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ping: Add tests of the Internet checksum function

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Submitted by:	Ján Sučan <sucanjan@gmail.com>
MFC after:	2 weeks
Sponsored by:	Google LLC (Google Summer of Code 2019)
Differential Revision:	https://reviews.freebsd.org/D21340
This commit is contained in:
Alan Somers 2019-08-20 21:59:48 +00:00
parent 35284c22e9
commit c43633c6a1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=351318
4 changed files with 159 additions and 0 deletions
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2
etc/mtree/BSD.tests.dist
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@ -440,6 +440,8 @@
files
..
..
ping
..
..
secure
lib

3
sbin/ping/Makefile
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@ -23,4 +23,7 @@ CFLAGS+=-DWITH_CASPER
CFLAGS+=-DIPSEC
LIBADD+= ipsec
HAS_TESTS=
SUBDIR.${MK_TESTS}+= tests
.include <bsd.prog.mk>

8
sbin/ping/tests/Makefile Normal file
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@ -0,0 +1,8 @@
# $FreeBSD$
WARNS?= 6
ATF_TESTS_C+= in_cksum_test
SRCS.in_cksum_test= in_cksum_test.c ../utils.c
.include <bsd.test.mk>

146
sbin/ping/tests/in_cksum_test.c Normal file
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@ -0,0 +1,146 @@
/*-
* 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());
}