3 /***************************************************************************
5 * Project ___| | | | _ \| |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
10 * Copyright (C) 1998 - 2010, 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(__GNUC__) && \
59 !defined(__CYGWIN__) || defined(__MINGW32__)
60 #if !(defined(_WINSOCKAPI_) || defined(_WINSOCK_H))
61 /* The check above prevents the winsock2 inclusion if winsock.h already was
62 included, since they can't co-exist without problems */
68 /* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
69 libc5-based Linux systems. Only include it on system that are known to
71 #if defined(_AIX) || defined(__NOVELL_LIBC__) || defined(__NetBSD__) || \
72 defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY) || \
74 (defined(__FreeBSD_version) && (__FreeBSD_version < 800000))
75 #include <sys/select.h>
79 #include <sys/socket.h>
81 #if !defined(WIN32) && !defined(__WATCOMC__) && !defined(__VXWORKS__)
84 #include <sys/types.h>
88 #include <support/SupportDefs.h>
98 * Decorate exportable functions for Win32 and Symbian OS DLL linking.
99 * This avoids using a .def file for building libcurl.dll.
101 #if (defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__)) && \
102 !defined(CURL_STATICLIB)
103 #if defined(BUILDING_LIBCURL)
104 #define CURL_EXTERN __declspec(dllexport)
106 #define CURL_EXTERN __declspec(dllimport)
110 #ifdef CURL_HIDDEN_SYMBOLS
112 * This definition is used to make external definitions visible in the
113 * shared library when symbols are hidden by default. It makes no
114 * difference when compiling applications whether this is set or not,
115 * only when compiling the library.
117 #define CURL_EXTERN CURL_EXTERN_SYMBOL
123 #ifndef curl_socket_typedef
126 typedef SOCKET curl_socket_t;
127 #define CURL_SOCKET_BAD INVALID_SOCKET
129 typedef int curl_socket_t;
130 #define CURL_SOCKET_BAD -1
132 #define curl_socket_typedef
133 #endif /* curl_socket_typedef */
135 struct curl_httppost {
136 struct curl_httppost *next; /* next entry in the list */
137 char *name; /* pointer to allocated name */
138 long namelength; /* length of name length */
139 char *contents; /* pointer to allocated data contents */
140 long contentslength; /* length of contents field */
141 char *buffer; /* pointer to allocated buffer contents */
142 long bufferlength; /* length of buffer field */
143 char *contenttype; /* Content-Type */
144 struct curl_slist* contentheader; /* list of extra headers for this form */
145 struct curl_httppost *more; /* if one field name has more than one
146 file, this link should link to following
148 long flags; /* as defined below */
149 #define HTTPPOST_FILENAME (1<<0) /* specified content is a file name */
150 #define HTTPPOST_READFILE (1<<1) /* specified content is a file name */
151 #define HTTPPOST_PTRNAME (1<<2) /* name is only stored pointer
152 do not free in formfree */
153 #define HTTPPOST_PTRCONTENTS (1<<3) /* contents is only stored pointer
154 do not free in formfree */
155 #define HTTPPOST_BUFFER (1<<4) /* upload file from buffer */
156 #define HTTPPOST_PTRBUFFER (1<<5) /* upload file from pointer contents */
157 #define HTTPPOST_CALLBACK (1<<6) /* upload file contents by using the
158 regular read callback to get the data
159 and pass the given pointer as custom
162 char *showfilename; /* The file name to show. If not set, the
163 actual file name will be used (if this
165 void *userp; /* custom pointer used for
166 HTTPPOST_CALLBACK posts */
169 typedef int (*curl_progress_callback)(void *clientp,
175 #ifndef CURL_MAX_WRITE_SIZE
176 /* Tests have proven that 20K is a very bad buffer size for uploads on
177 Windows, while 16K for some odd reason performed a lot better.
178 We do the ifndef check to allow this value to easier be changed at build
179 time for those who feel adventurous. The practical minimum is about
180 400 bytes since libcurl uses a buffer of this size as a scratch area
181 (unrelated to network send operations). */
182 #define CURL_MAX_WRITE_SIZE 16384
185 #ifndef CURL_MAX_HTTP_HEADER
186 /* The only reason to have a max limit for this is to avoid the risk of a bad
187 server feeding libcurl with a never-ending header that will cause reallocs
189 #define CURL_MAX_HTTP_HEADER (100*1024)
193 /* This is a magic return code for the write callback that, when returned,
194 will signal libcurl to pause receiving on the current transfer. */
195 #define CURL_WRITEFUNC_PAUSE 0x10000001
196 typedef size_t (*curl_write_callback)(char *buffer,
203 /* enumeration of file types */
205 CURLFILETYPE_FILE = 0,
206 CURLFILETYPE_DIRECTORY,
207 CURLFILETYPE_SYMLINK,
208 CURLFILETYPE_DEVICE_BLOCK,
209 CURLFILETYPE_DEVICE_CHAR,
210 CURLFILETYPE_NAMEDPIPE,
212 CURLFILETYPE_DOOR, /* is possible only on Sun Solaris now */
214 CURLFILETYPE_UNKNOWN /* should never occur */
217 #define CURLFINFOFLAG_KNOWN_FILENAME (1<<0)
218 #define CURLFINFOFLAG_KNOWN_FILETYPE (1<<1)
219 #define CURLFINFOFLAG_KNOWN_TIME (1<<2)
220 #define CURLFINFOFLAG_KNOWN_PERM (1<<3)
221 #define CURLFINFOFLAG_KNOWN_UID (1<<4)
222 #define CURLFINFOFLAG_KNOWN_GID (1<<5)
223 #define CURLFINFOFLAG_KNOWN_SIZE (1<<6)
224 #define CURLFINFOFLAG_KNOWN_HLINKCOUNT (1<<7)
226 /* Content of this structure depends on information which is known and is
227 achievable (e.g. by FTP LIST parsing). Please see the url_easy_setopt(3) man
228 page for callbacks returning this structure -- some fields are mandatory,
229 some others are optional. The FLAG field has special meaning. */
230 struct curl_fileinfo {
232 curlfiletype filetype;
241 /* If some of these fields is not NULL, it is a pointer to b_data. */
246 char *target; /* pointer to the target filename of a symlink */
251 /* used internally */
257 /* return codes for CURLOPT_CHUNK_BGN_FUNCTION */
258 #define CURL_CHUNK_BGN_FUNC_OK 0
259 #define CURL_CHUNK_BGN_FUNC_FAIL 1 /* tell the lib to end the task */
260 #define CURL_CHUNK_BGN_FUNC_SKIP 2 /* skip this chunk over */
262 /* if splitting of data transfer is enabled, this callback is called before
263 download of an individual chunk started. Note that parameter "remains" works
264 only for FTP wildcard downloading (for now), otherwise is not used */
265 typedef long (*curl_chunk_bgn_callback)(const void *transfer_info,
269 /* return codes for CURLOPT_CHUNK_END_FUNCTION */
270 #define CURL_CHUNK_END_FUNC_OK 0
271 #define CURL_CHUNK_END_FUNC_FAIL 1 /* tell the lib to end the task */
273 /* If splitting of data transfer is enabled this callback is called after
274 download of an individual chunk finished.
275 Note! After this callback was set then it have to be called FOR ALL chunks.
276 Even if downloading of this chunk was skipped in CHUNK_BGN_FUNC.
277 This is the reason why we don't need "transfer_info" parameter in this
278 callback and we are not interested in "remains" parameter too. */
279 typedef long (*curl_chunk_end_callback)(void *ptr);
281 /* return codes for FNMATCHFUNCTION */
282 #define CURL_FNMATCHFUNC_MATCH 0 /* string corresponds to the pattern */
283 #define CURL_FNMATCHFUNC_NOMATCH 1 /* pattern doesn't match the string */
284 #define CURL_FNMATCHFUNC_FAIL 2 /* an error occurred */
286 /* callback type for wildcard downloading pattern matching. If the
287 string matches the pattern, return CURL_FNMATCHFUNC_MATCH value, etc. */
288 typedef int (*curl_fnmatch_callback)(void *ptr,
292 /* These are the return codes for the seek callbacks */
293 #define CURL_SEEKFUNC_OK 0
294 #define CURL_SEEKFUNC_FAIL 1 /* fail the entire transfer */
295 #define CURL_SEEKFUNC_CANTSEEK 2 /* tell libcurl seeking can't be done, so
296 libcurl might try other means instead */
297 typedef int (*curl_seek_callback)(void *instream,
299 int origin); /* 'whence' */
301 /* This is a return code for the read callback that, when returned, will
302 signal libcurl to immediately abort the current transfer. */
303 #define CURL_READFUNC_ABORT 0x10000000
304 /* This is a return code for the read callback that, when returned, will
305 signal libcurl to pause sending data on the current transfer. */
306 #define CURL_READFUNC_PAUSE 0x10000001
308 typedef size_t (*curl_read_callback)(char *buffer,
314 CURLSOCKTYPE_IPCXN, /* socket created for a specific IP connection */
315 CURLSOCKTYPE_LAST /* never use */
318 typedef int (*curl_sockopt_callback)(void *clientp,
319 curl_socket_t curlfd,
320 curlsocktype purpose);
322 struct curl_sockaddr {
326 unsigned int addrlen; /* addrlen was a socklen_t type before 7.18.0 but it
327 turned really ugly and painful on the systems that
329 struct sockaddr addr;
332 typedef curl_socket_t
333 (*curl_opensocket_callback)(void *clientp,
334 curlsocktype purpose,
335 struct curl_sockaddr *address);
338 CURLIOE_OK, /* I/O operation successful */
339 CURLIOE_UNKNOWNCMD, /* command was unknown to callback */
340 CURLIOE_FAILRESTART, /* failed to restart the read */
341 CURLIOE_LAST /* never use */
345 CURLIOCMD_NOP, /* no operation */
346 CURLIOCMD_RESTARTREAD, /* restart the read stream from start */
347 CURLIOCMD_LAST /* never use */
350 typedef curlioerr (*curl_ioctl_callback)(CURL *handle,
355 * The following typedef's are signatures of malloc, free, realloc, strdup and
356 * calloc respectively. Function pointers of these types can be passed to the
357 * curl_global_init_mem() function to set user defined memory management
360 typedef void *(*curl_malloc_callback)(size_t size);
361 typedef void (*curl_free_callback)(void *ptr);
362 typedef void *(*curl_realloc_callback)(void *ptr, size_t size);
363 typedef char *(*curl_strdup_callback)(const char *str);
364 typedef void *(*curl_calloc_callback)(size_t nmemb, size_t size);
366 /* the kind of data that is passed to information_callback*/
369 CURLINFO_HEADER_IN, /* 1 */
370 CURLINFO_HEADER_OUT, /* 2 */
371 CURLINFO_DATA_IN, /* 3 */
372 CURLINFO_DATA_OUT, /* 4 */
373 CURLINFO_SSL_DATA_IN, /* 5 */
374 CURLINFO_SSL_DATA_OUT, /* 6 */
378 typedef int (*curl_debug_callback)
379 (CURL *handle, /* the handle/transfer this concerns */
380 curl_infotype type, /* what kind of data */
381 char *data, /* points to the data */
382 size_t size, /* size of the data pointed to */
383 void *userptr); /* whatever the user please */
385 /* All possible error codes from all sorts of curl functions. Future versions
386 may return other values, stay prepared.
