-
Notifications
You must be signed in to change notification settings - Fork 0
/
curl.h
2415 lines (1993 loc) · 89.1 KB
/
curl.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#ifndef __CURL_CURL_H
#define __CURL_CURL_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
/*
* If you have libcurl problems, all docs and details are found here:
* https://curl.haxx.se/libcurl/
*
* curl-library mailing list subscription and unsubscription web interface:
* https://cool.haxx.se/mailman/listinfo/curl-library/
*/
#include "curlver.h" /* libcurl version defines */
#include "curlbuild.h" /* libcurl build definitions */
#include "curlrules.h" /* libcurl rules enforcement */
/*
* Define WIN32 when build target is Win32 API
*/
#if (defined(_WIN32) || defined(__WIN32__)) && \
!defined(WIN32) && !defined(__SYMBIAN32__)
#define WIN32
#endif
#include <stdio.h>
#include <limits.h>
#if defined(__FreeBSD__) && (__FreeBSD__ >= 2)
/* Needed for __FreeBSD_version symbol definition */
#include <osreldate.h>
#endif
/* The include stuff here below is mainly for time_t! */
#include <sys/types.h>
#include <time.h>
#if defined(WIN32) && !defined(_WIN32_WCE) && !defined(__CYGWIN__)
#if !(defined(_WINSOCKAPI_) || defined(_WINSOCK_H) || \
defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H))
/* The check above prevents the winsock2 inclusion if winsock.h already was
included, since they can't co-exist without problems */
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#endif
/* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
libc5-based Linux systems. Only include it on systems that are known to
require it! */
#if defined(_AIX) || defined(__NOVELL_LIBC__) || defined(__NetBSD__) || \
defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY) || \
defined(ANDROID) || defined(__ANDROID__) || defined(__OpenBSD__) || \
(defined(__FreeBSD_version) && (__FreeBSD_version < 800000))
#include <sys/select.h>
#endif
#if !defined(WIN32) && !defined(_WIN32_WCE)
#include <sys/socket.h>
#endif
#if !defined(WIN32) && !defined(__WATCOMC__) && !defined(__VXWORKS__)
#include <sys/time.h>
#endif
#ifdef __BEOS__
#include <support/SupportDefs.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef void CURL;
/*
* libcurl external API function linkage decorations.
*/
#ifdef CURL_STATICLIB
# define CURL_EXTERN
#elif defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__)
# if defined(BUILDING_LIBCURL)
# define CURL_EXTERN __declspec(dllexport)
# else
# define CURL_EXTERN __declspec(dllimport)
# endif
#elif defined(BUILDING_LIBCURL) && defined(CURL_HIDDEN_SYMBOLS)
# define CURL_EXTERN CURL_EXTERN_SYMBOL
#else
# define CURL_EXTERN
#endif
#ifndef curl_socket_typedef
/* socket typedef */
#if defined(WIN32) && !defined(__LWIP_OPT_H__) && !defined(LWIP_HDR_OPT_H)
typedef SOCKET curl_socket_t;
#define CURL_SOCKET_BAD INVALID_SOCKET
#else
typedef int curl_socket_t;
#define CURL_SOCKET_BAD -1
#endif
#define curl_socket_typedef
#endif /* curl_socket_typedef */
struct curl_httppost {
struct curl_httppost *next; /* next entry in the list */
char *name; /* pointer to allocated name */
long namelength; /* length of name length */
char *contents; /* pointer to allocated data contents */
long contentslength; /* length of contents field, see also
CURL_HTTPPOST_LARGE */
char *buffer; /* pointer to allocated buffer contents */
long bufferlength; /* length of buffer field */
char *contenttype; /* Content-Type */
struct curl_slist* contentheader; /* list of extra headers for this form */
struct curl_httppost *more; /* if one field name has more than one
file, this link should link to following
files */
long flags; /* as defined below */
/* specified content is a file name */
#define CURL_HTTPPOST_FILENAME (1<<0)
/* specified content is a file name */
#define CURL_HTTPPOST_READFILE (1<<1)
/* name is only stored pointer do not free in formfree */
#define CURL_HTTPPOST_PTRNAME (1<<2)
/* contents is only stored pointer do not free in formfree */
#define CURL_HTTPPOST_PTRCONTENTS (1<<3)
/* upload file from buffer */
#define CURL_HTTPPOST_BUFFER (1<<4)
/* upload file from pointer contents */
#define CURL_HTTPPOST_PTRBUFFER (1<<5)
/* upload file contents by using the regular read callback to get the data and
pass the given pointer as custom pointer */
#define CURL_HTTPPOST_CALLBACK (1<<6)
/* use size in 'contentlen', added in 7.46.0 */
#define CURL_HTTPPOST_LARGE (1<<7)
char *showfilename; /* The file name to show. If not set, the
actual file name will be used (if this
is a file part) */
void *userp; /* custom pointer used for
HTTPPOST_CALLBACK posts */
curl_off_t contentlen; /* alternative length of contents
field. Used if CURL_HTTPPOST_LARGE is
set. Added in 7.46.0 */
};
/* This is the CURLOPT_PROGRESSFUNCTION callback proto. It is now considered
deprecated but was the only choice up until 7.31.0 */
typedef int (*curl_progress_callback)(void *clientp,
double dltotal,
double dlnow,
double ultotal,
double ulnow);
/* This is the CURLOPT_XFERINFOFUNCTION callback proto. It was introduced in
7.32.0, it avoids floating point and provides more detailed information. */
typedef int (*curl_xferinfo_callback)(void *clientp,
curl_off_t dltotal,
curl_off_t dlnow,
curl_off_t ultotal,
curl_off_t ulnow);
#ifndef CURL_MAX_WRITE_SIZE
/* Tests have proven that 20K is a very bad buffer size for uploads on
Windows, while 16K for some odd reason performed a lot better.
