3 /***************************************************************************
5 * Project ___| | | | _ \| |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
10 * Copyright (C) 1998 - 2018, 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 https://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 * https://curl.haxx.se/libcurl/
29 * curl-library mailing list subscription and unsubscription web interface:
30 * https://cool.haxx.se/mailman/listinfo/curl-library/
37 #include "curlver.h" /* libcurl version defines */
38 #include "system.h" /* determine things run-time */
41 * Define WIN32 when build target is Win32 API
44 #if (defined(_WIN32) || defined(__WIN32__)) && \
45 !defined(WIN32) && !defined(__SYMBIAN32__)
52 #if defined(__FreeBSD__) && (__FreeBSD__ >= 2)
53 /* Needed for __FreeBSD_version symbol definition */
54 #include <osreldate.h>
57 /* The include stuff here below is mainly for time_t! */
58 #include <sys/types.h>
61 #if defined(WIN32) && !defined(_WIN32_WCE) && !defined(__CYGWIN__)
62 #if !(defined(_WINSOCKAPI_) || defined(_WINSOCK_H) || \
63 defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H))
64 /* The check above prevents the winsock2 inclusion if winsock.h already was
65 included, since they can't co-exist without problems */
71 /* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
72 libc5-based Linux systems. Only include it on systems that are known to
74 #if defined(_AIX) || defined(__NOVELL_LIBC__) || defined(__NetBSD__) || \
75 defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY) || \
76 defined(ANDROID) || defined(__ANDROID__) || defined(__OpenBSD__) || \
77 defined(__CYGWIN__) || \
78 (defined(__FreeBSD_version) && (__FreeBSD_version < 800000))
79 #include <sys/select.h>
82 #if !defined(WIN32) && !defined(_WIN32_WCE)
83 #include <sys/socket.h>
86 #if !defined(WIN32) && !defined(__WATCOMC__) && !defined(__VXWORKS__)
91 #include <support/SupportDefs.h>
98 #if defined(BUILDING_LIBCURL) || defined(CURL_STRICTER)
99 typedef struct Curl_easy CURL;
100 typedef struct Curl_share CURLSH;
107 * libcurl external API function linkage decorations.
110 #ifdef CURL_STATICLIB
112 #elif defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__)
113 # if defined(BUILDING_LIBCURL)
114 # define CURL_EXTERN __declspec(dllexport)
116 # define CURL_EXTERN __declspec(dllimport)
118 #elif defined(BUILDING_LIBCURL) && defined(CURL_HIDDEN_SYMBOLS)
119 # define CURL_EXTERN CURL_EXTERN_SYMBOL
124 #ifndef curl_socket_typedef
126 #if defined(WIN32) && !defined(__LWIP_OPT_H__) && !defined(LWIP_HDR_OPT_H)
127 typedef SOCKET curl_socket_t;
128 #define CURL_SOCKET_BAD INVALID_SOCKET
130 typedef int curl_socket_t;
131 #define CURL_SOCKET_BAD -1
133 #define curl_socket_typedef
134 #endif /* curl_socket_typedef */
136 /* enum for the different supported SSL backends */
138 CURLSSLBACKEND_NONE = 0,
139 CURLSSLBACKEND_OPENSSL = 1,
140 CURLSSLBACKEND_GNUTLS = 2,
141 CURLSSLBACKEND_NSS = 3,
142 CURLSSLBACKEND_OBSOLETE4 = 4, /* Was QSOSSL. */
143 CURLSSLBACKEND_GSKIT = 5,
144 CURLSSLBACKEND_POLARSSL = 6,
145 CURLSSLBACKEND_WOLFSSL = 7,
146 CURLSSLBACKEND_SCHANNEL = 8,
147 CURLSSLBACKEND_DARWINSSL = 9,
148 CURLSSLBACKEND_AXTLS = 10,
149 CURLSSLBACKEND_MBEDTLS = 11
152 /* aliases for library clones and renames */
153 #define CURLSSLBACKEND_LIBRESSL CURLSSLBACKEND_OPENSSL
154 #define CURLSSLBACKEND_BORINGSSL CURLSSLBACKEND_OPENSSL
155 #define CURLSSLBACKEND_CYASSL CURLSSLBACKEND_WOLFSSL
157 struct curl_httppost {
158 struct curl_httppost *next; /* next entry in the list */
159 char *name; /* pointer to allocated name */
160 long namelength; /* length of name length */
161 char *contents; /* pointer to allocated data contents */
162 long contentslength; /* length of contents field, see also
163 CURL_HTTPPOST_LARGE */
164 char *buffer; /* pointer to allocated buffer contents */
165 long bufferlength; /* length of buffer field */
166 char *contenttype; /* Content-Type */
167 struct curl_slist *contentheader; /* list of extra headers for this form */
168 struct curl_httppost *more; /* if one field name has more than one
169 file, this link should link to following
171 long flags; /* as defined below */
173 /* specified content is a file name */
174 #define CURL_HTTPPOST_FILENAME (1<<0)
175 /* specified content is a file name */
176 #define CURL_HTTPPOST_READFILE (1<<1)
177 /* name is only stored pointer do not free in formfree */
178 #define CURL_HTTPPOST_PTRNAME (1<<2)
179 /* contents is only stored pointer do not free in formfree */
180 #define CURL_HTTPPOST_PTRCONTENTS (1<<3)
181 /* upload file from buffer */
182 #define CURL_HTTPPOST_BUFFER (1<<4)
183 /* upload file from pointer contents */
184 #define CURL_HTTPPOST_PTRBUFFER (1<<5)
185 /* upload file contents by using the regular read callback to get the data and
186 pass the given pointer as custom pointer */
187 #define CURL_HTTPPOST_CALLBACK (1<<6)
188 /* use size in 'contentlen', added in 7.46.0 */
189 #define CURL_HTTPPOST_LARGE (1<<7)
191 char *showfilename; /* The file name to show. If not set, the
192 actual file name will be used (if this
194 void *userp; /* custom pointer used for
195 HTTPPOST_CALLBACK posts */
196 curl_off_t contentlen; /* alternative length of contents
197 field. Used if CURL_HTTPPOST_LARGE is
198 set. Added in 7.46.0 */
201 /* This is the CURLOPT_PROGRESSFUNCTION callback proto. It is now considered
202 deprecated but was the only choice up until 7.31.0 */
203 typedef int (*curl_progress_callback)(void *clientp,
209 /* This is the CURLOPT_XFERINFOFUNCTION callback proto. It was introduced in
210 7.32.0, it avoids floating point and provides more detailed information. */
211 typedef int (*curl_xferinfo_callback)(void *clientp,
217 #ifndef CURL_MAX_READ_SIZE
218 /* The maximum receive buffer size configurable via CURLOPT_BUFFERSIZE. */
219 #define CURL_MAX_READ_SIZE 524288
222 #ifndef CURL_MAX_WRITE_SIZE
223 /* Tests have proven that 20K is a very bad buffer size for uploads on
224 Windows, while 16K for some odd reason performed a lot better.
225 We do the ifndef check to allow this value to easier be changed at build
226 time for those who feel adventurous. The practical minimum is about
227 400 bytes since libcurl uses a buffer of this size as a scratch area
228 (unrelated to network send operations). */
229 #define CURL_MAX_WRITE_SIZE 16384
232 #ifndef CURL_MAX_HTTP_HEADER
233 /* The only reason to have a max limit for this is to avoid the risk of a bad
234 server feeding libcurl with a never-ending header that will cause reallocs
236 #define CURL_MAX_HTTP_HEADER (100*1024)
239 /* This is a magic return code for the write callback that, when returned,
240 will signal libcurl to pause receiving on the current transfer. */
241 #define CURL_WRITEFUNC_PAUSE 0x10000001
243 typedef size_t (*curl_write_callback)(char *buffer,
248 /* This callback will be called when a new resolver request is made */
249 typedef int (*curl_resolver_start_callback)(void *resolver_state,
250 void *reserved, void *userdata);
252 /* enumeration of file types */
254 CURLFILETYPE_FILE = 0,
255 CURLFILETYPE_DIRECTORY,
256 CURLFILETYPE_SYMLINK,
257 CURLFILETYPE_DEVICE_BLOCK,
258 CURLFILETYPE_DEVICE_CHAR,
259 CURLFILETYPE_NAMEDPIPE,
261 CURLFILETYPE_DOOR, /* is possible only on Sun Solaris now */
263 CURLFILETYPE_UNKNOWN /* should never occur */
266 #define CURLFINFOFLAG_KNOWN_FILENAME (1<<0)
267 #define CURLFINFOFLAG_KNOWN_FILETYPE (1<<1)
268 #define CURLFINFOFLAG_KNOWN_TIME (1<<2)
269 #define CURLFINFOFLAG_KNOWN_PERM (1<<3)
270 #define CURLFINFOFLAG_KNOWN_UID (1<<4)
271 #define CURLFINFOFLAG_KNOWN_GID (1<<5)
272 #define CURLFINFOFLAG_KNOWN_SIZE (1<<6)
273 #define CURLFINFOFLAG_KNOWN_HLINKCOUNT (1<<7)
275 /* Content of this structure depends on information which is known and is
276 achievable (e.g. by FTP LIST parsing). Please see the url_easy_setopt(3) man
277 page for callbacks returning this structure -- some fields are mandatory,
278 some others are optional. The FLAG field has special meaning. */
279 struct curl_fileinfo {
281 curlfiletype filetype;
290 /* If some of these fields is not NULL, it is a pointer to b_data. */
295 char *target; /* pointer to the target filename of a symlink */
300 /* used internally */
306 /* return codes for CURLOPT_CHUNK_BGN_FUNCTION */
307 #define CURL_CHUNK_BGN_FUNC_OK 0
308 #define CURL_CHUNK_BGN_FUNC_FAIL 1 /* tell the lib to end the task */
309 #define CURL_CHUNK_BGN_FUNC_SKIP 2 /* skip this chunk over */
311 /* if splitting of data transfer is enabled, this callback is called before
312 download of an individual chunk started. Note that parameter "remains" works
313 only for FTP wildcard downloading (for now), otherwise is not used */
314 typedef long (*curl_chunk_bgn_callback)(const void *transfer_info,
318 /* return codes for CURLOPT_CHUNK_END_FUNCTION */
319 #define CURL_CHUNK_END_FUNC_OK 0
320 #define CURL_CHUNK_END_FUNC_FAIL 1 /* tell the lib to end the task */
322 /* If splitting of data transfer is enabled this callback is called after
323 download of an individual chunk finished.
324 Note! After this callback was set then it have to be called FOR ALL chunks.
325 Even if downloading of this chunk was skipped in CHUNK_BGN_FUNC.
326 This is the reason why we don't need "transfer_info" parameter in this
327 callback and we are not interested in "remains" parameter too. */
328 typedef long (*curl_chunk_end_callback)(void *ptr);
330 /* return codes for FNMATCHFUNCTION */
331 #define CURL_FNMATCHFUNC_MATCH 0 /* string corresponds to the pattern */
332 #define CURL_FNMATCHFUNC_NOMATCH 1 /* pattern doesn't match the string */
333 #define CURL_FNMATCHFUNC_FAIL 2 /* an error occurred */
335 /* callback type for wildcard downloading pattern matching. If the
336 string matches the pattern, return CURL_FNMATCHFUNC_MATCH value, etc. */
337 typedef int (*curl_fnmatch_callback)(void *ptr,
341 /* These are the return codes for the seek callbacks */
342 #define CURL_SEEKFUNC_OK 0
343 #define CURL_SEEKFUNC_FAIL 1 /* fail the entire transfer */
344 #define CURL_SEEKFUNC_CANTSEEK 2 /* tell libcurl seeking can't be done, so
345 libcurl might try other means instead */
346 typedef int (*curl_seek_callback)(void *instream,
348 int origin); /* 'whence' */
350 /* This is a return code for the read callback that, when returned, will
351 signal libcurl to immediately abort the current transfer. */
352 #define CURL_READFUNC_ABORT 0x10000000
353 /* This is a return code for the read callback that, when returned, will
354 signal libcurl to pause sending data on the current transfer. */
355 #define CURL_READFUNC_PAUSE 0x10000001
357 typedef size_t (*curl_read_callback)(char *buffer,
363 CURLSOCKTYPE_IPCXN, /* socket created for a specific IP connection */
364 CURLSOCKTYPE_ACCEPT, /* socket created by accept() call */
365 CURLSOCKTYPE_LAST /* never use */
368 /* The return code from the sockopt_callback can signal information back
370 #define CURL_SOCKOPT_OK 0
371 #define CURL_SOCKOPT_ERROR 1 /* causes libcurl to abort and return
372 CURLE_ABORTED_BY_CALLBACK */
373 #define CURL_SOCKOPT_ALREADY_CONNECTED 2
375 typedef int (*curl_sockopt_callback)(void *clientp,
376 curl_socket_t curlfd,
377 curlsocktype purpose);
379 struct curl_sockaddr {
383 unsigned int addrlen; /* addrlen was a socklen_t type before 7.18.0 but it
384 turned really ugly and painful on the systems that
386 struct sockaddr addr;
389 typedef curl_socket_t
390 (*curl_opensocket_callback)(void *clientp,
391 curlsocktype purpose,
392 struct curl_sockaddr *address);
395 (*curl_closesocket_callback)(void *clientp, curl_socket_t item);
398 CURLIOE_OK, /* I/O operation successful */
399 CURLIOE_UNKNOWNCMD, /* command was unknown to callback */
400 CURLIOE_FAILRESTART, /* failed to restart the read */
401 CURLIOE_LAST /* never use */
405 CURLIOCMD_NOP, /* no operation */
406 CURLIOCMD_RESTARTREAD, /* restart the read stream from start */
407 CURLIOCMD_LAST /* never use */
410 typedef curlioerr (*curl_ioctl_callback)(CURL *handle,
414 #ifndef CURL_DID_MEMORY_FUNC_TYPEDEFS
416 * The following typedef's are signatures of malloc, free, realloc, strdup and
417 * calloc respectively. Function pointers of these types can be passed to the
418 * curl_global_init_mem() function to set user defined memory management
421 typedef void *(*curl_malloc_callback)(size_t size);
422 typedef void (*curl_free_callback)(void *ptr);
423 typedef void *(*curl_realloc_callback)(void *ptr, size_t size);
424 typedef char *(*curl_strdup_callback)(const char *str);
425 typedef void *(*curl_calloc_callback)(size_t nmemb, size_t size);
427 #define CURL_DID_MEMORY_FUNC_TYPEDEFS
430 /* the kind of data that is passed to information_callback*/
433 CURLINFO_HEADER_IN, /* 1 */
434 CURLINFO_HEADER_OUT, /* 2 */
435 CURLINFO_DATA_IN, /* 3 */
436 CURLINFO_DATA_OUT, /* 4 */
437 CURLINFO_SSL_DATA_IN, /* 5 */
438 CURLINFO_SSL_DATA_OUT, /* 6 */
442 typedef int (*curl_debug_callback)
443 (CURL *handle, /* the handle/transfer this concerns */
444 curl_infotype type, /* what kind of data */
445 char *data, /* points to the data */
446 size_t size, /* size of the data pointed to */
447 void *userptr); /* whatever the user please */
449 /* All possible error codes from all sorts of curl functions. Future versions
450 may return other values, stay prepared.
