1 /***************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
8 * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at http://curl.haxx.se/docs/copyright.html.
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.
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
21 ***************************************************************************/
22 #include "tool_setup.h"
30 #elif defined(HAVE_SYS_UTIME_H)
31 # include <sys/utime.h>
38 #ifdef HAVE_NETINET_TCP_H
39 # include <netinet/tcp.h>
48 #define ENABLE_CURLX_PRINTF
49 /* use our own printf() functions */
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"
82 #include "tool_help.h"
83 #include "tool_hugehelp.h"
85 #include "memdebug.h" /* keep this as LAST include */
88 /* libcurl's debug builds provide an extra function */
89 CURLcode curl_easy_perform_ev(CURL *easy);
92 #define CURLseparator "--_curl_--"
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 */
100 #define CURL_CA_CERT_ERRORMSG1 \
101 "More details here: http://curl.haxx.se/docs/sslcerts.html\n\n" \
102 "curl performs SSL certificate verification by default, " \
103 "using a \"bundle\"\n" \
104 " of Certificate Authority (CA) public keys (CA certs). If the default\n" \
105 " bundle file isn't adequate, you can specify an alternate file\n" \
106 " using the --cacert option.\n"
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"
116 static bool is_fatal_error(CURLcode 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:
131 /* no error or not critical */
137 * get_vms_file_size does what it takes to get the real size of the file
139 * For fixed files, find out the size of the EOF block and adjust.
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.
146 static curl_off_t vms_realfilesize(const char * name,
147 const struct_stat * stat_buf)
154 file = fopen(name, "r");
160 while(ret_stat > 0) {
161 ret_stat = fread(buffer, 1, sizeof(buffer), file);
172 * VmsSpecialSize checks to see if the stat st_size can be trusted and
173 * if not to call a routine to get the correct size.
176 static curl_off_t VmsSpecialSize(const char * name,
177 const struct_stat * stat_buf)
179 switch(stat_buf->st_fab_rfm) {
182 return vms_realfilesize(name, stat_buf);
185 return stat_buf->st_size;
190 static CURLcode operate_init(struct Configurable *config)
192 /* Get a curl handle to use for all forthcoming curl transfers */
193 config->easy = curl_easy_init();
195 helpf(config->errors, "error initializing curl easy handle\n");
196 return CURLE_FAILED_INIT;
199 /* Setup proper locale from environment */
200 #ifdef HAVE_SETLOCALE
201 setlocale(LC_ALL, "");
207 static CURLcode operate_do(struct Configurable *config)
209 char errorbuffer[CURL_ERROR_SIZE];
210 struct ProgressData progressbar;
211 struct getout *urlnode;
213 struct HdrCbData hdrcbdata;
214 struct OutStruct heads;
216 metalinkfile *mlfile_last = NULL;
218 CURL *curl = config->easy;
219 char *httpgetfields = NULL;
224 bool orig_noprogress;
227 errorbuffer[0] = '\0';
228 /* default headers output stream is stdout */
229 memset(&hdrcbdata, 0, sizeof(struct HdrCbData));
230 memset(&heads, 0, sizeof(struct OutStruct));
231 heads.stream = stdout;
232 heads.config = config;
235 ** Beyond this point no return'ing from this function allowed.
236 ** Jump to label 'quit_curl' in order to abandon this function
237 ** from outside of nested loops further down below.
240 /* Check we have a url */
241 if(!config->url_list || !config->url_list->url) {
242 helpf(config->errors, "no URL specified!\n");
243 res = CURLE_FAILED_INIT;
247 /* On WIN32 we can't set the path to curl-ca-bundle.crt
248 * at compile time. So we look here for the file in two ways:
249 * 1: look at the environment variable CURL_CA_BUNDLE for a path
250 * 2: if #1 isn't found, use the windows API function SearchPath()
251 * to find it along the app's path (includes app's dir and CWD)
253 * We support the environment variable thing for non-Windows platforms
254 * too. Just for the sake of it.
256 if(!config->cacert &&
258 !config->insecure_ok) {
260 env = curlx_getenv("CURL_CA_BUNDLE");
262 config->cacert = strdup(env);
263 if(!config->cacert) {
265 helpf(config->errors, "out of memory\n");
266 res = CURLE_OUT_OF_MEMORY;
271 env = curlx_getenv("SSL_CERT_DIR");
273 config->capath = strdup(env);
274 if(!config->capath) {
276 helpf(config->errors, "out of memory\n");
277 res = CURLE_OUT_OF_MEMORY;
282 env = curlx_getenv("SSL_CERT_FILE");
284 config->cacert = strdup(env);
285 if(!config->cacert) {
287 helpf(config->errors, "out of memory\n");
288 res = CURLE_OUT_OF_MEMORY;
299 res = FindWin32CACert(config, "curl-ca-bundle.crt");
306 if(config->postfields) {
307 if(config->use_httpget) {
308 /* Use the postfields data for a http get */
309 httpgetfields = strdup(config->postfields);
310 Curl_safefree(config->postfields);
312 helpf(config->errors, "out of memory\n");
313 res = CURLE_OUT_OF_MEMORY;
316 if(SetHTTPrequest(config,
317 (config->no_body?HTTPREQ_HEAD:HTTPREQ_GET),
319 res = CURLE_FAILED_INIT;
324 if(SetHTTPrequest(config, HTTPREQ_SIMPLEPOST, &config->httpreq)) {
325 res = CURLE_FAILED_INIT;
331 #ifndef CURL_DISABLE_LIBCURL_OPTION
332 res = easysrc_init();
334 helpf(config->errors, "out of memory\n");
339 /* Single header file for all URLs */
340 if(config->headerfile) {
341 /* open file for output: */
342 if(!curlx_strequal(config->headerfile, "-")) {
343 FILE *newfile = fopen(config->headerfile, "wb");
345 warnf(config, "Failed to open %s\n", config->headerfile);
346 res = CURLE_WRITE_ERROR;
350 heads.filename = config->headerfile;
351 heads.s_isreg = TRUE;
352 heads.fopened = TRUE;
353 heads.stream = newfile;
357 /* always use binary mode for protocol header output */
358 set_binmode(heads.stream);
362 /* save the values of noprogress and isatty to restore them later on */
363 orig_noprogress = config->noprogress;
364 orig_isatty = config->isatty;
367 ** Nested loops start here.
