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