We do the ifndef check to allow this value to easier be changed at build
time for those who feel adventurous. The practical minimum is about
400 bytes since libcurl uses a buffer of this size as a scratch area
(unrelated to network send operations). */
#define CURL_MAX_WRITE_SIZE 16384
#endif
#ifndef CURL_MAX_HTTP_HEADER
/* The only reason to have a max limit for this is to avoid the risk of a bad
server feeding libcurl with a never-ending header that will cause reallocs
infinitely */
#define CURL_MAX_HTTP_HEADER (100*1024)
#endif
/* This is a magic return code for the write callback that, when returned,
will signal libcurl to pause receiving on the current transfer. */
#define CURL_WRITEFUNC_PAUSE 0x10000001
typedef size_t (*curl_write_callback)(char *buffer,
size_t size,
size_t nitems,
void *outstream);
/* enumeration of file types */
typedef enum {
CURLFILETYPE_FILE = 0,
CURLFILETYPE_DIRECTORY,
CURLFILETYPE_SYMLINK,
CURLFILETYPE_DEVICE_BLOCK,
CURLFILETYPE_DEVICE_CHAR,
CURLFILETYPE_NAMEDPIPE,
CURLFILETYPE_SOCKET,
CURLFILETYPE_DOOR, /* is possible only on Sun Solaris now */
CURLFILETYPE_UNKNOWN /* should never occur */
} curlfiletype;
#define CURLFINFOFLAG_KNOWN_FILENAME (1<<0)
#define CURLFINFOFLAG_KNOWN_FILETYPE (1<<1)
#define CURLFINFOFLAG_KNOWN_TIME (1<<2)
#define CURLFINFOFLAG_KNOWN_PERM (1<<3)
#define CURLFINFOFLAG_KNOWN_UID (1<<4)
#define CURLFINFOFLAG_KNOWN_GID (1<<5)
#define CURLFINFOFLAG_KNOWN_SIZE (1<<6)
#define CURLFINFOFLAG_KNOWN_HLINKCOUNT (1<<7)
/* Content of this structure depends on information which is known and is
achievable (e.g. by FTP LIST parsing). Please see the url_easy_setopt(3) man
page for callbacks returning this structure -- some fields are mandatory,
some others are optional. The FLAG field has special meaning. */
struct curl_fileinfo {
char *filename;
curlfiletype filetype;
time_t time;
unsigned int perm;
int uid;
int gid;
curl_off_t size;
long int hardlinks;
struct {
/* If some of these fields is not NULL, it is a pointer to b_data. */
char *time;
char *perm;
char *user;
char *group;
char *target; /* pointer to the target filename of a symlink */
} strings;
unsigned int flags;
/* used internally */
char * b_data;
size_t b_size;
size_t b_used;
};
/* return codes for CURLOPT_CHUNK_BGN_FUNCTION */
#define CURL_CHUNK_BGN_FUNC_OK 0
#define CURL_CHUNK_BGN_FUNC_FAIL 1 /* tell the lib to end the task */
#define CURL_CHUNK_BGN_FUNC_SKIP 2 /* skip this chunk over */
/* if splitting of data transfer is enabled, this callback is called before
download of an individual chunk started. Note that parameter "remains" works
only for FTP wildcard downloading (for now), otherwise is not used */
typedef long (*curl_chunk_bgn_callback)(const void *transfer_info,
void *ptr,
int remains);
/* return codes for CURLOPT_CHUNK_END_FUNCTION */
#define CURL_CHUNK_END_FUNC_OK 0
#define CURL_CHUNK_END_FUNC_FAIL 1 /* tell the lib to end the task */
/* If splitting of data transfer is enabled this callback is called after
download of an individual chunk finished.
Note! After this callback was set then it have to be called FOR ALL chunks.
Even if downloading of this chunk was skipped in CHUNK_BGN_FUNC.
