119 lines
4.0 KiB
C
119 lines
4.0 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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* $Id$
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*/
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#include <stdio.h>
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#include <curl/curl.h>
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#include <curl/types.h>
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#include <curl/easy.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 don't 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(int argc, char **argv)
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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 *pCertFile = "testcert.pem";
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const char *pCACertFile="cacert.pem";
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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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#if 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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const char *pPassphrase = NULL;
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headerfile = fopen("dumpit", "w");
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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_WRITEHEADER, headerfile);
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while(1) /* do some ugly short cut... */
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{
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if (pEngine) /* use crypto engine */
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{
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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,"can't 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,1) != 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,"can't 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_SSLKEYPASSWD,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 can't validate server's cert */
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curl_easy_setopt(curl,CURLOPT_SSL_VERIFYPEER,1);
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res = curl_easy_perform(curl);
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break; /* we are done... */
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}
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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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