flags=-v
+ linker_flags=-v
+ verstring=
+ output_objdir=.
+ libname=conftest
+ lt_save_allow_undefined_flag=$allow_undefined_flag_CXX
+ allow_undefined_flag_CXX=
+ if { (eval echo "$as_me:$LINENO: \"$archive_cmds_CXX 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1\"") >&5
+ (eval $archive_cmds_CXX 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+ then
+ archive_cmds_need_lc_CXX=no
+ else
+ archive_cmds_need_lc_CXX=yes
+ fi
+ allow_undefined_flag_CXX=$lt_save_allow_undefined_flag
+ else
+ cat conftest.err 1>&5
+ fi
+ $rm conftest*
+ { echo "$as_me:$LINENO: result: $archive_cmds_need_lc_CXX" >&5
+echo "${ECHO_T}$archive_cmds_need_lc_CXX" >&6; }
+ ;;
+ esac
+ fi
+ ;;
+esac
+
+{ echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5
+echo $ECHO_N "checking dynamic linker characteristics... $ECHO_C" >&6; }
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+ shlibpath_var=LIBPATH
+
+ # AIX 3 has no versioning support, so we append a major version to the name.
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+
+aix[4-9]*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ hardcode_into_libs=yes
+ if test "$host_cpu" = ia64; then
+ # AIX 5 supports IA64
+ library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ else
+ # With GCC up to 2.95.x, collect2 would create an import file
+ # for dependence libraries. The import file would start with
+ # the line `#! .'. This would cause the generated library to
+ # depend on `.', always an invalid library. This was fixed in
+ # development snapshots of GCC prior to 3.0.
+ case $host_os in
+ aix4 | aix4.[01] | aix4.[01].*)
+ if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+ echo ' yes '
+ echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then
+ :
+ else
+ can_build_shared=no
+ fi
+ ;;
+ esac
+ # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+ # soname into executable. Probably we can add versioning support to
+ # collect2, so additional links can be useful in future.
+ if test "$aix_use_runtimelinking" = yes; then
+ # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+ # instead of lib<name>.a to let people know that these are not
+ # typical AIX shared libraries.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ else
+ # We preserve .a as extension for shared libraries through AIX4.2
+ # and later when we are not doing run time linking.
+ library_names_spec='${libname}${release}.a $libname.a'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ fi
+ shlibpath_var=LIBPATH
+ fi
+ ;;
+
+amigaos*)
+ library_names_spec='$libname.ixlibrary $libname.a'
+ # Create ${libname}_ixlibrary.a entries in /sys/libs.
+ finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+ ;;
+
+beos*)
+ library_names_spec='${libname}${shared_ext}'
+ dynamic_linker="$host_os ld.so"
+ shlibpath_var=LIBRARY_PATH
+ ;;
+
+bsdi[45]*)
+ version_type=linux
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+ sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+ # the default ld.so.conf also contains /usr/contrib/lib and
+ # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+ # libtool to hard-code these into programs
+ ;;
+
+cygwin* | mingw* | pw32*)
+ version_type=windows
+ shrext_cmds=".dll"
+ need_version=no
+ need_lib_prefix=no
+
+ case $GCC,$host_os in
+ yes,cygwin* | yes,mingw* | yes,pw32*)
+ library_names_spec='$libname.dll.a'
+ # DLL is installed to $(libdir)/../bin by postinstall_cmds
+ postinstall_cmds='base_file=`basename \${file}`~
+ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i;echo \$dlname'\''`~
+ dldir=$destdir/`dirname \$dlpath`~
+ test -d \$dldir || mkdir -p \$dldir~
+ $install_prog $dir/$dlname \$dldir/$dlname~
+ chmod a+x \$dldir/$dlname'
+ postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+ dlpath=$dir/\$dldll~
+ $rm \$dlpath'
+ shlibpath_overrides_runpath=yes
+
+ case $host_os in
+ cygwin*)
+ # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+ soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
+ ;;
+ mingw*)
+ # MinGW DLLs use traditional 'lib' prefix
+ soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+ if echo "$sys_lib_search_path_spec" | grep ';[c-zC-Z]:/' >/dev/null; then
+ # It is most probably a Windows format PATH printed by
+ # mingw gcc, but we are running on Cygwin. Gcc prints its search
+ # path with ; separators, and with drive letters. We can handle the
+ # drive letters (cygwin fileutils understands them), so leave them,
+ # especially as we might pass files found there to a mingw objdump,
+ # which wouldn't understand a cygwinified path. Ahh.
+ sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+ else
+ sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+ fi
+ ;;
+ pw32*)
+ # pw32 DLLs use 'pw' prefix rather than 'lib'
+ library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ ;;
+ esac
+ ;;
+
+ *)
+ library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib'
+ ;;
+ esac
+ dynamic_linker='Win32 ld.exe'
+ # FIXME: first we should search . and the directory the executable is in
+ shlibpath_var=PATH
+ ;;
+
+darwin* | rhapsody*)
+ dynamic_linker="$host_os dyld"
+ version_type=darwin
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${versuffix}$shared_ext ${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+ soname_spec='${libname}${release}${major}$shared_ext'
+ shlibpath_overrides_runpath=yes
+ shlibpath_var=DYLD_LIBRARY_PATH
+ shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+
+ sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+ ;;
+
+dgux*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+freebsd1*)
+ dynamic_linker=no
+ ;;
+
+freebsd* | dragonfly*)
+ # DragonFly does not have aout. When/if they implement a new
+ # versioning mechanism, adjust this.
+ if test -x /usr/bin/objformat; then
+ objformat=`/usr/bin/objformat`
+ else
+ case $host_os in
+ freebsd[123]*) objformat=aout ;;
+ *) objformat=elf ;;
+ esac
+ fi
+ version_type=freebsd-$objformat
+ case $version_type in
+ freebsd-elf*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ need_version=no
+ need_lib_prefix=no
+ ;;
+ freebsd-*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+ need_version=yes
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_os in
+ freebsd2*)
+ shlibpath_overrides_runpath=yes
+ ;;
+ freebsd3.[01]* | freebsdelf3.[01]*)
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
+ freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+ *) # from 4.6 on, and DragonFly
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ esac
+ ;;
+
+gnu*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ hardcode_into_libs=yes
+ ;;
+
+hpux9* | hpux10* | hpux11*)
+ # Give a soname corresponding to the major version so that dld.sl refuses to
+ # link against other versions.
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ case $host_cpu in
+ ia64*)
+ shrext_cmds='.so'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.so"
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ if test "X$HPUX_IA64_MODE" = X32; then
+ sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+ else
+ sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+ fi
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ hppa*64*)
+ shrext_cmds='.sl'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ *)
+ shrext_cmds='.sl'
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=SHLIB_PATH
+ shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+ esac
+ # HP-UX runs *really* slowly unless shared libraries are mode 555.
+ postinstall_cmds='chmod 555 $lib'
+ ;;
+
+interix[3-9]*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+
+irix5* | irix6* | nonstopux*)
+ case $host_os in
+ nonstopux*) version_type=nonstopux ;;
+ *)
+ if test "$lt_cv_prog_gnu_ld" = yes; then
+ version_type=linux
+ else
+ version_type=irix
+ fi ;;
+ esac
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+ case $host_os in
+ irix5* | nonstopux*)
+ libsuff= shlibsuff=
+ ;;
+ *)
+ case $LD in # libtool.m4 will add one of these switches to LD
+ *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+ libsuff= shlibsuff= libmagic=32-bit;;
+ *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+ libsuff=32 shlibsuff=N32 libmagic=N32;;
+ *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+ libsuff=64 shlibsuff=64 libmagic=64-bit;;
+ *) libsuff= shlibsuff= libmagic=never-match;;
+ esac
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+ sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+ hardcode_into_libs=yes
+ ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+ dynamic_linker=no
+ ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ # This implies no fast_install, which is unacceptable.
+ # Some rework will be needed to allow for fast_install
+ # before this can be enabled.
+ hardcode_into_libs=yes
+
+ # Append ld.so.conf contents to the search path
+ if test -f /etc/ld.so.conf; then
+ lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
+ sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+ fi
+
+ # We used to test for /lib/ld.so.1 and disable shared libraries on
+ # powerpc, because MkLinux only supported shared libraries with the
+ # GNU dynamic linker. Since this was broken with cross compilers,
+ # most powerpc-linux boxes support dynamic linking these days and
+ # people can always --disable-shared, the test was removed, and we
+ # assume the GNU/Linux dynamic linker is in use.
+ dynamic_linker='GNU/Linux ld.so'
+ ;;
+
+netbsdelf*-gnu)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ dynamic_linker='NetBSD ld.elf_so'
+ ;;
+
+netbsd*)
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ dynamic_linker='NetBSD (a.out) ld.so'
+ else
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='NetBSD ld.elf_so'
+ fi
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+
+newsos6)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ ;;
+
+nto-qnx*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ ;;
+
+openbsd*)
+ version_type=sunos
+ sys_lib_dlsearch_path_spec="/usr/lib"
+ need_lib_prefix=no
+ # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+ case $host_os in
+ openbsd3.3 | openbsd3.3.*) need_version=yes ;;
+ *) need_version=no ;;
+ esac
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ case $host_os in
+ openbsd2.[89] | openbsd2.[89].*)
+ shlibpath_overrides_runpath=no
+ ;;
+ *)
+ shlibpath_overrides_runpath=yes
+ ;;
+ esac
+ else
+ shlibpath_overrides_runpath=yes
+ fi
+ ;;
+
+os2*)
+ libname_spec='$name'
+ shrext_cmds=".dll"
+ need_lib_prefix=no
+ library_names_spec='$libname${shared_ext} $libname.a'
+ dynamic_linker='OS/2 ld.exe'
+ shlibpath_var=LIBPATH
+ ;;
+
+osf3* | osf4* | osf5*)
+ version_type=osf
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+ sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+ ;;
+
+rdos*)
+ dynamic_linker=no
+ ;;
+
+solaris*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ # ldd complains unless libraries are executable
+ postinstall_cmds='chmod +x $lib'
+ ;;
+
+sunos4*)
+ version_type=sunos
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ if test "$with_gnu_ld" = yes; then
+ need_lib_prefix=no
+ fi
+ need_version=yes
+ ;;
+
+sysv4 | sysv4.3*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_vendor in
+ sni)
+ shlibpath_overrides_runpath=no
+ need_lib_prefix=no
+ export_dynamic_flag_spec='${wl}-Blargedynsym'
+ runpath_var=LD_RUN_PATH
+ ;;
+ siemens)
+ need_lib_prefix=no
+ ;;
+ motorola)
+ need_lib_prefix=no
+ need_version=no
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+ ;;
+ esac
+ ;;
+
+sysv4*MP*)
+ if test -d /usr/nec ;then
+ version_type=linux
+ library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+ soname_spec='$libname${shared_ext}.$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ fi
+ ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+ version_type=freebsd-elf
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ hardcode_into_libs=yes
+ if test "$with_gnu_ld" = yes; then
+ sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+ shlibpath_overrides_runpath=no
+ else
+ sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+ shlibpath_overrides_runpath=yes
+ case $host_os in
+ sco3.2v5*)
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+ ;;
+ esac
+ fi
+ sys_lib_dlsearch_path_spec='/usr/lib'
+ ;;
+
+uts4*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+*)
+ dynamic_linker=no
+ ;;
+esac
+{ echo "$as_me:$LINENO: result: $dynamic_linker" >&5
+echo "${ECHO_T}$dynamic_linker" >&6; }
+test "$dynamic_linker" = no && can_build_shared=no
+
+if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_sys_lib_search_path_spec="$sys_lib_search_path_spec"
+fi
+
+sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec"
+fi
+
+sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+ variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+{ echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5
+echo $ECHO_N "checking how to hardcode library paths into programs... $ECHO_C" >&6; }
+hardcode_action_CXX=
+if test -n "$hardcode_libdir_flag_spec_CXX" || \
+ test -n "$runpath_var_CXX" || \
+ test "X$hardcode_automatic_CXX" = "Xyes" ; then
+
+ # We can hardcode non-existant directories.
+ if test "$hardcode_direct_CXX" != no &&
+ # If the only mechanism to avoid hardcoding is shlibpath_var, we
+ # have to relink, otherwise we might link with an installed library
+ # when we should be linking with a yet-to-be-installed one
+ ## test "$_LT_AC_TAGVAR(hardcode_shlibpath_var, CXX)" != no &&
+ test "$hardcode_minus_L_CXX" != no; then
+ # Linking always hardcodes the temporary library directory.
+ hardcode_action_CXX=relink
+ else
+ # We can link without hardcoding, and we can hardcode nonexisting dirs.
+ hardcode_action_CXX=immediate
+ fi
+else
+ # We cannot hardcode anything, or else we can only hardcode existing
+ # directories.
+ hardcode_action_CXX=unsupported
+fi
+{ echo "$as_me:$LINENO: result: $hardcode_action_CXX" >&5
+echo "${ECHO_T}$hardcode_action_CXX" >&6; }
+
+if test "$hardcode_action_CXX" = relink; then
+ # Fast installation is not supported
+ enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+ test "$enable_shared" = no; then
+ # Fast installation is not necessary
+ enable_fast_install=needless
+fi
+
+
+# The else clause should only fire when bootstrapping the
+# libtool distribution, otherwise you forgot to ship ltmain.sh
+# with your package, and you will get complaints that there are
+# no rules to generate ltmain.sh.
+if test -f "$ltmain"; then
+ # See if we are running on zsh, and set the options which allow our commands through
+ # without removal of \ escapes.
+ if test -n "${ZSH_VERSION+set}" ; then
+ setopt NO_GLOB_SUBST
+ fi
+ # Now quote all the things that may contain metacharacters while being
+ # careful not to overquote the AC_SUBSTed values. We take copies of the
+ # variables and quote the copies for generation of the libtool script.
+ for var in echo old_CC old_CFLAGS AR AR_FLAGS EGREP RANLIB LN_S LTCC LTCFLAGS NM \
+ SED SHELL STRIP \
+ libname_spec library_names_spec soname_spec extract_expsyms_cmds \
+ old_striplib striplib file_magic_cmd finish_cmds finish_eval \
+ deplibs_check_method reload_flag reload_cmds need_locks \
+ lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl \
+ lt_cv_sys_global_symbol_to_c_name_address \
+ sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
+ old_postinstall_cmds old_postuninstall_cmds \
+ compiler_CXX \
+ CC_CXX \
+ LD_CXX \
+ lt_prog_compiler_wl_CXX \
+ lt_prog_compiler_pic_CXX \
+ lt_prog_compiler_static_CXX \
+ lt_prog_compiler_no_builtin_flag_CXX \
+ export_dynamic_flag_spec_CXX \
+ thread_safe_flag_spec_CXX \
+ whole_archive_flag_spec_CXX \
+ enable_shared_with_static_runtimes_CXX \
+ old_archive_cmds_CXX \
+ old_archive_from_new_cmds_CXX \
+ predep_objects_CXX \
+ postdep_objects_CXX \
+ predeps_CXX \
+ postdeps_CXX \
+ compiler_lib_search_path_CXX \
+ compiler_lib_search_dirs_CXX \
+ archive_cmds_CXX \
+ archive_expsym_cmds_CXX \
+ postinstall_cmds_CXX \
+ postuninstall_cmds_CXX \
+ old_archive_from_expsyms_cmds_CXX \
+ allow_undefined_flag_CXX \
+ no_undefined_flag_CXX \
+ export_symbols_cmds_CXX \
+ hardcode_libdir_flag_spec_CXX \
+ hardcode_libdir_flag_spec_ld_CXX \
+ hardcode_libdir_separator_CXX \
+ hardcode_automatic_CXX \
+ module_cmds_CXX \
+ module_expsym_cmds_CXX \
+ lt_cv_prog_compiler_c_o_CXX \
+ fix_srcfile_path_CXX \
+ exclude_expsyms_CXX \
+ include_expsyms_CXX; do
+
+ case $var in
+ old_archive_cmds_CXX | \
+ old_archive_from_new_cmds_CXX | \
+ archive_cmds_CXX | \
+ archive_expsym_cmds_CXX | \
+ module_cmds_CXX | \
+ module_expsym_cmds_CXX | \
+ old_archive_from_expsyms_cmds_CXX | \
+ export_symbols_cmds_CXX | \
+ extract_expsyms_cmds | reload_cmds | finish_cmds | \
+ postinstall_cmds | postuninstall_cmds | \
+ old_postinstall_cmds | old_postuninstall_cmds | \
+ sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
+ # Double-quote double-evaled strings.
+ eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
+ ;;
+ *)
+ eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
+ ;;
+ esac
+ done
+
+ case $lt_echo in
+ *'\$0 --fallback-echo"')
+ lt_echo=`$echo "X$lt_echo" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
+ ;;
+ esac
+
+cfgfile="$ofile"
+
+ cat <<__EOF__ >> "$cfgfile"
+# ### BEGIN LIBTOOL TAG CONFIG: $tagname
+
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+
+# Shell to use when invoking shell scripts.
+SHELL=$lt_SHELL
+
+# Whether or not to build shared libraries.
+build_libtool_libs=$enable_shared
+
+# Whether or not to build static libraries.
+build_old_libs=$enable_static
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc_CXX
+
+# Whether or not to disallow shared libs when runtime libs are static
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_CXX
+
+# Whether or not to optimize for fast installation.
+fast_install=$enable_fast_install
+
+# The host system.
+host_alias=$host_alias
+host=$host
+host_os=$host_os
+
+# The build system.
+build_alias=$build_alias
+build=$build
+build_os=$build_os
+
+# An echo program that does not interpret backslashes.
+echo=$lt_echo
+
+# The archiver.
+AR=$lt_AR
+AR_FLAGS=$lt_AR_FLAGS
+
+# A C compiler.
+LTCC=$lt_LTCC
+
+# LTCC compiler flags.
+LTCFLAGS=$lt_LTCFLAGS
+
+# A language-specific compiler.
+CC=$lt_compiler_CXX
+
+# Is the compiler the GNU C compiler?
+with_gcc=$GCC_CXX
+
+# An ERE matcher.
+EGREP=$lt_EGREP
+
+# The linker used to build libraries.
+LD=$lt_LD_CXX
+
+# Whether we need hard or soft links.
+LN_S=$lt_LN_S
+
+# A BSD-compatible nm program.
+NM=$lt_NM
+
+# A symbol stripping program
+STRIP=$lt_STRIP
+
+# Used to examine libraries when file_magic_cmd begins "file"
+MAGIC_CMD=$MAGIC_CMD
+
+# Used on cygwin: DLL creation program.
+DLLTOOL="$DLLTOOL"
+
+# Used on cygwin: object dumper.
+OBJDUMP="$OBJDUMP"
+
+# Used on cygwin: assembler.
+AS="$AS"
+
+# The name of the directory that contains temporary libtool files.
+objdir=$objdir
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag
+reload_cmds=$lt_reload_cmds
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl_CXX
+
+# Object file suffix (normally "o").
+objext="$ac_objext"
+
+# Old archive suffix (normally "a").
+libext="$libext"
+
+# Shared library suffix (normally ".so").
+shrext_cmds='$shrext_cmds'
+
+# Executable file suffix (normally "").
+exeext="$exeext"
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic_CXX
+pic_mode=$pic_mode
+
+# What is the maximum length of a command?
+max_cmd_len=$lt_cv_sys_max_cmd_len
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o_CXX
+
+# Must we lock files when doing compilation?
+need_locks=$lt_need_locks
+
+# Do we need the lib prefix for modules?
+need_lib_prefix=$need_lib_prefix
+
+# Do we need a version for libraries?
+need_version=$need_version
+
+# Whether dlopen is supported.
+dlopen_support=$enable_dlopen
+
+# Whether dlopen of programs is supported.
+dlopen_self=$enable_dlopen_self
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=$enable_dlopen_self_static
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static_CXX
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_CXX
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_CXX
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec_CXX
+
+# Compiler flag to generate thread-safe objects.
+thread_safe_flag_spec=$lt_thread_safe_flag_spec_CXX
+
+# Library versioning type.
+version_type=$version_type
+
+# Format of library name prefix.
+libname_spec=$lt_libname_spec
+
+# List of archive names. First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME.
+library_names_spec=$lt_library_names_spec
+
+# The coded name of the library, if different from the real name.
+soname_spec=$lt_soname_spec
+
+# Commands used to build and install an old-style archive.
+RANLIB=$lt_RANLIB
+old_archive_cmds=$lt_old_archive_cmds_CXX
+old_postinstall_cmds=$lt_old_postinstall_cmds
+old_postuninstall_cmds=$lt_old_postuninstall_cmds
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_CXX
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_CXX
+
+# Commands used to build and install a shared archive.
+archive_cmds=$lt_archive_cmds_CXX
+archive_expsym_cmds=$lt_archive_expsym_cmds_CXX
+postinstall_cmds=$lt_postinstall_cmds
+postuninstall_cmds=$lt_postuninstall_cmds
+
+# Commands used to build a loadable module (assumed same as above if empty)
+module_cmds=$lt_module_cmds_CXX
+module_expsym_cmds=$lt_module_expsym_cmds_CXX
+
+# Commands to strip libraries.
+old_striplib=$lt_old_striplib
+striplib=$lt_striplib
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predep_objects=$lt_predep_objects_CXX
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdep_objects=$lt_postdep_objects_CXX
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predeps=$lt_predeps_CXX
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdeps=$lt_postdeps_CXX
+
+# The directories searched by this compiler when creating a shared
+# library
+compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_CXX
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=$lt_compiler_lib_search_path_CXX
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method=$lt_deplibs_check_method
+
+# Command to use when deplibs_check_method == file_magic.
+file_magic_cmd=$lt_file_magic_cmd
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag_CXX
+
+# Flag that forces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag_CXX
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds=$lt_finish_cmds
+
+# Same as above, but a single script fragment to be evaled but not shown.
+finish_eval=$lt_finish_eval
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
+
+# Transform the output of nm in a proper C declaration
+global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
+
+# Transform the output of nm in a C name address pair
+global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
+
+# This is the shared library runtime path variable.
+runpath_var=$runpath_var
+
+# This is the shared library path variable.
+shlibpath_var=$shlibpath_var
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=$shlibpath_overrides_runpath
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action_CXX
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=$hardcode_into_libs
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist.
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_CXX
+
+# If ld is used when linking, flag to hardcode \$libdir into
+# a binary during linking. This must work even if \$libdir does
+# not exist.
+hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld_CXX
+
+# Whether we need a single -rpath flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator_CXX
+
+# Set to yes if using DIR/libNAME${shared_ext} during linking hardcodes DIR into the
+# resulting binary.
+hardcode_direct=$hardcode_direct_CXX
+
+# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
+# resulting binary.
+hardcode_minus_L=$hardcode_minus_L_CXX
+
+# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
+# the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var_CXX
+
+# Set to yes if building a shared library automatically hardcodes DIR into the library
+# and all subsequent libraries and executables linked against it.
+hardcode_automatic=$hardcode_automatic_CXX
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at relink time.
+variables_saved_for_relink="$variables_saved_for_relink"
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs_CXX
+
+# Compile-time system search path for libraries
+sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
+
+# Run-time system search path for libraries
+sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+
+# Fix the shell variable \$srcfile for the compiler.
+fix_srcfile_path=$lt_fix_srcfile_path
+
+# Set to yes if exported symbols are required.
+always_export_symbols=$always_export_symbols_CXX
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds_CXX
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=$lt_extract_expsyms_cmds
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms_CXX
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms_CXX
+
+# ### END LIBTOOL TAG CONFIG: $tagname
+
+__EOF__
+
+
+else
+ # If there is no Makefile yet, we rely on a make rule to execute
+ # `config.status --recheck' to rerun these tests and create the
+ # libtool script then.
+ ltmain_in=`echo $ltmain | sed -e 's/\.sh$/.in/'`
+ if test -f "$ltmain_in"; then
+ test -f Makefile && make "$ltmain"
+ fi
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+CC=$lt_save_CC
+LDCXX=$LD
+LD=$lt_save_LD
+GCC=$lt_save_GCC
+with_gnu_ldcxx=$with_gnu_ld
+with_gnu_ld=$lt_save_with_gnu_ld
+lt_cv_path_LDCXX=$lt_cv_path_LD
+lt_cv_path_LD=$lt_save_path_LD
+lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
+lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
+
+ else
+ tagname=""
+ fi
+ ;;
+
+ F77)
+ if test -n "$F77" && test "X$F77" != "Xno"; then
+
+ac_ext=f
+ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'
+ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_f77_compiler_gnu
+
+
+archive_cmds_need_lc_F77=no
+allow_undefined_flag_F77=
+always_export_symbols_F77=no
+archive_expsym_cmds_F77=
+export_dynamic_flag_spec_F77=
+hardcode_direct_F77=no
+hardcode_libdir_flag_spec_F77=
+hardcode_libdir_flag_spec_ld_F77=
+hardcode_libdir_separator_F77=
+hardcode_minus_L_F77=no
+hardcode_automatic_F77=no
+module_cmds_F77=
+module_expsym_cmds_F77=
+link_all_deplibs_F77=unknown
+old_archive_cmds_F77=$old_archive_cmds
+no_undefined_flag_F77=
+whole_archive_flag_spec_F77=
+enable_shared_with_static_runtimes_F77=no
+
+# Source file extension for f77 test sources.
+ac_ext=f
+
+# Object file extension for compiled f77 test sources.
+objext=o
+objext_F77=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="\
+ subroutine t
+ return
+ end
+"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code="\
+ program t
+ end
+"
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+
+# save warnings/boilerplate of simple test code
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$rm conftest*
+
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$rm -r conftest*
+
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+CC=${F77-"f77"}
+compiler=$CC
+compiler_F77=$CC
+for cc_temp in $compiler""; do
+ case $cc_temp in
+ compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+ distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+ \-*) ;;
+ *) break;;
+ esac
+done
+cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+
+
+{ echo "$as_me:$LINENO: checking if libtool supports shared libraries" >&5
+echo $ECHO_N "checking if libtool supports shared libraries... $ECHO_C" >&6; }
+{ echo "$as_me:$LINENO: result: $can_build_shared" >&5
+echo "${ECHO_T}$can_build_shared" >&6; }
+
+{ echo "$as_me:$LINENO: checking whether to build shared libraries" >&5
+echo $ECHO_N "checking whether to build shared libraries... $ECHO_C" >&6; }
+test "$can_build_shared" = "no" && enable_shared=no
+
+# On AIX, shared libraries and static libraries use the same namespace, and
+# are all built from PIC.
+case $host_os in
+aix3*)
+ test "$enable_shared" = yes && enable_static=no
+ if test -n "$RANLIB"; then
+ archive_cmds="$archive_cmds~\$RANLIB \$lib"
+ postinstall_cmds='$RANLIB $lib'
+ fi
+ ;;
+aix[4-9]*)
+ if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+ test "$enable_shared" = yes && enable_static=no
+ fi
+ ;;
+esac
+{ echo "$as_me:$LINENO: result: $enable_shared" >&5
+echo "${ECHO_T}$enable_shared" >&6; }
+
+{ echo "$as_me:$LINENO: checking whether to build static libraries" >&5
+echo $ECHO_N "checking whether to build static libraries... $ECHO_C" >&6; }
+# Make sure either enable_shared or enable_static is yes.
+test "$enable_shared" = yes || enable_static=yes
+{ echo "$as_me:$LINENO: result: $enable_static" >&5
+echo "${ECHO_T}$enable_static" >&6; }
+
+GCC_F77="$G77"
+LD_F77="$LD"
+
+lt_prog_compiler_wl_F77=
+lt_prog_compiler_pic_F77=
+lt_prog_compiler_static_F77=
+
+{ echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5
+echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6; }
+
+ if test "$GCC" = yes; then
+ lt_prog_compiler_wl_F77='-Wl,'
+ lt_prog_compiler_static_F77='-static'
+
+ case $host_os in
+ aix*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ lt_prog_compiler_static_F77='-Bstatic'
+ fi
+ ;;
+
+ amigaos*)
+ # FIXME: we need at least 68020 code to build shared libraries, but
+ # adding the `-m68020' flag to GCC prevents building anything better,
+ # like `-m68040'.
+ lt_prog_compiler_pic_F77='-m68020 -resident32 -malways-restore-a4'
+ ;;
+
+ beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+ # PIC is the default for these OSes.
+ ;;
+
+ mingw* | cygwin* | pw32* | os2*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ # Although the cygwin gcc ignores -fPIC, still need this for old-style
+ # (--disable-auto-import) libraries
+ lt_prog_compiler_pic_F77='-DDLL_EXPORT'
+ ;;
+
+ darwin* | rhapsody*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ lt_prog_compiler_pic_F77='-fno-common'
+ ;;
+
+ interix[3-9]*)
+ # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+ # Instead, we relocate shared libraries at runtime.
+ ;;
+
+ msdosdjgpp*)
+ # Just because we use GCC doesn't mean we suddenly get shared libraries
+ # on systems that don't support them.
+ lt_prog_compiler_can_build_shared_F77=no
+ enable_shared=no
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ lt_prog_compiler_pic_F77=-Kconform_pic
+ fi
+ ;;
+
+ hpux*)
+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+ # not for PA HP-UX.
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ lt_prog_compiler_pic_F77='-fPIC'
+ ;;
+ esac
+ ;;
+
+ *)
+ lt_prog_compiler_pic_F77='-fPIC'
+ ;;
+ esac
+ else
+ # PORTME Check for flag to pass linker flags through the system compiler.
+ case $host_os in
+ aix*)
+ lt_prog_compiler_wl_F77='-Wl,'
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ lt_prog_compiler_static_F77='-Bstatic'
+ else
+ lt_prog_compiler_static_F77='-bnso -bI:/lib/syscalls.exp'
+ fi
+ ;;
+ darwin*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ case $cc_basename in
+ xlc*)
+ lt_prog_compiler_pic_F77='-qnocommon'
+ lt_prog_compiler_wl_F77='-Wl,'
+ ;;
+ esac
+ ;;
+
+ mingw* | cygwin* | pw32* | os2*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ lt_prog_compiler_pic_F77='-DDLL_EXPORT'
+ ;;
+
+ hpux9* | hpux10* | hpux11*)
+ lt_prog_compiler_wl_F77='-Wl,'
+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+ # not for PA HP-UX.
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ lt_prog_compiler_pic_F77='+Z'
+ ;;
+ esac
+ # Is there a better lt_prog_compiler_static that works with the bundled CC?
+ lt_prog_compiler_static_F77='${wl}-a ${wl}archive'
+ ;;
+
+ irix5* | irix6* | nonstopux*)
+ lt_prog_compiler_wl_F77='-Wl,'
+ # PIC (with -KPIC) is the default.
+ lt_prog_compiler_static_F77='-non_shared'
+ ;;
+
+ newsos6)
+ lt_prog_compiler_pic_F77='-KPIC'
+ lt_prog_compiler_static_F77='-Bstatic'
+ ;;
+
+ linux* | k*bsd*-gnu)
+ case $cc_basename in
+ icc* | ecc*)
+ lt_prog_compiler_wl_F77='-Wl,'
+ lt_prog_compiler_pic_F77='-KPIC'
+ lt_prog_compiler_static_F77='-static'
+ ;;
+ pgcc* | pgf77* | pgf90* | pgf95*)
+ # Portland Group compilers (*not* the Pentium gcc compiler,
+ # which looks to be a dead project)
+ lt_prog_compiler_wl_F77='-Wl,'
+ lt_prog_compiler_pic_F77='-fpic'
+ lt_prog_compiler_static_F77='-Bstatic'
+ ;;
+ ccc*)
+ lt_prog_compiler_wl_F77='-Wl,'
+ # All Alpha code is PIC.
+ lt_prog_compiler_static_F77='-non_shared'
+ ;;
+ *)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C 5.9
+ lt_prog_compiler_pic_F77='-KPIC'
+ lt_prog_compiler_static_F77='-Bstatic'
+ lt_prog_compiler_wl_F77='-Wl,'
+ ;;
+ *Sun\ F*)
+ # Sun Fortran 8.3 passes all unrecognized flags to the linker
+ lt_prog_compiler_pic_F77='-KPIC'
+ lt_prog_compiler_static_F77='-Bstatic'
+ lt_prog_compiler_wl_F77=''
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+
+ osf3* | osf4* | osf5*)
+ lt_prog_compiler_wl_F77='-Wl,'
+ # All OSF/1 code is PIC.
+ lt_prog_compiler_static_F77='-non_shared'
+ ;;
+
+ rdos*)
+ lt_prog_compiler_static_F77='-non_shared'
+ ;;
+
+ solaris*)
+ lt_prog_compiler_pic_F77='-KPIC'
+ lt_prog_compiler_static_F77='-Bstatic'
+ case $cc_basename in
+ f77* | f90* | f95*)
+ lt_prog_compiler_wl_F77='-Qoption ld ';;
+ *)
+ lt_prog_compiler_wl_F77='-Wl,';;
+ esac
+ ;;
+
+ sunos4*)
+ lt_prog_compiler_wl_F77='-Qoption ld '
+ lt_prog_compiler_pic_F77='-PIC'
+ lt_prog_compiler_static_F77='-Bstatic'
+ ;;
+
+ sysv4 | sysv4.2uw2* | sysv4.3*)
+ lt_prog_compiler_wl_F77='-Wl,'
+ lt_prog_compiler_pic_F77='-KPIC'
+ lt_prog_compiler_static_F77='-Bstatic'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec ;then
+ lt_prog_compiler_pic_F77='-Kconform_pic'
+ lt_prog_compiler_static_F77='-Bstatic'
+ fi
+ ;;
+
+ sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+ lt_prog_compiler_wl_F77='-Wl,'
+ lt_prog_compiler_pic_F77='-KPIC'
+ lt_prog_compiler_static_F77='-Bstatic'
+ ;;
+
+ unicos*)
+ lt_prog_compiler_wl_F77='-Wl,'
+ lt_prog_compiler_can_build_shared_F77=no
+ ;;
+
+ uts4*)
+ lt_prog_compiler_pic_F77='-pic'
+ lt_prog_compiler_static_F77='-Bstatic'
+ ;;
+
+ *)
+ lt_prog_compiler_can_build_shared_F77=no
+ ;;
+ esac
+ fi
+
+{ echo "$as_me:$LINENO: result: $lt_prog_compiler_pic_F77" >&5
+echo "${ECHO_T}$lt_prog_compiler_pic_F77" >&6; }
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$lt_prog_compiler_pic_F77"; then
+
+{ echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic_F77 works" >&5
+echo $ECHO_N "checking if $compiler PIC flag $lt_prog_compiler_pic_F77 works... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_pic_works_F77+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_pic_works_F77=no
+ ac_outfile=conftest.$ac_objext
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+ lt_compiler_flag="$lt_prog_compiler_pic_F77"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ # The option is referenced via a variable to avoid confusing sed.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:14529: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>conftest.err)
+ ac_status=$?
+ cat conftest.err >&5
+ echo "$as_me:14533: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s "$ac_outfile"; then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings other than the usual output.
+ $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_pic_works_F77=yes
+ fi
+ fi
+ $rm conftest*
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works_F77" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_pic_works_F77" >&6; }
+
+if test x"$lt_cv_prog_compiler_pic_works_F77" = xyes; then
+ case $lt_prog_compiler_pic_F77 in
+ "" | " "*) ;;
+ *) lt_prog_compiler_pic_F77=" $lt_prog_compiler_pic_F77" ;;
+ esac
+else
+ lt_prog_compiler_pic_F77=
+ lt_prog_compiler_can_build_shared_F77=no
+fi
+
+fi
+case $host_os in
+ # For platforms which do not support PIC, -DPIC is meaningless:
+ *djgpp*)
+ lt_prog_compiler_pic_F77=
+ ;;
+ *)
+ lt_prog_compiler_pic_F77="$lt_prog_compiler_pic_F77"
+ ;;
+esac
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$lt_prog_compiler_wl_F77 eval lt_tmp_static_flag=\"$lt_prog_compiler_static_F77\"
+{ echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5
+echo $ECHO_N "checking if $compiler static flag $lt_tmp_static_flag works... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_static_works_F77+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_static_works_F77=no
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
+ echo "$lt_simple_link_test_code" > conftest.$ac_ext
+ if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+ # The linker can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ if test -s conftest.err; then
+ # Append any errors to the config.log.
+ cat conftest.err 1>&5
+ $echo "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_static_works_F77=yes
+ fi
+ else
+ lt_cv_prog_compiler_static_works_F77=yes
+ fi
+ fi
+ $rm -r conftest*
+ LDFLAGS="$save_LDFLAGS"
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works_F77" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_static_works_F77" >&6; }
+
+if test x"$lt_cv_prog_compiler_static_works_F77" = xyes; then
+ :
+else
+ lt_prog_compiler_static_F77=
+fi
+
+
+{ echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
+echo $ECHO_N "checking if $compiler supports -c -o file.$ac_objext... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_c_o_F77+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_c_o_F77=no
+ $rm -r conftest 2>/dev/null
+ mkdir conftest
+ cd conftest
+ mkdir out
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ lt_compiler_flag="-o out/conftest2.$ac_objext"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:14633: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>out/conftest.err)
+ ac_status=$?
+ cat out/conftest.err >&5
+ echo "$as_me:14637: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s out/conftest2.$ac_objext
+ then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+ $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+ if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_c_o_F77=yes
+ fi
+ fi
+ chmod u+w . 2>&5
+ $rm conftest*
+ # SGI C++ compiler will create directory out/ii_files/ for
+ # template instantiation
+ test -d out/ii_files && $rm out/ii_files/* && rmdir out/ii_files
+ $rm out/* && rmdir out
+ cd ..
+ rmdir conftest
+ $rm conftest*
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o_F77" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_c_o_F77" >&6; }
+
+
+hard_links="nottested"
+if test "$lt_cv_prog_compiler_c_o_F77" = no && test "$need_locks" != no; then
+ # do not overwrite the value of need_locks provided by the user
+ { echo "$as_me:$LINENO: checking if we can lock with hard links" >&5
+echo $ECHO_N "checking if we can lock with hard links... $ECHO_C" >&6; }
+ hard_links=yes
+ $rm conftest*
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ touch conftest.a
+ ln conftest.a conftest.b 2>&5 || hard_links=no
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ { echo "$as_me:$LINENO: result: $hard_links" >&5
+echo "${ECHO_T}$hard_links" >&6; }
+ if test "$hard_links" = no; then
+ { echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
+echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;}
+ need_locks=warn
+ fi
+else
+ need_locks=no
+fi
+
+{ echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared libraries... $ECHO_C" >&6; }
+
+ runpath_var=
+ allow_undefined_flag_F77=
+ enable_shared_with_static_runtimes_F77=no
+ archive_cmds_F77=
+ archive_expsym_cmds_F77=
+ old_archive_From_new_cmds_F77=
+ old_archive_from_expsyms_cmds_F77=
+ export_dynamic_flag_spec_F77=
+ whole_archive_flag_spec_F77=
+ thread_safe_flag_spec_F77=
+ hardcode_libdir_flag_spec_F77=
+ hardcode_libdir_flag_spec_ld_F77=
+ hardcode_libdir_separator_F77=
+ hardcode_direct_F77=no
+ hardcode_minus_L_F77=no
+ hardcode_shlibpath_var_F77=unsupported
+ link_all_deplibs_F77=unknown
+ hardcode_automatic_F77=no
+ module_cmds_F77=
+ module_expsym_cmds_F77=
+ always_export_symbols_F77=no
+ export_symbols_cmds_F77='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+ # include_expsyms should be a list of space-separated symbols to be *always*
+ # included in the symbol list
+ include_expsyms_F77=
+ # exclude_expsyms can be an extended regexp of symbols to exclude
+ # it will be wrapped by ` (' and `)$', so one must not match beginning or
+ # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+ # as well as any symbol that contains `d'.
+ exclude_expsyms_F77='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
+ # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+ # platforms (ab)use it in PIC code, but their linkers get confused if
+ # the symbol is explicitly referenced. Since portable code cannot
+ # rely on this symbol name, it's probably fine to never include it in
+ # preloaded symbol tables.
+ # Exclude shared library initialization/finalization symbols.
+ extract_expsyms_cmds=
+ # Just being paranoid about ensuring that cc_basename is set.
+ for cc_temp in $compiler""; do
+ case $cc_temp in
+ compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+ distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+ \-*) ;;
+ *) break;;
+ esac
+done
+cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+
+ case $host_os in
+ cygwin* | mingw* | pw32*)
+ # FIXME: the MSVC++ port hasn't been tested in a loooong time
+ # When not using gcc, we currently assume that we are using
+ # Microsoft Visual C++.
+ if test "$GCC" != yes; then
+ with_gnu_ld=no
+ fi
+ ;;
+ interix*)
+ # we just hope/assume this is gcc and not c89 (= MSVC++)
+ with_gnu_ld=yes
+ ;;
+ openbsd*)
+ with_gnu_ld=no
+ ;;
+ esac
+
+ ld_shlibs_F77=yes
+ if test "$with_gnu_ld" = yes; then
+ # If archive_cmds runs LD, not CC, wlarc should be empty
+ wlarc='${wl}'
+
+ # Set some defaults for GNU ld with shared library support. These
+ # are reset later if shared libraries are not supported. Putting them
+ # here allows them to be overridden if necessary.
+ runpath_var=LD_RUN_PATH
+ hardcode_libdir_flag_spec_F77='${wl}--rpath ${wl}$libdir'
+ export_dynamic_flag_spec_F77='${wl}--export-dynamic'
+ # ancient GNU ld didn't support --whole-archive et. al.
+ if $LD --help 2>&1 | grep 'no-whole-archive' > /dev/null; then
+ whole_archive_flag_spec_F77="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+ else
+ whole_archive_flag_spec_F77=
+ fi
+ supports_anon_versioning=no
+ case `$LD -v 2>/dev/null` in
+ *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11
+ *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+ *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+ *\ 2.11.*) ;; # other 2.11 versions
+ *) supports_anon_versioning=yes ;;
+ esac
+
+ # See if GNU ld supports shared libraries.
+ case $host_os in
+ aix[3-9]*)
+ # On AIX/PPC, the GNU linker is very broken
+ if test "$host_cpu" != ia64; then
+ ld_shlibs_F77=no
+ cat <<EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.9.1, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support. If you
+*** really care for shared libraries, you may want to modify your PATH
+*** so that a non-GNU linker is found, and then restart.
+
+EOF
+ fi
+ ;;
+
+ amigaos*)
+ archive_cmds_F77='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+ hardcode_libdir_flag_spec_F77='-L$libdir'
+ hardcode_minus_L_F77=yes
+
+ # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
+ # that the semantics of dynamic libraries on AmigaOS, at least up
+ # to version 4, is to share data among multiple programs linked
+ # with the same dynamic library. Since this doesn't match the
+ # behavior of shared libraries on other platforms, we can't use
+ # them.
+ ld_shlibs_F77=no
+ ;;
+
+ beos*)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ allow_undefined_flag_F77=unsupported
+ # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+ # support --undefined. This deserves some investigation. FIXME
+ archive_cmds_F77='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ else
+ ld_shlibs_F77=no
+ fi
+ ;;
+
+ cygwin* | mingw* | pw32*)
+ # _LT_AC_TAGVAR(hardcode_libdir_flag_spec, F77) is actually meaningless,
+ # as there is no search path for DLLs.
+ hardcode_libdir_flag_spec_F77='-L$libdir'
+ allow_undefined_flag_F77=unsupported
+ always_export_symbols_F77=no
+ enable_shared_with_static_runtimes_F77=yes
+ export_symbols_cmds_F77='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/'\'' -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
+
+ if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
+ archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ # If the export-symbols file already is a .def file (1st line
+ # is EXPORTS), use it as is; otherwise, prepend...
+ archive_expsym_cmds_F77='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+ cp $export_symbols $output_objdir/$soname.def;
+ else
+ echo EXPORTS > $output_objdir/$soname.def;
+ cat $export_symbols >> $output_objdir/$soname.def;
+ fi~
+ $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ else
+ ld_shlibs_F77=no
+ fi
+ ;;
+
+ interix[3-9]*)
+ hardcode_direct_F77=no
+ hardcode_shlibpath_var_F77=no
+ hardcode_libdir_flag_spec_F77='${wl}-rpath,$libdir'
+ export_dynamic_flag_spec_F77='${wl}-E'
+ # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+ # Instead, shared libraries are loaded at an image base (0x10000000 by
+ # default) and relocated if they conflict, which is a slow very memory
+ # consuming and fragmenting process. To avoid this, we pick a random,
+ # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+ # time. Moving up from 0x10000000 also allows more sbrk(2) space.
+ archive_cmds_F77='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ archive_expsym_cmds_F77='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ ;;
+
+ gnu* | linux* | k*bsd*-gnu)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ tmp_addflag=
+ case $cc_basename,$host_cpu in
+ pgcc*) # Portland Group C compiler
+ whole_archive_flag_spec_F77='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_addflag=' $pic_flag'
+ ;;
+ pgf77* | pgf90* | pgf95*) # Portland Group f77 and f90 compilers
+ whole_archive_flag_spec_F77='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_addflag=' $pic_flag -Mnomain' ;;
+ ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64
+ tmp_addflag=' -i_dynamic' ;;
+ efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64
+ tmp_addflag=' -i_dynamic -nofor_main' ;;
+ ifc* | ifort*) # Intel Fortran compiler
+ tmp_addflag=' -nofor_main' ;;
+ esac
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*) # Sun C 5.9
+ whole_archive_flag_spec_F77='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_sharedflag='-G' ;;
+ *Sun\ F*) # Sun Fortran 8.3
+ tmp_sharedflag='-G' ;;
+ *)
+ tmp_sharedflag='-shared' ;;
+ esac
+ archive_cmds_F77='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+ if test $supports_anon_versioning = yes; then
+ archive_expsym_cmds_F77='$echo "{ global:" > $output_objdir/$libname.ver~
+ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+ $echo "local: *; };" >> $output_objdir/$libname.ver~
+ $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+ fi
+ link_all_deplibs_F77=no
+ else
+ ld_shlibs_F77=no
+ fi
+ ;;
+
+ netbsd* | netbsdelf*-gnu)
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ archive_cmds_F77='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+ wlarc=
+ else
+ archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ fi
+ ;;
+
+ solaris*)
+ if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
+ ld_shlibs_F77=no
+ cat <<EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems. Therefore, libtool
+*** is disabling shared libraries support. We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer. Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+EOF
+ elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ ld_shlibs_F77=no
+ fi
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+ case `$LD -v 2>&1` in
+ *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
+ ld_shlibs_F77=no
+ cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems. Therefore, libtool
+*** is disabling shared libraries support. We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer. Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+ ;;
+ *)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ hardcode_libdir_flag_spec_F77='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
+ archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib'
+ archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname,-retain-symbols-file,$export_symbols -o $lib'
+ else
+ ld_shlibs_F77=no
+ fi
+ ;;
+ esac
+ ;;
+
+ sunos4*)
+ archive_cmds_F77='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ wlarc=
+ hardcode_direct_F77=yes
+ hardcode_shlibpath_var_F77=no
+ ;;
+
+ *)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ ld_shlibs_F77=no
+ fi
+ ;;
+ esac
+
+ if test "$ld_shlibs_F77" = no; then
+ runpath_var=
+ hardcode_libdir_flag_spec_F77=
+ export_dynamic_flag_spec_F77=
+ whole_archive_flag_spec_F77=
+ fi
+ else
+ # PORTME fill in a description of your system's linker (not GNU ld)
+ case $host_os in
+ aix3*)
+ allow_undefined_flag_F77=unsupported
+ always_export_symbols_F77=yes
+ archive_expsym_cmds_F77='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+ # Note: this linker hardcodes the directories in LIBPATH if there
+ # are no directories specified by -L.
+ hardcode_minus_L_F77=yes
+ if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+ # Neither direct hardcoding nor static linking is supported with a
+ # broken collect2.
+ hardcode_direct_F77=unsupported
+ fi
+ ;;
+
+ aix[4-9]*)
+ if test "$host_cpu" = ia64; then
+ # On IA64, the linker does run time linking by default, so we don't
+ # have to do anything special.
+ aix_use_runtimelinking=no
+ exp_sym_flag='-Bexport'
+ no_entry_flag=""
+ else
+ # If we're using GNU nm, then we don't want the "-C" option.
+ # -C means demangle to AIX nm, but means don't demangle with GNU nm
+ if $NM -V 2>&1 | grep 'GNU' > /dev/null; then
+ export_symbols_cmds_F77='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$2 == "T") || (\$2 == "D") || (\$2 == "B")) && (substr(\$3,1,1) != ".")) { print \$3 } }'\'' | sort -u > $export_symbols'
+ else
+ export_symbols_cmds_F77='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$2 == "T") || (\$2 == "D") || (\$2 == "B")) && (substr(\$3,1,1) != ".")) { print \$3 } }'\'' | sort -u > $export_symbols'
+ fi
+ aix_use_runtimelinking=no
+
+ # Test if we are trying to use run time linking or normal
+ # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+ # need to do runtime linking.
+ case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
+ for ld_flag in $LDFLAGS; do
+ if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+ aix_use_runtimelinking=yes
+ break
+ fi
+ done
+ ;;
+ esac
+
+ exp_sym_flag='-bexport'
+ no_entry_flag='-bnoentry'
+ fi
+
+ # When large executables or shared objects are built, AIX ld can
+ # have problems creating the table of contents. If linking a library
+ # or program results in "error TOC overflow" add -mminimal-toc to
+ # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
+ # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+ archive_cmds_F77=''
+ hardcode_direct_F77=yes
+ hardcode_libdir_separator_F77=':'
+ link_all_deplibs_F77=yes
+
+ if test "$GCC" = yes; then
+ case $host_os in aix4.[012]|aix4.[012].*)
+ # We only want to do this on AIX 4.2 and lower, the check
+ # below for broken collect2 doesn't work under 4.3+
+ collect2name=`${CC} -print-prog-name=collect2`
+ if test -f "$collect2name" && \
+ strings "$collect2name" | grep resolve_lib_name >/dev/null
+ then
+ # We have reworked collect2
+ :
+ else
+ # We have old collect2
+ hardcode_direct_F77=unsupported
+ # It fails to find uninstalled libraries when the uninstalled
+ # path is not listed in the libpath. Setting hardcode_minus_L
+ # to unsupported forces relinking
+ hardcode_minus_L_F77=yes
+ hardcode_libdir_flag_spec_F77='-L$libdir'
+ hardcode_libdir_separator_F77=
+ fi
+ ;;
+ esac
+ shared_flag='-shared'
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag="$shared_flag "'${wl}-G'
+ fi
+ else
+ # not using gcc
+ if test "$host_cpu" = ia64; then
+ # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+ # chokes on -Wl,-G. The following line is correct:
+ shared_flag='-G'
+ else
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag='${wl}-G'
+ else
+ shared_flag='${wl}-bM:SRE'
+ fi
+ fi
+ fi
+
+ # It seems that -bexpall does not export symbols beginning with
+ # underscore (_), so it is better to generate a list of symbols to export.
+ always_export_symbols_F77=yes
+ if test "$aix_use_runtimelinking" = yes; then
+ # Warning - without using the other runtime loading flags (-brtl),
+ # -berok will link without error, but may produce a broken library.
+ allow_undefined_flag_F77='-berok'
+ # Determine the default libpath from the value encoded in an empty executable.
+ cat >conftest.$ac_ext <<_ACEOF
+ program main
+
+ end
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_f77_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+
+lt_aix_libpath_sed='
+ /Import File Strings/,/^$/ {
+ /^0/ {
+ s/^0 *\(.*\)$/\1/
+ p
+ }
+ }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+ aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+ hardcode_libdir_flag_spec_F77='${wl}-blibpath:$libdir:'"$aix_libpath"
+ archive_expsym_cmds_F77="\$CC"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+ else
+ if test "$host_cpu" = ia64; then
+ hardcode_libdir_flag_spec_F77='${wl}-R $libdir:/usr/lib:/lib'
+ allow_undefined_flag_F77="-z nodefs"
+ archive_expsym_cmds_F77="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+ else
+ # Determine the default libpath from the value encoded in an empty executable.
+ cat >conftest.$ac_ext <<_ACEOF
+ program main
+
+ end
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_f77_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+
+lt_aix_libpath_sed='
+ /Import File Strings/,/^$/ {
+ /^0/ {
+ s/^0 *\(.*\)$/\1/
+ p
+ }
+ }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+ aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+ hardcode_libdir_flag_spec_F77='${wl}-blibpath:$libdir:'"$aix_libpath"
+ # Warning - without using the other run time loading flags,
+ # -berok will link without error, but may produce a broken library.
+ no_undefined_flag_F77=' ${wl}-bernotok'
+ allow_undefined_flag_F77=' ${wl}-berok'
+ # Exported symbols can be pulled into shared objects from archives
+ whole_archive_flag_spec_F77='$convenience'
+ archive_cmds_need_lc_F77=yes
+ # This is similar to how AIX traditionally builds its shared libraries.
+ archive_expsym_cmds_F77="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+ fi
+ fi
+ ;;
+
+ amigaos*)
+ archive_cmds_F77='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+ hardcode_libdir_flag_spec_F77='-L$libdir'
+ hardcode_minus_L_F77=yes
+ # see comment about different semantics on the GNU ld section
+ ld_shlibs_F77=no
+ ;;
+
+ bsdi[45]*)
+ export_dynamic_flag_spec_F77=-rdynamic
+ ;;
+
+ cygwin* | mingw* | pw32*)
+ # When not using gcc, we currently assume that we are using
+ # Microsoft Visual C++.
+ # hardcode_libdir_flag_spec is actually meaningless, as there is
+ # no search path for DLLs.
+ hardcode_libdir_flag_spec_F77=' '
+ allow_undefined_flag_F77=unsupported
+ # Tell ltmain to make .lib files, not .a files.
+ libext=lib
+ # Tell ltmain to make .dll files, not .so files.
+ shrext_cmds=".dll"
+ # FIXME: Setting linknames here is a bad hack.
+ archive_cmds_F77='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll~linknames='
+ # The linker will automatically build a .lib file if we build a DLL.
+ old_archive_From_new_cmds_F77='true'
+ # FIXME: Should let the user specify the lib program.
+ old_archive_cmds_F77='lib -OUT:$oldlib$oldobjs$old_deplibs'
+ fix_srcfile_path_F77='`cygpath -w "$srcfile"`'
+ enable_shared_with_static_runtimes_F77=yes
+ ;;
+
+ darwin* | rhapsody*)
+ case $host_os in
+ rhapsody* | darwin1.[012])
+ allow_undefined_flag_F77='${wl}-undefined ${wl}suppress'
+ ;;
+ *) # Darwin 1.3 on
+ if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then
+ allow_undefined_flag_F77='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
+ else
+ case ${MACOSX_DEPLOYMENT_TARGET} in
+ 10.[012])
+ allow_undefined_flag_F77='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
+ ;;
+ 10.*)
+ allow_undefined_flag_F77='${wl}-undefined ${wl}dynamic_lookup'
+ ;;
+ esac
+ fi
+ ;;
+ esac
+ archive_cmds_need_lc_F77=no
+ hardcode_direct_F77=no
+ hardcode_automatic_F77=yes
+ hardcode_shlibpath_var_F77=unsupported
+ whole_archive_flag_spec_F77=''
+ link_all_deplibs_F77=yes
+ if test "$GCC" = yes ; then
+ output_verbose_link_cmd='echo'
+ archive_cmds_F77="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+ module_cmds_F77="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+ archive_expsym_cmds_F77="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+ module_expsym_cmds_F77="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+ else
+ case $cc_basename in
+ xlc*)
+ output_verbose_link_cmd='echo'
+ archive_cmds_F77='$CC -qmkshrobj $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}`echo $rpath/$soname` $xlcverstring'
+ module_cmds_F77='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags'
+ # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin lds
+ archive_expsym_cmds_F77='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -qmkshrobj $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}$rpath/$soname $xlcverstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ module_expsym_cmds_F77='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ ;;
+ *)
+ ld_shlibs_F77=no
+ ;;
+ esac
+ fi
+ ;;
+
+ dgux*)
+ archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec_F77='-L$libdir'
+ hardcode_shlibpath_var_F77=no
+ ;;
+
+ freebsd1*)
+ ld_shlibs_F77=no
+ ;;
+
+ # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+ # support. Future versions do this automatically, but an explicit c++rt0.o
+ # does not break anything, and helps significantly (at the cost of a little
+ # extra space).
+ freebsd2.2*)
+ archive_cmds_F77='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+ hardcode_libdir_flag_spec_F77='-R$libdir'
+ hardcode_direct_F77=yes
+ hardcode_shlibpath_var_F77=no
+ ;;
+
+ # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+ freebsd2*)
+ archive_cmds_F77='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct_F77=yes
+ hardcode_minus_L_F77=yes
+ hardcode_shlibpath_var_F77=no
+ ;;
+
+ # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+ freebsd* | dragonfly*)
+ archive_cmds_F77='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
+ hardcode_libdir_flag_spec_F77='-R$libdir'
+ hardcode_direct_F77=yes
+ hardcode_shlibpath_var_F77=no
+ ;;
+
+ hpux9*)
+ if test "$GCC" = yes; then
+ archive_cmds_F77='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ else
+ archive_cmds_F77='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ fi
+ hardcode_libdir_flag_spec_F77='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator_F77=:
+ hardcode_direct_F77=yes
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ hardcode_minus_L_F77=yes
+ export_dynamic_flag_spec_F77='${wl}-E'
+ ;;
+
+ hpux10*)
+ if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+ archive_cmds_F77='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds_F77='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+ fi
+ if test "$with_gnu_ld" = no; then
+ hardcode_libdir_flag_spec_F77='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator_F77=:
+
+ hardcode_direct_F77=yes
+ export_dynamic_flag_spec_F77='${wl}-E'
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ hardcode_minus_L_F77=yes
+ fi
+ ;;
+
+ hpux11*)
+ if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+ case $host_cpu in
+ hppa*64*)
+ archive_cmds_F77='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ ia64*)
+ archive_cmds_F77='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ archive_cmds_F77='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ else
+ case $host_cpu in
+ hppa*64*)
+ archive_cmds_F77='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ ia64*)
+ archive_cmds_F77='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ archive_cmds_F77='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ fi
+ if test "$with_gnu_ld" = no; then
+ hardcode_libdir_flag_spec_F77='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator_F77=:
+
+ case $host_cpu in
+ hppa*64*|ia64*)
+ hardcode_libdir_flag_spec_ld_F77='+b $libdir'
+ hardcode_direct_F77=no
+ hardcode_shlibpath_var_F77=no
+ ;;
+ *)
+ hardcode_direct_F77=yes
+ export_dynamic_flag_spec_F77='${wl}-E'
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ hardcode_minus_L_F77=yes
+ ;;
+ esac
+ fi
+ ;;
+
+ irix5* | irix6* | nonstopux*)
+ if test "$GCC" = yes; then
+ archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ archive_cmds_F77='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ hardcode_libdir_flag_spec_ld_F77='-rpath $libdir'
+ fi
+ hardcode_libdir_flag_spec_F77='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator_F77=:
+ link_all_deplibs_F77=yes
+ ;;
+
+ netbsd* | netbsdelf*-gnu)
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ archive_cmds_F77='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
+ else
+ archive_cmds_F77='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
+ fi
+ hardcode_libdir_flag_spec_F77='-R$libdir'
+ hardcode_direct_F77=yes
+ hardcode_shlibpath_var_F77=no
+ ;;
+
+ newsos6)
+ archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct_F77=yes
+ hardcode_libdir_flag_spec_F77='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator_F77=:
+ hardcode_shlibpath_var_F77=no
+ ;;
+
+ openbsd*)
+ if test -f /usr/libexec/ld.so; then
+ hardcode_direct_F77=yes
+ hardcode_shlibpath_var_F77=no
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ archive_cmds_F77='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_F77='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+ hardcode_libdir_flag_spec_F77='${wl}-rpath,$libdir'
+ export_dynamic_flag_spec_F77='${wl}-E'
+ else
+ case $host_os in
+ openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
+ archive_cmds_F77='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec_F77='-R$libdir'
+ ;;
+ *)
+ archive_cmds_F77='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ hardcode_libdir_flag_spec_F77='${wl}-rpath,$libdir'
+ ;;
+ esac
+ fi
+ else
+ ld_shlibs_F77=no
+ fi
+ ;;
+
+ os2*)
+ hardcode_libdir_flag_spec_F77='-L$libdir'
+ hardcode_minus_L_F77=yes
+ allow_undefined_flag_F77=unsupported
+ archive_cmds_F77='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+ old_archive_From_new_cmds_F77='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+ ;;
+
+ osf3*)
+ if test "$GCC" = yes; then
+ allow_undefined_flag_F77=' ${wl}-expect_unresolved ${wl}\*'
+ archive_cmds_F77='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ allow_undefined_flag_F77=' -expect_unresolved \*'
+ archive_cmds_F77='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ fi
+ hardcode_libdir_flag_spec_F77='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator_F77=:
+ ;;
+
+ osf4* | osf5*) # as osf3* with the addition of -msym flag
+ if test "$GCC" = yes; then
+ allow_undefined_flag_F77=' ${wl}-expect_unresolved ${wl}\*'
+ archive_cmds_F77='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ hardcode_libdir_flag_spec_F77='${wl}-rpath ${wl}$libdir'
+ else
+ allow_undefined_flag_F77=' -expect_unresolved \*'
+ archive_cmds_F77='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ archive_expsym_cmds_F77='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
+ $LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib~$rm $lib.exp'
+
+ # Both c and cxx compiler support -rpath directly
+ hardcode_libdir_flag_spec_F77='-rpath $libdir'
+ fi
+ hardcode_libdir_separator_F77=:
+ ;;
+
+ solaris*)
+ no_undefined_flag_F77=' -z text'
+ if test "$GCC" = yes; then
+ wlarc='${wl}'
+ archive_cmds_F77='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_F77='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
+ else
+ wlarc=''
+ archive_cmds_F77='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ archive_expsym_cmds_F77='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
+ fi
+ hardcode_libdir_flag_spec_F77='-R$libdir'
+ hardcode_shlibpath_var_F77=no
+ case $host_os in
+ solaris2.[0-5] | solaris2.[0-5].*) ;;
+ *)
+ # The compiler driver will combine and reorder linker options,
+ # but understands `-z linker_flag'. GCC discards it without `$wl',
+ # but is careful enough not to reorder.
+ # Supported since Solaris 2.6 (maybe 2.5.1?)
+ if test "$GCC" = yes; then
+ whole_archive_flag_spec_F77='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+ else
+ whole_archive_flag_spec_F77='-z allextract$convenience -z defaultextract'
+ fi
+ ;;
+ esac
+ link_all_deplibs_F77=yes
+ ;;
+
+ sunos4*)
+ if test "x$host_vendor" = xsequent; then
+ # Use $CC to link under sequent, because it throws in some extra .o
+ # files that make .init and .fini sections work.
+ archive_cmds_F77='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds_F77='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+ fi
+ hardcode_libdir_flag_spec_F77='-L$libdir'
+ hardcode_direct_F77=yes
+ hardcode_minus_L_F77=yes
+ hardcode_shlibpath_var_F77=no
+ ;;
+
+ sysv4)
+ case $host_vendor in
+ sni)
+ archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct_F77=yes # is this really true???
+ ;;
+ siemens)
+ ## LD is ld it makes a PLAMLIB
+ ## CC just makes a GrossModule.
+ archive_cmds_F77='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+ reload_cmds_F77='$CC -r -o $output$reload_objs'
+ hardcode_direct_F77=no
+ ;;
+ motorola)
+ archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct_F77=no #Motorola manual says yes, but my tests say they lie
+ ;;
+ esac
+ runpath_var='LD_RUN_PATH'
+ hardcode_shlibpath_var_F77=no
+ ;;
+
+ sysv4.3*)
+ archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_shlibpath_var_F77=no
+ export_dynamic_flag_spec_F77='-Bexport'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_shlibpath_var_F77=no
+ runpath_var=LD_RUN_PATH
+ hardcode_runpath_var=yes
+ ld_shlibs_F77=yes
+ fi
+ ;;
+
+ sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
+ no_undefined_flag_F77='${wl}-z,text'
+ archive_cmds_need_lc_F77=no
+ hardcode_shlibpath_var_F77=no
+ runpath_var='LD_RUN_PATH'
+
+ if test "$GCC" = yes; then
+ archive_cmds_F77='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_F77='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds_F77='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_F77='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6*)
+ # Note: We can NOT use -z defs as we might desire, because we do not
+ # link with -lc, and that would cause any symbols used from libc to
+ # always be unresolved, which means just about no library would
+ # ever link correctly. If we're not using GNU ld we use -z text
+ # though, which does catch some bad symbols but isn't as heavy-handed
+ # as -z defs.
+ no_undefined_flag_F77='${wl}-z,text'
+ allow_undefined_flag_F77='${wl}-z,nodefs'
+ archive_cmds_need_lc_F77=no
+ hardcode_shlibpath_var_F77=no
+ hardcode_libdir_flag_spec_F77='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
+ hardcode_libdir_separator_F77=':'
+ link_all_deplibs_F77=yes
+ export_dynamic_flag_spec_F77='${wl}-Bexport'
+ runpath_var='LD_RUN_PATH'
+
+ if test "$GCC" = yes; then
+ archive_cmds_F77='$CC -shared ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_F77='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds_F77='$CC -G ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_F77='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
+ ;;
+
+ uts4*)
+ archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec_F77='-L$libdir'
+ hardcode_shlibpath_var_F77=no
+ ;;
+
+ *)
+ ld_shlibs_F77=no
+ ;;
+ esac
+ fi
+
+{ echo "$as_me:$LINENO: result: $ld_shlibs_F77" >&5
+echo "${ECHO_T}$ld_shlibs_F77" >&6; }
+test "$ld_shlibs_F77" = no && can_build_shared=no
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$archive_cmds_need_lc_F77" in
+x|xyes)
+ # Assume -lc should be added
+ archive_cmds_need_lc_F77=yes
+
+ if test "$enable_shared" = yes && test "$GCC" = yes; then
+ case $archive_cmds_F77 in
+ *'~'*)
+ # FIXME: we may have to deal with multi-command sequences.
+ ;;
+ '$CC '*)
+ # Test whether the compiler implicitly links with -lc since on some
+ # systems, -lgcc has to come before -lc. If gcc already passes -lc
+ # to ld, don't add -lc before -lgcc.
+ { echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5
+echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >&6; }
+ $rm conftest*
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } 2>conftest.err; then
+ soname=conftest
+ lib=conftest
+ libobjs=conftest.$ac_objext
+ deplibs=
+ wl=$lt_prog_compiler_wl_F77
+ pic_flag=$lt_prog_compiler_pic_F77
+ compiler_flags=-v
+ linker_flags=-v
+ verstring=
+ output_objdir=.
+ libname=conftest
+ lt_save_allow_undefined_flag=$allow_undefined_flag_F77
+ allow_undefined_flag_F77=
+ if { (eval echo "$as_me:$LINENO: \"$archive_cmds_F77 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1\"") >&5
+ (eval $archive_cmds_F77 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+ then
+ archive_cmds_need_lc_F77=no
+ else
+ archive_cmds_need_lc_F77=yes
+ fi
+ allow_undefined_flag_F77=$lt_save_allow_undefined_flag
+ else
+ cat conftest.err 1>&5
+ fi
+ $rm conftest*
+ { echo "$as_me:$LINENO: result: $archive_cmds_need_lc_F77" >&5
+echo "${ECHO_T}$archive_cmds_need_lc_F77" >&6; }
+ ;;
+ esac
+ fi
+ ;;
+esac
+
+{ echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5
+echo $ECHO_N "checking dynamic linker characteristics... $ECHO_C" >&6; }
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+ shlibpath_var=LIBPATH
+
+ # AIX 3 has no versioning support, so we append a major version to the name.
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+
+aix[4-9]*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ hardcode_into_libs=yes
+ if test "$host_cpu" = ia64; then
+ # AIX 5 supports IA64
+ library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ else
+ # With GCC up to 2.95.x, collect2 would create an import file
+ # for dependence libraries. The import file would start with
+ # the line `#! .'. This would cause the generated library to
+ # depend on `.', always an invalid library. This was fixed in
+ # development snapshots of GCC prior to 3.0.
+ case $host_os in
+ aix4 | aix4.[01] | aix4.[01].*)
+ if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+ echo ' yes '
+ echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then
+ :
+ else
+ can_build_shared=no
+ fi
+ ;;
+ esac
+ # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+ # soname into executable. Probably we can add versioning support to
+ # collect2, so additional links can be useful in future.
+ if test "$aix_use_runtimelinking" = yes; then
+ # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+ # instead of lib<name>.a to let people know that these are not
+ # typical AIX shared libraries.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ else
+ # We preserve .a as extension for shared libraries through AIX4.2
+ # and later when we are not doing run time linking.
+ library_names_spec='${libname}${release}.a $libname.a'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ fi
+ shlibpath_var=LIBPATH
+ fi
+ ;;
+
+amigaos*)
+ library_names_spec='$libname.ixlibrary $libname.a'
+ # Create ${libname}_ixlibrary.a entries in /sys/libs.
+ finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+ ;;
+
+beos*)
+ library_names_spec='${libname}${shared_ext}'
+ dynamic_linker="$host_os ld.so"
+ shlibpath_var=LIBRARY_PATH
+ ;;
+
+bsdi[45]*)
+ version_type=linux
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+ sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+ # the default ld.so.conf also contains /usr/contrib/lib and
+ # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+ # libtool to hard-code these into programs
+ ;;
+
+cygwin* | mingw* | pw32*)
+ version_type=windows
+ shrext_cmds=".dll"
+ need_version=no
+ need_lib_prefix=no
+
+ case $GCC,$host_os in
+ yes,cygwin* | yes,mingw* | yes,pw32*)
+ library_names_spec='$libname.dll.a'
+ # DLL is installed to $(libdir)/../bin by postinstall_cmds
+ postinstall_cmds='base_file=`basename \${file}`~
+ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i;echo \$dlname'\''`~
+ dldir=$destdir/`dirname \$dlpath`~
+ test -d \$dldir || mkdir -p \$dldir~
+ $install_prog $dir/$dlname \$dldir/$dlname~
+ chmod a+x \$dldir/$dlname'
+ postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+ dlpath=$dir/\$dldll~
+ $rm \$dlpath'
+ shlibpath_overrides_runpath=yes
+
+ case $host_os in
+ cygwin*)
+ # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+ soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
+ ;;
+ mingw*)
+ # MinGW DLLs use traditional 'lib' prefix
+ soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+ if echo "$sys_lib_search_path_spec" | grep ';[c-zC-Z]:/' >/dev/null; then
+ # It is most probably a Windows format PATH printed by
+ # mingw gcc, but we are running on Cygwin. Gcc prints its search
+ # path with ; separators, and with drive letters. We can handle the
+ # drive letters (cygwin fileutils understands them), so leave them,
+ # especially as we might pass files found there to a mingw objdump,
+ # which wouldn't understand a cygwinified path. Ahh.
+ sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+ else
+ sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+ fi
+ ;;
+ pw32*)
+ # pw32 DLLs use 'pw' prefix rather than 'lib'
+ library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ ;;
+ esac
+ ;;
+
+ *)
+ library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib'
+ ;;
+ esac
+ dynamic_linker='Win32 ld.exe'
+ # FIXME: first we should search . and the directory the executable is in
+ shlibpath_var=PATH
+ ;;
+
+darwin* | rhapsody*)
+ dynamic_linker="$host_os dyld"
+ version_type=darwin
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${versuffix}$shared_ext ${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+ soname_spec='${libname}${release}${major}$shared_ext'
+ shlibpath_overrides_runpath=yes
+ shlibpath_var=DYLD_LIBRARY_PATH
+ shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+
+ sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+ ;;
+
+dgux*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+freebsd1*)
+ dynamic_linker=no
+ ;;
+
+freebsd* | dragonfly*)
+ # DragonFly does not have aout. When/if they implement a new
+ # versioning mechanism, adjust this.
+ if test -x /usr/bin/objformat; then
+ objformat=`/usr/bin/objformat`
+ else
+ case $host_os in
+ freebsd[123]*) objformat=aout ;;
+ *) objformat=elf ;;
+ esac
+ fi
+ version_type=freebsd-$objformat
+ case $version_type in
+ freebsd-elf*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ need_version=no
+ need_lib_prefix=no
+ ;;
+ freebsd-*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+ need_version=yes
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_os in
+ freebsd2*)
+ shlibpath_overrides_runpath=yes
+ ;;
+ freebsd3.[01]* | freebsdelf3.[01]*)
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
+ freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+ *) # from 4.6 on, and DragonFly
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ esac
+ ;;
+
+gnu*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ hardcode_into_libs=yes
+ ;;
+
+hpux9* | hpux10* | hpux11*)
+ # Give a soname corresponding to the major version so that dld.sl refuses to
+ # link against other versions.
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ case $host_cpu in
+ ia64*)
+ shrext_cmds='.so'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.so"
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ if test "X$HPUX_IA64_MODE" = X32; then
+ sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+ else
+ sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+ fi
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ hppa*64*)
+ shrext_cmds='.sl'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ *)
+ shrext_cmds='.sl'
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=SHLIB_PATH
+ shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+ esac
+ # HP-UX runs *really* slowly unless shared libraries are mode 555.
+ postinstall_cmds='chmod 555 $lib'
+ ;;
+
+interix[3-9]*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+
+irix5* | irix6* | nonstopux*)
+ case $host_os in
+ nonstopux*) version_type=nonstopux ;;
+ *)
+ if test "$lt_cv_prog_gnu_ld" = yes; then
+ version_type=linux
+ else
+ version_type=irix
+ fi ;;
+ esac
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+ case $host_os in
+ irix5* | nonstopux*)
+ libsuff= shlibsuff=
+ ;;
+ *)
+ case $LD in # libtool.m4 will add one of these switches to LD
+ *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+ libsuff= shlibsuff= libmagic=32-bit;;
+ *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+ libsuff=32 shlibsuff=N32 libmagic=N32;;
+ *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+ libsuff=64 shlibsuff=64 libmagic=64-bit;;
+ *) libsuff= shlibsuff= libmagic=never-match;;
+ esac
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+ sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+ hardcode_into_libs=yes
+ ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+ dynamic_linker=no
+ ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ # This implies no fast_install, which is unacceptable.
+ # Some rework will be needed to allow for fast_install
+ # before this can be enabled.
+ hardcode_into_libs=yes
+
+ # Append ld.so.conf contents to the search path
+ if test -f /etc/ld.so.conf; then
+ lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
+ sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+ fi
+
+ # We used to test for /lib/ld.so.1 and disable shared libraries on
+ # powerpc, because MkLinux only supported shared libraries with the
+ # GNU dynamic linker. Since this was broken with cross compilers,
+ # most powerpc-linux boxes support dynamic linking these days and
+ # people can always --disable-shared, the test was removed, and we
+ # assume the GNU/Linux dynamic linker is in use.
+ dynamic_linker='GNU/Linux ld.so'
+ ;;
+
+netbsdelf*-gnu)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ dynamic_linker='NetBSD ld.elf_so'
+ ;;
+
+netbsd*)
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ dynamic_linker='NetBSD (a.out) ld.so'
+ else
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='NetBSD ld.elf_so'
+ fi
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+
+newsos6)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ ;;
+
+nto-qnx*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ ;;
+
+openbsd*)
+ version_type=sunos
+ sys_lib_dlsearch_path_spec="/usr/lib"
+ need_lib_prefix=no
+ # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+ case $host_os in
+ openbsd3.3 | openbsd3.3.*) need_version=yes ;;
+ *) need_version=no ;;
+ esac
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ case $host_os in
+ openbsd2.[89] | openbsd2.[89].*)
+ shlibpath_overrides_runpath=no
+ ;;
+ *)
+ shlibpath_overrides_runpath=yes
+ ;;
+ esac
+ else
+ shlibpath_overrides_runpath=yes
+ fi
+ ;;
+
+os2*)
+ libname_spec='$name'
+ shrext_cmds=".dll"
+ need_lib_prefix=no
+ library_names_spec='$libname${shared_ext} $libname.a'
+ dynamic_linker='OS/2 ld.exe'
+ shlibpath_var=LIBPATH
+ ;;
+
+osf3* | osf4* | osf5*)
+ version_type=osf
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+ sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+ ;;
+
+rdos*)
+ dynamic_linker=no
+ ;;
+
+solaris*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ # ldd complains unless libraries are executable
+ postinstall_cmds='chmod +x $lib'
+ ;;
+
+sunos4*)
+ version_type=sunos
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ if test "$with_gnu_ld" = yes; then
+ need_lib_prefix=no
+ fi
+ need_version=yes
+ ;;
+
+sysv4 | sysv4.3*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_vendor in
+ sni)
+ shlibpath_overrides_runpath=no
+ need_lib_prefix=no
+ export_dynamic_flag_spec='${wl}-Blargedynsym'
+ runpath_var=LD_RUN_PATH
+ ;;
+ siemens)
+ need_lib_prefix=no
+ ;;
+ motorola)
+ need_lib_prefix=no
+ need_version=no
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+ ;;
+ esac
+ ;;
+
+sysv4*MP*)
+ if test -d /usr/nec ;then
+ version_type=linux
+ library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+ soname_spec='$libname${shared_ext}.$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ fi
+ ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+ version_type=freebsd-elf
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ hardcode_into_libs=yes
+ if test "$with_gnu_ld" = yes; then
+ sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+ shlibpath_overrides_runpath=no
+ else
+ sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+ shlibpath_overrides_runpath=yes
+ case $host_os in
+ sco3.2v5*)
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+ ;;
+ esac
+ fi
+ sys_lib_dlsearch_path_spec='/usr/lib'
+ ;;
+
+uts4*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+*)
+ dynamic_linker=no
+ ;;
+esac
+{ echo "$as_me:$LINENO: result: $dynamic_linker" >&5
+echo "${ECHO_T}$dynamic_linker" >&6; }
+test "$dynamic_linker" = no && can_build_shared=no
+
+if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_sys_lib_search_path_spec="$sys_lib_search_path_spec"
+fi
+
+sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec"
+fi
+
+sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+ variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+{ echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5
+echo $ECHO_N "checking how to hardcode library paths into programs... $ECHO_C" >&6; }
+hardcode_action_F77=
+if test -n "$hardcode_libdir_flag_spec_F77" || \
+ test -n "$runpath_var_F77" || \
+ test "X$hardcode_automatic_F77" = "Xyes" ; then
+
+ # We can hardcode non-existant directories.
+ if test "$hardcode_direct_F77" != no &&
+ # If the only mechanism to avoid hardcoding is shlibpath_var, we
+ # have to relink, otherwise we might link with an installed library
+ # when we should be linking with a yet-to-be-installed one
+ ## test "$_LT_AC_TAGVAR(hardcode_shlibpath_var, F77)" != no &&
+ test "$hardcode_minus_L_F77" != no; then
+ # Linking always hardcodes the temporary library directory.
+ hardcode_action_F77=relink
+ else
+ # We can link without hardcoding, and we can hardcode nonexisting dirs.
+ hardcode_action_F77=immediate
+ fi
+else
+ # We cannot hardcode anything, or else we can only hardcode existing
+ # directories.
+ hardcode_action_F77=unsupported
+fi
+{ echo "$as_me:$LINENO: result: $hardcode_action_F77" >&5
+echo "${ECHO_T}$hardcode_action_F77" >&6; }
+
+if test "$hardcode_action_F77" = relink; then
+ # Fast installation is not supported
+ enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+ test "$enable_shared" = no; then
+ # Fast installation is not necessary
+ enable_fast_install=needless
+fi
+
+
+# The else clause should only fire when bootstrapping the
+# libtool distribution, otherwise you forgot to ship ltmain.sh
+# with your package, and you will get complaints that there are
+# no rules to generate ltmain.sh.
+if test -f "$ltmain"; then
+ # See if we are running on zsh, and set the options which allow our commands through
+ # without removal of \ escapes.
+ if test -n "${ZSH_VERSION+set}" ; then
+ setopt NO_GLOB_SUBST
+ fi
+ # Now quote all the things that may contain metacharacters while being
+ # careful not to overquote the AC_SUBSTed values. We take copies of the
+ # variables and quote the copies for generation of the libtool script.
+ for var in echo old_CC old_CFLAGS AR AR_FLAGS EGREP RANLIB LN_S LTCC LTCFLAGS NM \
+ SED SHELL STRIP \
+ libname_spec library_names_spec soname_spec extract_expsyms_cmds \
+ old_striplib striplib file_magic_cmd finish_cmds finish_eval \
+ deplibs_check_method reload_flag reload_cmds need_locks \
+ lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl \
+ lt_cv_sys_global_symbol_to_c_name_address \
+ sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
+ old_postinstall_cmds old_postuninstall_cmds \
+ compiler_F77 \
+ CC_F77 \
+ LD_F77 \
+ lt_prog_compiler_wl_F77 \
+ lt_prog_compiler_pic_F77 \
+ lt_prog_compiler_static_F77 \
+ lt_prog_compiler_no_builtin_flag_F77 \
+ export_dynamic_flag_spec_F77 \
+ thread_safe_flag_spec_F77 \
+ whole_archive_flag_spec_F77 \
+ enable_shared_with_static_runtimes_F77 \
+ old_archive_cmds_F77 \
+ old_archive_from_new_cmds_F77 \
+ predep_objects_F77 \
+ postdep_objects_F77 \
+ predeps_F77 \
+ postdeps_F77 \
+ compiler_lib_search_path_F77 \
+ compiler_lib_search_dirs_F77 \
+ archive_cmds_F77 \
+ archive_expsym_cmds_F77 \
+ postinstall_cmds_F77 \
+ postuninstall_cmds_F77 \
+ old_archive_from_expsyms_cmds_F77 \
+ allow_undefined_flag_F77 \
+ no_undefined_flag_F77 \
+ export_symbols_cmds_F77 \
+ hardcode_libdir_flag_spec_F77 \
+ hardcode_libdir_flag_spec_ld_F77 \
+ hardcode_libdir_separator_F77 \
+ hardcode_automatic_F77 \
+ module_cmds_F77 \
+ module_expsym_cmds_F77 \
+ lt_cv_prog_compiler_c_o_F77 \
+ fix_srcfile_path_F77 \
+ exclude_expsyms_F77 \
+ include_expsyms_F77; do
+
+ case $var in
+ old_archive_cmds_F77 | \
+ old_archive_from_new_cmds_F77 | \
+ archive_cmds_F77 | \
+ archive_expsym_cmds_F77 | \
+ module_cmds_F77 | \
+ module_expsym_cmds_F77 | \
+ old_archive_from_expsyms_cmds_F77 | \
+ export_symbols_cmds_F77 | \
+ extract_expsyms_cmds | reload_cmds | finish_cmds | \
+ postinstall_cmds | postuninstall_cmds | \
+ old_postinstall_cmds | old_postuninstall_cmds | \
+ sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
+ # Double-quote double-evaled strings.
+ eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
+ ;;
+ *)
+ eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
+ ;;
+ esac
+ done
+
+ case $lt_echo in
+ *'\$0 --fallback-echo"')
+ lt_echo=`$echo "X$lt_echo" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
+ ;;
+ esac
+
+cfgfile="$ofile"
+
+ cat <<__EOF__ >> "$cfgfile"
+# ### BEGIN LIBTOOL TAG CONFIG: $tagname
+
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+
+# Shell to use when invoking shell scripts.
+SHELL=$lt_SHELL
+
+# Whether or not to build shared libraries.
+build_libtool_libs=$enable_shared
+
+# Whether or not to build static libraries.
+build_old_libs=$enable_static
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc_F77
+
+# Whether or not to disallow shared libs when runtime libs are static
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_F77
+
+# Whether or not to optimize for fast installation.
+fast_install=$enable_fast_install
+
+# The host system.
+host_alias=$host_alias
+host=$host
+host_os=$host_os
+
+# The build system.
+build_alias=$build_alias
+build=$build
+build_os=$build_os
+
+# An echo program that does not interpret backslashes.
+echo=$lt_echo
+
+# The archiver.
+AR=$lt_AR
+AR_FLAGS=$lt_AR_FLAGS
+
+# A C compiler.
+LTCC=$lt_LTCC
+
+# LTCC compiler flags.
+LTCFLAGS=$lt_LTCFLAGS
+
+# A language-specific compiler.
+CC=$lt_compiler_F77
+
+# Is the compiler the GNU C compiler?
+with_gcc=$GCC_F77
+
+# An ERE matcher.
+EGREP=$lt_EGREP
+
+# The linker used to build libraries.
+LD=$lt_LD_F77
+
+# Whether we need hard or soft links.
+LN_S=$lt_LN_S
+
+# A BSD-compatible nm program.
+NM=$lt_NM
+
+# A symbol stripping program
+STRIP=$lt_STRIP
+
+# Used to examine libraries when file_magic_cmd begins "file"
+MAGIC_CMD=$MAGIC_CMD
+
+# Used on cygwin: DLL creation program.
+DLLTOOL="$DLLTOOL"
+
+# Used on cygwin: object dumper.
+OBJDUMP="$OBJDUMP"
+
+# Used on cygwin: assembler.
+AS="$AS"
+
+# The name of the directory that contains temporary libtool files.
+objdir=$objdir
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag
+reload_cmds=$lt_reload_cmds
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl_F77
+
+# Object file suffix (normally "o").
+objext="$ac_objext"
+
+# Old archive suffix (normally "a").
+libext="$libext"
+
+# Shared library suffix (normally ".so").
+shrext_cmds='$shrext_cmds'
+
+# Executable file suffix (normally "").
+exeext="$exeext"
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic_F77
+pic_mode=$pic_mode
+
+# What is the maximum length of a command?
+max_cmd_len=$lt_cv_sys_max_cmd_len
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o_F77
+
+# Must we lock files when doing compilation?
+need_locks=$lt_need_locks
+
+# Do we need the lib prefix for modules?
+need_lib_prefix=$need_lib_prefix
+
+# Do we need a version for libraries?
+need_version=$need_version
+
+# Whether dlopen is supported.
+dlopen_support=$enable_dlopen
+
+# Whether dlopen of programs is supported.
+dlopen_self=$enable_dlopen_self
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=$enable_dlopen_self_static
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static_F77
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_F77
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_F77
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec_F77
+
+# Compiler flag to generate thread-safe objects.
+thread_safe_flag_spec=$lt_thread_safe_flag_spec_F77
+
+# Library versioning type.
+version_type=$version_type
+
+# Format of library name prefix.
+libname_spec=$lt_libname_spec
+
+# List of archive names. First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME.
+library_names_spec=$lt_library_names_spec
+
+# The coded name of the library, if different from the real name.
+soname_spec=$lt_soname_spec
+
+# Commands used to build and install an old-style archive.
+RANLIB=$lt_RANLIB
+old_archive_cmds=$lt_old_archive_cmds_F77
+old_postinstall_cmds=$lt_old_postinstall_cmds
+old_postuninstall_cmds=$lt_old_postuninstall_cmds
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_F77
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_F77
+
+# Commands used to build and install a shared archive.
+archive_cmds=$lt_archive_cmds_F77
+archive_expsym_cmds=$lt_archive_expsym_cmds_F77
+postinstall_cmds=$lt_postinstall_cmds
+postuninstall_cmds=$lt_postuninstall_cmds
+
+# Commands used to build a loadable module (assumed same as above if empty)
+module_cmds=$lt_module_cmds_F77
+module_expsym_cmds=$lt_module_expsym_cmds_F77
+
+# Commands to strip libraries.
+old_striplib=$lt_old_striplib
+striplib=$lt_striplib
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predep_objects=$lt_predep_objects_F77
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdep_objects=$lt_postdep_objects_F77
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predeps=$lt_predeps_F77
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdeps=$lt_postdeps_F77
+
+# The directories searched by this compiler when creating a shared
+# library
+compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_F77
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=$lt_compiler_lib_search_path_F77
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method=$lt_deplibs_check_method
+
+# Command to use when deplibs_check_method == file_magic.
+file_magic_cmd=$lt_file_magic_cmd
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag_F77
+
+# Flag that forces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag_F77
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds=$lt_finish_cmds
+
+# Same as above, but a single script fragment to be evaled but not shown.
+finish_eval=$lt_finish_eval
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
+
+# Transform the output of nm in a proper C declaration
+global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
+
+# Transform the output of nm in a C name address pair
+global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
+
+# This is the shared library runtime path variable.
+runpath_var=$runpath_var
+
+# This is the shared library path variable.
+shlibpath_var=$shlibpath_var
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=$shlibpath_overrides_runpath
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action_F77
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=$hardcode_into_libs
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist.
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_F77
+
+# If ld is used when linking, flag to hardcode \$libdir into
+# a binary during linking. This must work even if \$libdir does
+# not exist.
+hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld_F77
+
+# Whether we need a single -rpath flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator_F77
+
+# Set to yes if using DIR/libNAME${shared_ext} during linking hardcodes DIR into the
+# resulting binary.
+hardcode_direct=$hardcode_direct_F77
+
+# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
+# resulting binary.
+hardcode_minus_L=$hardcode_minus_L_F77
+
+# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
+# the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var_F77
+
+# Set to yes if building a shared library automatically hardcodes DIR into the library
+# and all subsequent libraries and executables linked against it.
+hardcode_automatic=$hardcode_automatic_F77
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at relink time.
+variables_saved_for_relink="$variables_saved_for_relink"
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs_F77
+
+# Compile-time system search path for libraries
+sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
+
+# Run-time system search path for libraries
+sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+
+# Fix the shell variable \$srcfile for the compiler.
+fix_srcfile_path=$lt_fix_srcfile_path
+
+# Set to yes if exported symbols are required.
+always_export_symbols=$always_export_symbols_F77
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds_F77
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=$lt_extract_expsyms_cmds
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms_F77
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms_F77
+
+# ### END LIBTOOL TAG CONFIG: $tagname
+
+__EOF__
+
+
+else
+ # If there is no Makefile yet, we rely on a make rule to execute
+ # `config.status --recheck' to rerun these tests and create the
+ # libtool script then.
+ ltmain_in=`echo $ltmain | sed -e 's/\.sh$/.in/'`
+ if test -f "$ltmain_in"; then
+ test -f Makefile && make "$ltmain"
+ fi
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+CC="$lt_save_CC"
+
+ else
+ tagname=""
+ fi
+ ;;
+
+ GCJ)
+ if test -n "$GCJ" && test "X$GCJ" != "Xno"; then
+
+
+# Source file extension for Java test sources.
+ac_ext=java
+
+# Object file extension for compiled Java test sources.
+objext=o
+objext_GCJ=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="class foo {}"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='public class conftest { public static void main(String[] argv) {}; }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+
+# save warnings/boilerplate of simple test code
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$rm conftest*
+
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$rm -r conftest*
+
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+CC=${GCJ-"gcj"}
+compiler=$CC
+compiler_GCJ=$CC
+for cc_temp in $compiler""; do
+ case $cc_temp in
+ compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+ distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+ \-*) ;;
+ *) break;;
+ esac
+done
+cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+
+
+# GCJ did not exist at the time GCC didn't implicitly link libc in.
+archive_cmds_need_lc_GCJ=no
+
+old_archive_cmds_GCJ=$old_archive_cmds
+
+
+lt_prog_compiler_no_builtin_flag_GCJ=
+
+if test "$GCC" = yes; then
+ lt_prog_compiler_no_builtin_flag_GCJ=' -fno-builtin'
+
+
+{ echo "$as_me:$LINENO: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
+echo $ECHO_N "checking if $compiler supports -fno-rtti -fno-exceptions... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_rtti_exceptions+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_rtti_exceptions=no
+ ac_outfile=conftest.$ac_objext
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+ lt_compiler_flag="-fno-rtti -fno-exceptions"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ # The option is referenced via a variable to avoid confusing sed.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:16853: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>conftest.err)
+ ac_status=$?
+ cat conftest.err >&5
+ echo "$as_me:16857: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s "$ac_outfile"; then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings other than the usual output.
+ $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_rtti_exceptions=yes
+ fi
+ fi
+ $rm conftest*
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_rtti_exceptions" >&6; }
+
+if test x"$lt_cv_prog_compiler_rtti_exceptions" = xyes; then
+ lt_prog_compiler_no_builtin_flag_GCJ="$lt_prog_compiler_no_builtin_flag_GCJ -fno-rtti -fno-exceptions"
+else
+ :
+fi
+
+fi
+
+lt_prog_compiler_wl_GCJ=
+lt_prog_compiler_pic_GCJ=
+lt_prog_compiler_static_GCJ=
+
+{ echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5
+echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6; }
+
+ if test "$GCC" = yes; then
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ lt_prog_compiler_static_GCJ='-static'
+
+ case $host_os in
+ aix*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ lt_prog_compiler_static_GCJ='-Bstatic'
+ fi
+ ;;
+
+ amigaos*)
+ # FIXME: we need at least 68020 code to build shared libraries, but
+ # adding the `-m68020' flag to GCC prevents building anything better,
+ # like `-m68040'.
+ lt_prog_compiler_pic_GCJ='-m68020 -resident32 -malways-restore-a4'
+ ;;
+
+ beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+ # PIC is the default for these OSes.
+ ;;
+
+ mingw* | cygwin* | pw32* | os2*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ # Although the cygwin gcc ignores -fPIC, still need this for old-style
+ # (--disable-auto-import) libraries
+
+ ;;
+
+ darwin* | rhapsody*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ lt_prog_compiler_pic_GCJ='-fno-common'
+ ;;
+
+ interix[3-9]*)
+ # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+ # Instead, we relocate shared libraries at runtime.
+ ;;
+
+ msdosdjgpp*)
+ # Just because we use GCC doesn't mean we suddenly get shared libraries
+ # on systems that don't support them.
+ lt_prog_compiler_can_build_shared_GCJ=no
+ enable_shared=no
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ lt_prog_compiler_pic_GCJ=-Kconform_pic
+ fi
+ ;;
+
+ hpux*)
+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+ # not for PA HP-UX.
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ lt_prog_compiler_pic_GCJ='-fPIC'
+ ;;
+ esac
+ ;;
+
+ *)
+ lt_prog_compiler_pic_GCJ='-fPIC'
+ ;;
+ esac
+ else
+ # PORTME Check for flag to pass linker flags through the system compiler.
+ case $host_os in
+ aix*)
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ lt_prog_compiler_static_GCJ='-Bstatic'
+ else
+ lt_prog_compiler_static_GCJ='-bnso -bI:/lib/syscalls.exp'
+ fi
+ ;;
+ darwin*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ case $cc_basename in
+ xlc*)
+ lt_prog_compiler_pic_GCJ='-qnocommon'
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ ;;
+ esac
+ ;;
+
+ mingw* | cygwin* | pw32* | os2*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+
+ ;;
+
+ hpux9* | hpux10* | hpux11*)
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+ # not for PA HP-UX.
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ lt_prog_compiler_pic_GCJ='+Z'
+ ;;
+ esac
+ # Is there a better lt_prog_compiler_static that works with the bundled CC?
+ lt_prog_compiler_static_GCJ='${wl}-a ${wl}archive'
+ ;;
+
+ irix5* | irix6* | nonstopux*)
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ # PIC (with -KPIC) is the default.
+ lt_prog_compiler_static_GCJ='-non_shared'
+ ;;
+
+ newsos6)
+ lt_prog_compiler_pic_GCJ='-KPIC'
+ lt_prog_compiler_static_GCJ='-Bstatic'
+ ;;
+
+ linux* | k*bsd*-gnu)
+ case $cc_basename in
+ icc* | ecc*)
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ lt_prog_compiler_pic_GCJ='-KPIC'
+ lt_prog_compiler_static_GCJ='-static'
+ ;;
+ pgcc* | pgf77* | pgf90* | pgf95*)
+ # Portland Group compilers (*not* the Pentium gcc compiler,
+ # which looks to be a dead project)
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ lt_prog_compiler_pic_GCJ='-fpic'
+ lt_prog_compiler_static_GCJ='-Bstatic'
+ ;;
+ ccc*)
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ # All Alpha code is PIC.
+ lt_prog_compiler_static_GCJ='-non_shared'
+ ;;
+ *)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C 5.9
+ lt_prog_compiler_pic_GCJ='-KPIC'
+ lt_prog_compiler_static_GCJ='-Bstatic'
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ ;;
+ *Sun\ F*)
+ # Sun Fortran 8.3 passes all unrecognized flags to the linker
+ lt_prog_compiler_pic_GCJ='-KPIC'
+ lt_prog_compiler_static_GCJ='-Bstatic'
+ lt_prog_compiler_wl_GCJ=''
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+
+ osf3* | osf4* | osf5*)
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ # All OSF/1 code is PIC.
+ lt_prog_compiler_static_GCJ='-non_shared'
+ ;;
+
+ rdos*)
+ lt_prog_compiler_static_GCJ='-non_shared'
+ ;;
+
+ solaris*)
+ lt_prog_compiler_pic_GCJ='-KPIC'
+ lt_prog_compiler_static_GCJ='-Bstatic'
+ case $cc_basename in
+ f77* | f90* | f95*)
+ lt_prog_compiler_wl_GCJ='-Qoption ld ';;
+ *)
+ lt_prog_compiler_wl_GCJ='-Wl,';;
+ esac
+ ;;
+
+ sunos4*)
+ lt_prog_compiler_wl_GCJ='-Qoption ld '
+ lt_prog_compiler_pic_GCJ='-PIC'
+ lt_prog_compiler_static_GCJ='-Bstatic'
+ ;;
+
+ sysv4 | sysv4.2uw2* | sysv4.3*)
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ lt_prog_compiler_pic_GCJ='-KPIC'
+ lt_prog_compiler_static_GCJ='-Bstatic'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec ;then
+ lt_prog_compiler_pic_GCJ='-Kconform_pic'
+ lt_prog_compiler_static_GCJ='-Bstatic'
+ fi
+ ;;
+
+ sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ lt_prog_compiler_pic_GCJ='-KPIC'
+ lt_prog_compiler_static_GCJ='-Bstatic'
+ ;;
+
+ unicos*)
+ lt_prog_compiler_wl_GCJ='-Wl,'
+ lt_prog_compiler_can_build_shared_GCJ=no
+ ;;
+
+ uts4*)
+ lt_prog_compiler_pic_GCJ='-pic'
+ lt_prog_compiler_static_GCJ='-Bstatic'
+ ;;
+
+ *)
+ lt_prog_compiler_can_build_shared_GCJ=no
+ ;;
+ esac
+ fi
+
+{ echo "$as_me:$LINENO: result: $lt_prog_compiler_pic_GCJ" >&5
+echo "${ECHO_T}$lt_prog_compiler_pic_GCJ" >&6; }
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$lt_prog_compiler_pic_GCJ"; then
+
+{ echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic_GCJ works" >&5
+echo $ECHO_N "checking if $compiler PIC flag $lt_prog_compiler_pic_GCJ works... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_pic_works_GCJ+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_pic_works_GCJ=no
+ ac_outfile=conftest.$ac_objext
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+ lt_compiler_flag="$lt_prog_compiler_pic_GCJ"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ # The option is referenced via a variable to avoid confusing sed.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:17143: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>conftest.err)
+ ac_status=$?
+ cat conftest.err >&5
+ echo "$as_me:17147: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s "$ac_outfile"; then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings other than the usual output.
+ $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_pic_works_GCJ=yes
+ fi
+ fi
+ $rm conftest*
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works_GCJ" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_pic_works_GCJ" >&6; }
+
+if test x"$lt_cv_prog_compiler_pic_works_GCJ" = xyes; then
+ case $lt_prog_compiler_pic_GCJ in
+ "" | " "*) ;;
+ *) lt_prog_compiler_pic_GCJ=" $lt_prog_compiler_pic_GCJ" ;;
+ esac
+else
+ lt_prog_compiler_pic_GCJ=
+ lt_prog_compiler_can_build_shared_GCJ=no
+fi
+
+fi
+case $host_os in
+ # For platforms which do not support PIC, -DPIC is meaningless:
+ *djgpp*)
+ lt_prog_compiler_pic_GCJ=
+ ;;
+ *)
+ lt_prog_compiler_pic_GCJ="$lt_prog_compiler_pic_GCJ"
+ ;;
+esac
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$lt_prog_compiler_wl_GCJ eval lt_tmp_static_flag=\"$lt_prog_compiler_static_GCJ\"
+{ echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5
+echo $ECHO_N "checking if $compiler static flag $lt_tmp_static_flag works... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_static_works_GCJ+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_static_works_GCJ=no
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
+ echo "$lt_simple_link_test_code" > conftest.$ac_ext
+ if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+ # The linker can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ if test -s conftest.err; then
+ # Append any errors to the config.log.
+ cat conftest.err 1>&5
+ $echo "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_static_works_GCJ=yes
+ fi
+ else
+ lt_cv_prog_compiler_static_works_GCJ=yes
+ fi
+ fi
+ $rm -r conftest*
+ LDFLAGS="$save_LDFLAGS"
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works_GCJ" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_static_works_GCJ" >&6; }
+
+if test x"$lt_cv_prog_compiler_static_works_GCJ" = xyes; then
+ :
+else
+ lt_prog_compiler_static_GCJ=
+fi
+
+
+{ echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
+echo $ECHO_N "checking if $compiler supports -c -o file.$ac_objext... $ECHO_C" >&6; }
+if test "${lt_cv_prog_compiler_c_o_GCJ+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_prog_compiler_c_o_GCJ=no
+ $rm -r conftest 2>/dev/null
+ mkdir conftest
+ cd conftest
+ mkdir out
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ lt_compiler_flag="-o out/conftest2.$ac_objext"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:17247: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>out/conftest.err)
+ ac_status=$?
+ cat out/conftest.err >&5
+ echo "$as_me:17251: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s out/conftest2.$ac_objext
+ then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+ $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+ if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_c_o_GCJ=yes
+ fi
+ fi
+ chmod u+w . 2>&5
+ $rm conftest*
+ # SGI C++ compiler will create directory out/ii_files/ for
+ # template instantiation
+ test -d out/ii_files && $rm out/ii_files/* && rmdir out/ii_files
+ $rm out/* && rmdir out
+ cd ..
+ rmdir conftest
+ $rm conftest*
+
+fi
+{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o_GCJ" >&5
+echo "${ECHO_T}$lt_cv_prog_compiler_c_o_GCJ" >&6; }
+
+
+hard_links="nottested"
+if test "$lt_cv_prog_compiler_c_o_GCJ" = no && test "$need_locks" != no; then
+ # do not overwrite the value of need_locks provided by the user
+ { echo "$as_me:$LINENO: checking if we can lock with hard links" >&5
+echo $ECHO_N "checking if we can lock with hard links... $ECHO_C" >&6; }
+ hard_links=yes
+ $rm conftest*
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ touch conftest.a
+ ln conftest.a conftest.b 2>&5 || hard_links=no
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ { echo "$as_me:$LINENO: result: $hard_links" >&5
+echo "${ECHO_T}$hard_links" >&6; }
+ if test "$hard_links" = no; then
+ { echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
+echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;}
+ need_locks=warn
+ fi
+else
+ need_locks=no
+fi
+
+{ echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared libraries... $ECHO_C" >&6; }
+
+ runpath_var=
+ allow_undefined_flag_GCJ=
+ enable_shared_with_static_runtimes_GCJ=no
+ archive_cmds_GCJ=
+ archive_expsym_cmds_GCJ=
+ old_archive_From_new_cmds_GCJ=
+ old_archive_from_expsyms_cmds_GCJ=
+ export_dynamic_flag_spec_GCJ=
+ whole_archive_flag_spec_GCJ=
+ thread_safe_flag_spec_GCJ=
+ hardcode_libdir_flag_spec_GCJ=
+ hardcode_libdir_flag_spec_ld_GCJ=
+ hardcode_libdir_separator_GCJ=
+ hardcode_direct_GCJ=no
+ hardcode_minus_L_GCJ=no
+ hardcode_shlibpath_var_GCJ=unsupported
+ link_all_deplibs_GCJ=unknown
+ hardcode_automatic_GCJ=no
+ module_cmds_GCJ=
+ module_expsym_cmds_GCJ=
+ always_export_symbols_GCJ=no
+ export_symbols_cmds_GCJ='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+ # include_expsyms should be a list of space-separated symbols to be *always*
+ # included in the symbol list
+ include_expsyms_GCJ=
+ # exclude_expsyms can be an extended regexp of symbols to exclude
+ # it will be wrapped by ` (' and `)$', so one must not match beginning or
+ # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+ # as well as any symbol that contains `d'.
+ exclude_expsyms_GCJ='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
+ # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+ # platforms (ab)use it in PIC code, but their linkers get confused if
+ # the symbol is explicitly referenced. Since portable code cannot
+ # rely on this symbol name, it's probably fine to never include it in
+ # preloaded symbol tables.
+ # Exclude shared library initialization/finalization symbols.
+ extract_expsyms_cmds=
+ # Just being paranoid about ensuring that cc_basename is set.
+ for cc_temp in $compiler""; do
+ case $cc_temp in
+ compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+ distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+ \-*) ;;
+ *) break;;
+ esac
+done
+cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+
+ case $host_os in
+ cygwin* | mingw* | pw32*)
+ # FIXME: the MSVC++ port hasn't been tested in a loooong time
+ # When not using gcc, we currently assume that we are using
+ # Microsoft Visual C++.
+ if test "$GCC" != yes; then
+ with_gnu_ld=no
+ fi
+ ;;
+ interix*)
+ # we just hope/assume this is gcc and not c89 (= MSVC++)
+ with_gnu_ld=yes
+ ;;
+ openbsd*)
+ with_gnu_ld=no
+ ;;
+ esac
+
+ ld_shlibs_GCJ=yes
+ if test "$with_gnu_ld" = yes; then
+ # If archive_cmds runs LD, not CC, wlarc should be empty
+ wlarc='${wl}'
+
+ # Set some defaults for GNU ld with shared library support. These
+ # are reset later if shared libraries are not supported. Putting them
+ # here allows them to be overridden if necessary.
+ runpath_var=LD_RUN_PATH
+ hardcode_libdir_flag_spec_GCJ='${wl}--rpath ${wl}$libdir'
+ export_dynamic_flag_spec_GCJ='${wl}--export-dynamic'
+ # ancient GNU ld didn't support --whole-archive et. al.
+ if $LD --help 2>&1 | grep 'no-whole-archive' > /dev/null; then
+ whole_archive_flag_spec_GCJ="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+ else
+ whole_archive_flag_spec_GCJ=
+ fi
+ supports_anon_versioning=no
+ case `$LD -v 2>/dev/null` in
+ *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11
+ *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+ *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+ *\ 2.11.*) ;; # other 2.11 versions
+ *) supports_anon_versioning=yes ;;
+ esac
+
+ # See if GNU ld supports shared libraries.
+ case $host_os in
+ aix[3-9]*)
+ # On AIX/PPC, the GNU linker is very broken
+ if test "$host_cpu" != ia64; then
+ ld_shlibs_GCJ=no
+ cat <<EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.9.1, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support. If you
+*** really care for shared libraries, you may want to modify your PATH
+*** so that a non-GNU linker is found, and then restart.
+
+EOF
+ fi
+ ;;
+
+ amigaos*)
+ archive_cmds_GCJ='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+ hardcode_libdir_flag_spec_GCJ='-L$libdir'
+ hardcode_minus_L_GCJ=yes
+
+ # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
+ # that the semantics of dynamic libraries on AmigaOS, at least up
+ # to version 4, is to share data among multiple programs linked
+ # with the same dynamic library. Since this doesn't match the
+ # behavior of shared libraries on other platforms, we can't use
+ # them.
+ ld_shlibs_GCJ=no
+ ;;
+
+ beos*)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ allow_undefined_flag_GCJ=unsupported
+ # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+ # support --undefined. This deserves some investigation. FIXME
+ archive_cmds_GCJ='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ else
+ ld_shlibs_GCJ=no
+ fi
+ ;;
+
+ cygwin* | mingw* | pw32*)
+ # _LT_AC_TAGVAR(hardcode_libdir_flag_spec, GCJ) is actually meaningless,
+ # as there is no search path for DLLs.
+ hardcode_libdir_flag_spec_GCJ='-L$libdir'
+ allow_undefined_flag_GCJ=unsupported
+ always_export_symbols_GCJ=no
+ enable_shared_with_static_runtimes_GCJ=yes
+ export_symbols_cmds_GCJ='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/'\'' -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
+
+ if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
+ archive_cmds_GCJ='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ # If the export-symbols file already is a .def file (1st line
+ # is EXPORTS), use it as is; otherwise, prepend...
+ archive_expsym_cmds_GCJ='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+ cp $export_symbols $output_objdir/$soname.def;
+ else
+ echo EXPORTS > $output_objdir/$soname.def;
+ cat $export_symbols >> $output_objdir/$soname.def;
+ fi~
+ $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ else
+ ld_shlibs_GCJ=no
+ fi
+ ;;
+
+ interix[3-9]*)
+ hardcode_direct_GCJ=no
+ hardcode_shlibpath_var_GCJ=no
+ hardcode_libdir_flag_spec_GCJ='${wl}-rpath,$libdir'
+ export_dynamic_flag_spec_GCJ='${wl}-E'
+ # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+ # Instead, shared libraries are loaded at an image base (0x10000000 by
+ # default) and relocated if they conflict, which is a slow very memory
+ # consuming and fragmenting process. To avoid this, we pick a random,
+ # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+ # time. Moving up from 0x10000000 also allows more sbrk(2) space.
+ archive_cmds_GCJ='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ archive_expsym_cmds_GCJ='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ ;;
+
+ gnu* | linux* | k*bsd*-gnu)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ tmp_addflag=
+ case $cc_basename,$host_cpu in
+ pgcc*) # Portland Group C compiler
+ whole_archive_flag_spec_GCJ='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_addflag=' $pic_flag'
+ ;;
+ pgf77* | pgf90* | pgf95*) # Portland Group f77 and f90 compilers
+ whole_archive_flag_spec_GCJ='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_addflag=' $pic_flag -Mnomain' ;;
+ ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64
+ tmp_addflag=' -i_dynamic' ;;
+ efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64
+ tmp_addflag=' -i_dynamic -nofor_main' ;;
+ ifc* | ifort*) # Intel Fortran compiler
+ tmp_addflag=' -nofor_main' ;;
+ esac
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*) # Sun C 5.9
+ whole_archive_flag_spec_GCJ='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_sharedflag='-G' ;;
+ *Sun\ F*) # Sun Fortran 8.3
+ tmp_sharedflag='-G' ;;
+ *)
+ tmp_sharedflag='-shared' ;;
+ esac
+ archive_cmds_GCJ='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+ if test $supports_anon_versioning = yes; then
+ archive_expsym_cmds_GCJ='$echo "{ global:" > $output_objdir/$libname.ver~
+ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+ $echo "local: *; };" >> $output_objdir/$libname.ver~
+ $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+ fi
+ link_all_deplibs_GCJ=no
+ else
+ ld_shlibs_GCJ=no
+ fi
+ ;;
+
+ netbsd* | netbsdelf*-gnu)
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ archive_cmds_GCJ='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+ wlarc=
+ else
+ archive_cmds_GCJ='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds_GCJ='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ fi
+ ;;
+
+ solaris*)
+ if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
+ ld_shlibs_GCJ=no
+ cat <<EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems. Therefore, libtool
+*** is disabling shared libraries support. We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer. Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+EOF
+ elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ archive_cmds_GCJ='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds_GCJ='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ ld_shlibs_GCJ=no
+ fi
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+ case `$LD -v 2>&1` in
+ *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
+ ld_shlibs_GCJ=no
+ cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems. Therefore, libtool
+*** is disabling shared libraries support. We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer. Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+ ;;
+ *)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ hardcode_libdir_flag_spec_GCJ='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
+ archive_cmds_GCJ='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib'
+ archive_expsym_cmds_GCJ='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname,-retain-symbols-file,$export_symbols -o $lib'
+ else
+ ld_shlibs_GCJ=no
+ fi
+ ;;
+ esac
+ ;;
+
+ sunos4*)
+ archive_cmds_GCJ='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ wlarc=
+ hardcode_direct_GCJ=yes
+ hardcode_shlibpath_var_GCJ=no
+ ;;
+
+ *)
+ if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+ archive_cmds_GCJ='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds_GCJ='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ ld_shlibs_GCJ=no
+ fi
+ ;;
+ esac
+
+ if test "$ld_shlibs_GCJ" = no; then
+ runpath_var=
+ hardcode_libdir_flag_spec_GCJ=
+ export_dynamic_flag_spec_GCJ=
+ whole_archive_flag_spec_GCJ=
+ fi
+ else
+ # PORTME fill in a description of your system's linker (not GNU ld)
+ case $host_os in
+ aix3*)
+ allow_undefined_flag_GCJ=unsupported
+ always_export_symbols_GCJ=yes
+ archive_expsym_cmds_GCJ='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+ # Note: this linker hardcodes the directories in LIBPATH if there
+ # are no directories specified by -L.
+ hardcode_minus_L_GCJ=yes
+ if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+ # Neither direct hardcoding nor static linking is supported with a
+ # broken collect2.
+ hardcode_direct_GCJ=unsupported
+ fi
+ ;;
+
+ aix[4-9]*)
+ if test "$host_cpu" = ia64; then
+ # On IA64, the linker does run time linking by default, so we don't
+ # have to do anything special.
+ aix_use_runtimelinking=no
+ exp_sym_flag='-Bexport'
+ no_entry_flag=""
+ else
+ # If we're using GNU nm, then we don't want the "-C" option.
+ # -C means demangle to AIX nm, but means don't demangle with GNU nm
+ if $NM -V 2>&1 | grep 'GNU' > /dev/null; then
+ export_symbols_cmds_GCJ='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$2 == "T") || (\$2 == "D") || (\$2 == "B")) && (substr(\$3,1,1) != ".")) { print \$3 } }'\'' | sort -u > $export_symbols'
+ else
+ export_symbols_cmds_GCJ='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$2 == "T") || (\$2 == "D") || (\$2 == "B")) && (substr(\$3,1,1) != ".")) { print \$3 } }'\'' | sort -u > $export_symbols'
+ fi
+ aix_use_runtimelinking=no
+
+ # Test if we are trying to use run time linking or normal
+ # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+ # need to do runtime linking.
+ case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
+ for ld_flag in $LDFLAGS; do
+ if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+ aix_use_runtimelinking=yes
+ break
+ fi
+ done
+ ;;
+ esac
+
+ exp_sym_flag='-bexport'
+ no_entry_flag='-bnoentry'
+ fi
+
+ # When large executables or shared objects are built, AIX ld can
+ # have problems creating the table of contents. If linking a library
+ # or program results in "error TOC overflow" add -mminimal-toc to
+ # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
+ # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+ archive_cmds_GCJ=''
+ hardcode_direct_GCJ=yes
+ hardcode_libdir_separator_GCJ=':'
+ link_all_deplibs_GCJ=yes
+
+ if test "$GCC" = yes; then
+ case $host_os in aix4.[012]|aix4.[012].*)
+ # We only want to do this on AIX 4.2 and lower, the check
+ # below for broken collect2 doesn't work under 4.3+
+ collect2name=`${CC} -print-prog-name=collect2`
+ if test -f "$collect2name" && \
+ strings "$collect2name" | grep resolve_lib_name >/dev/null
+ then
+ # We have reworked collect2
+ :
+ else
+ # We have old collect2
+ hardcode_direct_GCJ=unsupported
+ # It fails to find uninstalled libraries when the uninstalled
+ # path is not listed in the libpath. Setting hardcode_minus_L
+ # to unsupported forces relinking
+ hardcode_minus_L_GCJ=yes
+ hardcode_libdir_flag_spec_GCJ='-L$libdir'
+ hardcode_libdir_separator_GCJ=
+ fi
+ ;;
+ esac
+ shared_flag='-shared'
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag="$shared_flag "'${wl}-G'
+ fi
+ else
+ # not using gcc
+ if test "$host_cpu" = ia64; then
+ # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+ # chokes on -Wl,-G. The following line is correct:
+ shared_flag='-G'
+ else
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag='${wl}-G'
+ else
+ shared_flag='${wl}-bM:SRE'
+ fi
+ fi
+ fi
+
+ # It seems that -bexpall does not export symbols beginning with
+ # underscore (_), so it is better to generate a list of symbols to export.
+ always_export_symbols_GCJ=yes
+ if test "$aix_use_runtimelinking" = yes; then
+ # Warning - without using the other runtime loading flags (-brtl),
+ # -berok will link without error, but may produce a broken library.
+ allow_undefined_flag_GCJ='-berok'
+ # Determine the default libpath from the value encoded in an empty executable.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+
+lt_aix_libpath_sed='
+ /Import File Strings/,/^$/ {
+ /^0/ {
+ s/^0 *\(.*\)$/\1/
+ p
+ }
+ }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+ aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+ hardcode_libdir_flag_spec_GCJ='${wl}-blibpath:$libdir:'"$aix_libpath"
+ archive_expsym_cmds_GCJ="\$CC"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+ else
+ if test "$host_cpu" = ia64; then
+ hardcode_libdir_flag_spec_GCJ='${wl}-R $libdir:/usr/lib:/lib'
+ allow_undefined_flag_GCJ="-z nodefs"
+ archive_expsym_cmds_GCJ="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+ else
+ # Determine the default libpath from the value encoded in an empty executable.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+
+lt_aix_libpath_sed='
+ /Import File Strings/,/^$/ {
+ /^0/ {
+ s/^0 *\(.*\)$/\1/
+ p
+ }
+ }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+ aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+ hardcode_libdir_flag_spec_GCJ='${wl}-blibpath:$libdir:'"$aix_libpath"
+ # Warning - without using the other run time loading flags,
+ # -berok will link without error, but may produce a broken library.
+ no_undefined_flag_GCJ=' ${wl}-bernotok'
+ allow_undefined_flag_GCJ=' ${wl}-berok'
+ # Exported symbols can be pulled into shared objects from archives
+ whole_archive_flag_spec_GCJ='$convenience'
+ archive_cmds_need_lc_GCJ=yes
+ # This is similar to how AIX traditionally builds its shared libraries.
+ archive_expsym_cmds_GCJ="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+ fi
+ fi
+ ;;
+
+ amigaos*)
+ archive_cmds_GCJ='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+ hardcode_libdir_flag_spec_GCJ='-L$libdir'
+ hardcode_minus_L_GCJ=yes
+ # see comment about different semantics on the GNU ld section
+ ld_shlibs_GCJ=no
+ ;;
+
+ bsdi[45]*)
+ export_dynamic_flag_spec_GCJ=-rdynamic
+ ;;
+
+ cygwin* | mingw* | pw32*)
+ # When not using gcc, we currently assume that we are using
+ # Microsoft Visual C++.
+ # hardcode_libdir_flag_spec is actually meaningless, as there is
+ # no search path for DLLs.
+ hardcode_libdir_flag_spec_GCJ=' '
+ allow_undefined_flag_GCJ=unsupported
+ # Tell ltmain to make .lib files, not .a files.
+ libext=lib
+ # Tell ltmain to make .dll files, not .so files.
+ shrext_cmds=".dll"
+ # FIXME: Setting linknames here is a bad hack.
+ archive_cmds_GCJ='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll~linknames='
+ # The linker will automatically build a .lib file if we build a DLL.
+ old_archive_From_new_cmds_GCJ='true'
+ # FIXME: Should let the user specify the lib program.
+ old_archive_cmds_GCJ='lib -OUT:$oldlib$oldobjs$old_deplibs'
+ fix_srcfile_path_GCJ='`cygpath -w "$srcfile"`'
+ enable_shared_with_static_runtimes_GCJ=yes
+ ;;
+
+ darwin* | rhapsody*)
+ case $host_os in
+ rhapsody* | darwin1.[012])
+ allow_undefined_flag_GCJ='${wl}-undefined ${wl}suppress'
+ ;;
+ *) # Darwin 1.3 on
+ if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then
+ allow_undefined_flag_GCJ='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
+ else
+ case ${MACOSX_DEPLOYMENT_TARGET} in
+ 10.[012])
+ allow_undefined_flag_GCJ='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
+ ;;
+ 10.*)
+ allow_undefined_flag_GCJ='${wl}-undefined ${wl}dynamic_lookup'
+ ;;
+ esac
+ fi
+ ;;
+ esac
+ archive_cmds_need_lc_GCJ=no
+ hardcode_direct_GCJ=no
+ hardcode_automatic_GCJ=yes
+ hardcode_shlibpath_var_GCJ=unsupported
+ whole_archive_flag_spec_GCJ=''
+ link_all_deplibs_GCJ=yes
+ if test "$GCC" = yes ; then
+ output_verbose_link_cmd='echo'
+ archive_cmds_GCJ="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+ module_cmds_GCJ="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+ archive_expsym_cmds_GCJ="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+ module_expsym_cmds_GCJ="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+ else
+ case $cc_basename in
+ xlc*)
+ output_verbose_link_cmd='echo'
+ archive_cmds_GCJ='$CC -qmkshrobj $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}`echo $rpath/$soname` $xlcverstring'
+ module_cmds_GCJ='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags'
+ # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin lds
+ archive_expsym_cmds_GCJ='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -qmkshrobj $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}$rpath/$soname $xlcverstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ module_expsym_cmds_GCJ='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ ;;
+ *)
+ ld_shlibs_GCJ=no
+ ;;
+ esac
+ fi
+ ;;
+
+ dgux*)
+ archive_cmds_GCJ='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec_GCJ='-L$libdir'
+ hardcode_shlibpath_var_GCJ=no
+ ;;
+
+ freebsd1*)
+ ld_shlibs_GCJ=no
+ ;;
+
+ # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+ # support. Future versions do this automatically, but an explicit c++rt0.o
+ # does not break anything, and helps significantly (at the cost of a little
+ # extra space).
+ freebsd2.2*)
+ archive_cmds_GCJ='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+ hardcode_libdir_flag_spec_GCJ='-R$libdir'
+ hardcode_direct_GCJ=yes
+ hardcode_shlibpath_var_GCJ=no
+ ;;
+
+ # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+ freebsd2*)
+ archive_cmds_GCJ='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct_GCJ=yes
+ hardcode_minus_L_GCJ=yes
+ hardcode_shlibpath_var_GCJ=no
+ ;;
+
+ # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+ freebsd* | dragonfly*)
+ archive_cmds_GCJ='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
+ hardcode_libdir_flag_spec_GCJ='-R$libdir'
+ hardcode_direct_GCJ=yes
+ hardcode_shlibpath_var_GCJ=no
+ ;;
+
+ hpux9*)
+ if test "$GCC" = yes; then
+ archive_cmds_GCJ='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ else
+ archive_cmds_GCJ='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ fi
+ hardcode_libdir_flag_spec_GCJ='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator_GCJ=:
+ hardcode_direct_GCJ=yes
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ hardcode_minus_L_GCJ=yes
+ export_dynamic_flag_spec_GCJ='${wl}-E'
+ ;;
+
+ hpux10*)
+ if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+ archive_cmds_GCJ='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds_GCJ='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+ fi
+ if test "$with_gnu_ld" = no; then
+ hardcode_libdir_flag_spec_GCJ='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator_GCJ=:
+
+ hardcode_direct_GCJ=yes
+ export_dynamic_flag_spec_GCJ='${wl}-E'
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ hardcode_minus_L_GCJ=yes
+ fi
+ ;;
+
+ hpux11*)
+ if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+ case $host_cpu in
+ hppa*64*)
+ archive_cmds_GCJ='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ ia64*)
+ archive_cmds_GCJ='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ archive_cmds_GCJ='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ else
+ case $host_cpu in
+ hppa*64*)
+ archive_cmds_GCJ='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ ia64*)
+ archive_cmds_GCJ='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ archive_cmds_GCJ='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ fi
+ if test "$with_gnu_ld" = no; then
+ hardcode_libdir_flag_spec_GCJ='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator_GCJ=:
+
+ case $host_cpu in
+ hppa*64*|ia64*)
+ hardcode_libdir_flag_spec_ld_GCJ='+b $libdir'
+ hardcode_direct_GCJ=no
+ hardcode_shlibpath_var_GCJ=no
+ ;;
+ *)
+ hardcode_direct_GCJ=yes
+ export_dynamic_flag_spec_GCJ='${wl}-E'
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ hardcode_minus_L_GCJ=yes
+ ;;
+ esac
+ fi
+ ;;
+
+ irix5* | irix6* | nonstopux*)
+ if test "$GCC" = yes; then
+ archive_cmds_GCJ='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ archive_cmds_GCJ='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ hardcode_libdir_flag_spec_ld_GCJ='-rpath $libdir'
+ fi
+ hardcode_libdir_flag_spec_GCJ='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator_GCJ=:
+ link_all_deplibs_GCJ=yes
+ ;;
+
+ netbsd* | netbsdelf*-gnu)
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ archive_cmds_GCJ='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
+ else
+ archive_cmds_GCJ='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
+ fi
+ hardcode_libdir_flag_spec_GCJ='-R$libdir'
+ hardcode_direct_GCJ=yes
+ hardcode_shlibpath_var_GCJ=no
+ ;;
+
+ newsos6)
+ archive_cmds_GCJ='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct_GCJ=yes
+ hardcode_libdir_flag_spec_GCJ='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator_GCJ=:
+ hardcode_shlibpath_var_GCJ=no
+ ;;
+
+ openbsd*)
+ if test -f /usr/libexec/ld.so; then
+ hardcode_direct_GCJ=yes
+ hardcode_shlibpath_var_GCJ=no
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ archive_cmds_GCJ='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_GCJ='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+ hardcode_libdir_flag_spec_GCJ='${wl}-rpath,$libdir'
+ export_dynamic_flag_spec_GCJ='${wl}-E'
+ else
+ case $host_os in
+ openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
+ archive_cmds_GCJ='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec_GCJ='-R$libdir'
+ ;;
+ *)
+ archive_cmds_GCJ='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ hardcode_libdir_flag_spec_GCJ='${wl}-rpath,$libdir'
+ ;;
+ esac
+ fi
+ else
+ ld_shlibs_GCJ=no
+ fi
+ ;;
+
+ os2*)
+ hardcode_libdir_flag_spec_GCJ='-L$libdir'
+ hardcode_minus_L_GCJ=yes
+ allow_undefined_flag_GCJ=unsupported
+ archive_cmds_GCJ='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+ old_archive_From_new_cmds_GCJ='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+ ;;
+
+ osf3*)
+ if test "$GCC" = yes; then
+ allow_undefined_flag_GCJ=' ${wl}-expect_unresolved ${wl}\*'
+ archive_cmds_GCJ='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ allow_undefined_flag_GCJ=' -expect_unresolved \*'
+ archive_cmds_GCJ='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ fi
+ hardcode_libdir_flag_spec_GCJ='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator_GCJ=:
+ ;;
+
+ osf4* | osf5*) # as osf3* with the addition of -msym flag
+ if test "$GCC" = yes; then
+ allow_undefined_flag_GCJ=' ${wl}-expect_unresolved ${wl}\*'
+ archive_cmds_GCJ='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ hardcode_libdir_flag_spec_GCJ='${wl}-rpath ${wl}$libdir'
+ else
+ allow_undefined_flag_GCJ=' -expect_unresolved \*'
+ archive_cmds_GCJ='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+ archive_expsym_cmds_GCJ='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
+ $LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib~$rm $lib.exp'
+
+ # Both c and cxx compiler support -rpath directly
+ hardcode_libdir_flag_spec_GCJ='-rpath $libdir'
+ fi
+ hardcode_libdir_separator_GCJ=:
+ ;;
+
+ solaris*)
+ no_undefined_flag_GCJ=' -z text'
+ if test "$GCC" = yes; then
+ wlarc='${wl}'
+ archive_cmds_GCJ='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_GCJ='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
+ else
+ wlarc=''
+ archive_cmds_GCJ='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ archive_expsym_cmds_GCJ='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
+ fi
+ hardcode_libdir_flag_spec_GCJ='-R$libdir'
+ hardcode_shlibpath_var_GCJ=no
+ case $host_os in
+ solaris2.[0-5] | solaris2.[0-5].*) ;;
+ *)
+ # The compiler driver will combine and reorder linker options,
+ # but understands `-z linker_flag'. GCC discards it without `$wl',
+ # but is careful enough not to reorder.
+ # Supported since Solaris 2.6 (maybe 2.5.1?)
+ if test "$GCC" = yes; then
+ whole_archive_flag_spec_GCJ='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+ else
+ whole_archive_flag_spec_GCJ='-z allextract$convenience -z defaultextract'
+ fi
+ ;;
+ esac
+ link_all_deplibs_GCJ=yes
+ ;;
+
+ sunos4*)
+ if test "x$host_vendor" = xsequent; then
+ # Use $CC to link under sequent, because it throws in some extra .o
+ # files that make .init and .fini sections work.
+ archive_cmds_GCJ='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds_GCJ='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+ fi
+ hardcode_libdir_flag_spec_GCJ='-L$libdir'
+ hardcode_direct_GCJ=yes
+ hardcode_minus_L_GCJ=yes
+ hardcode_shlibpath_var_GCJ=no
+ ;;
+
+ sysv4)
+ case $host_vendor in
+ sni)
+ archive_cmds_GCJ='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct_GCJ=yes # is this really true???
+ ;;
+ siemens)
+ ## LD is ld it makes a PLAMLIB
+ ## CC just makes a GrossModule.
+ archive_cmds_GCJ='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+ reload_cmds_GCJ='$CC -r -o $output$reload_objs'
+ hardcode_direct_GCJ=no
+ ;;
+ motorola)
+ archive_cmds_GCJ='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct_GCJ=no #Motorola manual says yes, but my tests say they lie
+ ;;
+ esac
+ runpath_var='LD_RUN_PATH'
+ hardcode_shlibpath_var_GCJ=no
+ ;;
+
+ sysv4.3*)
+ archive_cmds_GCJ='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_shlibpath_var_GCJ=no
+ export_dynamic_flag_spec_GCJ='-Bexport'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ archive_cmds_GCJ='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_shlibpath_var_GCJ=no
+ runpath_var=LD_RUN_PATH
+ hardcode_runpath_var=yes
+ ld_shlibs_GCJ=yes
+ fi
+ ;;
+
+ sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
+ no_undefined_flag_GCJ='${wl}-z,text'
+ archive_cmds_need_lc_GCJ=no
+ hardcode_shlibpath_var_GCJ=no
+ runpath_var='LD_RUN_PATH'
+
+ if test "$GCC" = yes; then
+ archive_cmds_GCJ='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_GCJ='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds_GCJ='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_GCJ='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6*)
+ # Note: We can NOT use -z defs as we might desire, because we do not
+ # link with -lc, and that would cause any symbols used from libc to
+ # always be unresolved, which means just about no library would
+ # ever link correctly. If we're not using GNU ld we use -z text
+ # though, which does catch some bad symbols but isn't as heavy-handed
+ # as -z defs.
+ no_undefined_flag_GCJ='${wl}-z,text'
+ allow_undefined_flag_GCJ='${wl}-z,nodefs'
+ archive_cmds_need_lc_GCJ=no
+ hardcode_shlibpath_var_GCJ=no
+ hardcode_libdir_flag_spec_GCJ='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
+ hardcode_libdir_separator_GCJ=':'
+ link_all_deplibs_GCJ=yes
+ export_dynamic_flag_spec_GCJ='${wl}-Bexport'
+ runpath_var='LD_RUN_PATH'
+
+ if test "$GCC" = yes; then
+ archive_cmds_GCJ='$CC -shared ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_GCJ='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds_GCJ='$CC -G ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds_GCJ='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
+ ;;
+
+ uts4*)
+ archive_cmds_GCJ='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec_GCJ='-L$libdir'
+ hardcode_shlibpath_var_GCJ=no
+ ;;
+
+ *)
+ ld_shlibs_GCJ=no
+ ;;
+ esac
+ fi
+
+{ echo "$as_me:$LINENO: result: $ld_shlibs_GCJ" >&5
+echo "${ECHO_T}$ld_shlibs_GCJ" >&6; }
+test "$ld_shlibs_GCJ" = no && can_build_shared=no
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$archive_cmds_need_lc_GCJ" in
+x|xyes)
+ # Assume -lc should be added
+ archive_cmds_need_lc_GCJ=yes
+
+ if test "$enable_shared" = yes && test "$GCC" = yes; then
+ case $archive_cmds_GCJ in
+ *'~'*)
+ # FIXME: we may have to deal with multi-command sequences.
+ ;;
+ '$CC '*)
+ # Test whether the compiler implicitly links with -lc since on some
+ # systems, -lgcc has to come before -lc. If gcc already passes -lc
+ # to ld, don't add -lc before -lgcc.
+ { echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5
+echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >&6; }
+ $rm conftest*
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } 2>conftest.err; then
+ soname=conftest
+ lib=conftest
+ libobjs=conftest.$ac_objext
+ deplibs=
+ wl=$lt_prog_compiler_wl_GCJ
+ pic_flag=$lt_prog_compiler_pic_GCJ
+ compiler_flags=-v
+ linker_flags=-v
+ verstring=
+ output_objdir=.
+ libname=conftest
+ lt_save_allow_undefined_flag=$allow_undefined_flag_GCJ
+ allow_undefined_flag_GCJ=
+ if { (eval echo "$as_me:$LINENO: \"$archive_cmds_GCJ 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1\"") >&5
+ (eval $archive_cmds_GCJ 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+ then
+ archive_cmds_need_lc_GCJ=no
+ else
+ archive_cmds_need_lc_GCJ=yes
+ fi
+ allow_undefined_flag_GCJ=$lt_save_allow_undefined_flag
+ else
+ cat conftest.err 1>&5
+ fi
+ $rm conftest*
+ { echo "$as_me:$LINENO: result: $archive_cmds_need_lc_GCJ" >&5
+echo "${ECHO_T}$archive_cmds_need_lc_GCJ" >&6; }
+ ;;
+ esac
+ fi
+ ;;
+esac
+
+{ echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5
+echo $ECHO_N "checking dynamic linker characteristics... $ECHO_C" >&6; }
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+ shlibpath_var=LIBPATH
+
+ # AIX 3 has no versioning support, so we append a major version to the name.
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+
+aix[4-9]*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ hardcode_into_libs=yes
+ if test "$host_cpu" = ia64; then
+ # AIX 5 supports IA64
+ library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ else
+ # With GCC up to 2.95.x, collect2 would create an import file
+ # for dependence libraries. The import file would start with
+ # the line `#! .'. This would cause the generated library to
+ # depend on `.', always an invalid library. This was fixed in
+ # development snapshots of GCC prior to 3.0.
+ case $host_os in
+ aix4 | aix4.[01] | aix4.[01].*)
+ if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+ echo ' yes '
+ echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then
+ :
+ else
+ can_build_shared=no
+ fi
+ ;;
+ esac
+ # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+ # soname into executable. Probably we can add versioning support to
+ # collect2, so additional links can be useful in future.
+ if test "$aix_use_runtimelinking" = yes; then
+ # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+ # instead of lib<name>.a to let people know that these are not
+ # typical AIX shared libraries.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ else
+ # We preserve .a as extension for shared libraries through AIX4.2
+ # and later when we are not doing run time linking.
+ library_names_spec='${libname}${release}.a $libname.a'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ fi
+ shlibpath_var=LIBPATH
+ fi
+ ;;
+
+amigaos*)
+ library_names_spec='$libname.ixlibrary $libname.a'
+ # Create ${libname}_ixlibrary.a entries in /sys/libs.
+ finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+ ;;
+
+beos*)
+ library_names_spec='${libname}${shared_ext}'
+ dynamic_linker="$host_os ld.so"
+ shlibpath_var=LIBRARY_PATH
+ ;;
+
+bsdi[45]*)
+ version_type=linux
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+ sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+ # the default ld.so.conf also contains /usr/contrib/lib and
+ # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+ # libtool to hard-code these into programs
+ ;;
+
+cygwin* | mingw* | pw32*)
+ version_type=windows
+ shrext_cmds=".dll"
+ need_version=no
+ need_lib_prefix=no
+
+ case $GCC,$host_os in
+ yes,cygwin* | yes,mingw* | yes,pw32*)
+ library_names_spec='$libname.dll.a'
+ # DLL is installed to $(libdir)/../bin by postinstall_cmds
+ postinstall_cmds='base_file=`basename \${file}`~
+ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i;echo \$dlname'\''`~
+ dldir=$destdir/`dirname \$dlpath`~
+ test -d \$dldir || mkdir -p \$dldir~
+ $install_prog $dir/$dlname \$dldir/$dlname~
+ chmod a+x \$dldir/$dlname'
+ postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+ dlpath=$dir/\$dldll~
+ $rm \$dlpath'
+ shlibpath_overrides_runpath=yes
+
+ case $host_os in
+ cygwin*)
+ # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+ soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
+ ;;
+ mingw*)
+ # MinGW DLLs use traditional 'lib' prefix
+ soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+ if echo "$sys_lib_search_path_spec" | grep ';[c-zC-Z]:/' >/dev/null; then
+ # It is most probably a Windows format PATH printed by
+ # mingw gcc, but we are running on Cygwin. Gcc prints its search
+ # path with ; separators, and with drive letters. We can handle the
+ # drive letters (cygwin fileutils understands them), so leave them,
+ # especially as we might pass files found there to a mingw objdump,
+ # which wouldn't understand a cygwinified path. Ahh.
+ sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+ else
+ sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+ fi
+ ;;
+ pw32*)
+ # pw32 DLLs use 'pw' prefix rather than 'lib'
+ library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ ;;
+ esac
+ ;;
+
+ *)
+ library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib'
+ ;;
+ esac
+ dynamic_linker='Win32 ld.exe'
+ # FIXME: first we should search . and the directory the executable is in
+ shlibpath_var=PATH
+ ;;
+
+darwin* | rhapsody*)
+ dynamic_linker="$host_os dyld"
+ version_type=darwin
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${versuffix}$shared_ext ${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+ soname_spec='${libname}${release}${major}$shared_ext'
+ shlibpath_overrides_runpath=yes
+ shlibpath_var=DYLD_LIBRARY_PATH
+ shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+
+ sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+ ;;
+
+dgux*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+freebsd1*)
+ dynamic_linker=no
+ ;;
+
+freebsd* | dragonfly*)
+ # DragonFly does not have aout. When/if they implement a new
+ # versioning mechanism, adjust this.
+ if test -x /usr/bin/objformat; then
+ objformat=`/usr/bin/objformat`
+ else
+ case $host_os in
+ freebsd[123]*) objformat=aout ;;
+ *) objformat=elf ;;
+ esac
+ fi
+ version_type=freebsd-$objformat
+ case $version_type in
+ freebsd-elf*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ need_version=no
+ need_lib_prefix=no
+ ;;
+ freebsd-*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+ need_version=yes
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_os in
+ freebsd2*)
+ shlibpath_overrides_runpath=yes
+ ;;
+ freebsd3.[01]* | freebsdelf3.[01]*)
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
+ freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+ *) # from 4.6 on, and DragonFly
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ esac
+ ;;
+
+gnu*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ hardcode_into_libs=yes
+ ;;
+
+hpux9* | hpux10* | hpux11*)
+ # Give a soname corresponding to the major version so that dld.sl refuses to
+ # link against other versions.
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ case $host_cpu in
+ ia64*)
+ shrext_cmds='.so'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.so"
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ if test "X$HPUX_IA64_MODE" = X32; then
+ sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+ else
+ sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+ fi
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ hppa*64*)
+ shrext_cmds='.sl'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ *)
+ shrext_cmds='.sl'
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=SHLIB_PATH
+ shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+ esac
+ # HP-UX runs *really* slowly unless shared libraries are mode 555.
+ postinstall_cmds='chmod 555 $lib'
+ ;;
+
+interix[3-9]*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+
+irix5* | irix6* | nonstopux*)
+ case $host_os in
+ nonstopux*) version_type=nonstopux ;;
+ *)
+ if test "$lt_cv_prog_gnu_ld" = yes; then
+ version_type=linux
+ else
+ version_type=irix
+ fi ;;
+ esac
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+ case $host_os in
+ irix5* | nonstopux*)
+ libsuff= shlibsuff=
+ ;;
+ *)
+ case $LD in # libtool.m4 will add one of these switches to LD
+ *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+ libsuff= shlibsuff= libmagic=32-bit;;
+ *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+ libsuff=32 shlibsuff=N32 libmagic=N32;;
+ *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+ libsuff=64 shlibsuff=64 libmagic=64-bit;;
+ *) libsuff= shlibsuff= libmagic=never-match;;
+ esac
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+ sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+ hardcode_into_libs=yes
+ ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+ dynamic_linker=no
+ ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ # This implies no fast_install, which is unacceptable.
+ # Some rework will be needed to allow for fast_install
+ # before this can be enabled.
+ hardcode_into_libs=yes
+
+ # Append ld.so.conf contents to the search path
+ if test -f /etc/ld.so.conf; then
+ lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
+ sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+ fi
+
+ # We used to test for /lib/ld.so.1 and disable shared libraries on
+ # powerpc, because MkLinux only supported shared libraries with the
+ # GNU dynamic linker. Since this was broken with cross compilers,
+ # most powerpc-linux boxes support dynamic linking these days and
+ # people can always --disable-shared, the test was removed, and we
+ # assume the GNU/Linux dynamic linker is in use.
+ dynamic_linker='GNU/Linux ld.so'
+ ;;
+
+netbsdelf*-gnu)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ dynamic_linker='NetBSD ld.elf_so'
+ ;;
+
+netbsd*)
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ dynamic_linker='NetBSD (a.out) ld.so'
+ else
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='NetBSD ld.elf_so'
+ fi
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+
+newsos6)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ ;;
+
+nto-qnx*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ ;;
+
+openbsd*)
+ version_type=sunos
+ sys_lib_dlsearch_path_spec="/usr/lib"
+ need_lib_prefix=no
+ # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+ case $host_os in
+ openbsd3.3 | openbsd3.3.*) need_version=yes ;;
+ *) need_version=no ;;
+ esac
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ case $host_os in
+ openbsd2.[89] | openbsd2.[89].*)
+ shlibpath_overrides_runpath=no
+ ;;
+ *)
+ shlibpath_overrides_runpath=yes
+ ;;
+ esac
+ else
+ shlibpath_overrides_runpath=yes
+ fi
+ ;;
+
+os2*)
+ libname_spec='$name'
+ shrext_cmds=".dll"
+ need_lib_prefix=no
+ library_names_spec='$libname${shared_ext} $libname.a'
+ dynamic_linker='OS/2 ld.exe'
+ shlibpath_var=LIBPATH
+ ;;
+
+osf3* | osf4* | osf5*)
+ version_type=osf
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+ sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+ ;;
+
+rdos*)
+ dynamic_linker=no
+ ;;
+
+solaris*)
+ version_type=linux
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ # ldd complains unless libraries are executable
+ postinstall_cmds='chmod +x $lib'
+ ;;
+
+sunos4*)
+ version_type=sunos
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ if test "$with_gnu_ld" = yes; then
+ need_lib_prefix=no
+ fi
+ need_version=yes
+ ;;
+
+sysv4 | sysv4.3*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_vendor in
+ sni)
+ shlibpath_overrides_runpath=no
+ need_lib_prefix=no
+ export_dynamic_flag_spec='${wl}-Blargedynsym'
+ runpath_var=LD_RUN_PATH
+ ;;
+ siemens)
+ need_lib_prefix=no
+ ;;
+ motorola)
+ need_lib_prefix=no
+ need_version=no
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+ ;;
+ esac
+ ;;
+
+sysv4*MP*)
+ if test -d /usr/nec ;then
+ version_type=linux
+ library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+ soname_spec='$libname${shared_ext}.$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ fi
+ ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+ version_type=freebsd-elf
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ hardcode_into_libs=yes
+ if test "$with_gnu_ld" = yes; then
+ sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+ shlibpath_overrides_runpath=no
+ else
+ sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+ shlibpath_overrides_runpath=yes
+ case $host_os in
+ sco3.2v5*)
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+ ;;
+ esac
+ fi
+ sys_lib_dlsearch_path_spec='/usr/lib'
+ ;;
+
+uts4*)
+ version_type=linux
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+*)
+ dynamic_linker=no
+ ;;
+esac
+{ echo "$as_me:$LINENO: result: $dynamic_linker" >&5
+echo "${ECHO_T}$dynamic_linker" >&6; }
+test "$dynamic_linker" = no && can_build_shared=no
+
+if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_sys_lib_search_path_spec="$sys_lib_search_path_spec"
+fi
+
+sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ lt_cv_sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec"
+fi
+
+sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+ variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+{ echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5
+echo $ECHO_N "checking how to hardcode library paths into programs... $ECHO_C" >&6; }
+hardcode_action_GCJ=
+if test -n "$hardcode_libdir_flag_spec_GCJ" || \
+ test -n "$runpath_var_GCJ" || \
+ test "X$hardcode_automatic_GCJ" = "Xyes" ; then
+
+ # We can hardcode non-existant directories.
+ if test "$hardcode_direct_GCJ" != no &&
+ # If the only mechanism to avoid hardcoding is shlibpath_var, we
+ # have to relink, otherwise we might link with an installed library
+ # when we should be linking with a yet-to-be-installed one
+ ## test "$_LT_AC_TAGVAR(hardcode_shlibpath_var, GCJ)" != no &&
+ test "$hardcode_minus_L_GCJ" != no; then
+ # Linking always hardcodes the temporary library directory.
+ hardcode_action_GCJ=relink
+ else
+ # We can link without hardcoding, and we can hardcode nonexisting dirs.
+ hardcode_action_GCJ=immediate
+ fi
+else
+ # We cannot hardcode anything, or else we can only hardcode existing
+ # directories.
+ hardcode_action_GCJ=unsupported
+fi
+{ echo "$as_me:$LINENO: result: $hardcode_action_GCJ" >&5
+echo "${ECHO_T}$hardcode_action_GCJ" >&6; }
+
+if test "$hardcode_action_GCJ" = relink; then
+ # Fast installation is not supported
+ enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+ test "$enable_shared" = no; then
+ # Fast installation is not necessary
+ enable_fast_install=needless
+fi
+
+
+# The else clause should only fire when bootstrapping the
+# libtool distribution, otherwise you forgot to ship ltmain.sh
+# with your package, and you will get complaints that there are
+# no rules to generate ltmain.sh.
+if test -f "$ltmain"; then
+ # See if we are running on zsh, and set the options which allow our commands through
+ # without removal of \ escapes.
+ if test -n "${ZSH_VERSION+set}" ; then
+ setopt NO_GLOB_SUBST
+ fi
+ # Now quote all the things that may contain metacharacters while being
+ # careful not to overquote the AC_SUBSTed values. We take copies of the
+ # variables and quote the copies for generation of the libtool script.
+ for var in echo old_CC old_CFLAGS AR AR_FLAGS EGREP RANLIB LN_S LTCC LTCFLAGS NM \
+ SED SHELL STRIP \
+ libname_spec library_names_spec soname_spec extract_expsyms_cmds \
+ old_striplib striplib file_magic_cmd finish_cmds finish_eval \
+ deplibs_check_method reload_flag reload_cmds need_locks \
+ lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl \
+ lt_cv_sys_global_symbol_to_c_name_address \
+ sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
+ old_postinstall_cmds old_postuninstall_cmds \
+ compiler_GCJ \
+ CC_GCJ \
+ LD_GCJ \
+ lt_prog_compiler_wl_GCJ \
+ lt_prog_compiler_pic_GCJ \
+ lt_prog_compiler_static_GCJ \
+ lt_prog_compiler_no_builtin_flag_GCJ \
+ export_dynamic_flag_spec_GCJ \
+ thread_safe_flag_spec_GCJ \
+ whole_archive_flag_spec_GCJ \
+ enable_shared_with_static_runtimes_GCJ \
+ old_archive_cmds_GCJ \
+ old_archive_from_new_cmds_GCJ \
+ predep_objects_GCJ \
+ postdep_objects_GCJ \
+ predeps_GCJ \
+ postdeps_GCJ \
+ compiler_lib_search_path_GCJ \
+ compiler_lib_search_dirs_GCJ \
+ archive_cmds_GCJ \
+ archive_expsym_cmds_GCJ \
+ postinstall_cmds_GCJ \
+ postuninstall_cmds_GCJ \
+ old_archive_from_expsyms_cmds_GCJ \
+ allow_undefined_flag_GCJ \
+ no_undefined_flag_GCJ \
+ export_symbols_cmds_GCJ \
+ hardcode_libdir_flag_spec_GCJ \
+ hardcode_libdir_flag_spec_ld_GCJ \
+ hardcode_libdir_separator_GCJ \
+ hardcode_automatic_GCJ \
+ module_cmds_GCJ \
+ module_expsym_cmds_GCJ \
+ lt_cv_prog_compiler_c_o_GCJ \
+ fix_srcfile_path_GCJ \
+ exclude_expsyms_GCJ \
+ include_expsyms_GCJ; do
+
+ case $var in
+ old_archive_cmds_GCJ | \
+ old_archive_from_new_cmds_GCJ | \
+ archive_cmds_GCJ | \
+ archive_expsym_cmds_GCJ | \
+ module_cmds_GCJ | \
+ module_expsym_cmds_GCJ | \
+ old_archive_from_expsyms_cmds_GCJ | \
+ export_symbols_cmds_GCJ | \
+ extract_expsyms_cmds | reload_cmds | finish_cmds | \
+ postinstall_cmds | postuninstall_cmds | \
+ old_postinstall_cmds | old_postuninstall_cmds | \
+ sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
+ # Double-quote double-evaled strings.
+ eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
+ ;;
+ *)
+ eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
+ ;;
+ esac
+ done
+
+ case $lt_echo in
+ *'\$0 --fallback-echo"')
+ lt_echo=`$echo "X$lt_echo" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
+ ;;
+ esac
+
+cfgfile="$ofile"
+
+ cat <<__EOF__ >> "$cfgfile"
+# ### BEGIN LIBTOOL TAG CONFIG: $tagname
+
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+
+# Shell to use when invoking shell scripts.
+SHELL=$lt_SHELL
+
+# Whether or not to build shared libraries.
+build_libtool_libs=$enable_shared
+
+# Whether or not to build static libraries.
+build_old_libs=$enable_static
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc_GCJ
+
+# Whether or not to disallow shared libs when runtime libs are static
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_GCJ
+
+# Whether or not to optimize for fast installation.
+fast_install=$enable_fast_install
+
+# The host system.
+host_alias=$host_alias
+host=$host
+host_os=$host_os
+
+# The build system.
+build_alias=$build_alias
+build=$build
+build_os=$build_os
+
+# An echo program that does not interpret backslashes.
+echo=$lt_echo
+
+# The archiver.
+AR=$lt_AR
+AR_FLAGS=$lt_AR_FLAGS
+
+# A C compiler.
+LTCC=$lt_LTCC
+
+# LTCC compiler flags.
+LTCFLAGS=$lt_LTCFLAGS
+
+# A language-specific compiler.
+CC=$lt_compiler_GCJ
+
+# Is the compiler the GNU C compiler?
+with_gcc=$GCC_GCJ
+
+# An ERE matcher.
+EGREP=$lt_EGREP
+
+# The linker used to build libraries.
+LD=$lt_LD_GCJ
+
+# Whether we need hard or soft links.
+LN_S=$lt_LN_S
+
+# A BSD-compatible nm program.
+NM=$lt_NM
+
+# A symbol stripping program
+STRIP=$lt_STRIP
+
+# Used to examine libraries when file_magic_cmd begins "file"
+MAGIC_CMD=$MAGIC_CMD
+
+# Used on cygwin: DLL creation program.
+DLLTOOL="$DLLTOOL"
+
+# Used on cygwin: object dumper.
+OBJDUMP="$OBJDUMP"
+
+# Used on cygwin: assembler.
+AS="$AS"
+
+# The name of the directory that contains temporary libtool files.
+objdir=$objdir
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag
+reload_cmds=$lt_reload_cmds
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl_GCJ
+
+# Object file suffix (normally "o").
+objext="$ac_objext"
+
+# Old archive suffix (normally "a").
+libext="$libext"
+
+# Shared library suffix (normally ".so").
+shrext_cmds='$shrext_cmds'
+
+# Executable file suffix (normally "").
+exeext="$exeext"
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic_GCJ
+pic_mode=$pic_mode
+
+# What is the maximum length of a command?
+max_cmd_len=$lt_cv_sys_max_cmd_len
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o_GCJ
+
+# Must we lock files when doing compilation?
+need_locks=$lt_need_locks
+
+# Do we need the lib prefix for modules?
+need_lib_prefix=$need_lib_prefix
+
+# Do we need a version for libraries?
+need_version=$need_version
+
+# Whether dlopen is supported.
+dlopen_support=$enable_dlopen
+
+# Whether dlopen of programs is supported.
+dlopen_self=$enable_dlopen_self
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=$enable_dlopen_self_static
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static_GCJ
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_GCJ
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_GCJ
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec_GCJ
+
+# Compiler flag to generate thread-safe objects.
+thread_safe_flag_spec=$lt_thread_safe_flag_spec_GCJ
+
+# Library versioning type.
+version_type=$version_type
+
+# Format of library name prefix.
+libname_spec=$lt_libname_spec
+
+# List of archive names. First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME.
+library_names_spec=$lt_library_names_spec
+
+# The coded name of the library, if different from the real name.
+soname_spec=$lt_soname_spec
+
+# Commands used to build and install an old-style archive.
+RANLIB=$lt_RANLIB
+old_archive_cmds=$lt_old_archive_cmds_GCJ
+old_postinstall_cmds=$lt_old_postinstall_cmds
+old_postuninstall_cmds=$lt_old_postuninstall_cmds
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_GCJ
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_GCJ
+
+# Commands used to build and install a shared archive.
+archive_cmds=$lt_archive_cmds_GCJ
+archive_expsym_cmds=$lt_archive_expsym_cmds_GCJ
+postinstall_cmds=$lt_postinstall_cmds
+postuninstall_cmds=$lt_postuninstall_cmds
+
+# Commands used to build a loadable module (assumed same as above if empty)
+module_cmds=$lt_module_cmds_GCJ
+module_expsym_cmds=$lt_module_expsym_cmds_GCJ
+
+# Commands to strip libraries.
+old_striplib=$lt_old_striplib
+striplib=$lt_striplib
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predep_objects=$lt_predep_objects_GCJ
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdep_objects=$lt_postdep_objects_GCJ
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predeps=$lt_predeps_GCJ
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdeps=$lt_postdeps_GCJ
+
+# The directories searched by this compiler when creating a shared
+# library
+compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_GCJ
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=$lt_compiler_lib_search_path_GCJ
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method=$lt_deplibs_check_method
+
+# Command to use when deplibs_check_method == file_magic.
+file_magic_cmd=$lt_file_magic_cmd
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag_GCJ
+
+# Flag that forces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag_GCJ
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds=$lt_finish_cmds
+
+# Same as above, but a single script fragment to be evaled but not shown.
+finish_eval=$lt_finish_eval
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
+
+# Transform the output of nm in a proper C declaration
+global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
+
+# Transform the output of nm in a C name address pair
+global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
+
+# This is the shared library runtime path variable.
+runpath_var=$runpath_var
+
+# This is the shared library path variable.
+shlibpath_var=$shlibpath_var
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=$shlibpath_overrides_runpath
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action_GCJ
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=$hardcode_into_libs
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist.
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_GCJ
+
+# If ld is used when linking, flag to hardcode \$libdir into
+# a binary during linking. This must work even if \$libdir does
+# not exist.
+hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld_GCJ
+
+# Whether we need a single -rpath flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator_GCJ
+
+# Set to yes if using DIR/libNAME${shared_ext} during linking hardcodes DIR into the
+# resulting binary.
+hardcode_direct=$hardcode_direct_GCJ
+
+# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
+# resulting binary.
+hardcode_minus_L=$hardcode_minus_L_GCJ
+
+# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
+# the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var_GCJ
+
+# Set to yes if building a shared library automatically hardcodes DIR into the library
+# and all subsequent libraries and executables linked against it.
+hardcode_automatic=$hardcode_automatic_GCJ
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at relink time.
+variables_saved_for_relink="$variables_saved_for_relink"
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs_GCJ
+
+# Compile-time system search path for libraries
+sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
+
+# Run-time system search path for libraries
+sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+
+# Fix the shell variable \$srcfile for the compiler.
+fix_srcfile_path=$lt_fix_srcfile_path
+
+# Set to yes if exported symbols are required.
+always_export_symbols=$always_export_symbols_GCJ
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds_GCJ
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=$lt_extract_expsyms_cmds
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms_GCJ
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms_GCJ
+
+# ### END LIBTOOL TAG CONFIG: $tagname
+
+__EOF__
+
+
+else
+ # If there is no Makefile yet, we rely on a make rule to execute
+ # `config.status --recheck' to rerun these tests and create the
+ # libtool script then.
+ ltmain_in=`echo $ltmain | sed -e 's/\.sh$/.in/'`
+ if test -f "$ltmain_in"; then
+ test -f Makefile && make "$ltmain"
+ fi
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+CC="$lt_save_CC"
+
+ else
+ tagname=""
+ fi
+ ;;
+
+ RC)
+
+
+# Source file extension for RC test sources.
+ac_ext=rc
+
+# Object file extension for compiled RC test sources.
+objext=o
+objext_RC=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }'
+
+# Code to be used in simple link tests
+lt_simple_link_test_code="$lt_simple_compile_test_code"
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+
+# save warnings/boilerplate of simple test code
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$rm conftest*
+
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$rm -r conftest*
+
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+CC=${RC-"windres"}
+compiler=$CC
+compiler_RC=$CC
+for cc_temp in $compiler""; do
+ case $cc_temp in
+ compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+ distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+ \-*) ;;
+ *) break;;
+ esac
+done
+cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+
+lt_cv_prog_compiler_c_o_RC=yes
+
+# The else clause should only fire when bootstrapping the
+# libtool distribution, otherwise you forgot to ship ltmain.sh
+# with your package, and you will get complaints that there are
+# no rules to generate ltmain.sh.
+if test -f "$ltmain"; then
+ # See if we are running on zsh, and set the options which allow our commands through
+ # without removal of \ escapes.
+ if test -n "${ZSH_VERSION+set}" ; then
+ setopt NO_GLOB_SUBST
+ fi
+ # Now quote all the things that may contain metacharacters while being
+ # careful not to overquote the AC_SUBSTed values. We take copies of the
+ # variables and quote the copies for generation of the libtool script.
+ for var in echo old_CC old_CFLAGS AR AR_FLAGS EGREP RANLIB LN_S LTCC LTCFLAGS NM \
+ SED SHELL STRIP \
+ libname_spec library_names_spec soname_spec extract_expsyms_cmds \
+ old_striplib striplib file_magic_cmd finish_cmds finish_eval \
+ deplibs_check_method reload_flag reload_cmds need_locks \
+ lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl \
+ lt_cv_sys_global_symbol_to_c_name_address \
+ sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
+ old_postinstall_cmds old_postuninstall_cmds \
+ compiler_RC \
+ CC_RC \
+ LD_RC \
+ lt_prog_compiler_wl_RC \
+ lt_prog_compiler_pic_RC \
+ lt_prog_compiler_static_RC \
+ lt_prog_compiler_no_builtin_flag_RC \
+ export_dynamic_flag_spec_RC \
+ thread_safe_flag_spec_RC \
+ whole_archive_flag_spec_RC \
+ enable_shared_with_static_runtimes_RC \
+ old_archive_cmds_RC \
+ old_archive_from_new_cmds_RC \
+ predep_objects_RC \
+ postdep_objects_RC \
+ predeps_RC \
+ postdeps_RC \
+ compiler_lib_search_path_RC \
+ compiler_lib_search_dirs_RC \
+ archive_cmds_RC \
+ archive_expsym_cmds_RC \
+ postinstall_cmds_RC \
+ postuninstall_cmds_RC \
+ old_archive_from_expsyms_cmds_RC \
+ allow_undefined_flag_RC \
+ no_undefined_flag_RC \
+ export_symbols_cmds_RC \
+ hardcode_libdir_flag_spec_RC \
+ hardcode_libdir_flag_spec_ld_RC \
+ hardcode_libdir_separator_RC \
+ hardcode_automatic_RC \
+ module_cmds_RC \
+ module_expsym_cmds_RC \
+ lt_cv_prog_compiler_c_o_RC \
+ fix_srcfile_path_RC \
+ exclude_expsyms_RC \
+ include_expsyms_RC; do
+
+ case $var in
+ old_archive_cmds_RC | \
+ old_archive_from_new_cmds_RC | \
+ archive_cmds_RC | \
+ archive_expsym_cmds_RC | \
+ module_cmds_RC | \
+ module_expsym_cmds_RC | \
+ old_archive_from_expsyms_cmds_RC | \
+ export_symbols_cmds_RC | \
+ extract_expsyms_cmds | reload_cmds | finish_cmds | \
+ postinstall_cmds | postuninstall_cmds | \
+ old_postinstall_cmds | old_postuninstall_cmds | \
+ sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
+ # Double-quote double-evaled strings.
+ eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
+ ;;
+ *)
+ eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
+ ;;
+ esac
+ done
+
+ case $lt_echo in
+ *'\$0 --fallback-echo"')
+ lt_echo=`$echo "X$lt_echo" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
+ ;;
+ esac
+
+cfgfile="$ofile"
+
+ cat <<__EOF__ >> "$cfgfile"
+# ### BEGIN LIBTOOL TAG CONFIG: $tagname
+
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+
+# Shell to use when invoking shell scripts.
+SHELL=$lt_SHELL
+
+# Whether or not to build shared libraries.
+build_libtool_libs=$enable_shared
+
+# Whether or not to build static libraries.
+build_old_libs=$enable_static
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc_RC
+
+# Whether or not to disallow shared libs when runtime libs are static
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_RC
+
+# Whether or not to optimize for fast installation.
+fast_install=$enable_fast_install
+
+# The host system.
+host_alias=$host_alias
+host=$host
+host_os=$host_os
+
+# The build system.
+build_alias=$build_alias
+build=$build
+build_os=$build_os
+
+# An echo program that does not interpret backslashes.
+echo=$lt_echo
+
+# The archiver.
+AR=$lt_AR
+AR_FLAGS=$lt_AR_FLAGS
+
+# A C compiler.
+LTCC=$lt_LTCC
+
+# LTCC compiler flags.
+LTCFLAGS=$lt_LTCFLAGS
+
+# A language-specific compiler.
+CC=$lt_compiler_RC
+
+# Is the compiler the GNU C compiler?
+with_gcc=$GCC_RC
+
+# An ERE matcher.
+EGREP=$lt_EGREP
+
+# The linker used to build libraries.
+LD=$lt_LD_RC
+
+# Whether we need hard or soft links.
+LN_S=$lt_LN_S
+
+# A BSD-compatible nm program.
+NM=$lt_NM
+
+# A symbol stripping program
+STRIP=$lt_STRIP
+
+# Used to examine libraries when file_magic_cmd begins "file"
+MAGIC_CMD=$MAGIC_CMD
+
+# Used on cygwin: DLL creation program.
+DLLTOOL="$DLLTOOL"
+
+# Used on cygwin: object dumper.
+OBJDUMP="$OBJDUMP"
+
+# Used on cygwin: assembler.
+AS="$AS"
+
+# The name of the directory that contains temporary libtool files.
+objdir=$objdir
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag
+reload_cmds=$lt_reload_cmds
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl_RC
+
+# Object file suffix (normally "o").
+objext="$ac_objext"
+
+# Old archive suffix (normally "a").
+libext="$libext"
+
+# Shared library suffix (normally ".so").
+shrext_cmds='$shrext_cmds'
+
+# Executable file suffix (normally "").
+exeext="$exeext"
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic_RC
+pic_mode=$pic_mode
+
+# What is the maximum length of a command?
+max_cmd_len=$lt_cv_sys_max_cmd_len
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o_RC
+
+# Must we lock files when doing compilation?
+need_locks=$lt_need_locks
+
+# Do we need the lib prefix for modules?
+need_lib_prefix=$need_lib_prefix
+
+# Do we need a version for libraries?
+need_version=$need_version
+
+# Whether dlopen is supported.
+dlopen_support=$enable_dlopen
+
+# Whether dlopen of programs is supported.
+dlopen_self=$enable_dlopen_self
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=$enable_dlopen_self_static
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static_RC
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_RC
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_RC
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec_RC
+
+# Compiler flag to generate thread-safe objects.
+thread_safe_flag_spec=$lt_thread_safe_flag_spec_RC
+
+# Library versioning type.
+version_type=$version_type
+
+# Format of library name prefix.
+libname_spec=$lt_libname_spec
+
+# List of archive names. First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME.
+library_names_spec=$lt_library_names_spec
+
+# The coded name of the library, if different from the real name.
+soname_spec=$lt_soname_spec
+
+# Commands used to build and install an old-style archive.
+RANLIB=$lt_RANLIB
+old_archive_cmds=$lt_old_archive_cmds_RC
+old_postinstall_cmds=$lt_old_postinstall_cmds
+old_postuninstall_cmds=$lt_old_postuninstall_cmds
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_RC
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_RC
+
+# Commands used to build and install a shared archive.
+archive_cmds=$lt_archive_cmds_RC
+archive_expsym_cmds=$lt_archive_expsym_cmds_RC
+postinstall_cmds=$lt_postinstall_cmds
+postuninstall_cmds=$lt_postuninstall_cmds
+
+# Commands used to build a loadable module (assumed same as above if empty)
+module_cmds=$lt_module_cmds_RC
+module_expsym_cmds=$lt_module_expsym_cmds_RC
+
+# Commands to strip libraries.
+old_striplib=$lt_old_striplib
+striplib=$lt_striplib
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predep_objects=$lt_predep_objects_RC
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdep_objects=$lt_postdep_objects_RC
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predeps=$lt_predeps_RC
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdeps=$lt_postdeps_RC
+
+# The directories searched by this compiler when creating a shared
+# library
+compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_RC
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=$lt_compiler_lib_search_path_RC
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method=$lt_deplibs_check_method
+
+# Command to use when deplibs_check_method == file_magic.
+file_magic_cmd=$lt_file_magic_cmd
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag_RC
+
+# Flag that forces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag_RC
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds=$lt_finish_cmds
+
+# Same as above, but a single script fragment to be evaled but not shown.
+finish_eval=$lt_finish_eval
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
+
+# Transform the output of nm in a proper C declaration
+global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
+
+# Transform the output of nm in a C name address pair
+global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
+
+# This is the shared library runtime path variable.
+runpath_var=$runpath_var
+
+# This is the shared library path variable.
+shlibpath_var=$shlibpath_var
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=$shlibpath_overrides_runpath
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action_RC
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=$hardcode_into_libs
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist.
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_RC
+
+# If ld is used when linking, flag to hardcode \$libdir into
+# a binary during linking. This must work even if \$libdir does
+# not exist.
+hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld_RC
+
+# Whether we need a single -rpath flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator_RC
+
+# Set to yes if using DIR/libNAME${shared_ext} during linking hardcodes DIR into the
+# resulting binary.
+hardcode_direct=$hardcode_direct_RC
+
+# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
+# resulting binary.
+hardcode_minus_L=$hardcode_minus_L_RC
+
+# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
+# the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var_RC
+
+# Set to yes if building a shared library automatically hardcodes DIR into the library
+# and all subsequent libraries and executables linked against it.
+hardcode_automatic=$hardcode_automatic_RC
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at relink time.
+variables_saved_for_relink="$variables_saved_for_relink"
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs_RC
+
+# Compile-time system search path for libraries
+sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
+
+# Run-time system search path for libraries
+sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+
+# Fix the shell variable \$srcfile for the compiler.
+fix_srcfile_path=$lt_fix_srcfile_path
+
+# Set to yes if exported symbols are required.
+always_export_symbols=$always_export_symbols_RC
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds_RC
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=$lt_extract_expsyms_cmds
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms_RC
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms_RC
+
+# ### END LIBTOOL TAG CONFIG: $tagname
+
+__EOF__
+
+
+else
+ # If there is no Makefile yet, we rely on a make rule to execute
+ # `config.status --recheck' to rerun these tests and create the
+ # libtool script then.
+ ltmain_in=`echo $ltmain | sed -e 's/\.sh$/.in/'`
+ if test -f "$ltmain_in"; then
+ test -f Makefile && make "$ltmain"
+ fi
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+CC="$lt_save_CC"
+
+ ;;
+
+ *)
+ { { echo "$as_me:$LINENO: error: Unsupported tag name: $tagname" >&5
+echo "$as_me: error: Unsupported tag name: $tagname" >&2;}
+ { (exit 1); exit 1; }; }
+ ;;
+ esac
+
+ # Append the new tag name to the list of available tags.
+ if test -n "$tagname" ; then
+ available_tags="$available_tags $tagname"
+ fi
+ fi
+ done
+ IFS="$lt_save_ifs"
+
+ # Now substitute the updated list of available tags.
+ if eval "sed -e 's/^available_tags=.*\$/available_tags=\"$available_tags\"/' \"$ofile\" > \"${ofile}T\""; then
+ mv "${ofile}T" "$ofile"
+ chmod +x "$ofile"
+ else
+ rm -f "${ofile}T"
+ { { echo "$as_me:$LINENO: error: unable to update list of available tagged configurations." >&5
+echo "$as_me: error: unable to update list of available tagged configurations." >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+fi
+
+
+
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"
+
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+
+# Prevent multiple expansion
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+{ echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_header_stdc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_header_stdc=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+ # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "memchr" >/dev/null 2>&1; then
+ :
+else
+ ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+ # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "free" >/dev/null 2>&1; then
+ :
+else
+ ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+ # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+ if test "$cross_compiling" = yes; then
+ :
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+ (('a' <= (c) && (c) <= 'i') \
+ || ('j' <= (c) && (c) <= 'r') \
+ || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+ int i;
+ for (i = 0; i < 256; i++)
+ if (XOR (islower (i), ISLOWER (i))
+ || toupper (i) != TOUPPER (i))
+ return 2;
+ return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ :
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+echo "${ECHO_T}$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define STDC_HEADERS 1
+_ACEOF
+
+fi
+
+{ echo "$as_me:$LINENO: checking for sys/wait.h that is POSIX.1 compatible" >&5
+echo $ECHO_N "checking for sys/wait.h that is POSIX.1 compatible... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_wait_h+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <sys/types.h>
+#include <sys/wait.h>
+#ifndef WEXITSTATUS
+# define WEXITSTATUS(stat_val) ((unsigned int) (stat_val) >> 8)
+#endif
+#ifndef WIFEXITED
+# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
+#endif
+
+int
+main ()
+{
+ int s;
+ wait (&s);
+ s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_header_sys_wait_h=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_header_sys_wait_h=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_wait_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_wait_h" >&6; }
+if test $ac_cv_header_sys_wait_h = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_SYS_WAIT_H 1
+_ACEOF
+
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+for ac_header in arpa/inet.h fcntl.h malloc.h netdb.h netinet/in.h stdint.h stdlib.h string.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h unistd.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+ # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+
+ ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+{ echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5
+echo $ECHO_N "checking for an ANSI C-conforming const... $ECHO_C" >&6; }
+if test "${ac_cv_c_const+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+/* FIXME: Include the comments suggested by Paul. */
+#ifndef __cplusplus
+ /* Ultrix mips cc rejects this. */
+ typedef int charset[2];
+ const charset cs;
+ /* SunOS 4.1.1 cc rejects this. */
+ char const *const *pcpcc;
+ char **ppc;
+ /* NEC SVR4.0.2 mips cc rejects this. */
+ struct point {int x, y;};
+ static struct point const zero = {0,0};
+ /* AIX XL C 1.02.0.0 rejects this.
+ It does not let you subtract one const X* pointer from another in
+ an arm of an if-expression whose if-part is not a constant
+ expression */
+ const char *g = "string";
+ pcpcc = &g + (g ? g-g : 0);
+ /* HPUX 7.0 cc rejects these. */
+ ++pcpcc;
+ ppc = (char**) pcpcc;
+ pcpcc = (char const *const *) ppc;
+ { /* SCO 3.2v4 cc rejects this. */
+ char *t;
+ char const *s = 0 ? (char *) 0 : (char const *) 0;
+
+ *t++ = 0;
+ if (s) return 0;
+ }
+ { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */
+ int x[] = {25, 17};
+ const int *foo = &x[0];
+ ++foo;
+ }
+ { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
+ typedef const int *iptr;
+ iptr p = 0;
+ ++p;
+ }
+ { /* AIX XL C 1.02.0.0 rejects this saying
+ "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
+ struct s { int j; const int *ap[3]; };
+ struct s *b; b->j = 5;
+ }
+ { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
+ const int foo = 10;
+ if (!foo) return 0;
+ }
+ return !cs[0] && !zero.x;
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_c_const=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_c_const=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_c_const" >&5
+echo "${ECHO_T}$ac_cv_c_const" >&6; }
+if test $ac_cv_c_const = no; then
+
+cat >>confdefs.h <<\_ACEOF
+#define const
+_ACEOF
+
+fi
+
+{ echo "$as_me:$LINENO: checking for inline" >&5
+echo $ECHO_N "checking for inline... $ECHO_C" >&6; }
+if test "${ac_cv_c_inline+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_cv_c_inline=no
+for ac_kw in inline __inline__ __inline; do
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#ifndef __cplusplus
+typedef int foo_t;
+static $ac_kw foo_t static_foo () {return 0; }
+$ac_kw foo_t foo () {return 0; }
+#endif
+
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_c_inline=$ac_kw
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ test "$ac_cv_c_inline" != no && break
+done
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_c_inline" >&5
+echo "${ECHO_T}$ac_cv_c_inline" >&6; }
+
+
+case $ac_cv_c_inline in
+ inline | yes) ;;
+ *)
+ case $ac_cv_c_inline in
+ no) ac_val=;;
+ *) ac_val=$ac_cv_c_inline;;
+ esac
+ cat >>confdefs.h <<_ACEOF
+#ifndef __cplusplus
+#define inline $ac_val
+#endif
+_ACEOF
+ ;;
+esac
+
+{ echo "$as_me:$LINENO: checking for size_t" >&5
+echo $ECHO_N "checking for size_t... $ECHO_C" >&6; }
+if test "${ac_cv_type_size_t+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+typedef size_t ac__type_new_;
+int
+main ()
+{
+if ((ac__type_new_ *) 0)
+ return 0;
+if (sizeof (ac__type_new_))
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_type_size_t=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_type_size_t=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5
+echo "${ECHO_T}$ac_cv_type_size_t" >&6; }
+if test $ac_cv_type_size_t = yes; then
+ :
+else
+
+cat >>confdefs.h <<_ACEOF
+#define size_t unsigned int
+_ACEOF
+
+fi
+
+{ echo "$as_me:$LINENO: checking whether time.h and sys/time.h may both be included" >&5
+echo $ECHO_N "checking whether time.h and sys/time.h may both be included... $ECHO_C" >&6; }
+if test "${ac_cv_header_time+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <sys/types.h>
+#include <sys/time.h>
+#include <time.h>
+
+int
+main ()
+{
+if ((struct tm *) 0)
+return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_header_time=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_header_time=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_time" >&5
+echo "${ECHO_T}$ac_cv_header_time" >&6; }
+if test $ac_cv_header_time = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define TIME_WITH_SYS_TIME 1
+_ACEOF
+
+fi
+
+{ echo "$as_me:$LINENO: checking whether struct tm is in sys/time.h or time.h" >&5
+echo $ECHO_N "checking whether struct tm is in sys/time.h or time.h... $ECHO_C" >&6; }
+if test "${ac_cv_struct_tm+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <sys/types.h>
+#include <time.h>
+
+int
+main ()
+{
+struct tm tm;
+ int *p = &tm.tm_sec;
+ return !p;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_struct_tm=time.h
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_struct_tm=sys/time.h
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_struct_tm" >&5
+echo "${ECHO_T}$ac_cv_struct_tm" >&6; }
+if test $ac_cv_struct_tm = sys/time.h; then
+
+cat >>confdefs.h <<\_ACEOF
+#define TM_IN_SYS_TIME 1
+_ACEOF
+
+fi
+
+{ echo "$as_me:$LINENO: checking for working volatile" >&5
+echo $ECHO_N "checking for working volatile... $ECHO_C" >&6; }
+if test "${ac_cv_c_volatile+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+volatile int x;
+int * volatile y = (int *) 0;
+return !x && !y;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_c_volatile=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_c_volatile=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_c_volatile" >&5
+echo "${ECHO_T}$ac_cv_c_volatile" >&6; }
+if test $ac_cv_c_volatile = no; then
+
+cat >>confdefs.h <<\_ACEOF
+#define volatile
+_ACEOF
+
+fi
+
+
+# Checks for library functions.
+
+for ac_header in stdlib.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+ # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+
+ ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+{ echo "$as_me:$LINENO: checking for GNU libc compatible malloc" >&5
+echo $ECHO_N "checking for GNU libc compatible malloc... $ECHO_C" >&6; }
+if test "${ac_cv_func_malloc_0_nonnull+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test "$cross_compiling" = yes; then
+ ac_cv_func_malloc_0_nonnull=no
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#if defined STDC_HEADERS || defined HAVE_STDLIB_H
+# include <stdlib.h>
+#else
+char *malloc ();
+#endif
+
+int
+main ()
+{
+return ! malloc (0);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_func_malloc_0_nonnull=yes
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_func_malloc_0_nonnull=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_malloc_0_nonnull" >&5
+echo "${ECHO_T}$ac_cv_func_malloc_0_nonnull" >&6; }
+if test $ac_cv_func_malloc_0_nonnull = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_MALLOC 1
+_ACEOF
+
+else
+ cat >>confdefs.h <<\_ACEOF
+#define HAVE_MALLOC 0
+_ACEOF
+
+ case " $LIBOBJS " in
+ *" malloc.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS malloc.$ac_objext"
+ ;;
+esac
+
+
+cat >>confdefs.h <<\_ACEOF
+#define malloc rpl_malloc
+_ACEOF
+
+fi
+
+
+
+{ echo "$as_me:$LINENO: checking for working memcmp" >&5
+echo $ECHO_N "checking for working memcmp... $ECHO_C" >&6; }
+if test "${ac_cv_func_memcmp_working+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test "$cross_compiling" = yes; then
+ ac_cv_func_memcmp_working=no
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+
+ /* Some versions of memcmp are not 8-bit clean. */
+ char c0 = '\100', c1 = '\200', c2 = '\201';
+ if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0)
+ return 1;
+
+ /* The Next x86 OpenStep bug shows up only when comparing 16 bytes
+ or more and with at least one buffer not starting on a 4-byte boundary.
+ William Lewis provided this test program. */
+ {
+ char foo[21];
+ char bar[21];
+ int i;
+ for (i = 0; i < 4; i++)
+ {
+ char *a = foo + i;
+ char *b = bar + i;
+ strcpy (a, "--------01111111");
+ strcpy (b, "--------10000000");
+ if (memcmp (a, b, 16) >= 0)
+ return 1;
+ }
+ return 0;
+ }
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_func_memcmp_working=yes
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_func_memcmp_working=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_memcmp_working" >&5
+echo "${ECHO_T}$ac_cv_func_memcmp_working" >&6; }
+test $ac_cv_func_memcmp_working = no && case " $LIBOBJS " in
+ *" memcmp.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS memcmp.$ac_objext"
+ ;;
+esac
+
+
+
+for ac_header in stdlib.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+ # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+
+ ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+{ echo "$as_me:$LINENO: checking for GNU libc compatible realloc" >&5
+echo $ECHO_N "checking for GNU libc compatible realloc... $ECHO_C" >&6; }
+if test "${ac_cv_func_realloc_0_nonnull+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test "$cross_compiling" = yes; then
+ ac_cv_func_realloc_0_nonnull=no
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#if defined STDC_HEADERS || defined HAVE_STDLIB_H
+# include <stdlib.h>
+#else
+char *realloc ();
+#endif
+
+int
+main ()
+{
+return ! realloc (0, 0);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_func_realloc_0_nonnull=yes
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_func_realloc_0_nonnull=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_realloc_0_nonnull" >&5
+echo "${ECHO_T}$ac_cv_func_realloc_0_nonnull" >&6; }
+if test $ac_cv_func_realloc_0_nonnull = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_REALLOC 1
+_ACEOF
+
+else
+ cat >>confdefs.h <<\_ACEOF
+#define HAVE_REALLOC 0
+_ACEOF
+
+ case " $LIBOBJS " in
+ *" realloc.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS realloc.$ac_objext"
+ ;;
+esac
+
+
+cat >>confdefs.h <<\_ACEOF
+#define realloc rpl_realloc
+_ACEOF
+
+fi
+
+
+
+
+
+for ac_header in sys/select.h sys/socket.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+ # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+
+ ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+{ echo "$as_me:$LINENO: checking types of arguments for select" >&5
+echo $ECHO_N "checking types of arguments for select... $ECHO_C" >&6; }
+if test "${ac_cv_func_select_args+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ for ac_arg234 in 'fd_set *' 'int *' 'void *'; do
+ for ac_arg1 in 'int' 'size_t' 'unsigned long int' 'unsigned int'; do
+ for ac_arg5 in 'struct timeval *' 'const struct timeval *'; do
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+
+int
+main ()
+{
+extern int select ($ac_arg1,
+ $ac_arg234, $ac_arg234, $ac_arg234,
+ $ac_arg5);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_func_select_args="$ac_arg1,$ac_arg234,$ac_arg5"; break 3
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ done
+ done
+done
+# Provide a safe default value.
+: ${ac_cv_func_select_args='int,int *,struct timeval *'}
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_select_args" >&5
+echo "${ECHO_T}$ac_cv_func_select_args" >&6; }
+ac_save_IFS=$IFS; IFS=','
+set dummy `echo "$ac_cv_func_select_args" | sed 's/\*/\*/g'`
+IFS=$ac_save_IFS
+shift
+
+cat >>confdefs.h <<_ACEOF
+#define SELECT_TYPE_ARG1 $1
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define SELECT_TYPE_ARG234 ($2)
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define SELECT_TYPE_ARG5 ($3)
+_ACEOF
+
+rm -f conftest*
+
+{ echo "$as_me:$LINENO: checking for function prototypes" >&5
+echo $ECHO_N "checking for function prototypes... $ECHO_C" >&6; }
+if test "$ac_cv_prog_cc_c89" != no; then
+ { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define PROTOTYPES 1
+_ACEOF
+
+
+cat >>confdefs.h <<\_ACEOF
+#define __PROTOTYPES 1
+_ACEOF
+
+else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
+{ echo "$as_me:$LINENO: checking whether setvbuf arguments are reversed" >&5
+echo $ECHO_N "checking whether setvbuf arguments are reversed... $ECHO_C" >&6; }
+if test "${ac_cv_func_setvbuf_reversed+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_cv_func_setvbuf_reversed=no
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdio.h>
+# ifdef PROTOTYPES
+ int (setvbuf) (FILE *, int, char *, size_t);
+# endif
+int
+main ()
+{
+char buf; return setvbuf (stdout, _IOLBF, &buf, 1);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdio.h>
+# ifdef PROTOTYPES
+ int (setvbuf) (FILE *, int, char *, size_t);
+# endif
+int
+main ()
+{
+char buf; return setvbuf (stdout, &buf, _IOLBF, 1);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ # It compiles and links either way, so it must not be declared
+ # with a prototype and most likely this is a K&R C compiler.
+ # Try running it.
+ if test "$cross_compiling" = yes; then
+ : # Assume setvbuf is not reversed when cross-compiling.
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+/* This call has the arguments reversed.
+ A reversed system may check and see that the address of buf
+ is not _IOLBF, _IONBF, or _IOFBF, and return nonzero. */
+ char buf;
+ if (setvbuf (stdout, _IOLBF, &buf, 1) != 0)
+ return 1;
+ putchar ('\r');
+ return 0; /* Non-reversed systems SEGV here. */
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_func_setvbuf_reversed=yes
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+ ac_cv_func_setvbuf_reversed=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_setvbuf_reversed" >&5
+echo "${ECHO_T}$ac_cv_func_setvbuf_reversed" >&6; }
+if test $ac_cv_func_setvbuf_reversed = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define SETVBUF_REVERSED 1
+_ACEOF
+
+fi
+
+
+for ac_func in vprintf
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char $ac_func (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ eval "$as_ac_var=yes"
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ eval "$as_ac_var=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_var'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+{ echo "$as_me:$LINENO: checking for _doprnt" >&5
+echo $ECHO_N "checking for _doprnt... $ECHO_C" >&6; }
+if test "${ac_cv_func__doprnt+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define _doprnt to an innocuous variant, in case <limits.h> declares _doprnt.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define _doprnt innocuous__doprnt
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char _doprnt (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef _doprnt
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char _doprnt ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub__doprnt || defined __stub____doprnt
+choke me
+#endif
+
+int
+main ()
+{
+return _doprnt ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ ac_cv_func__doprnt=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_func__doprnt=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func__doprnt" >&5
+echo "${ECHO_T}$ac_cv_func__doprnt" >&6; }
+if test $ac_cv_func__doprnt = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_DOPRNT 1
+_ACEOF
+
+fi
+
+fi
+done
+
+
+
+
+
+
+
+
+
+
+
+
+
+for ac_func in bzero gethostbyname gettimeofday memmove memset select socket strchr strerror strtol strtoul
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char $ac_func (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ eval "$as_ac_var=yes"
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ eval "$as_ac_var=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_var'}'`
+ { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
+ac_config_files="$ac_config_files lksctp-tools.spec Makefile bin/Makefile man/Makefile src/Makefile src/apps/Makefile src/func_tests/Makefile src/include/Makefile src/include/netinet/Makefile src/lib/Makefile src/testlib/Makefile src/withsctp/Makefile doc/Makefile"
+
+cat >confcache <<\_ACEOF
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs, see configure's option --config-cache.
+# It is not useful on other systems. If it contains results you don't
+# want to keep, you may remove or edit it.
+#
+# config.status only pays attention to the cache file if you give it
+# the --recheck option to rerun configure.
+#
+# `ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# following values.
+
+_ACEOF
+
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, we kill variables containing newlines.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
+(
+ for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
+ eval ac_val=\$$ac_var
+ case $ac_val in #(
+ *${as_nl}*)
+ case $ac_var in #(
+ *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
+ esac
+ case $ac_var in #(
+ _ | IFS | as_nl) ;; #(
+ *) $as_unset $ac_var ;;
+ esac ;;
+ esac
+ done
+
+ (set) 2>&1 |
+ case $as_nl`(ac_space=' '; set) 2>&1` in #(
+ *${as_nl}ac_space=\ *)
+ # `set' does not quote correctly, so add quotes (double-quote
+ # substitution turns \\\\ into \\, and sed turns \\ into \).
+ sed -n \
+ "s/'/'\\\\''/g;
+ s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
+ ;; #(
+ *)
+ # `set' quotes correctly as required by POSIX, so do not add quotes.
+ sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+ ;;
+ esac |
+ sort
+) |
+ sed '
+ /^ac_cv_env_/b end
+ t clear
+ :clear
+ s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
+ t end
+ s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+ :end' >>confcache
+if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
+ if test -w "$cache_file"; then
+ test "x$cache_file" != "x/dev/null" &&
+ { echo "$as_me:$LINENO: updating cache $cache_file" >&5
+echo "$as_me: updating cache $cache_file" >&6;}
+ cat confcache >$cache_file
+ else
+ { echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5
+echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+ fi
+fi
+rm -f confcache
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+# Let make expand exec_prefix.
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+DEFS=-DHAVE_CONFIG_H
+
+ac_libobjs=
+ac_ltlibobjs=
+for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
+ # 1. Remove the extension, and $U if already installed.
+ ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
+ ac_i=`echo "$ac_i" | sed "$ac_script"`
+ # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR
+ # will be set to the directory where LIBOBJS objects are built.
+ ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+ ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
+done
+LIBOBJS=$ac_libobjs
+
+LTLIBOBJS=$ac_ltlibobjs
+
+
+if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
+ { { echo "$as_me:$LINENO: error: conditional \"AMDEP\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+echo "$as_me: error: conditional \"AMDEP\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
+ { { echo "$as_me:$LINENO: error: conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+echo "$as_me: error: conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+if test -z "${am__fastdepCXX_TRUE}" && test -z "${am__fastdepCXX_FALSE}"; then
+ { { echo "$as_me:$LINENO: error: conditional \"am__fastdepCXX\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+echo "$as_me: error: conditional \"am__fastdepCXX\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+: ${CONFIG_STATUS=./config.status}
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files $CONFIG_STATUS"
+{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
+echo "$as_me: creating $CONFIG_STATUS" >&6;}
+cat >$CONFIG_STATUS <<_ACEOF
+#! $SHELL
+# Generated by $as_me.
+# Run this file to recreate the current configuration.
+# Compiler output produced by configure, useful for debugging
+# configure, is in config.log if it exists.
+
+debug=false
+ac_cs_recheck=false
+ac_cs_silent=false
+SHELL=\${CONFIG_SHELL-$SHELL}
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+## --------------------- ##
+## M4sh Initialization. ##
+## --------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '${1+"$@"}'='"$@"'
+ setopt NO_GLOB_SUBST
+else
+ case `(set -o) 2>/dev/null` in
+ *posix*) set -o posix ;;
+esac
+
+fi
+
+
+
+
+# PATH needs CR
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+ echo "#! /bin/sh" >conf$$.sh
+ echo "exit 0" >>conf$$.sh
+ chmod +x conf$$.sh
+ if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+ PATH_SEPARATOR=';'
+ else
+ PATH_SEPARATOR=:
+ fi
+ rm -f conf$$.sh
+fi
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+ as_unset=unset
+else
+ as_unset=false
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order. Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+as_nl='
+'
+IFS=" "" $as_nl"
+
+# Find who we are. Look in the path if we contain no directory separator.
+case $0 in
+ *[\\/]* ) as_myself=$0 ;;
+ *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
+IFS=$as_save_IFS
+
+ ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+ as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+ echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+ { (exit 1); exit 1; }
+fi
+
+# Work around bugs in pre-3.0 UWIN ksh.
+for as_var in ENV MAIL MAILPATH
+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+for as_var in \
+ LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
+ LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
+ LC_TELEPHONE LC_TIME
+do
+ if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
+ eval $as_var=C; export $as_var
+ else
+ ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+ fi
+done
+
+# Required to use basename.
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+ test "X`expr 00001 : '.*\(...\)'`" = X001; then
+ as_expr=expr
+else
+ as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+ as_basename=basename
+else
+ as_basename=false
+fi
+
+
+# Name of the executable.
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+ X"$0" : 'X\(//\)$' \| \
+ X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+echo X/"$0" |
+ sed '/^.*\/\([^/][^/]*\)\/*$/{
+ s//\1/
+ q
+ }
+ /^X\/\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\/\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+
+# CDPATH.
+$as_unset CDPATH
+
+
+
+ as_lineno_1=$LINENO
+ as_lineno_2=$LINENO
+ test "x$as_lineno_1" != "x$as_lineno_2" &&
+ test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+
+ # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+ # uniformly replaced by the line number. The first 'sed' inserts a
+ # line-number line after each line using $LINENO; the second 'sed'
+ # does the real work. The second script uses 'N' to pair each
+ # line-number line with the line containing $LINENO, and appends
+ # trailing '-' during substitution so that $LINENO is not a special
+ # case at line end.
+ # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+ # scripts with optimization help from Paolo Bonzini. Blame Lee
+ # E. McMahon (1931-1989) for sed's syntax. :-)
+ sed -n '
+ p
+ /[$]LINENO/=
+ ' <$as_myself |
+ sed '
+ s/[$]LINENO.*/&-/
+ t lineno
+ b
+ :lineno
+ N
+ :loop
+ s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+ t loop
+ s/-\n.*//
+ ' >$as_me.lineno &&
+ chmod +x "$as_me.lineno" ||
+ { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+ { (exit 1); exit 1; }; }
+
+ # Don't try to exec as it changes $[0], causing all sort of problems
+ # (the dirname of $[0] is not the place where we might find the
+ # original and so on. Autoconf is especially sensitive to this).
+ . "./$as_me.lineno"
+ # Exit status is that of the last command.
+ exit
+}
+
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+ as_dirname=dirname
+else
+ as_dirname=false
+fi
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in
+-n*)
+ case `echo 'x\c'` in
+ *c*) ECHO_T=' ';; # ECHO_T is single tab character.
+ *) ECHO_C='\c';;
+ esac;;
+*)
+ ECHO_N='-n';;
+esac
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+ test "X`expr 00001 : '.*\(...\)'`" = X001; then
+ as_expr=expr
+else
+ as_expr=false
+fi
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+ rm -f conf$$.dir/conf$$.file
+else
+ rm -f conf$$.dir
+ mkdir conf$$.dir
+fi
+echo >conf$$.file
+if ln -s conf$$.file conf$$ 2>/dev/null; then
+ as_ln_s='ln -s'
+ # ... but there are two gotchas:
+ # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+ # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+ # In both cases, we have to default to `cp -p'.
+ ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+ as_ln_s='cp -p'
+elif ln conf$$.file conf$$ 2>/dev/null; then
+ as_ln_s=ln
+else
+ as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+if mkdir -p . 2>/dev/null; then
+ as_mkdir_p=:
+else
+ test -d ./-p && rmdir ./-p
+ as_mkdir_p=false
+fi
+
+if test -x / >/dev/null 2>&1; then
+ as_test_x='test -x'
+else
+ if ls -dL / >/dev/null 2>&1; then
+ as_ls_L_option=L
+ else
+ as_ls_L_option=
+ fi
+ as_test_x='
+ eval sh -c '\''
+ if test -d "$1"; then
+ test -d "$1/.";
+ else
+ case $1 in
+ -*)set "./$1";;
+ esac;
+ case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
+ ???[sx]*):;;*)false;;esac;fi
+ '\'' sh
+ '
+fi
+as_executable_p=$as_test_x
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+exec 6>&1
+
+# Save the log message, to keep $[0] and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling.
+ac_log="
+This file was extended by $as_me, which was
+generated by GNU Autoconf 2.61. Invocation command line was
+
+ CONFIG_FILES = $CONFIG_FILES
+ CONFIG_HEADERS = $CONFIG_HEADERS
+ CONFIG_LINKS = $CONFIG_LINKS
+ CONFIG_COMMANDS = $CONFIG_COMMANDS
+ $ $0 $@
+
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
+"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<_ACEOF
+# Files that config.status was made for.
+config_files="$ac_config_files"
+config_headers="$ac_config_headers"
+config_commands="$ac_config_commands"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+ac_cs_usage="\
+\`$as_me' instantiates files from templates according to the
+current configuration.
+
+Usage: $0 [OPTIONS] [FILE]...
+
+ -h, --help print this help, then exit
+ -V, --version print version number and configuration settings, then exit
+ -q, --quiet do not print progress messages
+ -d, --debug don't remove temporary files
+ --recheck update $as_me by reconfiguring in the same conditions
+ --file=FILE[:TEMPLATE]
+ instantiate the configuration file FILE
+ --header=FILE[:TEMPLATE]
+ instantiate the configuration header FILE
+
+Configuration files:
+$config_files
+
+Configuration headers:
+$config_headers
+
+Configuration commands:
+$config_commands
+
+Report bugs to <bug-autoconf@gnu.org>."
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
+ac_cs_version="\\
+config.status
+configured by $0, generated by GNU Autoconf 2.61,
+ with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
+
+Copyright (C) 2006 Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+
+ac_pwd='$ac_pwd'
+srcdir='$srcdir'
+INSTALL='$INSTALL'
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+# If no file are specified by the user, then we need to provide default
+# value. By we need to know if files were specified by the user.
+ac_need_defaults=:
+while test $# != 0
+do
+ case $1 in
+ --*=*)
+ ac_option=`expr "X$1" : 'X\([^=]*\)='`
+ ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
+ ac_shift=:
+ ;;
+ *)
+ ac_option=$1
+ ac_optarg=$2
+ ac_shift=shift
+ ;;
+ esac
+
+ case $ac_option in
+ # Handling of the options.
+ -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+ ac_cs_recheck=: ;;
+ --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
+ echo "$ac_cs_version"; exit ;;
+ --debug | --debu | --deb | --de | --d | -d )
+ debug=: ;;
+ --file | --fil | --fi | --f )
+ $ac_shift
+ CONFIG_FILES="$CONFIG_FILES $ac_optarg"
+ ac_need_defaults=false;;
+ --header | --heade | --head | --hea )
+ $ac_shift
+ CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg"
+ ac_need_defaults=false;;
+ --he | --h)
+ # Conflict between --help and --header
+ { echo "$as_me: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&2
+ { (exit 1); exit 1; }; };;
+ --help | --hel | -h )
+ echo "$ac_cs_usage"; exit ;;
+ -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+ | -silent | --silent | --silen | --sile | --sil | --si | --s)
+ ac_cs_silent=: ;;
+
+ # This is an error.
+ -*) { echo "$as_me: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&2
+ { (exit 1); exit 1; }; } ;;
+
+ *) ac_config_targets="$ac_config_targets $1"
+ ac_need_defaults=false ;;
+
+ esac
+ shift
+done
+
+ac_configure_extra_args=
+
+if $ac_cs_silent; then
+ exec 6>/dev/null
+ ac_configure_extra_args="$ac_configure_extra_args --silent"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
+if \$ac_cs_recheck; then
+ echo "running CONFIG_SHELL=$SHELL $SHELL $0 "$ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6
+ CONFIG_SHELL=$SHELL
+ export CONFIG_SHELL
+ exec $SHELL "$0"$ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
+exec 5>>config.log
+{
+ echo
+ sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+ echo "$ac_log"
+} >&5
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
+#
+# INIT-COMMANDS
+#
+AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+
+# Handling of arguments.
+for ac_config_target in $ac_config_targets
+do
+ case $ac_config_target in
+ "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
+ "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
+ "lksctp-tools.spec") CONFIG_FILES="$CONFIG_FILES lksctp-tools.spec" ;;
+ "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+ "bin/Makefile") CONFIG_FILES="$CONFIG_FILES bin/Makefile" ;;
+ "man/Makefile") CONFIG_FILES="$CONFIG_FILES man/Makefile" ;;
+ "src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
+ "src/apps/Makefile") CONFIG_FILES="$CONFIG_FILES src/apps/Makefile" ;;
+ "src/func_tests/Makefile") CONFIG_FILES="$CONFIG_FILES src/func_tests/Makefile" ;;
+ "src/include/Makefile") CONFIG_FILES="$CONFIG_FILES src/include/Makefile" ;;
+ "src/include/netinet/Makefile") CONFIG_FILES="$CONFIG_FILES src/include/netinet/Makefile" ;;
+ "src/lib/Makefile") CONFIG_FILES="$CONFIG_FILES src/lib/Makefile" ;;
+ "src/testlib/Makefile") CONFIG_FILES="$CONFIG_FILES src/testlib/Makefile" ;;
+ "src/withsctp/Makefile") CONFIG_FILES="$CONFIG_FILES src/withsctp/Makefile" ;;
+ "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
+
+ *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
+echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
+ { (exit 1); exit 1; }; };;
+ esac
+done
+
+
+# If the user did not use the arguments to specify the items to instantiate,
+# then the envvar interface is used. Set only those that are not.
+# We use the long form for the default assignment because of an extremely
+# bizarre bug on SunOS 4.1.3.
+if $ac_need_defaults; then
+ test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+ test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
+ test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
+fi
+
+# Have a temporary directory for convenience. Make it in the build tree
+# simply because there is no reason against having it here, and in addition,
+# creating and moving files from /tmp can sometimes cause problems.
+# Hook for its removal unless debugging.
+# Note that there is a small window in which the directory will not be cleaned:
+# after its creation but before its name has been assigned to `$tmp'.
+$debug ||
+{
+ tmp=
+ trap 'exit_status=$?
+ { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+' 0
+ trap '{ (exit 1); exit 1; }' 1 2 13 15
+}
+# Create a (secure) tmp directory for tmp files.
+
+{
+ tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
+ test -n "$tmp" && test -d "$tmp"
+} ||
+{
+ tmp=./conf$$-$RANDOM
+ (umask 077 && mkdir "$tmp")
+} ||
+{
+ echo "$me: cannot create a temporary directory in ." >&2
+ { (exit 1); exit 1; }
+}
+
+#
+# Set up the sed scripts for CONFIG_FILES section.
+#
+
+# No need to generate the scripts if there are no CONFIG_FILES.
+# This happens for instance when ./config.status config.h
+if test -n "$CONFIG_FILES"; then
+
+_ACEOF
+
+
+
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+ cat >conf$$subs.sed <<_ACEOF
+SHELL!$SHELL$ac_delim
+PATH_SEPARATOR!$PATH_SEPARATOR$ac_delim
+PACKAGE_NAME!$PACKAGE_NAME$ac_delim
+PACKAGE_TARNAME!$PACKAGE_TARNAME$ac_delim
+PACKAGE_VERSION!$PACKAGE_VERSION$ac_delim
+PACKAGE_STRING!$PACKAGE_STRING$ac_delim
+PACKAGE_BUGREPORT!$PACKAGE_BUGREPORT$ac_delim
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+bindir!$bindir$ac_delim
+sbindir!$sbindir$ac_delim
+libexecdir!$libexecdir$ac_delim
+datarootdir!$datarootdir$ac_delim
+datadir!$datadir$ac_delim
+sysconfdir!$sysconfdir$ac_delim
+sharedstatedir!$sharedstatedir$ac_delim
+localstatedir!$localstatedir$ac_delim
+includedir!$includedir$ac_delim
+oldincludedir!$oldincludedir$ac_delim
+docdir!$docdir$ac_delim
+infodir!$infodir$ac_delim
+htmldir!$htmldir$ac_delim
+dvidir!$dvidir$ac_delim
+pdfdir!$pdfdir$ac_delim
+psdir!$psdir$ac_delim
+libdir!$libdir$ac_delim
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+STRIP!$STRIP$ac_delim
+INSTALL_STRIP_PROGRAM!$INSTALL_STRIP_PROGRAM$ac_delim
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+AMTAR!$AMTAR$ac_delim
+am__tar!$am__tar$ac_delim
+am__untar!$am__untar$ac_delim
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+host!$host$ac_delim
+host_cpu!$host_cpu$ac_delim
+host_vendor!$host_vendor$ac_delim
+host_os!$host_os$ac_delim
+SED!$SED$ac_delim
+GREP!$GREP$ac_delim
+EGREP!$EGREP$ac_delim
+ECHO!$ECHO$ac_delim
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+DSYMUTIL!$DSYMUTIL$ac_delim
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+CPP!$CPP$ac_delim
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+ac_ct_CXX!$ac_ct_CXX$ac_delim
+CXXDEPMODE!$CXXDEPMODE$ac_delim
+am__fastdepCXX_TRUE!$am__fastdepCXX_TRUE$ac_delim
+_ACEOF
+
+ if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
+ break
+ elif $ac_last_try; then
+ { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+ { (exit 1); exit 1; }; }
+ else
+ ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+ fi
+done
+
+ac_eof=`sed -n '/^CEOF[0-9]*$/s/CEOF/0/p' conf$$subs.sed`
+if test -n "$ac_eof"; then
+ ac_eof=`echo "$ac_eof" | sort -nru | sed 1q`
+ ac_eof=`expr $ac_eof + 1`
+fi
+
+cat >>$CONFIG_STATUS <<_ACEOF
+cat >"\$tmp/subs-1.sed" <<\CEOF$ac_eof
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+_ACEOF
+sed '
+s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g
+s/^/s,@/; s/!/@,|#_!!_#|/
+:n
+t n
+s/'"$ac_delim"'$/,g/; t
+s/$/\\/; p
+N; s/^.*\n//; s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g; b n
+' >>$CONFIG_STATUS <conf$$subs.sed
+rm -f conf$$subs.sed
+cat >>$CONFIG_STATUS <<_ACEOF
+CEOF$ac_eof
+_ACEOF
+
+
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+ cat >conf$$subs.sed <<_ACEOF
+am__fastdepCXX_FALSE!$am__fastdepCXX_FALSE$ac_delim
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+F77!$F77$ac_delim
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+LIBTOOL_DEPS!$LIBTOOL_DEPS$ac_delim
+LIBOBJS!$LIBOBJS$ac_delim
+LTLIBOBJS!$LTLIBOBJS$ac_delim
+_ACEOF
+
+ if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 9; then
+ break
+ elif $ac_last_try; then
+ { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+ { (exit 1); exit 1; }; }
+ else
+ ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+ fi
+done
+
+ac_eof=`sed -n '/^CEOF[0-9]*$/s/CEOF/0/p' conf$$subs.sed`
+if test -n "$ac_eof"; then
+ ac_eof=`echo "$ac_eof" | sort -nru | sed 1q`
+ ac_eof=`expr $ac_eof + 1`
+fi
+
+cat >>$CONFIG_STATUS <<_ACEOF
+cat >"\$tmp/subs-2.sed" <<\CEOF$ac_eof
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b end
+_ACEOF
+sed '
+s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g
+s/^/s,@/; s/!/@,|#_!!_#|/
+:n
+t n
+s/'"$ac_delim"'$/,g/; t
+s/$/\\/; p
+N; s/^.*\n//; s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g; b n
+' >>$CONFIG_STATUS <conf$$subs.sed
+rm -f conf$$subs.sed
+cat >>$CONFIG_STATUS <<_ACEOF
+:end
+s/|#_!!_#|//g
+CEOF$ac_eof
+_ACEOF
+
+
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
+if test "x$srcdir" = x.; then
+ ac_vpsub='/^[ ]*VPATH[ ]*=/{
+s/:*\$(srcdir):*/:/
+s/:*\${srcdir}:*/:/
+s/:*@srcdir@:*/:/
+s/^\([^=]*=[ ]*\):*/\1/
+s/:*$//
+s/^[^=]*=[ ]*$//
+}'
+fi
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+fi # test -n "$CONFIG_FILES"
+
+
+for ac_tag in :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS
+do
+ case $ac_tag in
+ :[FHLC]) ac_mode=$ac_tag; continue;;
+ esac
+ case $ac_mode$ac_tag in
+ :[FHL]*:*);;
+ :L* | :C*:*) { { echo "$as_me:$LINENO: error: Invalid tag $ac_tag." >&5
+echo "$as_me: error: Invalid tag $ac_tag." >&2;}
+ { (exit 1); exit 1; }; };;
+ :[FH]-) ac_tag=-:-;;
+ :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
+ esac
+ ac_save_IFS=$IFS
+ IFS=:
+ set x $ac_tag
+ IFS=$ac_save_IFS
+ shift
+ ac_file=$1
+ shift
+
+ case $ac_mode in
+ :L) ac_source=$1;;
+ :[FH])
+ ac_file_inputs=
+ for ac_f
+ do
+ case $ac_f in
+ -) ac_f="$tmp/stdin";;
+ *) # Look for the file first in the build tree, then in the source tree
+ # (if the path is not absolute). The absolute path cannot be DOS-style,
+ # because $ac_f cannot contain `:'.
+ test -f "$ac_f" ||
+ case $ac_f in
+ [\\/$]*) false;;
+ *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
+ esac ||
+ { { echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5
+echo "$as_me: error: cannot find input file: $ac_f" >&2;}
+ { (exit 1); exit 1; }; };;
+ esac
+ ac_file_inputs="$ac_file_inputs $ac_f"
+ done
+
+ # Let's still pretend it is `configure' which instantiates (i.e., don't
+ # use $as_me), people would be surprised to read:
+ # /* config.h. Generated by config.status. */
+ configure_input="Generated from "`IFS=:
+ echo $* | sed 's|^[^:]*/||;s|:[^:]*/|, |g'`" by configure."
+ if test x"$ac_file" != x-; then
+ configure_input="$ac_file. $configure_input"
+ { echo "$as_me:$LINENO: creating $ac_file" >&5
+echo "$as_me: creating $ac_file" >&6;}
+ fi
+
+ case $ac_tag in
+ *:-:* | *:-) cat >"$tmp/stdin";;
+ esac
+ ;;
+ esac
+
+ ac_dir=`$as_dirname -- "$ac_file" ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$ac_file" : 'X\(//\)[^/]' \| \
+ X"$ac_file" : 'X\(//\)$' \| \
+ X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
+echo X"$ac_file" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+ { as_dir="$ac_dir"
+ case $as_dir in #(
+ -*) as_dir=./$as_dir;;
+ esac
+ test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
+ as_dirs=
+ while :; do
+ case $as_dir in #(
+ *\'*) as_qdir=`echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #(
+ *) as_qdir=$as_dir;;
+ esac
+ as_dirs="'$as_qdir' $as_dirs"
+ as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+ test -d "$as_dir" && break
+ done
+ test -z "$as_dirs" || eval "mkdir $as_dirs"
+ } || test -d "$as_dir" || { { echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
+echo "$as_me: error: cannot create directory $as_dir" >&2;}
+ { (exit 1); exit 1; }; }; }
+ ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+ ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
+ # A ".." for each directory in $ac_dir_suffix.
+ ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'`
+ case $ac_top_builddir_sub in
+ "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+ *) ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+ esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+ .) # We are building in place.
+ ac_srcdir=.
+ ac_top_srcdir=$ac_top_builddir_sub
+ ac_abs_top_srcdir=$ac_pwd ;;
+ [\\/]* | ?:[\\/]* ) # Absolute name.
+ ac_srcdir=$srcdir$ac_dir_suffix;
+ ac_top_srcdir=$srcdir
+ ac_abs_top_srcdir=$srcdir ;;
+ *) # Relative name.
+ ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+ ac_top_srcdir=$ac_top_build_prefix$srcdir
+ ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+
+ case $ac_mode in
+ :F)
+ #
+ # CONFIG_FILE
+ #
+
+ case $INSTALL in
+ [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
+ *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
+ esac
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+# If the template does not know about datarootdir, expand it.
+# FIXME: This hack should be removed a few years after 2.60.
+ac_datarootdir_hack=; ac_datarootdir_seen=
+
+case `sed -n '/datarootdir/ {
+ p
+ q
+}
+/@datadir@/p
+/@docdir@/p
+/@infodir@/p
+/@localedir@/p
+/@mandir@/p
+' $ac_file_inputs` in
+*datarootdir*) ac_datarootdir_seen=yes;;
+*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
+ { echo "$as_me:$LINENO: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
+ ac_datarootdir_hack='
+ s&@datadir@&$datadir&g
+ s&@docdir@&$docdir&g
+ s&@infodir@&$infodir&g
+ s&@localedir@&$localedir&g
+ s&@mandir@&$mandir&g
+ s&\\\${datarootdir}&$datarootdir&g' ;;
+esac
+_ACEOF
+
+# Neutralize VPATH when `$srcdir' = `.'.
+# Shell code in configure.ac might set extrasub.
+# FIXME: do we really want to maintain this feature?
+cat >>$CONFIG_STATUS <<_ACEOF
+ sed "$ac_vpsub
+$extrasub
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
+:t
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+s&@configure_input@&$configure_input&;t t
+s&@top_builddir@&$ac_top_builddir_sub&;t t
+s&@srcdir@&$ac_srcdir&;t t
+s&@abs_srcdir@&$ac_abs_srcdir&;t t
+s&@top_srcdir@&$ac_top_srcdir&;t t
+s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
+s&@builddir@&$ac_builddir&;t t
+s&@abs_builddir@&$ac_abs_builddir&;t t
+s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
+s&@INSTALL@&$ac_INSTALL&;t t
+$ac_datarootdir_hack
+" $ac_file_inputs | sed -f "$tmp/subs-1.sed" | sed -f "$tmp/subs-2.sed" >$tmp/out
+
+test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
+ { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
+ { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
+ { echo "$as_me:$LINENO: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined. Please make sure it is defined." >&5
+echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined. Please make sure it is defined." >&2;}
+
+ rm -f "$tmp/stdin"
+ case $ac_file in
+ -) cat "$tmp/out"; rm -f "$tmp/out";;
+ *) rm -f "$ac_file"; mv "$tmp/out" $ac_file;;
+ esac
+ ;;
+ :H)
+ #
+ # CONFIG_HEADER
+ #
+_ACEOF
+
+# Transform confdefs.h into a sed script `conftest.defines', that
+# substitutes the proper values into config.h.in to produce config.h.
+rm -f conftest.defines conftest.tail
+# First, append a space to every undef/define line, to ease matching.
+echo 's/$/ /' >conftest.defines
+# Then, protect against being on the right side of a sed subst, or in
+# an unquoted here document, in config.status. If some macros were
+# called several times there might be several #defines for the same
+# symbol, which is useless. But do not sort them, since the last
+# AC_DEFINE must be honored.
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+# These sed commands are passed to sed as "A NAME B PARAMS C VALUE D", where
+# NAME is the cpp macro being defined, VALUE is the value it is being given.
+# PARAMS is the parameter list in the macro definition--in most cases, it's
+# just an empty string.
+ac_dA='s,^\\([ #]*\\)[^ ]*\\([ ]*'
+ac_dB='\\)[ (].*,\\1define\\2'
+ac_dC=' '
+ac_dD=' ,'
+
+uniq confdefs.h |
+ sed -n '
+ t rset
+ :rset
+ s/^[ ]*#[ ]*define[ ][ ]*//
+ t ok
+ d
+ :ok
+ s/[\\&,]/\\&/g
+ s/^\('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/ '"$ac_dA"'\1'"$ac_dB"'\2'"${ac_dC}"'\3'"$ac_dD"'/p
+ s/^\('"$ac_word_re"'\)[ ]*\(.*\)/'"$ac_dA"'\1'"$ac_dB$ac_dC"'\2'"$ac_dD"'/p
+ ' >>conftest.defines
+
+# Remove the space that was appended to ease matching.
+# Then replace #undef with comments. This is necessary, for
+# example, in the case of _POSIX_SOURCE, which is predefined and required
+# on some systems where configure will not decide to define it.
+# (The regexp can be short, since the line contains either #define or #undef.)
+echo 's/ $//
+s,^[ #]*u.*,/* & */,' >>conftest.defines
+
+# Break up conftest.defines:
+ac_max_sed_lines=50
+
+# First sed command is: sed -f defines.sed $ac_file_inputs >"$tmp/out1"
+# Second one is: sed -f defines.sed "$tmp/out1" >"$tmp/out2"
+# Third one will be: sed -f defines.sed "$tmp/out2" >"$tmp/out1"
+# et cetera.
+ac_in='$ac_file_inputs'
+ac_out='"$tmp/out1"'
+ac_nxt='"$tmp/out2"'
+
+while :
+do
+ # Write a here document:
+ cat >>$CONFIG_STATUS <<_ACEOF
+ # First, check the format of the line:
+ cat >"\$tmp/defines.sed" <<\\CEOF
+/^[ ]*#[ ]*undef[ ][ ]*$ac_word_re[ ]*\$/b def
+/^[ ]*#[ ]*define[ ][ ]*$ac_word_re[( ]/b def
+b
+:def
+_ACEOF
+ sed ${ac_max_sed_lines}q conftest.defines >>$CONFIG_STATUS
+ echo 'CEOF
+ sed -f "$tmp/defines.sed"' "$ac_in >$ac_out" >>$CONFIG_STATUS
+ ac_in=$ac_out; ac_out=$ac_nxt; ac_nxt=$ac_in
+ sed 1,${ac_max_sed_lines}d conftest.defines >conftest.tail
+ grep . conftest.tail >/dev/null || break
+ rm -f conftest.defines
+ mv conftest.tail conftest.defines
+done
+rm -f conftest.defines conftest.tail
+
+echo "ac_result=$ac_in" >>$CONFIG_STATUS
+cat >>$CONFIG_STATUS <<\_ACEOF
+ if test x"$ac_file" != x-; then
+ echo "/* $configure_input */" >"$tmp/config.h"
+ cat "$ac_result" >>"$tmp/config.h"
+ if diff $ac_file "$tmp/config.h" >/dev/null 2>&1; then
+ { echo "$as_me:$LINENO: $ac_file is unchanged" >&5
+echo "$as_me: $ac_file is unchanged" >&6;}
+ else
+ rm -f $ac_file
+ mv "$tmp/config.h" $ac_file
+ fi
+ else
+ echo "/* $configure_input */"
+ cat "$ac_result"
+ fi
+ rm -f "$tmp/out12"
+# Compute $ac_file's index in $config_headers.
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+ case $_am_header in
+ $ac_file | $ac_file:* )
+ break ;;
+ * )
+ _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+ esac
+done
+echo "timestamp for $ac_file" >`$as_dirname -- $ac_file ||
+$as_expr X$ac_file : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X$ac_file : 'X\(//\)[^/]' \| \
+ X$ac_file : 'X\(//\)$' \| \
+ X$ac_file : 'X\(/\)' \| . 2>/dev/null ||
+echo X$ac_file |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`/stamp-h$_am_stamp_count
+ ;;
+
+ :C) { echo "$as_me:$LINENO: executing $ac_file commands" >&5
+echo "$as_me: executing $ac_file commands" >&6;}
+ ;;
+ esac
+
+
+ case $ac_file$ac_mode in
+ "depfiles":C) test x"$AMDEP_TRUE" != x"" || for mf in $CONFIG_FILES; do
+ # Strip MF so we end up with the name of the file.
+ mf=`echo "$mf" | sed -e 's/:.*$//'`
+ # Check whether this is an Automake generated Makefile or not.
+ # We used to match only the files named `Makefile.in', but
+ # some people rename them; so instead we look at the file content.
+ # Grep'ing the first line is not enough: some people post-process
+ # each Makefile.in and add a new line on top of each file to say so.
+ # So let's grep whole file.
+ if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then
+ dirpart=`$as_dirname -- "$mf" ||
+$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$mf" : 'X\(//\)[^/]' \| \
+ X"$mf" : 'X\(//\)$' \| \
+ X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
+echo X"$mf" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+ else
+ continue
+ fi
+ # Extract the definition of DEPDIR, am__include, and am__quote
+ # from the Makefile without running `make'.
+ DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+ test -z "$DEPDIR" && continue
+ am__include=`sed -n 's/^am__include = //p' < "$mf"`
+ test -z "am__include" && continue
+ am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+ # When using ansi2knr, U may be empty or an underscore; expand it
+ U=`sed -n 's/^U = //p' < "$mf"`
+ # Find all dependency output files, they are included files with
+ # $(DEPDIR) in their names. We invoke sed twice because it is the
+ # simplest approach to changing $(DEPDIR) to its actual value in the
+ # expansion.
+ for file in `sed -n "
+ s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
+ sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
+ # Make sure the directory exists.
+ test -f "$dirpart/$file" && continue
+ fdir=`$as_dirname -- "$file" ||
+$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$file" : 'X\(//\)[^/]' \| \
+ X"$file" : 'X\(//\)$' \| \
+ X"$file" : 'X\(/\)' \| . 2>/dev/null ||
+echo X"$file" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+ { as_dir=$dirpart/$fdir
+ case $as_dir in #(
+ -*) as_dir=./$as_dir;;
+ esac
+ test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
+ as_dirs=
+ while :; do
+ case $as_dir in #(
+ *\'*) as_qdir=`echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #(
+ *) as_qdir=$as_dir;;
+ esac
+ as_dirs="'$as_qdir' $as_dirs"
+ as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+ test -d "$as_dir" && break
+ done
+ test -z "$as_dirs" || eval "mkdir $as_dirs"
+ } || test -d "$as_dir" || { { echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
+echo "$as_me: error: cannot create directory $as_dir" >&2;}
+ { (exit 1); exit 1; }; }; }
+ # echo "creating $dirpart/$file"
+ echo '# dummy' > "$dirpart/$file"
+ done
+done
+ ;;
+
+ esac
+done # for ac_tag
+
+
+{ (exit 0); exit 0; }
+_ACEOF
+chmod +x $CONFIG_STATUS
+ac_clean_files=$ac_clean_files_save
+
+
+# configure is writing to config.log, and then calls config.status.
+# config.status does its own redirection, appending to config.log.
+# Unfortunately, on DOS this fails, as config.log is still kept open
+# by configure, so config.status won't be able to write to it; its
+# output is simply discarded. So we exec the FD to /dev/null,
+# effectively closing config.log, so it can be properly (re)opened and
+# appended to by config.status. When coming back to configure, we
+# need to make the FD available again.