388 Always add new return codes last. Never *EVER* remove any. The return
389 codes must remain the same!
394 CURLE_UNSUPPORTED_PROTOCOL, /* 1 */
395 CURLE_FAILED_INIT, /* 2 */
396 CURLE_URL_MALFORMAT, /* 3 */
397 CURLE_OBSOLETE4, /* 4 - NOT USED */
398 CURLE_COULDNT_RESOLVE_PROXY, /* 5 */
399 CURLE_COULDNT_RESOLVE_HOST, /* 6 */
400 CURLE_COULDNT_CONNECT, /* 7 */
401 CURLE_FTP_WEIRD_SERVER_REPLY, /* 8 */
402 CURLE_REMOTE_ACCESS_DENIED, /* 9 a service was denied by the server
403 due to lack of access - when login fails
404 this is not returned. */
405 CURLE_OBSOLETE10, /* 10 - NOT USED */
406 CURLE_FTP_WEIRD_PASS_REPLY, /* 11 */
407 CURLE_OBSOLETE12, /* 12 - NOT USED */
408 CURLE_FTP_WEIRD_PASV_REPLY, /* 13 */
409 CURLE_FTP_WEIRD_227_FORMAT, /* 14 */
410 CURLE_FTP_CANT_GET_HOST, /* 15 */
411 CURLE_OBSOLETE16, /* 16 - NOT USED */
412 CURLE_FTP_COULDNT_SET_TYPE, /* 17 */
413 CURLE_PARTIAL_FILE, /* 18 */
414 CURLE_FTP_COULDNT_RETR_FILE, /* 19 */
415 CURLE_OBSOLETE20, /* 20 - NOT USED */
416 CURLE_QUOTE_ERROR, /* 21 - quote command failure */
417 CURLE_HTTP_RETURNED_ERROR, /* 22 */
418 CURLE_WRITE_ERROR, /* 23 */
419 CURLE_OBSOLETE24, /* 24 - NOT USED */
420 CURLE_UPLOAD_FAILED, /* 25 - failed upload "command" */
421 CURLE_READ_ERROR, /* 26 - couldn't open/read from file */
422 CURLE_OUT_OF_MEMORY, /* 27 */
423 /* Note: CURLE_OUT_OF_MEMORY may sometimes indicate a conversion error
424 instead of a memory allocation error if CURL_DOES_CONVERSIONS
427 CURLE_OPERATION_TIMEDOUT, /* 28 - the timeout time was reached */
428 CURLE_OBSOLETE29, /* 29 - NOT USED */
429 CURLE_FTP_PORT_FAILED, /* 30 - FTP PORT operation failed */
430 CURLE_FTP_COULDNT_USE_REST, /* 31 - the REST command failed */
431 CURLE_OBSOLETE32, /* 32 - NOT USED */
432 CURLE_RANGE_ERROR, /* 33 - RANGE "command" didn't work */
433 CURLE_HTTP_POST_ERROR, /* 34 */
434 CURLE_SSL_CONNECT_ERROR, /* 35 - wrong when connecting with SSL */
435 CURLE_BAD_DOWNLOAD_RESUME, /* 36 - couldn't resume download */
436 CURLE_FILE_COULDNT_READ_FILE, /* 37 */
437 CURLE_LDAP_CANNOT_BIND, /* 38 */
438 CURLE_LDAP_SEARCH_FAILED, /* 39 */
439 CURLE_OBSOLETE40, /* 40 - NOT USED */
440 CURLE_FUNCTION_NOT_FOUND, /* 41 */
441 CURLE_ABORTED_BY_CALLBACK, /* 42 */
442 CURLE_BAD_FUNCTION_ARGUMENT, /* 43 */
443 CURLE_OBSOLETE44, /* 44 - NOT USED */
444 CURLE_INTERFACE_FAILED, /* 45 - CURLOPT_INTERFACE failed */
445 CURLE_OBSOLETE46, /* 46 - NOT USED */
446 CURLE_TOO_MANY_REDIRECTS , /* 47 - catch endless re-direct loops */
447 CURLE_UNKNOWN_TELNET_OPTION, /* 48 - User specified an unknown option */
448 CURLE_TELNET_OPTION_SYNTAX , /* 49 - Malformed telnet option */
449 CURLE_OBSOLETE50, /* 50 - NOT USED */
450 CURLE_PEER_FAILED_VERIFICATION, /* 51 - peer's certificate or fingerprint
451 wasn't verified fine */
452 CURLE_GOT_NOTHING, /* 52 - when this is a specific error */
453 CURLE_SSL_ENGINE_NOTFOUND, /* 53 - SSL crypto engine not found */
454 CURLE_SSL_ENGINE_SETFAILED, /* 54 - can not set SSL crypto engine as
456 CURLE_SEND_ERROR, /* 55 - failed sending network data */
457 CURLE_RECV_ERROR, /* 56 - failure in receiving network data */
458 CURLE_OBSOLETE57, /* 57 - NOT IN USE */
459 CURLE_SSL_CERTPROBLEM, /* 58 - problem with the local certificate */
460 CURLE_SSL_CIPHER, /* 59 - couldn't use specified cipher */
461 CURLE_SSL_CACERT, /* 60 - problem with the CA cert (path?) */
462 CURLE_BAD_CONTENT_ENCODING, /* 61 - Unrecognized transfer encoding */
463 CURLE_LDAP_INVALID_URL, /* 62 - Invalid LDAP URL */
464 CURLE_FILESIZE_EXCEEDED, /* 63 - Maximum file size exceeded */
465 CURLE_USE_SSL_FAILED, /* 64 - Requested FTP SSL level failed */
466 CURLE_SEND_FAIL_REWIND, /* 65 - Sending the data requires a rewind
468 CURLE_SSL_ENGINE_INITFAILED, /* 66 - failed to initialise ENGINE */
469 CURLE_LOGIN_DENIED, /* 67 - user, password or similar was not
470 accepted and we failed to login */
471 CURLE_TFTP_NOTFOUND, /* 68 - file not found on server */
472 CURLE_TFTP_PERM, /* 69 - permission problem on server */
473 CURLE_REMOTE_DISK_FULL, /* 70 - out of disk space on server */
474 CURLE_TFTP_ILLEGAL, /* 71 - Illegal TFTP operation */
475 CURLE_TFTP_UNKNOWNID, /* 72 - Unknown transfer ID */
476 CURLE_REMOTE_FILE_EXISTS, /* 73 - File already exists */
477 CURLE_TFTP_NOSUCHUSER, /* 74 - No such user */
478 CURLE_CONV_FAILED, /* 75 - conversion failed */
479 CURLE_CONV_REQD, /* 76 - caller must register conversion
480 callbacks using curl_easy_setopt options
481 CURLOPT_CONV_FROM_NETWORK_FUNCTION,
482 CURLOPT_CONV_TO_NETWORK_FUNCTION, and
483 CURLOPT_CONV_FROM_UTF8_FUNCTION */
484 CURLE_SSL_CACERT_BADFILE, /* 77 - could not load CACERT file, missing
486 CURLE_REMOTE_FILE_NOT_FOUND, /* 78 - remote file not found */
487 CURLE_SSH, /* 79 - error from the SSH layer, somewhat
488 generic so the error message will be of
489 interest when this has happened */
491 CURLE_SSL_SHUTDOWN_FAILED, /* 80 - Failed to shut down the SSL
493 CURLE_AGAIN, /* 81 - socket is not ready for send/recv,
494 wait till it's ready and try again (Added
496 CURLE_SSL_CRL_BADFILE, /* 82 - could not load CRL file, missing or
497 wrong format (Added in 7.19.0) */
498 CURLE_SSL_ISSUER_ERROR, /* 83 - Issuer check failed. (Added in
500 CURLE_FTP_PRET_FAILED, /* 84 - a PRET command failed */
501 CURLE_RTSP_CSEQ_ERROR, /* 85 - mismatch of RTSP CSeq numbers */
502 CURLE_RTSP_SESSION_ERROR, /* 86 - mismatch of RTSP Session Identifiers */
503 CURLE_FTP_BAD_FILE_LIST, /* 87 - unable to parse FTP file list */
504 CURLE_CHUNK_FAILED, /* 88 - chunk callback reported error */
506 CURL_LAST /* never use! */
509 #ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
510 the obsolete stuff removed! */
512 /* Backwards compatibility with older names */
514 /* The following were added in 7.17.1 */
515 /* These are scheduled to disappear by 2009 */
516 #define CURLE_SSL_PEER_CERTIFICATE CURLE_PEER_FAILED_VERIFICATION
518 /* The following were added in 7.17.0 */
519 /* These are scheduled to disappear by 2009 */
520 #define CURLE_OBSOLETE CURLE_OBSOLETE50 /* noone should be using this! */
521 #define CURLE_BAD_PASSWORD_ENTERED CURLE_OBSOLETE46
522 #define CURLE_BAD_CALLING_ORDER CURLE_OBSOLETE44
523 #define CURLE_FTP_USER_PASSWORD_INCORRECT CURLE_OBSOLETE10
524 #define CURLE_FTP_CANT_RECONNECT CURLE_OBSOLETE16
525 #define CURLE_FTP_COULDNT_GET_SIZE CURLE_OBSOLETE32
526 #define CURLE_FTP_COULDNT_SET_ASCII CURLE_OBSOLETE29
527 #define CURLE_FTP_WEIRD_USER_REPLY CURLE_OBSOLETE12
528 #define CURLE_FTP_WRITE_ERROR CURLE_OBSOLETE20
529 #define CURLE_LIBRARY_NOT_FOUND CURLE_OBSOLETE40
530 #define CURLE_MALFORMAT_USER CURLE_OBSOLETE24
531 #define CURLE_SHARE_IN_USE CURLE_OBSOLETE57
532 #define CURLE_URL_MALFORMAT_USER CURLE_OBSOLETE4
534 #define CURLE_FTP_ACCESS_DENIED CURLE_REMOTE_ACCESS_DENIED
535 #define CURLE_FTP_COULDNT_SET_BINARY CURLE_FTP_COULDNT_SET_TYPE
536 #define CURLE_FTP_QUOTE_ERROR CURLE_QUOTE_ERROR
537 #define CURLE_TFTP_DISKFULL CURLE_REMOTE_DISK_FULL
538 #define CURLE_TFTP_EXISTS CURLE_REMOTE_FILE_EXISTS
539 #define CURLE_HTTP_RANGE_ERROR CURLE_RANGE_ERROR
540 #define CURLE_FTP_SSL_FAILED CURLE_USE_SSL_FAILED
542 /* The following were added earlier */
544 #define CURLE_OPERATION_TIMEOUTED CURLE_OPERATION_TIMEDOUT
546 #define CURLE_HTTP_NOT_FOUND CURLE_HTTP_RETURNED_ERROR
547 #define CURLE_HTTP_PORT_FAILED CURLE_INTERFACE_FAILED
548 #define CURLE_FTP_COULDNT_STOR_FILE CURLE_UPLOAD_FAILED
550 #define CURLE_FTP_PARTIAL_FILE CURLE_PARTIAL_FILE
551 #define CURLE_FTP_BAD_DOWNLOAD_RESUME CURLE_BAD_DOWNLOAD_RESUME
553 /* This was the error code 50 in 7.7.3 and a few earlier versions, this
554 is no longer used by libcurl but is instead #defined here only to not
555 make programs break */
556 #define CURLE_ALREADY_COMPLETE 99999
558 #endif /*!CURL_NO_OLDIES*/
560 /* This prototype applies to all conversion callbacks */
561 typedef CURLcode (*curl_conv_callback)(char *buffer, size_t length);
563 typedef CURLcode (*curl_ssl_ctx_callback)(CURL *curl, /* easy handle */
564 void *ssl_ctx, /* actually an
569 CURLPROXY_HTTP = 0, /* added in 7.10, new in 7.19.4 default is to use
571 CURLPROXY_HTTP_1_0 = 1, /* added in 7.19.4, force to use CONNECT
573 CURLPROXY_SOCKS4 = 4, /* support added in 7.15.2, enum existed already
575 CURLPROXY_SOCKS5 = 5, /* added in 7.10 */
