1#ifndef __CURL_CURL_H
2#define __CURL_CURL_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
11 *
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at http://curl.haxx.se/docs/copyright.html.
15 *
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.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 * $Id: curl.h,v 1.396 2009-10-16 13:30:31 yangtse Exp $
24 ***************************************************************************/
25
26/*
27 * If you have libcurl problems, all docs and details are found here:
28 * http://curl.haxx.se/libcurl/
29 *
30 * curl-library mailing list subscription and unsubscription web interface:
31 * http://cool.haxx.se/mailman/listinfo/curl-library/
32 */
33
34/*
35 * Leading 'curl' path on the 'curlbuild.h' include statement is
36 * required to properly allow building outside of the source tree,
37 * due to the fact that in this case 'curlbuild.h' is generated in
38 * a subdirectory of the build tree while 'curl.h actually remains
39 * in a subdirectory of the source tree.
40 */
41
42#include "third_party/curl/curlver.h" /* libcurl version defines */
43#include "third_party/curl/curlbuild.h" /* libcurl build definitions */
44#include "third_party/curl/curlrules.h" /* libcurl rules enforcement */
45
46/*
47 * Define WIN32 when build target is Win32 API
48 */
49
50#if (defined(_WIN32) || defined(__WIN32__)) && \
51 !defined(WIN32) && !defined(__SYMBIAN32__)
52#define WIN32
53#endif
54
55#include <stdio.h>
56#include <limits.h>
57
58/* The include stuff here below is mainly for time_t! */
59#include <sys/types.h>
60#include <time.h>
61
62#if defined(WIN32) && !defined(_WIN32_WCE) && !defined(__GNUC__) && \
63 !defined(__CYGWIN__) || defined(__MINGW32__)
64#if !(defined(_WINSOCKAPI_) || defined(_WINSOCK_H))
65/* The check above prevents the winsock2 inclusion if winsock.h already was
66 included, since they can't co-exist without problems */
67#include <winsock2.h>
68#include <ws2tcpip.h>
69#endif
70#else
71
72/* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
73 libc5-based Linux systems. Only include it on system that are known to
74 require it! */
75#if defined(_AIX) || defined(__NOVELL_LIBC__) || defined(__NetBSD__) || \
76 defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY) || \
77 defined(__ANDROID__)
78#include <sys/select.h>
79#endif
80
81#ifndef _WIN32_WCE
82#include <sys/socket.h>
83#endif
84#if !defined(WIN32) && !defined(__WATCOMC__) && !defined(__VXWORKS__)
85#include <sys/time.h>
86#endif
87#include <sys/types.h>
88#endif
89
90#ifdef __BEOS__
91#include <support/SupportDefs.h>
92#endif
93
94#ifdef __cplusplus
95extern "C" {
96#endif
97
98typedef void CURL;
99
100/*
101 * Decorate exportable functions for Win32 and Symbian OS DLL linking.
102 * This avoids using a .def file for building libcurl.dll.
103 */
104#if (defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__)) && \
105 !defined(CURL_STATICLIB)
106#if defined(BUILDING_LIBCURL)
107#define CURL_EXTERN __declspec(dllexport)
108#else
109#define CURL_EXTERN __declspec(dllimport)
110#endif
111#else
112
113#ifdef CURL_HIDDEN_SYMBOLS
114/*
115 * This definition is used to make external definitions visible in the
116 * shared library when symbols are hidden by default. It makes no
117 * difference when compiling applications whether this is set or not,
118 * only when compiling the library.
119 */
120#define CURL_EXTERN CURL_EXTERN_SYMBOL
121#else
122#define CURL_EXTERN
123#endif
124#endif
125
126#ifndef curl_socket_typedef
127/* socket typedef */
128#ifdef WIN32
129typedef SOCKET curl_socket_t;
130#define CURL_SOCKET_BAD INVALID_SOCKET
131#else
132typedef int curl_socket_t;
133#define CURL_SOCKET_BAD -1
134#endif
135#define curl_socket_typedef
136#endif /* curl_socket_typedef */
137
138struct curl_httppost {
139 struct curl_httppost *next; /* next entry in the list */
140 char *name; /* pointer to allocated name */
141 long namelength; /* length of name length */
142 char *contents; /* pointer to allocated data contents */
143 long contentslength; /* length of contents field */
144 char *buffer; /* pointer to allocated buffer contents */
145 long bufferlength; /* length of buffer field */
146 char *contenttype; /* Content-Type */
147 struct curl_slist* contentheader; /* list of extra headers for this form */
148 struct curl_httppost *more; /* if one field name has more than one
149 file, this link should link to following
150 files */
151 long flags; /* as defined below */
152#define HTTPPOST_FILENAME (1<<0) /* specified content is a file name */
153#define HTTPPOST_READFILE (1<<1) /* specified content is a file name */
154#define HTTPPOST_PTRNAME (1<<2) /* name is only stored pointer
155 do not free in formfree */
156#define HTTPPOST_PTRCONTENTS (1<<3) /* contents is only stored pointer
157 do not free in formfree */
158#define HTTPPOST_BUFFER (1<<4) /* upload file from buffer */
159#define HTTPPOST_PTRBUFFER (1<<5) /* upload file from pointer contents */
160#define HTTPPOST_CALLBACK (1<<6) /* upload file contents by using the
161 regular read callback to get the data
162 and pass the given pointer as custom
163 pointer */
164
165 char *showfilename; /* The file name to show. If not set, the
166 actual file name will be used (if this
167 is a file part) */
168 void *userp; /* custom pointer used for
169 HTTPPOST_CALLBACK posts */
170};
171
172typedef int (*curl_progress_callback)(void *clientp,
173 double dltotal,
174 double dlnow,
175 double ultotal,
176 double ulnow);
177
178#ifndef CURL_MAX_WRITE_SIZE
179 /* Tests have proven that 20K is a very bad buffer size for uploads on
180 Windows, while 16K for some odd reason performed a lot better.
181 We do the ifndef check to allow this value to easier be changed at build
182 time for those who feel adventurous. */
183#define CURL_MAX_WRITE_SIZE 16384
184#endif
185
186#ifndef CURL_MAX_HTTP_HEADER
187/* The only reason to have a max limit for this is to avoid the risk of a bad
188 server feeding libcurl with a never-ending header that will cause reallocs
189 infinitely */
190#define CURL_MAX_HTTP_HEADER (100*1024)
191#endif
192
193
194/* This is a magic return code for the write callback that, when returned,
195 will signal libcurl to pause receiving on the current transfer. */
196#define CURL_WRITEFUNC_PAUSE 0x10000001
197typedef size_t (*curl_write_callback)(char *buffer,
198 size_t size,
199 size_t nitems,
200 void *outstream);
201
202/* These are the return codes for the seek callbacks */
203#define CURL_SEEKFUNC_OK 0
204#define CURL_SEEKFUNC_FAIL 1 /* fail the entire transfer */
205#define CURL_SEEKFUNC_CANTSEEK 2 /* tell libcurl seeking can't be done, so
206 libcurl might try other means instead */
207typedef int (*curl_seek_callback)(void *instream,
208 curl_off_t offset,
209 int origin); /* 'whence' */
210
211/* This is a return code for the read callback that, when returned, will
212 signal libcurl to immediately abort the current transfer. */
213#define CURL_READFUNC_ABORT 0x10000000
214/* This is a return code for the read callback that, when returned, will
215 signal libcurl to pause sending data on the current transfer. */
216#define CURL_READFUNC_PAUSE 0x10000001
217
218typedef size_t (*curl_read_callback)(char *buffer,
219 size_t size,
220 size_t nitems,
221 void *instream);
222
223typedef enum {
224 CURLSOCKTYPE_IPCXN, /* socket created for a specific IP connection */
225 CURLSOCKTYPE_LAST /* never use */
226} curlsocktype;
227
228typedef int (*curl_sockopt_callback)(void *clientp,
229 curl_socket_t curlfd,
230 curlsocktype purpose);
231
232struct curl_sockaddr {
233 int family;
234 int socktype;
235 int protocol;
236 unsigned int addrlen; /* addrlen was a socklen_t type before 7.18.0 but it
237 turned really ugly and painful on the systems that
238 lack this type */
239 struct sockaddr addr;
240};
241
242typedef curl_socket_t
243(*curl_opensocket_callback)(void *clientp,
244 curlsocktype purpose,
245 struct curl_sockaddr *address);
246
247#ifndef CURL_NO_OLDIES
248 /* not used since 7.10.8, will be removed in a future release */
249typedef int (*curl_passwd_callback)(void *clientp,
250 const char *prompt,
251 char *buffer,
252 int buflen);
253#endif
254
255typedef enum {
256 CURLIOE_OK, /* I/O operation successful */
257 CURLIOE_UNKNOWNCMD, /* command was unknown to callback */
258 CURLIOE_FAILRESTART, /* failed to restart the read */
259 CURLIOE_LAST /* never use */
260} curlioerr;
261
262typedef enum {
263 CURLIOCMD_NOP, /* no operation */
264 CURLIOCMD_RESTARTREAD, /* restart the read stream from start */
265 CURLIOCMD_LAST /* never use */
266} curliocmd;
267
268typedef curlioerr (*curl_ioctl_callback)(CURL *handle,
269 int cmd,
270 void *clientp);
271
272/*
273 * The following typedef's are signatures of malloc, free, realloc, strdup and
274 * calloc respectively. Function pointers of these types can be passed to the
275 * curl_global_init_mem() function to set user defined memory management
276 * callback routines.
277 */
278typedef void *(*curl_malloc_callback)(size_t size);
279typedef void (*curl_free_callback)(void *ptr);
280typedef void *(*curl_realloc_callback)(void *ptr, size_t size);
281typedef char *(*curl_strdup_callback)(const char *str);
282typedef void *(*curl_calloc_callback)(size_t nmemb, size_t size);
283
284/* the kind of data that is passed to information_callback*/
285typedef enum {
286 CURLINFO_TEXT = 0,
287 CURLINFO_HEADER_IN, /* 1 */
288 CURLINFO_HEADER_OUT, /* 2 */
289 CURLINFO_DATA_IN, /* 3 */
290 CURLINFO_DATA_OUT, /* 4 */
291 CURLINFO_SSL_DATA_IN, /* 5 */
292 CURLINFO_SSL_DATA_OUT, /* 6 */
293 CURLINFO_END
294} curl_infotype;
295
296typedef int (*curl_debug_callback)
297 (CURL *handle, /* the handle/transfer this concerns */
298 curl_infotype type, /* what kind of data */
299 char *data, /* points to the data */
300 size_t size, /* size of the data pointed to */
301 void *userptr); /* whatever the user please */
302
303/* All possible error codes from all sorts of curl functions. Future versions
304 may return other values, stay prepared.
305
306 Always add new return codes last. Never *EVER* remove any. The return
307 codes must remain the same!
