1998-05-19 15:58 Ulrich Drepper <drepper@cygnus.com>
* elf/rtld.c (process_envvars): Fix typo. Don't handle
LD_PROFILE_OUTPUT in SUID binaries.
* intl/dcgettext.c: In SUID binaries don't let language part of
locale value contain path elements.
* intl/explodename.h: Define new function _nl_find_language.
* intl/loadinfo.h: Declare _nl_find_language.
* locale/findlocale.c (_nl_find_locale): Use _nl_find_locale to get
language part it drop the value is path element is contained.
* locale/setlocale.c: Fix typo.
1998-05-18 Philip Blundell <Philip.Blundell@pobox.com>
* sysdeps/unix/sysv/linux/arm/socket.S: Correct handling of arguments.
* sysdeps/arm/strlen.S: Support both big and little endian processors.
* sysdeps/arm/sysdep.h (ALIGNARG): ELF .align directive uses a
log, not a byte-count.
* sysdeps/unix/arm/sysdep.S (syscall_error): Use C_SYMBOL_NAME for
a.out compatibility.
1998-05-19 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/unix/bsd/vax/vfork.S: Fix the "the the" problems.
* sysdeps/unix/bsd/sun/m68k/vfork.S: Likewise.
* sysdeps/unix/bsd/hp/m68k/vfork.S: Likewise.
* posix/unistd.h: Likewise.
* math/math.h: Likewise.
* manual/users.texi (Manipulating the Database): Likewise.
* manual/signal.texi (Job Control Signals): Likewise.
* manual/message.texi (The gencat program): Likewise.
* manual/filesys.texi (Hard Links): Likewise.
* manual/math.texi (SVID Random): Likewise.
* manual/llio.texi (Waiting for I/O): Likewise.
* manual/io.texi (File Name Errors): Likewise.
* manual/conf.texi (String Parameters): Likewise.
* manual/arith.texi (Infinity): Likewise.
* malloc/malloc.c: Likewise.
* hurd/hurdsig.c (_hurd_internal_post_signal): Likewise.
* csu/Makefile: Likewise.
+1998-05-19 15:58 Ulrich Drepper <drepper@cygnus.com>
+
+ * elf/rtld.c (process_envvars): Fix typo. Don't handle
+ LD_PROFILE_OUTPUT in SUID binaries.
+ * intl/dcgettext.c: In SUID binaries don't let language part of
+ locale value contain path elements.
+ * intl/explodename.h: Define new function _nl_find_language.
+ * intl/loadinfo.h: Declare _nl_find_language.
+ * locale/findlocale.c (_nl_find_locale): Use _nl_find_locale to get
+ language part it drop the value is path element is contained.
+
+ * locale/setlocale.c: Fix typo.
+
+1998-05-18 Philip Blundell <Philip.Blundell@pobox.com>
+
+ * sysdeps/unix/sysv/linux/arm/socket.S: Correct handling of arguments.
+
+ * sysdeps/arm/strlen.S: Support both big and little endian processors.
+
+ * sysdeps/arm/sysdep.h (ALIGNARG): ELF .align directive uses a
+ log, not a byte-count.
+
+ * sysdeps/unix/arm/sysdep.S (syscall_error): Use C_SYMBOL_NAME for
+ a.out compatibility.
+
+1998-05-19 Andreas Jaeger <aj@arthur.rhein-neckar.de>
+
+ * sysdeps/unix/bsd/vax/vfork.S: Fix the "the the" problems.
+ * sysdeps/unix/bsd/sun/m68k/vfork.S: Likewise.
+ * sysdeps/unix/bsd/hp/m68k/vfork.S: Likewise.
+ * posix/unistd.h: Likewise.
+ * math/math.h: Likewise.
+ * manual/users.texi (Manipulating the Database): Likewise.
+ * manual/signal.texi (Job Control Signals): Likewise.
+ * manual/message.texi (The gencat program): Likewise.
+ * manual/filesys.texi (Hard Links): Likewise.
+ * manual/math.texi (SVID Random): Likewise.
+ * manual/llio.texi (Waiting for I/O): Likewise.
+ * manual/io.texi (File Name Errors): Likewise.
+ * manual/conf.texi (String Parameters): Likewise.
+ * manual/arith.texi (Infinity): Likewise.
+ * malloc/malloc.c: Likewise.