576 CURLPROXY_SOCKS4A = 6, /* added in 7.18.0 */
577 CURLPROXY_SOCKS5_HOSTNAME = 7 /* Use the SOCKS5 protocol but pass along the
578 host name rather than the IP address. added
580 } curl_proxytype; /* this enum was added in 7.10 */
582 #define CURLAUTH_NONE 0 /* nothing */
583 #define CURLAUTH_BASIC (1<<0) /* Basic (default) */
584 #define CURLAUTH_DIGEST (1<<1) /* Digest */
585 #define CURLAUTH_GSSNEGOTIATE (1<<2) /* GSS-Negotiate */
586 #define CURLAUTH_NTLM (1<<3) /* NTLM */
587 #define CURLAUTH_DIGEST_IE (1<<4) /* Digest with IE flavour */
588 #define CURLAUTH_ONLY (1<<31) /* used together with a single other
589 type to force no auth or just that
591 #define CURLAUTH_ANY (~CURLAUTH_DIGEST_IE) /* all fine types set */
592 #define CURLAUTH_ANYSAFE (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
594 #define CURLSSH_AUTH_ANY ~0 /* all types supported by the server */
595 #define CURLSSH_AUTH_NONE 0 /* none allowed, silly but complete */
596 #define CURLSSH_AUTH_PUBLICKEY (1<<0) /* public/private key files */
597 #define CURLSSH_AUTH_PASSWORD (1<<1) /* password */
598 #define CURLSSH_AUTH_HOST (1<<2) /* host key files */
599 #define CURLSSH_AUTH_KEYBOARD (1<<3) /* keyboard interactive */
600 #define CURLSSH_AUTH_DEFAULT CURLSSH_AUTH_ANY
602 #define CURL_ERROR_SIZE 256
605 const char *key; /* points to a zero-terminated string encoded with base64
606 if len is zero, otherwise to the "raw" data */
616 /* this is the set of return values expected from the curl_sshkeycallback
619 CURLKHSTAT_FINE_ADD_TO_FILE,
621 CURLKHSTAT_REJECT, /* reject the connection, return an error */
622 CURLKHSTAT_DEFER, /* do not accept it, but we can't answer right now so
623 this causes a CURLE_DEFER error but otherwise the
624 connection will be left intact etc */
625 CURLKHSTAT_LAST /* not for use, only a marker for last-in-list */
628 /* this is the set of status codes pass in to the callback */
630 CURLKHMATCH_OK, /* match */
631 CURLKHMATCH_MISMATCH, /* host found, key mismatch! */
632 CURLKHMATCH_MISSING, /* no matching host/key found */
633 CURLKHMATCH_LAST /* not for use, only a marker for last-in-list */
637 (*curl_sshkeycallback) (CURL *easy, /* easy handle */
638 const struct curl_khkey *knownkey, /* known */
639 const struct curl_khkey *foundkey, /* found */
640 enum curl_khmatch, /* libcurl's view on the keys */
641 void *clientp); /* custom pointer passed from app */
643 /* parameter for the CURLOPT_USE_SSL option */
645 CURLUSESSL_NONE, /* do not attempt to use SSL */
646 CURLUSESSL_TRY, /* try using SSL, proceed anyway otherwise */
647 CURLUSESSL_CONTROL, /* SSL for the control connection or fail */
648 CURLUSESSL_ALL, /* SSL for all communication or fail */
649 CURLUSESSL_LAST /* not an option, never use */
652 #ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
653 the obsolete stuff removed! */
655 /* Backwards compatibility with older names */
656 /* These are scheduled to disappear by 2009 */
658 #define CURLFTPSSL_NONE CURLUSESSL_NONE
659 #define CURLFTPSSL_TRY CURLUSESSL_TRY
660 #define CURLFTPSSL_CONTROL CURLUSESSL_CONTROL
661 #define CURLFTPSSL_ALL CURLUSESSL_ALL
662 #define CURLFTPSSL_LAST CURLUSESSL_LAST
663 #define curl_ftpssl curl_usessl
664 #endif /*!CURL_NO_OLDIES*/
666 /* parameter for the CURLOPT_FTP_SSL_CCC option */
668 CURLFTPSSL_CCC_NONE, /* do not send CCC */
669 CURLFTPSSL_CCC_PASSIVE, /* Let the server initiate the shutdown */
670 CURLFTPSSL_CCC_ACTIVE, /* Initiate the shutdown */
671 CURLFTPSSL_CCC_LAST /* not an option, never use */
674 /* parameter for the CURLOPT_FTPSSLAUTH option */
676 CURLFTPAUTH_DEFAULT, /* let libcurl decide */
677 CURLFTPAUTH_SSL, /* use "AUTH SSL" */
678 CURLFTPAUTH_TLS, /* use "AUTH TLS" */
679 CURLFTPAUTH_LAST /* not an option, never use */
682 /* parameter for the CURLOPT_FTP_CREATE_MISSING_DIRS option */
684 CURLFTP_CREATE_DIR_NONE, /* do NOT create missing dirs! */
685 CURLFTP_CREATE_DIR, /* (FTP/SFTP) if CWD fails, try MKD and then CWD
686 again if MKD succeeded, for SFTP this does
688 CURLFTP_CREATE_DIR_RETRY, /* (FTP only) if CWD fails, try MKD and then CWD
689 again even if MKD failed! */
690 CURLFTP_CREATE_DIR_LAST /* not an option, never use */
693 /* parameter for the CURLOPT_FTP_FILEMETHOD option */
695 CURLFTPMETHOD_DEFAULT, /* let libcurl pick */
696 CURLFTPMETHOD_MULTICWD, /* single CWD operation for each path part */
697 CURLFTPMETHOD_NOCWD, /* no CWD at all */
698 CURLFTPMETHOD_SINGLECWD, /* one CWD to full dir, then work on file */
699 CURLFTPMETHOD_LAST /* not an option, never use */
702 /* CURLPROTO_ defines are for the CURLOPT_*PROTOCOLS options */
703 #define CURLPROTO_HTTP (1<<0)
704 #define CURLPROTO_HTTPS (1<<1)
705 #define CURLPROTO_FTP (1<<2)
706 #define CURLPROTO_FTPS (1<<3)
707 #define CURLPROTO_SCP (1<<4)
708 #define CURLPROTO_SFTP (1<<5)
709 #define CURLPROTO_TELNET (1<<6)
710 #define CURLPROTO_LDAP (1<<7)
711 #define CURLPROTO_LDAPS (1<<8)
712 #define CURLPROTO_DICT (1<<9)
713 #define CURLPROTO_FILE (1<<10)
714 #define CURLPROTO_TFTP (1<<11)
715 #define CURLPROTO_IMAP (1<<12)
716 #define CURLPROTO_IMAPS (1<<13)
717 #define CURLPROTO_POP3 (1<<14)
718 #define CURLPROTO_POP3S (1<<15)
719 #define CURLPROTO_SMTP (1<<16)
720 #define CURLPROTO_SMTPS (1<<17)
721 #define CURLPROTO_RTSP (1<<18)
722 #define CURLPROTO_RTMP (1<<19)
723 #define CURLPROTO_RTMPT (1<<20)
724 #define CURLPROTO_RTMPE (1<<21)
725 #define CURLPROTO_RTMPTE (1<<22)
726 #define CURLPROTO_RTMPS (1<<23)
727 #define CURLPROTO_RTMPTS (1<<24)
728 #define CURLPROTO_GOPHER (1<<25)
729 #define CURLPROTO_ALL (~0) /* enable everything */
731 /* long may be 32 or 64 bits, but we should never depend on anything else
733 #define CURLOPTTYPE_LONG 0
734 #define CURLOPTTYPE_OBJECTPOINT 10000
735 #define CURLOPTTYPE_FUNCTIONPOINT 20000
736 #define CURLOPTTYPE_OFF_T 30000
738 /* name is uppercase CURLOPT_<name>,
739 type is one of the defined CURLOPTTYPE_<type>
740 number is unique identifier */
746 #define CINIT(name,type,number) CURLOPT_ ## name = CURLOPTTYPE_ ## type + number
748 /* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
749 #define LONG CURLOPTTYPE_LONG
750 #define OBJECTPOINT CURLOPTTYPE_OBJECTPOINT
751 #define FUNCTIONPOINT CURLOPTTYPE_FUNCTIONPOINT
752 #define OFF_T CURLOPTTYPE_OFF_T
753 #define CINIT(name,type,number) CURLOPT_/**/name = type + number
757 * This macro-mania below setups the CURLOPT_[what] enum, to be used with
758 * curl_easy_setopt(). The first argument in the CINIT() macro is the [what]
763 /* This is the FILE * or void * the regular output should be written to. */
764 CINIT(FILE, OBJECTPOINT, 1),
766 /* The full URL to get/put */
767 CINIT(URL, OBJECTPOINT, 2),
769 /* Port number to connect to, if other than default. */
770 CINIT(PORT, LONG, 3),
772 /* Name of proxy to use. */
773 CINIT(PROXY, OBJECTPOINT, 4),
775 /* "name:password" to use when fetching. */
776 CINIT(USERPWD, OBJECTPOINT, 5),
778 /* "name:password" to use with proxy. */
779 CINIT(PROXYUSERPWD, OBJECTPOINT, 6),
781 /* Range to get, specified as an ASCII string. */
782 CINIT(RANGE, OBJECTPOINT, 7),
786 /* Specified file stream to upload from (use as input): */
787 CINIT(INFILE, OBJECTPOINT, 9),
789 /* Buffer to receive error messages in, must be at least CURL_ERROR_SIZE
790 * bytes big. If this is not used, error messages go to stderr instead: */
791 CINIT(ERRORBUFFER, OBJECTPOINT, 10),
793 /* Function that will be called to store the output (instead of fwrite). The
794 * parameters will use fwrite() syntax, make sure to follow them. */
795 CINIT(WRITEFUNCTION, FUNCTIONPOINT, 11),
797 /* Function that will be called to read the input (instead of fread). The
798 * parameters will use fread() syntax, make sure to follow them. */
799 CINIT(READFUNCTION, FUNCTIONPOINT, 12),
801 /* Time-out the read operation after this amount of seconds */
802 CINIT(TIMEOUT, LONG, 13),
804 /* If the CURLOPT_INFILE is used, this can be used to inform libcurl about
805 * how large the file being sent really is. That allows better error
806 * checking and better verifies that the upload was successful. -1 means
809 * For large file support, there is also a _LARGE version of the key
810 * which takes an off_t type, allowing platforms with larger off_t
811 * sizes to handle larger files. See below for INFILESIZE_LARGE.
