1 /*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 1998 - 2016, 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 * Use CURLOPT_RESOLVE to feed custom IP addresses for given host name + port 24 * number combinations. 25 * </DESC> 26 */ 27 #include <stdio.h> 28 #include <curl/curl.h> 29 30 int main(void) 31 { 32 CURL *curl; 33 CURLcode res = CURLE_OK; 34 struct curl_slist *host = NULL; 35 36 /* Each single name resolve string should be written using the format 37 HOST:PORT:ADDRESS where HOST is the name libcurl will try to resolve, 38 PORT is the port number of the service where libcurl wants to connect to 39 the HOST and ADDRESS is the numerical IP address 40 */ 41 host = curl_slist_append(NULL, "example.com:80:127.0.0.1"); 42 43 curl = curl_easy_init(); 44 if(curl) { 45 curl_easy_setopt(curl, CURLOPT_RESOLVE, host); 46 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com"); 47 res = curl_easy_perform(curl); 48 49 /* always cleanup */ 50 curl_easy_cleanup(curl); 51 } 52 53 curl_slist_free_all(host); 54 55 return (int)res; 56 } 57
