| /*************************************************************************** | 
 |  *                                  _   _ ____  _ | 
 |  *  Project                     ___| | | |  _ \| | | 
 |  *                             / __| | | | |_) | | | 
 |  *                            | (__| |_| |  _ <| |___ | 
 |  *                             \___|\___/|_| \_\_____| | 
 |  * | 
 |  * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al. | 
 |  * | 
 |  * This software is licensed as described in the file COPYING, which | 
 |  * you should have received as part of this distribution. The terms | 
 |  * are also available at https://curl.se/docs/copyright.html. | 
 |  * | 
 |  * You may opt to use, copy, modify, merge, publish, distribute and/or sell | 
 |  * copies of the Software, and permit persons to whom the Software is | 
 |  * furnished to do so, under the terms of the COPYING file. | 
 |  * | 
 |  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | 
 |  * KIND, either express or implied. | 
 |  * | 
 |  * SPDX-License-Identifier: curl | 
 |  * | 
 |  ***************************************************************************/ | 
 |  | 
 | /* Test suppressing the If-Modified-Since header */ | 
 |  | 
 | #include "test.h" | 
 |  | 
 | #include "memdebug.h" | 
 |  | 
 | int test(char *URL) | 
 | { | 
 |   struct curl_slist *header = NULL; | 
 |   long unmet; | 
 |   CURL *curl = NULL; | 
 |   int res = 0; | 
 |  | 
 |   global_init(CURL_GLOBAL_ALL); | 
 |  | 
 |   easy_init(curl); | 
 |  | 
 |   easy_setopt(curl, CURLOPT_URL, URL); | 
 |   easy_setopt(curl, CURLOPT_TIMECONDITION, (long)CURL_TIMECOND_IFMODSINCE); | 
 |   /* Some TIMEVALUE; it doesn't matter. */ | 
 |   easy_setopt(curl, CURLOPT_TIMEVALUE, 1566210680L); | 
 |  | 
 |   header = curl_slist_append(NULL, "If-Modified-Since:"); | 
 |   if(!header) { | 
 |     res = TEST_ERR_MAJOR_BAD; | 
 |     goto test_cleanup; | 
 |   } | 
 |  | 
 |   easy_setopt(curl, CURLOPT_HTTPHEADER, header); | 
 |  | 
 |   res = curl_easy_perform(curl); | 
 |   if(res) | 
 |     goto test_cleanup; | 
 |  | 
 |   /* Confirm that the condition checking still worked, even though we | 
 |    * suppressed the actual header. | 
 |    * The server returns 304, which means the condition is "unmet". | 
 |    */ | 
 |  | 
 |   res = curl_easy_getinfo(curl, CURLINFO_CONDITION_UNMET, &unmet); | 
 |   if(res) | 
 |     goto test_cleanup; | 
 |  | 
 |   if(unmet != 1L) { | 
 |     res = TEST_ERR_FAILURE; | 
 |     goto test_cleanup; | 
 |   } | 
 |  | 
 | test_cleanup: | 
 |  | 
 |   /* always cleanup */ | 
 |   curl_easy_cleanup(curl); | 
 |   curl_slist_free_all(header); | 
 |   curl_global_cleanup(); | 
 |  | 
 |   return res; | 
 | } |