1# 2# SPDX-License-Identifier: BSD-2-Clause 3# 4# Copyright (c) 2018 Kristof Provost <kp@FreeBSD.org> 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 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. 14# 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 25# SUCH DAMAGE. 26 27. $(atf_get_srcdir)/utils.subr 28 29atf_test_case "synproxy" "cleanup" 30synproxy_head() 31{ 32 atf_set descr 'Basic synproxy test' 33 atf_set require.user root 34} 35 36synproxy_body() 37{ 38 pft_init 39 40 epair=$(vnet_mkepair) 41 ifconfig ${epair}a 192.0.2.1/24 up 42 route add -net 198.51.100.0/24 192.0.2.2 43 44 link=$(vnet_mkepair) 45 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 50 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 54 55 jexec singsing /usr/sbin/inetd -p ${PWD}/inetd-singsing.pid $(atf_get_srcdir)/echo_inetd.conf 56 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 ${epair}b all no state" 63 64 # Sanity check, can we ping singing 65 atf_check -s exit:0 -o ignore ping -c 1 198.51.100.2 66 67 # Check that we can talk to the singsing jail, after synproxying 68 reply=$(echo ping | nc -N 198.51.100.2 7) 69 if [ "${reply}" != "ping" ]; 70 then 71 atf_fail "echo failed" 72 fi 73} 74 75synproxy_cleanup() 76{ 77 pft_cleanup 78} 79 80atf_test_case "local" "cleanup" 81local_head() 82{ 83 atf_set descr 'Synproxy a locally terminated connection' 84 atf_set require.user root 85} 86 87local_body() 88{ 89 pft_init 90 91 epair=$(vnet_mkepair) 92 ifconfig ${epair}a 192.0.2.2/24 up 93 94 vnet_mkjail alcatraz ${epair}b 95 jexec alcatraz ifconfig ${epair}b 192.0.2.1/24 up 96 jexec alcatraz /usr/sbin/inetd -p ${PWD}/inetd-alcatraz.pid \ 97 $(atf_get_srcdir)/echo_inetd.conf 98 99 jexec alcatraz pfctl -e 100 pft_set_rules alcatraz "set fail-policy return" \ 101 "scrub in all fragment reassemble" \ 102 "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state" 103 104 # Sanity check 105 atf_check -s exit:0 -o ignore ping -c 1 192.0.2.1 106 107 # Check that we can talk to the jail, after synproxying 108 reply=$(echo ping | nc -N -w 5 192.0.2.1 7) 109 if [ "${reply}" != "ping" ]; 110 then 111 atf_fail "echo failed" 112 fi 113} 114 115local_cleanup() 116{ 117 pft_cleanup 118} 119 120atf_test_case "local_v6" "cleanup" 121local_v6_head() 122{ 123 atf_set descr 'Synproxy (v6) a locally terminated connection' 124 atf_set require.user root 125} 126 127local_v6_body() 128{ 129 pft_init 130 131 epair=$(vnet_mkepair) 132 ifconfig ${epair}a inet6 2001:db8:42::1/64 up 133 134 vnet_mkjail alcatraz ${epair}b 135 jexec alcatraz ifconfig ${epair}b inet6 2001:db8:42::2/64 up 136 jexec alcatraz /usr/sbin/inetd -p ${PWD}/inetd-alcatraz.pid \ 137 $(atf_get_srcdir)/echo_inetd.conf 138 139 jexec alcatraz pfctl -e 140 pft_set_rules alcatraz "set fail-policy return" \ 141 "scrub in all fragment reassemble" \ 142 "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state" 143 144 # Sanity check 145 atf_check -s exit:0 -o ignore ping6 -c 1 2001:db8:42::2 146 147 reply=$(echo ping | nc -N -w 5 2001:db8:42::2 7) 148 if [ "${reply}" != "ping" ]; 149 then 150 atf_fail "echo failed" 151 fi 152} 153 154local_v6_cleanup() 155{ 156 pft_cleanup 157} 158 159atf_init_test_cases() 160{ 161 atf_add_test_case "synproxy" 162 atf_add_test_case "local" 163 atf_add_test_case "local_v6" 164} 165