2 # SPDX-License-Identifier: BSD-2-Clause
4 # Copyright (c) 2018 Kristof Provost <kp@FreeBSD.org>
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
27 . $(atf_get_srcdir)/utils.subr
29 atf_test_case "synproxy" "cleanup"
32 atf_set descr 'Basic synproxy test'
33 atf_set require.user root
41 ifconfig ${epair}a 192.0.2.1/24 up
42 route add -net 198.51.100.0/24 192.0.2.2
46 vnet_mkjail alcatraz ${epair}b ${link}a
47 jexec alcatraz ifconfig ${epair}b 192.0.2.2/24 up
48 jexec alcatraz ifconfig ${link}a 198.51.100.1/24 up
49 jexec alcatraz sysctl net.inet.ip.forwarding=1
51 vnet_mkjail singsing ${link}b
52 jexec singsing ifconfig ${link}b 198.51.100.2/24 up
53 jexec singsing route add default 198.51.100.1
55 jexec singsing /usr/sbin/inetd -p inetd-singsing.pid $(atf_get_srcdir)/echo_inetd.conf
57 jexec alcatraz pfctl -e
58 pft_set_rules alcatraz "set fail-policy return" \
59 "scrub in all fragment reassemble" \
60 "pass out quick on ${epair}b all no state allow-opts" \
61 "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state" \
62 "pass in quick on ${epair}b all no state"
64 # Sanity check, can we ping singing
65 atf_check -s exit:0 -o ignore ping -c 1 198.51.100.2
67 # Check that we can talk to the singsing jail, after synproxying
68 reply=$(echo ping | nc -N 198.51.100.2 7)
69 if [ "${reply}" != "ping" ];
71 atf_fail "echo failed"
77 rm -f inetd-singsing.pid
81 atf_test_case "local" "cleanup"
84 atf_set descr 'Synproxy a locally terminated connection'
85 atf_set require.user root
93 ifconfig ${epair}a 192.0.2.2/24 up
95 vnet_mkjail alcatraz ${epair}b
96 jexec alcatraz ifconfig ${epair}b 192.0.2.1/24 up
97 jexec alcatraz /usr/sbin/inetd -p inetd-alcatraz.pid \
98 $(atf_get_srcdir)/echo_inetd.conf
100 jexec alcatraz pfctl -e
101 pft_set_rules alcatraz "set fail-policy return" \
102 "scrub in all fragment reassemble" \
103 "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state"
106 atf_check -s exit:0 -o ignore ping -c 1 192.0.2.1
108 # Check that we can talk to the jail, after synproxying
109 reply=$(echo ping | nc -N -w 5 192.0.2.1 7)
110 if [ "${reply}" != "ping" ];
112 atf_fail "echo failed"
118 rm -f inetd-alcatraz.pid
122 atf_test_case "local_v6" "cleanup"
125 atf_set descr 'Synproxy (v6) a locally terminated connection'
126 atf_set require.user root
133 epair=$(vnet_mkepair)
134 ifconfig ${epair}a inet6 2001:db8:42::1/64 up
136 vnet_mkjail alcatraz ${epair}b
137 jexec alcatraz ifconfig ${epair}b inet6 2001:db8:42::2/64 up
138 jexec alcatraz /usr/sbin/inetd -p inetd-alcatraz.pid \
139 $(atf_get_srcdir)/echo_inetd.conf
141 jexec alcatraz pfctl -e
142 pft_set_rules alcatraz "set fail-policy return" \
143 "scrub in all fragment reassemble" \
144 "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state"
147 atf_check -s exit:0 -o ignore ping6 -c 1 2001:db8:42::2
149 reply=$(echo ping | nc -N -w 5 2001:db8:42::2 7)
150 if [ "${reply}" != "ping" ];
152 atf_fail "echo failed"
158 rm -f inetd-alcatraz.pid
162 atf_init_test_cases()
164 atf_add_test_case "synproxy"
165 atf_add_test_case "local"
166 atf_add_test_case "local_v6"