+ * hurd/hurdsig.c (_hurd_internal_post_signal): Likewise.
+ * csu/Makefile: Likewise.
+
1998-05-19 12:16 Ulrich Drepper <drepper@cygnus.com>
* manual/memory.texi: Add back accidently removed line.
ifndef start-installed-name-rule
ifeq (yes,$(elf))
# We link the ELF startfile along with a SHT_NOTE section indicating
-# the the kernel ABI the binaries linked with this library will require.
+# the kernel ABI the binaries linked with this library will require.
$(objpfx)$(start-installed-name): $(objpfx)start.o $(objpfx)abi-note.o \
$(objpfx)init.o
$(link-relocatable)
break;
case 10:
- /* mask for the important hardware capabilities. */
+ /* Mask for the important hardware capabilities. */
if (memcmp (&envline[3], "HWCAP_MASK", 10) == 0)
_dl_hwcap_mask = strtoul (&envline[14], NULL, 0);
break;
case 14:
/* Where to place the profiling data file. */
- if (memcmp (&envline[3], "PROFILE_OUTPUT", 14) == 0)
+ if (!__libc_enable_secure
+ && memcmp (&envline[3], "PROFILE_OUTPUT", 14) == 0)
{
_dl_profile_output = &envline[18];
if (*_dl_profile_output == '\0')
/* In a critical section, any RPC
should be cancelled instead of
restarted, regardless of
- SA_RESTART, so the the entire
+ SA_RESTART, so the entire
"atomic" operation can be aborted
as a unit. */
crit ? 0 : signo, 1,
# define DCGETTEXT dcgettext__
#endif
+/* Checking whether the binaries runs SUID must be done and glibc provides
+ easier methods therefore we make a difference here. */
+#ifdef _LIBC
+# define ENABLE_SECURE __libc_enable_secure
+# define DETERMINE_SECURE
+#else
+static int enable_secure;
+# define ENABLE_SECURE (enable_secure == 1)
+# define DETERMINE_SECURE \
+ if (enable_secure == 0) \
+ { \
+ if (getuid () != geteuid () || getgid () != getegid ()) \
+ enable_secure = 1; \
+ else \
+ enable_secure = -1; \
+ }
+#endif
+
/* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY
locale. */
char *
if (msgid == NULL)
return NULL;
+ /* See whether this is a SUID binary or not. */
+ DETERMINE_SECURE;
+
/* If DOMAINNAME is NULL, we are interested in the default domain. If
CATEGORY is not LC_MESSAGES this might not make much sense but the
- defintion left this undefined. */
+ definition left this undefined. */
if (domainname == NULL)
domainname = _nl_current_default_domain;
/* Search for the given string. This is a loop because we perhaps
- got an ordered list of languages to consider for th translation. */
+ got an ordered list of languages to consider for the translation. */
while (1)
{
/* Make CATEGORYVALUE point to the next element of the list. */
while (categoryvalue[0] != '\0' && categoryvalue[0] != ':')
*cp++ = *categoryvalue++;
*cp = '\0';
+
+ /* When this is a SUID binary we must not allow accessing files
+ outside the dedicated directories. */
+ if (ENABLE_SECURE
+ && (memchr (single_locale, '/',
+ _nl_find_language (single_locale) - single_locale)
+ != NULL))
+ /* Ingore this entry. */
+ continue;
}
/* If the current locale value is C (or POSIX) we don't load a
/* @@ end of prolog @@ */
+char *
+_nl_find_language (const char *name)
+{
+ while (name[0] != '\0' && name[0] != '_' && name[0] != '@'
+ && name[0] != '+' && name[0] != ',')
+ ++name;
+
+ return (char *) name;
+}
+
+
int
_nl_explode_name (name, language, modifier, territory, codeset,
normalized_codeset, special, sponsor, revision)
mask = 0;
syntax = undecided;
*language = cp = name;
- while (cp[0] != '\0' && cp[0] != '_' && cp[0] != '@'
- && cp[0] != '+' && cp[0] != ',')
- ++cp;
+ cp = _nl_find_language (*language);
if (*language == cp)
/* This does not make sense: language has to be specified. Use
const char **special,
const char **sponsor,
const char **revision));
+
+extern char *_nl_find_language PARAMS ((const char *name));
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
#include <locale.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
#include <sys/mman.h>
#include "localeinfo.h"
const char *revision;
struct loaded_l10nfile *locale_file;
- if ((*name)[0] == '\0')
+ if ((*name)[0] == '\0'
+ /* In SUID binaries we must not allow people to access files
+ outside the dedicated locale directories. */
+ || (__libc_enable_secure
+ && memchr (*name, '/', _nl_find_language (*name) - *name) != NULL))
{
/* The user decides which locale to use by setting environment
variables. */
-/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 95, 96, 97, 98 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
/* We must not simply free a global locale since we have no
control over the usage. So we mark it as un-deletable.
