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2bc1d775f5
- they are mostly pointless in all major jurisdictions - many big corporations and projects already don't use them - saves us from pointless churn - git keeps history for us - the year range is kept in COPYING checksrc is updated to allow non-year using copyright statements Closes #10205
144 lines
4.6 KiB
C
144 lines
4.6 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) 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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* SPDX-License-Identifier: curl
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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 <stdio.h>
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#include <curl/curl.h>
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/* some requirements for this to work:
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1. set pCertFile to the file with the client certificate
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2. if the key is passphrase protected, set pPassphrase to the
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passphrase you use
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3. if you are using a crypto engine:
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3.1. set a #define USE_ENGINE
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3.2. set pEngine to the name of the crypto engine you use
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3.3. set pKeyName to the key identifier you want to use
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4. if you do not use a crypto engine:
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4.1. set pKeyName to the file name of your client key
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4.2. if the format of the key file is DER, set pKeyType to "DER"
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!! verify of the server certificate is not implemented here !!
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**** This example only works with libcurl 7.9.3 and later! ****
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*/
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int main(void)
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{
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CURL *curl;
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CURLcode res;
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FILE *headerfile;
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const char *pPassphrase = NULL;
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static const char *pCertFile = "testcert.pem";
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static const char *pCACertFile = "cacert.pem";
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static const char *pHeaderFile = "dumpit";
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const char *pKeyName;
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const char *pKeyType;
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const char *pEngine;
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#ifdef USE_ENGINE
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pKeyName = "rsa_test";
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pKeyType = "ENG";
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pEngine = "chil"; /* for nChiper HSM... */
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#else
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pKeyName = "testkey.pem";
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pKeyType = "PEM";
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pEngine = NULL;
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#endif
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headerfile = fopen(pHeaderFile, "wb");
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curl_global_init(CURL_GLOBAL_DEFAULT);
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curl = curl_easy_init();
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if(curl) {
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/* what call to write: */
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curl_easy_setopt(curl, CURLOPT_URL, "HTTPS://your.favourite.ssl.site");
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curl_easy_setopt(curl, CURLOPT_HEADERDATA, headerfile);
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do { /* dummy loop, just to break out from */
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if(pEngine) {
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/* use crypto engine */
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if(curl_easy_setopt(curl, CURLOPT_SSLENGINE, pEngine) != CURLE_OK) {
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/* load the crypto engine */
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fprintf(stderr, "cannot set crypto engine\n");
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break;
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}
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if(curl_easy_setopt(curl, CURLOPT_SSLENGINE_DEFAULT, 1L) != CURLE_OK) {
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/* set the crypto engine as default */
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/* only needed for the first time you load
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a engine in a curl object... */
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fprintf(stderr, "cannot set crypto engine as default\n");
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break;
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}
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}
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/* cert is stored PEM coded in file... */
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/* since PEM is default, we needn't set it for PEM */
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curl_easy_setopt(curl, CURLOPT_SSLCERTTYPE, "PEM");
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/* set the cert for client authentication */
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curl_easy_setopt(curl, CURLOPT_SSLCERT, pCertFile);
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/* sorry, for engine we must set the passphrase
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(if the key has one...) */
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if(pPassphrase)
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curl_easy_setopt(curl, CURLOPT_KEYPASSWD, pPassphrase);
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/* if we use a key stored in a crypto engine,
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we must set the key type to "ENG" */
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curl_easy_setopt(curl, CURLOPT_SSLKEYTYPE, pKeyType);
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/* set the private key (file or ID in engine) */
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curl_easy_setopt(curl, CURLOPT_SSLKEY, pKeyName);
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/* set the file with the certs vaildating the server */
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curl_easy_setopt(curl, CURLOPT_CAINFO, pCACertFile);
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/* disconnect if we cannot validate server's cert */
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);
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/* Perform the request, res will get the return code */
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res = curl_easy_perform(curl);
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/* Check for errors */
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if(res != CURLE_OK)
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fprintf(stderr, "curl_easy_perform() failed: %s\n",
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curl_easy_strerror(res));
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/* we are done... */
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} while(0);
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/* always cleanup */
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curl_easy_cleanup(curl);
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}
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curl_global_cleanup();
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return 0;
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}
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