1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2020, 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 #elif defined(HAVE_UNISTD_H)
35 #  include <unistd.h>
36 #endif
37 
38 #ifdef __VMS
39 #  include <fabdef.h>
40 #endif
41 
42 #ifdef __AMIGA__
43 #  include <proto/dos.h>
44 #endif
45 
46 #include "strcase.h"
47 
48 #define ENABLE_CURLX_PRINTF
49 /* use our own printf() functions */
50 #include "curlx.h"
51 
52 #include "tool_binmode.h"
53 #include "tool_cfgable.h"
54 #include "tool_cb_dbg.h"
55 #include "tool_cb_hdr.h"
56 #include "tool_cb_prg.h"
57 #include "tool_cb_rea.h"
58 #include "tool_cb_see.h"
59 #include "tool_cb_wrt.h"
60 #include "tool_dirhie.h"
61 #include "tool_doswin.h"
62 #include "tool_easysrc.h"
63 #include "tool_filetime.h"
64 #include "tool_getparam.h"
65 #include "tool_helpers.h"
66 #include "tool_homedir.h"
67 #include "tool_libinfo.h"
68 #include "tool_main.h"
69 #include "tool_metalink.h"
70 #include "tool_msgs.h"
71 #include "tool_operate.h"
72 #include "tool_operhlp.h"
73 #include "tool_paramhlp.h"
74 #include "tool_parsecfg.h"
75 #include "tool_setopt.h"
76 #include "tool_sleep.h"
77 #include "tool_urlglob.h"
78 #include "tool_util.h"
79 #include "tool_writeout.h"
80 #include "tool_xattr.h"
81 #include "tool_vms.h"
82 #include "tool_help.h"
83 #include "tool_hugehelp.h"
84 #include "tool_progress.h"
85 
86 #include "memdebug.h" /* keep this as LAST include */
87 
88 #ifdef CURLDEBUG
89 /* libcurl's debug builds provide an extra function */
90 CURLcode curl_easy_perform_ev(CURL *easy);
91 #endif
92 
93 #define CURLseparator  "--_curl_--"
94 
95 #ifndef O_BINARY
96 /* since O_BINARY as used in bitmasks, setting it to zero makes it usable in
97    source code but yet it doesn't ruin anything */
98 #  define O_BINARY 0
99 #endif
100 
101 #define CURL_CA_CERT_ERRORMSG                                               \
102   "More details here: https://curl.haxx.se/docs/sslcerts.html\n\n"          \
103   "curl failed to verify the legitimacy of the server and therefore "       \
104   "could not\nestablish a secure connection to it. To learn more about "    \
105   "this situation and\nhow to fix it, please visit the web page mentioned " \
106   "above.\n"
107 
108 static CURLcode single_transfer(struct GlobalConfig *global,
109                                 struct OperationConfig *config,
110                                 CURLSH *share,
111                                 bool capath_from_env,
112                                 bool *added);
113 static CURLcode create_transfer(struct GlobalConfig *global,
114                                 CURLSH *share,
115                                 bool *added);
116 
is_fatal_error(CURLcode code)117 static bool is_fatal_error(CURLcode code)
118 {
119   switch(code) {
120   case CURLE_FAILED_INIT:
121   case CURLE_OUT_OF_MEMORY:
122   case CURLE_UNKNOWN_OPTION:
123   case CURLE_FUNCTION_NOT_FOUND:
124   case CURLE_BAD_FUNCTION_ARGUMENT:
125     /* critical error */
126     return TRUE;
127   default:
128     break;
129   }
130 
131   /* no error or not critical */
132   return FALSE;
133 }
134 
135 /*
136  * Check if a given string is a PKCS#11 URI
137  */
is_pkcs11_uri(const char * string)138 static bool is_pkcs11_uri(const char *string)
139 {
140   if(curl_strnequal(string, "pkcs11:", 7)) {
141     return TRUE;
142   }
143   else {
144     return FALSE;
145   }
146 }
147 
148 #ifdef __VMS
149 /*
150  * get_vms_file_size does what it takes to get the real size of the file
151  *
152  * For fixed files, find out the size of the EOF block and adjust.
153  *
154  * For all others, have to read the entire file in, discarding the contents.
155  * Most posted text files will be small, and binary files like zlib archives
156  * and CD/DVD images should be either a STREAM_LF format or a fixed format.
157  *
158  */
vms_realfilesize(const char * name,const struct_stat * stat_buf)159 static curl_off_t vms_realfilesize(const char *name,
160                                    const struct_stat *stat_buf)
161 {
162   char buffer[8192];
163   curl_off_t count;
164   int ret_stat;
165   FILE * file;
166 
167   /* !checksrc! disable FOPENMODE 1 */
168   file = fopen(name, "r"); /* VMS */
169   if(file == NULL) {
170     return 0;
171   }
172   count = 0;
173   ret_stat = 1;
174   while(ret_stat > 0) {
175     ret_stat = fread(buffer, 1, sizeof(buffer), file);
176     if(ret_stat != 0)
177       count += ret_stat;
178   }
179   fclose(file);
180 
181   return count;
182 }
183 
184 /*
185  *
186  *  VmsSpecialSize checks to see if the stat st_size can be trusted and
187  *  if not to call a routine to get the correct size.
188  *
189  */
VmsSpecialSize(const char * name,const struct_stat * stat_buf)190 static curl_off_t VmsSpecialSize(const char *name,
191                                  const struct_stat *stat_buf)
192 {
193   switch(stat_buf->st_fab_rfm) {
194   case FAB$C_VAR:
195   case FAB$C_VFC:
196     return vms_realfilesize(name, stat_buf);
197     break;
198   default:
199     return stat_buf->st_size;
200   }
201 }
202 #endif /* __VMS */
203 
204 #define BUFFER_SIZE (100*1024)
205 
206 struct per_transfer *transfers; /* first node */
207 static struct per_transfer *transfersl; /* last node */
208 
209 /* add_per_transfer creates a new 'per_transfer' node in the linked
210    list of transfers */
add_per_transfer(struct per_transfer ** per)211 static CURLcode add_per_transfer(struct per_transfer **per)
212 {
213   struct per_transfer *p;
214   p = calloc(sizeof(struct per_transfer), 1);
215   if(!p)
216     return CURLE_OUT_OF_MEMORY;
217   if(!transfers)
218     /* first entry */
219     transfersl = transfers = p;
220   else {
221     /* make the last node point to the new node */
222     transfersl->next = p;
223     /* make the new node point back to the formerly last node */
224     p->prev = transfersl;
225     /* move the last node pointer to the new entry */
226     transfersl = p;
227   }
228   *per = p;
229   all_xfers++; /* count total number of transfers added */
230   return CURLE_OK;
231 }
232 
233 /* Remove the specified transfer from the list (and free it), return the next
234    in line */
del_per_transfer(struct per_transfer * per)235 static struct per_transfer *del_per_transfer(struct per_transfer *per)
236 {
237   struct per_transfer *n;
238   struct per_transfer *p;
239   DEBUGASSERT(transfers);
240   DEBUGASSERT(transfersl);
241   DEBUGASSERT(per);
242 
243   n = per->next;
244   p = per->prev;
245 
246   if(p)
247     p->next = n;
248   else
249     transfers = n;
250 
251   if(n)
252     n->prev = p;
253   else
254     transfersl = p;
255 
256   free(per);
257 
258   return n;
259 }
260 
pre_transfer(struct GlobalConfig * global,struct per_transfer * per)261 static CURLcode pre_transfer(struct GlobalConfig *global,
262                              struct per_transfer *per)
263 {
264   curl_off_t uploadfilesize = -1;
265   struct_stat fileinfo;
266   CURLcode result = CURLE_OK;
267 
268   if(per->separator_err)
269     fprintf(global->errors, "%s\n", per->separator_err);
270   if(per->separator)
271     printf("%s\n", per->separator);
272 
273   if(per->uploadfile && !stdin_upload(per->uploadfile)) {
274     /* VMS Note:
275      *
276      * Reading binary from files can be a problem...  Only FIXED, VAR
277      * etc WITHOUT implied CC will work Others need a \n appended to a
278      * line
279      *
280      * - Stat gives a size but this is UNRELIABLE in VMS As a f.e. a
281      * fixed file with implied CC needs to have a byte added for every
282      * record processed, this can by derived from Filesize & recordsize
283      * for VARiable record files the records need to be counted!  for
284      * every record add 1 for linefeed and subtract 2 for the record
285      * header for VARIABLE header files only the bare record data needs
286      * to be considered with one appended if implied CC
287      */
288 #ifdef __VMS
289     /* Calculate the real upload size for VMS */
290     per->infd = -1;
291     if(stat(per->uploadfile, &fileinfo) == 0) {
292       fileinfo.st_size = VmsSpecialSize(uploadfile, &fileinfo);
293       switch(fileinfo.st_fab_rfm) {
294       case FAB$C_VAR:
295       case FAB$C_VFC:
296       case FAB$C_STMCR:
297         per->infd = open(per->uploadfile, O_RDONLY | O_BINARY);
298         break;
299       default:
300         per->infd = open(per->uploadfile, O_RDONLY | O_BINARY,
301                         "rfm=stmlf", "ctx=stm");
302       }
303     }
304     if(per->infd == -1)
305 #else
306       per->infd = open(per->uploadfile, O_RDONLY | O_BINARY);
307     if((per->infd == -1) || fstat(per->infd, &fileinfo))
308 #endif
309     {
310       helpf(global->errors, "Can't open '%s'!\n", per->uploadfile);
311       if(per->infd != -1) {
312         close(per->infd);
313         per->infd = STDIN_FILENO;
314       }
315       return CURLE_READ_ERROR;
316     }
317     per->infdopen = TRUE;
318 
319     /* we ignore file size for char/block devices, sockets, etc. */
320     if(S_ISREG(fileinfo.st_mode))
321       uploadfilesize = fileinfo.st_size;
322 
323     if(uploadfilesize != -1) {
324       struct OperationConfig *config = per->config; /* for the macro below */
325       my_setopt(per->curl, CURLOPT_INFILESIZE_LARGE, uploadfilesize);
326     }
327     per->input.fd = per->infd;
328   }
329   return result;
330 }
331 
332 /*
333  * Call this after a transfer has completed.
