Date: Tue, 20 Aug 2019 14:31:22 +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: r351248 - head/tests/sys/netpfil/common Message-ID: <201908201431.x7KEVM3D045075@repo.freebsd.org>
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Author: kp Date: Tue Aug 20 14:31:22 2019 New Revision: 351248 URL: https://svnweb.freebsd.org/changeset/base/351248 Log: netpfil tests: Add the set ToS test for ipfw and pf This test tests the following: - The firewall is able to set the tos bits - The firewall is able to set the DSCP bits when EN bits is already set and the EN bits remains unchanged. - The firewall is able to drop the packets based on ToS value Submitted by: Ahsan Barkati Reviewed by: kp Sponsored by: Google, Inc. (GSoC 2019) Differential Revision: https://reviews.freebsd.org/D21305 Added: head/tests/sys/netpfil/common/tos.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 05:36:41 2019 (r351247) +++ head/tests/sys/netpfil/common/Makefile Tue Aug 20 14:31:22 2019 (r351248) @@ -7,7 +7,8 @@ TESTSDIR= ${TESTSBASE}/sys/netpfil/common ATF_TESTS_SH+= \ pass_block \ - nat + nat \ + tos ${PACKAGE}FILES+= \ utils.subr \ Added: head/tests/sys/netpfil/common/tos.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/tests/sys/netpfil/common/tos.sh Tue Aug 20 14:31:22 2019 (r351248) @@ -0,0 +1,118 @@ +#- +# 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 + +tos_head() +{ + atf_set descr 'set-tos test' + atf_set require.user root + atf_set require.progs scapy +} + +tos_body() +{ + firewall=$1 + firewall_init $firewall + + epair_send=$(vnet_mkepair) + ifconfig ${epair_send}a 192.0.2.1/24 up + + epair_recv=$(vnet_mkepair) + ifconfig ${epair_recv}a up + + vnet_mkjail iron ${epair_send}b ${epair_recv}b + jexec iron ifconfig ${epair_send}b 192.0.2.2/24 up + jexec iron ifconfig ${epair_recv}b 198.51.100.2/24 up + jexec iron sysctl net.inet.ip.forwarding=1 + jexec iron arp -s 198.51.100.3 00:01:02:03:04:05 + route add -net 198.51.100.0/24 192.0.2.2 + + # Check if the firewall is able to set the ToS bits + firewall_config "iron" ${firewall} \ + "pf" \ + "scrub out proto icmp set-tos 36" \ + "ipfw" \ + "ipfw -q add 100 setdscp 9 ip from any to any" + # dscp is set to 9 because last two bits are for + # EN and hence tos would be 36 + + atf_check -s exit:0 $(atf_get_srcdir)/pft_ping.py \ + --sendif ${epair_send}a \ + --to 198.51.100.3 \ + --recvif ${epair_recv}a \ + --expect-tos 36 + + # Check if the firewall is able to set the ToS bits + # and persists the EN bits (if already set) + firewall_config "iron" ${firewall} \ + "pf" \ + "scrub out proto icmp set-tos 36" \ + "ipfw" \ + "ipfw -q add 100 setdscp 9 ip from any to any" + + atf_check -s exit:0 $(atf_get_srcdir)/pft_ping.py \ + --sendif ${epair_send}a \ + --to 198.51.100.3 \ + --recvif ${epair_recv}a \ + --send-tos 3 \ + --expect-tos 39 + + # Check if the firewall is able to filter the + # packets based on the ToS value + firewall_config "iron" ${firewall} \ + "pf" \ + "block all tos 36" \ + "ipfw" \ + "ipfw -q add 100 deny all from any to any dscp 9" + + atf_check -s exit:1 $(atf_get_srcdir)/pft_ping.py \ + --sendif ${epair_send}a \ + --to 198.51.100.3 \ + --recvif ${epair_recv}a \ + --send-tos 36 + + atf_check -s exit:0 $(atf_get_srcdir)/pft_ping.py \ + --sendif ${epair_send}a \ + --to 198.51.100.3 \ + --recvif ${epair_recv}a \ + --send-tos 32 +} + +tos_cleanup() +{ + firewall=$1 + firewall_cleanup $firewall +} + +setup_tests \ + "tos" \ + "pf" \ + "ipfw"
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