Differential D21340 Diff 61068 head/sbin/ping/tests/in_cksum_test.c

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head/sbin/ping/tests/in_cksum_test.c

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				/*-
				* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
				*
				* Copyright (C) 2019 Jan Sucan <jansucan@FreeBSD.org>
				* All rights reserved.
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
				* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
				* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
				* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
				* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
				* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
				* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
				* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
				* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
				* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
				* SUCH DAMAGE.
				*/

				#include <sys/cdefs.h>
				__FBSDID("$FreeBSD$");

				#include <sys/param.h>

				#include <atf-c.h>

				#include "../utils.h"

				/*
				* Test cases.
				*/

				ATF_TC_WITHOUT_HEAD(aligned_even_length_big_endian);
				ATF_TC_BODY(aligned_even_length_big_endian, tc)
				{
				u_char data[] __aligned(sizeof(u_short)) =
				{0x12, 0x34, 0x56, 0x78};
				u_short sum;

				sum = in_cksum(data, nitems(data));
				ATF_REQUIRE(sum == 0x5397);
				}

				ATF_TC_WITHOUT_HEAD(aligned_odd_length_big_endian);
				ATF_TC_BODY(aligned_odd_length_big_endian, tc)
				{
				u_char data[] __aligned(sizeof(u_short)) =
				{0x12, 0x34, 0x56, 0x78, 0x9a};
				u_short sum;

				sum = in_cksum(data, nitems(data));
				ATF_REQUIRE(sum == 0x52fd);
				}

				ATF_TC_WITHOUT_HEAD(aligned_even_length_little_endian);
				ATF_TC_BODY(aligned_even_length_little_endian, tc)
				{
				u_char data[] __aligned(sizeof(u_short)) =
				{0x34, 0x12, 0x78, 0x56};
				u_short sum;

				sum = in_cksum(data, nitems(data));
				ATF_REQUIRE_MSG(sum == 0x9753, "%d", sum);
				}

				ATF_TC_WITHOUT_HEAD(aligned_odd_length_little_endian);
				ATF_TC_BODY(aligned_odd_length_little_endian, tc)
				{
				u_char data[] __aligned(sizeof(u_short)) =
				{0x34, 0x12, 0x78, 0x56, 0x00, 0x9a};
				u_short sum;

				sum = in_cksum(data, nitems(data));
				ATF_REQUIRE(sum == 0xfd52);
				}

				ATF_TC_WITHOUT_HEAD(unaligned_even_length_big_endian);
				ATF_TC_BODY(unaligned_even_length_big_endian, tc)
				{
				u_char data[] __aligned(sizeof(u_short)) =
				{0x00, 0x12, 0x34, 0x56, 0x78};
				u_short sum;

				sum = in_cksum(data + 1, nitems(data) - 1);
				ATF_REQUIRE(sum == 0x5397);
				}

				ATF_TC_WITHOUT_HEAD(unaligned_odd_length_big_endian);
				ATF_TC_BODY(unaligned_odd_length_big_endian, tc)
				{
				u_char data[] __aligned(sizeof(u_short)) =
				{0x00, 0x12, 0x34, 0x56, 0x78, 0x9a};
				u_short sum;

				sum = in_cksum(data + 1, nitems(data) - 1);
				ATF_REQUIRE(sum == 0x52fd);
				}

				ATF_TC_WITHOUT_HEAD(unaligned_even_length_little_endian);
				ATF_TC_BODY(unaligned_even_length_little_endian, tc)
				{
				u_char data[] __aligned(sizeof(u_short)) =
				{0x00, 0x34, 0x12, 0x78, 0x56};
				u_short sum;

				sum = in_cksum(data + 1, nitems(data) - 1);
				ATF_REQUIRE_MSG(sum == 0x9753, "%d", sum);
				}

				ATF_TC_WITHOUT_HEAD(unaligned_odd_length_little_endian);
				ATF_TC_BODY(unaligned_odd_length_little_endian, tc)
				{
				u_char data[] __aligned(sizeof(u_short)) =
				{0x00, 0x34, 0x12, 0x78, 0x56, 0x00, 0x9a};
				u_short sum;

				sum = in_cksum(data + 1, nitems(data) - 1);
				ATF_REQUIRE(sum == 0xfd52);
				}

				/*
				* Main.
				*/

				ATF_TP_ADD_TCS(tp)
				{
				ATF_TP_ADD_TC(tp, aligned_even_length_big_endian);
				ATF_TP_ADD_TC(tp, aligned_odd_length_big_endian);
				ATF_TP_ADD_TC(tp, aligned_even_length_little_endian);
				ATF_TP_ADD_TC(tp, aligned_odd_length_little_endian);
				ATF_TP_ADD_TC(tp, unaligned_even_length_big_endian);
				ATF_TP_ADD_TC(tp, unaligned_odd_length_big_endian);
				ATF_TP_ADD_TC(tp, unaligned_even_length_little_endian);
				ATF_TP_ADD_TC(tp, unaligned_odd_length_little_endian);

				return (atf_no_error());
				}