452 Always add new return codes last. Never *EVER* remove any. The return
453 codes must remain the same!
458 CURLE_UNSUPPORTED_PROTOCOL, /* 1 */
459 CURLE_FAILED_INIT, /* 2 */
460 CURLE_URL_MALFORMAT, /* 3 */
461 CURLE_NOT_BUILT_IN, /* 4 - [was obsoleted in August 2007 for
462 7.17.0, reused in April 2011 for 7.21.5] */
463 CURLE_COULDNT_RESOLVE_PROXY, /* 5 */
464 CURLE_COULDNT_RESOLVE_HOST, /* 6 */
465 CURLE_COULDNT_CONNECT, /* 7 */
466 CURLE_WEIRD_SERVER_REPLY, /* 8 */
467 CURLE_REMOTE_ACCESS_DENIED, /* 9 a service was denied by the server
468 due to lack of access - when login fails
469 this is not returned. */
470 CURLE_FTP_ACCEPT_FAILED, /* 10 - [was obsoleted in April 2006 for
471 7.15.4, reused in Dec 2011 for 7.24.0]*/
472 CURLE_FTP_WEIRD_PASS_REPLY, /* 11 */
473 CURLE_FTP_ACCEPT_TIMEOUT, /* 12 - timeout occurred accepting server
474 [was obsoleted in August 2007 for 7.17.0,
475 reused in Dec 2011 for 7.24.0]*/
476 CURLE_FTP_WEIRD_PASV_REPLY, /* 13 */
477 CURLE_FTP_WEIRD_227_FORMAT, /* 14 */
478 CURLE_FTP_CANT_GET_HOST, /* 15 */
479 CURLE_HTTP2, /* 16 - A problem in the http2 framing layer.
480 [was obsoleted in August 2007 for 7.17.0,
481 reused in July 2014 for 7.38.0] */
482 CURLE_FTP_COULDNT_SET_TYPE, /* 17 */
483 CURLE_PARTIAL_FILE, /* 18 */
484 CURLE_FTP_COULDNT_RETR_FILE, /* 19 */
485 CURLE_OBSOLETE20, /* 20 - NOT USED */
486 CURLE_QUOTE_ERROR, /* 21 - quote command failure */
487 CURLE_HTTP_RETURNED_ERROR, /* 22 */
488 CURLE_WRITE_ERROR, /* 23 */
489 CURLE_OBSOLETE24, /* 24 - NOT USED */
490 CURLE_UPLOAD_FAILED, /* 25 - failed upload "command" */
491 CURLE_READ_ERROR, /* 26 - couldn't open/read from file */
492 CURLE_OUT_OF_MEMORY, /* 27 */
493 /* Note: CURLE_OUT_OF_MEMORY may sometimes indicate a conversion error
494 instead of a memory allocation error if CURL_DOES_CONVERSIONS
497 CURLE_OPERATION_TIMEDOUT, /* 28 - the timeout time was reached */
498 CURLE_OBSOLETE29, /* 29 - NOT USED */
499 CURLE_FTP_PORT_FAILED, /* 30 - FTP PORT operation failed */
500 CURLE_FTP_COULDNT_USE_REST, /* 31 - the REST command failed */
501 CURLE_OBSOLETE32, /* 32 - NOT USED */
502 CURLE_RANGE_ERROR, /* 33 - RANGE "command" didn't work */
503 CURLE_HTTP_POST_ERROR, /* 34 */
504 CURLE_SSL_CONNECT_ERROR, /* 35 - wrong when connecting with SSL */
505 CURLE_BAD_DOWNLOAD_RESUME, /* 36 - couldn't resume download */
506 CURLE_FILE_COULDNT_READ_FILE, /* 37 */
507 CURLE_LDAP_CANNOT_BIND, /* 38 */
508 CURLE_LDAP_SEARCH_FAILED, /* 39 */
509 CURLE_OBSOLETE40, /* 40 - NOT USED */
510 CURLE_FUNCTION_NOT_FOUND, /* 41 - NOT USED starting with 7.53.0 */
511 CURLE_ABORTED_BY_CALLBACK, /* 42 */
512 CURLE_BAD_FUNCTION_ARGUMENT, /* 43 */
513 CURLE_OBSOLETE44, /* 44 - NOT USED */
514 CURLE_INTERFACE_FAILED, /* 45 - CURLOPT_INTERFACE failed */
515 CURLE_OBSOLETE46, /* 46 - NOT USED */
516 CURLE_TOO_MANY_REDIRECTS, /* 47 - catch endless re-direct loops */
517 CURLE_UNKNOWN_OPTION, /* 48 - User specified an unknown option */
518 CURLE_TELNET_OPTION_SYNTAX, /* 49 - Malformed telnet option */
519 CURLE_OBSOLETE50, /* 50 - NOT USED */
520 CURLE_PEER_FAILED_VERIFICATION, /* 51 - peer's certificate or fingerprint
521 wasn't verified fine */
522 CURLE_GOT_NOTHING, /* 52 - when this is a specific error */
523 CURLE_SSL_ENGINE_NOTFOUND, /* 53 - SSL crypto engine not found */
524 CURLE_SSL_ENGINE_SETFAILED, /* 54 - can not set SSL crypto engine as
526 CURLE_SEND_ERROR, /* 55 - failed sending network data */
527 CURLE_RECV_ERROR, /* 56 - failure in receiving network data */
528 CURLE_OBSOLETE57, /* 57 - NOT IN USE */
529 CURLE_SSL_CERTPROBLEM, /* 58 - problem with the local certificate */
530 CURLE_SSL_CIPHER, /* 59 - couldn't use specified cipher */
531 CURLE_SSL_CACERT, /* 60 - problem with the CA cert (path?) */
532 CURLE_BAD_CONTENT_ENCODING, /* 61 - Unrecognized/bad encoding */
533 CURLE_LDAP_INVALID_URL, /* 62 - Invalid LDAP URL */
534 CURLE_FILESIZE_EXCEEDED, /* 63 - Maximum file size exceeded */
535 CURLE_USE_SSL_FAILED, /* 64 - Requested FTP SSL level failed */
536 CURLE_SEND_FAIL_REWIND, /* 65 - Sending the data requires a rewind
538 CURLE_SSL_ENGINE_INITFAILED, /* 66 - failed to initialise ENGINE */
539 CURLE_LOGIN_DENIED, /* 67 - user, password or similar was not
540 accepted and we failed to login */
541 CURLE_TFTP_NOTFOUND, /* 68 - file not found on server */
542 CURLE_TFTP_PERM, /* 69 - permission problem on server */
543 CURLE_REMOTE_DISK_FULL, /* 70 - out of disk space on server */
544 CURLE_TFTP_ILLEGAL, /* 71 - Illegal TFTP operation */
545 CURLE_TFTP_UNKNOWNID, /* 72 - Unknown transfer ID */
546 CURLE_REMOTE_FILE_EXISTS, /* 73 - File already exists */
547 CURLE_TFTP_NOSUCHUSER, /* 74 - No such user */
548 CURLE_CONV_FAILED, /* 75 - conversion failed */
549 CURLE_CONV_REQD, /* 76 - caller must register conversion
550 callbacks using curl_easy_setopt options
551 CURLOPT_CONV_FROM_NETWORK_FUNCTION,
552 CURLOPT_CONV_TO_NETWORK_FUNCTION, and
553 CURLOPT_CONV_FROM_UTF8_FUNCTION */
554 CURLE_SSL_CACERT_BADFILE, /* 77 - could not load CACERT file, missing
556 CURLE_REMOTE_FILE_NOT_FOUND, /* 78 - remote file not found */
557 CURLE_SSH, /* 79 - error from the SSH layer, somewhat
558 generic so the error message will be of
559 interest when this has happened */
561 CURLE_SSL_SHUTDOWN_FAILED, /* 80 - Failed to shut down the SSL
563 CURLE_AGAIN, /* 81 - socket is not ready for send/recv,
564 wait till it's ready and try again (Added
566 CURLE_SSL_CRL_BADFILE, /* 82 - could not load CRL file, missing or
567 wrong format (Added in 7.19.0) */
568 CURLE_SSL_ISSUER_ERROR, /* 83 - Issuer check failed. (Added in
570 CURLE_FTP_PRET_FAILED, /* 84 - a PRET command failed */
571 CURLE_RTSP_CSEQ_ERROR, /* 85 - mismatch of RTSP CSeq numbers */
572 CURLE_RTSP_SESSION_ERROR, /* 86 - mismatch of RTSP Session Ids */
573 CURLE_FTP_BAD_FILE_LIST, /* 87 - unable to parse FTP file list */
574 CURLE_CHUNK_FAILED, /* 88 - chunk callback reported error */
575 CURLE_NO_CONNECTION_AVAILABLE, /* 89 - No connection available, the
576 session will be queued */
577 CURLE_SSL_PINNEDPUBKEYNOTMATCH, /* 90 - specified pinned public key did not
579 CURLE_SSL_INVALIDCERTSTATUS, /* 91 - invalid certificate status */
580 CURLE_HTTP2_STREAM, /* 92 - stream error in HTTP/2 framing layer
582 CURLE_RECURSIVE_API_CALL, /* 93 - an api function was called from
584 CURL_LAST /* never use! */
587 #ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
588 the obsolete stuff removed! */
590 /* Previously obsolete error code re-used in 7.38.0 */
591 #define CURLE_OBSOLETE16 CURLE_HTTP2
593 /* Previously obsolete error codes re-used in 7.24.0 */
594 #define CURLE_OBSOLETE10 CURLE_FTP_ACCEPT_FAILED
595 #define CURLE_OBSOLETE12 CURLE_FTP_ACCEPT_TIMEOUT
597 /* compatibility with older names */
598 #define CURLOPT_ENCODING CURLOPT_ACCEPT_ENCODING
599 #define CURLE_FTP_WEIRD_SERVER_REPLY CURLE_WEIRD_SERVER_REPLY
601 /* The following were added in 7.21.5, April 2011 */
602 #define CURLE_UNKNOWN_TELNET_OPTION CURLE_UNKNOWN_OPTION
604 /* The following were added in 7.17.1 */
605 /* These are scheduled to disappear by 2009 */
606 #define CURLE_SSL_PEER_CERTIFICATE CURLE_PEER_FAILED_VERIFICATION
608 /* The following were added in 7.17.0 */
609 /* These are scheduled to disappear by 2009 */
610 #define CURLE_OBSOLETE CURLE_OBSOLETE50 /* no one should be using this! */
611 #define CURLE_BAD_PASSWORD_ENTERED CURLE_OBSOLETE46
612 #define CURLE_BAD_CALLING_ORDER CURLE_OBSOLETE44
613 #define CURLE_FTP_USER_PASSWORD_INCORRECT CURLE_OBSOLETE10
614 #define CURLE_FTP_CANT_RECONNECT CURLE_OBSOLETE16
615 #define CURLE_FTP_COULDNT_GET_SIZE CURLE_OBSOLETE32
616 #define CURLE_FTP_COULDNT_SET_ASCII CURLE_OBSOLETE29
617 #define CURLE_FTP_WEIRD_USER_REPLY CURLE_OBSOLETE12
618 #define CURLE_FTP_WRITE_ERROR CURLE_OBSOLETE20
619 #define CURLE_LIBRARY_NOT_FOUND CURLE_OBSOLETE40
620 #define CURLE_MALFORMAT_USER CURLE_OBSOLETE24
621 #define CURLE_SHARE_IN_USE CURLE_OBSOLETE57
622 #define CURLE_URL_MALFORMAT_USER CURLE_NOT_BUILT_IN
624 #define CURLE_FTP_ACCESS_DENIED CURLE_REMOTE_ACCESS_DENIED
625 #define CURLE_FTP_COULDNT_SET_BINARY CURLE_FTP_COULDNT_SET_TYPE
626 #define CURLE_FTP_QUOTE_ERROR CURLE_QUOTE_ERROR
627 #define CURLE_TFTP_DISKFULL CURLE_REMOTE_DISK_FULL
628 #define CURLE_TFTP_EXISTS CURLE_REMOTE_FILE_EXISTS
629 #define CURLE_HTTP_RANGE_ERROR CURLE_RANGE_ERROR
630 #define CURLE_FTP_SSL_FAILED CURLE_USE_SSL_FAILED
632 /* The following were added earlier */
634 #define CURLE_OPERATION_TIMEOUTED CURLE_OPERATION_TIMEDOUT
636 #define CURLE_HTTP_NOT_FOUND CURLE_HTTP_RETURNED_ERROR
637 #define CURLE_HTTP_PORT_FAILED CURLE_INTERFACE_FAILED
638 #define CURLE_FTP_COULDNT_STOR_FILE CURLE_UPLOAD_FAILED
640 #define CURLE_FTP_PARTIAL_FILE CURLE_PARTIAL_FILE
641 #define CURLE_FTP_BAD_DOWNLOAD_RESUME CURLE_BAD_DOWNLOAD_RESUME
643 /* This was the error code 50 in 7.7.3 and a few earlier versions, this
644 is no longer used by libcurl but is instead #defined here only to not
645 make programs break */
646 #define CURLE_ALREADY_COMPLETE 99999
648 /* Provide defines for really old option names */
649 #define CURLOPT_FILE CURLOPT_WRITEDATA /* name changed in 7.9.7 */
650 #define CURLOPT_INFILE CURLOPT_READDATA /* name changed in 7.9.7 */
651 #define CURLOPT_WRITEHEADER CURLOPT_HEADERDATA
653 /* Since long deprecated options with no code in the lib that does anything
655 #define CURLOPT_WRITEINFO CURLOPT_OBSOLETE40
656 #define CURLOPT_CLOSEPOLICY CURLOPT_OBSOLETE72
658 #endif /*!CURL_NO_OLDIES*/
660 /* This prototype applies to all conversion callbacks */
661 typedef CURLcode (*curl_conv_callback)(char *buffer, size_t length);
663 typedef CURLcode (*curl_ssl_ctx_callback)(CURL *curl, /* easy handle */
664 void *ssl_ctx, /* actually an
669 CURLPROXY_HTTP = 0, /* added in 7.10, new in 7.19.4 default is to use
671 CURLPROXY_HTTP_1_0 = 1, /* added in 7.19.4, force to use CONNECT
673 CURLPROXY_HTTPS = 2, /* added in 7.52.0 */
674 CURLPROXY_SOCKS4 = 4, /* support added in 7.15.2, enum existed already
676 CURLPROXY_SOCKS5 = 5, /* added in 7.10 */
677 CURLPROXY_SOCKS4A = 6, /* added in 7.18.0 */
678 CURLPROXY_SOCKS5_HOSTNAME = 7 /* Use the SOCKS5 protocol but pass along the
679 host name rather than the IP address. added
681 } curl_proxytype; /* this enum was added in 7.10 */
684 * Bitmasks for CURLOPT_HTTPAUTH and CURLOPT_PROXYAUTH options:
686 * CURLAUTH_NONE - No HTTP authentication
687 * CURLAUTH_BASIC - HTTP Basic authentication (default)
688 * CURLAUTH_DIGEST - HTTP Digest authentication
689 * CURLAUTH_NEGOTIATE - HTTP Negotiate (SPNEGO) authentication
690 * CURLAUTH_GSSNEGOTIATE - Alias for CURLAUTH_NEGOTIATE (deprecated)
691 * CURLAUTH_NTLM - HTTP NTLM authentication
692 * CURLAUTH_DIGEST_IE - HTTP Digest authentication with IE flavour
