1# $FreeBSD$ 2# 3# SPDX-License-Identifier: BSD-2-Clause 4# 5# Copyright (c) 2021 Rubicon Communications, LLC (Netgate) 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. $(atf_get_srcdir)/utils.subr 29 30atf_test_case "basic" "cleanup" 31basic_head() 32{ 33 atf_set descr 'Test ridentifier keyword' 34 atf_set require.user root 35} 36 37basic_body() 38{ 39 pft_init 40 pflog_init 41 42 epair=$(vnet_mkepair) 43 44 ifconfig ${epair}a 192.0.2.1/24 up 45 46 vnet_mkjail alcatraz ${epair}b 47 jexec alcatraz ifconfig lo0 up 48 jexec alcatraz ifconfig ${epair}b 192.0.2.2/24 up 49 jexec alcatraz /usr/sbin/inetd -p inetd-alcatraz.pid $(atf_get_srcdir)/echo_inetd.conf 50 51 # Sanity check 52 atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2 53 54 jexec alcatraz pfctl -e 55 jexec alcatraz ifconfig pflog0 up 56 pft_set_rules alcatraz \ 57 "pass in log" \ 58 "pass in log proto tcp ridentifier 1234" 59 60 jexec alcatraz tcpdump --immediate-mode -n -e -i pflog0 > tcpdump.log & 61 sleep 1 62 63 echo "test" | nc -N 192.0.2.2 7 64 atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2 65 66 sleep 1 67 jexec alcatraz killall tcpdump 68 69 # Make sure we spotted the ridentifier 70 atf_check -s exit:0 -o ignore \ 71 grep 'rule 1/0.*ridentifier 1234' tcpdump.log 72 # But not on the !TCP traffic 73 atf_check -s exit:1 -o ignore \ 74 grep 'rule 0/0.*ridentifier' tcpdump.log 75 76 # Now try with antispoof rules 77 pft_set_rules alcatraz \ 78 "pass in log" \ 79 "antispoof log for ${epair}b ridentifier 4321" 80 81 jexec alcatraz tcpdump --immediate-mode -n -e -i pflog0 > tcpdump.log & 82 sleep 1 83 84 # Without explicit rules for lo0 we're going to drop packets to ourself 85 atf_check -s exit:2 -o ignore -e ignore \ 86 jexec alcatraz ping -c 1 -t 1 192.0.2.2 87 88 sleep 1 89 jexec alcatraz killall tcpdump 90 91 cat tcpdump.log 92 93 # Make sure we spotted the ridentifier 94 atf_check -s exit:0 -o ignore \ 95 grep 'rule 2/0.*ridentifier 4321' tcpdump.log 96} 97 98basic_cleanup() 99{ 100 pft_cleanup 101 rm -f inetd-alcatraz.pid 102 rm -f tcpdump.log 103} 104 105atf_init_test_cases() 106{ 107 atf_add_test_case "basic" 108} 109