370 /* loop through the list of given URLs */
372 for(urlnode = config->url_list; urlnode; urlnode = urlnode->next) {
374 unsigned long up; /* upload file counter within a single upload glob */
375 char *infiles; /* might be a glob pattern */
377 unsigned long infilenum;
380 int metalink = 0; /* nonzero for metalink download. */
381 metalinkfile *mlfile;
382 metalink_resource *mlres;
388 if(urlnode->flags & GETOUT_METALINK) {
390 if(mlfile_last == NULL) {
391 mlfile_last = config->metalinkfile_list;
393 mlfile = mlfile_last;
394 mlfile_last = mlfile_last->next;
395 mlres = mlfile->resource;
402 /* urlnode->url is the full URL (it might be NULL) */
405 /* This node has no URL. Free node data without destroying the
406 node itself nor modifying next pointer and continue to next */
407 Curl_safefree(urlnode->outfile);
408 Curl_safefree(urlnode->infile);
410 continue; /* next URL please */
413 /* save outfile pattern before expansion */
414 if(urlnode->outfile) {
415 outfiles = strdup(urlnode->outfile);
417 helpf(config->errors, "out of memory\n");
418 res = CURLE_OUT_OF_MEMORY;
423 infiles = urlnode->infile;
425 if(!config->globoff && infiles) {
426 /* Unless explicitly shut off */
427 res = glob_url(&inglob, infiles, &infilenum,
428 config->showerror?config->errors:NULL);
430 Curl_safefree(outfiles);
435 /* Here's the loop for uploading multiple files within the same
436 single globbed string. If no upload, we enter the loop once anyway. */
437 for(up = 0 ; up < infilenum; up++) {
439 char *uploadfile; /* a single file, never a glob */
442 unsigned long urlnum;
452 res = glob_next_url(&uploadfile, inglob);
453 if(res == CURLE_OUT_OF_MEMORY)
454 helpf(config->errors, "out of memory\n");
457 uploadfile = strdup(infiles);
459 helpf(config->errors, "out of memory\n");
460 res = CURLE_OUT_OF_MEMORY;
470 /* For Metalink download, we don't use glob. Instead we use
471 the number of resources as urlnum. */
472 urlnum = count_next_metalink_resource(mlfile);
475 if(!config->globoff) {
476 /* Unless explicitly shut off, we expand '{...}' and '[...]'
477 expressions and return total number of URLs in pattern set */
478 res = glob_url(&urls, urlnode->url, &urlnum,
479 config->showerror?config->errors:NULL);
481 Curl_safefree(uploadfile);
486 urlnum = 1; /* without globbing, this is a single URL */
488 /* if multiple files extracted to stdout, insert separators! */
489 separator= ((!outfiles || curlx_strequal(outfiles, "-")) && urlnum > 1);
491 /* Here's looping around each globbed URL */
492 for(li = 0 ; li < urlnum; li++) {
497 struct OutStruct outs;
498 struct InStruct input;
499 struct timeval retrystart;
500 curl_off_t uploadfilesize;
501 long retry_numretries;
502 long retry_sleep_default;
504 char *this_url = NULL;
505 int metalink_next_res = 0;
510 uploadfilesize = -1; /* -1 means unknown */
512 /* default output stream is stdout */
513 memset(&outs, 0, sizeof(struct OutStruct));
514 outs.stream = stdout;
515 outs.config = config;
518 /* For Metalink download, use name in Metalink file as
520 outfile = strdup(mlfile->filename);
522 res = CURLE_OUT_OF_MEMORY;
525 this_url = strdup(mlres->url);
527 res = CURLE_OUT_OF_MEMORY;
533 res = glob_next_url(&this_url, urls);
538 this_url = strdup(urlnode->url);
540 res = CURLE_OUT_OF_MEMORY;
550 outfile = strdup(outfiles);
552 res = CURLE_OUT_OF_MEMORY;
558 if(((urlnode->flags&GETOUT_USEREMOTE) ||
559 (outfile && !curlx_strequal("-", outfile))) &&
560 (metalink || !config->use_metalink)) {
563 * We have specified a file name to store the result in, or we have
564 * decided we want to use the remote file name.
568 /* extract the file name from the URL */
569 res = get_url_file_name(&outfile, this_url);
572 if((!outfile || !*outfile) && !config->content_disposition) {
573 helpf(config->errors, "Remote file name has no length!\n");
574 res = CURLE_WRITE_ERROR;
577 #if defined(MSDOS) || defined(WIN32)
578 /* For DOS and WIN32, we do some major replacing of
579 bad characters in the file name before using it */
580 outfile = sanitize_dos_name(outfile);
582 res = CURLE_OUT_OF_MEMORY;
585 #endif /* MSDOS || WIN32 */
588 /* fill '#1' ... '#9' terms from URL pattern */
589 char *storefile = outfile;
590 res = glob_match_url(&outfile, storefile, urls);
591 Curl_safefree(storefile);
594 warnf(config, "bad output glob!\n");
599 /* Create the directory hierarchy, if not pre-existent to a multiple
602 if(config->create_dirs || metalink) {
603 res = create_dir_hierarchy(outfile, config->errors);
604 /* create_dir_hierarchy shows error upon CURLE_WRITE_ERROR */
605 if(res == CURLE_WRITE_ERROR)
612 if((urlnode->flags & GETOUT_USEREMOTE)
613 && config->content_disposition) {
614 /* Our header callback MIGHT set the filename */
615 DEBUGASSERT(!outs.filename);
618 if(config->resume_from_current) {
619 /* We're told to continue from where we are now. Get the size
620 of the file as it is now and open it for append instead */
621 struct_stat fileinfo;
622 /* VMS -- Danger, the filesize is only valid for stream files */
623 if(0 == stat(outfile, &fileinfo))
624 /* set offset to current file size: */
625 config->resume_from = fileinfo.st_size;
627 /* let offset be 0 */
628 config->resume_from = 0;
631 if(config->resume_from) {
633 /* open file for output, forcing VMS output format into stream
634 mode which is needed for stat() call above to always work. */
635 FILE *file = fopen(outfile, config->resume_from?"ab":"wb",
636 "ctx=stm", "rfm=stmlf", "rat=cr", "mrs=0");
638 /* open file for output: */
639 FILE *file = fopen(outfile, config->resume_from?"ab":"wb");
642 helpf(config->errors, "Can't open '%s'!\n", outfile);
643 res = CURLE_WRITE_ERROR;
648 outs.init = config->resume_from;
651 outs.stream = NULL; /* open when needed */
653 outs.filename = outfile;
657 if(uploadfile && !stdin_upload(uploadfile)) {
659 * We have specified a file to upload and it isn't "-".
