Date: Tue, 20 Aug 2019 14:46:12 +0000 (UTC) From: Kristof Provost <kp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r351249 - head/tests/sys/netpfil/common Message-ID: <201908201446.x7KEkC0M053397@repo.freebsd.org>
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Author: kp Date: Tue Aug 20 14:46:12 2019 New Revision: 351249 URL: https://svnweb.freebsd.org/changeset/base/351249 Log: netpfil tests: Add too many fragments test for pf, ipfw and ipf Add test for checking that the packets are dropped if it is fragmented into more than the defined value. Submitted by: Ahsan Barkati Reviewed by: kp Sponsored by: Google, Inc. (GSoC 2019) Differential Revision: https://reviews.freebsd.org/D21307 Added: head/tests/sys/netpfil/common/fragments.sh (contents, props changed) Modified: head/tests/sys/netpfil/common/Makefile Modified: head/tests/sys/netpfil/common/Makefile ============================================================================== --- head/tests/sys/netpfil/common/Makefile Tue Aug 20 14:31:22 2019 (r351248) +++ head/tests/sys/netpfil/common/Makefile Tue Aug 20 14:46:12 2019 (r351249) @@ -8,7 +8,8 @@ TESTSDIR= ${TESTSBASE}/sys/netpfil/common ATF_TESTS_SH+= \ pass_block \ nat \ - tos + tos \ + fragments ${PACKAGE}FILES+= \ utils.subr \ Added: head/tests/sys/netpfil/common/fragments.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/tests/sys/netpfil/common/fragments.sh Tue Aug 20 14:46:12 2019 (r351249) @@ -0,0 +1,80 @@ +#- +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2019 Ahsan Barkati +# +# 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. +# +# $FreeBSD$ +# + +. $(atf_get_srcdir)/utils.subr +. $(atf_get_srcdir)/runner.subr + +fragments_head() +{ + atf_set descr 'Too many fragments test' + atf_set require.user root +} + +fragments_body() +{ + firewall=$1 + firewall_init $firewall + + epair=$(vnet_mkepair) + ifconfig ${epair}b inet 192.0.2.1/24 up + + vnet_mkjail iron ${epair}a + jexec iron ifconfig ${epair}a 192.0.2.2/24 up + + ifconfig ${epair}b mtu 200 + jexec iron ifconfig ${epair}a mtu 200 + + firewall_config "iron" ${firewall} \ + "pf" \ + "scrub all fragment reassemble" \ + "ipfw" \ + "ipfw -q add 100 reass all from any to any in" \ + "ipf" \ + "pass in all with frags" + + jexec iron sysctl net.inet.ip.maxfragsperpacket=1024 + + atf_check -s exit:0 -o ignore ping -c 1 -t 1 192.0.2.2 + atf_check -s exit:0 -o ignore ping -c 1 -s 800 192.0.2.2 + + # Too many fragments should fail + atf_check -s exit:2 -o ignore ping -c 1 -s 20000 192.0.2.2 +} + +fragments_cleanup() +{ + firewall=$1 + firewall_cleanup $firewall +} + +setup_tests \ + "fragments" \ + "pf" \ + "ipfw" \ + "ipf"
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