1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2019, 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_LOCALE_H
29# include <locale.h>
30#endif
31
32#ifdef HAVE_SYS_SELECT_H
33# include <sys/select.h>
34#endif
35
36#ifdef __VMS
37# include <fabdef.h>
38#endif
39
40#ifdef __AMIGA__
41# include <proto/dos.h>
42#endif
43
44#include "strcase.h"
45
46#define ENABLE_CURLX_PRINTF
47/* use our own printf() functions */
48#include "curlx.h"
49
50#include "tool_binmode.h"
51#include "tool_cfgable.h"
52#include "tool_cb_dbg.h"
53#include "tool_cb_hdr.h"
54#include "tool_cb_prg.h"
55#include "tool_cb_rea.h"
56#include "tool_cb_see.h"
57#include "tool_cb_wrt.h"
58#include "tool_dirhie.h"
59#include "tool_doswin.h"
60#include "tool_easysrc.h"
61#include "tool_filetime.h"
62#include "tool_getparam.h"
63#include "tool_helpers.h"
64#include "tool_homedir.h"
65#include "tool_libinfo.h"
66#include "tool_main.h"
67#include "tool_metalink.h"
68#include "tool_msgs.h"
69#include "tool_operate.h"
70#include "tool_operhlp.h"
71#include "tool_paramhlp.h"
72#include "tool_parsecfg.h"
73#include "tool_setopt.h"
74#include "tool_sleep.h"
75#include "tool_urlglob.h"
76#include "tool_util.h"
77#include "tool_writeout.h"
78#include "tool_xattr.h"
79#include "tool_vms.h"
80#include "tool_help.h"
81#include "tool_hugehelp.h"
82#include "tool_progress.h"
83
84#include "memdebug.h" /* keep this as LAST include */
85
86#ifdef CURLDEBUG
87/* libcurl's debug builds provide an extra function */
88CURLcode curl_easy_perform_ev(CURL *easy);
89#endif
90
91#define CURLseparator "--_curl_--"
92
93#ifndef O_BINARY
94/* since O_BINARY as used in bitmasks, setting it to zero makes it usable in
95 source code but yet it doesn't ruin anything */
96# define O_BINARY 0
97#endif
98
99#define CURL_CA_CERT_ERRORMSG \
100 "More details here: https://curl.haxx.se/docs/sslcerts.html\n\n" \
101 "curl failed to verify the legitimacy of the server and therefore " \
102 "could not\nestablish a secure connection to it. To learn more about " \
103 "this situation and\nhow to fix it, please visit the web page mentioned " \
104 "above.\n"
105
106static CURLcode single_transfer(struct GlobalConfig *global,
107 struct OperationConfig *config,
108 CURLSH *share,
109 bool capath_from_env,
110 bool *added);
111static CURLcode create_transfer(struct GlobalConfig *global,
112 CURLSH *share,
113 bool *added);
114
115static bool is_fatal_error(CURLcode code)
116{
117 switch(code) {
118 case CURLE_FAILED_INIT:
119 case CURLE_OUT_OF_MEMORY:
120 case CURLE_UNKNOWN_OPTION:
121 case CURLE_FUNCTION_NOT_FOUND:
122 case CURLE_BAD_FUNCTION_ARGUMENT:
123 /* critical error */
124 return TRUE;
125 default:
126 break;
127 }
128
129 /* no error or not critical */
130 return FALSE;
131}
132
133/*
134 * Check if a given string is a PKCS#11 URI
135 */
136static bool is_pkcs11_uri(const char *string)
137{
138 if(curl_strnequal(string, "pkcs11:", 7)) {
139 return TRUE;
140 }
141 else {
142 return FALSE;
143 }
144}
145
146#ifdef __VMS
147/*
148 * get_vms_file_size does what it takes to get the real size of the file
149 *
150 * For fixed files, find out the size of the EOF block and adjust.
151 *
152 * For all others, have to read the entire file in, discarding the contents.
153 * Most posted text files will be small, and binary files like zlib archives
154 * and CD/DVD images should be either a STREAM_LF format or a fixed format.
155 *
156 */
157static curl_off_t vms_realfilesize(const char *name,
158 const struct_stat *stat_buf)
159{
160 char buffer[8192];
161 curl_off_t count;
162 int ret_stat;
163 FILE * file;
164
165 /* !checksrc! disable FOPENMODE 1 */
166 file = fopen(name, "r"); /* VMS */
167 if(file == NULL) {
168 return 0;
169 }
170 count = 0;
171 ret_stat = 1;
172 while(ret_stat > 0) {
173 ret_stat = fread(buffer, 1, sizeof(buffer), file);
174 if(ret_stat != 0)
175 count += ret_stat;
176 }
177 fclose(file);
178
179 return count;
180}
181
182/*
183 *
184 * VmsSpecialSize checks to see if the stat st_size can be trusted and
185 * if not to call a routine to get the correct size.
186 *
187 */
188static curl_off_t VmsSpecialSize(const char *name,
189 const struct_stat *stat_buf)
190{
191 switch(stat_buf->st_fab_rfm) {
192 case FAB$C_VAR:
193 case FAB$C_VFC:
194 return vms_realfilesize(name, stat_buf);
195 break;
196 default:
197 return stat_buf->st_size;
198 }
199}
200#endif /* __VMS */
201
202#define BUFFER_SIZE (100*1024)
203
204struct per_transfer *transfers; /* first node */
205static struct per_transfer *transfersl; /* last node */
206
207/* add_per_transfer creates a new 'per_transfer' node in the linked
208 list of transfers */
209static CURLcode add_per_transfer(struct per_transfer **per)
210{
211 struct per_transfer *p;
212 p = calloc(sizeof(struct per_transfer), 1);
213 if(!p)
214 return CURLE_OUT_OF_MEMORY;
215 if(!transfers)
216 /* first entry */
217 transfersl = transfers = p;
218 else {
219 /* make the last node point to the new node */
220 transfersl->next = p;
221 /* make the new node point back to the formerly last node */
222 p->prev = transfersl;
223 /* move the last node pointer to the new entry */
224 transfersl = p;
225 }
226 *per = p;
227 all_xfers++; /* count total number of transfers added */
228 return CURLE_OK;
229}
230
231/* Remove the specified transfer from the list (and free it), return the next
232 in line */
233static struct per_transfer *del_per_transfer(struct per_transfer *per)
234{
235 struct per_transfer *n;
236 struct per_transfer *p;
237 DEBUGASSERT(transfers);
238 DEBUGASSERT(transfersl);
239 DEBUGASSERT(per);
240
241 n = per->next;
242 p = per->prev;
243
244 if(p)
245 p->next = n;
246 else
247 transfers = n;
248
249 if(n)
250 n->prev = p;
251 else
252 transfersl = p;
253
254 free(per);
255
256 return n;
257}
258
259static CURLcode pre_transfer(struct GlobalConfig *global,
260 struct per_transfer *per)
261{
262 curl_off_t uploadfilesize = -1;
263 struct_stat fileinfo;
264 CURLcode result = CURLE_OK;
265
266 if(per->separator_err)
267 fprintf(global->errors, "%s\n", per->separator_err);
268 if(per->separator)
269 printf("%s\n", per->separator);
270
271 if(per->uploadfile && !stdin_upload(per->uploadfile)) {
272 /* VMS Note:
273 *
274 * Reading binary from files can be a problem... Only FIXED, VAR
275 * etc WITHOUT implied CC will work Others need a \n appended to a
276 * line
277 *
278 * - Stat gives a size but this is UNRELIABLE in VMS As a f.e. a
279 * fixed file with implied CC needs to have a byte added for every
280 * record processed, this can by derived from Filesize & recordsize
281 * for VARiable record files the records need to be counted! for
282 * every record add 1 for linefeed and subtract 2 for the record
283 * header for VARIABLE header files only the bare record data needs
284 * to be considered with one appended if implied CC
285 */
286#ifdef __VMS
287 /* Calculate the real upload size for VMS */
288 per->infd = -1;
289 if(stat(per->uploadfile, &fileinfo) == 0) {
290 fileinfo.st_size = VmsSpecialSize(uploadfile, &fileinfo);
291 switch(fileinfo.st_fab_rfm) {
292 case FAB$C_VAR:
293 case FAB$C_VFC:
294 case FAB$C_STMCR:
295 per->infd = open(per->uploadfile, O_RDONLY | O_BINARY);
296 break;
297 default:
298 per->infd = open(per->uploadfile, O_RDONLY | O_BINARY,
299 "rfm=stmlf", "ctx=stm");
300 }
301 }
302 if(per->infd == -1)
303#else
304 per->infd = open(per->uploadfile, O_RDONLY | O_BINARY);
305 if((per->infd == -1) || fstat(per->infd, &fileinfo))
306#endif
307 {
308 helpf(global->errors, "Can't open '%s'!\n", per->uploadfile);
309 if(per->infd != -1) {
310 close(per->infd);
311 per->infd = STDIN_FILENO;
312 }
313 return CURLE_READ_ERROR;
314 }
315 per->infdopen = TRUE;
316
317 /* we ignore file size for char/block devices, sockets, etc. */
318 if(S_ISREG(fileinfo.st_mode))
319 uploadfilesize = fileinfo.st_size;
320
321 if(uploadfilesize != -1)
322 my_setopt(per->curl, CURLOPT_INFILESIZE_LARGE, uploadfilesize);
323 per->input.fd = per->infd;
324 }
325 return result;
326}
327
328/*
329 * Call this after a transfer has completed.