661 struct_stat fileinfo;
663 this_url = add_file_name_to_url(curl, this_url, uploadfile);
665 res = CURLE_OUT_OF_MEMORY;
670 * Reading binary from files can be a problem... Only FIXED, VAR
671 * etc WITHOUT implied CC will work Others need a \n appended to a
674 * - Stat gives a size but this is UNRELIABLE in VMS As a f.e. a
675 * fixed file with implied CC needs to have a byte added for every
676 * record processed, this can by derived from Filesize & recordsize
677 * for VARiable record files the records need to be counted! for
678 * every record add 1 for linefeed and subtract 2 for the record
679 * header for VARIABLE header files only the bare record data needs
680 * to be considered with one appended if implied CC
683 /* Calculate the real upload site for VMS */
685 if(stat(uploadfile, &fileinfo) == 0) {
686 fileinfo.st_size = VmsSpecialSize(uploadfile, &fileinfo);
687 switch (fileinfo.st_fab_rfm) {
691 infd = open(uploadfile, O_RDONLY | O_BINARY);
694 infd = open(uploadfile, O_RDONLY | O_BINARY,
695 "rfm=stmlf", "ctx=stm");
700 infd = open(uploadfile, O_RDONLY | O_BINARY);
701 if((infd == -1) || fstat(infd, &fileinfo))
704 helpf(config->errors, "Can't open '%s'!\n", uploadfile);
709 res = CURLE_READ_ERROR;
714 /* we ignore file size for char/block devices, sockets, etc. */
715 if(S_ISREG(fileinfo.st_mode))
716 uploadfilesize = fileinfo.st_size;
719 else if(uploadfile && stdin_upload(uploadfile)) {
720 /* count to see if there are more than one auth bit set
721 in the authtype field */
724 while(bitcheck < 32) {
725 if(config->authtype & (1UL << bitcheck++)) {
728 /* more than one, we're done! */
735 * If the user has also selected --anyauth or --proxy-anyauth
736 * we should warn him/her.
738 if(config->proxyanyauth || (authbits>1)) {
740 "Using --anyauth or --proxy-anyauth with upload from stdin"
741 " involves a big risk of it not working. Use a temporary"
742 " file or a fixed auth type instead!\n");
745 DEBUGASSERT(infdopen == FALSE);
746 DEBUGASSERT(infd == STDIN_FILENO);
749 if(curlx_strequal(uploadfile, ".")) {
750 if(curlx_nonblock((curl_socket_t)infd, TRUE) < 0)
752 "fcntl failed on fd=%d: %s\n", infd, strerror(errno));
756 if(uploadfile && config->resume_from_current)
757 config->resume_from = -1; /* -1 will then force get-it-yourself */
759 if(output_expected(this_url, uploadfile)
760 && outs.stream && isatty(fileno(outs.stream)))
761 /* we send the output to a tty, therefore we switch off the progress
763 config->noprogress = config->isatty = TRUE;
765 /* progress meter is per download, so restore config
767 config->noprogress = orig_noprogress;
768 config->isatty = orig_isatty;
771 if(urlnum > 1 && !(config->mute)) {
772 fprintf(config->errors, "\n[%lu/%lu]: %s --> %s\n",
773 li+1, urlnum, this_url, outfile ? outfile : "<stdout>");
775 printf("%s%s\n", CURLseparator, this_url);
779 /* Find out whether the url contains a file name */
780 const char *pc = strstr(this_url, "://");
787 pc = strrchr(pc, '/'); /* check for a slash */
790 /* there is a slash present in the URL */
793 /* Ouch, there's already a question mark in the URL string, we
794 then append the data with an ampersand separator instead! */
798 * Then append ? followed by the get fields to the url.
801 urlbuffer = aprintf("%s%c%s", this_url, sep, httpgetfields);
803 /* Append / before the ? to create a well-formed url
804 if the url contains a hostname only
806 urlbuffer = aprintf("%s/?%s", this_url, httpgetfields);
809 res = CURLE_OUT_OF_MEMORY;
813 Curl_safefree(this_url); /* free previous URL */
814 this_url = urlbuffer; /* use our new URL instead! */
818 config->errors = stderr;
820 if((!outfile || !strcmp(outfile, "-")) && !config->use_ascii) {
821 /* We get the output to stdout and we have not got the ASCII/text
822 flag, then set stdout to be binary */
826 if(config->tcp_nodelay)
827 my_setopt(curl, CURLOPT_TCP_NODELAY, 1L);
830 my_setopt(curl, CURLOPT_WRITEDATA, &outs);
831 if(metalink || !config->use_metalink)
832 /* what call to write */
833 my_setopt(curl, CURLOPT_WRITEFUNCTION, tool_write_cb);
836 /* Set Metalink specific write callback function to parse
837 XML data progressively. */
838 my_setopt(curl, CURLOPT_WRITEFUNCTION, metalink_write_cb);
839 #endif /* USE_METALINK */
843 input.config = config;
844 /* Note that if CURLOPT_READFUNCTION is fread (the default), then
845 * lib/telnet.c will Curl_poll() on the input file descriptor
846 * rather then calling the READFUNCTION at regular intervals.
847 * The circumstances in which it is preferable to enable this
848 * behaviour, by omitting to set the READFUNCTION & READDATA options,
849 * have not been determined.
