1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 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.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 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24 /*
25 * This source code is used for lib1502, lib1503, lib1504 and lib1505 with
26 * only #ifdefs controlling the cleanup sequence.
27 *
28 * Test case 1502 converted from bug report #3575448, identifying a memory
29 * leak in the CURLOPT_RESOLVE handling with the multi interface.
30 */
31
32 #include "test.h"
33
34 #include <limits.h>
35
36 #include "testutil.h"
37 #include "warnless.h"
38 #include "memdebug.h"
39
40 #define TEST_HANG_TIMEOUT 60 * 1000
41
test(char * URL)42 CURLcode test(char *URL)
43 {
44 CURL *easy = NULL;
45 CURL *dup;
46 CURLM *multi = NULL;
47 int still_running;
48 CURLcode res = CURLE_OK;
49
50 char redirect[160];
51
52 /* DNS cache injection */
53 struct curl_slist *dns_cache_list;
54
55 res_global_init(CURL_GLOBAL_ALL);
56 if(res) {
57 return res;
58 }
59
60 msnprintf(redirect, sizeof(redirect), "google.com:%s:%s", libtest_arg2,
61 libtest_arg3);
62
63 start_test_timing();
64
65 dns_cache_list = curl_slist_append(NULL, redirect);
66 if(!dns_cache_list) {
67 fprintf(stderr, "curl_slist_append() failed\n");
68 curl_global_cleanup();
69 return TEST_ERR_MAJOR_BAD;
70 }
71
72 easy_init(easy);
73
74 easy_setopt(easy, CURLOPT_URL, URL);
75 easy_setopt(easy, CURLOPT_HEADER, 1L);
76 easy_setopt(easy, CURLOPT_RESOLVE, dns_cache_list);
77
78 dup = curl_easy_duphandle(easy);
79 if(dup) {
80 curl_easy_cleanup(easy);
81 easy = dup;
82 }
83 else {
84 curl_slist_free_all(dns_cache_list);
85 curl_easy_cleanup(easy);
86 curl_global_cleanup();
87 return CURLE_OUT_OF_MEMORY;
88 }
89
90 multi_init(multi);
91
92 multi_add_handle(multi, easy);
93
94 multi_perform(multi, &still_running);
95
96 abort_on_test_timeout();
97
98 while(still_running) {
99 struct timeval timeout;
100 fd_set fdread;
101 fd_set fdwrite;
102 fd_set fdexcep;
103 int maxfd = -99;
104
105 FD_ZERO(&fdread);
106 FD_ZERO(&fdwrite);
107 FD_ZERO(&fdexcep);
108 timeout.tv_sec = 1;
109 timeout.tv_usec = 0;
110
111 multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd);
112
113 /* At this point, maxfd is guaranteed to be greater or equal than -1. */
114
115 select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
116
117 abort_on_test_timeout();
118
119 multi_perform(multi, &still_running);
120
121 abort_on_test_timeout();
122 }
123
124 test_cleanup:
125
126 #ifdef LIB1502
127 /* undocumented cleanup sequence - type UA */
128 curl_multi_cleanup(multi);
129 curl_easy_cleanup(easy);
130 curl_global_cleanup();
131 #endif
132
133 #ifdef LIB1503
134 /* proper cleanup sequence - type PA */
135 curl_multi_remove_handle(multi, easy);
136 curl_multi_cleanup(multi);
137 curl_easy_cleanup(easy);
138 curl_global_cleanup();
139 #endif
140
141 #ifdef LIB1504
142 /* undocumented cleanup sequence - type UB */
143 curl_easy_cleanup(easy);
144 curl_multi_cleanup(multi);
145 curl_global_cleanup();
146 #endif
147
148 #ifdef LIB1505
149 /* proper cleanup sequence - type PB */
150 curl_multi_remove_handle(multi, easy);
151 curl_easy_cleanup(easy);
152 curl_multi_cleanup(multi);
153 curl_global_cleanup();
154 #endif
155
156 curl_slist_free_all(dns_cache_list);
157
158 return res;
159 }
160
