177 lines
4.9 KiB
Bash
Executable File
177 lines
4.9 KiB
Bash
Executable File
# $FreeBSD$
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#
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# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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#
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# Copyright (c) 2017 Kristof Provost <kp@FreeBSD.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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. $(atf_get_srcdir)/utils.subr
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common_dir=$(atf_get_srcdir)/../common
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atf_test_case "v4" "cleanup"
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v4_head()
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{
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atf_set descr 'Basic forwarding test'
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atf_set require.user root
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# We need scapy to be installed for out test scripts to work
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atf_set require.progs scapy
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}
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v4_body()
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{
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pft_init
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epair_send=$(vnet_mkepair)
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ifconfig ${epair_send}a 192.0.2.1/24 up
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epair_recv=$(vnet_mkepair)
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ifconfig ${epair_recv}a up
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vnet_mkjail alcatraz ${epair_send}b ${epair_recv}b
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jexec alcatraz ifconfig ${epair_send}b 192.0.2.2/24 up
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jexec alcatraz ifconfig ${epair_recv}b 198.51.100.2/24 up
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jexec alcatraz sysctl net.inet.ip.forwarding=1
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jexec alcatraz arp -s 198.51.100.3 00:01:02:03:04:05
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route add -net 198.51.100.0/24 192.0.2.2
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# Sanity check, can we forward ICMP echo requests without pf?
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atf_check -s exit:0 ${common_dir}/pft_ping.py \
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--sendif ${epair_send}a \
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--to 198.51.100.3 \
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--recvif ${epair_recv}a
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jexec alcatraz pfctl -e
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# Forward with pf enabled
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pft_set_rules alcatraz "block in"
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atf_check -s exit:1 ${common_dir}/pft_ping.py \
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--sendif ${epair_send}a \
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--to 198.51.100.3 \
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--recvif ${epair_recv}a
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pft_set_rules alcatraz "block out"
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atf_check -s exit:1 ${common_dir}/pft_ping.py \
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--sendif ${epair_send}a \
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--to 198.51.100.3 \
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--recv ${epair_recv}a
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# Allow ICMP
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pft_set_rules alcatraz "block in" "pass in proto icmp"
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atf_check -s exit:0 ${common_dir}/pft_ping.py \
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--sendif ${epair_send}a \
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--to 198.51.100.3 \
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--recvif ${epair_recv}a
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}
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v4_cleanup()
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{
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pft_cleanup
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}
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atf_test_case "v6" "cleanup"
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v6_head()
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{
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atf_set descr 'Basic IPv6 forwarding test'
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atf_set require.user root
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atf_set require.progs scapy
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}
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v6_body()
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{
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pft_init
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epair_send=$(vnet_mkepair)
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epair_recv=$(vnet_mkepair)
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ifconfig ${epair_send}a inet6 2001:db8:42::1/64 up no_dad -ifdisabled
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ifconfig ${epair_recv}a up
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vnet_mkjail alcatraz ${epair_send}b ${epair_recv}b
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jexec alcatraz ifconfig ${epair_send}b inet6 2001:db8:42::2/64 up no_dad
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jexec alcatraz ifconfig ${epair_recv}b inet6 2001:db8:43::2/64 up no_dad
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jexec alcatraz sysctl net.inet6.ip6.forwarding=1
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jexec alcatraz ndp -s 2001:db8:43::3 00:01:02:03:04:05
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route add -6 2001:db8:43::/64 2001:db8:42::2
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# Sanity check, can we forward ICMP echo requests without pf?
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atf_check -s exit:0 ${common_dir}/pft_ping.py \
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--ip6 \
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--sendif ${epair_send}a \
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--to 2001:db8:43::3 \
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--recvif ${epair_recv}a
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jexec alcatraz pfctl -e
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# Block incoming echo request packets
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pft_set_rules alcatraz \
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"block in inet6 proto icmp6 icmp6-type echoreq"
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atf_check -s exit:1 ${common_dir}/pft_ping.py \
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--ip6 \
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--sendif ${epair_send}a \
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--to 2001:db8:43::3 \
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--recvif ${epair_recv}a
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# Block outgoing echo request packets
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pft_set_rules alcatraz \
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"block out inet6 proto icmp6 icmp6-type echoreq"
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atf_check -s exit:1 -e ignore ${common_dir}/pft_ping.py \
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--ip6 \
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--sendif ${epair_send}a \
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--to 2001:db8:43::3 \
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--recvif ${epair_recv}a
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# Allow ICMPv6 but nothing else
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pft_set_rules alcatraz \
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"block out" \
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"pass out inet6 proto icmp6"
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atf_check -s exit:0 ${common_dir}/pft_ping.py \
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--ip6 \
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--sendif ${epair_send}a \
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--to 2001:db8:43::3 \
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--recvif ${epair_recv}a
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# Allowing ICMPv4 does not allow ICMPv6
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pft_set_rules alcatraz \
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"block out inet6 proto icmp6 icmp6-type echoreq" \
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"pass in proto icmp"
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atf_check -s exit:1 ${common_dir}/pft_ping.py \
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--ip6 \
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--sendif ${epair_send}a \
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--to 2001:db8:43::3 \
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--recvif ${epair_recv}a
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}
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v6_cleanup()
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{
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pft_cleanup
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}
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atf_init_test_cases()
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{
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atf_add_test_case "v4"
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atf_add_test_case "v6"
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}
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