813 CINIT(INFILESIZE, LONG, 14),
815 /* POST static input fields. */
816 CINIT(POSTFIELDS, OBJECTPOINT, 15),
818 /* Set the referrer page (needed by some CGIs) */
819 CINIT(REFERER, OBJECTPOINT, 16),
821 /* Set the FTP PORT string (interface name, named or numerical IP address)
822 Use i.e '-' to use default address. */
823 CINIT(FTPPORT, OBJECTPOINT, 17),
825 /* Set the User-Agent string (examined by some CGIs) */
826 CINIT(USERAGENT, OBJECTPOINT, 18),
828 /* If the download receives less than "low speed limit" bytes/second
829 * during "low speed time" seconds, the operations is aborted.
830 * You could i.e if you have a pretty high speed connection, abort if
831 * it is less than 2000 bytes/sec during 20 seconds.
834 /* Set the "low speed limit" */
835 CINIT(LOW_SPEED_LIMIT, LONG, 19),
837 /* Set the "low speed time" */
838 CINIT(LOW_SPEED_TIME, LONG, 20),
840 /* Set the continuation offset.
842 * Note there is also a _LARGE version of this key which uses
843 * off_t types, allowing for large file offsets on platforms which
844 * use larger-than-32-bit off_t's. Look below for RESUME_FROM_LARGE.
846 CINIT(RESUME_FROM, LONG, 21),
848 /* Set cookie in request: */
849 CINIT(COOKIE, OBJECTPOINT, 22),
851 /* This points to a linked list of headers, struct curl_slist kind */
852 CINIT(HTTPHEADER, OBJECTPOINT, 23),
854 /* This points to a linked list of post entries, struct curl_httppost */
855 CINIT(HTTPPOST, OBJECTPOINT, 24),
857 /* name of the file keeping your private SSL-certificate */
858 CINIT(SSLCERT, OBJECTPOINT, 25),
860 /* password for the SSL or SSH private key */
861 CINIT(KEYPASSWD, OBJECTPOINT, 26),
863 /* send TYPE parameter? */
864 CINIT(CRLF, LONG, 27),
866 /* send linked-list of QUOTE commands */
867 CINIT(QUOTE, OBJECTPOINT, 28),
869 /* send FILE * or void * to store headers to, if you use a callback it
870 is simply passed to the callback unmodified */
871 CINIT(WRITEHEADER, OBJECTPOINT, 29),
873 /* point to a file to read the initial cookies from, also enables
874 "cookie awareness" */
875 CINIT(COOKIEFILE, OBJECTPOINT, 31),
877 /* What version to specifically try to use.
878 See CURL_SSLVERSION defines below. */
879 CINIT(SSLVERSION, LONG, 32),
881 /* What kind of HTTP time condition to use, see defines */
882 CINIT(TIMECONDITION, LONG, 33),
884 /* Time to use with the above condition. Specified in number of seconds
886 CINIT(TIMEVALUE, LONG, 34),
890 /* Custom request, for customizing the get command like
891 HTTP: DELETE, TRACE and others
892 FTP: to use a different list command
894 CINIT(CUSTOMREQUEST, OBJECTPOINT, 36),
896 /* HTTP request, for odd commands like DELETE, TRACE and others */
897 CINIT(STDERR, OBJECTPOINT, 37),
901 /* send linked-list of post-transfer QUOTE commands */
902 CINIT(POSTQUOTE, OBJECTPOINT, 39),
904 /* Pass a pointer to string of the output using full variable-replacement
905 as described elsewhere. */
906 CINIT(WRITEINFO, OBJECTPOINT, 40),
908 CINIT(VERBOSE, LONG, 41), /* talk a lot */
909 CINIT(HEADER, LONG, 42), /* throw the header out too */
910 CINIT(NOPROGRESS, LONG, 43), /* shut off the progress meter */
911 CINIT(NOBODY, LONG, 44), /* use HEAD to get http document */
912 CINIT(FAILONERROR, LONG, 45), /* no output on http error codes >= 300 */
913 CINIT(UPLOAD, LONG, 46), /* this is an upload */
914 CINIT(POST, LONG, 47), /* HTTP POST method */
915 CINIT(DIRLISTONLY, LONG, 48), /* return bare names when listing directories */
917 CINIT(APPEND, LONG, 50), /* Append instead of overwrite on upload! */
919 /* Specify whether to read the user+password from the .netrc or the URL.
920 * This must be one of the CURL_NETRC_* enums below. */
921 CINIT(NETRC, LONG, 51),
923 CINIT(FOLLOWLOCATION, LONG, 52), /* use Location: Luke! */
925 CINIT(TRANSFERTEXT, LONG, 53), /* transfer data in text/ASCII format */
926 CINIT(PUT, LONG, 54), /* HTTP PUT */
930 /* Function that will be called instead of the internal progress display
931 * function. This function should be defined as the curl_progress_callback
932 * prototype defines. */
933 CINIT(PROGRESSFUNCTION, FUNCTIONPOINT, 56),
935 /* Data passed to the progress callback */
936 CINIT(PROGRESSDATA, OBJECTPOINT, 57),
938 /* We want the referrer field set automatically when following locations */
939 CINIT(AUTOREFERER, LONG, 58),
941 /* Port of the proxy, can be set in the proxy string as well with:
943 CINIT(PROXYPORT, LONG, 59),
945 /* size of the POST input data, if strlen() is not good to use */
946 CINIT(POSTFIELDSIZE, LONG, 60),
948 /* tunnel non-http operations through a HTTP proxy */
949 CINIT(HTTPPROXYTUNNEL, LONG, 61),
951 /* Set the interface string to use as outgoing network interface */
952 CINIT(INTERFACE, OBJECTPOINT, 62),
954 /* Set the krb4/5 security level, this also enables krb4/5 awareness. This
955 * is a string, 'clear', 'safe', 'confidential' or 'private'. If the string
956 * is set but doesn't match one of these, 'private' will be used. */
957 CINIT(KRBLEVEL, OBJECTPOINT, 63),
959 /* Set if we should verify the peer in ssl handshake, set 1 to verify. */
960 CINIT(SSL_VERIFYPEER, LONG, 64),
962 /* The CApath or CAfile used to validate the peer certificate
963 this option is used only if SSL_VERIFYPEER is true */
964 CINIT(CAINFO, OBJECTPOINT, 65),
969 /* Maximum number of http redirects to follow */
970 CINIT(MAXREDIRS, LONG, 68),
972 /* Pass a long set to 1 to get the date of the requested document (if
973 possible)! Pass a zero to shut it off. */
974 CINIT(FILETIME, LONG, 69),
976 /* This points to a linked list of telnet options */
977 CINIT(TELNETOPTIONS, OBJECTPOINT, 70),
979 /* Max amount of cached alive connections */
980 CINIT(MAXCONNECTS, LONG, 71),
982 /* What policy to use when closing connections when the cache is filled
984 CINIT(CLOSEPOLICY, LONG, 72),
988 /* Set to explicitly use a new connection for the upcoming transfer.
989 Do not use this unless you're absolutely sure of this, as it makes the
990 operation slower and is less friendly for the network. */
991 CINIT(FRESH_CONNECT, LONG, 74),
993 /* Set to explicitly forbid the upcoming transfer's connection to be re-used
994 when done. Do not use this unless you're absolutely sure of this, as it
995 makes the operation slower and is less friendly for the network. */
996 CINIT(FORBID_REUSE, LONG, 75),
998 /* Set to a file name that contains random data for libcurl to use to
999 seed the random engine when doing SSL connects. */
1000 CINIT(RANDOM_FILE, OBJECTPOINT, 76),
1002 /* Set to the Entropy Gathering Daemon socket pathname */
1003 CINIT(EGDSOCKET, OBJECTPOINT, 77),
1005 /* Time-out connect operations after this amount of seconds, if connects
1006 are OK within this time, then fine... This only aborts the connect
1007 phase. [Only works on unix-style/SIGALRM operating systems] */
1008 CINIT(CONNECTTIMEOUT, LONG, 78),
1010 /* Function that will be called to store headers (instead of fwrite). The
1011 * parameters will use fwrite() syntax, make sure to follow them. */
1012 CINIT(HEADERFUNCTION, FUNCTIONPOINT, 79),
1014 /* Set this to force the HTTP request to get back to GET. Only really usable
1015 if POST, PUT or a custom request have been used first.
1017 CINIT(HTTPGET, LONG, 80),
1019 /* Set if we should verify the Common name from the peer certificate in ssl
1020 * handshake, set 1 to check existence, 2 to ensure that it matches the
1021 * provided hostname. */
1022 CINIT(SSL_VERIFYHOST, LONG, 81),
1024 /* Specify which file name to write all known cookies in after completed
1025 operation. Set file name to "-" (dash) to make it go to stdout. */
1026 CINIT(COOKIEJAR, OBJECTPOINT, 82),
1028 /* Specify which SSL ciphers to use */
1029 CINIT(SSL_CIPHER_LIST, OBJECTPOINT, 83),
1031 /* Specify which HTTP version to use! This must be set to one of the
1032 CURL_HTTP_VERSION* enums set below. */
1033 CINIT(HTTP_VERSION, LONG, 84),
1035 /* Specifically switch on or off the FTP engine's use of the EPSV command. By
1036 default, that one will always be attempted before the more traditional
1038 CINIT(FTP_USE_EPSV, LONG, 85),
1040 /* type of the file keeping your SSL-certificate ("DER", "PEM", "ENG") */
1041 CINIT(SSLCERTTYPE, OBJECTPOINT, 86),
1043 /* name of the file keeping your private SSL-key */
1044 CINIT(SSLKEY, OBJECTPOINT, 87),
1046 /* type of the file keeping your private SSL-key ("DER", "PEM", "ENG") */
1047 CINIT(SSLKEYTYPE, OBJECTPOINT, 88),
1049 /* crypto engine for the SSL-sub system */
1050 CINIT(SSLENGINE, OBJECTPOINT, 89),
1052 /* set the crypto engine for the SSL-sub system as default
1053 the param has no meaning...
