3 /***************************************************************************
5 * Project ___| | | | _ \| |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
10 * Copyright (C) 1998 - 2022, 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.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.se/libcurl/
34 #include "curlver.h" /* libcurl version defines */
35 #include "system.h" /* determine things run-time */
38 * Define CURL_WIN32 when build target is Win32 API
41 #if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) && \
42 !defined(__SYMBIAN32__)
49 #if (defined(__FreeBSD__) && (__FreeBSD__ >= 2)) || defined(__MidnightBSD__)
50 /* Needed for __FreeBSD_version or __MidnightBSD_version symbol definition */
51 #include <osreldate.h>
54 /* The include stuff here below is mainly for time_t! */
55 #include <sys/types.h>
58 #if defined(CURL_WIN32) && !defined(_WIN32_WCE) && !defined(__CYGWIN__)
59 #if !(defined(_WINSOCKAPI_) || defined(_WINSOCK_H) || \
60 defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H))
61 /* The check above prevents the winsock2 inclusion if winsock.h already was
62 included, since they can't co-exist without problems */
68 /* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
69 libc5-based Linux systems. Only include it on systems that are known to
71 #if defined(_AIX) || defined(__NOVELL_LIBC__) || defined(__NetBSD__) || \
72 defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY) || \
73 defined(ANDROID) || defined(__ANDROID__) || defined(__OpenBSD__) || \
74 defined(__CYGWIN__) || defined(AMIGA) || defined(__NuttX__) || \
75 (defined(__FreeBSD_version) && (__FreeBSD_version < 800000)) || \
76 (defined(__MidnightBSD_version) && (__MidnightBSD_version < 100000))
77 #include <sys/select.h>
80 #if !defined(CURL_WIN32) && !defined(_WIN32_WCE)
81 #include <sys/socket.h>
84 #if !defined(CURL_WIN32)
88 /* Compatibility for non-Clang compilers */
89 #ifndef __has_declspec_attribute
90 # define __has_declspec_attribute(x) 0
97 #if defined(BUILDING_LIBCURL) || defined(CURL_STRICTER)
98 typedef struct Curl_easy CURL;
99 typedef struct Curl_share CURLSH;
106 * libcurl external API function linkage decorations.
109 #ifdef CURL_STATICLIB
111 #elif defined(CURL_WIN32) || defined(__SYMBIAN32__) || \
112 (__has_declspec_attribute(dllexport) && \
113 __has_declspec_attribute(dllimport))
114 # if defined(BUILDING_LIBCURL)
115 # define CURL_EXTERN __declspec(dllexport)
117 # define CURL_EXTERN __declspec(dllimport)
119 #elif defined(BUILDING_LIBCURL) && defined(CURL_HIDDEN_SYMBOLS)
120 # define CURL_EXTERN CURL_EXTERN_SYMBOL
125 #ifndef curl_socket_typedef
127 #if defined(CURL_WIN32) && !defined(__LWIP_OPT_H__) && !defined(LWIP_HDR_OPT_H)
128 typedef SOCKET curl_socket_t;
129 #define CURL_SOCKET_BAD INVALID_SOCKET
131 typedef int curl_socket_t;
132 #define CURL_SOCKET_BAD -1
134 #define curl_socket_typedef
135 #endif /* curl_socket_typedef */
137 /* enum for the different supported SSL backends */
139 CURLSSLBACKEND_NONE = 0,
140 CURLSSLBACKEND_OPENSSL = 1,
141 CURLSSLBACKEND_GNUTLS = 2,
142 CURLSSLBACKEND_NSS = 3,
143 CURLSSLBACKEND_OBSOLETE4 = 4, /* Was QSOSSL. */
144 CURLSSLBACKEND_GSKIT = 5,
145 CURLSSLBACKEND_POLARSSL = 6,
146 CURLSSLBACKEND_WOLFSSL = 7,
147 CURLSSLBACKEND_SCHANNEL = 8,
148 CURLSSLBACKEND_SECURETRANSPORT = 9,
149 CURLSSLBACKEND_AXTLS = 10, /* never used since 7.63.0 */
150 CURLSSLBACKEND_MBEDTLS = 11,
151 CURLSSLBACKEND_MESALINK = 12,
152 CURLSSLBACKEND_BEARSSL = 13,
153 CURLSSLBACKEND_RUSTLS = 14
156 /* aliases for library clones and renames */
157 #define CURLSSLBACKEND_LIBRESSL CURLSSLBACKEND_OPENSSL
158 #define CURLSSLBACKEND_BORINGSSL CURLSSLBACKEND_OPENSSL
160 /* deprecated names: */
161 #define CURLSSLBACKEND_CYASSL CURLSSLBACKEND_WOLFSSL
162 #define CURLSSLBACKEND_DARWINSSL CURLSSLBACKEND_SECURETRANSPORT
164 struct curl_httppost {
165 struct curl_httppost *next; /* next entry in the list */
166 char *name; /* pointer to allocated name */
167 long namelength; /* length of name length */
168 char *contents; /* pointer to allocated data contents */
169 long contentslength; /* length of contents field, see also
170 CURL_HTTPPOST_LARGE */
171 char *buffer; /* pointer to allocated buffer contents */
172 long bufferlength; /* length of buffer field */
173 char *contenttype; /* Content-Type */
174 struct curl_slist *contentheader; /* list of extra headers for this form */
175 struct curl_httppost *more; /* if one field name has more than one
176 file, this link should link to following
178 long flags; /* as defined below */
180 /* specified content is a file name */
181 #define CURL_HTTPPOST_FILENAME (1<<0)
182 /* specified content is a file name */
183 #define CURL_HTTPPOST_READFILE (1<<1)
184 /* name is only stored pointer do not free in formfree */
185 #define CURL_HTTPPOST_PTRNAME (1<<2)
186 /* contents is only stored pointer do not free in formfree */
187 #define CURL_HTTPPOST_PTRCONTENTS (1<<3)
188 /* upload file from buffer */
189 #define CURL_HTTPPOST_BUFFER (1<<4)
190 /* upload file from pointer contents */
191 #define CURL_HTTPPOST_PTRBUFFER (1<<5)
192 /* upload file contents by using the regular read callback to get the data and
193 pass the given pointer as custom pointer */
194 #define CURL_HTTPPOST_CALLBACK (1<<6)
195 /* use size in 'contentlen', added in 7.46.0 */
196 #define CURL_HTTPPOST_LARGE (1<<7)
198 char *showfilename; /* The file name to show. If not set, the
199 actual file name will be used (if this
201 void *userp; /* custom pointer used for
202 HTTPPOST_CALLBACK posts */
203 curl_off_t contentlen; /* alternative length of contents
204 field. Used if CURL_HTTPPOST_LARGE is
205 set. Added in 7.46.0 */
209 /* This is a return code for the progress callback that, when returned, will
210 signal libcurl to continue executing the default progress function */
211 #define CURL_PROGRESSFUNC_CONTINUE 0x10000001
213 /* This is the CURLOPT_PROGRESSFUNCTION callback prototype. It is now
214 considered deprecated but was the only choice up until 7.31.0 */
215 typedef int (*curl_progress_callback)(void *clientp,
221 /* This is the CURLOPT_XFERINFOFUNCTION callback prototype. It was introduced
222 in 7.32.0, avoids the use of floating point numbers and provides more
223 detailed information. */
224 typedef int (*curl_xferinfo_callback)(void *clientp,
230 #ifndef CURL_MAX_READ_SIZE
231 /* The maximum receive buffer size configurable via CURLOPT_BUFFERSIZE. */
232 #define CURL_MAX_READ_SIZE 524288
235 #ifndef CURL_MAX_WRITE_SIZE
236 /* Tests have proven that 20K is a very bad buffer size for uploads on
237 Windows, while 16K for some odd reason performed a lot better.
238 We do the ifndef check to allow this value to easier be changed at build
239 time for those who feel adventurous. The practical minimum is about
240 400 bytes since libcurl uses a buffer of this size as a scratch area
241 (unrelated to network send operations). */
242 #define CURL_MAX_WRITE_SIZE 16384
245 #ifndef CURL_MAX_HTTP_HEADER
246 /* The only reason to have a max limit for this is to avoid the risk of a bad
247 server feeding libcurl with a never-ending header that will cause reallocs
249 #define CURL_MAX_HTTP_HEADER (100*1024)
252 /* This is a magic return code for the write callback that, when returned,
253 will signal libcurl to pause receiving on the current transfer. */
254 #define CURL_WRITEFUNC_PAUSE 0x10000001
256 typedef size_t (*curl_write_callback)(char *buffer,
261 /* This callback will be called when a new resolver request is made */
262 typedef int (*curl_resolver_start_callback)(void *resolver_state,
263 void *reserved, void *userdata);
265 /* enumeration of file types */
267 CURLFILETYPE_FILE = 0,
268 CURLFILETYPE_DIRECTORY,
269 CURLFILETYPE_SYMLINK,
270 CURLFILETYPE_DEVICE_BLOCK,
271 CURLFILETYPE_DEVICE_CHAR,
272 CURLFILETYPE_NAMEDPIPE,
274 CURLFILETYPE_DOOR, /* is possible only on Sun Solaris now */
276 CURLFILETYPE_UNKNOWN /* should never occur */
279 #define CURLFINFOFLAG_KNOWN_FILENAME (1<<0)
280 #define CURLFINFOFLAG_KNOWN_FILETYPE (1<<1)
281 #define CURLFINFOFLAG_KNOWN_TIME (1<<2)
282 #define CURLFINFOFLAG_KNOWN_PERM (1<<3)
283 #define CURLFINFOFLAG_KNOWN_UID (1<<4)
284 #define CURLFINFOFLAG_KNOWN_GID (1<<5)
285 #define CURLFINFOFLAG_KNOWN_SIZE (1<<6)
286 #define CURLFINFOFLAG_KNOWN_HLINKCOUNT (1<<7)
288 /* Information about a single file, used when doing FTP wildcard matching */
289 struct curl_fileinfo {
291 curlfiletype filetype;
292 time_t time; /* always zero! */
300 /* If some of these fields is not NULL, it is a pointer to b_data. */
305 char *target; /* pointer to the target filename of a symlink */
310 /* used internally */
316 /* return codes for CURLOPT_CHUNK_BGN_FUNCTION */
317 #define CURL_CHUNK_BGN_FUNC_OK 0
318 #define CURL_CHUNK_BGN_FUNC_FAIL 1 /* tell the lib to end the task */
319 #define CURL_CHUNK_BGN_FUNC_SKIP 2 /* skip this chunk over */
321 /* if splitting of data transfer is enabled, this callback is called before
322 download of an individual chunk started. Note that parameter "remains" works
323 only for FTP wildcard downloading (for now), otherwise is not used */
324 typedef long (*curl_chunk_bgn_callback)(const void *transfer_info,
328 /* return codes for CURLOPT_CHUNK_END_FUNCTION */
329 #define CURL_CHUNK_END_FUNC_OK 0
330 #define CURL_CHUNK_END_FUNC_FAIL 1 /* tell the lib to end the task */
332 /* If splitting of data transfer is enabled this callback is called after
333 download of an individual chunk finished.
334 Note! After this callback was set then it have to be called FOR ALL chunks.
335 Even if downloading of this chunk was skipped in CHUNK_BGN_FUNC.
336 This is the reason why we don't need "transfer_info" parameter in this
337 callback and we are not interested in "remains" parameter too. */
338 typedef long (*curl_chunk_end_callback)(void *ptr);
340 /* return codes for FNMATCHFUNCTION */
341 #define CURL_FNMATCHFUNC_MATCH 0 /* string corresponds to the pattern */
342 #define CURL_FNMATCHFUNC_NOMATCH 1 /* pattern doesn't match the string */
343 #define CURL_FNMATCHFUNC_FAIL 2 /* an error occurred */
345 /* callback type for wildcard downloading pattern matching. If the
346 string matches the pattern, return CURL_FNMATCHFUNC_MATCH value, etc. */
347 typedef int (*curl_fnmatch_callback)(void *ptr,
351 /* These are the return codes for the seek callbacks */
352 #define CURL_SEEKFUNC_OK 0
353 #define CURL_SEEKFUNC_FAIL 1 /* fail the entire transfer */
354 #define CURL_SEEKFUNC_CANTSEEK 2 /* tell libcurl seeking can't be done, so
355 libcurl might try other means instead */
356 typedef int (*curl_seek_callback)(void *instream,
358 int origin); /* 'whence' */
360 /* This is a return code for the read callback that, when returned, will
361 signal libcurl to immediately abort the current transfer. */
362 #define CURL_READFUNC_ABORT 0x10000000
363 /* This is a return code for the read callback that, when returned, will
364 signal libcurl to pause sending data on the current transfer. */
365 #define CURL_READFUNC_PAUSE 0x10000001
367 /* Return code for when the trailing headers' callback has terminated
369 #define CURL_TRAILERFUNC_OK 0
370 /* Return code for when was an error in the trailing header's list and we
371 want to abort the request */
372 #define CURL_TRAILERFUNC_ABORT 1
374 typedef size_t (*curl_read_callback)(char *buffer,
379 typedef int (*curl_trailer_callback)(struct curl_slist **list,
383 CURLSOCKTYPE_IPCXN, /* socket created for a specific IP connection */
384 CURLSOCKTYPE_ACCEPT, /* socket created by accept() call */
385 CURLSOCKTYPE_LAST /* never use */
388 /* The return code from the sockopt_callback can signal information back
390 #define CURL_SOCKOPT_OK 0
391 #define CURL_SOCKOPT_ERROR 1 /* causes libcurl to abort and return
392 CURLE_ABORTED_BY_CALLBACK */
393 #define CURL_SOCKOPT_ALREADY_CONNECTED 2
395 typedef int (*curl_sockopt_callback)(void *clientp,
396 curl_socket_t curlfd,
397 curlsocktype purpose);
399 struct curl_sockaddr {
403 unsigned int addrlen; /* addrlen was a socklen_t type before 7.18.0 but it
404 turned really ugly and painful on the systems that
406 struct sockaddr addr;
409 typedef curl_socket_t
410 (*curl_opensocket_callback)(void *clientp,
411 curlsocktype purpose,
412 struct curl_sockaddr *address);
415 (*curl_closesocket_callback)(void *clientp, curl_socket_t item);
418 CURLIOE_OK, /* I/O operation successful */
419 CURLIOE_UNKNOWNCMD, /* command was unknown to callback */
420 CURLIOE_FAILRESTART, /* failed to restart the read */
421 CURLIOE_LAST /* never use */
425 CURLIOCMD_NOP, /* no operation */
426 CURLIOCMD_RESTARTREAD, /* restart the read stream from start */
427 CURLIOCMD_LAST /* never use */
430 typedef curlioerr (*curl_ioctl_callback)(CURL *handle,
434 #ifndef CURL_DID_MEMORY_FUNC_TYPEDEFS
436 * The following typedef's are signatures of malloc, free, realloc, strdup and
437 * calloc respectively. Function pointers of these types can be passed to the
438 * curl_global_init_mem() function to set user defined memory management
441 typedef void *(*curl_malloc_callback)(size_t size);
442 typedef void (*curl_free_callback)(void *ptr);
443 typedef void *(*curl_realloc_callback)(void *ptr, size_t size);
444 typedef char *(*curl_strdup_callback)(const char *str);
445 typedef void *(*curl_calloc_callback)(size_t nmemb, size_t size);
447 #define CURL_DID_MEMORY_FUNC_TYPEDEFS
450 /* the kind of data that is passed to information_callback*/
453 CURLINFO_HEADER_IN, /* 1 */
454 CURLINFO_HEADER_OUT, /* 2 */
455 CURLINFO_DATA_IN, /* 3 */
456 CURLINFO_DATA_OUT, /* 4 */
457 CURLINFO_SSL_DATA_IN, /* 5 */
458 CURLINFO_SSL_DATA_OUT, /* 6 */
462 typedef int (*curl_debug_callback)
463 (CURL *handle, /* the handle/transfer this concerns */
464 curl_infotype type, /* what kind of data */
465 char *data, /* points to the data */
466 size_t size, /* size of the data pointed to */
467 void *userptr); /* whatever the user please */
469 /* This is the CURLOPT_PREREQFUNCTION callback prototype. */
470 typedef int (*curl_prereq_callback)(void *clientp,
471 char *conn_primary_ip,
473 int conn_primary_port,
474 int conn_local_port);
476 /* Return code for when the pre-request callback has terminated without
478 #define CURL_PREREQFUNC_OK 0
479 /* Return code for when the pre-request callback wants to abort the
481 #define CURL_PREREQFUNC_ABORT 1
483 /* All possible error codes from all sorts of curl functions. Future versions
484 may return other values, stay prepared.
486 Always add new return codes last. Never *EVER* remove any. The return
487 codes must remain the same!