851 my_setopt(curl, CURLOPT_READDATA, &input);
852 /* what call to read */
853 my_setopt(curl, CURLOPT_READFUNCTION, tool_read_cb);
855 /* in 7.18.0, the CURLOPT_SEEKFUNCTION/DATA pair is taking over what
856 CURLOPT_IOCTLFUNCTION/DATA pair previously provided for seeking */
857 my_setopt(curl, CURLOPT_SEEKDATA, &input);
858 my_setopt(curl, CURLOPT_SEEKFUNCTION, tool_seek_cb);
860 if(config->recvpersecond)
861 /* tell libcurl to use a smaller sized buffer as it allows us to
862 make better sleeps! 7.9.9 stuff! */
863 my_setopt(curl, CURLOPT_BUFFERSIZE, (long)config->recvpersecond);
865 /* size of uploaded file: */
866 if(uploadfilesize != -1)
867 my_setopt(curl, CURLOPT_INFILESIZE_LARGE, uploadfilesize);
868 my_setopt_str(curl, CURLOPT_URL, this_url); /* what to fetch */
869 my_setopt(curl, CURLOPT_NOPROGRESS, config->noprogress?1L:0L);
870 if(config->no_body) {
871 my_setopt(curl, CURLOPT_NOBODY, 1L);
872 my_setopt(curl, CURLOPT_HEADER, 1L);
874 /* If --metalink is used, we ignore --include (headers in
875 output) option because mixing headers to the body will
876 confuse XML parser and/or hash check will fail. */
877 else if(!config->use_metalink)
878 my_setopt(curl, CURLOPT_HEADER, config->include_headers?1L:0L);
880 if(config->xoauth2_bearer)
881 my_setopt_str(curl, CURLOPT_XOAUTH2_BEARER, config->xoauth2_bearer);
883 #if !defined(CURL_DISABLE_PROXY)
885 /* TODO: Make this a run-time check instead of compile-time one. */
887 my_setopt_str(curl, CURLOPT_PROXY, config->proxy);
888 my_setopt_str(curl, CURLOPT_PROXYUSERPWD, config->proxyuserpwd);
890 /* new in libcurl 7.3 */
891 my_setopt(curl, CURLOPT_HTTPPROXYTUNNEL, config->proxytunnel?1L:0L);
893 /* new in libcurl 7.5 */
895 my_setopt_enum(curl, CURLOPT_PROXYTYPE, (long)config->proxyver);
897 /* new in libcurl 7.10 */
898 if(config->socksproxy) {
899 my_setopt_str(curl, CURLOPT_PROXY, config->socksproxy);
900 my_setopt_enum(curl, CURLOPT_PROXYTYPE, (long)config->socksver);
903 /* new in libcurl 7.10.6 */
904 if(config->proxyanyauth)
905 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
907 else if(config->proxynegotiate)
908 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
909 (long)CURLAUTH_GSSNEGOTIATE);
910 else if(config->proxyntlm)
911 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
912 (long)CURLAUTH_NTLM);
913 else if(config->proxydigest)
914 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
915 (long)CURLAUTH_DIGEST);
916 else if(config->proxybasic)
917 my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
918 (long)CURLAUTH_BASIC);
920 /* new in libcurl 7.19.4 */
921 my_setopt(curl, CURLOPT_NOPROXY, config->noproxy);
925 my_setopt(curl, CURLOPT_FAILONERROR, config->failonerror?1L:0L);
926 my_setopt(curl, CURLOPT_UPLOAD, uploadfile?1L:0L);
927 my_setopt(curl, CURLOPT_DIRLISTONLY, config->dirlistonly?1L:0L);
928 my_setopt(curl, CURLOPT_APPEND, config->ftp_append?1L:0L);
930 if(config->netrc_opt)
931 my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_OPTIONAL);
932 else if(config->netrc || config->netrc_file)
933 my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_REQUIRED);
935 my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_IGNORED);
937 if(config->netrc_file)
938 my_setopt(curl, CURLOPT_NETRC_FILE, config->netrc_file);
940 my_setopt(curl, CURLOPT_TRANSFERTEXT, config->use_ascii?1L:0L);
941 if(config->login_options)
942 my_setopt_str(curl, CURLOPT_LOGIN_OPTIONS, config->login_options);
943 my_setopt_str(curl, CURLOPT_USERPWD, config->userpwd);
944 my_setopt_str(curl, CURLOPT_RANGE, config->range);
945 my_setopt(curl, CURLOPT_ERRORBUFFER, errorbuffer);
946 my_setopt(curl, CURLOPT_TIMEOUT_MS, (long)(config->timeout * 1000));
948 if(built_in_protos & CURLPROTO_HTTP) {
952 my_setopt(curl, CURLOPT_FOLLOWLOCATION,
953 config->followlocation?1L:0L);
954 my_setopt(curl, CURLOPT_UNRESTRICTED_AUTH,
955 config->unrestricted_auth?1L:0L);
957 switch(config->httpreq) {
958 case HTTPREQ_SIMPLEPOST:
959 my_setopt_str(curl, CURLOPT_POSTFIELDS,
961 my_setopt(curl, CURLOPT_POSTFIELDSIZE_LARGE,
962 config->postfieldsize);
965 my_setopt_httppost(curl, CURLOPT_HTTPPOST, config->httppost);
971 my_setopt_str(curl, CURLOPT_REFERER, config->referer);
972 my_setopt(curl, CURLOPT_AUTOREFERER, config->autoreferer?1L:0L);
973 my_setopt_str(curl, CURLOPT_USERAGENT, config->useragent);
974 my_setopt_slist(curl, CURLOPT_HTTPHEADER, config->headers);
976 /* new in libcurl 7.5 */
977 my_setopt(curl, CURLOPT_MAXREDIRS, config->maxredirs);
979 /* new in libcurl 7.9.1 */
980 if(config->httpversion)
981 my_setopt_enum(curl, CURLOPT_HTTP_VERSION, config->httpversion);
983 /* new in libcurl 7.10.6 (default is Basic) */
985 my_setopt_bitmask(curl, CURLOPT_HTTPAUTH, (long)config->authtype);
987 /* curl 7.19.1 (the 301 version existed in 7.18.2),
988 303 was added in 7.26.0 */
990 postRedir |= CURL_REDIR_POST_301;
992 postRedir |= CURL_REDIR_POST_302;
994 postRedir |= CURL_REDIR_POST_303;
995 my_setopt(curl, CURLOPT_POSTREDIR, postRedir);
997 /* new in libcurl 7.21.6 */
999 my_setopt_str(curl, CURLOPT_ACCEPT_ENCODING, "");
1001 /* new in libcurl 7.21.6 */
1002 if(config->tr_encoding)
1003 my_setopt(curl, CURLOPT_TRANSFER_ENCODING, 1L);
1005 } /* (built_in_protos & CURLPROTO_HTTP) */
