1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2016, 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 https://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: https://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 /* !checksrc! disable FOPENMODE 1 */
155 file = fopen(name, "r"); /* VMS */
156 if(file == NULL) {
157 return 0;
158 }
159 count = 0;
160 ret_stat = 1;
161 while(ret_stat > 0) {
162 ret_stat = fread(buffer, 1, sizeof(buffer), file);
163 if(ret_stat != 0)
164 count += ret_stat;
165 }
166 fclose(file);
167
168 return count;
169 }
170
171 /*
172 *
173 * VmsSpecialSize checks to see if the stat st_size can be trusted and
174 * if not to call a routine to get the correct size.
175 *
176 */
VmsSpecialSize(const char * name,const struct_stat * stat_buf)177 static curl_off_t VmsSpecialSize(const char * name,
178 const struct_stat * stat_buf)
179 {
180 switch(stat_buf->st_fab_rfm) {
181 case FAB$C_VAR:
182 case FAB$C_VFC:
183 return vms_realfilesize(name, stat_buf);
184 break;
185 default:
186 return stat_buf->st_size;
187 }
188 }
189 #endif /* __VMS */
190
operate_do(struct GlobalConfig * global,struct OperationConfig * config)191 static CURLcode operate_do(struct GlobalConfig *global,
192 struct OperationConfig *config)
193 {
194 char errorbuffer[CURL_ERROR_SIZE];
195 struct ProgressData progressbar;
196 struct getout *urlnode;
197
198 struct HdrCbData hdrcbdata;
199 struct OutStruct heads;
200
201 metalinkfile *mlfile_last = NULL;
202
203 CURL *curl = config->easy;
204 char *httpgetfields = NULL;
205
206 CURLcode result = CURLE_OK;
207 unsigned long li;
208 bool capath_from_env;
209
210 /* Save the values of noprogress and isatty to restore them later on */
211 bool orig_noprogress = global->noprogress;
212 bool orig_isatty = global->isatty;
213
214 errorbuffer[0] = '\0';
215
216 /* default headers output stream is stdout */
217 memset(&hdrcbdata, 0, sizeof(struct HdrCbData));
218 memset(&heads, 0, sizeof(struct OutStruct));
219 heads.stream = stdout;
220 heads.config = config;
221
222 /*
223 ** Beyond this point no return'ing from this function allowed.
224 ** Jump to label 'quit_curl' in order to abandon this function
225 ** from outside of nested loops further down below.
226 */
227
228 /* Check we have a url */
229 if(!config->url_list || !config->url_list->url) {
230 helpf(global->errors, "no URL specified!\n");
231 result = CURLE_FAILED_INIT;
232 goto quit_curl;
233 }
234
235 /* On WIN32 we can't set the path to curl-ca-bundle.crt
236 * at compile time. So we look here for the file in two ways:
237 * 1: look at the environment variable CURL_CA_BUNDLE for a path
238 * 2: if #1 isn't found, use the windows API function SearchPath()
239 * to find it along the app's path (includes app's dir and CWD)
240 *
241 * We support the environment variable thing for non-Windows platforms
242 * too. Just for the sake of it.
243 */
244 capath_from_env = false;
245 if(!config->cacert &&
246 !config->capath &&
247 !config->insecure_ok) {
248 char *env;
249 env = curlx_getenv("CURL_CA_BUNDLE");
250 if(env) {
251 config->cacert = strdup(env);
252 if(!config->cacert) {
253 curl_free(env);
254 helpf(global->errors, "out of memory\n");
255 result = CURLE_OUT_OF_MEMORY;
256 goto quit_curl;
257 }
258 }
259 else {
260 env = curlx_getenv("SSL_CERT_DIR");
261 if(env) {
262 config->capath = strdup(env);
263 if(!config->capath) {
264 curl_free(env);
265 helpf(global->errors, "out of memory\n");
266 result = CURLE_OUT_OF_MEMORY;
267 goto quit_curl;
268 }
269 capath_from_env = true;
270 }
271 else {
272 env = curlx_getenv("SSL_CERT_FILE");
273 if(env) {
274 config->cacert = strdup(env);
275 if(!config->cacert) {
276 curl_free(env);
277 helpf(global->errors, "out of memory\n");
278 result = CURLE_OUT_OF_MEMORY;
279 goto quit_curl;
280 }
281 }
282 }
283 }
284
285 if(env)
286 curl_free(env);
287 #ifdef WIN32
288 else {
289 result = FindWin32CACert(config, "curl-ca-bundle.crt");
290 if(result)
291 goto quit_curl;
292 }
293 #endif
294 }
295
296 if(config->postfields) {
297 if(config->use_httpget) {
298 /* Use the postfields data for a http get */
299 httpgetfields = strdup(config->postfields);
300 Curl_safefree(config->postfields);
301 if(!httpgetfields) {
302 helpf(global->errors, "out of memory\n");
303 result = CURLE_OUT_OF_MEMORY;
304 goto quit_curl;
305 }
306 if(SetHTTPrequest(config,
307 (config->no_body?HTTPREQ_HEAD:HTTPREQ_GET),
308 &config->httpreq)) {
309 result = CURLE_FAILED_INIT;
310 goto quit_curl;
311 }
312 }
313 else {
314 if(SetHTTPrequest(config, HTTPREQ_SIMPLEPOST, &config->httpreq)) {
315 result = CURLE_FAILED_INIT;
316 goto quit_curl;
317 }
318 }
319 }
320
321 /* Single header file for all URLs */
322 if(config->headerfile) {
323 /* open file for output: */
324 if(!curlx_strequal(config->headerfile, "-")) {
325 FILE *newfile = fopen(config->headerfile, "wb");
326 if(!newfile) {
327 warnf(config->global, "Failed to open %s\n", config->headerfile);
328 result = CURLE_WRITE_ERROR;
329 goto quit_curl;
330 }
331 else {
332 heads.filename = config->headerfile;
333 heads.s_isreg = TRUE;
334 heads.fopened = TRUE;
335 heads.stream = newfile;
336 }
337 }
338 else {
339 /* always use binary mode for protocol header output */
340 set_binmode(heads.stream);
341 }
342 }
343
344 /*
345 ** Nested loops start here.
346 */
347
348 /* loop through the list of given URLs */
349
350 for(urlnode = config->url_list; urlnode; urlnode = urlnode->next) {
351
352 unsigned long up; /* upload file counter within a single upload glob */
353 char *infiles; /* might be a glob pattern */
354 char *outfiles;
355 unsigned long infilenum;
356 URLGlob *inglob;
357
358 int metalink = 0; /* nonzero for metalink download. */
359 metalinkfile *mlfile;
360 metalink_resource *mlres;
361
362 outfiles = NULL;
363 infilenum = 1;
364 inglob = NULL;
365
366 if(urlnode->flags & GETOUT_METALINK) {
367 metalink = 1;
368 if(mlfile_last == NULL) {
369 mlfile_last = config->metalinkfile_list;
370 }
371 mlfile = mlfile_last;
372 mlfile_last = mlfile_last->next;
373 mlres = mlfile->resource;
374 }
375 else {
376 mlfile = NULL;
377 mlres = NULL;
378 }
379
380 /* urlnode->url is the full URL (it might be NULL) */
381
382 if(!urlnode->url) {
383 /* This node has no URL. Free node data without destroying the
384 node itself nor modifying next pointer and continue to next */
385 Curl_safefree(urlnode->outfile);
386 Curl_safefree(urlnode->infile);
387 urlnode->flags = 0;
388 continue; /* next URL please */
389 }
390
391 /* save outfile pattern before expansion */
392 if(urlnode->outfile) {
393 outfiles = strdup(urlnode->outfile);
394 if(!outfiles) {
395 helpf(global->errors, "out of memory\n");
396 result = CURLE_OUT_OF_MEMORY;
397 break;
398 }
399 }
400
401 infiles = urlnode->infile;
402
403 if(!config->globoff && infiles) {
404 /* Unless explicitly shut off */
405 result = glob_url(&inglob, infiles, &infilenum,
406 global->showerror?global->errors:NULL);
407 if(result) {
408 Curl_safefree(outfiles);
409 break;
410 }
411 }
412
413 /* Here's the loop for uploading multiple files within the same
414 single globbed string. If no upload, we enter the loop once anyway. */
415 for(up = 0 ; up < infilenum; up++) {
416
417 char *uploadfile; /* a single file, never a glob */
418 int separator;
419 URLGlob *urls;
420 unsigned long urlnum;
421
422 uploadfile = NULL;
423 urls = NULL;
424 urlnum = 0;
425
426 if(!up && !infiles)
427 Curl_nop_stmt;
428 else {
429 if(inglob) {
430 result = glob_next_url(&uploadfile, inglob);
431 if(result == CURLE_OUT_OF_MEMORY)
432 helpf(global->errors, "out of memory\n");
433 }
434 else if(!up) {
435 uploadfile = strdup(infiles);
436 if(!uploadfile) {
437 helpf(global->errors, "out of memory\n");
438 result = CURLE_OUT_OF_MEMORY;
439 }
440 }
441 else
442 uploadfile = NULL;
443 if(!uploadfile)
444 break;
445 }
446
447 if(metalink) {
448 /* For Metalink download, we don't use glob. Instead we use
449 the number of resources as urlnum. */
450 urlnum = count_next_metalink_resource(mlfile);
451 }
452 else
453 if(!config->globoff) {
454 /* Unless explicitly shut off, we expand '{...}' and '[...]'