492 CURLE_UNSUPPORTED_PROTOCOL, /* 1 */
493 CURLE_FAILED_INIT, /* 2 */
494 CURLE_URL_MALFORMAT, /* 3 */
495 CURLE_NOT_BUILT_IN, /* 4 - [was obsoleted in August 2007 for
496 7.17.0, reused in April 2011 for 7.21.5] */
497 CURLE_COULDNT_RESOLVE_PROXY, /* 5 */
498 CURLE_COULDNT_RESOLVE_HOST, /* 6 */
499 CURLE_COULDNT_CONNECT, /* 7 */
500 CURLE_WEIRD_SERVER_REPLY, /* 8 */
501 CURLE_REMOTE_ACCESS_DENIED, /* 9 a service was denied by the server
502 due to lack of access - when login fails
503 this is not returned. */
504 CURLE_FTP_ACCEPT_FAILED, /* 10 - [was obsoleted in April 2006 for
505 7.15.4, reused in Dec 2011 for 7.24.0]*/
506 CURLE_FTP_WEIRD_PASS_REPLY, /* 11 */
507 CURLE_FTP_ACCEPT_TIMEOUT, /* 12 - timeout occurred accepting server
508 [was obsoleted in August 2007 for 7.17.0,
509 reused in Dec 2011 for 7.24.0]*/
510 CURLE_FTP_WEIRD_PASV_REPLY, /* 13 */
511 CURLE_FTP_WEIRD_227_FORMAT, /* 14 */
512 CURLE_FTP_CANT_GET_HOST, /* 15 */
513 CURLE_HTTP2, /* 16 - A problem in the http2 framing layer.
514 [was obsoleted in August 2007 for 7.17.0,
515 reused in July 2014 for 7.38.0] */
516 CURLE_FTP_COULDNT_SET_TYPE, /* 17 */
517 CURLE_PARTIAL_FILE, /* 18 */
518 CURLE_FTP_COULDNT_RETR_FILE, /* 19 */
519 CURLE_OBSOLETE20, /* 20 - NOT USED */
520 CURLE_QUOTE_ERROR, /* 21 - quote command failure */
521 CURLE_HTTP_RETURNED_ERROR, /* 22 */
522 CURLE_WRITE_ERROR, /* 23 */
523 CURLE_OBSOLETE24, /* 24 - NOT USED */
524 CURLE_UPLOAD_FAILED, /* 25 - failed upload "command" */
525 CURLE_READ_ERROR, /* 26 - couldn't open/read from file */
526 CURLE_OUT_OF_MEMORY, /* 27 */
527 CURLE_OPERATION_TIMEDOUT, /* 28 - the timeout time was reached */
528 CURLE_OBSOLETE29, /* 29 - NOT USED */
529 CURLE_FTP_PORT_FAILED, /* 30 - FTP PORT operation failed */
530 CURLE_FTP_COULDNT_USE_REST, /* 31 - the REST command failed */
531 CURLE_OBSOLETE32, /* 32 - NOT USED */
532 CURLE_RANGE_ERROR, /* 33 - RANGE "command" didn't work */
533 CURLE_HTTP_POST_ERROR, /* 34 */
534 CURLE_SSL_CONNECT_ERROR, /* 35 - wrong when connecting with SSL */
535 CURLE_BAD_DOWNLOAD_RESUME, /* 36 - couldn't resume download */
536 CURLE_FILE_COULDNT_READ_FILE, /* 37 */
537 CURLE_LDAP_CANNOT_BIND, /* 38 */
538 CURLE_LDAP_SEARCH_FAILED, /* 39 */
539 CURLE_OBSOLETE40, /* 40 - NOT USED */
540 CURLE_FUNCTION_NOT_FOUND, /* 41 - NOT USED starting with 7.53.0 */
541 CURLE_ABORTED_BY_CALLBACK, /* 42 */
542 CURLE_BAD_FUNCTION_ARGUMENT, /* 43 */
543 CURLE_OBSOLETE44, /* 44 - NOT USED */
544 CURLE_INTERFACE_FAILED, /* 45 - CURLOPT_INTERFACE failed */
545 CURLE_OBSOLETE46, /* 46 - NOT USED */
546 CURLE_TOO_MANY_REDIRECTS, /* 47 - catch endless re-direct loops */
547 CURLE_UNKNOWN_OPTION, /* 48 - User specified an unknown option */
548 CURLE_SETOPT_OPTION_SYNTAX, /* 49 - Malformed setopt option */
549 CURLE_OBSOLETE50, /* 50 - NOT USED */
550 CURLE_OBSOLETE51, /* 51 - NOT USED */
551 CURLE_GOT_NOTHING, /* 52 - when this is a specific error */
552 CURLE_SSL_ENGINE_NOTFOUND, /* 53 - SSL crypto engine not found */
553 CURLE_SSL_ENGINE_SETFAILED, /* 54 - can not set SSL crypto engine as
555 CURLE_SEND_ERROR, /* 55 - failed sending network data */
556 CURLE_RECV_ERROR, /* 56 - failure in receiving network data */
557 CURLE_OBSOLETE57, /* 57 - NOT IN USE */
558 CURLE_SSL_CERTPROBLEM, /* 58 - problem with the local certificate */
559 CURLE_SSL_CIPHER, /* 59 - couldn't use specified cipher */
560 CURLE_PEER_FAILED_VERIFICATION, /* 60 - peer's certificate or fingerprint
561 wasn't verified fine */
562 CURLE_BAD_CONTENT_ENCODING, /* 61 - Unrecognized/bad encoding */
563 CURLE_OBSOLETE62, /* 62 - NOT IN USE since 7.82.0 */
564 CURLE_FILESIZE_EXCEEDED, /* 63 - Maximum file size exceeded */
565 CURLE_USE_SSL_FAILED, /* 64 - Requested FTP SSL level failed */
566 CURLE_SEND_FAIL_REWIND, /* 65 - Sending the data requires a rewind
568 CURLE_SSL_ENGINE_INITFAILED, /* 66 - failed to initialise ENGINE */
569 CURLE_LOGIN_DENIED, /* 67 - user, password or similar was not
570 accepted and we failed to login */
571 CURLE_TFTP_NOTFOUND, /* 68 - file not found on server */
572 CURLE_TFTP_PERM, /* 69 - permission problem on server */
573 CURLE_REMOTE_DISK_FULL, /* 70 - out of disk space on server */
574 CURLE_TFTP_ILLEGAL, /* 71 - Illegal TFTP operation */
575 CURLE_TFTP_UNKNOWNID, /* 72 - Unknown transfer ID */
576 CURLE_REMOTE_FILE_EXISTS, /* 73 - File already exists */
577 CURLE_TFTP_NOSUCHUSER, /* 74 - No such user */
578 CURLE_CONV_FAILED, /* 75 - conversion failed */
579 CURLE_OBSOLETE76, /* 76 - NOT IN USE since 7.82.0 */
580 CURLE_SSL_CACERT_BADFILE, /* 77 - could not load CACERT file, missing
582 CURLE_REMOTE_FILE_NOT_FOUND, /* 78 - remote file not found */
583 CURLE_SSH, /* 79 - error from the SSH layer, somewhat
584 generic so the error message will be of
585 interest when this has happened */
587 CURLE_SSL_SHUTDOWN_FAILED, /* 80 - Failed to shut down the SSL
589 CURLE_AGAIN, /* 81 - socket is not ready for send/recv,
590 wait till it's ready and try again (Added
592 CURLE_SSL_CRL_BADFILE, /* 82 - could not load CRL file, missing or
593 wrong format (Added in 7.19.0) */
594 CURLE_SSL_ISSUER_ERROR, /* 83 - Issuer check failed. (Added in
596 CURLE_FTP_PRET_FAILED, /* 84 - a PRET command failed */
597 CURLE_RTSP_CSEQ_ERROR, /* 85 - mismatch of RTSP CSeq numbers */
598 CURLE_RTSP_SESSION_ERROR, /* 86 - mismatch of RTSP Session Ids */
599 CURLE_FTP_BAD_FILE_LIST, /* 87 - unable to parse FTP file list */
600 CURLE_CHUNK_FAILED, /* 88 - chunk callback reported error */
601 CURLE_NO_CONNECTION_AVAILABLE, /* 89 - No connection available, the
602 session will be queued */
603 CURLE_SSL_PINNEDPUBKEYNOTMATCH, /* 90 - specified pinned public key did not
605 CURLE_SSL_INVALIDCERTSTATUS, /* 91 - invalid certificate status */
606 CURLE_HTTP2_STREAM, /* 92 - stream error in HTTP/2 framing layer
608 CURLE_RECURSIVE_API_CALL, /* 93 - an api function was called from
610 CURLE_AUTH_ERROR, /* 94 - an authentication function returned an
612 CURLE_HTTP3, /* 95 - An HTTP/3 layer problem */
613 CURLE_QUIC_CONNECT_ERROR, /* 96 - QUIC connection error */
614 CURLE_PROXY, /* 97 - proxy handshake error */
615 CURLE_SSL_CLIENTCERT, /* 98 - client-side certificate required */
616 CURL_LAST /* never use! */
619 #ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
620 the obsolete stuff removed! */
622 /* Previously obsolete error code re-used in 7.38.0 */
623 #define CURLE_OBSOLETE16 CURLE_HTTP2
625 /* Previously obsolete error codes re-used in 7.24.0 */
626 #define CURLE_OBSOLETE10 CURLE_FTP_ACCEPT_FAILED
627 #define CURLE_OBSOLETE12 CURLE_FTP_ACCEPT_TIMEOUT
629 /* compatibility with older names */
630 #define CURLOPT_ENCODING CURLOPT_ACCEPT_ENCODING
631 #define CURLE_FTP_WEIRD_SERVER_REPLY CURLE_WEIRD_SERVER_REPLY
633 /* The following were added in 7.62.0 */
634 #define CURLE_SSL_CACERT CURLE_PEER_FAILED_VERIFICATION
636 /* The following were added in 7.21.5, April 2011 */
637 #define CURLE_UNKNOWN_TELNET_OPTION CURLE_UNKNOWN_OPTION
639 /* Added for 7.78.0 */
640 #define CURLE_TELNET_OPTION_SYNTAX CURLE_SETOPT_OPTION_SYNTAX
642 /* The following were added in 7.17.1 */
643 /* These are scheduled to disappear by 2009 */
644 #define CURLE_SSL_PEER_CERTIFICATE CURLE_PEER_FAILED_VERIFICATION
646 /* The following were added in 7.17.0 */
647 /* These are scheduled to disappear by 2009 */
648 #define CURLE_OBSOLETE CURLE_OBSOLETE50 /* no one should be using this! */
649 #define CURLE_BAD_PASSWORD_ENTERED CURLE_OBSOLETE46
650 #define CURLE_BAD_CALLING_ORDER CURLE_OBSOLETE44
651 #define CURLE_FTP_USER_PASSWORD_INCORRECT CURLE_OBSOLETE10
652 #define CURLE_FTP_CANT_RECONNECT CURLE_OBSOLETE16
653 #define CURLE_FTP_COULDNT_GET_SIZE CURLE_OBSOLETE32
654 #define CURLE_FTP_COULDNT_SET_ASCII CURLE_OBSOLETE29
655 #define CURLE_FTP_WEIRD_USER_REPLY CURLE_OBSOLETE12
656 #define CURLE_FTP_WRITE_ERROR CURLE_OBSOLETE20
657 #define CURLE_LIBRARY_NOT_FOUND CURLE_OBSOLETE40
658 #define CURLE_MALFORMAT_USER CURLE_OBSOLETE24
659 #define CURLE_SHARE_IN_USE CURLE_OBSOLETE57
660 #define CURLE_URL_MALFORMAT_USER CURLE_NOT_BUILT_IN
662 #define CURLE_FTP_ACCESS_DENIED CURLE_REMOTE_ACCESS_DENIED
663 #define CURLE_FTP_COULDNT_SET_BINARY CURLE_FTP_COULDNT_SET_TYPE
664 #define CURLE_FTP_QUOTE_ERROR CURLE_QUOTE_ERROR
665 #define CURLE_TFTP_DISKFULL CURLE_REMOTE_DISK_FULL
666 #define CURLE_TFTP_EXISTS CURLE_REMOTE_FILE_EXISTS
667 #define CURLE_HTTP_RANGE_ERROR CURLE_RANGE_ERROR
668 #define CURLE_FTP_SSL_FAILED CURLE_USE_SSL_FAILED
670 /* The following were added earlier */
672 #define CURLE_OPERATION_TIMEOUTED CURLE_OPERATION_TIMEDOUT
673 #define CURLE_HTTP_NOT_FOUND CURLE_HTTP_RETURNED_ERROR
674 #define CURLE_HTTP_PORT_FAILED CURLE_INTERFACE_FAILED
675 #define CURLE_FTP_COULDNT_STOR_FILE CURLE_UPLOAD_FAILED
676 #define CURLE_FTP_PARTIAL_FILE CURLE_PARTIAL_FILE
677 #define CURLE_FTP_BAD_DOWNLOAD_RESUME CURLE_BAD_DOWNLOAD_RESUME
678 #define CURLE_LDAP_INVALID_URL CURLE_OBSOLETE62
679 #define CURLE_CONV_REQD CURLE_OBSOLETE76
681 /* This was the error code 50 in 7.7.3 and a few earlier versions, this
682 is no longer used by libcurl but is instead #defined here only to not
683 make programs break */
684 #define CURLE_ALREADY_COMPLETE 99999
686 /* Provide defines for really old option names */
687 #define CURLOPT_FILE CURLOPT_WRITEDATA /* name changed in 7.9.7 */
688 #define CURLOPT_INFILE CURLOPT_READDATA /* name changed in 7.9.7 */
689 #define CURLOPT_WRITEHEADER CURLOPT_HEADERDATA
691 /* Since long deprecated options with no code in the lib that does anything
693 #define CURLOPT_WRITEINFO CURLOPT_OBSOLETE40
694 #define CURLOPT_CLOSEPOLICY CURLOPT_OBSOLETE72
696 #endif /*!CURL_NO_OLDIES*/
699 * Proxy error codes. Returned in CURLINFO_PROXY_ERROR if CURLE_PROXY was
700 * return for the transfers.
704 CURLPX_BAD_ADDRESS_TYPE,
708 CURLPX_GSSAPI_PERMSG,
709 CURLPX_GSSAPI_PROTECTION,
711 CURLPX_IDENTD_DIFFER,
712 CURLPX_LONG_HOSTNAME,
720 CURLPX_REPLY_ADDRESS_TYPE_NOT_SUPPORTED,
721 CURLPX_REPLY_COMMAND_NOT_SUPPORTED,
722 CURLPX_REPLY_CONNECTION_REFUSED,
723 CURLPX_REPLY_GENERAL_SERVER_FAILURE,
724 CURLPX_REPLY_HOST_UNREACHABLE,
725 CURLPX_REPLY_NETWORK_UNREACHABLE,
726 CURLPX_REPLY_NOT_ALLOWED,
727 CURLPX_REPLY_TTL_EXPIRED,
728 CURLPX_REPLY_UNASSIGNED,
729 CURLPX_REQUEST_FAILED,
736 CURLPX_USER_REJECTED,
737 CURLPX_LAST /* never use */
740 /* This prototype applies to all conversion callbacks */
741 typedef CURLcode (*curl_conv_callback)(char *buffer, size_t length);
743 typedef CURLcode (*curl_ssl_ctx_callback)(CURL *curl, /* easy handle */
744 void *ssl_ctx, /* actually an OpenSSL
747 mbedtls_ssl_config */
751 CURLPROXY_HTTP = 0, /* added in 7.10, new in 7.19.4 default is to use
753 CURLPROXY_HTTP_1_0 = 1, /* added in 7.19.4, force to use CONNECT
755 CURLPROXY_HTTPS = 2, /* added in 7.52.0 */
756 CURLPROXY_SOCKS4 = 4, /* support added in 7.15.2, enum existed already
758 CURLPROXY_SOCKS5 = 5, /* added in 7.10 */
759 CURLPROXY_SOCKS4A = 6, /* added in 7.18.0 */
760 CURLPROXY_SOCKS5_HOSTNAME = 7 /* Use the SOCKS5 protocol but pass along the
761 host name rather than the IP address. added
763 } curl_proxytype; /* this enum was added in 7.10 */
766 * Bitmasks for CURLOPT_HTTPAUTH and CURLOPT_PROXYAUTH options:
768 * CURLAUTH_NONE - No HTTP authentication
769 * CURLAUTH_BASIC - HTTP Basic authentication (default)
770 * CURLAUTH_DIGEST - HTTP Digest authentication
771 * CURLAUTH_NEGOTIATE - HTTP Negotiate (SPNEGO) authentication
772 * CURLAUTH_GSSNEGOTIATE - Alias for CURLAUTH_NEGOTIATE (deprecated)
773 * CURLAUTH_NTLM - HTTP NTLM authentication
774 * CURLAUTH_DIGEST_IE - HTTP Digest authentication with IE flavour
775 * CURLAUTH_NTLM_WB - HTTP NTLM authentication delegated to winbind helper
776 * CURLAUTH_BEARER - HTTP Bearer token authentication
777 * CURLAUTH_ONLY - Use together with a single other type to force no
778 * authentication or just that single type
779 * CURLAUTH_ANY - All fine types set
780 * CURLAUTH_ANYSAFE - All fine types except Basic
783 #define CURLAUTH_NONE ((unsigned long)0)
784 #define CURLAUTH_BASIC (((unsigned long)1)<<0)
785 #define CURLAUTH_DIGEST (((unsigned long)1)<<1)
786 #define CURLAUTH_NEGOTIATE (((unsigned long)1)<<2)
787 /* Deprecated since the advent of CURLAUTH_NEGOTIATE */
788 #define CURLAUTH_GSSNEGOTIATE CURLAUTH_NEGOTIATE
789 /* Used for CURLOPT_SOCKS5_AUTH to stay terminologically correct */
790 #define CURLAUTH_GSSAPI CURLAUTH_NEGOTIATE
791 #define CURLAUTH_NTLM (((unsigned long)1)<<3)
792 #define CURLAUTH_DIGEST_IE (((unsigned long)1)<<4)
793 #define CURLAUTH_NTLM_WB (((unsigned long)1)<<5)
794 #define CURLAUTH_BEARER (((unsigned long)1)<<6)
795 #define CURLAUTH_AWS_SIGV4 (((unsigned long)1)<<7)
796 #define CURLAUTH_ONLY (((unsigned long)1)<<31)
797 #define CURLAUTH_ANY (~CURLAUTH_DIGEST_IE)
798 #define CURLAUTH_ANYSAFE (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
800 #define CURLSSH_AUTH_ANY ~0 /* all types supported by the server */
801 #define CURLSSH_AUTH_NONE 0 /* none allowed, silly but complete */
802 #define CURLSSH_AUTH_PUBLICKEY (1<<0) /* public/private key files */
803 #define CURLSSH_AUTH_PASSWORD (1<<1) /* password */
804 #define CURLSSH_AUTH_HOST (1<<2) /* host key files */
805 #define CURLSSH_AUTH_KEYBOARD (1<<3) /* keyboard interactive */
806 #define CURLSSH_AUTH_AGENT (1<<4) /* agent (ssh-agent, pageant...) */
807 #define CURLSSH_AUTH_GSSAPI (1<<5) /* gssapi (kerberos, ...) */
808 #define CURLSSH_AUTH_DEFAULT CURLSSH_AUTH_ANY
810 #define CURLGSSAPI_DELEGATION_NONE 0 /* no delegation (default) */
811 #define CURLGSSAPI_DELEGATION_POLICY_FLAG (1<<0) /* if permitted by policy */
812 #define CURLGSSAPI_DELEGATION_FLAG (1<<1) /* delegate always */
814 #define CURL_ERROR_SIZE 256
826 const char *key; /* points to a null-terminated string encoded with base64
827 if len is zero, otherwise to the "raw" data */
829 enum curl_khtype keytype;
832 /* this is the set of return values expected from the curl_sshkeycallback
835 CURLKHSTAT_FINE_ADD_TO_FILE,
837 CURLKHSTAT_REJECT, /* reject the connection, return an error */
838 CURLKHSTAT_DEFER, /* do not accept it, but we can't answer right now so
839 this causes a CURLE_DEFER error but otherwise the
840 connection will be left intact etc */
841 CURLKHSTAT_FINE_REPLACE, /* accept and replace the wrong key*/
842 CURLKHSTAT_LAST /* not for use, only a marker for last-in-list */
845 /* this is the set of status codes pass in to the callback */
847 CURLKHMATCH_OK, /* match */
848 CURLKHMATCH_MISMATCH, /* host found, key mismatch! */
849 CURLKHMATCH_MISSING, /* no matching host/key found */
850 CURLKHMATCH_LAST /* not for use, only a marker for last-in-list */
854 (*curl_sshkeycallback) (CURL *easy, /* easy handle */
855 const struct curl_khkey *knownkey, /* known */
856 const struct curl_khkey *foundkey, /* found */
857 enum curl_khmatch, /* libcurl's view on the keys */
858 void *clientp); /* custom pointer passed from app */
860 /* parameter for the CURLOPT_USE_SSL option */
862 CURLUSESSL_NONE, /* do not attempt to use SSL */
863 CURLUSESSL_TRY, /* try using SSL, proceed anyway otherwise */
864 CURLUSESSL_CONTROL, /* SSL for the control connection or fail */
865 CURLUSESSL_ALL, /* SSL for all communication or fail */
866 CURLUSESSL_LAST /* not an option, never use */
869 /* Definition of bits for the CURLOPT_SSL_OPTIONS argument: */
871 /* - ALLOW_BEAST tells libcurl to allow the BEAST SSL vulnerability in the
872 name of improving interoperability with older servers. Some SSL libraries
873 have introduced work-arounds for this flaw but those work-arounds sometimes
874 make the SSL communication fail. To regain functionality with those broken
875 servers, a user can this way allow the vulnerability back. */
876 #define CURLSSLOPT_ALLOW_BEAST (1<<0)
878 /* - NO_REVOKE tells libcurl to disable certificate revocation checks for those
879 SSL backends where such behavior is present. */
880 #define CURLSSLOPT_NO_REVOKE (1<<1)
882 /* - NO_PARTIALCHAIN tells libcurl to *NOT* accept a partial certificate chain
883 if possible. The OpenSSL backend has this ability. */
884 #define CURLSSLOPT_NO_PARTIALCHAIN (1<<2)
886 /* - REVOKE_BEST_EFFORT tells libcurl to ignore certificate revocation offline
887 checks and ignore missing revocation list for those SSL backends where such
888 behavior is present. */
889 #define CURLSSLOPT_REVOKE_BEST_EFFORT (1<<3)
891 /* - CURLSSLOPT_NATIVE_CA tells libcurl to use standard certificate store of
892 operating system. Currently implemented under MS-Windows. */
893 #define CURLSSLOPT_NATIVE_CA (1<<4)
895 /* - CURLSSLOPT_AUTO_CLIENT_CERT tells libcurl to automatically locate and use
896 a client certificate for authentication. (Schannel) */
897 #define CURLSSLOPT_AUTO_CLIENT_CERT (1<<5)
899 /* The default connection attempt delay in milliseconds for happy eyeballs.