+if test "$no_create" != yes; then
+ ac_cs_success=:
+ ac_config_status_args=
+ test "$silent" = yes &&
+ ac_config_status_args="$ac_config_status_args --quiet"
+ exec 5>/dev/null
+ $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
+ exec 5>>config.log
+ # Use ||, not &&, to avoid exiting from the if with $? = 1, which
+ # would make configure fail if this is the last instruction.
+ $ac_cs_success || { (exit 1); exit 1; }
+fi
+
--- /dev/null
+dnl -*-autoconf-*-
+
+dnl lksctp-tools: Autoconf script
+dnl
+dnl $Id: configure.in,v 1.1.1.2 2002/08/06 23:55:45 inaky Exp $
+
+dnl (C) 2002 Intel Corporation
+dnl Iñaky Pérez-González <inaky.perez-gonzalez@intel.com>
+dnl - Initial packaging
+
+dnl Package info
+dnl (CONFIG_AUX_DIR is for putting stuff in $TOPSRCDIR/bin, so we
+dnl reduce clutter in the root; if we put it below AM_INIT_AUTOMAKE,
+dnl configure will fail ...)
+
+AC_INIT([src/apps/sctp_darn.c])
+AC_CONFIG_AUX_DIR(bin)
+AM_INIT_AUTOMAKE(lksctp-tools,1.0.10)
+AC_CONFIG_SRCDIR([config.h.in])
+AM_CONFIG_HEADER([config.h])
+AC_REVISION($Revision: 1.1.1.2 $)
+
+dnl Set defaults
+dnl CFLAGS="$CFLAGS -g -Wall"
+
+dnl Checks for programs.
+AC_PROG_AWK
+AC_PROG_CC
+AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_ISC_POSIX
+
+dnl Checks for libraries.
+AC_LIBTOOL_DLOPEN
+AC_PROG_LIBTOOL
+AC_SUBST(LIBTOOL_DEPS)
+
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_HEADER_SYS_WAIT
+AC_CHECK_HEADERS([arpa/inet.h fcntl.h malloc.h netdb.h netinet/in.h stdint.h stdlib.h string.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h unistd.h])
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_C_INLINE
+AC_TYPE_SIZE_T
+AC_HEADER_TIME
+AC_STRUCT_TM
+AC_C_VOLATILE
+
+# Checks for library functions.
+AC_FUNC_MALLOC
+AC_FUNC_MEMCMP
+AC_FUNC_REALLOC
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--- /dev/null
+
+
+
+
+Network Working Group R. Stewart
+Internet-Draft M. Ramalho
+Expires: December 2, 2006 Cisco Systems, Inc.
+ Q. Xie
+ Motorola, Inc.
+ M. Tuexen
+ Univ. of Applied Sciences Muenster
+ P. Conrad
+ University of Delaware
+ May 31, 2006
+
+
+ Stream Control Transmission Protocol (SCTP) Dynamic Address
+ Reconfiguration
+ draft-ietf-tsvwg-addip-sctp-15.txt
+
+Status of this Memo
+
+ By submitting this Internet-Draft, each author represents that any
+ applicable patent or other IPR claims of which he or she is aware
+ have been or will be disclosed, and any of which he or she becomes
+ aware will be disclosed, in accordance with Section 6 of BCP 79.
+
+ Internet-Drafts are working documents of the Internet Engineering
+ Task Force (IETF), its areas, and its working groups. Note that
+ other groups may also distribute working documents as Internet-
+ Drafts.
+
+ Internet-Drafts are draft documents valid for a maximum of six months
+ and may be updated, replaced, or obsoleted by other documents at any
+ time. It is inappropriate to use Internet-Drafts as reference
+ material or to cite them other than as "work in progress."
+
+ The list of current Internet-Drafts can be accessed at
+ http://www.ietf.org/ietf/1id-abstracts.txt.
+
+ The list of Internet-Draft Shadow Directories can be accessed at
+ http://www.ietf.org/shadow.html.
+
+ This Internet-Draft will expire on December 2, 2006.
+
+Copyright Notice
+
+ Copyright (C) The Internet Society (2006).
+
+Abstract
+
+ This document describes extensions to the Stream Control Transmission
+
+
+
+Stewart, et al. Expires December 2, 2006 [Page 1]
+\f
+Internet-Draft SCTP Dynamic Address Reconfiguration May 2006
+
+
+ Protocol (SCTP) [RFC2960] that provides a method to reconfigure IP
+ address information on an existing association.
+
+
+Table of Contents
+
+ 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
+ 2. Conventions . . . . . . . . . . . . . . . . . . . . . . . . . 4
+ 3. Additional Chunks and Parameters . . . . . . . . . . . . . . . 4
+ 3.1. New Chunk Types . . . . . . . . . . . . . . . . . . . . . 5
+ 3.1.1. Address Configuration Change Chunk (ASCONF) . . . . . 5
+ 3.1.2. Address Configuration Acknowledgment Chunk
+ (ASCONF-ACK) . . . . . . . . . . . . . . . . . . . . . 6
+ 3.2. New Parameter Types . . . . . . . . . . . . . . . . . . . 7
+ 3.2.1. Add IP Address . . . . . . . . . . . . . . . . . . . . 8
+ 3.2.2. Delete IP Address . . . . . . . . . . . . . . . . . . 9
+ 3.2.3. Error Cause Indication . . . . . . . . . . . . . . . . 10
+ 3.2.4. Set Primary IP Address . . . . . . . . . . . . . . . . 11
+ 3.2.5. Success Indication . . . . . . . . . . . . . . . . . . 12
+ 3.2.6. Adaptation Layer Indication . . . . . . . . . . . . . 13
+ 3.2.7. Supported Extensions Parameter . . . . . . . . . . . . 13
+ 3.3. New Error Causes . . . . . . . . . . . . . . . . . . . . . 14
+ 3.3.1. Error Cause: Request to Delete Last Remaining IP
+ Address . . . . . . . . . . . . . . . . . . . . . . . 14
+ 3.3.2. Error Cause: Operation Refused Due to Resource
+ Shortage . . . . . . . . . . . . . . . . . . . . . . . 15
+ 3.3.3. Error Cause: Request to Delete Source IP Address . . . 16
+ 3.3.4. Error Cause: Association Aborted due to illegal
+ ASCONF-ACK . . . . . . . . . . . . . . . . . . . . . . 17
+ 3.3.5. Error Cause: Request refused - no authorization. . . . 17
+ 4. Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . 18
+ 4.1. ASCONF Chunk Procedures . . . . . . . . . . . . . . . . . 18
+ 4.1.1. Congestion Control of ASCONF Chunks . . . . . . . . . 19
+ 4.2. Upon reception of an ASCONF Chunk. . . . . . . . . . . . . 20
+ 4.3. General rules for address manipulation . . . . . . . . . . 22
+ 4.3.1. A special case for OOTB ABORT chunks . . . . . . . . . 25
+ 4.3.2. A special case for changing an address. . . . . . . . 26
+ 4.4. Setting of the primary address . . . . . . . . . . . . . . 26
+ 5. Security Considerations . . . . . . . . . . . . . . . . . . . 27
+ 6. IANA considerations . . . . . . . . . . . . . . . . . . . . . 28
+ 7. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 28
+ 8. References . . . . . . . . . . . . . . . . . . . . . . . . . . 29
+ Appendix A. Abstract Address Handling . . . . . . . . . . . . . . 29
+ A.1. General remarks . . . . . . . . . . . . . . . . . . . . . 29
+ A.2. Generalized endpoints . . . . . . . . . . . . . . . . . . 29
+ A.3. Associations . . . . . . . . . . . . . . . . . . . . . . . 30
+ A.4. Relationship with RFC 2960 . . . . . . . . . . . . . . . . 31
+ A.5. Rules for address manipulation . . . . . . . . . . . . . . 31
+
+
+
+Stewart, et al. Expires December 2, 2006 [Page 2]
+\f
+Internet-Draft SCTP Dynamic Address Reconfiguration May 2006
+
+
+ Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 33
+ Intellectual Property and Copyright Statements . . . . . . . . . . 35
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
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+
+
+
+
+
+
+
+Stewart, et al. Expires December 2, 2006 [Page 3]
+\f
+Internet-Draft SCTP Dynamic Address Reconfiguration May 2006
+
+
+1. Introduction
+
+ To extend the utility and application scenarios of SCTP, this
+ document introduces optional extensions that provide SCTP with the
+ ability to:
+
+ 1. reconfigure IP address information on an existing association.
+ 2. set the remote primary path.
+ 3. exchange adaptation layer information during association setup.
+
+ These extensions enable SCTP to be utilized in the following
+ applications:
+
+ 1. For computational or networking platforms that allow addition/
+ removal of physical interface cards this feature can provide a
+ graceful method to add to the interfaces of an existing
+ association. For IPv6 this feature allows renumbering of
+ existing associations.
+ 2. This provides a method for an endpoint to request that its peer
+ set its primary destination address. This can be useful when an
+ address is about to be deleted, or when an endpoint has some
+ predetermined knowledge about which is the preferred address to
+ receive SCTP packets upon.
+ 3. This feature can be used to extend the usability of SCTP without
+ modifying it by allowing endpoints to exchange some information
+ during association setup.
+
+
+2. Conventions
+
+ The keywords MUST, MUST NOT, REQUIRED, SHALL, SHALL NOT, SHOULD,
+ SHOULD NOT, RECOMMENDED, NOT RECOMMENDED, MAY, and OPTIONAL, when
+ they appear in this document, are to be interpreted as described in
+ RFC2119 [RFC2119].
+
+
+3. Additional Chunks and Parameters
+
+ This section describes the addition of two new chunks and, seven new
+ parameters to allow:
+
+ o Dynamic addition of IP Addresses to an association.
+ o Dynamic deletion of IP Addresses from an association.
+ o A request to set the primary address the peer will use when
+ sending to an endpoint.
+
+ Additionally, this section describes three new error causes that
+ support these new chunks and parameters.
+
+
+
+Stewart, et al. Expires December 2, 2006 [Page 4]
+\f
+Internet-Draft SCTP Dynamic Address Reconfiguration May 2006
+
+
+3.1. New Chunk Types
+
+ This section defines two new chunk types that will be used to
+ transfer the control information reliably. Table 1 illustrates the
+ two new chunk types.
+
+ Chunk Type Chunk Name
+ --------------------------------------------------------------
+ 0xC1 Address Configuration Change Chunk (ASCONF)
+ 0x80 Address Configuration Acknowledgment (ASCONF-ACK)
+
+ Table 1: Address Configuration Chunks
+
+ It should be noted that the ASCONF Chunk format requires the receiver
+ to report to the sender if it does not understand the ASCONF Chunk.
+ This is accomplished by setting the upper bits in the chunk type as
+ described in RFC2960 [RFC2960] section 3.2. Note that the upper two
+ bits in the ASCONF Chunk are set to one. As defined in RFC2960
+ [RFC2960] section 3.2, setting these upper bits in this manner will
+ cause the receiver that does not understand this chunk to skip the
+ chunk and continue processing, but report in an Operation Error Chunk
+ using the 'Unrecognized Chunk Type' cause of error.
+
+3.1.1. Address Configuration Change Chunk (ASCONF)
+
+ This chunk is used to communicate to the remote endpoint one of the
+ configuration change requests that MUST be acknowledged. The
+ information carried in the ASCONF Chunk uses the form of a Type-
+ Length-Value (TLV), as described in "3.2.1 Optional/Variable-length
+ Parameter Format" in RFC2960 [RFC2960], for all variable parameters.
+ This chunk MUST be sent in an authenticated way by using the
+ mechanism defined in SCTP-AUTH [I-D.ietf-tsvwg-sctp-auth]. If this
+ chunk is received unauthenticated it MUST be silently discarded as
+ described in SCTP-AUTH [I-D.ietf-tsvwg-sctp-auth].
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+Stewart, et al. Expires December 2, 2006 [Page 5]
+\f
+Internet-Draft SCTP Dynamic Address Reconfiguration May 2006
+
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Type = 0xC1 | Chunk Flags | Chunk Length |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Serial Number |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Address Parameter |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ASCONF Parameter #1 |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ \ \
+ / .... /
+ \ \
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ASCONF Parameter #N |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ Serial Number : 32 bits (unsigned integer)
+
+ This value represents a Serial Number for the ASCONF Chunk. The
+ valid range of Serial Number is from 0 to 4294967295 (2**32 - 1).
+ Serial Numbers wrap back to 0 after reaching 4294967295.
+
+ Address Parameter : 8 or 20 bytes (depending on type)
+
+ This field contains an address parameter, either IPv6 or IPv4, from
+ RFC2960 [RFC2960]. The address is an address of the sender of the
+ ASCONF chunk, the address MUST be considered part of the association
+ by the peer endpoint (the receiver of the ASCONF chunk). This field
+ may be used by the receiver of the ASCONF to help in finding the
+ association. If the address 0.0.0.0 or ::0 is provided the receiver
+ MAY lookup the association by other information provided in the
+ packet. This parameter MUST be present in every ASCONF message i.e.
+ it is a mandatory TLV parameter.
+
+ Note the host name address parameter is NOT allowed and MUST be
+ ignored if received in any ASCONF message.
+
+ ASCONF Parameter: TLV format
+
+ Each Address configuration change is represented by a TLV parameter
+ as defined in Section 3.2. One or more requests may be present in an
+ ASCONF Chunk.
+
+3.1.2. Address Configuration Acknowledgment Chunk (ASCONF-ACK)
+
+ This chunk is used by the receiver of an ASCONF Chunk to acknowledge
+
+
+
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+
+
+ the reception. It carries zero or more results for any ASCONF
+ Parameters that were processed by the receiver. This chunk MUST be
+ sent in an authenticated way by using the mechanism defined in SCTP-
+ AUTH [I-D.ietf-tsvwg-sctp-auth]. If this chunk is received
+ unauthenticated it MUST be silently discarded as described in SCTP-
+ AUTH [I-D.ietf-tsvwg-sctp-auth].
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Type = 0x80 | Chunk Flags | Chunk Length |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Serial Number |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ASCONF Parameter Response#1 |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ \ \
+ / .... /
+ \ \
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ASCONF Parameter Response#N |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ Serial Number : 32 bits (unsigned integer)
+
+ This value represents the Serial Number for the received ASCONF Chunk
+ that is acknowledged by this chunk. This value is copied from the
+ received ASCONF Chunk.
+
+ ASCONF Parameter Response : TLV format
+
+ The ASCONF Parameter Response is used in the ASCONF-ACK to report
+ status of ASCONF processing. By default, if a responding endpoint
+ does not include any Error Cause, a success is indicated. Thus a
+ sender of an ASCONF-ACK MAY indicate complete success of all TLVs in
+ an ASCONF by returning only the Chunk Type, Chunk Flags, Chunk Length
+ (set to 8) and the Serial Number.
+
+3.2. New Parameter Types
+
+ The seven new parameters added follow the format defined in section
+ 3.2.1 of RFC2960 [RFC2960]. Table 2, 3 and 4 describes the
+ parameters.
+
+
+
+
+
+
+
+
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+
+
+ Address Configuration Parameters Parameter Type
+ -------------------------------------------------
+ Set Primary Address 0xC004
+ Adaptation Layer Indication 0xC006
+ Supported Extensions 0x8008
+
+ Table 2: Parameters that can be used in INIT/INIT-ACK chunk
+
+
+ Address Configuration Parameters Parameter Type
+ -------------------------------------------------
+ Add IP Address 0xC001
+ Delete IP Address 0xC002
+ Set Primary Address 0xC004
+
+ Table 3: Parameters used in ASCONF Parameter
+
+
+ Address Configuration Parameters Parameter Type
+ -------------------------------------------------
+ Error Cause Indication 0xC003
+ Success Indication 0xC005
+
+ Table 4: Parameters used in ASCONF Parameter Response
+
+
+ Any parameter that appears where it is not allowed (for example a
+ 0xC002 parameter appearing within an INIT or INIT-ACK) MAY be
+ responded to with an ABORT by the receiver of the invalid parameter.
+
+3.2.1. Add IP Address
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Type = 0xC001 | Length = Variable |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ASCONF-Request Correlation ID |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Address Parameter |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ ASCONF-Request Correlation ID: 32 bits
+
+ This is an opaque integer assigned by the sender to identify each
+ request parameter. It is in host byte order and is only meaningful
+ to the sender. The receiver of the ASCONF Chunk will copy this 32
+ bit value into the ASCONF Response Correlation ID field of the
+
+
+
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+
+
+ ASCONF-ACK response parameter. The sender of the ASCONF can use this
+ same value in the ASCONF-ACK to find which request the response is
+ for.
+
+ Address Parameter: TLV
+
+ This field contains an IPv4 or IPv6 address parameter as described in
+ 3.3.2.1 of RFC2960 [RFC2960]. The complete TLV is wrapped within
+ this parameter. It informs the receiver that the address specified
+ is to be added to the existing association. This parameter MUST NOT
+ contain a broadcast or multicast address. If the address 0.0.0.0 or
+ ::0 is provided, the source address of the packet MUST be added.
+
+ An example TLV requesting that the IPv4 address 10.1.1.1 be added to
+ the association would look as follows:
+
+ +--------------------------------+
+ | Type=0xC001 | Length = 16 |
+ +--------------------------------+
+ | C-ID = 0x01023474 |
+ +--------------------------------+
+ | Type=5 | Length = 8 |
+ +----------------+---------------+
+ | Value=0x0a010101 |
+ +----------------+---------------+
+
+ Valid Chunk Appearance
+
+ The Add IP Address parameter may only appear in the ASCONF Chunk
+ type.
+
+3.2.2. Delete IP Address
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Type =0xC002 | Length = Variable |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ASCONF-Request Correlation ID |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Address Parameter |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ ASCONF-Request Correlation ID: 32 bits
+
+ This is an opaque integer assigned by the sender to identify each
+ request parameter. It is in host byte order and is only meaningful
+ to the sender. The receiver of the ASCONF Chunk will copy this 32
+
+
+
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+
+
+ bit value into the ASCONF Response Correlation ID field of the
+ ASCONF-ACK response parameter. The sender of the ASCONF can use this
+ same value in the ASCONF-ACK to find which request the response is
+ for.
+
+ Address Parameter: TLV
+
+ This field contains an IPv4 or IPv6 address parameter as described in
+ 3.3.2.1 of RFC2960 [RFC2960]. The complete TLV is wrapped within
+ this parameter. It informs the receiver that the address specified
+ is to be removed from the existing association. This parameter MUST
+ NOT contain a broadcast or multicast address. If the address 0.0.0.0
+ or ::0 is provided, all addresses of the peer except the source
+ address of the packet MUST be deleted.
+
+ An example TLV deleting the IPv4 address 10.1.1.1 from an existing
+ association would look as follows:
+
+ +--------------------------------+
+ | Type=0xC002 | Length = 16 |
+ +--------------------------------+
+ | C-ID = 0x01023476 |
+ +--------------------------------+
+ | Type=5 | Length = 8 |
+ +----------------+---------------+
+ | Value=0x0a010101 |
+ +----------------+---------------+
+
+ Valid Chunk Appearance
+
+ The Delete IP Address parameter may only appear in the ASCONF Chunk
+ type.
+
+3.2.3. Error Cause Indication
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Type = 0xC003 | Length = Variable |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ASCONF-Response Correlation ID |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Error Cause(s) or Return Info on Success |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ ASCONF-Response Correlation ID: 32 bits
+
+ This is an opaque integer assigned by the sender to identify each
+
+
+
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+
+
+ request parameter. The receiver of the ASCONF Chunk will copy this
+ 32 bit value from the ASCONF-Request Correlation ID into the ASCONF
+ Response Correlation ID field so the peer can easily correlate the
+ request to this response.
+
+ Error Cause(s): TLV(s)
+
+ When reporting an error this response parameter is used to wrap one
+ or more standard error causes normally found within an SCTP
+ Operational Error or SCTP Abort (as defined in RFC2960 [RFC2960]).
+ The Error Cause(s) follow the format defined in section 3.3.10 of
+ RFC2960 [RFC2960].
+
+ Valid Chunk Appearance
+
+ The Error Cause Indication parameter may only appear in the ASCONF-
+ ACK chunk type.
+
+3.2.4. Set Primary IP Address
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Type =0xC004 | Length = Variable |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ASCONF-Request Correlation ID |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Address Parameter |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ ASCONF-Request Correlation ID: 32 bits
+
+ This is an opaque integer assigned by the sender to identify each
+ request parameter. It is in host byte order and is only meaningful
+ to the sender. The receiver of the ASCONF Chunk will copy this 32
+ bit value into the ASCONF Response Correlation ID field of the
+ ASCONF-ACK response parameter. The sender of the ASCONF can use this
+ same value in the ASCONF-ACK to find which request the response is
+ for.
+
+ Address Parameter: TLV
+
+ This field contains an IPv4 or IPv6 address parameter as described in
+ 3.3.2.1 of RFC2960 [RFC2960]. The complete TLV is wrapped within
+ this parameter. It requests the receiver to mark the specified
+ address as the primary address to send data to (see section 5.1.2 of
+ RFC2960 [RFC2960]). The receiver MAY mark this as its primary upon
+ receiving this request. If the address 0.0.0.0 or ::0 is provided,
+
+
+
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+
+
+ the receiver MAY mark the source address of the packet as its
+ primary.
+
+ An example TLV requesting that the IPv4 address 10.1.1.1 be made the
+ primary destination address would look as follows:
+
+ +--------------------------------+
+ | Type=0xC004 | Length = 16 |
+ +--------------------------------+
+ | C-ID = 0x01023479 |
+ +--------------------------------+
+ | Type=5 | Length = 8 |
+ +----------------+---------------+
+ | Value=0x0a010101 |
+ +----------------+---------------+
+
+ Valid Chunk Appearance
+
+ The Set Primary IP Address parameter may appear in the ASCONF Chunk,
+ the INIT, or the INIT-ACK chunk type. The inclusion of this
+ parameter in the INIT or INIT-ACK can be used to indicate an initial
+ preference of primary address.
+
+3.2.5. Success Indication
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Type = 0xC005 | Length = 8 |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ASCONF-Response Correlation ID |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ By default if a responding endpoint does not report an error for any
+ requested TLV, a success is implicitly indicated. Thus a sender of a
+ ASCONF-ACK MAY indicate complete success of all TLVs in an ASCONF by
+ returning only the Chunk Type, Chunk Flags, Chunk Length (set to 8)
+ and the Serial Number.
+
+ The responding endpoint MAY also choose to explicitly report a
+ success for a requested TLV, by returning a success report ASCONF
+ Parameter Response.
+
+ ASCONF-Response Correlation ID: 32 bits
+
+ This is an opaque integer assigned by the sender to identify each
+ request parameter. The receiver of the ASCONF Chunk will copy this
+ 32 bit value from the ASCONF-Request Correlation ID into the ASCONF
+
+
+
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+
+
+ Response Correlation ID field so the peer can easily correlate the
+ request to this response.
+
+ Valid Chunk Appearance
+
+ The Success Indication parameter may only appear in the ASCONF-ACK
+ chunk type.
+
+3.2.6. Adaptation Layer Indication
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Type =0xC006 | Length = 8 |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Adaptation Code point |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ This parameter is specified for the communication of peer upper layer
+ protocols. It is envisioned to be used for flow control and other
+ adaptation layers that require an indication to be carried in the
+ INIT and INIT-ACK. Each adaptation layer that is defined that wishes
+ to use this parameter MUST specify a an adaptation code point in an
+ appropriate RFC defining its use and meaning. This parameter SHOULD
+ NOT be examined by the receiving SCTP implementation and should be
+ passed opaquely to the upper layer protocol.
+
+ Valid Chunk Appearance
+
+ The Adaptation Layer Indication parameter may appear in INIT or INIT-
+ ACK chunk and SHOULD be passed to the receivers upper layer protocol.
+ This parameter MUST NOT appear in a ASCONF chunk.
+
+3.2.7. Supported Extensions Parameter
+
+ This parameter is used at startup to identify any additional
+ extensions that the sender supports. The sender MUST support both
+ the sending and the receiving of any chunk types listed within the
+ Supported Extensions Parameter.
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Parameter Type = 0x8008 | Parameter Length |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | CHUNK TYPE 1 | CHUNK TYPE 2 | CHUNK TYPE 3 | CHUNK TYPE 4 |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | .... |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | CHUNK TYPE N | PAD | PAD | PAD |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+
+ Parameter Type This field holds the IANA defined parameter type for
+ Supported Extensions Parameter. The suggested value of this field
+ for IANA is 0x8008.
+ Parameter Type Length This field holds the length of the parameter,
+ including the Parameter Type, Parameter Length and any addition
+ supported extensions. Note the length MUST NOT include any
+ padding.
+ CHUNK TYPE X This field(s) hold the chunk type of any SCTP
+ extension(s) that are currently supported by the sending SCTP.
+ Multiple chunk types may be defined listing each additional
+ feature that the sender supports. The sender MUST NOT include
+ multiple Supported Extensions Parameter within any chunk.
+ Parameter Appearance This parameter may appear in the INIT or INIT-
+ ACK chunk. This parameter MUST NOT appear in any other chunk.
+
+3.3. New Error Causes
+
+ Five new Error Causes are added to the SCTP Operational Errors,
+ primarily for use in the ASCONF-ACK chunk.
+
+ Cause Code
+ Value Cause Code
+ --------- ----------------
+ 0x0100 Request to Delete Last Remaining IP Address.
+ 0x0101 Operation Refused Due to Resource Shortage.
+ 0x0102 Request to Delete Source IP Address.
+ 0x0103 Association Aborted due to illegal ASCONF-ACK
+ 0x0104 Request refused - no authorization.
+
+ Table 5: New Error Causes
+
+3.3.1. Error Cause: Request to Delete Last Remaining IP Address
+
+ Cause of error
+
+
+
+
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+
+
+ Request to Delete Last Remaining IP address: The receiver of this
+ error sent a request to delete the last IP address from its
+ association with its peer. This error indicates that the request is
+ rejected.
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Cause Code=0x0100 | Cause Length=Variable |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ \ TLV-Copied-From-ASCONF /
+ / \
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ An example of a failed delete in an Error Cause TLV would look as
+ follows in the response ASCONF-ACK message:
+
+ +--------------------------------+
+ | Type = 0xC003 | Length = 28 |
+ +----------------+---------------+
+ | C-ID = 0x01023476 |
+ +--------------------------------+
+ | Cause=0x0100 | Length = 20 |
+ +----------------+---------------+
+ | Type= 0xC002 | Length = 16 |
+ +----------------+---------------+
+ | C-ID = 0x01023476 |
+ +--------------------------------+
+ | Type=0x0005 | Length = 8 |
+ +----------------+---------------+
+ | Value=0x0A010101 |
+ +----------------+---------------+
+
+3.3.2. Error Cause: Operation Refused Due to Resource Shortage
+
+ Cause of error
+
+ This error cause is used to report a failure by the receiver to
+ perform the requested operation due to a lack of resources. The
+ entire TLV that is refused is copied from the ASCONF into the error
+ cause.
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Expires December 2, 2006 [Page 15]
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+
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Cause Code=0x0101 | Cause Length=Variable |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ \ TLV-Copied-From-ASCONF /
+ / \
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ An example of a failed addition in an Error Cause TLV would look as
+ follows in the response ASCONF-ACK message:
+
+ +--------------------------------+
+ | Type = 0xC003 | Length = 28 |
+ +--------------------------------+
+ | C-ID = 0x01023474 |
+ +--------------------------------+
+ | Cause=0x0101 | Length = 20 |
+ +----------------+---------------+
+ | Type=0xC001 | Length = 16 |
+ +--------------------------------+
+ | C-ID = 0x01023474 |
+ +--------------------------------+
+ | Type=0x0005 | Length = 8 |
+ +----------------+---------------+
+ | Value=0x0A010101 |
+ +----------------+---------------+
+
+3.3.3. Error Cause: Request to Delete Source IP Address
+
+ Cause of error
+
+ Request to Delete Source IP Address: The receiver of this error sent
+ a request to delete the source IP address of the ASCONF message.
+ This error indicates that the request is rejected.
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Cause Code=0x0102 | Cause Length=Variable |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ \ TLV-Copied-From-ASCONF /
+ / \
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ An example of a failed delete in an Error Cause TLV would look as
+ follows in the response ASCONF-ACK message:
+
+
+
+
+Stewart, et al. Expires December 2, 2006 [Page 16]
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+
+
+ +--------------------------------+
+ | Type = 0xC003 | Length = 28 |
+ +--------------------------------+
+ | C-ID = 0x01023476 |
+ +--------------------------------+
+ | Cause=0x0102 | Length = 20 |
+ +----------------+---------------+
+ | Type=0xC002 | Length = 16 |
+ +----------------+---------------+
+ | C-ID = 0x01023476 |
+ +--------------------------------+
+ | Type=0x0005 | Length = 8 |
+ +----------------+---------------+
+ | Value=0x0A010101 |
+ +----------------+---------------+
+
+ IMPLEMENTATION NOTE: It is unlikely that an endpoint would source a
+ packet from the address being deleted, unless the endpoint does not
+ do proper source address selection.
+
+3.3.4. Error Cause: Association Aborted due to illegal ASCONF-ACK
+
+ This error is to be included in an ABORT that is generated due to the
+ reception of an ASCONF-ACK that was not expected but is larger than
+ the current sequence number (see Section 4.3 Rule D0 ). Note that a
+ sequence number is larger than the last acked sequence number if it
+ is either the next sequence or no more than 2^^31-1 greater than the
+ current sequence number.
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Cause Code=0x0103 | Cause Length=4 |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+3.3.5. Error Cause: Request refused - no authorization.
+
+ Cause of error
+
+ This error cause may be included to reject a request based on local
+ security policies.
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Expires December 2, 2006 [Page 17]
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+
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Cause Code=0x0104 | Cause Length=Variable |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ \ TLV-Copied-From-ASCONF /
+ / \
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+
+4. Procedures
+
+ This section will lay out the specific procedures for address
+ configuration change chunk type and its processing.
+
+4.1. ASCONF Chunk Procedures
+
+ When an endpoint has an ASCONF signaled change to be sent to the
+ remote endpoint it should do the following:
+
+ A1) Create an ASCONF Chunk as defined in Section 3.1.1. The chunk
+ should contain all of the TLV(s) of information necessary to be
+ sent to the remote endpoint, and unique correlation identities for
+ each request.
+ A2) A serial number should be assigned to the Chunk. The serial
+ number should be a monotonically increasing number. The serial
+ number MUST be initialized at the start of the association to the
+ same value as the Initial TSN and every time a new ASCONF chunk is
+ created it is incremented by one after assigning the serial number
+ to the newly created chunk .
+ A3) If no ASCONF Chunk is outstanding (un-acknowledged) with the
+ remote peer, send the chunk.
+ A4) Start a T-4 RTO timer, using the RTO value of the selected
+ destination address (normally the primary path; see RFC2960
+ [RFC2960] section 6.4 for details).
+ A5) When the ASCONF-ACK that acknowledges the serial number last sent
+ arrives, stop the T-4 RTO timer, and clear the appropriate
+ association and destination error counters as defined in RFC2960
+ [RFC2960] section 8.1 and 8.2.
+ A6) Process all of the TLVs within the ASCONF-ACK to find out
+ particular status information returned to the various requests
+ that were sent. Use the Correlation IDs to correlate the request
+ and the responses.
+ A7) If an error response is received for a TLV parameter, all TLVs
+ with no response before the failed TLV are considered successful
+ if not reported. All TLVs after the failed response are
+ considered unsuccessful unless a specific success indication is
+ present for the parameter.
+
+
+
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+
+ A8) If there is no response(s) to specific TLV parameter(s), and no
+ failures are indicated, then all request(s) are considered
+ successful.
+ A9) If the peer responds to an ASCONF with an ERROR chunk reporting
+ that it did not recognize the ASCONF chunk type, the sender of the
+ ASCONF MUST NOT send any further ASCONF chunks and MUST stop its
+ T-4 timer.
+
+ If the T-4 RTO timer expires the endpoint should do the following:
+
+ B1) Increment the error counters and perform path failure detection
+ on the appropriate destination address as defined in RFC2960
+ [RFC2960] section 8.1 and 8.2.
+ B2) Increment the association error counters and perform endpoint
+ failure detection on the association as defined in RFC2960
+ [RFC2960] section 8.1 and 8.2.
+ B3) Back-off the destination address RTO value to which the ASCONF
+ chunk was sent by doubling the RTO timer value.
+ Note: The RTO value is used in the setting of all timer types for
+ SCTP. Each destination address has a single RTO estimate.
+ B4) Re-transmit the ASCONF Chunk last sent and if possible choose an
+ alternate destination address (please refer to RFC2960 [RFC2960]
+ section 6.4.1). An endpoint MUST NOT add new parameters to this
+ chunk, it MUST be the same (including its serial number) as the
+ last ASCONF sent.
+ B5) Restart the T-4 RTO timer. Note that if a different destination
+ is selected, then the RTO used will be that of the new destination
+ address.
+
+ Note: the total number of re-transmissions is limited by B2 above.
+ If the maximum is reached, the association will fail and enter into
+ the CLOSED state (see RFC2960 [RFC2960] section 6.4.1 for details).
+
+4.1.1. Congestion Control of ASCONF Chunks
+
+ In defining the ASCONF Chunk transfer procedures, it is essential
+ that these transfers MUST NOT cause congestion within the network.
+ To achieve this, we place these restrictions on the transfer of
+ ASCONF Chunks:
+
+ R1) One and only one ASCONF Chunk MAY be in transit and
+ unacknowledged at any one time. If a sender, after sending an
+ ASCONF chunk, decides it needs to transfer another ASCONF Chunk,
+ it MUST wait until the ASCONF-ACK Chunk returns from the previous
+ ASCONF Chunk before sending a subsequent ASCONF. Note this
+ restriction binds each side, so at any time two ASCONF may be in-
+ transit on any given association (one sent from each endpoint).
+
+
+
+
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+
+ R2) An ASCONF may be bundled with any other chunk type (except other
+ ASCONF Chunks).
+ R3) An ASCONF-ACK may be bundled with any other chunk type except
+ other ASCONF-ACKs.
+ R4) Both ASCONF and ASCONF-ACK chunks MUST NOT be sent in any SCTP
+ state except ESTABLISHED, SHUTDOWN-PENDING, SHUTDOWN-RECEIVED and
+ SHUTDOWN-SENT.
+ R5) An ASCONF MUST NOT be larger than the path MTU of the
+ destination.
+ R6) An ASCONF-ACK SHOULD not be larger than the path MTU. In some
+ circumstances an ASCONF-ACK may exceed the path MTU and in such a
+ case IP fragmentation should be used to transmit the chunk.
+
+ If the sender of an ASCONF Chunk receives an Operational Error
+ indicating that the ASCONF chunk type is not understood, then the
+ sender MUST NOT send subsequent ASCONF Chunks to the peer. The
+ endpoint should also inform the upper layer application that the peer
+ endpoint does not support any of the extensions detailed in this
+ document.
+
+4.2. Upon reception of an ASCONF Chunk.
+
+ When an endpoint receives an ASCONF Chunk from the remote peer
+ special procedures MAY be needed to identify the association the
+ ASCONF Chunk is associated with. To properly find the association
+ the following procedures should be followed:
+
+ L1) Use the source address and port number of the sender to attempt
+ to identify the association (i.e. use the same method defined in
+ RFC2960 [RFC2960] used for all other SCTP chunks). If found
+ proceed to rule L4.
+ L2) If the association is not found, use the address found in the
+ Address Parameter TLV combined with the port number found in the
+ SCTP common header. If found proceed to rule L4.
+ L3) If neither L1 or L2 locates the association, treat the chunk as
+ an Out Of The Blue chunk as defined in RFC2960 [RFC2960].
+ L4) Follow the normal rules to validate the SCTP verification tag
+ found in RFC2960 [RFC2960].
+
+ After identification and verification of the association, the
+ following should be performed to properly process the ASCONF Chunk:
+
+ C1) Compare the value of the serial number to the value the endpoint
+ stored in a new association variable 'Peer-Serial-Number'. This
+ value MUST be initialized to the Initial TSN value minus 1.
+
+
+
+
+
+
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+
+ C2) If the value found in the serial number is equal to the ('Peer-
+ Serial-Number' + 1), the endpoint MUST:
+
+ V1) Process the TLVs contained within the Chunk performing the
+ appropriate actions as indicated by each TLV type. The TLVs
+ MUST be processed in order within the Chunk. For example, if
+ the sender puts 3 TLVs in one chunk, the first TLV (the one
+ closest to the Chunk Header) in the Chunk MUST be processed
+ first. The next TLV in the chunk (the middle one) MUST be
+ processed second and finally the last TLV in the Chunk MUST be
+ processed last. If the association was found via L2, the first
+ parameter MUST be an Add IP address parameter for the source
+ address of the packet. If it is not the case the ASCONF is
+ silently discarded. Please note that this new address can not
+ be deleted by a later parameter in the chunk because it is the
+ source address of the packet.
+ V2) In processing the chunk, the receiver should build a response
+ message with the appropriate error TLVs, as specified in the
+ Parameter type bits for any ASCONF Parameter it does not
+ understand. To indicate an unrecognized parameter, cause type
+ 8 as defined in the ERROR in 3.3.10.8 of RFC2960 [RFC2960]
+ should be used. The endpoint may also use the response to
+ carry rejections for other reasons such as resource shortages
+ etc, using the Error Cause TLV and an appropriate error
+ condition.
+ Note: a positive response is implied if no error is indicated
+ by the sender.
+ V3) All responses MUST copy the ASCONF-Request Correlation ID
+ field received in the ASCONF parameter, from the TLV being
+ responded to, into the ASCONF-Request Correlation ID field in
+ the response parameter.
+ V4) After processing the entire Chunk, the receiver of the ASCONF
+ MUST send all TLVs for both unrecognized parameters and any
+ other status TLVs inside the ASCONF-ACK chunk that acknowledges
+ the arrival and processing of the ASCONF Chunk.
+ V5) Update the 'Peer-Serial-Number' to the value found in the
+ serial number field.
+ C3) If the value found in the serial number is equal to the value
+ stored in the 'Peer-Serial-Number', the endpoint should:
+
+ X1) Parse the ASCONF Chunk TLVs but the endpoint MUST NOT take any
+ action on the TLVs parsed (since it has already performed these
+ actions).
+ X2) Build a response message with the appropriate response TLVs as
+ specified in the ASCONF Parameter type bits, for any parameter
+ it does not understand or could not process.
+
+
+
+
+
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+
+ X3) After parsing the entire Chunk, it MUST send any response TLV
+ errors and status with an ASCONF-ACK chunk acknowledging the
+ arrival and processing of the ASCONF Chunk.
+ X4) The endpoint MUST NOT update its 'Peer-Serial-Number'.
+ Note: the response to the retransmitted ASCONF MUST be the same as
+ the original response. This MAY mean an implementation must keep
+ state in order to respond with the same exact answer (including
+ resource considerations that may have made the implementation
+ refuse a request).
+ IMPLEMENTATION NOTE: As an optimization a receiver may wish to
+ save the last ASCONF-ACK for some predetermined period of time and
+ instead of re-processing the ASCONF (with the same serial number)
+ it may just re-transmit the ASCONF-ACK. It may wish to use the
+ arrival of a new serial number to discard the previously saved
+ ASCONF-ACK or any other means it may choose to expire the saved
+ ASCONF-ACK.
+ C4) Otherwise, the ASCONF Chunk is discarded since it must be either
+ a stale packet or from an attacker. A receiver of such a packet
+ MAY log the event for security purposes.
+ C5) In both cases C2 and C3 the ASCONF-ACK MUST be sent back to the
+ source address contained in the IP header of the ASCONF being
+ responded to.
+
+4.3. General rules for address manipulation
+
+ When building TLV parameters for the ASCONF Chunk that will add or
+ delete IP addresses the following rules should be applied:
+
+ D0) If an endpoint receives an ASCONF-ACK that is greater than or
+ equal to the next serial number to be used but no ASCONF chunk is
+ outstanding the endpoint MUST ABORT the association. Note that a
+ sequence number is greater than if it is no more than 2^^31-1
+ larger than the current sequence number (using serial arithmetic).
+ D1) When adding an IP address to an association, the IP address is
+ NOT considered fully added to the association until the ASCONF-ACK
+ arrives. This means that until such time as the ASCONF containing
+ the add is acknowledged the sender MUST NOT use the new IP address
+ as a source for ANY SCTP packet except on carrying an ASCONF
+ chunk. The receiver of the add IP address request may use the
+ address as a destination immediately. The receiver MUST use the
+ path verification procedure for the added address before using
+ that address. The receiver MUST NOT send packets to the new
+ address except for the corresponding ASCONF-ACK chunk or HEARTBEAT
+ chunks for path verification before the new path is verified. If
+ the ASCONF-ACK is sent to the new address it MAY be bundled with
+ the HEARTBEAT chunk for path verification.
+
+
+
+
+
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+
+ D2) After the ASCONF-ACK of an IP address add arrives, the endpoint
+ MAY begin using the added IP address as a source address for any
+ type of SCTP chunk.
+ D3a) If an endpoint receives an Error Cause TLV indicating that the
+ IP address Add or IP address Deletion parameters was not
+ understood, the endpoint MUST consider the operation failed and
+ MUST NOT attempt to send any subsequent Add or Delete requests to
+ the peer.
+ D3b) If an endpoint receives an Error Cause TLV indicating that the
+ IP address Set Primary IP Address parameter was not understood,
+ the endpoint MUST consider the operation failed and MUST NOT
+ attempt to send any subsequent Set Primary IP Address requests to
+ the peer.
+ D4) When deleting an IP address from an association, the IP address
+ MUST be considered a valid destination address for the reception
+ of SCTP packets until the ASCONF-ACK arrives and MUST NOT be used
+ as a source address for any subsequent packets. This means that
+ any datagrams that arrive before the ASCONF-ACK destined to the IP
+ address being deleted MUST be considered part of the current
+ association. One special consideration is that ABORT chunks
+ arriving destined to the IP address being deleted MUST be ignored
+ (see Section 4.3.1 for further details).
+ D5) An endpoint MUST NOT delete its last remaining IP address from an
+ association. In other words if an endpoint is NOT multi-homed it
+ MUST NOT use the delete IP address without an add IP address
+ preceding the delete parameter in the ASCONF chunk. Or if an
+ endpoint sends multiple requests to delete IP addresses it MUST
+ NOT delete all of the IP addresses that the peer has listed for
+ the requester.
+ D6) An endpoint MUST NOT set an IP header source address for an SCTP
+ packet holding the ASCONF Chunk to be the same as an address being
+ deleted by the ASCONF Chunk.
+ D7) If a request is received to delete the last remaining IP address
+ of a peer endpoint, the receiver MUST send an Error Cause TLV with
+ the error cause set to the new error code 'Request to Delete Last
+ Remaining IP Address'. The requested delete MUST NOT be performed
+ or acted upon, other than to send the ASCONF-ACK.
+ D8) If a request is received to delete an IP address which is also
+ the source address of the IP packet which contained the ASCONF
+ chunk, the receiver MUST reject this request. To reject the
+ request the receiver MUST send an Error Cause TLV set to the new
+ error code 'Request to Delete Source IP Address' (unless Rule D5
+ has also been violated, in which case the error code 'Request to
+ Delete Last Remaining IP Address' is sent).
+
+
+
+
+
+
+
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+
+ D9) If an endpoint receives an ADD IP address request and does not
+ have the local resources to add this new address to the
+ association, it MUST return an Error Cause TLV set to the new
+ error code 'Operation Refused Due to Resource Shortage'.
+ D10) If an endpoint receives an 'Out of Resource' error in response
+ to its request to ADD an IP address to an association, it must
+ either ABORT the association or not consider the address part of
+ the association. In other words if the endpoint does not ABORT
+ the association, it must consider the add attempt failed and NOT
+ use this address since its peer will treat SCTP packets destined
+ to the address as Out Of The Blue packets.
+ D11) When an endpoint receiving an ASCONF to add an IP address sends
+ an 'Out of Resource' in its response, it MUST also fail any
+ subsequent add or delete requests bundled in the ASCONF. The
+ receiver MUST NOT reject an ADD and then accept a subsequent
+ DELETE of an IP address in the same ASCONF Chunk. In other words,
+ once a receiver begins failing any ADD or DELETE request, it must
+ fail all subsequent ADD or DELETE requests contained in that
+ single ASCONF.
+ D12) When an endpoint receives a request to delete an IP address that
+ is the current primary address, it is an implementation decision
+ as to how that endpoint chooses the new primary address.
+ D13) When an endpoint receives a valid request to DELETE an IP
+ address the endpoint MUST consider the address no longer as part
+ of the association. It MUST NOT send SCTP packets for the
+ association to that address and it MUST treat subsequent packets
+ received from that address as Out Of The Blue.
+ During the time interval between sending out the ASCONF and
+ receiving the ASCONF-ACK it MAY be possible to receive DATA chunks
+ out of order. The following examples illustrate these problems:
+
+
+
+ Endpoint-A Endpoint-Z
+ ---------- ----------
+ ASCONF[Add-IP:X]------------------------------>
+ /--ASCONF-ACK
+ /
+ /--------/---New DATA:
+ / / Destination
+ <-------------------/ / IP:X
+ /
+ <--------------------------/
+
+
+ In the above example we see a new IP address (X) being added to the
+ Endpoint-A. However due to packet re-ordering in the network a new
+ DATA chunk is sent and arrives at Endpoint-A before the ASCONF-ACK
+
+
+
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+
+ confirming the add of the address to the association.
+
+ A similar problem exists with the deletion of an IP address as
+ follows:
+
+
+ Endpoint-A Endpoint-Z
+ ---------- ----------
+ /------------New DATA:
+ / Destination
+ / IP:X
+ ASCONF [DEL-IP:X]---------/---------------->
+ <-----------------/------------------ASCONF-ACK
+ /
+ /
+ <-------------/
+
+ In this example we see a DATA chunk destined to the IP:X (which is
+ about to be deleted) arriving after the deletion is complete. For
+ the ADD case an endpoint SHOULD consider the newly adding IP address
+ valid for the association to receive data from during the interval
+ when awaiting the ASCONF-ACK. The endpoint MUST NOT source data from
+ this new address until the ASCONF-ACK arrives but it may receive out
+ of order data as illustrated and MUST NOT treat this data as an OOTB
+ datagram (please see RFC2960 [RFC2960] section 8.4). It MAY drop the
+ data silently or it MAY consider it part of the association but it
+ MUST NOT respond with an ABORT.
+
+ For the DELETE case, an endpoint MAY respond to the late arriving
+ DATA packet as an OOTB datagram or it MAY hold the deleting IP
+ address for a small period of time as still valid. If it treats the
+ DATA packet as an OOTB the peer will silently discard the ABORT
+ (since by the time the ABORT is sent the peer will have removed the
+ IP address from this association). If the endpoint elects to hold
+ the IP address valid for a period of time, it MUST NOT hold it valid
+ longer than 2 RTO intervals for the destination being removed.
+
+4.3.1. A special case for OOTB ABORT chunks
+
+ Another case worth mentioning is illustrated below:
+
+
+
+
+
+
+
+
+
+
+
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+
+
+ Endpoint-A Endpoint-Z
+ ---------- ----------
+
+ New DATA:------------\
+ Source IP:X \
+ \
+ ASCONF-REQ[DEL-IP:X]----\------------------>
+ \ /---------ASCONF-ACK
+ \ /
+ \----/-----------> OOTB
+ (Ignored <---------------------/-------------ABORT
+ by rule D4) /
+ <---------------------/
+
+
+ For this case, during the deletion of an IP address, an Abort MUST be
+ ignored if the destination address of the Abort message is that of a
+ destination being deleted.
+
+4.3.2. A special case for changing an address.
+
+ In some instances the sender may only have one IP address in an
+ association that is being renumbered. When this occurs, the sender
+ may not be able to send to the peer the appropriate ADD/DELETE pair
+ and use the old address as a source in the IP header. For this
+ reason the sender MUST fill in the Address Parameter field with an
+ address that is part of the association (in this case the one being
+ deleted). This will allow the receiver to locate the association
+ without using the source address found in the IP header.
+
+ The receiver of such a chunk MUST always first use the source address
+ found in the IP header in looking up the association. The receiver
+ should attempt to use the address found in the Address Bytes field
+ only if the lookup fails using the source address from the IP header.
+ The receiver MUST reply to the source address of the packet in this
+ case which is the new address that was added by the ASCONF (since the
+ old address is no longer a part of the association after processing).
+
+4.4. Setting of the primary address
+
+ A sender of this option may elect to send this combined with a
+ deletion or addition of an address. A sender SHOULD only send a set
+ primary request to an address that is already considered part of the
+ association. In other words if a sender combines a set primary with
+ an add of a new IP address the set primary will be discarded unless
+ the add request is to be processed BEFORE the set primary (i.e. it
+ precedes the set primary).
+
+
+
+
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+
+ A request to set primary MAY also appear in an INIT or INIT-ACK
+ chunk. This can give advice to the peer endpoint as to which of its
+ addresses the sender of the INIT or INIT-ACK would prefer to be used
+ as the primary address.
+
+ The request to set an address as the primary path is an option the
+ receiver SHOULD perform. It is considered advice to the receiver of
+ the best destination address to use in sending SCTP packets (in the
+ requesters view). If a request arrives that asks the receiver to set
+ an address as primary that does not exist, the receiver should NOT
+ honor the request, leaving its existing primary address unchanged.
+
+
+5. Security Considerations
+
+ The addition and or deletion of an IP address to an existing
+ association does provide an additional mechanism by which existing
+ associations can be hijacked. Therefore this document requires the
+ use of the authentication mechanism defined in SCTP-AUTH [I-D.ietf-
+ tsvwg-sctp-auth] to limit the ability of an attacker to hijack an
+ association.
+
+ Hijacking an association by using the addition and deletion of an IP
+ address is only possible for an attacker who is able to intercept the
+ initial two packets of the association setup when the SCTP-AUTH
+ extension is used without pre-shared keys.. If such a threat is
+ considered a possibility, then the SCTP-AUTH [I-D.ietf-tsvwg-sctp-
+ auth] extension MUST be used with a preconfigured shared end-point
+ pair key to mitigate this threat. For a more detailed analysis see
+ SCTP-AUTH [I-D.ietf-tsvwg-sctp-auth].
+
+ If an SCTP endpoint that supports this extension receives an INIT
+ that indicates that the peer supports the ASCONF extension but does
+ NOT support the SCTP-AUTH [I-D.ietf-tsvwg-sctp-auth] extension, the
+ receiver of such an INIT MUST send an ABORT in response to such an
+ INIT. Note that an implementation is allowed to silently discard
+ such an INIT as an option as well but under NO circumstance is an
+ implementation allowed to proceed with the association setup by
+ sending an INIT-ACK in response.
+
+ An implementation that receives an INIT-ACK that indicates that the
+ peer does not support the SCTP-AUTH [I-D.ietf-tsvwg-sctp-auth]
+ extension MUST NOT send the COOKIE-ECHO to establish the association.
+ Instead the implementation MUST discard the INIT-ACK and report to
+ the upper layer user that an association cannot be established
+ destroying the TCB.
+
+
+
+
+
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+
+6. IANA considerations
+
+ This document defines the following new SCTP parameters, chunks and
+ errors:
+
+ o Two new chunk types,
+ o Seven parameter types, and
+ o Five new SCTP error causes.
+
+ One of the two new chunk types must come from the range of chunk
+ types where the upper two bits are one, we recommend 0xC1 but any
+ other available code point with the upper bits set is also
+ acceptable. The second chunk type must come from the range where
+ only the upper bit is set to one. We recommend 0x80 but any other
+ available code point with the upper bit set is also acceptable. The
+ suggested chunk types are listed in Table 1.
+
+ All but one of the parameter types must come from the range of types
+ where the upper two bits are set, we recommend 0xC001 - 0xC006, as
+ specified in this document. The other parameter type must come from
+ the 0x8000 range, we recommend 0x8008. Note that for any of these
+ values a different unique parameter type may be assigned by IANA as
+ long as the upper bits correspond to the ones specified in this
+ document. The suggested parameter types are listed in Table 2, Table
+ 3, and Table 4.
+
+ The five new error causes can be any value, in this document we have
+ used 0x0100-0x0104 in an attempt to separate these from the common
+ ranges of error codes. Any other unassigned values are also
+ acceptable. The suggested error causes are listed in Table 5.
+
+ This document also defines a Adaptation code point. The adaptation
+ code point is a 32 bit integer that is assigned by IANA through an
+ IETF Consensus action as defined in RFC2434 [RFC2434].
+
+
+7. Acknowledgments
+
+ The authors wish to thank Jon Berger, Greg Kendall, Seok Koh, Peter
+ Lei, John Loughney, Ivan Arias Rodriguez, Renee Revis, Marshall Rose,
+ Chip Sharp, and Irene Ruengeler for their invaluable comments.
+
+ The authors would also like to give special mention to Maria-Carmen
+ Belinchon and Ian Rytina for there early contributions to this
+ document and their thoughtful comments.
+
+
+
+
+
+
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+
+
+8. References
+
+ [RFC2026] Bradner, S., "The Internet Standards Process -- Revision
+ 3", BCP 9, RFC 2026, October 1996.
+
+ [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
+ Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+ [RFC2402] Kent, S. and R. Atkinson, "IP Authentication Header",
+ RFC 2402, November 1998.
+
+ [RFC2434] Narten, T. and H. Alvestrand, "Guidelines for Writing an
+ IANA Considerations Section in RFCs", BCP 26, RFC 2434,
+ October 1998.
+
+ [RFC2629] Rose, M., "Writing I-Ds and RFCs using XML", RFC 2629,
+ June 1999.
+
+ [RFC2960] Stewart, R., Xie, Q., Morneault, K., Sharp, C.,
+ Schwarzbauer, H., Taylor, T., Rytina, I., Kalla, M.,
+ Zhang, L., and V. Paxson, "Stream Control Transmission
+ Protocol", RFC 2960, October 2000.
+
+ [I-D.ietf-tsvwg-sctp-auth]
+ Tuexen, M., "Authenticated Chunks for Stream Control
+ Transmission Protocol (SCTP)",
+ draft-ietf-tsvwg-sctp-auth-02 (work in progress),
+ March 2006.
+
+
+Appendix A. Abstract Address Handling
+
+A.1. General remarks
+
+ The following text provides a working definition of the endpoint
+ notion to discuss address reconfiguration. It is not intended to
+ restrict implementations in any way, its goal is to provide as set of
+ definitions only. Using these definitions should make a discussion
+ about address issues easier.
+
+A.2. Generalized endpoints
+
+ A generalized endpoint is a pair of a set of IP addresses and a port
+ number at any given point of time. The precise definition is as
+ follows:
+
+ A generalized endpoint gE at time t is given by
+
+
+
+
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+
+ gE(t) = ({IP1, ..., IPn}, Port)
+
+ where {IP1, ..., IPn} is a non empty set of IP addresses.
+
+ Please note that the dynamic addition and deletion of IP-addresses
+ described in this document allows the set of IP-addresses of a
+ generalized endpoint to be changed at some point of time. The port
+ number can never be changed.
+
+ The set of IP addresses of a generalized endpoint gE at a time t is
+ defined as
+
+ Addr(gE)(t) = {IP1, ..., IPn}
+
+ if gE(t) = ({IP1, ..., IPn}, Port) holds at time t.
+
+ The port number of a generalized endpoint gE is defined as
+
+ Port(gE) = Port
+
+ if gE(t) = ({IP1, ..., IPn}, Port) holds at time t.
+
+ There is one fundamental rule which restricts all generalized
+ endpoints:
+
+ For two different generalized endpoints gE' and gE'' with the same
+ port number Port(gE') = Port(gE'') the address sets Addr(gE')(t) and
+ Addr(gE'')(t) must be disjoint at every point of time.
+
+A.3. Associations
+
+ Associations consists of two generalized endpoints and the two
+ address sets known by the peer at any time. The precise definition
+ is as follows:
+
+ An association A between to different generalized endpoints gE' and
+ gE'' is given by
+
+ A = (gE', S', gE'', S'')
+
+ where S'(t) and S''(t) are set of addresses at any time t such that
+ S'(t) is a non-empty subset of Addr(gE')(t) and S''(t) is a non-empty
+ subset of Addr(gE'')(t).
+
+ If A = (gE', S', gE'', S'') is an association between the generalized
+ endpoints gE' and gE'' the following notion is used:
+
+ Addr(A, gE') = S' and Addr(A, gE'') = S''.
+
+
+
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+
+
+ If the dependency on time is important the notion Addr(A, gE')(t) =
+ S'(t) will be used.
+
+ If A is an association between gE' and gE'' then Addr(A, gE') is the
+ subset of IP addresses of gE' which is known by gE'' and used by gE'.
+
+ Association establishment between gE' and gE'' can be seen as:
+
+ 1. gE' and gE'' do exist before the association.
+ 2. If an INIT has to be send from gE' to gE'' address scoping rules
+ and other limitations are applied to calculate the subset S' from
+ Addr(gE'). The addresses of S' are included in the INIT chunk.
+ 3. If an INIT-ACK has to be send from gE'' to gE' address scoping
+ rules and other limitations are applied to calculate the subset
+ S'' from Addr(gE''). The addresses of S'' are included in the
+ INIT-ACK chunk.
+ 4. After the handshake the association A = (gE', S', gE'', S'') has
+ been established.
+ 5. Right after the association establishment Addr(A, gE') and
+ Addr(A, gE'') are the addresses which have been seen on the wire
+ during the handshake.
+
+A.4. Relationship with RFC 2960
+
+ RFC2960 [RFC2960] defines the notion of an endpoint. This subsection
+ will show that these endpoints are also (special) generalized
+ endpoints.
+
+ RFC2960 [RFC2960] has no notion of address scoping or other address
+ handling limitations and provides no mechanism to change the
+ addresses of an endpoint.
+
+ This means that an endpoint is simply a generalized endpoint which
+ does not depend on the time. Neither the Port nor the address list
+ changes.
+
+ During association setup no address scoping rules or other
+ limitations will be applied. This means that for an association A
+ between two endpoints gE' and gE'' the following is true:
+
+ Addr(A, gE') = Addr(gE') and Addr(A, gE'') = Addr(gE'').
+
+A.5. Rules for address manipulation
+
+ The rules for address manipulation can now be stated in a simple way:
+ 1. An address can be added to a generalized endpoint gE only if this
+ address is not an address of a different generalized endpoint
+ with the same port number.
+
+
+
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+
+ 2. An address can be added to an association A with generalized
+ endpoint gE if it has been added to the generalized endpoint gE
+ first. This means that the address must be an element of
+ Addr(gE) first and then it can become an element of Addr(A, gE).
+ But this is not necessary. If the association does not allow the
+ reconfiguration of the addresses only Addr(gE) can be modified.
+ 3. An address can be deleted from an association A with generalized
+ endpoint gE as long as Addr(A, gE) stays non-empty.
+ 4. An address can be deleted from an generalized endpoint gE only if
+ it has been removed from all associations having gE as a
+ generalized endpoint.
+
+ These rules simply make sure that the rules for the endpoints and
+ associations given above are always fulfilled.
+
+
+
+
+
+
+
+
+
+
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+
+
+Stewart, et al. Expires December 2, 2006 [Page 32]
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+
+
+Authors' Addresses
+
+ Randall R. Stewart
+ Cisco Systems, Inc.
+ 4875 Forest Drive
+ Suite 200
+ Columbia, SC 29206
+ US
+
+ Phone:
+ Email: rrs@cisco.com
+
+
+ Michael A. Ramalho
+ Cisco Systems, Inc.
+ 1802 Rue de la Porte
+ Wall Township, NJ 07719-3784
+ USA
+
+ Phone: +1.732.449.5762
+ Email: mramalho@cisco.com
+
+
+ Qiaobing Xie
+ Motorola, Inc.
+ 1501 W. Shure Drive, #2309
+ Arlington Heights, IL 60004
+ USA
+
+ Phone: +1-847-632-3028
+ Email: qxie1@email.mot.com
+
+
+ Michael Tuexen
+ Univ. of Applied Sciences Muenster
+ Stegerwaldstr. 39
+ 48565 Steinfurt
+ Germany
+
+ Email: tuexen@fh-muenster.de
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Expires December 2, 2006 [Page 33]
+\f
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+
+
+ Phillip T. Conrad
+ University of Delaware
+ Department of Computer and Information Sciences
+ Newark, DE 19716
+ US
+
+ Phone: +1 302 831 8622
+ Email: conrad@acm.org
+ URI: http://www.cis.udel.edu/~pconrad
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
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+
+
+Intellectual Property Statement
+
+ The IETF takes no position regarding the validity or scope of any
+ Intellectual Property Rights or other rights that might be claimed to
+ pertain to the implementation or use of the technology described in
+ this document or the extent to which any license under such rights
+ might or might not be available; nor does it represent that it has
+ made any independent effort to identify any such rights. Information
+ on the procedures with respect to rights in RFC documents can be
+ found in BCP 78 and BCP 79.
+
+ Copies of IPR disclosures made to the IETF Secretariat and any
+ assurances of licenses to be made available, or the result of an
+ attempt made to obtain a general license or permission for the use of
+ such proprietary rights by implementers or users of this
+ specification can be obtained from the IETF on-line IPR repository at
+ http://www.ietf.org/ipr.
+
+ The IETF invites any interested party to bring to its attention any
+ copyrights, patents or patent applications, or other proprietary
+ rights that may cover technology that may be required to implement
+ this standard. Please address the information to the IETF at
+ ietf-ipr@ietf.org.
+
+
+Disclaimer of Validity
+
+ This document and the information contained herein are provided on an
+ "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
+ OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE INTERNET
+ ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED,
+ INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE
+ INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
+ WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+Copyright Statement
+
+ Copyright (C) The Internet Society (2006). This document is subject
+ to the rights, licenses and restrictions contained in BCP 78, and
+ except as set forth therein, the authors retain all their rights.
+
+
+Acknowledgment
+
+ Funding for the RFC Editor function is currently provided by the
+ Internet Society.
+
+
+
+
+Stewart, et al. Expires December 2, 2006 [Page 35]
+\f
+
--- /dev/null
+
+
+
+Network Working Group R. Stewart
+Internet-Draft Cisco Systems, Inc.
+Expires: June 14, 2007 Q. Xie
+ Motorola, Inc.
+ L. Yarroll
+ TimeSys Corp
+ K. Poon
+ Sun Microsystems, Inc.
+ M. Tuexen
+ Univ. of Applied Sciences Muenster
+ December 11, 2006
+
+
+ Sockets API Extensions for Stream Control Transmission Protocol (SCTP)
+ draft-ietf-tsvwg-sctpsocket-14.txt
+
+Status of this Memo
+
+ By submitting this Internet-Draft, each author represents that any
+ applicable patent or other IPR claims of which he or she is aware
+ have been or will be disclosed, and any of which he or she becomes
+ aware will be disclosed, in accordance with Section 6 of BCP 79.
+
+ Internet-Drafts are working documents of the Internet Engineering
+ Task Force (IETF), its areas, and its working groups. Note that
+ other groups may also distribute working documents as Internet-
+ Drafts.
+
+ Internet-Drafts are draft documents valid for a maximum of six months
+ and may be updated, replaced, or obsoleted by other documents at any
+ time. It is inappropriate to use Internet-Drafts as reference
+ material or to cite them other than as "work in progress."
+
+ The list of current Internet-Drafts can be accessed at
+ http://www.ietf.org/ietf/1id-abstracts.txt.
+
+ The list of Internet-Draft Shadow Directories can be accessed at
+ http://www.ietf.org/shadow.html.
+
+ This Internet-Draft will expire on June 14, 2007.
+
+Copyright Notice
+
+ Copyright (C) The IETF Trust (2006).
+
+Abstract
+
+ This document describes a mapping of the Stream Control Transmission
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 1]
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+
+
+ Protocol SCTP into a sockets API. The benefits of this mapping
+ include compatibility for TCP applications, access to new SCTP
+ features and a consolidated error and event notification scheme.
+
+
+Table of Contents
+
+ 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 5
+ 2. Conventions . . . . . . . . . . . . . . . . . . . . . . . . . 6
+ 2.1. Data Types . . . . . . . . . . . . . . . . . . . . . . . . 6
+ 3. one-to-many style Interface . . . . . . . . . . . . . . . . . 6
+ 3.1. Basic Operation . . . . . . . . . . . . . . . . . . . . . 6
+ 3.1.1. socket() - one-to-many style socket . . . . . . . . . 7
+ 3.1.2. bind() - one-to-many style socket . . . . . . . . . . 8
+ 3.1.3. listen() - One-to-many style socket . . . . . . . . . 9
+ 3.1.4. sendmsg() and recvmsg() - one-to-many style socket . . 9
+ 3.1.5. close() - one-to-many style socket . . . . . . . . . . 11
+ 3.1.6. connect() - one-to-many style socket . . . . . . . . . 11
+ 3.2. Implicit Association Setup . . . . . . . . . . . . . . . . 12
+ 3.3. Non-blocking mode . . . . . . . . . . . . . . . . . . . . 13
+ 3.4. Special considerations . . . . . . . . . . . . . . . . . . 13
+ 4. one-to-one style Interface . . . . . . . . . . . . . . . . . . 15
+ 4.1. Basic Operation . . . . . . . . . . . . . . . . . . . . . 15
+ 4.1.1. socket() - one-to-one style socket . . . . . . . . . . 16
+ 4.1.2. bind() - one-to-one style socket . . . . . . . . . . . 16
+ 4.1.3. listen() - one-to-one style socket . . . . . . . . . . 17
+ 4.1.4. accept() - one-to-one style socket . . . . . . . . . . 18
+ 4.1.5. connect() - one-to-one style socket . . . . . . . . . 18
+ 4.1.6. close() - one-to-one style socket . . . . . . . . . . 19
+ 4.1.7. shutdown() - one-to-one style socket . . . . . . . . . 19
+ 4.1.8. sendmsg() and recvmsg() - one-to-one style socket . . 20
+ 4.1.9. getpeername() . . . . . . . . . . . . . . . . . . . . 20
+ 5. Data Structures . . . . . . . . . . . . . . . . . . . . . . . 21
+ 5.1. The msghdr and cmsghdr Structures . . . . . . . . . . . . 21
+ 5.2. SCTP msg_control Structures . . . . . . . . . . . . . . . 22
+ 5.2.1. SCTP Initiation Structure (SCTP_INIT) . . . . . . . . 23
+ 5.2.2. SCTP Header Information Structure (SCTP_SNDRCV) . . . 24
+ 5.2.3. Extended SCTP Header Information Structure
+ (SCTP_EXTRCV) . . . . . . . . . . . . . . . . . . . . 27
+ 5.3. SCTP Events and Notifications . . . . . . . . . . . . . . 31
+ 5.3.1. SCTP Notification Structure . . . . . . . . . . . . . 31
+ 5.4. Ancillary Data Considerations and Semantics . . . . . . . 42
+ 5.4.1. Multiple Items and Ordering . . . . . . . . . . . . . 42
+ 5.4.2. Accessing and Manipulating Ancillary Data . . . . . . 42
+ 5.4.3. Control Message Buffer Sizing . . . . . . . . . . . . 43
+ 6. Common Operations for Both Styles . . . . . . . . . . . . . . 44
+ 6.1. send(), recv(), sendto(), recvfrom() . . . . . . . . . . . 44
+ 6.2. setsockopt(), getsockopt() . . . . . . . . . . . . . . . . 45
+
+
+
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+ 6.3. read() and write() . . . . . . . . . . . . . . . . . . . . 46
+ 6.4. getsockname() . . . . . . . . . . . . . . . . . . . . . . 46
+ 7. Socket Options . . . . . . . . . . . . . . . . . . . . . . . . 47
+ 7.1. Read / Write Options . . . . . . . . . . . . . . . . . . . 48
+ 7.1.1. Retransmission Timeout Parameters (SCTP_RTOINFO) . . . 48
+ 7.1.2. Association Parameters (SCTP_ASSOCINFO) . . . . . . . 49
+ 7.1.3. Initialization Parameters (SCTP_INITMSG) . . . . . . . 51
+ 7.1.4. SO_LINGER . . . . . . . . . . . . . . . . . . . . . . 51
+ 7.1.5. SCTP_NODELAY . . . . . . . . . . . . . . . . . . . . . 51
+ 7.1.6. SO_RCVBUF . . . . . . . . . . . . . . . . . . . . . . 51
+ 7.1.7. SO_SNDBUF . . . . . . . . . . . . . . . . . . . . . . 52
+ 7.1.8. Automatic Close of associations (SCTP_AUTOCLOSE) . . . 52
+ 7.1.9. Set Peer Primary Address
+ (SCTP_SET_PEER_PRIMARY_ADDR) . . . . . . . . . . . . . 52
+ 7.1.10. Set Primary Address (SCTP_PRIMARY_ADDR) . . . . . . . 53
+ 7.1.11. Set Adaptation Layer Indicator
+ (SCTP_ADAPTATION_LAYER) . . . . . . . . . . . . . . . 53
+ 7.1.12. Enable/Disable message fragmentation
+ (SCTP_DISABLE_FRAGMENTS) . . . . . . . . . . . . . . . 53
+ 7.1.13. Peer Address Parameters (SCTP_PEER_ADDR_PARAMS) . . . 54
+ 7.1.14. Set default send parameters
+ (SCTP_DEFAULT_SEND_PARAM) . . . . . . . . . . . . . . 56
+ 7.1.15. Set notification and ancillary events (SCTP_EVENTS) . 57
+ 7.1.16. Set/clear IPv4 mapped addresses
+ (SCTP_I_WANT_MAPPED_V4_ADDR) . . . . . . . . . . . . . 57
+ 7.1.17. Set the maximum fragmentation size (SCTP_MAXSEG) . . . 57
+ 7.1.18. Add a chunk that must be authenticated
+ (SCTP_AUTH_CHUNK) . . . . . . . . . . . . . . . . . . 57
+ 7.1.19. Get or set the list of supported HMAC Identifiers
+ (SCTP_HMAC_IDENT) . . . . . . . . . . . . . . . . . . 58
+ 7.1.20. Set a shared key (SCTP_AUTH_KEY) . . . . . . . . . . . 58
+ 7.1.21. Get or set the active shared key
+ (SCTP_AUTH_ACTIVE_KEY) . . . . . . . . . . . . . . . . 59
+ 7.1.22. Delete a shared key (SCTP_AUTH_DELETE_KEY) . . . . . . 59
+ 7.1.23. Get or set delayed ack timer
+ (SCTP_DELAYED_ACK_TIME) . . . . . . . . . . . . . . . 60
+ 7.1.24. Get or set fragmented interleave
+ (SCTP_FRAGMENT_INTERLEAVE) . . . . . . . . . . . . . . 60
+ 7.1.25. Set or Get the sctp partial delivery point
+ (SCTP_PARTIAL_DELIVERY_POINT) . . . . . . . . . . . . 61
+ 7.1.26. Set or Get the use of extended receive info
+ (SCTP_USE_EXT_RCVINFO) . . . . . . . . . . . . . . . . 61
+ 7.1.27. Set or Get the auto asconf flag (SCTP_AUTO_ASCONF) . . 61
+ 7.1.28. Set or Get the maximum burst (SCTP_MAX_BURST) . . . . 61
+ 7.1.29. Set or Get the default context (SCTP_CONTEXT) . . . . 62
+ 7.1.30. Enable or disable explicit EOR marking
+ (SCTP_EXPLICIT_EOR) . . . . . . . . . . . . . . . . . 62
+ 7.2. Read-Only Options . . . . . . . . . . . . . . . . . . . . 62
+
+
+
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+
+ 7.2.1. Association Status (SCTP_STATUS) . . . . . . . . . . . 62
+ 7.2.2. Peer Address Information (SCTP_GET_PEER_ADDR_INFO) . . 64
+ 7.2.3. Get the list of chunks the peer requires to be
+ authenticated (SCTP_PEER_AUTH_CHUNKS) . . . . . . . . 65
+ 7.2.4. Get the list of chunks the local endpoint requires
+ to be authenticated (SCTP_LOCAL_AUTH_CHUNKS) . . . . . 65
+ 7.2.5. Get the list of current associations
+ (SCTP_GET_ASOC_ID_LIST) . . . . . . . . . . . . . . . 65
+ 7.3. Ancillary Data and Notification Interest Options . . . . . 66
+ 8. New Interfaces . . . . . . . . . . . . . . . . . . . . . . . . 68
+ 8.1. sctp_bindx() . . . . . . . . . . . . . . . . . . . . . . . 69
+ 8.2. Branched-off Association . . . . . . . . . . . . . . . . . 70
+ 8.3. sctp_getpaddrs() . . . . . . . . . . . . . . . . . . . . . 70
+ 8.4. sctp_freepaddrs() . . . . . . . . . . . . . . . . . . . . 71
+ 8.5. sctp_getladdrs() . . . . . . . . . . . . . . . . . . . . . 71
+ 8.6. sctp_freeladdrs() . . . . . . . . . . . . . . . . . . . . 72
+ 8.7. sctp_sendmsg() . . . . . . . . . . . . . . . . . . . . . . 72
+ 8.8. sctp_recvmsg() . . . . . . . . . . . . . . . . . . . . . . 73
+ 8.9. sctp_connectx() . . . . . . . . . . . . . . . . . . . . . 73
+ 8.10. sctp_send() . . . . . . . . . . . . . . . . . . . . . . . 74
+ 8.11. sctp_sendx() . . . . . . . . . . . . . . . . . . . . . . . 75
+ 8.12. sctp_getaddrlen . . . . . . . . . . . . . . . . . . . . . 76
+ 9. Preprocessor Constants . . . . . . . . . . . . . . . . . . . . 76
+ 10. IANA considerations . . . . . . . . . . . . . . . . . . . . . 77
+ 11. Security Considerations . . . . . . . . . . . . . . . . . . . 77
+ 12. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 77
+ 13. Normative references . . . . . . . . . . . . . . . . . . . . . 78
+ Appendix A. one-to-one style Code Example . . . . . . . . . . . . 78
+ Appendix B. one-to-many style Code Example . . . . . . . . . . . 84
+ Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 85
+ Intellectual Property and Copyright Statements . . . . . . . . . . 87
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+
+
+
+
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+
+
+1. Introduction
+
+ The sockets API has provided a standard mapping of the Internet
+ Protocol suite to many operating systems. Both TCP RFC793 [RFC0793]
+ and UDP RFC768 [RFC0768] have benefited from this standard
+ representation and access method across many diverse platforms. SCTP
+ is a new protocol that provides many of the characteristics of TCP
+ but also incorporates semantics more akin to UDP. This document
+ defines a method to map the existing sockets API for use with SCTP,
+ providing both a base for access to new features and compatibility so
+ that most existing TCP applications can be migrated to SCTP with few
+ (if any) changes.
+
+ There are three basic design objectives:
+
+ 1) Maintain consistency with existing sockets APIs:
+ We define a sockets mapping for SCTP that is consistent with other
+ sockets API protocol mappings (for instance, UDP, TCP, IPv4, and
+ IPv6).
+ 2) Support a one-to-many style interface
+ This set of semantics is similar to that defined for connection-
+ less protocols, such as UDP. A one-to-many style SCTP socket
+ should be able to control multiple SCTP associations. This is
+ similar to an UDP socket, which can communicate with many peer end
+ points. Each of these associations is assigned an association ID
+ so that an applications can use the ID to differentiate them.
+ Note that SCTP is connection-oriented in nature, and it does not
+ support broadcast or multicast communications, as UDP does.
+ 3) Support a one-to-one style interface
+ This interface supports a similar semantics as sockets for
+ connection-oriented protocols, such as TCP. A one-to-one style
+ SCTP socket should only control one SCTP association.
+ One purpose of defining this interface is to allow existing
+ applications built on other connection-oriented protocols be
+ ported to use SCTP with very little effort. And developers
+ familiar with those semantics can easily adapt to SCTP. Another
+ purpose is to make sure that existing mechanisms in most OSes to
+ deal with socket, such as select(), should continue to work with
+ this style of socket.
+ Extensions are added to this mapping to provide mechanisms to
+ exploit new features of SCTP.
+
+ Goals 2 and 3 are not compatible, so in this document we define two
+ modes of mapping, namely the one-to-many style mapping and the one-
+ to-one style mapping. These two modes share some common data
+ structures and operations, but will require the use of two different
+ application programming styles. Note that all new SCTP features can
+ be used with both styles of socket. The decision on which one to use
+
+
+
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+
+ depends mainly on the nature of applications.
+
+ A mechanism is defined to extract a one-to-many style SCTP
+ association into a one-to-one style socket.
+
+ Some of the SCTP mechanisms cannot be adequately mapped to existing
+ socket interface. In some cases, it is more desirable to have new
+ interface instead of using existing socket calls. Section 8 of this
+ document describes those new interface.
+
+
+2. Conventions
+
+2.1. Data Types
+
+ Whenever possible, data types from Draft 6.6 (March 1997) of POSIX
+ 1003.1g are used: uintN_t means an unsigned integer of exactly N bits
+ (e.g., uint16_t). We also assume the argument data types from
+ 1003.1g when possible (e.g., the final argument to setsockopt() is a
+ size_t value). Whenever buffer sizes are specified, the POSIX 1003.1
+ size_t data type is used.
+
+
+3. one-to-many style Interface
+
+ The one-to-many style interface has the following characteristics:
+
+ A) Outbound association setup is implicit.
+
+ B) Messages are delivered in complete messages (with one notable
+ exception).
+
+ C) There is a 1 to MANY relationship between socket and association.
+
+3.1. Basic Operation
+
+ A typical server in this style uses the following socket calls in
+ sequence to prepare an endpoint for servicing requests:
+
+ 1. socket()
+ 2. bind()
+ 3. listen()
+ 4. recvmsg()
+ 5. sendmsg()
+ 6. close()
+
+ A typical client uses the following calls in sequence to setup an
+ association with a server to request services:
+
+
+
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+ 1. socket()
+ 2. sendmsg()
+ 3. recvmsg()
+ 4. close()
+
+ In this style, by default, all the associations connected to the
+ endpoint are represented with a single socket. Each associations is
+ assigned an association ID (type is sctp_assoc_t) so that an
+ application can use it to differentiate between them. In some
+ implementations, the peer endpoints addresses can also be used for
+ this purpose. But this is not required for performance reasons. If
+ an implementation does not support using addresses to differentiate
+ between different associations, the sendto() call can only be used to
+ setup an association implicitly. It cannot be used to send data to
+ an established association as the association ID cannot be specified.
+
+ Once as association ID is assigned to an SCTP association, that ID
+ will not be reused until the application explicitly terminates the
+ association. The resources belonged to that association will not be
+ freed until that happens. This is similar to the close() operation
+ on a normal socket. The only exception is when the SCTP_AUTOCLOSE
+ option (section 7.1.8) is set. In this case, after the association
+ is terminated gracefully automatically, the association ID assigned
+ to it can be reused. All applications using this option should be
+ aware of this to avoid the possible problem of sending data to an
+ incorrect peer end point.
+
+ If the server or client wishes to branch an existing association off
+ to a separate socket, it is required to call sctp_peeloff() and in
+ the parameter specifies the association identification. The
+ sctp_peeloff() call will return a new socket which can then be used
+ with recv() and send() functions for message passing. See
+ Section 8.2 for more on branched-off associations.
+
+ Once an association is branched off to a separate socket, it becomes
+ completely separated from the original socket. All subsequent
+ control and data operations to that association must be done through
+ the new socket. For example, the close operation on the original
+ socket will not terminate any associations that have been branched
+ off to a different socket.
+
+ We will discuss the one-to-many style socket calls in more details in
+ the following subsections.
+
+3.1.1. socket() - one-to-many style socket
+
+ Applications use socket() to create a socket descriptor to represent
+ an SCTP endpoint.
+
+
+
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+
+
+ The syntax is,
+
+ sd = socket(PF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ or,
+
+ sd = socket(PF_INET6, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ Here, SOCK_SEQPACKET indicates the creation of a one-to-many style
+ socket.
+
+ The first form creates an endpoint which can use only IPv4 addresses,
+ while, the second form creates an endpoint which can use both IPv6
+ and IPv4 addresses.
+
+3.1.2. bind() - one-to-many style socket
+
+ Applications use bind() to specify which local address the SCTP
+ endpoint should associate itself with.
+
+ An SCTP endpoint can be associated with multiple addresses. To do
+ this, sctp_bindx() is introduced in section Section 8.1 to help
+ applications do the job of associating multiple addresses.
+
+ These addresses associated with a socket are the eligible transport
+ addresses for the endpoint to send and receive data. The endpoint
+ will also present these addresses to its peers during the association
+ initialization process, see RFC2960 [RFC2960].
+
+ After calling bind(), if the endpoint wishes to accept new
+ associations on the socket, it must call listen() (see section
+ Section 3.1.3).
+
+ The syntax of bind() is,
+
+ ret = bind(int sd, struct sockaddr *addr, socklen_t addrlen);
+
+ sd - the socket descriptor returned by socket().
+ addr - the address structure (struct sockaddr_in or struct
+ sockaddr_in6 RFC2553 [RFC2553]).
+ addrlen - the size of the address structure.
+
+ If sd is an IPv4 socket, the address passed must be an IPv4 address.
+ If the sd is an IPv6 socket, the address passed can either be an IPv4
+ or an IPv6 address.
+
+ Applications cannot call bind() multiple times to associate multiple
+ addresses to an endpoint. After the first call to bind(), all
+
+
+
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+
+
+ subsequent calls will return an error.
+
+ If addr is specified as a wildcard (INADDR_ANY for an IPv4 address,
+ or as IN6ADDR_ANY_INIT or in6addr_any for an IPv6 address), the
+ operating system will associate the endpoint with an optimal address
+ set of the available interfaces.
+
+ If a bind() is not called prior to a sendmsg() call that initiates a
+ new association, the system picks an ephemeral port and will choose
+ an address set equivalent to binding with a wildcard address. One of
+ those addresses will be the primary address for the association.
+ This automatically enables the multi-homing capability of SCTP.
+
+3.1.3. listen() - One-to-many style socket
+
+ By default, new associations are not accepted for one-to-many style
+ sockets. An application uses listen() to mark a socket as being able
+ to accept new associations. The syntax is,
+
+
+ int listen(int sd, int backlog);
+
+
+ sd - the socket descriptor of the endpoint.
+ backlog - if backlog is non-zero, enable listening else disable
+ listening.
+
+ Note that one-to-many style socket consumers do not need to call
+ accept to retrieve new associations. Calling accept() on a one-to-
+ many style socket should return EOPNOTSUPP. Rather, new associations
+ are accepted automatically, and notifications of the new associations
+ are delivered via recvmsg() with the SCTP_ASSOC_CHANGE event (if
+ these notifications are enabled). Clients will typically not call
+ listen(), so that they can be assured that the only associations on
+ the socket will be ones they actively initiated. Server or peer-to-
+ peer sockets, on the other hand, will always accept new associations,
+ so a well-written application using server one-to-many style sockets
+ must be prepared to handle new associations from unwanted peers.
+
+ Also note that the SCTP_ASSOC_CHANGE event provides the association
+ ID for a new association, so if applications wish to use the
+ association ID as input to other socket calls, they should ensure
+ that the SCTP_ASSOC_CHANGE event is enabled.
+
+3.1.4. sendmsg() and recvmsg() - one-to-many style socket
+
+ An application uses sendmsg() and recvmsg() call to transmit data to
+ and receive data from its peer.
+
+
+
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+
+
+ ssize_t sendmsg(int sd, const struct msghdr *message, int flags);
+
+ ssize_t recvmsg(int sd, struct msghdr *message, int flags);
+
+ sd - the socket descriptor of the endpoint.
+ message: pointer to the msghdr structure which contains a single
+ user message and possibly some ancillary data. See Section 5 for
+ complete description of the data structures.
+ flags - No new flags are defined for SCTP at this level. See
+ Section 5 for SCTP-specific flags used in the msghdr structure.
+
+ As we will see in Section 5, along with the user data, the ancillary
+ data field is used to carry the sctp_sndrcvinfo and/or the
+ sctp_initmsg structures to perform various SCTP functions including
+ specifying options for sending each user message. Those options,
+ depending on whether sending or receiving, include stream number,
+ stream sequence number, various flags, context and payload protocol
+ Id, etc.
+
+ When sending user data with sendmsg(), the msg_name field in msghdr
+ structure will be filled with one of the transport addresses of the
+ intended receiver. If there is no association existing between the
+ sender and the intended receiver, the sender's SCTP stack will set up
+ a new association and then send the user data (see Section 3.2 for
+ more on implicit association setup).
+
+ If a peer sends a SHUTDOWN, a SCTP_SHUTDOWN_EVENT notification will
+ be delivered if that notification has been enabled, and no more data
+ can be sent to that association. Any attempt to send more data will
+ cause sendmsg() to return with an ESHUTDOWN error. Note that the
+ socket is still open for reading at this point so it is possible to
+ retrieve notifications.
+
+ When receiving a user message with recvmsg(), the msg_name field in
+ msghdr structure will be populated with the source transport address
+ of the user data. The caller of recvmsg() can use this address
+ information to determine to which association the received user
+ message belongs. Note that if SCTP_ASSOC_CHANGE events are disabled,
+ applications must use the peer transport address provided in the
+ msg_name field by recvmsg() to perform correlation to an association,
+ since they will not have the association ID.
+
+ If all data in a single message has been delivered, MSG_EOR will be
+ set in the msg_flags field of the msghdr structure (see section
+ Section 5.1).
+
+ If the application does not provide enough buffer space to completely
+ receive a data message, MSG_EOR will not be set in msg_flags.
+
+
+
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+
+
+ Successive reads will consume more of the same message until the
+ entire message has been delivered, and MSG_EOR will be set.
+
+ If the SCTP stack is running low on buffers, it may partially deliver
+ a message. In this case, MSG_EOR will not be set, and more calls to
+ recvmsg() will be necessary to completely consume the message. Only
+ one message at a time per stream can be partially delivered.
+
+ Note, if the socket is a branched-off socket that only represents one
+ association (see Section 3.1), the msg_name field can be used to
+ override the primary address when sending data.
+
+3.1.5. close() - one-to-many style socket
+
+ Applications use close() to perform graceful shutdown (as described
+ in Section 10.1 of RFC2960 [RFC2960]) on ALL the associations
+ currently represented by a one-to-many style socket.
+
+ The syntax is:
+
+
+ ret = close(int sd);
+
+
+ sd - the socket descriptor of the associations to be closed.
+
+ To gracefully shutdown a specific association represented by the one-
+ to-many style socket, an application should use the sendmsg() call,
+ and including the SCTP_EOF flag. A user may optionally terminate an
+ association non-gracefully by sending with the SCTP_ABORT flag and
+ possibly passing a user specified abort code in the data field. Both
+ flags SCTP_EOF and SCTP_ABORT are passed with ancillary data (see
+ Section 5.2.2) in the sendmsg call.
+
+ If sd in the close() call is a branched-off socket representing only
+ one association, the shutdown is performed on that association only.
+
+3.1.6. connect() - one-to-many style socket
+
+ An application may use the connect() call in the one-to-many style to
+ initiate an association without sending data.
+
+ The syntax is:
+
+ ret = connect(int sd, const struct sockaddr *nam, socklen_t len);
+
+
+
+
+
+
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+
+
+ sd - the socket descriptor to have a new association added to.
+ nam - the address structure (either struct sockaddr_in or struct
+ sockaddr_in6 defined in RFC2553 [RFC2553]).
+ len - the size of the address.
+ Multiple connect() calls can be made on the same socket to create
+ multiple associations. This is different from the semantics of
+ connect() on a UDP socket.
+
+3.2. Implicit Association Setup
+
+ Once the bind() call is complete on a one-to-many style socket, the
+ application can begin sending and receiving data using the sendmsg()/
+ recvmsg() or sendto()/recvfrom() calls, without going through any
+ explicit association setup procedures (i.e., no connect() calls
+ required).
+
+ Whenever sendmsg() or sendto() is called and the SCTP stack at the
+ sender finds that there is no association existing between the sender
+ and the intended receiver (identified by the address passed either in
+ the msg_name field of msghdr structure in the sendmsg() call or the
+ dest_addr field in the sendto() call), the SCTP stack will
+ automatically setup an association to the intended receiver.
+
+ Upon the successful association setup a SCTP_COMM_UP notification
+ will be dispatched to the socket at both the sender and receiver
+ side. This notification can be read by the recvmsg() system call
+ (see Section 3.1.3).
+
+ Note, if the SCTP stack at the sender side supports bundling, the
+ first user message may be bundled with the COOKIE ECHO message
+ RFC2960 [RFC2960].
+
+ When the SCTP stack sets up a new association implicitly, it first
+ consults the sctp_initmsg structure, which is passed along within the
+ ancillary data in the sendmsg() call (see Section 5.2.1 for details
+ of the data structures), for any special options to be used on the
+ new association.
+
+ If this information is not present in the sendmsg() call, or if the
+ implicit association setup is triggered by a sendto() call, the
+ default association initialization parameters will be used. These
+ default association parameters may be set with respective
+ setsockopt() calls or be left to the system defaults.
+
+ Implicit association setup cannot be initiated by send()/recv()
+ calls.
+
+
+
+
+
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+
+
+3.3. Non-blocking mode
+
+ Some SCTP users might want to avoid blocking when they call socket
+ interface function.
+
+ Once all bind() calls are complete on a one-to-many style socket, the
+ application must set the non-blocking option by a fcntl() (such as
+ O_NONBLOCK). After which the sendmsg() function returns immediately,
+ and the success or failure of the data message (and possible
+ SCTP_INITMSG parameters) will be signaled by the SCTP_ASSOC_CHANGE
+ event with SCTP_COMM_UP or CANT_START_ASSOC. If user data could not
+ be sent (due to a CANT_START_ASSOC), the sender will also receive a
+ SCTP_SEND_FAILED event. Those event(s) can be received by the user
+ calling of recvmsg(). A server (having called listen()) is also
+ notified of an association up event by the reception of a
+ SCTP_ASSOC_CHANGE with SCTP_COMM_UP via the calling of recvmsg() and
+ possibly the reception of the first data message.
+
+ In order to shutdown the association gracefully, the user must call
+ sendmsg() with no data and with the SCTP_EOF flag set. The function
+ returns immediately, and completion of the graceful shutdown is
+ indicated by an SCTP_ASSOC_CHANGE notification of type
+ SHUTDOWN_COMPLETE (see Section 5.3.1.1). Note that this can also be
+ done using the sctp_send() call described in Section 8.10.
+
+ An application is recommended to use caution when using select() (or
+ poll()) for writing on a one-to-many style socket. The reason being
+ that interpretation of select on write is implementation specific.
+ Generally a positive return on a select on write would only indicate
+ that one of the associations represented by the one-to-many socket is
+ writable. An application that writes after the select return may
+ still block since the association that was writeable is not the
+ destination association of the write call. Likewise select (or
+ poll()) for reading from a one-to-many socket will only return an
+ indication that one of the associations represented by the socket has
+ data to be read.
+
+ An application that wishes to know that a particular association is
+ ready for reading or writing should either use the one-to-one style
+ or use the sctp_peeloff() (see Section 8.2) function to separate the
+ association of interest from the one-to-many socket.
+
+3.4. Special considerations
+
+ The fact that a one-to-many style socket can provide access to many
+ SCTP associations through a single socket descriptor has important
+ implications for both application programmers and system programmers
+ implementing this API. A key issue is how buffer space inside the
+
+
+
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+
+
+ sockets layer is managed. Because this implementation detail
+ directly affects how application programmers must write their code to
+ ensure correct operation and portability, this section provides some
+ guidance to both implementors and application programmers.
+
+ An important feature that SCTP shares with TCP is flow control:
+ specifically, a sender may not send data faster than the receiver can
+ consume it.
+
+ For TCP, flow control is typically provided for in the sockets API as
+ follows. If the reader stops reading, the sender queues messages in
+ the socket layer until it uses all of its socket buffer space
+ allocation creating a "stalled connection". Further attempts to
+ write to the socket will block or return the error EAGAIN or
+ EWOULDBLOCK for a non-blocking socket. At some point, either the
+ connection is closed, or the receiver begins to read again freeing
+ space in the output queue.
+
+ For one-to-one style SCTP sockets (this includes sockets descriptors
+ that were separated from a one-to-many style socket with
+ sctp_peeloff()) the behavior is identical. For one-to-many style
+ SCTP sockets, the fact that we have multiple associations on a single
+ socket makes the situation more complicated. If the implementation
+ uses a single buffer space allocation shared by all associations, a
+ single stalled association can prevent the further sending of data on
+ all associations active on a particular one-to-many style socket.
+
+ For a blocking socket, it should be clear that a single stalled
+ association can block the entire socket. For this reason,
+ application programmers may want to use non-blocking one-to-many
+ style sockets. The application should at least be able to send
+ messages to the non-stalled associations.
+
+ But a non-blocking socket is not sufficient if the API implementor
+ has chosen a single shared buffer allocation for the socket. A
+ single stalled association would eventually cause the shared
+ allocation to fill, and it would become impossible to send even to
+ non-stalled associations.
+
+ The API implementor can solve this problem by providing each
+ association with its own allocation of outbound buffer space. Each
+ association should conceptually have as much buffer space as it would
+ have if it had its own socket. As a bonus, this simplifies the
+ implementation of sctp_peeloff().
+
+ To ensure that a given stalled association will not prevent other
+ non-stalled associations from being writable, application programmers
+ should either:
+
+
+
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+
+
+ (a) demand that the underlying implementation dedicates independent
+ buffer space allotments to each association (as suggested above),
+ or
+ (b) verify that their application layer protocol does not permit
+ large amounts of unread data at the receiver (this is true of some
+ request-response protocols, for example), or
+ (c) use one-to-one style sockets for association which may
+ potentially stall (either from the beginning, or by using
+ sctp_peeloff before sending large amounts of data that may cause a
+ stalled condition).
+ An implementation which dedicates independent buffer space for
+ each association should define HAVE_SCTP_MULTIBUF to 1.
+
+
+4. one-to-one style Interface
+
+ The goal of this style is to follow as closely as possible the
+ current practice of using the sockets interface for a connection
+ oriented protocol, such as TCP. This style enables existing
+ applications using connection oriented protocols to be ported to SCTP
+ with very little effort.
+
+ Note that some new SCTP features and some new SCTP socket options can
+ only be utilized through the use of sendmsg() and recvmsg() calls,
+ see Section 4.1.8. Also note that some socket interfaces may not be
+ able to provide data on the third leg of the association set up with
+ this interface style.
+
+4.1. Basic Operation
+
+ A typical server in one-to-one style uses the following system call
+ sequence to prepare an SCTP endpoint for servicing requests:
+
+ 1. socket()
+
+ 2. bind()
+
+ 3. listen()
+
+ 4. accept()
+
+ The accept() call blocks until a new association is set up. It
+ returns with a new socket descriptor. The server then uses the new
+ socket descriptor to communicate with the client, using recv() and
+ send() calls to get requests and send back responses.
+
+ Then it calls
+
+
+
+
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+
+
+ 5. close()
+
+ to terminate the association.
+
+ A typical client uses the following system call sequence to setup an
+ association with a server to request services:
+
+ 1. socket()
+
+ 2. connect()
+
+ After returning from connect(), the client uses send() and recv()
+ calls to send out requests and receive responses from the server.
+
+ The client calls
+
+ 3. close()
+
+ to terminate this association when done.
+
+4.1.1. socket() - one-to-one style socket
+
+ Applications calls socket() to create a socket descriptor to
+ represent an SCTP endpoint.
+
+ The syntax is:
+
+ int socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
+
+ or,
+
+ int socket(PF_INET6, SOCK_STREAM, IPPROTO_SCTP);
+
+ Here, SOCK_STREAM indicates the creation of a one-to-one style
+ socket.
+
+ The first form creates an endpoint which can use only IPv4 addresses,
+ while the second form creates an endpoint which can use both IPv6 and
+ IPv4 addresses.
+
+4.1.2. bind() - one-to-one style socket
+
+ Applications use bind() to pass an address to be associated with an
+ SCTP endpoint to the system. bind() allows only either a single
+ address or a IPv4 or IPv6 wildcard address to be bound. An SCTP
+ endpoint can be associated with multiple addresses. To do this,
+ sctp_bindx() is introduced in Section 8.1 to help applications do the
+ job of associating multiple addresses.
+
+
+
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+
+
+ These addresses associated with a socket are the eligible transport
+ addresses for the endpoint to send and receive data. The endpoint
+ will also present these addresses to its peers during the association
+ initialization process, see RFC2960 [RFC2960].
+
+ The syntax is:
+
+ int bind(int sd, struct sockaddr *addr, socklen_t addrlen);
+
+ sd: the socket descriptor returned by socket() call.
+ addr: the address structure (either struct sockaddr_in or struct
+ sockaddr_in6 defined in RFC2553 [RFC2553]).
+ addrlen: the size of the address structure.
+
+ If sd is an IPv4 socket, the address passed must be an IPv4 address.
+ Otherwise, i.e., the sd is an IPv6 socket, the address passed can
+ either be an IPv4 or an IPv6 address.
+
+ Applications cannot call bind() multiple times to associate multiple
+ addresses to the endpoint. After the first call to bind(), all
+ subsequent calls will return an error.
+
+ If addr is specified as a wildcard (INADDR_ANY for an IPv4 address,
+ or as IN6ADDR_ANY_INIT or in6addr_any for an IPv6 address), the
+ operating system will associate the endpoint with an optimal address
+ set of the available interfaces.
+
+ If a bind() is not called prior to the connect() call, the system
+ picks an ephemeral port and will choose an address set equivalent to
+ binding with a wildcard address. One of those addresses will be the
+ primary address for the association. This automatically enables the
+ multi-homing capability of SCTP.
+
+ The completion of this bind() process does not ready the SCTP
+ endpoint to accept inbound SCTP association requests. Until a
+ listen() system call, described below, is performed on the socket,
+ the SCTP endpoint will promptly reject an inbound SCTP INIT request
+ with an SCTP ABORT.
+
+4.1.3. listen() - one-to-one style socket
+
+ Applications use listen() to ready the SCTP endpoint for accepting
+ inbound associations.
+
+ The syntax is:
+
+ int listen(int sd, int backlog);
+
+
+
+
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+
+
+ sd: the socket descriptor of the SCTP endpoint.
+ backlog: this specifies the max number of outstanding associations
+ allowed in the socket's accept queue. These are the associations
+ that have finished the four-way initiation handshake (see Section
+ 5 of RFC2960 [RFC2960]) and are in the ESTABLISHED state. Note, a
+ backlog of '0' indicates that the caller no longer wishes to
+ receive new associations.
+
+4.1.4. accept() - one-to-one style socket
+
+ Applications use accept() call to remove an established SCTP
+ association from the accept queue of the endpoint. A new socket
+ descriptor will be returned from accept() to represent the newly
+ formed association.
+
+ The syntax is:
+
+ new_sd = accept(int sd, struct sockaddr *addr, socklen_t *addrlen);
+
+ new_sd - the socket descriptor for the newly formed association.
+ sd - the listening socket descriptor.
+ addr - on return, will contain the primary address of the peer
+ endpoint.
+ addrlen - on return, will contain the size of addr.
+
+4.1.5. connect() - one-to-one style socket
+
+ Applications use connect() to initiate an association to a peer.
+
+ The syntax is:
+
+ int connect(int sd, const struct sockaddr *addr, socklen_t addrlen);
+
+ sd - the socket descriptor of the endpoint.
+ addr - the peer's address.
+ addrlen - the size of the address.
+
+ This operation corresponds to the ASSOCIATE primitive described in
+ section 10.1 of RFC2960 [RFC2960].
+
+ By default, the new association created has only one outbound stream.
+ The SCTP_INITMSG option described in Section 7.1.3 should be used
+ before connecting to change the number of outbound streams.
+
+ If a bind() is not called prior to the connect() call, the system
+ picks an ephemeral port and will choose an address set equivalent to
+ binding with INADDR_ANY and IN6ADDR_ANY for IPv4 and IPv6 socket
+ respectively. One of those addresses will be the primary address for
+
+
+
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+
+
+ the association. This automatically enables the multi-homing
+ capability of SCTP.
+
+ Note that SCTP allows data exchange, similar to T/TCP RFC1644
+ [RFC1644], during the association set up phase. If an application
+ wants to do this, it cannot use connect() call. Instead, it should
+ use sendto() or sendmsg() to initiate an association. If it uses
+ sendto() and it wants to change initialization behavior, it needs to
+ use the SCTP_INITMSG socket option before calling sendto(). Or it
+ can use SCTP_INIT type sendmsg() to initiate an association without
+ doing the setsockopt(). Note that some sockets implementations may
+ not support the sending of data to initiate an association with the
+ one-to-one style (implementations that do not support T/TCP normally
+ have this restriction). Implementations which allow sending of data
+ to initiate an association without calling connect() define the
+ preprocessor constant HAVE_SCTP_NOCONNECT to 1.
+
+ SCTP does not support half close semantics. This means that unlike
+ T/TCP, MSG_EOF should not be set in the flags parameter when calling
+ sendto() or sendmsg() when the call is used to initiate a connection.
+ MSG_EOF is not an acceptable flag with SCTP socket.
+
+4.1.6. close() - one-to-one style socket
+
+ Applications use close() to gracefully close down an association.
+
+ The syntax is:
+
+ int close(int sd);
+
+ sd - the socket descriptor of the association to be closed.
+
+ After an application calls close() on a socket descriptor, no further
+ socket operations will succeed on that descriptor.
+
+4.1.7. shutdown() - one-to-one style socket
+
+ SCTP differs from TCP in that it does not have half closed semantics.
+ Hence the shutdown() call for SCTP is an approximation of the TCP
+ shutdown() call, and solves some different problems. Full TCP-
+ compatibility is not provided, so developers porting TCP applications
+ to SCTP may need to recode sections that use shutdown(). (Note that
+ it is possible to achieve the same results as half close in SCTP
+ using SCTP streams.)
+
+ The syntax is:
+
+ int shutdown(int sd, int how);
+
+
+
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+
+
+ sd - the socket descriptor of the association to be closed.
+ how - Specifies the type of shutdown. The values are as follows:
+ SHUT_RD - Disables further receive operations. No SCTP protocol
+ action is taken.
+ SHUT_WR - Disables further send operations, and initiates the
+ SCTP shutdown sequence.
+ SHUT_RDWR - Disables further send and receive operations and
+ initiates the SCTP shutdown sequence.
+
+ The major difference between SCTP and TCP shutdown() is that SCTP
+ SHUT_WR initiates immediate and full protocol shutdown, whereas TCP
+ SHUT_WR causes TCP to go into the half closed state. SHUT_RD behaves
+ the same for SCTP as TCP. The purpose of SCTP SHUT_WR is to close
+ the SCTP association while still leaving the socket descriptor open,
+ so that the caller can receive back any data SCTP was unable to
+ deliver (see Section 5.3.1.4 for more information).
+
+ To perform the ABORT operation described in RFC2960 [RFC2960] section
+ 10.1, an application can use the socket option SO_LINGER. It is
+ described in Section 7.1.4.
+
+4.1.8. sendmsg() and recvmsg() - one-to-one style socket
+
+ With a one-to-one style socket, the application can also use
+ sendmsg() and recvmsg() to transmit data to and receive data from its
+ peer. The semantics is similar to those used in the one-to-many
+ style (section Section 3.1.3), with the following differences:
+
+ 1) When sending, the msg_name field in the msghdr is not used to
+ specify the intended receiver, rather it is used to indicate a
+ preferred peer address if the sender wishes to discourage the stack
+ from sending the message to the primary address of the receiver. If
+ the transport address given is not part of the current association,
+ the data will not be sent and a SCTP_SEND_FAILED event will be
+ delivered to the application if send failure events are enabled.
+
+4.1.9. getpeername()
+
+ Applications use getpeername() to retrieve the primary socket address
+ of the peer. This call is for TCP compatibility, and is not multi-
+ homed. It does not work with one-to-many style sockets. See
+ Section 8.3 for a multi-homed/one-to-many style version of the call.
+
+ The syntax is:
+
+ int getpeername(int sd, struct sockaddr *address,
+ socklen_t *len);
+
+
+
+
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+
+
+ sd - the socket descriptor to be queried.
+ address - On return, the peer primary address is stored in this
+ buffer. If the socket is an IPv4 socket, the address will be
+ IPv4. If the socket is an IPv6 socket, the address will be either
+ an IPv6 or IPv4 address.
+ len - The caller should set the length of address here. On return,
+ this is set to the length of the returned address.
+
+ If the actual length of the address is greater than the length of the
+ supplied sockaddr structure, the stored address will be truncated.
+
+
+5. Data Structures
+
+ We discuss in this section important data structures which are
+ specific to SCTP and are used with sendmsg() and recvmsg() calls to
+ control SCTP endpoint operations and to access ancillary information
+ and notifications.
+
+5.1. The msghdr and cmsghdr Structures
+
+ The msghdr structure used in the sendmsg() and recvmsg() calls, as
+ well as the ancillary data carried in the structure, is the key for
+ the application to set and get various control information from the
+ SCTP endpoint.
+
+ The msghdr and the related cmsghdr structures are defined and
+ discussed in details in RFC2292 [RFC2292]. Here we will cite their
+ definitions from RFC2292 [RFC2292].
+
+ The msghdr structure:
+
+ struct msghdr {
+ void *msg_name; /* ptr to socket address structure */
+ socklen_t msg_namelen; /* size of socket address structure */
+ struct iovec *msg_iov; /* scatter/gather array */
+ size_t msg_iovlen; /* # elements in msg_iov */
+ void *msg_control; /* ancillary data */
+ socklen_t msg_controllen; /* ancillary data buffer length */
+ int msg_flags; /* flags on received message */
+ };
+
+ The cmsghdr structure:
+
+
+
+
+
+
+
+
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+
+
+ struct cmsghdr {
+ socklen_t cmsg_len; /* #bytes, including this header */
+ int cmsg_level; /* originating protocol */
+ int cmsg_type; /* protocol-specific type */
+ /* followed by unsigned char cmsg_data[]; */
+ };
+
+ In the msghdr structure, the usage of msg_name has been discussed in
+ previous sections (see Section 3.1.3 and Section 4.1.8).
+
+ The scatter/gather buffers, or I/O vectors (pointed to by the msg_iov
+ field) are treated as a single SCTP data chunk, rather than multiple
+ chunks, for both sendmsg() and recvmsg().
+
+ The msg_flags are not used when sending a message with sendmsg().
+
+ If a notification has arrived, recvmsg() will return the notification
+ with the MSG_NOTIFICATION flag set in msg_flags. If the
+ MSG_NOTIFICATION flag is not set, recvmsg() will return data. See
+ Section 5.3 for more information about notifications.
+
+ If all portions of a data frame or notification have been read,
+ recvmsg() will return with MSG_EOR set in msg_flags.
+
+5.2. SCTP msg_control Structures
+
+ A key element of all SCTP-specific socket extensions is the use of
+ ancillary data to specify and access SCTP-specific data via the
+ struct msghdr's msg_control member used in sendmsg() and recvmsg().
+ Fine-grained control over initialization and sending parameters are
+ handled with ancillary data.
+
+ Each ancillary data item is proceeded by a struct cmsghdr (see
+ Section 5.1), which defines the function and purpose of the data
+ contained in in the cmsg_data[] member.
+
+ There are two kinds of ancillary data used by SCTP: initialization
+ data, and, header information (SNDRCV). Initialization data (one-to-
+ many style only) sets protocol parameters for new associations.
+ Section 5.2.1 provides more details. Header information can set or
+ report parameters on individual messages in a stream. See
+ Section 5.2.2 for how to use SNDRCV ancillary data.
+
+ By default on a one-to-one style socket, SCTP will pass no ancillary
+ data; on a one-to-many style socket, SCTP will only pass SCTP_SNDRCV
+ and SCTP_ASSOC_CHANGE information. Specific ancillary data items can
+ be enabled with socket options defined for SCTP; see Section 7.3.
+
+
+
+
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+
+
+ Note that all ancillary types are fixed length; see Section 5.4 for
+ further discussion on this. These data structures use struct
+ sockaddr_storage (defined in RFC2553 [RFC2553]) as a portable, fixed
+ length address format.
+
+ Other protocols may also provide ancillary data to the socket layer
+ consumer. These ancillary data items from other protocols may
+ intermingle with SCTP data. For example, the IPv6 socket API
+ definitions (RFC2292 [RFC2292] and RFC2553 [RFC2553]) define a number
+ of ancillary data items. If a socket API consumer enables delivery
+ of both SCTP and IPv6 ancillary data, they both may appear in the
+ same msg_control buffer in any order. An application may thus need
+ to handle other types of ancillary data besides that passed by SCTP.
+
+ The sockets application must provide a buffer large enough to
+ accommodate all ancillary data provided via recvmsg(). If the buffer
+ is not large enough, the ancillary data will be truncated and the
+ msghdr's msg_flags will include MSG_CTRUNC.
+
+5.2.1. SCTP Initiation Structure (SCTP_INIT)
+
+ This cmsghdr structure provides information for initializing new SCTP
+ associations with sendmsg(). The SCTP_INITMSG socket option uses
+ this same data structure. This structure is not used for recvmsg().
+
+ cmsg_level cmsg_type cmsg_data[]
+ ------------ ------------ ----------------------
+ IPPROTO_SCTP SCTP_INIT struct sctp_initmsg
+
+ Here is the definition of the sctp_initmsg structure:
+
+ struct sctp_initmsg {
+ uint16_t sinit_num_ostreams;
+ uint16_t sinit_max_instreams;
+ uint16_t sinit_max_attempts;
+ uint16_t sinit_max_init_timeo;
+ };
+
+ sinit_num_ostreams: 16 bits (unsigned integer)
+
+ This is an integer number representing the number of streams that the
+ application wishes to be able to send to. This number is confirmed
+ in the SCTP_COMM_UP notification and must be verified since it is a
+ negotiated number with the remote endpoint. The default value of 0
+ indicates to use the endpoint default value.
+
+ sinit_max_instreams: 16 bits (unsigned integer)
+
+
+
+
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+
+
+ This value represents the maximum number of inbound streams the
+ application is prepared to support. This value is bounded by the
+ actual implementation. In other words the user MAY be able to
+ support more streams than the Operating System. In such a case, the
+ Operating System limit overrides the value requested by the user.
+ The default value of 0 indicates to use the endpoints default value.
+
+ sinit_max_attempts: 16 bits (unsigned integer)
+
+ This integer specifies how many attempts the SCTP endpoint should
+ make at resending the INIT. This value overrides the system SCTP
+ 'Max.Init.Retransmits' value. The default value of 0 indicates to
+ use the endpoints default value. This is normally set to the
+ system's default 'Max.Init.Retransmit' value.
+
+ sinit_max_init_timeo: 16 bits (unsigned integer)
+
+ This value represents the largest Time-Out or RTO value (in
+ milliseconds) to use in attempting an INIT. Normally the 'RTO.Max'
+ is used to limit the doubling of the RTO upon timeout. For the INIT
+ message this value MAY override 'RTO.Max'. This value MUST NOT
+ influence 'RTO.Max' during data transmission and is only used to
+ bound the initial setup time. A default value of 0 indicates to use
+ the endpoints default value. This is normally set to the system's
+ 'RTO.Max' value (60 seconds).
+
+5.2.2. SCTP Header Information Structure (SCTP_SNDRCV)
+
+ This cmsghdr structure specifies SCTP options for sendmsg() and
+ describes SCTP header information about a received message through
+ recvmsg().
+
+ cmsg_level cmsg_type cmsg_data[]
+ ------------ ------------ ----------------------
+ IPPROTO_SCTP SCTP_SNDRCV struct sctp_sndrcvinfo
+
+ Here is the definition of sctp_sndrcvinfo:
+
+ struct sctp_sndrcvinfo {
+ uint16_t sinfo_stream;
+ uint16_t sinfo_ssn;
+ uint16_t sinfo_flags;
+ uint32_t sinfo_ppid;
+ uint32_t sinfo_context;
+ uint32_t sinfo_timetolive;
+ uint32_t sinfo_tsn;
+ uint32_t sinfo_cumtsn;
+ sctp_assoc_t sinfo_assoc_id;
+
+
+
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+
+
+ };
+
+
+ sinfo_stream: 16 bits (unsigned integer)
+
+ For recvmsg() the SCTP stack places the message's stream number in
+ this value. For sendmsg() this value holds the stream number that
+ the application wishes to send this message to. If a sender
+ specifies an invalid stream number an error indication is returned
+ and the call fails.
+
+ sinfo_ssn: 16 bits (unsigned integer)
+
+ For recvmsg() this value contains the stream sequence number that the
+ remote endpoint placed in the DATA chunk. For fragmented messages
+ this is the same number for all deliveries of the message (if more
+ than one recvmsg() is needed to read the message). The sendmsg()
+ call will ignore this parameter.
+
+ sinfo_ppid: 32 bits (unsigned integer)
+
+ This value in sendmsg() is an unsigned integer that is passed to the
+ remote end in each user message. In recvmsg() this value is the same
+ information that was passed by the upper layer in the peer
+ application. Please note that the SCTP stack performs no byte order
+ modification of this field. For example, if the DATA chunk has to
+ contain a given value in network byte order, the SCTP user has to
+ perform the htonl() computation.
+
+ sinfo_context: 32 bits (unsigned integer)
+
+ This value is an opaque 32 bit context datum that is used in the
+ sendmsg() function. This value is passed back to the upper layer if
+ a error occurs on the send of a message and is retrieved with each
+ undelivered message (Note: if a endpoint has done multiple sends, all
+ of which fail, multiple different sinfo_context values will be
+ returned. One with each user data message).
+
+ sinfo_flags: 16 bits (unsigned integer)
+
+ This field may contain any of the following flags and is composed of
+ a bitwise OR of these values.
+
+ recvmsg() flags:
+
+
+
+
+
+
+
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+
+
+ SCTP_UNORDERED - This flag is present when the message was sent non-
+ ordered.
+
+
+ sendmsg() flags:
+ SCTP_UNORDERED - This flag requests the un-ordered delivery of the
+ message. If this flag is clear the datagram is considered an
+ ordered send.
+
+ SCTP_ADDR_OVER - This flag, in the one-to-many style, requests the
+ SCTP stack to override the primary destination address with the
+ address found with the sendto/sendmsg call.
+
+ SCTP_ABORT - Setting this flag causes the specified association to
+ abort by sending an ABORT message to the peer (one-to-many style
+ only). The ABORT chunk will contain an error cause 'User
+ Initiated Abort' with cause code 12. The cause specific
+ information of this error cause is provided in msg_iov.
+
+ SCTP_EOF - Setting this flag invokes the SCTP graceful shutdown
+ procedures on the specified association. Graceful shutdown
+ assures that all data enqueued by both endpoints is successfully
+ transmitted before closing the association (one-to-many style
+ only).
+
+ SCTP_SENDALL - This flag, if set, will cause a one-to-many model
+ socket to send the message to all associations that are currently
+ established on this socket. For the one-to-one socket, this flag
+ has no effect.
+
+
+ sinfo_timetolive: 32 bit (unsigned integer)
+
+ For the sending side, this field contains the message time to live in
+ milliseconds. The sending side will expire the message within the
+ specified time period if the message as not been sent to the peer
+ within this time period. This value will override any default value
+ set using any socket option. Also note that the value of 0 is
+ special in that it indicates no timeout should occur on this message.
+
+ sinfo_tsn: 32 bit (unsigned integer)
+
+ For the receiving side, this field holds a TSN that was assigned to
+ one of the SCTP Data Chunks.
+
+ sinfo_cumtsn: 32 bit (unsigned integer)
+
+ This field will hold the current cumulative TSN as known by the
+
+
+
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+
+
+ underlying SCTP layer. Note this field is ignored when sending and
+ only valid for a receive operation when sinfo_flags are set to
+ SCTP_UNORDERED.
+
+ sinfo_assoc_id: sizeof (sctp_assoc_t)
+
+ The association handle field, sinfo_assoc_id, holds the identifier
+ for the association announced in the SCTP_COMM_UP notification. All
+ notifications for a given association have the same identifier.
+ Ignored for one-to-one style sockets.
+
+ A sctp_sndrcvinfo item always corresponds to the data in msg_iov.
+
+5.2.3. Extended SCTP Header Information Structure (SCTP_EXTRCV)
+
+ This cmsghdr structure specifies SCTP options for SCTP header
+ information about a received message via recvmsg(). Note that this
+ structure is an extended version of SCTP_SNDRCV and will only be
+ received if the user has set the socket option SCTP_USE_EXT_RCVINFO
+ to true in addition to any event subscription needed to receive
+ ancillary data..
+
+ cmsg_level cmsg_type cmsg_data[]
+ ------------ ------------ ----------------------
+ IPPROTO_SCTP SCTP_SNDRCV struct sctp_sndrcvinfo
+
+ Here is the definition of sctp_sndrcvinfo:
+
+ struct sctp_extrcvinfo {
+ uint16_t sinfo_stream;
+ uint16_t sinfo_ssn;
+ uint16_t sinfo_flags;
+ uint32_t sinfo_ppid;
+ uint32_t sinfo_context;
+ uint32_t sinfo_timetolive;
+ uint32_t sinfo_tsn;
+ uint32_t sinfo_cumtsn;
+ sctp_assoc_t sinfo_assoc_id;
+ uint16_t next_flags;
+ uint16_t next_stream;
+ uint32_t next_asocid;
+ uint32_t next_length;
+ uint32_t next_ppid;
+ };
+
+
+ sinfo_stream: 16 bits (unsigned integer)
+
+
+
+
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+
+
+ For recvmsg() the SCTP stack places the message's stream number in
+ this value. For sendmsg() this value holds the stream number that
+ the application wishes to send this message to. If a sender
+ specifies an invalid stream number an error indication is returned
+ and the call fails.
+
+ sinfo_ssn: 16 bits (unsigned integer)
+
+ For recvmsg() this value contains the stream sequence number that the
+ remote endpoint placed in the DATA chunk. For fragmented messages
+ this is the same number for all deliveries of the message (if more
+ than one recvmsg() is needed to read the message). The sendmsg()
+ call will ignore this parameter.
+
+ sinfo_ppid: 32 bits (unsigned integer)
+
+ This value in sendmsg() is an unsigned integer that is passed to the
+ remote end in each user message. In recvmsg() this value is the same
+ information that was passed by the upper layer in the peer
+ application. Please note that the SCTP stack performs no byte order
+ modification of this field. For example, if the DATA chunk has to
+ contain a given value in network byte order, the SCTP user has to
+ perform the htonl() computation.
+
+ sinfo_context: 32 bits (unsigned integer)
+
+ This value is an opaque 32 bit context datum that is used in the
+ sendmsg() function. This value is passed back to the upper layer if
+ a error occurs on the send of a message and is retrieved with each
+ undelivered message (Note: if a endpoint has done multiple sends, all
+ of which fail, multiple different sinfo_context values will be
+ returned. One with each user data message).
+
+ sinfo_flags: 16 bits (unsigned integer)
+
+ This field may contain any of the following flags and is composed of
+ a bitwise OR of these values.
+
+ recvmsg() flags:
+ SCTP_UNORDERED - This flag is present when the message was sent non-
+ ordered.
+
+ sendmsg() flags:
+ SCTP_UNORDERED - This flag requests the un-ordered delivery of the
+ message. If this flag is clear the datagram is considered an
+ ordered send.
+
+
+
+
+
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+
+
+ SCTP_ADDR_OVER - This flag, in the one-to-many style, requests the
+ SCTP stack to override the primary destination address with the
+ address found with the sendto/sendmsg call.
+
+ SCTP_ABORT - Setting this flag causes the specified association to
+ abort by sending an ABORT message to the peer (one-to-many style
+ only). The ABORT chunk will contain an error cause 'User
+ Initiated Abort' with cause code 12. The cause specific
+ information of this error cause is provided in msg_iov.
+
+ SCTP_EOF - Setting this flag invokes the SCTP graceful shutdown
+ procedures on the specified association. Graceful shutdown
+ assures that all data enqueued by both endpoints is successfully
+ transmitted before closing the association (one-to-many style
+ only).
+
+ SCTP_SENDALL - This flag, if set, will cause a one-to-many model
+ socket to send the message to all associations that are currently
+ established on this socket. For the one-to-one socket, this flag
+ has no effect.
+ SCTP_EOR - This flag, if set, will indicate that this send
+ terminates the record.
+
+ sinfo_timetolive: 32 bit (unsigned integer)
+
+ For the sending side, this field contains the message time to live in
+ milliseconds. The sending side will expire the message within the
+ specified time period if the message as not been sent to the peer
+ within this time period. This value will override any default value
+ set using any socket option. Also note that the value of 0 is
+ special in that it indicates no timeout should occur on this message.
+
+ sinfo_tsn: 32 bit (unsigned integer)
+
+ For the receiving side, this field holds a TSN that was assigned to
+ one of the SCTP Data Chunks.
+
+ sinfo_cumtsn: 32 bit (unsigned integer)
+
+ This field will hold the current cumulative TSN as known by the
+ underlying SCTP layer. Note this field is ignored when sending and
+ only valid for a receive operation when sinfo_flags are set to
+ SCTP_UNORDERED.
+
+ sinfo_assoc_id: sizeof (sctp_assoc_t)
+
+ The association handle field, sinfo_assoc_id, holds the identifier
+ for the association announced in the SCTP_COMM_UP notification. All
+
+
+
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+
+
+ notifications for a given association have the same identifier.
+ Ignored for one-to-one style sockets.
+
+ A sctp_sndrcvinfo item always corresponds to the data in msg_iov.
+
+ next_flags: 16 bit (unsigned integer)
+
+ This bitmask will hold one or more of the following values:
+ SCTP_NEXT_MSG_AVAIL - This bit, when set to 1, indicates that next
+ message information is available i.e.: next_stream, next_asocid,
+ next_length and next_ppid fields all have valid values. If this
+ bit is set to 0, then these fields are not valid and should be
+ ignored.
+
+ SCTP_NEXT_MSG_ISCOMPLETE - This bit, when set, indicates that the
+ next message is completely in the receive buffer. The next_length
+ field thus contains the entire message size. If this flag is set
+ to 0, then the next_length field only contains part of the message
+ size since the message is still being received (it is being
+ partially delivered).
+
+ SCTP_NEXT_MSG_IS_UNORDERED - This bit, when set, indicates that the
+ next message to be received was sent by the peer as unordered. If
+ this bit is not set (i.e the bit is 0) the next message to be read
+ is an ordered message in the stream specified.
+
+ next_stream: 16 bit (unsigned integer)
+
+ This value, when valid (see next_flags), contains the next stream
+ number that will be received on a subsequent call to one of the
+ receive message functions.
+
+ next_asocid: 32 bit (unsigned integer)
+
+ This value, when valid (see next_flags), contains the next
+ association identification that will be received on a subsequent call
+ to one of the receive message functions.
+
+ next_length: 32 bit (unsigned integer)
+
+ This value, when valid (see next_flags), contains the length of the
+ next message that will be received on a subsequent call to one of the
+ receive message functions. Note that this length may be a partial
+ length depending on the settings of next_flags.
+
+ next_ppid: 32 bit (unsigned integer)
+
+ This value, when valid (see next_flags), contains the ppid of the
+
+
+
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+
+
+ next message that will be received on a subsequent call to one of the
+ receive message functions.
+
+5.3. SCTP Events and Notifications
+
+ An SCTP application may need to understand and process events and
+ errors that happen on the SCTP stack. These events include network
+ status changes, association startups, remote operational errors and
+ undeliverable messages. All of these can be essential for the
+ application.
+
+ When an SCTP application layer does a recvmsg() the message read is
+ normally a data message from a peer endpoint. If the application
+ wishes to have the SCTP stack deliver notifications of non-data
+ events, it sets the appropriate socket option for the notifications
+ it wants. See Section 7.3 for these socket options. When a
+ notification arrives, recvmsg() returns the notification in the
+ application-supplied data buffer via msg_iov, and sets
+ MSG_NOTIFICATION in msg_flags.
+
+ This section details the notification structures. Every notification
+ structure carries some common fields which provides general
+ information.
+
+ A recvmsg() call will return only one notification at a time. Just
+ as when reading normal data, it may return part of a notification if
+ the msg_iov buffer is not large enough. If a single read is not
+ sufficient, msg_flags will have MSG_EOR clear. The user MUST finish
+ reading the notification before subsequent data can arrive.
+
+5.3.1. SCTP Notification Structure
+
+ The notification structure is defined as the union of all
+ notification types.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+ union sctp_notification {
+ struct {
+ uint16_t sn_type; /* Notification type. */
+ uint16_t sn_flags;
+ uint32_t sn_length;
+ } sn_header;
+ struct sctp_assoc_change sn_assoc_change;
+ struct sctp_paddr_change sn_paddr_change;
+ struct sctp_remote_error sn_remote_error;
+ struct sctp_send_failed sn_send_failed;
+ struct sctp_shutdown_event sn_shutdown_event;
+ struct sctp_adaptation_event sn_adaptation_event;
+ struct sctp_pdapi_event sn_pdapi_event;
+ struct sctp_authkey_event sn_auth_event;
+ };
+
+
+ sn_type: 16 bits (unsigned integer)
+
+ The following list describes the SCTP notification and event types
+ for the field sn_type.
+
+ SCTP_ASSOC_CHANGE: This tag indicates that an association has either
+ been opened or closed. Refer to Section 5.3.1.1 for details.
+ SCTP_PEER_ADDR_CHANGE: This tag indicates that an address that is
+ part of an existing association has experienced a change of state
+ (e.g. a failure or return to service of the reachability of a
+ endpoint via a specific transport address). Please see
+ Section 5.3.1.2 for data structure details.
+ SCTP_REMOTE_ERROR: The attached error message is an Operational
+ Error received from the remote peer. It includes the complete TLV
+ sent by the remote endpoint. See Section 5.3.1.3 for the detailed
+ format.
+ SCTP_SEND_FAILED: The attached datagram could not be sent to the
+ remote endpoint. This structure includes the original
+ SCTP_SNDRCVINFO that was used in sending this message i.e. this
+ structure uses the sctp_sndrecvinfo per Section 5.3.1.4.
+ SCTP_SHUTDOWN_EVENT: The peer has sent a SHUTDOWN. No further data
+ should be sent on this socket.
+ SCTP_ADAPTATION_INDICATION: This notification holds the peers
+ indicated adaptation layer. Please see Section 5.3.1.6.
+ SCTP_PARTIAL_DELIVERY_EVENT: This notification is used to tell a
+ receiver that the partial delivery has been aborted. This may
+ indicate the association is about to be aborted. Please see
+ Section 5.3.1.7
+
+
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 32]
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+
+
+ SCTP_AUTHENTICATION_EVENT: This notification is used to tell a
+ receiver that either an error occurred on authentication, or a new
+ key was made active. Section 5.3.1.8
+
+ All standard values for sn_type are greater than 2^15. Values from
+ 2^15 and down are reserved.
+
+ sn_flags: 16 bits (unsigned integer)
+
+ These are notification-specific flags.
+
+ sn_length: 32 bits (unsigned integer)
+
+ This is the length of the whole sctp_notification structure including
+ the sn_type, sn_flags, and sn_length fields.
+
+5.3.1.1. SCTP_ASSOC_CHANGE
+
+ Communication notifications inform the ULP that an SCTP association
+ has either begun or ended. The identifier for a new association is
+ provided by this notification. The notification information has the
+ following format:
+
+ struct sctp_assoc_change {
+ uint16_t sac_type;
+ uint16_t sac_flags;
+ uint32_t sac_length;
+ uint16_t sac_state;
+ uint16_t sac_error;
+ uint16_t sac_outbound_streams;
+ uint16_t sac_inbound_streams;
+ sctp_assoc_t sac_assoc_id;
+ uint8_t sac_info[0];
+ };
+
+ sac_type:
+
+ It should be SCTP_ASSOC_CHANGE.
+
+ sac_flags: 16 bits (unsigned integer)
+
+ Currently unused.
+
+ sac_length: 32 bits (unsigned integer)
+
+ This field is the total length of the notification data, including
+ the notification header.
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 33]
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+
+
+ sac_state: 16 bits (signed integer)
+
+ This field holds one of a number of values that communicate the event
+ that happened to the association. They include:
+
+ Event Name Description
+
+ ---------------- ---------------
+
+ SCTP_COMM_UP - A new association is now ready and data may be
+ exchanged with this peer.
+ SCTP_COMM_LOST - The association has failed. The association is now
+ in the closed state. If SEND FAILED notifications are turned on,
+ a SCTP_COMM_LOST is followed by a series of SCTP_SEND_FAILED
+ events, one for each outstanding message.
+ SCTP_RESTART - SCTP has detected that the peer has restarted.
+ SCTP_SHUTDOWN_COMP - The association has gracefully closed.
+ SCTP_CANT_STR_ASSOC - The association failed to setup. If non
+ blocking mode is set and data was sent (in the udp mode), a
+ SCTP_CANT_STR_ASSOC is followed by a series of SCTP_SEND_FAILED
+ events, one for each outstanding message.
+
+ sac_error: 16 bits (signed integer)
+
+ If the state was reached due to a error condition (e.g.
+ SCTP_COMM_LOST) any relevant error information is available in this
+ field. This corresponds to the protocol error codes defined in
+ RFC2960 [RFC2960].
+
+ sac_outbound_streams: 16 bits (unsigned integer)
+
+ sac_inbound_streams: 16 bits (unsigned integer)
+
+ The maximum number of streams allowed in each direction are available
+ in sac_outbound_streams and sac_inbound streams.
+
+ sac_assoc_id: sizeof (sctp_assoc_t)
+
+ The association id field, holds the identifier for the association.
+ All notifications for a given association have the same association
+ identifier. For one-to-one style socket, this field is ignored.
+
+ sac_info: variable
+
+ If the sac_state is SCTP_COMM_LOST and an ABORT chunk was received
+ for this association, sac_info[] contains the complete ABORT chunk as
+ defined in the SCTP specification RFC2960 [RFC2960] section 3.3.7.
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 34]
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+
+
+5.3.1.2. SCTP_PEER_ADDR_CHANGE
+
+ When a destination address on a multi-homed peer encounters a change
+ an interface details event is sent. The information has the
+ following structure:
+
+
+ struct sctp_paddr_change {
+ uint16_t spc_type;
+ uint16_t spc_flags;
+ uint32_t spc_length;
+ struct sockaddr_storage spc_aaddr;
+ uint32_t spc_state;
+ uint32_t spc_error;
+ sctp_assoc_t spc_assoc_id;
+ }
+
+ spc_type:
+
+ It should be SCTP_PEER_ADDR_CHANGE.
+
+ spc_flags: 16 bits (unsigned integer)
+
+ Currently unused.
+
+ spc_length: 32 bits (unsigned integer)
+
+ This field is the total length of the notification data, including
+ the notification header.
+
+ spc_aaddr: sizeof (struct sockaddr_storage)
+
+ The affected address field, holds the remote peer's address that is
+ encountering the change of state.
+
+ spc_state: 32 bits (signed integer)
+
+ This field holds one of a number of values that communicate the event
+ that happened to the address. They include:
+
+ Event Name Description
+
+ ---------------- ---------------
+
+
+
+
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 35]
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+
+
+ SCTP_ADDR_AVAILABLE - This address is now reachable.
+ SCTP_ADDR_UNREACHABLE - The address specified can no longer be
+ reached. Any data sent to this address is rerouted to an
+ alternate until this address becomes reachable.
+ SCTP_ADDR_REMOVED - The address is no longer part of the
+ association.
+ SCTP_ADDR_ADDED - The address is now part of the association.
+ SCTP_ADDR_MADE_PRIM - This address has now been made to be the
+ primary destination address.
+ SCTP_ADDR_CONFIRMED - This address has now been confirmed as a valid
+ address.
+
+ spc_error: 32 bits (signed integer)
+
+ If the state was reached due to any error condition (e.g.
+ SCTP_ADDR_UNREACHABLE) any relevant error information is available in
+ this field.
+
+ spc_assoc_id: sizeof (sctp_assoc_t)
+
+ The association id field, holds the identifier for the association.
+ All notifications for a given association have the same association
+ identifier. For one-to-one style socket, this field is ignored.
+
+5.3.1.3. SCTP_REMOTE_ERROR
+
+ A remote peer may send an Operational Error message to its peer.
+ This message indicates a variety of error conditions on an
+ association. The entire ERROR chunk as it appears on the wire is
+ included in a SCTP_REMOTE_ERROR event. Please refer to the SCTP
+ specification RFC2960 [RFC2960] and any extensions for a list of
+ possible error formats. SCTP error notifications have the format:
+
+
+ struct sctp_remote_error {
+ uint16_t sre_type;
+ uint16_t sre_flags;
+ uint32_t sre_length;
+ uint16_t sre_error;
+ sctp_assoc_t sre_assoc_id;
+ uint8_t sre_data[0];
+ };
+
+
+ sre_type:
+
+ It should be SCTP_REMOTE_ERROR.
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 36]
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+
+
+ sre_flags: 16 bits (unsigned integer)
+
+ Currently unused.
+
+ sre_length: 32 bits (unsigned integer)
+
+ This field is the total length of the notification data, including
+ the notification header and the contents of sre_data.
+
+ sre_error: 16 bits (unsigned integer)
+
+ This value represents one of the Operational Error causes defined in
+ the SCTP specification, in network byte order.
+
+ sre_assoc_id: sizeof (sctp_assoc_t)
+
+ The association id field, holds the identifier for the association.
+ All notifications for a given association have the same association
+ identifier. For one-to-one style socket, this field is ignored.
+
+ sre_data: variable
+
+ This contains the ERROR chunk as defined in the SCTP specification
+ RFC2960 [RFC2960] section 3.3.10.
+
+5.3.1.4. SCTP_SEND_FAILED
+
+ If SCTP cannot deliver a message it may return the message as a
+ notification.
+
+
+ struct sctp_send_failed {
+ uint16_t ssf_type;
+ uint16_t ssf_flags;
+ uint32_t ssf_length;
+ uint32_t ssf_error;
+ struct sctp_sndrcvinfo ssf_info;
+ sctp_assoc_t ssf_assoc_id;
+ uint8_t ssf_data[0];
+ };
+
+
+ ssf_type:
+
+ It should be SCTP_SEND_FAILED.
+
+ ssf_flags: 16 bits (unsigned integer)
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 37]
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+
+
+ The flag value will take one of the following values:
+
+ SCTP_DATA_UNSENT - Indicates that the data was never put on the
+ wire.
+ SCTP_DATA_SENT - Indicates that the data was put on the wire. Note
+ that this does not necessarily mean that the data was (or was not)
+ successfully delivered.
+
+ ssf_length: 32 bits (unsigned integer)
+
+ This field is the total length of the notification data, including
+ the notification header and the payload in ssf_data.
+
+ ssf_error: 16 bits (unsigned integer)
+
+ This value represents the reason why the send failed, and if set,
+ will be a SCTP protocol error code as defined in RFC2960 [RFC2960]
+ section 3.3.10.
+
+ ssf_info: sizeof (struct sctp_sndrcvinfo)
+
+ The original send information associated with the undelivered
+ message.
+
+ ssf_assoc_id: sizeof (sctp_assoc_t)
+
+ The association id field, sf_assoc_id, holds the identifier for the
+ association. All notifications for a given association have the same
+ association identifier. For one-to-one style socket, this field is
+ ignored.
+
+ ssf_data: variable length
+
+ The undelivered message, exactly as delivered by the caller to the
+ original send*() call.
+
+5.3.1.5. SCTP_SHUTDOWN_EVENT
+
+ When a peer sends a SHUTDOWN, SCTP delivers this notification to
+ inform the application that it should cease sending data.
+
+ struct sctp_shutdown_event {
+ uint16_t sse_type;
+ uint16_t sse_flags;
+ uint32_t sse_length;
+ sctp_assoc_t sse_assoc_id;
+ };
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 38]
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+
+
+ sse_type
+
+ It should be SCTP_SHUTDOWN_EVENT
+
+ sse_flags: 16 bits (unsigned integer)
+
+ Currently unused.
+
+ sse_length: 32 bits (unsigned integer)
+
+ This field is the total length of the notification data, including
+ the notification header. It will generally be sizeof (struct
+ sctp_shutdown_event).
+
+ sse_flags: 16 bits (unsigned integer)
+
+ Currently unused.
+
+ sse_assoc_id: sizeof (sctp_assoc_t)
+
+ The association id field, holds the identifier for the association.
+ All notifications for a given association have the same association
+ identifier. For one-to-one style socket, this field is ignored.
+
+5.3.1.6. SCTP_ADAPTATION_INDICATION
+
+ When a peer sends a Adaptation Layer Indication parameter , SCTP
+ delivers this notification to inform the application that of the
+ peers requested adaptation layer.
+
+ struct sctp_adaptation_event {
+ uint16_t sai_type;
+ uint16_t sai_flags;
+ uint32_t sai_length;
+ uint32_t sai_adaptation_ind;
+ sctp_assoc_t sai_assoc_id;
+ };
+
+ sai_type
+
+ It should be SCTP_ADAPTATION_INDICATION
+
+ sai_flags: 16 bits (unsigned integer)
+
+ Currently unused.
+
+ sai_length: 32 bits (unsigned integer)
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 39]
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+
+
+ This field is the total length of the notification data, including
+ the notification header. It will generally be sizeof (struct
+ sctp_adaptation_event).
+
+ sai_adaptation_ind: 32 bits (unsigned integer)
+
+ This field holds the bit array sent by the peer in the adaptation
+ layer indication parameter. The bits are in network byte order.
+
+ sai_assoc_id: sizeof (sctp_assoc_t)
+
+ The association id field, holds the identifier for the association.
+ All notifications for a given association have the same association
+ identifier. For one-to-one style socket, this field is ignored.
+
+5.3.1.7. SCTP_PARTIAL_DELIVERY_EVENT
+
+ When a receiver is engaged in a partial delivery of a message this
+ notification will be used to indicate various events.
+
+ struct sctp_pdapi_event {
+ uint16_t pdapi_type;
+ uint16_t pdapi_flags;
+ uint32_t pdapi_length;
+ uint32_t pdapi_indication;
+ sctp_assoc_t pdapi_assoc_id;
+ };
+
+ pdapi_type
+
+ It should be SCTP_PARTIAL_DELIVERY_EVENT
+
+ pdapi_flags: 16 bits (unsigned integer)
+
+ Currently unused.
+
+ pdapi_length: 32 bits (unsigned integer)
+
+ This field is the total length of the notification data, including
+ the notification header. It will generally be sizeof (struct
+ sctp_pdapi_event).
+
+ pdapi_indication: 32 bits (unsigned integer)
+
+ This field holds the indication being sent to the application
+ possible values include:
+
+ SCTP_PARTIAL_DELIVERY_ABORTED
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 40]
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+
+
+ pdapi_assoc_id: sizeof (sctp_assoc_t)
+
+ The association id field, holds the identifier for the association.
+ All notifications for a given association have the same association
+ identifier. For one-to-one style socket, this field is ignored.
+
+5.3.1.8. SCTP_AUTHENTICATION_EVENT
+
+ When a receiver is using authentication this message will provide
+ notifications regarding new keys being made active as well as errors.
+
+ struct sctp_authkey_event {
+ uint16_t auth_type;
+ uint16_t auth_flags;
+ uint32_t auth_length;
+ uint16_t auth_keynumber;
+ uint16_t auth_altkeynumber;
+ uint32_t auth_indication;
+ sctp_assoc_t auth_assoc_id;
+ };
+
+ auth_type
+
+ It should be SCTP_AUTHENTICATION_EVENT
+
+ auth_flags: 16 bits (unsigned integer)
+
+ Currently unused.
+
+ auth_length: 32 bits (unsigned integer)
+
+ This field is the total length of the notification data, including
+ the notification header. It will generally be sizeof (struct
+ sctp_authkey_event).
+
+ auth_keynumber: 32 bits (unsigned integer)
+
+ This field holds the keynumber set by the user for the effected key.
+ If more than one key is involved, this will contain one of the keys
+ involved in the notification.
+
+ auth_altkeynumber: 32 bits (unsigned integer)
+
+ This field holds an alternate keynumber which is used by some
+ notifications.
+
+ auth_indication: 32 bits (unsigned integer)
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 41]
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+
+
+ This field hold the error or indication being reported. The
+ following values are currently defined:
+ SCTP_AUTH_NEWKEY - this report indicates that a new key has been
+ made active (used for the first time by the peer) and is now the
+ active key. The auth_keynumber field holds the user specified key
+ number.
+
+ auth_assoc_id: sizeof (sctp_assoc_t)
+
+ The association id field, holds the identifier for the association.
+ All notifications for a given association have the same association
+ identifier.
+
+5.4. Ancillary Data Considerations and Semantics
+
+ Programming with ancillary socket data contains some subtleties and
+ pitfalls, which are discussed below.
+
+5.4.1. Multiple Items and Ordering
+
+ Multiple ancillary data items may be included in any call to
+ sendmsg() or recvmsg(); these may include multiple SCTP or non-SCTP
+ items, or both.
+
+ The ordering of ancillary data items (either by SCTP or another
+ protocol) is not significant and is implementation-dependent, so
+ applications must not depend on any ordering.
+
+ SCTP_SNDRCV items must always correspond to the data in the msghdr's
+ msg_iov member. There can be only a single SCTP_SNDRCV info for each
+ sendmsg() or recvmsg() call.
+
+5.4.2. Accessing and Manipulating Ancillary Data
+
+ Applications can infer the presence of data or ancillary data by
+ examining the msg_iovlen and msg_controllen msghdr members,
+ respectively.
+
+ Implementations may have different padding requirements for ancillary
+ data, so portable applications should make use of the macros
+ CMSG_FIRSTHDR, CMSG_NXTHDR, CMSG_DATA, CMSG_SPACE, and CMSG_LEN. See
+ RFC2292 [RFC2292] and your SCTP implementation's documentation for
+ more information. Following is an example, from RFC2292 [RFC2292],
+ demonstrating the use of these macros to access ancillary data:
+
+
+
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 42]
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+
+
+ struct msghdr msg;
+ struct cmsghdr *cmsgptr;
+
+ /* fill in msg */
+
+ /* call recvmsg() */
+
+ for (cmsgptr = CMSG_FIRSTHDR(&msg); cmsgptr != NULL;
+ cmsgptr = CMSG_NXTHDR(&msg, cmsgptr)) {
+ if (cmsgptr->cmsg_level == ... && cmsgptr->cmsg_type == ... ) {
+ u_char *ptr;
+
+ ptr = CMSG_DATA(cmsgptr);
+ /* process data pointed to by ptr */
+ }
+ }
+
+5.4.3. Control Message Buffer Sizing
+
+ The information conveyed via SCTP_SNDRCV events will often be
+ fundamental to the correct and sane operation of the sockets
+ application. This is particularly true of the one-to-many semantics,
+ but also of the one-ton-one semantics. For example, if an
+ application needs to send and receive data on different SCTP streams,
+ SCTP_SNDRCV events are indispensable.
+
+ Given that some ancillary data is critical, and that multiple
+ ancillary data items may appear in any order, applications should be
+ carefully written to always provide a large enough buffer to contain
+ all possible ancillary data that can be presented by recvmsg(). If
+ the buffer is too small, and crucial data is truncated, it may pose a
+ fatal error condition.
+
+ Thus it is essential that applications be able to deterministically
+ calculate the maximum required buffer size to pass to recvmsg(). One
+ constraint imposed on this specification that makes this possible is
+ that all ancillary data definitions are of a fixed length. One way
+ to calculate the maximum required buffer size might be to take the
+ sum the sizes of all enabled ancillary data item structures, as
+ calculated by CMSG_SPACE. For example, if we enabled
+ SCTP_SNDRCV_INFO and IPV6_RECVPKTINFO RFC2292 [RFC2292], we would
+ calculate and allocate the buffer size as follows:
+
+
+
+
+
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 43]
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+
+
+ size_t total;
+ void *buf;
+
+ total = CMSG_SPACE(sizeof (struct sctp_sndrcvinfo)) +
+ CMSG_SPACE(sizeof (struct in6_pktinfo));
+
+ buf = malloc(total);
+
+ We could then use this buffer for msg_control on each call to
+ recvmsg() and be assured that we would not lose any ancillary data to
+ truncation.
+
+
+6. Common Operations for Both Styles
+
+6.1. send(), recv(), sendto(), recvfrom()
+
+ Applications can use send() and sendto() to transmit data to the peer
+ of an SCTP endpoint. recv() and recvfrom() can be used to receive
+ data from the peer.
+
+ The syntax is:
+
+ ssize_t send(int sd, const void *msg, size_t len, int flags);
+ ssize_t sendto(int sd, const void *msg, size_t len, int flags,
+ const struct sockaddr *to, socklen_t tolen);
+ ssize_t recv(int sd, void *buf, size_t len, int flags);
+ ssize_t recvfrom(int sd, void *buf, size_t len, int flags,
+ struct sockaddr *from, socklen_t *fromlen);
+
+ sd - the socket descriptor of an SCTP endpoint.
+ msg - the message to be sent.
+ len - the size of the message or the size of buffer.
+ to - one of the peer addresses of the association to be used to send
+ the message.
+ tolen - the size of the address.
+ buf - the buffer to store a received message.
+ from - the buffer to store the peer address used to send the
+ received message.
+ fromlen - the size of the from address
+ flags - (described below).
+
+ These calls give access to only basic SCTP protocol features. If
+ either peer in the association uses multiple streams, or sends
+ unordered data these calls will usually be inadequate, and may
+ deliver the data in unpredictable ways.
+
+ SCTP has the concept of multiple streams in one association. The
+
+
+
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+
+
+ above calls do not allow the caller to specify on which stream a
+ message should be sent. The system uses stream 0 as the default
+ stream for send() and sendto(). recv() and recvfrom() return data
+ from any stream, but the caller can not distinguish the different
+ streams. This may result in data seeming to arrive out of order.
+ Similarly, if a data chunk is sent unordered, recv() and recvfrom()
+ provide no indication.
+
+ SCTP is message based. The msg buffer above in send() and sendto()
+ is considered to be a single message. This means that if the caller
+ wants to send a message which is composed by several buffers, the
+ caller needs to combine them before calling send() or sendto().
+ Alternately, the caller can use sendmsg() to do that without
+ combining them. recv() and recvfrom() cannot distinguish message
+ boundaries.
+
+ In receiving, if the buffer supplied is not large enough to hold a
+ complete message, the receive call acts like a stream socket and
+ returns as much data as will fit in the buffer.
+
+ Note, the send() and recv() calls may not be used for a one-to-many
+ style socket.
+
+ Note, if an application calls a send function with no user data and
+ no ancillary data the SCTP implementation should reject the request
+ with an appropriate error message. An implementation is NOT allowed
+ to send a Data chunk with no user data RFC2960 [RFC2960].
+
+6.2. setsockopt(), getsockopt()
+
+ Applications use setsockopt() and getsockopt() to set or retrieve
+ socket options. Socket options are used to change the default
+ behavior of sockets calls. They are described in Section 7
+
+ The syntax is:
+
+ ret = getsockopt(int sd, int level, int optname, void *optval,
+ socklen_t *optlen);
+ ret = setsockopt(int sd, int level, int optname, const void *optval,
+ socklen_t optlen);
+
+
+ sd - the socket descriptor.
+ level - set to IPPROTO_SCTP for all SCTP options.
+
+
+
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 45]
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+
+
+ optname - the option name.
+ optval - the buffer to store the value of the option.
+ optlen - the size of the buffer (or the length of the option
+ returned).
+
+ All socket options set on a 1-to-1 listening sockets also apply all
+ accepted sockets. All socket options set on a 1-to-many socket using
+ the assoc_id 0 applies for all future assocs on the socket.
+
+6.3. read() and write()
+
+ Applications can use read() and write() to send and receive data to
+ and from peer. They have the same semantics as send() and recv()
+ except that the flags parameter cannot be used.
+
+ Note, these calls, when used in the one-to-many style, may only be
+ used with branched off socket descriptors (see Section 8.2).
+
+6.4. getsockname()
+
+ Applications use getsockname() to retrieve the locally-bound socket
+ address of the specified socket. This is especially useful if the
+ caller let SCTP chose a local port. This call is for where the
+ endpoint is not multi-homed. It does not work well with multi-homed
+ sockets. See Section 8.5 for a multi-homed version of the call.
+
+ The syntax is:
+
+ int getsockname(int sd, struct sockaddr *address,
+ socklen_t *len);
+
+ sd - the socket descriptor to be queried.
+ address - On return, one locally bound address (chosen by the SCTP
+ stack) is stored in this buffer. If the socket is an IPv4 socket,
+ the address will be IPv4. If the socket is an IPv6 socket, the
+ address will be either an IPv6 or IPv4 address.
+ len - The caller should set the length of address here. On return,
+ this is set to the length of the returned address.
+
+ If the actual length of the address is greater than the length of the
+ supplied sockaddr structure, the stored address will be truncated.
+
+ If the socket has not been bound to a local name, the value stored in
+ the object pointed to by address is unspecified.
+
+
+
+
+
+
+
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+
+
+7. Socket Options
+
+ The following sub-section describes various SCTP level socket options
+ that are common to both styles. SCTP associations can be multi-
+ homed. Therefore, certain option parameters include a
+ sockaddr_storage structure to select which peer address the option
+ should be applied to.
+
+ For the one-to-many style sockets, an sctp_assoc_t structure
+ (association ID) is used to identify the the association instance
+ that the operation affects. So it must be set when using this style.
+
+ For the one-to-one style sockets and branched off one-to-many style
+ sockets (see Section 8.2) this association ID parameter is ignored.
+
+ Note that socket or IP level options are set or retrieved per socket.
+ This means that for one-to-many style sockets, those options will be
+ applied to all associations belonging to the socket. And for one-to-
+ one style, those options will be applied to all peer addresses of the
+ association controlled by the socket. Applications should be very
+ careful in setting those options.
+
+ For some IP stacks getsockopt() is read-only; so a new interface will
+ be needed when information must be passed both in to and out of the
+ SCTP stack. The syntax for sctp_opt_info() is,
+
+ int sctp_opt_info(int sd,
+ sctp_assoc_t id,
+ int opt,
+ void *arg,
+ socklen_t *size);
+
+ The sctp_opt_info() call is a replacement for getsockopt() only and
+ will not set any options associated with the specified socket. A
+ setsockopt() must be used to set any writeable option.
+
+ For one-to-many style sockets, id specifies the association to query.
+ For one-to-one style sockets, id is ignored.
+
+ opt specifies which SCTP socket option to get. It can get any socket
+ option currently supported that requests information (either read/
+ write options or read only) such as:
+ SCTP_RTOINFO
+ SCTP_ASSOCINFO
+
+
+
+
+
+
+
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+
+
+ SCTP_DEFAULT_SEND_PARAM
+ SCTP_GET_PEER_ADDR_INFO
+ SCTP_PRIMARY_ADDR
+ SCTP_PEER_ADDR_PARAMS
+ SCTP_STATUS
+ SCTP_AUTH_ACTIVE_KEY
+ SCTP_PEER_AUTH_CHUNKS
+ SCTP_LOCAL_AUTH_CHUNKS
+
+ arg is an option-specific structure buffer provided by the caller.
+ See Section 8.5) subsections for more information on these options
+ and option-specific structures.
+
+ sctp_opt_info() returns 0 on success, or on failure returns -1 and
+ sets errno to the appropriate error code.
+
+ All options that support specific settings on an association by
+ filling in either an association id variable or a sockaddr_storage
+ SHOULD also support setting of the same value for the entire endpoint
+ (i.e. future associations). To accomplish this the following logic
+ is used when setting one of these options:
+
+ a) If an address is specified via a sockaddr_storage that is included
+ in the structure, the address is used to lookup the association
+ and the settings are applied to the specific address (if
+ appropriate) or to the entire association.
+ b) If an association identification is filled in but not a
+ sockaddr_storage (if present), the association is found using the
+ association identification and the settings should be applied to
+ the entire association (since a specific address is not
+ specified). Note this also applies to options that hold an
+ association identification in their structure but do not have a
+ sockaddr_storage field.
+ c) If neither the sockaddr_storage or association identification is
+ set, i.e. the sockaddr_storage is set to all 0's (INADDR_ANY) and
+ the association identification is 0, the settings are a default
+ and to be applied to the endpoint (all future associations).
+
+7.1. Read / Write Options
+
+7.1.1. Retransmission Timeout Parameters (SCTP_RTOINFO)
+
+ The protocol parameters used to initialize and bound retransmission
+ timeout (RTO) are tunable. See RFC2960 [RFC2960] for more
+ information on how these parameters are used in RTO calculation.
+
+ The following structure is used to access and modify these
+ parameters:
+
+
+
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+
+
+ struct sctp_rtoinfo {
+ sctp_assoc_t srto_assoc_id;
+ uint32_t srto_initial;
+ uint32_t srto_max;
+ uint32_t srto_min;
+ };
+
+ srto_initial - This contains the initial RTO value.
+ srto_max and srto_min - These contain the maximum and minimum bounds
+ for all RTOs.
+ srto_assoc_id - (one-to-many style socket) This is filled in the
+ application, and identifies the association for this query. If
+ this parameter is '0' (on a one-to-many style socket), then the
+ change effects the entire endpoint.
+
+ All parameters are time values, in milliseconds. A value of 0, when
+ modifying the parameters, indicates that the current value should not
+ be changed.
+
+ To access or modify these parameters, the application should call
+ getsockopt or setsockopt() respectively with the option name
+ SCTP_RTOINFO.
+
+7.1.2. Association Parameters (SCTP_ASSOCINFO)
+
+ This option is used to both examine and set various association and
+ endpoint parameters.
+
+ See RFC2960 [RFC2960] for more information on how this parameter is
+ used. The peer address parameter is ignored for one-to-one style
+ socket.
+
+ The following structure is used to access and modify this parameters:
+
+ struct sctp_assocparams {
+ sctp_assoc_t sasoc_assoc_id;
+ uint16_t sasoc_asocmaxrxt;
+ uint16_t sasoc_number_peer_destinations;
+ uint32_t sasoc_peer_rwnd;
+ uint32_t sasoc_local_rwnd;
+ uint32_t sasoc_cookie_life;
+ };
+
+ sasoc_asocmaxrxt - This contains the maximum retransmission attempts
+ to make for the association.
+
+
+
+
+
+
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+
+
+ sasoc_number_peer_destinations - This is the number of destination
+ addresses that the peer has.
+ sasoc_peer_rwnd - This holds the current value of the peers rwnd
+ (reported in the last SACK) minus any outstanding data (i.e. data
+ inflight).
+ sasoc_local_rwnd - This holds the last reported rwnd that was sent
+ to the peer.
+ sasoc_cookie_life - This is the associations cookie life value used
+ when issuing cookies.
+ sasoc_assoc_id - This is filled in the application, and identifies
+ the association for this query.
+
+ This information may be examined for either the endpoint or a
+ specific association. To examine a endpoints default parameters the
+ association id (sasoc_assoc_id) should must be set to the value '0'.
+ The values of the sasoc_peer_rwnd is meaningless when examining
+ endpoint information.
+
+ All parameters are time values, in milliseconds. A value of 0, when
+ modifying the parameters, indicates that the current value should not
+ be changed.
+
+ The values of the sasoc_asocmaxrxt and sasoc_cookie_life may be set
+ on either an endpoint or association basis. The rwnd and destination
+ counts (sasoc_number_peer_destinations,
+ sasoc_peer_rwnd,sasoc_local_rwnd) are NOT settable and any value
+ placed in these is ignored.
+
+ To access or modify these parameters, the application should call
+ getsockopt or setsockopt() respectively with the option name
+ SCTP_ASSOCINFO.
+
+ The maximum number of retransmissions before an address is considered
+ unreachable is also tunable, but is address-specific, so it is
+ covered in a separate option. If an application attempts to set the
+ value of the association maximum retransmission parameter to more
+ than the sum of all maximum retransmission parameters, setsockopt()
+ shall return an error. The reason for this, from RFC2960 [RFC2960]
+ section 8.2:
+
+ Note: When configuring the SCTP endpoint, the user should avoid
+ having the value of 'Association.Max.Retrans' larger than the
+ summation of the 'Path.Max.Retrans' of all the destination addresses
+ for the remote endpoint. Otherwise, all the destination addresses
+ may become inactive while the endpoint still considers the peer
+ endpoint reachable.
+
+
+
+
+
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+
+
+7.1.3. Initialization Parameters (SCTP_INITMSG)
+
+ Applications can specify protocol parameters for the default
+ association initialization. The structure used to access and modify
+ these parameters is defined in Section 5.2.1). The option name
+ argument to setsockopt() and getsockopt() is SCTP_INITMSG.
+
+ Setting initialization parameters is effective only on an unconnected
+ socket (for one-to-many style sockets only future associations are
+ effected by the change). With one-to-one style sockets, this option
+ is inherited by sockets derived from a listener socket.
+
+7.1.4. SO_LINGER
+
+ An application using the one-to-one style socket can use this option
+ to perform the SCTP ABORT primitive. The linger option structure is:
+
+ struct linger {
+ int l_onoff; /* option on/off */
+ int l_linger; /* linger time */
+ };
+
+ To enable the option, set l_onoff to 1. If the l_linger value is set
+ to 0, calling close() is the same as the ABORT primitive. If the
+ value is set to a negative value, the setsockopt() call will return
+ an error. If the value is set to a positive value linger_time, the
+ close() can be blocked for at most linger_time ms. If the graceful
+ shutdown phase does not finish during this period, close() will
+ return but the graceful shutdown phase continues in the system.
+
+ Note, this is a socket level option NOT an SCTP level option. So
+ when setting SO_LINGER you must specify a level of SOL_SOCKET in the
+ setsockopt() call.
+
+7.1.5. SCTP_NODELAY
+
+ Turn on/off any Nagle-like algorithm. This means that packets are
+ generally sent as soon as possible and no unnecessary delays are
+ introduced, at the cost of more packets in the network. Expects an
+ integer boolean flag.
+
+7.1.6. SO_RCVBUF
+
+ Sets receive buffer size in octets. For SCTP one-to-one style
+ sockets, this controls the receiver window size. For one-to-many
+ style sockets the meaning depends on the constant HAVE_SCTP_MULTIBUF
+ (see Section 3.4). If the implementation defines HAVE_SCTP_MULTIBUF
+ as 1, this controls the receiver window size for each association
+
+
+
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+
+
+ bound to the socket descriptor. If the implementation defines
+ HAVE_SCTP_MULTIBUF as 0, this controls the size of the single receive
+ buffer for the whole socket. The call expects an integer.
+
+7.1.7. SO_SNDBUF
+
+ Sets send buffer size. For SCTP one-to-one style sockets, this
+ controls the amount of data SCTP may have waiting in internal buffers
+ to be sent. This option therefore bounds the maximum size of data
+ that can be sent in a single send call. For one-to-many style
+ sockets, the effect is the same, except that it applies to one or all
+ associations (see Section 3.4) bound to the socket descriptor used in
+ the setsockopt() or getsockopt() call. The option applies to each
+ association's window size separately. The call expects an integer.
+
+7.1.8. Automatic Close of associations (SCTP_AUTOCLOSE)
+
+ This socket option is applicable to the one-to-many style socket
+ only. When set it will cause associations that are idle for more
+ than the specified number of seconds to automatically close using the
+ graceful shutdown procedure. An association being idle is defined as
+ an association that has NOT sent or received user data. The special
+ value of '0' indicates that no automatic close of any associations
+ should be performed, this is the default value. The option expects
+ an integer defining the number of seconds of idle time before an
+ association is closed.
+
+ An application using this option should enable receiving the
+ association change notification. This is the only mechanism an
+ application is informed about the closing of an association. After
+ an association is closed, the association ID assigned to it can be
+ reused. An application should be aware of this to avoid the possible
+ problem of sending data to an incorrect peer end point.
+
+7.1.9. Set Peer Primary Address (SCTP_SET_PEER_PRIMARY_ADDR)
+
+ Requests that the peer mark the enclosed address as the association
+ primary. The enclosed address must be one of the association's
+ locally bound addresses. The following structure is used to make a
+ set primary request:
+
+ struct sctp_setpeerprim {
+ sctp_assoc_t sspp_assoc_id;
+ struct sockaddr_storage sspp_addr;
+ };
+
+
+
+
+
+
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+
+
+ sspp_addr - The address to set as primary
+ sspp_assoc_id - This is filled in by the application, and identifies
+ the association for this request.
+
+ This functionality is optional. Implementations that do not support
+ this functionality should return EOPNOTSUPP.
+
+7.1.10. Set Primary Address (SCTP_PRIMARY_ADDR)
+
+ Requests that the local SCTP stack use the enclosed peer address as
+ the association primary. The enclosed address must be one of the
+ association peer's addresses. The following structure is used to
+ make a set peer primary request:
+
+ struct sctp_setprim {
+ sctp_assoc_t ssp_assoc_id;
+ struct sockaddr_storage ssp_addr;
+ };
+
+ ssp_addr - The address to set as primary
+ ssp_assoc_id - This is filled in by the application, and identifies
+ the association for this request.
+
+7.1.11. Set Adaptation Layer Indicator (SCTP_ADAPTATION_LAYER)
+
+ Requests that the local endpoint set the specified Adaptation Layer
+ Indication parameter for all future INIT and INIT-ACK exchanges.
+
+
+ struct sctp_setadaptation {
+ uint32_t ssb_adaptation_ind;
+ };
+
+
+ ssb_adaptation_ind - The adaptation layer indicator that will be
+ included in any outgoing Adaptation Layer Indication parameter.
+
+7.1.12. Enable/Disable message fragmentation (SCTP_DISABLE_FRAGMENTS)
+
+ This option is a on/off flag and is passed an integer where a non-
+ zero is on and a zero is off. If enabled no SCTP message
+ fragmentation will be performed. Instead if a message being sent
+ exceeds the current PMTU size, the message will NOT be sent and
+ instead a error will be indicated to the user.
+
+
+
+
+
+
+
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+
+
+7.1.13. Peer Address Parameters (SCTP_PEER_ADDR_PARAMS)
+
+ Applications can enable or disable heartbeats for any peer address of
+ an association, modify an address's heartbeat interval, force a
+ heartbeat to be sent immediately, and adjust the address's maximum
+ number of retransmissions sent before an address is considered
+ unreachable. The following structure is used to access and modify an
+ address's parameters:
+
+ struct sctp_paddrparams {
+ sctp_assoc_t spp_assoc_id;
+ struct sockaddr_storage spp_address;
+ uint32_t spp_hbinterval;
+ uint16_t spp_pathmaxrxt;
+ uint32_t spp_pathmtu;
+ uint32_t spp_sackdelay;
+ uint32_t spp_flags;
+ uint32_t spp_ipv6_flowlabel;
+ uint8_t spp_ipv4_tos;
+ };
+
+ spp_assoc_id - (one-to-many style socket) This is filled in the
+ application, and identifies the association for this query.
+ spp_address - This specifies which address is of interest.
+ spp_hbinterval - This contains the value of the heartbeat interval,
+ in milliseconds. Note that unless the spp_flag is set to
+ SPP_HB_ENABLE the value of this field is ignored. Note also that
+ a value of zero indicates the current setting should be left
+ unchanged. To set an actual value of zero the use of the flag
+ SPP_HB_TIME_IS_ZERO should be used.
+ spp_pathmaxrxt - This contains the maximum number of retransmissions
+ before this address shall be considered unreachable. Note that
+ unless the spp_flag is set to SPP_PMTUD_ENABLE the value of this
+ field is ignored. Note also that a value of zero indicates the
+ current setting should be left unchanged.
+ spp_pathmtu - When Path MTU discovery is disabled the value
+ specified here will be the "fixed" path mtu (i.e. the value of the
+ spp_flags field must include the flag SPP_PMTUD_DISABLE for this
+ field to have any effect). Note that if the spp_address field is
+ empty then all associations on this address will have this fixed
+ path mtu set upon them. If an address is specified, then only
+ that address will be effected.
+ spp_sackdelay - When delayed sack is enabled, this value specifies
+ the number of milliseconds that sacks will be delayed for. This
+ value will apply to all addresses of an association if the
+ spp_address field is empty. Note that unless the spp_flag is set
+ to SPP_SACKDELAY_ENABLE the value of this field is ignored. Note
+ also that a value of zero indicates the current setting should be
+
+
+
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+
+
+ left unchanged.
+ spp_ipv6_flowlabel- This field is used in conjunction with the
+ SPP_IPV4_FLOWLABEL flag.
+ spp_ipv4_tos- This field is used in conjunction with the
+ SPP_IPV4_TOS flag.
+ spp_flags- These flags are used to control various features on an
+ association. The flag field is a bit mask which may contain zero
+ or more of the following options:
+ SPP_HB_ENABLE - Enable heartbeats on the specified address. Note
+ that if the address field is empty all addresses for the
+ association have heartbeats enabled upon them.
+ SPP_HB_DISABLE - Disable heartbeats on the specified address.
+ Note that if the address field is empty all addresses for the
+ association will have their heartbeats disabled. Note also
+ that SPP_HB_ENABLE and SPP_HB_DISABLE are mutually exclusive,
+ only one of these two should be specified. Enabling both
+ fields will have undetermined results.
+ SPP_HB_DEMAND - Request a user initiated heartbeat to be made
+ immediately.
+ SPP_HB_TIME_IS_ZERO - Specify's that the time for heartbeat delay
+ is to be set to the value of 0 milliseconds.
+ SPP_PMTUD_ENABLE - This field will enable PMTU discovery upon the
+ specified address. Note that if the address field is empty
+ then all addresses on the association are effected.
+ SPP_PMTUD_DISABLE - This field will disable PMTU discovery upon
+ the specified address. Note that if the address field is empty
+ then all addresses on the association are effected. Not also
+ that SPP_PMTUD_ENABLE and SPP_PMTUD_DISABLE are mutually
+ exclusive. Enabling both will have undetermined results.
+ SPP_SACKDELAY_ENABLE - Setting this flag turns on delayed sack.
+ The time specified in spp_sackdelay is used to specify the sack
+ delay for this address. Note that if spp_address is empty then
+ all addresses will enable delayed sack and take on the sack
+ delay value specified in spp_sackdelay.
+ SPP_SACKDELAY_DISABLE - Setting this flag turns off delayed sack.
+ If the spp_address field is blank then delayed sack is disabled
+ for the entire association. Note also that this field is
+ mutually exclusive to SPP_SACKDELAY_ENABLE, setting both will
+ have undefined results.
+ SPP_IPV6_FLOWLABEL - Setting this flag enables setting of the
+ IPV6 flowlabel value associated with either the association or
+ the specific address. If the address field is filled in, then
+ the specific destination address has this value set upon it.
+ If the association is specified, but not the address, then the
+ flowlabel value is set for any future destination addresses
+ that may be added. The value is obtained in the
+ spp_ipv6_flowlabel field.
+
+
+
+
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+
+
+ Upon retrieval, this flag will be set to indicate that the
+ spp_ipv6_flowlabel field has a valid value returned. If a
+ specific destination addresses is set (in the spp_address
+ field) when called then the value returned is that of the
+ address. If just an association is specified (and no address)
+ then the association default flowlabel is returned. If neither
+ an association nor an destination is specified, then the
+ sockets default flowlabel is returned. For non IPv6 sockets,
+ then this flag will be left cleared.
+ SPP_IPV4_TOS - Setting this flag enables setting of the IPV4 tos
+ value associated with either the association or specific
+ address. If the address field is filled in, then the specific
+ destination address has this value set upon it. If the
+ association is specified, but not the address, then the tos
+ value is set for any future destination addresses that may be
+ added. The value is obtained in the spp_ipv4_tos field.
+
+ Upon retrieval, this flag will be set to indicate that the
+ spp_ipv4_tos field has a valid value returned. If a specific
+ destination addresses is set when called (in the spp_address
+ field) then that specific destination addresses tos value is
+ returned. If just an association is specified then the
+ association default tos is returned. If neither an association
+ nor an destination is specified, then the sockets default tos
+ is returned. For non IPv4 sockets, then this flag will be left
+ cleared.
+
+ To read or modify these parameters, the application should call
+ sctp_opt_info() with the SCTP_PEER_ADDR_PARAMS option.
+
+7.1.14. Set default send parameters (SCTP_DEFAULT_SEND_PARAM)
+
+ Applications that wish to use the sendto() system call may wish to
+ specify a default set of parameters that would normally be supplied
+ through the inclusion of ancillary data. This socket option allows
+ such an application to set the default sctp_sndrcvinfo structure.
+ The application that wishes to use this socket option simply passes
+ in to this call the sctp_sndrcvinfo structure defined in
+ Section 5.2.2) The input parameters accepted by this call include
+ sinfo_stream, sinfo_flags, sinfo_ppid, sinfo_context,
+ sinfo_timetolive. The sinfo_assoc_id field specifies the default
+ association used for send operations on one-to-many style sockets.
+ It is ignored on the one-to-one style. Note that setting the
+ sinfo_assoc_id field to zero indicates that the users wishes to set
+ the endpoint default send parameters for all future associations.
+
+
+
+
+
+
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+
+
+7.1.15. Set notification and ancillary events (SCTP_EVENTS)
+
+ This socket option is used to specify various notifications and
+ ancillary data the user wishes to receive. Please see Section 7.3)
+ for a full description of this option and its usage.
+
+7.1.16. Set/clear IPv4 mapped addresses (SCTP_I_WANT_MAPPED_V4_ADDR)
+
+ This socket option is a boolean flag which turns on or off mapped V4
+ addresses. If this option is turned on and the socket is type
+ PF_INET6, then IPv4 addresses will be mapped to V6 representation.
+ If this option is turned off, then no mapping will be done of V4
+ addresses and a user will receive both PF_INET6 and PF_INET type
+ addresses on the socket.
+
+ By default this option is turned on and expects an integer to be
+ passed where non-zero turns on the option and zero turns off the
+ option.
+
+7.1.17. Set the maximum fragmentation size (SCTP_MAXSEG)
+
+ This socket option specifies the maximum size to put in any outgoing
+ SCTP DATA chunk. If a message is larger than this size it will be
+ fragmented by SCTP into the specified size. Note that the underlying
+ SCTP implementation may fragment into smaller sized chunks when the
+ PMTU of the underlying association is smaller than the value set by
+ the user. The option expects an integer.
+
+ The default value for this option is '0' which indicates the user is
+ NOT limiting fragmentation and only the PMTU will effect SCTP's
+ choice of DATA chunk size.
+
+7.1.18. Add a chunk that must be authenticated (SCTP_AUTH_CHUNK)
+
+ This option adds a chunk type that the user is requesting to be
+ received only in an authenticated way. Changes to the list of chunks
+ will only effect future associations on the socket.
+
+ struct sctp_authchunk {
+ uint8_t sauth_chunk;
+ };
+
+ sauth_chunks - This parameter contains a chunk type
+ that the user is requesting to be authenticated.
+
+
+ The chunk types for INIT, INIT-ACK, SHUTDOWN-COMPLETE, and AUTH
+ chunks MUST not be used. If they are used an error MUST be returned.
+
+
+
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+
+
+ The usage of this option enables SCTP-AUTH in cases where it is not
+ required by other means (for example the use of ADD-IP).
+
+7.1.19. Get or set the list of supported HMAC Identifiers
+ (SCTP_HMAC_IDENT)
+
+ This option gets or sets the list of HMAC algorithms that the local
+ endpoint requires the peer to use.
+
+
+ struct sctp_hmacalgo {
+ uint16_t shmac_idents[];
+ };
+
+
+ shmac_idents - This parameter contains an array of HMAC Identifiers
+ that the local endpoint is requesting the peer to use, in priority
+ order.
+
+7.1.20. Set a shared key (SCTP_AUTH_KEY)
+
+ This option will set a shared secret key which is used to build an
+ association shared key.
+
+ struct sctp_authkey {
+ sctp_assoc_t sca_assoc_id;
+ uint16_t sca_keynumber;
+ uint8_t sca_key[];
+ };
+
+
+ sca_assoc_id - This parameter, if non-zero, indicates what
+ association that the shared key is being set upon. Note that if
+ this element contains zero, then the shared key is set upon the
+ endpoint and all future associations will use this key (if not
+ changed by subsequent calls to SCTP_AUTH_KEY). For one-to-one
+ sockets, this parameter is ignored. Note, however, that this
+ option will set a key on the association if the socket is
+ connected, otherwise this will set a key on the endpoint.
+ sca_keynumber - this parameter is the shared key identifier by which
+ the application will refer to this key. If a key of the specified
+ index already exists, then this new key will replace the old
+ existing key. Note that shared key identifier '0' defaults to a
+ null key.
+
+
+
+
+
+
+
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+
+ sca_key - This parameter contains an array of bytes that is to be
+ used by the endpoint (or association) as the shared secret key.
+ Note, if the length of this field is zero, a null key is set.
+
+7.1.21. Get or set the active shared key (SCTP_AUTH_ACTIVE_KEY)
+
+ This option will get or set the active shared key to be used to build
+ the association shared key.
+
+
+ struct sctp_authkeyid {
+ sctp_assoc_t scact_assoc_id;
+ uint16_t scact_keynumber;
+ };
+
+
+ scact_assoc_id - This parameter, if non-zero, indicates what
+ association that the shared key identifier is being set active
+ upon. Note that if this element contains zero, then the
+ activation applies to the endpoint and all future associations
+ will use the specified shared key identifier. For one-to-one
+ sockets, this parameter is ignored. Note, however, that this
+ option will set the active key on the association if the socket is
+ connected, otherwise this will set the default active key for the
+ endpoint.
+ scact_keynumber - this parameter is the shared key identifier which
+ the application is requesting to become the active shared key to
+ be used for sending authenticated chunks. The key identifier MUST
+ correspond to an existing shared key. Note that shared key
+ identifier '0' defaults to a null key.
+
+7.1.22. Delete a shared key (SCTP_AUTH_DELETE_KEY)
+
+ This option will delete a shared secret key from use.
+
+
+ struct sctp_authkeyid {
+ sctp_assoc_t scact_assoc_id;
+ uint16_t scact_keynumber;
+ };
+
+
+ scact_assoc_id - This parameter, if non-zero, indicates what
+ association that the shared key identifier is being deleted from.
+ Note that if this element contains zero, then the shared key is
+ deleted from the endpoint and all associations will no longer use
+ the specified shared key identifier (unless otherwise set on the
+ association using SCTP_AUTH_KEY). For one-to-one sockets, this
+
+
+
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+
+ parameter is ignored. Note, however, that this option will delete
+ the key from the association if the socket is connected, otherwise
+ this will delete the key from the endpoint.
+ scact_keynumber - this parameter is the shared key identifier which
+ the application is requesting to be deleted. The key identifier
+ MUST correspond to an existing shared key and MUST NOT be the
+ current active key. Note if this parameter is zero, use of the
+ null key identifier '0' is disabled on the endpoint and/or
+ association.
+
+7.1.23. Get or set delayed ack timer (SCTP_DELAYED_ACK_TIME)
+
+ This options will get or set the delayed ack timer. The time is set
+ in milliseconds. If the assoc_id is 0, then this sets or gets the
+ endpoints default delayed ack timer value. If the assoc_id field is
+ non-zero, then the set or get effects the specified association.
+
+
+ struct sctp_assoc_value {
+ sctp_assoc_t assoc_id;
+ uint32_t assoc_value;
+ };
+
+
+ assoc_id - This parameter, indicates which association the user is
+ performing an action upon. Note that if this field's value is
+ zero then the endpoints default value is changed (effecting future
+ associations only).
+ assoc_value - This parameter contains the number of milliseconds
+ that the user is requesting the delayed ACK timer be set to. Note
+ that this value is defined in the standard to be between 200 and
+ 500 milliseconds.
+
+7.1.24. Get or set fragmented interleave (SCTP_FRAGMENT_INTERLEAVE)
+
+ This options will at a minimum specify if the implementation is doing
+ fragmented interleave. Fragmented interleave, for a one to many
+ socket, is when subsequent calls to receive a message may return
+ parts of messages from different associations. Some implementations
+ may allow you to turn this value on or off. If so, when turned off,
+ no fragment interleave will occur (which will cause a head of line
+ blocking amongst multiple associations sharing the same one to many
+ socket). When this option is turned on, then each receive call may
+ come from a different association (thus the user must receive data
+ with the extended calls (e.g. sctp_recvmsg) to keep track of which
+ association each receive belongs to.
+
+ This option takes a boolean value. A non-zero value indicates that
+
+
+
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+
+ fragmented interleave is on. A value of zero indicates that
+ fragmented interleave is off.
+
+ Note that it is important that an implementation that allows this
+ option to be turned on, have it off by default. Otherwise an unaware
+ application using the one to many model may become confused and act
+ incorrectly.
+
+7.1.25. Set or Get the sctp partial delivery point
+ (SCTP_PARTIAL_DELIVERY_POINT)
+
+ This option will set or get the SCTP partial delivery point. This
+ point is the size of a message where the partial delivery API will be
+ invoked to help free up rwnd space for the peer. Setting this to a
+ lower value will cause partial delivery's to happen more often. The
+ calls argument is an integer that sets or gets the partial delivery
+ point.
+
+7.1.26. Set or Get the use of extended receive info
+ (SCTP_USE_EXT_RCVINFO)
+
+ This option will enable or disable the use of the extended version of
+ the sctp_sndrcvinfo structure. If this option is disabled, then the
+ normal sctp_sndrcvinfo structure is returned in all receive message
+ calls. If this option is enabled then the sctp_extrcvinfo structure
+ is returned in all receive message calls.
+
+ Note that the sctp_extrcvinfo structure is never used in any send
+ call.
+
+7.1.27. Set or Get the auto asconf flag (SCTP_AUTO_ASCONF)
+
+ This option will enable or disable the use of the automatic
+ generation of ASCONF chunks to add and delete addresses to an
+ existing association. Note that this option has two caveats namely:
+ a) it only effects sockets that are bound to all addresses on the
+ machine, and b) the system administrator may have an overriding
+ control that turns the asconf feature off no matter what setting the
+ socket option may have.
+
+7.1.28. Set or Get the maximum burst (SCTP_MAX_BURST)
+
+ This option will allow a user to change the maximum burst of packets
+ that can be emitted by this association. Note that the default value
+ is 4, and some implementations may restrict this setting so that it
+ can only be lowered.
+
+
+
+
+
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+
+
+7.1.29. Set or Get the default context (SCTP_CONTEXT)
+
+ The context field in the sctp_sndrcvinfo structure is normally only
+ used when a failed message is retrieved holding the value that was
+ sent down on the actual send call. This option allows the setting of
+ a default context on an association basis that will be received on
+ reading messages from the peer. This is especially helpful in the
+ one-2-many model for an application to keep some reference to an
+ internal state machine that is processing messages on the
+ association. Note that the setting of this value only effects
+ received messages from the peer and does not effect the value that is
+ saved with outbound messages.
+
+ To set or get this option the user fills in the following structure:
+
+
+ struct sctp_assoc_value {
+ sctp_assoc_t assoc_id;
+ uint32_t assoc_value;
+ };
+
+
+ assoc_id - This parameter, indicates which association the user is
+ performing an action upon. Note that if this field's value is
+ zero then the endpoints default value is changed (effecting future
+ associations only).
+ assoc_value - This parameter contains the context.
+
+7.1.30. Enable or disable explicit EOR marking (SCTP_EXPLICIT_EOR)
+
+ This boolean flag is used to enable or disable explict end of record
+ (EOR) marking. When this option is enabled, a user may make multiple
+ send system calls to send a record and must indicate that they are
+ finished sending a particular record by including on the send the
+ SCTP_EOR flag. If this boolean flag is disabled then each individual
+ send system call is considered to have a SCTP_EOR indicator set on it
+ implicitly without the user having to explicitly add this flag.
+
+7.2. Read-Only Options
+
+7.2.1. Association Status (SCTP_STATUS)
+
+ Applications can retrieve current status information about an
+ association, including association state, peer receiver window size,
+ number of unacked data chunks, and number of data chunks pending
+ receipt. This information is read-only. The following structure is
+ used to access this information:
+
+
+
+
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+
+ struct sctp_status {
+ sctp_assoc_t sstat_assoc_id;
+ int32_t sstat_state;
+ uint32_t sstat_rwnd;
+ uint16_t sstat_unackdata;
+ uint16_t sstat_penddata;
+ uint16_t sstat_instrms;
+ uint16_t sstat_outstrms;
+ uint32_t sstat_fragmentation_point;
+ struct sctp_paddrinfo sstat_primary;
+ };
+
+
+ sstat_state - This contains the association's current state one of
+ the following values:
+ SCTP_CLOSED
+ SCTP_BOUND
+ SCTP_LISTEN
+ SCTP_COOKIE_WAIT
+ SCTP_COOKIE_ECHOED
+ SCTP_ESTABLISHED
+ SCTP_SHUTDOWN_PENDING
+ SCTP_SHUTDOWN_SENT
+ SCTP_SHUTDOWN_RECEIVED
+ SCTP_SHUTDOWN_ACK_SENT
+ sstat_rwnd - This contains the association peer's current receiver
+ window size.
+ sstat_unackdata - This is the number of unacked data chunks.
+ sstat_penddata - This is the number of data chunks pending receipt.
+ sstat_primary - This is information on the current primary peer
+ address.
+ sstat_assoc_id - (one-to-many style socket) This holds the an
+ identifier for the association. All notifications for a given
+ association have the same association identifier.
+ sstat_instrms - The number of streams that the peer will be using
+ inbound.
+ sstat_outstrms - The number of streams that the endpoint is allowed
+ to use outbound.
+ sstat_fragmentation_point - The size at which SCTP fragmentation
+ will occur.
+
+ To access these status values, the application calls getsockopt()
+ with the option name SCTP_STATUS. The sstat_assoc_id parameter is
+ ignored for one-to-one style socket.
+
+
+
+
+
+
+
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+
+
+7.2.2. Peer Address Information (SCTP_GET_PEER_ADDR_INFO)
+
+ Applications can retrieve information about a specific peer address
+ of an association, including its reachability state, congestion
+ window, and retransmission timer values. This information is read-
+ only. The following structure is used to access this information:
+
+
+ struct sctp_paddrinfo {
+ sctp_assoc_t spinfo_assoc_id;
+ struct sockaddr_storage spinfo_address;
+ int32_t spinfo_state;
+ uint32_t spinfo_cwnd;
+ uint32_t spinfo_srtt;
+ uint32_t spinfo_rto;
+ uint32_t spinfo_mtu;
+ };
+
+
+ spinfo_address - This is filled in the application, and contains the
+ peer address of interest.
+
+ On return from getsockopt():
+
+ spinfo_state - This contains the peer addresses's state (either
+ SCTP_ACTIVE or SCTP_INACTIVE and possibly the modifier
+ SCTP_UNCONFIRMED)
+ spinfo_cwnd - This contains the peer addresses's current congestion
+ window.
+ spinfo_srtt - This contains the peer addresses's current smoothed
+ round-trip time calculation in milliseconds.
+ spinfo_rto - This contains the peer addresses's current
+ retransmission timeout value in milliseconds.
+ spinfo_mtu - The current P-MTU of this address.
+ spinfo_assoc_id - This is field may be filled in by the application,
+ if so, this field will have priority in looking up the association
+ over the address specified in spinfo_address. Note that if the
+ address does not belong to the association specified then this
+ call will fail. If the application does NOT fill in the
+ spinfo_assoc_id, then the address will be used to lookup the
+ association and on return this field will have the valid
+ association id. In other words, this call can be used to
+ translate a address into an association id.
+
+ To retrieve this information, use sctp_opt_info() with the
+ SCTP_GET_PEER_ADDR_INFO options.
+
+
+
+
+
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+
+7.2.3. Get the list of chunks the peer requires to be authenticated
+ (SCTP_PEER_AUTH_CHUNKS)
+
+ This option gets a list of chunks for a specified association that
+ the peer requires to be received authenticated only.
+
+
+ struct sctp_authchunks {
+ sctp_assoc_t gauth_assoc_id;
+ uint8_t gauth_chunks[];
+ };
+
+
+ gauth_assoc_id - This parameter, indicates which association the
+ user is requesting the list of peer authenticated chunks. For
+ one-to-one sockets, this parameter is ignored.
+ gauth_chunks - This parameter contains an array of chunks that the
+ peer is requesting to be authenticated.
+
+7.2.4. Get the list of chunks the local endpoint requires to be
+ authenticated (SCTP_LOCAL_AUTH_CHUNKS)
+
+ This option gets a list of chunks for a specified association that
+ the local endpoint requires to be received authenticated only.
+
+
+ struct sctp_authchunks {
+ sctp_assoc_t gauth_assoc_id;
+ uint8_t gauth_chunks[];
+ };
+
+
+ gauth_assoc_id - This parameter, indicates which association the
+ user is requesting the list of local authenticated chunks. For
+ one-to-one sockets, this parameter is ignored.
+ gauth_chunks - This parameter contains an array of chunks that the
+ local endpoint is requesting to be authenticated.
+
+7.2.5. Get the list of current associations (SCTP_GET_ASOC_ID_LIST)
+
+ This option gets a list of current associations that are associated
+ with a socket.
+
+
+ struct sctp_assoc_ids {
+ uint16_t asls_assoc_start; /* array of index's start at 0 */
+ uint8_t asls_numb_present;
+ uint8_t asls_more_to_get;
+
+
+
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+
+
+ sctp_assoc_t asls_assoc_id[MAX_ASOC_IDS_RET];
+ };
+
+
+ asls_assoc_start - This parameter gives an initial starting place to
+ begin collecting association information. Normally a user sets
+ this initially to 0. Subsequent calls that need to get more
+ association identifications (in cases where the socket has more
+ than MAX_ASOC_IDS_RET established i.e asls_more_to_get returns set
+ to false) are made by incrementing the asls_assoc_start by the
+ number of previous association id's seen. This cycle is repeated
+ until the asls_more_to_get field becomes true, indicating that all
+ association id's have been retrieved.
+ asls_numb_present - This field holds the total number of
+ associations that have been copied into the asls_assoc_id array.
+ This value will NOT be larger than MAX_ASOC_IDS_RET.
+ asls_more_to_get - This field holds a boolean flag indicating to the
+ caller if more association id's are available then asked for.
+ Subsequent calls to this option will be needed to gather these
+ association id's.
+ asls_assoc_id - an array of association id's that are currently
+ active under this socket.
+ MAX_ASOC_IDS_RET This value is a constant defined to limit the
+ number of association identifications returned with each call.
+ This value can be no larger than 255..
+
+7.3. Ancillary Data and Notification Interest Options
+
+ Applications can receive per-message ancillary information and
+ notifications of certain SCTP events with recvmsg().
+
+ The following optional information is available to the application:
+
+ 1. SCTP_SNDRCV (sctp_data_io_event): Per-message information (i.e.
+ stream number, TSN, SSN, etc. described in Section 5.2.2)
+ 2. SCTP_ASSOC_CHANGE (sctp_association_event): (described in
+ Section 5.3.1.1)
+ 3. SCTP_PEER_ADDR_CHANGE (sctp_address_event): (described in
+ Section 5.3.1.2)
+ 4. SCTP_SEND_FAILED (sctp_send_failure_event): (described in
+ Section 5.3.1.4)
+ 5. SCTP_REMOTE_ERROR (sctp_peer_error_event): (described in
+ Section 5.3.1.3)
+ 6. SCTP_SHUTDOWN_EVENT (sctp_shtudown_event): (described in
+ Section 5.3.1.5)
+ 7. SCTP_PARTIAL_DELIVERY_EVENT (sctp_partial_delivery_event):
+ (described in Section 5.3.1.7)
+
+
+
+
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+
+
+ 8. SCTP_ADAPTATION_INDICATION (sctp_adaptation_layer_event):
+ (described in Section 5.3.1.6)
+ 9. SCTP_AUTHENTICATION_INDICATION (sctp_authentication_event):
+ (described in Section 5.3.1.8)
+
+ To receive any ancillary data or notifications, first the application
+ registers it's interest by calling the SCTP_EVENTS setsockopt() with
+ the following structure.
+
+ struct sctp_event_subscribe{
+ uint8_t sctp_data_io_event;
+ uint8_t sctp_association_event;
+ uint8_t sctp_address_event;
+ uint8_t sctp_send_failure_event;
+ uint8_t sctp_peer_error_event;
+ uint8_t sctp_shutdown_event;
+ uint8_t sctp_partial_delivery_event;
+ uint8_t sctp_adaptation_layer_event;
+ uint8_t sctp_authentication_event;
+ };
+
+ sctp_data_io_event - Setting this flag to 1 will cause the reception
+ of SCTP_SNDRCV information on a per message basis. The application
+ will need to use the recvmsg() interface so that it can receive the
+ event information contained in the msg_control field. Please see
+ Section 5.2 for further details. Setting the flag to 0 will disable
+ reception of the message control information.
+
+ sctp_association_event - Setting this flag to 1 will enable the
+ reception of association event notifications. Setting the flag to 0
+ will disable association event notifications. For more information
+ on event notifications please see Section 5.3.
+
+ sctp_address_event - Setting this flag to 1 will enable the reception
+ of address event notifications. Setting the flag to 0 will disable
+ address event notifications. For more information on event
+ notifications please see Section 5.3.
+
+ sctp_send_failure_event - Setting this flag to 1 will enable the
+ reception of send failure event notifications. Setting the flag to 0
+ will disable send failure event notifications. For more information
+ on event notifications please see Section 5.3.
+
+ sctp_peer_error_event - Setting this flag to 1 will enable the
+ reception of peer error event notifications. Setting the flag to 0
+ will disable peer error event notifications. For more information on
+ event notifications please see Section 5.3.
+
+
+
+
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+
+ sctp_shutdown_event - Setting this flag to 1 will enable the
+ reception of shutdown event notifications. Setting the flag to 0
+ will disable shutdown event notifications. For more information on
+ event notifications please see Section 5.3.
+
+ sctp_partial_delivery_event - Setting this flag to 1 will enable the
+ reception of partial delivery notifications. Setting the flag to 0
+ will disable partial delivery event notifications. For more
+ information on event notifications please see Section 5.3.
+
+ sctp_adaptation_layer_event - Setting this flag to 1 will enable the
+ reception of adaptation layer notifications. Setting the flag to 0
+ will disable adaptation layer event notifications. For more
+ information on event notifications please see Section 5.3.
+
+ sctp_authentication_event - Setting this flag to 1 will enable the
+ reception of authentication layer notifications. Setting the flag to
+ 0 will disable authentication layer event notifications. For More
+ information please see Section 5.3.
+
+ An example where an application would like to receive data io events
+ and association events but no others would be as follows:
+
+ {
+ struct sctp_event_subscribe event;
+
+ memset(&event,0,sizeof(event));
+
+ event.sctp_data_io_event = 1;
+ event.sctp_association_event = 1;
+
+ setsockopt(fd, IPPROTO_SCTP, SCTP_EVENTS, &event, sizeof(event));
+ }
+
+ Note that for one-to-many style SCTP sockets, the caller of recvmsg()
+ receives ancillary data and notifications for ALL associations bound
+ to the file descriptor. For one-to-one style SCTP sockets, the
+ caller receives ancillary data and notifications for only the single
+ association bound to the file descriptor.
+
+ By default both the one-to-one style and one-to-many style socket has
+ all options off.
+
+
+8. New Interfaces
+
+ Depending on the system, the following interface can be implemented
+ as a system call or library function.
+
+
+
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+
+8.1. sctp_bindx()
+
+ The syntax of sctp_bindx() is,
+
+ int sctp_bindx(int sd, struct sockaddr *addrs, int addrcnt,
+ int flags);
+
+ If sd is an IPv4 socket, the addresses passed must be IPv4 addresses.
+ If the sd is an IPv6 socket, the addresses passed can either be IPv4
+ or IPv6 addresses.
+
+ A single address may be specified as INADDR_ANY or IN6ADDR_ANY, see
+ Section 3.1.2 for this usage.
+
+ addrs is a pointer to an array of one or more socket addresses. Each
+ address is contained in its appropriate structure. For an IPv6
+ socket, an array of sockaddr_in6 would be returned. For a IPv4
+ socket, an array of sockaddr_in would be returned. The caller
+ specifies the number of addresses in the array with addrcnt. Note
+ that the wildcard addresses cannot be used with this function, doing
+ so will result in an error.
+
+ On success, sctp_bindx() returns 0. On failure, sctp_bindx() returns
+ -1, and sets errno to the appropriate error code.
+
+ For SCTP, the port given in each socket address must be the same, or
+ sctp_bindx() will fail, setting errno to EINVAL.
+
+ The flags parameter is formed from the bitwise OR of zero or more of
+ the following currently defined flags:
+
+ SCTP_BINDX_ADD_ADDR
+
+ SCTP_BINDX_REM_ADDR
+
+ SCTP_BINDX_ADD_ADDR directs SCTP to add the given addresses to the
+ association, and SCTP_BINDX_REM_ADDR directs SCTP to remove the given
+ addresses from the association. The two flags are mutually
+ exclusive; if both are given, sctp_bindx() will fail with EINVAL. A
+ caller may not remove all addresses from an association; sctp_bindx()
+ will reject such an attempt with EINVAL.
+
+ An application can use sctp_bindx(SCTP_BINDX_ADD_ADDR) to associate
+ additional addresses with an endpoint after calling bind(). Or use
+ sctp_bindx(SCTP_BINDX_REM_ADDR) to remove some addresses a listening
+ socket is associated with so that no new association accepted will be
+ associated with those addresses. If the endpoint supports dynamic
+ address a SCTP_BINDX_REM_ADDR or SCTP_BINDX_ADD_ADDR may cause a
+
+
+
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+
+
+ endpoint to send the appropriate message to the peer to change the
+ peers address lists.
+
+ Adding and removing addresses from a connected association is
+ optional functionality. Implementations that do not support this
+ functionality should return EOPNOTSUPP.
+
+8.2. Branched-off Association
+
+ After an association is established on a one-to-many style socket,
+ the application may wish to branch off the association into a
+ separate socket/file descriptor.
+
+ This is particularly desirable when, for instance, the application
+ wishes to have a number of sporadic message senders/receivers remain
+ under the original one-to-many style socket but branch off those
+ associations carrying high volume data traffic into their own
+ separate socket descriptors.
+
+ The application uses sctp_peeloff() call to branch off an association
+ into a separate socket (Note the semantics are somewhat changed from
+ the traditional one-to-one style accept() call). Note that the new
+ socket is a one-to-one style socket. Thus it will be confined to
+ operations allowed for a one-to-one style socket.
+
+ The syntax is:
+
+ new_sd = sctp_peeloff(int sd, sctp_assoc_t assoc_id);
+
+ new_sd: the new socket descriptor representing the branched-off
+ association.
+ sd: the original one-to-many style socket descriptor returned from
+ the socket() system call (see Section 3.1.1).
+ assoc_id: the specified identifier of the association that is to be
+ branched off to a separate file descriptor (Note, in a traditional
+ one-to-one style accept() call, this would be an out parameter,
+ but for the one-to-many style call, this is an in parameter).
+
+8.3. sctp_getpaddrs()
+
+ sctp_getpaddrs() returns all peer addresses in an association. The
+ syntax is,
+
+ int sctp_getpaddrs(int sd, sctp_assoc_t id,
+ struct sockaddr **addrs);
+
+
+ On return, addrs will point to an array dynamically allocated
+
+
+
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+\f
+Internet-Draft SCTP sockets API December 2006
+
+
+ sockaddr structures of the appropriate type for the socket type. The
+ caller should use sctp_freepaddrs() to free the memory. Note that
+ the in/out parameter addrs must not be NULL.
+
+ If sd is an IPv4 socket, the addresses returned will be all IPv4
+ addresses. If sd is an IPv6 socket, the addresses returned can be a
+ mix of IPv4 or IPv6 addresses.
+
+ For one-to-many style sockets, id specifies the association to query.
+ For one-to-one style sockets, id is ignored.
+
+ On success, sctp_getpaddrs() returns the number of peer addresses in
+ the association. If there is no association on this socket,
+ sctp_getpaddrs() returns 0, and the value of *addrs is undefined. If
+ an error occurs, sctp_getpaddrs() returns -1, and the value of *addrs
+ is undefined.
+
+8.4. sctp_freepaddrs()
+
+
+
+ sctp_freepaddrs() frees all resources allocated by
+ sctp_getpaddrs(). Its syntax is,
+
+ void sctp_freepaddrs(struct sockaddr *addrs);
+ addrs is the array of peer addresses returned by sctp_getpaddrs().
+
+
+8.5. sctp_getladdrs()
+
+ sctp_getladdrs() returns all locally bound address(es) on a socket.
+ The syntax is,
+
+ int sctp_getladdrs(int sd, sctp_assoc_t id,
+ struct sockaddr **ss);
+
+
+ On return, addrs will point to a dynamically allocated array of
+ sockaddr structures of the appropriate type for the socket type. The
+ caller should use sctp_freeladdrs() to free the memory. Note that
+ the in/out parameter addrs must not be NULL.
+
+ If sd is an IPv4 socket, the addresses returned will be all IPv4
+ addresses. If sd is an IPv6 socket, the addresses returned can be a
+ mix of IPv4 or IPv6 addresses.
+
+ For one-to-many style sockets, id specifies the association to query.
+ For one-to-one style sockets, id is ignored.
+
+
+
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+
+
+ If the id field is set to the value '0' then the locally bound
+ addresses are returned without regard to any particular association.
+
+ On success, sctp_getladdrs() returns the number of local addresses
+ bound to the socket. If the socket is unbound, sctp_getladdrs()
+ returns 0, and the value of *addrs is undefined. If an error occurs,
+ sctp_getladdrs() returns -1, and the value of *addrs is undefined.
+
+8.6. sctp_freeladdrs()
+
+ sctp_freeladdrs() frees all resources allocated by
+ sctp_getladdrs(). Its syntax is,
+
+ void sctp_freeladdrs(struct sockaddr *addrs);
+
+ addrs is the array of peer addresses returned by sctp_getladdrs().
+
+8.7. sctp_sendmsg()
+
+ An implementation may provide a library function (or possibly system
+ call) to assist the user with the advanced features of SCTP.
+
+
+ sctp_sendmsg(). Its syntax is,
+
+ ssize_t sctp_sendmsg(int sd,
+ const void *msg,
+ size_t len,
+ const struct sockaddr *to,
+ socklen_t tolen,
+ uint32_t ppid,
+ uint32_t flags,
+ uint16_t stream_no,
+ uint32_t timetolive,
+ uint32_t context)
+
+
+ sd - is the socket descriptor
+ msg - is the message to be sent.
+ len - is the length of the message.
+ to - is the destination address of the message.
+ tolen - is the length of the destination address.
+ ppid - is the same as sinfo_ppid (see section 5.2.2)
+ flags - is the same as sinfo_flags (see section 5.2.2)
+
+
+
+
+
+
+
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+
+
+ stream_no - is the same as sinfo_stream (see section 5.2.2)
+ timetolive - is the same as sinfo_timetolive (see section 5.2.2)
+ context - is the same as sinfo_context (see section 5.2.2)
+ The call returns the number of characters sent, or -1 if an error
+ occurred. The variable errno is then set appropriately.
+
+8.8. sctp_recvmsg()
+
+ An implementation may provide a library function (or possibly system
+ call) to assist the user with the advanced features of SCTP. Note
+ that in order for the sctp_sndrcvinfo structure to be filled in by
+ sctp_recvmsg() the caller must enable the sctp_data_io_events with
+ the SCTP_EVENTS option. Note that the setting of the
+ SCTP_USE_EXT_RCVINFO will effect this function as well, causing the
+ sctp_sndrcvinfo information to be extended.
+
+
+ sctp_recvmsg(). Its syntax is,
+
+ ssize_t sctp_recvmsg(int sd,
+ void *msg,
+ size_t len,
+ struct sockaddr *from,
+ socklen_t *fromlen
+ struct sctp_sndrcvinfo *sinfo
+ int *msg_flags)
+
+
+ sd - is the socket descriptor
+ msg - is a message buffer to be filled.
+ len - is the length of the message buffer.
+ from - is a pointer to a address to be filled with the sender of
+ this messages address.
+ fromlen - is the from length.
+ sinfo - A pointer to a sctp_sndrcvinfo structure to be filled upon
+ receipt of the message.
+ msg_flags - A pointer to a integer to be filled with any message
+ flags (e.g. MSG_NOTIFICATION).
+ The call returns the number of bytes received, or -1 if an error
+ occurred. The variable errno is then set appropriately.
+
+8.9. sctp_connectx()
+
+ An implementation may provide a library function (or possibly system
+ call) to assist the user with associating to an endpoint that is
+ multi-homed. Much like sctp_bindx() this call allows a caller to
+ specify multiple addresses at which a peer can be reached. The way
+ the SCTP stack uses the list of addresses to set up the association
+
+
+
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+
+
+ is implementation dependent. This function only specifies that the
+ stack will try to make use of all the addresses in the list when
+ needed.
+
+ Note that the list of addresses passed in is only used for setting up
+ the association. It does not necessarily equal the set of addresses
+ the peer uses for the resulting association. If the caller wants to
+ find out the set of peer addresses, it must use sctp_getpaddrs() to
+ retrieve them after the association has been set up.
+
+ sctp_connectx(). Its syntax is,
+
+
+ int sctp_connectx(int sd,
+ struct sockaddr *addrs,
+ int addrcnt,
+ sctp_assoc_t *id)
+
+
+ sd - is the socket descriptor
+ addrs - is an array of addresses.
+ addrcnt - is the number of addresses in the array.
+ id - is an output parameter that if passed in as a non-NULL will
+ return the association identification for the newly created
+ association (if successful).
+
+ The call returns 0 on success or -1 if an error occured. The
+ variable errno is then set appropriately.
+
+8.10. sctp_send()
+
+ An implementation may provide another alternative function or system
+ call to assist an application with the sending of data without the
+ use of the CMSG header structures. The function takes the following
+ form:
+
+ sctp_send(). Its syntax is,
+
+ int sctp_send(int sd,
+ const void *msg,
+ size_t len,
+ const struct sctp_sndrcvinfo *sinfo,
+ int flags);
+
+
+
+
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 74]
+\f
+Internet-Draft SCTP sockets API December 2006
+
+
+ sd - is the socket descriptor
+ msg - The message to be sent
+ len - The length of the message
+ sinfo - A pointer to a sctp_sndrcvinfo structure used as described
+ in 5.2.2 for a sendmsg call.
+ flags - is used in the same format as the sendmsg call flags (e.g.
+ MSG_DONTROUTE).
+
+ This function call may also be used to terminate an association using
+ an association identification by setting the sinfo.sinfo_flags to
+ SCTP_EOF and the sinfo.sinfo_assoc_id to the association that needs
+ to be terminated. In such a case the len of the message would be
+ zero.
+
+ The call returns the number of characters sent, or -1 if an error
+ occurred. The variable errno is then set appropriately.
+
+8.11. sctp_sendx()
+
+ An implementation may provide another alternative function or system
+ call to assist an application with the sending of data without the
+ use of the CMSG header structures that also gives a list of
+ addresses. The list of addresses is provided for implicit
+ association setup. In such a case the list of addresses serves the
+ same purpose as the addresses given in sctp_connectx (see
+ Section 8.9).
+
+
+ sctp_sendx(). Its syntax is,
+
+ int sctp_sendx(int sd,
+ const void *msg,
+ size_t len,
+ struct sockaddr *addrs,
+ int addrcnt,
+ struct sctp_sndrcvinfo *sinfo,
+ int flags);
+
+ sd - is the socket descriptor
+ msg - The message to be sent
+ len - The length of the message
+ addrs - is an array of addresses.
+ addrcnt - is the number of addresses in the array.
+ sinfo - A pointer to a sctp_sndrcvinfo structure used as described
+ in 5.2.2 for a sendmsg call.
+
+
+
+
+
+
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+
+
+ flags - is used in the same format as the sendmsg call flags (e.g.
+ MSG_DONTROUTE).
+
+ Note that on return from this call the sinfo structure will have
+ changed in that the sinfo_assoc_id will be filled in with the new
+ association id.
+
+ This function call may also be used to terminate an association using
+ an association identification by setting the sinfo.sinfo_flags to
+ SCTP_EOF and the sinfo.sinfo_assoc_id to the association that needs
+ to be terminated. In such a case the len of the message would be
+ zero.
+
+ The call returns the number of characters sent, or -1 if an error
+ occurred. The variable errno is then set appropriately.
+
+8.12. sctp_getaddrlen
+
+ For application binary portability it is sometimes desirable to know
+ what the kernel thinks is the length of a socket address family.
+ This function, when called with a valid family type will return the
+ length that the operating system uses in the specified family's
+ socket address structure.
+
+
+ int sctp_getaddrlen(sa_family_t family);
+
+
+9. Preprocessor Constants
+
+ For application portability it is desirable to define pre-processor
+ constants for determination if sctp is present and supports various
+ features. The following pre-processor constants should be defined in
+ a include file, sctp.h.
+
+ HAVE_SCTP - If this constant is defined to 1, then an implementation
+ of SCTP is available.
+ HAVE_KERNEL_SCTP - If this constant is defined to 1, then a kernel
+ SCTP implementation is available through the sockets interface.
+ HAVE_SCTP_PRSCTP - If this constant is defined to 1, then the SCTP
+ implementation supports the partial reliability extension to SCTP.
+ HAVE_SCTP_ADDIP - If this constant is defined to 1, then the SCTP
+ implementation supports the dynamic address extension to SCTP.
+ HAVE_SCTP_CANSET_PRIMARY - If this constant is defined to 1, then
+ the SCTP implementation supports the ability to request setting of
+ the remote primary address.
+
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 76]
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+
+
+ HAVE_SCTP_SAT_NETWORK_CAPABILITY - If this constant is defined to 1,
+ then the SCTP implementation supports the satellite network
+ extension to SCTP.
+ HAVE_SCTP_MULTIBUF - If this constant is defined to 1, then the SCTP
+ implementation dedicates separate buffer space to each association
+ on a one-to-many socket. If this constant is defined to 0, then
+ the implementation provides a single block of shared buffer space
+ for a one-to-many socket.
+ HAVE_SCTP_NOCONNECT - If this constant is defined to 1, then the
+ SCTP implementation supports initiating an association on a one-
+ to-one style socket without the use of connect(), as outlined in
+ Section 4.1.5.
+ HAVE_SCTP_EXT_RCVINFO - If this constant is defined to 1, then the
+ SCTP implementation supports the use of the extended style
+ sndrecinfo structure, sctp_extrcvinfo.
+
+
+10. IANA considerations
+
+ This document contains no IANA considerations.
+
+
+11. Security Considerations
+
+ Many TCP and UDP implementations reserve port numbers below 1024 for
+ privileged users. If the target platform supports privileged users,
+ the SCTP implementation SHOULD restrict the ability to call bind() or
+ sctp_bindx() on these port numbers to privileged users.
+
+ Similarly unprivileged users should not be able to set protocol
+ parameters which could result in the congestion control algorithm
+ being more aggressive than permitted on the public Internet. These
+ parameters are:
+
+ struct sctp_rtoinfo
+
+ If an unprivileged user inherits a one-to-many style socket with open
+ associations on a privileged port, it MAY be permitted to accept new
+ associations, but it SHOULD NOT be permitted to open new
+ associations. This could be relevant for the r* family of protocols.
+
+
+12. Acknowledgments
+
+ Special acknowledgment is given to Ken Fujita and Jonathan Woods who
+ helped extensively in the early formation of this document.
+
+ The authors also wish to thank Kavitha Baratakke, Mike Bartlett, Jon
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 77]
+\f
+Internet-Draft SCTP sockets API December 2006
+
+
+ Berger, Mark Butler, Scott Kimble, Renee Revis, Andreas Fink, and
+ many others on the TSVWG mailing list for contributing valuable
+ comments.
+
+ A special thanks to Phillip Conrad, for his suggested text, quick and
+ constructive insights, and most of all his persistent fighting to
+ keep the interface to SCTP usable for the application programmer.
+
+
+13. Normative references
+
+ [RFC0793] Postel, J., "Transmission Control Protocol", STD 7,
+ RFC 793, September 1981.
+
+ [RFC0768] Postel, J., "User Datagram Protocol", STD 6, RFC 768,
+ August 1980.
+
+ [RFC1644] Braden, B., "T/TCP -- TCP Extensions for Transactions
+ Functional Specification", RFC 1644, July 1994.
+
+ [RFC2026] Bradner, S., "The Internet Standards Process -- Revision
+ 3", BCP 9, RFC 2026, October 1996.
+
+ [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
+ Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+ [RFC2292] Stevens, W. and M. Thomas, "Advanced Sockets API for
+ IPv6", RFC 2292, February 1998.
+
+ [RFC2553] Gilligan, R., Thomson, S., Bound, J., and W. Stevens,
+ "Basic Socket Interface Extensions for IPv6", RFC 2553,
+ March 1999.
+
+ [RFC2960] Stewart, R., Xie, Q., Morneault, K., Sharp, C.,
+ Schwarzbauer, H., Taylor, T., Rytina, I., Kalla, M.,
+ Zhang, L., and V. Paxson, "Stream Control Transmission
+ Protocol", RFC 2960, October 2000.
+
+
+Appendix A. one-to-one style Code Example
+
+ The following code is a simple implementation of an echo server over
+ SCTP. The example shows how to use some features of one-to-one style
+ IPv4 SCTP sockets, including:
+
+
+
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 78]
+\f
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+
+
+ o Opening, binding, and listening for new associations on a socket;
+ o Enabling ancillary data
+ o Enabling notifications
+ o Using ancillary data with sendmsg() and recvmsg()
+ o Using MSG_EOR to determine if an entire message has been read
+ o Handling notifications
+
+ #include <stdio.h>
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <netinet/in.h>
+ #include <arpa/inet.h>
+ #include <stdlib.h>
+ #include <unistd.h>
+ #include <netinet/sctp.h>
+ #include <sys/uio.h>
+
+ #define BUFLEN 100
+
+ static void
+ handle_event(void *buf)
+ {
+ struct sctp_assoc_change *sac;
+ struct sctp_send_failed *ssf;
+ struct sctp_paddr_change *spc;
+ struct sctp_remote_error *sre;
+ union sctp_notification *snp;
+ char addrbuf[INET6_ADDRSTRLEN];
+ const char *ap;
+ struct sockaddr_in *sin;
+ struct sockaddr_in6 *sin6;
+
+ snp = buf;
+
+ switch (snp->sn_header.sn_type) {
+ case SCTP_ASSOC_CHANGE:
+ sac = &snp->sn_assoc_change;
+ printf("^^^ assoc_change: state=%hu, error=%hu, instr=%hu "
+ "outstr=%hu\n", sac->sac_state, sac->sac_error,
+ sac->sac_inbound_streams, sac->sac_outbound_streams);
+ break;
+ case SCTP_SEND_FAILED:
+ ssf = &snp->sn_send_failed;
+ printf("^^^ sendfailed: len=%hu err=%d\n", ssf->ssf_length,
+ ssf->ssf_error);
+ break;
+
+ case SCTP_PEER_ADDR_CHANGE:
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 79]
+\f
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+
+
+ spc = &snp->sn_paddr_change;
+ if (spc->spc_aaddr.ss_family == AF_INET) {
+ sin = (struct sockaddr_in *)&spc->spc_aaddr;
+ ap = inet_ntop(AF_INET, &sin->sin_addr,
+ addrbuf, INET6_ADDRSTRLEN);
+ } else {
+ sin6 = (struct sockaddr_in6 *)&spc->spc_aaddr;
+ ap = inet_ntop(AF_INET6, &sin6->sin6_addr,
+ addrbuf, INET6_ADDRSTRLEN);
+ }
+ printf("^^^ intf_change: %s state=%d, error=%d\n", ap,
+ spc->spc_state, spc->spc_error);
+ break;
+ case SCTP_REMOTE_ERROR:
+ sre = &snp->sn_remote_error;
+ printf("^^^ remote_error: err=%hu len=%hu\n",
+ ntohs(sre->sre_error), ntohs(sre->sre_length));
+ break;
+ case SCTP_SHUTDOWN_EVENT:
+ printf("^^^ shutdown event\n");
+ break;
+ default:
+ printf("unknown type: %hu\n", snp->sn_header.sn_type);
+ break;
+ };
+ }
+
+ static void *
+ mysctp_recvmsg(int fd, struct msghdr *msg, void *buf, size_t *buflen,
+ ssize_t *nrp, size_t cmsglen)
+ {
+ ssize_t nr = 0, nnr = 0;
+ struct iovec iov[1];
+
+ *nrp = 0;
+ iov->iov_base = buf;
+ iov->iov_len = *buflen;
+ msg->msg_iov = iov;
+ msg->msg_iovlen = 1;
+
+
+ for (;;) {
+ #ifndef MSG_XPG4_2
+ #define MSG_XPG4_2 0
+ #endif
+ msg->msg_flags = MSG_XPG4_2;
+ msg->msg_controllen = cmsglen;
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 80]
+\f
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+
+
+ nnr = recvmsg(fd, msg, 0);
+ if (nnr <= 0) {
+ /* EOF or error */
+ *nrp = nr;
+ return (NULL);
+ }
+ nr += nnr;
+
+ if ((msg->msg_flags & MSG_EOR) != 0) {
+ *nrp = nr;
+ return (buf);
+ }
+
+ /* Realloc the buffer? */
+ if (*buflen == (size_t)nr) {
+ buf = realloc(buf, *buflen * 2);
+ if (buf == 0) {
+ fprintf(stderr, "out of memory\n");
+ exit(1);
+ }
+ *buflen *= 2;
+ }
+ /* Set the next read offset */
+ iov->iov_base = (char *)buf + nr;
+ iov->iov_len = *buflen - nr;
+ }
+ }
+
+ static void
+ echo(int fd, int socketModeone_to_many)
+ {
+ ssize_t nr;
+ struct sctp_sndrcvinfo *sri;
+ struct msghdr msg[1];
+ struct cmsghdr *cmsg;
+ char cbuf[sizeof (*cmsg) + sizeof (*sri)];
+ char *buf;
+ size_t buflen;
+ struct iovec iov[1];
+ size_t cmsglen = sizeof (*cmsg) + sizeof (*sri);
+ /* Allocate the initial data buffer */
+ buflen = BUFLEN;
+ if (!(buf = malloc(BUFLEN))) {
+ fprintf(stderr, "out of memory\n");
+ exit(1);
+ }
+
+ /* Set up the msghdr structure for receiving */
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 81]
+\f
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+
+
+ memset(msg, 0, sizeof (*msg));
+ msg->msg_control = cbuf;
+ msg->msg_controllen = cmsglen;
+ msg->msg_flags = 0;
+ cmsg = (struct cmsghdr *)cbuf;
+ sri = (struct sctp_sndrcvinfo *)(cmsg + 1);
+
+ /* Wait for something to echo */
+ while (buf = mysctp_recvmsg(fd, msg,
+ buf, &buflen, &nr, cmsglen)) {
+
+ /* Intercept notifications here */
+ if (msg->msg_flags & MSG_NOTIFICATION) {
+ handle_event(buf);
+ continue;
+ }
+
+ iov->iov_base = buf;
+ iov->iov_len = nr;
+ msg->msg_iov = iov;
+ msg->msg_iovlen = 1;
+
+ printf("got %u bytes on stream %hu:\n", nr,
+ sri->sinfo_stream);
+ write(0, buf, nr);
+
+ /* Echo it back */
+ msg->msg_flags = MSG_XPG4_2;
+ if (sendmsg(fd, msg, 0) < 0) {
+ perror("sendmsg");
+ exit(1);
+ }
+ }
+
+ if (nr < 0) {
+ perror("recvmsg");
+ }
+ if(socketModeone_to_many == 0)
+ close(fd);
+ }
+
+ int main()
+ {
+ struct sctp_event_subscribe event;
+ int lfd, cfd;
+ int onoff = 1;
+ struct sockaddr_in sin[1];
+ if ((lfd = socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP)) == -1) {
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 82]
+\f
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+
+
+ perror("socket");
+ exit(1);
+ }
+
+ sin->sin_family = AF_INET;
+ sin->sin_port = htons(7);
+ sin->sin_addr.s_addr = INADDR_ANY;
+ if (bind(lfd, (struct sockaddr *)sin, sizeof (*sin)) == -1) {
+ perror("bind");
+ exit(1);
+ }
+
+ if (listen(lfd, 1) == -1) {
+ perror("listen");
+ exit(1);
+ }
+
+ /* Wait for new associations */
+ for (;;) {
+ if ((cfd = accept(lfd, NULL, 0)) == -1) {
+ perror("accept");
+ exit(1);
+ }
+
+ /* Enable all events */
+ event.sctp_data_io_event = 1;
+ event.sctp_association_event = 1;
+ event.sctp_address_event = 1;
+ event.sctp_send_failure_event = 1;
+ event.sctp_peer_error_event = 1;
+ event.sctp_shutdown_event = 1;
+ event.sctp_partial_delivery_event = 1;
+ event.sctp_adaptation_layer_event = 1;
+ if (setsockopt(cfd, IPPROTO_SCTP,
+ SCTP_EVENTS, &event,
+ sizeof(event)) != 0) {
+ perror("setevent failed");
+ exit(1);
+ }
+ /* Echo back any and all data */
+ echo(cfd,0);
+ }
+ }
+
+
+
+
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 83]
+\f
+Internet-Draft SCTP sockets API December 2006
+
+
+Appendix B. one-to-many style Code Example
+
+ The following code is a simple implementation of an echo server over
+ SCTP. The example shows how to use some features of one-to-many
+ style IPv4 SCTP sockets, including:
+
+ o Opening and binding of a socket;
+ o Enabling ancillary data
+ o Enabling notifications
+ o Using ancillary data with sendmsg() and recvmsg()
+ o Using MSG_EOR to determine if an entire message has been read
+ o Handling notifications
+
+ Note most functions defined in Appendix A are reused in this example.
+
+ int main()
+ {
+ int fd;
+ int idleTime = 2;
+ struct sockaddr_in sin[1];
+ struct sctp_event_subscribe event;
+
+ if ((fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP)) == -1) {
+ perror("socket");
+ exit(1);
+ }
+
+ sin->sin_family = AF_INET;
+ sin->sin_port = htons(7);
+ sin->sin_addr.s_addr = INADDR_ANY;
+ if (bind(fd, (struct sockaddr *)sin, sizeof (*sin)) == -1) {
+ perror("bind");
+ exit(1);
+ }
+
+ /* Enable all notifications and events */
+ event.sctp_data_io_event = 1;
+ event.sctp_association_event = 1;
+ event.sctp_address_event = 1;
+ event.sctp_send_failure_event = 1;
+ event.sctp_peer_error_event = 1;
+ event.sctp_shutdown_event = 1;
+ event.sctp_partial_delivery_event = 1;
+ event.sctp_adaptation_layer_event = 1;
+ if (setsockopt(fd, IPPROTO_SCTP,
+ SCTP_EVENTS, &event,
+ sizeof(event)) != 0) {
+ perror("setevent failed");
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 84]
+\f
+Internet-Draft SCTP sockets API December 2006
+
+
+ exit(1);
+ }
+ /* Set associations to auto-close in 2 seconds of
+ * inactivity
+ */
+ if (setsockopt(fd, IPPROTO_SCTP, SCTP_AUTOCLOSE,
+ &idleTime, 4) < 0) {
+ perror("setsockopt SCTP_AUTOCLOSE");
+ exit(1);
+ }
+
+ /* Allow new associations to be accepted */
+ if (listen(fd, 1) < 0) {
+ perror("listen");
+ exit(1);
+ }
+
+ /* Wait for new associations */
+ while(1){
+ /* Echo back any and all data */
+ echo(fd,1);
+ }
+ }
+
+
+Authors' Addresses
+
+ Randall R. Stewart
+ Cisco Systems, Inc.
+ 4875 Forest Drive
+ Suite 200
+ Columbia, SC 29206
+ USA
+
+ Phone:
+ Email: rrs@cisco.com
+
+
+ Qiaobing Xie
+ Motorola, Inc.
+ 1501 W. Shure Drive, #2309
+ Arlington Heights, IL 60004
+ USA
+
+ Phone:
+ Email: qxie1@email.mot.com
+
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 85]
+\f
+Internet-Draft SCTP sockets API December 2006
+
+
+ La Monte H.P. Yarroll
+ TimeSys Corp
+ 925 Liberty Ave.
+ Pittsburgh, PA 15222
+ USA
+
+ Phone:
+ Email: piggy@acm.org
+
+
+ Kacheong Poon
+ Sun Microsystems, Inc.