455 expressions and return total number of URLs in pattern set */
456 result = glob_url(&urls, urlnode->url, &urlnum,
457 global->showerror?global->errors:NULL);
458 if(result) {
459 Curl_safefree(uploadfile);
460 break;
461 }
462 }
463 else
464 urlnum = 1; /* without globbing, this is a single URL */
465
466 /* if multiple files extracted to stdout, insert separators! */
467 separator= ((!outfiles || curlx_strequal(outfiles, "-")) && urlnum > 1);
468
469 /* Here's looping around each globbed URL */
470 for(li = 0 ; li < urlnum; li++) {
471
472 int infd;
473 bool infdopen;
474 char *outfile;
475 struct OutStruct outs;
476 struct InStruct input;
477 struct timeval retrystart;
478 curl_off_t uploadfilesize;
479 long retry_numretries;
480 long retry_sleep_default;
481 long retry_sleep;
482 char *this_url = NULL;
483 int metalink_next_res = 0;
484
485 outfile = NULL;
486 infdopen = FALSE;
487 infd = STDIN_FILENO;
488 uploadfilesize = -1; /* -1 means unknown */
489
490 /* default output stream is stdout */
491 memset(&outs, 0, sizeof(struct OutStruct));
492 outs.stream = stdout;
493 outs.config = config;
494
495 if(metalink) {
496 /* For Metalink download, use name in Metalink file as
497 filename. */
498 outfile = strdup(mlfile->filename);
499 if(!outfile) {
500 result = CURLE_OUT_OF_MEMORY;
501 goto show_error;
502 }
503 this_url = strdup(mlres->url);
504 if(!this_url) {
505 result = CURLE_OUT_OF_MEMORY;
506 goto show_error;
507 }
508 }
509 else {
510 if(urls) {
511 result = glob_next_url(&this_url, urls);
512 if(result)
513 goto show_error;
514 }
515 else if(!li) {
516 this_url = strdup(urlnode->url);
517 if(!this_url) {
518 result = CURLE_OUT_OF_MEMORY;
519 goto show_error;
520 }
521 }
522 else
523 this_url = NULL;
524 if(!this_url)
525 break;
526
527 if(outfiles) {
528 outfile = strdup(outfiles);
529 if(!outfile) {
530 result = CURLE_OUT_OF_MEMORY;
531 goto show_error;
532 }
533 }
534 }
535
536 if(((urlnode->flags&GETOUT_USEREMOTE) ||
537 (outfile && !curlx_strequal("-", outfile))) &&
538 (metalink || !config->use_metalink)) {
539
540 /*
541 * We have specified a file name to store the result in, or we have
542 * decided we want to use the remote file name.
543 */
544
545 if(!outfile) {
546 /* extract the file name from the URL */
547 result = get_url_file_name(&outfile, this_url);
548 if(result)
549 goto show_error;
550 if(!*outfile && !config->content_disposition) {
551 helpf(global->errors, "Remote file name has no length!\n");
552 result = CURLE_WRITE_ERROR;
553 goto quit_urls;
554 }
555 }
556 else if(urls) {
557 /* fill '#1' ... '#9' terms from URL pattern */
558 char *storefile = outfile;
559 result = glob_match_url(&outfile, storefile, urls);
560 Curl_safefree(storefile);
561 if(result) {
562 /* bad globbing */
563 warnf(config->global, "bad output glob!\n");
564 goto quit_urls;
565 }
566 }
567
568 /* Create the directory hierarchy, if not pre-existent to a multiple
569 file output call */
570
571 if(config->create_dirs || metalink) {
572 result = create_dir_hierarchy(outfile, global->errors);
573 /* create_dir_hierarchy shows error upon CURLE_WRITE_ERROR */
574 if(result == CURLE_WRITE_ERROR)
575 goto quit_urls;
576 if(result) {
577 goto show_error;
578 }
579 }
580
581 if((urlnode->flags & GETOUT_USEREMOTE)
582 && config->content_disposition) {
583 /* Our header callback MIGHT set the filename */
584 DEBUGASSERT(!outs.filename);
585 }
586
587 if(config->resume_from_current) {
588 /* We're told to continue from where we are now. Get the size
589 of the file as it is now and open it for append instead */
590 struct_stat fileinfo;
591 /* VMS -- Danger, the filesize is only valid for stream files */
592 if(0 == stat(outfile, &fileinfo))
593 /* set offset to current file size: */
594 config->resume_from = fileinfo.st_size;
595 else
596 /* let offset be 0 */
597 config->resume_from = 0;
598 }
599
600 if(config->resume_from) {
601 #ifdef __VMS
602 /* open file for output, forcing VMS output format into stream
603 mode which is needed for stat() call above to always work. */
604 FILE *file = fopen(outfile, config->resume_from?"ab":"wb",
605 "ctx=stm", "rfm=stmlf", "rat=cr", "mrs=0");
606 #else
607 /* open file for output: */
608 FILE *file = fopen(outfile, config->resume_from?"ab":"wb");
609 #endif
610 if(!file) {
611 helpf(global->errors, "Can't open '%s'!\n", outfile);
612 result = CURLE_WRITE_ERROR;
613 goto quit_urls;
614 }
615 outs.fopened = TRUE;
616 outs.stream = file;
617 outs.init = config->resume_from;
618 }
619 else {
620 outs.stream = NULL; /* open when needed */
621 }
622 outs.filename = outfile;
623 outs.s_isreg = TRUE;
624 }
625
626 if(uploadfile && !stdin_upload(uploadfile)) {
627 /*
628 * We have specified a file to upload and it isn't "-".
