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