334  */
post_per_transfer(struct GlobalConfig * global,struct per_transfer * per,CURLcode result,bool * retryp,long * delay)335 static CURLcode post_per_transfer(struct GlobalConfig *global,
336                                   struct per_transfer *per,
337                                   CURLcode result,
338                                   bool *retryp,
339                                   long *delay) /* milliseconds! */
340 {
341   struct OutStruct *outs = &per->outs;
342   CURL *curl = per->curl;
343   struct OperationConfig *config = per->config;
344 
345   if(!curl || !config)
346     return result;
347 
348   *retryp = FALSE;
349   *delay = 0; /* for no retry, keep it zero */
350 
351   if(per->infdopen)
352     close(per->infd);
353 
354 #ifdef __VMS
355   if(is_vms_shell()) {
356     /* VMS DCL shell behavior */
357     if(!global->showerror)
358       vms_show = VMSSTS_HIDE;
359   }
360   else
361 #endif
362     if(config->synthetic_error) {
363       ;
364     }
365     else if(result && global->showerror) {
366       fprintf(global->errors, "curl: (%d) %s\n", result,
367               (per->errorbuffer[0]) ? per->errorbuffer :
368               curl_easy_strerror(result));
369       if(result == CURLE_PEER_FAILED_VERIFICATION)
370         fputs(CURL_CA_CERT_ERRORMSG, global->errors);
371     }
372 
373   /* Set file extended attributes */
374   if(!result && config->xattr && outs->fopened && outs->stream) {
375     int rc = fwrite_xattr(curl, fileno(outs->stream));
376     if(rc)
377       warnf(config->global, "Error setting extended attributes: %s\n",
378             strerror(errno));
379   }
380 
381   if(!result && !outs->stream && !outs->bytes) {
382     /* we have received no data despite the transfer was successful
383        ==> force cration of an empty output file (if an output file
384        was specified) */
385     long cond_unmet = 0L;
386     /* do not create (or even overwrite) the file in case we get no
387        data because of unmet condition */
388     curl_easy_getinfo(curl, CURLINFO_CONDITION_UNMET, &cond_unmet);
389     if(!cond_unmet && !tool_create_output_file(outs, config))
390       result = CURLE_WRITE_ERROR;
391   }
392 
393   if(!outs->s_isreg && outs->stream) {
394     /* Dump standard stream buffered data */
395     int rc = fflush(outs->stream);
396     if(!result && rc) {
397       /* something went wrong in the writing process */
398       result = CURLE_WRITE_ERROR;
399       fprintf(global->errors, "(%d) Failed writing body\n", result);
400     }
401   }
402 
403 #ifdef USE_METALINK
404   if(per->metalink && !per->metalink_next_res)
405     fprintf(global->errors, "Metalink: fetching (%s) from (%s) OK\n",
406             per->mlfile->filename, per->this_url);
407 
408   if(!per->metalink && config->use_metalink && result == CURLE_OK) {
409     int rv = parse_metalink(config, outs, per->this_url);
410     if(!rv) {
411       fprintf(config->global->errors, "Metalink: parsing (%s) OK\n",
412               per->this_url);
413     }
414     else if(rv == -1)
415       fprintf(config->global->errors, "Metalink: parsing (%s) FAILED\n",
416               per->this_url);
417   }
418   else if(per->metalink && result == CURLE_OK && !per->metalink_next_res) {
419     int rv;
420     (void)fflush(outs->stream);
421     rv = metalink_check_hash(global, per->mlfile, outs->filename);
422     if(!rv)
423       per->metalink_next_res = 1;
424   }
425 #endif /* USE_METALINK */
426 
427 #ifdef USE_METALINK
428   if(outs->metalink_parser)
429     metalink_parser_context_delete(outs->metalink_parser);
430 #endif /* USE_METALINK */
431 
432   /* if retry-max-time is non-zero, make sure we haven't exceeded the
433      time */
434   if(per->retry_numretries &&
435      (!config->retry_maxtime ||
436       (tvdiff(tvnow(), per->retrystart) <
437        config->retry_maxtime*1000L)) ) {
438     enum {
439       RETRY_NO,
440       RETRY_ALL_ERRORS,
441       RETRY_TIMEOUT,
442       RETRY_CONNREFUSED,
443       RETRY_HTTP,
444       RETRY_FTP,
445       RETRY_LAST /* not used */
446     } retry = RETRY_NO;
447     long response = 0;
448     if((CURLE_OPERATION_TIMEDOUT == result) ||
449        (CURLE_COULDNT_RESOLVE_HOST == result) ||
450        (CURLE_COULDNT_RESOLVE_PROXY == result) ||
451        (CURLE_FTP_ACCEPT_TIMEOUT == result))
452       /* retry timeout always */
453       retry = RETRY_TIMEOUT;
454     else if(config->retry_connrefused &&
455             (CURLE_COULDNT_CONNECT == result)) {
456       long oserrno = 0;
457       curl_easy_getinfo(curl, CURLINFO_OS_ERRNO, &oserrno);
458       if(ECONNREFUSED == oserrno)
459         retry = RETRY_CONNREFUSED;
460     }
461     else if((CURLE_OK == result) ||
462             (config->failonerror &&
463              (CURLE_HTTP_RETURNED_ERROR == result))) {
464       /* If it returned OK. _or_ failonerror was enabled and it
465          returned due to such an error, check for HTTP transient
466          errors to retry on. */
467       long protocol = 0;
468       curl_easy_getinfo(curl, CURLINFO_PROTOCOL, &protocol);
469       if((protocol == CURLPROTO_HTTP) || (protocol == CURLPROTO_HTTPS)) {
470         /* This was HTTP(S) */
471         curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
472 
473         switch(response) {
474         case 429: /* Too Many Requests (RFC6585) */
475         case 500: /* Internal Server Error */
476         case 502: /* Bad Gateway */
477         case 503: /* Service Unavailable */
478         case 504: /* Gateway Timeout */
479           retry = RETRY_HTTP;
480           /*
481            * At this point, we have already written data to the output
482            * file (or terminal). If we write to a file, we must rewind
483            * or close/re-open the file so that the next attempt starts
484            * over from the beginning.
485            *
486            * TODO: similar action for the upload case. We might need
487            * to start over reading from a previous point if we have
488            * uploaded something when this was returned.
489            */
490           break;
491         }
492       }
493     } /* if CURLE_OK */
494     else if(result) {
495       long protocol = 0;
496 
497       curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
498       curl_easy_getinfo(curl, CURLINFO_PROTOCOL, &protocol);
499 
500       if((protocol == CURLPROTO_FTP || protocol == CURLPROTO_FTPS) &&
501          response / 100 == 4)
502         /*
503          * This is typically when the FTP server only allows a certain
504          * amount of users and we are not one of them.  All 4xx codes
505          * are transient.
506          */
507         retry = RETRY_FTP;
508     }
509 
510     if(result && !retry && config->retry_all_errors)
511       retry = RETRY_ALL_ERRORS;
512 
513     if(retry) {
514       long sleeptime = 0;
515       curl_off_t retry_after = 0;
516       static const char * const m[]={
517         NULL,
518         "(retrying all errors)",
519         ": timeout",
520         ": connection refused",
521         ": HTTP error",
522         ": FTP error"
523       };
524 
525       sleeptime = per->retry_sleep;
526       if(RETRY_HTTP == retry) {
527         curl_easy_getinfo(curl, CURLINFO_RETRY_AFTER, &retry_after);
528         if(retry_after) {
529           /* store in a 'long', make sure it doesn't overflow */
530           if(retry_after > LONG_MAX/1000)
531             sleeptime = LONG_MAX;
532           else
533             sleeptime = (long)retry_after * 1000; /* milliseconds */
534         }
535       }
536       warnf(config->global, "Problem %s. "
537             "Will retry in %ld seconds. "
538             "%ld retries left.\n",
539             m[retry], sleeptime/1000L, per->retry_numretries);
540 
541       per->retry_numretries--;
542       if(!config->retry_delay) {
543         per->retry_sleep *= 2;
544         if(per->retry_sleep > RETRY_SLEEP_MAX)
545           per->retry_sleep = RETRY_SLEEP_MAX;
546       }
547       if(outs->bytes && outs->filename && outs->stream) {
548         int rc;
549         /* We have written data to a output file, we truncate file
550          */
551         if(!global->mute)
552           fprintf(global->errors, "Throwing away %"
553                   CURL_FORMAT_CURL_OFF_T " bytes\n",
554                   outs->bytes);
555         fflush(outs->stream);
556         /* truncate file at the position where we started appending */
557 #ifdef HAVE_FTRUNCATE
558         if(ftruncate(fileno(outs->stream), outs->init)) {
559           /* when truncate fails, we can't just append as then we'll
560              create something strange, bail out */
561           if(!global->mute)
562             fprintf(global->errors,
563                     "failed to truncate, exiting\n");
564           return CURLE_WRITE_ERROR;
565         }
566         /* now seek to the end of the file, the position where we
567            just truncated the file in a large file-safe way */
568         rc = fseek(outs->stream, 0, SEEK_END);
569 #else
570         /* ftruncate is not available, so just reposition the file
571            to the location we would have truncated it. This won't
572            work properly with large files on 32-bit systems, but
573            most of those will have ftruncate. */
574         rc = fseek(outs->stream, (long)outs->init, SEEK_SET);
575 #endif
576         if(rc) {
577           if(!global->mute)
578             fprintf(global->errors,
579                     "failed seeking to end of file, exiting\n");
580           return CURLE_WRITE_ERROR;
581         }
582         outs->bytes = 0; /* clear for next round */
583       }
584       *retryp = TRUE;
585       *delay = sleeptime;
586       return CURLE_OK;
587     }
588   } /* if retry_numretries */
589   else if(per->metalink) {
590     /* Metalink: Decide to try the next resource or not. Try the next resource
591        if download was not successful. */
592     long response = 0;
593     if(CURLE_OK == result) {
594       /* TODO We want to try next resource when download was
595          not successful. How to know that? */
596       char *effective_url = NULL;
597       curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &effective_url);
598       if(effective_url &&
599          curl_strnequal(effective_url, "http", 4)) {
600         /* This was HTTP(S) */
601         curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
602         if(response != 200 && response != 206) {
603           per->metalink_next_res = 1;
604           fprintf(global->errors,
605                   "Metalink: fetching (%s) from (%s) FAILED "
606                   "(HTTP status code %ld)\n",
607                   per->mlfile->filename, per->this_url, response);
608         }
609       }
610     }
611     else {
612       per->metalink_next_res = 1;
613       fprintf(global->errors,
614               "Metalink: fetching (%s) from (%s) FAILED (%s)\n",
615               per->mlfile->filename, per->this_url,
616               curl_easy_strerror(result));
617     }
618   }
619 
620   if((global->progressmode == CURL_PROGRESS_BAR) &&
621      per->progressbar.calls)
622     /* if the custom progress bar has been displayed, we output a
623        newline here */
624     fputs("\n", per->progressbar.out);
625 
626   if(config->writeout)
627     ourWriteOut(per->curl, per, config->writeout);
628 
629   /* Close the outs file */
630   if(outs->fopened && outs->stream) {
631     int rc = fclose(outs->stream);
632     if(!result && rc) {
633       /* something went wrong in the writing process */
634       result = CURLE_WRITE_ERROR;
635       fprintf(global->errors, "(%d) Failed writing body\n", result);
636     }
637   }
638 
639   /* File time can only be set _after_ the file has been closed */
640   if(!result && config->remote_time && outs->s_isreg && outs->filename) {
641     /* Ask libcurl if we got a remote file time */
642     curl_off_t filetime = -1;
643     curl_easy_getinfo(curl, CURLINFO_FILETIME_T, &filetime);
644     setfiletime(filetime, outs->filename, config->global->errors);
645   }
646 
647   /* Close function-local opened file descriptors */
648   if(per->heads.fopened && per->heads.stream)
649     fclose(per->heads.stream);
650 
651   if(per->heads.alloc_filename)
652     Curl_safefree(per->heads.filename);
653 
654   if(per->etag_save.fopened && per->etag_save.stream)
655     fclose(per->etag_save.stream);
656 
657   if(per->etag_save.alloc_filename)
658     Curl_safefree(per->etag_save.filename);
659 
660   curl_easy_cleanup(per->curl);
661   if(outs->alloc_filename)
662     free(outs->filename);
663   free(per->this_url);
664   free(per->separator_err);
665   free(per->separator);
666   free(per->outfile);
667   free(per->uploadfile);
668 
669   return CURLE_OK;
670 }
671 
single_transfer_cleanup(struct OperationConfig * config)672 static void single_transfer_cleanup(struct OperationConfig *config)
673 {
674   if(config) {
675     struct State *state = &config->state;
676     if(state->urls) {
677       /* Free list of remaining URLs */
678       glob_cleanup(state->urls);
679       state->urls = NULL;
680     }
681     Curl_safefree(state->outfiles);
682     Curl_safefree(state->httpgetfields);
683     Curl_safefree(state->uploadfile);
684     if(state->inglob) {
685       /* Free list of globbed upload files */
686       glob_cleanup(state->inglob);
687       state->inglob = NULL;
688     }
689   }
690 }
691 
692 /* create the next (singular) transfer */
693 
single_transfer(struct GlobalConfig * global,struct OperationConfig * config,CURLSH * share,bool capath_from_env,bool * added)694 static CURLcode single_transfer(struct GlobalConfig *global,
695                                 struct OperationConfig *config,
696                                 CURLSH *share,
697                                 bool capath_from_env,
698                                 bool *added)
699 {
700   CURLcode result = CURLE_OK;
701   struct getout *urlnode;
702   struct metalinkfile *mlfile_last = NULL;
703   bool orig_noprogress = global->noprogress;
704   bool orig_isatty = global->isatty;
705   struct State *state = &config->state;
706   char *httpgetfields = state->httpgetfields;
707   *added = FALSE; /* not yet */
708 
709   if(config->postfields) {
710     if(config->use_httpget) {
711       if(!httpgetfields) {
712         /* Use the postfields data for a http get */
713         httpgetfields = state->httpgetfields = strdup(config->postfields);
714         Curl_safefree(config->postfields);
715         if(!httpgetfields) {
716           errorf(global, "out of memory\n");
717           result = CURLE_OUT_OF_MEMORY;
718         }
719         else if(SetHTTPrequest(config,
720                                (config->no_body?HTTPREQ_HEAD:HTTPREQ_GET),
721                                &config->httpreq)) {
722           result = CURLE_FAILED_INIT;
723         }
724       }
725     }
726     else {
727       if(SetHTTPrequest(config, HTTPREQ_SIMPLEPOST, &config->httpreq))
728         result = CURLE_FAILED_INIT;
729     }
730     if(result) {
731       single_transfer_cleanup(config);
732       return result;
733     }
734   }
735   if(!state->urlnode) {
736     /* first time caller, setup things */
737     state->urlnode = config->url_list;
738     state->infilenum = 1;
739   }
740 
741   while(config->state.urlnode) {
742     char *infiles; /* might be a glob pattern */
743     struct URLGlob *inglob = state->inglob;
744     bool metalink = FALSE; /* metalink download? */
745     struct metalinkfile *mlfile;
746     struct metalink_resource *mlres;
747 
748     urlnode = config->state.urlnode;
749     if(urlnode->flags & GETOUT_METALINK) {
750       metalink = 1;
751       if(mlfile_last == NULL) {
752         mlfile_last = config->metalinkfile_list;
753       }
754       mlfile = mlfile_last;
755       mlfile_last = mlfile_last->next;
756       mlres = mlfile->resource;
757     }
758     else {
759       mlfile = NULL;
760       mlres = NULL;
761     }
762 
763     /* urlnode->url is the full URL (it might be NULL) */
764 
765     if(!urlnode->url) {
766       /* This node has no URL. Free node data without destroying the
767          node itself nor modifying next pointer and continue to next */
768       Curl_safefree(urlnode->outfile);
769       Curl_safefree(urlnode->infile);
770       urlnode->flags = 0;
771       config->state.urlnode = urlnode->next;
772       state->up = 0;
773       continue; /* next URL please */
774     }
775 
776     /* save outfile pattern before expansion */
777     if(urlnode->outfile && !state->outfiles) {
778       state->outfiles = strdup(urlnode->outfile);
779       if(!state->outfiles) {
780         errorf(global, "out of memory\n");
781         result = CURLE_OUT_OF_MEMORY;
782         break;
783       }
784     }
785 
786     infiles = urlnode->infile;
787 
788     if(!config->globoff && infiles && !inglob) {
789       /* Unless explicitly shut off */
790       result = glob_url(&inglob, infiles, &state->infilenum,
791                         global->showerror?global->errors:NULL);
792       if(result)
793         break;
794       config->state.inglob = inglob;
795     }
796 
797     {
798       int separator;
799       unsigned long urlnum;
800 
801       if(!state->up && !infiles)
802         Curl_nop_stmt;
803       else {
804         if(!state->uploadfile) {
805           if(inglob) {
806             result = glob_next_url(&state->uploadfile, inglob);
807             if(result == CURLE_OUT_OF_MEMORY)
808               errorf(global, "out of memory\n");
809           }
810           else if(!state->up) {
811             state->uploadfile = strdup(infiles);
812             if(!state->uploadfile) {
813               errorf(global, "out of memory\n");
814               result = CURLE_OUT_OF_MEMORY;
815             }
816           }
817         }
818         if(result)
819           break;
820       }
821 
822       if(!state->urlnum) {
823         if(metalink) {
824           /* For Metalink download, we don't use glob. Instead we use
825              the number of resources as urlnum. */
826           urlnum = count_next_metalink_resource(mlfile);
827         }
828         else if(!config->globoff) {
829           /* Unless explicitly shut off, we expand '{...}' and '[...]'