1055 CINIT(SSLENGINE_DEFAULT, LONG, 90),
1057 /* Non-zero value means to use the global dns cache */
1058 CINIT(DNS_USE_GLOBAL_CACHE, LONG, 91), /* To become OBSOLETE soon */
1060 /* DNS cache timeout */
1061 CINIT(DNS_CACHE_TIMEOUT, LONG, 92),
1063 /* send linked-list of pre-transfer QUOTE commands */
1064 CINIT(PREQUOTE, OBJECTPOINT, 93),
1066 /* set the debug function */
1067 CINIT(DEBUGFUNCTION, FUNCTIONPOINT, 94),
1069 /* set the data for the debug function */
1070 CINIT(DEBUGDATA, OBJECTPOINT, 95),
1072 /* mark this as start of a cookie session */
1073 CINIT(COOKIESESSION, LONG, 96),
1075 /* The CApath directory used to validate the peer certificate
1076 this option is used only if SSL_VERIFYPEER is true */
1077 CINIT(CAPATH, OBJECTPOINT, 97),
1079 /* Instruct libcurl to use a smaller receive buffer */
1080 CINIT(BUFFERSIZE, LONG, 98),
1082 /* Instruct libcurl to not use any signal/alarm handlers, even when using
1083 timeouts. This option is useful for multi-threaded applications.
1084 See libcurl-the-guide for more background information. */
1085 CINIT(NOSIGNAL, LONG, 99),
1087 /* Provide a CURLShare for mutexing non-ts data */
1088 CINIT(SHARE, OBJECTPOINT, 100),
1090 /* indicates type of proxy. accepted values are CURLPROXY_HTTP (default),
1091 CURLPROXY_SOCKS4, CURLPROXY_SOCKS4A and CURLPROXY_SOCKS5. */
1092 CINIT(PROXYTYPE, LONG, 101),
1094 /* Set the Accept-Encoding string. Use this to tell a server you would like
1095 the response to be compressed. */
1096 CINIT(ENCODING, OBJECTPOINT, 102),
1098 /* Set pointer to private data */
1099 CINIT(PRIVATE, OBJECTPOINT, 103),
1101 /* Set aliases for HTTP 200 in the HTTP Response header */
1102 CINIT(HTTP200ALIASES, OBJECTPOINT, 104),
1104 /* Continue to send authentication (user+password) when following locations,
1105 even when hostname changed. This can potentially send off the name
1106 and password to whatever host the server decides. */
1107 CINIT(UNRESTRICTED_AUTH, LONG, 105),
1109 /* Specifically switch on or off the FTP engine's use of the EPRT command ( it
1110 also disables the LPRT attempt). By default, those ones will always be
1111 attempted before the good old traditional PORT command. */
1112 CINIT(FTP_USE_EPRT, LONG, 106),
1114 /* Set this to a bitmask value to enable the particular authentications
1115 methods you like. Use this in combination with CURLOPT_USERPWD.
1116 Note that setting multiple bits may cause extra network round-trips. */
1117 CINIT(HTTPAUTH, LONG, 107),
1119 /* Set the ssl context callback function, currently only for OpenSSL ssl_ctx
1120 in second argument. The function must be matching the
1121 curl_ssl_ctx_callback proto. */
1122 CINIT(SSL_CTX_FUNCTION, FUNCTIONPOINT, 108),
1124 /* Set the userdata for the ssl context callback function's third
1126 CINIT(SSL_CTX_DATA, OBJECTPOINT, 109),
1128 /* FTP Option that causes missing dirs to be created on the remote server.
1129 In 7.19.4 we introduced the convenience enums for this option using the
1130 CURLFTP_CREATE_DIR prefix.
1132 CINIT(FTP_CREATE_MISSING_DIRS, LONG, 110),
1134 /* Set this to a bitmask value to enable the particular authentications
1135 methods you like. Use this in combination with CURLOPT_PROXYUSERPWD.
1136 Note that setting multiple bits may cause extra network round-trips. */
1137 CINIT(PROXYAUTH, LONG, 111),
1139 /* FTP option that changes the timeout, in seconds, associated with
1140 getting a response. This is different from transfer timeout time and
1141 essentially places a demand on the FTP server to acknowledge commands
1142 in a timely manner. */
1143 CINIT(FTP_RESPONSE_TIMEOUT, LONG, 112),
1144 #define CURLOPT_SERVER_RESPONSE_TIMEOUT CURLOPT_FTP_RESPONSE_TIMEOUT
1146 /* Set this option to one of the CURL_IPRESOLVE_* defines (see below) to
1147 tell libcurl to resolve names to those IP versions only. This only has
1148 affect on systems with support for more than one, i.e IPv4 _and_ IPv6. */
1149 CINIT(IPRESOLVE, LONG, 113),
1151 /* Set this option to limit the size of a file that will be downloaded from
1152 an HTTP or FTP server.
1154 Note there is also _LARGE version which adds large file support for
1155 platforms which have larger off_t sizes. See MAXFILESIZE_LARGE below. */
1156 CINIT(MAXFILESIZE, LONG, 114),
1158 /* See the comment for INFILESIZE above, but in short, specifies
1159 * the size of the file being uploaded. -1 means unknown.
1161 CINIT(INFILESIZE_LARGE, OFF_T, 115),
1163 /* Sets the continuation offset. There is also a LONG version of this;
1164 * look above for RESUME_FROM.
1166 CINIT(RESUME_FROM_LARGE, OFF_T, 116),
1168 /* Sets the maximum size of data that will be downloaded from
1169 * an HTTP or FTP server. See MAXFILESIZE above for the LONG version.
1171 CINIT(MAXFILESIZE_LARGE, OFF_T, 117),
1173 /* Set this option to the file name of your .netrc file you want libcurl
1174 to parse (using the CURLOPT_NETRC option). If not set, libcurl will do
1175 a poor attempt to find the user's home directory and check for a .netrc
1177 CINIT(NETRC_FILE, OBJECTPOINT, 118),
1179 /* Enable SSL/TLS for FTP, pick one of:
1180 CURLFTPSSL_TRY - try using SSL, proceed anyway otherwise
1181 CURLFTPSSL_CONTROL - SSL for the control connection or fail
1182 CURLFTPSSL_ALL - SSL for all communication or fail
1184 CINIT(USE_SSL, LONG, 119),
1186 /* The _LARGE version of the standard POSTFIELDSIZE option */
1187 CINIT(POSTFIELDSIZE_LARGE, OFF_T, 120),
1189 /* Enable/disable the TCP Nagle algorithm */
1190 CINIT(TCP_NODELAY, LONG, 121),
1192 /* 122 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1193 /* 123 OBSOLETE. Gone in 7.16.0 */
1194 /* 124 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1195 /* 125 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1196 /* 126 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1197 /* 127 OBSOLETE. Gone in 7.16.0 */
1198 /* 128 OBSOLETE. Gone in 7.16.0 */
1200 /* When FTP over SSL/TLS is selected (with CURLOPT_USE_SSL), this option
1201 can be used to change libcurl's default action which is to first try
1202 "AUTH SSL" and then "AUTH TLS" in this order, and proceed when a OK
1203 response has been received.
1205 Available parameters are:
1206 CURLFTPAUTH_DEFAULT - let libcurl decide
1207 CURLFTPAUTH_SSL - try "AUTH SSL" first, then TLS
1208 CURLFTPAUTH_TLS - try "AUTH TLS" first, then SSL
1210 CINIT(FTPSSLAUTH, LONG, 129),
1212 CINIT(IOCTLFUNCTION, FUNCTIONPOINT, 130),
1213 CINIT(IOCTLDATA, OBJECTPOINT, 131),
1215 /* 132 OBSOLETE. Gone in 7.16.0 */
1216 /* 133 OBSOLETE. Gone in 7.16.0 */
1218 /* zero terminated string for pass on to the FTP server when asked for
1220 CINIT(FTP_ACCOUNT, OBJECTPOINT, 134),
1222 /* feed cookies into cookie engine */
1223 CINIT(COOKIELIST, OBJECTPOINT, 135),
1225 /* ignore Content-Length */
1226 CINIT(IGNORE_CONTENT_LENGTH, LONG, 136),
1228 /* Set to non-zero to skip the IP address received in a 227 PASV FTP server
1229 response. Typically used for FTP-SSL purposes but is not restricted to
1230 that. libcurl will then instead use the same IP address it used for the
1231 control connection. */
1232 CINIT(FTP_SKIP_PASV_IP, LONG, 137),
1234 /* Select "file method" to use when doing FTP, see the curl_ftpmethod
1236 CINIT(FTP_FILEMETHOD, LONG, 138),
1238 /* Local port number to bind the socket to */
1239 CINIT(LOCALPORT, LONG, 139),
1241 /* Number of ports to try, including the first one set with LOCALPORT.