+ 4150 Network Circle
+ Santa Clara, CA 95054
+ USA
+
+ Phone:
+ Email: kacheong.poon@sun.com
+
+
+ Michael Tuexen
+ Univ. of Applied Sciences Muenster
+ Stegerwaldstr. 39
+ 48565 Steinfurt
+ Germany
+
+ Email: tuexen@fh-muenster.de
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 86]
+\f
+Internet-Draft SCTP sockets API December 2006
+
+
+Full Copyright Statement
+
+ Copyright (C) The IETF Trust (2006).
+
+ This document is subject to the rights, licenses and restrictions
+ contained in BCP 78, and except as set forth therein, the authors
+ retain all their rights.
+
+ This document and the information contained herein are provided on an
+ "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
+ OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY, THE IETF TRUST AND
+ THE INTERNET ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS
+ OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF
+ THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
+ WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+Intellectual Property
+
+ The IETF takes no position regarding the validity or scope of any
+ Intellectual Property Rights or other rights that might be claimed to
+ pertain to the implementation or use of the technology described in
+ this document or the extent to which any license under such rights
+ might or might not be available; nor does it represent that it has
+ made any independent effort to identify any such rights. Information
+ on the procedures with respect to rights in RFC documents can be
+ found in BCP 78 and BCP 79.
+
+ Copies of IPR disclosures made to the IETF Secretariat and any
+ assurances of licenses to be made available, or the result of an
+ attempt made to obtain a general license or permission for the use of
+ such proprietary rights by implementers or users of this
+ specification can be obtained from the IETF on-line IPR repository at
+ http://www.ietf.org/ipr.
+
+ The IETF invites any interested party to bring to its attention any
+ copyrights, patents or patent applications, or other proprietary
+ rights that may cover technology that may be required to implement
+ this standard. Please address the information to the IETF at
+ ietf-ipr@ietf.org.
+
+
+Acknowledgment
+
+ Funding for the RFC Editor function is provided by the IETF
+ Administrative Support Activity (IASA).
+
+
+
+
+
+Stewart, et al. Expires June 14, 2007 [Page 87]
+\f
+
--- /dev/null
+\r
+\r
+\r
+\r
+\r
+\r
+Network Working Group R. Stewart\r
+Request for Comments: 2960 Q. Xie\r
+Category: Standards Track Motorola\r
+ K. Morneault\r
+ C. Sharp\r
+ Cisco\r
+ H. Schwarzbauer\r
+ Siemens\r
+ T. Taylor\r
+ Nortel Networks\r
+ I. Rytina\r
+ Ericsson\r
+ M. Kalla\r
+ Telcordia\r
+ L. Zhang\r
+ UCLA\r
+ V. Paxson\r
+ ACIRI\r
+ October 2000\r
+\r
+\r
+ Stream Control Transmission Protocol\r
+\r
+Status of this Memo\r
+\r
+ This document specifies an Internet standards track protocol for the\r
+ Internet community, and requests discussion and suggestions for\r
+ improvements. Please refer to the current edition of the "Internet\r
+ Official Protocol Standards" (STD 1) for the standardization state\r
+ and status of this protocol. Distribution of this memo is unlimited.\r
+\r
+Copyright Notice\r
+\r
+ Copyright (C) The Internet Society (2000). All Rights Reserved.\r
+\r
+Abstract\r
+\r
+ This document describes the Stream Control Transmission Protocol\r
+ (SCTP). SCTP is designed to transport PSTN signaling messages over\r
+ IP networks, but is capable of broader applications.\r
+\r
+ SCTP is a reliable transport protocol operating on top of a\r
+ connectionless packet network such as IP. It offers the following\r
+ services to its users:\r
+\r
+ -- acknowledged error-free non-duplicated transfer of user data,\r
+ -- data fragmentation to conform to discovered path MTU size,\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 1]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ -- sequenced delivery of user messages within multiple streams,\r
+ with an option for order-of-arrival delivery of individual user\r
+ messages,\r
+ -- optional bundling of multiple user messages into a single SCTP\r
+ packet, and\r
+ -- network-level fault tolerance through supporting of multi-\r
+ homing at either or both ends of an association.\r
+\r
+ The design of SCTP includes appropriate congestion avoidance behavior\r
+ and resistance to flooding and masquerade attacks.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 2]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+Table of Contents\r
+\r
+ 1. Introduction.................................................. 5\r
+ 1.1 Motivation.................................................. 6\r
+ 1.2 Architectural View of SCTP.................................. 6\r
+ 1.3 Functional View of SCTP..................................... 7\r
+ 1.3.1 Association Startup and Takedown........................ 8\r
+ 1.3.2 Sequenced Delivery within Streams....................... 9\r
+ 1.3.3 User Data Fragmentation................................. 9\r
+ 1.3.4 Acknowledgement and Congestion Avoidance................ 9\r
+ 1.3.5 Chunk Bundling ......................................... 10\r
+ 1.3.6 Packet Validation....................................... 10\r
+ 1.3.7 Path Management......................................... 11\r
+ 1.4 Key Terms................................................... 11\r
+ 1.5 Abbreviations............................................... 15\r
+ 1.6 Serial Number Arithmetic.................................... 15\r
+ 2. Conventions.................................................... 16\r
+ 3. SCTP packet Format............................................ 16\r
+ 3.1 SCTP Common Header Field Descriptions....................... 17\r
+ 3.2 Chunk Field Descriptions.................................... 18\r
+ 3.2.1 Optional/Variable-length Parameter Format............... 20\r
+ 3.3 SCTP Chunk Definitions...................................... 21\r
+ 3.3.1 Payload Data (DATA)..................................... 22\r
+ 3.3.2 Initiation (INIT)....................................... 24\r
+ 3.3.2.1 Optional or Variable Length Parameters.............. 26\r
+ 3.3.3 Initiation Acknowledgement (INIT ACK)................... 30\r
+ 3.3.3.1 Optional or Variable Length Parameters.............. 33\r
+ 3.3.4 Selective Acknowledgement (SACK)........................ 33\r
+ 3.3.5 Heartbeat Request (HEARTBEAT)........................... 37\r
+ 3.3.6 Heartbeat Acknowledgement (HEARTBEAT ACK)............... 38\r
+ 3.3.7 Abort Association (ABORT)............................... 39\r
+ 3.3.8 Shutdown Association (SHUTDOWN)......................... 40\r
+ 3.3.9 Shutdown Acknowledgement (SHUTDOWN ACK)................. 40\r
+ 3.3.10 Operation Error (ERROR)................................ 41\r
+ 3.3.10.1 Invalid Stream Identifier.......................... 42\r
+ 3.3.10.2 Missing Mandatory Parameter........................ 43\r
+ 3.3.10.3 Stale Cookie Error................................. 43\r
+ 3.3.10.4 Out of Resource.................................... 44\r
+ 3.3.10.5 Unresolvable Address............................... 44\r
+ 3.3.10.6 Unrecognized Chunk Type............................ 44\r
+ 3.3.10.7 Invalid Mandatory Parameter........................ 45\r
+ 3.3.10.8 Unrecognized Parameters............................ 45\r
+ 3.3.10.9 No User Data....................................... 46\r
+ 3.3.10.10 Cookie Received While Shutting Down............... 46\r
+ 3.3.11 Cookie Echo (COOKIE ECHO).............................. 46\r
+ 3.3.12 Cookie Acknowledgement (COOKIE ACK).................... 47\r
+ 3.3.13 Shutdown Complete (SHUTDOWN COMPLETE).................. 48\r
+ 4. SCTP Association State Diagram................................. 48\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 3]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ 5. Association Initialization..................................... 52\r
+ 5.1 Normal Establishment of an Association...................... 52\r
+ 5.1.1 Handle Stream Parameters................................ 54\r
+ 5.1.2 Handle Address Parameters............................... 54\r
+ 5.1.3 Generating State Cookie................................. 56\r
+ 5.1.4 State Cookie Processing................................. 57\r
+ 5.1.5 State Cookie Authentication............................. 57\r
+ 5.1.6 An Example of Normal Association Establishment.......... 58\r
+ 5.2 Handle Duplicate or unexpected INIT, INIT ACK, COOKIE ECHO,\r
+ and COOKIE ACK.............................................. 60\r
+ 5.2.1 Handle Duplicate INIT in COOKIE-WAIT\r
+ or COOKIE-ECHOED States................................. 60\r
+ 5.2.2 Unexpected INIT in States Other than CLOSED,\r
+ COOKIE-ECHOED, COOKIE-WAIT and SHUTDOWN-ACK-SENT........ 61\r
+ 5.2.3 Unexpected INIT ACK..................................... 61\r
+ 5.2.4 Handle a COOKIE ECHO when a TCB exists.................. 62\r
+ 5.2.4.1 An Example of a Association Restart................. 64\r
+ 5.2.5 Handle Duplicate COOKIE ACK............................. 66\r
+ 5.2.6 Handle Stale COOKIE Error............................... 66\r
+ 5.3 Other Initialization Issues................................. 67\r
+ 5.3.1 Selection of Tag Value.................................. 67\r
+ 6. User Data Transfer............................................. 67\r
+ 6.1 Transmission of DATA Chunks................................. 69\r
+ 6.2 Acknowledgement on Reception of DATA Chunks................. 70\r
+ 6.2.1 Tracking Peer's Receive Buffer Space.................... 73\r
+ 6.3 Management Retransmission Timer............................. 75\r
+ 6.3.1 RTO Calculation......................................... 75\r
+ 6.3.2 Retransmission Timer Rules.............................. 76\r
+ 6.3.3 Handle T3-rtx Expiration................................ 77\r
+ 6.4 Multi-homed SCTP Endpoints.................................. 78\r
+ 6.4.1 Failover from Inactive Destination Address.............. 79\r
+ 6.5 Stream Identifier and Stream Sequence Number................ 80\r
+ 6.6 Ordered and Unordered Delivery.............................. 80\r
+ 6.7 Report Gaps in Received DATA TSNs........................... 81\r
+ 6.8 Adler-32 Checksum Calculation............................... 82\r
+ 6.9 Fragmentation............................................... 83\r
+ 6.10 Bundling .................................................. 84\r
+ 7. Congestion Control .......................................... 85\r
+ 7.1 SCTP Differences from TCP Congestion Control................ 85\r
+ 7.2 SCTP Slow-Start and Congestion Avoidance.................... 87\r
+ 7.2.1 Slow-Start.............................................. 87\r
+ 7.2.2 Congestion Avoidance.................................... 89\r
+ 7.2.3 Congestion Control...................................... 89\r
+ 7.2.4 Fast Retransmit on Gap Reports.......................... 90\r
+ 7.3 Path MTU Discovery.......................................... 91\r
+ 8. Fault Management.............................................. 92\r
+ 8.1 Endpoint Failure Detection.................................. 92\r
+ 8.2 Path Failure Detection...................................... 92\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 4]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ 8.3 Path Heartbeat.............................................. 93\r
+ 8.4 Handle "Out of the blue" Packets............................ 95\r
+ 8.5 Verification Tag............................................ 96\r
+ 8.5.1 Exceptions in Verification Tag Rules.................... 97\r
+ 9. Termination of Association..................................... 98\r
+ 9.1 Abort of an Association..................................... 98\r
+ 9.2 Shutdown of an Association.................................. 98\r
+ 10. Interface with Upper Layer....................................101\r
+ 10.1 ULP-to-SCTP................................................101\r
+ 10.2 SCTP-to-ULP................................................111\r
+ 11. Security Considerations.......................................114\r
+ 11.1 Security Objectives........................................114\r
+ 11.2 SCTP Responses To Potential Threats........................115\r
+ 11.2.1 Countering Insider Attacks.............................115\r
+ 11.2.2 Protecting against Data Corruption in the Network......115\r
+ 11.2.3 Protecting Confidentiality.............................115\r
+ 11.2.4 Protecting against Blind Denial of Service Attacks.....116\r
+ 11.2.4.1 Flooding...........................................116\r
+ 11.2.4.2 Blind Masquerade...................................118\r
+ 11.2.4.3 Improper Monopolization of Services................118\r
+ 11.3 Protection against Fraud and Repudiation...................119\r
+ 12. Recommended Transmission Control Block (TCB) Parameters.......120\r
+ 12.1 Parameters necessary for the SCTP instance.................120\r
+ 12.2 Parameters necessary per association (i.e. the TCB)........120\r
+ 12.3 Per Transport Address Data.................................122\r
+ 12.4 General Parameters Needed..................................123\r
+ 13. IANA Considerations...........................................123\r
+ 13.1 IETF-defined Chunk Extension...............................123\r
+ 13.2 IETF-defined Chunk Parameter Extension.....................124\r
+ 13.3 IETF-defined Additional Error Causes.......................124\r
+ 13.4 Payload Protocol Identifiers...............................125\r
+ 14. Suggested SCTP Protocol Parameter Values......................125\r
+ 15. Acknowledgements..............................................126\r
+ 16. Authors' Addresses............................................126\r
+ 17. References....................................................128\r
+ 18. Bibliography..................................................129\r
+ Appendix A .......................................................131\r
+ Appendix B .......................................................132\r
+ Full Copyright Statement .........................................134\r
+\r
+1. Introduction\r
+\r
+ This section explains the reasoning behind the development of the\r
+ Stream Control Transmission Protocol (SCTP), the services it offers,\r
+ and the basic concepts needed to understand the detailed description\r
+ of the protocol.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 5]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+1.1 Motivation\r
+\r
+ TCP [RFC793] has performed immense service as the primary means of\r
+ reliable data transfer in IP networks. However, an increasing number\r
+ of recent applications have found TCP too limiting, and have\r
+ incorporated their own reliable data transfer protocol on top of UDP\r
+ [RFC768]. The limitations which users have wished to bypass include\r
+ the following:\r
+\r
+ -- TCP provides both reliable data transfer and strict order-of-\r
+ transmission delivery of data. Some applications need reliable\r
+ transfer without sequence maintenance, while others would be\r
+ satisfied with partial ordering of the data. In both of these\r
+ cases the head-of-line blocking offered by TCP causes unnecessary\r
+ delay.\r
+\r
+ -- The stream-oriented nature of TCP is often an inconvenience.\r
+ Applications must add their own record marking to delineate their\r
+ messages, and must make explicit use of the push facility to\r
+ ensure that a complete message is transferred in a reasonable\r
+ time.\r
+\r
+ -- The limited scope of TCP sockets complicates the task of\r
+ providing highly-available data transfer capability using multi-\r
+ homed hosts.\r
+\r
+ -- TCP is relatively vulnerable to denial of service attacks, such\r
+ as SYN attacks.\r
+\r
+ Transport of PSTN signaling across the IP network is an application\r
+ for which all of these limitations of TCP are relevant. While this\r
+ application directly motivated the development of SCTP, other\r
+ applications may find SCTP a good match to their requirements.\r
+\r
+1.2 Architectural View of SCTP\r
+\r
+ SCTP is viewed as a layer between the SCTP user application ("SCTP\r
+ user" for short) and a connectionless packet network service such as\r
+ IP. The remainder of this document assumes SCTP runs on top of IP.\r
+ The basic service offered by SCTP is the reliable transfer of user\r
+ messages between peer SCTP users. It performs this service within\r
+ the context of an association between two SCTP endpoints. Section 10\r
+ of this document sketches the API which should exist at the boundary\r
+ between the SCTP and the SCTP user layers.\r
+\r
+ SCTP is connection-oriented in nature, but the SCTP association is a\r
+ broader concept than the TCP connection. SCTP provides the means for\r
+ each SCTP endpoint (Section 1.4) to provide the other endpoint\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 6]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ (during association startup) with a list of transport addresses\r
+ (i.e., multiple IP addresses in combination with an SCTP port)\r
+ through which that endpoint can be reached and from which it will\r
+ originate SCTP packets. The association spans transfers over all of\r
+ the possible source/destination combinations which may be generated\r
+ from each endpoint's lists.\r
+\r
+ _____________ _____________\r
+ | SCTP User | | SCTP User |\r
+ | Application | | Application |\r
+ |-------------| |-------------|\r
+ | SCTP | | SCTP |\r
+ | Transport | | Transport |\r
+ | Service | | Service |\r
+ |-------------| |-------------|\r
+ | |One or more ---- One or more| |\r
+ | IP Network |IP address \/ IP address| IP Network |\r
+ | Service |appearances /\ appearances| Service |\r
+ |_____________| ---- |_____________|\r
+\r
+ SCTP Node A |<-------- Network transport ------->| SCTP Node B\r
+\r
+ Figure 1: An SCTP Association\r
+\r
+1.3 Functional View of SCTP\r
+\r
+ The SCTP transport service can be decomposed into a number of\r
+ functions. These are depicted in Figure 2 and explained in the\r
+ remainder of this section.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 7]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ SCTP User Application\r
+\r
+ -----------------------------------------------------\r
+ _____________ ____________________\r
+ | | | Sequenced delivery |\r
+ | Association | | within streams |\r
+ | | |____________________|\r
+ | startup |\r
+ | | ____________________________\r
+ | and | | User Data Fragmentation |\r
+ | | |____________________________|\r
+ | takedown |\r
+ | | ____________________________\r
+ | | | Acknowledgement |\r
+ | | | and |\r
+ | | | Congestion Avoidance |\r
+ | | |____________________________|\r
+ | |\r
+ | | ____________________________\r
+ | | | Chunk Bundling |\r
+ | | |____________________________|\r
+ | |\r
+ | | ________________________________\r
+ | | | Packet Validation |\r
+ | | |________________________________|\r
+ | |\r
+ | | ________________________________\r
+ | | | Path Management |\r
+ |_____________| |________________________________|\r
+\r
+ Figure 2: Functional View of the SCTP Transport Service\r
+\r
+1.3.1 Association Startup and Takedown\r
+\r
+ An association is initiated by a request from the SCTP user (see the\r
+ description of the ASSOCIATE (or SEND) primitive in Section 10).\r
+\r
+ A cookie mechanism, similar to one described by Karn and Simpson in\r
+ [RFC2522], is employed during the initialization to provide\r
+ protection against security attacks. The cookie mechanism uses a\r
+ four-way handshake, the last two legs of which are allowed to carry\r
+ user data for fast setup. The startup sequence is described in\r
+ Section 5 of this document.\r
+\r
+ SCTP provides for graceful close (i.e., shutdown) of an active\r
+ association on request from the SCTP user. See the description of\r
+ the SHUTDOWN primitive in Section 10. SCTP also allows ungraceful\r
+ close (i.e., abort), either on request from the user (ABORT\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 8]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ primitive) or as a result of an error condition detected within the\r
+ SCTP layer. Section 9 describes both the graceful and the ungraceful\r
+ close procedures.\r
+\r
+ SCTP does not support a half-open state (like TCP) wherein one side\r
+ may continue sending data while the other end is closed. When either\r
+ endpoint performs a shutdown, the association on each peer will stop\r
+ accepting new data from its user and only deliver data in queue at\r
+ the time of the graceful close (see Section 9).\r
+\r
+1.3.2 Sequenced Delivery within Streams\r
+\r
+ The term "stream" is used in SCTP to refer to a sequence of user\r
+ messages that are to be delivered to the upper-layer protocol in\r
+ order with respect to other messages within the same stream. This is\r
+ in contrast to its usage in TCP, where it refers to a sequence of\r
+ bytes (in this document a byte is assumed to be eight bits).\r
+\r
+ The SCTP user can specify at association startup time the number of\r
+ streams to be supported by the association. This number is\r
+ negotiated with the remote end (see Section 5.1.1). User messages\r
+ are associated with stream numbers (SEND, RECEIVE primitives, Section\r
+ 10). Internally, SCTP assigns a stream sequence number to each\r
+ message passed to it by the SCTP user. On the receiving side, SCTP\r
+ ensures that messages are delivered to the SCTP user in sequence\r
+ within a given stream. However, while one stream may be blocked\r
+ waiting for the next in-sequence user message, delivery from other\r
+ streams may proceed.\r
+\r
+ SCTP provides a mechanism for bypassing the sequenced delivery\r
+ service. User messages sent using this mechanism are delivered to\r
+ the SCTP user as soon as they are received.\r
+\r
+1.3.3 User Data Fragmentation\r
+\r
+ When needed, SCTP fragments user messages to ensure that the SCTP\r
+ packet passed to the lower layer conforms to the path MTU. On\r
+ receipt, fragments are reassembled into complete messages before\r
+ being passed to the SCTP user.\r
+\r
+1.3.4 Acknowledgement and Congestion Avoidance\r
+\r
+ SCTP assigns a Transmission Sequence Number (TSN) to each user data\r
+ fragment or unfragmented message. The TSN is independent of any\r
+ stream sequence number assigned at the stream level. The receiving\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 9]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ end acknowledges all TSNs received, even if there are gaps in the\r
+ sequence. In this way, reliable delivery is kept functionally\r
+ separate from sequenced stream delivery.\r
+\r
+ The acknowledgement and congestion avoidance function is responsible\r
+ for packet retransmission when timely acknowledgement has not been\r
+ received. Packet retransmission is conditioned by congestion\r
+ avoidance procedures similar to those used for TCP. See Sections 6\r
+ and 7 for a detailed description of the protocol procedures\r
+ associated with this function.\r
+\r
+1.3.5 Chunk Bundling\r
+\r
+ As described in Section 3, the SCTP packet as delivered to the lower\r
+ layer consists of a common header followed by one or more chunks.\r
+ Each chunk may contain either user data or SCTP control information.\r
+ The SCTP user has the option to request bundling of more than one\r
+ user messages into a single SCTP packet. The chunk bundling function\r
+ of SCTP is responsible for assembly of the complete SCTP packet and\r
+ its disassembly at the receiving end.\r
+\r
+ During times of congestion an SCTP implementation MAY still perform\r
+ bundling even if the user has requested that SCTP not bundle. The\r
+ user's disabling of bundling only affects SCTP implementations that\r
+ may delay a small period of time before transmission (to attempt to\r
+ encourage bundling). When the user layer disables bundling, this\r
+ small delay is prohibited but not bundling that is performed during\r
+ congestion or retransmission.\r
+\r
+1.3.6 Packet Validation\r
+\r
+ A mandatory Verification Tag field and a 32 bit checksum field (see\r
+ Appendix B for a description of the Adler-32 checksum) are included\r
+ in the SCTP common header. The Verification Tag value is chosen by\r
+ each end of the association during association startup. Packets\r
+ received without the expected Verification Tag value are discarded,\r
+ as a protection against blind masquerade attacks and against stale\r
+ SCTP packets from a previous association. The Adler-32 checksum\r
+ should be set by the sender of each SCTP packet to provide additional\r
+ protection against data corruption in the network. The receiver of\r
+ an SCTP packet with an invalid Adler-32 checksum silently discards\r
+ the packet.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 10]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+1.3.7 Path Management\r
+\r
+ The sending SCTP user is able to manipulate the set of transport\r
+ addresses used as destinations for SCTP packets through the\r
+ primitives described in Section 10. The SCTP path management\r
+ function chooses the destination transport address for each outgoing\r
+ SCTP packet based on the SCTP user's instructions and the currently\r
+ perceived reachability status of the eligible destination set. The\r
+ path management function monitors reachability through heartbeats\r
+ when other packet traffic is inadequate to provide this information\r
+ and advises the SCTP user when reachability of any far-end transport\r
+ address changes. The path management function is also responsible\r
+ for reporting the eligible set of local transport addresses to the\r
+ far end during association startup, and for reporting the transport\r
+ addresses returned from the far end to the SCTP user.\r
+\r
+ At association start-up, a primary path is defined for each SCTP\r
+ endpoint, and is used for normal sending of SCTP packets.\r
+\r
+ On the receiving end, the path management is responsible for\r
+ verifying the existence of a valid SCTP association to which the\r
+ inbound SCTP packet belongs before passing it for further processing.\r
+\r
+ Note: Path Management and Packet Validation are done at the same\r
+ time, so although described separately above, in reality they cannot\r
+ be performed as separate items.\r
+\r
+1.4 Key Terms\r
+\r
+ Some of the language used to describe SCTP has been introduced in the\r
+ previous sections. This section provides a consolidated list of the\r
+ key terms and their definitions.\r
+\r
+ o Active destination transport address: A transport address on a\r
+ peer endpoint which a transmitting endpoint considers available\r
+ for receiving user messages.\r
+\r
+ o Bundling: An optional multiplexing operation, whereby more than\r
+ one user message may be carried in the same SCTP packet. Each\r
+ user message occupies its own DATA chunk.\r
+\r
+ o Chunk: A unit of information within an SCTP packet, consisting of\r
+ a chunk header and chunk-specific content.\r
+\r
+ o Congestion Window (cwnd): An SCTP variable that limits the data,\r
+ in number of bytes, a sender can send to a particular destination\r
+ transport address before receiving an acknowledgement.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 11]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ o Cumulative TSN Ack Point: The TSN of the last DATA chunk\r
+ acknowledged via the Cumulative TSN Ack field of a SACK.\r
+\r
+ o Idle destination address: An address that has not had user\r
+ messages sent to it within some length of time, normally the\r
+ HEARTBEAT interval or greater.\r
+\r
+ o Inactive destination transport address: An address which is\r
+ considered inactive due to errors and unavailable to transport\r
+ user messages.\r
+\r
+ o Message = user message: Data submitted to SCTP by the Upper Layer\r
+ Protocol (ULP).\r
+\r
+ o Message Authentication Code (MAC): An integrity check mechanism\r
+ based on cryptographic hash functions using a secret key.\r
+ Typically, message authentication codes are used between two\r
+ parties that share a secret key in order to validate information\r
+ transmitted between these parties. In SCTP it is used by an\r
+ endpoint to validate the State Cookie information that is returned\r
+ from the peer in the COOKIE ECHO chunk. The term "MAC" has\r
+ different meanings in different contexts. SCTP uses this term\r
+ with the same meaning as in [RFC2104].\r
+\r
+ o Network Byte Order: Most significant byte first, a.k.a., Big\r
+ Endian.\r
+\r
+ o Ordered Message: A user message that is delivered in order with\r
+ respect to all previous user messages sent within the stream the\r
+ message was sent on.\r
+\r
+ o Outstanding TSN (at an SCTP endpoint): A TSN (and the associated\r
+ DATA chunk) that has been sent by the endpoint but for which it\r
+ has not yet received an acknowledgement.\r
+\r
+ o Path: The route taken by the SCTP packets sent by one SCTP\r
+ endpoint to a specific destination transport address of its peer\r
+ SCTP endpoint. Sending to different destination transport\r
+ addresses does not necessarily guarantee getting separate paths.\r
+\r
+ o Primary Path: The primary path is the destination and source\r
+ address that will be put into a packet outbound to the peer\r
+ endpoint by default. The definition includes the source address\r
+ since an implementation MAY wish to specify both destination and\r
+ source address to better control the return path taken by reply\r
+ chunks and on which interface the packet is transmitted when the\r
+ data sender is multi-homed.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 12]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ o Receiver Window (rwnd): An SCTP variable a data sender uses to\r
+ store the most recently calculated receiver window of its peer, in\r
+ number of bytes. This gives the sender an indication of the space\r
+ available in the receiver's inbound buffer.\r
+\r
+ o SCTP association: A protocol relationship between SCTP endpoints,\r
+ composed of the two SCTP endpoints and protocol state information\r
+ including Verification Tags and the currently active set of\r
+ Transmission Sequence Numbers (TSNs), etc. An association can be\r
+ uniquely identified by the transport addresses used by the\r
+ endpoints in the association. Two SCTP endpoints MUST NOT have\r
+ more than one SCTP association between them at any given time.\r
+\r
+ o SCTP endpoint: The logical sender/receiver of SCTP packets. On a\r
+ multi-homed host, an SCTP endpoint is represented to its peers as\r
+ a combination of a set of eligible destination transport addresses\r
+ to which SCTP packets can be sent and a set of eligible source\r
+ transport addresses from which SCTP packets can be received. All\r
+ transport addresses used by an SCTP endpoint must use the same\r
+ port number, but can use multiple IP addresses. A transport\r
+ address used by an SCTP endpoint must not be used by another SCTP\r
+ endpoint. In other words, a transport address is unique to an\r
+ SCTP endpoint.\r
+\r
+ o SCTP packet (or packet): The unit of data delivery across the\r
+ interface between SCTP and the connectionless packet network\r
+ (e.g., IP). An SCTP packet includes the common SCTP header,\r
+ possible SCTP control chunks, and user data encapsulated within\r
+ SCTP DATA chunks.\r
+\r
+ o SCTP user application (SCTP user): The logical higher-layer\r
+ application entity which uses the services of SCTP, also called\r
+ the Upper-layer Protocol (ULP).\r
+\r
+ o Slow Start Threshold (ssthresh): An SCTP variable. This is the\r
+ threshold which the endpoint will use to determine whether to\r
+ perform slow start or congestion avoidance on a particular\r
+ destination transport address. Ssthresh is in number of bytes.\r
+\r
+ o Stream: A uni-directional logical channel established from one to\r
+ another associated SCTP endpoint, within which all user messages\r
+ are delivered in sequence except for those submitted to the\r
+ unordered delivery service.\r
+\r
+ Note: The relationship between stream numbers in opposite directions\r
+ is strictly a matter of how the applications use them. It is the\r
+ responsibility of the SCTP user to create and manage these\r
+ correlations if they are so desired.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 13]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ o Stream Sequence Number: A 16-bit sequence number used internally\r
+ by SCTP to assure sequenced delivery of the user messages within a\r
+ given stream. One stream sequence number is attached to each user\r
+ message.\r
+\r
+ o Tie-Tags: Verification Tags from a previous association. These\r
+ Tags are used within a State Cookie so that the newly restarting\r
+ association can be linked to the original association within the\r
+ endpoint that did not restart.\r
+\r
+ o Transmission Control Block (TCB): An internal data structure\r
+ created by an SCTP endpoint for each of its existing SCTP\r
+ associations to other SCTP endpoints. TCB contains all the status\r
+ and operational information for the endpoint to maintain and\r
+ manage the corresponding association.\r
+\r
+ o Transmission Sequence Number (TSN): A 32-bit sequence number used\r
+ internally by SCTP. One TSN is attached to each chunk containing\r
+ user data to permit the receiving SCTP endpoint to acknowledge its\r
+ receipt and detect duplicate deliveries.\r
+\r
+ o Transport address: A Transport Address is traditionally defined\r
+ by Network Layer address, Transport Layer protocol and Transport\r
+ Layer port number. In the case of SCTP running over IP, a\r
+ transport address is defined by the combination of an IP address\r
+ and an SCTP port number (where SCTP is the Transport protocol).\r
+\r
+ o Unacknowledged TSN (at an SCTP endpoint): A TSN (and the associated\r
+ DATA chunk) which has been received by the endpoint but for which\r
+ an acknowledgement has not yet been sent. Or in the opposite case,\r
+ for a packet that has been sent but no acknowledgement has been\r
+ received.\r
+\r
+ o Unordered Message: Unordered messages are "unordered" with respect\r
+ to any other message, this includes both other unordered messages\r
+ as well as other ordered messages. Unordered message might be\r
+ delivered prior to or later than ordered messages sent on the same\r
+ stream.\r
+\r
+ o User message: The unit of data delivery across the interface\r
+ between SCTP and its user.\r
+\r
+ o Verification Tag: A 32 bit unsigned integer that is randomly\r
+ generated. The Verification Tag provides a key that allows a\r
+ receiver to verify that the SCTP packet belongs to the current\r
+ association and is not an old or stale packet from a previous\r
+ association.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 14]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+1.5. Abbreviations\r
+\r
+ MAC - Message Authentication Code [RFC2104]\r
+\r
+ RTO - Retransmission Time-out\r
+\r
+ RTT - Round-trip Time\r
+\r
+ RTTVAR - Round-trip Time Variation\r
+\r
+ SCTP - Stream Control Transmission Protocol\r
+\r
+ SRTT - Smoothed RTT\r
+\r
+ TCB - Transmission Control Block\r
+\r
+ TLV - Type-Length-Value Coding Format\r
+\r
+ TSN - Transmission Sequence Number\r
+\r
+ ULP - Upper-layer Protocol\r
+\r
+1.6 Serial Number Arithmetic\r
+\r
+ It is essential to remember that the actual Transmission Sequence\r
+ Number space is finite, though very large. This space ranges from 0\r
+ to 2**32 - 1. Since the space is finite, all arithmetic dealing with\r
+ Transmission Sequence Numbers must be performed modulo 2**32. This\r
+ unsigned arithmetic preserves the relationship of sequence numbers as\r
+ they cycle from 2**32 - 1 to 0 again. There are some subtleties to\r
+ computer modulo arithmetic, so great care should be taken in\r
+ programming the comparison of such values. When referring to TSNs,\r
+ the symbol "=<" means "less than or equal"(modulo 2**32).\r
+\r
+ Comparisons and arithmetic on TSNs in this document SHOULD use Serial\r
+ Number Arithmetic as defined in [RFC1982] where SERIAL_BITS = 32.\r
+\r
+ An endpoint SHOULD NOT transmit a DATA chunk with a TSN that is more\r
+ than 2**31 - 1 above the beginning TSN of its current send window.\r
+ Doing so will cause problems in comparing TSNs.\r
+\r
+ Transmission Sequence Numbers wrap around when they reach 2**32 - 1.\r
+ That is, the next TSN a DATA chunk MUST use after transmitting TSN =\r
+ 2*32 - 1 is TSN = 0.\r
+\r
+ Any arithmetic done on Stream Sequence Numbers SHOULD use Serial\r
+ Number Arithmetic as defined in [RFC1982] where SERIAL_BITS = 16.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 15]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ All other arithmetic and comparisons in this document uses normal\r
+ arithmetic.\r
+\r
+2. Conventions\r
+\r
+ The keywords MUST, MUST NOT, REQUIRED, SHALL, SHALL NOT, SHOULD,\r
+ SHOULD NOT, RECOMMENDED, NOT RECOMMENDED, MAY, and OPTIONAL, when\r
+ they appear in this document, are to be interpreted as described in\r
+ [RFC2119].\r
+\r
+3. SCTP packet Format\r
+\r
+ An SCTP packet is composed of a common header and chunks. A chunk\r
+ contains either control information or user data.\r
+\r
+ The SCTP packet format is shown below:\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Common Header |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Chunk #1 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | ... |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Chunk #n |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Multiple chunks can be bundled into one SCTP packet up to the MTU\r
+ size, except for the INIT, INIT ACK, and SHUTDOWN COMPLETE chunks.\r
+ These chunks MUST NOT be bundled with any other chunk in a packet.\r
+ See Section 6.10 for more details on chunk bundling.\r
+\r
+ If a user data message doesn't fit into one SCTP packet it can be\r
+ fragmented into multiple chunks using the procedure defined in\r
+ Section 6.9.\r
+\r
+ All integer fields in an SCTP packet MUST be transmitted in network\r
+ byte order, unless otherwise stated.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 16]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+3.1 SCTP Common Header Field Descriptions\r
+\r
+ SCTP Common Header Format\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Source Port Number | Destination Port Number |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Verification Tag |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Checksum |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Source Port Number: 16 bits (unsigned integer)\r
+\r
+ This is the SCTP sender's port number. It can be used by the\r
+ receiver in combination with the source IP address, the SCTP\r
+ destination port and possibly the destination IP address to\r
+ identify the association to which this packet belongs.\r
+\r
+ Destination Port Number: 16 bits (unsigned integer)\r
+\r
+ This is the SCTP port number to which this packet is destined.\r
+ The receiving host will use this port number to de-multiplex the\r
+ SCTP packet to the correct receiving endpoint/application.\r
+\r
+ Verification Tag: 32 bits (unsigned integer)\r
+\r
+ The receiver of this packet uses the Verification Tag to validate\r
+ the sender of this SCTP packet. On transmit, the value of this\r
+ Verification Tag MUST be set to the value of the Initiate Tag\r
+ received from the peer endpoint during the association\r
+ initialization, with the following exceptions:\r
+\r
+ - A packet containing an INIT chunk MUST have a zero Verification\r
+ Tag.\r
+ - A packet containing a SHUTDOWN-COMPLETE chunk with the T-bit\r
+ set MUST have the Verification Tag copied from the packet with\r
+ the SHUTDOWN-ACK chunk.\r
+ - A packet containing an ABORT chunk may have the verification\r
+ tag copied from the packet which caused the ABORT to be sent.\r
+ For details see Section 8.4 and 8.5.\r
+\r
+ An INIT chunk MUST be the only chunk in the SCTP packet carrying it.\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 17]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Checksum: 32 bits (unsigned integer)\r
+\r
+ This field contains the checksum of this SCTP packet. Its\r
+ calculation is discussed in Section 6.8. SCTP uses the Adler-\r
+ 32 algorithm as described in Appendix B for calculating the\r
+ checksum\r
+\r
+3.2 Chunk Field Descriptions\r
+\r
+ The figure below illustrates the field format for the chunks to be\r
+ transmitted in the SCTP packet. Each chunk is formatted with a Chunk\r
+ Type field, a chunk-specific Flag field, a Chunk Length field, and a\r
+ Value field.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Chunk Type | Chunk Flags | Chunk Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ \ \\r
+ / Chunk Value /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Chunk Type: 8 bits (unsigned integer)\r
+\r
+ This field identifies the type of information contained in the\r
+ Chunk Value field. It takes a value from 0 to 254. The value of\r
+ 255 is reserved for future use as an extension field.\r
+\r
+ The values of Chunk Types are defined as follows:\r
+\r
+ ID Value Chunk Type\r
+ ----- ----------\r
+ 0 - Payload Data (DATA)\r
+ 1 - Initiation (INIT)\r
+ 2 - Initiation Acknowledgement (INIT ACK)\r
+ 3 - Selective Acknowledgement (SACK)\r
+ 4 - Heartbeat Request (HEARTBEAT)\r
+ 5 - Heartbeat Acknowledgement (HEARTBEAT ACK)\r
+ 6 - Abort (ABORT)\r
+ 7 - Shutdown (SHUTDOWN)\r
+ 8 - Shutdown Acknowledgement (SHUTDOWN ACK)\r
+ 9 - Operation Error (ERROR)\r
+ 10 - State Cookie (COOKIE ECHO)\r
+ 11 - Cookie Acknowledgement (COOKIE ACK)\r
+ 12 - Reserved for Explicit Congestion Notification Echo (ECNE)\r
+ 13 - Reserved for Congestion Window Reduced (CWR)\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 18]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ 14 - Shutdown Complete (SHUTDOWN COMPLETE)\r
+ 15 to 62 - reserved by IETF\r
+ 63 - IETF-defined Chunk Extensions\r
+ 64 to 126 - reserved by IETF\r
+ 127 - IETF-defined Chunk Extensions\r
+ 128 to 190 - reserved by IETF\r
+ 191 - IETF-defined Chunk Extensions\r
+ 192 to 254 - reserved by IETF\r
+ 255 - IETF-defined Chunk Extensions\r
+\r
+ Chunk Types are encoded such that the highest-order two bits specify\r
+ the action that must be taken if the processing endpoint does not\r
+ recognize the Chunk Type.\r
+\r
+ 00 - Stop processing this SCTP packet and discard it, do not process\r
+ any further chunks within it.\r
+\r
+ 01 - Stop processing this SCTP packet and discard it, do not process\r
+ any further chunks within it, and report the unrecognized\r
+ parameter in an 'Unrecognized Parameter Type' (in either an\r
+ ERROR or in the INIT ACK).\r
+\r
+ 10 - Skip this chunk and continue processing.\r
+\r
+ 11 - Skip this chunk and continue processing, but report in an ERROR\r
+ Chunk using the 'Unrecognized Chunk Type' cause of error.\r
+\r
+ Note: The ECNE and CWR chunk types are reserved for future use of\r
+ Explicit Congestion Notification (ECN).\r
+\r
+ Chunk Flags: 8 bits\r
+\r
+ The usage of these bits depends on the chunk type as given by the\r
+ Chunk Type. Unless otherwise specified, they are set to zero on\r
+ transmit and are ignored on receipt.\r
+\r
+ Chunk Length: 16 bits (unsigned integer)\r
+\r
+ This value represents the size of the chunk in bytes including the\r
+ Chunk Type, Chunk Flags, Chunk Length, and Chunk Value fields.\r
+ Therefore, if the Chunk Value field is zero-length, the Length\r
+ field will be set to 4. The Chunk Length field does not count any\r
+ padding.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 19]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Chunk Value: variable length\r
+\r
+ The Chunk Value field contains the actual information to be\r
+ transferred in the chunk. The usage and format of this field is\r
+ dependent on the Chunk Type.\r
+\r
+ The total length of a chunk (including Type, Length and Value fields)\r
+ MUST be a multiple of 4 bytes. If the length of the chunk is not a\r
+ multiple of 4 bytes, the sender MUST pad the chunk with all zero\r
+ bytes and this padding is not included in the chunk length field.\r
+ The sender should never pad with more than 3 bytes. The receiver\r
+ MUST ignore the padding bytes.\r
+\r
+ SCTP defined chunks are described in detail in Section 3.3. The\r
+ guidelines for IETF-defined chunk extensions can be found in Section\r
+ 13.1 of this document.\r
+\r
+3.2.1 Optional/Variable-length Parameter Format\r
+\r
+ Chunk values of SCTP control chunks consist of a chunk-type-specific\r
+ header of required fields, followed by zero or more parameters. The\r
+ optional and variable-length parameters contained in a chunk are\r
+ defined in a Type-Length-Value format as shown below.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Parameter Type | Parameter Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ \ \\r
+ / Parameter Value /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Chunk Parameter Type: 16 bits (unsigned integer)\r
+\r
+ The Type field is a 16 bit identifier of the type of parameter.\r
+ It takes a value of 0 to 65534.\r
+\r
+ The value of 65535 is reserved for IETF-defined extensions. Values\r
+ other than those defined in specific SCTP chunk description are\r
+ reserved for use by IETF.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 20]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Chunk Parameter Length: 16 bits (unsigned integer)\r
+\r
+ The Parameter Length field contains the size of the parameter in\r
+ bytes, including the Parameter Type, Parameter Length, and\r
+ Parameter Value fields. Thus, a parameter with a zero-length\r
+ Parameter Value field would have a Length field of 4. The\r
+ Parameter Length does not include any padding bytes.\r
+\r
+ Chunk Parameter Value: variable-length.\r
+\r
+ The Parameter Value field contains the actual information to be\r
+ transferred in the parameter.\r
+\r
+ The total length of a parameter (including Type, Parameter Length and\r
+ Value fields) MUST be a multiple of 4 bytes. If the length of the\r
+ parameter is not a multiple of 4 bytes, the sender pads the Parameter\r
+ at the end (i.e., after the Parameter Value field) with all zero\r
+ bytes. The length of the padding is not included in the parameter\r
+ length field. A sender SHOULD NOT pad with more than 3 bytes. The\r
+ receiver MUST ignore the padding bytes.\r
+\r
+ The Parameter Types are encoded such that the highest-order two bits\r
+ specify the action that must be taken if the processing endpoint does\r
+ not recognize the Parameter Type.\r
+\r
+ 00 - Stop processing this SCTP packet and discard it, do not process\r
+ any further chunks within it.\r
+\r
+ 01 - Stop processing this SCTP packet and discard it, do not process\r
+ any further chunks within it, and report the unrecognized\r
+ parameter in an 'Unrecognized Parameter Type' (in either an\r
+ ERROR or in the INIT ACK).\r
+\r
+ 10 - Skip this parameter and continue processing.\r
+\r
+ 11 - Skip this parameter and continue processing but report the\r
+ unrecognized parameter in an 'Unrecognized Parameter Type' (in\r
+ either an ERROR or in the INIT ACK).\r
+\r
+ The actual SCTP parameters are defined in the specific SCTP chunk\r
+ sections. The rules for IETF-defined parameter extensions are\r
+ defined in Section 13.2.\r
+\r
+3.3 SCTP Chunk Definitions\r
+\r
+ This section defines the format of the different SCTP chunk types.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 21]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+3.3.1 Payload Data (DATA) (0)\r
+\r
+ The following format MUST be used for the DATA chunk:\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 0 | Reserved|U|B|E| Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | TSN |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Stream Identifier S | Stream Sequence Number n |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Payload Protocol Identifier |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ \ \\r
+ / User Data (seq n of Stream S) /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Reserved: 5 bits\r
+\r
+ Should be set to all '0's and ignored by the receiver.\r
+\r
+ U bit: 1 bit\r
+\r
+ The (U)nordered bit, if set to '1', indicates that this is an\r
+ unordered DATA chunk, and there is no Stream Sequence Number\r
+ assigned to this DATA chunk. Therefore, the receiver MUST ignore\r
+ the Stream Sequence Number field.\r
+\r
+ After re-assembly (if necessary), unordered DATA chunks MUST be\r
+ dispatched to the upper layer by the receiver without any attempt\r
+ to re-order.\r
+\r
+ If an unordered user message is fragmented, each fragment of the\r
+ message MUST have its U bit set to '1'.\r
+\r
+ B bit: 1 bit\r
+\r
+ The (B)eginning fragment bit, if set, indicates the first fragment\r
+ of a user message.\r
+\r
+ E bit: 1 bit\r
+\r
+ The (E)nding fragment bit, if set, indicates the last fragment of\r
+ a user message.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 22]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ An unfragmented user message shall have both the B and E bits set to\r
+ '1'. Setting both B and E bits to '0' indicates a middle fragment of\r
+ a multi-fragment user message, as summarized in the following table:\r
+\r
+ B E Description\r
+ ============================================================\r
+ | 1 0 | First piece of a fragmented user message |\r
+ +----------------------------------------------------------+\r
+ | 0 0 | Middle piece of a fragmented user message |\r
+ +----------------------------------------------------------+\r
+ | 0 1 | Last piece of a fragmented user message |\r
+ +----------------------------------------------------------+\r
+ | 1 1 | Unfragmented Message |\r
+ ============================================================\r
+ | Table 1: Fragment Description Flags |\r
+ ============================================================\r
+\r
+ When a user message is fragmented into multiple chunks, the TSNs are\r
+ used by the receiver to reassemble the message. This means that the\r
+ TSNs for each fragment of a fragmented user message MUST be strictly\r
+ sequential.\r
+\r
+ Length: 16 bits (unsigned integer)\r
+\r
+ This field indicates the length of the DATA chunk in bytes from\r
+ the beginning of the type field to the end of the user data field\r
+ excluding any padding. A DATA chunk with no user data field will\r
+ have Length set to 16 (indicating 16 bytes).\r
+\r
+ TSN : 32 bits (unsigned integer)\r
+\r
+ This value represents the TSN for this DATA chunk. The valid\r
+ range of TSN is from 0 to 4294967295 (2**32 - 1). TSN wraps back\r
+ to 0 after reaching 4294967295.\r
+\r
+ Stream Identifier S: 16 bits (unsigned integer)\r
+\r
+ Identifies the stream to which the following user data belongs.\r
+\r
+ Stream Sequence Number n: 16 bits (unsigned integer)\r
+\r
+ This value represents the stream sequence number of the following\r
+ user data within the stream S. Valid range is 0 to 65535.\r
+\r
+ When a user message is fragmented by SCTP for transport, the same\r
+ stream sequence number MUST be carried in each of the fragments of\r
+ the message.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 23]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Payload Protocol Identifier: 32 bits (unsigned integer)\r
+\r
+ This value represents an application (or upper layer) specified\r
+ protocol identifier. This value is passed to SCTP by its upper\r
+ layer and sent to its peer. This identifier is not used by SCTP\r
+ but can be used by certain network entities as well as the peer\r
+ application to identify the type of information being carried in\r
+ this DATA chunk. This field must be sent even in fragmented DATA\r
+ chunks (to make sure it is available for agents in the middle of\r
+ the network).\r
+\r
+ The value 0 indicates no application identifier is specified by\r
+ the upper layer for this payload data.\r
+\r
+ User Data: variable length\r
+\r
+ This is the payload user data. The implementation MUST pad the\r
+ end of the data to a 4 byte boundary with all-zero bytes. Any\r
+ padding MUST NOT be included in the length field. A sender MUST\r
+ never add more than 3 bytes of padding.\r
+\r
+3.3.2 Initiation (INIT) (1)\r
+\r
+ This chunk is used to initiate a SCTP association between two\r
+ endpoints. The format of the INIT chunk is shown below:\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 1 | Chunk Flags | Chunk Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Initiate Tag |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Advertised Receiver Window Credit (a_rwnd) |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Number of Outbound Streams | Number of Inbound Streams |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Initial TSN |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ \ \\r
+ / Optional/Variable-Length Parameters /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ The INIT chunk contains the following parameters. Unless otherwise\r
+ noted, each parameter MUST only be included once in the INIT chunk.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 24]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Fixed Parameters Status\r
+ ----------------------------------------------\r
+ Initiate Tag Mandatory\r
+ Advertised Receiver Window Credit Mandatory\r
+ Number of Outbound Streams Mandatory\r
+ Number of Inbound Streams Mandatory\r
+ Initial TSN Mandatory\r
+\r
+ Variable Parameters Status Type Value\r
+ -------------------------------------------------------------\r
+ IPv4 Address (Note 1) Optional 5\r
+ IPv6 Address (Note 1) Optional 6\r
+ Cookie Preservative Optional 9\r
+ Reserved for ECN Capable (Note 2) Optional 32768 (0x8000)\r
+ Host Name Address (Note 3) Optional 11\r
+ Supported Address Types (Note 4) Optional 12\r
+\r
+ Note 1: The INIT chunks can contain multiple addresses that can be\r
+ IPv4 and/or IPv6 in any combination.\r
+\r
+ Note 2: The ECN capable field is reserved for future use of Explicit\r
+ Congestion Notification.\r
+\r
+ Note 3: An INIT chunk MUST NOT contain more than one Host Name\r
+ address parameter. Moreover, the sender of the INIT MUST NOT combine\r
+ any other address types with the Host Name address in the INIT. The\r
+ receiver of INIT MUST ignore any other address types if the Host Name\r
+ address parameter is present in the received INIT chunk.\r
+\r
+ Note 4: This parameter, when present, specifies all the address types\r
+ the sending endpoint can support. The absence of this parameter\r
+ indicates that the sending endpoint can support any address type.\r
+\r
+ The Chunk Flags field in INIT is reserved and all bits in it should\r
+ be set to 0 by the sender and ignored by the receiver. The sequence\r
+ of parameters within an INIT can be processed in any order.\r
+\r
+ Initiate Tag: 32 bits (unsigned integer)\r
+\r
+ The receiver of the INIT (the responding end) records the value of\r
+ the Initiate Tag parameter. This value MUST be placed into the\r
+ Verification Tag field of every SCTP packet that the receiver of\r
+ the INIT transmits within this association.\r
+\r
+ The Initiate Tag is allowed to have any value except 0. See\r
+ Section 5.3.1 for more on the selection of the tag value.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 25]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ If the value of the Initiate Tag in a received INIT chunk is found\r
+ to be 0, the receiver MUST treat it as an error and close the\r
+ association by transmitting an ABORT.\r
+\r
+ Advertised Receiver Window Credit (a_rwnd): 32 bits (unsigned\r
+ integer)\r
+\r
+ This value represents the dedicated buffer space, in number of\r
+ bytes, the sender of the INIT has reserved in association with\r
+ this window. During the life of the association this buffer space\r
+ SHOULD not be lessened (i.e. dedicated buffers taken away from\r
+ this association); however, an endpoint MAY change the value of\r
+ a_rwnd it sends in SACK chunks.\r
+\r
+ Number of Outbound Streams (OS): 16 bits (unsigned integer)\r
+\r
+ Defines the number of outbound streams the sender of this INIT\r
+ chunk wishes to create in this association. The value of 0 MUST\r
+ NOT be used.\r
+\r
+ Note: A receiver of an INIT with the OS value set to 0 SHOULD\r
+ abort the association.\r
+\r
+ Number of Inbound Streams (MIS) : 16 bits (unsigned integer)\r
+\r
+ Defines the maximum number of streams the sender of this INIT\r
+ chunk allows the peer end to create in this association. The\r
+ value 0 MUST NOT be used.\r
+\r
+ Note: There is no negotiation of the actual number of streams but\r
+ instead the two endpoints will use the min(requested, offered).\r
+ See Section 5.1.1 for details.\r
+\r
+ Note: A receiver of an INIT with the MIS value of 0 SHOULD abort\r
+ the association.\r
+\r
+ Initial TSN (I-TSN) : 32 bits (unsigned integer)\r
+\r
+ Defines the initial TSN that the sender will use. The valid range\r
+ is from 0 to 4294967295. This field MAY be set to the value of\r
+ the Initiate Tag field.\r
+\r
+3.3.2.1 Optional/Variable Length Parameters in INIT\r
+\r
+ The following parameters follow the Type-Length-Value format as\r
+ defined in Section 3.2.1. Any Type-Length-Value fields MUST come\r
+ after the fixed-length fields defined in the previous section.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 26]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ IPv4 Address Parameter (5)\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 5 | Length = 8 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | IPv4 Address |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+\r
+ IPv4 Address: 32 bits (unsigned integer)\r
+\r
+ Contains an IPv4 address of the sending endpoint. It is binary\r
+ encoded.\r
+\r
+ IPv6 Address Parameter (6)\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 6 | Length = 20 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | |\r
+ | IPv6 Address |\r
+ | |\r
+ | |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ IPv6 Address: 128 bit (unsigned integer)\r
+\r
+ Contains an IPv6 address of the sending endpoint. It is binary\r
+ encoded.\r
+\r
+ Note: A sender MUST NOT use an IPv4-mapped IPv6 address [RFC2373]\r
+ but should instead use an IPv4 Address Parameter for an IPv4\r
+ address.\r
+\r
+ Combined with the Source Port Number in the SCTP common header,\r
+ the value passed in an IPv4 or IPv6 Address parameter indicates a\r
+ transport address the sender of the INIT will support for the\r
+ association being initiated. That is, during the lifetime of this\r
+ association, this IP address can appear in the source address\r
+ field of an IP datagram sent from the sender of the INIT, and can\r
+ be used as a destination address of an IP datagram sent from the\r
+ receiver of the INIT.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 27]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ More than one IP Address parameter can be included in an INIT\r
+ chunk when the INIT sender is multi-homed. Moreover, a multi-\r
+ homed endpoint may have access to different types of network, thus\r
+ more than one address type can be present in one INIT chunk, i.e.,\r
+ IPv4 and IPv6 addresses are allowed in the same INIT chunk.\r
+\r
+ If the INIT contains at least one IP Address parameter, then the\r
+ source address of the IP datagram containing the INIT chunk and\r
+ any additional address(es) provided within the INIT can be used as\r
+ destinations by the endpoint receiving the INIT. If the INIT does\r
+ not contain any IP Address parameters, the endpoint receiving the\r
+ INIT MUST use the source address associated with the received IP\r
+ datagram as its sole destination address for the association.\r
+\r
+ Note that not using any IP address parameters in the INIT and\r
+ INIT-ACK is an alternative to make an association more likely to\r
+ work across a NAT box.\r
+\r
+ Cookie Preservative (9)\r
+\r
+ The sender of the INIT shall use this parameter to suggest to the\r
+ receiver of the INIT for a longer life-span of the State Cookie.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 9 | Length = 8 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Suggested Cookie Life-span Increment (msec.) |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Suggested Cookie Life-span Increment: 32 bits (unsigned integer)\r
+\r
+ This parameter indicates to the receiver how much increment in\r
+ milliseconds the sender wishes the receiver to add to its default\r
+ cookie life-span.\r
+\r
+ This optional parameter should be added to the INIT chunk by the\r
+ sender when it re-attempts establishing an association with a peer\r
+ to which its previous attempt of establishing the association failed\r
+ due to a stale cookie operation error. The receiver MAY choose to\r
+ ignore the suggested cookie life-span increase for its own security\r
+ reasons.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 28]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Host Name Address (11)\r
+\r
+ The sender of INIT uses this parameter to pass its Host Name (in\r
+ place of its IP addresses) to its peer. The peer is responsible\r
+ for resolving the name. Using this parameter might make it more\r
+ likely for the association to work across a NAT box.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 11 | Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ / Host Name /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Host Name: variable length\r
+\r
+ This field contains a host name in "host name syntax" per RFC1123\r
+ Section 2.1 [RFC1123]. The method for resolving the host name is\r
+ out of scope of SCTP.\r
+\r
+ Note: At least one null terminator is included in the Host Name\r
+ string and must be included in the length.\r
+\r
+ Supported Address Types (12)\r
+\r
+ The sender of INIT uses this parameter to list all the address\r
+ types it can support.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 12 | Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Address Type #1 | Address Type #2 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | ......\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Address Type: 16 bits (unsigned integer)\r
+\r
+ This is filled with the type value of the corresponding address\r
+ TLV (e.g., IPv4 = 5, IPv6 = 6, Hostname = 11).\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 29]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+3.3.3 Initiation Acknowledgement (INIT ACK) (2):\r
+\r
+ The INIT ACK chunk is used to acknowledge the initiation of an SCTP\r
+ association.\r
+\r
+ The parameter part of INIT ACK is formatted similarly to the INIT\r
+ chunk. It uses two extra variable parameters: The State Cookie and\r
+ the Unrecognized Parameter:\r
+\r
+ The format of the INIT ACK chunk is shown below:\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 2 | Chunk Flags | Chunk Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Initiate Tag |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Advertised Receiver Window Credit |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Number of Outbound Streams | Number of Inbound Streams |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Initial TSN |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ \ \\r
+ / Optional/Variable-Length Parameters /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Initiate Tag: 32 bits (unsigned integer)\r
+\r
+ The receiver of the INIT ACK records the value of the Initiate Tag\r
+ parameter. This value MUST be placed into the Verification Tag\r
+ field of every SCTP packet that the INIT ACK receiver transmits\r
+ within this association.\r
+\r
+ The Initiate Tag MUST NOT take the value 0. See Section 5.3.1 for\r
+ more on the selection of the Initiate Tag value.\r
+\r
+ If the value of the Initiate Tag in a received INIT ACK chunk is\r
+ found to be 0, the receiver MUST treat it as an error and close\r
+ the association by transmitting an ABORT.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 30]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Advertised Receiver Window Credit (a_rwnd): 32 bits (unsigned\r
+ integer)\r
+\r
+ This value represents the dedicated buffer space, in number of\r
+ bytes, the sender of the INIT ACK has reserved in association with\r
+ this window. During the life of the association this buffer space\r
+ SHOULD not be lessened (i.e. dedicated buffers taken away from\r
+ this association).\r
+\r
+ Number of Outbound Streams (OS): 16 bits (unsigned integer)\r
+\r
+ Defines the number of outbound streams the sender of this INIT ACK\r
+ chunk wishes to create in this association. The value of 0 MUST\r
+ NOT be used.\r
+\r
+ Note: A receiver of an INIT ACK with the OS value set to 0 SHOULD\r
+ destroy the association discarding its TCB.\r
+\r
+ Number of Inbound Streams (MIS) : 16 bits (unsigned integer)\r
+\r
+ Defines the maximum number of streams the sender of this INIT ACK\r
+ chunk allows the peer end to create in this association. The\r
+ value 0 MUST NOT be used.\r
+\r
+ Note: There is no negotiation of the actual number of streams but\r
+ instead the two endpoints will use the min(requested, offered).\r
+ See Section 5.1.1 for details.\r
+\r
+ Note: A receiver of an INIT ACK with the MIS value set to 0\r
+ SHOULD destroy the association discarding its TCB.\r
+\r
+ Initial TSN (I-TSN) : 32 bits (unsigned integer)\r
+\r
+ Defines the initial TSN that the INIT-ACK sender will use. The\r
+ valid range is from 0 to 4294967295. This field MAY be set to the\r
+ value of the Initiate Tag field.\r
+\r
+ Fixed Parameters Status\r
+ ----------------------------------------------\r
+ Initiate Tag Mandatory\r
+ Advertised Receiver Window Credit Mandatory\r
+ Number of Outbound Streams Mandatory\r
+ Number of Inbound Streams Mandatory\r
+ Initial TSN Mandatory\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 31]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Variable Parameters Status Type Value\r
+ -------------------------------------------------------------\r
+ State Cookie Mandatory 7\r
+ IPv4 Address (Note 1) Optional 5\r
+ IPv6 Address (Note 1) Optional 6\r
+ Unrecognized Parameters Optional 8\r
+ Reserved for ECN Capable (Note 2) Optional 32768 (0x8000)\r
+ Host Name Address (Note 3) Optional 11\r
+\r
+ Note 1: The INIT ACK chunks can contain any number of IP address\r
+ parameters that can be IPv4 and/or IPv6 in any combination.\r
+\r
+ Note 2: The ECN capable field is reserved for future use of Explicit\r
+ Congestion Notification.\r
+\r
+ Note 3: The INIT ACK chunks MUST NOT contain more than one Host Name\r
+ address parameter. Moreover, the sender of the INIT ACK MUST NOT\r
+ combine any other address types with the Host Name address in the\r
+ INIT ACK. The receiver of the INIT ACK MUST ignore any other address\r
+ types if the Host Name address parameter is present.\r
+\r
+ IMPLEMENTATION NOTE: An implementation MUST be prepared to receive a\r
+ INIT ACK that is quite large (more than 1500 bytes) due to the\r
+ variable size of the state cookie AND the variable address list. For\r
+ example if a responder to the INIT has 1000 IPv4 addresses it wishes\r
+ to send, it would need at least 8,000 bytes to encode this in the\r
+ INIT ACK.\r
+\r
+ In combination with the Source Port carried in the SCTP common\r
+ header, each IP Address parameter in the INIT ACK indicates to the\r
+ receiver of the INIT ACK a valid transport address supported by the\r
+ sender of the INIT ACK for the lifetime of the association being\r
+ initiated.\r
+\r
+ If the INIT ACK contains at least one IP Address parameter, then the\r
+ source address of the IP datagram containing the INIT ACK and any\r
+ additional address(es) provided within the INIT ACK may be used as\r
+ destinations by the receiver of the INIT-ACK. If the INIT ACK does\r
+ not contain any IP Address parameters, the receiver of the INIT-ACK\r
+ MUST use the source address associated with the received IP datagram\r
+ as its sole destination address for the association.\r
+\r
+ The State Cookie and Unrecognized Parameters use the Type-Length-\r
+ Value format as defined in Section 3.2.1 and are described below.\r
+ The other fields are defined the same as their counterparts in the\r
+ INIT chunk.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 32]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+3.3.3.1 Optional or Variable Length Parameters\r
+\r
+ State Cookie\r
+\r
+ Parameter Type Value: 7\r
+\r
+ Parameter Length: variable size, depending on Size of Cookie\r
+\r
+ Parameter Value:\r
+\r
+ This parameter value MUST contain all the necessary state and\r
+ parameter information required for the sender of this INIT ACK\r
+ to create the association, along with a Message Authentication\r
+ Code (MAC). See Section 5.1.3 for details on State Cookie\r
+ definition.\r
+\r
+ Unrecognized Parameters:\r
+\r
+ Parameter Type Value: 8\r
+\r
+ Parameter Length: Variable Size.\r
+\r
+ Parameter Value:\r
+\r
+ This parameter is returned to the originator of the INIT chunk\r
+ when the INIT contains an unrecognized parameter which has a\r
+ value that indicates that it should be reported to the sender.\r
+ This parameter value field will contain unrecognized parameters\r
+ copied from the INIT chunk complete with Parameter Type, Length\r
+ and Value fields.\r
+\r
+3.3.4 Selective Acknowledgement (SACK) (3):\r
+\r
+ This chunk is sent to the peer endpoint to acknowledge received DATA\r
+ chunks and to inform the peer endpoint of gaps in the received\r
+ subsequences of DATA chunks as represented by their TSNs.\r
+\r
+ The SACK MUST contain the Cumulative TSN Ack and Advertised Receiver\r
+ Window Credit (a_rwnd) parameters.\r
+\r
+ By definition, the value of the Cumulative TSN Ack parameter is the\r
+ last TSN received before a break in the sequence of received TSNs\r
+ occurs; the next TSN value following this one has not yet been\r
+ received at the endpoint sending the SACK. This parameter therefore\r
+ acknowledges receipt of all TSNs less than or equal to its value.\r
+\r
+ The handling of a_rwnd by the receiver of the SACK is discussed in\r
+ detail in Section 6.2.1.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 33]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ The SACK also contains zero or more Gap Ack Blocks. Each Gap Ack\r
+ Block acknowledges a subsequence of TSNs received following a break\r
+ in the sequence of received TSNs. By definition, all TSNs\r
+ acknowledged by Gap Ack Blocks are greater than the value of the\r
+ Cumulative TSN Ack.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 3 |Chunk Flags | Chunk Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cumulative TSN Ack |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Advertised Receiver Window Credit (a_rwnd) |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Number of Gap Ack Blocks = N | Number of Duplicate TSNs = X |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Gap Ack Block #1 Start | Gap Ack Block #1 End |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ / /\r
+ \ ... \\r
+ / /\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Gap Ack Block #N Start | Gap Ack Block #N End |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Duplicate TSN 1 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ / /\r
+ \ ... \\r
+ / /\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Duplicate TSN X |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Chunk Flags: 8 bits\r
+\r
+ Set to all zeros on transmit and ignored on receipt.\r
+\r
+ Cumulative TSN Ack: 32 bits (unsigned integer)\r
+\r
+ This parameter contains the TSN of the last DATA chunk received in\r
+ sequence before a gap.\r
+\r
+ Advertised Receiver Window Credit (a_rwnd): 32 bits (unsigned\r
+ integer)\r
+\r
+ This field indicates the updated receive buffer space in bytes of\r
+ the sender of this SACK, see Section 6.2.1 for details.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 34]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Number of Gap Ack Blocks: 16 bits (unsigned integer)\r
+\r
+ Indicates the number of Gap Ack Blocks included in this SACK.\r
+\r
+ Number of Duplicate TSNs: 16 bit\r
+\r
+ This field contains the number of duplicate TSNs the endpoint has\r
+ received. Each duplicate TSN is listed following the Gap Ack\r
+ Block list.\r
+\r
+ Gap Ack Blocks:\r
+\r
+ These fields contain the Gap Ack Blocks. They are repeated for\r
+ each Gap Ack Block up to the number of Gap Ack Blocks defined in\r
+ the Number of Gap Ack Blocks field. All DATA chunks with TSNs\r
+ greater than or equal to (Cumulative TSN Ack + Gap Ack Block\r
+ Start) and less than or equal to (Cumulative TSN Ack + Gap Ack\r
+ Block End) of each Gap Ack Block are assumed to have been received\r
+ correctly.\r
+\r
+ Gap Ack Block Start: 16 bits (unsigned integer)\r
+\r
+ Indicates the Start offset TSN for this Gap Ack Block. To\r
+ calculate the actual TSN number the Cumulative TSN Ack is added to\r
+ this offset number. This calculated TSN identifies the first TSN\r
+ in this Gap Ack Block that has been received.\r
+\r
+ Gap Ack Block End: 16 bits (unsigned integer)\r
+\r
+ Indicates the End offset TSN for this Gap Ack Block. To calculate\r
+ the actual TSN number the Cumulative TSN Ack is added to this\r
+ offset number. This calculated TSN identifies the TSN of the last\r
+ DATA chunk received in this Gap Ack Block.\r
+\r
+ For example, assume the receiver has the following DATA chunks newly\r
+ arrived at the time when it decides to send a Selective ACK,\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 35]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ ----------\r
+ | TSN=17 |\r
+ ----------\r
+ | | <- still missing\r
+ ----------\r
+ | TSN=15 |\r
+ ----------\r
+ | TSN=14 |\r
+ ----------\r
+ | | <- still missing\r
+ ----------\r
+ | TSN=12 |\r
+ ----------\r
+ | TSN=11 |\r
+ ----------\r
+ | TSN=10 |\r
+ ----------\r
+\r
+ then, the parameter part of the SACK MUST be constructed as follows\r
+ (assuming the new a_rwnd is set to 4660 by the sender):\r
+\r
+ +--------------------------------+\r
+ | Cumulative TSN Ack = 12 |\r
+ +--------------------------------+\r
+ | a_rwnd = 4660 |\r
+ +----------------+---------------+\r
+ | num of block=2 | num of dup=0 |\r
+ +----------------+---------------+\r
+ |block #1 strt=2 |block #1 end=3 |\r
+ +----------------+---------------+\r
+ |block #2 strt=5 |block #2 end=5 |\r
+ +----------------+---------------+\r
+\r
+\r
+ Duplicate TSN: 32 bits (unsigned integer)\r
+\r
+ Indicates the number of times a TSN was received in duplicate\r
+ since the last SACK was sent. Every time a receiver gets a\r
+ duplicate TSN (before sending the SACK) it adds it to the list of\r
+ duplicates. The duplicate count is re-initialized to zero after\r
+ sending each SACK.\r
+\r
+ For example, if a receiver were to get the TSN 19 three times it\r
+ would list 19 twice in the outbound SACK. After sending the SACK\r
+ if it received yet one more TSN 19 it would list 19 as a duplicate\r
+ once in the next outgoing SACK.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 36]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+3.3.5 Heartbeat Request (HEARTBEAT) (4):\r
+\r
+ An endpoint should send this chunk to its peer endpoint to probe the\r
+ reachability of a particular destination transport address defined in\r
+ the present association.\r
+\r
+ The parameter field contains the Heartbeat Information which is a\r
+ variable length opaque data structure understood only by the sender.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 4 | Chunk Flags | Heartbeat Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ \ \\r
+ / Heartbeat Information TLV (Variable-Length) /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Chunk Flags: 8 bits\r
+\r
+ Set to zero on transmit and ignored on receipt.\r
+\r
+ Heartbeat Length: 16 bits (unsigned integer)\r
+\r
+ Set to the size of the chunk in bytes, including the chunk header\r
+ and the Heartbeat Information field.\r
+\r
+ Heartbeat Information: variable length\r
+\r
+ Defined as a variable-length parameter using the format described\r
+ in Section 3.2.1, i.e.:\r
+\r
+ Variable Parameters Status Type Value\r
+ -------------------------------------------------------------\r
+ Heartbeat Info Mandatory 1\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Heartbeat Info Type=1 | HB Info Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ / Sender-specific Heartbeat Info /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 37]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ The Sender-specific Heartbeat Info field should normally include\r
+ information about the sender's current time when this HEARTBEAT\r
+ chunk is sent and the destination transport address to which this\r
+ HEARTBEAT is sent (see Section 8.3).\r
+\r
+3.3.6 Heartbeat Acknowledgement (HEARTBEAT ACK) (5):\r
+\r
+ An endpoint should send this chunk to its peer endpoint as a response\r
+ to a HEARTBEAT chunk (see Section 8.3). A HEARTBEAT ACK is always\r
+ sent to the source IP address of the IP datagram containing the\r
+ HEARTBEAT chunk to which this ack is responding.\r
+\r
+ The parameter field contains a variable length opaque data structure.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 5 | Chunk Flags | Heartbeat Ack Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ \ \\r
+ / Heartbeat Information TLV (Variable-Length) /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Chunk Flags: 8 bits\r
+\r
+ Set to zero on transmit and ignored on receipt.\r
+\r
+ Heartbeat Ack Length: 16 bits (unsigned integer)\r
+\r
+ Set to the size of the chunk in bytes, including the chunk header\r
+ and the Heartbeat Information field.\r
+\r
+ Heartbeat Information: variable length\r
+\r
+ This field MUST contain the Heartbeat Information parameter of\r
+ the Heartbeat Request to which this Heartbeat Acknowledgement is\r
+ responding.\r
+\r
+ Variable Parameters Status Type Value\r
+ -------------------------------------------------------------\r
+ Heartbeat Info Mandatory 1\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 38]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+3.3.7 Abort Association (ABORT) (6):\r
+\r
+ The ABORT chunk is sent to the peer of an association to close the\r
+ association. The ABORT chunk may contain Cause Parameters to inform\r
+ the receiver the reason of the abort. DATA chunks MUST NOT be\r
+ bundled with ABORT. Control chunks (except for INIT, INIT ACK and\r
+ SHUTDOWN COMPLETE) MAY be bundled with an ABORT but they MUST be\r
+ placed before the ABORT in the SCTP packet, or they will be ignored\r
+ by the receiver.\r
+\r
+ If an endpoint receives an ABORT with a format error or for an\r
+ association that doesn't exist, it MUST silently discard it.\r
+ Moreover, under any circumstances, an endpoint that receives an ABORT\r
+ MUST NOT respond to that ABORT by sending an ABORT of its own.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 6 |Reserved |T| Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ \ \\r
+ / zero or more Error Causes /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Chunk Flags: 8 bits\r
+\r
+ Reserved: 7 bits\r
+\r
+ Set to 0 on transmit and ignored on receipt.\r
+\r
+ T bit: 1 bit\r
+\r
+ The T bit is set to 0 if the sender had a TCB that it destroyed.\r
+ If the sender did not have a TCB it should set this bit to 1.\r
+\r
+ Note: Special rules apply to this chunk for verification, please see\r
+ Section 8.5.1 for details.\r
+\r
+ Length: 16 bits (unsigned integer)\r
+\r
+ Set to the size of the chunk in bytes, including the chunk header\r
+ and all the Error Cause fields present.\r
+\r
+ See Section 3.3.10 for Error Cause definitions.\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 39]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+3.3.8 Shutdown Association (SHUTDOWN) (7):\r
+\r
+ An endpoint in an association MUST use this chunk to initiate a\r
+ graceful close of the association with its peer. This chunk has the\r
+ following format.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 7 | Chunk Flags | Length = 8 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cumulative TSN Ack |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Chunk Flags: 8 bits\r
+\r
+ Set to zero on transmit and ignored on receipt.\r
+\r
+ Length: 16 bits (unsigned integer)\r
+\r
+ Indicates the length of the parameter. Set to 8.\r
+\r
+ Cumulative TSN Ack: 32 bits (unsigned integer)\r
+\r
+ This parameter contains the TSN of the last chunk received in\r
+ sequence before any gaps.\r
+\r
+ Note: Since the SHUTDOWN message does not contain Gap Ack Blocks,\r
+ it cannot be used to acknowledge TSNs received out of order. In a\r
+ SACK, lack of Gap Ack Blocks that were previously included\r
+ indicates that the data receiver reneged on the associated DATA\r
+ chunks. Since SHUTDOWN does not contain Gap Ack Blocks, the\r
+ receiver of the SHUTDOWN shouldn't interpret the lack of a Gap Ack\r
+ Block as a renege. (see Section 6.2 for information on reneging)\r
+\r
+3.3.9 Shutdown Acknowledgement (SHUTDOWN ACK) (8):\r
+\r
+ This chunk MUST be used to acknowledge the receipt of the SHUTDOWN\r
+ chunk at the completion of the shutdown process, see Section 9.2 for\r
+ details.\r
+\r
+ The SHUTDOWN ACK chunk has no parameters.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 8 |Chunk Flags | Length = 4 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 40]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Chunk Flags: 8 bits\r
+\r
+ Set to zero on transmit and ignored on receipt.\r
+\r
+3.3.10 Operation Error (ERROR) (9):\r
+\r
+ An endpoint sends this chunk to its peer endpoint to notify it of\r
+ certain error conditions. It contains one or more error causes. An\r
+ Operation Error is not considered fatal in and of itself, but may be\r
+ used with an ABORT chunk to report a fatal condition. It has the\r
+ following parameters:\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 9 | Chunk Flags | Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ \ \\r
+ / one or more Error Causes /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Chunk Flags: 8 bits\r
+\r
+ Set to zero on transmit and ignored on receipt.\r
+\r
+ Length: 16 bits (unsigned integer)\r
+\r
+ Set to the size of the chunk in bytes, including the chunk header\r
+ and all the Error Cause fields present.\r
+\r
+ Error causes are defined as variable-length parameters using the\r
+ format described in 3.2.1, i.e.:\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cause Code | Cause Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ / Cause-specific Information /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Cause Code: 16 bits (unsigned integer)\r
+\r
+ Defines the type of error conditions being reported.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 41]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Cause Code\r
+ Value Cause Code\r
+ --------- ----------------\r
+ 1 Invalid Stream Identifier\r
+ 2 Missing Mandatory Parameter\r
+ 3 Stale Cookie Error\r
+ 4 Out of Resource\r
+ 5 Unresolvable Address\r
+ 6 Unrecognized Chunk Type\r
+ 7 Invalid Mandatory Parameter\r
+ 8 Unrecognized Parameters\r
+ 9 No User Data\r
+ 10 Cookie Received While Shutting Down\r
+\r
+ Cause Length: 16 bits (unsigned integer)\r
+\r
+ Set to the size of the parameter in bytes, including the Cause\r
+ Code, Cause Length, and Cause-Specific Information fields\r
+\r
+ Cause-specific Information: variable length\r
+\r
+ This field carries the details of the error condition.\r
+\r
+ Sections 3.3.10.1 - 3.3.10.10 define error causes for SCTP.\r
+ Guidelines for the IETF to define new error cause values are\r
+ discussed in Section 13.3.\r
+\r
+3.3.10.1 Invalid Stream Identifier (1)\r
+\r
+ Cause of error\r
+ ---------------\r
+ Invalid Stream Identifier: Indicates endpoint received a DATA chunk\r
+ sent to a nonexistent stream.\r
+\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cause Code=1 | Cause Length=8 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Stream Identifier | (Reserved) |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Stream Identifier: 16 bits (unsigned integer)\r
+\r
+ Contains the Stream Identifier of the DATA chunk received in\r
+ error.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 42]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Reserved: 16 bits\r
+\r
+ This field is reserved. It is set to all 0's on transmit and\r
+ Ignored on receipt.\r
+\r
+3.3.10.2 Missing Mandatory Parameter (2)\r
+\r
+ Cause of error\r
+ ---------------\r
+ Missing Mandatory Parameter: Indicates that one or more mandatory\r
+ TLV parameters are missing in a received INIT or INIT ACK.\r
+\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cause Code=2 | Cause Length=8+N*2 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Number of missing params=N |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Missing Param Type #1 | Missing Param Type #2 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Missing Param Type #N-1 | Missing Param Type #N |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Number of Missing params: 32 bits (unsigned integer)\r
+\r
+ This field contains the number of parameters contained in the\r
+ Cause-specific Information field.\r
+\r
+ Missing Param Type: 16 bits (unsigned integer)\r
+\r
+ Each field will contain the missing mandatory parameter number.\r
+\r
+3.3.10.3 Stale Cookie Error (3)\r
+\r
+ Cause of error\r
+ --------------\r
+ Stale Cookie Error: Indicates the receipt of a valid State Cookie\r
+ that has expired.\r
+\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cause Code=3 | Cause Length=8 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Measure of Staleness (usec.) |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Measure of Staleness: 32 bits (unsigned integer)\r
+\r
+ This field contains the difference, in microseconds, between the\r
+ current time and the time the State Cookie expired.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 43]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ The sender of this error cause MAY choose to report how long past\r
+ expiration the State Cookie is by including a non-zero value in\r
+ the Measure of Staleness field. If the sender does not wish to\r
+ provide this information it should set the Measure of Staleness\r
+ field to the value of zero.\r
+\r
+3.3.10.4 Out of Resource (4)\r
+\r
+ Cause of error\r
+ ---------------\r
+ Out of Resource: Indicates that the sender is out of resource. This\r
+ is usually sent in combination with or within an ABORT.\r
+\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cause Code=4 | Cause Length=4 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+3.3.10.5 Unresolvable Address (5)\r
+\r
+ Cause of error\r
+ ---------------\r
+ Unresolvable Address: Indicates that the sender is not able to\r
+ resolve the specified address parameter (e.g., type of address is not\r
+ supported by the sender). This is usually sent in combination with\r
+ or within an ABORT.\r
+\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cause Code=5 | Cause Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ / Unresolvable Address /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Unresolvable Address: variable length\r
+\r
+ The unresolvable address field contains the complete Type, Length\r
+ and Value of the address parameter (or Host Name parameter) that\r
+ contains the unresolvable address or host name.\r
+\r
+3.3.10.6 Unrecognized Chunk Type (6)\r
+\r
+ Cause of error\r
+ ---------------\r
+ Unrecognized Chunk Type: This error cause is returned to the\r
+ originator of the chunk if the receiver does not understand the chunk\r
+ and the upper bits of the 'Chunk Type' are set to 01 or 11.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 44]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cause Code=6 | Cause Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ / Unrecognized Chunk /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Unrecognized Chunk: variable length\r
+\r
+ The Unrecognized Chunk field contains the unrecognized Chunk from\r
+ the SCTP packet complete with Chunk Type, Chunk Flags and Chunk\r
+ Length.\r
+\r
+3.3.10.7 Invalid Mandatory Parameter (7)\r
+\r
+ Cause of error\r
+ ---------------\r
+ Invalid Mandatory Parameter: This error cause is returned to the\r
+ originator of an INIT or INIT ACK chunk when one of the mandatory\r
+ parameters is set to a invalid value.\r
+\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cause Code=7 | Cause Length=4 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+3.3.10.8 Unrecognized Parameters (8)\r
+\r
+ Cause of error\r
+ ---------------\r
+ Unrecognized Parameters: This error cause is returned to the\r
+ originator of the INIT ACK chunk if the receiver does not recognize\r
+ one or more Optional TLV parameters in the INIT ACK chunk.\r
+\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cause Code=8 | Cause Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ / Unrecognized Parameters /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Unrecognized Parameters: variable length\r
+\r
+ The Unrecognized Parameters field contains the unrecognized\r
+ parameters copied from the INIT ACK chunk complete with TLV. This\r
+ error cause is normally contained in an ERROR chunk bundled with\r
+ the COOKIE ECHO chunk when responding to the INIT ACK, when the\r
+ sender of the COOKIE ECHO chunk wishes to report unrecognized\r
+ parameters.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 45]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+3.3.10.9 No User Data (9)\r
+\r
+ Cause of error\r
+ ---------------\r
+ No User Data: This error cause is returned to the originator of a\r
+ DATA chunk if a received DATA chunk has no user data.\r
+\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cause Code=9 | Cause Length=8 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ / TSN value /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ TSN value: 32 bits (+unsigned integer)\r
+\r
+ The TSN value field contains the TSN of the DATA chunk received\r
+ with no user data field.\r
+\r
+ This cause code is normally returned in an ABORT chunk (see\r
+ Section 6.2)\r
+\r
+3.3.10.10 Cookie Received While Shutting Down (10)\r
+\r
+ Cause of error\r
+ ---------------\r
+ Cookie Received While Shutting Down: A COOKIE ECHO was received\r
+ While the endpoint was in SHUTDOWN-ACK-SENT state. This error is\r
+ usually returned in an ERROR chunk bundled with the retransmitted\r
+ SHUTDOWN ACK.\r
+\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Cause Code=10 | Cause Length=4 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+3.3.11 Cookie Echo (COOKIE ECHO) (10):\r
+\r
+ This chunk is used only during the initialization of an association.\r
+ It is sent by the initiator of an association to its peer to complete\r
+ the initialization process. This chunk MUST precede any DATA chunk\r
+ sent within the association, but MAY be bundled with one or more DATA\r
+ chunks in the same packet.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 46]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 10 |Chunk Flags | Length |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ / Cookie /\r
+ \ \\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Chunk Flags: 8 bit\r
+\r
+ Set to zero on transmit and ignored on receipt.\r
+\r
+ Length: 16 bits (unsigned integer)\r
+\r
+ Set to the size of the chunk in bytes, including the 4 bytes of\r
+ the chunk header and the size of the Cookie.\r
+\r
+ Cookie: variable size\r
+\r
+ This field must contain the exact cookie received in the State\r
+ Cookie parameter from the previous INIT ACK.\r
+\r
+ An implementation SHOULD make the cookie as small as possible to\r
+ insure interoperability.\r
+\r
+3.3.12 Cookie Acknowledgement (COOKIE ACK) (11):\r
+\r
+ This chunk is used only during the initialization of an association.\r
+ It is used to acknowledge the receipt of a COOKIE ECHO chunk. This\r
+ chunk MUST precede any DATA or SACK chunk sent within the\r
+ association, but MAY be bundled with one or more DATA chunks or SACK\r
+ chunk in the same SCTP packet.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 11 |Chunk Flags | Length = 4 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Chunk Flags: 8 bits\r
+\r
+ Set to zero on transmit and ignored on receipt.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 47]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+3.3.13 Shutdown Complete (SHUTDOWN COMPLETE) (14):\r
+\r
+ This chunk MUST be used to acknowledge the receipt of the SHUTDOWN\r
+ ACK chunk at the completion of the shutdown process, see Section 9.2\r
+ for details.\r
+\r
+ The SHUTDOWN COMPLETE chunk has no parameters.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Type = 14 |Reserved |T| Length = 4 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Chunk Flags: 8 bits\r
+\r
+ Reserved: 7 bits\r
+\r
+ Set to 0 on transmit and ignored on receipt.\r
+\r
+ T bit: 1 bit\r
+\r
+ The T bit is set to 0 if the sender had a TCB that it destroyed.\r
+ If the sender did not have a TCB it should set this bit to 1.\r
+\r
+ Note: Special rules apply to this chunk for verification, please see\r
+ Section 8.5.1 for details.\r
+\r
+4. SCTP Association State Diagram\r
+\r
+ During the lifetime of an SCTP association, the SCTP endpoint's\r
+ association progress from one state to another in response to various\r
+ events. The events that may potentially advance an association's\r
+ state include:\r
+\r
+ o SCTP user primitive calls, e.g., [ASSOCIATE], [SHUTDOWN], [ABORT],\r
+\r
+ o Reception of INIT, COOKIE ECHO, ABORT, SHUTDOWN, etc., control\r
+ chunks, or\r
+\r
+ o Some timeout events.\r
+\r
+ The state diagram in the figures below illustrates state changes,\r
+ together with the causing events and resulting actions. Note that\r
+ some of the error conditions are not shown in the state diagram.\r
+ Full description of all special cases should be found in the text.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 48]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Note: Chunk names are given in all capital letters, while parameter\r
+ names have the first letter capitalized, e.g., COOKIE ECHO chunk type\r
+ vs. State Cookie parameter. If more than one event/message can occur\r
+ which causes a state transition it is labeled (A), (B) etc.\r
+\r
+ ----- -------- (frm any state)\r
+ / \ / rcv ABORT [ABORT]\r
+ rcv INIT | | | ---------- or ----------\r
+ --------------- | v v delete TCB snd ABORT\r
+ generate Cookie \ +---------+ delete TCB\r
+ snd INIT ACK ---| CLOSED |\r
+ +---------+\r
+ / \ [ASSOCIATE]\r
+ / \ ---------------\r
+ | | create TCB\r
+ | | snd INIT\r
+ | | strt init timer\r
+ rcv valid | |\r
+ COOKIE ECHO | v\r
+ (1) ---------------- | +------------+\r
+ create TCB | | COOKIE-WAIT| (2)\r
+ snd COOKIE ACK | +------------+\r
+ | |\r
+ | | rcv INIT ACK\r
+ | | -----------------\r
+ | | snd COOKIE ECHO\r
+ | | stop init timer\r
+ | | strt cookie timer\r
+ | v\r
+ | +--------------+\r
+ | | COOKIE-ECHOED| (3)\r
+ | +--------------+\r
+ | |\r
+ | | rcv COOKIE ACK\r
+ | | -----------------\r
+ | | stop cookie timer\r
+ v v\r
+ +---------------+\r
+ | ESTABLISHED |\r
+ +---------------+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 49]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ (from the ESTABLISHED state only)\r
+ |\r
+ |\r
+ /--------+--------\\r
+ [SHUTDOWN] / \\r
+ -------------------| |\r
+ check outstanding | |\r
+ DATA chunks | |\r
+ v |\r
+ +---------+ |\r
+ |SHUTDOWN-| | rcv SHUTDOWN/check\r
+ |PENDING | | outstanding DATA\r
+ +---------+ | chunks\r
+ | |------------------\r
+ No more outstanding | |\r
+ ---------------------| |\r
+ snd SHUTDOWN | |\r
+ strt shutdown timer | |\r
+ v v\r
+ +---------+ +-----------+\r
+ (4) |SHUTDOWN-| | SHUTDOWN- | (5,6)\r
+ |SENT | | RECEIVED |\r
+ +---------+ +-----------+\r
+ | \ |\r
+ (A) rcv SHUTDOWN ACK | \ |\r
+ ----------------------| \ |\r
+ stop shutdown timer | \rcv:SHUTDOWN |\r
+ send SHUTDOWN COMPLETE| \ (B) |\r
+ delete TCB | \ |\r
+ | \ | No more outstanding\r
+ | \ |-----------------\r
+ | \ | send SHUTDOWN ACK\r
+ (B)rcv SHUTDOWN | \ | strt shutdown timer\r
+ ----------------------| \ |\r
+ send SHUTDOWN ACK | \ |\r
+ start shutdown timer | \ |\r
+ move to SHUTDOWN- | \ |\r
+ ACK-SENT | | |\r
+ | v |\r
+ | +-----------+\r
+ | | SHUTDOWN- | (7)\r
+ | | ACK-SENT |\r
+ | +----------+-\r
+ | | (C)rcv SHUTDOWN COMPLETE\r
+ | |-----------------\r
+ | | stop shutdown timer\r
+ | | delete TCB\r
+ | |\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 50]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ | | (D)rcv SHUTDOWN ACK\r
+ | |--------------\r
+ | | stop shutdown timer\r
+ | | send SHUTDOWN COMPLETE\r
+ | | delete TCB\r
+ | |\r
+ \ +---------+ /\r
+ \-->| CLOSED |<--/\r
+ +---------+\r
+\r
+ Figure 3: State Transition Diagram of SCTP\r
+\r
+ Notes:\r
+\r
+ 1) If the State Cookie in the received COOKIE ECHO is invalid (i.e.,\r
+ failed to pass the integrity check), the receiver MUST silently\r
+ discard the packet. Or, if the received State Cookie is expired\r
+ (see Section 5.1.5), the receiver MUST send back an ERROR chunk.\r
+ In either case, the receiver stays in the CLOSED state.\r
+\r
+ 2) If the T1-init timer expires, the endpoint MUST retransmit INIT\r
+ and re-start the T1-init timer without changing state. This MUST\r
+ be repeated up to 'Max.Init.Retransmits' times. After that, the\r
+ endpoint MUST abort the initialization process and report the\r
+ error to SCTP user.\r
+\r
+ 3) If the T1-cookie timer expires, the endpoint MUST retransmit\r
+ COOKIE ECHO and re-start the T1-cookie timer without changing\r
+ state. This MUST be repeated up to 'Max.Init.Retransmits' times.\r
+ After that, the endpoint MUST abort the initialization process and\r
+ report the error to SCTP user.\r
+\r
+ 4) In SHUTDOWN-SENT state the endpoint MUST acknowledge any received\r
+ DATA chunks without delay.\r
+\r
+ 5) In SHUTDOWN-RECEIVED state, the endpoint MUST NOT accept any new\r
+ send request from its SCTP user.\r
+\r
+ 6) In SHUTDOWN-RECEIVED state, the endpoint MUST transmit or\r
+ retransmit data and leave this state when all data in queue is\r
+ transmitted.\r
+\r
+ 7) In SHUTDOWN-ACK-SENT state, the endpoint MUST NOT accept any new\r
+ send request from its SCTP user.\r
+\r
+ The CLOSED state is used to indicate that an association is not\r
+ created (i.e., doesn't exist).\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 51]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+5. Association Initialization\r
+\r
+ Before the first data transmission can take place from one SCTP\r
+ endpoint ("A") to another SCTP endpoint ("Z"), the two endpoints must\r
+ complete an initialization process in order to set up an SCTP\r
+ association between them.\r
+\r
+ The SCTP user at an endpoint should use the ASSOCIATE primitive to\r
+ initialize an SCTP association to another SCTP endpoint.\r
+\r
+ IMPLEMENTATION NOTE: From an SCTP-user's point of view, an\r
+ association may be implicitly opened, without an ASSOCIATE primitive\r
+ (see 10.1 B) being invoked, by the initiating endpoint's sending of\r
+ the first user data to the destination endpoint. The initiating SCTP\r
+ will assume default values for all mandatory and optional parameters\r
+ for the INIT/INIT ACK.\r
+\r
+ Once the association is established, unidirectional streams are open\r
+ for data transfer on both ends (see Section 5.1.1).\r
+\r
+5.1 Normal Establishment of an Association\r
+\r
+ The initialization process consists of the following steps (assuming\r
+ that SCTP endpoint "A" tries to set up an association with SCTP\r
+ endpoint "Z" and "Z" accepts the new association):\r
+\r
+ A) "A" first sends an INIT chunk to "Z". In the INIT, "A" must\r
+ provide its Verification Tag (Tag_A) in the Initiate Tag field.\r
+ Tag_A SHOULD be a random number in the range of 1 to 4294967295\r
+ (see 5.3.1 for Tag value selection). After sending the INIT, "A"\r
+ starts the T1-init timer and enters the COOKIE-WAIT state.\r
+\r
+ B) "Z" shall respond immediately with an INIT ACK chunk. The\r
+ destination IP address of the INIT ACK MUST be set to the source\r
+ IP address of the INIT to which this INIT ACK is responding. In\r
+ the response, besides filling in other parameters, "Z" must set\r
+ the Verification Tag field to Tag_A, and also provide its own\r
+ Verification Tag (Tag_Z) in the Initiate Tag field.\r
+\r
+ Moreover, "Z" MUST generate and send along with the INIT ACK a\r
+ State Cookie. See Section 5.1.3 for State Cookie generation.\r
+\r
+ Note: After sending out INIT ACK with the State Cookie parameter,\r
+ "Z" MUST NOT allocate any resources, nor keep any states for the\r
+ new association. Otherwise, "Z" will be vulnerable to resource\r
+ attacks.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 52]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ C) Upon reception of the INIT ACK from "Z", "A" shall stop the T1-\r
+ init timer and leave COOKIE-WAIT state. "A" shall then send the\r
+ State Cookie received in the INIT ACK chunk in a COOKIE ECHO\r
+ chunk, start the T1-cookie timer, and enter the COOKIE-ECHOED\r
+ state.\r
+\r
+ Note: The COOKIE ECHO chunk can be bundled with any pending\r
+ outbound DATA chunks, but it MUST be the first chunk in the packet\r
+ and until the COOKIE ACK is returned the sender MUST NOT send any\r
+ other packets to the peer.\r
+\r
+ D) Upon reception of the COOKIE ECHO chunk, Endpoint "Z" will reply\r
+ with a COOKIE ACK chunk after building a TCB and moving to the\r
+ ESTABLISHED state. A COOKIE ACK chunk may be bundled with any\r
+ pending DATA chunks (and/or SACK chunks), but the COOKIE ACK chunk\r
+ MUST be the first chunk in the packet.\r
+\r
+ IMPLEMENTATION NOTE: An implementation may choose to send the\r
+ Communication Up notification to the SCTP user upon reception of a\r
+ valid COOKIE ECHO chunk.\r
+\r
+ E) Upon reception of the COOKIE ACK, endpoint "A" will move from the\r
+ COOKIE-ECHOED state to the ESTABLISHED state, stopping the T1-\r
+ cookie timer. It may also notify its ULP about the successful\r
+ establishment of the association with a Communication Up\r
+ notification (see Section 10).\r
+\r
+ An INIT or INIT ACK chunk MUST NOT be bundled with any other chunk.\r
+ They MUST be the only chunks present in the SCTP packets that carry\r
+ them.\r
+\r
+ An endpoint MUST send the INIT ACK to the IP address from which it\r
+ received the INIT.\r
+\r
+ Note: T1-init timer and T1-cookie timer shall follow the same rules\r
+ given in Section 6.3.\r
+\r
+ If an endpoint receives an INIT, INIT ACK, or COOKIE ECHO chunk but\r
+ decides not to establish the new association due to missing mandatory\r
+ parameters in the received INIT or INIT ACK, invalid parameter\r
+ values, or lack of local resources, it MUST respond with an ABORT\r
+ chunk. It SHOULD also specify the cause of abort, such as the type\r
+ of the missing mandatory parameters, etc., by including the error\r
+ cause parameters with the ABORT chunk. The Verification Tag field in\r
+ the common header of the outbound SCTP packet containing the ABORT\r
+ chunk MUST be set to the Initiate Tag value of the peer.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 53]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ After the reception of the first DATA chunk in an association the\r
+ endpoint MUST immediately respond with a SACK to acknowledge the DATA\r
+ chunk. Subsequent acknowledgements should be done as described in\r
+ Section 6.2.\r
+\r
+ When the TCB is created, each endpoint MUST set its internal\r
+ Cumulative TSN Ack Point to the value of its transmitted Initial TSN\r
+ minus one.\r
+\r
+ IMPLEMENTATION NOTE: The IP addresses and SCTP port are generally\r
+ used as the key to find the TCB within an SCTP instance.\r
+\r
+5.1.1 Handle Stream Parameters\r
+\r
+ In the INIT and INIT ACK chunks, the sender of the chunk shall\r
+ indicate the number of outbound streams (OS) it wishes to have in the\r
+ association, as well as the maximum inbound streams (MIS) it will\r
+ accept from the other endpoint.\r
+\r
+ After receiving the stream configuration information from the other\r
+ side, each endpoint shall perform the following check: If the peer's\r
+ MIS is less than the endpoint's OS, meaning that the peer is\r
+ incapable of supporting all the outbound streams the endpoint wants\r
+ to configure, the endpoint MUST either use MIS outbound streams, or\r
+ abort the association and report to its upper layer the resources\r
+ shortage at its peer.\r
+\r
+ After the association is initialized, the valid outbound stream\r
+ identifier range for either endpoint shall be 0 to min(local OS,\r
+ remote MIS)-1.\r
+\r
+5.1.2 Handle Address Parameters\r
+\r
+ During the association initialization, an endpoint shall use the\r
+ following rules to discover and collect the destination transport\r
+ address(es) of its peer.\r
+\r
+ A) If there are no address parameters present in the received INIT or\r
+ INIT ACK chunk, the endpoint shall take the source IP address from\r
+ which the chunk arrives and record it, in combination with the\r
+ SCTP source port number, as the only destination transport address\r
+ for this peer.\r
+\r
+ B) If there is a Host Name parameter present in the received INIT or\r
+ INIT ACK chunk, the endpoint shall resolve that host name to a\r
+ list of IP address(es) and derive the transport address(es) of\r
+ this peer by combining the resolved IP address(es) with the SCTP\r
+ source port.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 54]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ The endpoint MUST ignore any other IP address parameters if they\r
+ are also present in the received INIT or INIT ACK chunk.\r
+\r
+ The time at which the receiver of an INIT resolves the host name\r
+ has potential security implications to SCTP. If the receiver of\r
+ an INIT resolves the host name upon the reception of the chunk,\r
+ and the mechanism the receiver uses to resolve the host name\r
+ involves potential long delay (e.g. DNS query), the receiver may\r
+ open itself up to resource attacks for the period of time while it\r
+ is waiting for the name resolution results before it can build the\r
+ State Cookie and release local resources.\r
+\r
+ Therefore, in cases where the name translation involves potential\r
+ long delay, the receiver of the INIT MUST postpone the name\r
+ resolution till the reception of the COOKIE ECHO chunk from the\r
+ peer. In such a case, the receiver of the INIT SHOULD build the\r
+ State Cookie using the received Host Name (instead of destination\r
+ transport addresses) and send the INIT ACK to the source IP\r
+ address from which the INIT was received.\r
+\r
+ The receiver of an INIT ACK shall always immediately attempt to\r
+ resolve the name upon the reception of the chunk.\r
+\r
+ The receiver of the INIT or INIT ACK MUST NOT send user data\r
+ (piggy-backed or stand-alone) to its peer until the host name is\r
+ successfully resolved.\r
+\r
+ If the name resolution is not successful, the endpoint MUST\r
+ immediately send an ABORT with "Unresolvable Address" error cause\r
+ to its peer. The ABORT shall be sent to the source IP address\r
+ from which the last peer packet was received.\r
+\r
+ C) If there are only IPv4/IPv6 addresses present in the received INIT\r
+ or INIT ACK chunk, the receiver shall derive and record all the\r
+ transport address(es) from the received chunk AND the source IP\r
+ address that sent the INIT or INIT ACK. The transport address(es)\r
+ are derived by the combination of SCTP source port (from the\r
+ common header) and the IP address parameter(s) carried in the INIT\r
+ or INIT ACK chunk and the source IP address of the IP datagram.\r
+ The receiver should use only these transport addresses as\r
+ destination transport addresses when sending subsequent packets to\r
+ its peer.\r
+\r
+ IMPLEMENTATION NOTE: In some cases (e.g., when the implementation\r
+ doesn't control the source IP address that is used for\r
+ transmitting), an endpoint might need to include in its INIT or\r
+ INIT ACK all possible IP addresses from which packets to the peer\r
+ could be transmitted.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 55]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ After all transport addresses are derived from the INIT or INIT ACK\r
+ chunk using the above rules, the endpoint shall select one of the\r
+ transport addresses as the initial primary path.\r
+\r
+ Note: The INIT-ACK MUST be sent to the source address of the INIT.\r
+\r
+ The sender of INIT may include a 'Supported Address Types' parameter\r
+ in the INIT to indicate what types of address are acceptable. When\r
+ this parameter is present, the receiver of INIT (initiatee) MUST\r
+ either use one of the address types indicated in the Supported\r
+ Address Types parameter when responding to the INIT, or abort the\r
+ association with an "Unresolvable Address" error cause if it is\r
+ unwilling or incapable of using any of the address types indicated by\r
+ its peer.\r
+\r
+ IMPLEMENTATION NOTE: In the case that the receiver of an INIT ACK\r
+ fails to resolve the address parameter due to an unsupported type, it\r
+ can abort the initiation process and then attempt a re-initiation by\r
+ using a 'Supported Address Types' parameter in the new INIT to\r
+ indicate what types of address it prefers.\r
+\r
+5.1.3 Generating State Cookie\r
+\r
+ When sending an INIT ACK as a response to an INIT chunk, the sender\r
+ of INIT ACK creates a State Cookie and sends it in the State Cookie\r
+ parameter of the INIT ACK. Inside this State Cookie, the sender\r
+ should include a MAC (see [RFC2104] for an example), a time stamp on\r
+ when the State Cookie is created, and the lifespan of the State\r
+ Cookie, along with all the information necessary for it to establish\r
+ the association.\r
+\r
+ The following steps SHOULD be taken to generate the State Cookie:\r
+\r
+ 1) Create an association TCB using information from both the received\r
+ INIT and the outgoing INIT ACK chunk,\r
+\r
+ 2) In the TCB, set the creation time to the current time of day, and\r
+ the lifespan to the protocol parameter 'Valid.Cookie.Life',\r
+\r
+ 3) From the TCB, identify and collect the minimal subset of\r
+ information needed to re-create the TCB, and generate a MAC using\r
+ this subset of information and a secret key (see [RFC2104] for an\r
+ example of generating a MAC), and\r
+\r
+ 4) Generate the State Cookie by combining this subset of information\r
+ and the resultant MAC.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 56]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ After sending the INIT ACK with the State Cookie parameter, the\r
+ sender SHOULD delete the TCB and any other local resource related to\r
+ the new association, so as to prevent resource attacks.\r
+\r
+ The hashing method used to generate the MAC is strictly a private\r
+ matter for the receiver of the INIT chunk. The use of a MAC is\r
+ mandatory to prevent denial of service attacks. The secret key\r
+ SHOULD be random ([RFC1750] provides some information on randomness\r
+ guidelines); it SHOULD be changed reasonably frequently, and the\r
+ timestamp in the State Cookie MAY be used to determine which key\r
+ should be used to verify the MAC.\r
+\r
+ An implementation SHOULD make the cookie as small as possible to\r
+ insure interoperability.\r
+\r
+5.1.4 State Cookie Processing\r
+\r
+ When an endpoint (in the COOKIE WAIT state) receives an INIT ACK\r
+ chunk with a State Cookie parameter, it MUST immediately send a\r
+ COOKIE ECHO chunk to its peer with the received State Cookie. The\r
+ sender MAY also add any pending DATA chunks to the packet after the\r
+ COOKIE ECHO chunk.\r
+\r
+ The endpoint shall also start the T1-cookie timer after sending out\r
+ the COOKIE ECHO chunk. If the timer expires, the endpoint shall\r
+ retransmit the COOKIE ECHO chunk and restart the T1-cookie timer.\r
+ This is repeated until either a COOKIE ACK is received or '\r
+ Max.Init.Retransmits' is reached causing the peer endpoint to be\r
+ marked unreachable (and thus the association enters the CLOSED\r
+ state).\r
+\r
+5.1.5 State Cookie Authentication\r
+\r
+ When an endpoint receives a COOKIE ECHO chunk from another endpoint\r
+ with which it has no association, it shall take the following\r
+ actions:\r
+\r
+ 1) Compute a MAC using the TCB data carried in the State Cookie and\r
+ the secret key (note the timestamp in the State Cookie MAY be used\r
+ to determine which secret key to use). Reference [RFC2104] can be\r
+ used as a guideline for generating the MAC,\r
+\r
+ 2) Authenticate the State Cookie as one that it previously generated\r
+ by comparing the computed MAC against the one carried in the State\r
+ Cookie. If this comparison fails, the SCTP packet, including the\r
+ COOKIE ECHO and any DATA chunks, should be silently discarded,\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 57]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ 3) Compare the creation timestamp in the State Cookie to the current\r
+ local time. If the elapsed time is longer than the lifespan\r
+ carried in the State Cookie, then the packet, including the COOKIE\r
+ ECHO and any attached DATA chunks, SHOULD be discarded and the\r
+ endpoint MUST transmit an ERROR chunk with a "Stale Cookie" error\r
+ cause to the peer endpoint,\r
+\r
+ 4) If the State Cookie is valid, create an association to the sender\r
+ of the COOKIE ECHO chunk with the information in the TCB data\r
+ carried in the COOKIE ECHO, and enter the ESTABLISHED state,\r
+\r
+ 5) Send a COOKIE ACK chunk to the peer acknowledging reception of the\r
+ COOKIE ECHO. The COOKIE ACK MAY be bundled with an outbound DATA\r
+ chunk or SACK chunk; however, the COOKIE ACK MUST be the first\r
+ chunk in the SCTP packet.\r
+\r
+ 6) Immediately acknowledge any DATA chunk bundled with the COOKIE\r
+ ECHO with a SACK (subsequent DATA chunk acknowledgement should\r
+ follow the rules defined in Section 6.2). As mentioned in step\r
+ 5), if the SACK is bundled with the COOKIE ACK, the COOKIE ACK\r
+ MUST appear first in the SCTP packet.\r
+\r
+ If a COOKIE ECHO is received from an endpoint with which the receiver\r
+ of the COOKIE ECHO has an existing association, the procedures in\r
+ Section 5.2 should be followed.\r
+\r
+5.1.6 An Example of Normal Association Establishment\r
+\r
+ In the following example, "A" initiates the association and then\r
+ sends a user message to "Z", then "Z" sends two user messages to "A"\r
+ later (assuming no bundling or fragmentation occurs):\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 58]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Endpoint A Endpoint Z\r
+ {app sets association with Z}\r
+ (build TCB)\r
+ INIT [I-Tag=Tag_A\r
+ & other info] --------\\r
+ (Start T1-init timer) \\r
+ (Enter COOKIE-WAIT state) \---> (compose temp TCB and Cookie_Z)\r
+\r
+ /--- INIT ACK [Veri Tag=Tag_A,\r
+ / I-Tag=Tag_Z,\r
+ (Cancel T1-init timer) <------/ Cookie_Z, & other info]\r
+ (destroy temp TCB)\r
+ COOKIE ECHO [Cookie_Z] ------\\r
+ (Start T1-init timer) \\r
+ (Enter COOKIE-ECHOED state) \---> (build TCB enter ESTABLISHED\r
+ state)\r
+\r
+\r
+ /---- COOKIE-ACK\r
+ /\r
+ (Cancel T1-init timer, <-----/\r
+ Enter ESTABLISHED state)\r
+ {app sends 1st user data; strm 0}\r
+ DATA [TSN=initial TSN_A\r
+ Strm=0,Seq=1 & user data]--\\r
+ (Start T3-rtx timer) \\r
+ \->\r
+ /----- SACK [TSN Ack=init\r
+ TSN_A,Block=0]\r
+ (Cancel T3-rtx timer) <------/\r
+\r
+ ...\r
+ {app sends 2 messages;strm 0}\r
+ /---- DATA\r
+ / [TSN=init TSN_Z\r
+ <--/ Strm=0,Seq=1 & user data 1]\r
+ SACK [TSN Ack=init TSN_Z, /---- DATA\r
+ Block=0] --------\ / [TSN=init TSN_Z +1,\r
+ \/ Strm=0,Seq=2 & user data 2]\r
+ <------/\\r
+ \\r
+ \------>\r
+\r
+ Figure 4: INITiation Example\r
+\r
+ If the T1-init timer expires at "A" after the INIT or COOKIE ECHO\r
+ chunks are sent, the same INIT or COOKIE ECHO chunk with the same\r
+ Initiate Tag (i.e., Tag_A) or State Cookie shall be retransmitted and\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 59]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ the timer restarted. This shall be repeated Max.Init.Retransmits\r
+ times before "A" considers "Z" unreachable and reports the failure to\r
+ its upper layer (and thus the association enters the CLOSED state).\r
+ When retransmitting the INIT, the endpoint MUST follow the rules\r
+ defined in 6.3 to determine the proper timer value.\r
+\r
+5.2 Handle Duplicate or Unexpected INIT, INIT ACK, COOKIE ECHO, and\r
+ COOKIE ACK\r
+\r
+ During the lifetime of an association (in one of the possible\r
+ states), an endpoint may receive from its peer endpoint one of the\r
+ setup chunks (INIT, INIT ACK, COOKIE ECHO, and COOKIE ACK). The\r
+ receiver shall treat such a setup chunk as a duplicate and process it\r
+ as described in this section.\r
+\r
+ Note: An endpoint will not receive the chunk unless the chunk was\r
+ sent to a SCTP transport address and is from a SCTP transport address\r
+ associated with this endpoint. Therefore, the endpoint processes\r
+ such a chunk as part of its current association.\r
+\r
+ The following scenarios can cause duplicated or unexpected chunks:\r
+\r
+ A) The peer has crashed without being detected, re-started itself and\r
+ sent out a new INIT chunk trying to restore the association,\r
+\r
+ B) Both sides are trying to initialize the association at about the\r
+ same time,\r
+\r
+ C) The chunk is from a stale packet that was used to establish the\r
+ present association or a past association that is no longer in\r
+ existence,\r
+\r
+ D) The chunk is a false packet generated by an attacker, or\r
+\r
+ E) The peer never received the COOKIE ACK and is retransmitting its\r
+ COOKIE ECHO.\r
+\r
+ The rules in the following sections shall be applied in order to\r
+ identify and correctly handle these cases.\r
+\r
+5.2.1 INIT received in COOKIE-WAIT or COOKIE-ECHOED State (Item B)\r
+\r
+ This usually indicates an initialization collision, i.e., each\r
+ endpoint is attempting, at about the same time, to establish an\r
+ association with the other endpoint.\r
+\r
+ Upon receipt of an INIT in the COOKIE-WAIT or COOKIE-ECHOED state, an\r
+ endpoint MUST respond with an INIT ACK using the same parameters it\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 60]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ sent in its original INIT chunk (including its Initiation Tag,\r
+ unchanged). These original parameters are combined with those from\r
+ the newly received INIT chunk. The endpoint shall also generate a\r
+ State Cookie with the INIT ACK. The endpoint uses the parameters\r
+ sent in its INIT to calculate the State Cookie.\r
+\r
+ After that, the endpoint MUST NOT change its state, the T1-init timer\r
+ shall be left running and the corresponding TCB MUST NOT be\r
+ destroyed. The normal procedures for handling State Cookies when a\r
+ TCB exists will resolve the duplicate INITs to a single association.\r
+\r
+ For an endpoint that is in the COOKIE-ECHOED state it MUST populate\r
+ its Tie-Tags with the Tag information of itself and its peer (see\r
+ section 5.2.2 for a description of the Tie-Tags).\r
+\r
+5.2.2 Unexpected INIT in States Other than CLOSED, COOKIE-ECHOED,\r
+ COOKIE-WAIT and SHUTDOWN-ACK-SENT\r
+\r
+ Unless otherwise stated, upon reception of an unexpected INIT for\r
+ this association, the endpoint shall generate an INIT ACK with a\r
+ State Cookie. In the outbound INIT ACK the endpoint MUST copy its\r
+ current Verification Tag and peer's Verification Tag into a reserved\r
+ place within the state cookie. We shall refer to these locations as\r
+ the Peer's-Tie-Tag and the Local-Tie-Tag. The outbound SCTP packet\r
+ containing this INIT ACK MUST carry a Verification Tag value equal to\r
+ the Initiation Tag found in the unexpected INIT. And the INIT ACK\r
+ MUST contain a new Initiation Tag (randomly generated see Section\r
+ 5.3.1). Other parameters for the endpoint SHOULD be copied from the\r
+ existing parameters of the association (e.g. number of outbound\r
+ streams) into the INIT ACK and cookie.\r
+\r
+ After sending out the INIT ACK, the endpoint shall take no further\r
+ actions, i.e., the existing association, including its current state,\r
+ and the corresponding TCB MUST NOT be changed.\r
+\r
+ Note: Only when a TCB exists and the association is not in a COOKIE-\r
+ WAIT state are the Tie-Tags populated. For a normal association INIT\r
+ (i.e. the endpoint is in a COOKIE-WAIT state), the Tie-Tags MUST be\r
+ set to 0 (indicating that no previous TCB existed). The INIT ACK and\r
+ State Cookie are populated as specified in section 5.2.1.\r
+\r
+5.2.3 Unexpected INIT ACK\r
+\r
+ If an INIT ACK is received by an endpoint in any state other than the\r
+ COOKIE-WAIT state, the endpoint should discard the INIT ACK chunk.\r
+ An unexpected INIT ACK usually indicates the processing of an old or\r
+ duplicated INIT chunk.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 61]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+5.2.4 Handle a COOKIE ECHO when a TCB exists\r
+\r
+ When a COOKIE ECHO chunk is received by an endpoint in any state for\r
+ an existing association (i.e., not in the CLOSED state) the following\r
+ rules shall be applied:\r
+\r
+ 1) Compute a MAC as described in Step 1 of Section 5.1.5,\r
+\r
+ 2) Authenticate the State Cookie as described in Step 2 of Section\r
+ 5.1.5 (this is case C or D above).\r
+\r
+ 3) Compare the timestamp in the State Cookie to the current time. If\r
+ the State Cookie is older than the lifespan carried in the State\r
+ Cookie and the Verification Tags contained in the State Cookie do\r
+ not match the current association's Verification Tags, the packet,\r
+ including the COOKIE ECHO and any DATA chunks, should be\r
+ discarded. The endpoint also MUST transmit an ERROR chunk with a\r
+ "Stale Cookie" error cause to the peer endpoint (this is case C or\r
+ D in section 5.2).\r
+\r
+ If both Verification Tags in the State Cookie match the\r
+ Verification Tags of the current association, consider the State\r
+ Cookie valid (this is case E of section 5.2) even if the lifespan\r
+ is exceeded.\r
+\r
+ 4) If the State Cookie proves to be valid, unpack the TCB into a\r
+ temporary TCB.\r
+\r
+ 5) Refer to Table 2 to determine the correct action to be taken.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 62]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
++------------+------------+---------------+--------------+-------------+\r
+| Local Tag | Peer's Tag | Local-Tie-Tag |Peer's-Tie-Tag| Action/ |\r
+| | | | | Description |\r
++------------+------------+---------------+--------------+-------------+\r
+| X | X | M | M | (A) |\r
++------------+------------+---------------+--------------+-------------+\r
+| M | X | A | A | (B) |\r
++------------+------------+---------------+--------------+-------------+\r
+| M | 0 | A | A | (B) |\r
++------------+------------+---------------+--------------+-------------+\r
+| X | M | 0 | 0 | (C) |\r
++------------+------------+---------------+--------------+-------------+\r
+| M | M | A | A | (D) |\r
++======================================================================+\r
+| Table 2: Handling of a COOKIE ECHO when a TCB exists |\r
++======================================================================+\r
+\r
+ Legend:\r
+\r
+ X - Tag does not match the existing TCB\r
+ M - Tag matches the existing TCB.\r
+ 0 - No Tie-Tag in Cookie (unknown).\r
+ A - All cases, i.e. M, X or 0.\r
+\r
+ Note: For any case not shown in Table 2, the cookie should be\r
+ silently discarded.\r
+\r
+ Action\r
+\r
+ A) In this case, the peer may have restarted. When the endpoint\r
+ recognizes this potential 'restart', the existing session is\r
+ treated the same as if it received an ABORT followed by a new\r
+ COOKIE ECHO with the following exceptions:\r
+\r
+ - Any SCTP DATA Chunks MAY be retained (this is an implementation\r
+ specific option).\r
+\r
+ - A notification of RESTART SHOULD be sent to the ULP instead of\r
+ a "COMMUNICATION LOST" notification.\r
+\r
+ All the congestion control parameters (e.g., cwnd, ssthresh)\r
+ related to this peer MUST be reset to their initial values (see\r
+ Section 6.2.1).\r
+\r
+ After this the endpoint shall enter the ESTABLISHED state.\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 63]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ If the endpoint is in the SHUTDOWN-ACK-SENT state and recognizes\r
+ the peer has restarted (Action A), it MUST NOT setup a new\r
+ association but instead resend the SHUTDOWN ACK and send an ERROR\r
+ chunk with a "Cookie Received while Shutting Down" error cause to\r
+ its peer.\r
+\r
+ B) In this case, both sides may be attempting to start an association\r
+ at about the same time but the peer endpoint started its INIT\r
+ after responding to the local endpoint's INIT. Thus it may have\r
+ picked a new Verification Tag not being aware of the previous Tag\r
+ it had sent this endpoint. The endpoint should stay in or enter\r
+ the ESTABLISHED state but it MUST update its peer's Verification\r
+ Tag from the State Cookie, stop any init or cookie timers that may\r
+ running and send a COOKIE ACK.\r
+\r
+ C) In this case, the local endpoint's cookie has arrived late.\r
+ Before it arrived, the local endpoint sent an INIT and received an\r
+ INIT-ACK and finally sent a COOKIE ECHO with the peer's same tag\r
+ but a new tag of its own. The cookie should be silently\r
+ discarded. The endpoint SHOULD NOT change states and should leave\r
+ any timers running.\r
+\r
+ D) When both local and remote tags match the endpoint should always\r
+ enter the ESTABLISHED state, if it has not already done so. It\r
+ should stop any init or cookie timers that may be running and send\r
+ a COOKIE ACK.\r
+\r
+ Note: The "peer's Verification Tag" is the tag received in the\r
+ Initiate Tag field of the INIT or INIT ACK chunk.\r
+\r
+5.2.4.1 An Example of a Association Restart\r
+\r
+ In the following example, "A" initiates the association after a\r
+ restart has occurred. Endpoint "Z" had no knowledge of the restart\r
+ until the exchange (i.e. Heartbeats had not yet detected the failure\r
+ of "A"). (assuming no bundling or fragmentation occurs):\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 64]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+Endpoint A Endpoint Z\r
+<-------------- Association is established---------------------->\r
+Tag=Tag_A Tag=Tag_Z\r
+<--------------------------------------------------------------->\r
+{A crashes and restarts}\r
+{app sets up a association with Z}\r
+(build TCB)\r
+INIT [I-Tag=Tag_A'\r
+ & other info] --------\\r
+(Start T1-init timer) \\r
+(Enter COOKIE-WAIT state) \---> (find a existing TCB\r
+ compose temp TCB and Cookie_Z\r
+ with Tie-Tags to previous\r
+ association)\r
+ /--- INIT ACK [Veri Tag=Tag_A',\r
+ / I-Tag=Tag_Z',\r
+(Cancel T1-init timer) <------/ Cookie_Z[TieTags=\r
+ Tag_A,Tag_Z\r
+ & other info]\r
+ (destroy temp TCB,leave original\r
+ in place)\r
+COOKIE ECHO [Veri=Tag_Z',\r
+ Cookie_Z\r
+ Tie=Tag_A,\r
+ Tag_Z]----------\\r
+(Start T1-init timer) \\r
+(Enter COOKIE-ECHOED state) \---> (Find existing association,\r
+ Tie-Tags match old tags,\r
+ Tags do not match i.e.\r
+ case X X M M above,\r
+ Announce Restart to ULP\r
+ and reset association).\r
+ /---- COOKIE-ACK\r
+ /\r
+(Cancel T1-init timer, <-----/\r
+ Enter ESTABLISHED state)\r
+{app sends 1st user data; strm 0}\r
+DATA [TSN=initial TSN_A\r
+ Strm=0,Seq=1 & user data]--\\r
+(Start T3-rtx timer) \\r
+ \->\r
+ /----- SACK [TSN Ack=init TSN_A,Block=0]\r
+(Cancel T3-rtx timer) <------/\r
+\r
+ Figure 5: A Restart Example\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 65]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+5.2.5 Handle Duplicate COOKIE-ACK.\r
+\r
+ At any state other than COOKIE-ECHOED, an endpoint should silently\r
+ discard a received COOKIE ACK chunk.\r
+\r
+5.2.6 Handle Stale COOKIE Error\r
+\r
+ Receipt of an ERROR chunk with a "Stale Cookie" error cause indicates\r
+ one of a number of possible events:\r
+\r
+ A) That the association failed to completely setup before the State\r
+ Cookie issued by the sender was processed.\r
+\r
+ B) An old State Cookie was processed after setup completed.\r
+\r
+ C) An old State Cookie is received from someone that the receiver is\r
+ not interested in having an association with and the ABORT chunk\r
+ was lost.\r
+\r
+ When processing an ERROR chunk with a "Stale Cookie" error cause an\r
+ endpoint should first examine if an association is in the process of\r
+ being setup, i.e. the association is in the COOKIE-ECHOED state. In\r
+ all cases if the association is not in the COOKIE-ECHOED state, the\r
+ ERROR chunk should be silently discarded.\r
+\r
+ If the association is in the COOKIE-ECHOED state, the endpoint may\r
+ elect one of the following three alternatives.\r
+\r
+ 1) Send a new INIT chunk to the endpoint to generate a new State\r
+ Cookie and re-attempt the setup procedure.\r
+\r
+ 2) Discard the TCB and report to the upper layer the inability to\r
+ setup the association.\r
+\r
+ 3) Send a new INIT chunk to the endpoint, adding a Cookie\r
+ Preservative parameter requesting an extension to the lifetime of\r
+ the State Cookie. When calculating the time extension, an\r
+ implementation SHOULD use the RTT information measured based on\r
+ the previous COOKIE ECHO / ERROR exchange, and should add no more\r
+ than 1 second beyond the measured RTT, due to long State Cookie\r
+ lifetimes making the endpoint more subject to a replay attack.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 66]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+5.3 Other Initialization Issues\r
+\r
+5.3.1 Selection of Tag Value\r
+\r
+ Initiate Tag values should be selected from the range of 1 to 2**32 -\r
+ 1. It is very important that the Initiate Tag value be randomized to\r
+ help protect against "man in the middle" and "sequence number"\r
+ attacks. The methods described in [RFC1750] can be used for the\r
+ Initiate Tag randomization. Careful selection of Initiate Tags is\r
+ also necessary to prevent old duplicate packets from previous\r
+ associations being mistakenly processed as belonging to the current\r
+ association.\r
+\r
+ Moreover, the Verification Tag value used by either endpoint in a\r
+ given association MUST NOT change during the lifetime of an\r
+ association. A new Verification Tag value MUST be used each time the\r
+ endpoint tears-down and then re-establishes an association to the\r
+ same peer.\r
+\r
+6. User Data Transfer\r
+\r
+ Data transmission MUST only happen in the ESTABLISHED, SHUTDOWN-\r
+ PENDING, and SHUTDOWN-RECEIVED states. The only exception to this is\r
+ that DATA chunks are allowed to be bundled with an outbound COOKIE\r
+ ECHO chunk when in COOKIE-WAIT state.\r
+\r
+ DATA chunks MUST only be received according to the rules below in\r
+ ESTABLISHED, SHUTDOWN-PENDING, SHUTDOWN-SENT. A DATA chunk received\r
+ in CLOSED is out of the blue and SHOULD be handled per 8.4. A DATA\r
+ chunk received in any other state SHOULD be discarded.\r
+\r
+ A SACK MUST be processed in ESTABLISHED, SHUTDOWN-PENDING, and\r
+ SHUTDOWN-RECEIVED. An incoming SACK MAY be processed in COOKIE-\r
+ ECHOED. A SACK in the CLOSED state is out of the blue and SHOULD be\r
+ processed according to the rules in 8.4. A SACK chunk received in\r
+ any other state SHOULD be discarded.\r
+\r
+\r
+ A SCTP receiver MUST be able to receive a minimum of 1500 bytes in\r
+ one SCTP packet. This means that a SCTP endpoint MUST NOT indicate\r
+ less than 1500 bytes in its Initial a_rwnd sent in the INIT or INIT\r
+ ACK.\r
+\r
+ For transmission efficiency, SCTP defines mechanisms for bundling of\r
+ small user messages and fragmentation of large user messages. The\r
+ following diagram depicts the flow of user messages through SCTP.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 67]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ In this section the term "data sender" refers to the endpoint that\r
+ transmits a DATA chunk and the term "data receiver" refers to the\r
+ endpoint that receives a DATA chunk. A data receiver will transmit\r
+ SACK chunks.\r
+\r
+ +--------------------------+\r
+ | User Messages |\r
+ +--------------------------+\r
+ SCTP user ^ |\r
+ ==================|==|=======================================\r
+ | v (1)\r
+ +------------------+ +--------------------+\r
+ | SCTP DATA Chunks | |SCTP Control Chunks |\r
+ +------------------+ +--------------------+\r
+ ^ | ^ |\r
+ | v (2) | v (2)\r
+ +--------------------------+\r
+ | SCTP packets |\r
+ +--------------------------+\r
+ SCTP ^ |\r
+ ===========================|==|===========================\r
+ | v\r
+ Connectionless Packet Transfer Service (e.g., IP)\r
+\r
+ Notes:\r
+\r
+ 1) When converting user messages into DATA chunks, an endpoint\r
+ will fragment user messages larger than the current association\r
+ path MTU into multiple DATA chunks. The data receiver will\r
+ normally reassemble the fragmented message from DATA chunks\r
+ before delivery to the user (see Section 6.9 for details).\r
+\r
+ 2) Multiple DATA and control chunks may be bundled by the sender\r
+ into a single SCTP packet for transmission, as long as the\r
+ final size of the packet does not exceed the current path MTU.\r
+ The receiver will unbundle the packet back into the original\r
+ chunks. Control chunks MUST come before DATA chunks in the\r
+ packet.\r
+\r
+ Figure 6: Illustration of User Data Transfer\r
+\r
+ The fragmentation and bundling mechanisms, as detailed in Sections\r
+ 6.9 and 6.10, are OPTIONAL to implement by the data sender, but they\r
+ MUST be implemented by the data receiver, i.e., an endpoint MUST\r
+ properly receive and process bundled or fragmented data.\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 68]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+6.1 Transmission of DATA Chunks\r
+\r
+ This document is specified as if there is a single retransmission\r
+ timer per destination transport address, but implementations MAY have\r
+ a retransmission timer for each DATA chunk.\r
+\r
+ The following general rules MUST be applied by the data sender for\r
+ transmission and/or retransmission of outbound DATA chunks:\r
+\r
+ A) At any given time, the data sender MUST NOT transmit new data to\r
+ any destination transport address if its peer's rwnd indicates\r
+ that the peer has no buffer space (i.e. rwnd is 0, see Section\r
+ 6.2.1). However, regardless of the value of rwnd (including if it\r
+ is 0), the data sender can always have one DATA chunk in flight to\r
+ the receiver if allowed by cwnd (see rule B below). This rule\r
+ allows the sender to probe for a change in rwnd that the sender\r
+ missed due to the SACK having been lost in transit from the data\r
+ receiver to the data sender.\r
+\r
+ B) At any given time, the sender MUST NOT transmit new data to a\r
+ given transport address if it has cwnd or more bytes of data\r
+ outstanding to that transport address.\r
+\r
+ C) When the time comes for the sender to transmit, before sending new\r
+ DATA chunks, the sender MUST first transmit any outstanding DATA\r
+ chunks which are marked for retransmission (limited by the current\r
+ cwnd).\r
+\r
+ D) Then, the sender can send out as many new DATA chunks as Rule A\r
+ and Rule B above allow.\r
+\r
+ Multiple DATA chunks committed for transmission MAY be bundled in a\r
+ single packet. Furthermore, DATA chunks being retransmitted MAY be\r
+ bundled with new DATA chunks, as long as the resulting packet size\r
+ does not exceed the path MTU. A ULP may request that no bundling is\r
+ performed but this should only turn off any delays that a SCTP\r
+ implementation may be using to increase bundling efficiency. It does\r
+ not in itself stop all bundling from occurring (i.e. in case of\r
+ congestion or retransmission).\r
+\r
+ Before an endpoint transmits a DATA chunk, if any received DATA\r
+ chunks have not been acknowledged (e.g., due to delayed ack), the\r
+ sender should create a SACK and bundle it with the outbound DATA\r
+ chunk, as long as the size of the final SCTP packet does not exceed\r
+ the current MTU. See Section 6.2.\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 69]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ IMPLEMENTATION NOTE: When the window is full (i.e., transmission is\r
+ disallowed by Rule A and/or Rule B), the sender MAY still accept send\r
+ requests from its upper layer, but MUST transmit no more DATA chunks\r
+ until some or all of the outstanding DATA chunks are acknowledged and\r
+ transmission is allowed by Rule A and Rule B again.\r
+\r
+ Whenever a transmission or retransmission is made to any address, if\r
+ the T3-rtx timer of that address is not currently running, the sender\r
+ MUST start that timer. If the timer for that address is already\r
+ running, the sender MUST restart the timer if the earliest (i.e.,\r
+ lowest TSN) outstanding DATA chunk sent to that address is being\r
+ retransmitted. Otherwise, the data sender MUST NOT restart the\r
+ timer.\r
+\r
+ When starting or restarting the T3-rtx timer, the timer value must be\r
+ adjusted according to the timer rules defined in Sections 6.3.2, and\r
+ 6.3.3.\r
+\r
+ Note: The data sender SHOULD NOT use a TSN that is more than 2**31 -\r
+ 1 above the beginning TSN of the current send window.\r
+\r
+6.2 Acknowledgement on Reception of DATA Chunks\r
+\r
+ The SCTP endpoint MUST always acknowledge the reception of each valid\r
+ DATA chunk.\r
+\r
+ The guidelines on delayed acknowledgement algorithm specified in\r
+ Section 4.2 of [RFC2581] SHOULD be followed. Specifically, an\r
+ acknowledgement SHOULD be generated for at least every second packet\r
+ (not every second DATA chunk) received, and SHOULD be generated\r
+ within 200 ms of the arrival of any unacknowledged DATA chunk. In\r
+ some situations it may be beneficial for an SCTP transmitter to be\r
+ more conservative than the algorithms detailed in this document\r
+ allow. However, an SCTP transmitter MUST NOT be more aggressive than\r
+ the following algorithms allow.\r
+\r
+ A SCTP receiver MUST NOT generate more than one SACK for every\r
+ incoming packet, other than to update the offered window as the\r
+ receiving application consumes new data.\r
+\r
+ IMPLEMENTATION NOTE: The maximum delay for generating an\r
+ acknowledgement may be configured by the SCTP administrator, either\r
+ statically or dynamically, in order to meet the specific timing\r
+ requirement of the protocol being carried.\r
+\r
+ An implementation MUST NOT allow the maximum delay to be configured\r
+ to be more than 500 ms. In other words an implementation MAY lower\r
+ this value below 500ms but MUST NOT raise it above 500ms.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 70]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Acknowledgements MUST be sent in SACK chunks unless shutdown was\r
+ requested by the ULP in which case an endpoint MAY send an\r
+ acknowledgement in the SHUTDOWN chunk. A SACK chunk can acknowledge\r
+ the reception of multiple DATA chunks. See Section 3.3.4 for SACK\r
+ chunk format. In particular, the SCTP endpoint MUST fill in the\r
+ Cumulative TSN Ack field to indicate the latest sequential TSN (of a\r
+ valid DATA chunk) it has received. Any received DATA chunks with TSN\r
+ greater than the value in the Cumulative TSN Ack field SHOULD also be\r
+ reported in the Gap Ack Block fields.\r
+\r
+ Note: The SHUTDOWN chunk does not contain Gap Ack Block fields.\r
+ Therefore, the endpoint should use a SACK instead of the SHUTDOWN\r
+ chunk to acknowledge DATA chunks received out of order .\r
+\r
+ When a packet arrives with duplicate DATA chunk(s) and with no new\r
+ DATA chunk(s), the endpoint MUST immediately send a SACK with no\r
+ delay. If a packet arrives with duplicate DATA chunk(s) bundled with\r
+ new DATA chunks, the endpoint MAY immediately send a SACK. Normally\r
+ receipt of duplicate DATA chunks will occur when the original SACK\r
+ chunk was lost and the peer's RTO has expired. The duplicate TSN\r
+ number(s) SHOULD be reported in the SACK as duplicate.\r
+\r
+ When an endpoint receives a SACK, it MAY use the Duplicate TSN\r
+ information to determine if SACK loss is occurring. Further use of\r
+ this data is for future study.\r
+\r
+ The data receiver is responsible for maintaining its receive buffers.\r
+ The data receiver SHOULD notify the data sender in a timely manner of\r
+ changes in its ability to receive data. How an implementation\r
+ manages its receive buffers is dependent on many factors (e.g.,\r
+ Operating System, memory management system, amount of memory, etc.).\r
+ However, the data sender strategy defined in Section 6.2.1 is based\r
+ on the assumption of receiver operation similar to the following:\r
+\r
+ A) At initialization of the association, the endpoint tells the\r
+ peer how much receive buffer space it has allocated to the\r
+ association in the INIT or INIT ACK. The endpoint sets a_rwnd\r
+ to this value.\r
+\r
+ B) As DATA chunks are received and buffered, decrement a_rwnd by\r
+ the number of bytes received and buffered. This is, in effect,\r
+ closing rwnd at the data sender and restricting the amount of\r
+ data it can transmit.\r
+\r
+ C) As DATA chunks are delivered to the ULP and released from the\r
+ receive buffers, increment a_rwnd by the number of bytes\r
+ delivered to the upper layer. This is, in effect, opening up\r
+ rwnd on the data sender and allowing it to send more data. The\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 71]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ data receiver SHOULD NOT increment a_rwnd unless it has\r
+ released bytes from its receive buffer. For example, if the\r
+ receiver is holding fragmented DATA chunks in a reassembly\r
+ queue, it should not increment a_rwnd.\r
+\r
+ D) When sending a SACK, the data receiver SHOULD place the current\r
+ value of a_rwnd into the a_rwnd field. The data receiver\r
+ SHOULD take into account that the data sender will not\r
+ retransmit DATA chunks that are acked via the Cumulative TSN\r
+ Ack (i.e., will drop from its retransmit queue).\r
+\r
+ Under certain circumstances, the data receiver may need to drop DATA\r
+ chunks that it has received but hasn't released from its receive\r
+ buffers (i.e., delivered to the ULP). These DATA chunks may have\r
+ been acked in Gap Ack Blocks. For example, the data receiver may be\r
+ holding data in its receive buffers while reassembling a fragmented\r
+ user message from its peer when it runs out of receive buffer space.\r
+ It may drop these DATA chunks even though it has acknowledged them in\r
+ Gap Ack Blocks. If a data receiver drops DATA chunks, it MUST NOT\r
+ include them in Gap Ack Blocks in subsequent SACKs until they are\r
+ received again via retransmission. In addition, the endpoint should\r
+ take into account the dropped data when calculating its a_rwnd.\r
+\r
+ An endpoint SHOULD NOT revoke a SACK and discard data. Only in\r
+ extreme circumstance should an endpoint use this procedure (such as\r
+ out of buffer space). The data receiver should take into account\r
+ that dropping data that has been acked in Gap Ack Blocks can result\r
+ in suboptimal retransmission strategies in the data sender and thus\r
+ in suboptimal performance.\r
+\r
+ The following example illustrates the use of delayed\r
+ acknowledgements:\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 72]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Endpoint A Endpoint Z\r
+\r
+ {App sends 3 messages; strm 0}\r
+ DATA [TSN=7,Strm=0,Seq=3] ------------> (ack delayed)\r
+ (Start T3-rtx timer)\r
+\r
+ DATA [TSN=8,Strm=0,Seq=4] ------------> (send ack)\r
+ /------- SACK [TSN Ack=8,block=0]\r
+ (cancel T3-rtx timer) <-----/\r
+\r
+ DATA [TSN=9,Strm=0,Seq=5] ------------> (ack delayed)\r
+ (Start T3-rtx timer)\r
+ ...\r
+ {App sends 1 message; strm 1}\r
+ (bundle SACK with DATA)\r
+ /----- SACK [TSN Ack=9,block=0] \\r
+ / DATA [TSN=6,Strm=1,Seq=2]\r
+ (cancel T3-rtx timer) <------/ (Start T3-rtx timer)\r
+\r
+ (ack delayed)\r
+ (send ack)\r
+ SACK [TSN Ack=6,block=0] -------------> (cancel T3-rtx timer)\r
+\r
+ Figure 7: Delayed Acknowledgment Example\r
+\r
+ If an endpoint receives a DATA chunk with no user data (i.e., the\r
+ Length field is set to 16) it MUST send an ABORT with error cause set\r
+ to "No User Data".\r
+\r
+ An endpoint SHOULD NOT send a DATA chunk with no user data part.\r
+\r
+6.2.1 Processing a Received SACK\r
+\r
+ Each SACK an endpoint receives contains an a_rwnd value. This value\r
+ represents the amount of buffer space the data receiver, at the time\r
+ of transmitting the SACK, has left of its total receive buffer space\r
+ (as specified in the INIT/INIT ACK). Using a_rwnd, Cumulative TSN\r
+ Ack and Gap Ack Blocks, the data sender can develop a representation\r
+ of the peer's receive buffer space.\r
+\r
+ One of the problems the data sender must take into account when\r
+ processing a SACK is that a SACK can be received out of order. That\r
+ is, a SACK sent by the data receiver can pass an earlier SACK and be\r
+ received first by the data sender. If a SACK is received out of\r
+ order, the data sender can develop an incorrect view of the peer's\r
+ receive buffer space.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 73]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Since there is no explicit identifier that can be used to detect\r
+ out-of-order SACKs, the data sender must use heuristics to determine\r
+ if a SACK is new.\r
+\r
+ An endpoint SHOULD use the following rules to calculate the rwnd,\r
+ using the a_rwnd value, the Cumulative TSN Ack and Gap Ack Blocks in\r
+ a received SACK.\r
+\r
+ A) At the establishment of the association, the endpoint initializes\r
+ the rwnd to the Advertised Receiver Window Credit (a_rwnd) the\r
+ peer specified in the INIT or INIT ACK.\r
+\r
+ B) Any time a DATA chunk is transmitted (or retransmitted) to a peer,\r
+ the endpoint subtracts the data size of the chunk from the rwnd of\r
+ that peer.\r
+\r
+ C) Any time a DATA chunk is marked for retransmission (via either\r
+ T3-rtx timer expiration (Section 6.3.3)or via fast retransmit\r
+ (Section 7.2.4)), add the data size of those chunks to the rwnd.\r
+\r
+ Note: If the implementation is maintaining a timer on each DATA\r
+ chunk then only DATA chunks whose timer expired would be marked\r
+ for retransmission.\r
+\r
+ D) Any time a SACK arrives, the endpoint performs the following:\r
+\r
+ i) If Cumulative TSN Ack is less than the Cumulative TSN Ack\r
+ Point, then drop the SACK. Since Cumulative TSN Ack is\r
+ monotonically increasing, a SACK whose Cumulative TSN Ack is\r
+ less than the Cumulative TSN Ack Point indicates an out-of-\r
+ order SACK.\r
+\r
+ ii) Set rwnd equal to the newly received a_rwnd minus the\r
+ number of bytes still outstanding after processing the\r
+ Cumulative TSN Ack and the Gap Ack Blocks.\r
+\r
+ iii) If the SACK is missing a TSN that was previously\r
+ acknowledged via a Gap Ack Block (e.g., the data receiver\r
+ reneged on the data), then mark the corresponding DATA chunk as\r
+ available for retransmit: Mark it as missing for fast\r
+ retransmit as described in Section 7.2.4 and if no retransmit\r
+ timer is running for the destination address to which the DATA\r
+ chunk was originally transmitted, then T3-rtx is started for\r
+ that destination address.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 74]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+6.3 Management of Retransmission Timer\r
+\r
+ An SCTP endpoint uses a retransmission timer T3-rtx to ensure data\r
+ delivery in the absence of any feedback from its peer. The duration\r
+ of this timer is referred to as RTO (retransmission timeout).\r
+\r
+ When an endpoint's peer is multi-homed, the endpoint will calculate a\r
+ separate RTO for each different destination transport address of its\r
+ peer endpoint.\r
+\r
+ The computation and management of RTO in SCTP follows closely how TCP\r
+ manages its retransmission timer. To compute the current RTO, an\r
+ endpoint maintains two state variables per destination transport\r
+ address: SRTT (smoothed round-trip time) and RTTVAR (round-trip time\r
+ variation).\r
+\r
+6.3.1 RTO Calculation\r
+\r
+ The rules governing the computation of SRTT, RTTVAR, and RTO are as\r
+ follows:\r
+\r
+ C1) Until an RTT measurement has been made for a packet sent to the\r
+ given destination transport address, set RTO to the protocol\r
+ parameter 'RTO.Initial'.\r
+\r
+ C2) When the first RTT measurement R is made, set SRTT <- R, RTTVAR\r
+ <- R/2, and RTO <- SRTT + 4 * RTTVAR.\r
+\r
+ C3) When a new RTT measurement R' is made, set\r
+\r
+ RTTVAR <- (1 - RTO.Beta) * RTTVAR + RTO.Beta * |SRTT - R'| SRTT\r
+ <- (1 - RTO.Alpha) * SRTT + RTO.Alpha * R'\r
+\r
+ Note: The value of SRTT used in the update to RTTVAR is its value\r
+ before updating SRTT itself using the second assignment.\r
+\r
+ After the computation, update RTO <- SRTT + 4 * RTTVAR.\r
+\r
+ C4) When data is in flight and when allowed by rule C5 below, a new\r
+ RTT measurement MUST be made each round trip. Furthermore, new\r
+ RTT measurements SHOULD be made no more than once per round-trip\r
+ for a given destination transport address. There are two reasons\r
+ for this recommendation: First, it appears that measuring more\r
+ frequently often does not in practice yield any significant\r
+ benefit [ALLMAN99]; second, if measurements are made more often,\r
+ then the values of RTO.Alpha and RTO.Beta in rule C3 above should\r
+ be adjusted so that SRTT and RTTVAR still adjust to changes at\r
+ roughly the same rate (in terms of how many round trips it takes\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 75]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ them to reflect new values) as they would if making only one\r
+ measurement per round-trip and using RTO.Alpha and RTO.Beta as\r
+ given in rule C3. However, the exact nature of these adjustments\r
+ remains a research issue.\r
+\r
+ C5) Karn's algorithm: RTT measurements MUST NOT be made using packets\r
+ that were retransmitted (and thus for which it is ambiguous\r
+ whether the reply was for the first instance of the packet or a\r
+ later instance).\r
+\r
+ C6) Whenever RTO is computed, if it is less than RTO.Min seconds then\r
+ it is rounded up to RTO.Min seconds. The reason for this rule is\r
+ that RTOs that do not have a high minimum value are susceptible\r
+ to unnecessary timeouts [ALLMAN99].\r
+\r
+ C7) A maximum value may be placed on RTO provided it is at least\r
+ RTO.max seconds.\r
+\r
+ There is no requirement for the clock granularity G used for\r
+ computing RTT measurements and the different state variables, other\r
+ than:\r
+\r
+ G1) Whenever RTTVAR is computed, if RTTVAR = 0, then adjust RTTVAR <-\r
+ G.\r
+\r
+ Experience [ALLMAN99] has shown that finer clock granularities (<=\r
+ 100 msec) perform somewhat better than more coarse granularities.\r
+\r
+6.3.2 Retransmission Timer Rules\r
+\r
+ The rules for managing the retransmission timer are as follows:\r
+\r
+ R1) Every time a DATA chunk is sent to any address (including a\r
+ retransmission), if the T3-rtx timer of that address is not\r
+ running, start it running so that it will expire after the RTO of\r
+ that address. The RTO used here is that obtained after any\r
+ doubling due to previous T3-rtx timer expirations on the\r
+ corresponding destination address as discussed in rule E2 below.\r
+\r
+ R2) Whenever all outstanding data sent to an address have been\r
+ acknowledged, turn off the T3-rtx timer of that address.\r
+\r
+ R3) Whenever a SACK is received that acknowledges the DATA chunk with\r
+ the earliest outstanding TSN for that address, restart T3-rtx\r
+ timer for that address with its current RTO (if there is still\r
+ outstanding data on that address).\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 76]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ R4) Whenever a SACK is received missing a TSN that was previously\r
+ acknowledged via a Gap Ack Block, start T3-rtx for the\r
+ destination address to which the DATA chunk was originally\r
+ transmitted if it is not already running.\r
+\r
+ The following example shows the use of various timer rules (assuming\r
+ the receiver uses delayed acks).\r
+\r
+ Endpoint A Endpoint Z\r
+ {App begins to send}\r
+ Data [TSN=7,Strm=0,Seq=3] ------------> (ack delayed)\r
+ (Start T3-rtx timer)\r
+ {App sends 1 message; strm 1}\r
+ (bundle ack with data)\r
+ DATA [TSN=8,Strm=0,Seq=4] ----\ /-- SACK [TSN Ack=7,Block=0]\r
+ \ / DATA [TSN=6,Strm=1,Seq=2]\r
+ \ / (Start T3-rtx timer)\r
+ \\r
+ / \\r
+ (Re-start T3-rtx timer) <------/ \--> (ack delayed)\r
+ (ack delayed)\r
+ {send ack}\r
+ SACK [TSN Ack=6,Block=0] --------------> (Cancel T3-rtx timer)\r
+ ..\r
+ (send ack)\r
+ (Cancel T3-rtx timer) <-------------- SACK [TSN Ack=8,Block=0]\r
+\r
+ Figure 8 - Timer Rule Examples\r
+\r
+6.3.3 Handle T3-rtx Expiration\r
+\r
+ Whenever the retransmission timer T3-rtx expires for a destination\r
+ address, do the following:\r
+\r
+ E1) For the destination address for which the timer expires, adjust\r
+ its ssthresh with rules defined in Section 7.2.3 and set the cwnd\r
+ <- MTU.\r
+\r
+ E2) For the destination address for which the timer expires, set RTO\r
+ <- RTO * 2 ("back off the timer"). The maximum value discussed\r
+ in rule C7 above (RTO.max) may be used to provide an upper bound\r
+ to this doubling operation.\r
+\r
+ E3) Determine how many of the earliest (i.e., lowest TSN) outstanding\r
+ DATA chunks for the address for which the T3-rtx has expired will\r
+ fit into a single packet, subject to the MTU constraint for the\r
+ path corresponding to the destination transport address to which\r
+ the retransmission is being sent (this may be different from the\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 77]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ address for which the timer expires [see Section 6.4]). Call\r
+ this value K. Bundle and retransmit those K DATA chunks in a\r
+ single packet to the destination endpoint.\r
+\r
+ E4) Start the retransmission timer T3-rtx on the destination address\r
+ to which the retransmission is sent, if rule R1 above indicates\r
+ to do so. The RTO to be used for starting T3-rtx should be the\r
+ one for the destination address to which the retransmission is\r
+ sent, which, when the receiver is multi-homed, may be different\r
+ from the destination address for which the timer expired (see\r
+ Section 6.4 below).\r
+\r
+ After retransmitting, once a new RTT measurement is obtained (which\r
+ can happen only when new data has been sent and acknowledged, per\r
+ rule C5, or for a measurement made from a HEARTBEAT [see Section\r
+ 8.3]), the computation in rule C3 is performed, including the\r
+ computation of RTO, which may result in "collapsing" RTO back down\r
+ after it has been subject to doubling (rule E2).\r
+\r
+ Note: Any DATA chunks that were sent to the address for which the\r
+ T3-rtx timer expired but did not fit in one MTU (rule E3 above),\r
+ should be marked for retransmission and sent as soon as cwnd allows\r
+ (normally when a SACK arrives).\r
+\r
+ The final rule for managing the retransmission timer concerns\r
+ failover (see Section 6.4.1):\r
+\r
+ F1) Whenever an endpoint switches from the current destination\r
+ transport address to a different one, the current retransmission\r
+ timers are left running. As soon as the endpoint transmits a\r
+ packet containing DATA chunk(s) to the new transport address,\r
+ start the timer on that transport address, using the RTO value of\r
+ the destination address to which the data is being sent, if rule\r
+ R1 indicates to do so.\r
+\r
+6.4 Multi-homed SCTP Endpoints\r
+\r
+ An SCTP endpoint is considered multi-homed if there are more than one\r
+ transport address that can be used as a destination address to reach\r
+ that endpoint.\r
+\r
+ Moreover, the ULP of an endpoint shall select one of the multiple\r
+ destination addresses of a multi-homed peer endpoint as the primary\r
+ path (see Sections 5.1.2 and 10.1 for details).\r
+\r
+ By default, an endpoint SHOULD always transmit to the primary path,\r
+ unless the SCTP user explicitly specifies the destination transport\r
+ address (and possibly source transport address) to use.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 78]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ An endpoint SHOULD transmit reply chunks (e.g., SACK, HEARTBEAT ACK,\r
+ etc.) to the same destination transport address from which it\r
+ received the DATA or control chunk to which it is replying. This\r
+ rule should also be followed if the endpoint is bundling DATA chunks\r
+ together with the reply chunk.\r
+\r
+ However, when acknowledging multiple DATA chunks received in packets\r
+ from different source addresses in a single SACK, the SACK chunk may\r
+ be transmitted to one of the destination transport addresses from\r
+ which the DATA or control chunks being acknowledged were received.\r
+\r
+ When a receiver of a duplicate DATA chunk sends a SACK to a multi-\r
+ homed endpoint it MAY be beneficial to vary the destination address\r
+ and not use the source address of the DATA chunk. The reason being\r
+ that receiving a duplicate from a multi-homed endpoint might indicate\r
+ that the return path (as specified in the source address of the DATA\r
+ chunk) for the SACK is broken.\r
+\r
+ Furthermore, when its peer is multi-homed, an endpoint SHOULD try to\r
+ retransmit a chunk to an active destination transport address that is\r
+ different from the last destination address to which the DATA chunk\r
+ was sent.\r
+\r
+ Retransmissions do not affect the total outstanding data count.\r
+ However, if the DATA chunk is retransmitted onto a different\r
+ destination address, both the outstanding data counts on the new\r
+ destination address and the old destination address to which the data\r
+ chunk was last sent shall be adjusted accordingly.\r
+\r
+6.4.1 Failover from Inactive Destination Address\r
+\r
+ Some of the transport addresses of a multi-homed SCTP endpoint may\r
+ become inactive due to either the occurrence of certain error\r
+ conditions (see Section 8.2) or adjustments from SCTP user.\r
+\r
+ When there is outbound data to send and the primary path becomes\r
+ inactive (e.g., due to failures), or where the SCTP user explicitly\r
+ requests to send data to an inactive destination transport address,\r
+ before reporting an error to its ULP, the SCTP endpoint should try to\r
+ send the data to an alternate active destination transport address if\r
+ one exists.\r
+\r
+ When retransmitting data, if the endpoint is multi-homed, it should\r
+ consider each source-destination address pair in its retransmission\r
+ selection policy. When retransmitting the endpoint should attempt to\r
+ pick the most divergent source-destination pair from the original\r
+ source-destination pair to which the packet was transmitted.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 79]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Note: Rules for picking the most divergent source-destination pair\r
+ are an implementation decision and is not specified within this\r
+ document.\r
+\r
+6.5 Stream Identifier and Stream Sequence Number\r
+\r
+ Every DATA chunk MUST carry a valid stream identifier. If an\r
+ endpoint receives a DATA chunk with an invalid stream identifier, it\r
+ shall acknowledge the reception of the DATA chunk following the\r
+ normal procedure, immediately send an ERROR chunk with cause set to\r
+ "Invalid Stream Identifier" (see Section 3.3.10) and discard the DATA\r
+ chunk. The endpoint may bundle the ERROR chunk in the same packet as\r
+ the SACK as long as the ERROR follows the SACK.\r
+\r
+ The stream sequence number in all the streams shall start from 0 when\r
+ the association is established. Also, when the stream sequence\r
+ number reaches the value 65535 the next stream sequence number shall\r
+ be set to 0.\r
+\r
+6.6 Ordered and Unordered Delivery\r
+\r
+ Within a stream, an endpoint MUST deliver DATA chunks received with\r
+ the U flag set to 0 to the upper layer according to the order of\r
+ their stream sequence number. If DATA chunks arrive out of order of\r
+ their stream sequence number, the endpoint MUST hold the received\r
+ DATA chunks from delivery to the ULP until they are re-ordered.\r
+\r
+ However, an SCTP endpoint can indicate that no ordered delivery is\r
+ required for a particular DATA chunk transmitted within the stream by\r
+ setting the U flag of the DATA chunk to 1.\r
+\r
+ When an endpoint receives a DATA chunk with the U flag set to 1, it\r
+ must bypass the ordering mechanism and immediately deliver the data\r
+ to the upper layer (after re-assembly if the user data is fragmented\r
+ by the data sender).\r
+\r
+ This provides an effective way of transmitting "out-of-band" data in\r
+ a given stream. Also, a stream can be used as an "unordered" stream\r
+ by simply setting the U flag to 1 in all DATA chunks sent through\r
+ that stream.\r
+\r
+ IMPLEMENTATION NOTE: When sending an unordered DATA chunk, an\r
+ implementation may choose to place the DATA chunk in an outbound\r
+ packet that is at the head of the outbound transmission queue if\r
+ possible.\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 80]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ The 'Stream Sequence Number' field in a DATA chunk with U flag set to\r
+ 1 has no significance. The sender can fill it with arbitrary value,\r
+ but the receiver MUST ignore the field.\r
+\r
+ Note: When transmitting ordered and unordered data, an endpoint does\r
+ not increment its Stream Sequence Number when transmitting a DATA\r
+ chunk with U flag set to 1.\r
+\r
+6.7 Report Gaps in Received DATA TSNs\r
+\r
+ Upon the reception of a new DATA chunk, an endpoint shall examine the\r
+ continuity of the TSNs received. If the endpoint detects a gap in\r
+ the received DATA chunk sequence, it SHOULD send a SACK with Gap Ack\r
+ Blocks immediately. The data receiver continues sending a SACK after\r
+ receipt of each SCTP packet that doesn't fill the gap.\r
+\r
+ Based on the Gap Ack Block from the received SACK, the endpoint can\r
+ calculate the missing DATA chunks and make decisions on whether to\r
+ retransmit them (see Section 6.2.1 for details).\r
+\r
+ Multiple gaps can be reported in one single SACK (see Section 3.3.4).\r
+\r
+ When its peer is multi-homed, the SCTP endpoint SHOULD always try to\r
+ send the SACK to the same destination address from which the last\r
+ DATA chunk was received.\r
+\r
+ Upon the reception of a SACK, the endpoint MUST remove all DATA\r
+ chunks which have been acknowledged by the SACK's Cumulative TSN Ack\r
+ from its transmit queue. The endpoint MUST also treat all the DATA\r
+ chunks with TSNs not included in the Gap Ack Blocks reported by the\r
+ SACK as "missing". The number of "missing" reports for each\r
+ outstanding DATA chunk MUST be recorded by the data sender in order\r
+ to make retransmission decisions. See Section 7.2.4 for details.\r
+\r
+ The following example shows the use of SACK to report a gap.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 81]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Endpoint A Endpoint Z\r
+ {App sends 3 messages; strm 0}\r
+ DATA [TSN=6,Strm=0,Seq=2] ---------------> (ack delayed)\r
+ (Start T3-rtx timer)\r
+\r
+ DATA [TSN=7,Strm=0,Seq=3] --------> X (lost)\r
+\r
+ DATA [TSN=8,Strm=0,Seq=4] ---------------> (gap detected,\r
+ immediately send ack)\r
+ /----- SACK [TSN Ack=6,Block=1,\r
+ / Strt=2,End=2]\r
+ <-----/\r
+ (remove 6 from out-queue,\r
+ and mark 7 as "1" missing report)\r
+\r
+ Figure 9 - Reporting a Gap using SACK\r
+\r
+ The maximum number of Gap Ack Blocks that can be reported within a\r
+ single SACK chunk is limited by the current path MTU. When a single\r
+ SACK can not cover all the Gap Ack Blocks needed to be reported due\r
+ to the MTU limitation, the endpoint MUST send only one SACK,\r
+ reporting the Gap Ack Blocks from the lowest to highest TSNs, within\r
+ the size limit set by the MTU, and leave the remaining highest TSN\r
+ numbers unacknowledged.\r
+\r
+6.8 Adler-32 Checksum Calculation\r
+\r
+ When sending an SCTP packet, the endpoint MUST strengthen the data\r
+ integrity of the transmission by including the Adler-32 checksum\r
+ value calculated on the packet, as described below.\r
+\r
+ After the packet is constructed (containing the SCTP common header\r
+ and one or more control or DATA chunks), the transmitter shall:\r
+\r
+ 1) Fill in the proper Verification Tag in the SCTP common header and\r
+ initialize the checksum field to 0's.\r
+\r
+ 2) Calculate the Adler-32 checksum of the whole packet, including the\r
+ SCTP common header and all the chunks. Refer to appendix B for\r
+ details of the Adler-32 algorithm. And,\r
+\r
+ 3) Put the resultant value into the checksum field in the common\r
+ header, and leave the rest of the bits unchanged.\r
+\r
+ When an SCTP packet is received, the receiver MUST first check the\r
+ Adler-32 checksum:\r
+\r
+ 1) Store the received Adler-32 checksum value aside,\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 82]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ 2) Replace the 32 bits of the checksum field in the received SCTP\r
+ packet with all '0's and calculate an Adler-32 checksum value of\r
+ the whole received packet. And,\r
+\r
+ 3) Verify that the calculated Adler-32 checksum is the same as the\r
+ received Adler-32 checksum. If not, the receiver MUST treat the\r
+ packet as an invalid SCTP packet.\r
+\r
+ The default procedure for handling invalid SCTP packets is to\r
+ silently discard them.\r
+\r
+6.9 Fragmentation and Reassembly\r
+\r
+ An endpoint MAY support fragmentation when sending DATA chunks, but\r
+ MUST support reassembly when receiving DATA chunks. If an endpoint\r
+ supports fragmentation, it MUST fragment a user message if the size\r
+ of the user message to be sent causes the outbound SCTP packet size\r
+ to exceed the current MTU. If an implementation does not support\r
+ fragmentation of outbound user messages, the endpoint must return an\r
+ error to its upper layer and not attempt to send the user message.\r
+\r
+ IMPLEMENTATION NOTE: In this error case, the Send primitive\r
+ discussed in Section 10.1 would need to return an error to the upper\r
+ layer.\r
+\r
+ If its peer is multi-homed, the endpoint shall choose a size no\r
+ larger than the association Path MTU. The association Path MTU is\r
+ the smallest Path MTU of all destination addresses.\r
+\r
+ Note: Once a message is fragmented it cannot be re-fragmented.\r
+ Instead if the PMTU has been reduced, then IP fragmentation must be\r
+ used. Please see Section 7.3 for details of PMTU discovery.\r
+\r
+ When determining when to fragment, the SCTP implementation MUST take\r
+ into account the SCTP packet header as well as the DATA chunk\r
+ header(s). The implementation MUST also take into account the space\r
+ required for a SACK chunk if bundling a SACK chunk with the DATA\r
+ chunk.\r
+\r
+ Fragmentation takes the following steps:\r
+\r
+ 1) The data sender MUST break the user message into a series of DATA\r
+ chunks such that each chunk plus SCTP overhead fits into an IP\r
+ datagram smaller than or equal to the association Path MTU.\r
+\r
+ 2) The transmitter MUST then assign, in sequence, a separate TSN to\r
+ each of the DATA chunks in the series. The transmitter assigns\r
+ the same SSN to each of the DATA chunks. If the user indicates\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 83]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ that the user message is to be delivered using unordered delivery,\r
+ then the U flag of each DATA chunk of the user message MUST be set\r
+ to 1.\r
+\r
+ 3) The transmitter MUST also set the B/E bits of the first DATA chunk\r
+ in the series to '10', the B/E bits of the last DATA chunk in the\r
+ series to '01', and the B/E bits of all other DATA chunks in the\r
+ series to '00'.\r
+\r
+ An endpoint MUST recognize fragmented DATA chunks by examining the\r
+ B/E bits in each of the received DATA chunks, and queue the\r
+ fragmented DATA chunks for re-assembly. Once the user message is\r
+ reassembled, SCTP shall pass the re-assembled user message to the\r
+ specific stream for possible re-ordering and final dispatching.\r
+\r
+ Note: If the data receiver runs out of buffer space while still\r
+ waiting for more fragments to complete the re-assembly of the\r
+ message, it should dispatch part of its inbound message through a\r
+ partial delivery API (see Section 10), freeing some of its receive\r
+ buffer space so that the rest of the message may be received.\r
+\r
+6.10 Bundling\r
+\r
+ An endpoint bundles chunks by simply including multiple chunks in one\r
+ outbound SCTP packet. The total size of the resultant IP datagram,\r
+ including the SCTP packet and IP headers, MUST be less or equal to\r
+ the current Path MTU.\r
+\r
+ If its peer endpoint is multi-homed, the sending endpoint shall\r
+ choose a size no larger than the latest MTU of the current primary\r
+ path.\r
+\r
+ When bundling control chunks with DATA chunks, an endpoint MUST place\r
+ control chunks first in the outbound SCTP packet. The transmitter\r
+ MUST transmit DATA chunks within a SCTP packet in increasing order of\r
+ TSN.\r
+\r
+ Note: Since control chunks must be placed first in a packet and\r
+ since DATA chunks must be transmitted before SHUTDOWN or SHUTDOWN ACK\r
+ chunks, DATA chunks cannot be bundled with SHUTDOWN or SHUTDOWN ACK\r
+ chunks.\r
+\r
+ Partial chunks MUST NOT be placed in an SCTP packet.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 84]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ An endpoint MUST process received chunks in their order in the\r
+ packet. The receiver uses the chunk length field to determine the end\r
+ of a chunk and beginning of the next chunk taking account of the fact\r
+ that all chunks end on a 4 byte boundary. If the receiver detects a\r
+ partial chunk, it MUST drop the chunk.\r
+\r
+ An endpoint MUST NOT bundle INIT, INIT ACK or SHUTDOWN COMPLETE with\r
+ any other chunks.\r
+\r
+7. Congestion control\r
+\r
+ Congestion control is one of the basic functions in SCTP. For some\r
+ applications, it may be likely that adequate resources will be\r
+ allocated to SCTP traffic to assure prompt delivery of time-critical\r
+ data - thus it would appear to be unlikely, during normal operations,\r
+ that transmissions encounter severe congestion conditions. However\r
+ SCTP must operate under adverse operational conditions, which can\r
+ develop upon partial network failures or unexpected traffic surges.\r
+ In such situations SCTP must follow correct congestion control steps\r
+ to recover from congestion quickly in order to get data delivered as\r
+ soon as possible. In the absence of network congestion, these\r
+ preventive congestion control algorithms should show no impact on the\r
+ protocol performance.\r
+\r
+ IMPLEMENTATION NOTE: As far as its specific performance requirements\r
+ are met, an implementation is always allowed to adopt a more\r
+ conservative congestion control algorithm than the one defined below.\r
+\r
+ The congestion control algorithms used by SCTP are based on\r
+ [RFC2581]. This section describes how the algorithms defined in\r
+ RFC2581 are adapted for use in SCTP. We first list differences in\r
+ protocol designs between TCP and SCTP, and then describe SCTP's\r
+ congestion control scheme. The description will use the same\r
+ terminology as in TCP congestion control whenever appropriate.\r
+\r
+ SCTP congestion control is always applied to the entire association,\r
+ and not to individual streams.\r
+\r
+7.1 SCTP Differences from TCP Congestion control\r
+\r
+ Gap Ack Blocks in the SCTP SACK carry the same semantic meaning as\r
+ the TCP SACK. TCP considers the information carried in the SACK as\r
+ advisory information only. SCTP considers the information carried in\r
+ the Gap Ack Blocks in the SACK chunk as advisory. In SCTP, any DATA\r
+ chunk that has been acknowledged by SACK, including DATA that arrived\r
+ at the receiving end out of order, are not considered fully delivered\r
+ until the Cumulative TSN Ack Point passes the TSN of the DATA chunk\r
+ (i.e., the DATA chunk has been acknowledged by the Cumulative TSN Ack\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 85]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ field in the SACK). Consequently, the value of cwnd controls the\r
+ amount of outstanding data, rather than (as in the case of non-SACK\r
+ TCP) the upper bound between the highest acknowledged sequence number\r
+ and the latest DATA chunk that can be sent within the congestion\r
+ window. SCTP SACK leads to different implementations of fast-\r
+ retransmit and fast-recovery than non-SACK TCP. As an example see\r
+ [FALL96].\r
+\r
+ The biggest difference between SCTP and TCP, however, is multi-\r
+ homing. SCTP is designed to establish robust communication\r
+ associations between two endpoints each of which may be reachable by\r
+ more than one transport address. Potentially different addresses may\r
+ lead to different data paths between the two endpoints, thus ideally\r
+ one may need a separate set of congestion control parameters for each\r
+ of the paths. The treatment here of congestion control for multi-\r
+ homed receivers is new with SCTP and may require refinement in the\r
+ future. The current algorithms make the following assumptions:\r
+\r
+ o The sender usually uses the same destination address until being\r
+ instructed by the upper layer otherwise; however, SCTP may change\r
+ to an alternate destination in the event an address is marked\r
+ inactive (see Section 8.2). Also, SCTP may retransmit to a\r
+ different transport address than the original transmission.\r
+\r
+ o The sender keeps a separate congestion control parameter set for\r
+ each of the destination addresses it can send to (not each\r
+ source-destination pair but for each destination). The parameters\r
+ should decay if the address is not used for a long enough time\r
+ period.\r
+\r
+ o For each of the destination addresses, an endpoint does slow-start\r
+ upon the first transmission to that address.\r
+\r
+ Note: TCP guarantees in-sequence delivery of data to its upper-layer\r
+ protocol within a single TCP session. This means that when TCP\r
+ notices a gap in the received sequence number, it waits until the gap\r
+ is filled before delivering the data that was received with sequence\r
+ numbers higher than that of the missing data. On the other hand,\r
+ SCTP can deliver data to its upper-layer protocol even if there is a\r
+ gap in TSN if the Stream Sequence Numbers are in sequence for a\r
+ particular stream (i.e., the missing DATA chunks are for a different\r
+ stream) or if unordered delivery is indicated. Although this does\r
+ not affect cwnd, it might affect rwnd calculation.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 86]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+7.2 SCTP Slow-Start and Congestion Avoidance\r
+\r
+ The slow start and congestion avoidance algorithms MUST be used by an\r
+ endpoint to control the amount of data being injected into the\r
+ network. The congestion control in SCTP is employed in regard to the\r
+ association, not to an individual stream. In some situations it may\r
+ be beneficial for an SCTP sender to be more conservative than the\r
+ algorithms allow; however, an SCTP sender MUST NOT be more aggressive\r
+ than the following algorithms allow.\r
+\r
+ Like TCP, an SCTP endpoint uses the following three control variables\r
+ to regulate its transmission rate.\r
+\r
+ o Receiver advertised window size (rwnd, in bytes), which is set by\r
+ the receiver based on its available buffer space for incoming\r
+ packets.\r
+\r
+ Note: This variable is kept on the entire association.\r
+\r
+ o Congestion control window (cwnd, in bytes), which is adjusted by\r
+ the sender based on observed network conditions.\r
+\r
+ Note: This variable is maintained on a per-destination address\r
+ basis.\r
+\r
+ o Slow-start threshold (ssthresh, in bytes), which is used by the\r
+ sender to distinguish slow start and congestion avoidance phases.\r
+\r
+ Note: This variable is maintained on a per-destination address\r
+ basis.\r
+\r
+ SCTP also requires one additional control variable,\r
+ partial_bytes_acked, which is used during congestion avoidance phase\r
+ to facilitate cwnd adjustment.\r
+\r
+ Unlike TCP, an SCTP sender MUST keep a set of these control variables\r
+ cwnd, ssthresh and partial_bytes_acked for EACH destination address\r
+ of its peer (when its peer is multi-homed). Only one rwnd is kept\r
+ for the whole association (no matter if the peer is multi-homed or\r
+ has a single address).\r
+\r
+7.2.1 Slow-Start\r
+\r
+ Beginning data transmission into a network with unknown conditions or\r
+ after a sufficiently long idle period requires SCTP to probe the\r
+ network to determine the available capacity. The slow start\r
+ algorithm is used for this purpose at the beginning of a transfer, or\r
+ after repairing loss detected by the retransmission timer.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 87]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ o The initial cwnd before DATA transmission or after a sufficiently\r
+ long idle period MUST be <= 2*MTU.\r
+\r
+ o The initial cwnd after a retransmission timeout MUST be no more\r
+ than 1*MTU.\r
+\r
+ o The initial value of ssthresh MAY be arbitrarily high (for\r
+ example, implementations MAY use the size of the receiver\r
+ advertised window).\r
+\r
+ o Whenever cwnd is greater than zero, the endpoint is allowed to\r
+ have cwnd bytes of data outstanding on that transport address.\r
+\r
+ o When cwnd is less than or equal to ssthresh an SCTP endpoint MUST\r
+ use the slow start algorithm to increase cwnd (assuming the\r
+ current congestion window is being fully utilized). If an\r
+ incoming SACK advances the Cumulative TSN Ack Point, cwnd MUST be\r
+ increased by at most the lesser of 1) the total size of the\r
+ previously outstanding DATA chunk(s) acknowledged, and 2) the\r
+ destination's path MTU. This protects against the ACK-Splitting\r
+ attack outlined in [SAVAGE99].\r
+\r
+ In instances where its peer endpoint is multi-homed, if an endpoint\r
+ receives a SACK that advances its Cumulative TSN Ack Point, then it\r
+ should update its cwnd (or cwnds) apportioned to the destination\r
+ addresses to which it transmitted the acknowledged data. However if\r
+ the received SACK does not advance the Cumulative TSN Ack Point, the\r
+ endpoint MUST NOT adjust the cwnd of any of the destination\r
+ addresses.\r
+\r
+ Because an endpoint's cwnd is not tied to its Cumulative TSN Ack\r
+ Point, as duplicate SACKs come in, even though they may not advance\r
+ the Cumulative TSN Ack Point an endpoint can still use them to clock\r
+ out new data. That is, the data newly acknowledged by the SACK\r
+ diminishes the amount of data now in flight to less than cwnd; and so\r
+ the current, unchanged value of cwnd now allows new data to be sent.\r
+ On the other hand, the increase of cwnd must be tied to the\r
+ Cumulative TSN Ack Point advancement as specified above. Otherwise\r
+ the duplicate SACKs will not only clock out new data, but also will\r
+ adversely clock out more new data than what has just left the\r
+ network, during a time of possible congestion.\r
+\r
+ o When the endpoint does not transmit data on a given transport\r
+ address, the cwnd of the transport address should be adjusted to\r
+ max(cwnd/2, 2*MTU) per RTO.\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 88]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+7.2.2 Congestion Avoidance\r
+\r
+ When cwnd is greater than ssthresh, cwnd should be incremented by\r
+ 1*MTU per RTT if the sender has cwnd or more bytes of data\r
+ outstanding for the corresponding transport address.\r
+\r
+ In practice an implementation can achieve this goal in the following\r
+ way:\r
+\r
+ o partial_bytes_acked is initialized to 0.\r
+\r
+ o Whenever cwnd is greater than ssthresh, upon each SACK arrival\r
+ that advances the Cumulative TSN Ack Point, increase\r
+ partial_bytes_acked by the total number of bytes of all new chunks\r
+ acknowledged in that SACK including chunks acknowledged by the new\r
+ Cumulative TSN Ack and by Gap Ack Blocks.\r
+\r
+ o When partial_bytes_acked is equal to or greater than cwnd and\r
+ before the arrival of the SACK the sender had cwnd or more bytes\r
+ of data outstanding (i.e., before arrival of the SACK, flightsize\r
+ was greater than or equal to cwnd), increase cwnd by MTU, and\r
+ reset partial_bytes_acked to (partial_bytes_acked - cwnd).\r
+\r
+ o Same as in the slow start, when the sender does not transmit DATA\r
+ on a given transport address, the cwnd of the transport address\r
+ should be adjusted to max(cwnd / 2, 2*MTU) per RTO.\r
+\r
+ o When all of the data transmitted by the sender has been\r
+ acknowledged by the receiver, partial_bytes_acked is initialized\r
+ to 0.\r
+\r
+7.2.3 Congestion Control\r
+\r
+ Upon detection of packet losses from SACK (see Section 7.2.4), An\r
+ endpoint should do the following:\r
+\r
+ ssthresh = max(cwnd/2, 2*MTU)\r
+ cwnd = ssthresh\r
+\r
+ Basically, a packet loss causes cwnd to be cut in half.\r
+\r
+ When the T3-rtx timer expires on an address, SCTP should perform slow\r
+ start by:\r
+\r
+ ssthresh = max(cwnd/2, 2*MTU)\r
+ cwnd = 1*MTU\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 89]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ and assure that no more than one SCTP packet will be in flight for\r
+ that address until the endpoint receives acknowledgement for\r
+ successful delivery of data to that address.\r
+\r
+7.2.4 Fast Retransmit on Gap Reports\r
+\r
+ In the absence of data loss, an endpoint performs delayed\r
+ acknowledgement. However, whenever an endpoint notices a hole in the\r
+ arriving TSN sequence, it SHOULD start sending a SACK back every time\r
+ a packet arrives carrying data until the hole is filled.\r
+\r
+ Whenever an endpoint receives a SACK that indicates some TSN(s)\r
+ missing, it SHOULD wait for 3 further miss indications (via\r
+ subsequent SACK's) on the same TSN(s) before taking action with\r
+ regard to Fast Retransmit.\r
+\r
+ When the TSN(s) is reported as missing in the fourth consecutive\r
+ SACK, the data sender shall:\r
+\r
+ 1) Mark the missing DATA chunk(s) for retransmission,\r
+\r
+ 2) Adjust the ssthresh and cwnd of the destination address(es) to\r
+ which the missing DATA chunks were last sent, according to the\r
+ formula described in Section 7.2.3.\r
+\r
+ 3) Determine how many of the earliest (i.e., lowest TSN) DATA chunks\r
+ marked for retransmission will fit into a single packet, subject\r
+ to constraint of the path MTU of the destination transport address\r
+ to which the packet is being sent. Call this value K. Retransmit\r
+ those K DATA chunks in a single packet.\r
+\r
+ 4) Restart T3-rtx timer only if the last SACK acknowledged the lowest\r
+ outstanding TSN number sent to that address, or the endpoint is\r
+ retransmitting the first outstanding DATA chunk sent to that\r
+ address.\r
+\r
+ Note: Before the above adjustments, if the received SACK also\r
+ acknowledges new DATA chunks and advances the Cumulative TSN Ack\r
+ Point, the cwnd adjustment rules defined in Sections 7.2.1 and 7.2.2\r
+ must be applied first.\r
+\r
+ A straightforward implementation of the above keeps a counter for\r
+ each TSN hole reported by a SACK. The counter increments for each\r
+ consecutive SACK reporting the TSN hole. After reaching 4 and\r
+ starting the fast retransmit procedure, the counter resets to 0.\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 90]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Because cwnd in SCTP indirectly bounds the number of outstanding\r
+ TSN's, the effect of TCP fast-recovery is achieved automatically with\r
+ no adjustment to the congestion control window size.\r
+\r
+7.3 Path MTU Discovery\r
+\r
+ [RFC1191] specifies "Path MTU Discovery", whereby an endpoint\r
+ maintains an estimate of the maximum transmission unit (MTU) along a\r
+ given Internet path and refrains from sending packets along that path\r
+ which exceed the MTU, other than occasional attempts to probe for a\r
+ change in the Path MTU (PMTU). RFC 1191 is thorough in its\r
+ discussion of the MTU discovery mechanism and strategies for\r
+ determining the current end-to-end MTU setting as well as detecting\r
+ changes in this value. [RFC1981] specifies the same mechanisms for\r
+ IPv6. An SCTP sender using IPv6 MUST use Path MTU Discovery unless\r
+ all packets are less than the minimum IPv6 MTU [RFC2460].\r
+\r
+ An endpoint SHOULD apply these techniques, and SHOULD do so on a\r
+ per-destination-address basis.\r
+\r
+ There are 4 ways in which SCTP differs from the description in RFC\r
+ 1191 of applying MTU discovery to TCP:\r
+\r
+ 1) SCTP associations can span multiple addresses. An endpoint MUST\r
+ maintain separate MTU estimates for each destination address of\r
+ its peer.\r
+\r
+ 2) Elsewhere in this document, when the term "MTU" is discussed, it\r
+ refers to the MTU associated with the destination address\r
+ corresponding to the context of the discussion.\r
+\r
+ 3) Unlike TCP, SCTP does not have a notion of "Maximum Segment Size".\r
+ Accordingly, the MTU for each destination address SHOULD be\r
+ initialized to a value no larger than the link MTU for the local\r
+ interface to which packets for that remote destination address\r
+ will be routed.\r
+\r
+ 4) Since data transmission in SCTP is naturally structured in terms\r
+ of TSNs rather than bytes (as is the case for TCP), the discussion\r
+ in Section 6.5 of RFC 1191 applies: When retransmitting an IP\r
+ datagram to a remote address for which the IP datagram appears too\r
+ large for the path MTU to that address, the IP datagram SHOULD be\r
+ retransmitted without the DF bit set, allowing it to possibly be\r
+ fragmented. Transmissions of new IP datagrams MUST have DF set.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 91]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ 5) The sender should track an association PMTU which will be the\r
+ smallest PMTU discovered for all of the peer's destination\r
+ addresses. When fragmenting messages into multiple parts this\r
+ association PMTU should be used to calculate the size of each\r
+ fragment. This will allow retransmissions to be seamlessly sent\r
+ to an alternate address without encountering IP fragmentation.\r
+\r
+ Other than these differences, the discussion of TCP's use of MTU\r
+ discovery in RFCs 1191 and 1981 applies to SCTP on a per-\r
+ destination-address basis.\r
+\r
+ Note: For IPv6 destination addresses the DF bit does not exist,\r
+ instead the IP datagram must be fragmented as described in [RFC2460].\r
+\r
+8. Fault Management\r
+\r
+8.1 Endpoint Failure Detection\r
+\r
+ An endpoint shall keep a counter on the total number of consecutive\r
+ retransmissions to its peer (including retransmissions to all the\r
+ destination transport addresses of the peer if it is multi-homed).\r
+ If the value of this counter exceeds the limit indicated in the\r
+ protocol parameter 'Association.Max.Retrans', the endpoint shall\r
+ consider the peer endpoint unreachable and shall stop transmitting\r
+ any more data to it (and thus the association enters the CLOSED\r
+ state). In addition, the endpoint shall report the failure to the\r
+ upper layer, and optionally report back all outstanding user data\r
+ remaining in its outbound queue. The association is automatically\r
+ closed when the peer endpoint becomes unreachable.\r
+\r
+ The counter shall be reset each time a DATA chunk sent to that peer\r
+ endpoint is acknowledged (by the reception of a SACK), or a\r
+ HEARTBEAT-ACK is received from the peer endpoint.\r
+\r
+8.2 Path Failure Detection\r
+\r
+ When its peer endpoint is multi-homed, an endpoint should keep a\r
+ error counter for each of the destination transport addresses of the\r
+ peer endpoint.\r
+\r
+ Each time the T3-rtx timer expires on any address, or when a\r
+ HEARTBEAT sent to an idle address is not acknowledged within a RTO,\r
+ the error counter of that destination address will be incremented.\r
+ When the value in the error counter exceeds the protocol parameter\r
+ 'Path.Max.Retrans' of that destination address, the endpoint should\r
+ mark the destination transport address as inactive, and a\r
+ notification SHOULD be sent to the upper layer.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 92]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ When an outstanding TSN is acknowledged or a HEARTBEAT sent to that\r
+ address is acknowledged with a HEARTBEAT ACK, the endpoint shall\r
+ clear the error counter of the destination transport address to which\r
+ the DATA chunk was last sent (or HEARTBEAT was sent). When the peer\r
+ endpoint is multi-homed and the last chunk sent to it was a\r
+ retransmission to an alternate address, there exists an ambiguity as\r
+ to whether or not the acknowledgement should be credited to the\r
+ address of the last chunk sent. However, this ambiguity does not\r
+ seem to bear any significant consequence to SCTP behavior. If this\r
+ ambiguity is undesirable, the transmitter may choose not to clear the\r
+ error counter if the last chunk sent was a retransmission.\r
+\r
+ Note: When configuring the SCTP endpoint, the user should avoid\r
+ having the value of 'Association.Max.Retrans' larger than the\r
+ summation of the 'Path.Max.Retrans' of all the destination addresses\r
+ for the remote endpoint. Otherwise, all the destination addresses\r
+ may become inactive while the endpoint still considers the peer\r
+ endpoint reachable. When this condition occurs, how the SCTP chooses\r
+ to function is implementation specific.\r
+\r
+ When the primary path is marked inactive (due to excessive\r
+ retransmissions, for instance), the sender MAY automatically transmit\r
+ new packets to an alternate destination address if one exists and is\r
+ active. If more than one alternate address is active when the\r
+ primary path is marked inactive only ONE transport address SHOULD be\r
+ chosen and used as the new destination transport address.\r
+\r
+8.3 Path Heartbeat\r
+\r
+ By default, an SCTP endpoint shall monitor the reachability of the\r
+ idle destination transport address(es) of its peer by sending a\r
+ HEARTBEAT chunk periodically to the destination transport\r
+ address(es).\r
+\r
+ A destination transport address is considered "idle" if no new chunk\r
+ which can be used for updating path RTT (usually including first\r
+ transmission DATA, INIT, COOKIE ECHO, HEARTBEAT etc.) and no\r
+ HEARTBEAT has been sent to it within the current heartbeat period of\r
+ that address. This applies to both active and inactive destination\r
+ addresses.\r
+\r
+ The upper layer can optionally initiate the following functions:\r
+\r
+ A) Disable heartbeat on a specific destination transport address of a\r
+ given association,\r
+\r
+ B) Change the HB.interval,\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 93]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ C) Re-enable heartbeat on a specific destination transport address of\r
+ a given association, and,\r
+\r
+ D) Request an on-demand HEARTBEAT on a specific destination transport\r
+ address of a given association.\r
+\r
+ The endpoint should increment the respective error counter of the\r
+ destination transport address each time a HEARTBEAT is sent to that\r
+ address and not acknowledged within one RTO.\r
+\r
+ When the value of this counter reaches the protocol parameter '\r
+ Path.Max.Retrans', the endpoint should mark the corresponding\r
+ destination address as inactive if it is not so marked, and may also\r
+ optionally report to the upper layer the change of reachability of\r
+ this destination address. After this, the endpoint should continue\r
+ HEARTBEAT on this destination address but should stop increasing the\r
+ counter.\r
+\r
+ The sender of the HEARTBEAT chunk should include in the Heartbeat\r
+ Information field of the chunk the current time when the packet is\r
+ sent out and the destination address to which the packet is sent.\r
+\r
+ IMPLEMENTATION NOTE: An alternative implementation of the heartbeat\r
+ mechanism that can be used is to increment the error counter variable\r
+ every time a HEARTBEAT is sent to a destination. Whenever a\r
+ HEARTBEAT ACK arrives, the sender SHOULD clear the error counter of\r
+ the destination that the HEARTBEAT was sent to. This in effect would\r
+ clear the previously stroked error (and any other error counts as\r
+ well).\r
+\r
+ The receiver of the HEARTBEAT should immediately respond with a\r
+ HEARTBEAT ACK that contains the Heartbeat Information field copied\r
+ from the received HEARTBEAT chunk.\r
+\r
+ Upon the receipt of the HEARTBEAT ACK, the sender of the HEARTBEAT\r
+ should clear the error counter of the destination transport address\r
+ to which the HEARTBEAT was sent, and mark the destination transport\r
+ address as active if it is not so marked. The endpoint may\r
+ optionally report to the upper layer when an inactive destination\r
+ address is marked as active due to the reception of the latest\r
+ HEARTBEAT ACK. The receiver of the HEARTBEAT ACK must also clear the\r
+ association overall error count as well (as defined in section 8.1).\r
+\r
+ The receiver of the HEARTBEAT ACK should also perform an RTT\r
+ measurement for that destination transport address using the time\r
+ value carried in the HEARTBEAT ACK chunk.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 94]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ On an idle destination address that is allowed to heartbeat, a\r
+ HEARTBEAT chunk is RECOMMENDED to be sent once per RTO of that\r
+ destination address plus the protocol parameter 'HB.interval' , with\r
+ jittering of +/- 50%, and exponential back-off of the RTO if the\r
+ previous HEARTBEAT is unanswered.\r
+\r
+ A primitive is provided for the SCTP user to change the HB.interval\r
+ and turn on or off the heartbeat on a given destination address. The\r
+ heartbeat interval set by the SCTP user is added to the RTO of that\r
+ destination (including any exponential backoff). Only one heartbeat\r
+ should be sent each time the heartbeat timer expires (if multiple\r
+ destinations are idle). It is a implementation decision on how to\r
+ choose which of the candidate idle destinations to heartbeat to (if\r
+ more than one destination is idle).\r
+\r
+ Note: When tuning the heartbeat interval, there is a side effect that\r
+ SHOULD be taken into account. When this value is increased, i.e.\r
+ the HEARTBEAT takes longer, the detection of lost ABORT messages\r
+ takes longer as well. If a peer endpoint ABORTs the association for\r
+ any reason and the ABORT chunk is lost, the local endpoint will only\r
+ discover the lost ABORT by sending a DATA chunk or HEARTBEAT chunk\r
+ (thus causing the peer to send another ABORT). This must be\r
+ considered when tuning the HEARTBEAT timer. If the HEARTBEAT is\r
+ disabled only sending DATA to the association will discover a lost\r
+ ABORT from the peer.\r
+\r
+8.4 Handle "Out of the blue" Packets\r
+\r
+ An SCTP packet is called an "out of the blue" (OOTB) packet if it is\r
+ correctly formed, i.e., passed the receiver's Adler-32 check (see\r
+ Section 6.8), but the receiver is not able to identify the\r
+ association to which this packet belongs.\r
+\r
+ The receiver of an OOTB packet MUST do the following:\r
+\r
+ 1) If the OOTB packet is to or from a non-unicast address, silently\r
+ discard the packet. Otherwise,\r
+\r
+ 2) If the OOTB packet contains an ABORT chunk, the receiver MUST\r
+ silently discard the OOTB packet and take no further action.\r
+ Otherwise,\r
+\r
+ 3) If the packet contains an INIT chunk with a Verification Tag set\r
+ to '0', process it as described in Section 5.1. Otherwise,\r
+\r
+ 4) If the packet contains a COOKIE ECHO in the first chunk, process\r
+ it as described in Section 5.1. Otherwise,\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 95]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ 5) If the packet contains a SHUTDOWN ACK chunk, the receiver should\r
+ respond to the sender of the OOTB packet with a SHUTDOWN COMPLETE.\r
+ When sending the SHUTDOWN COMPLETE, the receiver of the OOTB\r
+ packet must fill in the Verification Tag field of the outbound\r
+ packet with the Verification Tag received in the SHUTDOWN ACK and\r
+ set the T-bit in the Chunk Flags to indicate that no TCB was\r
+ found. Otherwise,\r
+\r
+ 6) If the packet contains a SHUTDOWN COMPLETE chunk, the receiver\r
+ should silently discard the packet and take no further action.\r
+ Otherwise,\r
+\r
+ 7) If the packet contains a "Stale cookie" ERROR or a COOKIE ACK the\r
+ SCTP Packet should be silently discarded. Otherwise,\r
+\r
+ 8) The receiver should respond to the sender of the OOTB packet with\r
+ an ABORT. When sending the ABORT, the receiver of the OOTB packet\r
+ MUST fill in the Verification Tag field of the outbound packet\r
+ with the value found in the Verification Tag field of the OOTB\r
+ packet and set the T-bit in the Chunk Flags to indicate that no\r
+ TCB was found. After sending this ABORT, the receiver of the OOTB\r
+ packet shall discard the OOTB packet and take no further action.\r
+\r
+8.5 Verification Tag\r
+\r
+ The Verification Tag rules defined in this section apply when sending\r
+ or receiving SCTP packets which do not contain an INIT, SHUTDOWN\r
+ COMPLETE, COOKIE ECHO (see Section 5.1), ABORT or SHUTDOWN ACK chunk.\r
+ The rules for sending and receiving SCTP packets containing one of\r
+ these chunk types are discussed separately in Section 8.5.1.\r
+\r
+ When sending an SCTP packet, the endpoint MUST fill in the\r
+ Verification Tag field of the outbound packet with the tag value in\r
+ the Initiate Tag parameter of the INIT or INIT ACK received from its\r
+ peer.\r
+\r
+ When receiving an SCTP packet, the endpoint MUST ensure that the\r
+ value in the Verification Tag field of the received SCTP packet\r
+ matches its own Tag. If the received Verification Tag value does not\r
+ match the receiver's own tag value, the receiver shall silently\r
+ discard the packet and shall not process it any further except for\r
+ those cases listed in Section 8.5.1 below.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 96]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+8.5.1 Exceptions in Verification Tag Rules\r
+\r
+ A) Rules for packet carrying INIT:\r
+\r
+ - The sender MUST set the Verification Tag of the packet to 0.\r
+\r
+ - When an endpoint receives an SCTP packet with the Verification\r
+ Tag set to 0, it should verify that the packet contains only an\r
+ INIT chunk. Otherwise, the receiver MUST silently discard the\r
+ packet.\r
+\r
+ B) Rules for packet carrying ABORT:\r
+\r
+ - The endpoint shall always fill in the Verification Tag field of\r
+ the outbound packet with the destination endpoint's tag value\r
+ if it is known.\r
+\r
+ - If the ABORT is sent in response to an OOTB packet, the\r
+ endpoint MUST follow the procedure described in Section 8.4.\r
+\r
+ - The receiver MUST accept the packet if the Verification Tag\r
+ matches either its own tag, OR the tag of its peer. Otherwise,\r
+ the receiver MUST silently discard the packet and take no\r
+ further action.\r
+\r
+ C) Rules for packet carrying SHUTDOWN COMPLETE:\r
+\r
+ - When sending a SHUTDOWN COMPLETE, if the receiver of the\r
+ SHUTDOWN ACK has a TCB then the destination endpoint's tag MUST\r
+ be used. Only where no TCB exists should the sender use the\r
+ Verification Tag from the SHUTDOWN ACK.\r
+\r
+ - The receiver of a SHUTDOWN COMPLETE shall accept the packet if\r
+ the Verification Tag field of the packet matches its own tag OR\r
+ it is set to its peer's tag and the T bit is set in the Chunk\r
+ Flags. Otherwise, the receiver MUST silently discard the packet\r
+ and take no further action. An endpoint MUST ignore the\r
+ SHUTDOWN COMPLETE if it is not in the SHUTDOWN-ACK-SENT state.\r
+\r
+ D) Rules for packet carrying a COOKIE ECHO\r
+\r
+ - When sending a COOKIE ECHO, the endpoint MUST use the value of\r
+ the Initial Tag received in the INIT ACK.\r
+\r
+ - The receiver of a COOKIE ECHO follows the procedures in Section\r
+ 5.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 97]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ E) Rules for packet carrying a SHUTDOWN ACK\r
+\r
+ - If the receiver is in COOKIE-ECHOED or COOKIE-WAIT state the\r
+ procedures in section 8.4 SHOULD be followed, in other words it\r
+ should be treated as an Out Of The Blue packet.\r
+\r
+9. Termination of Association\r
+\r
+ An endpoint should terminate its association when it exits from\r
+ service. An association can be terminated by either abort or\r
+ shutdown. An abort of an association is abortive by definition in\r
+ that any data pending on either end of the association is discarded\r
+ and not delivered to the peer. A shutdown of an association is\r
+ considered a graceful close where all data in queue by either\r
+ endpoint is delivered to the respective peers. However, in the case\r
+ of a shutdown, SCTP does not support a half-open state (like TCP)\r
+ wherein one side may continue sending data while the other end is\r
+ closed. When either endpoint performs a shutdown, the association on\r
+ each peer will stop accepting new data from its user and only deliver\r
+ data in queue at the time of sending or receiving the SHUTDOWN chunk.\r
+\r
+9.1 Abort of an Association\r
+\r
+ When an endpoint decides to abort an existing association, it shall\r
+ send an ABORT chunk to its peer endpoint. The sender MUST fill in\r
+ the peer's Verification Tag in the outbound packet and MUST NOT\r
+ bundle any DATA chunk with the ABORT.\r
+\r
+ An endpoint MUST NOT respond to any received packet that contains an\r
+ ABORT chunk (also see Section 8.4).\r
+\r
+ An endpoint receiving an ABORT shall apply the special Verification\r
+ Tag check rules described in Section 8.5.1.\r
+\r
+ After checking the Verification Tag, the receiving endpoint shall\r
+ remove the association from its record, and shall report the\r
+ termination to its upper layer.\r
+\r
+9.2 Shutdown of an Association\r
+\r
+ Using the SHUTDOWN primitive (see Section 10.1), the upper layer of\r
+ an endpoint in an association can gracefully close the association.\r
+ This will allow all outstanding DATA chunks from the peer of the\r
+ shutdown initiator to be delivered before the association terminates.\r
+\r
+ Upon receipt of the SHUTDOWN primitive from its upper layer, the\r
+ endpoint enters SHUTDOWN-PENDING state and remains there until all\r
+ outstanding data has been acknowledged by its peer. The endpoint\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 98]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ accepts no new data from its upper layer, but retransmits data to the\r
+ far end if necessary to fill gaps.\r
+\r
+ Once all its outstanding data has been acknowledged, the endpoint\r
+ shall send a SHUTDOWN chunk to its peer including in the Cumulative\r
+ TSN Ack field the last sequential TSN it has received from the peer.\r
+ It shall then start the T2-shutdown timer and enter the SHUTDOWN-SENT\r
+ state. If the timer expires, the endpoint must re-send the SHUTDOWN\r
+ with the updated last sequential TSN received from its peer.\r
+\r
+ The rules in Section 6.3 MUST be followed to determine the proper\r
+ timer value for T2-shutdown. To indicate any gaps in TSN, the\r
+ endpoint may also bundle a SACK with the SHUTDOWN chunk in the same\r
+ SCTP packet.\r
+\r
+ An endpoint should limit the number of retransmissions of the\r
+ SHUTDOWN chunk to the protocol parameter 'Association.Max.Retrans'.\r
+ If this threshold is exceeded the endpoint should destroy the TCB and\r
+ MUST report the peer endpoint unreachable to the upper layer (and\r
+ thus the association enters the CLOSED state). The reception of any\r
+ packet from its peer (i.e. as the peer sends all of its queued DATA\r
+ chunks) should clear the endpoint's retransmission count and restart\r
+ the T2-Shutdown timer, giving its peer ample opportunity to transmit\r
+ all of its queued DATA chunks that have not yet been sent.\r
+\r
+ Upon the reception of the SHUTDOWN, the peer endpoint shall\r
+\r
+ - enter the SHUTDOWN-RECEIVED state,\r
+\r
+ - stop accepting new data from its SCTP user\r
+\r
+ - verify, by checking the Cumulative TSN Ack field of the chunk,\r
+ that all its outstanding DATA chunks have been received by the\r
+ SHUTDOWN sender.\r
+\r
+ Once an endpoint as reached the SHUTDOWN-RECEIVED state it MUST NOT\r
+ send a SHUTDOWN in response to a ULP request, and should discard\r
+ subsequent SHUTDOWN chunks.\r
+\r
+ If there are still outstanding DATA chunks left, the SHUTDOWN\r
+ receiver shall continue to follow normal data transmission procedures\r
+ defined in Section 6 until all outstanding DATA chunks are\r
+ acknowledged; however, the SHUTDOWN receiver MUST NOT accept new data\r
+ from its SCTP user.\r
+\r
+ While in SHUTDOWN-SENT state, the SHUTDOWN sender MUST immediately\r
+ respond to each received packet containing one or more DATA chunk(s)\r
+ with a SACK, a SHUTDOWN chunk, and restart the T2-shutdown timer. If\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 99]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ it has no more outstanding DATA chunks, the SHUTDOWN receiver shall\r
+ send a SHUTDOWN ACK and start a T2-shutdown timer of its own,\r
+ entering the SHUTDOWN-ACK-SENT state. If the timer expires, the\r
+ endpoint must re-send the SHUTDOWN ACK.\r
+\r
+ The sender of the SHUTDOWN ACK should limit the number of\r
+ retransmissions of the SHUTDOWN ACK chunk to the protocol parameter '\r
+ Association.Max.Retrans'. If this threshold is exceeded the endpoint\r
+ should destroy the TCB and may report the peer endpoint unreachable\r
+ to the upper layer (and thus the association enters the CLOSED\r
+ state).\r
+\r
+ Upon the receipt of the SHUTDOWN ACK, the SHUTDOWN sender shall stop\r
+ the T2-shutdown timer, send a SHUTDOWN COMPLETE chunk to its peer,\r
+ and remove all record of the association.\r
+\r
+ Upon reception of the SHUTDOWN COMPLETE chunk the endpoint will\r
+ verify that it is in SHUTDOWN-ACK-SENT state, if it is not the chunk\r
+ should be discarded. If the endpoint is in the SHUTDOWN-ACK-SENT\r
+ state the endpoint should stop the T2-shutdown timer and remove all\r
+ knowledge of the association (and thus the association enters the\r
+ CLOSED state).\r
+\r
+ An endpoint SHOULD assure that all its outstanding DATA chunks have\r
+ been acknowledged before initiating the shutdown procedure.\r
+\r
+ An endpoint should reject any new data request from its upper layer\r
+ if it is in SHUTDOWN-PENDING, SHUTDOWN-SENT, SHUTDOWN-RECEIVED, or\r
+ SHUTDOWN-ACK-SENT state.\r
+\r
+ If an endpoint is in SHUTDOWN-ACK-SENT state and receives an INIT\r
+ chunk (e.g., if the SHUTDOWN COMPLETE was lost) with source and\r
+ destination transport addresses (either in the IP addresses or in the\r
+ INIT chunk) that belong to this association, it should discard the\r
+ INIT chunk and retransmit the SHUTDOWN ACK chunk.\r
+\r
+ Note: Receipt of an INIT with the same source and destination IP\r
+ addresses as used in transport addresses assigned to an endpoint but\r
+ with a different port number indicates the initialization of a\r
+ separate association.\r
+\r
+ The sender of the INIT or COOKIE ECHO should respond to the receipt\r
+ of a SHUTDOWN-ACK with a stand-alone SHUTDOWN COMPLETE in an SCTP\r
+ packet with the Verification Tag field of its common header set to\r
+ the same tag that was received in the SHUTDOWN ACK packet. This is\r
+ considered an Out of the Blue packet as defined in Section 8.4. The\r
+ sender of the INIT lets T1-init continue running and remains in the\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 100]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ COOKIE-WAIT or COOKIE-ECHOED state. Normal T1-init timer expiration\r
+ will cause the INIT or COOKIE chunk to be retransmitted and thus\r
+ start a new association.\r
+\r
+ If a SHUTDOWN is received in COOKIE WAIT or COOKIE ECHOED states the\r
+ SHUTDOWN chunk SHOULD be silently discarded.\r
+\r
+ If an endpoint is in SHUTDOWN-SENT state and receives a SHUTDOWN\r
+ chunk from its peer, the endpoint shall respond immediately with a\r
+ SHUTDOWN ACK to its peer, and move into a SHUTDOWN-ACK-SENT state\r
+ restarting its T2-shutdown timer.\r
+\r
+ If an endpoint is in the SHUTDOWN-ACK-SENT state and receives a\r
+ SHUTDOWN ACK, it shall stop the T2-shutdown timer, send a SHUTDOWN\r
+ COMPLETE chunk to its peer, and remove all record of the association.\r
+\r
+10. Interface with Upper Layer\r
+\r
+ The Upper Layer Protocols (ULP) shall request for services by passing\r
+ primitives to SCTP and shall receive notifications from SCTP for\r
+ various events.\r
+\r
+ The primitives and notifications described in this section should be\r
+ used as a guideline for implementing SCTP. The following functional\r
+ description of ULP interface primitives is shown for illustrative\r
+ purposes. Different SCTP implementations may have different ULP\r
+ interfaces. However, all SCTPs must provide a certain minimum set of\r
+ services to guarantee that all SCTP implementations can support the\r
+ same protocol hierarchy.\r
+\r
+10.1 ULP-to-SCTP\r
+\r
+ The following sections functionally characterize a ULP/SCTP\r
+ interface. The notation used is similar to most procedure or\r
+ function calls in high level languages.\r
+\r
+ The ULP primitives described below specify the basic functions the\r
+ SCTP must perform to support inter-process communication. Individual\r
+ implementations must define their own exact format, and may provide\r
+ combinations or subsets of the basic functions in single calls.\r
+\r
+ A) Initialize\r
+\r
+ Format: INITIALIZE ([local port], [local eligible address list]) ->\r
+ local SCTP instance name\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 101]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ This primitive allows SCTP to initialize its internal data structures\r
+ and allocate necessary resources for setting up its operation\r
+ environment. Once SCTP is initialized, ULP can communicate directly\r
+ with other endpoints without re-invoking this primitive.\r
+\r
+ SCTP will return a local SCTP instance name to the ULP.\r
+\r
+ Mandatory attributes:\r
+\r
+ None.\r
+\r
+ Optional attributes:\r
+\r
+ The following types of attributes may be passed along with the\r
+ primitive:\r
+\r
+ o local port - SCTP port number, if ULP wants it to be specified;\r
+\r
+ o local eligible address list - An address list that the local SCTP\r
+ endpoint should bind. By default, if an address list is not\r
+ included, all IP addresses assigned to the host should be used by\r
+ the local endpoint.\r
+\r
+ IMPLEMENTATION NOTE: If this optional attribute is supported by an\r
+ implementation, it will be the responsibility of the implementation\r
+ to enforce that the IP source address field of any SCTP packets sent\r
+ out by this endpoint contains one of the IP addresses indicated in\r
+ the local eligible address list.\r
+\r
+ B) Associate\r
+\r
+ Format: ASSOCIATE(local SCTP instance name, destination transport addr,\r
+ outbound stream count)\r
+ -> association id [,destination transport addr list] [,outbound stream\r
+ count]\r
+\r
+ This primitive allows the upper layer to initiate an association to a\r
+ specific peer endpoint.\r
+\r
+ The peer endpoint shall be specified by one of the transport\r
+ addresses which defines the endpoint (see Section 1.4). If the local\r
+ SCTP instance has not been initialized, the ASSOCIATE is considered\r
+ an error.\r
+\r
+ An association id, which is a local handle to the SCTP association,\r
+ will be returned on successful establishment of the association. If\r
+ SCTP is not able to open an SCTP association with the peer endpoint,\r
+ an error is returned.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 102]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Other association parameters may be returned, including the complete\r
+ destination transport addresses of the peer as well as the outbound\r
+ stream count of the local endpoint. One of the transport address\r
+ from the returned destination addresses will be selected by the local\r
+ endpoint as default primary path for sending SCTP packets to this\r
+ peer. The returned "destination transport addr list" can be used by\r
+ the ULP to change the default primary path or to force sending a\r
+ packet to a specific transport address.\r
+\r
+ IMPLEMENTATION NOTE: If ASSOCIATE primitive is implemented as a\r
+ blocking function call, the ASSOCIATE primitive can return\r
+ association parameters in addition to the association id upon\r
+ successful establishment. If ASSOCIATE primitive is implemented as a\r
+ non-blocking call, only the association id shall be returned and\r
+ association parameters shall be passed using the COMMUNICATION UP\r
+ notification.\r
+\r
+ Mandatory attributes:\r
+\r
+ o local SCTP instance name - obtained from the INITIALIZE operation.\r
+\r
+ o destination transport addr - specified as one of the transport\r
+ addresses of the peer endpoint with which the association is to be\r
+ established.\r
+\r
+ o outbound stream count - the number of outbound streams the ULP\r
+ would like to open towards this peer endpoint.\r
+\r
+ Optional attributes:\r
+\r
+ None.\r
+\r
+ C) Shutdown\r
+\r
+ Format: SHUTDOWN(association id)\r
+ -> result\r
+\r
+ Gracefully closes an association. Any locally queued user data will\r
+ be delivered to the peer. The association will be terminated only\r
+ after the peer acknowledges all the SCTP packets sent. A success\r
+ code will be returned on successful termination of the association.\r
+ If attempting to terminate the association results in a failure, an\r
+ error code shall be returned.\r
+\r
+ Mandatory attributes:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 103]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Optional attributes:\r
+\r
+ None.\r
+\r
+ D) Abort\r
+\r
+ Format: ABORT(association id [, cause code])\r
+ -> result\r
+\r
+ Ungracefully closes an association. Any locally queued user data\r
+ will be discarded and an ABORT chunk is sent to the peer. A success\r
+ code will be returned on successful abortion of the association. If\r
+ attempting to abort the association results in a failure, an error\r
+ code shall be returned.\r
+\r
+ Mandatory attributes:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ Optional attributes:\r
+\r
+ o cause code - reason of the abort to be passed to the peer.\r
+\r
+ None.\r
+\r
+ E) Send\r
+\r
+ Format: SEND(association id, buffer address, byte count [,context]\r
+ [,stream id] [,life time] [,destination transport address]\r
+ [,unorder flag] [,no-bundle flag] [,payload protocol-id] )\r
+ -> result\r
+\r
+ This is the main method to send user data via SCTP.\r
+\r
+ Mandatory attributes:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o buffer address - the location where the user message to be\r
+ transmitted is stored;\r
+\r
+ o byte count - The size of the user data in number of bytes;\r
+\r
+ Optional attributes:\r
+\r
+ o context - an optional 32 bit integer that will be carried in the\r
+ sending failure notification to the ULP if the transportation of\r
+ this User Message fails.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 104]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ o stream id - to indicate which stream to send the data on. If not\r
+ specified, stream 0 will be used.\r
+\r
+ o life time - specifies the life time of the user data. The user\r
+ data will not be sent by SCTP after the life time expires. This\r
+ parameter can be used to avoid efforts to transmit stale user\r
+ messages. SCTP notifies the ULP if the data cannot be initiated\r
+ to transport (i.e. sent to the destination via SCTP's send\r
+ primitive) within the life time variable. However, the user data\r
+ will be transmitted if SCTP has attempted to transmit a chunk\r
+ before the life time expired.\r
+\r
+ IMPLEMENTATION NOTE: In order to better support the data lifetime\r
+ option, the transmitter may hold back the assigning of the TSN number\r
+ to an outbound DATA chunk to the last moment. And, for\r
+ implementation simplicity, once a TSN number has been assigned the\r
+ sender should consider the send of this DATA chunk as committed,\r
+ overriding any lifetime option attached to the DATA chunk.\r
+\r
+ o destination transport address - specified as one of the\r
+ destination transport addresses of the peer endpoint to which this\r
+ packet should be sent. Whenever possible, SCTP should use this\r
+ destination transport address for sending the packets, instead of\r
+ the current primary path.\r
+\r
+ o unorder flag - this flag, if present, indicates that the user\r
+ would like the data delivered in an unordered fashion to the peer\r
+ (i.e., the U flag is set to 1 on all DATA chunks carrying this\r
+ message).\r
+\r
+ o no-bundle flag - instructs SCTP not to bundle this user data with\r
+ other outbound DATA chunks. SCTP MAY still bundle even when this\r
+ flag is present, when faced with network congestion.\r
+\r
+ o payload protocol-id - A 32 bit unsigned integer that is to be\r
+ passed to the peer indicating the type of payload protocol data\r
+ being transmitted. This value is passed as opaque data by SCTP.\r
+\r
+ F) Set Primary\r
+\r
+ Format: SETPRIMARY(association id, destination transport address,\r
+ [source transport address] )\r
+ -> result\r
+\r
+ Instructs the local SCTP to use the specified destination transport\r
+ address as primary path for sending packets.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 105]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ The result of attempting this operation shall be returned. If the\r
+ specified destination transport address is not present in the\r
+ "destination transport address list" returned earlier in an associate\r
+ command or communication up notification, an error shall be returned.\r
+\r
+ Mandatory attributes:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o destination transport address - specified as one of the transport\r
+ addresses of the peer endpoint, which should be used as primary\r
+ address for sending packets. This overrides the current primary\r
+ address information maintained by the local SCTP endpoint.\r
+\r
+ Optional attributes:\r
+\r
+ o source transport address - optionally, some implementations may\r
+ allow you to set the default source address placed in all outgoing\r
+ IP datagrams.\r
+\r
+ G) Receive\r
+\r
+ Format: RECEIVE(association id, buffer address, buffer size\r
+ [,stream id])\r
+ -> byte count [,transport address] [,stream id] [,stream sequence\r
+ number] [,partial flag] [,delivery number] [,payload protocol-id]\r
+\r
+ This primitive shall read the first user message in the SCTP in-queue\r
+ into the buffer specified by ULP, if there is one available. The\r
+ size of the message read, in bytes, will be returned. It may,\r
+ depending on the specific implementation, also return other\r
+ information such as the sender's address, the stream id on which it\r
+ is received, whether there are more messages available for retrieval,\r
+ etc. For ordered messages, their stream sequence number may also be\r
+ returned.\r
+\r
+ Depending upon the implementation, if this primitive is invoked when\r
+ no message is available the implementation should return an\r
+ indication of this condition or should block the invoking process\r
+ until data does become available.\r
+\r
+ Mandatory attributes:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o buffer address - the memory location indicated by the ULP to store\r
+ the received message.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 106]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ o buffer size - the maximum size of data to be received, in bytes.\r
+\r
+ Optional attributes:\r
+\r
+ o stream id - to indicate which stream to receive the data on.\r
+\r
+ o stream sequence number - the stream sequence number assigned by\r
+ the sending SCTP peer.\r
+\r
+ o partial flag - if this returned flag is set to 1, then this\r
+ Receive contains a partial delivery of the whole message. When\r
+ this flag is set, the stream id and stream sequence number MUST\r
+ accompany this receive. When this flag is set to 0, it indicates\r
+ that no more deliveries will be received for this stream sequence\r
+ number.\r
+\r
+ o payload protocol-id - A 32 bit unsigned integer that is received\r
+ from the peer indicating the type of payload protocol of the\r
+ received data. This value is passed as opaque data by SCTP.\r
+\r
+ H) Status\r
+\r
+ Format: STATUS(association id)\r
+ -> status data\r
+\r
+ This primitive should return a data block containing the following\r
+ information:\r
+ association connection state,\r
+ destination transport address list,\r
+ destination transport address reachability states,\r
+ current receiver window size,\r
+ current congestion window sizes,\r
+ number of unacknowledged DATA chunks,\r
+ number of DATA chunks pending receipt,\r
+ primary path,\r
+ most recent SRTT on primary path,\r
+ RTO on primary path,\r
+ SRTT and RTO on other destination addresses, etc.\r
+\r
+ Mandatory attributes:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ Optional attributes:\r
+\r
+ None.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 107]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ I) Change Heartbeat\r
+\r
+ Format: CHANGEHEARTBEAT(association id, destination transport address,\r
+ new state [,interval])\r
+ -> result\r
+\r
+ Instructs the local endpoint to enable or disable heartbeat on the\r
+ specified destination transport address.\r
+\r
+ The result of attempting this operation shall be returned.\r
+\r
+ Note: Even when enabled, heartbeat will not take place if the\r
+ destination transport address is not idle.\r
+\r
+ Mandatory attributes:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o destination transport address - specified as one of the transport\r
+ addresses of the peer endpoint.\r
+\r
+ o new state - the new state of heartbeat for this destination\r
+ transport address (either enabled or disabled).\r
+\r
+ Optional attributes:\r
+\r
+ o interval - if present, indicates the frequency of the heartbeat if\r
+ this is to enable heartbeat on a destination transport address.\r
+ This value is added to the RTO of the destination transport\r
+ address. This value, if present, effects all destinations.\r
+\r
+ J) Request HeartBeat\r
+\r
+ Format: REQUESTHEARTBEAT(association id, destination transport\r
+ address)\r
+ -> result\r
+\r
+ Instructs the local endpoint to perform a HeartBeat on the specified\r
+ destination transport address of the given association. The returned\r
+ result should indicate whether the transmission of the HEARTBEAT\r
+ chunk to the destination address is successful.\r
+\r
+ Mandatory attributes:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o destination transport address - the transport address of the\r
+ association on which a heartbeat should be issued.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 108]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ K) Get SRTT Report\r
+\r
+ Format: GETSRTTREPORT(association id, destination transport address)\r
+ -> srtt result\r
+\r
+ Instructs the local SCTP to report the current SRTT measurement on\r
+ the specified destination transport address of the given association.\r
+ The returned result can be an integer containing the most recent SRTT\r
+ in milliseconds.\r
+\r
+ Mandatory attributes:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o destination transport address - the transport address of the\r
+ association on which the SRTT measurement is to be reported.\r
+\r
+ L) Set Failure Threshold\r
+\r
+ Format: SETFAILURETHRESHOLD(association id, destination transport\r
+ address, failure threshold)\r
+ -> result\r
+\r
+ This primitive allows the local SCTP to customize the reachability\r
+ failure detection threshold 'Path.Max.Retrans' for the specified\r
+ destination address.\r
+\r
+ Mandatory attributes:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o destination transport address - the transport address of the\r
+ association on which the failure detection threshold is to be set.\r
+\r
+ o failure threshold - the new value of 'Path.Max.Retrans' for the\r
+ destination address.\r
+\r
+ M) Set Protocol Parameters\r
+\r
+ Format: SETPROTOCOLPARAMETERS(association id, [,destination transport\r
+ address,] protocol parameter list)\r
+ -> result\r
+\r
+ This primitive allows the local SCTP to customize the protocol\r
+ parameters.\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 109]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Mandatory attributes:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o protocol parameter list - The specific names and values of the\r
+ protocol parameters (e.g., Association.Max.Retrans [see Section\r
+ 14]) that the SCTP user wishes to customize.\r
+\r
+ Optional attributes:\r
+\r
+ o destination transport address - some of the protocol parameters\r
+ may be set on a per destination transport address basis.\r
+\r
+ N) Receive unsent message\r
+\r
+ Format: RECEIVE_UNSENT(data retrieval id, buffer address, buffer size\r
+ [,stream id] [, stream sequence number] [,partial flag]\r
+ [,payload protocol-id])\r
+\r
+ o data retrieval id - The identification passed to the ULP in the\r
+ failure notification.\r
+\r
+ o buffer address - the memory location indicated by the ULP to store\r
+ the received message.\r
+\r
+ o buffer size - the maximum size of data to be received, in bytes.\r
+\r
+ Optional attributes:\r
+\r
+ o stream id - this is a return value that is set to indicate\r
+ which stream the data was sent to.\r
+\r
+ o stream sequence number - this value is returned indicating\r
+ the stream sequence number that was associated with the message.\r
+\r
+ o partial flag - if this returned flag is set to 1, then this\r
+ message is a partial delivery of the whole message. When\r
+ this flag is set, the stream id and stream sequence number MUST\r
+ accompany this receive. When this flag is set to 0, it indicates\r
+ that no more deliveries will be received for this stream sequence\r
+ number.\r
+\r
+ o payload protocol-id - The 32 bit unsigned integer that was sent to\r
+ be sent to the peer indicating the type of payload protocol of the\r
+ received data.\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 110]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ O) Receive unacknowledged message\r
+\r
+ Format: RECEIVE_UNACKED(data retrieval id, buffer address, buffer size,\r
+ [,stream id] [, stream sequence number] [,partial flag]\r
+ [,payload protocol-id])\r
+\r
+ o data retrieval id - The identification passed to the ULP in the\r
+ failure notification.\r
+\r
+ o buffer address - the memory location indicated by the ULP to store\r
+ the received message.\r
+\r
+ o buffer size - the maximum size of data to be received, in bytes.\r
+\r
+ Optional attributes:\r
+\r
+ o stream id - this is a return value that is set to indicate which\r
+ stream the data was sent to.\r
+\r
+ o stream sequence number - this value is returned indicating the\r
+ stream sequence number that was associated with the message.\r
+\r
+ o partial flag - if this returned flag is set to 1, then this\r
+ message is a partial delivery of the whole message. When this\r
+ flag is set, the stream id and stream sequence number MUST\r
+ accompany this receive. When this flag is set to 0, it indicates\r
+ that no more deliveries will be received for this stream sequence\r
+ number.\r
+\r
+ o payload protocol-id - The 32 bit unsigned integer that was sent to\r
+ be sent to the peer indicating the type of payload protocol of the\r
+ received data.\r
+\r
+ P) Destroy SCTP instance\r
+\r
+ Format: DESTROY(local SCTP instance name)\r
+\r
+ o local SCTP instance name - this is the value that was passed to\r
+ the application in the initialize primitive and it indicates which\r
+ SCTP instance to be destroyed.\r
+\r
+10.2 SCTP-to-ULP\r
+\r
+ It is assumed that the operating system or application environment\r
+ provides a means for the SCTP to asynchronously signal the ULP\r
+ process. When SCTP does signal an ULP process, certain information\r
+ is passed to the ULP.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 111]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ IMPLEMENTATION NOTE: In some cases this may be done through a\r
+ separate socket or error channel.\r
+\r
+ A) DATA ARRIVE notification\r
+\r
+ SCTP shall invoke this notification on the ULP when a user message is\r
+ successfully received and ready for retrieval.\r
+\r
+ The following may be optionally be passed with the notification:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o stream id - to indicate which stream the data is received on.\r
+\r
+ B) SEND FAILURE notification\r
+\r
+ If a message can not be delivered SCTP shall invoke this notification\r
+ on the ULP.\r
+\r
+ The following may be optionally be passed with the notification:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o data retrieval id - an identification used to retrieve unsent and\r
+ unacknowledged data.\r
+\r
+ o cause code - indicating the reason of the failure, e.g., size too\r
+ large, message life-time expiration, etc.\r
+\r
+ o context - optional information associated with this message (see D\r
+ in Section 10.1).\r
+\r
+ C) NETWORK STATUS CHANGE notification\r
+\r
+ When a destination transport address is marked inactive (e.g., when\r
+ SCTP detects a failure), or marked active (e.g., when SCTP detects a\r
+ recovery), SCTP shall invoke this notification on the ULP.\r
+\r
+ The following shall be passed with the notification:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o destination transport address - This indicates the destination\r
+ transport address of the peer endpoint affected by the change;\r
+\r
+ o new-status - This indicates the new status.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 112]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ D) COMMUNICATION UP notification\r
+\r
+ This notification is used when SCTP becomes ready to send or receive\r
+ user messages, or when a lost communication to an endpoint is\r
+ restored.\r
+\r
+ IMPLEMENTATION NOTE: If ASSOCIATE primitive is implemented as a\r
+ blocking function call, the association parameters are returned as a\r
+ result of the ASSOCIATE primitive itself. In that case,\r
+ COMMUNICATION UP notification is optional at the association\r
+ initiator's side.\r
+\r
+ The following shall be passed with the notification:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o status - This indicates what type of event has occurred\r
+\r
+ o destination transport address list - the complete set of transport\r
+ addresses of the peer\r
+\r
+ o outbound stream count - the maximum number of streams allowed to\r
+ be used in this association by the ULP\r
+\r
+ o inbound stream count - the number of streams the peer endpoint has\r
+ requested with this association (this may not be the same number\r
+ as 'outbound stream count').\r
+\r
+ E) COMMUNICATION LOST notification\r
+\r
+ When SCTP loses communication to an endpoint completely (e.g., via\r
+ Heartbeats) or detects that the endpoint has performed an abort\r
+ operation, it shall invoke this notification on the ULP.\r
+\r
+ The following shall be passed with the notification:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o status - This indicates what type of event has occurred; The status\r
+ may indicate a failure OR a normal termination event\r
+ occurred in response to a shutdown or abort request.\r
+\r
+ The following may be passed with the notification:\r
+\r
+ o data retrieval id - an identification used to retrieve unsent and\r
+ unacknowledged data.\r
+\r
+ o last-acked - the TSN last acked by that peer endpoint;\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 113]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ o last-sent - the TSN last sent to that peer endpoint;\r
+\r
+ F) COMMUNICATION ERROR notification\r
+\r
+ When SCTP receives an ERROR chunk from its peer and decides to notify\r
+ its ULP, it can invoke this notification on the ULP.\r
+\r
+ The following can be passed with the notification:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ o error info - this indicates the type of error and optionally some\r
+ additional information received through the ERROR chunk.\r
+\r
+ G) RESTART notification\r
+\r
+ When SCTP detects that the peer has restarted, it may send this\r
+ notification to its ULP.\r
+\r
+ The following can be passed with the notification:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+ H) SHUTDOWN COMPLETE notification\r
+\r
+ When SCTP completes the shutdown procedures (section 9.2) this\r
+ notification is passed to the upper layer.\r
+\r
+ The following can be passed with the notification:\r
+\r
+ o association id - local handle to the SCTP association\r
+\r
+11. Security Considerations\r
+\r
+11.1 Security Objectives\r
+\r
+ As a common transport protocol designed to reliably carry time-\r
+ sensitive user messages, such as billing or signaling messages for\r
+ telephony services, between two networked endpoints, SCTP has the\r
+ following security objectives.\r
+\r
+ - availability of reliable and timely data transport services\r
+ - integrity of the user-to-user information carried by SCTP\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 114]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+11.2 SCTP Responses To Potential Threats\r
+\r
+ SCTP may potentially be used in a wide variety of risk situations.\r
+ It is important for operator(s) of systems running SCTP to analyze\r
+ their particular situations and decide on the appropriate counter-\r
+ measures.\r
+\r
+ Operators of systems running SCTP should consult [RFC2196] for\r
+ guidance in securing their site.\r
+\r
+11.2.1 Countering Insider Attacks\r
+\r
+ The principles of [RFC2196] should be applied to minimize the risk of\r
+ theft of information or sabotage by insiders. Such procedures\r
+ include publication of security policies, control of access at the\r
+ physical, software, and network levels, and separation of services.\r
+\r
+11.2.2 Protecting against Data Corruption in the Network\r
+\r
+ Where the risk of undetected errors in datagrams delivered by the\r
+ lower layer transport services is considered to be too great,\r
+ additional integrity protection is required. If this additional\r
+ protection were provided in the application-layer, the SCTP header\r
+ would remain vulnerable to deliberate integrity attacks. While the\r
+ existing SCTP mechanisms for detection of packet replays are\r
+ considered sufficient for normal operation, stronger protections are\r
+ needed to protect SCTP when the operating environment contains\r
+ significant risk of deliberate attacks from a sophisticated\r
+ adversary.\r
+\r
+ In order to promote software code-reuse, to avoid re-inventing the\r
+ wheel, and to avoid gratuitous complexity to SCTP, the IP\r
+ Authentication Header [RFC2402] SHOULD be used when the threat\r
+ environment requires stronger integrity protections, but does not\r
+ require confidentiality.\r
+\r
+ A widely implemented BSD Sockets API extension exists for\r
+ applications to request IP security services, such as AH or ESP from\r
+ an operating system kernel. Applications can use such an API to\r
+ request AH whenever AH use is appropriate.\r
+\r
+11.2.3 Protecting Confidentiality\r
+\r
+ In most cases, the risk of breach of confidentiality applies to the\r
+ signaling data payload, not to the SCTP or lower-layer protocol\r
+ overheads. If that is true, encryption of the SCTP user data only\r
+ might be considered. As with the supplementary checksum service,\r
+ user data encryption MAY be performed by the SCTP user application.\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 115]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Alternately, the user application MAY use an implementation-specific\r
+ API to request that the IP Encapsulating Security Payload (ESP)\r
+ [RFC2406] be used to provide confidentiality and integrity.\r
+\r
+ Particularly for mobile users, the requirement for confidentiality\r
+ might include the masking of IP addresses and ports. In this case\r
+ ESP SHOULD be used instead of application-level confidentiality. If\r
+ ESP is used to protect confidentiality of SCTP traffic, an ESP\r
+ cryptographic transform that includes cryptographic integrity\r
+ protection MUST be used, because if there is a confidentiality threat\r
+ there will also be a strong integrity threat.\r
+\r
+ Whenever ESP is in use, application-level encryption is not generally\r
+ required.\r
+\r
+ Regardless of where confidentiality is provided, the ISAKMP [RFC2408]\r
+ and the Internet Key Exchange (IKE) [RFC2409] SHOULD be used for key\r
+ management.\r
+\r
+ Operators should consult [RFC2401] for more information on the\r
+ security services available at and immediately above the Internet\r
+ Protocol layer.\r
+\r
+11.2.4 Protecting against Blind Denial of Service Attacks\r
+\r
+ A blind attack is one where the attacker is unable to intercept or\r
+ otherwise see the content of data flows passing to and from the\r
+ target SCTP node. Blind denial of service attacks may take the form\r
+ of flooding, masquerade, or improper monopolization of services.\r
+\r
+11.2.4.1 Flooding\r
+\r
+ The objective of flooding is to cause loss of service and incorrect\r
+ behavior at target systems through resource exhaustion, interference\r
+ with legitimate transactions, and exploitation of buffer-related\r
+ software bugs. Flooding may be directed either at the SCTP node or\r
+ at resources in the intervening IP Access Links or the Internet.\r
+ Where the latter entities are the target, flooding will manifest\r
+ itself as loss of network services, including potentially the breach\r
+ of any firewalls in place.\r
+\r
+ In general, protection against flooding begins at the equipment\r
+ design level, where it includes measures such as:\r
+\r
+ - avoiding commitment of limited resources before determining that\r
+ the request for service is legitimate\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 116]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ - giving priority to completion of processing in progress over the\r
+ acceptance of new work\r
+\r
+ - identification and removal of duplicate or stale queued requests\r
+ for service.\r
+\r
+ - not responding to unexpected packets sent to non-unicast\r
+ addresses.\r
+\r
+ Network equipment should be capable of generating an alarm and log if\r
+ a suspicious increase in traffic occurs. The log should provide\r
+ information such as the identity of the incoming link and source\r
+ address(es) used which will help the network or SCTP system operator\r
+ to take protective measures. Procedures should be in place for the\r
+ operator to act on such alarms if a clear pattern of abuse emerges.\r
+\r
+ The design of SCTP is resistant to flooding attacks, particularly in\r
+ its use of a four-way start-up handshake, its use of a cookie to\r
+ defer commitment of resources at the responding SCTP node until the\r
+ handshake is completed, and its use of a Verification Tag to prevent\r
+ insertion of extraneous packets into the flow of an established\r
+ association.\r
+\r
+ The IP Authentication Header and Encapsulating Security Payload might\r
+ be useful in reducing the risk of certain kinds of denial of service\r
+ attacks."\r
+\r
+ The use of the Host Name feature in the INIT chunk could be used to\r
+ flood a target DNS server. A large backlog of DNS queries, resolving\r
+ the Host Name received in the INIT chunk to IP addresses, could be\r
+ accomplished by sending INIT's to multiple hosts in a given domain.\r
+ In addition, an attacker could use the Host Name feature in an\r
+ indirect attack on a third party by sending large numbers of INITs to\r
+ random hosts containing the host name of the target. In addition to\r
+ the strain on DNS resources, this could also result in large numbers\r
+ of INIT ACKs being sent to the target. One method to protect against\r
+ this type of attack is to verify that the IP addresses received from\r
+ DNS include the source IP address of the original INIT. If the list\r
+ of IP addresses received from DNS does not include the source IP\r
+ address of the INIT, the endpoint MAY silently discard the INIT.\r
+ This last option will not protect against the attack against the DNS.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 117]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+11.2.4.2 Blind Masquerade\r
+\r
+ Masquerade can be used to deny service in several ways:\r
+\r
+ - by tying up resources at the target SCTP node to which the\r
+ impersonated node has limited access. For example, the target\r
+ node may by policy permit a maximum of one SCTP association with\r
+ the impersonated SCTP node. The masquerading attacker may attempt\r
+ to establish an association purporting to come from the\r
+ impersonated node so that the latter cannot do so when it requires\r
+ it.\r
+\r
+ - by deliberately allowing the impersonation to be detected, thereby\r
+ provoking counter-measures which cause the impersonated node to be\r
+ locked out of the target SCTP node.\r
+\r
+ - by interfering with an established association by inserting\r
+ extraneous content such as a SHUTDOWN request.\r
+\r
+ SCTP reduces the risk of blind masquerade attacks through IP spoofing\r
+ by use of the four-way startup handshake. Man-in-the-middle\r
+ masquerade attacks are discussed in Section 11.3 below. Because the\r
+ initial exchange is memoryless, no lockout mechanism is triggered by\r
+ blind masquerade attacks. In addition, the INIT ACK containing the\r
+ State Cookie is transmitted back to the IP address from which it\r
+ received the INIT. Thus the attacker would not receive the INIT ACK\r
+ containing the State Cookie. SCTP protects against insertion of\r
+ extraneous packets into the flow of an established association by use\r
+ of the Verification Tag.\r
+\r
+ Logging of received INIT requests and abnormalities such as\r
+ unexpected INIT ACKs might be considered as a way to detect patterns\r
+ of hostile activity. However, the potential usefulness of such\r
+ logging must be weighed against the increased SCTP startup processing\r
+ it implies, rendering the SCTP node more vulnerable to flooding\r
+ attacks. Logging is pointless without the establishment of operating\r
+ procedures to review and analyze the logs on a routine basis.\r
+\r
+11.2.4.3 Improper Monopolization of Services\r
+\r
+ Attacks under this heading are performed openly and legitimately by\r
+ the attacker. They are directed against fellow users of the target\r
+ SCTP node or of the shared resources between the attacker and the\r
+ target node. Possible attacks include the opening of a large number\r
+ of associations between the attacker's node and the target, or\r
+ transfer of large volumes of information within a legitimately-\r
+ established association.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 118]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Policy limits should be placed on the number of associations per\r
+ adjoining SCTP node. SCTP user applications should be capable of\r
+ detecting large volumes of illegitimate or "no-op" messages within a\r
+ given association and either logging or terminating the association\r
+ as a result, based on local policy.\r
+\r
+11.3 Protection against Fraud and Repudiation\r
+\r
+ The objective of fraud is to obtain services without authorization\r
+ and specifically without paying for them. In order to achieve this\r
+ objective, the attacker must induce the SCTP user application at the\r
+ target SCTP node to provide the desired service while accepting\r
+ invalid billing data or failing to collect it. Repudiation is a\r
+ related problem, since it may occur as a deliberate act of fraud or\r
+ simply because the repudiating party kept inadequate records of\r
+ service received.\r
+\r
+ Potential fraudulent attacks include interception and misuse of\r
+ authorizing information such as credit card numbers, blind masquerade\r
+ and replay, and man-in-the middle attacks which modify the packets\r
+ passing through a target SCTP association in real time.\r
+\r
+ The interception attack is countered by the confidentiality measures\r
+ discussed in Section 11.2.3 above.\r
+\r
+ Section 11.2.4.2 describes how SCTP is resistant to blind masquerade\r
+ attacks, as a result of the four-way startup handshake and the\r
+ Verification Tag. The Verification Tag and TSN together are\r
+ protections against blind replay attacks, where the replay is into an\r
+ existing association.\r
+\r
+ However, SCTP does not protect against man-in-the-middle attacks\r
+ where the attacker is able to intercept and alter the packets sent\r
+ and received in an association. For example, the INIT ACK will have\r
+ sufficient information sent on the wire for an adversary in the\r
+ middle to hijack an existing SCTP association. Where a significant\r
+ possibility of such attacks is seen to exist, or where possible\r
+ repudiation is an issue, the use of the IPSEC AH service is\r
+ recommended to ensure both the integrity and the authenticity of the\r
+ SCTP packets passed.\r
+\r
+ SCTP also provides no protection against attacks originating at or\r
+ beyond the SCTP node and taking place within the context of an\r
+ existing association. Prevention of such attacks should be covered\r
+ by appropriate security policies at the host site, as discussed in\r
+ Section 11.2.1.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 119]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+12. Recommended Transmission Control Block (TCB) Parameters\r
+\r
+ This section details a recommended set of parameters that should be\r
+ contained within the TCB for an implementation. This section is for\r
+ illustrative purposes and should not be deemed as requirements on an\r
+ implementation or as an exhaustive list of all parameters inside an\r
+ SCTP TCB. Each implementation may need its own additional parameters\r
+ for optimization.\r
+\r
+12.1 Parameters necessary for the SCTP instance\r
+\r
+ Associations: A list of current associations and mappings to the data\r
+ consumers for each association. This may be in the\r
+ form of a hash table or other implementation dependent\r
+ structure. The data consumers may be process\r
+ identification information such as file descriptors,\r
+ named pipe pointer, or table pointers dependent on how\r
+ SCTP is implemented.\r
+\r
+ Secret Key: A secret key used by this endpoint to compute the MAC.\r
+ This SHOULD be a cryptographic quality random number\r
+ with a sufficient length. Discussion in [RFC1750] can\r
+ be helpful in selection of the key.\r
+\r
+ Address List: The list of IP addresses that this instance has bound.\r
+ This information is passed to one's peer(s) in INIT and\r
+ INIT ACK chunks.\r
+\r
+ SCTP Port: The local SCTP port number the endpoint is bound to.\r
+\r
+12.2 Parameters necessary per association (i.e. the TCB)\r
+\r
+ Peer : Tag value to be sent in every packet and is received\r
+ Verification: in the INIT or INIT ACK chunk.\r
+ Tag :\r
+\r
+ My : Tag expected in every inbound packet and sent in the\r
+ Verification: INIT or INIT ACK chunk.\r
+ Tag :\r
+\r
+ State : A state variable indicating what state the association\r
+ : is in, i.e. COOKIE-WAIT, COOKIE-ECHOED, ESTABLISHED,\r
+ : SHUTDOWN-PENDING, SHUTDOWN-SENT, SHUTDOWN-RECEIVED,\r
+ : SHUTDOWN-ACK-SENT.\r
+\r
+ Note: No "CLOSED" state is illustrated since if a\r
+ association is "CLOSED" its TCB SHOULD be removed.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 120]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Peer : A list of SCTP transport addresses that the peer is\r
+ Transport : bound to. This information is derived from the INIT or\r
+ Address : INIT ACK and is used to associate an inbound packet\r
+ List : with a given association. Normally this information is\r
+ : hashed or keyed for quick lookup and access of the TCB.\r
+\r
+ Primary : This is the current primary destination transport\r
+ Path : address of the peer endpoint. It may also specify a\r
+ : source transport address on this endpoint.\r
+\r
+ Overall : The overall association error count.\r
+ Error Count :\r
+\r
+ Overall : The threshold for this association that if the Overall\r
+ Error : Error Count reaches will cause this association to be\r
+ Threshold : torn down.\r
+\r
+ Peer Rwnd : Current calculated value of the peer's rwnd.\r
+\r
+ Next TSN : The next TSN number to be assigned to a new DATA chunk.\r
+ : This is sent in the INIT or INIT ACK chunk to the peer\r
+ : and incremented each time a DATA chunk is assigned a\r
+ : TSN (normally just prior to transmit or during\r
+ : fragmentation).\r
+\r
+ Last Rcvd : This is the last TSN received in sequence. This value\r
+ TSN : is set initially by taking the peer's Initial TSN,\r
+ : received in the INIT or INIT ACK chunk, and\r
+ : subtracting one from it.\r
+\r
+ Mapping : An array of bits or bytes indicating which out of\r
+ Array : order TSN's have been received (relative to the\r
+ : Last Rcvd TSN). If no gaps exist, i.e. no out of order\r
+ : packets have been received, this array will be set to\r
+ : all zero. This structure may be in the form of a\r
+ : circular buffer or bit array.\r
+\r
+ Ack State : This flag indicates if the next received packet\r
+ : is to be responded to with a SACK. This is initialized\r
+ : to 0. When a packet is received it is incremented.\r
+ : If this value reaches 2 or more, a SACK is sent and the\r
+ : value is reset to 0. Note: This is used only when no\r
+ : DATA chunks are received out of order. When DATA chunks\r
+ : are out of order, SACK's are not delayed (see Section\r
+ : 6).\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 121]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Inbound : An array of structures to track the inbound streams.\r
+ Streams : Normally including the next sequence number expected\r
+ : and possibly the stream number.\r
+\r
+ Outbound : An array of structures to track the outbound streams.\r
+ Streams : Normally including the next sequence number to\r
+ : be sent on the stream.\r
+\r
+ Reasm Queue : A re-assembly queue.\r
+\r
+ Local : The list of local IP addresses bound in to this\r
+ Transport : association.\r
+ Address :\r
+ List :\r
+\r
+ Association : The smallest PMTU discovered for all of the\r
+ PMTU : peer's transport addresses.\r
+\r
+12.3 Per Transport Address Data\r
+\r
+ For each destination transport address in the peer's address list\r
+ derived from the INIT or INIT ACK chunk, a number of data elements\r
+ needs to be maintained including:\r
+\r
+ Error count : The current error count for this destination.\r
+\r
+ Error : Current error threshold for this destination i.e.\r
+ Threshold : what value marks the destination down if Error count\r
+ : reaches this value.\r
+\r
+ cwnd : The current congestion window.\r
+\r
+ ssthresh : The current ssthresh value.\r
+\r
+ RTO : The current retransmission timeout value.\r
+\r
+ SRTT : The current smoothed round trip time.\r
+\r
+ RTTVAR : The current RTT variation.\r
+\r
+ partial : The tracking method for increase of cwnd when in\r
+ bytes acked : congestion avoidance mode (see Section 6.2.2)\r
+\r
+ state : The current state of this destination, i.e. DOWN, UP,\r
+ : ALLOW-HB, NO-HEARTBEAT, etc.\r
+\r
+ PMTU : The current known path MTU.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 122]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Per : A timer used by each destination.\r
+ Destination :\r
+ Timer :\r
+\r
+ RTO-Pending : A flag used to track if one of the DATA chunks sent to\r
+ this address is currently being used to compute a\r
+ RTT. If this flag is 0, the next DATA chunk sent to this\r
+ destination should be used to compute a RTT and this\r
+ flag should be set. Every time the RTT calculation\r
+ completes (i.e. the DATA chunk is SACK'd) clear this\r
+ flag.\r
+\r
+ last-time : The time this destination was last sent to. This can be\r
+ used : used to determine if a HEARTBEAT is needed.\r
+\r
+12.4 General Parameters Needed\r
+\r
+ Out Queue : A queue of outbound DATA chunks.\r
+\r
+ In Queue : A queue of inbound DATA chunks.\r
+\r
+13. IANA Considerations\r
+\r
+ This protocol will require port reservation like TCP for the use of\r
+ "well known" servers within the Internet. All current TCP ports\r
+ shall be automatically reserved in the SCTP port address space. New\r
+ requests should follow IANA's current mechanisms for TCP.\r
+\r
+ This protocol may also be extended through IANA in three ways:\r
+\r
+ -- through definition of additional chunk types,\r
+ -- through definition of additional parameter types, or\r
+ -- through definition of additional cause codes within\r
+ ERROR chunks\r
+\r
+ In the case where a particular ULP using SCTP desires to have its own\r
+ ports, the ULP should be responsible for registering with IANA for\r
+ getting its ports assigned.\r
+\r
+13.1 IETF-defined Chunk Extension\r
+\r
+ The definition and use of new chunk types is an integral part of\r
+ SCTP. Thus, new chunk types are assigned by IANA through an IETF\r
+ Consensus action as defined in [RFC2434].\r
+\r
+ The documentation for a new chunk code type must include the\r
+ following information:\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 123]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ a) A long and short name for the new chunk type;\r
+\r
+ b) A detailed description of the structure of the chunk, which MUST\r
+ conform to the basic structure defined in Section 3.2;\r
+\r
+ c) A detailed definition and description of intended use of each\r
+ field within the chunk, including the chunk flags if any;\r
+\r
+ d) A detailed procedural description of the use of the new chunk type\r
+ within the operation of the protocol.\r
+\r
+ The last chunk type (255) is reserved for future extension if\r
+ necessary.\r
+\r
+13.2 IETF-defined Chunk Parameter Extension\r
+\r
+ The assignment of new chunk parameter type codes is done through an\r
+ IETF Consensus action as defined in [RFC2434]. Documentation of the\r
+ chunk parameter MUST contain the following information:\r
+\r
+ a) Name of the parameter type.\r
+\r
+ b) Detailed description of the structure of the parameter field.\r
+ This structure MUST conform to the general type-length-value\r
+ format described in Section 3.2.1.\r
+\r
+ c) Detailed definition of each component of the parameter value.\r
+\r
+ d) Detailed description of the intended use of this parameter type,\r
+ and an indication of whether and under what circumstances multiple\r
+ instances of this parameter type may be found within the same\r
+ chunk.\r
+\r
+13.3 IETF-defined Additional Error Causes\r
+\r
+ Additional cause codes may be allocated in the range 11 to 65535\r
+ through a Specification Required action as defined in [RFC2434].\r
+ Provided documentation must include the following information:\r
+\r
+ a) Name of the error condition.\r
+\r
+ b) Detailed description of the conditions under which an SCTP\r
+ endpoint should issue an ERROR (or ABORT) with this cause code.\r
+\r
+ c) Expected action by the SCTP endpoint which receives an ERROR (or\r
+ ABORT) chunk containing this cause code.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 124]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ d) Detailed description of the structure and content of data fields\r
+ which accompany this cause code.\r
+\r
+ The initial word (32 bits) of a cause code parameter MUST conform to\r
+ the format shown in Section 3.3.10, i.e.:\r
+\r
+ -- first two bytes contain the cause code value\r
+ -- last two bytes contain length of the Cause Parameter.\r
+\r
+13.4 Payload Protocol Identifiers\r
+\r
+ Except for value 0 which is reserved by SCTP to indicate an\r
+ unspecified payload protocol identifier in a DATA chunk, SCTP will\r
+ not be responsible for standardizing or verifying any payload\r
+ protocol identifiers; SCTP simply receives the identifier from the\r
+ upper layer and carries it with the corresponding payload data.\r
+\r
+ The upper layer, i.e., the SCTP user, SHOULD standardize any specific\r
+ protocol identifier with IANA if it is so desired. The use of any\r
+ specific payload protocol identifier is out of the scope of SCTP.\r
+\r
+14. Suggested SCTP Protocol Parameter Values\r
+\r
+ The following protocol parameters are RECOMMENDED:\r
+\r
+ RTO.Initial - 3 seconds\r
+ RTO.Min - 1 second\r
+ RTO.Max - 60 seconds\r
+ RTO.Alpha - 1/8\r
+ RTO.Beta - 1/4\r
+ Valid.Cookie.Life - 60 seconds\r
+ Association.Max.Retrans - 10 attempts\r
+ Path.Max.Retrans - 5 attempts (per destination address)\r
+ Max.Init.Retransmits - 8 attempts\r
+ HB.interval - 30 seconds\r
+\r
+ IMPLEMENTATION NOTE: The SCTP implementation may allow ULP to\r
+ customize some of these protocol parameters (see Section 10).\r
+\r
+ Note: RTO.Min SHOULD be set as recommended above.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 125]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+15. Acknowledgements\r
+\r
+ The authors wish to thank Mark Allman, R.J. Atkinson, Richard Band,\r
+ Scott Bradner, Steve Bellovin, Peter Butler, Ram Dantu, R.\r
+ Ezhirpavai, Mike Fisk, Sally Floyd, Atsushi Fukumoto, Matt Holdrege,\r
+ Henry Houh, Christian Huitema, Gary Lehecka, Jonathan Lee, David\r
+ Lehmann, John Loughney, Daniel Luan, Barry Nagelberg, Thomas Narten,\r
+ Erik Nordmark, Lyndon Ong, Shyamal Prasad, Kelvin Porter, Heinz\r
+ Prantner, Jarno Rajahalme, Raymond E. Reeves, Renee Revis, Ivan Arias\r
+ Rodriguez, A. Sankar, Greg Sidebottom, Brian Wyld, La Monte Yarroll,\r
+ and many others for their invaluable comments.\r
+\r
+16. Authors' Addresses\r
+\r
+ Randall R. Stewart\r
+ 24 Burning Bush Trail.\r
+ Crystal Lake, IL 60012\r
+ USA\r
+\r
+ Phone: +1-815-477-2127\r
+ EMail: rrs@cisco.com\r
+\r
+\r
+ Qiaobing Xie\r
+ Motorola, Inc.\r
+ 1501 W. Shure Drive, #2309\r
+ Arlington Heights, IL 60004\r
+ USA\r
+\r
+ Phone: +1-847-632-3028\r
+ EMail: qxie1@email.mot.com\r
+\r
+\r
+ Ken Morneault\r
+ Cisco Systems Inc.\r
+ 13615 Dulles Technology Drive\r
+ Herndon, VA. 20171\r
+ USA\r
+\r
+ Phone: +1-703-484-3323\r
+ EMail: kmorneau@cisco.com\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 126]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Chip Sharp\r
+ Cisco Systems Inc.\r
+ 7025 Kit Creek Road\r
+ Research Triangle Park, NC 27709\r
+ USA\r
+\r
+ Phone: +1-919-392-3121\r
+ EMail: chsharp@cisco.com\r
+\r
+\r
+ Hanns Juergen Schwarzbauer\r
+ SIEMENS AG\r
+ Hofmannstr. 51\r
+ 81359 Munich\r
+ Germany\r
+\r
+ Phone: +49-89-722-24236\r
+ EMail: HannsJuergen.Schwarzbauer@icn.siemens.de\r
+\r
+\r
+ Tom Taylor\r
+ Nortel Networks\r
+ 1852 Lorraine Ave.\r
+ Ottawa, Ontario\r
+ Canada K1H 6Z8\r
+\r
+ Phone: +1-613-736-0961\r
+ EMail: taylor@nortelnetworks.com\r
+\r
+\r
+ Ian Rytina\r
+ Ericsson Australia\r
+ 37/360 Elizabeth Street\r
+ Melbourne, Victoria 3000\r
+ Australia\r
+\r
+ Phone: +61-3-9301-6164\r
+ EMail: ian.rytina@ericsson.com\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 127]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ Malleswar Kalla\r
+ Telcordia Technologies\r
+ 3 Corporate Place\r
+ PYA-2J-341\r
+ Piscataway, NJ 08854\r
+ USA\r
+\r
+ Phone: +1-732-699-3728\r
+ EMail: mkalla@telcordia.com\r
+\r
+ Lixia Zhang\r
+ UCLA Computer Science Department\r
+ 4531G Boelter Hall\r
+ Los Angeles, CA 90095-1596\r
+ USA\r
+\r
+ Phone: +1-310-825-2695\r
+ EMail: lixia@cs.ucla.edu\r
+\r
+ Vern Paxson\r
+ ACIRI\r
+ 1947 Center St., Suite 600,\r
+ Berkeley, CA 94704-1198\r
+ USA\r
+\r
+ Phone: +1-510-666-2882\r
+ EMail: vern@aciri.org\r
+\r
+17. References\r
+\r
+ [RFC768] Postel, J. (ed.), "User Datagram Protocol", STD 6, RFC\r
+ 768, August 1980.\r
+\r
+ [RFC793] Postel, J. (ed.), "Transmission Control Protocol", STD 7,\r
+ RFC 793, September 1981.\r
+\r
+ [RFC1123] Braden, R., "Requirements for Internet hosts - application\r
+ and support", STD 3, RFC 1123, October 1989.\r
+\r
+ [RFC1191] Mogul, J. and S. Deering, "Path MTU Discovery", RFC 1191,\r
+ November 1990.\r
+\r
+ [RFC1700] Reynolds, J. and J. Postel, "Assigned Numbers", STD 2, RFC\r
+ 1700, October 1994.\r
+\r
+ [RFC1981] McCann, J., Deering, S. and J. Mogul, "Path MTU Discovery\r
+ for IP version 6", RFC 1981, August 1996.\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 128]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ [RFC1982] Elz, R. and R. Bush, "Serial Number Arithmetic", RFC 1982,\r
+ August 1996.\r
+\r
+ [RFC2026] Bradner, S., "The Internet Standards Process -- Revision\r
+ 3", BCP 9, RFC 2026, October 1996.\r
+\r
+ [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate\r
+ Requirement Levels", BCP 14, RFC 2119, March 1997.\r
+\r
+ [RFC2401] Kent, S. and R. Atkinson, "Security Architecture for the\r
+ Internet Protocol", RFC 2401, November 1998.\r
+\r
+ [RFC2402] Kent, S. and R. Atkinson, "IP Authentication Header", RFC\r
+ 2402, November 1998.\r
+\r
+ [RFC2406] Kent, S. and R. Atkinson, "IP Encapsulating Security\r
+ Payload (ESP)", RFC 2406, November 1998.\r
+\r
+ [RFC2408] Maughan, D., Schertler, M., Schneider, M. and J. Turner,\r
+ "Internet Security Association and Key Management\r
+ Protocol", RFC 2408, November 1998.\r
+\r
+ [RFC2409] Harkins, D. and D. Carrel, "The Internet Key Exchange\r
+ (IKE)", RFC 2409, November 1998.\r
+\r
+ [RFC2434] Narten, T. and H. Alvestrand, "Guidelines for Writing an\r
+ IANA Considerations Section in RFCs", BCP 26, RFC 2434,\r
+ October 1998.\r
+\r
+ [RFC2460] Deering, S. and R. Hinden, "Internet Protocol, Version 6\r
+ (IPv6) Specification", RFC 2460, December 1998.\r
+\r
+ [RFC2581] Allman, M., Paxson, V. and W. Stevens, "TCP Congestion\r
+ Control", RFC 2581, April 1999.\r
+\r
+18. Bibliography\r
+\r
+ [ALLMAN99] Allman, M. and Paxson, V., "On Estimating End-to-End\r
+ Network Path Properties", Proc. SIGCOMM'99, 1999.\r
+\r
+ [FALL96] Fall, K. and Floyd, S., Simulation-based Comparisons of\r
+ Tahoe, Reno, and SACK TCP, Computer Communications Review,\r
+ V. 26 N. 3, July 1996, pp. 5-21.\r
+\r
+ [RFC1750] Eastlake, D. (ed.), "Randomness Recommendations for\r
+ Security", RFC 1750, December 1994.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 129]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ [RFC1950] Deutsch P. and J. Gailly, "ZLIB Compressed Data Format\r
+ Specification version 3.3", RFC 1950, May 1996.\r
+\r
+ [RFC2104] Krawczyk, H., Bellare, M. and R. Canetti, "HMAC: Keyed-\r
+ Hashing for Message Authentication", RFC 2104, March 1997.\r
+\r
+ [RFC2196] Fraser, B., "Site Security Handbook", FYI 8, RFC 2196,\r
+ September 1997.\r
+\r
+ [RFC2522] Karn, P. and W. Simpson, "Photuris: Session-Key Management\r
+ Protocol", RFC 2522, March 1999.\r
+\r
+ [SAVAGE99] Savage, S., Cardwell, N., Wetherall, D., and Anderson, T.,\r
+ "TCP Congestion Control with a Misbehaving Receiver", ACM\r
+ Computer Communication Review, 29(5), October 1999.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 130]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+Appendix A: Explicit Congestion Notification\r
+\r
+ ECN (Ramakrishnan, K., Floyd, S., "Explicit Congestion Notification",\r
+ RFC 2481, January 1999) describes a proposed extension to IP that\r
+ details a method to become aware of congestion outside of datagram\r
+ loss. This is an optional feature that an implementation MAY choose\r
+ to add to SCTP. This appendix details the minor differences\r
+ implementers will need to be aware of if they choose to implement\r
+ this feature. In general RFC 2481 should be followed with the\r
+ following exceptions.\r
+\r
+ Negotiation:\r
+\r
+ RFC2481 details negotiation of ECN during the SYN and SYN-ACK stages\r
+ of a TCP connection. The sender of the SYN sets two bits in the TCP\r
+ flags, and the sender of the SYN-ACK sets only 1 bit. The reasoning\r
+ behind this is to assure both sides are truly ECN capable. For SCTP\r
+ this is not necessary. To indicate that an endpoint is ECN capable\r
+ an endpoint SHOULD add to the INIT and or INIT ACK chunk the TLV\r
+ reserved for ECN. This TLV contains no parameters, and thus has the\r
+ following format:\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Parameter Type = 32768 | Parameter Length = 4 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ ECN-Echo:\r
+\r
+ RFC 2481 details a specific bit for a receiver to send back in its\r
+ TCP acknowledgements to notify the sender of the Congestion\r
+ Experienced (CE) bit having arrived from the network. For SCTP this\r
+ same indication is made by including the ECNE chunk. This chunk\r
+ contains one data element, i.e. the lowest TSN associated with the IP\r
+ datagram marked with the CE bit, and looks as follows:\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Chunk Type=12 | Flags=00000000| Chunk Length = 8 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Lowest TSN Number |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Note: The ECNE is considered a Control chunk.\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 131]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ CWR:\r
+\r
+ RFC 2481 details a specific bit for a sender to send in the header of\r
+ its next outbound TCP segment to indicate to its peer that it has\r
+ reduced its congestion window. This is termed the CWR bit. For\r
+ SCTP the same indication is made by including the CWR chunk.\r
+ This chunk contains one data element, i.e. the TSN number that\r
+ was sent in the ECNE chunk. This element represents the lowest\r
+ TSN number in the datagram that was originally marked with the\r
+ CE bit.\r
+\r
+ 0 1 2 3\r
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Chunk Type=13 | Flags=00000000| Chunk Length = 8 |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+ | Lowest TSN Number |\r
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\r
+\r
+ Note: The CWR is considered a Control chunk.\r
+\r
+Appendix B Alder 32 bit checksum calculation\r
+\r
+ The Adler-32 checksum calculation given in this appendix is copied from\r
+ [RFC1950].\r
+\r
+ Adler-32 is composed of two sums accumulated per byte: s1 is the sum\r
+ of all bytes, s2 is the sum of all s1 values. Both sums are done\r
+ modulo 65521. s1 is initialized to 1, s2 to zero. The Adler-32\r
+ checksum is stored as s2*65536 + s1 in network byte order.\r
+\r
+ The following C code computes the Adler-32 checksum of a data buffer.\r
+ It is written for clarity, not for speed. The sample code is in the\r
+ ANSI C programming language. Non C users may find it easier to read\r
+ with these hints:\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 132]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+ & Bitwise AND operator.\r
+ >> Bitwise right shift operator. When applied to an\r
+ unsigned quantity, as here, right shift inserts zero bit(s)\r
+ at the left.\r
+ << Bitwise left shift operator. Left shift inserts zero\r
+ bit(s) at the right.\r
+ ++ "n++" increments the variable n.\r
+ % modulo operator: a % b is the remainder of a divided by b.\r
+ #define BASE 65521 /* largest prime smaller than 65536 */\r
+ /*\r
+ Update a running Adler-32 checksum with the bytes buf[0..len-1]\r
+ and return the updated checksum. The Adler-32 checksum should be\r
+ initialized to 1.\r
+\r
+ Usage example:\r
+\r
+ unsigned long adler = 1L;\r
+\r
+ while (read_buffer(buffer, length) != EOF) {\r
+ adler = update_adler32(adler, buffer, length);\r
+ }\r
+ if (adler != original_adler) error();\r
+ */\r
+ unsigned long update_adler32(unsigned long adler,\r
+ unsigned char *buf, int len)\r
+ {\r
+ unsigned long s1 = adler & 0xffff;\r
+ unsigned long s2 = (adler >> 16) & 0xffff;\r
+ int n;\r
+\r
+ for (n = 0; n < len; n++) {\r
+ s1 = (s1 + buf[n]) % BASE;\r
+ s2 = (s2 + s1) % BASE;\r
+ }\r
+ return (s2 << 16) + s1;\r
+ }\r
+\r
+ /* Return the adler32 of the bytes buf[0..len-1] */\r
+ unsigned long adler32(unsigned char *buf, int len)\r
+ {\r
+ return update_adler32(1L, buf, len);\r
+ }\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 133]\r
+\f\r
+RFC 2960 Stream Control Transmission Protocol October 2000\r
+\r
+\r
+Full Copyright Statement\r
+\r
+ Copyright (C) The Internet Society (2000). All Rights Reserved.\r
+\r
+ This document and translations of it may be copied and furnished to\r
+ others, and derivative works that comment on or otherwise explain it\r
+ or assist in its implementation may be prepared, copied, published\r
+ and distributed, in whole or in part, without restriction of any\r
+ kind, provided that the above copyright notice and this paragraph are\r
+ included on all such copies and derivative works. However, this\r
+ document itself may not be modified in any way, such as by removing\r
+ the copyright notice or references to the Internet Society or other\r
+ Internet organizations, except as needed for the purpose of\r
+ developing Internet standards in which case the procedures for\r
+ copyrights defined in the Internet Standards process must be\r
+ followed, or as required to translate it into languages other than\r
+ English.\r
+\r
+ The limited permissions granted above are perpetual and will not be\r
+ revoked by the Internet Society or its successors or assigns.\r
+\r
+ This document and the information contained herein is provided on an\r
+ "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING\r
+ TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING\r
+ BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION\r
+ HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF\r
+ MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.\r
+\r
+Acknowledgement\r
+\r
+ Funding for the RFC Editor function is currently provided by the\r
+ Internet Society.\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+Stewart, et al. Standards Track [Page 134]\r
+\f\r
--- /dev/null
+
+
+
+
+
+
+Network Working Group L. Coene
+Request for Comments: 3257 Siemens
+Category: Informational April 2002
+
+
+ Stream Control Transmission Protocol Applicability Statement
+
+Status of this Memo
+
+ This memo provides information for the Internet community. It does
+ not specify an Internet standard of any kind. Distribution of this
+ memo is unlimited.
