From b7d3faaad02163a7731f92ddab08ff79c6496c8f Mon Sep 17 00:00:00 2001 From: Kristof Provost Date: Wed, 30 Jun 2021 14:22:27 +0200 Subject: pf tests: synproxy to localhost test Test syn-proxying a connection to the local host. Sponsored by: Modirum MDPay MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D31854 (cherry picked from commit 6598cababf6425181a755ec97c3fa66d7ee31393) --- tests/sys/netpfil/pf/synproxy.sh | 83 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) diff --git a/tests/sys/netpfil/pf/synproxy.sh b/tests/sys/netpfil/pf/synproxy.sh index aedbb8885129..66debfe9f925 100755 --- a/tests/sys/netpfil/pf/synproxy.sh +++ b/tests/sys/netpfil/pf/synproxy.sh @@ -79,7 +79,90 @@ synproxy_cleanup() pft_cleanup } +atf_test_case "local" "cleanup" +local_head() +{ + atf_set descr 'Synproxy a locally terminated connection' + atf_set require.user root +} + +local_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 /usr/sbin/inetd -p inetd-alcatraz.pid \ + $(atf_get_srcdir)/echo_inetd.conf + + jexec alcatraz pfctl -e + pft_set_rules alcatraz "set fail-policy return" \ + "scrub in all fragment reassemble" \ + "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state" + + # Sanity check + atf_check -s exit:0 -o ignore ping -c 1 192.0.2.1 + + # Check that we can talk to the jail, after synproxying + reply=$(echo ping | nc -N -w 5 192.0.2.1 7) + if [ "${reply}" != "ping" ]; + then + atf_fail "echo failed" + fi +} + +local_cleanup() +{ + rm -f inetd-alcatraz.pid + pft_cleanup +} + +atf_test_case "local_v6" "cleanup" +local_v6_head() +{ + atf_set descr 'Synproxy (v6) a locally terminated connection' + atf_set require.user root +} + +local_v6_body() +{ + pft_init + + epair=$(vnet_mkepair) + ifconfig ${epair}a inet6 2001:db8:42::1/64 no_dad up + + vnet_mkjail alcatraz ${epair}b + jexec alcatraz ifconfig ${epair}b inet6 2001:db8:42::2/64 no_dad up + jexec alcatraz /usr/sbin/inetd -p inetd-alcatraz.pid \ + $(atf_get_srcdir)/echo_inetd.conf + + jexec alcatraz pfctl -e + pft_set_rules alcatraz "set fail-policy return" \ + "scrub in all fragment reassemble" \ + "pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state" + + # Sanity check + atf_check -s exit:0 -o ignore ping6 -c 1 2001:db8:42::2 + + reply=$(echo ping | nc -N -w 5 2001:db8:42::2 7) + if [ "${reply}" != "ping" ]; + then + atf_fail "echo failed" + fi +} + +local_v6_cleanup() +{ + rm -f inetd-alcatraz.pid + pft_cleanup +} + atf_init_test_cases() { atf_add_test_case "synproxy" + atf_add_test_case "local" + atf_add_test_case "local_v6" } -- cgit v1.2.3