1007 my_setopt_str(curl, CURLOPT_FTPPORT, config->ftpport);
1008 my_setopt(curl, CURLOPT_LOW_SPEED_LIMIT,
1009 config->low_speed_limit);
1010 my_setopt(curl, CURLOPT_LOW_SPEED_TIME, config->low_speed_time);
1011 my_setopt(curl, CURLOPT_MAX_SEND_SPEED_LARGE,
1012 config->sendpersecond);
1013 my_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE,
1014 config->recvpersecond);
1016 if(config->use_resume)
1017 my_setopt(curl, CURLOPT_RESUME_FROM_LARGE, config->resume_from);
1019 my_setopt(curl, CURLOPT_RESUME_FROM_LARGE, CURL_OFF_T_C(0));
1021 my_setopt_str(curl, CURLOPT_SSLCERT, config->cert);
1022 my_setopt_str(curl, CURLOPT_SSLCERTTYPE, config->cert_type);
1023 my_setopt_str(curl, CURLOPT_SSLKEY, config->key);
1024 my_setopt_str(curl, CURLOPT_SSLKEYTYPE, config->key_type);
1025 my_setopt_str(curl, CURLOPT_KEYPASSWD, config->key_passwd);
1027 if(built_in_protos & (CURLPROTO_SCP|CURLPROTO_SFTP)) {
1029 /* SSH and SSL private key uses same command-line option */
1030 /* new in libcurl 7.16.1 */
1031 my_setopt_str(curl, CURLOPT_SSH_PRIVATE_KEYFILE, config->key);
1032 /* new in libcurl 7.16.1 */
1033 my_setopt_str(curl, CURLOPT_SSH_PUBLIC_KEYFILE, config->pubkey);
1035 /* new in libcurl 7.17.1: SSH host key md5 checking allows us
1036 to fail if we are not talking to who we think we should */
1037 my_setopt_str(curl, CURLOPT_SSH_HOST_PUBLIC_KEY_MD5,
1038 config->hostpubmd5);
1042 my_setopt_str(curl, CURLOPT_CAINFO, config->cacert);
1044 my_setopt_str(curl, CURLOPT_CAPATH, config->capath);
1046 my_setopt_str(curl, CURLOPT_CRLFILE, config->crlfile);
1048 if(curlinfo->features & CURL_VERSION_SSL) {
1049 if(config->insecure_ok) {
1050 my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
1051 my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
1054 my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);
1055 /* libcurl default is strict verifyhost -> 2L */
1056 /* my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 2L); */
1060 if(built_in_protos & (CURLPROTO_SCP|CURLPROTO_SFTP)) {
1061 if(!config->insecure_ok) {
1064 res = CURLE_OUT_OF_MEMORY;
1067 file = aprintf("%s/%sssh/known_hosts", home, DOT_CHAR);
1069 /* new in curl 7.19.6 */
1070 res = res_setopt_str(curl, CURLOPT_SSH_KNOWNHOSTS, file);
1072 if(res == CURLE_UNKNOWN_OPTION)
1073 /* libssh2 version older than 1.1.1 */
1076 Curl_safefree(home);
1083 if(config->no_body || config->remote_time) {
1084 /* no body or use remote time */
1085 my_setopt(curl, CURLOPT_FILETIME, 1L);
1088 my_setopt(curl, CURLOPT_CRLF, config->crlf?1L:0L);
1089 my_setopt_slist(curl, CURLOPT_QUOTE, config->quote);
1090 my_setopt_slist(curl, CURLOPT_POSTQUOTE, config->postquote);
1091 my_setopt_slist(curl, CURLOPT_PREQUOTE, config->prequote);
1093 #if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
1095 /* TODO: Make this a run-time check instead of compile-time one. */
1098 my_setopt_str(curl, CURLOPT_COOKIE, config->cookie);
1100 if(config->cookiefile)
1101 my_setopt_str(curl, CURLOPT_COOKIEFILE, config->cookiefile);
1103 /* new in libcurl 7.9 */
1104 if(config->cookiejar)
1105 my_setopt_str(curl, CURLOPT_COOKIEJAR, config->cookiejar);
1107 /* new in libcurl 7.9.7 */
1108 my_setopt(curl, CURLOPT_COOKIESESSION, config->cookiesession?1L:0L);
1112 my_setopt_enum(curl, CURLOPT_SSLVERSION, config->ssl_version);
1113 my_setopt_enum(curl, CURLOPT_TIMECONDITION, (long)config->timecond);
1114 my_setopt(curl, CURLOPT_TIMEVALUE, (long)config->condtime);
1115 my_setopt_str(curl, CURLOPT_CUSTOMREQUEST, config->customrequest);
1116 my_setopt(curl, CURLOPT_STDERR, config->errors);
1118 /* three new ones in libcurl 7.3: */
1119 my_setopt_str(curl, CURLOPT_INTERFACE, config->iface);
1120 my_setopt_str(curl, CURLOPT_KRBLEVEL, config->krblevel);
1122 progressbarinit(&progressbar, config);
1123 if((config->progressmode == CURL_PROGRESS_BAR) &&
1124 !config->noprogress && !config->mute) {
1125 /* we want the alternative style, then we have to implement it
1127 my_setopt(curl, CURLOPT_XFERINFOFUNCTION, tool_progress_cb);
1128 my_setopt(curl, CURLOPT_XFERINFODATA, &progressbar);
1131 /* new in libcurl 7.24.0: */
1132 if(config->dns_servers)
1133 my_setopt_str(curl, CURLOPT_DNS_SERVERS, config->dns_servers);
1135 /* new in libcurl 7.33.0: */
1136 if(config->dns_interface)
1137 my_setopt_str(curl, CURLOPT_DNS_INTERFACE, config->dns_interface);
1138 if(config->dns_ipv4_addr)
1139 my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP4, config->dns_ipv4_addr);
1140 if(config->dns_ipv6_addr)
1141 my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP6, config->dns_ipv6_addr);
1143 /* new in libcurl 7.6.2: */
1144 my_setopt_slist(curl, CURLOPT_TELNETOPTIONS, config->telnet_options);
1146 /* new in libcurl 7.7: */
1147 my_setopt_str(curl, CURLOPT_RANDOM_FILE, config->random_file);
1148 my_setopt_str(curl, CURLOPT_EGDSOCKET, config->egd_file);
1149 my_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS,
1150 (long)(config->connecttimeout * 1000));
1152 if(config->cipher_list)
1153 my_setopt_str(curl, CURLOPT_SSL_CIPHER_LIST, config->cipher_list);
1155 /* new in libcurl 7.9.2: */
1156 if(config->disable_epsv)
1158 my_setopt(curl, CURLOPT_FTP_USE_EPSV, 0L);
1160 /* new in libcurl 7.10.5 */
1161 if(config->disable_eprt)