+
+Copyright Notice
+
+ Copyright (C) The Internet Society (2002). All Rights Reserved.
+
+Abstract
+
+ This document describes the applicability of the Stream Control
+ Transmission Protocol (SCTP). It also contrasts SCTP with the two
+ dominant transport protocols, User Datagram Protocol (UDP) &
+ Transmission Control Protocol (TCP), and gives some guidelines for
+ when best to use SCTP and when not best to use SCTP.
+
+Table of contents
+
+ 1. Introduction .................................................. 2
+ 1.1 Terminology .................................................. 2
+ 2 Transport protocols ............................................ 2
+ 2.1 TCP service model ............................................ 2
+ 2.2 SCTP service model ........................................... 3
+ 2.3 UDP service model ............................................ 4
+ 3 SCTP Multihoming issues ........................................ 4
+ 4 SCTP Network Address Translators (NAT) issues [RFC2663] ........ 5
+ 5 Security Considerations ........................................ 6
+ 5.1 Security issues with TCP ..................................... 6
+ 5.2 Security issues with SCTP .................................... 7
+ 5.3 Security issues with both TCP and SCTP ....................... 8
+ 6 References and related work .................................... 9
+ 7 Acknowledgments ................................................ 10
+ Appendix A: Major functions provided by SCTP ..................... 11
+ Editor's Address ................................................. 12
+ Full Copyright Statement ......................................... 13
+
+
+
+
+
+
+
+Coene Informational [Page 1]
+\f
+RFC 3257 SCTP Applicability Statement April 2002
+
+
+1 Introduction
+
+ SCTP is a reliable transport protocol [RFC2960], which along with TCP
+ [RFC793], RTP [RFC1889], and UDP [RFC768], provides transport-layer
+ services for upper layer protocols and services. UDP, RTP, TCP, and
+ SCTP are currently the IETF standards-track transport-layer
+ protocols. Each protocol has a domain of applicability and services
+ it provides, albeit with some overlaps.
+
+ By clarifying the situations where the functionality of these
+ protocols are applicable, this document can guide implementers and
+ protocol designers in selecting which protocol to use.
+
+ Special attention is given to services SCTP provides which would make
+ a decision to use SCTP the right one.
+
+ Major functions provided by SCTP can be found in Appendix A.
+
+1.1 Terminology
+
+ The following terms are commonly identified in this work:
+
+ Association: SCTP connection between two endpoints.
+
+ Transport address: A combination of IP address and SCTP port number.
+
+ Upper layer: The user of the SCTP protocol, which may be an
+ adaptation layer, a session layer protocol, or the user application
+ directly.
+
+ Multihoming: Assigning more than one IP network interface to a single
+ endpoint.
+
+2 Transport protocols
+
+2.1 TCP service model
+
+ TCP is a connection-oriented (a.k.a., session-oriented) transport
+ protocol. This means that it requires both the establishment of a
+ connection prior to the exchange of application data and a connection
+ tear-down to release system resources after the completion of data
+ transfer.
+
+ TCP is currently the most widely used connection-oriented transport
+ protocol for the Internet.
+
+
+
+
+
+
+Coene Informational [Page 2]
+\f
+RFC 3257 SCTP Applicability Statement April 2002
+
+
+ TCP provides the upper layer with the following transport services:
+
+ - data reliability;
+
+ - data sequence preservation; and
+
+ - flow and congestion control.
+
+2.2 SCTP service model
+
+ SCTP is also connection-oriented and provides all the transport
+ services that TCP provides. Many Internet applications therefore
+ should find that either TCP or SCTP will meet their transport
+ requirements. Note, for applications conscious about processing
+ cost, there might be a difference in processing cost associated with
+ running SCTP with only a single ordered stream and one address pair
+ in comparison to running TCP.
+
+ However, SCTP has some additional capabilities that TCP lacks and
+ This can make SCTP a better choice for some applications and
+ environments:
+
+ - multi-streams support:
+
+ SCTP supports the delivery of multiple independent user message
+ streams within a single SCTP association. This capability, when
+ properly used, can alleviate the so-called head-of-line-blocking
+ problem caused by the strict sequence delivery constraint imposed to
+ the user data by TCP.
+
+ This can be particularly useful for applications that need to
+ exchange multiple, logically separate message streams between two
+ endpoints.
+
+ - multi-homing support:
+
+ SCTP provides transparent support for communications between two
+ endpoints of which one or both is multi-homed.
+
+ SCTP provides monitoring of the reachability of the addresses on the
+ remote endpoint and in the case of failure can transparently failover
+ from the primary address to an alternate address, without upper layer
+ intervention.
+
+
+
+
+
+
+
+
+Coene Informational [Page 3]
+\f
+RFC 3257 SCTP Applicability Statement April 2002
+
+
+ This capability can be used to build redundant paths between two SCTP
+ endpoints and can be particularly useful for applications that seek
+ transport-level fault tolerance.
+
+ Achieving path redundancy between two SCTP endpoints normally
+ requires that the two endpoints being equipped with multiple
+ interfaces assigned with multiple addresses and that routing is
+ configured appropriately (see Section 3).
+
+ - preservation of message boundaries:
+
+ SCTP preserves application messages boundaries. This is useful when
+ the application data is not a continuous byte stream but comes in
+ logical chunks that the receiver handles separately.
+
+ In contrast, TCP offers a reliable data stream that has no indication
+ of what an application may consider logical chunks of the data.
+
+ - unordered reliable message delivery:
+
+ SCTP supports the transportation of user messages that have no
+ application-specified order, yet need guaranteed reliable delivery.
+
+ Applications that need to send un-ordered reliable messages or prefer
+ using their own message sequencing and ordering mechanisms may find
+ this SCTP capability useful.
+
+2.3 UDP Service model
+
+ UDP is connectionless. This means that applications that use UDP do
+ not need to perform connection establishment or tear-down.
+
+ As transport services to its upper layer, UDP provides only:
+
+ - best-effort data delivery, and
+
+ - preservation of message boundaries.
+
+ Applications that do not require a reliable transfer of more than a
+ packet's worth of data will find UDP adequate. Some transaction-
+ based applications fall into this category.
+
+3 SCTP Multihoming Issues
+
+ SCTP provides transport-layer support for multihoming. Multihoming
+ has the potential of providing additional robustness against network
+ failures. In some applications, this may be extremely important, for
+ example, in signaling transport of PSTN signaling messages [RFC2719].
+
+
+
+Coene Informational [Page 4]
+\f
+RFC 3257 SCTP Applicability Statement April 2002
+
+
+ It should be noted that SCTP multihoming support only deals with
+ communication between two endpoints of which one or both is assigned
+ with multiple IP addresses on possibly multiple network interfaces.
+ It does NOT deal with communication ends that contain multiple
+ endpoints (i.e., clustered endpoints) that can switch over to an
+ alternate endpoint in case of failure of the original endpoint.
+
+ Generally, for truly fault resilient communication between two end-
+ points, the multihoming feature needs more than one IP network
+ interface for each endpoint. The number of paths used is the minimum
+ of network interfaces used by any of the endpoints. When an endpoint
+ selects its source address, careful consideration must be taken. If
+ the same source address is always used, then it is possible that the
+ endpoint will be subject to the same single point of failure. When
+ the endpoint chooses a source address, it should always select the
+ source address of the packet to correspond to the IP address of the
+ Network interface where the packet will be emitted subject to the
+ binding address constraint. The binding address constraint is, put
+ simply, that the endpoint must never choose a source address that is
+ not part of the association i.e., the peer endpoint must recognize
+ any source address used as being part of the association.
+
+ The availability of the association will benefit greatly from having
+ multiple addresses bound to the association endpoint when the
+ endpoint is on a multi-homed host.
+
+4 SCTP Network Address Translators (NAT) issues [RFC2663]
+
+ When two endpoints are to setup an SCTP association and one (or both)
+ of them is behind a NAT (i.e., it does not have any publicly
+ available network addresses), the endpoint(s) behind the NAT should
+ consider one of the following options:
+
+ (1) When single homed sessions are to be used, no transport addresses
+ should be sent in the INIT or INIT ACK chunk(Refer to section 3.3 of
+ RFC2960 for chunk definitions). This will force the endpoint that
+ receives this initiation message to use the source address in the IP
+ header as the only destination address for this association. This
+ method can be used for a NAT, but any multi-homing configuration at
+ the endpoint that is behind the NAT will not be visible to its peer,
+ and thus not be taken advantage of. See figure 1.
+
+
+
+
+
+
+
+
+
+
+Coene Informational [Page 5]
+\f
+RFC 3257 SCTP Applicability Statement April 2002
+
+
+ +-------+ +---------+ *~~~~~~~~~~* +------+
+ |Host A | | NAT | * Cloud * |Host B|
+ | 10.2 +--|10.1|2.1 |----|--------------|---------+ 1.2 |
+ | | | | | * * | |
+ +-------+ +---------+ *~~~~~~~~~~* +------+
+
+ Fig 1: SCTP through NAT without multihoming
+
+ For multihoming the NAT must have a public IP address for each
+ represented internal IP address. The host can preconfigure an IP
+ address that the NAT can substitute, or, the NAT can have internal
+ Application Layer Gateway (ALG) which will intelligently translate
+ the IP addresses in the INIT and INIT ACK chunks. See Figure 2.
+
+ If Network Address Port Translation is used with a multihomed SCTP
+ endpoint, then any port translation must be applied on a per-
+ association basis such that an SCTP endpoint continues to receive the
+ same port number for all messages within a given association.
+
+ +-------+ +----------+ *~~~~~~~~~~* +------+
+ |Host A | | NAT | * Cloud * |Host B|
+ | 10.2 +---+ 10.1|5.2 +-----+ 1.1<+->3.1--+---------+ 1.2 |
+ | 11.2 +---+ 11.1|6.2 | | +->4.2--+---------+ 2.2 |
+ | | | | * * | |
+ +-------+ +----------+ *~~~~~~~~~* +------+
+
+ Fig 2: SCTP through NAT with multihoming
+
+ (2) Another alternative is to use the hostname feature and DNS to
+ resolve the addresses. The hostname is included in the INIT of the
+ association or in the INIT ACK. The hostname must be resolved by DNS
+ before the association is completely set up. There are special
+ issues regarding NAT and DNS, refer to RFC2694 for details.
+
+5 Security Considerations
+
+ In this section, some relevant security issues found in the
+ deployment of the connection-oriented transport protocols will be
+ discussed.
+
+5.1 Security issues with TCP
+
+ Some TCP implementations have been known to be vulnerable to blind
+ denial of service attacks, i.e., attacks that had been executed by an
+ attacker that could not see most of the traffic to or from the target
+ host.
+
+
+
+
+
+Coene Informational [Page 6]
+\f
+RFC 3257 SCTP Applicability Statement April 2002
+
+
+ The attacker would send a large number of connection establishment
+ requests (TCP-SYN packets) to the attacked target, possibly from
+ faked IP source addresses. The attacked host would reply by sending
+ SYN-ACK packets and entering SYN-received state, thereby allocating
+ space for a TCB. At some point the SYN-queue would fill up, (i.e.,
+ the number of connections waiting to be established would rise to a
+ limit) and the host under attack would have to start turning down new
+ connection establishment requests.
+
+ TCP implementations with SYN-cookies algorithm [SYN-COOK] reduce the
+ risk of such blind denial of service attacks. TCP implementations
+ can switch to using this algorithm in times when their SYN-queues are
+ filled up while still fully conforming to the TCP specification
+ [RFC793]. However, use of options such as a window scale [RFC1323],
+ is not possible, then. With the SYN-cookie mechanism, a TCB is only
+ created when the client sends back a valid ACK packet to the server,
+ and the 3-way handshake has thus been successfully completed.
+
+ Blind connection forgery is another potential threat to TCP. By
+ guessing valid sequence numbers, an attacker would be able to forge a
+ connection. However, with a secure hashsum algorithm, for some of
+ the current SYN-cookie implementations the likelihood of achieving
+ this attack is on the order of magnitude of 1 in 2^24, i.e., the
+ attacker would have to send 2^24 packets before obtaining one forged
+ connection when SYN-cookies are used.
+
+5.2 Security issues with SCTP
+
+ SCTP has been designed with the experiences made with TCP in mind.
+ To make it hard for blind attackers (i.e., attackers that are not
+ man-in-the-middle) to inject forged SCTP datagrams into existing
+ associations, each side of an SCTP association uses a 32 bit value
+ called "Verification Tag" to ensure that a datagram really belongs to
+ the existing association. So in addition to a combination of source
+ and destination transport addresses that belong to an established
+ association, a valid SCTP datagram must also have the correct tag to
+ be accepted by the recipient.
+
+ Unlike in TCP, usage of cookie in association establishment is made
+ mandatory in SCTP. For the server, a new association is fully
+ established after three messages (containing INIT, INIT-ACK, COOKIE-
+ ECHO chunks) have been exchanged. The cookie is a variable length
+ parameter that contains all relevant data to initialize the TCB on
+ the server side, plus a HMAC used to secure it. This HMAC (MD5 as
+ per [RFC1321] or SHA-1 [SHA1]) is computed over the cookie and a
+ secret, server-owned key.
+
+
+
+
+
+Coene Informational [Page 7]
+\f
+RFC 3257 SCTP Applicability Statement April 2002
+
+
+ As specifically prescribed for SCTP implementations [RFC2960],
+ additional resources for new associations may only be reserved in
+ case a valid COOKIE-ECHO chunk is received by a client, and the
+ computed HMAC for this new cookie matches that contained in the
+ cookie.
+
+ With SCTP the chances of an attacker being able to blindly forge a
+ connection are even lower than in the case of TCP using SYN-cookies,
+ since the attacker would have to guess a correct value for the HMAC
+ contained in the cookie, i.e., lower than 1 in 2^128 which for all
+ practical purposes is negligible.
+
+ It should be noted that SCTP only tries to increase the availability
+ of a network. SCTP does not contain any protocol mechanisms that are
+ directly related to user message authentication, integrity and
+ confidentiality functions. For such features, it depends on the
+ IPsec protocols and architecture and/or on security features of the
+ application protocols.
+
+ Transport Layer security(TLS)[RFC2246] using SCTP must always use
+ in-order streams.
+
+ Currently the IPSEC working group is investigating the support of
+ multi-homing by IPSEC protocols. At the present time to use IPSEC,
+ one must use 2 * N * M security associations if one endpoint uses N
+ addresses and the other M addresses.
+
+5.3 Security Issues with both TCP and SCTP
+
+ It is important to note that neither TCP nor SCTP protect itself from
+ man-in-the-middle attacks where an established session might be
+ hijacked (assuming the attacker can see the traffic from and inject
+ its own packets to either endpoints).
+
+ Also, to prevent blind connection/session setup forgery, both TCP
+ implementations supporting SYN-cookies and SCTP implementations rely
+ on a server-known, secret key to protect the HMAC data. It must be
+ ensured that this key is created subject to the recommendations
+ mentioned in [RFC1750].
+
+ Although SCTP has been designed carefully as to avoid some of the
+ problems that have appeared with TCP, it has as of yet not been
+ widely deployed. It is therefore possible that new security issues
+ will be identified that will have to be addressed in further
+ revisions of [RFC2960].
+
+
+
+
+
+
+Coene Informational [Page 8]
+\f
+RFC 3257 SCTP Applicability Statement April 2002
+
+
+6 References and related work
+
+ [RFC2960] Stewart, R., Xie, Q., Morneault, K., Sharp, C.,
+ Schwarzbauer, H., Taylor, T., Rytina, I., Kalla, M.,
+ Zhang, L. and V. Paxson, "Stream Control Transmission
+ Protocol", RFC 2960, October 2000.
+
+ [RFC2401] Kent, S. and R. Atkinson, "Security Architecture for the
+ Internet Protocol", RFC 2401, November 1998.
+
+ [RFC2663] Srisuresh, P. and M. Holdrege, "IP Network Address
+ Translator (NAT) Terminology and Considerations", RFC
+ 2663, August 1999.
+
+ [RFC2694] Srisuresh, P., Tsirtsis, G., Akkiraju, P. and A.
+ Heffernan, "DNS extensions to Network Address Translators
+ (DNS_ALG)", RFC 2694, September 1999.
+
+ [RFC768] Postel, J., "User Datagram Protocol", STD 6, RFC 768,
+ August 1980.
+
+ [RFC793] Postel, J., "Transmission Control Protocol", STD 7, RFC
+ 793, September 1981.
+
+ [RFC2719] Ong, L., Rytina, I., Garcia, M., Schwarzbauer, H., Coene,
+ L., Lin, H., Juhasz, I., Holdrege, M. and C. Sharp,
+ "Architectural Framework for Signaling Transport", RFC
+ 2719, October 1999.
+
+ [RFC1321] Rivest, R., "The MD5 Message-Digest Algorithm", RFC 1321,
+ April 1992.
+
+ [RFC1323] Jacobson, V., Braden, R. and D. Borman, "TCP Extensions
+ for High Performance", RFC 1323, May 1992.
+
+ [RFC1750] Eastlake, D., Crocker, S. and J. Schiller, "Randomness
+ Recommendations for Security", RFC 1750, December 1994.
+
+ [SHA1] NIST FIPS PUB 180-1, "Secure Hash Standard," National
+ Institute of Standards and Technology, U.S. Department of
+ Commerce, April 1995.
+
+ [SYNCOOK] Dan J. Bernstein, SYN cookies, 1997, see also
+ <http://cr.yp.to/syncookies.html>
+
+ [RFC2246] Dierks, T. and C. Allen, "The TLS Protocol Version 1.0",
+ RFC 2246, January 1999.
+
+
+
+
+Coene Informational [Page 9]
+\f
+RFC 3257 SCTP Applicability Statement April 2002
+
+
+ [RFC1889] Schulzrinne, H., Casner, S., Frederick, R. and V.
+ Jacobson, "RTP: A Transport Protocol for Real-Time
+ Applications", RFC 1889, January 1996.
+
+7 Acknowledgments
+
+ This document was initially developed by a design team consisting of
+ Lode Coene, John Loughney, Michel Tuexen, Randall R. Stewart,
+ Qiaobing Xie, Matt Holdrege, Maria-Carmen Belinchon, Andreas
+ Jungmaier, Gery Verwimp and Lyndon Ong.
+
+ The authors wish to thank Renee Revis, I. Rytina, H.J. Schwarzbauer,
+ J.P. Martin-Flatin, T. Taylor, G. Sidebottom, K. Morneault, T.
+ George, M. Stillman, N. Makinae, S. Bradner, A. Mankin, G. Camarillo,
+ H. Schulzrinne, R. Kantola, J. Rosenberg, R.J. Atkinson, and many
+ others for their invaluable comments.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Coene Informational [Page 10]
+\f
+RFC 3257 SCTP Applicability Statement April 2002
+
+
+Appendix A: Major functions provided by SCTP
+
+ - Reliable Data Transfer
+
+ - Multiple streams to help avoid head-of-line blocking
+
+ - Ordered and unordered data delivery on a per-stream basis
+
+ - Bundling and fragmentation of user data
+
+ - TCP friendly Congestion and flow control
+
+ - Support continuous monitoring of reachability
+
+ - Graceful termination of association
+
+ - Support of multi-homing for added reliability
+
+ - Some protection against blind denial-of-service attacks
+
+ - Some protection against blind masquerade attacks
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Coene Informational [Page 11]
+\f
+RFC 3257 SCTP Applicability Statement April 2002
+
+
+8 Editor's Address
+
+ Lode Coene
+ Siemens Atea
+ Atealaan 34
+ B-2200 Herentals
+ Belgium
+
+ Phone: +32-14-252081
+ EMail: lode.coene@siemens.atea.be
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Coene Informational [Page 12]
+\f
+RFC 3257 SCTP Applicability Statement April 2002
+
+
+9. Full Copyright Statement
+
+ Copyright (C) The Internet Society (2002). All Rights Reserved.
+
+ This document and translations of it may be copied and furnished to
+ others, and derivative works that comment on or otherwise explain it
+ or assist in its implementation may be prepared, copied, published
+ and distributed, in whole or in part, without restriction of any
+ kind, provided that the above copyright notice and this paragraph are
+ included on all such copies and derivative works. However, this
+ document itself may not be modified in any way, such as by removing
+ the copyright notice or references to the Internet Society or other
+ Internet organizations, except as needed for the purpose of
+ developing Internet standards in which case the procedures for
+ copyrights defined in the Internet Standards process must be
+ followed, or as required to translate it into languages other than
+ English.
+
+ The limited permissions granted above are perpetual and will not be
+ revoked by the Internet Society or its successors or assigns.
+
+ This document and the information contained herein is provided on an
+ "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+ TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+ BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+ HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+ MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+ Funding for the RFC Editor function is currently provided by the
+ Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Coene Informational [Page 13]
+\f
--- /dev/null
+
+
+
+
+
+
+Network Working Group L. Ong
+Request for Comments: 3286 Ciena Corporation
+Category: Informational J. Yoakum
+ Nortel Networks
+ May 2002
+
+
+ An Introduction to the Stream Control Transmission Protocol (SCTP)
+
+Status of this Memo
+
+ This memo provides information for the Internet community. It does
+ not specify an Internet standard of any kind. Distribution of this
+ memo is unlimited.
+
+Copyright Notice
+
+ Copyright (C) The Internet Society (2002). All Rights Reserved.
+
+Abstract
+
+ This document provides a high level introduction to the capabilities
+ supported by the Stream Control Transmission Protocol (SCTP). It is
+ intended as a guide for potential users of SCTP as a general purpose
+ transport protocol.
+
+1. Introduction
+
+ The Stream Control Transmission Protocol (SCTP) is a new IP transport
+ protocol, existing at an equivalent level with UDP (User Datagram
+ Protocol) and TCP (Transmission Control Protocol), which provide
+ transport layer functions to many Internet applications. SCTP has
+ been approved by the IETF as a Proposed Standard [1]. The error
+ check algorithm has since been modified [2]. Future changes and
+ updates will be reflected in the IETF RFC index.
+
+ Like TCP, SCTP provides a reliable transport service, ensuring that
+ data is transported across the network without error and in sequence.
+ Like TCP, SCTP is a session-oriented mechanism, meaning that a
+ relationship is created between the endpoints of an SCTP association
+ prior to data being transmitted, and this relationship is maintained
+ until all data transmission has been successfully completed.
+
+ Unlike TCP, SCTP provides a number of functions that are critical for
+ telephony signaling transport, and at the same time can potentially
+ benefit other applications needing transport with additional
+ performance and reliability. The original framework for the SCTP
+ definition is described in [3].
+
+
+
+Ong & Yoakum Informational [Page 1]
+\f
+RFC 3286 SCTP Overview May 2002
+
+
+2. Basic SCTP Features
+
+ SCTP is a unicast protocol, and supports data exchange between
+ exactly 2 endpoints, although these may be represented by multiple IP
+ addresses.
+
+ SCTP provides reliable transmission, detecting when data is
+ discarded, reordered, duplicated or corrupted, and retransmitting
+ damaged data as necessary. SCTP transmission is full duplex.
+
+ SCTP is message oriented and supports framing of individual message
+ boundaries. In comparison, TCP is byte oriented and does not
+ preserve any implicit structure within a transmitted byte stream
+ without enhancement.
+
+ SCTP is rate adaptive similar to TCP, and will scale back data
+ transfer to the prevailing load conditions in the network. It is
+ designed to behave cooperatively with TCP sessions attempting to use
+ the same bandwidth.
+
+3. SCTP Multi-Streaming Feature
+
+ The name Stream Control Transmission Protocol is derived from the
+ multi-streaming function provided by SCTP. This feature allows data
+ to be partitioned into multiple streams that have the property of
+ independently sequenced delivery, so that message loss in any one
+ stream will only initially affect delivery within that stream, and
+ not delivery in other streams.
+
+ In contrast, TCP assumes a single stream of data and ensures that
+ delivery of that stream takes place with byte sequence preservation.
+ While this is desirable for delivery of a file or record, it causes
+ additional delay when message loss or sequence error occurs within
+ the network. When this happens, TCP must delay delivery of data
+ until the correct sequencing is restored, either by receipt of an
+ out-of-sequence message, or by retransmission of a lost message.
+
+ For a number of applications, the characteristic of strict sequence
+ preservation is not truly necessary. In telephony signaling, it is
+ only necessary to maintain sequencing of messages that affect the
+ same resource (e.g., the same call, or the same channel). Other
+ messages are only loosely correlated and can be delivered without
+ having to maintain overall sequence integrity.
+
+ Another example of possible use of multi-streaming is the delivery of
+ multimedia documents, such as a web page, when done over a single
+ session. Since multimedia documents consist of objects of different
+ sizes and types, multi-streaming allows transport of these components
+
+
+
+Ong & Yoakum Informational [Page 2]
+\f
+RFC 3286 SCTP Overview May 2002
+
+
+ to be partially ordered rather than strictly ordered, and may result
+ in improved user perception of transport.
+
+ At the same time, transport is done within a single SCTP association,
+ so that all streams are subjected to a common flow and congestion
+ control mechanism, reducing the overhead required at the transport
+ level.
+
+ SCTP accomplishes multi-streaming by creating independence between
+ data transmission and data delivery. In particular, each payload
+ DATA "chunk" in the protocol uses two sets of sequence numbers, a
+ Transmission Sequence Number that governs the transmission of
+ messages and the detection of message loss, and the Stream ID/Stream
+ Sequence Number pair, which is used to determine the sequence of
+ delivery of received data.
+
+ This independence of mechanisms allows the receiver to determine
+ immediately when a gap in the transmission sequence occurs (e.g., due
+ to message loss), and also whether or not messages received following
+ the gap are within an affected stream. If a message is received
+ within the affected stream, there will be a corresponding gap in the
+ Stream Sequence Number, while messages from other streams will not
+ show a gap. The receiver can therefore continue to deliver messages
+ to the unaffected streams while buffering messages in the affected
+ stream until retransmission occurs.
+
+4. SCTP Multi-Homing Feature
+
+ Another core feature of SCTP is multi-homing, or the ability for a
+ single SCTP endpoint to support multiple IP addresses. The benefit
+ of multi-homing is potentially greater survivability of the session
+ in the presence of network failures. In a conventional single-homed
+ session, the failure of a local LAN access can isolate the end
+ system, while failures within the core network can cause temporary
+ unavailability of transport until the IP routing protocols can
+ reconverge around the point of failure. Using multi-homed SCTP,
+ redundant LANs can be used to reinforce the local access, while
+ various options are possible in the core network to reduce the
+ dependency of failures for different addresses. Use of addresses
+ with different prefixes can force routing to go through different
+ carriers, for example, route-pinning techniques or even redundant
+ core networks can also be used if there is control over the network
+ architecture and protocols.
+
+ In its current form, SCTP does not do load sharing, that is, multi-
+ homing is used for redundancy purposes only. A single address is
+ chosen as the "primary" address and is used as the destination for
+ all DATA chunks for normal transmission. Retransmitted DATA chunks
+
+
+
+Ong & Yoakum Informational [Page 3]
+\f
+RFC 3286 SCTP Overview May 2002
+
+
+ use the alternate address(es) to improve the probability of reaching
+ the remote endpoint, while continued failure to send to the primary
+ address ultimately results in the decision to transmit all DATA
+ chunks to the alternate until heartbeats can reestablish the
+ reachability of the primary.
+
+ To support multi-homing, SCTP endpoints exchange lists of addresses
+ during initiation of the association. Each endpoint must be able to
+ receive messages from any of the addresses associated with the remote
+ endpoint; in practice, certain operating systems may utilize
+ available source addresses in round robin fashion, in which case
+ receipt of messages from different source addresses will be the
+ normal case. A single port number is used across the entire address
+ list at an endpoint for a specific session.
+
+ In order to reduce the potential for security issues, it is required
+ that some response messages be sent specifically to the source
+ address in the message that caused the response. For example, when
+ the server receives an INIT chunk from a client to initiate an SCTP
+ association, the server always sends the response INIT ACK chunk to
+ the source address that was in the IP header of the INIT.
+
+5. Features of the SCTP Initiation Procedure
+
+ The SCTP Initiation Procedure relies on a 4-message sequence, where
+ DATA can be included on the 3rd and 4th messages of the sequence, as
+ these messages are sent when the association has already been
+ validated. A "cookie" mechanism has been incorporated into the
+ sequence to guard against some types of denial of service attacks.
+
+5.1 Cookie Mechanism
+
+ The "cookie" mechanism guards specifically against a blind attacker
+ generating INIT chunks to try to overload the resources of an SCTP
+ server by causing it to use up memory and resources handling new INIT
+ requests. Rather than allocating memory for a Transmission Control
+ Block (TCB), the server instead creates a Cookie parameter with the
+ TCB information, together with a valid lifetime and a signature for
+ authentication, and sends this back in the INIT ACK. Since the INIT
+ ACK always goes back to the source address of the INIT, the blind
+ attacker will not get the Cookie. A valid SCTP client will get the
+ Cookie and return it in the COOKIE ECHO chunk, where the SCTP server
+ can validate the Cookie and use it to rebuild the TCB. Since the
+ server creates the Cookie, only it needs to know the format and
+ secret key, this is not exchanged with the client.
+
+
+
+
+
+
+Ong & Yoakum Informational [Page 4]
+\f
+RFC 3286 SCTP Overview May 2002
+
+
+ Otherwise, the SCTP Initiation Procedure follows many TCP
+ conventions, so that the endpoints exchange receiver windows, initial
+ sequence numbers, etc. In addition to this, the endpoints may
+ exchange address lists as discussed above, and also mutually confirm
+ the number of streams to be opened on each side.
+
+5.2 INIT Collision Resolution
+
+ Multi-homing adds to the potential that messages will be received out
+ of sequence or with different address pairs. This is a particular
+ concern during initiation of the association, where without
+ procedures for resolving the collision of messages, you may easily
+ end up with multiple parallel associations between the same
+ endpoints. To avoid this, SCTP incorporates a number of procedures
+ to resolve parallel initiation attempts into a single association.
+
+6. SCTP DATA Exchange Features
+
+ DATA chunk exchange in SCTP follows TCP's Selective ACK procedure.
+ Receipt of DATA chunks is acknowledged by sending SACK chunks, which
+ indicate not only the cumulative Transmission Sequence Number (TSN)
+ range received, but also any non-cumulative TSNs, implying gaps in
+ the received TSN sequence. Following TCP procedures, SACKs are sent
+ using the "delayed ack" method, normally one SACK per every other
+ received packet, but with an upper limit on the delay between SACKs
+ and an increase to once per received packet when there are gaps
+ detected.
+
+ Flow and Congestion Control follow TCP algorithms. The advertised
+ receive window indicates buffer occupancy at the receiver, while a
+ per-path congestion window is maintained to manage the packets in
+ flight. Slow start, Congestion avoidance, Fast recovery and Fast
+ retransmit are incorporated into the procedures as described in RFC
+ 2581, with the one change being that the endpoints must manage the
+ conversion between bytes sent and received and TSNs sent and
+ received, since TSN is per chunk rather than per byte.
+
+ The application can specify a lifetime for data to be transmitted, so
+ that if the lifetime has expired and the data has not yet been
+ transmitted, it can be discarded (e.g., time-sensitive signaling
+ messages). If the data has been transmitted, it must continue to be
+ delivered to avoid creating a hole in the TSN sequence.
+
+
+
+
+
+
+
+
+
+Ong & Yoakum Informational [Page 5]
+\f
+RFC 3286 SCTP Overview May 2002
+
+
+7. SCTP Shutdown Features
+
+ SCTP Shutdown uses a 3-message procedure to allow graceful shutdown,
+ where each endpoint has confirmation of the DATA chunks received by
+ the remote endpoint prior to completion of the shutdown. An Abort
+ procedure is also provided for error cases when an immediate shutdown
+ must take place.
+
+ Note that SCTP does not support the function of a "half-open"
+ connection as can occur in TCP, when one side indicates that it has
+ no more data to send, but the other side can continue to send data
+ indefinitely. SCTP assumes that once the shutdown procedure begins,
+ both sides will stop sending new data across the association, and
+ only need to clear up acknowledgements of previously sent data.
+
+8. SCTP Message Format
+
+ The SCTP Message includes a common header plus one or more chunks,
+ which can be control or data. The common header has source and
+ destination port numbers to allow multiplexing of different SCTP
+ associations at the same address, a 32-bit verification tag that
+ guards against insertion of an out-of-date or false message into the
+ SCTP association, and a 32-bit checksum (this has been modified to
+ use the CRC-32c polynomial [2]) for error detection.
+
+ Each chunk includes chunk type, flag field, length and value.
+ Control chunks incorporate different flags and parameters depending
+ on the chunk type. DATA chunks in particular incorporate flags for
+ control of segmentation and reassembly, and parameters for the TSN,
+ Stream ID and Stream Sequence Number, and a Payload Protocol
+ Identifier.
+
+ The Payload Protocol ID has been included for future flexibility. It
+ is envisioned that the functions of protocol identification and port
+ number multiplexing will not be as closely linked in the future as
+ they are in current usage. Payload Protocol ID will allow the
+ protocol being carried by SCTP to be identified independent of the
+ port numbers being used.
+
+ The SCTP message format naturally allows support of bundling of
+ multiple DATA and control chunks in a single message, to improve
+ transport efficiency. Use of bundling is controllable by the
+ application, so that bundling of initial transmission can be
+ prohibited. Bundling will naturally occur on retransmission of DATA
+ chunks, to further reduce any chance of congestion.
+
+
+
+
+
+
+Ong & Yoakum Informational [Page 6]
+\f
+RFC 3286 SCTP Overview May 2002
+
+
+9. Error Handling
+
+9.1 Retransmission
+
+ Retransmission of DATA chunks occurs from either (a) timeout of the
+ retransmission timer; or (b) receipt of SACKs indicating the DATA
+ chunk has not been received. To reduce the potential for congestion,
+ the rate of retransmission of DATA chunks is limited. The
+ retransmission timeout (RTO) is adjusted based on estimates of the
+ round trip delay and backs off exponentially as message loss
+ increases.
+
+ In an active association with fairly constant DATA transmission,
+ SACKs are more likely to cause retransmission than the timeout. To
+ reduce the chance of an unnecessary retransmission, a 4 SACK rule is
+ used, so that retransmission only occurs on receipt of the 4th SACK
+ that indicates that the chunk is missing. This is intended to avoid
+ retransmits due to normal occurrences such as packets received out of
+ sequence.
+
+9.2 Path Failure
+
+ A count is maintained of the number of retransmissions to a
+ particular destination address without successful acknowledgement.
+ When this count exceeds a configured maximum, the address is declared
+ inactive, notification is given to the application, and the SCTP
+ begins to use an alternate address for the sending of DATA chunks.
+
+ Also, Heartbeat chunks are sent periodically to all idle destinations
+ (i.e., alternate addresses), and a counter is maintained on the
+ number of Heartbeats sent to an inactive destination without receipt
+ of a corresponding Heartbeat Ack. When this counter exceeds a
+ configured maximum, that destination address is also declared
+ inactive.
+
+ Heartbeats continue to be sent to inactive destination addresses
+ until an Ack is received, at which point the address can be made
+ active again. The rate of sending Heartbeats is tied to the RTO
+ estimation plus an additional delay parameter that allows Heartbeat
+ traffic to be tailored according to the needs of the user
+ application.
+
+9.3 Endpoint Failure
+
+ A count is maintained across all destination addresses on the number
+ of retransmits or Heartbeats sent to the remote endpoint without a
+ successful Ack. When this exceeds a configured maximum, the endpoint
+ is declared unreachable, and the SCTP association is closed.
+
+
+
+Ong & Yoakum Informational [Page 7]
+\f
+RFC 3286 SCTP Overview May 2002
+
+
+10. API
+
+ The specification includes a model of the primitives exchanged
+ between the application and the SCTP layer, intended as informational
+ material rather than a formal API statement. A socket-based API is
+ being defined to simplify migration of TCP or UDP applications to the
+ use of SCTP.
+
+11. Security Considerations
+
+ In addition to the verification tag and cookie mechanisms, SCTP
+ specifies the use of IPSec if strong security and integrity
+ protection is required. The SCTP specification does not itself
+ define any new security protocols or procedures.
+
+ Extensions to IPSec are under discussion to reduce the overhead
+ required to support multi-homing. Also, work is in progress on the
+ use of Transport Layer Security (TLS) over SCTP [4].
+
+12. Extensions
+
+ The SCTP format allows new chunk types, flags and parameter fields to
+ be defined as extensions to the protocol. Any extensions must be
+ based on standard agreements within the IETF, as no vendor-specific
+ extensions are supported in the protocol.
+
+ Chunk Type values are organized into four ranges to allow extensions
+ to be made with a pre-defined procedure for responding if a new Chunk
+ Type is not recognized at the remote endpoint. Responses include:
+ whole packet discard; packet discard with reporting; ignoring the
+ chunk; ignoring with reporting. Similar pre-defined responses are
+ specified for unrecognized Parameter Type values.
+
+ Chunk Parameter Type values are in principle independent ranges for
+ each Chunk Type. In practice, the values defined in the SCTP
+ specification have been coordinated so that a particular parameter
+ type will have the same Chunk Parameter Type value across all Chunk
+ Types. Further experience will determine if this alignment needs to
+ be maintained or formalized.
+
+
+
+
+
+
+
+
+
+
+
+
+Ong & Yoakum Informational [Page 8]
+\f
+RFC 3286 SCTP Overview May 2002
+
+
+13. Informative References
+
+ [1] Stewart, R., Xie, Q., Morneault, K., Sharp, C., Schwarzbauer, H.,
+ Taylor, T., Rytina, I., Kalla, M., Zhang, L. and V. Paxson,
+ "Stream Control Transmission Protocol", RFC 2960, October 2000.
+
+ [2] Stewart, Sharp, et. al., "SCTP Checksum Change", Work in
+ Progress.
+
+ [3] Ong, L., Rytina, I., Garcia, M., Schwarzbauer, H., Coene, L.,
+ Lin, H., Juhasz, I., Holdrege, M. and C. Sharp, "Framework
+ Architecture for Signaling Transport", RFC 2719, October 1999.
+
+ [4] Jungmeier, Rescorla and Tuexen, "TLS Over SCTP", Work in
+ Progress.
+
+14. Authors' Addresses
+
+ Lyndon Ong
+ Ciena Corporation
+ 10480 Ridgeview Drive
+ Cupertino, CA 95014
+
+ EMail: lyong@ciena.com
+
+
+ John Yoakum
+ Emerging Opportunities
+ Nortel Networks
+
+ EMail: yoakum@nortelnetworks.com
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Ong & Yoakum Informational [Page 9]
+\f
+RFC 3286 SCTP Overview May 2002
+
+
+15. Full Copyright Statement
+
+ Copyright (C) The Internet Society (2002). All Rights Reserved.
+
+ This document and translations of it may be copied and furnished to
+ others, and derivative works that comment on or otherwise explain it
+ or assist in its implementation may be prepared, copied, published
+ and distributed, in whole or in part, without restriction of any
+ kind, provided that the above copyright notice and this paragraph are
+ included on all such copies and derivative works. However, this
+ document itself may not be modified in any way, such as by removing
+ the copyright notice or references to the Internet Society or other
+ Internet organizations, except as needed for the purpose of
+ developing Internet standards in which case the procedures for
+ copyrights defined in the Internet Standards process must be
+ followed, or as required to translate it into languages other than
+ English.
+
+ The limited permissions granted above are perpetual and will not be
+ revoked by the Internet Society or its successors or assigns.
+
+ This document and the information contained herein is provided on an
+ "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+ TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+ BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+ HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+ MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+ Funding for the RFC Editor function is currently provided by the
+ Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Ong & Yoakum Informational [Page 10]
+\f
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+
+
+
+
+
+
+Network Working Group J. Stone
+Request for Comments: 3309 Stanford
+Updates: 2960 R. Stewart
+Category: Standards Cisco Systems
+ D. Otis
+ SANlight
+ September 2002
+
+
+ Stream Control Transmission Protocol (SCTP) Checksum Change
+
+Status of this Memo
+
+ This document specifies an Internet standards track protocol for the
+ Internet community, and requests discussion and suggestions for
+ improvements. Please refer to the current edition of the "Internet
+ Official Protocol Standards" (STD 1) for the standardization state
+ and status of this protocol. Distribution of this memo is unlimited.
+
+Copyright Notice
+
+ Copyright (C) The Internet Society (2002). All Rights Reserved.
+
+Abstract
+
+ Stream Control Transmission Protocol (SCTP) currently uses an Adler-
+ 32 checksum. For small packets Adler-32 provides weak detection of
+ errors. This document changes that checksum and updates SCTP to use
+ a 32 bit CRC checksum.
+
+Table of Contents
+
+ 1 Introduction ................................................... 2
+ 2 Checksum Procedures ............................................ 3
+ 3 Security Considerations......................................... 6
+ 4 IANA Considerations............................................. 6
+ 5 Acknowledgments ................................................ 6
+ 6 References ..................................................... 7
+ Appendix ......................................................... 9
+ Authors' Addresses ............................................... 16
+ Full Copyright Statement ......................................... 17
+
+
+
+
+
+
+
+
+
+
+Stone, et. al. Standards Track [Page 1]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+1 Introduction
+
+ A fundamental weakness has been detected in SCTP's current Adler-32
+ checksum algorithm [STONE]. This document updates and replaces the
+ Adler-32 checksum definition in [RFC 2960]. Note that there is no
+ graceful transition mechanism for migrating to the new checksum.
+ Implementations are expected to immediately switch to the new
+ algorithm; use of the old algorithm is deprecated.
+
+ One requirement of an effective checksum is that it evenly and
+ smoothly spreads its input packets over the available check bits.
+
+ From an email from Jonathan Stone, who analyzed the Adler-32 as part
+ of his doctoral thesis:
+
+ "Briefly, the problem is that, for very short packets, Adler32 is
+ guaranteed to give poor coverage of the available bits. Don't take
+ my word for it, ask Mark Adler. :-)
+
+ Adler-32 uses two 16-bit counters, s1 and s2. s1 is the sum of the
+ input, taken as 8-bit bytes. s2 is a running sum of each value of
+ s1. Both s1 and s2 are computed mod-65521 (the largest prime less
+ than 2^16). Consider a packet of 128 bytes. The *most* that each
+ byte can be is 255. There are only 128 bytes of input, so the
+ greatest value which the s1 accumulator can have is 255 * 128 =
+ 32640. So, for 128-byte packets, s1 never wraps. That is critical.
+ Why?
+
+ The key is to consider the distribution of the s1 values, over some
+ distribution of the values of the individual input bytes in each
+ packet. Because s1 never wraps, s1 is simply the sum of the
+ individual input bytes. (Even Doug's trick of adding 0x5555 doesn't
+ help here, and an even larger value doesn't really help: we can get
+ at most one mod-65521 reduction.)
+
+ Given the further assumption that the input bytes are drawn
+ independently from some distribution (they probably aren't: for file
+ system data, it's even worse than that!), the Central Limit Theorem
+ tells us that that s1 will tend to have a normal distribution.
+ That's bad: it tells us that the value of s1 will have hot-spots at
+ around 128 times the mean of the input distribution: around 16k,
+ assuming a uniform distribution. That's bad. We want the
+ accumulator to wrap as many times as possible, so that the resulting
+ sum has as close to a uniform distribution as possible. (I call this
+ "fairness".)
+
+
+
+
+
+
+Stone, et. al. Standards Track [Page 2]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+ So, for short packets, the Adler-32 s1 sum is guaranteed to be
+ unfair. Why is that bad? It's bad because the space of valid
+ packets -- input data, plus checksum values -- is also small. If all
+ packets have checksum values very close to 32640, then the likelihood
+ of even a 'small' error leaving a damaged packet with a valid
+ checksum is higher than if all checksum values are equally likely."
+
+ Due to this inherent weakness, exacerbated by the fact that SCTP will
+ first be used as a signaling transport protocol where signaling
+ messages are usually less than 128 bytes, a new checksum algorithm is
+ specified by this document, replacing the current Adler-32 algorithm
+ with CRC-32c.
+
+1.1 Conventions
+
+ The keywords MUST, MUST NOT, REQUIRED, SHALL, SHALL NOT,
+ SHOULD,SHOULD NOT, RECOMMENDED, NOT RECOMMENDED, MAY, and OPTIONAL,
+ when they appear in this document, are to be interpreted as described
+ in [RFC2119].
+
+ Bit number order is defined in [RFC1700].
+
+2 Checksum Procedures
+
+ The procedures described in section 2.1 of this document MUST be
+ followed, replacing the current checksum defined in [RFC2960].
+
+ Furthermore any references within [RFC2960] to Adler-32 MUST be
+ treated as a reference to CRC-32c. Section 2.1 of this document
+ describes the new calculation and verification procedures that MUST
+ be followed.
+
+2.1 Checksum Calculation
+
+ When sending an SCTP packet, the endpoint MUST strengthen the data
+ integrity of the transmission by including the CRC-32c checksum value
+ calculated on the packet, as described below.
+
+ After the packet is constructed (containing the SCTP common header
+ and one or more control or DATA chunks), the transmitter shall:
+
+ 1) Fill in the proper Verification Tag in the SCTP common header and
+ initialize the Checksum field to 0's.
+
+ 2) Calculate the CRC-32c of the whole packet, including the SCTP
+ common header and all the chunks.
+
+
+
+
+
+Stone, et. al. Standards Track [Page 3]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+ 3) Put the resulting value into the Checksum field in the common
+ header, and leave the rest of the bits unchanged.
+
+ When an SCTP packet is received, the receiver MUST first check the
+ CRC-32c checksum:
+
+ 1) Store the received CRC-32c value,
+
+ 2) Replace the 32 bits of the Checksum field in the received SCTP
+ packet with all '0's and calculate a CRC-32c value of the whole
+ received packet. And,
+
+ 3) Verify that the calculated CRC-32c value is the same as the
+ received CRC-32c value. If not, the receiver MUST treat the
+ packet as an invalid SCTP packet.
+
+ The default procedure for handling invalid SCTP packets is to
+ silently discard them.
+
+ Any hardware implementation SHOULD be done in a way that is
+ verifiable by the software.
+
+ We define a 'reflected value' as one that is the opposite of the
+ normal bit order of the machine. The 32 bit CRC is calculated as
+ described for CRC-32c and uses the polynomial code 0x11EDC6F41
+ (Castagnoli93) or x^32+x^28+x^27+x^26+x^25
+ +x^23+x^22+x^20+x^19+x^18+x^14+x^13+x^11+x^10+x^9+x^8+x^6+x^0. The
+ CRC is computed using a procedure similar to ETHERNET CRC [ITU32],
+ modified to reflect transport level usage.
+
+ CRC computation uses polynomial division. A message bit-string M is
+ transformed to a polynomial, M(X), and the CRC is calculated from
+ M(X) using polynomial arithmetic [Peterson 72].
+
+ When CRCs are used at the link layer, the polynomial is derived from
+ on-the-wire bit ordering: the first bit 'on the wire' is the high-
+ order coefficient. Since SCTP is a transport-level protocol, it
+ cannot know the actual serial-media bit ordering. Moreover,
+ different links in the path between SCTP endpoints may use different
+ link-level bit orders.
+
+ A convention must therefore be established for mapping SCTP transport
+ messages to polynomials for purposes of CRC computation. The bit-
+ ordering for mapping SCTP messages to polynomials is that bytes are
+ taken most-significant first; but within each byte, bits are taken
+ least-significant first. The first byte of the message provides the
+ eight highest coefficients. Within each byte, the least-significant
+ SCTP bit gives the most significant polynomial coefficient within
+
+
+
+Stone, et. al. Standards Track [Page 4]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+ that byte, and the most-significant SCTP bit is the least significant
+ polynomial coefficient in that byte. (This bit ordering is sometimes
+ called 'mirrored' or 'reflected' [Williams93].) CRC polynomials are
+ to be transformed back into SCTP transport-level byte values, using a
+ consistent mapping.
+
+ The SCTP transport-level CRC value should be calculated as follows:
+
+ - CRC input data are assigned to a byte stream, numbered from 0
+ to N-1.
+
+ - the transport-level byte-stream is mapped to a polynomial
+ value. An N-byte PDU with j bytes numbered 0 to N-1, is
+ considered as coefficients of a polynomial M(x) of order 8N-1,
+ with bit 0 of byte j being coefficient x^(8(N-j)-8), bit 7 of
+ byte j being coefficient x^(8(N-j)-1).
+
+ - the CRC remainder register is initialized with all 1s and the
+ CRC is computed with an algorithm that simultaneously
+ multiplies by x^32 and divides by the CRC polynomial.
+
+ - the polynomial is multiplied by x^32 and divided by G(x), the
+ generator polynomial, producing a remainder R(x) of degree less
+ than or equal to 31.
+
+ - the coefficients of R(x) are considered a 32 bit sequence.
+
+ - the bit sequence is complemented. The result is the CRC
+ polynomial.
+
+ - The CRC polynomial is mapped back into SCTP transport-level
+ bytes. Coefficient of x^31 gives the value of bit 7 of SCTP
+ byte 0, the coefficient of x^24 gives the value of bit 0 of
+ byte 0. The coefficient of x^7 gives bit 7 of byte 3 and the
+ coefficient of x^0 gives bit 0 of byte 3. The resulting four-
+ byte transport-level sequence is the 32-bit SCTP checksum
+ value.
+
+ IMPLEMENTATION NOTE: Standards documents, textbooks, and vendor
+ literature on CRCs often follow an alternative formulation, in which
+ the register used to hold the remainder of the long-division
+ algorithm is initialized to zero rather than all-1s, and instead the
+ first 32 bits of the message are complemented. The long-division
+ algorithm used in our formulation is specified, such that the the
+ initial multiplication by 2^32 and the long-division are combined
+ into one simultaneous operation. For such algorithms, and for
+ messages longer than 64 bits, the two specifications are precisely
+ equivalent. That equivalence is the intent of this document.
+
+
+
+Stone, et. al. Standards Track [Page 5]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+ Implementors of SCTP are warned that both specifications are to be
+ found in the literature, sometimes with no restriction on the long-
+ division algorithm. The choice of formulation in this document is to
+ permit non-SCTP usage, where the same CRC algorithm may be used to
+ protect messages shorter than 64 bits.
+
+ If SCTP could follow link level CRC use, the CRC would be computed
+ over the link-level bit-stream. The first bit on the link mapping to
+ the highest-order coefficient, and so on, down to the last link-level
+ bit as the lowest-order coefficient. The CRC value would be
+ transmitted immediately after the input message as a link-level
+ 'trailer'. The resulting link-level bit-stream would be (M(X)x) *
+ x^32) + (M(X)*x^32))/ G(x), which is divisible by G(X). There would
+ thus be a constant CRC remainder for 'good' packets. However, given
+ that implementations of RFC 2960 have already proliferated, the IETF
+ discussions considered that the benefit of a 'trailer' CRC did not
+ outweigh the cost of making a very large change in the protocol
+ processing. Further, packets accepted by the SCTP 'header' CRC are
+ in one-to-one correspondence with packets accepted by a modified
+ procedure using a 'trailer' CRC value, and where the SCTP common
+ checksum header is set to zero on transmission and is received as
+ zero.
+
+ There may be a computational advantage in validating the Association
+ against the Verification Tag, prior to performing a checksum, as
+ invalid tags will result in the same action as a bad checksum in most
+ cases. The exceptions for this technique would be INIT and some
+ SHUTDOWN-COMPLETE exchanges, as well as a stale COOKIE-ECHO. These
+ special case exchanges must represent small packets and will minimize
+ the effect of the checksum calculation.
+
+3 Security Considerations
+
+ In general, the security considerations of RFC 2960 apply to the
+ protocol with the new checksum as well.
+
+4 IANA Considerations
+
+ There are no IANA considerations required in this document.
+
+
+
+
+
+
+
+
+
+
+
+
+Stone, et. al. Standards Track [Page 6]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+5 Acknowledgments
+
+ The authors would like to thank the following people that have
+ provided comments and input on the checksum issue:
+
+ Mark Adler, Ran Atkinson, Stephen Bailey, David Black, Scott Bradner,
+ Mikael Degermark, Laurent Glaude, Klaus Gradischnig, Alf Heidermark,
+ Jacob Heitz, Gareth Kiely, David Lehmann, Allision Mankin, Lyndon
+ Ong, Craig Partridge, Vern Paxson, Kacheong Poon, Michael Ramalho,
+ David Reed, Ian Rytina, Hanns Juergen Schwarzbauer, Chip Sharp, Bill
+ Sommerfeld, Michael Tuexen, Jim Williams, Jim Wendt, Michael Welzl,
+ Jonathan Wood, Lloyd Wood, Qiaobing Xie, La Monte Yarroll.
+
+ Special thanks to Dafna Scheinwald, Julian Satran, Pat Thaler, Matt
+ Wakeley, and Vince Cavanna, for selection criteria of polynomials and
+ examination of CRC polynomials, particularly CRC-32c [Castagnoli93].
+
+ Special thanks to Mr. Ross Williams and his document [Williams93].
+ This non-formal perspective on software aspects of CRCs furthered
+ understanding of authors previously unfamiliar with CRC computation.
+ More formal treatments of [Blahut 94] or [Peterson 72], was also
+ essential.
+
+6 References
+
+ [Castagnoli93] G. Castagnoli, S. Braeuer and M. Herrman,
+ "Optimization of Cyclic Redundancy-Check Codes with
+ 24 and 32 Parity Bits", IEEE Transactions on
+ Communications, Vol. 41, No. 6, June 1993
+
+ [McKee75] H. McKee, "Improved {CRC} techniques detects
+ erroneous leading and trailing 0's in transmitted
+ data blocks", Computer Design Volume 14 Number 10
+ Pages 102-4,106, October 1975
+
+ [RFC1700] Reynolds, J. and J. Postel, "ASSIGNED NUMBERS", RFC
+ 1700, October 1994.
+
+ [RFC2026] Bradner, S., "The Internet Standards Process --
+ Revision 3", BCP 9, RFC 2026, October 1996.
+
+ [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
+ Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+ [RFC2960] Stewart, R., Xie, Q., Morneault, K., Sharp, C.,
+ Schwarzbauer, H., Taylor, T., Rytina, I., Kalla, M.,
+ Zhang, L. and V. Paxson, "Stream Control Transmission
+ Protocol," RFC 2960, October 2000.
+
+
+
+Stone, et. al. Standards Track [Page 7]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+ [ITU32] ITU-T Recommendation V.42, "Error-correcting
+ procedures for DCEs using asynchronous-to-synchronous
+ conversion", section 8.1.1.6.2, October 1996.
+
+7.1 Informative References
+
+ [STONE] Stone, J., "Checksums in the Internet", Doctoral
+ dissertation - August 2001.
+
+ [Williams93] Williams, R., "A PAINLESS GUIDE TO CRC ERROR
+ DETECTION ALGORITHMS" - Internet publication, August
+ 1993,
+ http://www.geocities.com/SiliconValley/Pines/
+ 8659/crc.htm.
+
+ [Blahut 1994] R.E. Blahut, Theory and Practice of Error Control
+ Codes, Addison-Wesley, 1994.
+
+ [Easics 2001] http://www.easics.be/webtools/crctool. Online tools
+ for synthesis of CRC Verilog and VHDL.
+
+ [Feldmeier 95] David C. Feldmeier, Fast software implementation of
+ error detection codes, IEEE Transactions on
+ Networking, vol 3 no 6, pp 640-651, December, 1995.
+
+ [Glaise 1997] R. J. Glaise, A two-step computation of cyclic
+ redundancy code CRC-32 for ATM networks, IBM Journal
+ of Research and Development} vol 41 no 6, 1997.
+ http://www.research.ibm.com/journal/rd/416/
+ glaise.html.
+
+ [Prange 1957] E. Prange, Cyclic Error-Correcting codes in two
+ symbols, Technical report AFCRC-TN-57-103, Air Force
+ Cambridge Research Center, Cambridge, Mass. 1957.
+
+ [Peterson 1972] W. W. Peterson and E.J Weldon, Error Correcting
+ Codes, 2nd. edition, MIT Press, Cambridge,
+ Massachusetts.
+
+ [Shie2001] Ming-Der Shieh et. al, A Systematic Approach for
+ Parallel CRC Computations. Journal of Information
+ Science and Engineering, Vol.17 No.3, pp.445-461
+
+ [Sprachman2001] Michael Sprachman, Automatic Generation of Parallel
+ CRC Circuits, IEEE Design & Test May-June 2001
+
+
+
+
+
+
+Stone, et. al. Standards Track [Page 8]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+Appendix
+
+ This appendix is for information only and is NOT part of the
+ standard.
+
+ The anticipated deployment of SCTP ranges over several orders of
+ magnitude of link speed: from cellular-power telephony devices at
+ tens of kilobits, to local links at tens of gigabits. Implementors
+ of SCTP should consider their link speed and choose, from the wide
+ range of CRC implementations, one which matches their own design
+ point for size, cost, and throughput. Many techniques for computing
+ CRCs are known. This Appendix surveys just a few, to give a feel for
+ the range of techniques available.
+
+ CRCs are derived from early work by Prange in the 1950s [Prange 57].
+ The theory underlying CRCs and choice of generator polynomial can be
+ introduced by either the theory of Galois fields [Blahut 94] or as
+ ideals of an algebra over cyclic codes [cite Peterson 72].
+
+ One of the simplest techniques is direct bit-serial hardware
+ implementations, using the generator polynomial as the taps of a
+ linear feedback shift register (LSFR). LSFR computation follows
+ directly from the mathematics, and is generally attributed to Prange.
+ Tools exist which, a CRC generator polynomial, will produce
+ synthesizable Verilog code for CRC hardware [Easics 2001].
+
+ Since LSFRs do not scale well in speed, a variety of other techniques
+ have been explored. One technique exploits the fact that the divisor
+ of the polynomial long-division, G, is known in advance. It is thus
+ possible to pre-compute lookup tables giving the polynomial remainder
+ of multiple input bits --- typically 2, 4, or 8 bits of input at a
+ time. This technique can be used either in software or in hardware.
+ Software to compute lookup tables yielding 2, 4, or 8 bits of result
+ is freely available. [Williams93]
+
+ For multi-gigabit links, the above techniques may still not be fast
+ enough. One technique for computing CRCS at OC-48 rates is 'two-
+ stage' CRC computation [Glaise 1997]. Here, some multiple of G(x),
+ G(x)H(x), is chosen so as to minimize the number of nonzero
+ coefficients, or weight, of the product G(x)H(x). The low weight of
+ the product polynomial makes it susceptible to efficient hardware
+ divide-by-constant implementations. This first stage gives M(x)/
+ (G(x)H(x)), as its result. The second stage then divides the result
+ of the first stage by H(x), yielding (M(x)/(G(x)H(x)))/H(x). If H(x)
+ is also relatively prime to G(x), this gives M(x)/G(x). Further
+ developments on this approach can be found in [Shie2001] and
+ [Sprachman2001].
+
+
+
+
+Stone, et. al. Standards Track [Page 9]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+ The literature also includes a variety of software CRC
+ implementations. One approach is to use a carefully-tuned assembly
+ code for direct polynomial division. [Feldmeier 95] reports that for
+ low-weight polynomials, tuned polynomial arithmetic gives higher
+ throughput than table-lookup algorithms. Even within table-lookup
+ algorithms, the size of the table can be tuned, either for total
+ cache footprint, or (for space-restricted environments) to minimize
+ total size.
+
+ Implementors should keep in mind, the bit ordering described in
+ Section 2: the ordering of bits within bytes for computing CRCs in
+ SCTP is the least significant bit of each byte is the most-
+ significant polynomial coefficient(and vice-versa). This 'reflected'
+ SCTP CRC bit ordering matches on-the-wire bit order for Ethernet and
+ other serial media, but is the reverse of traditional Internet bit
+ ordering.
+
+ One technique to accommodate this bit-reversal can be explained as
+ follows: sketch out a hardware implementation, assuming the bits are
+ in CRC bit order; then perform a left-to-right inversion (mirror
+ image) on the entire algorithm. (We defer, for a moment, the issue
+ of byte order within words.) Then compute that "mirror image" in
+ software. The CRC from the "mirror image" algorithm will be the
+ bit-reversal of a correct hardware implementation. When the link-
+ level media sends each byte, the byte is sent in the reverse of the
+ host CPU bit-order. Serialization of each byte of the "reflected"
+ CRC value re-reverses the bit order, so in the end, each byte will be
+ transmitted on-the-wire in the specified bit order.
+
+ The following non-normative sample code is taken from an open-source
+ CRC generator [Williams93], using the "mirroring" technique and
+ yielding a lookup table for SCTP CRC32-c with 256 entries, each 32
+ bits wide. While neither especially slow nor especially fast, as
+ software table-lookup CRCs go, it has the advantage of working on
+ both big-endian and little-endian CPUs, using the same (host-order)
+ lookup tables, and using only the pre-defined ntohl() and htonl()
+ operations. The code is somewhat modified from [Williams93], to
+ ensure portability between big-endian and little-endian
+ architectures. (Note that if the byte endian-ness of the target
+ architecture is known to be little-endian the final bit-reversal and
+ byte-reversal steps can be folded into a single operation.)
+
+
+
+
+
+
+
+
+
+
+Stone, et. al. Standards Track [Page 10]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+/*************************************************************/
+/* Note Definition for Ross Williams table generator would */
+/* be: TB_WIDTH=4, TB_POLLY=0x1EDC6F41, TB_REVER=TRUE */
+/* For Mr. Williams direct calculation code use the settings */
+/* cm_width=32, cm_poly=0x1EDC6F41, cm_init=0xFFFFFFFF, */
+/* cm_refin=TRUE, cm_refot=TRUE, cm_xorort=0x00000000 */
+/*************************************************************/
+
+/* Example of the crc table file */
+#ifndef __crc32cr_table_h__
+#define __crc32cr_table_h__
+
+#define CRC32C_POLY 0x1EDC6F41
+#define CRC32C(c,d) (c=(c>>8)^crc_c[(c^(d))&0xFF])
+
+unsigned long crc_c[256] =
+{
+0x00000000L, 0xF26B8303L, 0xE13B70F7L, 0x1350F3F4L,
+0xC79A971FL, 0x35F1141CL, 0x26A1E7E8L, 0xD4CA64EBL,
+0x8AD958CFL, 0x78B2DBCCL, 0x6BE22838L, 0x9989AB3BL,
+0x4D43CFD0L, 0xBF284CD3L, 0xAC78BF27L, 0x5E133C24L,
+0x105EC76FL, 0xE235446CL, 0xF165B798L, 0x030E349BL,
+0xD7C45070L, 0x25AFD373L, 0x36FF2087L, 0xC494A384L,
+0x9A879FA0L, 0x68EC1CA3L, 0x7BBCEF57L, 0x89D76C54L,
+0x5D1D08BFL, 0xAF768BBCL, 0xBC267848L, 0x4E4DFB4BL,
+0x20BD8EDEL, 0xD2D60DDDL, 0xC186FE29L, 0x33ED7D2AL,
+0xE72719C1L, 0x154C9AC2L, 0x061C6936L, 0xF477EA35L,
+0xAA64D611L, 0x580F5512L, 0x4B5FA6E6L, 0xB93425E5L,
+0x6DFE410EL, 0x9F95C20DL, 0x8CC531F9L, 0x7EAEB2FAL,
+0x30E349B1L, 0xC288CAB2L, 0xD1D83946L, 0x23B3BA45L,
+0xF779DEAEL, 0x05125DADL, 0x1642AE59L, 0xE4292D5AL,
+0xBA3A117EL, 0x4851927DL, 0x5B016189L, 0xA96AE28AL,
+0x7DA08661L, 0x8FCB0562L, 0x9C9BF696L, 0x6EF07595L,
+0x417B1DBCL, 0xB3109EBFL, 0xA0406D4BL, 0x522BEE48L,
+0x86E18AA3L, 0x748A09A0L, 0x67DAFA54L, 0x95B17957L,
+0xCBA24573L, 0x39C9C670L, 0x2A993584L, 0xD8F2B687L,
+0x0C38D26CL, 0xFE53516FL, 0xED03A29BL, 0x1F682198L,
+0x5125DAD3L, 0xA34E59D0L, 0xB01EAA24L, 0x42752927L,
+0x96BF4DCCL, 0x64D4CECFL, 0x77843D3BL, 0x85EFBE38L,
+0xDBFC821CL, 0x2997011FL, 0x3AC7F2EBL, 0xC8AC71E8L,
+0x1C661503L, 0xEE0D9600L, 0xFD5D65F4L, 0x0F36E6F7L,
+0x61C69362L, 0x93AD1061L, 0x80FDE395L, 0x72966096L,
+0xA65C047DL, 0x5437877EL, 0x4767748AL, 0xB50CF789L,
+0xEB1FCBADL, 0x197448AEL, 0x0A24BB5AL, 0xF84F3859L,
+0x2C855CB2L, 0xDEEEDFB1L, 0xCDBE2C45L, 0x3FD5AF46L,
+0x7198540DL, 0x83F3D70EL, 0x90A324FAL, 0x62C8A7F9L,
+0xB602C312L, 0x44694011L, 0x5739B3E5L, 0xA55230E6L,
+0xFB410CC2L, 0x092A8FC1L, 0x1A7A7C35L, 0xE811FF36L,
+
+
+
+Stone, et. al. Standards Track [Page 11]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+0x3CDB9BDDL, 0xCEB018DEL, 0xDDE0EB2AL, 0x2F8B6829L,
+0x82F63B78L, 0x709DB87BL, 0x63CD4B8FL, 0x91A6C88CL,
+0x456CAC67L, 0xB7072F64L, 0xA457DC90L, 0x563C5F93L,
+0x082F63B7L, 0xFA44E0B4L, 0xE9141340L, 0x1B7F9043L,
+0xCFB5F4A8L, 0x3DDE77ABL, 0x2E8E845FL, 0xDCE5075CL,
+0x92A8FC17L, 0x60C37F14L, 0x73938CE0L, 0x81F80FE3L,
+0x55326B08L, 0xA759E80BL, 0xB4091BFFL, 0x466298FCL,
+0x1871A4D8L, 0xEA1A27DBL, 0xF94AD42FL, 0x0B21572CL,
+0xDFEB33C7L, 0x2D80B0C4L, 0x3ED04330L, 0xCCBBC033L,
+0xA24BB5A6L, 0x502036A5L, 0x4370C551L, 0xB11B4652L,
+0x65D122B9L, 0x97BAA1BAL, 0x84EA524EL, 0x7681D14DL,
+0x2892ED69L, 0xDAF96E6AL, 0xC9A99D9EL, 0x3BC21E9DL,
+0xEF087A76L, 0x1D63F975L, 0x0E330A81L, 0xFC588982L,
+0xB21572C9L, 0x407EF1CAL, 0x532E023EL, 0xA145813DL,
+0x758FE5D6L, 0x87E466D5L, 0x94B49521L, 0x66DF1622L,
+0x38CC2A06L, 0xCAA7A905L, 0xD9F75AF1L, 0x2B9CD9F2L,
+0xFF56BD19L, 0x0D3D3E1AL, 0x1E6DCDEEL, 0xEC064EEDL,
+0xC38D26C4L, 0x31E6A5C7L, 0x22B65633L, 0xD0DDD530L,
+0x0417B1DBL, 0xF67C32D8L, 0xE52CC12CL, 0x1747422FL,
+0x49547E0BL, 0xBB3FFD08L, 0xA86F0EFCL, 0x5A048DFFL,
+0x8ECEE914L, 0x7CA56A17L, 0x6FF599E3L, 0x9D9E1AE0L,
+0xD3D3E1ABL, 0x21B862A8L, 0x32E8915CL, 0xC083125FL,
+0x144976B4L, 0xE622F5B7L, 0xF5720643L, 0x07198540L,
+0x590AB964L, 0xAB613A67L, 0xB831C993L, 0x4A5A4A90L,
+0x9E902E7BL, 0x6CFBAD78L, 0x7FAB5E8CL, 0x8DC0DD8FL,
+0xE330A81AL, 0x115B2B19L, 0x020BD8EDL, 0xF0605BEEL,
+0x24AA3F05L, 0xD6C1BC06L, 0xC5914FF2L, 0x37FACCF1L,
+0x69E9F0D5L, 0x9B8273D6L, 0x88D28022L, 0x7AB90321L,
+0xAE7367CAL, 0x5C18E4C9L, 0x4F48173DL, 0xBD23943EL,
+0xF36E6F75L, 0x0105EC76L, 0x12551F82L, 0xE03E9C81L,
+0x34F4F86AL, 0xC69F7B69L, 0xD5CF889DL, 0x27A40B9EL,
+0x79B737BAL, 0x8BDCB4B9L, 0x988C474DL, 0x6AE7C44EL,
+0xBE2DA0A5L, 0x4C4623A6L, 0x5F16D052L, 0xAD7D5351L,
+};
+
+#endif
+
+ /* Example of table build routine */
+
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define OUTPUT_FILE "crc32cr.h"
+#define CRC32C_POLY 0x1EDC6F41L
+FILE *tf;
+
+
+
+
+Stone, et. al. Standards Track [Page 12]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+unsigned long
+reflect_32 (unsigned long b)
+{
+ int i;
+ unsigned long rw = 0L;
+
+ for (i = 0; i < 32; i++){
+ if (b & 1)
+ rw |= 1 << (31 - i);
+ b >>= 1;
+ }
+ return (rw);
+}
+
+unsigned long
+build_crc_table (int index)
+{
+ int i;
+ unsigned long rb;
+
+ rb = reflect_32 (index);
+
+ for (i = 0; i < 8; i++){
+ if (rb & 0x80000000L)
+ rb = (rb << 1) ^ CRC32C_POLY;
+ else
+ rb <<= 1;
+ }
+ return (reflect_32 (rb));
+}
+
+main ()
+{
+ int i;
+
+ printf ("\nGenerating CRC-32c table file <%s>\n", OUTPUT_FILE);
+ if ((tf = fopen (OUTPUT_FILE, "w")) == NULL){
+ printf ("Unable to open %s\n", OUTPUT_FILE);
+ exit (1);
+ }
+ fprintf (tf, "#ifndef __crc32cr_table_h__\n");
+ fprintf (tf, "#define __crc32cr_table_h__\n\n");
+ fprintf (tf, "#define CRC32C_POLY 0x%08lX\n", CRC32C_POLY);
+ fprintf (tf, "#define CRC32C(c,d) (c=(c>>8)^crc_c[(c^(d))&0xFF])\n");
+ fprintf (tf, "\nunsigned long crc_c[256] =\n{\n");
+ for (i = 0; i < 256; i++){
+ fprintf (tf, "0x%08lXL, ", build_crc_table (i));
+ if ((i & 3) == 3)
+
+
+
+Stone, et. al. Standards Track [Page 13]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+ fprintf (tf, "\n");
+ }
+ fprintf (tf, "};\n\n#endif\n");
+
+ if (fclose (tf) != 0)
+ printf ("Unable to close <%s>." OUTPUT_FILE);
+ else
+ printf ("\nThe CRC-32c table has been written to <%s>.\n",
+ OUTPUT_FILE);
+}
+
+
+
+/* Example of crc insertion */
+
+#include "crc32cr.h"
+
+unsigned long
+generate_crc32c(unsigned char *buffer, unsigned int length)
+{
+ unsigned int i;
+ unsigned long crc32 = ~0L;
+ unsigned long result;
+ unsigned char byte0,byte1,byte2,byte3;
+
+ for (i = 0; i < length; i++){
+ CRC32C(crc32, buffer[i]);
+ }
+ result = ~crc32;
+
+ /* result now holds the negated polynomial remainder;
+ * since the table and algorithm is "reflected" [williams95].
+ * That is, result has the same value as if we mapped the message
+ * to a polynomial, computed the host-bit-order polynomial
+ * remainder, performed final negation, then did an end-for-end
+ * bit-reversal.
+ * Note that a 32-bit bit-reversal is identical to four inplace
+ * 8-bit reversals followed by an end-for-end byteswap.
+ * In other words, the bytes of each bit are in the right order,
+ * but the bytes have been byteswapped. So we now do an explicit
+ * byteswap. On a little-endian machine, this byteswap and
+ * the final ntohl cancel out and could be elided.
+ */
+
+ byte0 = result & 0xff;
+ byte1 = (result>>8) & 0xff;
+ byte2 = (result>>16) & 0xff;
+ byte3 = (result>>24) & 0xff;
+
+
+
+Stone, et. al. Standards Track [Page 14]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+ crc32 = ((byte0 << 24) |
+ (byte1 << 16) |
+ (byte2 << 8) |
+ byte3);
+ return ( crc32 );
+}
+
+int
+insert_crc32(unsigned char *buffer, unsigned int length)
+{
+ SCTP_message *message;
+ unsigned long crc32;
+ message = (SCTP_message *) buffer;
+ message->common_header.checksum = 0L;
+ crc32 = generate_crc32c(buffer,length);
+ /* and insert it into the message */
+ message->common_header.checksum = htonl(crc32);
+ return 1;
+}
+
+int
+validate_crc32(unsigned char *buffer, unsigned int length)
+{
+ SCTP_message *message;
+ unsigned int i;
+ unsigned long original_crc32;
+ unsigned long crc32 = ~0L;
+
+ /* save and zero checksum */
+ message = (SCTP_message *) buffer;
+ original_crc32 = ntohl(message->common_header.checksum);
+ message->common_header.checksum = 0L;
+ crc32 = generate_crc32c(buffer,length);
+ return ((original_crc32 == crc32)? 1 : -1);
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stone, et. al. Standards Track [Page 15]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+Authors' Addresses
+
+ Jonathan Stone
+ Room 446, Mail code 9040
+ Gates building 4A
+ Stanford, Ca 94305
+
+ EMail: jonathan@dsg.stanford.edu
+
+
+ Randall R. Stewart
+ 24 Burning Bush Trail.
+ Crystal Lake, IL 60012
+ USA
+
+ EMail: rrs@cisco.com
+
+
+ Douglas Otis
+ 800 E. Middlefield
+ Mountain View, CA 94043
+ USA
+
+ EMail: dotis@sanlight.net
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stone, et. al. Standards Track [Page 16]
+\f
+RFC 3309 SCTP Checksum Change September 2002
+
+
+Full Copyright Statement
+
+ Copyright (C) The Internet Society (2002). All Rights Reserved.
+
+ This document and translations of it may be copied and furnished to
+ others, and derivative works that comment on or otherwise explain it
+ or assist in its implementation may be prepared, copied, published
+ and distributed, in whole or in part, without restriction of any
+ kind, provided that the above copyright notice and this paragraph are
+ included on all such copies and derivative works. However, this
+ document itself may not be modified in any way, such as by removing
+ the copyright notice or references to the Internet Society or other
+ Internet organizations, except as needed for the purpose of
+ developing Internet standards in which case the procedures for
+ copyrights defined in the Internet Standards process must be
+ followed, or as required to translate it into languages other than
+ English.
+
+ The limited permissions granted above are perpetual and will not be
+ revoked by the Internet Society or its successors or assigns.
+
+ This document and the information contained herein is provided on an
+ "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
+ TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
+ BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
+ HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
+ MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Acknowledgement
+
+ Funding for the RFC Editor function is currently provided by the
+ Internet Society.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stone, et. al. Standards Track [Page 17]
+\f
--- /dev/null
+
+
+
+
+
+
+Network Working Group R. Stewart
+Request for Comments: 3758 M. Ramalho
+Category: Standards Track Cisco Systems, Inc.
+ Q. Xie
+ Motorola, Inc.
+ M. Tuexen
+ Univ. of Applied Sciences Muenster
+ P. Conrad
+ University of Delaware
+ May 2004
+
+
+ Stream Control Transmission Protocol (SCTP)
+ Partial Reliability Extension
+
+Status of this Memo
+
+ This document specifies an Internet standards track protocol for the
+ Internet community, and requests discussion and suggestions for
+ improvements. Please refer to the current edition of the "Internet
+ Official Protocol Standards" (STD 1) for the standardization state
+ and status of this protocol. Distribution of this memo is unlimited.
+
+Copyright Notice
+
+ Copyright (C) The Internet Society (2004). All Rights Reserved.
+
+Abstract
+
+ This memo describes an extension to the Stream Control Transmission
+ Protocol (SCTP) that allows an SCTP endpoint to signal to its peer
+ that it should move the cumulative ack point forward. When both
+ sides of an SCTP association support this extension, it can be used
+ by an SCTP implementation to provide partially reliable data
+ transmission service to an upper layer protocol. This memo describes
+ the protocol extensions, which consist of a new parameter for INIT
+ and INIT ACK, and a new FORWARD TSN chunk type, and provides one
+ example of a partially reliable service that can be provided to the
+ upper layer via this mechanism.
+
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Standards Track [Page 1]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+Table of Contents
+
+ 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 2
+ 1.1. Overview of Protocol Extensions. . . . . . . . . . . . . 2
+ 1.2. Overview of New Services Provided to the Upper Layer . . 3
+ 1.3. Benefits of PR-SCTP . . . . . . . . . . . . . . . . . . 4
+ 2. Conventions. . . . . . . . . . . . . . . . . . . . . . . . . . 5
+ 3. Protocol Changes to support PR-SCTP . . . . . . . . . . . . . 5
+ 3.1. Forward-TSN-Supported Parameter For INIT and INIT ACK. . 5
+ 3.2. Forward Cumulative TSN Chunk Definition (FORWARD TSN). . 5
+ 3.3. Negotiation of Forward-TSN-Supported parameter . . . . . 7
+ 3.3.1. Sending Forward-TSN-Supported param in INIT . . . 7
+ 3.3.2. Receipt of Forward-TSN-Supported parameter in
+ INIT or INIT-ACK. . . . . . . . . . . . . . . . . 7
+ 3.3.3. Receipt of Op. Error for Forward-TSN-Supported
+ Param . . . . . . . . . . . . . . . . . . . . . . 8
+ 3.4. Definition of "abandoned" in the context of PR-SCTP. . . 8
+ 3.5. Sender Side Implementation of PR-SCTP. . . . . . . . . . 9
+ 3.6. Receiver Side Implementation of PR-SCTP. . . . . . . . . 12
+ 4. Services provided by PR-SCTP to the upper layer. . . . . . . . 14
+ 4.1. PR-SCTP Service Definition for "timed reliability" . . . 15
+ 4.2. PR-SCTP Association Establishment. . . . . . . . . . . . 16
+ 4.3. Guidelines for defining other PR-SCTP Services . . . . . 17
+ 4.4. Usage Notes. . . . . . . . . . . . . . . . . . . . . . . 19
+ 5. Variables. . . . . . . . . . . . . . . . . . . . . . . . . . . 19
+ 6. Acknowledgments. . . . . . . . . . . . . . . . . . . . . . . . 19
+ 7. Security Considerations. . . . . . . . . . . . . . . . . . . . 19
+ 8. IANA Considerations. . . . . . . . . . . . . . . . . . . . . . 20
+ 9. References . . . . . . . . . . . . . . . . . . . . . . . . . . 20
+ 9.1. Normative References . . . . . . . . . . . . . . . . . . 20
+ 9.2. Informative References . . . . . . . . . . . . . . . . . 20
+ 10. Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . 20
+ 11. Full Copyright Statement . . . . . . . . . . . . . . . . . . .
+
+1. Introduction
+
+ This memo describes an extension to the Stream Control Transmission
+ Protocol (SCTP) RFC 2960 [2] that allows an SCTP sender to signal to
+ its peer that it should no longer expect to receive one or more DATA
+ chunks.
+
+1.1. Overview of Protocol Extensions
+
+ The protocol extension described in this document consists of two new
+ elements:
+
+ 1. a single new parameter in the INIT/INIT-ACK exchange that
+ indicates whether the endpoint supports the extension
+
+
+
+Stewart, et al. Standards Track [Page 2]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ 2. a single new chunk type, FORWARD TSN, that indicates that the
+ receiver should move its cumulative ack point forward (possibly
+ skipping past one or more DATA chunks that may not yet have been
+ received and/or acknowledged.)
+
+1.2. Overview of New Services Provided to the Upper Layer
+
+ When this extension is supported by both sides of an SCTP
+ association, it can be used to provide partially reliable transport
+ service over an SCTP association. We define partially reliable
+ transport service as a service that allows the user to specify, on a
+ per message basis, the rules governing how persistent the transport
+ service should be in attempting to send the message to the receiver.
+
+ One example of partially reliable service is specified in this
+ document, namely a "timed reliability" service. This service allows
+ the service user to indicate a limit on the duration of time that the
+ sender should try to transmit/retransmit the message (this is a
+ natural extension of the "lifetime" parameter already in the base
+ protocol).
+
+ In addition to this example, we will also show that defining the
+ semantics of a particular partially reliable service involves two
+ elements, namely:
+
+ 1. how the service user indicates the level of reliability required
+ for a particular message, and
+
+ 2. how the sender side implementation uses that reliability level to
+ determine when to give up on further retransmissions of that
+ message.
+
+ Note that other than the fact that the FORWARD-TSN chunk is required,
+ neither of these two elements impacts the "on-the-wire" protocol;
+ only the API and the sender side implementation are affected by the
+ way in which the service is defined to the upper layer. Therefore,
+ in principle, it is feasible to implement many varieties of partially
+ reliable services in a particular SCTP implementation without
+ changing the on-the-wire protocol. Also, the SCTP receiver does not
+ necessarily need to know which semantics of partially reliable
+ service are being used by the sender, since the receiver's only role
+ is to correctly interpret FORWARD TSN chunks, thereby skipping past
+ messages that the sender has decided to no longer transmit (or
+ retransmit).
+
+ Nevertheless, it is recommended that a limited number of standard
+ definitions of partially reliable services be standardized by the
+ IETF so that the designers of IETF application layer protocols can
+
+
+
+Stewart, et al. Standards Track [Page 3]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ match the requirements of their upper layer protocols to standard
+ service definitions provided by a particular SCTP implementation.
+ One such definition, "timed reliability", is included in this
+ document. Given the extensions proposed in this document, other
+ definitions may be standardized as the need arises without further
+ changes to the on-the-wire protocol.
+
+1.3. Benefits of PR-SCTP
+
+ Hereafter, we use the notation "Partial Reliable Stream Control
+ Transmission Protocol (PR-SCTP)" to refer to the SCTP protocol,
+ extended as defined in this document.
+
+ The following are some of the advantages for integrating partially
+ reliable data service into SCTP, i.e., benefits of PR-SCTP:
+
+ 1. Some application layer protocols may benefit from being able to
+ use a single SCTP association to carry both reliable content, --
+ such as text pages, billing and accounting information, setup
+ signaling -- and unreliable content, e.g., state that is highly
+ sensitive to timeliness, where generating a new packet is more
+ advantageous than transmitting an old one [3].
+
+ 2. Partially reliable data traffic carried by PR-SCTP will enjoy the
+ same communication failure detection and protection capabilities
+ as the normal reliable SCTP data traffic does. This includes the
+ ability to quickly detect a failed destination address, fail-over
+ to an alternate destination address, and be notified if the data
+ receiver becomes unreachable.
+
+ 3. In addition to providing unordered, unreliable data transfer as
+ UDP does, PR-SCTP can provide ordered, unreliable data transfer
+ service.
+
+ 4. PR-SCTP employs the same congestion control and congestion
+ avoidance for all data traffic, whether reliable or partially
+ reliable - this is very desirable since SCTP enforces TCP-
+ friendliness (unlike UDP.)
+
+ 5. Because of the chunk bundling function of SCTP, reliable and
+ unreliable messages can be multiplexed over a single PR-SCTP
+ association. Therefore, the number of IP datagrams (and hence the
+ network overhead) can be reduced instead of having to send these
+ different types of data using separate protocols. Additionally,
+ this multiplexing allows for port savings versus using different
+ ports for reliable and unreliable connections.
+
+
+
+
+
+Stewart, et al. Standards Track [Page 4]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+2. Conventions
+
+ The keywords MUST, MUST NOT, REQUIRED, SHALL, SHALL NOT, SHOULD,
+ SHOULD NOT, RECOMMENDED, NOT RECOMMENDED, MAY, and OPTIONAL, when
+ they appear in this document, are to be interpreted as described in
+ BCP 14, RFC 2119 [1].
+
+ Comparisons and arithmetic on Transport Sequence Numbers (TSNs) are
+ governed by the rules in Section 1.6 of RFC 2960 [2].
+
+3. Protocol Changes to support PR-SCTP
+
+3.1. Forward-TSN-Supported Parameter For INIT and INIT ACK
+
+ The following new OPTIONAL parameter is added to the INIT and INIT
+ ACK chunks.
+
+ Parameter Name Status Type Value
+ -------------------------------------------------------------
+ Forward-TSN-Supported OPTIONAL 49152 (0xC000)
+
+ At the initialization of the association, the sender of the INIT or
+ INIT ACK chunk MAY include this OPTIONAL parameter to inform its peer
+ that it is able to support the Forward TSN chunk (see Section 3.3 for
+ further details). The format of this parameter is defined as
+ follows:
+
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Parameter Type = 49152 | Parameter Length = 4 |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ Type: 16 bit u_int
+
+ 49152, indicating Forward-TSN-Supported parameter
+
+ Length: 16 bit u_int
+
+ Indicates the size of the parameter, i.e., 4.
+
+3.2 Forward Cumulative TSN Chunk Definition (FORWARD TSN)
+
+ The following new chunk type is defined:
+
+ Chunk Type Chunk Name
+ ------------------------------------------------------
+ 192 (0xC0) Forward Cumulative TSN (FORWARD TSN)
+
+
+
+
+Stewart, et al. Standards Track [Page 5]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ This chunk shall be used by the data sender to inform the data
+ receiver to adjust its cumulative received TSN point forward because
+ some missing TSNs are associated with data chunks that SHOULD NOT be
+ transmitted or retransmitted by the sender.
+
+ Forward Cumulative TSN chunk has the following format:
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Type = 192 | Flags = 0x00 | Length = Variable |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | New Cumulative TSN |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Stream-1 | Stream Sequence-1 |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ \ /
+ / \
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Stream-N | Stream Sequence-N |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ Chunk Flags:
+
+ Set to all zeros on transmit and ignored on receipt.
+
+ New Cumulative TSN: 32 bit u_int
+
+ This indicates the new cumulative TSN to the data receiver. Upon
+ the reception of this value, the data receiver MUST consider
+ any missing TSNs earlier than or equal to this value as received,
+ and stop reporting them as gaps in any subsequent SACKs.
+
+ Stream-N: 16 bit u_int
+
+ This field holds a stream number that was skipped by this
+ FWD-TSN.
+
+ Stream Sequence-N: 16 bit u_int
+
+ This field holds the sequence number associated with the stream
+ that was skipped. The stream sequence field holds the largest
+ stream sequence number in this stream being skipped. The receiver
+ of the FWD-TSN's can use the Stream-N and Stream Sequence-N fields
+ to enable delivery of any stranded TSN's that remain on the stream
+ re-ordering queues. This field MUST NOT report TSN's corresponding
+ to DATA chunks that are marked as unordered. For ordered DATA
+ chunks this field MUST be filled in.
+
+
+
+Stewart, et al. Standards Track [Page 6]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+3.3. Negotiation of Forward-TSN-Supported parameter
+
+3.3.1. Sending Forward-TSN-Supported param in INIT
+
+ If an SCTP endpoint supports the FORWARD TSN chunk, then any time it
+ sends an INIT during association establishment, it MAY include the
+ Forward-TSN-supported parameter in the INIT chunk to indicate this
+ fact to its peer.
+
+ Note that if the endpoint chooses NOT to include the parameter, then
+ at no time during the life of the association can it send or process
+ a FORWARD TSN. It MUST instead act as if it does NOT support the
+ FORWARD TSN chunk, returning an ERROR to the peer upon receipt of any
+ FORWARD TSN.
+
+3.3.2. Receipt of Forward-TSN-Supported parameter in INIT or INIT-ACK
+
+ When a receiver of an INIT detects a Forward-TSN-Supported parameter
+ and does not support the Forward-TSN chunk type, the receiver MUST
+ follow the rules defined in Section 3.3.3 of RFC 2960 [2].
+
+ When a receiver of an INIT-ACK detects a Forward-TSN-Supported
+ parameter and it does not support the Forward-TSN chunk type, the
+ receiver MUST follow the rules defined in Section 3.3.3 of RFC 2960
+ [2].
+
+ When a receiver of an INIT detects a Forward-TSN-Supported parameter
+ and it does support the Forward-TSN chunk type, the receiver MAY
+ respond with a Forward-TSN-supported parameter in the INIT-ACK chunk.
+
+ Note that if the endpoint chooses NOT to include the parameter, then
+ at no time during the life of the association can it send or process
+ a FORWARD TSN. It MUST instead act as if it does NOT support the
+ FORWARD TSN chunk, returning an ERROR to the peer upon receipt of any
+ FORWARD TSN.
+
+ When an endpoint that supports the FORWARD TSN chunk receives an INIT
+ that does not contain the Forward-TSN-Supported Parameter, that
+ endpoint:
+
+ o MAY include the Forward-TSN-Supported parameter in the INIT-ACK,
+ o SHOULD record the fact that the peer does not support the FORWARD
+ TSN chunk,
+ o MUST NOT send a FORWARD TSN chunk at any time during the
+ associations life,
+ o SHOULD inform the upper layer if the upper layer has requested
+ such notification.
+
+
+
+
+Stewart, et al. Standards Track [Page 7]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+3.3.3. Receipt of Op. Error for Forward-TSN-Supported Param
+
+ When an SCTP endpoint that desires to use the FORWARD TSN chunk
+ feature for partially reliable data transfer receives an operational
+ error from the remote endpoint (either bundled with the COOKIE or as
+ an unrecognized parameter in the INIT-ACK), indicating that the
+ remote endpoint does not recognize the Forward-TSN-Supported
+ parameter, the local endpoint SHOULD inform its upper layer of the
+ remote endpoint's inability to support partially reliable data
+ transfer.
+
+ The local endpoint may then choose to either:
+
+ 1) end the initiation process (in cases where the initiation process
+ has already ended, the endpoint may need to send an ABORT) in
+ consideration of the peer's inability to supply the requested
+ features for the new association, or
+
+ 2) continue the initiation process (in cases where the initiation
+ process has already completed, the endpoint MUST just mark the
+ association as not supporting partial reliability), but with the
+ understanding that partially reliable data transmission is not
+ supported. In this case, the endpoint receiving the operational
+ error SHOULD note that the FORWARD TSN chunk is not supported, and
+ MUST NOT transmit a FORWARD TSN chunk at any time during the life
+ of the association.
+
+3.4. Definition of "abandoned" in the context of PR-SCTP
+
+ At some point, a sending PR-SCTP implementation MAY determine that a
+ particular data chunk SHOULD NOT be transmitted or retransmitted
+ further, in accordance with the rules governing some particular PR-
+ SCTP service definition (such as the definition of "timed
+ reliability" in Section 4.1.) For purposes of this document, we
+ define the term "abandoned" to refer to any data chunk about which
+ the SCTP sender has made this determination.
+
+ Each PR-SCTP service defines the rules for determining when a TSN is
+ "abandoned", and accordingly, the rules that govern how, whether, and
+ when to "abandon" a TSN may vary from one service definition to
+ another. However, the rules governing the actions taken when a TSN
+ is "abandoned" do NOT vary between service definitions; these rules
+ are included in Section 3.5.
+
+
+
+
+
+
+
+
+Stewart, et al. Standards Track [Page 8]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+3.5. Sender Side Implementation of PR-SCTP
+
+ The sender side implementation of PR-SCTP is identical to that of the
+ base SCTP protocol, except for:
+
+ o actions a sending side PR-SCTP implementation must take when a TSN
+ is "abandoned" (as per the rules of whatever PR-SCTP service
+ definition is in effect)
+ o special actions that a PR-SCTP implementation must take upon
+ receipt of SACK
+ o rules governing the generation of FORWARD TSN chunks.
+
+ In detail, these exceptions are as follows:
+
+ A1) The sender maintains an "Advanced.Peer.Ack.Point" for each peer
+ to track a theoretical cumulative TSN point of the peer (Note,
+ this is a _new_ protocol variable and its value is NOT
+ necessarily the same as the SCTP "Cumulative TSN Ack Point" as
+ defined in Section 1.4 of RFC 2960 [2], and as discussed
+ throughout that document.)
+
+ A2) From time to time, as governed by the rules of a particular PR-
+ SCTP service definition (see Section 4), the SCTP data sender may
+ make a determination that a particular data chunk that has
+ already been assigned a TSN SHOULD be "abandoned".
+
+ When a data chunk is "abandoned", the sender MUST treat the data
+ chunk as being finally acked and no longer outstanding.
+
+ The sender MUST NOT credit an "abandoned" data chunk to the
+ partial_bytes_acked as defined in Section 7.2.2 of RFC 2960 [2],
+ and MUST NOT advance the cwnd based on this "abandoned" data
+ chunk.
+
+ A3) When a TSN is "abandoned", if it is part of a fragmented message,
+ all other TSN's within that fragmented message MUST be abandoned
+ at the same time.
+
+ A4) Whenever the data sender receives a SACK from the data receiver,
+ it MUST first process the SACK using the normal procedures as
+ defined in Section 6.2.1 of RFC 2960 [2].
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Standards Track [Page 9]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ The data sender MUST then perform the following additional steps:
+
+ C1) Let SackCumAck be the Cumulative TSN ACK carried in the
+ received SACK.
+
+ If (Advanced.Peer.Ack.Point < SackCumAck), then update
+ Advanced.Peer.Ack.Point to be equal to SackCumAck.
+
+ C2) Try to further advance the "Advanced.Peer.Ack.Point" locally,
+ that is, to move "Advanced.Peer.Ack.Point" up as long as the
+ chunk next in the out-queue space is marked as "abandoned",
+ as shown in the following example:
+
+ Assuming that a SACK arrived with the Cumulative TSN ACK =
+ 102 and the Advanced.Peer.Ack.Point is updated to this
+ value:
+
+ out-queue at the end of ==> out-queue after Adv.Ack.Point
+ normal SACK processing local advancement
+
+ ... ...
+ Adv.Ack.Pt-> 102 acked 102 acked
+ 103 abandoned 103 abandoned
+ 104 abandoned Adv.Ack.P-> 104 abandoned
+ 105 105
+ 106 acked 106 acked
+ ... ...
+
+ In this example, the data sender successfully advanced the
+ "Advanced.Peer.Ack.Point" from 102 to 104 locally.
+
+ C3) If, after step C1 and C2, the "Advanced.Peer.Ack.Point" is
+ greater than the Cumulative TSN ACK carried in the received
+ SACK, the data sender MUST send the data receiver a FORWARD
+ TSN chunk containing the latest value of the
+ "Advanced.Peer.Ack.Point". Note that the sender MAY delay
+ the sending of a FORWARD TSN as defined in rule F2 below.
+ IMPLEMENTATION NOTE: It is an implementation decision as to
+ which destination address it is to be sent to, the only
+ restriction being that the address MUST be one that is
+ CONFIRMED.
+
+ C4) For each "abandoned" TSN, the sender of the FORWARD TSN MUST
+ determine if the chunk has a valid stream and sequence number
+ (i.e., it was ordered). If the chunk has a valid stream and
+ sequence number, the sender MUST include the stream and
+ sequence number in the FORWARD TSN. This information will
+ enable the receiver to easily find any stranded TSN's waiting
+
+
+
+Stewart, et al. Standards Track [Page 10]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ on stream reorder queues. Each stream SHOULD only be
+ reported once; this means that if multiple abandoned messages
+ occur in the same stream, then only the highest abandoned
+ stream sequence number is reported. If the total size of the
+ FORWARD TSN does NOT fit in a single MTU, then the sender of
+ the FORWARD TSN SHOULD lower the Advanced.Peer.Ack.Point to
+ the last TSN that will fit in a single MTU.
+
+ C5) If a FORWARD TSN is sent, the sender MUST assure that at
+ least one T3-rtx timer is running. IMPLEMENTATION NOTE: Any
+ destination's timer may be used for the purposes of rule C5.
+
+ A5) Any time the T3-rtx timer expires, on any destination, the sender
+ SHOULD try to advance the "Advanced.Peer.Ack.Point" by following
+ the procedures outlined in C2 - C5.
+
+ The following additional rules govern the generation of FORWARD TSN
+ chunks:
+
+ F1) An endpoint MUST NOT use the FORWARD TSN for any purposes other
+ than circumstances described in this document.
+
+ F2) The data sender SHOULD always attempt to bundle an outgoing
+ FORWARD TSN with outbound DATA chunks for efficiency.
+
+ A sender MAY even choose to delay the sending of the FORWARD TSN
+ in the hope of bundling it with an outbound DATA chunk.
+
+ IMPLEMENTATION NOTE: An implementation may wish to limit the
+ number of duplicate FORWARD TSN chunks it sends by either only
+ sending a duplicate FORWARD TSN every other SACK or waiting a
+ full RTT before sending a duplicate FORWARD TSN.
+
+ IMPLEMENTATION NOTE: An implementation may allow the maximum
+ delay for generating a FORWARD TSN to be configured either
+ statically or dynamically in order to meet the specific timing
+ requirements of the protocol being carried, but see the next
+ rule:
+
+ F3) Any delay applied to the sending of FORWARD TSN chunk SHOULD NOT
+ exceed 200ms and MUST NOT exceed 500ms. In other words, an
+ implementation MAY lower this value below 500ms but MUST NOT
+ raise it above 500ms.
+
+ NOTE: Delaying the sending of FORWARD TSN chunks may cause delays
+ in the receiver's ability to deliver other data being held at the
+ receiver for re-ordering. The values of 200ms and 500ms match
+
+
+
+
+Stewart, et al. Standards Track [Page 11]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ the required values for the delayed acknowledgement in RFC 2960
+ [2] since delaying a FORWARD TSN has the same consequences but in
+ the reverse direction.
+
+ F4) The detection criterion for out-of-order SACKs MUST remain the
+ same as stated in RFC 2960, that is, a SACK is only considered
+ out-of-order if the Cumulative TSN ACK carried in the SACK is
+ earlier than that of the previous received SACK (i.e., the
+ comparison MUST NOT be made against "Advanced.Peer.Ack.Point").
+
+ F5) If the decision to "abandon" a chunk is made, no matter how such
+ a decision is made, the appropriate congestion adjustment MUST be
+ made as specified in RFC 2960 if the chunk would have been marked
+ for retransmission later (e.g., either by T3-Timeout or by Fast
+ Retransmit).
+
+3.6. Receiver Side Implementation of PR-SCTP
+
+ The receiver side implementation of PR-SCTP at an SCTP endpoint A is
+ capable of supporting any PR-SCTP service definition used by the
+ sender at endpoint B, even if that service definition is not
+ supported by the sending side functionality of host A. All that is
+ necessary is that the receiving side correctly handle the Forward-
+ TSN-Supported parameter as specified in Section 3.3, and correctly
+ handle the receipt of FORWARD TSN chunks as specified below.
+
+ DATA chunk arrival at a PR-SCTP receiver proceeds exactly as for DATA
+ chunk arrival at a base protocol SCTP receiver---that is, the
+ receiver MUST perform the same TSN handling, including duplicate
+ detection, gap detection, SACK generation, cumulative TSN
+ advancement, etc. as defined in RFC 2960 [2]---with the following
+ exceptions and additions.
+
+ When a FORWARD TSN chunk arrives, the data receiver MUST first update
+ its cumulative TSN point to the value carried in the FORWARD TSN
+ chunk, and then MUST further advance its cumulative TSN point locally
+ if possible, as shown by the following example:
+
+ Assuming that the new cumulative TSN carried in the arrived
+ FORWARD TSN is 103:
+
+ in-queue before processing in-queue after processing
+ the FORWARD TSN ==> the FORWARD TSN and further
+ advancement
+
+
+
+
+
+
+
+Stewart, et al. Standards Track [Page 12]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ cum.TSN.Pt-> 102 received 102 --
+ 103 missing 103 --
+ 104 received 104 --
+ 105 received cum.TSN.Pt-> 105 received
+ 106 missing 106 missing
+ 107 received 107 received
+ ... ...
+
+ In this example, the receiver's cumulative TSN point is first
+ updated to 103 and then further advanced to 105.
+
+ After the above processing, the data receiver MUST stop reporting any
+ missing TSNs earlier than or equal to the new cumulative TSN point.
+
+ Note, if the "New Cumulative TSN" value carried in the arrived
+ FORWARD TSN chunk is found to be behind or at the current cumulative
+ TSN point, the data receiver MUST treat this FORWARD TSN as out-of-
+ date and MUST NOT update its Cumulative TSN. The receiver SHOULD
+ send a SACK to its peer (the sender of the FORWARD TSN) since such a
+ duplicate may indicate the previous SACK was lost in the network.
+
+ Any time a FORWARD TSN chunk arrives, for the purposes of sending a
+ SACK, the receiver MUST follow the same rules as if a DATA chunk had
+ been received (i.e., follow the delayed sack rules specified in RFC
+ 2960 [2] section 6.2).
+
+ Whenever a DATA chunk arrives with the 'U' bit set to '0' (indicating
+ ordered delivery) and is out of order, the receiver must hold the
+ chunk for reordering. Since it is possible with PR-SCTP that a DATA
+ chunk being waited upon will not be retransmitted, special actions
+ will need to be taken upon the arrival of a FORWARD TSN.
+
+ In particular, during processing of a FORWARD TSN, the receiver MUST
+ use the stream sequence information to examine all of the listed
+ stream reordering queues, and immediately make available for delivery
+ stream sequence numbers earlier than or equal to the stream sequence
+ number listed inside the FORWARD TSN. Any such stranded data SHOULD
+ be made immediately available to the upper layer application.
+
+ An application using PR-SCTP receiving data should be aware of
+ possible missing messages. The stream sequence number can be used,
+ in such a case, to determine that an intervening message has been
+ skipped. When intervening messages are missing, it is an application
+ decision to process the messages or to take some other corrective
+ action.
+
+
+
+
+
+
+Stewart, et al. Standards Track [Page 13]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ After receiving and processing a FORWARD TSN, the data receiver MUST
+ take cautions in updating its re-assembly queue. The receiver MUST
+ remove any partially reassembled message, which is still missing one
+ or more TSNs earlier than or equal to the new cumulative TSN point.
+ In the event that the receiver has invoked the partial delivery API,
+ a notification SHOULD also be generated to inform the upper layer API
+ that the message being partially delivered will NOT be completed.
+
+ Note that after receiving a FORWARD TSN and updating the cumulative
+ acknowledgement point, if a TSN that was skipped does arrive (i.e.,
+ due to network reordering), then the receiver will follow the normal
+ rules defined in RFC 2960 [2] for handling duplicate data. This
+ implies that the receiver will drop the chunk and report it as a
+ duplicate in the next outbound SACK chunk.
+
+4. Services provided by PR-SCTP to the upper layer
+
+ As described in Section 1.2, it is feasible to implement a variety of
+ partially reliable transport services using the new protocol
+ mechanisms introduced in Section 3; introducing these new services
+ requires making changes only at the sending side API, and the sending
+ side protocol implementation. Thus, there may be a temptation to
+ standardize only the protocol, and leave the service definition as
+ "implementation specific" or leave it to be defined in
+ "informational" documents.
+
+ However, for those who may wish to write IETF standards for upper
+ layer protocols implemented over PR-SCTP, it is important to be able
+ to refer to a standard definition of services provided. Therefore,
+ this section provides example definitions of one such service, while
+ also providing guidelines for the definition of additional services
+ as required. Each such service may be proposed as a separate new
+ RFC.
+
+ Section 4 is organized as follows:
+
+ o Section 4.1 provides the definition of one specific PR-SCTP
+ service: timed reliability.
+
+ o Section 4.2 describes how a particular PR-SCTP service definition
+ is requested by the upper layer during association establishment,
+ and how the upper layer is notified if that request cannot be
+ satisfied.
+
+ o Section 4.3 then provides guidelines for the specification of PR-
+ SCTP services other then the one defined in this memo.
+
+
+
+
+
+Stewart, et al. Standards Track [Page 14]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ o Finally, Section 4.4 describes some additional usage notes that
+ upper layer protocol designers and implementors may find helpful.
+
+4.1. PR-SCTP Service Definition for "timed reliability"
+
+ The "timed reliability" service is a natural extension of the
+ "lifetime" concept already present in the base SCTP protocol.
+
+ When this service is requested for an SCTP association, it changes
+ the meaning of the lifetime parameter specified in the SEND primitive
+ (see Section 10.1, part (E) of RFC 2960 [2]; note that the parameter
+ is spelled "life time" in that document.)
+
+ In the base SCTP protocol, the lifetime parameter is used to avoid
+ sending stale data. When a lifetime value is indicated for a
+ particular message and that lifetime expires, SCTP cancels the
+ sending of this message, and notifies the ULP if the first
+ transmission of the data does not take place (because of rwnd or cwnd
+ limitations, or for any other reason). However, in the base
+ protocol, if SCTP has sent the first transmission before the lifetime
+ expires, then the message MUST be sent as a normal reliable message.
+ During episodes of congestion this is particularly unfortunate, as
+ retransmission wastes bandwidth that could have been used for other
+ (non-lifetime expired) messages.
+
+ When the "timed reliability" service is invoked, this latter
+ restriction is removed. Specifically, when the "timed reliability"
+ service is in effect, the following rules govern all messages that
+ are sent with a lifetime parameter:
+
+ TR1) If the lifetime parameter of a message is SCTP_LIFETIME_RELIABLE
+ (or unspecified see Section 5), that message is treated as a
+ normal reliable SCTP message, just as in the base SCTP protocol.
+
+ TR2) If the lifetime parameter is not SCTP_LIFETIME_RELIABLE (see
+ Section 5), then the SCTP sender MUST treat the message just as
+ if it were a normal reliable SCTP message, as long as the
+ lifetime has not yet expired.
+
+ TR3) Before assigning a TSN to any message, the SCTP sender MUST
+ evaluate the lifetime of that message. If it is expired, the
+ SCTP sender MUST NOT assign a TSN to that message, but instead,
+ SHOULD issue a notification to the upper layer and abandon the
+ message.
+
+ TR4) Before transmitting or retransmitting a message for which a TSN
+ is already assigned, the SCTP sender MUST evaluate the lifetime
+ of the message. If the lifetime of the message is expired, the
+
+
+
+Stewart, et al. Standards Track [Page 15]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ SCTP sender MUST "abandon" the message, as per the rules
+ specified in Section 3.5 marking that TSN as eligible for
+ forward TSN. Note that this meets the requirement G1 defined in
+ Section 4.3. IMPLEMENTATION NOTE: An implementation SHOULD
+ delay TSN assignment as mentioned in RFC 2960 [2] Section 10.1.
+ In such a case, the lifetime parameter should be checked BEFORE
+ assigning a TSN, thus allowing a message to be abandoned without
+ the need to send a FORWARD TSN.
+
+ TR5) The sending SCTP MAY evaluate the lifetime of messages at
+ anytime. Expired messages that have not been assigned a TSN MAY
+ be handled as per rule TR3. Expired messages that HAVE been
+ assigned a TSN MAY be handled as per rule TR4.
+
+ TR6) The sending application MUST NOT change the lifetime parameter
+ once the message is passed to the sending SCTP.
+
+ Implementation Note: Rules TR1 through TR4 are designed in such a way
+ as to avoid requiring the implementer to maintain a separate timer
+ for each message; instead, the lifetime need only be evaluated at
+ points in the life of the message where actions are already being
+ taken, such as TSN assignment, transmission, or expiration of a
+ retransmission timeout. Rule TR5 is intended to give the SCTP
+ implementor flexibility to evaluate lifetime at any other convenient
+ opportunity, WITHOUT requiring that lifetime be evaluated immediately
+ at the point in time where it expires.
+
+4.2. PR-SCTP Association Establishment
+
+ An upper layer protocol (ULP) that uses PR-SCTP may need to know
+ whether PR-SCTP can be supported on a given association. Therefore,
+ the ULP needs to have some indication of whether the FORWARD-TSN
+ chunk is supported by its peer.
+
+ Section 10.1 of RFC 2960 [2] describes abstract primitives for the
+ ULP-to-SCTP interface, while noting that "individual implementations
+ must define their own exact format, and may provide combinations or
+ subsets of the basic functions in single calls."
+
+ In this section, we describe one additional return value that may be
+ added to the ASSOCIATE primitive to allow an SCTP service user to
+ indicate whether the FORWARD-TSN chunk is supported by its peer.
+
+ RFC 2960 indicates that the ASSOCIATE primitive "allows the upper
+ layer to initiate an association to a specific peer endpoint". It is
+ structured as follows:
+
+
+
+
+
+Stewart, et al. Standards Track [Page 16]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ Format: ASSOCIATE(local SCTP instance name, destination transport
+ addr, outbound stream count)
+ -> association id [,destination transport addr list]
+ [,outbound stream count]
+
+ This extension adds one new OPTIONAL return value, such that the new
+ primitive reads as follows:
+
+ Format: ASSOCIATE(local SCTP instance name, destination transport
+ addr, outbound stream count )
+ -> association id [,destination transport addr list]
+ [,outbound stream count] [,forward tsn supported]
+
+ NOTE: As per RFC 2960, if the ASSOCIATE primitive is implemented as a
+ non-blocking call, the new OPTIONAL return value shall be passed with
+ the association parameters using the COMMUNICATION UP notification.
+
+ The new OPTIONAL parameter "forward tsn supported" is a boolean flag:
+
+ (0) false [default] indicates that FORWARD TSN is not enabled by both
+ endpoints.
+
+ (1) true indicates that FORWARD TSN is enabled on both endpoints.
+
+ We also add a new primitive to allow the user application to enable/
+ disable the PR-SCTP service on its endpoint before an association is
+ established.
+
+ Format: ENABLE_PRSCTP(local SCTP instance name, boolean enable)
+
+ The boolean parameter enable, if set to true, will enable PR-SCTP
+ upon future endpoint associations. If the boolean parameter is set
+ to false, then the local endpoint will not advertise support of PR-
+ SCTP and thus disable the feature on future associations. It is
+ recommended that this option be disabled by default, i.e., in order
+ to enable PR-SCTP, the user will need to call this API option with
+ the enable flag set to "true".
+
+4.3. Guidelines for defining other PR-SCTP Services
+
+ Other PR-SCTP services may be defined and implemented as dictated by
+ the needs of upper layer protocols. If such upper layer protocols
+ are to be standardized and require some particular PR-SCTP service
+ other than the one defined in this document (i.e., "timed
+ reliability"), then those additional PR-SCTP services should also be
+ specified and standardized in a new RFC.
+
+
+
+
+
+Stewart, et al. Standards Track [Page 17]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ It is suggested that any such additional service definitions be
+ modeled after the contents of Section 4.1. In particular, the
+ service definition should provide:
+
+ 1. A description of how the service user specifies any parameters
+ that need to be associated with a particular message (and/or any
+ other communication that takes place between the application and
+ the SCTP transport sender) that provides the SCTP transport sender
+ with the information needed to determine when to give up on
+ transmission of a particular message.
+
+ Preferably, this description should reference the primitives in
+ the abstract API provided in Section 10 of RFC 2960 [2],
+ indicating any:
+
+ * changes to the interpretation of the existing parameters of
+ existing primitives,
+
+ * additional parameters to be added to existing primitives (these
+ should be OPTIONAL, and default values should be indicated),
+
+ * additional primitives that may be needed.
+
+ 2. A description of the rules used by the sender side implementation
+ to determine when to give up on messages that have not yet been
+ assigned a TSN. This description should also indicate what
+ protocol events trigger the evaluation, and what actions to take
+ (e.g., notifications.)
+
+ 3. A description of the rules used by the sender side implementation
+ to determine when to give up on the transmission or retransmission
+ of messages that have already been assigned a TSN, and may have
+ been transmitted and possibly retransmitted zero or more times.
+
+ Items (2) and (3) in the list above should also indicate what
+ protocol events trigger the evaluation, and what actions to take if
+ the determination is made that the sender should give up on
+ transmitting the message (e.g., notifications to the ULP.)
+
+ Note that in any PR-SCTP service, the following rule MUST be
+ specified to avoid a protocol deadlock:
+
+ (G1) When the sender side implementation gives up on transmitting a
+ message that has been assigned a TSN (i.e., when that message is
+ "abandoned", as defined in Section 3.4), the sender side MUST
+ mark that TSN as eligible for forward TSN, and the rules in
+ Section 3.4 regarding the sending of FORWARD TSN chunks MUST be
+ followed.
+
+
+
+Stewart, et al. Standards Track [Page 18]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ Finally, a PR-SCTP service definition should specify a "canonical
+ service name" to uniquely identify the service, and distinguish it
+ from other PR-SCTP services. This name can then be used in upper
+ layer protocol standards to indicate which PR-SCTP service definition
+ is required by that upper layer protocol. It can also be used in the
+ documentation of APIs of PR-SCTP implementations to indicate how an
+ upper layer indicates which definition of PR-SCTP service should
+ apply. The canonical service name for the PR-SCTP service defined in
+ Section 4.1 is "timed reliability".
+
+4.4. Usage Notes
+
+ Detecting missing data in a PR-SCTP stream is useful for some
+ applications (e.g., Fibre channel or SCSI over IP). With PR-SCTP,
+ this becomes possible - the upper layer simply needs to examine the
+ stream sequence number of the arrived user messages of that stream to
+ detect any missing data. Note, this detection only works when all
+ the messages on that stream are sent in order, i.e., the "U" bit is
+ not set.
+
+5. Variables
+
+ This section defines variables used throughout this document:
+
+ SCTP_LIFETIME_RELIABLE - A user interface indication defined by an
+ implementation and used to indicate when a message is to be
+ considered fully reliable.
+
+6. Acknowledgments
+
+ The authors would like to thank Brian Bidulock, Scott Bradner, Jon
+ Berger, Armando L. Caro Jr., John Loughney, Jon Peterson, Ivan Arias
+ Rodriguez, Ian Rytina, Chip Sharp, and others for their comments.
+
+7. Security Considerations
+
+ This document does not introduce any new security concerns to SCTP
+ other than the ones already documented in RFC 2960 [2]. In
+ particular, this document shares the same security issues as
+ unordered data within RFC 2960 [2] identified by RFC 3436 [4]. An
+ application using the PR-SCTP extension should not use transport
+ layer security; further details can be found in RFC 3436 [4].
+
+ Note that the ability to cause a message to be skipped (i.e, the
+ FORWARD TSN chunk) does not provide any new attack for a Man-In-the-
+ Middle (MIM), since the MIM already is capable of changing and/or
+ withholding data, thus effectively skipping messages. However, the
+ FORWARD TSN chunk does provide a mechanism to make it easier for a
+
+
+
+Stewart, et al. Standards Track [Page 19]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ MIM to skip selective messages when the application has this feature
+ enabled since the MIM would have less state to maintain.
+
+8. IANA Considerations
+
+ IANA has assigned 192 as a new chunk type to SCTP.
+
+ IANA has assigned 49152 as a new parameter type code to SCTP.
+
+9. References
+
+9.1. Normative References
+
+ [1] Bradner, S., "Key words for use in RFCs to Indicate Requirement
+ Levels", BCP 14, RFC 2119, March 1997.
+
+ [2] Stewart, R., Xie, Q., Morneault, K., Sharp, C., Schwarzbauer,
+ H., Taylor, T., Rytina, I., Kalla, M., Zhang, L. and V. Paxson,
+ "Stream Control Transmission Protocol", RFC 2960, October 2000.
+
+9.2. Informative References
+
+ [3] Clark, D. and D. Tennenhouse, "Architectural Considerations for
+ a New Generation of Protocols", SIGCOMM 1990 pp. 200-208,
+ September 1990.
+
+ [4] Jungmaier, A., Rescorla, E. and M. Tuexen, "Transport Layer
+ Security over Stream Control Transmission Protocol", RFC 3436,
+ December 2002.
+
+10. Authors' Addresses
+
+ Randall R. Stewart
+ Cisco Systems, Inc.
+ 8725 West Higgins Road
+ Suite 300
+ Chicago, IL 60631
+ USA
+
+ Phone: +1-815-477-2127
+ EMail: rrs@cisco.com
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Standards Track [Page 20]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+ Michael A. Ramalho
+ Cisco Systems, Inc.
+ 1802 Rue de la Porte
+ Wall Township, NJ 07719-3784
+ USA
+
+ Phone: +1.732.449.5762
+ EMail: mramalho@cisco.com
+
+
+ Qiaobing Xie
+ Motorola, Inc.
+ 1501 W. Shure Drive, #2309
+ Arlington Heights, IL 60004
+ USA
+
+ Phone: +1-847-632-3028
+ EMail: qxie1@email.mot.com
+
+
+ Michael Tuexen
+ Univ. of Applied Sciences Muenster
+ Stegerwaldstr. 39
+ 48565 Steinfurt
+ Germany
+
+ EMail: tuexen@fh-muenster.de
+
+
+ Phillip T. Conrad
+ University of Delaware
+ Department of Computer and Information Sciences
+ Newark, DE 19716
+ USA
+
+ Phone: +1 302 831 8622
+ EMail: conrad@acm.org
+ URI: http://www.cis.udel.edu/~pconrad
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Standards Track [Page 21]
+\f
+RFC 3758 SCTP Partial Reliability Extension May 2004
+
+
+11. Full Copyright Statement
+
+ Copyright (C) The Internet Society (2004). This document is subject
+ to the rights, licenses and restrictions contained in BCP 78, and
+ except as set forth therein, the authors retain all their rights.
+
+ This document and the information contained herein are provided on an
+ "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
+ OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE INTERNET
+ ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED,
+ INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE
+ INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
+ WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Intellectual Property
+
+ The IETF takes no position regarding the validity or scope of any
+ Intellectual Property Rights or other rights that might be claimed to
+ pertain to the implementation or use of the technology described in
+ this document or the extent to which any license under such rights
+ might or might not be available; nor does it represent that it has
+ made any independent effort to identify any such rights. Information
+ on the procedures with respect to rights in RFC documents can be
+ found in BCP 78 and BCP 79.
+
+ Copies of IPR disclosures made to the IETF Secretariat and any
+ assurances of licenses to be made available, or the result of an
+ attempt made to obtain a general license or permission for the use of
+ such proprietary rights by implementers or users of this
+ specification can be obtained from the IETF on-line IPR repository at
+ http://www.ietf.org/ipr.
+
+ The IETF invites any interested party to bring to its attention any
+ copyrights, patents or patent applications, or other proprietary
+ rights that may cover technology that may be required to implement
+ this standard. Please address the information to the IETF at ietf-
+ ipr@ietf.org.
+
+Acknowledgement
+
+ Funding for the RFC Editor function is currently provided by the
+ Internet Society.
+
+
+
+
+
+
+
+
+
+Stewart, et al. Standards Track [Page 22]
+\f
--- /dev/null
+
+
+
+
+
+
+Network Working Group J. Pastor
+Request for Comments: 3873 M. Belinchon
+Category: Standards Track Ericsson
+ September 2004
+
+
+ Stream Control Transmission Protocol (SCTP)
+ Management Information Base (MIB)
+
+Status of this Memo
+
+ This document specifies an Internet standards track protocol for the
+ Internet community, and requests discussion and suggestions for
+ improvements. Please refer to the current edition of the "Internet
+ Official Protocol Standards" (STD 1) for the standardization state
+ and status of this protocol. Distribution of this memo is unlimited.
+
+Copyright Notice
+
+ Copyright (C) The Internet Society (2004).
+
+
+Abstract
+
+ The Stream Control Transmission Protocol (SCTP) is a reliable
+ transport protocol operating on top of a connectionless packet
+ network such as IP. It is designed to transport public switched
+ telephone network (PSTN) signaling messages over the connectionless
+ packet network, but is capable of broader applications.
+
+ This memo defines the Management Information Base (MIB) module which
+ describes the minimum set of objects needed to manage the
+ implementation of the SCTP.
+
+Table of Contents
+
+ 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 2
+ 1.1. Abbreviations. . . . . . . . . . . . . . . . . . . . . . 2
+ 2. The Internet-Standard Management Framework . . . . . . . . . . 3
+ 3. MIB Structure. . . . . . . . . . . . . . . . . . . . . . . . . 3
+ 3.1. SCTP Objects . . . . . . . . . . . . . . . . . . . . . . 4
+ 3.1.1. SCTP Statistics. . . . . . . . . . . . . . . . . 4
+ 3.1.2. SCTP Parameters. . . . . . . . . . . . . . . . . 5
+ 3.1.3. MIB Tables . . . . . . . . . . . . . . . . . . . 5
+ 3.1.3.1. Association Table. . . . . . . . . . . 5
+ 3.1.3.2. Reverse Lookup Table . . . . . . . . . 8
+ 3.2. Conformance. . . . . . . . . . . . . . . . . . . . . . . 9
+ 4. Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . 9
+
+
+
+Pastor & Belinchon Standards Track [Page 1]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ 5. Compiling Notes. . . . . . . . . . . . . . . . . . . . . . . . 42
+ 6. References . . . . . . . . . . . . . . . . . . . . . . . . . . 42
+ 6.1. Normative References . . . . . . . . . . . . . . . . . . 42
+ 6.2. Informative References . . . . . . . . . . . . . . . . . 43
+ 7. Security Considerations. . . . . . . . . . . . . . . . . . . . 44
+ 8. Acknowledgments. . . . . . . . . . . . . . . . . . . . . . . . 45
+ 9. Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . 45
+ 10. Full Copyright Statement . . . . . . . . . . . . . . . . . . . 46
+
+1. Introduction
+
+ This memo defines the Management Information Base (MIB) module which
+ describes managed objects for implementations of the SCTP.
+
+ The document starts with a brief description of the SNMP framework
+ and continues with the MIB explanation and security consideration
+ sections among others.
+
+ The managed objects in this MIB module are based on [RFC2012] update:
+ "Management Information Base for the Transmission Control Protocol
+ (TCP)" referred as [TCPMIB] (work in progress), and RFC 3291 "Textual
+ Conventions for Internet Network Addresses" [RFC3291].
+
+ Terms related to the SCTP architecture are explained in [RFC2960].
+ Other specific abbreviations are listed below.
+
+ The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
+ "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
+ document are to be interpreted as described in [RFC2119].
+
+1.1. Abbreviations
+
+ DNS - Domain Name System
+ IANA - Internet Assigned Numbers Authority
+ IETF - Internet Engineering Task Force
+ IP - Internet Protocol
+ MIB - Management Information Base
+ RFC - Request For Comments
+ RTO - Retransmission Time Out
+ SCTP - Stream Control Transmission Protocol
+ SMI - Structure of Management Information
+ SNMP - Simple Network Management Protocol
+ TCB - Transmission Control Block
+ TCP - Transmission Control Protocol
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 2]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+2. The Internet-Standard Management Framework
+
+ For a detailed overview of the documents that describe the current
+ Internet-Standard Management Framework, please refer to section 7 of
+ RFC 3410 [RFC3410].
+
+ Managed objects are accessed via a virtual information store, termed
+ the Management Information Base or MIB. MIB objects are generally
+ accessed through the Simple Network Management Protocol (SNMP).
+ Objects in the MIB are defined using the mechanisms defined in the
+ Structure of Management Information (SMI). This memo specifies a MIB
+ module that is compliant to the SMIv2, which is described in STD 58,
+ RFC 2578 [RFC2578], STD 58, RFC 2579 [RFC2579] and STD 58, RFC 2580
+ [RFC2580].
+
+3. MIB Structure
+
+ This chapter explains the main objects this MIB defines. A detailed
+ view of the MIB structure with the OID values is below.
+
+ MIB-2 {1 3 6 1 2 1}
+ +--(104)sctpMIB
+ |
+ +--(1) sctpObjects
+ | |
+ | +--(1) sctpStats
+ | | |
+ | | +-- <scalars>
+ | |
+ | +--(2)sctpParameters
+ | | |
+ | | +-- <scalars>
+ | |
+ | +--(3) sctpAssocTable
+ | |
+ | +--(4) sctpAssocLocalAddrTable
+ | |
+ | +--(5) sctpAssocRemAddrTable
+ | |
+ | +--(6) sctpLookupLocalPortTable
+ | |
+ | +--(7) sctpLookupRemPortTable
+ | |
+ | +--(8) sctpLookupRemHostNameTable
+ | |
+ | +--(9) sctpLookupRemPrimIPAddrTable
+ | |
+ | +--(10) sctpLookupRemIPAddrTable
+
+
+
+Pastor & Belinchon Standards Track [Page 3]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ |
+ |
+ +--(2)sctpMibConformance
+ |
+ +--(1) sctpMibCompliances
+ | |
+ | +--(1) sctpMibCompliance
+ |
+ +--(2) sctpMibGroups
+ |
+ +--(1) sctpLayerParamsGroup
+ |
+ +--(2) sctpStatsGroup
+ |
+ +--(3) sctpPerAssocParamsGroup
+ |
+ +--(4) sctpInverseGroup
+
+
+ The main groups are explained further in the MIB definition.
+
+3.1. SCTP Objects
+
+ This branch contains the SCTP statistics and general parameters (both
+ of them scalars) and the SCTP MIB tables.
+
+3.1.1. SCTP Statistics
+
+ The SCTP MIB includes both Counter32s and Counter64s to deal with
+ statistics. Counter64s are used for those counters, which are likely
+ to wrap around in less than one hour, according to [RFC2863].
+
+ In addition Gauge32 is also used.
+
+3.1.1.1. State-Related Statistics
+
+ These statistics are based on the TCP model, but adapted to the SCTP
+ states. They store the number of successful association attempts,
+ how many associations have been initiated by the local or the remote
+ SCTP layer, and the number of associations terminated in a graceful
+ (by means of SHUTDOWN procedure) or ungraceful way (by means of CLOSE
+ procedure).
+
+3.1.1.2. Statistics for traffic Measurements
+
+ This set of objects specifies statistics related to the whole SCTP
+ layer. There are, e.g., statistics related to both SCTP packets and
+ SCTP chunks.
+
+
+
+Pastor & Belinchon Standards Track [Page 4]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ Statistics related to a specific association, or local/remote IP
+ addresses are defined inside their associated table.
+
+3.1.2. SCTP Parameters
+
+ This section of the MIB contains the general variables for the SCTP
+ protocol. Maximum, minimum, initial and default values are listed
+ here.
+
+ SCTP RTO mechanism definition is based on the TCP MIB [TCPMIB]. In
+ SCTP, only options 'other' and 'vanj' are valid since SCTP defines
+ Van Jacobson's algorithm (vanj) as the one to be used to calculate
+ RTO. 'Other' is left for future use.
+
+3.1.3. MIB Tables
+
+ There are several tables included in the SCTP MIB. The first group
+ deals with the SCTP association variables and is composed of a main
+ and two extended tables. The second group is a bunch of tables used
+ to perform reverse lookups.
+
+ It is NOT possible to create rows in any table (sctpAssocTable,
+ sctpAssocLocalAddrTable, sctpRemAddrTable and Reverse Lookup tables)
+ using SNMP.
+
+ It is NOT possible to delete rows in any table using SNMP except in
+ sctpAssocTable under the particular conditions explained below.
+
+3.1.3.1. Association Table
+
+ The sctpAssocTable is the main MIB table, where all the association
+ related information is stored on a per association basis. It is
+ structured according to expanded tables. The main table is called
+ sctpAssocTable and is indexed by sctpAssocId (the association
+ identification). This is a value that uniquely identifies an
+ association. The MIB does not restrict what value must be written
+ here, however it must be unique within the table.
+
+ The sctpAssoc index is also shared by two more tables:
+ - sctpAssocLocalAddrTable: to store the local IP address(es).
+ - sctpAssocRemAddrTable: to store the remote addresses and the
+ per-remote-address related information.
+
+ Entries in the sctpAssocTable are created when trying to establish
+ the association, i.e., when sending the COOKIE-ECHO message
+ (originating side) or the COOKIE-ACK message (server side). At this
+ point, i.e., at established state, all entry fields are filled in
+ with valid values.
+
+
+
+Pastor & Belinchon Standards Track [Page 5]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ Note: The following representation is a conceptual mode of describing
+ the relationship between the tables in this MIB. Note that the real
+ relationship of the tables is by sharing an index, so tables are not
+ truly within tables. Every entry is explained when defining the
+ corresponding objects in the MIB.
+
+ mib-2 {1 3 6 1 2 1}
+ +--(104)sctpMIB
+ |
+ +--(1) sctpObjects
+ | |
+ . .
+ . .
+ |
+ +--(3) sctpAssocTable
+ | |
+ | +--(1) sctpAssocId (index)
+ | |
+ | +--(2) sctpAssocRemHostName
+ | |
+ | +--(3) sctpAssocLocalPort
+ | |
+ | +--(4) sctpAssocRemPort
+ | |
+ | +--(5) sctpAssocRemPrimAddrType
+ | |
+ | +--(6) sctpAssocRemPrimAddr
+ | |
+ | +--(7) sctpAssocHeartBeatInterval
+ | |
+ | +--(8) sctpAssocState
+ | |
+ | +--(9) sctpAssocInStreams
+ | |
+ | +--(10) sctpAssocOutStreams
+ | |
+ | +--(11) sctpAssocMaxRetr
+ | |
+ | +--(12) sctpAssocPrimProcess
+ | |
+ | +--(13) sctpAssocT1expireds
+ | |
+ | +--(14) sctpAssocT2expireds
+ | |
+ | +--(15) sctpAssocRtxChunks
+ | |
+ | +--(16) sctpAssocStartTime
+ | |
+
+
+
+Pastor & Belinchon Standards Track [Page 6]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ | +--(17) sctpAssocDiscontinuityTime
+ |
+ |
+ +--(4) sctpAssocLocalAddrTable
+ | |
+ | |--(-) sctpAssocId (shared index)
+ | |
+ | +--(1) sctpAssocLocalAddrType(index)
+ | |
+ | +--(2) sctpAssocLocalAddr (index)
+ | |
+ | +--(3) sctpAssocLocalAddrStartTime
+ |
+ |
+ +--(5) sctpAssocRemAddrTable
+ | |
+ | |--(-) sctpAssocId (shared index)
+ | |
+ | +--(1) sctpAssocRemAddrType (index)
+ . |
+ . +--(2) sctpAssocRemAddr (index)
+ . |
+ +--(3) sctpAssocRemAddrActive
+ |
+ +--(4) sctpAssocRemAddrHBActive
+ |
+ +--(5) sctpAssocRemAddrRTO
+ |
+ +--(6) sctpAssocRemAddrMaxPathRtx
+ |
+ +--(7) sctpAssocRemAddrRtx
+ |
+ +--(8) sctpAssocRemAddrStartTime
+
+ Both sctpAssocLocalAddrTable and sctpAssocRemAddrTable are indexed by
+ addresses. 'Addr' and 'AddrType' use the syntax InetAddress and
+ InetAddressType defined in the Textual Conventions for Internet
+ Network Address (RFC3291). The InetAddressType TC has codepoints for
+ unknown, IPv4, IPv6, non-global IPv4, non-global IPv6, and DNS
+ addresses, but only the IPv4 and IPv6 address types are required to
+ be supported by implementations of this MIB module. Implementations
+ that connect multiple zones are expected to support the non-global
+ IPv4 and non-global IPv6 address types as well.
+
+ Note that DNS addresses are not used in this MIB module. They are
+ always resolved to the on-the-wire form prior to connection setup,
+ and the on-the-wire form is what appears in the MIB objects.
+
+
+
+
+Pastor & Belinchon Standards Track [Page 7]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ The sctpAssocLocalAddrTable table will have as many entries as local
+ IP addresses have been defined for the association. The
+ sctpAssocRemAddrTable table will contain as many entries as remote IP
+ addresses are known to reach the peer. For the multihoming concept
+ see reference RFC2960.
+
+ To keep the name of the remote peer (when provided by the peer at
+ initialization time), an entry has been created in the sctpAssocTable
+ called sctpAssocRemHostName. When no DNS name is provided by the
+ remote endpoint, this value will be NULL (zero-length string).
+ Otherwise, the received DNS name will be stored here.
+
+ If it is necessary to abort an existing association, the value
+ deleteTCB(9) must be written in the variable sctpAssocState. That is
+ the only way to delete rows in any of the mentioned tables.
+
+3.1.3.2. Reverse Lookup Table
+
+ There are five reverse lookup tables to help management applications
+ efficiently access conceptual rows in other tables. These tables
+ allow management applications to avoid expensive tree walks through
+ large numbers of associations.
+
+ All of these tables are optional. If these tables are implemented,
+ an entry in them must be created after the entry in the main table
+ (sctpAssocTable) associated with it has been created. This ensures
+ that the field indexing the lookup table exists.
+
+ The defined reverse lookup tables allow for performing a lookup using
+ the following variables:
+
+ - Local Port: It allows a management application to find all the
+ associations that use a specific local port
+ - Remote Port: It allows a management application to find all the
+ associations that use a specific remote port
+ - Remote Host Name: It allows a management application to find
+ all the associations with a specific host name.
+ - Remote Primary IP Address: It allows a management application
+ to find all the associations that use a specific remote IP
+ address as primary.
+ - Remote IP address: a management application to find all the
+ associations that use a specific remote IP address.
+
+ As an example the picture below shows the table to look up by local
+ port.
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 8]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ MIB-2 {1 3 6 1 2 1}
+ +--(104)sctpMIB
+ |
+ +--(1) sctpObjects
+ | |
+ . .
+ . .
+ | |
+ | +--(6) sctpLookupLocalPortTable
+ | | |
+ . . +--(-) sctpAssocLocalPort (shared index)
+ . . |
+ +--(-) sctpAssocId (shared index)
+ |
+ +--(1) sctpLookupLocalPortStartTime
+
+ It is not possible for the operator to either create or delete rows
+ in these tables. The rows in this table will dynamically appear and
+ be removed as the corresponding entries in sctpAssocTable are.
+
+3.2. Conformance
+
+ The conformance section recommends all the inverse lookup tables in
+ this MIB as optional. General layer and per association parameters
+ and statistics are considered mandatory.
+
+ IP addresses use the global IPv4 and global IPv6 address formats.
+ Unknown value and DNS name formats are not used. Names, if present,
+ are stored in the sctpRemoteHostName variable.
+
+4. Definitions
+
+ SCTP-MIB DEFINITIONS ::= BEGIN
+
+ IMPORTS
+ MODULE-IDENTITY, OBJECT-TYPE, Integer32, Unsigned32, Gauge32,
+ Counter32, Counter64, mib-2
+ FROM SNMPv2-SMI -- [RFC2578]
+ TimeStamp, TruthValue
+ FROM SNMPv2-TC -- [RFC2579]
+ MODULE-COMPLIANCE, OBJECT-GROUP
+ FROM SNMPv2-CONF -- [RFC2580]
+ InetAddressType, InetAddress, InetPortNumber
+ FROM INET-ADDRESS-MIB; -- [RFC3291]
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 9]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ sctpMIB MODULE-IDENTITY
+ LAST-UPDATED "200409020000Z" -- 2nd September 2004
+ ORGANIZATION "IETF SIGTRAN Working Group"
+ CONTACT-INFO
+ "
+ WG EMail: sigtran@ietf.org
+
+ Web Page:
+ http://www.ietf.org/html.charters/sigtran-charter.html
+
+ Chair: Lyndon Ong
+ Ciena Corporation
+ 0480 Ridgeview Drive
+ Cupertino, CA 95014
+ USA
+ Tel:
+ Email: lyong@ciena.com
+
+ Editors: Maria-Carmen Belinchon
+ R&D Department
+ Ericsson Espana S. A.
+ Via de los Poblados, 13
+ 28033 Madrid
+ Spain
+ Tel: +34 91 339 3535
+ Email: Maria.C.Belinchon@ericsson.com
+
+ Jose-Javier Pastor-Balbas
+ R&D Department
+ Ericsson Espana S. A.
+ Via de los Poblados, 13
+ 28033 Madrid
+ Spain
+ Tel: +34 91 339 1397
+ Email: J.Javier.Pastor@ericsson.com
+ "
+ DESCRIPTION
+ "The MIB module for managing SCTP implementations.
+
+ Copyright (C) The Internet Society (2004). This version of
+ this MIB module is part of RFC 3873; see the RFC itself for
+ full legal notices. "
+
+ REVISION "200409020000Z" -- 2nd September 2004
+
+ DESCRIPTION " Initial version, published as RFC 3873"
+
+ ::= { mib-2 104 }
+
+
+
+Pastor & Belinchon Standards Track [Page 10]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ -- the SCTP base variables group
+
+ sctpObjects OBJECT IDENTIFIER ::= { sctpMIB 1 }
+
+ sctpStats OBJECT IDENTIFIER ::= { sctpObjects 1 }
+ sctpParams OBJECT IDENTIFIER ::= { sctpObjects 2 }
+
+ -- STATISTICS
+ -- **********
+
+ -- STATE-RELATED STATISTICS
+
+ sctpCurrEstab OBJECT-TYPE
+ SYNTAX Gauge32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of associations for which the current state is
+ either ESTABLISHED, SHUTDOWN-RECEIVED or SHUTDOWN-PENDING."
+ REFERENCE
+ "Section 4 in RFC2960 covers the SCTP Association state
+ diagram."
+
+ ::= { sctpStats 1 }
+
+
+ sctpActiveEstabs OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of times that associations have made a direct
+ transition to the ESTABLISHED state from the COOKIE-ECHOED
+ state: COOKIE-ECHOED -> ESTABLISHED. The upper layer initiated
+ the association attempt."
+ REFERENCE
+ "Section 4 in RFC2960 covers the SCTP Association state
+ diagram."
+
+ ::= { sctpStats 2 }
+
+
+
+
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 11]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ sctpPassiveEstabs OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of times that associations have made a direct
+ transition to the ESTABLISHED state from the CLOSED state:
+ CLOSED -> ESTABLISHED. The remote endpoint initiated the
+ association attempt."
+ REFERENCE
+ "Section 4 in RFC2960 covers the SCTP Association state
+ diagram."
+
+ ::= { sctpStats 3 }
+
+
+ sctpAborteds OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of times that associations have made a direct
+ transition to the CLOSED state from any state using the
+ primitive 'ABORT': AnyState --Abort--> CLOSED. Ungraceful
+ termination of the association."
+ REFERENCE
+ "Section 4 in RFC2960 covers the SCTP Association state
+ diagram."
+
+ ::= { sctpStats 4 }
+
+
+ sctpShutdowns OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of times that associations have made a direct
+ transition to the CLOSED state from either the SHUTDOWN-SENT
+ state or the SHUTDOWN-ACK-SENT state. Graceful termination of
+ the association."
+ REFERENCE
+ "Section 4 in RFC2960 covers the SCTP Association state
+ diagram."
+
+ ::= { sctpStats 5 }
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 12]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ -- OTHER LAYER STATISTICS
+
+ sctpOutOfBlues OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of out of the blue packets received by the host.
+ An out of the blue packet is an SCTP packet correctly formed,
+ including the proper checksum, but for which the receiver was
+ unable to identify an appropriate association."
+ REFERENCE
+ "Section 8.4 in RFC2960 deals with the Out-Of-The-Blue
+ (OOTB) packet definition and procedures."
+
+ ::= { sctpStats 6 }
+
+ sctpChecksumErrors OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP packets received with an invalid
+ checksum."
+ REFERENCE
+ "The checksum is located at the end of the SCTP packet as per
+ Section 3.1 in RFC2960. RFC3309 updates SCTP to use a 32 bit
+ CRC checksum."
+
+ ::= { sctpStats 7 }
+
+ sctpOutCtrlChunks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP control chunks sent (retransmissions are
+ not included). Control chunks are those chunks different from
+ DATA."
+ REFERENCE
+ "Sections 1.3.5 and 1.4 in RFC2960 refer to control chunk as
+ those chunks different from those that contain user
+ information, i.e., DATA chunks."
+
+ ::= { sctpStats 8 }
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 13]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ sctpOutOrderChunks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP ordered data chunks sent (retransmissions
+ are not included)."
+ REFERENCE
+ "Section 3.3.1 in RFC2960 defines the ordered data chunk."
+
+ ::= { sctpStats 9 }
+
+ sctpOutUnorderChunks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP unordered chunks (data chunks in which the
+ U bit is set to 1) sent (retransmissions are not included)."
+ REFERENCE
+ "Section 3.3.1 in RFC2960 defines the unordered data chunk."
+
+ ::= { sctpStats 10 }
+
+ sctpInCtrlChunks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP control chunks received (no duplicate
+ chunks included)."
+ REFERENCE
+ "Sections 1.3.5 and 1.4 in RFC2960 refer to control chunk as
+ those chunks different from those that contain user
+ information, i.e., DATA chunks."
+
+ ::= { sctpStats 11 }
+
+
+ sctpInOrderChunks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP ordered data chunks received (no duplicate
+ chunks included)."
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 14]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ REFERENCE
+ "Section 3.3.1 in RFC2960 defines the ordered data chunk."
+
+ ::= { sctpStats 12 }
+
+
+ sctpInUnorderChunks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP unordered chunks (data chunks in which the
+ U bit is set to 1) received (no duplicate chunks included)."
+ REFERENCE
+ "Section 3.3.1 in RFC2960 defines the unordered data chunk."
+
+ ::= { sctpStats 13 }
+
+
+
+ sctpFragUsrMsgs OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+
+ "The number of user messages that have to be fragmented
+ because of the MTU."
+
+ ::= { sctpStats 14 }
+
+
+ sctpReasmUsrMsgs OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of user messages reassembled, after conversion
+ into DATA chunks."
+ REFERENCE
+ "Section 6.9 in RFC2960 includes a description of the
+ reassembly process."
+
+ ::= { sctpStats 15 }
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 15]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ sctpOutSCTPPacks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP packets sent. Retransmitted DATA chunks
+ are included."
+
+ ::= { sctpStats 16 }
+
+
+ sctpInSCTPPacks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP packets received. Duplicates are
+ included."
+
+ ::= { sctpStats 17 }
+
+ sctpDiscontinuityTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime on the most recent occasion at which
+ any one or more of this general statistics counters suffered a
+ discontinuity. The relevant counters are the specific
+ instances associated with this interface of any Counter32 or
+ Counter64 object contained in the SCTP layer statistics
+ (defined below sctpStats branch). If no such discontinuities
+ have occurred since the last re-initialization of the local
+ management subsystem, then this object contains a zero value."
+ REFERENCE
+ "The inclusion of this object is recommended by RFC2578."
+
+ ::= { sctpStats 18 }
+
+
+ -- PROTOCOL GENERAL VARIABLES
+ -- **************************
+
+ sctpRtoAlgorithm OBJECT-TYPE
+ SYNTAX INTEGER {
+ other(1), -- Other new one. Future use
+ vanj(2) -- Van Jacobson's algorithm
+ }
+
+
+
+Pastor & Belinchon Standards Track [Page 16]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The algorithm used to determine the timeout value (T3-rtx)
+ used for re-transmitting unacknowledged chunks."
+ REFERENCE
+ "Section 6.3.1 and 6.3.2 in RFC2960 cover the RTO calculation
+ and retransmission timer rules."
+ DEFVAL {vanj} -- vanj(2)
+
+ ::= { sctpParams 1 }
+
+
+ sctpRtoMin OBJECT-TYPE
+ SYNTAX Unsigned32
+ UNITS "milliseconds"
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The minimum value permitted by a SCTP implementation for the
+ retransmission timeout value, measured in milliseconds. More
+ refined semantics for objects of this type depend upon the
+ algorithm used to determine the retransmission timeout value.
+
+ A retransmission time value of zero means immediate
+ retransmission.
+
+ The value of this object has to be lower than or equal to
+ stcpRtoMax's value."
+ DEFVAL {1000} -- milliseconds
+
+ ::= { sctpParams 2 }
+
+ sctpRtoMax OBJECT-TYPE
+ SYNTAX Unsigned32
+ UNITS "milliseconds"
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The maximum value permitted by a SCTP implementation for the
+ retransmission timeout value, measured in milliseconds. More
+ refined semantics for objects of this type depend upon the
+ algorithm used to determine the retransmission timeout value.
+
+ A retransmission time value of zero means immediate re-
+ transmission.
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 17]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ The value of this object has to be greater than or equal to
+ stcpRtoMin's value."
+ DEFVAL {60000} -- milliseconds
+
+ ::= { sctpParams 3 }
+
+
+ sctpRtoInitial OBJECT-TYPE
+ SYNTAX Unsigned32
+ UNITS "milliseconds"
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The initial value for the retransmission timer.
+
+ A retransmission time value of zero means immediate re-
+ transmission."
+ DEFVAL {3000} -- milliseconds
+
+ ::= { sctpParams 4 }
+
+
+ sctpMaxAssocs OBJECT-TYPE
+ SYNTAX Integer32 (-1 | 0..2147483647)
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The limit on the total number of associations the entity can
+ support. In entities where the maximum number of associations
+ is dynamic, this object should contain the value -1."
+
+ ::= { sctpParams 5 }
+
+
+ sctpValCookieLife OBJECT-TYPE
+ SYNTAX Unsigned32
+ UNITS "milliseconds"
+
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "Valid cookie life in the 4-way start-up handshake procedure."
+ REFERENCE
+ "Section 5.1.3 in RFC2960 explains the cookie generation
+ process. Recommended value is per section 14 in RFC2960."
+ DEFVAL {60000} -- milliseconds
+
+ ::= { sctpParams 6 }
+
+
+
+Pastor & Belinchon Standards Track [Page 18]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ sctpMaxInitRetr OBJECT-TYPE
+ SYNTAX Unsigned32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The maximum number of retransmissions at the start-up phase
+ (INIT and COOKIE ECHO chunks). "
+ REFERENCE
+ "Section 5.1.4, 5.1.6 in RFC2960 refers to Max.Init.Retransmit
+ parameter. Recommended value is per section 14 in RFC2960."
+ DEFVAL {8} -- number of attempts
+
+ ::= { sctpParams 7 }
+
+
+ -- TABLES
+ -- ******
+
+ -- the SCTP Association TABLE
+
+ -- The SCTP association table contains information about each
+ -- association in which the local endpoint is involved.
+
+
+ sctpAssocTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpAssocEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "A table containing SCTP association-specific information."
+
+ ::= { sctpObjects 3 }
+
+
+ sctpAssocEntry OBJECT-TYPE
+ SYNTAX SctpAssocEntry
+ MAX-ACCESS not-accessible
+
+ STATUS current
+ DESCRIPTION
+ "General common variables and statistics for the whole
+ association."
+ INDEX { sctpAssocId }
+
+ ::= { sctpAssocTable 1 }
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 19]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ SctpAssocEntry ::= SEQUENCE {
+ sctpAssocId Unsigned32,
+ sctpAssocRemHostName OCTET STRING,
+ sctpAssocLocalPort InetPortNumber,
+ sctpAssocRemPort InetPortNumber,
+ sctpAssocRemPrimAddrType InetAddressType,
+ sctpAssocRemPrimAddr InetAddress,
+ sctpAssocHeartBeatInterval Unsigned32,
+ sctpAssocState INTEGER,
+ sctpAssocInStreams Unsigned32,
+ sctpAssocOutStreams Unsigned32,
+ sctpAssocMaxRetr Unsigned32,
+ sctpAssocPrimProcess Unsigned32,
+ sctpAssocT1expireds Counter32, -- Statistic
+ sctpAssocT2expireds Counter32, -- Statistic
+ sctpAssocRtxChunks Counter32, -- Statistic
+ sctpAssocStartTime TimeStamp,
+ sctpAssocDiscontinuityTime TimeStamp
+ }
+
+
+ sctpAssocId OBJECT-TYPE
+ SYNTAX Unsigned32 (1..4294967295)
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Association Identification. Value identifying the
+ association. "
+
+ ::= { sctpAssocEntry 1 }
+
+
+ sctpAssocRemHostName OBJECT-TYPE
+ SYNTAX OCTET STRING (SIZE(0..255))
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The peer's DNS name. This object needs to have the same
+ format as the encoding in the DNS protocol. This implies that
+ the domain name can be up to 255 octets long, each octet being
+ 0<=x<=255 as value with US-ASCII A-Z having a case insensitive
+ matching.
+
+ If no DNS domain name was received from the peer at init time
+ (embedded in the INIT or INIT-ACK chunk), this object is
+ meaningless. In such cases the object MUST contain a zero-
+ length string value. Otherwise, it contains the remote host
+ name received at init time."
+
+
+
+Pastor & Belinchon Standards Track [Page 20]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ ::= { sctpAssocEntry 2 }
+
+
+ sctpAssocLocalPort OBJECT-TYPE
+ SYNTAX InetPortNumber (1..65535)
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The local SCTP port number used for this association."
+
+ ::= { sctpAssocEntry 3 }
+
+
+ sctpAssocRemPort OBJECT-TYPE
+ SYNTAX InetPortNumber (1..65535)
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The remote SCTP port number used for this association."
+
+ ::= { sctpAssocEntry 4 }
+
+
+ sctpAssocRemPrimAddrType OBJECT-TYPE
+ SYNTAX InetAddressType
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The internet type of primary remote IP address. "
+
+ ::= { sctpAssocEntry 5 }
+
+ sctpAssocRemPrimAddr OBJECT-TYPE
+ SYNTAX InetAddress
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The primary remote IP address. The type of this address is
+ determined by the value of sctpAssocRemPrimAddrType.
+
+ The client side will know this value after INIT_ACK message
+ reception, the server side will know this value when sending
+ INIT_ACK message. However, values will be filled in at
+ established(4) state."
+
+ ::= { sctpAssocEntry 6 }
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 21]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ sctpAssocHeartBeatInterval OBJECT-TYPE
+ SYNTAX Unsigned32
+ UNITS "milliseconds"
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The current heartbeat interval..
+
+ Zero value means no HeartBeat, even when the concerned
+ sctpAssocRemAddrHBFlag object is true."
+ DEFVAL {30000} -- milliseconds
+
+ ::= { sctpAssocEntry 7 }
+
+
+ sctpAssocState OBJECT-TYPE
+ SYNTAX INTEGER {
+ closed(1),
+ cookieWait(2),
+ cookieEchoed(3),
+ established(4),
+ shutdownPending(5),
+ shutdownSent(6),
+ shutdownReceived(7),
+ shutdownAckSent(8),
+ deleteTCB(9)
+ }
+ MAX-ACCESS read-write
+ STATUS current
+ DESCRIPTION
+ "The state of this SCTP association.
+
+ As in TCP, deleteTCB(9) is the only value that may be set by a
+ management station. If any other value is received, then the
+ agent must return a wrongValue error.
+
+ If a management station sets this object to the value
+ deleteTCB(9), then this has the effect of deleting the TCB (as
+ defined in SCTP) of the corresponding association on the
+ managed node, resulting in immediate termination of the
+ association.
+
+ As an implementation-specific option, an ABORT chunk may be
+ sent from the managed node to the other SCTP endpoint as a
+ result of setting the deleteTCB(9) value. The ABORT chunk
+ implies an ungraceful association shutdown."
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 22]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ REFERENCE
+
+ "Section 4 in RFC2960 covers the SCTP Association state
+ diagram."
+
+ ::= { sctpAssocEntry 8 }
+
+
+ sctpAssocInStreams OBJECT-TYPE
+ SYNTAX Unsigned32 (1..65535)
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "Inbound Streams according to the negotiation at association
+ start up."
+ REFERENCE
+ "Section 1.3 in RFC2960 includes a definition of stream.
+ Section 5.1.1 in RFC2960 covers the streams negotiation
+ process."
+
+ ::= { sctpAssocEntry 9 }
+
+ sctpAssocOutStreams OBJECT-TYPE
+ SYNTAX Unsigned32 (1..65535)
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "Outbound Streams according to the negotiation at association
+ start up. "
+ REFERENCE
+ "Section 1.3 in RFC2960 includes a definition of stream.
+ Section 5.1.1 in RFC2960 covers the streams negotiation
+ process."
+
+ ::= { sctpAssocEntry 10 }
+
+
+ sctpAssocMaxRetr OBJECT-TYPE
+ SYNTAX Unsigned32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The maximum number of data retransmissions in the association
+ context. This value is specific for each association and the
+ upper layer can change it by calling the appropriate
+ primitives. This value has to be smaller than the addition of
+ all the maximum number for all the paths
+ (sctpAssocRemAddrMaxPathRtx).
+
+
+
+Pastor & Belinchon Standards Track [Page 23]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ A value of zero value means no retransmissions."
+ DEFVAL {10} -- number of attempts
+
+ ::= { sctpAssocEntry 11 }
+
+ sctpAssocPrimProcess OBJECT-TYPE
+ SYNTAX Unsigned32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "This object identifies the system level process which holds
+ primary responsibility for the SCTP association.
+ Wherever possible, this should be the system's native unique
+ identification number. The special value 0 can be used to
+ indicate that no primary process is known.
+
+ Note that the value of this object can be used as a pointer
+ into the swRunTable of the HOST-RESOURCES-MIB(if the value is
+ smaller than 2147483647) or into the sysApplElmtRunTable of
+ the SYSAPPL-MIB."
+
+ ::= { sctpAssocEntry 12 }
+
+
+ -- Association Statistics
+
+ sctpAssocT1expireds OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The T1 timer determines how long to wait for an
+ acknowledgement after sending an INIT or COOKIE-ECHO chunk.
+ This object reflects the number of times the T1 timer expires
+ without having received the acknowledgement.
+
+ Discontinuities in the value of this counter can occur at re-
+ initialization of the management system, and at other times as
+ indicated by the value of sctpAssocDiscontinuityTime."
+ REFERENCE
+ "Section 5 in RFC2960."
+
+
+ ::= { sctpAssocEntry 13 }
+
+ sctpAssocT2expireds OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+
+
+
+Pastor & Belinchon Standards Track [Page 24]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ STATUS current
+ DESCRIPTION
+ "The T2 timer determines how long to wait for an
+ acknowledgement after sending a SHUTDOWN or SHUTDOWN-ACK
+ chunk. This object reflects the number of times that T2- timer
+ expired.
+
+ Discontinuities in the value of this counter can occur at re-
+ initialization of the management system, and at other times as
+ indicated by the value of sctpAssocDiscontinuityTime."
+ REFERENCE
+ "Section 9.2 in RFC2960."
+ ::= { sctpAssocEntry 14 }
+
+
+ sctpAssocRtxChunks OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "When T3-rtx expires, the DATA chunks that triggered the T3
+ timer will be re-sent according with the retransmissions
+ rules. Every DATA chunk that was included in the SCTP packet
+ that triggered the T3-rtx timer must be added to the value of
+ this counter.
+
+ Discontinuities in the value of this counter can occur at re-
+ initialization of the management system, and at other times as
+ indicated by the value of sctpAssocDiscontinuityTime."
+ REFERENCE
+ "Section 6 in RFC2960 covers the retransmission process and
+ rules."
+
+ ::= { sctpAssocEntry 15 }
+
+
+ sctpAssocStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime at the time that the association
+ represented by this row enters the ESTABLISHED state, i.e.,
+ the sctpAssocState object is set to established(4). The
+ value of this object will be zero:
+ - before the association enters the established(4)
+ state, or
+
+
+
+
+Pastor & Belinchon Standards Track [Page 25]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ - if the established(4) state was entered prior to
+ the last re-initialization of the local network management
+ subsystem."
+
+ ::= { sctpAssocEntry 16 }
+
+ sctpAssocDiscontinuityTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime on the most recent occasion at which
+ any one or more of this SCTP association counters suffered a
+ discontinuity. The relevant counters are the specific
+ instances associated with this interface of any Counter32 or
+ Counter64 object contained in the sctpAssocTable or
+ sctpLocalAddrTable or sctpRemAddrTable. If no such
+ discontinuities have occurred since the last re-initialization
+ of the local management subsystem, then this object contains a
+ zero value. "
+ REFERENCE
+ "The inclusion of this object is recommended by RFC2578."
+
+ ::= { sctpAssocEntry 17 }
+
+ -- Expanded tables: Including Multi-home feature
+
+ -- Local Address TABLE
+ -- *******************
+
+ sctpAssocLocalAddrTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpAssocLocalAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Expanded table of sctpAssocTable based on the AssocId index.
+ This table shows data related to each local IP address which
+ is used by this association."
+
+ ::= { sctpObjects 4 }
+
+ sctpAssocLocalAddrEntry OBJECT-TYPE
+ SYNTAX SctpAssocLocalAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Local information about the available addresses. There will
+ be an entry for every local IP address defined for this
+
+
+
+Pastor & Belinchon Standards Track [Page 26]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ association.
+ Implementors need to be aware that if the size of
+ sctpAssocLocalAddr exceeds 114 octets then OIDs of column
+ instances in this table will have more than 128 sub-
+ identifiers and cannot be accessed using SNMPv1, SNMPv2c, or
+ SNMPv3."
+ INDEX { sctpAssocId, -- shared index
+ sctpAssocLocalAddrType,
+ sctpAssocLocalAddr }
+
+ ::= { sctpAssocLocalAddrTable 1 }
+
+
+ SctpAssocLocalAddrEntry ::= SEQUENCE {
+ sctpAssocLocalAddrType InetAddressType,
+ sctpAssocLocalAddr InetAddress,
+ sctpAssocLocalAddrStartTime TimeStamp
+ }
+
+
+ sctpAssocLocalAddrType OBJECT-TYPE
+ SYNTAX InetAddressType
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Internet type of local IP address used for this association."
+
+
+ ::= { sctpAssocLocalAddrEntry 1 }
+
+ sctpAssocLocalAddr OBJECT-TYPE
+ SYNTAX InetAddress
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "The value of a local IP address available for this
+ association. The type of this address is determined by the
+ value of sctpAssocLocalAddrType."
+
+ ::= { sctpAssocLocalAddrEntry 2 }
+
+
+
+
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 27]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ sctpAssocLocalAddrStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime at the time that this row was
+ created."
+
+ ::= { sctpAssocLocalAddrEntry 3 }
+
+ -- Remote Addresses TABLE
+ -- **********************
+
+ sctpAssocRemAddrTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpAssocRemAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Expanded table of sctpAssocTable based on the AssocId index.
+ This table shows data related to each remote peer IP address
+ which is used by this association."
+
+ ::= { sctpObjects 5 }
+
+
+ sctpAssocRemAddrEntry OBJECT-TYPE
+ SYNTAX SctpAssocRemAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Information about the most important variables for every
+ remote IP address. There will be an entry for every remote IP
+ address defined for this association.
+
+ Implementors need to be aware that if the size of
+ sctpAssocRemAddr exceeds 114 octets then OIDs of column
+ instances in this table will have more than 128 sub-
+ identifiers and cannot be accessed using SNMPv1, SNMPv2c, or
+ SNMPv3."
+ INDEX { sctpAssocId, -- shared index
+ sctpAssocRemAddrType,
+ sctpAssocRemAddr }
+
+ ::= { sctpAssocRemAddrTable 1 }
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 28]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ SctpAssocRemAddrEntry ::= SEQUENCE {
+ sctpAssocRemAddrType InetAddressType,
+ sctpAssocRemAddr InetAddress,
+ sctpAssocRemAddrActive TruthValue,
+ sctpAssocRemAddrHBActive TruthValue,
+ sctpAssocRemAddrRTO Unsigned32,
+ sctpAssocRemAddrMaxPathRtx Unsigned32,
+ sctpAssocRemAddrRtx Counter32, -- Statistic
+ sctpAssocRemAddrStartTime TimeStamp
+ }
+
+
+ sctpAssocRemAddrType OBJECT-TYPE
+ SYNTAX InetAddressType
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Internet type of a remote IP address available for this
+ association."
+ ::= { sctpAssocRemAddrEntry 1 }
+
+
+ sctpAssocRemAddr OBJECT-TYPE
+ SYNTAX InetAddress
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "The value of a remote IP address available for this
+ association. The type of this address is determined by the
+ value of sctpAssocLocalAddrType."
+
+ ::= { sctpAssocRemAddrEntry 2 }
+
+
+ sctpAssocRemAddrActive OBJECT-TYPE
+ SYNTAX TruthValue
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "This object gives information about the reachability of this
+ specific remote IP address.
+
+ When the object is set to 'true' (1), the remote IP address is
+ understood as Active. Active means that the threshold of no
+ answers received from this IP address has not been reached.
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 29]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ When the object is set to 'false' (2), the remote IP address
+ is understood as Inactive. Inactive means that either no
+ heartbeat or any other message was received from this address,
+ reaching the threshold defined by the protocol."
+
+ REFERENCE
+ "The remote transport states are defined as Active and
+ Inactive in the SCTP, RFC2960."
+
+ ::= { sctpAssocRemAddrEntry 3 }
+
+
+ sctpAssocRemAddrHBActive OBJECT-TYPE
+ SYNTAX TruthValue
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "This object indicates whether the optional Heartbeat check
+ associated to one destination transport address is activated
+ or not (value equal to true or false, respectively). "
+
+ ::= { sctpAssocRemAddrEntry 4 }
+
+
+ sctpAssocRemAddrRTO OBJECT-TYPE -- T3-rtx- Timer
+ SYNTAX Unsigned32
+ UNITS "milliseconds"
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The current Retransmission Timeout. T3-rtx timer as defined
+ in the protocol SCTP."
+ REFERENCE
+ "Section 6.3 in RFC2960 deals with the Retransmission Timer
+ Management."
+
+ ::= { sctpAssocRemAddrEntry 5 }
+
+
+ sctpAssocRemAddrMaxPathRtx OBJECT-TYPE
+ SYNTAX Unsigned32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "Maximum number of DATA chunks retransmissions allowed to a
+ remote IP address before it is considered inactive, as defined
+ in RFC2960."
+
+
+
+
+Pastor & Belinchon Standards Track [Page 30]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ REFERENCE
+ "Section 8.2, 8.3 and 14 in RFC2960."
+ DEFVAL {5} -- number of attempts
+
+ ::= { sctpAssocRemAddrEntry 6 }
+
+
+ -- Remote Address Statistic
+
+ sctpAssocRemAddrRtx OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "Number of DATA chunks retransmissions to this specific IP
+ address. When T3-rtx expires, the DATA chunk that triggered
+ the T3 timer will be re-sent according to the retransmissions
+ rules. Every DATA chunk that is included in a SCTP packet and
+ was transmitted to this specific IP address before, will be
+ included in this counter.
+
+ Discontinuities in the value of this counter can occur at re-
+ initialization of the management system, and at other times as
+ indicated by the value of sctpAssocDiscontinuityTime."
+
+ ::= { sctpAssocRemAddrEntry 7 }
+
+ sctpAssocRemAddrStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime at the time that this row was
+ created."
+
+ ::= { sctpAssocRemAddrEntry 8 }
+
+ -- ASSOCIATION INVERSE TABLE
+ -- *************************
+
+ -- BY LOCAL PORT
+
+ sctpLookupLocalPortTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpLookupLocalPortEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "With the use of this table, a list of associations which are
+
+
+
+Pastor & Belinchon Standards Track [Page 31]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ using the specified local port can be retrieved."
+
+ ::= { sctpObjects 6 }
+
+
+ sctpLookupLocalPortEntry OBJECT-TYPE
+ SYNTAX SctpLookupLocalPortEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "This table is indexed by local port and association ID.
+ Specifying a local port, we would get a list of the
+ associations whose local port is the one specified."
+
+ INDEX { sctpAssocLocalPort,
+ sctpAssocId }
+
+ ::= { sctpLookupLocalPortTable 1 }
+
+
+ SctpLookupLocalPortEntry::= SEQUENCE {
+ sctpLookupLocalPortStartTime TimeStamp
+ }
+
+
+ sctpLookupLocalPortStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime at the time that this row was created.
+
+ As the table will be created after the sctpAssocTable
+ creation, this value could be equal to the sctpAssocStartTime
+ object from the main table."
+
+ ::= { sctpLookupLocalPortEntry 1 }
+
+ -- BY REMOTE PORT
+
+ sctpLookupRemPortTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpLookupRemPortEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 32]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ DESCRIPTION
+ "With the use of this table, a list of associations which are
+ using the specified remote port can be got"
+
+ ::= { sctpObjects 7 }
+
+ sctpLookupRemPortEntry OBJECT-TYPE
+ SYNTAX SctpLookupRemPortEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "This table is indexed by remote port and association ID.
+ Specifying a remote port we would get a list of the
+ associations whose local port is the one specified "
+
+ INDEX { sctpAssocRemPort,
+ sctpAssocId }
+
+ ::= { sctpLookupRemPortTable 1 }
+
+ SctpLookupRemPortEntry::= SEQUENCE {
+ sctpLookupRemPortStartTime TimeStamp
+ }
+
+
+ sctpLookupRemPortStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime at the time that this row was created.
+
+ As the table will be created after the sctpAssocTable
+ creation, this value could be equal to the sctpAssocStartTime
+ object from the main table."
+
+ ::= { sctpLookupRemPortEntry 1 }
+
+ -- BY REMOTE HOST NAME
+
+ sctpLookupRemHostNameTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpLookupRemHostNameEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "With the use of this table, a list of associations with that
+ particular host can be retrieved."
+
+
+
+
+Pastor & Belinchon Standards Track [Page 33]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ ::= { sctpObjects 8 }
+
+
+ sctpLookupRemHostNameEntry OBJECT-TYPE
+ SYNTAX SctpLookupRemHostNameEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "This table is indexed by remote host name and association ID.
+ Specifying a host name we would get a list of the associations
+ specifying that host name as the remote one.
+
+ Implementors need to be aware that if the size of
+ sctpAssocRemHostName exceeds 115 octets then OIDs of column
+ instances in this table will have more than 128 sub-
+ identifiers and cannot be accessed using SNMPv1, SNMPv2c, or
+ SNMPv3."
+
+ INDEX { sctpAssocRemHostName,
+ sctpAssocId }
+
+ ::= { sctpLookupRemHostNameTable 1 }
+
+
+ SctpLookupRemHostNameEntry::= SEQUENCE {
+ sctpLookupRemHostNameStartTime TimeStamp
+ }
+
+ sctpLookupRemHostNameStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime at the time that this row was created.
+
+ As the table will be created after the sctpAssocTable
+ creation, this value could be equal to the sctpAssocStartTime
+ object from the main table."
+
+ ::= { sctpLookupRemHostNameEntry 1 }
+
+
+
+
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 34]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ -- BY REMOTE PRIMARY IP ADDRESS
+
+ sctpLookupRemPrimIPAddrTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpLookupRemPrimIPAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "With the use of this table, a list of associations that have
+ the specified IP address as primary within the remote set of
+ active addresses can be retrieved."
+
+ ::= { sctpObjects 9 }
+
+
+ sctpLookupRemPrimIPAddrEntry OBJECT-TYPE
+ SYNTAX SctpLookupRemPrimIPAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "This table is indexed by primary address and association ID.
+ Specifying a primary address, we would get a list of the
+ associations that have the specified remote IP address marked
+ as primary.
+ Implementors need to be aware that if the size of
+ sctpAssocRemPrimAddr exceeds 114 octets then OIDs of column
+ instances in this table will have more than 128 sub-
+ identifiers and cannot be accessed using SNMPv1, SNMPv2c, or
+ SNMPv3."
+
+ INDEX { sctpAssocRemPrimAddrType,
+ sctpAssocRemPrimAddr,
+ sctpAssocId }
+
+ ::= { sctpLookupRemPrimIPAddrTable 1 }
+
+ SctpLookupRemPrimIPAddrEntry::= SEQUENCE {
+ sctpLookupRemPrimIPAddrStartTime TimeStamp
+ }
+
+
+ sctpLookupRemPrimIPAddrStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 35]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ DESCRIPTION
+ "The value of SysUpTime at the time that this row was created.
+
+ As the table will be created after the sctpAssocTable
+ creation, this value could be equal to the sctpAssocStartTime
+ object from the main table."
+
+ ::= { sctpLookupRemPrimIPAddrEntry 1 }
+
+
+ -- BY REMOTE IP ADDRESS
+
+ sctpLookupRemIPAddrTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpLookupRemIPAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "With the use of this table, a list of associations that have
+ the specified IP address as one of the remote ones can be
+ retrieved. "
+
+ ::= { sctpObjects 10 }
+
+
+ sctpLookupRemIPAddrEntry OBJECT-TYPE
+ SYNTAX SctpLookupRemIPAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "This table is indexed by a remote IP address and association
+ ID. Specifying an IP address we would get a list of the
+ associations that have the specified IP address included
+ within the set of remote IP addresses."
+
+ INDEX { sctpAssocRemAddrType,
+ sctpAssocRemAddr,
+ sctpAssocId }
+
+ ::= { sctpLookupRemIPAddrTable 1 }
+
+
+ SctpLookupRemIPAddrEntry::= SEQUENCE {
+
+ sctpLookupRemIPAddrStartTime TimeStamp
+ }
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 36]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ sctpLookupRemIPAddrStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of SysUpTime at the time that this row was created.
+
+ As the table will be created after the sctpAssocTable
+ creation, this value could be equal to the sctpAssocStartTime
+ object from the main table."
+
+ ::= { sctpLookupRemIPAddrEntry 1 }
+
+
+ -- 4.1 Conformance Information
+
+ sctpMibConformance OBJECT IDENTIFIER ::= { sctpMIB 2 }
+ sctpMibCompliances OBJECT IDENTIFIER ::= { sctpMibConformance 1 }
+ sctpMibGroups OBJECT IDENTIFIER ::= { sctpMibConformance 2 }
+
+
+ -- 4.1.1 Units of conformance
+
+ --
+ -- MODULE GROUPS
+ --
+
+ sctpLayerParamsGroup OBJECT-GROUP
+ OBJECTS { sctpRtoAlgorithm,
+ sctpRtoMin,
+ sctpRtoMax,
+ sctpRtoInitial,
+ sctpMaxAssocs,
+ sctpValCookieLife,
+ sctpMaxInitRetr
+ }
+
+ STATUS current
+ DESCRIPTION
+ "Common parameters for the SCTP layer, i.e., for all the
+ associations. They can usually be referred to as configuration
+ parameters."
+
+ ::= { sctpMibGroups 1 }
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 37]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ sctpStatsGroup OBJECT-GROUP
+ OBJECTS { sctpCurrEstab,
+ sctpActiveEstabs,
+ sctpPassiveEstabs,
+ sctpAborteds,
+ sctpShutdowns,
+ sctpOutOfBlues,
+ sctpChecksumErrors,
+ sctpOutCtrlChunks,
+ sctpOutOrderChunks,
+ sctpOutUnorderChunks,
+ sctpInCtrlChunks,
+ sctpInOrderChunks,
+ sctpInUnorderChunks,
+ sctpFragUsrMsgs,
+ sctpReasmUsrMsgs,
+ sctpOutSCTPPacks,
+ sctpInSCTPPacks,
+ sctpDiscontinuityTime,
+ sctpAssocT1expireds,
+ sctpAssocT2expireds,
+ sctpAssocRtxChunks,
+ sctpAssocRemAddrRtx
+ }
+
+ STATUS current
+ DESCRIPTION
+ "Statistics group. It includes the objects to collect state
+ changes in the SCTP protocol local layer and flow control
+ statistics."
+
+ ::= { sctpMibGroups 2 }
+
+
+ sctpPerAssocParamsGroup OBJECT-GROUP
+ OBJECTS { sctpAssocRemHostName,
+ sctpAssocLocalPort,
+ sctpAssocRemPort,
+ sctpAssocRemPrimAddrType,
+ sctpAssocRemPrimAddr,
+ sctpAssocHeartBeatInterval,
+ sctpAssocState,
+ sctpAssocInStreams,
+ sctpAssocOutStreams,
+ sctpAssocMaxRetr,
+ sctpAssocPrimProcess,
+ sctpAssocStartTime,
+ sctpAssocDiscontinuityTime,
+
+
+
+Pastor & Belinchon Standards Track [Page 38]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ sctpAssocLocalAddrStartTime,
+ sctpAssocRemAddrActive,
+ sctpAssocRemAddrHBActive,
+ sctpAssocRemAddrRTO,
+ sctpAssocRemAddrMaxPathRtx,
+ sctpAssocRemAddrStartTime
+ }
+
+ STATUS current
+ DESCRIPTION
+ "The SCTP group of objects to manage per-association
+ parameters. These variables include all the SCTP basic
+ features."
+
+ ::= { sctpMibGroups 3 }
+
+ sctpPerAssocStatsGroup OBJECT-GROUP
+ OBJECTS
+ { sctpAssocT1expireds,
+ sctpAssocT2expireds,
+ sctpAssocRtxChunks,
+ sctpAssocRemAddrRtx
+ }
+
+ STATUS current
+ DESCRIPTION
+ "Per Association Statistics group. It includes the objects to
+ collect flow control statistics per association."
+
+ ::= { sctpMibGroups 4 }
+
+ sctpInverseGroup OBJECT-GROUP
+ OBJECTS { sctpLookupLocalPortStartTime,
+ sctpLookupRemPortStartTime,
+ sctpLookupRemHostNameStartTime,
+ sctpLookupRemPrimIPAddrStartTime,
+ sctpLookupRemIPAddrStartTime
+ }
+
+ STATUS current
+ DESCRIPTION
+ "Objects used in the inverse lookup tables."
+
+ ::= { sctpMibGroups 5 }
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 39]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ -- 4.1.2 Compliance Statements
+
+ --
+ -- MODULE COMPLIANCES
+ --
+
+ sctpMibCompliance MODULE-COMPLIANCE
+ STATUS current
+ DESCRIPTION
+ "The compliance statement for SNMP entities which implement
+ this SCTP MIB Module.
+
+ There are a number of INDEX objects that cannot be represented
+ in the form of OBJECT clauses in SMIv2, but for which we have
+ the following compliance requirements, expressed in OBJECT
+ clause form in this description clause:
+
+ -- OBJECT sctpAssocLocalAddrType
+ -- SYNTAX InetAddressType {ipv4(1), ipv6(2)}
+ -- DESCRIPTION
+ -- It is only required to have IPv4 and IPv6 addresses without
+ -- zone indices.
+ -- The address with zone indices is required if an
+ -- implementation can connect multiple zones.
+ --
+ -- OBJECT sctpAssocLocalAddr
+ -- SYNTAX InetAddress (SIZE(4|16))
+ -- DESCRIPTION
+ -- An implementation is only required to support globally
+ -- unique IPv4 and IPv6 addresses.
+ --
+ -- OBJECT sctpAssocRemAddrType
+ -- SYNTAX InetAddressType {ipv4(1), ipv6(2)}
+ -- DESCRIPTION
+ -- It is only required to have IPv4 and IPv6 addresses without
+ -- zone indices.
+ -- The address with zone indices is required if an
+ -- implementation can connect multiple zones.
+ --
+ -- OBJECT sctpAssocRemAddr
+ -- SYNTAX InetAddress (SIZE(4|16))
+ -- DESCRIPTION
+ -- An implementation is only required to support globally
+ -- unique IPv4 and IPv6 addresses.
+ --
+ " -- closes DESCRIPTION clause of MODULE-COMPLIANCE
+
+ MODULE -- this module
+
+
+
+Pastor & Belinchon Standards Track [Page 40]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ MANDATORY-GROUPS { sctpLayerParamsGroup,
+ sctpPerAssocParamsGroup,
+ sctpStatsGroup,
+ sctpPerAssocStatsGroup
+ }
+
+ OBJECT sctpAssocRemPrimAddrType
+ SYNTAX InetAddressType { ipv4(1),
+ ipv6(2)
+ }
+ DESCRIPTION
+ "It is only required to have IPv4 and IPv6 addresses
+ without zone indices.
+
+ The address with zone indices is required if an
+ implementation can connect multiple zones."
+
+ OBJECT sctpAssocRemPrimAddr
+ SYNTAX InetAddress (SIZE(4|16))
+ DESCRIPTION
+ "An implementation is only required to support globally
+ unique IPv4 and globally unique IPv6 addresses."
+
+
+ OBJECT sctpAssocState
+ WRITE-SYNTAX INTEGER { deleteTCB(9) }
+ MIN-ACCESS read-only
+ DESCRIPTION
+ "Only the deleteTCB(9) value MAY be set by a management
+ station at most. A read-only option is also considered to
+ be compliant with this MIB module description."
+
+ GROUP sctpInverseGroup
+ DESCRIPTION
+ "Objects used in inverse lookup tables. This should be
+ implemented, at the discretion of the implementers, for
+ easier lookups in the association tables"
+
+ ::= { sctpMibCompliances 1 }
+
+ END
+
+
+
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 41]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+5. Compiling Notes
+
+ When compiling the MIB module warnings similar to the following may
+ occur:
+
+ - warning: index of row `sctpAssocLocalAddrEntry' can exceed OID
+ size limit by 141 subidentifier(s)
+ - warning: index of row `sctpAssocRemAddrEntry' can exceed OID
+ size limit by 141 subidentifier(s)
+ - warning: index of row `sctpLookupRemHostNameEntry' can exceed
+ OID size limit by 140 subidentifier(s)
+ - warning: index of row `sctpLookupRemPrimIPAddrEntry' can exceed
+ OID size limit by 141 subidentifier(s)
+ - warning: index of row `sctpLookupRemIPAddrEntry' can exceed OID
+ size limit by 141 subidentifier(s)
+
+ These warnings are due to the fact that the row objects have index
+ objects of type InetAddress or OCTET STRING whose size limit is 255
+ octets, and if that size limit were reached the names of column
+ instances in those rows would exceed the 128 sub-identifier limit
+ imposed by current versions of the SNMP. Actual limitations for the
+ index object sizes are noted in the conceptual row DESCRIPTION
+ clauses. For the InetAddress index objects these size limits will
+ not be reached with any of the address types in current use.
+
+6. References
+
+6.1. Normative References
+
+ [RFC2578] McCloghrie, K., Perkins, D., and J. Schoenwaelder,
+ "Structure of Management Information Version 2 (SMIv2)",
+ STD 58, RFC 2578, April 1999.
+
+ [RFC2579] McCloghrie, K., Perkins, D., and J. Schoenwaelder,
+ "Textual Conventions for SMIv2", STD 58, RFC 2579, April
+ 1999.
+
+ [RFC2580] McCloghrie, K., Perkins, D., and J. Schoenwaelder,
+ "Conformance Statements for SMIv2", STD 58, RFC 2580,
+ April 1999.
+
+ [RFC2960] Stewart, R., Xie, Q., Morneault, K., Sharp, C.,
+ Schwarzbauer, H., Taylor, T., Rytina, I., Kalla, M.,
+ Zhang, L., and V. Paxson, "Stream Control Transmission
+ Protocol", RFC 2960, October 2000.
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 42]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ [RFC3291] Daniele, M., Haberman, B., Routhier, S., and J.
+ Schoenwaelder, "Textual Conventions for Internet Network
+ Addresses", RFC 3291, May 2002.
+
+ [RFC3309] Stone, J., Stewart, R., and D. Otis, "Stream Control
+ Transmission Protocol (SCTP) Checksum Change", RFC 3309,
+ September 2002.
+
+6.2. Informative References
+
+ [RFC1213] McCloghrie, K. and M. Rose, "Management Information Base
+ for Network Management of TCP/IP-based internets:MIB-
+ II", STD 17, RFC 1213, March 1991.
+
+ [RFC2012] McCloghrie, K., "SNMPv2 Management Information Base for
+ the Transmission Control Protocol using SMIv2", RFC
+ 2012, November 1996.
+
+ [RFC3410] Case, J., Mundy, R., Partain, D., and B. Stewart,
+ "Introduction and Applicability Statements for
+ Internet-Standard Management Framework", RFC 3410,
+ December 2002.
+
+ [VANJ] Jacobson, V., "Congestion Avoidance and Control",
+ SIGCOMM 1988, Stanford, California.
+
+ [IPv6ARCH] Deering, S., Haberman, B., Jinmei, T., Nordmark, E.,
+ Onoe, A., and B. Zill, "IPv6 Scoped Address
+ Architecture", Work in Progress, December 2002.
+
+ [sctpImplem] Stewart, R., Ong, L., Arias-Rodriguez, I., Caro, A., and
+ M. Tuexen, "Stream Control Transmission Protocol (SCTP)
+ Implementers Guide", Work in Progress, January 2002.
+
+ [TCPMIB] Fenner, B., McCloghrie, K., Raghunarayan, R., and J.
+ Schoenwalder, "Management Information Base for the
+ Transmission Control Protocol (TCP)", Work in Progress,
+ November 2002.
+
+ [UDPMIB] Fenner, B., "Management Information Base for User
+ Datagram Protocol (UDP)", Work in Progress, June 2002.
+
+ [MIBGUIDE] Heard, C.M., "Guidelines for MIB Authors and Reviewers",
+ Work in Progress, February 2003.
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 43]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+7. Security Considerations
+
+ There are management objects defined in this MIB that have a MAX-
+ ACCESS clause of read-write and/or read-create. Such objects may be
+ considered sensitive or vulnerable in some network environments. The
+ support for SET operations in a non-secure environment without proper
+ protection can have a negative effect on network operations. These
+ are the tables and objects and their sensitivity/vulnerability:
+
+ o The sctpAssocState object has a MAX-ACCESS clause of read-write,
+ which allows termination of an arbitrary connection. Unauthorized
+ access could cause a denial of service.
+
+ Some of the readable objects in this MIB module (i.e., objects with a
+ MAX-ACCESS other than not-accessible) may be considered sensitive or
+ vulnerable in some network environments. Thus, it is important to
+ control even GET and/or NOTIFY access to these objects and possibly
+ to even encrypt the values of these objects when sending them over
+ the network via SNMP. These are the tables and objects and their
+ sensitivity/vulnerability:
+
+ o The sctpAssocTable, sctpAssocLocalAddressTable,
+ sctpAssocRemAddressTable and the lookup tables contain objects
+ providing information on the active associations on the device,
+ local and peer's IP addresses, the status of these associations
+ and the associated processes. This information may be used by an
+ attacker to launch attacks against known/unknown weakness in
+ certain protocols/applications.
+
+ o The sctpAssocTable contains objects providing information on local
+ and remote ports objects, that can be used to identify what ports
+ are open on the machine and can thus suggest what attacks are
+ likely to succeed, without the attacker having to run a port
+ scanner.
+
+ SNMP versions prior to SNMPv3 did not include adequate security.
+ Even if the network itself is secure (for example by using IPSec),
+ even then, there is no control as to who on the secure network is
+ allowed to access and GET/SET (read/change/create/delete) the objects
+ in this MIB module.
+
+ It is RECOMMENDED that implementers consider the security features as
+ provided by the SNMPv3 framework (see [RFC3410], section 8),
+ including full support for the SNMPv3 cryptographic mechanisms (for
+ authentication and privacy).
