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path: root/src/libstrongswan/tests/suites/test_auth_cfg.c
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/*
 * Copyright (C) 2016 Tobias Brunner
 * Hochschule fuer Technik Rapperswil
 *
 * This program 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 2 of the License, or (at your
 * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
 *
 * 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.
 */

#include "test_suite.h"

#include <credentials/auth_cfg.h>

struct {
	char *constraints;
	signature_scheme_t sig[5];
	signature_scheme_t ike[5];
} sig_constraints_tests[] = {
	{ "rsa-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }, {0}},
	{ "rsa-sha256-sha512", { SIGN_RSA_EMSA_PKCS1_SHA2_256, SIGN_RSA_EMSA_PKCS1_SHA2_512, 0 }, {0}},
	{ "ecdsa-sha256", { SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, 0 }, {0}},
	{ "rsa-sha256-ecdsa-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, 0 }, {0}},
	{ "pubkey-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, SIGN_BLISS_WITH_SHA2_256, 0 }, {0}},
	{ "ike:rsa-sha256", {0}, { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }},
	{ "ike:rsa-sha256-rsa-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }, { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }},
	{ "rsa-sha256-ike:rsa-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }, { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }},
	{ "ike:pubkey-sha256", {0}, { SIGN_RSA_EMSA_PKCS1_SHA2_256, SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, SIGN_BLISS_WITH_SHA2_256, 0 }},
	{ "rsa-ecdsa-sha256", { SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, 0 }, {0}},
	{ "rsa-4096-ecdsa-sha256", { SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, 0 }, {0}},
	{ "rsa-4096-ecdsa-256-sha256", { SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, 0 }, {0}},
	{ "rsa-ecdsa256-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }, {0}},
	{ "rsa4096-sha256", {0}, {0}},
	{ "sha256", {0}, {0}},
	{ "ike:sha256", {0}, {0}},
};

static void check_sig_constraints(auth_cfg_t *cfg, auth_rule_t type,
								  signature_scheme_t expected[])
{
	enumerator_t *enumerator;
	auth_rule_t t;
	void *value;
	int i = 0;

	enumerator = cfg->create_enumerator(cfg);
	while (enumerator->enumerate(enumerator, &t, &value))
	{
		if (t == type)
		{
			ck_assert(expected[i]);
			ck_assert_int_eq(expected[i], (signature_scheme_t)value);
			i++;
		}
	}
	enumerator->destroy(enumerator);
	ck_assert(!expected[i]);
}

START_TEST(test_sig_contraints)
{
	auth_cfg_t *cfg;
	signature_scheme_t none[] = {0};

	cfg = auth_cfg_create();
	cfg->add_pubkey_constraints(cfg, sig_constraints_tests[_i].constraints, FALSE);
	check_sig_constraints(cfg, AUTH_RULE_SIGNATURE_SCHEME, sig_constraints_tests[_i].sig);
	check_sig_constraints(cfg, AUTH_RULE_IKE_SIGNATURE_SCHEME, none);
	cfg->destroy(cfg);

	lib->settings->set_bool(lib->settings, "%s.signature_authentication_constraints",
							FALSE, lib->ns);

	cfg = auth_cfg_create();
	cfg->add_pubkey_constraints(cfg, sig_constraints_tests[_i].constraints, TRUE);
	check_sig_constraints(cfg, AUTH_RULE_SIGNATURE_SCHEME, sig_constraints_tests[_i].sig);
	check_sig_constraints(cfg, AUTH_RULE_IKE_SIGNATURE_SCHEME, sig_constraints_tests[_i].ike);
	cfg->destroy(cfg);
}
END_TEST

START_TEST(test_ike_contraints_fallback)
{
	auth_cfg_t *cfg;

	lib->settings->set_bool(lib->settings, "%s.signature_authentication_constraints",
							TRUE, lib->ns);

	cfg = auth_cfg_create();
	cfg->add_pubkey_constraints(cfg, sig_constraints_tests[_i].constraints, TRUE);
	check_sig_constraints(cfg, AUTH_RULE_SIGNATURE_SCHEME, sig_constraints_tests[_i].sig);
	if (sig_constraints_tests[_i].ike[0])
	{
		check_sig_constraints(cfg, AUTH_RULE_IKE_SIGNATURE_SCHEME, sig_constraints_tests[_i].ike);
	}
	else
	{
		check_sig_constraints(cfg, AUTH_RULE_IKE_SIGNATURE_SCHEME, sig_constraints_tests[_i].sig);
	}
	cfg->destroy(cfg);
}
END_TEST

Suite *auth_cfg_suite_create()
{
	Suite *s;
	TCase *tc;

	s = suite_create("auth_cfg");

	tc = tcase_create("add_pubkey_constraints");
	tcase_add_loop_test(tc, test_sig_contraints, 0, countof(sig_constraints_tests));
	tcase_add_loop_test(tc, test_ike_contraints_fallback, 0, countof(sig_constraints_tests));
	suite_add_tcase(s, tc);

	return s;
}