1# $FreeBSD$ 2# 3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4# 5# Copyright (c) 2017 Kristof Provost <kp@FreeBSD.org> 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. $(atf_get_srcdir)/utils.subr 29 30common_dir=$(atf_get_srcdir)/../common 31 32atf_test_case "v4" "cleanup" 33v4_head() 34{ 35 atf_set descr 'Basic forwarding test' 36 atf_set require.user root 37 38 # We need scapy to be installed for out test scripts to work 39 atf_set require.progs scapy 40} 41 42v4_body() 43{ 44 pft_init 45 46 epair_send=$(vnet_mkepair) 47 ifconfig ${epair_send}a 192.0.2.1/24 up 48 49 epair_recv=$(vnet_mkepair) 50 ifconfig ${epair_recv}a up 51 52 vnet_mkjail alcatraz ${epair_send}b ${epair_recv}b 53 jexec alcatraz ifconfig ${epair_send}b 192.0.2.2/24 up 54 jexec alcatraz ifconfig ${epair_recv}b 198.51.100.2/24 up 55 jexec alcatraz sysctl net.inet.ip.forwarding=1 56 jexec alcatraz arp -s 198.51.100.3 00:01:02:03:04:05 57 route add -net 198.51.100.0/24 192.0.2.2 58 59 # Sanity check, can we forward ICMP echo requests without pf? 60 atf_check -s exit:0 ${common_dir}/pft_ping.py \ 61 --sendif ${epair_send}a \ 62 --to 198.51.100.3 \ 63 --recvif ${epair_recv}a 64 65 jexec alcatraz pfctl -e 66 67 # Forward with pf enabled 68 pft_set_rules alcatraz "block in" 69 atf_check -s exit:1 ${common_dir}/pft_ping.py \ 70 --sendif ${epair_send}a \ 71 --to 198.51.100.3 \ 72 --recvif ${epair_recv}a 73 74 pft_set_rules alcatraz "block out" 75 atf_check -s exit:1 ${common_dir}/pft_ping.py \ 76 --sendif ${epair_send}a \ 77 --to 198.51.100.3 \ 78 --recv ${epair_recv}a 79 80 # Allow ICMP 81 pft_set_rules alcatraz "block in" "pass in proto icmp" 82 atf_check -s exit:0 ${common_dir}/pft_ping.py \ 83 --sendif ${epair_send}a \ 84 --to 198.51.100.3 \ 85 --recvif ${epair_recv}a 86} 87 88v4_cleanup() 89{ 90 pft_cleanup 91} 92 93atf_test_case "v6" "cleanup" 94v6_head() 95{ 96 atf_set descr 'Basic IPv6 forwarding test' 97 atf_set require.user root 98 atf_set require.progs scapy 99} 100 101v6_body() 102{ 103 pft_init 104 105 if [ "$(atf_config_get ci false)" = "true" ]; then 106 atf_skip "https://bugs.freebsd.org/260460" 107 fi 108 109 epair_send=$(vnet_mkepair) 110 epair_recv=$(vnet_mkepair) 111 112 ifconfig ${epair_send}a inet6 2001:db8:42::1/64 up no_dad -ifdisabled 113 ifconfig ${epair_recv}a up 114 115 vnet_mkjail alcatraz ${epair_send}b ${epair_recv}b 116 117 jexec alcatraz ifconfig ${epair_send}b inet6 2001:db8:42::2/64 up no_dad 118 jexec alcatraz ifconfig ${epair_recv}b inet6 2001:db8:43::2/64 up no_dad 119 jexec alcatraz sysctl net.inet6.ip6.forwarding=1 120 jexec alcatraz ndp -s 2001:db8:43::3 00:01:02:03:04:05 121 route add -6 2001:db8:43::/64 2001:db8:42::2 122 123 # Sanity check, can we forward ICMP echo requests without pf? 124 atf_check -s exit:0 ${common_dir}/pft_ping.py \ 125 --sendif ${epair_send}a \ 126 --to 2001:db8:43::3 \ 127 --recvif ${epair_recv}a 128 129 jexec alcatraz pfctl -e 130 131 # Block incoming echo request packets 132 pft_set_rules alcatraz \ 133 "block in inet6 proto icmp6 icmp6-type echoreq" 134 atf_check -s exit:1 ${common_dir}/pft_ping.py \ 135 --sendif ${epair_send}a \ 136 --to 2001:db8:43::3 \ 137 --recvif ${epair_recv}a 138 139 # Block outgoing echo request packets 140 pft_set_rules alcatraz \ 141 "block out inet6 proto icmp6 icmp6-type echoreq" 142 atf_check -s exit:1 -e ignore ${common_dir}/pft_ping.py \ 143 --sendif ${epair_send}a \ 144 --to 2001:db8:43::3 \ 145 --recvif ${epair_recv}a 146 147 # Allow ICMPv6 but nothing else 148 pft_set_rules alcatraz \ 149 "block out" \ 150 "pass out inet6 proto icmp6" 151 atf_check -s exit:0 ${common_dir}/pft_ping.py \ 152 --sendif ${epair_send}a \ 153 --to 2001:db8:43::3 \ 154 --recvif ${epair_recv}a 155 156 # Allowing ICMPv4 does not allow ICMPv6 157 pft_set_rules alcatraz \ 158 "block out inet6 proto icmp6 icmp6-type echoreq" \ 159 "pass in proto icmp" 160 atf_check -s exit:1 ${common_dir}/pft_ping.py \ 161 --sendif ${epair_send}a \ 162 --to 2001:db8:43::3 \ 163 --recvif ${epair_recv}a 164} 165 166v6_cleanup() 167{ 168 pft_cleanup 169} 170 171atf_init_test_cases() 172{ 173 atf_add_test_case "v4" 174 atf_add_test_case "v6" 175} 176