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# $FreeBSD$
#
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2018 Kristof Provost <kp@FreeBSD.org>
#
# 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.
. $(atf_get_srcdir)/utils.subr
atf_test_case "exhaust" "cleanup"
exhaust_head()
{
atf_set descr 'Test exhausting the NAT pool'
atf_set require.user root
}
exhaust_body()
{
pft_init
epair_nat=$(vnet_mkepair)
epair_echo=$(vnet_mkepair)
vnet_mkjail nat ${epair_nat}b ${epair_echo}a
vnet_mkjail echo ${epair_echo}b
ifconfig ${epair_nat}a 192.0.2.2/24 up
route add -net 198.51.100.0/24 192.0.2.1
jexec nat ifconfig ${epair_nat}b 192.0.2.1/24 up
jexec nat ifconfig ${epair_echo}a 198.51.100.1/24 up
jexec nat sysctl net.inet.ip.forwarding=1
jexec echo ifconfig ${epair_echo}b 198.51.100.2/24 up
jexec echo /usr/sbin/inetd -p inetd-echo.pid $(atf_get_srcdir)/echo_inetd.conf
# Enable pf!
jexec nat pfctl -e
pft_set_rules nat \
"nat pass on ${epair_echo}a inet from 192.0.2.0/24 to any -> (${epair_echo}a) port 30000:30001 sticky-address"
# Sanity check
atf_check -s exit:0 -o ignore ping -c 3 198.51.100.2
echo "foo" | nc -N 198.51.100.2 7
echo "foo" | nc -N 198.51.100.2 7
# This one will fail, but that's expected
echo "foo" | nc -N 198.51.100.2 7 &
sleep 1
# If the kernel is stuck in pf_get_sport() this will not succeed either.
timeout 2 jexec nat pfctl -sa
if [ $? -eq 124 ]; then
# Timed out
atf_fail "pfctl timeout"
fi
}
exhaust_cleanup()
{
rm -f inetd-echo.pid
pft_cleanup
}
atf_test_case "nested_anchor" "cleanup"
nested_anchor_head()
{
atf_set descr 'Test setting and retrieving nested nat anchors'
atf_set require.user root
}
nested_anchor_body()
{
pft_init
epair=$(vnet_mkepair)
vnet_mkjail nat ${epair}a
pft_set_rules nat \
"nat-anchor \"foo\""
echo "nat-anchor \"bar\"" | jexec nat pfctl -g -a foo -f -
echo "nat on ${epair}a from any to any -> (${epair}a)" | jexec nat pfctl -g -a "foo/bar" -f -
atf_check -s exit:0 -o inline:"nat-anchor \"foo\" all {
nat-anchor \"bar\" all {
nat on ${epair}a all -> (${epair}a) round-robin
}
}
" jexec nat pfctl -sn -a "*"
}
nested_anchor_cleanup()
{
pft_cleanup
}
atf_init_test_cases()
{
atf_add_test_case "exhaust"
atf_add_test_case "nested_anchor"
}
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