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-rw-r--r--test/test_wireguard.py134
1 files changed, 133 insertions, 1 deletions
diff --git a/test/test_wireguard.py b/test/test_wireguard.py
index afa6d70a8e7..7e5ef5b3616 100644
--- a/test/test_wireguard.py
+++ b/test/test_wireguard.py
@@ -2260,6 +2260,138 @@ class TestWg(VppTestCase):
wg0.remove_vpp_config()
wg1.remove_vpp_config()
+ def test_wg_sending_handshake_when_admin_down(self):
+ """Sending handshake when admin down"""
+ port = 12323
+
+ # create wg interface
+ wg0 = VppWgInterface(self, self.pg1.local_ip4, port).add_vpp_config()
+ wg0.config_ip4()
+
+ # create a peer
+ peer_1 = VppWgPeer(
+ self, wg0, self.pg1.remote_ip4, port + 1, ["10.11.3.0/24"]
+ ).add_vpp_config()
+ self.assertEqual(len(self.vapi.wireguard_peers_dump()), 1)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # wait for the peer to send a handshake initiation
+ # expect no handshakes
+ for i in range(2):
+ self.pg1.assert_nothing_captured(remark="handshake packet(s) sent")
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # administratively enable the wg interface
+ # expect the peer to send a handshake initiation
+ wg0.admin_up()
+ rxs = self.pg1.get_capture(1, timeout=2)
+ peer_1.consume_init(rxs[0], self.pg1)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # administratively disable the wg interface
+ # expect no handshakes
+ wg0.admin_down()
+ for i in range(6):
+ self.pg1.assert_nothing_captured(remark="handshake packet(s) sent")
+
+ # remove configs
+ peer_1.remove_vpp_config()
+ wg0.remove_vpp_config()
+
+ def test_wg_sending_data_when_admin_down(self):
+ """Sending data when admin down"""
+ port = 12323
+
+ # create wg interface
+ wg0 = VppWgInterface(self, self.pg1.local_ip4, port).add_vpp_config()
+ wg0.admin_up()
+ wg0.config_ip4()
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # create a peer
+ peer_1 = VppWgPeer(
+ self, wg0, self.pg1.remote_ip4, port + 1, ["10.11.3.0/24"]
+ ).add_vpp_config()
+ self.assertEqual(len(self.vapi.wireguard_peers_dump()), 1)
+
+ # create a route to rewrite traffic into the wg interface
+ r1 = VppIpRoute(
+ self, "10.11.3.0", 24, [VppRoutePath("10.11.3.1", wg0.sw_if_index)]
+ ).add_vpp_config()
+
+ # wait for the peer to send a handshake initiation
+ rxs = self.pg1.get_capture(1, timeout=2)
+
+ # prepare and send a handshake response
+ # expect a keepalive message
+ resp = peer_1.consume_init(rxs[0], self.pg1)
+ rxs = self.send_and_expect(self.pg1, [resp], self.pg1)
+
+ # verify the keepalive message
+ b = peer_1.decrypt_transport(rxs[0])
+ self.assertEqual(0, len(b))
+
+ # prepare and send a packet that will be rewritten into the wg interface
+ # expect a data packet sent
+ p = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IP(src=self.pg0.remote_ip4, dst="10.11.3.2")
+ / UDP(sport=555, dport=556)
+ / Raw()
+ )
+ rxs = self.send_and_expect(self.pg0, [p], self.pg1)
+
+ # verify the data packet
+ peer_1.validate_encapped(rxs, p)
+
+ # administratively disable the wg interface
+ wg0.admin_down()
+
+ # send a packet that will be rewritten into the wg interface
+ # expect no data packets sent
+ self.send_and_assert_no_replies(self.pg0, [p])
+
+ # administratively enable the wg interface
+ # expect the peer to send a handshake initiation
+ wg0.admin_up()
+ peer_1.noise_reset()
+ rxs = self.pg1.get_capture(1, timeout=2)
+ resp = peer_1.consume_init(rxs[0], self.pg1)
+
+ # send a packet that will be rewritten into the wg interface
+ # expect no data packets sent because the peer is not initiated
+ self.send_and_assert_no_replies(self.pg0, [p])
+ self.assertEqual(
+ self.base_kp4_err + 1, self.statistics.get_err_counter(self.kp4_error)
+ )
+
+ # send a handshake response and expect a keepalive message
+ rxs = self.send_and_expect(self.pg1, [resp], self.pg1)
+
+ # verify the keepalive message
+ b = peer_1.decrypt_transport(rxs[0])
+ self.assertEqual(0, len(b))
+
+ # send a packet that will be rewritten into the wg interface
+ # expect a data packet sent
+ rxs = self.send_and_expect(self.pg0, [p], self.pg1)
+
+ # verify the data packet
+ peer_1.validate_encapped(rxs, p)
+
+ # remove configs
+ r1.remove_vpp_config()
+ peer_1.remove_vpp_config()
+ wg0.remove_vpp_config()
+
@tag_fixme_ubuntu2204
@tag_fixme_debian11
@@ -2431,7 +2563,7 @@ class TestWgFIB(VppTestCase):
self.assertEqual(0, len(b))
# prepare and send a packet that will be rewritten into the wg interface
- # expect a data packet sent to the new endpoint
+ # expect a data packet sent
p = (
Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
/ IP(src=self.pg0.remote_ip4, dst="10.11.3.2")