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#!/usr/bin/env python3
#
# Copyright (C) 2020-2023 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import unittest
from base_vyostest_shim import VyOSUnitTestSHIM
from vyos.configsession import ConfigSessionError
# Generate WireGuard default keypair
if not os.path.isdir('/config/auth/wireguard/default'):
os.system('sudo /usr/libexec/vyos/op_mode/wireguard.py --genkey')
base_path = ['interfaces', 'wireguard']
class WireGuardInterfaceTest(VyOSUnitTestSHIM.TestCase):
def setUp(self):
self._test_addr = ['192.0.2.1/26', '192.0.2.255/31', '192.0.2.64/32',
'2001:db8:1::ffff/64', '2001:db8:101::1/112']
self._interfaces = ['wg0', 'wg1']
def tearDown(self):
self.cli_delete(base_path)
self.cli_commit()
def test_wireguard_peer(self):
# Create WireGuard interfaces with associated peers
for intf in self._interfaces:
peer = 'foo-' + intf
psk = 'u2xdA70hkz0S1CG0dZlOh0aq2orwFXRIVrKo4DCvHgM='
pubkey = 'n6ZZL7ph/QJUJSUUTyu19c77my1dRCDHkMzFQUO9Z3A='
for addr in self._test_addr:
self.cli_set(base_path + [intf, 'address', addr])
self.cli_set(base_path + [intf, 'peer', peer, 'address', '127.0.0.1'])
self.cli_set(base_path + [intf, 'peer', peer, 'port', '1337'])
# Allow different prefixes to traverse the tunnel
allowed_ips = ['10.0.0.0/8', '172.16.0.0/12', '192.168.0.0/16']
for ip in allowed_ips:
self.cli_set(base_path + [intf, 'peer', peer, 'allowed-ips', ip])
self.cli_set(base_path + [intf, 'peer', peer, 'preshared-key', psk])
self.cli_set(base_path + [intf, 'peer', peer, 'pubkey', pubkey])
self.cli_commit()
self.assertTrue(os.path.isdir(f'/sys/class/net/{intf}'))
def test_wireguard_add_remove_peer(self):
# T2939: Create WireGuard interfaces with associated peers.
# Remove one of the configured peers.
interface = 'wg0'
port = '12345'
pubkey_1 = 'n1CUsmR0M2LUUsyicBd6blZICwUqqWWHbu4ifZ2/9gk='
pubkey_2 = 'ebFx/1G0ti8tvuZd94sEIosAZZIznX+dBAKG/8DFm0I='
self.cli_set(base_path + [interface, 'address', '172.16.0.1/24'])
self.cli_set(base_path + [interface, 'peer', 'PEER01', 'pubkey', pubkey_1])
self.cli_set(base_path + [interface, 'peer', 'PEER01', 'port', port])
self.cli_set(base_path + [interface, 'peer', 'PEER01', 'allowed-ips', '10.205.212.10/32'])
self.cli_set(base_path + [interface, 'peer', 'PEER01', 'address', '192.0.2.1'])
self.cli_set(base_path + [interface, 'peer', 'PEER02', 'pubkey', pubkey_2])
self.cli_set(base_path + [interface, 'peer', 'PEER02', 'port', port])
self.cli_set(base_path + [interface, 'peer', 'PEER02', 'allowed-ips', '10.205.212.11/32'])
self.cli_set(base_path + [interface, 'peer', 'PEER02', 'address', '192.0.2.2'])
# Commit peers
self.cli_commit()
self.assertTrue(os.path.isdir(f'/sys/class/net/{interface}'))
# Delete second peer
self.cli_delete(base_path + [interface, 'peer', 'PEER01'])
self.cli_commit()
def test_wireguard_same_public_key(self):
# T5413: Test prevention of using peer own public key.
interface = 'wg0'
port = '12345'
pubkey_ok = 'ebFx/1G0ti8tvuZd94sEIosAZZIznX+dBAKG/8DFm0I='
public_key_path = f'/config/auth/wireguard/default/public.key'
with open(public_key_path, 'r') as file:
pubkey_fail = file.read().rstrip()
self.cli_set(base_path + [interface, 'address', '172.16.0.1/24'])
self.cli_set(base_path + [interface, 'private-key', 'default'])
self.cli_set(
base_path + [interface, 'peer', 'PEER01', 'pubkey', pubkey_fail])
self.cli_set(base_path + [interface, 'peer', 'PEER01', 'port', port])
self.cli_set(base_path + [interface, 'peer', 'PEER01', 'allowed-ips',
'10.205.212.10/32'])
self.cli_set(
base_path + [interface, 'peer', 'PEER01', 'address', '192.0.2.1'])
# The same pubkey as the interface wg0
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_set(
base_path + [interface, 'peer', 'PEER01', 'pubkey', pubkey_ok])
# Commit peers
self.cli_commit()
self.assertTrue(os.path.isdir(f'/sys/class/net/{interface}'))
if __name__ == '__main__':
unittest.main(verbosity=2)
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