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57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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/* <DESC>
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* Use CURLOPT_RESOLVE to feed custom IP addresses for given host name + port
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* number combinations.
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* </DESC>
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*/
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#include <stdio.h>
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#include <curl/curl.h>
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int main(void)
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{
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CURL *curl;
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CURLcode res = CURLE_OK;
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/* Each single name resolve string should be written using the format
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HOST:PORT:ADDRESS where HOST is the name libcurl will try to resolve,
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PORT is the port number of the service where libcurl wants to connect to
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the HOST and ADDRESS is the numerical IP address
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*/
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struct curl_slist *host = curl_slist_append(NULL,
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"example.com:443:127.0.0.1");
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curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_RESOLVE, host);
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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res = curl_easy_perform(curl);
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/* always cleanup */
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curl_easy_cleanup(curl);
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}
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curl_slist_free_all(host);
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return (int)res;
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}
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