3 /***************************************************************************
5 * Project ___| | | | _ \| |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
10 * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at http://curl.haxx.se/docs/copyright.html.
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
23 ***************************************************************************/
26 * If you have libcurl problems, all docs and details are found here:
27 * http://curl.haxx.se/libcurl/
29 * curl-library mailing list subscription and unsubscription web interface:
30 * http://cool.haxx.se/mailman/listinfo/curl-library/
33 #include "curlver.h" /* libcurl version defines */
34 #include "curlbuild.h" /* libcurl build definitions */
35 #include "curlrules.h" /* libcurl rules enforcement */
38 * Define WIN32 when build target is Win32 API
41 #if (defined(_WIN32) || defined(__WIN32__)) && \
42 !defined(WIN32) && !defined(__SYMBIAN32__)
49 #if defined(__FreeBSD__) && (__FreeBSD__ >= 2)
50 /* Needed for __FreeBSD_version symbol definition */
51 #include <osreldate.h>
54 /* The include stuff here below is mainly for time_t! */
55 #include <sys/types.h>
58 #if defined(WIN32) && !defined(_WIN32_WCE) && !defined(__CYGWIN__)
59 #if !(defined(_WINSOCKAPI_) || defined(_WINSOCK_H) || defined(__LWIP_OPT_H__))
60 /* The check above prevents the winsock2 inclusion if winsock.h already was
61 included, since they can't co-exist without problems */
67 /* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
68 libc5-based Linux systems. Only include it on systems that are known to
70 #if defined(_AIX) || defined(__NOVELL_LIBC__) || defined(__NetBSD__) || \
71 defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY) || \
72 defined(ANDROID) || defined(__ANDROID__) || \
73 (defined(__FreeBSD_version) && (__FreeBSD_version < 800000))
74 #include <sys/select.h>
77 #if !defined(WIN32) && !defined(_WIN32_WCE)
78 #include <sys/socket.h>
81 #if !defined(WIN32) && !defined(__WATCOMC__) && !defined(__VXWORKS__)
86 #include <support/SupportDefs.h>
96 * libcurl external API function linkage decorations.
101 #elif defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__)
102 # if defined(BUILDING_LIBCURL)
103 # define CURL_EXTERN __declspec(dllexport)
105 # define CURL_EXTERN __declspec(dllimport)
107 #elif defined(BUILDING_LIBCURL) && defined(CURL_HIDDEN_SYMBOLS)
108 # define CURL_EXTERN CURL_EXTERN_SYMBOL
113 #ifndef curl_socket_typedef
115 #if defined(WIN32) && !defined(__LWIP_OPT_H__)
116 typedef SOCKET curl_socket_t;
117 #define CURL_SOCKET_BAD INVALID_SOCKET
119 typedef int curl_socket_t;
120 #define CURL_SOCKET_BAD -1
122 #define curl_socket_typedef
123 #endif /* curl_socket_typedef */
125 struct curl_httppost {
126 struct curl_httppost *next; /* next entry in the list */
127 char *name; /* pointer to allocated name */
128 long namelength; /* length of name length */
129 char *contents; /* pointer to allocated data contents */
130 long contentslength; /* length of contents field */
131 char *buffer; /* pointer to allocated buffer contents */
132 long bufferlength; /* length of buffer field */
133 char *contenttype; /* Content-Type */
134 struct curl_slist* contentheader; /* list of extra headers for this form */
135 struct curl_httppost *more; /* if one field name has more than one
136 file, this link should link to following
138 long flags; /* as defined below */
139 #define HTTPPOST_FILENAME (1<<0) /* specified content is a file name */
140 #define HTTPPOST_READFILE (1<<1) /* specified content is a file name */
141 #define HTTPPOST_PTRNAME (1<<2) /* name is only stored pointer
142 do not free in formfree */
143 #define HTTPPOST_PTRCONTENTS (1<<3) /* contents is only stored pointer
144 do not free in formfree */
145 #define HTTPPOST_BUFFER (1<<4) /* upload file from buffer */
146 #define HTTPPOST_PTRBUFFER (1<<5) /* upload file from pointer contents */
147 #define HTTPPOST_CALLBACK (1<<6) /* upload file contents by using the
148 regular read callback to get the data
149 and pass the given pointer as custom
152 char *showfilename; /* The file name to show. If not set, the
153 actual file name will be used (if this
155 void *userp; /* custom pointer used for
156 HTTPPOST_CALLBACK posts */
159 typedef int (*curl_progress_callback)(void *clientp,
165 #ifndef CURL_MAX_WRITE_SIZE
166 /* Tests have proven that 20K is a very bad buffer size for uploads on
167 Windows, while 16K for some odd reason performed a lot better.
168 We do the ifndef check to allow this value to easier be changed at build
169 time for those who feel adventurous. The practical minimum is about
170 400 bytes since libcurl uses a buffer of this size as a scratch area
171 (unrelated to network send operations). */
172 #define CURL_MAX_WRITE_SIZE 16384
175 #ifndef CURL_MAX_HTTP_HEADER
176 /* The only reason to have a max limit for this is to avoid the risk of a bad
177 server feeding libcurl with a never-ending header that will cause reallocs
179 #define CURL_MAX_HTTP_HEADER (100*1024)
182 /* This is a magic return code for the write callback that, when returned,
183 will signal libcurl to pause receiving on the current transfer. */
184 #define CURL_WRITEFUNC_PAUSE 0x10000001
186 typedef size_t (*curl_write_callback)(char *buffer,
193 /* enumeration of file types */
195 CURLFILETYPE_FILE = 0,
196 CURLFILETYPE_DIRECTORY,
197 CURLFILETYPE_SYMLINK,
198 CURLFILETYPE_DEVICE_BLOCK,
199 CURLFILETYPE_DEVICE_CHAR,
200 CURLFILETYPE_NAMEDPIPE,
202 CURLFILETYPE_DOOR, /* is possible only on Sun Solaris now */
204 CURLFILETYPE_UNKNOWN /* should never occur */
207 #define CURLFINFOFLAG_KNOWN_FILENAME (1<<0)
208 #define CURLFINFOFLAG_KNOWN_FILETYPE (1<<1)
209 #define CURLFINFOFLAG_KNOWN_TIME (1<<2)
210 #define CURLFINFOFLAG_KNOWN_PERM (1<<3)
211 #define CURLFINFOFLAG_KNOWN_UID (1<<4)
212 #define CURLFINFOFLAG_KNOWN_GID (1<<5)
213 #define CURLFINFOFLAG_KNOWN_SIZE (1<<6)
214 #define CURLFINFOFLAG_KNOWN_HLINKCOUNT (1<<7)
216 /* Content of this structure depends on information which is known and is
217 achievable (e.g. by FTP LIST parsing). Please see the url_easy_setopt(3) man
218 page for callbacks returning this structure -- some fields are mandatory,
219 some others are optional. The FLAG field has special meaning. */
220 struct curl_fileinfo {
222 curlfiletype filetype;
231 /* If some of these fields is not NULL, it is a pointer to b_data. */
236 char *target; /* pointer to the target filename of a symlink */
241 /* used internally */
247 /* return codes for CURLOPT_CHUNK_BGN_FUNCTION */
248 #define CURL_CHUNK_BGN_FUNC_OK 0
249 #define CURL_CHUNK_BGN_FUNC_FAIL 1 /* tell the lib to end the task */
250 #define CURL_CHUNK_BGN_FUNC_SKIP 2 /* skip this chunk over */
252 /* if splitting of data transfer is enabled, this callback is called before
253 download of an individual chunk started. Note that parameter "remains" works
254 only for FTP wildcard downloading (for now), otherwise is not used */
255 typedef long (*curl_chunk_bgn_callback)(const void *transfer_info,
259 /* return codes for CURLOPT_CHUNK_END_FUNCTION */
260 #define CURL_CHUNK_END_FUNC_OK 0
261 #define CURL_CHUNK_END_FUNC_FAIL 1 /* tell the lib to end the task */
263 /* If splitting of data transfer is enabled this callback is called after
264 download of an individual chunk finished.
265 Note! After this callback was set then it have to be called FOR ALL chunks.
266 Even if downloading of this chunk was skipped in CHUNK_BGN_FUNC.
267 This is the reason why we don't need "transfer_info" parameter in this
268 callback and we are not interested in "remains" parameter too. */
269 typedef long (*curl_chunk_end_callback)(void *ptr);
271 /* return codes for FNMATCHFUNCTION */
272 #define CURL_FNMATCHFUNC_MATCH 0 /* string corresponds to the pattern */
273 #define CURL_FNMATCHFUNC_NOMATCH 1 /* pattern doesn't match the string */
274 #define CURL_FNMATCHFUNC_FAIL 2 /* an error occurred */
276 /* callback type for wildcard downloading pattern matching. If the
277 string matches the pattern, return CURL_FNMATCHFUNC_MATCH value, etc. */
278 typedef int (*curl_fnmatch_callback)(void *ptr,
282 /* These are the return codes for the seek callbacks */
283 #define CURL_SEEKFUNC_OK 0
284 #define CURL_SEEKFUNC_FAIL 1 /* fail the entire transfer */
285 #define CURL_SEEKFUNC_CANTSEEK 2 /* tell libcurl seeking can't be done, so
286 libcurl might try other means instead */
287 typedef int (*curl_seek_callback)(void *instream,
289 int origin); /* 'whence' */
291 /* This is a return code for the read callback that, when returned, will
292 signal libcurl to immediately abort the current transfer. */
293 #define CURL_READFUNC_ABORT 0x10000000
294 /* This is a return code for the read callback that, when returned, will
295 signal libcurl to pause sending data on the current transfer. */
296 #define CURL_READFUNC_PAUSE 0x10000001
298 typedef size_t (*curl_read_callback)(char *buffer,
304 CURLSOCKTYPE_IPCXN, /* socket created for a specific IP connection */
305 CURLSOCKTYPE_ACCEPT, /* socket created by accept() call */
306 CURLSOCKTYPE_LAST /* never use */
309 /* The return code from the sockopt_callback can signal information back
311 #define CURL_SOCKOPT_OK 0
312 #define CURL_SOCKOPT_ERROR 1 /* causes libcurl to abort and return
313 CURLE_ABORTED_BY_CALLBACK */
314 #define CURL_SOCKOPT_ALREADY_CONNECTED 2
316 typedef int (*curl_sockopt_callback)(void *clientp,
317 curl_socket_t curlfd,
318 curlsocktype purpose);
320 struct curl_sockaddr {
324 unsigned int addrlen; /* addrlen was a socklen_t type before 7.18.0 but it
325 turned really ugly and painful on the systems that
327 struct sockaddr addr;
330 typedef curl_socket_t
331 (*curl_opensocket_callback)(void *clientp,
332 curlsocktype purpose,
333 struct curl_sockaddr *address);
336 (*curl_closesocket_callback)(void *clientp, curl_socket_t item);
339 CURLIOE_OK, /* I/O operation successful */
340 CURLIOE_UNKNOWNCMD, /* command was unknown to callback */
341 CURLIOE_FAILRESTART, /* failed to restart the read */
342 CURLIOE_LAST /* never use */
346 CURLIOCMD_NOP, /* no operation */
347 CURLIOCMD_RESTARTREAD, /* restart the read stream from start */
348 CURLIOCMD_LAST /* never use */
351 typedef curlioerr (*curl_ioctl_callback)(CURL *handle,
356 * The following typedef's are signatures of malloc, free, realloc, strdup and
357 * calloc respectively. Function pointers of these types can be passed to the
358 * curl_global_init_mem() function to set user defined memory management
361 typedef void *(*curl_malloc_callback)(size_t size);
362 typedef void (*curl_free_callback)(void *ptr);
363 typedef void *(*curl_realloc_callback)(void *ptr, size_t size);
364 typedef char *(*curl_strdup_callback)(const char *str);
365 typedef void *(*curl_calloc_callback)(size_t nmemb, size_t size);
367 /* the kind of data that is passed to information_callback*/
370 CURLINFO_HEADER_IN, /* 1 */
371 CURLINFO_HEADER_OUT, /* 2 */
372 CURLINFO_DATA_IN, /* 3 */
373 CURLINFO_DATA_OUT, /* 4 */
374 CURLINFO_SSL_DATA_IN, /* 5 */
375 CURLINFO_SSL_DATA_OUT, /* 6 */
379 typedef int (*curl_debug_callback)
380 (CURL *handle, /* the handle/transfer this concerns */
381 curl_infotype type, /* what kind of data */
382 char *data, /* points to the data */
383 size_t size, /* size of the data pointed to */
384 void *userptr); /* whatever the user please */
386 /* All possible error codes from all sorts of curl functions. Future versions
387 may return other values, stay prepared.