830              expressions and return total number of URLs in pattern set */
831           result = glob_url(&state->urls, urlnode->url, &state->urlnum,
832                             global->showerror?global->errors:NULL);
833           if(result)
834             break;
835           urlnum = state->urlnum;
836         }
837         else
838           urlnum = 1; /* without globbing, this is a single URL */
839       }
840       else
841         urlnum = state->urlnum;
842 
843       /* if multiple files extracted to stdout, insert separators! */
844       separator = ((!state->outfiles ||
845                     !strcmp(state->outfiles, "-")) && urlnum > 1);
846 
847       if(state->up < state->infilenum) {
848         struct per_transfer *per;
849         struct OutStruct *outs;
850         struct InStruct *input;
851         struct OutStruct *heads;
852         struct OutStruct *etag_save;
853         struct HdrCbData *hdrcbdata = NULL;
854         CURL *curl = curl_easy_init();
855         result = add_per_transfer(&per);
856         if(result || !curl) {
857           curl_easy_cleanup(curl);
858           result = CURLE_OUT_OF_MEMORY;
859           break;
860         }
861         if(state->uploadfile) {
862           per->uploadfile = strdup(state->uploadfile);
863           if(!per->uploadfile) {
864             curl_easy_cleanup(curl);
865             result = CURLE_OUT_OF_MEMORY;
866             break;
867           }
868         }
869         *added = TRUE;
870         per->config = config;
871         per->curl = curl;
872 
873         /* default headers output stream is stdout */
874         heads = &per->heads;
875         heads->stream = stdout;
876 
877         /* Single header file for all URLs */
878         if(config->headerfile) {
879           /* open file for output: */
880           if(strcmp(config->headerfile, "-")) {
881             FILE *newfile;
882             newfile = fopen(config->headerfile, per->prev == NULL?"wb":"ab");
883             if(!newfile) {
884               warnf(config->global, "Failed to open %s\n", config->headerfile);
885               result = CURLE_WRITE_ERROR;
886               break;
887             }
888             else {
889               heads->filename = config->headerfile;
890               heads->s_isreg = TRUE;
891               heads->fopened = TRUE;
892               heads->stream = newfile;
893             }
894           }
895           else {
896             /* always use binary mode for protocol header output */
897             set_binmode(heads->stream);
898           }
899         }
900 
901         hdrcbdata = &per->hdrcbdata;
902 
903         outs = &per->outs;
904         input = &per->input;
905 
906         per->outfile = NULL;
907         per->infdopen = FALSE;
908         per->infd = STDIN_FILENO;
909 
910         /* default output stream is stdout */
911         outs->stream = stdout;
912 
913         /* --etag-compare */
914         if(config->etag_compare_file) {
915           char *etag_from_file = NULL;
916           char *header = NULL;
917 
918           /* open file for reading: */
919           FILE *file = fopen(config->etag_compare_file, FOPEN_READTEXT);
920           if(!file && !config->etag_save_file) {
921             errorf(config->global,
922                    "Failed to open %s\n", config->etag_compare_file);
923             result = CURLE_READ_ERROR;
924             break;
925           }
926 
927           if((PARAM_OK == file2string(&etag_from_file, file)) &&
928              etag_from_file) {
929             header = aprintf("If-None-Match: %s", etag_from_file);
930             Curl_safefree(etag_from_file);
931           }
932           else
933             header = aprintf("If-None-Match: \"\"");
934 
935           if(!header) {
936             if(file)
937               fclose(file);
938             errorf(config->global,
939                    "Failed to allocate memory for custom etag header\n");
940             result = CURLE_OUT_OF_MEMORY;
941             break;
942           }
943 
944           /* add Etag from file to list of custom headers */
945           add2list(&config->headers, header);
946 
947           Curl_safefree(header);
948 
949           if(file) {
950             fclose(file);
951           }
952         }
953 
954         /* --etag-save */
955         etag_save = &per->etag_save;
956         etag_save->stream = stdout;
957 
958         if(config->etag_save_file) {
959           /* open file for output: */
960           if(strcmp(config->etag_save_file, "-")) {
961             FILE *newfile = fopen(config->etag_save_file, "wb");
962             if(!newfile) {
963               warnf(
964                 config->global,
965                 "Failed to open %s\n", config->etag_save_file);
966 
967               result = CURLE_WRITE_ERROR;
968               break;
969             }
970             else {
971               etag_save->filename = config->etag_save_file;
972               etag_save->s_isreg = TRUE;
973               etag_save->fopened = TRUE;
974               etag_save->stream = newfile;
975             }
976           }
977           else {
978             /* always use binary mode for protocol header output */
979             set_binmode(etag_save->stream);
980           }
981         }
982 
983         if(metalink) {
984           /* For Metalink download, use name in Metalink file as
985              filename. */
986           per->outfile = strdup(mlfile->filename);
987           if(!per->outfile) {
988             result = CURLE_OUT_OF_MEMORY;
989             break;
990           }
991           per->this_url = strdup(mlres->url);
992           if(!per->this_url) {
993             result = CURLE_OUT_OF_MEMORY;
994             break;
995           }
996           per->mlfile = mlfile;
997         }
998         else {
999           if(state->urls) {
1000             result = glob_next_url(&per->this_url, state->urls);
1001             if(result)
1002               break;
1003           }
1004           else if(!state->li) {
1005             per->this_url = strdup(urlnode->url);
1006             if(!per->this_url) {
1007               result = CURLE_OUT_OF_MEMORY;
1008               break;
1009             }
1010           }
1011           else
1012             per->this_url = NULL;
1013           if(!per->this_url)
1014             break;
1015 
1016           if(state->outfiles) {
1017             per->outfile = strdup(state->outfiles);
1018             if(!per->outfile) {
1019               result = CURLE_OUT_OF_MEMORY;
1020               break;
1021             }
1022           }
1023         }
1024 
1025         if(((urlnode->flags&GETOUT_USEREMOTE) ||
1026             (per->outfile && strcmp("-", per->outfile))) &&
1027            (metalink || !config->use_metalink)) {
1028 
1029           /*
1030            * We have specified a file name to store the result in, or we have
1031            * decided we want to use the remote file name.
1032            */
1033 
1034           if(!per->outfile) {
1035             /* extract the file name from the URL */
1036             result = get_url_file_name(&per->outfile, per->this_url);
1037             if(result)
1038               break;
1039             if(!*per->outfile && !config->content_disposition) {
1040               errorf(global, "Remote file name has no length!\n");
1041               result = CURLE_WRITE_ERROR;
1042               break;
1043             }
1044           }
1045           else if(state->urls) {
1046             /* fill '#1' ... '#9' terms from URL pattern */
1047             char *storefile = per->outfile;
1048             result = glob_match_url(&per->outfile, storefile, state->urls);
1049             Curl_safefree(storefile);
1050             if(result) {
1051               /* bad globbing */
1052               warnf(config->global, "bad output glob!\n");
1053               break;
1054             }
1055           }
1056 
1057           if(config->output_dir) {
1058             char *d = aprintf("%s/%s", config->output_dir, per->outfile);
1059             if(!d) {
1060               result = CURLE_WRITE_ERROR;
1061               break;
1062             }
1063             free(per->outfile);
1064             per->outfile = d;
1065           }
1066           /* Create the directory hierarchy, if not pre-existent to a multiple
1067              file output call */
1068 
1069           if(config->create_dirs || metalink) {
1070             result = create_dir_hierarchy(per->outfile, global->errors);
1071             /* create_dir_hierarchy shows error upon CURLE_WRITE_ERROR */
1072             if(result)
1073               break;
1074           }
1075 
1076           if((urlnode->flags & GETOUT_USEREMOTE)
1077              && config->content_disposition) {
1078             /* Our header callback MIGHT set the filename */
1079             DEBUGASSERT(!outs->filename);
1080           }
1081 
1082           if(config->resume_from_current) {
1083             /* We're told to continue from where we are now. Get the size
1084                of the file as it is now and open it for append instead */
1085             struct_stat fileinfo;
1086             /* VMS -- Danger, the filesize is only valid for stream files */
1087             if(0 == stat(per->outfile, &fileinfo))
1088               /* set offset to current file size: */
1089               config->resume_from = fileinfo.st_size;
1090             else
1091               /* let offset be 0 */
1092               config->resume_from = 0;
1093           }
1094 
1095           if(config->resume_from) {
1096 #ifdef __VMS
1097             /* open file for output, forcing VMS output format into stream
1098                mode which is needed for stat() call above to always work. */
1099             FILE *file = fopen(outfile, "ab",
1100                                "ctx=stm", "rfm=stmlf", "rat=cr", "mrs=0");
1101 #else
1102             /* open file for output: */
1103             FILE *file = fopen(per->outfile, "ab");
1104 #endif
1105             if(!file) {
1106               errorf(global, "Can't open '%s'!\n", per->outfile);
1107               result = CURLE_WRITE_ERROR;
1108               break;
1109             }
1110             outs->fopened = TRUE;
1111             outs->stream = file;
1112             outs->init = config->resume_from;
1113           }
1114           else {
1115             outs->stream = NULL; /* open when needed */
1116           }
1117           outs->filename = per->outfile;
1118           outs->s_isreg = TRUE;
1119         }
1120 
1121         if(per->uploadfile && !stdin_upload(per->uploadfile)) {
1122           /*
1123            * We have specified a file to upload and it isn't "-".
1124            */
1125           char *nurl = add_file_name_to_url(per->this_url, per->uploadfile);
1126           if(!nurl) {
1127             result = CURLE_OUT_OF_MEMORY;
1128             break;
1129           }
1130           per->this_url = nurl;
1131         }
1132         else if(per->uploadfile && stdin_upload(per->uploadfile)) {
1133           /* count to see if there are more than one auth bit set
1134              in the authtype field */
1135           int authbits = 0;
1136           int bitcheck = 0;
1137           while(bitcheck < 32) {
1138             if(config->authtype & (1UL << bitcheck++)) {
1139               authbits++;
1140               if(authbits > 1) {
1141                 /* more than one, we're done! */
1142                 break;
1143               }
1144             }
1145           }
1146 
1147           /*
1148            * If the user has also selected --anyauth or --proxy-anyauth
1149            * we should warn him/her.