308 */
309
310typedef enum {
311 CURLE_OK = 0,
312 CURLE_UNSUPPORTED_PROTOCOL, /* 1 */
313 CURLE_FAILED_INIT, /* 2 */
314 CURLE_URL_MALFORMAT, /* 3 */
315 CURLE_OBSOLETE4, /* 4 - NOT USED */
316 CURLE_COULDNT_RESOLVE_PROXY, /* 5 */
317 CURLE_COULDNT_RESOLVE_HOST, /* 6 */
318 CURLE_COULDNT_CONNECT, /* 7 */
319 CURLE_FTP_WEIRD_SERVER_REPLY, /* 8 */
320 CURLE_REMOTE_ACCESS_DENIED, /* 9 a service was denied by the server
321 due to lack of access - when login fails
322 this is not returned. */
323 CURLE_OBSOLETE10, /* 10 - NOT USED */
324 CURLE_FTP_WEIRD_PASS_REPLY, /* 11 */
325 CURLE_OBSOLETE12, /* 12 - NOT USED */
326 CURLE_FTP_WEIRD_PASV_REPLY, /* 13 */
327 CURLE_FTP_WEIRD_227_FORMAT, /* 14 */
328 CURLE_FTP_CANT_GET_HOST, /* 15 */
329 CURLE_OBSOLETE16, /* 16 - NOT USED */
330 CURLE_FTP_COULDNT_SET_TYPE, /* 17 */
331 CURLE_PARTIAL_FILE, /* 18 */
332 CURLE_FTP_COULDNT_RETR_FILE, /* 19 */
333 CURLE_OBSOLETE20, /* 20 - NOT USED */
334 CURLE_QUOTE_ERROR, /* 21 - quote command failure */
335 CURLE_HTTP_RETURNED_ERROR, /* 22 */
336 CURLE_WRITE_ERROR, /* 23 */
337 CURLE_OBSOLETE24, /* 24 - NOT USED */
338 CURLE_UPLOAD_FAILED, /* 25 - failed upload "command" */
339 CURLE_READ_ERROR, /* 26 - couldn't open/read from file */
340 CURLE_OUT_OF_MEMORY, /* 27 */
341 /* Note: CURLE_OUT_OF_MEMORY may sometimes indicate a conversion error
342 instead of a memory allocation error if CURL_DOES_CONVERSIONS
343 is defined
344 */
345 CURLE_OPERATION_TIMEDOUT, /* 28 - the timeout time was reached */
346 CURLE_OBSOLETE29, /* 29 - NOT USED */
347 CURLE_FTP_PORT_FAILED, /* 30 - FTP PORT operation failed */
348 CURLE_FTP_COULDNT_USE_REST, /* 31 - the REST command failed */
349 CURLE_OBSOLETE32, /* 32 - NOT USED */
350 CURLE_RANGE_ERROR, /* 33 - RANGE "command" didn't work */
351 CURLE_HTTP_POST_ERROR, /* 34 */
352 CURLE_SSL_CONNECT_ERROR, /* 35 - wrong when connecting with SSL */
353 CURLE_BAD_DOWNLOAD_RESUME, /* 36 - couldn't resume download */
354 CURLE_FILE_COULDNT_READ_FILE, /* 37 */
355 CURLE_LDAP_CANNOT_BIND, /* 38 */
356 CURLE_LDAP_SEARCH_FAILED, /* 39 */
357 CURLE_OBSOLETE40, /* 40 - NOT USED */
358 CURLE_FUNCTION_NOT_FOUND, /* 41 */
359 CURLE_ABORTED_BY_CALLBACK, /* 42 */
360 CURLE_BAD_FUNCTION_ARGUMENT, /* 43 */
361 CURLE_OBSOLETE44, /* 44 - NOT USED */
362 CURLE_INTERFACE_FAILED, /* 45 - CURLOPT_INTERFACE failed */
363 CURLE_OBSOLETE46, /* 46 - NOT USED */
364 CURLE_TOO_MANY_REDIRECTS , /* 47 - catch endless re-direct loops */
365 CURLE_UNKNOWN_TELNET_OPTION, /* 48 - User specified an unknown option */
366 CURLE_TELNET_OPTION_SYNTAX , /* 49 - Malformed telnet option */
367 CURLE_OBSOLETE50, /* 50 - NOT USED */
368 CURLE_PEER_FAILED_VERIFICATION, /* 51 - peer's certificate or fingerprint
369 wasn't verified fine */
370 CURLE_GOT_NOTHING, /* 52 - when this is a specific error */
371 CURLE_SSL_ENGINE_NOTFOUND, /* 53 - SSL crypto engine not found */
372 CURLE_SSL_ENGINE_SETFAILED, /* 54 - can not set SSL crypto engine as
373 default */
374 CURLE_SEND_ERROR, /* 55 - failed sending network data */
375 CURLE_RECV_ERROR, /* 56 - failure in receiving network data */
376 CURLE_OBSOLETE57, /* 57 - NOT IN USE */
377 CURLE_SSL_CERTPROBLEM, /* 58 - problem with the local certificate */
378 CURLE_SSL_CIPHER, /* 59 - couldn't use specified cipher */
379 CURLE_SSL_CACERT, /* 60 - problem with the CA cert (path?) */
380 CURLE_BAD_CONTENT_ENCODING, /* 61 - Unrecognized transfer encoding */
381 CURLE_LDAP_INVALID_URL, /* 62 - Invalid LDAP URL */
382 CURLE_FILESIZE_EXCEEDED, /* 63 - Maximum file size exceeded */
383 CURLE_USE_SSL_FAILED, /* 64 - Requested FTP SSL level failed */
384 CURLE_SEND_FAIL_REWIND, /* 65 - Sending the data requires a rewind
385 that failed */
386 CURLE_SSL_ENGINE_INITFAILED, /* 66 - failed to initialise ENGINE */
387 CURLE_LOGIN_DENIED, /* 67 - user, password or similar was not
388 accepted and we failed to login */
389 CURLE_TFTP_NOTFOUND, /* 68 - file not found on server */
390 CURLE_TFTP_PERM, /* 69 - permission problem on server */
391 CURLE_REMOTE_DISK_FULL, /* 70 - out of disk space on server */
392 CURLE_TFTP_ILLEGAL, /* 71 - Illegal TFTP operation */
393 CURLE_TFTP_UNKNOWNID, /* 72 - Unknown transfer ID */
394 CURLE_REMOTE_FILE_EXISTS, /* 73 - File already exists */
395 CURLE_TFTP_NOSUCHUSER, /* 74 - No such user */
396 CURLE_CONV_FAILED, /* 75 - conversion failed */
397 CURLE_CONV_REQD, /* 76 - caller must register conversion
398 callbacks using curl_easy_setopt options
399 CURLOPT_CONV_FROM_NETWORK_FUNCTION,
400 CURLOPT_CONV_TO_NETWORK_FUNCTION, and
401 CURLOPT_CONV_FROM_UTF8_FUNCTION */
402 CURLE_SSL_CACERT_BADFILE, /* 77 - could not load CACERT file, missing
403 or wrong format */
404 CURLE_REMOTE_FILE_NOT_FOUND, /* 78 - remote file not found */
405 CURLE_SSH, /* 79 - error from the SSH layer, somewhat
406 generic so the error message will be of
407 interest when this has happened */
408
409 CURLE_SSL_SHUTDOWN_FAILED, /* 80 - Failed to shut down the SSL
410 connection */
411 CURLE_AGAIN, /* 81 - socket is not ready for send/recv,
412 wait till it's ready and try again (Added
413 in 7.18.2) */
414 CURLE_SSL_CRL_BADFILE, /* 82 - could not load CRL file, missing or
415 wrong format (Added in 7.19.0) */
416 CURLE_SSL_ISSUER_ERROR, /* 83 - Issuer check failed. (Added in
417 7.19.0) */
418 CURL_LAST /* never use! */
419} CURLcode;
420
421#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
422 the obsolete stuff removed! */
423
424/* Backwards compatibility with older names */
425
426/* The following were added in 7.17.1 */
427/* These are scheduled to disappear by 2009 */
428#define CURLE_SSL_PEER_CERTIFICATE CURLE_PEER_FAILED_VERIFICATION
429
430/* The following were added in 7.17.0 */
431/* These are scheduled to disappear by 2009 */
432#define CURLE_OBSOLETE CURLE_OBSOLETE50 /* noone should be using this! */
433#define CURLE_BAD_PASSWORD_ENTERED CURLE_OBSOLETE46
434#define CURLE_BAD_CALLING_ORDER CURLE_OBSOLETE44
435#define CURLE_FTP_USER_PASSWORD_INCORRECT CURLE_OBSOLETE10
436#define CURLE_FTP_CANT_RECONNECT CURLE_OBSOLETE16
437#define CURLE_FTP_COULDNT_GET_SIZE CURLE_OBSOLETE32
438#define CURLE_FTP_COULDNT_SET_ASCII CURLE_OBSOLETE29
439#define CURLE_FTP_WEIRD_USER_REPLY CURLE_OBSOLETE12
440#define CURLE_FTP_WRITE_ERROR CURLE_OBSOLETE20
441#define CURLE_LIBRARY_NOT_FOUND CURLE_OBSOLETE40
442#define CURLE_MALFORMAT_USER CURLE_OBSOLETE24
443#define CURLE_SHARE_IN_USE CURLE_OBSOLETE57
444#define CURLE_URL_MALFORMAT_USER CURLE_OBSOLETE4
445
446#define CURLE_FTP_ACCESS_DENIED CURLE_REMOTE_ACCESS_DENIED
447#define CURLE_FTP_COULDNT_SET_BINARY CURLE_FTP_COULDNT_SET_TYPE
448#define CURLE_FTP_QUOTE_ERROR CURLE_QUOTE_ERROR
449#define CURLE_TFTP_DISKFULL CURLE_REMOTE_DISK_FULL
450#define CURLE_TFTP_EXISTS CURLE_REMOTE_FILE_EXISTS
451#define CURLE_HTTP_RANGE_ERROR CURLE_RANGE_ERROR
452#define CURLE_FTP_SSL_FAILED CURLE_USE_SSL_FAILED
453
454/* The following were added earlier */
455
456#define CURLE_OPERATION_TIMEOUTED CURLE_OPERATION_TIMEDOUT
457
458#define CURLE_HTTP_NOT_FOUND CURLE_HTTP_RETURNED_ERROR
459#define CURLE_HTTP_PORT_FAILED CURLE_INTERFACE_FAILED
460#define CURLE_FTP_COULDNT_STOR_FILE CURLE_UPLOAD_FAILED
461
462#define CURLE_FTP_PARTIAL_FILE CURLE_PARTIAL_FILE
463#define CURLE_FTP_BAD_DOWNLOAD_RESUME CURLE_BAD_DOWNLOAD_RESUME
464
465/* This was the error code 50 in 7.7.3 and a few earlier versions, this
466 is no longer used by libcurl but is instead #defined here only to not
467 make programs break */
468#define CURLE_ALREADY_COMPLETE 99999
469
470#endif /*!CURL_NO_OLDIES*/
471
472/* This prototype applies to all conversion callbacks */
473typedef CURLcode (*curl_conv_callback)(char *buffer, size_t length);
474
475typedef CURLcode (*curl_ssl_ctx_callback)(CURL *curl, /* easy handle */
476 void *ssl_ctx, /* actually an
477 OpenSSL SSL_CTX */
478 void *userptr);
479
480typedef enum {
481 CURLPROXY_HTTP = 0, /* added in 7.10, new in 7.19.4 default is to use
482 CONNECT HTTP/1.1 */
483 CURLPROXY_HTTP_1_0 = 1, /* added in 7.19.4, force to use CONNECT
484 HTTP/1.0 */
485 CURLPROXY_SOCKS4 = 4, /* support added in 7.15.2, enum existed already
486 in 7.10 */
487 CURLPROXY_SOCKS5 = 5, /* added in 7.10 */
488 CURLPROXY_SOCKS4A = 6, /* added in 7.18.0 */
489 CURLPROXY_SOCKS5_HOSTNAME = 7 /* Use the SOCKS5 protocol but pass along the