389 Always add new return codes last. Never *EVER* remove any. The return
390 codes must remain the same!
395 CURLE_UNSUPPORTED_PROTOCOL, /* 1 */
396 CURLE_FAILED_INIT, /* 2 */
397 CURLE_URL_MALFORMAT, /* 3 */
398 CURLE_NOT_BUILT_IN, /* 4 - [was obsoleted in August 2007 for
399 7.17.0, reused in April 2011 for 7.21.5] */
400 CURLE_COULDNT_RESOLVE_PROXY, /* 5 */
401 CURLE_COULDNT_RESOLVE_HOST, /* 6 */
402 CURLE_COULDNT_CONNECT, /* 7 */
403 CURLE_FTP_WEIRD_SERVER_REPLY, /* 8 */
404 CURLE_REMOTE_ACCESS_DENIED, /* 9 a service was denied by the server
405 due to lack of access - when login fails
406 this is not returned. */
407 CURLE_FTP_ACCEPT_FAILED, /* 10 - [was obsoleted in April 2006 for
408 7.15.4, reused in Dec 2011 for 7.24.0]*/
409 CURLE_FTP_WEIRD_PASS_REPLY, /* 11 */
410 CURLE_FTP_ACCEPT_TIMEOUT, /* 12 - timeout occurred accepting server
411 [was obsoleted in August 2007 for 7.17.0,
412 reused in Dec 2011 for 7.24.0]*/
413 CURLE_FTP_WEIRD_PASV_REPLY, /* 13 */
414 CURLE_FTP_WEIRD_227_FORMAT, /* 14 */
415 CURLE_FTP_CANT_GET_HOST, /* 15 */
416 CURLE_OBSOLETE16, /* 16 - NOT USED */
417 CURLE_FTP_COULDNT_SET_TYPE, /* 17 */
418 CURLE_PARTIAL_FILE, /* 18 */
419 CURLE_FTP_COULDNT_RETR_FILE, /* 19 */
420 CURLE_OBSOLETE20, /* 20 - NOT USED */
421 CURLE_QUOTE_ERROR, /* 21 - quote command failure */
422 CURLE_HTTP_RETURNED_ERROR, /* 22 */
423 CURLE_WRITE_ERROR, /* 23 */
424 CURLE_OBSOLETE24, /* 24 - NOT USED */
425 CURLE_UPLOAD_FAILED, /* 25 - failed upload "command" */
426 CURLE_READ_ERROR, /* 26 - couldn't open/read from file */
427 CURLE_OUT_OF_MEMORY, /* 27 */
428 /* Note: CURLE_OUT_OF_MEMORY may sometimes indicate a conversion error
429 instead of a memory allocation error if CURL_DOES_CONVERSIONS
432 CURLE_OPERATION_TIMEDOUT, /* 28 - the timeout time was reached */
433 CURLE_OBSOLETE29, /* 29 - NOT USED */
434 CURLE_FTP_PORT_FAILED, /* 30 - FTP PORT operation failed */
435 CURLE_FTP_COULDNT_USE_REST, /* 31 - the REST command failed */
436 CURLE_OBSOLETE32, /* 32 - NOT USED */
437 CURLE_RANGE_ERROR, /* 33 - RANGE "command" didn't work */
438 CURLE_HTTP_POST_ERROR, /* 34 */
439 CURLE_SSL_CONNECT_ERROR, /* 35 - wrong when connecting with SSL */
440 CURLE_BAD_DOWNLOAD_RESUME, /* 36 - couldn't resume download */
441 CURLE_FILE_COULDNT_READ_FILE, /* 37 */
442 CURLE_LDAP_CANNOT_BIND, /* 38 */
443 CURLE_LDAP_SEARCH_FAILED, /* 39 */
444 CURLE_OBSOLETE40, /* 40 - NOT USED */
445 CURLE_FUNCTION_NOT_FOUND, /* 41 */
446 CURLE_ABORTED_BY_CALLBACK, /* 42 */
447 CURLE_BAD_FUNCTION_ARGUMENT, /* 43 */
448 CURLE_OBSOLETE44, /* 44 - NOT USED */
449 CURLE_INTERFACE_FAILED, /* 45 - CURLOPT_INTERFACE failed */
450 CURLE_OBSOLETE46, /* 46 - NOT USED */
451 CURLE_TOO_MANY_REDIRECTS , /* 47 - catch endless re-direct loops */
452 CURLE_UNKNOWN_OPTION, /* 48 - User specified an unknown option */
453 CURLE_TELNET_OPTION_SYNTAX , /* 49 - Malformed telnet option */
454 CURLE_OBSOLETE50, /* 50 - NOT USED */
455 CURLE_PEER_FAILED_VERIFICATION, /* 51 - peer's certificate or fingerprint
456 wasn't verified fine */
457 CURLE_GOT_NOTHING, /* 52 - when this is a specific error */
458 CURLE_SSL_ENGINE_NOTFOUND, /* 53 - SSL crypto engine not found */
459 CURLE_SSL_ENGINE_SETFAILED, /* 54 - can not set SSL crypto engine as
461 CURLE_SEND_ERROR, /* 55 - failed sending network data */
462 CURLE_RECV_ERROR, /* 56 - failure in receiving network data */
463 CURLE_OBSOLETE57, /* 57 - NOT IN USE */
464 CURLE_SSL_CERTPROBLEM, /* 58 - problem with the local certificate */
465 CURLE_SSL_CIPHER, /* 59 - couldn't use specified cipher */
466 CURLE_SSL_CACERT, /* 60 - problem with the CA cert (path?) */
467 CURLE_BAD_CONTENT_ENCODING, /* 61 - Unrecognized/bad encoding */
468 CURLE_LDAP_INVALID_URL, /* 62 - Invalid LDAP URL */
469 CURLE_FILESIZE_EXCEEDED, /* 63 - Maximum file size exceeded */
470 CURLE_USE_SSL_FAILED, /* 64 - Requested FTP SSL level failed */
471 CURLE_SEND_FAIL_REWIND, /* 65 - Sending the data requires a rewind
473 CURLE_SSL_ENGINE_INITFAILED, /* 66 - failed to initialise ENGINE */
474 CURLE_LOGIN_DENIED, /* 67 - user, password or similar was not
475 accepted and we failed to login */
476 CURLE_TFTP_NOTFOUND, /* 68 - file not found on server */
477 CURLE_TFTP_PERM, /* 69 - permission problem on server */
478 CURLE_REMOTE_DISK_FULL, /* 70 - out of disk space on server */
479 CURLE_TFTP_ILLEGAL, /* 71 - Illegal TFTP operation */
480 CURLE_TFTP_UNKNOWNID, /* 72 - Unknown transfer ID */
481 CURLE_REMOTE_FILE_EXISTS, /* 73 - File already exists */
482 CURLE_TFTP_NOSUCHUSER, /* 74 - No such user */
483 CURLE_CONV_FAILED, /* 75 - conversion failed */
484 CURLE_CONV_REQD, /* 76 - caller must register conversion
485 callbacks using curl_easy_setopt options
486 CURLOPT_CONV_FROM_NETWORK_FUNCTION,
487 CURLOPT_CONV_TO_NETWORK_FUNCTION, and
488 CURLOPT_CONV_FROM_UTF8_FUNCTION */
489 CURLE_SSL_CACERT_BADFILE, /* 77 - could not load CACERT file, missing
491 CURLE_REMOTE_FILE_NOT_FOUND, /* 78 - remote file not found */
492 CURLE_SSH, /* 79 - error from the SSH layer, somewhat
493 generic so the error message will be of
494 interest when this has happened */
496 CURLE_SSL_SHUTDOWN_FAILED, /* 80 - Failed to shut down the SSL
498 CURLE_AGAIN, /* 81 - socket is not ready for send/recv,
499 wait till it's ready and try again (Added
501 CURLE_SSL_CRL_BADFILE, /* 82 - could not load CRL file, missing or
502 wrong format (Added in 7.19.0) */
503 CURLE_SSL_ISSUER_ERROR, /* 83 - Issuer check failed. (Added in
505 CURLE_FTP_PRET_FAILED, /* 84 - a PRET command failed */
506 CURLE_RTSP_CSEQ_ERROR, /* 85 - mismatch of RTSP CSeq numbers */
507 CURLE_RTSP_SESSION_ERROR, /* 86 - mismatch of RTSP Session Ids */
508 CURLE_FTP_BAD_FILE_LIST, /* 87 - unable to parse FTP file list */
509 CURLE_CHUNK_FAILED, /* 88 - chunk callback reported error */
510 CURL_LAST /* never use! */
513 #ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
514 the obsolete stuff removed! */
516 /* Previously obsoletes error codes re-used in 7.24.0 */
517 #define CURLE_OBSOLETE10 CURLE_FTP_ACCEPT_FAILED
518 #define CURLE_OBSOLETE12 CURLE_FTP_ACCEPT_TIMEOUT
520 /* compatibility with older names */
521 #define CURLOPT_ENCODING CURLOPT_ACCEPT_ENCODING
523 /* The following were added in 7.21.5, April 2011 */
524 #define CURLE_UNKNOWN_TELNET_OPTION CURLE_UNKNOWN_OPTION
526 /* The following were added in 7.17.1 */
527 /* These are scheduled to disappear by 2009 */
528 #define CURLE_SSL_PEER_CERTIFICATE CURLE_PEER_FAILED_VERIFICATION
530 /* The following were added in 7.17.0 */
531 /* These are scheduled to disappear by 2009 */
532 #define CURLE_OBSOLETE CURLE_OBSOLETE50 /* no one should be using this! */
533 #define CURLE_BAD_PASSWORD_ENTERED CURLE_OBSOLETE46
534 #define CURLE_BAD_CALLING_ORDER CURLE_OBSOLETE44
535 #define CURLE_FTP_USER_PASSWORD_INCORRECT CURLE_OBSOLETE10
536 #define CURLE_FTP_CANT_RECONNECT CURLE_OBSOLETE16
537 #define CURLE_FTP_COULDNT_GET_SIZE CURLE_OBSOLETE32
538 #define CURLE_FTP_COULDNT_SET_ASCII CURLE_OBSOLETE29
539 #define CURLE_FTP_WEIRD_USER_REPLY CURLE_OBSOLETE12
540 #define CURLE_FTP_WRITE_ERROR CURLE_OBSOLETE20
541 #define CURLE_LIBRARY_NOT_FOUND CURLE_OBSOLETE40
542 #define CURLE_MALFORMAT_USER CURLE_OBSOLETE24
543 #define CURLE_SHARE_IN_USE CURLE_OBSOLETE57
544 #define CURLE_URL_MALFORMAT_USER CURLE_NOT_BUILT_IN
546 #define CURLE_FTP_ACCESS_DENIED CURLE_REMOTE_ACCESS_DENIED
547 #define CURLE_FTP_COULDNT_SET_BINARY CURLE_FTP_COULDNT_SET_TYPE
548 #define CURLE_FTP_QUOTE_ERROR CURLE_QUOTE_ERROR
549 #define CURLE_TFTP_DISKFULL CURLE_REMOTE_DISK_FULL
550 #define CURLE_TFTP_EXISTS CURLE_REMOTE_FILE_EXISTS
551 #define CURLE_HTTP_RANGE_ERROR CURLE_RANGE_ERROR
552 #define CURLE_FTP_SSL_FAILED CURLE_USE_SSL_FAILED
554 /* The following were added earlier */
556 #define CURLE_OPERATION_TIMEOUTED CURLE_OPERATION_TIMEDOUT
558 #define CURLE_HTTP_NOT_FOUND CURLE_HTTP_RETURNED_ERROR
559 #define CURLE_HTTP_PORT_FAILED CURLE_INTERFACE_FAILED
560 #define CURLE_FTP_COULDNT_STOR_FILE CURLE_UPLOAD_FAILED
562 #define CURLE_FTP_PARTIAL_FILE CURLE_PARTIAL_FILE
563 #define CURLE_FTP_BAD_DOWNLOAD_RESUME CURLE_BAD_DOWNLOAD_RESUME
565 /* This was the error code 50 in 7.7.3 and a few earlier versions, this
566 is no longer used by libcurl but is instead #defined here only to not
567 make programs break */
568 #define CURLE_ALREADY_COMPLETE 99999
570 #endif /*!CURL_NO_OLDIES*/
572 /* This prototype applies to all conversion callbacks */
573 typedef CURLcode (*curl_conv_callback)(char *buffer, size_t length);
575 typedef CURLcode (*curl_ssl_ctx_callback)(CURL *curl, /* easy handle */
576 void *ssl_ctx, /* actually an
581 CURLPROXY_HTTP = 0, /* added in 7.10, new in 7.19.4 default is to use
583 CURLPROXY_HTTP_1_0 = 1, /* added in 7.19.4, force to use CONNECT
585 CURLPROXY_SOCKS4 = 4, /* support added in 7.15.2, enum existed already
587 CURLPROXY_SOCKS5 = 5, /* added in 7.10 */
588 CURLPROXY_SOCKS4A = 6, /* added in 7.18.0 */
589 CURLPROXY_SOCKS5_HOSTNAME = 7 /* Use the SOCKS5 protocol but pass along the
590 host name rather than the IP address. added
592 } curl_proxytype; /* this enum was added in 7.10 */
595 * Bitmasks for CURLOPT_HTTPAUTH and CURLOPT_PROXYAUTH options:
597 * CURLAUTH_NONE - No HTTP authentication
598 * CURLAUTH_BASIC - HTTP Basic authentication (default)
599 * CURLAUTH_DIGEST - HTTP Digest authentication