1163 my_setopt(curl, CURLOPT_FTP_USE_EPRT, 0L);
1165 if(config->tracetype != TRACE_NONE) {
1166 my_setopt(curl, CURLOPT_DEBUGFUNCTION, tool_debug_cb);
1167 my_setopt(curl, CURLOPT_DEBUGDATA, config);
1168 my_setopt(curl, CURLOPT_VERBOSE, 1L);
1171 /* new in curl 7.9.3 */
1172 if(config->engine) {
1173 res = res_setopt_str(curl, CURLOPT_SSLENGINE, config->engine);
1176 my_setopt(curl, CURLOPT_SSLENGINE_DEFAULT, 1L);
1179 /* new in curl 7.10.7, extended in 7.19.4 but this only sets 0 or 1 */
1180 my_setopt(curl, CURLOPT_FTP_CREATE_MISSING_DIRS,
1181 config->ftp_create_dirs?1L:0L);
1183 /* new in curl 7.10.8 */
1184 if(config->max_filesize)
1185 my_setopt(curl, CURLOPT_MAXFILESIZE_LARGE,
1186 config->max_filesize);
1188 if(4 == config->ip_version)
1189 my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
1190 else if(6 == config->ip_version)
1191 my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6);
1193 my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_WHATEVER);
1195 /* new in curl 7.15.5 */
1196 if(config->ftp_ssl_reqd)
1197 my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
1199 /* new in curl 7.11.0 */
1200 else if(config->ftp_ssl)
1201 my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_TRY);
1203 /* new in curl 7.16.0 */
1204 else if(config->ftp_ssl_control)
1205 my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_CONTROL);
1207 /* new in curl 7.16.1 */
1208 if(config->ftp_ssl_ccc)
1209 my_setopt_enum(curl, CURLOPT_FTP_SSL_CCC,
1210 (long)config->ftp_ssl_ccc_mode);
1212 #if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
1214 /* TODO: Make this a run-time check instead of compile-time one. */
1216 /* new in curl 7.19.4 */
1217 if(config->socks5_gssapi_service)
1218 my_setopt_str(curl, CURLOPT_SOCKS5_GSSAPI_SERVICE,
1219 config->socks5_gssapi_service);
1221 /* new in curl 7.19.4 */
1222 if(config->socks5_gssapi_nec)
1223 my_setopt_str(curl, CURLOPT_SOCKS5_GSSAPI_NEC,
1224 config->socks5_gssapi_nec);
1228 my_setopt_str(curl, CURLOPT_FTP_ACCOUNT, config->ftp_account);
1230 my_setopt(curl, CURLOPT_IGNORE_CONTENT_LENGTH, config->ignorecl?1L:0L);
1233 my_setopt(curl, CURLOPT_FTP_SKIP_PASV_IP, config->ftp_skip_ip?1L:0L);
1236 my_setopt(curl, CURLOPT_FTP_FILEMETHOD, (long)config->ftp_filemethod);
1239 if(config->localport) {
1240 my_setopt(curl, CURLOPT_LOCALPORT, (long)config->localport);
1241 my_setopt_str(curl, CURLOPT_LOCALPORTRANGE,
1242 (long)config->localportrange);
1246 my_setopt_str(curl, CURLOPT_FTP_ALTERNATIVE_TO_USER,
1247 config->ftp_alternative_to_user);
1250 if(config->disable_sessionid)
1252 my_setopt(curl, CURLOPT_SSL_SESSIONID_CACHE, 0L);
1256 my_setopt(curl, CURLOPT_HTTP_CONTENT_DECODING, 0L);
1257 my_setopt(curl, CURLOPT_HTTP_TRANSFER_DECODING, 0L);
1261 if(!config->nokeepalive) {
1262 my_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
1263 if(config->alivetime != 0) {
1264 #if !defined(TCP_KEEPIDLE) || !defined(TCP_KEEPINTVL)
1265 warnf(config, "Keep-alive functionality somewhat crippled due to "
1266 "missing support in your operating system!\n");
1268 my_setopt(curl, CURLOPT_TCP_KEEPIDLE, config->alivetime);
1269 my_setopt(curl, CURLOPT_TCP_KEEPINTVL, config->alivetime);
1273 my_setopt(curl, CURLOPT_TCP_KEEPALIVE, 0L);
1276 if(config->tftp_blksize)
1277 my_setopt(curl, CURLOPT_TFTP_BLKSIZE, config->tftp_blksize);
1279 if(config->mail_from)
1280 my_setopt_str(curl, CURLOPT_MAIL_FROM, config->mail_from);
1282 if(config->mail_rcpt)
1283 my_setopt_slist(curl, CURLOPT_MAIL_RCPT, config->mail_rcpt);
1286 if(config->ftp_pret)
1287 my_setopt(curl, CURLOPT_FTP_USE_PRET, 1L);
1289 if(config->proto_present)
1290 my_setopt_flags(curl, CURLOPT_PROTOCOLS, config->proto);
1291 if(config->proto_redir_present)
1292 my_setopt_flags(curl, CURLOPT_REDIR_PROTOCOLS, config->proto_redir);
1294 if(config->content_disposition
1295 && (urlnode->flags & GETOUT_USEREMOTE)
1296 && (checkprefix("http://", this_url) ||
1297 checkprefix("https://", this_url)))
1298 hdrcbdata.honor_cd_filename = TRUE;
1300 hdrcbdata.honor_cd_filename = FALSE;
1302 hdrcbdata.outs = &outs;
1303 hdrcbdata.heads = &heads;
1305 my_setopt(curl, CURLOPT_HEADERFUNCTION, tool_header_cb);
1306 my_setopt(curl, CURLOPT_HEADERDATA, &hdrcbdata);
1310 my_setopt_slist(curl, CURLOPT_RESOLVE, config->resolve);
1313 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) {
1314 if(config->tls_username)
1315 my_setopt_str(curl, CURLOPT_TLSAUTH_USERNAME,
1316 config->tls_username);
1317 if(config->tls_password)
1318 my_setopt_str(curl, CURLOPT_TLSAUTH_PASSWORD,
1319 config->tls_password);
1320 if(config->tls_authtype)
1321 my_setopt_str(curl, CURLOPT_TLSAUTH_TYPE,
1322 config->tls_authtype);
1326 if(config->gssapi_delegation)
1327 my_setopt_str(curl, CURLOPT_GSSAPI_DELEGATION,
1328 config->gssapi_delegation);
1331 if(config->ssl_allow_beast)
1332 my_setopt(curl, CURLOPT_SSL_OPTIONS, (long)CURLSSLOPT_ALLOW_BEAST);
1334 if(config->mail_auth)
1335 my_setopt_str(curl, CURLOPT_MAIL_AUTH, config->mail_auth);
1339 my_setopt(curl, CURLOPT_SASL_IR, 1L);
1342 my_setopt(curl, CURLOPT_SSL_ENABLE_NPN, 0L);
1345 if(config->noalpn) {
1346 my_setopt(curl, CURLOPT_SSL_ENABLE_ALPN, 0L);
1349 /* initialize retry vars for loop below */
1350 retry_sleep_default = (config->retry_delay) ?
