From 6bd976a0ac33a21cc09fdd377b888e6a6eab178e Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Sun, 18 Oct 2020 14:36:25 +0200
Subject: smoketest: openvpn: add initial client test

---
 smoketest/scripts/cli/test_interfaces_openvpn.py | 97 ++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100755 smoketest/scripts/cli/test_interfaces_openvpn.py

diff --git a/smoketest/scripts/cli/test_interfaces_openvpn.py b/smoketest/scripts/cli/test_interfaces_openvpn.py
new file mode 100755
index 000000000..0ac91c170
--- /dev/null
+++ b/smoketest/scripts/cli/test_interfaces_openvpn.py
@@ -0,0 +1,97 @@
+#!/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 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))
+
+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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