/*

 * Copyright (C) 2017 Red Hat, Inc.

 *

 * Author: Nikos Mavrogiannopoulos

 *

 * This file is part of GnuTLS.

 *

 * GnuTLS is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 3 of the License, or

 * (at your option) any later version.

 *

 * GnuTLS 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 Lesser General Public License

 * along with this program.  If not, see <https://www.gnu.org/licenses/>

 */

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sys/types.h>

#include <unistd.h>

#include <gnutls/gnutls.h>

#include "utils.h"

#define CHECK_SECURE_SIG(sig) \

	ret = gnutls_sign_is_secure2(sig, 0); \

	if (ret == 0) { \

		fail("error testing %d/%s\n", sig, gnutls_sign_get_name(sig)); \

	} \

	ret = gnutls_sign_is_secure(sig); \

	if (ret == 0) { \

		fail("error testing %d/%s\n", sig, gnutls_sign_get_name(sig)); \

	}

#define CHECK_INSECURE_SIG(sig) \

	ret = gnutls_sign_is_secure2(sig, 0); \

	if (ret != 0) { \

		fail("error testing %d/%s\n", sig, gnutls_sign_get_name(sig)); \

	} \

	ret = gnutls_sign_is_secure2(sig, GNUTLS_SIGN_FLAG_SECURE_FOR_CERTS); \

	if (ret != 0) { \

		fail("error testing %d/%s\n", sig, gnutls_sign_get_name(sig)); \

	} \

	ret = gnutls_sign_is_secure(sig); \

	if (ret != 0) { \

		fail("error testing %d/%s\n", sig, gnutls_sign_get_name(sig)); \

	}

#ifndef ALLOW_SHA1

#define CHECK_INSECURE_FOR_CERTS_SIG(sig) \

	ret = gnutls_sign_is_secure2(sig, 0); \

	if (ret == 0) { \

		fail("error testing %d/%s\n", sig, gnutls_sign_get_name(sig)); \

	} \

	ret = gnutls_sign_is_secure2(sig, GNUTLS_SIGN_FLAG_SECURE_FOR_CERTS); \

	if (ret != 0) { \

		fail("error testing %d/%s\n", sig, gnutls_sign_get_name(sig)); \

	} \

	ret = gnutls_sign_is_secure(sig); \

	if (ret == 0) { \

		fail("error testing %d/%s\n", sig, gnutls_sign_get_name(sig)); \

	}

#else

#define CHECK_INSECURE_FOR_CERTS_SIG(sig)

#endif

void doit(void)

{

	int ret;

	unsigned i;

	CHECK_INSECURE_FOR_CERTS_SIG(GNUTLS_SIGN_RSA_SHA1);

	CHECK_INSECURE_FOR_CERTS_SIG(GNUTLS_SIGN_DSA_SHA1);

	CHECK_INSECURE_FOR_CERTS_SIG(GNUTLS_SIGN_ECDSA_SHA1);

	CHECK_INSECURE_SIG(GNUTLS_SIGN_RSA_MD5);

	CHECK_INSECURE_SIG(GNUTLS_SIGN_RSA_MD2);

	for (i=1;i<=GNUTLS_SIGN_MAX;i++) {

#ifndef ALLOW_SHA1

		if (i==GNUTLS_SIGN_RSA_SHA1||i==GNUTLS_SIGN_DSA_SHA1||i==GNUTLS_SIGN_ECDSA_SHA1)

			continue;

#endif

		if (i==GNUTLS_SIGN_RSA_MD5||i==GNUTLS_SIGN_RSA_MD2||i==GNUTLS_SIGN_UNKNOWN)

			continue;

		/* skip any unused elements */

		if (gnutls_sign_algorithm_get_name(i)==NULL)

			continue;

		CHECK_SECURE_SIG(i);

	}

}