2 # SPDX-License-Identifier: BSD-2-Clause
4 # Copyright (c) 2019 Ahsan Barkati
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 . $(atf_get_srcdir)/utils.subr
31 . $(atf_get_srcdir)/runner.subr
35 atf_set descr 'set-tos test'
36 atf_set require.user root
37 atf_set require.progs scapy
43 firewall_init $firewall
45 epair_send=$(vnet_mkepair)
46 ifconfig ${epair_send}a 192.0.2.1/24 up
48 epair_recv=$(vnet_mkepair)
49 ifconfig ${epair_recv}a up
51 vnet_mkjail iron ${epair_send}b ${epair_recv}b
52 jexec iron ifconfig ${epair_send}b 192.0.2.2/24 up
53 jexec iron ifconfig ${epair_recv}b 198.51.100.2/24 up
54 jexec iron sysctl net.inet.ip.forwarding=1
55 jexec iron arp -s 198.51.100.3 00:01:02:03:04:05
56 route add -net 198.51.100.0/24 192.0.2.2
58 # Check if the firewall is able to set the ToS bits
59 firewall_config "iron" ${firewall} \
61 "scrub out proto icmp set-tos 36" \
63 "ipfw -q add 100 setdscp 9 ip from any to any"
64 # dscp is set to 9 because last two bits are for
65 # EN and hence tos would be 36
67 atf_check -s exit:0 $(atf_get_srcdir)/pft_ping.py \
68 --sendif ${epair_send}a \
70 --recvif ${epair_recv}a \
73 # Check if the firewall is able to set the ToS bits
74 # and persists the EN bits (if already set)
75 firewall_config "iron" ${firewall} \
77 "scrub out proto icmp set-tos 36" \
79 "ipfw -q add 100 setdscp 9 ip from any to any"
81 atf_check -s exit:0 $(atf_get_srcdir)/pft_ping.py \
82 --sendif ${epair_send}a \
84 --recvif ${epair_recv}a \
88 # Check if the firewall is able to filter the
89 # packets based on the ToS value
90 firewall_config "iron" ${firewall} \
94 "ipfw -q add 100 deny all from any to any dscp 9"
96 atf_check -s exit:1 $(atf_get_srcdir)/pft_ping.py \
97 --sendif ${epair_send}a \
99 --recvif ${epair_recv}a \
102 atf_check -s exit:0 $(atf_get_srcdir)/pft_ping.py \
103 --sendif ${epair_send}a \
105 --recvif ${epair_recv}a \
112 firewall_cleanup $firewall