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# -*- 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))