629 */
630 struct_stat fileinfo;
631
632 this_url = add_file_name_to_url(curl, this_url, uploadfile);
633 if(!this_url) {
634 result = CURLE_OUT_OF_MEMORY;
635 goto show_error;
636 }
637 /* VMS Note:
638 *
639 * Reading binary from files can be a problem... Only FIXED, VAR
640 * etc WITHOUT implied CC will work Others need a \n appended to a
641 * line
642 *
643 * - Stat gives a size but this is UNRELIABLE in VMS As a f.e. a
644 * fixed file with implied CC needs to have a byte added for every
645 * record processed, this can by derived from Filesize & recordsize
646 * for VARiable record files the records need to be counted! for
647 * every record add 1 for linefeed and subtract 2 for the record
648 * header for VARIABLE header files only the bare record data needs
649 * to be considered with one appended if implied CC
650 */
651 #ifdef __VMS
652 /* Calculate the real upload site for VMS */
653 infd = -1;
654 if(stat(uploadfile, &fileinfo) == 0) {
655 fileinfo.st_size = VmsSpecialSize(uploadfile, &fileinfo);
656 switch (fileinfo.st_fab_rfm) {
657 case FAB$C_VAR:
658 case FAB$C_VFC:
659 case FAB$C_STMCR:
660 infd = open(uploadfile, O_RDONLY | O_BINARY);
661 break;
662 default:
663 infd = open(uploadfile, O_RDONLY | O_BINARY,
664 "rfm=stmlf", "ctx=stm");
665 }
666 }
667 if(infd == -1)
668 #else
669 infd = open(uploadfile, O_RDONLY | O_BINARY);
670 if((infd == -1) || fstat(infd, &fileinfo))
671 #endif
672 {
673 helpf(global->errors, "Can't open '%s'!\n", uploadfile);
674 if(infd != -1) {
675 close(infd);
676 infd = STDIN_FILENO;
677 }
678 result = CURLE_READ_ERROR;
679 goto quit_urls;
680 }
681 infdopen = TRUE;
682
683 /* we ignore file size for char/block devices, sockets, etc. */
684 if(S_ISREG(fileinfo.st_mode))
685 uploadfilesize = fileinfo.st_size;
686
687 }
688 else if(uploadfile && stdin_upload(uploadfile)) {
689 /* count to see if there are more than one auth bit set
690 in the authtype field */
691 int authbits = 0;
692 int bitcheck = 0;
693 while(bitcheck < 32) {
694 if(config->authtype & (1UL << bitcheck++)) {
695 authbits++;
696 if(authbits > 1) {
697 /* more than one, we're done! */
698 break;
699 }
700 }
701 }
702
703 /*
704 * If the user has also selected --anyauth or --proxy-anyauth
705 * we should warn him/her.
706 */
707 if(config->proxyanyauth || (authbits>1)) {
708 warnf(config->global,
709 "Using --anyauth or --proxy-anyauth with upload from stdin"
710 " involves a big risk of it not working. Use a temporary"
711 " file or a fixed auth type instead!\n");
712 }
713
714 DEBUGASSERT(infdopen == FALSE);
715 DEBUGASSERT(infd == STDIN_FILENO);
716
717 set_binmode(stdin);
718 if(curlx_strequal(uploadfile, ".")) {
719 if(curlx_nonblock((curl_socket_t)infd, TRUE) < 0)
720 warnf(config->global,
721 "fcntl failed on fd=%d: %s\n", infd, strerror(errno));
722 }
723 }
724
725 if(uploadfile && config->resume_from_current)
726 config->resume_from = -1; /* -1 will then force get-it-yourself */
727
728 if(output_expected(this_url, uploadfile) && outs.stream &&
729 isatty(fileno(outs.stream)))
730 /* we send the output to a tty, therefore we switch off the progress
731 meter */
732 global->noprogress = global->isatty = TRUE;
733 else {
734 /* progress meter is per download, so restore config
735 values */
736 global->noprogress = orig_noprogress;
737 global->isatty = orig_isatty;
738 }
739
740 if(urlnum > 1 && !global->mute) {
741 fprintf(global->errors, "\n[%lu/%lu]: %s --> %s\n",
742 li+1, urlnum, this_url, outfile ? outfile : "<stdout>");
743 if(separator)
744 printf("%s%s\n", CURLseparator, this_url);
745 }
746 if(httpgetfields) {
747 char *urlbuffer;
748 /* Find out whether the url contains a file name */
749 const char *pc = strstr(this_url, "://");
750 char sep = '?';
751 if(pc)
752 pc += 3;
753 else
754 pc = this_url;
755
756 pc = strrchr(pc, '/'); /* check for a slash */
757
758 if(pc) {
759 /* there is a slash present in the URL */
760
761 if(strchr(pc, '?'))
762 /* Ouch, there's already a question mark in the URL string, we
763 then append the data with an ampersand separator instead! */
764 sep='&';
765 }
766 /*
767 * Then append ? followed by the get fields to the url.
768 */
769 if(pc)
770 urlbuffer = aprintf("%s%c%s", this_url, sep, httpgetfields);
771 else
772 /* Append / before the ? to create a well-formed url
773 if the url contains a hostname only
774 */
775 urlbuffer = aprintf("%s/?%s", this_url, httpgetfields);
776
777 if(!urlbuffer) {
778 result = CURLE_OUT_OF_MEMORY;
779 goto show_error;
780 }
781
782 Curl_safefree(this_url); /* free previous URL */
783 this_url = urlbuffer; /* use our new URL instead! */
784 }
785
786 if(!global->errors)
787 global->errors = stderr;
788
789 if((!outfile || !strcmp(outfile, "-")) && !config->use_ascii) {
790 /* We get the output to stdout and we have not got the ASCII/text
791 flag, then set stdout to be binary */
792 set_binmode(stdout);
793 }
794
795 if(config->tcp_nodelay)
796 my_setopt(curl, CURLOPT_TCP_NODELAY, 1L);
797
798 if(config->tcp_fastopen)
799 my_setopt(curl, CURLOPT_TCP_FASTOPEN, 1L);
800
801 /* where to store */
802 my_setopt(curl, CURLOPT_WRITEDATA, &outs);
803 if(metalink || !config->use_metalink)
804 /* what call to write */
805 my_setopt(curl, CURLOPT_WRITEFUNCTION, tool_write_cb);
806 #ifdef USE_METALINK
807 else
808 /* Set Metalink specific write callback function to parse
809 XML data progressively. */
810 my_setopt(curl, CURLOPT_WRITEFUNCTION, metalink_write_cb);
811 #endif /* USE_METALINK */
812
813 /* for uploads */
814 input.fd = infd;
815 input.config = config;
816 /* Note that if CURLOPT_READFUNCTION is fread (the default), then
817 * lib/telnet.c will Curl_poll() on the input file descriptor
818 * rather then calling the READFUNCTION at regular intervals.
819 * The circumstances in which it is preferable to enable this
820 * behaviour, by omitting to set the READFUNCTION & READDATA options,
821 * have not been determined.