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 44]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+ Further, deployment of SNMP versions prior to SNMPv3 is NOT
+ RECOMMENDED. Instead, it is RECOMMENDED to deploy SNMPv3 and to
+ enable cryptographic security. It is then a customer/operator
+ responsibility to ensure that the SNMP entity giving access to an
+ instance of this MIB module is properly configured to give access to
+ the objects only to those principals (users) that have legitimate
+ rights to indeed GET or SET (change/create/delete) them.
+
+ The above objects also have privacy implications, i.e., they disclose
+ who is connecting to what hosts. These are sensitive from a
+ perspective of preventing traffic analysis, and also to protect
+ individual privacy.
+
+8. Acknowledgments
+
+ The authors wish to thank Juergen Schoenwaelder, David Partain, Shawn
+ A. Routhier, Ed Yarwood, John Linton, Shyamal Prasad, Juan-Francisco
+ Martin, Dave Thaler, and Bert Wijnen for their invaluable comments.
+
+9. Authors' Addresses
+
+ Javier Pastor-Balbas
+ Ericsson Espana S.A.
+ Network Signaling System Management
+ Via de los Poblados 13
+ Madrid, 28033
+ Spain
+
+ Phone: +34-91-339-1397
+ EMail: J.Javier.Pastor@ericsson.com
+
+
+ Maria-Carmen Belinchon
+ Ericsson Espana S.A.
+ Network Signaling System Management
+ Via de los Poblados 13
+ Madrid, 28033
+ Spain
+
+ Phone: +34-91-339-3535
+ EMail: maria.carmen.belinchon@ericsson.com
+
+
+
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 45]
+\f
+RFC 3873 SCTP MIB using SMIv2 September 2004
+
+
+10. Full Copyright Statement
+
+ Copyright (C) The Internet Society (2004).
+
+ This document is subject to the rights, licenses and restrictions
+ contained in BCP 78, and except as set forth therein, the authors
+ retain all their rights.
+
+ This document and the information contained herein are provided on an
+ "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/S HE
+ REPRESENTS OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE
+ INTERNET ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF
+ THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
+ WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Intellectual Property
+
+ The IETF takes no position regarding the validity or scope of any
+ Intellectual Property Rights or other rights that might be claimed to
+ pertain to the implementation or use of the technology described in
+ this document or the extent to which any license under such rights
+ might or might not be available; nor does it represent that it has
+ made any independent effort to identify any such rights. Information
+ on the IETF's procedures with respect to rights in IETF Documents can
+ be found in BCP 78 and BCP 79.
+
+ Copies of IPR disclosures made to the IETF Secretariat and any
+ assurances of licenses to be made available, or the result of an
+ attempt made to obtain a general license or permission for the use of
+ such proprietary rights by implementers or users of this
+ specification can be obtained from the IETF on-line IPR repository at
+ http://www.ietf.org/ipr.
+
+ The IETF invites any interested party to bring to its attention any
+ copyrights, patents or patent applications, or other proprietary
+ rights that may cover technology that may be required to implement
+ this standard. Please address the information to the IETF at ietf-
+ ipr@ietf.org.
+
+Acknowledgement
+
+ Funding for the RFC Editor function is currently provided by the
+ Internet Society.
+
+
+
+
+
+
+
+Pastor & Belinchon Standards Track [Page 46]
+\f
--- /dev/null
+
+
+
+
+
+
+Network Working Group R. Stewart
+Request for Comments: 4460 Cisco Systems, Inc.
+Category: Informational I. Arias-Rodriguez
+ Nokia Research Center
+ K. Poon
+ Sun Microsystems, Inc.
+ A. Caro
+ BBN Technologies
+ M. Tuexen
+ Muenster Univ. of Applied Sciences
+ April 2006
+
+
+ Stream Control Transmission Protocol (SCTP) Specification
+ Errata and Issues
+
+
+Status of This Memo
+
+ This memo provides information for the Internet community. It does
+ not specify an Internet standard of any kind. Distribution of this
+ memo is unlimited.
+
+Copyright Notice
+
+ Copyright (C) The Internet Society (2006).
+
+Abstract
+
+ This document is a compilation of issues found during six
+ interoperability events and 5 years of experience with implementing,
+ testing, and using Stream Control Transmission Protocol (SCTP) along
+ with the suggested fixes. This document provides deltas to RFC 2960
+ and is organized in a time-based way. The issues are listed in the
+ order they were brought up. Because some text is changed several
+ times, the last delta in the text is the one that should be applied.
+ In addition to the delta, a description of the problem and the
+ details of the solution are also provided.
+
+Table of Contents
+
+ 1. Introduction ....................................................6
+ 1.1. Conventions ................................................7
+ 2. Corrections to RFC 2960 .........................................7
+ 2.1. Incorrect Error Type During Chunk Processing. ..............7
+ 2.1.1. Description of the Problem ..........................7
+ 2.1.2. Text changes to the document ........................7
+ 2.1.3. Solution Description ................................7
+
+
+
+Stewart, et al. Informational [Page 1]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ 2.2. Parameter Processing Issue .................................7
+ 2.2.1. Description of the Problem ..........................7
+ 2.2.2. Text Changes to the Document ........................8
+ 2.2.3. Solution Description ................................8
+ 2.3. Padding Issues .............................................8
+ 2.3.1. Description of the Problem ..........................8
+ 2.3.2. Text Changes to the Document ........................9
+ 2.3.3. Solution Description ...............................10
+ 2.4. Parameter Types across All Chunk Types ....................10
+ 2.4.1. Description of the Problem .........................10
+ 2.4.2. Text Changes to the Document .......................10
+ 2.4.3. Solution Description ...............................12
+ 2.5. Stream Parameter Clarification ............................12
+ 2.5.1. Description of the problem .........................12
+ 2.5.2. Text Changes to the Document .......................12
+ 2.5.3. Solution Description ...............................13
+ 2.6. Restarting Association Security Issue .....................13
+ 2.6.1. Description of the Problem .........................13
+ 2.6.2. Text Changes to the Document .......................14
+ 2.6.3. Solution Description ...............................18
+ 2.7. Implicit Ability to Exceed cwnd by PMTU-1 Bytes ...........19
+ 2.7.1. Description of the Problem .........................19
+ 2.7.2. Text Changes to the Document .......................19
+ 2.7.3. Solution Description ...............................19
+ 2.8. Issues with Fast Retransmit ...............................19
+ 2.8.1. Description of the Problem .........................19
+ 2.8.2. Text Changes to the Document .......................20
+ 2.8.3. Solution Description ...............................23
+ 2.9. Missing Statement about partial_bytes_acked Update ........24
+ 2.9.1. Description of the Problem .........................24
+ 2.9.2. Text Changes to the Document .......................24
+ 2.9.3. Solution Description ...............................25
+ 2.10. Issues with Heartbeating and Failure Detection ...........25
+ 2.10.1. Description of the Problem ........................25
+ 2.10.2. Text Changes to the Document ......................26
+ 2.10.3. Solution Description ..............................28
+ 2.11. Security interactions with firewalls .....................29
+ 2.11.1. Description of the Problem ........................29
+ 2.11.2. Text Changes to the Document ......................29
+ 2.11.3. Solution Description ..............................31
+ 2.12. Shutdown Ambiguity .......................................31
+ 2.12.1. Description of the Problem ........................31
+ 2.12.2. Text Changes to the Document ......................31
+ 2.12.3. Solution Description ..............................32
+ 2.13. Inconsistency in ABORT Processing ........................32
+ 2.13.1. Description of the Problem ........................32
+ 2.13.2. Text changes to the document ......................33
+ 2.13.3. Solution Description ..............................33
+
+
+
+Stewart, et al. Informational [Page 2]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ 2.14. Cwnd Gated by Its Full Use ...............................34
+ 2.14.1. Description of the Problem ........................34
+ 2.14.2. Text Changes to the Document ......................34
+ 2.14.3. Solution Description ..............................36
+ 2.15. Window Probes in SCTP ....................................36
+ 2.15.1. Description of the Problem ........................36
+ 2.15.2. Text Changes to the Document ......................36
+ 2.15.3. Solution Description ..............................38
+ 2.16. Fragmentation and Path MTU Issues ........................39
+ 2.16.1. Description of the Problem ........................39
+ 2.16.2. Text Changes to the Document ......................39
+ 2.16.3. Solution Description ..............................40
+ 2.17. Initial Value of the Cumulative TSN Ack ..................40
+ 2.17.1. Description of the Problem ........................40
+ 2.17.2. Text Changes to the Document ......................40
+ 2.17.3. Solution Description ..............................41
+ 2.18. Handling of Address Parameters within the INIT or
+ INIT-ACK .................................................41
+ 2.18.1. Description of the Problem ........................41
+ 2.18.2. Text Changes to the Document ......................41
+ 2.18.3. Solution description ..............................42
+ 2.19. Handling of Stream Shortages .............................42
+ 2.19.1. Description of the Problem ........................42
+ 2.19.2. Text Changes to the Document ......................42
+ 2.19.3. Solution Description ..............................43
+ 2.20. Indefinite Postponement ..................................43
+ 2.20.1. Description of the Problem ........................43
+ 2.20.2. Text Changes to the Document ......................43
+ 2.20.3. Solution Description ..............................44
+ 2.21. User-Initiated Abort of an Association ...................44
+ 2.21.1. Description of the Problem ........................44
+ 2.21.2. Text changes to the document ......................44
+ 2.21.3. Solution Description ..............................50
+ 2.22. Handling of Invalid Initiate Tag of INIT-ACK .............50
+ 2.22.1. Description of the Problem ........................50
+ 2.22.2. Text Changes to the Document ......................50
+ 2.22.3. Solution Description ..............................51
+ 2.23. Sending an ABORT in Response to an INIT ..................51
+ 2.23.1. Description of the Problem ........................51
+ 2.23.2. Text Changes to the Document ......................51
+ 2.23.3. Solution Description ..............................52
+ 2.24. Stream Sequence Number (SSN) Initialization ..............52
+ 2.24.1. Description of the Problem ........................52
+ 2.24.2. Text Changes to the Document ......................52
+ 2.24.3. Solution Description ..............................53
+ 2.25. SACK Packet Format .......................................53
+ 2.25.1. Description of the Problem ........................53
+ 2.25.2. Text Changes to the Document ......................53
+
+
+
+Stewart, et al. Informational [Page 3]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ 2.25.3. Solution Description ..............................53
+ 2.26. Protocol Violation Error Cause ...........................53
+ 2.26.1. Description of the Problem ........................53
+ 2.26.2. Text Changes to the Document ......................54
+ 2.26.3. Solution Description ..............................56
+ 2.27. Reporting of Unrecognized Parameters .....................56
+ 2.27.1. Description of the Problem ........................56
+ 2.27.2. Text Changes to the Document ......................56
+ 2.27.3. Solution Description ..............................57
+ 2.28. Handling of IP Address Parameters ........................58
+ 2.28.1. Description of the Problem ........................58
+ 2.28.2. Text Changes to the Document ......................58
+ 2.28.3. Solution Description ..............................58
+ 2.29. Handling of COOKIE ECHO Chunks When a TCB Exists .........59
+ 2.29.1. Description of the Problem ........................59
+ 2.29.2. Text Changes to the Document ......................59
+ 2.29.3. Solution Description ..............................59
+ 2.30. The Initial Congestion Window Size .......................59
+ 2.30.1. Description of the Problem ........................59
+ 2.30.2. Text Changes to the Document ......................60
+ 2.30.3. Solution Description ..............................61
+ 2.31. Stream Sequence Numbers in Figures .......................62
+ 2.31.1. Description of the Problem ........................62
+ 2.31.2. Text Changes to the Document ......................63
+ 2.31.3. Solution description ..............................67
+ 2.32. Unrecognized Parameters ..................................67
+ 2.32.1. Description of the Problem ........................67
+ 2.32.2. Text Changes to the Document ......................67
+ 2.32.3. Solution Description ..............................68
+ 2.33. Handling of Unrecognized Parameters ......................68
+ 2.33.1. Description of the Problem ........................68
+ 2.33.2. Text Changes to the Document ......................68
+ 2.33.3. Solution Description ..............................70
+ 2.34. Tie Tags .................................................70
+ 2.34.1. Description of the Problem ........................70
+ 2.34.2. Text Changes to the Document ......................70
+ 2.34.3. Solution Description ..............................72
+ 2.35. Port Number Verification in the COOKIE-ECHO ..............72
+ 2.35.1. Description of the Problem ........................72
+ 2.35.2. Text Changes to the Document ......................72
+ 2.35.3. Solution Description ..............................73
+ 2.36. Path Initialization ......................................74
+ 2.36.1. Description of the Problem ........................74
+ 2.36.2. Text Changes to the Document ......................74
+ 2.36.3. Solution Description ..............................76
+ 2.37. ICMP Handling Procedures .................................76
+ 2.37.1. Description of the Problem ........................76
+ 2.37.2. Text Changes to the Document ......................77
+
+
+
+Stewart, et al. Informational [Page 4]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ 2.37.3. Solution Description ..............................79
+ 2.38. Checksum .................................................79
+ 2.38.1. Description of the problem ........................79
+ 2.38.2. Text Changes to the Document ......................79
+ 2.38.3. Solution Description ..............................86
+ 2.39. Retransmission Policy ....................................86
+ 2.39.1. Description of the Problem ........................86
+ 2.39.2. Text Changes to the Document ......................87
+ 2.39.3. Solution Description ..............................87
+ 2.40. Port Number 0 ............................................88
+ 2.40.1. Description of the Problem ........................88
+ 2.40.2. Text Changes to the Document ......................88
+ 2.40.3. Solution Description ..............................89
+ 2.41. T Bit ....................................................89
+ 2.41.1. Description of the Problem ........................89
+ 2.41.2. Text Changes to the Document ......................89
+ 2.41.3. Solution Description ..............................93
+ 2.42. Unknown Parameter Handling ...............................93
+ 2.42.1. Description of the Problem ........................93
+ 2.42.2. Text Changes to the Document ......................93
+ 2.42.3. Solution Description ..............................95
+ 2.43. Cookie Echo Chunk ........................................95
+ 2.43.1. Description of the Problem ........................95
+ 2.43.2. Text Changes to the Document ......................95
+ 2.43.3. Solution Description ..............................96
+ 2.44. Partial Chunks ...........................................96
+ 2.44.1. Description of the Problem ........................96
+ 2.44.2. Text Changes to the Document ......................96
+ 2.44.3. Solution Description ..............................97
+ 2.45. Non-unicast Addresses ....................................97
+ 2.45.1. Description of the Problem ........................97
+ 2.45.2. Text Changes to the Document ......................97
+ 2.45.3. Solution Description ..............................98
+ 2.46. Processing of ABORT Chunks ...............................98
+ 2.46.1. Description of the Problem ........................98
+ 2.46.2. Text Changes to the Document ......................98
+ 2.46.3. Solution Description ..............................98
+ 2.47. Sending of ABORT Chunks ..................................99
+ 2.47.1. Description of the Problem ........................99
+ 2.47.2. Text Changes to the Document ......................99
+ 2.47.3. Solution Description ..............................99
+ 2.48. Handling of Supported Address Types Parameter ............99
+ 2.48.1. Description of the Problem ........................99
+ 2.48.2. Text Changes to the Document .....................100
+ 2.48.3. Solution Description .............................100
+ 2.49. Handling of Unexpected Parameters .......................101
+ 2.49.1. Description of the Problem .......................101
+ 2.49.2. Text Changes to the Document .....................101
+
+
+
+Stewart, et al. Informational [Page 5]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ 2.49.3. Solution Description .............................102
+ 2.50. Payload Protocol Identifier .............................102
+ 2.50.1. Description of the Problem .......................102
+ 2.50.2. Text Changes to the Document .....................103
+ 2.50.3. Solution Description .............................103
+ 2.51. Karn's Algorithm ........................................104
+ 2.51.1. Description of the Problem .......................104
+ 2.51.2. Text Changes to the Document .....................104
+ 2.51.3. Solution Description .............................104
+ 2.52. Fast Retransmit Algorithm ...............................104
+ 2.52.1. Description of the Problem .......................104
+ 2.52.2. Text Changes to the Document .....................105
+ 2.52.3. Solution Description .............................105
+ 3. Security Considerations .......................................105
+ 4. Acknowledgements ..............................................106
+ 5. IANA Considerations ...........................................106
+ 6. Normative References ..........................................106
+
+1. Introduction
+
+ This document contains a compilation of all defects found up until
+ the publishing of this document for the Stream Control Transmission
+ Protocol (SCTP), RFC 2960 [5]. These defects may be of an editorial
+ or technical nature. This document may be thought of as a companion
+ document to be used in the implementation of SCTP to clarify errors
+ in the original SCTP document.
+
+ This document provides a history of the changes that will be compiled
+ into RFC 2960's [5] BIS document. Each error will be detailed within
+ this document in the form of
+
+ o the problem description,
+
+ o the text quoted from RFC 2960 [5],
+
+ o the replacement text that should be placed into the BIS document,
+ and
+
+ o a description of the solution.
+
+ This document is a historical record of sequential changes what have
+ been found necessary at various interop events and through discussion
+ on this list.
+
+ Note that because some text is changed several times, the last delta
+ for a text in the document is the erratum for that text in RFC 2960.
+
+
+
+
+
+Stewart, et al. Informational [Page 6]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+1.1. Conventions
+
+ The keywords MUST, MUST NOT, REQUIRED, SHALL, SHALL NOT, SHOULD,
+ SHOULD NOT, RECOMMENDED, NOT RECOMMENDED, MAY, and OPTIONAL, when
+ they appear in this document, are to be interpreted as described in
+ RFC 2119 [2].
+
+2. Corrections to RFC 2960
+
+2.1. Incorrect Error Type During Chunk Processing.
+
+2.1.1. Description of the Problem
+
+ A typo was discovered in RFC 2960 [5] that incorrectly specifies an
+ action to be taken when processing chunks of unknown identity.
+
+2.1.2. Text changes to the document
+
+ ---------
+ Old text: (Section 3.2)
+ ---------
+
+ 01 - Stop processing this SCTP packet and discard it, do not process
+ any further chunks within it, and report the unrecognized
+ parameter in an 'Unrecognized Parameter Type' (in either an
+ ERROR or in the INIT ACK).
+
+ ---------
+ New text: (Section 3.2)
+ ---------
+
+ 01 - Stop processing this SCTP packet and discard it, do not process
+ any further chunks within it, and report the unrecognized
+ chunk in an 'Unrecognized Chunk Type'.
+
+2.1.3. Solution Description
+
+ The receiver of an unrecognized chunk should not send a 'parameter'
+ error but instead should send the appropriate chunk error as
+ described above.
+
+2.2. Parameter Processing Issue
+
+2.2.1. Description of the Problem
+
+ A typographical error was introduced through an improper cut and
+ paste in the use of the upper two bits to describe proper handling of
+ unknown parameters.
+
+
+
+Stewart, et al. Informational [Page 7]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.2.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.2.1)
+ ---------
+
+ 00 - Stop processing this SCTP packet and discard it; do not process
+ any further chunks within it.
+
+ 01 - Stop processing this SCTP packet and discard it, do not process
+ any further chunks within it, and report the unrecognized
+ parameter in an 'Unrecognized Parameter Type' (in either an
+ ERROR or in the INIT ACK).
+
+ ---------
+ New text: (Section 3.2.1)
+ ---------
+
+ 00 - Stop processing this SCTP chunk and discard it, do not process
+ any further parameters within this chunk.
+
+ 01 - Stop processing this SCTP chunk and discard it, do not process
+ any further parameters within this chunk, and report the
+ unrecognized parameter in an 'Unrecognized Parameter Type' (in
+ either an ERROR or in the INIT ACK).
+
+2.2.3. Solution Description
+
+ It was always the intent to stop processing at the level one was at
+ in an unknown chunk or parameter with the upper bit set to 0. Thus,
+ if you are processing a chunk, you should drop the packet. If you
+ are processing a parameter, you should drop the chunk.
+
+2.3. Padding Issues
+
+2.3.1. Description of the Problem
+
+ A problem was found when a Chunk terminated in a TLV parameter. If
+ this last TLV was not on a 32-bit boundary (as required), there was
+ confusion as to whether the last padding was included in the chunk
+ length.
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 8]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.3.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.2)
+ ---------
+
+ Chunk Length: 16 bits (unsigned integer)
+
+ This value represents the size of the chunk in bytes including the
+ Chunk Type, Chunk Flags, Chunk Length, and Chunk Value fields.
+ Therefore, if the Chunk Value field is zero-length, the Length
+ field will be set to 4. The Chunk Length field does not count any
+ padding.
+
+ Chunk Value: variable length
+
+ The Chunk Value field contains the actual information to be
+ transferred in the chunk. The usage and format of this field is
+ dependent on the Chunk Type.
+
+ The total length of a chunk (including Type, Length and Value fields)
+ MUST be a multiple of 4 bytes. If the length of the chunk is not a
+ multiple of 4 bytes, the sender MUST pad the chunk with all zero
+ bytes and this padding is not included in the chunk length field.
+ The sender should never pad with more than 3 bytes. The receiver
+ MUST ignore the padding bytes.
+
+ ---------
+ New text: (Section 3.2)
+ ---------
+
+ Chunk Length: 16 bits (unsigned integer)
+
+ This value represents the size of the chunk in bytes, including
+ the Chunk Type, Chunk Flags, Chunk Length, and Chunk Value fields.
+ Therefore, if the Chunk Value field is zero-length, the Length
+ field will be set to 4. The Chunk Length field does not count any
+ chunk padding.
+
+ Chunks (including Type, Length, and Value fields) are padded out
+ by the sender with all zero bytes to be a multiple of 4 bytes
+ long. This padding MUST NOT be more than 3 bytes in total. The
+ Chunk Length value does not include terminating padding of the
+ chunk. However, it does include padding of any variable-length
+ parameter except the last parameter in the chunk. The receiver
+ MUST ignore the padding.
+
+
+
+
+
+Stewart, et al. Informational [Page 9]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ Note: A robust implementation should accept the Chunk whether or
+ not the final padding has been included in the Chunk Length.
+
+ Chunk Value: variable length
+
+ The Chunk Value field contains the actual information to be
+ transferred in the chunk. The usage and format of this field is
+ dependent on the Chunk Type.
+
+ The total length of a chunk (including Type, Length, and Value
+ fields) MUST be a multiple of 4 bytes. If the length of the chunk is
+ not a multiple of 4 bytes, the sender MUST pad the chunk with all
+ zero bytes, and this padding is not included in the chunk length
+ field. The sender should never pad with more than 3 bytes. The
+ receiver MUST ignore the padding bytes.
+
+2.3.3. Solution Description
+
+ The above text makes clear that the padding of the last parameter is
+ not included in the Chunk Length field. It also clarifies that the
+ padding of parameters that are not the last one must be counted in
+ the Chunk Length field.
+
+2.4. Parameter Types across All Chunk Types
+
+2.4.1. Description of the Problem
+
+ A problem was noted when multiple errors are needed to be sent
+ regarding unknown or unrecognized parameters. Since often the error
+ type does not hold the chunk type field, it may become difficult to
+ tell which error was associated with which chunk.
+
+2.4.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.2.1)
+ ---------
+
+ The actual SCTP parameters are defined in the specific SCTP chunk
+ sections. The rules for IETF-defined parameter extensions are
+ defined in Section 13.2.
+
+ ---------
+ New text: (Section 3.2.1)
+ ---------
+
+ The actual SCTP parameters are defined in the specific SCTP chunk
+ sections. The rules for IETF-defined parameter extensions are
+
+
+
+Stewart, et al. Informational [Page 10]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ defined in Section 13.2. Note that a parameter type MUST be unique
+ across all chunks. For example, the parameter type '5' is used to
+ represent an IPv4 address (see Section 3.3.2). The value '5' then is
+ reserved across all chunks to represent an IPv4 address and MUST NOT
+ be reused with a different meaning in any other chunk.
+
+ ---------
+ Old text: (Section 13.2)
+ ---------
+
+ 13.2 IETF-defined Chunk Parameter Extension
+
+ The assignment of new chunk parameter type codes is done through an
+ IETF Consensus action as defined in [RFC2434]. Documentation of the
+ chunk parameter MUST contain the following information:
+
+ a) Name of the parameter type.
+
+ b) Detailed description of the structure of the parameter field.
+ This structure MUST conform to the general type-length-value
+ format described in Section 3.2.1.
+
+ c) Detailed definition of each component of the parameter type.
+
+ d) Detailed description of the intended use of this parameter type,
+ and an indication of whether and under what circumstances multiple
+ instances of this parameter type may be found within the same
+ chunk.
+
+ ---------
+ New text: (Section 13.2)
+ ---------
+
+ 13.2. IETF-defined Chunk Parameter Extension
+
+ The assignment of new chunk parameter type codes is done through an
+ IETF Consensus action, as defined in [RFC2434]. Documentation of the
+ chunk parameter MUST contain the following information:
+
+ a) Name of the parameter type.
+
+ b) Detailed description of the structure of the parameter field.
+ This structure MUST conform to the general type-length-value
+ format described in Section 3.2.1.
+
+ c) Detailed definition of each component of the parameter type.
+
+
+
+
+
+Stewart, et al. Informational [Page 11]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ d) Detailed description of the intended use of this parameter type,
+ and an indication of whether and under what circumstances multiple
+ instances of this parameter type may be found within the same
+ chunk.
+
+ e) Each parameter type MUST be unique across all chunks.
+
+2.4.3. Solution Description
+
+ By having all parameters unique across all chunk assignments (the
+ current assignment policy), no ambiguity exists as to what a
+ parameter means in different contexts. The trade-off for this is a
+ smaller parameter space, i.e., 65,536 parameters versus 65,536 *
+ Number-of- chunks.
+
+2.5. Stream Parameter Clarification
+
+2.5.1. Description of the problem
+
+ A problem was found where the specification is unclear on the
+ legality of an endpoint asking for more stream resources than were
+ allowed in the MIS value of the INIT. In particular, the value in
+ the INIT ACK requested in its OS value was larger than the MIS value
+ received in the INIT chunk. This behavior is illegal, yet it was
+ unspecified in RFC 2960 [5]
+
+2.5.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.3.3)
+ ---------
+
+ Number of Outbound Streams (OS): 16 bits (unsigned integer)
+
+ Defines the number of outbound streams the sender of this INIT ACK
+ chunk wishes to create in this association. The value of 0 MUST
+ NOT be used.
+
+ Note: A receiver of an INIT ACK with the OS value set to 0 SHOULD
+ destroy the association discarding its TCB.
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 12]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 3.3.3)
+ ---------
+
+ Number of Outbound Streams (OS): 16 bits (unsigned integer)
+
+ Defines the number of outbound streams the sender of this INIT ACK
+ chunk wishes to create in this association. The value of 0 MUST
+ NOT be used, and the value MUST NOT be greater than the MIS value
+ sent in the INIT chunk.
+
+ Note: A receiver of an INIT ACK with the OS value set to 0 SHOULD
+ destroy the association, discarding its TCB.
+
+2.5.3. Solution Description
+
+ The change in wording, above, changes it so that a responder to an
+ INIT chunk does not specify more streams in its OS value than were
+ represented to it in the MIS value, i.e., its maximum.
+
+2.6. Restarting Association Security Issue
+
+2.6.1. Description of the Problem
+
+ A security problem was found when a restart occurs. It is possible
+ for an intruder to send an INIT to an endpoint of an existing
+ association. In the INIT the intruder would list one or more of the
+ current addresses of an association and its own. The normal restart
+ procedures would then occur, and the intruder would have hijacked an
+ association.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 13]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.6.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.3.10)
+ ---------
+
+ Cause Code
+ Value Cause Code
+ --------- ----------------
+ 1 Invalid Stream Identifier
+ 2 Missing Mandatory Parameter
+ 3 Stale Cookie Error
+ 4 Out of Resource
+ 5 Unresolvable Address
+ 6 Unrecognized Chunk Type
+ 7 Invalid Mandatory Parameter
+ 8 Unrecognized Parameters
+ 9 No User Data
+ 10 Cookie Received While Shutting Down
+
+ Cause Length: 16 bits (unsigned integer)
+
+ Set to the size of the parameter in bytes, including the Cause
+ Code, Cause Length, and Cause-Specific Information fields
+
+ Cause-specific Information: variable length
+
+ This field carries the details of the error condition.
+
+ Sections 3.3.10.1 - 3.3.10.10 define error causes for SCTP.
+
+ Guidelines for the IETF to define new error cause values are
+ discussed in Section 13.3.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 14]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 3.3.10)
+ ---------
+
+ Cause Code
+ Value Cause Code
+ --------- ----------------
+ 1 Invalid Stream Identifier
+ 2 Missing Mandatory Parameter
+ 3 Stale Cookie Error
+ 4 Out of Resource
+ 5 Unresolvable Address
+ 6 Unrecognized Chunk Type
+ 7 Invalid Mandatory Parameter
+ 8 Unrecognized Parameters
+ 9 No User Data
+ 10 Cookie Received While Shutting Down
+ 11 Restart of an Association with New Addresses
+
+ Cause Length: 16 bits (unsigned integer)
+
+ Set to the size of the parameter in bytes, including the Cause
+ Code, Cause Length, and Cause-Specific Information fields.
+
+ Cause-specific Information: variable length
+
+ This field carries the details of the error condition.
+
+ Sections 3.3.10.1 - 3.3.10.11 define error causes for SCTP.
+ Guidelines for the IETF to define new error cause values are
+ discussed in Section 13.3.
+
+ ---------
+ New text: (Note no old text, new error cause added in section 3.3.10)
+ ---------
+
+ 3.3.10.11. Restart of an Association with New Addresses (11)
+
+ Cause of error
+ --------------
+ Restart of an association with new addresses: An INIT was received
+ on an existing association. But the INIT added addresses to the
+ association that were previously NOT part of the association. The
+ new addresses are listed in the error code. This ERROR is normally
+ sent as part of an ABORT refusing the INIT (see Section 5.2).
+
+
+
+
+
+
+Stewart, et al. Informational [Page 15]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Cause Code=11 | Cause Length=Variable |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ / New Address TLVs /
+ \ \
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ Note: Each New Address TLV is an exact copy of the TLV
+ that was found in the INIT chunk that was new, including the
+ Parameter Type and the Parameter length.
+
+ ---------
+ Old text: (Section 5.2.1)
+ ---------
+
+ Upon receipt of an INIT in the COOKIE-WAIT or COOKIE-ECHOED state, an
+ endpoint MUST respond with an INIT ACK using the same parameters it
+ sent in its original INIT chunk (including its Initiation Tag,
+ unchanged). These original parameters are combined with those from
+ the newly received INIT chunk. The endpoint shall also generate a
+ State Cookie with the INIT ACK. The endpoint uses the parameters
+ sent in its INIT to calculate the State Cookie.
+
+ ---------
+ New text: (Section 5.2.1)
+ ---------
+
+ Upon receipt of an INIT in the COOKIE-WAIT state, an endpoint MUST
+ respond with an INIT ACK using the same parameters it sent in its
+ original INIT chunk (including its Initiation Tag, unchanged). When
+ responding, the endpoint MUST send the INIT ACK back to the same
+ address that the original INIT (sent by this endpoint) was sent to.
+
+ Upon receipt of an INIT in the COOKIE-ECHOED state, an endpoint MUST
+ respond with an INIT ACK using the same parameters it sent in its
+ original INIT chunk (including its Initiation Tag, unchanged),
+ provided that no NEW address has been added to the forming
+ association. If the INIT message indicates that a new address has
+ been added to the association, then the entire INIT MUST be
+ discarded, and NO changes should be made to the existing association.
+ An ABORT SHOULD be sent in response that MAY include the error
+ 'Restart of an association with new addresses'. The error SHOULD
+ list the addresses that were added to the restarting association.
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 16]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ When responding in either state (COOKIE-WAIT or COOKIE-ECHOED) with
+ an INIT ACK, the original parameters are combined with those from the
+ newly received INIT chunk. The endpoint shall also generate a State
+ Cookie with the INIT ACK. The endpoint uses the parameters sent in
+ its INIT to calculate the State Cookie.
+
+ ---------
+ Old text: (Section 5.2.2)
+ ---------
+
+ 5.2.2 Unexpected INIT in States Other than CLOSED, COOKIE-ECHOED,
+ COOKIE-WAIT and SHUTDOWN-ACK-SENT
+
+ Unless otherwise stated, upon reception of an unexpected INIT for
+ this association, the endpoint shall generate an INIT ACK with a
+ State Cookie. In the outbound INIT ACK the endpoint MUST copy its
+ current Verification Tag and peer's Verification Tag into a reserved
+ place within the state cookie. We shall refer to these locations as
+ the Peer's-Tie-Tag and the Local-Tie-Tag. The outbound SCTP packet
+ containing this INIT ACK MUST carry a Verification Tag value equal to
+ the Initiation Tag found in the unexpected INIT. And the INIT ACK
+ MUST contain a new Initiation Tag (randomly generated see Section
+ 5.3.1). Other parameters for the endpoint SHOULD be copied from the
+ existing parameters of the association (e.g., number of outbound
+ streams) into the INIT ACK and cookie.
+
+ After sending out the INIT ACK, the endpoint shall take no further
+ actions, i.e., the existing association, including its current state,
+ and the corresponding TCB MUST NOT be changed.
+
+ Note: Only when a TCB exists and the association is not in a COOKIE-
+ WAIT state are the Tie-Tags populated. For a normal association INIT
+ (i.e., the endpoint is in a COOKIE-WAIT state), the Tie-Tags MUST be
+ set to 0 (indicating that no previous TCB existed). The INIT ACK and
+ State Cookie are populated as specified in section 5.2.1.
+
+ ---------
+ New text: (Section 5.2.2)
+ ---------
+
+ 5.2.2. Unexpected INIT in States Other Than CLOSED, COOKIE-ECHOED,
+ COOKIE-WAIT, and SHUTDOWN-ACK-SENT
+
+ Unless otherwise stated, upon receipt of an unexpected INIT for this
+ association, the endpoint shall generate an INIT ACK with a State
+ Cookie. Before responding, the endpoint MUST check to see if the
+ unexpected INIT adds new addresses to the association. If new
+ addresses are added to the association, the endpoint MUST respond
+
+
+
+Stewart, et al. Informational [Page 17]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ with an ABORT, copying the 'Initiation Tag' of the unexpected INIT
+ into the 'Verification Tag' of the outbound packet carrying the
+ ABORT. In the ABORT response, the cause of error MAY be set to
+ 'restart of an association with new addresses'. The error SHOULD
+ list the addresses that were added to the restarting association.
+
+ If no new addresses are added, when responding to the INIT in the
+ outbound INIT ACK, the endpoint MUST copy its current Verification
+ Tag and peer's Verification Tag into a reserved place within the
+ state cookie. We shall refer to these locations as the Peer's-Tie-
+ Tag and the Local-Tie-Tag. The outbound SCTP packet containing this
+ INIT ACK MUST carry a Verification Tag value equal to the Initiation
+ Tag found in the unexpected INIT. And the INIT ACK MUST contain a
+ new Initiation Tag (randomly generated; see Section 5.3.1). Other
+ parameters for the endpoint SHOULD be copied from the existing
+ parameters of the association (e.g., number of outbound streams) into
+ the INIT ACK and cookie.
+
+ After sending out the INIT ACK or ABORT, the endpoint shall take no
+ further actions; i.e., the existing association, including its
+ current state, and the corresponding TCB MUST NOT be changed.
+
+ Note: Only when a TCB exists and the association is not in a COOKIE-
+ WAIT or SHUTDOWN-ACK-SENT state are the Tie-Tags populated with a
+ value other than 0. For a normal association INIT (i.e., the
+ endpoint is in the CLOSED state), the Tie-Tags MUST be set to 0
+ (indicating that no previous TCB existed).
+
+2.6.3. Solution Description
+
+ A new error code is being added, along with specific instructions to
+ send back an ABORT to a new association in a restart case or
+ collision case, where new addresses have been added. The error code
+ can be used by a legitimate restart to inform the endpoint that it
+ has made a software error in adding a new address. The endpoint then
+ can choose to wait until the OOTB ABORT tears down the old
+ association, or to restart without the new address.
+
+ Also, the note at the end of Section 5.2.2 explaining the use of the
+ Tie-Tags was modified to properly explain the states in which the
+ Tie-Tags should be set to a value different than 0.
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 18]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.7. Implicit Ability to Exceed cwnd by PMTU-1 Bytes
+
+2.7.1. Description of the Problem
+
+ Some implementations were having difficulty growing their cwnd. This
+ was due to an improper enforcement of the congestion control rules.
+ The rules, as written, provided for a slop over of the cwnd value.
+ Without this slop over, the sender would appear NOT to be using its
+ full cwnd value and thus would never increase it.
+
+2.7.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 6.1)
+ ---------
+
+ B) At any given time, the sender MUST NOT transmit new data to a
+ given transport address if it has cwnd or more bytes of data
+ outstanding to that transport address.
+
+ ---------
+ New text: (Section 6.1)
+ ---------
+
+ B) At any given time, the sender MUST NOT transmit new data to a
+ given transport address if it has cwnd or more bytes of data
+ outstanding to that transport address. The sender may exceed cwnd
+ by up to (PMTU-1) bytes on a new transmission if the cwnd is not
+ currently exceeded.
+
+2.7.3. Solution Description
+
+ The text changes make clear the ability to go over the cwnd value by
+ no more than (PMTU-1) bytes.
+
+2.8. Issues with Fast Retransmit
+
+2.8.1. Description of the Problem
+
+ Several problems were found in the current specification of fast
+ retransmit. The current wording did not require GAP ACK blocks to be
+ sent, even though they are essential to the workings of SCTP's
+ congestion control. The specification left unclear how to handle the
+ fast retransmit cycle, having the implementation wait on the cwnd to
+ retransmit a TSN that was marked for fast retransmit. No limit was
+ placed on how many times a TSN could be fast retransmitted. Fast
+ Recovery was not specified, causing the congestion window to be
+ reduced drastically when there are multiple losses in a single RTT.
+
+
+
+Stewart, et al. Informational [Page 19]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.8.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 6.2)
+ ---------
+
+ Acknowledgements MUST be sent in SACK chunks unless shutdown was
+ requested by the ULP in which case an endpoint MAY send an
+ acknowledgement in the SHUTDOWN chunk. A SACK chunk can acknowledge
+ the reception of multiple DATA chunks. See Section 3.3.4 for SACK
+ chunk format. In particular, the SCTP endpoint MUST fill in the
+ Cumulative TSN Ack field to indicate the latest sequential TSN (of a
+ valid DATA chunk) it has received. Any received DATA chunks with TSN
+ greater than the value in the Cumulative TSN Ack field SHOULD also be
+ reported in the Gap Ack Block fields.
+
+ ---------
+ New text: (Section 6.2)
+ ---------
+
+ Acknowledegments MUST be sent in SACK chunks unless shutdown was
+ requested by the ULP, in which case an endpoint MAY send an
+ acknowledgement in the SHUTDOWN chunk. A SACK chunk can acknowledge
+ the reception of multiple DATA chunks. See Section 3.3.4 for SACK
+ chunk format. In particular, the SCTP endpoint MUST fill in the
+ Cumulative TSN Ack field to indicate the latest sequential TSN (of a
+ valid DATA chunk) it has received. Any received DATA chunks with
+ TSN greater than the value in the Cumulative TSN Ack field are
+ reported in the Gap Ack Block fields. The SCTP endpoint MUST
+ report as many Gap Ack Blocks as can fit in a single SACK
+ chunk limited by the current path MTU.
+
+ ---------
+ Old text: (Section 6.2.1)
+ ---------
+
+ D) Any time a SACK arrives, the endpoint performs the following:
+
+ i) If Cumulative TSN Ack is less than the Cumulative TSN Ack
+ Point, then drop the SACK. Since Cumulative TSN Ack is
+ monotonically increasing, a SACK whose Cumulative TSN Ack is
+ less than the Cumulative TSN Ack Point indicates an out-of-
+ order SACK.
+
+ ii) Set rwnd equal to the newly received a_rwnd minus the
+ number of bytes still outstanding after processing the
+ Cumulative TSN Ack and the Gap Ack Blocks.
+
+
+
+
+Stewart, et al. Informational [Page 20]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ iii) If the SACK is missing a TSN that was previously
+ acknowledged via a Gap Ack Block (e.g., the data receiver
+ reneged on the data), then mark the corresponding DATA chunk
+ as available for retransmit: Mark it as missing for fast
+ retransmit as described in Section 7.2.4 and if no
+ retransmit timer is running for the destination address
+ to which the DATA chunk was originally transmitted, then
+ T3-rtx is started for that destination address.
+
+ ---------
+ New text: (Section 6.2.1)
+ ---------
+
+ D) Any time a SACK arrives, the endpoint performs the following:
+
+ i) If Cumulative TSN Ack is less than the Cumulative TSN Ack
+ Point, then drop the SACK. Since Cumulative TSN Ack is
+ monotonically increasing, a SACK whose Cumulative TSN Ack is
+ less than the Cumulative TSN Ack Point indicates an out-of-
+ order SACK.
+
+ ii) Set rwnd equal to the newly received a_rwnd minus the
+ number of bytes still outstanding after processing the
+ Cumulative TSN Ack and the Gap Ack Blocks.
+
+ iii) If the SACK is missing a TSN that was previously
+ acknowledged via a Gap Ack Block (e.g., the data receiver
+ reneged on the data), then consider the corresponding DATA
+ that might be possibly missing: Count one miss indication
+ towards fast retransmit as described in Section 7.2.4, and
+ if no retransmit timer is running for the destination
+ address to which the DATA chunk was originally transmitted,
+ then T3-rtx is started for that destination address.
+
+ iv) If the Cumulative TSN Ack matches or exceeds the Fast
+ Recovery exitpoint (Section 7.2.4), Fast Recovery is exited.
+
+ ---------
+ Old text: (Section 7.2.4)
+ ---------
+
+ Whenever an endpoint receives a SACK that indicates some TSN(s)
+ missing, it SHOULD wait for 3 further miss indications (via
+ subsequent SACK's) on the same TSN(s) before taking action with
+ regard to Fast Retransmit.
+
+ When the TSN(s) is reported as missing in the fourth consecutive
+ SACK, the data sender shall:
+
+
+
+Stewart, et al. Informational [Page 21]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ 1) Mark the missing DATA chunk(s) for retransmission,
+
+ 2) Adjust the ssthresh and cwnd of the destination address(es) to
+ which the missing DATA chunks were last sent, according to the
+ formula described in Section 7.2.3.
+
+ 3) Determine how many of the earliest (i.e., lowest TSN) DATA chunks
+ marked for retransmission will fit into a single packet, subject
+ to constraint of the path MTU of the destination transport address
+ to which the packet is being sent. Call this value K. Retransmit
+ those K DATA chunks in a single packet.
+
+ 4) Restart T3-rtx timer only if the last SACK acknowledged the lowest
+ outstanding TSN number sent to that address, or the endpoint is
+ retransmitting the first outstanding DATA chunk sent to that
+ address.
+
+ Note: Before the above adjustments, if the received SACK also
+ acknowledges new DATA chunks and advances the Cumulative TSN Ack
+ Point, the cwnd adjustment rules defined in Sections 7.2.1 and 7.2.2
+ must be applied first.
+
+ A straightforward implementation of the above keeps a counter for
+ each TSN hole reported by a SACK. The counter increments for each
+ consecutive SACK reporting the TSN hole. After reaching 4 and
+ starting the fast retransmit procedure, the counter resets to 0.
+ Because cwnd in SCTP indirectly bounds the number of outstanding
+ TSN's, the effect of TCP fast-recovery is achieved automatically with
+ no adjustment to the congestion control window size.
+
+ ---------
+ New text: (Section 7.2.4)
+ ---------
+
+ Whenever an endpoint receives a SACK that indicates that some TSNs
+ are missing, it SHOULD wait for 3 further miss indications (via
+ subsequent SACKs) on the same TSN(s) before taking action with
+ regard to Fast Retransmit.
+
+ Miss indications SHOULD follow the HTNA (Highest TSN Newly
+ Acknowledged) algorithm. For each incoming SACK, miss
+ indications are incremented only for missing TSNs prior to
+ the highest TSN newly acknowledged in the SACK. A newly
+ acknowledged DATA chunk is one not previously acknowledged
+ in a SACK. If an endpoint is in Fast Recovery and a SACK
+ arrives that advances the Cumulative TSN Ack Point, the
+ miss indications are incremented for all TSNs reported
+ missing in the SACK.
+
+
+
+Stewart, et al. Informational [Page 22]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ When the fourth consecutive miss indication is received for a TSN(s),
+ the data sender shall do the following:
+
+ 1) Mark the DATA chunk(s) with four miss indications for
+ retransmission.
+
+ 2) If not in Fast Recovery, adjust the ssthresh and cwnd of the
+ destination address(es) to which the missing DATA chunks were
+ last sent, according to the formula described in Section 7.2.3.
+
+ 3) Determine how many of the earliest (i.e., lowest TSN) DATA chunks
+ marked for retransmission will fit into a single packet, subject
+ to constraint of the path MTU of the destination transport address
+ to which the packet is being sent. Call this value K. Retransmit
+ those K DATA chunks in a single packet. When a Fast Retransmit is
+ being performed, the sender SHOULD ignore the value of cwnd and
+ SHOULD NOT delay retransmission for this single packet.
+
+ 4) Restart T3-rtx timer only if the last SACK acknowledged the lowest
+ outstanding TSN number sent to that address, or the endpoint is
+ retransmitting the first outstanding DATA chunk sent to that
+ address.
+
+ 5) Mark the DATA chunk(s) as being fast retransmitted and thus
+ ineligible for a subsequent fast retransmit. Those TSNs marked
+ for retransmission due to the Fast Retransmit algorithm that
+ did not fit in the sent datagram carrying K other TSNs are also
+ marked as ineligible for a subsequent fast retransmit. However,
+ as they are marked for retransmission they will be retransmitted
+ later on as soon as cwnd allows.
+
+ 6) If not in Fast Recovery, enter Fast Recovery and mark the highest
+ outstanding TSN as the Fast Recovery exit point. When a SACK
+ acknowledges all TSNs up to and including this exit point, Fast
+ Recovery is exited. While in Fast Recovery, the ssthresh and cwnd
+ SHOULD NOT change for any destinations due to a subsequent Fast
+ Recovery event (i.e., one SHOULD NOT reduce the cwnd further due
+ to a subsequent fast retransmit).
+
+ Note: Before the above adjustments, if the received SACK also
+ acknowledges new DATA chunks and advances the Cumulative TSN Ack
+ Point, the cwnd adjustment rules defined in Sections 7.2.1 and 7.2.2
+ must be applied first.
+
+2.8.3. Solution Description
+
+ The effect of the above wording changes are as follows:
+
+
+
+
+Stewart, et al. Informational [Page 23]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ o It requires with a MUST the sending of GAP Ack blocks instead of
+ the current RFC 2960 [5] SHOULD.
+
+ o It allows a TSN being Fast Retransmitted (FR) to be sent only once
+ via FR.
+
+ o It ends the delay in waiting for the flight size to drop when a
+ TSN is identified as being ready to FR.
+
+ o It changes the way chunks are marked during fast retransmit, so
+ that only new reports are counted.
+
+ o It introduces a Fast Recovery period to avoid multiple congestion
+ window reductions when there are multiple losses in a single RTT
+ (as shown by Caro et al. [3]).
+
+ These changes will effectively allow SCTP to follow a similar model
+ as TCP+SACK in the handling of Fast Retransmit.
+
+2.9. Missing Statement about partial_bytes_acked Update
+
+2.9.1. Description of the Problem
+
+ SCTP uses four control variables to regulate its transmission rate:
+ rwnd, cwnd, ssthresh, and partial_bytes_acked. Upon detection of
+ packet losses from SACK, or when the T3-rtx timer expires on an
+ address, cwnd and ssthresh should be updated as stated in Section
+ 7.2.3. However, that section should also clarify that
+ partial_bytes_acked must be updated as well; it has to be reset to 0.
+
+2.9.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 7.2.3)
+ ---------
+
+ 7.2.3 Congestion Control
+
+ Upon detection of packet losses from SACK (see Section 7.2.4), An
+ endpoint should do the following:
+
+ ssthresh = max(cwnd/2, 2*MTU)
+ cwnd = ssthresh
+
+ Basically, a packet loss causes cwnd to be cut in half.
+
+ When the T3-rtx timer expires on an address, SCTP should perform slow
+ start by:
+
+
+
+Stewart, et al. Informational [Page 24]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ssthresh = max(cwnd/2, 2*MTU)
+ cwnd = 1*MTU
+
+ ---------
+ New text: (Section 7.2.3)
+ ---------
+
+ 7.2.3. Congestion Control
+
+ Upon detection of packet losses from SACK (see Section 7.2.4), an
+ endpoint should do the following if not in Fast Recovery:
+
+ ssthresh = max(cwnd/2, 2*MTU)
+ cwnd = ssthresh
+ partial_bytes_acked = 0
+
+ Basically, a packet loss causes cwnd to be cut in half.
+
+ When the T3-rtx timer expires on an address, SCTP should perform slow
+ start by
+
+ ssthresh = max(cwnd/2, 2*MTU)
+ cwnd = 1*MTU
+ partial_bytes_acked = 0
+
+2.9.3. Solution Description
+
+ The missing text added solves the doubts about what to do with
+ partial_bytes_acked in the situations stated in Section 7.2.3, making
+ clear that, along with ssthresh and cwnd, partial_bytes_acked should
+ also be updated by being reset to 0.
+
+2.10. Issues with Heartbeating and Failure Detection
+
+2.10.1. Description of the Problem
+
+ Five basic problems have been discovered with the current heartbeat
+ procedures:
+
+ o The current specification does not specify that you should count a
+ failed heartbeat as an error against the overall association.
+
+ o The current specification is not specific as to when you start
+ sending heartbeats and when you should stop.
+
+ o The current specification is not specific as to when you should
+ respond to heartbeats.
+
+
+
+
+Stewart, et al. Informational [Page 25]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ o When responding to a Heartbeat, it is unclear what to do if more
+ than a single TLV is present.
+
+ o The jitter applied to a heartbeat was meant to be a small variance
+ of the RTO and is currently a wide variance, due to the default
+ delay time and incorrect wording within the RFC.
+
+2.10.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 8.1)
+ ---------
+
+ 8.1 Endpoint Failure Detection
+
+ An endpoint shall keep a counter on the total number of consecutive
+ retransmissions to its peer (including retransmissions to all the
+ destination transport addresses of the peer if it is multi-homed).
+ If the value of this counter exceeds the limit indicated in the
+ protocol parameter 'Association.Max.Retrans', the endpoint shall
+ consider the peer endpoint unreachable and shall stop transmitting
+ any more data to it (and thus the association enters the CLOSED
+ state). In addition, the endpoint shall report the failure to the
+ upper layer, and optionally report back all outstanding user data
+ remaining in its outbound queue. The association is automatically
+ closed when the peer endpoint becomes unreachable.
+
+ The counter shall be reset each time a DATA chunk sent to that peer
+ endpoint is acknowledged (by the reception of a SACK), or a
+ HEARTBEAT-ACK is received from the peer endpoint.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 26]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 8.1)
+ ---------
+
+ 8.1. Endpoint Failure Detection
+
+ An endpoint shall keep a counter on the total number of consecutive
+ retransmissions to its peer (this includes retransmissions to all the
+ destination transport addresses of the peer if it is multi-homed),
+ including unacknowledged HEARTBEAT Chunks. If the value of this
+ counter exceeds the limit indicated in the protocol parameter
+ 'Association.Max.Retrans', the endpoint shall consider the peer
+ endpoint unreachable and shall stop transmitting any more data to it
+ (and thus the association enters the CLOSED state). In addition, the
+ endpoint MAY report the failure to the upper layer and optionally
+ report back all outstanding user data remaining in its outbound
+ queue. The association is automatically closed when the peer
+ endpoint becomes unreachable.
+
+ The counter shall be reset each time a DATA chunk sent to that peer
+ endpoint is acknowledged (by the reception of a SACK), or a
+ HEARTBEAT-ACK is received from the peer endpoint.
+
+
+ ---------
+ Old text: (Section 8.3)
+ ---------
+
+ 8.3 Path Heartbeat
+
+ By default, an SCTP endpoint shall monitor the reachability of the
+ idle destination transport address(es) of its peer by sending a
+ HEARTBEAT chunk periodically to the destination transport
+ address(es).
+
+ ---------
+ New text: (Section 8.3)
+ ---------
+
+ 8.3 Path Heartbeat
+
+ By default, an SCTP endpoint SHOULD monitor the reachability of the
+ idle destination transport address(es) of its peer by sending a
+ HEARTBEAT chunk periodically to the destination transport
+ address(es). HEARTBEAT sending MAY begin upon reaching the
+ ESTABLISHED state and is discontinued after sending either SHUTDOWN
+ or SHUTDOWN-ACK. A receiver of a HEARTBEAT MUST respond to a
+ HEARTBEAT with a HEARTBEAT-ACK after entering the COOKIE-ECHOED state
+
+
+
+Stewart, et al. Informational [Page 27]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ (INIT sender) or the ESTABLISHED state (INIT receiver), up until
+ reaching the SHUTDOWN-SENT state (SHUTDOWN sender) or the SHUTDOWN-
+ ACK-SENT state (SHUTDOWN receiver).
+
+
+ ---------
+ Old text: (Section 8.3)
+ ---------
+
+ The receiver of the HEARTBEAT should immediately respond with a
+ HEARTBEAT ACK that contains the Heartbeat Information field copied
+ from the received HEARTBEAT chunk.
+
+ ---------
+ New text: (Section 8.3)
+ ---------
+
+ The receiver of the HEARTBEAT should immediately respond with a
+ HEARTBEAT ACK that contains the Heartbeat Information TLV, together
+ with any other received TLVs, copied unchanged from the received
+ HEARTBEAT chunk.
+
+
+ ---------
+ Old text: (Section 8.3)
+ ---------
+
+ On an idle destination address that is allowed to heartbeat, a
+ HEARTBEAT chunk is RECOMMENDED to be sent once per RTO of that
+ destination address plus the protocol parameter 'HB.interval' , with
+ jittering of +/- 50%, and exponential back-off of the RTO if the
+ previous HEARTBEAT is unanswered.
+
+ ---------
+ New text: (Section 8.3)
+ ---------
+
+ On an idle destination address that is allowed to heartbeat, it is
+ recommended that a HEARTBEAT chunk is sent once per RTO of that
+ destination address plus the protocol parameter 'HB.interval', with
+ jittering of +/- 50% of the RTO value, and exponential back-off of
+ the RTO if the previous HEARTBEAT is unanswered.
+
+2.10.3. Solution Description
+
+ The above text provides guidance as to how to respond to the five
+ issues mentioned in Section 2.10.1. In particular, the wording
+ changes provide guidance as to when to start and stop heartbeating,
+
+
+
+Stewart, et al. Informational [Page 28]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ how to respond to a heartbeat with extra parameters, and it clarifies
+ the error counting procedures for the association.
+
+2.11. Security interactions with firewalls
+
+2.11.1. Description of the Problem
+
+ When dealing with firewalls, it is advantageous for the firewall to
+ be able to properly determine the initial startup sequence of a
+ reliable transport protocol. With this in mind, the following text
+ is to be added to SCTP's security section.
+
+2.11.2. Text Changes to the Document
+
+ ---------
+ New text: (no old text, new section added)
+ ---------
+
+ 11.4 SCTP Interactions with Firewalls
+
+ It is helpful for some firewalls if they can inspect
+ just the first fragment of a fragmented SCTP packet and unambiguously
+ determine whether it corresponds to an INIT chunk (for further
+ information, please refer to RFC1858). Accordingly, we
+ stress the requirements, stated in 3.1, that (1) an INIT chunk MUST
+ NOT be bundled with any other chunk in a packet, and (2) a packet
+ containing an INIT chunk MUST have a zero Verification Tag.
+ Furthermore, we require that the receiver of an INIT chunk MUST
+ enforce these rules by silently discarding an arriving packet with an
+ INIT chunk that is bundled with other chunks.
+
+ ---------
+ Old text: (Section 18)
+ ---------
+
+ 18. Bibliography
+
+ [ALLMAN99] Allman, M. and Paxson, V., "On Estimating End-to-End
+ Network Path Properties", Proc. SIGCOMM'99, 1999.
+
+ [FALL96] Fall, K. and Floyd, S., Simulation-based Comparisons of
+ Tahoe, Reno, and SACK TCP, Computer Communications Review,
+ V. 26 N. 3, July 1996, pp. 5-21.
+
+ [RFC1750] Eastlake, D. (ed.), "Randomness Recommendations for
+ Security", RFC 1750, December 1994.
+
+
+
+
+
+Stewart, et al. Informational [Page 29]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ [RFC1950] Deutsch P. and J. Gailly, "ZLIB Compressed Data Format
+ Specification version 3.3", RFC 1950, May 1996.
+
+ [RFC2104] Krawczyk, H., Bellare, M. and R. Canetti, "HMAC: Keyed-
+ Hashing for Message Authentication", RFC 2104, March 1997.
+
+ [RFC2196] Fraser, B., "Site Security Handbook", FYI 8, RFC 2196,
+ September 1997.
+
+ [RFC2522] Karn, P. and W. Simpson, "Photuris: Session-Key Management
+ Protocol", RFC 2522, March 1999.
+
+ [SAVAGE99] Savage, S., Cardwell, N., Wetherall, D., and Anderson, T.,
+ "TCP Congestion Control with a Misbehaving Receiver", ACM
+ Computer Communication Review, 29(5), October 1999.
+
+ ---------
+ New text: (Section 18)
+ ---------
+
+ 18. Bibliography
+
+ [ALLMAN99] Allman, M. and Paxson, V., "On Estimating End-to-End
+ Network Path Properties", Proc. SIGCOMM'99, 1999.
+
+ [FALL96] Fall, K. and Floyd, S., Simulation-based Comparisons of
+ Tahoe, Reno, and SACK TCP, Computer Communications Review,
+ V. 26 N. 3, July 1996, pp. 5-21.
+
+ [RFC1750] Eastlake, D. (ed.), "Randomness Recommendations for
+ Security", RFC 1750, December 1994.
+
+ [RFC1858] Ziemba, G., Reed, D. and Traina P., "Security
+ Considerations for IP Fragment Filtering", RFC 1858,
+ October 1995.
+
+ [RFC1950] Deutsch P. and J. Gailly, "ZLIB Compressed Data Format
+ Specification version 3.3", RFC 1950, May 1996.
+
+ [RFC2104] Krawczyk, H., Bellare, M. and R. Canetti, "HMAC: Keyed-
+ Hashing for Message Authentication", RFC 2104, March 1997.
+
+ [RFC2196] Fraser, B., "Site Security Handbook", FYI 8, RFC 2196,
+ September 1997.
+
+ [RFC2522] Karn, P. and W. Simpson, "Photuris: Session-Key Management
+ Protocol", RFC 2522, March 1999.
+
+
+
+
+Stewart, et al. Informational [Page 30]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ [SAVAGE99] Savage, S., Cardwell, N., Wetherall, D., and Anderson, T.,
+ "TCP Congestion Control with a Misbehaving Receiver", ACM
+ Computer Communication Review, 29(5), October 1999.
+
+2.11.3. Solution Description
+
+ The above text, which adds a new subsection to the Security
+ Considerations section of RFC 2960 [5] makes clear that, to make
+ easier the interaction with firewalls, an INIT chunk must not be
+ bundled in any case with any other chunk that will silently discard
+ the packets that do not follow this rule (this rule is enforced by
+ the packet receiver).
+
+2.12. Shutdown Ambiguity
+
+2.12.1. Description of the Problem
+
+ Currently, there is an ambiguity between the statements in Sections
+ 6.2 and 9.2. Section 6.2 allows the sending of a SHUTDOWN chunk in
+ place of a SACK when the sender is in the process of shutting down,
+ while section 9.2 requires that both a SHUTDOWN chunk and a SACK
+ chunk be sent.
+
+ Along with this ambiguity there is a problem wherein an errant
+ SHUTDOWN receiver may fail to stop accepting user data.
+
+2.12.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 9.2)
+ ---------
+
+ If there are still outstanding DATA chunks left, the SHUTDOWN
+ receiver shall continue to follow normal data transmission procedures
+ defined in Section 6 until all outstanding DATA chunks are
+ acknowledged; however, the SHUTDOWN receiver MUST NOT accept new data
+ from its SCTP user.
+
+ While in SHUTDOWN-SENT state, the SHUTDOWN sender MUST immediately
+ respond to each received packet containing one or more DATA chunk(s)
+ with a SACK, a SHUTDOWN chunk, and restart the T2-shutdown timer. If
+ it has no more outstanding DATA chunks, the SHUTDOWN receiver shall
+ send a SHUTDOWN ACK and start a T2-shutdown timer of its own,
+ entering the SHUTDOWN-ACK-SENT state. If the timer expires, the
+ endpoint must re-send the SHUTDOWN ACK.
+
+
+
+
+
+
+Stewart, et al. Informational [Page 31]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 9.2)
+ ---------
+
+ If there are still outstanding DATA chunks left, the SHUTDOWN
+ receiver MUST continue to follow normal data transmission procedures
+ defined in Section 6, until all outstanding DATA chunks are
+ acknowledged; however, the SHUTDOWN receiver MUST NOT accept new data
+ from its SCTP user.
+
+ While in SHUTDOWN-SENT state, the SHUTDOWN sender MUST immediately
+ respond to each received packet containing one or more DATA chunks
+ with a SHUTDOWN chunk and restart the T2-shutdown timer. If a
+ SHUTDOWN chunk by itself cannot acknowledge all of the received DATA
+ chunks (i.e., there are TSNs that can be acknowledged that are larger
+ than the cumulative TSN, and thus gaps exist in the TSN sequence), or
+ if duplicate TSNs have been received, then a SACK chunk MUST also be
+ sent.
+
+ The sender of the SHUTDOWN MAY also start an overall guard timer
+ 'T5-shutdown-guard' to bound the overall time for shutdown sequence.
+ At the expiration of this timer, the sender SHOULD abort the
+ association by sending an ABORT chunk. If the 'T5-shutdown-guard'
+ timer is used, it SHOULD be set to the recommended value of 5 times
+ 'RTO.Max'.
+
+ If the receiver of the SHUTDOWN has no more outstanding DATA chunks,
+ the SHUTDOWN receiver MUST send a SHUTDOWN ACK and start a
+ T2-shutdown timer of its own, entering the SHUTDOWN-ACK-SENT state.
+ If the timer expires, the endpoint must re-send the SHUTDOWN ACK.
+
+2.12.3. Solution Description
+
+ The above text clarifies the use of a SACK in conjunction with a
+ SHUTDOWN chunk. It also adds a guard timer to the SCTP shutdown
+ sequence to protect against errant receivers of SHUTDOWN chunks.
+
+2.13. Inconsistency in ABORT Processing
+
+2.13.1. Description of the Problem
+
+ It was noted that the wording in Section 8.5.1 did not give proper
+ directions in the use of the 'T bit' with the Verification Tags.
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 32]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.13.2. Text changes to the document
+
+ ---------
+ Old text: (Section 8.5.1)
+ ---------
+
+ B) Rules for packet carrying ABORT:
+
+ - The endpoint shall always fill in the Verification Tag field
+ of the outbound packet with the destination endpoint's tag
+ value if it is known.
+
+ - If the ABORT is sent in response to an OOTB packet, the
+ endpoint MUST follow the procedure described in Section 8.4.
+
+ - The receiver MUST accept the packet if the Verification Tag
+ matches either its own tag, OR the tag of its peer. Otherwise,
+ the receiver MUST silently discard the packet and take no
+ further action.
+
+ ---------
+ New text: (Section 8.5.1)
+ ---------
+
+ B) Rules for packet carrying ABORT:
+
+ - The endpoint MUST always fill in the Verification Tag field of
+ the outbound packet with the destination endpoint's tag value,
+ if it is known.
+
+ - If the ABORT is sent in response to an OOTB packet, the
+ endpoint MUST follow the procedure described in Section 8.4.
+
+ - The receiver of a ABORT MUST accept the packet if the
+ Verification Tag field of the packet matches its own tag OR if
+ it is set to its peer's tag and the T bit is set in the Chunk
+ Flags. Otherwise, the receiver MUST silently discard the
+ packet and take no further action.
+
+2.13.3. Solution Description
+
+ The above text change clarifies that the T bit must be set before an
+ implementation looks for the peer's tag.
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 33]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.14. Cwnd Gated by Its Full Use
+
+2.14.1. Description of the Problem
+
+ A problem was found with the current specification of the growth and
+ decay of cwnd. The cwnd should only be increased if it is being
+ fully utilized, and after periods of underutilization, the cwnd
+ should be decreased. In some sections, the current wording is weak
+ and is not clearly defined. Also, the current specification
+ unnecessarily introduces the need for special case code to ensure
+ cwnd degradation. Plus, the cwnd should not be increased during Fast
+ Recovery, since a full cwnd during Fast Recovery does not qualify the
+ cwnd as being fully utilized. Additionally, multiple loss scenarios
+ in a single window may cause the cwnd to grow more rapidly as the
+ number of losses in a window increases [3].
+
+2.14.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 6.1)
+ ---------
+
+ D) Then, the sender can send out as many new DATA chunks as Rule A
+ and Rule B above allow.
+
+ ---------
+ New text: (Section 6.1)
+ ---------
+
+ D) When the time comes for the sender to transmit new DATA chunks,
+ the protocol parameter Max.Burst SHOULD be used to limit the
+ number of packets sent. The limit MAY be applied by adjusting
+ cwnd as follows:
+
+ if((flightsize + Max.Burst*MTU) < cwnd)
+ cwnd = flightsize + Max.Burst*MTU
+
+ Or it MAY be applied by strictly limiting the number of packets
+ emitted by the output routine.
+
+ E) Then, the sender can send out as many new DATA chunks as Rule A
+ and Rule B allow.
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 34]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ Old text: (Section 7.2.1)
+ ---------
+
+ o When cwnd is less than or equal to ssthresh an SCTP endpoint MUST
+ use the slow start algorithm to increase cwnd (assuming the
+ current congestion window is being fully utilized). If an
+ incoming SACK advances the Cumulative TSN Ack Point, cwnd MUST be
+ increased by at most the lesser of 1) the total size of the
+ previously outstanding DATA chunk(s) acknowledged, and 2) the
+ destination's path MTU. This protects against the ACK-Splitting
+ attack outlined in [SAVAGE99].
+
+ ---------
+ New text: (Section 7.2.1)
+ ---------
+
+ o When cwnd is less than or equal to ssthresh, an SCTP endpoint MUST
+ use the slow start algorithm to increase cwnd only if the current
+ congestion window is being fully utilized, an incoming SACK
+ advances the Cumulative TSN Ack Point, and the data sender is not
+ in Fast Recovery. Only when these three conditions are met can
+ the cwnd be increased; otherwise, the cwnd MUST not be increased.
+ If these conditions are met, then cwnd MUST be increased by, at
+ most, the lesser of 1) the total size of the previously
+ outstanding DATA chunk(s) acknowledged, and 2) the destination's
+ path MTU. This upper bound protects against the ACK-Splitting
+ attack outlined in [SAVAGE99].
+
+
+ ---------
+ Old text: (Section 14)
+ ---------
+
+ 14. Suggested SCTP Protocol Parameter Values
+
+ The following protocol parameters are RECOMMENDED:
+
+ RTO.Initial - 3 seconds
+ RTO.Min - 1 second
+ RTO.Max - 60 seconds
+ RTO.Alpha - 1/8
+ RTO.Beta - 1/4
+ Valid.Cookie.Life - 60 seconds
+ Association.Max.Retrans - 10 attempts
+ Path.Max.Retrans - 5 attempts (per destination address)
+ Max.Init.Retransmits - 8 attempts
+ HB.interval - 30 seconds
+
+
+
+Stewart, et al. Informational [Page 35]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 14)
+ ---------
+
+ 14. Suggested SCTP Protocol Parameter Values
+
+ The following protocol parameters are RECOMMENDED:
+
+ RTO.Initial - 3 seconds
+ RTO.Min - 1 second
+ RTO.Max - 60 seconds
+ Max.Burst - 4
+ RTO.Alpha - 1/8
+ RTO.Beta - 1/4
+ Valid.Cookie.Life - 60 seconds
+ Association.Max.Retrans - 10 attempts
+ Path.Max.Retrans - 5 attempts (per destination address)
+ Max.Init.Retransmits - 8 attempts
+ HB.Interval - 30 seconds
+
+2.14.3. Solution Description
+
+ The above changes strengthen the rules and make it much more apparent
+ as to the need to block cwnd growth when the full cwnd is not being
+ utilized. The changes also apply cwnd degradation without
+ introducing the need for complex special case code.
+
+2.15. Window Probes in SCTP
+
+2.15.1. Description of the Problem
+
+ When a receiver clamps its rwnd to 0 to flow control the peer, the
+ specification implies that one must continue to accept data from the
+ remote peer. This is incorrect and needs clarification.
+
+2.15.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 6.2)
+ ---------
+
+ The SCTP endpoint MUST always acknowledge the receipt of each valid
+ DATA chunk.
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 36]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 6.2)
+ ---------
+
+ The SCTP endpoint MUST always acknowledge the reception of each valid
+ DATA chunk when the DATA chunk received is inside its receive window.
+
+ When the receiver's advertised window is 0, the receiver MUST drop
+ any new incoming DATA chunk with a TSN larger than the largest TSN
+ received so far. If the new incoming DATA chunk holds a TSN value
+ less than the largest TSN received so far, then the receiver SHOULD
+ drop the largest TSN held for reordering and accept the new incoming
+ DATA chunk. In either case, if such a DATA chunk is dropped, the
+ receiver MUST immediately send back a SACK with the current receive
+ window showing only DATA chunks received and accepted so far. The
+ dropped DATA chunk(s) MUST NOT be included in the SACK, as they were
+ not accepted. The receiver MUST also have an algorithm for
+ advertising its receive window to avoid receiver silly window
+ syndrome (SWS), as described in RFC 813. The algorithm can be
+ similar to the one described in Section 4.2.3.3 of RFC 1122.
+
+
+ ---------
+ Old text: (Section 6.1)
+ ---------
+
+ A) At any given time, the data sender MUST NOT transmit new data to
+ any destination transport address if its peer's rwnd indicates
+ that the peer has no buffer space (i.e., rwnd is 0, see Section
+ 6.2.1). However, regardless of the value of rwnd (including if it
+ is 0), the data sender can always have one DATA chunk in flight to
+ the receiver if allowed by cwnd (see rule B below). This rule
+ allows the sender to probe for a change in rwnd that the sender
+ missed due to the SACK having been lost in transit from the data
+ receiver to the data sender.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 37]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 6.1)
+ ---------
+
+ A) At any given time, the data sender MUST NOT transmit new data to
+ any destination transport address if its peer's rwnd indicates
+ that the peer has no buffer space (i.e., rwnd is 0; see Section
+ 6.2.1). However, regardless of the value of rwnd (including if it
+ is 0), the data sender can always have one DATA chunk in flight to
+ the receiver if allowed by cwnd (see rule B, below). This rule
+ allows the sender to probe for a change in rwnd that the sender
+ missed due to the SACK's having been lost in transit from the data
+ receiver to the data sender.
+
+ When the receiver's advertised window is zero, this probe is
+ called a zero window probe. Note that a zero window probe
+ SHOULD only be sent when all outstanding DATA chunks have
+ been cumulatively acknowledged and no DATA chunks are in
+ flight. Zero window probing MUST be supported.
+
+ If the sender continues to receive new packets from the receiver
+ while doing zero window probing, the unacknowledged window probes
+ should not increment the error counter for the association or any
+ destination transport address.This is because the receiver MAY
+ keep its window closed for an indefinite time. Refer to
+ Section 6.2 on the receiver behavior when it advertises a zero
+ window. The sender SHOULD send the first zero window probe after
+ 1 RTO when it detects that the receiver has closed its window
+ and SHOULD increase the probe interval exponentially afterwards.
+ Also note that the cwnd SHOULD be adjusted according to
+ Section 7.2.1. Zero window probing does not affect the
+ calculation of cwnd.
+
+ The sender MUST also have an algorithm for sending new DATA chunks
+ to avoid silly window syndrome (SWS) as described in RFC 813. The
+ algorithm can be similar to the one described in Section 4.2.3.4
+ of RFC 1122.
+
+2.15.3. Solution Description
+
+ The above allows a receiver to drop new data that arrives and yet
+ still requires the receiver to send a SACK showing the conditions
+ unchanged (with the possible exception of a new a_rwnd) and the
+ dropped chunk as missing. This will allow the association to
+ continue until the rwnd condition clears.
+
+
+
+
+
+
+Stewart, et al. Informational [Page 38]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.16. Fragmentation and Path MTU Issues
+
+2.16.1. Description of the Problem
+
+ The current wording of the Fragmentation and Reassembly forces an
+ implementation that supports fragmentation to always fragment. This
+ prohibits an implementation from offering its users an option to
+ disable sends that exceed the SCTP fragmentation point.
+
+ The restriction in RFC 2960 [5], Section 6.9, was never meant to
+ restrict an implementations API from this behavior.
+
+2.16.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 6.1)
+ ---------
+
+ 6.9 Fragmentation and Reassembly
+
+ An endpoint MAY support fragmentation when sending DATA chunks, but
+ MUST support reassembly when receiving DATA chunks. If an endpoint
+ supports fragmentation, it MUST fragment a user message if the size
+ of the user message to be sent causes the outbound SCTP packet size
+ to exceed the current MTU. If an implementation does not support
+ fragmentation of outbound user messages, the endpoint must return an
+ error to its upper layer and not attempt to send the user message.
+
+ IMPLEMENTATION NOTE: In this error case, the Send primitive
+ discussed in Section 10.1 would need to return an error to the upper
+ layer.
+
+ ---------
+ New text: (Section 6.1)
+ ---------
+
+ 6.9. Fragmentation and Reassembly
+
+ An endpoint MAY support fragmentation when sending DATA chunks, but
+ it MUST support reassembly when receiving DATA chunks. If an
+ endpoint supports fragmentation, it MUST fragment a user message if
+ the size of the user message to be sent causes the outbound SCTP
+ packet size to exceed the current MTU. If an implementation does not
+ support fragmentation of outbound user messages, the endpoint MUST
+ return an error to its upper layer and not attempt to send the user
+ message.
+
+
+
+
+
+Stewart, et al. Informational [Page 39]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ Note: If an implementation that supports fragmentation makes
+ available to its upper layer a mechanism to turn off fragmentation it
+ may do so. However, in so doing, it MUST react just like an
+ implementation that does NOT support fragmentation, i.e., it MUST
+ reject sends that exceed the current P-MTU.
+
+ IMPLEMENTATION NOTE: In this error case, the Send primitive
+ discussed in Section 10.1 would need to return an error to the upper
+ layer.
+
+2.16.3. Solution Description
+
+ The above wording will allow an implementation to offer the option of
+ rejecting sends that exceed the P-MTU size even when the
+ implementation supports fragmentation.
+
+2.17. Initial Value of the Cumulative TSN Ack
+
+2.17.1. Description of the Problem
+
+ The current description of the SACK chunk within the RFC does not
+ clearly state the value that would be put within a SACK when no DATA
+ chunk has been received.
+
+2.17.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.3.4)
+ ---------
+
+ Cumulative TSN Ack: 32 bits (unsigned integer)
+
+ This parameter contains the TSN of the last DATA chunk received in
+ sequence before a gap.
+
+ ---------
+ New text: (Section 3.3.4)
+ ---------
+
+ Cumulative TSN Ack: 32 bits (unsigned integer)
+
+ This parameter contains the TSN of the last DATA chunk received in
+ sequence before a gap. In the case where no DATA chunk has
+ been received, this value is set to the peer's Initial TSN minus
+ one.
+
+
+
+
+
+
+Stewart, et al. Informational [Page 40]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.17.3. Solution Description
+
+ This change clearly states what the initial value will be for a SACK
+ sender.
+
+2.18. Handling of Address Parameters within the INIT or INIT-ACK
+
+2.18.1. Description of the Problem
+
+ The current description on handling address parameters contained
+ within the INIT and INIT-ACK does not fully describe a requirement
+ for their handling.
+
+2.18.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 5.1.2)
+ ---------
+
+ C) If there are only IPv4/IPv6 addresses present in the received INIT
+ or INIT ACK chunk, the receiver shall derive and record all the
+ transport address(es) from the received chunk AND the source IP
+ address that sent the INIT or INIT ACK. The transport address(es)
+ are derived by the combination of SCTP source port (from the
+ common header) and the IP address parameter(s) carried in the INIT
+ or INIT ACK chunk and the source IP address of the IP datagram.
+ The receiver should use only these transport addresses as
+ destination transport addresses when sending subsequent packets to
+ its peer.
+
+ ---------
+ New text: (Section 5.1.2)
+ ---------
+
+ C) If there are only IPv4/IPv6 addresses present in the received INIT
+ or INIT ACK chunk, the receiver MUST derive and record all the
+ transport addresses from the received chunk AND the source IP
+ address that sent the INIT or INIT ACK. The transport addresses
+ are derived by the combination of SCTP source port (from the
+ common header) and the IP address parameter(s) carried in the INIT
+ or INIT ACK chunk and the source IP address of the IP datagram.
+ The receiver should use only these transport addresses as
+ destination transport addresses when sending subsequent packets to
+ its peer.
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 41]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ D) An INIT or INIT ACK chunk MUST be treated as belonging
+ to an already established association (or one in the
+ process of being established) if the use of any of the
+ valid address parameters contained within the chunk
+ would identify an existing TCB.
+
+2.18.3. Solution description
+
+ This new text clearly specifies to an implementor the need to look
+ within the INIT or INIT ACK. Any implementation that does not do
+ this may (for example) not be able to recognize an INIT chunk coming
+ from an already established association that adds new addresses (see
+ Section 2.6) or an incoming INIT ACK chunk sent from a source address
+ different from the destination address used to send the INIT chunk.
+
+2.19. Handling of Stream Shortages
+
+2.19.1. Description of the Problem
+
+ The current wording in the RFC places the choice of sending an ABORT
+ upon the SCTP stack when a stream shortage occurs. This decision
+ should really be made by the upper layer, not the SCTP stack.
+
+2.19.2. Text Changes to the Document
+
+ ---------
+ Old text:
+ ---------
+
+ 5.1.1 Handle Stream Parameters
+
+ In the INIT and INIT ACK chunks, the sender of the chunk shall
+ indicate the number of outbound streams (OS) it wishes to have in
+ the association, as well as the maximum inbound streams (MIS) it
+ will accept from the other endpoint.
+
+ After receiving the stream configuration information from the other
+ side, each endpoint shall perform the following check: If the peer's
+ MIS is less than the endpoint's OS, meaning that the peer is
+ incapable of supporting all the outbound streams the endpoint wants
+ to configure, the endpoint MUST either use MIS outbound streams, or
+ abort the association and report to its upper layer the resources
+ shortage at its peer.
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 42]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 5.1.2)
+ ---------
+
+ 5.1.1. Handle Stream Parameters
+
+ In the INIT and INIT ACK chunks, the sender of the chunk MUST
+ indicate the number of outbound streams (OS) it wishes to have in
+ the association, as well as the maximum inbound streams (MIS) it will
+ accept from the other endpoint.
+
+ After receiving the stream configuration information from the other
+ side, each endpoint MUST perform the following check: If the peer's
+ MIS is less than the endpoint's OS, meaning that the peer is
+ incapable of supporting all the outbound streams the endpoint wants
+ to configure, the endpoint MUST use MIS outbound streams and MAY
+ report any shortage to the upper layer. The upper layer can then
+ choose to abort the association if the resource shortage
+ is unacceptable.
+
+2.19.3. Solution Description
+
+ The above changes take the decision to ABORT out of the realm of the
+ SCTP stack and place it into the user's hands.
+
+2.20. Indefinite Postponement
+
+2.20.1. Description of the Problem
+
+ The current RFC does not provide any guidance on the assignment of
+ TSN sequence numbers to outbound messages nor reception of these
+ messages. This could lead to a possible indefinite postponement.
+
+2.20.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 6.1)
+ ---------
+
+ Note: The data sender SHOULD NOT use a TSN that is more than 2**31 -
+ 1 above the beginning TSN of the current send window.
+
+ 6.2 Acknowledgement on Reception of DATA Chunks
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 43]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 6.1)
+ ---------
+
+ Note: The data sender SHOULD NOT use a TSN that is more than 2**31 -
+ 1 above the beginning TSN of the current send window.
+
+ The algorithm by which an implementation assigns sequential TSNs to
+ messages on a particular association MUST ensure that no user
+ message that has been accepted by SCTP is indefinitely postponed
+ from being assigned a TSN. Acceptable algorithms for assigning TSNs
+ include
+
+ (a) assigning TSNs in round-robin order over all streams with
+ pending data; and
+
+ (b) preserving the linear order in which the user messages were
+ submitted to the SCTP association.
+
+ When an upper layer requests to read data on an SCTP association,
+ the SCTP receiver SHOULD choose the message with the lowest TSN from
+ among all deliverable messages. In SCTP implementations that allow a
+ user to request data on a specific stream, this operation SHOULD NOT
+ block if data is not available, since this can lead to a deadlock
+ under certain conditions.
+
+ 6.2. Acknowledgement on Receipt of DATA Chunks
+
+2.20.3. Solution Description
+
+ The above wording clarifies how TSNs SHOULD be assigned by the
+ sender.
+
+2.21. User-Initiated Abort of an Association
+
+2.21.1. Description of the Problem
+
+ It is not possible for an upper layer to abort the association and
+ provide the peer with an indication of why the association is
+ aborted.
+
+2.21.2. Text changes to the document
+
+ Some of the changes given here already include changes suggested in
+ Section 2.6 of this document.
+
+
+
+
+
+
+Stewart, et al. Informational [Page 44]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ Old text: (Section 3.3.10)
+ ---------
+
+ Cause Code
+ Value Cause Code
+ --------- ----------------
+ 1 Invalid Stream Identifier
+ 2 Missing Mandatory Parameter
+ 3 Stale Cookie Error
+ 4 Out of Resource
+ 5 Unresolvable Address
+ 6 Unrecognized Chunk Type
+ 7 Invalid Mandatory Parameter
+ 8 Unrecognized Parameters
+ 9 No User Data
+ 10 Cookie Received While Shutting Down
+
+ Cause Length: 16 bits (unsigned integer)
+
+ Set to the size of the parameter in bytes, including the Cause
+ Code, Cause Length, and Cause-Specific Information fields
+
+ Cause-specific Information: variable length
+
+ This field carries the details of the error condition.
+
+ Sections 3.3.10.1 - 3.3.10.10 define error causes for SCTP.
+ Guidelines for the IETF to define new error cause values are
+ discussed in Section 13.3.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 45]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 3.3.10)
+ ---------
+
+ Cause Code
+ Value Cause Code
+ --------- ----------------
+ 1 Invalid Stream Identifier
+ 2 Missing Mandatory Parameter
+ 3 Stale Cookie Error
+ 4 Out of Resource
+ 5 Unresolvable Address
+ 6 Unrecognized Chunk Type
+ 7 Invalid Mandatory Parameter
+ 8 Unrecognized Parameters
+ 9 No User Data
+ 10 Cookie Received While Shutting Down
+ 11 Restart of an Association with New Addresses
+ 12 User-Initiated Abort
+
+ Cause Length: 16 bits (unsigned integer)
+
+ Set to the size of the parameter in bytes, including the Cause
+ Code, Cause Length, and Cause-Specific Information fields
+
+ Cause-specific Information: variable length
+
+ This field carries the details of the error condition.
+
+ Sections 3.3.10.1 - 3.3.10.12 define error causes for SCTP.
+ Guidelines for the IETF to define new error cause values are
+ discussed in Section 13.3.
+
+ ---------
+ New text: (Note: no old text, new error added in Section 3.3.10)
+ ---------
+
+ 3.3.10.12. User-Initiated Abort (12)
+
+ Cause of error
+ --------------
+
+ This error cause MAY be included in ABORT chunks that are sent
+ because of an upper layer request. The upper layer can specify
+ an Upper Layer Abort Reason that is transported by SCTP
+ transparently and MAY be delivered to the upper layer protocol
+ at the peer.
+
+
+
+
+Stewart, et al. Informational [Page 46]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Cause Code=12 | Cause Length=Variable |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ / Upper Layer Abort Reason /
+ \ \
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ ---------
+ Old text: (Section 9.1)
+ ---------
+
+ 9.1 Abort of an Association
+
+ When an endpoint decides to abort an existing association, it
+ shall send an ABORT chunk to its peer endpoint. The sender MUST
+ fill in the peer's Verification Tag in the outbound packet and
+ MUST NOT bundle any DATA chunk with the ABORT.
+
+ An endpoint MUST NOT respond to any received packet that contains
+ an ABORT chunk (also see Section 8.4).
+
+ An endpoint receiving an ABORT shall apply the special
+ Verification Tag check rules described in Section 8.5.1.
+
+ After checking the Verification Tag, the receiving endpoint shall
+ remove the association from its record and shall report the
+ termination to its upper layer.
+
+ ---------
+ New text: (Section 9.1)
+ ---------
+
+ 9.1. Abort of an Association
+
+ When an endpoint decides to abort an existing association, it MUST
+ send an ABORT chunk to its peer endpoint. The sender MUST fill in
+ the peer's Verification Tag in the outbound packet and MUST NOT
+ bundle any DATA chunk with the ABORT. If the association is
+ aborted on request of the upper layer, a User-Initiated Abort
+ error cause (see 3.3.10.12) SHOULD be present in the ABORT chunk.
+
+ An endpoint MUST NOT respond to any received packet that contains
+ an ABORT chunk (also see Section 8.4).
+
+ An endpoint receiving an ABORT MUST apply the special Verification
+ Tag check rules described in Section 8.5.1.
+
+ After checking the Verification Tag, the receiving endpoint MUST
+
+
+
+Stewart, et al. Informational [Page 47]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ remove the association from its record and SHOULD report the
+ termination to its upper layer. If a User-Initiated Abort error
+ cause is present in the ABORT chunk, the Upper Layer Abort Reason
+ SHOULD be made available to the upper layer.
+
+ ---------
+ Old text: (Section 10.1)
+ ---------
+
+ D) Abort
+
+ Format: ABORT(association id [, cause code])
+ -> result
+
+ Ungracefully closes an association. Any locally queued user
+ data will be discarded and an ABORT chunk is sent to the peer.
+ A success code will be returned on successful abortion of the
+ association. If attempting to abort the association results
+ in a failure, an error code shall be returned.
+
+ Mandatory attributes:
+
+ o association id - local handle to the SCTP association
+
+ Optional attributes:
+
+ o cause code - reason of the abort to be passed to the peer.
+
+
+ ---------
+ New text: (Section 10.1)
+ ---------
+
+ D) Abort
+
+ Format: ABORT(association id [, Upper Layer Abort Reason])
+ -> result
+
+ Ungracefully closes an association. Any locally queued user
+ data will be discarded, and an ABORT chunk is sent to the peer.
+ A success code will be returned on successful abortion of the
+ association. If attempting to abort the association results
+ in a failure, an error code shall be returned.
+
+ Mandatory attributes:
+
+ o association id - Local handle to the SCTP association.
+
+
+
+
+Stewart, et al. Informational [Page 48]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ Optional attributes:
+
+ o Upper Layer Abort Reason - Reason of the abort to be passed
+ to the peer.
+
+ None.
+
+ ---------
+ Old text: (Section 10.2)
+ ---------
+
+ E) COMMUNICATION LOST notification
+
+ When SCTP loses communication to an endpoint completely (e.g., via
+ Heartbeats) or detects that the endpoint has performed an abort
+ operation, it shall invoke this notification on the ULP.
+
+ The following shall be passed with the notification:
+
+ o association id - local handle to the SCTP association
+
+ o status - This indicates what type of event has occurred; The
+ status may indicate a failure OR a normal termination
+ event occurred in response to a shutdown or abort
+ request.
+
+ The following may be passed with the notification:
+
+ o data retrieval id - an identification used to retrieve
+ unsent and unacknowledged data.
+
+ o last-acked - the TSN last acked by that peer endpoint;
+
+ o last-sent - the TSN last sent to that peer endpoint;
+
+ ---------
+ New text: (Section 10.2)
+ ---------
+
+ E) COMMUNICATION LOST notification
+
+ When SCTP loses communication to an endpoint completely (e.g., via
+ Heartbeats) or detects that the endpoint has performed an abort
+ operation, it shall invoke this notification on the ULP.
+
+ The following shall be passed with the notification:
+
+ o association id - Local handle to the SCTP association.
+
+
+
+Stewart, et al. Informational [Page 49]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ o status - This indicates what type of event has occurred; The
+ status may indicate that a failure OR a normal
+ termination event occurred in response to a shutdown
+ or abort request.
+
+ The following may be passed with the notification:
+
+ o data retrieval id - An identification used to retrieve unsent
+ and unacknowledged data.
+
+ o last-acked - The TSN last acked by that peer endpoint.
+
+ o last-sent - The TSN last sent to that peer endpoint.
+
+ o Upper Layer Abort Reason - The abort reason specified in
+ case of a user-initiated abort.
+
+2.21.3. Solution Description
+
+ The above allows an upper layer to provide its peer with an
+ indication of why the association was aborted. Therefore, an
+ addition error cause was introduced.
+
+2.22. Handling of Invalid Initiate Tag of INIT-ACK
+
+2.22.1. Description of the Problem
+
+ RFC 2960 requires that the receiver of an INIT-ACK with the Initiate
+ Tag set to zero handles this as an error and sends back an ABORT.
+ But the sender of the INIT-ACK normally has no TCB, and thus the
+ ABORT is useless.
+
+2.22.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.3.3)
+ ---------
+
+ Initiate Tag: 32 bits (unsigned integer)
+
+ The receiver of the INIT ACK records the value of the
+ Initiate Tag parameter. This value MUST be placed into
+ the Verification Tag field of every SCTP packet that the
+ INIT ACK receiver transmits within this association.
+
+ The Initiate Tag MUST NOT take the value 0. See Section 5.3.1
+ for more on the selection of the Initiate Tag value.
+
+
+
+
+Stewart, et al. Informational [Page 50]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ If the value of the Initiate Tag in a received INIT ACK chunk
+ is found to be 0, the receiver MUST treat it as an error and
+ close the association by transmitting an ABORT.
+
+ ---------
+ New text: (Section 3.3.3)
+ ---------
+
+ Initiate Tag: 32 bits (unsigned integer)
+
+ The receiver of the INIT ACK records the value of the
+ Initiate Tag parameter. This value MUST be placed into
+ the Verification Tag field of every SCTP packet that the
+ INIT ACK receiver transmits within this association.
+
+ The Initiate Tag MUST NOT take the value 0. See Section 5.3.1
+ for more on the selection of the Initiate Tag value.
+
+ If the value of the Initiate Tag in a received INIT ACK
+ chunk is found to be 0, the receiver MUST destroy the
+ association discarding its TCB. The receiver MAY send an
+ ABORT for debugging purpose.
+
+2.22.3. Solution Description
+
+ The new text does not require that the receiver of the invalid INIT-
+ ACK send the ABORT. This behavior is in tune with the error case of
+ invalid stream numbers in the INIT-ACK. However, sending an ABORT
+ for debugging purposes is allowed.
+
+2.23. Sending an ABORT in Response to an INIT
+
+2.23.1. Description of the Problem
+
+ Whenever the receiver of an INIT chunk has to send an ABORT chunk in
+ response, for whatever reason, it is not stated clearly which
+ Verification Tag and value of the T-bit should be used.
+
+2.23.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 8.4)
+ ---------
+
+ 3) If the packet contains an INIT chunk with a Verification Tag
+ set to '0', process it as described in Section 5.1.
+ Otherwise,
+
+
+
+
+Stewart, et al. Informational [Page 51]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 8.4)
+ ---------
+
+ 3) If the packet contains an INIT chunk with a Verification Tag
+ set to '0', process it as described in Section 5.1. If, for
+ whatever reason, the INIT cannot be processed normally and
+ an ABORT has to be sent in response, the Verification Tag
+ of the packet containing the ABORT chunk MUST be the
+ Initiate tag of the received INIT chunk, and the T-Bit of
+ the ABORT chunk has to be set to 0, indicating that
+ a TCB was destroyed. Otherwise,
+
+2.23.3. Solution Description
+
+ The new text stated clearly which value of the Verification Tag and
+ T-bit have to be used.
+
+2.24. Stream Sequence Number (SSN) Initialization
+
+2.24.1. Description of the Problem
+
+ RFC 2960 does not describe the fact that the SSN has to be
+ initialized to 0, as required by RFC 2119.
+
+2.24.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 6.5)
+ ---------
+
+ The stream sequence number in all the streams shall start from 0
+ when the association is established. Also, when the stream
+ sequence number reaches the value 65535 the next stream sequence
+ number shall be set to 0.
+
+ ---------
+ New text: (Section 6.5)
+ ---------
+
+ The stream sequence number in all the streams MUST start from 0
+ when the association is established. Also, when the stream
+ sequence number reaches the value 65535 the next stream sequence
+ number MUST be set to 0.
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 52]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.24.3. Solution Description
+
+ The 'shall' in the text is replaced by a 'MUST' to clearly state the
+ required behavior.
+
+2.25. SACK Packet Format
+
+2.25.1. Description of the Problem
+
+ It is not clear in RFC 2960 whether a SACK must contain the fields
+ Number of Gap Ack Blocks and Number of Duplicate TSNs.
+
+2.25.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.3.4)
+ ---------
+
+ The SACK MUST contain the Cumulative TSN Ack and
+ Advertised Receiver Window Credit (a_rwnd) parameters.
+
+ ---------
+ New text: (Section 3.3.4)
+ ---------
+
+ The SACK MUST contain the Cumulative TSN Ack,
+ Advertised Receiver Window Credit (a_rwnd), Number
+ of Gap Ack Blocks, and Number of Duplicate TSNs fields.
+
+2.25.3. Solution Description
+
+ The text has been modified. It is now clear that a SACK always
+ contains the fields Number of Gap Ack Blocks and Number of Duplicate
+ TSNs.
+
+2.26. Protocol Violation Error Cause
+
+2.26.1. Description of the Problem
+
+ There are many situations where an SCTP endpoint may detect that its
+ peer violates the protocol. The result of such detection often
+ results in the association being destroyed by the sending of an
+ ABORT. Currently, there are only some error causes that could be
+ used to indicate the reason for the abort, but these do not cover all
+ cases.
+
+
+
+
+
+
+Stewart, et al. Informational [Page 53]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.26.2. Text Changes to the Document
+
+ Some of the changes given here already include changes suggested in
+ Section 2.6 and 2.21 of this document.
+
+ ---------
+ Old text: (Section 3.3.10)
+ ---------
+
+ Cause Code
+ Value Cause Code
+ --------- ----------------
+ 1 Invalid Stream Identifier
+ 2 Missing Mandatory Parameter
+ 3 Stale Cookie Error
+ 4 Out of Resource
+ 5 Unresolvable Address
+ 6 Unrecognized Chunk Type
+ 7 Invalid Mandatory Parameter
+ 8 Unrecognized Parameters
+ 9 No User Data
+ 10 Cookie Received While Shutting Down
+
+ Cause Length: 16 bits (unsigned integer)
+
+ Set to the size of the parameter in bytes, including the Cause
+ Code, Cause Length, and Cause-Specific Information fields
+
+ Cause-specific Information: variable length
+
+ This field carries the details of the error condition.
+
+ Sections 3.3.10.1 - 3.3.10.10 define error causes for SCTP.
+ Guidelines for the IETF to define new error cause values are
+ discussed in Section 13.3.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 54]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 3.3.10)
+ ---------
+
+ Cause Code
+ Value Cause Code
+ --------- ----------------
+ 1 Invalid Stream Identifier
+ 2 Missing Mandatory Parameter
+ 3 Stale Cookie Error
+ 4 Out of Resource
+ 5 Unresolvable Address
+ 6 Unrecognized Chunk Type
+ 7 Invalid Mandatory Parameter
+ 8 Unrecognized Parameters
+ 9 No User Data
+ 10 Cookie Received While Shutting Down
+ 11 Restart of an Association with New Addresses
+ 12 User Initiated Abort
+ 13 Protocol Violation
+
+ Cause Length: 16 bits (unsigned integer)
+
+ Set to the size of the parameter in bytes, including the Cause
+ Code, Cause Length, and Cause-Specific Information fields
+
+ Cause-specific Information: variable length
+
+ This field carries the details of the error condition.
+
+ Sections 3.3.10.1 - 3.3.10.13 define error causes for SCTP.
+ Guidelines for the IETF to define new error cause values are
+ discussed in Section 13.3.
+
+ ---------
+ New text: (Note: no old text; new error added in section 3.3.10)
+ ---------
+
+ 3.3.10.13. Protocol Violation (13)
+
+ Cause of error
+ --------------
+
+ This error cause MAY be included in ABORT chunks that are sent
+ because an SCTP endpoint detects a protocol violation of the peer
+ that is not covered by the error causes described in 3.3.10.1 to
+ 3.3.10.12. An implementation MAY provide additional information
+ specifying what kind of protocol violation has been detected.
+
+
+
+Stewart, et al. Informational [Page 55]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Cause Code=13 | Cause Length=Variable |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ / Additional Information /
+ \ \
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+2.26.3. Solution Description
+
+ An additional error cause has been defined that can be used by an
+ endpoint to indicate a protocol violation of the peer.
+
+2.27. Reporting of Unrecognized Parameters
+
+2.27.1. Description of the Problem
+
+ It is not stated clearly in RFC 2960 [5] how unrecognized parameters
+ should be reported. Unrecognized parameters in an INIT chunk could
+ be reported in the INIT-ACK chunk or in a separate ERROR chunk, which
+ can get lost. Unrecognized parameters in an INIT-ACK chunk have to
+ be reported in an ERROR-chunk. This can be bundled with the COOKIE-
+ ERROR chunk or sent separately. If it is sent separately and
+ received before the COOKIE-ECHO, it will be handled as an OOTB
+ packet, resulting in sending out an ABORT chunk. Therefore, the
+ association would not be established.
+
+2.27.2. Text Changes to the Document
+
+ Some of the changes given here already include changes suggested in
+ Section 2.2 of this document.
+
+ ---------
+ Old text: (Section 3.2.1)
+ ---------
+
+ 00 - Stop processing this SCTP packet and discard it, do not process
+ any further chunks within it.
+
+ 01 - Stop processing this SCTP packet and discard it, do not process
+ any further chunks within it, and report the unrecognized
+ parameter in an 'Unrecognized Parameter Type' (in either an
+ ERROR or in the INIT ACK).
+
+ 10 - Skip this parameter and continue processing.
+
+ 11 - Skip this parameter and continue processing but report the
+ unrecognized parameter in an 'Unrecognized Parameter Type' (in
+ either an ERROR or in the INIT ACK).
+
+
+
+Stewart, et al. Informational [Page 56]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 3.2.1)
+ ---------
+
+ 00 - Stop processing this SCTP chunk and discard it; do not process
+ any further parameters within this chunk.
+
+ 01 - Stop processing this SCTP chunk and discard it, do not process
+ any further parameters within this chunk, and report the
+ unrecognized parameter in an 'Unrecognized Parameter Type', as
+ described in 3.2.2.
+
+ 10 - Skip this parameter and continue processing.
+
+ 11 - Skip this parameter and continue processing but report the
+ unrecognized parameter in an 'Unrecognized Parameter Type', as
+ described in 3.2.2.
+
+ ---------
+ New text: (Note: no old text; clarification added in Section 3.2)
+ ---------
+
+ 3.2.2. Reporting of Unrecognized Parameters
+
+ If the receiver of an INIT chunk detects unrecognized parameters
+ and has to report them according to Section 3.2.1, it MUST put
+ the 'Unrecognized Parameter' parameter(s) in the INIT-ACK chunk
+ sent in response to the INIT-chunk. Note that if the receiver
+ of the INIT chunk is NOT going to establish an association (e.g.,
+ due to lack of resources), then no report would be sent back.
+
+ If the receiver of an INIT-ACK chunk detects unrecognized
+ parameters and has to report them according to Section 3.2.1,
+ it SHOULD bundle the ERROR chunk containing the
+ 'Unrecognized Parameter' error cause with the COOKIE-ECHO
+ chunk sent in response to the INIT-ACK chunk. If the
+ receiver of the INIT-ACK cannot bundle the COOKIE-ECHO chunk
+ with the ERROR chunk, the ERROR chunk MAY be sent separately
+ but not before the COOKIE-ACK has been received.
+
+ Note: Any time a COOKIE-ECHO is sent in a packet, it MUST be the
+ first chunk.
+
+2.27.3. Solution Description
+
+ The procedure of reporting unrecognized parameters has been described
+ clearly.
+
+
+
+
+Stewart, et al. Informational [Page 57]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.28. Handling of IP Address Parameters
+
+2.28.1. Description of the Problem
+
+ It is not stated clearly in RFC 2960 [5] how an SCTP endpoint that
+ supports either IPv4 addresses or IPv6 addresses should respond if
+ IPv4 and IPv6 addresses are presented by the peer in the INIT or
+ INIT-ACK chunk.
+
+2.28.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 5.1.2)
+ ---------
+
+ IMPLEMENTATION NOTE: In the case that the receiver of an INIT ACK
+ fails to resolve the address parameter due to an unsupported type,
+ it can abort the initiation process and then attempt a
+ re-initiation by using a 'Supported Address Types' parameter in
+ the new INIT to indicate what types of address it prefers.
+
+ ---------
+ New text: (Section 5.1.2)
+ ---------
+
+ IMPLEMENTATION NOTE: In the case that the receiver of an INIT ACK
+ fails to resolve the address parameter due to an unsupported type,
+ it can abort the initiation process and then attempt a re-
+ initiation by using a 'Supported Address Types' parameter in the
+ new INIT to indicate what types of address it prefers.
+
+ IMPLEMENTATION NOTE: If an SCTP endpoint that only supports either
+ IPv4 or IPv6 receives IPv4 and IPv6 addresses in an INIT or INIT-
+ ACK chunk from its peer, it MUST use all the addresses belonging
+ to the supported address family. The other addresses MAY be
+ ignored. The endpoint SHOULD NOT respond with any kind of error
+ indication.
+
+2.28.3. Solution Description
+
+ The procedure of handling IP address parameters has been described
+ clearly.
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 58]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.29. Handling of COOKIE ECHO Chunks When a TCB Exists
+
+2.29.1. Description of the Problem
+
+ The description of the behavior in RFC 2960 [5] when a COOKIE ECHO
+ chunk and a TCB exist could be misunderstood. When a COOKIE ECHO is
+ received, a TCB exists and the local tag and peer's tag match, it is
+ stated that the endpoint should enter the ESTABLISHED state if it has
+ not already done so and send a COOKIE ACK. It was not clear that, in
+ the case the endpoint has already left the ESTABLISHED state again,
+ then it should not go back to established. In case D, the endpoint
+ can only enter state ESTABLISHED from COOKIE-ECHOED because in state
+ CLOSED it has no TCB and in state COOKIE-WAIT it has a TCB but knows
+ nothing about the peer's tag, which is requested to match in this
+ case.
+
+2.29.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 5.2.4)
+ ---------
+ D) When both local and remote tags match the endpoint should
+ always enter the ESTABLISHED state, if it has not already
+ done so. It should stop any init or cookie timers that may
+ be running and send a COOKIE ACK.
+
+ ---------
+ New text: (Section 5.2.4)
+ ---------
+ D) When both local and remote tags match, the endpoint should
+ enter the ESTABLISHED state, if it is in the COOKIE-ECHOED
+ state. It should stop any cookie timer that may
+ be running and send a COOKIE ACK.
+
+2.29.3. Solution Description
+
+ The procedure of handling of COOKIE-ECHO chunks when a TCB exists has
+ been described clearly.
+
+2.30. The Initial Congestion Window Size
+
+2.30.1. Description of the Problem
+
+ RFC 2960 was published with the intention of having the same
+ congestion control properties as TCP. Since the publication of RFC
+ 2960, TCP's initial congestion window size has been increased via RFC
+ 3390. This same update will be needed for SCTP to keep SCTP's
+ congestion control properties equivalent to that of TCP.
+
+
+
+Stewart, et al. Informational [Page 59]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.30.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 7.2.1)
+ ---------
+ o The initial cwnd before DATA transmission or after a
+ sufficiently long idle period MUST be <= 2*MTU.
+
+ ---------
+ New text: (Section 7.2.1)
+ ---------
+ o The initial cwnd before DATA transmission or after a
+ sufficiently long idle period MUST be set to
+ min(4*MTU, max (2*MTU, 4380 bytes)).
+
+ ---------
+ Old text: (Section 7.2.1)
+ ---------
+ o When the endpoint does not transmit data on a given transport
+ address, the cwnd of the transport address should be adjusted
+ to max(cwnd/2, 2*MTU) per RTO.
+
+ ---------
+ New text: (Section 7.2.1)
+ ---------
+ o When the endpoint does not transmit data on a given transport
+ address, the cwnd of the transport address should be adjusted
+ to max(cwnd/2, 4*MTU) per RTO.
+
+ ---------
+ Old text: (Section 7.2.2)
+ ---------
+ o Same as in the slow start, when the sender does not transmit
+ DATA on a given transport address, the cwnd of the transport
+ address should be adjusted to max(cwnd / 2, 2*MTU) per RTO.
+
+ ---------
+ New text: (Section 7.2.2)
+ ---------
+ o Same as in the slow start, when the sender does not transmit
+ DATA on a given transport address, the cwnd of the transport
+ address should be adjusted to max(cwnd / 2, 4*MTU) per RTO.
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 60]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ Old text: (Section 7.2.3)
+ ---------
+
+ 7.2.3. Congestion Control
+
+ Upon detection of packet losses from SACK (see Section 7.2.4), an
+ endpoint should do the following:
+
+ ssthresh = max(cwnd/2, 2*MTU)
+ cwnd = ssthresh
+
+ Basically, a packet loss causes cwnd to be cut in half.
+
+ When the T3-rtx timer expires on an address, SCTP should perform
+ slow start by
+
+ ssthresh = max(cwnd/2, 2*MTU)
+ cwnd = 1*MTU
+
+ ---------
+ New text: (Section 7.2.3)
+ ---------
+
+ 7.2.3 Congestion Control
+
+ Upon detection of packet losses from SACK (see Section 7.2.4), An
+ endpoint should do the following:
+
+ ssthresh = max(cwnd/2, 4*MTU)
+ cwnd = ssthresh
+
+ Basically, a packet loss causes cwnd to be cut in half.
+
+ When the T3-rtx timer expires on an address, SCTP should perform
+ slow start by:
+
+ ssthresh = max(cwnd/2, 4*MTU)
+ cwnd = 1*MTU
+
+2.30.3. Solution Description
+
+ The change to SCTP's initial congestion window will allow it to
+ continue to maintain the same congestion control properties as TCP.
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 61]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.31. Stream Sequence Numbers in Figures
+
+2.31.1. Description of the Problem
+
+ In Section 2.24 of this document, it is clarified that the SSN are
+ initialized with 0. Two figures in RFC 2960 [5] illustrate that they
+ start with 1.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 62]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.31.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 7.2.1)
+ ---------
+
+ Endpoint A Endpoint Z
+ {app sets association with Z}
+ (build TCB)
+ INIT [I-Tag=Tag_A
+ & other info] ------\
+ (Start T1-init timer) \
+ (Enter COOKIE-WAIT state) \---> (compose temp TCB and Cookie_Z)
+ /-- INIT ACK [Veri Tag=Tag_A,
+ / I-Tag=Tag_Z,
+ (Cancel T1-init timer) <-----/ Cookie_Z, & other info]
+ (destroy temp TCB)
+ COOKIE ECHO [Cookie_Z] ------\
+ (Start T1-init timer) \
+ (Enter COOKIE-ECHOED state) \---> (build TCB enter ESTABLISHED
+ state)
+ /---- COOKIE-ACK
+ /
+ (Cancel T1-init timer, <-----/
+ Enter ESTABLISHED state)
+ {app sends 1st user data; strm 0}
+ DATA [TSN=initial TSN_A
+ Strm=0,Seq=1 & user data]--\
+ (Start T3-rtx timer) \
+ \->
+ /----- SACK [TSN Ack=init
+ / TSN_A,Block=0]
+ (Cancel T3-rtx timer) <------/
+ ...
+ {app sends 2 messages;strm 0}
+ /---- DATA
+ / [TSN=init TSN_Z
+ <--/ Strm=0,Seq=1 & user data 1]
+ SACK [TSN Ack=init TSN_Z, / ---- DATA
+ Block=0] --------\ / [TSN=init TSN_Z +1,
+ \/ Strm=0,Seq=2 & user data 2]
+ <------/\
+ \
+ \------>
+
+ Figure 4: INITiation Example
+
+
+
+
+
+Stewart, et al. Informational [Page 63]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 7.2.1)
+ ---------
+
+
+ Endpoint A Endpoint Z
+ {app sets association with Z}
+ (build TCB)
+ INIT [I-Tag=Tag_A
+ & other info] ------\
+ (Start T1-init timer) \
+ (Enter COOKIE-WAIT state) \---> (compose temp TCB and Cookie_Z)
+ /-- INIT ACK [Veri Tag=Tag_A,
+ / I-Tag=Tag_Z,
+ (Cancel T1-init timer) <------/ Cookie_Z, & other info]
+ (destroy temp TCB)
+ COOKIE ECHO [Cookie_Z] ------\
+ (Start T1-init timer) \
+ (Enter COOKIE-ECHOED state) \---> (build TCB enter ESTABLISHED
+ state)
+ /---- COOKIE-ACK
+ /
+ (Cancel T1-init timer, <-----/
+ Enter ESTABLISHED state)
+ {app sends 1st user data; strm 0}
+ DATA [TSN=initial TSN_A
+ Strm=0,Seq=0 & user data]--\
+ (Start T3-rtx timer) \
+ \->
+ /----- SACK [TSN Ack=init
+ / TSN_A,Block=0]
+ (Cancel T3-rtx timer) <------/
+ ...
+ {app sends 2 messages;strm 0}
+ /---- DATA
+ / [TSN=init TSN_Z
+ <--/ Strm=0,Seq=0 & user data 1]
+ SACK [TSN Ack=init TSN_Z, /---- DATA
+ Block=0] --------\ / [TSN=init TSN_Z +1,
+ \/ Strm=0,Seq=1 & user data 2]
+ <------/\
+ \
+ \------>
+
+ Figure 4: INITiation Example
+
+
+
+
+
+
+Stewart, et al. Informational [Page 64]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ Old text: (Section 5.2.4.1)
+ ---------
+
+ Endpoint A Endpoint Z
+ <------------ Association is established---------------------->
+ Tag=Tag_A Tag=Tag_Z
+ <------------------------------------------------------------->
+ {A crashes and restarts}
+ {app sets up a association with Z}
+ (build TCB)
+ INIT [I-Tag=Tag_A'
+ & other info] --------\
+ (Start T1-init timer) \
+ (Enter COOKIE-WAIT state) \---> (find a existing TCB
+ compose temp TCB and Cookie_Z
+ with Tie-Tags to previous
+ association)
+ /--- INIT ACK [Veri Tag=Tag_A',
+ / I-Tag=Tag_Z',
+ (Cancel T1-init timer) <------/ Cookie_Z[TieTags=
+ Tag_A,Tag_Z
+ & other info]
+ (destroy temp TCB,leave original
+ in place)
+ COOKIE ECHO [Veri=Tag_Z',
+ Cookie_Z
+ Tie=Tag_A,
+ Tag_Z]----------\
+ (Start T1-init timer) \
+ (Enter COOKIE-ECHOED state) \---> (Find existing association,
+ Tie-Tags match old tags,
+ Tags do not match i.e.,
+ case X X M M above,
+ Announce Restart to ULP
+ and reset association).
+ /---- COOKIE-ACK
+ (Cancel T1-init timer, <------/
+ Enter ESTABLISHED state)
+ {app sends 1st user data; strm 0}
+ DATA [TSN=initial TSN_A
+ Strm=0,Seq=1 & user data]--\
+ (Start T3-rtx timer) \
+ \->
+ /--- SACK [TSN Ack=init TSN_A,Block=0]
+ (Cancel T3-rtx timer) <------/
+
+ Figure 5: A Restart Example
+
+
+
+Stewart, et al. Informational [Page 65]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 5.2.4.1)
+ ---------
+
+ Endpoint A Endpoint Z
+ <-------------- Association is established---------------------->
+ Tag=Tag_A Tag=Tag_Z
+ <--------------------------------------------------------------->
+ {A crashes and restarts}
+ {app sets up a association with Z}
+ (build TCB)
+ INIT [I-Tag=Tag_A'
+ & other info] --------\
+ (Start T1-init timer) \
+ (Enter COOKIE-WAIT state) \---> (find a existing TCB
+ compose temp TCB and Cookie_Z
+ with Tie-Tags to previous
+ association)
+ /--- INIT ACK [Veri Tag=Tag_A',
+ / I-Tag=Tag_Z',
+ (Cancel T1-init timer) <------/ Cookie_Z[TieTags=
+ Tag_A,Tag_Z
+ & other info]
+ (destroy temp TCB,leave original
+ in place)
+ COOKIE ECHO [Veri=Tag_Z',
+ Cookie_Z
+ Tie=Tag_A,
+ Tag_Z]----------\
+ (Start T1-init timer) \
+ (Enter COOKIE-ECHOED state) \---> (Find existing association,
+ Tie-Tags match old tags,
+ Tags do not match i.e.,
+ case X X M M above,
+ Announce Restart to ULP
+ and reset association).
+ /---- COOKIE-ACK
+ (Cancel T1-init timer, <------/
+ Enter ESTABLISHED state)
+ {app sends 1st user data; strm 0}
+ DATA [TSN=initial TSN_A
+ Strm=0,Seq=0 & user data]--\
+ (Start T3-rtx timer) \
+ \->
+ /--- SACK [TSN Ack=init TSN_A,Block=0]
+ (Cancel T3-rtx timer) <------/
+
+ Figure 5: A Restart Example
+
+
+
+Stewart, et al. Informational [Page 66]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.31.3. Solution description
+
+ Figure 4 and 5 were changed so that the SSN starts with 0 instead of
+ 1.
+
+2.32. Unrecognized Parameters
+
+2.32.1. Description of the Problem
+
+ The RFC does not state clearly in Section 3.3.3.1 whether one or
+ multiple unrecognized parameters are included in the 'Unrecognized
+ Parameter' parameter.
+
+2.32.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.3.3)
+ ---------
+ Variable Parameters Status Type Value
+ -------------------------------------------------------------
+ State Cookie Mandatory 7
+ IPv4 Address (Note 1) Optional 5
+ IPv6 Address (Note 1) Optional 6
+ Unrecognized Parameters Optional 8
+ Reserved for ECN Capable (Note 2) Optional 32768 (0x8000)
+ Host Name Address (Note 3) Optional 11
+
+ ---------
+ New text: (Section 3.3.3)
+ ---------
+ Variable Parameters Status Type Value
+ -------------------------------------------------------------
+ State Cookie Mandatory 7
+ IPv4 Address (Note 1) Optional 5
+ IPv6 Address (Note 1) Optional 6
+ Unrecognized Parameter Optional 8
+ Reserved for ECN Capable (Note 2) Optional 32768 (0x8000)
+ Host Name Address (Note 3) Optional 11
+
+
+ ---------
+ Old text: (Section 3.3.3.1)
+ ---------
+ Unrecognized Parameters:
+
+ Parameter Type Value: 8
+
+ Parameter Length: Variable Size.
+
+
+
+Stewart, et al. Informational [Page 67]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ Parameter Value:
+ This parameter is returned to the originator of the INIT
+ chunk when the INIT contains an unrecognized parameter
+ which has a value that indicates that it should be reported
+ to the sender. This parameter value field will contain
+ unrecognized parameters copied from the INIT chunk complete
+ with Parameter Type, Length and Value fields.
+
+ ---------
+ New text: (Section 3.3.3.1)
+ ---------
+ Unrecognized Parameter:
+
+ Parameter Type Value: 8
+
+ Parameter Length: Variable Size.
+
+ Parameter Value:
+
+ This parameter is returned to the originator of the INIT
+ chunk when the INIT contains an unrecognized parameter
+ that has a value that indicates that it should be reported
+ to the sender. This parameter value field will contain the
+ unrecognized parameter copied from the INIT chunk complete
+ with Parameter Type, Length, and Value fields.
+
+2.32.3. Solution Description
+
+ The new text states clearly that only one unrecognized parameter is
+ reported per parameter.
+
+2.33. Handling of Unrecognized Parameters
+
+2.33.1. Description of the Problem
+
+ It is not stated clearly in RFC 2960 [5] how unrecognized parameters
+ should be handled. The problem comes up when an INIT contains an
+ unrecognized parameter with highest bits 00. It was not clear
+ whether an INIT-ACK should be sent.
+
+2.33.2. Text Changes to the Document
+
+ Some of the changes given here already include changes suggested in
+ Section 2.27 of this document.
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 68]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ Old text: (Section 3.2.1)
+ ---------
+
+ 00 - Stop processing this SCTP packet and discard it, do not process
+ any further chunks within it.
+
+ 01 - Stop processing this SCTP packet and discard it, do not process
+ any further chunks within it, and report the unrecognized
+ parameter in an 'Unrecognized Parameter Type' (in either an
+ ERROR or in the INIT ACK).
+
+ 10 - Skip this parameter and continue processing.
+
+ 11 - Skip this parameter and continue processing but report the
+ unrecognized parameter in an 'Unrecognized Parameter Type' (in
+ either an ERROR or in the INIT ACK).
+
+ ---------
+ New text: (Section 3.2.1)
+ ---------
+
+ 00 - Stop processing this parameter; do not process
+ any further parameters within this chunk.
+
+ 01 - Stop processing this parameter, do not process
+ any further parameters within this chunk, and report the
+ unrecognized parameter in an 'Unrecognized Parameter Type', as
+ described in 3.2.2.
+
+ 10 - Skip this parameter and continue processing.
+
+ 11 - Skip this parameter and continue processing but report the
+ unrecognized parameter in an 'Unrecognized Parameter Type', as
+ described in 3.2.2.
+
+
+ ---------
+ New text: (Note: no old text; clarification added in section 3.2)
+ ---------
+
+ 3.2.2. Reporting of Unrecognized Parameters
+
+ If the receiver of an INIT chunk detects unrecognized parameters and
+ has to report them according to Section 3.2.1, it MUST put the
+ 'Unrecognized Parameter' parameter(s) in the INIT-ACK chunk sent in
+ response to the INIT-chunk. Note that if the receiver of the INIT
+ chunk is NOT going to establish an association (e.g., due to lack of
+
+
+
+Stewart, et al. Informational [Page 69]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ resources), an 'Unrecognized Parameter' would NOT be included with
+ any ABORT being sent to the sender of the INIT.
+
+ If the receiver of an INIT-ACK chunk detects unrecognized parameters
+ and has to report them according to Section 3.2.1, it SHOULD bundle
+ the ERROR chunk containing the 'Unrecognized Parameter' error cause
+ with the COOKIE-ECHO chunk sent in response to the INIT-ACK chunk.
+ If the receiver of the INIT-ACK cannot bundle the COOKIE-ECHO chunk
+ with the ERROR chunk, the ERROR chunk MAY be sent separately but not
+ before the COOKIE-ACK has been received.
+
+ Note: Any time a COOKIE-ECHO is sent in a packet, it MUST be the
+ first chunk.
+
+2.33.3. Solution Description
+
+ The procedure of handling unrecognized parameters has been described
+ clearly.
+
+2.34. Tie Tags
+
+2.34.1. Description of the Problem
+
+ RFC 2960 requires that Tie-Tags be included in the COOKIE. The
+ cookie may not be encrypted. An attacker could discover the value of
+ the Verification Tags by analyzing cookies received after sending an
+ INIT.
+
+2.34.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 1.4)
+ ---------
+ o Tie-Tags: Verification Tags from a previous association. These
+ Tags are used within a State Cookie so that the newly
+ restarting association can be linked to the original
+ association within the endpoint that did not restart.
+
+ ---------
+ New text: (Section 1.4)
+ ---------
+
+ o Tie-Tags: Two 32-bit random numbers that together make a 64-
+ bit nonce. These Tags are used within a State Cookie and TCB
+ so that a newly restarting association can be linked to the
+ original association within the endpoint that did not restart
+ and yet not reveal the true Verification Tags of an existing
+ association.
+
+
+
+Stewart, et al. Informational [Page 70]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ Old text: (Section 5.2.1)
+ ---------
+
+ For an endpoint that is in the COOKIE-ECHOED state it MUST
+ populate its Tie-Tags with the Tag information of itself and
+ its peer (see Section 5.2.2 for a description of the Tie-Tags).
+
+ ---------
+ New text: (Section 5.2.1)
+ ---------
+ For an endpoint that is in the COOKIE-ECHOED state it MUST
+ populate its Tie-Tags within both the association TCB and
+ inside the State Cookie (see section 5.2.2 for a description
+ of the Tie-Tags).
+
+
+ ---------
+ Old text: (Section 5.2.2)
+ ---------
+ Unless otherwise stated, upon reception of an unexpected INIT for
+ this association, the endpoint shall generate an INIT ACK with a
+ State Cookie. In the outbound INIT ACK the endpoint MUST copy its
+ current Verification Tag and peer's Verification Tag into a
+ reserved place within the state cookie. We shall refer to these
+ locations as the Peer's-Tie-Tag and the Local-Tie-Tag. The
+ outbound SCTP packet containing this INIT ACK MUST carry a
+ Verification Tag value equal to the Initiation Tag found in the
+ unexpected INIT. And the INIT ACK MUST contain a new Initiation
+ Tag (randomly generated see Section 5.3.1). Other parameters
+ for the endpoint SHOULD be copied from the existing parameters
+ of the association (e.g., number of outbound streams) into the
+ INIT ACK and cookie.
+
+ ---------
+ New text: (Section 5.2.2)
+ ---------
+
+ Unless otherwise stated, upon receipt of an unexpected INIT for
+ this association, the endpoint MUST generate an INIT ACK with a
+ State Cookie. In the outbound INIT ACK, the endpoint MUST copy
+ its current Tie-Tags to a reserved place within the State Cookie
+ and the association's TCB. We shall refer to these locations
+ inside the cookie as the Peer's-Tie-Tag and the Local-Tie-Tag. We
+ will refer to the copy within an association's TCB as the Local
+ Tag and Peer's Tag. The outbound SCTP packet containing this INIT
+ ACK MUST carry a Verification Tag value equal to the Initiation
+ Tag found in the unexpected INIT. And the INIT ACK MUST contain a
+
+
+
+Stewart, et al. Informational [Page 71]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ new Initiation Tag (randomly generated; see Section 5.3.1). Other
+ parameters for the endpoint SHOULD be copied from the existing
+ parameters of the association (e.g., number of outbound streams)
+ into the INIT ACK and cookie.
+
+2.34.3. Solution Description
+
+ The solution to this problem is not to use the real Verification Tags
+ within the State Cookie as tie-tags. Instead, two 32-bit random
+ numbers are created to form one 64-bit nonce and stored both in the
+ State Cookie and the existing association TCB. This prevents
+ exposing the Verification Tags inadvertently.
+
+2.35. Port Number Verification in the COOKIE-ECHO
+
+2.35.1. Description of the Problem
+
+ The State Cookie sent by a listening SCTP endpoint may not contain
+ the original port numbers or the local Verification Tag. It is then
+ possible that the endpoint, on receipt of the COOKIE-ECHO, will not
+ be able to verify that these values match the original values found
+ in the INIT and INIT-ACK that began the association setup.
+
+2.35.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 5.1.5)
+ ---------
+ 3) Compare the creation timestamp in the State Cookie to the
+ current local time. If the elapsed time is longer than the
+ lifespan carried in the State Cookie, then the packet,
+ including the COOKIE ECHO and any attached DATA chunks,
+ SHOULD be discarded and the endpoint MUST transmit an ERROR
+ chunk with a "Stale Cookie" error cause to the peer endpoint,
+
+ 4) If the State Cookie is valid, create an association to the
+ sender of the COOKIE ECHO chunk with the information in the
+ TCB data carried in the COOKIE ECHO, and enter the
+ ESTABLISHED state,
+
+ 5) Send a COOKIE ACK chunk to the peer acknowledging reception
+ of the COOKIE ECHO. The COOKIE ACK MAY be bundled with an
+ outbound DATA chunk or SACK chunk; however, the COOKIE ACK
+ MUST be the first chunk in the SCTP packet.
+
+ 6) Immediately acknowledge any DATA chunk bundled with the COOKIE
+ ECHO with a SACK (subsequent DATA chunk acknowledgement should
+ follow the rules defined in Section 6.2). As mentioned in step
+
+
+
+Stewart, et al. Informational [Page 72]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ 5), if the SACK is bundled with the COOKIE ACK, the COOKIE ACK
+ MUST appear first in the SCTP packet.
+
+ ---------
+ New text: (Section 5.1.5)
+ ---------
+
+ 3) Compare the port numbers and the Verification Tag contained
+ within the COOKIE ECHO chunk to the actual port numbers and the
+ Verification Tag within the SCTP common header of the received
+ packet. If these values do not match, the packet MUST be
+ silently discarded.
+
+ 4) Compare the creation timestamp in the State Cookie to the
+ current local time. If the elapsed time is longer than the
+ lifespan carried in the State Cookie, then the packet,
+ including the COOKIE ECHO and any attached DATA chunks,
+ SHOULD be discarded, and the endpoint MUST transmit an
+ ERROR chunk with a "Stale Cookie" error cause to the peer
+ endpoint.
+
+ 5) If the State Cookie is valid, create an association to the
+ sender of the COOKIE ECHO chunk with the information in the
+ TCB data carried in the COOKIE ECHO and enter the
+ ESTABLISHED state.
+
+ 6) Send a COOKIE ACK chunk to the peer acknowledging receipt of
+ the COOKIE ECHO. The COOKIE ACK MAY be bundled with an
+ outbound DATA chunk or SACK chunk; however, the COOKIE ACK
+ MUST be the first chunk in the SCTP packet.
+
+ 7) Immediately acknowledge any DATA chunk bundled with the COOKIE
+ ECHO with a SACK (subsequent DATA chunk acknowledgement should
+ follow the rules defined in Section 6.2). As mentioned in step
+ 5, if the SACK is bundled with the COOKIE ACK, the COOKIE ACK
+ MUST appear first in the SCTP packet.
+
+2.35.3. Solution Description
+
+ By including both port numbers and the local Verification Tag within
+ the State Cookie and verifying these during COOKIE-ECHO processing,
+ this issue is resolved.
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 73]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.36. Path Initialization
+
+2.36.1. Description of the Problem
+
+ When an association enters the ESTABLISHED state, the endpoint has no
+ verification that all of the addresses presented by the peer do in
+ fact belong to the peer. This could cause various forms of denial of
+ service attacks.
+
+2.36.2. Text Changes to the Document
+
+ ---------
+ Old text: None
+ ---------
+
+ ---------
+ New text: (Section 5.4)
+ ---------
+ 5.4. Path Verification
+
+ During association establishment, the two peers exchange a list of
+ addresses. In the predominant case, these lists accurately represent
+ the addresses owned by each peer. However, it is possible that a
+ misbehaving peer may supply addresses that it does not own. To
+ prevent this, the following rules are applied to all addresses of the
+ new association:
+
+ 1) Any address passed to the sender of the INIT by its upper layer is
+ automatically considered to be CONFIRMED.
+
+ 2) For the receiver of the COOKIE-ECHO the only CONFIRMED address is
+ the one that the INIT-ACK was sent to.
+
+ 3) All other addresses not covered by rules 1 and 2 are considered
+ UNCONFIRMED and are subject to probing for verification.
+
+ To probe an address for verification, an endpoint will send
+ HEARTBEATs including a 64-bit random nonce and a path indicator (to
+ identify the address that the HEARTBEAT is sent to) within the
+ HEARTBEAT parameter.
+
+ Upon receipt of the HEARTBEAT-ACK, a verification is made that the
+ nonce included in the HEARTBEAT parameter is the one sent to the
+ address indicated inside the HEARTBEAT parameter. When this match
+ occurs, the address that the original HEARTBEAT was sent to is now
+ considered CONFIRMED and available for normal data transfer.
+
+
+
+
+
+Stewart, et al. Informational [Page 74]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ These probing procedures are started when an association moves to the
+ ESTABLISHED state and are ended when all paths are confirmed.
+
+ Each RTO a probe may be sent on an active UNCONFIRMED path in an
+ attempt to move it to the CONFIRMED state. If during this probing
+ the path becomes inactive, this rate is lowered to the normal
+ HEARTBEAT rate. At the expiration of the RTO timer, the error
+ counter of any path that was probed but not CONFIRMED is incremented
+ by one and subjected to path failure detection, as defined in section
+ 8.2. When probing UNCONFIRMED addresses, however, the association
+ overall error count is NOT incremented.
+
+ The number of HEARTBEATS sent at each RTO SHOULD be limited by the
+ HB.Max.Burst parameter. It is an implementation decision as to how
+ to distribute HEARTBEATS to the peer's addresses for path
+ verification.
+
+ Whenever a path is confirmed, an indication MAY be given to the upper
+ layer.
+
+ An endpoint MUST NOT send any chunks to an UNCONFIRMED address, with
+ the following exceptions:
+
+ - A HEARTBEAT including a nonce MAY be sent to an UNCONFIRMED
+ address.
+
+ - A HEARTBEAT-ACK MAY be sent to an UNCONFIRMED address.
+
+ - A COOKIE-ACK MAY be sent to an UNCONFIRMED address, but it MUST be
+ bundled with a HEARTBEAT including a nonce. An implementation that
+ does NOT support bundling MUST NOT send a COOKIE-ACK to an
+ UNCONFIRMED address.
+
+ - A COOKE-ECHO MAY be sent to an UNCONFIRMED address, but it MUST be
+ bundled with a HEARTBEAT including a nonce, and the packet MUST NOT
+ exceed the path MTU. If the implementation does NOT support
+ bundling or if the bundled COOKIE-ECHO plus HEARTBEAT (including
+ nonce) would exceed the path MTU, then the implementation MUST NOT
+ send a COOKIE-ECHO to an UNCONFIRMED address.
+
+ ---------
+ Old text: (Section 14)
+ ---------
+
+ 14. Suggested SCTP Protocol Parameter Values
+
+ The following protocol parameters are RECOMMENDED:
+
+
+
+
+Stewart, et al. Informational [Page 75]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ RTO.Initial - 3 seconds
+ RTO.Min - 1 second
+ RTO.Max - 60 seconds
+ RTO.Alpha - 1/8
+ RTO.Beta - 1/4
+ Valid.Cookie.Life - 60 seconds
+ Association.Max.Retrans - 10 attempts
+ Path.Max.Retrans - 5 attempts (per destination address)
+ Max.Init.Retransmits - 8 attempts
+ HB.interval - 30 seconds
+
+ ---------
+ New text: (Section 14)
+ ---------
+
+ 14. Suggested SCTP Protocol Parameter Values
+
+ The following protocol parameters are RECOMMENDED:
+
+ RTO.Initial - 3 seconds
+ RTO.Min - 1 second
+ RTO.Max - 60 seconds
+ Max.Burst - 4
+ RTO.Alpha - 1/8
+ RTO.Beta - 1/4
+ Valid.Cookie.Life - 60 seconds
+ Association.Max.Retrans - 10 attempts
+ Path.Max.Retrans - 5 attempts (per destination address)
+ Max.Init.Retransmits - 8 attempts
+ HB.Interval - 30 seconds
+ HB.Max.Burst - 1
+
+2.36.3. Solution Description
+
+ By properly setting up initial path state and accelerated probing via
+ HEARTBEAT's, a new association can verify that all addresses
+ presented by a peer belong to that peer.
+
+2.37. ICMP Handling Procedures
+
+2.37.1. Description of the Problem
+
+ RFC 2960 does not describe how ICMP messages should be processed by
+ an SCTP endpoint.
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 76]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.37.2. Text Changes to the Document
+
+ --------
+ Old text: None
+ --------
+
+ ---------
+ New text
+ ---------
+
+ 11.5. Protection of Non-SCTP Capable Hosts.
+
+ To provide a non-SCTP capable host with the same level of protection
+ against attacks as for SCTP-capable ones, all SCTP stacks MUST
+ implement the ICMP handling described in Appendix C.
+
+ When an SCTP stack receives a packet containing multiple control or
+ DATA chunks and the processing of the packet requires the sending of
+ multiple chunks in response, the sender of the response chunk(s) MUST
+ NOT send more than one packet. If bundling is supported, multiple
+ response chunks that fit into a single packet MAY be bundled together
+ into one single response packet. If bundling is not supported, then
+ the sender MUST NOT send more than one response chunk and MUST
+ discard all other responses. Note that this rule does NOT apply to a
+ SACK chunk, since a SACK chunk is, in itself, a response to DATA and
+ a SACK does not require a response of more DATA.
+
+ An SCTP implementation SHOULD abort the association if it receives a
+ SACK acknowledging a TSN that has not been sent.
+
+ An SCTP implementation that receives an INIT that would require a
+ large packet in response, due to the inclusion of multiple ERROR
+ parameters, MAY (at its discretion) elect to omit some or all of the
+ ERROR parameters to reduce the size of the INIT-ACK. Due to a
+ combination of the size of the COOKIE parameter and the number of
+ addresses a receiver of an INIT may be indicating to a peer, it is
+ always possible that the INIT-ACK will be larger than the original
+ INIT. An SCTP implementation SHOULD attempt to make the INIT-ACK as
+ small as possible to reduce the possibility of byte amplification
+ attacks.
+
+ ---------
+ Old text: None
+ ---------
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 77]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Appendix C)
+ ---------
+
+ Appendix C ICMP Handling
+
+ Whenever an ICMP message is received by an SCTP endpoint the
+ following procedures MUST be followed to ensure proper utilization of
+ the information being provided by layer 3.
+
+ ICMP1) An implementation MAY ignore all ICMPv4 messages where the
+ type field is not set to "Destination Unreachable".
+
+ ICMP2) An implementation MAY ignore all ICMPv6 messages where the
+ type field is not "Destination Unreachable, "Parameter
+ Problem" or "Packet Too Big".
+
+ ICMP3) An implementation MAY ignore any ICMPv4 messages where the
+ code does not indicate "Protocol Unreachable" or
+ "Fragmentation Needed".
+
+ ICMP4) An implementation MAY ignore all ICMPv6 messages of type
+ "Parameter Problem" if the code is not "Unrecognized next
+ header type encountered".
+
+ ICMP5) An implementation MUST use the payload of the ICMP message (V4
+ or V6) to locate the association that sent the message that
+ ICMP is responding to. If the association cannot be found, an
+ implementation SHOULD ignore the ICMP message.
+
+ ICMP6) An implementation MUST validate that the Verification Tag
+ contained in the ICMP message matches the verification tag of
+ the peer. If the Verification Tag is not 0 and does NOT
+ match, discard the ICMP message. If it is 0 and the ICMP
+ message contains enough bytes to verify that the chunk type is
+ an INIT chunk and that the initiate tag matches the tag of the
+ peer, continue with ICMP7. If the ICMP message is too short
+ or the chunk type or the initiate tag does not match, silently
+ discard the packet.
+
+ ICMP7) If the ICMP message is either a V6 "Packet Too Big" or a V4
+ "Fragmentation Needed", an implementation MAY process this
+ information as defined for PATH MTU discovery.
+
+ ICMP8) If the ICMP code is a "Unrecognized next header type
+ encountered" or a "Protocol Unreachable", an implementation
+ MUST treat this message as an abort with the T bit set if it
+ does not contain an INIT chunk. If it does contain an INIT
+
+
+
+Stewart, et al. Informational [Page 78]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ chunk and the association is in COOKIE-WAIT state, handle the
+ ICMP message like an ABORT.
+
+ ICMP9) If the ICMPv6 code is "Destination Unreachable", the
+ implementation MAY mark the destination into the unreachable
+ state or alternatively increment the path error counter.
+
+ Note that these procedures differ from RFC 1122 [1] and from its
+ requirements for processing of port-unreachable messages and the
+ requirements that an implementation MUST abort associations in
+ response to a "protocol unreachable" message. Port unreachable
+ messages are not processed, since an implementation will send an
+ ABORT, not a port unreachable. The stricter handling of the
+ "protocol unreachable" message is due to security concerns for hosts
+ that do NOT support SCTP.
+
+2.37.3. Solution Description
+
+ The new appendix now describes proper handling of ICMP messages in
+ conjunction with SCTP.
+
+2.38. Checksum
+
+2.38.1. Description of the problem
+
+ RFC 3309 [6] changes the SCTP checksum due to weaknesses in the
+ original Adler 32 checksum for small messages. This document, being
+ used as a guide for a cut and paste replacement to update RFC 2960,
+ thus also needs to incorporate the checksum changes. The idea is
+ that one could apply all changes found in this guide to a copy of RFC
+ 2960 and have a "new" document that has ALL changes (including RFC
+ 3309).
+
+2.38.2. Text Changes to the Document
+
+ ---------
+ Old text:
+ ---------
+
+ 6.8 Adler-32 Checksum Calculation
+
+ When sending an SCTP packet, the endpoint MUST strengthen the data
+ integrity of the transmission by including the Adler-32 checksum
+ value calculated on the packet, as described below.
+
+ After the packet is constructed (containing the SCTP common header
+ and one or more control or DATA chunks), the transmitter shall:
+
+
+
+
+Stewart, et al. Informational [Page 79]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ 1) Fill in the proper Verification Tag in the SCTP common header
+ and initialize the checksum field to 0's.
+
+ 2) Calculate the Adler-32 checksum of the whole packet, including
+ the SCTP common header and all the chunks. Refer to
+ appendix B for details of the Adler-32 algorithm. And,
+
+ 3) Put the resultant value into the checksum field in the common
+ header, and leave the rest of the bits unchanged.
+
+ When an SCTP packet is received, the receiver MUST first check the
+ Adler-32 checksum:
+
+ 1) Store the received Adler-32 checksum value aside,
+
+ 2) Replace the 32 bits of the checksum field in the received SCTP
+ packet with all '0's and calculate an Adler-32 checksum value
+ of the whole received packet. And,
+
+ 3) Verify that the calculated Adler-32 checksum is the same as the
+ received Adler-32 checksum. If not, the receiver MUST treat
+ the packet as an invalid SCTP packet.
+
+ The default procedure for handling invalid SCTP packets is to
+ silently discard them.
+
+ ---------
+ New text:
+ ---------
+
+ 6.8 CRC-32c Checksum Calculation
+
+ When sending an SCTP packet, the endpoint MUST strengthen the data
+ integrity of the transmission by including the CRC32c checksum
+ value calculated on the packet, as described below.
+
+ After the packet is constructed (containing the SCTP common header
+ and one or more control or DATA chunks), the transmitter MUST
+
+ 1) fill in the proper Verification Tag in the SCTP common header
+ and initialize the checksum field to '0's,
+
+ 2) calculate the CRC32c checksum of the whole packet, including
+ the SCTP common header and all the chunks (refer to
+ appendix B for details of the CRC32c algorithm); and
+
+ 3) put the resultant value into the checksum field in the common
+ header, and leave the rest of the bits unchanged.
+
+
+
+Stewart, et al. Informational [Page 80]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ When an SCTP packet is received, the receiver MUST first check the
+ CRC32c checksum as follows:
+
+ 1) Store the received CRC32c checksum value aside.
+
+ 2) Replace the 32 bits of the checksum field in the received SCTP
+ packet with all '0's and calculate a CRC32c checksum value of
+ the whole received packet.
+
+ 3) Verify that the calculated CRC32c checksum is the same as the
+ received CRC32c checksum. If it is not, the receiver MUST
+ treat the packet as an invalid SCTP packet.
+
+ The default procedure for handling invalid SCTP packets is to
+ silently discard them.
+
+ Any hardware implementation SHOULD be done in a way that is
+ verifiable by the software.
+
+
+ ---------
+ Old text:
+ ---------
+
+ Appendix B Alder 32 bit checksum calculation
+
+ The Adler-32 checksum calculation given in this appendix is
+ copied from [RFC1950].
+
+ Adler-32 is composed of two sums accumulated per byte: s1 is the
+ sum of all bytes, s2 is the sum of all s1 values. Both sums are
+ done modulo 65521. s1 is initialized to 1, s2 to zero. The
+ Adler-32 checksum is stored as s2*65536 + s1 in network byte
+ order.
+
+ The following C code computes the Adler-32 checksum of a data
+ buffer. It is written for clarity, not for speed. The sample
+ code is in the ANSI C programming language. Non C users may
+ find it easier to read with these hints:
+
+ & Bitwise AND operator.
+ >> Bitwise right shift operator. When applied to an
+ unsigned quantity, as here, right shift inserts zero bit(s)
+ at the left.
+ << Bitwise left shift operator. Left shift inserts zero
+ bit(s) at the right.
+ ++ "n++" increments the variable n.
+ % modulo operator: a % b is the remainder of a divided by b.
+
+
+
+Stewart, et al. Informational [Page 81]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ #define BASE 65521 /* largest prime smaller than 65536 */
+ /*
+ Update a running Adler-32 checksum with the bytes buf[0..len-1]
+ and return the updated checksum. The Adler-32 checksum should
+ be initialized to 1.
+
+ Usage example:
+
+ unsigned long adler = 1L;
+
+ while (read_buffer(buffer, length) != EOF) {
+ adler = update_adler32(adler, buffer, length);
+ }
+ if (adler != original_adler) error();
+ */
+ unsigned long update_adler32(unsigned long adler,
+ unsigned char *buf, int len)
+ {
+ unsigned long s1 = adler & 0xffff;
+ unsigned long s2 = (adler >> 16) & 0xffff;
+ int n;
+
+ for (n = 0; n < len; n++) {
+ s1 = (s1 + buf[n]) % BASE;
+ s2 = (s2 + s1) % BASE;
+ }
+ return (s2 << 16) + s1;
+ }
+
+ /* Return the adler32 of the bytes buf[0..len-1] */
+ unsigned long adler32(unsigned char *buf, int len)
+ {
+ return update_adler32(1L, buf, len);
+ }
+
+ ---------
+ New text:
+ ---------
+
+ Appendix B CRC32c Checksum Calculation
+
+ We define a 'reflected value' as one that is the opposite of the
+ normal bit order of the machine. The 32-bit CRC is calculated as
+ described for CRC-32c and uses the polynomial code 0x11EDC6F41
+ (Castagnoli93) or x^32+x^28+x^27+x^26+x^25
+ +x^23+x^22+x^20+x^19+x^18+x^14+x^13+x^11+x^10+x^9+x^8+x^6+x^0.
+ The CRC is computed using a procedure similar to ETHERNET CRC
+ [ITU32], modified to reflect transport level usage.
+
+
+
+Stewart, et al. Informational [Page 82]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ CRC computation uses polynomial division. A message
+ bit-string M is transformed to a polynomial, M(X), and the CRC
+ is calculated from M(X) using polynomial arithmetic [PETERSON 72].
+
+ When CRCs are used at the link layer, the polynomial is derived
+ from on-the-wire bit ordering: the first bit 'on the wire' is the
+ high-order coefficient. Since SCTP is a transport-level protocol,
+ it cannot know the actual serial-media bit ordering. Moreover,
+ different links in the path between SCTP endpoints may use
+ different link-level bit orders.
+
+ A convention must therefore be established for mapping SCTP
+ transport messages to polynomials for purposes of CRC computation.
+ The bit-ordering for mapping SCTP messages to polynomials is that
+ bytes are taken most-significant first; but within each byte, bits
+ are taken least-significant first. The first byte of the message
+ provides the eight highest coefficients. Within each byte,
+ the least-significant SCTP bit gives the most significant
+ polynomial coefficient within that byte, and the most-significant
+ SCTP bit is the least significant polynomial coefficient in that
+ byte. (This bit ordering is sometimes called 'mirrored' or
+ 'reflected' [WILLIAMS93].) CRC polynomials are to be transformed
+ back into SCTP transport-level byte values, using a consistent
+ mapping.
+
+ The SCTP transport-level CRC value should be calculated as
+ follows:
+
+ - CRC input data are assigned to a byte stream, numbered from
+ 0 to N-1.
+
+ - The transport-level byte-stream is mapped to a polynomial
+ value. An N-byte PDU with j bytes numbered 0 to N-1 is
+ considered as coefficients of a polynomial M(x) of order
+ 8N-1, with bit 0 of byte j being coefficient x^(8(N-j)-8),
+ and bit 7 of byte j being coefficient x^(8(N-j)-1).
+
+ - The CRC remainder register is initialized with all 1s and
+ the CRC is computed with an algorithm that simultaneously
+ multiplies by x^32 and divides by the CRC polynomial.
+
+ - The polynomial is multiplied by x^32 and divided by G(x),
+ the generator polynomial, producing a remainder R(x) of
+ degree less than or equal to 31.
+
+ - The coefficients of R(x) are considered a 32-bit sequence.
+
+
+
+
+
+Stewart, et al. Informational [Page 83]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ - The bit sequence is complemented. The result is the CRC
+ polynomial.
+
+ - The CRC polynomial is mapped back into SCTP transport-level
+ bytes. The coefficient of x^31 gives the value of bit 7 of
+ SCTP byte 0, and the coefficient of x^24 gives the value of
+ bit 0 of byte 0. The coefficient of x^7 gives bit 7 of
+ byte 3, and the coefficient of x^0 gives bit 0 of byte 3.
+ The resulting four-byte transport-level sequence is the
+ 32-bit SCTP checksum value.
+
+ IMPLEMENTATION NOTE: Standards documents, textbooks, and vendor
+ literature on CRCs often follow an alternative formulation, in
+ which the register used to hold the remainder of the
+ long-division algorithm is initialized to zero rather than
+ all-1s, and instead the first 32 bits of the message are
+ complemented. The long-division algorithm used in our
+ formulation is specified such that the initial
+ multiplication by 2^32 and the long-division are combined into
+ one simultaneous operation. For such algorithms, and for
+ messages longer than 64 bits, the two specifications are
+ precisely equivalent. That equivalence is the intent of
+ this document.
+
+ Implementors of SCTP are warned that both specifications are to be
+ found in the literature, sometimes with no restriction on the
+ long-division algorithm. The choice of formulation in this
+ document is to permit non-SCTP usage, where the same CRC
+ algorithm may be used to protect messages shorter than 64 bits.
+
+ There may be a computational advantage in validating the
+ Association against the Verification Tag, prior to performing a
+ checksum, as invalid tags will result in the same action as a bad
+ checksum in most cases. The exceptions for this technique would
+ be INIT and some SHUTDOWN-COMPLETE exchanges, as well as a stale
+ COOKIE-ECHO. These special case exchanges must represent small
+ packets and will minimize the effect of the checksum calculation.
+
+
+ ---------
+ Old text: (Section 18)
+ ---------
+
+ 18. Bibliography
+
+ [ALLMAN99] Allman, M. and Paxson, V., "On Estimating End-to-End
+ Network Path Properties", Proc. SIGCOMM'99, 1999.
+
+
+
+
+Stewart, et al. Informational [Page 84]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ [FALL96] Fall, K. and Floyd, S., Simulation-based Comparisons of
+ Tahoe, Reno, and SACK TCP, Computer Communications Review,
+ V. 26 N. 3, July 1996, pp. 5-21.
+
+ [RFC1750] Eastlake, D. (ed.), "Randomness Recommendations for
+ Security", RFC 1750, December 1994.
+
+ [RFC1950] Deutsch P. and J. Gailly, "ZLIB Compressed Data Format
+ Specification version 3.3", RFC 1950, May 1996.
+
+ [RFC2104] Krawczyk, H., Bellare, M. and R. Canetti, "HMAC: Keyed-
+ Hashing for Message Authentication", RFC 2104, March 1997.
+
+ [RFC2196] Fraser, B., "Site Security Handbook", FYI 8, RFC 2196,
+ September 1997.
+
+ [RFC2522] Karn, P. and W. Simpson, "Photuris: Session-Key Management
+ Protocol", RFC 2522, March 1999.
+
+ [SAVAGE99] Savage, S., Cardwell, N., Wetherall, D., and Anderson, T.,
+ "TCP Congestion Control with a Misbehaving Receiver", ACM
+ Computer Communication Review, 29(5), October 1999.
+
+ ---------
+ New text: (Section 18, including changes from 2.11)
+ ---------
+
+ 18. Bibliography
+
+ [ALLMAN99] Allman, M. and Paxson, V., "On Estimating End-to-End
+ Network Path Properties", Proc. SIGCOMM'99, 1999.
+
+ [FALL96] Fall, K. and Floyd, S., Simulation-based Comparisons of
+ Tahoe, Reno, and SACK TCP, Computer Communications Review,
+ V. 26 N. 3, July 1996, pp. 5-21.
+
+ [ITU32] ITU-T Recommendation V.42, "Error-correcting
+ procedures for DCEs using asynchronous-to-synchronous
+ conversion", Section 8.1.1.6.2, October 1996.
+
+ [PETERSON 1972] W. W. Peterson and E.J Weldon, Error Correcting
+ Codes, 2nd Edition, MIT Press, Cambridge,
+ Massachusetts.
+
+ [RFC1750] Eastlake, D., Ed., "Randomness Recommendations for
+ Security", RFC 1750, December 1994.
+
+
+
+
+
+Stewart, et al. Informational [Page 85]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ [RFC1858] Ziemba, G., Reed, D. and Traina P., "Security
+ Considerations for IP Fragment Filtering", RFC 1858,
+ October 1995.
+
+ [RFC1950] Deutsch P. and J. Gailly, "ZLIB Compressed Data Format
+ Specification version 3.3", RFC 1950, May 1996.
+
+ [RFC2104] Krawczyk, H., Bellare, M. and R. Canetti, "HMAC: Keyed-
+ Hashing for Message Authentication", RFC 2104, March 1997.
+
+ [RFC2196] Fraser, B., "Site Security Handbook", FYI 8, RFC 2196,
+ September 1997.
+
+ [RFC2522] Karn, P. and W. Simpson, "Photuris: Session-Key Management
+ Protocol", RFC 2522, March 1999.
+
+ [SAVAGE99] Savage, S., Cardwell, N., Wetherall, D., and Anderson, T.,
+ "TCP Congestion Control with a Misbehaving Receiver", ACM
+ Computer Communication Review, 29(5), October 1999.
+
+ [WILLIAMS93] Williams, R., "A PAINLESS GUIDE TO CRC ERROR
+ DETECTION ALGORITHMS" - Internet publication, August
+ 1993,
+ http://www.geocities.com/SiliconValley/Pines/
+ 8659/crc.htm.
+
+2.38.3. Solution Description
+
+ This change adds to the implementor's guide the complete set of
+ changes that, when combined with RFC 2960 [5], encompasses the
+ changes from RFC 3309 [6].
+
+2.39. Retransmission Policy
+
+2.39.1. Description of the Problem
+
+ The current retransmission policy (send all retransmissions an
+ alternate destination) in the specification has performance issues
+ under certain loss conditions with multihomed endpoints. Instead,
+ fast retransmissions should be sent to the same destination, and only
+ timeout retransmissions should be sent to an alternate destination
+ [4].
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 86]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.39.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 6.4)
+ ---------
+
+ Furthermore, when its peer is multi-homed, an endpoint SHOULD try to
+ retransmit a chunk to an active destination transport address that is
+ different from the last destination address to which the DATA chunk
+ was sent.
+
+ ---------
+ New text: (Section 6.4)
+ ---------
+
+ Furthermore, when its peer is multi-homed, an endpoint SHOULD try to
+ retransmit a chunk that timed out to an active destination transport
+ address that is different from the last destination address to which
+ the DATA chunk was sent.
+
+ ---------
+ Old text: (Section 6.4.1)
+ ---------
+
+ When retransmitting data, if the endpoint is multi-homed, it should
+ consider each source-destination address pair in its retransmission
+ selection policy. When retransmitting the endpoint should attempt to
+ pick the most divergent source-destination pair from the original
+ source-destination pair to which the packet was transmitted.
+
+ ---------
+ New text: (Section 6.4.1)
+ ---------
+
+ When retransmitting data that timed out, if the endpoint is
+ multi-homed, it should consider each source-destination address
+ pair in its retransmission selection policy. When retransmitting
+ timed out data, the endpoint should attempt to pick the most
+ divergent source-destination pair from the original
+ source-destination pair to which the packet was transmitted.
+
+2.39.3. Solution Description
+
+ The above wording changes clarify that only timeout retransmissions
+ should be sent to an alternate active destination.
+
+
+
+
+
+
+Stewart, et al. Informational [Page 87]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.40. Port Number 0
+
+2.40.1. Description of the Problem
+
+ The port number 0 has a special semantic in various APIs. For
+ example, in the socket API, if the user specifies 0, the SCTP
+ implementation chooses an appropriate port number for the user.
+ Therefore, the port number 0 should not be used on the wire.
+
+2.40.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.1)
+ ---------
+
+ Source Port Number: 16 bits (unsigned integer)
+
+ This is the SCTP sender's port number. It can be used by the
+ receiver in combination with the source IP address, the SCTP
+ destination port, and possibly the destination IP address to
+ identify the association to which this packet belongs.
+
+ Destination Port Number: 16 bits (unsigned integer)
+
+ This is the SCTP port number to which this packet is destined.
+ The receiving host will use this port number to de-multiplex
+ the SCTP packet to the correct receiving endpoint/application.
+
+ ---------
+ New text: (Section 3.1)
+ ---------
+
+ Source Port Number: 16 bits (unsigned integer)
+
+ This is the SCTP sender's port number. It can be used by the
+ receiver in combination with the source IP address, the SCTP
+ destination port and possibly the destination IP address to
+ identify the association to which this packet belongs.
+ The port number 0 MUST NOT be used.
+
+ Destination Port Number: 16 bits (unsigned integer)
+
+ This is the SCTP port number to which this packet is destined.
+ The receiving host will use this port number to de-multiplex
+ the SCTP packet to the correct receiving endpoint/application.
+ The port number 0 MUST NOT be used.
+
+
+
+
+
+Stewart, et al. Informational [Page 88]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.40.3. Solution Description
+
+ It is clearly stated that the port number 0 is an invalid value on
+ the wire.
+
+2.41. T Bit
+
+2.41.1. Description of the Problem
+
+ The description of the T bit as the bit describing whether a TCB has
+ been destroyed is misleading. In addition, the procedure described
+ in Section 2.13 is not as precise as needed.
+
+2.41.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.3.7)
+ ---------
+
+ T bit: 1 bit
+ The T bit is set to 0 if the sender had a TCB that it
+ destroyed. If the sender did not have a TCB it should set
+ this bit to 1.
+
+ ---------
+ New text: (Section 3.3.7)
+ ---------
+
+ T bit: 1 bit
+ The T bit is set to 0 if the sender filled in the
+ Verification Tag expected by the peer. If the Verification
+ Tag is reflected, the T bit MUST be set to 1. Reflecting means
+ that the sent Verification Tag is the same as the received
+ one.
+
+
+ ---------
+ Old text: (Section 3.3.13)
+ ---------
+
+ T bit: 1 bit
+ The T bit is set to 0 if the sender had a TCB that it
+ destroyed. If the sender did not have a TCB it should set
+ this bit to 1.
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 89]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 3.3.13)
+ ---------
+
+ T bit: 1 bit
+ The T bit is set to 0 if the sender filled in the
+ Verification Tag expected by the peer. If the Verification
+ Tag is reflected, the T bit MUST be set to 1. Reflecting means
+ that the sent Verification Tag is the same as the received
+ one.
+
+
+ ---------
+ Old text: (Section 8.4)
+ ---------
+
+ 3) If the packet contains an INIT chunk with a Verification Tag
+ set to '0', process it as described in Section 5.1.
+ Otherwise,
+
+ ---------
+ New text: (Section 8.4)
+ ---------
+ 3) If the packet contains an INIT chunk with a Verification Tag
+ set to '0', process it as described in Section 5.1. If, for
+ whatever reason, the INIT cannot be processed normally and
+ an ABORT has to be sent in response, the Verification Tag of
+ the packet containing the ABORT chunk MUST be the Initiate
+ tag of the received INIT chunk, and the T-Bit of the ABORT
+ chunk has to be set to 0, indicating that the Verification
+ Tag is NOT reflected.
+
+
+ ---------
+ Old text: (Section 8.4)
+ ---------
+ 5) If the packet contains a SHUTDOWN ACK chunk, the receiver
+ should respond to the sender of the OOTB packet with a
+ SHUTDOWN COMPLETE. When sending the SHUTDOWN COMPLETE, the
+ receiver of the OOTB packet must fill in the Verification
+ Tag field of the outbound packet with the Verification Tag
+ received in the SHUTDOWN ACK and set the T-bit in the Chunk
+ Flags to indicate that no TCB was found. Otherwise,
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 90]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Section 8.4)
+ ---------
+
+ 5) If the packet contains a SHUTDOWN ACK chunk, the receiver
+ should respond to the sender of the OOTB packet with a
+ SHUTDOWN COMPLETE. When sending the SHUTDOWN COMPLETE, the
+ receiver of the OOTB packet must fill in the Verification
+ Tag field of the outbound packet with the Verification Tag
+ received in the SHUTDOWN ACK and set the T-bit in the
+ Chunk Flags to indicate that the Verification Tag is
+ reflected. Otherwise,
+
+
+ ---------
+ Old text: (Section 8.4)
+ ---------
+
+ 8) The receiver should respond to the sender of the OOTB packet
+ with an ABORT. When sending the ABORT, the receiver of the
+ OOTB packet MUST fill in the Verification Tag field of the
+ outbound packet with the value found in the Verification
+ Tag field of the OOTB packet and set the T-bit in the Chunk
+ Flags to indicate that no TCB was found. After sending this
+ ABORT, the receiver of the OOTB packet shall discard the
+ OOTB packet and take no further action.
+
+ ---------
+ New text: (Section 8.4)
+ ---------
+
+ 8) The receiver should respond to the sender of the OOTB packet
+ with an ABORT. When sending the ABORT, the receiver of the
+ OOTB packet MUST fill in the Verification Tag field of the
+ outbound packet with the value found in the Verification Tag
+ field of the OOTB packet and set the T-bit in the Chunk Flags
+ to indicate that the Verification Tag is reflected. After
+ sending this ABORT, the receiver of the OOTB packet shall
+ discard the OOTB packet and take no further action.
+
+
+ ---------
+ Old text: (Section 8.5.1)
+ ---------
+
+ B) Rules for packet carrying ABORT:
+
+
+
+
+
+Stewart, et al. Informational [Page 91]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ - The endpoint shall always fill in the Verification Tag
+ field of the outbound packet with the destination
+ endpoint's tag value if it is known.
+
+ - If the ABORT is sent in response to an OOTB packet, the
+ endpoint MUST follow the procedure described in
+ Section 8.4.
+
+ - The receiver MUST accept the packet if the Verification
+ Tag matches either its own tag, OR the tag of its peer.
+ Otherwise, the receiver MUST silently discard the packet
+ and take no further action.
+
+ ---------
+ New text: (Section 8.5.1)
+ ---------
+
+ B) Rules for packet carrying ABORT:
+
+ - The endpoint MUST always fill in the Verification Tag
+ field of the outbound packet with the destination
+ endpoint's tag value, if it is known.
+
+ - If the ABORT is sent in response to an OOTB packet, the
+ endpoint MUST follow the procedure described in
+ Section 8.4.
+
+ - The receiver of an ABORT MUST accept the packet
+ if the Verification Tag field of the packet matches its
+ own tag and the T bit is not set
+ OR
+ if it is set to its peer's tag and the T bit is set in
+ the Chunk Flags.
+ Otherwise, the receiver MUST silently discard the packet
+ and take no further action.
+
+
+ ---------
+ Old text: (Section 8.5.1)
+ ---------
+
+ C) Rules for packet carrying SHUTDOWN COMPLETE:
+
+ - When sending a SHUTDOWN COMPLETE, if the receiver of the
+ SHUTDOWN ACK has a TCB then the destination endpoint's
+ tag MUST be used. Only where no TCB exists should the
+ sender use the Verification Tag from the SHUTDOWN ACK.
+
+
+
+
+Stewart, et al. Informational [Page 92]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ - The receiver of a SHUTDOWN COMPLETE shall accept the
+ packet if the Verification Tag field of the packet matches
+ its own tag OR it is set to its peer's tag and the T bit
+ is set in the Chunk Flags. Otherwise, the receiver MUST
+ silently discard the packet and take no further action.
+ An endpoint MUST ignore the SHUTDOWN COMPLETE if it is
+ not in the SHUTDOWN-ACK-SENT state.
+
+ ---------
+ New text: (Section 8.5.1)
+ ---------
+
+ C) Rules for packet carrying SHUTDOWN COMPLETE:
+
+ - When sending a SHUTDOWN COMPLETE, if the receiver of the
+ SHUTDOWN ACK has a TCB, then the destination endpoint's tag
+ MUST be used, and the T-bit MUST NOT be set. Only where no
+ TCB exists should the sender use the Verification Tag from
+ the SHUTDOWN ACK, and MUST set the T-bit.
+
+ - The receiver of a SHUTDOWN COMPLETE shall accept the packet
+ if the Verification Tag field of the packet matches its own
+ tag and the T bit is not set
+ OR
+ if it is set to its peer's tag and the T bit is set in the
+ Chunk Flags.
+ Otherwise, the receiver MUST silently discard the packet
+ and take no further action. An endpoint MUST ignore the
+ SHUTDOWN COMPLETE if it is not in the SHUTDOWN-ACK-SENT
+ state.
+
+2.41.3. Solution Description
+
+ The description of the T bit now clearly describes the semantic of
+ the bit. The procedures for receiving the T bit have been clarified.
+
+2.42. Unknown Parameter Handling
+
+2.42.1. Description of the Problem
+
+ The description given in Section 2.33 does not state clearly whether
+ an INIT-ACK or COOKIE-ECHO is sent.
+
+2.42.2. Text Changes to the Document
+
+ The changes given here already include changes suggested in Section
+ 2.2, 2.27, and 2.33 of this document.
+
+
+
+
+Stewart, et al. Informational [Page 93]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ Old text: (Section 3.2.1)
+ ---------
+
+ 00 - Stop processing this SCTP packet and discard it do not process
+ any further chunks within it.
+
+ 01 - Stop processing this SCTP packet and discard it, do not process
+ any further chunks within it, and report the unrecognized
+ parameter in an 'Unrecognized Parameter Type' (in either an
+ ERROR or in the INIT ACK).
+
+ 10 - Skip this parameter and continue processing.
+
+ 11 - Skip this parameter and continue processing but report the
+ unrecognized parameter in an 'Unrecognized Parameter Type' (in
+ either an ERROR or in the INIT ACK).
+
+ ---------
+ New text: (Section 3.2.1)
+ ---------
+
+ 00 - Stop processing this parameter; do not process
+ any further parameters within this chunk.
+
+ 01 - Stop processing this parameter, do not process
+ any further parameters within this chunk, and report the
+ unrecognized parameter in an 'Unrecognized Parameter', as
+ described in 3.2.2.
+
+ 10 - Skip this parameter and continue processing.
+
+ 11 - Skip this parameter and continue processing but report the
+ unrecognized parameter in an 'Unrecognized Parameter', as
+ described in 3.2.2.
+
+ Please note that in all four cases an INIT-ACK or COOKIE-ECHO
+ chunk is sent. In the 00 or 01 case the processing of the
+ parameters after the unknown parameter is canceled, but no
+ processing already done is rolled back.
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 94]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ New text: (Note: no old text; clarification added in Section 3.2)
+ ---------
+
+ 3.2.2. Reporting of Unrecognized Parameters
+
+ If the receiver of an INIT chunk detects unrecognized parameters
+ and has to report them according to Section 3.2.1, it MUST put
+ the 'Unrecognized Parameter' parameter(s) in the INIT-ACK chunk
+ sent in response to the INIT-chunk. Note that if the receiver
+ of the INIT chunk is NOT going to establish an association (e.g.,
+ due to lack of resources), an 'Unrecognized Parameter' would NOT
+ be included with any ABORT being sent to the sender of the INIT.
+
+ If the receiver of an INIT-ACK chunk detects unrecognized
+ parameters and has to report them according to Section 3.2.1, it
+ SHOULD bundle the ERROR chunk containing the 'Unrecognized
+ Parameters' error cause with the COOKIE-ECHO chunk sent in
+ response to the INIT-ACK chunk. If the receiver of the INIT-ACK
+ cannot bundle the COOKIE-ECHO chunk with the ERROR chunk, the
+ ERROR chunk MAY be sent separately but not before the COOKIE-ACK
+ has been received.
+
+ Note: Any time a COOKIE-ECHO is sent in a packet, it MUST be the
+ first chunk.
+
+2.42.3. Solution Description
+
+ The new text clearly states that an INIT-ACK or COOKIE-ECHO has to be
+ sent.
+
+2.43. Cookie Echo Chunk
+
+2.43.1. Description of the Problem
+
+ The description given in Section 3.3.11 of RFC 2960 [5] is unclear as
+ to how the COOKIE-ECHO is composed.
+
+2.43.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.3.11)
+ ---------
+ Cookie: variable size
+
+ This field must contain the exact cookie received in the State
+ Cookie parameter from the previous INIT ACK.
+
+
+
+
+Stewart, et al. Informational [Page 95]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ An implementation SHOULD make the cookie as small as possible
+ to insure interoperability.
+
+ ---------
+ New text: (Section 3.3.11)
+ ---------
+ Cookie: variable size
+
+ This field must contain the exact cookie received in the State
+ Cookie parameter from the previous INIT ACK.
+
+ An implementation SHOULD make the cookie as small as possible
+ to ensure interoperability.
+
+ Note: A Cookie Echo does NOT contain a State Cookie
+ Parameter; instead, the data within the State Cookie's
+ Parameter Value becomes the data within the Cookie Echo's
+ Chunk Value. This allows an implementation to change only
+ the first two bytes of the State Cookie parameter to become
+ a Cookie Echo Chunk.
+
+2.43.3. Solution Description
+
+ The new text adds a note that helps clarify that a Cookie Echo chunk
+ is nothing more than the State Cookie parameter with only two bytes
+ modified.
+
+2.44. Partial Chunks
+
+2.44.1. Description of the Problem
+
+ Section 6.10 of RFC 2960 [5] uses the notion of 'partial chunks'
+ without defining it.
+
+2.44.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 6.10)
+ ---------
+ Partial chunks MUST NOT be placed in an SCTP packet.
+
+ ---------
+ New text: (Section 6.10)
+ ---------
+ Partial chunks MUST NOT be placed in an SCTP packet. A partial
+ chunk is a chunk that is not completely contained in the SCTP
+ packet; i.e., the SCTP packet is too short to contain all the bytes
+ of the chunk as indicated by the chunk length.
+
+
+
+Stewart, et al. Informational [Page 96]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.44.3. Solution Description
+
+ The new text adds a definition of 'partial chunks'.
+
+2.45. Non-unicast Addresses
+
+2.45.1. Description of the Problem
+
+ Section 8.4 of RFC 2960 [5] forces the OOTB handling to discard all
+ non-unicast addresses. This leaves future use of anycast addresses
+ in question. With the addition of the add-ip feature, SCTP should be
+ able to easily handle anycast INIT s that can be followed, after
+ association setup, with a delete of the anycast address from the
+ association.
+
+2.45.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 8.4)
+ ---------
+ 8.4 Handle "Out of the blue" Packets
+
+ An SCTP packet is called an "out of the blue" (OOTB) packet if
+ it is correctly formed, i.e., passed the receiver's Adler-32
+ check (see Section 6.8), but the receiver is not able to
+ identify the association to which this packet belongs.
+
+ The receiver of an OOTB packet MUST do the following:
+
+ 1) If the OOTB packet is to or from a non-unicast address,
+ silently discard the packet. Otherwise,
+
+
+ ---------
+ New text: (Section 8.4)
+ ---------
+
+ 8.4. Handle "Out of the Blue" Packets
+
+ An SCTP packet is called an "out of the blue" (OOTB) packet if
+ it is correctly formed (i.e., passed the receiver's CRC32c
+ check; see Section 6.8), but the receiver is not able to identify
+ the association to which this packet belongs.
+
+ The receiver of an OOTB packet MUST do the following:
+
+ 1) If the OOTB packet is to or from a non-unicast address, a
+ receiver SHOULD silently discard the packet. Otherwise,
+
+
+
+Stewart, et al. Informational [Page 97]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.45.3. Solution Description
+
+ The loosening of the wording to a SHOULD will now allow future use of
+ anycast addresses. Note that no changes are made to Section
+ 11.2.4.1, since responding to broadcast addresses could lead to
+ flooding attacks and implementors should pay careful attention to
+ these words.
+
+2.46. Processing of ABORT Chunks
+
+2.46.1. Description of the Problem
+
+ Section 3.3.7 of RFC 2960 [5] requires an SCTP endpoint to silently
+ discard ABORT chunks received for associations that do not exist. It
+ is not clear what this means in the COOKIE-WAIT state, for example.
+ Therefore, it was not clear whether an ABORT sent in response to an
+ INIT should be processed or silently discarded.
+
+2.46.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.3.7)
+ ---------
+
+ If an endpoint receives an ABORT with a format error or for an
+ association that doesn't exist, it MUST silently discard it.
+
+ ---------
+ New text: (Section 3.3.7)
+ ---------
+
+ If an endpoint receives an ABORT with a format error or no
+ TCB is found, it MUST silently discard it.
+
+2.46.3. Solution Description
+
+ It is now clearly stated that an ABORT chunk should be processed
+ whenever a TCB is found.
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 98]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.47. Sending of ABORT Chunks
+
+2.47.1. Description of the Problem
+
+ Section 5.1 of RFC 2960 [5] requires that an ABORT chunk be sent in
+ response to an INIT chunk when there is no listening end point. To
+ make port scanning harder, someone might not want these ABORTs to be
+ received by the sender of the INIT chunks. Currently, the only way
+ to enforce this is by using a firewall that discards the packets
+ containing the INIT chunks or the packets containing the ABORT
+ chunks. It is desirable that the same can be done without a middle
+ box.
+
+2.47.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 5.1)
+ ---------
+
+ If an endpoint receives an INIT, INIT ACK, or COOKIE ECHO chunk
+ but decides not to establish the new association due to missing
+ mandatory parameters in the received INIT or INIT ACK, invalid
+ parameter values, or lack of local resources, it MUST respond with
+ an ABORT chunk.
+
+ ---------
+ New text: (Section 5.1)
+ ---------
+
+ If an endpoint receives an INIT, INIT ACK, or COOKIE ECHO chunk
+ but decides not to establish the new association due to missing
+ mandatory parameters in the received INIT or INIT ACK, invalid
+ parameter values, or lack of local resources, it SHOULD respond
+ with an ABORT chunk.
+
+2.47.3. Solution Description
+
+ The requirement of sending ABORT chunks is relaxed such that an
+ implementation can decide not to send ABORT chunks.
+
+2.48. Handling of Supported Address Types Parameter
+
+2.48.1. Description of the Problem
+
+ The sender of the INIT chunk can include a 'Supported Address Types'
+ parameter to indicate which address families are supported. It is
+ unclear how an INIT chunk should be processed where the source
+ address of the packet containing the INIT chunk or listed addresses
+
+
+
+Stewart, et al. Informational [Page 99]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ within the INIT chunk indicate that more address types are supported
+ than those listed in the 'Supported Address Types' parameter.
+
+2.48.2. Text Changes to the Document
+
+ The changes given here already include changes suggested in Section
+ 2.28 of this document.
+
+ ---------
+ Old text: (Section 5.1.2)
+ ---------
+
+ IMPLEMENTATION NOTE: In the case that the receiver of an INIT ACK
+ fails to resolve the address parameter due to an unsupported type,
+ it can abort the initiation process and then attempt a
+ re-initiation by using a 'Supported Address Types' parameter in
+ the new INIT to indicate what types of address it prefers.
+
+ ---------
+ New text: (Section 5.1.2)
+ ---------
+
+ IMPLEMENTATION NOTE: In the case that the receiver of an INIT ACK
+ fails to resolve the address parameter due to an unsupported type,
+ it can abort the initiation process and then attempt a re-
+ initiation by using a 'Supported Address Types' parameter in the
+ new INIT to indicate what types of address it prefers.
+
+ IMPLEMENTATION NOTE: If an SCTP endpoint that only supports either
+ IPv4 or IPv6 receives IPv4 and IPv6 addresses in an INIT or INIT-
+ ACK chunk from its peer, it MUST use all the addresses belonging
+ to the supported address family. The other addresses MAY be
+ ignored. The endpoint SHOULD NOT respond with any kind of error
+ indication.
+
+ IMPLEMENTATION NOTE: If an SCTP endpoint lists in the 'Supported
+ Address Types' parameter either IPv4 or IPv6, but uses the other
+ family for sending the packet containing the INIT chunk, or if it
+ also lists addresses of the other family in the INIT chunk, then
+ the address family that is not listed in the 'Supported Address
+ Types' parameter SHOULD also be considered as supported by the
+ receiver of the INIT chunk. The receiver of the INIT chunk SHOULD
+ NOT respond with any kind of error indication.
+
+2.48.3. Solution Description
+
+ It is now clearly described how these Supported Address Types
+ parameters with incorrect data should be handled.
+
+
+
+Stewart, et al. Informational [Page 100]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.49. Handling of Unexpected Parameters
+
+2.49.1. Description of the Problem
+
+ RFC 2960 [5] clearly describes how unknown parameters in the INIT and
+ INIT-ACK chunk should be processed. But it is not described how
+ unexpected parameters should be processed. A parameter is unexpected
+ if it is known and is an optional parameter in either the INIT or
+ INIT-ACK chunk but is received in the chunk for which it is not an
+ optional parameter. For example, the 'Supported Address Types'
+ parameter would be an unexpected parameter if contained in an INIT-
+ ACK chunk.
+
+2.49.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.3.2)
+ ---------
+
+ Note 4: This parameter, when present, specifies all the address
+ types the sending endpoint can support. The absence of this
+ parameter indicates that the sending endpoint can support any
+ address type.
+
+ ---------
+ New text: (Section 3.3.2)
+ ---------
+
+ Note 4: This parameter, when present, specifies all the address
+ types the sending endpoint can support. The absence of this
+ parameter indicates that the sending endpoint can support any
+ address type.
+
+ IMPLEMENTATION NOTE: If an INIT chunk is received with known
+ parameters that are not optional parameters of the INIT chunk
+ then the receiver SHOULD process the INIT chunk and send back
+ an INIT-ACK. The receiver of the INIT chunk MAY bundle an ERROR
+ chunk with the COOKIE-ACK chunk later. However, restrictive
+ implementations MAY send back an ABORT chunk in response to
+ the INIT chunk.
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 101]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ ---------
+ Old text: (Section 3.3.3)
+ ---------
+
+ IMPLEMENTATION NOTE: An implementation MUST be prepared to receive
+ a INIT ACK that is quite large (more than 1500 bytes) due to the
+ variable size of the state cookie AND the variable address list.
+ For example if a responder to the INIT has 1000 IPv4 addresses
+ it wishes to send, it would need at least 8,000 bytes to encode
+ this in the INIT ACK.
+
+ ---------
+ New text: (Section 3.3.3)
+ ---------
+
+ IMPLEMENTATION NOTE: An implementation MUST be prepared to receive
+ a INIT ACK that is quite large (more than 1500 bytes) due to the
+ variable size of the state cookie AND the variable address list.
+ For example, if a responder to the INIT has 1000 IPv4 addresses
+ it wishes to send, it would need at least 8,000 bytes to encode
+ this in the INIT ACK.
+
+ IMPLEMENTATION NOTE: If an INIT-ACK chunk is received with known
+ parameters that are not optional parameters of the INIT-ACK
+ chunk, then the receiver SHOULD process the INIT-ACK chunk and
+ send back a COOKIE-ECHO. The receiver of the INIT-ACK chunk
+ MAY bundle an ERROR chunk with the COOKIE-ECHO chunk. However,
+ restrictive implementations MAY send back an ABORT chunk in
+ response to the INIT-ACK chunk.
+
+2.49.3. Solution Description
+
+ It is now stated how unexpected parameters should be processed.
+
+2.50. Payload Protocol Identifier
+
+2.50.1. Description of the Problem
+
+ The current description of the payload protocol identifier does NOT
+ highlight the fact that the field is NOT necessarily in network byte
+ order.
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 102]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.50.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 3.3.1)
+ ---------
+ Payload Protocol Identifier: 32 bits (unsigned integer)
+
+ This value represents an application (or upper layer) specified
+ protocol identifier. This value is passed to SCTP by its upper
+ layer and sent to its peer. This identifier is not used by
+ SCTP but can be used by certain network entities as well as
+ the peer application to identify the type of information being
+ carried in this DATA chunk. This field must be sent even in
+ fragmented DATA chunks (to make sure it is available for agents
+ in the middle of the network).
+
+ The value 0 indicates no application identifier is specified by
+ the upper layer for this payload data.
+
+ ---------
+ New text: (Section 3.3.1)
+ ---------
+ Payload Protocol Identifier: 32 bits (unsigned integer)
+
+ This value represents an application (or upper layer) specified
+ protocol identifier. This value is passed to SCTP by its upper
+ layer and sent to its peer. This identifier is not used by
+ SCTP but can be used by certain network entities, as well as by
+ the peer application, to identify the type of information being
+ carried in this DATA chunk. This field must be sent even in
+ fragmented DATA chunks (to make sure it is available for agents
+ in the middle of the network). Note that this field is NOT
+ touched by an SCTP implementation, therefore its byte order is
+ NOT necessarily Big Endian. The upper layer is responsible
+ for any byte order conversions to this field.
+
+ The value 0 indicates that no application identifier is
+ specified by the upper layer for this payload data.
+
+2.50.3. Solution Description
+
+ It is now explicitly stated that the upper layer is responsible for
+ the byte order of this field.
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 103]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.51. Karn's Algorithm
+
+2.51.1. Description of the Problem
+
+ The current wording of the use of Karn's algorithm is not descriptive
+ enough to ensure that an implementation in a multi-homed association
+ does not incorrectly mismeasure the RTT.
+
+2.51.2. Text Changes to the Document
+
+ ---------
+ Old text: (Section 6.3.1)
+ ---------
+
+ C5) Karn's algorithm: RTT measurements MUST NOT be made using
+ packets that were retransmitted (and thus for which it is
+ ambiguous whether the reply was for the first instance of the
+ packet or a later instance)
+ ---------
+ New text: (Section 6.3.1)
+ ---------
+
+ C5) Karn's algorithm: RTT measurements MUST NOT be made using
+ chunks that were retransmitted (and thus for which it is
+ ambiguous whether the reply was for the first instance of
+ the chunk or for a later instance)
+
+ IMPLEMENTATION NOTE: RTT measurements should only be
+ made using a chunk with TSN r if no chunk
+ with TSN less than or equal to r is retransmitted
+ since r is first sent.
+
+2.51.3. Solution Description
+
+ The above clarification adds an implementation note that will provide
+ additional guidance in the application of Karn's algorithm.
+
+2.52. Fast Retransmit Algorithm
+
+2.52.1. Description of the Problem
+
+ The original SCTP specification is overly conservative in requiring 4
+ missing reports before fast retransmitting a segment. TCP uses 3
+ missing reports or 4 acknowledgements indicating that the same
+ segment was received.
+
+
+
+
+
+
+Stewart, et al. Informational [Page 104]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+2.52.2. Text Changes to the Document
+
+ ---------
+ Old text:
+ ---------
+
+ 7.2.4 Fast Retransmit on Gap Reports
+
+ In the absence of data loss, an endpoint performs delayed
+ acknowledgement. However, whenever an endpoint notices a hole in
+ the arriving TSN sequence, it SHOULD start sending a SACK back
+ every time a packet arrives carrying data until the
+ hole is filled.
+
+ Whenever an endpoint receives a SACK that indicates some TSN(s)
+ missing, it SHOULD wait for 3 further miss indications (via
+ subsequent SACK's) on the same TSN(s) before taking action with
+ regard to Fast Retransmit.
+
+
+ ---------
+ New text:
+ ---------
+
+ 7.2.4. Fast Retransmit on Gap Reports
+
+ In the absence of data loss, an endpoint performs delayed
+ acknowledgement. However, whenever an endpoint notices a hole in
+ the arriving TSN sequence, it SHOULD start sending a SACK back
+ every time a packet arrives carrying data until the
+ hole is filled.
+
+ Whenever an endpoint receives a SACK that indicates that some
+ TSNs are missing, it SHOULD wait for 2 further miss indications
+ (via subsequent SACKs for a total of 3 missing reports) on the
+ same TSNs before taking action with regard to Fast Retransmit.
+
+2.52.3. Solution Description
+
+ The above changes will make SCTP and TCP behave similarly in terms of
+ how fast they engage the Fast Retransmission algorithm upon receiving
+ missing reports.
+
+3. Security Considerations
+
+ This document should add no additional security risks to SCTP and in
+ fact SHOULD correct some original security flaws within the original
+ document once it is incorporated into a RFC 2960 [5] BIS document.
+
+
+
+Stewart, et al. Informational [Page 105]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+4. Acknowledgements
+
+ The authors would like to thank the following people who have
+ provided comments and input for this document:
+
+ Barry Zuckerman, La Monte Yarroll, Qiaobing Xie, Wang Xiaopeng,
+ Jonathan Wood, Jeff Waskow, Mike Turner, John Townsend, Sabina
+ Torrente, Cliff Thomas, Yuji Suzuki, Manoj Solanki, Sverre Slotte,
+ Keyur Shah, Jan Rovins, Ben Robinson, Renee Revis, Ian Periam, RC
+ Monee, Sanjay Rao, Sujith Radhakrishnan, Heinz Prantner, Biren Patel,
+ Nathalie Mouellic, Mitch Miers, Bernward Meyknecht, Stan McClellan,
+ Oliver Mayor, Tomas Orti Martin, Sandeep Mahajan, David Lehmann,
+ Jonathan Lee, Philippe Langlois, Karl Knutson, Joe Keller, Gareth
+ Keily, Andreas Jungmaier, Janardhan Iyengar, Mutsuya Irie, John
+ Hebert, Kausar Hassan, Fred Hasle, Dan Harrison, Jon Grim, Laurent
+ Glaude, Steven Furniss, Atsushi Fukumoto, Ken Fujita, Steve Dimig,
+ Thomas Curran, Serkan Cil, Melissa Campbell, Peter Butler, Rob
+ Brennan, Harsh Bhondwe, Brian Bidulock, Caitlin Bestler, Jon Berger,
+ Robby Benedyk, Stephen Baucke, Sandeep Balani, and Ronnie Sellar.
+
+ A special thanks to Mark Allman, who should actually be a co-author
+ for his work on the max-burst, but managed to wiggle out due to a
+ technicality. Also, we would like to acknowledge Lyndon Ong and Phil
+ Conrad for their valuable input and many contributions.
+
+5. IANA Considerations
+
+ This document recommends changes for the RFC 2960 [5] BIS document.
+ As such, even though it lists new error cause code, this document in
+ itself does NOT define those new codes. Instead, the BIS document
+ will make the needed changes to RFC 2960 [5] and thus its IANA
+ section will require changes to be made.
+
+6. Normative References
+
+ [1] Braden, R., "Requirements for Internet Hosts - Communication
+ Layers", STD 3, RFC 1122, October 1989.
+
+ [2] Bradner, S., "Key words for use in RFCs to Indicate Requirement
+ Levels", BCP 14, RFC 2119, March 1997.
+
+ [3] Caro, A., Shah, K., Iyengar, J., Amer, P., and R. Stewart, "SCTP
+ and TCP Variants: Congestion Control Under Multiple Losses",
+ Technical Report TR2003-04, Computer and Information Sciences
+ Department, University of Delaware, February 2003,
+ <http://www.armandocaro.net/papers>.
+
+
+
+
+
+Stewart, et al. Informational [Page 106]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+ [4] Caro, A., Amer, P., and R. Stewart, "Retransmission Schemes for
+ End-to-end Failover with Transport Layer Multihoming", GLOBECOM,
+ November 2004., <http://www.armandocaro.net/papers>.
+
+ [5] Stewart, R., Xie, Q., Morneault, K., Sharp, C., Schwarzbauer,
+ H., Taylor, T., Rytina, I., Kalla, M., Zhang, L., and V.
+ Paxson, "Stream Control Transmission Protocol", RFC 2960,
+ October 2000.
+
+ [6] Stone, J., Stewart, R., and D. Otis, "Stream Control
+ Transmission Protocol (SCTP) Checksum Change", RFC 3309,
+ September 2002.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 107]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+Authors' Addresses
+
+ Randall R. Stewart
+ Cisco Systems, Inc.
+ 4875 Forest Drive
+ Suite 200
+ Columbia, SC 29206
+ USA
+
+ EMail: rrs@cisco.com
+
+
+ Ivan Arias-Rodriguez
+ Nokia Research Center
+ PO Box 407
+ FIN-00045 Nokia Group
+ Finland
+
+ EMail: ivan.arias-rodriguez@nokia.com
+
+
+ Kacheong Poon
+ Sun Microsystems, Inc.
+ 3571 N. First St.
+ San Jose, CA 95134
+ USA
+
+ EMail: kacheong.poon@sun.com
+
+
+ Armando L. Caro Jr.
+ BBN Technologies
+ 10 Moulton St.
+ Cambridge, MA 02138
+
+ EMail: acaro@bbn.com
+ URI: http://www.armandocaro.net
+
+
+ Michael Tuexen
+ Muenster Univ. of Applied Sciences
+ Stegerwaldstr. 39
+ 48565 Steinfurt
+ Germany
+
+ EMail: tuexen@fh-muenster.de
+
+
+
+
+
+Stewart, et al. Informational [Page 108]
+\f
+RFC 4460 SCTP Errata April 2006
+
+
+Full Copyright Statement
+
+ Copyright (C) The Internet Society (2006).
+
+ This document is subject to the rights, licenses and restrictions
+ contained in BCP 78, and except as set forth therein, the authors
+ retain all their rights.
+
+ This document and the information contained herein are provided on an
+ "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
+ OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE INTERNET
+ ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED,
+ INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE
+ INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
+ WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Intellectual Property
+
+ The IETF takes no position regarding the validity or scope of any
+ Intellectual Property Rights or other rights that might be claimed to
+ pertain to the implementation or use of the technology described in
+ this document or the extent to which any license under such rights
+ might or might not be available; nor does it represent that it has
+ made any independent effort to identify any such rights. Information
+ on the procedures with respect to rights in RFC documents can be
+ found in BCP 78 and BCP 79.
+
+ Copies of IPR disclosures made to the IETF Secretariat and any
+ assurances of licenses to be made available, or the result of an
+ attempt made to obtain a general license or permission for the use of
+ such proprietary rights by implementers or users of this
+ specification can be obtained from the IETF on-line IPR repository at
+ http://www.ietf.org/ipr.
+
+ The IETF invites any interested party to bring to its attention any
+ copyrights, patents or patent applications, or other proprietary
+ rights that may cover technology that may be required to implement
+ this standard. Please address the information to the IETF at
+ ietf-ipr@ietf.org.
+
+Acknowledgement
+
+ Funding for the RFC Editor function is provided by the IETF
+ Administrative Support Activity (IASA).
+
+
+
+
+
+
+
+Stewart, et al. Informational [Page 109]
+\f
--- /dev/null
+# -*- rpm-spec -*-
+#
+# lksctp-tools.spec.in --- RPM'ed lksctp-tools
+# Author : Francois-Xavier Kowalski
+# Created On : Sat Jan 10 14:53:53 2004
+# Last Modified By: Vlad Yasevich
+# Last Modified On: Fri Mar 27 12:38:42 EDT 2009
+#
+# (c) Copyright Hewlett-Packard Company 2004
+# (C) Copyright IBM Corp. 2004
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public
+# License v2 as published by the Free Software Foundation; only
+# version 2 of the License is valid for this software, unless
+# explicitly otherwise stated.
+#
+# This software is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public
+# License v2 along with this program; if not, write to the
+# Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
+# MA 02139, USA.
+
+%define kernel_version 2.6.28
+%define kernel_extraflags
+%define lksctp_version @VERSION@
+
+# older lksctp-tools file name did not conform to RPM file naming
+# conventions
+
+#%define pack_version %{kernel_version}_%{kernel_extraflags}_%{lksctp_version}
+#%define file_version %{kernel_version}-%{kernel_extraflags}-%{lksctp_version}
+
+%define pack_version %{lksctp_version}
+%define file_version %{lksctp_version}
+
+Summary: User-space access to Linux Kernel SCTP
+Name: @PACKAGE@
+Version: %{pack_version}
+Release: 1
+License: LGPL
+Group: System Environment/Libraries
+URL: http://lksctp.sourceforge.net
+Source0: %{name}-%{file_version}.tar.gz
+BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-buildroot
+BuildRequires: gcc
+#BuildRequires: tetex, tetex-latex, tetex-xdvi, tetex-dvips
+#BuildRequires: ghostscript, enscript
+BuildRequires: libtool, automake, autoconf
+
+%description
+This is the lksctp-tools package for Linux Kernel SCTP Reference
+Implementation.
+
+This package is intended to supplement the Linux Kernel SCTP Reference
+Implementation now available in the Linux kernel source tree in
+versions 2.5.36 and following. For more information on LKSCTP see the
+package documentation README file, section titled "LKSCTP - Linux
+Kernel SCTP."
+
+This package contains the base run-time library & command-line tools.
+
+%package devel
+Summary: Development kit for lksctp-tools
+Group: Development/Libraries
+Requires: %{name} = %{version}
+Requires: glibc-devel
+
+%description devel
+Development kit for lksctp-tools
+
+- Man pages
+- Header files
+- Static libraries
+- Symlinks to dynamic libraries
+- Tutorial source code
+
+%package doc
+Summary: Documents pertaining to SCTP
+Group: System Environment/Libraries
+Requires: %{name} = %{version}
+
+%description doc
+Documents pertaining to LKSCTP & SCTP in general
+- IETF RFC's & Internet Drafts
+
+%prep
+%setup -q -n %{name}-%{file_version}
+
+%build
+%configure --enable-shared --enable-static
+make
+
+%install
+rm -rf $RPM_BUILD_ROOT
+make install DESTDIR="$RPM_BUILD_ROOT"
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%post
+/sbin/ldconfig
+
+%postun
+/sbin/ldconfig
+
+%files
+%defattr(-,root,root,-)
+%doc AUTHORS COPYING ChangeLog COPYING.lib
+%{_bindir}/*
+%{_libdir}/libsctp.so.*
+%{_libdir}/@PACKAGE@/*
+
+%files devel
+%defattr(-,root,root,-)
+%{_includedir}
+%{_libdir}/libsctp.so
+%{_libdir}/libsctp.a
+%{_libdir}/libsctp.la
+%{_datadir}/@PACKAGE@/*
+%{_mandir}/*
+
+%files doc
+%defattr(-,root,root,-)
+%doc doc/*.txt
+
+%changelog
+* Fri Mar 27 2009 Vlad Yasevich <vladislav.yasevich@hp.com> 1.0.10-1
+- 1.0.10 Release
+
+* Sun Jun 13 2008 Vlad Yasevich <vladislav.yasevich@hp.com> 1.0.9-1
+- 1.0.9 Release
+
+* Fri Feb 01 2008 Vlad Yasevich <vladislav.yasevich@hp.com> 1.0.8-1
+- 1.0.8 Release
+
+* Fri Jun 29 2007 Vlad Yasevich <vladislav.yasevich@hp.com> 1.0.7-1
+- 1.0.7 Release
+
+* Fri Feb 3 2006 Sridhar Samudrala <sri@us.ibm.com> 1.0.6-1
+- 1.0.6 Release
+
+* Tue Jan 3 2006 Sridhar Samudrala <sri@us.ibm.com> 1.0.5-1
+- 1.0.5 Release
+
+* Fri Oct 28 2005 Sridhar Samudrala <sri@us.ibm.com> 1.0.4-1
+- 1.0.4 Release
+
+* Thu Sep 1 2005 Sridhar Samudrala <sri@us.ibm.com> 1.0.3-1
+- 1.0.3 Release
+
+* Thu Dec 30 2004 Sridhar Samudrala <sri@us.ibm.com> 1.0.2-1
+- 1.0.2 Release
+
+* Tue May 11 2004 Sridhar Samudrala <sri@us.ibm.com> 1.0.1-1
+- 1.0.1 Release
+
+* Thu Feb 26 2004 Sridhar Samudrala <sri@us.ibm.com> 1.0.0-1
+- 1.0.0 Release
+
+* Fri Feb 6 2004 Francois-Xavier Kowalski <francois-xavier.kowalski@hp.com> 0.9.0-1
+- package only .txt doc files
+
+* Wed Feb 4 2004 Francois-Xavier Kowalski <francois-xavier.kowalski@hp.com> 0.7.5-1
+- badly placed & undelivered files
+- simplified delivery list
+
+* Tue Jan 27 2004 Francois-Xavier Kowalski <francois-xavier.kowalski@hp.com> 0.7.5-1
+- Integrate comment from project team
+
+* Sat Jan 10 2004 Francois-Xavier Kowalski <francois-xavier.kowalski@hp.com> 2.6.0_test7_0.7.4-1
+- Creation
--- /dev/null
+# -*- Makefile -*-
+#
+include $(top_srcdir)/Makefile.vars
+include $(top_srcdir)/Makefile.rules
+
+man7_MANS = sctp.7
+
+man3_MANS = sctp_bindx.3 sctp_getladdrs.3 sctp_getpaddrs.3 sctp_opt_info.3 \
+ sctp_peeloff.3 sctp_recvmsg.3 sctp_sendmsg.3 sctp_connectx.3 \
+ sctp_send.3
+
+EXTRA_DIST += $(man3_MANS) $(man7_MANS)
--- /dev/null
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--- /dev/null
+.\" (C) Copyright Sridhar Samudrala IBM Corp. 2004, 2005.
+.\"
+.\" Permission is granted to distribute possibly modified copies
+.\" of this manual provided the header is included verbatim,
+.\" and in case of nontrivial modification author and date
+.\" of the modification is added to the header.
+.\"
+.TH SCTP 7 2005-10-25 "Linux Man Page" "Linux Programmer's Manual"
+.SH NAME
+sctp \- SCTP protocol.
+.SH SYNOPSIS
+.nf
+.B #include <sys/socket.h>
+.B #include <netinet/in.h>
+.B #include <netinet/sctp.h>
+.sp
+.B sctp_socket = socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
+.B sctp_socket = socket(PF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+.fi
+.SH DESCRIPTION
+This is an implementation of the SCTP protocol as defined in RFC2960 and
+RFC3309. It is a message oriented, reliable transport protocol with direct
+support for multihoming that runs on top of
+.BR ip (7),
+and supports both v4 and v6 versions.
+.PP
+Like TCP, SCTP provides reliable, connection oriented data delivery with
+congestion control. Unlike TCP, SCTP also provides message boundary
+preservation, ordered and unordered message delivery, multi-streaming and
+multi-homing. Detection of data corruption, loss of data and duplication of
+data is achieved by using checksums and sequence numbers. A selective
+retransmission mechanism is applied to correct loss or corruption of data.
+.PP
+This implementation supports a mapping of SCTP into sockets API as defined
+in the draft-ietf-tsvwg-sctpsocket-10.txt(Sockets API extensions for SCTP).
+Two styles of interfaces are supported.
+.PP
+A
+.B one-to-many
+style interface with 1 to MANY relationship between socket and associations
+where the outbound association setup is implicit. The syntax of a one-to-many
+style socket() call is
+.PP
+.B sd = socket(PF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+.PP
+A typical server in this style uses the following socket calls in sequence
+to prepare an endpoint for servicing requests.
+.PP
+ 1. socket()
+ 2. bind()
+ 3. listen()
+ 4. recvmsg()
+ 5. sendmsg()
+ 6. close()
+.PP
+A typical client uses the following calls in sequence to setup an association
+with a server to request services.
+.PP
+ 1. socket()
+ 2. sendmsg()
+ 3. recvmsg()
+ 4. close()
+.PP
+A
+.B one-to-one style
+interface with a 1 to 1 relationship between socket and
+association which enables existing TCP applications to be ported to SCTP with
+very little effort. The syntax of a one-to-one style socket() call is
+.PP
+.B sd = socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
+.PP
+A typical server in one-to-one style uses the following
+system call sequence to prepare an SCTP endpoint for servicing requests:
+.PP
+ 1. socket()
+ 2. bind()
+ 3. listen()
+ 4. accept()
+.PP
+The accept() call blocks until a new association is set up. It returns with a
+new socket descriptor. The server then uses the new socket descriptor to
+communicate with the client, using recv() and send() calls to get requests and
+send back responses. Then it calls
+.PP
+ 5. close()
+.PP
+to terminate the association. A typical client uses the following system call
+sequence to setup an association with a server to request services:
+.PP
+ 1. socket()
+ 2. connect()
+.PP
+After returning from connect(), the client uses send() and recv() calls to
+send out requests and receive responses from the server. The client calls
+.PP
+ 3. close()
+.PP
+to terminate this association when done.
+.SH "ADDRESS FORMATS"
+SCTP is built on top of IP (see
+.BR ip (7)).
+The address formats defined by
+.BR ip (7)
+apply to SCTP. SCTP only supports point-to-point communication; broadcasting
+and multicasting are not supported.
+.SH SYSCTLS
+These variables can be accessed by the
+.B /proc/sys/net/sctp/*
+files or with the
+.BR sysctl (2)
+interface. In addition, most IP sysctls also apply to SCTP. See
+.BR ip (7).
+.TP
+.B addip_enable
+Enable SCTP ADDIP(Dynamic Address Reconfiguration) Support. This is off
+by default.
+.TP
+.B association_max_retrans
+Maximum number of consecutive retransmissions to a peer before an endpoint
+considers that the peer is unreachable and closes the association. The default
+value is 10.
+.TP
+.B cookie_preserve_enable
+Handle COOKIE PRESERVATIVE parameter in the INIT chunk. This is on by default.
+.TP
+.B hb_interval
+This is the interval when a HEARTBEAT chunk is sent to a destination transport
+address to monitor the reachability of an idle destination transport address.
+The default is 30 seconds and is maintained in msecs.
+.TP
+.B max_burst
+Maximum number of new data packets that can be sent in a burst. The default
+value is 4.
+.TP
+.B max_init_retransmits
+Maximum number of times an INIT chunk or a COOKIE ECHO chunk is retransmitted
+before an endpoint aborts the initialization process and closes the association.
+The default value is 8.
+.TP
+.B path_max_retrans
+Maximum number of consecutive retransmissions over a destination transport
+address of a peer endpoint before it is marked as inactive. The default value
+is 5.
+.TP
+.B prsctp_enable
+Enable PR-SCTP. This is on by default.
+.TP
+.B rcvbuf_policy
+This controls the socket receive buffer accounting policy. The default value
+is 0 and indicates that all the associations belonging to a socket share the
+same receive buffer space. When set to 1, each association will have its own
+receive buffer space.
+.TP
+.B rto_alpha_exp_divisor
+This is the RTO.Alpha value when expressed in right shifts and is used in
+RTO calculations. The default value is 3.
+.TP
+.B rto_beta_exp_divisor
+This is the RTO.Beta value when expressed in right shifts and is used in
+RTO calculations. The default value is 2.
+.TP
+.B rto_initial
+This is the initial value of RTO(retransmission timeout) that is used in RTO
+calculations. The default value is 3 seconds and is maintained in msecs.
+.TP
+.B rto_max
+This is the maximum value of RTO(retransmission timeout) that is used in RTO
+calculations. The default value is 60 seconds and is maintained in msecs.
+.TP
+.B rto_min
+This is the minimum value of RTO(retransmission timeout) that is used in RTO
+calculations. The default value is 1 second and is maintained in msecs.
+.TP
+.B sack_timeout
+Delayed SACK timeout. The default value is 200msecs.
+.TP
+.B sndbuf_policy
+This controls the socket sendbuffer accounting policy. The default value is
+0 and indicates that all the associations belonging to a socket share the
+same send buffer space. When set to 1, each association will have its own
+send buffer space.
+.TP
+.B valid_cookie_life
+This is the maximum lifespan of the Cookie sent in an INIT ACK chunk. The
+default value is 60 secs and is maintained in msecs.
+.SH "STATISTICS"
+These variables can be accessed by the
+.B /proc/net/sctp/*
+files.
+.TP
+.B assocs
+Displays the following information about the active associations.
+assoc ptr, sock ptr, socket style, sock state, association state, hash bucket,
+association id, bytes in transmit queue, bytes in receive queue, user id,
+inode, local port, remote port, local addresses and remote addresses.
+.TP
+.B eps
+Displays the following information about the active endpoints.
+endpoint ptr, sock ptr, socket style, sock state, hash bucket, local port,
+user id, inode and local addresses.
+.TP
+.B snmp
+Displays the following statistics related to SCTP states, packets and chunks.
+.TP
+.TP
+.B SctpCurrEstab
+The number of associations for which the current state is either ESTABLISHED,
+SHUTDOWN-RECEIVED or SHUTDOWN-PENDING.
+.TP
+.B SctpActiveEstabs
+The number of times that associations have made a direct transition to the
+ESTABLISHED state from the COOKIE-ECHOED state. The upper layer initiated the
+association attempt.
+.TP
+.B SctpPassiveEstabs
+The number of times that associations have made a direct transition to the
+ESTABLISHED state from the CLOSED state. The remote endpoint initiated the
+association attempt.
+.TP
+.B SctpAborteds
+The number of times that associations have made a direct transition to the
+CLOSED state from any state using the primitive 'ABORT'. Ungraceful
+termination of the association.
+.TP
+.B SctpShutdowns
+The number of times that associations have made a direct transition to the
+CLOSED state from either the SHUTDOWN-SENT state or the SHUTDOWN-ACK-SENT
+state. Graceful termination of the association.
+.TP
+.B SctpOutOfBlues
+The number of out of the blue packets received by the host. An out of the blue
+packet is an SCTP packet correctly formed, including the proper checksum, but
+for which the receiver was unable to identify an appropriate association.
+.TP
+.B SctpChecksumErrors
+The number of SCTP packets received with an invalid checksum.
+.TP
+.B SctpOutCtrlChunks
+The number of SCTP control chunks sent (retransmissions are not included).
+Control chunks are those chunks different from DATA.
+.TP
+.B SctpOutOrderChunks
+The number of SCTP ordered data chunks sent (retransmissions are not included).
+.TP
+.B SctpOutUnorderChunks
+The number of SCTP unordered chunks(data chunks in which the U bit is set
+to 1) sent (retransmissions are not included).
+.TP
+.B SctpInCtrlChunks
+The number of SCTP control chunks received (no duplicate chunks included).
+.TP
+.B SctpInOrderChunks
+The number of SCTP ordered data chunks received (no duplicate chunks included).
+.TP
+.B SctpInUnorderChunks
+The number of SCTP unordered chunks(data chunks in which the U bit is set
+to 1) received (no duplicate chunks included).
+.TP
+.B SctpFragUsrMsgs
+The number of user messages that have to be fragmented because of the MTU.
+.TP
+.B SctpReasmUsrMsgs
+The number of user messages reassembled, after conversion into DATA chunks.
+.TP
+.B SctpOutSCTPPacks
+The number of SCTP packets sent. Retransmitted DATA chunks are included.
+.TP
+.B SctpInSCTPPacks
+The number of SCTP packets received. Duplicates are included.
+.SH "SOCKET OPTIONS"
+To set or get a SCTP socket option, call
+.BR getsockopt (2)
+to read or
+.BR setsockopt (2)
+to write the option with the option level argument set to
+.BR SOL_SCTP.
+.TP
+.BR SCTP_RTOINFO.
+This option is used to get or set the protocol parameters used to
+initialize and bound retransmission timout(RTO). The structure sctp_rtoinfo
+defined in /usr/include/netinet/sctp.h is used to access and modify these
+parameters.
+.TP
+.B SCTP_ASSOCINFO
+This option is used to both examine and set various association and endpoint
+parameters. The sturcture sctp_assocparams defined in
+/usr/include/netinet/sctp.h is used to access and modify these parameters.
+.TP
+.B SCTP_INITMSG
+This option is used to get or set the protocol parameters for the default
+association initialization. The structure sctp_initmsg defined in
+/usr/include/netinet/sctp.h is used to access and modify these parameters.
+
+Setting initialization parameters is effective only on an unconnected
+socket (for one-to-many style sockets only future associations are
+effected by the change). With one-to-one style sockets, this option
+is inherited by sockets derived from a listener socket.
+.TP
+.B SCTP_NODELAY
+Turn on/off any Nagle-like algorithm. This means that packets are generally
+sent as soon as possible and no unnecessary delays are introduced, at the cost
+of more packets in the network. Expects an integer boolean flag.
+.TP
+.B SCTP_AUTOCLOSE
+This socket option is applicable to the one-to-many style socket
+only. When set it will cause associations that are idle for more than
+the specified number of seconds to automatically close. An
+association being idle is defined an association that has NOT sent or
+received user data. The special value of 0 indicates that no
+automatic close of any associations should be performed. The option
+expects an integer defining the number of seconds of idle time before
+an association is closed.
+.TP
+.B SCTP_SET_PEER_PRIMARY_ADDR
+Requests that the peer mark the enclosed address as the association
+primary. The enclosed address must be one of the association's
+locally bound addresses. The structure sctp_setpeerprim defined in
+/usr/include/netinet/sctp.h is used to make a set peer primary request.
+.TP
+.B SCTP_PRIMARY_ADDR
+Requests that the local SCTP stack use the enclosed peer address as
+the association primary. The enclosed address must be one of the
+association peer's addresses. The structure sctp_prim defined in
+/usr/include/netinet/sctp.h is used to make a get/set primary request.
+.TP
+.B SCTP_DISABLE_FRAGMENTS
+This option is a on/off flag and is passed an integer where a non-zero is on
+and a zero is off. If enabled no SCTP message fragmentation will be performed.
+Instead if a message being sent exceeds the current PMTU size, the message will
+NOT be sent and an error will be indicated to the user.
+.TP
+.B SCTP_PEER_ADDR_PARAMS
+Using this option, applications can enable or disable heartbeats for any peer
+address of an association, modify an address's heartbeat interval, force a
+heartbeat to be sent immediately, and adjust the address's maximum number of
+retransmissions sent before an address is considered unreachable. The structure
+sctp_paddrparams defined in /usr/include/netinet/sctp.h is used to
+access and modify an address's parameters.
+.TP
+.B SCTP_DEFAULT_SEND_PARAM
+Applications that wish to use the sendto() system call may wish to specify
+a default set of parameters that would normally be supplied through the
+inclusion of ancillary data. This socket option allows such an application to
+set the default sctp_sndrcvinfo structure. The application that wishes to use
+this socket option simply passes in to this call the sctp_sndrcvinfo structure
+defined in /usr/include/netinet/sctp.h. The input parameters accepted by this
+call include sinfo_stream, sinfo_flags, sinfo_ppid, sinfo_context,
+sinfo_timetolive. The user must set the sinfo_assoc_id field to identify the
+ association to affect if the caller is using the one-to-many style.
+.TP
+.B SCTP_EVENTS
+This socket option is used to specify various notifications and ancillary data
+the user wishes to receive. The structure sctp_event_subscribe defined in
+/usr/include/netinet/sctp.h is used to access or modify the events of interest
+to the user.
+.TP
+.B SCTP_I_WANT_MAPPED_V4_ADDR
+This socket option is a boolean flag which turns on or off mapped V4
+addresses. If this option is turned on and the socket is type PF_INET6,
+then IPv4 addresses will be mapped to V6 representation. If this option is
+turned off, then no mapping will be done of V4 addresses and a user will
+receive both PF_INET6 and PF_INET type addresses on the socket.
+
+By default this option is turned on and expects an integer to be passed where
+non-zero turns on the option and zero turns off the option.
+.TP
+.B SCTP_MAXSEG
+This socket option specifies the maximum size to put in any outgoing
+SCTP DATA chunk. If a message is larger than this size it will be
+fragmented by SCTP into the specified size. Note that the underlying
+SCTP implementation may fragment into smaller sized chunks when the
+PMTU of the underlying association is smaller than the value set by
+the user. The option expects an integer.
+
+The default value for this option is 0 which indicates the user is
+NOT limiting fragmentation and only the PMTU will effect SCTP's
+choice of DATA chunk size.
+.TP
+.B SCTP_STATUS
+Applications can retrieve current status information about an association,
+including association state, peer receiver window size, number of unacked
+data chunks, and number of data chunks pending receipt. This information is
+read-only. The structure sctp_status defined in /usr/include/netinet/sctp.h
+is used to access this information.
+.TP
+.B SCTP_GET_PEER_ADDR_INFO
+Applications can retrieve information about a specific peer address
+of an association, including its reachability state, congestion window,
+and retransmission timer values. This information is read-only. The structure
+sctp_paddr_info defined in /usr/include/netinet/sctp.h is used to access this
+information.
+.SH AUTHORS
+Sridhar Samudrala <sri@us.ibm.com>
+.SH "SEE ALSO"
+.BR socket (7),
+.BR socket (2),
+.BR ip (7),
+.BR bind (2),
+.BR listen (2),
+.BR accept (2),
+.BR connect (2),
+.BR sendmsg (2),
+.BR recvmsg (2),
+.BR sysctl (2),
+.BR getsockopt (2),
+.BR sctp_bindx (3),
+.BR sctp_connectx (3),
+.BR sctp_sendmsg (3),
+.BR sctp_send (3),
+.BR sctp_recvmsg (3),
+.BR sctp_peeloff (3),
+.BR sctp_getladdrs (3),
+.BR sctp_getpaddrs (3),
+.BR sctp_opt_info (3).
+.sp
+RFC2960, RFC3309 for the SCTP specification.
--- /dev/null
+.\" (C) Copyright Sridhar Samudrala IBM Corp. 2004, 2005.
+.\"
+.\" Permission is granted to distribute possibly modified copies
+.\" of this manual provided the header is included verbatim,
+.\" and in case of nontrivial modification author and date
+.\" of the modification is added to the header.
+.\"
+.TH SCTP_BINDX 3 2005-10-25 "Linux 2.6" "Linux Programmer's Manual"
+.SH NAME
+sctp_bindx \- Add or remove bind addresses on a socket.
+.SH SYNOPSIS
+.nf
+.B #include <sys/types.h>
+.B #include <sys/socket.h>
+.B #include <netinet/sctp.h>
+.sp
+.BI "int sctp_bindx(int " sd ", struct sockaddr * " addrs ", int " addrcnt ,
+.BI " int " flags );
+.fi
+.SH DESCRIPTION
+.BR sctp_bindx
+adds or removes a set of bind addresses passed in the array
+.I addrs
+to/from the socket
+.I sd.
+.I addrcnt
+is the number of addresses in the array and the
+.I flags
+paramater indicates if the addresses need to be added or removed.
+.PP
+If
+.I sd
+is an IPv4 socket, the addresses passed must be IPv4 addresses. If
+.I sd
+is an IPv6 socket, the addresses passed can be either IPv4 or IPv6
+addresses.
+.PP
+.I addrs
+is a pointer to an array of one or more socket addresses. Each address is
+contained in its appropriate structure(i.e. struct sockaddr_in or struct
+sockaddr_in6). The family of the address type must be used to distinguish
+the address length. The caller specifies the number of addresses in the
+array with
+.I addrcnt.
+.PP
+The
+.I flags
+parameter can be either
+.B SCTP_BINDX_ADD_ADDR
+or
+.B SCTP_BINDX_REM_ADDR.
+An application can use
+.B SCTP_BINDX_ADD_ADDR
+to associate additional addresses with an endpoint after calling
+.BR bind(2).
+.B SCTP_BINDX_REM_ADDR
+directs SCTP to remove the given addresses from the association.
+A caller may not remove all addresses from an association. It will
+fail with
+.B EINVAL.
+.SH "RETURN VALUE"
+On success, 0 is returned. On failure, \-1 is returned, and
+.I errno
+is set appropriately.
+.SH ERRORS
+.TP
+.B EBADF
+.I sd
+is not a valid descriptor.
+.TP
+.B ENOTSOCK
+.I sd
+is a descriptor for a file, not a socket.
+.TP
+.B EFAULT
+Error while copying in or out from the user address space.
+.TP
+.B EINVAL
+Invalid port or address or trying to remove all addresses from an association.
+.TP
+.B EACCES
+The address is protected, and the user is not the super-user.
+.SH "SEE ALSO"
+.BR sctp (7)
+.BR sctp_sendmsg (3),
+.BR sctp_send (3),
+.BR sctp_recvmsg (3),
+.BR sctp_peeloff (3),
+.BR sctp_getpaddrs (3),
+.BR sctp_getladdrs (3),
+.BR sctp_opt_info (3),
+.BR sctp_connectx (3)
--- /dev/null
+.\" (C) Copyright Frank Filz IBM Corp. 2005.
+.\"
+.\" Permission is granted to distribute possibly modified copies
+.\" of this manual provided the header is included verbatim,
+.\" and in case of nontrivial modification author and date
+.\" of the modification is added to the header.
+.\"
+.TH SCTP_CONNECTX 3 2005-10-25 "Linux 2.6" "Linux Programmer's Manual"
+.SH NAME
+sctp_connectx \- initiate a connection on an SCTP socket using multiple
+destination addresses.
+.SH SYNOPSIS
+.nf
+.B #include <sys/types.h>
+.B #include <sys/socket.h>
+.B #include <netinet/sctp.h>
+.sp
+.BI "int sctp_connectx(int " sd ", struct sockaddr * " addrs ", int " addrcnt,
+.BI " sctp_assoc_t * "id );
+.fi
+.SH DESCRIPTION
+.BR sctp_connectx
+initiates a connection to a set of addresses passed in the array
+.I addrs
+to/from the socket
+.I sd.
+.I addrcnt
+is the number of addresses in the array.
+.PP
+If
+.I sd
+is an IPv4 socket, the addresses passed must be IPv4 addresses. If
+.I sd
+is an IPv6 socket, the addresses passed can be either IPv4 or IPv6
+addresses.
+.PP
+.I addrs
+is a pointer to an array of one or more socket addresses. Each address is
+contained in its appropriate structure(i.e. struct sockaddr_in or struct
+sockaddr_in6). The family of the address type must be used to distinguish
+the address length. The caller specifies the number of addresses in the
+array with
+.I addrcnt.
+.PP
+.I id
+is a pointer to the association id and, if provided, will be set to the
+identifier of the newly created association.
+.SH "RETURN VALUE"
+On success, 0 is returned. On failure, \-1 is returned, and
+.I errno
+is set appropriately.
+.SH ERRORS
+.TP
+.B EBADF
+.I sd
+is not a valid descriptor.
+.TP
+.B ENOTSOCK
+.I sd
+is a descriptor for a file, not a socket.
+.TP
+.B EFAULT
+Error while copying in or out from the user address space.
+.TP
+.B EINVAL
+Invalid port or address.
+.TP
+.B EACCES
+The address is protected, and the user is not the super-user.
+.TP
+.B EISCONN
+The socket is already connected.
+.TP
+.B ECONNREFUSED
+No one listening on the remote address.
+.TP
+.B ETIMEDOUT
+Timeout while attempting connection. The server may be too
+busy to accept new connections. Note that for IP sockets the timeout may
+be very long when syncookies are enabled on the server.
+.TP
+.B ENETUNREACH
+Network is unreachable.
+.TP
+.B EADDRINUSE
+Local address is already in use.
+.TP
+.B EINPROGRESS
+The socket is non-blocking and the connection cannot be completed
+immediately. It is possible to
+.BR select (2)
+or
+.BR poll (2)
+for completion by selecting the socket for writing. After
+.B select
+indicates writability, use
+.BR getsockopt (2)
+to read the
+.B SO_ERROR
+option at level
+.B SOL_SOCKET
+to determine whether
+.B connect
+completed successfully
+.RB ( SO_ERROR
+is zero) or unsuccessfully
+.RB ( SO_ERROR
+is one of the usual error codes listed here,
+explaining the reason for the failure).
+.TP
+.B EALREADY
+The socket is non-blocking and a previous connection attempt has not yet
+been completed.
+.TP
+.B EAGAIN
+No more free local ports or insufficient entries in the routing cache. For
+.B PF_INET
+see the
+.B net.ipv4.ip_local_port_range
+sysctl in
+.BR ip (7)
+on how to increase the number of local ports.
+.TP
+.B EAFNOSUPPORT
+The passed address didn't have the correct address family in its
+.I sa_family
+field.
+.TP
+.B EACCES, EPERM
+The user tried to connect to a broadcast address without having the socket
+broadcast flag enabled or the connection request failed because of a local
+firewall rule.
+.SH "SEE ALSO"
+.BR sctp (7)
+.BR sctp_bindx (3),
+.BR sctp_sendmsg (3),
+.BR sctp_send (3),
+.BR sctp_recvmsg (3),
+.BR sctp_peeloff (3),
+.BR sctp_getpaddrs (3),
+.BR sctp_getladdrs (3),
+.BR sctp_opt_info (3),
--- /dev/null
+.\" (C) Copyright Sridhar Samudrala IBM Corp. 2004, 2005.
+.\"
+.\" Permission is granted to distribute possibly modified copies
+.\" of this manual provided the header is included verbatim,
+.\" and in case of nontrivial modification author and date
+.\" of the modification is added to the header.
+.\"
+.TH SCTP_GETLADDRS 3 2005-10-25 "Linux 2.6" "Linux Programmer's Manual"
+.SH NAME
+sctp_getladdrs \- Returns all locally bound addresses on a socket.
+.SH SYNOPSIS
+.nf
+.B #include <sys/types.h>
+.B #include <sys/socket.h>
+.B #include <netinet/sctp.h>
+.sp
+.BI "int sctp_getladdrs(int " sd ", sctp_assoc_t " assoc_id ,
+.BI " struct sockaddr **" addrs );
+.sp
+.BI "void sctp_freeladdrs(struct sockaddr *" addrs );
+.fi
+.SH DESCRIPTION
+.BR sctp_getladdrs
+returns all locally bound addresses on a socket. On return,
+.I addrs
+will point to a dynamically allocated packed array of
+.B sockaddr
+structures of the appropriate type for each local address. The caller
+should use
+.BR sctp_freeladdrs
+to free the memory. Note that the in/out parameter
+.I addrs
+must not be NULL.
+.PP
+If
+.I sd
+is an IPv4 socket, the addresses returned will be all IPv4 addresses. If
+.I sd
+is an IPv6 socket, the addresses returned can be a mix of IPv4 or IPv6
+addresses.
+.PP
+For one-to-many style sockets,
+.I id
+specifies the association to query. For one-to-one style sockets,
+.I id
+is ignored.
+.PP
+If the
+.I id
+field is set to 0, then the locally bound addresses are returned
+without regard to any particular association.
+.PP
+.BR sctp_freeladdrs
+frees all the resources allocated by
+.BR sctp_getladdrs
+.SH "RETURN VALUE"
+On success,
+.BR sctp_getladdrs
+returns the number of local addresses bound to the socket. If the socket
+is unbound, 0 is returned and the value of
+.I *addrs
+is undefined. On error,
+.BR sctp_getladdrs
+returns -1 and the value of
+.I *addrs
+is undefined.
+.SH "SEE ALSO"
+.BR sctp (7)
+.BR sctp_bindx (3),
+.BR sctp_connectx (3),
+.BR sctp_sendmsg (3),
+.BR sctp_send (3),
+.BR sctp_recvmsg (3),
+.BR sctp_peeloff (3),
+.BR sctp_getpaddrs (3),
+.BR sctp_opt_info (3),
--- /dev/null
+.\" (C) Copyright Sridhar Samudrala IBM Corp. 2004, 2005.
+.\"
+.\" Permission is granted to distribute possibly modified copies
+.\" of this manual provided the header is included verbatim,
+.\" and in case of nontrivial modification author and date
+.\" of the modification is added to the header.
+.\"
+.TH SCTP_GETPADDRS 3 2005-10-25 "Linux 2.6" "Linux Programmer's Manual"
+.SH NAME
+sctp_getpaddrs \- Returns all peer addresses in an association.