693 * CURLAUTH_NTLM_WB - HTTP NTLM authentication delegated to winbind helper
694 * CURLAUTH_ONLY - Use together with a single other type to force no
695 * authentication or just that single type
696 * CURLAUTH_ANY - All fine types set
697 * CURLAUTH_ANYSAFE - All fine types except Basic
700 #define CURLAUTH_NONE ((unsigned long)0)
701 #define CURLAUTH_BASIC (((unsigned long)1)<<0)
702 #define CURLAUTH_DIGEST (((unsigned long)1)<<1)
703 #define CURLAUTH_NEGOTIATE (((unsigned long)1)<<2)
704 /* Deprecated since the advent of CURLAUTH_NEGOTIATE */
705 #define CURLAUTH_GSSNEGOTIATE CURLAUTH_NEGOTIATE
706 /* Used for CURLOPT_SOCKS5_AUTH to stay terminologically correct */
707 #define CURLAUTH_GSSAPI CURLAUTH_NEGOTIATE
708 #define CURLAUTH_NTLM (((unsigned long)1)<<3)
709 #define CURLAUTH_DIGEST_IE (((unsigned long)1)<<4)
710 #define CURLAUTH_NTLM_WB (((unsigned long)1)<<5)
711 #define CURLAUTH_ONLY (((unsigned long)1)<<31)
712 #define CURLAUTH_ANY (~CURLAUTH_DIGEST_IE)
713 #define CURLAUTH_ANYSAFE (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
715 #define CURLSSH_AUTH_ANY ~0 /* all types supported by the server */
716 #define CURLSSH_AUTH_NONE 0 /* none allowed, silly but complete */
717 #define CURLSSH_AUTH_PUBLICKEY (1<<0) /* public/private key files */
718 #define CURLSSH_AUTH_PASSWORD (1<<1) /* password */
719 #define CURLSSH_AUTH_HOST (1<<2) /* host key files */
720 #define CURLSSH_AUTH_KEYBOARD (1<<3) /* keyboard interactive */
721 #define CURLSSH_AUTH_AGENT (1<<4) /* agent (ssh-agent, pageant...) */
722 #define CURLSSH_AUTH_GSSAPI (1<<5) /* gssapi (kerberos, ...) */
723 #define CURLSSH_AUTH_DEFAULT CURLSSH_AUTH_ANY
725 #define CURLGSSAPI_DELEGATION_NONE 0 /* no delegation (default) */
726 #define CURLGSSAPI_DELEGATION_POLICY_FLAG (1<<0) /* if permitted by policy */
727 #define CURLGSSAPI_DELEGATION_FLAG (1<<1) /* delegate always */
729 #define CURL_ERROR_SIZE 256
741 const char *key; /* points to a zero-terminated string encoded with base64
742 if len is zero, otherwise to the "raw" data */
744 enum curl_khtype keytype;
747 /* this is the set of return values expected from the curl_sshkeycallback
750 CURLKHSTAT_FINE_ADD_TO_FILE,
752 CURLKHSTAT_REJECT, /* reject the connection, return an error */
753 CURLKHSTAT_DEFER, /* do not accept it, but we can't answer right now so
754 this causes a CURLE_DEFER error but otherwise the
755 connection will be left intact etc */
756 CURLKHSTAT_LAST /* not for use, only a marker for last-in-list */
759 /* this is the set of status codes pass in to the callback */
761 CURLKHMATCH_OK, /* match */
762 CURLKHMATCH_MISMATCH, /* host found, key mismatch! */
763 CURLKHMATCH_MISSING, /* no matching host/key found */
764 CURLKHMATCH_LAST /* not for use, only a marker for last-in-list */
768 (*curl_sshkeycallback) (CURL *easy, /* easy handle */
769 const struct curl_khkey *knownkey, /* known */
770 const struct curl_khkey *foundkey, /* found */
771 enum curl_khmatch, /* libcurl's view on the keys */
772 void *clientp); /* custom pointer passed from app */
774 /* parameter for the CURLOPT_USE_SSL option */
776 CURLUSESSL_NONE, /* do not attempt to use SSL */
777 CURLUSESSL_TRY, /* try using SSL, proceed anyway otherwise */
778 CURLUSESSL_CONTROL, /* SSL for the control connection or fail */
779 CURLUSESSL_ALL, /* SSL for all communication or fail */
780 CURLUSESSL_LAST /* not an option, never use */
783 /* Definition of bits for the CURLOPT_SSL_OPTIONS argument: */
785 /* - ALLOW_BEAST tells libcurl to allow the BEAST SSL vulnerability in the
786 name of improving interoperability with older servers. Some SSL libraries
787 have introduced work-arounds for this flaw but those work-arounds sometimes
788 make the SSL communication fail. To regain functionality with those broken
789 servers, a user can this way allow the vulnerability back. */
790 #define CURLSSLOPT_ALLOW_BEAST (1<<0)
792 /* - NO_REVOKE tells libcurl to disable certificate revocation checks for those
793 SSL backends where such behavior is present. */
794 #define CURLSSLOPT_NO_REVOKE (1<<1)
796 /* The default connection attempt delay in milliseconds for happy eyeballs.
797 CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS.3 and happy-eyeballs-timeout-ms.d document
798 this value, keep them in sync. */
799 #define CURL_HET_DEFAULT 200L
801 #ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
802 the obsolete stuff removed! */
804 /* Backwards compatibility with older names */
805 /* These are scheduled to disappear by 2009 */
807 #define CURLFTPSSL_NONE CURLUSESSL_NONE
808 #define CURLFTPSSL_TRY CURLUSESSL_TRY
809 #define CURLFTPSSL_CONTROL CURLUSESSL_CONTROL
810 #define CURLFTPSSL_ALL CURLUSESSL_ALL
811 #define CURLFTPSSL_LAST CURLUSESSL_LAST
812 #define curl_ftpssl curl_usessl
813 #endif /*!CURL_NO_OLDIES*/
815 /* parameter for the CURLOPT_FTP_SSL_CCC option */
817 CURLFTPSSL_CCC_NONE, /* do not send CCC */
818 CURLFTPSSL_CCC_PASSIVE, /* Let the server initiate the shutdown */
819 CURLFTPSSL_CCC_ACTIVE, /* Initiate the shutdown */
820 CURLFTPSSL_CCC_LAST /* not an option, never use */
823 /* parameter for the CURLOPT_FTPSSLAUTH option */
825 CURLFTPAUTH_DEFAULT, /* let libcurl decide */
826 CURLFTPAUTH_SSL, /* use "AUTH SSL" */
827 CURLFTPAUTH_TLS, /* use "AUTH TLS" */
828 CURLFTPAUTH_LAST /* not an option, never use */
831 /* parameter for the CURLOPT_FTP_CREATE_MISSING_DIRS option */
833 CURLFTP_CREATE_DIR_NONE, /* do NOT create missing dirs! */
834 CURLFTP_CREATE_DIR, /* (FTP/SFTP) if CWD fails, try MKD and then CWD
835 again if MKD succeeded, for SFTP this does
837 CURLFTP_CREATE_DIR_RETRY, /* (FTP only) if CWD fails, try MKD and then CWD
838 again even if MKD failed! */
839 CURLFTP_CREATE_DIR_LAST /* not an option, never use */
842 /* parameter for the CURLOPT_FTP_FILEMETHOD option */
844 CURLFTPMETHOD_DEFAULT, /* let libcurl pick */
845 CURLFTPMETHOD_MULTICWD, /* single CWD operation for each path part */
846 CURLFTPMETHOD_NOCWD, /* no CWD at all */
847 CURLFTPMETHOD_SINGLECWD, /* one CWD to full dir, then work on file */
848 CURLFTPMETHOD_LAST /* not an option, never use */
851 /* bitmask defines for CURLOPT_HEADEROPT */
852 #define CURLHEADER_UNIFIED 0
853 #define CURLHEADER_SEPARATE (1<<0)
855 /* CURLPROTO_ defines are for the CURLOPT_*PROTOCOLS options */
856 #define CURLPROTO_HTTP (1<<0)
857 #define CURLPROTO_HTTPS (1<<1)
858 #define CURLPROTO_FTP (1<<2)
859 #define CURLPROTO_FTPS (1<<3)
860 #define CURLPROTO_SCP (1<<4)
861 #define CURLPROTO_SFTP (1<<5)
862 #define CURLPROTO_TELNET (1<<6)
863 #define CURLPROTO_LDAP (1<<7)
864 #define CURLPROTO_LDAPS (1<<8)
865 #define CURLPROTO_DICT (1<<9)
866 #define CURLPROTO_FILE (1<<10)
867 #define CURLPROTO_TFTP (1<<11)
868 #define CURLPROTO_IMAP (1<<12)
869 #define CURLPROTO_IMAPS (1<<13)
870 #define CURLPROTO_POP3 (1<<14)
871 #define CURLPROTO_POP3S (1<<15)
872 #define CURLPROTO_SMTP (1<<16)
873 #define CURLPROTO_SMTPS (1<<17)
874 #define CURLPROTO_RTSP (1<<18)
875 #define CURLPROTO_RTMP (1<<19)
876 #define CURLPROTO_RTMPT (1<<20)
877 #define CURLPROTO_RTMPE (1<<21)
878 #define CURLPROTO_RTMPTE (1<<22)
879 #define CURLPROTO_RTMPS (1<<23)
880 #define CURLPROTO_RTMPTS (1<<24)
881 #define CURLPROTO_GOPHER (1<<25)
882 #define CURLPROTO_SMB (1<<26)
883 #define CURLPROTO_SMBS (1<<27)
884 #define CURLPROTO_ALL (~0) /* enable everything */
886 /* long may be 32 or 64 bits, but we should never depend on anything else
888 #define CURLOPTTYPE_LONG 0
889 #define CURLOPTTYPE_OBJECTPOINT 10000
890 #define CURLOPTTYPE_STRINGPOINT 10000
891 #define CURLOPTTYPE_FUNCTIONPOINT 20000
892 #define CURLOPTTYPE_OFF_T 30000
894 /* *STRINGPOINT is an alias for OBJECTPOINT to allow tools to extract the
895 string options from the header file */
897 /* name is uppercase CURLOPT_<name>,
898 type is one of the defined CURLOPTTYPE_<type>
899 number is unique identifier */
905 #define CINIT(na,t,nu) CURLOPT_ ## na = CURLOPTTYPE_ ## t + nu
907 /* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
908 #define LONG CURLOPTTYPE_LONG
909 #define OBJECTPOINT CURLOPTTYPE_OBJECTPOINT
910 #define STRINGPOINT CURLOPTTYPE_OBJECTPOINT
911 #define FUNCTIONPOINT CURLOPTTYPE_FUNCTIONPOINT
912 #define OFF_T CURLOPTTYPE_OFF_T
913 #define CINIT(name,type,number) CURLOPT_/**/name = type + number
917 * This macro-mania below setups the CURLOPT_[what] enum, to be used with
918 * curl_easy_setopt(). The first argument in the CINIT() macro is the [what]
923 /* This is the FILE * or void * the regular output should be written to. */
924 CINIT(WRITEDATA, OBJECTPOINT, 1),
926 /* The full URL to get/put */
927 CINIT(URL, STRINGPOINT, 2),
929 /* Port number to connect to, if other than default. */
930 CINIT(PORT, LONG, 3),
932 /* Name of proxy to use. */
933 CINIT(PROXY, STRINGPOINT, 4),
935 /* "user:password;options" to use when fetching. */
936 CINIT(USERPWD, STRINGPOINT, 5),
938 /* "user:password" to use with proxy. */
939 CINIT(PROXYUSERPWD, STRINGPOINT, 6),
941 /* Range to get, specified as an ASCII string. */
942 CINIT(RANGE, STRINGPOINT, 7),
946 /* Specified file stream to upload from (use as input): */
947 CINIT(READDATA, OBJECTPOINT, 9),
949 /* Buffer to receive error messages in, must be at least CURL_ERROR_SIZE
951 CINIT(ERRORBUFFER, OBJECTPOINT, 10),
953 /* Function that will be called to store the output (instead of fwrite). The
954 * parameters will use fwrite() syntax, make sure to follow them. */
955 CINIT(WRITEFUNCTION, FUNCTIONPOINT, 11),
957 /* Function that will be called to read the input (instead of fread). The
958 * parameters will use fread() syntax, make sure to follow them. */
959 CINIT(READFUNCTION, FUNCTIONPOINT, 12),
961 /* Time-out the read operation after this amount of seconds */
962 CINIT(TIMEOUT, LONG, 13),
964 /* If the CURLOPT_INFILE is used, this can be used to inform libcurl about
965 * how large the file being sent really is. That allows better error
966 * checking and better verifies that the upload was successful. -1 means
969 * For large file support, there is also a _LARGE version of the key
970 * which takes an off_t type, allowing platforms with larger off_t
971 * sizes to handle larger files. See below for INFILESIZE_LARGE.
973 CINIT(INFILESIZE, LONG, 14),
975 /* POST static input fields. */
976 CINIT(POSTFIELDS, OBJECTPOINT, 15),
978 /* Set the referrer page (needed by some CGIs) */
979 CINIT(REFERER, STRINGPOINT, 16),
981 /* Set the FTP PORT string (interface name, named or numerical IP address)
982 Use i.e '-' to use default address. */
983 CINIT(FTPPORT, STRINGPOINT, 17),
985 /* Set the User-Agent string (examined by some CGIs) */
986 CINIT(USERAGENT, STRINGPOINT, 18),
988 /* If the download receives less than "low speed limit" bytes/second
989 * during "low speed time" seconds, the operations is aborted.
