Differential D32751 Diff 98056 tests/sys/netpfil/pf/ridentifier.sh

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tests/sys/netpfil/pf/ridentifier.sh

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				# $FreeBSD$
				#
				# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
				#
				# 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
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				# 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"
				}