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Annotation of embedaddon/curl/docs/examples/certinfo.c, revision 1.1.1.1

1.1       misho       1: /***************************************************************************
                      2:  *                                  _   _ ____  _
                      3:  *  Project                     ___| | | |  _ \| |
                      4:  *                             / __| | | | |_) | |
                      5:  *                            | (__| |_| |  _ <| |___
                      6:  *                             \___|\___/|_| \_\_____|
                      7:  *
                      8:  * Copyright (C) 1998 - 2017, 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.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: /* <DESC>
                     23:  * Extract lots of TLS certificate info.
                     24:  * </DESC>
                     25:  */
                     26: #include <stdio.h>
                     27: 
                     28: #include <curl/curl.h>
                     29: 
                     30: static size_t wrfu(void *ptr,  size_t  size,  size_t  nmemb,  void *stream)
                     31: {
                     32:   (void)stream;
                     33:   (void)ptr;
                     34:   return size * nmemb;
                     35: }
                     36: 
                     37: int main(void)
                     38: {
                     39:   CURL *curl;
                     40:   CURLcode res;
                     41: 
                     42:   curl_global_init(CURL_GLOBAL_DEFAULT);
                     43: 
                     44:   curl = curl_easy_init();
                     45:   if(curl) {
                     46:     curl_easy_setopt(curl, CURLOPT_URL, "https://www.example.com/");
                     47: 
                     48:     curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, wrfu);
                     49: 
                     50:     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
                     51:     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
                     52: 
                     53:     curl_easy_setopt(curl, CURLOPT_VERBOSE, 0L);
                     54:     curl_easy_setopt(curl, CURLOPT_CERTINFO, 1L);
                     55: 
                     56:     res = curl_easy_perform(curl);
                     57: 
                     58:     if(!res) {
                     59:       struct curl_certinfo *certinfo;
                     60: 
                     61:       res = curl_easy_getinfo(curl, CURLINFO_CERTINFO, &certinfo);
                     62: 
                     63:       if(!res && certinfo) {
                     64:         int i;
                     65: 
                     66:         printf("%d certs!\n", certinfo->num_of_certs);
                     67: 
                     68:         for(i = 0; i < certinfo->num_of_certs; i++) {
                     69:           struct curl_slist *slist;
                     70: 
                     71:           for(slist = certinfo->certinfo[i]; slist; slist = slist->next)
                     72:             printf("%s\n", slist->data);
                     73: 
                     74:         }
                     75:       }
                     76: 
                     77:     }
                     78: 
                     79:     curl_easy_cleanup(curl);
                     80:   }
                     81: 
                     82:   curl_global_cleanup();
                     83: 
                     84:   return 0;
                     85: }