600 * CURLAUTH_GSSNEGOTIATE - HTTP GSS-Negotiate authentication
601 * CURLAUTH_NTLM - HTTP NTLM authentication
602 * CURLAUTH_DIGEST_IE - HTTP Digest authentication with IE flavour
603 * CURLAUTH_NTLM_WB - HTTP NTLM authentication delegated to winbind helper
604 * CURLAUTH_ONLY - Use together with a single other type to force no
605 * authentication or just that single type
606 * CURLAUTH_ANY - All fine types set
607 * CURLAUTH_ANYSAFE - All fine types except Basic
610 #define CURLAUTH_NONE ((unsigned long)0)
611 #define CURLAUTH_BASIC (((unsigned long)1)<<0)
612 #define CURLAUTH_DIGEST (((unsigned long)1)<<1)
613 #define CURLAUTH_GSSNEGOTIATE (((unsigned long)1)<<2)
614 #define CURLAUTH_NTLM (((unsigned long)1)<<3)
615 #define CURLAUTH_DIGEST_IE (((unsigned long)1)<<4)
616 #define CURLAUTH_NTLM_WB (((unsigned long)1)<<5)
617 #define CURLAUTH_ONLY (((unsigned long)1)<<31)
618 #define CURLAUTH_ANY (~CURLAUTH_DIGEST_IE)
619 #define CURLAUTH_ANYSAFE (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
621 #define CURLSSH_AUTH_ANY ~0 /* all types supported by the server */
622 #define CURLSSH_AUTH_NONE 0 /* none allowed, silly but complete */
623 #define CURLSSH_AUTH_PUBLICKEY (1<<0) /* public/private key files */
624 #define CURLSSH_AUTH_PASSWORD (1<<1) /* password */
625 #define CURLSSH_AUTH_HOST (1<<2) /* host key files */
626 #define CURLSSH_AUTH_KEYBOARD (1<<3) /* keyboard interactive */
627 #define CURLSSH_AUTH_AGENT (1<<4) /* agent (ssh-agent, pageant...) */
628 #define CURLSSH_AUTH_DEFAULT CURLSSH_AUTH_ANY
630 #define CURLGSSAPI_DELEGATION_NONE 0 /* no delegation (default) */
631 #define CURLGSSAPI_DELEGATION_POLICY_FLAG (1<<0) /* if permitted by policy */
632 #define CURLGSSAPI_DELEGATION_FLAG (1<<1) /* delegate always */
634 #define CURL_ERROR_SIZE 256
637 const char *key; /* points to a zero-terminated string encoded with base64
638 if len is zero, otherwise to the "raw" data */
648 /* this is the set of return values expected from the curl_sshkeycallback
651 CURLKHSTAT_FINE_ADD_TO_FILE,
653 CURLKHSTAT_REJECT, /* reject the connection, return an error */
654 CURLKHSTAT_DEFER, /* do not accept it, but we can't answer right now so
655 this causes a CURLE_DEFER error but otherwise the
656 connection will be left intact etc */
657 CURLKHSTAT_LAST /* not for use, only a marker for last-in-list */
660 /* this is the set of status codes pass in to the callback */
662 CURLKHMATCH_OK, /* match */
663 CURLKHMATCH_MISMATCH, /* host found, key mismatch! */
664 CURLKHMATCH_MISSING, /* no matching host/key found */
665 CURLKHMATCH_LAST /* not for use, only a marker for last-in-list */
669 (*curl_sshkeycallback) (CURL *easy, /* easy handle */
670 const struct curl_khkey *knownkey, /* known */
671 const struct curl_khkey *foundkey, /* found */
672 enum curl_khmatch, /* libcurl's view on the keys */
673 void *clientp); /* custom pointer passed from app */
675 /* parameter for the CURLOPT_USE_SSL option */
677 CURLUSESSL_NONE, /* do not attempt to use SSL */
678 CURLUSESSL_TRY, /* try using SSL, proceed anyway otherwise */
679 CURLUSESSL_CONTROL, /* SSL for the control connection or fail */
680 CURLUSESSL_ALL, /* SSL for all communication or fail */
681 CURLUSESSL_LAST /* not an option, never use */
684 /* Definition of bits for the CURLOPT_SSL_OPTIONS argument: */
686 /* - ALLOW_BEAST tells libcurl to allow the BEAST SSL vulnerability in the
687 name of improving interoperability with older servers. Some SSL libraries
688 have introduced work-arounds for this flaw but those work-arounds sometimes
689 make the SSL communication fail. To regain functionality with those broken
690 servers, a user can this way allow the vulnerability back. */
691 #define CURLSSLOPT_ALLOW_BEAST (1<<0)
693 #ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
694 the obsolete stuff removed! */
696 /* Backwards compatibility with older names */
697 /* These are scheduled to disappear by 2009 */
699 #define CURLFTPSSL_NONE CURLUSESSL_NONE
700 #define CURLFTPSSL_TRY CURLUSESSL_TRY
701 #define CURLFTPSSL_CONTROL CURLUSESSL_CONTROL
702 #define CURLFTPSSL_ALL CURLUSESSL_ALL
703 #define CURLFTPSSL_LAST CURLUSESSL_LAST
704 #define curl_ftpssl curl_usessl
705 #endif /*!CURL_NO_OLDIES*/
707 /* parameter for the CURLOPT_FTP_SSL_CCC option */
709 CURLFTPSSL_CCC_NONE, /* do not send CCC */
710 CURLFTPSSL_CCC_PASSIVE, /* Let the server initiate the shutdown */
711 CURLFTPSSL_CCC_ACTIVE, /* Initiate the shutdown */
712 CURLFTPSSL_CCC_LAST /* not an option, never use */
715 /* parameter for the CURLOPT_FTPSSLAUTH option */
717 CURLFTPAUTH_DEFAULT, /* let libcurl decide */
718 CURLFTPAUTH_SSL, /* use "AUTH SSL" */
719 CURLFTPAUTH_TLS, /* use "AUTH TLS" */
720 CURLFTPAUTH_LAST /* not an option, never use */
723 /* parameter for the CURLOPT_FTP_CREATE_MISSING_DIRS option */
725 CURLFTP_CREATE_DIR_NONE, /* do NOT create missing dirs! */
726 CURLFTP_CREATE_DIR, /* (FTP/SFTP) if CWD fails, try MKD and then CWD
727 again if MKD succeeded, for SFTP this does
729 CURLFTP_CREATE_DIR_RETRY, /* (FTP only) if CWD fails, try MKD and then CWD
730 again even if MKD failed! */
731 CURLFTP_CREATE_DIR_LAST /* not an option, never use */
734 /* parameter for the CURLOPT_FTP_FILEMETHOD option */
736 CURLFTPMETHOD_DEFAULT, /* let libcurl pick */
737 CURLFTPMETHOD_MULTICWD, /* single CWD operation for each path part */
738 CURLFTPMETHOD_NOCWD, /* no CWD at all */
739 CURLFTPMETHOD_SINGLECWD, /* one CWD to full dir, then work on file */
740 CURLFTPMETHOD_LAST /* not an option, never use */
743 /* CURLPROTO_ defines are for the CURLOPT_*PROTOCOLS options */
744 #define CURLPROTO_HTTP (1<<0)
745 #define CURLPROTO_HTTPS (1<<1)
746 #define CURLPROTO_FTP (1<<2)
747 #define CURLPROTO_FTPS (1<<3)
748 #define CURLPROTO_SCP (1<<4)
749 #define CURLPROTO_SFTP (1<<5)
750 #define CURLPROTO_TELNET (1<<6)
751 #define CURLPROTO_LDAP (1<<7)
752 #define CURLPROTO_LDAPS (1<<8)
753 #define CURLPROTO_DICT (1<<9)
754 #define CURLPROTO_FILE (1<<10)
755 #define CURLPROTO_TFTP (1<<11)
756 #define CURLPROTO_IMAP (1<<12)
757 #define CURLPROTO_IMAPS (1<<13)
758 #define CURLPROTO_POP3 (1<<14)
759 #define CURLPROTO_POP3S (1<<15)
760 #define CURLPROTO_SMTP (1<<16)
761 #define CURLPROTO_SMTPS (1<<17)
762 #define CURLPROTO_RTSP (1<<18)
763 #define CURLPROTO_RTMP (1<<19)
764 #define CURLPROTO_RTMPT (1<<20)
765 #define CURLPROTO_RTMPE (1<<21)
766 #define CURLPROTO_RTMPTE (1<<22)
767 #define CURLPROTO_RTMPS (1<<23)
768 #define CURLPROTO_RTMPTS (1<<24)
769 #define CURLPROTO_GOPHER (1<<25)
770 #define CURLPROTO_ALL (~0) /* enable everything */
772 /* long may be 32 or 64 bits, but we should never depend on anything else
774 #define CURLOPTTYPE_LONG 0
775 #define CURLOPTTYPE_OBJECTPOINT 10000
776 #define CURLOPTTYPE_FUNCTIONPOINT 20000
777 #define CURLOPTTYPE_OFF_T 30000
779 /* name is uppercase CURLOPT_<name>,
780 type is one of the defined CURLOPTTYPE_<type>
781 number is unique identifier */
787 #define CINIT(na,t,nu) CURLOPT_ ## na = CURLOPTTYPE_ ## t + nu
789 /* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
790 #define LONG CURLOPTTYPE_LONG
791 #define OBJECTPOINT CURLOPTTYPE_OBJECTPOINT
792 #define FUNCTIONPOINT CURLOPTTYPE_FUNCTIONPOINT
793 #define OFF_T CURLOPTTYPE_OFF_T
794 #define CINIT(name,type,number) CURLOPT_/**/name = type + number
798 * This macro-mania below setups the CURLOPT_[what] enum, to be used with
799 * curl_easy_setopt(). The first argument in the CINIT() macro is the [what]
804 /* This is the FILE * or void * the regular output should be written to. */
805 CINIT(FILE, OBJECTPOINT, 1),
807 /* The full URL to get/put */
808 CINIT(URL, OBJECTPOINT, 2),
810 /* Port number to connect to, if other than default. */
811 CINIT(PORT, LONG, 3),
813 /* Name of proxy to use. */
814 CINIT(PROXY, OBJECTPOINT, 4),
816 /* "name:password" to use when fetching. */
817 CINIT(USERPWD, OBJECTPOINT, 5),
819 /* "name:password" to use with proxy. */
820 CINIT(PROXYUSERPWD, OBJECTPOINT, 6),
822 /* Range to get, specified as an ASCII string. */
823 CINIT(RANGE, OBJECTPOINT, 7),
827 /* Specified file stream to upload from (use as input): */
828 CINIT(INFILE, OBJECTPOINT, 9),
830 /* Buffer to receive error messages in, must be at least CURL_ERROR_SIZE
831 * bytes big. If this is not used, error messages go to stderr instead: */
832 CINIT(ERRORBUFFER, OBJECTPOINT, 10),
834 /* Function that will be called to store the output (instead of fwrite). The
835 * parameters will use fwrite() syntax, make sure to follow them. */
836 CINIT(WRITEFUNCTION, FUNCTIONPOINT, 11),
838 /* Function that will be called to read the input (instead of fread). The
839 * parameters will use fread() syntax, make sure to follow them. */
840 CINIT(READFUNCTION, FUNCTIONPOINT, 12),
842 /* Time-out the read operation after this amount of seconds */
843 CINIT(TIMEOUT, LONG, 13),
845 /* If the CURLOPT_INFILE is used, this can be used to inform libcurl about
846 * how large the file being sent really is. That allows better error
847 * checking and better verifies that the upload was successful. -1 means
850 * For large file support, there is also a _LARGE version of the key
851 * which takes an off_t type, allowing platforms with larger off_t
852 * sizes to handle larger files. See below for INFILESIZE_LARGE.