490 host name rather than the IP address. added
491 in 7.18.0 */
492} curl_proxytype; /* this enum was added in 7.10 */
493
494#define CURLAUTH_NONE 0 /* nothing */
495#define CURLAUTH_BASIC (1<<0) /* Basic (default) */
496#define CURLAUTH_DIGEST (1<<1) /* Digest */
497#define CURLAUTH_GSSNEGOTIATE (1<<2) /* GSS-Negotiate */
498#define CURLAUTH_NTLM (1<<3) /* NTLM */
499#define CURLAUTH_DIGEST_IE (1<<4) /* Digest with IE flavour */
500#define CURLAUTH_ANY (~CURLAUTH_DIGEST_IE) /* all fine types set */
501#define CURLAUTH_ANYSAFE (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
502
503#define CURLSSH_AUTH_ANY ~0 /* all types supported by the server */
504#define CURLSSH_AUTH_NONE 0 /* none allowed, silly but complete */
505#define CURLSSH_AUTH_PUBLICKEY (1<<0) /* public/private key files */
506#define CURLSSH_AUTH_PASSWORD (1<<1) /* password */
507#define CURLSSH_AUTH_HOST (1<<2) /* host key files */
508#define CURLSSH_AUTH_KEYBOARD (1<<3) /* keyboard interactive */
509#define CURLSSH_AUTH_DEFAULT CURLSSH_AUTH_ANY
510
511#define CURL_ERROR_SIZE 256
512
513struct curl_khkey {
514 const char *key; /* points to a zero-terminated string encoded with base64
515 if len is zero, otherwise to the "raw" data */
516 size_t len;
517 enum type {
518 CURLKHTYPE_UNKNOWN,
519 CURLKHTYPE_RSA1,
520 CURLKHTYPE_RSA,
521 CURLKHTYPE_DSS
522 } keytype;
523};
524
525/* this is the set of return values expected from the curl_sshkeycallback
526 callback */
527enum curl_khstat {
528 CURLKHSTAT_FINE_ADD_TO_FILE,
529 CURLKHSTAT_FINE,
530 CURLKHSTAT_REJECT, /* reject the connection, return an error */
531 CURLKHSTAT_DEFER, /* do not accept it, but we can't answer right now so
532 this causes a CURLE_DEFER error but otherwise the
533 connection will be left intact etc */
534 CURLKHSTAT_LAST /* not for use, only a marker for last-in-list */
535};
536
537/* this is the set of status codes pass in to the callback */
538enum curl_khmatch {
539 CURLKHMATCH_OK, /* match */
540 CURLKHMATCH_MISMATCH, /* host found, key mismatch! */
541 CURLKHMATCH_MISSING, /* no matching host/key found */
542 CURLKHMATCH_LAST /* not for use, only a marker for last-in-list */
543};
544
545typedef int
546 (*curl_sshkeycallback) (CURL *easy, /* easy handle */
547 const struct curl_khkey *knownkey, /* known */
548 const struct curl_khkey *foundkey, /* found */
549 enum curl_khmatch, /* libcurl's view on the keys */
550 void *clientp); /* custom pointer passed from app */
551
552/* parameter for the CURLOPT_USE_SSL option */
553typedef enum {
554 CURLUSESSL_NONE, /* do not attempt to use SSL */
555 CURLUSESSL_TRY, /* try using SSL, proceed anyway otherwise */
556 CURLUSESSL_CONTROL, /* SSL for the control connection or fail */
557 CURLUSESSL_ALL, /* SSL for all communication or fail */
558 CURLUSESSL_LAST /* not an option, never use */
559} curl_usessl;
560
561#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
562 the obsolete stuff removed! */
563
564/* Backwards compatibility with older names */
565/* These are scheduled to disappear by 2009 */
566
567#define CURLFTPSSL_NONE CURLUSESSL_NONE
568#define CURLFTPSSL_TRY CURLUSESSL_TRY
569#define CURLFTPSSL_CONTROL CURLUSESSL_CONTROL
570#define CURLFTPSSL_ALL CURLUSESSL_ALL
571#define CURLFTPSSL_LAST CURLUSESSL_LAST
572#define curl_ftpssl curl_usessl
573#endif /*!CURL_NO_OLDIES*/
574
575/* parameter for the CURLOPT_FTP_SSL_CCC option */
576typedef enum {
577 CURLFTPSSL_CCC_NONE, /* do not send CCC */
578 CURLFTPSSL_CCC_PASSIVE, /* Let the server initiate the shutdown */
579 CURLFTPSSL_CCC_ACTIVE, /* Initiate the shutdown */
580 CURLFTPSSL_CCC_LAST /* not an option, never use */
581} curl_ftpccc;
582
583/* parameter for the CURLOPT_FTPSSLAUTH option */
584typedef enum {
585 CURLFTPAUTH_DEFAULT, /* let libcurl decide */
586 CURLFTPAUTH_SSL, /* use "AUTH SSL" */
587 CURLFTPAUTH_TLS, /* use "AUTH TLS" */
588 CURLFTPAUTH_LAST /* not an option, never use */
589} curl_ftpauth;
590
591/* parameter for the CURLOPT_FTP_CREATE_MISSING_DIRS option */
592typedef enum {
593 CURLFTP_CREATE_DIR_NONE, /* do NOT create missing dirs! */
594 CURLFTP_CREATE_DIR, /* (FTP/SFTP) if CWD fails, try MKD and then CWD
595 again if MKD succeeded, for SFTP this does
596 similar magic */
597 CURLFTP_CREATE_DIR_RETRY, /* (FTP only) if CWD fails, try MKD and then CWD
598 again even if MKD failed! */
599 CURLFTP_CREATE_DIR_LAST /* not an option, never use */
600} curl_ftpcreatedir;
601
602/* parameter for the CURLOPT_FTP_FILEMETHOD option */
603typedef enum {
604 CURLFTPMETHOD_DEFAULT, /* let libcurl pick */
605 CURLFTPMETHOD_MULTICWD, /* single CWD operation for each path part */
606 CURLFTPMETHOD_NOCWD, /* no CWD at all */
607 CURLFTPMETHOD_SINGLECWD, /* one CWD to full dir, then work on file */
608 CURLFTPMETHOD_LAST /* not an option, never use */
609} curl_ftpmethod;
610
611/* CURLPROTO_ defines are for the CURLOPT_*PROTOCOLS options */
612#define CURLPROTO_HTTP (1<<0)
613#define CURLPROTO_HTTPS (1<<1)
614#define CURLPROTO_FTP (1<<2)
615#define CURLPROTO_FTPS (1<<3)
616#define CURLPROTO_SCP (1<<4)
617#define CURLPROTO_SFTP (1<<5)
618#define CURLPROTO_TELNET (1<<6)
619#define CURLPROTO_LDAP (1<<7)
620#define CURLPROTO_LDAPS (1<<8)
621#define CURLPROTO_DICT (1<<9)
622#define CURLPROTO_FILE (1<<10)
623#define CURLPROTO_TFTP (1<<11)
624#define CURLPROTO_ALL (~0) /* enable everything */
625
626/* long may be 32 or 64 bits, but we should never depend on anything else
627 but 32 */
628#define CURLOPTTYPE_LONG 0
629#define CURLOPTTYPE_OBJECTPOINT 10000
630#define CURLOPTTYPE_FUNCTIONPOINT 20000
631#define CURLOPTTYPE_OFF_T 30000
632
633/* name is uppercase CURLOPT_<name>,
634 type is one of the defined CURLOPTTYPE_<type>
635 number is unique identifier */
636#ifdef CINIT
637#undef CINIT
638#endif
639
640#ifdef CURL_ISOCPP
641#define CINIT(name,type,number) CURLOPT_ ## name = CURLOPTTYPE_ ## type + number
642#else
643/* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
644#define LONG CURLOPTTYPE_LONG
645#define OBJECTPOINT CURLOPTTYPE_OBJECTPOINT
646#define FUNCTIONPOINT CURLOPTTYPE_FUNCTIONPOINT
647#define OFF_T CURLOPTTYPE_OFF_T
648#define CINIT(name,type,number) CURLOPT_/**/name = type + number
649#endif
650
651/*
652 * This macro-mania below setups the CURLOPT_[what] enum, to be used with
653 * curl_easy_setopt(). The first argument in the CINIT() macro is the [what]
654 * word.
655 */
656
657typedef enum {
658 /* This is the FILE * or void * the regular output should be written to. */
659 CINIT(FILE, OBJECTPOINT, 1),
660
661 /* The full URL to get/put */
662 CINIT(URL, OBJECTPOINT, 2),
663
664 /* Port number to connect to, if other than default. */
665 CINIT(PORT, LONG, 3),
666
667 /* Name of proxy to use. */
668 CINIT(PROXY, OBJECTPOINT, 4),
669
670 /* "name:password" to use when fetching. */
671 CINIT(USERPWD, OBJECTPOINT, 5),
672
673 /* "name:password" to use with proxy. */
674 CINIT(PROXYUSERPWD, OBJECTPOINT, 6),
675
676 /* Range to get, specified as an ASCII string. */
677 CINIT(RANGE, OBJECTPOINT, 7),
678
679 /* not used */
680
681 /* Specified file stream to upload from (use as input): */
682 CINIT(INFILE, OBJECTPOINT, 9),
683
684 /* Buffer to receive error messages in, must be at least CURL_ERROR_SIZE
685 * bytes big. If this is not used, error messages go to stderr instead: */
686 CINIT(ERRORBUFFER, OBJECTPOINT, 10),
687
688 /* Function that will be called to store the output (instead of fwrite). The
689 * parameters will use fwrite() syntax, make sure to follow them. */
690 CINIT(WRITEFUNCTION, FUNCTIONPOINT, 11),
691
692 /* Function that will be called to read the input (instead of fread). The
693 * parameters will use fread() syntax, make sure to follow them. */
694 CINIT(READFUNCTION, FUNCTIONPOINT, 12),
695
696 /* Time-out the read operation after this amount of seconds */
697 CINIT(TIMEOUT, LONG, 13),
698
699 /* If the CURLOPT_INFILE is used, this can be used to inform libcurl about
700 * how large the file being sent really is. That allows better error
701 * checking and better verifies that the upload was successful. -1 means
702 * unknown size.
703 *
704 * For large file support, there is also a _LARGE version of the key
705 * which takes an off_t type, allowing platforms with larger off_t
706 * sizes to handle larger files. See below for INFILESIZE_LARGE.