900 CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS.3 and happy-eyeballs-timeout-ms.d document
901 this value, keep them in sync. */
902 #define CURL_HET_DEFAULT 200L
904 /* The default connection upkeep interval in milliseconds. */
905 #define CURL_UPKEEP_INTERVAL_DEFAULT 60000L
907 #ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
908 the obsolete stuff removed! */
910 /* Backwards compatibility with older names */
911 /* These are scheduled to disappear by 2009 */
913 #define CURLFTPSSL_NONE CURLUSESSL_NONE
914 #define CURLFTPSSL_TRY CURLUSESSL_TRY
915 #define CURLFTPSSL_CONTROL CURLUSESSL_CONTROL
916 #define CURLFTPSSL_ALL CURLUSESSL_ALL
917 #define CURLFTPSSL_LAST CURLUSESSL_LAST
918 #define curl_ftpssl curl_usessl
919 #endif /*!CURL_NO_OLDIES*/
921 /* parameter for the CURLOPT_FTP_SSL_CCC option */
923 CURLFTPSSL_CCC_NONE, /* do not send CCC */
924 CURLFTPSSL_CCC_PASSIVE, /* Let the server initiate the shutdown */
925 CURLFTPSSL_CCC_ACTIVE, /* Initiate the shutdown */
926 CURLFTPSSL_CCC_LAST /* not an option, never use */
929 /* parameter for the CURLOPT_FTPSSLAUTH option */
931 CURLFTPAUTH_DEFAULT, /* let libcurl decide */
932 CURLFTPAUTH_SSL, /* use "AUTH SSL" */
933 CURLFTPAUTH_TLS, /* use "AUTH TLS" */
934 CURLFTPAUTH_LAST /* not an option, never use */
937 /* parameter for the CURLOPT_FTP_CREATE_MISSING_DIRS option */
939 CURLFTP_CREATE_DIR_NONE, /* do NOT create missing dirs! */
940 CURLFTP_CREATE_DIR, /* (FTP/SFTP) if CWD fails, try MKD and then CWD
941 again if MKD succeeded, for SFTP this does
943 CURLFTP_CREATE_DIR_RETRY, /* (FTP only) if CWD fails, try MKD and then CWD
944 again even if MKD failed! */
945 CURLFTP_CREATE_DIR_LAST /* not an option, never use */
948 /* parameter for the CURLOPT_FTP_FILEMETHOD option */
950 CURLFTPMETHOD_DEFAULT, /* let libcurl pick */
951 CURLFTPMETHOD_MULTICWD, /* single CWD operation for each path part */
952 CURLFTPMETHOD_NOCWD, /* no CWD at all */
953 CURLFTPMETHOD_SINGLECWD, /* one CWD to full dir, then work on file */
954 CURLFTPMETHOD_LAST /* not an option, never use */
957 /* bitmask defines for CURLOPT_HEADEROPT */
958 #define CURLHEADER_UNIFIED 0
959 #define CURLHEADER_SEPARATE (1<<0)
961 /* CURLALTSVC_* are bits for the CURLOPT_ALTSVC_CTRL option */
962 #define CURLALTSVC_READONLYFILE (1<<2)
963 #define CURLALTSVC_H1 (1<<3)
964 #define CURLALTSVC_H2 (1<<4)
965 #define CURLALTSVC_H3 (1<<5)
968 struct curl_hstsentry {
971 unsigned int includeSubDomains:1;
972 char expire[18]; /* YYYYMMDD HH:MM:SS [null-terminated] */
976 size_t index; /* the provided entry's "index" or count */
977 size_t total; /* total number of entries to save */
986 typedef CURLSTScode (*curl_hstsread_callback)(CURL *easy,
987 struct curl_hstsentry *e,
989 typedef CURLSTScode (*curl_hstswrite_callback)(CURL *easy,
990 struct curl_hstsentry *e,
991 struct curl_index *i,
994 /* CURLHSTS_* are bits for the CURLOPT_HSTS option */
995 #define CURLHSTS_ENABLE (long)(1<<0)
996 #define CURLHSTS_READONLYFILE (long)(1<<1)
998 /* CURLPROTO_ defines are for the CURLOPT_*PROTOCOLS options */
999 #define CURLPROTO_HTTP (1<<0)
1000 #define CURLPROTO_HTTPS (1<<1)
1001 #define CURLPROTO_FTP (1<<2)
1002 #define CURLPROTO_FTPS (1<<3)
1003 #define CURLPROTO_SCP (1<<4)
1004 #define CURLPROTO_SFTP (1<<5)
1005 #define CURLPROTO_TELNET (1<<6)
1006 #define CURLPROTO_LDAP (1<<7)
1007 #define CURLPROTO_LDAPS (1<<8)
1008 #define CURLPROTO_DICT (1<<9)
1009 #define CURLPROTO_FILE (1<<10)
1010 #define CURLPROTO_TFTP (1<<11)
1011 #define CURLPROTO_IMAP (1<<12)
1012 #define CURLPROTO_IMAPS (1<<13)
1013 #define CURLPROTO_POP3 (1<<14)
1014 #define CURLPROTO_POP3S (1<<15)
1015 #define CURLPROTO_SMTP (1<<16)
1016 #define CURLPROTO_SMTPS (1<<17)
1017 #define CURLPROTO_RTSP (1<<18)
1018 #define CURLPROTO_RTMP (1<<19)
1019 #define CURLPROTO_RTMPT (1<<20)
1020 #define CURLPROTO_RTMPE (1<<21)
1021 #define CURLPROTO_RTMPTE (1<<22)
1022 #define CURLPROTO_RTMPS (1<<23)
1023 #define CURLPROTO_RTMPTS (1<<24)
1024 #define CURLPROTO_GOPHER (1<<25)
1025 #define CURLPROTO_SMB (1<<26)
1026 #define CURLPROTO_SMBS (1<<27)
1027 #define CURLPROTO_MQTT (1<<28)
1028 #define CURLPROTO_GOPHERS (1<<29)
1029 #define CURLPROTO_ALL (~0) /* enable everything */
1031 /* long may be 32 or 64 bits, but we should never depend on anything else
1033 #define CURLOPTTYPE_LONG 0
1034 #define CURLOPTTYPE_OBJECTPOINT 10000
1035 #define CURLOPTTYPE_FUNCTIONPOINT 20000
1036 #define CURLOPTTYPE_OFF_T 30000
1037 #define CURLOPTTYPE_BLOB 40000
1039 /* *STRINGPOINT is an alias for OBJECTPOINT to allow tools to extract the
1040 string options from the header file */
1043 #define CURLOPT(na,t,nu) na = t + nu
1045 /* CURLOPT aliases that make no run-time difference */
1047 /* 'char *' argument to a string with a trailing zero */
1048 #define CURLOPTTYPE_STRINGPOINT CURLOPTTYPE_OBJECTPOINT
1050 /* 'struct curl_slist *' argument */
1051 #define CURLOPTTYPE_SLISTPOINT CURLOPTTYPE_OBJECTPOINT
1053 /* 'void *' argument passed untouched to callback */
1054 #define CURLOPTTYPE_CBPOINT CURLOPTTYPE_OBJECTPOINT
1056 /* 'long' argument with a set of values/bitmask */
1057 #define CURLOPTTYPE_VALUES CURLOPTTYPE_LONG
1060 * All CURLOPT_* values.
1064 /* This is the FILE * or void * the regular output should be written to. */
1065 CURLOPT(CURLOPT_WRITEDATA, CURLOPTTYPE_CBPOINT, 1),
1067 /* The full URL to get/put */
1068 CURLOPT(CURLOPT_URL, CURLOPTTYPE_STRINGPOINT, 2),
1070 /* Port number to connect to, if other than default. */
1071 CURLOPT(CURLOPT_PORT, CURLOPTTYPE_LONG, 3),
1073 /* Name of proxy to use. */
1074 CURLOPT(CURLOPT_PROXY, CURLOPTTYPE_STRINGPOINT, 4),
1076 /* "user:password;options" to use when fetching. */
1077 CURLOPT(CURLOPT_USERPWD, CURLOPTTYPE_STRINGPOINT, 5),
1079 /* "user:password" to use with proxy. */
1080 CURLOPT(CURLOPT_PROXYUSERPWD, CURLOPTTYPE_STRINGPOINT, 6),
1082 /* Range to get, specified as an ASCII string. */
1083 CURLOPT(CURLOPT_RANGE, CURLOPTTYPE_STRINGPOINT, 7),
1087 /* Specified file stream to upload from (use as input): */
1088 CURLOPT(CURLOPT_READDATA, CURLOPTTYPE_CBPOINT, 9),
1090 /* Buffer to receive error messages in, must be at least CURL_ERROR_SIZE
1092 CURLOPT(CURLOPT_ERRORBUFFER, CURLOPTTYPE_OBJECTPOINT, 10),
1094 /* Function that will be called to store the output (instead of fwrite). The
1095 * parameters will use fwrite() syntax, make sure to follow them. */
1096 CURLOPT(CURLOPT_WRITEFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 11),
1098 /* Function that will be called to read the input (instead of fread). The
1099 * parameters will use fread() syntax, make sure to follow them. */
1100 CURLOPT(CURLOPT_READFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 12),
1102 /* Time-out the read operation after this amount of seconds */
1103 CURLOPT(CURLOPT_TIMEOUT, CURLOPTTYPE_LONG, 13),
1105 /* If the CURLOPT_INFILE is used, this can be used to inform libcurl about
1106 * how large the file being sent really is. That allows better error
1107 * checking and better verifies that the upload was successful. -1 means
1110 * For large file support, there is also a _LARGE version of the key
1111 * which takes an off_t type, allowing platforms with larger off_t
1112 * sizes to handle larger files. See below for INFILESIZE_LARGE.
1114 CURLOPT(CURLOPT_INFILESIZE, CURLOPTTYPE_LONG, 14),
1116 /* POST static input fields. */
1117 CURLOPT(CURLOPT_POSTFIELDS, CURLOPTTYPE_OBJECTPOINT, 15),
1119 /* Set the referrer page (needed by some CGIs) */
1120 CURLOPT(CURLOPT_REFERER, CURLOPTTYPE_STRINGPOINT, 16),
1122 /* Set the FTP PORT string (interface name, named or numerical IP address)
1123 Use i.e '-' to use default address. */
1124 CURLOPT(CURLOPT_FTPPORT, CURLOPTTYPE_STRINGPOINT, 17),
1126 /* Set the User-Agent string (examined by some CGIs) */
1127 CURLOPT(CURLOPT_USERAGENT, CURLOPTTYPE_STRINGPOINT, 18),
1129 /* If the download receives less than "low speed limit" bytes/second
1130 * during "low speed time" seconds, the operations is aborted.
1131 * You could i.e if you have a pretty high speed connection, abort if
1132 * it is less than 2000 bytes/sec during 20 seconds.
1135 /* Set the "low speed limit" */
1136 CURLOPT(CURLOPT_LOW_SPEED_LIMIT, CURLOPTTYPE_LONG, 19),
1138 /* Set the "low speed time" */
1139 CURLOPT(CURLOPT_LOW_SPEED_TIME, CURLOPTTYPE_LONG, 20),
1141 /* Set the continuation offset.
1143 * Note there is also a _LARGE version of this key which uses
1144 * off_t types, allowing for large file offsets on platforms which
1145 * use larger-than-32-bit off_t's. Look below for RESUME_FROM_LARGE.
1147 CURLOPT(CURLOPT_RESUME_FROM, CURLOPTTYPE_LONG, 21),
1149 /* Set cookie in request: */
1150 CURLOPT(CURLOPT_COOKIE, CURLOPTTYPE_STRINGPOINT, 22),
1152 /* This points to a linked list of headers, struct curl_slist kind. This
1153 list is also used for RTSP (in spite of its name) */
1154 CURLOPT(CURLOPT_HTTPHEADER, CURLOPTTYPE_SLISTPOINT, 23),
1156 /* This points to a linked list of post entries, struct curl_httppost */
1157 CURLOPT(CURLOPT_HTTPPOST, CURLOPTTYPE_OBJECTPOINT, 24),
1159 /* name of the file keeping your private SSL-certificate */
1160 CURLOPT(CURLOPT_SSLCERT, CURLOPTTYPE_STRINGPOINT, 25),
1162 /* password for the SSL or SSH private key */
1163 CURLOPT(CURLOPT_KEYPASSWD, CURLOPTTYPE_STRINGPOINT, 26),
1165 /* send TYPE parameter? */
1166 CURLOPT(CURLOPT_CRLF, CURLOPTTYPE_LONG, 27),
1168 /* send linked-list of QUOTE commands */
1169 CURLOPT(CURLOPT_QUOTE, CURLOPTTYPE_SLISTPOINT, 28),
1171 /* send FILE * or void * to store headers to, if you use a callback it
1172 is simply passed to the callback unmodified */
1173 CURLOPT(CURLOPT_HEADERDATA, CURLOPTTYPE_CBPOINT, 29),
1175 /* point to a file to read the initial cookies from, also enables
1176 "cookie awareness" */
1177 CURLOPT(CURLOPT_COOKIEFILE, CURLOPTTYPE_STRINGPOINT, 31),
1179 /* What version to specifically try to use.