330 */
331static CURLcode post_per_transfer(struct GlobalConfig *global,
332 struct per_transfer *per,
333 CURLcode result,
334 bool *retryp)
335{
336 struct OutStruct *outs = &per->outs;
337 CURL *curl = per->curl;
338 struct OperationConfig *config = per->config;
339
340 if(!curl || !config)
341 return result;
342
343 *retryp = FALSE;
344
345 if(per->infdopen)
346 close(per->infd);
347
348#ifdef __VMS
349 if(is_vms_shell()) {
350 /* VMS DCL shell behavior */
351 if(!global->showerror)
352 vms_show = VMSSTS_HIDE;
353 }
354 else
355#endif
356 if(config->synthetic_error) {
357 ;
358 }
359 else if(result && global->showerror) {
360 fprintf(global->errors, "curl: (%d) %s\n", result,
361 (per->errorbuffer[0]) ? per->errorbuffer :
362 curl_easy_strerror(result));
363 if(result == CURLE_PEER_FAILED_VERIFICATION)
364 fputs(CURL_CA_CERT_ERRORMSG, global->errors);
365 }
366
367 /* Set file extended attributes */
368 if(!result && config->xattr && outs->fopened && outs->stream) {
369 int rc = fwrite_xattr(curl, fileno(outs->stream));
370 if(rc)
371 warnf(config->global, "Error setting extended attributes: %s\n",
372 strerror(errno));
373 }
374
375 if(!result && !outs->stream && !outs->bytes) {
376 /* we have received no data despite the transfer was successful
377 ==> force cration of an empty output file (if an output file
378 was specified) */
379 long cond_unmet = 0L;
380 /* do not create (or even overwrite) the file in case we get no
381 data because of unmet condition */
382 curl_easy_getinfo(curl, CURLINFO_CONDITION_UNMET, &cond_unmet);
383 if(!cond_unmet && !tool_create_output_file(outs))
384 result = CURLE_WRITE_ERROR;
385 }
386
387 if(!outs->s_isreg && outs->stream) {
388 /* Dump standard stream buffered data */
389 int rc = fflush(outs->stream);
390 if(!result && rc) {
391 /* something went wrong in the writing process */
392 result = CURLE_WRITE_ERROR;
393 fprintf(global->errors, "(%d) Failed writing body\n", result);
394 }
395 }
396
397#ifdef USE_METALINK
398 if(per->metalink && !per->metalink_next_res)
399 fprintf(global->errors, "Metalink: fetching (%s) from (%s) OK\n",
400 per->mlfile->filename, per->this_url);
401
402 if(!per->metalink && config->use_metalink && result == CURLE_OK) {
403 int rv = parse_metalink(config, outs, per->this_url);
404 if(!rv) {
405 fprintf(config->global->errors, "Metalink: parsing (%s) OK\n",
406 per->this_url);
407 }
408 else if(rv == -1)
409 fprintf(config->global->errors, "Metalink: parsing (%s) FAILED\n",
410 per->this_url);
411 }
412 else if(per->metalink && result == CURLE_OK && !per->metalink_next_res) {
413 int rv;
414 (void)fflush(outs->stream);
415 rv = metalink_check_hash(global, per->mlfile, outs->filename);
416 if(!rv)
417 per->metalink_next_res = 1;
418 }
419#endif /* USE_METALINK */
420
421#ifdef USE_METALINK
422 if(outs->metalink_parser)
423 metalink_parser_context_delete(outs->metalink_parser);
424#endif /* USE_METALINK */
425
426 if(outs->is_cd_filename && outs->stream && !global->mute &&
427 outs->filename)
428 printf("curl: Saved to filename '%s'\n", outs->filename);
429
430 /* if retry-max-time is non-zero, make sure we haven't exceeded the
431 time */
432 if(per->retry_numretries &&
433 (!config->retry_maxtime ||
434 (tvdiff(tvnow(), per->retrystart) <
435 config->retry_maxtime*1000L)) ) {
436 enum {
437 RETRY_NO,
438 RETRY_TIMEOUT,
439 RETRY_CONNREFUSED,
440 RETRY_HTTP,
441 RETRY_FTP,
442 RETRY_LAST /* not used */
443 } retry = RETRY_NO;
444 long response;
445 if((CURLE_OPERATION_TIMEDOUT == result) ||
446 (CURLE_COULDNT_RESOLVE_HOST == result) ||
447 (CURLE_COULDNT_RESOLVE_PROXY == result) ||
448 (CURLE_FTP_ACCEPT_TIMEOUT == result))
449 /* retry timeout always */
450 retry = RETRY_TIMEOUT;
451 else if(config->retry_connrefused &&
452 (CURLE_COULDNT_CONNECT == result)) {
453 long oserrno;
454 curl_easy_getinfo(curl, CURLINFO_OS_ERRNO, &oserrno);
455 if(ECONNREFUSED == oserrno)
456 retry = RETRY_CONNREFUSED;
457 }
458 else if((CURLE_OK == result) ||
459 (config->failonerror &&
460 (CURLE_HTTP_RETURNED_ERROR == result))) {
461 /* If it returned OK. _or_ failonerror was enabled and it
462 returned due to such an error, check for HTTP transient
463 errors to retry on. */
464 long protocol;
465 curl_easy_getinfo(curl, CURLINFO_PROTOCOL, &protocol);
466 if((protocol == CURLPROTO_HTTP) || (protocol == CURLPROTO_HTTPS)) {
467 /* This was HTTP(S) */
468 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
469
470 switch(response) {
471 case 429: /* Too Many Requests (RFC6585) */
472 case 500: /* Internal Server Error */
473 case 502: /* Bad Gateway */
474 case 503: /* Service Unavailable */
475 case 504: /* Gateway Timeout */
476 retry = RETRY_HTTP;
477 /*
478 * At this point, we have already written data to the output
479 * file (or terminal). If we write to a file, we must rewind
480 * or close/re-open the file so that the next attempt starts
481 * over from the beginning.
482 *
483 * TODO: similar action for the upload case. We might need
484 * to start over reading from a previous point if we have
485 * uploaded something when this was returned.
486 */
487 break;
488 }
489 }
490 } /* if CURLE_OK */
491 else if(result) {
492 long protocol;
493
494 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
495 curl_easy_getinfo(curl, CURLINFO_PROTOCOL, &protocol);
496
497 if((protocol == CURLPROTO_FTP || protocol == CURLPROTO_FTPS) &&
498 response / 100 == 4)
499 /*
500 * This is typically when the FTP server only allows a certain
501 * amount of users and we are not one of them. All 4xx codes
502 * are transient.
503 */
504 retry = RETRY_FTP;
505 }
506
507 if(retry) {
508 long sleeptime = 0;
509 curl_off_t retry_after = 0;
510 static const char * const m[]={
511 NULL,
512 "timeout",
513 "connection refused",
514 "HTTP error",
515 "FTP error"
516 };
517
518 sleeptime = per->retry_sleep;
519 if(RETRY_HTTP == retry) {
520 curl_easy_getinfo(curl, CURLINFO_RETRY_AFTER, &retry_after);
521 if(retry_after) {
522 /* store in a 'long', make sure it doesn't overflow */
523 if(retry_after > LONG_MAX/1000)
524 sleeptime = LONG_MAX;
525 else
526 sleeptime = (long)retry_after * 1000; /* milliseconds */
527 }
528 }
529 warnf(config->global, "Transient problem: %s "
530 "Will retry in %ld seconds. "
531 "%ld retries left.\n",
532 m[retry], sleeptime/1000L, per->retry_numretries);
533
534 per->retry_numretries--;
535 tool_go_sleep(sleeptime);
536 if(!config->retry_delay) {
537 per->retry_sleep *= 2;
538 if(per->retry_sleep > RETRY_SLEEP_MAX)
539 per->retry_sleep = RETRY_SLEEP_MAX;
540 }
541 if(outs->bytes && outs->filename && outs->stream) {
542 int rc;
543 /* We have written data to a output file, we truncate file
544 */
545 if(!global->mute)
546 fprintf(global->errors, "Throwing away %"
547 CURL_FORMAT_CURL_OFF_T " bytes\n",
548 outs->bytes);
549 fflush(outs->stream);
550 /* truncate file at the position where we started appending */
551#ifdef HAVE_FTRUNCATE
552 if(ftruncate(fileno(outs->stream), outs->init)) {
553 /* when truncate fails, we can't just append as then we'll
554 create something strange, bail out */
555 if(!global->mute)
556 fprintf(global->errors,
557 "failed to truncate, exiting\n");
558 return CURLE_WRITE_ERROR;
559 }
560 /* now seek to the end of the file, the position where we
561 just truncated the file in a large file-safe way */
562 rc = fseek(outs->stream, 0, SEEK_END);
563#else
564 /* ftruncate is not available, so just reposition the file
565 to the location we would have truncated it. This won't
566 work properly with large files on 32-bit systems, but
567 most of those will have ftruncate. */
568 rc = fseek(outs->stream, (long)outs->init, SEEK_SET);
569#endif
570 if(rc) {
571 if(!global->mute)
572 fprintf(global->errors,
573 "failed seeking to end of file, exiting\n");
574 return CURLE_WRITE_ERROR;
575 }
576 outs->bytes = 0; /* clear for next round */
577 }
578 *retryp = TRUE; /* curl_easy_perform loop */
579 return CURLE_OK;
580 }
581 } /* if retry_numretries */
582 else if(per->metalink) {
583 /* Metalink: Decide to try the next resource or not. Try the next resource
584 if download was not successful. */
585 long response;
586 if(CURLE_OK == result) {
587 /* TODO We want to try next resource when download was
588 not successful. How to know that? */
589 char *effective_url = NULL;
590 curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &effective_url);
591 if(effective_url &&
592 curl_strnequal(effective_url, "http", 4)) {
593 /* This was HTTP(S) */
594 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
595 if(response != 200 && response != 206) {
596 per->metalink_next_res = 1;
597 fprintf(global->errors,
598 "Metalink: fetching (%s) from (%s) FAILED "
599 "(HTTP status code %ld)\n",
600 per->mlfile->filename, per->this_url, response);
601 }
602 }
603 }
604 else {
605 per->metalink_next_res = 1;
606 fprintf(global->errors,
607 "Metalink: fetching (%s) from (%s) FAILED (%s)\n",
608 per->mlfile->filename, per->this_url,
609 curl_easy_strerror(result));
610 }
611 }
612
613 if((global->progressmode == CURL_PROGRESS_BAR) &&
614 per->progressbar.calls)
615 /* if the custom progress bar has been displayed, we output a
616 newline here */
617 fputs("\n", per->progressbar.out);
618
619 if(config->writeout)
620 ourWriteOut(per->curl, &per->outs, config->writeout);
621
622 /* Close the outs file */
623 if(outs->fopened && outs->stream) {
624 int rc = fclose(outs->stream);
625 if(!result && rc) {
626 /* something went wrong in the writing process */
627 result = CURLE_WRITE_ERROR;
628 fprintf(global->errors, "(%d) Failed writing body\n", result);
629 }
630 }
631
632 /* File time can only be set _after_ the file has been closed */
633 if(!result && config->remote_time && outs->s_isreg && outs->filename) {
634 /* Ask libcurl if we got a remote file time */
635 curl_off_t filetime = -1;
636 curl_easy_getinfo(curl, CURLINFO_FILETIME_T, &filetime);
637 setfiletime(filetime, outs->filename, config->global->errors);
638 }
639
640 /* Close function-local opened file descriptors */
641 if(per->heads.fopened && per->heads.stream)
642 fclose(per->heads.stream);
643
644 if(per->heads.alloc_filename)
645 Curl_safefree(per->heads.filename);
646
647 curl_easy_cleanup(per->curl);
648 if(outs->alloc_filename)
649 free(outs->filename);
650 free(per->this_url);
651 free(per->separator_err);
652 free(per->separator);
653 free(per->outfile);
654 free(per->uploadfile);
655
656 return CURLE_OK;
657}
658
659static void single_transfer_cleanup(struct OperationConfig *config)
660{
661 if(config) {
662 struct State *state = &config->state;
663 if(state->urls) {
