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 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 [ "${reply}" != "ping" ]; 70 then 71 atf_fail "echo failed" 72 fi 73} 74 75synproxy_cleanup() 76{ 77 rm -f inetd-singsing.pid 78 pft_cleanup 79} 80 81atf_test_case "local" "cleanup" 82local_head() 83{ 84 atf_set descr 'Synproxy a locally terminated connection' 85 atf_set require.user root 86} 87 88local_body() 89{ 90 pft_init 91 92 epair=$(vnet_mkepair) 93 ifconfig ${epair}a 192.0.2.2/24 up 94 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 99 100 jexec alcatraz pfctl -e 101 pft_set_rules alcatraz "set fail-policy return" \ 102 "scrub in all fragment reassemble" \ 103 "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state" 104 105 # Sanity check 106 atf_check -s exit:0 -o ignore ping -c 1 192.0.2.1 107 108 # Check that we can talk to the jail, after synproxying 109 reply=$(echo ping | nc -N -w 5 192.0.2.1 7) 110 if [ "${reply}" != "ping" ]; 111 then 112 atf_fail "echo failed" 113 fi 114} 115 116local_cleanup() 117{ 118 rm -f inetd-alcatraz.pid 119 pft_cleanup 120} 121 122atf_test_case "local_v6" "cleanup" 123local_v6_head() 124{ 125 atf_set descr 'Synproxy (v6) a locally terminated connection' 126 atf_set require.user root 127} 128 129local_v6_body() 130{ 131 pft_init 132 133 epair=$(vnet_mkepair) 134 ifconfig ${epair}a inet6 2001:db8:42::1/64 up 135 136 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 140 141 jexec alcatraz pfctl -e 142 pft_set_rules alcatraz "set fail-policy return" \ 143 "scrub in all fragment reassemble" \ 144 "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state" 145 146 # Sanity check 147 atf_check -s exit:0 -o ignore ping6 -c 1 2001:db8:42::2 148 149 reply=$(echo ping | nc -N -w 5 2001:db8:42::2 7) 150 if [ "${reply}" != "ping" ]; 151 then 152 atf_fail "echo failed" 153 fi 154} 155 156local_v6_cleanup() 157{ 158 rm -f inetd-alcatraz.pid 159 pft_cleanup 160} 161 162atf_init_test_cases() 163{ 164 atf_add_test_case "synproxy" 165 atf_add_test_case "local" 166 atf_add_test_case "local_v6" 167} 168