1180 See CURL_SSLVERSION defines below. */
1181 CURLOPT(CURLOPT_SSLVERSION, CURLOPTTYPE_VALUES, 32),
1183 /* What kind of HTTP time condition to use, see defines */
1184 CURLOPT(CURLOPT_TIMECONDITION, CURLOPTTYPE_VALUES, 33),
1186 /* Time to use with the above condition. Specified in number of seconds
1188 CURLOPT(CURLOPT_TIMEVALUE, CURLOPTTYPE_LONG, 34),
1192 /* Custom request, for customizing the get command like
1193 HTTP: DELETE, TRACE and others
1194 FTP: to use a different list command
1196 CURLOPT(CURLOPT_CUSTOMREQUEST, CURLOPTTYPE_STRINGPOINT, 36),
1198 /* FILE handle to use instead of stderr */
1199 CURLOPT(CURLOPT_STDERR, CURLOPTTYPE_OBJECTPOINT, 37),
1201 /* 38 is not used */
1203 /* send linked-list of post-transfer QUOTE commands */
1204 CURLOPT(CURLOPT_POSTQUOTE, CURLOPTTYPE_SLISTPOINT, 39),
1206 /* OBSOLETE, do not use! */
1207 CURLOPT(CURLOPT_OBSOLETE40, CURLOPTTYPE_OBJECTPOINT, 40),
1210 CURLOPT(CURLOPT_VERBOSE, CURLOPTTYPE_LONG, 41),
1212 /* throw the header out too */
1213 CURLOPT(CURLOPT_HEADER, CURLOPTTYPE_LONG, 42),
1215 /* shut off the progress meter */
1216 CURLOPT(CURLOPT_NOPROGRESS, CURLOPTTYPE_LONG, 43),
1218 /* use HEAD to get http document */
1219 CURLOPT(CURLOPT_NOBODY, CURLOPTTYPE_LONG, 44),
1221 /* no output on http error codes >= 400 */
1222 CURLOPT(CURLOPT_FAILONERROR, CURLOPTTYPE_LONG, 45),
1224 /* this is an upload */
1225 CURLOPT(CURLOPT_UPLOAD, CURLOPTTYPE_LONG, 46),
1227 /* HTTP POST method */
1228 CURLOPT(CURLOPT_POST, CURLOPTTYPE_LONG, 47),
1230 /* bare names when listing directories */
1231 CURLOPT(CURLOPT_DIRLISTONLY, CURLOPTTYPE_LONG, 48),
1233 /* Append instead of overwrite on upload! */
1234 CURLOPT(CURLOPT_APPEND, CURLOPTTYPE_LONG, 50),
1236 /* Specify whether to read the user+password from the .netrc or the URL.
1237 * This must be one of the CURL_NETRC_* enums below. */
1238 CURLOPT(CURLOPT_NETRC, CURLOPTTYPE_VALUES, 51),
1240 /* use Location: Luke! */
1241 CURLOPT(CURLOPT_FOLLOWLOCATION, CURLOPTTYPE_LONG, 52),
1243 /* transfer data in text/ASCII format */
1244 CURLOPT(CURLOPT_TRANSFERTEXT, CURLOPTTYPE_LONG, 53),
1247 CURLOPT(CURLOPT_PUT, CURLOPTTYPE_LONG, 54),
1252 * Function that will be called instead of the internal progress display
1253 * function. This function should be defined as the curl_progress_callback
1254 * prototype defines. */
1255 CURLOPT(CURLOPT_PROGRESSFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 56),
1257 /* Data passed to the CURLOPT_PROGRESSFUNCTION and CURLOPT_XFERINFOFUNCTION
1259 CURLOPT(CURLOPT_XFERINFODATA, CURLOPTTYPE_CBPOINT, 57),
1260 #define CURLOPT_PROGRESSDATA CURLOPT_XFERINFODATA
1262 /* We want the referrer field set automatically when following locations */
1263 CURLOPT(CURLOPT_AUTOREFERER, CURLOPTTYPE_LONG, 58),
1265 /* Port of the proxy, can be set in the proxy string as well with:
1267 CURLOPT(CURLOPT_PROXYPORT, CURLOPTTYPE_LONG, 59),
1269 /* size of the POST input data, if strlen() is not good to use */
1270 CURLOPT(CURLOPT_POSTFIELDSIZE, CURLOPTTYPE_LONG, 60),
1272 /* tunnel non-http operations through a HTTP proxy */
1273 CURLOPT(CURLOPT_HTTPPROXYTUNNEL, CURLOPTTYPE_LONG, 61),
1275 /* Set the interface string to use as outgoing network interface */
1276 CURLOPT(CURLOPT_INTERFACE, CURLOPTTYPE_STRINGPOINT, 62),
1278 /* Set the krb4/5 security level, this also enables krb4/5 awareness. This
1279 * is a string, 'clear', 'safe', 'confidential' or 'private'. If the string
1280 * is set but doesn't match one of these, 'private' will be used. */
1281 CURLOPT(CURLOPT_KRBLEVEL, CURLOPTTYPE_STRINGPOINT, 63),
1283 /* Set if we should verify the peer in ssl handshake, set 1 to verify. */
1284 CURLOPT(CURLOPT_SSL_VERIFYPEER, CURLOPTTYPE_LONG, 64),
1286 /* The CApath or CAfile used to validate the peer certificate
1287 this option is used only if SSL_VERIFYPEER is true */
1288 CURLOPT(CURLOPT_CAINFO, CURLOPTTYPE_STRINGPOINT, 65),
1293 /* Maximum number of http redirects to follow */
1294 CURLOPT(CURLOPT_MAXREDIRS, CURLOPTTYPE_LONG, 68),
1296 /* Pass a long set to 1 to get the date of the requested document (if
1297 possible)! Pass a zero to shut it off. */
1298 CURLOPT(CURLOPT_FILETIME, CURLOPTTYPE_LONG, 69),
1300 /* This points to a linked list of telnet options */
1301 CURLOPT(CURLOPT_TELNETOPTIONS, CURLOPTTYPE_SLISTPOINT, 70),
1303 /* Max amount of cached alive connections */
1304 CURLOPT(CURLOPT_MAXCONNECTS, CURLOPTTYPE_LONG, 71),
1306 /* OBSOLETE, do not use! */
1307 CURLOPT(CURLOPT_OBSOLETE72, CURLOPTTYPE_LONG, 72),
1311 /* Set to explicitly use a new connection for the upcoming transfer.
1312 Do not use this unless you're absolutely sure of this, as it makes the
1313 operation slower and is less friendly for the network. */
1314 CURLOPT(CURLOPT_FRESH_CONNECT, CURLOPTTYPE_LONG, 74),
1316 /* Set to explicitly forbid the upcoming transfer's connection to be re-used
1317 when done. Do not use this unless you're absolutely sure of this, as it
1318 makes the operation slower and is less friendly for the network. */
1319 CURLOPT(CURLOPT_FORBID_REUSE, CURLOPTTYPE_LONG, 75),
1321 /* Set to a file name that contains random data for libcurl to use to
1322 seed the random engine when doing SSL connects. */
1323 CURLOPT(CURLOPT_RANDOM_FILE, CURLOPTTYPE_STRINGPOINT, 76),
1325 /* Set to the Entropy Gathering Daemon socket pathname */
1326 CURLOPT(CURLOPT_EGDSOCKET, CURLOPTTYPE_STRINGPOINT, 77),
1328 /* Time-out connect operations after this amount of seconds, if connects are
1329 OK within this time, then fine... This only aborts the connect phase. */
1330 CURLOPT(CURLOPT_CONNECTTIMEOUT, CURLOPTTYPE_LONG, 78),
1332 /* Function that will be called to store headers (instead of fwrite). The
1333 * parameters will use fwrite() syntax, make sure to follow them. */
1334 CURLOPT(CURLOPT_HEADERFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 79),
1336 /* Set this to force the HTTP request to get back to GET. Only really usable
1337 if POST, PUT or a custom request have been used first.
1339 CURLOPT(CURLOPT_HTTPGET, CURLOPTTYPE_LONG, 80),
1341 /* Set if we should verify the Common name from the peer certificate in ssl
1342 * handshake, set 1 to check existence, 2 to ensure that it matches the
1343 * provided hostname. */
1344 CURLOPT(CURLOPT_SSL_VERIFYHOST, CURLOPTTYPE_LONG, 81),
1346 /* Specify which file name to write all known cookies in after completed
1347 operation. Set file name to "-" (dash) to make it go to stdout. */
1348 CURLOPT(CURLOPT_COOKIEJAR, CURLOPTTYPE_STRINGPOINT, 82),
1350 /* Specify which SSL ciphers to use */
1351 CURLOPT(CURLOPT_SSL_CIPHER_LIST, CURLOPTTYPE_STRINGPOINT, 83),
1353 /* Specify which HTTP version to use! This must be set to one of the
1354 CURL_HTTP_VERSION* enums set below. */
1355 CURLOPT(CURLOPT_HTTP_VERSION, CURLOPTTYPE_VALUES, 84),
1357 /* Specifically switch on or off the FTP engine's use of the EPSV command. By
1358 default, that one will always be attempted before the more traditional
1360 CURLOPT(CURLOPT_FTP_USE_EPSV, CURLOPTTYPE_LONG, 85),
1362 /* type of the file keeping your SSL-certificate ("DER", "PEM", "ENG") */
1363 CURLOPT(CURLOPT_SSLCERTTYPE, CURLOPTTYPE_STRINGPOINT, 86),
1365 /* name of the file keeping your private SSL-key */
1366 CURLOPT(CURLOPT_SSLKEY, CURLOPTTYPE_STRINGPOINT, 87),
1368 /* type of the file keeping your private SSL-key ("DER", "PEM", "ENG") */
1369 CURLOPT(CURLOPT_SSLKEYTYPE, CURLOPTTYPE_STRINGPOINT, 88),
1371 /* crypto engine for the SSL-sub system */
1372 CURLOPT(CURLOPT_SSLENGINE, CURLOPTTYPE_STRINGPOINT, 89),
1374 /* set the crypto engine for the SSL-sub system as default
1375 the param has no meaning...
1377 CURLOPT(CURLOPT_SSLENGINE_DEFAULT, CURLOPTTYPE_LONG, 90),
1379 /* Non-zero value means to use the global dns cache */
1380 /* DEPRECATED, do not use! */
1381 CURLOPT(CURLOPT_DNS_USE_GLOBAL_CACHE, CURLOPTTYPE_LONG, 91),
1383 /* DNS cache timeout */
1384 CURLOPT(CURLOPT_DNS_CACHE_TIMEOUT, CURLOPTTYPE_LONG, 92),
1386 /* send linked-list of pre-transfer QUOTE commands */
1387 CURLOPT(CURLOPT_PREQUOTE, CURLOPTTYPE_SLISTPOINT, 93),
1389 /* set the debug function */
1390 CURLOPT(CURLOPT_DEBUGFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 94),
1392 /* set the data for the debug function */
1393 CURLOPT(CURLOPT_DEBUGDATA, CURLOPTTYPE_CBPOINT, 95),
1395 /* mark this as start of a cookie session */
1396 CURLOPT(CURLOPT_COOKIESESSION, CURLOPTTYPE_LONG, 96),
1398 /* The CApath directory used to validate the peer certificate
1399 this option is used only if SSL_VERIFYPEER is true */
1400 CURLOPT(CURLOPT_CAPATH, CURLOPTTYPE_STRINGPOINT, 97),
1402 /* Instruct libcurl to use a smaller receive buffer */
1403 CURLOPT(CURLOPT_BUFFERSIZE, CURLOPTTYPE_LONG, 98),
1405 /* Instruct libcurl to not use any signal/alarm handlers, even when using
1406 timeouts. This option is useful for multi-threaded applications.
1407 See libcurl-the-guide for more background information. */
1408 CURLOPT(CURLOPT_NOSIGNAL, CURLOPTTYPE_LONG, 99),
1410 /* Provide a CURLShare for mutexing non-ts data */
1411 CURLOPT(CURLOPT_SHARE, CURLOPTTYPE_OBJECTPOINT, 100),
1413 /* indicates type of proxy. accepted values are CURLPROXY_HTTP (default),
1414 CURLPROXY_HTTPS, CURLPROXY_SOCKS4, CURLPROXY_SOCKS4A and
1415 CURLPROXY_SOCKS5. */
1416 CURLOPT(CURLOPT_PROXYTYPE, CURLOPTTYPE_VALUES, 101),
1418 /* Set the Accept-Encoding string. Use this to tell a server you would like
1419 the response to be compressed. Before 7.21.6, this was known as
1421 CURLOPT(CURLOPT_ACCEPT_ENCODING, CURLOPTTYPE_STRINGPOINT, 102),
1423 /* Set pointer to private data */
1424 CURLOPT(CURLOPT_PRIVATE, CURLOPTTYPE_OBJECTPOINT, 103),
1426 /* Set aliases for HTTP 200 in the HTTP Response header */
1427 CURLOPT(CURLOPT_HTTP200ALIASES, CURLOPTTYPE_SLISTPOINT, 104),
1429 /* Continue to send authentication (user+password) when following locations,
1430 even when hostname changed. This can potentially send off the name
1431 and password to whatever host the server decides. */
1432 CURLOPT(CURLOPT_UNRESTRICTED_AUTH, CURLOPTTYPE_LONG, 105),
1434 /* Specifically switch on or off the FTP engine's use of the EPRT command (
1435 it also disables the LPRT attempt). By default, those ones will always be
1436 attempted before the good old traditional PORT command. */
1437 CURLOPT(CURLOPT_FTP_USE_EPRT, CURLOPTTYPE_LONG, 106),
1439 /* Set this to a bitmask value to enable the particular authentications
1440 methods you like. Use this in combination with CURLOPT_USERPWD.
1441 Note that setting multiple bits may cause extra network round-trips. */
1442 CURLOPT(CURLOPT_HTTPAUTH, CURLOPTTYPE_VALUES, 107),
1444 /* Set the ssl context callback function, currently only for OpenSSL or
1445 WolfSSL ssl_ctx, or mbedTLS mbedtls_ssl_config in the second argument.
1446 The function must match the curl_ssl_ctx_callback prototype. */
1447 CURLOPT(CURLOPT_SSL_CTX_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 108),
1449 /* Set the userdata for the ssl context callback function's third
1451 CURLOPT(CURLOPT_SSL_CTX_DATA, CURLOPTTYPE_CBPOINT, 109),
1453 /* FTP Option that causes missing dirs to be created on the remote server.
1454 In 7.19.4 we introduced the convenience enums for this option using the
1455 CURLFTP_CREATE_DIR prefix.
1457 CURLOPT(CURLOPT_FTP_CREATE_MISSING_DIRS, CURLOPTTYPE_LONG, 110),
1459 /* Set this to a bitmask value to enable the particular authentications
1460 methods you like. Use this in combination with CURLOPT_PROXYUSERPWD.
1461 Note that setting multiple bits may cause extra network round-trips. */
1462 CURLOPT(CURLOPT_PROXYAUTH, CURLOPTTYPE_VALUES, 111),
1464 /* FTP option that changes the timeout, in seconds, associated with
1465 getting a response. This is different from transfer timeout time and
1466 essentially places a demand on the FTP server to acknowledge commands
1467 in a timely manner. */
1468 CURLOPT(CURLOPT_FTP_RESPONSE_TIMEOUT, CURLOPTTYPE_LONG, 112),
1469 #define CURLOPT_SERVER_RESPONSE_TIMEOUT CURLOPT_FTP_RESPONSE_TIMEOUT
1471 /* Set this option to one of the CURL_IPRESOLVE_* defines (see below) to
1472 tell libcurl to use those IP versions only. This only has effect on
1473 systems with support for more than one, i.e IPv4 _and_ IPv6. */
1474 CURLOPT(CURLOPT_IPRESOLVE, CURLOPTTYPE_VALUES, 113),
1476 /* Set this option to limit the size of a file that will be downloaded from
1477 an HTTP or FTP server.
1479 Note there is also _LARGE version which adds large file support for
1480 platforms which have larger off_t sizes. See MAXFILESIZE_LARGE below. */
1481 CURLOPT(CURLOPT_MAXFILESIZE, CURLOPTTYPE_LONG, 114),
1483 /* See the comment for INFILESIZE above, but in short, specifies
1484 * the size of the file being uploaded. -1 means unknown.
1486 CURLOPT(CURLOPT_INFILESIZE_LARGE, CURLOPTTYPE_OFF_T, 115),
1488 /* Sets the continuation offset. There is also a CURLOPTTYPE_LONG version
1489 * of this; look above for RESUME_FROM.
1491 CURLOPT(CURLOPT_RESUME_FROM_LARGE, CURLOPTTYPE_OFF_T, 116),
1493 /* Sets the maximum size of data that will be downloaded from
1494 * an HTTP or FTP server. See MAXFILESIZE above for the LONG version.
1496 CURLOPT(CURLOPT_MAXFILESIZE_LARGE, CURLOPTTYPE_OFF_T, 117),
1498 /* Set this option to the file name of your .netrc file you want libcurl
1499 to parse (using the CURLOPT_NETRC option). If not set, libcurl will do
1500 a poor attempt to find the user's home directory and check for a .netrc
1502 CURLOPT(CURLOPT_NETRC_FILE, CURLOPTTYPE_STRINGPOINT, 118),
1504 /* Enable SSL/TLS for FTP, pick one of:
1505 CURLUSESSL_TRY - try using SSL, proceed anyway otherwise
1506 CURLUSESSL_CONTROL - SSL for the control connection or fail
1507 CURLUSESSL_ALL - SSL for all communication or fail
1509 CURLOPT(CURLOPT_USE_SSL, CURLOPTTYPE_VALUES, 119),
1511 /* The _LARGE version of the standard POSTFIELDSIZE option */
1512 CURLOPT(CURLOPT_POSTFIELDSIZE_LARGE, CURLOPTTYPE_OFF_T, 120),
1514 /* Enable/disable the TCP Nagle algorithm */
1515 CURLOPT(CURLOPT_TCP_NODELAY, CURLOPTTYPE_LONG, 121),
1517 /* 122 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1518 /* 123 OBSOLETE. Gone in 7.16.0 */
1519 /* 124 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1520 /* 125 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1521 /* 126 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1522 /* 127 OBSOLETE. Gone in 7.16.0 */
1523 /* 128 OBSOLETE. Gone in 7.16.0 */
1525 /* When FTP over SSL/TLS is selected (with CURLOPT_USE_SSL), this option
1526 can be used to change libcurl's default action which is to first try
1527 "AUTH SSL" and then "AUTH TLS" in this order, and proceed when a OK
1528 response has been received.
