mirror of
https://github.com/OpenVPN/openvpn.git
synced 2024-09-20 12:02:28 +02:00
31ea2ee4ca
Signed-off-by: Adriaan de Jong <dejong@fox-it.com> Acked-by: David Sommerseth <davids@redhat.com> Signed-off-by: David Sommerseth <davids@redhat.com>
189 lines
4.3 KiB
C
189 lines
4.3 KiB
C
/*
|
|
* 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 OpenSSL backend
|
|
*/
|
|
|
|
#include "syshead.h"
|
|
|
|
#if defined(ENABLE_PKCS11) && defined(USE_OPENSSL)
|
|
|
|
#include "errlevel.h"
|
|
#include "pkcs11_backend.h"
|
|
#include <pkcs11-helper-1.0/pkcs11h-openssl.h>
|
|
|
|
int
|
|
pkcs11_init_tls_session(pkcs11h_certificate_t certificate,
|
|
struct tls_root_ctx * const ssl_ctx)
|
|
{
|
|
int ret = 1;
|
|
|
|
X509 *x509 = NULL;
|
|
RSA *rsa = NULL;
|
|
pkcs11h_openssl_session_t openssl_session = NULL;
|
|
|
|
if ((openssl_session = pkcs11h_openssl_createSession (certificate)) == NULL)
|
|
{
|
|
msg (M_WARN, "PKCS#11: Cannot initialize openssl session");
|
|
goto cleanup;
|
|
}
|
|
|
|
/*
|
|
* Will be released by openssl_session
|
|
*/
|
|
certificate = NULL;
|
|
|
|
if ((rsa = pkcs11h_openssl_session_getRSA (openssl_session)) == NULL)
|
|
{
|
|
msg (M_WARN, "PKCS#11: Unable get rsa object");
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((x509 = pkcs11h_openssl_session_getX509 (openssl_session)) == NULL)
|
|
{
|
|
msg (M_WARN, "PKCS#11: Unable get certificate object");
|
|
goto cleanup;
|
|
}
|
|
|
|
if (!SSL_CTX_use_RSAPrivateKey (ssl_ctx->ctx, rsa))
|
|
{
|
|
msg (M_WARN, "PKCS#11: Cannot set private key for openssl");
|
|
goto cleanup;
|
|
}
|
|
|
|
if (!SSL_CTX_use_certificate (ssl_ctx->ctx, x509))
|
|
{
|
|
msg (M_WARN, "PKCS#11: Cannot set certificate for openssl");
|
|
goto cleanup;
|
|
}
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
/*
|
|
* Certificate freeing is usually handled by openssl_session.
|
|
* If something went wrong, creating the session we have to do it manually.
|
|
*/
|
|
if (certificate != NULL) {
|
|
pkcs11h_certificate_freeCertificate (certificate);
|
|
certificate = NULL;
|
|
}
|
|
|
|
/*
|
|
* openssl objects have reference
|
|
* count, so release them
|
|
*/
|
|
if (x509 != NULL)
|
|
{
|
|
X509_free (x509);
|
|
x509 = NULL;
|
|
}
|
|
|
|
if (rsa != NULL)
|
|
{
|
|
RSA_free (rsa);
|
|
rsa = NULL;
|
|
}
|
|
|
|
if (openssl_session != NULL)
|
|
{
|
|
pkcs11h_openssl_freeSession (openssl_session);
|
|
openssl_session = NULL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
pkcs11_certificate_dn (pkcs11h_certificate_t certificate, char *dn,
|
|
size_t dn_len)
|
|
{
|
|
X509 *x509 = NULL;
|
|
int ret = 1;
|
|
|
|
if ((x509 = pkcs11h_openssl_getX509 (certificate)) == NULL)
|
|
{
|
|
msg (M_FATAL, "PKCS#11: Cannot get X509");
|
|
ret = 1;
|
|
goto cleanup;
|
|
}
|
|
|
|
X509_NAME_oneline (X509_get_subject_name (x509), dn, dn_len);
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
if (x509 != NULL)
|
|
{
|
|
X509_free (x509);
|
|
x509 = NULL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
pkcs11_certificate_serial (pkcs11h_certificate_t certificate, char *serial,
|
|
size_t serial_len)
|
|
{
|
|
X509 *x509 = NULL;
|
|
BIO *bio = NULL;
|
|
int ret = 1;
|
|
int n;
|
|
|
|
if ((x509 = pkcs11h_openssl_getX509 (certificate)) == NULL)
|
|
{
|
|
msg (M_FATAL, "PKCS#11: Cannot get X509");
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((bio = BIO_new (BIO_s_mem ())) == NULL)
|
|
{
|
|
msg (M_FATAL, "PKCS#11: Cannot create BIO");
|
|
goto cleanup;
|
|
}
|
|
|
|
i2a_ASN1_INTEGER(bio, X509_get_serialNumber (x509));
|
|
n = BIO_read (bio, serial, serial_len-1);
|
|
|
|
if (n<0) {
|
|
serial[0] = '\x0';
|
|
}
|
|
else {
|
|
serial[n] = 0;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
|
|
if (x509 != NULL)
|
|
{
|
|
X509_free (x509);
|
|
x509 = NULL;
|
|
}
|
|
return ret;
|
|
}
|
|
#endif /* defined(ENABLE_PKCS11) && defined(ENABLE_OPENSSL) */
|