1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at http://curl.haxx.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ***************************************************************************/
22 #include "tool_setup.h"
23
24 #ifdef HAVE_FCNTL_H
25 # include <fcntl.h>
26 #endif
27
28 #ifdef HAVE_UTIME_H
29 # include <utime.h>
30 #elif defined(HAVE_SYS_UTIME_H)
31 # include <sys/utime.h>
32 #endif
33
34 #ifdef HAVE_LOCALE_H
35 # include <locale.h>
36 #endif
37
38 #ifdef HAVE_NETINET_TCP_H
39 # include <netinet/tcp.h>
40 #endif
41
42 #ifdef __VMS
43 # include <fabdef.h>
44 #endif
45
46 #include "rawstr.h"
47
48 #define ENABLE_CURLX_PRINTF
49 /* use our own printf() functions */
50 #include "curlx.h"
51
52 #include "tool_binmode.h"
53 #include "tool_cfgable.h"
54 #include "tool_cb_dbg.h"
55 #include "tool_cb_hdr.h"
56 #include "tool_cb_prg.h"
57 #include "tool_cb_rea.h"
58 #include "tool_cb_see.h"
59 #include "tool_cb_wrt.h"
60 #include "tool_dirhie.h"
61 #include "tool_doswin.h"
62 #include "tool_easysrc.h"
63 #include "tool_getparam.h"
64 #include "tool_helpers.h"
65 #include "tool_homedir.h"
66 #include "tool_libinfo.h"
67 #include "tool_main.h"
68 #include "tool_metalink.h"
69 #include "tool_msgs.h"
70 #include "tool_operate.h"
71 #include "tool_operhlp.h"
72 #include "tool_paramhlp.h"
73 #include "tool_parsecfg.h"
74 #include "tool_setopt.h"
75 #include "tool_sleep.h"
76 #include "tool_urlglob.h"
77 #include "tool_util.h"
78 #include "tool_writeenv.h"
79 #include "tool_writeout.h"
80 #include "tool_xattr.h"
81 #include "tool_vms.h"
82 #include "tool_help.h"
83 #include "tool_hugehelp.h"
84
85 #include "memdebug.h" /* keep this as LAST include */
86
87 #ifdef CURLDEBUG
88 /* libcurl's debug builds provide an extra function */
89 CURLcode curl_easy_perform_ev(CURL *easy);
90 #endif
91
92 #define CURLseparator "--_curl_--"
93
94 #ifndef O_BINARY
95 /* since O_BINARY as used in bitmasks, setting it to zero makes it usable in
96 source code but yet it doesn't ruin anything */
97 # define O_BINARY 0
98 #endif
99
100 #define CURL_CA_CERT_ERRORMSG1 \
101 "More details here: http://curl.haxx.se/docs/sslcerts.html\n\n" \
102 "curl performs SSL certificate verification by default, " \
103 "using a \"bundle\"\n" \
104 " of Certificate Authority (CA) public keys (CA certs). If the default\n" \
105 " bundle file isn't adequate, you can specify an alternate file\n" \
106 " using the --cacert option.\n"
107
108 #define CURL_CA_CERT_ERRORMSG2 \
109 "If this HTTPS server uses a certificate signed by a CA represented in\n" \
110 " the bundle, the certificate verification probably failed due to a\n" \
111 " problem with the certificate (it might be expired, or the name might\n" \
112 " not match the domain name in the URL).\n" \
113 "If you'd like to turn off curl's verification of the certificate, use\n" \
114 " the -k (or --insecure) option.\n"
115
is_fatal_error(CURLcode code)116 static bool is_fatal_error(CURLcode code)
117 {
118 switch(code) {
119 /* TODO: Should CURLE_SSL_CACERT be included as critical error ? */
120 case CURLE_FAILED_INIT:
121 case CURLE_OUT_OF_MEMORY:
122 case CURLE_UNKNOWN_OPTION:
123 case CURLE_FUNCTION_NOT_FOUND:
124 case CURLE_BAD_FUNCTION_ARGUMENT:
125 /* critical error */
126 return TRUE;
127 default:
128 break;
129 }
130
131 /* no error or not critical */
132 return FALSE;
133 }
134
135 #ifdef __VMS
136 /*
137 * get_vms_file_size does what it takes to get the real size of the file
138 *
139 * For fixed files, find out the size of the EOF block and adjust.
140 *
141 * For all others, have to read the entire file in, discarding the contents.
142 * Most posted text files will be small, and binary files like zlib archives
143 * and CD/DVD images should be either a STREAM_LF format or a fixed format.
144 *
145 */
vms_realfilesize(const char * name,const struct_stat * stat_buf)146 static curl_off_t vms_realfilesize(const char * name,
147 const struct_stat * stat_buf)
148 {
149 char buffer[8192];
150 curl_off_t count;
151 int ret_stat;
152 FILE * file;
153
154 file = fopen(name, "r"); /* VMS */
155 if(file == NULL) {
156 return 0;
157 }
158 count = 0;
159 ret_stat = 1;
160 while(ret_stat > 0) {
161 ret_stat = fread(buffer, 1, sizeof(buffer), file);
162 if(ret_stat != 0)
163 count += ret_stat;
164 }
165 fclose(file);
166
167 return count;
168 }
169
170 /*
171 *
172 * VmsSpecialSize checks to see if the stat st_size can be trusted and
173 * if not to call a routine to get the correct size.
174 *
175 */
VmsSpecialSize(const char * name,const struct_stat * stat_buf)176 static curl_off_t VmsSpecialSize(const char * name,
177 const struct_stat * stat_buf)
178 {
179 switch(stat_buf->st_fab_rfm) {
180 case FAB$C_VAR:
181 case FAB$C_VFC:
182 return vms_realfilesize(name, stat_buf);
183 break;
184 default:
185 return stat_buf->st_size;
186 }
187 }
188 #endif /* __VMS */
189
operate_do(struct GlobalConfig * global,struct OperationConfig * config)190 static CURLcode operate_do(struct GlobalConfig *global,
191 struct OperationConfig *config)
192 {
193 char errorbuffer[CURL_ERROR_SIZE];
194 struct ProgressData progressbar;
195 struct getout *urlnode;
196
197 struct HdrCbData hdrcbdata;
198 struct OutStruct heads;
199
200 metalinkfile *mlfile_last = NULL;
201
202 CURL *curl = config->easy;
203 char *httpgetfields = NULL;
204
205 CURLcode result = CURLE_OK;
206 unsigned long li;
207
208 /* Save the values of noprogress and isatty to restore them later on */
209 bool orig_noprogress = global->noprogress;
210 bool orig_isatty = global->isatty;
211
212 errorbuffer[0] = '\0';
213
214 /* default headers output stream is stdout */
215 memset(&hdrcbdata, 0, sizeof(struct HdrCbData));
216 memset(&heads, 0, sizeof(struct OutStruct));
217 heads.stream = stdout;
218 heads.config = config;
219
220 /*
221 ** Beyond this point no return'ing from this function allowed.
222 ** Jump to label 'quit_curl' in order to abandon this function
223 ** from outside of nested loops further down below.
224 */
225
226 /* Check we have a url */
227 if(!config->url_list || !config->url_list->url) {
228 helpf(global->errors, "no URL specified!\n");
229 result = CURLE_FAILED_INIT;
230 goto quit_curl;
231 }
232
233 /* On WIN32 we can't set the path to curl-ca-bundle.crt
234 * at compile time. So we look here for the file in two ways:
235 * 1: look at the environment variable CURL_CA_BUNDLE for a path
236 * 2: if #1 isn't found, use the windows API function SearchPath()
237 * to find it along the app's path (includes app's dir and CWD)
238 *
239 * We support the environment variable thing for non-Windows platforms
240 * too. Just for the sake of it.