822 */
823 my_setopt(curl, CURLOPT_READDATA, &input);
824 /* what call to read */
825 my_setopt(curl, CURLOPT_READFUNCTION, tool_read_cb);
826
827 /* in 7.18.0, the CURLOPT_SEEKFUNCTION/DATA pair is taking over what
828 CURLOPT_IOCTLFUNCTION/DATA pair previously provided for seeking */
829 my_setopt(curl, CURLOPT_SEEKDATA, &input);
830 my_setopt(curl, CURLOPT_SEEKFUNCTION, tool_seek_cb);
831
832 if(config->recvpersecond)
833 /* tell libcurl to use a smaller sized buffer as it allows us to
834 make better sleeps! 7.9.9 stuff! */
835 my_setopt(curl, CURLOPT_BUFFERSIZE, (long)config->recvpersecond);
836
837 /* size of uploaded file: */
838 if(uploadfilesize != -1)
839 my_setopt(curl, CURLOPT_INFILESIZE_LARGE, uploadfilesize);
840 my_setopt_str(curl, CURLOPT_URL, this_url); /* what to fetch */
841 my_setopt(curl, CURLOPT_NOPROGRESS, global->noprogress?1L:0L);
842 if(config->no_body) {
843 my_setopt(curl, CURLOPT_NOBODY, 1L);
844 my_setopt(curl, CURLOPT_HEADER, 1L);
845 }
846 /* If --metalink is used, we ignore --include (headers in
847 output) option because mixing headers to the body will
848 confuse XML parser and/or hash check will fail. */
849 else if(!config->use_metalink)
850 my_setopt(curl, CURLOPT_HEADER, config->include_headers?1L:0L);
851
852 if(config->oauth_bearer)
853 my_setopt_str(curl, CURLOPT_XOAUTH2_BEARER, config->oauth_bearer);
854
855 #if !defined(CURL_DISABLE_PROXY)
856 {
857 /* TODO: Make this a run-time check instead of compile-time one. */
858
859 my_setopt_str(curl, CURLOPT_PROXY, config->proxy);
860 my_setopt_str(curl, CURLOPT_PROXYUSERPWD, config->proxyuserpwd);
861
862 /* new in libcurl 7.3 */
863 my_setopt(curl, CURLOPT_HTTPPROXYTUNNEL, config->proxytunnel?1L:0L);
864
865 /* new in libcurl 7.5 */
866 if(config->proxy)
867 my_setopt_enum(curl, CURLOPT_PROXYTYPE, (long)config->proxyver);
868
869 /* new in libcurl 7.10 */
870 if(config->socksproxy) {
871 my_setopt_str(curl, CURLOPT_PROXY, config->socksproxy);
872 my_setopt_enum(curl, CURLOPT_PROXYTYPE, (long)config->socksver);
873 }
874
875 /* new in libcurl 7.10.6 */
876 if(config->proxyanyauth)
877 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
878 (long)CURLAUTH_ANY);
879 else if(config->proxynegotiate)
880 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
881 (long)CURLAUTH_GSSNEGOTIATE);
882 else if(config->proxyntlm)
883 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
884 (long)CURLAUTH_NTLM);
885 else if(config->proxydigest)
886 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
887 (long)CURLAUTH_DIGEST);
888 else if(config->proxybasic)
889 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
890 (long)CURLAUTH_BASIC);
891
892 /* new in libcurl 7.19.4 */
893 my_setopt_str(curl, CURLOPT_NOPROXY, config->noproxy);
894 }
895 #endif
896
897 my_setopt(curl, CURLOPT_FAILONERROR, config->failonerror?1L:0L);
898 my_setopt(curl, CURLOPT_UPLOAD, uploadfile?1L:0L);
899 my_setopt(curl, CURLOPT_DIRLISTONLY, config->dirlistonly?1L:0L);
900 my_setopt(curl, CURLOPT_APPEND, config->ftp_append?1L:0L);
901
902 if(config->netrc_opt)
903 my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_OPTIONAL);
904 else if(config->netrc || config->netrc_file)
905 my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_REQUIRED);
906 else
907 my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_IGNORED);
908
909 if(config->netrc_file)
910 my_setopt_str(curl, CURLOPT_NETRC_FILE, config->netrc_file);
911
912 my_setopt(curl, CURLOPT_TRANSFERTEXT, config->use_ascii?1L:0L);
913 if(config->login_options)
914 my_setopt_str(curl, CURLOPT_LOGIN_OPTIONS, config->login_options);
915 my_setopt_str(curl, CURLOPT_USERPWD, config->userpwd);
916 my_setopt_str(curl, CURLOPT_RANGE, config->range);
917 my_setopt(curl, CURLOPT_ERRORBUFFER, errorbuffer);
918 my_setopt(curl, CURLOPT_TIMEOUT_MS, (long)(config->timeout * 1000));
919
920 if(built_in_protos & CURLPROTO_HTTP) {
921
922 long postRedir = 0;
923
924 my_setopt(curl, CURLOPT_FOLLOWLOCATION,
925 config->followlocation?1L:0L);
926 my_setopt(curl, CURLOPT_UNRESTRICTED_AUTH,
927 config->unrestricted_auth?1L:0L);
928
929 switch(config->httpreq) {
930 case HTTPREQ_SIMPLEPOST:
931 my_setopt_str(curl, CURLOPT_POSTFIELDS,
932 config->postfields);
933 my_setopt(curl, CURLOPT_POSTFIELDSIZE_LARGE,
934 config->postfieldsize);
935 break;
936 case HTTPREQ_FORMPOST:
937 my_setopt_httppost(curl, CURLOPT_HTTPPOST, config->httppost);
938 break;
939 default:
940 break;
941 }
942
943 my_setopt_str(curl, CURLOPT_REFERER, config->referer);
944 my_setopt(curl, CURLOPT_AUTOREFERER, config->autoreferer?1L:0L);
945 my_setopt_str(curl, CURLOPT_USERAGENT, config->useragent);
946 my_setopt_slist(curl, CURLOPT_HTTPHEADER, config->headers);
947
948 /* new in libcurl 7.36.0 */
949 if(config->proxyheaders) {
950 my_setopt_slist(curl, CURLOPT_PROXYHEADER, config->proxyheaders);
951 my_setopt(curl, CURLOPT_HEADEROPT, CURLHEADER_SEPARATE);
952 }
953
954 /* new in libcurl 7.5 */
955 my_setopt(curl, CURLOPT_MAXREDIRS, config->maxredirs);
956
957 if(config->httpversion)
958 my_setopt_enum(curl, CURLOPT_HTTP_VERSION, config->httpversion);
959 else if(curlinfo->features & CURL_VERSION_HTTP2) {
960 my_setopt_enum(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2TLS);
961 }
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 result = res_setopt_str(curl, CURLOPT_CAPATH, config->capath);
1021 if(result == CURLE_NOT_BUILT_IN) {
1022 warnf(config->global, "ignoring %s, not supported by libcurl\n",
1023 capath_from_env?
1024 "SSL_CERT_DIR environment variable":"--capath");
1025 }
1026 else if(result)
1027 goto show_error;
1028 }
1029 if(config->crlfile)
1030 my_setopt_str(curl, CURLOPT_CRLFILE, config->crlfile);
1031
1032 if(config->pinnedpubkey)
1033 my_setopt_str(curl, CURLOPT_PINNEDPUBLICKEY, config->pinnedpubkey);
1034
1035 if(curlinfo->features & CURL_VERSION_SSL) {
1036 my_setopt_str(curl, CURLOPT_SSLCERT, config->cert);
1037 my_setopt_str(curl, CURLOPT_SSLCERTTYPE, config->cert_type);
1038 my_setopt_str(curl, CURLOPT_SSLKEY, config->key);
1039 my_setopt_str(curl, CURLOPT_SSLKEYTYPE, config->key_type);
1040
1041 if(config->insecure_ok) {
1042 my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
1043 my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
1044 }
1045 else {
1046 my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);
1047 /* libcurl default is strict verifyhost -> 2L */
1048 /* my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 2L); */
1049 }
1050
1051 if(config->verifystatus)
1052 my_setopt(curl, CURLOPT_SSL_VERIFYSTATUS, 1L);
1053
1054 if(config->falsestart)
1055 my_setopt(curl, CURLOPT_SSL_FALSESTART, 1L);
1056
1057 my_setopt_enum(curl, CURLOPT_SSLVERSION, config->ssl_version);
1058 }
1059 if(config->path_as_is)
1060 my_setopt(curl, CURLOPT_PATH_AS_IS, 1L);
1061
1062 if(built_in_protos & (CURLPROTO_SCP|CURLPROTO_SFTP)) {
1063 if(!config->insecure_ok) {
1064 char *home;
1065 char *file;