1150            */
1151           if(config->proxyanyauth || (authbits>1)) {
1152             warnf(config->global,
1153                   "Using --anyauth or --proxy-anyauth with upload from stdin"
1154                   " involves a big risk of it not working. Use a temporary"
1155                   " file or a fixed auth type instead!\n");
1156           }
1157 
1158           DEBUGASSERT(per->infdopen == FALSE);
1159           DEBUGASSERT(per->infd == STDIN_FILENO);
1160 
1161           set_binmode(stdin);
1162           if(!strcmp(per->uploadfile, ".")) {
1163             if(curlx_nonblock((curl_socket_t)per->infd, TRUE) < 0)
1164               warnf(config->global,
1165                     "fcntl failed on fd=%d: %s\n", per->infd, strerror(errno));
1166           }
1167         }
1168 
1169         if(per->uploadfile && config->resume_from_current)
1170           config->resume_from = -1; /* -1 will then force get-it-yourself */
1171 
1172         if(output_expected(per->this_url, per->uploadfile) && outs->stream &&
1173            isatty(fileno(outs->stream)))
1174           /* we send the output to a tty, therefore we switch off the progress
1175              meter */
1176           per->noprogress = global->noprogress = global->isatty = TRUE;
1177         else {
1178           /* progress meter is per download, so restore config
1179              values */
1180           per->noprogress = global->noprogress = orig_noprogress;
1181           global->isatty = orig_isatty;
1182         }
1183 
1184         if(urlnum > 1 && !global->mute) {
1185           per->separator_err =
1186             aprintf("\n[%lu/%lu]: %s --> %s",
1187                     state->li + 1, urlnum, per->this_url,
1188                     per->outfile ? per->outfile : "<stdout>");
1189           if(separator)
1190             per->separator = aprintf("%s%s", CURLseparator, per->this_url);
1191         }
1192         if(httpgetfields) {
1193           char *urlbuffer;
1194           /* Find out whether the url contains a file name */
1195           const char *pc = strstr(per->this_url, "://");
1196           char sep = '?';
1197           if(pc)
1198             pc += 3;
1199           else
1200             pc = per->this_url;
1201 
1202           pc = strrchr(pc, '/'); /* check for a slash */
1203 
1204           if(pc) {
1205             /* there is a slash present in the URL */
1206 
1207             if(strchr(pc, '?'))
1208               /* Ouch, there's already a question mark in the URL string, we
1209                  then append the data with an ampersand separator instead! */
1210               sep = '&';
1211           }
1212           /*
1213            * Then append ? followed by the get fields to the url.
1214            */
1215           if(pc)
1216             urlbuffer = aprintf("%s%c%s", per->this_url, sep, httpgetfields);
1217           else
1218             /* Append  / before the ? to create a well-formed url
1219                if the url contains a hostname only
1220             */
1221             urlbuffer = aprintf("%s/?%s", per->this_url, httpgetfields);
1222 
1223           if(!urlbuffer) {
1224             result = CURLE_OUT_OF_MEMORY;
1225             break;
1226           }
1227 
1228           Curl_safefree(per->this_url); /* free previous URL */
1229           per->this_url = urlbuffer; /* use our new URL instead! */
1230         }
1231 
1232         if(!global->errors)
1233           global->errors = stderr;
1234 
1235         if((!per->outfile || !strcmp(per->outfile, "-")) &&
1236            !config->use_ascii) {
1237           /* We get the output to stdout and we have not got the ASCII/text
1238              flag, then set stdout to be binary */
1239           set_binmode(stdout);
1240         }
1241 
1242         /* explicitly passed to stdout means okaying binary gunk */
1243         config->terminal_binary_ok =
1244           (per->outfile && !strcmp(per->outfile, "-"));
1245 
1246         /* Avoid having this setopt added to the --libcurl source output. */
1247         result = curl_easy_setopt(curl, CURLOPT_SHARE, share);
1248         if(result)
1249           break;
1250 
1251         if(!config->tcp_nodelay)
1252           my_setopt(curl, CURLOPT_TCP_NODELAY, 0L);
1253 
1254         if(config->tcp_fastopen)
1255           my_setopt(curl, CURLOPT_TCP_FASTOPEN, 1L);
1256 
1257         /* where to store */
1258         my_setopt(curl, CURLOPT_WRITEDATA, per);
1259         my_setopt(curl, CURLOPT_INTERLEAVEDATA, per);
1260 
1261         if(metalink || !config->use_metalink)
1262           /* what call to write */
1263           my_setopt(curl, CURLOPT_WRITEFUNCTION, tool_write_cb);
1264 #ifdef USE_METALINK
1265         else
1266           /* Set Metalink specific write callback function to parse
1267              XML data progressively. */
1268           my_setopt(curl, CURLOPT_WRITEFUNCTION, metalink_write_cb);
1269 #endif /* USE_METALINK */
1270 
1271         /* for uploads */
1272         input->config = config;
1273         /* Note that if CURLOPT_READFUNCTION is fread (the default), then
1274          * lib/telnet.c will Curl_poll() on the input file descriptor
1275          * rather then calling the READFUNCTION at regular intervals.
1276          * The circumstances in which it is preferable to enable this
1277          * behaviour, by omitting to set the READFUNCTION & READDATA options,
1278          * have not been determined.
1279          */
1280         my_setopt(curl, CURLOPT_READDATA, input);
1281         /* what call to read */
1282         my_setopt(curl, CURLOPT_READFUNCTION, tool_read_cb);
1283 
1284         /* in 7.18.0, the CURLOPT_SEEKFUNCTION/DATA pair is taking over what
1285            CURLOPT_IOCTLFUNCTION/DATA pair previously provided for seeking */
1286         my_setopt(curl, CURLOPT_SEEKDATA, input);
1287         my_setopt(curl, CURLOPT_SEEKFUNCTION, tool_seek_cb);
1288 
1289         if(config->recvpersecond &&
1290            (config->recvpersecond < BUFFER_SIZE))
1291           /* use a smaller sized buffer for better sleeps */
1292           my_setopt(curl, CURLOPT_BUFFERSIZE, (long)config->recvpersecond);
1293         else
1294           my_setopt(curl, CURLOPT_BUFFERSIZE, (long)BUFFER_SIZE);
1295 
1296         my_setopt_str(curl, CURLOPT_URL, per->this_url);
1297         my_setopt(curl, CURLOPT_NOPROGRESS, global->noprogress?1L:0L);
1298         if(config->no_body)
1299           my_setopt(curl, CURLOPT_NOBODY, 1L);
1300 
1301         if(config->oauth_bearer)
1302           my_setopt_str(curl, CURLOPT_XOAUTH2_BEARER, config->oauth_bearer);
1303 
1304         {
1305           my_setopt_str(curl, CURLOPT_PROXY, config->proxy);
1306           /* new in libcurl 7.5 */
1307           if(config->proxy)
1308             my_setopt_enum(curl, CURLOPT_PROXYTYPE, config->proxyver);
1309 
1310           my_setopt_str(curl, CURLOPT_PROXYUSERPWD, config->proxyuserpwd);
1311 
1312           /* new in libcurl 7.3 */
1313           my_setopt(curl, CURLOPT_HTTPPROXYTUNNEL, config->proxytunnel?1L:0L);
1314 
1315           /* new in libcurl 7.52.0 */
1316           if(config->preproxy)
1317             my_setopt_str(curl, CURLOPT_PRE_PROXY, config->preproxy);
1318 
1319           /* new in libcurl 7.10.6 */
1320           if(config->proxyanyauth)
1321             my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
1322                               (long)CURLAUTH_ANY);
1323           else if(config->proxynegotiate)
1324             my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
1325                               (long)CURLAUTH_GSSNEGOTIATE);
1326           else if(config->proxyntlm)
1327             my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
1328                               (long)CURLAUTH_NTLM);
1329           else if(config->proxydigest)
1330             my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
1331                               (long)CURLAUTH_DIGEST);
1332           else if(config->proxybasic)
1333             my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
1334                               (long)CURLAUTH_BASIC);
1335 
1336           /* new in libcurl 7.19.4 */
1337           my_setopt_str(curl, CURLOPT_NOPROXY, config->noproxy);
1338 
1339           my_setopt(curl, CURLOPT_SUPPRESS_CONNECT_HEADERS,
1340                     config->suppress_connect_headers?1L:0L);
1341         }
1342 
1343         my_setopt(curl, CURLOPT_FAILONERROR, config->failonerror?1L:0L);
1344         my_setopt(curl, CURLOPT_REQUEST_TARGET, config->request_target);
1345         my_setopt(curl, CURLOPT_UPLOAD, per->uploadfile?1L:0L);
1346         my_setopt(curl, CURLOPT_DIRLISTONLY, config->dirlistonly?1L:0L);
1347         my_setopt(curl, CURLOPT_APPEND, config->ftp_append?1L:0L);
1348 
1349         if(config->netrc_opt)
1350           my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_OPTIONAL);
1351         else if(config->netrc || config->netrc_file)
1352           my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_REQUIRED);
1353         else
1354           my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_IGNORED);
1355 
1356         if(config->netrc_file)
1357           my_setopt_str(curl, CURLOPT_NETRC_FILE, config->netrc_file);
1358 
1359         my_setopt(curl, CURLOPT_TRANSFERTEXT, config->use_ascii?1L:0L);
1360         if(config->login_options)
1361           my_setopt_str(curl, CURLOPT_LOGIN_OPTIONS, config->login_options);
1362         my_setopt_str(curl, CURLOPT_USERPWD, config->userpwd);
1363         my_setopt_str(curl, CURLOPT_RANGE, config->range);
1364         my_setopt(curl, CURLOPT_ERRORBUFFER, per->errorbuffer);
1365         my_setopt(curl, CURLOPT_TIMEOUT_MS, (long)(config->timeout * 1000));
1366 
1367         switch(config->httpreq) {
1368         case HTTPREQ_SIMPLEPOST:
1369           my_setopt_str(curl, CURLOPT_POSTFIELDS,
1370                         config->postfields);
1371           my_setopt(curl, CURLOPT_POSTFIELDSIZE_LARGE,
1372                     config->postfieldsize);
1373           break;
1374         case HTTPREQ_MIMEPOST:
1375           /* free previous remainders */
1376           curl_mime_free(config->mimepost);
1377           config->mimepost = NULL;
1378           result = tool2curlmime(curl, config->mimeroot, &config->mimepost);
1379           if(result)
1380             break;
1381           my_setopt_mimepost(curl, CURLOPT_MIMEPOST, config->mimepost);
1382           break;
1383         default:
1384           break;
1385         }
1386         if(result)
1387           break;
1388 
1389         /* new in libcurl 7.10.6 (default is Basic) */
1390         if(config->authtype)
1391           my_setopt_bitmask(curl, CURLOPT_HTTPAUTH, (long)config->authtype);
1392 
1393         my_setopt_slist(curl, CURLOPT_HTTPHEADER, config->headers);
1394 
1395         if(built_in_protos & (CURLPROTO_HTTP | CURLPROTO_RTSP)) {
1396           my_setopt_str(curl, CURLOPT_REFERER, config->referer);
1397           my_setopt_str(curl, CURLOPT_USERAGENT, config->useragent);
1398         }
1399 
1400         if(built_in_protos & CURLPROTO_HTTP) {
1401 
1402           long postRedir = 0;
1403 
1404           my_setopt(curl, CURLOPT_FOLLOWLOCATION,
1405                     config->followlocation?1L:0L);
1406           my_setopt(curl, CURLOPT_UNRESTRICTED_AUTH,
1407                     config->unrestricted_auth?1L:0L);
1408 
1409           my_setopt(curl, CURLOPT_AUTOREFERER, config->autoreferer?1L:0L);
1410 
1411           /* new in libcurl 7.36.0 */
1412           if(config->proxyheaders) {
1413             my_setopt_slist(curl, CURLOPT_PROXYHEADER, config->proxyheaders);
1414             my_setopt(curl, CURLOPT_HEADEROPT, CURLHEADER_SEPARATE);
1415           }
1416 
1417           /* new in libcurl 7.5 */
1418           my_setopt(curl, CURLOPT_MAXREDIRS, config->maxredirs);
1419 
1420           if(config->httpversion)
1421             my_setopt_enum(curl, CURLOPT_HTTP_VERSION, config->httpversion);
1422           else if(curlinfo->features & CURL_VERSION_HTTP2) {
1423             my_setopt_enum(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2TLS);
1424           }
1425 