664 /* Free list of remaining URLs */
665 glob_cleanup(state->urls);
666 state->urls = NULL;
667 }
668 Curl_safefree(state->outfiles);
669 Curl_safefree(state->httpgetfields);
670 Curl_safefree(state->uploadfile);
671 if(state->inglob) {
672 /* Free list of globbed upload files */
673 glob_cleanup(state->inglob);
674 state->inglob = NULL;
675 }
676 }
677}
678
679/* create the next (singular) transfer */
680
681static CURLcode single_transfer(struct GlobalConfig *global,
682 struct OperationConfig *config,
683 CURLSH *share,
684 bool capath_from_env,
685 bool *added)
686{
687 CURLcode result = CURLE_OK;
688 struct getout *urlnode;
689 metalinkfile *mlfile_last = NULL;
690 bool orig_noprogress = global->noprogress;
691 bool orig_isatty = global->isatty;
692 struct State *state = &config->state;
693 char *httpgetfields = state->httpgetfields;
694 *added = FALSE; /* not yet */
695
696 if(config->postfields) {
697 if(config->use_httpget) {
698 if(!httpgetfields) {
699 /* Use the postfields data for a http get */
700 httpgetfields = state->httpgetfields = strdup(config->postfields);
701 Curl_safefree(config->postfields);
702 if(!httpgetfields) {
703 helpf(global->errors, "out of memory\n");
704 result = CURLE_OUT_OF_MEMORY;
705 }
706 else if(SetHTTPrequest(config,
707 (config->no_body?HTTPREQ_HEAD:HTTPREQ_GET),
708 &config->httpreq)) {
709 result = CURLE_FAILED_INIT;
710 }
711 }
712 }
713 else {
714 if(SetHTTPrequest(config, HTTPREQ_SIMPLEPOST, &config->httpreq))
715 result = CURLE_FAILED_INIT;
716 }
717 if(result)
718 return result;
719 }
720 if(!state->urlnode) {
721 /* first time caller, setup things */
722 state->urlnode = config->url_list;
723 state->infilenum = 1;
724 }
725
726 while(config->state.urlnode) {
727 char *infiles; /* might be a glob pattern */
728 URLGlob *inglob = state->inglob;
729 bool metalink = FALSE; /* metalink download? */
730 metalinkfile *mlfile;
731 metalink_resource *mlres;
732
733 urlnode = config->state.urlnode;
734 if(urlnode->flags & GETOUT_METALINK) {
735 metalink = 1;
736 if(mlfile_last == NULL) {
737 mlfile_last = config->metalinkfile_list;
738 }
739 mlfile = mlfile_last;
740 mlfile_last = mlfile_last->next;
741 mlres = mlfile->resource;
742 }
743 else {
744 mlfile = NULL;
745 mlres = NULL;
746 }
747
748 /* urlnode->url is the full URL (it might be NULL) */
749
750 if(!urlnode->url) {
751 /* This node has no URL. Free node data without destroying the
752 node itself nor modifying next pointer and continue to next */
753 Curl_safefree(urlnode->outfile);
754 Curl_safefree(urlnode->infile);
755 urlnode->flags = 0;
756 config->state.urlnode = urlnode->next;
757 state->up = 0;
758 continue; /* next URL please */
759 }
760
761 /* save outfile pattern before expansion */
762 if(urlnode->outfile && !state->outfiles) {
763 state->outfiles = strdup(urlnode->outfile);
764 if(!state->outfiles) {
765 helpf(global->errors, "out of memory\n");
766 result = CURLE_OUT_OF_MEMORY;
767 break;
768 }
769 }
770
771 infiles = urlnode->infile;
772
773 if(!config->globoff && infiles && !inglob) {
774 /* Unless explicitly shut off */
775 result = glob_url(&inglob, infiles, &state->infilenum,
776 global->showerror?global->errors:NULL);
777 if(result)
778 break;
779 config->state.inglob = inglob;
780 }
781
782 {
783 int separator;
784 unsigned long urlnum;
785
786 if(!state->up && !infiles)
787 Curl_nop_stmt;
788 else {
789 if(!state->uploadfile) {
790 if(inglob) {
791 result = glob_next_url(&state->uploadfile, inglob);
792 if(result == CURLE_OUT_OF_MEMORY)
793 helpf(global->errors, "out of memory\n");
794 }
795 else if(!state->up) {
796 state->uploadfile = strdup(infiles);
797 if(!state->uploadfile) {
798 helpf(global->errors, "out of memory\n");
799 result = CURLE_OUT_OF_MEMORY;
800 }
801 }
802 }
803 if(result)
804 break;
805 }
806
807 if(!state->urlnum) {
808 if(metalink) {
809 /* For Metalink download, we don't use glob. Instead we use
810 the number of resources as urlnum. */
811 urlnum = count_next_metalink_resource(mlfile);
812 }
813 else if(!config->globoff) {
814 /* Unless explicitly shut off, we expand '{...}' and '[...]'
815 expressions and return total number of URLs in pattern set */
816 result = glob_url(&state->urls, urlnode->url, &state->urlnum,
817 global->showerror?global->errors:NULL);
818 if(result)
819 break;
820 urlnum = state->urlnum;
821 }
822 else
823 urlnum = 1; /* without globbing, this is a single URL */
824 }
825 else
826 urlnum = state->urlnum;
827
828 /* if multiple files extracted to stdout, insert separators! */
829 separator = ((!state->outfiles ||
830 !strcmp(state->outfiles, "-")) && urlnum > 1);
831
832 if(state->up < state->infilenum) {
833 struct per_transfer *per;
834 struct OutStruct *outs;
835 struct InStruct *input;
836 struct OutStruct *heads;
837 struct HdrCbData *hdrcbdata = NULL;
838 CURL *curl = curl_easy_init();
839 result = add_per_transfer(&per);
840 if(result || !curl) {
841 curl_easy_cleanup(curl);
842 result = CURLE_OUT_OF_MEMORY;
843 break;
844 }
845 if(state->uploadfile) {
846 per->uploadfile = strdup(state->uploadfile);
847 if(!per->uploadfile) {
848 curl_easy_cleanup(curl);
849 result = CURLE_OUT_OF_MEMORY;
850 break;
851 }
852 }
853 *added = TRUE;
854 per->config = config;
855 per->curl = curl;
856
857 /* default headers output stream is stdout */
858 heads = &per->heads;
859 heads->stream = stdout;
860 heads->config = config;
861
862 /* Single header file for all URLs */
863 if(config->headerfile) {
864 /* open file for output: */
865 if(strcmp(config->headerfile, "-")) {
866 FILE *newfile = fopen(config->headerfile, "wb");
867 if(!newfile) {
868 warnf(config->global, "Failed to open %s\n", config->headerfile);
869 result = CURLE_WRITE_ERROR;
870 break;
871 }
872 else {
873 heads->filename = config->headerfile;
874 heads->s_isreg = TRUE;
875 heads->fopened = TRUE;
876 heads->stream = newfile;
877 }
878 }
879 else {
880 /* always use binary mode for protocol header output */
881 set_binmode(heads->stream);
882 }
883 }
884
885
886 hdrcbdata = &per->hdrcbdata;
887
888 outs = &per->outs;
889 input = &per->input;
890
891 per->outfile = NULL;
892 per->infdopen = FALSE;
893 per->infd = STDIN_FILENO;
894
895 /* default output stream is stdout */
896 outs->stream = stdout;
897 outs->config = config;
898
899 if(metalink) {
900 /* For Metalink download, use name in Metalink file as
901 filename. */
902 per->outfile = strdup(mlfile->filename);
903 if(!per->outfile) {
904 result = CURLE_OUT_OF_MEMORY;
905 break;
906 }
907 per->this_url = strdup(mlres->url);
908 if(!per->this_url) {
909 result = CURLE_OUT_OF_MEMORY;
910 break;
911 }
912 per->mlfile = mlfile;
913 }
914 else {
915 if(state->urls) {
916 result = glob_next_url(&per->this_url, state->urls);
917 if(result)
918 break;
919 }
920 else if(!state->li) {
921 per->this_url = strdup(urlnode->url);
922 if(!per->this_url) {
923 result = CURLE_OUT_OF_MEMORY;
924 break;
925 }
926 }
927 else
928 per->this_url = NULL;
929 if(!per->this_url)
930 break;
931
932 if(state->outfiles) {
933 per->outfile = strdup(state->outfiles);
934 if(!per->outfile) {
935 result = CURLE_OUT_OF_MEMORY;
936 break;
937 }
938 }
939 }
940
941 if(((urlnode->flags&GETOUT_USEREMOTE) ||
942 (per->outfile && strcmp("-", per->outfile))) &&
943 (metalink || !config->use_metalink)) {
944
945 /*
946 * We have specified a file name to store the result in, or we have
947 * decided we want to use the remote file name.
948 */
949
950 if(!per->outfile) {
951 /* extract the file name from the URL */
952 result = get_url_file_name(&per->outfile, per->this_url);
953 if(result)
954 break;
955 if(!*per->outfile && !config->content_disposition) {
956 helpf(global->errors, "Remote file name has no length!\n");
957 result = CURLE_WRITE_ERROR;
958 break;
959 }
960 }
961 else if(state->urls) {
962 /* fill '#1' ... '#9' terms from URL pattern */
963 char *storefile = per->outfile;
964 result = glob_match_url(&per->outfile, storefile, state->urls);
965 Curl_safefree(storefile);
966 if(result) {
967 /* bad globbing */
968 warnf(config->global, "bad output glob!\n");
969 break;
970 }
971 }
972
973 /* Create the directory hierarchy, if not pre-existent to a multiple
974 file output call */
975
976 if(config->create_dirs || metalink) {
977 result = create_dir_hierarchy(per->outfile, global->errors);
978 /* create_dir_hierarchy shows error upon CURLE_WRITE_ERROR */
979 if(result)
980 break;
981 }
982
983 if((urlnode->flags & GETOUT_USEREMOTE)
984 && config->content_disposition) {
985 /* Our header callback MIGHT set the filename */
986 DEBUGASSERT(!outs->filename);
987 }
988
989 if(config->resume_from_current) {
990 /* We're told to continue from where we are now. Get the size
991 of the file as it is now and open it for append instead */
992 struct_stat fileinfo;
993 /* VMS -- Danger, the filesize is only valid for stream files */
994 if(0 == stat(per->outfile, &fileinfo))
995 /* set offset to current file size: */
996 config->resume_from = fileinfo.st_size;
997 else
998 /* let offset be 0 */
999 config->resume_from = 0;
1000 }
1001
1002 if(config->resume_from) {
1003#ifdef __VMS
1004 /* open file for output, forcing VMS output format into stream
1005 mode which is needed for stat() call above to always work. */
1006 FILE *file = fopen(outfile, "ab",
1007 "ctx=stm", "rfm=stmlf", "rat=cr", "mrs=0");
1008#else
1009 /* open file for output: */
1010 FILE *file = fopen(per->outfile, "ab");
1011#endif
1012 if(!file) {
1013 helpf(global->errors, "Can't open '%s'!\n", per->outfile);
1014 result = CURLE_WRITE_ERROR;
1015 break;
1016 }
1017 outs->fopened = TRUE;
1018 outs->stream = file;
1019 outs->init = config->resume_from;
1020 }
1021 else {
1022 outs->stream = NULL; /* open when needed */
1023 }
1024 outs->filename = per->outfile;
1025 outs->s_isreg = TRUE;
1026 }
1027
1028 if(per->uploadfile && !stdin_upload(per->uploadfile)) {
1029 /*
1030 * We have specified a file to upload and it isn't "-".
1031 */
1032 char *nurl = add_file_name_to_url(per->this_url, per->uploadfile);
1033 if(!nurl) {
1034 result = CURLE_OUT_OF_MEMORY;
1035 break;
1036 }
1037 per->this_url = nurl;
1038 }
1039 else if(per->uploadfile && stdin_upload(per->uploadfile)) {
1040 /* count to see if there are more than one auth bit set
1041 in the authtype field */
1042 int authbits = 0;
1043 int bitcheck = 0;
1044 while(bitcheck < 32) {
1045 if(config->authtype & (1UL << bitcheck++)) {
1046 authbits++;
1047 if(authbits > 1) {
1048 /* more than one, we're done! */
1049 break;
1050 }
1051 }
1052 }
1053
1054 /*
1055 * If the user has also selected --anyauth or --proxy-anyauth
1056 * we should warn him/her.
