3 # SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 # Copyright (c) 2017 Kristof Provost <kp@FreeBSD.org>
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
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.
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
28 . $(atf_get_srcdir)/utils.subr
30 common_dir=$(atf_get_srcdir)/../common
32 atf_test_case "v4" "cleanup"
35 atf_set descr 'set-tos test'
36 atf_set require.user root
38 # We need scapy to be installed for out test scripts to work
39 atf_set require.progs scapy
46 epair_send=$(vnet_mkepair)
47 ifconfig ${epair_send}a 192.0.2.1/24 up
49 epair_recv=$(vnet_mkepair)
50 ifconfig ${epair_recv}a up
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
59 jexec alcatraz pfctl -e
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 \
66 --recvif ${epair_recv}a \
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 \
74 --recvif ${epair_recv}a \
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 \
82 --recvif ${epair_recv}a \
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 \
91 --recvif ${epair_recv}a \
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 \
98 --recvif ${epair_recv}a \
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 \
107 --recvif ${epair_recv}a \
117 atf_init_test_cases()
119 atf_add_test_case "v4"