1066 result = CURLE_OUT_OF_MEMORY;
1067 home = homedir();
1068 if(home) {
1069 file = aprintf("%s/%sssh/known_hosts", home, DOT_CHAR);
1070 if(file) {
1071 /* new in curl 7.19.6 */
1072 result = res_setopt_str(curl, CURLOPT_SSH_KNOWNHOSTS, file);
1073 curl_free(file);
1074 if(result == CURLE_UNKNOWN_OPTION)
1075 /* libssh2 version older than 1.1.1 */
1076 result = CURLE_OK;
1077 }
1078 Curl_safefree(home);
1079 }
1080 if(result)
1081 goto show_error;
1082 }
1083 }
1084
1085 if(config->no_body || config->remote_time) {
1086 /* no body or use remote time */
1087 my_setopt(curl, CURLOPT_FILETIME, 1L);
1088 }
1089
1090 my_setopt(curl, CURLOPT_CRLF, config->crlf?1L:0L);
1091 my_setopt_slist(curl, CURLOPT_QUOTE, config->quote);
1092 my_setopt_slist(curl, CURLOPT_POSTQUOTE, config->postquote);
1093 my_setopt_slist(curl, CURLOPT_PREQUOTE, config->prequote);
1094
1095 #if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
1096 if(config->cookie)
1097 my_setopt_str(curl, CURLOPT_COOKIE, config->cookie);
1098
1099 if(config->cookiefile)
1100 my_setopt_str(curl, CURLOPT_COOKIEFILE, config->cookiefile);
1101
1102 /* new in libcurl 7.9 */
1103 if(config->cookiejar)
1104 my_setopt_str(curl, CURLOPT_COOKIEJAR, config->cookiejar);
1105
1106 /* new in libcurl 7.9.7 */
1107 my_setopt(curl, CURLOPT_COOKIESESSION, config->cookiesession?1L:0L);
1108 #else
1109 if(config->cookie || config->cookiefile || config->cookiejar) {
1110 warnf(config->global, "cookie option(s) used even though cookie "
1111 "support is disabled!\n");
1112 return CURLE_NOT_BUILT_IN;
1113 }
1114 #endif
1115
1116 my_setopt_enum(curl, CURLOPT_TIMECONDITION, (long)config->timecond);
1117 my_setopt(curl, CURLOPT_TIMEVALUE, (long)config->condtime);
1118 my_setopt_str(curl, CURLOPT_CUSTOMREQUEST, config->customrequest);
1119 customrequest_helper(config, config->httpreq, config->customrequest);
1120 my_setopt(curl, CURLOPT_STDERR, global->errors);
1121
1122 /* three new ones in libcurl 7.3: */
1123 my_setopt_str(curl, CURLOPT_INTERFACE, config->iface);
1124 my_setopt_str(curl, CURLOPT_KRBLEVEL, config->krblevel);
1125
1126 progressbarinit(&progressbar, config);
1127 if((global->progressmode == CURL_PROGRESS_BAR) &&
1128 !global->noprogress && !global->mute) {
1129 /* we want the alternative style, then we have to implement it
1130 ourselves! */
1131 my_setopt(curl, CURLOPT_XFERINFOFUNCTION, tool_progress_cb);
1132 my_setopt(curl, CURLOPT_XFERINFODATA, &progressbar);
1133 }
1134
1135 /* new in libcurl 7.24.0: */
1136 if(config->dns_servers)
1137 my_setopt_str(curl, CURLOPT_DNS_SERVERS, config->dns_servers);
1138
1139 /* new in libcurl 7.33.0: */
1140 if(config->dns_interface)
1141 my_setopt_str(curl, CURLOPT_DNS_INTERFACE, config->dns_interface);
1142 if(config->dns_ipv4_addr)
1143 my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP4, config->dns_ipv4_addr);
1144 if(config->dns_ipv6_addr)
1145 my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP6, config->dns_ipv6_addr);
1146
1147 /* new in libcurl 7.6.2: */
1148 my_setopt_slist(curl, CURLOPT_TELNETOPTIONS, config->telnet_options);
1149
1150 /* new in libcurl 7.7: */
1151 my_setopt_str(curl, CURLOPT_RANDOM_FILE, config->random_file);
1152 my_setopt_str(curl, CURLOPT_EGDSOCKET, config->egd_file);
1153 my_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS,
1154 (long)(config->connecttimeout * 1000));
1155
1156 if(config->cipher_list)
1157 my_setopt_str(curl, CURLOPT_SSL_CIPHER_LIST, config->cipher_list);
1158
1159 /* new in libcurl 7.9.2: */
1160 if(config->disable_epsv)
1161 /* disable it */
1162 my_setopt(curl, CURLOPT_FTP_USE_EPSV, 0L);
1163
1164 /* new in libcurl 7.10.5 */
1165 if(config->disable_eprt)
1166 /* disable it */
1167 my_setopt(curl, CURLOPT_FTP_USE_EPRT, 0L);
1168
1169 if(global->tracetype != TRACE_NONE) {
1170 my_setopt(curl, CURLOPT_DEBUGFUNCTION, tool_debug_cb);
1171 my_setopt(curl, CURLOPT_DEBUGDATA, config);
1172 my_setopt(curl, CURLOPT_VERBOSE, 1L);
1173 }
1174
1175 /* new in curl 7.9.3 */
1176 if(config->engine) {
1177 result = res_setopt_str(curl, CURLOPT_SSLENGINE, config->engine);
1178 if(result)
1179 goto show_error;
1180 my_setopt(curl, CURLOPT_SSLENGINE_DEFAULT, 1L);
1181 }
1182
1183 /* new in curl 7.10.7, extended in 7.19.4. Modified to use
1184 CREATE_DIR_RETRY in 7.49.0 */
1185 my_setopt(curl, CURLOPT_FTP_CREATE_MISSING_DIRS,
1186 (long)(config->ftp_create_dirs?
1187 CURLFTP_CREATE_DIR_RETRY:
1188 CURLFTP_CREATE_DIR_NONE));
1189
1190 /* new in curl 7.10.8 */
1191 if(config->max_filesize)
1192 my_setopt(curl, CURLOPT_MAXFILESIZE_LARGE,
1193 config->max_filesize);
1194
1195 if(4 == config->ip_version)
1196 my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
1197 else if(6 == config->ip_version)
1198 my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6);
1199 else
1200 my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_WHATEVER);
1201
1202 /* new in curl 7.15.5 */
1203 if(config->ftp_ssl_reqd)
1204 my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
1205
1206 /* new in curl 7.11.0 */
1207 else if(config->ftp_ssl)
1208 my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_TRY);
1209
1210 /* new in curl 7.16.0 */
1211 else if(config->ftp_ssl_control)
1212 my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_CONTROL);
1213
1214 /* new in curl 7.16.1 */
1215 if(config->ftp_ssl_ccc)
1216 my_setopt_enum(curl, CURLOPT_FTP_SSL_CCC,
1217 (long)config->ftp_ssl_ccc_mode);
1218
1219 /* new in curl 7.19.4 */
1220 if(config->socks5_gssapi_nec)
1221 my_setopt_str(curl, CURLOPT_SOCKS5_GSSAPI_NEC,
1222 config->socks5_gssapi_nec);
1223
1224 /* new in curl 7.43.0 */
1225 if(config->proxy_service_name)
1226 my_setopt_str(curl, CURLOPT_PROXY_SERVICE_NAME,
1227 config->proxy_service_name);
1228
1229 /* new in curl 7.43.0 */
1230 if(config->service_name)
1231 my_setopt_str(curl, CURLOPT_SERVICE_NAME,
1232 config->service_name);
1233
1234 /* curl 7.13.0 */
1235 my_setopt_str(curl, CURLOPT_FTP_ACCOUNT, config->ftp_account);
1236
1237 my_setopt(curl, CURLOPT_IGNORE_CONTENT_LENGTH, config->ignorecl?1L:0L);
1238
1239 /* curl 7.14.2 */
1240 my_setopt(curl, CURLOPT_FTP_SKIP_PASV_IP, config->ftp_skip_ip?1L:0L);
1241
1242 /* curl 7.15.1 */
1243 my_setopt(curl, CURLOPT_FTP_FILEMETHOD, (long)config->ftp_filemethod);
1244
1245 /* curl 7.15.2 */
1246 if(config->localport) {
1247 my_setopt(curl, CURLOPT_LOCALPORT, (long)config->localport);
1248 my_setopt_str(curl, CURLOPT_LOCALPORTRANGE,
1249 (long)config->localportrange);
1250 }
1251
1252 /* curl 7.15.5 */
1253 my_setopt_str(curl, CURLOPT_FTP_ALTERNATIVE_TO_USER,
1254 config->ftp_alternative_to_user);
1255
1256 /* curl 7.16.0 */
1257 if(config->disable_sessionid)
1258 /* disable it */
1259 my_setopt(curl, CURLOPT_SSL_SESSIONID_CACHE, 0L);
1260
1261 /* curl 7.16.2 */
1262 if(config->raw) {
1263 my_setopt(curl, CURLOPT_HTTP_CONTENT_DECODING, 0L);
1264 my_setopt(curl, CURLOPT_HTTP_TRANSFER_DECODING, 0L);
1265 }
1266
