1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2017, 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
test(char * URL)40 int test(char *URL)
41 {
42 CURL *easy = NULL;
43 CURLM *multi = NULL;
44 int still_running;
45 int res = 0;
46
47 char redirect[160];
48
49 /* DNS cache injection */
50 struct curl_slist *dns_cache_list;
51
52 snprintf(redirect, sizeof(redirect), "google.com:%s:%s", libtest_arg2,
53 libtest_arg3);
54
55 start_test_timing();
56
57 dns_cache_list = curl_slist_append(NULL, redirect);
58 if(!dns_cache_list) {
59 fprintf(stderr, "curl_slist_append() failed\n");
60 return TEST_ERR_MAJOR_BAD;
61 }
62
63 res_global_init(CURL_GLOBAL_ALL);
64 if(res) {
65 curl_slist_free_all(dns_cache_list);
66 return res;
67 }
68
69 easy_init(easy);
70
71 easy_setopt(easy, CURLOPT_URL, URL);
72 easy_setopt(easy, CURLOPT_HEADER, 1L);
73 easy_setopt(easy, CURLOPT_RESOLVE, dns_cache_list);
74
75 multi_init(multi);
76
77 multi_add_handle(multi, easy);
78
79 multi_perform(multi, &still_running);
80
81 abort_on_test_timeout();
82
83 while(still_running) {
84 struct timeval timeout;
85 fd_set fdread;
86 fd_set fdwrite;
87 fd_set fdexcep;
88 int maxfd = -99;
89
90 FD_ZERO(&fdread);
91 FD_ZERO(&fdwrite);
92 FD_ZERO(&fdexcep);
93 timeout.tv_sec = 1;
94 timeout.tv_usec = 0;
95
96 multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd);
97
98 /* At this point, maxfd is guaranteed to be greater or equal than -1. */
99
100 select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
101
102 abort_on_test_timeout();
103
104 multi_perform(multi, &still_running);
105
106 abort_on_test_timeout();
107 }
108
109 test_cleanup:
110
111 #ifdef LIB1502
112 /* undocumented cleanup sequence - type UA */
113 curl_multi_cleanup(multi);
114 curl_easy_cleanup(easy);
115 curl_global_cleanup();
116 #endif
117
118 #ifdef LIB1503
119 /* proper cleanup sequence - type PA */
120 curl_multi_remove_handle(multi, easy);
121 curl_multi_cleanup(multi);
122 curl_easy_cleanup(easy);
123 curl_global_cleanup();
124 #endif
125
126 #ifdef LIB1504
127 /* undocumented cleanup sequence - type UB */
128 curl_easy_cleanup(easy);
129 curl_multi_cleanup(multi);
130 curl_global_cleanup();
131 #endif
132
133 #ifdef LIB1505
134 /* proper cleanup sequence - type PB */
135 curl_multi_remove_handle(multi, easy);
136 curl_easy_cleanup(easy);
137 curl_multi_cleanup(multi);
138 curl_global_cleanup();
139 #endif
140
141 curl_slist_free_all(dns_cache_list);
142
143 return res;
144 }
145