3 # SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 # Copyright (c) 2018 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 atf_test_case "synproxy" "cleanup"
33 atf_set descr 'Basic synproxy test'
34 atf_set require.user root
42 ifconfig ${epair}a 192.0.2.1/24 up
43 route add -net 198.51.100.0/24 192.0.2.2
47 vnet_mkjail alcatraz ${epair}b ${link}a
48 jexec alcatraz ifconfig ${epair}b 192.0.2.2/24 up
49 jexec alcatraz ifconfig ${link}a 198.51.100.1/24 up
50 jexec alcatraz sysctl net.inet.ip.forwarding=1
52 vnet_mkjail singsing ${link}b
53 jexec singsing ifconfig ${link}b 198.51.100.2/24 up
54 jexec singsing route add default 198.51.100.1
56 jexec singsing /usr/sbin/inetd -p inetd-singsing.pid $(atf_get_srcdir)/echo_inetd.conf
58 jexec alcatraz pfctl -e
59 pft_set_rules alcatraz "set fail-policy return" \
60 "scrub in all fragment reassemble" \
61 "pass out quick on ${epair}b all no state allow-opts" \
62 "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state" \
63 "pass in quick on ${epair}b all no state"
65 # Sanity check, can we ping singing
66 atf_check -s exit:0 -o ignore ping -c 1 198.51.100.2
68 # Check that we can talk to the singsing jail, after synproxying
69 reply=$(echo ping | nc -N 198.51.100.2 7)
70 if [ "${reply}" != "ping" ];
72 atf_fail "echo failed"
78 rm -f inetd-singsing.pid
82 atf_test_case "local" "cleanup"
85 atf_set descr 'Synproxy a locally terminated connection'
86 atf_set require.user root
94 ifconfig ${epair}a 192.0.2.2/24 up
96 vnet_mkjail alcatraz ${epair}b
97 jexec alcatraz ifconfig ${epair}b 192.0.2.1/24 up
98 jexec alcatraz /usr/sbin/inetd -p inetd-alcatraz.pid \
99 $(atf_get_srcdir)/echo_inetd.conf
101 jexec alcatraz pfctl -e
102 pft_set_rules alcatraz "set fail-policy return" \
103 "scrub in all fragment reassemble" \
104 "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state"
107 atf_check -s exit:0 -o ignore ping -c 1 192.0.2.1
109 # Check that we can talk to the jail, after synproxying
110 reply=$(echo ping | nc -N -w 5 192.0.2.1 7)
111 if [ "${reply}" != "ping" ];
113 atf_fail "echo failed"
119 rm -f inetd-alcatraz.pid
123 atf_test_case "local_v6" "cleanup"
126 atf_set descr 'Synproxy (v6) a locally terminated connection'
127 atf_set require.user root
134 epair=$(vnet_mkepair)
135 ifconfig ${epair}a inet6 2001:db8:42::1/64 up
137 vnet_mkjail alcatraz ${epair}b
138 jexec alcatraz ifconfig ${epair}b inet6 2001:db8:42::2/64 up
139 jexec alcatraz /usr/sbin/inetd -p inetd-alcatraz.pid \
140 $(atf_get_srcdir)/echo_inetd.conf
142 jexec alcatraz pfctl -e
143 pft_set_rules alcatraz "set fail-policy return" \
144 "scrub in all fragment reassemble" \
145 "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state"
148 atf_check -s exit:0 -o ignore ping6 -c 1 2001:db8:42::2
150 reply=$(echo ping | nc -N -w 5 2001:db8:42::2 7)
151 if [ "${reply}" != "ping" ];
153 atf_fail "echo failed"
159 rm -f inetd-alcatraz.pid
163 atf_init_test_cases()
165 atf_add_test_case "synproxy"
166 atf_add_test_case "local"
167 atf_add_test_case "local_v6"