diff --git a/tests/sys/netpfil/pf/syncookie.sh b/tests/sys/netpfil/pf/syncookie.sh index 7bd045249be6..49acd9fab11d 100644 --- a/tests/sys/netpfil/pf/syncookie.sh +++ b/tests/sys/netpfil/pf/syncookie.sh @@ -1,84 +1,133 @@ # $FreeBSD$ # # SPDX-License-Identifier: BSD-2-Clause-FreeBSD # # Copyright (c) 2021 Modirum MDPay # # 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 "forward" "cleanup" forward_head() { atf_set descr 'Syncookies for forwarded hosts' atf_set require.user root } forward_body() { pft_init epair_in=$(vnet_mkepair) epair_out=$(vnet_mkepair) vnet_mkjail fwd ${epair_in}b ${epair_out}a vnet_mkjail srv ${epair_out}b jexec fwd ifconfig ${epair_in}b 192.0.2.1/24 up jexec fwd ifconfig ${epair_out}a 198.51.100.1/24 up jexec fwd sysctl net.inet.ip.forwarding=1 jexec srv ifconfig ${epair_out}b 198.51.100.2/24 up jexec srv route add default 198.51.100.1 jexec srv /usr/sbin/inetd -p inetd-alcatraz.pid \ $(atf_get_srcdir)/echo_inetd.conf ifconfig ${epair_in}a 192.0.2.2/24 up route add -net 198.51.100.0/24 192.0.2.1 jexec fwd pfctl -e pft_set_rules fwd \ "set syncookies always" \ "pass in" \ "pass out" # Sanity check atf_check -s exit:0 -o ignore ping -c 1 198.51.100.2 reply=$(echo foo | nc -N -w 5 198.51.100.2 7) if [ "${reply}" != "foo" ]; then atf_fail "Failed to connect to syncookie protected echo daemon" fi } forward_cleanup() { rm -f inetd-alcatraz.pid pft_cleanup } +atf_test_case "nostate" "cleanup" +nostate_head() +{ + atf_set descr 'Ensure that we do not create until SYN|ACK' + atf_set require.user root + atf_set require.progs scapy +} + +nostate_body() +{ + pft_init + + epair=$(vnet_mkepair) + ifconfig ${epair}a 192.0.2.2/24 up + + vnet_mkjail alcatraz ${epair}b + jexec alcatraz ifconfig ${epair}b 192.0.2.1/24 up + + jexec alcatraz pfctl -e + pft_set_rules alcatraz \ + "set syncookies always" \ + "pass in" \ + "pass out" + + # Sanity check + atf_check -s exit:0 -o ignore ping -c 1 192.0.2.1 + + # Now syn flood to create many states + ${common_dir}/pft_synflood.py \ + --sendif ${epair}a \ + --to 192.0.2.2 \ + --count 20 + + states=$(jexec alcatraz pfctl -ss | grep tcp) + if [ -n "$states" ]; + then + echo "$states" + atf_fail "Found unexpected state" + fi +} + +nostate_cleanup() +{ + pft_cleanup +} + atf_init_test_cases() { atf_add_test_case "forward" + atf_add_test_case "nostate" }