990 * You could i.e if you have a pretty high speed connection, abort if
991 * it is less than 2000 bytes/sec during 20 seconds.
994 /* Set the "low speed limit" */
995 CINIT(LOW_SPEED_LIMIT, LONG, 19),
997 /* Set the "low speed time" */
998 CINIT(LOW_SPEED_TIME, LONG, 20),
1000 /* Set the continuation offset.
1002 * Note there is also a _LARGE version of this key which uses
1003 * off_t types, allowing for large file offsets on platforms which
1004 * use larger-than-32-bit off_t's. Look below for RESUME_FROM_LARGE.
1006 CINIT(RESUME_FROM, LONG, 21),
1008 /* Set cookie in request: */
1009 CINIT(COOKIE, STRINGPOINT, 22),
1011 /* This points to a linked list of headers, struct curl_slist kind. This
1012 list is also used for RTSP (in spite of its name) */
1013 CINIT(HTTPHEADER, OBJECTPOINT, 23),
1015 /* This points to a linked list of post entries, struct curl_httppost */
1016 CINIT(HTTPPOST, OBJECTPOINT, 24),
1018 /* name of the file keeping your private SSL-certificate */
1019 CINIT(SSLCERT, STRINGPOINT, 25),
1021 /* password for the SSL or SSH private key */
1022 CINIT(KEYPASSWD, STRINGPOINT, 26),
1024 /* send TYPE parameter? */
1025 CINIT(CRLF, LONG, 27),
1027 /* send linked-list of QUOTE commands */
1028 CINIT(QUOTE, OBJECTPOINT, 28),
1030 /* send FILE * or void * to store headers to, if you use a callback it
1031 is simply passed to the callback unmodified */
1032 CINIT(HEADERDATA, OBJECTPOINT, 29),
1034 /* point to a file to read the initial cookies from, also enables
1035 "cookie awareness" */
1036 CINIT(COOKIEFILE, STRINGPOINT, 31),
1038 /* What version to specifically try to use.
1039 See CURL_SSLVERSION defines below. */
1040 CINIT(SSLVERSION, LONG, 32),
1042 /* What kind of HTTP time condition to use, see defines */
1043 CINIT(TIMECONDITION, LONG, 33),
1045 /* Time to use with the above condition. Specified in number of seconds
1047 CINIT(TIMEVALUE, LONG, 34),
1051 /* Custom request, for customizing the get command like
1052 HTTP: DELETE, TRACE and others
1053 FTP: to use a different list command
1055 CINIT(CUSTOMREQUEST, STRINGPOINT, 36),
1057 /* FILE handle to use instead of stderr */
1058 CINIT(STDERR, OBJECTPOINT, 37),
1060 /* 38 is not used */
1062 /* send linked-list of post-transfer QUOTE commands */
1063 CINIT(POSTQUOTE, OBJECTPOINT, 39),
1065 CINIT(OBSOLETE40, OBJECTPOINT, 40), /* OBSOLETE, do not use! */
1067 CINIT(VERBOSE, LONG, 41), /* talk a lot */
1068 CINIT(HEADER, LONG, 42), /* throw the header out too */
1069 CINIT(NOPROGRESS, LONG, 43), /* shut off the progress meter */
1070 CINIT(NOBODY, LONG, 44), /* use HEAD to get http document */
1071 CINIT(FAILONERROR, LONG, 45), /* no output on http error codes >= 400 */
1072 CINIT(UPLOAD, LONG, 46), /* this is an upload */
1073 CINIT(POST, LONG, 47), /* HTTP POST method */
1074 CINIT(DIRLISTONLY, LONG, 48), /* bare names when listing directories */
1076 CINIT(APPEND, LONG, 50), /* Append instead of overwrite on upload! */
1078 /* Specify whether to read the user+password from the .netrc or the URL.
1079 * This must be one of the CURL_NETRC_* enums below. */
1080 CINIT(NETRC, LONG, 51),
1082 CINIT(FOLLOWLOCATION, LONG, 52), /* use Location: Luke! */
1084 CINIT(TRANSFERTEXT, LONG, 53), /* transfer data in text/ASCII format */
1085 CINIT(PUT, LONG, 54), /* HTTP PUT */
1090 * Function that will be called instead of the internal progress display
1091 * function. This function should be defined as the curl_progress_callback
1092 * prototype defines. */
1093 CINIT(PROGRESSFUNCTION, FUNCTIONPOINT, 56),
1095 /* Data passed to the CURLOPT_PROGRESSFUNCTION and CURLOPT_XFERINFOFUNCTION
1097 CINIT(PROGRESSDATA, OBJECTPOINT, 57),
1098 #define CURLOPT_XFERINFODATA CURLOPT_PROGRESSDATA
1100 /* We want the referrer field set automatically when following locations */
1101 CINIT(AUTOREFERER, LONG, 58),
1103 /* Port of the proxy, can be set in the proxy string as well with:
1105 CINIT(PROXYPORT, LONG, 59),
1107 /* size of the POST input data, if strlen() is not good to use */
1108 CINIT(POSTFIELDSIZE, LONG, 60),
1110 /* tunnel non-http operations through a HTTP proxy */
1111 CINIT(HTTPPROXYTUNNEL, LONG, 61),
1113 /* Set the interface string to use as outgoing network interface */
1114 CINIT(INTERFACE, STRINGPOINT, 62),
1116 /* Set the krb4/5 security level, this also enables krb4/5 awareness. This
1117 * is a string, 'clear', 'safe', 'confidential' or 'private'. If the string
1118 * is set but doesn't match one of these, 'private' will be used. */
1119 CINIT(KRBLEVEL, STRINGPOINT, 63),
1121 /* Set if we should verify the peer in ssl handshake, set 1 to verify. */
1122 CINIT(SSL_VERIFYPEER, LONG, 64),
1124 /* The CApath or CAfile used to validate the peer certificate
1125 this option is used only if SSL_VERIFYPEER is true */
1126 CINIT(CAINFO, STRINGPOINT, 65),
1131 /* Maximum number of http redirects to follow */
1132 CINIT(MAXREDIRS, LONG, 68),
1134 /* Pass a long set to 1 to get the date of the requested document (if
1135 possible)! Pass a zero to shut it off. */
1136 CINIT(FILETIME, LONG, 69),
1138 /* This points to a linked list of telnet options */
1139 CINIT(TELNETOPTIONS, OBJECTPOINT, 70),
1141 /* Max amount of cached alive connections */
1142 CINIT(MAXCONNECTS, LONG, 71),
1144 CINIT(OBSOLETE72, LONG, 72), /* OBSOLETE, do not use! */
1148 /* Set to explicitly use a new connection for the upcoming transfer.
1149 Do not use this unless you're absolutely sure of this, as it makes the
1150 operation slower and is less friendly for the network. */
1151 CINIT(FRESH_CONNECT, LONG, 74),
1153 /* Set to explicitly forbid the upcoming transfer's connection to be re-used
1154 when done. Do not use this unless you're absolutely sure of this, as it
1155 makes the operation slower and is less friendly for the network. */
1156 CINIT(FORBID_REUSE, LONG, 75),
1158 /* Set to a file name that contains random data for libcurl to use to
1159 seed the random engine when doing SSL connects. */
1160 CINIT(RANDOM_FILE, STRINGPOINT, 76),
1162 /* Set to the Entropy Gathering Daemon socket pathname */
1163 CINIT(EGDSOCKET, STRINGPOINT, 77),
1165 /* Time-out connect operations after this amount of seconds, if connects are
1166 OK within this time, then fine... This only aborts the connect phase. */
1167 CINIT(CONNECTTIMEOUT, LONG, 78),
1169 /* Function that will be called to store headers (instead of fwrite). The
1170 * parameters will use fwrite() syntax, make sure to follow them. */
1171 CINIT(HEADERFUNCTION, FUNCTIONPOINT, 79),
1173 /* Set this to force the HTTP request to get back to GET. Only really usable
1174 if POST, PUT or a custom request have been used first.
1176 CINIT(HTTPGET, LONG, 80),
1178 /* Set if we should verify the Common name from the peer certificate in ssl
1179 * handshake, set 1 to check existence, 2 to ensure that it matches the
1180 * provided hostname. */
1181 CINIT(SSL_VERIFYHOST, LONG, 81),
1183 /* Specify which file name to write all known cookies in after completed
1184 operation. Set file name to "-" (dash) to make it go to stdout. */
1185 CINIT(COOKIEJAR, STRINGPOINT, 82),
1187 /* Specify which SSL ciphers to use */
1188 CINIT(SSL_CIPHER_LIST, STRINGPOINT, 83),
1190 /* Specify which HTTP version to use! This must be set to one of the
1191 CURL_HTTP_VERSION* enums set below. */
1192 CINIT(HTTP_VERSION, LONG, 84),
1194 /* Specifically switch on or off the FTP engine's use of the EPSV command. By
1195 default, that one will always be attempted before the more traditional
1197 CINIT(FTP_USE_EPSV, LONG, 85),
1199 /* type of the file keeping your SSL-certificate ("DER", "PEM", "ENG") */
1200 CINIT(SSLCERTTYPE, STRINGPOINT, 86),
1202 /* name of the file keeping your private SSL-key */
1203 CINIT(SSLKEY, STRINGPOINT, 87),
1205 /* type of the file keeping your private SSL-key ("DER", "PEM", "ENG") */
1206 CINIT(SSLKEYTYPE, STRINGPOINT, 88),
1208 /* crypto engine for the SSL-sub system */
1209 CINIT(SSLENGINE, STRINGPOINT, 89),
1211 /* set the crypto engine for the SSL-sub system as default
1212 the param has no meaning...
1214 CINIT(SSLENGINE_DEFAULT, LONG, 90),
1216 /* Non-zero value means to use the global dns cache */
1217 CINIT(DNS_USE_GLOBAL_CACHE, LONG, 91), /* DEPRECATED, do not use! */
1219 /* DNS cache timeout */
1220 CINIT(DNS_CACHE_TIMEOUT, LONG, 92),
1222 /* send linked-list of pre-transfer QUOTE commands */
1223 CINIT(PREQUOTE, OBJECTPOINT, 93),
1225 /* set the debug function */
1226 CINIT(DEBUGFUNCTION, FUNCTIONPOINT, 94),
1228 /* set the data for the debug function */
1229 CINIT(DEBUGDATA, OBJECTPOINT, 95),
1231 /* mark this as start of a cookie session */
1232 CINIT(COOKIESESSION, LONG, 96),
1234 /* The CApath directory used to validate the peer certificate
1235 this option is used only if SSL_VERIFYPEER is true */
1236 CINIT(CAPATH, STRINGPOINT, 97),
1238 /* Instruct libcurl to use a smaller receive buffer */
1239 CINIT(BUFFERSIZE, LONG, 98),
1241 /* Instruct libcurl to not use any signal/alarm handlers, even when using
1242 timeouts. This option is useful for multi-threaded applications.
1243 See libcurl-the-guide for more background information. */
1244 CINIT(NOSIGNAL, LONG, 99),
1246 /* Provide a CURLShare for mutexing non-ts data */
1247 CINIT(SHARE, OBJECTPOINT, 100),
1249 /* indicates type of proxy. accepted values are CURLPROXY_HTTP (default),
1250 CURLPROXY_HTTPS, CURLPROXY_SOCKS4, CURLPROXY_SOCKS4A and
1251 CURLPROXY_SOCKS5. */
1252 CINIT(PROXYTYPE, LONG, 101),
1254 /* Set the Accept-Encoding string. Use this to tell a server you would like
1255 the response to be compressed. Before 7.21.6, this was known as
1257 CINIT(ACCEPT_ENCODING, STRINGPOINT, 102),
1259 /* Set pointer to private data */
1260 CINIT(PRIVATE, OBJECTPOINT, 103),
1262 /* Set aliases for HTTP 200 in the HTTP Response header */
1263 CINIT(HTTP200ALIASES, OBJECTPOINT, 104),
1265 /* Continue to send authentication (user+password) when following locations,
1266 even when hostname changed. This can potentially send off the name
1267 and password to whatever host the server decides. */
1268 CINIT(UNRESTRICTED_AUTH, LONG, 105),
1270 /* Specifically switch on or off the FTP engine's use of the EPRT command (
1271 it also disables the LPRT attempt). By default, those ones will always be
1272 attempted before the good old traditional PORT command. */
1273 CINIT(FTP_USE_EPRT, LONG, 106),
1275 /* Set this to a bitmask value to enable the particular authentications
1276 methods you like. Use this in combination with CURLOPT_USERPWD.
1277 Note that setting multiple bits may cause extra network round-trips. */
1278 CINIT(HTTPAUTH, LONG, 107),
1280 /* Set the ssl context callback function, currently only for OpenSSL ssl_ctx
1281 in second argument. The function must be matching the
1282 curl_ssl_ctx_callback proto. */
1283 CINIT(SSL_CTX_FUNCTION, FUNCTIONPOINT, 108),
1285 /* Set the userdata for the ssl context callback function's third
1287 CINIT(SSL_CTX_DATA, OBJECTPOINT, 109),
1289 /* FTP Option that causes missing dirs to be created on the remote server.
1290 In 7.19.4 we introduced the convenience enums for this option using the
1291 CURLFTP_CREATE_DIR prefix.
1293 CINIT(FTP_CREATE_MISSING_DIRS, LONG, 110),
1295 /* Set this to a bitmask value to enable the particular authentications
1296 methods you like. Use this in combination with CURLOPT_PROXYUSERPWD.
1297 Note that setting multiple bits may cause extra network round-trips. */
1298 CINIT(PROXYAUTH, LONG, 111),
1300 /* FTP option that changes the timeout, in seconds, associated with
1301 getting a response. This is different from transfer timeout time and
1302 essentially places a demand on the FTP server to acknowledge commands
1303 in a timely manner. */
1304 CINIT(FTP_RESPONSE_TIMEOUT, LONG, 112),
1305 #define CURLOPT_SERVER_RESPONSE_TIMEOUT CURLOPT_FTP_RESPONSE_TIMEOUT
1307 /* Set this option to one of the CURL_IPRESOLVE_* defines (see below) to
1308 tell libcurl to resolve names to those IP versions only. This only has
1309 affect on systems with support for more than one, i.e IPv4 _and_ IPv6. */
1310 CINIT(IPRESOLVE, LONG, 113),
1312 /* Set this option to limit the size of a file that will be downloaded from
1313 an HTTP or FTP server.
1315 Note there is also _LARGE version which adds large file support for
1316 platforms which have larger off_t sizes. See MAXFILESIZE_LARGE below. */
1317 CINIT(MAXFILESIZE, LONG, 114),
1319 /* See the comment for INFILESIZE above, but in short, specifies
1320 * the size of the file being uploaded. -1 means unknown.
