# $FreeBSD$ # # SPDX-License-Identifier: BSD-2-Clause-FreeBSD # # Copyright (c) 2017 Kristof Provost # # 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 "v4" "cleanup" v4_head() { atf_set descr 'Basic forwarding test' atf_set require.user root # We need scapy to be installed for out test scripts to work atf_set require.progs scapy } v4_body() { pft_init epair_send=$(vnet_mkepair) ifconfig ${epair_send}a 192.0.2.1/24 up epair_recv=$(vnet_mkepair) ifconfig ${epair_recv}a up vnet_mkjail alcatraz ${epair_send}b ${epair_recv}b jexec alcatraz ifconfig ${epair_send}b 192.0.2.2/24 up jexec alcatraz ifconfig ${epair_recv}b 198.51.100.2/24 up jexec alcatraz sysctl net.inet.ip.forwarding=1 jexec alcatraz arp -s 198.51.100.3 00:01:02:03:04:05 route add -net 198.51.100.0/24 192.0.2.2 # Sanity check, can we forward ICMP echo requests without pf? atf_check -s exit:0 ${common_dir}/pft_ping.py \ --sendif ${epair_send}a \ --to 198.51.100.3 \ --recvif ${epair_recv}a jexec alcatraz pfctl -e # Forward with pf enabled pft_set_rules alcatraz "block in" atf_check -s exit:1 ${common_dir}/pft_ping.py \ --sendif ${epair_send}a \ --to 198.51.100.3 \ --recvif ${epair_recv}a pft_set_rules alcatraz "block out" atf_check -s exit:1 ${common_dir}/pft_ping.py \ --sendif ${epair_send}a \ --to 198.51.100.3 \ --recv ${epair_recv}a # Allow ICMP pft_set_rules alcatraz "block in" "pass in proto icmp" atf_check -s exit:0 ${common_dir}/pft_ping.py \ --sendif ${epair_send}a \ --to 198.51.100.3 \ --recvif ${epair_recv}a } v4_cleanup() { pft_cleanup } atf_test_case "v6" "cleanup" v6_head() { atf_set descr 'Basic IPv6 forwarding test' atf_set require.user root atf_set require.progs scapy } v6_body() { pft_init epair_send=$(vnet_mkepair) epair_recv=$(vnet_mkepair) ifconfig ${epair_send}a inet6 2001:db8:42::1/64 up no_dad -ifdisabled ifconfig ${epair_recv}a up vnet_mkjail alcatraz ${epair_send}b ${epair_recv}b jexec alcatraz ifconfig ${epair_send}b inet6 2001:db8:42::2/64 up no_dad jexec alcatraz ifconfig ${epair_recv}b inet6 2001:db8:43::2/64 up no_dad jexec alcatraz sysctl net.inet6.ip6.forwarding=1 jexec alcatraz ndp -s 2001:db8:43::3 00:01:02:03:04:05 route add -6 2001:db8:43::/64 2001:db8:42::2 # Sanity check, can we forward ICMP echo requests without pf? atf_check -s exit:0 ${common_dir}/pft_ping.py \ --ip6 \ --sendif ${epair_send}a \ --to 2001:db8:43::3 \ --recvif ${epair_recv}a jexec alcatraz pfctl -e # Block incoming echo request packets pft_set_rules alcatraz \ "block in inet6 proto icmp6 icmp6-type echoreq" atf_check -s exit:1 ${common_dir}/pft_ping.py \ --ip6 \ --sendif ${epair_send}a \ --to 2001:db8:43::3 \ --recvif ${epair_recv}a # Block outgoing echo request packets pft_set_rules alcatraz \ "block out inet6 proto icmp6 icmp6-type echoreq" atf_check -s exit:1 -e ignore ${common_dir}/pft_ping.py \ --ip6 \ --sendif ${epair_send}a \ --to 2001:db8:43::3 \ --recvif ${epair_recv}a # Allow ICMPv6 but nothing else pft_set_rules alcatraz \ "block out" \ "pass out inet6 proto icmp6" atf_check -s exit:0 ${common_dir}/pft_ping.py \ --ip6 \ --sendif ${epair_send}a \ --to 2001:db8:43::3 \ --recvif ${epair_recv}a # Allowing ICMPv4 does not allow ICMPv6 pft_set_rules alcatraz \ "block out inet6 proto icmp6 icmp6-type echoreq" \ "pass in proto icmp" atf_check -s exit:1 ${common_dir}/pft_ping.py \ --ip6 \ --sendif ${epair_send}a \ --to 2001:db8:43::3 \ --recvif ${epair_recv}a } v6_cleanup() { pft_cleanup } atf_init_test_cases() { atf_add_test_case "v4" atf_add_test_case "v6" }