1057 */
1058 if(config->proxyanyauth || (authbits>1)) {
1059 warnf(config->global,
1060 "Using --anyauth or --proxy-anyauth with upload from stdin"
1061 " involves a big risk of it not working. Use a temporary"
1062 " file or a fixed auth type instead!\n");
1063 }
1064
1065 DEBUGASSERT(per->infdopen == FALSE);
1066 DEBUGASSERT(per->infd == STDIN_FILENO);
1067
1068 set_binmode(stdin);
1069 if(!strcmp(per->uploadfile, ".")) {
1070 if(curlx_nonblock((curl_socket_t)per->infd, TRUE) < 0)
1071 warnf(config->global,
1072 "fcntl failed on fd=%d: %s\n", per->infd, strerror(errno));
1073 }
1074 }
1075
1076 if(per->uploadfile && config->resume_from_current)
1077 config->resume_from = -1; /* -1 will then force get-it-yourself */
1078
1079 if(output_expected(per->this_url, per->uploadfile) && outs->stream &&
1080 isatty(fileno(outs->stream)))
1081 /* we send the output to a tty, therefore we switch off the progress
1082 meter */
1083 per->noprogress = global->noprogress = global->isatty = TRUE;
1084 else {
1085 /* progress meter is per download, so restore config
1086 values */
1087 per->noprogress = global->noprogress = orig_noprogress;
1088 global->isatty = orig_isatty;
1089 }
1090
1091 if(urlnum > 1 && !global->mute) {
1092 per->separator_err =
1093 aprintf("\n[%lu/%lu]: %s --> %s",
1094 state->li + 1, urlnum, per->this_url,
1095 per->outfile ? per->outfile : "<stdout>");
1096 if(separator)
1097 per->separator = aprintf("%s%s", CURLseparator, per->this_url);
1098 }
1099 if(httpgetfields) {
1100 char *urlbuffer;
1101 /* Find out whether the url contains a file name */
1102 const char *pc = strstr(per->this_url, "://");
1103 char sep = '?';
1104 if(pc)
1105 pc += 3;
1106 else
1107 pc = per->this_url;
1108
1109 pc = strrchr(pc, '/'); /* check for a slash */
1110
1111 if(pc) {
1112 /* there is a slash present in the URL */
1113
1114 if(strchr(pc, '?'))
1115 /* Ouch, there's already a question mark in the URL string, we
1116 then append the data with an ampersand separator instead! */
1117 sep = '&';
1118 }
1119 /*
1120 * Then append ? followed by the get fields to the url.
1121 */
1122 if(pc)
1123 urlbuffer = aprintf("%s%c%s", per->this_url, sep, httpgetfields);
1124 else
1125 /* Append / before the ? to create a well-formed url
1126 if the url contains a hostname only
1127 */
1128 urlbuffer = aprintf("%s/?%s", per->this_url, httpgetfields);
1129
1130 if(!urlbuffer) {
1131 result = CURLE_OUT_OF_MEMORY;
1132 break;
1133 }
1134
1135 Curl_safefree(per->this_url); /* free previous URL */
1136 per->this_url = urlbuffer; /* use our new URL instead! */
1137 }
1138
1139 if(!global->errors)
1140 global->errors = stderr;
1141
1142 if((!per->outfile || !strcmp(per->outfile, "-")) &&
1143 !config->use_ascii) {
1144 /* We get the output to stdout and we have not got the ASCII/text
1145 flag, then set stdout to be binary */
1146 set_binmode(stdout);
1147 }
1148
1149 /* explicitly passed to stdout means okaying binary gunk */
1150 config->terminal_binary_ok =
1151 (per->outfile && !strcmp(per->outfile, "-"));
1152
1153 /* Avoid having this setopt added to the --libcurl source output. */
1154 result = curl_easy_setopt(curl, CURLOPT_SHARE, share);
1155 if(result)
1156 break;
1157
1158 if(!config->tcp_nodelay)
1159 my_setopt(curl, CURLOPT_TCP_NODELAY, 0L);
1160
1161 if(config->tcp_fastopen)
1162 my_setopt(curl, CURLOPT_TCP_FASTOPEN, 1L);
1163
1164 /* where to store */
1165 my_setopt(curl, CURLOPT_WRITEDATA, per);
1166 my_setopt(curl, CURLOPT_INTERLEAVEDATA, per);
1167
1168 if(metalink || !config->use_metalink)
1169 /* what call to write */
1170 my_setopt(curl, CURLOPT_WRITEFUNCTION, tool_write_cb);
1171#ifdef USE_METALINK
1172 else
1173 /* Set Metalink specific write callback function to parse
1174 XML data progressively. */
1175 my_setopt(curl, CURLOPT_WRITEFUNCTION, metalink_write_cb);
1176#endif /* USE_METALINK */
1177
1178 /* for uploads */
1179 input->config = config;
1180 /* Note that if CURLOPT_READFUNCTION is fread (the default), then
1181 * lib/telnet.c will Curl_poll() on the input file descriptor
1182 * rather then calling the READFUNCTION at regular intervals.
1183 * The circumstances in which it is preferable to enable this
1184 * behaviour, by omitting to set the READFUNCTION & READDATA options,
1185 * have not been determined.
1186 */
1187 my_setopt(curl, CURLOPT_READDATA, input);
1188 /* what call to read */
1189 my_setopt(curl, CURLOPT_READFUNCTION, tool_read_cb);
1190
1191 /* in 7.18.0, the CURLOPT_SEEKFUNCTION/DATA pair is taking over what
1192 CURLOPT_IOCTLFUNCTION/DATA pair previously provided for seeking */
1193 my_setopt(curl, CURLOPT_SEEKDATA, input);
1194 my_setopt(curl, CURLOPT_SEEKFUNCTION, tool_seek_cb);
1195
1196 if(config->recvpersecond &&
1197 (config->recvpersecond < BUFFER_SIZE))
1198 /* use a smaller sized buffer for better sleeps */
1199 my_setopt(curl, CURLOPT_BUFFERSIZE, (long)config->recvpersecond);
1200 else
1201 my_setopt(curl, CURLOPT_BUFFERSIZE, (long)BUFFER_SIZE);
1202
1203 my_setopt_str(curl, CURLOPT_URL, per->this_url);
1204 my_setopt(curl, CURLOPT_NOPROGRESS, global->noprogress?1L:0L);
1205 if(config->no_body)
1206 my_setopt(curl, CURLOPT_NOBODY, 1L);
1207
1208 if(config->oauth_bearer)
1209 my_setopt_str(curl, CURLOPT_XOAUTH2_BEARER, config->oauth_bearer);
1210
1211 {
1212 my_setopt_str(curl, CURLOPT_PROXY, config->proxy);
1213 /* new in libcurl 7.5 */
1214 if(config->proxy)
1215 my_setopt_enum(curl, CURLOPT_PROXYTYPE, config->proxyver);
1216
1217 my_setopt_str(curl, CURLOPT_PROXYUSERPWD, config->proxyuserpwd);
1218
1219 /* new in libcurl 7.3 */
1220 my_setopt(curl, CURLOPT_HTTPPROXYTUNNEL, config->proxytunnel?1L:0L);
1221
1222 /* new in libcurl 7.52.0 */
1223 if(config->preproxy)
1224 my_setopt_str(curl, CURLOPT_PRE_PROXY, config->preproxy);
1225
1226 /* new in libcurl 7.10.6 */
1227 if(config->proxyanyauth)
1228 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
1229 (long)CURLAUTH_ANY);
1230 else if(config->proxynegotiate)
1231 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
1232 (long)CURLAUTH_GSSNEGOTIATE);
1233 else if(config->proxyntlm)
1234 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
1235 (long)CURLAUTH_NTLM);
1236 else if(config->proxydigest)
1237 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
1238 (long)CURLAUTH_DIGEST);
1239 else if(config->proxybasic)
1240 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
1241 (long)CURLAUTH_BASIC);
1242
1243 /* new in libcurl 7.19.4 */
1244 my_setopt_str(curl, CURLOPT_NOPROXY, config->noproxy);
1245
1246 my_setopt(curl, CURLOPT_SUPPRESS_CONNECT_HEADERS,
1247 config->suppress_connect_headers?1L:0L);
1248 }
1249
1250 my_setopt(curl, CURLOPT_FAILONERROR, config->failonerror?1L:0L);
1251 my_setopt(curl, CURLOPT_REQUEST_TARGET, config->request_target);
1252 my_setopt(curl, CURLOPT_UPLOAD, per->uploadfile?1L:0L);
1253 my_setopt(curl, CURLOPT_DIRLISTONLY, config->dirlistonly?1L:0L);
1254 my_setopt(curl, CURLOPT_APPEND, config->ftp_append?1L:0L);
1255
1256 if(config->netrc_opt)
1257 my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_OPTIONAL);
1258 else if(config->netrc || config->netrc_file)
1259 my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_REQUIRED);
1260 else
1261 my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_IGNORED);
1262
1263 if(config->netrc_file)
1264 my_setopt_str(curl, CURLOPT_NETRC_FILE, config->netrc_file);
1265
1266 my_setopt(curl, CURLOPT_TRANSFERTEXT, config->use_ascii?1L:0L);
1267 if(config->login_options)
1268 my_setopt_str(curl, CURLOPT_LOGIN_OPTIONS, config->login_options);
1269 my_setopt_str(curl, CURLOPT_USERPWD, config->userpwd);
1270 my_setopt_str(curl, CURLOPT_RANGE, config->range);
1271 my_setopt(curl, CURLOPT_ERRORBUFFER, per->errorbuffer);
1272 my_setopt(curl, CURLOPT_TIMEOUT_MS, (long)(config->timeout * 1000));
1273
1274 switch(config->httpreq) {
1275 case HTTPREQ_SIMPLEPOST:
1276 my_setopt_str(curl, CURLOPT_POSTFIELDS,
1277 config->postfields);
1278 my_setopt(curl, CURLOPT_POSTFIELDSIZE_LARGE,
1279 config->postfieldsize);
1280 break;
1281 case HTTPREQ_MIMEPOST:
1282 result = tool2curlmime(curl, config->mimeroot, &config->mimepost);
1283 if(result)
1284 break;
1285 my_setopt_mimepost(curl, CURLOPT_MIMEPOST, config->mimepost);
1286 break;
1287 default:
1288 break;
1289 }
1290 if(result)
1291 break;
1292
1293 /* new in libcurl 7.10.6 (default is Basic) */
1294 if(config->authtype)
1295 my_setopt_bitmask(curl, CURLOPT_HTTPAUTH, (long)config->authtype);
1296
1297 my_setopt_slist(curl, CURLOPT_HTTPHEADER, config->headers);
1298
1299 if(built_in_protos & (CURLPROTO_HTTP | CURLPROTO_RTSP)) {
1300 my_setopt_str(curl, CURLOPT_REFERER, config->referer);
1301 my_setopt_str(curl, CURLOPT_USERAGENT, config->useragent);
1302 }
1303
1304 if(built_in_protos & CURLPROTO_HTTP) {
1305
1306 long postRedir = 0;
1307
1308 my_setopt(curl, CURLOPT_FOLLOWLOCATION,
1309 config->followlocation?1L:0L);
1310 my_setopt(curl, CURLOPT_UNRESTRICTED_AUTH,
1311 config->unrestricted_auth?1L:0L);
1312
1313 my_setopt(curl, CURLOPT_AUTOREFERER, config->autoreferer?1L:0L);
1314
1315 /* new in libcurl 7.36.0 */
1316 if(config->proxyheaders) {
1317 my_setopt_slist(curl, CURLOPT_PROXYHEADER, config->proxyheaders);
1318 my_setopt(curl, CURLOPT_HEADEROPT, CURLHEADER_SEPARATE);