1322 CINIT(INFILESIZE_LARGE, OFF_T, 115),
1324 /* Sets the continuation offset. There is also a LONG version of this;
1325 * look above for RESUME_FROM.
1327 CINIT(RESUME_FROM_LARGE, OFF_T, 116),
1329 /* Sets the maximum size of data that will be downloaded from
1330 * an HTTP or FTP server. See MAXFILESIZE above for the LONG version.
1332 CINIT(MAXFILESIZE_LARGE, OFF_T, 117),
1334 /* Set this option to the file name of your .netrc file you want libcurl
1335 to parse (using the CURLOPT_NETRC option). If not set, libcurl will do
1336 a poor attempt to find the user's home directory and check for a .netrc
1338 CINIT(NETRC_FILE, STRINGPOINT, 118),
1340 /* Enable SSL/TLS for FTP, pick one of:
1341 CURLUSESSL_TRY - try using SSL, proceed anyway otherwise
1342 CURLUSESSL_CONTROL - SSL for the control connection or fail
1343 CURLUSESSL_ALL - SSL for all communication or fail
1345 CINIT(USE_SSL, LONG, 119),
1347 /* The _LARGE version of the standard POSTFIELDSIZE option */
1348 CINIT(POSTFIELDSIZE_LARGE, OFF_T, 120),
1350 /* Enable/disable the TCP Nagle algorithm */
1351 CINIT(TCP_NODELAY, LONG, 121),
1353 /* 122 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1354 /* 123 OBSOLETE. Gone in 7.16.0 */
1355 /* 124 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1356 /* 125 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1357 /* 126 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1358 /* 127 OBSOLETE. Gone in 7.16.0 */
1359 /* 128 OBSOLETE. Gone in 7.16.0 */
1361 /* When FTP over SSL/TLS is selected (with CURLOPT_USE_SSL), this option
1362 can be used to change libcurl's default action which is to first try
1363 "AUTH SSL" and then "AUTH TLS" in this order, and proceed when a OK
1364 response has been received.
1366 Available parameters are:
1367 CURLFTPAUTH_DEFAULT - let libcurl decide
1368 CURLFTPAUTH_SSL - try "AUTH SSL" first, then TLS
1369 CURLFTPAUTH_TLS - try "AUTH TLS" first, then SSL
1371 CINIT(FTPSSLAUTH, LONG, 129),
1373 CINIT(IOCTLFUNCTION, FUNCTIONPOINT, 130),
1374 CINIT(IOCTLDATA, OBJECTPOINT, 131),
1376 /* 132 OBSOLETE. Gone in 7.16.0 */
1377 /* 133 OBSOLETE. Gone in 7.16.0 */
1379 /* zero terminated string for pass on to the FTP server when asked for
1381 CINIT(FTP_ACCOUNT, STRINGPOINT, 134),
1383 /* feed cookie into cookie engine */
1384 CINIT(COOKIELIST, STRINGPOINT, 135),
1386 /* ignore Content-Length */
1387 CINIT(IGNORE_CONTENT_LENGTH, LONG, 136),
1389 /* Set to non-zero to skip the IP address received in a 227 PASV FTP server
1390 response. Typically used for FTP-SSL purposes but is not restricted to
1391 that. libcurl will then instead use the same IP address it used for the
1392 control connection. */
1393 CINIT(FTP_SKIP_PASV_IP, LONG, 137),
1395 /* Select "file method" to use when doing FTP, see the curl_ftpmethod
1397 CINIT(FTP_FILEMETHOD, LONG, 138),
1399 /* Local port number to bind the socket to */
1400 CINIT(LOCALPORT, LONG, 139),
1402 /* Number of ports to try, including the first one set with LOCALPORT.
1403 Thus, setting it to 1 will make no additional attempts but the first.
1405 CINIT(LOCALPORTRANGE, LONG, 140),
1407 /* no transfer, set up connection and let application use the socket by
1408 extracting it with CURLINFO_LASTSOCKET */
1409 CINIT(CONNECT_ONLY, LONG, 141),
1411 /* Function that will be called to convert from the
1412 network encoding (instead of using the iconv calls in libcurl) */
1413 CINIT(CONV_FROM_NETWORK_FUNCTION, FUNCTIONPOINT, 142),
1415 /* Function that will be called to convert to the
1416 network encoding (instead of using the iconv calls in libcurl) */
1417 CINIT(CONV_TO_NETWORK_FUNCTION, FUNCTIONPOINT, 143),
1419 /* Function that will be called to convert from UTF8
1420 (instead of using the iconv calls in libcurl)
1421 Note that this is used only for SSL certificate processing */
1422 CINIT(CONV_FROM_UTF8_FUNCTION, FUNCTIONPOINT, 144),
1424 /* if the connection proceeds too quickly then need to slow it down */
1425 /* limit-rate: maximum number of bytes per second to send or receive */
1426 CINIT(MAX_SEND_SPEED_LARGE, OFF_T, 145),
1427 CINIT(MAX_RECV_SPEED_LARGE, OFF_T, 146),
1429 /* Pointer to command string to send if USER/PASS fails. */
1430 CINIT(FTP_ALTERNATIVE_TO_USER, STRINGPOINT, 147),
1432 /* callback function for setting socket options */
1433 CINIT(SOCKOPTFUNCTION, FUNCTIONPOINT, 148),
1434 CINIT(SOCKOPTDATA, OBJECTPOINT, 149),
1436 /* set to 0 to disable session ID re-use for this transfer, default is
1438 CINIT(SSL_SESSIONID_CACHE, LONG, 150),
1440 /* allowed SSH authentication methods */
1441 CINIT(SSH_AUTH_TYPES, LONG, 151),
1443 /* Used by scp/sftp to do public/private key authentication */
1444 CINIT(SSH_PUBLIC_KEYFILE, STRINGPOINT, 152),
1445 CINIT(SSH_PRIVATE_KEYFILE, STRINGPOINT, 153),
1447 /* Send CCC (Clear Command Channel) after authentication */
1448 CINIT(FTP_SSL_CCC, LONG, 154),
1450 /* Same as TIMEOUT and CONNECTTIMEOUT, but with ms resolution */
1451 CINIT(TIMEOUT_MS, LONG, 155),
1452 CINIT(CONNECTTIMEOUT_MS, LONG, 156),
1454 /* set to zero to disable the libcurl's decoding and thus pass the raw body
1455 data to the application even when it is encoded/compressed */
1456 CINIT(HTTP_TRANSFER_DECODING, LONG, 157),
1457 CINIT(HTTP_CONTENT_DECODING, LONG, 158),
1459 /* Permission used when creating new files and directories on the remote
1460 server for protocols that support it, SFTP/SCP/FILE */
1461 CINIT(NEW_FILE_PERMS, LONG, 159),
1462 CINIT(NEW_DIRECTORY_PERMS, LONG, 160),
1464 /* Set the behaviour of POST when redirecting. Values must be set to one
1465 of CURL_REDIR* defines below. This used to be called CURLOPT_POST301 */
1466 CINIT(POSTREDIR, LONG, 161),
1468 /* used by scp/sftp to verify the host's public key */
1469 CINIT(SSH_HOST_PUBLIC_KEY_MD5, STRINGPOINT, 162),
1471 /* Callback function for opening socket (instead of socket(2)). Optionally,
1472 callback is able change the address or refuse to connect returning
1473 CURL_SOCKET_BAD. The callback should have type
1474 curl_opensocket_callback */
1475 CINIT(OPENSOCKETFUNCTION, FUNCTIONPOINT, 163),
1476 CINIT(OPENSOCKETDATA, OBJECTPOINT, 164),
1478 /* POST volatile input fields. */
1479 CINIT(COPYPOSTFIELDS, OBJECTPOINT, 165),
1481 /* set transfer mode (;type=<a|i>) when doing FTP via an HTTP proxy */
1482 CINIT(PROXY_TRANSFER_MODE, LONG, 166),
1484 /* Callback function for seeking in the input stream */
1485 CINIT(SEEKFUNCTION, FUNCTIONPOINT, 167),
1486 CINIT(SEEKDATA, OBJECTPOINT, 168),
1489 CINIT(CRLFILE, STRINGPOINT, 169),
1491 /* Issuer certificate */
1492 CINIT(ISSUERCERT, STRINGPOINT, 170),
1494 /* (IPv6) Address scope */
1495 CINIT(ADDRESS_SCOPE, LONG, 171),
1497 /* Collect certificate chain info and allow it to get retrievable with
1498 CURLINFO_CERTINFO after the transfer is complete. */
1499 CINIT(CERTINFO, LONG, 172),
1501 /* "name" and "pwd" to use when fetching. */
1502 CINIT(USERNAME, STRINGPOINT, 173),
1503 CINIT(PASSWORD, STRINGPOINT, 174),
1505 /* "name" and "pwd" to use with Proxy when fetching. */
1506 CINIT(PROXYUSERNAME, STRINGPOINT, 175),
1507 CINIT(PROXYPASSWORD, STRINGPOINT, 176),
1509 /* Comma separated list of hostnames defining no-proxy zones. These should
1510 match both hostnames directly, and hostnames within a domain. For
1511 example, local.com will match local.com and www.local.com, but NOT
1512 notlocal.com or www.notlocal.com. For compatibility with other
1513 implementations of this, .local.com will be considered to be the same as
1514 local.com. A single * is the only valid wildcard, and effectively
1515 disables the use of proxy. */
1516 CINIT(NOPROXY, STRINGPOINT, 177),
1518 /* block size for TFTP transfers */
1519 CINIT(TFTP_BLKSIZE, LONG, 178),
1522 CINIT(SOCKS5_GSSAPI_SERVICE, STRINGPOINT, 179), /* DEPRECATED, do not use! */
1525 CINIT(SOCKS5_GSSAPI_NEC, LONG, 180),
1527 /* set the bitmask for the protocols that are allowed to be used for the
1528 transfer, which thus helps the app which takes URLs from users or other
1529 external inputs and want to restrict what protocol(s) to deal
1530 with. Defaults to CURLPROTO_ALL. */
1531 CINIT(PROTOCOLS, LONG, 181),
1533 /* set the bitmask for the protocols that libcurl is allowed to follow to,
1534 as a subset of the CURLOPT_PROTOCOLS ones. That means the protocol needs
1535 to be set in both bitmasks to be allowed to get redirected to. Defaults
1536 to all protocols except FILE and SCP. */
1537 CINIT(REDIR_PROTOCOLS, LONG, 182),
1539 /* set the SSH knownhost file name to use */
1540 CINIT(SSH_KNOWNHOSTS, STRINGPOINT, 183),
1542 /* set the SSH host key callback, must point to a curl_sshkeycallback
1544 CINIT(SSH_KEYFUNCTION, FUNCTIONPOINT, 184),
1546 /* set the SSH host key callback custom pointer */
1547 CINIT(SSH_KEYDATA, OBJECTPOINT, 185),
1549 /* set the SMTP mail originator */
1550 CINIT(MAIL_FROM, STRINGPOINT, 186),
1552 /* set the list of SMTP mail receiver(s) */
1553 CINIT(MAIL_RCPT, OBJECTPOINT, 187),
1555 /* FTP: send PRET before PASV */
1556 CINIT(FTP_USE_PRET, LONG, 188),
1558 /* RTSP request method (OPTIONS, SETUP, PLAY, etc...) */
1559 CINIT(RTSP_REQUEST, LONG, 189),
1561 /* The RTSP session identifier */
1562 CINIT(RTSP_SESSION_ID, STRINGPOINT, 190),
1564 /* The RTSP stream URI */
1565 CINIT(RTSP_STREAM_URI, STRINGPOINT, 191),
1567 /* The Transport: header to use in RTSP requests */
1568 CINIT(RTSP_TRANSPORT, STRINGPOINT, 192),
1570 /* Manually initialize the client RTSP CSeq for this handle */
1571 CINIT(RTSP_CLIENT_CSEQ, LONG, 193),
1573 /* Manually initialize the server RTSP CSeq for this handle */
1574 CINIT(RTSP_SERVER_CSEQ, LONG, 194),
1576 /* The stream to pass to INTERLEAVEFUNCTION. */
1577 CINIT(INTERLEAVEDATA, OBJECTPOINT, 195),
1579 /* Let the application define a custom write method for RTP data */
1580 CINIT(INTERLEAVEFUNCTION, FUNCTIONPOINT, 196),
1582 /* Turn on wildcard matching */
1583 CINIT(WILDCARDMATCH, LONG, 197),
1585 /* Directory matching callback called before downloading of an
1586 individual file (chunk) started */
1587 CINIT(CHUNK_BGN_FUNCTION, FUNCTIONPOINT, 198),
1589 /* Directory matching callback called after the file (chunk)
1590 was downloaded, or skipped */
1591 CINIT(CHUNK_END_FUNCTION, FUNCTIONPOINT, 199),
1593 /* Change match (fnmatch-like) callback for wildcard matching */
1594 CINIT(FNMATCH_FUNCTION, FUNCTIONPOINT, 200),
1596 /* Let the application define custom chunk data pointer */
1597 CINIT(CHUNK_DATA, OBJECTPOINT, 201),
1599 /* FNMATCH_FUNCTION user pointer */
1600 CINIT(FNMATCH_DATA, OBJECTPOINT, 202),
1602 /* send linked-list of name:port:address sets */
1603 CINIT(RESOLVE, OBJECTPOINT, 203),
1605 /* Set a username for authenticated TLS */
1606 CINIT(TLSAUTH_USERNAME, STRINGPOINT, 204),
1608 /* Set a password for authenticated TLS */
1609 CINIT(TLSAUTH_PASSWORD, STRINGPOINT, 205),
1611 /* Set authentication type for authenticated TLS */
1612 CINIT(TLSAUTH_TYPE, STRINGPOINT, 206),
1614 /* Set to 1 to enable the "TE:" header in HTTP requests to ask for
1615 compressed transfer-encoded responses. Set to 0 to disable the use of TE:
1616 in outgoing requests. The current default is 0, but it might change in a
1617 future libcurl release.