+.SH SYNOPSIS
+.nf
+.B #include <sys/types.h>
+.B #include <sys/socket.h>
+.B #include <netinet/sctp.h>
+.sp
+.BI "int sctp_getpaddrs(int " sd ", sctp_assoc_t " assoc_id ,
+.BI " struct sockaddr **" addrs );
+.sp
+.BI "void sctp_freepaddrs(struct sockaddr *" addrs );
+.fi
+.SH DESCRIPTION
+.BR sctp_getpaddrs
+returns all peer addresses in an association. On return,
+.I addrs
+will point to a dynamically allocated packed array of
+.B sockaddr
+structures of the appropriate type for each address. The caller should use
+.BR sctp_freepaddrs
+to free the memory. Note that the in/out parameter
+.I addrs
+must not be NULL.
+.PP
+If
+.I sd
+is an IPv4 socket, the addresses returned will be all IPv4 addresses. If
+.I sd
+is an IPv6 socket, the addresses returned can be a mix of IPv4 or IPv6
+addresses.
+.PP
+For one-to-many style sockets,
+.I id
+specifies the association to query. For one-to-one style sockets,
+.I id
+is ignored.
+.PP
+.BR sctp_freepaddrs
+frees all the resources allocated by
+.BR sctp_getpaddrs.
+.SH "RETURN VALUE"
+On success,
+.BR sctp_getpaddrs
+returns the number of peer addresses in the association. If there is no
+association on this socket, 0 is returned and the value of
+.I *addrs
+is undefined. On error,
+.BR sctp_getpaddrs
+returns -1 and the value of
+.I *addrs
+is undefined.
+.SH "SEE ALSO"
+.BR sctp (7)
+.BR sctp_bindx (3),
+.BR sctp_connectx (3),
+.BR sctp_sendmsg (3),
+.BR sctp_send (3),
+.BR sctp_recvmsg (3),
+.BR sctp_peeloff (3),
+.BR sctp_getladdrs (3),
+.BR sctp_opt_info (3),
--- /dev/null
+.\" (C) Copyright Sridhar Samudrala IBM Corp. 2004, 2005.
+.\"
+.\" Permission is granted to distribute possibly modified copies
+.\" of this manual provided the header is included verbatim,
+.\" and in case of nontrivial modification author and date
+.\" of the modification is added to the header.
+.\"
+.TH SCTP_OPT_INFO 3 2004-01-30 "Linux 2.6" "Linux Programmer's Manual"
+.SH NAME
+sctp_optinfo \- Get options on a SCTP socket.
+.SH SYNOPSIS
+.nf
+.B #include <sys/types.h>
+.B #include <sys/socket.h>
+.B #include <netinet/sctp.h>
+.sp
+.BI "int sctp_opt_info(int " sd ", sctp_assoc_t " id ", int " opt ,
+.BI " void * " arg ", socklen_t * " size);
+.fi
+.SH DESCRIPTION
+.BR sctp_opt_info
+is a wrapper library function that can be used to get SCTP level options on
+a socket.
+.I sd
+is the socket descriptor for which the option is requested. For one-to-many
+style sockets,
+.I id
+specifies the association to query. For one-to-one style sockets,
+.I id
+is ignored.
+.I opt
+specifes the SCTP socket option to get.
+.I arg
+is an option-specific structure buffer provided by the caller.
+.I size
+is a value-result parameter, initially containing the size of the buffer
+pointed to by
+.I arg
+and modifed on return to indicate the actual size of the value returned.
+.SH "RETURN VALUE"
+On success,
+.BR sctp_opt_info
+returns 0 and on failure -1 is returned with errno set to the appropriate
+error code.
+.SH "SEE ALSO"
+.BR sctp (7)
+.BR sctp_bindx (3),
+.BR sctp_connectx (3),
+.BR sctp_sendmsg (3),
+.BR sctp_send (3),
+.BR sctp_recvmsg (3),
+.BR sctp_peeloff (3),
+.BR sctp_getpaddrs (3),
+.BR sctp_getladdrs (3),
--- /dev/null
+.\" (C) Copyright Sridhar Samudrala IBM Corp. 2004, 2005.
+.\"
+.\" Permission is granted to distribute possibly modified copies
+.\" of this manual provided the header is included verbatim,
+.\" and in case of nontrivial modification author and date
+.\" of the modification is added to the header.
+.\"
+.TH SCTP_PEELOFF 3 2005-10-25 "Linux 2.6" "Linux Programmer's Manual"
+.SH NAME
+sctp_peeloff \- Branch off an association into a separate socket.
+.SH SYNOPSIS
+.nf
+.B #include <sys/types.h>
+.B #include <sys/socket.h>
+.B #include <netinet/sctp.h>
+.sp
+.BI "int sctp_peeloff(int " sd ", sctp_assoc_t " assoc_id );
+.fi
+.SH DESCRIPTION
+.B sctp_peeloff
+branches off an existing association
+.I assoc_id
+on a one-to-many style socket
+.I sd
+into a separate socket. The new socket is a one-to-one style socket.
+.PP
+This is particularly desirable when, for instance, the application wishes to
+have a number of sporadic message senders/receivers remain under the original
+one-to-many style socket, but branch off those assocations carrying high volume
+data traffic into their own separate socket descriptors.
+.SH "RETURN VALUE"
+On success, the new socket descriptor representing the branched-off asociation is returned.
+On error, \-1 is returned, and
+.I errno
+is set appropriately.
+.SH ERRORS
+.TP
+.B EBADF
+.I sd
+is not a valid descriptor.
+.TP
+.B EINVAL
+The assoc id passed is invalid or if the socket is a one-to-one style socket.
+.TP
+.B ENOTSOCK
+Argument is a descriptor for a file, not a socket.
+.SH "SEE ALSO"
+.BR sctp (7)
+.BR sctp_bindx (3),
+.BR sctp_connectx (3),
+.BR sctp_sendmsg (3),
+.BR sctp_send (3),
+.BR sctp_recvmsg (3),
+.BR sctp_getpaddrs (3),
+.BR sctp_getladdrs (3),
+.BR sctp_opt_info (3),
--- /dev/null
+.\" (C) Copyright Sridhar Samudrala IBM Corp. 2004, 2005.
+.\"
+.\" Permission is granted to distribute possibly modified copies
+.\" of this manual provided the header is included verbatim,
+.\" and in case of nontrivial modification author and date
+.\" of the modification is added to the header.
+.\"
+.TH SCTP_RECVMSG 3 2005-10-25 "Linux 2.6" "Linux Programmer's Manual"
+.SH NAME
+sctp_recvmsg \- Receive a message from a SCTP socket.
+.SH SYNOPSIS
+.nf
+.B #include <sys/types.h>
+.B #include <sys/socket.h>
+.B #include <netinet/sctp.h>
+.sp
+.BI "int sctp_recvmsg(int " sd ", void * " msg ", size_t " len ,
+.BI " struct sockaddr * " from ", socklen_t * " fromlen ,
+.BI " struct sctp_sndrcvinfo * " sinfo ", int * " msg_flags);
+.fi
+.SH DESCRIPTION
+.BR sctp_recvmsg
+is a wrapper library function that can be used to receive a message from
+a socket while using the advanced features of SCTP.
+.I sd
+is the socket descriptor on which the message pointed to by
+.I msg
+of length
+.I len
+is received.
+.PP
+If
+.I from
+is not NULL, the source address of the message is filled in. The argument
+.I fromlen
+is a value-result parameter. initialized to the size of the buffer associated
+with
+.I from ,
+and modified on return to indicate the actual size of the address stored.
+.PP
+.I sinfo
+is a pointer to a sctp_sndrcvinfo structure to be filled upon receipt of the
+message.
+.I msg_flags
+is a pointer to a integer that is filled with any message flags like
+.B MSG_NOTIFICATION or
+.B MSG_EOR.
+.SH "RETURN VALUE"
+On success,
+.BR sctp_recvmsg
+returns the number of bytes received or -1 if an error occurred.
+.SH "SEE ALSO"
+.BR sctp (7)
+.BR sctp_bindx (3),
+.BR sctp_connectx (3),
+.BR sctp_sendmsg (3),
+.BR sctp_send (3),
+.BR sctp_peeloff (3),
+.BR sctp_getpaddrs (3),
+.BR sctp_getladdrs (3),
+.BR sctp_opt_info (3)
--- /dev/null
+.\" (C) Copyright Sridhar Samudrala IBM Corp. 2005.
+.\"
+.\" Permission is granted to distribute possibly modified copies
+.\" of this manual provided the header is included verbatim,
+.\" and in case of nontrivial modification author and date
+.\" of the modification is added to the header.
+.\"
+.TH SCTP_SEND 3 2005-10-25 "Linux 2.6" "Linux Programmer's Manual"
+.SH NAME
+sctp_send \- Send a message from a SCTP socket.
+.SH SYNOPSIS
+.nf
+.B #include <sys/types.h>
+.B #include <sys/socket.h>
+.B #include <netinet/sctp.h>
+.sp
+.BI "int sctp_send(int " sd ", const void * " msg ", size_t " len ,
+.BI " const struct sctp_sndrcvinfo *" sinfo ",
+.BI " uint32_t " flags );
+.fi
+.SH DESCRIPTION
+.BR sctp_send
+is a wrapper library function that can be used to send a message from a socket
+without the use of the CMSG header structures.
+.I sd
+is the socket descriptor from which the message pointed to by
+.I msg
+of length
+.I len
+is sent.
+.I sinfo
+is a pointer to a sctp_sndrcvinfo structure.
+.I flags
+parameter is composed of a bitwise OR of the flags that can be be passed as
+the 3rd argument of a standard sendmsg() call.
+.SH "RETURN VALUE"
+On success,
+.BR sctp_sendmsg
+returns the number of bytes sent or -1 if an error occurred.
+.SH "SEE ALSO"
+.BR sctp (7)
+.BR sctp_bindx (3),
+.BR sctp_recvmsg (3),
+.BR sctp_peeloff (3),
+.BR sctp_getpaddrs (3),
+.BR sctp_getladdrs (3),
+.BR sctp_opt_info (3),
+.BR sctp_sendmsg (3)
--- /dev/null
+.\" (C) Copyright Sridhar Samudrala IBM Corp. 2004, 2005.
+.\"
+.\" Permission is granted to distribute possibly modified copies
+.\" of this manual provided the header is included verbatim,
+.\" and in case of nontrivial modification author and date
+.\" of the modification is added to the header.
+.\"
+.TH SCTP_SENDMSG 3 2004-10-25 "Linux 2.6" "Linux Programmer's Manual"
+.SH NAME
+sctp_sendmsg \- Send a message from a SCTP socket.
+.SH SYNOPSIS
+.nf
+.B #include <sys/types.h>
+.B #include <sys/socket.h>
+.B #include <netinet/sctp.h>
+.sp
+.BI "int sctp_sendmsg(int " sd ", const void * " msg ", size_t " len ,
+.BI " struct sockaddr *" to ", socklen_t " tolen ,
+.BI " uint32_t " ppid ", uint32_t " flags ,
+.BI " uint16_t " stream_no ", uint32_t " timetolive ,
+.BI " uint32_t " context );
+.fi
+.SH DESCRIPTION
+.BR sctp_sendmsg
+is a wrapper library function that can be used to send a message from a socket
+while using the advanced features of SCTP.
+.I sd
+is the socket descriptor from which the message pointed to by
+.I msg
+of length
+.I len
+is sent.
+.I to
+is the destination address of the message and
+.I tolen
+is the length of the destination address.
+.I stream_no
+identifies the stream number that the application wishes to send this message to.
+.I flags
+parameter is composed of a bitwise OR of the following values.
+.TP
+.B SCTP_UNORDERED
+This flags requests the un-ordered delivery of the message.
+.TP
+.B SCTP_ADDR_OVER
+This flag, in the one-to-many style, requests the SCTP stack to override the
+primary destination address with address specified in
+.I to.
+.TP
+.B SCTP_ABORT
+Setting this flag causes the specified association to abort by sending an ABORT
+message to the peer(one-to-many style only). The ABORT chunk will contain an
+error cause 'User Initiated Abort' with cause code 12. The cause specific
+information of this error cause is provided in
+.I msg.
+.TP
+.B SCTP_EOF
+Setting this flag invokes the SCTP graceful shutdown procedure on the specific
+association(one-to-many style only).
+.PP
+.I timetolive
+specifies the time duration in milliseconds. The sending side will expire the
+message if the message has not been sent to the peer within this time period.
+A value of 0 indicates that no timeout should occur on this message.
+.I ppid
+is an opaque unsigned value that is passed to the remote end along with the
+message.
+.I context
+is a 32 bit opaque value that is passed back to the upper layer along with the
+undelivered message if an error occurs on the send of the message.
+.SH "RETURN VALUE"
+On success,
+.BR sctp_sendmsg
+returns the number of bytes sent or -1 if an error occurred.
+.SH "SEE ALSO"
+.BR sctp (7)
+.BR sctp_bindx (3),
+.BR sctp_connectx (3),
+.BR sctp_send (3),
+.BR sctp_recvmsg (3),
+.BR sctp_peeloff (3),
+.BR sctp_getpaddrs (3),
+.BR sctp_getladdrs (3),
+.BR sctp_opt_info (3),
--- /dev/null
+include $(top_srcdir)/Makefile.vars
+include $(top_srcdir)/Makefile.rules
+
+SUBDIRS = apps func_tests include lib testlib withsctp
--- /dev/null
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--- /dev/null
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+
+
+# Include these two in all the Makefile.am's!!!
+
+# General compilation flags
+INCLUDES = -I. -I$(top_srcdir)/src/include -I$(top_srcdir)/src/testlib
+AM_CFLAGS = -g -Wall -Wstrict-prototypes -Wimplicit-function-declaration
+AM_LDFLAGS =
+LDADD = $(top_builddir)/src/testlib/libsctputil.la \
+ $(top_builddir)/src/lib/libsctp.la
+
+
+# Specifying the sources
+bindx_test_SOURCES = bindx_test.c
+sctp_darn_SOURCES = sctp_darn.c sctp_darn.h
+sctp_test_SOURCES = sctp_test.c
+sctp_status_SOURCES = sctp_status.c
+nagle_rcv_SOURCES = nagle_rcv.c
+nagle_snd_SOURCES = nagle_snd.c
+myftp_SOURCES = myftp.c
+sctp_xconnect_SOURCES = sctp_xconnect.c
+peel_server_SOURCES = peel_server.c
+peel_client_SOURCES = peel_client.c
+
+# Tutorials
+pkgdoc_DATA = sctp_darn.c sctp_darn.h sctp_test.c sctp_status.c
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(top_srcdir)/Makefile.vars $(top_srcdir)/Makefile.rules $(top_srcdir)/Makefile.dirs $(am__configure_deps)
+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
+ *$$dep*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+ && exit 0; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/apps/Makefile'; \
+ cd $(top_srcdir) && \
+ $(AUTOMAKE) --foreign src/apps/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
+ *config.status*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+ *) \
+ echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+ cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+ esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: $(am__configure_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): $(am__aclocal_m4_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+install-binPROGRAMS: $(bin_PROGRAMS)
+ @$(NORMAL_INSTALL)
+ test -z "$(bindir)" || $(mkdir_p) "$(DESTDIR)$(bindir)"
+ @list='$(bin_PROGRAMS)'; for p in $$list; do \
+ p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+ if test -f $$p \
+ || test -f $$p1 \
+ ; then \
+ f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
+ echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) --mode=install $(binPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(bindir)/$$f'"; \
+ $(INSTALL_PROGRAM_ENV) $(LIBTOOL) --mode=install $(binPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(bindir)/$$f" || exit 1; \
+ else :; fi; \
+ done
+
+uninstall-binPROGRAMS:
+ @$(NORMAL_UNINSTALL)
+ @list='$(bin_PROGRAMS)'; for p in $$list; do \
+ f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
+ echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
+ rm -f "$(DESTDIR)$(bindir)/$$f"; \
+ done
+
+clean-binPROGRAMS:
+ @list='$(bin_PROGRAMS)'; for p in $$list; do \
+ f=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+ echo " rm -f $$p $$f"; \
+ rm -f $$p $$f ; \
+ done
+
+clean-noinstPROGRAMS:
+ @list='$(noinst_PROGRAMS)'; for p in $$list; do \
+ f=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+ echo " rm -f $$p $$f"; \
+ rm -f $$p $$f ; \
+ done
+bindx_test$(EXEEXT): $(bindx_test_OBJECTS) $(bindx_test_DEPENDENCIES)
+ @rm -f bindx_test$(EXEEXT)
+ $(LINK) $(bindx_test_LDFLAGS) $(bindx_test_OBJECTS) $(bindx_test_LDADD) $(LIBS)
+myftp$(EXEEXT): $(myftp_OBJECTS) $(myftp_DEPENDENCIES)
+ @rm -f myftp$(EXEEXT)
+ $(LINK) $(myftp_LDFLAGS) $(myftp_OBJECTS) $(myftp_LDADD) $(LIBS)
+nagle_rcv$(EXEEXT): $(nagle_rcv_OBJECTS) $(nagle_rcv_DEPENDENCIES)
+ @rm -f nagle_rcv$(EXEEXT)
+ $(LINK) $(nagle_rcv_LDFLAGS) $(nagle_rcv_OBJECTS) $(nagle_rcv_LDADD) $(LIBS)
+nagle_snd$(EXEEXT): $(nagle_snd_OBJECTS) $(nagle_snd_DEPENDENCIES)
+ @rm -f nagle_snd$(EXEEXT)
+ $(LINK) $(nagle_snd_LDFLAGS) $(nagle_snd_OBJECTS) $(nagle_snd_LDADD) $(LIBS)
+peel_client$(EXEEXT): $(peel_client_OBJECTS) $(peel_client_DEPENDENCIES)
+ @rm -f peel_client$(EXEEXT)
+ $(LINK) $(peel_client_LDFLAGS) $(peel_client_OBJECTS) $(peel_client_LDADD) $(LIBS)
+peel_server$(EXEEXT): $(peel_server_OBJECTS) $(peel_server_DEPENDENCIES)
+ @rm -f peel_server$(EXEEXT)
+ $(LINK) $(peel_server_LDFLAGS) $(peel_server_OBJECTS) $(peel_server_LDADD) $(LIBS)
+sctp_darn$(EXEEXT): $(sctp_darn_OBJECTS) $(sctp_darn_DEPENDENCIES)
+ @rm -f sctp_darn$(EXEEXT)
+ $(LINK) $(sctp_darn_LDFLAGS) $(sctp_darn_OBJECTS) $(sctp_darn_LDADD) $(LIBS)
+sctp_status$(EXEEXT): $(sctp_status_OBJECTS) $(sctp_status_DEPENDENCIES)
+ @rm -f sctp_status$(EXEEXT)
+ $(LINK) $(sctp_status_LDFLAGS) $(sctp_status_OBJECTS) $(sctp_status_LDADD) $(LIBS)
+sctp_test$(EXEEXT): $(sctp_test_OBJECTS) $(sctp_test_DEPENDENCIES)
+ @rm -f sctp_test$(EXEEXT)
+ $(LINK) $(sctp_test_LDFLAGS) $(sctp_test_OBJECTS) $(sctp_test_LDADD) $(LIBS)
+sctp_xconnect$(EXEEXT): $(sctp_xconnect_OBJECTS) $(sctp_xconnect_DEPENDENCIES)
+ @rm -f sctp_xconnect$(EXEEXT)
+ $(LINK) $(sctp_xconnect_LDFLAGS) $(sctp_xconnect_OBJECTS) $(sctp_xconnect_LDADD) $(LIBS)
+
+mostlyclean-compile:
+ -rm -f *.$(OBJEXT)
+
+distclean-compile:
+ -rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bindx_test.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/myftp.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/nagle_rcv.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/nagle_snd.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/peel_client.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/peel_server.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sctp_darn.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sctp_status.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sctp_test.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sctp_xconnect.Po@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@ if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ $<; \
+@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Po"; else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(COMPILE) -c $<
+
+.c.obj:
+@am__fastdepCC_TRUE@ if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ `$(CYGPATH_W) '$<'`; \
+@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Po"; else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(COMPILE) -c `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@ if $(LTCOMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ $<; \
+@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Plo"; else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+
+distclean-libtool:
+ -rm -f libtool
+uninstall-info-am:
+install-pkgdocDATA: $(pkgdoc_DATA)
+ @$(NORMAL_INSTALL)
+ test -z "$(pkgdocdir)" || $(mkdir_p) "$(DESTDIR)$(pkgdocdir)"
+ @list='$(pkgdoc_DATA)'; for p in $$list; do \
+ if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+ f=$(am__strip_dir) \
+ echo " $(pkgdocDATA_INSTALL) '$$d$$p' '$(DESTDIR)$(pkgdocdir)/$$f'"; \
+ $(pkgdocDATA_INSTALL) "$$d$$p" "$(DESTDIR)$(pkgdocdir)/$$f"; \
+ done
+
+uninstall-pkgdocDATA:
+ @$(NORMAL_UNINSTALL)
+ @list='$(pkgdoc_DATA)'; for p in $$list; do \
+ f=$(am__strip_dir) \
+ echo " rm -f '$(DESTDIR)$(pkgdocdir)/$$f'"; \
+ rm -f "$(DESTDIR)$(pkgdocdir)/$$f"; \
+ done
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ tags=; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$tags $$unique; \
+ fi
+ctags: CTAGS
+CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ tags=; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ test -z "$(CTAGS_ARGS)$$tags$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$tags $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && cd $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ $(mkdir_p) $(distdir)/../..
+ @srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
+ list='$(DISTFILES)'; for file in $$list; do \
+ case $$file in \
+ $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+ $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
+ esac; \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test "$$dir" != "$$file" && test "$$dir" != "."; then \
+ dir="/$$dir"; \
+ $(mkdir_p) "$(distdir)$$dir"; \
+ else \
+ dir=''; \
+ fi; \
+ if test -d $$d/$$file; then \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+ fi; \
+ cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+ else \
+ test -f $(distdir)/$$file \
+ || cp -p $$d/$$file $(distdir)/$$file \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(DATA)
+installdirs:
+ for dir in "$(DESTDIR)$(bindir)" "$(DESTDIR)$(pkgdocdir)"; do \
+ test -z "$$dir" || $(mkdir_p) "$$dir"; \
+ done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ `test -z '$(STRIP)' || \
+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+ -test -z "$(MOSTLYCLEANFILES)" || rm -f $(MOSTLYCLEANFILES)
+
+clean-generic:
+ -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+ -test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libtool \
+ clean-noinstPROGRAMS mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-libtool distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am: install-pkgdocDATA
+
+install-exec-am: install-binPROGRAMS
+
+install-info: install-info-am
+
+install-man:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binPROGRAMS uninstall-info-am \
+ uninstall-pkgdocDATA
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-binPROGRAMS \
+ clean-generic clean-libtool clean-noinstPROGRAMS ctags \
+ distclean distclean-compile distclean-generic \
+ distclean-libtool distclean-tags distdir dvi dvi-am html \
+ html-am info info-am install install-am install-binPROGRAMS \
+ install-data install-data-am install-exec install-exec-am \
+ install-info install-info-am install-man install-pkgdocDATA \
+ install-strip installcheck installcheck-am installdirs \
+ maintainer-clean maintainer-clean-generic mostlyclean \
+ mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+ pdf pdf-am ps ps-am tags uninstall uninstall-am \
+ uninstall-binPROGRAMS uninstall-info-am uninstall-pkgdocDATA
+
+
+# -*-makefile-*-
+#
+# Generate pre-parsed C code.
+%.i: %.c
+ $(COMPILE) -E -c $^ -o $@
+
+.PRECIOUS: %.i
+%.ci: %.i
+ -grep -v -e "^#" -e "^ *$$" $^ | indent > $@
+ mv -f $@ $^
+
+# To modify this target for another language, just copy, paste and
+# modify the target to generate directories.h. We depend on
+# config.status and Makefile.dirs, as anything changed is going to be
+# reflected there.
+
+# This is for generating the list in C/C++
+directories.h: $(top_builddir)/config.status $(top_srcdir)/Makefile.dirs
+ @rm -f $@
+ @echo -n "Creating $@ ..."
+ @echo "#ifndef __$(subst .,_,$@)__" > $@
+ @echo "# define __$(subst .,_,$@)__" >> $@
+ @echo "" >> $@
+ @echo -e $(foreach v,$(directories),$(shell echo 'D_$(v) \"$($v)\"\\n')) \
+ | sed 's/^ *D_/# define D_/' >> $@
+ @echo "#endif" >> $@
+ @echo " done"
+
+$(top_builddir)/src/lib/libsctp.la:
+ make -C $(top_builddir)/src/lib libsctp.la
+
+$(top_builddir)/src/testlib/libsctputil.la:
+ make -C $(top_builddir)/src/testlib libsctputil.la
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
--- /dev/null
+ /* -*-c-*-
+ **
+ ** sctp-tools: Another bindx test.
+ **
+ ** $Id: bindx_test.c,v 1.1.1.1 2002/08/06 22:31:05 inaky Exp $
+ **
+ ** Distributed under the terms of the GPL v2.0 as described in
+ ** $top_srcdir/COPYING.
+ **
+ ** (C) Copyright IBM Corp. 2003
+ ** (C) 2002 Intel Corporation
+ ** Iñaky Pérez-González <inaky.perez-gonzalez@intel.com>:
+ ** Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+#define _GNU_SOURCE /* GNU extensions */
+
+#include <stdlib.h> /* malloc() */
+#include <arpa/inet.h> /* inet_pton() */
+#include <errno.h>
+#include <sys/socket.h> /* socket() */
+#include <stdio.h> /* fprintf */
+#include <netinet/in.h> /* sockaddr_in */
+#include <unistd.h> /* close() */
+#include <string.h> /* strchr() */
+#include <netinet/sctp.h> /* bindx() */
+
+ /* Global stuff */
+
+#ifndef IPPROTO_SCTP
+#define IPPROTO_SCTP 132
+#endif
+
+ /*! Main function: initialize, setup, run the main loop
+ **
+ **
+ */
+
+int main (int argc, char **argv)
+{
+ void *addr_buf, *buf_ptr;
+ void *addr_buf_size = 0;
+ size_t addrs, cnt;
+ int sd, result, port;
+
+ if (argc < 3) {
+ fprintf(stderr,
+ "Usage: bindx_test PORT IPADDR1 [IPADDR2 [...]]\n");
+ return 1;
+ }
+
+ port = atoi(argv[1]);
+ printf("bindx_test: INFO: Port is %d\n", port);
+
+ /* Allocate the maximum space for the specified no. of addresses.
+ * Assume all of them are v6 addresses.
+ */
+ addr_buf = malloc((argc -2) * sizeof(struct sockaddr_in6));
+ if (addr_buf == NULL) {
+ perror("bindx_test: ERROR: addr buf allocation failed");
+ return 1;
+ }
+
+ /* Get the addresses from the cmd line */
+ addrs = 0; /* healthy address iterator [and total counter] */
+ cnt = 2; /* argument iterator */
+ buf_ptr = addr_buf;
+ while (cnt < argc) {
+ printf("bindx_test: INFO: Arg %d: %s", cnt, argv[cnt]);
+ fflush(stderr);
+ if (strchr(argv[cnt], ':')) {
+ struct sockaddr_in6 *sa6;
+
+ sa6 = (struct sockaddr_in6 *)buf_ptr;
+ printf(" IPv6 address number %d", addrs);
+ sa6->sin6_family = AF_INET6;
+ sa6->sin6_port = port;
+ if (inet_pton(AF_INET6, argv[cnt], &sa6->sin6_addr)) {
+ addrs++;
+ addr_buf_size += sizeof(struct sockaddr_in6);
+ buf_ptr += sizeof(struct sockaddr_in6);
+ } else
+ printf(" error");
+ } else if (strchr(argv[cnt], '.')) {
+ struct sockaddr_in *sa;
+
+ sa = (struct sockaddr_in *)buf_ptr;
+ printf (" IPv4 address number %d", addrs);
+ sa->sin_family = AF_INET;
+ sa->sin_port = port;
+ if (inet_pton (AF_INET, argv[cnt], &sa->sin_addr)) {
+ addrs++;
+ addr_buf_size += sizeof(struct sockaddr_in);
+ buf_ptr += sizeof(struct sockaddr_in);
+ } else
+ printf (" error");
+ } else
+ printf (" Unknown");
+ putchar ('\n');
+ cnt++;
+ }
+
+ printf ("bindx_test: INFO: Got %d addrs\n", addrs);
+
+ /* Create the socket */
+ sd = socket(PF_INET6, SOCK_SEQPACKET, IPPROTO_SCTP);
+ if (sd == -1) {
+ perror("bindx_test: ERROR: Cannot open socket");
+ return 1;
+ }
+
+ /* add all */
+ result = sctp_bindx(sd, (struct sockaddr *)addr_buf, addrs,
+ SCTP_BINDX_ADD_ADDR);
+ if (result == -1)
+ perror("bindx_test: ERROR: bindx addition error");
+ else {
+ printf("bindx_test: OK: bindx address addition\n");
+
+ /* remove all but the last */
+ result = sctp_bindx(sd, (struct sockaddr *)addr_buf, addrs-1,
+ SCTP_BINDX_REM_ADDR);
+ if (result == -1)
+ perror("bindx_test: ERROR: bindx address removal");
+ else
+ printf("bindx_test: OK: bindx address removal\n");
+ }
+
+ close(sd);
+ free(addr_buf);
+ return result;
+}
--- /dev/null
+/* myftp - simple file transfer over sctp testing tool.
+ * Copyright (c) 2002 Intel Corp.
+ *
+ * This file is part of the LKSCTP kernel Implementation. This
+ * is a submission by Xingang Guo from the Intel Corporation while
+ * participating on the LKSCTP project.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <sctp-developers-list@cig.mot.com>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Written or modified by:
+ * Xingang Guo <xingang.guo@intel.com>
+ * Jon Grimm <jgrimm@us.ibm.com>
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#define _GNU_SOURCE
+#include <getopt.h>
+#include <netdb.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <sys/errno.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+
+#define BUFSIZE 1024
+static char buffer[BUFSIZE];
+#define DUMP_CORE { char *diediedie = 0; *diediedie = 0; }
+
+typedef enum { COMMAND_NONE, COMMAND_RECV, COMMAND_SEND } command_t;
+
+/* These are the global options. */
+#define MAX_NUM_HOST 5
+static char *local_host[MAX_NUM_HOST];
+static int num_local_host = 0;
+static int local_port = 4444;
+
+static int buffer_size = BUFSIZE;
+static char *remote_host = NULL;
+static int remote_port = 4444;
+static command_t command = COMMAND_NONE;
+static char *filename = NULL;
+static int interactive = 0;
+static unsigned long delay = 0;
+static int verbose = 0;
+
+static void
+usage(char *argv0)
+{
+ fprintf(stderr, "Usage: %s [options]\n",argv0);
+ fprintf(stderr, "Options:\n");
+ fprintf(stderr, "\t--local, -H <hostname> Specify local interface\n");
+ fprintf(stderr, "\t--local-port, -P <port> Specify local port (default 4444)\n");
+ fprintf(stderr, "\t--remote, -h <hostname> Specify interface on remote host\n");
+ fprintf(stderr, "\t--remote-port, -p <port> Specify remote port (default 4444)\n");
+ fprintf(stderr, "\t--listen, -l Work in receiving mode\n");
+ fprintf(stderr, "\t--send, -s Work in sending mode\n");
+ fprintf(stderr, "\t--file, -f <filename> File to read or write,\n");
+ fprintf(stderr, "\t--buffer, -b <size> Buffer size. (default 1024 bytes)\n");
+ fprintf(stderr, "\t by default use standard input/output.\n");
+ fprintf(stderr, "\t--quick, -q Send packets continueously,\n");
+ fprintf(stderr, "\t do not wait for <ENTER> key. Default wait.\n");
+ fprintf(stderr, "\t--delay, -d <usec> Delay between consecutive sends (see --quick)\n");
+ fprintf(stderr, "\t--verbose, -v In verbose mode, display the progress.\n");
+ fprintf(stderr, "\n\t--help, Print this message.\n\n");
+} /* usage() */
+
+static int parse_arguments(int argc, char *argv[])
+{
+ int option_index = 0;
+ int c;
+ static struct option long_options[] = {
+ {"local", 1, 0, 1},
+ {"local-port", 1, 0, 2},
+ {"remote", 1, 0, 3},
+ {"remote-port", 1, 0, 4},
+ {"file", 1, 0, 5},
+ {"delay", 1, 0, 6},
+ {"buffer", 1, 0, 7},
+ {"listen", 0, 0, 10},
+ {"send", 0, 0, 11},
+ {"quick", 0, 0, 12},
+ {"verbose", 0, 0, 13},
+ {"help", 0, 0, 99},
+ {0, 0, 0, 0}
+ };
+
+ /* Parse the arguments. */
+ while (1) {
+ c = getopt_long(argc, argv, "H:P:h:p:f:d:b:qlsv",long_options,&option_index);
+ if (c == -1) break;
+
+ switch (c) {
+ case 0:
+ printf ("option %s", long_options[option_index].name);
+ if (optarg) printf (" with arg %s", optarg);
+ printf ("\n");
+ break;
+ case 1: /* local host */
+ case 'H':
+ local_host[num_local_host++] = optarg;
+ break;
+ case 2: /* local port */
+ case 'P':
+ local_port = atoi(optarg);
+ break;
+ case 3: /* remote host */
+ case 'h':
+ remote_host = optarg;
+ break;
+ case 4: /* remote port */
+ case 'p':
+ remote_port = atoi(optarg);
+ break;
+ case 5:
+ case 'f':
+ filename = optarg;
+ break;
+
+ case 6:
+ case 'd':
+ delay = strtoul(optarg,NULL,10);
+ printf("delay is %ld usec\n",delay);
+ break;
+
+ case 7:
+ case 'b':
+ buffer_size = atoi(optarg);
+ if ( buffer_size > BUFSIZE ) {
+ buffer_size = BUFSIZE;
+ fprintf(stderr,"Warning, buffer size too large, set to %d\n",buffer_size);
+ }
+ case 12:
+ case 'q': interactive = 0; break;
+
+ case 13:
+ case 'v': verbose = 1; break;
+ /* COMMANDS */
+ case 10: /* listen */
+ case 'l':
+ if (command) {
+ fprintf(stderr, "%s: pick ONE of listen or send\n", argv[0]);
+ return 1;
+ }
+ else command = COMMAND_RECV;
+ break;
+
+ case 11: /* send */
+ case 's':
+ if (command) {
+ fprintf(stderr, "%s: pick ONE of listen or send\n", argv[0]);
+ return 2;
+ } else command = COMMAND_SEND;
+ break;
+
+ case '?':
+ case 99:
+ usage(argv[0]);
+ return 3;
+ break;
+
+ default:
+ printf ("%s: unrecognized option 0%c\n", argv[0], c);
+ usage(argv[0]);
+ return 4;
+ }
+ }
+
+ if (optind < argc) {
+ fprintf(stderr, "%s: non-option arguments are illegal: ", argv[0]);
+ while (optind < argc) fprintf(stderr, "%s ", argv[optind++]);
+ fprintf(stderr, "\n");
+ usage(argv[0]);
+ return 5;
+ }
+
+
+ if (0 == num_local_host) {
+ fprintf(stderr, "%s: You MUST provide a local host.\n", argv[0]);
+ usage(argv[0]);
+ return 6;
+ }
+
+ if ( filename == NULL && command == COMMAND_SEND)
+ fprintf(stderr,"%s: Use standard input to send\n",argv[0]);
+
+ if ( filename == NULL && command == COMMAND_RECV )
+ fprintf(stderr,"%s: Use standard output to write\n",argv[0]);
+
+ return 0;
+} /* parse_arguments() */
+
+static void
+emsg(char *prog,char *s)
+{
+ if ( prog != NULL ) fprintf(stderr,"%s: ",prog);
+ perror(s);
+ fflush(stdout);
+ //DUMP_CORE;
+
+ exit(-1);
+}
+
+static int build_endpoint(char *argv0)
+{
+ int retval,i;
+
+ /* Create the local endpoint. */
+ if ( (retval = socket(PF_INET, SOCK_SEQPACKET, IPPROTO_SCTP)) < 0 ) {
+ emsg(argv0,"socket");
+ exit(retval);
+ }
+
+ for ( i = 0;i < num_local_host;i++ ) {
+ struct hostent *hst;
+ struct sockaddr_in laddr;
+
+ /* Get the transport address for the local host name. */
+ fprintf(stderr,"Hostname %d is %s\n",i+1,local_host[i]);
+ if ( (hst = gethostbyname(local_host[i])) == NULL ) {
+ fprintf(stderr, "%s: bad hostname: %s\n", argv0, local_host[i]);
+ exit(1);
+ }
+ memcpy(&laddr.sin_addr, hst->h_addr_list[0],sizeof(laddr.sin_addr));
+ laddr.sin_port = htons(local_port);
+ laddr.sin_family = AF_INET;
+
+ /* Bind this socket to the test port. */
+ if ( bind(retval, (struct sockaddr *)&laddr, sizeof(laddr)) ) {
+ emsg(argv0,"bind");
+ exit(-1);
+ }
+ }
+
+ fprintf(stderr,"Endpoint built.\n");
+
+ return retval;
+} /* build_endpoint() */
+
+/* Convenience structure to determine space needed for cmsg. */
+typedef union {
+ struct sctp_initmsg init;
+ struct sctp_sndrcvinfo sndrcvinfo;
+} _sctp_cmsg_data_t;
+
+
+/* Listen on the socket, printing out anything that arrives. */
+static void
+command_recv(char *argv0, int sk)
+{
+ struct msghdr inmessage;
+ char incmsg[CMSG_SPACE(sizeof(_sctp_cmsg_data_t))];
+ struct iovec iov;
+ int ret;
+ int fd;
+ int ct;
+
+ listen(sk, 1);
+ /* Initialize inmessage with enough space for DATA... */
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = buffer;
+ iov.iov_len = buffer_size;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ /* or a control message. */
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+ /* creat a file */
+ if ( filename == NULL ) fd = 1;
+ else if ( (fd = open(filename,O_WRONLY|O_CREAT|O_TRUNC,S_IREAD|S_IWRITE)) == -1 )
+ emsg(argv0,"open");
+
+ fprintf(stderr,"%s Receiving...\n", argv0);
+ /* Get the messages sent */
+ ct = 0;
+ while ( (ret = recvmsg(sk, &inmessage, MSG_WAITALL)) >= 0 ) {
+ if ( verbose )
+ fprintf(stderr,"%s-%d received %d bytes\n",
+ argv0, ++ct, ret);
+ if ( !(inmessage.msg_flags & MSG_NOTIFICATION) ) {
+ //printf("%s write %d bytes\n",argv0,ret);
+ if ( write(fd,buffer,ret) != ret ) emsg(argv0,"write");
+ } else {
+ union sctp_notification *sn;
+ sn = (union sctp_notification *)iov.iov_base;
+ if ((sn->sn_header.sn_type == SCTP_ASSOC_CHANGE) &&
+ (sn->sn_assoc_change.sac_state
+ == SCTP_SHUTDOWN_COMP))
+ break;
+ }
+
+ }
+
+ if ( ret < 0 ) emsg(argv0,"recvmsg");
+
+ close(fd);
+ close(sk);
+} /* command_recv() */
+
+/* Read lines from stdin and send them to the socket. */
+static void
+command_send(char *argv0, int sk)
+{
+ struct msghdr outmsg;
+ struct iovec iov;
+ struct hostent *hst;
+ struct sockaddr_in remote_addr;
+ int fd;
+ int msglen;
+ int ct;
+
+ /* Set up the destination. */
+ hst = gethostbyname(remote_host);
+ if (hst == NULL || hst->h_length < 1) {
+ fprintf(stderr, "%s: bad hostname: %s\n", argv0, remote_host);
+ exit(1);
+ }
+ memcpy(&remote_addr.sin_addr, hst->h_addr_list[0], sizeof(remote_addr.sin_addr));
+ remote_addr.sin_port = htons(remote_port);
+ remote_addr.sin_family = AF_INET;
+
+ /* Initialize the message struct we use to pass messages to
+ * the remote socket.
+ */
+ iov.iov_base = buffer;
+ iov.iov_len = buffer_size;
+ outmsg.msg_iov = &iov;
+ outmsg.msg_iovlen = 1;
+ outmsg.msg_control = NULL;
+ outmsg.msg_controllen = 0;
+ outmsg.msg_name = &remote_addr;
+ outmsg.msg_namelen = sizeof(remote_addr);
+
+ /* open the file */
+ if ( filename == NULL ) fd = 0;
+ else if ( (fd = open(filename,O_RDONLY)) == -1 ) emsg(argv0,"open");
+
+ fprintf(stderr,"%s ready to send...\n", argv0);
+ ct = 0;
+ while ( (msglen = read(fd,buffer,buffer_size)) > 0 ) {
+ /* Send to our neighbor. */
+ iov.iov_len = msglen;
+ if ( sendmsg(sk, &outmsg, 0) != msglen ) emsg(argv0,"sendmsg");
+ if ( verbose ) fprintf(stderr,"%s-%d send %d bytes\n",argv0,++ct,msglen);
+ if ( interactive && fd != 1 )
+ getchar();
+ // no flow control? no problem, make it slow
+ else if ( delay > 0 )
+ usleep(delay);
+ } while ( msglen > 0 );
+
+ close(fd);
+ close(sk);
+} /* command_send() */
+
+int main(int argc, char *argv[])
+{
+ int ret;
+
+ if (( ret = parse_arguments(argc, argv) )) return ret;
+
+ switch(command) {
+ case COMMAND_NONE:
+ fprintf(stderr, "%s: Please specify a command.\n", argv[0]);
+ break;
+ case COMMAND_RECV:
+ command_recv(argv[0],build_endpoint(argv[0]));
+ break;
+ case COMMAND_SEND:
+ command_send(argv[0],build_endpoint(argv[0]));
+ break;
+ default:
+ fprintf(stderr, "%s: illegal command %d\n", argv[0], command);
+ } /* switch(command) */
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2002, 2003
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Ardelle Fan <ardelle.fan@intel.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a receiver for the performance test to verify Nagle's algorithm.
+ * It creates a socket, binds to a address specified as a parameter and
+ * goes into a receive loop waiting for 1,000,000 packets. Then it calculates
+ * the packet receive rate, i.e. packets/second.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <sys/errno.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+#include <getopt.h>
+#include <netdb.h>
+#include <time.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 1;
+int TST_CNT = 0;
+
+void
+usage(char *progname)
+{
+ fprintf(stderr, "Usage: %s -H hostname [-P port]\n", progname);
+ fprintf(stderr, " -H, --local\t\t local hostname,\n");
+ fprintf(stderr, " -P, --local-port\t local port,\n");
+}
+
+int
+main(int argc, char *argv[])
+{
+ int sk, i;
+ struct hostent *hst;
+ sockaddr_storage_t host;
+ sockaddr_storage_t msgname;
+ struct iovec iov;
+ struct msghdr inmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ int error;
+ int pf_class, af_family;
+ char *big_buffer;
+ char *local_host = NULL;
+ int local_port = SCTP_TESTPORT_1;
+ int option_index = 0;
+ time_t from, to;
+ int bytes_received = 0;
+ int c;
+ static struct option long_options[] = {
+ {"local", 1, 0, 1},
+ {"local-port", 1, 0, 2},
+ {0, 0, 0, 0}
+ };
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Parse the arguments. */
+ while (1) {
+ c = getopt_long (argc, argv, "H:P:",
+ long_options, &option_index);
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 0:
+ printf("option %s", long_options[option_index].name);
+ if (optarg) {
+ printf(" with arg %s", optarg);
+ }
+ printf("\n");
+ break;
+ case 1: /* local host */
+ case 'H':
+ local_host = optarg;
+ break;
+ case 2: /* local port */
+ case 'P':
+ local_port = atoi(optarg);
+ break;
+ case '?':
+ usage(argv[0]);
+ exit(0);
+
+ default:
+ printf ("%s: unrecognized option 0%c\n", argv[0], c);
+ usage(argv[0]);
+ exit(1);
+ }
+ }
+
+ if (optind < argc)
+ {
+ fprintf(stderr, "%s: non-option arguments are illegal: ",
+ argv[0]);
+ while (optind < argc)
+ fprintf(stderr, "%s ", argv[optind++]);
+ fprintf (stderr, "\n");
+ usage(argv[0]);
+ exit(1);
+ }
+
+ if (!local_host) {
+ fprintf(stderr, "%s: : option -H, --local is required\n",
+ argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+
+ /* Set some basic values which depend on the address family. */
+#if TEST_V6
+ hst = gethostbyname2(local_host, AF_INET6);
+ if (hst == NULL || hst->h_length < 1) {
+ fprintf(stderr, "%s: bad hostname: %s\n", argv[0], local_host);
+ exit(1);
+ }
+ pf_class = PF_INET6;
+ af_family = AF_INET6;
+
+ host.v6.sin6_family = AF_INET6;
+ memcpy(&host.v6.sin_addr, hst->h_addr_list[0], hst->h_length);
+ host.v6.sin6_port = htons(local_port);
+
+#else
+ hst = gethostbyname(local_host);
+ if (hst == NULL || hst->h_length < 1) {
+ fprintf(stderr, "%s: bad hostname: %s\n", argv[0], local_host);
+ exit(1);
+ }
+ pf_class = PF_INET;
+ af_family = AF_INET;
+
+ host.v4.sin_family = AF_INET;
+ memcpy(&host.v4.sin_addr, hst->h_addr_list[0], hst->h_length);
+ host.v4.sin_port = htons(local_port);
+
+#endif /* TEST_V6 */
+
+ /* Create the endpoint which will talk to nagle_snd. */
+ sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(sk);
+
+ /* Bind the sockets to the test port. */
+ test_bind(sk, &host.sa, sizeof(host));
+
+ /* Mark sk as being able to accept new associations. */
+ test_listen(sk, 1);
+
+ printf("Listening on port:%d\n", local_port);
+
+ /* Initialize inmessage for receives. */
+ memset(&inmessage, 0, sizeof(inmessage));
+ big_buffer = test_malloc(REALLY_BIG);
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+ inmessage.msg_name = &msgname;
+ inmessage.msg_namelen = sizeof(msgname);
+ memset(&msgname, 0, sizeof(msgname));
+
+ /* Get the communication up message on sk. */
+ error = test_recvmsg(sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+
+ printf("Established connection with ");
+ if (AF_INET == msgname.sa.sa_family)
+ printf("%d.%d.%d.%d(%d)\n", NIPQUAD(msgname.v4.sin_addr),
+ ntohs(msgname.v4.sin_port));
+ if (AF_INET6 == msgname.sa.sa_family)
+ printf("%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x(%d)\n",
+ NIP6(msgname.v6.sin6_addr), ntohs(msgname.v6.sin6_port));
+
+ time(&from);
+ for (i=0; i<1000000; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ inmessage.msg_namelen = sizeof(msgname);
+ error = test_recvmsg(sk, &inmessage, MSG_WAITALL);
+ if (inmessage.msg_flags & MSG_NOTIFICATION)
+ break;
+ printf("Received %d bytes of data\n", error);
+ bytes_received += error;
+ }
+ time(&to);
+
+ printf("\t%d messages(%d bytes) successfully received in %ld "
+ "seconds.\n", i, bytes_received, to - from);
+ printf("The receive rate is %ld bytes/second\n",
+ bytes_received/(to - from));
+
+ /* Shut down the link. */
+ error = 0;
+ close(sk);
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2002, 2003
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Ardelle Fan <ardelle.fan@intel.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a receiver for the performance test to verify Nagle's algorithm.
+ * It creates a socket, binds to a address specified as a parameter and
+ * sends 1,000,000 packets to a specified target.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <sys/errno.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+#include <getopt.h>
+#include <netdb.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 1;
+int TST_CNT = 0;
+
+void
+usage(char *argv0)
+{
+ fprintf(stderr, "Usage: %s -H localhost [-P localport] "
+ "-h remotehost [-p remoteport]\n"
+ "\t\t[-S msgsize] [-I interval] -N\n"
+ " -H, --local\t\tspecify one of the local addresses,\n"
+ " -P, --local-port\tspecify the port number for local addresses,\n"
+ " -h, --remote\t\tspecify one of the remote addresses,\n"
+ " -p, --remote-port\tspecify the port number for remote addresses,\n"
+ " -S, --size\t\tspecify the size(byte) of the sending message,\n"
+ " -I, --interval\t\tspecify the interval(second) that sending messages at,\n"
+ " -N, --nodelay\t\tspecify whether the SCTP allows Nagle's algorithm\n",
+ argv0);
+}
+
+int
+main(int argc, char *argv[])
+{
+ int sk, i;
+ struct hostent *hst, *tgt;
+ sockaddr_storage_t host, target;
+ sockaddr_storage_t msgname;
+ struct iovec iov;
+ struct msghdr inmessage;
+ struct msghdr outmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+ struct iovec out_iov;
+ char *message;
+ int error, bytes_sent;
+ int pf_class, af_family;
+ sctp_assoc_t associd;
+ uint32_t ppid;
+ uint32_t stream;
+ char *remote_host = NULL;
+ int remote_port = SCTP_TESTPORT_1;
+ char *local_host = NULL;
+ int local_port = SCTP_TESTPORT_2;
+ int size = 1;
+ int interval = 0;
+ int nodelay = 0;
+ int option_index = 0;
+ char *big_buffer;
+ int c;
+ static struct option long_options[] = {
+ {"local", 1, 0, 1},
+ {"local-port", 1, 0, 2},
+ {"remote", 1, 0, 3},
+ {"remote-port", 1, 0, 4},
+ {"size", 1, 0, 5},
+ {"interval", 1, 0, 6},
+ {"nodelay", 0, 0, 10},
+ {0, 0, 0, 0}
+ };
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Parse the arguments. */
+ while (1) {
+ c = getopt_long (argc, argv, "H:P:h:p:S:I:N",
+ long_options, &option_index);
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 0:
+ printf("option %s", long_options[option_index].name);
+ if (optarg) {
+ printf(" with arg %s", optarg);
+ }
+ printf("\n");
+ break;
+ case 1: /* local host */
+ case 'H':
+ local_host = optarg;
+ break;
+ case 2: /* local port */
+ case 'P':
+ local_port = atoi(optarg);
+ break;
+ case 3: /* remote host */
+ case 'h':
+ remote_host = optarg;
+ break;
+ case 4: /* remote port */
+ case 'p':
+ remote_port = atoi(optarg);
+ break;
+ case 5: /* size */
+ case 'S':
+ size = atoi(optarg);
+ break;
+ case 6: /* interval */
+ case 'I':
+ interval = atoi(optarg);
+ break;
+ case 10: /* nodelay */
+ case 'N':
+ nodelay = 1;
+ break;
+ case '?':
+ usage(argv[0]);
+ exit(0);
+
+ default:
+ printf ("%s: unrecognized option 0%c\n",
+ argv[0], c);
+ usage(argv[0]);
+ exit(1);
+ }
+ }
+
+ if (optind < argc)
+ {
+ fprintf(stderr, "%s: non-option arguments are illegal: ",
+ argv[0]);
+ while (optind < argc)
+ fprintf(stderr, "%s ", argv[optind++]);
+ fprintf (stderr, "\n");
+ usage(argv[0]);
+ exit(1);
+ }
+
+ if (!local_host || !remote_host) {
+ fprintf(stderr, "%s: : option --local and --remote are required\n",
+ argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+
+ /* Set some basic values which depend on the address family. */
+#if TEST_V6
+ hst = gethostbyname2(local_host, AF_INET6);
+ if (hst == NULL || hst->h_length < 1) {
+ fprintf(stderr, "%s: bad hostname: %s\n", argv[0], local_host);
+ exit(1);
+ }
+ host.v6.sin6_family = AF_INET6;
+ memcpy(&host.v6.sin_addr, hst->h_addr_list[0], hst->h_length);
+ host.v6.sin6_port = htons(local_port);
+
+ tgt = gethostbyname2(remote_host, AF_INET6);
+ if (tgt == NULL || tgt->h_length < 1) {
+ fprintf(stderr, "%s: bad hostname: %s\n", argv[0], remote_host);
+ exit(1);
+ }
+ target.v6.sin6_family = AF_INET6;
+ memcpy(&target.v6.sin_addr, tgt->h_addr_list[0], tgt->h_length);
+ target.v6.sin6_port = htons(remote_port);
+
+ pf_class = PF_INET6;
+ af_family = AF_INET6;
+
+#else
+ hst = gethostbyname(local_host);
+ if (hst == NULL || hst->h_length < 1) {
+ fprintf(stderr, "%s: bad hostname: %s\n", argv[0], local_host);
+ exit(1);
+ }
+
+ host.v4.sin_family = AF_INET;
+ memcpy(&host.v4.sin_addr, hst->h_addr_list[0], hst->h_length);
+ host.v4.sin_port = htons(local_port);
+
+ tgt = gethostbyname(remote_host);
+ if (tgt == NULL || tgt->h_length < 1) {
+ fprintf(stderr, "%s: bad hostname: %s\n", argv[0], remote_host);
+ exit(1);
+ }
+ target.v4.sin_family = AF_INET;
+ memcpy(&target.v4.sin_addr, tgt->h_addr_list[0], tgt->h_length);
+ target.v4.sin_port = htons(remote_port);
+
+ pf_class = PF_INET;
+ af_family = AF_INET;
+
+#endif /* TEST_V6 */
+
+ sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(sk);
+
+ test_setsockopt(sk, SCTP_NODELAY, &nodelay, sizeof(int));
+
+ /* Bind the sockets to the test port. */
+ test_bind(sk, &host.sa, sizeof(host));
+
+ /* Mark sk as being able to accept new associations. */
+ test_listen(sk, 1);
+
+ /* Build up a msghdr structure we can use for all sending. */
+ outmessage.msg_name = ⌖
+ outmessage.msg_namelen = sizeof(target);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid = rand(); /* Choose an arbitrary value. */
+ stream = 1;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+
+ message = test_malloc((size + 1) * sizeof(u_int8_t));
+
+ for(i=0; i + 10 < size; i+= 10)
+ strncpy(message+i, "1234567890", 10);
+ strncpy(message+i, "1234567890", size-i);
+ *(message+size) = 0;
+
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = size + 1;
+
+ printf("Initiating connection with %s:%d...\n", remote_host,
+ remote_port);
+
+ /* Send the first message. This will create the association. */
+ bytes_sent = test_sendmsg(sk, &outmessage, 0, size+1);
+
+ memset(&inmessage, 0, sizeof(inmessage));
+ big_buffer = test_malloc(REALLY_BIG);
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+ inmessage.msg_name = &msgname;
+ inmessage.msg_namelen = sizeof(msgname);
+ memset(&msgname, 0, sizeof(msgname));
+
+ /* Get the communication up message on sk. */
+ error = test_recvmsg(sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ associd = ((struct sctp_assoc_change *)iov.iov_base)->sac_assoc_id;
+
+ printf("Established connection with ");
+ if (AF_INET == msgname.sa.sa_family)
+ printf("%d.%d.%d.%d(%d)\n", NIPQUAD(msgname.v4.sin_addr),
+ ntohs(msgname.v4.sin_port));
+ if (AF_INET6 == msgname.sa.sa_family)
+ printf("%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x(%d)\n",
+ NIP6(msgname.v6.sin6_addr), ntohs(msgname.v6.sin6_port));
+
+ printf("Sending data to receiver...\n");
+
+ for (i=1; i<1000000; i++) {
+
+ if (interval)
+ sleep(interval);
+
+ outmessage.msg_name = ⌖
+ outmessage.msg_namelen = sizeof(target);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+
+ ppid++;
+
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ sinfo->sinfo_assoc_id = associd;
+
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = size + 1;
+ bytes_sent = test_sendmsg(sk, &outmessage, 0, size+1);
+ }
+
+ printf("\n\n\t\tComplete all the data sendings to receiver...\n\n\n");
+
+ error = 0;
+ close(sk);
+
+ free(message);
+
+ /* Indicate successful completion. */
+ return 0;
+
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2003
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * In addition:
+ *
+ * Copyright (c) 2003 Cisco
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * a) Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * b) Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the distribution.
+ *
+ * c) Neither the name of Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Randall Stewart <rrs@cisco.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+#include <ctype.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+
+#include <stdarg.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <arpa/inet.h>
+#include <time.h>
+#include <string.h>
+#include <errno.h>
+#include <poll.h>
+#include <sys/uio.h>
+#include <netdb.h>
+
+#include <netinet/sctp.h>
+#ifdef __NetBSD__
+#include <sys/inttypes.h>
+#endif
+
+#define SCTP_CRC32C_POLY 0x1EDC6F41
+#define SCTP_CRC32C(c,d) (c=(c>>8)^sctp_crc_c[(c^(d))&0xFF])
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* Copyright 2001, D. Otis. Use this program, code or tables */
+/* extracted from it, as desired without restriction. */
+/* */
+/* 32 Bit Reflected CRC table generation for SCTP. */
+/* To accommodate serial byte data being shifted out least */
+/* significant bit first, the table's 32 bit words are reflected */
+/* which flips both byte and bit MS and LS positions. The CRC */
+/* is calculated MS bits first from the perspective of the serial*/
+/* stream. The x^32 term is implied and the x^0 term may also */
+/* be shown as +1. The polynomial code used is 0x1EDC6F41. */
+/* Castagnoli93 */
+/* x^32+x^28+x^27+x^26+x^25+x^23+x^22+x^20+x^19+x^18+x^14+x^13+ */
+/* x^11+x^10+x^9+x^8+x^6+x^0 */
+/* Guy Castagnoli Stefan Braeuer and Martin Herrman */
+/* "Optimization of Cyclic Redundancy-Check Codes */
+/* with 24 and 32 Parity Bits", */
+/* IEEE Transactions on Communications, Vol.41, No.6, June 1993 */
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+static unsigned char buffer1[4100];
+static unsigned char buffer2[4100];
+static unsigned char buffer3[4100];
+static unsigned char buffer4[4100];
+static struct sockaddr_in bindto,got,to;
+static socklen_t len;
+
+unsigned long sctp_crc_c[256] = {
+ 0x00000000L, 0xF26B8303L, 0xE13B70F7L, 0x1350F3F4L,
+ 0xC79A971FL, 0x35F1141CL, 0x26A1E7E8L, 0xD4CA64EBL,
+ 0x8AD958CFL, 0x78B2DBCCL, 0x6BE22838L, 0x9989AB3BL,
+ 0x4D43CFD0L, 0xBF284CD3L, 0xAC78BF27L, 0x5E133C24L,
+ 0x105EC76FL, 0xE235446CL, 0xF165B798L, 0x030E349BL,
+ 0xD7C45070L, 0x25AFD373L, 0x36FF2087L, 0xC494A384L,
+ 0x9A879FA0L, 0x68EC1CA3L, 0x7BBCEF57L, 0x89D76C54L,
+ 0x5D1D08BFL, 0xAF768BBCL, 0xBC267848L, 0x4E4DFB4BL,
+ 0x20BD8EDEL, 0xD2D60DDDL, 0xC186FE29L, 0x33ED7D2AL,
+ 0xE72719C1L, 0x154C9AC2L, 0x061C6936L, 0xF477EA35L,
+ 0xAA64D611L, 0x580F5512L, 0x4B5FA6E6L, 0xB93425E5L,
+ 0x6DFE410EL, 0x9F95C20DL, 0x8CC531F9L, 0x7EAEB2FAL,
+ 0x30E349B1L, 0xC288CAB2L, 0xD1D83946L, 0x23B3BA45L,
+ 0xF779DEAEL, 0x05125DADL, 0x1642AE59L, 0xE4292D5AL,
+ 0xBA3A117EL, 0x4851927DL, 0x5B016189L, 0xA96AE28AL,
+ 0x7DA08661L, 0x8FCB0562L, 0x9C9BF696L, 0x6EF07595L,
+ 0x417B1DBCL, 0xB3109EBFL, 0xA0406D4BL, 0x522BEE48L,
+ 0x86E18AA3L, 0x748A09A0L, 0x67DAFA54L, 0x95B17957L,
+ 0xCBA24573L, 0x39C9C670L, 0x2A993584L, 0xD8F2B687L,
+ 0x0C38D26CL, 0xFE53516FL, 0xED03A29BL, 0x1F682198L,
+ 0x5125DAD3L, 0xA34E59D0L, 0xB01EAA24L, 0x42752927L,
+ 0x96BF4DCCL, 0x64D4CECFL, 0x77843D3BL, 0x85EFBE38L,
+ 0xDBFC821CL, 0x2997011FL, 0x3AC7F2EBL, 0xC8AC71E8L,
+ 0x1C661503L, 0xEE0D9600L, 0xFD5D65F4L, 0x0F36E6F7L,
+ 0x61C69362L, 0x93AD1061L, 0x80FDE395L, 0x72966096L,
+ 0xA65C047DL, 0x5437877EL, 0x4767748AL, 0xB50CF789L,
+ 0xEB1FCBADL, 0x197448AEL, 0x0A24BB5AL, 0xF84F3859L,
+ 0x2C855CB2L, 0xDEEEDFB1L, 0xCDBE2C45L, 0x3FD5AF46L,
+ 0x7198540DL, 0x83F3D70EL, 0x90A324FAL, 0x62C8A7F9L,
+ 0xB602C312L, 0x44694011L, 0x5739B3E5L, 0xA55230E6L,
+ 0xFB410CC2L, 0x092A8FC1L, 0x1A7A7C35L, 0xE811FF36L,
+ 0x3CDB9BDDL, 0xCEB018DEL, 0xDDE0EB2AL, 0x2F8B6829L,
+ 0x82F63B78L, 0x709DB87BL, 0x63CD4B8FL, 0x91A6C88CL,
+ 0x456CAC67L, 0xB7072F64L, 0xA457DC90L, 0x563C5F93L,
+ 0x082F63B7L, 0xFA44E0B4L, 0xE9141340L, 0x1B7F9043L,
+ 0xCFB5F4A8L, 0x3DDE77ABL, 0x2E8E845FL, 0xDCE5075CL,
+ 0x92A8FC17L, 0x60C37F14L, 0x73938CE0L, 0x81F80FE3L,
+ 0x55326B08L, 0xA759E80BL, 0xB4091BFFL, 0x466298FCL,
+ 0x1871A4D8L, 0xEA1A27DBL, 0xF94AD42FL, 0x0B21572CL,
+ 0xDFEB33C7L, 0x2D80B0C4L, 0x3ED04330L, 0xCCBBC033L,
+ 0xA24BB5A6L, 0x502036A5L, 0x4370C551L, 0xB11B4652L,
+ 0x65D122B9L, 0x97BAA1BAL, 0x84EA524EL, 0x7681D14DL,
+ 0x2892ED69L, 0xDAF96E6AL, 0xC9A99D9EL, 0x3BC21E9DL,
+ 0xEF087A76L, 0x1D63F975L, 0x0E330A81L, 0xFC588982L,
+ 0xB21572C9L, 0x407EF1CAL, 0x532E023EL, 0xA145813DL,
+ 0x758FE5D6L, 0x87E466D5L, 0x94B49521L, 0x66DF1622L,
+ 0x38CC2A06L, 0xCAA7A905L, 0xD9F75AF1L, 0x2B9CD9F2L,
+ 0xFF56BD19L, 0x0D3D3E1AL, 0x1E6DCDEEL, 0xEC064EEDL,
+ 0xC38D26C4L, 0x31E6A5C7L, 0x22B65633L, 0xD0DDD530L,
+ 0x0417B1DBL, 0xF67C32D8L, 0xE52CC12CL, 0x1747422FL,
+ 0x49547E0BL, 0xBB3FFD08L, 0xA86F0EFCL, 0x5A048DFFL,
+ 0x8ECEE914L, 0x7CA56A17L, 0x6FF599E3L, 0x9D9E1AE0L,
+ 0xD3D3E1ABL, 0x21B862A8L, 0x32E8915CL, 0xC083125FL,
+ 0x144976B4L, 0xE622F5B7L, 0xF5720643L, 0x07198540L,
+ 0x590AB964L, 0xAB613A67L, 0xB831C993L, 0x4A5A4A90L,
+ 0x9E902E7BL, 0x6CFBAD78L, 0x7FAB5E8CL, 0x8DC0DD8FL,
+ 0xE330A81AL, 0x115B2B19L, 0x020BD8EDL, 0xF0605BEEL,
+ 0x24AA3F05L, 0xD6C1BC06L, 0xC5914FF2L, 0x37FACCF1L,
+ 0x69E9F0D5L, 0x9B8273D6L, 0x88D28022L, 0x7AB90321L,
+ 0xAE7367CAL, 0x5C18E4C9L, 0x4F48173DL, 0xBD23943EL,
+ 0xF36E6F75L, 0x0105EC76L, 0x12551F82L, 0xE03E9C81L,
+ 0x34F4F86AL, 0xC69F7B69L, 0xD5CF889DL, 0x27A40B9EL,
+ 0x79B737BAL, 0x8BDCB4B9L, 0x988C474DL, 0x6AE7C44EL,
+ 0xBE2DA0A5L, 0x4C4623A6L, 0x5F16D052L, 0xAD7D5351L,
+};
+
+u_int32_t
+update_crc32(u_int32_t crc32,
+ unsigned char *buffer,
+ unsigned int length)
+{
+ int i;
+ for (i = 0; i < length; i++) {
+ SCTP_CRC32C(crc32, buffer[i]);
+ }
+ return (crc32);
+}
+
+u_int32_t
+sctp_csum_finalize(u_int32_t crc32)
+{
+ u_int32_t result;
+#if BYTE_ORDER == BIG_ENDIAN
+ u_int8_t byte0, byte1, byte2, byte3;
+#endif
+ /* Complement the result */
+ result = ~crc32;
+#if BYTE_ORDER == BIG_ENDIAN
+ /*
+ * For BIG-ENDIAN.. aka Motorola byte order the result is in
+ * little-endian form. So we must manually swap the bytes. Then
+ * we can call htonl() which does nothing...
+ */
+ byte0 = result & 0x000000ff;
+ byte1 = (result >> 8) & 0x000000ff;
+ byte2 = (result >> 16) & 0x000000ff;
+ byte3 = (result >> 24) & 0x000000ff;
+ result = ((byte0 << 24) |
+ (byte1 << 16) |
+ (byte2 << 8) |
+ byte3);
+ crc32 = htonl(result);
+#else
+ /*
+ * For INTEL platforms the result comes out in network order.
+ * No htonl is required or the swap above. So we optimize out
+ * both the htonl and the manual swap above.
+ */
+ crc32 = result;
+#endif
+ return (crc32);
+}
+
+static u_int32_t at = 468700;
+
+void
+prepare_buffers(void)
+{
+ /* Prepare buffers */
+ u_int32_t temp,*p;
+ int i;
+
+ p = (u_int32_t *)buffer1;
+ for(i=0;i<(sizeof(buffer1)/4);i++){
+ *p = at;
+ at++;
+ p++;
+ }
+ /* backup over the last int */
+ p--;
+ *p = 0;
+ temp = 0xffffffff;
+ temp = update_crc32(temp,buffer1,(sizeof(buffer1)-4));
+ *p = sctp_csum_finalize(temp);
+
+ p = (u_int32_t *)buffer2;
+ for(i=0;i<(sizeof(buffer2)/4);i++){
+ *p = at;
+ at++;
+ p++;
+ }
+ p--;
+ *p = 0;
+ temp = 0xffffffff;
+ temp = update_crc32(temp,buffer2,(sizeof(buffer2)-4));
+ *p = sctp_csum_finalize(temp);
+
+ p = (u_int32_t *)buffer3;
+ for(i=0;i<(sizeof(buffer3)/4);i++){
+ *p = at;
+ at++;
+ p++;
+ }
+ p--;
+ *p = 0;
+ temp = 0xffffffff;
+ temp = update_crc32(temp,buffer3,(sizeof(buffer3)-4));
+ *p = sctp_csum_finalize(temp);
+
+ p = (u_int32_t *)buffer4;
+ for(i=0;i<(sizeof(buffer4)/4);i++){
+ *p = at;
+ at++;
+ p++;
+ }
+ p--;
+ *p = 0;
+ temp = 0xffffffff;
+ temp = update_crc32(temp,buffer4,(sizeof(buffer4)-4));
+ *p = sctp_csum_finalize(temp);
+}
+
+static int
+my_handle_notification(int fd,char *notify_buf) {
+ union sctp_notification *snp;
+ struct sctp_assoc_change *sac;
+ struct sctp_paddr_change *spc;
+ struct sctp_remote_error *sre;
+ struct sctp_send_failed *ssf;
+ struct sctp_shutdown_event *sse;
+ int asocDown;
+ char *str;
+ char buf[256];
+ struct sockaddr_in *sin;
+ struct sockaddr_in6 *sin6;
+
+ asocDown = 0;
+ snp = (union sctp_notification *)notify_buf;
+ switch(snp->sn_header.sn_type) {
+ case SCTP_ASSOC_CHANGE:
+ sac = &snp->sn_assoc_change;
+ switch(sac->sac_state) {
+
+ case SCTP_COMM_UP:
+ str = "COMMUNICATION UP";
+ break;
+ case SCTP_COMM_LOST:
+ str = "COMMUNICATION LOST";
+ asocDown = 1;
+ break;
+ case SCTP_RESTART:
+ str = "RESTART";
+ break;
+ case SCTP_SHUTDOWN_COMP:
+ str = "SHUTDOWN COMPLETE";
+ asocDown = 1;
+ break;
+ case SCTP_CANT_STR_ASSOC:
+ str = "CANT START ASSOC";
+ printf("EXIT:SCTP_ASSOC_CHANGE: %s, assoc=%xh\n", str,
+ (uint32_t)sac->sac_assoc_id);
+ exit(0);
+ break;
+ default:
+ str = "UNKNOWN";
+ } /* end switch(sac->sac_state) */
+ printf("SCTP_ASSOC_CHANGE: %s, assoc=%xh\n", str,
+ (uint32_t)sac->sac_assoc_id);
+ break;
+ case SCTP_PEER_ADDR_CHANGE:
+ spc = &snp->sn_paddr_change;
+ switch(spc->spc_state) {
+ case SCTP_ADDR_AVAILABLE:
+ str = "ADDRESS AVAILABLE";
+ break;
+ case SCTP_ADDR_UNREACHABLE:
+ str = "ADDRESS UNAVAILABLE";
+ break;
+ case SCTP_ADDR_REMOVED:
+ str = "ADDRESS REMOVED";
+ break;
+ case SCTP_ADDR_ADDED:
+ str = "ADDRESS ADDED";
+ break;
+ case SCTP_ADDR_MADE_PRIM:
+ str = "ADDRESS MADE PRIMARY";
+ break;
+ default:
+ str = "UNKNOWN";
+ } /* end switch */
+ sin6 = (struct sockaddr_in6 *)&spc->spc_aaddr;
+ if (sin6->sin6_family == AF_INET6) {
+ inet_ntop(AF_INET6, (char*)&sin6->sin6_addr, buf, sizeof(buf));
+ } else {
+ sin = (struct sockaddr_in *)&spc->spc_aaddr;
+ inet_ntop(AF_INET, (char*)&sin->sin_addr, buf, sizeof(buf));
+ }
+ printf("SCTP_PEER_ADDR_CHANGE: %s, addr=%s, assoc=%xh\n", str,
+ buf, (uint32_t)spc->spc_assoc_id);
+ break;
+ case SCTP_REMOTE_ERROR:
+ sre = &snp->sn_remote_error;
+ printf("SCTP_REMOTE_ERROR: assoc=%xh\n",
+ (uint32_t)sre->sre_assoc_id);
+ break;
+ case SCTP_SEND_FAILED:
+ ssf = &snp->sn_send_failed;
+ printf("SCTP_SEND_FAILED: assoc=%xh\n",
+ (uint32_t)ssf->ssf_assoc_id);
+ break;
+ case SCTP_ADAPTATION_INDICATION:
+ {
+ struct sctp_adaptation_event *ae;
+ ae = &snp->sn_adaptation_event;
+ printf("\nSCTP_adaptation_indication bits:0x%x\n",
+ (u_int)ae->sai_adaptation_ind);
+ }
+ break;
+ case SCTP_PARTIAL_DELIVERY_EVENT:
+ {
+ struct sctp_pdapi_event *pdapi;
+ pdapi = &snp->sn_pdapi_event;
+ printf("SCTP_PD-API event:%u\n",
+ pdapi->pdapi_indication);
+ if(pdapi->pdapi_indication == 0){
+ printf("PDI- Aborted\n");
+ }
+ }
+ break;
+
+ case SCTP_SHUTDOWN_EVENT:
+ sse = &snp->sn_shutdown_event;
+ printf("SCTP_SHUTDOWN_EVENT: assoc=%xh\n",
+ (uint32_t)sse->sse_assoc_id);
+ break;
+ default:
+ printf("Unknown notification event type=%xh\n",
+ snp->sn_header.sn_type);
+ } /* end switch(snp->sn_type) */
+ if(asocDown){
+ printf("Bring association back up\n");
+ len = sizeof(to);
+ if(connect(fd,(struct sockaddr *)&to,len) == -1){
+ printf("Sorry connect fails %d\n",errno);
+ }
+ return(1);
+ }
+ return(0);
+}
+
+
+
+int
+my_sctpReadInput(int fd)
+{
+ /* receive some number of datagrams and
+ * act on them.
+ */
+ struct sctp_sndrcvinfo *s_info;
+ int sz,i,disped;
+ struct msghdr msg;
+ struct iovec iov[2];
+ unsigned char from[200];
+ char readBuffer[65535];
+ char controlVector[65535];
+
+ disped = i = 0;
+
+ s_info = NULL;
+ iov[0].iov_base = readBuffer;
+ iov[0].iov_len = sizeof(readBuffer);
+ iov[1].iov_base = NULL;
+ iov[1].iov_len = 0;
+ msg.msg_name = (caddr_t)from;
+ msg.msg_namelen = sizeof(from);
+ msg.msg_iov = iov;
+ msg.msg_iovlen = 1;
+ msg.msg_control = (caddr_t)controlVector;
+ msg.msg_controllen = sizeof(controlVector);
+ errno = 0;
+ sz = recvmsg(fd,&msg,0);
+ if(sz <= 0){
+ printf("Read returns %d errno:%d control len is %d msgflg:%x\n",
+ sz,errno,
+ msg.msg_controllen,msg.msg_flags);
+ }
+ if (msg.msg_flags & MSG_NOTIFICATION) {
+ return(my_handle_notification(fd,readBuffer));
+ }else{
+ printf("Huh, I got data?.. ignored (%d bytes)\n",sz);
+ return(0);
+ }
+}
+
+
+int
+clear_fds(int fd,int fd1)
+{
+ int felldown;
+ int max,notdone;
+ fd_set readfds,writefds,exceptfds;
+ struct timeval tv;
+ memset(&tv,0,sizeof(tv));
+ FD_ZERO(&readfds);
+ FD_ZERO(&writefds);
+ FD_ZERO(&exceptfds);
+ felldown = 0;
+ FD_SET(fd,&readfds);
+ FD_SET(fd1,&readfds);
+ if(fd > fd1){
+ max = fd + 1;
+ }else{
+ max = fd1 + 1;
+ }
+ notdone = 1;
+ while(notdone){
+ select(max,&readfds,&writefds,&exceptfds,&tv);
+ notdone = 0;
+ if(FD_ISSET(fd,&readfds)){
+ notdone++;
+ printf("clearing fd:%d\n",fd);
+ felldown += my_sctpReadInput(fd);
+ notdone = 1;
+ }
+ if(FD_ISSET(fd1,&readfds)){
+ notdone++;
+ printf("clearing fd1:%d\n",fd1);
+ felldown += my_sctpReadInput(fd1);
+ }
+ }
+ return(felldown);
+}
+
+void
+process_out_data(int fd,int fd1)
+{
+ int notdone,x,ret;
+ while(1){
+ /* Prepare the buffers */
+ prepare_buffers();
+ /* send out the 4 buffers */
+ ret = sendto(fd,buffer1,sizeof(buffer1),0,
+ (struct sockaddr *)&to,sizeof(to));
+ if(ret < sizeof(buffer1)){
+ printf("Gak1, error:%d ret:%d\n",errno,ret);
+ }
+
+ ret = sendto(fd1,buffer2,sizeof(buffer1),0,
+ (struct sockaddr *)&to,sizeof(to));
+ if(ret < sizeof(buffer2)){
+ printf("Gak2, error:%d ret:%d\n",errno,ret);
+ }
+
+
+ ret = sendto(fd,buffer3,sizeof(buffer1),0,
+ (struct sockaddr *)&to,sizeof(to));
+ if(ret < sizeof(buffer3)){
+ printf("Gak3, error:%d ret:%d\n",errno,ret);
+ }
+
+
+ ret = sendto(fd1,buffer4,sizeof(buffer1),0,
+ (struct sockaddr *)&to,sizeof(to));
+ if(ret < sizeof(buffer4)){
+ printf("Gak4, error:%d ret:%d\n",errno,ret);
+ }
+
+ /* now wait until we get a assoc failing */
+ notdone = 1;
+ while(notdone){
+ x = clear_fds(fd,fd1);
+ if(x){
+ notdone = 0;
+ }
+ sleep(1);
+ }
+ }
+}
+
+int
+main(int argc, char **argv)
+{
+ int i,fd,fd1;
+ char *addr=NULL;
+ uint16_t port=0;
+ int protocol_touse = IPPROTO_SCTP;
+ struct sctp_event_subscribe event;
+
+ while((i= getopt(argc,argv,"p:h:")) != EOF){
+ switch(i){
+ case 'h':
+ addr = optarg;
+ break;
+ case 'p':
+ port = (uint16_t)strtol(optarg,NULL,0);
+ break;
+ };
+ }
+ memset(&to,0,sizeof(to));
+ if((addr == NULL) || (port == 0)){
+ printf("Usage: %s -h addr -p port\n", argv[0]);
+ return(-1);
+ }
+ if(inet_pton(AF_INET, addr, (void *) &to.sin_addr)){
+ //to.sin_len = sizeof(to);
+ to.sin_family = AF_INET;
+ printf("port selected is %d\n",port);
+ printf("addr %x\n",(u_int)ntohl(to.sin_addr.s_addr));
+ to.sin_port = htons(port);
+ }else{
+ printf("Can't translate the address\n");
+ return(-1);
+ }
+ /**********************socket 1 *******************/
+ fd = socket(AF_INET, SOCK_SEQPACKET, protocol_touse);
+ if(fd == -1){
+ printf("can't open socket:%d\n",errno);
+ return(-1);
+ }
+ memset(&bindto,0,sizeof(bindto));
+ //len = bindto.sin_len = sizeof(bindto);
+ len = sizeof(bindto);
+ bindto.sin_family = AF_INET;
+ bindto.sin_port = 0;
+ if(bind(fd,(struct sockaddr *)&bindto, len) < 0){
+ printf("can't bind a socket:%d\n",errno);
+ close(fd);
+ return(-1);
+ }
+ if(getsockname(fd,(struct sockaddr *)&got,&len) < 0){
+ printf("get sockname failed err:%d\n",errno);
+ close(fd);
+ return(-1);
+ }
+ printf("fd uses port %d\n",ntohs(got.sin_port));
+
+ /**********************socket 2 *******************/
+ fd1 = socket(AF_INET, SOCK_SEQPACKET, protocol_touse);
+ if(fd1 == -1){
+ printf("can't open socket:%d\n",errno);
+ close(fd);
+ return(-1);
+ }
+ memset(&bindto,0,sizeof(bindto));
+ //len = bindto.sin_len = sizeof(bindto);
+ len = sizeof(bindto);
+ bindto.sin_family = AF_INET;
+ bindto.sin_port = 0;
+ if(bind(fd1,(struct sockaddr *)&bindto, len) < 0){
+ printf("can't bind a socket:%d\n",errno);
+ close(fd);
+ close(fd1);
+ return(-1);
+ }
+ if(getsockname(fd1,(struct sockaddr *)&got,&len) < 0){
+ printf("get sockname failed err:%d\n",errno);
+ close(fd);
+ close(fd1);
+ return(-1);
+ }
+ printf("fd1 uses port %d\n",ntohs(got.sin_port));
+
+ /* enable all event notifications */
+ event.sctp_data_io_event = 1;
+ event.sctp_association_event = 1;
+ event.sctp_address_event = 1;
+ event.sctp_send_failure_event = 1;
+ event.sctp_peer_error_event = 1;
+ event.sctp_shutdown_event = 1;
+ event.sctp_partial_delivery_event = 1;
+ event.sctp_adaptation_layer_event = 1;
+ if (setsockopt(fd, IPPROTO_SCTP,
+ SCTP_EVENTS, &event,
+ sizeof(event)) != 0) {
+ printf("Gak, can't set events errno:%d\n",errno);
+ exit(0);
+ }
+ if (setsockopt(fd1, IPPROTO_SCTP,
+ SCTP_EVENTS, &event,
+ sizeof(event)) != 0) {
+ printf("Gak, can't set events errno:%d\n",errno);
+ exit(0);
+ }
+
+ if(connect(fd,(struct sockaddr *)&to,len) == -1){
+ printf("Sorry connect fails %d\n",errno);
+ close(fd);
+ return(-1);
+ }
+ if(connect(fd1,(struct sockaddr *)&to,len) == -1){
+ printf("Sorry connect fails %d\n",errno);
+ close(fd);
+ return(-1);
+ }
+ printf("Connected\n");
+ clear_fds(fd,fd1);
+ process_out_data(fd,fd1);
+
+ return(0);
+}
+
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2003
+ * Copyright (c) 2003 Cisco
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * In addition:
+ *
+ * Copyright (c) 2003 Cisco
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * a) Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * b) Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the distribution.
+ *
+ * c) Neither the name of Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Randall Stewart <rrs@cisco.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+#include <ctype.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+
+#include <stdarg.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <arpa/inet.h>
+#include <time.h>
+#include <string.h>
+#include <errno.h>
+#include <poll.h>
+#include <sys/uio.h>
+#include <netdb.h>
+
+#include <netinet/sctp.h>
+#ifdef __NetBSD__
+#include <sys/inttypes.h>
+#endif
+
+#define SCTP_CRC32C_POLY 0x1EDC6F41
+#define SCTP_CRC32C(c,d) (c=(c>>8)^sctp_crc_c[(c^(d))&0xFF])
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* Copyright 2001, D. Otis. Use this program, code or tables */
+/* extracted from it, as desired without restriction. */
+/* */
+/* 32 Bit Reflected CRC table generation for SCTP. */
+/* To accommodate serial byte data being shifted out least */
+/* significant bit first, the table's 32 bit words are reflected */
+/* which flips both byte and bit MS and LS positions. The CRC */
+/* is calculated MS bits first from the perspective of the serial*/
+/* stream. The x^32 term is implied and the x^0 term may also */
+/* be shown as +1. The polynomial code used is 0x1EDC6F41. */
+/* Castagnoli93 */
+/* x^32+x^28+x^27+x^26+x^25+x^23+x^22+x^20+x^19+x^18+x^14+x^13+ */
+/* x^11+x^10+x^9+x^8+x^6+x^0 */
+/* Guy Castagnoli Stefan Braeuer and Martin Herrman */
+/* "Optimization of Cyclic Redundancy-Check Codes */
+/* with 24 and 32 Parity Bits", */
+/* IEEE Transactions on Communications, Vol.41, No.6, June 1993 */
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+static unsigned char buffer1[4100];
+static unsigned char buffer2[4100];
+static unsigned char buffer3[4100];
+static unsigned char buffer4[4100];
+static struct sockaddr_in bindto,got;
+static socklen_t len;
+
+unsigned long sctp_crc_c[256] = {
+ 0x00000000L, 0xF26B8303L, 0xE13B70F7L, 0x1350F3F4L,
+ 0xC79A971FL, 0x35F1141CL, 0x26A1E7E8L, 0xD4CA64EBL,
+ 0x8AD958CFL, 0x78B2DBCCL, 0x6BE22838L, 0x9989AB3BL,
+ 0x4D43CFD0L, 0xBF284CD3L, 0xAC78BF27L, 0x5E133C24L,
+ 0x105EC76FL, 0xE235446CL, 0xF165B798L, 0x030E349BL,
+ 0xD7C45070L, 0x25AFD373L, 0x36FF2087L, 0xC494A384L,
+ 0x9A879FA0L, 0x68EC1CA3L, 0x7BBCEF57L, 0x89D76C54L,
+ 0x5D1D08BFL, 0xAF768BBCL, 0xBC267848L, 0x4E4DFB4BL,
+ 0x20BD8EDEL, 0xD2D60DDDL, 0xC186FE29L, 0x33ED7D2AL,
+ 0xE72719C1L, 0x154C9AC2L, 0x061C6936L, 0xF477EA35L,
+ 0xAA64D611L, 0x580F5512L, 0x4B5FA6E6L, 0xB93425E5L,
+ 0x6DFE410EL, 0x9F95C20DL, 0x8CC531F9L, 0x7EAEB2FAL,
+ 0x30E349B1L, 0xC288CAB2L, 0xD1D83946L, 0x23B3BA45L,
+ 0xF779DEAEL, 0x05125DADL, 0x1642AE59L, 0xE4292D5AL,
+ 0xBA3A117EL, 0x4851927DL, 0x5B016189L, 0xA96AE28AL,
+ 0x7DA08661L, 0x8FCB0562L, 0x9C9BF696L, 0x6EF07595L,
+ 0x417B1DBCL, 0xB3109EBFL, 0xA0406D4BL, 0x522BEE48L,
+ 0x86E18AA3L, 0x748A09A0L, 0x67DAFA54L, 0x95B17957L,
+ 0xCBA24573L, 0x39C9C670L, 0x2A993584L, 0xD8F2B687L,
+ 0x0C38D26CL, 0xFE53516FL, 0xED03A29BL, 0x1F682198L,
+ 0x5125DAD3L, 0xA34E59D0L, 0xB01EAA24L, 0x42752927L,
+ 0x96BF4DCCL, 0x64D4CECFL, 0x77843D3BL, 0x85EFBE38L,
+ 0xDBFC821CL, 0x2997011FL, 0x3AC7F2EBL, 0xC8AC71E8L,
+ 0x1C661503L, 0xEE0D9600L, 0xFD5D65F4L, 0x0F36E6F7L,
+ 0x61C69362L, 0x93AD1061L, 0x80FDE395L, 0x72966096L,
+ 0xA65C047DL, 0x5437877EL, 0x4767748AL, 0xB50CF789L,
+ 0xEB1FCBADL, 0x197448AEL, 0x0A24BB5AL, 0xF84F3859L,
+ 0x2C855CB2L, 0xDEEEDFB1L, 0xCDBE2C45L, 0x3FD5AF46L,
+ 0x7198540DL, 0x83F3D70EL, 0x90A324FAL, 0x62C8A7F9L,
+ 0xB602C312L, 0x44694011L, 0x5739B3E5L, 0xA55230E6L,
+ 0xFB410CC2L, 0x092A8FC1L, 0x1A7A7C35L, 0xE811FF36L,
+ 0x3CDB9BDDL, 0xCEB018DEL, 0xDDE0EB2AL, 0x2F8B6829L,
+ 0x82F63B78L, 0x709DB87BL, 0x63CD4B8FL, 0x91A6C88CL,
+ 0x456CAC67L, 0xB7072F64L, 0xA457DC90L, 0x563C5F93L,
+ 0x082F63B7L, 0xFA44E0B4L, 0xE9141340L, 0x1B7F9043L,
+ 0xCFB5F4A8L, 0x3DDE77ABL, 0x2E8E845FL, 0xDCE5075CL,
+ 0x92A8FC17L, 0x60C37F14L, 0x73938CE0L, 0x81F80FE3L,
+ 0x55326B08L, 0xA759E80BL, 0xB4091BFFL, 0x466298FCL,
+ 0x1871A4D8L, 0xEA1A27DBL, 0xF94AD42FL, 0x0B21572CL,
+ 0xDFEB33C7L, 0x2D80B0C4L, 0x3ED04330L, 0xCCBBC033L,
+ 0xA24BB5A6L, 0x502036A5L, 0x4370C551L, 0xB11B4652L,
+ 0x65D122B9L, 0x97BAA1BAL, 0x84EA524EL, 0x7681D14DL,
+ 0x2892ED69L, 0xDAF96E6AL, 0xC9A99D9EL, 0x3BC21E9DL,
+ 0xEF087A76L, 0x1D63F975L, 0x0E330A81L, 0xFC588982L,
+ 0xB21572C9L, 0x407EF1CAL, 0x532E023EL, 0xA145813DL,
+ 0x758FE5D6L, 0x87E466D5L, 0x94B49521L, 0x66DF1622L,
+ 0x38CC2A06L, 0xCAA7A905L, 0xD9F75AF1L, 0x2B9CD9F2L,
+ 0xFF56BD19L, 0x0D3D3E1AL, 0x1E6DCDEEL, 0xEC064EEDL,
+ 0xC38D26C4L, 0x31E6A5C7L, 0x22B65633L, 0xD0DDD530L,
+ 0x0417B1DBL, 0xF67C32D8L, 0xE52CC12CL, 0x1747422FL,
+ 0x49547E0BL, 0xBB3FFD08L, 0xA86F0EFCL, 0x5A048DFFL,
+ 0x8ECEE914L, 0x7CA56A17L, 0x6FF599E3L, 0x9D9E1AE0L,
+ 0xD3D3E1ABL, 0x21B862A8L, 0x32E8915CL, 0xC083125FL,
+ 0x144976B4L, 0xE622F5B7L, 0xF5720643L, 0x07198540L,
+ 0x590AB964L, 0xAB613A67L, 0xB831C993L, 0x4A5A4A90L,
+ 0x9E902E7BL, 0x6CFBAD78L, 0x7FAB5E8CL, 0x8DC0DD8FL,
+ 0xE330A81AL, 0x115B2B19L, 0x020BD8EDL, 0xF0605BEEL,
+ 0x24AA3F05L, 0xD6C1BC06L, 0xC5914FF2L, 0x37FACCF1L,
+ 0x69E9F0D5L, 0x9B8273D6L, 0x88D28022L, 0x7AB90321L,
+ 0xAE7367CAL, 0x5C18E4C9L, 0x4F48173DL, 0xBD23943EL,
+ 0xF36E6F75L, 0x0105EC76L, 0x12551F82L, 0xE03E9C81L,
+ 0x34F4F86AL, 0xC69F7B69L, 0xD5CF889DL, 0x27A40B9EL,
+ 0x79B737BAL, 0x8BDCB4B9L, 0x988C474DL, 0x6AE7C44EL,
+ 0xBE2DA0A5L, 0x4C4623A6L, 0x5F16D052L, 0xAD7D5351L,
+};
+
+u_int32_t
+update_crc32(u_int32_t crc32,
+ unsigned char *buffer,
+ unsigned int length)
+{
+ int i;
+ for (i = 0; i < length; i++) {
+ SCTP_CRC32C(crc32, buffer[i]);
+ }
+ return (crc32);
+}
+
+u_int32_t
+sctp_csum_finalize(u_int32_t crc32)
+{
+ u_int32_t result;
+#if BYTE_ORDER == BIG_ENDIAN
+ u_int8_t byte0, byte1, byte2, byte3;
+#endif
+ /* Complement the result */
+ result = ~crc32;
+#if BYTE_ORDER == BIG_ENDIAN
+ /*
+ * For BIG-ENDIAN.. aka Motorola byte order the result is in
+ * little-endian form. So we must manually swap the bytes. Then
+ * we can call htonl() which does nothing...
+ */
+ byte0 = result & 0x000000ff;
+ byte1 = (result >> 8) & 0x000000ff;
+ byte2 = (result >> 16) & 0x000000ff;
+ byte3 = (result >> 24) & 0x000000ff;
+ result = ((byte0 << 24) |
+ (byte1 << 16) |
+ (byte2 << 8) |
+ byte3);
+ crc32 = htonl(result);
+#else
+ /*
+ * For INTEL platforms the result comes out in network order.
+ * No htonl is required or the swap above. So we optimize out
+ * both the htonl and the manual swap above.
+ */
+ crc32 = result;
+#endif
+ return (crc32);
+}
+
+int
+check_buffers(void)
+{
+ /* Prepare buffers */
+ u_int32_t temp,*csum;
+ int ret=0;
+ temp = 0xffffffff;
+ temp = update_crc32(temp,buffer1,(sizeof(buffer1)-4));
+ temp = sctp_csum_finalize(temp);
+ csum = (u_int32_t *)(buffer1+(sizeof(buffer1)-4));
+ if(*csum != temp){
+ printf("Buffer1: Found csum:%x calculated:%x\n",
+ *csum,temp);
+ ret++;
+ }
+ temp = 0xffffffff;
+ temp = update_crc32(temp,buffer2,(sizeof(buffer2)-4));
+ temp = sctp_csum_finalize(temp);
+ csum = (u_int32_t *)(buffer2+(sizeof(buffer2)-4));
+ if(*csum != temp){
+ printf("Buffer2: Found csum:%x calculated:%x\n",
+ *csum,temp);
+ ret++;
+ }
+
+ temp = 0xffffffff;
+ temp = update_crc32(temp,buffer3,(sizeof(buffer3)-4));
+ temp = sctp_csum_finalize(temp);
+ csum = (u_int32_t *)(buffer3+(sizeof(buffer3)-4));
+ if(*csum != temp){
+ printf("Buffer3: Found csum:%x calculated:%x\n",
+ *csum,temp);
+ ret++;
+ }
+
+ temp = 0xffffffff;
+ temp = update_crc32(temp,buffer4,(sizeof(buffer4)-4));
+ temp = sctp_csum_finalize(temp);
+ csum = (u_int32_t *)(buffer4+(sizeof(buffer4)-4));
+ if(*csum != temp){
+ printf("Buffer4: Found csum:%x calculated:%x\n",
+ *csum,temp);
+ ret++;
+ }
+ return(ret);
+}
+
+static int
+my_handle_notification(int fd,char *notify_buf) {
+ union sctp_notification *snp;
+ struct sctp_assoc_change *sac;
+ struct sctp_paddr_change *spc;
+ struct sctp_remote_error *sre;
+ struct sctp_send_failed *ssf;
+ struct sctp_shutdown_event *sse;
+ int asocUp;
+ char *str;
+ char buf[256];
+ struct sockaddr_in *sin;
+ struct sockaddr_in6 *sin6;
+
+ snp = (union sctp_notification *)notify_buf;
+ asocUp = 0;
+ switch(snp->sn_header.sn_type) {
+ case SCTP_ASSOC_CHANGE:
+ sac = &snp->sn_assoc_change;
+ switch(sac->sac_state) {
+
+ case SCTP_COMM_UP:
+ str = "COMMUNICATION UP";
+ asocUp++;
+ break;
+ case SCTP_COMM_LOST:
+ str = "COMMUNICATION LOST";
+ break;
+ case SCTP_RESTART:
+ str = "RESTART";
+ asocUp++;
+ break;
+ case SCTP_SHUTDOWN_COMP:
+ str = "SHUTDOWN COMPLETE";
+ break;
+ case SCTP_CANT_STR_ASSOC:
+ str = "CANT START ASSOC";
+ printf("EXIT:SCTP_ASSOC_CHANGE: %s, assoc=%xh\n", str,
+ (uint32_t)sac->sac_assoc_id);
+ exit(0);
+ break;
+ default:
+ str = "UNKNOWN";
+ } /* end switch(sac->sac_state) */
+ printf("SCTP_ASSOC_CHANGE: %s, assoc=%xh\n", str,
+ (uint32_t)sac->sac_assoc_id);
+ break;
+ case SCTP_PEER_ADDR_CHANGE:
+ spc = &snp->sn_paddr_change;
+ switch(spc->spc_state) {
+ case SCTP_ADDR_AVAILABLE:
+ str = "ADDRESS AVAILABLE";
+ break;
+ case SCTP_ADDR_UNREACHABLE:
+ str = "ADDRESS UNAVAILABLE";
+ break;
+ case SCTP_ADDR_REMOVED:
+ str = "ADDRESS REMOVED";
+ break;
+ case SCTP_ADDR_ADDED:
+ str = "ADDRESS ADDED";
+ break;
+ case SCTP_ADDR_MADE_PRIM:
+ str = "ADDRESS MADE PRIMARY";
+ break;
+ default:
+ str = "UNKNOWN";
+ } /* end switch */
+ sin6 = (struct sockaddr_in6 *)&spc->spc_aaddr;
+ if (sin6->sin6_family == AF_INET6) {
+ inet_ntop(AF_INET6, (char*)&sin6->sin6_addr, buf, sizeof(buf));
+ } else {
+ sin = (struct sockaddr_in *)&spc->spc_aaddr;
+ inet_ntop(AF_INET, (char*)&sin->sin_addr, buf, sizeof(buf));
+ }
+ printf("SCTP_PEER_ADDR_CHANGE: %s, addr=%s, assoc=%xh\n", str,
+ buf, (uint32_t)spc->spc_assoc_id);
+ break;
+ case SCTP_REMOTE_ERROR:
+ sre = &snp->sn_remote_error;
+ printf("SCTP_REMOTE_ERROR: assoc=%xh\n",
+ (uint32_t)sre->sre_assoc_id);
+ break;
+ case SCTP_SEND_FAILED:
+ ssf = &snp->sn_send_failed;
+ printf("SCTP_SEND_FAILED: assoc=%xh\n",
+ (uint32_t)ssf->ssf_assoc_id);
+ break;
+ case SCTP_ADAPTATION_INDICATION:
+ {
+ struct sctp_adaptation_event *ae;
+ ae = &snp->sn_adaptation_event;
+ printf("\nSCTP_adaptation_indication bits:0x%x\n",
+ (u_int)ae->sai_adaptation_ind);
+ }
+ break;
+ case SCTP_PARTIAL_DELIVERY_EVENT:
+ {
+ struct sctp_pdapi_event *pdapi;
+ pdapi = &snp->sn_pdapi_event;
+ printf("SCTP_PD-API event:%u\n",
+ pdapi->pdapi_indication);
+ if(pdapi->pdapi_indication == 0){
+ printf("PDI- Aborted\n");
+ }
+ }
+ break;
+
+ case SCTP_SHUTDOWN_EVENT:
+ sse = &snp->sn_shutdown_event;
+ printf("SCTP_SHUTDOWN_EVENT: assoc=%xh\n",
+ (uint32_t)sse->sse_assoc_id);
+ break;
+ default:
+ printf("Unknown notification event type=%xh\n",
+ snp->sn_header.sn_type);
+ } /* end switch(snp->sn_type) */
+ return(asocUp);
+}
+
+
+static char readBuffer[65535];
+static int sz=0;
+static char controlVector[65535];
+static struct msghdr msg;
+int
+my_sctpReadInput(int fd,int maxread)
+{
+ /* receive some number of datagrams and
+ * act on them.
+ */
+ struct sctp_sndrcvinfo *s_info;
+ int i,disped;
+
+ struct iovec iov[2];
+ unsigned char from[200];
+ disped = i = 0;
+
+ memset(&msg,0,sizeof(msg));
+ memset(controlVector,0,sizeof(controlVector));
+ memset(readBuffer,0,sizeof(readBuffer));
+ s_info = NULL;
+ iov[0].iov_base = readBuffer;
+ iov[0].iov_len = maxread;
+ iov[1].iov_base = NULL;
+ iov[1].iov_len = 0;
+ msg.msg_name = (caddr_t)from;
+ msg.msg_namelen = sizeof(from);
+ msg.msg_iov = iov;
+ msg.msg_iovlen = 1;
+ msg.msg_control = (caddr_t)controlVector;
+ msg.msg_controllen = sizeof(controlVector);
+ errno = 0;
+ sz = recvmsg(fd,&msg,0);
+ printf("Read fd:%d returns %d errno:%d control len is %d msgflg:%x\n",
+ fd,
+ sz,errno,
+ msg.msg_controllen,
+ msg.msg_flags);
+
+ if (msg.msg_flags & MSG_NOTIFICATION) {
+ printf("Got a notification\n");
+ return(my_handle_notification(fd,readBuffer));
+ }else{
+ printf("Got data\n");
+ return(-1);
+ }
+}
+
+
+int
+poll_fd(int fd)
+{
+ int cameup;
+ int max,notdone;
+ fd_set readfds,writefds,exceptfds;
+ struct timeval tv;
+ memset(&tv,0,sizeof(tv));
+ FD_ZERO(&readfds);
+ FD_ZERO(&writefds);
+ FD_ZERO(&exceptfds);
+ cameup = 0;
+ max = fd + 1;
+ notdone = 1;
+ printf("poll_fd\n");
+ FD_SET(fd,&readfds);
+ select(max,&readfds,&writefds,&exceptfds,NULL);
+ notdone = 0;
+ if(FD_ISSET(fd,&readfds)){
+ printf("Read please\n");
+ cameup += my_sctpReadInput(fd,4100);
+ }
+ return(cameup);
+}
+
+static sctp_assoc_t
+dig_out_asocid(void)
+{
+ struct sctp_sndrcvinfo *s_info;
+ struct cmsghdr *cmsg;
+ s_info = NULL;
+ if(msg.msg_controllen){
+ /* parse through and see if we find
+ * the sctp_sndrcvinfo
+ */
+ cmsg = (struct cmsghdr *)controlVector;
+ while(cmsg){
+ if(cmsg->cmsg_level == IPPROTO_SCTP){
+ if(cmsg->cmsg_type == SCTP_SNDRCV){
+ /* Got it */
+ s_info = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ break;
+ }
+ }
+ cmsg = CMSG_NXTHDR(&msg,cmsg);
+ }
+ }else{
+ printf("No CMSG?\n");
+ exit(0);
+ }
+ if(s_info == NULL){
+ printf("No sinfo?\n");
+ exit(0);
+ }
+ return(s_info->sinfo_assoc_id);
+}
+
+
+void
+process(int fd,int magic)
+{
+ int fd1,num_asoc,ret,i;
+ sctp_assoc_t asoc;
+ struct timespec ts;
+ num_asoc = 0;
+ i = 1;
+ ts.tv_sec = 0;
+ ts.tv_nsec = 10000;
+
+ while(i < 4099){
+ printf("pass %d\n",i);
+ while(num_asoc < 2){
+ ret = poll_fd(fd);
+ if(ret >0 ){
+ num_asoc += ret;
+ }else if(ret == 0){
+ sleep(1);
+ }else if(ret < 0){
+ printf("Got data? %d\n",sz);
+ sleep(1);
+ }
+ printf("asoc count is %d\n",num_asoc);
+ }
+ again:
+ printf("Reading for %d bytes from fd:%d\n",
+ i,fd);
+ my_sctpReadInput(fd,i);
+ if(sz == i){
+ memcpy(buffer1,readBuffer,i);
+ }else{
+ printf("Huh I am messed up read %d wanted %d\n",
+ sz,i);
+ goto again;
+ }
+ if(msg.msg_flags & MSG_EOR){
+ printf("Huh got EOR on paritial read?\n");
+ exit(0);
+ }
+ asoc = dig_out_asocid();
+ nanosleep(&ts,NULL);
+
+ fd1 = sctp_peeloff(fd,asoc);
+ if(fd1 == -1){
+ printf("peeloff failed %d/err:%d\n",
+ fd1,errno);
+ exit(0);
+ }
+ my_sctpReadInput(fd1,(4100-i));
+ if(sz > 0){
+ memcpy(&buffer1[i],readBuffer,sz);
+ printf("Copied %d bytes\n",sz);
+ }else{
+ printf("Huh only read %d\n",sz);
+ }
+ if(magic >= i){
+ printf("magic engaged\n");
+ my_sctpReadInput(fd,i);
+ }else{
+ my_sctpReadInput(fd,4100);
+ }
+ if(sz > 0){
+ memcpy(buffer2,readBuffer,sz);
+ printf("copied %d bytes\n",sz);
+ }else{
+ printf("Huh only read %d\n",sz);
+ }
+ my_sctpReadInput(fd1,4100);
+ if(sz > 0){
+ memcpy(buffer3,readBuffer,sz);
+ printf("copied %d bytes\n",sz);
+ }else{
+ printf("Huh only read %d\n",sz);
+ }
+ my_sctpReadInput(fd,4100);
+ if(sz > 0){
+ memcpy(buffer4,readBuffer,sz);
+ printf("copied %d bytes\n",sz);
+ }else{
+ printf("Huh only read %d\n",sz);
+ }
+ if(check_buffers()){
+ exit(0);
+ }
+ close(fd1);
+ i++;
+ num_asoc--;
+ }
+}
+
+int
+main(int argc, char **argv)
+{
+ int i,fd;
+ uint16_t myport=0;
+ int magic=0;
+ struct sctp_event_subscribe event;
+ while((i= getopt(argc,argv,"m:M:")) != EOF){
+ switch(i){
+ case 'm':
+ myport = (uint16_t)strtol(optarg,NULL,0);
+ break;
+ case 'M':
+ magic = strtol(optarg,NULL,0);
+ break;
+ };
+ }
+ /**********************socket 1 *******************/
+ fd = socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+ if(fd == -1){
+ printf("can't open socket:%d\n",errno);
+ return(-1);
+ }
+ memset(&bindto,0,sizeof(bindto));
+ //len = bindto.sin_len = sizeof(bindto);
+ len = sizeof(bindto);
+ bindto.sin_family = AF_INET;
+ printf("bind port %d\n",myport);
+ bindto.sin_port = htons(myport);
+ if(bind(fd,(struct sockaddr *)&bindto, len) < 0){
+ printf("can't bind a socket:%d\n",errno);
+ close(fd);
+ return(-1);
+ }
+ if(getsockname(fd,(struct sockaddr *)&got,&len) < 0){
+ printf("get sockname failed err:%d\n",errno);
+ close(fd);
+ return(-1);
+ }
+ printf("fd uses port %d\n",ntohs(got.sin_port));
+ listen(fd,100);
+ /* enable all event notifications */
+ event.sctp_data_io_event = 1;
+ event.sctp_association_event = 1;
+ event.sctp_address_event = 1;
+ event.sctp_send_failure_event = 1;
+ event.sctp_peer_error_event = 1;
+ event.sctp_shutdown_event = 1;
+ event.sctp_partial_delivery_event = 1;
+ event.sctp_adaptation_layer_event = 1;
+ if (setsockopt(fd, IPPROTO_SCTP,
+ SCTP_EVENTS, &event,
+ sizeof(event)) != 0) {
+ printf("Gak, can't set events errno:%d\n",errno);
+ exit(0);
+ }
+ printf("to process\n");
+ process(fd,magic);
+ return(0);
+}
+
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (c) 1999 Cisco
+ * Copyright (c) 1999, 2000, 2001 Motorola
+ * Copyright (c) 2001 Nokia
+ * Copyright (c) 2001 La Monte H.P. Yarroll
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * La Monte H.P. Yarroll <piggy@acm.org>
+ * Karl Knutson <karl@athena.chicago.il.us>
+ * Hui Huang <hui.huang@nokia.com>
+ * Daisy Chang <daisyc@us.ibm.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a userspace test application for the SCTP kernel
+ * implementation state machine. It is vaguely inspired by Stevens'
+ * program "sock".
+ *
+ * It has the limited ability to send messages and to listen for messages
+ * sent via SCTP.
+ */
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <stdlib.h>
+//#define _GNU_SOURCE
+#include <getopt.h>
+#include <netdb.h>
+
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <sys/errno.h>
+#include <sys/param.h>
+#include <sys/poll.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <net/if.h>
+#include <netinet/sctp.h>
+#include <unistd.h>
+#include <string.h>
+#include <signal.h>
+#include "sctp_darn.h"
+
+char *TCID = __FILE__;
+int TST_TOTAL = 1;
+int TST_CNT = 0;
+
+#define GEN_DATA_FIRST 0x21
+#define GEN_DATA_LAST 0x7e
+
+/* Display an IPv4 address in readable format. */
+#define NIPQUAD(addr) \
+ ((unsigned char *)&addr)[0], \
+ ((unsigned char *)&addr)[1], \
+ ((unsigned char *)&addr)[2], \
+ ((unsigned char *)&addr)[3]
+
+/* Display an IPv6 address in readable format. */
+#define NIP6(addr) \
+ ntohs((addr).s6_addr16[0]), \
+ ntohs((addr).s6_addr16[1]), \
+ ntohs((addr).s6_addr16[2]), \
+ ntohs((addr).s6_addr16[3]), \
+ ntohs((addr).s6_addr16[4]), \
+ ntohs((addr).s6_addr16[5]), \
+ ntohs((addr).s6_addr16[6]), \
+ ntohs((addr).s6_addr16[7])
+
+/* These are the global options. */
+char *local_host = NULL;
+int local_port = 0;
+char *remote_host = NULL;
+int remote_port = 0;
+command_t command = COMMAND_NONE;
+struct sockaddr *bindx_add_addrs = NULL;
+int bindx_add_count = 0;
+struct sockaddr *bindx_rem_addrs = NULL;
+int bindx_rem_count = 0;
+struct sockaddr *connectx_addrs = NULL;
+int connectx_count = 0;
+int interactive_mode = 0;
+int poll_skn = 0;
+int nonblocking = 0;
+int opt_space = 0;
+char gen_data = GEN_DATA_FIRST;
+char *inter_outbuf = NULL;
+int inter_outlen = 0;
+int inter_sk = 0;
+int poll_snd_size = 0;
+int use_poll = 0;
+int socket_type = SOCK_SEQPACKET;
+sctp_assoc_t associd = 0;
+int echo = 0;
+char *interface = "eth0";
+int if_index = 0;
+sockaddr_storage_t remote_addr;
+sa_family_t ra_family; /* What family is remote_addr? */
+int ra_len = 0; /* How long is remote_addr? */
+void *ra_raw; /* This is the addr part of remote_addr. */
+int new_connection = 1;
+
+enum inter_cmd_num {
+ INTER_SND = 0,
+ INTER_RCV,
+ INTER_SNDBUF,
+ INTER_RCVBUF,
+ INTER_BINDX_ADD,
+ INTER_BINDX_REM,
+ INTER_SET_PRIM,
+ INTER_SET_PEER_PRIM,
+ INTER_SHUTDOWN,
+ INTER_ABORT,
+ INTER_NODELAY,
+ INTER_MAXSEG
+};
+
+enum shutdown_type {
+ SHUTDOWN_ABORT = 0,
+ SHUTDOWN_SHUTDOWN
+};
+
+struct inter_entry {
+ char *cmd;
+ int cmd_num;
+};
+
+struct inter_entry inter_commands[] = {
+ {"snd", INTER_SND},
+ {"rcv", INTER_RCV},
+ {"sndbuf", INTER_SNDBUF},
+ {"rcvbuf", INTER_RCVBUF},
+ {"bindx-add", INTER_BINDX_ADD},
+ {"bindx-rem", INTER_BINDX_REM},
+ {"primary", INTER_SET_PRIM},
+ {"peer_primary", INTER_SET_PEER_PRIM},
+ {"shutdown", INTER_SHUTDOWN},
+ {"abort", INTER_ABORT},
+ {"nodelay", INTER_NODELAY},
+ {"maxseg", INTER_MAXSEG},
+ {NULL, -1},
+};
+
+#define POLL_SK_MAX 256 /* The max number of sockets to select/poll. */
+int poll_sks[POLL_SK_MAX]; /* The array for using select(). */
+struct pollfd poll_fds[POLL_SK_MAX]; /* The array for using poll(). */
+#define POLL_SND_SIZE 16384 /* Default message size in the poll mode. */
+
+
+struct sockaddr *append_addr(const char *parm, struct sockaddr *addrs,
+ int *ret_count) ;
+int build_endpoint(char *argv0, int portnum);
+static int parse_inter_commands(char *, char *, int);
+static void snd_func(char *);
+static void sndbuf_func(char *, int, int, int);
+static void rcvbuf_func(char *, int, int, int);
+static struct sockaddr *get_bindx_addr(char *, int *);
+static int bindx_func(char *, int, struct sockaddr *, int, int, int);
+static int connectx_func(char *, int, struct sockaddr *, int);
+static void primary_func(char *, int, char *, int);
+static void peer_primary_func(char *, int, char *, int);
+static int nodelay_func(char *, int, int val, int set);
+static int maxseg_func(char *, int, int val, int set);
+static int shutdown_func(char *argv0, int *skp, int shutdown_type);
+static int test_sk_for_assoc(int sk, sctp_assoc_t assoc_id);
+static char * gen_message(int);
+static sctp_assoc_t test_recv_assoc_change(int);
+static sctp_assoc_t test_verify_assoc_change(struct msghdr *);
+void print_addr_buf(void * laddrs, int n_laddrs);
+int print_sockaddr(struct sockaddr *sa_addr);
+
+int
+main(int argc, char *argv[]) {
+ int sk = -1;
+ int error = 0;
+ int i;
+
+ signal(SIGPIPE, SIG_IGN);
+
+ parse_arguments(argc, argv);
+
+ switch(command) {
+ case COMMAND_NONE:
+ fprintf(stderr, "%s: Please specify a command.\n",
+ argv[0]);
+ exit(1);
+ break;
+ case COMMAND_LISTEN:
+ sk = build_endpoint(argv[0], local_port);
+ error = command_listen(argv[0], sk);
+ break;
+ case COMMAND_SEND:
+ sk = build_endpoint(argv[0], local_port);
+ error = command_send(argv[0], &sk);
+ break;
+ case COMMAND_POLL:
+ if (use_poll) {
+ for (i = 0; i < poll_skn; i++) {
+ poll_fds[i].fd = build_endpoint(argv[0],
+ local_port + i);
+ }
+ } else {
+ for (i = 0; i < poll_skn; i++) {
+ poll_sks[i] = build_endpoint(argv[0],
+ local_port + i);
+ }
+ }
+ error = command_poll(argv[0]);
+ break;
+ default:
+ fprintf(stderr, "%s: illegal command %d\n",
+ argv[0], command);
+ exit(1);
+ }
+
+ /* Shut down the link. */
+ if (COMMAND_POLL != command) {
+ close(sk);
+ } else {
+ /* Shutdown all links. */
+ if (use_poll) {
+ for (i = 0; i < poll_skn; i++) {
+ close(poll_fds[i].fd);
+ }
+ } else {
+ for (i = 0; i < poll_skn; i++) {
+ close(poll_sks[i]);
+ }
+ }
+ }
+
+ exit(error);
+}
+
+/********************************************************************
+ * 2nd Level Abstractions
+ ********************************************************************/
+
+void
+parse_arguments(int argc, char *argv[]) {
+ int option_index = 0;
+ int c;
+ struct sockaddr *tmp_addrs = NULL;
+
+ static struct option long_options[] = {
+ {"local", 1, 0, 1},
+ {"local-port", 1, 0, 2},
+ {"remote", 1, 0, 3},
+ {"remote-port", 1, 0, 4},
+ {"listen", 0, 0, 10},
+ {"send", 0, 0, 11},
+ {"bindx-add", 1, 0, 15},
+ {"bindx-rem", 1, 0, 16},
+ {"use-poll", 0, 0, 20},
+ {"echo", 0, 0, 'e'},
+ {"interface", optional_argument, 0, 5,},
+ {"connectx", 1, 0, 17},
+ {0, 0, 0, 0}
+ };
+
+ /* Parse the arguments. */
+ while (1) {
+ c = getopt_long (argc, argv, "B:H:IP:b:h:i:p:lm:nstz:ec:",
+ long_options, &option_index);
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 0:
+ printf("option %s", long_options[option_index].name);
+ if (optarg) {
+ printf(" with arg %s", optarg);
+ }
+ printf("\n");
+ break;
+ case 1: /* local host */
+ case 'H':
+ local_host = optarg;
+ break;
+ case 2: /* local port */
+ case 'P':
+ local_port = atoi(optarg);
+ break;
+ case 3: /* remote host */
+ case 'h':
+ remote_host = optarg;
+ break;
+ case 4: /* remote port */
+ case 'p':
+ remote_port = atoi(optarg);
+ break;
+ case 5: /* interface for sin6_scope_id */
+ if (optarg)
+ interface = optarg;
+ if_index = if_nametoindex(interface);
+ if (!if_index) {
+ printf("Interface %s unknown\n", interface);
+ exit(1);
+ }
+ break;
+ /* COMMANDS */
+ case 10: /* listen */
+ case 'l':
+ if (command) {
+ fprintf(stderr,
+ "%s: pick ONE of listen or send\n",
+ argv[0]);
+ exit(1);
+ } else {
+ command = COMMAND_LISTEN;
+ }
+ break;
+
+ case 11: /* send */
+ case 's':
+ if (command) {
+ fprintf(stderr,
+ "%s: pick ONE of listen or send\n",
+ argv[0]);
+ exit(1);
+ } else {
+ command = COMMAND_SEND;
+ }
+ break;
+
+ case 15: /* bindx_add */
+ case 'B':
+ tmp_addrs =
+ append_addr(optarg, bindx_add_addrs,
+ &bindx_add_count);
+ if (NULL == tmp_addrs) {
+ /* We have no memory, so keep fprintf()
+ * from trying to allocate more.
+ */
+ fprintf(stderr, "No memory to add ");
+ fprintf(stderr, optarg);
+ fprintf(stderr, "\n");
+ exit(2);
+ }
+ bindx_add_addrs = tmp_addrs;
+
+ break;
+
+ case 16: /* bindx_rem */
+ case 'b':
+ tmp_addrs =
+ append_addr(optarg, bindx_rem_addrs,
+ &bindx_rem_count);
+ if (NULL == tmp_addrs) {
+ /* We have no memory, so keep fprintf()
+ * from trying to allocate more.
+ */
+ fprintf(stderr, "No memory to add ");
+ fprintf(stderr, optarg);
+ fprintf(stderr, "\n");
+ exit(2);
+ }
+ bindx_rem_addrs = tmp_addrs;
+ break;
+ case 17: /* connectx */
+ case 'c':
+ tmp_addrs =
+ append_addr(optarg, connectx_addrs,
+ &connectx_count);
+ if (NULL == tmp_addrs) {
+ /* We have no memory, so keep fprintf()
+ * from trying to allocate more.
+ */
+ fprintf(stderr, "No memory to add ");
+ fprintf(stderr, optarg);
+ fprintf(stderr, "\n");
+ exit(2);
+ }
+ connectx_addrs = tmp_addrs;
+ break;
+ case 20: /* use-poll */
+ use_poll = 1;
+ break;
+ case 'I':
+ interactive_mode = 1;
+ break;
+ case 'i':
+ command = COMMAND_POLL;
+ poll_skn = atoi(optarg);
+ if (poll_skn <= 0 || poll_skn > POLL_SK_MAX) {
+ fprintf(stderr, "Too many sockets for ");
+ fprintf(stderr, "for polling\n");
+ exit(2);
+ }
+ break;
+ case 'm':
+ opt_space = atoi(optarg);
+ break;
+ case 'n':
+ nonblocking = 1;
+ break;
+ case 't':
+ socket_type = SOCK_STREAM;
+ break;
+ case 'z':
+ poll_snd_size = atoi(optarg);
+ if (poll_snd_size <= 0) {
+ fprintf(stderr, "Bad message size.\n");
+ exit(2);
+ }
+ break;
+ case 'e':
+ echo = 1;
+ break;
+ case '?':
+ usage(argv[0]);
+ exit(1);
+
+ default:
+ printf ("%s: unrecognized option 0%c\n",
+ argv[0], c);
+ usage(argv[0]);
+ exit(1);
+ }
+ }
+
+ if (optind < argc)
+ {
+ fprintf(stderr, "%s: non-option arguments are illegal: ",
+ argv[0]);
+ while (optind < argc)
+ fprintf(stderr, "%s ", argv[optind++]);
+ fprintf (stderr, "\n");
+ usage(argv[0]);
+ exit(1);
+ }
+
+
+ if (NULL == local_host) {
+ fprintf(stderr, "%s: You MUST provide a local host.\n",
+ argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+
+ if (command == COMMAND_SEND && NULL == remote_host
+ && connectx_count == 0) {
+ fprintf(stderr, "%s: You MUST provide a remote host for sending.\n",
+ argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+
+ if (remote_host != NULL && connectx_count != 0) {
+ fprintf(stderr, "%s: You can not provide both -h and -c options.\n",
+ argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+} /* parse_arguments() */
+
+/* Set up the local endpoint. */
+int
+build_endpoint(char *argv0, int portnum)
+{
+ int retval;
+ struct hostent *hst;
+ sockaddr_storage_t local_addr;
+ sa_family_t la_family; /* What family is local_addr? */
+ int la_len; /* How long is local_addr? */
+ void *la_raw; /* This is the addr part of local_addr. */
+ int error;
+ struct sctp_event_subscribe subscribe;
+
+ /* Get the transport address for the local host name. */
+ hst = gethostbyname(local_host);
+ if (hst == NULL) {
+ hst = gethostbyname2(local_host, AF_INET6);
+ }
+
+ if (hst == NULL || hst->h_length < 1) {
+ fprintf(stderr, "%s: bad hostname: %s\n", argv0, local_host);
+ exit(1);
+ }
+
+ la_family = hst->h_addrtype;
+ switch (la_family) {
+ case AF_INET:
+ la_len = sizeof(local_addr.v4);
+ la_raw = &local_addr.v4.sin_addr;
+ local_addr.v4.sin_port = htons(portnum);
+ local_addr.v4.sin_family = AF_INET;
+ break;
+ case AF_INET6:
+ la_len = sizeof(local_addr.v6);
+ la_raw = &local_addr.v6.sin6_addr;
+ local_addr.v6.sin6_port = htons(portnum);
+ local_addr.v6.sin6_family = AF_INET6;
+ local_addr.v6.sin6_scope_id = if_index;
+ break;
+ default:
+ fprintf(stderr, "Invalid address type.\n");
+ exit(1);
+ break;
+ }
+ memcpy(la_raw, hst->h_addr_list[0], hst->h_length);
+
+ /* Create the local endpoint. */
+ retval = socket(la_family, socket_type, IPPROTO_SCTP);
+ if (retval < 0) {
+ fprintf(stderr, "%s: failed to create socket: %s.\n",
+ argv0, strerror(errno));
+ exit(1);
+ }
+
+ if (SOCK_SEQPACKET == socket_type) {
+ memset(&subscribe, 0, sizeof(subscribe));
+ subscribe.sctp_data_io_event = 1;
+ subscribe.sctp_association_event = 1;
+ error = setsockopt(retval, SOL_SCTP, SCTP_EVENTS,
+ (char *)&subscribe, sizeof(subscribe));
+ if (error) {
+ fprintf(stderr, "SCTP_EVENTS: error: %d\n", error);
+ exit(1);
+ }
+ }
+
+ /* Bind this socket to the test port. */
+ error = bind(retval, &local_addr.sa, la_len);
+ if (error != 0) {
+ fprintf(stderr, "%s: can not bind to %s:%d: %s.\n",
+ argv0, local_host, portnum,
+ strerror(errno));
+ exit(1);
+ }
+
+ /* Do we need to do bindx() to add any additional addresses? */
+ if (bindx_add_addrs) {
+ if (0 != bindx_func(argv0, retval, bindx_add_addrs,
+ bindx_add_count, SCTP_BINDX_ADD_ADDR, portnum)) {
+ fprintf(stderr, "bindx_func (add) failed.\n");
+ exit(1);
+ }
+ } /* if (bindx_add_addrs) */
+
+ /* Do we need to do bindx() to remove any bound addresses? */
+ if (bindx_rem_addrs) {
+ if (0 != bindx_func(argv0, retval, bindx_rem_addrs,
+ bindx_rem_count, SCTP_BINDX_REM_ADDR, portnum)) {
+ fprintf(stderr, "bindx_func (remove) failed.\n");
+ exit(1);
+ }
+ } /* if (bindx_rem_addrs) */
+
+ /* Do we want to run in the non-blocking mode? */
+ if (nonblocking) {
+ error = fcntl(retval, F_SETFL, O_NONBLOCK);
+ if (error != 0) {
+ fprintf(stderr, "%s: error fcntl: %s.\n",
+ argv0, strerror(errno));
+ exit(1);
+ }
+ }
+
+ if (opt_space) {
+ sndbuf_func(argv0, retval, opt_space, 1);
+ rcvbuf_func(argv0, retval, opt_space, 1);
+ }
+
+ return retval;
+
+} /* build_endpoint() */
+
+/* Convenience structure to determine space needed for cmsg. */
+typedef union {
+ struct sctp_initmsg init;
+ struct sctp_sndrcvinfo sndrcvinfo;
+} _sctp_cmsg_data_t;
+
+
+/* Listen on the socket, printing out anything that arrives. */
+int
+command_listen(char *argv0, int sk)
+{
+ char incmsg[CMSG_SPACE(sizeof(_sctp_cmsg_data_t))];
+ struct iovec iov;
+ struct msghdr inmessage;
+ sockaddr_storage_t msgname;
+ char message[REALLY_BIG];
+ int done = 0;
+ int error;
+ int c;
+ int recvsk = 0;
+
+ /* Mark sk as being able to accept new associations */
+ error = listen(sk, 5);
+ if (error != 0) {
+ printf("\n\n\t\tlisten Failure: %s.\n\n\n",
+ strerror(errno));
+ exit(1);
+ }
+
+ if (nonblocking) {
+ if (!interactive_mode) {
+ printf("Use -I for interactive mode with");
+ printf(" -n nonblocking\n");
+ exit(1);
+ }
+ }
+
+ /* Initialize the global value for interactive mode functions. */
+ if (interactive_mode) {
+ inter_sk = sk;
+ }
+
+ /* Initialize inmessage with enough space for DATA... */
+ memset(&inmessage, 0, sizeof(inmessage));
+ if ((iov.iov_base = malloc(REALLY_BIG)) == NULL) {
+ printf("%s: Can't allocate memory.\n", argv0);
+ exit(1);
+ }
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ /* or a control message. */
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+ inmessage.msg_name = &msgname;
+ inmessage.msg_namelen = sizeof(msgname);
+
+ printf("%s listening...\n", argv0);
+ /* Get the messages sent */
+ done = 0;
+ while (!done) {
+ if (interactive_mode) {
+ /* Read from the user. */
+ if (remote_host) {
+ printf("%s:%d-%s:%d Interactive mode> ",
+ local_host, local_port, remote_host,
+ remote_port);
+ } else {
+ printf("%s:%d-", local_host, local_port);
+ if (associd) {
+ print_sockaddr(&remote_addr.sa);
+ } else {
+ printf("?:%d", remote_port);
+ }
+ printf(" Interactive mode> ");
+ }
+ fflush(stdout);
+ if (NULL == fgets(message, REALLY_BIG, stdin)) {
+ done = 1;
+ continue;
+ }
+
+ if (0 <= (c = parse_inter_commands(argv0, message,
+ 0))) {
+ if (INTER_RCV != c) {
+ continue;
+ }
+ } else {
+ continue;
+ }
+ }
+
+ if (socket_type == SOCK_STREAM) {
+ socklen_t len = 0;
+
+ if (!recvsk) {
+ if ((recvsk = accept(sk, NULL, &len)) < 0) {
+ fprintf(stderr, "%s: error: %s.\n",
+ argv0, strerror(errno));
+ exit(1);
+ }
+ }
+
+ } else {
+ recvsk = sk;
+ }
+
+ error = recvmsg(recvsk, &inmessage, MSG_WAITALL);
+ if (error < 0) {
+ if (nonblocking && (EAGAIN == errno)) {
+ error = 0;
+ continue;
+ }
+
+ if (socket_type == SOCK_STREAM) {
+ if (ENOTCONN != errno)
+ break;
+ printf("No association is present now!!\n");
+ close(recvsk);
+ recvsk = 0;
+ continue;
+ }
+ break;
+ }
+
+ /* Update the associd when a notification is received on a
+ * UDP-style socket.
+ */
+ if (inmessage.msg_flags & MSG_NOTIFICATION)
+ associd = test_verify_assoc_change(&inmessage);
+
+ if (echo) {
+ if( !(MSG_NOTIFICATION & inmessage.msg_flags)) {
+ sendto(recvsk, inmessage.msg_iov->iov_base,
+ error, 0, (struct sockaddr *)&msgname,
+ sizeof(msgname));
+ }
+ }
+
+ test_print_message(sk, &inmessage, error);
+
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+ inmessage.msg_name = &msgname;
+ inmessage.msg_namelen = sizeof(msgname);
+ iov.iov_len = REALLY_BIG;
+
+ /* Verify that the association is no longer present. */
+ if (0 != test_sk_for_assoc(recvsk, associd)) {
+ printf("No association is present now!!\n");
+ if (socket_type == SOCK_STREAM) {
+ close(recvsk);
+ recvsk = 0;
+ }
+ }
+ }
+
+ if (error < 0) {
+ fprintf(stderr, "%s: error: %s.\n",
+ argv0, strerror(errno));
+ exit(1);
+ }
+
+ return error;
+
+} /* command_listen() */
+
+/* Read lines from stdin and send them to the socket. */
+int
+command_send(char *argv0, int *skp)
+{
+ struct msghdr outmsg;
+ struct iovec iov;
+ int done = 0;
+ char message[REALLY_BIG];
+ struct hostent *hst;
+ int c;
+ struct sockaddr *addrs;
+ int msglen;
+ int error = 0;
+ int sk = *skp;
+
+ /* Set up the destination. */
+ if (remote_host != NULL) {
+ hst = gethostbyname(remote_host);
+ if (hst == NULL) {
+ hst = gethostbyname2(remote_host, AF_INET6);
+ }
+
+ if (hst == NULL || hst->h_length < 1) {
+ fprintf(stderr, "%s: bad hostname: %s\n",
+ argv0, remote_host);
+ exit(1);
+ }
+
+ ra_family = hst->h_addrtype;
+ switch (ra_family) {
+ case AF_INET:
+ ra_len = sizeof(remote_addr.v4);
+ ra_raw = &remote_addr.v4.sin_addr;
+ remote_addr.v4.sin_port = htons(remote_port);
+ remote_addr.v4.sin_family = AF_INET;
+ break;
+ case AF_INET6:
+ ra_len = sizeof(remote_addr.v6);
+ ra_raw = &remote_addr.v6.sin6_addr;
+ remote_addr.v6.sin6_port = htons(remote_port);
+ remote_addr.v6.sin6_family = AF_INET6;
+ remote_addr.v6.sin6_scope_id = if_index;
+ break;
+ default:
+ fprintf(stderr, "Invalid address type.\n");
+ exit(1);
+ break;
+ }
+ memcpy(ra_raw, hst->h_addr_list[0], hst->h_length);
+ }
+
+ /* Initialize the global value for interactive mode functions. */
+ if (interactive_mode) {
+ inter_sk = sk;
+ }
+
+ printf("%s ready to send...\n", argv0);
+ while (!done) {
+ /* Read from the user. */
+ if (remote_host) {
+ if (interactive_mode) {
+ printf("%s:%d-%s:%d Interactive mode> ",
+ local_host, local_port, remote_host,
+ remote_port);
+ } else {
+ printf("%s:%d-%s:%d> ",
+ local_host, local_port,
+ remote_host, remote_port);
+ }
+ } else {
+ printf("%s:%d-", local_host, local_port);
+ if (associd) {
+ print_sockaddr(&remote_addr.sa);
+ } else {
+ printf("XXXXXX:%d", remote_port);
+ }
+ if (interactive_mode) {
+ printf(" Interactive mode> ");
+ } else {
+ printf("> ");
+ }
+ }
+ fflush(stdout);
+ if (NULL == fgets(message, REALLY_BIG, stdin)) {
+ done = 1;
+ continue;
+ }
+
+ if (interactive_mode) {
+ /* This is the send only agent. */
+ if (0 <= (c = parse_inter_commands(argv0, message,
+ 1))) {
+ if (INTER_SND == c) {
+ iov.iov_base = inter_outbuf;
+ msglen = inter_outlen;
+ iov.iov_len = msglen;
+
+ } else {
+ continue;
+ }
+
+ } else {
+ continue;
+ }
+ } else {
+ /* Send to our neighbor. */
+ msglen = strlen(message) + 1;
+ iov.iov_len = msglen;
+ }
+
+ /* For a UDP-style socket, verify if an existing association
+ * has gone. If so, receive the pending SCTP_ASSOC_CHANGE
+ * notification.
+ */
+ if ((SOCK_SEQPACKET == socket_type) && associd &&
+ (0 != test_sk_for_assoc(sk, associd))) {
+ associd = test_recv_assoc_change(sk);
+ printf("Old association gone, Starting a new one!\n");
+ new_connection = 1;
+ }
+
+ if (new_connection && connectx_count != 0) {
+ /* Do a sctp_connectx() to establish a connection. */
+ error = connectx_func(argv0, sk, connectx_addrs,
+ connectx_count);
+ if (0 != error) {
+ if (error == -2) {
+ printf("Connection refused\n");
+ if (SOCK_SEQPACKET == socket_type) {
+ associd = test_recv_assoc_change(sk);
+ }
+ continue;
+ }
+ fprintf(stderr, "connectx failed.\n");
+ exit(1);
+ }
+ if (SOCK_SEQPACKET == socket_type) {
+ associd = test_recv_assoc_change(sk);
+ } else {
+ associd = 1;
+ }
+ int rc = sctp_getpaddrs(sk, associd, &addrs);
+ if (0 >= rc) {
+ if (rc == 0) {
+ fprintf(stderr, "sctp_getpaddrs failed, no peers.\n");
+ } else {
+ fprintf(stderr, "sctp_getpaddrs failed %s(%d).\n", strerror(errno), errno);
+ }
+ exit(1);
+ }
+ printf("New connection, peer addresses\n");
+ print_addr_buf(addrs, rc);
+ ra_family = addrs[0].sa_family;
+ switch (ra_family) {
+ case AF_INET:
+ ra_len = sizeof(remote_addr.v4);
+ break;
+ case AF_INET6:
+ ra_len = sizeof(remote_addr.v6);
+ break;
+ default:
+ fprintf(stderr, "Invalid address type.\n");
+ exit(1);
+ }
+ memcpy(&remote_addr, &addrs[0], ra_len);
+ sctp_freepaddrs(addrs);
+ new_connection = 0;
+ }
+
+ do {
+ if (SOCK_SEQPACKET == socket_type ||
+ (connectx_count == 0 && new_connection)) {
+ /* Initialize the message struct we use to pass
+ * messages to the remote socket.
+ */
+ if (!interactive_mode) {
+ iov.iov_base = message;
+ iov.iov_len = msglen;
+ }
+ outmsg.msg_iov = &iov;
+ outmsg.msg_iovlen = 1;
+ outmsg.msg_control = NULL;
+ outmsg.msg_controllen = 0;
+ outmsg.msg_name = &remote_addr;
+ outmsg.msg_namelen = ra_len;
+
+ error = sendmsg(sk, &outmsg, 0);
+ } else {
+ error = send(sk, message, msglen, 0);
+ if (error == -1 && errno == EPIPE) {
+ error = close(sk);
+ if (error != 0) {
+ fprintf(stderr, "close failed %s\n", strerror(errno));
+ exit(1);
+ }
+ *skp = sk = build_endpoint(argv0, local_port);
+ break;
+ }
+ }
+
+ if (error != msglen) {
+ fprintf(stderr, "%s: error: %s.\n",
+ argv0, strerror(errno));
+ if (nonblocking && EAGAIN == errno) {
+ if (interactive_mode) {
+ break;
+ }
+ continue;
+ }
+ exit(1);
+ } else {
+ break;
+ }
+ } while (error != msglen);
+
+ /* If this is the first message sent over a UDP-style socket,
+ * get the associd from the SCTP_ASSOC_CHANGE notification.
+ */
+ if ((SOCK_SEQPACKET == socket_type) && (0 == associd))
+ associd = test_recv_assoc_change(sk);
+
+ /* Verify there is no association. */
+ if (0 != test_sk_for_assoc(sk, associd)) {
+ printf("No association is present now!!\n");
+ new_connection = 1;
+ } else {
+ if (new_connection) {
+ int rc = sctp_getpaddrs(sk, associd, &addrs);
+ if (0 >= rc) {
+ if (rc == 0) {
+ fprintf(stderr, "sctp_getpaddrs failed, no peers.\n");
+ } else {
+ fprintf(stderr, "sctp_getpaddrs failed %s(%d).\n", strerror(errno), errno);
+ }
+ exit(1);
+ }
+ printf("New connection, peer addresses\n");
+ print_addr_buf(addrs, rc);
+ sctp_freepaddrs(addrs);
+ new_connection = 0;
+ }
+ }
+
+ /* Clean up. */
+ if (interactive_mode) {
+ free(inter_outbuf);
+ inter_outbuf = NULL;
+ }
+ } /* while(!done) */
+
+ return error;
+
+} /* command_send() */
+
+/* Listen on the array of sockets, printing out anything that arrives. */
+int
+command_poll(char *argv0)
+{
+ char incmsg[CMSG_SPACE(sizeof(_sctp_cmsg_data_t))];
+ struct iovec iov;
+ struct msghdr inmessage;
+ int done = 0;
+ int error = 0;
+ int max_fd, i, ret;
+ int size;
+ fd_set *ibitsp = NULL;
+ fd_set *obitsp = NULL;
+ fd_set *xbitsp = NULL;
+
+ struct msghdr outmsg;
+ struct hostent *hst;
+ int msglen;
+ int temp_fd, temp_set;
+
+
+
+ /* If a remote host is specified, initialize the destination. */
+ if (remote_host) {
+ /* Set up the destination. */
+ hst = gethostbyname(remote_host);
+ if (hst == NULL) {
+ hst = gethostbyname2(remote_host, AF_INET6);
+ }
+
+ if (hst == NULL || hst->h_length < 1) {
+ fprintf(stderr, "%s: bad hostname: %s\n",
+ argv0, remote_host);
+ exit(1);
+ }
+
+ ra_family = hst->h_addrtype;
+ switch (ra_family) {
+ case AF_INET:
+ ra_len = sizeof(remote_addr.v4);
+ ra_raw = &remote_addr.v4.sin_addr;
+ remote_addr.v4.sin_port = htons(remote_port);
+ remote_addr.v4.sin_family = AF_INET;
+ break;
+ case AF_INET6:
+ ra_len = sizeof(remote_addr.v6);
+ ra_raw = &remote_addr.v6.sin6_addr;
+ remote_addr.v6.sin6_port = htons(remote_port);
+ remote_addr.v6.sin6_family = AF_INET6;
+ remote_addr.v6.sin6_scope_id = if_index;
+ break;
+ default:
+ fprintf(stderr, "Invalid address type.\n");
+ exit(1);
+ break;
+ }
+ memcpy(ra_raw, hst->h_addr_list[0], hst->h_length);
+
+ /* Initialize the message struct we use to pass messages to
+ * the remote socket.
+ */
+ outmsg.msg_iov = &iov;
+ outmsg.msg_iovlen = 1;
+ outmsg.msg_control = NULL;
+ outmsg.msg_controllen = 0;
+ outmsg.msg_name = &remote_addr;
+ outmsg.msg_namelen = ra_len;
+ }
+
+
+ max_fd = -1;
+
+ /* Set all of the sockets to be ready for listening. */
+ if (use_poll) {
+ for (i = 0; i < poll_skn; i++) {
+ error = listen(poll_fds[i].fd, 1);
+ if (error != 0) {
+ printf("%s: Listen failed on socket number ",
+ argv0);
+ printf("%d: %s.\n", i, strerror(errno));
+ exit(1);
+ }
+ }
+ printf("%s listening...\n", argv0);
+ } else {
+ for (i = 0; i < poll_skn; i++) {
+ error = listen(poll_sks[i], 1);
+ if (error != 0) {
+ printf("%s: Listen failed on socket number ",
+ argv0);
+ printf("%d: %s.\n", i, strerror(errno));
+ exit(1);
+ }
+ if (poll_sks[i] > max_fd) {
+ max_fd = poll_sks[i];
+ }
+ }
+ printf("%s listening...\n", argv0);
+
+ size = howmany(max_fd + 1, NFDBITS) * sizeof(fd_mask);
+ if ((ibitsp = (fd_set *)malloc(size)) == NULL) {
+ printf("%s: Can't allocate memory.\n", argv0);
+ exit(1);
+ }
+ if ((obitsp = (fd_set *)malloc(size)) == NULL) {
+ printf("%s: Can't allocate memory.\n", argv0);
+ exit(1);
+ }
+ if ((xbitsp = (fd_set *)malloc(size)) == NULL) {
+ printf("%s: Can't allocate memory.\n", argv0);
+ exit(1);
+ }
+ memset(ibitsp, 0, size);
+ memset(obitsp, 0, size);
+ memset(xbitsp, 0, size);
+ }
+
+
+ /* Initialize inmessage with enough space for DATA... */
+ memset(&inmessage, 0, sizeof(inmessage));
+ if ((iov.iov_base = malloc(REALLY_BIG)) == NULL) {
+ printf("%s: Can't allocate memory.\n", argv0);
+ exit(1);
+ }
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ /* or a control message. */
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+
+ done = 0;
+ /* Set the default send message size. */
+ if (!poll_snd_size) {
+ poll_snd_size = POLL_SND_SIZE;
+ }
+
+ while (!done) {
+
+ if (use_poll) {
+ for (i = 0; i < poll_skn; i++) {
+ poll_fds[i].events = POLLIN;
+ }
+ if (remote_host) {
+ /* Poll output on the first socket. */
+ poll_fds[0].events |= POLLOUT;
+ }
+
+ if ((ret = poll(poll_fds, poll_skn, -1))) {
+ if (ret == -1) {
+ break;
+ }
+ }
+ } else {
+ for (i = 0; i < poll_skn; i++) {
+ FD_SET(poll_sks[i], ibitsp);
+ FD_SET(poll_sks[i], xbitsp);
+ }
+ if (remote_host) {
+ /* Only select output on the first socket. */
+ FD_SET(poll_sks[0], obitsp);
+ }
+
+
+ if ((ret = select(max_fd + 1, ibitsp, obitsp, xbitsp,
+ (struct timeval *)0)) < 0) {
+ if (ret == -1) {
+ break;
+ }
+ }
+
+ }
+
+ if (remote_host) {
+ if (use_poll) {
+ temp_set = poll_fds[0].revents & POLLOUT;
+ temp_fd = poll_fds[0].fd;
+ } else {
+ temp_set = FD_ISSET(poll_sks[0], obitsp);
+ temp_fd = poll_sks[0];
+ }
+
+ if (temp_set) {
+ inter_outbuf = gen_message(poll_snd_size);
+ if (!inter_outbuf) {
+ fprintf(stderr,
+ "Cannot allocate out message.\n");
+ exit(1);
+ }
+ iov.iov_base = inter_outbuf;
+ msglen = poll_snd_size;
+ iov.iov_len = msglen;
+
+ error = sendmsg(temp_fd, &outmsg, 0);
+ fprintf(stderr,
+ "sent a message, msglen = %d\n",
+ msglen);
+
+ if (error != msglen) {
+ fprintf(stderr, "%s: error: %s.\n",
+ argv0, strerror(errno));
+ if ((!nonblocking) ||
+ (EAGAIN != errno)) {
+ exit(1);
+ }
+ }
+
+ /* Clean up. */
+ free(inter_outbuf);
+ inter_outbuf = NULL;
+ }
+
+ } /* while(!done) */
+
+ for (i = 0; !done && (i < poll_skn); i++) {
+ if (use_poll) {
+ temp_set = poll_fds[i].revents & POLLIN;
+ temp_fd = poll_fds[i].fd;
+ } else {
+ temp_set = FD_ISSET(poll_sks[i], ibitsp);
+ temp_fd = poll_sks[i];
+ }
+ if (temp_set) {
+ error = recvmsg(temp_fd, &inmessage,
+ MSG_WAITALL);
+ if (error < 0) {
+ if ((EAGAIN == errno)) {
+ error = 0;
+ continue;
+ }
+ else {
+ fprintf(stderr,
+ "%s: error: %s.\n",
+ argv0,
+ strerror(errno));
+ exit(1);
+ }
+ }
+ test_print_message(temp_fd, &inmessage, error);
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+ iov.iov_len = REALLY_BIG;
+ }
+
+ /* Update the associd when a notification is received
+ * on a UDP-style socket.
+ */
+ if (inmessage.msg_flags & MSG_NOTIFICATION)
+ associd = test_verify_assoc_change(&inmessage);
+
+ /* Verify there is no association. */
+ if (0 != test_sk_for_assoc(poll_sks[i], associd)) {
+ printf("No association is present in sk "
+ "No.%d now!!\n",i);
+ }
+ }
+
+ }
+
+ if (!use_poll) {
+ free(ibitsp);
+ free(obitsp);
+ free(xbitsp);
+ }
+
+ return error;
+
+} /* command_poll() */
+
+/********************************************************************
+ * 3rd Level Abstractions
+ ********************************************************************/
+
+#define FPS(arg) fprintf(stderr, arg)
+
+void
+usage(char *argv0)
+{
+ /*
+ * The bindx options, --bindx-add and --bindx-rem, are added to
+ *
+ * 1. provide first testcases for the new bindx system call
+ *
+ * 2. continue to grow sctp_darn with more functions and
+ * features so it will be equivalent to the "sock" tool for
+ * TCP as for SCTP.
+ *
+ * FIXME -
+ *
+ * It is not very effective to use these two options in the
+ * current command line mode of sctp_darn. For example, the
+ * --bindx-rem option can only be used in conjunction with the
+ * --bindx-add simply to test the function in the kernel
+ * path. Ideally, bindx needs to be tested by a tool which
+ * provides an interactive mode for users to change parameters
+ * and configuration dynamically with existing endpoints and
+ * associations.
+ */
+ fprintf(stderr, "Usage: %s -H <localhost> -P <localport> "
+ "[-h <remotehost>] [-p <remoteport>] -l|s\n"
+ " -H, --local\t\tspecify one of the local addresses,\n"
+ " -P, --local-port\tspecify the port number for local addresses,\n"
+ " -h, --remote\t\tspecify the peer address,\n"
+ " -p, --remote-port\tspecify the port number for the peer address,\n"
+ " -l, --listen\t\tprint messages received from the peer,\n"
+ " -s, --send\t\tsend messages to the peer,\n"
+ " -B, --bindx-add"
+ "\tadd the specified address(es) as additional bind\n"
+ "\t\t\taddresses to the local socket. Multiple addresses can\n"
+ "\t\t\tbe specified by using this argument multiple times.\n"
+ "\t\t\tFor example, '-B 10.0.0.1 -B 20.0.0.2'.\n"
+ " -b, --bindx-rem"
+ "\tremove the specified address(es) from the bind\n"
+ "\t\t\taddresses of the local socket. Multiple addresses can\n"
+ "\t\t\tbe specified by using this argument multiple times.\n"
+ "\t\t\tFor example, '-b 10.0.0.1 -b 20.0.0.2'.\n"
+ " -c, --connectx"
+ "\t\tuse the specified address(es) for connection to the\n"
+ "\t\t\tpeer socket. Multiple addresses can be specified by\n"
+ "\t\t\tusing this argument multiple times.\n"
+ "\t\t\tFor example, '-c 10.0.0.1 -c 20.0.0.2'.\n"
+ "\t\t\tThis option is incompatible with the -h option.\n"
+ " -I\t\t\tuse the interactive mode.\n"
+ " -i\t\t\tsetup the specified number of endpoints by using the\n"
+ "\t\t\tspecified local host (-H) and local port (-P). The port\n"
+ "\t\t\tnumber will be incremented by one for each additional\n"
+ "\t\t\tendpoint. All of these endpoints will be listening.\n"
+ "\t\t\tIf a remote host (-h) and a remote port are also\n"
+ "\t\t\tspecified, the first endpoint will start sending fixed\n"
+ "\t\t\tsized messages to the remote host.\n"
+ " -m\t\t\tspecify the sockopt sndbuf/rcvbuf size.\n"
+ " -n\t\t\tset the socket(s) to be in the non-blocking mode.\n"
+ "\t\t\tcollect messages from stdin and deliver them to the\n"
+ "\t\t\tpeer,\n"
+ "--use-poll\t\tuse system call poll() for polling among the\n"
+ "\t\t\tnumber of endpoints specified by the -i option. Without\n"
+ "\t\t\tthis option, select() would be used as default.\n"
+ " -t\t\t\tuse SOCK_STREAM tcp-style sockets.\n"
+ " -z\t\t\tspecify the message size to be sent. The default\n"
+ "\t\t\tmessage size generated would be 16K.\n"
+ " --interface=\"ifname\"\tselect interface for sin6_scope_id.\n",
+ argv0);
+}
+
+
+/* This function checks messages to see if they are of type 'event'
+ * and if they are well-formed.
+ */
+int
+user_test_check_message(struct msghdr *msg,
+ int controllen,
+ sctp_cmsg_t event)
+{
+
+
+ if (msg->msg_controllen != controllen) {
+ fprintf(stderr,
+ "Got control structure of length %d, not %d\n",
+ msg->msg_controllen, controllen);
+ exit(1);
+ }
+ if (controllen > 0 && event != CMSG_FIRSTHDR(msg)->cmsg_type) {
+ fprintf(stderr, "Wrong kind of event: %d, not %d\n",
+ CMSG_FIRSTHDR(msg)->cmsg_type, event);
+ exit(1);
+ }
+
+ return 1;
+
+} /* user_test_check_message() */
+
+/* Add another address represented as the string 'parm' to the list
+ * addrs. The argument count is the number of addrs on input and is
+ * adjusted for output.
+ */
+struct sockaddr *
+append_addr(const char *parm, struct sockaddr *addrs, int *ret_count)
+{
+ struct sockaddr *new_addrs = NULL;
+ void *aptr;
+ struct sockaddr *sa_addr;
+ struct sockaddr_in *b4ap;
+ struct sockaddr_in6 *b6ap;
+ struct hostent *hst4 = NULL;
+ struct hostent *hst6 = NULL;
+ int i4 = 0;
+ int i6 = 0;
+ int j;
+ int orig_count = *ret_count;
+ int count = orig_count;
+
+
+ /* Get the entries for this host. */
+ hst4 = gethostbyname(parm);
+ hst6 = gethostbyname2(parm, AF_INET6);
+
+ if ((NULL == hst4 || hst4->h_length < 1)
+ && (NULL == hst6 || hst6->h_length < 1)) {
+ fprintf(stderr, "bad hostname: %s\n", parm);
+ goto finally;
+ }
+
+
+ /* Figure out the number of addresses. */
+ if (NULL != hst4) {
+ for (i4 = 0; NULL != hst4->h_addr_list[i4]; ++i4) {
+ count++;
+ }
+ }
+ if (NULL != hst6) {
+ for (i6 = 0; NULL != hst6->h_addr_list[i6]; ++i6) {
+ count++;
+ }
+ }
+
+ /* Expand memory for the new addresses. Assume all the addresses
+ * are v6 addresses.
+ */
+ new_addrs = (struct sockaddr *)
+ realloc(addrs, sizeof(struct sockaddr_in6) * count);
+
+ if (NULL == new_addrs) {
+ count = *ret_count;
+ goto finally;
+ }
+
+ /* Skip the existing addresses. */
+ aptr = new_addrs;
+ for (j = 0; j < orig_count; j++) {
+ sa_addr = (struct sockaddr *)aptr;
+ switch(sa_addr->sa_family) {
+ case AF_INET:
+ aptr += sizeof(struct sockaddr_in);
+ break;
+ case AF_INET6:
+ aptr += sizeof(struct sockaddr_in6);
+ break;
+ default:
+ count = orig_count;
+ goto finally;
+ }
+ }
+
+ /* Put the new addresses away. */
+ if (NULL != hst4) {
+ for (j = 0; j < i4; ++j) {
+ b4ap = (struct sockaddr_in *)aptr;
+ bzero(b4ap, sizeof(*b4ap));
+ b4ap->sin_family = AF_INET;
+ b4ap->sin_port = htons(local_port);
+ bcopy(hst4->h_addr_list[j], &b4ap->sin_addr,
+ hst4->h_length);
+
+ aptr += sizeof(struct sockaddr_in);
+ } /* for (loop through the new v4 addresses) */
+ }
+
+ if (NULL != hst6) {
+ for (j = 0; j < i6; ++j) {
+ b6ap = (struct sockaddr_in6 *)aptr;
+ bzero(b6ap, sizeof(*b6ap));
+ b6ap->sin6_family = AF_INET6;
+ b6ap->sin6_port = htons(local_port);
+ b6ap->sin6_scope_id = if_index;
+ bcopy(hst6->h_addr_list[j], &b6ap->sin6_addr,
+ hst6->h_length);
+
+ aptr += sizeof(struct sockaddr_in6);
+ } /* for (loop through the new v6 addresses) */
+ }
+
+ finally:
+
+ *ret_count = count;
+
+ return new_addrs;
+
+} /* append_addr() */
+
+static int
+parse_inter_commands(char *argv0, char *input, int snd_only)
+{
+ int i;
+ char *p;
+ int len;
+ int set = 0;
+ int val;
+ struct sockaddr *tmp_addrs = NULL;
+
+
+ p = input;
+ if (*p == '?' || *p == '\n') {
+ printf("Interactive commands:\n");
+ printf("snd=<int> - Do a sendmsg with the specified");
+ printf(" length.\n");
+ printf("rcv=<int> - Do a recvmsg.");
+ printf("The length is ignored for now.\n");
+ printf("bindx-add=<addr> - Add a local address");
+ printf(" with bindx. \n");
+ printf("bindx-rem=<addr> - Remove a local address");
+ printf(" with bindx. \n");
+ printf("rcvbuf=<int> - Get/Set receive buffer size\n");
+ printf("sndbuf=<int> - Get/Set send buffer size.\n");
+ printf("primary=<addr> - Get/Set association's primary\n");
+ printf("peer_primary=addr- Set association's peer_primary\n");
+ printf("maxseg=<int> - Get/Set Maximum fragment size.\n");
+ printf("nodelay=<0|1> - Get/Set NODELAY option.\n");
+ printf("shutdown - Shutdown the association.\n");
+ printf("abort - Abort the association.\n");
+ printf("? - Help. Display this message.\n");
+ return -1;
+ }
+
+ for (i = 0; i < REALLY_BIG; i++) {
+ if (('=' == *p) ||
+ ('?' == *p) ||
+ ('\n' == *p)) {
+ if ('=' == *p) {
+ set = 1;
+ }
+ *p++ = '\0';
+ break;
+ }
+ p++;
+ }
+ if (i >= REALLY_BIG) {
+ printf("Invalid input.\n");
+ return -1;
+ }
+
+ i = 0;
+ while (NULL != inter_commands[i].cmd) {
+ if (!strcmp(input, inter_commands[i].cmd)) {
+ switch (i) {
+ case INTER_SND:
+ if (snd_only) {
+ if (*p < '0' || *p > '9') {
+ goto err_input;
+ }
+ snd_func(p);
+ } else {
+ goto err_input;
+ }
+ break;
+ case INTER_RCV:
+ if (snd_only) {
+ goto err_input;
+ }
+ break;
+ case INTER_SNDBUF:
+ if (set) {
+ if (*p < '0' || *p > '9') {
+ goto err_input;
+ }
+ }
+ len = (set) ? atoi(p) : 0;
+ sndbuf_func(argv0, inter_sk, len, set);
+ break;
+ case INTER_RCVBUF:
+ if (set) {
+ if (*p < '0' || *p > '9') {
+ goto err_input;
+ }
+ }
+ len = (set) ? atoi(p) : 0;
+ rcvbuf_func(argv0, inter_sk, len, set);
+ break;
+ case INTER_BINDX_ADD:
+ tmp_addrs = get_bindx_addr(p, &len);
+ bindx_func(argv0, inter_sk, tmp_addrs, len,
+ SCTP_BINDX_ADD_ADDR, local_port);
+ free(tmp_addrs);
+ break;
+ case INTER_BINDX_REM:
+ tmp_addrs = get_bindx_addr(p, &len);
+ bindx_func(argv0, inter_sk, tmp_addrs, len,
+ SCTP_BINDX_REM_ADDR, local_port);
+ free(tmp_addrs);
+ break;
+ case INTER_SET_PRIM:
+ primary_func(argv0, inter_sk, p, set);
+ break;
+ case INTER_SET_PEER_PRIM:
+ peer_primary_func(argv0, inter_sk, p, set);
+ break;
+ case INTER_SHUTDOWN:
+ shutdown_func(argv0, &inter_sk, SHUTDOWN_SHUTDOWN);
+ break;
+ case INTER_ABORT:
+ shutdown_func(argv0, &inter_sk, SHUTDOWN_ABORT);
+ break;
+ case INTER_NODELAY:
+ if (set) {
+ if (*p < '0' || *p > '9') {
+ goto err_input;
+ }
+ }
+ val = (set) ? atoi(p) : 0;
+ nodelay_func(argv0, inter_sk, val, set);
+ break;
+ case INTER_MAXSEG:
+ if (set) {
+ if (*p < '0' || *p > '9') {
+ goto err_input;
+ }
+ }
+ val = (set) ? atoi(p) : 0;
+ maxseg_func(argv0, inter_sk, val, set);
+ break;
+ default:
+ goto err_input;
+ break;
+ }
+
+ return i;
+ }
+ i++;
+ }
+
+err_input:
+ printf("Invalid input.\n");
+ return -1;
+
+} /* parse_inter_commands() */
+
+static char *
+gen_message(int len)
+{
+
+ char *buf;
+ char *p;
+ int i;
+
+ buf = malloc(len);
+
+ if (NULL != buf) {
+ for (i = 0, p = buf; i < len; i++, p++) {
+ if (gen_data > GEN_DATA_LAST) {
+ gen_data = GEN_DATA_FIRST;
+ }
+ *p = gen_data++;
+ }
+ }
+
+ return(buf);
+
+} /* gen_message() */
+
+static void
+snd_func(char *input)
+{
+
+ int len;
+
+ len = atoi(input);
+ if (!(inter_outbuf = gen_message(len))) {
+ fprintf(stderr, "Cannot allocate out message.\n");
+ exit(1);
+ }
+ inter_outlen = len;
+
+} /* snd_func() */
+
+static void
+sndbuf_func(char *argv0, int sk, int len, int set)
+{
+ int error;
+ socklen_t optlen;
+
+ if (set) {
+ error = setsockopt(sk, SOL_SOCKET, SO_SNDBUF,
+ (char *)&len, sizeof(len));
+ } else {
+ optlen = sizeof(len);
+ error = getsockopt(sk, SOL_SOCKET, SO_SNDBUF,
+ (char *)&len, &optlen);
+ }
+ if (error != 0) {
+ fprintf(stderr, "%s: Error setting/getting sndbuf: %s.\n",
+ argv0, strerror(errno));
+ exit(1);
+ }
+
+ if (!set) {
+ printf("sndbuf is %d.\n", len);
+ }
+
+} /* sndbuf_func() */
+
+static void
+rcvbuf_func(char *argv0, int sk, int len, int set)
+{
+ int error;
+ socklen_t optlen;
+
+ if (set) {
+ error = setsockopt(sk, SOL_SOCKET, SO_RCVBUF,
+ (char *)&len, sizeof(len));
+ } else {
+ optlen = sizeof(len);
+ error = getsockopt(sk, SOL_SOCKET, SO_RCVBUF,
+ (char *)&len, &optlen);
+ }
+ if (error != 0) {
+ fprintf(stderr, "%s: Error setting/getting rcvbuf: %s.\n",
+ argv0, strerror(errno));
+ exit(1);
+ }
+
+ if (!set) {
+ printf("rcvbuf is %d.\n", len);
+ }
+
+} /* rcvbuf_func() */
+
+
+static struct sockaddr *
+get_bindx_addr(char *in, int *count)
+{
+
+ struct sockaddr *tmp_addrs = NULL;
+ char *p = in;
+
+ /* Set the buffer for address parsing. */
+ while ('\n' != *p) {
+ p++;
+ }
+ *p = '\0';
+
+ *count = 0;
+
+ tmp_addrs = append_addr(in, tmp_addrs, count);
+ if (NULL == tmp_addrs) {
+ /* We have no memory, so keep fprintf()
+ * from trying to allocate more.
+ */
+ fprintf(stderr, "No memory to add ");
+ fprintf(stderr, in);
+ fprintf(stderr, "\n");
+ exit(2);
+ }
+ return tmp_addrs;
+
+} /* get_bindx_addr() */
+
+static int
+bindx_func(char *argv0, int sk, struct sockaddr *addrs, int count, int flag, int portnum)
+{
+
+ int error;
+ int i;
+ struct sockaddr *sa_addr;
+ void *aptr;
+
+
+ if (0 == portnum) {
+ fprintf(stderr, "%s: A non-0 local port number is ", argv0);
+ fprintf(stderr, "required for bindx to work!\n");
+ return -1 ;
+ }
+
+ /* Set the port in every address. */
+ aptr = addrs;
+ for (i = 0; i < count; i++) {
+ sa_addr = (struct sockaddr *)aptr;
+
+ switch(sa_addr->sa_family) {
+ case AF_INET:
+ ((struct sockaddr_in *)sa_addr)->sin_port =
+ htons(portnum);
+ aptr += sizeof(struct sockaddr_in);
+ break;
+ case AF_INET6:
+ ((struct sockaddr_in6 *)sa_addr)->sin6_port =
+ htons(portnum);
+ aptr += sizeof(struct sockaddr_in6);
+ break;
+ default:
+ fprintf(stderr, "Invalid address family\n");
+ return -1;
+ }
+ }
+
+ error = sctp_bindx(sk, addrs, count, flag);
+
+ if (error != 0) {
+ if (flag == SCTP_BINDX_ADD_ADDR) {
+ fprintf(stderr, "%s: error adding addrs: %s.\n",
+ argv0, strerror(errno));
+ return -1;
+ } else {
+ fprintf(stderr, "%s: error removing addrs: %s.\n",
+ argv0, strerror(errno));
+ return -1;
+ }
+ }
+
+ return 0;
+
+} /* bindx_func() */
+
+static int
+connectx_func(char *argv0, int sk, struct sockaddr *addrs, int count)
+{
+
+ int error;
+ int i;
+ struct sockaddr *sa_addr;
+ void *aptr;
+
+
+ if (0 == remote_port) {
+ fprintf(stderr, "%s: A non-0 remote port number is ", argv0);
+ fprintf(stderr, "required for connectx to work!\n");
+ return -1 ;
+ }
+
+ /* Set the port in every address. */
+ aptr = addrs;
+ for (i = 0; i < count; i++) {
+ sa_addr = (struct sockaddr *)aptr;
+
+ switch(sa_addr->sa_family) {
+ case AF_INET:
+ ((struct sockaddr_in *)sa_addr)->sin_port =
+ htons(remote_port);
+ aptr += sizeof(struct sockaddr_in);
+ break;
+ case AF_INET6:
+ ((struct sockaddr_in6 *)sa_addr)->sin6_port =
+ htons(remote_port);
+ aptr += sizeof(struct sockaddr_in6);
+ break;
+ default:
+ fprintf(stderr, "Invalid address family\n");
+ return -1;
+ }
+ }
+
+ error = sctp_connectx(sk, addrs, count, NULL);
+
+ if (error != 0) {
+ if (errno == ECONNREFUSED)
+ return -2;
+ fprintf(stderr, "%s: error connecting to addrs: %s.\n",
+ argv0, strerror(errno));
+ return -1;
+ }
+
+ return 0;
+
+} /* connectx_func() */
+
+static void
+primary_func(char *argv0, int sk, char *cp, int set)
+{
+ struct sctp_prim prim;
+ struct sockaddr_in *in_addr;
+ struct sockaddr_in6 *in6_addr;
+ struct sockaddr *saddr;
+ socklen_t prim_len;
+ int ret;
+ char *p = cp;
+ char addr_buf[INET6_ADDRSTRLEN];
+ const char *ap = NULL;
+
+ prim_len = sizeof(struct sctp_prim);
+ if (!set) {
+ prim.ssp_assoc_id = associd;
+ ret = getsockopt(sk, IPPROTO_SCTP, SCTP_PRIMARY_ADDR,
+ &prim, &prim_len);
+ if (ret < 0)
+ goto err;
+
+ saddr = (struct sockaddr *)&prim.ssp_addr;
+ if (AF_INET == saddr->sa_family) {
+ in_addr = (struct sockaddr_in *)&prim.ssp_addr;
+ ap = inet_ntop(AF_INET, &in_addr->sin_addr, addr_buf,
+ INET6_ADDRSTRLEN);
+ } else if (AF_INET6 == saddr->sa_family) {
+ in6_addr = (struct sockaddr_in6 *)&prim.ssp_addr;
+ ap = inet_ntop(AF_INET6, &in6_addr->sin6_addr, addr_buf,
+ INET6_ADDRSTRLEN);
+ }
+ if (!ap)
+ goto err;
+ printf("%s\n", ap);
+ return;
+ }
+
+ /* Set the buffer for address parsing. */
+ while ('\n' != *p)
+ p++;
+ *p = '\0';
+
+ prim.ssp_assoc_id = associd;
+ if (strchr(cp, '.')) {
+ in_addr = (struct sockaddr_in *)&prim.ssp_addr;
+ in_addr->sin_port = htons(remote_port);
+ in_addr->sin_family = AF_INET;
+ ret = inet_pton (AF_INET, cp, &in_addr->sin_addr);
+ if (ret <= 0)
+ goto err;
+ } else if (strchr(cp, ':')) {
+ in6_addr = (struct sockaddr_in6 *)&prim.ssp_addr;
+ in6_addr->sin6_port = htons(remote_port);
+ in6_addr->sin6_family = AF_INET6;
+ ret = inet_pton(AF_INET6, cp, &in6_addr->sin6_addr);
+ if (ret <= 0)
+ goto err;
+ } else
+ goto err;
+
+ ret = setsockopt(sk, IPPROTO_SCTP, SCTP_PRIMARY_ADDR,
+ &prim, sizeof(struct sctp_prim));
+ if (ret < 0)
+ goto err;
+
+ return;
+err:
+ if (!errno)
+ errno = EINVAL;
+ fprintf(stderr, "%s: error %s primary: %s.\n", argv0,
+ (set)?"setting":"getting", strerror(errno));
+}
+
+static void
+peer_primary_func(char *argv0, int sk, char *cp, int set)
+{
+ struct sctp_setpeerprim setpeerprim;
+ struct sockaddr_in *in_addr;
+ struct sockaddr_in6 *in6_addr;
+ int peer_prim_len, ret;
+ char *p = cp;
+
+ if (!set) {
+ goto err;
+ }
+
+ peer_prim_len = sizeof(struct sctp_setpeerprim);
+ /* Set the buffer for address parsing. */
+ while ('\n' != *p)
+ p++;
+ *p = '\0';
+
+ setpeerprim.sspp_assoc_id = associd;
+ if (strchr(cp, '.')) {
+ in_addr = (struct sockaddr_in *)&setpeerprim.sspp_addr;
+ in_addr->sin_port = htons(local_port);
+ in_addr->sin_family = AF_INET;
+ ret = inet_pton (AF_INET, cp, &in_addr->sin_addr);
+ if (ret <= 0)
+ goto err;
+ } else if (strchr(cp, ':')) {
+ in6_addr = (struct sockaddr_in6 *)&setpeerprim.sspp_addr;
+ in6_addr->sin6_port = htons(local_port);
+ in6_addr->sin6_family = AF_INET6;
+ ret = inet_pton(AF_INET6, cp, &in6_addr->sin6_addr);
+ if (ret <= 0)
+ goto err;
+ } else
+ goto err;
+
+ ret = setsockopt(sk, IPPROTO_SCTP, SCTP_SET_PEER_PRIMARY_ADDR,
+ &setpeerprim, sizeof(struct sctp_setpeerprim));
+ if (ret < 0)
+ goto err;
+
+ return;
+err:
+ if (!errno)
+ errno = EINVAL;
+ fprintf(stderr, "%s: error %s peer_primary: %s.\n", argv0,
+ (set)?"setting":"getting", strerror(errno));
+}
+
+static int
+nodelay_func(char *argv0, int sk, int val, int set)
+{
+ socklen_t optlen;
+ int error;
+
+ if (set) {
+ error = setsockopt(sk, SOL_SCTP, SCTP_NODELAY,
+ (char *)&val, sizeof(val));
+ } else {
+ optlen = sizeof(val);
+ error = getsockopt(sk, SOL_SCTP, SCTP_NODELAY,
+ (char *)&val, &optlen);
+ }
+ if (error != 0) {
+ fprintf(stderr, "%s: Error setting/getting nodelay: %s.\n",
+ argv0, strerror(errno));
+ exit(1);
+ }
+
+ if (!set) {
+ printf("nodelay is %d.\n", val);
+ }
+
+ return error;
+}
+
+static int
+maxseg_func(char *argv0, int sk, int val, int set)
+{
+ socklen_t optlen;
+ int error;
+
+ if (set) {
+ error = setsockopt(sk, SOL_SCTP, SCTP_MAXSEG,
+ (char *)&val, sizeof(val));
+ } else {
+ optlen = sizeof(val);
+ error = getsockopt(sk, SOL_SCTP, SCTP_MAXSEG,
+ (char *)&val, &optlen);
+ }
+ if (error != 0) {
+ fprintf(stderr, "%s: Error setting/getting maxseg: %s.\n",
+ argv0, strerror(errno));
+ exit(1);
+ }
+
+ if (!set) {
+ printf("maxseg is %d.\n", val);
+ }
+
+ return error;
+}
+
+static int
+shutdown_func(char *argv0, int *skp, int shutdown_type)
+{
+ struct msghdr outmessage;
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ int error=0, bytes_sent;
+ struct sctp_sndrcvinfo *sinfo;
+ struct hostent *hst;
+ char *sd_type;
+ int sk = *skp;
+
+ if (shutdown_type == SHUTDOWN_ABORT)
+ sd_type = "ABORT";
+ else
+ sd_type = "SHUTDOWN";
+
+ /* Verify that the association is present. */
+ error = test_sk_for_assoc(sk, associd);
+ if (error != 0) {
+ printf("The association isn't present yet! Cannot %s!\n", sd_type);
+ return -1;
+ }
+
+ if (socket_type == SOCK_SEQPACKET) {
+ /* Set up the destination. */
+ if (remote_host) {
+ hst = gethostbyname(remote_host);
+ if (hst == NULL) {
+ hst = gethostbyname2(remote_host, AF_INET6);
+ }
+
+ if (hst == NULL || hst->h_length < 1) {
+ fprintf(stderr, "%s: bad hostname: %s\n",
+ argv0, remote_host);
+ exit(1);
+ }
+
+ ra_family = hst->h_addrtype;
+ switch (ra_family) {
+ case AF_INET:
+ ra_len = sizeof(remote_addr.v4);
+ ra_raw = &remote_addr.v4.sin_addr;
+ remote_addr.v4.sin_port = htons(remote_port);
+ remote_addr.v4.sin_family = AF_INET;
+ break;
+ case AF_INET6:
+ ra_len = sizeof(remote_addr.v6);
+ ra_raw = &remote_addr.v6.sin6_addr;
+ remote_addr.v6.sin6_port = htons(remote_port);
+ remote_addr.v6.sin6_family = AF_INET6;
+ break;
+ default:
+ fprintf(stderr, "Invalid address type.\n");
+ exit(1);
+ break;
+ }
+ memcpy(ra_raw, hst->h_addr_list[0], hst->h_length);
+ }
+
+ /* Initialize the message struct we use to pass messages to
+ * the remote socket.
+ */
+ outmessage.msg_name = &remote_addr;
+ outmessage.msg_namelen = ra_len;
+
+ outmessage.msg_iov = NULL;
+ outmessage.msg_iovlen = 0;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ if (shutdown_type == SHUTDOWN_ABORT)
+ sinfo->sinfo_flags |= SCTP_ABORT;
+ else
+ sinfo->sinfo_flags |= SCTP_EOF;
+
+ sinfo->sinfo_assoc_id = associd;
+
+ bytes_sent = sendmsg(sk, &outmessage, 0);
+ if (bytes_sent != 0) {
+ printf("Failure: %s.\n", strerror(errno));
+ return -1;
+ }
+
+ /* Receive the COMM_LOST or SHUTDOWN_COMP event. */
+ test_recv_assoc_change(sk);
+ } else {
+ if (shutdown_type == SHUTDOWN_ABORT) {
+ struct linger {
+ int l_onoff;
+ int l_linger;
+ } data = {1, 0};
+ error = setsockopt(sk, SOL_SOCKET, SO_LINGER,
+ (char *)&data, sizeof(data));
+ if (error != 0) {
+ printf("setsockopt failed %s\n", strerror(errno));
+ exit(1);
+ }
+ }
+ error = close(sk);
+ if (error != 0) {
+ printf("close failed %s\n", strerror(errno));
+ exit(1);
+ }
+ *skp = sk = build_endpoint(argv0, local_port);
+ }
+
+ /* Verify that the association is no longer present. */
+ error = test_sk_for_assoc(sk, associd);
+ if (error != 0) {
+ printf("Successfully %s the original association\n", sd_type);
+ associd = 0;
+ new_connection = 1;
+ } else {
+ printf("%s failed\n", sd_type);
+ exit(1);
+ }
+
+ return 0;
+}
+
+static int
+test_sk_for_assoc(int sk, sctp_assoc_t assoc_id)
+{
+ int error = 0;
+ struct sctp_status status;
+ socklen_t status_len;
+
+ memset(&status, 0, sizeof(status));
+ if (assoc_id)
+ status.sstat_assoc_id = assoc_id;
+ status_len = sizeof(struct sctp_status);
+ error = getsockopt(sk, SOL_SCTP, SCTP_STATUS,
+ (char *)&status, &status_len);
+ return error;
+}
+
+/* Receive a notification and return the corresponding associd if the event is
+ * SCTP_COMM_UP. Return 0 for any other event.
+ */
+static sctp_assoc_t
+test_recv_assoc_change(int sk)
+{
+ struct msghdr inmessage;
+ struct iovec iov;
+ char incmsg[CMSG_SPACE(sizeof(_sctp_cmsg_data_t))];
+ int error;
+
+ /* Initialize inmessage with enough space for DATA... */
+ memset(&inmessage, 0, sizeof(inmessage));
+ if ((iov.iov_base = malloc(REALLY_BIG)) == NULL) {
+ printf("%s: Can't allocate memory.\n", __FUNCTION__);
+ exit(1);
+ }
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ /* or a control message. */
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+ error = recvmsg(sk, &inmessage, MSG_WAITALL);
+ if (error < 0) {
+ printf("%s: recvmsg: %s\n", __FUNCTION__, strerror(errno));
+ exit(1);
+ }
+
+ return test_verify_assoc_change(&inmessage);
+}
+
+/* Verify a notification and return the corresponding associd if the event is
+ * SCTP_COMM_UP. Return 0 for any other event.
+ */
+static sctp_assoc_t
+test_verify_assoc_change(struct msghdr *msg)
+{
+ union sctp_notification *sn;
+
+ if (!(msg->msg_flags & MSG_NOTIFICATION)) {
+ fprintf(stderr, "%s: Received data when notification is expected\n",
+ __FUNCTION__);
+ exit(1);
+ }
+
+ sn = (union sctp_notification *)msg->msg_iov->iov_base;
+ if (SCTP_ASSOC_CHANGE != sn->sn_header.sn_type) {
+ fprintf(stderr, "%s: Received unexpected notification: %d",
+ __FUNCTION__, sn->sn_header.sn_type);
+ exit(1);
+ }
+
+ switch(sn->sn_assoc_change.sac_state)
+ {
+ case SCTP_COMM_UP:
+ printf("Recieved SCTP_COMM_UP\n");
+ break;
+ case SCTP_COMM_LOST:
+ printf("Recieved SCTP_COMM_LOST\n");
+ break;
+ case SCTP_RESTART:
+ printf("Recieved SCTP_RESTART\n");
+ break;
+ case SCTP_SHUTDOWN_COMP:
+ printf("Recieved SCTP_SHUTDOWN_COMP\n");
+ break;
+ case SCTP_CANT_STR_ASSOC:
+ printf("Recieved SCTP_CANT_STR_ASSOC\n");
+ break;
+ }
+
+ if (SCTP_COMM_UP == sn->sn_assoc_change.sac_state)
+ return sn->sn_assoc_change.sac_assoc_id;
+ else
+ return 0;
+}
+
+void print_addr_buf(void * laddrs, int n_laddrs)
+{
+ void *addr_buf = laddrs;
+ int i;
+
+ for (i = 0; i < n_laddrs; i++) {
+ addr_buf += print_sockaddr((struct sockaddr *)addr_buf);
+ printf("\n");
+ }
+}
+
+int print_sockaddr(struct sockaddr *sa_addr)
+{
+ struct sockaddr_in *in_addr;
+ struct sockaddr_in6 *in6_addr;
+
+ if (AF_INET == sa_addr->sa_family) {
+ in_addr = (struct sockaddr_in *)sa_addr;
+ printf("%d.%d.%d.%d:%d",
+ NIPQUAD(in_addr->sin_addr),
+ ntohs(in_addr->sin_port));
+ return sizeof(struct sockaddr_in);
+ } else {
+ in6_addr = (struct sockaddr_in6 *)sa_addr;
+ printf("%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x:%d",
+ NIP6(in6_addr->sin6_addr),
+ ntohs(in6_addr->sin6_port));
+ return sizeof(struct sockaddr_in6);
+ }
+}
--- /dev/null
+#ifndef __sctp_darn_h__
+#define __sctp_darn_h__
+
+#define REALLY_BIG 65536
+#define SCTP_TESTPORT_1 1
+#define SCTP_TESTPORT_2 2
+
+void parse_arguments(int argc, char *argv[]);
+void usage(char *argv0);
+int command_listen(char *arg0, int sk);
+int command_send(char *arg0, int *skp);
+int command_poll(char *arg0);
+int test_print_message(int sk, struct msghdr *, size_t msg_len);
+
+typedef enum {
+ COMMAND_NONE = 0,
+ COMMAND_LISTEN,
+ COMMAND_SEND,
+ COMMAND_POLL,
+} command_t;
+
+typedef union {
+ struct sockaddr_storage ss;
+ struct sockaddr_in v4;
+ struct sockaddr_in6 v6;
+ struct sockaddr sa;
+} sockaddr_storage_t;
+
+#endif /* __sctp_darn_h__ */
--- /dev/null
+/* SCTP kernel reference Implementation
+ * (C) Copyright Fujitsu Ltd. 2008, 2009
+ *
+ * The SCTP reference implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP reference implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Wei Yongjun <yjwei@cn.fujitsu.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+#include <netinet/sctp.h>
+#include <signal.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <errno.h>
+#include <netdb.h>
+#include <string.h>
+
+#define DEFAULT_SEC 0
+#define DEFAULT_USEC 5000
+
+#define REALLY_BIG 65536
+
+#define SERVER 0
+#define CLIENT 1
+#define NOT_DEFINED 666
+
+#define DEBUG_NONE 0
+#define DEBUG_MIN 1
+#define DEBUG_MAX 2
+
+#define ORDER_PATTERN_UNORDERED 0
+#define ORDER_PATTERN_ORDERED 1
+#define ORDER_PATTERN_ALTERNATE 2
+#define ORDER_PATTERN_RANDOM 3
+
+#define STREAM_PATTERN_SEQUENTIAL 0
+#define STREAM_PATTERN_RANDOM 1
+
+#define MAX_BIND_RETRYS 10
+#define BIG_REPEAT 1000000
+#define REPEAT 10
+
+#define DEFAULT_MAX_WINDOW 32768
+#define DEFAULT_MIN_WINDOW 1500
+
+#define MSG_CNT 10
+
+#define DEBUG_PRINT(level, print_this...) \
+{ \
+ if (debug_level >= level) { \
+ fprintf(stdout, print_this); \
+ fflush(stdout); \
+ } \
+} /* DEBUG_PRINT */
+
+char *local_host = NULL;
+int local_port = 0;
+char *remote_host = NULL;
+int remote_port = 0;
+struct sockaddr_storage s_rem, s_loc;
+int r_len, l_len;
+int size_arg = 0;
+int debug_level = DEBUG_NONE;
+int order_pattern = ORDER_PATTERN_UNORDERED;
+int order_state = 0;
+int stream_pattern = STREAM_PATTERN_SEQUENTIAL;
+int stream_state = 0;
+int repeat = REPEAT;
+int repeat_count = 0;
+int max_msgsize = DEFAULT_MAX_WINDOW;
+int msg_cnt = MSG_CNT;
+int drain = 0;
+int max_stream = 0;
+int gsk = -1;
+int period = 1;
+char *statusfile = NULL;
+
+void printstatus(int sk);
+void sighandler(int signo);
+void settimerhandle(void);
+void usage(char *argv0);
+void start_test(int role);
+
+unsigned char msg[] = "012345678901234567890123456789012345678901234567890";
+
+/* Convenience structure to determine space needed for cmsg. */
+typedef union {
+ struct sctp_initmsg init;
+ struct sctp_sndrcvinfo sndrcvinfo;
+} _sctp_cmsg_data_t;
+
+int main(int argc, char *argv[]) {
+ int c, role = NOT_DEFINED;
+ char *interface = NULL;
+ struct sockaddr_in *t_addr;
+ struct sockaddr_in6 *t_addr6;
+
+ /* Parse the arguments. */
+ while ((c = getopt(argc, argv, ":H:L:P:h:p:c:d:lm:sx:X:o:M:r:Di:I:f:")) >= 0 ) {
+ switch (c) {
+ case 'H':
+ local_host = optarg;
+ break;
+ case 'P':
+ local_port = atoi(optarg);
+ break;
+ case 'h':
+ remote_host = optarg;
+ break;
+ case 'p':
+ remote_port = atoi(optarg);
+ break;
+ case 'l':
+ if (role != NOT_DEFINED) {
+ printf("%s: only -s or -l\n", argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+ role = SERVER;
+ break;
+ case 's':
+ if (role != NOT_DEFINED) {
+ printf("%s: only -s or -l\n", argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+ role = CLIENT;
+ break;
+ case 'D':
+ drain = 1;
+ break;
+ case 'd':
+ debug_level = atoi(optarg);
+ if (debug_level < DEBUG_NONE
+ || debug_level > DEBUG_MAX) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 'I':
+ period = atoi(optarg);
+ if (period < 0) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 'x':
+ repeat = atoi(optarg);
+ if (!repeat) {
+ repeat = BIG_REPEAT;
+ }
+ break;
+ case 'X':
+ msg_cnt = atoi(optarg);
+ if ((msg_cnt <= 0) || (msg_cnt > MSG_CNT)) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 'c':
+ size_arg = atoi(optarg);
+ if (size_arg < 0) {
+ usage(argv[0]);
+ exit(1);
+ }
+
+ break;
+ case 'o':
+ order_pattern = atoi(optarg);
+ if (order_pattern < ORDER_PATTERN_UNORDERED
+ || order_pattern > ORDER_PATTERN_RANDOM ) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 'M':
+ max_stream = atoi(optarg);
+ if (max_stream < 0
+ || max_stream >= (1<<16)) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 'm':
+ max_msgsize = atoi(optarg);
+ break;
+ case 'i':
+ interface = optarg;
+ break;
+ case 'f':
+ statusfile = optarg;
+ break;
+ case '?':
+ default:
+ usage(argv[0]);
+ exit(0);
+ }
+ } /* while() */
+
+ if (NOT_DEFINED == role) {
+ usage(argv[0]);
+ exit(1);
+ }
+
+ if (SERVER == role && NULL == local_host && remote_host != NULL) {
+ fprintf(stderr, "%s: Server needs local address, "
+ "not remote address\n", argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+ if (CLIENT == role && NULL == remote_host) {
+ fprintf(stderr, "%s: Client needs at least remote address "
+ "& port\n", argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+
+ if (optind < argc) {
+ fprintf(stderr, "%s: non-option arguments are illegal: ", argv[0]);
+ while (optind < argc)
+ fprintf(stderr, "%s ", argv[optind++]);
+ fprintf (stderr, "\n");
+ usage(argv[0]);
+ exit(1);
+ }
+
+ if (remote_host != NULL && remote_port != 0) {
+ struct addrinfo *res;
+ int error;
+ char *host_s, *serv_s;
+
+ if ((host_s = malloc(NI_MAXHOST)) == NULL) {
+ fprintf(stderr, "\n*** host_s malloc failed!!! ***\n");
+ exit(1);
+ }
+ if ((serv_s = malloc(NI_MAXSERV)) == NULL) {
+ fprintf(stderr, "\n*** serv_s malloc failed!!! ***\n");
+ exit(1);
+ }
+
+ error = getaddrinfo(remote_host, 0, NULL, &res);
+ if (error) {
+ printf("%s.\n", gai_strerror(error));
+ usage(argv[0]);
+ exit(1);
+ }
+
+ switch (res->ai_family) {
+ case AF_INET:
+ t_addr = (struct sockaddr_in *)&s_rem;
+
+ t_addr->sin_family = AF_INET;
+ t_addr->sin_port = htons(remote_port);
+ inet_pton(AF_INET, remote_host, &t_addr->sin_addr);
+
+ r_len = sizeof (struct sockaddr_in);
+#ifdef __FreeBSD__
+ t_addr->sin_len = r_len;
+#endif
+ break;
+ case AF_INET6:
+ t_addr6 = (struct sockaddr_in6 *)&s_rem;
+
+ if (interface)
+ t_addr6->sin6_scope_id = if_nametoindex(interface);
+ t_addr6->sin6_family = AF_INET6;
+ t_addr6->sin6_port = htons(remote_port);
+ inet_pton(AF_INET6, remote_host, &t_addr6->sin6_addr);
+
+ r_len = sizeof (struct sockaddr_in6);
+
+#ifdef __FreeBSD__
+ t_addr6->sin6_len = r_len;
+#endif
+ break;
+ }
+
+ getnameinfo((struct sockaddr *)&s_rem, r_len, host_s,
+ NI_MAXHOST, serv_s, NI_MAXSERV, NI_NUMERICHOST);
+
+ DEBUG_PRINT(DEBUG_MAX, "remote:addr=%s, port=%s, family=%d\n",
+ host_s, serv_s, res->ai_family);
+ }
+
+ if (local_host != NULL) {
+ struct addrinfo *res;
+ int error;
+ char *host_s, *serv_s;
+ struct sockaddr_in *t_addr;
+ struct sockaddr_in6 *t_addr6;
+
+ if ((host_s = malloc(NI_MAXHOST)) == NULL) {
+ fprintf(stderr, "\n*** host_s malloc failed!!! ***\n");
+ exit(1);
+ }
+ if ((serv_s = malloc(NI_MAXSERV)) == NULL) {
+ fprintf(stderr, "\n*** serv_s malloc failed!!! ***\n");
+ exit(1);
+ }
+
+ if (strcmp(local_host, "0") == 0)
+ local_host = "0.0.0.0";
+
+ error = getaddrinfo(local_host, 0, NULL, &res);
+ if (error) {
+ printf("%s.\n", gai_strerror(error));
+ usage(argv[0]);
+ exit(1);
+ }
+
+ switch (res->ai_family) {
+ case AF_INET:
+ t_addr = (struct sockaddr_in *)&s_loc;
+ t_addr->sin_family = AF_INET;
+ t_addr->sin_port = htons(local_port);
+ inet_pton(AF_INET, local_host, &t_addr->sin_addr);
+
+ l_len = sizeof (struct sockaddr_in);
+#ifdef __FreeBSD__
+ t_addr->sin_len = l_len;
+#endif
+ break;
+ case AF_INET6:
+ t_addr6 = (struct sockaddr_in6 *)&s_loc;
+
+ if (interface)
+ t_addr6->sin6_scope_id = if_nametoindex(interface);
+ t_addr6->sin6_family = AF_INET6;
+ t_addr6->sin6_port = htons(local_port);
+
+ inet_pton(AF_INET6, local_host, &t_addr6->sin6_addr);
+
+ l_len = sizeof (struct sockaddr_in6);
+
+#ifdef __FreeBSD__
+ t_addr6->sin6_len = l_len;
+#endif
+ break;
+ }
+
+ error = getnameinfo((struct sockaddr *)&s_loc, l_len, host_s,
+ NI_MAXHOST, serv_s, NI_MAXSERV, NI_NUMERICHOST);
+
+ if (error)
+ printf("%s..\n", gai_strerror(error));
+
+ DEBUG_PRINT(DEBUG_MAX, "local:addr=%s, port=%s, family=%d\n",
+ host_s, serv_s, res->ai_family);
+ }
+
+ /* Let the testing begin. */
+ start_test(role);
+
+ return 0;
+}
+
+int bind_r(int sk, struct sockaddr_storage *saddr) {
+ int error = 0, i = 0;
+ char *host_s, *serv_s;
+
+ if ((host_s = malloc(NI_MAXHOST)) == NULL) {
+ fprintf(stderr, "\n\t\t*** host_s malloc failed!!! ***\n");
+ exit(1);
+ }
+ if ((serv_s = malloc(NI_MAXSERV)) == NULL) {
+ fprintf(stderr, "\n\t\t*** serv_s malloc failed!!! ***\n");
+ exit(1);
+ }
+
+ do {
+ if (i > 0) sleep(1); /* sleep a while before new try... */
+
+ error = getnameinfo((struct sockaddr *)saddr, l_len, host_s,
+ NI_MAXHOST, serv_s, NI_MAXSERV,
+ NI_NUMERICHOST);
+
+ if (error)
+ printf("%s\n", gai_strerror(error));
+
+ DEBUG_PRINT(DEBUG_MIN,
+ "\tbind(sk=%d, [a:%s,p:%s]) -- attempt %d/%d\n",
+ sk, host_s, serv_s, i+1, MAX_BIND_RETRYS);
+
+ error = bind(sk, (struct sockaddr *)saddr, l_len);
+
+ if (error != 0) {
+ if( errno != EADDRINUSE ) {
+ fprintf(stderr, "\n\n\t\t***bind: can "
+ "not bind to %s:%s: %s ****\n",
+ host_s, serv_s, strerror(errno));
+ exit(1);
+ }
+ }
+ i++;
+ if (i >= MAX_BIND_RETRYS) {
+ fprintf(stderr, "Maximum bind() attempts. "
+ "Die now...\n\n");
+ exit(1);
+ }
+ } while (error < 0 && i < MAX_BIND_RETRYS);
+
+ return 0;
+} /* bind_r() */
+
+int listen_r(int sk, int listen_count) {
+ int error = 0;
+
+ DEBUG_PRINT(DEBUG_MIN, "\tlisten(sk=%d,backlog=%d)\n",
+ sk, listen_count);
+
+ /* Mark sk as being able to accept new associations */
+ error = listen(sk, 1);
+ if (error != 0) {
+ fprintf(stderr, "\n\n\t\t*** listen: %s ***\n\n\n", strerror(errno));
+ exit(1);
+ }
+
+ return 0;
+} /* listen_r() */
+
+int accept_r(int sk){
+ socklen_t len = 0;
+
+ DEBUG_PRINT(DEBUG_MIN, "\taccept(sk=%d)\n", sk);
+
+ gsk = accept(sk, NULL, &len);
+ if (gsk < 0) {
+ fprintf(stderr, "\n\n\t\t*** accept: %s ***\n\n\n", strerror(errno));
+ exit(1);
+ }
+
+ return 0;
+} /* accept_r() */
+
+int connect_r(int sk, const struct sockaddr *serv_addr, socklen_t addrlen) {
+ int error = 0;
+
+ DEBUG_PRINT(DEBUG_MIN, "\tconnect(sk=%d)\n", sk);
+
+ /* Mark sk as being able to accept new associations */
+ error = connect(sk, serv_addr, addrlen);
+ if (error != 0) {
+ fprintf(stderr, "\n\n\t\t*** connect: %s ***\n\n\n",
+ strerror(errno));
+ exit(1);
+ }
+
+ gsk = sk;
+
+ return 0;
+} /* connect_r() */
+
+int close_r(int sk) {
+ int error = 0;
+
+ DEBUG_PRINT(DEBUG_MIN, "\tclose(sk=%d)\n",sk);
+
+ error = close(sk);
+ if (error != 0) {
+ fprintf(stderr, "\n\n\t\t*** close: %s ***\n\n",
+ strerror(errno));
+ exit(1);
+ }
+ fflush(stdout);
+ return 0;
+} /* close_r() */
+
+int receive_r(int sk)
+{
+ int error = 0;
+ char incmsg[CMSG_SPACE(sizeof(_sctp_cmsg_data_t))];
+ struct iovec iov;
+ struct msghdr inmessage;
+
+ /* Initialize inmessage with enough space for DATA... */
+ memset(&inmessage, 0, sizeof(inmessage));
+ if ((iov.iov_base = malloc(REALLY_BIG)) == NULL) {
+ fprintf(stderr, "\n\t\t*** malloc not enough memory!!! ***\n");
+ exit(1);
+ }
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ /* or a control message. */
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+ /* Get the messages sent */
+ while (1) {
+ DEBUG_PRINT(DEBUG_MIN, "\trecvmsg(sk=%d) ", sk);
+
+ error = recvmsg(sk, &inmessage, MSG_WAITALL);
+ if (error < 0 && error != EAGAIN) {
+ fprintf(stderr, "\n\t\t*** recvmsg: %s ***\n\n",
+ strerror(errno));
+ fflush(stdout);
+ close(sk);
+ free(iov.iov_base);
+ exit(1);
+ } else if (error == 0) {
+ printf("\n\t\trecvmsg() returned 0 !!!!\n");
+ fflush(stdout);
+ }
+
+ if(MSG_NOTIFICATION & inmessage.msg_flags)
+ continue; /* got a notification... */
+
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+ iov.iov_len = REALLY_BIG;
+ break;
+ }
+
+ free(iov.iov_base);
+ return 0;
+} /* receive_r () */
+
+void server(int sk) {
+ if (max_msgsize > DEFAULT_MAX_WINDOW) {
+ if (setsockopt(sk, IPPROTO_SCTP, SO_RCVBUF, &max_msgsize,
+ sizeof(max_msgsize)) < 0) {
+ perror("setsockopt(SO_RCVBUF)");
+ exit(1);
+ }
+ }
+
+ receive_r(sk);
+} /* server() */
+
+void * build_msg(int len) {
+ int i = len - 1;
+ int n;
+ char *msg_buf, *p;
+
+ msg_buf = malloc(len);
+ if (NULL == msg_buf) {
+ fprintf(stderr, "\n\t\t*** malloc not enough memory!!! ***\n");
+ exit(1);
+ }
+ p = msg_buf;
+
+ do {
+ n = ((i > 50)?50:i);
+ memcpy(p, msg, ((i > 50)?50:i));
+ p += n;
+ i -= n;
+ } while (i > 0);
+
+ msg_buf[len-1] = '\0';
+
+ return(msg_buf);
+
+} /* build_msg() */
+
+int send_r(int sk, int stream, int order, int send_size, int assoc_i) {
+ int error = 0;
+ struct msghdr outmsg;
+ struct iovec iov;
+ char *message = NULL;
+ int msglen = 0;
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+
+ if (send_size > 0) {
+ message = build_msg(send_size);
+ msglen = strlen(message) + 1;
+ iov.iov_base = message;
+ iov.iov_len = msglen;
+ } else {
+ exit(1);
+ }
+
+ outmsg.msg_name = &s_rem;
+ outmsg.msg_namelen = sizeof(struct sockaddr_storage);
+ outmsg.msg_iov = &iov;
+ outmsg.msg_iovlen = 1;
+ outmsg.msg_control = outcmsg;
+ outmsg.msg_controllen = sizeof(outcmsg);
+ outmsg.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmsg);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+
+ outmsg.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0, sizeof(struct sctp_sndrcvinfo));
+ sinfo->sinfo_ppid = rand();
+ sinfo->sinfo_stream = stream;
+ sinfo->sinfo_flags = 0;
+ if (!order)
+ sinfo->sinfo_flags = SCTP_UNORDERED;
+
+ DEBUG_PRINT(DEBUG_MIN, "\tsendmsg(sk=%d, assoc=%d) %4d bytes.\n",
+ sk, assoc_i, send_size);
+ DEBUG_PRINT(DEBUG_MAX, "\t SNDRCV");
+ if (DEBUG_MAX == debug_level) {
+ printf("(stream=%u ", sinfo->sinfo_stream);
+ printf("flags=0x%x ", sinfo->sinfo_flags);
+ printf("ppid=%u)\n", sinfo->sinfo_ppid);
+ }
+
+ /* Send to our neighbor. */
+ error = sendmsg(sk, &outmsg, MSG_WAITALL);
+ if (error != msglen) {
+ fprintf(stderr, "\n\t\t*** sendmsg: %s ***\n\n",
+ strerror(errno));
+ fflush(stdout);
+ exit(1);
+ }
+
+ if (send_size > 0) free(message);
+ return 0;
+} /* send_r() */
+
+int next_order(int state, int pattern)
+{
+ switch (pattern){
+ case ORDER_PATTERN_UNORDERED:
+ state = 0;
+ break;
+ case ORDER_PATTERN_ORDERED:
+ state = 1;
+ break;
+ case ORDER_PATTERN_ALTERNATE:
+ state = state ? 0 : 1;
+ break;
+ case ORDER_PATTERN_RANDOM:
+ state = rand() % 2;
+ break;
+ }
+
+ return state;
+}
+
+int next_stream(int state, int pattern)
+{
+ switch (pattern){
+ case STREAM_PATTERN_RANDOM:
+ state = rand() % (max_stream + 1);
+ break;
+ case STREAM_PATTERN_SEQUENTIAL:
+ state = state + 1;
+ if (state > max_stream)
+ state = 0;
+ break;
+ }
+
+ return state;
+}
+
+int next_msg_size(int msg_cnt)
+{
+ int msg_size;
+
+ if (size_arg) {
+ msg_size = size_arg;
+ } else {
+ msg_size = (rand() % max_msgsize) + 1;
+ }
+
+ return msg_size;
+
+} /* next_msg_size() */
+
+void client(int sk) {
+ int msg_size;
+ int i;
+
+ for (i = 0; i < msg_cnt; i++) {
+ msg_size = next_msg_size(i);
+ order_state = next_order(order_state, order_pattern);
+ stream_state = next_stream(stream_state, stream_pattern);
+
+ if (send_r(sk, stream_state, order_state, msg_size, 0) < 0) {
+ close(sk);
+ break;
+ }
+
+ /* The sender is echoing so do discard the echoed data. */
+ if (drain && ((i + 1) % period == 0)) {
+ receive_r(sk);
+ }
+ }
+} /* client() */
+
+void start_test(int role) {
+ int sk, pid;
+ int i = 0;
+
+ DEBUG_PRINT(DEBUG_NONE, "\nStarting tests...\n");
+
+ repeat_count = repeat;
+
+ DEBUG_PRINT(DEBUG_MIN, "\tsocket(SOCK_STREAM, IPPROTO_SCTP)");
+
+ if ((sk = socket(s_loc.ss_family, SOCK_STREAM, IPPROTO_SCTP)) < 0 ) {
+ fprintf(stderr, "\n\n\t\t*** socket: failed to create"
+ " socket: %s ***\n", strerror(errno));
+ exit(1);
+ }
+ DEBUG_PRINT(DEBUG_MIN, " -> sk=%d\n", sk);
+
+ bind_r(sk, &s_loc);
+
+ if (role == SERVER) {
+ listen_r(sk, 1);
+ accept_r(sk);
+ } else {
+ connect_r(sk, (struct sockaddr *)&s_rem, r_len);
+ }
+
+ if ((pid = fork()) == 0) {
+ settimerhandle();
+ printstatus(gsk);
+ while(1);
+ } else {
+ if (!debug_level) {
+ printf(" ");
+ }
+
+ for(i = 0; i < repeat_count; i++) {
+
+ if (role == SERVER) {
+ DEBUG_PRINT(DEBUG_NONE, "Server: Receiving packets.(%d/%d)\n",
+ i+1, repeat_count);
+ server(gsk);
+ } else {
+ DEBUG_PRINT(DEBUG_NONE, "Client: Sending packets.(%d/%d)\n",
+ i+1, repeat_count);
+ client(sk);
+ }
+
+ fflush(stdout);
+ }
+
+ if (role == SERVER) close_r(gsk);
+ close_r(sk);
+ }
+} /* start_test() */
+
+void settimerhandle(void) {
+ struct sigaction act;
+ struct itimerval interval;
+
+ act.sa_handler = sighandler;
+ act.sa_flags = 0;
+ sigemptyset(&act.sa_mask);
+ sigaction(SIGPROF, &act, NULL);
+
+ interval.it_value.tv_sec = DEFAULT_SEC;
+ interval.it_value.tv_usec = DEFAULT_USEC;
+ interval.it_interval = interval.it_value;
+
+ setitimer(ITIMER_PROF, &interval, NULL);
+}
+
+void usage(char *argv0) {
+ fprintf(stderr, "\nusage:\n");
+ fprintf(stderr, " server:\n");
+ fprintf(stderr, " %8s -H local-addr -P local-port -l [-d level] [-x]\n"
+ "\t [-L num-ports] [-S num-ports]\n"
+ "\t [-a assoc-pattern]\n"
+ "\t [-i interface]\n"
+ "\t [-f status-file]\n",
+ argv0);
+ fprintf(stderr, "\n");
+ fprintf(stderr, " client:\n");
+ fprintf(stderr, " %8s -H local-addr -P local-port -h remote-addr\n"
+ "\t -p remote-port -s [-c case ] [-d level]\n"
+ "\t [-x repeat] [-o order-pattern] ream-pattern]\n"
+ "\t [-M max-stream]\n"
+ "\t [-m max-msgsize]\n"
+ "\t [-L num-ports] [-S num-ports]\n"
+ "\t [-i interface]\n"
+ "\t [-f status-file]\n",
+ argv0);
+ fprintf(stderr, "\n");
+ fprintf(stderr, "\t-c value = Packets of specifed size.\n");
+ fprintf(stderr, "\t-m msgsize(1500-65515, default value 32768)\n");
+ fprintf(stderr, "\t-x number of repeats\n");
+ fprintf(stderr, "\t-o order-pattern\n");
+ fprintf(stderr, "\t 0 = all unordered(default) \n");
+ fprintf(stderr, "\t 1 = all ordered \n");
+ fprintf(stderr, "\t 2 = alternating \n");
+ fprintf(stderr, "\t 3 = random\n");
+ fprintf(stderr, "\t-M max-stream (default value 0)\n");
+ fprintf(stderr, "\t-D drain. If in client mode do a read following send.\n");
+ fprintf(stderr, "\n");
+ fflush(stderr);
+
+} /* usage() */
+
+void sighandler(int signo) {
+ DEBUG_PRINT(DEBUG_MAX, "timeout sig\n");
+ printstatus(gsk);
+}
+
+char* get_sstat_state(int state) {
+ switch(state) {
+ case SCTP_EMPTY:
+ return "EMPTY";
+ case SCTP_CLOSED:
+ return "CLOSED";
+ case SCTP_COOKIE_WAIT:
+ return "COOKIE_WAIT";
+ case SCTP_COOKIE_ECHOED:
+ return "COOKIE_ECHOED";
+ case SCTP_ESTABLISHED:
+ return "ESTABLISHED";
+ case SCTP_SHUTDOWN_PENDING:
+ return "SHUTDOWN_PENDING";
+ case SCTP_SHUTDOWN_SENT:
+ return "SHUTDOWN_SENT";
+ case SCTP_SHUTDOWN_RECEIVED:
+ return "SHUTDOWN_RECEIVED";
+ case SCTP_SHUTDOWN_ACK_SENT:
+ return "SHUTDOWN_ACK_SENT";
+ default:
+ return "UNKNOW";
+ }
+}
+
+void printstatus(int sk) {
+ static int cwnd = 0;
+ static int count = 0;
+ struct sctp_status status;
+ socklen_t optlen;
+ FILE * fp;
+
+ optlen = sizeof(struct sctp_status);
+ if(getsockopt(sk, IPPROTO_SCTP, SCTP_STATUS, &status, &optlen) < 0) {
+ fprintf(stderr, "Error getting status: %s.\n", strerror(errno));
+ exit(1);
+ }
+
+ if (statusfile != NULL) {
+ if (count == 0)
+ unlink(statusfile);
+
+ if((fp = fopen(statusfile, "a+")) == NULL) {
+ perror("fopen");
+ exit(1);
+ }
+ } else
+ fp = stdout;
+
+ if (count == 0)
+ fprintf(fp, "NO. ASSOC-ID STATE RWND UNACKDATA PENDDATA INSTRMS OUTSTRMS "
+ "FRAG-POINT SPINFO-STATE SPINFO-CWDN SPINFO-SRTT SPINFO-RTO SPINFO-MTU\n");
+
+ if (cwnd != status.sstat_primary.spinfo_cwnd) {
+ count++;
+
+ fprintf(fp, "%-3d %-8d %-17s %-8d %-9d %-8d %-7d %-8d %-10d %-12s %-11d %-11d %-10d %d\n", count,
+ status.sstat_assoc_id, get_sstat_state(status.sstat_state),
+ status.sstat_rwnd, status.sstat_unackdata, status.sstat_penddata,
+ status.sstat_instrms, status.sstat_outstrms, status.sstat_fragmentation_point,
+ (status.sstat_primary.spinfo_state == 1) ? "ACTIVE" : "INACTIVE",
+ status.sstat_primary.spinfo_cwnd, status.sstat_primary.spinfo_srtt,
+ status.sstat_primary.spinfo_rto, status.sstat_primary.spinfo_mtu);
+ }
+
+ cwnd = status.sstat_primary.spinfo_cwnd;
+
+ fflush(fp);
+
+ if (fp != stdout)
+ fclose(fp);
+
+ if (status.sstat_primary.spinfo_state != 1) {
+ close_r(sk);
+ exit(1);
+ }
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (c) 1999 Cisco
+ * Copyright (c) 1999, 2000, 2001 Motorola
+ * Copyright (c) 2001-2002 Nokia
+ * Copyright (c) 2001 La Monte H.P. Yarroll
+ *
+ * This is a userspace test application for the SCTP kernel
+ * implementation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ^^^^^^^^^^^^^^^^^^^^^^^^
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Written or modified by:
+ * Hui Huang <hui.huang@nokia.com>
+ * Sridhar Samudrala <samudrala@us.ibm.com>
+ * Jon Grimm <jgrimm@us.ibm.com>
+ * Daisy Chang <daisyc@us.ibm.com>
+ * Ryan Layer <rmlayer@us.ibm.com>
+ */
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <sys/errno.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <string.h>
+#include <arpa/inet.h>
+#include <sys/wait.h>
+#include <sys/param.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <net/if.h>
+
+#include <sys/resource.h>
+
+
+#define REALLY_BIG 65536
+
+#define SERVER 0
+#define CLIENT 1
+#define MIXED 2
+#define NOT_DEFINED 666
+
+#define REPEAT 10
+#define BIG_REPEAT 1000000
+#define MAX_BIND_RETRYS 10
+#define BODYSIZE 10
+#define MSG_CNT 10 /* If this is changed the msg_sizes array
+ needs to be modified accordingly. */
+
+#define DEFAULT_MAX_WINDOW 32768
+#define DEFAULT_MIN_WINDOW 1500
+
+#define DEBUG_NONE 0
+#define DEBUG_MIN 1
+#define DEBUG_MAX 2
+
+#define STREAM_PATTERN_SEQUENTIAL 0
+#define STREAM_PATTERN_RANDOM 1
+
+#define ORDER_PATTERN_UNORDERED 0
+#define ORDER_PATTERN_ORDERED 1
+#define ORDER_PATTERN_ALTERNATE 2
+#define ORDER_PATTERN_RANDOM 3
+
+#define ASSOC_PATTERN_SEQUENTIAL 0
+#define ASSOC_PATTERN_RANDOM 1
+
+#define NCASES 6
+#define MAX_POLL_SKS 256
+
+#define DEBUG_PRINT(level, print_this...) \
+{ \
+ if (debug_level >= level) { \
+ fprintf(stdout, print_this); \
+ fflush(stdout); \
+ } \
+} /* DEBUG_PRINT */
+
+/* Convenience structure to determine space needed for cmsg. */
+typedef union {
+ struct sctp_initmsg init;
+ struct sctp_sndrcvinfo sndrcvinfo;
+} _sctp_cmsg_data_t;
+
+#ifdef __FreeBSD__
+typedef union {
+ int raw;
+ struct sctp_initmsg init;
+ struct sctp_sndrcvinfo sndrcv;
+} sctp_cmsg_data_t;
+#endif
+
+#define CMSG_SPACE_INITMSG (CMSG_SPACE(sizeof(struct sctp_initmsg)))
+#define CMSG_SPACE_SNDRCV (CMSG_SPACE(sizeof(struct sctp_sndrcvinfo)))
+
+typedef struct {
+ int rem_port;
+ int order_state;
+ int stream_state;
+ int msg_cnt;
+ int msg_sent;
+ int cycle;
+} _assoc_state;
+
+typedef struct {
+ int sk;
+ int assoc_i;
+ _assoc_state *assoc_state;
+} _poll_sks;
+
+char *local_host = NULL;
+int local_port = 0;
+char *remote_host = NULL;
+int remote_port = 0;
+/* struct sockaddr_in s_rem, s_loc; */
+struct sockaddr_storage s_rem, s_loc;
+int r_len, l_len;
+int test_case = 0;
+int size_arg = 0;
+int xflag = 0;
+int debug_level = DEBUG_MAX;
+int do_exit = 1;
+int stream_pattern = STREAM_PATTERN_SEQUENTIAL;
+int stream_state = 0;
+int order_pattern = ORDER_PATTERN_UNORDERED;
+int order_state = 0;
+int max_stream = 0;
+int seed = 0;
+int max_msgsize = DEFAULT_MAX_WINDOW;
+int assoc_pattern = ASSOC_PATTERN_SEQUENTIAL;
+int socket_type = SOCK_SEQPACKET;
+int repeat_count = 0;
+int listeners = 0;
+int tosend = 0;
+_poll_sks poll_sks[MAX_POLL_SKS];
+int repeat = REPEAT;
+int msg_cnt = MSG_CNT;
+int drain = 0;
+int role = NOT_DEFINED;
+
+unsigned char msg[] = "012345678901234567890123456789012345678901234567890";
+
+static int msg_sizes[NCASES][MSG_CNT] =
+ {{1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
+ {1452, 2904, 4356, 1452, 2904, 4356, 1452, 2904, 4356, 1452},
+ {1453, 1453, 1453, 1453, 1453, 1453, 1453, 1453, 1453, 1453},
+ {1, 1453, 32768, 1, 1453, 32768, 1, 1453, 32768, 1},
+ {1, 1000, 2000, 3000, 5000, 10000, 15000, 20000, 25000, 32768},
+ {32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768},
+ };
+
+static const char *sac_state_tbl[] = {
+ "COMMUNICATION_UP",
+ "COMMUNICATION_LOST",
+ "RESTART",
+ "SHUTDOWN_COMPLETE",
+ "CANT_START_ASSOCICATION"
+};
+
+void usage(char *argv0)
+{
+ fprintf(stderr, "\nusage:\n");
+ fprintf(stderr, " server:\n");
+ fprintf(stderr, " %8s -H local-addr -P local-port -l [-d level] [-x]\n"
+ "\t [-L num-ports] [-S num-ports]\n"
+ "\t [-a assoc-pattern]\n"
+ "\t [-i interface]\n",
+ argv0);
+ fprintf(stderr, "\n");
+ fprintf(stderr, " client:\n");
+ fprintf(stderr, " %8s -H local-addr -P local-port -h remote-addr\n"
+ "\t -p remote-port -s [-c case ] [-d level]\n"
+ "\t [-x repeat] [-o order-pattern] ream-pattern]\n"
+ "\t [-M max-stream] [-r rand-seed]\n"
+ "\t [-m max-msgsize]\n"
+ "\t [-L num-ports] [-S num-ports]\n"
+ "\t [-a assoc-pattern]\n"
+ "\t [-i interface]\n",
+ argv0);
+ fprintf(stderr, "\n");
+ fprintf(stderr, "\t-a assoc_pattern in the mixed mode\n");
+ fprintf(stderr, "\t 0 = sequential ascending(default)\n");
+ fprintf(stderr, "\t 1 = random\n");
+ fprintf(stderr, "\t-d debug\n");
+ fprintf(stderr, "\t 0 = none\n");
+ fprintf(stderr, "\t 1 = min(default)\n");
+ fprintf(stderr, "\t 2 = max\n");
+ fprintf(stderr, "\t-c testcase\n");
+ fprintf(stderr, "\t 0 = 1 byte packets.\n");
+ fprintf(stderr, "\t 1 = 1452 byte packets.\n");
+ fprintf(stderr, "\t (fragmentation point for an i/f with ");
+ fprintf(stderr, "1500 as mtu.)\n");
+ fprintf(stderr, "\t 2 = 1453 byte packets.\n");
+ fprintf(stderr, "\t (min. size at which fragmentation occurs\n");
+ fprintf(stderr, "\t for an i/f with 1500 as mtu.)\n");
+ fprintf(stderr, "\t 3 = Sequence of 1, 1453, 32768 byte packets.\n");
+ fprintf(stderr, "\t 4 = Sequence of following size packets.\n");
+ fprintf(stderr, "\t (1, 1000, 2000, 3000, 5000, 10000,");
+ fprintf(stderr, "15000, 20000, 25000, 32768)\n");
+ fprintf(stderr, "\t 5 = 32768 byte packets.\n");
+ fprintf(stderr, "\t (default max receive window size.)\n");
+ fprintf(stderr, "\t 6 = random size packets.\n");
+ fprintf(stderr, "\t -ve value = Packets of specifed size.\n");
+ fprintf(stderr, "\t-m msgsize(1500-65515, default value 32768)\n");
+ fprintf(stderr, "\t-x number of repeats\n");
+ fprintf(stderr, "\t-o order-pattern\n");
+ fprintf(stderr, "\t 0 = all unordered(default) \n");
+ fprintf(stderr, "\t 1 = all ordered \n");
+ fprintf(stderr, "\t 2 = alternating \n");
+ fprintf(stderr, "\t 3 = random\n");
+ fprintf(stderr, "\t-t stream-pattern\n");
+ fprintf(stderr, "\t 0 = sequential ascending(default)\n");
+ fprintf(stderr, "\t 1 = random\n");
+ fprintf(stderr, "\t-M max-stream (default value 0)\n");
+ fprintf(stderr, "\t-r seed (default 0, use time())\n");
+ fprintf(stderr, "\t-L num-ports (default value 0). Run the mixed mode\n");
+ fprintf(stderr, "\t-S num-ports (default value 0). Run the mixed mode\n");
+ fprintf(stderr, "\t-D drain. If in client mode do a read following send.\n");
+ fprintf(stderr, "\t-T use SOCK_STREAM tcp-style sockets.\n");
+ fprintf(stderr, "\n");
+ fflush(stderr);
+
+} /* usage() */
+
+void *
+build_msg(int len)
+{
+ int i = len - 1;
+ int n;
+ char *msg_buf, *p;
+
+ msg_buf = malloc(len);
+ if (NULL == msg_buf) {
+ fprintf(stderr, "\n\t\t*** malloc not enough memory!!! ***\n");
+ exit(1);
+ }
+ p = msg_buf;
+
+ do {
+ n = ((i > 50)?50:i);
+ memcpy(p, msg, ((i > 50)?50:i));
+ p += n;
+ i -= n;
+ } while (i > 0);
+
+ msg_buf[len-1] = '\0';
+
+ return(msg_buf);
+
+} /* build_msg() */
+
+static int
+print_cmsg(int type, sctp_cmsg_data_t *data)
+{
+ switch(type) {
+ case SCTP_INIT:
+ DEBUG_PRINT(DEBUG_MAX, "\tINIT\n");
+ if (DEBUG_MAX == debug_level) {
+ printf("\t\tsinit_num_ostreams=%d ",
+ data->init.sinit_num_ostreams);
+ printf("sinit_max_instreams=%d ",
+ data->init.sinit_max_instreams);
+ printf("sinit_max_attempts=%d ",
+ data->init.sinit_max_attempts);
+ printf("sinit_max_init_timeo=%d\n",
+ data->init.sinit_max_init_timeo);
+ }
+ break;
+ case SCTP_SNDRCV:
+ DEBUG_PRINT(DEBUG_MAX, "\t SNDRCV");
+ if (DEBUG_MAX == debug_level) {
+ printf("(stream=%u ", data->sndrcv.sinfo_stream);
+ printf("ssn=%u ", data->sndrcv.sinfo_ssn);
+ printf("tsn=%u ", data->sndrcv.sinfo_tsn);
+ printf("flags=0x%x ", data->sndrcv.sinfo_flags);
+ printf("ppid=%u\n", data->sndrcv.sinfo_ppid);
+ printf("cumtsn=%u\n", data->sndrcv.sinfo_cumtsn);
+ }
+ break;
+ default:
+ DEBUG_PRINT(DEBUG_MIN, "\tUnknown type: %d\n", type);
+ break;
+ }
+ fflush(stdout);
+ return 0;
+
+} /* print_cmsg() */
+
+/* This function prints the message. */
+static int
+print_message(const int sk, struct msghdr *msg, size_t msg_len) {
+ struct cmsghdr *scmsg;
+ sctp_cmsg_data_t *data;
+ int i;
+
+ if (!(MSG_NOTIFICATION & msg->msg_flags)) {
+ int index = 0;
+
+ DEBUG_PRINT(DEBUG_MIN, "Data %d bytes.", msg_len);
+
+ DEBUG_PRINT(DEBUG_MAX, " First %d bytes: ",
+ (msg_len < BODYSIZE)?msg_len:BODYSIZE);
+ /* Make sure that everything is printable and that we
+ * are NUL terminated...
