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

1.1       misho       1: /***************************************************************************
                      2:  *                                  _   _ ____  _
                      3:  *  Project                     ___| | | |  _ \| |
                      4:  *                             / __| | | | |_) | |
                      5:  *                            | (__| |_| |  _ <| |___
                      6:  *                             \___|\___/|_| \_\_____|
                      7:  *
                      8:  * Copyright (C) 1998 - 2019, 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:  * 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: }