1619 libcurl will ask for the compressed methods it knows of, and if that
1620 isn't any, it will not ask for transfer-encoding at all even if this
1624 CINIT(TRANSFER_ENCODING, LONG, 207),
1626 /* Callback function for closing socket (instead of close(2)). The callback
1627 should have type curl_closesocket_callback */
1628 CINIT(CLOSESOCKETFUNCTION, FUNCTIONPOINT, 208),
1629 CINIT(CLOSESOCKETDATA, OBJECTPOINT, 209),
1631 /* allow GSSAPI credential delegation */
1632 CINIT(GSSAPI_DELEGATION, LONG, 210),
1634 /* Set the name servers to use for DNS resolution */
1635 CINIT(DNS_SERVERS, STRINGPOINT, 211),
1637 /* Time-out accept operations (currently for FTP only) after this amount
1639 CINIT(ACCEPTTIMEOUT_MS, LONG, 212),
1641 /* Set TCP keepalive */
1642 CINIT(TCP_KEEPALIVE, LONG, 213),
1644 /* non-universal keepalive knobs (Linux, AIX, HP-UX, more) */
1645 CINIT(TCP_KEEPIDLE, LONG, 214),
1646 CINIT(TCP_KEEPINTVL, LONG, 215),
1648 /* Enable/disable specific SSL features with a bitmask, see CURLSSLOPT_* */
1649 CINIT(SSL_OPTIONS, LONG, 216),
1651 /* Set the SMTP auth originator */
1652 CINIT(MAIL_AUTH, STRINGPOINT, 217),
1654 /* Enable/disable SASL initial response */
1655 CINIT(SASL_IR, LONG, 218),
1657 /* Function that will be called instead of the internal progress display
1658 * function. This function should be defined as the curl_xferinfo_callback
1659 * prototype defines. (Deprecates CURLOPT_PROGRESSFUNCTION) */
1660 CINIT(XFERINFOFUNCTION, FUNCTIONPOINT, 219),
1662 /* The XOAUTH2 bearer token */
1663 CINIT(XOAUTH2_BEARER, STRINGPOINT, 220),
1665 /* Set the interface string to use as outgoing network
1666 * interface for DNS requests.
1667 * Only supported by the c-ares DNS backend */
1668 CINIT(DNS_INTERFACE, STRINGPOINT, 221),
1670 /* Set the local IPv4 address to use for outgoing DNS requests.
1671 * Only supported by the c-ares DNS backend */
1672 CINIT(DNS_LOCAL_IP4, STRINGPOINT, 222),
1674 /* Set the local IPv6 address to use for outgoing DNS requests.
1675 * Only supported by the c-ares DNS backend */
1676 CINIT(DNS_LOCAL_IP6, STRINGPOINT, 223),
1678 /* Set authentication options directly */
1679 CINIT(LOGIN_OPTIONS, STRINGPOINT, 224),
1681 /* Enable/disable TLS NPN extension (http2 over ssl might fail without) */
1682 CINIT(SSL_ENABLE_NPN, LONG, 225),
1684 /* Enable/disable TLS ALPN extension (http2 over ssl might fail without) */
1685 CINIT(SSL_ENABLE_ALPN, LONG, 226),
1687 /* Time to wait for a response to a HTTP request containing an
1688 * Expect: 100-continue header before sending the data anyway. */
1689 CINIT(EXPECT_100_TIMEOUT_MS, LONG, 227),
1691 /* This points to a linked list of headers used for proxy requests only,
1692 struct curl_slist kind */
1693 CINIT(PROXYHEADER, OBJECTPOINT, 228),
1695 /* Pass in a bitmask of "header options" */
1696 CINIT(HEADEROPT, LONG, 229),
1698 /* The public key in DER form used to validate the peer public key
1699 this option is used only if SSL_VERIFYPEER is true */
1700 CINIT(PINNEDPUBLICKEY, STRINGPOINT, 230),
1702 /* Path to Unix domain socket */
1703 CINIT(UNIX_SOCKET_PATH, STRINGPOINT, 231),
1705 /* Set if we should verify the certificate status. */
1706 CINIT(SSL_VERIFYSTATUS, LONG, 232),
1708 /* Set if we should enable TLS false start. */
1709 CINIT(SSL_FALSESTART, LONG, 233),
1711 /* Do not squash dot-dot sequences */
1712 CINIT(PATH_AS_IS, LONG, 234),
1714 /* Proxy Service Name */
1715 CINIT(PROXY_SERVICE_NAME, STRINGPOINT, 235),
1718 CINIT(SERVICE_NAME, STRINGPOINT, 236),
1720 /* Wait/don't wait for pipe/mutex to clarify */
1721 CINIT(PIPEWAIT, LONG, 237),
1723 /* Set the protocol used when curl is given a URL without a protocol */
1724 CINIT(DEFAULT_PROTOCOL, STRINGPOINT, 238),
1726 /* Set stream weight, 1 - 256 (default is 16) */
1727 CINIT(STREAM_WEIGHT, LONG, 239),
1729 /* Set stream dependency on another CURL handle */
1730 CINIT(STREAM_DEPENDS, OBJECTPOINT, 240),
1732 /* Set E-xclusive stream dependency on another CURL handle */
1733 CINIT(STREAM_DEPENDS_E, OBJECTPOINT, 241),
1735 /* Do not send any tftp option requests to the server */
1736 CINIT(TFTP_NO_OPTIONS, LONG, 242),
1738 /* Linked-list of host:port:connect-to-host:connect-to-port,
1739 overrides the URL's host:port (only for the network layer) */
1740 CINIT(CONNECT_TO, OBJECTPOINT, 243),
1742 /* Set TCP Fast Open */
1743 CINIT(TCP_FASTOPEN, LONG, 244),
1745 /* Continue to send data if the server responds early with an
1746 * HTTP status code >= 300 */
1747 CINIT(KEEP_SENDING_ON_ERROR, LONG, 245),
1749 /* The CApath or CAfile used to validate the proxy certificate
1750 this option is used only if PROXY_SSL_VERIFYPEER is true */
1751 CINIT(PROXY_CAINFO, STRINGPOINT, 246),
1753 /* The CApath directory used to validate the proxy certificate
1754 this option is used only if PROXY_SSL_VERIFYPEER is true */
1755 CINIT(PROXY_CAPATH, STRINGPOINT, 247),
1757 /* Set if we should verify the proxy in ssl handshake,
1759 CINIT(PROXY_SSL_VERIFYPEER, LONG, 248),
1761 /* Set if we should verify the Common name from the proxy certificate in ssl
1762 * handshake, set 1 to check existence, 2 to ensure that it matches
1763 * the provided hostname. */
1764 CINIT(PROXY_SSL_VERIFYHOST, LONG, 249),
1766 /* What version to specifically try to use for proxy.
1767 See CURL_SSLVERSION defines below. */
1768 CINIT(PROXY_SSLVERSION, LONG, 250),
1770 /* Set a username for authenticated TLS for proxy */
1771 CINIT(PROXY_TLSAUTH_USERNAME, STRINGPOINT, 251),
1773 /* Set a password for authenticated TLS for proxy */
1774 CINIT(PROXY_TLSAUTH_PASSWORD, STRINGPOINT, 252),
1776 /* Set authentication type for authenticated TLS for proxy */
1777 CINIT(PROXY_TLSAUTH_TYPE, STRINGPOINT, 253),
1779 /* name of the file keeping your private SSL-certificate for proxy */
1780 CINIT(PROXY_SSLCERT, STRINGPOINT, 254),
1782 /* type of the file keeping your SSL-certificate ("DER", "PEM", "ENG") for
1784 CINIT(PROXY_SSLCERTTYPE, STRINGPOINT, 255),
1786 /* name of the file keeping your private SSL-key for proxy */
1787 CINIT(PROXY_SSLKEY, STRINGPOINT, 256),
1789 /* type of the file keeping your private SSL-key ("DER", "PEM", "ENG") for
1791 CINIT(PROXY_SSLKEYTYPE, STRINGPOINT, 257),
1793 /* password for the SSL private key for proxy */
1794 CINIT(PROXY_KEYPASSWD, STRINGPOINT, 258),
1796 /* Specify which SSL ciphers to use for proxy */
1797 CINIT(PROXY_SSL_CIPHER_LIST, STRINGPOINT, 259),
1799 /* CRL file for proxy */
1800 CINIT(PROXY_CRLFILE, STRINGPOINT, 260),
1802 /* Enable/disable specific SSL features with a bitmask for proxy, see
1804 CINIT(PROXY_SSL_OPTIONS, LONG, 261),
1806 /* Name of pre proxy to use. */
1807 CINIT(PRE_PROXY, STRINGPOINT, 262),
1809 /* The public key in DER form used to validate the proxy public key
1810 this option is used only if PROXY_SSL_VERIFYPEER is true */
1811 CINIT(PROXY_PINNEDPUBLICKEY, STRINGPOINT, 263),
1813 /* Path to an abstract Unix domain socket */
1814 CINIT(ABSTRACT_UNIX_SOCKET, STRINGPOINT, 264),
1816 /* Suppress proxy CONNECT response headers from user callbacks */
1817 CINIT(SUPPRESS_CONNECT_HEADERS, LONG, 265),
1819 /* The request target, instead of extracted from the URL */
1820 CINIT(REQUEST_TARGET, STRINGPOINT, 266),
1822 /* bitmask of allowed auth methods for connections to SOCKS5 proxies */
1823 CINIT(SOCKS5_AUTH, LONG, 267),
1825 /* Enable/disable SSH compression */
1826 CINIT(SSH_COMPRESSION, LONG, 268),
1828 /* Post MIME data. */
1829 CINIT(MIMEPOST, OBJECTPOINT, 269),
1831 /* Time to use with the CURLOPT_TIMECONDITION. Specified in number of
1832 seconds since 1 Jan 1970. */
1833 CINIT(TIMEVALUE_LARGE, OFF_T, 270),
1835 /* Head start in milliseconds to give happy eyeballs. */
1836 CINIT(HAPPY_EYEBALLS_TIMEOUT_MS, LONG, 271),
1838 /* Function that will be called before a resolver request is made */
1839 CINIT(RESOLVER_START_FUNCTION, FUNCTIONPOINT, 272),
1841 /* User data to pass to the resolver start callback. */
1842 CINIT(RESOLVER_START_DATA, OBJECTPOINT, 273),
1844 CURLOPT_LASTENTRY /* the last unused */
1847 #ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
1848 the obsolete stuff removed! */
1850 /* Backwards compatibility with older names */
1851 /* These are scheduled to disappear by 2011 */
1853 /* This was added in version 7.19.1 */
1854 #define CURLOPT_POST301 CURLOPT_POSTREDIR
1856 /* These are scheduled to disappear by 2009 */
1858 /* The following were added in 7.17.0 */
1859 #define CURLOPT_SSLKEYPASSWD CURLOPT_KEYPASSWD
1860 #define CURLOPT_FTPAPPEND CURLOPT_APPEND
1861 #define CURLOPT_FTPLISTONLY CURLOPT_DIRLISTONLY
1862 #define CURLOPT_FTP_SSL CURLOPT_USE_SSL
1864 /* The following were added earlier */
1866 #define CURLOPT_SSLCERTPASSWD CURLOPT_KEYPASSWD
1867 #define CURLOPT_KRB4LEVEL CURLOPT_KRBLEVEL
1870 /* This is set if CURL_NO_OLDIES is defined at compile-time */
1871 #undef CURLOPT_DNS_USE_GLOBAL_CACHE /* soon obsolete */
1875 /* Below here follows defines for the CURLOPT_IPRESOLVE option. If a host
1876 name resolves addresses using more than one IP protocol version, this
1877 option might be handy to force libcurl to use a specific IP version. */
1878 #define CURL_IPRESOLVE_WHATEVER 0 /* default, resolves addresses to all IP
1879 versions that your system allows */
1880 #define CURL_IPRESOLVE_V4 1 /* resolve to IPv4 addresses */
1881 #define CURL_IPRESOLVE_V6 2 /* resolve to IPv6 addresses */
1883 /* three convenient "aliases" that follow the name scheme better */
1884 #define CURLOPT_RTSPHEADER CURLOPT_HTTPHEADER
1886 /* These enums are for use with the CURLOPT_HTTP_VERSION option. */
1888 CURL_HTTP_VERSION_NONE, /* setting this means we don't care, and that we'd
1889 like the library to choose the best possible
1891 CURL_HTTP_VERSION_1_0, /* please use HTTP 1.0 in the request */
1892 CURL_HTTP_VERSION_1_1, /* please use HTTP 1.1 in the request */
1893 CURL_HTTP_VERSION_2_0, /* please use HTTP 2 in the request */
1894 CURL_HTTP_VERSION_2TLS, /* use version 2 for HTTPS, version 1.1 for HTTP */
1895 CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE, /* please use HTTP 2 without HTTP/1.1
1898 CURL_HTTP_VERSION_LAST /* *ILLEGAL* http version */
1901 /* Convenience definition simple because the name of the version is HTTP/2 and
1902 not 2.0. The 2_0 version of the enum name was set while the version was
1903 still planned to be 2.0 and we stick to it for compatibility. */
1904 #define CURL_HTTP_VERSION_2 CURL_HTTP_VERSION_2_0
1907 * Public API enums for RTSP requests
1910 CURL_RTSPREQ_NONE, /* first in list */
1911 CURL_RTSPREQ_OPTIONS,
1912 CURL_RTSPREQ_DESCRIBE,
1913 CURL_RTSPREQ_ANNOUNCE,
1917 CURL_RTSPREQ_TEARDOWN,
1918 CURL_RTSPREQ_GET_PARAMETER,
1919 CURL_RTSPREQ_SET_PARAMETER,
1920 CURL_RTSPREQ_RECORD,
1921 CURL_RTSPREQ_RECEIVE,
1922 CURL_RTSPREQ_LAST /* last in list */
1925 /* These enums are for use with the CURLOPT_NETRC option. */
1926 enum CURL_NETRC_OPTION {
1927 CURL_NETRC_IGNORED, /* The .netrc will never be read.
1928 * This is the default. */
1929 CURL_NETRC_OPTIONAL, /* A user:password in the URL will be preferred
1930 * to one in the .netrc. */
1931 CURL_NETRC_REQUIRED, /* A user:password in the URL will be ignored.
1932 * Unless one is set programmatically, the .netrc
1933 * will be queried. */
1938 CURL_SSLVERSION_DEFAULT,
1939 CURL_SSLVERSION_TLSv1, /* TLS 1.x */
1940 CURL_SSLVERSION_SSLv2,
1941 CURL_SSLVERSION_SSLv3,
1942 CURL_SSLVERSION_TLSv1_0,
1943 CURL_SSLVERSION_TLSv1_1,
1944 CURL_SSLVERSION_TLSv1_2,
1945 CURL_SSLVERSION_TLSv1_3,
1947 CURL_SSLVERSION_LAST /* never use, keep last */
1951 CURL_SSLVERSION_MAX_NONE = 0,
1952 CURL_SSLVERSION_MAX_DEFAULT = (CURL_SSLVERSION_TLSv1 << 16),
1953 CURL_SSLVERSION_MAX_TLSv1_0 = (CURL_SSLVERSION_TLSv1_0 << 16),
1954 CURL_SSLVERSION_MAX_TLSv1_1 = (CURL_SSLVERSION_TLSv1_1 << 16),
1955 CURL_SSLVERSION_MAX_TLSv1_2 = (CURL_SSLVERSION_TLSv1_2 << 16),
1956 CURL_SSLVERSION_MAX_TLSv1_3 = (CURL_SSLVERSION_TLSv1_3 << 16),
1958 /* never use, keep last */
1959 CURL_SSLVERSION_MAX_LAST = (CURL_SSLVERSION_LAST << 16)
1965 CURL_TLSAUTH_LAST /* never use, keep last */
1968 /* symbols to use with CURLOPT_POSTREDIR.