1530 Available parameters are:
1531 CURLFTPAUTH_DEFAULT - let libcurl decide
1532 CURLFTPAUTH_SSL - try "AUTH SSL" first, then TLS
1533 CURLFTPAUTH_TLS - try "AUTH TLS" first, then SSL
1535 CURLOPT(CURLOPT_FTPSSLAUTH, CURLOPTTYPE_VALUES, 129),
1537 CURLOPT(CURLOPT_IOCTLFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 130),
1538 CURLOPT(CURLOPT_IOCTLDATA, CURLOPTTYPE_CBPOINT, 131),
1540 /* 132 OBSOLETE. Gone in 7.16.0 */
1541 /* 133 OBSOLETE. Gone in 7.16.0 */
1543 /* null-terminated string for pass on to the FTP server when asked for
1545 CURLOPT(CURLOPT_FTP_ACCOUNT, CURLOPTTYPE_STRINGPOINT, 134),
1547 /* feed cookie into cookie engine */
1548 CURLOPT(CURLOPT_COOKIELIST, CURLOPTTYPE_STRINGPOINT, 135),
1550 /* ignore Content-Length */
1551 CURLOPT(CURLOPT_IGNORE_CONTENT_LENGTH, CURLOPTTYPE_LONG, 136),
1553 /* Set to non-zero to skip the IP address received in a 227 PASV FTP server
1554 response. Typically used for FTP-SSL purposes but is not restricted to
1555 that. libcurl will then instead use the same IP address it used for the
1556 control connection. */
1557 CURLOPT(CURLOPT_FTP_SKIP_PASV_IP, CURLOPTTYPE_LONG, 137),
1559 /* Select "file method" to use when doing FTP, see the curl_ftpmethod
1561 CURLOPT(CURLOPT_FTP_FILEMETHOD, CURLOPTTYPE_VALUES, 138),
1563 /* Local port number to bind the socket to */
1564 CURLOPT(CURLOPT_LOCALPORT, CURLOPTTYPE_LONG, 139),
1566 /* Number of ports to try, including the first one set with LOCALPORT.
1567 Thus, setting it to 1 will make no additional attempts but the first.
1569 CURLOPT(CURLOPT_LOCALPORTRANGE, CURLOPTTYPE_LONG, 140),
1571 /* no transfer, set up connection and let application use the socket by
1572 extracting it with CURLINFO_LASTSOCKET */
1573 CURLOPT(CURLOPT_CONNECT_ONLY, CURLOPTTYPE_LONG, 141),
1575 /* Function that will be called to convert from the
1576 network encoding (instead of using the iconv calls in libcurl) */
1577 CURLOPT(CURLOPT_CONV_FROM_NETWORK_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 142),
1579 /* Function that will be called to convert to the
1580 network encoding (instead of using the iconv calls in libcurl) */
1581 CURLOPT(CURLOPT_CONV_TO_NETWORK_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 143),
1583 /* Function that will be called to convert from UTF8
1584 (instead of using the iconv calls in libcurl)
1585 Note that this is used only for SSL certificate processing */
1586 CURLOPT(CURLOPT_CONV_FROM_UTF8_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 144),
1588 /* if the connection proceeds too quickly then need to slow it down */
1589 /* limit-rate: maximum number of bytes per second to send or receive */
1590 CURLOPT(CURLOPT_MAX_SEND_SPEED_LARGE, CURLOPTTYPE_OFF_T, 145),
1591 CURLOPT(CURLOPT_MAX_RECV_SPEED_LARGE, CURLOPTTYPE_OFF_T, 146),
1593 /* Pointer to command string to send if USER/PASS fails. */
1594 CURLOPT(CURLOPT_FTP_ALTERNATIVE_TO_USER, CURLOPTTYPE_STRINGPOINT, 147),
1596 /* callback function for setting socket options */
1597 CURLOPT(CURLOPT_SOCKOPTFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 148),
1598 CURLOPT(CURLOPT_SOCKOPTDATA, CURLOPTTYPE_CBPOINT, 149),
1600 /* set to 0 to disable session ID re-use for this transfer, default is
1602 CURLOPT(CURLOPT_SSL_SESSIONID_CACHE, CURLOPTTYPE_LONG, 150),
1604 /* allowed SSH authentication methods */
1605 CURLOPT(CURLOPT_SSH_AUTH_TYPES, CURLOPTTYPE_VALUES, 151),
1607 /* Used by scp/sftp to do public/private key authentication */
1608 CURLOPT(CURLOPT_SSH_PUBLIC_KEYFILE, CURLOPTTYPE_STRINGPOINT, 152),
1609 CURLOPT(CURLOPT_SSH_PRIVATE_KEYFILE, CURLOPTTYPE_STRINGPOINT, 153),
1611 /* Send CCC (Clear Command Channel) after authentication */
1612 CURLOPT(CURLOPT_FTP_SSL_CCC, CURLOPTTYPE_LONG, 154),
1614 /* Same as TIMEOUT and CONNECTTIMEOUT, but with ms resolution */
1615 CURLOPT(CURLOPT_TIMEOUT_MS, CURLOPTTYPE_LONG, 155),
1616 CURLOPT(CURLOPT_CONNECTTIMEOUT_MS, CURLOPTTYPE_LONG, 156),
1618 /* set to zero to disable the libcurl's decoding and thus pass the raw body
1619 data to the application even when it is encoded/compressed */
1620 CURLOPT(CURLOPT_HTTP_TRANSFER_DECODING, CURLOPTTYPE_LONG, 157),
1621 CURLOPT(CURLOPT_HTTP_CONTENT_DECODING, CURLOPTTYPE_LONG, 158),
1623 /* Permission used when creating new files and directories on the remote
1624 server for protocols that support it, SFTP/SCP/FILE */
1625 CURLOPT(CURLOPT_NEW_FILE_PERMS, CURLOPTTYPE_LONG, 159),
1626 CURLOPT(CURLOPT_NEW_DIRECTORY_PERMS, CURLOPTTYPE_LONG, 160),
1628 /* Set the behavior of POST when redirecting. Values must be set to one
1629 of CURL_REDIR* defines below. This used to be called CURLOPT_POST301 */
1630 CURLOPT(CURLOPT_POSTREDIR, CURLOPTTYPE_VALUES, 161),
1632 /* used by scp/sftp to verify the host's public key */
1633 CURLOPT(CURLOPT_SSH_HOST_PUBLIC_KEY_MD5, CURLOPTTYPE_STRINGPOINT, 162),
1635 /* Callback function for opening socket (instead of socket(2)). Optionally,
1636 callback is able change the address or refuse to connect returning
1637 CURL_SOCKET_BAD. The callback should have type
1638 curl_opensocket_callback */
1639 CURLOPT(CURLOPT_OPENSOCKETFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 163),
1640 CURLOPT(CURLOPT_OPENSOCKETDATA, CURLOPTTYPE_CBPOINT, 164),
1642 /* POST volatile input fields. */
1643 CURLOPT(CURLOPT_COPYPOSTFIELDS, CURLOPTTYPE_OBJECTPOINT, 165),
1645 /* set transfer mode (;type=<a|i>) when doing FTP via an HTTP proxy */
1646 CURLOPT(CURLOPT_PROXY_TRANSFER_MODE, CURLOPTTYPE_LONG, 166),
1648 /* Callback function for seeking in the input stream */
1649 CURLOPT(CURLOPT_SEEKFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 167),
1650 CURLOPT(CURLOPT_SEEKDATA, CURLOPTTYPE_CBPOINT, 168),
1653 CURLOPT(CURLOPT_CRLFILE, CURLOPTTYPE_STRINGPOINT, 169),
1655 /* Issuer certificate */
1656 CURLOPT(CURLOPT_ISSUERCERT, CURLOPTTYPE_STRINGPOINT, 170),
1658 /* (IPv6) Address scope */
1659 CURLOPT(CURLOPT_ADDRESS_SCOPE, CURLOPTTYPE_LONG, 171),
1661 /* Collect certificate chain info and allow it to get retrievable with
1662 CURLINFO_CERTINFO after the transfer is complete. */
1663 CURLOPT(CURLOPT_CERTINFO, CURLOPTTYPE_LONG, 172),
1665 /* "name" and "pwd" to use when fetching. */
1666 CURLOPT(CURLOPT_USERNAME, CURLOPTTYPE_STRINGPOINT, 173),
1667 CURLOPT(CURLOPT_PASSWORD, CURLOPTTYPE_STRINGPOINT, 174),
1669 /* "name" and "pwd" to use with Proxy when fetching. */
1670 CURLOPT(CURLOPT_PROXYUSERNAME, CURLOPTTYPE_STRINGPOINT, 175),
1671 CURLOPT(CURLOPT_PROXYPASSWORD, CURLOPTTYPE_STRINGPOINT, 176),
1673 /* Comma separated list of hostnames defining no-proxy zones. These should
1674 match both hostnames directly, and hostnames within a domain. For
1675 example, local.com will match local.com and www.local.com, but NOT
1676 notlocal.com or www.notlocal.com. For compatibility with other
1677 implementations of this, .local.com will be considered to be the same as
1678 local.com. A single * is the only valid wildcard, and effectively
1679 disables the use of proxy. */
1680 CURLOPT(CURLOPT_NOPROXY, CURLOPTTYPE_STRINGPOINT, 177),
1682 /* block size for TFTP transfers */
1683 CURLOPT(CURLOPT_TFTP_BLKSIZE, CURLOPTTYPE_LONG, 178),
1686 /* DEPRECATED, do not use! */
1687 CURLOPT(CURLOPT_SOCKS5_GSSAPI_SERVICE, CURLOPTTYPE_STRINGPOINT, 179),
1690 CURLOPT(CURLOPT_SOCKS5_GSSAPI_NEC, CURLOPTTYPE_LONG, 180),
1692 /* set the bitmask for the protocols that are allowed to be used for the
1693 transfer, which thus helps the app which takes URLs from users or other
1694 external inputs and want to restrict what protocol(s) to deal
1695 with. Defaults to CURLPROTO_ALL. */
1696 CURLOPT(CURLOPT_PROTOCOLS, CURLOPTTYPE_LONG, 181),
1698 /* set the bitmask for the protocols that libcurl is allowed to follow to,
1699 as a subset of the CURLOPT_PROTOCOLS ones. That means the protocol needs
1700 to be set in both bitmasks to be allowed to get redirected to. */
1701 CURLOPT(CURLOPT_REDIR_PROTOCOLS, CURLOPTTYPE_LONG, 182),
1703 /* set the SSH knownhost file name to use */
1704 CURLOPT(CURLOPT_SSH_KNOWNHOSTS, CURLOPTTYPE_STRINGPOINT, 183),
1706 /* set the SSH host key callback, must point to a curl_sshkeycallback
1708 CURLOPT(CURLOPT_SSH_KEYFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 184),
1710 /* set the SSH host key callback custom pointer */
1711 CURLOPT(CURLOPT_SSH_KEYDATA, CURLOPTTYPE_CBPOINT, 185),
1713 /* set the SMTP mail originator */
1714 CURLOPT(CURLOPT_MAIL_FROM, CURLOPTTYPE_STRINGPOINT, 186),
1716 /* set the list of SMTP mail receiver(s) */
1717 CURLOPT(CURLOPT_MAIL_RCPT, CURLOPTTYPE_SLISTPOINT, 187),
1719 /* FTP: send PRET before PASV */
1720 CURLOPT(CURLOPT_FTP_USE_PRET, CURLOPTTYPE_LONG, 188),
1722 /* RTSP request method (OPTIONS, SETUP, PLAY, etc...) */
1723 CURLOPT(CURLOPT_RTSP_REQUEST, CURLOPTTYPE_VALUES, 189),
1725 /* The RTSP session identifier */
1726 CURLOPT(CURLOPT_RTSP_SESSION_ID, CURLOPTTYPE_STRINGPOINT, 190),
1728 /* The RTSP stream URI */
1729 CURLOPT(CURLOPT_RTSP_STREAM_URI, CURLOPTTYPE_STRINGPOINT, 191),
1731 /* The Transport: header to use in RTSP requests */
1732 CURLOPT(CURLOPT_RTSP_TRANSPORT, CURLOPTTYPE_STRINGPOINT, 192),
1734 /* Manually initialize the client RTSP CSeq for this handle */
1735 CURLOPT(CURLOPT_RTSP_CLIENT_CSEQ, CURLOPTTYPE_LONG, 193),
1737 /* Manually initialize the server RTSP CSeq for this handle */
1738 CURLOPT(CURLOPT_RTSP_SERVER_CSEQ, CURLOPTTYPE_LONG, 194),
1740 /* The stream to pass to INTERLEAVEFUNCTION. */
1741 CURLOPT(CURLOPT_INTERLEAVEDATA, CURLOPTTYPE_CBPOINT, 195),
1743 /* Let the application define a custom write method for RTP data */
1744 CURLOPT(CURLOPT_INTERLEAVEFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 196),
1746 /* Turn on wildcard matching */
1747 CURLOPT(CURLOPT_WILDCARDMATCH, CURLOPTTYPE_LONG, 197),
1749 /* Directory matching callback called before downloading of an
1750 individual file (chunk) started */
1751 CURLOPT(CURLOPT_CHUNK_BGN_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 198),
1753 /* Directory matching callback called after the file (chunk)
1754 was downloaded, or skipped */
1755 CURLOPT(CURLOPT_CHUNK_END_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 199),
1757 /* Change match (fnmatch-like) callback for wildcard matching */
1758 CURLOPT(CURLOPT_FNMATCH_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 200),
1760 /* Let the application define custom chunk data pointer */
1761 CURLOPT(CURLOPT_CHUNK_DATA, CURLOPTTYPE_CBPOINT, 201),
1763 /* FNMATCH_FUNCTION user pointer */
1764 CURLOPT(CURLOPT_FNMATCH_DATA, CURLOPTTYPE_CBPOINT, 202),
1766 /* send linked-list of name:port:address sets */
1767 CURLOPT(CURLOPT_RESOLVE, CURLOPTTYPE_SLISTPOINT, 203),
1769 /* Set a username for authenticated TLS */
1770 CURLOPT(CURLOPT_TLSAUTH_USERNAME, CURLOPTTYPE_STRINGPOINT, 204),
1772 /* Set a password for authenticated TLS */
1773 CURLOPT(CURLOPT_TLSAUTH_PASSWORD, CURLOPTTYPE_STRINGPOINT, 205),
1775 /* Set authentication type for authenticated TLS */
1776 CURLOPT(CURLOPT_TLSAUTH_TYPE, CURLOPTTYPE_STRINGPOINT, 206),
1778 /* Set to 1 to enable the "TE:" header in HTTP requests to ask for
1779 compressed transfer-encoded responses. Set to 0 to disable the use of TE:
1780 in outgoing requests. The current default is 0, but it might change in a
1781 future libcurl release.
1783 libcurl will ask for the compressed methods it knows of, and if that
1784 isn't any, it will not ask for transfer-encoding at all even if this
1788 CURLOPT(CURLOPT_TRANSFER_ENCODING, CURLOPTTYPE_LONG, 207),
1790 /* Callback function for closing socket (instead of close(2)). The callback
1791 should have type curl_closesocket_callback */
1792 CURLOPT(CURLOPT_CLOSESOCKETFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 208),
1793 CURLOPT(CURLOPT_CLOSESOCKETDATA, CURLOPTTYPE_CBPOINT, 209),
1795 /* allow GSSAPI credential delegation */
1796 CURLOPT(CURLOPT_GSSAPI_DELEGATION, CURLOPTTYPE_VALUES, 210),
1798 /* Set the name servers to use for DNS resolution */
1799 CURLOPT(CURLOPT_DNS_SERVERS, CURLOPTTYPE_STRINGPOINT, 211),
1801 /* Time-out accept operations (currently for FTP only) after this amount
1803 CURLOPT(CURLOPT_ACCEPTTIMEOUT_MS, CURLOPTTYPE_LONG, 212),
1805 /* Set TCP keepalive */
1806 CURLOPT(CURLOPT_TCP_KEEPALIVE, CURLOPTTYPE_LONG, 213),
1808 /* non-universal keepalive knobs (Linux, AIX, HP-UX, more) */
1809 CURLOPT(CURLOPT_TCP_KEEPIDLE, CURLOPTTYPE_LONG, 214),
1810 CURLOPT(CURLOPT_TCP_KEEPINTVL, CURLOPTTYPE_LONG, 215),
1812 /* Enable/disable specific SSL features with a bitmask, see CURLSSLOPT_* */
1813 CURLOPT(CURLOPT_SSL_OPTIONS, CURLOPTTYPE_VALUES, 216),
1815 /* Set the SMTP auth originator */
1816 CURLOPT(CURLOPT_MAIL_AUTH, CURLOPTTYPE_STRINGPOINT, 217),
1818 /* Enable/disable SASL initial response */
1819 CURLOPT(CURLOPT_SASL_IR, CURLOPTTYPE_LONG, 218),
1821 /* Function that will be called instead of the internal progress display
1822 * function. This function should be defined as the curl_xferinfo_callback
1823 * prototype defines. (Deprecates CURLOPT_PROGRESSFUNCTION) */
1824 CURLOPT(CURLOPT_XFERINFOFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 219),
1826 /* The XOAUTH2 bearer token */
1827 CURLOPT(CURLOPT_XOAUTH2_BEARER, CURLOPTTYPE_STRINGPOINT, 220),
1829 /* Set the interface string to use as outgoing network
1830 * interface for DNS requests.
1831 * Only supported by the c-ares DNS backend */
1832 CURLOPT(CURLOPT_DNS_INTERFACE, CURLOPTTYPE_STRINGPOINT, 221),
1834 /* Set the local IPv4 address to use for outgoing DNS requests.
1835 * Only supported by the c-ares DNS backend */
1836 CURLOPT(CURLOPT_DNS_LOCAL_IP4, CURLOPTTYPE_STRINGPOINT, 222),
1838 /* Set the local IPv6 address to use for outgoing DNS requests.
