1# $FreeBSD$ 2# 3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4# 5# Copyright (c) 2018 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. $(atf_get_srcdir)/utils.subr 29 30atf_test_case "synproxy" "cleanup" 31synproxy_head() 32{ 33 atf_set descr 'Basic synproxy test' 34 atf_set require.user root 35} 36 37synproxy_body() 38{ 39 pft_init 40 41 epair=$(vnet_mkepair) 42 ifconfig ${epair}a 192.0.2.1/24 up 43 route add -net 198.51.100.0/24 192.0.2.2 44 45 link=$(vnet_mkepair) 46 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 51 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 55 56 jexec singsing /usr/sbin/inetd -p inetd-singsing.pid $(atf_get_srcdir)/echo_inetd.conf 57 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 ${epair}b all no state" 64 65 # Sanity check, can we ping singing 66 atf_check -s exit:0 -o ignore ping -c 1 198.51.100.2 67 68 # Check that we can talk to the singsing jail, after synproxying 69 reply=$(echo ping | nc -N 198.51.100.2 7) 70 if [ "${reply}" != "ping" ]; 71 then 72 atf_fail "echo failed" 73 fi 74} 75 76synproxy_cleanup() 77{ 78 rm -f inetd-singsing.pid 79 pft_cleanup 80} 81 82atf_test_case "local" "cleanup" 83local_head() 84{ 85 atf_set descr 'Synproxy a locally terminated connection' 86 atf_set require.user root 87} 88 89local_body() 90{ 91 pft_init 92 93 epair=$(vnet_mkepair) 94 ifconfig ${epair}a 192.0.2.2/24 up 95 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 100 101 jexec alcatraz pfctl -e 102 pft_set_rules alcatraz "set fail-policy return" \ 103 "scrub in all fragment reassemble" \ 104 "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state" 105 106 # Sanity check 107 atf_check -s exit:0 -o ignore ping -c 1 192.0.2.1 108 109 # Check that we can talk to the jail, after synproxying 110 reply=$(echo ping | nc -N -w 5 192.0.2.1 7) 111 if [ "${reply}" != "ping" ]; 112 then 113 atf_fail "echo failed" 114 fi 115} 116 117local_cleanup() 118{ 119 rm -f inetd-alcatraz.pid 120 pft_cleanup 121} 122 123atf_test_case "local_v6" "cleanup" 124local_v6_head() 125{ 126 atf_set descr 'Synproxy (v6) a locally terminated connection' 127 atf_set require.user root 128} 129 130local_v6_body() 131{ 132 pft_init 133 134 epair=$(vnet_mkepair) 135 ifconfig ${epair}a inet6 2001:db8:42::1/64 up 136 137 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 141 142 jexec alcatraz pfctl -e 143 pft_set_rules alcatraz "set fail-policy return" \ 144 "scrub in all fragment reassemble" \ 145 "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state" 146 147 # Sanity check 148 atf_check -s exit:0 -o ignore ping6 -c 1 2001:db8:42::2 149 150 reply=$(echo ping | nc -N -w 5 2001:db8:42::2 7) 151 if [ "${reply}" != "ping" ]; 152 then 153 atf_fail "echo failed" 154 fi 155} 156 157local_v6_cleanup() 158{ 159 rm -f inetd-alcatraz.pid 160 pft_cleanup 161} 162 163atf_init_test_cases() 164{ 165 atf_add_test_case "synproxy" 166 atf_add_test_case "local" 167 atf_add_test_case "local_v6" 168} 169