1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) Linus Nielsen Feltzing <linus@haxx.se>
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 /*
26 * Use global DNS cache (while deprecated it should still work), populate it
27 * with CURLOPT_RESOLVE in the first request and then make sure a subsequent
28 * easy transfer finds and uses the populated stuff.
29 */
30
31 #include "test.h"
32
33 #include "memdebug.h"
34
35 #define NUM_HANDLES 2
36
test(char * URL)37 CURLcode test(char *URL)
38 {
39 CURLcode res = CURLE_OK;
40 CURL *curl[NUM_HANDLES] = {NULL, NULL};
41 char *port = libtest_arg3;
42 char *address = libtest_arg2;
43 char dnsentry[256];
44 struct curl_slist *slist = NULL;
45 int i;
46 char target_url[256];
47 (void)URL; /* URL is setup in the code */
48
49 if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
50 fprintf(stderr, "curl_global_init() failed\n");
51 return TEST_ERR_MAJOR_BAD;
52 }
53
54 msnprintf(dnsentry, sizeof(dnsentry), "server.example.curl:%s:%s",
55 port, address);
56 printf("%s\n", dnsentry);
57 slist = curl_slist_append(slist, dnsentry);
58
59 /* get NUM_HANDLES easy handles */
60 for(i = 0; i < NUM_HANDLES; i++) {
61 /* get an easy handle */
62 easy_init(curl[i]);
63 /* specify target */
64 msnprintf(target_url, sizeof(target_url),
65 "http://server.example.curl:%s/path/1512%04i",
66 port, i + 1);
67 target_url[sizeof(target_url) - 1] = '\0';
68 easy_setopt(curl[i], CURLOPT_URL, target_url);
69 /* go verbose */
70 easy_setopt(curl[i], CURLOPT_VERBOSE, 1L);
71 /* include headers */
72 easy_setopt(curl[i], CURLOPT_HEADER, 1L);
73
74 CURL_IGNORE_DEPRECATION(
75 easy_setopt(curl[i], CURLOPT_DNS_USE_GLOBAL_CACHE, 1L);
76 )
77 }
78
79 /* make the first one populate the GLOBAL cache */
80 easy_setopt(curl[0], CURLOPT_RESOLVE, slist);
81
82 /* run NUM_HANDLES transfers */
83 for(i = 0; (i < NUM_HANDLES) && !res; i++) {
84 res = curl_easy_perform(curl[i]);
85 if(res)
86 goto test_cleanup;
87 }
88
89 test_cleanup:
90
91 curl_easy_cleanup(curl[0]);
92 curl_easy_cleanup(curl[1]);
93 curl_slist_free_all(slist);
94 curl_global_cleanup();
95
96 return res;
97 }
98