1351 config->retry_delay*1000L : RETRY_SLEEP_DEFAULT; /* ms */
1353 retry_numretries = config->req_retry;
1354 retry_sleep = retry_sleep_default; /* ms */
1355 retrystart = tvnow();
1357 #ifndef CURL_DISABLE_LIBCURL_OPTION
1358 res = easysrc_perform();
1366 if(!metalink && config->use_metalink) {
1367 /* If outs.metalink_parser is non-NULL, delete it first. */
1368 if(outs.metalink_parser)
1369 metalink_parser_context_delete(outs.metalink_parser);
1370 outs.metalink_parser = metalink_parser_context_new();
1371 if(outs.metalink_parser == NULL) {
1372 res = CURLE_OUT_OF_MEMORY;
1375 fprintf(config->errors, "Metalink: parsing (%s) metalink/XML...\n",
1379 fprintf(config->errors, "Metalink: fetching (%s) from (%s)...\n",
1380 mlfile->filename, this_url);
1381 #endif /* USE_METALINK */
1384 if(config->test_event_based)
1385 res = curl_easy_perform_ev(curl);
1388 res = curl_easy_perform(curl);
1390 if(outs.is_cd_filename && outs.stream && !config->mute &&
1392 printf("curl: Saved to filename '%s'\n", outs.filename);
1394 /* if retry-max-time is non-zero, make sure we haven't exceeded the
1396 if(retry_numretries &&
1397 (!config->retry_maxtime ||
1398 (tvdiff(tvnow(), retrystart) <
1399 config->retry_maxtime*1000L)) ) {
1405 RETRY_LAST /* not used */
1408 if((CURLE_OPERATION_TIMEDOUT == res) ||
1409 (CURLE_COULDNT_RESOLVE_HOST == res) ||
1410 (CURLE_COULDNT_RESOLVE_PROXY == res) ||
1411 (CURLE_FTP_ACCEPT_TIMEOUT == res))
1412 /* retry timeout always */
1413 retry = RETRY_TIMEOUT;
1414 else if((CURLE_OK == res) ||
1415 (config->failonerror &&
1416 (CURLE_HTTP_RETURNED_ERROR == res))) {
1417 /* If it returned OK. _or_ failonerror was enabled and it
1418 returned due to such an error, check for HTTP transient
1419 errors to retry on. */
1420 char *effective_url = NULL;
1421 curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &effective_url);
1423 checkprefix("http", effective_url)) {
1424 /* This was HTTP(S) */
1425 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
1428 case 500: /* Internal Server Error */
1429 case 502: /* Bad Gateway */
1430 case 503: /* Service Unavailable */
1431 case 504: /* Gateway Timeout */
1434 * At this point, we have already written data to the output
1435 * file (or terminal). If we write to a file, we must rewind
1436 * or close/re-open the file so that the next attempt starts
1437 * over from the beginning.
1439 * TODO: similar action for the upload case. We might need
1440 * to start over reading from a previous point if we have
1441 * uploaded something when this was returned.
1448 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
1450 if(response/100 == 4)
1452 * This is typically when the FTP server only allows a certain
1453 * amount of users and we are not one of them. All 4xx codes
1460 static const char * const m[]={
1461 NULL, "timeout", "HTTP error", "FTP error"
1463 warnf(config, "Transient problem: %s "
1464 "Will retry in %ld seconds. "
1465 "%ld retries left.\n",
1466 m[retry], retry_sleep/1000L, retry_numretries);
1468 tool_go_sleep(retry_sleep);
1470 if(!config->retry_delay) {
1472 if(retry_sleep > RETRY_SLEEP_MAX)
1473 retry_sleep = RETRY_SLEEP_MAX;
1475 if(outs.bytes && outs.filename) {
1476 /* We have written data to a output file, we truncate file
1479 fprintf(config->errors, "Throwing away %"
1480 CURL_FORMAT_CURL_OFF_T " bytes\n",
1482 fflush(outs.stream);
1483 /* truncate file at the position where we started appending */
1484 #ifdef HAVE_FTRUNCATE
1485 if(ftruncate( fileno(outs.stream), outs.init)) {
1486 /* when truncate fails, we can't just append as then we'll
1487 create something strange, bail out */
1489 fprintf(config->errors,
1490 "failed to truncate, exiting\n");
1491 res = CURLE_WRITE_ERROR;
1494 /* now seek to the end of the file, the position where we
1495 just truncated the file in a large file-safe way */
1496 fseek(outs.stream, 0, SEEK_END);
1498 /* ftruncate is not available, so just reposition the file
1499 to the location we would have truncated it. This won't
1500 work properly with large files on 32-bit systems, but
1501 most of those will have ftruncate. */
1502 fseek(outs.stream, (long)outs.init, SEEK_SET);
1504 outs.bytes = 0; /* clear for next round */
1506 continue; /* curl_easy_perform loop */
1508 } /* if retry_numretries */
1510 /* Metalink: Decide to try the next resource or
1511 not. Basically, we want to try the next resource if
1512 download was not successful. */
1514 if(CURLE_OK == res) {
1515 /* TODO We want to try next resource when download was
1516 not successful. How to know that? */
1517 char *effective_url = NULL;
1518 curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &effective_url);
1520 curlx_strnequal(effective_url, "http", 4)) {
1521 /* This was HTTP(S) */
1522 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
1523 if(response != 200 && response != 206) {
1524 metalink_next_res = 1;
1525 fprintf(config->errors,
1526 "Metalink: fetching (%s) from (%s) FAILED "
1527 "(HTTP status code %d)\n",
1528 mlfile->filename, this_url, response);
1533 metalink_next_res = 1;
1534 fprintf(config->errors,
1535 "Metalink: fetching (%s) from (%s) FAILED (%s)\n",
1536 mlfile->filename, this_url,
1538 errorbuffer : curl_easy_strerror((CURLcode)res));
1541 if(metalink && !metalink_next_res)
1542 fprintf(config->errors, "Metalink: fetching (%s) from (%s) OK\n",
1543 mlfile->filename, this_url);
1545 /* In all ordinary cases, just break out of loop here */
1546 break; /* curl_easy_perform loop */
1550 if((config->progressmode == CURL_PROGRESS_BAR) &&
1552 /* if the custom progress bar has been displayed, we output a
1554 fputs("\n", progressbar.out);
1556 if(config->writeout)
1557 ourWriteOut(curl, &outs, config->writeout);
1559 if(config->writeenv)
1563 ** Code within this loop may jump directly here to label 'show_error'
1564 ** in order to display an error message for CURLcode stored in 'res'
1565 ** variable and exit loop once that necessary writing and cleanup
1566 ** in label 'quit_urls' has been done.
1572 if(is_vms_shell()) {
1573 /* VMS DCL shell behavior */
1574 if(!config->showerror)
1575 vms_show = VMSSTS_HIDE;
1579 if(res && config->showerror) {
1580 fprintf(config->errors, "curl: (%d) %s\n", res, (errorbuffer[0]) ?
1581 errorbuffer : curl_easy_strerror((CURLcode)res));
1582 if(res == CURLE_SSL_CACERT)
1583 fprintf(config->errors, "%s%s",
1584 CURL_CA_CERT_ERRORMSG1, CURL_CA_CERT_ERRORMSG2);
1587 /* Fall through comment to 'quit_urls' label */
1590 ** Upon error condition and always that a message has already been
1591 ** displayed, code within this loop may jump directly here to label
1592 ** 'quit_urls' otherwise it should jump to 'show_error' label above.
1594 ** When 'res' variable is _not_ CURLE_OK loop will exit once that
1595 ** all code following 'quit_urls' has been executed. Otherwise it
1596 ** will loop to the beginning from where it may exit if there are
1597 ** no more urls left.