854 CINIT(INFILESIZE, LONG, 14),
856 /* POST static input fields. */
857 CINIT(POSTFIELDS, OBJECTPOINT, 15),
859 /* Set the referrer page (needed by some CGIs) */
860 CINIT(REFERER, OBJECTPOINT, 16),
862 /* Set the FTP PORT string (interface name, named or numerical IP address)
863 Use i.e '-' to use default address. */
864 CINIT(FTPPORT, OBJECTPOINT, 17),
866 /* Set the User-Agent string (examined by some CGIs) */
867 CINIT(USERAGENT, OBJECTPOINT, 18),
869 /* If the download receives less than "low speed limit" bytes/second
870 * during "low speed time" seconds, the operations is aborted.
871 * You could i.e if you have a pretty high speed connection, abort if
872 * it is less than 2000 bytes/sec during 20 seconds.
875 /* Set the "low speed limit" */
876 CINIT(LOW_SPEED_LIMIT, LONG, 19),
878 /* Set the "low speed time" */
879 CINIT(LOW_SPEED_TIME, LONG, 20),
881 /* Set the continuation offset.
883 * Note there is also a _LARGE version of this key which uses
884 * off_t types, allowing for large file offsets on platforms which
885 * use larger-than-32-bit off_t's. Look below for RESUME_FROM_LARGE.
887 CINIT(RESUME_FROM, LONG, 21),
889 /* Set cookie in request: */
890 CINIT(COOKIE, OBJECTPOINT, 22),
892 /* This points to a linked list of headers, struct curl_slist kind */
893 CINIT(HTTPHEADER, OBJECTPOINT, 23),
895 /* This points to a linked list of post entries, struct curl_httppost */
896 CINIT(HTTPPOST, OBJECTPOINT, 24),
898 /* name of the file keeping your private SSL-certificate */
899 CINIT(SSLCERT, OBJECTPOINT, 25),
901 /* password for the SSL or SSH private key */
902 CINIT(KEYPASSWD, OBJECTPOINT, 26),
904 /* send TYPE parameter? */
905 CINIT(CRLF, LONG, 27),
907 /* send linked-list of QUOTE commands */
908 CINIT(QUOTE, OBJECTPOINT, 28),
910 /* send FILE * or void * to store headers to, if you use a callback it
911 is simply passed to the callback unmodified */
912 CINIT(WRITEHEADER, OBJECTPOINT, 29),
914 /* point to a file to read the initial cookies from, also enables
915 "cookie awareness" */
916 CINIT(COOKIEFILE, OBJECTPOINT, 31),
918 /* What version to specifically try to use.
919 See CURL_SSLVERSION defines below. */
920 CINIT(SSLVERSION, LONG, 32),
922 /* What kind of HTTP time condition to use, see defines */
923 CINIT(TIMECONDITION, LONG, 33),
925 /* Time to use with the above condition. Specified in number of seconds
927 CINIT(TIMEVALUE, LONG, 34),
931 /* Custom request, for customizing the get command like
932 HTTP: DELETE, TRACE and others
933 FTP: to use a different list command
935 CINIT(CUSTOMREQUEST, OBJECTPOINT, 36),
937 /* HTTP request, for odd commands like DELETE, TRACE and others */
938 CINIT(STDERR, OBJECTPOINT, 37),
942 /* send linked-list of post-transfer QUOTE commands */
943 CINIT(POSTQUOTE, OBJECTPOINT, 39),
945 CINIT(WRITEINFO, OBJECTPOINT, 40), /* DEPRECATED, do not use! */
947 CINIT(VERBOSE, LONG, 41), /* talk a lot */
948 CINIT(HEADER, LONG, 42), /* throw the header out too */
949 CINIT(NOPROGRESS, LONG, 43), /* shut off the progress meter */
950 CINIT(NOBODY, LONG, 44), /* use HEAD to get http document */
951 CINIT(FAILONERROR, LONG, 45), /* no output on http error codes >= 300 */
952 CINIT(UPLOAD, LONG, 46), /* this is an upload */
953 CINIT(POST, LONG, 47), /* HTTP POST method */
954 CINIT(DIRLISTONLY, LONG, 48), /* bare names when listing directories */
956 CINIT(APPEND, LONG, 50), /* Append instead of overwrite on upload! */
958 /* Specify whether to read the user+password from the .netrc or the URL.
959 * This must be one of the CURL_NETRC_* enums below. */
960 CINIT(NETRC, LONG, 51),
962 CINIT(FOLLOWLOCATION, LONG, 52), /* use Location: Luke! */
964 CINIT(TRANSFERTEXT, LONG, 53), /* transfer data in text/ASCII format */
965 CINIT(PUT, LONG, 54), /* HTTP PUT */
969 /* Function that will be called instead of the internal progress display
970 * function. This function should be defined as the curl_progress_callback
971 * prototype defines. */
972 CINIT(PROGRESSFUNCTION, FUNCTIONPOINT, 56),
974 /* Data passed to the progress callback */
975 CINIT(PROGRESSDATA, OBJECTPOINT, 57),
977 /* We want the referrer field set automatically when following locations */
978 CINIT(AUTOREFERER, LONG, 58),
980 /* Port of the proxy, can be set in the proxy string as well with:
982 CINIT(PROXYPORT, LONG, 59),
984 /* size of the POST input data, if strlen() is not good to use */
985 CINIT(POSTFIELDSIZE, LONG, 60),
987 /* tunnel non-http operations through a HTTP proxy */
988 CINIT(HTTPPROXYTUNNEL, LONG, 61),
990 /* Set the interface string to use as outgoing network interface */
991 CINIT(INTERFACE, OBJECTPOINT, 62),
993 /* Set the krb4/5 security level, this also enables krb4/5 awareness. This
994 * is a string, 'clear', 'safe', 'confidential' or 'private'. If the string
995 * is set but doesn't match one of these, 'private' will be used. */
996 CINIT(KRBLEVEL, OBJECTPOINT, 63),
998 /* Set if we should verify the peer in ssl handshake, set 1 to verify. */
999 CINIT(SSL_VERIFYPEER, LONG, 64),
1001 /* The CApath or CAfile used to validate the peer certificate
1002 this option is used only if SSL_VERIFYPEER is true */
1003 CINIT(CAINFO, OBJECTPOINT, 65),
1008 /* Maximum number of http redirects to follow */
1009 CINIT(MAXREDIRS, LONG, 68),
1011 /* Pass a long set to 1 to get the date of the requested document (if
1012 possible)! Pass a zero to shut it off. */
1013 CINIT(FILETIME, LONG, 69),
1015 /* This points to a linked list of telnet options */
1016 CINIT(TELNETOPTIONS, OBJECTPOINT, 70),
1018 /* Max amount of cached alive connections */
1019 CINIT(MAXCONNECTS, LONG, 71),
1021 CINIT(CLOSEPOLICY, LONG, 72), /* DEPRECATED, do not use! */
1025 /* Set to explicitly use a new connection for the upcoming transfer.
1026 Do not use this unless you're absolutely sure of this, as it makes the
1027 operation slower and is less friendly for the network. */
1028 CINIT(FRESH_CONNECT, LONG, 74),
1030 /* Set to explicitly forbid the upcoming transfer's connection to be re-used
1031 when done. Do not use this unless you're absolutely sure of this, as it
1032 makes the operation slower and is less friendly for the network. */
1033 CINIT(FORBID_REUSE, LONG, 75),
1035 /* Set to a file name that contains random data for libcurl to use to
1036 seed the random engine when doing SSL connects. */
1037 CINIT(RANDOM_FILE, OBJECTPOINT, 76),
1039 /* Set to the Entropy Gathering Daemon socket pathname */
1040 CINIT(EGDSOCKET, OBJECTPOINT, 77),
1042 /* Time-out connect operations after this amount of seconds, if connects are
1043 OK within this time, then fine... This only aborts the connect phase. */
1044 CINIT(CONNECTTIMEOUT, LONG, 78),
1046 /* Function that will be called to store headers (instead of fwrite). The
1047 * parameters will use fwrite() syntax, make sure to follow them. */
1048 CINIT(HEADERFUNCTION, FUNCTIONPOINT, 79),
1050 /* Set this to force the HTTP request to get back to GET. Only really usable
1051 if POST, PUT or a custom request have been used first.
1053 CINIT(HTTPGET, LONG, 80),
1055 /* Set if we should verify the Common name from the peer certificate in ssl
1056 * handshake, set 1 to check existence, 2 to ensure that it matches the
1057 * provided hostname. */
1058 CINIT(SSL_VERIFYHOST, LONG, 81),
1060 /* Specify which file name to write all known cookies in after completed
1061 operation. Set file name to "-" (dash) to make it go to stdout. */
1062 CINIT(COOKIEJAR, OBJECTPOINT, 82),
1064 /* Specify which SSL ciphers to use */
1065 CINIT(SSL_CIPHER_LIST, OBJECTPOINT, 83),
1067 /* Specify which HTTP version to use! This must be set to one of the
1068 CURL_HTTP_VERSION* enums set below. */
1069 CINIT(HTTP_VERSION, LONG, 84),
1071 /* Specifically switch on or off the FTP engine's use of the EPSV command. By
1072 default, that one will always be attempted before the more traditional
1074 CINIT(FTP_USE_EPSV, LONG, 85),
1076 /* type of the file keeping your SSL-certificate ("DER", "PEM", "ENG") */
1077 CINIT(SSLCERTTYPE, OBJECTPOINT, 86),
1079 /* name of the file keeping your private SSL-key */
1080 CINIT(SSLKEY, OBJECTPOINT, 87),
1082 /* type of the file keeping your private SSL-key ("DER", "PEM", "ENG") */
1083 CINIT(SSLKEYTYPE, OBJECTPOINT, 88),
1085 /* crypto engine for the SSL-sub system */
1086 CINIT(SSLENGINE, OBJECTPOINT, 89),
1088 /* set the crypto engine for the SSL-sub system as default
1089 the param has no meaning...