This is the reason why we don't need "transfer_info" parameter in this
callback and we are not interested in "remains" parameter too. */
typedef long (*curl_chunk_end_callback)(void *ptr);
/* return codes for FNMATCHFUNCTION */
#define CURL_FNMATCHFUNC_MATCH 0 /* string corresponds to the pattern */
#define CURL_FNMATCHFUNC_NOMATCH 1 /* pattern doesn't match the string */
#define CURL_FNMATCHFUNC_FAIL 2 /* an error occurred */
/* callback type for wildcard downloading pattern matching. If the
string matches the pattern, return CURL_FNMATCHFUNC_MATCH value, etc. */
typedef int (*curl_fnmatch_callback)(void *ptr,
const char *pattern,
const char *string);
/* These are the return codes for the seek callbacks */
#define CURL_SEEKFUNC_OK 0
#define CURL_SEEKFUNC_FAIL 1 /* fail the entire transfer */
#define CURL_SEEKFUNC_CANTSEEK 2 /* tell libcurl seeking can't be done, so
libcurl might try other means instead */
typedef int (*curl_seek_callback)(void *instream,
curl_off_t offset,
int origin); /* 'whence' */
/* This is a return code for the read callback that, when returned, will
signal libcurl to immediately abort the current transfer. */
#define CURL_READFUNC_ABORT 0x10000000
/* This is a return code for the read callback that, when returned, will
signal libcurl to pause sending data on the current transfer. */
#define CURL_READFUNC_PAUSE 0x10000001
typedef size_t (*curl_read_callback)(char *buffer,
size_t size,
size_t nitems,
void *instream);
typedef enum {
CURLSOCKTYPE_IPCXN, /* socket created for a specific IP connection */
CURLSOCKTYPE_ACCEPT, /* socket created by accept() call */
CURLSOCKTYPE_LAST /* never use */
} curlsocktype;
/* The return code from the sockopt_callback can signal information back
to libcurl: */
#define CURL_SOCKOPT_OK 0
#define CURL_SOCKOPT_ERROR 1 /* causes libcurl to abort and return
CURLE_ABORTED_BY_CALLBACK */
#define CURL_SOCKOPT_ALREADY_CONNECTED 2
typedef int (*curl_sockopt_callback)(void *clientp,
curl_socket_t curlfd,
curlsocktype purpose);
struct curl_sockaddr {
int family;
int socktype;
int protocol;
unsigned int addrlen; /* addrlen was a socklen_t type before 7.18.0 but it
turned really ugly and painful on the systems that
lack this type */
struct sockaddr addr;
};
typedef curl_socket_t
(*curl_opensocket_callback)(void *clientp,
curlsocktype purpose,
struct curl_sockaddr *address);
typedef int
(*curl_closesocket_callback)(void *clientp, curl_socket_t item);
typedef enum {
CURLIOE_OK, /* I/O operation successful */
CURLIOE_UNKNOWNCMD, /* command was unknown to callback */
CURLIOE_FAILRESTART, /* failed to restart the read */
CURLIOE_LAST /* never use */
} curlioerr;
typedef enum {
CURLIOCMD_NOP, /* no operation */
CURLIOCMD_RESTARTREAD, /* restart the read stream from start */
CURLIOCMD_LAST /* never use */
} curliocmd;
typedef curlioerr (*curl_ioctl_callback)(CURL *handle,
int cmd,
void *clientp);
/*
* The following typedef's are signatures of malloc, free, realloc, strdup and
* calloc respectively. Function pointers of these types can be passed to the
* curl_global_init_mem() function to set user defined memory management
* callback routines.
*/
typedef void *(*curl_malloc_callback)(size_t size);
typedef void (*curl_free_callback)(void *ptr);
typedef void *(*curl_realloc_callback)(void *ptr, size_t size);
typedef char *(*curl_strdup_callback)(const char *str);
typedef void *(*curl_calloc_callback)(size_t nmemb, size_t size);
/* the kind of data that is passed to information_callback*/
typedef enum {
CURLINFO_TEXT = 0,
CURLINFO_HEADER_IN, /* 1 */
CURLINFO_HEADER_OUT, /* 2 */
CURLINFO_DATA_IN, /* 3 */
CURLINFO_DATA_OUT, /* 4 */
CURLINFO_SSL_DATA_IN, /* 5 */
CURLINFO_SSL_DATA_OUT, /* 6 */
CURLINFO_END
} curl_infotype;
typedef int (*curl_debug_callback)
(CURL *handle, /* the handle/transfer this concerns */
curl_infotype type, /* what kind of data */
char *data, /* points to the data */
size_t size, /* size of the data pointed to */
void *userptr); /* whatever the user please */
/* All possible error codes from all sorts of curl functions. Future versions
may return other values, stay prepared.
Always add new return codes last. Never *EVER* remove any. The return
codes must remain the same!
*/
typedef enum {
CURLE_OK = 0,
CURLE_UNSUPPORTED_PROTOCOL, /* 1 */
CURLE_FAILED_INIT, /* 2 */
CURLE_URL_MALFORMAT, /* 3 */
CURLE_NOT_BUILT_IN, /* 4 - [was obsoleted in August 2007 for
7.17.0, reused in April 2011 for 7.21.5] */
CURLE_COULDNT_RESOLVE_PROXY, /* 5 */
CURLE_COULDNT_RESOLVE_HOST, /* 6 */
CURLE_COULDNT_CONNECT, /* 7 */
CURLE_FTP_WEIRD_SERVER_REPLY, /* 8 */
CURLE_REMOTE_ACCESS_DENIED, /* 9 a service was denied by the server
due to lack of access - when login fails
this is not returned. */
CURLE_FTP_ACCEPT_FAILED, /* 10 - [was obsoleted in April 2006 for
7.15.4, reused in Dec 2011 for 7.24.0]*/
CURLE_FTP_WEIRD_PASS_REPLY, /* 11 */
CURLE_FTP_ACCEPT_TIMEOUT, /* 12 - timeout occurred accepting server
[was obsoleted in August 2007 for 7.17.0,
reused in Dec 2011 for 7.24.0]*/
CURLE_FTP_WEIRD_PASV_REPLY, /* 13 */
CURLE_FTP_WEIRD_227_FORMAT, /* 14 */
CURLE_FTP_CANT_GET_HOST, /* 15 */
CURLE_HTTP2, /* 16 - A problem in the http2 framing layer.