+ */
+ while ( msg_len > 0 ) {
+ char *text, tmptext[BODYSIZE];
+ int len;
+
+ memset(tmptext, 0x0, BODYSIZE);
+
+ text = msg->msg_iov[index].iov_base;
+ len = msg->msg_iov[index].iov_len;
+
+ if (msg_len == 1 && text[0] == 0) {
+ DEBUG_PRINT(DEBUG_MIN, "<empty> text[0]=%d",
+ text[0]);
+ break;
+ }
+
+ if ( len > msg_len ) {
+ /* text[(len = msg_len) - 1] = '\0'; */
+ text[(len = msg_len)] = '\0';
+ }
+
+ if ( (msg_len -= len) > 0 ) { index++; }
+
+ for (i = 0; i < len - 1; ++i) {
+ if (!isprint(text[i])) text[i] = '.';
+ }
+
+ strncpy(tmptext, text, BODYSIZE);
+ tmptext[BODYSIZE-1] = '\0';
+
+ DEBUG_PRINT(DEBUG_MAX, "%s", tmptext);
+ }
+
+ DEBUG_PRINT(DEBUG_MIN, "\n");
+ fflush(stdout);
+ } else { /* if(we have notification) */
+ struct sctp_assoc_change *sac;
+ struct sctp_send_failed *ssf;
+ struct sctp_paddr_change *spc;
+ struct sctp_remote_error *sre;
+ union sctp_notification *snp;
+ char addrbuf[INET6_ADDRSTRLEN];
+ const char *ap;
+ struct sockaddr_in *sin;
+ struct sockaddr_in6 *sin6;
+ int index = 0;
+
+ snp = (union sctp_notification *)msg->msg_iov[index].iov_base;
+
+ DEBUG_PRINT(DEBUG_MIN, "Notification:");
+
+ switch (snp->sn_header.sn_type) {
+ case SCTP_ASSOC_CHANGE:
+ sac = &snp->sn_assoc_change;
+ DEBUG_PRINT(DEBUG_MIN,
+ " SCTP_ASSOC_CHANGE(%s)\n",
+ sac_state_tbl[sac->sac_state]);
+ DEBUG_PRINT(DEBUG_MAX,
+ "\t\t(assoc_change: state=%hu, "
+ "error=%hu, instr=%hu "
+ "outstr=%hu)\n",
+ sac->sac_state, sac->sac_error,
+ sac->sac_inbound_streams,
+ sac->sac_outbound_streams);
+ break;
+ case SCTP_PEER_ADDR_CHANGE:
+ spc = &snp->sn_paddr_change;
+ DEBUG_PRINT(DEBUG_MIN,
+ " SCTP_PEER_ADDR_CHANGE\n");
+ if (spc->spc_aaddr.ss_family == AF_INET) {
+ sin = (struct sockaddr_in *)
+ &spc->spc_aaddr;
+ ap = inet_ntop(AF_INET, &sin->sin_addr,
+ addrbuf,
+ INET6_ADDRSTRLEN);
+ } else {
+ sin6 = (struct sockaddr_in6 *)
+ &spc->spc_aaddr;
+ ap = inet_ntop(AF_INET6,
+ &sin6->sin6_addr,
+ addrbuf,
+ INET6_ADDRSTRLEN);
+ }
+ DEBUG_PRINT(DEBUG_MAX,
+ "\t\t(peer_addr_change: %s "
+ "state=%d, error=%d)\n",
+ ap, spc->spc_state,
+ spc->spc_error);
+ break;
+ case SCTP_SEND_FAILED:
+ ssf = &snp->sn_send_failed;
+ DEBUG_PRINT(DEBUG_MIN,
+ " SCTP_SEND_FAILED\n");
+ DEBUG_PRINT(DEBUG_MAX,
+ "\t\t(sendfailed: len=%hu "
+ "err=%d)\n",
+ ssf->ssf_length, ssf->ssf_error);
+ break;
+ case SCTP_REMOTE_ERROR:
+ sre = &snp->sn_remote_error;
+ DEBUG_PRINT(DEBUG_MIN,
+ " SCTP_REMOTE_ERROR\n");
+ DEBUG_PRINT(DEBUG_MAX,
+ "\t\t(remote_error: err=%hu)\n",
+ ntohs(sre->sre_error));
+ break;
+ case SCTP_SHUTDOWN_EVENT:
+ DEBUG_PRINT(DEBUG_MIN,
+ " SCTP_SHUTDOWN_EVENT\n");
+ break;
+ default:
+ DEBUG_PRINT(DEBUG_MIN,
+ " Unknown type: %hu\n",
+ snp->sn_header.sn_type);
+ break;
+ }
+
+ fflush(stdout);
+ return 1;
+
+ } /* notification received */
+
+ for (scmsg = CMSG_FIRSTHDR(msg);
+ scmsg != NULL;
+ scmsg = CMSG_NXTHDR(msg, scmsg)) {
+
+ data = (sctp_cmsg_data_t *)CMSG_DATA(scmsg);
+ if (debug_level) print_cmsg(scmsg->cmsg_type, data);
+ }
+
+
+ fflush(stdout);
+ return 0;
+
+} /* print_message() */
+
+int socket_r(void)
+{
+ struct sctp_event_subscribe subscribe;
+ int sk, error;
+
+ DEBUG_PRINT(DEBUG_MIN, "\tsocket(%s, IPPROTO_SCTP)",
+ (socket_type == SOCK_SEQPACKET) ? "SOCK_SEQPACKET" : "SOCK_STREAM");
+
+ if ((sk = socket(s_loc.ss_family, socket_type, IPPROTO_SCTP)) < 0 ) {
+ if (do_exit) {
+ fprintf(stderr, "\n\n\t\t*** socket: failed to create"
+ " socket: %s ***\n",
+ strerror(errno));
+ exit(1);
+ } else {
+ return -1;
+ }
+ }
+ DEBUG_PRINT(DEBUG_MIN, " -> sk=%d\n", sk);
+
+ memset(&subscribe, 0, sizeof(subscribe));
+ subscribe.sctp_data_io_event = 1;
+ subscribe.sctp_association_event = 1;
+ error = setsockopt(sk, SOL_SCTP, SCTP_EVENTS, (char *)&subscribe,
+ sizeof(subscribe));
+ if (error) {
+ fprintf(stderr, "SCTP_EVENTS: error: %d\n", error);
+ exit(1);
+ }
+
+ return sk;
+
+} /* socket_r() */
+
+int bind_r(int sk, struct sockaddr_storage *saddr)
+{
+ int error = 0, i = 0;
+ char *host_s, *serv_s;
+
+ if ((host_s = malloc(NI_MAXHOST)) == NULL) {
+ fprintf(stderr, "\n\t\t*** host_s malloc failed!!! ***\n");
+ exit(1);
+ }
+ if ((serv_s = malloc(NI_MAXSERV)) == NULL) {
+ fprintf(stderr, "\n\t\t*** serv_s malloc failed!!! ***\n");
+ exit(1);
+ }
+
+ do {
+ if (i > 0) sleep(1); /* sleep a while before new try... */
+
+ error = getnameinfo((struct sockaddr *)saddr, l_len, host_s,
+ NI_MAXHOST, serv_s, NI_MAXSERV,
+ NI_NUMERICHOST);
+
+ if (error)
+ printf("%s\n", gai_strerror(error));
+
+ DEBUG_PRINT(DEBUG_MIN,
+ "\tbind(sk=%d, [a:%s,p:%s]) -- attempt %d/%d\n",
+ sk, host_s, serv_s, i+1, MAX_BIND_RETRYS);
+
+ error = bind(sk, (struct sockaddr *)saddr, l_len);
+
+ if (error != 0) {
+ if( errno != EADDRINUSE ) {
+ if (do_exit) {
+ fprintf(stderr, "\n\n\t\t***bind: can "
+ "not bind to %s:%s: %s ****\n",
+ host_s, serv_s,
+ strerror(errno));
+ exit(1);
+ } else {
+ return -1;
+ }
+ }
+ }
+ i++;
+ if (i >= MAX_BIND_RETRYS) {
+ fprintf(stderr, "Maximum bind() attempts. "
+ "Die now...\n\n");
+ exit(1);
+ }
+ } while (error < 0 && i < MAX_BIND_RETRYS);
+
+ return 0;
+
+} /* bind_r() */
+
+int listen_r(int sk, int listen_count)
+{
+ int error = 0;
+
+ DEBUG_PRINT(DEBUG_MIN, "\tlisten(sk=%d,backlog=%d)\n",
+ sk, listen_count);
+
+ /* Mark sk as being able to accept new associations */
+ error = listen(sk, 1);
+ if (error != 0) {
+ if (do_exit) {
+ fprintf(stderr, "\n\n\t\t*** listen: %s ***\n\n\n",
+ strerror(errno));
+ exit(1);
+ }
+ else return -1;
+ }
+ return 0;
+
+} /* listen_r() */
+
+int accept_r(int sk){
+ socklen_t len = 0;
+ int subsk;
+
+ DEBUG_PRINT(DEBUG_MIN, "\taccept(sk=%d)\n", sk);
+
+ subsk = accept(sk, NULL, &len);
+ if (subsk < 0) {
+ fprintf(stderr, "\n\n\t\t*** accept: %s ***\n\n\n", strerror(errno));
+ exit(1);
+ }
+
+ return subsk;
+} /* accept_r() */
+
+int connect_r(int sk, const struct sockaddr *serv_addr, socklen_t addrlen)
+{
+ int error = 0;
+
+ DEBUG_PRINT(DEBUG_MIN, "\tconnect(sk=%d)\n", sk);
+
+ /* Mark sk as being able to accept new associations */
+ error = connect(sk, serv_addr, addrlen);
+ if (error != 0) {
+ if (do_exit) {
+ fprintf(stderr, "\n\n\t\t*** connect: %s ***\n\n\n",
+ strerror(errno));
+ exit(1);
+ }
+ else return -1;
+ }
+ return 0;
+
+} /* connect_r() */
+
+int receive_r(int sk, int once)
+{
+ int recvsk = sk, i = 0, error = 0;
+ char incmsg[CMSG_SPACE(sizeof(_sctp_cmsg_data_t))];
+ struct iovec iov;
+ struct msghdr inmessage;
+
+ /* Initialize inmessage with enough space for DATA... */
+ memset(&inmessage, 0, sizeof(inmessage));
+ if ((iov.iov_base = malloc(REALLY_BIG)) == NULL) {
+ fprintf(stderr, "\n\t\t*** malloc not enough memory!!! ***\n");
+ exit(1);
+ }
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ /* or a control message. */
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+ /* Get the messages sent */
+ while (1) {
+
+ if (recvsk == sk && socket_type == SOCK_STREAM &&
+ role == SERVER)
+ recvsk = accept_r(sk);
+
+ DEBUG_PRINT(DEBUG_MIN, "\trecvmsg(sk=%d) ", sk);
+
+ error = recvmsg(recvsk, &inmessage, MSG_WAITALL);
+ if (error < 0 && error != EAGAIN) {
+ if (errno == ENOTCONN && socket_type == SOCK_STREAM &&
+ role == SERVER) {
+ printf("No association is present now!!\n");
+ close(recvsk);
+ recvsk = sk;
+ continue;
+ }
+
+ fprintf(stderr, "\n\t\t*** recvmsg: %s ***\n\n",
+ strerror(errno));
+ fflush(stdout);
+ if (do_exit) exit(1);
+ else goto error_out;
+ }
+ else if (error == 0) {
+ if (socket_type == SOCK_STREAM && role == SERVER) {
+ printf("No association is present now!!\n");
+ close(recvsk);
+ recvsk = sk;
+ continue;
+ }
+ printf("\n\t\trecvmsg() returned 0 !!!!\n");
+ fflush(stdout);
+ }
+
+ if (print_message(recvsk, &inmessage, error) > 0)
+ continue; /* got a notification... */
+
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+ iov.iov_len = REALLY_BIG;
+ i++;
+ if (once)
+ break;
+ }
+
+ if (recvsk != sk)
+ close(recvsk);
+
+ free(iov.iov_base);
+ return 0;
+error_out:
+ close(sk);
+ free(iov.iov_base);
+ return -1;
+
+} /* receive_r () */
+
+int next_order(int state, int pattern)
+{
+ switch (pattern){
+ case ORDER_PATTERN_UNORDERED:
+ state = 0;
+ break;
+ case ORDER_PATTERN_ORDERED:
+ state = 1;
+ break;
+ case ORDER_PATTERN_ALTERNATE:
+ state = state ? 0 : 1;
+ break;
+ case ORDER_PATTERN_RANDOM:
+ state = rand() % 2;
+ break;
+ }
+
+ return state;
+}
+
+int next_stream(int state, int pattern)
+{
+ switch (pattern){
+ case STREAM_PATTERN_RANDOM:
+ state = rand() % (max_stream + 1);
+ break;
+ case STREAM_PATTERN_SEQUENTIAL:
+ state = state + 1;
+ if (state > max_stream)
+ state = 0;
+ break;
+ }
+
+ return state;
+}
+
+int next_msg_size(int msg_cnt)
+{
+ int msg_size;
+
+ if (size_arg) {
+ msg_size = size_arg;
+ } else if (test_case < NCASES) {
+ msg_size = msg_sizes[test_case][msg_cnt];
+ } else {
+ msg_size = (rand() % max_msgsize) + 1;
+ }
+
+ return msg_size;
+
+} /* next_msg_size() */
+
+int next_assoc(int i, int state, int pattern)
+{
+ int j;
+ int found = 0;
+ _assoc_state *as;
+
+
+ switch (pattern){
+ case ASSOC_PATTERN_RANDOM:
+ state = rand() % tosend;
+ break;
+ case ASSOC_PATTERN_SEQUENTIAL:
+ state = state + 1;
+ if (state >= tosend)
+ state = 0;
+ break;
+ }
+
+ as = poll_sks[i].assoc_state;
+ j = state;
+ do {
+ if (as[j].msg_sent < repeat_count) {
+ found = 1;
+ break;
+ }
+ if (++j >= tosend) {
+ j = 0;
+ }
+ } while (j != state);
+
+ if (found) {
+ return j;
+ } else {
+ return -1;
+ }
+
+} /* next_assoc() */
+
+int send_r(int sk, int stream, int order, int send_size, int assoc_i)
+{
+ int error = 0;
+ struct msghdr outmsg;
+ struct iovec iov;
+ char *message = NULL;
+ int msglen = 0;
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+
+ if (send_size > 0) {
+ message = build_msg(send_size);
+ msglen = strlen(message) + 1;
+ iov.iov_base = message;
+ iov.iov_len = msglen;
+ }
+ else {
+ if (do_exit) {
+ exit(1);
+ } else {
+ goto error_out;
+ }
+ }
+
+ outmsg.msg_name = &s_rem;
+ outmsg.msg_namelen = sizeof(struct sockaddr_storage);
+ outmsg.msg_iov = &iov;
+ outmsg.msg_iovlen = 1;
+ outmsg.msg_control = outcmsg;
+ outmsg.msg_controllen = sizeof(outcmsg);
+ outmsg.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmsg);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+
+ outmsg.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0, sizeof(struct sctp_sndrcvinfo));
+ sinfo->sinfo_ppid = rand();
+ sinfo->sinfo_stream = stream;
+ sinfo->sinfo_flags = 0;
+ if (!order)
+ sinfo->sinfo_flags = SCTP_UNORDERED;
+
+ DEBUG_PRINT(DEBUG_MIN, "\tsendmsg(sk=%d, assoc=%d) %4d bytes.\n",
+ sk, assoc_i, send_size);
+ DEBUG_PRINT(DEBUG_MAX, "\t SNDRCV");
+ if (DEBUG_MAX == debug_level) {
+ printf("(stream=%u ", sinfo->sinfo_stream);
+ printf("flags=0x%x ", sinfo->sinfo_flags);
+ printf("ppid=%u\n", sinfo->sinfo_ppid);
+ }
+
+ /* Send to our neighbor. */
+ error = sendmsg(sk, &outmsg, MSG_WAITALL);
+ if (error != msglen) {
+ fprintf(stderr, "\n\t\t*** sendmsg: %s ***\n\n",
+ strerror(errno));
+ fflush(stdout);
+
+ if (do_exit) {
+ exit(1);
+ } else {
+ if (!drain)
+ goto error_out;
+ }
+ }
+
+ if (send_size > 0) free(message);
+ return 0;
+error_out:
+ if (send_size > 0) free(message);
+ return -1;
+
+} /* send_r() */
+
+int close_r(int sk)
+{
+ int error = 0;
+
+ DEBUG_PRINT(DEBUG_MIN, "\tclose(sk=%d)\n",sk);
+
+ error = close(sk);
+ if (error != 0) {
+ if (do_exit) {
+ fprintf(stderr, "\n\n\t\t*** close: %s ***\n\n",
+ strerror(errno));
+ exit(1);
+ } else {
+ return -1;
+ }
+ }
+ fflush(stdout);
+ return 0;
+
+} /* close_r() */
+
+void
+server(int sk)
+{
+ if (max_msgsize > DEFAULT_MAX_WINDOW) {
+ if (setsockopt(sk, SOL_SOCKET, SO_RCVBUF, &max_msgsize,
+ sizeof(max_msgsize)) < 0) {
+ perror("setsockopt(SO_RCVBUF)");
+ exit(1);
+ }
+ }
+
+ receive_r(sk, 0);
+
+} /* server() */
+
+void
+client(int sk)
+{
+ int msg_size;
+ int i;
+
+ for (i = 0; i < msg_cnt; i++) {
+
+ msg_size = next_msg_size(i);
+ order_state = next_order(order_state, order_pattern);
+ stream_state = next_stream(stream_state, stream_pattern);
+
+ if (send_r(sk, stream_state, order_state, msg_size, 0) < 0) {
+ close(sk);
+ break;
+ }
+ /* The sender is echoing so do discard the echoed data. */
+ if (drain) {
+ receive_r(sk, 1);
+ }
+ }
+} /* client() */
+
+void
+mixed_mode_test(void)
+{
+ int error, i, j, max_fd, sks, size;
+ int assoc_i, n_msg_size, n_order, n_stream;
+ int done = 0;
+ fd_set *ibitsp = NULL, *obitsp = NULL, *xbitsp = NULL;
+ char incmsg[CMSG_SPACE(sizeof(_sctp_cmsg_data_t))];
+ struct iovec iov;
+ struct msghdr inmessage;
+ _assoc_state *as;
+
+
+ /* Set up the listeners. If listeners is 0, set up one socket for
+ * transmitting only.
+ */
+ iov.iov_base = NULL;
+ max_fd = -1;
+ sks = (0 == listeners) ? 1 : listeners;
+ memset(poll_sks, 0, sizeof(sks * sizeof(_poll_sks)));
+
+ for (i = 0; i < sks; i++) {
+ poll_sks[i].sk = socket_r();
+
+ if (s_loc.ss_family == AF_INET6)
+ ( (struct sockaddr_in6 *)&s_loc)->sin6_port =
+ htons(local_port + i);
+ else
+ ( (struct sockaddr_in *)&s_loc)->sin_port =
+ htons(local_port + i);
+
+ bind_r(poll_sks[i].sk, &s_loc);
+ if (listeners) {
+ listen_r(poll_sks[i].sk, 100);
+ }
+ if (max_msgsize > DEFAULT_MAX_WINDOW) {
+ if (setsockopt(poll_sks[i].sk, SOL_SOCKET, SO_RCVBUF,
+ &max_msgsize, sizeof(max_msgsize)) < 0) {
+ perror("setsockopt(SO_RCVBUF)");
+ exit(1);
+ }
+ }
+
+ if (tosend) {
+ if ((poll_sks[i].assoc_state = (_assoc_state *)malloc(
+ sizeof(_assoc_state) * tosend)) == NULL) {
+ printf("Can't allocate memory.\n");
+ goto clean_up;
+ }
+ memset(poll_sks[i].assoc_state, 0,
+ sizeof(_assoc_state) * tosend);
+ }
+
+ if (poll_sks[i].sk > max_fd) {
+ max_fd = poll_sks[i].sk;
+ }
+ }
+
+ size = howmany(max_fd + 1, NFDBITS) * sizeof(fd_mask);
+ if ((ibitsp = (fd_set *)malloc(size)) == NULL) {
+ printf("Can't allocate memory.\n");
+ goto clean_up;
+ }
+ if ((obitsp = (fd_set *)malloc(size)) == NULL) {
+ printf("Can't allocate memory.\n");
+ goto clean_up;
+ }
+ if ((xbitsp = (fd_set *)malloc(size)) == NULL) {
+ printf("Can't allocate memory.\n");
+ goto clean_up;
+ }
+
+ memset(ibitsp, 0, size);
+ memset(obitsp, 0, size);
+ memset(xbitsp, 0, size);
+
+
+ /* Initialize inmessage with enough space for DATA... */
+ memset(&inmessage, 0, sizeof(inmessage));
+ if ((iov.iov_base = malloc(REALLY_BIG)) == NULL) {
+ fprintf(stderr, "\n\t\t*** malloc not enough memory!!! ***\n");
+ goto clean_up;
+ }
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ /* or a control message. */
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+ /* Set up the remote port number per association for output. */
+ for (i = 0; i < sks; i++) {
+ as = poll_sks[i].assoc_state;
+ for (j = 0; j < tosend; j++) {
+ as[j].rem_port = remote_port + j;
+ }
+ }
+
+ while (!done) {
+
+ for (i = 0; i < sks; i++) {
+ FD_SET(poll_sks[i].sk, ibitsp);
+ FD_SET(poll_sks[i].sk, obitsp);
+ FD_SET(poll_sks[i].sk, xbitsp);
+ }
+ if ((error = select(max_fd + 1, ibitsp, obitsp, xbitsp,
+ (struct timeval *)0)) < 0) {
+ fprintf(stderr, "\n\t\t*** select() failed ");
+ fprintf(stderr, "with error: %s\n\n",
+ strerror(errno));
+ fflush(stdout);
+ goto clean_up;
+ }
+
+ for (i = 0; i < sks; i++) {
+ /* Is there anything to read from the socket? */
+ if (listeners && FD_ISSET(poll_sks[i].sk, ibitsp)) {
+
+ FD_CLR(poll_sks[i].sk, ibitsp);
+ error = recvmsg(poll_sks[i].sk, &inmessage,
+ MSG_WAITALL);
+ if (error < 0) {
+ fprintf(stderr,
+ "\n\t\t*** recvmsg: %s ***\n\n",
+ strerror(errno));
+ fflush(stdout);
+ goto clean_up;
+ }
+ else if (error == 0) {
+ printf("\n\t\trecvmsg() returned ");
+ printf("0 !!!!\n");
+ fflush(stdout);
+ }
+
+ print_message(poll_sks[i].sk, &inmessage,
+ error);
+
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+ iov.iov_len = REALLY_BIG;
+ }
+
+ /* Is this socket writeable? */
+ if (tosend && FD_ISSET(poll_sks[i].sk, obitsp)) {
+
+ FD_CLR(poll_sks[i].sk, obitsp);
+
+ /* Pick an association. */
+ assoc_i = next_assoc(i, poll_sks[i].assoc_i,
+ assoc_pattern);
+ if (assoc_i < 0) {
+ /* No work to do on any associations.
+ * We are probably done. */
+ if (!listeners) {
+ done = 1;
+ }
+ continue;
+ }
+ poll_sks[i].assoc_i = assoc_i;
+
+ as = poll_sks[i].assoc_state;
+ n_msg_size = next_msg_size(as[assoc_i].msg_cnt);
+ n_order = as[assoc_i].order_state =
+ next_order(as[assoc_i].order_state,
+ order_pattern);
+ n_stream = as[assoc_i].stream_state =
+ next_stream(as[assoc_i].stream_state,
+ stream_pattern);
+
+ /* Set the destination port. */
+ if (s_rem.ss_family == AF_INET6)
+ ( (struct sockaddr_in6 *)&s_rem)->
+ sin6_port =
+ htons(as[assoc_i].rem_port);
+ else
+ ( (struct sockaddr_in *)&s_rem)->
+ sin_port =
+ htons(as[assoc_i].rem_port);
+
+ /* Send a message thru the association. */
+ if (send_r(poll_sks[i].sk, n_stream, n_order,
+ n_msg_size, assoc_i) < 0) {
+ /* Don't increment counter if there
+ * is a problem of sending.
+ */
+ continue;
+ }
+
+ /* Increment counters. */
+ if (++as[assoc_i].msg_cnt >= MSG_CNT) {
+ as[assoc_i].msg_cnt = 0;
+ }
+ if (++as[assoc_i].msg_sent >=
+ repeat_count) {
+ fprintf(stderr, "Association #%d in ",
+ assoc_i);
+ fprintf(stderr, "sk=%d has ",
+ poll_sks[i].sk);
+ fprintf(stderr, "completed %d msg as ",
+ as[assoc_i].msg_sent);
+ fprintf(stderr, "cycle %d.\n",
+ ++as[assoc_i].cycle);
+
+ /* In the mixed mode, -x not only
+ * specify the longer repeat cycle,
+ * but it also mean to run the test
+ * forever.
+ */
+ if (xflag) {
+ as[assoc_i].msg_sent = 0;
+ }
+
+ }
+
+ }
+ }
+ }
+
+clean_up:
+ for (i = 0; i < sks; i++) {
+ close(poll_sks[i].sk);
+ if (poll_sks[i].assoc_state) {
+ free(poll_sks[i].assoc_state);
+ }
+ }
+
+ if (ibitsp) free(ibitsp);
+ if (obitsp) free(obitsp);
+ if (xbitsp) free(xbitsp);
+
+ if (iov.iov_base) free(iov.iov_base);
+
+} /* mixed_mode_test() */
+
+void start_test(int role)
+{
+ int sk;
+ int i = 0;
+
+ DEBUG_PRINT(DEBUG_NONE, "\nStarting tests...\n");
+
+ repeat_count = repeat;
+
+
+ if (MIXED == role) {
+ repeat_count = repeat_count * msg_cnt; /* Repeat per assoc. */
+ mixed_mode_test();
+ return;
+ }
+
+ sk = socket_r();
+ bind_r(sk, &s_loc);
+
+ if (role == SERVER) {
+ listen_r(sk, 100);
+ } else if (socket_type == SOCK_STREAM) {
+ connect_r(sk, (struct sockaddr *)&s_rem, r_len);
+ }
+
+ if (!debug_level) {
+ printf(" ");
+ }
+
+ for(i = 0; i < repeat_count; i++) {
+
+ if (role == SERVER) {
+ DEBUG_PRINT(DEBUG_NONE,
+ "Server: Receiving packets.\n");
+ server(sk);
+ } else {
+ DEBUG_PRINT(DEBUG_NONE,
+ "Client: Sending packets.(%d/%d)\n",
+ i+1, repeat_count);
+ client(sk);
+ }
+
+ fflush(stdout);
+ }
+
+ close_r(sk);
+
+} /* start_test() */
+
+int
+main(int argc, char *argv[])
+{
+ int c;
+ char *interface = NULL;
+ struct sockaddr_in *t_addr;
+ struct sockaddr_in6 *t_addr6;
+
+ /* Parse the arguments. */
+ while ((c = getopt(argc, argv, ":H:L:P:S:a:h:p:c:d:lm:sx:X:o:t:M:r:w:Di:T")) >= 0 ) {
+
+ switch (c) {
+ case 'H':
+ local_host = optarg;
+ break;
+ case 'L':
+ role = MIXED;
+ listeners = atoi(optarg);
+ if (listeners > MAX_POLL_SKS) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 'P':
+ local_port = atoi(optarg);
+ break;
+ case 'S':
+ role = MIXED;
+ tosend = atoi(optarg);
+ if (tosend > MAX_POLL_SKS) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 'a':
+ assoc_pattern = atoi(optarg);
+ if (assoc_pattern < ASSOC_PATTERN_SEQUENTIAL
+ || assoc_pattern > ASSOC_PATTERN_RANDOM ) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 'h':
+ remote_host = optarg;
+ break;
+ case 'D':
+ drain = 1;
+ do_exit = 0;
+ break;
+ case 'p':
+ remote_port = atoi(optarg);
+ break;
+ case 's':
+ if (role != NOT_DEFINED) {
+ printf("%s: only -s or -l\n", argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+ role = CLIENT;
+ break;
+ case 'l':
+ if (role != NOT_DEFINED) {
+ printf("%s: only -s or -l\n", argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+ role = SERVER;
+ break;
+ case 'd':
+ debug_level = atoi(optarg);
+ if (debug_level < DEBUG_NONE
+ || debug_level > DEBUG_MAX) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 'x':
+ repeat = atoi(optarg);
+ if (!repeat) {
+ xflag = 1;
+ repeat = BIG_REPEAT;
+ }
+ break;
+ case 'X':
+ msg_cnt = atoi(optarg);
+ if ((msg_cnt <= 0) || (msg_cnt > MSG_CNT)) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 'c':
+ test_case = atoi(optarg);
+ if (test_case > NCASES) {
+ usage(argv[0]);
+ exit(1);
+ }
+ if (test_case < 0) {
+ size_arg = -test_case;
+ }
+
+ break;
+ case 'o':
+ order_pattern = atoi(optarg);
+ if (order_pattern < ORDER_PATTERN_UNORDERED
+ || order_pattern > ORDER_PATTERN_RANDOM ) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 't':
+ stream_pattern = atoi(optarg);
+ if (stream_pattern < STREAM_PATTERN_SEQUENTIAL
+ || stream_pattern > STREAM_PATTERN_RANDOM ) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 'M':
+ max_stream = atoi(optarg);
+ if (max_stream < 0
+ || max_stream >= (1<<16)) {
+ usage(argv[0]);
+ exit(1);
+ }
+ break;
+ case 'r':
+ seed = atoi(optarg);
+ break;
+ case 'm':
+ max_msgsize = atoi(optarg);
+#if 0
+ if ((max_msgsize < DEFAULT_MIN_WINDOW) ||
+ (max_msgsize > 65515)) {
+ usage(argv[0]);
+ exit(1);
+ }
+#endif
+ break;
+ case 'i':
+ interface = optarg;
+ break;
+ case 'T':
+ socket_type = SOCK_STREAM;
+ break;
+ case '?':
+ default:
+ usage(argv[0]);
+ exit(0);
+ }
+ } /* while() */
+
+ if (NOT_DEFINED == role) {
+ usage(argv[0]);
+ exit(1);
+ }
+
+
+ if (SERVER == role && NULL == local_host && remote_host != NULL) {
+ fprintf (stderr, "%s: Server needs local address, "
+ "not remote address\n", argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+ if (CLIENT == role && NULL == remote_host) {
+ fprintf (stderr, "%s: Client needs at least remote address "
+ "& port\n", argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+ if (MIXED == role) {
+ if (listeners && NULL == local_host) {
+ fprintf (stderr, "%s: Servers need local address\n",
+ argv[0]);
+ usage(argv[0]);
+ exit(1);
+ }
+ if (tosend && NULL == remote_host) {
+ fprintf (stderr, "%s: Clients need remote address ",
+ argv[0]);
+ fprintf (stderr, "& port\n");
+ usage(argv[0]);
+ exit(1);
+ }
+ }
+
+ if (optind < argc) {
+ fprintf(stderr, "%s: non-option arguments are illegal: ",
+ argv[0]);
+ while (optind < argc)
+ fprintf(stderr, "%s ", argv[optind++]);
+ fprintf (stderr, "\n");
+ usage(argv[0]);
+ exit(1);
+ }
+
+ if (remote_host != NULL && remote_port != 0) {
+ struct addrinfo *res;
+ int error;
+ char *host_s, *serv_s;
+
+ if ((host_s = malloc(NI_MAXHOST)) == NULL) {
+ fprintf(stderr, "\n*** host_s malloc failed!!! ***\n");
+ exit(1);
+ }
+ if ((serv_s = malloc(NI_MAXSERV)) == NULL) {
+ fprintf(stderr, "\n*** serv_s malloc failed!!! ***\n");
+ exit(1);
+ }
+
+ error = getaddrinfo(remote_host, 0, NULL, &res);
+ if (error) {
+ printf("%s.\n", gai_strerror(error));
+ usage(argv[0]);
+ exit(1);
+ }
+
+ switch (res->ai_family) {
+ case AF_INET:
+ t_addr = (struct sockaddr_in *)&s_rem;
+
+ t_addr->sin_family = AF_INET;
+ t_addr->sin_port = htons(remote_port);
+ inet_pton(AF_INET, remote_host,
+ &t_addr->sin_addr);
+
+ r_len = sizeof (struct sockaddr_in);
+#ifdef __FreeBSD__
+ t_addr->sin_len = r_len;
+#endif
+ break;
+ case AF_INET6:
+
+ t_addr6 = (struct sockaddr_in6 *)&s_rem;
+
+ if (interface)
+ t_addr6->sin6_scope_id =
+ if_nametoindex(interface);
+ t_addr6->sin6_family = AF_INET6;
+ t_addr6->sin6_port = htons(remote_port);
+ inet_pton(AF_INET6, remote_host,
+ &t_addr6->sin6_addr);
+
+ r_len = sizeof (struct sockaddr_in6);
+
+#ifdef __FreeBSD__
+ t_addr6->sin6_len = r_len;
+#endif
+ break;
+ }
+
+ getnameinfo((struct sockaddr *)&s_rem, r_len, host_s,
+ NI_MAXHOST, serv_s, NI_MAXSERV, NI_NUMERICHOST);
+
+
+ DEBUG_PRINT(DEBUG_MAX, "remote:addr=%s, port=%s, family=%d\n",
+ host_s, serv_s, res->ai_family);
+ }
+
+ if (local_host != NULL) {
+ struct addrinfo *res;
+ int error;
+ char *host_s, *serv_s;
+ struct sockaddr_in *t_addr;
+ struct sockaddr_in6 *t_addr6;
+
+ if ((host_s = malloc(NI_MAXHOST)) == NULL) {
+ fprintf(stderr, "\n*** host_s malloc failed!!! ***\n");
+ exit(1);
+ }
+ if ((serv_s = malloc(NI_MAXSERV)) == NULL) {
+ fprintf(stderr, "\n*** serv_s malloc failed!!! ***\n");
+ exit(1);
+ }
+
+ if (strcmp(local_host, "0") == 0)
+ local_host = "0.0.0.0";
+
+ error = getaddrinfo(local_host, 0, NULL, &res);
+ if (error) {
+ printf("%s.\n", gai_strerror(error));
+ usage(argv[0]);
+ exit(1);
+ }
+
+
+ switch (res->ai_family) {
+ case AF_INET:
+ t_addr = (struct sockaddr_in *)&s_loc;
+ t_addr->sin_family = AF_INET;
+ t_addr->sin_port = htons(local_port);
+ inet_pton(AF_INET, local_host,
+ &t_addr->sin_addr);
+
+ l_len = sizeof (struct sockaddr_in);
+#ifdef __FreeBSD__
+ t_addr->sin_len = l_len;
+#endif
+ break;
+ case AF_INET6:
+ t_addr6 = (struct sockaddr_in6 *)&s_loc;
+
+ if (interface)
+ t_addr6->sin6_scope_id =
+ if_nametoindex(interface);
+ t_addr6->sin6_family = AF_INET6;
+ t_addr6->sin6_port = htons(local_port);
+
+ inet_pton(AF_INET6, local_host,
+ &t_addr6->sin6_addr);
+
+ l_len = sizeof (struct sockaddr_in6);
+
+#ifdef __FreeBSD__
+ t_addr6->sin6_len = l_len;
+#endif
+ break;
+ }
+
+ error = getnameinfo((struct sockaddr *)&s_loc, l_len, host_s,
+ NI_MAXHOST, serv_s, NI_MAXSERV, NI_NUMERICHOST);
+
+ if (error)
+ printf("%s..\n", gai_strerror(error));
+
+ DEBUG_PRINT(DEBUG_MAX, "local:addr=%s, port=%s, family=%d\n",
+ host_s, serv_s, res->ai_family);
+ }
+
+
+ /* A half-hearted attempt to seed rand() */
+ if (seed == 0 ) {
+ seed = time(0);
+ DEBUG_PRINT(DEBUG_NONE, "seed = %d\n", seed);
+ }
+
+ srand(seed);
+
+ /* Let the testing begin. */
+ start_test(role);
+
+ return 0;
+
+} /* main() */
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2003
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Ryan Layer <rmlayer@us.ibm.com>
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+#include <netdb.h>
+#include <getopt.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 1;
+int TST_CNT = 0;
+
+#define MAXHOSTNAME 64
+
+#define MAXCLIENTNUM 10000
+
+#define TRUE 1
+
+#define SERVER 1
+#define CLIENT 0
+#define NOT_DEFINED -1
+
+int mode = NOT_DEFINED;
+
+int assoc_num,
+ remote_port,
+ local_port;
+int active = 0;
+
+char *local_host = NULL;
+char *remote_host = NULL;
+sockaddr_storage_t client_loop,
+ server_loop;
+struct hostent *hst;
+
+void usage(char *argv0);
+void parse_arguments(int argc, char*argv[]);
+void data_received(struct msghdr *inmessage, int len, int stream,
+ int server_socket);
+int event_received(struct msghdr *inmessage, int assoc_num);
+void process_ready_sockets(int client_socket[], int assoc_num, fd_set *rfds);
+void server_mode(void);
+void client_mode(void);
+
+/* Print the syntax/usage */
+void usage(char *argv0)
+{
+ printf("usage: %s -H localhost -P localport -l|c [-h remotehost]\n"
+ "\t\t[-p remoteport] [-a] [-n <cnt>]\n"
+ " -H\t\tspecify a local address.\n"
+ " -P\t\tspecify the local port number to be used\n"
+ " -l\t\trun in server mode.\n"
+ " -c\t\trun in client mode.\n"
+ " -h\t\tspecify the peer address.\n"
+ " -p\t\tspecify the port number for the peer address.\n"
+ " -a\t\tactively generate traffic with the server.\n"
+ " -n\t\tspecify the number of associations to create.\n",
+ argv0);
+}
+
+/* Parse command line options */
+void parse_arguments(int argc, char*argv[]) {
+ int c;
+
+ while ((c = getopt(argc, argv, ":H:P:ach:ln:p:")) >= 0) {
+ switch (c) {
+ case 'H':
+ local_host = optarg;
+ break;
+ case 'P':
+ local_port = atoi(optarg);
+ break;
+ case 'c':
+ if (mode == NOT_DEFINED)
+ mode = CLIENT;
+ else {
+ usage(argv[0]);
+ exit(0);
+ }
+ break;
+ case 'a':
+ active = 1;
+ break;
+ case 'h':
+ remote_host = optarg;
+ break;
+ case 'l':
+ if (mode == NOT_DEFINED)
+ mode = SERVER;
+ else {
+ usage(argv[0]);
+ exit(0);
+ }
+ break;
+ case 'n':
+ assoc_num = atoi(optarg);
+ break;
+ case 'p':
+ remote_port = atoi(optarg);
+ break;
+ default:
+ usage(argv[0]);
+ exit(0);
+ }
+ } /* while() */
+
+ if (mode == CLIENT) {
+ if (assoc_num) {
+ if (assoc_num > MAXCLIENTNUM) {
+ printf("The number of associations indicated "
+ "is greater than the");
+ printf("max number of associations "
+ "allowed(%d).", MAXCLIENTNUM);
+ usage(argv[0]);
+ exit(0);
+ }
+ } else
+ assoc_num = 1;
+
+ if (remote_host && remote_port) {
+ hst = gethostbyname(remote_host);
+
+ memcpy(&server_loop.v4.sin_addr, hst->h_addr_list[0],
+ sizeof(server_loop.v4.sin_addr));
+
+ server_loop.v4.sin_family = AF_INET;
+server_loop.v4.sin_port = htons(remote_port);
+ } else {
+ printf("Remote host and remote port must be defined "
+ "in client mode\n");
+ usage(argv[0]);
+ exit(0);
+ }
+
+ if (local_host) {
+ hst = gethostbyname(local_host);
+
+ memcpy(&client_loop.v4.sin_addr, hst->h_addr_list[0],
+ sizeof(client_loop.v4.sin_addr));
+ } else
+ client_loop.v4.sin_addr.s_addr = INADDR_ANY;
+
+ if (local_port)
+ client_loop.v4.sin_port = htons(local_port);
+ else
+ client_loop.v4.sin_port = 0;
+
+ client_loop.v4.sin_family = AF_INET;
+ } else if (mode == SERVER) {
+ if (active) {
+ printf("This option if for client use only");
+ usage(argv[0]);
+ exit(0);
+ }
+
+ if (remote_host || remote_port) {
+ printf("Remote values not needed in server mode.\n");
+ usage(argv[0]);
+ exit(0);
+ }
+
+ if (local_host) {
+ hst = gethostbyname(local_host);
+
+ memcpy(&server_loop.v4.sin_addr, hst->h_addr_list[0],
+ sizeof(server_loop.v4.sin_addr));
+ } else
+ server_loop.v4.sin_addr.s_addr = INADDR_ANY;
+
+ if (local_port)
+ server_loop.v4.sin_port = htons(local_port);
+ else {
+ printf("Specify a local port in server mode.\n");
+ usage(argv[0]);
+ exit(0);
+ }
+
+ server_loop.v4.sin_family = AF_INET;
+ } else {
+ printf("Must assisgn a client or server mode.\n");
+ usage(argv[0]);
+ exit(0);
+ }
+} /* parse_arguments() */
+
+/* Handle data recieved */
+void data_received(struct msghdr *inmessage, int len, int stream, int socket) {
+
+ int ppid, error;
+ char *ping = "PING";
+
+ if (mode == SERVER) {
+ ppid = rand();
+
+ error = sctp_sendmsg(socket,
+ inmessage->msg_iov->iov_base,
+ len,
+ (struct sockaddr *)inmessage->msg_name,
+ inmessage->msg_namelen,
+ ppid,
+ 0,
+ stream,
+ 0, 0);
+
+ if (error < 0) {
+ printf("Send Failure: %s.\n", strerror(errno));
+ DUMP_CORE;
+ }
+ } else {
+ ppid = rand();
+
+ printf("Data Received by socket #: %d.\n", socket);
+ printf("\tMessage = %s\n",
+ (char *)inmessage->msg_iov->iov_base);
+
+ if (active) {
+ sctp_sendmsg(socket,
+ ping,
+ strlen(ping) + 1,
+ (struct sockaddr *)&server_loop,
+ sizeof (server_loop),
+ ppid,
+ 0,
+ stream,
+ 0, 0);
+ }
+ }
+}
+
+/* This will print what type of SCTP_ASSOC_CHANGE state that was recieved */
+void print_sctp_sac_state(struct msghdr *msg) {
+
+ char *data;
+ union sctp_notification *sn;
+
+ if (msg->msg_flags & MSG_NOTIFICATION) {
+ data = (char *)msg->msg_iov[0].iov_base;
+
+ sn = (union sctp_notification *)data;
+
+ switch (sn->sn_assoc_change.sac_state) {
+ case SCTP_COMM_UP:
+ printf("SCTP_COMM_UP\n");
+ break;
+ case SCTP_COMM_LOST:
+ printf("SCTP_COMM_LOST\n");
+ break;
+ case SCTP_RESTART:
+ printf("SCTP_RESTART");
+ break;
+ case SCTP_SHUTDOWN_COMP:
+ printf("SCTP_SHUTDOWN_COMP\n");
+ break;
+ case SCTP_CANT_STR_ASSOC:
+ printf("SCTP_CANT_STR_ASSOC\n");
+ break;
+ default:
+ break;
+ }
+ }
+} /* void print_sctp_sac_state() */
+
+/* Tests what type of MSG_NOTIFICATION has been received.
+* For now this fucntion only works with SCTP_ASSOC_CHANGE
+* types, but can be easily expanded.
+*
+* Will return...
+* -1 if the msg_flags is not MSG_NOTIFICATION
+* 0 if the MSG_NOTIFICATION type differs from the type
+* passed into the additional variable
+* 1 if the MSG_NOTIFICATION type matches the type
+* passed into the additional variable
+*/
+int test_check_notification_type(struct msghdr *msg,
+ uint16_t sn_type,
+ uint32_t additional) {
+
+ char *data;
+ union sctp_notification *sn;
+
+ if (!(msg->msg_flags & MSG_NOTIFICATION)) {
+ return -1;
+ } else {
+
+ /* Fixup for testframe. */
+ data = (char *)msg->msg_iov[0].iov_base;
+
+ sn = (union sctp_notification *)data;
+
+ if (sn->sn_header.sn_type != sn_type)
+ return 0;
+ else if (sn->sn_header.sn_type == SCTP_ASSOC_CHANGE)
+ if (sn->sn_assoc_change.sac_state == additional)
+ return 1;
+ return 0;
+ }
+}
+
+/* Determine the type of event and make correct adjustments to the
+* association count
+*/
+int event_received(struct msghdr *inmessage, int assoc_num) {
+
+ int error;
+
+ printf("Event Received\n");
+
+ print_sctp_sac_state(inmessage);
+
+ if (mode == SERVER) {
+ /* Test type of Event */
+ error = test_check_notification_type(inmessage,
+ SCTP_ASSOC_CHANGE,
+ SCTP_COMM_UP);
+ if (error > 0) {
+ assoc_num++;
+ printf("Assosiation Established: count = %d.\n",
+ assoc_num);
+ } else {
+ error = test_check_notification_type(inmessage,
+ SCTP_ASSOC_CHANGE,
+ SCTP_SHUTDOWN_COMP);
+
+ if (error > 0) {
+ assoc_num--;
+ printf("Assosiation Shutdown: count = %d.\n",
+ assoc_num);
+ }
+ }
+ }
+ return assoc_num;
+}
+
+void server_mode() {
+ sockaddr_storage_t msgname;
+ int server_socket,
+ error,
+ stream;
+ int assoc_num =0;
+ struct msghdr inmessage;
+ struct iovec iov;
+ char *big_buffer;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+
+ if ((big_buffer = malloc(REALLY_BIG)) == NULL) {
+ printf("malloc failure: %s\n", strerror(errno));
+ DUMP_CORE;
+ }
+
+ printf("Running in Server Mode...\n");
+
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen =1;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+ inmessage.msg_name = &msgname;
+ inmessage.msg_namelen = sizeof (msgname);
+
+ stream = 1;
+
+ server_socket = socket(PF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+ if (server_socket < 0) {
+ printf("Socket Failure: %s.\n", strerror(errno));
+ DUMP_CORE;
+ }
+
+ error = bind(server_socket, &server_loop.sa, sizeof(server_loop));
+ if (error != 0 ) {
+ printf("Bind Failure: %s.\n", strerror(errno));
+ DUMP_CORE;
+ }
+
+ error = listen(server_socket, 1);
+ if (error != 0) {
+ printf("Listen Failure: %s.\n", strerror(errno));
+ DUMP_CORE;
+ }
+ while (TRUE) {
+ error = recvmsg(server_socket, &inmessage, MSG_WAITALL);
+ if (error < 0) {
+ printf("Receive Failure: %s\n",
+ strerror(errno));
+ } else {
+ if (inmessage.msg_flags & MSG_NOTIFICATION)
+ assoc_num = event_received(&inmessage, assoc_num);
+ else
+ data_received(&inmessage, error, stream, server_socket);
+ }
+ }
+}
+
+void client_mode() {
+
+ int i, error, stream, max_socket = 0;
+ uint32_t ppid = 0;
+ int client_socket[assoc_num];
+ char *message = "Awake";
+ fd_set rfds;
+ struct timeval tv;
+
+ stream = 1;
+
+ printf("Running in Client Mode...\n");
+
+ /* Create the sockets */
+ for (i = 0; i < assoc_num; i++) {
+ client_socket[i] = socket(PF_INET, SOCK_SEQPACKET,
+ IPPROTO_SCTP);
+ if (client_socket[i] < 0 ){
+ printf("Socket Failure: %s.\n", strerror(errno));
+ DUMP_CORE;
+ }
+
+ if (local_port) {
+ error = bind(client_socket[i], &client_loop.sa,
+ sizeof(client_loop));
+ if (error < 0) {
+ printf("Bind Failure: %s\n", strerror(errno));
+ DUMP_CORE;
+ }
+ }
+
+ printf("Create Socket #: %d\n", client_socket[i]);
+
+ /* Connect to server and send initial message */
+ error = connect(client_socket[i], &server_loop.sa,
+ sizeof(server_loop));
+ if (error < 0){
+ printf("Connect Failure: %s.\n", strerror(errno));
+ DUMP_CORE;
+ }
+
+ max_socket = client_socket[i];
+
+ ppid++;
+
+ /* Send initial message */
+ error = sctp_sendmsg(client_socket[i],
+ message,
+ strlen(message) + 1,
+ (struct sockaddr *)&server_loop,
+ sizeof(server_loop),
+ ppid,
+ 0,
+ stream,
+ 0, 0);
+ if (error < 0 ) {
+ printf("Send Failure: %s.\n", strerror(errno));
+ DUMP_CORE;
+ }
+ }
+
+ while (TRUE){
+
+ /* Clear the set for select() */
+ FD_ZERO(&rfds);
+
+ /* Set time out values for select() */
+ tv.tv_sec = 5;
+ tv.tv_usec = 0;
+
+ /* Add the sockets select() will examine */
+ for (i = 0; i < assoc_num; i++) {
+ FD_SET(client_socket[i], &rfds);
+ }
+
+ /* Wait until there is data to be read from one of the
+ * sockets, or until the timer expires
+ */
+ error = select(max_socket + 1, &rfds, NULL, NULL, &tv);
+
+ if (error < 0) {
+ printf("Select Failure: %s.\n", strerror(errno));
+ DUMP_CORE;
+ } else if (error) {
+ /* Loop through the array of sockets to find the ones
+ *that have information to be read
+ */
+ process_ready_sockets(client_socket, assoc_num, &rfds);
+ }
+ }
+}
+
+void process_ready_sockets(int client_socket[], int assoc_num, fd_set *rfds) {
+
+ int i, stream, error;
+ struct msghdr inmessage;
+ struct iovec iov;
+ char *big_buffer;
+ char incmsg[CMSG_SPACE(sizeof (sctp_cmsg_data_t))];
+ sockaddr_storage_t msgname;
+
+ if ((big_buffer = malloc(REALLY_BIG)) == NULL) {
+ printf("malloc failure: %s\n", strerror(errno));
+ DUMP_CORE;
+ }
+
+ /* Setup inmessage to be able to receive in incomming message */
+ memset(&inmessage, 0, sizeof (inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen =1;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof (incmsg);
+ inmessage.msg_name = &msgname;
+ inmessage.msg_namelen = sizeof (msgname);
+
+ stream = 1;
+
+ for( i = 0; i < assoc_num; i++) {
+ if (FD_ISSET(client_socket[i], rfds)) {
+ error = recvmsg(client_socket[i], &inmessage,
+ MSG_WAITALL);
+ if (error < 0)
+ printf("Receive Failure: %s\n",
+ strerror(errno));
+ else {
+ /* Test to find the type of message that was read(event/data) */
+ if (inmessage.msg_flags &
+ MSG_NOTIFICATION)
+ event_received(&inmessage,
+ 0);
+
+ else
+ data_received(&inmessage, error,
+ stream,
+ client_socket[i]);
+ }
+ }
+ }
+}
+
+int main(int argc, char *argv[]) {
+
+ parse_arguments(argc, argv);
+
+ if (mode == SERVER) {
+ server_mode();
+ } else if (mode == CLIENT){
+ client_mode();
+ }
+ exit(1);
+}
+
--- /dev/null
+# Include these two in all the Makefile.am's!!!
+include $(top_srcdir)/Makefile.vars
+include $(top_srcdir)/Makefile.rules
+
+include $(top_srcdir)/Makefile.dirs
+
+# General compilation flags
+INCLUDES = -I. -I$(top_srcdir)/src/include -I$(top_srcdir)/src/testlib
+AM_CFLAGS = -g -Wall -Wstrict-prototypes -Wimplicit-function-declaration
+AM_LDFLAGS = -lpthread
+LDADD = $(top_builddir)/src/testlib/libsctputil.la \
+ $(top_builddir)/src/lib/libsctp.la
+
+V6FLAGS = -DCONFIG_IPV6=1 -DTEST_V6=1 ${DEFS} ${INCLUDES} ${CFLAGS}
+
+# Test programs and libraries to build
+PASSING_KERN_TESTS = \
+ test_assoc_abort \
+ test_assoc_shutdown \
+ test_autoclose \
+ test_basic \
+ test_fragments \
+ test_inaddr_any \
+ test_peeloff \
+ test_sockopt \
+ test_connect \
+ test_connectx \
+ test_recvmsg \
+ test_timetolive \
+ test_sctp_sendrecvmsg \
+ test_getname \
+ test_tcp_style\
+ test_1_to_1_socket_bind_listen \
+ test_1_to_1_accept_close \
+ test_1_to_1_connect \
+ test_1_to_1_connectx \
+ test_1_to_1_send \
+ test_1_to_1_sendto \
+ test_1_to_1_sendmsg \
+ test_1_to_1_recvfrom \
+ test_1_to_1_recvmsg \
+ test_1_to_1_shutdown \
+ test_1_to_1_sockopt \
+ test_1_to_1_addrs \
+ test_1_to_1_nonblock \
+ test_1_to_1_rtoinfo \
+ test_1_to_1_events \
+ test_1_to_1_threads \
+ test_1_to_1_initmsg_connect
+
+PASSING_V6_KERN_TESTS = \
+ test_basic_v6 \
+ test_sockopt_v6 \
+ test_fragments_v6 \
+ test_inaddr_any_v6 \
+ test_peeloff_v6 \
+ test_timetolive_v6 \
+ test_sctp_sendrecvmsg_v6 \
+ test_getname_v6 \
+ test_tcp_style_v6
+
+noinst_PROGRAMS = ${PASSING_KERN_TESTS} ${PASSING_V6_KERN_TESTS}
+
+$(top_builddir)/src/lib/libsctp.la:
+ make -C $(top_builddir)/src/lib libsctp.la
+
+$(top_builddir)/src/testlib/libsctputil.la:
+ make -C $(top_builddir)/src/testlib libsctputil.la
+
+# These are tests for live kernels which pass.
+v4test: ${PASSING_KERN_TESTS}
+ @for a in $^; \
+ do \
+ echo "./$$a"; \
+ if ./$$a; \
+ then \
+ echo "$$a passes"; \
+ echo ""; \
+ else \
+ echo "$$a fails"; \
+ exit 1; \
+ fi; \
+ sleep 1; \
+ done
+ @echo "Hoody hoo!"
+
+# These are tests for live kernels which pass.
+v6test: ${PASSING_V6_KERN_TESTS}
+ @for a in $^; \
+ do \
+ echo "./$$a"; \
+ if ./$$a; \
+ then \
+ echo "$$a passes"; \
+ echo ""; \
+ else \
+ echo "$$a fails"; \
+ exit 1; \
+ fi; \
+ sleep 1; \
+ done
+ @echo "Hoody hoo!"
+
+# Specifying the sources
+test_assoc_abort_SOURCES = test_assoc_abort.c
+test_assoc_shutdown_SOURCES = test_assoc_shutdown.c
+test_autoclose_SOURCES = test_autoclose.c
+test_basic_SOURCES = test_basic.c
+test_fragments_SOURCES = test_fragments.c
+test_inaddr_any_SOURCES = test_inaddr_any.c
+test_peeloff_SOURCES = test_peeloff.c
+test_sockopt_SOURCES = test_sockopt.c
+test_connect_SOURCES = test_connect.c
+test_connectx_SOURCES = test_connectx.c
+test_recvmsg_SOURCES = test_recvmsg.c
+test_timetolive_SOURCES = test_timetolive.c
+test_sctp_sendrecvmsg_SOURCES = test_sctp_sendrecvmsg.c
+test_getname_SOURCES = test_getname.c
+test_tcp_style_SOURCES = test_tcp_style.c
+
+test_1_to_1_socket_bind_listen_SOURCES = test_1_to_1_socket_bind_listen.c
+test_1_to_1_accept_close_SOURCES = test_1_to_1_accept_close.c
+test_1_to_1_connect_SOURCES = test_1_to_1_connect.c
+test_1_to_1_connectx_SOURCES = test_1_to_1_connectx.c
+test_1_to_1_send_SOURCES = test_1_to_1_send.c
+test_1_to_1_sendto_SOURCES = test_1_to_1_sendto.c
+test_1_to_1_sendmsg_SOURCES = test_1_to_1_sendmsg.c
+test_1_to_1_recvfrom_SOURCES = test_1_to_1_recvfrom.c
+test_1_to_1_recvmsg_SOURCES = test_1_to_1_recvmsg.c
+test_1_to_1_shutdown_SOURCES = test_1_to_1_shutdown.c
+test_1_to_1_sockopt_SOURCES = test_1_to_1_sockopt.c
+test_1_to_1_addrs_SOURCES = test_1_to_1_addrs.c
+test_1_to_1_nonblock_SOURCES = test_1_to_1_nonblock.c
+test_1_to_1_rtoinfo_SOURCES = test_1_to_1_rtoinfo.c
+test_1_to_1_events_SOURCES = test_1_to_1_events.c
+test_1_to_1_threads_SOURCES = test_1_to_1_threads.c
+test_1_to_1_initmsg_connect_SOURCES = test_1_to_1_initmsg_connect.c
+
+#
+# Specifying objects rules for "v6test"
+#
+test_basic_v6_SOURCES = test_basic.c
+test_basic_v6_CFLAGS = ${V6FLAGS}
+
+test_sockopt_v6_SOURCES = test_sockopt.c
+test_sockopt_v6_CFLAGS = ${V6FLAGS}
+
+test_fragments_v6_SOURCES = test_fragments.c
+test_fragments_v6_CFLAGS = ${V6FLAGS}
+
+test_inaddr_any_v6_SOURCES = test_inaddr_any.c
+test_inaddr_any_v6_CFLAGS = ${V6FLAGS}
+
+test_peeloff_v6_SOURCES = test_peeloff.c
+test_peeloff_v6_CFLAGS = ${V6FLAGS}
+
+test_timetolive_v6_SOURCES = test_timetolive.c
+test_timetolive_v6_CFLAGS = ${V6FLAGS}
+
+test_sctp_sendrecvmsg_v6_SOURCES = test_sctp_sendrecvmsg.c
+test_sctp_sendrecvmsg_v6_CFLAGS = ${V6FLAGS}
+
+test_getname_v6_SOURCES = test_getname.c
+test_getname_v6_CFLAGS = ${V6FLAGS}
+
+test_tcp_style_v6_SOURCES = test_tcp_style.c
+test_tcp_style_v6_CFLAGS = ${V6FLAGS}
--- /dev/null
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
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+host_triplet = @host@
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+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) \
+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+ $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(AM_LDFLAGS) $(LDFLAGS) -o $@
+SOURCES = $(test_1_to_1_accept_close_SOURCES) \
+ $(test_1_to_1_addrs_SOURCES) $(test_1_to_1_connect_SOURCES) \
+ $(test_1_to_1_connectx_SOURCES) $(test_1_to_1_events_SOURCES) \
+ $(test_1_to_1_initmsg_connect_SOURCES) \
+ $(test_1_to_1_nonblock_SOURCES) \
+ $(test_1_to_1_recvfrom_SOURCES) $(test_1_to_1_recvmsg_SOURCES) \
+ $(test_1_to_1_rtoinfo_SOURCES) $(test_1_to_1_send_SOURCES) \
+ $(test_1_to_1_sendmsg_SOURCES) $(test_1_to_1_sendto_SOURCES) \
+ $(test_1_to_1_shutdown_SOURCES) \
+ $(test_1_to_1_socket_bind_listen_SOURCES) \
+ $(test_1_to_1_sockopt_SOURCES) $(test_1_to_1_threads_SOURCES) \
+ $(test_assoc_abort_SOURCES) $(test_assoc_shutdown_SOURCES) \
+ $(test_autoclose_SOURCES) $(test_basic_SOURCES) \
+ $(test_basic_v6_SOURCES) $(test_connect_SOURCES) \
+ $(test_connectx_SOURCES) $(test_fragments_SOURCES) \
+ $(test_fragments_v6_SOURCES) $(test_getname_SOURCES) \
+ $(test_getname_v6_SOURCES) $(test_inaddr_any_SOURCES) \
+ $(test_inaddr_any_v6_SOURCES) $(test_peeloff_SOURCES) \
+ $(test_peeloff_v6_SOURCES) $(test_recvmsg_SOURCES) \
+ $(test_sctp_sendrecvmsg_SOURCES) \
+ $(test_sctp_sendrecvmsg_v6_SOURCES) $(test_sockopt_SOURCES) \
+ $(test_sockopt_v6_SOURCES) $(test_tcp_style_SOURCES) \
+ $(test_tcp_style_v6_SOURCES) $(test_timetolive_SOURCES) \
+ $(test_timetolive_v6_SOURCES)
+DIST_SOURCES = $(test_1_to_1_accept_close_SOURCES) \
+ $(test_1_to_1_addrs_SOURCES) $(test_1_to_1_connect_SOURCES) \
+ $(test_1_to_1_connectx_SOURCES) $(test_1_to_1_events_SOURCES) \
+ $(test_1_to_1_initmsg_connect_SOURCES) \
+ $(test_1_to_1_nonblock_SOURCES) \
+ $(test_1_to_1_recvfrom_SOURCES) $(test_1_to_1_recvmsg_SOURCES) \
+ $(test_1_to_1_rtoinfo_SOURCES) $(test_1_to_1_send_SOURCES) \
+ $(test_1_to_1_sendmsg_SOURCES) $(test_1_to_1_sendto_SOURCES) \
+ $(test_1_to_1_shutdown_SOURCES) \
+ $(test_1_to_1_socket_bind_listen_SOURCES) \
+ $(test_1_to_1_sockopt_SOURCES) $(test_1_to_1_threads_SOURCES) \
+ $(test_assoc_abort_SOURCES) $(test_assoc_shutdown_SOURCES) \
+ $(test_autoclose_SOURCES) $(test_basic_SOURCES) \
+ $(test_basic_v6_SOURCES) $(test_connect_SOURCES) \
+ $(test_connectx_SOURCES) $(test_fragments_SOURCES) \
+ $(test_fragments_v6_SOURCES) $(test_getname_SOURCES) \
+ $(test_getname_v6_SOURCES) $(test_inaddr_any_SOURCES) \
+ $(test_inaddr_any_v6_SOURCES) $(test_peeloff_SOURCES) \
+ $(test_peeloff_v6_SOURCES) $(test_recvmsg_SOURCES) \
+ $(test_sctp_sendrecvmsg_SOURCES) \
+ $(test_sctp_sendrecvmsg_v6_SOURCES) $(test_sockopt_SOURCES) \
+ $(test_sockopt_v6_SOURCES) $(test_tcp_style_SOURCES) \
+ $(test_tcp_style_v6_SOURCES) $(test_timetolive_SOURCES) \
+ $(test_timetolive_v6_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+AMDEP_FALSE = @AMDEP_FALSE@
+AMDEP_TRUE = @AMDEP_TRUE@
+AMTAR = @AMTAR@
+AR = @AR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CXX = @CXX@
+CXXCPP = @CXXCPP@
+CXXDEPMODE = @CXXDEPMODE@
+CXXFLAGS = @CXXFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+DSYMUTIL = @DSYMUTIL@
+ECHO = @ECHO@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+F77 = @F77@
+FFLAGS = @FFLAGS@
+GREP = @GREP@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIBTOOL_DEPS = @LIBTOOL_DEPS@
+LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+NMEDIT = @NMEDIT@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_CXX = @ac_ct_CXX@
+ac_ct_F77 = @ac_ct_F77@
+am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
+am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
+am__fastdepCXX_FALSE = @am__fastdepCXX_FALSE@
+am__fastdepCXX_TRUE = @am__fastdepCXX_TRUE@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = $(datadir)/locale
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+MAINTAINERCLEANFILES = Makefile.in directories.h
+DISTCLEANFILES = \\\ directories.h
+CLEANFILES =
+MOSTLYCLEANFILES = *~ *.[aios] *.bak *.ci *.io
+EXTRA_DIST =
+LATEX = @LATEX@
+DVIPS = @DVIPS@
+DVIPDFM = @DVIPDFM@
+ENSCRIPTBIN = @ENSCRIPTBIN@
+PS2PDF = @PS2PDF@
+edit = @sed \
+ -e "s|\@bindir\@|$(bindir)|" \
+ -e "s|\@libdir\@|$(libdir)|" \
+ -e "s|\@PACKAGE\@|$(PACKAGE)|"
+
+rootbindir = /bin
+rootsbindir = /sbin
+rootlibdir = /lib
+pkgsysconfdir = $(sysconfdir)/@PACKAGE@
+pkgdocdir = $(datadir)/@PACKAGE@
+vpkgsysconfdir = $(pkgsysconfdir)/v@VERSION@
+vpkgdatadir = $(pkgdatadir)/v@VERSION@
+vpkglibdir = $(pkglibdir)/v@VERSION@
+vpkgdocdir = $(docdir)/v@VERSION@
+
+# List here all the directories you want listed in the file to be used
+# in your programs:
+directories := \
+ localedir \
+ pkgsysconfdir \
+ rootbindir \
+ rootlibdir \
+ rootsbindir \
+ vpkgdatadir \
+ vpkgdocdir \
+ vpkglibdir \
+ vpkgsysconfdir \
+ \
+ bindir \
+ datadir \
+ libdir \
+ pkgdatadir \
+ pkgdocdir \
+ pkglibdir \
+ sbindir
+
+
+# Include these two in all the Makefile.am's!!!
+
+# General compilation flags
+INCLUDES = -I. -I$(top_srcdir)/src/include -I$(top_srcdir)/src/testlib
+AM_CFLAGS = -g -Wall -Wstrict-prototypes -Wimplicit-function-declaration
+AM_LDFLAGS = -lpthread
+LDADD = $(top_builddir)/src/testlib/libsctputil.la \
+ $(top_builddir)/src/lib/libsctp.la
+
+V6FLAGS = -DCONFIG_IPV6=1 -DTEST_V6=1 ${DEFS} ${INCLUDES} ${CFLAGS}
+
+# Test programs and libraries to build
+PASSING_KERN_TESTS = \
+ test_assoc_abort \
+ test_assoc_shutdown \
+ test_autoclose \
+ test_basic \
+ test_fragments \
+ test_inaddr_any \
+ test_peeloff \
+ test_sockopt \
+ test_connect \
+ test_connectx \
+ test_recvmsg \
+ test_timetolive \
+ test_sctp_sendrecvmsg \
+ test_getname \
+ test_tcp_style\
+ test_1_to_1_socket_bind_listen \
+ test_1_to_1_accept_close \
+ test_1_to_1_connect \
+ test_1_to_1_connectx \
+ test_1_to_1_send \
+ test_1_to_1_sendto \
+ test_1_to_1_sendmsg \
+ test_1_to_1_recvfrom \
+ test_1_to_1_recvmsg \
+ test_1_to_1_shutdown \
+ test_1_to_1_sockopt \
+ test_1_to_1_addrs \
+ test_1_to_1_nonblock \
+ test_1_to_1_rtoinfo \
+ test_1_to_1_events \
+ test_1_to_1_threads \
+ test_1_to_1_initmsg_connect
+
+PASSING_V6_KERN_TESTS = \
+ test_basic_v6 \
+ test_sockopt_v6 \
+ test_fragments_v6 \
+ test_inaddr_any_v6 \
+ test_peeloff_v6 \
+ test_timetolive_v6 \
+ test_sctp_sendrecvmsg_v6 \
+ test_getname_v6 \
+ test_tcp_style_v6
+
+
+# Specifying the sources
+test_assoc_abort_SOURCES = test_assoc_abort.c
+test_assoc_shutdown_SOURCES = test_assoc_shutdown.c
+test_autoclose_SOURCES = test_autoclose.c
+test_basic_SOURCES = test_basic.c
+test_fragments_SOURCES = test_fragments.c
+test_inaddr_any_SOURCES = test_inaddr_any.c
+test_peeloff_SOURCES = test_peeloff.c
+test_sockopt_SOURCES = test_sockopt.c
+test_connect_SOURCES = test_connect.c
+test_connectx_SOURCES = test_connectx.c
+test_recvmsg_SOURCES = test_recvmsg.c
+test_timetolive_SOURCES = test_timetolive.c
+test_sctp_sendrecvmsg_SOURCES = test_sctp_sendrecvmsg.c
+test_getname_SOURCES = test_getname.c
+test_tcp_style_SOURCES = test_tcp_style.c
+test_1_to_1_socket_bind_listen_SOURCES = test_1_to_1_socket_bind_listen.c
+test_1_to_1_accept_close_SOURCES = test_1_to_1_accept_close.c
+test_1_to_1_connect_SOURCES = test_1_to_1_connect.c
+test_1_to_1_connectx_SOURCES = test_1_to_1_connectx.c
+test_1_to_1_send_SOURCES = test_1_to_1_send.c
+test_1_to_1_sendto_SOURCES = test_1_to_1_sendto.c
+test_1_to_1_sendmsg_SOURCES = test_1_to_1_sendmsg.c
+test_1_to_1_recvfrom_SOURCES = test_1_to_1_recvfrom.c
+test_1_to_1_recvmsg_SOURCES = test_1_to_1_recvmsg.c
+test_1_to_1_shutdown_SOURCES = test_1_to_1_shutdown.c
+test_1_to_1_sockopt_SOURCES = test_1_to_1_sockopt.c
+test_1_to_1_addrs_SOURCES = test_1_to_1_addrs.c
+test_1_to_1_nonblock_SOURCES = test_1_to_1_nonblock.c
+test_1_to_1_rtoinfo_SOURCES = test_1_to_1_rtoinfo.c
+test_1_to_1_events_SOURCES = test_1_to_1_events.c
+test_1_to_1_threads_SOURCES = test_1_to_1_threads.c
+test_1_to_1_initmsg_connect_SOURCES = test_1_to_1_initmsg_connect.c
+
+#
+# Specifying objects rules for "v6test"
+#
+test_basic_v6_SOURCES = test_basic.c
+test_basic_v6_CFLAGS = ${V6FLAGS}
+test_sockopt_v6_SOURCES = test_sockopt.c
+test_sockopt_v6_CFLAGS = ${V6FLAGS}
+test_fragments_v6_SOURCES = test_fragments.c
+test_fragments_v6_CFLAGS = ${V6FLAGS}
+test_inaddr_any_v6_SOURCES = test_inaddr_any.c
+test_inaddr_any_v6_CFLAGS = ${V6FLAGS}
+test_peeloff_v6_SOURCES = test_peeloff.c
+test_peeloff_v6_CFLAGS = ${V6FLAGS}
+test_timetolive_v6_SOURCES = test_timetolive.c
+test_timetolive_v6_CFLAGS = ${V6FLAGS}
+test_sctp_sendrecvmsg_v6_SOURCES = test_sctp_sendrecvmsg.c
+test_sctp_sendrecvmsg_v6_CFLAGS = ${V6FLAGS}
+test_getname_v6_SOURCES = test_getname.c
+test_getname_v6_CFLAGS = ${V6FLAGS}
+test_tcp_style_v6_SOURCES = test_tcp_style.c
+test_tcp_style_v6_CFLAGS = ${V6FLAGS}
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(top_srcdir)/Makefile.vars $(top_srcdir)/Makefile.rules $(top_srcdir)/Makefile.dirs $(am__configure_deps)
+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
+ *$$dep*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+ && exit 0; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/func_tests/Makefile'; \
+ cd $(top_srcdir) && \
+ $(AUTOMAKE) --foreign src/func_tests/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
+ *config.status*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+ *) \
+ echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+ cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+ esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: $(am__configure_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): $(am__aclocal_m4_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+clean-noinstPROGRAMS:
+ @list='$(noinst_PROGRAMS)'; for p in $$list; do \
+ f=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+ echo " rm -f $$p $$f"; \
+ rm -f $$p $$f ; \
+ done
+test_1_to_1_accept_close$(EXEEXT): $(test_1_to_1_accept_close_OBJECTS) $(test_1_to_1_accept_close_DEPENDENCIES)
+ @rm -f test_1_to_1_accept_close$(EXEEXT)
+ $(LINK) $(test_1_to_1_accept_close_LDFLAGS) $(test_1_to_1_accept_close_OBJECTS) $(test_1_to_1_accept_close_LDADD) $(LIBS)
+test_1_to_1_addrs$(EXEEXT): $(test_1_to_1_addrs_OBJECTS) $(test_1_to_1_addrs_DEPENDENCIES)
+ @rm -f test_1_to_1_addrs$(EXEEXT)
+ $(LINK) $(test_1_to_1_addrs_LDFLAGS) $(test_1_to_1_addrs_OBJECTS) $(test_1_to_1_addrs_LDADD) $(LIBS)
+test_1_to_1_connect$(EXEEXT): $(test_1_to_1_connect_OBJECTS) $(test_1_to_1_connect_DEPENDENCIES)
+ @rm -f test_1_to_1_connect$(EXEEXT)
+ $(LINK) $(test_1_to_1_connect_LDFLAGS) $(test_1_to_1_connect_OBJECTS) $(test_1_to_1_connect_LDADD) $(LIBS)
+test_1_to_1_connectx$(EXEEXT): $(test_1_to_1_connectx_OBJECTS) $(test_1_to_1_connectx_DEPENDENCIES)
+ @rm -f test_1_to_1_connectx$(EXEEXT)
+ $(LINK) $(test_1_to_1_connectx_LDFLAGS) $(test_1_to_1_connectx_OBJECTS) $(test_1_to_1_connectx_LDADD) $(LIBS)
+test_1_to_1_events$(EXEEXT): $(test_1_to_1_events_OBJECTS) $(test_1_to_1_events_DEPENDENCIES)
+ @rm -f test_1_to_1_events$(EXEEXT)
+ $(LINK) $(test_1_to_1_events_LDFLAGS) $(test_1_to_1_events_OBJECTS) $(test_1_to_1_events_LDADD) $(LIBS)
+test_1_to_1_initmsg_connect$(EXEEXT): $(test_1_to_1_initmsg_connect_OBJECTS) $(test_1_to_1_initmsg_connect_DEPENDENCIES)
+ @rm -f test_1_to_1_initmsg_connect$(EXEEXT)
+ $(LINK) $(test_1_to_1_initmsg_connect_LDFLAGS) $(test_1_to_1_initmsg_connect_OBJECTS) $(test_1_to_1_initmsg_connect_LDADD) $(LIBS)
+test_1_to_1_nonblock$(EXEEXT): $(test_1_to_1_nonblock_OBJECTS) $(test_1_to_1_nonblock_DEPENDENCIES)
+ @rm -f test_1_to_1_nonblock$(EXEEXT)
+ $(LINK) $(test_1_to_1_nonblock_LDFLAGS) $(test_1_to_1_nonblock_OBJECTS) $(test_1_to_1_nonblock_LDADD) $(LIBS)
+test_1_to_1_recvfrom$(EXEEXT): $(test_1_to_1_recvfrom_OBJECTS) $(test_1_to_1_recvfrom_DEPENDENCIES)
+ @rm -f test_1_to_1_recvfrom$(EXEEXT)
+ $(LINK) $(test_1_to_1_recvfrom_LDFLAGS) $(test_1_to_1_recvfrom_OBJECTS) $(test_1_to_1_recvfrom_LDADD) $(LIBS)
+test_1_to_1_recvmsg$(EXEEXT): $(test_1_to_1_recvmsg_OBJECTS) $(test_1_to_1_recvmsg_DEPENDENCIES)
+ @rm -f test_1_to_1_recvmsg$(EXEEXT)
+ $(LINK) $(test_1_to_1_recvmsg_LDFLAGS) $(test_1_to_1_recvmsg_OBJECTS) $(test_1_to_1_recvmsg_LDADD) $(LIBS)
+test_1_to_1_rtoinfo$(EXEEXT): $(test_1_to_1_rtoinfo_OBJECTS) $(test_1_to_1_rtoinfo_DEPENDENCIES)
+ @rm -f test_1_to_1_rtoinfo$(EXEEXT)
+ $(LINK) $(test_1_to_1_rtoinfo_LDFLAGS) $(test_1_to_1_rtoinfo_OBJECTS) $(test_1_to_1_rtoinfo_LDADD) $(LIBS)
+test_1_to_1_send$(EXEEXT): $(test_1_to_1_send_OBJECTS) $(test_1_to_1_send_DEPENDENCIES)
+ @rm -f test_1_to_1_send$(EXEEXT)
+ $(LINK) $(test_1_to_1_send_LDFLAGS) $(test_1_to_1_send_OBJECTS) $(test_1_to_1_send_LDADD) $(LIBS)
+test_1_to_1_sendmsg$(EXEEXT): $(test_1_to_1_sendmsg_OBJECTS) $(test_1_to_1_sendmsg_DEPENDENCIES)
+ @rm -f test_1_to_1_sendmsg$(EXEEXT)
+ $(LINK) $(test_1_to_1_sendmsg_LDFLAGS) $(test_1_to_1_sendmsg_OBJECTS) $(test_1_to_1_sendmsg_LDADD) $(LIBS)
+test_1_to_1_sendto$(EXEEXT): $(test_1_to_1_sendto_OBJECTS) $(test_1_to_1_sendto_DEPENDENCIES)
+ @rm -f test_1_to_1_sendto$(EXEEXT)
+ $(LINK) $(test_1_to_1_sendto_LDFLAGS) $(test_1_to_1_sendto_OBJECTS) $(test_1_to_1_sendto_LDADD) $(LIBS)
+test_1_to_1_shutdown$(EXEEXT): $(test_1_to_1_shutdown_OBJECTS) $(test_1_to_1_shutdown_DEPENDENCIES)
+ @rm -f test_1_to_1_shutdown$(EXEEXT)
+ $(LINK) $(test_1_to_1_shutdown_LDFLAGS) $(test_1_to_1_shutdown_OBJECTS) $(test_1_to_1_shutdown_LDADD) $(LIBS)
+test_1_to_1_socket_bind_listen$(EXEEXT): $(test_1_to_1_socket_bind_listen_OBJECTS) $(test_1_to_1_socket_bind_listen_DEPENDENCIES)
+ @rm -f test_1_to_1_socket_bind_listen$(EXEEXT)
+ $(LINK) $(test_1_to_1_socket_bind_listen_LDFLAGS) $(test_1_to_1_socket_bind_listen_OBJECTS) $(test_1_to_1_socket_bind_listen_LDADD) $(LIBS)
+test_1_to_1_sockopt$(EXEEXT): $(test_1_to_1_sockopt_OBJECTS) $(test_1_to_1_sockopt_DEPENDENCIES)
+ @rm -f test_1_to_1_sockopt$(EXEEXT)
+ $(LINK) $(test_1_to_1_sockopt_LDFLAGS) $(test_1_to_1_sockopt_OBJECTS) $(test_1_to_1_sockopt_LDADD) $(LIBS)
+test_1_to_1_threads$(EXEEXT): $(test_1_to_1_threads_OBJECTS) $(test_1_to_1_threads_DEPENDENCIES)
+ @rm -f test_1_to_1_threads$(EXEEXT)
+ $(LINK) $(test_1_to_1_threads_LDFLAGS) $(test_1_to_1_threads_OBJECTS) $(test_1_to_1_threads_LDADD) $(LIBS)
+test_assoc_abort$(EXEEXT): $(test_assoc_abort_OBJECTS) $(test_assoc_abort_DEPENDENCIES)
+ @rm -f test_assoc_abort$(EXEEXT)
+ $(LINK) $(test_assoc_abort_LDFLAGS) $(test_assoc_abort_OBJECTS) $(test_assoc_abort_LDADD) $(LIBS)
+test_assoc_shutdown$(EXEEXT): $(test_assoc_shutdown_OBJECTS) $(test_assoc_shutdown_DEPENDENCIES)
+ @rm -f test_assoc_shutdown$(EXEEXT)
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+ mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+ pdf pdf-am ps ps-am tags uninstall uninstall-am \
+ uninstall-info-am
+
+
+# -*-makefile-*-
+#
+# Generate pre-parsed C code.
+%.i: %.c
+ $(COMPILE) -E -c $^ -o $@
+
+.PRECIOUS: %.i
+%.ci: %.i
+ -grep -v -e "^#" -e "^ *$$" $^ | indent > $@
+ mv -f $@ $^
+
+# To modify this target for another language, just copy, paste and
+# modify the target to generate directories.h. We depend on
+# config.status and Makefile.dirs, as anything changed is going to be
+# reflected there.
+
+# This is for generating the list in C/C++
+directories.h: $(top_builddir)/config.status $(top_srcdir)/Makefile.dirs
+ @rm -f $@
+ @echo -n "Creating $@ ..."
+ @echo "#ifndef __$(subst .,_,$@)__" > $@
+ @echo "# define __$(subst .,_,$@)__" >> $@
+ @echo "" >> $@
+ @echo -e $(foreach v,$(directories),$(shell echo 'D_$(v) \"$($v)\"\\n')) \
+ | sed 's/^ *D_/# define D_/' >> $@
+ @echo "#endif" >> $@
+ @echo " done"
+
+$(top_builddir)/src/lib/libsctp.la:
+ make -C $(top_builddir)/src/lib libsctp.la
+
+$(top_builddir)/src/testlib/libsctputil.la:
+ make -C $(top_builddir)/src/testlib libsctputil.la
+
+# These are tests for live kernels which pass.
+v4test: ${PASSING_KERN_TESTS}
+ @for a in $^; \
+ do \
+ echo "./$$a"; \
+ if ./$$a; \
+ then \
+ echo "$$a passes"; \
+ echo ""; \
+ else \
+ echo "$$a fails"; \
+ exit 1; \
+ fi; \
+ sleep 1; \
+ done
+ @echo "Hoody hoo!"
+
+# These are tests for live kernels which pass.
+v6test: ${PASSING_V6_KERN_TESTS}
+ @for a in $^; \
+ do \
+ echo "./$$a"; \
+ if ./$$a; \
+ then \
+ echo "$$a passes"; \
+ echo ""; \
+ else \
+ echo "$$a fails"; \
+ exit 1; \
+ fi; \
+ sleep 1; \
+ done
+ @echo "Hoody hoo!"
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the accept () and close () call for
+ * 1-1 style sockets
+ *
+ * accept () Tests:
+ * ---------------
+ * TEST1: Bad socket descriptor
+ * TEST2: Invalid socket
+ * TEST3: Invalid address
+ * TEST4: On a non-listening socket
+ * TEST5: On a established socket
+ * TEST6: On a CLOSED association
+ * TEST7: Extracting the association on the listening socket
+ *
+ * close () Tests:
+ * --------------
+ * TEST8: Bad socket descriptor
+ * TEST9: valid socket descriptor
+ * TEST10: Closed socket descriptor
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sys/uio.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 10;
+int TST_CNT = 0;
+
+#define SK_MAX 10
+
+int
+main(int argc, char *argv[])
+{
+ socklen_t len;
+ int i;
+ int sk,lstn_sk,clnt_sk[SK_MAX],acpt_sk,pf_class;
+ int new_sk[SK_MAX],clnt2_sk[SK_MAX];
+ int error;
+
+ struct sockaddr_in conn_addr,lstn_addr,acpt_addr;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ pf_class = PF_INET;
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ for (i=0 ; i < SK_MAX ; i++)
+ new_sk[i] = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /* Creating a regular socket */
+ for (i = 0 ; i < SK_MAX ; i++)
+ clnt_sk[i] = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ for (i = 0 ; i < SK_MAX ; i++)
+ clnt2_sk[i] = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /* Creating a listen socket */
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ /* Binding the listen socket */
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ /* Listening many sockets as we are calling too many connect here */
+ test_listen(lstn_sk, SK_MAX );
+
+ /* connect() is called just to make sure accept() doesn't block the
+ * program
+ */
+ i = 0;
+ len = sizeof(struct sockaddr_in);
+ test_connect(clnt_sk[i++], (struct sockaddr *) &conn_addr, len);
+
+ /* accept() TEST1: Bad socket descriptor EBADF, Expected error */
+ error = accept(-1, (struct sockaddr *) &acpt_addr, &len);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "accept with a bad socket descriptor"
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "accept() with a bad socket descriptor - EBADF");
+
+ /*accept() TEST2: Invalid socket ENOTSOCK, Expected error*/
+ error = accept(0, (struct sockaddr *) &acpt_addr, &len);
+ if (error != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "accept with invalid socket"
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "accept() with invalid socket - ENOTSOCK");
+
+ /*accept() TEST3: Invalid address EFAULT, Expected error*/
+ error = accept(lstn_sk, (struct sockaddr *) -1, &len);
+ if (error != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "accept with invalid address"
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "accept() with invalid address - EFAULT");
+
+ test_connect(clnt_sk[i++], (struct sockaddr *) &conn_addr, len);
+
+ /*accept() TEST4: on a non-listening socket EINVAL, Expected error*/
+ error = accept(sk, (struct sockaddr *) &acpt_addr, &len);
+ if (error != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "accept on a non-listening socket"
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "accept() on a non-listening socket - EINVAL");
+
+ test_connect(clnt_sk[i++], (struct sockaddr *) &conn_addr, len);
+
+ /*Calling accept to establish the connection*/
+ acpt_sk = test_accept(lstn_sk, (struct sockaddr *) &acpt_addr, &len);
+
+ /*accept() TEST5: On a established socket EINVAL, Expected error*/
+ error = accept(acpt_sk, (struct sockaddr *) &acpt_addr, &len);
+ if (error != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "accept on an established socket"
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "accept() on an established socket - EINVAL");
+
+ /*Closing the previously established association*/
+ close(acpt_sk);
+
+ test_connect(clnt_sk[i], (struct sockaddr *) &conn_addr, len);
+
+ /*accept() TEST6: On the CLOSED association should succeed*/
+ acpt_sk = accept(lstn_sk, (struct sockaddr *) &acpt_addr, &len);
+ if (acpt_sk < 0)
+ tst_brkm(TBROK, tst_exit, "accept a closed association"
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "accept() a closed association - SUCCESS");
+
+ close(acpt_sk);
+
+ /*accept() TEST7: Extracting the association on the listening socket
+ as new socket, new socket socket descriptor should return*/
+ for (i = 0 ; i < (SK_MAX - 1); i++)
+ test_connect(clnt2_sk[i], (struct sockaddr *) &conn_addr, len);
+
+ for (i = 0 ; i < (SK_MAX - 1); i++)
+ new_sk[i] = test_accept(lstn_sk, (struct sockaddr *)&acpt_addr,
+ &len);
+
+ tst_resm(TPASS, "accept() on a listening socket - SUCCESS");
+
+
+ /*close() TEST8: Bad socket descriptor, EBADF Expected error*/
+ error = close(-1);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "close with a bad socket descriptor "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "close() with a bad socket descriptor - EBADF");
+
+ /*close() TEST9: valid socket descriptor should succeed*/
+ error = close(sk);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "close with a valid socket descriptor"
+ " error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "close() with a valid socket descriptor - SUCCESS");
+
+ /*close() TEST10: closed socket descriptor, EBADF Expected error*/
+ error = close(sk);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "close with a closed socket "
+ "descriptor error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "close() with a closed socket descriptor - EBADF");
+
+ for (i = 0 ; i < SK_MAX ; i++) {
+ close(clnt_sk[i]);
+ close(new_sk[i]);
+ close(clnt2_sk[i]);
+ }
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the sctp_getladdrs (), sctp_freealddrs (),
+ * sctp_getpaddrs (), sctp_freeapaddrs () for 1-1 style sockets
+ *
+ * sctp_getladdrs () Tests:
+ * -----------------------
+ * TEST1: Bad socket descriptor
+ * TEST2: Invalid socket
+ * TEST3: Socket of different protocol
+ * TEST4: Getting the local addresses
+ *
+ * sctp_freealddrs () Tests:
+ * ------------------------
+ * TEST5: Freeing the local address
+ *
+ * sctp_getpaddrs () Tests:
+ * -----------------------
+ * TEST6: Bad socket descriptor
+ * TEST7: Invalid socket
+ * TEST8: Socket of different protocol
+ * TEST9: Getting the peers addresses
+ *
+ * sctp_freeapddrs () Tests:
+ * ------------------------
+ * TEST10: Freeing the peer's address
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sys/uio.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 10;
+int TST_CNT = 0;
+
+int
+main(int argc, char *argv[])
+{
+ int error;
+ socklen_t len;
+ int sk,lstn_sk,clnt_sk,acpt_sk,pf_class,sk1;
+ struct msghdr outmessage;
+ struct msghdr inmessage;
+ char *message = "hello, world!\n";
+ struct iovec iov;
+ struct iovec iov_rcv;
+ struct sctp_sndrcvinfo *sinfo;
+ int msg_count;
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct iovec out_iov;
+ char * buffer_snd;
+ char * buffer_rcv;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ struct sockaddr *laddrs, *paddrs;
+
+ struct sockaddr_in conn_addr,lstn_addr,acpt_addr;
+ struct sockaddr_in *addr;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ pf_class = PF_INET;
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /*Creating a regular socket*/
+ clnt_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /*Creating a listen socket*/
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ /*Binding the listen socket*/
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ /*Listening many sockets as we are calling too many connect here*/
+ test_listen(lstn_sk, 1);
+
+ len = sizeof(struct sockaddr_in);
+
+ test_connect(clnt_sk, (struct sockaddr *) &conn_addr, len);
+
+ acpt_sk = test_accept(lstn_sk, (struct sockaddr *) &acpt_addr, &len);
+
+ memset(&inmessage, 0, sizeof(inmessage));
+ buffer_rcv = malloc(REALLY_BIG);
+
+ iov_rcv.iov_base = buffer_rcv;
+ iov_rcv.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov_rcv;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+ msg_count = strlen(message) + 1;
+
+ memset(&outmessage, 0, sizeof(outmessage));
+ buffer_snd = malloc(REALLY_BIG);
+
+ outmessage.msg_name = &lstn_addr;
+ outmessage.msg_namelen = sizeof(lstn_addr);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+
+ iov.iov_base = buffer_snd;
+ iov.iov_len = REALLY_BIG;
+ outmessage.msg_iov->iov_base = message;
+
+ outmessage.msg_iov->iov_len = msg_count;
+ test_sendmsg(clnt_sk, &outmessage, MSG_NOSIGNAL, msg_count);
+
+ test_recvmsg(acpt_sk, &inmessage, MSG_NOSIGNAL);
+
+ /*sctp_getladdrs() TEST1: Bad socket descriptor, EBADF Expected error*/
+ error = sctp_getladdrs(-1, 0, &laddrs);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "sctp_getladdrs with a bad socket "
+ "descriptor error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_getladdrs() with a bad socket descriptor - "
+ "EBADF");
+
+ /*sctp_getladdrs() TEST2: Invalid socket, ENOTSOCK Expected error*/
+ error = sctp_getladdrs(0, 0, &laddrs);
+ if (error != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "sctp_getladdrs with invalid socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_getladdrs() with invalid socket - ENOTSOCK");
+
+ /*sctp_getladdrs() TEST3: socket of different protocol
+ EOPNOTSUPP Expected error*/
+ sk1 = socket(pf_class, SOCK_STREAM, IPPROTO_IP);
+ error = sctp_getladdrs(sk1, 0, &laddrs);
+ if (error != -1 || errno != EOPNOTSUPP)
+ tst_brkm(TBROK, tst_exit, "sctp_getladdrs with socket of "
+ "different protocol error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_getladdrs() with socket of different protocol - "
+ "EOPNOTSUPP");
+
+ /*sctp_getladdrs() TEST4: Getting the local addresses*/
+ error = sctp_getladdrs(lstn_sk, 0, &laddrs);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "sctp_getladdrs with valid socket "
+ "error:%d, errno:%d", error, errno);
+
+ addr = (struct sockaddr_in *)laddrs;
+ if (addr->sin_port != lstn_addr.sin_port ||
+ addr->sin_family != lstn_addr.sin_family ||
+ addr->sin_addr.s_addr != lstn_addr.sin_addr.s_addr)
+ tst_brkm(TBROK, tst_exit, "sctp_getladdrs comparision failed");
+
+ tst_resm(TPASS, "sctp_getladdrs() - SUCCESS");
+
+ /*sctp_freealddrs() TEST5: freeing the local address*/
+ if ((sctp_freeladdrs(laddrs)) < 0)
+ tst_brkm(TBROK, tst_exit, "sctp_freeladdrs "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_freeladdrs() - SUCCESS");
+
+ /*sctp_getpaddrs() TEST6: Bad socket descriptor, EBADF Expected error*/
+ error = sctp_getpaddrs(-1, 0, &paddrs);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "sctp_getpaddrs with a bad socket "
+ "descriptor error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_getpaddrs() with a bad socket descriptor - "
+ "EBADF");
+
+ /*sctp_getpaddrs() TEST7: Invalid socket, ENOTSOCK Expected error*/
+ error = sctp_getpaddrs(0, 0, &paddrs);
+ if (error != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "sctp_getpaddrs with invalid socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_getpaddrs() with invalid socket - ENOTSOCK");
+
+ /*sctp_getpaddrs() TEST8: socket of different protocol
+ EOPNOTSUPP Expected error*/
+ error = sctp_getpaddrs(sk1, 0, &laddrs);
+ if (error != -1 || errno != EOPNOTSUPP)
+ tst_brkm(TBROK, tst_exit, "sctp_getpaddrs with socket of "
+ "different protocol error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_getpaddrs() with socket of different protocol - "
+ "EOPNOTSUPP");
+
+ /*sctp_getpaddrs() TEST9: Getting the peer addresses*/
+ error = sctp_getpaddrs(acpt_sk, 0, &paddrs);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "sctp_getpaddrs with valid socket "
+ "error:%d, errno:%d", error, errno);
+
+ addr = (struct sockaddr_in *)paddrs;
+ if (addr->sin_port != acpt_addr.sin_port ||
+ addr->sin_family != acpt_addr.sin_family ||
+ addr->sin_addr.s_addr != acpt_addr.sin_addr.s_addr)
+ tst_brkm(TBROK, tst_exit, "sctp_getpaddrs comparision failed");
+
+ tst_resm(TPASS, "sctp_getpaddrs() - SUCCESS");
+
+ /*sctp_freeapddrs() TEST10: freeing the peer address*/
+ if ((sctp_freepaddrs(paddrs)) < 0)
+ tst_brkm(TBROK, tst_exit, "sctp_freepaddrs "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_freepaddrs() - SUCCESS");
+
+ close(clnt_sk);
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the connect () call for 1-1 style sockets
+ *
+ * TEST1: Bad socket descriptor
+ * TEST2: Invalid socket
+ * TEST3: Invalid address
+ * TEST4: Invalid address length
+ * TEST5: Invalid address family
+ * TEST6: Valid blocking connect
+ * TEST7: Connect when accept queue is full
+ * TEST8: On a listening socket
+ * TEST9: On established socket
+ * TEST10: Connect to re-establish a closed association.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <linux/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <sys/errno.h>
+#include <sys/uio.h>
+#include <netinet/sctp.h>
+#include "sctputil.h"
+
+char *TCID = __FILE__;
+int TST_TOTAL = 10;
+int TST_CNT = 0;
+
+#define SK_MAX 10
+
+int
+main(int argc, char *argv[])
+{
+ int error,i;
+ socklen_t len;
+ int sk,lstn_sk,clnt_sk[SK_MAX],acpt_sk[SK_MAX],pf_class;
+ int sk1,clnt2_sk;
+
+ struct sockaddr_in conn_addr,lstn_addr,acpt_addr;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ pf_class = PF_INET;
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /*Creating a listen socket*/
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /*Creating a regular socket*/
+ for (i = 0 ; i < SK_MAX ; i++)
+ clnt_sk[i] = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ clnt2_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ /*Binding the listen socket*/
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ /*Listening the socket*/
+ test_listen(lstn_sk, SK_MAX-1);
+
+
+ /*connect () TEST1: Bad socket descriptor, EBADF Expected error*/
+ len = sizeof(struct sockaddr_in);
+ error = connect(-1, (const struct sockaddr *) &conn_addr, len);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "connect with bad socket "
+ "descriptor error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect() with bad socket descriptor - EBADF");
+
+ /*connect () TEST2: Invalid socket, ENOTSOCK Expected error*/
+ error = connect(0, (const struct sockaddr *) &conn_addr, len);
+ if (error != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "connect with invalid socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect() with invalid socket - ENOTSOCK");
+
+ /*connect () TEST3: Invalid address, EFAULT Expected error*/
+ error = connect(sk, (const struct sockaddr *) -1, len);
+ if (error != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "connect with invalid address "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect() with invalid address - EFAULT");
+
+ /*connect () TEST4: Invalid address length, EINVAL Expected error*/
+ error = connect(sk, (const struct sockaddr *) &conn_addr, (len - 3));
+ if (error != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "connect with invalid address length "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect() with invalid address length - EINVAL");
+
+ /*connect () TEST5: Invalid address family, EINVAL Expect error*/
+ conn_addr.sin_family = 9090; /*Assigning invalid address family*/
+ error = connect(sk, (const struct sockaddr *) &conn_addr, len);
+ if (error != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "connect with invalid address family "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect() with invalid address family - EINVAL");
+
+ conn_addr.sin_family = AF_INET;
+
+ /*connect () TEST6: Blocking connect, should pass*/
+ /*All the be below blocking connect should pass as socket will be
+ listening SK_MAX clients*/
+ for (i = 0 ; i < SK_MAX ; i++) {
+ error = connect(clnt_sk[i], (const struct sockaddr *)&conn_addr,
+ len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "valid blocking connect "
+ "error:%d, errno:%d", error, errno);
+ }
+
+ tst_resm(TPASS, "valid blocking connect() - SUCCESS");
+
+ /*connect () TEST7: connect when accept queue is full, ECONNREFUSED
+ Expect error*/
+ /*Now that accept queue is full, the below connect should fail*/
+ error = connect(clnt2_sk, (const struct sockaddr *) &conn_addr, len);
+ if (error != -1 || errno != ECONNREFUSED)
+ tst_brkm(TBROK, tst_exit, "connect when accept queue is full "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect() when accept queue is full - ECONNREFUSED");
+
+ /*Calling a accept first to estblish the pending connections*/
+ for (i=0 ; i < SK_MAX ; i++)
+ acpt_sk[i] = test_accept(lstn_sk,
+ (struct sockaddr *) &acpt_addr, &len);
+
+ /*connect () TEST8: from a listening socket, EISCONN Expect error*/
+ error = connect(lstn_sk, (const struct sockaddr *) &lstn_addr, len);
+ if (error != -1 || errno != EISCONN)
+ tst_brkm(TBROK, tst_exit, "connect on a listening socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect() on a listening socket - EISCONN");
+
+ /*connect() TEST9: On established socket, EISCONN Expect error*/
+ i=0;
+ error = connect(acpt_sk[i], (const struct sockaddr *) &lstn_addr, len);
+ if (error != -1 || errno != EISCONN)
+ tst_brkm(TBROK, tst_exit, "connect on an established socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect() on an established socket - EISCONN");
+
+ for (i = 0 ; i < 4 ; i++) {
+ close(clnt_sk[i]);
+ close(acpt_sk[i]);
+ }
+
+ /* connect() TEST10: Re-establish an association that is closed.
+ * should succeed.
+ */
+ error = connect(sk1, (const struct sockaddr *)&conn_addr, len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "Re-establish an association that "
+ "is closed error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect() to re-establish a closed association - "
+ "SUCCESS");
+
+ close(sk);
+ close(sk1);
+ close(lstn_sk);
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the sctp_connectx () call for 1-1 style sockets
+ *
+ * TEST1: Bad socket descriptor
+ * TEST2: Invalid socket
+ * TEST3: Invalid address
+ * TEST4: Invalid address length
+ * TEST5: Invalid address family
+ * TEST6: Valid blocking sctp_connectx
+ * TEST7: Connect when accept queue is full
+ * TEST8: On a listening socket
+ * TEST9: On established socket
+ * TEST10: Connect to re-establish a closed association.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <linux/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <sys/errno.h>
+#include <sys/uio.h>
+#include <netinet/sctp.h>
+#include "sctputil.h"
+
+char *TCID = __FILE__;
+int TST_TOTAL = 10;
+int TST_CNT = 0;
+
+#define SK_MAX 10
+
+int
+main(int argc, char *argv[])
+{
+ int error,i;
+ socklen_t len;
+ int sk,lstn_sk,clnt_sk[SK_MAX],acpt_sk[SK_MAX],pf_class;
+ int sk1,clnt2_sk;
+
+ struct sockaddr_in conn_addr,lstn_addr,acpt_addr;
+ struct sockaddr *tmp_addr;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ pf_class = PF_INET;
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /*Creating a listen socket*/
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /*Creating a regular socket*/
+ for (i = 0 ; i < SK_MAX ; i++)
+ clnt_sk[i] = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ clnt2_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ /*Binding the listen socket*/
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ /*Listening the socket*/
+ test_listen(lstn_sk, SK_MAX-1);
+
+
+ /*sctp_connectx () TEST1: Bad socket descriptor, EBADF Expected error*/
+ len = sizeof(struct sockaddr_in);
+ error = sctp_connectx(-1, (struct sockaddr *) &conn_addr, 1, NULL);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "sctp_connectx with bad socket "
+ "descriptor error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_connectx() with bad socket descriptor - EBADF");
+
+ /*sctp_connectx () TEST2: Invalid socket, ENOTSOCK Expected error*/
+ error = sctp_connectx(0, (struct sockaddr *) &conn_addr, 1, NULL);
+ if (error != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "sctp_connectx with invalid socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_connectx() with invalid socket - ENOTSOCK");
+
+ /*sctp_connectx () TEST3: Invalid address, EINVAL Expected error*/
+ tmp_addr = (struct sockaddr *) malloc(sizeof(struct sockaddr) - 1);
+ tmp_addr->sa_family = AF_INET;
+ error = sctp_connectx(sk, tmp_addr, 1, NULL);
+ if (error != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "sctp_connectx with invalid address "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_connectx() with invalid address - EINVAL");
+
+ /*sctp_connectx () TEST4: Invalid address length, EINVAL Expected error*/
+ error = sctp_connectx(sk, (struct sockaddr *) &conn_addr, 0, NULL);
+ if (error != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "sctp_connectx with invalid address length "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_connectx() with invalid address length - EINVAL");
+
+ /*sctp_connectx () TEST5: Invalid address family, EINVAL Expect error*/
+ conn_addr.sin_family = 9090; /*Assigning invalid address family*/
+ error = sctp_connectx(sk, (struct sockaddr *) &conn_addr, 1, NULL);
+ if (error != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "sctp_connectx with invalid address family "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_connectx() with invalid address family - EINVAL");
+
+ conn_addr.sin_family = AF_INET;
+
+ /*sctp_connectx () TEST6: Blocking sctp_connectx, should pass*/
+ /*All the be below blocking sctp_connectx should pass as socket will be
+ listening SK_MAX clients*/
+ for (i = 0 ; i < SK_MAX ; i++) {
+ error = sctp_connectx(clnt_sk[i], (struct sockaddr *)&conn_addr,
+ 1, NULL);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "valid blocking sctp_connectx "
+ "error:%d, errno:%d", error, errno);
+ }
+
+ tst_resm(TPASS, "valid blocking sctp_connectx() - SUCCESS");
+
+ /*sctp_connectx () TEST7: sctp_connectx when accept queue is full, ECONNREFUSED
+ Expect error*/
+ /*Now that accept queue is full, the below sctp_connectx should fail*/
+ error = sctp_connectx(clnt2_sk, (struct sockaddr *) &conn_addr, 1, NULL);
+ if (error != -1 || errno != ECONNREFUSED)
+ tst_brkm(TBROK, tst_exit, "sctp_connectx when accept queue is full "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_connectx() when accept queue is full - ECONNREFUSED");
+
+ /*Calling a accept first to estblish the pending sctp_connectxions*/
+ for (i=0 ; i < SK_MAX ; i++)
+ acpt_sk[i] = test_accept(lstn_sk,
+ (struct sockaddr *) &acpt_addr, &len);
+
+ /*sctp_connectx () TEST8: from a listening socket, EISCONN Expect error*/
+ error = sctp_connectx(lstn_sk, (struct sockaddr *) &lstn_addr, 1, NULL);
+ if (error != -1 || errno != EISCONN)
+ tst_brkm(TBROK, tst_exit, "sctp_connectx on a listening socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_connectx() on a listening socket - EISCONN");
+
+ /*sctp_connectx() TEST9: On established socket, EISCONN Expect error*/
+ i=0;
+ error = sctp_connectx(acpt_sk[i], (struct sockaddr *) &lstn_addr, 1, NULL);
+ if (error != -1 || errno != EISCONN)
+ tst_brkm(TBROK, tst_exit, "sctp_connectx on an established socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_connectx() on an established socket - EISCONN");
+
+ for (i = 0 ; i < 4 ; i++) {
+ close(clnt_sk[i]);
+ close(acpt_sk[i]);
+ }
+
+ /* sctp_connectx() TEST10: Re-establish an association that is closed.
+ * should succeed.
+ */
+ error = sctp_connectx(sk1, (struct sockaddr *)&conn_addr, 1, NULL);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "Re-establish an association that "
+ "is closed error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sctp_connectx() to re-establish a closed association - "
+ "SUCCESS");
+
+ close(sk);
+ close(sk1);
+ close(lstn_sk);
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This test tests the events for 1-1 style sockets.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ */
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h> /* needed by linux/sctp.h */
+#include <sys/uio.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+#include <string.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 4;
+int TST_CNT = 0;
+
+int
+main(int argc, char *argv[])
+{
+ int svr_sk, clt_sk,acpt_sk;
+ struct sockaddr_in svr_loop, clt_loop,acpt_loop;
+ struct iovec iov, out_iov;
+ struct msghdr inmessage, outmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ int error;
+ socklen_t len;
+ char *big_buffer;
+ struct sctp_event_subscribe event;
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+ char *message = "hello, world!\n";
+ uint32_t ppid;
+ uint32_t stream;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Initialize the server and client addresses. */
+ svr_loop.sin_family = AF_INET;
+ svr_loop.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ svr_loop.sin_port = htons(SCTP_TESTPORT_1);
+
+ clt_loop.sin_family = AF_INET;
+ clt_loop.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ clt_loop.sin_port = htons(SCTP_TESTPORT_1);
+
+ /* Create and bind the server socket. */
+ svr_sk = test_socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP);
+ test_bind(svr_sk, (struct sockaddr *) &svr_loop, sizeof(svr_loop));
+
+ /* Mark server socket as being able to accept new associations. */
+ test_listen(svr_sk, 3);
+
+ /* Create the client socket. */
+ clt_sk = test_socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP);
+
+ event.sctp_data_io_event = 1;
+ event.sctp_association_event = 1;
+ event.sctp_shutdown_event = 1;
+ len = sizeof(struct sctp_event_subscribe);
+ test_setsockopt(svr_sk, SCTP_EVENTS, &event, len);
+ test_setsockopt(clt_sk, SCTP_EVENTS, &event, len);
+
+ len = sizeof(struct sockaddr_in);
+ test_connect(clt_sk, (struct sockaddr *) &clt_loop, len);
+
+ acpt_sk = test_accept(svr_sk, (struct sockaddr *) &acpt_loop, &len);
+
+ /* Build up a msghdr structure we can use for all sending. */
+ memset(&outmessage, 0, sizeof(outmessage));
+ outmessage.msg_name = &svr_loop;
+ outmessage.msg_namelen = sizeof(svr_loop);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid = rand(); /* Choose an arbitrary value. */
+ stream = 1;
+
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = (strlen(message) + 1);
+
+ /* Send . This will create the association*/
+ test_sendmsg(clt_sk, &outmessage, 0, strlen(message)+1);
+
+ memset(&inmessage, 0, sizeof(inmessage));
+ /* NOW initialize inmessage with enough space for DATA... */
+ big_buffer = malloc(REALLY_BIG);
+ if (!big_buffer) { DUMP_CORE; }
+
+ /* Let's do a test to do a recvmsg when we are not listening and
+ * when we have no associations.
+ */
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+ error = test_recvmsg(clt_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage,
+ error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE,
+ SCTP_COMM_UP);
+
+ tst_resm(TPASS, "COMM_UP notification on client socket - SUCCESS");
+
+ error = test_recvmsg(acpt_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage,
+ error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE,
+ SCTP_COMM_UP);
+
+ tst_resm(TPASS, "COMM_UP notification on server socket - SUCCESS");
+
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(acpt_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+
+ tst_resm(TPASS, "Data message on server socket - SUCCESS");
+
+ close(clt_sk);
+ error = test_recvmsg(acpt_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage,
+ error,
+ sizeof(struct sctp_shutdown_event),
+ SCTP_SHUTDOWN_EVENT,
+ 0);
+
+ tst_resm(TPASS, "SHUTDOWN notification on accepted socket - SUCCESS");
+ close(svr_sk);
+ close(acpt_sk);
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * When init timeout is set to zero, a connect () crashed the system. This case
+ * tests the fix for the same.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ */
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sys/uio.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 1;
+int TST_CNT = 0;
+
+int
+main (int argc, char **argv)
+{
+ int sk1, sk2, sk3, pf_class;
+ socklen_t len;
+ struct sockaddr_in lstn_addr, acpt_addr;
+ struct sockaddr_in conn_addr;
+ char * buffer_rcv;
+ struct sctp_initmsg sinmsg;
+ char *message = "Hello World!\n";
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ /* Opening the socket*/
+
+ pf_class = PF_INET;
+
+ sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ sk3 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ test_bind(sk3, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ len = sizeof(struct sctp_initmsg);
+ sinmsg.sinit_num_ostreams = 65535;
+ sinmsg.sinit_max_instreams = 10;
+ sinmsg.sinit_max_attempts = 1;
+ sinmsg.sinit_max_init_timeo = 0;
+ test_setsockopt(sk1, SCTP_INITMSG, &sinmsg, len);
+ sinmsg.sinit_num_ostreams = 10;
+ sinmsg.sinit_max_instreams = 65535;
+ test_setsockopt(sk3, SCTP_INITMSG, &sinmsg, len);
+
+ test_listen(sk3, 1);
+
+ len = sizeof(struct sockaddr_in);
+ test_connect(sk1, (struct sockaddr *) &conn_addr, len);
+
+ sk2 = test_accept(sk3, (struct sockaddr *) &acpt_addr, &len);
+
+ test_sctp_sendmsg(sk1, message, strlen(message) + 1,
+ (struct sockaddr *)&conn_addr, len,
+ 0, 0, 65534, 0, 0);
+
+ buffer_rcv = malloc(100);
+ test_recv(sk2, buffer_rcv, (strlen(message) + 1), MSG_NOSIGNAL);
+
+ tst_resm(TPASS, "connect() with init timeout set to 0 - SUCCESS");
+
+ close (sk1);
+ close (sk2);
+ close (sk3);
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the Non-Blocking mode of connect(),
+ * accept() and recvmsg() calls.
+ *
+ * TEST1: Non blocking accept return EAGAIN if connect is not called
+ * TEST2: Non blocking connect should return EINPROGRESS
+ * TEST3: accept() passes when connect called in Non-blocking mode
+ * TEST4: Non blocking recvmsg should return EAGAIN
+ * TEST5: recvmsg() should succeed if data present to receive in non blocking
+ * mode
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sys/uio.h>
+#include <linux/socket.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 5;
+int TST_CNT = 0;
+
+int
+main(int argc, char *argv[])
+{
+ int error,msg_count;
+ socklen_t len;
+ int sk,pf_class,lstn_sk,acpt_sk,flag,cflag,sflag;
+ struct msghdr outmessage;
+ struct msghdr inmessage;
+ char *message = "hello, world!\n";
+ struct iovec iov;
+ struct iovec iov_rcv;
+ struct sctp_sndrcvinfo *sinfo;
+ int count;
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct iovec out_iov;
+ char * buffer_snd;
+ char * buffer_rcv;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+
+ struct sockaddr_in conn_addr,lstn_addr,svr_addr;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbufferd
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ pf_class = PF_INET;
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ /*Binding the listen socket*/
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ /*Listening the socket*/
+ test_listen(lstn_sk, 10);
+
+ len = sizeof(struct sockaddr_in);
+ flag = MSG_NOSIGNAL;
+
+ /*Setting server socket non-blocking*/
+ sflag = fcntl(lstn_sk, F_GETFL, 0);
+ if (sflag < 0)
+ tst_brkm(TBROK, tst_exit, "fcnt F_GETFL failed "
+ "sflag:%d, errno:%d", sflag, errno);
+
+ error = fcntl(lstn_sk, F_SETFL, sflag | O_NONBLOCK);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "fcnt F_SETFL failed "
+ "error:%d, errno:%d", error, errno);
+
+ /* TEST1: accept should return EAGAIN instead blocking. */
+ error = accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);
+ if (error != -1 || errno != EAGAIN)
+ tst_brkm(TBROK, tst_exit, "non-blocking accept "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "non-blocking accept() - EAGAIN");
+
+ /* TEST2: Non Block connect should return EINPROGRESS */
+ /*Set client socket as non-blocking*/
+ cflag = fcntl(sk, F_GETFL, 0);
+ if (cflag < 0)
+ tst_brkm(TBROK, tst_exit, "fcnt F_GETFL failed "
+ "cflag:%d, errno:%d", cflag, errno);
+
+ error = fcntl(sk, F_SETFL, sflag | O_NONBLOCK);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "fcnt F_SETFL failed "
+ "error:%d, errno:%d", error, errno);
+
+ error = connect(sk, (const struct sockaddr *) &conn_addr, len);
+ if (error != -1 || errno != EINPROGRESS)
+ tst_brkm(TBROK, tst_exit, "non-blocking connect "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "non-blocking connect() - EINPROGRESS");
+
+ /* TEST3: Now that connect() called, accept will succeed */
+ acpt_sk = accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);
+ if (acpt_sk < 0)
+ tst_brkm(TBROK, tst_exit, "accept after a non-blocking connect "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "accept() after a non-blocking connect - SUCCESS");
+
+ memset(&outmessage, 0, sizeof(outmessage));
+ buffer_snd = malloc(REALLY_BIG);
+
+ outmessage.msg_name = &svr_addr;
+ outmessage.msg_namelen = sizeof(svr_addr);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+
+ iov.iov_base = buffer_snd;
+ iov.iov_len = REALLY_BIG;
+ outmessage.msg_iov->iov_base = message;
+
+ outmessage.msg_iov->iov_len = strlen(message) + 1;
+
+ memset(&inmessage, 0, sizeof(inmessage));
+ buffer_rcv = malloc(REALLY_BIG);
+
+ iov_rcv.iov_base = buffer_rcv;
+ iov_rcv.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov_rcv;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+ msg_count = strlen(message) + 1;
+
+ /* TEST4: recvmsg() should return EAGAIN instead blocking */
+ error = recvmsg(sk, &inmessage, MSG_WAITALL);
+ if ( error != -1 || errno != EAGAIN)
+ tst_brkm(TBROK, tst_exit, "non-blocking recvmsg "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "non-blocking recvmsg() - EAGAIN");
+
+ count = test_sendmsg(acpt_sk, &outmessage, flag, msg_count);
+
+ /* TEST5: recvmsg() should succeed now as data is available. */
+ error = test_recvmsg(sk, &inmessage, flag);
+ test_check_msg_data(&inmessage, error, msg_count, MSG_EOR, 0, 0);
+
+ tst_resm(TPASS, "non-blocking recvmsg() when data is available - "
+ "SUCCESS");
+
+ close(lstn_sk);
+ close(acpt_sk);
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the recvfrom () call for 1-1 style sockets
+ *
+ * TEST1: Bad socket descriptor
+ * TEST2: Invalid socket
+ * TEST3: Invalid message pointer
+ * TEST4: On a listening socket
+ * TEST5: Reading on a socket that received SHUTDOWN
+ * TEST6: Reading the pending message on socket that received SHUTDOWN
+ * TEST7: No more message and association is shutdown
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sys/uio.h>
+#include <linux/socket.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 7;
+int TST_CNT = 0;
+
+int
+main(int argc, char *argv[])
+{
+ int ret, msg_count;
+ socklen_t len;
+ int sk,pf_class,lstn_sk,acpt_sk, flag;
+ char *message = "hello, world!\n";
+ char *message_rcv;
+ int count;
+
+ struct sockaddr_in conn_addr,lstn_addr,svr_addr;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ message_rcv = malloc(512);
+
+ pf_class = PF_INET;
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ /*Binding the listen socket*/
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ /*Listening the socket*/
+ test_listen(lstn_sk, 10);
+
+ len = sizeof(struct sockaddr_in);
+
+ test_connect(sk, (struct sockaddr *) &conn_addr, len);
+
+ acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);
+
+ msg_count = (strlen(message) + 1);
+
+ flag = MSG_NOSIGNAL;
+ /*Sending the message*/
+ count = test_send(sk, message, msg_count, flag);
+
+ /*recvfrom () TEST1: Bad socket descriptor, EBADF Expected error*/
+ count = recvfrom(-1, message_rcv, msg_count, flag,
+ (struct sockaddr *)&svr_addr, &len);
+ if (count != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "recvfrom with a bad socket "
+ "descriptor count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvfrom() with a bad socket descriptor - EBADF");
+
+ /*recvfrom () TEST2: Invalid socket , ENOTSOCK Expected error*/
+ count = recvfrom(0, message_rcv, msg_count, flag,
+ (struct sockaddr *)&svr_addr, &len);
+ if (count != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "recvfrom with invalid socket "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvfrom() with invalid socket - ENOTSOCK");
+
+ /*recvfrom () TEST3: Invalid message pointer EFAULT, Expected error*/
+ count = recvfrom(acpt_sk, (char *)-1, msg_count, flag,
+ (struct sockaddr *)&svr_addr, &len);
+ if (count != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "recvfrom with invalid message "
+ "pointer count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvfrom() with invalid message ptr - EFAULT");
+
+ /*TEST4: recvfrom on listening socket,ENOTCONN Expected error*/
+ count = recvfrom(lstn_sk, message_rcv, msg_count, flag,
+ (struct sockaddr *)&svr_addr, &len);
+ if (count != -1 || errno != ENOTCONN)
+ tst_brkm(TBROK, tst_exit, "recvfrom on listening socket "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvfrom() on listening socket - ENOTCONN");
+
+ count = test_send(acpt_sk, message, msg_count, flag);
+
+ ret = test_shutdown(sk, SHUT_WR);
+
+ /*recvfrom () TEST5:reading on a socket that received SHUTDOWN*/
+ count = recvfrom(acpt_sk, message_rcv, msg_count, flag,
+ (struct sockaddr *)&svr_addr, &len);
+ if (count < 0)
+ tst_brkm(TBROK, tst_exit, "recvfrom on a socket that has "
+ "received shutdown count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvfrom() on a socket that has received shutdown - "
+ "EOF");
+
+ /*recvfrom () TEST6:reading the pending message on socket that sent
+ SHUTDOWN*/
+ count = recvfrom(sk, message_rcv, msg_count, flag,
+ (struct sockaddr *)&svr_addr, &len);
+ if (count < 0)
+ tst_brkm(TBROK, tst_exit, "recvfrom on a socket with pending "
+ "message that has sent shutdown count:%d, errno:%d",
+ count, errno);
+
+ tst_resm(TPASS, "recvfrom() on a socket with pending message that has "
+ "sent shutdown - SUCCESS");
+
+ /*recvfrom () TEST7: No more message and association is shutdown,
+ ENOTCONN Expected error*/
+ count = recvfrom(sk, message_rcv, msg_count, flag,
+ (struct sockaddr *)&svr_addr, &len);
+ if (count != -1 || errno != ENOTCONN)
+ tst_brkm(TBROK, tst_exit, "recvfrom on a socket with no "
+ "pending messages and has sent shutdown count:%d, "
+ "errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvfrom() on a socket with no pending messages and "
+ " has sent shutdown - ENOTCONN");
+
+ close(sk);
+ close(lstn_sk);
+ close(acpt_sk);
+ return 0;
+
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the recvmsg() call for 1-1 style sockets
+ *
+ * TEST1: Bad socket descriptor
+ * TEST2: Invalid socket
+ * TEST3: Invalid iovec pointer
+ * TEST4: Invalid msghdr pointer
+ * TEST5: On a listening socket
+ * TEST6: Reading on a socket that received SHUTDOWN
+ * TEST7: Reading the pending message socket that received SHUTDOWN
+ * TEST8: No more message and association is shutdown
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sys/uio.h>
+#include <linux/socket.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 8;
+int TST_CNT = 0;
+
+int
+main(int argc, char *argv[])
+{
+ socklen_t len;
+ int ret;
+ int sk,pf_class,lstn_sk,acpt_sk;
+ int flag = 0;
+ struct msghdr inmessage;
+ char *message = "hello, world!\n";
+ struct iovec iov_rcv;
+ int count;
+ char * buffer_rcv;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char *message1 = "hello, world!\n";
+
+ struct sockaddr_in conn_addr,lstn_addr,svr_addr;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ pf_class = PF_INET;
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ /*Binding the listen socket*/
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ /*Listening the socket*/
+ test_listen(lstn_sk, 10);
+
+ len = sizeof(struct sockaddr_in);
+
+ test_connect(sk, (struct sockaddr *) &conn_addr, len);
+
+ acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);
+
+ memset(&inmessage, 0, sizeof(inmessage));
+ buffer_rcv = malloc(REALLY_BIG);
+
+ iov_rcv.iov_base = buffer_rcv;
+ iov_rcv.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov_rcv;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+ /*recvmsg () TEST1: Bad socket descriptor, EBADF Expected error*/
+ count = recvmsg(-1, &inmessage, flag);
+ if (count != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "recvmsg with a bad socket "
+ "descriptor count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvmsg() with a bad socket descriptor - EBADF");
+
+ /*recvmsg () TEST2: Invalid socket , ENOTSOCK Expected error*/
+ count = recvmsg(0, &inmessage, flag);
+ if (count != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "recvmsg with invalid socket "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvmsg() with invalid socket - ENOTSOCK");
+
+ /*recvmsg () TEST3: Invalid iovec pointer EFAULT, Expected error*/
+ inmessage.msg_iov = (struct iovec *)-1;
+ count = recvmsg(acpt_sk, &inmessage, flag);
+ if (count != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "recvmsg with invalid iovec "
+ "pointer count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvmsg() with invalid iovec ptr - EFAULT");
+
+ inmessage.msg_iov = &iov_rcv;
+
+ /*recvmsg () TEST4: Invalid msghdr pointer EFAULT, Expected error*/
+ count = recvmsg(acpt_sk, (struct msghdr *)-1, flag);
+ if (count != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "recvmsg with invalid msghdr "
+ "pointer count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvmsg() with invalid msghdr ptr - EFAULT");
+
+ /*recvmsg () TEST5:recvmsg on listening socket,ENOTCONN Expected error*/
+ count = recvmsg(lstn_sk, &inmessage, flag);
+ if (count != -1 || errno != ENOTCONN)
+ tst_brkm(TBROK, tst_exit, "recvmsg on listening socket "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvmsg() on listening socket - ENOTCONN");
+
+ count = test_send(acpt_sk, message1, strlen(message), 0);
+
+ ret = test_shutdown(sk, SHUT_WR);
+
+ flag = MSG_NOSIGNAL;
+ /*recvmsg () TEST6:reading on a socket that received SHUTDOWN*/
+ count = recvmsg(acpt_sk, &inmessage, flag);
+ if (count < 0)
+ tst_brkm(TBROK, tst_exit, "recvmsg on a socket that has "
+ "received shutdown count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvmsg() on a socket that has received shutdown - "
+ "EOF");
+
+ /*recvmsg () TEST7:reading the pending message socket that sent
+ SHUTDOWN*/
+ count = recvmsg(sk, &inmessage, flag);
+ if (count < 0)
+ tst_brkm(TBROK, tst_exit, "recvmsg on a socket with pending "
+ "message that has sent shutdown count:%d, errno:%d",
+ count, errno);
+
+ tst_resm(TPASS, "recvmsg() on a socket with pending message that has "
+ "sent shutdown - SUCCESS");
+
+ /*recvmsg () TEST8: No more message and association is shutdown,
+ ENOTCONN Expected error*/
+ count = recvmsg(sk, &inmessage, flag);
+ if (count != -1 || errno != ENOTCONN)
+ tst_brkm(TBROK, tst_exit, "recvmsg on a socket with no "
+ "pending messages and has sent shutdown count:%d, "
+ "errno:%d", count, errno);
+
+ tst_resm(TPASS, "recvmsg() on a socket with no pending messages and "
+ " has sent shutdown - ENOTCONN");
+
+ close(sk);
+ close(lstn_sk);
+ close(acpt_sk);
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the getsockopt () and sectsockopt () with
+ * SCTP_RTOINFO option on 1-1 style socket
+ *
+ * This program first gets the default values using getsockopt(). It also sets
+ * the value using setsockopt() and gets the set value using getsockopt().
+ * A comparison between set values and get values are performed.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <linux/socket.h>
+#include <linux/in.h> /* for sockaddr_in */
+#include <linux/in6.h> /* for sockaddr_in6 */
+#include <sys/errno.h>
+#include <sys/uio.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 3;
+int TST_CNT = 0;
+
+int
+main(void)
+{
+
+ int sd, ret;
+ socklen_t len;
+ struct sctp_rtoinfo srtoinfo; /*setting the variables*/
+ struct sctp_rtoinfo grtoinfo; /*Getting the variables*/
+
+ sd = test_socket (PF_INET, SOCK_STREAM, IPPROTO_SCTP);
+
+ len = sizeof(struct sctp_rtoinfo);
+
+ /*TEST1 Getting the default values using getsockopt()*/
+ ret = getsockopt(sd, IPPROTO_SCTP, SCTP_RTOINFO, &grtoinfo, &len);
+ if (ret < 0)
+ tst_brkm(TBROK, tst_exit, "getsockopt SCTP_RTOINFO "
+ "ret:%d, errno:%d", ret, errno);
+
+ tst_resm(TPASS, "getsockopt() SCTP_RTOINFO - SUCCESS");
+
+ /*Assigning the values to RTO initial and max and min bounds*/
+ srtoinfo.srto_initial=60;
+ srtoinfo.srto_max=100;
+ srtoinfo.srto_min=40;
+
+ /*TEST2 Setting the values using setsockopt()*/
+ ret = setsockopt(sd, IPPROTO_SCTP, SCTP_RTOINFO, &srtoinfo,
+ sizeof(struct sctp_rtoinfo));
+ if (ret < 0)
+ tst_brkm(TBROK, tst_exit, "setsockopt SCTP_RTOINFO "
+ "ret:%d, errno:%d", ret, errno);
+
+ tst_resm(TPASS, "setsockopt() SCTP_RTOINFO - SUCCESS");
+
+ /*Getting the values which are set using setsockopt()*/
+ ret = getsockopt(sd, IPPROTO_SCTP, SCTP_RTOINFO, &grtoinfo, &len);
+ if (ret < 0)
+ tst_brkm(TBROK, tst_exit, "getsockopt SCTP_RTOINFO "
+ "ret:%d, errno:%d", ret, errno);
+
+ /* TEST3 Compare the get values with the set values. */
+ if (srtoinfo.srto_initial != grtoinfo.srto_initial &&
+ srtoinfo.srto_max != grtoinfo.srto_max &&
+ srtoinfo.srto_min != grtoinfo.srto_min)
+ tst_brkm(TBROK, tst_exit, "setsockopt/getsockopt SCTP_RTOINFO "
+ "compare failed");
+
+ tst_resm(TPASS, "setsockopt()/getsockopt SCTP_RTOINFO compare - "
+ "SUCCESS");
+
+ close(sd);
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the send() call for 1-1 style sockets
+ *
+ * TEST1: Bad socket descriptor
+ * TEST2: Invalid socket
+ * TEST3: On a listening socket
+ * TEST4: On a closed association
+ * TEST5: Invalid message address
+ * TEST6: send from client to server
+ * TEST7: send from server to client
+ * TEST8: sending partial data from a buffer
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sys/uio.h>
+#include <linux/socket.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 8;
+int TST_CNT = 0;
+
+int
+main(int argc, char *argv[])
+{
+ socklen_t len,len_snd;
+ int msg_count;
+ int sk,sk1,pf_class,lstn_sk,acpt_sk,acpt1_sk, flag, count;
+ char *message = "hello, world!\n";
+ char *message_rcv;
+
+ struct sockaddr_in conn_addr,lstn_addr,svr_addr;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ pf_class = PF_INET;
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ /*Binding the listen socket*/
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ /*Listening the socket*/
+ test_listen(lstn_sk, 10);
+
+ len = sizeof(struct sockaddr_in);
+
+ test_connect(sk, (struct sockaddr *) &conn_addr, len);
+
+ acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);
+
+ len_snd = (strlen(message) + 1);
+
+ flag = MSG_NOSIGNAL;
+ /*send () TEST1: Bad socket descriptor, EBADF Expected error*/
+ count = send(-1, message, len_snd, flag);
+ if (count != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "send with a bad socket "
+ "descriptor count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "send() with a bad socket descriptor - EBADF");
+
+ /*send () TEST2: Invalid socket, ENOTSOCK Expected error*/
+ count = send(0, message, len_snd, flag);
+ if (count != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "send with invalid socket "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "send() with invalid socket - ENOTSOCK");
+
+ /*send () TEST3: send on listening socket, EPIPE Expected error*/
+ count = send(lstn_sk, message, len_snd, flag);
+ if (count != -1 || errno != EPIPE)
+ tst_brkm(TBROK, tst_exit, "send on a listening socket "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "send() on a listening socket - EPIPE");
+#if 0
+ /*send () TEST4: Invalid message address, EFAULT Expected error*/
+ /* FIXME this test should pass. Don't catch why... */
+ count = send(sk, (char *)0x1, len_snd, flag);
+ if (count != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "send with invalid message "
+ "pointer count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "send() with invalid message ptr - EFAULT");
+#endif
+
+ test_connect(sk1, (struct sockaddr *) &lstn_addr, len);
+
+ count = test_send(sk1, message, len_snd, flag);
+
+ close(sk1);
+
+ acpt1_sk = test_accept(lstn_sk, (struct sockaddr *)&conn_addr, &len);
+
+ /*send () TEST5: send on closed association, EPIPE Expected error*/
+ count = send(acpt1_sk, message, len_snd, flag);
+ if (count != -1 || errno != EPIPE)
+ tst_brkm(TBROK, tst_exit, "send on a closed association "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "send() on a closed association - EPIPE");
+
+ close(acpt1_sk);
+ close(sk);
+ close(lstn_sk);
+ close(acpt_sk);
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ message_rcv = malloc(512);
+
+ /*Binding the listen socket*/
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ /*Listening the socket*/
+ test_listen(lstn_sk, 10);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ len = sizeof(struct sockaddr_in);
+
+ test_connect(sk, (struct sockaddr *) &conn_addr, len);
+
+ acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);
+
+ msg_count = strlen(message) + 1;
+
+ /*send() TEST6: Sending data from client socket to server socket*/
+ count = send(sk, message, msg_count, flag);
+ if (count != msg_count)
+ tst_brkm(TBROK, tst_exit, "send from client to server "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "send() from client to server - SUCCESS");
+
+ test_recv(acpt_sk, message_rcv, msg_count, flag);
+
+ strncpy(message_rcv,"\0",512);
+
+ /*send() TEST7: Sending data from accept socket to client socket*/
+ count = send(acpt_sk, message, msg_count, flag);
+ if (count != msg_count)
+ tst_brkm(TBROK, tst_exit, "send from accept socket to client "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "send() from accept socket to client - SUCCESS");
+
+ test_recv(sk, message_rcv, msg_count, flag);
+
+ /*send() TEST8: Sending less number of data from the buffer*/
+ /*Sending only 5 bytes so that only hello is received*/
+ test_send(sk, message, 5 , flag);
+ test_recv(acpt_sk, message_rcv, 5, flag);
+
+ tst_resm(TPASS, "send() partial data from a buffer - SUCCESS");
+
+ /* TEST9: sctp_send with no sinfo */
+ test_sctp_send(sk, message, strlen(message) + 1 , NULL, flag);
+ test_recv(acpt_sk, message_rcv, strlen(message) + 1, flag);
+ tst_resm(TPASS, "sctp_send() with no sinfo - SUCCESS");
+
+ close(sk1);
+ close(lstn_sk);
+ close(acpt_sk);
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the sendmsg() call for 1-1 style sockets
+ *
+ * TEST1: Bad socket descriptor
+ * TEST2: Invalid socket
+ * TEST3: On a listening socket
+ * TEST4: Invalid iovec pointer
+ * TEST5: Invalid iovec length
+ * TEST6: Invalid msghdr pointer
+ * TEST7: Invalid sinfo flags
+ * TEST8: SCTP_EOF flag set
+ * TEST9: SCTP_ABORT flag set
+ * TEST10: On a closed association
+ *
+ * TEST11: Sending data from server socket to client socket
+ * TEST12: Sending data from client socket to server socket
+ * TEST13: Sending data from unconnected client to server
+ * TEST14: Sending a message on SHUT_RD socket
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sys/uio.h>
+#include <linux/socket.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 14;
+int TST_CNT = 0;
+
+int
+main(int argc, char *argv[])
+{
+ socklen_t len;
+ int msg_count;
+ int sk,sk1,pf_class,lstn_sk,acpt_sk,acpt1_sk, flag;
+ struct msghdr outmessage;
+ char *message = "hello, world!\n";
+ struct iovec iov;
+ struct sctp_sndrcvinfo *sinfo;
+ int count;
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct iovec out_iov;
+ char * buffer;
+ struct msghdr inmessage;
+ char * buffer_snd;
+ char * buffer_rcv;
+ struct sockaddr_in conn_addr,lstn_addr,svr_addr;
+ struct iovec iov_rcv;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ pf_class = PF_INET;
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ /*Binding the listen socket*/
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ /*Listening the socket*/
+ test_listen(lstn_sk, 10);
+
+ len = sizeof(struct sockaddr_in);
+
+ test_connect(sk, (struct sockaddr *) &conn_addr, len);
+
+ acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);
+
+ memset(&outmessage, 0, sizeof(outmessage));
+ buffer = malloc(REALLY_BIG);
+
+ outmessage.msg_name = &conn_addr;
+ outmessage.msg_namelen = sizeof(conn_addr);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+
+ iov.iov_base = buffer;
+ iov.iov_len = REALLY_BIG;
+ outmessage.msg_iov->iov_base = message;
+
+ outmessage.msg_iov->iov_len = strlen(message) + 1;
+
+ flag = MSG_NOSIGNAL;
+ /*sendmsg () TEST1: Bad socket descriptor, EBADF Expected error*/
+ count = sendmsg(-1, &outmessage, flag);
+ if (count != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "sendmsg with a bad socket "
+ "descriptor count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() with a bad socket descriptor - EBADF");
+
+ /*sendmsg () TEST2: Invalid socket, ENOTSOCK Expected error*/
+ count = sendmsg(0, &outmessage, flag);
+ if (count != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "sendmsg with invalid socket "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() with invalid socket - ENOTSOCK");
+
+ /*sendmsg () TEST3: sendmsg on listening socket, EPIPE Expected error*/
+ count = sendmsg(lstn_sk, &outmessage, flag);
+ if (count != -1 || errno != EPIPE)
+ tst_brkm(TBROK, tst_exit, "sendmsg on a listening socket "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() on a listening socket - EPIPE");
+
+ /*sendmsg () TEST4: Invalid iovec pointer EFAULT, Expected error*/
+ outmessage.msg_iov = (struct iovec *)-1;
+ count = sendmsg(sk, &outmessage, flag);
+ if (count != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "sendmsg with invalid iovec "
+ "pointer count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() with invalid iovec ptr - EFAULT");
+
+ outmessage.msg_iov = &out_iov;
+
+ /*sendmsg () TEST5: Invalid iovec count EINVAL, Expected error*/
+ outmessage.msg_iovlen = 0;
+ count = sendmsg(sk, &outmessage, flag);
+ if (count != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "sendmsg with invalid iovec "
+ "length count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() with invalid iovec length - EINVAL");
+
+ outmessage.msg_iovlen = 1;
+
+ /*sendmsg () TEST6: Invalid msghdr pointer EFAULT, Expected error*/
+ count = sendmsg(sk, (struct msghdr *)-1, flag);
+ if (count != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "sendmsg with invalid msghdr "
+ "pointer count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() with invalid msghdr ptr - EFAULT");
+
+ /*sendmsg () TEST7: Invalid sinfo flag EINVAL, Expected error*/
+ sinfo->sinfo_flags = 999;
+ count = sendmsg(sk, &outmessage, -1);
+ if (count != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "sendmsg with invalid sinfo "
+ "flags count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() with invalid sinfo flags - EINVAL");
+
+ /*sendmsg () TEST8: SCTP_EOF flag EINVAL, Expected error*/
+ sinfo->sinfo_flags = SCTP_EOF;
+ count = sendmsg(sk, &outmessage, flag);
+ if (count != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "sendmsg with SCTP_EOF flag "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() with SCTP_EOF flag - EINVAL");
+
+ /*sendmsg () TEST9: SCTP_ABORT flag EINVAL, Expected error*/
+ sinfo->sinfo_flags = SCTP_ABORT;
+ count = sendmsg(sk, &outmessage, flag);
+ if (count != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "sendmsg with SCTP_ABORT flag "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() with SCTP_ABORT flag - EINVAL");
+
+ sinfo->sinfo_flags = 0;
+
+ test_connect(sk1, (struct sockaddr *) &lstn_addr, len);
+
+ test_sendmsg(sk1, &outmessage, flag, strlen(message)+1);
+
+ close(sk1);
+ acpt1_sk = test_accept(lstn_sk, (struct sockaddr *)&conn_addr, &len);
+
+ /*sendmsg () TEST10:sendmsg on closed association, EPIPE Expected error*/
+ count = sendmsg(acpt1_sk, &outmessage, flag);
+ if (count != -1 || errno != EPIPE)
+ tst_brkm(TBROK, tst_exit, "sendmsg on a closed association "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() on a closed association - EPIPE");
+
+ close(acpt1_sk);
+ close(sk);
+ close(lstn_sk);
+ close(acpt_sk);
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ /*Binding the listen socket*/
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ /*Listening the socket*/
+ test_listen(lstn_sk, 10);
+
+ len = sizeof(struct sockaddr_in);
+ flag = MSG_NOSIGNAL;
+
+ test_connect(sk, (struct sockaddr *) &conn_addr, len);
+
+ acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);
+
+ memset(&outmessage, 0, sizeof(outmessage));
+ buffer_snd = malloc(REALLY_BIG);
+
+ outmessage.msg_name = &svr_addr;
+ outmessage.msg_namelen = sizeof(svr_addr);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+
+ iov.iov_base = buffer_snd;
+ iov.iov_len = REALLY_BIG;
+ outmessage.msg_iov->iov_base = message;
+
+ outmessage.msg_iov->iov_len = strlen(message) + 1;
+
+ memset(&inmessage, 0, sizeof(inmessage));
+ buffer_rcv = malloc(REALLY_BIG);
+
+ iov_rcv.iov_base = buffer_rcv;
+ iov_rcv.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov_rcv;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+ msg_count = strlen(message) + 1;
+
+ /*sendmsg() TEST11: Sending data from server socket to client socket*/
+ count = sendmsg(acpt_sk, &outmessage, flag);
+ if (count != msg_count)
+ tst_brkm(TBROK, tst_exit, "sendmsg from accept socket to "
+ "client count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() from accept socket to client - SUCCESS");
+
+ count = test_recvmsg(sk, &inmessage, flag);
+ test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);
+
+ outmessage.msg_name = &conn_addr;
+ outmessage.msg_namelen = sizeof(conn_addr);
+ /*sendmsg() TEST12: Sending data from client socket to server socket*/
+ count = sendmsg(sk, &outmessage, flag);
+ if (count != msg_count)
+ tst_brkm(TBROK, tst_exit, "sendmsg from client to server "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() from client to server - SUCCESS");
+
+ count = test_recvmsg(acpt_sk, &inmessage, flag);
+ test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);
+
+ outmessage.msg_name = &conn_addr;
+ outmessage.msg_namelen = sizeof(conn_addr);
+ close(sk);
+ close(acpt_sk);
+ sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /*sendmsg() TEST13: Sending data from unconnected client socket to
+ server socket*/
+ count = sendmsg(sk1, &outmessage, flag);
+ if (count != msg_count)
+ tst_brkm(TBROK, tst_exit, "sendmsg from unconnected client to "
+ "server count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() from unconnected clt to server - SUCCESS");
+
+ acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);
+
+ count = test_recvmsg(acpt_sk, &inmessage, flag);
+ test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);
+
+ test_shutdown(sk1, SHUT_RD);
+
+ /*sendmsg() TEST14: Sending a message on SHUT_RD socket*/
+ count = sendmsg(sk1, &outmessage, flag);
+ if (count != msg_count)
+ tst_brkm(TBROK, tst_exit, "sendmsg on a SHUT_RD socket "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendmsg() on a SHUT_RD socket - SUCCESS");
+
+ count = test_recvmsg(acpt_sk, &inmessage, flag);
+ test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);
+
+ close(sk1);
+ close(lstn_sk);
+ close(acpt_sk);
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the sendto () call
+ * for 1-1 style sockets
+ *
+ * TEST1: Sending data from client socket to server socket
+ * TEST2: Sending data from accept (server) socket to client socket
+ * TEST3: Sending data from unconnected client socket to server
+ * TEST4: sending partial data from a buffer
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sys/uio.h>
+#include <linux/socket.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 4;
+int TST_CNT = 0;
+
+int
+main(int argc, char *argv[])
+{
+ int msg_count;
+ socklen_t len;
+ int sk,sk1,pf_class,lstn_sk,acpt_sk,flag;
+ char *message = "hello, world!\n";
+ char *message_rcv;
+ int count;
+
+ struct sockaddr_in conn_addr,lstn_addr,svr_addr;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbufferd
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ pf_class = PF_INET;
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ message_rcv = malloc(512);
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ /*Binding the listen socket*/
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ /*Listening the socket*/
+ test_listen(lstn_sk, 10);
+
+ len = sizeof(struct sockaddr_in);
+ flag = MSG_NOSIGNAL;
+
+ test_connect(sk, (struct sockaddr *) &conn_addr, len);
+
+ acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);
+
+ msg_count = strlen(message) + 1;
+
+ /*sendto() TEST1: Sending data from client socket to server socket*/
+ count = sendto(sk, message, msg_count, flag,
+ (const struct sockaddr *) &conn_addr, len);
+ if (count != msg_count)
+ tst_brkm(TBROK, tst_exit, "sendto from client to server "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendto() from client to server - SUCCESS");
+
+ test_recv(acpt_sk, message_rcv, msg_count, flag);
+
+ strncpy(message_rcv,"\0",512);
+
+ /*sendto() TEST2: Sending data from accept socket to client socket*/
+ count = sendto(acpt_sk, message, msg_count, flag,
+ (const struct sockaddr *) &svr_addr, len);
+ if (count != msg_count)
+ tst_brkm(TBROK, tst_exit, "sendto from accept socket to client "
+ "count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendto() from accept socket to client - SUCCESS");
+
+ test_recv(sk, message_rcv, msg_count, flag);
+
+ close(sk);
+ close(acpt_sk);
+
+ sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /*sendto() TEST3: Sending data from unconnected client socket to
+ server socket*/
+ count = sendto(sk1, message, msg_count, flag,
+ (const struct sockaddr *) &conn_addr, len);
+ if (count != msg_count)
+ tst_brkm(TBROK, tst_exit, "sendto from unconnected client to "
+ "server count:%d, errno:%d", count, errno);
+
+ tst_resm(TPASS, "sendto() from unconnected client to server - SUCCESS");
+
+ acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);
+
+ test_recv(acpt_sk, message_rcv, msg_count, flag);
+
+ /*send() TEST4: Sending less number of data from the buffer*/
+ /*Sending only 5 bytes so that only hello is received*/
+ test_sendto(sk, message, 5 , flag, (const struct sockaddr *)&conn_addr,
+ len);
+ test_recv(acpt_sk, message_rcv, 5, flag);
+
+ tst_resm(TPASS, "sendto() partial data from a buffer - SUCCESS");
+
+ close(sk1);
+ close(lstn_sk);
+ close(acpt_sk);
+ return 0;
+
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the shutdown() call for 1-1 style sockets
+ *
+ * TEST1: Bad socket descriptor
+ * TEST2: Invalid socket
+ * TEST3: shutdown with SHUT_WR flag to disable new send
+ * TEST4: shutdown with SHUT_RD flag to disable new receive
+ * TEST5: shutdown with SHUT_RDWR flag to disable new receive/send
+ * TEST6: Unconnected socket
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release
+ *
+ */
+
+#include <stdio.h>
+#include <sys/errno.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <linux/socket.h>
+#include <netinet/sctp.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 6;
+int TST_CNT = 0;
+
+#define MAX_CLIENTS 10
+
+int
+main(int argc, char *argv[])
+{
+ int clnt_sk[MAX_CLIENTS], acpt_sk[MAX_CLIENTS],sk;
+ int lstn_sk;
+ struct sockaddr_in lstn_addr, acpt_addr;
+ socklen_t addrlen;
+ int error, i;
+ char *message = "hello, world!\n";
+ char msgbuf[100];
+ int pf_class;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ /* Initialize the server and client addresses. */
+ pf_class = PF_INET;
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+
+ test_listen(lstn_sk, MAX_CLIENTS);
+
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ clnt_sk[i] = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ test_connect(clnt_sk[i], (struct sockaddr *)&lstn_addr,
+ sizeof(lstn_addr));
+ }
+
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ addrlen = sizeof(acpt_addr);
+ acpt_sk[i] = test_accept(lstn_sk, (struct sockaddr *)&acpt_addr,
+ &addrlen);
+ }
+
+ /*shutdown() TEST1: Bad socket descriptor, EBADF Expected error*/
+ error = shutdown(-1, SHUT_WR);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "shutdown with a bad socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "shutdown() with a bad socket descriptor - EBADF");
+
+ /*shutdown() TEST2: Invalid socket, ENOTSOCK Expected error*/
+ error = shutdown(0, SHUT_WR);
+ if (error != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "shutdown with an invalid socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "shutdown() with an invalid socket - ENOTSOCK");
+
+ errno = 0;
+ /*Do a send first before doing shutdown*/
+ test_send(acpt_sk[0], message, strlen(message), 0);
+
+ /*shutdown() TEST3: shutdown with SHUT_WR flag to disable new send*/
+ error = shutdown(clnt_sk[0], SHUT_WR);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "shutdown with SHUT_WR flag "
+ "error:%d, errno:%d", error, errno);
+
+ /* Reading on a socket that has received SHUTDOWN should return 0
+ * indicating EOF.
+ */
+ error = recv(acpt_sk[0], msgbuf, 100, 0);
+ if ((error != 0) || (errno != 0))
+ tst_brkm(TBROK, tst_exit, "recv on a SHUTDOWN received socket "
+ "error:%d, errno:%d", error, errno);
+
+ /* Read the pending message on clnt_sk[0] that was received before
+ * SHUTDOWN call.
+ */
+ test_recv(clnt_sk[0], msgbuf, 100, 0);
+
+ /* No more messages and the association is SHUTDOWN, should fail. */
+ error = recv(clnt_sk[0], msgbuf, 100, 0);
+ if ((error != -1) || (errno != ENOTCONN))
+ tst_brkm(TBROK, tst_exit, "recv on a SHUT_WR socket with no "
+ "messages error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "shutdown() with SHUT_WR flag - SUCCESS");
+
+ errno = 0;
+
+ /*shutdown() TEST4: shutdown with SHUT_RD flag to disable new receive*/
+ test_shutdown(clnt_sk[1], SHUT_RD);
+
+ error = recv(clnt_sk[1], msgbuf, 100, 0);
+ if ((error != 0) || (errno != 0))
+ tst_brkm(TBROK, tst_exit, "recv on a SHUT_RD socket "
+ "error:%d, errno:%d", error, errno);
+
+ /* Sending a message on SHUT_RD socket. */
+ error = test_send(clnt_sk[1], message, strlen(message), 0);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "send on a SHUT_RD socket "
+ "error:%d, errno:%d", error, errno);
+
+ /* Receive the message sent on SHUT_RD socket. */
+ test_recv(acpt_sk[1], msgbuf, 100, 0);
+
+ /* Send a message to the SHUT_RD socket. */
+ test_send(acpt_sk[1], message, strlen(message), 0);
+
+ /* We should not receive the message as the socket is SHUT_RD */
+ error = recv(clnt_sk[1], msgbuf, 100, 0);
+ if ((error != 0) || (errno != 0))
+ tst_brkm(TBROK, tst_exit, "recv on a SHUT_RD socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "shutdown() with SHUT_RD flag - SUCCESS");
+
+ /*shutdown() TEST5: shutdown with SHUT_RDWR flag to disable new
+ receive/send*/
+ test_shutdown(clnt_sk[2], SHUT_RDWR);
+
+ error = recv(acpt_sk[2], msgbuf, 100, 0);
+ if ((error != 0) || (errno != 0))
+ tst_brkm(TBROK, tst_exit, "recv on a SHUTDOWN received socket "
+ "error:%d, errno:%d", error, errno);
+
+ error = recv(clnt_sk[2], msgbuf, 100, 0);
+ if ((error != 0) || (errno != 0))
+ tst_brkm(TBROK, tst_exit, "recv on a SHUT_RDWR socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "shutdown() with SHUT_RDWR flag - SUCCESS");
+
+ /*shutdown() TEST6: Unconnected socket, ENOTCONN Expected error*/
+ error = shutdown(sk, SHUT_RD);
+ if ((error != -1) || (errno != ENOTCONN))
+ tst_brkm(TBROK, tst_exit, "shutdown on an unconnected socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "shutdown() on an unconnected socket - SUCCESS");
+
+ for (i = 0; i < MAX_CLIENTS; i++)
+ close(clnt_sk[i]);
+ for (i = 0; i < MAX_CLIENTS; i++)
+ close(acpt_sk[i]);
+
+
+ close(lstn_sk);
+ close(sk);
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test the socket (), bind () and listen () for
+ * 1-1 style sockets
+ *
+ * socket () Tests:
+ * ---------------
+ * TEST1: Invalid domain
+ * TEST2: Invalid type
+ * TEST3: Opening a TCP style socket
+ *
+ * bind () Tests:
+ * -------------
+ * TEST4: Invalid address
+ * TEST5: Invalid address length
+ * TEST6: Invalid socket descriptor
+ * TEST7: Invalid host name
+ * TEST8: On a socket that is already bound
+ * TEST9: On reserved ports
+ * TEST10: INADDR_ANY address and non-zero port
+ * TEST11: INADDR_ANY address and zero port
+ * TEST12: Local address and zero port
+ *
+ * listen () Tests:
+ * ---------------
+ * TEST13: Bad socket descriptor
+ * TEST14: Invalid socket
+ * TEST15: Listening a bound socket
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sys/uio.h>
+#include <sctputil.h>
+
+#define SCTP_RESERVED_PORT 7
+#define SCTP_INV_LOOPBACK "172.31.43.112"
+
+char *TCID = __FILE__;
+int TST_TOTAL = 15;
+int TST_CNT = 0;
+
+int
+main(int argc, char *argv[])
+{
+ int sk,pf_class;
+ int error = 0;
+ int uid;
+
+ struct sockaddr_in bind_addr;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ pf_class = PF_INET;
+
+ /* socket() TEST1: Invalid domain, EAFNOSUPPORT Expected error */
+ sk = socket(-1, SOCK_STREAM, IPPROTO_SCTP);
+ if (sk != -1 || errno != EAFNOSUPPORT)
+ tst_brkm(TBROK, tst_exit, "socket() with invalid domain "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "socket() with invalid domain - EAFNOSUPPORT");
+
+ /*socket() TEST2 : Invalid type, EINVAL Expected error*/
+ sk = socket(pf_class, -1, IPPROTO_SCTP);
+ if (sk != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "socket() with invalid type "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "socket() with invalid type - EINVAL");
+
+ /*socket() TEST3: opening a socket*/
+ sk = socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ if (sk < 0)
+ tst_brkm(TBROK, tst_exit, "valid socket() call "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "socket() - SUCCESS");
+
+ /*bind() TEST4: Invalid structure, EFAULT Expected error */
+ error = bind(sk, (struct sockaddr *)-1, sizeof(struct sockaddr_in));
+ if (error != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "bind() with invalid address ptr "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "bind() with invalid address ptr - EFAULT");
+
+ /*bind() TEST5: Invalid address length, EINVAL Expect error*/
+ bind_addr.sin_family = AF_INET;
+ bind_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ bind_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ error = bind(sk, (struct sockaddr *) &bind_addr, sizeof(bind_addr)-2);
+ if (error != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "bind() with invalid address length "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "bind() with invalid address length - EINVAL");
+
+ /*bind() TEST6: Invalid socket descriptor, ENOTSOCK Expect Error*/
+ error = bind(0, (struct sockaddr *) &bind_addr, sizeof(bind_addr));
+ if (error != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "bind() with invalid socket "
+ "descriptor error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "bind() with invalid socket descriptor - ENOTSOCK");
+
+ /*bind() TEST7: Invalid host name, EADDRNOTAVAIL Expect Error*/
+ /*Assigning invalid host name*/
+ bind_addr.sin_addr.s_addr = inet_addr(SCTP_INV_LOOPBACK);
+ error = bind(sk, (struct sockaddr *) &bind_addr, sizeof(bind_addr));
+ if (error != -1 || errno != EADDRNOTAVAIL)
+ tst_brkm(TBROK, tst_exit, "bind() with invalid local "
+ "address error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "bind() with invalid local address - EADDRNOTAVAIL");
+
+ /*bind() TEST8: Bind on a socket that has already called bind
+ EINAVL, Expected error*/
+ bind_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ /*Calling bind first time, it should pass*/
+ test_bind(sk, (struct sockaddr *) &bind_addr, sizeof(bind_addr));
+
+ error = bind(sk, (struct sockaddr *) &bind_addr, sizeof(bind_addr));
+ if (error != -1 || errno != EINVAL)
+ tst_brkm(TBROK, tst_exit, "bind() on an already bound socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "bind() on an already bound socket - EINVAL");
+
+ /*Closing the socket which succeed in bind() */
+ close(sk);
+
+ /*Opening the socket again for further test*/
+ sk = socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /*bind() TEST9: Bind on reserved ports EACCES, Expected error*/
+ /*Assigning a reserved port*/
+ uid = getuid();
+ if (uid != 0) {
+ bind_addr.sin_port = htons(SCTP_RESERVED_PORT);
+ error = bind(sk, (struct sockaddr *) &bind_addr,
+ sizeof(bind_addr));
+ if (error != -1 || errno != EACCES)
+ tst_brkm(TBROK, tst_exit, "bind() on reserverd port "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "bind() on reserved port - EACCESS");
+ }
+
+ /*bind() TEST10: INADDR_ANY address and non-zero port, bind() should
+ succeed*/
+ bind_addr.sin_addr.s_addr = INADDR_ANY;
+ bind_addr.sin_port = htons(SCTP_TESTPORT_1);
+ error = bind(sk, (struct sockaddr *) &bind_addr,sizeof(bind_addr));
+ if ( error < 0 )
+ tst_brkm(TBROK, tst_exit, "bind() with INADDR_ANY address and "
+ "non-zero port error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "bind() with INADDR_ANY address and non-zero port - "
+ "SUCCESS");
+
+ /*Closing the socket which succeed in bind() */
+ close(sk);
+
+ /*Opening the socket again for further test*/
+ sk = socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /*bind() TEST11: INADDR_ANY address and zero port, bind() should
+ succeed*/
+ bind_addr.sin_port = 0;
+ error = bind(sk, (struct sockaddr *) &bind_addr,sizeof(bind_addr));
+ if ( error < 0 )
+ tst_brkm(TBROK, tst_exit, "bind() with INADDR_ANY address and "
+ "zero port error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "bind() with INADDR_ANY address and zero port - "
+ "SUCCESS");
+
+ /*Closing the socket which succeed in bind() */
+ close(sk);
+
+ /*Opening the socket again for further test*/
+ sk = socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /*bind() TEST12: local address and zero port, bind() should
+ succeed*/
+ bind_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ bind_addr.sin_port = 0;
+ error = bind(sk, (struct sockaddr *) &bind_addr,sizeof(bind_addr));
+ if ( error < 0 )
+ tst_brkm(TBROK, tst_exit, "bind() with local address and "
+ "zero port error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "bind() with local address and zero port - "
+ "SUCCESS");
+
+ /*listen() TEST13: Bad socket descriptor EBADF, Expected error*/
+ error = listen(-1, 3);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "listen() with bad socket descriptor "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "listen() with bad socket descriptor - EBADF");
+
+ /*listen() TEST14: Invalid socket ENOTSOCK, Expected error*/
+ error = listen(0, 3);
+ if (error != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "listen() with invalid socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "listen() with invalid socket - ENOTSOCK");
+
+ /*listen() TEST15:listen on a bound socket, should succeed*/
+ error = listen(sk, 3);
+ if ( error < 0 )
+ tst_brkm(TBROK, tst_exit, "listen() on a bound socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "listen() on a bound socket - SUCCESS");
+
+ close(sk);
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file has test cases to test negative scenarios for getsockopt ()
+ * setsockopt () call for 1-1 style sockets
+ *
+ * setsockopt () Tests:
+ * -------------------
+ * TEST1: setsockopt: Bad socket descriptor
+ * TEST2: setsockopt: Invalid socket
+ * TEST3: setsockopt: Invalid level
+ * TEST4: setsockopt: Invalid option buffer
+ * TEST5: setsockopt: Invalid option name
+ * TEST6: getsockopt: Bad socket descriptor
+ * TEST7: getsockopt: Invalid socket
+ * TEST8: getsockopt: Invalid option buffer
+ * TEST9: getsockopt: Invalid option name
+ *
+ * TEST10: getsockopt: SCTP_INITMSG
+ * TEST11: setsockopt: SCTP_INITMSG
+ * TEST12: setsockopt: SO_LINGER
+ * TEST13: getsockopt: SO_LINGER
+ * TEST14: getsockopt: SO_RCVBUF
+ * TEST15: getsockopt: SCTP_STATUS
+ * TEST16: setsockopt: SO_RCVBUF
+ * TEST17: setsockopt: SO_SNDBUF
+ * TEST18: getsockopt: SO_SNDBUF
+ * TEST19: getsockopt: SCTP_PRIMARY_ADDR
+ * TEST20: setsockopt: SCTP_PRIMARY_ADDR
+ * TEST21: getsockopt: SCTP_ASSOCINFO
+ * TEST22: setsockopt: SCTP_ASSOCINFO
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sys/uio.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 22;
+int TST_CNT = 0;
+
+int
+main(void)
+{
+ int error;
+ socklen_t len;
+ int sk, sk1, sk2, acpt_sk, pf_class;
+ struct sctp_rtoinfo grtinfo;
+ struct sockaddr_in lstn_addr, conn_addr;
+ struct sctp_initmsg ginmsg; /*get the value for SCTP_INITMSG*/
+ struct sctp_initmsg sinmsg; /*set the value for SCTP_INITMSG*/
+ struct linger slinger; /*SO_LINGER structure*/
+ struct linger glinger; /*SO_LINGER structure*/
+ struct sockaddr_in addr;
+ struct sockaddr_in *gaddr;
+ struct sctp_status gstatus; /*SCTP_STATUS option*/
+ int rcvbuf_val_get, rcvbuf_val_set; /*get and set var for SO_RCVBUF*/
+ int sndbuf_val_get, sndbuf_val_set;/*get and set var for SO_SNDBUF*/
+ struct sctp_prim gprimaddr;/*SCTP_PRIMARY_ADDR get*/
+ struct sctp_prim sprimaddr;/*SCTP_PRIMARY_ADDR set*/
+ struct sctp_assocparams sassocparams; /* SCTP_ASSOCPARAMS set */
+ struct sctp_assocparams gassocparams; /* SCTP_ASSOCPARAMS get */
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+
+ pf_class = PF_INET;
+
+ sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /*setsockopt() TEST1: Bad socket descriptor EBADF, Expected error*/
+ error = setsockopt(-1, IPPROTO_SCTP, 0, 0, 0);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "setsockopt with a bad socket "
+ "descriptor error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "setsockopt() with a bad socket descriptor - EBADF");
+
+ /*setsockopt() TEST2: Invalid socket ENOTSOCK, Expected error*/
+ error = setsockopt(0, IPPROTO_SCTP, 0, 0, 0);
+ if (error != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "setsockopt with an invalid socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "setsockopt() with an invalid socket - ENOTSOCK");
+
+ /*setsockopt() TEST3: Invalid level ENOPROTOOPT, Expected error*/
+ error = setsockopt(sk, -1, SCTP_RTOINFO, 0, 0);
+ if (error != -1 || errno != ENOPROTOOPT)
+ tst_brkm(TBROK, tst_exit, "setsockopt with invalid level "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "setsockopt() with an invalid level - ENOPROTOOPT");
+
+ /*setsockopt() TEST4: Invalid option buffer EFAULT, Expected error*/
+ error = setsockopt(sk, IPPROTO_SCTP, SCTP_RTOINFO,
+ (const struct sctp_rtoinfo *)-1, sizeof(struct sctp_rtoinfo));
+ if (error != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "setsockopt with invalid option "
+ "buffer error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "setsockopt() with invalid option buffer - EFAULT");
+
+ /*setsockopt() TEST5: Invalid option Name EOPNOTSUPP, Expected error*/
+ error = setsockopt(sk, IPPROTO_SCTP, SCTP_AUTOCLOSE, 0, 0);
+ if (error != -1 || errno != EOPNOTSUPP)
+ tst_brkm(TBROK, tst_exit, "setsockopt with invalid option "
+ "name error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "setsockopt() with invalid option name - EOPNOTSUPP");
+
+ /*getsockopt() TEST6: Bad socket descriptor EBADF, Expected error*/
+ error = getsockopt(-1, IPPROTO_SCTP, 0, 0, 0);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "getsockopt with a bad socket "
+ "descriptor error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt() with a bad socket descriptor - EBADF");
+
+ /*getsockopt() TEST7: Invalid socket ENOTSOCK, Expected error*/
+ error = getsockopt(0, IPPROTO_SCTP, 0, 0, 0);
+ if (error != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "getsockopt with an invalid socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt() with an invalid socket - ENOTSOCK");
+#if 0
+ /*getsockopt() TEST3: Invalid level ENOPROTOOPT, Expected error*/
+ /*I have commented this test case because it is returning EOPNOTSUPP.
+ When I checked the code there also it is returning EOPNOTSUPP. As this
+ is not specific to TCP style, I do not want to do the code change*/
+
+ error = getsockopt(sk, -1, SCTP_RTOINFO, 0, 0);
+ if (error != -1 || errno != ENOPROTOOPT)
+ tst_brkm(TBROK, tst_exit, "getsockopt with invalid level "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt() with an invalid level - ENOPROTOOPT");
+#endif
+ len = sizeof(struct sctp_rtoinfo);
+
+ /*getsockopt() TEST8: Invalid option buffer EFAULT, Expected error*/
+ error = getsockopt(sk, IPPROTO_SCTP, SCTP_RTOINFO,
+ (struct sctp_rtoinfo *)-1, &len);
+ if (error != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "getsockopt with invalid option "
+ "buffer error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt() with invalid option buffer - EFAULT");
+
+ /*getsockopt() TEST9: Invalid option Name EOPNOTSUPP, Expected error*/
+ error = getsockopt(sk, IPPROTO_SCTP, SCTP_AUTOCLOSE, &grtinfo, &len);
+ if (error != -1 || errno != EOPNOTSUPP)
+ tst_brkm(TBROK, tst_exit, "getsockopt with invalid option "
+ "name error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt() with invalid option name - EOPNOTSUPP");
+
+ close(sk);
+
+ sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ sk2 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ len = sizeof(struct sctp_initmsg);
+
+ /* TEST10: Test cases for getsockopt SCTP_INITMSG */
+ test_getsockopt(sk1, SCTP_INITMSG, &ginmsg, &len);
+
+ tst_resm(TPASS, "getsockopt() SCTP_INITMSG - SUCCESS");
+
+ sinmsg.sinit_num_ostreams = 5;
+ sinmsg.sinit_max_instreams = 5;
+ sinmsg.sinit_max_attempts = 3;
+ sinmsg.sinit_max_init_timeo = 30;
+ /* TEST11: Test case for setsockopt SCTP_INITMSG */
+ test_setsockopt(sk1, SCTP_INITMSG, &sinmsg, sizeof(sinmsg));
+
+ test_getsockopt(sk1, SCTP_INITMSG, &ginmsg, &len);
+
+ if (sinmsg.sinit_num_ostreams != ginmsg.sinit_num_ostreams &&
+ sinmsg.sinit_max_instreams != ginmsg.sinit_max_instreams &&
+ sinmsg.sinit_max_attempts != ginmsg.sinit_max_attempts &&
+ sinmsg.sinit_max_init_timeo != ginmsg.sinit_max_init_timeo)
+ tst_brkm(TBROK, tst_exit, "setsockopt/getsockopt SCTP_INITMSG "
+ "compare failed");
+
+ tst_resm(TPASS, "setsockopt() SCTP_INITMSG - SUCCESS");
+
+ /*Now get the values on different endpoint*/
+ test_getsockopt(sk2, SCTP_INITMSG, &ginmsg, &len);
+
+ /*Comparison should not succeed here*/
+ if (sinmsg.sinit_num_ostreams == ginmsg.sinit_num_ostreams &&
+ sinmsg.sinit_max_instreams == ginmsg.sinit_max_instreams &&
+ sinmsg.sinit_max_attempts == ginmsg.sinit_max_attempts &&
+ sinmsg.sinit_max_init_timeo == ginmsg.sinit_max_init_timeo)
+ tst_brkm(TBROK, tst_exit, "setsockopt/getsockopt SCTP_INITMSG "
+ "unexpected compare success");
+
+ /* SO_LINGER Test with l_onff = 0 and l_linger = 0 */
+ slinger.l_onoff = 0;
+ slinger.l_linger = 0;
+ test_bind(sk1, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
+ test_listen(sk1, 10 );
+ len = sizeof(struct sockaddr_in);
+ test_connect(sk2, (struct sockaddr *) &conn_addr, len);
+
+ acpt_sk = test_accept(sk1, (struct sockaddr *)&addr, &len);
+
+ len = sizeof(struct linger);
+ /* TEST12: Test case for setsockopt SO_LINGER */
+ error = setsockopt(sk2, SOL_SOCKET, SO_LINGER, &slinger, len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "setsockopt SO_LINGER "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "setsockopt() SO_LINGER - SUCCESS");
+
+ /* TEST13: Test case for getsockopt SO_LINGER */
+ error = getsockopt(sk2, SOL_SOCKET, SO_LINGER, &glinger, &len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "getsockopt SO_LINGER "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt() SO_LINGER - SUCCESS");
+
+ if (slinger.l_onoff != glinger.l_onoff ||
+ slinger.l_linger != glinger.l_linger)
+ tst_brkm(TBROK, tst_exit, "setsockopt/getsockopt SO_LINGER "
+ "compare failed");
+
+ /*First gets the default SO_RCVBUF value and comapres with the
+ value obtained from SCTP_STATUS*/
+ len = sizeof(int);
+ /* TEST14: Test case for getsockopt SO_RCVBUF */
+ error = getsockopt(sk2, SOL_SOCKET, SO_RCVBUF, &rcvbuf_val_get, &len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "getsockopt SO_RCVBUF "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt() SO_RCVBUF - SUCCESS");
+
+ len = sizeof(struct sctp_status);
+ /* TEST15: Test case for getsockopt SCTP_STATUS */
+ error = getsockopt(sk2, IPPROTO_SCTP, SCTP_STATUS, &gstatus, &len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "getsockopt SCTP_STATUS "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt() SCTP_STATUS - SUCCESS");
+
+ /* Reducing the SO_RCVBUF value using setsockopt() */
+ /*Minimum value is 128 and hence I am using it*/
+ len = sizeof(int);
+ rcvbuf_val_set = 128;
+ /* TEST16: Test case for setsockopt SO_RCVBUF */
+ error = setsockopt(sk2, SOL_SOCKET, SO_RCVBUF, &rcvbuf_val_set, len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "setsockopt SO_RCVBUF "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "setsockopt() SO_RCVBUF - SUCCESS");
+
+ error = getsockopt(sk2, SOL_SOCKET, SO_RCVBUF, &rcvbuf_val_get, &len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "getsockopt SO_RCVBUF "
+ "error:%d, errno:%d", error, errno);
+
+ if ((2 * rcvbuf_val_set) != rcvbuf_val_get)
+ tst_brkm(TBROK, tst_exit, "Comparison failed:Set value and "
+ "got value differs Set Value=%d Get Value=%d",
+ (2*rcvbuf_val_set), rcvbuf_val_get);
+
+ sndbuf_val_set=1024;
+ /* TEST17: Test case for setsockopt SO_SNDBUF */
+ error = setsockopt(sk2, SOL_SOCKET, SO_SNDBUF, &sndbuf_val_set, len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "setsockopt SO_SNDBUF "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "setsockopt() SO_SNDBUF - SUCCESS");
+
+ /* TEST18: Test case for getsockopt SO_SNDBUF */
+ error = getsockopt(sk2, SOL_SOCKET, SO_SNDBUF, &sndbuf_val_get, &len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "getsockopt SO_SNDBUF "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt() SO_SNDBUF - SUCCESS");
+
+ if ((2 * sndbuf_val_set) != sndbuf_val_get)
+ tst_brkm(TBROK, tst_exit, "Comparison failed:Set value and "
+ "got value differs Set Value=%d Get Value=%d\n",
+ (2*sndbuf_val_set), sndbuf_val_get);
+
+
+ /* Getting the primary address using SCTP_PRIMARY_ADDR */
+ len = sizeof(struct sctp_prim);
+ /* TEST19: Test case for getsockopt SCTP_PRIMARY_ADDR */
+ error = getsockopt(sk2,IPPROTO_SCTP, SCTP_PRIMARY_ADDR, &gprimaddr,
+ &len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "getsockopt SCTP_PRIMARY_ADDR "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt() SCTP_PRIMARY_ADDR - SUCCESS");
+
+ gaddr = (struct sockaddr_in *) &gprimaddr.ssp_addr;
+ if(htons(gaddr->sin_port) != lstn_addr.sin_port &&
+ gaddr->sin_family != lstn_addr.sin_family &&
+ gaddr->sin_addr.s_addr != lstn_addr.sin_addr.s_addr)
+ tst_brkm(TBROK, tst_exit, "getsockopt SCTP_PRIMARY_ADDR value "
+ "mismatch");
+
+ memcpy(&sprimaddr, &gprimaddr, sizeof(struct sctp_prim));
+
+ /* TEST20: Test case for setsockopt SCTP_PRIMARY_ADDR */
+ error = setsockopt(sk2,IPPROTO_SCTP, SCTP_PRIMARY_ADDR, &sprimaddr,
+ len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "setsockopt SCTP_PRIMARY_ADDR "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "setsockopt() SCTP_PRIMARY_ADDR - SUCCESS");
+
+ /* TEST21: Test case for getsockopt SCTP_PRIMARY_ADDR */
+ /* Getting the association info using SCTP_ASSOCINFO */
+ len = sizeof(struct sctp_assocparams);
+ error = getsockopt(sk2, IPPROTO_SCTP, SCTP_ASSOCINFO, &gassocparams,
+ &len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "getsockopt SCTP_ASSOCINFO "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt() SCTP_ASSOCINFO - SUCCESS");
+
+ /* TEST21: Test case for setsockopt SCTP_ASSOCINFO */
+ memcpy(&sassocparams, &gassocparams, sizeof(struct sctp_assocparams));
+ sassocparams.sasoc_asocmaxrxt += 5;
+ sassocparams.sasoc_cookie_life += 10;
+
+ error = setsockopt(sk2, IPPROTO_SCTP, SCTP_ASSOCINFO, &sassocparams,
+ len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "setsockopt SCTP_ASSOCINFO "
+ "error:%d, errno:%d", error, errno);
+
+ error = getsockopt(sk2, IPPROTO_SCTP, SCTP_ASSOCINFO, &gassocparams,
+ &len);
+ if (error < 0)
+ tst_brkm(TBROK, tst_exit, "getsockopt SCTP_ASSOCINFO "
+ "error:%d, errno:%d", error, errno);
+
+ if (sassocparams.sasoc_asocmaxrxt != gassocparams.sasoc_asocmaxrxt ||
+ sassocparams.sasoc_cookie_life != gassocparams.sasoc_cookie_life)
+ tst_brkm(TBROK, tst_exit, "getsockopt SCTP_ASSOCINFO value "
+ "mismatch");
+ tst_resm(TPASS, "setsockopt() SCTP_ASSOCINFO - SUCCESS");
+
+ close(sk2);
+ close(sk1);
+ close(acpt_sk);
+
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
+ * (C) Copyright IBM Corp. 2004
+ *
+ * This file does send and receive for 500 threads on a unique association for
+ * THREAD_SND_RCV_LOOPS = 10 many times. To change the number of threads
+ * change the THREADS valuen and loop change the THREAD_SND_RCV_LOOPS.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release
+ *
+ */
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h> /* for sockaddr_in */
+#include <arpa/inet.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sys/uio.h>
+#include <linux/socket.h>
+#include <sctputil.h>
+
+#define THREADS 10 /* FIXME should be 500 instead of 10 */
+#define THREAD_SND_RCV_LOOPS 10
+
+char *TCID = __FILE__;
+int TST_TOTAL = 1;
+int TST_CNT = 0;
+
+int client_sk;
+int server_sk;
+int acpt_sk;
+struct sockaddr_in conn_addr;
+char *message = "hello, world!\n";
+
+void
+t_recv (int id) {
+ int cnt;
+ struct msghdr inmessage;
+ struct iovec iov;
+ char incmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ char * buffer;
+
+ memset(&inmessage, 0, sizeof(inmessage));
+ buffer = malloc(100);
+
+ iov.iov_base = buffer;
+ iov.iov_len = 100;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+ cnt = test_recvmsg(acpt_sk,&inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, cnt, strlen(message) + 1, MSG_EOR,
+ 0, 0);
+}
+
+void
+t_send(int id) {
+ struct msghdr outmessage;
+ struct sctp_sndrcvinfo *sinfo;
+ char *buffer_snd;
+ struct cmsghdr *cmsg;
+ struct iovec out_iov;
+ char outcmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+
+ memset(&outmessage, 0, sizeof(outmessage));
+ buffer_snd = malloc(100);
+
+ outmessage.msg_name = &conn_addr;
+ outmessage.msg_namelen = sizeof(conn_addr);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = (strlen(message) + 1);
+
+ test_sendmsg(client_sk, &outmessage, 0, strlen(message)+1);
+}
+
+void * relay (int id) {
+ if (id == 0) {
+ t_send(id);
+ } else if (id == THREADS -1) {
+ t_send(id);
+ } else {
+ t_recv (id);
+ t_send(id);
+ }
+
+ return 0;
+}
+
+
+int
+main(void)
+{
+
+ int cnt,i;
+ pthread_t thread[THREADS];
+ int status;
+ int exit_status;
+ void * result;
+ pthread_attr_t attr;
+ struct sockaddr_in lstn_addr;
+ socklen_t len = sizeof(struct sockaddr_in);
+ struct sockaddr_in svr_addr;
+
+ pthread_attr_init(&attr);
+ pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
+
+ server_sk = test_socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
+ client_sk = test_socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
+
+ lstn_addr.sin_family = AF_INET;
+ lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ conn_addr.sin_family = AF_INET;
+ conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ conn_addr.sin_port = htons(SCTP_TESTPORT_1);
+
+ test_bind(server_sk, (struct sockaddr *)&lstn_addr,
+ sizeof(struct sockaddr_in));
+
+ test_listen(server_sk,10);
+
+ test_connect(client_sk,(struct sockaddr *)&conn_addr,len);
+
+ acpt_sk = test_accept(server_sk, (struct sockaddr *)&svr_addr, &len);
+
+ for ( i = 0; i < THREAD_SND_RCV_LOOPS; i++ ) {
+ for (cnt = 1; cnt < THREADS; cnt++) {
+ status = pthread_create(&thread[cnt], &attr,
+ (void *)relay, (void*)cnt);
+ if (status)
+ tst_brkm(TBROK, tst_exit, "pthread_create "
+ "failed status:%d, errno:%d", status,
+ errno);
+ }
+
+ pthread_attr_destroy(&attr);
+ for (cnt = 1; cnt < THREADS ; cnt++) {
+ exit_status = pthread_join (thread[cnt], &result);
+ if (exit_status == -1)
+ tst_brkm(TBROK, tst_exit, "pthread_join "
+ "Thread #%d exited with status:%d",
+ cnt, exit_status);
+ }
+ }
+
+ tst_resm(TPASS, "send and receive data across multiple threads - "
+ "SUCCESS");
+
+ pthread_exit(NULL);
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Ardelle Fan <ardelle.fan@intle.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a functional test to verify the ungraceful abort of an
+ * association.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <sys/errno.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 1;
+int TST_CNT = 0;
+
+#define MAX_CLIENTS 10
+
+int
+main(int argc, char *argv[])
+{
+ int svr_sk, clt_sk[MAX_CLIENTS];
+ sockaddr_storage_t svr_loop, clt_loop[MAX_CLIENTS];
+ sctp_assoc_t svr_associd[MAX_CLIENTS];
+ struct iovec iov;
+ struct msghdr inmessage;
+ struct msghdr outmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+ struct iovec out_iov;
+ int error;
+ uint32_t ppid;
+ uint32_t stream;
+ struct sctp_assoc_change *sac;
+ char *big_buffer;
+ int i;
+ char *message = "hello, world!\n";
+ struct sctp_status status;
+ socklen_t status_len;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Create and bind the server socket. */
+ svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+ svr_loop.v4.sin_family = AF_INET;
+ svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
+ test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(svr_sk);
+
+ /* Mark server socket as being able to accept new associations. */
+ test_listen(svr_sk, 1);
+
+ /* Create and bind all the client sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ clt_sk[i] = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ clt_loop[i].v4.sin_family = AF_INET;
+ clt_loop[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ clt_loop[i].v4.sin_port = htons(SCTP_TESTPORT_2 + i);
+ test_bind(clt_sk[i], &clt_loop[i].sa, sizeof(clt_loop[i]));
+
+ test_enable_assoc_change(clt_sk[i]);
+ }
+
+ /* Build up a msghdr structure we can use for all sending. */
+ outmessage.msg_name = &svr_loop;
+ outmessage.msg_namelen = sizeof(svr_loop);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid = rand(); /* Choose an arbitrary value. */
+ stream = 1;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ out_iov.iov_base = message;
+ out_iov.iov_len = strlen(message) + 1;
+
+ /* Send the first message from all the clients to the server. This
+ * will create the associations.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++)
+ test_sendmsg(clt_sk[i], &outmessage, 0, strlen(message) + 1);
+
+ /* Initialize inmessage for all receives. */
+ big_buffer = test_malloc(REALLY_BIG);
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+
+ /* Get the communication up message on all client sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ }
+
+ /* Get the communication up message and the data message on the
+ * server sockets for all the clients.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ svr_associd[i] = sac->sac_assoc_id;
+ }
+
+ outmessage.msg_name = NULL;
+ outmessage.msg_namelen = 0;
+ outmessage.msg_iov = NULL;
+ outmessage.msg_iovlen = 0;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ sinfo->sinfo_flags |= SCTP_ABORT;
+
+ /* Shutdown all the associations of the server socket in a loop. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ sinfo->sinfo_assoc_id = svr_associd[i];
+
+ /* Verify that the association is present. */
+ memset(&status, 0, sizeof(struct sctp_status));
+ status.sstat_assoc_id = sinfo->sinfo_assoc_id;
+ status_len = sizeof(struct sctp_status);
+ error = getsockopt(svr_sk, SOL_SCTP, SCTP_STATUS,
+ &status, &status_len);
+ if (error)
+ tst_brkm(TBROK, tst_exit,
+ "getsockopt(SCTP_STATUS): %s",
+ strerror(errno));
+
+ /* Call sendmsg() to abort the association. */
+ test_sendmsg(svr_sk, &outmessage, 0, 0);
+
+ /* Verify that the association is no longer present. */
+ memset(&status, 0, sizeof(struct sctp_status));
+ status.sstat_assoc_id = sinfo->sinfo_assoc_id;
+ status_len = sizeof(struct sctp_status);
+ error = getsockopt(svr_sk, SOL_SCTP, SCTP_STATUS,
+ &status, &status_len);
+ if ((error != -1) && (errno != EINVAL))
+ tst_brkm(TBROK, tst_exit,
+ "getsockopt(SCTP_STATUS) "
+ "error:%d errno:%d", error, errno);
+ }
+
+ close(svr_sk);
+
+ /* Get the COMM_LOST notification. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change)+4,
+ SCTP_ASSOC_CHANGE, SCTP_COMM_LOST);
+
+ close(clt_sk[i]);
+ }
+
+ tst_resm(TPASS, "ABORT an association using SCTP_ABORT");
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a functional test to verify the graceful shutdown of an
+ * association.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <sys/errno.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 1;
+int TST_CNT = 0;
+
+#define MAX_CLIENTS 10
+
+int
+main(int argc, char *argv[])
+{
+ int svr_sk, clt_sk[MAX_CLIENTS];
+ sctp_assoc_t svr_associd[MAX_CLIENTS];
+ sockaddr_storage_t svr_loop, clt_loop[MAX_CLIENTS];
+ struct iovec iov;
+ struct msghdr inmessage;
+ struct msghdr outmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+ struct iovec out_iov;
+ int error;
+ uint32_t ppid;
+ uint32_t stream;
+ struct sctp_assoc_change *sac;
+ char *big_buffer;
+ int i;
+ char *message = "hello, world!\n";
+ struct sctp_status status;
+ socklen_t status_len;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Create and bind the server socket. */
+ svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ svr_loop.v4.sin_family = AF_INET;
+ svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
+ test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(svr_sk);
+
+ /* Mark server socket as being able to accept new associations. */
+ test_listen(svr_sk, 1);
+
+ /* Create and bind all the client sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ clt_sk[i] = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ clt_loop[i].v4.sin_family = AF_INET;
+ clt_loop[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ clt_loop[i].v4.sin_port = htons(SCTP_TESTPORT_2 + i);
+ test_bind(clt_sk[i], &clt_loop[i].sa, sizeof(clt_loop[i]));
+
+ test_enable_assoc_change(clt_sk[i]);
+ }
+
+ /* Build up a msghdr structure we can use for all sending. */
+ outmessage.msg_name = &svr_loop;
+ outmessage.msg_namelen = sizeof(svr_loop);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid = rand(); /* Choose an arbitrary value. */
+ stream = 1;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ out_iov.iov_base = message;
+ out_iov.iov_len = strlen(message) + 1;
+
+ /* Send the first message from all the clients to the server. This
+ * will create the associations.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++)
+ test_sendmsg(clt_sk[i], &outmessage, 0, strlen(message)+1);
+
+ /* Initialize inmessage for all receives. */
+ big_buffer = test_malloc(REALLY_BIG);
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+
+ /* Get the communication up message on all client sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ }
+
+ /* Get the communication up message and the data message on the
+ * server sockets for all the clients.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message)+1,
+ MSG_EOR, stream, ppid);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ svr_associd[i] = sac->sac_assoc_id;
+ }
+
+ /* Build up a msghdr structure we can use for all sending. */
+ outmessage.msg_name = NULL;
+ outmessage.msg_namelen = 0;
+ outmessage.msg_iov = NULL;
+ outmessage.msg_iovlen = 0;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ sinfo->sinfo_flags |= SCTP_EOF;
+
+ /* Shutdown all the associations of the server socket in a loop. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ sinfo->sinfo_assoc_id = svr_associd[i];
+
+ /* Verify that the association is present. */
+ memset(&status, 0, sizeof(struct sctp_status));
+ status.sstat_assoc_id = sinfo->sinfo_assoc_id;
+ status_len = sizeof(struct sctp_status);
+ error = getsockopt(svr_sk, SOL_SCTP, SCTP_STATUS,
+ &status, &status_len);
+ if (error)
+ tst_brkm(TBROK, tst_exit,
+ "getsockopt(SCTP_STATUS): %s",
+ strerror(errno));
+
+ /* Call sendmsg() to shutdown the association. */
+ test_sendmsg(svr_sk, &outmessage, 0, 0);
+
+ /* Verify that the association is no longer present. */
+ memset(&status, 0, sizeof(struct sctp_status));
+ status.sstat_assoc_id = sinfo->sinfo_assoc_id;
+ status_len = sizeof(struct sctp_status);
+ error = getsockopt(svr_sk, SOL_SCTP, SCTP_STATUS,
+ &status, &status_len);
+ if ((error != -1) && (errno != EINVAL))
+ tst_brkm(TBROK, tst_exit,
+ "getsockopt(SCTP_STATUS) "
+ "error:%d errno:%d", error, errno);
+ }
+
+ close(svr_sk);
+
+ /* Get the shutdown complete notification. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE,
+ SCTP_SHUTDOWN_COMP);
+
+ close(clt_sk[i]);
+ }
+
+ tst_resm(TPASS, "Graceful shutdown of associations using SCTP_EOF");
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a Functional Test to verify autoclose functionality and the
+ * socket option SCTP_AUTOCLOSE that can be used to specify the duration in
+ * which an idle association is automatically closed.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <sys/errno.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 1;
+int TST_CNT = 0;
+
+int
+main(int argc, char *argv[])
+{
+ int sk1, sk2;
+ sockaddr_storage_t loop1, loop2;
+ struct msghdr inmessage, outmessage;
+ struct iovec iov, out_iov;
+ int error, bytes_sent;
+ char *big_buffer;
+ char *message = "hello, world!\n";
+ uint32_t autoclose;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ loop1.v4.sin_family = AF_INET;
+ loop1.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ loop1.v4.sin_port = htons(SCTP_TESTPORT_1);
+
+ loop2.v4.sin_family = AF_INET;
+ loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ loop2.v4.sin_port = htons(SCTP_TESTPORT_2);
+
+ /* Create the two endpoints which will talk to each other. */
+ sk1 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+ sk2 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(sk1);
+ test_enable_assoc_change(sk2);
+
+ /* Bind these sockets to the test ports. */
+ test_bind(sk1, &loop1.sa, sizeof(loop1));
+ test_bind(sk2, &loop2.sa, sizeof(loop2));
+
+ /* Mark sk2 as being able to accept new associations. */
+ test_listen(sk2, 1);
+
+ /* Set the autoclose duration for the associations created on sk1
+ * and sk2 to be 5 seconds.
+ */
+ autoclose = 5;
+ test_setsockopt(sk1, SCTP_AUTOCLOSE, &autoclose, sizeof(autoclose));
+ test_setsockopt(sk2, SCTP_AUTOCLOSE, &autoclose, sizeof(autoclose));
+
+ /* Send the first message. This will create the association. */
+ memset(&outmessage, 0, sizeof(outmessage));
+ outmessage.msg_name = &loop2;
+ outmessage.msg_namelen = sizeof(loop2);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = strlen(message) + 1;
+ bytes_sent = test_sendmsg(sk1, &outmessage, 0, strlen(message)+1);
+
+ /* Initialize inmessage for all receives. */
+ big_buffer = test_malloc(REALLY_BIG);
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = NULL;
+
+ /* Get the communication up message on sk2. */
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+
+ /* Get the communication up message on sk1. */
+ error = test_recvmsg(sk1, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+
+ /* Get the first message which was sent. */
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR|MSG_CTRUNC, 0, 0);
+
+ tst_resm(TINFO, "Waiting for the associations to close automatically "
+ "in 5 secs");
+
+ /* Get the shutdown complete notification from sk1. */
+ error = test_recvmsg(sk1, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
+
+ /* Get the shutdown complete notification from sk2. */
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
+
+ tst_resm(TPASS, "Autoclose of associations");
+
+ /* Shut down the link. */
+ close(sk1);
+ close(sk2);
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * La Monte H.P. Yarroll <piggy@acm.org>
+ * Karl Knutson <karl@athena.chicago.il.us>
+ * Hui Huang <hui.huang@nokia.com>
+ * Jon Grimm <jgrimm@us.ibm.com>
+ * Sridhar Samudrala <samudrala@us.ibm.com>
+ */
+
+/* This is a basic functional test for the SCTP kernel
+ * implementation state machine.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <sys/errno.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 15;
+int TST_CNT = 0;
+
+int main(void)
+{
+ int sk1, sk2;
+ sockaddr_storage_t loop1;
+ sockaddr_storage_t loop2;
+ sockaddr_storage_t msgname;
+ struct iovec iov;
+ struct msghdr inmessage;
+ struct msghdr outmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+ struct iovec out_iov;
+ char *message = "hello, world!\n";
+ char *telephone = "Watson, come here! I need you!\n";
+ char *telephone_resp = "I already brought your coffee...\n";
+ int error, bytes_sent;
+ int pf_class;
+ uint32_t ppid;
+ uint32_t stream;
+ sctp_assoc_t associd1, associd2;
+ struct sctp_assoc_change *sac;
+ char *big_buffer;
+ struct sockaddr *laddrs, *paddrs;
+ int n_laddrs, n_paddrs, i;
+ struct sockaddr *sa_addr;
+ struct sockaddr_in *in_addr;
+ struct sockaddr_in6 *in6_addr;
+ void *addr_buf;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Set some basic values which depend on the address family. */
+#if TEST_V6
+ pf_class = PF_INET6;
+
+ loop1.v6.sin6_family = AF_INET6;
+ loop1.v6.sin6_addr = (struct in6_addr)SCTP_IN6ADDR_ANY_INIT;
+ loop1.v6.sin6_port = htons(SCTP_TESTPORT_1);
+
+ loop2.v6.sin6_family = AF_INET6;
+ loop2.v6.sin6_addr = in6addr_loopback;
+ loop2.v6.sin6_port = htons(SCTP_TESTPORT_2);
+#else
+ pf_class = PF_INET;
+
+ loop1.v4.sin_family = AF_INET;
+ loop1.v4.sin_addr.s_addr = INADDR_ANY;
+ loop1.v4.sin_port = htons(SCTP_TESTPORT_1);
+
+ loop2.v4.sin_family = AF_INET;
+ loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ loop2.v4.sin_port = htons(SCTP_TESTPORT_2);
+#endif /* TEST_V6 */
+
+ /* Create the two endpoints which will talk to each other. */
+ sk1 = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ sk2 = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ tst_resm(TPASS, "socket");
+
+ /* Bind these sockets to the test ports. */
+ test_bind(sk1, &loop1.sa, sizeof(loop1));
+ test_bind(sk2, &loop2.sa, sizeof(loop2));
+
+ tst_resm(TPASS, "bind");
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(sk1);
+ test_enable_assoc_change(sk2);
+
+ /* Initialize inmessage for all receives. */
+ big_buffer = test_malloc(REALLY_BIG);
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_name = &msgname;
+
+ /* Try to read on socket 2. This should fail since we are
+ * neither listening, nor established.
+ */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = recvmsg(sk2, &inmessage, MSG_WAITALL);
+ if (error > 0)
+ tst_brkm(TBROK, tst_exit, "recvmsg on a socket neither"
+ "listening nor established error: %d", error);
+
+ tst_resm(TPASS, "recvmsg on a socket neither listening nor "
+ "established");
+
+ /* Mark sk2 as being able to accept new associations. */
+ error = test_listen(sk2, 1);
+
+ tst_resm(TPASS, "listen");
+
+ /* Send the first message. This will create the association. */
+ outmessage.msg_name = &loop2;
+ outmessage.msg_namelen = sizeof(loop2);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid = rand(); /* Choose an arbitrary value. */
+ stream = 1;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = strlen(message) + 1;
+ test_sendmsg(sk1, &outmessage, 0, strlen(message)+1);
+
+ tst_resm(TPASS, "sendmsg with a valid msg_name");
+
+ /* Get the communication up message on sk2. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ inmessage.msg_namelen = sizeof(msgname);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+#if TEST_V6
+
+ if (inmessage.msg_namelen != sizeof(struct sockaddr_in6)) {
+ DUMP_CORE;
+ }
+ if (msgname.v6.sin6_port != htons(SCTP_TESTPORT_1)) {
+ DUMP_CORE;
+ }
+
+ if (msgname.v6.sin6_family != AF_INET6) {
+ DUMP_CORE;
+ }
+
+ if (memcmp(&msgname.v6.sin6_addr, &in6addr_loopback,
+ sizeof(msgname.v6.sin6_addr))) {
+ DUMP_CORE;
+ }
+#else
+ if (inmessage.msg_namelen != sizeof(struct sockaddr_in)) {
+ DUMP_CORE;
+ }
+ if (msgname.v4.sin_port != htons(SCTP_TESTPORT_1)) {
+ DUMP_CORE;
+ }
+
+ if (msgname.v4.sin_family != AF_INET) {
+ DUMP_CORE;
+ }
+ if (msgname.v4.sin_addr.s_addr != SCTP_IP_LOOPBACK) {
+ DUMP_CORE;
+ }
+#endif
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ associd2 = sac->sac_assoc_id;
+
+ /* Get the communication up message on sk1. */
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk1, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ associd1 = sac->sac_assoc_id;
+
+ tst_resm(TPASS, "recvmsg COMM_UP notifications");
+
+ /* Get the first message which was sent. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ inmessage.msg_namelen = sizeof(msgname);
+ memset(&msgname, 0, sizeof(msgname));
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+#if TEST_V6
+
+ if (inmessage.msg_namelen != sizeof(struct sockaddr_in6)) {
+ DUMP_CORE;
+ }
+ if (msgname.v6.sin6_port != htons(SCTP_TESTPORT_1)) {
+ DUMP_CORE;
+ }
+
+ if (msgname.v6.sin6_family != AF_INET6) {
+ DUMP_CORE;
+ }
+
+ if (memcmp(&msgname.v6.sin6_addr, &in6addr_loopback,
+ sizeof(msgname.v6.sin6_addr))) {
+ DUMP_CORE;
+ }
+#else
+ if (inmessage.msg_namelen != sizeof(struct sockaddr_in)) {
+ DUMP_CORE;
+ }
+ if (msgname.v4.sin_port != htons(SCTP_TESTPORT_1)) {
+ DUMP_CORE;
+ }
+ if (msgname.v4.sin_family != AF_INET) {
+ DUMP_CORE;
+ }
+ if (msgname.v4.sin_addr.s_addr != SCTP_IP_LOOPBACK) {
+ DUMP_CORE;
+ }
+#endif
+
+ /* Try to send a message with NULL msg_name and associd, should fail */
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid++;
+ stream++;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ outmessage.msg_iov->iov_base = telephone;
+ outmessage.msg_iov->iov_len = strlen(telephone) + 1;
+ outmessage.msg_name = NULL;
+ outmessage.msg_namelen = 0;
+ bytes_sent = sendmsg(sk1, &outmessage, MSG_NOSIGNAL);
+ if ((bytes_sent > 0) || (EPIPE != errno))
+ tst_brkm(TBROK, tst_exit, "sendmsg with NULL associd and "
+ "NULL msg_name error:%d errno:%d", error, errno);
+
+ tst_resm(TPASS, "sendmsg with NULL associd and NULL msg_name");
+
+ /* Fill in a incorrect assoc_id, which should cause an error. */
+ sinfo->sinfo_assoc_id = associd2;
+ bytes_sent = sendmsg(sk1, &outmessage, MSG_NOSIGNAL);
+ if ((bytes_sent > 0) || (EPIPE != errno))
+ tst_brkm(TBROK, tst_exit, "sendmsg with incorrect associd "
+ "error:%d errno:%d", error, errno);
+
+ tst_resm(TPASS, "sendmsg with incorrect associd");
+
+ /* Fill in a correct assoc_id and get back to the normal testing. */
+ sinfo->sinfo_assoc_id = associd1;
+ /* Send two more messages, to cause a second SACK. */
+ test_sendmsg(sk1, &outmessage, 0, strlen(telephone)+1);
+
+ outmessage.msg_name = &loop2;
+ outmessage.msg_namelen = sizeof(loop2);
+ outmessage.msg_iov->iov_base = telephone_resp;
+ outmessage.msg_iov->iov_len = strlen(telephone_resp) + 1;
+ test_sendmsg(sk1, &outmessage, 0, strlen(telephone_resp)+1);
+
+ tst_resm(TPASS, "sendmsg with valid associd");
+
+ /* Get those two messages. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(telephone) + 1,
+ MSG_EOR, stream, ppid);
+
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(telephone_resp) + 1,
+ MSG_EOR, stream, ppid);
+
+ tst_resm(TPASS, "recvmsg");
+
+ n_laddrs = sctp_getladdrs(sk1, associd1, &laddrs);
+ if (n_laddrs <= 0)
+ tst_brkm(TBROK, tst_exit, "sctp_getladdrs: %s",
+ strerror(errno));
+
+ tst_resm(TPASS, "sctp_getladdrs");
+
+ addr_buf = (void *)laddrs;
+ for (i = 0; i < n_laddrs; i++) {
+ sa_addr = (struct sockaddr *)addr_buf;
+ if (AF_INET == sa_addr->sa_family) {
+ in_addr = (struct sockaddr_in *)sa_addr;
+ tst_resm(TINFO, "LOCAL ADDR %d.%d.%d.%d PORT %d",
+ NIPQUAD(in_addr->sin_addr),
+ ntohs(in_addr->sin_port));
+ addr_buf += sizeof(struct sockaddr_in);
+ } else {
+ in6_addr = (struct sockaddr_in6 *)sa_addr;
+ tst_resm(TINFO,
+ "LOCAL ADDR %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x PORT %d",
+ NIP6(in6_addr->sin6_addr),
+ ntohs(in6_addr->sin6_port));
+ addr_buf += sizeof(struct sockaddr_in6);
+ }
+ }
+
+ sctp_freeladdrs(laddrs);
+
+ tst_resm(TPASS, "sctp_freeladdrs");
+
+ n_paddrs = sctp_getpaddrs(sk1, associd1, &paddrs);
+ if (n_paddrs <= 0)
+ tst_brkm(TBROK, tst_exit, "sctp_getpaddrs: %s",
+ strerror(errno));
+
+ tst_resm(TPASS, "sctp_getpaddrs");
+
+ addr_buf = (void *)paddrs;
+ for (i = 0; i < n_paddrs; i++) {
+ sa_addr = (struct sockaddr *)addr_buf;
+ if (AF_INET == sa_addr->sa_family) {
+ in_addr = (struct sockaddr_in *)sa_addr;
+ tst_resm(TINFO, "PEER ADDR %d.%d.%d.%d PORT %d",
+ NIPQUAD(in_addr->sin_addr),
+ ntohs(in_addr->sin_port));
+ addr_buf += sizeof(struct sockaddr_in);
+ } else {
+ in6_addr = (struct sockaddr_in6 *)sa_addr;
+ tst_resm(TINFO,
+ "PEER ADDR %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x PORT %d",
+ NIP6(in6_addr->sin6_addr),
+ ntohs(in6_addr->sin6_port));
+ addr_buf += sizeof(struct sockaddr_in6);
+ }
+ }
+
+ sctp_freepaddrs(paddrs);
+
+ tst_resm(TPASS, "sctp_freepaddrs");
+
+ /* Shut down the link. */
+ close(sk1);
+
+ /* Get the shutdown complete notification. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ inmessage.msg_namelen = sizeof(msgname);
+ memset(&msgname, 0, sizeof(msgname));
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
+#if TEST_V6
+
+ if (inmessage.msg_namelen != sizeof(struct sockaddr_in6)) {
+ DUMP_CORE;
+ }
+ if (msgname.v6.sin6_port != htons(SCTP_TESTPORT_1)) {
+ DUMP_CORE;
+ }
+
+ if (msgname.v6.sin6_family != AF_INET6) {
+ DUMP_CORE;
+ }
+
+ if (memcmp(&msgname.v6.sin6_addr, &in6addr_loopback,
+ sizeof(msgname.v6.sin6_addr))) {
+ DUMP_CORE;
+ }
+#else
+ if (inmessage.msg_namelen != sizeof(struct sockaddr_in)) {
+ DUMP_CORE;
+ }
+ if (msgname.v4.sin_port != htons(SCTP_TESTPORT_1)) {
+ DUMP_CORE;
+ }
+
+ if (msgname.v4.sin_family != AF_INET) {
+ DUMP_CORE;
+ }
+ if (msgname.v4.sin_addr.s_addr != SCTP_IP_LOOPBACK) {
+ DUMP_CORE;
+ }
+#endif
+
+ tst_resm(TPASS, "recvmsg SHUTDOWN_COMP notification");
+
+ close(sk2);
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2002, 2003
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a kernel test to verify the one-to-many style connect() in blocking
+ * and non-blocking modes.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 5;
+int TST_CNT = 0;
+
+int
+main(int argc, char *argv[])
+{
+ int svr_sk, clt_sk1, clt_sk2, peeloff_sk;
+ sctp_assoc_t svr_associd1, svr_associd2, clt_associd1, clt_associd2;
+ sockaddr_storage_t svr_loop, clt_loop1, clt_loop2, clt_loop3;
+ struct iovec iov;
+ struct msghdr inmessage;
+ int error;
+ struct sctp_assoc_change *sac;
+ char *big_buffer;
+ int flags;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Initialize the server and client addresses. */
+ svr_loop.v4.sin_family = AF_INET;
+ svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
+ clt_loop1.v4.sin_family = AF_INET;
+ clt_loop1.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ clt_loop1.v4.sin_port = htons(SCTP_TESTPORT_2);
+ clt_loop2.v4.sin_family = AF_INET;
+ clt_loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ clt_loop2.v4.sin_port = htons(SCTP_TESTPORT_2+1);
+ clt_loop3.v4.sin_family = AF_INET;
+ clt_loop3.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ clt_loop3.v4.sin_port = htons(SCTP_TESTPORT_2+2);
+
+ /* Create and bind the server socket. */
+ svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+ test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));
+
+ /* Mark server socket as being able to accept new associations. */
+ test_listen(svr_sk, 1);
+
+ /* Create and bind the client sockets. */
+ clt_sk1 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+ test_bind(clt_sk1, &clt_loop1.sa, sizeof(clt_loop1));
+ clt_sk2 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+ test_bind(clt_sk2, &clt_loop2.sa, sizeof(clt_loop2));
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(svr_sk);
+ test_enable_assoc_change(clt_sk1);
+ test_enable_assoc_change(clt_sk2);
+
+ /* Set clt_sk1 as non-blocking. */
+ flags = fcntl(clt_sk1, F_GETFL, 0);
+ if (flags < 0)
+ tst_brkm(TBROK, tst_exit, "fcntl F_GETFL: %s", strerror(errno));
+ if (fcntl(clt_sk1, F_SETFL, flags | O_NONBLOCK) < 0)
+ tst_brkm(TBROK, tst_exit, "fcntl F_SETFL: %s", strerror(errno));
+
+ /* Do a non-blocking connect from clt_sk1 to svr_sk */
+ error = connect(clt_sk1, &svr_loop.sa, sizeof(svr_loop));
+ /* Non-blocking connect should return immediately with EINPROGRESS. */
+ if ((error != -1) || (EINPROGRESS != errno))
+ tst_brkm(TBROK, tst_exit, "non-blocking connect error: %d"
+ "errno:%d", error, errno);
+
+ tst_resm(TPASS, "non-blocking connect");
+
+ /* Doing a connect on a socket to create an association that is
+ * is already established should return EISCONN.
+ */
+ error = connect(clt_sk1, &svr_loop.sa, sizeof(svr_loop));
+ if ((error != -1) || (EISCONN != errno))
+ tst_brkm(TBROK, tst_exit, "connect on a socket to create an "
+ "assoc that is already established error:%d errno:%d",
+ error, errno);
+
+ tst_resm(TPASS, "connect on a socket to create an assoc that is "
+ "already established");
+
+ /* Initialize inmessage for all receives. */
+ memset(&inmessage, 0, sizeof(inmessage));
+ big_buffer = test_malloc(REALLY_BIG);
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = NULL;
+
+ /* Get COMM_UP on clt_sk1 */
+ error = test_recvmsg(clt_sk1, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ clt_associd1 = sac->sac_assoc_id;
+
+ /* Get COMM_UP on svr_sk */
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ svr_associd1 = sac->sac_assoc_id;
+
+ /* Do a blocking connect from clt_sk2 to svr_sk.
+ * Blocking connect should block until the association is established
+ * and return success.
+ */
+ test_connect(clt_sk2, &svr_loop.sa, sizeof(svr_loop));
+
+ /* Get COMM_UP on clt_sk2 */
+ error = test_recvmsg(clt_sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ clt_associd2 = sac->sac_assoc_id;
+
+ /* Get COMM_UP on svr_sk */
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ svr_associd2 = sac->sac_assoc_id;
+
+ tst_resm(TPASS, "blocking connect");
+
+ peeloff_sk = test_sctp_peeloff(svr_sk, svr_associd1);
+
+ /* Doing a connect on a peeled off socket should fail. */
+ error = connect(peeloff_sk, &clt_loop3.sa, sizeof(clt_loop3));
+ if ((error != -1) || (EISCONN != errno))
+ tst_brkm(TBROK, tst_exit, "connect on a peeled off socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect on a peeled off socket");
+
+ /* Trying to create an association on a socket that matches an
+ * existing peeled-off association should fail.
+ */
+ error = connect(svr_sk, &clt_loop1.sa, sizeof(clt_loop1));
+ if ((error != -1) || (EADDRNOTAVAIL != errno))
+ tst_brkm(TBROK, tst_exit, "connect to create an assoc that "
+ "matches a peeled off assoc error:%d errno:%d",
+ error, errno);
+
+ tst_resm(TPASS, "connect to create an assoc that matches a peeled off "
+ "assoc");
+
+ close(svr_sk);
+ close(clt_sk1);
+ close(clt_sk2);
+ close(peeloff_sk);
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2002, 2003
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a kernel test to verify the one-to-many style sctp_connectx()
+ * in blocking and non-blocking modes.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 9;
+int TST_CNT = 0;
+
+#define NUMADDR 6
+#define SCTP_IP_LOOPBACK_I(I) htonl(0x7f000001 + I)
+
+#define NIPQUAD(addr) \
+ ((unsigned char *)&addr)[0], \
+ ((unsigned char *)&addr)[1], \
+ ((unsigned char *)&addr)[2], \
+ ((unsigned char *)&addr)[3]
+
+int
+main(int argc, char *argv[])
+{
+ int svr_sk, clt_sk1, clt_sk2, peeloff_sk;
+ sctp_assoc_t associd, svr_associd1, svr_associd2, clt_associd1, clt_associd2;
+ struct iovec iov;
+ struct msghdr inmessage;
+ int error, i;
+ struct sctp_assoc_change *sac;
+ char *big_buffer;
+ int flags;
+ struct sockaddr_in svr_loop[NUMADDR];
+ struct sockaddr_in svr_try[NUMADDR];
+ struct sockaddr_in clt_loop1[NUMADDR];
+ struct sockaddr_in clt_loop2[NUMADDR];
+ struct sockaddr_in clt_loop3[NUMADDR];
+ sockaddr_storage_t svr_test[NUMADDR], clt_test1[NUMADDR], clt_test2[NUMADDR];
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ for (i = 0; i < NUMADDR; i++) {
+ /* Initialize the server and client addresses. */
+ svr_loop[i].sin_family = AF_INET;
+ svr_loop[i].sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i);
+ svr_loop[i].sin_port = htons(SCTP_TESTPORT_1);
+ svr_test[i].v4.sin_family = AF_INET;
+ svr_test[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i);
+ svr_test[i].v4.sin_port = htons(SCTP_TESTPORT_1);
+ svr_try[i].sin_family = AF_INET;
+ if (i < (NUMADDR-1)) {
+ svr_try[i].sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i);
+ } else {
+ /* Make last address invalid. */
+ svr_try[i].sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i + 0x400);
+ }
+ svr_try[i].sin_port = htons(SCTP_TESTPORT_1);
+ clt_loop1[i].sin_family = AF_INET;
+ clt_loop1[i].sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i + 0x100);
+ clt_loop1[i].sin_port = htons(SCTP_TESTPORT_2);
+ clt_test1[i].v4.sin_family = AF_INET;
+ clt_test1[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i + 0x100);
+ clt_test1[i].v4.sin_port = htons(SCTP_TESTPORT_2);
+ clt_loop2[i].sin_family = AF_INET;
+ clt_loop2[i].sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i + 0x200);
+ clt_loop2[i].sin_port = htons(SCTP_TESTPORT_2+1);
+ clt_test2[i].v4.sin_family = AF_INET;
+ clt_test2[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i + 0x200);
+ clt_test2[i].v4.sin_port = htons(SCTP_TESTPORT_2+1);
+ clt_loop3[i].sin_family = AF_INET;
+ clt_loop3[i].sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i + 0x300);
+ clt_loop3[i].sin_port = htons(SCTP_TESTPORT_2+2);
+ }
+
+ /* Create and bind the server socket. */
+ svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+ test_bind(svr_sk, (struct sockaddr *)&svr_loop[0], sizeof(svr_loop[0]));
+ test_bindx_add(svr_sk, (struct sockaddr *)&svr_loop[1], NUMADDR-1);
+
+ /* Mark server socket as being able to accept new associations. */
+ test_listen(svr_sk, 1);
+
+ /* Create and bind the client sockets. */
+ clt_sk1 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+ test_bind(clt_sk1, (struct sockaddr *)&clt_loop1[0], sizeof(clt_loop1));
+ test_bindx_add(clt_sk1, (struct sockaddr *)&clt_loop1[1], NUMADDR-1);
+ clt_sk2 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+ test_bind(clt_sk2, (struct sockaddr *)&clt_loop2[0], sizeof(clt_loop2));
+ test_bindx_add(clt_sk2, (struct sockaddr *)&clt_loop2[1], NUMADDR-1);
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(svr_sk);
+ test_enable_assoc_change(clt_sk1);
+ test_enable_assoc_change(clt_sk2);
+
+ /* Set clt_sk1 as non-blocking. */
+ flags = fcntl(clt_sk1, F_GETFL, 0);
+ if (flags < 0)
+ tst_brkm(TBROK, tst_exit, "fcntl F_GETFL: %s", strerror(errno));
+ if (fcntl(clt_sk1, F_SETFL, flags | O_NONBLOCK) < 0)
+ tst_brkm(TBROK, tst_exit, "fcntl F_SETFL: %s", strerror(errno));
+
+ /* Do a non-blocking connectx from clt_sk1 to svr_sk */
+ error = sctp_connectx(clt_sk1, (struct sockaddr *)svr_try, NUMADDR,
+ &associd);
+ /* Non-blocking connectx should return immediately with EINPROGRESS. */
+ if ((error != -1) || (EINPROGRESS != errno))
+ tst_brkm(TBROK, tst_exit, "non-blocking connectx error: %d"
+ "errno:%d", error, errno);
+
+ tst_resm(TPASS, "non-blocking connectx");
+
+ /* Doing a connectx on a socket to create an association that is
+ * is already established should return EISCONN.
+ */
+ error = sctp_connectx(clt_sk1, (struct sockaddr *)svr_try, NUMADDR,
+ NULL);
+ if ((error != -1) || (EISCONN != errno))
+ tst_brkm(TBROK, tst_exit, "connectx on a socket to create an "
+ "assoc that is already established error:%d errno:%d",
+ error, errno);
+
+ tst_resm(TPASS, "connectx on a socket to create an assoc that is "
+ "already established");
+
+ /* Initialize inmessage for all receives. */
+ memset(&inmessage, 0, sizeof(inmessage));
+ big_buffer = test_malloc(REALLY_BIG);
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = NULL;
+
+ /* Get COMM_UP on clt_sk1 */
+ error = test_recvmsg(clt_sk1, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ clt_associd1 = sac->sac_assoc_id;
+
+ if (associd) {
+ if (associd != clt_associd1)
+ tst_brkm(TBROK, tst_exit, "Association id mismatch: "
+ "connectx returned %d, notification returned:%d",
+ associd, clt_associd1);
+ tst_resm(TPASS, "Association id match between sctp_connectx()"
+ " and notification.");
+ }
+
+ /* Get COMM_UP on svr_sk */
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ svr_associd1 = sac->sac_assoc_id;
+
+ /* Do a blocking connectx from clt_sk2 to svr_sk.
+ * Blocking connectx should block until the association is established
+ * and return success.
+ */
+ test_connectx(clt_sk2, (struct sockaddr *)svr_try, NUMADDR);
+
+ /* Get COMM_UP on clt_sk2 */
+ error = test_recvmsg(clt_sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ clt_associd2 = sac->sac_assoc_id;
+
+ /* Get COMM_UP on svr_sk */
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ svr_associd2 = sac->sac_assoc_id;
+
+ tst_resm(TPASS, "blocking connectx");
+
+ peeloff_sk = test_sctp_peeloff(svr_sk, svr_associd1);
+
+ /* Doing a connectx on a peeled off socket should fail. */
+ error = sctp_connectx(peeloff_sk, (struct sockaddr *)clt_loop3, NUMADDR,
+ NULL);
+ if ((error != -1) || (EISCONN != errno))
+ tst_brkm(TBROK, tst_exit, "connectx on a peeled off socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connectx on a peeled off socket");
+
+ /* Trying to create an association on a socket that matches an
+ * existing peeled-off association should fail.
+ */
+ error = sctp_connectx(svr_sk, (struct sockaddr *)clt_loop1, NUMADDR,
+ NULL);
+ if ((error != -1) || (EADDRNOTAVAIL != errno))
+ tst_brkm(TBROK, tst_exit, "connectx to create an assoc that "
+ "matches a peeled off assoc error:%d errno:%d",
+ error, errno);
+
+ tst_resm(TPASS, "connectx to create an assoc that matches a peeled off "
+ "assoc");
+
+ test_peer_addr(peeloff_sk, svr_associd1, clt_test1, NUMADDR);
+ tst_resm(TPASS, "server association 1 peers ok");
+ test_peer_addr(svr_sk, svr_associd2, clt_test2, NUMADDR);
+ tst_resm(TPASS, "server association 2 peers ok");
+ test_peer_addr(clt_sk1, clt_associd1, svr_test, NUMADDR);
+ tst_resm(TPASS, "client association 1 peers ok");
+ test_peer_addr(clt_sk2, clt_associd2, svr_test, NUMADDR);
+ tst_resm(TPASS, "client association 2 peers ok");
+ close(svr_sk);
+ close(clt_sk1);
+ close(clt_sk2);
+ close(peeloff_sk);
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * La Monte H.P. Yarroll <piggy@acm.org>
+ * Karl Knutson <karl@athena.chicago.il.us>
+ * Hui Huang <hui.huang@nokia.com>
+ * Jon Grimm <jgrimm@us.ibm.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a functional test to verify the data fragmentation, reassembly
+ * support and SCTP_DISABLE_FRAGMENTS socket option.
+ * The following tests are done in sequence.
+ * - Verify SCTP_DISABLE_FRAGMENTS socket option by doing a setsockopt()
+ * followed by a getsockopt().
+ * - Verify that a message size exceeding the association fragmentation
+ * point cannot be sent when fragmentation is disabled.
+ * - Send and receive a set of messages that are bigger than the path mtu.
+ * The different message sizes to be tested are specified in the array
+ * msg_sizes[].
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <sys/errno.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 4;
+int TST_CNT = 0;
+
+int msg_sizes[] = {1353, 2000, 5000, 10000, 20000, 32768};
+
+int
+main(int argc, char *argv[])
+{
+ int sk1, sk2;
+ sockaddr_storage_t loop1;
+ sockaddr_storage_t loop2;
+ struct iovec iov;
+ struct msghdr inmessage;
+ struct msghdr outmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+ struct iovec out_iov;
+ int error, bytes_sent;
+ int pf_class, af_family;
+ uint32_t ppid;
+ uint32_t stream;
+ sctp_assoc_t associd1, associd2;
+ struct sctp_assoc_change *sac;
+ char *big_buffer;
+ int msg_len, msg_cnt, i;
+ void *msg_buf;
+ int disable_frag;
+ socklen_t optlen;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Set some basic values which depend on the address family. */
+#if TEST_V6
+ pf_class = PF_INET6;
+ af_family = AF_INET6;
+
+ loop1.v6.sin6_family = AF_INET6;
+ loop1.v6.sin6_addr = in6addr_loopback;
+ loop1.v6.sin6_port = htons(SCTP_TESTPORT_1);
+
+ loop2.v6.sin6_family = AF_INET6;
+ loop2.v6.sin6_addr = in6addr_loopback;
+ loop2.v6.sin6_port = htons(SCTP_TESTPORT_2);
+#else
+ pf_class = PF_INET;
+ af_family = AF_INET;
+
+ loop1.v4.sin_family = AF_INET;
+ loop1.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ loop1.v4.sin_port = htons(SCTP_TESTPORT_1);
+
+ loop2.v4.sin_family = AF_INET;
+ loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ loop2.v4.sin_port = htons(SCTP_TESTPORT_2);
+#endif /* TEST_V6 */
+
+ /* Create the two endpoints which will talk to each other. */
+ sk1 = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ sk2 = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(sk1);
+ test_enable_assoc_change(sk2);
+
+ /* Bind these sockets to the test ports. */
+ test_bind(sk1, &loop1.sa, sizeof(loop1));
+ test_bind(sk2, &loop2.sa, sizeof(loop2));
+
+ /* Mark sk2 as being able to accept new associations. */
+ test_listen(sk2, 1);
+
+ /* Send the first message. This will create the association. */
+ outmessage.msg_name = &loop2;
+ outmessage.msg_namelen = sizeof(loop2);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid = rand(); /* Choose an arbitrary value. */
+ stream = 1;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ msg_len = 10;
+ msg_buf = test_build_msg(10);
+ outmessage.msg_iov->iov_base = msg_buf;
+ outmessage.msg_iov->iov_len = msg_len;
+ test_sendmsg(sk1, &outmessage, 0, msg_len);
+
+
+ /* Initialize inmessage for all receives. */
+ big_buffer = test_malloc(REALLY_BIG);
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+
+ /* Get the communication up message on sk2. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ associd2 = sac->sac_assoc_id;
+
+ /* Get the communication up message on sk1. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk1, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ associd1 = sac->sac_assoc_id;
+
+ /* Get the first message which was sent. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, msg_len, MSG_EOR, stream, ppid);
+
+ free(msg_buf);
+
+ /* Disable fragmentation. */
+ disable_frag = 1;
+ test_setsockopt(sk1, SCTP_DISABLE_FRAGMENTS, &disable_frag,
+ sizeof(disable_frag));
+
+ tst_resm(TPASS, "setsockopt(SCTP_DISABLE_FRAGMENTS)");
+
+ /* Do a getsockopt() and verify that fragmentation is disabled. */
+ disable_frag = 0;
+ optlen = sizeof(disable_frag);
+ error = test_getsockopt(sk1, SCTP_DISABLE_FRAGMENTS, &disable_frag,
+ &optlen);
+ if ((error != 0) && (disable_frag != 1))
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DISABLE_FRAGMENTS) "
+ "error:%d errno:%d disable_frag:%d",
+ error, errno, disable_frag);
+
+ tst_resm(TPASS, "getsockopt(SCTP_DISABLE_FRAGMENTS)");
+
+ /* Try to send a messsage that exceeds association fragmentation point
+ * and verify that it fails.
+ */
+ msg_len = 30000;
+ msg_buf = test_build_msg(msg_len);
+ outmessage.msg_iov->iov_base = msg_buf;
+ outmessage.msg_iov->iov_len = msg_len;
+ error = sendmsg(sk1, &outmessage, 0);
+ if ((error != -1) || (errno != EMSGSIZE))
+ tst_brkm(TBROK, tst_exit, "Send a message that exceeds "
+ "assoc frag point error:%d errno:%d", error, errno);
+
+ tst_resm(TPASS, "Send a message that exceeds assoc frag point");
+
+ /* Enable Fragmentation. */
+ disable_frag = 0;
+ test_setsockopt(sk1, SCTP_DISABLE_FRAGMENTS, &disable_frag,
+ sizeof(disable_frag));
+
+ msg_cnt = sizeof(msg_sizes) / sizeof(int);
+
+ /* Send and receive the messages of different sizes specified in the
+ * msg_sizes array in a loop.
