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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2015, 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 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  * Simple HTTPS GET
     24  * </DESC>
     25  */
     26 #include <stdio.h>
     27 #include <curl/curl.h>
     28 
     29 int main(void)
     30 {
     31   CURL *curl;
     32   CURLcode res;
     33 
     34   curl_global_init(CURL_GLOBAL_DEFAULT);
     35 
     36   curl = curl_easy_init();
     37   if(curl) {
     38     curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
     39 
     40 #ifdef SKIP_PEER_VERIFICATION
     41     /*
     42      * If you want to connect to a site who isn't using a certificate that is
     43      * signed by one of the certs in the CA bundle you have, you can skip the
     44      * verification of the server's certificate. This makes the connection
     45      * A LOT LESS SECURE.
     46      *
     47      * If you have a CA cert for the server stored someplace else than in the
     48      * default bundle, then the CURLOPT_CAPATH option might come handy for
     49      * you.
     50      */
     51     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
     52 #endif
     53 
     54 #ifdef SKIP_HOSTNAME_VERIFICATION
     55     /*
     56      * If the site you're connecting to uses a different host name that what
     57      * they have mentioned in their server certificate's commonName (or
     58      * subjectAltName) fields, libcurl will refuse to connect. You can skip
     59      * this check, but this will make the connection less secure.
     60      */
     61     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
     62 #endif
     63 
     64     /* Perform the request, res will get the return code */
     65     res = curl_easy_perform(curl);
     66     /* Check for errors */
     67     if(res != CURLE_OK)
     68       fprintf(stderr, "curl_easy_perform() failed: %s\n",
     69               curl_easy_strerror(res));
     70 
     71     /* always cleanup */
     72     curl_easy_cleanup(curl);
     73   }
     74 
     75   curl_global_cleanup();
     76 
     77   return 0;
     78 }
     79