241 */
242 if(!config->cacert &&
243 !config->capath &&
244 !config->insecure_ok) {
245 char *env;
246 env = curlx_getenv("CURL_CA_BUNDLE");
247 if(env) {
248 config->cacert = strdup(env);
249 if(!config->cacert) {
250 curl_free(env);
251 helpf(global->errors, "out of memory\n");
252 result = CURLE_OUT_OF_MEMORY;
253 goto quit_curl;
254 }
255 }
256 else {
257 env = curlx_getenv("SSL_CERT_DIR");
258 if(env) {
259 config->capath = strdup(env);
260 if(!config->capath) {
261 curl_free(env);
262 helpf(global->errors, "out of memory\n");
263 result = CURLE_OUT_OF_MEMORY;
264 goto quit_curl;
265 }
266 }
267 else {
268 env = curlx_getenv("SSL_CERT_FILE");
269 if(env) {
270 config->cacert = strdup(env);
271 if(!config->cacert) {
272 curl_free(env);
273 helpf(global->errors, "out of memory\n");
274 result = CURLE_OUT_OF_MEMORY;
275 goto quit_curl;
276 }
277 }
278 }
279 }
280
281 if(env)
282 curl_free(env);
283 #ifdef WIN32
284 else {
285 result = FindWin32CACert(config, "curl-ca-bundle.crt");
286 if(result)
287 goto quit_curl;
288 }
289 #endif
290 }
291
292 if(config->postfields) {
293 if(config->use_httpget) {
294 /* Use the postfields data for a http get */
295 httpgetfields = strdup(config->postfields);
296 Curl_safefree(config->postfields);
297 if(!httpgetfields) {
298 helpf(global->errors, "out of memory\n");
299 result = CURLE_OUT_OF_MEMORY;
300 goto quit_curl;
301 }
302 if(SetHTTPrequest(config,
303 (config->no_body?HTTPREQ_HEAD:HTTPREQ_GET),
304 &config->httpreq)) {
305 result = CURLE_FAILED_INIT;
306 goto quit_curl;
307 }
308 }
309 else {
310 if(SetHTTPrequest(config, HTTPREQ_SIMPLEPOST, &config->httpreq)) {
311 result = CURLE_FAILED_INIT;
312 goto quit_curl;
313 }
314 }
315 }
316
317 /* Single header file for all URLs */
318 if(config->headerfile) {
319 /* open file for output: */
320 if(!curlx_strequal(config->headerfile, "-")) {
321 FILE *newfile = fopen(config->headerfile, "wb");
322 if(!newfile) {
323 warnf(config->global, "Failed to open %s\n", config->headerfile);
324 result = CURLE_WRITE_ERROR;
325 goto quit_curl;
326 }
327 else {
328 heads.filename = config->headerfile;
329 heads.s_isreg = TRUE;
330 heads.fopened = TRUE;
331 heads.stream = newfile;
332 }
333 }
334 else {
335 /* always use binary mode for protocol header output */
336 set_binmode(heads.stream);
337 }
338 }
339
340 /*
341 ** Nested loops start here.
342 */
343
344 /* loop through the list of given URLs */
345
346 for(urlnode = config->url_list; urlnode; urlnode = urlnode->next) {
347
348 unsigned long up; /* upload file counter within a single upload glob */
349 char *infiles; /* might be a glob pattern */
350 char *outfiles;
351 unsigned long infilenum;
352 URLGlob *inglob;
353
354 int metalink = 0; /* nonzero for metalink download. */
355 metalinkfile *mlfile;
356 metalink_resource *mlres;
357
358 outfiles = NULL;
359 infilenum = 1;
360 inglob = NULL;
361
362 if(urlnode->flags & GETOUT_METALINK) {
363 metalink = 1;
364 if(mlfile_last == NULL) {
365 mlfile_last = config->metalinkfile_list;
366 }
367 mlfile = mlfile_last;
368 mlfile_last = mlfile_last->next;
369 mlres = mlfile->resource;
370 }
371 else {
372 mlfile = NULL;
373 mlres = NULL;
374 }
375
376 /* urlnode->url is the full URL (it might be NULL) */
377
378 if(!urlnode->url) {
379 /* This node has no URL. Free node data without destroying the
380 node itself nor modifying next pointer and continue to next */
381 Curl_safefree(urlnode->outfile);
382 Curl_safefree(urlnode->infile);
383 urlnode->flags = 0;
384 continue; /* next URL please */
385 }
386
387 /* save outfile pattern before expansion */
388 if(urlnode->outfile) {
389 outfiles = strdup(urlnode->outfile);
390 if(!outfiles) {
391 helpf(global->errors, "out of memory\n");
392 result = CURLE_OUT_OF_MEMORY;
393 break;
394 }
395 }
396
397 infiles = urlnode->infile;
398
399 if(!config->globoff && infiles) {
400 /* Unless explicitly shut off */
401 result = glob_url(&inglob, infiles, &infilenum,
402 global->showerror?global->errors:NULL);
403 if(result) {
404 Curl_safefree(outfiles);
405 break;
406 }
407 }
408
409 /* Here's the loop for uploading multiple files within the same
410 single globbed string. If no upload, we enter the loop once anyway. */
411 for(up = 0 ; up < infilenum; up++) {
412
413 char *uploadfile; /* a single file, never a glob */
414 int separator;
415 URLGlob *urls;
416 unsigned long urlnum;
417
418 uploadfile = NULL;
419 urls = NULL;
420 urlnum = 0;
421
422 if(!up && !infiles)
423 Curl_nop_stmt;
424 else {
425 if(inglob) {
426 result = glob_next_url(&uploadfile, inglob);
427 if(result == CURLE_OUT_OF_MEMORY)
428 helpf(global->errors, "out of memory\n");
429 }
430 else if(!up) {
431 uploadfile = strdup(infiles);
432 if(!uploadfile) {
433 helpf(global->errors, "out of memory\n");
434 result = CURLE_OUT_OF_MEMORY;
435 }
436 }
437 else
438 uploadfile = NULL;
439 if(!uploadfile)
440 break;
441 }
442
443 if(metalink) {
444 /* For Metalink download, we don't use glob. Instead we use
445 the number of resources as urlnum. */
446 urlnum = count_next_metalink_resource(mlfile);
447 }
448 else
449 if(!config->globoff) {
450 /* Unless explicitly shut off, we expand '{...}' and '[...]'
451 expressions and return total number of URLs in pattern set */
452 result = glob_url(&urls, urlnode->url, &urlnum,
453 global->showerror?global->errors:NULL);
454 if(result) {
455 Curl_safefree(uploadfile);
456 break;
457 }
458 }
459 else
460 urlnum = 1; /* without globbing, this is a single URL */
461
462 /* if multiple files extracted to stdout, insert separators! */
463 separator= ((!outfiles || curlx_strequal(outfiles, "-")) && urlnum > 1);
464
465 /* Here's looping around each globbed URL */
466 for(li = 0 ; li < urlnum; li++) {
467
468 int infd;
469 bool infdopen;
470 char *outfile;
471 struct OutStruct outs;
472 struct InStruct input;
473 struct timeval retrystart;
474 curl_off_t uploadfilesize;
475 long retry_numretries;
476 long retry_sleep_default;
477 long retry_sleep;
478 char *this_url = NULL;
479 int metalink_next_res = 0;
480
481 outfile = NULL;
482 infdopen = FALSE;
483 infd = STDIN_FILENO;
484 uploadfilesize = -1; /* -1 means unknown */
485
486 /* default output stream is stdout */
487 memset(&outs, 0, sizeof(struct OutStruct));
488 outs.stream = stdout;
489 outs.config = config;
490
491 if(metalink) {
492 /* For Metalink download, use name in Metalink file as
493 filename. */
494 outfile = strdup(mlfile->filename);
495 if(!outfile) {
496 result = CURLE_OUT_OF_MEMORY;
497 goto show_error;
498 }
499 this_url = strdup(mlres->url);
500 if(!this_url) {
501 result = CURLE_OUT_OF_MEMORY;
502 goto show_error;
503 }
504 }
505 else {
506 if(urls) {
507 result = glob_next_url(&this_url, urls);
508 if(result)
509 goto show_error;
510 }
511 else if(!li) {
512 this_url = strdup(urlnode->url);
513 if(!this_url) {
514 result = CURLE_OUT_OF_MEMORY;
515 goto show_error;
516 }
517 }
518 else
519 this_url = NULL;
520 if(!this_url)
521 break;
522
523 if(outfiles) {
524 outfile = strdup(outfiles);
525 if(!outfile) {
526 result = CURLE_OUT_OF_MEMORY;
527 goto show_error;
528 }
529 }
530 }
531
532 if(((urlnode->flags&GETOUT_USEREMOTE) ||
533 (outfile && !curlx_strequal("-", outfile))) &&
534 (metalink || !config->use_metalink)) {
535
536 /*
537 * We have specified a file name to store the result in, or we have
538 * decided we want to use the remote file name.