[was obsoleted in August 2007 for 7.17.0,
reused in July 2014 for 7.38.0] */
CURLE_FTP_COULDNT_SET_TYPE, /* 17 */
CURLE_PARTIAL_FILE, /* 18 */
CURLE_FTP_COULDNT_RETR_FILE, /* 19 */
CURLE_OBSOLETE20, /* 20 - NOT USED */
CURLE_QUOTE_ERROR, /* 21 - quote command failure */
CURLE_HTTP_RETURNED_ERROR, /* 22 */
CURLE_WRITE_ERROR, /* 23 */
CURLE_OBSOLETE24, /* 24 - NOT USED */
CURLE_UPLOAD_FAILED, /* 25 - failed upload "command" */
CURLE_READ_ERROR, /* 26 - couldn't open/read from file */
CURLE_OUT_OF_MEMORY, /* 27 */
/* Note: CURLE_OUT_OF_MEMORY may sometimes indicate a conversion error
instead of a memory allocation error if CURL_DOES_CONVERSIONS
is defined
*/
CURLE_OPERATION_TIMEDOUT, /* 28 - the timeout time was reached */
CURLE_OBSOLETE29, /* 29 - NOT USED */
CURLE_FTP_PORT_FAILED, /* 30 - FTP PORT operation failed */
CURLE_FTP_COULDNT_USE_REST, /* 31 - the REST command failed */
CURLE_OBSOLETE32, /* 32 - NOT USED */
CURLE_RANGE_ERROR, /* 33 - RANGE "command" didn't work */
CURLE_HTTP_POST_ERROR, /* 34 */
CURLE_SSL_CONNECT_ERROR, /* 35 - wrong when connecting with SSL */
CURLE_BAD_DOWNLOAD_RESUME, /* 36 - couldn't resume download */
CURLE_FILE_COULDNT_READ_FILE, /* 37 */
CURLE_LDAP_CANNOT_BIND, /* 38 */
CURLE_LDAP_SEARCH_FAILED, /* 39 */
CURLE_OBSOLETE40, /* 40 - NOT USED */
CURLE_FUNCTION_NOT_FOUND, /* 41 */
CURLE_ABORTED_BY_CALLBACK, /* 42 */
CURLE_BAD_FUNCTION_ARGUMENT, /* 43 */
CURLE_OBSOLETE44, /* 44 - NOT USED */
CURLE_INTERFACE_FAILED, /* 45 - CURLOPT_INTERFACE failed */
CURLE_OBSOLETE46, /* 46 - NOT USED */
CURLE_TOO_MANY_REDIRECTS , /* 47 - catch endless re-direct loops */
CURLE_UNKNOWN_OPTION, /* 48 - User specified an unknown option */
CURLE_TELNET_OPTION_SYNTAX , /* 49 - Malformed telnet option */
CURLE_OBSOLETE50, /* 50 - NOT USED */
CURLE_PEER_FAILED_VERIFICATION, /* 51 - peer's certificate or fingerprint
wasn't verified fine */
CURLE_GOT_NOTHING, /* 52 - when this is a specific error */
CURLE_SSL_ENGINE_NOTFOUND, /* 53 - SSL crypto engine not found */
CURLE_SSL_ENGINE_SETFAILED, /* 54 - can not set SSL crypto engine as
default */
CURLE_SEND_ERROR, /* 55 - failed sending network data */
CURLE_RECV_ERROR, /* 56 - failure in receiving network data */
CURLE_OBSOLETE57, /* 57 - NOT IN USE */
CURLE_SSL_CERTPROBLEM, /* 58 - problem with the local certificate */
CURLE_SSL_CIPHER, /* 59 - couldn't use specified cipher */
CURLE_SSL_CACERT, /* 60 - problem with the CA cert (path?) */
CURLE_BAD_CONTENT_ENCODING, /* 61 - Unrecognized/bad encoding */
CURLE_LDAP_INVALID_URL, /* 62 - Invalid LDAP URL */
CURLE_FILESIZE_EXCEEDED, /* 63 - Maximum file size exceeded */
CURLE_USE_SSL_FAILED, /* 64 - Requested FTP SSL level failed */
CURLE_SEND_FAIL_REWIND, /* 65 - Sending the data requires a rewind
that failed */
CURLE_SSL_ENGINE_INITFAILED, /* 66 - failed to initialise ENGINE */
CURLE_LOGIN_DENIED, /* 67 - user, password or similar was not
accepted and we failed to login */
CURLE_TFTP_NOTFOUND, /* 68 - file not found on server */
CURLE_TFTP_PERM, /* 69 - permission problem on server */
CURLE_REMOTE_DISK_FULL, /* 70 - out of disk space on server */
CURLE_TFTP_ILLEGAL, /* 71 - Illegal TFTP operation */
CURLE_TFTP_UNKNOWNID, /* 72 - Unknown transfer ID */
CURLE_REMOTE_FILE_EXISTS, /* 73 - File already exists */
CURLE_TFTP_NOSUCHUSER, /* 74 - No such user */
CURLE_CONV_FAILED, /* 75 - conversion failed */
CURLE_CONV_REQD, /* 76 - caller must register conversion
callbacks using curl_easy_setopt options
CURLOPT_CONV_FROM_NETWORK_FUNCTION,
CURLOPT_CONV_TO_NETWORK_FUNCTION, and
CURLOPT_CONV_FROM_UTF8_FUNCTION */
CURLE_SSL_CACERT_BADFILE, /* 77 - could not load CACERT file, missing
or wrong format */
CURLE_REMOTE_FILE_NOT_FOUND, /* 78 - remote file not found */
CURLE_SSH, /* 79 - error from the SSH layer, somewhat
generic so the error message will be of
interest when this has happened */
CURLE_SSL_SHUTDOWN_FAILED, /* 80 - Failed to shut down the SSL
connection */
CURLE_AGAIN, /* 81 - socket is not ready for send/recv,
wait till it's ready and try again (Added
in 7.18.2) */
CURLE_SSL_CRL_BADFILE, /* 82 - could not load CRL file, missing or
wrong format (Added in 7.19.0) */
CURLE_SSL_ISSUER_ERROR, /* 83 - Issuer check failed. (Added in