1267 /* curl 7.17.1 */
1268 if(!config->nokeepalive) {
1269 my_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
1270 if(config->alivetime != 0) {
1271 my_setopt(curl, CURLOPT_TCP_KEEPIDLE, config->alivetime);
1272 my_setopt(curl, CURLOPT_TCP_KEEPINTVL, config->alivetime);
1273 }
1274 }
1275 else
1276 my_setopt(curl, CURLOPT_TCP_KEEPALIVE, 0L);
1277
1278 /* curl 7.20.0 */
1279 if(config->tftp_blksize)
1280 my_setopt(curl, CURLOPT_TFTP_BLKSIZE, config->tftp_blksize);
1281
1282 if(config->mail_from)
1283 my_setopt_str(curl, CURLOPT_MAIL_FROM, config->mail_from);
1284
1285 if(config->mail_rcpt)
1286 my_setopt_slist(curl, CURLOPT_MAIL_RCPT, config->mail_rcpt);
1287
1288 /* curl 7.20.x */
1289 if(config->ftp_pret)
1290 my_setopt(curl, CURLOPT_FTP_USE_PRET, 1L);
1291
1292 if(config->proto_present)
1293 my_setopt_flags(curl, CURLOPT_PROTOCOLS, config->proto);
1294 if(config->proto_redir_present)
1295 my_setopt_flags(curl, CURLOPT_REDIR_PROTOCOLS, config->proto_redir);
1296
1297 if(config->content_disposition
1298 && (urlnode->flags & GETOUT_USEREMOTE))
1299 hdrcbdata.honor_cd_filename = TRUE;
1300 else
1301 hdrcbdata.honor_cd_filename = FALSE;
1302
1303 hdrcbdata.outs = &outs;
1304 hdrcbdata.heads = &heads;
1305
1306 my_setopt(curl, CURLOPT_HEADERFUNCTION, tool_header_cb);
1307 my_setopt(curl, CURLOPT_HEADERDATA, &hdrcbdata);
1308
1309 if(config->resolve)
1310 /* new in 7.21.3 */
1311 my_setopt_slist(curl, CURLOPT_RESOLVE, config->resolve);
1312
1313 if(config->connect_to)
1314 /* new in 7.49.0 */
1315 my_setopt_slist(curl, CURLOPT_CONNECT_TO, config->connect_to);
1316
1317 /* new in 7.21.4 */
1318 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) {
1319 if(config->tls_username)
1320 my_setopt_str(curl, CURLOPT_TLSAUTH_USERNAME,
1321 config->tls_username);
1322 if(config->tls_password)
1323 my_setopt_str(curl, CURLOPT_TLSAUTH_PASSWORD,
1324 config->tls_password);
1325 if(config->tls_authtype)
1326 my_setopt_str(curl, CURLOPT_TLSAUTH_TYPE,
1327 config->tls_authtype);
1328 }
1329
1330 /* new in 7.22.0 */
1331 if(config->gssapi_delegation)
1332 my_setopt_str(curl, CURLOPT_GSSAPI_DELEGATION,
1333 config->gssapi_delegation);
1334
1335 /* new in 7.25.0 and 7.44.0 */
1336 {
1337 long mask = (config->ssl_allow_beast ? CURLSSLOPT_ALLOW_BEAST : 0) |
1338 (config->ssl_no_revoke ? CURLSSLOPT_NO_REVOKE : 0);
1339 if(mask)
1340 my_setopt_bitmask(curl, CURLOPT_SSL_OPTIONS, mask);
1341 }
1342
1343 if(config->mail_auth)
1344 my_setopt_str(curl, CURLOPT_MAIL_AUTH, config->mail_auth);
1345
1346 /* new in 7.31.0 */
1347 if(config->sasl_ir)
1348 my_setopt(curl, CURLOPT_SASL_IR, 1L);
1349
1350 if(config->nonpn) {
1351 my_setopt(curl, CURLOPT_SSL_ENABLE_NPN, 0L);
1352 }
1353
1354 if(config->noalpn) {
1355 my_setopt(curl, CURLOPT_SSL_ENABLE_ALPN, 0L);
1356 }
1357
1358 /* new in 7.40.0 */
1359 if(config->unix_socket_path)
1360 my_setopt_str(curl, CURLOPT_UNIX_SOCKET_PATH,
1361 config->unix_socket_path);
1362
1363 /* new in 7.45.0 */
1364 if(config->proto_default)
1365 my_setopt_str(curl, CURLOPT_DEFAULT_PROTOCOL, config->proto_default);
1366
1367 /* new in 7.47.0 */
1368 if(config->expect100timeout > 0)
1369 my_setopt_str(curl, CURLOPT_EXPECT_100_TIMEOUT_MS,
1370 (long)(config->expect100timeout*1000));
1371
1372 /* new in 7.48.0 */
1373 if(config->tftp_no_options)
1374 my_setopt(curl, CURLOPT_TFTP_NO_OPTIONS, 1L);
1375
1376 /* initialize retry vars for loop below */
1377 retry_sleep_default = (config->retry_delay) ?
1378 config->retry_delay*1000L : RETRY_SLEEP_DEFAULT; /* ms */
1379
1380 retry_numretries = config->req_retry;
1381 retry_sleep = retry_sleep_default; /* ms */
1382 retrystart = tvnow();
1383
1384 #ifndef CURL_DISABLE_LIBCURL_OPTION
1385 if(global->libcurl) {
1386 result = easysrc_perform();
1387 if(result)
1388 goto show_error;
1389 }
1390 #endif
1391
1392 for(;;) {
1393 #ifdef USE_METALINK
1394 if(!metalink && config->use_metalink) {
1395 /* If outs.metalink_parser is non-NULL, delete it first. */
1396 if(outs.metalink_parser)
1397 metalink_parser_context_delete(outs.metalink_parser);
1398 outs.metalink_parser = metalink_parser_context_new();
1399 if(outs.metalink_parser == NULL) {
1400 result = CURLE_OUT_OF_MEMORY;
1401 goto show_error;
1402 }
1403 fprintf(config->global->errors,
1404 "Metalink: parsing (%s) metalink/XML...\n", this_url);
1405 }
1406 else if(metalink)
1407 fprintf(config->global->errors,
1408 "Metalink: fetching (%s) from (%s)...\n",
1409 mlfile->filename, this_url);
1410 #endif /* USE_METALINK */
1411
1412 #ifdef CURLDEBUG
1413 if(config->test_event_based)
1414 result = curl_easy_perform_ev(curl);
1415 else
1416 #endif
1417 result = curl_easy_perform(curl);
1418
1419 if(!result && !outs.stream && !outs.bytes) {
1420 /* we have received no data despite the transfer was successful
1421 ==> force cration of an empty output file (if an output file
1422 was specified) */
1423 long cond_unmet = 0L;
1424 /* do not create (or even overwrite) the file in case we get no
1425 data because of unmet condition */
1426 curl_easy_getinfo(curl, CURLINFO_CONDITION_UNMET, &cond_unmet);
1427 if(!cond_unmet && !tool_create_output_file(&outs))
1428 result = CURLE_WRITE_ERROR;
1429 }
1430
1431 if(outs.is_cd_filename && outs.stream && !global->mute &&
1432 outs.filename)
1433 printf("curl: Saved to filename '%s'\n", outs.filename);
1434
1435 /* if retry-max-time is non-zero, make sure we haven't exceeded the
1436 time */
1437 if(retry_numretries &&
1438 (!config->retry_maxtime ||
1439 (tvdiff(tvnow(), retrystart) <
1440 config->retry_maxtime*1000L)) ) {
1441 enum {
1442 RETRY_NO,
1443 RETRY_TIMEOUT,
1444 RETRY_HTTP,
1445 RETRY_FTP,
1446 RETRY_LAST /* not used */
1447 } retry = RETRY_NO;
1448 long response;
1449 if((CURLE_OPERATION_TIMEDOUT == result) ||
1450 (CURLE_COULDNT_RESOLVE_HOST == result) ||
1451 (CURLE_COULDNT_RESOLVE_PROXY == result) ||
1452 (CURLE_FTP_ACCEPT_TIMEOUT == result))
1453 /* retry timeout always */
1454 retry = RETRY_TIMEOUT;
1455 else if((CURLE_OK == result) ||
1456 (config->failonerror &&
1457 (CURLE_HTTP_RETURNED_ERROR == result))) {
1458 /* If it returned OK. _or_ failonerror was enabled and it
1459 returned due to such an error, check for HTTP transient
1460 errors to retry on. */
1461 char *effective_url = NULL;
1462 curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &effective_url);
1463 if(effective_url &&
1464 checkprefix("http", effective_url)) {
1465 /* This was HTTP(S) */
1466 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
1467
1468 switch(response) {
1469 case 500: /* Internal Server Error */
1470 case 502: /* Bad Gateway */
1471 case 503: /* Service Unavailable */
1472 case 504: /* Gateway Timeout */
1473 retry = RETRY_HTTP;
1474 /*
1475 * At this point, we have already written data to the output
1476 * file (or terminal). If we write to a file, we must rewind
1477 * or close/re-open the file so that the next attempt starts
1478 * over from the beginning.