539 */
540
541 if(!outfile) {
542 /* extract the file name from the URL */
543 result = get_url_file_name(&outfile, this_url);
544 if(result)
545 goto show_error;
546 if(!*outfile && !config->content_disposition) {
547 helpf(global->errors, "Remote file name has no length!\n");
548 result = CURLE_WRITE_ERROR;
549 goto quit_urls;
550 }
551 #if defined(MSDOS) || defined(WIN32)
552 /* For DOS and WIN32, we do some major replacing of
553 bad characters in the file name before using it */
554 outfile = sanitize_dos_name(outfile);
555 if(!outfile) {
556 result = CURLE_OUT_OF_MEMORY;
557 goto show_error;
558 }
559 #endif /* MSDOS || WIN32 */
560 }
561 else if(urls) {
562 /* fill '#1' ... '#9' terms from URL pattern */
563 char *storefile = outfile;
564 result = glob_match_url(&outfile, storefile, urls);
565 Curl_safefree(storefile);
566 if(result) {
567 /* bad globbing */
568 warnf(config->global, "bad output glob!\n");
569 goto quit_urls;
570 }
571 }
572
573 /* Create the directory hierarchy, if not pre-existent to a multiple
574 file output call */
575
576 if(config->create_dirs || metalink) {
577 result = create_dir_hierarchy(outfile, global->errors);
578 /* create_dir_hierarchy shows error upon CURLE_WRITE_ERROR */
579 if(result == CURLE_WRITE_ERROR)
580 goto quit_urls;
581 if(result) {
582 goto show_error;
583 }
584 }
585
586 if((urlnode->flags & GETOUT_USEREMOTE)
587 && config->content_disposition) {
588 /* Our header callback MIGHT set the filename */
589 DEBUGASSERT(!outs.filename);
590 }
591
592 if(config->resume_from_current) {
593 /* We're told to continue from where we are now. Get the size
594 of the file as it is now and open it for append instead */
595 struct_stat fileinfo;
596 /* VMS -- Danger, the filesize is only valid for stream files */
597 if(0 == stat(outfile, &fileinfo))
598 /* set offset to current file size: */
599 config->resume_from = fileinfo.st_size;
600 else
601 /* let offset be 0 */
602 config->resume_from = 0;
603 }
604
605 if(config->resume_from) {
606 #ifdef __VMS
607 /* open file for output, forcing VMS output format into stream
608 mode which is needed for stat() call above to always work. */
609 FILE *file = fopen(outfile, config->resume_from?"ab":"wb",
610 "ctx=stm", "rfm=stmlf", "rat=cr", "mrs=0");
611 #else
612 /* open file for output: */
613 FILE *file = fopen(outfile, config->resume_from?"ab":"wb");
614 #endif
615 if(!file) {
616 helpf(global->errors, "Can't open '%s'!\n", outfile);
617 result = CURLE_WRITE_ERROR;
618 goto quit_urls;
619 }
620 outs.fopened = TRUE;
621 outs.stream = file;
622 outs.init = config->resume_from;
623 }
624 else {
625 outs.stream = NULL; /* open when needed */
626 }
627 outs.filename = outfile;
628 outs.s_isreg = TRUE;
629 }
630
631 if(uploadfile && !stdin_upload(uploadfile)) {
632 /*
633 * We have specified a file to upload and it isn't "-".
634 */
635 struct_stat fileinfo;
636
637 this_url = add_file_name_to_url(curl, this_url, uploadfile);
638 if(!this_url) {
639 result = CURLE_OUT_OF_MEMORY;
640 goto show_error;
641 }
642 /* VMS Note:
643 *
644 * Reading binary from files can be a problem... Only FIXED, VAR
645 * etc WITHOUT implied CC will work Others need a \n appended to a
646 * line
647 *
648 * - Stat gives a size but this is UNRELIABLE in VMS As a f.e. a
649 * fixed file with implied CC needs to have a byte added for every
650 * record processed, this can by derived from Filesize & recordsize
651 * for VARiable record files the records need to be counted! for
652 * every record add 1 for linefeed and subtract 2 for the record
653 * header for VARIABLE header files only the bare record data needs
654 * to be considered with one appended if implied CC
655 */
656 #ifdef __VMS
657 /* Calculate the real upload site for VMS */
658 infd = -1;
659 if(stat(uploadfile, &fileinfo) == 0) {
660 fileinfo.st_size = VmsSpecialSize(uploadfile, &fileinfo);
661 switch (fileinfo.st_fab_rfm) {
662 case FAB$C_VAR:
663 case FAB$C_VFC:
664 case FAB$C_STMCR:
665 infd = open(uploadfile, O_RDONLY | O_BINARY);
666 break;
667 default:
668 infd = open(uploadfile, O_RDONLY | O_BINARY,
669 "rfm=stmlf", "ctx=stm");
670 }
671 }
672 if(infd == -1)
673 #else
674 infd = open(uploadfile, O_RDONLY | O_BINARY);
675 if((infd == -1) || fstat(infd, &fileinfo))
676 #endif
677 {
678 helpf(global->errors, "Can't open '%s'!\n", uploadfile);
679 if(infd != -1) {
680 close(infd);
681 infd = STDIN_FILENO;
682 }
683 result = CURLE_READ_ERROR;
684 goto quit_urls;
685 }
686 infdopen = TRUE;
687
688 /* we ignore file size for char/block devices, sockets, etc. */
689 if(S_ISREG(fileinfo.st_mode))
690 uploadfilesize = fileinfo.st_size;
691
692 }
693 else if(uploadfile && stdin_upload(uploadfile)) {
694 /* count to see if there are more than one auth bit set
695 in the authtype field */
696 int authbits = 0;
697 int bitcheck = 0;
698 while(bitcheck < 32) {
699 if(config->authtype & (1UL << bitcheck++)) {
700 authbits++;
701 if(authbits > 1) {
702 /* more than one, we're done! */
703 break;
704 }
705 }
706 }
707
708 /*
709 * If the user has also selected --anyauth or --proxy-anyauth
710 * we should warn him/her.
711 */
712 if(config->proxyanyauth || (authbits>1)) {
713 warnf(config->global,
714 "Using --anyauth or --proxy-anyauth with upload from stdin"
715 " involves a big risk of it not working. Use a temporary"
716 " file or a fixed auth type instead!\n");
717 }
718
719 DEBUGASSERT(infdopen == FALSE);
720 DEBUGASSERT(infd == STDIN_FILENO);
721
722 set_binmode(stdin);
723 if(curlx_strequal(uploadfile, ".")) {
724 if(curlx_nonblock((curl_socket_t)infd, TRUE) < 0)
725 warnf(config->global,
726 "fcntl failed on fd=%d: %s\n", infd, strerror(errno));
727 }
728 }
729
730 if(uploadfile && config->resume_from_current)
731 config->resume_from = -1; /* -1 will then force get-it-yourself */
732
733 if(output_expected(this_url, uploadfile) && outs.stream &&
734 isatty(fileno(outs.stream)))
735 /* we send the output to a tty, therefore we switch off the progress
736 meter */
737 global->noprogress = global->isatty = TRUE;
738 else {
739 /* progress meter is per download, so restore config
740 values */
741 global->noprogress = orig_noprogress;
742 global->isatty = orig_isatty;
743 }
744
745 if(urlnum > 1 && !global->mute) {
746 fprintf(global->errors, "\n[%lu/%lu]: %s --> %s\n",
747 li+1, urlnum, this_url, outfile ? outfile : "<stdout>");
748 if(separator)
749 printf("%s%s\n", CURLseparator, this_url);
750 }
751 if(httpgetfields) {
752 char *urlbuffer;
753 /* Find out whether the url contains a file name */
754 const char *pc = strstr(this_url, "://");
755 char sep = '?';
756 if(pc)
757 pc += 3;
758 else
759 pc = this_url;
760
761 pc = strrchr(pc, '/'); /* check for a slash */
762
763 if(pc) {
764 /* there is a slash present in the URL */
765
766 if(strchr(pc, '?'))
767 /* Ouch, there's already a question mark in the URL string, we
768 then append the data with an ampersand separator instead! */
769 sep='&';
770 }
771 /*
772 * Then append ? followed by the get fields to the url.
773 */
774 if(pc)
775 urlbuffer = aprintf("%s%c%s", this_url, sep, httpgetfields);
776 else
777 /* Append / before the ? to create a well-formed url
778 if the url contains a hostname only
779 */
780 urlbuffer = aprintf("%s/?%s", this_url, httpgetfields);
781
782 if(!urlbuffer) {
783 result = CURLE_OUT_OF_MEMORY;
784 goto show_error;
785 }
786
787 Curl_safefree(this_url); /* free previous URL */
788 this_url = urlbuffer; /* use our new URL instead! */
789 }
790
791 if(!global->errors)
792 global->errors = stderr;
793
794 if((!outfile || !strcmp(outfile, "-")) && !config->use_ascii) {
795 /* We get the output to stdout and we have not got the ASCII/text
796 flag, then set stdout to be binary */
797 set_binmode(stdout);
798 }
799
800 if(config->tcp_nodelay)
801 my_setopt(curl, CURLOPT_TCP_NODELAY, 1L);
802
803 /* where to store */
804 my_setopt(curl, CURLOPT_WRITEDATA, &outs);
805 if(metalink || !config->use_metalink)
806 /* what call to write */
807 my_setopt(curl, CURLOPT_WRITEFUNCTION, tool_write_cb);
808 #ifdef USE_METALINK
809 else
810 /* Set Metalink specific write callback function to parse
811 XML data progressively. */
812 my_setopt(curl, CURLOPT_WRITEFUNCTION, metalink_write_cb);
813 #endif /* USE_METALINK */
814
815 /* for uploads */
816 input.fd = infd;
817 input.config = config;
818 /* Note that if CURLOPT_READFUNCTION is fread (the default), then
819 * lib/telnet.c will Curl_poll() on the input file descriptor
820 * rather then calling the READFUNCTION at regular intervals.