7.19.0) */
CURLE_FTP_PRET_FAILED, /* 84 - a PRET command failed */
CURLE_RTSP_CSEQ_ERROR, /* 85 - mismatch of RTSP CSeq numbers */
CURLE_RTSP_SESSION_ERROR, /* 86 - mismatch of RTSP Session Ids */
CURLE_FTP_BAD_FILE_LIST, /* 87 - unable to parse FTP file list */
CURLE_CHUNK_FAILED, /* 88 - chunk callback reported error */
CURLE_NO_CONNECTION_AVAILABLE, /* 89 - No connection available, the
session will be queued */
CURLE_SSL_PINNEDPUBKEYNOTMATCH, /* 90 - specified pinned public key did not
match */
CURLE_SSL_INVALIDCERTSTATUS, /* 91 - invalid certificate status */
CURL_LAST /* never use! */
} CURLcode;
#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
the obsolete stuff removed! */
/* Previously obsolete error code re-used in 7.38.0 */
#define CURLE_OBSOLETE16 CURLE_HTTP2
/* Previously obsolete error codes re-used in 7.24.0 */
#define CURLE_OBSOLETE10 CURLE_FTP_ACCEPT_FAILED
#define CURLE_OBSOLETE12 CURLE_FTP_ACCEPT_TIMEOUT
/* compatibility with older names */
#define CURLOPT_ENCODING CURLOPT_ACCEPT_ENCODING
/* The following were added in 7.21.5, April 2011 */
#define CURLE_UNKNOWN_TELNET_OPTION CURLE_UNKNOWN_OPTION
/* The following were added in 7.17.1 */
/* These are scheduled to disappear by 2009 */
#define CURLE_SSL_PEER_CERTIFICATE CURLE_PEER_FAILED_VERIFICATION
/* The following were added in 7.17.0 */
/* These are scheduled to disappear by 2009 */
#define CURLE_OBSOLETE CURLE_OBSOLETE50 /* no one should be using this! */
#define CURLE_BAD_PASSWORD_ENTERED CURLE_OBSOLETE46
#define CURLE_BAD_CALLING_ORDER CURLE_OBSOLETE44
#define CURLE_FTP_USER_PASSWORD_INCORRECT CURLE_OBSOLETE10
#define CURLE_FTP_CANT_RECONNECT CURLE_OBSOLETE16
#define CURLE_FTP_COULDNT_GET_SIZE CURLE_OBSOLETE32
#define CURLE_FTP_COULDNT_SET_ASCII CURLE_OBSOLETE29
#define CURLE_FTP_WEIRD_USER_REPLY CURLE_OBSOLETE12
#define CURLE_FTP_WRITE_ERROR CURLE_OBSOLETE20
#define CURLE_LIBRARY_NOT_FOUND CURLE_OBSOLETE40
#define CURLE_MALFORMAT_USER CURLE_OBSOLETE24
#define CURLE_SHARE_IN_USE CURLE_OBSOLETE57
#define CURLE_URL_MALFORMAT_USER CURLE_NOT_BUILT_IN
#define CURLE_FTP_ACCESS_DENIED CURLE_REMOTE_ACCESS_DENIED
#define CURLE_FTP_COULDNT_SET_BINARY CURLE_FTP_COULDNT_SET_TYPE
#define CURLE_FTP_QUOTE_ERROR CURLE_QUOTE_ERROR
#define CURLE_TFTP_DISKFULL CURLE_REMOTE_DISK_FULL
#define CURLE_TFTP_EXISTS CURLE_REMOTE_FILE_EXISTS
#define CURLE_HTTP_RANGE_ERROR CURLE_RANGE_ERROR
#define CURLE_FTP_SSL_FAILED CURLE_USE_SSL_FAILED
/* The following were added earlier */
#define CURLE_OPERATION_TIMEOUTED CURLE_OPERATION_TIMEDOUT
#define CURLE_HTTP_NOT_FOUND CURLE_HTTP_RETURNED_ERROR
#define CURLE_HTTP_PORT_FAILED CURLE_INTERFACE_FAILED
#define CURLE_FTP_COULDNT_STOR_FILE CURLE_UPLOAD_FAILED
#define CURLE_FTP_PARTIAL_FILE CURLE_PARTIAL_FILE
#define CURLE_FTP_BAD_DOWNLOAD_RESUME CURLE_BAD_DOWNLOAD_RESUME
/* This was the error code 50 in 7.7.3 and a few earlier versions, this
is no longer used by libcurl but is instead #defined here only to not
make programs break */
#define CURLE_ALREADY_COMPLETE 99999
/* Provide defines for really old option names */
#define CURLOPT_FILE CURLOPT_WRITEDATA /* name changed in 7.9.7 */
#define CURLOPT_INFILE CURLOPT_READDATA /* name changed in 7.9.7 */
#define CURLOPT_WRITEHEADER CURLOPT_HEADERDATA
/* Since long deprecated options with no code in the lib that does anything
with them. */
#define CURLOPT_WRITEINFO CURLOPT_OBSOLETE40
#define CURLOPT_CLOSEPOLICY CURLOPT_OBSOLETE72
#endif /*!CURL_NO_OLDIES*/
/* This prototype applies to all conversion callbacks */
typedef CURLcode (*curl_conv_callback)(char *buffer, size_t length);
typedef CURLcode (*curl_ssl_ctx_callback)(CURL *curl, /* easy handle */
void *ssl_ctx, /* actually an
OpenSSL SSL_CTX */
void *userptr);
typedef enum {
CURLPROXY_HTTP = 0, /* added in 7.10, new in 7.19.4 default is to use
CONNECT HTTP/1.1 */
CURLPROXY_HTTP_1_0 = 1, /* added in 7.19.4, force to use CONNECT
HTTP/1.0 */
CURLPROXY_SOCKS4 = 4, /* support added in 7.15.2, enum existed already
in 7.10 */
CURLPROXY_SOCKS5 = 5, /* added in 7.10 */
CURLPROXY_SOCKS4A = 6, /* added in 7.18.0 */
CURLPROXY_SOCKS5_HOSTNAME = 7 /* Use the SOCKS5 protocol but pass along the
host name rather than the IP address. added