1091 CINIT(SSLENGINE_DEFAULT, LONG, 90),
1093 /* Non-zero value means to use the global dns cache */
1094 CINIT(DNS_USE_GLOBAL_CACHE, LONG, 91), /* DEPRECATED, do not use! */
1096 /* DNS cache timeout */
1097 CINIT(DNS_CACHE_TIMEOUT, LONG, 92),
1099 /* send linked-list of pre-transfer QUOTE commands */
1100 CINIT(PREQUOTE, OBJECTPOINT, 93),
1102 /* set the debug function */
1103 CINIT(DEBUGFUNCTION, FUNCTIONPOINT, 94),
1105 /* set the data for the debug function */
1106 CINIT(DEBUGDATA, OBJECTPOINT, 95),
1108 /* mark this as start of a cookie session */
1109 CINIT(COOKIESESSION, LONG, 96),
1111 /* The CApath directory used to validate the peer certificate
1112 this option is used only if SSL_VERIFYPEER is true */
1113 CINIT(CAPATH, OBJECTPOINT, 97),
1115 /* Instruct libcurl to use a smaller receive buffer */
1116 CINIT(BUFFERSIZE, LONG, 98),
1118 /* Instruct libcurl to not use any signal/alarm handlers, even when using
1119 timeouts. This option is useful for multi-threaded applications.
1120 See libcurl-the-guide for more background information. */
1121 CINIT(NOSIGNAL, LONG, 99),
1123 /* Provide a CURLShare for mutexing non-ts data */
1124 CINIT(SHARE, OBJECTPOINT, 100),
1126 /* indicates type of proxy. accepted values are CURLPROXY_HTTP (default),
1127 CURLPROXY_SOCKS4, CURLPROXY_SOCKS4A and CURLPROXY_SOCKS5. */
1128 CINIT(PROXYTYPE, LONG, 101),
1130 /* Set the Accept-Encoding string. Use this to tell a server you would like
1131 the response to be compressed. Before 7.21.6, this was known as
1133 CINIT(ACCEPT_ENCODING, OBJECTPOINT, 102),
1135 /* Set pointer to private data */
1136 CINIT(PRIVATE, OBJECTPOINT, 103),
1138 /* Set aliases for HTTP 200 in the HTTP Response header */
1139 CINIT(HTTP200ALIASES, OBJECTPOINT, 104),
1141 /* Continue to send authentication (user+password) when following locations,
1142 even when hostname changed. This can potentially send off the name
1143 and password to whatever host the server decides. */
1144 CINIT(UNRESTRICTED_AUTH, LONG, 105),
1146 /* Specifically switch on or off the FTP engine's use of the EPRT command (
1147 it also disables the LPRT attempt). By default, those ones will always be
1148 attempted before the good old traditional PORT command. */
1149 CINIT(FTP_USE_EPRT, LONG, 106),
1151 /* Set this to a bitmask value to enable the particular authentications
1152 methods you like. Use this in combination with CURLOPT_USERPWD.
1153 Note that setting multiple bits may cause extra network round-trips. */
1154 CINIT(HTTPAUTH, LONG, 107),
1156 /* Set the ssl context callback function, currently only for OpenSSL ssl_ctx
1157 in second argument. The function must be matching the
1158 curl_ssl_ctx_callback proto. */
1159 CINIT(SSL_CTX_FUNCTION, FUNCTIONPOINT, 108),
1161 /* Set the userdata for the ssl context callback function's third
1163 CINIT(SSL_CTX_DATA, OBJECTPOINT, 109),
1165 /* FTP Option that causes missing dirs to be created on the remote server.
1166 In 7.19.4 we introduced the convenience enums for this option using the
1167 CURLFTP_CREATE_DIR prefix.
1169 CINIT(FTP_CREATE_MISSING_DIRS, LONG, 110),
1171 /* Set this to a bitmask value to enable the particular authentications
1172 methods you like. Use this in combination with CURLOPT_PROXYUSERPWD.
1173 Note that setting multiple bits may cause extra network round-trips. */
1174 CINIT(PROXYAUTH, LONG, 111),
1176 /* FTP option that changes the timeout, in seconds, associated with
1177 getting a response. This is different from transfer timeout time and
1178 essentially places a demand on the FTP server to acknowledge commands
1179 in a timely manner. */
1180 CINIT(FTP_RESPONSE_TIMEOUT, LONG, 112),
1181 #define CURLOPT_SERVER_RESPONSE_TIMEOUT CURLOPT_FTP_RESPONSE_TIMEOUT
1183 /* Set this option to one of the CURL_IPRESOLVE_* defines (see below) to
1184 tell libcurl to resolve names to those IP versions only. This only has
1185 affect on systems with support for more than one, i.e IPv4 _and_ IPv6. */
1186 CINIT(IPRESOLVE, LONG, 113),
1188 /* Set this option to limit the size of a file that will be downloaded from
1189 an HTTP or FTP server.
1191 Note there is also _LARGE version which adds large file support for
1192 platforms which have larger off_t sizes. See MAXFILESIZE_LARGE below. */
1193 CINIT(MAXFILESIZE, LONG, 114),
1195 /* See the comment for INFILESIZE above, but in short, specifies
1196 * the size of the file being uploaded. -1 means unknown.
1198 CINIT(INFILESIZE_LARGE, OFF_T, 115),
1200 /* Sets the continuation offset. There is also a LONG version of this;
1201 * look above for RESUME_FROM.
1203 CINIT(RESUME_FROM_LARGE, OFF_T, 116),
1205 /* Sets the maximum size of data that will be downloaded from
1206 * an HTTP or FTP server. See MAXFILESIZE above for the LONG version.
1208 CINIT(MAXFILESIZE_LARGE, OFF_T, 117),
1210 /* Set this option to the file name of your .netrc file you want libcurl
1211 to parse (using the CURLOPT_NETRC option). If not set, libcurl will do
1212 a poor attempt to find the user's home directory and check for a .netrc
1214 CINIT(NETRC_FILE, OBJECTPOINT, 118),
1216 /* Enable SSL/TLS for FTP, pick one of:
1217 CURLUSESSL_TRY - try using SSL, proceed anyway otherwise
1218 CURLUSESSL_CONTROL - SSL for the control connection or fail
1219 CURLUSESSL_ALL - SSL for all communication or fail
1221 CINIT(USE_SSL, LONG, 119),
1223 /* The _LARGE version of the standard POSTFIELDSIZE option */
1224 CINIT(POSTFIELDSIZE_LARGE, OFF_T, 120),
1226 /* Enable/disable the TCP Nagle algorithm */
1227 CINIT(TCP_NODELAY, LONG, 121),
1229 /* 122 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1230 /* 123 OBSOLETE. Gone in 7.16.0 */
1231 /* 124 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1232 /* 125 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1233 /* 126 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1234 /* 127 OBSOLETE. Gone in 7.16.0 */
1235 /* 128 OBSOLETE. Gone in 7.16.0 */
1237 /* When FTP over SSL/TLS is selected (with CURLOPT_USE_SSL), this option
1238 can be used to change libcurl's default action which is to first try
1239 "AUTH SSL" and then "AUTH TLS" in this order, and proceed when a OK
1240 response has been received.
1242 Available parameters are:
1243 CURLFTPAUTH_DEFAULT - let libcurl decide
1244 CURLFTPAUTH_SSL - try "AUTH SSL" first, then TLS
1245 CURLFTPAUTH_TLS - try "AUTH TLS" first, then SSL
1247 CINIT(FTPSSLAUTH, LONG, 129),
1249 CINIT(IOCTLFUNCTION, FUNCTIONPOINT, 130),
1250 CINIT(IOCTLDATA, OBJECTPOINT, 131),
1252 /* 132 OBSOLETE. Gone in 7.16.0 */
1253 /* 133 OBSOLETE. Gone in 7.16.0 */
1255 /* zero terminated string for pass on to the FTP server when asked for
1257 CINIT(FTP_ACCOUNT, OBJECTPOINT, 134),
1259 /* feed cookies into cookie engine */
1260 CINIT(COOKIELIST, OBJECTPOINT, 135),
1262 /* ignore Content-Length */
1263 CINIT(IGNORE_CONTENT_LENGTH, LONG, 136),
1265 /* Set to non-zero to skip the IP address received in a 227 PASV FTP server
1266 response. Typically used for FTP-SSL purposes but is not restricted to
1267 that. libcurl will then instead use the same IP address it used for the
1268 control connection. */
1269 CINIT(FTP_SKIP_PASV_IP, LONG, 137),
1271 /* Select "file method" to use when doing FTP, see the curl_ftpmethod
1273 CINIT(FTP_FILEMETHOD, LONG, 138),
1275 /* Local port number to bind the socket to */
1276 CINIT(LOCALPORT, LONG, 139),
1278 /* Number of ports to try, including the first one set with LOCALPORT.
