diff options
Diffstat (limited to 'test/test_wireguard.py')
| -rw-r--r-- | test/test_wireguard.py | 95 |
1 files changed, 86 insertions, 9 deletions
diff --git a/test/test_wireguard.py b/test/test_wireguard.py index b12330ac5bb..80ebdd89aa6 100644 --- a/test/test_wireguard.py +++ b/test/test_wireguard.py @@ -375,12 +375,13 @@ class VppWgPeer(VppObject): if is_ip6 is False: self._test.assertEqual(p[IP].src, self.itf.src) self._test.assertEqual(p[IP].dst, self.endpoint) + self._test.assert_packet_checksums_valid(p) else: self._test.assertEqual(p[IPv6].src, self.itf.src) self._test.assertEqual(p[IPv6].dst, self.endpoint) + self._test.assert_packet_checksums_valid(p, False) self._test.assertEqual(p[UDP].sport, self.itf.port) self._test.assertEqual(p[UDP].dport, self.port) - self._test.assert_packet_checksums_valid(p) def consume_init(self, p, tx_itf, is_ip6=False, is_mac2=False): self.noise.set_as_responder() @@ -466,17 +467,16 @@ class VppWgPeer(VppObject): def encrypt_transport(self, p): return self.noise.encrypt(bytes(p)) - def validate_encapped(self, rxs, tx, is_ip6=False): + def validate_encapped(self, rxs, tx, is_tunnel_ip6=False, is_transport_ip6=False): for rx in rxs: - if is_ip6 is False: - rx = IP(self.decrypt_transport(rx, is_ip6=is_ip6)) - + rx = self.decrypt_transport(rx, is_tunnel_ip6) + if is_transport_ip6 is False: + rx = IP(rx) # check the original packet is present self._test.assertEqual(rx[IP].dst, tx[IP].dst) self._test.assertEqual(rx[IP].ttl, tx[IP].ttl - 1) else: - rx = IPv6(self.decrypt_transport(rx, is_ip6=is_ip6)) - + rx = IPv6(rx) # check the original packet is present self._test.assertEqual(rx[IPv6].dst, tx[IPv6].dst) self._test.assertEqual(rx[IPv6].hlim, tx[IPv6].hlim - 1) @@ -1222,7 +1222,7 @@ class TestWg(VppTestCase): rxs = self.send_and_expect(self.pg0, [p], self.pg1) # verify the data packet - peer_1.validate_encapped(rxs, p, is_ip6=is_ip6) + peer_1.validate_encapped(rxs, p, is_tunnel_ip6=is_ip6, is_transport_ip6=is_ip6) # remove configs r1.remove_vpp_config() @@ -1246,7 +1246,7 @@ class TestWg(VppTestCase): self._test_wg_peer_roaming_on_data_tmpl(is_async=True, is_ip6=True) def test_wg_peer_resp(self): - """Send handshake response""" + """Send handshake response IPv4 tunnel""" port = 12323 # Create interfaces @@ -1323,6 +1323,83 @@ class TestWg(VppTestCase): peer_1.remove_vpp_config() wg0.remove_vpp_config() + def test_wg_peer_resp_ipv6(self): + """Send handshake response IPv6 tunnel""" + port = 12323 + + # Create interfaces + wg0 = VppWgInterface(self, self.pg1.local_ip6, port).add_vpp_config() + wg0.admin_up() + wg0.config_ip4() + + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + peer_1 = VppWgPeer( + self, wg0, self.pg1.remote_ip6, port + 1, ["10.11.3.0/24"] + ).add_vpp_config() + self.assertEqual(len(self.vapi.wireguard_peers_dump()), 1) + + 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 + rx = self.pg1.get_capture(1, timeout=2) + + # consume the handshake in the noise protocol and + # generate the response + resp = peer_1.consume_init(rx[0], self.pg1, is_ip6=True) + + # send the response, get keepalive + rxs = self.send_and_expect(self.pg1, [resp], self.pg1) + + for rx in rxs: + b = peer_1.decrypt_transport(rx, True) + self.assertEqual(0, len(b)) + + # send a packets that are routed into the tunnel + 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(b"\x00" * 80) + ) + + rxs = self.send_and_expect(self.pg0, p * 2, self.pg1) + peer_1.validate_encapped(rxs, p, True) + + # send packets into the tunnel, expect to receive them on + # the other side + p = [ + ( + peer_1.mk_tunnel_header(self.pg1, True) + / Wireguard(message_type=4, reserved_zero=0) + / WireguardTransport( + receiver_index=peer_1.sender, + counter=ii, + encrypted_encapsulated_packet=peer_1.encrypt_transport( + ( + IP(src="10.11.3.1", dst=self.pg0.remote_ip4, ttl=20) + / UDP(sport=222, dport=223) + / Raw() + ) + ), + ) + ) + for ii in range(255) + ] + + rxs = self.send_and_expect(self.pg1, p, self.pg0) + + for rx in rxs: + self.assertEqual(rx[IP].dst, self.pg0.remote_ip4) + self.assertEqual(rx[IP].ttl, 19) + + r1.remove_vpp_config() + peer_1.remove_vpp_config() + wg0.remove_vpp_config() + def test_wg_peer_v4o4(self): """Test v4o4""" |