1426           /* curl 7.19.1 (the 301 version existed in 7.18.2),
1427              303 was added in 7.26.0 */
1428           if(config->post301)
1429             postRedir |= CURL_REDIR_POST_301;
1430           if(config->post302)
1431             postRedir |= CURL_REDIR_POST_302;
1432           if(config->post303)
1433             postRedir |= CURL_REDIR_POST_303;
1434           my_setopt(curl, CURLOPT_POSTREDIR, postRedir);
1435 
1436           /* new in libcurl 7.21.6 */
1437           if(config->encoding)
1438             my_setopt_str(curl, CURLOPT_ACCEPT_ENCODING, "");
1439 
1440           /* new in libcurl 7.21.6 */
1441           if(config->tr_encoding)
1442             my_setopt(curl, CURLOPT_TRANSFER_ENCODING, 1L);
1443           /* new in libcurl 7.64.0 */
1444           my_setopt(curl, CURLOPT_HTTP09_ALLOWED,
1445                     config->http09_allowed ? 1L : 0L);
1446 
1447         } /* (built_in_protos & CURLPROTO_HTTP) */
1448 
1449         my_setopt_str(curl, CURLOPT_FTPPORT, config->ftpport);
1450         my_setopt(curl, CURLOPT_LOW_SPEED_LIMIT,
1451                   config->low_speed_limit);
1452         my_setopt(curl, CURLOPT_LOW_SPEED_TIME, config->low_speed_time);
1453         my_setopt(curl, CURLOPT_MAX_SEND_SPEED_LARGE,
1454                   config->sendpersecond);
1455         my_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE,
1456                   config->recvpersecond);
1457 
1458         if(config->use_resume)
1459           my_setopt(curl, CURLOPT_RESUME_FROM_LARGE, config->resume_from);
1460         else
1461           my_setopt(curl, CURLOPT_RESUME_FROM_LARGE, CURL_OFF_T_C(0));
1462 
1463         my_setopt_str(curl, CURLOPT_KEYPASSWD, config->key_passwd);
1464         my_setopt_str(curl, CURLOPT_PROXY_KEYPASSWD, config->proxy_key_passwd);
1465 
1466         if(built_in_protos & (CURLPROTO_SCP|CURLPROTO_SFTP)) {
1467 
1468           /* SSH and SSL private key uses same command-line option */
1469           /* new in libcurl 7.16.1 */
1470           my_setopt_str(curl, CURLOPT_SSH_PRIVATE_KEYFILE, config->key);
1471           /* new in libcurl 7.16.1 */
1472           my_setopt_str(curl, CURLOPT_SSH_PUBLIC_KEYFILE, config->pubkey);
1473 
1474           /* new in libcurl 7.17.1: SSH host key md5 checking allows us
1475              to fail if we are not talking to who we think we should */
1476           my_setopt_str(curl, CURLOPT_SSH_HOST_PUBLIC_KEY_MD5,
1477                         config->hostpubmd5);
1478 
1479           /* new in libcurl 7.56.0 */
1480           if(config->ssh_compression)
1481             my_setopt(curl, CURLOPT_SSH_COMPRESSION, 1L);
1482         }
1483 
1484         if(config->cacert)
1485           my_setopt_str(curl, CURLOPT_CAINFO, config->cacert);
1486         if(config->proxy_cacert)
1487           my_setopt_str(curl, CURLOPT_PROXY_CAINFO, config->proxy_cacert);
1488 
1489         if(config->capath) {
1490           result = res_setopt_str(curl, CURLOPT_CAPATH, config->capath);
1491           if(result == CURLE_NOT_BUILT_IN) {
1492             warnf(config->global, "ignoring %s, not supported by libcurl\n",
1493                   capath_from_env?
1494                   "SSL_CERT_DIR environment variable":"--capath");
1495           }
1496           else if(result)
1497             break;
1498         }
1499         /* For the time being if --proxy-capath is not set then we use the
1500            --capath value for it, if any. See #1257 */
1501         if((config->proxy_capath || config->capath) &&
1502            !tool_setopt_skip(CURLOPT_PROXY_CAPATH)) {
1503           result = res_setopt_str(curl, CURLOPT_PROXY_CAPATH,
1504                                   (config->proxy_capath ?
1505                                    config->proxy_capath :
1506                                    config->capath));
1507           if(result == CURLE_NOT_BUILT_IN) {
1508             if(config->proxy_capath) {
1509               warnf(config->global,
1510                     "ignoring --proxy-capath, not supported by libcurl\n");
1511             }
1512           }
1513           else if(result)
1514             break;
1515         }
1516 
1517         if(config->crlfile)
1518           my_setopt_str(curl, CURLOPT_CRLFILE, config->crlfile);
1519         if(config->proxy_crlfile)
1520           my_setopt_str(curl, CURLOPT_PROXY_CRLFILE, config->proxy_crlfile);
1521         else if(config->crlfile) /* CURLOPT_PROXY_CRLFILE default is crlfile */
1522           my_setopt_str(curl, CURLOPT_PROXY_CRLFILE, config->crlfile);
1523 
1524         if(config->pinnedpubkey)
1525           my_setopt_str(curl, CURLOPT_PINNEDPUBLICKEY, config->pinnedpubkey);
1526 
1527         if(config->ssl_ec_curves)
1528           my_setopt_str(curl, CURLOPT_SSL_EC_CURVES, config->ssl_ec_curves);
1529 
1530         if(curlinfo->features & CURL_VERSION_SSL) {
1531           /* Check if config->cert is a PKCS#11 URI and set the
1532            * config->cert_type if necessary */
1533           if(config->cert) {
1534             if(!config->cert_type) {
1535               if(is_pkcs11_uri(config->cert)) {
1536                 config->cert_type = strdup("ENG");
1537               }
1538             }
1539           }
1540 
1541           /* Check if config->key is a PKCS#11 URI and set the
1542            * config->key_type if necessary */
1543           if(config->key) {
1544             if(!config->key_type) {
1545               if(is_pkcs11_uri(config->key)) {
1546                 config->key_type = strdup("ENG");
1547               }
1548             }
1549           }
1550 
1551           /* Check if config->proxy_cert is a PKCS#11 URI and set the
1552            * config->proxy_type if necessary */
1553           if(config->proxy_cert) {
1554             if(!config->proxy_cert_type) {
1555               if(is_pkcs11_uri(config->proxy_cert)) {
1556                 config->proxy_cert_type = strdup("ENG");
1557               }
1558             }
1559           }
1560 
1561           /* Check if config->proxy_key is a PKCS#11 URI and set the
1562            * config->proxy_key_type if necessary */
1563           if(config->proxy_key) {
1564             if(!config->proxy_key_type) {
1565               if(is_pkcs11_uri(config->proxy_key)) {
1566                 config->proxy_key_type = strdup("ENG");
1567               }
1568             }
1569           }
1570 
1571           /* In debug build of curl tool, using
1572            *    --cert loadmem=<filename>:<password> --cert-type p12
1573            *  must do the same thing than classic:
1574            *    --cert <filename>:<password> --cert-type p12
1575            *  but is designed to test blob */
1576 #if defined(CURLDEBUG) || defined(DEBUGBUILD)
1577           if(config->cert && (strlen(config->cert) > 8) &&
1578              (memcmp(config->cert, "loadmem=",8) == 0)) {
1579             FILE *fInCert = fopen(config->cert + 8, "rb");
1580             void *certdata = NULL;
1581             long filesize = 0;
1582             bool continue_reading = fInCert != NULL;
1583             if(continue_reading)
1584               continue_reading = fseek(fInCert, 0, SEEK_END) == 0;
1585             if(continue_reading)
1586               filesize = ftell(fInCert);
1587             if(filesize < 0)
1588               continue_reading = FALSE;
1589             if(continue_reading)
1590               continue_reading = fseek(fInCert, 0, SEEK_SET) == 0;
1591             if(continue_reading)
1592               certdata = malloc(((size_t)filesize) + 1);
1593             if((!certdata) ||
1594                 ((int)fread(certdata, (size_t)filesize, 1, fInCert) != 1))
1595               continue_reading = FALSE;
1596             if(fInCert)
1597               fclose(fInCert);
1598             if((filesize > 0) && continue_reading) {
1599               struct curl_blob structblob;
1600               structblob.data = certdata;
1601               structblob.len = (size_t)filesize;
1602               structblob.flags = CURL_BLOB_COPY;
1603               my_setopt_str(curl, CURLOPT_SSLCERT_BLOB, &structblob);
1604               /* if test run well, we are sure we don't reuse
1605                * original mem pointer */
1606               memset(certdata, 0, (size_t)filesize);
1607             }
1608             free(certdata);
1609           }
1610           else
1611 #endif
1612           my_setopt_str(curl, CURLOPT_SSLCERT, config->cert);
1613           my_setopt_str(curl, CURLOPT_PROXY_SSLCERT, config->proxy_cert);
1614           my_setopt_str(curl, CURLOPT_SSLCERTTYPE, config->cert_type);
1615           my_setopt_str(curl, CURLOPT_PROXY_SSLCERTTYPE,
1616                         config->proxy_cert_type);
1617 
1618 
1619 #if defined(CURLDEBUG) || defined(DEBUGBUILD)
1620           if(config->key && (strlen(config->key) > 8) &&
1621              (memcmp(config->key, "loadmem=",8) == 0)) {
1622             FILE *fInCert = fopen(config->key + 8, "rb");
1623             void *certdata = NULL;
1624             long filesize = 0;
1625             bool continue_reading = fInCert != NULL;
1626             if(continue_reading)
1627               continue_reading = fseek(fInCert, 0, SEEK_END) == 0;
1628             if(continue_reading)
1629               filesize = ftell(fInCert);
1630             if(filesize < 0)
1631               continue_reading = FALSE;
1632             if(continue_reading)
1633               continue_reading = fseek(fInCert, 0, SEEK_SET) == 0;
1634             if(continue_reading)
1635               certdata = malloc(((size_t)filesize) + 1);
1636             if((!certdata) ||
1637                 ((int)fread(certdata, (size_t)filesize, 1, fInCert) != 1))
1638               continue_reading = FALSE;
1639             if(fInCert)
1640               fclose(fInCert);
1641             if((filesize > 0) && continue_reading) {
1642               struct curl_blob structblob;
1643               structblob.data = certdata;
1644               structblob.len = (size_t)filesize;
1645               structblob.flags = CURL_BLOB_COPY;
1646               my_setopt_str(curl, CURLOPT_SSLKEY_BLOB, &structblob);
1647               /* if test run well, we are sure we don't reuse
1648                * original mem pointer */
1649               memset(certdata, 0, (size_t)filesize);
1650             }
1651             free(certdata);
1652           }
1653           else
1654 #endif
1655           my_setopt_str(curl, CURLOPT_SSLKEY, config->key);
1656           my_setopt_str(curl, CURLOPT_PROXY_SSLKEY, config->proxy_key);
1657           my_setopt_str(curl, CURLOPT_SSLKEYTYPE, config->key_type);
1658           my_setopt_str(curl, CURLOPT_PROXY_SSLKEYTYPE,
1659                         config->proxy_key_type);
1660 
1661           if(config->insecure_ok) {
1662             my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
1663             my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
1664           }
1665           else {
1666             my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);
1667             /* libcurl default is strict verifyhost -> 2L   */
1668             /* my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 2L); */
1669           }
1670           if(config->proxy_insecure_ok) {
1671             my_setopt(curl, CURLOPT_PROXY_SSL_VERIFYPEER, 0L);
1672             my_setopt(curl, CURLOPT_PROXY_SSL_VERIFYHOST, 0L);
1673           }
1674           else {
1675             my_setopt(curl, CURLOPT_PROXY_SSL_VERIFYPEER, 1L);
1676           }
1677 
1678           if(config->verifystatus)
1679             my_setopt(curl, CURLOPT_SSL_VERIFYSTATUS, 1L);
1680 
1681           if(config->falsestart)
1682             my_setopt(curl, CURLOPT_SSL_FALSESTART, 1L);
1683 
1684           my_setopt_enum(curl, CURLOPT_SSLVERSION,
1685                          config->ssl_version | config->ssl_version_max);
1686           my_setopt_enum(curl, CURLOPT_PROXY_SSLVERSION,
1687                          config->proxy_ssl_version);
1688 
1689           {
1690             long mask =
1691               (config->ssl_allow_beast ? CURLSSLOPT_ALLOW_BEAST : 0) |
1692               (config->ssl_revoke_best_effort ?
