The branch main has been updated by kp:
URL:
https://cgit.FreeBSD.org/src/commit/?id=065b5c7fb26eb4239e9bd513dde5a55ef78e45c4
commit 065b5c7fb26eb4239e9bd513dde5a55ef78e45c4
Author: Kristof Provost <k...@freebsd.org>
AuthorDate: 2021-04-16 15:33:17 +0000
Commit: Kristof Provost <k...@freebsd.org>
CommitDate: 2021-04-20 07:30:27 +0000
pf tests: Test cases for the 'kill state(s)' feature
MFC after: 1 week
Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D29796
---
tests/sys/netpfil/pf/Makefile | 1 +
tests/sys/netpfil/pf/killstate.sh | 175 ++++++++++++++++++++++++++++++++++++++
2 files changed, 176 insertions(+)
diff --git a/tests/sys/netpfil/pf/Makefile b/tests/sys/netpfil/pf/Makefile
index 5cf11da76faf..2478cefbc4a6 100644
--- a/tests/sys/netpfil/pf/Makefile
+++ b/tests/sys/netpfil/pf/Makefile
@@ -12,6 +12,7 @@ ATF_TESTS_SH+= altq \
forward \
fragmentation \
icmp \
+ killstate \
map_e \
names \
nat \
diff --git a/tests/sys/netpfil/pf/killstate.sh
b/tests/sys/netpfil/pf/killstate.sh
new file mode 100644
index 000000000000..994ce130a814
--- /dev/null
+++ b/tests/sys/netpfil/pf/killstate.sh
@@ -0,0 +1,175 @@
+# $FreeBSD$
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2021 Rubicon Communications, LLC (Netgate)
+#
+# 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 "v4" "cleanup"
+v4_head()
+{
+ atf_set descr 'Test killing states by IPv4 address'
+ atf_set require.user root
+ atf_set require.progs scapy
+}
+
+v4_body()
+{
+ pft_init
+
+ epair=$(vnet_mkepair)
+ ifconfig ${epair}a 192.0.2.1/24 up
+
+ vnet_mkjail alcatraz ${epair}b
+ jexec alcatraz ifconfig ${epair}b 192.0.2.2/24 up
+ jexec alcatraz pfctl -e
+
+ pft_set_rules alcatraz "block all" \
+ "pass in proto icmp"
+
+ # Sanity check & establish state
+ # Note: use pft_ping so we always use the same ID, so pf considers all
+ # echo requests part of the same flow.
+ atf_check -s exit:0 -o ignore ${common_dir}/pft_ping.py \
+ --sendif ${epair}a \
+ --to 192.0.2.2 \
+ --replyif ${epair}a
+
+ # Change rules to now deny the ICMP traffic
+ pft_set_rules noflush alcatraz "block all"
+
+ # Established state means we can still ping alcatraz
+ atf_check -s exit:0 -o ignore ${common_dir}/pft_ping.py \
+ --sendif ${epair}a \
+ --to 192.0.2.2 \
+ --replyif ${epair}a
+
+ # Killing with the wrong IP doesn't affect our state
+ jexec alcatraz pfctl -k 192.0.2.3
+
+ # So we can still ping
+ atf_check -s exit:0 -o ignore ${common_dir}/pft_ping.py \
+ --sendif ${epair}a \
+ --to 192.0.2.2 \
+ --replyif ${epair}a
+
+ # Killing with one correct address and one incorrect doesn't kill the
state
+ jexec alcatraz pfctl -k 192.0.2.1 -k 192.0.2.3
+
+ # So we can still ping
+ atf_check -s exit:0 -o ignore ${common_dir}/pft_ping.py \
+ --sendif ${epair}a \
+ --to 192.0.2.2 \
+ --replyif ${epair}a
+
+ # Killing with correct address does remove the state
+ jexec alcatraz pfctl -k 192.0.2.1
+
+ # Now the ping fails
+ atf_check -s exit:1 -o ignore ${common_dir}/pft_ping.py \
+ --sendif ${epair}a \
+ --to 192.0.2.2 \
+ --replyif ${epair}a
+}
+
+v4_cleanup()
+{
+ pft_cleanup
+}
+
+atf_test_case "label" "cleanup"
+label_head()
+{
+ atf_set descr 'Test killing states by label'
+ atf_set require.user root
+ atf_set require.progs scapy
+}
+
+label_body()
+{
+ pft_init
+
+ epair=$(vnet_mkepair)
+ ifconfig ${epair}a 192.0.2.1/24 up
+
+ vnet_mkjail alcatraz ${epair}b
+ jexec alcatraz ifconfig ${epair}b 192.0.2.2/24 up
+ jexec alcatraz pfctl -e
+
+ pft_set_rules alcatraz "block all" \
+ "pass in proto tcp label bar" \
+ "pass in proto icmp label foo"
+
+ # Sanity check & establish state
+ # Note: use pft_ping so we always use the same ID, so pf considers all
+ # echo requests part of the same flow.
+ atf_check -s exit:0 -o ignore ${common_dir}/pft_ping.py \
+ --sendif ${epair}a \
+ --to 192.0.2.2 \
+ --replyif ${epair}a
+
+ # Change rules to now deny the ICMP traffic
+ pft_set_rules noflush alcatraz "block all"
+
+ # Established state means we can still ping alcatraz
+ atf_check -s exit:0 -o ignore ${common_dir}/pft_ping.py \
+ --sendif ${epair}a \
+ --to 192.0.2.2 \
+ --replyif ${epair}a
+
+ # Killing a label on a different rules keeps the state
+ jexec alcatraz pfctl -k label -k bar
+ atf_check -s exit:0 -o ignore ${common_dir}/pft_ping.py \
+ --sendif ${epair}a \
+ --to 192.0.2.2 \
+ --replyif ${epair}a
+
+ # Killing a non-existing label keeps the state
+ jexec alcatraz pfctl -k label -k baz
+ atf_check -s exit:0 -o ignore ${common_dir}/pft_ping.py \
+ --sendif ${epair}a \
+ --to 192.0.2.2 \
+ --replyif ${epair}a
+
+ # Killing the correct label kills the state
+ jexec alcatraz pfctl -k label -k foo
+ atf_check -s exit:1 -o ignore ${common_dir}/pft_ping.py \
+ --sendif ${epair}a \
+ --to 192.0.2.2 \
+ --replyif ${epair}a
+}
+
+label_cleanup()
+{
+ pft_cleanup
+}
+
+atf_init_test_cases()
+{
+ atf_add_test_case "v4"
+ atf_add_test_case "label"
+}
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