/*

 * Copyright (C) 2017-2018 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

/* This program tests the ciphersuite negotiation for various key exchange

 * methods and options under TLS1.3. */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <errno.h>

#include <gnutls/gnutls.h>

#include "utils.h"

#include "cert-common.h"

#include "eagain-common.h"

#include "cipher-neg-common.c"

/* We remove the ECDHE and DHE key exchanges as they impose additional

 * rules in the sorting of groups.

 */

#define SPRIO "NORMAL:-VERS-ALL:+VERS-TLS1.3"

#define CPRIO "NORMAL:-VERS-ALL:+VERS-TLS1.3"

test_case_st tests[] = {

	{

		.name = "server TLS 1.3: NULL (server - exp fallback)",

		.not_on_fips = 1,

		.cipher = GNUTLS_CIPHER_NULL,

		.server_prio = SPRIO":+VERS-TLS1.2:-CIPHER-ALL:+NULL:+CIPHER-ALL:%SERVER_PRECEDENCE:-GROUP-ALL:+GROUP-SECP256R1:+GROUP-ALL",

		.client_prio = CPRIO":+VERS-TLS1.2:+NULL:-GROUP-ALL:+GROUP-FFDHE2048:+GROUP-SECP384R1:+GROUP-SECP521R1:+GROUP-SECP256R1",

		.desc = "(TLS1.2)-(ECDHE-SECP256R1)-(ECDSA-SHA256)-(NULL)-(SHA1)",

	},

	{

		.name = "client TLS 1.3: NULL (client)",

		.not_on_fips = 1,

		.cipher = GNUTLS_CIPHER_NULL,

		.server_prio = SPRIO":+VERS-TLS1.2:+NULL:-GROUP-ALL:+GROUP-FFDHE2048:+GROUP-SECP384R1:+GROUP-SECP521R1:+GROUP-SECP256R1",

		.client_prio = CPRIO":-CIPHER-ALL:+NULL:+CIPHER-ALL:+VERS-TLS1.2:-GROUP-ALL:+GROUP-SECP256R1:+GROUP-ALL",

		.desc = "(TLS1.2)-(ECDHE-SECP256R1)-(ECDSA-SHA256)-(NULL)-(SHA1)",

	},

	{

		.name = "server TLS 1.3: AES-128-GCM with SECP256R1 (server)",

		.cipher = GNUTLS_CIPHER_AES_128_GCM,

		.group = GNUTLS_GROUP_SECP256R1,

		.server_prio = SPRIO":-CIPHER-ALL:+AES-128-GCM:+CIPHER-ALL:%SERVER_PRECEDENCE:-GROUP-ALL:+GROUP-SECP256R1:+GROUP-ALL",

		.client_prio = CPRIO":+AES-128-GCM:-GROUP-ALL:+GROUP-FFDHE2048:+GROUP-SECP384R1:+GROUP-SECP521R1:+GROUP-SECP256R1",

		.desc = "(TLS1.3)-(ECDHE-SECP256R1)-(RSA-PSS-RSAE-SHA256)-(AES-128-GCM)",

	},

	{

		.name = "both TLS 1.3: AES-128-GCM with X25519 (server)",

		.cipher = GNUTLS_CIPHER_AES_128_GCM,

		.group = GNUTLS_GROUP_X25519,

		.server_prio = SPRIO":-CIPHER-ALL:+AES-128-GCM:+CIPHER-ALL:%SERVER_PRECEDENCE:-GROUP-ALL:+GROUP-X25519:+GROUP-ALL",

		.client_prio = CPRIO":+AES-128-GCM:-GROUP-ALL:+GROUP-FFDHE2048:+GROUP-SECP384R1:+GROUP-SECP521R1:+GROUP-SECP256R1:+GROUP-ALL",

		.desc = "(TLS1.3)-(ECDHE-X25519)-(RSA-PSS-RSAE-SHA256)-(AES-128-GCM)",

	},

	{

		.name = "client TLS 1.3: AES-128-GCM with SECP256R1 (client)",

		.cipher = GNUTLS_CIPHER_AES_128_GCM,

		.group = GNUTLS_GROUP_SECP256R1,

		.server_prio = SPRIO":+AES-128-GCM:-GROUP-ALL:+GROUP-FFDHE2048:+GROUP-SECP384R1:+GROUP-SECP521R1:+GROUP-SECP256R1",

		.client_prio = CPRIO":-CIPHER-ALL:+AES-128-GCM:+CIPHER-ALL:-VERS-ALL:+VERS-TLS1.3:-GROUP-ALL:+GROUP-SECP256R1:+GROUP-ALL",

		.desc = "(TLS1.3)-(ECDHE-SECP256R1)-(RSA-PSS-RSAE-SHA256)-(AES-128-GCM)",

	},

	{

		.name = "both TLS 1.3: AES-128-GCM with X25519 (client)",

		.cipher = GNUTLS_CIPHER_AES_128_GCM,

		.group = GNUTLS_GROUP_X25519,

		.server_prio = SPRIO":+AES-128-GCM:-GROUP-ALL:+GROUP-FFDHE2048:+GROUP-SECP384R1:+GROUP-SECP521R1:+GROUP-SECP256R1:+GROUP-ALL",

