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_init_test_cases() 83{ 84 atf_add_test_case "synproxy" 85} 86