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-rwxr-xr-xsmoketest/scripts/cli/test_interfaces_openvpn.py204
1 files changed, 166 insertions, 38 deletions
diff --git a/smoketest/scripts/cli/test_interfaces_openvpn.py b/smoketest/scripts/cli/test_interfaces_openvpn.py
index 2af07a579..43d300de1 100755
--- a/smoketest/scripts/cli/test_interfaces_openvpn.py
+++ b/smoketest/scripts/cli/test_interfaces_openvpn.py
@@ -17,6 +17,7 @@
import os
import unittest
+from ipaddress import IPv4Network
from netifaces import interfaces
from vyos.configsession import ConfigSession
@@ -28,72 +29,199 @@ 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'
+ca_cert = '/config/auth/ovpn_test_ca.pem'
+ssl_cert = '/config/auth/ovpn_test_server.pem'
ssl_key = '/config/auth/ovpn_test_server.key'
+dh_pem = '/config/auth/ovpn_test_dh.pem'
+s2s_key = '/config/auth/ovpn_test_site2site.key'
+
+remote_port = '1194'
+protocol = 'udp'
+path = []
+interface = ''
+remote_host = ''
class TestInterfacesOpenVPN(unittest.TestCase):
def setUp(self):
self.session = ConfigSession(os.getpid())
+ self.session.set(['interfaces', 'dummy', 'dum1328', 'address', '192.0.2.1/24'])
def tearDown(self):
self.session.delete(base_path)
+ self.session.delete(['interfaces', 'dummy', 'dum1328'])
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])
+ def test_client_interfaces(self):
+ """ Create two OpenVPN client interfaces connecting to different
+ server IP addresses. Validate configuration afterwards. """
+
+ num_range = range(10, 12)
+ for ii in num_range:
+ interface = f'vtun{ii}'
+ remote_host = f'192.0.2.{ii}'
+ path = base_path + [interface]
+ auth_hash = 'sha1'
+
+ self.session.set(path + ['device-type', 'tun'])
+ self.session.set(path + ['encryption', 'cipher', 'aes256'])
+ self.session.set(path + ['hash', auth_hash])
+ 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()
+
+ for ii in num_range:
+ config_file = f'/run/openvpn/{interface}.conf'
+ config = read_file(config_file)
+
+ self.assertIn(f'dev {interface}', config)
+ self.assertIn(f'dev-type tun', config)
+ self.assertIn(f'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(f'persist-tun', config)
+ self.assertIn(f'auth {auth_hash}', config)
+ self.assertIn(f'cipher aes-256-cbc', config)
+ # TLS options
+ self.assertIn(f'ca {ca_cert}', config)
+ self.assertIn(f'cert {ssl_cert}', config)
+ self.assertIn(f'key {ssl_key}', config)
+
+ self.assertTrue(process_named_running(PROCESS_NAME))
+ self.assertIn(interface, interfaces())
+
+ def test_server_interfaces(self):
+ """ Create two OpenVPN server interfaces using different client subnets.
+ Validate configuration afterwards. """
+
+ auth_hash = 'sha256'
+ num_range = range(20, 22)
+ port = ''
+ for ii in num_range:
+ interface = f'vtun{ii}'
+ subnet = f'192.0.{ii}.0/24'
+ path = base_path + [interface]
+ port = str(2000 + ii)
+
+ self.session.set(path + ['device-type', 'tun'])
+ self.session.set(path + ['encryption', 'cipher', 'aes192'])
+ self.session.set(path + ['hash', auth_hash])
+ self.session.set(path + ['mode', 'server'])
+ self.session.set(path + ['local-port', port])
+ self.session.set(path + ['server', 'subnet', subnet])
+ 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.set(path + ['tls', 'dh-file', dh_pem])
self.session.commit()
- config_file = f'/run/openvpn/{interface}.conf'
- config = read_file(config_file)
+ for ii in num_range:
+ config_file = f'/run/openvpn/{interface}.conf'
+ config = read_file(config_file)
+
+ self.assertIn(f'dev {interface}', config)
+ self.assertIn(f'dev-type tun', config)
+ self.assertIn(f'persist-key', config)
+ self.assertIn(f'proto udp', config) # default protocol
+ self.assertIn(f'auth {auth_hash}', config)
+ self.assertIn(f'cipher aes-192-cbc', config)
+ self.assertIn(f'topology net30', config)
+ self.assertIn(f'lport {port}', config)
+
+ # TLS options
+ self.assertIn(f'ca {ca_cert}', config)
+ self.assertIn(f'cert {ssl_cert}', config)
+ self.assertIn(f'key {ssl_key}', config)
+ self.assertIn(f'dh {dh_pem}', config)
+
+ # IP pool configuration
+ netmask = IPv4Network(subnet).netmask
+ network = IPv4Network(subnet).network_address
+ self.assertIn(f'server {network} {netmask} nopool', config)
+
+ self.assertTrue(process_named_running(PROCESS_NAME))
+ self.assertIn(interface, interfaces())
+
+
+ def test_site2site_interfaces(self):
+ """
+ """
+ num_range = range(30, 32)
+ port = ''
+ local_address = ''
+ remote_address = ''
+
+ for ii in num_range:
+ interface = f'vtun{ii}'
+ local_address = f'192.0.{ii}.1'
+ remote_address = f'172.16.{ii}.1'
+ path = base_path + [interface]
+ port = str(3000 + ii)
+
+ self.session.set(path + ['mode', 'site-to-site'])
+ self.session.set(path + ['local-port', port])
+ self.session.set(path + ['local-address', local_address])
+ self.session.set(path + ['remote-port', port])
+ self.session.set(path + ['shared-secret-key-file', s2s_key])
+ self.session.set(path + ['remote-address', remote_address])
+
+ self.session.commit()
- 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)
+ for ii in num_range:
+ config_file = f'/run/openvpn/{interface}.conf'
+ config = read_file(config_file)
+
+ self.assertIn(f'dev {interface}', config)
+ self.assertIn(f'dev-type tun', config)
+ self.assertIn(f'secret {s2s_key}', config)
+ self.assertIn(f'lport {port}', config)
+ self.assertIn(f'rport {port}', config)
+ self.assertIn(f'ifconfig {local_address} {remote_address}', config)
+
+ self.assertTrue(process_named_running(PROCESS_NAME))
+ self.assertIn(interface, interfaces())
- 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):
+ if (not os.path.isfile(ssl_key) and not os.path.isfile(ssl_cert) and
+ not os.path.isfile(ca_cert) and not os.path.isfile(dh_pem) and
+ not os.path.isfile(s2s_key)):
+
# 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)
+ out = cmd(tmp)
+ print(out)
# Generate "CA"
- tmp = f'openssl req -new -x509 -key {ssl_key} -out {ca_cert} '\
- f'-subj {subject}'
- cmd(tmp)
+ tmp = f'openssl req -new -x509 -key {ssl_key} -out {ca_cert} -subj {subject}'
+ out = cmd(tmp)
+ print(out)
+
+ # Generate "DH" key
+ tmp = f'openssl dhparam -out {dh_pem} 2048'
+ out = cmd(tmp)
+ print(out)
+
+ # Generate site-2-site key
+ tmp = f'openvpn --genkey --secret {s2s_key}'
+ out = cmd(tmp)
+ print(out)
- for file in [ca_cert, ssl_cert, ssl_key]:
+ for file in [ca_cert, ssl_cert, ssl_key, dh_pem, s2s_key]:
cmd(f'sudo chown openvpn:openvpn {file}')
unittest.main()