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Annotation of embedaddon/curl/tests/libtest/lib1502.c, revision 1.1

1.1     ! misho       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: /*
        !            23:  * This source code is used for lib1502, lib1503, lib1504 and lib1505 with
        !            24:  * only #ifdefs controlling the cleanup sequence.
        !            25:  *
        !            26:  * Test case 1502 converted from bug report #3575448, identifying a memory
        !            27:  * leak in the CURLOPT_RESOLVE handling with the multi interface.
        !            28:  */
        !            29: 
        !            30: #include "test.h"
        !            31: 
        !            32: #include <limits.h>
        !            33: 
        !            34: #include "testutil.h"
        !            35: #include "warnless.h"
        !            36: #include "memdebug.h"
        !            37: 
        !            38: #define TEST_HANG_TIMEOUT 60 * 1000
        !            39: 
        !            40: int test(char *URL)
        !            41: {
        !            42:   CURL *easy = NULL;
        !            43:   CURL *dup;
        !            44:   CURLM *multi = NULL;
        !            45:   int still_running;
        !            46:   int res = 0;
        !            47: 
        !            48:   char redirect[160];
        !            49: 
        !            50:   /* DNS cache injection */
        !            51:   struct curl_slist *dns_cache_list;
        !            52: 
        !            53:   msnprintf(redirect, sizeof(redirect), "google.com:%s:%s", libtest_arg2,
        !            54:             libtest_arg3);
        !            55: 
        !            56:   start_test_timing();
        !            57: 
        !            58:   dns_cache_list = curl_slist_append(NULL, redirect);
        !            59:   if(!dns_cache_list) {
        !            60:     fprintf(stderr, "curl_slist_append() failed\n");
        !            61:     return TEST_ERR_MAJOR_BAD;
        !            62:   }
        !            63: 
        !            64:   res_global_init(CURL_GLOBAL_ALL);
        !            65:   if(res) {
        !            66:     curl_slist_free_all(dns_cache_list);
        !            67:     return res;
        !            68:   }
        !            69: 
        !            70:   easy_init(easy);
        !            71: 
        !            72:   easy_setopt(easy, CURLOPT_URL, URL);
        !            73:   easy_setopt(easy, CURLOPT_HEADER, 1L);
        !            74:   easy_setopt(easy, CURLOPT_RESOLVE, dns_cache_list);
        !            75: 
        !            76:   dup = curl_easy_duphandle(easy);
        !            77:   if(dup) {
        !            78:     curl_easy_cleanup(easy);
        !            79:     easy = dup;
        !            80:   }
        !            81:   else {
        !            82:     curl_slist_free_all(dns_cache_list);
        !            83:     curl_easy_cleanup(easy);
        !            84:     return CURLE_OUT_OF_MEMORY;
        !            85:   }
        !            86: 
        !            87:   multi_init(multi);
        !            88: 
        !            89:   multi_add_handle(multi, easy);
        !            90: 
        !            91:   multi_perform(multi, &still_running);
        !            92: 
        !            93:   abort_on_test_timeout();
        !            94: 
        !            95:   while(still_running) {
        !            96:     struct timeval timeout;
        !            97:     fd_set fdread;
        !            98:     fd_set fdwrite;
        !            99:     fd_set fdexcep;
        !           100:     int maxfd = -99;
        !           101: 
        !           102:     FD_ZERO(&fdread);
        !           103:     FD_ZERO(&fdwrite);
        !           104:     FD_ZERO(&fdexcep);
        !           105:     timeout.tv_sec = 1;
        !           106:     timeout.tv_usec = 0;
        !           107: 
        !           108:     multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd);
        !           109: 
        !           110:     /* At this point, maxfd is guaranteed to be greater or equal than -1. */
        !           111: 
        !           112:     select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
        !           113: 
        !           114:     abort_on_test_timeout();
        !           115: 
        !           116:     multi_perform(multi, &still_running);
        !           117: 
        !           118:     abort_on_test_timeout();
        !           119:   }
        !           120: 
        !           121: test_cleanup:
        !           122: 
        !           123: #ifdef LIB1502
        !           124:   /* undocumented cleanup sequence - type UA */
        !           125:   curl_multi_cleanup(multi);
        !           126:   curl_easy_cleanup(easy);
        !           127:   curl_global_cleanup();
        !           128: #endif
        !           129: 
        !           130: #ifdef LIB1503
        !           131:   /* proper cleanup sequence - type PA */
        !           132:   curl_multi_remove_handle(multi, easy);
        !           133:   curl_multi_cleanup(multi);
        !           134:   curl_easy_cleanup(easy);
        !           135:   curl_global_cleanup();
        !           136: #endif
        !           137: 
        !           138: #ifdef LIB1504
        !           139:   /* undocumented cleanup sequence - type UB */
        !           140:   curl_easy_cleanup(easy);
        !           141:   curl_multi_cleanup(multi);
        !           142:   curl_global_cleanup();
        !           143: #endif
        !           144: 
        !           145: #ifdef LIB1505
        !           146:   /* proper cleanup sequence - type PB */
        !           147:   curl_multi_remove_handle(multi, easy);
        !           148:   curl_easy_cleanup(easy);
        !           149:   curl_multi_cleanup(multi);
        !           150:   curl_global_cleanup();
        !           151: #endif
        !           152: 
        !           153:   curl_slist_free_all(dns_cache_list);
        !           154: 
        !           155:   return res;
        !           156: }