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authorArtem Glazychev <artem.glazychev@xored.com>2021-06-11 00:10:00 +0700
committerEd Warnicke <hagbard@gmail.com>2021-10-06 21:32:33 +0000
commitdd630d15d3e9d13da9ed98d3171b9ec4529e4e66 (patch)
tree83b14e2ccf510b8296919b30825af28c81c49c34 /test
parent22efac3b537a3a1f0b57d5942bdb78c3190ce858 (diff)
wireguard: add events for peer
we can receive events from peer about its state: -WIREGUARD_PEER_STATUS_DEAD -WIREGUARD_PEER_ESTABLISHED Type: improvement Change-Id: Ide83fbe2cfafa79ded5bcf3f6a884c26a7583db0 Signed-off-by: Artem Glazychev <artem.glazychev@xored.com>
Diffstat (limited to 'test')
-rwxr-xr-xtest/test_wireguard.py144
1 files changed, 136 insertions, 8 deletions
diff --git a/test/test_wireguard.py b/test/test_wireguard.py
index 65ebd8d2c08..e844b1d5c0a 100755
--- a/test/test_wireguard.py
+++ b/test/test_wireguard.py
@@ -3,6 +3,7 @@
import datetime
import base64
+import os
from hashlib import blake2s
from scapy.packet import Packet
@@ -25,6 +26,7 @@ from vpp_ipip_tun_interface import VppIpIpTunInterface
from vpp_interface import VppInterface
from vpp_ip_route import VppIpRoute, VppRoutePath
from vpp_object import VppObject
+from vpp_papi import VppEnum
from framework import VppTestCase
from re import compile
import unittest
@@ -92,6 +94,19 @@ class VppWgInterface(VppInterface):
return True
return False
+ def want_events(self, peer_index=0xffffffff):
+ self.test.vapi.want_wireguard_peer_events(
+ enable_disable=1,
+ pid=os.getpid(),
+ sw_if_index=self._sw_if_index,
+ peer_index=peer_index)
+
+ def wait_events(self, expect, peers, timeout=5):
+ for i in range(len(peers)):
+ rv = self.test.vapi.wait_for_event(timeout, "wireguard_peer_event")
+ self.test.assertEqual(rv.peer_index, peers[i])
+ self.test.assertEqual(rv.flags, expect)
+
def __str__(self):
return self.object_id()
@@ -343,6 +358,18 @@ class VppWgPeer(VppObject):
self._test.assertEqual(rx[IPv6].dst, tx[IPv6].dst)
self._test.assertEqual(rx[IPv6].ttl, tx[IPv6].ttl-1)
+ def want_events(self):
+ self._test.vapi.want_wireguard_peer_events(
+ enable_disable=1,
+ pid=os.getpid(),
+ peer_index=self.index,
+ sw_if_index=self.itf.sw_if_index)
+
+ def wait_event(self, expect, timeout=5):
+ rv = self._test.vapi.wait_for_event(timeout, "wireguard_peer_event")
+ self._test.assertEqual(rv.flags, expect)
+ self._test.assertEqual(rv.peer_index, self.index)
+
class TestWg(VppTestCase):
""" Wireguard Test Case """
@@ -1176,6 +1203,107 @@ class TestWg(VppTestCase):
for i in wg_ifs:
i.remove_vpp_config()
+ def test_wg_event(self):
+ """ Test events """
+ port = 12600
+ ESTABLISHED_FLAG = VppEnum.\
+ vl_api_wireguard_peer_flags_t.\
+ WIREGUARD_PEER_ESTABLISHED
+ DEAD_FLAG = VppEnum.\
+ vl_api_wireguard_peer_flags_t.\
+ WIREGUARD_PEER_STATUS_DEAD
+
+ # Create interfaces
+ wg0 = VppWgInterface(self,
+ self.pg1.local_ip4,