+ */
+ for (i = 0; i < msg_cnt; i++) {
+
+ msg_len = msg_sizes[i];
+ msg_buf = test_build_msg(msg_len);
+ outmessage.msg_iov->iov_base = msg_buf;
+ outmessage.msg_iov->iov_len = msg_len;
+ bytes_sent = test_sendmsg(sk1, &outmessage, 0, msg_len);
+
+ tst_resm(TINFO, "Sent %d byte message", bytes_sent);
+
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ /* Handle Partial Reads. */
+ if (inmessage.msg_flags & MSG_EOR) {
+ test_check_msg_data(&inmessage, error, bytes_sent,
+ MSG_EOR, stream, ppid);
+ tst_resm(TINFO, "Received %d byte message", error);
+ } else {
+ int remain;
+
+ test_check_msg_data(&inmessage, error, error, 0,
+ stream, ppid);
+ tst_resm(TINFO, "Received %d byte message", error);
+
+ /* Read the remaining message. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ remain = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, remain,
+ bytes_sent - error,
+ MSG_EOR, stream, ppid);
+ tst_resm(TINFO, "Received %d byte message", error);
+ }
+
+ free(msg_buf);
+ }
+
+ tst_resm(TPASS, "Send/Receive fragmented messages");
+
+ /* Shut down the link. */
+ close(sk1);
+
+ /* Get the shutdown complete notification. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
+
+ close(sk2);
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2004
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a kernel test to verify getsockname() and getpeername() interfaces
+ * for single-homed one-to-one style sockets.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 13;
+int TST_CNT = 0;
+
+#define MAX_CLIENTS 10
+
+int
+main(int argc, char *argv[])
+{
+ int clt_sk, svr_sk, accept_sk;
+ sockaddr_storage_t svr_loop, accept_loop;
+ sockaddr_storage_t svr_local_addr, svr_peer_addr;
+ sockaddr_storage_t clt_local_addr, clt_peer_addr;
+ socklen_t len;
+ int error;
+ int pf_class;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Initialize the server and client addresses. */
+#if TEST_V6
+ pf_class = PF_INET6;
+ svr_loop.v6.sin6_family = AF_INET6;
+ svr_loop.v6.sin6_addr = (struct in6_addr)SCTP_IN6ADDR_ANY_INIT;
+ svr_loop.v6.sin6_port = htons(SCTP_TESTPORT_1);
+#else
+ pf_class = PF_INET;
+ svr_loop.v4.sin_family = AF_INET;
+ svr_loop.v4.sin_addr.s_addr = INADDR_ANY;
+ svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
+#endif
+
+ /* Create and bind the listening server socket. */
+ svr_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));
+
+ bzero(&svr_local_addr, sizeof(svr_local_addr));
+ len = sizeof(svr_local_addr);
+ /* Verify that getsockname() on an unconnected socket works fine. */
+ error = getsockname(svr_sk, (struct sockaddr *)&svr_local_addr, &len);
+ if (0 != error)
+ tst_brkm(TBROK, tst_exit, "getsockname: %s", strerror(errno));
+
+ tst_resm(TPASS, "getsockname on an unconnected socket");
+
+ bzero(&svr_peer_addr, sizeof(svr_peer_addr));
+ len = sizeof(svr_peer_addr);
+ /* Verify that getpeername() on an unconnected socket fails. */
+ error = getpeername(svr_sk, (struct sockaddr *)&svr_peer_addr, &len);
+ if ((-1 != error) || (ENOTCONN != errno))
+ tst_brkm(TBROK, tst_exit, "getpeername on an unconnected "
+ "socket error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "getpeername on an unconnected socket");
+
+ /* Mark svr_sk as being able to accept new associations. */
+ test_listen(svr_sk, 5);
+
+ /* Create the client socket. */
+ clt_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /* Do a blocking connect from clt_sk to svr_sk */
+#if TEST_V6
+ svr_loop.v6.sin6_addr = in6addr_loopback;
+#else
+ svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+#endif
+ test_connect(clt_sk, &svr_loop.sa, sizeof(svr_loop));
+
+ bzero(&clt_local_addr, sizeof(clt_local_addr));
+ len = sizeof(clt_local_addr);
+ /* Get the client's local address. */
+ error = getsockname(clt_sk, (struct sockaddr *)&clt_local_addr, &len);
+ if (0 != error)
+ tst_brkm(TBROK, tst_exit, "getsockname on a connected client "
+ "socket: %s", strerror(errno));
+
+ tst_resm(TPASS, "getsockname on a connected client socket");
+
+ bzero(&clt_peer_addr, sizeof(clt_peer_addr));
+ len = sizeof(clt_peer_addr);
+ /* Get the client's peer address. */
+ error = getpeername(clt_sk, (struct sockaddr *)&clt_peer_addr, &len);
+ if (0 != error)
+ tst_brkm(TBROK, tst_exit, "getpeername on a connected client "
+ "socket: %s", strerror(errno));
+
+ tst_resm(TPASS, "getpeername on a connected client socket");
+
+ /* Extract the association on the listening socket as a new socket. */
+ len = sizeof(accept_loop);
+ accept_sk = test_accept(svr_sk, &accept_loop.sa, &len);
+
+ bzero(&svr_local_addr, sizeof(svr_local_addr));
+ len = sizeof(svr_local_addr);
+ /* Get the server's local address. */
+ error = getsockname(accept_sk, (struct sockaddr *)&svr_local_addr,
+ &len);
+ if (0 != error)
+ tst_brkm(TBROK, tst_exit, "getsockname on a connected server "
+ "socket: %s", strerror(errno));
+
+ tst_resm(TPASS, "getsockname on a connected server socket");
+
+ bzero(&svr_peer_addr, sizeof(svr_peer_addr));
+ len = sizeof(svr_peer_addr);
+ /* Get the server's peer address. */
+ error = getpeername(accept_sk, (struct sockaddr *)&svr_peer_addr,
+ &len);
+ if (0 != error)
+ tst_brkm(TBROK, tst_exit, "getpeername on a connected server "
+ "socket: %s", strerror(errno));
+
+ tst_resm(TPASS, "getpeername on a connected server socket");
+
+ if (svr_local_addr.v4.sin_port != clt_peer_addr.v4.sin_port)
+ tst_brkm(TBROK, tst_exit, "Server's local port(%d) doesn't "
+ "match Client's peer port(%d)\n",
+ svr_local_addr.v4.sin_port, clt_peer_addr.v4.sin_port);
+
+ if (svr_peer_addr.v4.sin_port != clt_local_addr.v4.sin_port)
+ tst_brkm(TBROK, tst_exit, "Server's peer port(%d) doesn't "
+ "match Client's local port(%d)\n",
+ svr_peer_addr.v4.sin_port, clt_local_addr.v4.sin_port);
+#if TEST_V6
+ if (memcmp(&svr_local_addr, &clt_peer_addr, len) != 0)
+ tst_brkm(TBROK, tst_exit, "Server's local address and client's "
+ "peer addresses do not match\n");
+
+ if (memcmp(&svr_peer_addr, &clt_local_addr, len) != 0)
+ tst_brkm(TBROK, tst_exit, "Server's peer address and client's "
+ "local addresses do not match\n");
+#else
+ if (svr_local_addr.v4.sin_addr.s_addr !=
+ clt_peer_addr.v4.sin_addr.s_addr)
+ tst_brkm(TBROK, tst_exit, "Server's local address and client's "
+ "peer addresses do not match\n");
+ if (svr_peer_addr.v4.sin_addr.s_addr !=
+ clt_local_addr.v4.sin_addr.s_addr)
+ tst_brkm(TBROK, tst_exit, "Server's peer address and client's "
+ "local addresses do not match\n");
+#endif
+ tst_resm(TPASS, "getsockname/getpeername server/client match");
+
+ bzero(&clt_local_addr, sizeof(clt_local_addr));
+ len = sizeof(clt_local_addr);
+ /*getsockname(): Bad socket descriptor, EBADF expected error*/
+ error = getsockname(-1, (struct sockaddr *)&clt_local_addr, &len);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "getsockname on a bad socket "
+ "descriptor. error:%d errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockname on a bad socket descriptor - EBADF");
+
+ /*getsockname(): Invalid socket, ENOTSOCK expected error*/
+ error = getsockname(0, (struct sockaddr *)&clt_local_addr, &len);
+ if (error != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "getsockname on an invalid socket "
+ "error:%d errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockname on an invalid socket - ENOTSOCK");
+
+ /*getsockname(): Invalid structure, EFAULT expected error*/
+ error = getsockname(clt_sk, (struct sockaddr *)-1, &len);
+ if (error != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "getsockname with invalid buffer "
+ "error:%d errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockname with invalid buffer - EFAULT");
+
+ bzero(&clt_peer_addr, sizeof(clt_peer_addr));
+ len = sizeof(clt_peer_addr);
+ /*getpeername(): Bad socket descriptor, EBADF expected error*/
+ error = getpeername(-1, (struct sockaddr *)&clt_local_addr, &len);
+ if (error != -1 || errno != EBADF)
+ tst_brkm(TBROK, tst_exit, "getpeername on a bad socket "
+ "descriptor. error:%d errno:%d", error, errno);
+
+ tst_resm(TPASS, "getpeername on a bad socket descriptor - EBADF");
+
+ /*getpeername(): Invalid socket, ENOTSOCK expected error*/
+ error = getpeername(0, (struct sockaddr *)&clt_local_addr, &len);
+ if (error != -1 || errno != ENOTSOCK)
+ tst_brkm(TBROK, tst_exit, "getpeername on an invalid socket "
+ "error:%d errno:%d", error, errno);
+
+ tst_resm(TPASS, "getpeername on an invalid socket - ENOTSOCK");
+
+ /*getpeername(): Invalid structure, EFAULT expected error*/
+ error = getpeername(clt_sk, (struct sockaddr *)-1, &len);
+ if (error != -1 || errno != EFAULT)
+ tst_brkm(TBROK, tst_exit, "getpeername with invalid buffer "
+ "error:%d errno:%d", error, errno);
+
+ tst_resm(TPASS, "getpeername with invalid buffer - EFAULT");
+
+ close(clt_sk);
+ close(svr_sk);
+ close(accept_sk);
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2002, 2003
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, Inc.
+ * Copyright (c) 2001 La Monte H.P. Yarroll
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * La Monte H.P. Yarroll <piggy@acm.org>
+ * Karl Knutson <karl@athena.chicago.il.us>
+ * Jon Grimm <jgrimm@us.ibm.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ * Daisy Chang <daisyc@us.ibm.com>
+ */
+
+/* This is a functional test to verify binding a socket with INADDRY_ANY
+ * address and send messages.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 2;
+int TST_CNT = 0;
+
+int
+main(void)
+{
+ int sk1, sk2;
+ sockaddr_storage_t loop;
+ sockaddr_storage_t anyaddr;
+ struct msghdr outmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+ struct iovec out_iov;
+ struct iovec iov;
+ struct msghdr inmessage;
+ char *message = "hello, world!\n";
+ char *telephone = "Watson, come here! I need you!\n";
+ char *telephone_resp = "I already brought your coffee...\n";
+ int error;
+ int pf_class, af_family;
+ uint32_t ppid;
+ uint32_t stream;
+ socklen_t namelen;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Set some basic values which depend on the address family. */
+#if TEST_V6
+ pf_class = PF_INET6;
+ af_family = AF_INET6;
+
+ loop.v6.sin6_family = AF_INET6;
+ loop.v6.sin6_addr = (struct in6_addr)SCTP_IN6ADDR_LOOPBACK_INIT;
+ loop.v6.sin6_port = 0;
+
+ anyaddr.v6.sin6_family = AF_INET6;
+ anyaddr.v6.sin6_addr = (struct in6_addr)SCTP_IN6ADDR_ANY_INIT;
+ anyaddr.v6.sin6_port = 0;
+#else
+ pf_class = PF_INET;
+ af_family = AF_INET;
+
+ loop.v4.sin_family = AF_INET;
+ loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ loop.v4.sin_port = 0;
+
+ anyaddr.v4.sin_family = AF_INET;
+ anyaddr.v4.sin_addr.s_addr = INADDR_ANY;
+ anyaddr.v4.sin_port = 0;
+#endif /* TEST_V6 */
+
+ /* Create the two endpoints which will talk to each other. */
+ sk1 = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ sk2 = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(sk1);
+ test_enable_assoc_change(sk2);
+
+ /* Bind these sockets to the test ports. */
+ test_bind(sk1, &loop.sa, sizeof(loop));
+ test_bind(sk2, &anyaddr.sa, sizeof(anyaddr));
+
+ tst_resm(TPASS, "bind INADDR_ANY address");
+
+ /* Mark sk2 as being able to accept new associations */
+ test_listen(sk2, 1);
+
+ /* Now use getsockaname() to retrieve the ephmeral ports. */
+ namelen = sizeof(loop);
+ error = getsockname(sk1, &loop.sa, &namelen);
+ if (error != 0)
+ tst_brkm(TBROK, tst_exit, "getsockname: %s", strerror(errno));
+
+ namelen = sizeof(anyaddr);
+ error = getsockname(sk2, &anyaddr.sa, &namelen);
+ if (error != 0)
+ tst_brkm(TBROK, tst_exit, "getsockname: %s", strerror(errno));
+
+#if TEST_V6
+ loop.v6.sin6_port = anyaddr.v6.sin6_port;
+#else
+ loop.v4.sin_port = anyaddr.v4.sin_port;
+#endif
+
+ /* Send the first message. This will create the association. */
+ outmessage.msg_name = &loop;
+ outmessage.msg_namelen = sizeof(loop);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid = rand(); /* Choose an arbitrary value. */
+ stream = 1;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = strlen(message) + 1;
+ test_sendmsg(sk1, &outmessage, 0, strlen(message)+1);
+
+ /* Initialize inmessage for all receives. */
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = test_malloc(REALLY_BIG);
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+
+ /* Get the communication up message on sk2. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+
+ /* Get the communication up message on sk1. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk1, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+
+ /* Get the first message which was sent. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+
+ /* Send 2 messages. */
+ outmessage.msg_name = &loop;
+ outmessage.msg_namelen = sizeof(loop);
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid++;
+ stream++;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ outmessage.msg_iov->iov_base = telephone;
+ outmessage.msg_iov->iov_len = strlen(telephone) + 1;
+ test_sendmsg(sk1, &outmessage, 0, strlen(telephone)+1);
+
+ outmessage.msg_iov->iov_base = telephone_resp;
+ outmessage.msg_iov->iov_len = strlen(telephone_resp) + 1;
+ test_sendmsg(sk1, &outmessage, 0, strlen(telephone_resp)+1);
+
+ /* Get those two messages. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(telephone) + 1,
+ MSG_EOR, stream, ppid);
+
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(telephone_resp) + 1,
+ MSG_EOR, stream, ppid);
+
+ /* Shut down the link. */
+ close(sk1);
+
+ /* Get the shutdown complete notification. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
+
+ close(sk2);
+
+ tst_resm(TPASS, "send msgs from a socket with INADDR_ANY bind address");
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a Functional test to verify the new SCTP interface sctp_peeloff()
+ * that can be used to branch off an association into a separate socket.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 6;
+int TST_CNT = 0;
+
+#define MAX_CLIENTS 10
+
+int
+main(int argc, char *argv[])
+{
+ int svr_sk, clt_sk[MAX_CLIENTS], peeloff_sk[MAX_CLIENTS];
+ sctp_assoc_t svr_associd[MAX_CLIENTS], clt_associd[MAX_CLIENTS];
+ sockaddr_storage_t svr_loop, clt_loop[MAX_CLIENTS];
+ struct iovec iov;
+ struct msghdr inmessage;
+ struct msghdr outmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+ struct iovec out_iov;
+ int error;
+ uint32_t ppid;
+ uint32_t stream;
+ struct sctp_assoc_change *sac;
+ char *big_buffer;
+ int i;
+ char *message = "hello, world!\n";
+ int pf_class;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+#if TEST_V6
+ pf_class = PF_INET6;
+ svr_loop.v6.sin6_family = AF_INET6;
+ svr_loop.v6.sin6_addr = in6addr_loopback;
+ svr_loop.v6.sin6_port = htons(SCTP_TESTPORT_1);
+#else
+ pf_class = PF_INET;
+ svr_loop.v4.sin_family = AF_INET;
+ svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
+#endif
+
+ /* Create and bind the server socket. */
+ svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(svr_sk);
+
+ /* Mark server socket as being able to accept new associations. */
+ test_listen(svr_sk, 1);
+
+ /* Create and bind all the client sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ clt_sk[i] = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+#if TEST_V6
+ clt_loop[i].v6.sin6_family = AF_INET6;
+ clt_loop[i].v6.sin6_addr = in6addr_loopback;
+ clt_loop[i].v6.sin6_port = htons(SCTP_TESTPORT_2 + i);
+#else
+ clt_loop[i].v4.sin_family = AF_INET;
+ clt_loop[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ clt_loop[i].v4.sin_port = htons(SCTP_TESTPORT_2 + i);
+#endif
+ test_bind(clt_sk[i], &clt_loop[i].sa, sizeof(clt_loop[i]));
+
+ test_enable_assoc_change(clt_sk[i]);
+ }
+
+ /* Send the first message from all the clients to the server. This
+ * will create the associations.
+ */
+ outmessage.msg_name = &svr_loop;
+ outmessage.msg_namelen = sizeof(svr_loop);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid = rand(); /* Choose an arbitrary value. */
+ stream = 1;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = strlen(message) + 1;
+ for (i = 0; i < MAX_CLIENTS; i++)
+ test_sendmsg(clt_sk[i], &outmessage, 0,
+ strlen(message)+1);
+
+ /* Initialize inmessage for all receives. */
+ big_buffer = test_malloc(REALLY_BIG);
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+
+ /* Get the communication up message on all client sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ clt_associd[i] = sac->sac_assoc_id;
+ }
+
+ /* Get the communication up message and the data message on the
+ * server sockets for all the clients.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ svr_associd[i] = sac->sac_assoc_id;
+
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+ }
+
+ /* Branch off all the associations on the server socket to separate
+ * individual sockets.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++)
+ peeloff_sk[i] = test_sctp_peeloff(svr_sk, svr_associd[i]);
+
+ tst_resm(TPASS, "sctp_peeloff");
+
+ errno = 0;
+ /* Verify that a peeled off socket is not allowed to do a listen(). */
+ error = listen(peeloff_sk[0], 1);
+ if (error != -1)
+ tst_brkm(TBROK, tst_exit, "listen on a peeled off socket "
+ "error: %d, errno: %d", error, errno);
+
+ tst_resm(TPASS, "listen on a peeled off socket");
+
+ errno = 0;
+ /* Verify that an association cannot be branched off an already
+ * peeled-off socket.
+ */
+ if ((-1 != sctp_peeloff(peeloff_sk[0], svr_associd[0])) ||
+ (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "sctp_peeloff on a peeled off "
+ "socket error:%d, errno:%d",
+ error, errno);
+
+ tst_resm(TPASS, "sctp_peeloff on a peeled off socket");
+
+ /* Send a message from all the client sockets to the server socket. */
+ for (i = 0; i < MAX_CLIENTS; i++)
+ test_sendmsg(clt_sk[i], &outmessage, 0, strlen(message)+1);
+
+ /* Receive the sent messages on the peeled off server sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(peeloff_sk[i], &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+ }
+
+ tst_resm(TPASS, "Receive msgs on peeled off sockets");
+
+ /* Send a message from all the peeled off server sockets to the client
+ * sockets.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ outmessage.msg_name = &clt_loop[i];
+ outmessage.msg_namelen = sizeof(clt_loop[i]);
+ test_sendmsg(peeloff_sk[i], &outmessage, 0, strlen(message)+1);
+ }
+
+ /* Receive the messages sent from the peeled of server sockets on
+ * the client sockets.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+ }
+
+ tst_resm(TPASS, "Send msgs on peeled off sockets");
+
+ errno = 0;
+ /* Verify that a peeled-off socket cannot initialize a new
+ * association by trying to send a message to a client that is not
+ * associated with the peeled-off socket.
+ * The message is sent to the client that is associated with the
+ * socket.
+ */
+ outmessage.msg_name = &clt_loop[1];
+ outmessage.msg_namelen = sizeof(clt_loop[1]);
+ test_sendmsg(peeloff_sk[0], &outmessage, 0, strlen(message)+1);
+
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk[0], &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+
+ tst_resm(TPASS, "peeled off socket cannot initialize a new assoc");
+
+ close(svr_sk);
+
+ /* Close all the peeled off server sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++)
+ close(peeloff_sk[i]);
+
+ /* Get the shutdown complete notification from all the client
+ * sockets.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE,
+ SCTP_SHUTDOWN_COMP);
+
+ close(clt_sk[i]);
+ }
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2002, 2003
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ *
+ * This file is part of the SCTP kernel Implementation
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Written or modified by:
+ * Sridhar Samudrala <sri@us.ibm.com>
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ */
+
+/* This is a kernel test to verify
+ * 1. MSG_EOR flag is set correctly when a single message is read using multiple
+ * recvmsg() calls.
+ * 2. MSG_PEEK support.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 2;
+int TST_CNT = 0;
+
+int
+main(int argc, char *argv[])
+{
+ int svr_sk, clt_sk;
+ struct sockaddr_in svr_loop, clt_loop;
+ struct iovec iov, out_iov;
+ struct msghdr inmessage, outmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ int error, msglen, i;
+ char *big_buffer;
+ void *msg_buf;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Initialize the server and client addresses. */
+ svr_loop.sin_family = AF_INET;
+ svr_loop.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ svr_loop.sin_port = htons(SCTP_TESTPORT_1);
+ clt_loop.sin_family = AF_INET;
+ clt_loop.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ clt_loop.sin_port = htons(SCTP_TESTPORT_2);
+
+ /* Create and bind the server socket. */
+ svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+ test_bind(svr_sk, (struct sockaddr *)&svr_loop, sizeof(svr_loop));
+
+ /* Mark server socket as being able to accept new associations. */
+ test_listen(svr_sk, 1);
+
+ /* Create and bind the client sockets. */
+ clt_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
+ test_bind(clt_sk, (struct sockaddr *)&clt_loop, sizeof(clt_loop));
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(svr_sk);
+ test_enable_assoc_change(clt_sk);
+
+ /* Send a message. This will create the association. */
+ memset(&outmessage, 0, sizeof(outmessage));
+ outmessage.msg_name = &svr_loop;
+ outmessage.msg_namelen = sizeof(svr_loop);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ msg_buf = test_build_msg(30000);
+ outmessage.msg_iov->iov_base = msg_buf;
+ outmessage.msg_iov->iov_len = 30000;
+ test_sendmsg(clt_sk, &outmessage, 0, 30000);
+
+ /* Initialize inmessage for all receives. */
+ big_buffer = test_malloc(REALLY_BIG);
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = 2000;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+
+ /* Receive COMM_UP on clt_sk. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk, &inmessage, 0);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+
+ /* Receive COMM_UP on svr_sk. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+
+ /* Read the 30000 byte message using multiple recvmsg() calls in a
+ * loop with 2000 bytes per read.
+ */
+ for (i = 0, msglen = 30000; i < 15; i++, msglen-=2000) {
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(svr_sk, &inmessage, MSG_PEEK);
+ test_check_msg_data(&inmessage, error, msglen,
+ MSG_EOR, 0, 0);
+
+ iov.iov_len = 2000;
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, 2000,
+ ((i==14)?MSG_EOR:0), 0, 0);
+ }
+
+ tst_resm(TPASS, "recvmsg with MSG_PEEK flag");
+ tst_resm(TPASS, "MSG_EOR in msg_flags set correctly");
+
+ close(svr_sk);
+ close(clt_sk);
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2003
+ * Copyright (c) 2003 Intel Corp.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * To compile the v6 version, set the symbol TEST_V6 to 1.
+ *
+ * Written or modified by:
+ * Ardelle Fan <ardelle.fan@intel.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a basic functional test for the SCTP new library APIs
+ * sctp_sendmsg() and sctp_recvmsg(). test_timetolive.c is rewritten using
+ * these new APIs.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <sys/errno.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 10;
+int TST_CNT = 0;
+
+/* RCVBUF value, and indirectly RWND*2 */
+#define SMALL_RCVBUF 3000
+#define SMALL_MAXSEG 100
+/* This is extra data length to ensure rwnd closes */
+#define RWND_SLOP 100
+static char *fillmsg = NULL;
+static char *ttlmsg = "This should time out!\n";
+static char *nottlmsg = "This should NOT time out!\n";
+static char ttlfrag[SMALL_MAXSEG*3] = {0};
+static char *message = "Hello world\n";
+
+int main(int argc, char *argv[])
+{
+ int sk1, sk2;
+ sockaddr_storage_t loop1;
+ sockaddr_storage_t loop2;
+ sockaddr_storage_t msgname;
+ int error;
+ int pf_class, af_family;
+ uint32_t ppid;
+ uint32_t stream;
+ struct sctp_event_subscribe subscribe;
+ char *big_buffer;
+ int offset, msg_flags;
+ socklen_t msgname_len;
+ size_t buflen;
+ struct sctp_send_failed *ssf;
+ struct sctp_sndrcvinfo sinfo;
+ struct sctp_sndrcvinfo snd_sinfo;
+ sctp_assoc_t associd1, associd2;
+ int len, oldlen;
+ struct sctp_status gstatus;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Set some basic values which depend on the address family. */
+#if TEST_V6
+ pf_class = PF_INET6;
+ af_family = AF_INET6;
+
+ loop1.v6.sin6_family = AF_INET6;
+ loop1.v6.sin6_addr = in6addr_loopback;
+ loop1.v6.sin6_port = htons(SCTP_TESTPORT_1);
+
+ loop2.v6.sin6_family = AF_INET6;
+ loop2.v6.sin6_addr = in6addr_loopback;
+ loop2.v6.sin6_port = htons(SCTP_TESTPORT_2);
+#else
+ pf_class = PF_INET;
+ af_family = AF_INET;
+
+ loop1.v4.sin_family = AF_INET;
+ loop1.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ loop1.v4.sin_port = htons(SCTP_TESTPORT_1);
+
+ loop2.v4.sin_family = AF_INET;
+ loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ loop2.v4.sin_port = htons(SCTP_TESTPORT_2);
+#endif /* TEST_V6 */
+
+ /* Create the two endpoints which will talk to each other. */
+ sk1 = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ sk2 = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ /* Set the MAXSEG to something smallish. */
+ {
+ int val = SMALL_MAXSEG;
+ test_setsockopt(sk1, SCTP_MAXSEG, &val, sizeof(val));
+ }
+
+ memset(&subscribe, 0, sizeof(subscribe));
+ subscribe.sctp_data_io_event = 1;
+ subscribe.sctp_association_event = 1;
+ subscribe.sctp_send_failure_event = 1;
+ test_setsockopt(sk1, SCTP_EVENTS, &subscribe, sizeof(subscribe));
+ test_setsockopt(sk2, SCTP_EVENTS, &subscribe, sizeof(subscribe));
+
+ /* Bind these sockets to the test ports. */
+ test_bind(sk1, &loop1.sa, sizeof(loop1));
+ test_bind(sk2, &loop2.sa, sizeof(loop2));
+
+ /*
+ * Set the RWND small so we can fill it up easily.
+ * then reset RCVBUF to avoid frame droppage
+ */
+ len = sizeof(int);
+ error = getsockopt(sk2, SOL_SOCKET, SO_RCVBUF, &oldlen, &len);
+
+ if (error)
+ tst_brkm(TBROK, tst_exit, "can't get rcvbuf size: %s",
+ strerror(errno));
+
+ len = SMALL_RCVBUF; /* Really becomes 2xlen when set. */
+
+ error = setsockopt(sk2, SOL_SOCKET, SO_RCVBUF, &len, sizeof(len));
+ if (error)
+ tst_brkm(TBROK, tst_exit, "setsockopt(SO_RCVBUF): %s",
+ strerror(errno));
+
+ /* Mark sk2 as being able to accept new associations. */
+ test_listen(sk2, 1);
+
+ /* Send the first message. This will create the association. */
+ ppid = rand();
+ stream = 1;
+ test_sctp_sendmsg(sk1, message, strlen(message) + 1,
+ (struct sockaddr *)&loop2, sizeof(loop2),
+ ppid, 0, stream, 0, 0);
+
+ tst_resm(TPASS, "sctp_sendmsg");
+
+ /* Get the communication up message on sk2. */
+ buflen = REALLY_BIG;
+ big_buffer = test_malloc(buflen);
+ msgname_len = sizeof(msgname);
+ error = test_sctp_recvmsg(sk2, big_buffer, buflen,
+ (struct sockaddr *)&msgname, &msgname_len,
+ &sinfo, &msg_flags);
+ associd2 = ((struct sctp_assoc_change *)big_buffer)->sac_assoc_id;
+ test_check_buf_notification(big_buffer, error, msg_flags,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+
+
+ /* restore the rcvbuffer size for the receiving socket */
+ error = setsockopt(sk2, SOL_SOCKET, SO_RCVBUF, &oldlen,
+ sizeof(oldlen));
+
+ if (error)
+ tst_brkm(TBROK, tst_exit, "setsockopt(SO_RCVBUF): %s",
+ strerror(errno));
+
+ /* Get the communication up message on sk1. */
+ buflen = REALLY_BIG;
+ msgname_len = sizeof(msgname);
+ error = test_sctp_recvmsg(sk1, big_buffer, buflen,
+ (struct sockaddr *)&msgname, &msgname_len,
+ &sinfo, &msg_flags);
+ associd1 = ((struct sctp_assoc_change *)big_buffer)->sac_assoc_id;
+ test_check_buf_notification(big_buffer, error, msg_flags,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+
+ tst_resm(TPASS, "sctp_recvmsg SCTP_COMM_UP notification");
+
+ /* Get the first message which was sent. */
+ buflen = REALLY_BIG;
+ msgname_len = sizeof(msgname);
+ error = test_sctp_recvmsg(sk2, big_buffer, buflen,
+ (struct sockaddr *)&msgname, &msgname_len,
+ &sinfo, &msg_flags);
+ test_check_buf_data(big_buffer, error, msg_flags, &sinfo,
+ strlen(message) + 1, MSG_EOR, stream, ppid);
+
+ tst_resm(TPASS, "sctp_recvmsg data");
+
+ /* Figure out how big to make our fillmsg */
+ len = sizeof(struct sctp_status);
+ memset(&gstatus,0,sizeof(struct sctp_status));
+ gstatus.sstat_assoc_id = associd1;
+ error = getsockopt(sk1, IPPROTO_SCTP, SCTP_STATUS, &gstatus, &len);
+
+ if (error)
+ tst_brkm(TBROK, tst_exit, "can't get rwnd size: %s",
+ strerror(errno));
+ tst_resm(TINFO, "creating a fillmsg of size %d",
+ gstatus.sstat_rwnd+RWND_SLOP);
+ fillmsg = malloc(gstatus.sstat_rwnd+RWND_SLOP);
+
+ /* Send a fillmsg */
+ memset(fillmsg, 'X', gstatus.sstat_rwnd+RWND_SLOP);
+ fillmsg[gstatus.sstat_rwnd+RWND_SLOP-1] = '\0';
+ ppid++;
+ stream++;
+ test_sctp_sendmsg(sk1, fillmsg, gstatus.sstat_rwnd+RWND_SLOP,
+ (struct sockaddr *)&loop2, sizeof(loop2),
+ ppid, 0, stream, 0, 0);
+
+ /* Now send a message that will timeout. */
+ test_sctp_sendmsg(sk1, ttlmsg, strlen(ttlmsg) + 1,
+ (struct sockaddr *)&loop2, sizeof(loop2),
+ ppid, 0, stream, 2000, 0);
+
+ tst_resm(TPASS, "sctp_sendmsg with ttl");
+
+ /* Next send a message that won't time out. */
+ test_sctp_sendmsg(sk1, nottlmsg, strlen(nottlmsg) + 1,
+ (struct sockaddr *)&loop2, sizeof(loop2),
+ ppid, 0, stream, 0, 0);
+
+ tst_resm(TPASS, "sctp_sendmsg with zero ttl");
+
+ /* And finally a fragmented message that will time out. */
+ memset(ttlfrag, '0', sizeof(ttlfrag));
+ ttlfrag[sizeof(ttlfrag)-1] = '\0';
+ test_sctp_sendmsg(sk1, ttlfrag, sizeof(ttlfrag),
+ (struct sockaddr *)&loop2, sizeof(loop2),
+ ppid, 0, stream, 2000, 0);
+
+ tst_resm(TPASS, "sctp_sendmsg fragmented msg with ttl");
+
+ /* Sleep waiting for the message to time out. */
+ tst_resm(TINFO, "** SLEEPING for 3 seconds **");
+ sleep(3);
+
+ /* Get the fillmsg. */
+ do {
+ buflen = REALLY_BIG;
+ msgname_len = sizeof(msgname);
+ test_sctp_recvmsg(sk2, big_buffer, buflen,
+ (struct sockaddr *)&msgname, &msgname_len,
+ &sinfo, &msg_flags);
+ } while (!(msg_flags & MSG_EOR));
+
+ /* Get the message that did NOT time out. */
+ buflen = REALLY_BIG;
+ msgname_len = sizeof(msgname);
+ error = test_sctp_recvmsg(sk2, big_buffer, buflen,
+ (struct sockaddr *)&msgname, &msgname_len,
+ &sinfo, &msg_flags);
+ test_check_buf_data(big_buffer, error, msg_flags, &sinfo,
+ strlen(nottlmsg) + 1, MSG_EOR, stream, ppid);
+ if (0 != strncmp(big_buffer, nottlmsg, strlen(nottlmsg)))
+ tst_brkm(TBROK, tst_exit, "sctp_recvmsg: Wrong Message !!!");
+
+ tst_resm(TPASS, "sctp_recvmsg msg with zero ttl");
+
+ /* Get the SEND_FAILED notification for the message that DID
+ * time out.
+ */
+ buflen = REALLY_BIG;
+ msgname_len = sizeof(msgname);
+ error = test_sctp_recvmsg(sk1, big_buffer, buflen,
+ (struct sockaddr *)&msgname, &msgname_len,
+ &sinfo, &msg_flags);
+ test_check_buf_notification(big_buffer, error, msg_flags,
+ sizeof(struct sctp_send_failed) +
+ strlen(ttlmsg) + 1,
+ SCTP_SEND_FAILED, 0);
+ ssf = (struct sctp_send_failed *)big_buffer;
+ if (0 != strncmp(ttlmsg, (char *)ssf->ssf_data, strlen(ttlmsg) + 1))
+ tst_brkm(TBROK, tst_exit, "SEND_FAILED data mismatch");
+
+ tst_resm(TPASS, "sctp_recvmsg SEND_FAILED for message with ttl");
+
+ offset = 0;
+
+ /* Get the SEND_FAILED notifications for the fragmented message that
+ * timed out.
+ */
+ do {
+ buflen = REALLY_BIG;
+ msgname_len = sizeof(msgname);
+ error = test_sctp_recvmsg(sk1, big_buffer, buflen,
+ (struct sockaddr *)&msgname, &msgname_len,
+ &sinfo, &msg_flags);
+ test_check_buf_notification(big_buffer, error, msg_flags,
+ sizeof(struct sctp_send_failed) +
+ SMALL_MAXSEG,
+ SCTP_SEND_FAILED, 0);
+ ssf = (struct sctp_send_failed *)big_buffer;
+ if (0 != strncmp(&ttlfrag[offset], (char *)ssf->ssf_data,
+ SMALL_MAXSEG))
+ tst_brkm(TBROK, tst_exit, "SEND_FAILED data mismatch");
+ offset += SMALL_MAXSEG;
+ } while (!(ssf->ssf_info.sinfo_flags & 0x01)); /* LAST FRAG */
+
+ tst_resm(TPASS, "sctp_recvmsg SEND_FAILED for fragmented message with "
+ "ttl");
+
+ snd_sinfo.sinfo_ppid = rand();
+ snd_sinfo.sinfo_flags = 0;
+ snd_sinfo.sinfo_stream = 2;
+ snd_sinfo.sinfo_timetolive = 0;
+ snd_sinfo.sinfo_assoc_id = associd1;
+ test_sctp_send(sk1, message, strlen(message) + 1, &snd_sinfo,
+ MSG_NOSIGNAL);
+
+ buflen = REALLY_BIG;
+ msgname_len = sizeof(msgname);
+ error = test_sctp_recvmsg(sk2, big_buffer, buflen,
+ (struct sockaddr *)&msgname, &msgname_len,
+ &sinfo, &msg_flags);
+ test_check_buf_data(big_buffer, error, msg_flags, &sinfo,
+ strlen(message) + 1, MSG_EOR, snd_sinfo.sinfo_stream,
+ snd_sinfo.sinfo_ppid);
+
+ tst_resm(TPASS, "sctp_send");
+
+ /* Shut down the link. */
+ close(sk1);
+
+ /* Get the shutdown complete notification. */
+ buflen = REALLY_BIG;
+ msgname_len = sizeof(msgname);
+ error = test_sctp_recvmsg(sk2, big_buffer, buflen,
+ (struct sockaddr *)&msgname, &msgname_len,
+ &sinfo, &msg_flags);
+ test_check_buf_notification(big_buffer, error, msg_flags,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
+
+ close(sk2);
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2004
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * La Monte H.P. Yarroll <piggy@acm.org>
+ * Karl Knutson <karl@athena.chicago.il.us>
+ * Hui Huang <hui.huang@nokia.com>
+ * Jon Grimm <jgrimm@us.ibm.com>
+ * Sridhar Samudrala <samudrala@us.ibm.com>
+ */
+
+/* This is a functional test to verify the various SCTP level socket
+ * options that can be used to get information about existing SCTP
+ * associations and to configure certain parameters.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <sys/errno.h>
+#include <netinet/in.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 29;
+int TST_CNT = 0;
+
+int
+main(void)
+{
+ int udp_svr_sk, udp_clt_sk, tcp_svr_sk, tcp_clt_sk;
+ int accept_sk, peeloff_sk;
+ sockaddr_storage_t udp_svr_loop, udp_clt_loop;
+ sockaddr_storage_t tcp_svr_loop, tcp_clt_loop;
+ struct iovec iov;
+ struct msghdr inmessage;
+ struct msghdr outmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+ struct iovec out_iov;
+ char *message = "hello, world!\n";
+ int error;
+ int pf_class, af_family;
+ uint32_t ppid;
+ uint32_t stream;
+ sctp_assoc_t udp_svr_associd, udp_clt_associd;
+ struct sctp_assoc_change *sac;
+ char *big_buffer;
+ struct sctp_event_subscribe subscribe;
+ struct sctp_initmsg initmsg;
+ struct sctp_paddrparams paddrparams;
+ struct sctp_sndrcvinfo set_udp_sk_dflt_param, get_udp_sk_dflt_param;
+ struct sctp_sndrcvinfo set_tcp_sk_dflt_param, get_tcp_sk_dflt_param;
+ struct sctp_sndrcvinfo set_udp_assoc_dflt_param;
+ struct sctp_sndrcvinfo get_udp_assoc_dflt_param;
+ struct sctp_sndrcvinfo set_tcp_assoc_dflt_param;
+ struct sctp_sndrcvinfo get_tcp_assoc_dflt_param;
+ struct sctp_sndrcvinfo get_peeloff_assoc_dflt_param;
+ struct sctp_sndrcvinfo get_accept_assoc_dflt_param;
+ struct sctp_paddrinfo pinfo;
+ int dflt_pathmaxrxt;
+ socklen_t optlen, addrlen;
+ struct sctp_status status;
+ struct sctp_assoc_value value;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Set some basic values which depend on the address family. */
+#if TEST_V6
+ pf_class = PF_INET6;
+ af_family = AF_INET6;
+
+ udp_svr_loop.v6.sin6_family = AF_INET6;
+ udp_svr_loop.v6.sin6_addr = in6addr_loopback;
+ udp_svr_loop.v6.sin6_port = htons(SCTP_TESTPORT_1);
+
+ udp_clt_loop.v6.sin6_family = AF_INET6;
+ udp_clt_loop.v6.sin6_addr = in6addr_loopback;
+ udp_clt_loop.v6.sin6_port = htons(SCTP_TESTPORT_1+1);
+
+ tcp_svr_loop.v6.sin6_family = AF_INET6;
+ tcp_svr_loop.v6.sin6_addr = in6addr_loopback;
+ tcp_svr_loop.v6.sin6_port = htons(SCTP_TESTPORT_1+2);
+
+ tcp_clt_loop.v6.sin6_family = AF_INET6;
+ tcp_clt_loop.v6.sin6_addr = in6addr_loopback;
+ tcp_clt_loop.v6.sin6_port = htons(SCTP_TESTPORT_1+3);
+#else
+ pf_class = PF_INET;
+ af_family = AF_INET;
+
+ udp_svr_loop.v4.sin_family = AF_INET;
+ udp_svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ udp_svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
+
+ udp_clt_loop.v4.sin_family = AF_INET;
+ udp_clt_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ udp_clt_loop.v4.sin_port = htons(SCTP_TESTPORT_1+1);
+
+ tcp_svr_loop.v4.sin_family = AF_INET;
+ tcp_svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ tcp_svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1+2);
+
+ tcp_clt_loop.v4.sin_family = AF_INET;
+ tcp_clt_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ tcp_clt_loop.v4.sin_port = htons(SCTP_TESTPORT_2+3);
+#endif /* TEST_V6 */
+
+ /* Create the two endpoints which will talk to each other. */
+ udp_svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ udp_clt_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(udp_svr_sk);
+ test_enable_assoc_change(udp_clt_sk);
+
+ /* Bind these sockets to the test ports. */
+ test_bind(udp_svr_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
+ test_bind(udp_clt_sk, &udp_clt_loop.sa, sizeof(udp_clt_loop));
+
+ /* Mark udp_svr_sk as being able to accept new associations. */
+ test_listen(udp_svr_sk, 1);
+
+ /* TEST #1: SCTP_STATUS socket option. */
+ /* Make sure that SCTP_STATUS getsockopt on a socket with no
+ * association fails.
+ */
+ optlen = sizeof(struct sctp_status);
+ memset(&status, 0, optlen);
+ error = getsockopt(udp_svr_sk, SOL_SCTP, SCTP_STATUS, &status,
+ &optlen);
+ if ((error != -1) && (errno != EINVAL))
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_STATUS) on a "
+ "socket with no assoc error:%d errno:%d",
+ error, errno);
+
+ tst_resm(TPASS, "getsockopt(SCTP_STATUS) on a socket with no assoc");
+
+ /* Send the first message. This will create the association. */
+ outmessage.msg_name = &udp_svr_loop;
+ outmessage.msg_namelen = sizeof(udp_svr_loop);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid = rand(); /* Choose an arbitrary value. */
+ stream = 1;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = strlen(message) + 1;
+ test_sendmsg(udp_clt_sk, &outmessage, 0, strlen(message)+1);
+
+ /* Initialize inmessage for all receives. */
+ big_buffer = test_malloc(REALLY_BIG);
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+
+ /* Get the communication up message on udp_svr_sk. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ udp_svr_associd = sac->sac_assoc_id;
+
+ /* Get the communication up message on udp_clt_sk. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(udp_clt_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ udp_clt_associd = sac->sac_assoc_id;
+
+ /* Get the first message which was sent. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+
+ /* Get SCTP_STATUS for udp_clt_sk's given association. */
+ optlen = sizeof(struct sctp_status);
+ memset(&status, 0, optlen);
+ status.sstat_assoc_id = udp_clt_associd;
+ test_getsockopt(udp_clt_sk, SCTP_STATUS, &status, &optlen);
+
+ tst_resm(TPASS, "getsockopt(SCTP_STATUS)");
+
+ /* Make sure that SCTP_STATUS getsockopt with invalid associd fails. */
+ optlen = sizeof(struct sctp_status);
+ memset(&status, 0, optlen);
+ status.sstat_assoc_id = udp_svr_associd;
+ error = getsockopt(udp_clt_sk, SOL_SCTP, SCTP_STATUS, &status,
+ &optlen);
+ if ((error != -1) && (errno != EINVAL))
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_STATUS) with "
+ "associd error: %d errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt(SCTP_STATUS) with invalid associd");
+
+ /* Make sure that SCTP_STATUS getsockopt with NULL associd fails. */
+ optlen = sizeof(struct sctp_status);
+ memset(&status, 0, optlen);
+ status.sstat_assoc_id = 0;
+ error = getsockopt(udp_svr_sk, SOL_SCTP, SCTP_STATUS, &status,
+ &optlen);
+ if ((error != -1) && (errno != EINVAL))
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_STATUS) with "
+ "NULL associd error: %d errno:%d", error, errno);
+
+ tst_resm(TPASS, "getsockopt(SCTP_STATUS) with NULL associd");
+
+ /* Shut down the link. */
+ close(udp_clt_sk);
+
+ /* Get the shutdown complete notification. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
+
+ error = 0;
+ close(udp_svr_sk);
+
+ /* TEST #2: SCTP_EVENTS socket option and SCTP_SHUTDOWN_EVENT
+ * notification.
+ */
+ /* Create the two endpoints which will talk to each other. */
+ udp_svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ udp_clt_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(udp_svr_sk);
+ test_enable_assoc_change(udp_clt_sk);
+
+ /* Bind these sockets to the test ports. */
+ test_bind(udp_svr_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
+ test_bind(udp_clt_sk, &udp_clt_loop.sa, sizeof(udp_clt_loop));
+
+ /* Mark udp_svr_sk as being able to accept new associations. */
+ test_listen(udp_svr_sk, 1);
+
+ /* Get the default events that are enabled on udp_svr_sk. */
+ optlen = sizeof(subscribe);
+ test_getsockopt(udp_svr_sk, SCTP_EVENTS, &subscribe, &optlen);
+
+ /* Get the default events that are enabled on udp_clt_sk. */
+ optlen = sizeof(subscribe);
+ test_getsockopt(udp_clt_sk, SCTP_EVENTS, &subscribe, &optlen);
+
+ tst_resm(TPASS, "getsockopt(SCTP_EVENTS)");
+
+ /* Disable all the events on udp_svr_sk and udp_clt_sk. */
+ memset(&subscribe, 0, sizeof(struct sctp_event_subscribe));
+ test_setsockopt(udp_svr_sk, SCTP_EVENTS, &subscribe,
+ sizeof(subscribe));
+ test_setsockopt(udp_clt_sk, SCTP_EVENTS, &subscribe,
+ sizeof(subscribe));
+
+ tst_resm(TPASS, "setsockopt(SCTP_EVENTS)");
+
+ /* Get the updated list of enabled events on udp_svr_sk and
+ * udp_clt_sk.
+ */
+ optlen = sizeof(subscribe);
+ test_getsockopt(udp_svr_sk, SCTP_EVENTS, &subscribe, &optlen);
+ optlen = sizeof(subscribe);
+ test_getsockopt(udp_clt_sk, SCTP_EVENTS, &subscribe, &optlen);
+
+ /* Send a message. This will create the association. */
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = strlen(message) + 1;
+ test_sendmsg(udp_clt_sk, &outmessage, 0, strlen(message)+1);
+
+ /* Get the message which was sent. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, 0, 0);
+ /* Verify that we received the msg without any ancillary data. */
+ if (inmessage.msg_controllen != 0)
+ tst_brkm(TBROK, tst_exit, "Receive unexpected ancillary"
+ "data");
+
+ /* Enable SCTP_SHUTDOWN_EVENTs on udp_svr_sk. */
+ memset(&subscribe, 0, sizeof(struct sctp_event_subscribe));
+ subscribe.sctp_shutdown_event = 1;
+ test_setsockopt(udp_svr_sk, SCTP_EVENTS, &subscribe,
+ sizeof(subscribe));
+
+ error = 0;
+ /* Shut down the link. */
+ close(udp_clt_sk);
+
+ /* Get the SHUTDOWN_EVENT notification on udp_svr_sk. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_shutdown_event),
+ SCTP_SHUTDOWN_EVENT, 0);
+
+ tst_resm(TPASS, "setsockopt(SCTP_EVENTS) - SCTP_SHUTDOWN_EVENT");
+
+ close(udp_svr_sk);
+
+ /* TEST #3: whether sctp_opt_info equals */
+ /* Create the two endpoints which will talk to each other. */
+ udp_svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ udp_clt_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(udp_svr_sk);
+ test_enable_assoc_change(udp_clt_sk);
+
+ /* Bind these sockets to the test ports. */
+ test_bind(udp_svr_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
+ test_bind(udp_clt_sk, &udp_clt_loop.sa, sizeof(udp_clt_loop));
+
+ /* Mark udp_svr_sk as being able to accept new associations. */
+ test_listen(udp_svr_sk, 1);
+
+ /* Send the first message. This will create the association. */
+ outmessage.msg_name = &udp_svr_loop;
+ outmessage.msg_namelen = sizeof(udp_svr_loop);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid = rand(); /* Choose an arbitrary value. */
+ stream = 1;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = strlen(message) + 1;
+ test_sendmsg(udp_clt_sk, &outmessage, 0, strlen(message)+1);
+
+ /* Get the communication up message on udp_clt_sk. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(udp_clt_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ udp_clt_associd = sac->sac_assoc_id;
+
+ /* Compare the SCTP_STATUS result between sctp_opt_info and
+ * getsockopt
+ */
+ {
+ struct sctp_status status1, status2;
+
+ memset(&status1, 0, sizeof(status1));
+ memset(&status2, 0, sizeof(status2));
+ optlen = sizeof(struct sctp_status);
+
+ /* Test SCTP_STATUS for udp_clt_sk's given association. */
+ error = sctp_opt_info(udp_clt_sk,udp_clt_associd,SCTP_STATUS,
+ (char *)&status1, &optlen);
+ if (error != 0)
+ tst_brkm(TBROK, tst_exit,
+ "sctp_opt_info(SCTP_STATUS): %s",
+ strerror(errno));
+
+ status2.sstat_assoc_id = udp_clt_associd;
+ error = getsockopt(udp_clt_sk, IPPROTO_SCTP, SCTP_STATUS,
+ (char *)&status2, &optlen);
+ if (error != 0)
+ tst_brkm(TBROK, tst_exit,
+ "getsockopt(SCTP_STATUS): %s",
+ strerror(errno));
+ if (strncmp((char *)&status1, (char *)&status2, optlen))
+ tst_brkm(TBROK, tst_exit, "sctp_opt_info(SCTP_STAUS)"
+ "doesn't match getsockopt(SCTP_STATUS)");
+
+ tst_resm(TPASS, "sctp_opt_info(SCTP_STATUS)");
+ }
+ error = 0;
+ /* Shut down the link. */
+ close(udp_svr_sk);
+ close(udp_clt_sk);
+
+ /* TEST #4: SCTP_INITMSG socket option. */
+ /* Create a socket. */
+ udp_svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ /* Bind this socket to the test port. */
+ test_bind(udp_svr_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(udp_svr_sk);
+
+ /* Get the default parameters for association initialization. */
+ optlen = sizeof(initmsg);
+ test_getsockopt(udp_svr_sk, SCTP_INITMSG, &initmsg, &optlen);
+
+ tst_resm(TPASS, "getsockopt(SCTP_INITMSG)");
+
+ /* Change the parameters for association initialization. */
+ initmsg.sinit_num_ostreams = 5;
+ initmsg.sinit_max_instreams = 5;
+ initmsg.sinit_max_attempts = 3;
+ initmsg.sinit_max_init_timeo = 30;
+ test_setsockopt(udp_svr_sk, SCTP_INITMSG, &initmsg, sizeof(initmsg));
+
+ tst_resm(TPASS, "setsockopt(SCTP_INITMSG)");
+
+ /* Get the updated parameters for association initialization. */
+ optlen = sizeof(initmsg);
+ test_getsockopt(udp_svr_sk, SCTP_INITMSG, &initmsg, &optlen);
+
+ close(udp_svr_sk);
+
+ /* TEST #5: SCTP_PEER_ADDR_PARAMS socket option. */
+ /* Create a socket. */
+ udp_svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ /* Get the default parameters for this endpoint */
+ optlen = sizeof(paddrparams);
+ memset(&paddrparams, 0, sizeof(paddrparams));
+ paddrparams.spp_address.ss_family = AF_INET;
+ test_getsockopt(udp_svr_sk, SCTP_PEER_ADDR_PARAMS, &paddrparams,
+ &optlen);
+
+ dflt_pathmaxrxt = paddrparams.spp_pathmaxrxt;
+ tst_resm(TPASS, "getsockopt(SCTP_PEER_ADDR_PARAMS)");
+
+ /* Change the default parameters for this endpoint (socket) */
+ paddrparams.spp_hbinterval = 1000;
+ paddrparams.spp_pathmaxrxt = dflt_pathmaxrxt+1;
+ paddrparams.spp_sackdelay = 100;
+ test_setsockopt(udp_svr_sk, SCTP_PEER_ADDR_PARAMS, &paddrparams,
+ sizeof(paddrparams));
+
+ paddrparams.spp_pathmaxrxt = 0;
+
+ /* Get the updated default parameters for this endpoint. */
+ optlen = sizeof(paddrparams);
+ test_getsockopt(udp_svr_sk, SCTP_PEER_ADDR_PARAMS, &paddrparams,
+ &optlen);
+ if (paddrparams.spp_pathmaxrxt != dflt_pathmaxrxt+1)
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "mismatch");
+
+ value.assoc_id = 0;
+ optlen = sizeof(value);
+ test_getsockopt(udp_svr_sk, SCTP_DELAYED_ACK_TIME, &value,
+ &optlen);
+ if (value.assoc_value != 100)
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DELAYED_ACK_TIME) "
+ "mismatch");
+
+ value.assoc_id = 0;
+ value.assoc_value = 250;
+ test_setsockopt(udp_svr_sk, SCTP_DELAYED_ACK_TIME, &value,
+ sizeof(value));
+ optlen = sizeof(paddrparams);
+ test_getsockopt(udp_svr_sk, SCTP_PEER_ADDR_PARAMS, &paddrparams,
+ &optlen);
+ if (paddrparams.spp_sackdelay != 250)
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_DELAYED_ACK_TIME) "
+ "mismatch");
+
+ tst_resm(TPASS, "setsockopt(SCTP_DELAYED_ACK_TIME)");
+
+
+ /* Ensure that prior defaults are preserved for a new endpoint */
+ udp_clt_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ optlen = sizeof(paddrparams);
+ memset(&paddrparams, 0, sizeof(paddrparams));
+ paddrparams.spp_address.ss_family = AF_INET;
+ test_getsockopt(udp_clt_sk, SCTP_PEER_ADDR_PARAMS, &paddrparams,
+ &optlen);
+ if (paddrparams.spp_pathmaxrxt != dflt_pathmaxrxt)
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "mismatch");
+
+
+ tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS)");
+
+ /* Invalid assoc id */
+ paddrparams.spp_assoc_id = 1234;
+ error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
+ &paddrparams,
+ sizeof(paddrparams));
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "invalid associd error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "- one-to-many style invalid associd");
+
+ test_bind(udp_svr_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
+ test_bind(udp_clt_sk, &udp_clt_loop.sa, sizeof(udp_clt_loop));
+
+ test_listen(udp_svr_sk, 5);
+
+ test_enable_assoc_change(udp_svr_sk);
+ test_enable_assoc_change(udp_clt_sk);
+
+ /* Do a connect on a UDP-style socket and establish an association. */
+ test_connect(udp_clt_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
+
+ /* Receive the COMM_UP notifications and get the associd's */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+
+ paddrparams.spp_assoc_id = sac->sac_assoc_id;
+ memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
+ paddrparams.spp_hbinterval = 1000;
+ paddrparams.spp_pathmaxrxt = dflt_pathmaxrxt+1;
+ test_setsockopt(udp_svr_sk, SCTP_PEER_ADDR_PARAMS, &paddrparams,
+ sizeof(paddrparams));
+ tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) - "
+ "one-to-many style valid associd valid address");
+
+ paddrparams.spp_assoc_id = sac->sac_assoc_id;
+ memcpy(&paddrparams.spp_address, &udp_svr_loop, sizeof(udp_svr_loop));
+ paddrparams.spp_hbinterval = 1000;
+ paddrparams.spp_pathmaxrxt = dflt_pathmaxrxt+1;
+
+ error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
+ &paddrparams,
+ sizeof(paddrparams));
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "invalid transport error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "- one-to-many style invalid transport");
+
+ paddrparams.spp_assoc_id = sac->sac_assoc_id;
+ memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
+ paddrparams.spp_hbinterval = 1000;
+ paddrparams.spp_pathmaxrxt = dflt_pathmaxrxt+1;
+
+ error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
+ &paddrparams,
+ sizeof(paddrparams) - 1);
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "invalid parameter length error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "- one-to-many style invalid parameter length");
+
+ error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_DELAYED_ACK_TIME,
+ &value,
+ sizeof(value) - 1);
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_DELAYED_ACK_TIME) "
+ "invalid parameter length error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_DELAYED_ACK_TIME) "
+ "- one-to-many style invalid parameter length");
+
+ memset(&paddrparams, 0, sizeof(paddrparams));
+ paddrparams.spp_assoc_id = sac->sac_assoc_id;
+ memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
+ paddrparams.spp_sackdelay = 501;
+
+ error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
+ &paddrparams,
+ sizeof(paddrparams));
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "invalid sack delay error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "- one-to-many style invalid sack delay");
+
+ value.assoc_id = sac->sac_assoc_id;
+ value.assoc_value = 501;
+
+ error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_DELAYED_ACK_TIME,
+ &value,
+ sizeof(value));
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_DELAYED_ACK_TIME) "
+ "invalid sack delay error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_DELAYED_ACK_TIME) "
+ "- one-to-many style invalid sack delay");
+
+ memset(&paddrparams, 0, sizeof(paddrparams));
+ paddrparams.spp_assoc_id = sac->sac_assoc_id;
+ memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
+ paddrparams.spp_pathmtu = 511;
+
+ error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
+ &paddrparams,
+ sizeof(paddrparams));
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "invalid path MTU error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "- one-to-many style invalid path MTU");
+
+ memset(&paddrparams, 0, sizeof(paddrparams));
+ paddrparams.spp_assoc_id = sac->sac_assoc_id;
+ memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
+ paddrparams.spp_flags = SPP_HB_ENABLE | SPP_HB_DISABLE;
+
+ error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
+ &paddrparams,
+ sizeof(paddrparams));
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "invalid hb enable flags error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "- one-to-many style invalid hb enable flags");
+
+ memset(&paddrparams, 0, sizeof(paddrparams));
+ paddrparams.spp_assoc_id = sac->sac_assoc_id;
+ memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
+ paddrparams.spp_flags = SPP_PMTUD_ENABLE | SPP_PMTUD_DISABLE;
+
+ error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
+ &paddrparams,
+ sizeof(paddrparams));
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "invalid PMTU discovery enable flags error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "- one-to-many style invalid PMTU discovery enable flags");
+
+ memset(&paddrparams, 0, sizeof(paddrparams));
+ paddrparams.spp_assoc_id = sac->sac_assoc_id;
+ memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
+ paddrparams.spp_flags = SPP_SACKDELAY_ENABLE | SPP_SACKDELAY_DISABLE;
+
+ error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
+ &paddrparams,
+ sizeof(paddrparams));
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "invalid sack delay enable flags error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "- one-to-many style invalid sack delay enable flags");
+
+ memset(&paddrparams, 0, sizeof(paddrparams));
+ paddrparams.spp_flags = SPP_HB_DEMAND;
+
+ error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
+ &paddrparams,
+ sizeof(paddrparams));
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "invalid hb demand error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
+ "- one-to-many style invalid hb demand");
+
+ close(udp_svr_sk);
+ close(udp_clt_sk);
+
+
+ /* TEST #6: SCTP_DEFAULT_SEND_PARAM socket option. */
+ /* Create and bind 2 UDP-style sockets(udp_svr_sk, udp_clt_sk) and
+ * 2 TCP-style sockets. (tcp_svr_sk, tcp_clt_sk)
+ */
+ udp_svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ udp_clt_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ tcp_svr_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ tcp_clt_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(udp_svr_sk);
+ test_enable_assoc_change(udp_clt_sk);
+ test_enable_assoc_change(tcp_svr_sk);
+ test_enable_assoc_change(tcp_clt_sk);
+
+ test_bind(udp_svr_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
+ test_bind(udp_clt_sk, &udp_clt_loop.sa, sizeof(udp_clt_loop));
+ test_bind(tcp_svr_sk, &tcp_svr_loop.sa, sizeof(tcp_svr_loop));
+ test_bind(tcp_clt_sk, &tcp_clt_loop.sa, sizeof(tcp_clt_loop));
+
+ /* Mark udp_svr_sk and tcp_svr_sk as being able to accept new
+ * associations.
+ */
+ test_listen(udp_svr_sk, 5);
+ test_listen(tcp_svr_sk, 5);
+
+ /* Set default send parameters on the unconnected UDP-style sockets. */
+ memset(&set_udp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ set_udp_sk_dflt_param.sinfo_ppid = 1000;
+ test_setsockopt(udp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
+ &set_udp_sk_dflt_param, sizeof(set_udp_sk_dflt_param));
+ memset(&set_udp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ set_udp_sk_dflt_param.sinfo_ppid = 1000;
+ test_setsockopt(udp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
+ &set_udp_sk_dflt_param, sizeof(set_udp_sk_dflt_param));
+
+ tst_resm(TPASS, "setsockopt(SCTP_DEFAULT_SEND_PARAM) - "
+ "one-to-many style socket");
+
+ /* Get default send parameters on the unconnected UDP-style socket. */
+ memset(&get_udp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ optlen = sizeof(get_udp_sk_dflt_param);
+ test_getsockopt(udp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
+ &get_udp_sk_dflt_param, &optlen);
+
+ /* Verify that the get param matches set param. */
+ if (set_udp_sk_dflt_param.sinfo_ppid !=
+ get_udp_sk_dflt_param.sinfo_ppid)
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "mismatch.");
+
+ /* Get default send parameters on the unconnected UDP-style socket. */
+ memset(&get_udp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ optlen = sizeof(get_udp_sk_dflt_param);
+ test_getsockopt(udp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
+ &get_udp_sk_dflt_param, &optlen);
+
+ /* Verify that the get param matches set param. */
+ if (set_udp_sk_dflt_param.sinfo_ppid !=
+ get_udp_sk_dflt_param.sinfo_ppid)
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "mismatch.");
+
+ tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
+ "one-to-many style socket");
+
+ /* Verify that trying to set send params with an invalid assoc id
+ * on an UDP-style socket fails.
+ */
+ memset(&set_udp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ set_udp_sk_dflt_param.sinfo_ppid = 1000;
+ /* Invalid assoc id */
+ set_udp_sk_dflt_param.sinfo_assoc_id = 1234;
+ error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_DEFAULT_SEND_PARAM,
+ &set_udp_sk_dflt_param,
+ sizeof(set_udp_sk_dflt_param));
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "invalid associd error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "- one-to-many style invalid associd");
+
+ /* Do a connect on a UDP-style socket and establish an association. */
+ test_connect(udp_clt_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
+
+ /* Receive the COMM_UP notifications and get the associd's */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ udp_svr_associd = sac->sac_assoc_id;
+
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(udp_clt_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ udp_clt_associd = sac->sac_assoc_id;
+
+ /* Verify that trying to set send params with an assoc id not
+ * belonging to the socket on an UDP-style socket fails.
+ */
+ memset(&set_udp_assoc_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ set_udp_assoc_dflt_param.sinfo_ppid = 3000;
+ set_udp_assoc_dflt_param.sinfo_assoc_id = udp_clt_associd;
+ error = setsockopt(udp_svr_sk, SOL_SCTP, SCTP_DEFAULT_SEND_PARAM,
+ &set_udp_assoc_dflt_param,
+ sizeof(set_udp_assoc_dflt_param));
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "associd belonging to another socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "setsockopt(SCTP_DEFAULT_SEND_PARAM) - "
+ "one-to-many style associd belonging to another socket");
+
+ /* Set default send parameters of an association on the listening
+ * UDP-style socket with a valid associd.
+ */
+ memset(&set_udp_assoc_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ set_udp_assoc_dflt_param.sinfo_ppid = 3000;
+ set_udp_assoc_dflt_param.sinfo_assoc_id = udp_svr_associd;
+ test_setsockopt(udp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
+ &set_udp_assoc_dflt_param,
+ sizeof(set_udp_assoc_dflt_param));
+
+ tst_resm(TPASS, "setsockopt(SCTP_DEFAULT_SEND_PARAM) - "
+ "one-to-many style valid associd");
+
+ /* Get default send parameters of an association on the listening
+ * UDP-style socket with a valid associd.
+ */
+ memset(&get_udp_assoc_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ get_udp_assoc_dflt_param.sinfo_assoc_id = udp_svr_associd ;
+ optlen = sizeof(get_udp_assoc_dflt_param);
+ test_getsockopt(udp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
+ &get_udp_assoc_dflt_param, &optlen);
+
+ /* Verify that the get param matches the set param. */
+ if (get_udp_assoc_dflt_param.sinfo_ppid !=
+ set_udp_assoc_dflt_param.sinfo_ppid)
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "mismatch.");
+
+ tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
+ "one-to-many style valid associd");
+
+ /* Get default send parameters of an association on the connected
+ * UDP-style socket with zero associd. This should return the
+ * socket wide default parameters.
+ */
+ memset(&get_udp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ get_udp_sk_dflt_param.sinfo_assoc_id = 0 ;
+ optlen = sizeof(get_udp_sk_dflt_param);
+ test_getsockopt(udp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
+ &get_udp_sk_dflt_param, &optlen);
+
+ /* Verify that the get param matches the socket-wide set param. */
+ if (get_udp_sk_dflt_param.sinfo_ppid !=
+ set_udp_sk_dflt_param.sinfo_ppid)
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "mismatch.");
+
+ tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
+ "one-to-many style zero associd");
+
+ peeloff_sk = test_sctp_peeloff(udp_svr_sk, udp_svr_associd);
+
+ /* Get default send parameters of an association on the peeled off
+ * UDP-style socket. This should return the association's default
+ * parameters.
+ */
+ memset(&get_peeloff_assoc_dflt_param, 0,
+ sizeof(struct sctp_sndrcvinfo));
+ get_peeloff_assoc_dflt_param.sinfo_assoc_id = 0 ;
+ optlen = sizeof(get_peeloff_assoc_dflt_param);
+ test_getsockopt(peeloff_sk, SCTP_DEFAULT_SEND_PARAM,
+ &get_peeloff_assoc_dflt_param, &optlen);
+
+ /* Verify that the get param matches the association's set param. */
+ if (get_peeloff_assoc_dflt_param.sinfo_ppid !=
+ set_udp_assoc_dflt_param.sinfo_ppid)
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "mismatch.");
+
+ tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
+ "one-to-many style peeled off socket");
+
+ /* Set default send parameters on the unconnected TCP-style sockets. */
+ memset(&set_tcp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ set_tcp_sk_dflt_param.sinfo_ppid = 2000;
+ /* Invalid assoc id, ignored on a TCP-style socket. */
+ set_tcp_sk_dflt_param.sinfo_assoc_id = 1234;
+ test_setsockopt(tcp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
+ &set_tcp_sk_dflt_param,
+ sizeof(set_tcp_sk_dflt_param));
+
+ /* Set default send parameters on the unconnected TCP-style sockets. */
+ memset(&set_tcp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ set_tcp_sk_dflt_param.sinfo_ppid = 2000;
+ /* Invalid assoc id, ignored on a TCP-style socket. */
+ set_tcp_sk_dflt_param.sinfo_assoc_id = 1234;
+ test_setsockopt(tcp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
+ &set_tcp_sk_dflt_param,
+ sizeof(set_tcp_sk_dflt_param));
+
+ tst_resm(TPASS, "setsockopt(SCTP_DEFAULT_SEND_PARAM) - "
+ "one-to-one style socket");
+
+ /* Get default send parameters on the unconnected TCP-style socket. */
+ memset(&get_tcp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ optlen = sizeof(get_tcp_sk_dflt_param);
+ test_getsockopt(tcp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
+ &get_tcp_sk_dflt_param, &optlen);
+
+ /* Verify that the get param matches set param. */
+ if (set_tcp_sk_dflt_param.sinfo_ppid !=
+ get_tcp_sk_dflt_param.sinfo_ppid)
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "mismatch.");
+
+ /* Get default send parameters on the unconnected TCP-style socket. */
+ memset(&get_tcp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ optlen = sizeof(get_tcp_sk_dflt_param);
+ test_getsockopt(tcp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
+ &get_tcp_sk_dflt_param, &optlen);
+
+ /* Verify that the get param matches set param. */
+ if (set_tcp_sk_dflt_param.sinfo_ppid !=
+ get_tcp_sk_dflt_param.sinfo_ppid)
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "mismatch.");
+
+ tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
+ "one-to-one style socket");
+
+ /* Do a connect on a TCP-style socket and establish an association. */
+ test_connect(tcp_clt_sk, &tcp_svr_loop.sa, sizeof(tcp_svr_loop));
+
+ /* Set default send parameters of an association on the connected
+ * TCP-style socket.
+ */
+ memset(&set_tcp_assoc_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ set_tcp_assoc_dflt_param.sinfo_ppid = 4000;
+ set_tcp_assoc_dflt_param.sinfo_assoc_id = 0;
+ test_setsockopt(tcp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
+ &set_tcp_assoc_dflt_param,
+ sizeof(set_tcp_assoc_dflt_param));
+
+ tst_resm(TPASS, "setsockopt(SCTP_DEFAULT_SEND_PARAM) - "
+ "one-to-one style assoc");
+
+ /* Get default send parameters of an association on the connected
+ * TCP-style socket.
+ */
+ memset(&get_tcp_assoc_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ optlen = sizeof(get_tcp_assoc_dflt_param);
+ test_getsockopt(tcp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
+ &get_tcp_assoc_dflt_param, &optlen);
+
+ if (set_tcp_assoc_dflt_param.sinfo_ppid !=
+ get_tcp_assoc_dflt_param.sinfo_ppid)
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "mismatch.");
+
+ /* Get default send parameters on the connected TCP-style socket. */
+ memset(&get_tcp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ optlen = sizeof(get_tcp_sk_dflt_param);
+ test_getsockopt(tcp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
+ &get_tcp_sk_dflt_param, &optlen);
+
+ /* Verify that the get parameters returned matches the set param
+ * set for the association, not the socket-wide param.
+ */
+ if ((get_tcp_sk_dflt_param.sinfo_ppid ==
+ set_tcp_sk_dflt_param.sinfo_ppid) ||
+ (get_tcp_sk_dflt_param.sinfo_ppid !=
+ set_tcp_assoc_dflt_param.sinfo_ppid))
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "mismatch.");
+
+ /* Get default send parameters on the listening TCP-style socket. */
+ memset(&get_tcp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ optlen = sizeof(get_tcp_sk_dflt_param);
+ test_getsockopt(tcp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
+ &get_tcp_sk_dflt_param, &optlen);
+
+ /* Verify that the get parameters returned matches the socket-wide
+ * set param.
+ */
+ if (get_tcp_sk_dflt_param.sinfo_ppid !=
+ set_tcp_sk_dflt_param.sinfo_ppid)
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "mismatch.");
+
+ tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
+ "one-to-one style assoc");
+
+ accept_sk = test_accept(tcp_svr_sk, NULL, &addrlen);
+
+ /* Get default send parameters of an association on the accepted
+ * TCP-style socket.
+ */
+ memset(&get_accept_assoc_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
+ optlen = sizeof(get_accept_assoc_dflt_param);
+ test_getsockopt(accept_sk, SCTP_DEFAULT_SEND_PARAM,
+ &get_accept_assoc_dflt_param, &optlen);
+
+ error = 0;
+
+ /* Verify that the get parameters returned matches the socket-wide
+ * set param.
+ */
+ if (get_tcp_sk_dflt_param.sinfo_ppid !=
+ set_tcp_sk_dflt_param.sinfo_ppid)
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
+ "mismatch.");
+
+ tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
+ "one-to-one style accepted socket");
+
+ /* TEST #7: SCTP_GET_PEER_ADDR_INFO socket option. */
+ /* Try 0 associd and 0 addr */
+ memset(&pinfo, 0, sizeof(pinfo));
+ optlen = sizeof(pinfo);
+ error = getsockopt(udp_clt_sk, SOL_SCTP, SCTP_GET_PEER_ADDR_INFO,
+ &pinfo, &optlen);
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_GET_PEER_ADDR_INFO) "
+ "null associd, null addr error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "getsockopt(SCTP_GET_PEER_ADDR_INFO) - "
+ "null associd and null addr");
+
+ /* Try valid associd, but 0 addr */
+ memset(&pinfo, 0, sizeof(pinfo));
+ optlen = sizeof(pinfo);
+ pinfo.spinfo_assoc_id = udp_clt_associd;
+ error = getsockopt(udp_clt_sk, SOL_SCTP, SCTP_GET_PEER_ADDR_INFO,
+ &pinfo, &optlen);
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_GET_PEER_ADDR_INFO) "
+ "valid associd, null addr error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "getsockopt(SCTP_GET_PEER_ADDR_INFO) - "
+ "valid associd and null addr");
+
+ /* Try valid associd, invalid addr */
+ memset(&pinfo, 0, sizeof(pinfo));
+ optlen = sizeof(pinfo);
+ pinfo.spinfo_assoc_id = udp_clt_associd;
+ memcpy(&pinfo.spinfo_address, &udp_clt_loop, sizeof(udp_clt_loop));
+ error = getsockopt(udp_clt_sk, SOL_SCTP, SCTP_GET_PEER_ADDR_INFO,
+ &pinfo, &optlen);
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_GET_PEER_ADDR_INFO) "
+ "valid associd, invalid addr error:%d, errno:%d\n",
+ error, errno);
+
+ tst_resm(TPASS, "getsockopt(SCTP_GET_PEER_ADDR_INFO) - "
+ "valid associd and invalid addr");
+
+ /* Try valid associd, valid addr */
+ memset(&pinfo, 0, sizeof(pinfo));
+ optlen = sizeof(pinfo);
+ pinfo.spinfo_assoc_id = udp_clt_associd;
+ memcpy(&pinfo.spinfo_address, &udp_svr_loop, sizeof(udp_svr_loop));
+ test_getsockopt(udp_clt_sk, SCTP_GET_PEER_ADDR_INFO, &pinfo, &optlen);
+
+ tst_resm(TPASS, "getsockopt(SCTP_GET_PEER_ADDR_INFO) - "
+ "valid associd and valid addr");
+
+ /* Try valid addr, peeled off socket */
+ memset(&pinfo, 0, sizeof(pinfo));
+ optlen = sizeof(pinfo);
+ pinfo.spinfo_assoc_id = 0;
+ memcpy(&pinfo.spinfo_address, &udp_clt_loop, sizeof(udp_clt_loop));
+ test_getsockopt(peeloff_sk, SCTP_GET_PEER_ADDR_INFO, &pinfo, &optlen);
+
+ tst_resm(TPASS, "getsockopt(SCTP_GET_PEER_ADDR_INFO) - "
+ "valid associd and valid addr peeled off socket");
+
+ /* Try valid addr, TCP-style accept socket */
+ memset(&pinfo, 0, sizeof(pinfo));
+ optlen = sizeof(pinfo);
+ pinfo.spinfo_assoc_id = 0;
+ memcpy(&pinfo.spinfo_address, &tcp_clt_loop, sizeof(tcp_clt_loop));
+ error = test_getsockopt(accept_sk, SCTP_GET_PEER_ADDR_INFO, &pinfo,
+ &optlen);
+
+ tst_resm(TPASS, "getsockopt(SCTP_GET_PEER_ADDR_INFO) - "
+ "valid associd and valid addr accepted socket");
+
+ close(udp_svr_sk);
+ close(udp_clt_sk);
+ close(tcp_svr_sk);
+ close(tcp_clt_sk);
+ close(accept_sk);
+ close(peeloff_sk);
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2003
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ *
+ * This file is part of the SCTP kernel Implementation
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/* This is a kernel test to verify the TCP-style socket interfaces. */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <sys/poll.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 22;
+int TST_CNT = 0;
+
+#define MAX_CLIENTS 10
+
+int
+main(int argc, char *argv[])
+{
+ int clt_sk[MAX_CLIENTS], accept_sk[MAX_CLIENTS];
+ int listen_sk, clt2_sk, accept2_sk;
+ sockaddr_storage_t clt_loop[MAX_CLIENTS];
+ sockaddr_storage_t svr_loop, accept_loop, clt2_loop;
+ socklen_t addrlen;
+ int error, i;
+ char *message = "hello, world!\n";
+ char msgbuf[100];
+ int pf_class;
+ struct pollfd poll_fd;
+ fd_set set;
+ struct msghdr outmessage;
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct iovec out_iov;
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+ struct msghdr inmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char *big_buffer;
+ struct iovec iov;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Initialize the server and client addresses. */
+#if TEST_V6
+ pf_class = PF_INET6;
+ svr_loop.v6.sin6_family = AF_INET6;
+ svr_loop.v6.sin6_addr = in6addr_loopback;
+ svr_loop.v6.sin6_port = htons(SCTP_TESTPORT_1);
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ clt_loop[i].v6.sin6_family = AF_INET6;
+ clt_loop[i].v6.sin6_addr = in6addr_loopback;
+ clt_loop[i].v6.sin6_port = htons(SCTP_TESTPORT_2 + i);
+ }
+ clt2_loop.v6.sin6_family = AF_INET6;
+ clt2_loop.v6.sin6_addr = in6addr_loopback;
+ clt2_loop.v6.sin6_port = htons(SCTP_TESTPORT_2 + i);
+#else
+ pf_class = PF_INET;
+ svr_loop.v4.sin_family = AF_INET;
+ svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ clt_loop[i].v4.sin_family = AF_INET;
+ clt_loop[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ clt_loop[i].v4.sin_port = htons(SCTP_TESTPORT_2 + i);
+ }
+ clt2_loop.v4.sin_family = AF_INET;
+ clt2_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ clt2_loop.v4.sin_port = htons(SCTP_TESTPORT_2 + i);
+#endif
+
+ /* Create and bind the listening server socket. */
+ listen_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ test_bind(listen_sk, &svr_loop.sa, sizeof(svr_loop));
+
+ /* Mark listen_sk as being able to accept new associations. */
+ test_listen(listen_sk, MAX_CLIENTS-1);
+
+ /* Create and bind the client sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ clt_sk[i] = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ test_bind(clt_sk[i], &clt_loop[i].sa, sizeof(clt_loop[i]));
+ }
+ clt2_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ test_bind(clt2_sk, &clt2_loop.sa, sizeof(clt2_loop));
+
+ addrlen = sizeof(accept_loop);
+ /* Try to do accept on a non-listening socket. It should fail. */
+ error = accept(clt_sk[0], &accept_loop.sa, &addrlen);
+ if ((-1 != error) && (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "accept on non-listening socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "accept on non-listening socket");
+
+ /* Try to do a connect from a listening socket. It should fail. */
+ error = connect(listen_sk, (struct sockaddr *)&clt_loop[0],
+ sizeof(clt_loop[0]));
+ if ((-1 != error) && (EISCONN != errno))
+ tst_brkm(TBROK, tst_exit, "connect to non-listening socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect to non-listening socket");
+
+ /* Do a blocking connect from clt_sk's to listen_sk */
+ for (i = 0; i < MAX_CLIENTS; i++)
+ test_connect(clt_sk[i], &svr_loop.sa, sizeof(svr_loop));
+
+ tst_resm(TPASS, "connect to listening socket");
+
+ /* Verify that no more connect's can be done after the acceptq
+ * backlog has reached the max value.
+ */
+ error = connect(clt2_sk, &svr_loop.sa, sizeof(svr_loop));
+ if ((-1 != error) && (ECONNREFUSED != errno))
+ tst_brkm(TBROK, tst_exit, "connect after max backlog "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect after max backlog");
+
+ /* Extract the associations on the listening socket as new sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ poll_fd.fd = listen_sk;
+ poll_fd.events = POLLIN;
+ poll_fd.revents = 0;
+ error = poll(&poll_fd, 1, -1);
+ if ((1 != error) && (1 != poll_fd.revents))
+ tst_brkm(TBROK, tst_exit, "Unexpected return value "
+ "with poll, error:%d errno:%d, revents:%d",
+ error, errno, poll_fd.revents);
+
+ addrlen = sizeof(accept_loop);
+ accept_sk[i] = test_accept(listen_sk, &accept_loop.sa,
+ &addrlen);
+ }
+
+ tst_resm(TPASS, "accept from listening socket");
+
+ /* Try to do a connect on an established socket. It should fail. */
+ error = connect(accept_sk[0], &clt_loop[0].sa, sizeof(clt_loop[0]));
+ if ((-1 != error) || (EISCONN != errno))
+ tst_brkm(TBROK, tst_exit, "connect on an established socket "
+ "error:%d errno:%d", error, errno);
+
+ tst_resm(TPASS, "connect on an established socket");
+
+ /* Try to do accept on an established socket. It should fail. */
+ error = accept(accept_sk[0], &accept_loop.sa, &addrlen);
+ if ((-1 != error) && (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "accept on an established socket "
+ "error:%d errno:%d", error, errno);
+
+ error = accept(clt_sk[0], &accept_loop.sa, &addrlen);
+ if ((-1 != error) && (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "accept on an established socket "
+ "failure: error:%d errno:%d", error, errno);
+
+ tst_resm(TPASS, "accept on an established socket");
+
+ /* Send and receive a message from the client sockets to the accepted
+ * sockets.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ test_send(clt_sk[i], message, strlen(message), 0);
+ test_recv(accept_sk[i], msgbuf, 100, 0);
+ }
+
+ tst_resm(TPASS, "client sockets -> accepted sockets");
+
+ /* Send and receive a message from the accepted sockets to the client
+ * sockets.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ test_send(accept_sk[i], message, strlen(message), 0);
+ test_recv(clt_sk[i], msgbuf, 100, 0);
+ }
+
+ tst_resm(TPASS, "accepted sockets -> client sockets");
+
+ /* Sending a message on a listening socket should fail. */
+ error = send(listen_sk, message, strlen(message), MSG_NOSIGNAL);
+ if ((-1 != error) || (EPIPE != errno))
+ tst_brkm(TBROK, tst_exit, "send on a listening socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "send on a listening socket");
+
+ /* Trying to receive a message on a listening socket should fail. */
+ error = recv(listen_sk, msgbuf, 100, 0);
+ if ((-1 != error) || (ENOTCONN != errno))
+ tst_brkm(TBROK, tst_exit, "recv on a listening socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "recv on a listening socket");
+
+ /* TESTCASES for shutdown() */
+ errno = 0;
+ test_send(accept_sk[0], message, strlen(message), 0);
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(clt_sk[0]);
+
+ /* Do a SHUT_WR on clt_sk[0] to disable any new sends. */
+ test_shutdown(clt_sk[0], SHUT_WR);
+
+ /* Reading on a socket that has received SHUTDOWN should return 0
+ * indicating EOF.
+ */
+ error = recv(accept_sk[0], msgbuf, 100, 0);
+ if ((0 != error) || (0 != errno))
+ tst_brkm(TBROK, tst_exit, "recv on a SHUTDOWN received socket "
+ "error:%d errno:%d", error, errno);
+
+ tst_resm(TPASS, "recv on a SHUTDOWN received socket");
+
+ /* Read the pending message on clt_sk[0] that was received before
+ * SHUTDOWN call.
+ */
+ test_recv(clt_sk[0], msgbuf, 100, 0);
+
+ /* Initialize inmessage for all receives. */
+ big_buffer = test_malloc(REALLY_BIG);
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+ inmessage.msg_controllen = sizeof(incmsg);
+
+ /* Receive the SHUTDOWN_COMP notification as they are enabled. */
+ error = test_recvmsg(clt_sk[0], &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
+
+ tst_resm(TPASS, "recv SHUTDOWN_COMP notification on a SHUT_WR socket");
+
+ /* No more messages and the association is SHUTDOWN, should fail. */
+ error = recv(clt_sk[0], msgbuf, 100, 0);
+ if ((-1 != error) || (ENOTCONN != errno))
+ tst_brkm(TBROK, tst_exit, "recv on a SHUTDOWN sent socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "recv on a SHUTDOWN sent socket");
+
+ errno = 0;
+
+ /* Do a SHUT_RD on clt_sk[1] to disable any new receives. */
+ test_shutdown(clt_sk[1], SHUT_RD);
+
+ error = recv(clt_sk[1], msgbuf, 100, 0);
+ if ((0 != error) || (0 != errno))
+ tst_brkm(TBROK, tst_exit, "recv on a SHUT_RD socket "
+ "error:%d, errno:%d", error, errno);
+
+ /* Sending a message on SHUT_RD socket. */
+ test_send(clt_sk[1], message, strlen(message), 0);
+
+ /* Receive the message sent on SHUT_RD socket. */
+ test_recv(accept_sk[1], msgbuf, 100, 0);
+
+ /* Send a message to the SHUT_RD socket. */
+ test_send(accept_sk[1], message, strlen(message), 0);
+
+ /* We should not receive the message as the socket is SHUT_RD */
+ error = recv(clt_sk[1], msgbuf, 100, 0);
+ if ((0 != error) || (0 != errno))
+ tst_brkm(TBROK, tst_exit, "recv on a SHUT_RD socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "recv on a SHUT_RD socket");
+
+ /* Do a SHUT_RDWR on clt_sk[2] to disable any new sends/receives. */
+ test_shutdown(clt_sk[2], SHUT_RDWR);
+
+ error = recv(accept_sk[2], msgbuf, 100, 0);
+ if ((0 != error) || (0 != errno))
+ tst_brkm(TBROK, tst_exit, "recv on a SHUT_RDWR socket "
+ "error:%d, errno:%d", error, errno);
+
+ error = recv(clt_sk[2], msgbuf, 100, 0);
+ if ((0 != error) || (0 != errno))
+ tst_brkm(TBROK, tst_exit, "recv on a SHUT_RDWR socket "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "recv on a SHUT_RDWR socket");
+
+ error = 0;
+
+ for (i = 0; i < MAX_CLIENTS; i++)
+ close(clt_sk[i]);
+ for (i = 0; i < MAX_CLIENTS; i++)
+ close(accept_sk[i]);
+
+ /* Test case to verify accept of a CLOSED association. */
+ /* Do a connect, send and a close to ESTABLISH and CLOSE an
+ * association on the listening socket.
+ */
+ test_connect(clt2_sk, &svr_loop.sa, sizeof(svr_loop));
+
+ test_send(clt2_sk, message, strlen(message), 0);
+
+ close(clt2_sk);
+
+ FD_ZERO(&set);
+ FD_SET(listen_sk, &set);
+
+ error = select(listen_sk + 1, &set, NULL, NULL, NULL);
+ if (1 != error)
+ tst_brkm(TBROK, tst_exit, "select error:%d, "
+ "errno: %d", error, errno);
+
+ /* Now accept the CLOSED association waiting on the listening
+ * socket.
+ */
+ accept2_sk = test_accept(listen_sk, &accept_loop.sa, &addrlen);
+
+ /* Receive the message sent before doing a close. */
+ test_recv(accept2_sk, msgbuf, 100, 0);
+
+ /* Receive EOF indication as there are no more messages and the
+ * socket is SHUTDOWN.
+ */
+ error = recv(accept2_sk, msgbuf, 100, 0);
+ if ((0 != error) || (0 != errno))
+ tst_brkm(TBROK, tst_exit, "Unexpected error return on "
+ "recv(error:%d, errno:%d)", error, errno);
+
+ tst_resm(TPASS, "accept of a CLOSED association");
+
+ /* Trying to send a message over the CLOSED association should
+ * generate EPIPE.
+ */
+ error = send(accept2_sk, message, strlen(message), MSG_NOSIGNAL);
+ if ((-1 != error) || (EPIPE != errno))
+ tst_brkm(TBROK, tst_exit, "send to a CLOSED association "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "send to a CLOSED association");
+
+ error = 0;
+ close(accept2_sk);
+
+ /* Verify that auto-connect can be done on a TCP-style socket using
+ * sendto/sendmsg.
+ */
+ clt2_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
+ test_bind(clt2_sk, &clt2_loop.sa, sizeof(clt2_loop));
+
+ /* Do a sendto() without a connect() */
+ test_sendto(clt2_sk, message, strlen(message), 0, &svr_loop.sa,
+ sizeof(svr_loop));
+
+ accept2_sk = test_accept(listen_sk, &accept_loop.sa, &addrlen);
+
+ test_recv(accept2_sk, msgbuf, 100, 0);
+
+ tst_resm(TPASS, "auto-connect using sendto");
+
+ outmessage.msg_name = &svr_loop;
+ outmessage.msg_namelen = sizeof(svr_loop);
+ outmessage.msg_iov = NULL;
+ outmessage.msg_iovlen = 0;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+
+ /* Verify that SCTP_EOF cannot be used to shutdown an association
+ * on a TCP-style socket.
+ */
+ sinfo->sinfo_flags |= SCTP_EOF;
+ error = sendmsg(clt2_sk, &outmessage, 0);
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "sendmsg with SCTP_EOF flag "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sendmsg with SCTP_EOF flag");
+
+ /* Verify that SCTP_ABORT cannot be used to abort an association
+ * on a TCP-style socket.
+ */
+ sinfo->sinfo_flags |= SCTP_ABORT;
+ error = sendmsg(clt2_sk, &outmessage, 0);
+ if ((-1 != error) || (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "sendmsg with SCTP_ABORT flag "
+ "error:%d, errno:%d", error, errno);
+
+ tst_resm(TPASS, "sendmsg with SCTP_ABORT flag");
+
+ /* Verify that a normal message can be sent using sendmsg. */
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ out_iov.iov_base = message;
+ out_iov.iov_len = strlen(message) + 1;
+ sinfo->sinfo_flags = 0;
+ test_sendmsg(clt2_sk, &outmessage, 0, strlen(message)+1);
+
+ test_recv(accept2_sk, msgbuf, 100, 0);
+
+ tst_resm(TPASS, "sendmsg with no flags");
+
+ close(clt2_sk);
+ close(accept2_sk);
+ close(listen_sk);
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, Inc.
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * Jon Grimm <jgrimm@us.ibm.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+/*
+ * This is a basic functional test for the SCTP kernel
+ * implementation of sndrcvinfo.sinfo_timetolive.
+ *
+ * 1) Create two sockets, the listening socket sets its RECVBUF small
+ * 2) Create a connection. Send enough data to the non-reading listener
+ * to fill the RCVBUF.
+ * 5) Set sinfo_timetolive on a message and send.
+ * 6) Disable sinfo_timetolive on a message and send.
+ * 7) Wait sinfo_timetolive.
+ * 8) Read out all the data at the receiver.
+ * 9) Make sure timed out message did not make it.
+ * 10) Make sure that the message with no timeout makes it to the receiver.
+ *
+ * Also test with SEND_FAILED notifications. Also, use a fragmented
+ * message so as to also exercise the SEND_FAILED of fragmentation
+ * code.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <sys/errno.h>
+#include <errno.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+char *TCID = __FILE__;
+int TST_TOTAL = 6;
+int TST_CNT = 0;
+
+/* This is the size of our RCVBUF */
+#define SMALL_RCVBUF 3000
+
+/* MAX segment size */
+#define SMALL_MAXSEG 100
+
+/* RWND_SLOP is the extra data that fills up the rwnd */
+#define RWND_SLOP 100
+static char *fillmsg = NULL;
+static char *ttlmsg = "This should time out!\n";
+static char *nottlmsg = "This should NOT time out!\n";
+static char ttlfrag[SMALL_MAXSEG*3] = {0};
+static char *message = "Hello world\n";
+
+int main(int argc, char *argv[])
+{
+ int sk1, sk2;
+ sockaddr_storage_t loop1;
+ sockaddr_storage_t loop2;
+ struct iovec iov;
+ struct msghdr inmessage;
+ struct msghdr outmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+ struct iovec out_iov;
+ int error;
+ int pf_class, af_family;
+ uint32_t ppid;
+ uint32_t stream;
+ sctp_assoc_t associd1, associd2;
+ struct sctp_assoc_change *sac;
+ struct sctp_event_subscribe subscribe;
+ char *big_buffer;
+ int offset;
+ struct sctp_send_failed *ssf;
+ int len; /* Really becomes 2xlen when set. */
+ int orig_len;
+ struct sctp_status gstatus;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+ /* Set some basic values which depend on the address family. */
+#if TEST_V6
+ pf_class = PF_INET6;
+ af_family = AF_INET6;
+
+ loop1.v6.sin6_family = AF_INET6;
+ loop1.v6.sin6_addr = in6addr_loopback;
+ loop1.v6.sin6_port = htons(SCTP_TESTPORT_1);
+
+ loop2.v6.sin6_family = AF_INET6;
+ loop2.v6.sin6_addr = in6addr_loopback;
+ loop2.v6.sin6_port = htons(SCTP_TESTPORT_2);
+#else
+ pf_class = PF_INET;
+ af_family = AF_INET;
+
+ loop1.v4.sin_family = AF_INET;
+ loop1.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ loop1.v4.sin_port = htons(SCTP_TESTPORT_1);
+
+ loop2.v4.sin_family = AF_INET;
+ loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ loop2.v4.sin_port = htons(SCTP_TESTPORT_2);
+#endif /* TEST_V6 */
+
+ /* Create the two endpoints which will talk to each other. */
+ sk1 = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ sk2 = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+
+ len = sizeof(int);
+ error = getsockopt(sk2, SOL_SOCKET, SO_RCVBUF, &orig_len,
+ &len);
+ if (error)
+ tst_brkm(TBROK, tst_exit, "can't get rcvbuf size: %s",
+ strerror(errno));
+ /* Set the MAXSEG to something smallish. */
+ {
+ int val = SMALL_MAXSEG;
+ test_setsockopt(sk1, SCTP_MAXSEG, &val, sizeof(val));
+ }
+
+ memset(&subscribe, 0, sizeof(subscribe));
+ subscribe.sctp_data_io_event = 1;
+ subscribe.sctp_association_event = 1;
+ subscribe.sctp_send_failure_event = 1;
+ test_setsockopt(sk1, SCTP_EVENTS, &subscribe, sizeof(subscribe));
+ test_setsockopt(sk2, SCTP_EVENTS, &subscribe, sizeof(subscribe));
+
+ /* Bind these sockets to the test ports. */
+ test_bind(sk1, &loop1.sa, sizeof(loop1));
+ test_bind(sk2, &loop2.sa, sizeof(loop2));
+
+ /*
+ * This code sets the associations RWND very small so we can
+ * fill it. It does this by manipulating the rcvbuf as follows:
+ * 1) Reduce the rcvbuf size on the socket
+ * 2) create an association so that we advertize rcvbuf/2 as
+ * our initial rwnd
+ * 3) raise the rcvbuf value so that we don't drop data wile
+ * receiving later data
+ */
+ len = SMALL_RCVBUF;
+ error = setsockopt(sk2, SOL_SOCKET, SO_RCVBUF, &len,
+ sizeof(len));
+ if (error)
+ tst_brkm(TBROK, tst_exit, "setsockopt(SO_RCVBUF): %s",
+ strerror(errno));
+
+ /* Mark sk2 as being able to accept new associations. */
+ test_listen(sk2, 1);
+
+ /* Send the first message. This will create the association. */
+ outmessage.msg_name = &loop2;
+ outmessage.msg_namelen = sizeof(loop2);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid = rand(); /* Choose an arbitrary value. */
+ stream = 1;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = strlen(message) + 1;
+ test_sendmsg(sk1, &outmessage, 0, strlen(message)+1);
+
+ /* Initialize inmessage for all receives. */
+ big_buffer = test_malloc(REALLY_BIG);
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+
+ /* Get the communication up message on sk2. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ associd2 = sac->sac_assoc_id;
+
+ /* Get the communication up message on sk1. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk1, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ associd1 = sac->sac_assoc_id;
+
+ /* restore the rcvbuffer size for the receiving socket */
+ error = setsockopt(sk2, SOL_SOCKET, SO_RCVBUF, &orig_len,
+ sizeof(orig_len));
+
+ if (error)
+ tst_brkm(TBROK, tst_exit, "setsockopt(SO_RCVBUF): %s",
+ strerror(errno));
+
+ /* Get the first data message which was sent. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+
+ /* Figure out how big to make our fillmsg */
+ len = sizeof(struct sctp_status);
+ memset(&gstatus,0,sizeof(struct sctp_status));
+ gstatus.sstat_assoc_id = associd1;
+ error = getsockopt(sk1, IPPROTO_SCTP, SCTP_STATUS, &gstatus, &len);
+
+ if (error)
+ tst_brkm(TBROK, tst_exit, "can't get rwnd size: %s",
+ strerror(errno));
+ tst_resm(TINFO, "Creating fillmsg of size %d",
+ gstatus.sstat_rwnd+RWND_SLOP);
+ fillmsg = malloc(gstatus.sstat_rwnd+RWND_SLOP);
+
+ /* Send a fillmsg */
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid++;
+ stream++;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ memset(fillmsg, 'X', gstatus.sstat_rwnd+RWND_SLOP);
+ fillmsg[gstatus.sstat_rwnd+RWND_SLOP-1] = '\0';
+ outmessage.msg_iov->iov_base = fillmsg;
+ outmessage.msg_iov->iov_len = gstatus.sstat_rwnd+RWND_SLOP;
+ outmessage.msg_name = NULL;
+ outmessage.msg_namelen = 0;
+ sinfo->sinfo_assoc_id = associd1;
+ sinfo->sinfo_timetolive = 0;
+ test_sendmsg(sk1, &outmessage, MSG_NOSIGNAL,
+ gstatus.sstat_rwnd+RWND_SLOP);
+
+ /* Now send the message with timeout. */
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ outmessage.msg_iov->iov_base = ttlmsg;
+ outmessage.msg_iov->iov_len = strlen(ttlmsg) + 1;
+ outmessage.msg_name = NULL;
+ outmessage.msg_namelen = 0;
+ sinfo->sinfo_assoc_id = associd1;
+ sinfo->sinfo_timetolive = 2000;
+ test_sendmsg(sk1, &outmessage, MSG_NOSIGNAL, strlen(ttlmsg) + 1);
+
+ tst_resm(TPASS, "Send a message with timeout");
+
+ /* Next send a message with no timeout. */
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ outmessage.msg_iov->iov_base = nottlmsg;
+ outmessage.msg_iov->iov_len = strlen(nottlmsg) + 1;
+ outmessage.msg_name = NULL;
+ outmessage.msg_namelen = 0;
+ sinfo->sinfo_assoc_id = associd1;
+ sinfo->sinfo_timetolive = 0;
+ test_sendmsg(sk1, &outmessage, MSG_NOSIGNAL, strlen(nottlmsg)+1);
+
+ tst_resm(TPASS, "Send a message with no timeout");
+
+ /* And finally a fragmented message that will time out. */
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ memset(ttlfrag, '0', sizeof(ttlfrag));
+ ttlfrag[sizeof(ttlfrag)-1] = '\0';
+ outmessage.msg_iov->iov_base = ttlfrag;
+ outmessage.msg_iov->iov_len = sizeof(ttlfrag);
+ outmessage.msg_name = NULL;
+ outmessage.msg_namelen = 0;
+ sinfo->sinfo_assoc_id = associd1;
+ sinfo->sinfo_timetolive = 2000;
+ test_sendmsg(sk1, &outmessage, MSG_NOSIGNAL, sizeof(ttlfrag));
+
+ tst_resm(TPASS, "Send a fragmented message with timeout");
+
+ /* Sleep waiting for the message to time out. */
+ tst_resm(TINFO, " ** SLEEPING for 3 seconds **");
+ sleep(3);
+
+ /* Read the fillmsg snuck in between the ttl'd messages. */
+ do {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ } while (!(inmessage.msg_flags & MSG_EOR));
+
+ /* Now get the message that did NOT time out. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(nottlmsg) + 1,
+ MSG_EOR, stream, ppid);
+ if (0 != strncmp(iov.iov_base, nottlmsg, strlen(nottlmsg)+1))
+ tst_brkm(TBROK, tst_exit, "Received Wrong Message !!!");
+
+ tst_resm(TPASS, "Receive message with no timeout");
+
+ /* Get the SEND_FAILED notification for the message that DID
+ * time out.
+ */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk1, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_send_failed) +
+ strlen(ttlmsg) + 1,
+ SCTP_SEND_FAILED, 0);
+ ssf = (struct sctp_send_failed *)iov.iov_base;
+ if (0 != strncmp(ttlmsg, (char *)ssf->ssf_data, strlen(ttlmsg) + 1))
+ tst_brkm(TBROK, tst_exit, "SEND_FAILED data mismatch");
+
+ tst_resm(TPASS, "Receive SEND_FAILED for message with timeout");
+
+ /* Get the SEND_FAILED notification for the fragmented message that
+ * DID time out.
+ */
+ offset = 0;
+ do {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk1, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_send_failed) +
+ SMALL_MAXSEG,
+ SCTP_SEND_FAILED, 0);
+ ssf = (struct sctp_send_failed *)iov.iov_base;
+ if (0 != strncmp(&ttlfrag[offset], (char *)ssf->ssf_data,
+ SMALL_MAXSEG))
+ tst_brkm(TBROK, tst_exit, "SEND_FAILED data mismatch");
+ offset += SMALL_MAXSEG;
+ } while (!(ssf->ssf_info.sinfo_flags & 0x01)); /* LAST_FRAG */
+
+ tst_resm(TPASS, "Receive SEND_FAILED for fragmented message with "
+ "timeout");
+
+ /* Shut down the link. */
+ close(sk1);
+
+ /* Get the shutdown complete notification. */
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(sk2, &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
+
+ close(sk2);
+
+ /* Indicate successful completion. */
+ return 0;
+}
--- /dev/null
+
+include $(top_srcdir)/Makefile.vars
+include $(top_srcdir)/Makefile.rules
+
+SUBDIRS = netinet
--- /dev/null
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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--- /dev/null
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+
+
+## FIXME: Your stuff here
+
+# Supposing this is part of the development package, header for our
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--- /dev/null
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+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
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+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
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+# This program is distributed in the hope that it will be useful,
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+MOSTLYCLEANFILES = *~ *.[aios] *.bak *.ci *.io
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+edit = @sed \
+ -e "s|\@bindir\@|$(bindir)|" \
+ -e "s|\@libdir\@|$(libdir)|" \
+ -e "s|\@PACKAGE\@|$(PACKAGE)|"
+
+libcnetinetdir = $(includedir)/netinet
+
+# Supposing this is part of the development package, header for our
+# API.
+include_HEADERS =
+libcnetinet_HEADERS = sctp.h
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(top_srcdir)/Makefile.vars $(top_srcdir)/Makefile.rules $(am__configure_deps)
+ @for dep in $?; do \
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+ *$$dep*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+ && exit 0; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/include/netinet/Makefile'; \
+ cd $(top_srcdir) && \
+ $(AUTOMAKE) --foreign src/include/netinet/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
+ *config.status*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+ *) \
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+
+$(top_srcdir)/configure: $(am__configure_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): $(am__aclocal_m4_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+
+distclean-libtool:
+ -rm -f libtool
+uninstall-info-am:
+install-includeHEADERS: $(include_HEADERS)
+ @$(NORMAL_INSTALL)
+ test -z "$(includedir)" || $(mkdir_p) "$(DESTDIR)$(includedir)"
+ @list='$(include_HEADERS)'; for p in $$list; do \
+ if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+ f=$(am__strip_dir) \
+ echo " $(includeHEADERS_INSTALL) '$$d$$p' '$(DESTDIR)$(includedir)/$$f'"; \
+ $(includeHEADERS_INSTALL) "$$d$$p" "$(DESTDIR)$(includedir)/$$f"; \
+ done
+
+uninstall-includeHEADERS:
+ @$(NORMAL_UNINSTALL)
+ @list='$(include_HEADERS)'; for p in $$list; do \
+ f=$(am__strip_dir) \
+ echo " rm -f '$(DESTDIR)$(includedir)/$$f'"; \
+ rm -f "$(DESTDIR)$(includedir)/$$f"; \
+ done
+install-libcnetinetHEADERS: $(libcnetinet_HEADERS)
+ @$(NORMAL_INSTALL)
+ test -z "$(libcnetinetdir)" || $(mkdir_p) "$(DESTDIR)$(libcnetinetdir)"
+ @list='$(libcnetinet_HEADERS)'; for p in $$list; do \
+ if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+ f=$(am__strip_dir) \
+ echo " $(libcnetinetHEADERS_INSTALL) '$$d$$p' '$(DESTDIR)$(libcnetinetdir)/$$f'"; \
+ $(libcnetinetHEADERS_INSTALL) "$$d$$p" "$(DESTDIR)$(libcnetinetdir)/$$f"; \
+ done
+
+uninstall-libcnetinetHEADERS:
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+ @list='$(libcnetinet_HEADERS)'; for p in $$list; do \
+ f=$(am__strip_dir) \
+ echo " rm -f '$(DESTDIR)$(libcnetinetdir)/$$f'"; \
+ rm -f "$(DESTDIR)$(libcnetinetdir)/$$f"; \
+ done
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ tags=; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$tags $$unique; \
+ fi
+ctags: CTAGS
+CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
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+ tags=; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
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+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$tags $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && cd $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ $(mkdir_p) $(distdir)/../../..
+ @srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
+ list='$(DISTFILES)'; for file in $$list; do \
+ case $$file in \
+ $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+ $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
+ esac; \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+ else \
+ dir=''; \
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+ fi; \
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+ else \
+ test -f $(distdir)/$$file \
+ || cp -p $$d/$$file $(distdir)/$$file \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(HEADERS)
+installdirs:
+ for dir in "$(DESTDIR)$(includedir)" "$(DESTDIR)$(libcnetinetdir)"; do \
+ test -z "$$dir" || $(mkdir_p) "$$dir"; \
+ done
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+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ `test -z '$(STRIP)' || \
+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+ -test -z "$(MOSTLYCLEANFILES)" || rm -f $(MOSTLYCLEANFILES)
+
+clean-generic:
+ -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+ -test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+ -rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-libtool \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am: install-includeHEADERS install-libcnetinetHEADERS
+
+install-exec-am:
+
+install-info: install-info-am
+
+install-man:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
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+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-includeHEADERS uninstall-info-am \
+ uninstall-libcnetinetHEADERS
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libtool ctags distclean distclean-generic \
+ distclean-libtool distclean-tags distdir dvi dvi-am html \
+ html-am info info-am install install-am install-data \
+ install-data-am install-exec install-exec-am \
+ install-includeHEADERS install-info install-info-am \
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+ installcheck installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-generic \
+ mostlyclean-libtool pdf pdf-am ps ps-am tags uninstall \
+ uninstall-am uninstall-includeHEADERS uninstall-info-am \
+ uninstall-libcnetinetHEADERS
+
+
+# -*-makefile-*-
+#
+# Generate pre-parsed C code.
+%.i: %.c
+ $(COMPILE) -E -c $^ -o $@
+
+.PRECIOUS: %.i
+%.ci: %.i
+ -grep -v -e "^#" -e "^ *$$" $^ | indent > $@
+ mv -f $@ $^
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
--- /dev/null
+/* SCTP kernel Implementation: User API extensions.
+ *
+ * sctp.h
+ *
+ * Distributed under the terms of the LGPL v2.1 as described in
+ * http://www.gnu.org/copyleft/lesser.txt
+ *
+ * This file is part of the user library that offers support for the
+ * Linux Kernel SCTP Implementation. The main purpose of this
+ * code is to provide the SCTP Socket API mappings for user
+ * application to interface with SCTP in kernel.
+ *
+ * This header represents the structures and constants needed to support
+ * the SCTP Extension to the Sockets API.
+ *
+ * (C) Copyright IBM Corp. 2001, 2004
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ *
+ * Written or modified by:
+ * La Monte H.P. Yarroll <piggy@acm.org>
+ * R. Stewart <randall@sctp.chicago.il.us>
+ * K. Morneau <kmorneau@cisco.com>
+ * Q. Xie <qxie1@email.mot.com>
+ * Karl Knutson <karl@athena.chicago.il.us>
+ * Jon Grimm <jgrimm@austin.ibm.com>
+ * Daisy Chang <daisyc@us.ibm.com>
+ * Inaky Perez-Gonzalez <inaky.gonzalez@intel.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ * Vlad Yasevich <vladislav.yasevich@hp.com>
+ */
+
+#ifndef __linux_sctp_h__
+#define __linux_sctp_h__
+
+#include <stdint.h>
+#include <linux/types.h>
+#include <sys/socket.h>
+
+__BEGIN_DECLS
+
+typedef __s32 sctp_assoc_t;
+
+/* Socket option layer for SCTP */
+#ifndef SOL_SCTP
+#define SOL_SCTP 132
+#endif
+
+#ifndef IPPROTO_SCTP
+#define IPPROTO_SCTP 132
+#endif
+
+/* 9. Preprocessor constants */
+#define HAVE_SCTP
+#define HAVE_KERNEL_SCTP
+#define HAVE_SCTP_MULTIBUF
+#define HAVE_SCTP_NOCONNECT
+#define HAVE_SCTP_PRSCTP
+#define HAVE_SCTP_ADDIP
+#define HAVE_SCTP_CANSET_PRIMARY
+
+/* The following symbols come from the Sockets API Extensions for
+ * SCTP <draft-ietf-tsvwg-sctpsocket-07.txt>.
+ */
+enum sctp_optname {
+ SCTP_RTOINFO,
+#define SCTP_RTOINFO SCTP_RTOINFO
+ SCTP_ASSOCINFO,
+#define SCTP_ASSOCINFO SCTP_ASSOCINFO
+ SCTP_INITMSG,
+#define SCTP_INITMSG SCTP_INITMSG
+ SCTP_NODELAY, /* Get/set nodelay option. */
+#define SCTP_NODELAY SCTP_NODELAY
+ SCTP_AUTOCLOSE,
+#define SCTP_AUTOCLOSE SCTP_AUTOCLOSE
+ SCTP_SET_PEER_PRIMARY_ADDR,
+#define SCTP_SET_PEER_PRIMARY_ADDR SCTP_SET_PEER_PRIMARY_ADDR
+ SCTP_PRIMARY_ADDR,
+#define SCTP_PRIMARY_ADDR SCTP_PRIMARY_ADDR
+ SCTP_ADAPTATION_LAYER,
+#define SCTP_ADAPTATION_LAYER SCTP_ADAPTATION_LAYER
+ SCTP_DISABLE_FRAGMENTS,
+#define SCTP_DISABLE_FRAGMENTS SCTP_DISABLE_FRAGMENTS
+ SCTP_PEER_ADDR_PARAMS,
+#define SCTP_PEER_ADDR_PARAMS SCTP_PEER_ADDR_PARAMS
+ SCTP_DEFAULT_SEND_PARAM,
+#define SCTP_DEFAULT_SEND_PARAM SCTP_DEFAULT_SEND_PARAM
+ SCTP_EVENTS,
+#define SCTP_EVENTS SCTP_EVENTS
+ SCTP_I_WANT_MAPPED_V4_ADDR, /* Turn on/off mapped v4 addresses */
+#define SCTP_I_WANT_MAPPED_V4_ADDR SCTP_I_WANT_MAPPED_V4_ADDR
+ SCTP_MAXSEG, /* Get/set maximum fragment. */
+#define SCTP_MAXSEG SCTP_MAXSEG
+ SCTP_STATUS,
+#define SCTP_STATUS SCTP_STATUS
+ SCTP_GET_PEER_ADDR_INFO,
+#define SCTP_GET_PEER_ADDR_INFO SCTP_GET_PEER_ADDR_INFO
+ SCTP_DELAYED_ACK_TIME,
+#define SCTP_DELAYED_ACK_TIME SCTP_DELAYED_ACK_TIME
+ SCTP_CONTEXT, /* Receive Context */
+#define SCTP_CONTEXT SCTP_CONTEXT
+ SCTP_FRAGMENT_INTERLEAVE,
+#define SCTP_FRAGMENT_INTERLEAVE SCTP_FRAGMENT_INTERLEAVE
+ SCTP_PARTIAL_DELIVERY_POINT, /* Set/Get partial delivery point */
+#define SCTP_PARTIAL_DELIVERY_POINT SCTP_PARTIAL_DELIVERY_POINT
+ SCTP_MAX_BURST, /* Set/Get max burst */
+#define SCTP_MAX_BURST SCTP_MAX_BURST
+ SCTP_AUTH_CHUNK, /* Set only: add a chunk type to authenticat */
+#define SCTP_AUTH_CHUNK SCTP_AUTH_CHUNK
+ SCTP_HMAC_IDENT,
+#define SCTP_HMAC_IDENT SCTP_HMAC_IDENT
+ SCTP_AUTH_KEY,
+#define SCTP_AUTH_KEY SCTP_AUTH_KEY
+ SCTP_AUTH_ACTIVE_KEY,
+#define SCTP_AUTH_ACTIVE_KEY SCTP_AUTH_ACTIVE_KEY
+ SCTP_AUTH_DELETE_KEY,
+#define SCTP_AUTH_DELETE_KEY SCTP_AUTH_DELETE_KEY
+ SCTP_PEER_AUTH_CHUNKS, /* Read only */
+#define SCTP_PEER_AUTH_CHUNKS SCTP_PEER_AUTH_CHUNKS
+ SCTP_LOCAL_AUTH_CHUNKS, /* Read only */
+#define SCTP_LOCAL_AUTH_CHUNKS SCTP_LOCAL_AUTH_CHUNKS
+
+
+ /* Internal Socket Options. Some of the sctp library functions are
+ * implemented using these socket options.
+ */
+ SCTP_SOCKOPT_BINDX_ADD = 100,/* BINDX requests for adding addresses. */
+#define SCTP_SOCKOPT_BINDX_ADD SCTP_SOCKOPT_BINDX_ADD
+ SCTP_SOCKOPT_BINDX_REM, /* BINDX requests for removing addresses. */
+#define SCTP_SOCKOPT_BINDX_REM SCTP_SOCKOPT_BINDX_REM
+ SCTP_SOCKOPT_PEELOFF, /* peel off association. */
+#define SCTP_SOCKOPT_PEELOFF SCTP_SOCKOPT_PEELOFF
+ SCTP_GET_PEER_ADDRS_NUM_OLD, /* Get number of peer addresss. */
+#define SCTP_GET_PEER_ADDRS_NUM_OLD SCTP_GET_PEER_ADDRS_NUM_OLD
+ SCTP_GET_PEER_ADDRS_OLD, /* Get all peer addresss. */
+#define SCTP_GET_PEER_ADDRS_OLD SCTP_GET_PEER_ADDRS_OLD
+ SCTP_GET_LOCAL_ADDRS_NUM_OLD, /* Get number of local addresss. */
+#define SCTP_GET_LOCAL_ADDRS_NUM_OLD SCTP_GET_LOCAL_ADDRS_NUM_OLD
+ SCTP_GET_LOCAL_ADDRS_OLD, /* Get all local addresss. */
+#define SCTP_GET_LOCAL_ADDRS_OLD SCTP_GET_LOCAL_ADDRS_OLD
+ SCTP_SOCKOPT_CONNECTX_OLD, /* CONNECTX requests. OLD implementation */
+#define SCTP_SOCKOPT_CONNECTX_OLD SCTP_SOCKOPT_CONNECTX_OLD
+ SCTP_GET_PEER_ADDRS, /* Get all peer addresss. */
+#define SCTP_GET_PEER_ADDRS SCTP_GET_PEER_ADDRS
+ SCTP_GET_LOCAL_ADDRS, /* Get all local addresss. */
+#define SCTP_GET_LOCAL_ADDRS SCTP_GET_LOCAL_ADDRS
+ SCTP_SOCKOPT_CONNECTX, /* CONNECTX requests. NEW implementation */
+#define SCTP_SOCKOPT_CONNECTX SCTP_SOCKOPT_CONNECTX
+};
+
+/*
+ * 5.2.1 SCTP Initiation Structure (SCTP_INIT)
+ *
+ * This cmsghdr structure provides information for initializing new
+ * SCTP associations with sendmsg(). The SCTP_INITMSG socket option
+ * uses this same data structure. This structure is not used for
+ * recvmsg().
+ *
+ * cmsg_level cmsg_type cmsg_data[]
+ * ------------ ------------ ----------------------
+ * IPPROTO_SCTP SCTP_INIT struct sctp_initmsg
+ *
+ */
+struct sctp_initmsg {
+ __u16 sinit_num_ostreams;
+ __u16 sinit_max_instreams;
+ __u16 sinit_max_attempts;
+ __u16 sinit_max_init_timeo;
+};
+
+/*
+ * 5.2.2 SCTP Header Information Structure (SCTP_SNDRCV)
+ *
+ * This cmsghdr structure specifies SCTP options for sendmsg() and
+ * describes SCTP header information about a received message through
+ * recvmsg().
+ *
+ * cmsg_level cmsg_type cmsg_data[]
+ * ------------ ------------ ----------------------
+ * IPPROTO_SCTP SCTP_SNDRCV struct sctp_sndrcvinfo
+ *
+ */
+struct sctp_sndrcvinfo {
+ __u16 sinfo_stream;
+ __u16 sinfo_ssn;
+ __u16 sinfo_flags;
+ __u32 sinfo_ppid;
+ __u32 sinfo_context;
+ __u32 sinfo_timetolive;
+ __u32 sinfo_tsn;
+ __u32 sinfo_cumtsn;
+ sctp_assoc_t sinfo_assoc_id;
+};
+
+/*
+ * sinfo_flags: 16 bits (unsigned integer)
+ *
+ * This field may contain any of the following flags and is composed of
+ * a bitwise OR of these values.
+ */
+
+enum sctp_sinfo_flags {
+ SCTP_UNORDERED = 1, /* Send/receive message unordered. */
+ SCTP_ADDR_OVER = 2, /* Override the primary destination. */
+ SCTP_ABORT=4, /* Send an ABORT message to the peer. */
+ SCTP_EOF=MSG_FIN, /* Initiate graceful shutdown process. */
+};
+
+
+typedef union {
+ __u8 raw;
+ struct sctp_initmsg init;
+ struct sctp_sndrcvinfo sndrcv;
+} sctp_cmsg_data_t;
+
+/* These are cmsg_types. */
+typedef enum sctp_cmsg_type {
+ SCTP_INIT, /* 5.2.1 SCTP Initiation Structure */
+#define SCTP_INIT SCTP_INIT
+ SCTP_SNDRCV, /* 5.2.2 SCTP Header Information Structure */
+#define SCTP_SNDRCV SCTP_SNDRCV
+} sctp_cmsg_t;
+
+
+/*
+ * 5.3.1.1 SCTP_ASSOC_CHANGE
+ *
+ * Communication notifications inform the ULP that an SCTP association
+ * has either begun or ended. The identifier for a new association is
+ * provided by this notificaion. The notification information has the
+ * following format:
+ *
+ */
+struct sctp_assoc_change {
+ __u16 sac_type;
+ __u16 sac_flags;
+ __u32 sac_length;
+ __u16 sac_state;
+ __u16 sac_error;
+ __u16 sac_outbound_streams;
+ __u16 sac_inbound_streams;
+ sctp_assoc_t sac_assoc_id;
+ __u8 sac_info[0];
+};
+
+/*
+ * sac_state: 32 bits (signed integer)
+ *
+ * This field holds one of a number of values that communicate the
+ * event that happened to the association. They include:
+ *
+ * Note: The following state names deviate from the API draft as
+ * the names clash too easily with other kernel symbols.
+ */
+enum sctp_sac_state {
+ SCTP_COMM_UP,
+ SCTP_COMM_LOST,
+ SCTP_RESTART,
+ SCTP_SHUTDOWN_COMP,
+ SCTP_CANT_STR_ASSOC,
+};
+
+/*
+ * 5.3.1.2 SCTP_PEER_ADDR_CHANGE
+ *
+ * When a destination address on a multi-homed peer encounters a change
+ * an interface details event is sent. The information has the
+ * following structure:
+ */
+struct sctp_paddr_change {
+ __u16 spc_type;
+ __u16 spc_flags;
+ __u32 spc_length;
+ struct sockaddr_storage spc_aaddr;
+ int spc_state;
+ int spc_error;
+ sctp_assoc_t spc_assoc_id;
+} __attribute__((packed, aligned(4)));
+
+/*
+ * spc_state: 32 bits (signed integer)
+ *
+ * This field holds one of a number of values that communicate the
+ * event that happened to the address. They include:
+ */
+enum sctp_spc_state {
+ SCTP_ADDR_AVAILABLE,
+ SCTP_ADDR_UNREACHABLE,
+ SCTP_ADDR_REMOVED,
+ SCTP_ADDR_ADDED,
+ SCTP_ADDR_MADE_PRIM,
+ SCTP_ADDR_CONFIRMED,
+};
+
+
+/*
+ * 5.3.1.3 SCTP_REMOTE_ERROR
+ *
+ * A remote peer may send an Operational Error message to its peer.
+ * This message indicates a variety of error conditions on an
+ * association. The entire error TLV as it appears on the wire is
+ * included in a SCTP_REMOTE_ERROR event. Please refer to the SCTP
+ * specification [SCTP] and any extensions for a list of possible
+ * error formats. SCTP error TLVs have the format:
+ */
+struct sctp_remote_error {
+ __u16 sre_type;
+ __u16 sre_flags;
+ __u32 sre_length;
+ __u16 sre_error;
+ sctp_assoc_t sre_assoc_id;
+ __u8 sre_data[0];
+};
+
+
+/*
+ * 5.3.1.4 SCTP_SEND_FAILED
+ *
+ * If SCTP cannot deliver a message it may return the message as a
+ * notification.
+ */
+struct sctp_send_failed {
+ __u16 ssf_type;
+ __u16 ssf_flags;
+ __u32 ssf_length;
+ __u32 ssf_error;
+ struct sctp_sndrcvinfo ssf_info;
+ sctp_assoc_t ssf_assoc_id;
+ __u8 ssf_data[0];
+};
+
+/*
+ * ssf_flags: 16 bits (unsigned integer)
+ *
+ * The flag value will take one of the following values
+ *
+ * SCTP_DATA_UNSENT - Indicates that the data was never put on
+ * the wire.
+ *
+ * SCTP_DATA_SENT - Indicates that the data was put on the wire.
+ * Note that this does not necessarily mean that the
+ * data was (or was not) successfully delivered.
+ */
+enum sctp_ssf_flags {
+ SCTP_DATA_UNSENT,
+ SCTP_DATA_SENT,
+};
+
+/*
+ * 5.3.1.5 SCTP_SHUTDOWN_EVENT
+ *
+ * When a peer sends a SHUTDOWN, SCTP delivers this notification to
+ * inform the application that it should cease sending data.
+ */
+struct sctp_shutdown_event {
+ __u16 sse_type;
+ __u16 sse_flags;
+ __u32 sse_length;
+ sctp_assoc_t sse_assoc_id;
+};
+
+/*
+ * 5.3.1.6 SCTP_ADAPTATION_INDICATION
+ *
+ * When a peer sends a Adaptation Layer Indication parameter , SCTP
+ * delivers this notification to inform the application
+ * that of the peers requested adaptation layer.
+ */
+struct sctp_adaptation_event {
+ __u16 sai_type;
+ __u16 sai_flags;
+ __u32 sai_length;
+ __u32 sai_adaptation_ind;
+ sctp_assoc_t sai_assoc_id;
+};
+
+/*
+ * 5.3.1.7 SCTP_PARTIAL_DELIVERY_EVENT
+ *
+ * When a receiver is engaged in a partial delivery of a
+ * message this notification will be used to indicate
+ * various events.
+ */
+struct sctp_pdapi_event {
+ __u16 pdapi_type;
+ __u16 pdapi_flags;
+ __u32 pdapi_length;
+ __u32 pdapi_indication;
+ sctp_assoc_t pdapi_assoc_id;
+};
+
+enum { SCTP_PARTIAL_DELIVERY_ABORTED=0, };
+
+/*
+* 5.3.1.8. SCTP_AUTHENTICATION_EVENT
+*
+* When a receiver is using authentication this message will provide
+* notifications regarding new keys being made active as well as errors.
+*/
+
+struct sctp_authkey_event {
+ __u16 auth_type;
+ __u16 auth_flags;
+ __u32 auth_length;
+ __u16 auth_keynumber;
+ __u16 auth_altkeynumber;
+ __u32 auth_indication;
+ sctp_assoc_t auth_assoc_id;
+};
+
+enum { SCTP_AUTH_NEWKEY = 0, };
+
+
+/*
+ * Described in Section 7.3
+ * Ancillary Data and Notification Interest Options
+ */
+struct sctp_event_subscribe {
+ __u8 sctp_data_io_event;
+ __u8 sctp_association_event;
+ __u8 sctp_address_event;
+ __u8 sctp_send_failure_event;
+ __u8 sctp_peer_error_event;
+ __u8 sctp_shutdown_event;
+ __u8 sctp_partial_delivery_event;
+ __u8 sctp_adaptation_layer_event;
+ __u8 sctp_authentication_event;
+};
+
+/*
+ * 5.3.1 SCTP Notification Structure
+ *
+ * The notification structure is defined as the union of all
+ * notification types.
+ *
+ */
+union sctp_notification {
+ struct {
+ __u16 sn_type; /* Notification type. */
+ __u16 sn_flags;
+ __u32 sn_length;
+ } sn_header;
+ struct sctp_assoc_change sn_assoc_change;
+ struct sctp_paddr_change sn_paddr_change;
+ struct sctp_remote_error sn_remote_error;
+ struct sctp_send_failed sn_send_failed;
+ struct sctp_shutdown_event sn_shutdown_event;
+ struct sctp_adaptation_event sn_adaptation_event;
+ struct sctp_pdapi_event sn_pdapi_event;
+ struct sctp_authkey_event sn_authkey_event;
+};
+
+/* Section 5.3.1
+ * All standard values for sn_type flags are greater than 2^15.
+ * Values from 2^15 and down are reserved.
+ */
+
+enum sctp_sn_type {
+ SCTP_SN_TYPE_BASE = (1<<15),
+ SCTP_ASSOC_CHANGE,
+ SCTP_PEER_ADDR_CHANGE,
+ SCTP_SEND_FAILED,
+ SCTP_REMOTE_ERROR,
+ SCTP_SHUTDOWN_EVENT,
+ SCTP_PARTIAL_DELIVERY_EVENT,
+ SCTP_ADAPTATION_INDICATION,
+ SCTP_AUTHENTICATION_INDICATION,
+};
+
+/* Notification error codes used to fill up the error fields in some
+ * notifications.
+ * SCTP_PEER_ADDRESS_CHAGE : spc_error
+ * SCTP_ASSOC_CHANGE : sac_error
+ * These names should be potentially included in the draft 04 of the SCTP
+ * sockets API specification.
+ */
+typedef enum sctp_sn_error {
+ SCTP_FAILED_THRESHOLD,
+ SCTP_RECEIVED_SACK,
+ SCTP_HEARTBEAT_SUCCESS,
+ SCTP_RESPONSE_TO_USER_REQ,
+ SCTP_INTERNAL_ERROR,
+ SCTP_SHUTDOWN_GUARD_EXPIRES,
+ SCTP_PEER_FAULTY,
+} sctp_sn_error_t;
+
+/*
+ * 7.1.1 Retransmission Timeout Parameters (SCTP_RTOINFO)
+ *
+ * The protocol parameters used to initialize and bound retransmission
+ * timeout (RTO) are tunable. See [SCTP] for more information on how
+ * these parameters are used in RTO calculation.
+ */
+struct sctp_rtoinfo {
+ sctp_assoc_t srto_assoc_id;
+ __u32 srto_initial;
+ __u32 srto_max;
+ __u32 srto_min;
+};
+
+/*
+ * 7.1.2 Association Parameters (SCTP_ASSOCINFO)
+ *
+ * This option is used to both examine and set various association and
+ * endpoint parameters.
+ */
+struct sctp_assocparams {
+ sctp_assoc_t sasoc_assoc_id;
+ __u16 sasoc_asocmaxrxt;
+ __u16 sasoc_number_peer_destinations;
+ __u32 sasoc_peer_rwnd;
+ __u32 sasoc_local_rwnd;
+ __u32 sasoc_cookie_life;
+};
+
+/*
+ * 7.1.9 Set Peer Primary Address (SCTP_SET_PEER_PRIMARY_ADDR)
+ *
+ * Requests that the peer mark the enclosed address as the association
+ * primary. The enclosed address must be one of the association's
+ * locally bound addresses. The following structure is used to make a
+ * set primary request:
+ */
+struct sctp_setpeerprim {
+ sctp_assoc_t sspp_assoc_id;
+ struct sockaddr_storage sspp_addr;
+} __attribute__((packed, aligned(4)));
+
+/*
+ * 7.1.10 Set Primary Address (SCTP_PRIMARY_ADDR)
+ *
+ * Requests that the local SCTP stack use the enclosed peer address as
+ * the association primary. The enclosed address must be one of the
+ * association peer's addresses. The following structure is used to
+ * make a set peer primary request:
+ */
+struct sctp_setprim {
+ sctp_assoc_t ssp_assoc_id;
+ struct sockaddr_storage ssp_addr;
+} __attribute__((packed, aligned(4)));
+
+/* For backward compatibility use, define the old name too */
+#define sctp_prim sctp_setprim
+
+/*
+ * 7.1.11 Set Adaptation Layer Indicator (SCTP_ADAPTATION_LAYER)
+ *
+ * Requests that the local endpoint set the specified Adaptation Layer
+ * Indication parameter for all future INIT and INIT-ACK exchanges.
+ */
+struct sctp_setadaptation {
+ __u32 ssb_adaptation_ind;
+};
+
+/*
+ * 7.1.13 Peer Address Parameters (SCTP_PEER_ADDR_PARAMS)
+ *
+ * Applications can enable or disable heartbeats for any peer address
+ * of an association, modify an address's heartbeat interval, force a
+ * heartbeat to be sent immediately, and adjust the address's maximum
+ * number of retransmissions sent before an address is considered
+ * unreachable. The following structure is used to access and modify an
+ * address's parameters:
+ */
+enum sctp_spp_flags {
+ SPP_HB_ENABLE = 1<<0, /*Enable heartbeats*/
+ SPP_HB_DISABLE = 1<<1, /*Disable heartbeats*/
+ SPP_HB = SPP_HB_ENABLE | SPP_HB_DISABLE,
+ SPP_HB_DEMAND = 1<<2, /*Send heartbeat immediately*/
+ SPP_PMTUD_ENABLE = 1<<3, /*Enable PMTU discovery*/
+ SPP_PMTUD_DISABLE = 1<<4, /*Disable PMTU discovery*/
+ SPP_PMTUD = SPP_PMTUD_ENABLE | SPP_PMTUD_DISABLE,
+ SPP_SACKDELAY_ENABLE = 1<<5, /*Enable SACK*/
+ SPP_SACKDELAY_DISABLE = 1<<6, /*Disable SACK*/
+ SPP_SACKDELAY = SPP_SACKDELAY_ENABLE | SPP_SACKDELAY_DISABLE,
+ SPP_HB_TIME_IS_ZERO = 1<<7, /* Set HB delay to 0 */
+};
+
+struct sctp_paddrparams {
+ sctp_assoc_t spp_assoc_id;
+ struct sockaddr_storage spp_address;
+ __u32 spp_hbinterval;
+ __u16 spp_pathmaxrxt;
+ __u32 spp_pathmtu;
+ __u32 spp_sackdelay;
+ __u32 spp_flags;
+} __attribute__((packed, aligned(4)));
+
+/*
+ * 7.1.18. Add a chunk that must be authenticated (SCTP_AUTH_CHUNK)
+ *
+ * This set option adds a chunk type that the user is requesting to be
+ * received only in an authenticated way. Changes to the list of chunks
+ * will only effect future associations on the socket.
+ */
+struct sctp_authchunk {
+ __u8 sauth_chunk;
+};
+
+/*
+ * 7.1.19. Get or set the list of supported HMAC Identifiers (SCTP_HMAC_IDENT)
+ *
+ * This option gets or sets the list of HMAC algorithms that the local
+ * endpoint requires the peer to use.
+*/
+
+enum {
+ SCTP_AUTH_HMAC_ID_SHA1 = 1,
+ SCTP_AUTH_HMAC_ID_SHA256 = 3,
+};
+
+struct sctp_hmacalgo {
+ __u32 shmac_number_of_idents;
+ __u16 shmac_idents[];
+};
+
+/*
+ * 7.1.20. Set a shared key (SCTP_AUTH_KEY)
+ *
+ * This option will set a shared secret key which is used to build an
+ * association shared key.
+ */
+struct sctp_authkey {
+ sctp_assoc_t sca_assoc_id;
+ __u16 sca_keynumber;
+ __u16 sca_keylength;
+ __u8 sca_key[];
+};
+
+/*
+ * 7.1.21. Get or set the active shared key (SCTP_AUTH_ACTIVE_KEY)
+ *
+ * This option will get or set the active shared key to be used to build
+ * the association shared key.
+ */
+
+struct sctp_authkeyid {
+ sctp_assoc_t scact_assoc_id;
+ __u16 scact_keynumber;
+};
+
+
+/* 7.1.23. Delayed Ack Timer (SCTP_DELAYED_ACK_TIME)
+ *
+ * This options will get or set the delayed ack timer. The time is set
+ * in milliseconds. If the assoc_id is 0, then this sets or gets the
+ * endpoints default delayed ack timer value. If the assoc_id field is
+ * non-zero, then the set or get effects the specified association.
+ */
+struct sctp_assoc_value {
+ sctp_assoc_t assoc_id;
+ uint32_t assoc_value;
+};
+
+/*
+ * 7.2.2 Peer Address Information
+ *
+ * Applications can retrieve information about a specific peer address
+ * of an association, including its reachability state, congestion
+ * window, and retransmission timer values. This information is
+ * read-only. The following structure is used to access this
+ * information:
+ */
+struct sctp_paddrinfo {
+ sctp_assoc_t spinfo_assoc_id;
+ struct sockaddr_storage spinfo_address;
+ __s32 spinfo_state;
+ __u32 spinfo_cwnd;
+ __u32 spinfo_srtt;
+ __u32 spinfo_rto;
+ __u32 spinfo_mtu;
+} __attribute__((packed, aligned(4)));
+
+/* Peer addresses's state. */
+/* UNKNOWN: Peer address passed by the upper layer in sendmsg or connect[x]
+ * calls.
+ * UNCONFIRMED: Peer address received in INIT/INIT-ACK address parameters.
+ * Not yet confirmed by a heartbeat and not available for data
+ * transfers.
+ * ACTIVE : Peer address confirmed, active and available for data transfers.
+ * INACTIVE: Peer address inactive and not available for data transfers.
+ */
+enum sctp_spinfo_state {
+ SCTP_INACTIVE,
+ SCTP_ACTIVE,
+ SCTP_UNCONFIRMED
+};
+
+/*
+ * 7.2.1 Association Status (SCTP_STATUS)
+ *
+ * Applications can retrieve current status information about an
+ * association, including association state, peer receiver window size,
+ * number of unacked data chunks, and number of data chunks pending
+ * receipt. This information is read-only. The following structure is
+ * used to access this information:
+ */
+struct sctp_status {
+ sctp_assoc_t sstat_assoc_id;
+ __s32 sstat_state;
+ __u32 sstat_rwnd;
+ __u16 sstat_unackdata;
+ __u16 sstat_penddata;
+ __u16 sstat_instrms;
+ __u16 sstat_outstrms;
+ __u32 sstat_fragmentation_point;
+ struct sctp_paddrinfo sstat_primary;
+};
+
+/*
+ * 7.2.3. Get the list of chunks the peer requires to be authenticated
+ * (SCTP_PEER_AUTH_CHUNKS)
+ *
+ * This option gets a list of chunks for a specified association that
+ * the peer requires to be received authenticated only.
+ */
+struct sctp_authchunks {
+ sctp_assoc_t gauth_assoc_id;
+ __u32 guth_number_of_chunks;
+ uint8_t gauth_chunks[];
+};
+
+/* Association states. */
+enum sctp_sstat_state {
+ SCTP_EMPTY = 0,
+ SCTP_CLOSED = 1,
+ SCTP_COOKIE_WAIT = 2,
+ SCTP_COOKIE_ECHOED = 3,
+ SCTP_ESTABLISHED = 4,
+ SCTP_SHUTDOWN_PENDING = 5,
+ SCTP_SHUTDOWN_SENT = 6,
+ SCTP_SHUTDOWN_RECEIVED = 7,
+ SCTP_SHUTDOWN_ACK_SENT = 8,
+};
+
+/*
+ * 8.3, 8.5 get all peer/local addresses in an association.
+ * This parameter struct is used by SCTP_GET_PEER_ADDRS and
+ * SCTP_GET_LOCAL_ADDRS socket options used internally to implement
+ * sctp_getpaddrs() and sctp_getladdrs() API.
+ */
+struct sctp_getaddrs_old {
+ sctp_assoc_t assoc_id;
+ int addr_num;
+ struct sockaddr *addrs;
+};
+struct sctp_getaddrs {
+ sctp_assoc_t assoc_id; /*input*/
+ __u32 addr_num; /*output*/
+ __u8 addrs[0]; /*output, variable size*/
+};
+
+/* These are bit fields for msghdr->msg_flags. See section 5.1. */
+/* On user space Linux, these live in <bits/socket.h> as an enum. */
+enum sctp_msg_flags {
+ MSG_NOTIFICATION = 0x8000,
+#define MSG_NOTIFICATION MSG_NOTIFICATION
+};
+
+/*
+ * 8.1 sctp_bindx()
+ *
+ * The flags parameter is formed from the bitwise OR of zero or more of the
+ * following currently defined flags:
+ */
+#define SCTP_BINDX_ADD_ADDR 0x01
+#define SCTP_BINDX_REM_ADDR 0x02
+
+/* This is the structure that is passed as an argument(optval) to
+ * getsockopt(SCTP_SOCKOPT_PEELOFF).
+ */
+typedef struct {
+ sctp_assoc_t associd;
+ int sd;
+} sctp_peeloff_arg_t;
+
+
+int sctp_bindx(int sd, struct sockaddr *addrs, int addrcnt, int flags);
+
+int sctp_connectx(int sd, struct sockaddr *addrs, int addrcnt,
+ sctp_assoc_t *id);
+
+int sctp_peeloff(int sd, sctp_assoc_t assoc_id);
+
+/* Prototype for the library function sctp_opt_info defined in
+ * API 7. Socket Options.
+ */
+int sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t *size);
+
+/* Get all peer address on a socket. This is a new SCTP API
+ * described in the section 8.3 of the Sockets API Extensions for SCTP.
+ * This is implemented using the getsockopt() interface.
+ */
+int sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **addrs);
+
+/* Frees all resources allocated by sctp_getpaddrs(). This is a new SCTP API
+ * described in the section 8.4 of the Sockets API Extensions for SCTP.
+ */
+int sctp_freepaddrs(struct sockaddr *addrs);
+
+/* Get all locally bound address on a socket. This is a new SCTP API
+ * described in the section 8.5 of the Sockets API Extensions for SCTP.
+ * This is implemented using the getsockopt() interface.
+ */
+int sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **addrs);
+
+/* Frees all resources allocated by sctp_getladdrs(). This is a new SCTP API
+ * described in the section 8.6 of the Sockets API Extensions for SCTP.
+ */
+int sctp_freeladdrs(struct sockaddr *addrs);
+
+/* This library function assists the user with the advanced features
+ * of SCTP. This is a new SCTP API described in the section 8.7 of the
+ * Sockets API Extensions for SCTP. This is implemented using the
+ * sendmsg() interface.
+ */
+int sctp_sendmsg(int s, const void *msg, size_t len, struct sockaddr *to,
+ socklen_t tolen, uint32_t ppid, uint32_t flags,
+ uint16_t stream_no, uint32_t timetolive, uint32_t context);
+
+/* This library function assist the user with sending a message without
+ * dealing directly with the CMSG header.
+ */
+int sctp_send(int s, const void *msg, size_t len,
+ const struct sctp_sndrcvinfo *sinfo, int flags);
+
+/* This library function assists the user with the advanced features
+ * of SCTP. This is a new SCTP API described in the section 8.8 of the
+ * Sockets API Extensions for SCTP. This is implemented using the
+ * recvmsg() interface.
+ */
+int sctp_recvmsg(int s, void *msg, size_t len, struct sockaddr *from,
+ socklen_t *fromlen, struct sctp_sndrcvinfo *sinfo,
+ int *msg_flags);
+
+/* Return the address length for an address family. */
+int sctp_getaddrlen(sa_family_t family);
+
+__END_DECLS
+
+#endif /* __linux_sctp_h__ */
--- /dev/null
+# Include these two in all the Makefile.am's!!!
+include $(top_srcdir)/Makefile.vars
+include $(top_srcdir)/Makefile.rules
+
+include $(top_srcdir)/Makefile.dirs
+
+# General compilation flags
+INCLUDES = -I$(top_srcdir)/src/include
+
+lib_LTLIBRARIES = libsctp.la
+libsctp_la_SOURCES = bindx.c connectx.c peeloff.c opt_info.c addrs.c sendmsg.c recvmsg.c Versions.map
+libsctp_la_LDFLAGS = -version-info 1:10:0 -Wl,--version-script=Versions.map
--- /dev/null
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# -*-makefile-*-
+#
+# type: deep, strictness: gnu
+
+# -*-makefile-*-
+#
+# Define here directories you want
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+top_builddir = ../..
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+INSTALL = @INSTALL@
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+ $(top_srcdir)/Makefile.dirs $(top_srcdir)/Makefile.rules \
+ $(top_srcdir)/Makefile.vars
+subdir = src/lib
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+ $(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+ $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+ *) f=$$p;; \
+ esac;
+am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
+am__installdirs = "$(DESTDIR)$(libdir)"
+libLTLIBRARIES_INSTALL = $(INSTALL)
+LTLIBRARIES = $(lib_LTLIBRARIES)
+libsctp_la_LIBADD =
+am_libsctp_la_OBJECTS = bindx.lo connectx.lo peeloff.lo opt_info.lo \
+ addrs.lo sendmsg.lo recvmsg.lo
+libsctp_la_OBJECTS = $(am_libsctp_la_OBJECTS)
+DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/bin/depcomp
+am__depfiles_maybe = depfiles
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) \
+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+ $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(AM_LDFLAGS) $(LDFLAGS) -o $@
+SOURCES = $(libsctp_la_SOURCES)
+DIST_SOURCES = $(libsctp_la_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+AMDEP_FALSE = @AMDEP_FALSE@
+AMDEP_TRUE = @AMDEP_TRUE@
+AMTAR = @AMTAR@
+AR = @AR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
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+CFLAGS = @CFLAGS@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CXX = @CXX@
+CXXCPP = @CXXCPP@
+CXXDEPMODE = @CXXDEPMODE@
+CXXFLAGS = @CXXFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+DSYMUTIL = @DSYMUTIL@
+ECHO = @ECHO@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+F77 = @F77@
+FFLAGS = @FFLAGS@
+GREP = @GREP@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIBTOOL_DEPS = @LIBTOOL_DEPS@
+LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+NMEDIT = @NMEDIT@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_CXX = @ac_ct_CXX@
+ac_ct_F77 = @ac_ct_F77@
+am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
+am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
+am__fastdepCXX_FALSE = @am__fastdepCXX_FALSE@
+am__fastdepCXX_TRUE = @am__fastdepCXX_TRUE@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = $(datadir)/locale
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+MAINTAINERCLEANFILES = Makefile.in directories.h
+DISTCLEANFILES = \\\ directories.h
+CLEANFILES =
+MOSTLYCLEANFILES = *~ *.[aios] *.bak *.ci *.io
+EXTRA_DIST =
+LATEX = @LATEX@
+DVIPS = @DVIPS@
+DVIPDFM = @DVIPDFM@
+ENSCRIPTBIN = @ENSCRIPTBIN@
+PS2PDF = @PS2PDF@
+edit = @sed \
+ -e "s|\@bindir\@|$(bindir)|" \
+ -e "s|\@libdir\@|$(libdir)|" \
+ -e "s|\@PACKAGE\@|$(PACKAGE)|"
+
+rootbindir = /bin
+rootsbindir = /sbin
+rootlibdir = /lib
+pkgsysconfdir = $(sysconfdir)/@PACKAGE@
+pkgdocdir = $(datadir)/@PACKAGE@
+vpkgsysconfdir = $(pkgsysconfdir)/v@VERSION@
+vpkgdatadir = $(pkgdatadir)/v@VERSION@
+vpkglibdir = $(pkglibdir)/v@VERSION@
+vpkgdocdir = $(docdir)/v@VERSION@
+
+# List here all the directories you want listed in the file to be used
+# in your programs:
+directories := \
+ localedir \
+ pkgsysconfdir \
+ rootbindir \
+ rootlibdir \
+ rootsbindir \
+ vpkgdatadir \
+ vpkgdocdir \
+ vpkglibdir \
+ vpkgsysconfdir \
+ \
+ bindir \
+ datadir \
+ libdir \
+ pkgdatadir \
+ pkgdocdir \
+ pkglibdir \
+ sbindir
+
+
+# Include these two in all the Makefile.am's!!!
+
+# General compilation flags
+INCLUDES = -I$(top_srcdir)/src/include
+lib_LTLIBRARIES = libsctp.la
+libsctp_la_SOURCES = bindx.c connectx.c peeloff.c opt_info.c addrs.c sendmsg.c recvmsg.c Versions.map
+libsctp_la_LDFLAGS = -version-info 1:10:0 -Wl,--version-script=Versions.map
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(top_srcdir)/Makefile.vars $(top_srcdir)/Makefile.rules $(top_srcdir)/Makefile.dirs $(am__configure_deps)
+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
+ *$$dep*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+ && exit 0; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/lib/Makefile'; \
+ cd $(top_srcdir) && \
+ $(AUTOMAKE) --foreign src/lib/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
+ *config.status*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+ *) \
+ echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+ cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+ esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: $(am__configure_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): $(am__aclocal_m4_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+install-libLTLIBRARIES: $(lib_LTLIBRARIES)
+ @$(NORMAL_INSTALL)
+ test -z "$(libdir)" || $(mkdir_p) "$(DESTDIR)$(libdir)"
+ @list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+ if test -f $$p; then \
+ f=$(am__strip_dir) \
+ echo " $(LIBTOOL) --mode=install $(libLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(libdir)/$$f'"; \
+ $(LIBTOOL) --mode=install $(libLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) "$$p" "$(DESTDIR)$(libdir)/$$f"; \
+ else :; fi; \
+ done
+
+uninstall-libLTLIBRARIES:
+ @$(NORMAL_UNINSTALL)
+ @set -x; list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+ p=$(am__strip_dir) \
+ echo " $(LIBTOOL) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$p'"; \
+ $(LIBTOOL) --mode=uninstall rm -f "$(DESTDIR)$(libdir)/$$p"; \
+ done
+
+clean-libLTLIBRARIES:
+ -test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES)
+ @list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+ dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+ test "$$dir" != "$$p" || dir=.; \
+ echo "rm -f \"$${dir}/so_locations\""; \
+ rm -f "$${dir}/so_locations"; \
+ done
+libsctp.la: $(libsctp_la_OBJECTS) $(libsctp_la_DEPENDENCIES)
+ $(LINK) -rpath $(libdir) $(libsctp_la_LDFLAGS) $(libsctp_la_OBJECTS) $(libsctp_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+ -rm -f *.$(OBJEXT)
+
+distclean-compile:
+ -rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/addrs.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bindx.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/connectx.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/opt_info.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/peeloff.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/recvmsg.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sendmsg.Plo@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@ if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ $<; \
+@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Po"; else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(COMPILE) -c $<
+
+.c.obj:
+@am__fastdepCC_TRUE@ if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ `$(CYGPATH_W) '$<'`; \
+@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Po"; else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(COMPILE) -c `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@ if $(LTCOMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ $<; \
+@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Plo"; else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+
+distclean-libtool:
+ -rm -f libtool
+uninstall-info-am:
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ tags=; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$tags $$unique; \
+ fi
+ctags: CTAGS
+CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ tags=; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ test -z "$(CTAGS_ARGS)$$tags$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$tags $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && cd $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ $(mkdir_p) $(distdir)/../..
+ @srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
+ list='$(DISTFILES)'; for file in $$list; do \
+ case $$file in \
+ $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+ $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
+ esac; \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test "$$dir" != "$$file" && test "$$dir" != "."; then \
+ dir="/$$dir"; \
+ $(mkdir_p) "$(distdir)$$dir"; \
+ else \
+ dir=''; \
+ fi; \
+ if test -d $$d/$$file; then \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+ fi; \
+ cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+ else \
+ test -f $(distdir)/$$file \
+ || cp -p $$d/$$file $(distdir)/$$file \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+ for dir in "$(DESTDIR)$(libdir)"; do \
+ test -z "$$dir" || $(mkdir_p) "$$dir"; \
+ done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ `test -z '$(STRIP)' || \
+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+ -test -z "$(MOSTLYCLEANFILES)" || rm -f $(MOSTLYCLEANFILES)
+
+clean-generic:
+ -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+ -test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libLTLIBRARIES clean-libtool \
+ mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-libtool distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-exec-am: install-libLTLIBRARIES
+
+install-info: install-info-am
+
+install-man:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-info-am uninstall-libLTLIBRARIES
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libLTLIBRARIES clean-libtool ctags distclean \
+ distclean-compile distclean-generic distclean-libtool \
+ distclean-tags distdir dvi dvi-am html html-am info info-am \
+ install install-am install-data install-data-am install-exec \
+ install-exec-am install-info install-info-am \
+ install-libLTLIBRARIES install-man install-strip installcheck \
+ installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ tags uninstall uninstall-am uninstall-info-am \
+ uninstall-libLTLIBRARIES
+
+
+# -*-makefile-*-
+#
+# Generate pre-parsed C code.
+%.i: %.c
+ $(COMPILE) -E -c $^ -o $@
+
+.PRECIOUS: %.i
+%.ci: %.i
+ -grep -v -e "^#" -e "^ *$$" $^ | indent > $@
+ mv -f $@ $^
+
+# To modify this target for another language, just copy, paste and
+# modify the target to generate directories.h. We depend on
+# config.status and Makefile.dirs, as anything changed is going to be
+# reflected there.
+
+# This is for generating the list in C/C++
+directories.h: $(top_builddir)/config.status $(top_srcdir)/Makefile.dirs
+ @rm -f $@
+ @echo -n "Creating $@ ..."
+ @echo "#ifndef __$(subst .,_,$@)__" > $@
+ @echo "# define __$(subst .,_,$@)__" >> $@
+ @echo "" >> $@
+ @echo -e $(foreach v,$(directories),$(shell echo 'D_$(v) \"$($v)\"\\n')) \
+ | sed 's/^ *D_/# define D_/' >> $@
+ @echo "#endif" >> $@
+ @echo " done"
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
--- /dev/null
+VERS_1 {
+ global:
+ sctp_getpaddrs;
+ sctp_freepaddrs;
+ sctp_getladdrs;
+ sctp_freeladdrs;
+ sctp_getaddrlen;
+ sctp_bindx;
+ sctp_connectx;
+ sctp_opt_info;
+ sctp_peeloff;
+ sctp_recvmsg;
+ sctp_sendmsg;
+ sctp_send;
+
+ local:
+ *;
+};
+
+VERS_2 {
+ global: sctp_connectx;
+} VERS_1;
--- /dev/null
+/* SCTP kernel Implementation: User API extensions.
+ *
+ * addrs.c
+ *
+ * Distributed under the terms of the LGPL v2.1 as described in
+ * http://www.gnu.org/copyleft/lesser.txt
+ *
+ * This file is part of the user library that offers support for the
+ * SCTP kernel Implementation. The main purpose of this
+ * code is to provide the SCTP Socket API mappings for user
+ * application to interface with the SCTP in kernel.
+ *
+ * This implementation is based on the Socket API Extensions for SCTP
+ * defined in <draft-ietf-tsvwg-sctpsocket-10.txt.
+ *
+ * (C) Copyright IBM Corp. 2003
+ * Copyright (c) 2001-2002 Intel Corp.
+ *
+ * Written or modified by:
+ * Ardelle Fan <ardelle.fan@intel.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ * Ivan Skytte Jørgensen <isj-sctp@i1.dk>
+ */
+
+#include <malloc.h>
+#include <netinet/in.h>
+#include <netinet/sctp.h>
+#include <string.h>
+#include <errno.h>
+
+/*
+ * Get local/peer addresses using the old API
+ * Old kernels (2.6.13 and earlier) only support this API but it breaks 32-bit
+ * programs on 64-bit kernels.
+ */
+static int
+sctp_getaddrs_old(int sd, sctp_assoc_t id, int optname_num, int optname_old,
+ struct sockaddr **addrs)
+{
+ socklen_t len = sizeof(sctp_assoc_t);
+ int cnt, err;
+ struct sctp_getaddrs_old getaddrs;
+
+ cnt = getsockopt(sd, SOL_SCTP, optname_num, &id, &len);
+ if (cnt < 0)
+ return -1;
+
+ if (0 == cnt) {
+ *addrs = NULL;
+ return 0;
+ }
+
+ len = cnt * sizeof(struct sockaddr_in6);
+
+ getaddrs.assoc_id = id;
+ getaddrs.addr_num = cnt;
+ getaddrs.addrs = (struct sockaddr *)malloc(len);
+ if (NULL == getaddrs.addrs)
+ return -1;
+
+ len = sizeof(getaddrs);
+ err = getsockopt(sd, SOL_SCTP, optname_old, &getaddrs, &len);
+ if (err < 0) {
+ free(getaddrs.addrs);
+ return -1;
+ }
+
+ *addrs = getaddrs.addrs;
+
+ return getaddrs.addr_num;
+
+} /* sctp_getaddrs_old() */
+
+/*
+ * Common getsockopt() layer
+ * If the NEW getsockopt() API fails this function will fall back to using
+ * the old API
+ */
+static int
+sctp_getaddrs(int sd, sctp_assoc_t id,
+ int optname_new, int optname_num_old, int optname_old,
+ struct sockaddr **addrs)
+{
+ int cnt, err;
+ socklen_t len;
+ size_t bufsize = 4096; /*enough for most cases*/
+
+ struct sctp_getaddrs *getaddrs = (struct sctp_getaddrs*)malloc(bufsize);
+ if(!getaddrs)
+ return -1;
+
+ for(;;) {
+ char *new_buf;
+
+ len = bufsize;
+ getaddrs->assoc_id = id;
+ err = getsockopt(sd, SOL_SCTP, optname_new, getaddrs, &len);
+ if (err == 0) {
+ /*got it*/
+ break;
+ }
+ if (errno == ENOPROTOOPT) {
+ /*Kernel does not support new API*/
+ free(getaddrs);
+ return sctp_getaddrs_old(sd, id,
+ optname_num_old, optname_old,
+ addrs);
+ }
+ if (errno != ENOMEM ) {
+ /*unknown error*/
+ free(getaddrs);
+ return -1;
+ }
+ /*expand buffer*/
+ if (bufsize > 128*1024) {
+ /*this is getting ridiculous*/
+ free(getaddrs);
+ errno = ENOBUFS;
+ return -1;
+ }
+ new_buf = realloc(getaddrs, bufsize+4096);
+ if (!new_buf) {
+ free(getaddrs);
+ return -1;
+ }
+ bufsize += 4096;
+ getaddrs = (struct sctp_getaddrs*)new_buf;
+ }
+
+ /* we skip traversing the list, allocating a new buffer etc. and enjoy
+ * a simple hack*/
+ cnt = getaddrs->addr_num;
+ memmove(getaddrs, getaddrs + 1, len);
+ *addrs = (struct sockaddr*)getaddrs;
+
+ return cnt;
+} /* sctp_getaddrs() */
+
+/* Get all peer address on a socket. This is a new SCTP API
+ * described in the section 8.3 of the Sockets API Extensions for SCTP.
+ * This is implemented using the getsockopt() interface.
+ */
+int
+sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **addrs)
+{
+ return sctp_getaddrs(sd, id,
+ SCTP_GET_PEER_ADDRS,
+ SCTP_GET_PEER_ADDRS_NUM_OLD,
+ SCTP_GET_PEER_ADDRS_OLD,
+ addrs);
+} /* sctp_getpaddrs() */
+
+/* Frees all resources allocated by sctp_getpaddrs(). This is a new SCTP API
+ * described in the section 8.4 of the Sockets API Extensions for SCTP.
+ */
+int
+sctp_freepaddrs(struct sockaddr *addrs)
+{
+ free(addrs);
+ return 0;
+
+} /* sctp_freepaddrs() */
+
+/* Get all locally bound address on a socket. This is a new SCTP API
+ * described in the section 8.5 of the Sockets API Extensions for SCTP.
+ * This is implemented using the getsockopt() interface.
+ */
+int
+sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **addrs)
+{
+ return sctp_getaddrs(sd, id,
+ SCTP_GET_LOCAL_ADDRS,
+ SCTP_GET_LOCAL_ADDRS_NUM_OLD,
+ SCTP_GET_LOCAL_ADDRS_OLD,
+ addrs);
+} /* sctp_getladdrs() */
+
+/* Frees all resources allocated by sctp_getladdrs(). This is a new SCTP API
+ * described in the section 8.6 of the Sockets API Extensions for SCTP.
+ */
+int
+sctp_freeladdrs(struct sockaddr *addrs)
+{
+ free(addrs);
+ return 0;
+
+} /* sctp_freeladdrs() */
+
+int
+sctp_getaddrlen(sa_family_t family)
+{
+ /* We could call into the kernel to see what it thinks the size should
+ * be, but hardcoding the address families here is: (a) faster,
+ * (b) easier, and (c) probably good enough for forseeable future.
+ */
+ switch(family) {
+ case AF_INET:
+ return sizeof(struct sockaddr_in);
+ case AF_INET6:
+ return sizeof(struct sockaddr_in6);
+ default:
+ /* Currently there is no defined error handling in
+ * draft-ietf-tsvwg-sctpsocket-13.txt.
+ * -1 might cause the application to overwrite buffer
+ * or misinterpret data. 0 is more likely to cause
+ * an endless loop.
+ */
+ return 0;
+ }
+}
--- /dev/null
+/* SCTP kernel Implementation: User API extensions.
+ *
+ * bindx.c
+ *
+ * Distributed under the terms of the LGPL v2.1 as described in
+ * http://www.gnu.org/copyleft/lesser.txt
+ *
+ * This file is part of the user library that offers support for the
+ * SCTP kernel Implementation. The main purpose of this
+ * code is to provide the SCTP Socket API mappings for user
+ * application to interface with the SCTP in kernel.
+ *
+ * This implementation is based on the Socket API Extensions for SCTP
+ * defined in <draft-ietf-tsvwg-sctpsocket-10.txt.
+ *
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (c) 2002 Intel Corporation.
+ *
+ * Written or modified by:
+ * La Monte H.P. Yarroll <piggy@acm.org>
+ * Daisy Chang <daisyc@us.ibm.com>
+ * Inaky Perez-Gonzalez <inaky.gonzalez@intel.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+#include <sys/socket.h> /* struct sockaddr_storage, setsockopt() */
+#include <netinet/in.h>
+#include <netinet/sctp.h> /* SCTP_SOCKOPT_BINDX_* */
+#include <errno.h>
+
+/* Support the sctp_bindx() interface.
+ *
+ * See Sockets API Extensions for SCTP. Section 8.1.
+ *
+ * Instead of implementing through a socket call in sys_socketcall(),
+ * tunnel the request through setsockopt().
+ */
+int
+sctp_bindx(int fd, struct sockaddr *addrs, int addrcnt, int flags)
+{
+ int setsock_option = 0;
+ void *addrbuf;
+ struct sockaddr *sa_addr;
+ socklen_t addrs_size = 0;
+ int i;
+
+ switch (flags) {
+ case SCTP_BINDX_ADD_ADDR:
+ setsock_option = SCTP_SOCKOPT_BINDX_ADD;
+ break;
+ case SCTP_BINDX_REM_ADDR:
+ setsock_option = SCTP_SOCKOPT_BINDX_REM;
+ break;
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+
+ addrbuf = addrs;
+ for (i = 0; i < addrcnt; i++) {
+ sa_addr = (struct sockaddr *)addrbuf;
+ switch (sa_addr->sa_family) {
+ case AF_INET:
+ addrs_size += sizeof(struct sockaddr_in);
+ addrbuf += sizeof(struct sockaddr_in);
+ break;
+ case AF_INET6:
+ addrs_size += sizeof(struct sockaddr_in6);
+ addrbuf += sizeof(struct sockaddr_in6);
+ break;
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+ }
+
+ return setsockopt(fd, SOL_SCTP, setsock_option, addrs, addrs_size);
+}
--- /dev/null
+/* SCTP kernel Implementation: User API extensions.
+ *
+ * connectx.c
+ *
+ * Distributed under the terms of the LGPL v2.1 as described in
+ * http://www.gnu.org/copyleft/lesser.txt.
+ *
+ * This file is part of the user library that offers support for the
+ * SCTP kernel Implementation. The main purpose of this
+ * code is to provide the SCTP Socket API mappings for user
+ * application to interface with the SCTP in kernel.
+ *
+ * This implementation is based on the Socket API Extensions for SCTP
+ * defined in <draft-ietf-tsvwg-sctpsocket-10.txt.
+ *
+ * (C) Copyright IBM Corp. 2001, 2005
+ *
+ * Written or modified by:
+ * Frank Filz <ffilz@us.ibm.com>
+ */
+
+#include <sys/socket.h> /* struct sockaddr_storage, setsockopt() */
+#include <netinet/in.h>
+#include <netinet/sctp.h> /* SCTP_SOCKOPT_CONNECTX_* */
+#include <errno.h>
+#include <stdio.h>
+
+/* Support the sctp_connectx() interface.
+ *
+ * See Sockets API Extensions for SCTP. Section 8.1.
+ *
+ * Instead of implementing through a socket call in sys_socketcall(),
+ * tunnel the request through setsockopt().
+ */
+static int __connectx_addrsize(const struct sockaddr *addrs,
+ const int addrcnt)
+{
+ void *addrbuf;
+ struct sockaddr *sa_addr;
+ int addrs_size = 0;
+ int i;
+
+ addrbuf = addrs;
+ for (i = 0; i < addrcnt; i++) {
+ sa_addr = (struct sockaddr *)addrbuf;
+ switch (sa_addr->sa_family) {
+ case AF_INET:
+ addrs_size += sizeof(struct sockaddr_in);
+ addrbuf += sizeof(struct sockaddr_in);
+ break;
+ case AF_INET6:
+ addrs_size += sizeof(struct sockaddr_in6);
+ addrbuf += sizeof(struct sockaddr_in6);
+ break;
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+ }
+
+ return addrs_size;
+}
+
+
+int __sctp_connectx(int fd, struct sockaddr *addrs, int addrcnt)
+{
+ socklen_t addrs_size = __connectx_addrsize(addrs, addrcnt);
+
+ if (addrs_size < 0)
+ return addrs_size;
+
+ return setsockopt(fd, SOL_SCTP, SCTP_SOCKOPT_CONNECTX_OLD, addrs,
+ addrs_size);
+}
+
+extern int sctp_connectx_orig (int)
+ __attribute ((alias ("__sctp_connectx")));
+
+int sctp_connectx_new(int fd, struct sockaddr *addrs, int addrcnt,
+ sctp_assoc_t *id)
+{
+ socklen_t addrs_size = __connectx_addrsize(addrs, addrcnt);
+ int status;
+
+ if (addrs_size < 0)
+ return addrs_size;
+
+ if (id)
+ *id = 0;
+
+ status = setsockopt(fd, SOL_SCTP, SCTP_SOCKOPT_CONNECTX, addrs,
+ addrs_size);
+
+ /* the kernel doesn't support the new connectx interface */
+ if (status < 0 && errno == ENOPROTOOPT)
+ return setsockopt(fd, SOL_SCTP, SCTP_SOCKOPT_CONNECTX_OLD,
+ addrs, addrs_size);
+
+ /* Normalize status and set association id */
+ if (status > 0) {
+ if (id)
+ *id = status;
+ status = 0;
+ }
+
+ return status;
+}
+
+__asm__(".symver __sctp_connectx, sctp_connectx@");
+__asm__(".symver sctp_connectx_orig, sctp_connectx@VERS_1");
+__asm__(".symver sctp_connectx_new, sctp_connectx@@VERS_2");
--- /dev/null
+/* SCTP kernel Implementation: User API extensions.
+ *
+ * opt_info.c
+ *
+ * Distributed under the terms of the LGPL v2.1 as described in
+ * http://www.gnu.org/copyleft/lesser.txt
+ *
+ * This file is part of the user library that offers support for the
+ * SCTP kernel Implementation. The main purpose of this
+ * code if to provide the SCTP Socket API mappings for user
+ * application to interface with the SCTP in kernel.
+ *
+ * This implementation is based on the Socket API Extensions for SCTP
+ * defined in <draft-ietf-tsvwg-sctpsocket-10.txt.
+ *
+ * (C) Copyright IBM Corp. 2003
+ * Copyright (c) 2002 Intel Corporation.
+ *
+ * Written or modified by:
+ * Ardelle Fan <ardelle.fan@intel.com>
+ */
+
+#include <sys/socket.h> /* struct sockaddr_storage, setsockopt() */
+#include <netinet/sctp.h> /* SCTP_SOCKOPT_BINDX_* */
+#include <errno.h>
+
+/* Support the sctp_opt_info() interface.
+ *
+ * See Sockets API Extensions for SCTP. Section 7.
+ *
+ * Pass sctp option information pass both in to and out of the SCTP stack.
+ * This is a new SCTP API described in the section 7 of the Sockets API
+ * Extensions for SCTP. This is implemented using the getsockopt() interface.
+ */
+int
+sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t *size)
+{
+ switch (opt) {
+ case SCTP_RTOINFO:
+ case SCTP_ASSOCINFO:
+ case SCTP_INITMSG:
+ case SCTP_NODELAY:
+ case SCTP_AUTOCLOSE:
+ case SCTP_PRIMARY_ADDR:
+ case SCTP_DISABLE_FRAGMENTS:
+ case SCTP_PEER_ADDR_PARAMS:
+ case SCTP_DEFAULT_SEND_PARAM:
+ case SCTP_EVENTS:
+ case SCTP_I_WANT_MAPPED_V4_ADDR:
+ case SCTP_MAXSEG:
+ case SCTP_STATUS:
+ case SCTP_GET_PEER_ADDR_INFO:
+ case SCTP_AUTH_ACTIVE_KEY:
+ case SCTP_PEER_AUTH_CHUNKS:
+ case SCTP_LOCAL_AUTH_CHUNKS:
+ *(sctp_assoc_t *)arg = id;
+ return getsockopt(sd, IPPROTO_SCTP, opt, arg, size);
+ default:
+ return ENOTSUP;
+ }
+
+} /* sctp_opt_info() */
--- /dev/null
+/* SCTP kernel Implementation: User API extensions.
+ *
+ * peeloff.c
+ *
+ * Distributed under the terms of the LGPL v2.1 as described in
+ * http://www.gnu.org/copyleft/lesser.txt
+ *
+ * This file is part of the user library that offers support for the
+ * SCTP kernel Implementation. The main purpose of this
+ * code is to provide the SCTP Socket API mappings for user
+ * application to interface with the SCTP in kernel.
+ *
+ * This implementation is based on the Socket API Extensions for SCTP
+ * defined in <draft-ietf-tsvwg-sctpsocket-10.txt.
+ *
+ * (C) Copyright IBM Corp. 2001, 2003
+ *
+ * Written or modified by:
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+#include <sys/socket.h> /* struct sockaddr_storage, setsockopt() */
+#include <netinet/sctp.h> /* SCTP_SOCKOPT_BINDX_* */
+#include <errno.h>
+
+/* Branch off an association into a seperate socket. This is a new SCTP API
+ * described in the section 8.2 of the Sockets API Extensions for SCTP.
+ * This is implemented using the getsockopt() interface.
+ */
+int
+sctp_peeloff(int fd, sctp_assoc_t associd)
+{
+ sctp_peeloff_arg_t peeloff;
+ socklen_t peeloff_size = sizeof(peeloff);
+ int err;
+
+ peeloff.associd = associd;
+ peeloff.sd = 0;
+ err = getsockopt(fd, SOL_SCTP, SCTP_SOCKOPT_PEELOFF, &peeloff,
+ &peeloff_size);
+ if (err < 0) {
+ return err;
+ }
+
+ return peeloff.sd;
+
+} /* sctp_peeloff() */
--- /dev/null
+/* SCTP kernel Implementation: User API extensions.
+ *
+ * sctp_recvmsg.c
+ *
+ * Distributed under the terms of the LGPL v2.1 as described in
+ * http://www.gnu.org/copyleft/lesser.txt
+ *
+ * This file is part of the user library that offers support for the
+ * SCTP kernel Implementation. The main purpose of this
+ * code is to provide the SCTP Socket API mappings for user
+ * application to interface with the SCTP in kernel.
+ *
+ * This implementation is based on the Socket API Extensions for SCTP
+ * defined in <draft-ietf-tsvwg-sctpsocket-10.txt>
+ *
+ * Copyright (c) 2003 International Business Machines, Corp.
+ *
+ * Written or modified by:
+ * Ryan Layer <rmlayer@us.ibm.com>
+ *
+ * An implementation may provide a library function (or possibly system
+ * call) to assist the user with the advanced features of SCTP. Note
+ * that in order for the sctp_sndrcvinfo structure to be filled in by
+ * sctp_recvmsg() the caller must enable the sctp_data_io_events with
+ * the SCTP_EVENTS option.
+ *
+ * sctp_recvmsg(). Its syntax is,
+ *
+ * int sctp_recvmsg(int s,
+ * void *msg,
+ * size_t len,
+ * struct sockaddr *from,
+ * socklen_t *fromlen,
+ * struct sctp_sndrcvinfo *sinfo,
+ * int *msg_flags)
+ *
+ *
+ * s - is the socket descriptor
+ * msg - is a message buffer to be filled.
+ * len - is the length of the message buffer.
+ * from - is a pointer to a address to be filled with
+ * the sender of this messages address.
+ * fromlen - is the from length.
+ * sinfo - A pointer to a sctp_sndrcvinfo structure
+ * to be filled upon receipt of the message.
+ * msg_flags - A pointer to a integer to be filled with
+ * any message flags (e.g. MSG_NOTIFICATION).
+ */
+
+#include <string.h>
+#include <errno.h>
+#include <sys/socket.h> /* struct sockaddr_storage, setsockopt() */
+#include <netinet/sctp.h>
+
+int sctp_recvmsg(int s, void *msg, size_t len, struct sockaddr *from,
+ socklen_t *fromlen, struct sctp_sndrcvinfo *sinfo,
+ int *msg_flags)
+{
+ int error;
+ struct iovec iov;
+ struct msghdr inmsg;
+ char incmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg = NULL;
+
+ memset(&inmsg, 0, sizeof (inmsg));
+
+ iov.iov_base = msg;
+ iov.iov_len = len;
+
+ inmsg.msg_name = from;
+ inmsg.msg_namelen = fromlen ? *fromlen : 0;
+ inmsg.msg_iov = &iov;
+ inmsg.msg_iovlen = 1;
+ inmsg.msg_control = incmsg;
+ inmsg.msg_controllen = sizeof(incmsg);
+
+ error = recvmsg(s, &inmsg, msg_flags ? *msg_flags : 0);
+ if (error < 0)
+ return error;
+
+ if (fromlen)
+ *fromlen = inmsg.msg_namelen;
+ if (msg_flags)
+ *msg_flags = inmsg.msg_flags;
+
+ if (!sinfo)
+ return error;
+
+ for (cmsg = CMSG_FIRSTHDR(&inmsg); cmsg != NULL;
+ cmsg = CMSG_NXTHDR(&inmsg, cmsg)){
+ if ((IPPROTO_SCTP == cmsg->cmsg_level) &&
+ (SCTP_SNDRCV == cmsg->cmsg_type))
+ break;
+ }
+
+ /* Copy sinfo. */
+ if (cmsg)
+ memcpy(sinfo, CMSG_DATA(cmsg), sizeof(struct sctp_sndrcvinfo));
+
+ return (error);
+}
--- /dev/null
+/* SCTP kernel Implementation: User API extensions.
+ *
+ * sendmsg.c
+ *
+ * Distributed under the terms of the LGPL v2.1 as described in
+ * http://www.gnu.org/copyleft/lesser.txt
+ *
+ * This file is part of the user library that offers support for the
+ * SCTP kernel Implementation. The main purpose of this
+ * code is to provide the SCTP Socket API mappings for user
+ * application to interface with the SCTP in kernel.
+ *
+ * This implementation is based on the Socket API Extensions for SCTP
+ * defined in <draft-ietf-tsvwg-sctpsocket-10.txt>
+ *
+ * Copyright (c) 2003 Intel Corp.
+ *
+ * Written or modified by:
+ * Ardelle Fan <ardelle.fan@intel.com>
+ */
+
+#include <string.h>
+#include <sys/socket.h> /* struct sockaddr_storage, setsockopt() */
+#include <netinet/sctp.h>
+
+/* This library function assists the user with the advanced features
+ * of SCTP. This is a new SCTP API described in the section 8.7 of the
+ * Sockets API Extensions for SCTP. This is implemented using the
+ * sendmsg() interface.
+ */
+int
+sctp_sendmsg(int s, const void *msg, size_t len, struct sockaddr *to,
+ socklen_t tolen, uint32_t ppid, uint32_t flags,
+ uint16_t stream_no, uint32_t timetolive, uint32_t context)
+{
+ struct msghdr outmsg;
+ struct iovec iov;
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+
+ outmsg.msg_name = to;
+ outmsg.msg_namelen = tolen;
+ outmsg.msg_iov = &iov;
+ iov.iov_base = (void *)msg;
+ iov.iov_len = len;
+ outmsg.msg_iovlen = 1;
+
+ outmsg.msg_control = outcmsg;
+ outmsg.msg_controllen = sizeof(outcmsg);
+ outmsg.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmsg);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+
+ outmsg.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0, sizeof(struct sctp_sndrcvinfo));
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_flags = flags;
+ sinfo->sinfo_stream = stream_no;
+ sinfo->sinfo_timetolive = timetolive;
+ sinfo->sinfo_context = context;
+
+ return sendmsg(s, &outmsg, 0);
+}
+
+/* This library function assist the user with sending a message without
+ * dealing directly with the CMSG header.
+ */
+int
+sctp_send(int s, const void *msg, size_t len,
+ const struct sctp_sndrcvinfo *sinfo, int flags)
+{
+ struct msghdr outmsg;
+ struct iovec iov;
+
+ outmsg.msg_name = NULL;
+ outmsg.msg_namelen = 0;
+ outmsg.msg_iov = &iov;
+ iov.iov_base = (void *)msg;
+ iov.iov_len = len;
+ outmsg.msg_iovlen = 1;
+ outmsg.msg_controllen = 0;
+
+ if (sinfo) {
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+
+ outmsg.msg_control = outcmsg;
+ outmsg.msg_controllen = sizeof(outcmsg);
+ outmsg.msg_flags = 0;
+
+ cmsg = CMSG_FIRSTHDR(&outmsg);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+
+ outmsg.msg_controllen = cmsg->cmsg_len;
+ memcpy(CMSG_DATA(cmsg), sinfo, sizeof(struct sctp_sndrcvinfo));
+ }
+
+ return sendmsg(s, &outmsg, flags);
+}
--- /dev/null
+# Include these two in all the Makefile.am's!!!
+include $(top_srcdir)/Makefile.vars
+include $(top_srcdir)/Makefile.rules
+
+include $(top_srcdir)/Makefile.dirs
+
+# General compilation flags
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+
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+libsctputil_la_SOURCES = sctputil.c sctputil.h
+libsctputil_la_LDFLAGS = -version-info 1:10:0
--- /dev/null
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+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+CLEANFILES =
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+EXTRA_DIST =
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+ENSCRIPTBIN = @ENSCRIPTBIN@
+PS2PDF = @PS2PDF@
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+ -e "s|\@bindir\@|$(bindir)|" \
+ -e "s|\@libdir\@|$(libdir)|" \
+ -e "s|\@PACKAGE\@|$(PACKAGE)|"
+
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+vpkglibdir = $(pkglibdir)/v@VERSION@
+vpkgdocdir = $(docdir)/v@VERSION@
+
+# List here all the directories you want listed in the file to be used
+# in your programs:
+directories := \
+ localedir \
+ pkgsysconfdir \
+ rootbindir \
+ rootlibdir \
+ rootsbindir \
+ vpkgdatadir \
+ vpkgdocdir \
+ vpkglibdir \
+ vpkgsysconfdir \
+ \
+ bindir \
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+ pkgdatadir \
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+ sbindir
+
+
+# Include these two in all the Makefile.am's!!!
+
+# General compilation flags
+INCLUDES = -I$(top_srcdir)/src/include
+noinst_LTLIBRARIES = libsctputil.la
+libsctputil_la_SOURCES = sctputil.c sctputil.h
+libsctputil_la_LDFLAGS = -version-info 1:10:0
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+
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+ $(AUTOMAKE) --foreign src/testlib/Makefile
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+ @case '$?' in \
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+
+# -*-makefile-*-
+#
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+ $(COMPILE) -E -c $^ -o $@
+
+.PRECIOUS: %.i
+%.ci: %.i
+ -grep -v -e "^#" -e "^ *$$" $^ | indent > $@
+ mv -f $@ $^
+
+# To modify this target for another language, just copy, paste and
+# modify the target to generate directories.h. We depend on
+# config.status and Makefile.dirs, as anything changed is going to be
+# reflected there.
+
+# This is for generating the list in C/C++
+directories.h: $(top_builddir)/config.status $(top_srcdir)/Makefile.dirs
+ @rm -f $@
+ @echo -n "Creating $@ ..."
+ @echo "#ifndef __$(subst .,_,$@)__" > $@
+ @echo "# define __$(subst .,_,$@)__" >> $@
+ @echo "" >> $@
+ @echo -e $(foreach v,$(directories),$(shell echo 'D_$(v) \"$($v)\"\\n')) \
+ | sed 's/^ *D_/# define D_/' >> $@
+ @echo "#endif" >> $@
+ @echo " done"
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (C) 1999 Cisco
+ * Copyright (C) 1999-2000 Motorola
+ # Copyright (C) 2001 Nokia
+ * Copyright (C) 2001 La Monte H.P. Yarroll
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * La Monte H.P. Yarroll <piggy@acm.org>
+ * Narasimha Budihal <narsi@refcode.org>
+ * Karl Knutson <karl@athena.chicago.il.us>
+ * Jon Grimm <jgrimm@us.ibm.com>
+ * Daisy Chang <daisyc@us.ibm.com>
+ * Sridhar Samudrala <sri@us.ibm.com>
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <ctype.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <sys/errno.h>
+#include <errno.h>
+#include <malloc.h>
+#include <netinet/sctp.h>
+#include <sctputil.h>
+
+/* This function prints the cmsg data. */
+void
+test_print_cmsg(sctp_cmsg_t type, sctp_cmsg_data_t *data)
+{
+ switch(type) {
+ case SCTP_INIT:
+ printf("INIT\n");
+ printf(" sinit_num_ostreams %d\n",
+ data->init.sinit_num_ostreams);
+ printf(" sinit_max_instreams %d\n",
+ data->init.sinit_max_instreams);
+ printf(" sinit_max_attempts %d\n",
+ data->init.sinit_max_attempts);
+ printf(" sinit_max_init_timeo %d\n",
+ data->init.sinit_max_init_timeo);
+
+ break;
+ case SCTP_SNDRCV:
+ printf("SNDRCV\n");
+ printf(" sinfo_stream %u\n", data->sndrcv.sinfo_stream);
+ printf(" sinfo_ssn %u\n", data->sndrcv.sinfo_ssn);
+ printf(" sinfo_flags 0x%x\n", data->sndrcv.sinfo_flags);
+ printf(" sinfo_ppid %u\n", data->sndrcv.sinfo_ppid);
+ printf(" sinfo_context %x\n", data->sndrcv.sinfo_context);
+ printf(" sinfo_tsn %u\n", data->sndrcv.sinfo_tsn);
+ printf(" sinfo_cumtsn %u\n", data->sndrcv.sinfo_cumtsn);
+ printf(" sinfo_assoc_id %u\n", data->sndrcv.sinfo_assoc_id);
+
+ break;
+
+ default:
+ printf("UNKNOWN CMSG: %d\n", type);
+ break;
+ }
+}
+
+/* This function prints the message. */
+void
+test_print_message(int sk, struct msghdr *msg, size_t msg_len)
+{
+ sctp_cmsg_data_t *data;
+ struct cmsghdr *cmsg;
+ int i;
+ int done = 0;
+ char save;
+ union sctp_notification *sn;
+
+ for (cmsg = CMSG_FIRSTHDR(msg);
+ cmsg != NULL;
+ cmsg = CMSG_NXTHDR(msg, cmsg)) {
+ data = (sctp_cmsg_data_t *)CMSG_DATA(cmsg);
+ test_print_cmsg(cmsg->cmsg_type, data);
+ }
+
+ if (!(MSG_NOTIFICATION & msg->msg_flags)) {
+ int index = 0;
+ /* Make sure that everything is printable and that we
+ * are NUL terminated...
+ */
+ printf("DATA(%d): ", msg_len);
+ while ( msg_len > 0 ) {
+ char *text;
+ int len;
+
+ text = msg->msg_iov[index].iov_base;
+ len = msg->msg_iov[index].iov_len;
+
+ save = text[msg_len-1];
+ if ( len > msg_len ) {
+ text[(len = msg_len) - 1] = '\0';
+ }
+
+ if ( (msg_len -= len) > 0 ) { index++; }
+
+ for (i = 0; i < len - 1; ++i) {
+ if (!isprint(text[i])) text[i] = '.';
+ }
+
+ printf("%s", text);
+ text[msg_len-1] = save;
+
+ if ( (done = !strcmp(text, "exit")) ) { break; }
+ }
+ } else {
+ printf("NOTIFICATION: ");
+ sn = (union sctp_notification *)msg->msg_iov[0].iov_base;
+ switch (sn->sn_header.sn_type) {
+ case SCTP_ASSOC_CHANGE:
+ switch (sn->sn_assoc_change.sac_state) {
+ case SCTP_COMM_UP:
+ printf("ASSOC_CHANGE - COMM_UP");
+ break;
+ case SCTP_COMM_LOST:
+ printf("ASSOC_CHANGE - COMM_LOST");
+ break;
+ case SCTP_RESTART:
+ printf("ASSOC_CHANGE - RESTART");
+ break;
+ case SCTP_SHUTDOWN_COMP:
+ printf("ASSOC_CHANGE - SHUTDOWN_COMP");
+ break;
+ case SCTP_CANT_STR_ASSOC:
+ printf("ASSOC_CHANGE - CANT_STR_ASSOC");
+ break;
+ default:
+ printf("ASSOC_CHANGE - UNEXPECTED(%d)",
+ sn->sn_assoc_change.sac_state);
+ break;
+ }
+ break;
+ default:
+ printf("%d", sn->sn_header.sn_type);
+ break;
+ }
+ }
+
+ printf("\n");
+}
+
+/* Check if a buf/msg_flags matches a notification, its type, and possibly an
+ * additional field in the corresponding notification structure.
+ */
+void
+test_check_buf_notification(void *buf, int datalen, int msg_flags,
+ int expected_datalen, uint16_t expected_sn_type,
+ uint32_t expected_additional)
+{
+ union sctp_notification *sn;
+
+ if (!(msg_flags & MSG_NOTIFICATION))
+ tst_brkm(TBROK, tst_exit, "Got a datamsg, expecting "
+ "notification");
+
+ if (expected_datalen <= 0)
+ return;
+
+ if (datalen != expected_datalen)
+ tst_brkm(TBROK, tst_exit, "Got a notification of unexpected "
+ "length:%d, expected length:%d", datalen,
+ expected_datalen);
+
+ sn = (union sctp_notification *)buf;
+ if (sn->sn_header.sn_type != expected_sn_type)
+ tst_brkm(TBROK, tst_exit, "Unexpected notification:%d"
+ "expected:%d", sn->sn_header.sn_type,
+ expected_sn_type);
+
+ switch(sn->sn_header.sn_type){
+ case SCTP_ASSOC_CHANGE:
+ if (sn->sn_assoc_change.sac_state != expected_additional)
+ tst_brkm(TBROK, tst_exit, "Unexpected sac_state:%d "
+ "expected:%d", sn->sn_assoc_change.sac_state,
+ expected_additional);
+ break;
+ default:
+ break;
+ }
+}
+
+/* Check if a message matches a notification, its type, and possibly an
+ * additional field in the corresponding notification structure.
+ */
+void
+test_check_msg_notification(struct msghdr *msg, int datalen,
+ int expected_datalen, uint16_t expected_sn_type,
+ uint32_t expected_additional)
+{
+ test_check_buf_notification(msg->msg_iov[0].iov_base, datalen,
+ msg->msg_flags, expected_datalen,
+ expected_sn_type, expected_additional);
+}
+
+/* Check if a buf/msg_flags/sinfo corresponds to data, its length, msg_flags,
+ * stream and ppid.
+ */
+void
+test_check_buf_data(void *buf, int datalen, int msg_flags,
+ struct sctp_sndrcvinfo *sinfo, int expected_datalen,
+ int expected_msg_flags, uint16_t expected_stream,
+ uint32_t expected_ppid)
+{
+ if (msg_flags & MSG_NOTIFICATION)
+ tst_brkm(TBROK, tst_exit, "Got a notification, expecting a"
+ "datamsg");
+
+ if (expected_datalen <= 0)
+ return;
+
+ if (datalen != expected_datalen)
+ tst_brkm(TBROK, tst_exit, "Got a datamsg of unexpected "
+ "length:%d, expected length:%d", datalen,
+ expected_datalen);
+
+ if ((msg_flags & ~0x80000000) != expected_msg_flags)
+ tst_brkm(TBROK, tst_exit, "Unexpected msg_flags:0x%x "
+ "expecting:0x%x", msg_flags, expected_msg_flags);
+
+ if ((0 == expected_stream) && (0 == expected_ppid))
+ return;
+
+ if (!sinfo)
+ tst_brkm(TBROK, tst_exit, "Null sinfo, but expected "
+ "stream:%d expected ppid:%d", expected_stream,
+ expected_ppid);
+
+ if (sinfo->sinfo_stream != expected_stream)
+ tst_brkm(TBROK, tst_exit, "stream mismatch: expected:%x "
+ "got:%x", expected_stream, sinfo->sinfo_stream);
+ if (sinfo->sinfo_ppid != expected_ppid)
+ tst_brkm(TBROK, tst_exit, "ppid mismatch: expected:%x "
+ "got:%x\n", expected_ppid, sinfo->sinfo_ppid);
+}
+
+/* Check if a message corresponds to data, its length, msg_flags, stream and
+ * ppid.
+ */
+void
+test_check_msg_data(struct msghdr *msg, int datalen, int expected_datalen,
+ int expected_msg_flags, uint16_t expected_stream,
+ uint32_t expected_ppid)
+{
+ struct cmsghdr *cmsg = NULL;
+ struct sctp_sndrcvinfo *sinfo = NULL;
+
+ /* Receive auxiliary data in msgh. */
+ for (cmsg = CMSG_FIRSTHDR(msg); cmsg != NULL;
+ cmsg = CMSG_NXTHDR(msg, cmsg)){
+ if (IPPROTO_SCTP == cmsg->cmsg_level &&
+ SCTP_SNDRCV == cmsg->cmsg_type)
+ break;
+ } /* for( all cmsgs) */
+
+ if ((!cmsg) ||
+ (cmsg->cmsg_len < CMSG_LEN(sizeof(struct sctp_sndrcvinfo))))
+ sinfo = NULL;
+ else
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+
+ test_check_buf_data(msg->msg_iov[0].iov_base, datalen, msg->msg_flags,
+ sinfo, expected_datalen, expected_msg_flags,
+ expected_stream, expected_ppid);
+
+}
+
+
+/* Allocate a buffer of requested len and fill in with data. */
+void *
+test_build_msg(int len)
+{
+ int i = len - 1;
+ int n;
+ unsigned char msg[] =
+ "012345678901234567890123456789012345678901234567890";
+ char *msg_buf, *p;
+
+ msg_buf = (char *)malloc(len);
+ if (!msg_buf)
+ tst_brkm(TBROK, tst_exit, "malloc failed");
+
+ p = msg_buf;
+
+ do {
+ n = ((i > 50)?50:i);
+ memcpy(p, msg, ((i > 50)?50:i));
+ p += n;
+ i -= n;
+ } while (i > 0);
+
+ msg_buf[len-1] = '\0';
+
+ return(msg_buf);
+}
+
+/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+void test_enable_assoc_change(int fd)
+{
+ struct sctp_event_subscribe subscribe;
+
+ memset(&subscribe, 0, sizeof(subscribe));
+ subscribe.sctp_data_io_event = 1;
+ subscribe.sctp_association_event = 1;
+ test_setsockopt(fd, SCTP_EVENTS, (char *)&subscribe,
+ sizeof(subscribe));
+}
+
+static int cmp_addr(sockaddr_storage_t *addr1, sockaddr_storage_t *addr2)
+{
+ if (addr1->sa.sa_family != addr2->sa.sa_family)
+ return 0;
+ switch (addr1->sa.sa_family) {
+ case AF_INET6:
+ if (addr1->v6.sin6_port != addr2->v6.sin6_port)
+ return -1;
+ return memcmp(&addr1->v6.sin6_addr, &addr2->v6.sin6_addr,
+ sizeof(addr1->v6.sin6_addr));
+ case AF_INET:
+ if (addr1->v4.sin_port != addr2->v4.sin_port)
+ return 0;
+ return memcmp(&addr1->v4.sin_addr, &addr2->v4.sin_addr,
+ sizeof(addr1->v4.sin_addr));
+ default:
+ tst_brkm(TBROK, tst_exit, "invalid address type %d",
+ addr1->sa.sa_family);
+ return -1;
+ }
+}
+
+/* Test peer addresses for association. */
+int test_peer_addr(int sk, sctp_assoc_t asoc, sockaddr_storage_t *peers, int count)
+{
+ struct sockaddr *addrs;
+ int error, i, j;
+ struct sockaddr *sa_addr;
+ socklen_t addrs_size = 0;
+ void *addrbuf;
+ char *found = (char *) malloc(count);
+ memset(found, 0, count);
+
+ error = sctp_getpaddrs(sk, asoc, &addrs);
+ if (-1 == error) {
+ tst_brkm(TBROK, tst_exit, "sctp_getpaddrs: %s", strerror(errno));
+ return error;
+ }
+ if (error != count) {
+ sctp_freepaddrs(addrs);
+ tst_brkm(TBROK, tst_exit, "peer count %d mismatch, expected %d",
+ error, count);
+ }
+ addrbuf = addrs;
+ for (i = 0; i < count; i++) {
+ sa_addr = (struct sockaddr *)addrbuf;
+ switch (sa_addr->sa_family) {
+ case AF_INET:
+ addrs_size += sizeof(struct sockaddr_in);
+ addrbuf += sizeof(struct sockaddr_in);
+ break;
+ case AF_INET6:
+ addrs_size += sizeof(struct sockaddr_in6);
+ addrbuf += sizeof(struct sockaddr_in6);
+ break;
+ default:
+ errno = EINVAL;
+ sctp_freepaddrs(addrs);
+ tst_brkm(TBROK, tst_exit, "sctp_getpaddrs: %s", strerror(errno));
+ return -1;
+ }
+ for (j = 0; j < count; j++) {
+ if (cmp_addr((sockaddr_storage_t *)sa_addr,
+ &peers[j]) == 0) {
+ found[j] = 1;
+ }
+ }
+ }
+ for (j = 0; j < count; j++) {
+ if (found[j] == 0) {
+ tst_brkm(TBROK, tst_exit, "peer address %d not found", j);
+ }
+ }
+ sctp_freepaddrs(addrs);
+ return 0;
+}
--- /dev/null
+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, Inc.
+ * Copyright (c) 2001 La Monte H.P. Yarroll
+ *
+ * The SCTP implementation is free software;
+ * you can redistribute it and/or modify it under the terms of
+ * the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * The SCTP implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING. If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ * lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ * http://www.sf.net/projects/lksctp
+ *
+ * Any bugs reported to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ *
+ * Written or modified by:
+ * La Monte H.P. Yarroll <piggy@acm.org>
+ * Karl Knutson <karl@athena.chicago.il.us>
+ * Randall Stewart <randall@stewart.chicago.il.us>
+ * Ken Morneau <kmorneau@cisco.com>
+ * Qiaobing Xie <qxie1@motorola.com>
+ * Daisy Chang <daisyc@us.ibm.com>
+ * Jon Grimm <jgrimm@us.ibm.com>
+ * Sridhar Samudrala <samudrala@us.ibm.com>
+ * Hui Huang <hui.huang@nokia.com>
+ */
+
+#ifndef __sctputil_h__
+#define __sctputil_h__
+
+#ifdef LTP
+#include <test.h>
+#include <usctest.h>
+#endif
+
+#include <string.h>
+
+typedef union {
+ struct sockaddr_in v4;
+ struct sockaddr_in6 v6;
+ struct sockaddr sa;
+} sockaddr_storage_t;
+
+
+#define REALLY_BIG 65536
+
+/* Literal defines. */
+#ifdef PROT_SOCK
+#define SCTP_TESTPORT_1 PROT_SOCK
+#else
+#define SCTP_TESTPORT_1 1024
+#endif
+#define SCTP_TESTPORT_2 (SCTP_TESTPORT_1+1)
+
+#define SCTP_IP_BCAST htonl(0xffffffff)
+#define SCTP_IP_LOOPBACK htonl(0x7f000001)
+
+/* These are stolen from <netinet/in.h>. */
+#define SCTP_IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
+#define SCTP_IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
+
+/* Display an IPv4 address in readable format. */
+#define NIPQUAD(addr) \
+ ((unsigned char *)&addr)[0], \
+ ((unsigned char *)&addr)[1], \
+ ((unsigned char *)&addr)[2], \
+ ((unsigned char *)&addr)[3]
+
+/* Display an IPv6 address in readable format. */
+#define NIP6(addr) \
+ ntohs((addr).s6_addr16[0]), \
+ ntohs((addr).s6_addr16[1]), \
+ ntohs((addr).s6_addr16[2]), \
+ ntohs((addr).s6_addr16[3]), \
+ ntohs((addr).s6_addr16[4]), \
+ ntohs((addr).s6_addr16[5]), \
+ ntohs((addr).s6_addr16[6]), \
+ ntohs((addr).s6_addr16[7])
+
+#define DUMP_CORE { \
+ char *diediedie = 0; \
+ printf("DUMP_CORE %s: %d\n", __FILE__, __LINE__);\
+ *diediedie = 0; \
+}
+
+#ifndef LTP
+enum {
+ TPASS,
+ TINFO,
+};
+
+extern char *TCID;
+extern int TST_TOTAL;
+extern int TST_CNT;
+
+#define tst_brkm(a1, a2, whatever...) \
+ { \
+ printf("%s %2d BROK : ", TCID, ++TST_CNT); \
+ printf(whatever); \
+ printf("\n"); \
+ DUMP_CORE \
+ }
+#define tst_resm(a1, whatever...) \
+ { \
+ printf("%s %2d %s : ", TCID, \
+ (a1 == TPASS)?++TST_CNT:0, \
+ (a1 == TPASS)?"PASS":"INFO"); \
+ printf(whatever); \
+ printf("\n"); \
+ }
+#endif
+
+static inline int test_socket(int domain, int type, int protocol)
+{
+ int sk = socket(domain, type, protocol);
+ if (-1 == sk)
+ tst_brkm(TBROK, tst_exit, "socket: %s", strerror(errno));
+ return sk;
+}
+
+static inline int test_bind(int sk, struct sockaddr *addr, socklen_t addrlen)
+{
+ int error = bind(sk, addr, addrlen);
+ if (-1 == error)
+ tst_brkm(TBROK, tst_exit, "bind: %s", strerror(errno));
+ return error;
+}
+
+static inline int test_bindx_add(int sk, struct sockaddr *addr, int count)
+{
+ int error = sctp_bindx(sk, addr, count, SCTP_BINDX_ADD_ADDR);
+ if (-1 == error)
+ tst_brkm(TBROK, tst_exit, "bindx (add): %s", strerror(errno));
+ return error;
+}
+
+static inline int test_listen(int sk, int backlog)
+{
+ int error = listen(sk, backlog);
+ if (-1 == error)
+ tst_brkm(TBROK, tst_exit, "listen: %s", strerror(errno));
+ return error;
+}
+
+static inline int test_connect(int sk, struct sockaddr *addr, socklen_t addrlen)
+{
+ int error = connect(sk, addr, addrlen);
+ if (-1 == error)
+ tst_brkm(TBROK, tst_exit, "connect: %s", strerror(errno));
+ return error;
+}
+
+static inline int test_connectx(int sk, struct sockaddr *addr, int count)
+{
+ int error = sctp_connectx(sk, addr, count, NULL);
+ if (-1 == error)
+ tst_brkm(TBROK, tst_exit, "connectx: %s", strerror(errno));
+ return error;
+}
+
+static inline int test_accept(int sk, struct sockaddr *addr, socklen_t *addrlen)
+{
+ int error = accept(sk, addr, addrlen);
+ if (-1 == error)
+ tst_brkm(TBROK, tst_exit, "accept: %s", strerror(errno));
+ return error;
+}
+
+static inline int test_send(int sk, const void *msg, size_t len, int flags)
+{
+ int error = send(sk, msg, len, flags);
+ if (len != error)
+ tst_brkm(TBROK, tst_exit, "send: error:%d errno:%d",
+ error, errno);
+ return error;
+}
+
+static inline int test_sendto(int sk, const void *msg, size_t len, int flags,
+ const struct sockaddr *to, socklen_t tolen)
+{
+ int error = sendto(sk, msg, len, flags, to, tolen);
+ if (len != error)
+ tst_brkm(TBROK, tst_exit, "sendto: error:%d errno:%d",
+ error, errno);
+ return error;
+}
+
+static inline int test_sendmsg(int sk, const struct msghdr *msg, int flags,
+ int msglen)
+{
+ int error = sendmsg(sk, msg, flags);
+ if (msglen != error)
+ tst_brkm(TBROK, tst_exit, "sendmsg: error:%d errno:%d",
+ error, errno);
+ return error;
+}
+
+static inline int test_recv(int sk, void *buf, size_t len, int flags)
+{
+ int error = recv(sk, buf, len, flags);
+ if (-1 == error)
+ tst_brkm(TBROK, tst_exit, "recv: %s", strerror(errno));
+ return error;
+}
+
+static inline int test_recvmsg(int sk, struct msghdr *msg, int flags)
+{
+ int error = recvmsg(sk, msg, flags);
+ if (-1 == error)
+ tst_brkm(TBROK, tst_exit, "recvmsg: %s", strerror(errno));
+ return error;
+}
+
+static inline int test_shutdown(int sk, int how)
+{
+ int error = shutdown(sk, how);
+ if (-1 == error)
+ tst_brkm(TBROK, tst_exit, "shutdown: %s", strerror(errno));
+ return error;
+}
+
+static inline int test_getsockopt(int sk, int optname, void *optval,
+ socklen_t *optlen)
+{
+ int error = getsockopt(sk, SOL_SCTP, optname, optval, optlen);
+ if (error)
+ tst_brkm(TBROK, tst_exit, "getsockopt(%d): %s", optname,
+ strerror(errno));
+ return error;
+}
+
+static inline int test_setsockopt(int sk, int optname, const void *optval,
+ socklen_t optlen)
+{
+ int error = setsockopt(sk, SOL_SCTP, optname, optval, optlen);
+ if (error)
+ tst_brkm(TBROK, tst_exit, "setsockopt(%d): %s", optname,
+ strerror(errno));
+ return error;
+}
+
+static inline int test_sctp_peeloff(int sk, sctp_assoc_t assoc_id)
+{
+ int error = sctp_peeloff(sk, assoc_id);
+ if (-1 == error)
+ tst_brkm(TBROK, tst_exit, "sctp_peeloff: %s", strerror(errno));
+ return error;
+}
+
+static inline int test_sctp_sendmsg(int s, const void *msg, size_t len,
+ struct sockaddr *to, socklen_t tolen,
+ uint32_t ppid, uint32_t flags,
+ uint16_t stream_no, uint32_t timetolive,
+ uint32_t context)
+{
+ int error = sctp_sendmsg(s, msg, len, to, tolen, ppid, flags, stream_no,
+ timetolive, context);
+ if (len != error)
+ tst_brkm(TBROK, tst_exit, "sctp_sendmsg: error:%d errno:%d",
+ error, errno);
+ return error;
+}
+
+static inline int test_sctp_send(int s, const void *msg, size_t len,
+ const struct sctp_sndrcvinfo *sinfo,
+ int flags)
+{
+ int error = sctp_send(s, msg, len, sinfo, flags);
+ if (len != error)
+ tst_brkm(TBROK, tst_exit, "sctp_send: error:%d errno:%d",
+ error, errno);
+ return error;
+}
+
+static inline int test_sctp_recvmsg(int sk, void *msg, size_t len,
+ struct sockaddr *from, socklen_t *fromlen,
+ struct sctp_sndrcvinfo *sinfo,
+ int *msg_flags)
+{
+ int error = sctp_recvmsg(sk, msg, len, from, fromlen, sinfo, msg_flags);
+ if (-1 == error)
+ tst_brkm(TBROK, tst_exit, "sctp_recvmsg: %s", strerror(errno));
+ return error;
+}
+
+static inline void *test_malloc(size_t size)
+{
+ void *buf = malloc(size);
+ if (NULL == buf)
+ tst_brkm(TBROK, tst_exit, "malloc failed");
+ return buf;
+}
+
+void test_check_msg_notification(struct msghdr *, int, int, uint16_t, uint32_t);
+void test_check_buf_notification(void *, int, int, int, uint16_t, uint32_t);
+void test_check_msg_data(struct msghdr *, int, int, int, uint16_t, uint32_t);
+void test_check_buf_data(void *, int, int, struct sctp_sndrcvinfo *, int, int,
+ uint16_t, uint32_t);
+void *test_build_msg(int);
+void test_enable_assoc_change(int);
+void test_print_message(int sk, struct msghdr *msg, size_t msg_len);
+int test_peer_addr(int sk, sctp_assoc_t asoc, sockaddr_storage_t *peers, int count);
+
+#endif /* __sctputil_h__ */
--- /dev/null
+# -*- Makefile -*-
+#
+# The author (La Monte H.P. Yarroll) disclaims copyright on this file.
+#
+
+include $(top_srcdir)/Makefile.vars
+include $(top_srcdir)/Makefile.dirs
+include $(top_srcdir)/Makefile.rules
+
+bin_PROGRAMS = checksctp
+bin_SCRIPTS = withsctp
+
+AM_CPPFLAGS=-I../include
+pkglib_LTLIBRARIES = libwithsctp.la
+libwithsctp_la_SOURCES = sctp_load_libs.c sctp_socket.c sctp_bind.c \
+ sctp_sockopt.c sctp_socket.h
+libwithsctp_la_LDFLAGS = -version-info 1:10:0 -ldl
+
+pkgdoc_DATA = sctp_load_libs.c sctp_socket.c sctp_bind.c \
+ sctp_sockopt.c sctp_socket.h checksctp.c
+
+withsctp: withsctp.in
+ $(edit) $< >$@
+
+EXTRA_DIST += withsctp.in
+
+CLEANFILES += withsctp
--- /dev/null
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# -*- Makefile -*-
+#
+# The author (La Monte H.P. Yarroll) disclaims copyright on this file.
+#
+
+# -*-makefile-*-
+#
+# type: deep, strictness: gnu
+
+# -*-makefile-*-
+#
+# Define here directories you want
+
+
+
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+top_builddir = ../..
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+INSTALL = @INSTALL@
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+DIST_COMMON = README $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+ $(top_srcdir)/Makefile.dirs $(top_srcdir)/Makefile.rules \
+ $(top_srcdir)/Makefile.vars
+bin_PROGRAMS = checksctp$(EXEEXT)
+subdir = src/withsctp
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+ $(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+ $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+ *) f=$$p;; \
+ esac;
+am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
+am__installdirs = "$(DESTDIR)$(pkglibdir)" "$(DESTDIR)$(bindir)" \
+ "$(DESTDIR)$(bindir)" "$(DESTDIR)$(pkgdocdir)"
+pkglibLTLIBRARIES_INSTALL = $(INSTALL)
+LTLIBRARIES = $(pkglib_LTLIBRARIES)
+libwithsctp_la_LIBADD =
+am_libwithsctp_la_OBJECTS = sctp_load_libs.lo sctp_socket.lo \
+ sctp_bind.lo sctp_sockopt.lo
+libwithsctp_la_OBJECTS = $(am_libwithsctp_la_OBJECTS)
+binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
+PROGRAMS = $(bin_PROGRAMS)
+checksctp_SOURCES = checksctp.c
+checksctp_OBJECTS = checksctp.$(OBJEXT)
+checksctp_LDADD = $(LDADD)
+binSCRIPT_INSTALL = $(INSTALL_SCRIPT)
+SCRIPTS = $(bin_SCRIPTS)
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+am__depfiles_maybe = depfiles
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+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+ $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(AM_LDFLAGS) $(LDFLAGS) -o $@
+SOURCES = $(libwithsctp_la_SOURCES) checksctp.c
+DIST_SOURCES = $(libwithsctp_la_SOURCES) checksctp.c
+pkgdocDATA_INSTALL = $(INSTALL_DATA)
+DATA = $(pkgdoc_DATA)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+AMDEP_FALSE = @AMDEP_FALSE@
+AMDEP_TRUE = @AMDEP_TRUE@
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+ECHO_C = @ECHO_C@
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+INSTALL_PROGRAM = @INSTALL_PROGRAM@
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+LIBTOOL = @LIBTOOL@
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+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+NMEDIT = @NMEDIT@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_CXX = @ac_ct_CXX@
+ac_ct_F77 = @ac_ct_F77@
+am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
+am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
+am__fastdepCXX_FALSE = @am__fastdepCXX_FALSE@
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+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
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+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = $(datadir)/locale
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+MAINTAINERCLEANFILES = Makefile.in directories.h
+DISTCLEANFILES = \\\ directories.h
+CLEANFILES = withsctp
+MOSTLYCLEANFILES = *~ *.[aios] *.bak *.ci *.io
+EXTRA_DIST = withsctp.in
+LATEX = @LATEX@
+DVIPS = @DVIPS@
+DVIPDFM = @DVIPDFM@
+ENSCRIPTBIN = @ENSCRIPTBIN@
+PS2PDF = @PS2PDF@
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+rootsbindir = /sbin
+rootlibdir = /lib
+pkgsysconfdir = $(sysconfdir)/@PACKAGE@
+pkgdocdir = $(datadir)/@PACKAGE@
+vpkgsysconfdir = $(pkgsysconfdir)/v@VERSION@
+vpkgdatadir = $(pkgdatadir)/v@VERSION@
+vpkglibdir = $(pkglibdir)/v@VERSION@
+vpkgdocdir = $(docdir)/v@VERSION@
+
+# List here all the directories you want listed in the file to be used
+# in your programs:
+directories := \
+ localedir \
+ pkgsysconfdir \
+ rootbindir \
+ rootlibdir \
+ rootsbindir \
+ vpkgdatadir \
+ vpkgdocdir \
+ vpkglibdir \
+ vpkgsysconfdir \
+ \
+ bindir \
+ datadir \
+ libdir \
+ pkgdatadir \
+ pkgdocdir \
+ pkglibdir \
+ sbindir
+
+edit = @sed \
+ -e "s|\@bindir\@|$(bindir)|" \
+ -e "s|\@libdir\@|$(libdir)|" \
+ -e "s|\@PACKAGE\@|$(PACKAGE)|"
+
+bin_SCRIPTS = withsctp
+AM_CPPFLAGS = -I../include
+pkglib_LTLIBRARIES = libwithsctp.la
+libwithsctp_la_SOURCES = sctp_load_libs.c sctp_socket.c sctp_bind.c \
+ sctp_sockopt.c sctp_socket.h
+
+libwithsctp_la_LDFLAGS = -version-info 1:10:0 -ldl
+pkgdoc_DATA = sctp_load_libs.c sctp_socket.c sctp_bind.c \
+ sctp_sockopt.c sctp_socket.h checksctp.c
+
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
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+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
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+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+ && exit 0; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/withsctp/Makefile'; \
+ cd $(top_srcdir) && \
+ $(AUTOMAKE) --foreign src/withsctp/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
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+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+ @$(NORMAL_INSTALL)
+ test -z "$(pkglibdir)" || $(mkdir_p) "$(DESTDIR)$(pkglibdir)"
+ @list='$(pkglib_LTLIBRARIES)'; for p in $$list; do \
+ if test -f $$p; then \
+ f=$(am__strip_dir) \
+ echo " $(LIBTOOL) --mode=install $(pkglibLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(pkglibdir)/$$f'"; \
+ $(LIBTOOL) --mode=install $(pkglibLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) "$$p" "$(DESTDIR)$(pkglibdir)/$$f"; \
+ else :; fi; \
+ done
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+ @set -x; list='$(pkglib_LTLIBRARIES)'; for p in $$list; do \
+ p=$(am__strip_dir) \
+ echo " $(LIBTOOL) --mode=uninstall rm -f '$(DESTDIR)$(pkglibdir)/$$p'"; \
+ $(LIBTOOL) --mode=uninstall rm -f "$(DESTDIR)$(pkglibdir)/$$p"; \
+ done
+
+clean-pkglibLTLIBRARIES:
+ -test -z "$(pkglib_LTLIBRARIES)" || rm -f $(pkglib_LTLIBRARIES)
+ @list='$(pkglib_LTLIBRARIES)'; for p in $$list; do \
+ dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+ test "$$dir" != "$$p" || dir=.; \
+ echo "rm -f \"$${dir}/so_locations\""; \
+ rm -f "$${dir}/so_locations"; \
+ done
+libwithsctp.la: $(libwithsctp_la_OBJECTS) $(libwithsctp_la_DEPENDENCIES)
+ $(LINK) -rpath $(pkglibdir) $(libwithsctp_la_LDFLAGS) $(libwithsctp_la_OBJECTS) $(libwithsctp_la_LIBADD) $(LIBS)
+install-binPROGRAMS: $(bin_PROGRAMS)
+ @$(NORMAL_INSTALL)
+ test -z "$(bindir)" || $(mkdir_p) "$(DESTDIR)$(bindir)"
+ @list='$(bin_PROGRAMS)'; for p in $$list; do \
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+ if test -f $$p \
+ || test -f $$p1 \
+ ; then \
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+ echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) --mode=install $(binPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(bindir)/$$f'"; \
+ $(INSTALL_PROGRAM_ENV) $(LIBTOOL) --mode=install $(binPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(bindir)/$$f" || exit 1; \
+ else :; fi; \
+ done
+
+uninstall-binPROGRAMS:
+ @$(NORMAL_UNINSTALL)
+ @list='$(bin_PROGRAMS)'; for p in $$list; do \
+ f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
+ echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
+ rm -f "$(DESTDIR)$(bindir)/$$f"; \
+ done
+
+clean-binPROGRAMS:
+ @list='$(bin_PROGRAMS)'; for p in $$list; do \
+ f=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+ echo " rm -f $$p $$f"; \
+ rm -f $$p $$f ; \
+ done
+checksctp$(EXEEXT): $(checksctp_OBJECTS) $(checksctp_DEPENDENCIES)
+ @rm -f checksctp$(EXEEXT)
+ $(LINK) $(checksctp_LDFLAGS) $(checksctp_OBJECTS) $(checksctp_LDADD) $(LIBS)
+install-binSCRIPTS: $(bin_SCRIPTS)
+ @$(NORMAL_INSTALL)
+ test -z "$(bindir)" || $(mkdir_p) "$(DESTDIR)$(bindir)"
+ @list='$(bin_SCRIPTS)'; for p in $$list; do \
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+ echo " $(binSCRIPT_INSTALL) '$$d$$p' '$(DESTDIR)$(bindir)/$$f'"; \
+ $(binSCRIPT_INSTALL) "$$d$$p" "$(DESTDIR)$(bindir)/$$f"; \
+ else :; fi; \
+ done
+
+uninstall-binSCRIPTS:
+ @$(NORMAL_UNINSTALL)
+ @list='$(bin_SCRIPTS)'; for p in $$list; do \
+ f=`echo "$$p" | sed 's|^.*/||;$(transform)'`; \
+ echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
+ rm -f "$(DESTDIR)$(bindir)/$$f"; \
+ done
+
+mostlyclean-compile:
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+
+distclean-compile:
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+
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+ f=$(am__strip_dir) \
+ echo " rm -f '$(DESTDIR)$(pkgdocdir)/$$f'"; \
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+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$tags $$unique; \
+ fi
+ctags: CTAGS
+CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ tags=; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ test -z "$(CTAGS_ARGS)$$tags$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$tags $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && cd $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ $(mkdir_p) $(distdir)/../..
+ @srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
+ list='$(DISTFILES)'; for file in $$list; do \
+ case $$file in \
+ $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+ $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
+ esac; \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test "$$dir" != "$$file" && test "$$dir" != "."; then \
+ dir="/$$dir"; \
+ $(mkdir_p) "$(distdir)$$dir"; \
+ else \
+ dir=''; \
+ fi; \
+ if test -d $$d/$$file; then \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+ fi; \
+ cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+ else \
+ test -f $(distdir)/$$file \
+ || cp -p $$d/$$file $(distdir)/$$file \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES) $(PROGRAMS) $(SCRIPTS) $(DATA)
+installdirs:
+ for dir in "$(DESTDIR)$(pkglibdir)" "$(DESTDIR)$(bindir)" "$(DESTDIR)$(bindir)" "$(DESTDIR)$(pkgdocdir)"; do \
+ test -z "$$dir" || $(mkdir_p) "$$dir"; \
+ done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ `test -z '$(STRIP)' || \
+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+ -test -z "$(MOSTLYCLEANFILES)" || rm -f $(MOSTLYCLEANFILES)
+
+clean-generic:
+ -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+ -test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libtool \
+ clean-pkglibLTLIBRARIES mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-libtool distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am: install-pkgdocDATA
+
+install-exec-am: install-binPROGRAMS install-binSCRIPTS \
+ install-pkglibLTLIBRARIES
+
+install-info: install-info-am
+
+install-man:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binPROGRAMS uninstall-binSCRIPTS \
+ uninstall-info-am uninstall-pkgdocDATA \
+ uninstall-pkglibLTLIBRARIES
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-binPROGRAMS \
+ clean-generic clean-libtool clean-pkglibLTLIBRARIES ctags \
+ distclean distclean-compile distclean-generic \
+ distclean-libtool distclean-tags distdir dvi dvi-am html \
+ html-am info info-am install install-am install-binPROGRAMS \
+ install-binSCRIPTS install-data install-data-am install-exec \
+ install-exec-am install-info install-info-am install-man \
+ install-pkgdocDATA install-pkglibLTLIBRARIES install-strip \
+ installcheck installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ tags uninstall uninstall-am uninstall-binPROGRAMS \
+ uninstall-binSCRIPTS uninstall-info-am uninstall-pkgdocDATA \
+ uninstall-pkglibLTLIBRARIES
+
+
+# To modify this target for another language, just copy, paste and
+# modify the target to generate directories.h. We depend on
+# config.status and Makefile.dirs, as anything changed is going to be
+# reflected there.
+
+# This is for generating the list in C/C++
+directories.h: $(top_builddir)/config.status $(top_srcdir)/Makefile.dirs
+ @rm -f $@
+ @echo -n "Creating $@ ..."
+ @echo "#ifndef __$(subst .,_,$@)__" > $@
+ @echo "# define __$(subst .,_,$@)__" >> $@
+ @echo "" >> $@
+ @echo -e $(foreach v,$(directories),$(shell echo 'D_$(v) \"$($v)\"\\n')) \
+ | sed 's/^ *D_/# define D_/' >> $@
+ @echo "#endif" >> $@
+ @echo " done"
+
+# -*-makefile-*-
+#
+# Generate pre-parsed C code.
+%.i: %.c
+ $(COMPILE) -E -c $^ -o $@
+
+.PRECIOUS: %.i
+%.ci: %.i
+ -grep -v -e "^#" -e "^ *$$" $^ | indent > $@
+ mv -f $@ $^
+
+withsctp: withsctp.in
+ $(edit) $< >$@
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
--- /dev/null
+This is a package to let you use SCTP with your existing TCP-based binaries.
+
+usage:
+
+$ withsctp xinetd # Start xinetd stream services on SCTP.
+$ withsctp telnet localhost # Make a telnet over SCTP/IP connection.
+
+To install, edit the top of Makefile to set your install path(s) and then
+
+$ make all
+# make install
+
+This package originally written by La Monte H.P. Yarroll <piggy@acm.org>.
+To submit fixes or bug reports see lksctp.sourceforget.net.
+You can try the author or lksctp-developers@lists.sourceforget.net for support.
--- /dev/null
+/* Does this host have SCTP?
+ *
+ * Copyright 2003 La Monte HP Yarroll <piggy@acm.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with
+ * the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+/* IPPROTO_SCTP SHOULD be defined in
+ * /usr/include/linux/in.h but probably isn't.
+ * It is an enum element, not a #define, so we can't easily check.
+ */
+#define SHOULD_IPPROTO_SCTP 132
+
+main()
+{
+ int fd;
+
+ fd = socket(PF_INET, SOCK_STREAM, SHOULD_IPPROTO_SCTP);
+
+ if (fd <= 0) {
+ perror("checksctp");
+ exit(1);
+ } else {
+ fprintf(stderr, "SCTP supported\n");
+ }
+
+ close(fd);
+ exit(0);
+}
--- /dev/null
+/* Wrap bind() to force the protocol for STREAM connections to SCTP.
+ *
+ * Thanks to Midgard Security Services for
+ * http://www.securiteam.com/tools/3D5PTR5QAE.html
+ * from whence I cribbed the code to find the old bind().
+ *
+ * gcc sctp_socket.c sctp_bind.c -o sctp_socket.so -ldl -shared -O2 -s
+ * export LD_PRELOAD=./sctp_socket.so
+ *
+ * Copyright 2003 La Monte HP Yarroll <piggy@acm.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with
+ * the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <string.h> /* for strncmp() */
+#include <stdio.h>
+#include "sctp_socket.h"
+
+/* IPPROTO_SCTP SHOULD be defined in
+ * /usr/include/linux/in.h but probably isn't.
+ * It is an enum element, not a #define, so we can't easily check.
+ */
+#define SHOULD_IPPROTO_SCTP 132
+
+int
+bind(int sockfd, const struct sockaddr *my_addr, socklen_t addrlen)
+{
+ _sctp_load_libs();
+
+ /* STUB. The intent is to allow us to substitute an elaborate call to
+ * bindx() for the initial call to bind(). TBD.
+ */
+
+ return (real_bind)(sockfd, my_addr, addrlen);
+}
--- /dev/null
+/* Load the real underlying functions for withsctp and related scripts.
+ *
+ * Copyright 2003 La Monte HP Yarroll <piggy@acm.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with
+ * the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include "sctp_socket.h"
+
+int (*real_bind)(int sockfd, const struct sockaddr *my_addr, socklen_t addrlen);
+int (*real_socket)(int domain, int type, int protocol);
+int (*real_setsockopt)(int s, int level, int optname, const void *optval,
+ socklen_t optlen);
+static void *lib_handle = NULL;
+
+void
+_sctp_load_libs(void)
+{
+ if (NULL != lib_handle) return; /* Only init once. */
+
+ if (!(lib_handle = dlopen("libc.so", RTLD_LAZY))) {
+ if (!(lib_handle = dlopen("libc.so.6", RTLD_LAZY))) {
+ fprintf(stderr, "error loading libc!\n");
+ exit (1);
+ }
+ }
+
+ if (!(real_socket = dlsym(lib_handle, "socket"))) {
+ fprintf(stderr, "socket() not found in libc!\n");
+ exit (1);
+ }
+
+ if (!(real_bind = dlsym(lib_handle, "bind"))) {
+ fprintf(stderr, "bind() not found in libc!\n");
+ exit (1);
+ }
+
+ if (!(real_setsockopt = dlsym(lib_handle, "setsockopt"))) {
+ fprintf(stderr, "setsockopt() not found in libc!\n");
+ exit (1);
+ }
+}
--- /dev/null
+/* Wrap socket() to force the protocol to SCTP for STREAM connections.
+ *
+ * Thanks to Midgard Security Services for
+ * http://www.securiteam.com/tools/3D5PTR5QAE.html
+ * from whence I cribbed the code to find the old socket().
+ *
+ * gcc sctp_socket.c -o sctp_socket.so -ldl -shared -O2 -s
+ * export LD_PRELOAD=./sctp_socket.so
+ *
+ * Copyright 2003 La Monte HP Yarroll <piggy@acm.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with
+ * the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <string.h> /* for strncmp() */
+#include <stdio.h>
+#include "sctp_socket.h"
+
+/* IPPROTO_SCTP SHOULD be defined in
+ * /usr/include/linux/in.h but probably isn't.
+ * It is an enum element, not a #define, so we can't easily check.
+ */
+#define SHOULD_IPPROTO_SCTP 132
+
+int
+socket(int domain, int type, int protocol)
+{
+ _sctp_load_libs();
+
+ if (((PF_INET == domain) || (PF_INET6 == domain))
+ && (SOCK_STREAM == type)) {
+ protocol = SHOULD_IPPROTO_SCTP;
+ }
+
+ return (real_socket)(domain, type, protocol);
+}
--- /dev/null
+/* Preprocessor definitions for withsctp and supporting scripts.
+ *
+ * Copyright 2003 La Monte HP Yarroll <piggy@acm.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with
+ * the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * Copyright 2003 La Monte HP Yarroll <piggy@acm.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with
+ * the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <dlfcn.h> /* for dlopen() and company */
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/sctp.h>
+#include <netinet/tcp.h>
+
+extern int (*real_bind)(int sockfd, const struct sockaddr *my_addr, socklen_t addrlen);
+extern int (*real_socket)(int domain, int type, int protocol);
+extern int (*real_setsockopt)(int s, int level, int optname, const void *optval,
+ socklen_t optlen);
+extern void _sctp_load_libs(void);
--- /dev/null
+/* Wrap socket() to force the protocol to SCTP for STREAM connections.
+ *
+ * Thanks to Midgard Security Services for
+ * http://www.securiteam.com/tools/3D5PTR5QAE.html
+ * from whence I cribbed the code to find the old socket().
+ *
+ * Copyright 2003 La Monte HP Yarroll <piggy@acm.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with
+ * the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <string.h> /* for strncmp() */
+#include <stdio.h>
+#include "sctp_socket.h"
+
+/* IPPROTO_SCTP SHOULD be defined in
+ * /usr/include/linux/in.h but probably isn't.
+ * It is an enum element, not a #define, so we can't easily check.
+ */
+#define SHOULD_IPPROTO_SCTP 132
+
+int
+setsockopt(int s, int level, int optname, const void *optval, socklen_t optlen)
+{
+ _sctp_load_libs();
+
+ if ((IPPROTO_TCP == level) && (TCP_NODELAY == optname)) {
+ level = SHOULD_IPPROTO_SCTP;
+ optname = SCTP_NODELAY;
+ }
+
+ return (real_setsockopt)(s, level, optname, optval, optlen);
+}
--- /dev/null
+#!/bin/sh
+# -*- sh -*-
+LIBDIR=@libdir@/@PACKAGE@
+BINDIR=@bindir@
+export LD_PRELOAD=${LIBDIR}/libwithsctp.so.1.0.10
+if ! ${BINDIR}/checksctp 2> /dev/null
+then
+ ${BINDIR}/checksctp;
+ exit 1;
+fi
+
+exec $*
projects / platform / upstream / lksctp-tools.git / commitdiff