103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
|
/*
|
||
|
|
* OpenSSL certificate verification for Linux.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2016-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
|
||
|
|
*
|
||
|
|
* Authors: Russ Kubik
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
||
|
|
* MA 02110-1301, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <openssl/bio.h>
|
||
|
|
#include <openssl/err.h>
|
||
|
|
#include <openssl/pem.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <inttypes.h>
|
||
|
|
|
||
|
|
#include <curl/curl.h>
|
||
|
|
|
||
|
|
#include "output.h"
|
||
|
|
#include "cert_util.h"
|
||
|
|
#include "cert_util_internal.h"
|
||
|
|
|
||
|
|
void set_tls_ca_bundle(CURL *curl)
|
||
|
|
{
|
||
|
|
char *ca_bundle;
|
||
|
|
|
||
|
|
ca_bundle = getenv("CURL_CA_BUNDLE");
|
||
|
|
if (ca_bundle == NULL)
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (curl_easy_setopt(curl, CURLOPT_CAINFO, ca_bundle) != CURLE_OK) {
|
||
|
|
fprintf(stderr, "Failed to set CURLOPT_CAINFO!\n");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
cl_error_t cert_store_load(X509 **trusted_certs, size_t trusted_cert_count)
|
||
|
|
{
|
||
|
|
cl_error_t ret = CL_EOPEN;
|
||
|
|
cert_store_t *store = NULL;
|
||
|
|
int pt_err;
|
||
|
|
|
||
|
|
do {
|
||
|
|
store = cert_store_get_int();
|
||
|
|
if (!store) {
|
||
|
|
mprintf("!Failed to retrieve cert store\n");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
pt_err = pthread_mutex_lock(&store->mutex);
|
||
|
|
if (pt_err) {
|
||
|
|
errno = pt_err;
|
||
|
|
mprintf("!Mutex lock failed\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
if (store->loaded) {
|
||
|
|
ret = 0;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* System certs do not need to be added as they can be accessed directly
|
||
|
|
* by the SSL library. */
|
||
|
|
store->system_certs.count = 0;
|
||
|
|
store->system_certs.certificates = NULL;
|
||
|
|
|
||
|
|
if (trusted_certs && trusted_cert_count > 0) {
|
||
|
|
if (cert_store_set_trusted_int(trusted_certs, trusted_cert_count) == 0) {
|
||
|
|
mprintf("*Trusted certificates loaded: %zu\n",
|
||
|
|
store->trusted_certs.count);
|
||
|
|
} else {
|
||
|
|
mprintf("^Continuing without trusted certificates\n");
|
||
|
|
/* proceed as if we succeeded using only certificates from the
|
||
|
|
* system */
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
store->loaded = true;
|
||
|
|
ret = 0;
|
||
|
|
} while (0);
|
||
|
|
|
||
|
|
if (store) {
|
||
|
|
pt_err = pthread_mutex_unlock(&store->mutex);
|
||
|
|
if (pt_err) {
|
||
|
|
errno = pt_err;
|
||
|
|
mprintf("!Mutex unlock failed\n");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|