821 * The circumstances in which it is preferable to enable this
822 * behaviour, by omitting to set the READFUNCTION & READDATA options,
823 * have not been determined.
824 */
825 my_setopt(curl, CURLOPT_READDATA, &input);
826 /* what call to read */
827 my_setopt(curl, CURLOPT_READFUNCTION, tool_read_cb);
828
829 /* in 7.18.0, the CURLOPT_SEEKFUNCTION/DATA pair is taking over what
830 CURLOPT_IOCTLFUNCTION/DATA pair previously provided for seeking */
831 my_setopt(curl, CURLOPT_SEEKDATA, &input);
832 my_setopt(curl, CURLOPT_SEEKFUNCTION, tool_seek_cb);
833
834 if(config->recvpersecond)
835 /* tell libcurl to use a smaller sized buffer as it allows us to
836 make better sleeps! 7.9.9 stuff! */
837 my_setopt(curl, CURLOPT_BUFFERSIZE, (long)config->recvpersecond);
838
839 /* size of uploaded file: */
840 if(uploadfilesize != -1)
841 my_setopt(curl, CURLOPT_INFILESIZE_LARGE, uploadfilesize);
842 my_setopt_str(curl, CURLOPT_URL, this_url); /* what to fetch */
843 my_setopt(curl, CURLOPT_NOPROGRESS, global->noprogress?1L:0L);
844 if(config->no_body) {
845 my_setopt(curl, CURLOPT_NOBODY, 1L);
846 my_setopt(curl, CURLOPT_HEADER, 1L);
847 }
848 /* If --metalink is used, we ignore --include (headers in
849 output) option because mixing headers to the body will
850 confuse XML parser and/or hash check will fail. */
851 else if(!config->use_metalink)
852 my_setopt(curl, CURLOPT_HEADER, config->include_headers?1L:0L);
853
854 if(config->xoauth2_bearer)
855 my_setopt_str(curl, CURLOPT_XOAUTH2_BEARER, config->xoauth2_bearer);
856
857 #if !defined(CURL_DISABLE_PROXY)
858 {
859 /* TODO: Make this a run-time check instead of compile-time one. */
860
861 my_setopt_str(curl, CURLOPT_PROXY, config->proxy);
862 my_setopt_str(curl, CURLOPT_PROXYUSERPWD, config->proxyuserpwd);
863
864 /* new in libcurl 7.3 */
865 my_setopt(curl, CURLOPT_HTTPPROXYTUNNEL, config->proxytunnel?1L:0L);
866
867 /* new in libcurl 7.5 */
868 if(config->proxy)
869 my_setopt_enum(curl, CURLOPT_PROXYTYPE, (long)config->proxyver);
870
871 /* new in libcurl 7.10 */
872 if(config->socksproxy) {
873 my_setopt_str(curl, CURLOPT_PROXY, config->socksproxy);
874 my_setopt_enum(curl, CURLOPT_PROXYTYPE, (long)config->socksver);
875 }
876
877 /* new in libcurl 7.10.6 */
878 if(config->proxyanyauth)
879 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
880 (long)CURLAUTH_ANY);
881 else if(config->proxynegotiate)
882 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
883 (long)CURLAUTH_GSSNEGOTIATE);
884 else if(config->proxyntlm)
885 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
886 (long)CURLAUTH_NTLM);
887 else if(config->proxydigest)
888 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
889 (long)CURLAUTH_DIGEST);
890 else if(config->proxybasic)
891 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
892 (long)CURLAUTH_BASIC);
893
894 /* new in libcurl 7.19.4 */
895 my_setopt(curl, CURLOPT_NOPROXY, config->noproxy);
896 }
897 #endif
898
899 my_setopt(curl, CURLOPT_FAILONERROR, config->failonerror?1L:0L);
900 my_setopt(curl, CURLOPT_UPLOAD, uploadfile?1L:0L);
901 my_setopt(curl, CURLOPT_DIRLISTONLY, config->dirlistonly?1L:0L);
902 my_setopt(curl, CURLOPT_APPEND, config->ftp_append?1L:0L);
903
904 if(config->netrc_opt)
905 my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_OPTIONAL);
906 else if(config->netrc || config->netrc_file)
907 my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_REQUIRED);
908 else
909 my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_IGNORED);
910
911 if(config->netrc_file)
912 my_setopt(curl, CURLOPT_NETRC_FILE, config->netrc_file);
913
914 my_setopt(curl, CURLOPT_TRANSFERTEXT, config->use_ascii?1L:0L);
915 if(config->login_options)
916 my_setopt_str(curl, CURLOPT_LOGIN_OPTIONS, config->login_options);
917 my_setopt_str(curl, CURLOPT_USERPWD, config->userpwd);
918 my_setopt_str(curl, CURLOPT_RANGE, config->range);
919 my_setopt(curl, CURLOPT_ERRORBUFFER, errorbuffer);
920 my_setopt(curl, CURLOPT_TIMEOUT_MS, (long)(config->timeout * 1000));
921
922 if(built_in_protos & CURLPROTO_HTTP) {
923
924 long postRedir = 0;
925
926 my_setopt(curl, CURLOPT_FOLLOWLOCATION,
927 config->followlocation?1L:0L);
928 my_setopt(curl, CURLOPT_UNRESTRICTED_AUTH,
929 config->unrestricted_auth?1L:0L);
930
931 switch(config->httpreq) {
932 case HTTPREQ_SIMPLEPOST:
933 my_setopt_str(curl, CURLOPT_POSTFIELDS,
934 config->postfields);
935 my_setopt(curl, CURLOPT_POSTFIELDSIZE_LARGE,
936 config->postfieldsize);
937 break;
938 case HTTPREQ_POST:
939 my_setopt_httppost(curl, CURLOPT_HTTPPOST, config->httppost);
940 break;
941 default:
942 break;
943 }
944
945 my_setopt_str(curl, CURLOPT_REFERER, config->referer);
946 my_setopt(curl, CURLOPT_AUTOREFERER, config->autoreferer?1L:0L);
947 my_setopt_str(curl, CURLOPT_USERAGENT, config->useragent);
948 my_setopt_slist(curl, CURLOPT_HTTPHEADER, config->headers);
949
950 /* new in libcurl 7.36.0 */
951 if(config->proxyheaders) {
952 my_setopt_slist(curl, CURLOPT_PROXYHEADER, config->proxyheaders);
953 my_setopt(curl, CURLOPT_HEADEROPT, CURLHEADER_SEPARATE);
954 }
955
956 /* new in libcurl 7.5 */
957 my_setopt(curl, CURLOPT_MAXREDIRS, config->maxredirs);
958
959 /* new in libcurl 7.9.1 */
960 if(config->httpversion)
961 my_setopt_enum(curl, CURLOPT_HTTP_VERSION, config->httpversion);
962
963 /* new in libcurl 7.10.6 (default is Basic) */
964 if(config->authtype)
965 my_setopt_bitmask(curl, CURLOPT_HTTPAUTH, (long)config->authtype);
966
967 /* curl 7.19.1 (the 301 version existed in 7.18.2),
968 303 was added in 7.26.0 */
969 if(config->post301)
970 postRedir |= CURL_REDIR_POST_301;
971 if(config->post302)
972 postRedir |= CURL_REDIR_POST_302;
973 if(config->post303)
974 postRedir |= CURL_REDIR_POST_303;
975 my_setopt(curl, CURLOPT_POSTREDIR, postRedir);
976
977 /* new in libcurl 7.21.6 */
978 if(config->encoding)
979 my_setopt_str(curl, CURLOPT_ACCEPT_ENCODING, "");
980
981 /* new in libcurl 7.21.6 */
982 if(config->tr_encoding)
983 my_setopt(curl, CURLOPT_TRANSFER_ENCODING, 1L);
984
985 } /* (built_in_protos & CURLPROTO_HTTP) */
986
987 my_setopt_str(curl, CURLOPT_FTPPORT, config->ftpport);
988 my_setopt(curl, CURLOPT_LOW_SPEED_LIMIT,
989 config->low_speed_limit);
990 my_setopt(curl, CURLOPT_LOW_SPEED_TIME, config->low_speed_time);
991 my_setopt(curl, CURLOPT_MAX_SEND_SPEED_LARGE,
