1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2011, 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 http://curl.haxx.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 #include <stdio.h>
23
24 #include <curl/curl.h>
25
wrfu(void * ptr,size_t size,size_t nmemb,void * stream)26 static size_t wrfu(void *ptr, size_t size, size_t nmemb, void *stream)
27 {
28 (void)stream;
29 (void)ptr;
30 return size * nmemb;
31 }
32
main(void)33 int main(void)
34 {
35 CURL *curl;
36 CURLcode res;
37
38 curl_global_init(CURL_GLOBAL_DEFAULT);
39
40 curl = curl_easy_init();
41 if(curl) {
42 curl_easy_setopt(curl, CURLOPT_URL, "https://www.example.com/");
43
44 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, wrfu);
45
46 curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
47 curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
48
49 curl_easy_setopt(curl, CURLOPT_VERBOSE, 0L);
50 curl_easy_setopt(curl, CURLOPT_CERTINFO, 1L);
51
52 res = curl_easy_perform(curl);
53
54 if(!res) {
55 union {
56 struct curl_slist *to_info;
57 struct curl_certinfo *to_certinfo;
58 } ptr;
59
60 ptr.to_info = NULL;
61
62 res = curl_easy_getinfo(curl, CURLINFO_CERTINFO, &ptr.to_info);
63
64 if(!res && ptr.to_info) {
65 int i;
66
67 printf("%d certs!\n", ptr.to_certinfo->num_of_certs);
68
69 for(i = 0; i < ptr.to_certinfo->num_of_certs; i++) {
70 struct curl_slist *slist;
71
72 for(slist = ptr.to_certinfo->certinfo[i]; slist; slist = slist->next)
73 printf("%s\n", slist->data);
74
75 }
76 }
77
78 }
79
80 curl_easy_cleanup(curl);
81 }
82
83 curl_global_cleanup();
84
85 return 0;
86 }
87