in 7.18.0 */
} curl_proxytype; /* this enum was added in 7.10 */
/*
* Bitmasks for CURLOPT_HTTPAUTH and CURLOPT_PROXYAUTH options:
*
* CURLAUTH_NONE - No HTTP authentication
* CURLAUTH_BASIC - HTTP Basic authentication (default)
* CURLAUTH_DIGEST - HTTP Digest authentication
* CURLAUTH_NEGOTIATE - HTTP Negotiate (SPNEGO) authentication
* CURLAUTH_GSSNEGOTIATE - Alias for CURLAUTH_NEGOTIATE (deprecated)
* CURLAUTH_NTLM - HTTP NTLM authentication
* CURLAUTH_DIGEST_IE - HTTP Digest authentication with IE flavour
* CURLAUTH_NTLM_WB - HTTP NTLM authentication delegated to winbind helper
* CURLAUTH_ONLY - Use together with a single other type to force no
* authentication or just that single type
* CURLAUTH_ANY - All fine types set
* CURLAUTH_ANYSAFE - All fine types except Basic
*/
#define CURLAUTH_NONE ((unsigned long)0)
#define CURLAUTH_BASIC (((unsigned long)1)<<0)
#define CURLAUTH_DIGEST (((unsigned long)1)<<1)
#define CURLAUTH_NEGOTIATE (((unsigned long)1)<<2)
/* Deprecated since the advent of CURLAUTH_NEGOTIATE */
#define CURLAUTH_GSSNEGOTIATE CURLAUTH_NEGOTIATE
#define CURLAUTH_NTLM (((unsigned long)1)<<3)
#define CURLAUTH_DIGEST_IE (((unsigned long)1)<<4)
#define CURLAUTH_NTLM_WB (((unsigned long)1)<<5)
#define CURLAUTH_ONLY (((unsigned long)1)<<31)
#define CURLAUTH_ANY (~CURLAUTH_DIGEST_IE)
#define CURLAUTH_ANYSAFE (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
#define CURLSSH_AUTH_ANY ~0 /* all types supported by the server */
#define CURLSSH_AUTH_NONE 0 /* none allowed, silly but complete */
#define CURLSSH_AUTH_PUBLICKEY (1<<0) /* public/private key files */
#define CURLSSH_AUTH_PASSWORD (1<<1) /* password */
#define CURLSSH_AUTH_HOST (1<<2) /* host key files */
#define CURLSSH_AUTH_KEYBOARD (1<<3) /* keyboard interactive */
#define CURLSSH_AUTH_AGENT (1<<4) /* agent (ssh-agent, pageant...) */
#define CURLSSH_AUTH_DEFAULT CURLSSH_AUTH_ANY
#define CURLGSSAPI_DELEGATION_NONE 0 /* no delegation (default) */
#define CURLGSSAPI_DELEGATION_POLICY_FLAG (1<<0) /* if permitted by policy */
#define CURLGSSAPI_DELEGATION_FLAG (1<<1) /* delegate always */
#define CURL_ERROR_SIZE 256
enum curl_khtype {
CURLKHTYPE_UNKNOWN,
CURLKHTYPE_RSA1,
CURLKHTYPE_RSA,
CURLKHTYPE_DSS
};
struct curl_khkey {
const char *key; /* points to a zero-terminated string encoded with base64
if len is zero, otherwise to the "raw" data */
size_t len;
enum curl_khtype keytype;
};
/* this is the set of return values expected from the curl_sshkeycallback
callback */
enum curl_khstat {
CURLKHSTAT_FINE_ADD_TO_FILE,
CURLKHSTAT_FINE,
CURLKHSTAT_REJECT, /* reject the connection, return an error */
CURLKHSTAT_DEFER, /* do not accept it, but we can't answer right now so
this causes a CURLE_DEFER error but otherwise the
connection will be left intact etc */
CURLKHSTAT_LAST /* not for use, only a marker for last-in-list */
};
/* this is the set of status codes pass in to the callback */
enum curl_khmatch {
CURLKHMATCH_OK, /* match */
CURLKHMATCH_MISMATCH, /* host found, key mismatch! */
CURLKHMATCH_MISSING, /* no matching host/key found */
CURLKHMATCH_LAST /* not for use, only a marker for last-in-list */
};
typedef int
(*curl_sshkeycallback) (CURL *easy, /* easy handle */
const struct curl_khkey *knownkey, /* known */
const struct curl_khkey *foundkey, /* found */
enum curl_khmatch, /* libcurl's view on the keys */
void *clientp); /* custom pointer passed from app */
/* parameter for the CURLOPT_USE_SSL option */
typedef enum {
CURLUSESSL_NONE, /* do not attempt to use SSL */
CURLUSESSL_TRY, /* try using SSL, proceed anyway otherwise */
CURLUSESSL_CONTROL, /* SSL for the control connection or fail */
CURLUSESSL_ALL, /* SSL for all communication or fail */
CURLUSESSL_LAST /* not an option, never use */
} curl_usessl;
/* Definition of bits for the CURLOPT_SSL_OPTIONS argument: */
/* - ALLOW_BEAST tells libcurl to allow the BEAST SSL vulnerability in the
name of improving interoperability with older servers. Some SSL libraries
have introduced work-arounds for this flaw but those work-arounds sometimes
make the SSL communication fail. To regain functionality with those broken
servers, a user can this way allow the vulnerability back. */