707 */
708 CINIT(INFILESIZE, LONG, 14),
709
710 /* POST static input fields. */
711 CINIT(POSTFIELDS, OBJECTPOINT, 15),
712
713 /* Set the referrer page (needed by some CGIs) */
714 CINIT(REFERER, OBJECTPOINT, 16),
715
716 /* Set the FTP PORT string (interface name, named or numerical IP address)
717 Use i.e '-' to use default address. */
718 CINIT(FTPPORT, OBJECTPOINT, 17),
719
720 /* Set the User-Agent string (examined by some CGIs) */
721 CINIT(USERAGENT, OBJECTPOINT, 18),
722
723 /* If the download receives less than "low speed limit" bytes/second
724 * during "low speed time" seconds, the operations is aborted.
725 * You could i.e if you have a pretty high speed connection, abort if
726 * it is less than 2000 bytes/sec during 20 seconds.
727 */
728
729 /* Set the "low speed limit" */
730 CINIT(LOW_SPEED_LIMIT, LONG, 19),
731
732 /* Set the "low speed time" */
733 CINIT(LOW_SPEED_TIME, LONG, 20),
734
735 /* Set the continuation offset.
736 *
737 * Note there is also a _LARGE version of this key which uses
738 * off_t types, allowing for large file offsets on platforms which
739 * use larger-than-32-bit off_t's. Look below for RESUME_FROM_LARGE.
740 */
741 CINIT(RESUME_FROM, LONG, 21),
742
743 /* Set cookie in request: */
744 CINIT(COOKIE, OBJECTPOINT, 22),
745
746 /* This points to a linked list of headers, struct curl_slist kind */
747 CINIT(HTTPHEADER, OBJECTPOINT, 23),
748
749 /* This points to a linked list of post entries, struct curl_httppost */
750 CINIT(HTTPPOST, OBJECTPOINT, 24),
751
752 /* name of the file keeping your private SSL-certificate */
753 CINIT(SSLCERT, OBJECTPOINT, 25),
754
755 /* password for the SSL or SSH private key */
756 CINIT(KEYPASSWD, OBJECTPOINT, 26),
757
758 /* send TYPE parameter? */
759 CINIT(CRLF, LONG, 27),
760
761 /* send linked-list of QUOTE commands */
762 CINIT(QUOTE, OBJECTPOINT, 28),
763
764 /* send FILE * or void * to store headers to, if you use a callback it
765 is simply passed to the callback unmodified */
766 CINIT(WRITEHEADER, OBJECTPOINT, 29),
767
768 /* point to a file to read the initial cookies from, also enables
769 "cookie awareness" */
770 CINIT(COOKIEFILE, OBJECTPOINT, 31),
771
772 /* What version to specifically try to use.
773 See CURL_SSLVERSION defines below. */
774 CINIT(SSLVERSION, LONG, 32),
775
776 /* What kind of HTTP time condition to use, see defines */
777 CINIT(TIMECONDITION, LONG, 33),
778
779 /* Time to use with the above condition. Specified in number of seconds
780 since 1 Jan 1970 */
781 CINIT(TIMEVALUE, LONG, 34),
782
783 /* 35 = OBSOLETE */
784
785 /* Custom request, for customizing the get command like
786 HTTP: DELETE, TRACE and others
787 FTP: to use a different list command
788 */
789 CINIT(CUSTOMREQUEST, OBJECTPOINT, 36),
790
791 /* HTTP request, for odd commands like DELETE, TRACE and others */
792 CINIT(STDERR, OBJECTPOINT, 37),
793
794 /* 38 is not used */
795
796 /* send linked-list of post-transfer QUOTE commands */
797 CINIT(POSTQUOTE, OBJECTPOINT, 39),
798
799 /* Pass a pointer to string of the output using full variable-replacement
800 as described elsewhere. */
801 CINIT(WRITEINFO, OBJECTPOINT, 40),
802
803 CINIT(VERBOSE, LONG, 41), /* talk a lot */
804 CINIT(HEADER, LONG, 42), /* throw the header out too */
805 CINIT(NOPROGRESS, LONG, 43), /* shut off the progress meter */
806 CINIT(NOBODY, LONG, 44), /* use HEAD to get http document */
807 CINIT(FAILONERROR, LONG, 45), /* no output on http error codes >= 300 */
808 CINIT(UPLOAD, LONG, 46), /* this is an upload */
809 CINIT(POST, LONG, 47), /* HTTP POST method */
810 CINIT(DIRLISTONLY, LONG, 48), /* return bare names when listing directories */
811
812 CINIT(APPEND, LONG, 50), /* Append instead of overwrite on upload! */
813
814 /* Specify whether to read the user+password from the .netrc or the URL.
815 * This must be one of the CURL_NETRC_* enums below. */
816 CINIT(NETRC, LONG, 51),
817
818 CINIT(FOLLOWLOCATION, LONG, 52), /* use Location: Luke! */
819
820 CINIT(TRANSFERTEXT, LONG, 53), /* transfer data in text/ASCII format */
821 CINIT(PUT, LONG, 54), /* HTTP PUT */
822
823 /* 55 = OBSOLETE */
824
825 /* Function that will be called instead of the internal progress display
826 * function. This function should be defined as the curl_progress_callback
827 * prototype defines. */
828 CINIT(PROGRESSFUNCTION, FUNCTIONPOINT, 56),
829
830 /* Data passed to the progress callback */
831 CINIT(PROGRESSDATA, OBJECTPOINT, 57),
832
833 /* We want the referrer field set automatically when following locations */
834 CINIT(AUTOREFERER, LONG, 58),
835
836 /* Port of the proxy, can be set in the proxy string as well with:
837 "[host]:[port]" */
838 CINIT(PROXYPORT, LONG, 59),
839
840 /* size of the POST input data, if strlen() is not good to use */
841 CINIT(POSTFIELDSIZE, LONG, 60),
842
843 /* tunnel non-http operations through a HTTP proxy */
844 CINIT(HTTPPROXYTUNNEL, LONG, 61),
845
846 /* Set the interface string to use as outgoing network interface */
847 CINIT(INTERFACE, OBJECTPOINT, 62),
848
849 /* Set the krb4/5 security level, this also enables krb4/5 awareness. This
850 * is a string, 'clear', 'safe', 'confidential' or 'private'. If the string
851 * is set but doesn't match one of these, 'private' will be used. */
852 CINIT(KRBLEVEL, OBJECTPOINT, 63),
853
854 /* Set if we should verify the peer in ssl handshake, set 1 to verify. */
855 CINIT(SSL_VERIFYPEER, LONG, 64),
856
857 /* The CApath or CAfile used to validate the peer certificate
858 this option is used only if SSL_VERIFYPEER is true */
859 CINIT(CAINFO, OBJECTPOINT, 65),
860
861 /* 66 = OBSOLETE */
862 /* 67 = OBSOLETE */
863
864 /* Maximum number of http redirects to follow */
865 CINIT(MAXREDIRS, LONG, 68),
866
867 /* Pass a long set to 1 to get the date of the requested document (if
868 possible)! Pass a zero to shut it off. */
869 CINIT(FILETIME, LONG, 69),
870
871 /* This points to a linked list of telnet options */
872 CINIT(TELNETOPTIONS, OBJECTPOINT, 70),
873
874 /* Max amount of cached alive connections */
875 CINIT(MAXCONNECTS, LONG, 71),
876
877 /* What policy to use when closing connections when the cache is filled
878 up */
879 CINIT(CLOSEPOLICY, LONG, 72),
880
881 /* 73 = OBSOLETE */
882
883 /* Set to explicitly use a new connection for the upcoming transfer.
884 Do not use this unless you're absolutely sure of this, as it makes the
885 operation slower and is less friendly for the network. */
886 CINIT(FRESH_CONNECT, LONG, 74),
887
888 /* Set to explicitly forbid the upcoming transfer's connection to be re-used
889 when done. Do not use this unless you're absolutely sure of this, as it
890 makes the operation slower and is less friendly for the network. */
891 CINIT(FORBID_REUSE, LONG, 75),
892
893 /* Set to a file name that contains random data for libcurl to use to
894 seed the random engine when doing SSL connects. */
895 CINIT(RANDOM_FILE, OBJECTPOINT, 76),
896
897 /* Set to the Entropy Gathering Daemon socket pathname */
898 CINIT(EGDSOCKET, OBJECTPOINT, 77),
899
900 /* Time-out connect operations after this amount of seconds, if connects
901 are OK within this time, then fine... This only aborts the connect
902 phase. [Only works on unix-style/SIGALRM operating systems] */
903 CINIT(CONNECTTIMEOUT, LONG, 78),
904
905 /* Function that will be called to store headers (instead of fwrite). The
906 * parameters will use fwrite() syntax, make sure to follow them. */
907 CINIT(HEADERFUNCTION, FUNCTIONPOINT, 79),
908
909 /* Set this to force the HTTP request to get back to GET. Only really usable
910 if POST, PUT or a custom request have been used first.
911 */
912 CINIT(HTTPGET, LONG, 80),
913
914 /* Set if we should verify the Common name from the peer certificate in ssl
915 * handshake, set 1 to check existence, 2 to ensure that it matches the
916 * provided hostname. */
917 CINIT(SSL_VERIFYHOST, LONG, 81),
918
919 /* Specify which file name to write all known cookies in after completed
920 operation. Set file name to "-" (dash) to make it go to stdout. */
921 CINIT(COOKIEJAR, OBJECTPOINT, 82),
922
923 /* Specify which SSL ciphers to use */
924 CINIT(SSL_CIPHER_LIST, OBJECTPOINT, 83),
925
926 /* Specify which HTTP version to use! This must be set to one of the
927 CURL_HTTP_VERSION* enums set below. */
928 CINIT(HTTP_VERSION, LONG, 84),
929
930 /* Specifically switch on or off the FTP engine's use of the EPSV command. By
931 default, that one will always be attempted before the more traditional
932 PASV command. */
933 CINIT(FTP_USE_EPSV, LONG, 85),
934
935 /* type of the file keeping your SSL-certificate ("DER", "PEM", "ENG") */
936 CINIT(SSLCERTTYPE, OBJECTPOINT, 86),
937
938 /* name of the file keeping your private SSL-key */
939 CINIT(SSLKEY, OBJECTPOINT, 87),
940
941 /* type of the file keeping your private SSL-key ("DER", "PEM", "ENG") */
942 CINIT(SSLKEYTYPE, OBJECTPOINT, 88),
943
944 /* crypto engine for the SSL-sub system */
945 CINIT(SSLENGINE, OBJECTPOINT, 89),
946
947 /* set the crypto engine for the SSL-sub system as default
948 the param has no meaning...
