name : config_policy.py # -*- coding: utf-8 -*- # # SPDX-License-Identifier: GPL-2.0-or-later # force use of pygobject3 in python-slip from gi.repository import GObject import sys sys.modules['gobject'] = GObject import dbus import dbus.service import slip.dbus import slip.dbus.service from firewall import config from firewall.dbus_utils import dbus_to_python, \ dbus_introspection_prepare_properties, \ dbus_introspection_add_properties from firewall.core.logger import log from firewall.server.decorators import handle_exceptions, \ dbus_handle_exceptions, dbus_service_method class FirewallDConfigPolicy(slip.dbus.service.Object): persistent = True default_polkit_auth_required = config.dbus.PK_ACTION_CONFIG @handle_exceptions def __init__(self, parent, conf, policy, item_id, *args, **kwargs): super(FirewallDConfigPolicy, self).__init__(*args, **kwargs) self.parent = parent self.config = conf self.obj = policy self.item_id = item_id self.busname = args[0] self.path = args[1] self._log_prefix = "config.policy.%d" % self.item_id dbus_introspection_prepare_properties( self, config.dbus.DBUS_INTERFACE_CONFIG_POLICY) @dbus_handle_exceptions def __del__(self): pass @dbus_handle_exceptions def unregister(self): self.remove_from_connection() # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # P R O P E R T I E S @dbus_handle_exceptions def _get_property(self, property_name): if property_name == "name": return dbus.String(self.obj.name) elif property_name == "filename": return dbus.String(self.obj.filename) elif property_name == "path": return dbus.String(self.obj.path) elif property_name == "default": return dbus.Boolean(self.obj.default) elif property_name == "builtin": return dbus.Boolean(self.obj.builtin) else: raise dbus.exceptions.DBusException( "org.freedesktop.DBus.Error.InvalidArgs: " "Property '%s' does not exist" % property_name) @dbus_service_method(dbus.PROPERTIES_IFACE, in_signature='ss', out_signature='v') @dbus_handle_exceptions def Get(self, interface_name, property_name, sender=None): # get a property interface_name = dbus_to_python(interface_name, str) property_name = dbus_to_python(property_name, str) log.debug1("%s.Get('%s', '%s')", self._log_prefix, interface_name, property_name) if interface_name != config.dbus.DBUS_INTERFACE_CONFIG_POLICY: raise dbus.exceptions.DBusException( "org.freedesktop.DBus.Error.UnknownInterface: " "Interface '%s' does not exist" % interface_name) return self._get_property(property_name) @dbus_service_method(dbus.PROPERTIES_IFACE, in_signature='s', out_signature='a{sv}') @dbus_handle_exceptions def GetAll(self, interface_name, sender=None): interface_name = dbus_to_python(interface_name, str) log.debug1("%s.GetAll('%s')", self._log_prefix, interface_name) if interface_name != config.dbus.DBUS_INTERFACE_CONFIG_POLICY: raise dbus.exceptions.DBusException( "org.freedesktop.DBus.Error.UnknownInterface: " "Interface '%s' does not exist" % interface_name) ret = { } for x in [ "name", "filename", "path", "default", "builtin" ]: ret[x] = self._get_property(x) return dbus.Dictionary(ret, signature="sv") @slip.dbus.polkit.require_auth(config.dbus.PK_ACTION_CONFIG) @dbus_service_method(dbus.PROPERTIES_IFACE, in_signature='ssv') @dbus_handle_exceptions def Set(self, interface_name, property_name, new_value, sender=None): interface_name = dbus_to_python(interface_name, str) property_name = dbus_to_python(property_name, str) new_value = dbus_to_python(new_value) log.debug1("%s.Set('%s', '%s', '%s')", self._log_prefix, interface_name, property_name, new_value) self.parent.accessCheck(sender) if interface_name != config.dbus.DBUS_INTERFACE_CONFIG_POLICY: raise dbus.exceptions.DBusException( "org.freedesktop.DBus.Error.UnknownInterface: " "Interface '%s' does not exist" % interface_name) raise dbus.exceptions.DBusException( "org.freedesktop.DBus.Error.PropertyReadOnly: " "Property '%s' is read-only" % property_name) @dbus.service.signal(dbus.PROPERTIES_IFACE, signature='sa{sv}as') def PropertiesChanged(self, interface_name, changed_properties, invalidated_properties): interface_name = dbus_to_python(interface_name, str) changed_properties = dbus_to_python(changed_properties) invalidated_properties = dbus_to_python(invalidated_properties) log.debug1("%s.PropertiesChanged('%s', '%s', '%s')", self._log_prefix, interface_name, changed_properties, invalidated_properties) @slip.dbus.polkit.require_auth(config.dbus.PK_ACTION_INFO) @dbus_service_method(dbus.INTROSPECTABLE_IFACE, out_signature='s') @dbus_handle_exceptions def Introspect(self, sender=None): log.debug2("%s.Introspect()", self._log_prefix) data = super(FirewallDConfigPolicy, self).Introspect( self.path, self.busname.get_bus()) return dbus_introspection_add_properties( self, data, config.dbus.DBUS_INTERFACE_CONFIG_POLICY) # S E T T I N G S @dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_POLICY, out_signature="a{sv}") @dbus_handle_exceptions def getSettings(self, sender=None): """get settings for policy """ log.debug1("%s.getSettings()", self._log_prefix) settings = self.config.get_policy_object_config_dict(self.obj) return settings @dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_POLICY, in_signature="a{sv}") @dbus_handle_exceptions def update(self, settings, sender=None): """update settings for policy """ settings = dbus_to_python(settings) log.debug1("%s.update('...')", self._log_prefix) self.parent.accessCheck(sender) self.obj = self.config.set_policy_object_config_dict(self.obj, settings) self.Updated(self.obj.name) @dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_POLICY) @dbus_handle_exceptions def loadDefaults(self, sender=None): """load default settings for builtin policy """ log.debug1("%s.loadDefaults()", self._log_prefix) self.parent.accessCheck(sender) self.obj = self.config.load_policy_object_defaults(self.obj) self.Updated(self.obj.name) @dbus.service.signal(config.dbus.DBUS_INTERFACE_CONFIG_POLICY, signature='s') @dbus_handle_exceptions def Updated(self, name): log.debug1("%s.Updated('%s')" % (self._log_prefix, name)) # R E M O V E @dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_POLICY) @dbus_handle_exceptions def remove(self, sender=None): """remove policy """ log.debug1("%s.removePolicy()", self._log_prefix) self.parent.accessCheck(sender) self.config.remove_policy_object(self.obj) self.parent.removePolicy(self.obj) @dbus.service.signal(config.dbus.DBUS_INTERFACE_CONFIG_POLICY, signature='s') @dbus_handle_exceptions def Removed(self, name): log.debug1("%s.Removed('%s')" % (self._log_prefix, name)) # R E N A M E @dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_POLICY, in_signature='s') @dbus_handle_exceptions def rename(self, name, sender=None): """rename policy """ name = dbus_to_python(name, str) log.debug1("%s.rename('%s')", self._log_prefix, name) self.parent.accessCheck(sender) self.obj = self.config.rename_policy_object(self.obj, name) self.Renamed(name) @dbus.service.signal(config.dbus.DBUS_INTERFACE_CONFIG_POLICY, signature='s') @dbus_handle_exceptions def Renamed(self, name): log.debug1("%s.Renamed('%s')" % (self._log_prefix, name))