1# 2# SPDX-License-Identifier: BSD-2-Clause 3# 4# Copyright (c) 2024 Rubicon Communications, LLC (Netgate) 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26 27. $(atf_get_srcdir)/utils.subr 28 29common_dir=$(atf_get_srcdir)/../common 30 31atf_test_case "zero_id" "cleanup" 32zero_id_head() 33{ 34 atf_set descr 'Test ICMPv6 echo with ID 0 keep being blocked' 35 atf_set require.user root 36 atf_set require.progs scapy 37} 38 39zero_id_body() 40{ 41 pft_init 42 43 epair=$(vnet_mkepair) 44 ifconfig ${epair}a inet6 2001:db8::2/64 up no_dad 45 46 vnet_mkjail alcatraz ${epair}b 47 jexec alcatraz ifconfig ${epair}b inet6 2001:db8::1/64 up no_dad 48 49 # Sanity check 50 atf_check -s exit:0 -o ignore \ 51 ping -c 1 2001:db8::1 52 53 jexec alcatraz pfctl -e 54 pft_set_rules alcatraz \ 55 "set block-policy drop" \ 56 "antispoof quick for { egress ${epair}b }" \ 57 "block all" \ 58 "pass out" \ 59 "pass in quick inet6 proto IPV6-ICMP icmp6-type 135" \ 60 "pass in quick inet6 proto IPV6-ICMP icmp6-type 136" \ 61 "pass out quick inet6 proto IPV6 from self to any" 62 63 # Now we can't ping 64 atf_check -s exit:2 -o ignore \ 65 ping -c 1 2001:db8::1 66 67 # Force neighbour discovery 68 ndp -d 2001:db8::1 69 70 # Verify that we don't confuse echo request with ID 0 for neighbour discovery 71 atf_check -s exit:1 -o ignore \ 72 ${common_dir}/pft_ping.py \ 73 --sendif ${epair}a \ 74 --to 2001:db8::1 \ 75 --replyif ${epair}a 76 77 jexec alcatraz pfctl -ss -vv 78 jexec alcatraz pfctl -sr -vv 79} 80 81zero_id_cleanup() 82{ 83 pft_cleanup 84} 85 86atf_init_test_cases() 87{ 88 atf_add_test_case "zero_id" 89} 90