1319 }
1320
1321 /* new in libcurl 7.5 */
1322 my_setopt(curl, CURLOPT_MAXREDIRS, config->maxredirs);
1323
1324 if(config->httpversion)
1325 my_setopt_enum(curl, CURLOPT_HTTP_VERSION, config->httpversion);
1326 else if(curlinfo->features & CURL_VERSION_HTTP2) {
1327 my_setopt_enum(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2TLS);
1328 }
1329
1330 /* curl 7.19.1 (the 301 version existed in 7.18.2),
1331 303 was added in 7.26.0 */
1332 if(config->post301)
1333 postRedir |= CURL_REDIR_POST_301;
1334 if(config->post302)
1335 postRedir |= CURL_REDIR_POST_302;
1336 if(config->post303)
1337 postRedir |= CURL_REDIR_POST_303;
1338 my_setopt(curl, CURLOPT_POSTREDIR, postRedir);
1339
1340 /* new in libcurl 7.21.6 */
1341 if(config->encoding)
1342 my_setopt_str(curl, CURLOPT_ACCEPT_ENCODING, "");
1343
1344 /* new in libcurl 7.21.6 */
1345 if(config->tr_encoding)
1346 my_setopt(curl, CURLOPT_TRANSFER_ENCODING, 1L);
1347 /* new in libcurl 7.64.0 */
1348 my_setopt(curl, CURLOPT_HTTP09_ALLOWED,
1349 config->http09_allowed ? 1L : 0L);
1350
1351 } /* (built_in_protos & CURLPROTO_HTTP) */
1352
1353 my_setopt_str(curl, CURLOPT_FTPPORT, config->ftpport);
1354 my_setopt(curl, CURLOPT_LOW_SPEED_LIMIT,
1355 config->low_speed_limit);
1356 my_setopt(curl, CURLOPT_LOW_SPEED_TIME, config->low_speed_time);
1357 my_setopt(curl, CURLOPT_MAX_SEND_SPEED_LARGE,
1358 config->sendpersecond);
1359 my_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE,
1360 config->recvpersecond);
1361
1362 if(config->use_resume)
1363 my_setopt(curl, CURLOPT_RESUME_FROM_LARGE, config->resume_from);
1364 else
1365 my_setopt(curl, CURLOPT_RESUME_FROM_LARGE, CURL_OFF_T_C(0));
1366
1367 my_setopt_str(curl, CURLOPT_KEYPASSWD, config->key_passwd);
1368 my_setopt_str(curl, CURLOPT_PROXY_KEYPASSWD, config->proxy_key_passwd);
1369
1370 if(built_in_protos & (CURLPROTO_SCP|CURLPROTO_SFTP)) {
1371
1372 /* SSH and SSL private key uses same command-line option */
1373 /* new in libcurl 7.16.1 */
1374 my_setopt_str(curl, CURLOPT_SSH_PRIVATE_KEYFILE, config->key);
1375 /* new in libcurl 7.16.1 */
1376 my_setopt_str(curl, CURLOPT_SSH_PUBLIC_KEYFILE, config->pubkey);
1377
1378 /* new in libcurl 7.17.1: SSH host key md5 checking allows us
1379 to fail if we are not talking to who we think we should */
1380 my_setopt_str(curl, CURLOPT_SSH_HOST_PUBLIC_KEY_MD5,
1381 config->hostpubmd5);
1382
1383 /* new in libcurl 7.56.0 */
1384 if(config->ssh_compression)
1385 my_setopt(curl, CURLOPT_SSH_COMPRESSION, 1L);
1386 }
1387
1388 if(config->cacert)
1389 my_setopt_str(curl, CURLOPT_CAINFO, config->cacert);
1390 if(config->proxy_cacert)
1391 my_setopt_str(curl, CURLOPT_PROXY_CAINFO, config->proxy_cacert);
1392
1393 if(config->capath) {
1394 result = res_setopt_str(curl, CURLOPT_CAPATH, config->capath);
1395 if(result == CURLE_NOT_BUILT_IN) {
1396 warnf(config->global, "ignoring %s, not supported by libcurl\n",
1397 capath_from_env?
1398 "SSL_CERT_DIR environment variable":"--capath");
1399 }
1400 else if(result)
1401 break;
1402 }
1403 /* For the time being if --proxy-capath is not set then we use the
1404 --capath value for it, if any. See #1257 */
1405 if((config->proxy_capath || config->capath) &&
1406 !tool_setopt_skip(CURLOPT_PROXY_CAPATH)) {
1407 result = res_setopt_str(curl, CURLOPT_PROXY_CAPATH,
1408 (config->proxy_capath ?
1409 config->proxy_capath :
1410 config->capath));
1411 if(result == CURLE_NOT_BUILT_IN) {
1412 if(config->proxy_capath) {
1413 warnf(config->global,
1414 "ignoring --proxy-capath, not supported by libcurl\n");
1415 }
1416 }
1417 else if(result)
1418 break;
1419 }
1420
1421 if(config->crlfile)
1422 my_setopt_str(curl, CURLOPT_CRLFILE, config->crlfile);
1423 if(config->proxy_crlfile)
1424 my_setopt_str(curl, CURLOPT_PROXY_CRLFILE, config->proxy_crlfile);
1425 else if(config->crlfile) /* CURLOPT_PROXY_CRLFILE default is crlfile */
1426 my_setopt_str(curl, CURLOPT_PROXY_CRLFILE, config->crlfile);
1427
1428 if(config->pinnedpubkey)
1429 my_setopt_str(curl, CURLOPT_PINNEDPUBLICKEY, config->pinnedpubkey);
1430
1431 if(curlinfo->features & CURL_VERSION_SSL) {
1432 /* Check if config->cert is a PKCS#11 URI and set the
1433 * config->cert_type if necessary */
1434 if(config->cert) {
1435 if(!config->cert_type) {
1436 if(is_pkcs11_uri(config->cert)) {
1437 config->cert_type = strdup("ENG");
1438 }
1439 }
1440 }
1441
1442 /* Check if config->key is a PKCS#11 URI and set the
1443 * config->key_type if necessary */
1444 if(config->key) {
1445 if(!config->key_type) {
1446 if(is_pkcs11_uri(config->key)) {
1447 config->key_type = strdup("ENG");
1448 }
1449 }
1450 }
1451
1452 /* Check if config->proxy_cert is a PKCS#11 URI and set the
1453 * config->proxy_type if necessary */
1454 if(config->proxy_cert) {
1455 if(!config->proxy_cert_type) {
1456 if(is_pkcs11_uri(config->proxy_cert)) {
1457 config->proxy_cert_type = strdup("ENG");
1458 }
1459 }
1460 }
1461
1462 /* Check if config->proxy_key is a PKCS#11 URI and set the
1463 * config->proxy_key_type if necessary */
1464 if(config->proxy_key) {
1465 if(!config->proxy_key_type) {
1466 if(is_pkcs11_uri(config->proxy_key)) {
1467 config->proxy_key_type = strdup("ENG");
1468 }
1469 }
1470 }
1471
1472 my_setopt_str(curl, CURLOPT_SSLCERT, config->cert);
1473 my_setopt_str(curl, CURLOPT_PROXY_SSLCERT, config->proxy_cert);
1474 my_setopt_str(curl, CURLOPT_SSLCERTTYPE, config->cert_type);
1475 my_setopt_str(curl, CURLOPT_PROXY_SSLCERTTYPE,
1476 config->proxy_cert_type);
1477 my_setopt_str(curl, CURLOPT_SSLKEY, config->key);
1478 my_setopt_str(curl, CURLOPT_PROXY_SSLKEY, config->proxy_key);
1479 my_setopt_str(curl, CURLOPT_SSLKEYTYPE, config->key_type);
1480 my_setopt_str(curl, CURLOPT_PROXY_SSLKEYTYPE,
1481 config->proxy_key_type);
1482
1483 if(config->insecure_ok) {
1484 my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
1485 my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
1486 }
1487 else {
1488 my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);
1489 /* libcurl default is strict verifyhost -> 2L */
1490 /* my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 2L); */
1491 }
1492 if(config->proxy_insecure_ok) {
1493 my_setopt(curl, CURLOPT_PROXY_SSL_VERIFYPEER, 0L);
1494 my_setopt(curl, CURLOPT_PROXY_SSL_VERIFYHOST, 0L);
1495 }
1496 else {
1497 my_setopt(curl, CURLOPT_PROXY_SSL_VERIFYPEER, 1L);
1498 }
1499
1500 if(config->verifystatus)
1501 my_setopt(curl, CURLOPT_SSL_VERIFYSTATUS, 1L);
1502
1503 if(config->falsestart)
1504 my_setopt(curl, CURLOPT_SSL_FALSESTART, 1L);
1505
1506 my_setopt_enum(curl, CURLOPT_SSLVERSION,
1507 config->ssl_version | config->ssl_version_max);
1508 my_setopt_enum(curl, CURLOPT_PROXY_SSLVERSION,
1509 config->proxy_ssl_version);
1510 }
1511 if(config->path_as_is)
1512 my_setopt(curl, CURLOPT_PATH_AS_IS, 1L);
1513
1514 if(built_in_protos & (CURLPROTO_SCP|CURLPROTO_SFTP)) {
1515 if(!config->insecure_ok) {
1516 char *home;
1517 char *file;
1518 result = CURLE_OUT_OF_MEMORY;
1519 home = homedir();
1520 if(home) {
1521 file = aprintf("%s/.ssh/known_hosts", home);
1522 if(file) {
1523 /* new in curl 7.19.6 */
1524 result = res_setopt_str(curl, CURLOPT_SSH_KNOWNHOSTS, file);
1525 curl_free(file);
1526 if(result == CURLE_UNKNOWN_OPTION)
1527 /* libssh2 version older than 1.1.1 */
1528 result = CURLE_OK;
1529 }
1530 Curl_safefree(home);
1531 }
1532 if(result)
1533 break;
1534 }
1535 }
1536
1537 if(config->no_body || config->remote_time) {
1538 /* no body or use remote time */
1539 my_setopt(curl, CURLOPT_FILETIME, 1L);
1540 }
1541
1542 my_setopt(curl, CURLOPT_CRLF, config->crlf?1L:0L);
1543 my_setopt_slist(curl, CURLOPT_QUOTE, config->quote);
1544 my_setopt_slist(curl, CURLOPT_POSTQUOTE, config->postquote);
1545 my_setopt_slist(curl, CURLOPT_PREQUOTE, config->prequote);
1546
1547 if(config->cookie)
1548 my_setopt_str(curl, CURLOPT_COOKIE, config->cookie);
1549
1550 if(config->cookiefile)
1551 my_setopt_str(curl, CURLOPT_COOKIEFILE, config->cookiefile);
1552
1553 /* new in libcurl 7.9 */
1554 if(config->cookiejar)
1555 my_setopt_str(curl, CURLOPT_COOKIEJAR, config->cookiejar);
1556
1557 /* new in libcurl 7.9.7 */
1558 my_setopt(curl, CURLOPT_COOKIESESSION, config->cookiesession?1L:0L);
1559
1560 my_setopt_enum(curl, CURLOPT_TIMECONDITION, (long)config->timecond);
1561 my_setopt(curl, CURLOPT_TIMEVALUE_LARGE, config->condtime);
1562 my_setopt_str(curl, CURLOPT_CUSTOMREQUEST, config->customrequest);
1563 customrequest_helper(config, config->httpreq, config->customrequest);
1564 my_setopt(curl, CURLOPT_STDERR, global->errors);
1565
1566 /* three new ones in libcurl 7.3: */
1567 my_setopt_str(curl, CURLOPT_INTERFACE, config->iface);
1568 my_setopt_str(curl, CURLOPT_KRBLEVEL, config->krblevel);
1569 progressbarinit(&per->progressbar, config);
1570
1571 if((global->progressmode == CURL_PROGRESS_BAR) &&
1572 !global->noprogress && !global->mute) {
1573 /* we want the alternative style, then we have to implement it
1574 ourselves! */
1575 my_setopt(curl, CURLOPT_XFERINFOFUNCTION, tool_progress_cb);
1576 my_setopt(curl, CURLOPT_XFERINFODATA, per);
1577 }
1578 else if(per->uploadfile && !strcmp(per->uploadfile, ".")) {
1579 /* when reading from stdin in non-blocking mode, we use the progress
