138 lines
3.6 KiB
Bash
138 lines
3.6 KiB
Bash
#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2018 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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. $(atf_get_srcdir)/runner.subr
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basic_head()
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{
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atf_set descr 'Basic IPv4 NAT test'
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atf_set require.user root
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}
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basic_body()
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{
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firewall=$1
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firewall_init $firewall
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nat_init $firewall
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epair=$(vnet_mkepair)
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vnet_mkjail alcatraz ${epair}b
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ifconfig ${epair}a 192.0.2.2/24 up
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route add -net 198.51.100.0/24 192.0.2.1
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jexec alcatraz ifconfig ${epair}b 192.0.2.1/24 up
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jexec alcatraz sysctl net.inet.ip.forwarding=1
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# Enable redirect filter rule
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firewall_config alcatraz ${firewall} \
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"pf" \
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"rdr pass on ${epair}b proto tcp from any to 198.51.100.0/24 port 1234 -> 192.0.2.1 port 4321" \
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"ipfnat" \
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"rdr ${epair}b from any to 198.51.100.0/24 port = 1234 -> 192.0.2.1 port 4321 tcp"
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echo "foo" | jexec alcatraz nc -N -l 4321 &
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sleep 1
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result=$(nc -N -w 3 198.51.100.2 1234)
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if [ "$result" != "foo" ]; then
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atf_fail "Redirect failed"
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fi
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}
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basic_cleanup()
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{
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firewall=$1
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firewall_cleanup $firewall
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}
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local_redirect_head()
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{
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atf_set descr 'Redirect local traffic test'
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atf_set require.user root
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}
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local_redirect_body()
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{
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firewall=$1
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firewall_init $firewall
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nat_init $firewall
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vnet_init_bridge
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bridge=$(vnet_mkbridge)
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ifconfig ${bridge} 192.0.2.1/24 up
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epair1=$(vnet_mkepair)
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epair2=$(vnet_mkepair)
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vnet_mkjail first ${epair1}b
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ifconfig ${epair1}a up
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ifconfig ${bridge} addm ${epair1}a
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jexec first ifconfig ${epair1}b 192.0.2.2/24 up
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jexec first ifconfig lo0 127.0.0.1/8 up
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vnet_mkjail second ${epair2}b
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ifconfig ${epair2}a up
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ifconfig ${bridge} addm ${epair2}a
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jexec second ifconfig ${epair2}b 192.0.2.3/24 up
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jexec second ifconfig lo0 127.0.0.1/8 up
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jexec second sysctl net.inet.ip.forwarding=1
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# Enable redirect filter rule
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firewall_config second ${firewall} \
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"pf" \
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"rdr pass proto tcp from any to 192.0.2.3/24 port 1234 -> 192.0.2.2 port 4321" \
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"ipfnat" \
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"rdr '*' from any to 192.0.2.3/24 port = 1234 -> 192.0.2.2 port 4321 tcp"
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echo "foo" | jexec first nc -N -l 4321 &
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sleep 1
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# Verify that second can use its rule to redirect local connections to first
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result=$(jexec second nc -N -w 3 192.0.2.3 1234)
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if [ "$result" != "foo" ]; then
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atf_fail "Redirect failed"
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fi
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}
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local_redirect_cleanup()
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{
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firewall=$1
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firewall_cleanup $firewall
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}
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setup_tests \
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basic \
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pf \
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ipfnat \
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local_redirect \
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pf \
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ipfnat
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