992 config->sendpersecond);
993 my_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE,
994 config->recvpersecond);
995
996 if(config->use_resume)
997 my_setopt(curl, CURLOPT_RESUME_FROM_LARGE, config->resume_from);
998 else
999 my_setopt(curl, CURLOPT_RESUME_FROM_LARGE, CURL_OFF_T_C(0));
1000
1001 my_setopt_str(curl, CURLOPT_KEYPASSWD, config->key_passwd);
1002
1003 if(built_in_protos & (CURLPROTO_SCP|CURLPROTO_SFTP)) {
1004
1005 /* SSH and SSL private key uses same command-line option */
1006 /* new in libcurl 7.16.1 */
1007 my_setopt_str(curl, CURLOPT_SSH_PRIVATE_KEYFILE, config->key);
1008 /* new in libcurl 7.16.1 */
1009 my_setopt_str(curl, CURLOPT_SSH_PUBLIC_KEYFILE, config->pubkey);
1010
1011 /* new in libcurl 7.17.1: SSH host key md5 checking allows us
1012 to fail if we are not talking to who we think we should */
1013 my_setopt_str(curl, CURLOPT_SSH_HOST_PUBLIC_KEY_MD5,
1014 config->hostpubmd5);
1015 }
1016
1017 if(config->cacert)
1018 my_setopt_str(curl, CURLOPT_CAINFO, config->cacert);
1019 if(config->capath)
1020 my_setopt_str(curl, CURLOPT_CAPATH, config->capath);
1021 if(config->crlfile)
1022 my_setopt_str(curl, CURLOPT_CRLFILE, config->crlfile);
1023
1024 if(config->pinnedpubkey)
1025 my_setopt_str(curl, CURLOPT_PINNEDPUBLICKEY, config->pinnedpubkey);
1026
1027 if(curlinfo->features & CURL_VERSION_SSL) {
1028 my_setopt_str(curl, CURLOPT_SSLCERT, config->cert);
1029 my_setopt_str(curl, CURLOPT_SSLCERTTYPE, config->cert_type);
1030 my_setopt_str(curl, CURLOPT_SSLKEY, config->key);
1031 my_setopt_str(curl, CURLOPT_SSLKEYTYPE, config->key_type);
1032
1033 if(config->insecure_ok) {
1034 my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
1035 my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
1036 }
1037 else {
1038 my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);
1039 /* libcurl default is strict verifyhost -> 2L */
1040 /* my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 2L); */
1041 }
1042
1043 if(config->verifystatus)
1044 my_setopt(curl, CURLOPT_SSL_VERIFYSTATUS, 1L);
1045
1046 if(config->falsestart)
1047 my_setopt(curl, CURLOPT_SSL_FALSESTART, 1L);
1048
1049 my_setopt_enum(curl, CURLOPT_SSLVERSION, config->ssl_version);
1050 }
1051 if(config->path_as_is)
1052 my_setopt(curl, CURLOPT_PATH_AS_IS, 1L);
1053
1054 if(built_in_protos & (CURLPROTO_SCP|CURLPROTO_SFTP)) {
1055 if(!config->insecure_ok) {
1056 char *home;
1057 char *file;
1058 result = CURLE_OUT_OF_MEMORY;
1059 home = homedir();
1060 if(home) {
1061 file = aprintf("%s/%sssh/known_hosts", home, DOT_CHAR);
1062 if(file) {
1063 /* new in curl 7.19.6 */
1064 result = res_setopt_str(curl, CURLOPT_SSH_KNOWNHOSTS, file);
1065 curl_free(file);
1066 if(result == CURLE_UNKNOWN_OPTION)
1067 /* libssh2 version older than 1.1.1 */
1068 result = CURLE_OK;
1069 }
1070 Curl_safefree(home);
1071 }
1072 if(result)
1073 goto show_error;
1074 }
1075 }
1076
1077 if(config->no_body || config->remote_time) {
1078 /* no body or use remote time */
1079 my_setopt(curl, CURLOPT_FILETIME, 1L);
1080 }
1081
1082 my_setopt(curl, CURLOPT_CRLF, config->crlf?1L:0L);
1083 my_setopt_slist(curl, CURLOPT_QUOTE, config->quote);
1084 my_setopt_slist(curl, CURLOPT_POSTQUOTE, config->postquote);
1085 my_setopt_slist(curl, CURLOPT_PREQUOTE, config->prequote);
1086
1087 #if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
1088 if(config->cookie)
1089 my_setopt_str(curl, CURLOPT_COOKIE, config->cookie);
1090
1091 if(config->cookiefile)
1092 my_setopt_str(curl, CURLOPT_COOKIEFILE, config->cookiefile);
1093
1094 /* new in libcurl 7.9 */
1095 if(config->cookiejar)
1096 my_setopt_str(curl, CURLOPT_COOKIEJAR, config->cookiejar);
1097
1098 /* new in libcurl 7.9.7 */
1099 my_setopt(curl, CURLOPT_COOKIESESSION, config->cookiesession?1L:0L);
1100 #else
1101 if(config->cookie || config->cookiefile || config->cookiejar) {
1102 warnf(config->global, "cookie option(s) used even though cookie "
1103 "support is disabled!\n");
1104 return CURLE_NOT_BUILT_IN;
1105 }
1106 #endif
1107
1108 my_setopt_enum(curl, CURLOPT_TIMECONDITION, (long)config->timecond);
1109 my_setopt(curl, CURLOPT_TIMEVALUE, (long)config->condtime);
1110 my_setopt_str(curl, CURLOPT_CUSTOMREQUEST, config->customrequest);
1111 my_setopt(curl, CURLOPT_STDERR, global->errors);
1112
1113 /* three new ones in libcurl 7.3: */
1114 my_setopt_str(curl, CURLOPT_INTERFACE, config->iface);
1115 my_setopt_str(curl, CURLOPT_KRBLEVEL, config->krblevel);
1116
1117 progressbarinit(&progressbar, config);
1118 if((global->progressmode == CURL_PROGRESS_BAR) &&
1119 !global->noprogress && !global->mute) {
1120 /* we want the alternative style, then we have to implement it
1121 ourselves! */
1122 my_setopt(curl, CURLOPT_XFERINFOFUNCTION, tool_progress_cb);
1123 my_setopt(curl, CURLOPT_XFERINFODATA, &progressbar);
1124 }
1125
1126 /* new in libcurl 7.24.0: */
1127 if(config->dns_servers)
1128 my_setopt_str(curl, CURLOPT_DNS_SERVERS, config->dns_servers);
1129
1130 /* new in libcurl 7.33.0: */
1131 if(config->dns_interface)
1132 my_setopt_str(curl, CURLOPT_DNS_INTERFACE, config->dns_interface);
1133 if(config->dns_ipv4_addr)
1134 my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP4, config->dns_ipv4_addr);
1135 if(config->dns_ipv6_addr)
1136 my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP6, config->dns_ipv6_addr);
1137
1138 /* new in libcurl 7.6.2: */
1139 my_setopt_slist(curl, CURLOPT_TELNETOPTIONS, config->telnet_options);
1140
1141 /* new in libcurl 7.7: */
1142 my_setopt_str(curl, CURLOPT_RANDOM_FILE, config->random_file);
1143 my_setopt_str(curl, CURLOPT_EGDSOCKET, config->egd_file);
1144 my_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS,
1145 (long)(config->connecttimeout * 1000));
1146
1147 if(config->cipher_list)
1148 my_setopt_str(curl, CURLOPT_SSL_CIPHER_LIST, config->cipher_list);
1149
1150 /* new in libcurl 7.9.2: */
1151 if(config->disable_epsv)
1152 /* disable it */
1153 my_setopt(curl, CURLOPT_FTP_USE_EPSV, 0L);
1154
1155 /* new in libcurl 7.10.5 */
1156 if(config->disable_eprt)
1157 /* disable it */
1158 my_setopt(curl, CURLOPT_FTP_USE_EPRT, 0L);
1159
1160 if(global->tracetype != TRACE_NONE) {
1161 my_setopt(curl, CURLOPT_DEBUGFUNCTION, tool_debug_cb);
1162 my_setopt(curl, CURLOPT_DEBUGDATA, config);
1163 my_setopt(curl, CURLOPT_VERBOSE, 1L);