1839 * Only supported by the c-ares DNS backend */
1840 CURLOPT(CURLOPT_DNS_LOCAL_IP6, CURLOPTTYPE_STRINGPOINT, 223),
1842 /* Set authentication options directly */
1843 CURLOPT(CURLOPT_LOGIN_OPTIONS, CURLOPTTYPE_STRINGPOINT, 224),
1845 /* Enable/disable TLS NPN extension (http2 over ssl might fail without) */
1846 CURLOPT(CURLOPT_SSL_ENABLE_NPN, CURLOPTTYPE_LONG, 225),
1848 /* Enable/disable TLS ALPN extension (http2 over ssl might fail without) */
1849 CURLOPT(CURLOPT_SSL_ENABLE_ALPN, CURLOPTTYPE_LONG, 226),
1851 /* Time to wait for a response to a HTTP request containing an
1852 * Expect: 100-continue header before sending the data anyway. */
1853 CURLOPT(CURLOPT_EXPECT_100_TIMEOUT_MS, CURLOPTTYPE_LONG, 227),
1855 /* This points to a linked list of headers used for proxy requests only,
1856 struct curl_slist kind */
1857 CURLOPT(CURLOPT_PROXYHEADER, CURLOPTTYPE_SLISTPOINT, 228),
1859 /* Pass in a bitmask of "header options" */
1860 CURLOPT(CURLOPT_HEADEROPT, CURLOPTTYPE_VALUES, 229),
1862 /* The public key in DER form used to validate the peer public key
1863 this option is used only if SSL_VERIFYPEER is true */
1864 CURLOPT(CURLOPT_PINNEDPUBLICKEY, CURLOPTTYPE_STRINGPOINT, 230),
1866 /* Path to Unix domain socket */
1867 CURLOPT(CURLOPT_UNIX_SOCKET_PATH, CURLOPTTYPE_STRINGPOINT, 231),
1869 /* Set if we should verify the certificate status. */
1870 CURLOPT(CURLOPT_SSL_VERIFYSTATUS, CURLOPTTYPE_LONG, 232),
1872 /* Set if we should enable TLS false start. */
1873 CURLOPT(CURLOPT_SSL_FALSESTART, CURLOPTTYPE_LONG, 233),
1875 /* Do not squash dot-dot sequences */
1876 CURLOPT(CURLOPT_PATH_AS_IS, CURLOPTTYPE_LONG, 234),
1878 /* Proxy Service Name */
1879 CURLOPT(CURLOPT_PROXY_SERVICE_NAME, CURLOPTTYPE_STRINGPOINT, 235),
1882 CURLOPT(CURLOPT_SERVICE_NAME, CURLOPTTYPE_STRINGPOINT, 236),
1884 /* Wait/don't wait for pipe/mutex to clarify */
1885 CURLOPT(CURLOPT_PIPEWAIT, CURLOPTTYPE_LONG, 237),
1887 /* Set the protocol used when curl is given a URL without a protocol */
1888 CURLOPT(CURLOPT_DEFAULT_PROTOCOL, CURLOPTTYPE_STRINGPOINT, 238),
1890 /* Set stream weight, 1 - 256 (default is 16) */
1891 CURLOPT(CURLOPT_STREAM_WEIGHT, CURLOPTTYPE_LONG, 239),
1893 /* Set stream dependency on another CURL handle */
1894 CURLOPT(CURLOPT_STREAM_DEPENDS, CURLOPTTYPE_OBJECTPOINT, 240),
1896 /* Set E-xclusive stream dependency on another CURL handle */
1897 CURLOPT(CURLOPT_STREAM_DEPENDS_E, CURLOPTTYPE_OBJECTPOINT, 241),
1899 /* Do not send any tftp option requests to the server */
1900 CURLOPT(CURLOPT_TFTP_NO_OPTIONS, CURLOPTTYPE_LONG, 242),
1902 /* Linked-list of host:port:connect-to-host:connect-to-port,
1903 overrides the URL's host:port (only for the network layer) */
1904 CURLOPT(CURLOPT_CONNECT_TO, CURLOPTTYPE_SLISTPOINT, 243),
1906 /* Set TCP Fast Open */
1907 CURLOPT(CURLOPT_TCP_FASTOPEN, CURLOPTTYPE_LONG, 244),
1909 /* Continue to send data if the server responds early with an
1910 * HTTP status code >= 300 */
1911 CURLOPT(CURLOPT_KEEP_SENDING_ON_ERROR, CURLOPTTYPE_LONG, 245),
1913 /* The CApath or CAfile used to validate the proxy certificate
1914 this option is used only if PROXY_SSL_VERIFYPEER is true */
1915 CURLOPT(CURLOPT_PROXY_CAINFO, CURLOPTTYPE_STRINGPOINT, 246),
1917 /* The CApath directory used to validate the proxy certificate
1918 this option is used only if PROXY_SSL_VERIFYPEER is true */
1919 CURLOPT(CURLOPT_PROXY_CAPATH, CURLOPTTYPE_STRINGPOINT, 247),
1921 /* Set if we should verify the proxy in ssl handshake,
1923 CURLOPT(CURLOPT_PROXY_SSL_VERIFYPEER, CURLOPTTYPE_LONG, 248),
1925 /* Set if we should verify the Common name from the proxy certificate in ssl
1926 * handshake, set 1 to check existence, 2 to ensure that it matches
1927 * the provided hostname. */
1928 CURLOPT(CURLOPT_PROXY_SSL_VERIFYHOST, CURLOPTTYPE_LONG, 249),
1930 /* What version to specifically try to use for proxy.
1931 See CURL_SSLVERSION defines below. */
1932 CURLOPT(CURLOPT_PROXY_SSLVERSION, CURLOPTTYPE_VALUES, 250),
1934 /* Set a username for authenticated TLS for proxy */
1935 CURLOPT(CURLOPT_PROXY_TLSAUTH_USERNAME, CURLOPTTYPE_STRINGPOINT, 251),
1937 /* Set a password for authenticated TLS for proxy */
1938 CURLOPT(CURLOPT_PROXY_TLSAUTH_PASSWORD, CURLOPTTYPE_STRINGPOINT, 252),
1940 /* Set authentication type for authenticated TLS for proxy */
1941 CURLOPT(CURLOPT_PROXY_TLSAUTH_TYPE, CURLOPTTYPE_STRINGPOINT, 253),
1943 /* name of the file keeping your private SSL-certificate for proxy */
1944 CURLOPT(CURLOPT_PROXY_SSLCERT, CURLOPTTYPE_STRINGPOINT, 254),
1946 /* type of the file keeping your SSL-certificate ("DER", "PEM", "ENG") for
1948 CURLOPT(CURLOPT_PROXY_SSLCERTTYPE, CURLOPTTYPE_STRINGPOINT, 255),
1950 /* name of the file keeping your private SSL-key for proxy */
1951 CURLOPT(CURLOPT_PROXY_SSLKEY, CURLOPTTYPE_STRINGPOINT, 256),
1953 /* type of the file keeping your private SSL-key ("DER", "PEM", "ENG") for
1955 CURLOPT(CURLOPT_PROXY_SSLKEYTYPE, CURLOPTTYPE_STRINGPOINT, 257),
1957 /* password for the SSL private key for proxy */
1958 CURLOPT(CURLOPT_PROXY_KEYPASSWD, CURLOPTTYPE_STRINGPOINT, 258),
1960 /* Specify which SSL ciphers to use for proxy */
1961 CURLOPT(CURLOPT_PROXY_SSL_CIPHER_LIST, CURLOPTTYPE_STRINGPOINT, 259),
1963 /* CRL file for proxy */
1964 CURLOPT(CURLOPT_PROXY_CRLFILE, CURLOPTTYPE_STRINGPOINT, 260),
1966 /* Enable/disable specific SSL features with a bitmask for proxy, see
1968 CURLOPT(CURLOPT_PROXY_SSL_OPTIONS, CURLOPTTYPE_LONG, 261),
1970 /* Name of pre proxy to use. */
1971 CURLOPT(CURLOPT_PRE_PROXY, CURLOPTTYPE_STRINGPOINT, 262),
1973 /* The public key in DER form used to validate the proxy public key
1974 this option is used only if PROXY_SSL_VERIFYPEER is true */
1975 CURLOPT(CURLOPT_PROXY_PINNEDPUBLICKEY, CURLOPTTYPE_STRINGPOINT, 263),
1977 /* Path to an abstract Unix domain socket */
1978 CURLOPT(CURLOPT_ABSTRACT_UNIX_SOCKET, CURLOPTTYPE_STRINGPOINT, 264),
1980 /* Suppress proxy CONNECT response headers from user callbacks */
1981 CURLOPT(CURLOPT_SUPPRESS_CONNECT_HEADERS, CURLOPTTYPE_LONG, 265),
1983 /* The request target, instead of extracted from the URL */
1984 CURLOPT(CURLOPT_REQUEST_TARGET, CURLOPTTYPE_STRINGPOINT, 266),
1986 /* bitmask of allowed auth methods for connections to SOCKS5 proxies */
1987 CURLOPT(CURLOPT_SOCKS5_AUTH, CURLOPTTYPE_LONG, 267),
1989 /* Enable/disable SSH compression */
1990 CURLOPT(CURLOPT_SSH_COMPRESSION, CURLOPTTYPE_LONG, 268),
1992 /* Post MIME data. */
1993 CURLOPT(CURLOPT_MIMEPOST, CURLOPTTYPE_OBJECTPOINT, 269),
1995 /* Time to use with the CURLOPT_TIMECONDITION. Specified in number of
1996 seconds since 1 Jan 1970. */
1997 CURLOPT(CURLOPT_TIMEVALUE_LARGE, CURLOPTTYPE_OFF_T, 270),
1999 /* Head start in milliseconds to give happy eyeballs. */
2000 CURLOPT(CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS, CURLOPTTYPE_LONG, 271),
2002 /* Function that will be called before a resolver request is made */
2003 CURLOPT(CURLOPT_RESOLVER_START_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 272),
2005 /* User data to pass to the resolver start callback. */
2006 CURLOPT(CURLOPT_RESOLVER_START_DATA, CURLOPTTYPE_CBPOINT, 273),
2008 /* send HAProxy PROXY protocol header? */
2009 CURLOPT(CURLOPT_HAPROXYPROTOCOL, CURLOPTTYPE_LONG, 274),
2011 /* shuffle addresses before use when DNS returns multiple */
2012 CURLOPT(CURLOPT_DNS_SHUFFLE_ADDRESSES, CURLOPTTYPE_LONG, 275),
2014 /* Specify which TLS 1.3 ciphers suites to use */
2015 CURLOPT(CURLOPT_TLS13_CIPHERS, CURLOPTTYPE_STRINGPOINT, 276),
2016 CURLOPT(CURLOPT_PROXY_TLS13_CIPHERS, CURLOPTTYPE_STRINGPOINT, 277),
2018 /* Disallow specifying username/login in URL. */
2019 CURLOPT(CURLOPT_DISALLOW_USERNAME_IN_URL, CURLOPTTYPE_LONG, 278),
2021 /* DNS-over-HTTPS URL */
2022 CURLOPT(CURLOPT_DOH_URL, CURLOPTTYPE_STRINGPOINT, 279),
2024 /* Preferred buffer size to use for uploads */
2025 CURLOPT(CURLOPT_UPLOAD_BUFFERSIZE, CURLOPTTYPE_LONG, 280),
2027 /* Time in ms between connection upkeep calls for long-lived connections. */
2028 CURLOPT(CURLOPT_UPKEEP_INTERVAL_MS, CURLOPTTYPE_LONG, 281),
2030 /* Specify URL using CURL URL API. */
2031 CURLOPT(CURLOPT_CURLU, CURLOPTTYPE_OBJECTPOINT, 282),
2033 /* add trailing data just after no more data is available */
2034 CURLOPT(CURLOPT_TRAILERFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 283),
2036 /* pointer to be passed to HTTP_TRAILER_FUNCTION */
2037 CURLOPT(CURLOPT_TRAILERDATA, CURLOPTTYPE_CBPOINT, 284),
2039 /* set this to 1L to allow HTTP/0.9 responses or 0L to disallow */
2040 CURLOPT(CURLOPT_HTTP09_ALLOWED, CURLOPTTYPE_LONG, 285),
2042 /* alt-svc control bitmask */
2043 CURLOPT(CURLOPT_ALTSVC_CTRL, CURLOPTTYPE_LONG, 286),
2045 /* alt-svc cache file name to possibly read from/write to */
2046 CURLOPT(CURLOPT_ALTSVC, CURLOPTTYPE_STRINGPOINT, 287),
2048 /* maximum age (idle time) of a connection to consider it for reuse
2050 CURLOPT(CURLOPT_MAXAGE_CONN, CURLOPTTYPE_LONG, 288),
2052 /* SASL authorization identity */
2053 CURLOPT(CURLOPT_SASL_AUTHZID, CURLOPTTYPE_STRINGPOINT, 289),
2055 /* allow RCPT TO command to fail for some recipients */
2056 CURLOPT(CURLOPT_MAIL_RCPT_ALLLOWFAILS, CURLOPTTYPE_LONG, 290),
2058 /* the private SSL-certificate as a "blob" */
2059 CURLOPT(CURLOPT_SSLCERT_BLOB, CURLOPTTYPE_BLOB, 291),
2060 CURLOPT(CURLOPT_SSLKEY_BLOB, CURLOPTTYPE_BLOB, 292),
2061 CURLOPT(CURLOPT_PROXY_SSLCERT_BLOB, CURLOPTTYPE_BLOB, 293),
2062 CURLOPT(CURLOPT_PROXY_SSLKEY_BLOB, CURLOPTTYPE_BLOB, 294),
2063 CURLOPT(CURLOPT_ISSUERCERT_BLOB, CURLOPTTYPE_BLOB, 295),
2065 /* Issuer certificate for proxy */
2066 CURLOPT(CURLOPT_PROXY_ISSUERCERT, CURLOPTTYPE_STRINGPOINT, 296),
2067 CURLOPT(CURLOPT_PROXY_ISSUERCERT_BLOB, CURLOPTTYPE_BLOB, 297),
2069 /* the EC curves requested by the TLS client (RFC 8422, 5.1);
2070 * OpenSSL support via 'set_groups'/'set_curves':
2071 * https://www.openssl.org/docs/manmaster/man3/SSL_CTX_set1_groups.html
2073 CURLOPT(CURLOPT_SSL_EC_CURVES, CURLOPTTYPE_STRINGPOINT, 298),
2076 CURLOPT(CURLOPT_HSTS_CTRL, CURLOPTTYPE_LONG, 299),
2077 /* HSTS file name */
2078 CURLOPT(CURLOPT_HSTS, CURLOPTTYPE_STRINGPOINT, 300),
2080 /* HSTS read callback */
2081 CURLOPT(CURLOPT_HSTSREADFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 301),
2082 CURLOPT(CURLOPT_HSTSREADDATA, CURLOPTTYPE_CBPOINT, 302),
2084 /* HSTS write callback */
2085 CURLOPT(CURLOPT_HSTSWRITEFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 303),
2086 CURLOPT(CURLOPT_HSTSWRITEDATA, CURLOPTTYPE_CBPOINT, 304),
2088 /* Parameters for V4 signature */
2089 CURLOPT(CURLOPT_AWS_SIGV4, CURLOPTTYPE_STRINGPOINT, 305),
2091 /* Same as CURLOPT_SSL_VERIFYPEER but for DoH (DNS-over-HTTPS) servers. */
2092 CURLOPT(CURLOPT_DOH_SSL_VERIFYPEER, CURLOPTTYPE_LONG, 306),
2094 /* Same as CURLOPT_SSL_VERIFYHOST but for DoH (DNS-over-HTTPS) servers. */
2095 CURLOPT(CURLOPT_DOH_SSL_VERIFYHOST, CURLOPTTYPE_LONG, 307),
2097 /* Same as CURLOPT_SSL_VERIFYSTATUS but for DoH (DNS-over-HTTPS) servers. */
