1/*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 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.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 * SPDX-License-Identifier: curl 22 * 23 ***************************************************************************/ 24/* <DESC> 25 * Simple HTTPS GET 26 * </DESC> 27 */ 28#include <stdio.h> 29#include <curl/curl.h> 30 31int main(void) 32{ 33 CURL *curl; 34 CURLcode res; 35 36 curl_global_init(CURL_GLOBAL_DEFAULT); 37 38 curl = curl_easy_init(); 39 if(curl) { 40 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); 41 42#ifdef SKIP_PEER_VERIFICATION 43 /* 44 * If you want to connect to a site who is not using a certificate that is 45 * signed by one of the certs in the CA bundle you have, you can skip the 46 * verification of the server's certificate. This makes the connection 47 * A LOT LESS SECURE. 48 * 49 * If you have a CA cert for the server stored someplace else than in the 50 * default bundle, then the CURLOPT_CAPATH option might come handy for 51 * you. 52 */ 53 curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L); 54#endif 55 56#ifdef SKIP_HOSTNAME_VERIFICATION 57 /* 58 * If the site you are connecting to uses a different host name that what 59 * they have mentioned in their server certificate's commonName (or 60 * subjectAltName) fields, libcurl will refuse to connect. You can skip 61 * this check, but this will make the connection less secure. 62 */ 63 curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L); 64#endif 65 66 /* cache the CA cert bundle in memory for a week */ 67 curl_easy_setopt(curl, CURLOPT_CA_CACHE_TIMEOUT, 604800L); 68 69 /* Perform the request, res will get the return code */ 70 res = curl_easy_perform(curl); 71 /* Check for errors */ 72 if(res != CURLE_OK) 73 fprintf(stderr, "curl_easy_perform() failed: %s\n", 74 curl_easy_strerror(res)); 75 76 /* always cleanup */ 77 curl_easy_cleanup(curl); 78 } 79 80 curl_global_cleanup(); 81 82 return 0; 83} 84