1164 }
1165
1166 /* new in curl 7.9.3 */
1167 if(config->engine) {
1168 result = res_setopt_str(curl, CURLOPT_SSLENGINE, config->engine);
1169 if(result)
1170 goto show_error;
1171 my_setopt(curl, CURLOPT_SSLENGINE_DEFAULT, 1L);
1172 }
1173
1174 /* new in curl 7.10.7, extended in 7.19.4 but this only sets 0 or 1 */
1175 my_setopt(curl, CURLOPT_FTP_CREATE_MISSING_DIRS,
1176 config->ftp_create_dirs?1L:0L);
1177
1178 /* new in curl 7.10.8 */
1179 if(config->max_filesize)
1180 my_setopt(curl, CURLOPT_MAXFILESIZE_LARGE,
1181 config->max_filesize);
1182
1183 if(4 == config->ip_version)
1184 my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
1185 else if(6 == config->ip_version)
1186 my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6);
1187 else
1188 my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_WHATEVER);
1189
1190 /* new in curl 7.15.5 */
1191 if(config->ftp_ssl_reqd)
1192 my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
1193
1194 /* new in curl 7.11.0 */
1195 else if(config->ftp_ssl)
1196 my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_TRY);
1197
1198 /* new in curl 7.16.0 */
1199 else if(config->ftp_ssl_control)
1200 my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_CONTROL);
1201
1202 /* new in curl 7.16.1 */
1203 if(config->ftp_ssl_ccc)
1204 my_setopt_enum(curl, CURLOPT_FTP_SSL_CCC,
1205 (long)config->ftp_ssl_ccc_mode);
1206
1207 #if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
1208 {
1209 /* TODO: Make this a run-time check instead of compile-time one. */
1210
1211 /* new in curl 7.19.4 */
1212 if(config->socks5_gssapi_service)
1213 my_setopt_str(curl, CURLOPT_SOCKS5_GSSAPI_SERVICE,
1214 config->socks5_gssapi_service);
1215
1216 /* new in curl 7.19.4 */
1217 if(config->socks5_gssapi_nec)
1218 my_setopt_str(curl, CURLOPT_SOCKS5_GSSAPI_NEC,
1219 config->socks5_gssapi_nec);
1220
1221 /* new in curl 7.43.0 */
1222 if(config->proxy_service_name)
1223 my_setopt_str(curl, CURLOPT_PROXY_SERVICE_NAME,
1224 config->proxy_service_name);
1225
1226 /* new in curl 7.43.0 */
1227 if(config->service_name)
1228 my_setopt_str(curl, CURLOPT_SERVICE_NAME,
1229 config->service_name);
1230
1231 }
1232 #endif
1233 /* curl 7.13.0 */
1234 my_setopt_str(curl, CURLOPT_FTP_ACCOUNT, config->ftp_account);
1235
1236 my_setopt(curl, CURLOPT_IGNORE_CONTENT_LENGTH, config->ignorecl?1L:0L);
1237
1238 /* curl 7.14.2 */
1239 my_setopt(curl, CURLOPT_FTP_SKIP_PASV_IP, config->ftp_skip_ip?1L:0L);
1240
1241 /* curl 7.15.1 */
1242 my_setopt(curl, CURLOPT_FTP_FILEMETHOD, (long)config->ftp_filemethod);
1243
1244 /* curl 7.15.2 */
1245 if(config->localport) {
1246 my_setopt(curl, CURLOPT_LOCALPORT, (long)config->localport);
1247 my_setopt_str(curl, CURLOPT_LOCALPORTRANGE,
1248 (long)config->localportrange);
1249 }
1250
1251 /* curl 7.15.5 */
1252 my_setopt_str(curl, CURLOPT_FTP_ALTERNATIVE_TO_USER,
1253 config->ftp_alternative_to_user);
1254
1255 /* curl 7.16.0 */
1256 if(config->disable_sessionid)
1257 /* disable it */
1258 my_setopt(curl, CURLOPT_SSL_SESSIONID_CACHE, 0L);
1259
1260 /* curl 7.16.2 */
1261 if(config->raw) {
1262 my_setopt(curl, CURLOPT_HTTP_CONTENT_DECODING, 0L);
1263 my_setopt(curl, CURLOPT_HTTP_TRANSFER_DECODING, 0L);
1264 }
1265
1266 /* curl 7.17.1 */
1267 if(!config->nokeepalive) {
1268 my_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
1269 if(config->alivetime != 0) {
1270 #if !defined(TCP_KEEPIDLE) || !defined(TCP_KEEPINTVL)
1271 warnf(config->global, "Keep-alive functionality somewhat crippled "
1272 "due to missing support in your operating system!\n");
1273 #endif
1274 my_setopt(curl, CURLOPT_TCP_KEEPIDLE, config->alivetime);
1275 my_setopt(curl, CURLOPT_TCP_KEEPINTVL, config->alivetime);
1276 }
1277 }
1278 else
1279 my_setopt(curl, CURLOPT_TCP_KEEPALIVE, 0L);
1280
1281 /* curl 7.20.0 */
1282 if(config->tftp_blksize)
1283 my_setopt(curl, CURLOPT_TFTP_BLKSIZE, config->tftp_blksize);
1284
1285 if(config->mail_from)
1286 my_setopt_str(curl, CURLOPT_MAIL_FROM, config->mail_from);
1287
1288 if(config->mail_rcpt)
1289 my_setopt_slist(curl, CURLOPT_MAIL_RCPT, config->mail_rcpt);
1290
1291 /* curl 7.20.x */
1292 if(config->ftp_pret)
1293 my_setopt(curl, CURLOPT_FTP_USE_PRET, 1L);
1294
1295 if(config->proto_present)
1296 my_setopt_flags(curl, CURLOPT_PROTOCOLS, config->proto);
1297 if(config->proto_redir_present)
1298 my_setopt_flags(curl, CURLOPT_REDIR_PROTOCOLS, config->proto_redir);
1299
1300 if(config->content_disposition
1301 && (urlnode->flags & GETOUT_USEREMOTE)
1302 && (checkprefix("http://", this_url) ||
1303 checkprefix("https://", this_url)))
1304 hdrcbdata.honor_cd_filename = TRUE;
1305 else
1306 hdrcbdata.honor_cd_filename = FALSE;
1307
1308 hdrcbdata.outs = &outs;
1309 hdrcbdata.heads = &heads;
1310
1311 my_setopt(curl, CURLOPT_HEADERFUNCTION, tool_header_cb);
1312 my_setopt(curl, CURLOPT_HEADERDATA, &hdrcbdata);
1313
1314 if(config->resolve)
1315 /* new in 7.21.3 */
1316 my_setopt_slist(curl, CURLOPT_RESOLVE, config->resolve);
1317
1318 /* new in 7.21.4 */
1319 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) {
1320 if(config->tls_username)
1321 my_setopt_str(curl, CURLOPT_TLSAUTH_USERNAME,
1322 config->tls_username);
1323 if(config->tls_password)
1324 my_setopt_str(curl, CURLOPT_TLSAUTH_PASSWORD,
1325 config->tls_password);
1326 if(config->tls_authtype)
1327 my_setopt_str(curl, CURLOPT_TLSAUTH_TYPE,
1328 config->tls_authtype);
1329 }
1330
1331 /* new in 7.22.0 */
1332 if(config->gssapi_delegation)
1333 my_setopt_str(curl, CURLOPT_GSSAPI_DELEGATION,
1334 config->gssapi_delegation);
1335
1336 /* new in 7.25.0 */
1337 if(config->ssl_allow_beast)
1338 my_setopt(curl, CURLOPT_SSL_OPTIONS, (long)CURLSSLOPT_ALLOW_BEAST);
1339
1340 if(config->mail_auth)
1341 my_setopt_str(curl, CURLOPT_MAIL_AUTH, config->mail_auth);
1342
1343 /* new in 7.31.0 */
1344 if(config->sasl_ir)
1345 my_setopt(curl, CURLOPT_SASL_IR, 1L);
1346
1347 if(config->nonpn) {
1348 my_setopt(curl, CURLOPT_SSL_ENABLE_NPN, 0L);
1349 }
1350
1351 if(config->noalpn) {
1352 my_setopt(curl, CURLOPT_SSL_ENABLE_ALPN, 0L);
1353 }
1354
1355 /* new in 7.40.0 */
1356 if(config->unix_socket_path)
1357 my_setopt_str(curl, CURLOPT_UNIX_SOCKET_PATH,
1358 config->unix_socket_path);
1359
1360 /* initialize retry vars for loop below */
1361 retry_sleep_default = (config->retry_delay) ?