1693                CURLSSLOPT_REVOKE_BEST_EFFORT : 0) |
1694               (config->native_ca_store ?
1695                CURLSSLOPT_NATIVE_CA : 0) |
1696               (config->ssl_no_revoke ? CURLSSLOPT_NO_REVOKE : 0);
1697 
1698             if(mask)
1699               my_setopt_bitmask(curl, CURLOPT_SSL_OPTIONS, mask);
1700           }
1701 
1702           if(config->proxy_ssl_allow_beast)
1703             my_setopt(curl, CURLOPT_PROXY_SSL_OPTIONS,
1704                       (long)CURLSSLOPT_ALLOW_BEAST);
1705         }
1706 
1707         if(config->path_as_is)
1708           my_setopt(curl, CURLOPT_PATH_AS_IS, 1L);
1709 
1710         if(built_in_protos & (CURLPROTO_SCP|CURLPROTO_SFTP)) {
1711           if(!config->insecure_ok) {
1712             char *home;
1713             char *file;
1714             result = CURLE_FAILED_INIT;
1715             home = homedir(NULL);
1716             if(home) {
1717               file = aprintf("%s/.ssh/known_hosts", home);
1718               if(file) {
1719                 /* new in curl 7.19.6 */
1720                 result = res_setopt_str(curl, CURLOPT_SSH_KNOWNHOSTS, file);
1721                 curl_free(file);
1722                 if(result == CURLE_UNKNOWN_OPTION)
1723                   /* libssh2 version older than 1.1.1 */
1724                   result = CURLE_OK;
1725               }
1726               Curl_safefree(home);
1727             }
1728             else {
1729               errorf(global, "Failed to figure out user's home dir!");
1730             }
1731             if(result)
1732               break;
1733           }
1734         }
1735 
1736         if(config->no_body || config->remote_time) {
1737           /* no body or use remote time */
1738           my_setopt(curl, CURLOPT_FILETIME, 1L);
1739         }
1740 
1741         my_setopt(curl, CURLOPT_CRLF, config->crlf?1L:0L);
1742         my_setopt_slist(curl, CURLOPT_QUOTE, config->quote);
1743         my_setopt_slist(curl, CURLOPT_POSTQUOTE, config->postquote);
1744         my_setopt_slist(curl, CURLOPT_PREQUOTE, config->prequote);
1745 
1746         if(config->cookie)
1747           my_setopt_str(curl, CURLOPT_COOKIE, config->cookie);
1748 
1749         if(config->cookiefile)
1750           my_setopt_str(curl, CURLOPT_COOKIEFILE, config->cookiefile);
1751 
1752         /* new in libcurl 7.9 */
1753         if(config->cookiejar)
1754           my_setopt_str(curl, CURLOPT_COOKIEJAR, config->cookiejar);
1755 
1756         /* new in libcurl 7.9.7 */
1757         my_setopt(curl, CURLOPT_COOKIESESSION, config->cookiesession?1L:0L);
1758 
1759         my_setopt_enum(curl, CURLOPT_TIMECONDITION, (long)config->timecond);
1760         my_setopt(curl, CURLOPT_TIMEVALUE_LARGE, config->condtime);
1761         my_setopt_str(curl, CURLOPT_CUSTOMREQUEST, config->customrequest);
1762         customrequest_helper(config, config->httpreq, config->customrequest);
1763         my_setopt(curl, CURLOPT_STDERR, global->errors);
1764 
1765         /* three new ones in libcurl 7.3: */
1766         my_setopt_str(curl, CURLOPT_INTERFACE, config->iface);
1767         my_setopt_str(curl, CURLOPT_KRBLEVEL, config->krblevel);
1768         progressbarinit(&per->progressbar, config);
1769 
1770         if((global->progressmode == CURL_PROGRESS_BAR) &&
1771            !global->noprogress && !global->mute) {
1772           /* we want the alternative style, then we have to implement it
1773              ourselves! */
1774           my_setopt(curl, CURLOPT_XFERINFOFUNCTION, tool_progress_cb);
1775           my_setopt(curl, CURLOPT_XFERINFODATA, per);
1776         }
1777         else if(per->uploadfile && !strcmp(per->uploadfile, ".")) {
1778           /* when reading from stdin in non-blocking mode, we use the progress
1779              function to unpause a busy read */
1780           my_setopt(curl, CURLOPT_NOPROGRESS, 0L);
1781           my_setopt(curl, CURLOPT_XFERINFOFUNCTION, tool_readbusy_cb);
1782           my_setopt(curl, CURLOPT_XFERINFODATA, per);
1783         }
1784 
1785         /* new in libcurl 7.24.0: */
1786         if(config->dns_servers)
1787           my_setopt_str(curl, CURLOPT_DNS_SERVERS, config->dns_servers);
1788 
1789         /* new in libcurl 7.33.0: */
1790         if(config->dns_interface)
1791           my_setopt_str(curl, CURLOPT_DNS_INTERFACE, config->dns_interface);
1792         if(config->dns_ipv4_addr)
1793           my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP4, config->dns_ipv4_addr);
1794         if(config->dns_ipv6_addr)
1795         my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP6, config->dns_ipv6_addr);
1796 
1797         /* new in libcurl 7.6.2: */
1798         my_setopt_slist(curl, CURLOPT_TELNETOPTIONS, config->telnet_options);
1799 
1800         /* new in libcurl 7.7: */
1801         my_setopt_str(curl, CURLOPT_RANDOM_FILE, config->random_file);
1802         my_setopt_str(curl, CURLOPT_EGDSOCKET, config->egd_file);
1803         my_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS,
1804                   (long)(config->connecttimeout * 1000));
1805 
1806         if(config->doh_url)
1807           my_setopt_str(curl, CURLOPT_DOH_URL, config->doh_url);
1808 
1809         if(config->cipher_list)
1810           my_setopt_str(curl, CURLOPT_SSL_CIPHER_LIST, config->cipher_list);
1811 
1812         if(config->proxy_cipher_list)
1813           my_setopt_str(curl, CURLOPT_PROXY_SSL_CIPHER_LIST,
1814                         config->proxy_cipher_list);
1815 
1816         if(config->cipher13_list)
1817           my_setopt_str(curl, CURLOPT_TLS13_CIPHERS, config->cipher13_list);
1818 
1819         if(config->proxy_cipher13_list)
1820           my_setopt_str(curl, CURLOPT_PROXY_TLS13_CIPHERS,
1821                         config->proxy_cipher13_list);
1822 
1823         /* new in libcurl 7.9.2: */
1824         if(config->disable_epsv)
1825           /* disable it */
1826           my_setopt(curl, CURLOPT_FTP_USE_EPSV, 0L);
1827 
1828         /* new in libcurl 7.10.5 */
1829         if(config->disable_eprt)
1830           /* disable it */
1831           my_setopt(curl, CURLOPT_FTP_USE_EPRT, 0L);
1832 
1833         if(global->tracetype != TRACE_NONE) {
1834           my_setopt(curl, CURLOPT_DEBUGFUNCTION, tool_debug_cb);
1835           my_setopt(curl, CURLOPT_DEBUGDATA, config);
1836           my_setopt(curl, CURLOPT_VERBOSE, 1L);
1837         }
1838 
1839         /* new in curl 7.9.3 */
1840         if(config->engine) {
1841           result = res_setopt_str(curl, CURLOPT_SSLENGINE, config->engine);
1842           if(result)
1843             break;
1844         }
1845 
1846         /* new in curl 7.10.7, extended in 7.19.4. Modified to use
1847            CREATE_DIR_RETRY in 7.49.0 */
1848         my_setopt(curl, CURLOPT_FTP_CREATE_MISSING_DIRS,
1849                   (long)(config->ftp_create_dirs?
1850                          CURLFTP_CREATE_DIR_RETRY:
1851                          CURLFTP_CREATE_DIR_NONE));
1852 
1853         /* new in curl 7.10.8 */
1854         if(config->max_filesize)
1855           my_setopt(curl, CURLOPT_MAXFILESIZE_LARGE,
1856                     config->max_filesize);
1857 
1858         my_setopt(curl, CURLOPT_IPRESOLVE, config->ip_version);
1859 
1860         /* new in curl 7.15.5 */
1861         if(config->ftp_ssl_reqd)
1862           my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
1863 
1864         /* new in curl 7.11.0 */
1865         else if(config->ftp_ssl)
1866           my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_TRY);
1867 
1868         /* new in curl 7.16.0 */
1869         else if(config->ftp_ssl_control)
1870           my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_CONTROL);
1871 
1872         /* new in curl 7.16.1 */
1873         if(config->ftp_ssl_ccc)
1874           my_setopt_enum(curl, CURLOPT_FTP_SSL_CCC,
1875                          (long)config->ftp_ssl_ccc_mode);
1876 
1877         /* new in curl 7.19.4 */
1878         if(config->socks5_gssapi_nec)
1879           my_setopt_str(curl, CURLOPT_SOCKS5_GSSAPI_NEC,
1880                         config->socks5_gssapi_nec);
1881 
1882         /* new in curl 7.55.0 */
1883         if(config->socks5_auth)
1884           my_setopt_bitmask(curl, CURLOPT_SOCKS5_AUTH,
1885                             (long)config->socks5_auth);
1886 
1887         /* new in curl 7.43.0 */
1888         if(config->proxy_service_name)
1889           my_setopt_str(curl, CURLOPT_PROXY_SERVICE_NAME,
1890                         config->proxy_service_name);
1891 
1892         /* new in curl 7.43.0 */
1893         if(config->service_name)
1894           my_setopt_str(curl, CURLOPT_SERVICE_NAME,
1895                         config->service_name);
1896 
1897         /* curl 7.13.0 */
1898         my_setopt_str(curl, CURLOPT_FTP_ACCOUNT, config->ftp_account);
1899         my_setopt(curl, CURLOPT_IGNORE_CONTENT_LENGTH, config->ignorecl?1L:0L);
1900 
1901         /* curl 7.14.2 */
1902         my_setopt(curl, CURLOPT_FTP_SKIP_PASV_IP, config->ftp_skip_ip?1L:0L);
1903 
1904         /* curl 7.15.1 */
1905         my_setopt(curl, CURLOPT_FTP_FILEMETHOD, (long)config->ftp_filemethod);
1906 
1907         /* curl 7.15.2 */
1908         if(config->localport) {
1909           my_setopt(curl, CURLOPT_LOCALPORT, config->localport);
1910           my_setopt_str(curl, CURLOPT_LOCALPORTRANGE, config->localportrange);
1911         }
1912 
1913         /* curl 7.15.5 */
1914         my_setopt_str(curl, CURLOPT_FTP_ALTERNATIVE_TO_USER,
1915                       config->ftp_alternative_to_user);
1916 
1917         /* curl 7.16.0 */
1918         if(config->disable_sessionid)
1919           /* disable it */
1920           my_setopt(curl, CURLOPT_SSL_SESSIONID_CACHE, 0L);
1921 
1922         /* curl 7.16.2 */
1923         if(config->raw) {
1924           my_setopt(curl, CURLOPT_HTTP_CONTENT_DECODING, 0L);
1925           my_setopt(curl, CURLOPT_HTTP_TRANSFER_DECODING, 0L);
1926         }
1927 
1928         /* curl 7.17.1 */
1929         if(!config->nokeepalive) {
1930           my_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
1931           if(config->alivetime != 0) {
1932             my_setopt(curl, CURLOPT_TCP_KEEPIDLE, config->alivetime);
1933             my_setopt(curl, CURLOPT_TCP_KEEPINTVL, config->alivetime);
1934           }
1935         }
1936         else
1937           my_setopt(curl, CURLOPT_TCP_KEEPALIVE, 0L);
1938 
1939         /* curl 7.20.0 */
1940         if(config->tftp_blksize)
1941           my_setopt(curl, CURLOPT_TFTP_BLKSIZE, config->tftp_blksize);
1942 
1943         if(config->mail_from)
1944           my_setopt_str(curl, CURLOPT_MAIL_FROM, config->mail_from);
1945 
1946         if(config->mail_rcpt)
1947           my_setopt_slist(curl, CURLOPT_MAIL_RCPT, config->mail_rcpt);
1948 
1949         /* curl 7.69.x */
1950         my_setopt(curl, CURLOPT_MAIL_RCPT_ALLLOWFAILS,
1951           config->mail_rcpt_allowfails ? 1L : 0L);
1952 
1953         /* curl 7.20.x */
1954         if(config->ftp_pret)
1955           my_setopt(curl, CURLOPT_FTP_USE_PRET, 1L);
1956 
1957         if(config->proto_present)
1958           my_setopt_flags(curl, CURLOPT_PROTOCOLS, config->proto);
1959         if(config->proto_redir_present)
1960           my_setopt_flags(curl, CURLOPT_REDIR_PROTOCOLS, config->proto_redir);
1961 
1962         if(config->content_disposition
1963            && (urlnode->flags & GETOUT_USEREMOTE))
1964           hdrcbdata->honor_cd_filename = TRUE;
1965         else
1966           hdrcbdata->honor_cd_filename = FALSE;
1967 
1968         hdrcbdata->outs = outs;
1969         hdrcbdata->heads = heads;
1970         hdrcbdata->etag_save = etag_save;
1971         hdrcbdata->global = global;
1972         hdrcbdata->config = config;
1973 
1974         my_setopt(curl, CURLOPT_HEADERFUNCTION, tool_header_cb);
1975         my_setopt(curl, CURLOPT_HEADERDATA, per);
1976 
1977         if(config->resolve)
1978           /* new in 7.21.3 */