1479 *
1480 * TODO: similar action for the upload case. We might need
1481 * to start over reading from a previous point if we have
1482 * uploaded something when this was returned.
1483 */
1484 break;
1485 }
1486 }
1487 } /* if CURLE_OK */
1488 else if(result) {
1489 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
1490
1491 if(response/100 == 4)
1492 /*
1493 * This is typically when the FTP server only allows a certain
1494 * amount of users and we are not one of them. All 4xx codes
1495 * are transient.
1496 */
1497 retry = RETRY_FTP;
1498 }
1499
1500 if(retry) {
1501 static const char * const m[]={
1502 NULL, "timeout", "HTTP error", "FTP error"
1503 };
1504
1505 warnf(config->global, "Transient problem: %s "
1506 "Will retry in %ld seconds. "
1507 "%ld retries left.\n",
1508 m[retry], retry_sleep/1000L, retry_numretries);
1509
1510 tool_go_sleep(retry_sleep);
1511 retry_numretries--;
1512 if(!config->retry_delay) {
1513 retry_sleep *= 2;
1514 if(retry_sleep > RETRY_SLEEP_MAX)
1515 retry_sleep = RETRY_SLEEP_MAX;
1516 }
1517 if(outs.bytes && outs.filename && outs.stream) {
1518 /* We have written data to a output file, we truncate file
1519 */
1520 if(!global->mute)
1521 fprintf(global->errors, "Throwing away %"
1522 CURL_FORMAT_CURL_OFF_T " bytes\n",
1523 outs.bytes);
1524 fflush(outs.stream);
1525 /* truncate file at the position where we started appending */
1526 #ifdef HAVE_FTRUNCATE
1527 if(ftruncate(fileno(outs.stream), outs.init)) {
1528 /* when truncate fails, we can't just append as then we'll
1529 create something strange, bail out */
1530 if(!global->mute)
1531 fprintf(global->errors,
1532 "failed to truncate, exiting\n");
1533 result = CURLE_WRITE_ERROR;
1534 goto quit_urls;
1535 }
1536 /* now seek to the end of the file, the position where we
1537 just truncated the file in a large file-safe way */
1538 fseek(outs.stream, 0, SEEK_END);
1539 #else
1540 /* ftruncate is not available, so just reposition the file
1541 to the location we would have truncated it. This won't
1542 work properly with large files on 32-bit systems, but
1543 most of those will have ftruncate. */
1544 fseek(outs.stream, (long)outs.init, SEEK_SET);
1545 #endif
1546 outs.bytes = 0; /* clear for next round */
1547 }
1548 continue; /* curl_easy_perform loop */
1549 }
1550 } /* if retry_numretries */
1551 else if(metalink) {
1552 /* Metalink: Decide to try the next resource or
1553 not. Basically, we want to try the next resource if
1554 download was not successful. */
1555 long response;
1556 if(CURLE_OK == result) {
1557 /* TODO We want to try next resource when download was
1558 not successful. How to know that? */
1559 char *effective_url = NULL;
1560 curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &effective_url);
1561 if(effective_url &&
1562 curlx_strnequal(effective_url, "http", 4)) {
1563 /* This was HTTP(S) */
1564 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
1565 if(response != 200 && response != 206) {
1566 metalink_next_res = 1;
1567 fprintf(global->errors,
1568 "Metalink: fetching (%s) from (%s) FAILED "
1569 "(HTTP status code %d)\n",
1570 mlfile->filename, this_url, response);
1571 }
1572 }
1573 }
1574 else {
1575 metalink_next_res = 1;
1576 fprintf(global->errors,
1577 "Metalink: fetching (%s) from (%s) FAILED (%s)\n",
1578 mlfile->filename, this_url,
1579 (errorbuffer[0]) ?
1580 errorbuffer : curl_easy_strerror(result));
1581 }
1582 }
1583 if(metalink && !metalink_next_res)
1584 fprintf(global->errors, "Metalink: fetching (%s) from (%s) OK\n",
1585 mlfile->filename, this_url);
1586
1587 /* In all ordinary cases, just break out of loop here */
1588 break; /* curl_easy_perform loop */
1589
1590 }
1591
1592 if((global->progressmode == CURL_PROGRESS_BAR) &&
1593 progressbar.calls)
1594 /* if the custom progress bar has been displayed, we output a
1595 newline here */
1596 fputs("\n", progressbar.out);
1597
1598 if(config->writeout)
1599 ourWriteOut(curl, &outs, config->writeout);
1600
1601 if(config->writeenv)
1602 ourWriteEnv(curl);
1603
1604 /*
1605 ** Code within this loop may jump directly here to label 'show_error'
1606 ** in order to display an error message for CURLcode stored in 'res'
1607 ** variable and exit loop once that necessary writing and cleanup
1608 ** in label 'quit_urls' has been done.
1609 */
1610
1611 show_error:
1612
1613 #ifdef __VMS
1614 if(is_vms_shell()) {
1615 /* VMS DCL shell behavior */
1616 if(!global->showerror)
1617 vms_show = VMSSTS_HIDE;
1618 }
1619 else
1620 #endif
1621 if(result && global->showerror) {
1622 fprintf(global->errors, "curl: (%d) %s\n", result, (errorbuffer[0]) ?
1623 errorbuffer : curl_easy_strerror(result));
1624 if(result == CURLE_SSL_CACERT)
1625 fprintf(global->errors, "%s%s",
1626 CURL_CA_CERT_ERRORMSG1, CURL_CA_CERT_ERRORMSG2);
1627 }
1628
1629 /* Fall through comment to 'quit_urls' label */
1630
1631 /*
1632 ** Upon error condition and always that a message has already been
1633 ** displayed, code within this loop may jump directly here to label
1634 ** 'quit_urls' otherwise it should jump to 'show_error' label above.
1635 **
1636 ** When 'res' variable is _not_ CURLE_OK loop will exit once that
1637 ** all code following 'quit_urls' has been executed. Otherwise it
1638 ** will loop to the beginning from where it may exit if there are
1639 ** no more urls left.