1279 Thus, setting it to 1 will make no additional attempts but the first.
1281 CINIT(LOCALPORTRANGE, LONG, 140),
1283 /* no transfer, set up connection and let application use the socket by
1284 extracting it with CURLINFO_LASTSOCKET */
1285 CINIT(CONNECT_ONLY, LONG, 141),
1287 /* Function that will be called to convert from the
1288 network encoding (instead of using the iconv calls in libcurl) */
1289 CINIT(CONV_FROM_NETWORK_FUNCTION, FUNCTIONPOINT, 142),
1291 /* Function that will be called to convert to the
1292 network encoding (instead of using the iconv calls in libcurl) */
1293 CINIT(CONV_TO_NETWORK_FUNCTION, FUNCTIONPOINT, 143),
1295 /* Function that will be called to convert from UTF8
1296 (instead of using the iconv calls in libcurl)
1297 Note that this is used only for SSL certificate processing */
1298 CINIT(CONV_FROM_UTF8_FUNCTION, FUNCTIONPOINT, 144),
1300 /* if the connection proceeds too quickly then need to slow it down */
1301 /* limit-rate: maximum number of bytes per second to send or receive */
1302 CINIT(MAX_SEND_SPEED_LARGE, OFF_T, 145),
1303 CINIT(MAX_RECV_SPEED_LARGE, OFF_T, 146),
1305 /* Pointer to command string to send if USER/PASS fails. */
1306 CINIT(FTP_ALTERNATIVE_TO_USER, OBJECTPOINT, 147),
1308 /* callback function for setting socket options */
1309 CINIT(SOCKOPTFUNCTION, FUNCTIONPOINT, 148),
1310 CINIT(SOCKOPTDATA, OBJECTPOINT, 149),
1312 /* set to 0 to disable session ID re-use for this transfer, default is
1314 CINIT(SSL_SESSIONID_CACHE, LONG, 150),
1316 /* allowed SSH authentication methods */
1317 CINIT(SSH_AUTH_TYPES, LONG, 151),
1319 /* Used by scp/sftp to do public/private key authentication */
1320 CINIT(SSH_PUBLIC_KEYFILE, OBJECTPOINT, 152),
1321 CINIT(SSH_PRIVATE_KEYFILE, OBJECTPOINT, 153),
1323 /* Send CCC (Clear Command Channel) after authentication */
1324 CINIT(FTP_SSL_CCC, LONG, 154),
1326 /* Same as TIMEOUT and CONNECTTIMEOUT, but with ms resolution */
1327 CINIT(TIMEOUT_MS, LONG, 155),
1328 CINIT(CONNECTTIMEOUT_MS, LONG, 156),
1330 /* set to zero to disable the libcurl's decoding and thus pass the raw body
1331 data to the application even when it is encoded/compressed */
1332 CINIT(HTTP_TRANSFER_DECODING, LONG, 157),
1333 CINIT(HTTP_CONTENT_DECODING, LONG, 158),
1335 /* Permission used when creating new files and directories on the remote
1336 server for protocols that support it, SFTP/SCP/FILE */
1337 CINIT(NEW_FILE_PERMS, LONG, 159),
1338 CINIT(NEW_DIRECTORY_PERMS, LONG, 160),
1340 /* Set the behaviour of POST when redirecting. Values must be set to one
1341 of CURL_REDIR* defines below. This used to be called CURLOPT_POST301 */
1342 CINIT(POSTREDIR, LONG, 161),
1344 /* used by scp/sftp to verify the host's public key */
1345 CINIT(SSH_HOST_PUBLIC_KEY_MD5, OBJECTPOINT, 162),
1347 /* Callback function for opening socket (instead of socket(2)). Optionally,
1348 callback is able change the address or refuse to connect returning
1349 CURL_SOCKET_BAD. The callback should have type
1350 curl_opensocket_callback */
1351 CINIT(OPENSOCKETFUNCTION, FUNCTIONPOINT, 163),
1352 CINIT(OPENSOCKETDATA, OBJECTPOINT, 164),
1354 /* POST volatile input fields. */
1355 CINIT(COPYPOSTFIELDS, OBJECTPOINT, 165),
1357 /* set transfer mode (;type=<a|i>) when doing FTP via an HTTP proxy */
1358 CINIT(PROXY_TRANSFER_MODE, LONG, 166),
1360 /* Callback function for seeking in the input stream */
1361 CINIT(SEEKFUNCTION, FUNCTIONPOINT, 167),
1362 CINIT(SEEKDATA, OBJECTPOINT, 168),
1365 CINIT(CRLFILE, OBJECTPOINT, 169),
1367 /* Issuer certificate */
1368 CINIT(ISSUERCERT, OBJECTPOINT, 170),
1370 /* (IPv6) Address scope */
1371 CINIT(ADDRESS_SCOPE, LONG, 171),
1373 /* Collect certificate chain info and allow it to get retrievable with
1374 CURLINFO_CERTINFO after the transfer is complete. (Unfortunately) only
1375 working with OpenSSL-powered builds. */
1376 CINIT(CERTINFO, LONG, 172),
1378 /* "name" and "pwd" to use when fetching. */
1379 CINIT(USERNAME, OBJECTPOINT, 173),
1380 CINIT(PASSWORD, OBJECTPOINT, 174),
1382 /* "name" and "pwd" to use with Proxy when fetching. */
1383 CINIT(PROXYUSERNAME, OBJECTPOINT, 175),
1384 CINIT(PROXYPASSWORD, OBJECTPOINT, 176),
1386 /* Comma separated list of hostnames defining no-proxy zones. These should
1387 match both hostnames directly, and hostnames within a domain. For
1388 example, local.com will match local.com and www.local.com, but NOT
1389 notlocal.com or www.notlocal.com. For compatibility with other
1390 implementations of this, .local.com will be considered to be the same as
1391 local.com. A single * is the only valid wildcard, and effectively
1392 disables the use of proxy. */
1393 CINIT(NOPROXY, OBJECTPOINT, 177),
1395 /* block size for TFTP transfers */
1396 CINIT(TFTP_BLKSIZE, LONG, 178),
1399 CINIT(SOCKS5_GSSAPI_SERVICE, OBJECTPOINT, 179),
1402 CINIT(SOCKS5_GSSAPI_NEC, LONG, 180),
1404 /* set the bitmask for the protocols that are allowed to be used for the
1405 transfer, which thus helps the app which takes URLs from users or other
1406 external inputs and want to restrict what protocol(s) to deal
1407 with. Defaults to CURLPROTO_ALL. */
1408 CINIT(PROTOCOLS, LONG, 181),
1410 /* set the bitmask for the protocols that libcurl is allowed to follow to,
1411 as a subset of the CURLOPT_PROTOCOLS ones. That means the protocol needs
1412 to be set in both bitmasks to be allowed to get redirected to. Defaults
1413 to all protocols except FILE and SCP. */
1414 CINIT(REDIR_PROTOCOLS, LONG, 182),
1416 /* set the SSH knownhost file name to use */
1417 CINIT(SSH_KNOWNHOSTS, OBJECTPOINT, 183),
1419 /* set the SSH host key callback, must point to a curl_sshkeycallback
1421 CINIT(SSH_KEYFUNCTION, FUNCTIONPOINT, 184),
1423 /* set the SSH host key callback custom pointer */
1424 CINIT(SSH_KEYDATA, OBJECTPOINT, 185),
1426 /* set the SMTP mail originator */
1427 CINIT(MAIL_FROM, OBJECTPOINT, 186),
1429 /* set the SMTP mail receiver(s) */
1430 CINIT(MAIL_RCPT, OBJECTPOINT, 187),
1432 /* FTP: send PRET before PASV */
1433 CINIT(FTP_USE_PRET, LONG, 188),
1435 /* RTSP request method (OPTIONS, SETUP, PLAY, etc...) */
1436 CINIT(RTSP_REQUEST, LONG, 189),
1438 /* The RTSP session identifier */
1439 CINIT(RTSP_SESSION_ID, OBJECTPOINT, 190),
1441 /* The RTSP stream URI */
1442 CINIT(RTSP_STREAM_URI, OBJECTPOINT, 191),
1444 /* The Transport: header to use in RTSP requests */
1445 CINIT(RTSP_TRANSPORT, OBJECTPOINT, 192),
1447 /* Manually initialize the client RTSP CSeq for this handle */
1448 CINIT(RTSP_CLIENT_CSEQ, LONG, 193),
1450 /* Manually initialize the server RTSP CSeq for this handle */
1451 CINIT(RTSP_SERVER_CSEQ, LONG, 194),
1453 /* The stream to pass to INTERLEAVEFUNCTION. */
1454 CINIT(INTERLEAVEDATA, OBJECTPOINT, 195),
1456 /* Let the application define a custom write method for RTP data */
1457 CINIT(INTERLEAVEFUNCTION, FUNCTIONPOINT, 196),
1459 /* Turn on wildcard matching */
1460 CINIT(WILDCARDMATCH, LONG, 197),
1462 /* Directory matching callback called before downloading of an
1463 individual file (chunk) started */
1464 CINIT(CHUNK_BGN_FUNCTION, FUNCTIONPOINT, 198),
1466 /* Directory matching callback called after the file (chunk)
1467 was downloaded, or skipped */
1468 CINIT(CHUNK_END_FUNCTION, FUNCTIONPOINT, 199),
1470 /* Change match (fnmatch-like) callback for wildcard matching */
1471 CINIT(FNMATCH_FUNCTION, FUNCTIONPOINT, 200),
1473 /* Let the application define custom chunk data pointer */
1474 CINIT(CHUNK_DATA, OBJECTPOINT, 201),
1476 /* FNMATCH_FUNCTION user pointer */
1477 CINIT(FNMATCH_DATA, OBJECTPOINT, 202),
1479 /* send linked-list of name:port:address sets */
1480 CINIT(RESOLVE, OBJECTPOINT, 203),
1482 /* Set a username for authenticated TLS */
1483 CINIT(TLSAUTH_USERNAME, OBJECTPOINT, 204),
1485 /* Set a password for authenticated TLS */
1486 CINIT(TLSAUTH_PASSWORD, OBJECTPOINT, 205),
1488 /* Set authentication type for authenticated TLS */
1489 CINIT(TLSAUTH_TYPE, OBJECTPOINT, 206),
1491 /* Set to 1 to enable the "TE:" header in HTTP requests to ask for
1492 compressed transfer-encoded responses. Set to 0 to disable the use of TE:
1493 in outgoing requests. The current default is 0, but it might change in a
1494 future libcurl release.
1496 libcurl will ask for the compressed methods it knows of, and if that
1497 isn't any, it will not ask for transfer-encoding at all even if this
1501 CINIT(TRANSFER_ENCODING, LONG, 207),
1503 /* Callback function for closing socket (instead of close(2)). The callback
1504 should have type curl_closesocket_callback */
1505 CINIT(CLOSESOCKETFUNCTION, FUNCTIONPOINT, 208),
1506 CINIT(CLOSESOCKETDATA, OBJECTPOINT, 209),
1508 /* allow GSSAPI credential delegation */
1509 CINIT(GSSAPI_DELEGATION, LONG, 210),
1511 /* Set the name servers to use for DNS resolution */
1512 CINIT(DNS_SERVERS, OBJECTPOINT, 211),
1514 /* Time-out accept operations (currently for FTP only) after this amount
1516 CINIT(ACCEPTTIMEOUT_MS, LONG, 212),
1518 /* Set TCP keepalive */
1519 CINIT(TCP_KEEPALIVE, LONG, 213),
1521 /* non-universal keepalive knobs (Linux, AIX, HP-UX, more) */
1522 CINIT(TCP_KEEPIDLE, LONG, 214),
1523 CINIT(TCP_KEEPINTVL, LONG, 215),
1525 /* Enable/disable specific SSL features with a bitmask, see CURLSSLOPT_* */
1526 CINIT(SSL_OPTIONS, LONG, 216),
1528 /* set the SMTP auth originator */
1529 CINIT(MAIL_AUTH, OBJECTPOINT, 217),
1531 CURLOPT_LASTENTRY /* the last unused */
1534 #ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
1535 the obsolete stuff removed! */
1537 /* Backwards compatibility with older names */
1538 /* These are scheduled to disappear by 2011 */
1540 /* This was added in version 7.19.1 */
1541 #define CURLOPT_POST301 CURLOPT_POSTREDIR
1543 /* These are scheduled to disappear by 2009 */
1545 /* The following were added in 7.17.0 */
1546 #define CURLOPT_SSLKEYPASSWD CURLOPT_KEYPASSWD
1547 #define CURLOPT_FTPAPPEND CURLOPT_APPEND
1548 #define CURLOPT_FTPLISTONLY CURLOPT_DIRLISTONLY
1549 #define CURLOPT_FTP_SSL CURLOPT_USE_SSL
1551 /* The following were added earlier */
1553 #define CURLOPT_SSLCERTPASSWD CURLOPT_KEYPASSWD
1554 #define CURLOPT_KRB4LEVEL CURLOPT_KRBLEVEL
1557 /* This is set if CURL_NO_OLDIES is defined at compile-time */
1558 #undef CURLOPT_DNS_USE_GLOBAL_CACHE /* soon obsolete */
1562 /* Below here follows defines for the CURLOPT_IPRESOLVE option. If a host
1563 name resolves addresses using more than one IP protocol version, this
1564 option might be handy to force libcurl to use a specific IP version. */
1565 #define CURL_IPRESOLVE_WHATEVER 0 /* default, resolves addresses to all IP
1566 versions that your system allows */
1567 #define CURL_IPRESOLVE_V4 1 /* resolve to ipv4 addresses */
1568 #define CURL_IPRESOLVE_V6 2 /* resolve to ipv6 addresses */
1570 /* three convenient "aliases" that follow the name scheme better */
1571 #define CURLOPT_WRITEDATA CURLOPT_FILE
1572 #define CURLOPT_READDATA CURLOPT_INFILE
1573 #define CURLOPT_HEADERDATA CURLOPT_WRITEHEADER
1574 #define CURLOPT_RTSPHEADER CURLOPT_HTTPHEADER
1576 /* These enums are for use with the CURLOPT_HTTP_VERSION option. */
1578 CURL_HTTP_VERSION_NONE, /* setting this means we don't care, and that we'd
1579 like the library to choose the best possible
1581 CURL_HTTP_VERSION_1_0, /* please use HTTP 1.0 in the request */
1582 CURL_HTTP_VERSION_1_1, /* please use HTTP 1.1 in the request */
1584 CURL_HTTP_VERSION_LAST /* *ILLEGAL* http version */
1588 * Public API enums for RTSP requests
1591 CURL_RTSPREQ_NONE, /* first in list */
1592 CURL_RTSPREQ_OPTIONS,
1593 CURL_RTSPREQ_DESCRIBE,
1594 CURL_RTSPREQ_ANNOUNCE,
1598 CURL_RTSPREQ_TEARDOWN,
1599 CURL_RTSPREQ_GET_PARAMETER,
1600 CURL_RTSPREQ_SET_PARAMETER,
1601 CURL_RTSPREQ_RECORD,
1602 CURL_RTSPREQ_RECEIVE,
1603 CURL_RTSPREQ_LAST /* last in list */
1606 /* These enums are for use with the CURLOPT_NETRC option. */
1607 enum CURL_NETRC_OPTION {
1608 CURL_NETRC_IGNORED, /* The .netrc will never be read.
1609 * This is the default. */
1610 CURL_NETRC_OPTIONAL, /* A user:password in the URL will be preferred
1611 * to one in the .netrc. */
1612 CURL_NETRC_REQUIRED, /* A user:password in the URL will be ignored.
1613 * Unless one is set programmatically, the .netrc
1614 * will be queried. */
1619 CURL_SSLVERSION_DEFAULT,
1620 CURL_SSLVERSION_TLSv1,
1621 CURL_SSLVERSION_SSLv2,
1622 CURL_SSLVERSION_SSLv3,
1624 CURL_SSLVERSION_LAST /* never use, keep last */
1630 CURL_TLSAUTH_LAST /* never use, keep last */
1633 /* symbols to use with CURLOPT_POSTREDIR.
