1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2020, 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 ***************************************************************************/
22
23/* Test suppressing the If-Modified-Since header */
24
25#include "test.h"
26
27#include "memdebug.h"
28
29int test(char *URL)
30{
31 struct curl_slist *header = NULL;
32 long unmet;
33 CURL *curl = NULL;
34 int res = 0;
35
36 global_init(CURL_GLOBAL_ALL);
37
38 easy_init(curl);
39
40 easy_setopt(curl, CURLOPT_URL, URL);
41 easy_setopt(curl, CURLOPT_TIMECONDITION, (long)CURL_TIMECOND_IFMODSINCE);
42 /* Some TIMEVALUE; it doesn't matter. */
43 easy_setopt(curl, CURLOPT_TIMEVALUE, 1566210680L);
44
45 header = curl_slist_append(NULL, "If-Modified-Since:");
46 if(!header) {
47 res = TEST_ERR_MAJOR_BAD;
48 goto test_cleanup;
49 }
50
51 easy_setopt(curl, CURLOPT_HTTPHEADER, header);
52
53 res = curl_easy_perform(curl);
54 if(res)
55 goto test_cleanup;
56
57 /* Confirm that the condition checking still worked, even though we
58 * suppressed the actual header.
59 * The server returns 304, which means the condition is "unmet".
60 */
61
62 res = curl_easy_getinfo(curl, CURLINFO_CONDITION_UNMET, &unmet);
63 if(res)
64 goto test_cleanup;
65
66 if(unmet != 1L) {
67 res = TEST_ERR_FAILURE;
68 goto test_cleanup;
69 }
70
71test_cleanup:
72
73 /* always cleanup */
74 curl_easy_cleanup(curl);
75 curl_slist_free_all(header);
76 curl_global_cleanup();
77
78 return res;
79}
80