1362 config->retry_delay*1000L : RETRY_SLEEP_DEFAULT; /* ms */
1363
1364 retry_numretries = config->req_retry;
1365 retry_sleep = retry_sleep_default; /* ms */
1366 retrystart = tvnow();
1367
1368 #ifndef CURL_DISABLE_LIBCURL_OPTION
1369 result = easysrc_perform();
1370 if(result) {
1371 goto show_error;
1372 }
1373 #endif
1374
1375 for(;;) {
1376 #ifdef USE_METALINK
1377 if(!metalink && config->use_metalink) {
1378 /* If outs.metalink_parser is non-NULL, delete it first. */
1379 if(outs.metalink_parser)
1380 metalink_parser_context_delete(outs.metalink_parser);
1381 outs.metalink_parser = metalink_parser_context_new();
1382 if(outs.metalink_parser == NULL) {
1383 result = CURLE_OUT_OF_MEMORY;
1384 goto show_error;
1385 }
1386 fprintf(config->global->errors,
1387 "Metalink: parsing (%s) metalink/XML...\n", this_url);
1388 }
1389 else if(metalink)
1390 fprintf(config->global->errors,
1391 "Metalink: fetching (%s) from (%s)...\n",
1392 mlfile->filename, this_url);
1393 #endif /* USE_METALINK */
1394
1395 #ifdef CURLDEBUG
1396 if(config->test_event_based)
1397 result = curl_easy_perform_ev(curl);
1398 else
1399 #endif
1400 result = curl_easy_perform(curl);
1401
1402 if(!result && !outs.stream && !outs.bytes) {
1403 /* we have received no data despite the transfer was successful
1404 ==> force cration of an empty output file (if an output file
1405 was specified) */
1406 long cond_unmet = 0L;
1407 /* do not create (or even overwrite) the file in case we get no
1408 data because of unmet condition */
1409 curl_easy_getinfo(curl, CURLINFO_CONDITION_UNMET, &cond_unmet);
1410 if(!cond_unmet && !tool_create_output_file(&outs))
1411 result = CURLE_WRITE_ERROR;
1412 }
1413
1414 if(outs.is_cd_filename && outs.stream && !global->mute &&
1415 outs.filename)
1416 printf("curl: Saved to filename '%s'\n", outs.filename);
1417
1418 /* if retry-max-time is non-zero, make sure we haven't exceeded the
1419 time */
1420 if(retry_numretries &&
1421 (!config->retry_maxtime ||
1422 (tvdiff(tvnow(), retrystart) <
1423 config->retry_maxtime*1000L)) ) {
1424 enum {
1425 RETRY_NO,
1426 RETRY_TIMEOUT,
1427 RETRY_HTTP,
1428 RETRY_FTP,
1429 RETRY_LAST /* not used */
1430 } retry = RETRY_NO;
1431 long response;
1432 if((CURLE_OPERATION_TIMEDOUT == result) ||
1433 (CURLE_COULDNT_RESOLVE_HOST == result) ||
1434 (CURLE_COULDNT_RESOLVE_PROXY == result) ||
1435 (CURLE_FTP_ACCEPT_TIMEOUT == result))
1436 /* retry timeout always */
1437 retry = RETRY_TIMEOUT;
1438 else if((CURLE_OK == result) ||
1439 (config->failonerror &&
1440 (CURLE_HTTP_RETURNED_ERROR == result))) {
1441 /* If it returned OK. _or_ failonerror was enabled and it
1442 returned due to such an error, check for HTTP transient
1443 errors to retry on. */
1444 char *effective_url = NULL;
1445 curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &effective_url);
1446 if(effective_url &&
1447 checkprefix("http", effective_url)) {
1448 /* This was HTTP(S) */
1449 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
1450
1451 switch(response) {
1452 case 500: /* Internal Server Error */
1453 case 502: /* Bad Gateway */
1454 case 503: /* Service Unavailable */
1455 case 504: /* Gateway Timeout */
1456 retry = RETRY_HTTP;
1457 /*
1458 * At this point, we have already written data to the output
1459 * file (or terminal). If we write to a file, we must rewind
1460 * or close/re-open the file so that the next attempt starts
1461 * over from the beginning.
1462 *
1463 * TODO: similar action for the upload case. We might need
1464 * to start over reading from a previous point if we have
1465 * uploaded something when this was returned.
1466 */
1467 break;
1468 }
1469 }
1470 } /* if CURLE_OK */
1471 else if(result) {
1472 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
1473
1474 if(response/100 == 4)
1475 /*
1476 * This is typically when the FTP server only allows a certain
1477 * amount of users and we are not one of them. All 4xx codes
1478 * are transient.
1479 */
1480 retry = RETRY_FTP;
1481 }
1482
1483 if(retry) {
1484 static const char * const m[]={
1485 NULL, "timeout", "HTTP error", "FTP error"
1486 };
1487
1488 warnf(config->global, "Transient problem: %s "
1489 "Will retry in %ld seconds. "
1490 "%ld retries left.\n",
1491 m[retry], retry_sleep/1000L, retry_numretries);
1492
1493 tool_go_sleep(retry_sleep);
1494 retry_numretries--;
1495 if(!config->retry_delay) {
1496 retry_sleep *= 2;
1497 if(retry_sleep > RETRY_SLEEP_MAX)
1498 retry_sleep = RETRY_SLEEP_MAX;
1499 }
1500 if(outs.bytes && outs.filename && outs.stream) {
1501 /* We have written data to a output file, we truncate file
1502 */
1503 if(!global->mute)
1504 fprintf(global->errors, "Throwing away %"
1505 CURL_FORMAT_CURL_OFF_T " bytes\n",
1506 outs.bytes);
1507 fflush(outs.stream);
1508 /* truncate file at the position where we started appending */
1509 #ifdef HAVE_FTRUNCATE
1510 if(ftruncate( fileno(outs.stream), outs.init)) {
1511 /* when truncate fails, we can't just append as then we'll
1512 create something strange, bail out */
1513 if(!global->mute)
1514 fprintf(global->errors,
1515 "failed to truncate, exiting\n");
1516 result = CURLE_WRITE_ERROR;
1517 goto quit_urls;
1518 }
1519 /* now seek to the end of the file, the position where we
1520 just truncated the file in a large file-safe way */
1521 fseek(outs.stream, 0, SEEK_END);
1522 #else
1523 /* ftruncate is not available, so just reposition the file
1524 to the location we would have truncated it. This won't
1525 work properly with large files on 32-bit systems, but
1526 most of those will have ftruncate. */
1527 fseek(outs.stream, (long)outs.init, SEEK_SET);
1528 #endif
1529 outs.bytes = 0; /* clear for next round */
1530 }
1531 continue; /* curl_easy_perform loop */
1532 }
1533 } /* if retry_numretries */
1534 else if(metalink) {
1535 /* Metalink: Decide to try the next resource or
1536 not. Basically, we want to try the next resource if
1537 download was not successful. */
1538 long response;
1539 if(CURLE_OK == result) {
1540 /* TODO We want to try next resource when download was
1541 not successful. How to know that? */
1542 char *effective_url = NULL;
1543 curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &effective_url);
1544 if(effective_url &&
1545 curlx_strnequal(effective_url, "http", 4)) {
1546 /* This was HTTP(S) */
1547 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
1548 if(response != 200 && response != 206) {
1549 metalink_next_res = 1;
1550 fprintf(global->errors,
1551 "Metalink: fetching (%s) from (%s) FAILED "
1552 "(HTTP status code %d)\n",
1553 mlfile->filename, this_url, response);
1554 }
1555 }
1556 }
1557 else {
1558 metalink_next_res = 1;
1559 fprintf(global->errors,
1560 "Metalink: fetching (%s) from (%s) FAILED (%s)\n",
1561 mlfile->filename, this_url,
1562 (errorbuffer[0]) ?
1563 errorbuffer : curl_easy_strerror(result));
1564 }
1565 }
1566 if(metalink && !metalink_next_res)
1567 fprintf(global->errors, "Metalink: fetching (%s) from (%s) OK\n",
1568 mlfile->filename, this_url);
1569
1570 /* In all ordinary cases, just break out of loop here */
1571 break; /* curl_easy_perform loop */
1572
1573 }
1574
1575 if((global->progressmode == CURL_PROGRESS_BAR) &&
1576 progressbar.calls)
1577 /* if the custom progress bar has been displayed, we output a
1578 newline here */
1579 fputs("\n", progressbar.out);
1580
1581 if(config->writeout)
1582 ourWriteOut(curl, &outs, config->writeout);
1583
1584 if(config->writeenv)
1585 ourWriteEnv(curl);
1586
1587 /*
1588 ** Code within this loop may jump directly here to label 'show_error'
1589 ** in order to display an error message for CURLcode stored in 'res'
1590 ** variable and exit loop once that necessary writing and cleanup
1591 ** in label 'quit_urls' has been done.
1592 */
1593
1594 show_error:
1595
1596 #ifdef __VMS
1597 if(is_vms_shell()) {
1598 /* VMS DCL shell behavior */
1599 if(!global->showerror)
1600 vms_show = VMSSTS_HIDE;
1601 }
1602 else
1603 #endif
1604 if(result && global->showerror) {
1605 fprintf(global->errors, "curl: (%d) %s\n", result, (errorbuffer[0]) ?
1606 errorbuffer : curl_easy_strerror(result));
1607 if(result == CURLE_SSL_CACERT)
1608 fprintf(global->errors, "%s%s",
1609 CURL_CA_CERT_ERRORMSG1, CURL_CA_CERT_ERRORMSG2);
1610 }
1611
1612 /* Fall through comment to 'quit_urls' label */
1613
1614 /*
1615 ** Upon error condition and always that a message has already been
1616 ** displayed, code within this loop may jump directly here to label
1617 ** 'quit_urls' otherwise it should jump to 'show_error' label above.
1618 **
1619 ** When 'res' variable is _not_ CURLE_OK loop will exit once that
1620 ** all code following 'quit_urls' has been executed. Otherwise it
1621 ** will loop to the beginning from where it may exit if there are
1622 ** no more urls left.