949 */
950 CINIT(SSLENGINE_DEFAULT, LONG, 90),
951
952 /* Non-zero value means to use the global dns cache */
953 CINIT(DNS_USE_GLOBAL_CACHE, LONG, 91), /* To become OBSOLETE soon */
954
955 /* DNS cache timeout */
956 CINIT(DNS_CACHE_TIMEOUT, LONG, 92),
957
958 /* send linked-list of pre-transfer QUOTE commands */
959 CINIT(PREQUOTE, OBJECTPOINT, 93),
960
961 /* set the debug function */
962 CINIT(DEBUGFUNCTION, FUNCTIONPOINT, 94),
963
964 /* set the data for the debug function */
965 CINIT(DEBUGDATA, OBJECTPOINT, 95),
966
967 /* mark this as start of a cookie session */
968 CINIT(COOKIESESSION, LONG, 96),
969
970 /* The CApath directory used to validate the peer certificate
971 this option is used only if SSL_VERIFYPEER is true */
972 CINIT(CAPATH, OBJECTPOINT, 97),
973
974 /* Instruct libcurl to use a smaller receive buffer */
975 CINIT(BUFFERSIZE, LONG, 98),
976
977 /* Instruct libcurl to not use any signal/alarm handlers, even when using
978 timeouts. This option is useful for multi-threaded applications.
979 See libcurl-the-guide for more background information. */
980 CINIT(NOSIGNAL, LONG, 99),
981
982 /* Provide a CURLShare for mutexing non-ts data */
983 CINIT(SHARE, OBJECTPOINT, 100),
984
985 /* indicates type of proxy. accepted values are CURLPROXY_HTTP (default),
986 CURLPROXY_SOCKS4, CURLPROXY_SOCKS4A and CURLPROXY_SOCKS5. */
987 CINIT(PROXYTYPE, LONG, 101),
988
989 /* Set the Accept-Encoding string. Use this to tell a server you would like
990 the response to be compressed. */
991 CINIT(ENCODING, OBJECTPOINT, 102),
992
993 /* Set pointer to private data */
994 CINIT(PRIVATE, OBJECTPOINT, 103),
995
996 /* Set aliases for HTTP 200 in the HTTP Response header */
997 CINIT(HTTP200ALIASES, OBJECTPOINT, 104),
998
999 /* Continue to send authentication (user+password) when following locations,
1000 even when hostname changed. This can potentially send off the name
1001 and password to whatever host the server decides. */
1002 CINIT(UNRESTRICTED_AUTH, LONG, 105),
1003
1004 /* Specifically switch on or off the FTP engine's use of the EPRT command ( it
1005 also disables the LPRT attempt). By default, those ones will always be
1006 attempted before the good old traditional PORT command. */
1007 CINIT(FTP_USE_EPRT, LONG, 106),
1008
1009 /* Set this to a bitmask value to enable the particular authentications
1010 methods you like. Use this in combination with CURLOPT_USERPWD.
1011 Note that setting multiple bits may cause extra network round-trips. */
1012 CINIT(HTTPAUTH, LONG, 107),
1013
1014 /* Set the ssl context callback function, currently only for OpenSSL ssl_ctx
1015 in second argument. The function must be matching the
1016 curl_ssl_ctx_callback proto. */
1017 CINIT(SSL_CTX_FUNCTION, FUNCTIONPOINT, 108),
1018
1019 /* Set the userdata for the ssl context callback function's third
1020 argument */
1021 CINIT(SSL_CTX_DATA, OBJECTPOINT, 109),
1022
1023 /* FTP Option that causes missing dirs to be created on the remote server.
1024 In 7.19.4 we introduced the convenience enums for this option using the
1025 CURLFTP_CREATE_DIR prefix.
1026 */
1027 CINIT(FTP_CREATE_MISSING_DIRS, LONG, 110),
1028
1029 /* Set this to a bitmask value to enable the particular authentications
1030 methods you like. Use this in combination with CURLOPT_PROXYUSERPWD.
1031 Note that setting multiple bits may cause extra network round-trips. */
1032 CINIT(PROXYAUTH, LONG, 111),
1033
1034 /* FTP option that changes the timeout, in seconds, associated with
1035 getting a response. This is different from transfer timeout time and
1036 essentially places a demand on the FTP server to acknowledge commands
1037 in a timely manner. */
1038 CINIT(FTP_RESPONSE_TIMEOUT, LONG, 112),
1039
1040 /* Set this option to one of the CURL_IPRESOLVE_* defines (see below) to
1041 tell libcurl to resolve names to those IP versions only. This only has
1042 affect on systems with support for more than one, i.e IPv4 _and_ IPv6. */
1043 CINIT(IPRESOLVE, LONG, 113),
1044
1045 /* Set this option to limit the size of a file that will be downloaded from
1046 an HTTP or FTP server.
1047
1048 Note there is also _LARGE version which adds large file support for
1049 platforms which have larger off_t sizes. See MAXFILESIZE_LARGE below. */
1050 CINIT(MAXFILESIZE, LONG, 114),
1051
1052 /* See the comment for INFILESIZE above, but in short, specifies
1053 * the size of the file being uploaded. -1 means unknown.
1054 */
1055 CINIT(INFILESIZE_LARGE, OFF_T, 115),
1056
1057 /* Sets the continuation offset. There is also a LONG version of this;
1058 * look above for RESUME_FROM.
1059 */
1060 CINIT(RESUME_FROM_LARGE, OFF_T, 116),
1061
1062 /* Sets the maximum size of data that will be downloaded from
1063 * an HTTP or FTP server. See MAXFILESIZE above for the LONG version.
1064 */
1065 CINIT(MAXFILESIZE_LARGE, OFF_T, 117),
1066
1067 /* Set this option to the file name of your .netrc file you want libcurl
1068 to parse (using the CURLOPT_NETRC option). If not set, libcurl will do
1069 a poor attempt to find the user's home directory and check for a .netrc
1070 file in there. */
1071 CINIT(NETRC_FILE, OBJECTPOINT, 118),
1072
1073 /* Enable SSL/TLS for FTP, pick one of:
1074 CURLFTPSSL_TRY - try using SSL, proceed anyway otherwise
1075 CURLFTPSSL_CONTROL - SSL for the control connection or fail
1076 CURLFTPSSL_ALL - SSL for all communication or fail
1077 */
1078 CINIT(USE_SSL, LONG, 119),
1079
1080 /* The _LARGE version of the standard POSTFIELDSIZE option */
1081 CINIT(POSTFIELDSIZE_LARGE, OFF_T, 120),
1082
1083 /* Enable/disable the TCP Nagle algorithm */
1084 CINIT(TCP_NODELAY, LONG, 121),
1085
1086 /* 122 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1087 /* 123 OBSOLETE. Gone in 7.16.0 */
1088 /* 124 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1089 /* 125 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1090 /* 126 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1091 /* 127 OBSOLETE. Gone in 7.16.0 */
1092 /* 128 OBSOLETE. Gone in 7.16.0 */
1093
1094 /* When FTP over SSL/TLS is selected (with CURLOPT_USE_SSL), this option
1095 can be used to change libcurl's default action which is to first try
1096 "AUTH SSL" and then "AUTH TLS" in this order, and proceed when a OK
1097 response has been received.
1098
1099 Available parameters are:
1100 CURLFTPAUTH_DEFAULT - let libcurl decide
1101 CURLFTPAUTH_SSL - try "AUTH SSL" first, then TLS
1102 CURLFTPAUTH_TLS - try "AUTH TLS" first, then SSL
1103 */
1104 CINIT(FTPSSLAUTH, LONG, 129),
1105
1106 CINIT(IOCTLFUNCTION, FUNCTIONPOINT, 130),
1107 CINIT(IOCTLDATA, OBJECTPOINT, 131),
1108
1109 /* 132 OBSOLETE. Gone in 7.16.0 */
1110 /* 133 OBSOLETE. Gone in 7.16.0 */
1111
1112 /* zero terminated string for pass on to the FTP server when asked for
1113 "account" info */
1114 CINIT(FTP_ACCOUNT, OBJECTPOINT, 134),
1115
1116 /* feed cookies into cookie engine */
1117 CINIT(COOKIELIST, OBJECTPOINT, 135),
1118
1119 /* ignore Content-Length */
1120 CINIT(IGNORE_CONTENT_LENGTH, LONG, 136),
1121
1122 /* Set to non-zero to skip the IP address received in a 227 PASV FTP server
1123 response. Typically used for FTP-SSL purposes but is not restricted to
1124 that. libcurl will then instead use the same IP address it used for the
1125 control connection. */
1126 CINIT(FTP_SKIP_PASV_IP, LONG, 137),
1127
1128 /* Select "file method" to use when doing FTP, see the curl_ftpmethod
1129 above. */
1130 CINIT(FTP_FILEMETHOD, LONG, 138),
1131
1132 /* Local port number to bind the socket to */
1133 CINIT(LOCALPORT, LONG, 139),
1134
1135 /* Number of ports to try, including the first one set with LOCALPORT.
