# # SPDX-License-Identifier: BSD-2-Clause # # Copyright (c) 2021 Rubicon Communications, LLC (Netgate) # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. . $(atf_get_srcdir)/utils.subr atf_test_case "basic" "cleanup" basic_head() { atf_set descr 'Test ridentifier keyword' atf_set require.user root } basic_body() { pft_init pflog_init epair=$(vnet_mkepair) ifconfig ${epair}a 192.0.2.1/24 up vnet_mkjail alcatraz ${epair}b jexec alcatraz ifconfig lo0 up jexec alcatraz ifconfig ${epair}b 192.0.2.2/24 up jexec alcatraz /usr/sbin/inetd -p inetd-alcatraz.pid $(atf_get_srcdir)/echo_inetd.conf # Sanity check atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2 jexec alcatraz pfctl -e jexec alcatraz ifconfig pflog0 up pft_set_rules alcatraz \ "pass in log" \ "pass in log proto tcp ridentifier 1234" jexec alcatraz tcpdump --immediate-mode -n -e -i pflog0 > tcpdump.log & sleep 1 echo "test" | nc -N 192.0.2.2 7 atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2 sleep 1 jexec alcatraz killall tcpdump # Make sure we spotted the ridentifier atf_check -s exit:0 -o ignore \ grep 'rule 1/0.*ridentifier 1234' tcpdump.log # But not on the !TCP traffic atf_check -s exit:1 -o ignore \ grep 'rule 0/0.*ridentifier' tcpdump.log # Now try with antispoof rules pft_set_rules alcatraz \ "pass in log" \ "antispoof log for ${epair}b ridentifier 4321" jexec alcatraz tcpdump --immediate-mode -n -e -i pflog0 > tcpdump.log & sleep 1 # Without explicit rules for lo0 we're going to drop packets to ourself atf_check -s exit:2 -o ignore -e ignore \ jexec alcatraz ping -c 1 -t 1 192.0.2.2 sleep 1 jexec alcatraz killall tcpdump cat tcpdump.log # Make sure we spotted the ridentifier atf_check -s exit:0 -o ignore \ grep 'rule 2/0.*ridentifier 4321' tcpdump.log } basic_cleanup() { pft_cleanup rm -f inetd-alcatraz.pid rm -f tcpdump.log } atf_init_test_cases() { atf_add_test_case "basic" }