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