Add support for importing profile to the Config Manager

This adds a new ConfigImport class which imports the downloaded profile
into the configuration manager, where it sets a couple of reasonable
defaults on the configuration profile.

Signed-off-by: David Sommerseth <[email protected]>

openvpn/connector/configmgr.py

@@ -0,0 +1,56 @@
+#  OpenVPN Connector Setup
+#      - Configure OpenVPN 3 Linux for OpenVPN Cloud
+#
+#  Copyright (C) 2022         OpenVPN Inc. <[email protected]>
+#  Copyright (C) 2022         David Sommerseth <[email protected]>
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU Affero General Public License as
+#  published by the Free Software Foundation, version 3 of the
+#  License.
+#
+#  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 Affero General Public License for more details.
+#
+#  You should have received a copy of the GNU Affero General Public License
+#  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+
+import os
+import dbus
+from openvpn3 import ConfigurationManager
+
+class ConfigImport(object):
+    def __init__(self, systembus, cfgname):
+        self.__system_bus = systembus
+        self.__cfgmgr = ConfigurationManager(self.__system_bus)
+        self.__config_name = cfgname.replace(' ', '')
+        self._cfgobj = None
+
+
+    def GetConfigName(self):
+        return self.__config_name
+
+
+    def Import(self, profile):
+        print('Importing VPN configuration profile "%s" ... ' % self.__config_name,
+              end='', flush=True)
+        self._cfgobj = self.__cfgmgr.Import(self.__config_name,
+                                             profile.GetProfile(),
+                                             False, True)
+        self._cfgobj.SetProperty('locked_down', True)
+        self._cfgobj.SetOverride('persist-tun', True)
+        self._cfgobj.SetOverride('log-level', '5')
+        print('Done')
+        if 'OPENVPN_CLOUD_DEBUG' in os.environ:
+            print('Configuration path: %s' % self._cfgobj.GetPath())
+
+
+    def EnableOwnershipTransfer(self):
+        print('Granting root user access to profile ... ', end='', flush=True)
+        self._cfgobj.SetProperty('transfer_owner_session', True)
+        self._cfgobj.AccessGrant(0)
+        print('Done')
+