1979           my_setopt_slist(curl, CURLOPT_RESOLVE, config->resolve);
1980 
1981         if(config->connect_to)
1982           /* new in 7.49.0 */
1983           my_setopt_slist(curl, CURLOPT_CONNECT_TO, config->connect_to);
1984 
1985         /* new in 7.21.4 */
1986         if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) {
1987           if(config->tls_username)
1988             my_setopt_str(curl, CURLOPT_TLSAUTH_USERNAME,
1989                           config->tls_username);
1990           if(config->tls_password)
1991             my_setopt_str(curl, CURLOPT_TLSAUTH_PASSWORD,
1992                           config->tls_password);
1993           if(config->tls_authtype)
1994             my_setopt_str(curl, CURLOPT_TLSAUTH_TYPE,
1995                           config->tls_authtype);
1996           if(config->proxy_tls_username)
1997             my_setopt_str(curl, CURLOPT_PROXY_TLSAUTH_USERNAME,
1998                           config->proxy_tls_username);
1999           if(config->proxy_tls_password)
2000             my_setopt_str(curl, CURLOPT_PROXY_TLSAUTH_PASSWORD,
2001                           config->proxy_tls_password);
2002           if(config->proxy_tls_authtype)
2003             my_setopt_str(curl, CURLOPT_PROXY_TLSAUTH_TYPE,
2004                           config->proxy_tls_authtype);
2005         }
2006 
2007         /* new in 7.22.0 */
2008         if(config->gssapi_delegation)
2009           my_setopt_str(curl, CURLOPT_GSSAPI_DELEGATION,
2010                         config->gssapi_delegation);
2011 
2012         if(config->mail_auth)
2013           my_setopt_str(curl, CURLOPT_MAIL_AUTH, config->mail_auth);
2014 
2015         /* new in 7.66.0 */
2016         if(config->sasl_authzid)
2017           my_setopt_str(curl, CURLOPT_SASL_AUTHZID, config->sasl_authzid);
2018 
2019         /* new in 7.31.0 */
2020         if(config->sasl_ir)
2021           my_setopt(curl, CURLOPT_SASL_IR, 1L);
2022 
2023         if(config->nonpn) {
2024           my_setopt(curl, CURLOPT_SSL_ENABLE_NPN, 0L);
2025         }
2026 
2027         if(config->noalpn) {
2028           my_setopt(curl, CURLOPT_SSL_ENABLE_ALPN, 0L);
2029         }
2030 
2031         /* new in 7.40.0, abstract support added in 7.53.0 */
2032         if(config->unix_socket_path) {
2033           if(config->abstract_unix_socket) {
2034             my_setopt_str(curl, CURLOPT_ABSTRACT_UNIX_SOCKET,
2035                           config->unix_socket_path);
2036           }
2037           else {
2038             my_setopt_str(curl, CURLOPT_UNIX_SOCKET_PATH,
2039                           config->unix_socket_path);
2040           }
2041         }
2042 
2043         /* new in 7.45.0 */
2044         if(config->proto_default)
2045           my_setopt_str(curl, CURLOPT_DEFAULT_PROTOCOL, config->proto_default);
2046 
2047         /* new in 7.47.0 */
2048         if(config->expect100timeout > 0)
2049           my_setopt_str(curl, CURLOPT_EXPECT_100_TIMEOUT_MS,
2050                         (long)(config->expect100timeout*1000));
2051 
2052         /* new in 7.48.0 */
2053         if(config->tftp_no_options)
2054           my_setopt(curl, CURLOPT_TFTP_NO_OPTIONS, 1L);
2055 
2056         /* new in 7.59.0 */
2057         if(config->happy_eyeballs_timeout_ms != CURL_HET_DEFAULT)
2058           my_setopt(curl, CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS,
2059                     config->happy_eyeballs_timeout_ms);
2060 
2061         /* new in 7.60.0 */
2062         if(config->haproxy_protocol)
2063           my_setopt(curl, CURLOPT_HAPROXYPROTOCOL, 1L);
2064 
2065         if(config->disallow_username_in_url)
2066           my_setopt(curl, CURLOPT_DISALLOW_USERNAME_IN_URL, 1L);
2067 
2068         if(config->altsvc)
2069           my_setopt_str(curl, CURLOPT_ALTSVC, config->altsvc);
2070 
2071 #ifdef USE_METALINK
2072         if(!metalink && config->use_metalink) {
2073           outs->metalink_parser = metalink_parser_context_new();
2074           if(outs->metalink_parser == NULL) {
2075             result = CURLE_OUT_OF_MEMORY;
2076             break;
2077           }
2078           fprintf(config->global->errors,
2079                   "Metalink: parsing (%s) metalink/XML...\n", per->this_url);
2080         }
2081         else if(metalink)
2082           fprintf(config->global->errors,
2083                   "Metalink: fetching (%s) from (%s)...\n",
2084                   mlfile->filename, per->this_url);
2085 #endif /* USE_METALINK */
2086 
2087         per->metalink = metalink;
2088         /* initialize retry vars for loop below */
2089         per->retry_sleep_default = (config->retry_delay) ?
2090           config->retry_delay*1000L : RETRY_SLEEP_DEFAULT; /* ms */
2091         per->retry_numretries = config->req_retry;
2092         per->retry_sleep = per->retry_sleep_default; /* ms */
2093         per->retrystart = tvnow();
2094 
2095         state->li++;
2096         /* Here's looping around each globbed URL */
2097         if(state->li >= urlnum) {
2098           state->li = 0;
2099           state->urlnum = 0; /* forced reglob of URLs */
2100           glob_cleanup(state->urls);
2101           state->urls = NULL;
2102           state->up++;
2103           Curl_safefree(state->uploadfile); /* clear it to get the next */
2104         }
2105       }
2106       else {
2107         /* Free this URL node data without destroying the
2108            the node itself nor modifying next pointer. */
2109         Curl_safefree(urlnode->outfile);
2110         Curl_safefree(urlnode->infile);
2111         urlnode->flags = 0;
2112         glob_cleanup(state->urls);
2113         state->urls = NULL;
2114         state->urlnum = 0;
2115 
2116         Curl_safefree(state->outfiles);
2117         Curl_safefree(state->uploadfile);
2118         if(state->inglob) {
2119           /* Free list of globbed upload files */
2120           glob_cleanup(state->inglob);
2121           state->inglob = NULL;
2122         }
2123         config->state.urlnode = urlnode->next;
2124         state->up = 0;
2125         continue;
2126       }
2127     }
2128     break;
2129   }
2130 
2131   if(!*added || result) {
2132     *added = FALSE;
2133     single_transfer_cleanup(config);
2134   }
2135   return result;
2136 }
2137 
2138 static long all_added; /* number of easy handles currently added */
2139 
2140 /*
2141  * add_parallel_transfers() sets 'morep' to TRUE if there are more transfers
2142  * to add even after this call returns. sets 'addedp' to TRUE if one or more
2143  * transfers were added.
2144  */
add_parallel_transfers(struct GlobalConfig * global,CURLM * multi,CURLSH * share,bool * morep,bool * addedp)2145 static CURLcode add_parallel_transfers(struct GlobalConfig *global,
2146                                        CURLM *multi,
2147                                        CURLSH *share,
2148                                        bool *morep,
2149                                        bool *addedp)
2150 {
2151   struct per_transfer *per;
2152   CURLcode result = CURLE_OK;
2153   CURLMcode mcode;
2154   bool sleeping = FALSE;
2155   *addedp = FALSE;
2156   *morep = FALSE;
2157   result = create_transfer(global, share, addedp);
2158   if(result)
2159     return result;
2160   for(per = transfers; per && (all_added < global->parallel_max);
2161       per = per->next) {
2162     bool getadded = FALSE;
2163     if(per->added)
2164       /* already added */
2165       continue;
2166     if(per->startat && (time(NULL) < per->startat)) {
2167       /* this is still delaying */
2168       sleeping = TRUE;
2169       continue;
2170     }
2171 
2172     result = pre_transfer(global, per);
2173     if(result)
2174       break;
2175 
2176     /* parallel connect means that we don't set PIPEWAIT since pipewait
2177        will make libcurl prefer multiplexing */
2178     (void)curl_easy_setopt(per->curl, CURLOPT_PIPEWAIT,
2179                            global->parallel_connect ? 0L : 1L);
2180     (void)curl_easy_setopt(per->curl, CURLOPT_PRIVATE, per);
2181     (void)curl_easy_setopt(per->curl, CURLOPT_XFERINFOFUNCTION, xferinfo_cb);
2182     (void)curl_easy_setopt(per->curl, CURLOPT_XFERINFODATA, per);
2183 
2184     mcode = curl_multi_add_handle(multi, per->curl);
2185     if(mcode)
2186       return CURLE_OUT_OF_MEMORY;
2187 
2188     result = create_transfer(global, share, &getadded);
2189     if(result)
2190       return result;
2191     per->added = TRUE;
2192     all_added++;
2193     *addedp = TRUE;
2194   }
2195   *morep = (per || sleeping) ? TRUE : FALSE;
2196   return CURLE_OK;
2197 }
2198 
parallel_transfers(struct GlobalConfig * global,CURLSH * share)2199 static CURLcode parallel_transfers(struct GlobalConfig *global,
2200                                    CURLSH *share)
2201 {
2202   CURLM *multi;
2203   CURLMcode mcode = CURLM_OK;
2204   CURLcode result = CURLE_OK;
2205   int still_running = 1;
2206   struct timeval start = tvnow();
2207   bool more_transfers;
2208   bool added_transfers;
2209   time_t tick = time(NULL);
2210 
2211   multi = curl_multi_init();
2212   if(!multi)
2213     return CURLE_OUT_OF_MEMORY;
2214 
2215   result = add_parallel_transfers(global, multi, share,
2216                                   &more_transfers, &added_transfers);
2217   if(result) {
2218     curl_multi_cleanup(multi);
2219     return result;
2220   }
2221 
2222   while(!mcode && (still_running || more_transfers)) {
2223     mcode = curl_multi_poll(multi, NULL, 0, 1000, NULL);
2224     if(!mcode)
2225       mcode = curl_multi_perform(multi, &still_running);
2226 
2227     progress_meter(global, &start, FALSE);
2228 
2229     if(!mcode) {
2230       int rc;
2231       CURLMsg *msg;
2232       bool checkmore = FALSE;
2233       do {
2234         msg = curl_multi_info_read(multi, &rc);
2235         if(msg) {
2236           bool retry;
2237           long delay;
2238           struct per_transfer *ended;
2239           CURL *easy = msg->easy_handle;
2240           result = msg->data.result;
2241           curl_easy_getinfo(easy, CURLINFO_PRIVATE, (void *)&ended);
2242           curl_multi_remove_handle(multi, easy);
2243 
2244           result = post_per_transfer(global, ended, result, &retry, &delay);
2245           progress_finalize(ended); /* before it goes away */
2246           all_added--; /* one fewer added */
2247           checkmore = TRUE;
2248           if(retry) {
2249             ended->added = FALSE; /* add it again */
2250             /* we delay retries in full integer seconds only */
2251             ended->startat = delay ? time(NULL) + delay/1000 : 0;
2252           }
2253           else
2254             (void)del_per_transfer(ended);
2255         }
2256       } while(msg);
2257       if(!checkmore) {
2258         time_t tock = time(NULL);
2259         if(tick != tock) {
2260           checkmore = TRUE;
2261           tick = tock;
2262         }
2263       }
2264       if(checkmore) {
2265         /* one or more transfers completed, add more! */
2266         (void)add_parallel_transfers(global, multi, share,
2267                                      &more_transfers,
2268                                      &added_transfers);
2269         if(added_transfers)
2270           /* we added new ones, make sure the loop doesn't exit yet */
2271           still_running = 1;
2272       }
2273     }
2274   }
2275 
2276   (void)progress_meter(global, &start, TRUE);
2277 
2278   /* Make sure to return some kind of error if there was a multi problem */
2279   if(mcode) {
2280     result = (mcode == CURLM_OUT_OF_MEMORY) ? CURLE_OUT_OF_MEMORY :
2281       /* The other multi errors should never happen, so return
2282          something suitably generic */
2283       CURLE_BAD_FUNCTION_ARGUMENT;
2284   }
2285 
2286   curl_multi_cleanup(multi);
2287 
2288   return result;
2289 }
2290 
serial_transfers(struct GlobalConfig * global,CURLSH * share)2291 static CURLcode serial_transfers(struct GlobalConfig *global,