+ port).add_vpp_config()
+ wg1 = VppWgInterface(self,
+ self.pg2.local_ip4,
+ port+1).add_vpp_config()
+ wg0.admin_up()
+ wg1.admin_up()
+
+ # Check peer counter
+ self.assertEqual(len(self.vapi.wireguard_peers_dump()), 0)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Create peers
+ NUM_PEERS = 2
+ self.pg2.generate_remote_hosts(NUM_PEERS)
+ self.pg2.configure_ipv4_neighbors()
+ self.pg1.generate_remote_hosts(NUM_PEERS)
+ self.pg1.configure_ipv4_neighbors()
+
+ peers_0 = []
+ peers_1 = []
+ routes_0 = []
+ routes_1 = []
+ for i in range(NUM_PEERS):
+ peers_0.append(VppWgPeer(self,
+ wg0,
+ self.pg1.remote_hosts[i].ip4,
+ port+1+i,
+ ["10.0.%d.4/32" % i]).add_vpp_config())
+ routes_0.append(VppIpRoute(self, "10.0.%d.4" % i, 32,
+ [VppRoutePath(self.pg1.remote_hosts[i].ip4,
+ wg0.sw_if_index)]).add_vpp_config())
+
+ peers_1.append(VppWgPeer(self,
+ wg1,
+ self.pg2.remote_hosts[i].ip4,
+ port+100+i,
+ ["10.100.%d.4/32" % i]).add_vpp_config())
+ routes_1.append(VppIpRoute(self, "10.100.%d.4" % i, 32,
+ [VppRoutePath(self.pg2.remote_hosts[i].ip4,
+ wg1.sw_if_index)]).add_vpp_config())
+
+ self.assertEqual(len(self.vapi.wireguard_peers_dump()), NUM_PEERS*2)
+
+ # Want events from the first perr of wg0
+ # and from all wg1 peers
+ peers_0[0].want_events()
+ wg1.want_events()
+
+ for i in range(NUM_PEERS):
+ # send a valid handsake init for which we expect a response
+ p = peers_0[i].mk_handshake(self.pg1)
+ rx = self.send_and_expect(self.pg1, [p], self.pg1)
+ peers_0[i].consume_response(rx[0])
+ if (i == 0):
+ peers_0[0].wait_event(ESTABLISHED_FLAG)
+
+ p = peers_1[i].mk_handshake(self.pg2)
+ rx = self.send_and_expect(self.pg2, [p], self.pg2)
+ peers_1[i].consume_response(rx[0])
+
+ wg1.wait_events(
+ ESTABLISHED_FLAG,
+ [peers_1[0].index, peers_1[1].index])
+
+ # remove routes
+ for r in routes_0:
+ r.remove_vpp_config()
+ for r in routes_1:
+ r.remove_vpp_config()
+
+ # remove peers
+ for i in range(NUM_PEERS):
+ self.assertTrue(peers_0[i].query_vpp_config())
+ peers_0[i].remove_vpp_config()
+ if (i == 0):
+ peers_0[i].wait_event(0)
+ peers_0[i].wait_event(DEAD_FLAG)
+ for p in peers_1:
+ self.assertTrue(p.query_vpp_config())
+ p.remove_vpp_config()
+ p.wait_event(0)
+ p.wait_event(DEAD_FLAG)
+
+ wg0.remove_vpp_config()
+ wg1.remove_vpp_config()
+
class WireguardHandoffTests(TestWg):
""" Wireguard Tests in multi worker setup """
@@ -1241,14 +1369,14 @@ class WireguardHandoffTests(TestWg):
# send packets into the tunnel, from the other worker
p = [(peer_1.mk_tunnel_header(self.pg1) /
- Wireguard(message_type=4, reserved_zero=0) /
- WireguardTransport(
- receiver_index=peer_1.sender,
- counter=ii+1,
- 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)]
+ Wireguard(message_type=4, reserved_zero=0) /
+ WireguardTransport(
+ receiver_index=peer_1.sender,
+ counter=ii+1,
+ 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, worker=1)