1/*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 1998 - 2014, 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 http://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/* 24 * Check for bugs #1303 and #1327: libcurl should never remove DNS entries 25 * created via CURLOPT_RESOLVE, neither after DNS_CACHE_TIMEOUT elapses 26 * (test1515) nor a dead connection is detected (test1616). 27 */ 28 29#include "test.h" 30#include "testutil.h" 31#include "warnless.h" 32#include "memdebug.h" 33 34#define TEST_HANG_TIMEOUT 60 * 1000 35 36#define DNS_TIMEOUT 1 37 38#if defined(WIN32) || defined(_WIN32) 39#define sleep(s) Sleep(s * 1000) 40#endif 41 42#define _MPRINTF_REPLACE 43#include <curl/mprintf.h> 44 45static int debug_callback(CURL *curl, curl_infotype info, char *msg, size_t len, void *ptr) 46{ 47 (void)curl; 48 (void)ptr; 49 50 if(info == CURLINFO_TEXT) 51 fprintf(stderr, "debug: %.*s", (int) len, msg); 52 53 return 0; 54} 55 56static int do_one_request(CURLM *m, char *URL, char *resolve) 57{ 58 CURL *curls; 59 struct curl_slist *resolve_list = NULL; 60 int still_running; 61 int res = 0; 62 CURLMsg *msg; 63 int msgs_left; 64 65 resolve_list = curl_slist_append(resolve_list, resolve); 66 67 easy_init(curls); 68 69 easy_setopt(curls, CURLOPT_URL, URL); 70 easy_setopt(curls, CURLOPT_RESOLVE, resolve_list); 71 easy_setopt(curls, CURLOPT_DEBUGFUNCTION, debug_callback); 72 easy_setopt(curls, CURLOPT_VERBOSE, 1); 73 easy_setopt(curls, CURLOPT_DNS_CACHE_TIMEOUT, DNS_TIMEOUT); 74 75 multi_add_handle(m, curls); 76 multi_perform(m, &still_running); 77 78 abort_on_test_timeout(); 79 80 while(still_running) { 81 struct timeval timeout; 82 fd_set fdread, fdwrite, fdexcep; 83 int maxfd = -99; 84 85 FD_ZERO(&fdread); 86 FD_ZERO(&fdwrite); 87 FD_ZERO(&fdexcep); 88 timeout.tv_sec = 1; 89 timeout.tv_usec = 0; 90 91 multi_fdset(m, &fdread, &fdwrite, &fdexcep, &maxfd); 92 select_test(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); 93 94 abort_on_test_timeout(); 95 multi_perform(m, &still_running); 96 97 abort_on_test_timeout(); 98 } 99 100 while((msg = curl_multi_info_read(m, &msgs_left))) { 101 if(msg->msg == CURLMSG_DONE && msg->easy_handle == curls) { 102 res = msg->data.result; 103 break; 104 } 105 } 106 107test_cleanup: 108 109 curl_multi_remove_handle(m, curls); 110 curl_easy_cleanup(curls); 111 curl_slist_free_all(resolve_list); 112 113 return res; 114} 115 116int test(char *URL) 117{ 118 CURLM* multi = NULL; 119 int res = 0; 120 char *address = libtest_arg2; 121 char *port = libtest_arg3; 122 char *path = URL; 123 char dns_entry[256]; 124 int i; 125 int count = 2; 126 127 snprintf(dns_entry, sizeof(dns_entry), "testserver.example.com:%s:%s", port, address); 128 129 start_test_timing(); 130 131 global_init(CURL_GLOBAL_ALL); 132 multi_init(multi); 133 134 for(i = 1; i <= count; i++) { 135 char target_url[256]; 136 snprintf(target_url, sizeof(target_url), "http://testserver.example.com:%s%s%04d", port, path, i); 137 138 /* second request must succeed like the first one */ 139 if((res = do_one_request(multi, target_url, dns_entry))) 140 goto test_cleanup; 141 142 if(i < count) 143 sleep(DNS_TIMEOUT + 1); 144 } 145 146test_cleanup: 147 148 curl_multi_cleanup(multi); 149 150 return (int) res; 151} 152