git: 953634737939 - main - pf tests: basic SCTP connection test
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Date: Fri, 21 Jul 2023 10:32:39 UTC
The branch main has been updated by kp:
URL: https://cgit.FreeBSD.org/src/commit/?id=95363473793986eeecf19f7ed78d05f25cfa7b87
commit 95363473793986eeecf19f7ed78d05f25cfa7b87
Author: Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2023-04-27 09:13:40 +0000
Commit: Kristof Provost <kp@FreeBSD.org>
CommitDate: 2023-07-21 10:32:18 +0000
pf tests: basic SCTP connection test
pf can now inspect SCTP. Check that we can set up a connection.
IPv4 and IPv6 tests.
MFC after: 3 weeks
Sponsored by: Orange Business Services
Differential Revision: https://reviews.freebsd.org/D40863
---
tests/sys/netpfil/pf/Makefile | 1 +
tests/sys/netpfil/pf/sctp.sh | 190 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 191 insertions(+)
diff --git a/tests/sys/netpfil/pf/Makefile b/tests/sys/netpfil/pf/Makefile
index 8e923b6971b8..19c87486d8bb 100644
--- a/tests/sys/netpfil/pf/Makefile
+++ b/tests/sys/netpfil/pf/Makefile
@@ -31,6 +31,7 @@ ATF_TESTS_SH+= altq \
rules_counter \
scrub_compat \
scrub_pass \
+ sctp \
set_skip \
set_tos \
src_track \
diff --git a/tests/sys/netpfil/pf/sctp.sh b/tests/sys/netpfil/pf/sctp.sh
new file mode 100644
index 000000000000..5064fe316e5e
--- /dev/null
+++ b/tests/sys/netpfil/pf/sctp.sh
@@ -0,0 +1,190 @@
+# $FreeBSD$
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright © 2023 Orange Business Services
+#
+# 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.
+
+. $(atf_get_srcdir)/utils.subr
+
+sctp_init()
+{
+ pft_init
+ if ! kldstat -q -m sctp; then
+ atf_skip "This test requires SCTP"
+ fi
+}
+
+atf_test_case "basic_v4" "cleanup"
+basic_v4_head()
+{
+ atf_set descr 'Basic SCTP connection over IPv4 passthrough'
+ atf_set require.user root
+}
+
+basic_v4_body()
+{
+ sctp_init
+
+ j="sctp:basic_v4"
+ epair=$(vnet_mkepair)
+
+ vnet_mkjail ${j}a ${epair}a
+ vnet_mkjail ${j}b ${epair}b
+
+ jexec ${j}a ifconfig ${epair}a 192.0.2.1/24 up
+ jexec ${j}b ifconfig ${epair}b 192.0.2.2/24 up
+ # Sanity check
+ atf_check -s exit:0 -o ignore \
+ jexec ${j}a ping -c 1 192.0.2.2
+
+ jexec ${j}a pfctl -e
+ pft_set_rules ${j}a \
+ "block" \
+ "pass in proto sctp to port 1234"
+
+ echo "foo" | jexec ${j}a nc --sctp -N -l 1234 &
+
+ # Wait for the server to start
+ sleep 1
+
+ out=$(jexec ${j}b nc --sctp -N -w 3 192.0.2.1 1234)
+ if [ "$out" != "foo" ]; then
+ atf_fail "SCTP connection failed"
+ fi
+
+ # Now with scrub rules present, so normalization is done
+ pft_set_rules ${j}a \
+ "scrub on ${j}a" \
+ "block" \
+ "pass in proto sctp to port 1234"
+
+ echo "foo" | jexec ${j}a nc --sctp -N -l 1234 &
+ sleep 1
+
+ out=$(jexec ${j}b nc --sctp -N -w 3 192.0.2.1 1234)
+ if [ "$out" != "foo" ]; then
+ atf_fail "SCTP connection failed"
+ fi
+
+ # Now fail with a blocked port
+ echo "foo" | jexec ${j}a nc --sctp -N -l 1235 &
+ sleep 1
+
+ out=$(jexec ${j}b nc --sctp -N -w 3 192.0.2.1 1235)
+ if [ "$out" == "foo" ]; then
+ atf_fail "SCTP port block failed"
+ fi
+
+ # Now fail with a blocked port but passing source port
+ out=$(jexec ${j}b nc --sctp -N -w 3 -p 1234 192.0.2.1 1235)
+ if [ "$out" == "foo" ]; then
+ atf_fail "SCTP port block failed"
+ fi
+}
+
+basic_v4_cleanup()
+{
+ pft_cleanup
+}
+
+atf_test_case "basic_v6" "cleanup"
+basic_v6_head()
+{
+ atf_set descr 'Basic SCTP connection over IPv6'
+ atf_set require.user root
+}
+
+basic_v6_body()
+{
+ sctp_init
+
+ j="sctp:basic_v6"
+ epair=$(vnet_mkepair)
+
+ vnet_mkjail ${j}a ${epair}a
+ vnet_mkjail ${j}b ${epair}b
+
+ jexec ${j}a ifconfig ${epair}a inet6 2001:db8::a/64 up no_dad
+ jexec ${j}b ifconfig ${epair}b inet6 2001:db8::b/64 up no_dad
+
+ # Sanity check
+ atf_check -s exit:0 -o ignore \
+ jexec ${j}a ping -6 -c 1 2001:db8::b
+
+ jexec ${j}a pfctl -e
+ pft_set_rules ${j}a \
+ "block proto sctp" \
+ "pass in proto sctp to port 1234"
+
+ echo "foo" | jexec ${j}a nc -6 --sctp -N -l 1234 &
+
+ # Wait for the server to start
+ sleep 1
+
+ out=$(jexec ${j}b nc --sctp -N -w 3 2001:db8::a 1234)
+ if [ "$out" != "foo" ]; then
+ atf_fail "SCTP connection failed"
+ fi
+
+ # Now with scrub rules present, so normalization is done
+ pft_set_rules ${j}a \
+ "scrub on ${j}a" \
+ "block proto sctp" \
+ "pass in proto sctp to port 1234"
+
+ echo "foo" | jexec ${j}a nc -6 --sctp -N -l 1234 &
+ sleep 1
+
+ out=$(jexec ${j}b nc --sctp -N -w 3 2001:db8::a 1234)
+ if [ "$out" != "foo" ]; then
+ atf_fail "SCTP connection failed"
+ fi
+
+ # Now fail with a blocked port
+ echo "foo" | jexec ${j}a nc -6 --sctp -N -l 1235 &
+ sleep 1
+
+ out=$(jexec ${j}b nc --sctp -N -w 3 2001:db8::a 1235)
+ if [ "$out" == "foo" ]; then
+ atf_fail "SCTP port block failed"
+ fi
+
+ # Now fail with a blocked port but passing source port
+ out=$(jexec ${j}b nc --sctp -N -w 3 -p 1234 2001:db8::a 1235)
+ if [ "$out" == "foo" ]; then
+ atf_fail "SCTP port block failed"
+ fi
+}
+
+basic_v6_cleanup()
+{
+ pft_cleanup
+}
+
+
+atf_init_test_cases()
+{
+ atf_add_test_case "basic_v4"
+ atf_add_test_case "basic_v6"
+}