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Annotation of embedaddon/curl/tests/libtest/lib1502.c, revision 1.1.1.1

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: }