misc: add ikev2 tests usecases

Type: test
Ticket: VPP-1893

Change-Id: Ib6ffd00e73f7110bf9e702f4a0fd5c68395d6786
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>

1 files changed, 113 insertions, 0 deletions

diff --git a/extras/strongswan/topos/2_init.sh b/extras/strongswan/topos/2_init.sh
new file mode 100644
index 00000000000..4e4b19079d3
--- /dev/null
+++ b/extras/strongswan/topos/2_init.sh
@@ -0,0 +1,113 @@
+#
+# 2 initiators (strongswan), 1 responder (vpp) topology
+#
+
+if [ -f ~/.vpp_sswan ]; then
+  . ~/.vpp_sswan
+fi
+
+STARTUP_DIR="`pwd`"
+SSWAN_CFG_DIR=/tmp/sswan
+
+vppctl () {
+  sudo $VPPCTL -s /tmp/vpp_sswan.sock $@
+}
+
+start_vpp() {
+  sudo $VPP_BIN unix { \
+        cli-listen /tmp/vpp_sswan.sock \
+        gid $(id -g) } \
+        api-segment { prefix vpp } \
+        plugins { plugin dpdk_plugin.so { disable } }
+  sleep 5
+
+  echo "exec $STARTUP_DIR/configs/$TC_DIR/vpp.conf"
+  vppctl exec $STARTUP_DIR/configs/$TC_DIR/vpp.conf
+  sleep 3
+}
+
+initiator_conf() {
+  sudo rm -r $SSWAN_CFG_DIR$1
+  sudo mkdir -p $SSWAN_CFG_DIR$1
+  sudo cp configs/$TC_DIR/ipsec$1.conf $SSWAN_CFG_DIR$1/ipsec.conf
+  sudo cp configs/$TC_DIR/ipsec.secrets $SSWAN_CFG_DIR$1/ipsec.secrets
+  sudo cp configs/strongswan.conf $SSWAN_CFG_DIR$1/strongswan.conf
+}
+
+config_topo () {
+  ns_name="ns"$1
+  init_name="sswan"$1
+  (sudo ip link add gw$1 type veth peer name veth_gw$1
+  sudo ip link set dev gw$1 up
+
+  sudo ip netns add $ns_name
+  sudo ip link add veth_priv$1 type veth peer name priv$1
+  sudo ip link set dev priv$1 up
+  sudo ip link set dev veth_priv$1 up netns $ns_name
+
+  sudo ip netns exec $ns_name \
+    bash -c "
+      ip link set dev lo up
+      ip addr add 192.168.3.2/24 dev veth_priv$1
+      ip addr add fec3::2/16 dev veth_priv$1
+      ip route add 192.168.5.0/24 via 192.168.3.1
+      ip route add fec5::0/16 via fec3::1
+      ") &> /dev/null
+
+  initiator_conf $1
+
+  (docker run --name $init_name -d --privileged --rm --net=none \
+  -v $SSWAN_CFG_DIR$1:/conf -v $SSWAN_CFG_DIR$1:/etc/ipsec.d philplckthun/strongswan)
+
+  pid=$(docker inspect --format "{{.State.Pid}}" $init_name)
+  sudo ip link set netns $pid dev veth_gw$1
+
+  sudo nsenter -t $pid -n ip addr add 192.168.10.1/24 dev veth_gw$1
+  sudo nsenter -t $pid -n ip link set dev veth_gw$1 up
+
+  sudo nsenter -t $pid -n ip addr add 192.168.5.2/32 dev lo
+  sudo nsenter -t $pid -n ip link set dev lo up
+}
+
+initiate_from_sswan () {
+  echo "start initiation.."
+  sudo docker exec sswan$1 ipsec up initiator
+  sleep 3
+}
+
+test_ping() {
+  sudo ip netns exec $1 ping -c 1 192.168.5.2
+  rc=$?
+  if [ $rc -ne 0 ] ; then
+    echo "Test failed!"
+  else
+    echo "Test passed."
+  fi
+  return $rc
+}
+
+unconf_topo () {
+  docker stop sswan1 &> /dev/null
+  docker stop sswan2 &> /dev/null
+  sudo pkill vpp
+  sudo ip netns delete ns1
+  sudo ip netns delete ns2
+  sleep 2
+}
+
+initiate_from_vpp () {
+  vppctl ikev2 initiate sa-init pr1
+  sleep 2
+}
+
+#vpp as an responder
+run_responder_test() {
+  unconf_topo
+  config_topo "1"
+  config_topo "2"
+  start_vpp
+  initiate_from_sswan "1"
+  initiate_from_sswan "2"
+  test_ping "ns2"
+  test_ping "ns1"
+}