- Note: do ont remove the `if', it's necessary to copy with
+ Note: do not remove the `if', it's necessary to copy with
the builtin locale data. */
if (newdata->usage_count != UNDELETABLE)
newdata->usage_count = UNDELETABLE;
mallocs with other sbrk calls.
- All allocations are made from the the `lowest' part of any found
+ All allocations are made from the `lowest' part of any found
chunk. (The implementation invariant is that prev_inuse is
always true of any allocated chunk; i.e., that each allocated
chunk borders either a previously allocated and still in-use chunk,
Beside @code{INFINITY} also the value @code{-INFINITY} is representable
and it is handled differently if needed. It is possible to test a
value for infiniteness using a simple comparison but the
-recommended way is to use the the @code{isinf} function.
+recommended way is to use the @code{isinf} function.
This macro was introduced in the @w{ISO C 9X} standard.
@end deftypevr
@comment Unix98
@item _CS_LFS_LINTFLAGS
The returned string specifies which additional flags must be given to
-the the lint tool if a source is compiled using the
+the lint tool if a source is compiled using the
@code{_LARGEFILE_SOURCE} feature select macro; @pxref{Feature Test Macros}.
@comment unistd.h
@comment Unix98
@item _CS_LFS64_LINTFLAGS
The returned string specifies which additional flags must be given to
-the the lint tool if a source is compiled using the
+the lint tool if a source is compiled using the
@code{_LARGEFILE64_SOURCE} feature select macro; @pxref{Feature Test Macros}.
@end table
by which the file can be known, in addition to the file's existing name
or names.
-One file can have names in several directories, so the the organization
+One file can have names in several directories, so the organization
of the file system is not a strict hierarchy or tree.
In most implementations, it is not possible to have hard links to the
of the file name.
@item ENAMETOOLONG
-This error is used when either the the total length of a file name is
+This error is used when either the total length of a file name is
greater than @code{PATH_MAX}, or when an individual file name component
has a length greater than @code{NAME_MAX}. @xref{Limits for Files}.
@comment BSD
@deftypefn Macro int FD_ISSET (int @var{filedes}, fd_set *@var{set})
This macro returns a nonzero value (true) if @var{filedes} is a member
-of the the file descriptor set @var{set}, and zero (false) otherwise.
+of the file descriptor set @var{set}, and zero (false) otherwise.
@end deftypefn
Next, here is the description of the @code{select} function itself.
From the seven elements in the array @var{param} the least significant
16 bits of the entries @code{@var{param}[0]} to @code{@var{param}[2]}
-determine the the initial state, the least 16 bits of
+determine the initial state, the least 16 bits of
@code{@var{param}[3]} to @code{@var{param}[5]} determine the 48 bit
constant @code{a} and @code{@var{param}[6]} determines the 16 bit value
@code{c}.
The @code{gencat} program is specified in the X/Open standard and the
GNU implementation follows this specification and so allows to process
all correctly formed input files. Additionally some extension are
-implemented which help to work in a more reasonable way with the the
+implemented which help to work in a more reasonable way with the
@code{catgets} functions.
The @code{gencat} program can be invoked in two ways:
@comment signal.h
@comment POSIX.1
@deftypevr Macro int SIGTTIN
-A process cannot read from the the user's terminal while it is running
+A process cannot read from the user's terminal while it is running
as a background job. When any process in a background job tries to
read from the terminal, all of the processes in the job are sent a
@code{SIGTTIN} signal. The default action for this signal is to
@code{OLD_TIME} or @code{NEW_TIME} the entries match if the
@code{ut_type} members are identical. If the @code{ut_type} member of
the @var{id} structure is @code{INIT_PROCESS}, @code{LOGIN_PROCESS},
-@code{USER_PROCESS} or @code{DEAD_PROCESS}, the entries match if the the
+@code{USER_PROCESS} or @code{DEAD_PROCESS}, the entries match if the
@code{ut_type} member of the entry read from the database is one of
these four, and the @code{ut_id} members match. However if the
@code{ut_id} member of either the @var{id} structure or the entry read
FP_FAST_FMA
FP_FAST_FMAF
FP_FAST_FMAL
- If defined it indicates that the the `fma' function
+ If defined it indicates that the `fma' function
generally executes about as fast as a multiply and an add.
