/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2020, Daniel Stenberg, , 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. * ***************************************************************************/ /* * This source code is used for lib1502, lib1503, lib1504 and lib1505 with * only #ifdefs controlling the cleanup sequence. * * Test case 1502 converted from bug report #3575448, identifying a memory * leak in the CURLOPT_RESOLVE handling with the multi interface. */ #include "test.h" #include #include "testutil.h" #include "warnless.h" #include "memdebug.h" #define TEST_HANG_TIMEOUT 60 * 1000 int test(char *URL) { CURL *easy = NULL; CURL *dup; CURLM *multi = NULL; int still_running; int res = 0; char redirect[160]; /* DNS cache injection */ struct curl_slist *dns_cache_list; msnprintf(redirect, sizeof(redirect), "google.com:%s:%s", libtest_arg2, libtest_arg3); start_test_timing(); dns_cache_list = curl_slist_append(NULL, redirect); if(!dns_cache_list) { fprintf(stderr, "curl_slist_append() failed\n"); return TEST_ERR_MAJOR_BAD; } res_global_init(CURL_GLOBAL_ALL); if(res) { curl_slist_free_all(dns_cache_list); return res; } easy_init(easy); easy_setopt(easy, CURLOPT_URL, URL); easy_setopt(easy, CURLOPT_HEADER, 1L); easy_setopt(easy, CURLOPT_RESOLVE, dns_cache_list); dup = curl_easy_duphandle(easy); if(dup) { curl_easy_cleanup(easy); easy = dup; } else { curl_slist_free_all(dns_cache_list); curl_easy_cleanup(easy); return CURLE_OUT_OF_MEMORY; } multi_init(multi); multi_add_handle(multi, easy); multi_perform(multi, &still_running); abort_on_test_timeout(); while(still_running) { struct timeval timeout; fd_set fdread; fd_set fdwrite; fd_set fdexcep; int maxfd = -99; FD_ZERO(&fdread); FD_ZERO(&fdwrite); FD_ZERO(&fdexcep); timeout.tv_sec = 1; timeout.tv_usec = 0; multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd); /* At this point, maxfd is guaranteed to be greater or equal than -1. */ select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout); abort_on_test_timeout(); multi_perform(multi, &still_running); abort_on_test_timeout(); } test_cleanup: #ifdef LIB1502 /* undocumented cleanup sequence - type UA */ curl_multi_cleanup(multi); curl_easy_cleanup(easy); curl_global_cleanup(); #endif #ifdef LIB1503 /* proper cleanup sequence - type PA */ curl_multi_remove_handle(multi, easy); curl_multi_cleanup(multi); curl_easy_cleanup(easy); curl_global_cleanup(); #endif #ifdef LIB1504 /* undocumented cleanup sequence - type UB */ curl_easy_cleanup(easy); curl_multi_cleanup(multi); curl_global_cleanup(); #endif #ifdef LIB1505 /* proper cleanup sequence - type PB */ curl_multi_remove_handle(multi, easy); curl_easy_cleanup(easy); curl_multi_cleanup(multi); curl_global_cleanup(); #endif curl_slist_free_all(dns_cache_list); return res; }