1136 Thus, setting it to 1 will make no additional attempts but the first.
1137 */
1138 CINIT(LOCALPORTRANGE, LONG, 140),
1139
1140 /* no transfer, set up connection and let application use the socket by
1141 extracting it with CURLINFO_LASTSOCKET */
1142 CINIT(CONNECT_ONLY, LONG, 141),
1143
1144 /* Function that will be called to convert from the
1145 network encoding (instead of using the iconv calls in libcurl) */
1146 CINIT(CONV_FROM_NETWORK_FUNCTION, FUNCTIONPOINT, 142),
1147
1148 /* Function that will be called to convert to the
1149 network encoding (instead of using the iconv calls in libcurl) */
1150 CINIT(CONV_TO_NETWORK_FUNCTION, FUNCTIONPOINT, 143),
1151
1152 /* Function that will be called to convert from UTF8
1153 (instead of using the iconv calls in libcurl)
1154 Note that this is used only for SSL certificate processing */
1155 CINIT(CONV_FROM_UTF8_FUNCTION, FUNCTIONPOINT, 144),
1156
1157 /* if the connection proceeds too quickly then need to slow it down */
1158 /* limit-rate: maximum number of bytes per second to send or receive */
1159 CINIT(MAX_SEND_SPEED_LARGE, OFF_T, 145),
1160 CINIT(MAX_RECV_SPEED_LARGE, OFF_T, 146),
1161
1162 /* Pointer to command string to send if USER/PASS fails. */
1163 CINIT(FTP_ALTERNATIVE_TO_USER, OBJECTPOINT, 147),
1164
1165 /* callback function for setting socket options */
1166 CINIT(SOCKOPTFUNCTION, FUNCTIONPOINT, 148),
1167 CINIT(SOCKOPTDATA, OBJECTPOINT, 149),
1168
1169 /* set to 0 to disable session ID re-use for this transfer, default is
1170 enabled (== 1) */
1171 CINIT(SSL_SESSIONID_CACHE, LONG, 150),
1172
1173 /* allowed SSH authentication methods */
1174 CINIT(SSH_AUTH_TYPES, LONG, 151),
1175
1176 /* Used by scp/sftp to do public/private key authentication */
1177 CINIT(SSH_PUBLIC_KEYFILE, OBJECTPOINT, 152),
1178 CINIT(SSH_PRIVATE_KEYFILE, OBJECTPOINT, 153),
1179
1180 /* Send CCC (Clear Command Channel) after authentication */
1181 CINIT(FTP_SSL_CCC, LONG, 154),
1182
1183 /* Same as TIMEOUT and CONNECTTIMEOUT, but with ms resolution */
1184 CINIT(TIMEOUT_MS, LONG, 155),
1185 CINIT(CONNECTTIMEOUT_MS, LONG, 156),
1186
1187 /* set to zero to disable the libcurl's decoding and thus pass the raw body
1188 data to the application even when it is encoded/compressed */
1189 CINIT(HTTP_TRANSFER_DECODING, LONG, 157),
1190 CINIT(HTTP_CONTENT_DECODING, LONG, 158),
1191
1192 /* Permission used when creating new files and directories on the remote
1193 server for protocols that support it, SFTP/SCP/FILE */
1194 CINIT(NEW_FILE_PERMS, LONG, 159),
1195 CINIT(NEW_DIRECTORY_PERMS, LONG, 160),
1196
1197 /* Set the behaviour of POST when redirecting. Values must be set to one
1198 of CURL_REDIR* defines below. This used to be called CURLOPT_POST301 */
1199 CINIT(POSTREDIR, LONG, 161),
1200
1201 /* used by scp/sftp to verify the host's public key */
1202 CINIT(SSH_HOST_PUBLIC_KEY_MD5, OBJECTPOINT, 162),
1203
1204 /* Callback function for opening socket (instead of socket(2)). Optionally,
1205 callback is able change the address or refuse to connect returning
1206 CURL_SOCKET_BAD. The callback should have type
1207 curl_opensocket_callback */
1208 CINIT(OPENSOCKETFUNCTION, FUNCTIONPOINT, 163),
1209 CINIT(OPENSOCKETDATA, OBJECTPOINT, 164),
1210
1211 /* POST volatile input fields. */
1212 CINIT(COPYPOSTFIELDS, OBJECTPOINT, 165),
1213
1214 /* set transfer mode (;type=<a|i>) when doing FTP via an HTTP proxy */
1215 CINIT(PROXY_TRANSFER_MODE, LONG, 166),
1216
1217 /* Callback function for seeking in the input stream */
1218 CINIT(SEEKFUNCTION, FUNCTIONPOINT, 167),
1219 CINIT(SEEKDATA, OBJECTPOINT, 168),
1220
1221 /* CRL file */
1222 CINIT(CRLFILE, OBJECTPOINT, 169),
1223
1224 /* Issuer certificate */
1225 CINIT(ISSUERCERT, OBJECTPOINT, 170),
1226
1227 /* (IPv6) Address scope */
1228 CINIT(ADDRESS_SCOPE, LONG, 171),
1229
1230 /* Collect certificate chain info and allow it to get retrievable with
1231 CURLINFO_CERTINFO after the transfer is complete. (Unfortunately) only
1232 working with OpenSSL-powered builds. */
1233 CINIT(CERTINFO, LONG, 172),
1234
1235 /* "name" and "pwd" to use when fetching. */
1236 CINIT(USERNAME, OBJECTPOINT, 173),
1237 CINIT(PASSWORD, OBJECTPOINT, 174),
1238
1239 /* "name" and "pwd" to use with Proxy when fetching. */
1240 CINIT(PROXYUSERNAME, OBJECTPOINT, 175),
1241 CINIT(PROXYPASSWORD, OBJECTPOINT, 176),
1242
1243 /* Comma separated list of hostnames defining no-proxy zones. These should
1244 match both hostnames directly, and hostnames within a domain. For
1245 example, local.com will match local.com and www.local.com, but NOT
1246 notlocal.com or www.notlocal.com. For compatibility with other
1247 implementations of this, .local.com will be considered to be the same as
1248 local.com. A single * is the only valid wildcard, and effectively
1249 disables the use of proxy. */
1250 CINIT(NOPROXY, OBJECTPOINT, 177),
1251
1252 /* block size for TFTP transfers */
1253 CINIT(TFTP_BLKSIZE, LONG, 178),
1254
1255 /* Socks Service */
1256 CINIT(SOCKS5_GSSAPI_SERVICE, OBJECTPOINT, 179),
1257
1258 /* Socks Service */
1259 CINIT(SOCKS5_GSSAPI_NEC, LONG, 180),
1260
1261 /* set the bitmask for the protocols that are allowed to be used for the
1262 transfer, which thus helps the app which takes URLs from users or other
1263 external inputs and want to restrict what protocol(s) to deal
1264 with. Defaults to CURLPROTO_ALL. */
1265 CINIT(PROTOCOLS, LONG, 181),
1266
1267 /* set the bitmask for the protocols that libcurl is allowed to follow to,
1268 as a subset of the CURLOPT_PROTOCOLS ones. That means the protocol needs
1269 to be set in both bitmasks to be allowed to get redirected to. Defaults
1270 to all protocols except FILE and SCP. */
1271 CINIT(REDIR_PROTOCOLS, LONG, 182),
1272
1273 /* set the SSH knownhost file name to use */
1274 CINIT(SSH_KNOWNHOSTS, OBJECTPOINT, 183),
1275
1276 /* set the SSH host key callback, must point to a curl_sshkeycallback
1277 function */
1278 CINIT(SSH_KEYFUNCTION, FUNCTIONPOINT, 184),
1279
1280 /* set the SSH host key callback custom pointer */
1281 CINIT(SSH_KEYDATA, OBJECTPOINT, 185),
1282
1283 CURLOPT_LASTENTRY /* the last unused */
1284} CURLoption;
1285
1286#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
1287 the obsolete stuff removed! */
1288
1289/* Backwards compatibility with older names */
1290/* These are scheduled to disappear by 2011 */
1291
1292/* This was added in version 7.19.1 */
1293#define CURLOPT_POST301 CURLOPT_POSTREDIR
1294
1295/* These are scheduled to disappear by 2009 */
1296
1297/* The following were added in 7.17.0 */
1298#define CURLOPT_SSLKEYPASSWD CURLOPT_KEYPASSWD
1299#define CURLOPT_FTPAPPEND CURLOPT_APPEND
1300#define CURLOPT_FTPLISTONLY CURLOPT_DIRLISTONLY
1301#define CURLOPT_FTP_SSL CURLOPT_USE_SSL
1302
1303/* The following were added earlier */
1304
1305#define CURLOPT_SSLCERTPASSWD CURLOPT_KEYPASSWD
1306#define CURLOPT_KRB4LEVEL CURLOPT_KRBLEVEL
1307
1308#else
1309/* This is set if CURL_NO_OLDIES is defined at compile-time */
1310#undef CURLOPT_DNS_USE_GLOBAL_CACHE /* soon obsolete */
1311#endif
1312
1313
1314 /* Below here follows defines for the CURLOPT_IPRESOLVE option. If a host
1315 name resolves addresses using more than one IP protocol version, this
1316 option might be handy to force libcurl to use a specific IP version. */
1317#define CURL_IPRESOLVE_WHATEVER 0 /* default, resolves addresses to all IP
1318 versions that your system allows */
1319#define CURL_IPRESOLVE_V4 1 /* resolve to ipv4 addresses */
1320#define CURL_IPRESOLVE_V6 2 /* resolve to ipv6 addresses */
1321
1322 /* three convenient "aliases" that follow the name scheme better */
1323#define CURLOPT_WRITEDATA CURLOPT_FILE
1324#define CURLOPT_READDATA CURLOPT_INFILE
1325#define CURLOPT_HEADERDATA CURLOPT_WRITEHEADER
1326
1327 /* These enums are for use with the CURLOPT_HTTP_VERSION option. */
1328enum {
1329 CURL_HTTP_VERSION_NONE, /* setting this means we don't care, and that we'd
1330 like the library to choose the best possible
1331 for us! */
1332 CURL_HTTP_VERSION_1_0, /* please use HTTP 1.0 in the request */
1333 CURL_HTTP_VERSION_1_1, /* please use HTTP 1.1 in the request */
1334
1335 CURL_HTTP_VERSION_LAST /* *ILLEGAL* http version */
1336};
1337
1338 /* These enums are for use with the CURLOPT_NETRC option. */
1339enum CURL_NETRC_OPTION {
1340 CURL_NETRC_IGNORED, /* The .netrc will never be read.
1341 * This is the default. */
1342 CURL_NETRC_OPTIONAL, /* A user:password in the URL will be preferred
1343 * to one in the .netrc. */
1344 CURL_NETRC_REQUIRED, /* A user:password in the URL will be ignored.
1345 * Unless one is set programmatically, the .netrc
1346 * will be queried. */
1347 CURL_NETRC_LAST
1348};
1349
1350enum {
1351 CURL_SSLVERSION_DEFAULT,
1352 CURL_SSLVERSION_TLSv1,
1353 CURL_SSLVERSION_SSLv2,
1354 CURL_SSLVERSION_SSLv3,
1355
1356 CURL_SSLVERSION_LAST /* never use, keep last */
1357};
1358
1359/* symbols to use with CURLOPT_POSTREDIR.
1360 CURL_REDIR_POST_301 and CURL_REDIR_POST_302 can be bitwise ORed so that
1361 CURL_REDIR_POST_301 | CURL_REDIR_POST_302 == CURL_REDIR_POST_ALL */
1362
1363#define CURL_REDIR_GET_ALL 0
1364#define CURL_REDIR_POST_301 1
1365#define CURL_REDIR_POST_302 2
1366#define CURL_REDIR_POST_ALL (CURL_REDIR_POST_301|CURL_REDIR_POST_302)
1367
1368typedef enum {
1369 CURL_TIMECOND_NONE,
1370
1371 CURL_TIMECOND_IFMODSINCE,
1372 CURL_TIMECOND_IFUNMODSINCE,
1373 CURL_TIMECOND_LASTMOD,
1374
1375 CURL_TIMECOND_LAST
1376} curl_TimeCond;
1377
1378
1379/* curl_strequal() and curl_strnequal() are subject for removal in a future
1380 libcurl, see lib/README.curlx for details */
1381CURL_EXTERN int (curl_strequal)(const char *s1, const char *s2);
1382CURL_EXTERN int (curl_strnequal)(const char *s1, const char *s2, size_t n);
1383
1384/* name is uppercase CURLFORM_<name> */
1385#ifdef CFINIT
1386#undef CFINIT
1387#endif
1388
1389#ifdef CURL_ISOCPP
1390#define CFINIT(name) CURLFORM_ ## name
1391#else
1392/* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
1393#define CFINIT(name) CURLFORM_/**/name
1394#endif
1395
1396typedef enum {
1397 CFINIT(NOTHING), /********* the first one is unused ************/
1398
1399 /* */
1400 CFINIT(COPYNAME),
1401 CFINIT(PTRNAME),
1402 CFINIT(NAMELENGTH),
1403 CFINIT(COPYCONTENTS),
1404 CFINIT(PTRCONTENTS),
1405 CFINIT(CONTENTSLENGTH),
1406 CFINIT(FILECONTENT),
1407 CFINIT(ARRAY),
1408 CFINIT(OBSOLETE),
1409 CFINIT(FILE),
1410
1411 CFINIT(BUFFER),
1412 CFINIT(BUFFERPTR),
1413 CFINIT(BUFFERLENGTH),
1414
1415 CFINIT(CONTENTTYPE),
1416 CFINIT(CONTENTHEADER),
1417 CFINIT(FILENAME),
1418 CFINIT(END),
1419 CFINIT(OBSOLETE2),
1420
1421 CFINIT(STREAM),
1422
1423 CURLFORM_LASTENTRY /* the last unused */
1424} CURLformoption;
1425
1426#undef CFINIT /* done */
1427
1428/* structure to be used as parameter for CURLFORM_ARRAY */
1429struct curl_forms {
1430 CURLformoption option;
1431 const char *value;
1432};
1433
1434/* use this for multipart formpost building */
1435/* Returns code for curl_formadd()
1436 *
1437 * Returns:
1438 * CURL_FORMADD_OK on success
1439 * CURL_FORMADD_MEMORY if the FormInfo allocation fails
1440 * CURL_FORMADD_OPTION_TWICE if one option is given twice for one Form
1441 * CURL_FORMADD_NULL if a null pointer was given for a char
1442 * CURL_FORMADD_MEMORY if the allocation of a FormInfo struct failed
1443 * CURL_FORMADD_UNKNOWN_OPTION if an unknown option was used
1444 * CURL_FORMADD_INCOMPLETE if the some FormInfo is not complete (or error)
1445 * CURL_FORMADD_MEMORY if a curl_httppost struct cannot be allocated
1446 * CURL_FORMADD_MEMORY if some allocation for string copying failed.