This macro is defined only iff the `fma' function is
implemented directly with a hardware multiply-add instructions.
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
/* Clone the calling process, but without copying the whole address space.
- The the calling process is suspended until the the new process exits or is
+ The calling process is suspended until the the new process exits or is
replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
and the process ID of the new process to the old process. */
extern __pid_t __vfork __P ((void));
rsb r0, r3, $0 @ get - that number into counter.
beq Laligned @ skip into main check routine if no
@ more
+#ifdef __ARMEB__
orr r2, r2, $0xff000000 @ set this byte to non-zero
subs r3, r3, $1 @ any more to do?
orrgt r2, r2, $0x00ff0000 @ if so, set this byte
subs r3, r3, $1 @ more?
orrgt r2, r2, $0x0000ff00 @ then set.
+#else
+ orr r2, r2, $0x000000ff @ set this byte to non-zero
+ subs r3, r3, $1 @ any more to do?
+ orrgt r2, r2, $0x0000ff00 @ if so, set this byte
+ subs r3, r3, $1 @ more?
+ orrgt r2, r2, $0x00ff0000 @ then set.
+#endif
Laligned: @ here, we have a word in r2. Does it
tst r2, $0x000000ff @ contain any zeroes?
tstne r2, $0x0000ff00 @
#ifdef HAVE_ELF
-/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */
-#define ALIGNARG(log2) 1<<log2
+#define ALIGNARG(log2) log2
/* For ELF we need the `.type' directive to make shared libs work right. */
#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,%##typearg;
#define ASM_SIZE_DIRECTIVE(name) .size name,.-name
#ifdef _LIBC_REENTRANT
stmdb sp!, {r0, lr}
/* put another copy of r0 at a specific errno location */
- bl __errno_location
+ bl C_SYMBOL_NAME(__errno_location)
ldmia sp!, {r1, lr}
str r1, [r0]
#endif
#endif
/* Clone the calling process, but without copying the whole address space.
- The the calling process is suspended until the the new process exits or is
+ The calling process is suspended until the the new process exits or is
replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
and the process ID of the new process to the old process. */
.globl ___vfork
#endif
/* Clone the calling process, but without copying the whole address space.
- The the calling process is suspended until the the new process exits or is
+ The calling process is suspended until the the new process exits or is
replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
and the process ID of the new process to the old process. */
.globl ___vfork
#endif
/* Clone the calling process, but without copying the whole address space.
- The the calling process is suspended until the the new process exits or is
+ The calling process is suspended until the the new process exits or is
replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
and the process ID of the new process to the old process. */
.globl ___vfork
#define __socket P(__,socket)
#endif
+#define PUSHARGS_1 stmfd ip!, {a1}
+#define PUSHARGS_2 stmfd ip!, {a1, a2}
+#define PUSHARGS_3 stmfd ip!, {a1, a2, a3}
+#define PUSHARGS_4 stmfd ip!, {a1, a2, a3, a4}
+#define PUSHARGS_5 stmfd ip!, {a1, a2, a3, a4} /* Caller has already pushed arg 5 */
+#define PUSHARGS_6 stmfd ip!, {a1, a2, a3, a4}
+
+#ifndef NARGS
+#define NARGS 3 /* If we were called with no wrapper, this is really socket() */
+#endif
+
.globl __socket
ENTRY (__socket)
+ /* Push args onto the stack. */
+ mov ip, sp
+ P(PUSHARGS_,NARGS)
/* Do the system call trap. */
+ mov a1, $P(SOCKOP_,socket)
+ mov a2, ip
swi SYS_ify(socketcall)
/* r0 is < 0 if there was an error. */
bhs PLTJMP(syscall_error)
/* Successful; return the syscall's value. */
- RETINSTR(mov,pc,r14)
+ ret
PSEUDO_END (__socket)
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