1 files changed, 154 insertions, 0 deletions
diff --git a/tests/sys/netpfil/pf/limits.sh b/tests/sys/netpfil/pf/limits.sh
new file mode 100644
index 000000000000..a0d6b891ee19
--- /dev/null
+++ b/tests/sys/netpfil/pf/limits.sh
@@ -0,0 +1,154 @@
+#
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2024 Kristof Provost <kp@FreeBSD.org>
+#
+# 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.
+
+. $(atf_get_srcdir)/utils.subr
+
+atf_test_case "basic" "cleanup"
+basic_head()
+{
+	atf_set descr 'Test setting and retrieving limits'
+	atf_set require.user root
+}
+
+basic_body()
+{
+	pft_init
+
+	vnet_mkjail alcatraz
+
+	pft_set_rules alcatraz \
+		"set limit states 200" \
+		"set limit frags 100" \
+		"set limit src-nodes 50" \
+		"set limit table-entries 25"
+
+	atf_check -s exit:0 -o match:'states.*200' \
+	    jexec alcatraz pfctl -sm
+	atf_check -s exit:0 -o match:'frags.*100' \
+	    jexec alcatraz pfctl -sm
+	atf_check -s exit:0 -o match:'src-nodes.*50' \
+	    jexec alcatraz pfctl -sm
+	atf_check -s exit:0 -o match:'table-entries.*25' \
+	    jexec alcatraz pfctl -sm
+}
+
+basic_cleanup()
+{
+	pft_cleanup
+}
+
+atf_test_case "zero" "cleanup"
+zero_head()
+{
+	atf_set descr 'Test changing a limit from zero on an in-use zone'
+	atf_set require.user root
+}
+
+zero_body()
+{
+	pft_init
+
+	epair=$(vnet_mkepair)
+	ifconfig ${epair}b 192.0.2.2/24 up
+
+	vnet_mkjail alcatraz ${epair}a
+	jexec alcatraz ifconfig ${epair}a 192.0.2.1/24 up
+
+	atf_check -s exit:0 -o ignore \
+	    ping -c 3 192.0.2.1
+
+	jexec alcatraz pfctl -e
+	# Set no limit
+	pft_set_rules noflush alcatraz \
+		"set limit states 0" \
+		"pass"
+
+	# Check that we really report no limit
+	atf_check -s exit:0 -o 'match:states        hard limit        0' \
+	    jexec alcatraz pfctl -sa
+
+	# Create a state
+	atf_check -s exit:0 -o ignore \
+	    ping -c 3 192.0.2.1
+
+	# Limit states
+	pft_set_rules noflush alcatraz \
+		"set limit states 1000" \
+		"pass"
+
+	# And create a new state
+	atf_check -s exit:0 -o ignore \
+	    ping -c 3 192.0.2.1
+
+	atf_check -s exit:0 -o 'match:states        hard limit     1000' \
+	    jexec alcatraz pfctl -sa
+}
+
+zero_cleanup()
+{
+	pft_cleanup
+}
+
+atf_test_case "anchors" "cleanup"
+anchors_head()
+{
+	atf_set descr 'Test increasing maximum number of anchors'
+	atf_set require.user root
+}
+
+anchors_body()
+{
+	pft_init
+
+	vnet_mkjail alcatraz
+
+	jexec alcatraz pfctl -e
+
+	pft_set_rules alcatraz \
+	    "set limit anchors 1"
+
+	pft_set_rules alcatraz \
+	    "set limit anchors 2" \
+	    "pass" \
+	    "anchor \"foo\" {\n
+	        pass in\n
+	    }" \
+	    "anchor \"bar\" {\n
+	        pass out\n
+	    }"
+}
+
+anchors_cleanup()
+{
+	pft_cleanup
+}
+
+atf_init_test_cases()
+{
+	atf_add_test_case "basic"
+	atf_add_test_case "zero"
+	atf_add_test_case "anchors"
+}