#define CURLSSLOPT_ALLOW_BEAST (1<<0)
/* - NO_REVOKE tells libcurl to disable certificate revocation checks for those
SSL backends where such behavior is present. */
#define CURLSSLOPT_NO_REVOKE (1<<1)
#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
the obsolete stuff removed! */
/* Backwards compatibility with older names */
/* These are scheduled to disappear by 2009 */
#define CURLFTPSSL_NONE CURLUSESSL_NONE
#define CURLFTPSSL_TRY CURLUSESSL_TRY
#define CURLFTPSSL_CONTROL CURLUSESSL_CONTROL
#define CURLFTPSSL_ALL CURLUSESSL_ALL
#define CURLFTPSSL_LAST CURLUSESSL_LAST
#define curl_ftpssl curl_usessl
#endif /*!CURL_NO_OLDIES*/
/* parameter for the CURLOPT_FTP_SSL_CCC option */
typedef enum {
CURLFTPSSL_CCC_NONE, /* do not send CCC */
CURLFTPSSL_CCC_PASSIVE, /* Let the server initiate the shutdown */
CURLFTPSSL_CCC_ACTIVE, /* Initiate the shutdown */
CURLFTPSSL_CCC_LAST /* not an option, never use */
} curl_ftpccc;
/* parameter for the CURLOPT_FTPSSLAUTH option */
typedef enum {
CURLFTPAUTH_DEFAULT, /* let libcurl decide */
CURLFTPAUTH_SSL, /* use "AUTH SSL" */
CURLFTPAUTH_TLS, /* use "AUTH TLS" */
CURLFTPAUTH_LAST /* not an option, never use */
} curl_ftpauth;
/* parameter for the CURLOPT_FTP_CREATE_MISSING_DIRS option */
typedef enum {
CURLFTP_CREATE_DIR_NONE, /* do NOT create missing dirs! */
CURLFTP_CREATE_DIR, /* (FTP/SFTP) if CWD fails, try MKD and then CWD
again if MKD succeeded, for SFTP this does
similar magic */
CURLFTP_CREATE_DIR_RETRY, /* (FTP only) if CWD fails, try MKD and then CWD
again even if MKD failed! */
CURLFTP_CREATE_DIR_LAST /* not an option, never use */
} curl_ftpcreatedir;
/* parameter for the CURLOPT_FTP_FILEMETHOD option */
typedef enum {
CURLFTPMETHOD_DEFAULT, /* let libcurl pick */
CURLFTPMETHOD_MULTICWD, /* single CWD operation for each path part */
CURLFTPMETHOD_NOCWD, /* no CWD at all */
CURLFTPMETHOD_SINGLECWD, /* one CWD to full dir, then work on file */
CURLFTPMETHOD_LAST /* not an option, never use */
} curl_ftpmethod;
/* bitmask defines for CURLOPT_HEADEROPT */
#define CURLHEADER_UNIFIED 0
#define CURLHEADER_SEPARATE (1<<0)
/* CURLPROTO_ defines are for the CURLOPT_*PROTOCOLS options */
#define CURLPROTO_HTTP (1<<0)
#define CURLPROTO_HTTPS (1<<1)
#define CURLPROTO_FTP (1<<2)
#define CURLPROTO_FTPS (1<<3)
#define CURLPROTO_SCP (1<<4)
#define CURLPROTO_SFTP (1<<5)
#define CURLPROTO_TELNET (1<<6)
#define CURLPROTO_LDAP (1<<7)
#define CURLPROTO_LDAPS (1<<8)
#define CURLPROTO_DICT (1<<9)
#define CURLPROTO_FILE (1<<10)
#define CURLPROTO_TFTP (1<<11)
#define CURLPROTO_IMAP (1<<12)
#define CURLPROTO_IMAPS (1<<13)
#define CURLPROTO_POP3 (1<<14)
#define CURLPROTO_POP3S (1<<15)
#define CURLPROTO_SMTP (1<<16)
#define CURLPROTO_SMTPS (1<<17)
#define CURLPROTO_RTSP (1<<18)
#define CURLPROTO_RTMP (1<<19)
#define CURLPROTO_RTMPT (1<<20)
#define CURLPROTO_RTMPE (1<<21)
#define CURLPROTO_RTMPTE (1<<22)
#define CURLPROTO_RTMPS (1<<23)
#define CURLPROTO_RTMPTS (1<<24)
#define CURLPROTO_GOPHER (1<<25)
#define CURLPROTO_SMB (1<<26)
#define CURLPROTO_SMBS (1<<27)
#define CURLPROTO_ALL (~0) /* enable everything */
/* long may be 32 or 64 bits, but we should never depend on anything else
but 32 */
#define CURLOPTTYPE_LONG 0
#define CURLOPTTYPE_OBJECTPOINT 10000
#define CURLOPTTYPE_STRINGPOINT 10000
#define CURLOPTTYPE_FUNCTIONPOINT 20000
#define CURLOPTTYPE_OFF_T 30000
/* *STRINGPOINT is an alias for OBJECTPOINT to allow tools to extract the
string options from the header file */
/* name is uppercase CURLOPT_<name>,
type is one of the defined CURLOPTTYPE_<type>
number is unique identifier */
#ifdef CINIT
#undef CINIT
#endif
#ifdef CURL_ISOCPP
#define CINIT(na,t,nu) CURLOPT_ ## na = CURLOPTTYPE_ ## t + nu
#else
/* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
#define LONG CURLOPTTYPE_LONG
#define OBJECTPOINT CURLOPTTYPE_OBJECTPOINT
#define STRINGPOINT CURLOPTTYPE_OBJECTPOINT
#define FUNCTIONPOINT CURLOPTTYPE_FUNCTIONPOINT
#define OFF_T CURLOPTTYPE_OFF_T
#define CINIT(name,type,number) CURLOPT_/**/name = type + number
#endif
/*
* This macro-mania below setups the CURLOPT_[what] enum, to be used with
* curl_easy_setopt(). The first argument in the CINIT() macro is the [what]
* word.