2098 CURLOPT(CURLOPT_DOH_SSL_VERIFYSTATUS, CURLOPTTYPE_LONG, 308),
2100 /* The CA certificates as "blob" used to validate the peer certificate
2101 this option is used only if SSL_VERIFYPEER is true */
2102 CURLOPT(CURLOPT_CAINFO_BLOB, CURLOPTTYPE_BLOB, 309),
2104 /* The CA certificates as "blob" used to validate the proxy certificate
2105 this option is used only if PROXY_SSL_VERIFYPEER is true */
2106 CURLOPT(CURLOPT_PROXY_CAINFO_BLOB, CURLOPTTYPE_BLOB, 310),
2108 /* used by scp/sftp to verify the host's public key */
2109 CURLOPT(CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256, CURLOPTTYPE_STRINGPOINT, 311),
2111 /* Function that will be called immediately before the initial request
2112 is made on a connection (after any protocol negotiation step). */
2113 CURLOPT(CURLOPT_PREREQFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 312),
2115 /* Data passed to the CURLOPT_PREREQFUNCTION callback */
2116 CURLOPT(CURLOPT_PREREQDATA, CURLOPTTYPE_CBPOINT, 313),
2118 /* maximum age (since creation) of a connection to consider it for reuse
2120 CURLOPT(CURLOPT_MAXLIFETIME_CONN, CURLOPTTYPE_LONG, 314),
2122 /* Set MIME option flags. */
2123 CURLOPT(CURLOPT_MIME_OPTIONS, CURLOPTTYPE_LONG, 315),
2125 CURLOPT_LASTENTRY /* the last unused */
2128 #ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
2129 the obsolete stuff removed! */
2131 /* Backwards compatibility with older names */
2132 /* These are scheduled to disappear by 2011 */
2134 /* This was added in version 7.19.1 */
2135 #define CURLOPT_POST301 CURLOPT_POSTREDIR
2137 /* These are scheduled to disappear by 2009 */
2139 /* The following were added in 7.17.0 */
2140 #define CURLOPT_SSLKEYPASSWD CURLOPT_KEYPASSWD
2141 #define CURLOPT_FTPAPPEND CURLOPT_APPEND
2142 #define CURLOPT_FTPLISTONLY CURLOPT_DIRLISTONLY
2143 #define CURLOPT_FTP_SSL CURLOPT_USE_SSL
2145 /* The following were added earlier */
2147 #define CURLOPT_SSLCERTPASSWD CURLOPT_KEYPASSWD
2148 #define CURLOPT_KRB4LEVEL CURLOPT_KRBLEVEL
2151 /* This is set if CURL_NO_OLDIES is defined at compile-time */
2152 #undef CURLOPT_DNS_USE_GLOBAL_CACHE /* soon obsolete */
2156 /* Below here follows defines for the CURLOPT_IPRESOLVE option. If a host
2157 name resolves addresses using more than one IP protocol version, this
2158 option might be handy to force libcurl to use a specific IP version. */
2159 #define CURL_IPRESOLVE_WHATEVER 0 /* default, uses addresses to all IP
2160 versions that your system allows */
2161 #define CURL_IPRESOLVE_V4 1 /* uses only IPv4 addresses/connections */
2162 #define CURL_IPRESOLVE_V6 2 /* uses only IPv6 addresses/connections */
2164 /* three convenient "aliases" that follow the name scheme better */
2165 #define CURLOPT_RTSPHEADER CURLOPT_HTTPHEADER
2167 /* These enums are for use with the CURLOPT_HTTP_VERSION option. */
2169 CURL_HTTP_VERSION_NONE, /* setting this means we don't care, and that we'd
2170 like the library to choose the best possible
2172 CURL_HTTP_VERSION_1_0, /* please use HTTP 1.0 in the request */
2173 CURL_HTTP_VERSION_1_1, /* please use HTTP 1.1 in the request */
2174 CURL_HTTP_VERSION_2_0, /* please use HTTP 2 in the request */
2175 CURL_HTTP_VERSION_2TLS, /* use version 2 for HTTPS, version 1.1 for HTTP */
2176 CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE, /* please use HTTP 2 without HTTP/1.1
2178 CURL_HTTP_VERSION_3 = 30, /* Makes use of explicit HTTP/3 without fallback.
2179 Use CURLOPT_ALTSVC to enable HTTP/3 upgrade */
2180 CURL_HTTP_VERSION_LAST /* *ILLEGAL* http version */
2183 /* Convenience definition simple because the name of the version is HTTP/2 and
2184 not 2.0. The 2_0 version of the enum name was set while the version was
2185 still planned to be 2.0 and we stick to it for compatibility. */
2186 #define CURL_HTTP_VERSION_2 CURL_HTTP_VERSION_2_0
2189 * Public API enums for RTSP requests
2192 CURL_RTSPREQ_NONE, /* first in list */
2193 CURL_RTSPREQ_OPTIONS,
2194 CURL_RTSPREQ_DESCRIBE,
2195 CURL_RTSPREQ_ANNOUNCE,
2199 CURL_RTSPREQ_TEARDOWN,
2200 CURL_RTSPREQ_GET_PARAMETER,
2201 CURL_RTSPREQ_SET_PARAMETER,
2202 CURL_RTSPREQ_RECORD,
2203 CURL_RTSPREQ_RECEIVE,
2204 CURL_RTSPREQ_LAST /* last in list */
2207 /* These enums are for use with the CURLOPT_NETRC option. */
2208 enum CURL_NETRC_OPTION {
2209 CURL_NETRC_IGNORED, /* The .netrc will never be read.
2210 * This is the default. */
2211 CURL_NETRC_OPTIONAL, /* A user:password in the URL will be preferred
2212 * to one in the .netrc. */
2213 CURL_NETRC_REQUIRED, /* A user:password in the URL will be ignored.
2214 * Unless one is set programmatically, the .netrc
2215 * will be queried. */
2220 CURL_SSLVERSION_DEFAULT,
2221 CURL_SSLVERSION_TLSv1, /* TLS 1.x */
2222 CURL_SSLVERSION_SSLv2,
2223 CURL_SSLVERSION_SSLv3,
2224 CURL_SSLVERSION_TLSv1_0,
2225 CURL_SSLVERSION_TLSv1_1,
2226 CURL_SSLVERSION_TLSv1_2,
2227 CURL_SSLVERSION_TLSv1_3,
2229 CURL_SSLVERSION_LAST /* never use, keep last */
2233 CURL_SSLVERSION_MAX_NONE = 0,
2234 CURL_SSLVERSION_MAX_DEFAULT = (CURL_SSLVERSION_TLSv1 << 16),
2235 CURL_SSLVERSION_MAX_TLSv1_0 = (CURL_SSLVERSION_TLSv1_0 << 16),
2236 CURL_SSLVERSION_MAX_TLSv1_1 = (CURL_SSLVERSION_TLSv1_1 << 16),
2237 CURL_SSLVERSION_MAX_TLSv1_2 = (CURL_SSLVERSION_TLSv1_2 << 16),
2238 CURL_SSLVERSION_MAX_TLSv1_3 = (CURL_SSLVERSION_TLSv1_3 << 16),
2240 /* never use, keep last */
2241 CURL_SSLVERSION_MAX_LAST = (CURL_SSLVERSION_LAST << 16)
2247 CURL_TLSAUTH_LAST /* never use, keep last */
2250 /* symbols to use with CURLOPT_POSTREDIR.
2251 CURL_REDIR_POST_301, CURL_REDIR_POST_302 and CURL_REDIR_POST_303
2252 can be bitwise ORed so that CURL_REDIR_POST_301 | CURL_REDIR_POST_302
2253 | CURL_REDIR_POST_303 == CURL_REDIR_POST_ALL */
2255 #define CURL_REDIR_GET_ALL 0
2256 #define CURL_REDIR_POST_301 1
2257 #define CURL_REDIR_POST_302 2
2258 #define CURL_REDIR_POST_303 4
2259 #define CURL_REDIR_POST_ALL \
2260 (CURL_REDIR_POST_301|CURL_REDIR_POST_302|CURL_REDIR_POST_303)
2265 CURL_TIMECOND_IFMODSINCE,
2266 CURL_TIMECOND_IFUNMODSINCE,
2267 CURL_TIMECOND_LASTMOD,
2272 /* Special size_t value signaling a null-terminated string. */
2273 #define CURL_ZERO_TERMINATED ((size_t) -1)
2275 /* curl_strequal() and curl_strnequal() are subject for removal in a future
2277 CURL_EXTERN int curl_strequal(const char *s1, const char *s2);
2278 CURL_EXTERN int curl_strnequal(const char *s1, const char *s2, size_t n);
2280 /* Mime/form handling support. */
2281 typedef struct curl_mime curl_mime; /* Mime context. */
2282 typedef struct curl_mimepart curl_mimepart; /* Mime part context. */
2284 /* CURLMIMEOPT_ defines are for the CURLOPT_MIME_OPTIONS option. */
2285 #define CURLMIMEOPT_FORMESCAPE (1<<0) /* Use backslash-escaping for forms. */
2288 * NAME curl_mime_init()
2292 * Create a mime context and return its handle. The easy parameter is the
2295 CURL_EXTERN curl_mime *curl_mime_init(CURL *easy);
2298 * NAME curl_mime_free()
2302 * release a mime handle and its substructures.
2304 CURL_EXTERN void curl_mime_free(curl_mime *mime);
2307 * NAME curl_mime_addpart()
2311 * Append a new empty part to the given mime context and return a handle to
2314 CURL_EXTERN curl_mimepart *curl_mime_addpart(curl_mime *mime);
2317 * NAME curl_mime_name()
2321 * Set mime/form part name.
2323 CURL_EXTERN CURLcode curl_mime_name(curl_mimepart *part, const char *name);
2326 * NAME curl_mime_filename()
2330 * Set mime part remote file name.
2332 CURL_EXTERN CURLcode curl_mime_filename(curl_mimepart *part,
2333 const char *filename);
2336 * NAME curl_mime_type()
2340 * Set mime part type.
2342 CURL_EXTERN CURLcode curl_mime_type(curl_mimepart *part, const char *mimetype);
2345 * NAME curl_mime_encoder()
2349 * Set mime data transfer encoder.
2351 CURL_EXTERN CURLcode curl_mime_encoder(curl_mimepart *part,
2352 const char *encoding);
2355 * NAME curl_mime_data()
2359 * Set mime part data source from memory data,
2361 CURL_EXTERN CURLcode curl_mime_data(curl_mimepart *part,
2362 const char *data, size_t datasize);
2365 * NAME curl_mime_filedata()
2369 * Set mime part data source from named file.
2371 CURL_EXTERN CURLcode curl_mime_filedata(curl_mimepart *part,
2372 const char *filename);
2375 * NAME curl_mime_data_cb()
2379 * Set mime part data source from callback function.
2381 CURL_EXTERN CURLcode curl_mime_data_cb(curl_mimepart *part,
2382 curl_off_t datasize,
2383 curl_read_callback readfunc,
2384 curl_seek_callback seekfunc,
2385 curl_free_callback freefunc,
2389 * NAME curl_mime_subparts()
2393 * Set mime part data source from subparts.
2395 CURL_EXTERN CURLcode curl_mime_subparts(curl_mimepart *part,
2396 curl_mime *subparts);
2398 * NAME curl_mime_headers()
2402 * Set mime part headers.
2404 CURL_EXTERN CURLcode curl_mime_headers(curl_mimepart *part,
2405 struct curl_slist *headers,
2406 int take_ownership);
2409 CURLFORM_NOTHING, /********* the first one is unused ************/
2412 CURLFORM_NAMELENGTH,
2413 CURLFORM_COPYCONTENTS,
2414 CURLFORM_PTRCONTENTS,
2415 CURLFORM_CONTENTSLENGTH,
2416 CURLFORM_FILECONTENT,
2423 CURLFORM_BUFFERLENGTH,
2425 CURLFORM_CONTENTTYPE,
2426 CURLFORM_CONTENTHEADER,
2432 CURLFORM_CONTENTLEN, /* added in 7.46.0, provide a curl_off_t length */
2434 CURLFORM_LASTENTRY /* the last unused */
2437 /* structure to be used as parameter for CURLFORM_ARRAY */
2439 CURLformoption option;
2443 /* use this for multipart formpost building */
2444 /* Returns code for curl_formadd()
2447 * CURL_FORMADD_OK on success
2448 * CURL_FORMADD_MEMORY if the FormInfo allocation fails
2449 * CURL_FORMADD_OPTION_TWICE if one option is given twice for one Form
2450 * CURL_FORMADD_NULL if a null pointer was given for a char
2451 * CURL_FORMADD_MEMORY if the allocation of a FormInfo struct failed
2452 * CURL_FORMADD_UNKNOWN_OPTION if an unknown option was used
2453 * CURL_FORMADD_INCOMPLETE if the some FormInfo is not complete (or error)
2454 * CURL_FORMADD_MEMORY if a curl_httppost struct cannot be allocated
2455 * CURL_FORMADD_MEMORY if some allocation for string copying failed.
2456 * CURL_FORMADD_ILLEGAL_ARRAY if an illegal option is used in an array
2458 ***************************************************************************/
2460 CURL_FORMADD_OK, /* first, no error */
2462 CURL_FORMADD_MEMORY,
2463 CURL_FORMADD_OPTION_TWICE,
2465 CURL_FORMADD_UNKNOWN_OPTION,
2466 CURL_FORMADD_INCOMPLETE,
2467 CURL_FORMADD_ILLEGAL_ARRAY,
2468 CURL_FORMADD_DISABLED, /* libcurl was built with this disabled */
2470 CURL_FORMADD_LAST /* last */
2474 * NAME curl_formadd()
2478 * Pretty advanced function for building multi-part formposts. Each invoke
2479 * adds one part that together construct a full post. Then use
2480 * CURLOPT_HTTPPOST to send it off to libcurl.
2482 CURL_EXTERN CURLFORMcode curl_formadd(struct curl_httppost **httppost,
2483 struct curl_httppost **last_post,
2487 * callback function for curl_formget()
2488 * The void *arg pointer will be the one passed as second argument to
2490 * The character buffer passed to it must not be freed.
2491 * Should return the buffer length passed to it as the argument "len" on
2494 typedef size_t (*curl_formget_callback)(void *arg, const char *buf,
2498 * NAME curl_formget()
2502 * Serialize a curl_httppost struct built with curl_formadd().
2503 * Accepts a void pointer as second argument which will be passed to
2504 * the curl_formget_callback function.
2505 * Returns 0 on success.
2507 CURL_EXTERN int curl_formget(struct curl_httppost *form, void *arg,
2508 curl_formget_callback append);
2510 * NAME curl_formfree()
2514 * Free a multipart formpost previously built with curl_formadd().
2516 CURL_EXTERN void curl_formfree(struct curl_httppost *form);
2519 * NAME curl_getenv()
2523 * Returns a malloc()'ed string that MUST be curl_free()ed after usage is
2524 * complete. DEPRECATED - see lib/README.curlx
2526 CURL_EXTERN char *curl_getenv(const char *variable);
2529 * NAME curl_version()
2533 * Returns a static ascii string of the libcurl version.
2535 CURL_EXTERN char *curl_version(void);
2538 * NAME curl_easy_escape()
2542 * Escapes URL strings (converts all letters consider illegal in URLs to their
2543 * %XX versions). This function returns a new allocated string or NULL if an
2546 CURL_EXTERN char *curl_easy_escape(CURL *handle,
2550 /* the previous version: */
2551 CURL_EXTERN char *curl_escape(const char *string,
2556 * NAME curl_easy_unescape()
2560 * Unescapes URL encoding in strings (converts all %XX codes to their 8bit
2561 * versions). This function returns a new allocated string or NULL if an error
2563 * Conversion Note: On non-ASCII platforms the ASCII %XX codes are
2564 * converted into the host encoding.
2566 CURL_EXTERN char *curl_easy_unescape(CURL *handle,
2571 /* the previous version */
2572 CURL_EXTERN char *curl_unescape(const char *string,
2580 * Provided for de-allocation in the same translation unit that did the
2581 * allocation. Added in libcurl 7.10
2583 CURL_EXTERN void curl_free(void *p);
2586 * NAME curl_global_init()
2590 * curl_global_init() should be invoked exactly once for each application that
2591 * uses libcurl and before any call of other libcurl functions.
2593 * This function is not thread-safe!
2595 CURL_EXTERN CURLcode curl_global_init(long flags);
2598 * NAME curl_global_init_mem()
2602 * curl_global_init() or curl_global_init_mem() should be invoked exactly once
2603 * for each application that uses libcurl. This function can be used to
2604 * initialize libcurl and set user defined memory management callback
2605 * functions. Users can implement memory management routines to check for
2606 * memory leaks, check for mis-use of the curl library etc. User registered
2607 * callback routines will be invoked by this library instead of the system
2608 * memory management routines like malloc, free etc.
2610 CURL_EXTERN CURLcode curl_global_init_mem(long flags,
2611 curl_malloc_callback m,
2612 curl_free_callback f,
2613 curl_realloc_callback r,
2614 curl_strdup_callback s,
2615 curl_calloc_callback c);
2618 * NAME curl_global_cleanup()
2622 * curl_global_cleanup() should be invoked exactly once for each application
2625 CURL_EXTERN void curl_global_cleanup(void);
2627 /* linked-list structure for the CURLOPT_QUOTE option (and other) */
2630 struct curl_slist *next;
2634 * NAME curl_global_sslset()
2638 * When built with multiple SSL backends, curl_global_sslset() allows to
2639 * choose one. This function can only be called once, and it must be called
2640 * *before* curl_global_init().
2642 * The backend can be identified by the id (e.g. CURLSSLBACKEND_OPENSSL). The
2643 * backend can also be specified via the name parameter (passing -1 as id).
2644 * If both id and name are specified, the name will be ignored. If neither id
2645 * nor name are specified, the function will fail with
2646 * CURLSSLSET_UNKNOWN_BACKEND and set the "avail" pointer to the
2647 * NULL-terminated list of available backends.
2649 * Upon success, the function returns CURLSSLSET_OK.
2651 * If the specified SSL backend is not available, the function returns
2652 * CURLSSLSET_UNKNOWN_BACKEND and sets the "avail" pointer to a NULL-terminated
2653 * list of available SSL backends.
2655 * The SSL backend can be set only once. If it has already been set, a
2656 * subsequent attempt to change it will result in a CURLSSLSET_TOO_LATE.
2659 struct curl_ssl_backend {
2663 typedef struct curl_ssl_backend curl_ssl_backend;
2667 CURLSSLSET_UNKNOWN_BACKEND,
2668 CURLSSLSET_TOO_LATE,
2669 CURLSSLSET_NO_BACKENDS /* libcurl was built without any SSL support */
2672 CURL_EXTERN CURLsslset curl_global_sslset(curl_sslbackend id, const char *name,
2673 const curl_ssl_backend ***avail);
2676 * NAME curl_slist_append()
2680 * Appends a string to a linked list. If no list exists, it will be created
2681 * first. Returns the new list, after appending.
2683 CURL_EXTERN struct curl_slist *curl_slist_append(struct curl_slist *,
2687 * NAME curl_slist_free_all()
2691 * free a previously built curl_slist.
2693 CURL_EXTERN void curl_slist_free_all(struct curl_slist *);
2696 * NAME curl_getdate()
2700 * Returns the time, in seconds since 1 Jan 1970 of the time string given in
2701 * the first argument. The time argument in the second parameter is unused
2702 * and should be set to NULL.