1580 function to unpause a busy read */
1581 my_setopt(curl, CURLOPT_NOPROGRESS, 0L);
1582 my_setopt(curl, CURLOPT_XFERINFOFUNCTION, tool_readbusy_cb);
1583 my_setopt(curl, CURLOPT_XFERINFODATA, per);
1584 }
1585
1586 /* new in libcurl 7.24.0: */
1587 if(config->dns_servers)
1588 my_setopt_str(curl, CURLOPT_DNS_SERVERS, config->dns_servers);
1589
1590 /* new in libcurl 7.33.0: */
1591 if(config->dns_interface)
1592 my_setopt_str(curl, CURLOPT_DNS_INTERFACE, config->dns_interface);
1593 if(config->dns_ipv4_addr)
1594 my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP4, config->dns_ipv4_addr);
1595 if(config->dns_ipv6_addr)
1596 my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP6, config->dns_ipv6_addr);
1597
1598 /* new in libcurl 7.6.2: */
1599 my_setopt_slist(curl, CURLOPT_TELNETOPTIONS, config->telnet_options);
1600
1601 /* new in libcurl 7.7: */
1602 my_setopt_str(curl, CURLOPT_RANDOM_FILE, config->random_file);
1603 my_setopt_str(curl, CURLOPT_EGDSOCKET, config->egd_file);
1604 my_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS,
1605 (long)(config->connecttimeout * 1000));
1606
1607 if(config->doh_url)
1608 my_setopt_str(curl, CURLOPT_DOH_URL, config->doh_url);
1609
1610 if(config->cipher_list)
1611 my_setopt_str(curl, CURLOPT_SSL_CIPHER_LIST, config->cipher_list);
1612
1613 if(config->proxy_cipher_list)
1614 my_setopt_str(curl, CURLOPT_PROXY_SSL_CIPHER_LIST,
1615 config->proxy_cipher_list);
1616
1617 if(config->cipher13_list)
1618 my_setopt_str(curl, CURLOPT_TLS13_CIPHERS, config->cipher13_list);
1619
1620 if(config->proxy_cipher13_list)
1621 my_setopt_str(curl, CURLOPT_PROXY_TLS13_CIPHERS,
1622 config->proxy_cipher13_list);
1623
1624 /* new in libcurl 7.9.2: */
1625 if(config->disable_epsv)
1626 /* disable it */
1627 my_setopt(curl, CURLOPT_FTP_USE_EPSV, 0L);
1628
1629 /* new in libcurl 7.10.5 */
1630 if(config->disable_eprt)
1631 /* disable it */
1632 my_setopt(curl, CURLOPT_FTP_USE_EPRT, 0L);
1633
1634 if(global->tracetype != TRACE_NONE) {
1635 my_setopt(curl, CURLOPT_DEBUGFUNCTION, tool_debug_cb);
1636 my_setopt(curl, CURLOPT_DEBUGDATA, config);
1637 my_setopt(curl, CURLOPT_VERBOSE, 1L);
1638 }
1639
1640 /* new in curl 7.9.3 */
1641 if(config->engine) {
1642 result = res_setopt_str(curl, CURLOPT_SSLENGINE, config->engine);
1643 if(result)
1644 break;
1645 }
1646
1647 /* new in curl 7.10.7, extended in 7.19.4. Modified to use
1648 CREATE_DIR_RETRY in 7.49.0 */
1649 my_setopt(curl, CURLOPT_FTP_CREATE_MISSING_DIRS,
1650 (long)(config->ftp_create_dirs?
1651 CURLFTP_CREATE_DIR_RETRY:
1652 CURLFTP_CREATE_DIR_NONE));
1653
1654 /* new in curl 7.10.8 */
1655 if(config->max_filesize)
1656 my_setopt(curl, CURLOPT_MAXFILESIZE_LARGE,
1657 config->max_filesize);
1658
1659 if(4 == config->ip_version)
1660 my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
1661 else if(6 == config->ip_version)
1662 my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6);
1663 else
1664 my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_WHATEVER);
1665
1666 /* new in curl 7.15.5 */
1667 if(config->ftp_ssl_reqd)
1668 my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
1669
1670 /* new in curl 7.11.0 */
1671 else if(config->ftp_ssl)
1672 my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_TRY);
1673
1674 /* new in curl 7.16.0 */
1675 else if(config->ftp_ssl_control)
1676 my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_CONTROL);
1677
1678 /* new in curl 7.16.1 */
1679 if(config->ftp_ssl_ccc)
1680 my_setopt_enum(curl, CURLOPT_FTP_SSL_CCC,
1681 (long)config->ftp_ssl_ccc_mode);
1682
1683 /* new in curl 7.19.4 */
1684 if(config->socks5_gssapi_nec)
1685 my_setopt_str(curl, CURLOPT_SOCKS5_GSSAPI_NEC,
1686 config->socks5_gssapi_nec);
1687
1688 /* new in curl 7.55.0 */
1689 if(config->socks5_auth)
1690 my_setopt_bitmask(curl, CURLOPT_SOCKS5_AUTH,
1691 (long)config->socks5_auth);
1692
1693 /* new in curl 7.43.0 */
1694 if(config->proxy_service_name)
1695 my_setopt_str(curl, CURLOPT_PROXY_SERVICE_NAME,
1696 config->proxy_service_name);
1697
1698 /* new in curl 7.43.0 */
1699 if(config->service_name)
1700 my_setopt_str(curl, CURLOPT_SERVICE_NAME,
1701 config->service_name);
1702
1703 /* curl 7.13.0 */
1704 my_setopt_str(curl, CURLOPT_FTP_ACCOUNT, config->ftp_account);
1705 my_setopt(curl, CURLOPT_IGNORE_CONTENT_LENGTH, config->ignorecl?1L:0L);
1706
1707 /* curl 7.14.2 */
1708 my_setopt(curl, CURLOPT_FTP_SKIP_PASV_IP, config->ftp_skip_ip?1L:0L);
1709
1710 /* curl 7.15.1 */
1711 my_setopt(curl, CURLOPT_FTP_FILEMETHOD, (long)config->ftp_filemethod);
1712
1713 /* curl 7.15.2 */
1714 if(config->localport) {
1715 my_setopt(curl, CURLOPT_LOCALPORT, config->localport);
1716 my_setopt_str(curl, CURLOPT_LOCALPORTRANGE, config->localportrange);
1717 }
1718
1719 /* curl 7.15.5 */
1720 my_setopt_str(curl, CURLOPT_FTP_ALTERNATIVE_TO_USER,
1721 config->ftp_alternative_to_user);
1722
1723 /* curl 7.16.0 */
1724 if(config->disable_sessionid)
1725 /* disable it */
1726 my_setopt(curl, CURLOPT_SSL_SESSIONID_CACHE, 0L);
1727
1728 /* curl 7.16.2 */
1729 if(config->raw) {
1730 my_setopt(curl, CURLOPT_HTTP_CONTENT_DECODING, 0L);
1731 my_setopt(curl, CURLOPT_HTTP_TRANSFER_DECODING, 0L);
1732 }
1733
1734 /* curl 7.17.1 */
1735 if(!config->nokeepalive) {
1736 my_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
1737 if(config->alivetime != 0) {
1738 my_setopt(curl, CURLOPT_TCP_KEEPIDLE, config->alivetime);
1739 my_setopt(curl, CURLOPT_TCP_KEEPINTVL, config->alivetime);
1740 }
1741 }
1742 else
1743 my_setopt(curl, CURLOPT_TCP_KEEPALIVE, 0L);
1744
1745 /* curl 7.20.0 */
1746 if(config->tftp_blksize)
1747 my_setopt(curl, CURLOPT_TFTP_BLKSIZE, config->tftp_blksize);
1748
1749 if(config->mail_from)
1750 my_setopt_str(curl, CURLOPT_MAIL_FROM, config->mail_from);
1751
1752 if(config->mail_rcpt)
1753 my_setopt_slist(curl, CURLOPT_MAIL_RCPT, config->mail_rcpt);
1754
1755 /* curl 7.20.x */
1756 if(config->ftp_pret)
1757 my_setopt(curl, CURLOPT_FTP_USE_PRET, 1L);
1758
1759 if(config->proto_present)
1760 my_setopt_flags(curl, CURLOPT_PROTOCOLS, config->proto);
1761 if(config->proto_redir_present)
1762 my_setopt_flags(curl, CURLOPT_REDIR_PROTOCOLS, config->proto_redir);
1763
1764 if(config->content_disposition
1765 && (urlnode->flags & GETOUT_USEREMOTE))
1766 hdrcbdata->honor_cd_filename = TRUE;
1767 else
1768 hdrcbdata->honor_cd_filename = FALSE;
1769
1770 hdrcbdata->outs = outs;
1771 hdrcbdata->heads = heads;
1772 hdrcbdata->global = global;
1773 hdrcbdata->config = config;
1774
1775 my_setopt(curl, CURLOPT_HEADERFUNCTION, tool_header_cb);
1776 my_setopt(curl, CURLOPT_HEADERDATA, per);
1777
1778 if(config->resolve)
1779 /* new in 7.21.3 */
1780 my_setopt_slist(curl, CURLOPT_RESOLVE, config->resolve);
1781
1782 if(config->connect_to)
1783 /* new in 7.49.0 */
1784 my_setopt_slist(curl, CURLOPT_CONNECT_TO, config->connect_to);
1785
1786 /* new in 7.21.4 */
1787 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) {
1788 if(config->tls_username)
1789 my_setopt_str(curl, CURLOPT_TLSAUTH_USERNAME,
1790 config->tls_username);
1791 if(config->tls_password)
1792 my_setopt_str(curl, CURLOPT_TLSAUTH_PASSWORD,
1793 config->tls_password);
1794 if(config->tls_authtype)
1795 my_setopt_str(curl, CURLOPT_TLSAUTH_TYPE,
1796 config->tls_authtype);
1797 if(config->proxy_tls_username)
1798 my_setopt_str(curl, CURLOPT_PROXY_TLSAUTH_USERNAME,
1799 config->proxy_tls_username);
1800 if(config->proxy_tls_password)
1801 my_setopt_str(curl, CURLOPT_PROXY_TLSAUTH_PASSWORD,
1802 config->proxy_tls_password);
1803 if(config->proxy_tls_authtype)
1804 my_setopt_str(curl, CURLOPT_PROXY_TLSAUTH_TYPE,
1805 config->proxy_tls_authtype);
1806 }
1807
1808 /* new in 7.22.0 */
1809 if(config->gssapi_delegation)
1810 my_setopt_str(curl, CURLOPT_GSSAPI_DELEGATION,
1811 config->gssapi_delegation);
1812
1813 /* new in 7.25.0 and 7.44.0 */
1814 {
1815 long mask = (config->ssl_allow_beast ? CURLSSLOPT_ALLOW_BEAST : 0) |
1816 (config->ssl_no_revoke ? CURLSSLOPT_NO_REVOKE : 0);
1817 if(mask)
1818 my_setopt_bitmask(curl, CURLOPT_SSL_OPTIONS, mask);
1819 }
1820
1821 if(config->proxy_ssl_allow_beast)
1822 my_setopt(curl, CURLOPT_PROXY_SSL_OPTIONS,
1823 (long)CURLSSLOPT_ALLOW_BEAST);
1824
1825 if(config->mail_auth)
1826 my_setopt_str(curl, CURLOPT_MAIL_AUTH, config->mail_auth);
1827
1828 /* new in 7.66.0 */
1829 if(config->sasl_authzid)
1830 my_setopt_str(curl, CURLOPT_SASL_AUTHZID, config->sasl_authzid);
1831
1832 /* new in 7.31.0 */
1833 if(config->sasl_ir)
1834 my_setopt(curl, CURLOPT_SASL_IR, 1L);
1835
1836 if(config->nonpn) {
1837 my_setopt(curl, CURLOPT_SSL_ENABLE_NPN, 0L);
1838 }
1839
1840 if(config->noalpn) {
1841 my_setopt(curl, CURLOPT_SSL_ENABLE_ALPN, 0L);
1842 }
1843
1844 /* new in 7.40.0, abstract support added in 7.53.0 */
1845 if(config->unix_socket_path) {
1846 if(config->abstract_unix_socket) {
1847 my_setopt_str(curl, CURLOPT_ABSTRACT_UNIX_SOCKET,
1848 config->unix_socket_path);
1849 }
1850 else {
1851 my_setopt_str(curl, CURLOPT_UNIX_SOCKET_PATH,
1852 config->unix_socket_path);
1853 }
1854 }
1855
1856 /* new in 7.45.0 */
1857 if(config->proto_default)
1858 my_setopt_str(curl, CURLOPT_DEFAULT_PROTOCOL, config->proto_default);
1859
1860 /* new in 7.47.0 */
1861 if(config->expect100timeout > 0)