2292                                  CURLSH *share)
2293 {
2294   CURLcode returncode = CURLE_OK;
2295   CURLcode result = CURLE_OK;
2296   struct per_transfer *per;
2297   bool added = FALSE;
2298 
2299   result = create_transfer(global, share, &added);
2300   if(result || !added)
2301     return result;
2302   for(per = transfers; per;) {
2303     bool retry;
2304     long delay;
2305     bool bailout = FALSE;
2306     result = pre_transfer(global, per);
2307     if(result)
2308       break;
2309 
2310 #ifndef CURL_DISABLE_LIBCURL_OPTION
2311     if(global->libcurl) {
2312       result = easysrc_perform();
2313       if(result)
2314         break;
2315     }
2316 #endif
2317 #ifdef CURLDEBUG
2318     if(global->test_event_based)
2319       result = curl_easy_perform_ev(per->curl);
2320     else
2321 #endif
2322       result = curl_easy_perform(per->curl);
2323 
2324     /* store the result of the actual transfer */
2325     returncode = result;
2326 
2327     result = post_per_transfer(global, per, result, &retry, &delay);
2328     if(retry) {
2329       tool_go_sleep(delay);
2330       continue;
2331     }
2332 
2333     /* Bail out upon critical errors or --fail-early */
2334     if(result || is_fatal_error(returncode) ||
2335        (returncode && global->fail_early))
2336       bailout = TRUE;
2337     else {
2338       /* setup the next one just before we delete this */
2339       result = create_transfer(global, share, &added);
2340       if(result)
2341         bailout = TRUE;
2342     }
2343 
2344     /* Release metalink related resources here */
2345     delete_metalinkfile(per->mlfile);
2346 
2347     per = del_per_transfer(per);
2348 
2349     if(bailout)
2350       break;
2351   }
2352   if(returncode)
2353     /* returncode errors have priority */
2354     result = returncode;
2355 
2356   if(result)
2357     single_transfer_cleanup(global->current);
2358 
2359   return result;
2360 }
2361 
2362 /* setup a transfer for the given config */
transfer_per_config(struct GlobalConfig * global,struct OperationConfig * config,CURLSH * share,bool * added)2363 static CURLcode transfer_per_config(struct GlobalConfig *global,
2364                                     struct OperationConfig *config,
2365                                     CURLSH *share,
2366                                     bool *added)
2367 {
2368   CURLcode result = CURLE_OK;
2369   bool capath_from_env;
2370   *added = FALSE;
2371 
2372   /* Check we have a url */
2373   if(!config->url_list || !config->url_list->url) {
2374     helpf(global->errors, "no URL specified!\n");
2375     return CURLE_FAILED_INIT;
2376   }
2377 
2378   /* On WIN32 we can't set the path to curl-ca-bundle.crt
2379    * at compile time. So we look here for the file in two ways:
2380    * 1: look at the environment variable CURL_CA_BUNDLE for a path
2381    * 2: if #1 isn't found, use the windows API function SearchPath()
2382    *    to find it along the app's path (includes app's dir and CWD)
2383    *
2384    * We support the environment variable thing for non-Windows platforms
2385    * too. Just for the sake of it.
2386    */
2387   capath_from_env = false;
2388   if(!config->cacert &&
2389      !config->capath &&
2390      !config->insecure_ok) {
2391     CURL *curltls = curl_easy_init();
2392     struct curl_tlssessioninfo *tls_backend_info = NULL;
2393 
2394     /* With the addition of CAINFO support for Schannel, this search could find
2395      * a certificate bundle that was previously ignored. To maintain backward
2396      * compatibility, only perform this search if not using Schannel.
2397      */
2398     result = curl_easy_getinfo(curltls, CURLINFO_TLS_SSL_PTR,
2399                                &tls_backend_info);
2400     if(result)
2401       return result;
2402 
2403     /* Set the CA cert locations specified in the environment. For Windows if
2404      * no environment-specified filename is found then check for CA bundle
2405      * default filename curl-ca-bundle.crt in the user's PATH.
2406      *
2407      * If Schannel is the selected SSL backend then these locations are
2408      * ignored. We allow setting CA location for schannel only when explicitly
2409      * specified by the user via CURLOPT_CAINFO / --cacert.
2410      */
2411     if(tls_backend_info->backend != CURLSSLBACKEND_SCHANNEL) {
2412       char *env;
2413       env = curlx_getenv("CURL_CA_BUNDLE");
2414       if(env) {
2415         config->cacert = strdup(env);
2416         if(!config->cacert) {
2417           curl_free(env);
2418           errorf(global, "out of memory\n");
2419           return CURLE_OUT_OF_MEMORY;
2420         }
2421       }
2422       else {
2423         env = curlx_getenv("SSL_CERT_DIR");
2424         if(env) {
2425           config->capath = strdup(env);
2426           if(!config->capath) {
2427             curl_free(env);
2428             helpf(global->errors, "out of memory\n");
2429             return CURLE_OUT_OF_MEMORY;
2430           }
2431           capath_from_env = true;
2432         }
2433         else {
2434           env = curlx_getenv("SSL_CERT_FILE");
2435           if(env) {
2436             config->cacert = strdup(env);
2437             if(!config->cacert) {
2438               curl_free(env);
2439               errorf(global, "out of memory\n");
2440               return CURLE_OUT_OF_MEMORY;
2441             }
2442           }
2443         }
2444       }
2445 
2446       if(env)
2447         curl_free(env);
2448 #ifdef WIN32
2449       else {
2450         result = FindWin32CACert(config, tls_backend_info->backend,
2451                                  TEXT("curl-ca-bundle.crt"));
2452       }
2453 #endif
2454     }
2455     curl_easy_cleanup(curltls);
2456   }
2457 
2458   if(!result)
2459     result = single_transfer(global, config, share, capath_from_env, added);
2460 
2461   return result;
2462 }
2463 
2464 /*
2465  * 'create_transfer' gets the details and sets up a new transfer if 'added'
2466  * returns TRUE.
2467  */
create_transfer(struct GlobalConfig * global,CURLSH * share,bool * added)2468 static CURLcode create_transfer(struct GlobalConfig *global,
2469                                 CURLSH *share,
2470                                 bool *added)
2471 {
2472   CURLcode result = CURLE_OK;
2473   *added = FALSE;
2474   while(global->current) {
2475     result = transfer_per_config(global, global->current, share, added);
2476     if(!result && !*added) {
2477       /* when one set is drained, continue to next */
2478       global->current = global->current->next;
2479       continue;
2480     }
2481     break;
2482   }
2483   return result;
2484 }
2485 
run_all_transfers(struct GlobalConfig * global,CURLSH * share,CURLcode result)2486 static CURLcode run_all_transfers(struct GlobalConfig *global,
2487                                   CURLSH *share,
2488                                   CURLcode result)
2489 {
2490   /* Save the values of noprogress and isatty to restore them later on */
2491   bool orig_noprogress = global->noprogress;
2492   bool orig_isatty = global->isatty;
2493   struct per_transfer *per;
2494 
2495   /* Time to actually do the transfers */
2496   if(!result) {
2497     if(global->parallel)
2498       result = parallel_transfers(global, share);
2499     else
2500       result = serial_transfers(global, share);
2501   }
2502 
2503   /* cleanup if there are any left */
2504   for(per = transfers; per;) {
2505     bool retry;
2506     long delay;
2507     CURLcode result2 = post_per_transfer(global, per, result, &retry, &delay);
2508     if(!result)
2509       /* don't overwrite the original error */
2510       result = result2;
2511 
2512     /* Free list of given URLs */
2513     clean_getout(per->config);
2514 
2515     /* Release metalink related resources here */
2516     clean_metalink(per->config);
2517     per = del_per_transfer(per);
2518   }
2519 
2520   /* Reset the global config variables */
2521   global->noprogress = orig_noprogress;
2522   global->isatty = orig_isatty;
2523 
2524 
2525   return result;
2526 }
2527 
operate(struct GlobalConfig * global,int argc,argv_item_t argv[])2528 CURLcode operate(struct GlobalConfig *global, int argc, argv_item_t argv[])
2529 {
2530   CURLcode result = CURLE_OK;
2531   char *first_arg = curlx_convert_tchar_to_UTF8(argv[1]);
2532 
2533   /* Setup proper locale from environment */
2534 #ifdef HAVE_SETLOCALE
2535   setlocale(LC_ALL, "");
2536 #endif
2537 
2538   /* Parse .curlrc if necessary */
2539   if((argc == 1) ||
2540      (!curl_strequal(first_arg, "-q") &&
2541       !curl_strequal(first_arg, "--disable"))) {
2542     parseconfig(NULL, global); /* ignore possible failure */
2543 
2544     /* If we had no arguments then make sure a url was specified in .curlrc */
2545     if((argc < 2) && (!global->first->url_list)) {
2546       helpf(global->errors, NULL);
2547       result = CURLE_FAILED_INIT;
2548     }
2549   }
2550 
2551   curlx_unicodefree(first_arg);
2552 
2553   if(!result) {
2554     /* Parse the command line arguments */
2555     ParameterError res = parse_args(global, argc, argv);
2556     if(res) {
2557       result = CURLE_OK;
2558 
2559       /* Check if we were asked for the help */
2560       if(res == PARAM_HELP_REQUESTED)
2561         tool_help(global->help_category);
2562       /* Check if we were asked for the manual */
2563       else if(res == PARAM_MANUAL_REQUESTED)
2564         hugehelp();
2565       /* Check if we were asked for the version information */
2566       else if(res == PARAM_VERSION_INFO_REQUESTED)
2567         tool_version_info();
2568       /* Check if we were asked to list the SSL engines */
2569       else if(res == PARAM_ENGINES_REQUESTED)
2570         tool_list_engines();
2571       else if(res == PARAM_LIBCURL_UNSUPPORTED_PROTOCOL)
2572         result = CURLE_UNSUPPORTED_PROTOCOL;
2573       else
2574         result = CURLE_FAILED_INIT;
2575     }
2576     else {
2577 #ifndef CURL_DISABLE_LIBCURL_OPTION
2578       if(global->libcurl) {
2579         /* Initialise the libcurl source output */
2580         result = easysrc_init();
2581       }
2582 #endif
2583 
2584       /* Perform the main operations */
2585       if(!result) {
2586         size_t count = 0;
2587         struct OperationConfig *operation = global->first;
2588         CURLSH *share = curl_share_init();
2589         if(!share) {
2590 #ifndef CURL_DISABLE_LIBCURL_OPTION
2591           if(global->libcurl) {
2592             /* Cleanup the libcurl source output */
2593             easysrc_cleanup();
2594           }
2595 #endif
2596           return CURLE_OUT_OF_MEMORY;
2597         }
2598 
2599         curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_COOKIE);
2600         curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_DNS);
2601         curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_SSL_SESSION);
2602         curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_CONNECT);
2603         curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_PSL);
2604 
2605         /* Get the required arguments for each operation */
2606         do {
2607           result = get_args(operation, count++);
2608 
2609           operation = operation->next;
2610         } while(!result && operation);
2611 
2612         /* Set the current operation pointer */
2613         global->current = global->first;
2614 
2615         /* now run! */
2616         result = run_all_transfers(global, share, result);
2617 
2618         curl_share_cleanup(share);
2619 #ifndef CURL_DISABLE_LIBCURL_OPTION
2620         if(global->libcurl) {
2621           /* Cleanup the libcurl source output */
2622           easysrc_cleanup();
2623 
2624           /* Dump the libcurl code if previously enabled */
2625           dumpeasysrc(global);
2626         }
2627 #endif
2628       }
2629       else
2630         errorf(global, "out of memory\n");
2631     }
2632   }
2633 
2634   return result;
2635 }
2636