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    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 "test.h"
   23: 
   24: #include "memdebug.h"
   25: 
   26: static char data[]=
   27: #ifdef CURL_DOES_CONVERSIONS
   28:   /* ASCII representation with escape sequences for non-ASCII platforms */
   29:   "\x64\x75\x6d\x6d\x79";
   30: #else
   31:   "dummy";
   32: #endif
   33: 
   34: struct WriteThis {
   35:   char *readptr;
   36:   curl_off_t sizeleft;
   37: };
   38: 
   39: static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *userp)
   40: {
   41:   struct WriteThis *pooh = (struct WriteThis *)userp;
   42:   int eof = !*pooh->readptr;
   43: 
   44:   if(size*nmemb < 1)
   45:     return 0;
   46: 
   47:   eof = pooh->sizeleft <= 0;
   48:   if(!eof)
   49:     pooh->sizeleft--;
   50: 
   51:   if(!eof) {
   52:     *ptr = *pooh->readptr;           /* copy one single byte */
   53:     pooh->readptr++;                 /* advance pointer */
   54:     return 1;                        /* we return 1 byte at a time! */
   55:   }
   56: 
   57:   return 0;                         /* no more data left to deliver */
   58: }
   59: 
   60: int test(char *URL)
   61: {
   62:   CURL *easy = NULL;
   63:   curl_mime *mime = NULL;
   64:   curl_mimepart *part;
   65:   CURLcode result;
   66:   int res = TEST_ERR_FAILURE;
   67:   struct WriteThis pooh;
   68: 
   69:   /*
   70:    * Check proper handling of mime encoder feature when the part read callback
   71:    * delivers data bytes one at a time. Use chunked encoding for accurate test.
   72:    */
   73: 
   74:   if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
   75:     fprintf(stderr, "curl_global_init() failed\n");
   76:     return TEST_ERR_MAJOR_BAD;
   77:   }
   78: 
   79:   easy = curl_easy_init();
   80: 
   81:   /* First set the URL that is about to receive our POST. */
   82:   test_setopt(easy, CURLOPT_URL, URL);
   83: 
   84:   /* get verbose debug output please */
   85:   test_setopt(easy, CURLOPT_VERBOSE, 1L);
   86: 
   87:   /* include headers in the output */
   88:   test_setopt(easy, CURLOPT_HEADER, 1L);
   89: 
   90:   /* Prepare the callback structure. */
   91:   pooh.readptr = data;
   92:   pooh.sizeleft = (curl_off_t) strlen(data);
   93: 
   94:   /* Build the mime tree. */
   95:   mime = curl_mime_init(easy);
   96:   part = curl_mime_addpart(mime);
   97:   curl_mime_name(part, "field");
   98:   curl_mime_encoder(part, "base64");
   99:   /* Using an undefined length forces chunked transfer. */
  100:   curl_mime_data_cb(part, (curl_off_t) -1, read_callback, NULL, NULL, &pooh);
  101: 
  102:   /* Bind mime data to its easy handle. */
  103:   test_setopt(easy, CURLOPT_MIMEPOST, mime);
  104: 
  105:   /* Send data. */
  106:   result = curl_easy_perform(easy);
  107:   if(result) {
  108:     fprintf(stderr, "curl_easy_perform() failed\n");
  109:     res = (int) result;
  110:   }
  111: 
  112: test_cleanup:
  113:   curl_easy_cleanup(easy);
  114:   curl_mime_free(mime);
  115:   curl_global_cleanup();
  116:   return res;
  117: }