1862 my_setopt_str(curl, CURLOPT_EXPECT_100_TIMEOUT_MS,
1863 (long)(config->expect100timeout*1000));
1864
1865 /* new in 7.48.0 */
1866 if(config->tftp_no_options)
1867 my_setopt(curl, CURLOPT_TFTP_NO_OPTIONS, 1L);
1868
1869 /* new in 7.59.0 */
1870 if(config->happy_eyeballs_timeout_ms != CURL_HET_DEFAULT)
1871 my_setopt(curl, CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS,
1872 config->happy_eyeballs_timeout_ms);
1873
1874 /* new in 7.60.0 */
1875 if(config->haproxy_protocol)
1876 my_setopt(curl, CURLOPT_HAPROXYPROTOCOL, 1L);
1877
1878 if(config->disallow_username_in_url)
1879 my_setopt(curl, CURLOPT_DISALLOW_USERNAME_IN_URL, 1L);
1880
1881#ifdef USE_ALTSVC
1882 /* only if explicitly enabled in configure */
1883 if(config->altsvc)
1884 my_setopt_str(curl, CURLOPT_ALTSVC, config->altsvc);
1885#endif
1886
1887#ifdef USE_METALINK
1888 if(!metalink && config->use_metalink) {
1889 outs->metalink_parser = metalink_parser_context_new();
1890 if(outs->metalink_parser == NULL) {
1891 result = CURLE_OUT_OF_MEMORY;
1892 break;
1893 }
1894 fprintf(config->global->errors,
1895 "Metalink: parsing (%s) metalink/XML...\n", per->this_url);
1896 }
1897 else if(metalink)
1898 fprintf(config->global->errors,
1899 "Metalink: fetching (%s) from (%s)...\n",
1900 mlfile->filename, per->this_url);
1901#endif /* USE_METALINK */
1902
1903 per->metalink = metalink;
1904 /* initialize retry vars for loop below */
1905 per->retry_sleep_default = (config->retry_delay) ?
1906 config->retry_delay*1000L : RETRY_SLEEP_DEFAULT; /* ms */
1907 per->retry_numretries = config->req_retry;
1908 per->retry_sleep = per->retry_sleep_default; /* ms */
1909 per->retrystart = tvnow();
1910
1911 state->li++;
1912 /* Here's looping around each globbed URL */
1913 if(state->li >= urlnum) {
1914 state->li = 0;
1915 state->urlnum = 0; /* forced reglob of URLs */
1916 glob_cleanup(state->urls);
1917 state->urls = NULL;
1918 state->up++;
1919 Curl_safefree(state->uploadfile); /* clear it to get the next */
1920 }
1921 }
1922 else {
1923 /* Free this URL node data without destroying the
1924 the node itself nor modifying next pointer. */
1925 Curl_safefree(urlnode->outfile);
1926 Curl_safefree(urlnode->infile);
1927 urlnode->flags = 0;
1928 glob_cleanup(state->urls);
1929 state->urls = NULL;
1930 state->urlnum = 0;
1931
1932 Curl_safefree(state->outfiles);
1933 Curl_safefree(state->uploadfile);
1934 if(state->inglob) {
1935 /* Free list of globbed upload files */
1936 glob_cleanup(state->inglob);
1937 state->inglob = NULL;
1938 }
1939 config->state.urlnode = urlnode->next;
1940 state->up = 0;
1941 continue;
1942 }
1943 }
1944 break;
1945 }
1946
1947 if(!*added || result) {
1948 *added = FALSE;
1949 single_transfer_cleanup(config);
1950 }
1951 return result;
1952}
1953
1954static long all_added; /* number of easy handles currently added */
1955
1956/*
1957 * add_parallel_transfers() sets 'morep' to TRUE if there are more transfers
1958 * to add even after this call returns. sets 'addedp' to TRUE if one or more
1959 * transfers were added.
1960 */
1961static CURLcode add_parallel_transfers(struct GlobalConfig *global,
1962 CURLM *multi,
1963 CURLSH *share,
1964 bool *morep,
1965 bool *addedp)
1966{
1967 struct per_transfer *per;
1968 CURLcode result = CURLE_OK;
1969 CURLMcode mcode;
1970 *addedp = FALSE;
1971 *morep = FALSE;
1972 result = create_transfer(global, share, addedp);
1973 if(result || !*addedp)
1974 return result;
1975 for(per = transfers; per && (all_added < global->parallel_max);
1976 per = per->next) {
1977 bool getadded = FALSE;
1978 if(per->added)
1979 /* already added */
1980 continue;
1981
1982 result = pre_transfer(global, per);
1983 if(result)
1984 break;
1985
1986 /* parallel connect means that we don't set PIPEWAIT since pipewait
1987 will make libcurl prefer multiplexing */
1988 (void)curl_easy_setopt(per->curl, CURLOPT_PIPEWAIT,
1989 global->parallel_connect ? 0L : 1L);
1990 (void)curl_easy_setopt(per->curl, CURLOPT_PRIVATE, per);
1991 (void)curl_easy_setopt(per->curl, CURLOPT_XFERINFOFUNCTION, xferinfo_cb);
1992 (void)curl_easy_setopt(per->curl, CURLOPT_XFERINFODATA, per);
1993
1994 mcode = curl_multi_add_handle(multi, per->curl);
1995 if(mcode)
1996 return CURLE_OUT_OF_MEMORY;
1997
1998 result = create_transfer(global, share, &getadded);
1999 if(result)
2000 return result;
2001 per->added = TRUE;
2002 all_added++;
2003 *addedp = TRUE;
2004 }
2005 *morep = per ? TRUE : FALSE;
2006 return CURLE_OK;
2007}
2008
2009static CURLcode parallel_transfers(struct GlobalConfig *global,
2010 CURLSH *share)
2011{
2012 CURLM *multi;
2013 CURLMcode mcode = CURLM_OK;
2014 CURLcode result = CURLE_OK;
2015 int still_running = 1;
2016 struct timeval start = tvnow();
2017 bool more_transfers;
2018 bool added_transfers;
2019
2020 multi = curl_multi_init();
2021 if(!multi)
2022 return CURLE_OUT_OF_MEMORY;
2023
2024 result = add_parallel_transfers(global, multi, share,
2025 &more_transfers, &added_transfers);
2026 if(result)
2027 return result;
2028
2029 while(!mcode && (still_running || more_transfers)) {
2030 mcode = curl_multi_poll(multi, NULL, 0, 1000, NULL);
2031 if(!mcode)
2032 mcode = curl_multi_perform(multi, &still_running);
2033
2034 progress_meter(global, &start, FALSE);
2035
2036 if(!mcode) {
2037 int rc;
2038 CURLMsg *msg;
2039 bool removed = FALSE;
2040 do {
2041 msg = curl_multi_info_read(multi, &rc);
2042 if(msg) {
2043 bool retry;
2044 struct per_transfer *ended;
2045 CURL *easy = msg->easy_handle;
2046 result = msg->data.result;
2047 curl_easy_getinfo(easy, CURLINFO_PRIVATE, (void *)&ended);
2048 curl_multi_remove_handle(multi, easy);
2049
2050 result = post_per_transfer(global, ended, result, &retry);
2051 if(retry)
2052 continue;
2053 progress_finalize(ended); /* before it goes away */
2054 all_added--; /* one fewer added */
2055 removed = TRUE;
2056 (void)del_per_transfer(ended);
2057 }
2058 } while(msg);
2059 if(removed) {
2060 /* one or more transfers completed, add more! */
2061 (void)add_parallel_transfers(global, multi, share,
2062 &more_transfers,
2063 &added_transfers);
2064 if(added_transfers)
2065 /* we added new ones, make sure the loop doesn't exit yet */
2066 still_running = 1;
2067 }
2068 }
2069 }
2070
2071 (void)progress_meter(global, &start, TRUE);
2072
2073 /* Make sure to return some kind of error if there was a multi problem */
2074 if(mcode) {
2075 result = (mcode == CURLM_OUT_OF_MEMORY) ? CURLE_OUT_OF_MEMORY :
2076 /* The other multi errors should never happen, so return
2077 something suitably generic */
2078 CURLE_BAD_FUNCTION_ARGUMENT;
2079 }
2080
2081 curl_multi_cleanup(multi);
2082
2083 return result;
2084}
2085
2086static CURLcode serial_transfers(struct GlobalConfig *global,
2087 CURLSH *share)
2088{
2089 CURLcode returncode = CURLE_OK;
2090 CURLcode result = CURLE_OK;
2091 struct per_transfer *per;
2092 bool added = FALSE;
2093
2094 result = create_transfer(global, share, &added);
2095 if(result || !added)
2096 return result;
2097 for(per = transfers; per;) {
2098 bool retry;
2099 bool bailout = FALSE;
2100 result = pre_transfer(global, per);
2101 if(result)
2102 break;
2103
2104#ifndef CURL_DISABLE_LIBCURL_OPTION
2105 if(global->libcurl) {
2106 result = easysrc_perform();
2107 if(result)
2108 break;
2109 }
2110#endif
2111#ifdef CURLDEBUG
2112 if(global->test_event_based)
2113 result = curl_easy_perform_ev(per->curl);
2114 else
2115#endif
2116 result = curl_easy_perform(per->curl);
2117
2118 /* store the result of the actual transfer */
2119 returncode = result;
2120
2121 result = post_per_transfer(global, per, result, &retry);
2122 if(retry)
2123 continue;
2124
2125 /* Bail out upon critical errors or --fail-early */
2126 if(result || is_fatal_error(returncode) ||
2127 (returncode && global->fail_early))
2128 bailout = TRUE;
2129 else {
2130 /* setup the next one just before we delete this */
2131 result = create_transfer(global, share, &added);
2132 if(result)
2133 bailout = TRUE;
2134 }
2135
2136 /* Release metalink related resources here */
2137 delete_metalinkfile(per->mlfile);
2138
2139 per = del_per_transfer(per);
2140
2141 if(bailout)
2142 break;
2143 }
2144 if(returncode)
2145 /* returncode errors have priority */
2146 result = returncode;
2147
2148 if(result)
2149 single_transfer_cleanup(global->current);
2150
2151 return result;
2152}
2153
2154/* setup a transfer for the given config */
2155static CURLcode transfer_per_config(struct GlobalConfig *global,
2156 struct OperationConfig *config,
2157 CURLSH *share,
2158 bool *added)
2159{
2160 CURLcode result = CURLE_OK;
2161 bool capath_from_env;
2162 *added = FALSE;
2163
2164 /* Check we have a url */
2165 if(!config->url_list || !config->url_list->url) {
2166 helpf(global->errors, "no URL specified!\n");
2167 return CURLE_FAILED_INIT;
2168 }
2169
2170 /* On WIN32 we can't set the path to curl-ca-bundle.crt
2171 * at compile time. So we look here for the file in two ways:
2172 * 1: look at the environment variable CURL_CA_BUNDLE for a path
2173 * 2: if #1 isn't found, use the windows API function SearchPath()
2174 * to find it along the app's path (includes app's dir and CWD)
2175 *
2176 * We support the environment variable thing for non-Windows platforms
2177 * too. Just for the sake of it.
