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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel (at) 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 #include <curl/curl.h>
     24 
     25 int main(void)
     26 {
     27   CURL *curl;
     28   CURLcode res;
     29 
     30   curl_global_init(CURL_GLOBAL_DEFAULT);
     31 
     32   curl = curl_easy_init();
     33   if(curl) {
     34     curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
     35 
     36 #ifdef SKIP_PEER_VERIFICATION
     37     /*
     38      * If you want to connect to a site who isn't using a certificate that is
     39      * signed by one of the certs in the CA bundle you have, you can skip the
     40      * verification of the server's certificate. This makes the connection
     41      * A LOT LESS SECURE.
     42      *
     43      * If you have a CA cert for the server stored someplace else than in the
     44      * default bundle, then the CURLOPT_CAPATH option might come handy for
     45      * you.
     46      */
     47     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
     48 #endif
     49 
     50 #ifdef SKIP_HOSTNAME_VERIFICATION
     51     /*
     52      * If the site you're connecting to uses a different host name that what
     53      * they have mentioned in their server certificate's commonName (or
     54      * subjectAltName) fields, libcurl will refuse to connect. You can skip
     55      * this check, but this will make the connection less secure.
     56      */
     57     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
     58 #endif
     59 
     60     /* Perform the request, res will get the return code */
     61     res = curl_easy_perform(curl);
     62     /* Check for errors */
     63     if(res != CURLE_OK)
     64       fprintf(stderr, "curl_easy_perform() failed: %s\n",
     65               curl_easy_strerror(res));
     66 
     67     /* always cleanup */
     68     curl_easy_cleanup(curl);
     69   }
     70 
     71   curl_global_cleanup();
     72 
     73   return 0;
     74 }
     75