1242 Thus, setting it to 1 will make no additional attempts but the first.
1244 CINIT(LOCALPORTRANGE, LONG, 140),
1246 /* no transfer, set up connection and let application use the socket by
1247 extracting it with CURLINFO_LASTSOCKET */
1248 CINIT(CONNECT_ONLY, LONG, 141),
1250 /* Function that will be called to convert from the
1251 network encoding (instead of using the iconv calls in libcurl) */
1252 CINIT(CONV_FROM_NETWORK_FUNCTION, FUNCTIONPOINT, 142),
1254 /* Function that will be called to convert to the
1255 network encoding (instead of using the iconv calls in libcurl) */
1256 CINIT(CONV_TO_NETWORK_FUNCTION, FUNCTIONPOINT, 143),
1258 /* Function that will be called to convert from UTF8
1259 (instead of using the iconv calls in libcurl)
1260 Note that this is used only for SSL certificate processing */
1261 CINIT(CONV_FROM_UTF8_FUNCTION, FUNCTIONPOINT, 144),
1263 /* if the connection proceeds too quickly then need to slow it down */
1264 /* limit-rate: maximum number of bytes per second to send or receive */
1265 CINIT(MAX_SEND_SPEED_LARGE, OFF_T, 145),
1266 CINIT(MAX_RECV_SPEED_LARGE, OFF_T, 146),
1268 /* Pointer to command string to send if USER/PASS fails. */
1269 CINIT(FTP_ALTERNATIVE_TO_USER, OBJECTPOINT, 147),
1271 /* callback function for setting socket options */
1272 CINIT(SOCKOPTFUNCTION, FUNCTIONPOINT, 148),
1273 CINIT(SOCKOPTDATA, OBJECTPOINT, 149),
1275 /* set to 0 to disable session ID re-use for this transfer, default is
1277 CINIT(SSL_SESSIONID_CACHE, LONG, 150),
1279 /* allowed SSH authentication methods */
1280 CINIT(SSH_AUTH_TYPES, LONG, 151),
1282 /* Used by scp/sftp to do public/private key authentication */
1283 CINIT(SSH_PUBLIC_KEYFILE, OBJECTPOINT, 152),
1284 CINIT(SSH_PRIVATE_KEYFILE, OBJECTPOINT, 153),
1286 /* Send CCC (Clear Command Channel) after authentication */
1287 CINIT(FTP_SSL_CCC, LONG, 154),
1289 /* Same as TIMEOUT and CONNECTTIMEOUT, but with ms resolution */
1290 CINIT(TIMEOUT_MS, LONG, 155),
1291 CINIT(CONNECTTIMEOUT_MS, LONG, 156),
1293 /* set to zero to disable the libcurl's decoding and thus pass the raw body
1294 data to the application even when it is encoded/compressed */
1295 CINIT(HTTP_TRANSFER_DECODING, LONG, 157),
1296 CINIT(HTTP_CONTENT_DECODING, LONG, 158),
1298 /* Permission used when creating new files and directories on the remote
1299 server for protocols that support it, SFTP/SCP/FILE */
1300 CINIT(NEW_FILE_PERMS, LONG, 159),
1301 CINIT(NEW_DIRECTORY_PERMS, LONG, 160),
1303 /* Set the behaviour of POST when redirecting. Values must be set to one
1304 of CURL_REDIR* defines below. This used to be called CURLOPT_POST301 */
1305 CINIT(POSTREDIR, LONG, 161),
1307 /* used by scp/sftp to verify the host's public key */
1308 CINIT(SSH_HOST_PUBLIC_KEY_MD5, OBJECTPOINT, 162),
1310 /* Callback function for opening socket (instead of socket(2)). Optionally,
1311 callback is able change the address or refuse to connect returning
1312 CURL_SOCKET_BAD. The callback should have type
1313 curl_opensocket_callback */
1314 CINIT(OPENSOCKETFUNCTION, FUNCTIONPOINT, 163),
1315 CINIT(OPENSOCKETDATA, OBJECTPOINT, 164),
1317 /* POST volatile input fields. */
1318 CINIT(COPYPOSTFIELDS, OBJECTPOINT, 165),
1320 /* set transfer mode (;type=<a|i>) when doing FTP via an HTTP proxy */
1321 CINIT(PROXY_TRANSFER_MODE, LONG, 166),
1323 /* Callback function for seeking in the input stream */
1324 CINIT(SEEKFUNCTION, FUNCTIONPOINT, 167),
1325 CINIT(SEEKDATA, OBJECTPOINT, 168),
1328 CINIT(CRLFILE, OBJECTPOINT, 169),
1330 /* Issuer certificate */
1331 CINIT(ISSUERCERT, OBJECTPOINT, 170),
1333 /* (IPv6) Address scope */
1334 CINIT(ADDRESS_SCOPE, LONG, 171),
1336 /* Collect certificate chain info and allow it to get retrievable with
1337 CURLINFO_CERTINFO after the transfer is complete. (Unfortunately) only
1338 working with OpenSSL-powered builds. */
1339 CINIT(CERTINFO, LONG, 172),
1341 /* "name" and "pwd" to use when fetching. */
1342 CINIT(USERNAME, OBJECTPOINT, 173),
1343 CINIT(PASSWORD, OBJECTPOINT, 174),
1345 /* "name" and "pwd" to use with Proxy when fetching. */
1346 CINIT(PROXYUSERNAME, OBJECTPOINT, 175),
1347 CINIT(PROXYPASSWORD, OBJECTPOINT, 176),
1349 /* Comma separated list of hostnames defining no-proxy zones. These should
1350 match both hostnames directly, and hostnames within a domain. For
1351 example, local.com will match local.com and www.local.com, but NOT
1352 notlocal.com or www.notlocal.com. For compatibility with other
1353 implementations of this, .local.com will be considered to be the same as
1354 local.com. A single * is the only valid wildcard, and effectively
1355 disables the use of proxy. */
1356 CINIT(NOPROXY, OBJECTPOINT, 177),
1358 /* block size for TFTP transfers */
1359 CINIT(TFTP_BLKSIZE, LONG, 178),
1362 CINIT(SOCKS5_GSSAPI_SERVICE, OBJECTPOINT, 179),
1365 CINIT(SOCKS5_GSSAPI_NEC, LONG, 180),
1367 /* set the bitmask for the protocols that are allowed to be used for the
1368 transfer, which thus helps the app which takes URLs from users or other
1369 external inputs and want to restrict what protocol(s) to deal
1370 with. Defaults to CURLPROTO_ALL. */
1371 CINIT(PROTOCOLS, LONG, 181),
1373 /* set the bitmask for the protocols that libcurl is allowed to follow to,
1374 as a subset of the CURLOPT_PROTOCOLS ones. That means the protocol needs
1375 to be set in both bitmasks to be allowed to get redirected to. Defaults
1376 to all protocols except FILE and SCP. */
1377 CINIT(REDIR_PROTOCOLS, LONG, 182),
1379 /* set the SSH knownhost file name to use */
1380 CINIT(SSH_KNOWNHOSTS, OBJECTPOINT, 183),
1382 /* set the SSH host key callback, must point to a curl_sshkeycallback
1384 CINIT(SSH_KEYFUNCTION, FUNCTIONPOINT, 184),
1386 /* set the SSH host key callback custom pointer */
1387 CINIT(SSH_KEYDATA, OBJECTPOINT, 185),
1389 /* set the SMTP mail originator */
1390 CINIT(MAIL_FROM, OBJECTPOINT, 186),
1392 /* set the SMTP mail receiver(s) */
1393 CINIT(MAIL_RCPT, OBJECTPOINT, 187),
1395 /* FTP: send PRET before PASV */
1396 CINIT(FTP_USE_PRET, LONG, 188),
1398 /* RTSP request method (OPTIONS, SETUP, PLAY, etc...) */
1399 CINIT(RTSP_REQUEST, LONG, 189),
1401 /* The RTSP session identifier */
1402 CINIT(RTSP_SESSION_ID, OBJECTPOINT, 190),
1404 /* The RTSP stream URI */
1405 CINIT(RTSP_STREAM_URI, OBJECTPOINT, 191),
1407 /* The Transport: header to use in RTSP requests */
1408 CINIT(RTSP_TRANSPORT, OBJECTPOINT, 192),
1410 /* Manually initialize the client RTSP CSeq for this handle */
1411 CINIT(RTSP_CLIENT_CSEQ, LONG, 193),
1413 /* Manually initialize the server RTSP CSeq for this handle */
1414 CINIT(RTSP_SERVER_CSEQ, LONG, 194),
1416 /* The stream to pass to INTERLEAVEFUNCTION. */
1417 CINIT(INTERLEAVEDATA, OBJECTPOINT, 195),
1419 /* Let the application define a custom write method for RTP data */
1420 CINIT(INTERLEAVEFUNCTION, FUNCTIONPOINT, 196),
1422 /* Turn on wildcard matching */
1423 CINIT(WILDCARDMATCH, LONG, 197),
1425 /* Directory matching callback called before downloading of an
1426 individual file (chunk) started */
1427 CINIT(CHUNK_BGN_FUNCTION, FUNCTIONPOINT, 198),
1429 /* Directory matching callback called after the file (chunk)
1430 was downloaded, or skipped */
1431 CINIT(CHUNK_END_FUNCTION, FUNCTIONPOINT, 199),
1433 /* Change match (fnmatch-like) callback for wildcard matching */
1434 CINIT(FNMATCH_FUNCTION, FUNCTIONPOINT, 200),
1436 /* Let the application define custom chunk data pointer */
1437 CINIT(CHUNK_DATA, OBJECTPOINT, 201),
1439 /* FNMATCH_FUNCTION user pointer */
1440 CINIT(FNMATCH_DATA, OBJECTPOINT, 202),
1442 /* send linked-list of name:port:address sets */
1443 CINIT(RESOLVE, OBJECTPOINT, 203),
1445 CURLOPT_LASTENTRY /* the last unused */
1448 #ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
1449 the obsolete stuff removed! */
1451 /* Backwards compatibility with older names */
1452 /* These are scheduled to disappear by 2011 */
1454 /* This was added in version 7.19.1 */
1455 #define CURLOPT_POST301 CURLOPT_POSTREDIR
1457 /* These are scheduled to disappear by 2009 */
1459 /* The following were added in 7.17.0 */
1460 #define CURLOPT_SSLKEYPASSWD CURLOPT_KEYPASSWD
1461 #define CURLOPT_FTPAPPEND CURLOPT_APPEND
1462 #define CURLOPT_FTPLISTONLY CURLOPT_DIRLISTONLY
1463 #define CURLOPT_FTP_SSL CURLOPT_USE_SSL
1465 /* The following were added earlier */
1467 #define CURLOPT_SSLCERTPASSWD CURLOPT_KEYPASSWD
1468 #define CURLOPT_KRB4LEVEL CURLOPT_KRBLEVEL
1471 /* This is set if CURL_NO_OLDIES is defined at compile-time */
1472 #undef CURLOPT_DNS_USE_GLOBAL_CACHE /* soon obsolete */
1476 /* Below here follows defines for the CURLOPT_IPRESOLVE option. If a host
1477 name resolves addresses using more than one IP protocol version, this
1478 option might be handy to force libcurl to use a specific IP version. */
1479 #define CURL_IPRESOLVE_WHATEVER 0 /* default, resolves addresses to all IP
1480 versions that your system allows */
1481 #define CURL_IPRESOLVE_V4 1 /* resolve to ipv4 addresses */
1482 #define CURL_IPRESOLVE_V6 2 /* resolve to ipv6 addresses */
1484 /* three convenient "aliases" that follow the name scheme better */
1485 #define CURLOPT_WRITEDATA CURLOPT_FILE
1486 #define CURLOPT_READDATA CURLOPT_INFILE
1487 #define CURLOPT_HEADERDATA CURLOPT_WRITEHEADER
1488 #define CURLOPT_RTSPHEADER CURLOPT_HTTPHEADER
1490 /* These enums are for use with the CURLOPT_HTTP_VERSION option. */
1492 CURL_HTTP_VERSION_NONE, /* setting this means we don't care, and that we'd
1493 like the library to choose the best possible
1495 CURL_HTTP_VERSION_1_0, /* please use HTTP 1.0 in the request */
1496 CURL_HTTP_VERSION_1_1, /* please use HTTP 1.1 in the request */
1498 CURL_HTTP_VERSION_LAST /* *ILLEGAL* http version */
1502 * Public API enums for RTSP requests
1505 CURL_RTSPREQ_NONE, /* first in list */
1506 CURL_RTSPREQ_OPTIONS,
1507 CURL_RTSPREQ_DESCRIBE,
1508 CURL_RTSPREQ_ANNOUNCE,
1512 CURL_RTSPREQ_TEARDOWN,
1513 CURL_RTSPREQ_GET_PARAMETER,
1514 CURL_RTSPREQ_SET_PARAMETER,
1515 CURL_RTSPREQ_RECORD,
1516 CURL_RTSPREQ_RECEIVE,
1517 CURL_RTSPREQ_LAST /* last in list */
1520 /* These enums are for use with the CURLOPT_NETRC option. */
1521 enum CURL_NETRC_OPTION {
1522 CURL_NETRC_IGNORED, /* The .netrc will never be read.
1523 * This is the default. */
1524 CURL_NETRC_OPTIONAL, /* A user:password in the URL will be preferred
1525 * to one in the .netrc. */
1526 CURL_NETRC_REQUIRED, /* A user:password in the URL will be ignored.
1527 * Unless one is set programmatically, the .netrc
1528 * will be queried. */
1533 CURL_SSLVERSION_DEFAULT,
1534 CURL_SSLVERSION_TLSv1,
1535 CURL_SSLVERSION_SSLv2,
1536 CURL_SSLVERSION_SSLv3,
1538 CURL_SSLVERSION_LAST /* never use, keep last */
1541 /* symbols to use with CURLOPT_POSTREDIR.