2178 */
2179 capath_from_env = false;
2180 if(!config->cacert &&
2181 !config->capath &&
2182 !config->insecure_ok) {
2183 CURL *curltls = curl_easy_init();
2184 struct curl_tlssessioninfo *tls_backend_info = NULL;
2185
2186 /* With the addition of CAINFO support for Schannel, this search could find
2187 * a certificate bundle that was previously ignored. To maintain backward
2188 * compatibility, only perform this search if not using Schannel.
2189 */
2190 result = curl_easy_getinfo(curltls, CURLINFO_TLS_SSL_PTR,
2191 &tls_backend_info);
2192 if(result)
2193 return result;
2194
2195 /* Set the CA cert locations specified in the environment. For Windows if
2196 * no environment-specified filename is found then check for CA bundle
2197 * default filename curl-ca-bundle.crt in the user's PATH.
2198 *
2199 * If Schannel is the selected SSL backend then these locations are
2200 * ignored. We allow setting CA location for schannel only when explicitly
2201 * specified by the user via CURLOPT_CAINFO / --cacert.
2202 */
2203 if(tls_backend_info->backend != CURLSSLBACKEND_SCHANNEL) {
2204 char *env;
2205 env = curlx_getenv("CURL_CA_BUNDLE");
2206 if(env) {
2207 config->cacert = strdup(env);
2208 if(!config->cacert) {
2209 curl_free(env);
2210 helpf(global->errors, "out of memory\n");
2211 return CURLE_OUT_OF_MEMORY;
2212 }
2213 }
2214 else {
2215 env = curlx_getenv("SSL_CERT_DIR");
2216 if(env) {
2217 config->capath = strdup(env);
2218 if(!config->capath) {
2219 curl_free(env);
2220 helpf(global->errors, "out of memory\n");
2221 return CURLE_OUT_OF_MEMORY;
2222 }
2223 capath_from_env = true;
2224 }
2225 else {
2226 env = curlx_getenv("SSL_CERT_FILE");
2227 if(env) {
2228 config->cacert = strdup(env);
2229 if(!config->cacert) {
2230 curl_free(env);
2231 helpf(global->errors, "out of memory\n");
2232 return CURLE_OUT_OF_MEMORY;
2233 }
2234 }
2235 }
2236 }
2237
2238 if(env)
2239 curl_free(env);
2240#ifdef WIN32
2241 else {
2242 result = FindWin32CACert(config, tls_backend_info->backend,
2243 "curl-ca-bundle.crt");
2244 }
2245#endif
2246 }
2247 curl_easy_cleanup(curltls);
2248 }
2249
2250 if(!result)
2251 result = single_transfer(global, config, share, capath_from_env, added);
2252
2253 return result;
2254}
2255
2256/*
2257 * 'create_transfer' gets the details and sets up a new transfer if 'added'
2258 * returns TRUE.
2259 */
2260static CURLcode create_transfer(struct GlobalConfig *global,
2261 CURLSH *share,
2262 bool *added)
2263{
2264 CURLcode result = CURLE_OK;
2265 *added = FALSE;
2266 while(global->current) {
2267 result = transfer_per_config(global, global->current, share, added);
2268 if(!result && !*added) {
2269 /* when one set is drained, continue to next */
2270 global->current = global->current->next;
2271 continue;
2272 }
2273 break;
2274 }
2275 return result;
2276}
2277
2278static CURLcode run_all_transfers(struct GlobalConfig *global,
2279 CURLSH *share,
2280 CURLcode result)
2281{
2282 /* Save the values of noprogress and isatty to restore them later on */
2283 bool orig_noprogress = global->noprogress;
2284 bool orig_isatty = global->isatty;
2285 struct per_transfer *per;
2286
2287 /* Time to actually do the transfers */
2288 if(!result) {
2289 if(global->parallel)
2290 result = parallel_transfers(global, share);
2291 else
2292 result = serial_transfers(global, share);
2293 }
2294
2295 /* cleanup if there are any left */
2296 for(per = transfers; per;) {
2297 bool retry;
2298 CURLcode result2 = post_per_transfer(global, per, result, &retry);
2299 if(!result)
2300 /* don't overwrite the original error */
2301 result = result2;
2302
2303 /* Free list of given URLs */
2304 clean_getout(per->config);
2305
2306 /* Release metalink related resources here */
2307 clean_metalink(per->config);
2308 per = del_per_transfer(per);
2309 }
2310
2311 /* Reset the global config variables */
2312 global->noprogress = orig_noprogress;
2313 global->isatty = orig_isatty;
2314
2315
2316 return result;
2317}
2318
2319CURLcode operate(struct GlobalConfig *global, int argc, argv_item_t argv[])
2320{
2321 CURLcode result = CURLE_OK;
2322
2323 /* Setup proper locale from environment */
2324#ifdef HAVE_SETLOCALE
2325 setlocale(LC_ALL, "");
2326#endif
2327
2328 /* Parse .curlrc if necessary */
2329 if((argc == 1) ||
2330 (!curl_strequal(argv[1], "-q") &&
2331 !curl_strequal(argv[1], "--disable"))) {
2332 parseconfig(NULL, global); /* ignore possible failure */
2333
2334 /* If we had no arguments then make sure a url was specified in .curlrc */
2335 if((argc < 2) && (!global->first->url_list)) {
2336 helpf(global->errors, NULL);
2337 result = CURLE_FAILED_INIT;
2338 }
2339 }
2340
2341 if(!result) {
2342 /* Parse the command line arguments */
2343 ParameterError res = parse_args(global, argc, argv);
2344 if(res) {
2345 result = CURLE_OK;
2346
2347 /* Check if we were asked for the help */
2348 if(res == PARAM_HELP_REQUESTED)
2349 tool_help();
2350 /* Check if we were asked for the manual */
2351 else if(res == PARAM_MANUAL_REQUESTED)
2352 hugehelp();
2353 /* Check if we were asked for the version information */
2354 else if(res == PARAM_VERSION_INFO_REQUESTED)
2355 tool_version_info();
2356 /* Check if we were asked to list the SSL engines */
2357 else if(res == PARAM_ENGINES_REQUESTED)
2358 tool_list_engines();
2359 else if(res == PARAM_LIBCURL_UNSUPPORTED_PROTOCOL)
2360 result = CURLE_UNSUPPORTED_PROTOCOL;
2361 else
2362 result = CURLE_FAILED_INIT;
2363 }
2364 else {
2365#ifndef CURL_DISABLE_LIBCURL_OPTION
2366 if(global->libcurl) {
2367 /* Initialise the libcurl source output */
2368 result = easysrc_init();
2369 }
2370#endif
2371
2372 /* Perform the main operations */
2373 if(!result) {
2374 size_t count = 0;
2375 struct OperationConfig *operation = global->first;
2376 CURLSH *share = curl_share_init();
2377 if(!share) {
2378#ifndef CURL_DISABLE_LIBCURL_OPTION
2379 if(global->libcurl) {
2380 /* Cleanup the libcurl source output */
2381 easysrc_cleanup();
2382 }
2383#endif
2384 return CURLE_OUT_OF_MEMORY;
2385 }
2386
2387 curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_COOKIE);
2388 curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_DNS);
2389 curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_SSL_SESSION);
2390 curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_CONNECT);
2391 curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_PSL);
2392
2393 /* Get the required arguments for each operation */
2394 do {
2395 result = get_args(operation, count++);
2396
2397 operation = operation->next;
2398 } while(!result && operation);
2399
2400 /* Set the current operation pointer */
2401 global->current = global->first;
2402
2403 /* now run! */
2404 result = run_all_transfers(global, share, result);
2405
2406 curl_share_cleanup(share);
2407#ifndef CURL_DISABLE_LIBCURL_OPTION
2408 if(global->libcurl) {
2409 /* Cleanup the libcurl source output */
2410 easysrc_cleanup();
2411
2412 /* Dump the libcurl code if previously enabled */
2413 dumpeasysrc(global);
2414 }
2415#endif
2416 }
2417 else
2418 helpf(global->errors, "out of memory\n");
2419 }
2420 }
2421
2422 return result;
2423}
2424