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test_interfaces_openvpn.py
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test_interfaces_openvpn.py
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#!/usr/bin/env python3
#
# Copyright (C) 2020 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 netifaces import interfaces
from vyos.configsession import ConfigSession
from vyos.configsession import ConfigSessionError
from vyos.util import cmd
from vyos.util import process_named_running
from vyos.util import read_file
PROCESS_NAME = 'openvpn'
base_path = ['interfaces', 'openvpn']
ca_cert = '/config/auth/ovpn_test_ca.crt'
ssl_cert = '/config/auth/ovpn_test_server.crt'
ssl_key = '/config/auth/ovpn_test_server.key'
class TestInterfacesOpenVPN(unittest.TestCase):
def setUp(self):
self.session = ConfigSession(os.getpid())
def tearDown(self):
self.session.delete(base_path)
self.session.commit()
del self.session
def test_client(self):
""" Basic OpenVPN client test """
interface = 'vtun10'
remote_host = '192.0.2.1'
remote_port = '1194'
protocol = 'udp'
path = base_path + [interface]
self.session.set(path + ['device-type', 'tun'])
self.session.set(path + ['encryption', 'cipher', 'aes256'])
self.session.set(path + ['hash', 'sha1'])
self.session.set(path + ['mode', 'client'])
self.session.set(path + ['persistent-tunnel'])
self.session.set(path + ['protocol', protocol])
self.session.set(path + ['remote-host', remote_host])
self.session.set(path + ['remote-port', remote_port])
self.session.set(path + ['tls', 'ca-cert-file', ca_cert])
self.session.set(path + ['tls', 'cert-file', ssl_cert])
self.session.set(path + ['tls', 'key-file', ssl_key])
self.session.commit()
config_file = f'/run/openvpn/{interface}.conf'
config = read_file(config_file)
self.assertIn(f'dev {interface}', config)
self.assertIn('dev-type tun', config)
self.assertIn('persist-key', config)
self.assertIn(f'proto {protocol}', config)
self.assertIn(f'rport {remote_port}', config)
self.assertIn(f'remote {remote_host}', config)
self.assertIn('persist-tun', config)
self.assertTrue(process_named_running(PROCESS_NAME))
self.assertIn(interface, interfaces())
if __name__ == '__main__':
# Our SSL certificates need a subject ...
subject = '/C=DE/ST=BY/O=VyOS/localityName=Cloud/commonName=vyos/' \
'organizationalUnitName=VyOS/emailAddress=maintainers@vyos.io/'
if not os.path.isfile(ssl_key) and not os.path.isfile(ssl_cert) and not os.path.isfile(ca_cert):
# Generate mandatory SSL certificate
tmp = f'openssl req -newkey rsa:4096 -new -nodes -x509 -days 3650 '\
f'-keyout {ssl_key} -out {ssl_cert} -subj {subject}'
cmd(tmp)
# Generate "CA"
tmp = f'openssl req -new -x509 -key {ssl_key} -out {ca_cert} '\
f'-subj {subject}'
cmd(tmp)
for file in [ca_cert, ssl_cert, ssl_key]:
cmd(f'sudo chown openvpn:openvpn {file}')
unittest.main()

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