*/
typedef enum {
/* This is the FILE * or void * the regular output should be written to. */
CINIT(WRITEDATA, OBJECTPOINT, 1),
/* The full URL to get/put */
CINIT(URL, STRINGPOINT, 2),
/* Port number to connect to, if other than default. */
CINIT(PORT, LONG, 3),
/* Name of proxy to use. */
CINIT(PROXY, STRINGPOINT, 4),
/* "user:password;options" to use when fetching. */
CINIT(USERPWD, STRINGPOINT, 5),
/* "user:password" to use with proxy. */
CINIT(PROXYUSERPWD, STRINGPOINT, 6),
/* Range to get, specified as an ASCII string. */
CINIT(RANGE, STRINGPOINT, 7),
/* not used */
/* Specified file stream to upload from (use as input): */
CINIT(READDATA, OBJECTPOINT, 9),
/* Buffer to receive error messages in, must be at least CURL_ERROR_SIZE
* bytes big. If this is not used, error messages go to stderr instead: */
CINIT(ERRORBUFFER, OBJECTPOINT, 10),
/* Function that will be called to store the output (instead of fwrite). The
* parameters will use fwrite() syntax, make sure to follow them. */
CINIT(WRITEFUNCTION, FUNCTIONPOINT, 11),
/* Function that will be called to read the input (instead of fread). The
* parameters will use fread() syntax, make sure to follow them. */
CINIT(READFUNCTION, FUNCTIONPOINT, 12),
/* Time-out the read operation after this amount of seconds */
CINIT(TIMEOUT, LONG, 13),
/* If the CURLOPT_INFILE is used, this can be used to inform libcurl about
* how large the file being sent really is. That allows better error
* checking and better verifies that the upload was successful. -1 means
* unknown size.
*
* For large file support, there is also a _LARGE version of the key
* which takes an off_t type, allowing platforms with larger off_t
* sizes to handle larger files. See below for INFILESIZE_LARGE.
*/
CINIT(INFILESIZE, LONG, 14),
/* POST static input fields. */
CINIT(POSTFIELDS, OBJECTPOINT, 15),
/* Set the referrer page (needed by some CGIs) */
CINIT(REFERER, STRINGPOINT, 16),
/* Set the FTP PORT string (interface name, named or numerical IP address)
Use i.e '-' to use default address. */
CINIT(FTPPORT, STRINGPOINT, 17),
/* Set the User-Agent string (examined by some CGIs) */
CINIT(USERAGENT, STRINGPOINT, 18),
/* If the download receives less than "low speed limit" bytes/second
* during "low speed time" seconds, the operations is aborted.
* You could i.e if you have a pretty high speed connection, abort if
* it is less than 2000 bytes/sec during 20 seconds.
*/
/* Set the "low speed limit" */
CINIT(LOW_SPEED_LIMIT, LONG, 19),
/* Set the "low speed time" */
CINIT(LOW_SPEED_TIME, LONG, 20),
/* Set the continuation offset.
*
* Note there is also a _LARGE version of this key which uses
* off_t types, allowing for large file offsets on platforms which
* use larger-than-32-bit off_t's. Look below for RESUME_FROM_LARGE.
*/
CINIT(RESUME_FROM, LONG, 21),
/* Set cookie in request: */
CINIT(COOKIE, STRINGPOINT, 22),
/* This points to a linked list of headers, struct curl_slist kind. This
list is also used for RTSP (in spite of its name) */
CINIT(HTTPHEADER, OBJECTPOINT, 23),
/* This points to a linked list of post entries, struct curl_httppost */
CINIT(HTTPPOST, OBJECTPOINT, 24),
/* name of the file keeping your private SSL-certificate */
CINIT(SSLCERT, STRINGPOINT, 25),
/* password for the SSL or SSH private key */
CINIT(KEYPASSWD, STRINGPOINT, 26),
/* send TYPE parameter? */
CINIT(CRLF, LONG, 27),
/* send linked-list of QUOTE commands */
CINIT(QUOTE, OBJECTPOINT, 28),
/* send FILE * or void * to store headers to, if you use a callback it
is simply passed to the callback unmodified */
CINIT(HEADERDATA, OBJECTPOINT, 29),
/* point to a file to read the initial cookies from, also enables
"cookie awareness" */
CINIT(COOKIEFILE, STRINGPOINT, 31),
/* What version to specifically try to use.
See CURL_SSLVERSION defines below. */
CINIT(SSLVERSION, LONG, 32),
/* What kind of HTTP time condition to use, see defines */
CINIT(TIMECONDITION, LONG, 33),
/* Time to use with the above condition. Specified in number of seconds
since 1 Jan 1970 */
CINIT(TIMEVALUE, LONG, 34),
/* 35 = OBSOLETE */
/* Custom request, for customizing the get command like
HTTP: DELETE, TRACE and others
FTP: to use a different list command
*/
CINIT(CUSTOMREQUEST, STRINGPOINT, 36),
/* FILE handle to use instead of stderr */
CINIT(STDERR, OBJECTPOINT, 37),