1542 CURL_REDIR_POST_301 and CURL_REDIR_POST_302 can be bitwise ORed so that
1543 CURL_REDIR_POST_301 | CURL_REDIR_POST_302 == CURL_REDIR_POST_ALL */
1545 #define CURL_REDIR_GET_ALL 0
1546 #define CURL_REDIR_POST_301 1
1547 #define CURL_REDIR_POST_302 2
1548 #define CURL_REDIR_POST_ALL (CURL_REDIR_POST_301|CURL_REDIR_POST_302)
1553 CURL_TIMECOND_IFMODSINCE,
1554 CURL_TIMECOND_IFUNMODSINCE,
1555 CURL_TIMECOND_LASTMOD,
1561 /* curl_strequal() and curl_strnequal() are subject for removal in a future
1562 libcurl, see lib/README.curlx for details */
1563 CURL_EXTERN int (curl_strequal)(const char *s1, const char *s2);
1564 CURL_EXTERN int (curl_strnequal)(const char *s1, const char *s2, size_t n);
1566 /* name is uppercase CURLFORM_<name> */
1572 #define CFINIT(name) CURLFORM_ ## name
1574 /* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
1575 #define CFINIT(name) CURLFORM_/**/name
1579 CFINIT(NOTHING), /********* the first one is unused ************/
1585 CFINIT(COPYCONTENTS),
1586 CFINIT(PTRCONTENTS),
1587 CFINIT(CONTENTSLENGTH),
1588 CFINIT(FILECONTENT),
1595 CFINIT(BUFFERLENGTH),
1597 CFINIT(CONTENTTYPE),
1598 CFINIT(CONTENTHEADER),
1605 CURLFORM_LASTENTRY /* the last unused */
1608 #undef CFINIT /* done */
1610 /* structure to be used as parameter for CURLFORM_ARRAY */
1612 CURLformoption option;
1616 /* use this for multipart formpost building */
1617 /* Returns code for curl_formadd()
1620 * CURL_FORMADD_OK on success
1621 * CURL_FORMADD_MEMORY if the FormInfo allocation fails
1622 * CURL_FORMADD_OPTION_TWICE if one option is given twice for one Form
1623 * CURL_FORMADD_NULL if a null pointer was given for a char
1624 * CURL_FORMADD_MEMORY if the allocation of a FormInfo struct failed
1625 * CURL_FORMADD_UNKNOWN_OPTION if an unknown option was used
1626 * CURL_FORMADD_INCOMPLETE if the some FormInfo is not complete (or error)
1627 * CURL_FORMADD_MEMORY if a curl_httppost struct cannot be allocated
1628 * CURL_FORMADD_MEMORY if some allocation for string copying failed.
1629 * CURL_FORMADD_ILLEGAL_ARRAY if an illegal option is used in an array
1631 ***************************************************************************/
1633 CURL_FORMADD_OK, /* first, no error */
1635 CURL_FORMADD_MEMORY,
1636 CURL_FORMADD_OPTION_TWICE,
1638 CURL_FORMADD_UNKNOWN_OPTION,
1639 CURL_FORMADD_INCOMPLETE,
1640 CURL_FORMADD_ILLEGAL_ARRAY,
1641 CURL_FORMADD_DISABLED, /* libcurl was built with this disabled */
1643 CURL_FORMADD_LAST /* last */
1647 * NAME curl_formadd()
1651 * Pretty advanced function for building multi-part formposts. Each invoke
1652 * adds one part that together construct a full post. Then use
1653 * CURLOPT_HTTPPOST to send it off to libcurl.
1655 CURL_EXTERN CURLFORMcode curl_formadd(struct curl_httppost **httppost,
1656 struct curl_httppost **last_post,
1660 * callback function for curl_formget()
1661 * The void *arg pointer will be the one passed as second argument to
1663 * The character buffer passed to it must not be freed.
1664 * Should return the buffer length passed to it as the argument "len" on
1667 typedef size_t (*curl_formget_callback)(void *arg, const char *buf, size_t len);
1670 * NAME curl_formget()
1674 * Serialize a curl_httppost struct built with curl_formadd().
1675 * Accepts a void pointer as second argument which will be passed to
1676 * the curl_formget_callback function.
1677 * Returns 0 on success.
1679 CURL_EXTERN int curl_formget(struct curl_httppost *form, void *arg,
1680 curl_formget_callback append);
1682 * NAME curl_formfree()
1686 * Free a multipart formpost previously built with curl_formadd().
1688 CURL_EXTERN void curl_formfree(struct curl_httppost *form);
1691 * NAME curl_getenv()
1695 * Returns a malloc()'ed string that MUST be curl_free()ed after usage is
1696 * complete. DEPRECATED - see lib/README.curlx
1698 CURL_EXTERN char *curl_getenv(const char *variable);
1701 * NAME curl_version()
1705 * Returns a static ascii string of the libcurl version.
1707 CURL_EXTERN char *curl_version(void);
1710 * NAME curl_easy_escape()
1714 * Escapes URL strings (converts all letters consider illegal in URLs to their
1715 * %XX versions). This function returns a new allocated string or NULL if an
1718 CURL_EXTERN char *curl_easy_escape(CURL *handle,
1722 /* the previous version: */
1723 CURL_EXTERN char *curl_escape(const char *string,
1728 * NAME curl_easy_unescape()
1732 * Unescapes URL encoding in strings (converts all %XX codes to their 8bit
1733 * versions). This function returns a new allocated string or NULL if an error
1735 * Conversion Note: On non-ASCII platforms the ASCII %XX codes are
1736 * converted into the host encoding.
1738 CURL_EXTERN char *curl_easy_unescape(CURL *handle,
1743 /* the previous version */
1744 CURL_EXTERN char *curl_unescape(const char *string,
1752 * Provided for de-allocation in the same translation unit that did the
1753 * allocation. Added in libcurl 7.10
1755 CURL_EXTERN void curl_free(void *p);
1758 * NAME curl_global_init()
1762 * curl_global_init() should be invoked exactly once for each application that
1763 * uses libcurl and before any call of other libcurl functions.
1765 * This function is not thread-safe!
1767 CURL_EXTERN CURLcode curl_global_init(long flags);
1770 * NAME curl_global_init_mem()
1774 * curl_global_init() or curl_global_init_mem() should be invoked exactly once
1775 * for each application that uses libcurl. This function can be used to
1776 * initialize libcurl and set user defined memory management callback
1777 * functions. Users can implement memory management routines to check for
1778 * memory leaks, check for mis-use of the curl library etc. User registered
1779 * callback routines with be invoked by this library instead of the system
1780 * memory management routines like malloc, free etc.
1782 CURL_EXTERN CURLcode curl_global_init_mem(long flags,
1783 curl_malloc_callback m,
1784 curl_free_callback f,
1785 curl_realloc_callback r,
1786 curl_strdup_callback s,
1787 curl_calloc_callback c);
1790 * NAME curl_global_cleanup()
1794 * curl_global_cleanup() should be invoked exactly once for each application
1797 CURL_EXTERN void curl_global_cleanup(void);
1799 /* linked-list structure for the CURLOPT_QUOTE option (and other) */
1802 struct curl_slist *next;
1806 * NAME curl_slist_append()
1810 * Appends a string to a linked list. If no list exists, it will be created
1811 * first. Returns the new list, after appending.
1813 CURL_EXTERN struct curl_slist *curl_slist_append(struct curl_slist *,
1817 * NAME curl_slist_free_all()
1821 * free a previously built curl_slist.
1823 CURL_EXTERN void curl_slist_free_all(struct curl_slist *);
1826 * NAME curl_getdate()
1830 * Returns the time, in seconds since 1 Jan 1970 of the time string given in
1831 * the first argument. The time argument in the second parameter is unused
1832 * and should be set to NULL.