1640 */
1641
1642 quit_urls:
1643
1644 /* Set file extended attributes */
1645 if(!result && config->xattr && outs.fopened && outs.stream) {
1646 int rc = fwrite_xattr(curl, fileno(outs.stream));
1647 if(rc)
1648 warnf(config->global, "Error setting extended attributes: %s\n",
1649 strerror(errno));
1650 }
1651
1652 /* Close the file */
1653 if(outs.fopened && outs.stream) {
1654 int rc = fclose(outs.stream);
1655 if(!result && rc) {
1656 /* something went wrong in the writing process */
1657 result = CURLE_WRITE_ERROR;
1658 fprintf(global->errors, "(%d) Failed writing body\n", result);
1659 }
1660 }
1661 else if(!outs.s_isreg && outs.stream) {
1662 /* Dump standard stream buffered data */
1663 int rc = fflush(outs.stream);
1664 if(!result && rc) {
1665 /* something went wrong in the writing process */
1666 result = CURLE_WRITE_ERROR;
1667 fprintf(global->errors, "(%d) Failed writing body\n", result);
1668 }
1669 }
1670
1671 #ifdef __AMIGA__
1672 if(!result && outs.s_isreg && outs.filename) {
1673 /* Set the url (up to 80 chars) as comment for the file */
1674 if(strlen(url) > 78)
1675 url[79] = '\0';
1676 SetComment(outs.filename, url);
1677 }
1678 #endif
1679
1680 #ifdef HAVE_UTIME
1681 /* File time can only be set _after_ the file has been closed */
1682 if(!result && config->remote_time && outs.s_isreg && outs.filename) {
1683 /* Ask libcurl if we got a remote file time */
1684 long filetime = -1;
1685 curl_easy_getinfo(curl, CURLINFO_FILETIME, &filetime);
1686 if(filetime >= 0) {
1687 struct utimbuf times;
1688 times.actime = (time_t)filetime;
1689 times.modtime = (time_t)filetime;
1690 utime(outs.filename, ×); /* set the time we got */
1691 }
1692 }
1693 #endif
1694
1695 #ifdef USE_METALINK
1696 if(!metalink && config->use_metalink && result == CURLE_OK) {
1697 int rv = parse_metalink(config, &outs, this_url);
1698 if(rv == 0)
1699 fprintf(config->global->errors, "Metalink: parsing (%s) OK\n",
1700 this_url);
1701 else if(rv == -1)
1702 fprintf(config->global->errors, "Metalink: parsing (%s) FAILED\n",
1703 this_url);
1704 }
1705 else if(metalink && result == CURLE_OK && !metalink_next_res) {
1706 int rv = metalink_check_hash(global, mlfile, outs.filename);
1707 if(rv == 0) {
1708 metalink_next_res = 1;
1709 }
1710 }
1711 #endif /* USE_METALINK */
1712
1713 /* No more business with this output struct */
1714 if(outs.alloc_filename)
1715 Curl_safefree(outs.filename);
1716 #ifdef USE_METALINK
1717 if(outs.metalink_parser)
1718 metalink_parser_context_delete(outs.metalink_parser);
1719 #endif /* USE_METALINK */
1720 memset(&outs, 0, sizeof(struct OutStruct));
1721 hdrcbdata.outs = NULL;
1722
1723 /* Free loop-local allocated memory and close loop-local opened fd */
1724
1725 Curl_safefree(outfile);
1726 Curl_safefree(this_url);
1727
1728 if(infdopen)
1729 close(infd);
1730
1731 if(metalink) {
1732 /* Should exit if error is fatal. */
1733 if(is_fatal_error(result)) {
1734 break;
1735 }
1736 if(!metalink_next_res)
1737 break;
1738 mlres = mlres->next;
1739 if(mlres == NULL)
1740 /* TODO If metalink_next_res is 1 and mlres is NULL,
1741 * set res to error code
1742 */
1743 break;
1744 }
1745 else
1746 if(urlnum > 1) {
1747 /* when url globbing, exit loop upon critical error */
1748 if(is_fatal_error(result))
1749 break;
1750 }
1751 else if(result)
1752 /* when not url globbing, exit loop upon any error */
1753 break;
1754
1755 } /* loop to the next URL */
1756
1757 /* Free loop-local allocated memory */
1758
1759 Curl_safefree(uploadfile);
1760
1761 if(urls) {
1762 /* Free list of remaining URLs */
1763 glob_cleanup(urls);
1764 urls = NULL;
1765 }
1766
1767 if(infilenum > 1) {
1768 /* when file globbing, exit loop upon critical error */
1769 if(is_fatal_error(result))
1770 break;
1771 }
1772 else if(result)
1773 /* when not file globbing, exit loop upon any error */
1774 break;
1775
1776 } /* loop to the next globbed upload file */
1777
1778 /* Free loop-local allocated memory */
1779
1780 Curl_safefree(outfiles);
1781
1782 if(inglob) {
1783 /* Free list of globbed upload files */
1784 glob_cleanup(inglob);
1785 inglob = NULL;
1786 }
1787
1788 /* Free this URL node data without destroying the
1789 the node itself nor modifying next pointer. */
1790 Curl_safefree(urlnode->url);
1791 Curl_safefree(urlnode->outfile);
1792 Curl_safefree(urlnode->infile);
1793 urlnode->flags = 0;
1794
1795 /*
1796 ** Bail out upon critical errors
1797 */
1798 if(is_fatal_error(result))
1799 goto quit_curl;
1800
1801 } /* for-loop through all URLs */
1802
1803 /*
1804 ** Nested loops end here.
1805 */
1806
1807 quit_curl:
1808
1809 /* Reset the global config variables */
1810 global->noprogress = orig_noprogress;
1811 global->isatty = orig_isatty;
1812
1813 /* Free function-local referenced allocated memory */
1814 Curl_safefree(httpgetfields);
1815
1816 /* Free list of given URLs */
1817 clean_getout(config);
1818
1819 hdrcbdata.heads = NULL;
1820
1821 /* Close function-local opened file descriptors */
1822 if(heads.fopened && heads.stream)
1823 fclose(heads.stream);
1824
1825 if(heads.alloc_filename)
1826 Curl_safefree(heads.filename);
1827
1828 /* Release metalink related resources here */
1829 clean_metalink(config);
1830
1831 return result;
1832 }
1833
operate(struct GlobalConfig * config,int argc,argv_item_t argv[])1834 CURLcode operate(struct GlobalConfig *config, int argc, argv_item_t argv[])
1835 {
1836 CURLcode result = CURLE_OK;
1837
1838 /* Setup proper locale from environment */
1839 #ifdef HAVE_SETLOCALE
1840 setlocale(LC_ALL, "");
1841 #endif
1842
1843 /* Parse .curlrc if necessary */
1844 if((argc == 1) ||
1845 (!curlx_strequal(argv[1], "-q") &&
1846 !curlx_strequal(argv[1], "--disable"))) {
1847 parseconfig(NULL, config); /* ignore possible failure */
1848
1849 /* If we had no arguments then make sure a url was specified in .curlrc */
1850 if((argc < 2) && (!config->first->url_list)) {
1851 helpf(config->errors, NULL);
1852 result = CURLE_FAILED_INIT;
1853 }
1854 }
1855
1856 if(!result) {
1857 /* Parse the command line arguments */
1858 ParameterError res = parse_args(config, argc, argv);
1859 if(res) {
1860 result = CURLE_OK;
1861
1862 /* Check if we were asked for the help */
1863 if(res == PARAM_HELP_REQUESTED)
1864 tool_help();
1865 /* Check if we were asked for the manual */
1866 else if(res == PARAM_MANUAL_REQUESTED)
1867 hugehelp();
1868 /* Check if we were asked for the version information */
1869 else if(res == PARAM_VERSION_INFO_REQUESTED)
1870 tool_version_info();
1871 /* Check if we were asked to list the SSL engines */
1872 else if(res == PARAM_ENGINES_REQUESTED)
1873 tool_list_engines(config->easy);
1874 else if(res == PARAM_LIBCURL_UNSUPPORTED_PROTOCOL)
1875 result = CURLE_UNSUPPORTED_PROTOCOL;
1876 else
1877 result = CURLE_FAILED_INIT;
1878 }
1879 else {
1880 #ifndef CURL_DISABLE_LIBCURL_OPTION
1881 if(config->libcurl) {
1882 /* Initialise the libcurl source output */
1883 result = easysrc_init();
1884 }
1885 #endif
1886
1887 /* Perform the main operations */
1888 if(!result) {
1889 size_t count = 0;
1890 struct OperationConfig *operation = config->first;
1891
1892 /* Get the required aguments for each operation */
1893 while(!result && operation) {
1894 result = get_args(operation, count++);
1895
1896 operation = operation->next;
1897 }
1898
1899 /* Set the current operation pointer */
1900 config->current = config->first;
1901
1902 /* Perform each operation */
1903 while(!result && config->current) {
1904 result = operate_do(config, config->current);
1905
1906 config->current = config->current->next;
1907 }
1908
1909 #ifndef CURL_DISABLE_LIBCURL_OPTION
1910 if(config->libcurl) {
1911 /* Cleanup the libcurl source output */
1912 easysrc_cleanup();
1913
1914 /* Dump the libcurl code if previously enabled */
1915 dumpeasysrc(config);
1916 }
1917 #endif
1918 }
1919 else
1920 helpf(config->errors, "out of memory\n");
1921 }
1922 }
1923
1924 return result;
1925 }
1926