2704 CURL_EXTERN time_t curl_getdate(const char *p, const time_t *unused);
2706 /* info about the certificate chain, only for OpenSSL, GnuTLS, Schannel, NSS
2707 and GSKit builds. Asked for with CURLOPT_CERTINFO / CURLINFO_CERTINFO */
2708 struct curl_certinfo {
2709 int num_of_certs; /* number of certificates with information */
2710 struct curl_slist **certinfo; /* for each index in this array, there's a
2711 linked list with textual information in the
2712 format "name: value" */
2715 /* Information about the SSL library used and the respective internal SSL
2716 handle, which can be used to obtain further information regarding the
2717 connection. Asked for with CURLINFO_TLS_SSL_PTR or CURLINFO_TLS_SESSION. */
2718 struct curl_tlssessioninfo {
2719 curl_sslbackend backend;
2723 #define CURLINFO_STRING 0x100000
2724 #define CURLINFO_LONG 0x200000
2725 #define CURLINFO_DOUBLE 0x300000
2726 #define CURLINFO_SLIST 0x400000
2727 #define CURLINFO_PTR 0x400000 /* same as SLIST */
2728 #define CURLINFO_SOCKET 0x500000
2729 #define CURLINFO_OFF_T 0x600000
2730 #define CURLINFO_MASK 0x0fffff
2731 #define CURLINFO_TYPEMASK 0xf00000
2734 CURLINFO_NONE, /* first, never use this */
2735 CURLINFO_EFFECTIVE_URL = CURLINFO_STRING + 1,
2736 CURLINFO_RESPONSE_CODE = CURLINFO_LONG + 2,
2737 CURLINFO_TOTAL_TIME = CURLINFO_DOUBLE + 3,
2738 CURLINFO_NAMELOOKUP_TIME = CURLINFO_DOUBLE + 4,
2739 CURLINFO_CONNECT_TIME = CURLINFO_DOUBLE + 5,
2740 CURLINFO_PRETRANSFER_TIME = CURLINFO_DOUBLE + 6,
2741 CURLINFO_SIZE_UPLOAD = CURLINFO_DOUBLE + 7,
2742 CURLINFO_SIZE_UPLOAD_T = CURLINFO_OFF_T + 7,
2743 CURLINFO_SIZE_DOWNLOAD = CURLINFO_DOUBLE + 8,
2744 CURLINFO_SIZE_DOWNLOAD_T = CURLINFO_OFF_T + 8,
2745 CURLINFO_SPEED_DOWNLOAD = CURLINFO_DOUBLE + 9,
2746 CURLINFO_SPEED_DOWNLOAD_T = CURLINFO_OFF_T + 9,
2747 CURLINFO_SPEED_UPLOAD = CURLINFO_DOUBLE + 10,
2748 CURLINFO_SPEED_UPLOAD_T = CURLINFO_OFF_T + 10,
2749 CURLINFO_HEADER_SIZE = CURLINFO_LONG + 11,
2750 CURLINFO_REQUEST_SIZE = CURLINFO_LONG + 12,
2751 CURLINFO_SSL_VERIFYRESULT = CURLINFO_LONG + 13,
2752 CURLINFO_FILETIME = CURLINFO_LONG + 14,
2753 CURLINFO_FILETIME_T = CURLINFO_OFF_T + 14,
2754 CURLINFO_CONTENT_LENGTH_DOWNLOAD = CURLINFO_DOUBLE + 15,
2755 CURLINFO_CONTENT_LENGTH_DOWNLOAD_T = CURLINFO_OFF_T + 15,
2756 CURLINFO_CONTENT_LENGTH_UPLOAD = CURLINFO_DOUBLE + 16,
2757 CURLINFO_CONTENT_LENGTH_UPLOAD_T = CURLINFO_OFF_T + 16,
2758 CURLINFO_STARTTRANSFER_TIME = CURLINFO_DOUBLE + 17,
2759 CURLINFO_CONTENT_TYPE = CURLINFO_STRING + 18,
2760 CURLINFO_REDIRECT_TIME = CURLINFO_DOUBLE + 19,
2761 CURLINFO_REDIRECT_COUNT = CURLINFO_LONG + 20,
2762 CURLINFO_PRIVATE = CURLINFO_STRING + 21,
2763 CURLINFO_HTTP_CONNECTCODE = CURLINFO_LONG + 22,
2764 CURLINFO_HTTPAUTH_AVAIL = CURLINFO_LONG + 23,
2765 CURLINFO_PROXYAUTH_AVAIL = CURLINFO_LONG + 24,
2766 CURLINFO_OS_ERRNO = CURLINFO_LONG + 25,
2767 CURLINFO_NUM_CONNECTS = CURLINFO_LONG + 26,
2768 CURLINFO_SSL_ENGINES = CURLINFO_SLIST + 27,
2769 CURLINFO_COOKIELIST = CURLINFO_SLIST + 28,
2770 CURLINFO_LASTSOCKET = CURLINFO_LONG + 29,
2771 CURLINFO_FTP_ENTRY_PATH = CURLINFO_STRING + 30,
2772 CURLINFO_REDIRECT_URL = CURLINFO_STRING + 31,
2773 CURLINFO_PRIMARY_IP = CURLINFO_STRING + 32,
2774 CURLINFO_APPCONNECT_TIME = CURLINFO_DOUBLE + 33,
2775 CURLINFO_CERTINFO = CURLINFO_PTR + 34,
2776 CURLINFO_CONDITION_UNMET = CURLINFO_LONG + 35,
2777 CURLINFO_RTSP_SESSION_ID = CURLINFO_STRING + 36,
2778 CURLINFO_RTSP_CLIENT_CSEQ = CURLINFO_LONG + 37,
2779 CURLINFO_RTSP_SERVER_CSEQ = CURLINFO_LONG + 38,
2780 CURLINFO_RTSP_CSEQ_RECV = CURLINFO_LONG + 39,
2781 CURLINFO_PRIMARY_PORT = CURLINFO_LONG + 40,
2782 CURLINFO_LOCAL_IP = CURLINFO_STRING + 41,
2783 CURLINFO_LOCAL_PORT = CURLINFO_LONG + 42,
2784 CURLINFO_TLS_SESSION = CURLINFO_PTR + 43,
2785 CURLINFO_ACTIVESOCKET = CURLINFO_SOCKET + 44,
2786 CURLINFO_TLS_SSL_PTR = CURLINFO_PTR + 45,
2787 CURLINFO_HTTP_VERSION = CURLINFO_LONG + 46,
2788 CURLINFO_PROXY_SSL_VERIFYRESULT = CURLINFO_LONG + 47,
2789 CURLINFO_PROTOCOL = CURLINFO_LONG + 48,
2790 CURLINFO_SCHEME = CURLINFO_STRING + 49,
2791 CURLINFO_TOTAL_TIME_T = CURLINFO_OFF_T + 50,
2792 CURLINFO_NAMELOOKUP_TIME_T = CURLINFO_OFF_T + 51,
2793 CURLINFO_CONNECT_TIME_T = CURLINFO_OFF_T + 52,
2794 CURLINFO_PRETRANSFER_TIME_T = CURLINFO_OFF_T + 53,
2795 CURLINFO_STARTTRANSFER_TIME_T = CURLINFO_OFF_T + 54,
2796 CURLINFO_REDIRECT_TIME_T = CURLINFO_OFF_T + 55,
2797 CURLINFO_APPCONNECT_TIME_T = CURLINFO_OFF_T + 56,
2798 CURLINFO_RETRY_AFTER = CURLINFO_OFF_T + 57,
2799 CURLINFO_EFFECTIVE_METHOD = CURLINFO_STRING + 58,
2800 CURLINFO_PROXY_ERROR = CURLINFO_LONG + 59,
2801 CURLINFO_REFERER = CURLINFO_STRING + 60,
2803 CURLINFO_LASTONE = 60
2806 /* CURLINFO_RESPONSE_CODE is the new name for the option previously known as
2807 CURLINFO_HTTP_CODE */
2808 #define CURLINFO_HTTP_CODE CURLINFO_RESPONSE_CODE
2811 CURLCLOSEPOLICY_NONE, /* first, never use this */
2813 CURLCLOSEPOLICY_OLDEST,
2814 CURLCLOSEPOLICY_LEAST_RECENTLY_USED,
2815 CURLCLOSEPOLICY_LEAST_TRAFFIC,
2816 CURLCLOSEPOLICY_SLOWEST,
2817 CURLCLOSEPOLICY_CALLBACK,
2819 CURLCLOSEPOLICY_LAST /* last, never use this */
2822 #define CURL_GLOBAL_SSL (1<<0) /* no purpose since 7.57.0 */
2823 #define CURL_GLOBAL_WIN32 (1<<1)
2824 #define CURL_GLOBAL_ALL (CURL_GLOBAL_SSL|CURL_GLOBAL_WIN32)
2825 #define CURL_GLOBAL_NOTHING 0
2826 #define CURL_GLOBAL_DEFAULT CURL_GLOBAL_ALL
2827 #define CURL_GLOBAL_ACK_EINTR (1<<2)
2830 /*****************************************************************************
2831 * Setup defines, protos etc for the sharing stuff.
2834 /* Different data locks for a single share */
2836 CURL_LOCK_DATA_NONE = 0,
2837 /* CURL_LOCK_DATA_SHARE is used internally to say that
2838 * the locking is just made to change the internal state of the share
2841 CURL_LOCK_DATA_SHARE,
2842 CURL_LOCK_DATA_COOKIE,
2844 CURL_LOCK_DATA_SSL_SESSION,
2845 CURL_LOCK_DATA_CONNECT,
2850 /* Different lock access types */
2852 CURL_LOCK_ACCESS_NONE = 0, /* unspecified action */
2853 CURL_LOCK_ACCESS_SHARED = 1, /* for read perhaps */
2854 CURL_LOCK_ACCESS_SINGLE = 2, /* for write perhaps */
2855 CURL_LOCK_ACCESS_LAST /* never use */
2858 typedef void (*curl_lock_function)(CURL *handle,
2859 curl_lock_data data,
2860 curl_lock_access locktype,
2862 typedef void (*curl_unlock_function)(CURL *handle,
2863 curl_lock_data data,
2868 CURLSHE_OK, /* all is fine */
2869 CURLSHE_BAD_OPTION, /* 1 */
2870 CURLSHE_IN_USE, /* 2 */
2871 CURLSHE_INVALID, /* 3 */
2872 CURLSHE_NOMEM, /* 4 out of memory */
2873 CURLSHE_NOT_BUILT_IN, /* 5 feature not present in lib */
2874 CURLSHE_LAST /* never use */
2878 CURLSHOPT_NONE, /* don't use */
2879 CURLSHOPT_SHARE, /* specify a data type to share */
2880 CURLSHOPT_UNSHARE, /* specify which data type to stop sharing */
2881 CURLSHOPT_LOCKFUNC, /* pass in a 'curl_lock_function' pointer */
2882 CURLSHOPT_UNLOCKFUNC, /* pass in a 'curl_unlock_function' pointer */
2883 CURLSHOPT_USERDATA, /* pass in a user data pointer used in the lock/unlock
2884 callback functions */
2885 CURLSHOPT_LAST /* never use */
2888 CURL_EXTERN CURLSH *curl_share_init(void);
2889 CURL_EXTERN CURLSHcode curl_share_setopt(CURLSH *, CURLSHoption option, ...);
2890 CURL_EXTERN CURLSHcode curl_share_cleanup(CURLSH *);
2892 /****************************************************************************
2893 * Structures for querying information about the curl library at runtime.
2903 CURLVERSION_SEVENTH,
2907 CURLVERSION_LAST /* never actually use this */
2910 /* The 'CURLVERSION_NOW' is the symbolic name meant to be used by
2911 basically all programs ever that want to get version information. It is
2912 meant to be a built-in version number for what kind of struct the caller
2913 expects. If the struct ever changes, we redefine the NOW to another enum
2915 #define CURLVERSION_NOW CURLVERSION_TENTH
2917 struct curl_version_info_data {
2918 CURLversion age; /* age of the returned struct */
2919 const char *version; /* LIBCURL_VERSION */
2920 unsigned int version_num; /* LIBCURL_VERSION_NUM */
2921 const char *host; /* OS/host/cpu/machine when configured */
2922 int features; /* bitmask, see defines below */
2923 const char *ssl_version; /* human readable string */
2924 long ssl_version_num; /* not used anymore, always 0 */
2925 const char *libz_version; /* human readable string */
2926 /* protocols is terminated by an entry with a NULL protoname */
2927 const char * const *protocols;
2929 /* The fields below this were added in CURLVERSION_SECOND */
2933 /* This field was added in CURLVERSION_THIRD */
2936 /* These field were added in CURLVERSION_FOURTH */
2938 /* Same as '_libiconv_version' if built with HAVE_ICONV */
2941 const char *libssh_version; /* human readable string */
2943 /* These fields were added in CURLVERSION_FIFTH */
2944 unsigned int brotli_ver_num; /* Numeric Brotli version
2945 (MAJOR << 24) | (MINOR << 12) | PATCH */
2946 const char *brotli_version; /* human readable string. */
2948 /* These fields were added in CURLVERSION_SIXTH */
2949 unsigned int nghttp2_ver_num; /* Numeric nghttp2 version
2950 (MAJOR << 16) | (MINOR << 8) | PATCH */
2951 const char *nghttp2_version; /* human readable string. */
2952 const char *quic_version; /* human readable quic (+ HTTP/3) library +
2955 /* These fields were added in CURLVERSION_SEVENTH */
2956 const char *cainfo; /* the built-in default CURLOPT_CAINFO, might
2958 const char *capath; /* the built-in default CURLOPT_CAPATH, might
2961 /* These fields were added in CURLVERSION_EIGHTH */
2962 unsigned int zstd_ver_num; /* Numeric Zstd version
2963 (MAJOR << 24) | (MINOR << 12) | PATCH */
2964 const char *zstd_version; /* human readable string. */
2966 /* These fields were added in CURLVERSION_NINTH */
2967 const char *hyper_version; /* human readable string. */
2969 /* These fields were added in CURLVERSION_TENTH */
2970 const char *gsasl_version; /* human readable string. */
2972 typedef struct curl_version_info_data curl_version_info_data;
2974 #define CURL_VERSION_IPV6 (1<<0) /* IPv6-enabled */
2975 #define CURL_VERSION_KERBEROS4 (1<<1) /* Kerberos V4 auth is supported
2977 #define CURL_VERSION_SSL (1<<2) /* SSL options are present */
2978 #define CURL_VERSION_LIBZ (1<<3) /* libz features are present */
2979 #define CURL_VERSION_NTLM (1<<4) /* NTLM auth is supported */
2980 #define CURL_VERSION_GSSNEGOTIATE (1<<5) /* Negotiate auth is supported
2982 #define CURL_VERSION_DEBUG (1<<6) /* Built with debug capabilities */
2983 #define CURL_VERSION_ASYNCHDNS (1<<7) /* Asynchronous DNS resolves */
2984 #define CURL_VERSION_SPNEGO (1<<8) /* SPNEGO auth is supported */
2985 #define CURL_VERSION_LARGEFILE (1<<9) /* Supports files larger than 2GB */
2986 #define CURL_VERSION_IDN (1<<10) /* Internationized Domain Names are
2988 #define CURL_VERSION_SSPI (1<<11) /* Built against Windows SSPI */
2989 #define CURL_VERSION_CONV (1<<12) /* Character conversions supported */
2990 #define CURL_VERSION_CURLDEBUG (1<<13) /* Debug memory tracking supported */
2991 #define CURL_VERSION_TLSAUTH_SRP (1<<14) /* TLS-SRP auth is supported */
2992 #define CURL_VERSION_NTLM_WB (1<<15) /* NTLM delegation to winbind helper
2994 #define CURL_VERSION_HTTP2 (1<<16) /* HTTP2 support built-in */
2995 #define CURL_VERSION_GSSAPI (1<<17) /* Built against a GSS-API library */
2996 #define CURL_VERSION_KERBEROS5 (1<<18) /* Kerberos V5 auth is supported */
2997 #define CURL_VERSION_UNIX_SOCKETS (1<<19) /* Unix domain sockets support */
2998 #define CURL_VERSION_PSL (1<<20) /* Mozilla's Public Suffix List, used
2999 for cookie domain verification */
3000 #define CURL_VERSION_HTTPS_PROXY (1<<21) /* HTTPS-proxy support built-in */
3001 #define CURL_VERSION_MULTI_SSL (1<<22) /* Multiple SSL backends available */
3002 #define CURL_VERSION_BROTLI (1<<23) /* Brotli features are present. */
3003 #define CURL_VERSION_ALTSVC (1<<24) /* Alt-Svc handling built-in */
3004 #define CURL_VERSION_HTTP3 (1<<25) /* HTTP3 support built-in */
3005 #define CURL_VERSION_ZSTD (1<<26) /* zstd features are present */
3006 #define CURL_VERSION_UNICODE (1<<27) /* Unicode support on Windows */
3007 #define CURL_VERSION_HSTS (1<<28) /* HSTS is supported */
3008 #define CURL_VERSION_GSASL (1<<29) /* libgsasl is supported */
3011 * NAME curl_version_info()
3015 * This function returns a pointer to a static copy of the version info
3016 * struct. See above.
3018 CURL_EXTERN curl_version_info_data *curl_version_info(CURLversion);
3021 * NAME curl_easy_strerror()
3025 * The curl_easy_strerror function may be used to turn a CURLcode value
3026 * into the equivalent human readable error string. This is useful
3027 * for printing meaningful error messages.
3029 CURL_EXTERN const char *curl_easy_strerror(CURLcode);
3032 * NAME curl_share_strerror()
3036 * The curl_share_strerror function may be used to turn a CURLSHcode value
3037 * into the equivalent human readable error string. This is useful
3038 * for printing meaningful error messages.
3040 CURL_EXTERN const char *curl_share_strerror(CURLSHcode);
3043 * NAME curl_easy_pause()
3047 * The curl_easy_pause function pauses or unpauses transfers. Select the new
3048 * state by setting the bitmask, use the convenience defines below.
3051 CURL_EXTERN CURLcode curl_easy_pause(CURL *handle, int bitmask);
3053 #define CURLPAUSE_RECV (1<<0)
3054 #define CURLPAUSE_RECV_CONT (0)
3056 #define CURLPAUSE_SEND (1<<2)
3057 #define CURLPAUSE_SEND_CONT (0)
3059 #define CURLPAUSE_ALL (CURLPAUSE_RECV|CURLPAUSE_SEND)
3060 #define CURLPAUSE_CONT (CURLPAUSE_RECV_CONT|CURLPAUSE_SEND_CONT)
3066 /* unfortunately, the easy.h and multi.h include files need options and info
3067 stuff before they can be included! */
3068 #include "easy.h" /* nothing in curl is fun without the easy stuff */
3071 #include "options.h"
3074 /* the typechecker doesn't work in C++ (yet) */
3075 #if defined(__GNUC__) && defined(__GNUC_MINOR__) && \
3076 ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && \
3077 !defined(__cplusplus) && !defined(CURL_DISABLE_TYPECHECK)
3078 #include "typecheck-gcc.h"
3080 #if defined(__STDC__) && (__STDC__ >= 1)
3081 #if 0 /* Triggers clang -Wdisabled-macro-expansion, skip for CMake. */
3082 /* This preprocessor magic that replaces a call with the exact same call is
3083 only done to make sure application authors pass exactly three arguments
3084 to these functions. */
3085 #define curl_easy_setopt(handle,opt,param) curl_easy_setopt(handle,opt,param)
3086 #define curl_easy_getinfo(handle,info,arg) curl_easy_getinfo(handle,info,arg)
3087 #define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
3088 #define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
3090 #endif /* __STDC__ >= 1 */
3091 #endif /* gcc >= 4.3 && !__cplusplus */
3093 #endif /* CURLINC_CURL_H */