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
test(char * URL)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 }
157