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    1: /***************************************************************************
    2:  *                                  _   _ ____  _
    3:  *  Project                     ___| | | |  _ \| |
    4:  *                             / __| | | | |_) | |
    5:  *                            | (__| |_| |  _ <| |___
    6:  *                             \___|\___/|_| \_\_____|
    7:  *
    8:  * Copyright (C) 1998 - 2018, 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 const char *TEST_DATA_STRING = "Test data";
   27: static int cb_count = 0;
   28: 
   29: static int
   30: resolver_alloc_cb_fail(void *resolver_state, void *reserved, void *userdata)
   31: {
   32:   (void)resolver_state;
   33:   (void)reserved;
   34: 
   35:   cb_count++;
   36:   if(strcmp(userdata, TEST_DATA_STRING)) {
   37:     fprintf(stderr, "Invalid test data received");
   38:     exit(1);
   39:   }
   40: 
   41:   return 1;
   42: }
   43: 
   44: static int
   45: resolver_alloc_cb_pass(void *resolver_state, void *reserved, void *userdata)
   46: {
   47:   (void)resolver_state;
   48:   (void)reserved;
   49: 
   50:   cb_count++;
   51:   if(strcmp(userdata, TEST_DATA_STRING)) {
   52:     fprintf(stderr, "Invalid test data received");
   53:     exit(1);
   54:   }
   55: 
   56:   return 0;
   57: }
   58: 
   59: int test(char *URL)
   60: {
   61:   CURL *curl;
   62:   CURLcode res = CURLE_OK;
   63: 
   64:   if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
   65:     fprintf(stderr, "curl_global_init() failed\n");
   66:     return TEST_ERR_MAJOR_BAD;
   67:   }
   68:   curl = curl_easy_init();
   69:   if(!curl) {
   70:     fprintf(stderr, "curl_easy_init() failed\n");
   71:     res = TEST_ERR_MAJOR_BAD;
   72:     goto test_cleanup;
   73:   }
   74: 
   75:   /* First set the URL that is about to receive our request. */
   76:   test_setopt(curl, CURLOPT_URL, URL);
   77: 
   78:   test_setopt(curl, CURLOPT_RESOLVER_START_DATA, TEST_DATA_STRING);
   79:   test_setopt(curl, CURLOPT_RESOLVER_START_FUNCTION, resolver_alloc_cb_fail);
   80: 
   81:   /* this should fail */
   82:   res = curl_easy_perform(curl);
   83:   if(res != CURLE_COULDNT_RESOLVE_HOST) {
   84:     fprintf(stderr, "curl_easy_perform should have returned "
   85:             "CURLE_COULDNT_RESOLVE_HOST but instead returned error %d\n", res);
   86:     if(res == CURLE_OK)
   87:       res = TEST_ERR_FAILURE;
   88:     goto test_cleanup;
   89:   }
   90: 
   91:   test_setopt(curl, CURLOPT_RESOLVER_START_FUNCTION, resolver_alloc_cb_pass);
   92: 
   93:   /* this should succeed */
   94:   res = curl_easy_perform(curl);
   95:   if(res) {
   96:     fprintf(stderr, "curl_easy_perform failed.\n");
   97:     goto test_cleanup;
   98:   }
   99: 
  100:   if(cb_count != 2) {
  101:     fprintf(stderr, "Unexpected number of callbacks: %d\n", cb_count);
  102:     res = TEST_ERR_FAILURE;
  103:     goto test_cleanup;
  104:   }
  105: 
  106: test_cleanup:
  107:   /* always cleanup */
  108:   curl_easy_cleanup(curl);
  109:   curl_global_cleanup();
  110: 
  111:   return (int)res;
  112: }