mirror of
https://github.com/curl/curl.git
synced 2024-12-27 06:59:43 +08:00
111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
*
|
|
* This software is licensed as described in the file COPYING, which
|
|
* you should have received as part of this distribution. The terms
|
|
* are also available at https://curl.haxx.se/docs/copyright.html.
|
|
*
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
* copies of the Software, and permit persons to whom the Software is
|
|
* furnished to do so, under the terms of the COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
***************************************************************************/
|
|
/* <DESC>
|
|
* Uses the CURLINFO_TLS_SESSION data.
|
|
* </DESC>
|
|
*/
|
|
|
|
/* Note that this example currently requires curl to be linked against
|
|
GnuTLS (and this program must also be linked against -lgnutls). */
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <curl/curl.h>
|
|
#include <gnutls/gnutls.h>
|
|
#include <gnutls/x509.h>
|
|
|
|
static CURL *curl;
|
|
|
|
static size_t wrfu(void *ptr, size_t size, size_t nmemb, void *stream)
|
|
{
|
|
const struct curl_tlssessioninfo *info;
|
|
unsigned int cert_list_size;
|
|
const gnutls_datum_t *chainp;
|
|
CURLcode res;
|
|
|
|
(void)stream;
|
|
(void)ptr;
|
|
|
|
res = curl_easy_getinfo(curl, CURLINFO_TLS_SESSION, &info);
|
|
|
|
if(!res) {
|
|
switch(info->backend) {
|
|
case CURLSSLBACKEND_GNUTLS:
|
|
/* info->internals is now the gnutls_session_t */
|
|
chainp = gnutls_certificate_get_peers(info->internals, &cert_list_size);
|
|
if((chainp) && (cert_list_size)) {
|
|
unsigned int i;
|
|
|
|
for(i = 0; i < cert_list_size; i++) {
|
|
gnutls_x509_crt_t cert;
|
|
gnutls_datum_t dn;
|
|
|
|
if(GNUTLS_E_SUCCESS == gnutls_x509_crt_init(&cert)) {
|
|
if(GNUTLS_E_SUCCESS ==
|
|
gnutls_x509_crt_import(cert, &chainp[i], GNUTLS_X509_FMT_DER)) {
|
|
if(GNUTLS_E_SUCCESS ==
|
|
gnutls_x509_crt_print(cert, GNUTLS_CRT_PRINT_FULL, &dn)) {
|
|
fprintf(stderr, "Certificate #%u: %.*s", i, dn.size, dn.data);
|
|
|
|
gnutls_free(dn.data);
|
|
}
|
|
}
|
|
|
|
gnutls_x509_crt_deinit(cert);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case CURLSSLBACKEND_NONE:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return size * nmemb;
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
curl_global_init(CURL_GLOBAL_DEFAULT);
|
|
|
|
curl = curl_easy_init();
|
|
if(curl) {
|
|
curl_easy_setopt(curl, CURLOPT_URL, "https://www.example.com/");
|
|
|
|
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, wrfu);
|
|
|
|
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
|
|
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
|
|
|
|
curl_easy_setopt(curl, CURLOPT_VERBOSE, 0L);
|
|
|
|
(void) curl_easy_perform(curl);
|
|
|
|
curl_easy_cleanup(curl);
|
|
}
|
|
|
|
curl_global_cleanup();
|
|
|
|
return 0;
|
|
}
|