		.client_prio = CPRIO":-CIPHER-ALL:+AES-128-GCM:+CIPHER-ALL:-VERS-ALL:+VERS-TLS1.3:-GROUP-ALL:+GROUP-X25519:+GROUP-ALL",

		.desc = "(TLS1.3)-(ECDHE-X25519)-(RSA-PSS-RSAE-SHA256)-(AES-128-GCM)",

	},

	{

		.name = "server TLS 1.3: AES-128-CCM and FFDHE2048 (server)",

		.cipher = GNUTLS_CIPHER_AES_128_CCM,

		.group = GNUTLS_GROUP_FFDHE2048,

		.server_prio = SPRIO":-CIPHER-ALL:+AES-128-CCM:+CIPHER-ALL:%SERVER_PRECEDENCE:-GROUP-ALL:+GROUP-FFDHE2048:+GROUP-ALL",

		.client_prio = CPRIO":+AES-128-CCM",

		.desc = "(TLS1.3)-(DHE-FFDHE2048)-(RSA-PSS-RSAE-SHA256)-(AES-128-CCM)",

	},

	{

		.name = "both TLS 1.3: AES-128-CCM and FFDHE 2048 (server)",

		.cipher = GNUTLS_CIPHER_AES_128_CCM,

		.group = GNUTLS_GROUP_FFDHE2048,

		.server_prio = SPRIO":-CIPHER-ALL:+AES-128-CCM:+CIPHER-ALL:%SERVER_PRECEDENCE:-GROUP-ALL:+GROUP-FFDHE2048:+GROUP-ALL",

		.client_prio = CPRIO":+AES-128-CCM:+VERS-TLS1.3",

		.desc = "(TLS1.3)-(DHE-FFDHE2048)-(RSA-PSS-RSAE-SHA256)-(AES-128-CCM)",

	},

	{

		.name = "client TLS 1.3: AES-128-CCM and FFDHE 2048 (client)",

		.cipher = GNUTLS_CIPHER_AES_128_CCM,

		.group = GNUTLS_GROUP_FFDHE2048,

		.server_prio = SPRIO":+AES-128-CCM",

		.client_prio = CPRIO":-CIPHER-ALL:+AES-128-CCM:+CIPHER-ALL:-VERS-ALL:+VERS-TLS1.3:-GROUP-ALL:+GROUP-FFDHE2048:+GROUP-ALL",

		.desc = "(TLS1.3)-(DHE-FFDHE2048)-(RSA-PSS-RSAE-SHA256)-(AES-128-CCM)",

	},

	{

		.name = "both TLS 1.3: AES-128-CCM and FFDHE 2048 (client)",

		.cipher = GNUTLS_CIPHER_AES_128_CCM,

		.group = GNUTLS_GROUP_FFDHE2048,

		.server_prio = SPRIO":+AES-128-CCM:+VERS-TLS1.3",

		.client_prio = CPRIO":-CIPHER-ALL:+AES-128-CCM:+CIPHER-ALL:-VERS-ALL:+VERS-TLS1.3:-GROUP-ALL:+GROUP-FFDHE2048:+GROUP-ALL",

		.desc = "(TLS1.3)-(DHE-FFDHE2048)-(RSA-PSS-RSAE-SHA256)-(AES-128-CCM)",

	},

	{

		.name = "server TLS 1.3: CHACHA20-POLY (server)",

		.cipher = GNUTLS_CIPHER_CHACHA20_POLY1305,

		.not_on_fips = 1,

		.server_prio = SPRIO":-CIPHER-ALL:+CHACHA20-POLY1305:+CIPHER-ALL:%SERVER_PRECEDENCE",

		.client_prio = CPRIO":+CHACHA20-POLY1305",

		.desc = "(TLS1.3)-(ECDHE-SECP256R1)-(RSA-PSS-RSAE-SHA256)-(CHACHA20-POLY1305)",

	},

	{

		.name = "both TLS 1.3: CHACHA20-POLY (server)",

		.cipher = GNUTLS_CIPHER_CHACHA20_POLY1305,

		.not_on_fips = 1,

		.server_prio = SPRIO":-CIPHER-ALL:+CHACHA20-POLY1305:+CIPHER-ALL:%SERVER_PRECEDENCE",

		.client_prio = CPRIO":+CHACHA20-POLY1305:+VERS-TLS1.3",

		.desc = "(TLS1.3)-(ECDHE-SECP256R1)-(RSA-PSS-RSAE-SHA256)-(CHACHA20-POLY1305)",

	},

	{

		.name = "client TLS 1.3: CHACHA20-POLY (client)",

		.cipher = GNUTLS_CIPHER_CHACHA20_POLY1305,

		.not_on_fips = 1,

		.server_prio = SPRIO":+CHACHA20-POLY1305",

		.client_prio = CPRIO":-CIPHER-ALL:+CHACHA20-POLY1305:+CIPHER-ALL",

		.desc = "(TLS1.3)-(ECDHE-SECP256R1)-(RSA-PSS-RSAE-SHA256)-(CHACHA20-POLY1305)",

	},

	{

		.name = "both TLS 1.3: CHACHA20-POLY (client)",

		.cipher = GNUTLS_CIPHER_CHACHA20_POLY1305,

		.not_on_fips = 1,

		.server_prio = SPRIO":+CHACHA20-POLY1305",

		.client_prio = CPRIO":-CIPHER-ALL:+CHACHA20-POLY1305:+CIPHER-ALL",

		.desc = "(TLS1.3)-(ECDHE-SECP256R1)-(RSA-PSS-RSAE-SHA256)-(CHACHA20-POLY1305)",

	}

};

void doit(void)

{

	unsigned i;

	global_init();

	for (i=0;i

		try(&tests[i]);

	}

	gnutls_global_deinit();

}