1634 CURL_REDIR_POST_301, CURL_REDIR_POST_302 and CURL_REDIR_POST_303
1635 can be bitwise ORed so that CURL_REDIR_POST_301 | CURL_REDIR_POST_302
1636 | CURL_REDIR_POST_303 == CURL_REDIR_POST_ALL */
1638 #define CURL_REDIR_GET_ALL 0
1639 #define CURL_REDIR_POST_301 1
1640 #define CURL_REDIR_POST_302 2
1641 #define CURL_REDIR_POST_303 4
1642 #define CURL_REDIR_POST_ALL \
1643 (CURL_REDIR_POST_301|CURL_REDIR_POST_302|CURL_REDIR_POST_303)
1648 CURL_TIMECOND_IFMODSINCE,
1649 CURL_TIMECOND_IFUNMODSINCE,
1650 CURL_TIMECOND_LASTMOD,
1656 /* curl_strequal() and curl_strnequal() are subject for removal in a future
1657 libcurl, see lib/README.curlx for details */
1658 CURL_EXTERN int (curl_strequal)(const char *s1, const char *s2);
1659 CURL_EXTERN int (curl_strnequal)(const char *s1, const char *s2, size_t n);
1661 /* name is uppercase CURLFORM_<name> */
1667 #define CFINIT(name) CURLFORM_ ## name
1669 /* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
1670 #define CFINIT(name) CURLFORM_/**/name
1674 CFINIT(NOTHING), /********* the first one is unused ************/
1680 CFINIT(COPYCONTENTS),
1681 CFINIT(PTRCONTENTS),
1682 CFINIT(CONTENTSLENGTH),
1683 CFINIT(FILECONTENT),
1690 CFINIT(BUFFERLENGTH),
1692 CFINIT(CONTENTTYPE),
1693 CFINIT(CONTENTHEADER),
1700 CURLFORM_LASTENTRY /* the last unused */
1703 #undef CFINIT /* done */
1705 /* structure to be used as parameter for CURLFORM_ARRAY */
1707 CURLformoption option;
1711 /* use this for multipart formpost building */
1712 /* Returns code for curl_formadd()
1715 * CURL_FORMADD_OK on success
1716 * CURL_FORMADD_MEMORY if the FormInfo allocation fails
1717 * CURL_FORMADD_OPTION_TWICE if one option is given twice for one Form
1718 * CURL_FORMADD_NULL if a null pointer was given for a char
1719 * CURL_FORMADD_MEMORY if the allocation of a FormInfo struct failed
1720 * CURL_FORMADD_UNKNOWN_OPTION if an unknown option was used
1721 * CURL_FORMADD_INCOMPLETE if the some FormInfo is not complete (or error)
1722 * CURL_FORMADD_MEMORY if a curl_httppost struct cannot be allocated
1723 * CURL_FORMADD_MEMORY if some allocation for string copying failed.
1724 * CURL_FORMADD_ILLEGAL_ARRAY if an illegal option is used in an array
1726 ***************************************************************************/
1728 CURL_FORMADD_OK, /* first, no error */
1730 CURL_FORMADD_MEMORY,
1731 CURL_FORMADD_OPTION_TWICE,
1733 CURL_FORMADD_UNKNOWN_OPTION,
1734 CURL_FORMADD_INCOMPLETE,
1735 CURL_FORMADD_ILLEGAL_ARRAY,
1736 CURL_FORMADD_DISABLED, /* libcurl was built with this disabled */
1738 CURL_FORMADD_LAST /* last */
1742 * NAME curl_formadd()
1746 * Pretty advanced function for building multi-part formposts. Each invoke
1747 * adds one part that together construct a full post. Then use
1748 * CURLOPT_HTTPPOST to send it off to libcurl.
1750 CURL_EXTERN CURLFORMcode curl_formadd(struct curl_httppost **httppost,
1751 struct curl_httppost **last_post,
1755 * callback function for curl_formget()
1756 * The void *arg pointer will be the one passed as second argument to
1758 * The character buffer passed to it must not be freed.
1759 * Should return the buffer length passed to it as the argument "len" on
1762 typedef size_t (*curl_formget_callback)(void *arg, const char *buf,
1766 * NAME curl_formget()
1770 * Serialize a curl_httppost struct built with curl_formadd().
1771 * Accepts a void pointer as second argument which will be passed to
1772 * the curl_formget_callback function.
1773 * Returns 0 on success.
1775 CURL_EXTERN int curl_formget(struct curl_httppost *form, void *arg,
1776 curl_formget_callback append);
1778 * NAME curl_formfree()
1782 * Free a multipart formpost previously built with curl_formadd().
1784 CURL_EXTERN void curl_formfree(struct curl_httppost *form);
1787 * NAME curl_getenv()
1791 * Returns a malloc()'ed string that MUST be curl_free()ed after usage is
1792 * complete. DEPRECATED - see lib/README.curlx
1794 CURL_EXTERN char *curl_getenv(const char *variable);
1797 * NAME curl_version()
1801 * Returns a static ascii string of the libcurl version.
1803 CURL_EXTERN char *curl_version(void);
1806 * NAME curl_easy_escape()
1810 * Escapes URL strings (converts all letters consider illegal in URLs to their
1811 * %XX versions). This function returns a new allocated string or NULL if an
1814 CURL_EXTERN char *curl_easy_escape(CURL *handle,
1818 /* the previous version: */
1819 CURL_EXTERN char *curl_escape(const char *string,
1824 * NAME curl_easy_unescape()
1828 * Unescapes URL encoding in strings (converts all %XX codes to their 8bit
1829 * versions). This function returns a new allocated string or NULL if an error
1831 * Conversion Note: On non-ASCII platforms the ASCII %XX codes are
1832 * converted into the host encoding.
1834 CURL_EXTERN char *curl_easy_unescape(CURL *handle,
1839 /* the previous version */
1840 CURL_EXTERN char *curl_unescape(const char *string,
1848 * Provided for de-allocation in the same translation unit that did the
1849 * allocation. Added in libcurl 7.10
1851 CURL_EXTERN void curl_free(void *p);
1854 * NAME curl_global_init()
1858 * curl_global_init() should be invoked exactly once for each application that
1859 * uses libcurl and before any call of other libcurl functions.
1861 * This function is not thread-safe!
1863 CURL_EXTERN CURLcode curl_global_init(long flags);
1866 * NAME curl_global_init_mem()
1870 * curl_global_init() or curl_global_init_mem() should be invoked exactly once
1871 * for each application that uses libcurl. This function can be used to
1872 * initialize libcurl and set user defined memory management callback
1873 * functions. Users can implement memory management routines to check for
1874 * memory leaks, check for mis-use of the curl library etc. User registered
1875 * callback routines with be invoked by this library instead of the system
1876 * memory management routines like malloc, free etc.
1878 CURL_EXTERN CURLcode curl_global_init_mem(long flags,
1879 curl_malloc_callback m,
1880 curl_free_callback f,
1881 curl_realloc_callback r,
1882 curl_strdup_callback s,
1883 curl_calloc_callback c);
1886 * NAME curl_global_cleanup()
1890 * curl_global_cleanup() should be invoked exactly once for each application
1893 CURL_EXTERN void curl_global_cleanup(void);
1895 /* linked-list structure for the CURLOPT_QUOTE option (and other) */
1898 struct curl_slist *next;
1902 * NAME curl_slist_append()
1906 * Appends a string to a linked list. If no list exists, it will be created
1907 * first. Returns the new list, after appending.
1909 CURL_EXTERN struct curl_slist *curl_slist_append(struct curl_slist *,
1913 * NAME curl_slist_free_all()
1917 * free a previously built curl_slist.
1919 CURL_EXTERN void curl_slist_free_all(struct curl_slist *);
1922 * NAME curl_getdate()
1926 * Returns the time, in seconds since 1 Jan 1970 of the time string given in
1927 * the first argument. The time argument in the second parameter is unused
1928 * and should be set to NULL.
