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 #include "test.h"
25
26 #include "memdebug.h"
27
28 static const char *TEST_DATA_STRING = "Test data";
29 static int cb_count = 0;
30
31 static int
resolver_alloc_cb_fail(void * resolver_state,void * reserved,void * userdata)32 resolver_alloc_cb_fail(void *resolver_state, void *reserved, void *userdata)
33 {
34 (void)resolver_state;
35 (void)reserved;
36
37 cb_count++;
38 if(strcmp(userdata, TEST_DATA_STRING)) {
39 fprintf(stderr, "Invalid test data received");
40 exit(1);
41 }
42
43 return 1;
44 }
45
46 static int
resolver_alloc_cb_pass(void * resolver_state,void * reserved,void * userdata)47 resolver_alloc_cb_pass(void *resolver_state, void *reserved, void *userdata)
48 {
49 (void)resolver_state;
50 (void)reserved;
51
52 cb_count++;
53 if(strcmp(userdata, TEST_DATA_STRING)) {
54 fprintf(stderr, "Invalid test data received");
55 exit(1);
56 }
57
58 return 0;
59 }
60
test(char * URL)61 CURLcode test(char *URL)
62 {
63 CURL *curl;
64 CURLcode res = CURLE_OK;
65
66 if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
67 fprintf(stderr, "curl_global_init() failed\n");
68 return TEST_ERR_MAJOR_BAD;
69 }
70 curl = curl_easy_init();
71 if(!curl) {
72 fprintf(stderr, "curl_easy_init() failed\n");
73 res = TEST_ERR_MAJOR_BAD;
74 goto test_cleanup;
75 }
76
77 /* First set the URL that is about to receive our request. */
78 test_setopt(curl, CURLOPT_URL, URL);
79
80 test_setopt(curl, CURLOPT_RESOLVER_START_DATA, TEST_DATA_STRING);
81 test_setopt(curl, CURLOPT_RESOLVER_START_FUNCTION, resolver_alloc_cb_fail);
82
83 /* this should fail */
84 res = curl_easy_perform(curl);
85 if(res != CURLE_COULDNT_RESOLVE_HOST) {
86 fprintf(stderr, "curl_easy_perform should have returned "
87 "CURLE_COULDNT_RESOLVE_HOST but instead returned error %d\n", res);
88 if(res == CURLE_OK)
89 res = TEST_ERR_FAILURE;
90 goto test_cleanup;
91 }
92
93 test_setopt(curl, CURLOPT_RESOLVER_START_FUNCTION, resolver_alloc_cb_pass);
94
95 /* this should succeed */
96 res = curl_easy_perform(curl);
97 if(res) {
98 fprintf(stderr, "curl_easy_perform failed.\n");
99 goto test_cleanup;
100 }
101
102 if(cb_count != 2) {
103 fprintf(stderr, "Unexpected number of callbacks: %d\n", cb_count);
104 res = TEST_ERR_FAILURE;
105 goto test_cleanup;
106 }
107
108 test_cleanup:
109 /* always cleanup */
110 curl_easy_cleanup(curl);
111 curl_global_cleanup();
112
113 return res;
114 }
115
