1# $FreeBSD$ 2# 3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4# 5# Copyright (c) 2017 Kristof Provost <kp@FreeBSD.org> 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27 28. $(atf_get_srcdir)/utils.subr 29 30common_dir=$(atf_get_srcdir)/../common 31 32atf_test_case "v4" "cleanup" 33v4_head() 34{ 35 atf_set descr 'set-tos test' 36 atf_set require.user root 37 38 # We need scapy to be installed for out test scripts to work 39 atf_set require.progs scapy 40} 41 42v4_body() 43{ 44 pft_init 45 46 epair_send=$(vnet_mkepair) 47 ifconfig ${epair_send}a 192.0.2.1/24 up 48 49 epair_recv=$(vnet_mkepair) 50 ifconfig ${epair_recv}a up 51 52 vnet_mkjail alcatraz ${epair_send}b ${epair_recv}b 53 jexec alcatraz ifconfig ${epair_send}b 192.0.2.2/24 up 54 jexec alcatraz ifconfig ${epair_recv}b 198.51.100.2/24 up 55 jexec alcatraz sysctl net.inet.ip.forwarding=1 56 jexec alcatraz arp -s 198.51.100.3 00:01:02:03:04:05 57 route add -net 198.51.100.0/24 192.0.2.2 58 59 jexec alcatraz pfctl -e 60 61 # No change is done if not requested 62 pft_set_rules alcatraz "scrub out proto icmp" 63 atf_check -s exit:1 -o ignore ${common_dir}/pft_ping.py \ 64 --sendif ${epair_send}a \ 65 --to 198.51.100.3 \ 66 --recvif ${epair_recv}a \ 67 --expect-tos 42 68 69 # The requested ToS is set 70 pft_set_rules alcatraz "scrub out proto icmp set-tos 42" 71 atf_check -s exit:0 ${common_dir}/pft_ping.py \ 72 --sendif ${epair_send}a \ 73 --to 198.51.100.3 \ 74 --recvif ${epair_recv}a \ 75 --expect-tos 42 76 77 # ToS is not changed if the scrub rule does not match 78 pft_set_rules alcatraz "scrub out proto tcp set-tos 42" 79 atf_check -s exit:1 -o ignore ${common_dir}/pft_ping.py \ 80 --sendif ${epair_send}a \ 81 --to 198.51.100.3 \ 82 --recvif ${epair_recv}a \ 83 --expect-tos 42 84 85 # Multiple scrub rules match as expected 86 pft_set_rules alcatraz "scrub out proto tcp set-tos 13" \ 87 "scrub out proto icmp set-tos 14" 88 atf_check -s exit:0 ${common_dir}/pft_ping.py \ 89 --sendif ${epair_send}a \ 90 --to 198.51.100.3 \ 91 --recvif ${epair_recv}a \ 92 --expect-tos 14 93 94 # And this works even if the packet already has ToS values set 95 atf_check -s exit:0 ${common_dir}/pft_ping.py \ 96 --sendif ${epair_send}a \ 97 --to 198.51.100.3 \ 98 --recvif ${epair_recv}a \ 99 --send-tos 42 \ 100 --expect-tos 14 101 102 # ToS values are unmolested if the packets do not match a scrub rule 103 pft_set_rules alcatraz "scrub out proto tcp set-tos 13" 104 atf_check -s exit:0 ${common_dir}/pft_ping.py \ 105 --sendif ${epair_send}a \ 106 --to 198.51.100.3 \ 107 --recvif ${epair_recv}a \ 108 --send-tos 42 \ 109 --expect-tos 42 110} 111 112v4_cleanup() 113{ 114 pft_cleanup 115} 116 117atf_init_test_cases() 118{ 119 atf_add_test_case "v4" 120} 121