0x1998 - MANAGER

Düzenlenen Dosya: config_service.py

# -*- coding: utf-8 -*-
#
# Copyright (C) 2010-2016 Red Hat, Inc.
#
# Authors:
# Thomas Woerner <twoerner@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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/>.

# 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
from firewall import errors
from firewall.errors import FirewallError

############################################################################
#
# class FirewallDConfig
#
############################################################################

class FirewallDConfigService(slip.dbus.service.Object):
    """FirewallD main class"""

persistent = True
    """ Make FirewallD persistent. """
    default_polkit_auth_required = config.dbus.PK_ACTION_CONFIG
    """ Use PK_ACTION_INFO as a default """

@handle_exceptions
    def __init__(self, parent, conf, service, item_id, *args, **kwargs):
        super(FirewallDConfigService, self).__init__(*args, **kwargs)
        self.parent = parent
        self.config = conf
        self.obj = service
        self.item_id = item_id
        self.busname = args[0]
        self.path = args[1]
        self._log_prefix = "config.service.%d" % self.item_id
        dbus_introspection_prepare_properties(
            self, config.dbus.DBUS_INTERFACE_CONFIG_SERVICE)

@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): # pylint: disable=W0613
        # 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_SERVICE:
            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): # pylint: disable=W0613
        interface_name = dbus_to_python(interface_name, str)
        log.debug1("%s.GetAll('%s')", self._log_prefix, 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)

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): # pylint: disable=W0613
        log.debug2("%s.Introspect()", self._log_prefix)

data = super(FirewallDConfigService, self).Introspect(
            self.path, self.busname.get_bus())

return dbus_introspection_add_properties(
            self, data, config.dbus.DBUS_INTERFACE_CONFIG_SERVICE)

# S E T T I N G S

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         out_signature='(sssa(ss)asa{ss}asa(ss))')
    @dbus_handle_exceptions
    def getSettings(self, sender=None): # pylint: disable=W0613
        """get settings for service
        """
        log.debug1("%s.getSettings()", self._log_prefix)
        return self.config.get_service_config(self.obj)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         out_signature='a{sv}')
    @dbus_handle_exceptions
    def getSettings2(self, sender=None):
        """get settings for service
        """
        log.debug1("%s.getSettings2()", self._log_prefix)
        return self.config.get_service_config_dict(self.obj)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='(sssa(ss)asa{ss}asa(ss))')
    @dbus_handle_exceptions
    def update(self, settings, sender=None):
        """update settings for service
        """
        settings = dbus_to_python(settings)
        log.debug1("%s.update('...')", self._log_prefix)
        self.parent.accessCheck(sender)
        self.obj = self.config.set_service_config(self.obj, settings)
        self.Updated(self.obj.name)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='a{sv}')
    @dbus_handle_exceptions
    def update2(self, settings, sender=None):
        settings = dbus_to_python(settings)
        log.debug1("%s.update2('...')", self._log_prefix)
        self.parent.accessCheck(sender)
        self.obj = self.config.set_service_config_dict(self.obj, settings)
        self.Updated(self.obj.name)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE)
    @dbus_handle_exceptions
    def loadDefaults(self, sender=None):
        """load default settings for builtin service
        """
        log.debug1("%s.loadDefaults()", self._log_prefix)
        self.parent.accessCheck(sender)
        self.obj = self.config.load_service_defaults(self.obj)
        self.Updated(self.obj.name)

@dbus.service.signal(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         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_SERVICE)
    @dbus_handle_exceptions
    def remove(self, sender=None):
        """remove service
        """
        log.debug1("%s.removeService()", self._log_prefix)
        self.parent.accessCheck(sender)
        self.config.remove_service(self.obj)
        self.parent.removeService(self.obj)

@dbus.service.signal(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         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_SERVICE,
                         in_signature='s')
    @dbus_handle_exceptions
    def rename(self, name, sender=None):
        """rename service
        """
        name = dbus_to_python(name, str)
        log.debug1("%s.rename('%s')", self._log_prefix, name)
        self.parent.accessCheck(sender)
        self.obj = self.config.rename_service(self.obj, name)
        self.Renamed(name)

@dbus.service.signal(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         signature='s')
    @dbus_handle_exceptions
    def Renamed(self, name):
        log.debug1("%s.Renamed('%s')" % (self._log_prefix, name))

# version

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         out_signature='s')
    @dbus_handle_exceptions
    def getVersion(self, sender=None): # pylint: disable=W0613
        log.debug1("%s.getVersion()", self._log_prefix)
        return self.getSettings()[0]

