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 /* <DESC>
25 * Simple HTTPS GET
26 * </DESC>
27 */
28 #include <stdio.h>
29 #include <curl/curl.h>
30
main(void)31 int main(void)
32 {
33 CURL *curl;
34 CURLcode res;
35
36 curl_global_init(CURL_GLOBAL_DEFAULT);
37
38 curl = curl_easy_init();
39 if(curl) {
40 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
41
42 #ifdef SKIP_PEER_VERIFICATION
43 /*
44 * If you want to connect to a site who is not using a certificate that is
45 * signed by one of the certs in the CA bundle you have, you can skip the
46 * verification of the server's certificate. This makes the connection
47 * A LOT LESS SECURE.
48 *
49 * If you have a CA cert for the server stored someplace else than in the
50 * default bundle, then the CURLOPT_CAPATH option might come handy for
51 * you.
52 */
53 curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
54 #endif
55
56 #ifdef SKIP_HOSTNAME_VERIFICATION
57 /*
58 * If the site you are connecting to uses a different host name that what
59 * they have mentioned in their server certificate's commonName (or
60 * subjectAltName) fields, libcurl refuses to connect. You can skip this
61 * check, but it makes the connection insecure.
62 */
63 curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
64 #endif
65
66 /* cache the CA cert bundle in memory for a week */
67 curl_easy_setopt(curl, CURLOPT_CA_CACHE_TIMEOUT, 604800L);
68
69 /* Perform the request, res gets the return code */
70 res = curl_easy_perform(curl);
71 /* Check for errors */
72 if(res != CURLE_OK)
73 fprintf(stderr, "curl_easy_perform() failed: %s\n",
74 curl_easy_strerror(res));
75
76 /* always cleanup */
77 curl_easy_cleanup(curl);
78 }
79
80 curl_global_cleanup();
81
82 return 0;
83 }
84
