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diff --git a/tests/sys/netpfil/pf/sctp.sh b/tests/sys/netpfil/pf/sctp.sh
--- a/tests/sys/netpfil/pf/sctp.sh
+++ b/tests/sys/netpfil/pf/sctp.sh
@@ -298,10 +298,116 @@
pft_cleanup
}
+atf_test_case "nat_v4" "cleanup"
+nat_v4_head()
+{
+ atf_set descr 'Test NAT-ing SCTP over IPv4'
+ atf_set require.user root
+}
+
+nat_v4_body()
+{
+ sctp_init
+
+ j="sctp:nat_v4"
+ epair_c=$(vnet_mkepair)
+ epair_srv=$(vnet_mkepair)
+
+ vnet_mkjail ${j}srv ${epair_srv}a
+ vnet_mkjail ${j}gw ${epair_srv}b ${epair_c}a
+ vnet_mkjail ${j}c ${epair_c}b
+
+ jexec ${j}srv ifconfig ${epair_srv}a 198.51.100.1/24 up
+ # No default route in srv jail, to ensure we're NAT-ing
+ jexec ${j}gw ifconfig ${epair_srv}b 198.51.100.2/24 up
+ jexec ${j}gw ifconfig ${epair_c}a 192.0.2.1/24 up
+ jexec ${j}gw sysctl net.inet.ip.forwarding=1
+ jexec ${j}c ifconfig ${epair_c}b 192.0.2.2/24 up
+ jexec ${j}c route add default 192.0.2.1
+
+ jexec ${j}gw pfctl -e
+ pft_set_rules ${j}gw \
+ "nat on ${epair_srv}b from 192.0.2.0/24 -> (${epair_srv}b)" \
+ "pass"
+
+ # Sanity check
+ atf_check -s exit:0 -o ignore \
+ jexec ${j}c ping -c 1 198.51.100.1
+
+ echo "foo" | jexec ${j}srv nc --sctp -N -l 1234 &
+
+ # Wait for the server to start
+ sleep 1
+
+ out=$(jexec ${j}c nc --sctp -N -w 3 198.51.100.1 1234)
+ if [ "$out" != "foo" ]; then
+ atf_fail "SCTP connection failed"
+ fi
+}
+
+nat_v4_cleanup()
+{
+ pft_cleanup
+}
+
+atf_test_case "nat_v6" "cleanup"
+nat_v6_head()
+{
+ atf_set descr 'Test NAT-ing SCTP over IPv6'
+ atf_set require.user root
+}
+
+nat_v6_body()
+{
+ sctp_init
+
+ j="sctp:nat_v6"
+ epair_c=$(vnet_mkepair)
+ epair_srv=$(vnet_mkepair)
+
+ vnet_mkjail ${j}srv ${epair_srv}a
+ vnet_mkjail ${j}gw ${epair_srv}b ${epair_c}a
+ vnet_mkjail ${j}c ${epair_c}b
+
+ jexec ${j}srv ifconfig ${epair_srv}a inet6 2001:db8::1/64 up no_dad
+ # No default route in srv jail, to ensure we're NAT-ing
+ jexec ${j}gw ifconfig ${epair_srv}b inet6 2001:db8::2/64 up no_dad
+ jexec ${j}gw ifconfig ${epair_c}a inet6 2001:db8:1::1/64 up no_dad
+ jexec ${j}gw sysctl net.inet6.ip6.forwarding=1
+ jexec ${j}c ifconfig ${epair_c}b inet6 2001:db8:1::2/64 up no_dad
+ jexec ${j}c route add -6 default 2001:db8:1::1
+
+ jexec ${j}gw pfctl -e
+ pft_set_rules ${j}gw \
+ "nat on ${epair_srv}b from 2001:db8:1::/64 -> (${epair_srv}b)" \
+ "pass"
+
+ # Sanity check
+ atf_check -s exit:0 -o ignore \
+ jexec ${j}c ping -6 -c 1 2001:db8::1
+
+ echo "foo" | jexec ${j}srv nc -6 --sctp -N -l 1234 &
+
+ # Wait for the server to start
+ sleep 1
+
+ out=$(jexec ${j}c nc --sctp -N -w 3 2001:db8::1 1234)
+ if [ "$out" != "foo" ]; then
+ atf_fail "SCTP connection failed"
+ fi
+}
+
+nat_v6_cleanup()
+{
+ pft_cleanup
+}
+
atf_init_test_cases()
{
atf_add_test_case "basic_v4"
atf_add_test_case "basic_v6"
atf_add_test_case "abort_v4"
atf_add_test_case "abort_v6"
+ atf_add_test_case "nat_v4"
+ atf_add_test_case "nat_v6"
}

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