1602 /* Set file extended attributes */
1603 if(!res && config->xattr && outs.fopened && outs.stream) {
1604 int rc = fwrite_xattr(curl, fileno(outs.stream));
1606 warnf(config, "Error setting extended attributes: %s\n",
1610 /* Close the file */
1611 if(outs.fopened && outs.stream) {
1612 int rc = fclose(outs.stream);
1614 /* something went wrong in the writing process */
1615 res = CURLE_WRITE_ERROR;
1616 fprintf(config->errors, "(%d) Failed writing body\n", res);
1619 else if(!outs.s_isreg && outs.stream) {
1620 /* Dump standard stream buffered data */
1621 int rc = fflush(outs.stream);
1623 /* something went wrong in the writing process */
1624 res = CURLE_WRITE_ERROR;
1625 fprintf(config->errors, "(%d) Failed writing body\n", res);
1630 if(!res && outs.s_isreg && outs.filename) {
1631 /* Set the url (up to 80 chars) as comment for the file */
1632 if(strlen(url) > 78)
1634 SetComment(outs.filename, url);
1639 /* File time can only be set _after_ the file has been closed */
1640 if(!res && config->remote_time && outs.s_isreg && outs.filename) {
1641 /* Ask libcurl if we got a remote file time */
1643 curl_easy_getinfo(curl, CURLINFO_FILETIME, &filetime);
1645 struct utimbuf times;
1646 times.actime = (time_t)filetime;
1647 times.modtime = (time_t)filetime;
1648 utime(outs.filename, ×); /* set the time we got */
1654 if(!metalink && config->use_metalink && res == CURLE_OK) {
1655 int rv = parse_metalink(config, &outs, this_url);
1657 fprintf(config->errors, "Metalink: parsing (%s) OK\n", this_url);
1659 fprintf(config->errors, "Metalink: parsing (%s) FAILED\n",
1662 else if(metalink && res == CURLE_OK && !metalink_next_res) {
1663 int rv = metalink_check_hash(config, mlfile, outs.filename);
1665 metalink_next_res = 1;
1668 #endif /* USE_METALINK */
1670 /* No more business with this output struct */
1671 if(outs.alloc_filename)
1672 Curl_safefree(outs.filename);
1674 if(outs.metalink_parser)
1675 metalink_parser_context_delete(outs.metalink_parser);
1676 #endif /* USE_METALINK */
1677 memset(&outs, 0, sizeof(struct OutStruct));
1678 hdrcbdata.outs = NULL;
1680 /* Free loop-local allocated memory and close loop-local opened fd */
1682 Curl_safefree(outfile);
1683 Curl_safefree(this_url);
1689 /* Should exit if error is fatal. */
1690 if(is_fatal_error(res)) {
1693 if(!metalink_next_res)
1695 mlres = mlres->next;
1697 /* TODO If metalink_next_res is 1 and mlres is NULL,
1698 * set res to error code
1704 /* when url globbing, exit loop upon critical error */
1705 if(is_fatal_error(res))
1709 /* when not url globbing, exit loop upon any error */
1712 } /* loop to the next URL */
1714 /* Free loop-local allocated memory */
1716 Curl_safefree(uploadfile);
1719 /* Free list of remaining URLs */
1725 /* when file globbing, exit loop upon critical error */
1726 if(is_fatal_error(res))
1730 /* when not file globbing, exit loop upon any error */
1733 } /* loop to the next globbed upload file */
1735 /* Free loop-local allocated memory */
1737 Curl_safefree(outfiles);
1740 /* Free list of globbed upload files */
1741 glob_cleanup(inglob);
1745 /* Free this URL node data without destroying the
1746 the node itself nor modifying next pointer. */
1747 Curl_safefree(urlnode->url);
1748 Curl_safefree(urlnode->outfile);
1749 Curl_safefree(urlnode->infile);
1753 ** Bail out upon critical errors
1755 if(is_fatal_error(res))
1758 } /* for-loop through all URLs */
1761 ** Nested loops end here.
1766 /* Free function-local referenced allocated memory */
1767 Curl_safefree(httpgetfields);
1769 /* Free list of given URLs */
1770 clean_getout(config);
1772 #ifndef CURL_DISABLE_LIBCURL_OPTION
1776 hdrcbdata.heads = NULL;
1778 /* Close function-local opened file descriptors */
1780 if(heads.fopened && heads.stream)
1781 fclose(heads.stream);
1782 if(heads.alloc_filename)
1783 Curl_safefree(heads.filename);
1785 #ifndef CURL_DISABLE_LIBCURL_OPTION
1786 /* Dump the libcurl code if previously enabled.
1787 NOTE: that this function relies on config->errors amongst other things
1788 so not everything can be closed and cleaned before this is called */
1789 dumpeasysrc(config);
1792 return (CURLcode)res;
1795 static void operate_free(struct Configurable *config)
1798 curl_easy_cleanup(config->easy);
1799 config->easy = NULL;
1802 /* Release metalink related resources here */
1803 clean_metalink(config);
1806 CURLcode operate(struct Configurable *config, int argc, argv_item_t argv[])
1808 CURLcode result = CURLE_OK;
1810 /* Initialize the easy interface */
1811 result = operate_init(config);
1815 /* Parse .curlrc if necessary */
1816 if((argc == 1) || (!curlx_strequal(argv[1], "-q"))) {
1817 parseconfig(NULL, config); /* ignore possible failure */
1819 /* If we had no arguments then make sure a url was specified in .curlrc */
1820 if((argc < 2) && (!config->url_list)) {
1821 helpf(config->errors, NULL);
1822 result = CURLE_FAILED_INIT;
1827 /* Parse the command line arguments */
1828 ParameterError res = parse_args(config, argc, argv);
1832 /* Check if we were asked for the help */
1833 if(res == PARAM_HELP_REQUESTED)
1835 /* Check if we were asked for the manual */
1836 else if(res == PARAM_MANUAL_REQUESTED)
1838 /* Check if we were asked for the version information */
1839 else if(res == PARAM_VERSION_INFO_REQUESTED)
1840 tool_version_info();
1841 /* Check if we were asked to list the SSL engines */
1842 else if(res == PARAM_ENGINES_REQUESTED)
1843 tool_list_engines(config->easy);
1845 result = CURLE_FAILED_INIT;
1847 /* Perform the main operations */
1850 struct Configurable *operation = config;
1852 /* Get the required aguments for each operation */
1853 while(!result && operation) {
1854 result = get_args(operation, count++);
1856 operation = operation->next;
1859 /* Reset the operation pointer */
1862 /* Perform each operation */
1863 while(!result && operation) {
1864 result = operate_do(operation);
1866 operation = operation->next;
1871 /* Perform the cleanup */
1872 operate_free(config);