1969 CURL_REDIR_POST_301, CURL_REDIR_POST_302 and CURL_REDIR_POST_303
1970 can be bitwise ORed so that CURL_REDIR_POST_301 | CURL_REDIR_POST_302
1971 | CURL_REDIR_POST_303 == CURL_REDIR_POST_ALL */
1973 #define CURL_REDIR_GET_ALL 0
1974 #define CURL_REDIR_POST_301 1
1975 #define CURL_REDIR_POST_302 2
1976 #define CURL_REDIR_POST_303 4
1977 #define CURL_REDIR_POST_ALL \
1978 (CURL_REDIR_POST_301|CURL_REDIR_POST_302|CURL_REDIR_POST_303)
1983 CURL_TIMECOND_IFMODSINCE,
1984 CURL_TIMECOND_IFUNMODSINCE,
1985 CURL_TIMECOND_LASTMOD,
1990 /* Special size_t value signaling a zero-terminated string. */
1991 #define CURL_ZERO_TERMINATED ((size_t) -1)
1993 /* curl_strequal() and curl_strnequal() are subject for removal in a future
1995 CURL_EXTERN int curl_strequal(const char *s1, const char *s2);
1996 CURL_EXTERN int curl_strnequal(const char *s1, const char *s2, size_t n);
1998 /* Mime/form handling support. */
1999 typedef struct curl_mime_s curl_mime; /* Mime context. */
2000 typedef struct curl_mimepart_s curl_mimepart; /* Mime part context. */
2003 * NAME curl_mime_init()
2007 * Create a mime context and return its handle. The easy parameter is the
2010 CURL_EXTERN curl_mime *curl_mime_init(CURL *easy);
2013 * NAME curl_mime_free()
2017 * release a mime handle and its substructures.
2019 CURL_EXTERN void curl_mime_free(curl_mime *mime);
2022 * NAME curl_mime_addpart()
2026 * Append a new empty part to the given mime context and return a handle to
2029 CURL_EXTERN curl_mimepart *curl_mime_addpart(curl_mime *mime);
2032 * NAME curl_mime_name()
2036 * Set mime/form part name.
2038 CURL_EXTERN CURLcode curl_mime_name(curl_mimepart *part, const char *name);
2041 * NAME curl_mime_filename()
2045 * Set mime part remote file name.
2047 CURL_EXTERN CURLcode curl_mime_filename(curl_mimepart *part,
2048 const char *filename);
2051 * NAME curl_mime_type()
2055 * Set mime part type.
2057 CURL_EXTERN CURLcode curl_mime_type(curl_mimepart *part, const char *mimetype);
2060 * NAME curl_mime_encoder()
2064 * Set mime data transfer encoder.
2066 CURL_EXTERN CURLcode curl_mime_encoder(curl_mimepart *part,
2067 const char *encoding);
2070 * NAME curl_mime_data()
2074 * Set mime part data source from memory data,
2076 CURL_EXTERN CURLcode curl_mime_data(curl_mimepart *part,
2077 const char *data, size_t datasize);
2080 * NAME curl_mime_filedata()
2084 * Set mime part data source from named file.
2086 CURL_EXTERN CURLcode curl_mime_filedata(curl_mimepart *part,
2087 const char *filename);
2090 * NAME curl_mime_data_cb()
2094 * Set mime part data source from callback function.
2096 CURL_EXTERN CURLcode curl_mime_data_cb(curl_mimepart *part,
2097 curl_off_t datasize,
2098 curl_read_callback readfunc,
2099 curl_seek_callback seekfunc,
2100 curl_free_callback freefunc,
2104 * NAME curl_mime_subparts()
2108 * Set mime part data source from subparts.
2110 CURL_EXTERN CURLcode curl_mime_subparts(curl_mimepart *part,
2111 curl_mime *subparts);
2113 * NAME curl_mime_headers()
2117 * Set mime part headers.
2119 CURL_EXTERN CURLcode curl_mime_headers(curl_mimepart *part,
2120 struct curl_slist *headers,
2121 int take_ownership);
2124 /* name is uppercase CURLFORM_<name> */
2130 #define CFINIT(name) CURLFORM_ ## name
2132 /* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
2133 #define CFINIT(name) CURLFORM_/**/name
2137 CFINIT(NOTHING), /********* the first one is unused ************/
2143 CFINIT(COPYCONTENTS),
2144 CFINIT(PTRCONTENTS),
2145 CFINIT(CONTENTSLENGTH),
2146 CFINIT(FILECONTENT),
2153 CFINIT(BUFFERLENGTH),
2155 CFINIT(CONTENTTYPE),
2156 CFINIT(CONTENTHEADER),
2162 CFINIT(CONTENTLEN), /* added in 7.46.0, provide a curl_off_t length */
2164 CURLFORM_LASTENTRY /* the last unused */
2167 #undef CFINIT /* done */
2169 /* structure to be used as parameter for CURLFORM_ARRAY */
2171 CURLformoption option;
2175 /* use this for multipart formpost building */
2176 /* Returns code for curl_formadd()
2179 * CURL_FORMADD_OK on success
2180 * CURL_FORMADD_MEMORY if the FormInfo allocation fails
2181 * CURL_FORMADD_OPTION_TWICE if one option is given twice for one Form
2182 * CURL_FORMADD_NULL if a null pointer was given for a char
2183 * CURL_FORMADD_MEMORY if the allocation of a FormInfo struct failed
2184 * CURL_FORMADD_UNKNOWN_OPTION if an unknown option was used
2185 * CURL_FORMADD_INCOMPLETE if the some FormInfo is not complete (or error)
2186 * CURL_FORMADD_MEMORY if a curl_httppost struct cannot be allocated
2187 * CURL_FORMADD_MEMORY if some allocation for string copying failed.
2188 * CURL_FORMADD_ILLEGAL_ARRAY if an illegal option is used in an array
2190 ***************************************************************************/
2192 CURL_FORMADD_OK, /* first, no error */
2194 CURL_FORMADD_MEMORY,
2195 CURL_FORMADD_OPTION_TWICE,
2197 CURL_FORMADD_UNKNOWN_OPTION,
2198 CURL_FORMADD_INCOMPLETE,
2199 CURL_FORMADD_ILLEGAL_ARRAY,
2200 CURL_FORMADD_DISABLED, /* libcurl was built with this disabled */
2202 CURL_FORMADD_LAST /* last */
2206 * NAME curl_formadd()
2210 * Pretty advanced function for building multi-part formposts. Each invoke
2211 * adds one part that together construct a full post. Then use
2212 * CURLOPT_HTTPPOST to send it off to libcurl.
2214 CURL_EXTERN CURLFORMcode curl_formadd(struct curl_httppost **httppost,
2215 struct curl_httppost **last_post,
2219 * callback function for curl_formget()
2220 * The void *arg pointer will be the one passed as second argument to
2222 * The character buffer passed to it must not be freed.
2223 * Should return the buffer length passed to it as the argument "len" on
2226 typedef size_t (*curl_formget_callback)(void *arg, const char *buf,
2230 * NAME curl_formget()
2234 * Serialize a curl_httppost struct built with curl_formadd().
2235 * Accepts a void pointer as second argument which will be passed to
2236 * the curl_formget_callback function.
2237 * Returns 0 on success.
2239 CURL_EXTERN int curl_formget(struct curl_httppost *form, void *arg,
2240 curl_formget_callback append);
2242 * NAME curl_formfree()
2246 * Free a multipart formpost previously built with curl_formadd().
2248 CURL_EXTERN void curl_formfree(struct curl_httppost *form);
2251 * NAME curl_getenv()
2255 * Returns a malloc()'ed string that MUST be curl_free()ed after usage is
2256 * complete. DEPRECATED - see lib/README.curlx
2258 CURL_EXTERN char *curl_getenv(const char *variable);
2261 * NAME curl_version()
2265 * Returns a static ascii string of the libcurl version.
2267 CURL_EXTERN char *curl_version(void);
2270 * NAME curl_easy_escape()
2274 * Escapes URL strings (converts all letters consider illegal in URLs to their
2275 * %XX versions). This function returns a new allocated string or NULL if an
2278 CURL_EXTERN char *curl_easy_escape(CURL *handle,
2282 /* the previous version: */
2283 CURL_EXTERN char *curl_escape(const char *string,
2288 * NAME curl_easy_unescape()
2292 * Unescapes URL encoding in strings (converts all %XX codes to their 8bit
2293 * versions). This function returns a new allocated string or NULL if an error
2295 * Conversion Note: On non-ASCII platforms the ASCII %XX codes are
2296 * converted into the host encoding.
2298 CURL_EXTERN char *curl_easy_unescape(CURL *handle,
2303 /* the previous version */
2304 CURL_EXTERN char *curl_unescape(const char *string,
2312 * Provided for de-allocation in the same translation unit that did the
2313 * allocation. Added in libcurl 7.10
2315 CURL_EXTERN void curl_free(void *p);
2318 * NAME curl_global_init()
2322 * curl_global_init() should be invoked exactly once for each application that
2323 * uses libcurl and before any call of other libcurl functions.
2325 * This function is not thread-safe!
2327 CURL_EXTERN CURLcode curl_global_init(long flags);
2330 * NAME curl_global_init_mem()
2334 * curl_global_init() or curl_global_init_mem() should be invoked exactly once
2335 * for each application that uses libcurl. This function can be used to
2336 * initialize libcurl and set user defined memory management callback
2337 * functions. Users can implement memory management routines to check for
2338 * memory leaks, check for mis-use of the curl library etc. User registered
2339 * callback routines with be invoked by this library instead of the system
2340 * memory management routines like malloc, free etc.
2342 CURL_EXTERN CURLcode curl_global_init_mem(long flags,
2343 curl_malloc_callback m,
2344 curl_free_callback f,
2345 curl_realloc_callback r,
2346 curl_strdup_callback s,
2347 curl_calloc_callback c);
2350 * NAME curl_global_cleanup()
2354 * curl_global_cleanup() should be invoked exactly once for each application
2357 CURL_EXTERN void curl_global_cleanup(void);
2359 /* linked-list structure for the CURLOPT_QUOTE option (and other) */
2362 struct curl_slist *next;
2366 * NAME curl_global_sslset()
2370 * When built with multiple SSL backends, curl_global_sslset() allows to
2371 * choose one. This function can only be called once, and it must be called
2372 * *before* curl_global_init().
2374 * The backend can be identified by the id (e.g. CURLSSLBACKEND_OPENSSL). The
2375 * backend can also be specified via the name parameter (passing -1 as id).
2376 * If both id and name are specified, the name will be ignored. If neither id
2377 * nor name are specified, the function will fail with
2378 * CURLSSLSET_UNKNOWN_BACKEND and set the "avail" pointer to the
2379 * NULL-terminated list of available backends.
2381 * Upon success, the function returns CURLSSLSET_OK.
2383 * If the specified SSL backend is not available, the function returns
2384 * CURLSSLSET_UNKNOWN_BACKEND and sets the "avail" pointer to a NULL-terminated
2385 * list of available SSL backends.
2387 * The SSL backend can be set only once. If it has already been set, a
2388 * subsequent attempt to change it will result in a CURLSSLSET_TOO_LATE.
2398 CURLSSLSET_UNKNOWN_BACKEND,
2399 CURLSSLSET_TOO_LATE,
2400 CURLSSLSET_NO_BACKENDS /* libcurl was built without any SSL support */
2403 CURL_EXTERN CURLsslset curl_global_sslset(curl_sslbackend id, const char *name,
2404 const curl_ssl_backend ***avail);
2407 * NAME curl_slist_append()
2411 * Appends a string to a linked list. If no list exists, it will be created
2412 * first. Returns the new list, after appending.
2414 CURL_EXTERN struct curl_slist *curl_slist_append(struct curl_slist *,
2418 * NAME curl_slist_free_all()
2422 * free a previously built curl_slist.
2424 CURL_EXTERN void curl_slist_free_all(struct curl_slist *);
2427 * NAME curl_getdate()
2431 * Returns the time, in seconds since 1 Jan 1970 of the time string given in
2432 * the first argument. The time argument in the second parameter is unused
2433 * and should be set to NULL.