1834 CURL_EXTERN time_t curl_getdate(const char *p, const time_t *unused);
1836 /* info about the certificate chain, only for OpenSSL builds. Asked
1837 for with CURLOPT_CERTINFO / CURLINFO_CERTINFO */
1838 struct curl_certinfo {
1839 int num_of_certs; /* number of certificates with information */
1840 struct curl_slist **certinfo; /* for each index in this array, there's a
1841 linked list with textual information in the
1842 format "name: value" */
1845 #define CURLINFO_STRING 0x100000
1846 #define CURLINFO_LONG 0x200000
1847 #define CURLINFO_DOUBLE 0x300000
1848 #define CURLINFO_SLIST 0x400000
1849 #define CURLINFO_MASK 0x0fffff
1850 #define CURLINFO_TYPEMASK 0xf00000
1853 CURLINFO_NONE, /* first, never use this */
1854 CURLINFO_EFFECTIVE_URL = CURLINFO_STRING + 1,
1855 CURLINFO_RESPONSE_CODE = CURLINFO_LONG + 2,
1856 CURLINFO_TOTAL_TIME = CURLINFO_DOUBLE + 3,
1857 CURLINFO_NAMELOOKUP_TIME = CURLINFO_DOUBLE + 4,
1858 CURLINFO_CONNECT_TIME = CURLINFO_DOUBLE + 5,
1859 CURLINFO_PRETRANSFER_TIME = CURLINFO_DOUBLE + 6,
1860 CURLINFO_SIZE_UPLOAD = CURLINFO_DOUBLE + 7,
1861 CURLINFO_SIZE_DOWNLOAD = CURLINFO_DOUBLE + 8,
1862 CURLINFO_SPEED_DOWNLOAD = CURLINFO_DOUBLE + 9,
1863 CURLINFO_SPEED_UPLOAD = CURLINFO_DOUBLE + 10,
1864 CURLINFO_HEADER_SIZE = CURLINFO_LONG + 11,
1865 CURLINFO_REQUEST_SIZE = CURLINFO_LONG + 12,
1866 CURLINFO_SSL_VERIFYRESULT = CURLINFO_LONG + 13,
1867 CURLINFO_FILETIME = CURLINFO_LONG + 14,
1868 CURLINFO_CONTENT_LENGTH_DOWNLOAD = CURLINFO_DOUBLE + 15,
1869 CURLINFO_CONTENT_LENGTH_UPLOAD = CURLINFO_DOUBLE + 16,
1870 CURLINFO_STARTTRANSFER_TIME = CURLINFO_DOUBLE + 17,
1871 CURLINFO_CONTENT_TYPE = CURLINFO_STRING + 18,
1872 CURLINFO_REDIRECT_TIME = CURLINFO_DOUBLE + 19,
1873 CURLINFO_REDIRECT_COUNT = CURLINFO_LONG + 20,
1874 CURLINFO_PRIVATE = CURLINFO_STRING + 21,
1875 CURLINFO_HTTP_CONNECTCODE = CURLINFO_LONG + 22,
1876 CURLINFO_HTTPAUTH_AVAIL = CURLINFO_LONG + 23,
1877 CURLINFO_PROXYAUTH_AVAIL = CURLINFO_LONG + 24,
1878 CURLINFO_OS_ERRNO = CURLINFO_LONG + 25,
1879 CURLINFO_NUM_CONNECTS = CURLINFO_LONG + 26,
1880 CURLINFO_SSL_ENGINES = CURLINFO_SLIST + 27,
1881 CURLINFO_COOKIELIST = CURLINFO_SLIST + 28,
1882 CURLINFO_LASTSOCKET = CURLINFO_LONG + 29,
1883 CURLINFO_FTP_ENTRY_PATH = CURLINFO_STRING + 30,
1884 CURLINFO_REDIRECT_URL = CURLINFO_STRING + 31,
1885 CURLINFO_PRIMARY_IP = CURLINFO_STRING + 32,
1886 CURLINFO_APPCONNECT_TIME = CURLINFO_DOUBLE + 33,
1887 CURLINFO_CERTINFO = CURLINFO_SLIST + 34,
1888 CURLINFO_CONDITION_UNMET = CURLINFO_LONG + 35,
1889 CURLINFO_RTSP_SESSION_ID = CURLINFO_STRING + 36,
1890 CURLINFO_RTSP_CLIENT_CSEQ = CURLINFO_LONG + 37,
1891 CURLINFO_RTSP_SERVER_CSEQ = CURLINFO_LONG + 38,
1892 CURLINFO_RTSP_CSEQ_RECV = CURLINFO_LONG + 39,
1893 CURLINFO_PRIMARY_PORT = CURLINFO_LONG + 40,
1894 CURLINFO_LOCAL_IP = CURLINFO_STRING + 41,
1895 CURLINFO_LOCAL_PORT = CURLINFO_LONG + 42,
1896 /* Fill in new entries below here! */
1898 CURLINFO_LASTONE = 42
1901 /* CURLINFO_RESPONSE_CODE is the new name for the option previously known as
1902 CURLINFO_HTTP_CODE */
1903 #define CURLINFO_HTTP_CODE CURLINFO_RESPONSE_CODE
1906 CURLCLOSEPOLICY_NONE, /* first, never use this */
1908 CURLCLOSEPOLICY_OLDEST,
1909 CURLCLOSEPOLICY_LEAST_RECENTLY_USED,
1910 CURLCLOSEPOLICY_LEAST_TRAFFIC,
1911 CURLCLOSEPOLICY_SLOWEST,
1912 CURLCLOSEPOLICY_CALLBACK,
1914 CURLCLOSEPOLICY_LAST /* last, never use this */
1917 #define CURL_GLOBAL_SSL (1<<0)
1918 #define CURL_GLOBAL_WIN32 (1<<1)
1919 #define CURL_GLOBAL_ALL (CURL_GLOBAL_SSL|CURL_GLOBAL_WIN32)
1920 #define CURL_GLOBAL_NOTHING 0
1921 #define CURL_GLOBAL_DEFAULT CURL_GLOBAL_ALL
1924 /*****************************************************************************
1925 * Setup defines, protos etc for the sharing stuff.
1928 /* Different data locks for a single share */
1930 CURL_LOCK_DATA_NONE = 0,
1931 /* CURL_LOCK_DATA_SHARE is used internally to say that
1932 * the locking is just made to change the internal state of the share
1935 CURL_LOCK_DATA_SHARE,
1936 CURL_LOCK_DATA_COOKIE,
1938 CURL_LOCK_DATA_SSL_SESSION,
1939 CURL_LOCK_DATA_CONNECT,
1943 /* Different lock access types */
1945 CURL_LOCK_ACCESS_NONE = 0, /* unspecified action */
1946 CURL_LOCK_ACCESS_SHARED = 1, /* for read perhaps */
1947 CURL_LOCK_ACCESS_SINGLE = 2, /* for write perhaps */
1948 CURL_LOCK_ACCESS_LAST /* never use */
1951 typedef void (*curl_lock_function)(CURL *handle,
1952 curl_lock_data data,
1953 curl_lock_access locktype,
1955 typedef void (*curl_unlock_function)(CURL *handle,
1956 curl_lock_data data,
1959 typedef void CURLSH;
1962 CURLSHE_OK, /* all is fine */
1963 CURLSHE_BAD_OPTION, /* 1 */
1964 CURLSHE_IN_USE, /* 2 */
1965 CURLSHE_INVALID, /* 3 */
1966 CURLSHE_NOMEM, /* out of memory */
1967 CURLSHE_LAST /* never use */
1971 CURLSHOPT_NONE, /* don't use */
1972 CURLSHOPT_SHARE, /* specify a data type to share */
1973 CURLSHOPT_UNSHARE, /* specify which data type to stop sharing */
1974 CURLSHOPT_LOCKFUNC, /* pass in a 'curl_lock_function' pointer */
1975 CURLSHOPT_UNLOCKFUNC, /* pass in a 'curl_unlock_function' pointer */
1976 CURLSHOPT_USERDATA, /* pass in a user data pointer used in the lock/unlock
1977 callback functions */
1978 CURLSHOPT_LAST /* never use */
1981 CURL_EXTERN CURLSH *curl_share_init(void);
1982 CURL_EXTERN CURLSHcode curl_share_setopt(CURLSH *, CURLSHoption option, ...);
1983 CURL_EXTERN CURLSHcode curl_share_cleanup(CURLSH *);
1985 /****************************************************************************
1986 * Structures for querying information about the curl library at runtime.
1994 CURLVERSION_LAST /* never actually use this */
1997 /* The 'CURLVERSION_NOW' is the symbolic name meant to be used by
1998 basically all programs ever that want to get version information. It is
1999 meant to be a built-in version number for what kind of struct the caller
2000 expects. If the struct ever changes, we redefine the NOW to another enum
2002 #define CURLVERSION_NOW CURLVERSION_FOURTH
2005 CURLversion age; /* age of the returned struct */
2006 const char *version; /* LIBCURL_VERSION */
2007 unsigned int version_num; /* LIBCURL_VERSION_NUM */
2008 const char *host; /* OS/host/cpu/machine when configured */
2009 int features; /* bitmask, see defines below */
2010 const char *ssl_version; /* human readable string */
2011 long ssl_version_num; /* not used anymore, always 0 */
2012 const char *libz_version; /* human readable string */
2013 /* protocols is terminated by an entry with a NULL protoname */
2014 const char * const *protocols;
2016 /* The fields below this were added in CURLVERSION_SECOND */
2020 /* This field was added in CURLVERSION_THIRD */
2023 /* These field were added in CURLVERSION_FOURTH */
2025 /* Same as '_libiconv_version' if built with HAVE_ICONV */
2028 const char *libssh_version; /* human readable string */
2030 } curl_version_info_data;
2032 #define CURL_VERSION_IPV6 (1<<0) /* IPv6-enabled */
2033 #define CURL_VERSION_KERBEROS4 (1<<1) /* kerberos auth is supported */
2034 #define CURL_VERSION_SSL (1<<2) /* SSL options are present */
2035 #define CURL_VERSION_LIBZ (1<<3) /* libz features are present */
2036 #define CURL_VERSION_NTLM (1<<4) /* NTLM auth is supported */
2037 #define CURL_VERSION_GSSNEGOTIATE (1<<5) /* Negotiate auth support */
2038 #define CURL_VERSION_DEBUG (1<<6) /* built with debug capabilities */
2039 #define CURL_VERSION_ASYNCHDNS (1<<7) /* asynchronous dns resolves */
2040 #define CURL_VERSION_SPNEGO (1<<8) /* SPNEGO auth */
2041 #define CURL_VERSION_LARGEFILE (1<<9) /* supports files bigger than 2GB */
2042 #define CURL_VERSION_IDN (1<<10) /* International Domain Names support */
2043 #define CURL_VERSION_SSPI (1<<11) /* SSPI is supported */
2044 #define CURL_VERSION_CONV (1<<12) /* character conversions supported */
2045 #define CURL_VERSION_CURLDEBUG (1<<13) /* debug memory tracking supported */
2048 * NAME curl_version_info()
2052 * This function returns a pointer to a static copy of the version info
2053 * struct. See above.
2055 CURL_EXTERN curl_version_info_data *curl_version_info(CURLversion);
2058 * NAME curl_easy_strerror()
2062 * The curl_easy_strerror function may be used to turn a CURLcode value
2063 * into the equivalent human readable error string. This is useful
2064 * for printing meaningful error messages.
2066 CURL_EXTERN const char *curl_easy_strerror(CURLcode);
2069 * NAME curl_share_strerror()
2073 * The curl_share_strerror function may be used to turn a CURLSHcode value
2074 * into the equivalent human readable error string. This is useful
2075 * for printing meaningful error messages.
2077 CURL_EXTERN const char *curl_share_strerror(CURLSHcode);
2080 * NAME curl_easy_pause()
2084 * The curl_easy_pause function pauses or unpauses transfers. Select the new
2085 * state by setting the bitmask, use the convenience defines below.
2088 CURL_EXTERN CURLcode curl_easy_pause(CURL *handle, int bitmask);
2090 #define CURLPAUSE_RECV (1<<0)
2091 #define CURLPAUSE_RECV_CONT (0)
2093 #define CURLPAUSE_SEND (1<<2)
2094 #define CURLPAUSE_SEND_CONT (0)
2096 #define CURLPAUSE_ALL (CURLPAUSE_RECV|CURLPAUSE_SEND)
2097 #define CURLPAUSE_CONT (CURLPAUSE_RECV_CONT|CURLPAUSE_SEND_CONT)
2103 /* unfortunately, the easy.h and multi.h include files need options and info
2104 stuff before they can be included! */
2105 #include "easy.h" /* nothing in curl is fun without the easy stuff */
2108 /* the typechecker doesn't work in C++ (yet) */
2109 #if defined(__GNUC__) && defined(__GNUC_MINOR__) && \
2110 ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && \
2111 !defined(__cplusplus) && !defined(CURL_DISABLE_TYPECHECK)
2112 #include "typecheck-gcc.h"
2114 #if defined(__STDC__) && (__STDC__ >= 1)
2115 /* This preprocessor magic that replaces a call with the exact same call is
2116 only done to make sure application authors pass exactly three arguments
2117 to these functions. */
2118 #define curl_easy_setopt(handle,opt,param) curl_easy_setopt(handle,opt,param)
2119 #define curl_easy_getinfo(handle,info,arg) curl_easy_getinfo(handle,info,arg)
2120 #define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
2121 #define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
2122 #endif /* __STDC__ >= 1 */
2123 #endif /* gcc >= 4.3 && !__cplusplus */
2125 #endif /* __CURL_CURL_H */