1930 CURL_EXTERN time_t curl_getdate(const char *p, const time_t *unused);
1932 /* info about the certificate chain, only for OpenSSL builds. Asked
1933 for with CURLOPT_CERTINFO / CURLINFO_CERTINFO */
1934 struct curl_certinfo {
1935 int num_of_certs; /* number of certificates with information */
1936 struct curl_slist **certinfo; /* for each index in this array, there's a
1937 linked list with textual information in the
1938 format "name: value" */
1941 #define CURLINFO_STRING 0x100000
1942 #define CURLINFO_LONG 0x200000
1943 #define CURLINFO_DOUBLE 0x300000
1944 #define CURLINFO_SLIST 0x400000
1945 #define CURLINFO_MASK 0x0fffff
1946 #define CURLINFO_TYPEMASK 0xf00000
1949 CURLINFO_NONE, /* first, never use this */
1950 CURLINFO_EFFECTIVE_URL = CURLINFO_STRING + 1,
1951 CURLINFO_RESPONSE_CODE = CURLINFO_LONG + 2,
1952 CURLINFO_TOTAL_TIME = CURLINFO_DOUBLE + 3,
1953 CURLINFO_NAMELOOKUP_TIME = CURLINFO_DOUBLE + 4,
1954 CURLINFO_CONNECT_TIME = CURLINFO_DOUBLE + 5,
1955 CURLINFO_PRETRANSFER_TIME = CURLINFO_DOUBLE + 6,
1956 CURLINFO_SIZE_UPLOAD = CURLINFO_DOUBLE + 7,
1957 CURLINFO_SIZE_DOWNLOAD = CURLINFO_DOUBLE + 8,
1958 CURLINFO_SPEED_DOWNLOAD = CURLINFO_DOUBLE + 9,
1959 CURLINFO_SPEED_UPLOAD = CURLINFO_DOUBLE + 10,
1960 CURLINFO_HEADER_SIZE = CURLINFO_LONG + 11,
1961 CURLINFO_REQUEST_SIZE = CURLINFO_LONG + 12,
1962 CURLINFO_SSL_VERIFYRESULT = CURLINFO_LONG + 13,
1963 CURLINFO_FILETIME = CURLINFO_LONG + 14,
1964 CURLINFO_CONTENT_LENGTH_DOWNLOAD = CURLINFO_DOUBLE + 15,
1965 CURLINFO_CONTENT_LENGTH_UPLOAD = CURLINFO_DOUBLE + 16,
1966 CURLINFO_STARTTRANSFER_TIME = CURLINFO_DOUBLE + 17,
1967 CURLINFO_CONTENT_TYPE = CURLINFO_STRING + 18,
1968 CURLINFO_REDIRECT_TIME = CURLINFO_DOUBLE + 19,
1969 CURLINFO_REDIRECT_COUNT = CURLINFO_LONG + 20,
1970 CURLINFO_PRIVATE = CURLINFO_STRING + 21,
1971 CURLINFO_HTTP_CONNECTCODE = CURLINFO_LONG + 22,
1972 CURLINFO_HTTPAUTH_AVAIL = CURLINFO_LONG + 23,
1973 CURLINFO_PROXYAUTH_AVAIL = CURLINFO_LONG + 24,
1974 CURLINFO_OS_ERRNO = CURLINFO_LONG + 25,
1975 CURLINFO_NUM_CONNECTS = CURLINFO_LONG + 26,
1976 CURLINFO_SSL_ENGINES = CURLINFO_SLIST + 27,
1977 CURLINFO_COOKIELIST = CURLINFO_SLIST + 28,
1978 CURLINFO_LASTSOCKET = CURLINFO_LONG + 29,
1979 CURLINFO_FTP_ENTRY_PATH = CURLINFO_STRING + 30,
1980 CURLINFO_REDIRECT_URL = CURLINFO_STRING + 31,
1981 CURLINFO_PRIMARY_IP = CURLINFO_STRING + 32,
1982 CURLINFO_APPCONNECT_TIME = CURLINFO_DOUBLE + 33,
1983 CURLINFO_CERTINFO = CURLINFO_SLIST + 34,
1984 CURLINFO_CONDITION_UNMET = CURLINFO_LONG + 35,
1985 CURLINFO_RTSP_SESSION_ID = CURLINFO_STRING + 36,
1986 CURLINFO_RTSP_CLIENT_CSEQ = CURLINFO_LONG + 37,
1987 CURLINFO_RTSP_SERVER_CSEQ = CURLINFO_LONG + 38,
1988 CURLINFO_RTSP_CSEQ_RECV = CURLINFO_LONG + 39,
1989 CURLINFO_PRIMARY_PORT = CURLINFO_LONG + 40,
1990 CURLINFO_LOCAL_IP = CURLINFO_STRING + 41,
1991 CURLINFO_LOCAL_PORT = CURLINFO_LONG + 42,
1992 /* Fill in new entries below here! */
1994 CURLINFO_LASTONE = 42
1997 /* CURLINFO_RESPONSE_CODE is the new name for the option previously known as
1998 CURLINFO_HTTP_CODE */
1999 #define CURLINFO_HTTP_CODE CURLINFO_RESPONSE_CODE
2002 CURLCLOSEPOLICY_NONE, /* first, never use this */
2004 CURLCLOSEPOLICY_OLDEST,
2005 CURLCLOSEPOLICY_LEAST_RECENTLY_USED,
2006 CURLCLOSEPOLICY_LEAST_TRAFFIC,
2007 CURLCLOSEPOLICY_SLOWEST,
2008 CURLCLOSEPOLICY_CALLBACK,
2010 CURLCLOSEPOLICY_LAST /* last, never use this */
2013 #define CURL_GLOBAL_SSL (1<<0)
2014 #define CURL_GLOBAL_WIN32 (1<<1)
2015 #define CURL_GLOBAL_ALL (CURL_GLOBAL_SSL|CURL_GLOBAL_WIN32)
2016 #define CURL_GLOBAL_NOTHING 0
2017 #define CURL_GLOBAL_DEFAULT CURL_GLOBAL_ALL
2018 #define CURL_GLOBAL_ACK_EINTR (1<<2)
2021 /*****************************************************************************
2022 * Setup defines, protos etc for the sharing stuff.
2025 /* Different data locks for a single share */
2027 CURL_LOCK_DATA_NONE = 0,
2028 /* CURL_LOCK_DATA_SHARE is used internally to say that
2029 * the locking is just made to change the internal state of the share
2032 CURL_LOCK_DATA_SHARE,
2033 CURL_LOCK_DATA_COOKIE,
2035 CURL_LOCK_DATA_SSL_SESSION,
2036 CURL_LOCK_DATA_CONNECT,
2040 /* Different lock access types */
2042 CURL_LOCK_ACCESS_NONE = 0, /* unspecified action */
2043 CURL_LOCK_ACCESS_SHARED = 1, /* for read perhaps */
2044 CURL_LOCK_ACCESS_SINGLE = 2, /* for write perhaps */
2045 CURL_LOCK_ACCESS_LAST /* never use */
2048 typedef void (*curl_lock_function)(CURL *handle,
2049 curl_lock_data data,
2050 curl_lock_access locktype,
2052 typedef void (*curl_unlock_function)(CURL *handle,
2053 curl_lock_data data,
2056 typedef void CURLSH;
2059 CURLSHE_OK, /* all is fine */
2060 CURLSHE_BAD_OPTION, /* 1 */
2061 CURLSHE_IN_USE, /* 2 */
2062 CURLSHE_INVALID, /* 3 */
2063 CURLSHE_NOMEM, /* 4 out of memory */
2064 CURLSHE_NOT_BUILT_IN, /* 5 feature not present in lib */
2065 CURLSHE_LAST /* never use */
2069 CURLSHOPT_NONE, /* don't use */
2070 CURLSHOPT_SHARE, /* specify a data type to share */
2071 CURLSHOPT_UNSHARE, /* specify which data type to stop sharing */
2072 CURLSHOPT_LOCKFUNC, /* pass in a 'curl_lock_function' pointer */
2073 CURLSHOPT_UNLOCKFUNC, /* pass in a 'curl_unlock_function' pointer */
2074 CURLSHOPT_USERDATA, /* pass in a user data pointer used in the lock/unlock
2075 callback functions */
2076 CURLSHOPT_LAST /* never use */
2079 CURL_EXTERN CURLSH *curl_share_init(void);
2080 CURL_EXTERN CURLSHcode curl_share_setopt(CURLSH *, CURLSHoption option, ...);
2081 CURL_EXTERN CURLSHcode curl_share_cleanup(CURLSH *);
2083 /****************************************************************************
2084 * Structures for querying information about the curl library at runtime.
2092 CURLVERSION_LAST /* never actually use this */
2095 /* The 'CURLVERSION_NOW' is the symbolic name meant to be used by
2096 basically all programs ever that want to get version information. It is
2097 meant to be a built-in version number for what kind of struct the caller
2098 expects. If the struct ever changes, we redefine the NOW to another enum
2100 #define CURLVERSION_NOW CURLVERSION_FOURTH
2103 CURLversion age; /* age of the returned struct */
2104 const char *version; /* LIBCURL_VERSION */
2105 unsigned int version_num; /* LIBCURL_VERSION_NUM */
2106 const char *host; /* OS/host/cpu/machine when configured */
2107 int features; /* bitmask, see defines below */
2108 const char *ssl_version; /* human readable string */
2109 long ssl_version_num; /* not used anymore, always 0 */
2110 const char *libz_version; /* human readable string */
2111 /* protocols is terminated by an entry with a NULL protoname */
2112 const char * const *protocols;
2114 /* The fields below this were added in CURLVERSION_SECOND */
2118 /* This field was added in CURLVERSION_THIRD */
2121 /* These field were added in CURLVERSION_FOURTH */
2123 /* Same as '_libiconv_version' if built with HAVE_ICONV */
2126 const char *libssh_version; /* human readable string */
2128 } curl_version_info_data;
2130 #define CURL_VERSION_IPV6 (1<<0) /* IPv6-enabled */
2131 #define CURL_VERSION_KERBEROS4 (1<<1) /* kerberos auth is supported */
2132 #define CURL_VERSION_SSL (1<<2) /* SSL options are present */
2133 #define CURL_VERSION_LIBZ (1<<3) /* libz features are present */
2134 #define CURL_VERSION_NTLM (1<<4) /* NTLM auth is supported */
2135 #define CURL_VERSION_GSSNEGOTIATE (1<<5) /* Negotiate auth support */
2136 #define CURL_VERSION_DEBUG (1<<6) /* built with debug capabilities */
2137 #define CURL_VERSION_ASYNCHDNS (1<<7) /* asynchronous dns resolves */
2138 #define CURL_VERSION_SPNEGO (1<<8) /* SPNEGO auth */
2139 #define CURL_VERSION_LARGEFILE (1<<9) /* supports files bigger than 2GB */
2140 #define CURL_VERSION_IDN (1<<10) /* International Domain Names support */
2141 #define CURL_VERSION_SSPI (1<<11) /* SSPI is supported */
2142 #define CURL_VERSION_CONV (1<<12) /* character conversions supported */
2143 #define CURL_VERSION_CURLDEBUG (1<<13) /* debug memory tracking supported */
2144 #define CURL_VERSION_TLSAUTH_SRP (1<<14) /* TLS-SRP auth is supported */
2145 #define CURL_VERSION_NTLM_WB (1<<15) /* NTLM delegating to winbind helper */
2148 * NAME curl_version_info()
2152 * This function returns a pointer to a static copy of the version info
2153 * struct. See above.
2155 CURL_EXTERN curl_version_info_data *curl_version_info(CURLversion);
2158 * NAME curl_easy_strerror()
2162 * The curl_easy_strerror function may be used to turn a CURLcode value
2163 * into the equivalent human readable error string. This is useful
2164 * for printing meaningful error messages.
2166 CURL_EXTERN const char *curl_easy_strerror(CURLcode);
2169 * NAME curl_share_strerror()
2173 * The curl_share_strerror function may be used to turn a CURLSHcode value
2174 * into the equivalent human readable error string. This is useful
2175 * for printing meaningful error messages.
2177 CURL_EXTERN const char *curl_share_strerror(CURLSHcode);
2180 * NAME curl_easy_pause()
2184 * The curl_easy_pause function pauses or unpauses transfers. Select the new
2185 * state by setting the bitmask, use the convenience defines below.
2188 CURL_EXTERN CURLcode curl_easy_pause(CURL *handle, int bitmask);
2190 #define CURLPAUSE_RECV (1<<0)
2191 #define CURLPAUSE_RECV_CONT (0)
2193 #define CURLPAUSE_SEND (1<<2)
2194 #define CURLPAUSE_SEND_CONT (0)
2196 #define CURLPAUSE_ALL (CURLPAUSE_RECV|CURLPAUSE_SEND)
2197 #define CURLPAUSE_CONT (CURLPAUSE_RECV_CONT|CURLPAUSE_SEND_CONT)
2203 /* unfortunately, the easy.h and multi.h include files need options and info
2204 stuff before they can be included! */
2205 #include "easy.h" /* nothing in curl is fun without the easy stuff */
2208 /* the typechecker doesn't work in C++ (yet) */
2209 #if defined(__GNUC__) && defined(__GNUC_MINOR__) && \
2210 ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && \
2211 !defined(__cplusplus) && !defined(CURL_DISABLE_TYPECHECK)
2212 #include "typecheck-gcc.h"
2214 #if defined(__STDC__) && (__STDC__ >= 1)
2215 /* This preprocessor magic that replaces a call with the exact same call is
2216 only done to make sure application authors pass exactly three arguments
2217 to these functions. */
2218 #define curl_easy_setopt(handle,opt,param) curl_easy_setopt(handle,opt,param)
2219 #define curl_easy_getinfo(handle,info,arg) curl_easy_getinfo(handle,info,arg)
2220 #define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
2221 #define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
2222 #endif /* __STDC__ >= 1 */
2223 #endif /* gcc >= 4.3 && !__cplusplus */
2225 #endif /* __CURL_CURL_H */