2435 CURL_EXTERN time_t curl_getdate(const char *p, const time_t *unused);
2437 /* info about the certificate chain, only for OpenSSL builds. Asked
2438 for with CURLOPT_CERTINFO / CURLINFO_CERTINFO */
2439 struct curl_certinfo {
2440 int num_of_certs; /* number of certificates with information */
2441 struct curl_slist **certinfo; /* for each index in this array, there's a
2442 linked list with textual information in the
2443 format "name: value" */
2446 /* Information about the SSL library used and the respective internal SSL
2447 handle, which can be used to obtain further information regarding the
2448 connection. Asked for with CURLINFO_TLS_SSL_PTR or CURLINFO_TLS_SESSION. */
2449 struct curl_tlssessioninfo {
2450 curl_sslbackend backend;
2454 #define CURLINFO_STRING 0x100000
2455 #define CURLINFO_LONG 0x200000
2456 #define CURLINFO_DOUBLE 0x300000
2457 #define CURLINFO_SLIST 0x400000
2458 #define CURLINFO_PTR 0x400000 /* same as SLIST */
2459 #define CURLINFO_SOCKET 0x500000
2460 #define CURLINFO_OFF_T 0x600000
2461 #define CURLINFO_MASK 0x0fffff
2462 #define CURLINFO_TYPEMASK 0xf00000
2465 CURLINFO_NONE, /* first, never use this */
2466 CURLINFO_EFFECTIVE_URL = CURLINFO_STRING + 1,
2467 CURLINFO_RESPONSE_CODE = CURLINFO_LONG + 2,
2468 CURLINFO_TOTAL_TIME = CURLINFO_DOUBLE + 3,
2469 CURLINFO_NAMELOOKUP_TIME = CURLINFO_DOUBLE + 4,
2470 CURLINFO_CONNECT_TIME = CURLINFO_DOUBLE + 5,
2471 CURLINFO_PRETRANSFER_TIME = CURLINFO_DOUBLE + 6,
2472 CURLINFO_SIZE_UPLOAD = CURLINFO_DOUBLE + 7,
2473 CURLINFO_SIZE_UPLOAD_T = CURLINFO_OFF_T + 7,
2474 CURLINFO_SIZE_DOWNLOAD = CURLINFO_DOUBLE + 8,
2475 CURLINFO_SIZE_DOWNLOAD_T = CURLINFO_OFF_T + 8,
2476 CURLINFO_SPEED_DOWNLOAD = CURLINFO_DOUBLE + 9,
2477 CURLINFO_SPEED_DOWNLOAD_T = CURLINFO_OFF_T + 9,
2478 CURLINFO_SPEED_UPLOAD = CURLINFO_DOUBLE + 10,
2479 CURLINFO_SPEED_UPLOAD_T = CURLINFO_OFF_T + 10,
2480 CURLINFO_HEADER_SIZE = CURLINFO_LONG + 11,
2481 CURLINFO_REQUEST_SIZE = CURLINFO_LONG + 12,
2482 CURLINFO_SSL_VERIFYRESULT = CURLINFO_LONG + 13,
2483 CURLINFO_FILETIME = CURLINFO_LONG + 14,
2484 CURLINFO_FILETIME_T = CURLINFO_OFF_T + 14,
2485 CURLINFO_CONTENT_LENGTH_DOWNLOAD = CURLINFO_DOUBLE + 15,
2486 CURLINFO_CONTENT_LENGTH_DOWNLOAD_T = CURLINFO_OFF_T + 15,
2487 CURLINFO_CONTENT_LENGTH_UPLOAD = CURLINFO_DOUBLE + 16,
2488 CURLINFO_CONTENT_LENGTH_UPLOAD_T = CURLINFO_OFF_T + 16,
2489 CURLINFO_STARTTRANSFER_TIME = CURLINFO_DOUBLE + 17,
2490 CURLINFO_CONTENT_TYPE = CURLINFO_STRING + 18,
2491 CURLINFO_REDIRECT_TIME = CURLINFO_DOUBLE + 19,
2492 CURLINFO_REDIRECT_COUNT = CURLINFO_LONG + 20,
2493 CURLINFO_PRIVATE = CURLINFO_STRING + 21,
2494 CURLINFO_HTTP_CONNECTCODE = CURLINFO_LONG + 22,
2495 CURLINFO_HTTPAUTH_AVAIL = CURLINFO_LONG + 23,
2496 CURLINFO_PROXYAUTH_AVAIL = CURLINFO_LONG + 24,
2497 CURLINFO_OS_ERRNO = CURLINFO_LONG + 25,
2498 CURLINFO_NUM_CONNECTS = CURLINFO_LONG + 26,
2499 CURLINFO_SSL_ENGINES = CURLINFO_SLIST + 27,
2500 CURLINFO_COOKIELIST = CURLINFO_SLIST + 28,
2501 CURLINFO_LASTSOCKET = CURLINFO_LONG + 29,
2502 CURLINFO_FTP_ENTRY_PATH = CURLINFO_STRING + 30,
2503 CURLINFO_REDIRECT_URL = CURLINFO_STRING + 31,
2504 CURLINFO_PRIMARY_IP = CURLINFO_STRING + 32,
2505 CURLINFO_APPCONNECT_TIME = CURLINFO_DOUBLE + 33,
2506 CURLINFO_CERTINFO = CURLINFO_PTR + 34,
2507 CURLINFO_CONDITION_UNMET = CURLINFO_LONG + 35,
2508 CURLINFO_RTSP_SESSION_ID = CURLINFO_STRING + 36,
2509 CURLINFO_RTSP_CLIENT_CSEQ = CURLINFO_LONG + 37,
2510 CURLINFO_RTSP_SERVER_CSEQ = CURLINFO_LONG + 38,
2511 CURLINFO_RTSP_CSEQ_RECV = CURLINFO_LONG + 39,
2512 CURLINFO_PRIMARY_PORT = CURLINFO_LONG + 40,
2513 CURLINFO_LOCAL_IP = CURLINFO_STRING + 41,
2514 CURLINFO_LOCAL_PORT = CURLINFO_LONG + 42,
2515 CURLINFO_TLS_SESSION = CURLINFO_PTR + 43,
2516 CURLINFO_ACTIVESOCKET = CURLINFO_SOCKET + 44,
2517 CURLINFO_TLS_SSL_PTR = CURLINFO_PTR + 45,
2518 CURLINFO_HTTP_VERSION = CURLINFO_LONG + 46,
2519 CURLINFO_PROXY_SSL_VERIFYRESULT = CURLINFO_LONG + 47,
2520 CURLINFO_PROTOCOL = CURLINFO_LONG + 48,
2521 CURLINFO_SCHEME = CURLINFO_STRING + 49,
2522 /* Fill in new entries below here! */
2524 CURLINFO_LASTONE = 49
2527 /* CURLINFO_RESPONSE_CODE is the new name for the option previously known as
2528 CURLINFO_HTTP_CODE */
2529 #define CURLINFO_HTTP_CODE CURLINFO_RESPONSE_CODE
2532 CURLCLOSEPOLICY_NONE, /* first, never use this */
2534 CURLCLOSEPOLICY_OLDEST,
2535 CURLCLOSEPOLICY_LEAST_RECENTLY_USED,
2536 CURLCLOSEPOLICY_LEAST_TRAFFIC,
2537 CURLCLOSEPOLICY_SLOWEST,
2538 CURLCLOSEPOLICY_CALLBACK,
2540 CURLCLOSEPOLICY_LAST /* last, never use this */
2543 #define CURL_GLOBAL_SSL (1<<0) /* no purpose since since 7.57.0 */
2544 #define CURL_GLOBAL_WIN32 (1<<1)
2545 #define CURL_GLOBAL_ALL (CURL_GLOBAL_SSL|CURL_GLOBAL_WIN32)
2546 #define CURL_GLOBAL_NOTHING 0
2547 #define CURL_GLOBAL_DEFAULT CURL_GLOBAL_ALL
2548 #define CURL_GLOBAL_ACK_EINTR (1<<2)
2551 /*****************************************************************************
2552 * Setup defines, protos etc for the sharing stuff.
2555 /* Different data locks for a single share */
2557 CURL_LOCK_DATA_NONE = 0,
2558 /* CURL_LOCK_DATA_SHARE is used internally to say that
2559 * the locking is just made to change the internal state of the share
2562 CURL_LOCK_DATA_SHARE,
2563 CURL_LOCK_DATA_COOKIE,
2565 CURL_LOCK_DATA_SSL_SESSION,
2566 CURL_LOCK_DATA_CONNECT,
2570 /* Different lock access types */
2572 CURL_LOCK_ACCESS_NONE = 0, /* unspecified action */
2573 CURL_LOCK_ACCESS_SHARED = 1, /* for read perhaps */
2574 CURL_LOCK_ACCESS_SINGLE = 2, /* for write perhaps */
2575 CURL_LOCK_ACCESS_LAST /* never use */
2578 typedef void (*curl_lock_function)(CURL *handle,
2579 curl_lock_data data,
2580 curl_lock_access locktype,
2582 typedef void (*curl_unlock_function)(CURL *handle,
2583 curl_lock_data data,
2588 CURLSHE_OK, /* all is fine */
2589 CURLSHE_BAD_OPTION, /* 1 */
2590 CURLSHE_IN_USE, /* 2 */
2591 CURLSHE_INVALID, /* 3 */
2592 CURLSHE_NOMEM, /* 4 out of memory */
2593 CURLSHE_NOT_BUILT_IN, /* 5 feature not present in lib */
2594 CURLSHE_LAST /* never use */
2598 CURLSHOPT_NONE, /* don't use */
2599 CURLSHOPT_SHARE, /* specify a data type to share */
2600 CURLSHOPT_UNSHARE, /* specify which data type to stop sharing */
2601 CURLSHOPT_LOCKFUNC, /* pass in a 'curl_lock_function' pointer */
2602 CURLSHOPT_UNLOCKFUNC, /* pass in a 'curl_unlock_function' pointer */
2603 CURLSHOPT_USERDATA, /* pass in a user data pointer used in the lock/unlock
2604 callback functions */
2605 CURLSHOPT_LAST /* never use */
2608 CURL_EXTERN CURLSH *curl_share_init(void);
2609 CURL_EXTERN CURLSHcode curl_share_setopt(CURLSH *, CURLSHoption option, ...);
2610 CURL_EXTERN CURLSHcode curl_share_cleanup(CURLSH *);
2612 /****************************************************************************
2613 * Structures for querying information about the curl library at runtime.
2622 CURLVERSION_LAST /* never actually use this */
2625 /* The 'CURLVERSION_NOW' is the symbolic name meant to be used by
2626 basically all programs ever that want to get version information. It is
2627 meant to be a built-in version number for what kind of struct the caller
2628 expects. If the struct ever changes, we redefine the NOW to another enum
2630 #define CURLVERSION_NOW CURLVERSION_FIFTH
2633 CURLversion age; /* age of the returned struct */
2634 const char *version; /* LIBCURL_VERSION */
2635 unsigned int version_num; /* LIBCURL_VERSION_NUM */
2636 const char *host; /* OS/host/cpu/machine when configured */
2637 int features; /* bitmask, see defines below */
2638 const char *ssl_version; /* human readable string */
2639 long ssl_version_num; /* not used anymore, always 0 */
2640 const char *libz_version; /* human readable string */
2641 /* protocols is terminated by an entry with a NULL protoname */
2642 const char * const *protocols;
2644 /* The fields below this were added in CURLVERSION_SECOND */
2648 /* This field was added in CURLVERSION_THIRD */
2651 /* These field were added in CURLVERSION_FOURTH */
2653 /* Same as '_libiconv_version' if built with HAVE_ICONV */
2656 const char *libssh_version; /* human readable string */
2658 /* These fields were added in CURLVERSION_FIFTH */
2660 unsigned int brotli_ver_num; /* Numeric Brotli version
2661 (MAJOR << 24) | (MINOR << 12) | PATCH */
2662 const char *brotli_version; /* human readable string. */
2664 } curl_version_info_data;
2666 #define CURL_VERSION_IPV6 (1<<0) /* IPv6-enabled */
2667 #define CURL_VERSION_KERBEROS4 (1<<1) /* Kerberos V4 auth is supported
2669 #define CURL_VERSION_SSL (1<<2) /* SSL options are present */
2670 #define CURL_VERSION_LIBZ (1<<3) /* libz features are present */
2671 #define CURL_VERSION_NTLM (1<<4) /* NTLM auth is supported */
2672 #define CURL_VERSION_GSSNEGOTIATE (1<<5) /* Negotiate auth is supported
2674 #define CURL_VERSION_DEBUG (1<<6) /* Built with debug capabilities */
2675 #define CURL_VERSION_ASYNCHDNS (1<<7) /* Asynchronous DNS resolves */
2676 #define CURL_VERSION_SPNEGO (1<<8) /* SPNEGO auth is supported */
2677 #define CURL_VERSION_LARGEFILE (1<<9) /* Supports files larger than 2GB */
2678 #define CURL_VERSION_IDN (1<<10) /* Internationized Domain Names are
2680 #define CURL_VERSION_SSPI (1<<11) /* Built against Windows SSPI */
2681 #define CURL_VERSION_CONV (1<<12) /* Character conversions supported */
2682 #define CURL_VERSION_CURLDEBUG (1<<13) /* Debug memory tracking supported */
2683 #define CURL_VERSION_TLSAUTH_SRP (1<<14) /* TLS-SRP auth is supported */
2684 #define CURL_VERSION_NTLM_WB (1<<15) /* NTLM delegation to winbind helper
2686 #define CURL_VERSION_HTTP2 (1<<16) /* HTTP2 support built-in */
2687 #define CURL_VERSION_GSSAPI (1<<17) /* Built against a GSS-API library */
2688 #define CURL_VERSION_KERBEROS5 (1<<18) /* Kerberos V5 auth is supported */
2689 #define CURL_VERSION_UNIX_SOCKETS (1<<19) /* Unix domain sockets support */
2690 #define CURL_VERSION_PSL (1<<20) /* Mozilla's Public Suffix List, used
2691 for cookie domain verification */
2692 #define CURL_VERSION_HTTPS_PROXY (1<<21) /* HTTPS-proxy support built-in */
2693 #define CURL_VERSION_MULTI_SSL (1<<22) /* Multiple SSL backends available */
2694 #define CURL_VERSION_BROTLI (1<<23) /* Brotli features are present. */
2697 * NAME curl_version_info()
2701 * This function returns a pointer to a static copy of the version info
2702 * struct. See above.
2704 CURL_EXTERN curl_version_info_data *curl_version_info(CURLversion);
2707 * NAME curl_easy_strerror()
2711 * The curl_easy_strerror function may be used to turn a CURLcode value
2712 * into the equivalent human readable error string. This is useful
2713 * for printing meaningful error messages.
2715 CURL_EXTERN const char *curl_easy_strerror(CURLcode);
2718 * NAME curl_share_strerror()
2722 * The curl_share_strerror function may be used to turn a CURLSHcode value
2723 * into the equivalent human readable error string. This is useful
2724 * for printing meaningful error messages.
2726 CURL_EXTERN const char *curl_share_strerror(CURLSHcode);
2729 * NAME curl_easy_pause()
2733 * The curl_easy_pause function pauses or unpauses transfers. Select the new
2734 * state by setting the bitmask, use the convenience defines below.
2737 CURL_EXTERN CURLcode curl_easy_pause(CURL *handle, int bitmask);
2739 #define CURLPAUSE_RECV (1<<0)
2740 #define CURLPAUSE_RECV_CONT (0)
2742 #define CURLPAUSE_SEND (1<<2)
2743 #define CURLPAUSE_SEND_CONT (0)
2745 #define CURLPAUSE_ALL (CURLPAUSE_RECV|CURLPAUSE_SEND)
2746 #define CURLPAUSE_CONT (CURLPAUSE_RECV_CONT|CURLPAUSE_SEND_CONT)
2752 /* unfortunately, the easy.h and multi.h include files need options and info
2753 stuff before they can be included! */
2754 #include "easy.h" /* nothing in curl is fun without the easy stuff */
2757 /* the typechecker doesn't work in C++ (yet) */
2758 #if defined(__GNUC__) && defined(__GNUC_MINOR__) && \
2759 ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && \
2760 !defined(__cplusplus) && !defined(CURL_DISABLE_TYPECHECK)
2761 #include "typecheck-gcc.h"
2763 #if defined(__STDC__) && (__STDC__ >= 1)
2764 /* This preprocessor magic that replaces a call with the exact same call is
2765 only done to make sure application authors pass exactly three arguments
2766 to these functions. */
2767 #define curl_easy_setopt(handle,opt,param) curl_easy_setopt(handle,opt,param)
2768 #define curl_easy_getinfo(handle,info,arg) curl_easy_getinfo(handle,info,arg)
2769 #define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
2770 #define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
2771 #endif /* __STDC__ >= 1 */
2772 #endif /* gcc >= 4.3 && !__cplusplus */
2774 #endif /* __CURL_CURL_H */