# # SPDX-License-Identifier: BSD-2-Clause # # Copyright (c) 2023 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. . $(atf_get_srcdir)/utils.subr common_dir=$(atf_get_srcdir)/../common atf_test_case "malformed" "cleanup" malformed_head() { atf_set descr 'Test that we do not log malformed packets as passing' atf_set require.user root atf_set require.progs scapy } malformed_body() { pflog_init epair=$(vnet_mkepair) vnet_mkjail srv ${epair}b jexec srv ifconfig ${epair}b 192.0.2.1/24 up vnet_mkjail cl ${epair}a jexec cl ifconfig ${epair}a 192.0.2.2/24 up jexec cl pfctl -e jexec cl ifconfig pflog0 up pft_set_rules cl \ "pass log keep state" # Not required, but the 'pf: dropping packet with ip options' kernel log can # help when debugging the test. jexec cl pfctl -x loud jexec cl tcpdump -n -e -ttt --immediate-mode -l -U -i pflog0 >> pflog.txt & sleep 1 # Wait for tcpdump to start # Sanity check atf_check -s exit:0 -o ignore \ jexec srv ping -c 1 192.0.2.2 jexec srv ${common_dir}/pft_ping.py \ --sendif ${epair}b \ --to 192.0.2.2 \ --send-nop \ --recvif ${epair}b atf_check -o match:".*rule 0/8\(ip-option\): block in on ${epair}a: 192.0.2.1 > 192.0.2.2: ICMP echo request.*" \ cat pflog.txt } malformed_cleanup() { pft_cleanup } atf_init_test_cases() { atf_add_test_case "malformed" }