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78 lines
2.3 KiB
C
78 lines
2.3 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 - 2019, 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.haxx.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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* Shows HTTPS usage with client certs and optional ssl engine use.
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* </DESC>
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*/
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#include <assert.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <curl/curl.h>
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/*
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* An SSL-enabled libcurl is required for this sample to work (at least one
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* SSL backend has to be configured).
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*
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* **** This example only works with libcurl 7.56.0 and later! ****
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*/
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int main(int argc, char **argv)
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{
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const char *name = argc > 1 ? argv[1] : "openssl";
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CURLsslset result;
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if(!strcmp("list", name)) {
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const curl_ssl_backend **list;
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int i;
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result = curl_global_sslset(-1, NULL, &list);
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assert(result == CURLSSLSET_UNKNOWN_BACKEND);
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for(i = 0; list[i]; i++)
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printf("SSL backend #%d: '%s' (ID: %d)\n",
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i, list[i]->name, list[i]->id);
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return 0;
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}
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else if(isdigit((int)(unsigned char)*name)) {
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int id = atoi(name);
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result = curl_global_sslset((curl_sslbackend)id, NULL, NULL);
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}
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else
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result = curl_global_sslset(-1, name, NULL);
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if(result == CURLSSLSET_UNKNOWN_BACKEND) {
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fprintf(stderr, "Unknown SSL backend id: %s\n", name);
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return 1;
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}
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assert(result == CURLSSLSET_OK);
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printf("Version with SSL backend '%s':\n\n\t%s\n", name, curl_version());
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return 0;
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}
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