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/*
* OpenVPN -- An application to securely tunnel IP networks
* over a single TCP/UDP port, with support for SSL/TLS-based
* session authentication and key exchange,
* packet encryption, packet authentication, and
* packet compression.
*
* Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
* Copyright (C) 2010 Fox Crypto B.V. <openvpn@fox-it.com>
*
* 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 (see the file COPYING included with this
* distribution); if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* @file PKCS #11 PolarSSL backend
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#elif defined(_MSC_VER)
#include "config-msvc.h"
#endif
#include "syshead.h"
#if defined(ENABLE_PKCS11) && defined(ENABLE_CRYPTO_POLARSSL)
#include "errlevel.h"
#include "pkcs11_backend.h"
#include <polarssl/pkcs11.h>
int
pkcs11_init_tls_session(pkcs11h_certificate_t certificate,
struct tls_root_ctx * const ssl_ctx)
{
int ret = 1;
ASSERT (NULL != ssl_ctx);
if (pkcs11_x509_cert_init(ssl_ctx->crt_chain, certificate)) {
msg (M_FATAL, "PKCS#11: Cannot retrieve PolarSSL certificate object");
goto cleanup;
}
ssl_ctx->priv_key_pkcs11 = malloc(sizeof(pkcs11_context));
if (ssl_ctx->priv_key_pkcs11 == NULL) {
msg (M_FATAL, "PKCS#11: Cannot allocate PolarSSL private key object");
goto cleanup;
}
if (pkcs11_priv_key_init(ssl_ctx->priv_key_pkcs11, certificate)) {
msg (M_FATAL, "PKCS#11: Cannot initialize PolarSSL private key object");
goto cleanup;
}
ret = 0;
cleanup:
return ret;
}
char *
pkcs11_certificate_dn (pkcs11h_certificate_t cert, struct gc_arena *gc)
{
char *ret = NULL;
char dn[1024] = {0};
x509_cert polar_cert = {0};
if (pkcs11_x509_cert_init(&polar_cert, cert)) {
msg (M_FATAL, "PKCS#11: Cannot retrieve PolarSSL certificate object");
goto cleanup;
}
if (-1 == x509parse_dn_gets (dn, sizeof(dn), &polar_cert.subject)) {
msg (M_FATAL, "PKCS#11: PolarSSL cannot parse subject");
goto cleanup;
}
ret = string_alloc(dn, gc);
cleanup:
x509_free(&polar_cert);
return ret;
}
int
pkcs11_certificate_serial (pkcs11h_certificate_t cert, char *serial,
size_t serial_len)
{
int ret = 1;
x509_cert polar_cert = {0};
if (pkcs11_x509_cert_init(&polar_cert, cert)) {
msg (M_FATAL, "PKCS#11: Cannot retrieve PolarSSL certificate object");
goto cleanup;
}
if (-1 == x509parse_serial_gets (serial, serial_len, &polar_cert.serial)) {
msg (M_FATAL, "PKCS#11: PolarSSL cannot parse serial");
goto cleanup;
}
ret = 0;
cleanup:
x509_free(&polar_cert);
return ret;
}
#endif /* defined(ENABLE_PKCS11) && defined(ENABLE_CRYPTO_POLARSSL) */
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