1623 */
1624
1625 quit_urls:
1626
1627 /* Set file extended attributes */
1628 if(!result && config->xattr && outs.fopened && outs.stream) {
1629 int rc = fwrite_xattr(curl, fileno(outs.stream));
1630 if(rc)
1631 warnf(config->global, "Error setting extended attributes: %s\n",
1632 strerror(errno));
1633 }
1634
1635 /* Close the file */
1636 if(outs.fopened && outs.stream) {
1637 int rc = fclose(outs.stream);
1638 if(!result && rc) {
1639 /* something went wrong in the writing process */
1640 result = CURLE_WRITE_ERROR;
1641 fprintf(global->errors, "(%d) Failed writing body\n", result);
1642 }
1643 }
1644 else if(!outs.s_isreg && outs.stream) {
1645 /* Dump standard stream buffered data */
1646 int rc = fflush(outs.stream);
1647 if(!result && rc) {
1648 /* something went wrong in the writing process */
1649 result = CURLE_WRITE_ERROR;
1650 fprintf(global->errors, "(%d) Failed writing body\n", result);
1651 }
1652 }
1653
1654 #ifdef __AMIGA__
1655 if(!result && outs.s_isreg && outs.filename) {
1656 /* Set the url (up to 80 chars) as comment for the file */
1657 if(strlen(url) > 78)
1658 url[79] = '\0';
1659 SetComment(outs.filename, url);
1660 }
1661 #endif
1662
1663 #ifdef HAVE_UTIME
1664 /* File time can only be set _after_ the file has been closed */
1665 if(!result && config->remote_time && outs.s_isreg && outs.filename) {
1666 /* Ask libcurl if we got a remote file time */
1667 long filetime = -1;
1668 curl_easy_getinfo(curl, CURLINFO_FILETIME, &filetime);
1669 if(filetime >= 0) {
1670 struct utimbuf times;
1671 times.actime = (time_t)filetime;
1672 times.modtime = (time_t)filetime;
1673 utime(outs.filename, ×); /* set the time we got */
1674 }
1675 }
1676 #endif
1677
1678 #ifdef USE_METALINK
1679 if(!metalink && config->use_metalink && result == CURLE_OK) {
1680 int rv = parse_metalink(config, &outs, this_url);
1681 if(rv == 0)
1682 fprintf(config->global->errors, "Metalink: parsing (%s) OK\n",
1683 this_url);
1684 else if(rv == -1)
1685 fprintf(config->global->errors, "Metalink: parsing (%s) FAILED\n",
1686 this_url);
1687 }
1688 else if(metalink && result == CURLE_OK && !metalink_next_res) {
1689 int rv = metalink_check_hash(global, mlfile, outs.filename);
1690 if(rv == 0) {
1691 metalink_next_res = 1;
1692 }
1693 }
1694 #endif /* USE_METALINK */
1695
1696 /* No more business with this output struct */
1697 if(outs.alloc_filename)
1698 Curl_safefree(outs.filename);
1699 #ifdef USE_METALINK
1700 if(outs.metalink_parser)
1701 metalink_parser_context_delete(outs.metalink_parser);
1702 #endif /* USE_METALINK */
1703 memset(&outs, 0, sizeof(struct OutStruct));
1704 hdrcbdata.outs = NULL;
1705
1706 /* Free loop-local allocated memory and close loop-local opened fd */
1707
1708 Curl_safefree(outfile);
1709 Curl_safefree(this_url);
1710
1711 if(infdopen)
1712 close(infd);
1713
1714 if(metalink) {
1715 /* Should exit if error is fatal. */
1716 if(is_fatal_error(result)) {
1717 break;
1718 }
1719 if(!metalink_next_res)
1720 break;
1721 mlres = mlres->next;
1722 if(mlres == NULL)
1723 /* TODO If metalink_next_res is 1 and mlres is NULL,
1724 * set res to error code
1725 */
1726 break;
1727 }
1728 else
1729 if(urlnum > 1) {
1730 /* when url globbing, exit loop upon critical error */
1731 if(is_fatal_error(result))
1732 break;
1733 }
1734 else if(result)
1735 /* when not url globbing, exit loop upon any error */
1736 break;
1737
1738 } /* loop to the next URL */
1739
1740 /* Free loop-local allocated memory */
1741
1742 Curl_safefree(uploadfile);
1743
1744 if(urls) {
1745 /* Free list of remaining URLs */
1746 glob_cleanup(urls);
1747 urls = NULL;
1748 }
1749
1750 if(infilenum > 1) {
1751 /* when file globbing, exit loop upon critical error */
1752 if(is_fatal_error(result))
1753 break;
1754 }
1755 else if(result)
1756 /* when not file globbing, exit loop upon any error */
1757 break;
1758
1759 } /* loop to the next globbed upload file */
1760
1761 /* Free loop-local allocated memory */
1762
1763 Curl_safefree(outfiles);
1764
1765 if(inglob) {
1766 /* Free list of globbed upload files */
1767 glob_cleanup(inglob);
1768 inglob = NULL;
1769 }
1770
1771 /* Free this URL node data without destroying the
1772 the node itself nor modifying next pointer. */
1773 Curl_safefree(urlnode->url);
1774 Curl_safefree(urlnode->outfile);
1775 Curl_safefree(urlnode->infile);
1776 urlnode->flags = 0;
1777
1778 /*
1779 ** Bail out upon critical errors
1780 */
1781 if(is_fatal_error(result))
1782 goto quit_curl;
1783
1784 } /* for-loop through all URLs */
1785
1786 /*
1787 ** Nested loops end here.
1788 */
1789
1790 quit_curl:
1791
1792 /* Reset the global config variables */
1793 global->noprogress = orig_noprogress;
1794 global->isatty = orig_isatty;
1795
1796 /* Free function-local referenced allocated memory */
1797 Curl_safefree(httpgetfields);
1798
1799 /* Free list of given URLs */
1800 clean_getout(config);
1801
1802 hdrcbdata.heads = NULL;
1803
1804 /* Close function-local opened file descriptors */
1805 if(heads.fopened && heads.stream)
1806 fclose(heads.stream);
1807
1808 if(heads.alloc_filename)
1809 Curl_safefree(heads.filename);
1810
1811 /* Release metalink related resources here */
1812 clean_metalink(config);
1813
1814 return result;
1815 }
1816
operate(struct GlobalConfig * config,int argc,argv_item_t argv[])1817 CURLcode operate(struct GlobalConfig *config, int argc, argv_item_t argv[])
1818 {
1819 CURLcode result = CURLE_OK;
1820
1821 /* Setup proper locale from environment */
1822 #ifdef HAVE_SETLOCALE
1823 setlocale(LC_ALL, "");
1824 #endif
1825
1826 /* Parse .curlrc if necessary */
1827 if((argc == 1) || (!curlx_strequal(argv[1], "-q"))) {
1828 parseconfig(NULL, config); /* ignore possible failure */
1829
1830 /* If we had no arguments then make sure a url was specified in .curlrc */
1831 if((argc < 2) && (!config->first->url_list)) {
1832 helpf(config->errors, NULL);
1833 result = CURLE_FAILED_INIT;
1834 }
1835 }
1836
1837 if(!result) {
1838 /* Parse the command line arguments */
1839 ParameterError res = parse_args(config, argc, argv);
1840 if(res) {
1841 result = CURLE_OK;
1842
1843 /* Check if we were asked for the help */
1844 if(res == PARAM_HELP_REQUESTED)
1845 tool_help();
1846 /* Check if we were asked for the manual */
1847 else if(res == PARAM_MANUAL_REQUESTED)
1848 hugehelp();
1849 /* Check if we were asked for the version information */
1850 else if(res == PARAM_VERSION_INFO_REQUESTED)
1851 tool_version_info();
1852 /* Check if we were asked to list the SSL engines */
1853 else if(res == PARAM_ENGINES_REQUESTED)
1854 tool_list_engines(config->easy);
1855 else
1856 result = CURLE_FAILED_INIT;
1857 }
1858 else {
1859 #ifndef CURL_DISABLE_LIBCURL_OPTION
1860 /* Initialise the libcurl source output */
1861 result = easysrc_init();
1862 #endif
1863
1864 /* Perform the main operations */
1865 if(!result) {
1866 size_t count = 0;
1867 struct OperationConfig *operation = config->first;
1868
1869 /* Get the required aguments for each operation */
1870 while(!result && operation) {
1871 result = get_args(operation, count++);
1872
1873 operation = operation->next;
1874 }
1875
1876 /* Set the current operation pointer */
1877 config->current = config->first;
1878
1879 /* Perform each operation */
1880 while(!result && config->current) {
1881 result = operate_do(config, config->current);
1882
1883 config->current = config->current->next;
1884 }
1885
1886 #ifndef CURL_DISABLE_LIBCURL_OPTION
1887 /* Cleanup the libcurl source output */
1888 easysrc_cleanup();
1889
1890 /* Dump the libcurl code if previously enabled */
1891 dumpeasysrc(config);
1892 #endif
1893 }
1894 else
1895 helpf(config->errors, "out of memory\n");
1896 }
1897 }
1898
1899 return result;
1900 }
1901