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 /* Test suppressing the If-Modified-Since header */
26
27 #include "test.h"
28
29 #include "memdebug.h"
30
test(char * URL)31 CURLcode test(char *URL)
32 {
33 struct curl_slist *header = NULL;
34 long unmet;
35 CURL *curl = NULL;
36 CURLcode res = CURLE_OK;
37
38 global_init(CURL_GLOBAL_ALL);
39
40 easy_init(curl);
41
42 easy_setopt(curl, CURLOPT_URL, URL);
43 easy_setopt(curl, CURLOPT_TIMECONDITION, (long)CURL_TIMECOND_IFMODSINCE);
44 /* Some TIMEVALUE; it doesn't matter. */
45 easy_setopt(curl, CURLOPT_TIMEVALUE, 1566210680L);
46
47 header = curl_slist_append(NULL, "If-Modified-Since:");
48 if(!header) {
49 res = TEST_ERR_MAJOR_BAD;
50 goto test_cleanup;
51 }
52
53 easy_setopt(curl, CURLOPT_HTTPHEADER, header);
54
55 res = curl_easy_perform(curl);
56 if(res)
57 goto test_cleanup;
58
59 /* Confirm that the condition checking still worked, even though we
60 * suppressed the actual header.
61 * The server returns 304, which means the condition is "unmet".
62 */
63
64 res = curl_easy_getinfo(curl, CURLINFO_CONDITION_UNMET, &unmet);
65 if(res)
66 goto test_cleanup;
67
68 if(unmet != 1L) {
69 res = TEST_ERR_FAILURE;
70 goto test_cleanup;
71 }
72
73 test_cleanup:
74
75 /* always cleanup */
76 curl_easy_cleanup(curl);
77 curl_slist_free_all(header);
78 curl_global_cleanup();
79
80 return res;
81 }
82