1447 * CURL_FORMADD_ILLEGAL_ARRAY if an illegal option is used in an array
1448 *
1449 ***************************************************************************/
1450typedef enum {
1451 CURL_FORMADD_OK, /* first, no error */
1452
1453 CURL_FORMADD_MEMORY,
1454 CURL_FORMADD_OPTION_TWICE,
1455 CURL_FORMADD_NULL,
1456 CURL_FORMADD_UNKNOWN_OPTION,
1457 CURL_FORMADD_INCOMPLETE,
1458 CURL_FORMADD_ILLEGAL_ARRAY,
1459 CURL_FORMADD_DISABLED, /* libcurl was built with this disabled */
1460
1461 CURL_FORMADD_LAST /* last */
1462} CURLFORMcode;
1463
1464/*
1465 * NAME curl_formadd()
1466 *
1467 * DESCRIPTION
1468 *
1469 * Pretty advanced function for building multi-part formposts. Each invoke
1470 * adds one part that together construct a full post. Then use
1471 * CURLOPT_HTTPPOST to send it off to libcurl.
1472 */
1473CURL_EXTERN CURLFORMcode curl_formadd(struct curl_httppost **httppost,
1474 struct curl_httppost **last_post,
1475 ...);
1476
1477/*
1478 * callback function for curl_formget()
1479 * The void *arg pointer will be the one passed as second argument to
1480 * curl_formget().
1481 * The character buffer passed to it must not be freed.
1482 * Should return the buffer length passed to it as the argument "len" on
1483 * success.
1484 */
1485typedef size_t (*curl_formget_callback)(void *arg, const char *buf, size_t len);
1486
1487/*
1488 * NAME curl_formget()
1489 *
1490 * DESCRIPTION
1491 *
1492 * Serialize a curl_httppost struct built with curl_formadd().
1493 * Accepts a void pointer as second argument which will be passed to
1494 * the curl_formget_callback function.
1495 * Returns 0 on success.
1496 */
1497CURL_EXTERN int curl_formget(struct curl_httppost *form, void *arg,
1498 curl_formget_callback append);
1499/*
1500 * NAME curl_formfree()
1501 *
1502 * DESCRIPTION
1503 *
1504 * Free a multipart formpost previously built with curl_formadd().
1505 */
1506CURL_EXTERN void curl_formfree(struct curl_httppost *form);
1507
1508/*
1509 * NAME curl_getenv()
1510 *
1511 * DESCRIPTION
1512 *
1513 * Returns a malloc()'ed string that MUST be curl_free()ed after usage is
1514 * complete. DEPRECATED - see lib/README.curlx
1515 */
1516CURL_EXTERN char *curl_getenv(const char *variable);
1517
1518/*
1519 * NAME curl_version()
1520 *
1521 * DESCRIPTION
1522 *
1523 * Returns a static ascii string of the libcurl version.
1524 */
1525CURL_EXTERN char *curl_version(void);
1526
1527/*
1528 * NAME curl_easy_escape()
1529 *
1530 * DESCRIPTION
1531 *
1532 * Escapes URL strings (converts all letters consider illegal in URLs to their
1533 * %XX versions). This function returns a new allocated string or NULL if an
1534 * error occurred.
1535 */
1536CURL_EXTERN char *curl_easy_escape(CURL *handle,
1537 const char *string,
1538 int length);
1539
1540/* the previous version: */
1541CURL_EXTERN char *curl_escape(const char *string,
1542 int length);
1543
1544
1545/*
1546 * NAME curl_easy_unescape()
1547 *
1548 * DESCRIPTION
1549 *
1550 * Unescapes URL encoding in strings (converts all %XX codes to their 8bit
1551 * versions). This function returns a new allocated string or NULL if an error
1552 * occurred.
1553 * Conversion Note: On non-ASCII platforms the ASCII %XX codes are
1554 * converted into the host encoding.
1555 */
1556CURL_EXTERN char *curl_easy_unescape(CURL *handle,
1557 const char *string,
1558 int length,
1559 int *outlength);
1560
1561/* the previous version */
1562CURL_EXTERN char *curl_unescape(const char *string,
1563 int length);
1564
1565/*
1566 * NAME curl_free()
1567 *
1568 * DESCRIPTION
1569 *
1570 * Provided for de-allocation in the same translation unit that did the
1571 * allocation. Added in libcurl 7.10
1572 */
1573CURL_EXTERN void curl_free(void *p);
1574
1575/*
1576 * NAME curl_global_init()
1577 *
1578 * DESCRIPTION
1579 *
1580 * curl_global_init() should be invoked exactly once for each application that
1581 * uses libcurl and before any call of other libcurl functions.
1582 *
1583 * This function is not thread-safe!
1584 */
1585CURL_EXTERN CURLcode curl_global_init(long flags);
1586
1587/*
1588 * NAME curl_global_init_mem()
1589 *
1590 * DESCRIPTION
1591 *
1592 * curl_global_init() or curl_global_init_mem() should be invoked exactly once
1593 * for each application that uses libcurl. This function can be used to
1594 * initialize libcurl and set user defined memory management callback
1595 * functions. Users can implement memory management routines to check for
1596 * memory leaks, check for mis-use of the curl library etc. User registered
1597 * callback routines with be invoked by this library instead of the system
1598 * memory management routines like malloc, free etc.
1599 */
1600CURL_EXTERN CURLcode curl_global_init_mem(long flags,
1601 curl_malloc_callback m,
1602 curl_free_callback f,
1603 curl_realloc_callback r,
1604 curl_strdup_callback s,
1605 curl_calloc_callback c);
1606
1607/*
1608 * NAME curl_global_cleanup()
1609 *
1610 * DESCRIPTION
1611 *
1612 * curl_global_cleanup() should be invoked exactly once for each application
1613 * that uses libcurl
1614 */
1615CURL_EXTERN void curl_global_cleanup(void);
1616
1617/* linked-list structure for the CURLOPT_QUOTE option (and other) */
1618struct curl_slist {
1619 char *data;
1620 struct curl_slist *next;
1621};
1622
1623/*
1624 * NAME curl_slist_append()
1625 *
1626 * DESCRIPTION
1627 *
1628 * Appends a string to a linked list. If no list exists, it will be created
1629 * first. Returns the new list, after appending.
1630 */
1631CURL_EXTERN struct curl_slist *curl_slist_append(struct curl_slist *,
1632 const char *);
1633
1634/*
1635 * NAME curl_slist_free_all()
1636 *
1637 * DESCRIPTION
1638 *
1639 * free a previously built curl_slist.
1640 */
1641CURL_EXTERN void curl_slist_free_all(struct curl_slist *);
1642
1643/*
1644 * NAME curl_getdate()
1645 *
1646 * DESCRIPTION
1647 *
1648 * Returns the time, in seconds since 1 Jan 1970 of the time string given in
1649 * the first argument. The time argument in the second parameter is unused
1650 * and should be set to NULL.
1651 */
1652CURL_EXTERN time_t curl_getdate(const char *p, const time_t *unused);
1653
1654/* info about the certificate chain, only for OpenSSL builds. Asked
1655 for with CURLOPT_CERTINFO / CURLINFO_CERTINFO */
1656struct curl_certinfo {
1657 int num_of_certs; /* number of certificates with information */
1658 struct curl_slist **certinfo; /* for each index in this array, there's a
1659 linked list with textual information in the
1660 format "name: value" */
1661};
1662
1663#define CURLINFO_STRING 0x100000
1664#define CURLINFO_LONG 0x200000
1665#define CURLINFO_DOUBLE 0x300000
1666#define CURLINFO_SLIST 0x400000
1667#define CURLINFO_MASK 0x0fffff
1668#define CURLINFO_TYPEMASK 0xf00000
1669
1670typedef enum {
1671 CURLINFO_NONE, /* first, never use this */
1672 CURLINFO_EFFECTIVE_URL = CURLINFO_STRING + 1,
1673 CURLINFO_RESPONSE_CODE = CURLINFO_LONG + 2,
1674 CURLINFO_TOTAL_TIME = CURLINFO_DOUBLE + 3,
1675 CURLINFO_NAMELOOKUP_TIME = CURLINFO_DOUBLE + 4,
1676 CURLINFO_CONNECT_TIME = CURLINFO_DOUBLE + 5,
1677 CURLINFO_PRETRANSFER_TIME = CURLINFO_DOUBLE + 6,
1678 CURLINFO_SIZE_UPLOAD = CURLINFO_DOUBLE + 7,
1679 CURLINFO_SIZE_DOWNLOAD = CURLINFO_DOUBLE + 8,
1680 CURLINFO_SPEED_DOWNLOAD = CURLINFO_DOUBLE + 9,
1681 CURLINFO_SPEED_UPLOAD = CURLINFO_DOUBLE + 10,
1682 CURLINFO_HEADER_SIZE = CURLINFO_LONG + 11,
1683 CURLINFO_REQUEST_SIZE = CURLINFO_LONG + 12,
1684 CURLINFO_SSL_VERIFYRESULT = CURLINFO_LONG + 13,
1685 CURLINFO_FILETIME = CURLINFO_LONG + 14,
1686 CURLINFO_CONTENT_LENGTH_DOWNLOAD = CURLINFO_DOUBLE + 15,
1687 CURLINFO_CONTENT_LENGTH_UPLOAD = CURLINFO_DOUBLE + 16,
1688 CURLINFO_STARTTRANSFER_TIME = CURLINFO_DOUBLE + 17,
1689 CURLINFO_CONTENT_TYPE = CURLINFO_STRING + 18,
1690 CURLINFO_REDIRECT_TIME = CURLINFO_DOUBLE + 19,
1691 CURLINFO_REDIRECT_COUNT = CURLINFO_LONG + 20,
1692 CURLINFO_PRIVATE = CURLINFO_STRING + 21,
1693 CURLINFO_HTTP_CONNECTCODE = CURLINFO_LONG + 22,
1694 CURLINFO_HTTPAUTH_AVAIL = CURLINFO_LONG + 23,
1695 CURLINFO_PROXYAUTH_AVAIL = CURLINFO_LONG + 24,
1696 CURLINFO_OS_ERRNO = CURLINFO_LONG + 25,
1697 CURLINFO_NUM_CONNECTS = CURLINFO_LONG + 26,
1698 CURLINFO_SSL_ENGINES = CURLINFO_SLIST + 27,
1699 CURLINFO_COOKIELIST = CURLINFO_SLIST + 28,
1700 CURLINFO_LASTSOCKET = CURLINFO_LONG + 29,
1701 CURLINFO_FTP_ENTRY_PATH = CURLINFO_STRING + 30,
1702 CURLINFO_REDIRECT_URL = CURLINFO_STRING + 31,
1703 CURLINFO_PRIMARY_IP = CURLINFO_STRING + 32,
1704 CURLINFO_APPCONNECT_TIME = CURLINFO_DOUBLE + 33,
1705 CURLINFO_CERTINFO = CURLINFO_SLIST + 34,
1706 CURLINFO_CONDITION_UNMET = CURLINFO_LONG + 35,
1707 /* Fill in new entries below here! */
1708
1709 CURLINFO_LASTONE = 35
1710} CURLINFO;
1711
1712/* CURLINFO_RESPONSE_CODE is the new name for the option previously known as
1713 CURLINFO_HTTP_CODE */
1714#define CURLINFO_HTTP_CODE CURLINFO_RESPONSE_CODE
1715
1716typedef enum {
1717 CURLCLOSEPOLICY_NONE, /* first, never use this */
1718
1719 CURLCLOSEPOLICY_OLDEST,
1720 CURLCLOSEPOLICY_LEAST_RECENTLY_USED,
1721 CURLCLOSEPOLICY_LEAST_TRAFFIC,
1722 CURLCLOSEPOLICY_SLOWEST,
1723 CURLCLOSEPOLICY_CALLBACK,
1724
1725 CURLCLOSEPOLICY_LAST /* last, never use this */
1726} curl_closepolicy;
1727
1728#define CURL_GLOBAL_SSL (1<<0)
1729#define CURL_GLOBAL_WIN32 (1<<1)
1730#define CURL_GLOBAL_ALL (CURL_GLOBAL_SSL|CURL_GLOBAL_WIN32)
1731#define CURL_GLOBAL_NOTHING 0
1732#define CURL_GLOBAL_DEFAULT CURL_GLOBAL_ALL
1733
1734
1735/*****************************************************************************
1736 * Setup defines, protos etc for the sharing stuff.
