/*

 * Copyright (C) 2016, 2017 Red Hat, Inc.

 *

 * Authors: 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 General Public License

 * along with GnuTLS; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA

 */

#include <config.h>

#include <stdarg.h>

#include <stddef.h>

#include <setjmp.h>

#include <limits.h>

#include <stdint.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <gnutls/gnutls.h>

#include <cmocka.h>

# define GLOBAL_FLAGS 0

#define MATCH_FUNC(fname, str, normalized) \

static void fname(void **glob_state) \

{ \

	gnutls_datum_t out; \

	int ret = gnutls_idna_map(str, strlen(str), &out, GLOBAL_FLAGS); \

	if (normalized == NULL) { /* expect failure */ \

		assert_int_not_equal(ret, 0); \

		return; \

	} else { \

		assert_int_equal(ret, 0); \

	} \

	assert_int_equal(strcmp((char*)out.data, (char*)normalized), 0); \

	gnutls_free(out.data); \

}

#define MATCH_FUNC_TWO_WAY(fname, str, normalized) \

static void fname##_reverse(void **glob_state) \

{ \

	gnutls_datum_t out; \

	int ret; \

	if (normalized == NULL) \

		return; \

	ret = gnutls_idna_reverse_map(normalized, strlen(normalized), &out, 0); \

	assert_int_equal(ret, 0); \

	\

	assert_int_equal(strcmp((char*)out.data, (char*)str), 0); \

	gnutls_free(out.data); \

} \

MATCH_FUNC(fname, str, normalized)

#define EMPTY_FUNC(name) static void name(void **glob_state) { \

	return; }

/* some vectors taken from:

 * http://www.unicode.org/Public/idna/9.0.0/IdnaTest.txt

 */

MATCH_FUNC_TWO_WAY(test_ascii, "localhost", "localhost");

MATCH_FUNC_TWO_WAY(test_ascii_caps, "LOCALHOST", "LOCALHOST");

MATCH_FUNC_TWO_WAY(test_greek1, "βόλοσ.com", "xn--nxasmq6b.com");

MATCH_FUNC_TWO_WAY(test_mix, "简体中文.εξτρα.com", "xn--fiqu1az03c18t.xn--mxah1amo.com");

MATCH_FUNC_TWO_WAY(test_german4, "bücher.de", "xn--bcher-kva.de");

MATCH_FUNC_TWO_WAY(test_u1, "夡夞夜夙", "xn--bssffl");

MATCH_FUNC_TWO_WAY(test_jp2, "日本語.jp", "xn--wgv71a119e.jp");

/* invalid (✌️) symbol in IDNA2008 but valid in IDNA2003. Browsers

 * fallback to IDNA2003, and we do too, so that should work */

#if IDN2_VERSION_NUMBER >= 0x02000002

MATCH_FUNC_TWO_WAY(test_valid_idna2003, "\xe2\x9c\x8c\xef\xb8\x8f.com", "xn--7bi.com");

#else

EMPTY_FUNC(test_valid_idna2003);

#endif

MATCH_FUNC_TWO_WAY(test_greek2, "βόλος.com", "xn--nxasmm1c.com");

MATCH_FUNC_TWO_WAY(test_german1, "faß.de", "xn--fa-hia.de");

# if IDN2_VERSION_NUMBER >= 0x00140000

MATCH_FUNC(test_caps_greek, "ΒΌΛΟΣ.com", "xn--nxasmq6b.com");

MATCH_FUNC(test_caps_german1, "Ü.ü", "xn--tda.xn--tda");

MATCH_FUNC(test_caps_german2, "Bücher.de", "xn--bcher-kva.de");

MATCH_FUNC(test_caps_german3, "Faß.de", "xn--fa-hia.de");

MATCH_FUNC(test_dots, "a.b.c。d。", "a.b.c.d.");

# else

EMPTY_FUNC(test_caps_german1);

EMPTY_FUNC(test_caps_german2);

EMPTY_FUNC(test_caps_german3);

EMPTY_FUNC(test_caps_greek);

EMPTY_FUNC(test_dots);

# endif

int main(void)

{

	gnutls_datum_t tmp;

	int ret;

	const struct CMUnitTest tests[] = {

		cmocka_unit_test(test_greek2_reverse),

		cmocka_unit_test(test_german1_reverse),

		cmocka_unit_test(test_ascii),

		cmocka_unit_test(test_ascii_reverse),

		cmocka_unit_test(test_ascii_caps),

		cmocka_unit_test(test_ascii_caps_reverse),

		cmocka_unit_test(test_greek1),

		cmocka_unit_test(test_greek1_reverse),

		cmocka_unit_test(test_greek2),

		cmocka_unit_test(test_caps_greek),

		cmocka_unit_test(test_mix),

		cmocka_unit_test(test_mix_reverse),

		cmocka_unit_test(test_german1),

		cmocka_unit_test(test_caps_german1),

		cmocka_unit_test(test_caps_german2),

		cmocka_unit_test(test_caps_german3),

		cmocka_unit_test(test_german4),

		cmocka_unit_test(test_german4_reverse),

		cmocka_unit_test(test_u1),

		cmocka_unit_test(test_u1_reverse),

		cmocka_unit_test(test_jp2),

		cmocka_unit_test(test_jp2_reverse),

		cmocka_unit_test(test_dots),

		cmocka_unit_test(test_valid_idna2003)

	};

	ret = gnutls_idna_map("β", strlen("β"), &tmp, GLOBAL_FLAGS);

	if (ret == GNUTLS_E_UNIMPLEMENTED_FEATURE)

		exit(77);

	else if (ret < 0) {

		fprintf(stderr, "error: %s\n", gnutls_strerror(ret));

		exit(1);

	}

	gnutls_free(tmp.data);

	return cmocka_run_group_tests(tests, NULL, NULL);

}