1# 2# SPDX-License-Identifier: BSD-2-Clause 3# 4# Copyright (c) 2017 Kristof Provost <kp@FreeBSD.org> 5# Copyright (c) 2023 Kajetan Staszkiewicz <vegeta@tuxpowered.net> 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 "match_full_v4" "cleanup" 31match_full_v4_head() 32{ 33 atf_set descr 'Matching non-fragmented IPv4 packets' 34 atf_set require.user root 35 atf_set require.progs scapy 36} 37 38match_full_v4_body() 39{ 40 setup_router_dummy_ipv4 41 42 # Sanity check. 43 ping_dummy_check_request exit:0 --ping-type=icmp 44 45 # Only non-fragmented packets are passed 46 jexec router pfctl -e 47 pft_set_rules router \ 48 "pass out" \ 49 "block in" \ 50 "pass in inet proto icmp all icmp-type echoreq" 51 ping_dummy_check_request exit:0 --ping-type=icmp 52 ping_dummy_check_request exit:1 --ping-type=icmp --send-length=2000 --send-frag-length 1000 53} 54 55match_full_v4_cleanup() 56{ 57 pft_cleanup 58} 59 60 61atf_test_case "match_fragment_v4" "cleanup" 62match_fragment_v4_head() 63{ 64 atf_set descr 'Matching fragmented IPv4 packets' 65 atf_set require.user root 66 atf_set require.progs scapy 67} 68 69match_fragment_v4_body() 70{ 71 setup_router_dummy_ipv4 72 73 # Sanity check. 74 ping_dummy_check_request exit:0 --ping-type=icmp 75 76 # Only fragmented packets are passed 77 pft_set_rules router \ 78 "pass out" \ 79 "block in" \ 80 "pass in inet proto icmp fragment" 81 ping_dummy_check_request exit:1 --ping-type=icmp 82 ping_dummy_check_request exit:0 --ping-type=icmp --send-length=2000 --send-frag-length 1000 83} 84 85match_fragment_v4_cleanup() 86{ 87 pft_cleanup 88} 89 90 91atf_test_case "compat_override_v4" "cleanup" 92compat_override_v4_head() 93{ 94 atf_set descr 'Scrub rules override "set reassemble" for IPv4' 95 atf_set require.user root 96 atf_set require.progs scapy 97} 98 99compat_override_v4_body() 100{ 101 setup_router_dummy_ipv4 102 103 # Sanity check. 104 ping_dummy_check_request exit:0 --ping-type=icmp 105 106 # The same as match_fragment_v4 but with "set reassemble yes" which 107 # is ignored because of presence of scrub rules. 108 # Only fragmented packets are passed. 109 pft_set_rules router \ 110 "set reassemble yes" \ 111 "no scrub" \ 112 "pass out" \ 113 "block in" \ 114 "pass in inet proto icmp fragment" 115 ping_dummy_check_request exit:1 --ping-type=icmp 116 ping_dummy_check_request exit:0 --ping-type=icmp --send-length=2000 --send-frag-length 1000 117} 118 119compat_override_v4_cleanup() 120{ 121 pft_cleanup 122} 123 124 125atf_init_test_cases() 126{ 127 atf_add_test_case "match_full_v4" 128 atf_add_test_case "match_fragment_v4" 129 atf_add_test_case "compat_override_v4" 130} 131