The branch main has been updated by kp: URL: https://cgit.FreeBSD.org/src/commit/?id=27ab791a55191c0b6503391d411303b042b41047
commit 27ab791a55191c0b6503391d411303b042b41047 Author: Kristof Provost <[email protected]> AuthorDate: 2021-06-30 13:27:46 +0000 Commit: Kristof Provost <[email protected]> CommitDate: 2021-07-20 08:36:14 +0000 pf tests: ensure syncookie does not create state Test that with syncookies enabled pf does not create state for connections before the remote peer has replied to the SYN|ACK message. MFC after: 1 week Sponsored by: Modirum MDPay Differential Revision: https://reviews.freebsd.org/D31142 --- tests/sys/netpfil/pf/syncookie.sh | 49 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) 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 @@ -27,6 +27,8 @@ . $(atf_get_srcdir)/utils.subr +common_dir=$(atf_get_srcdir)/../common + atf_test_case "forward" "cleanup" forward_head() { @@ -78,7 +80,54 @@ forward_cleanup() 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" } _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/dev-commits-src-all To unsubscribe, send any mail to "[email protected]"