1737 */
1738
1739/* Different data locks for a single share */
1740typedef enum {
1741 CURL_LOCK_DATA_NONE = 0,
1742 /* CURL_LOCK_DATA_SHARE is used internally to say that
1743 * the locking is just made to change the internal state of the share
1744 * itself.
1745 */
1746 CURL_LOCK_DATA_SHARE,
1747 CURL_LOCK_DATA_COOKIE,
1748 CURL_LOCK_DATA_DNS,
1749 CURL_LOCK_DATA_SSL_SESSION,
1750 CURL_LOCK_DATA_CONNECT,
1751 CURL_LOCK_DATA_LAST
1752} curl_lock_data;
1753
1754/* Different lock access types */
1755typedef enum {
1756 CURL_LOCK_ACCESS_NONE = 0, /* unspecified action */
1757 CURL_LOCK_ACCESS_SHARED = 1, /* for read perhaps */
1758 CURL_LOCK_ACCESS_SINGLE = 2, /* for write perhaps */
1759 CURL_LOCK_ACCESS_LAST /* never use */
1760} curl_lock_access;
1761
1762typedef void (*curl_lock_function)(CURL *handle,
1763 curl_lock_data data,
1764 curl_lock_access locktype,
1765 void *userptr);
1766typedef void (*curl_unlock_function)(CURL *handle,
1767 curl_lock_data data,
1768 void *userptr);
1769
1770typedef void CURLSH;
1771
1772typedef enum {
1773 CURLSHE_OK, /* all is fine */
1774 CURLSHE_BAD_OPTION, /* 1 */
1775 CURLSHE_IN_USE, /* 2 */
1776 CURLSHE_INVALID, /* 3 */
1777 CURLSHE_NOMEM, /* out of memory */
1778 CURLSHE_LAST /* never use */
1779} CURLSHcode;
1780
1781typedef enum {
1782 CURLSHOPT_NONE, /* don't use */
1783 CURLSHOPT_SHARE, /* specify a data type to share */
1784 CURLSHOPT_UNSHARE, /* specify which data type to stop sharing */
1785 CURLSHOPT_LOCKFUNC, /* pass in a 'curl_lock_function' pointer */
1786 CURLSHOPT_UNLOCKFUNC, /* pass in a 'curl_unlock_function' pointer */
1787 CURLSHOPT_USERDATA, /* pass in a user data pointer used in the lock/unlock
1788 callback functions */
1789 CURLSHOPT_LAST /* never use */
1790} CURLSHoption;
1791
1792CURL_EXTERN CURLSH *curl_share_init(void);
1793CURL_EXTERN CURLSHcode curl_share_setopt(CURLSH *, CURLSHoption option, ...);
1794CURL_EXTERN CURLSHcode curl_share_cleanup(CURLSH *);
1795
1796/****************************************************************************
1797 * Structures for querying information about the curl library at runtime.
1798 */
1799
1800typedef enum {
1801 CURLVERSION_FIRST,
1802 CURLVERSION_SECOND,
1803 CURLVERSION_THIRD,
1804 CURLVERSION_FOURTH,
1805 CURLVERSION_LAST /* never actually use this */
1806} CURLversion;
1807
1808/* The 'CURLVERSION_NOW' is the symbolic name meant to be used by
1809 basically all programs ever that want to get version information. It is
1810 meant to be a built-in version number for what kind of struct the caller
1811 expects. If the struct ever changes, we redefine the NOW to another enum
1812 from above. */
1813#define CURLVERSION_NOW CURLVERSION_FOURTH
1814
1815typedef struct {
1816 CURLversion age; /* age of the returned struct */
1817 const char *version; /* LIBCURL_VERSION */
1818 unsigned int version_num; /* LIBCURL_VERSION_NUM */
1819 const char *host; /* OS/host/cpu/machine when configured */
1820 int features; /* bitmask, see defines below */
1821 const char *ssl_version; /* human readable string */
1822 long ssl_version_num; /* not used anymore, always 0 */
1823 const char *libz_version; /* human readable string */
1824 /* protocols is terminated by an entry with a NULL protoname */
1825 const char * const *protocols;
1826
1827 /* The fields below this were added in CURLVERSION_SECOND */
1828 const char *ares;
1829 int ares_num;
1830
1831 /* This field was added in CURLVERSION_THIRD */
1832 const char *libidn;
1833
1834 /* These field were added in CURLVERSION_FOURTH */
1835
1836 /* Same as '_libiconv_version' if built with HAVE_ICONV */
1837 int iconv_ver_num;
1838
1839 const char *libssh_version; /* human readable string */
1840
1841} curl_version_info_data;
1842
1843#define CURL_VERSION_IPV6 (1<<0) /* IPv6-enabled */
1844#define CURL_VERSION_KERBEROS4 (1<<1) /* kerberos auth is supported */
1845#define CURL_VERSION_SSL (1<<2) /* SSL options are present */
1846#define CURL_VERSION_LIBZ (1<<3) /* libz features are present */
1847#define CURL_VERSION_NTLM (1<<4) /* NTLM auth is supported */
1848#define CURL_VERSION_GSSNEGOTIATE (1<<5) /* Negotiate auth support */
1849#define CURL_VERSION_DEBUG (1<<6) /* built with debug capabilities */
1850#define CURL_VERSION_ASYNCHDNS (1<<7) /* asynchronous dns resolves */
1851#define CURL_VERSION_SPNEGO (1<<8) /* SPNEGO auth */
1852#define CURL_VERSION_LARGEFILE (1<<9) /* supports files bigger than 2GB */
1853#define CURL_VERSION_IDN (1<<10) /* International Domain Names support */
1854#define CURL_VERSION_SSPI (1<<11) /* SSPI is supported */
1855#define CURL_VERSION_CONV (1<<12) /* character conversions supported */
1856#define CURL_VERSION_CURLDEBUG (1<<13) /* debug memory tracking supported */
1857
1858/*
1859 * NAME curl_version_info()
1860 *
1861 * DESCRIPTION
1862 *
1863 * This function returns a pointer to a static copy of the version info
1864 * struct. See above.
1865 */
1866CURL_EXTERN curl_version_info_data *curl_version_info(CURLversion);
1867
1868/*
1869 * NAME curl_easy_strerror()
1870 *
1871 * DESCRIPTION
1872 *
1873 * The curl_easy_strerror function may be used to turn a CURLcode value
1874 * into the equivalent human readable error string. This is useful
1875 * for printing meaningful error messages.
1876 */
1877CURL_EXTERN const char *curl_easy_strerror(CURLcode);
1878
1879/*
1880 * NAME curl_share_strerror()
1881 *
1882 * DESCRIPTION
1883 *
1884 * The curl_share_strerror function may be used to turn a CURLSHcode value
1885 * into the equivalent human readable error string. This is useful
1886 * for printing meaningful error messages.
1887 */
1888CURL_EXTERN const char *curl_share_strerror(CURLSHcode);
1889
1890/*
1891 * NAME curl_easy_pause()
1892 *
1893 * DESCRIPTION
1894 *
1895 * The curl_easy_pause function pauses or unpauses transfers. Select the new
1896 * state by setting the bitmask, use the convenience defines below.
1897 *
1898 */
1899CURL_EXTERN CURLcode curl_easy_pause(CURL *handle, int bitmask);
1900
1901#define CURLPAUSE_RECV (1<<0)
1902#define CURLPAUSE_RECV_CONT (0)
1903
1904#define CURLPAUSE_SEND (1<<2)
1905#define CURLPAUSE_SEND_CONT (0)
1906
1907#define CURLPAUSE_ALL (CURLPAUSE_RECV|CURLPAUSE_SEND)
1908#define CURLPAUSE_CONT (CURLPAUSE_RECV_CONT|CURLPAUSE_SEND_CONT)
1909
1910#ifdef __cplusplus
1911}
1912#endif
1913
1914/* unfortunately, the easy.h and multi.h include files need options and info
1915 stuff before they can be included! */
1916#include "easy.h" /* nothing in curl is fun without the easy stuff */
1917#include "multi.h"
1918
1919/* the typechecker doesn't work in C++ (yet) */
1920#if defined(__GNUC__) && defined(__GNUC_MINOR__) && \
1921 ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && \
1922 !defined(__cplusplus) && !defined(CURL_DISABLE_TYPECHECK)
1923#include "typecheck-gcc.h"
1924#else
1925#if defined(__STDC__) && (__STDC__ >= 1)
1926/* This preprocessor magic that replaces a call with the exact same call is
1927 only done to make sure application authors pass exactly three arguments
1928 to these functions. */
1929#define curl_easy_setopt(handle,opt,param) curl_easy_setopt(handle,opt,param)
1930#define curl_easy_getinfo(handle,info,arg) curl_easy_getinfo(handle,info,arg)
1931#define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
1932#define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
1933#endif /* __STDC__ >= 1 */
1934#endif /* gcc >= 4.3 && !__cplusplus */
1935
1936#endif /* __CURL_CURL_H */
1937