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s')
    @dbus_handle_exceptions
    def setVersion(self, version, sender=None):
        version = dbus_to_python(version, str)
        log.debug1("%s.setVersion('%s')", self._log_prefix, version)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        settings[0] = version
        self.update(settings)

# short

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         out_signature='s')
    @dbus_handle_exceptions
    def getShort(self, sender=None): # pylint: disable=W0613
        log.debug1("%s.getShort()", self._log_prefix)
        return self.getSettings()[1]

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s')
    @dbus_handle_exceptions
    def setShort(self, short, sender=None):
        short = dbus_to_python(short, str)
        log.debug1("%s.setShort('%s')", self._log_prefix, short)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        settings[1] = short
        self.update(settings)

# description

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         out_signature='s')
    @dbus_handle_exceptions
    def getDescription(self, sender=None): # pylint: disable=W0613
        log.debug1("%s.getDescription()", self._log_prefix)
        return self.getSettings()[2]

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s')
    @dbus_handle_exceptions
    def setDescription(self, description, sender=None):
        description = dbus_to_python(description, str)
        log.debug1("%s.setDescription('%s')", self._log_prefix,
                   description)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        settings[2] = description
        self.update(settings)

# port

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         out_signature='a(ss)')
    @dbus_handle_exceptions
    def getPorts(self, sender=None): # pylint: disable=W0613
        log.debug1("%s.getPorts()", self._log_prefix)
        return self.getSettings()[3]

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='a(ss)')
    @dbus_handle_exceptions
    def setPorts(self, ports, sender=None):
        _ports = [ ]
        # convert embedded lists to tuples
        for port in dbus_to_python(ports, list):
            if isinstance(port, list):
                _ports.append(tuple(port))
            else:
                _ports.append(port)
        ports = _ports
        log.debug1("%s.setPorts('[%s]')", self._log_prefix,
                   ",".join("('%s, '%s')" % (port[0], port[1]) for port in ports))
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        settings[3] = ports
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='ss')
    @dbus_handle_exceptions
    def addPort(self, port, protocol, sender=None):
        port = dbus_to_python(port, str)
        protocol = dbus_to_python(protocol, str)
        log.debug1("%s.addPort('%s', '%s')", self._log_prefix, port,
                   protocol)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        if (port,protocol) in settings[3]:
            raise FirewallError(errors.ALREADY_ENABLED,
                                "%s:%s" % (port, protocol))
        settings[3].append((port,protocol))
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='ss')
    @dbus_handle_exceptions
    def removePort(self, port, protocol, sender=None):
        port = dbus_to_python(port, str)
        protocol = dbus_to_python(protocol, str)
        log.debug1("%s.removePort('%s', '%s')", self._log_prefix, port,
                   protocol)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        if (port,protocol) not in settings[3]:
            raise FirewallError(errors.NOT_ENABLED, "%s:%s" % (port, protocol))
        settings[3].remove((port,protocol))
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='ss', out_signature='b')
    @dbus_handle_exceptions
    def queryPort(self, port, protocol, sender=None): # pylint: disable=W0613
        port = dbus_to_python(port, str)
        protocol = dbus_to_python(protocol, str)
        log.debug1("%s.queryPort('%s', '%s')", self._log_prefix, port,
                   protocol)
        return (port,protocol) in self.getSettings()[3]

# protocol

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         out_signature='as')
    @dbus_handle_exceptions
    def getProtocols(self, sender=None): # pylint: disable=W0613
        log.debug1("%s.getProtocols()", self._log_prefix)
        return self.getSettings()[6]

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='as')
    @dbus_handle_exceptions
    def setProtocols(self, protocols, sender=None):
        protocols = dbus_to_python(protocols, list)
        log.debug1("%s.setProtocols('[%s]')", self._log_prefix,
                   ",".join(protocols))
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        settings[6] = protocols
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s')
    @dbus_handle_exceptions
    def addProtocol(self, protocol, sender=None):
        protocol = dbus_to_python(protocol, str)
        log.debug1("%s.addProtocol('%s')", self._log_prefix, protocol)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        if protocol in settings[6]:
            raise FirewallError(errors.ALREADY_ENABLED, protocol)
        settings[6].append(protocol)
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s')
    @dbus_handle_exceptions
    def removeProtocol(self, protocol, sender=None):
        protocol = dbus_to_python(protocol, str)
        log.debug1("%s.removeProtocol('%s')", self._log_prefix, protocol)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        if protocol not in settings[6]:
            raise FirewallError(errors.NOT_ENABLED, protocol)
        settings[6].remove(protocol)
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s', out_signature='b')
    @dbus_handle_exceptions
    def queryProtocol(self, protocol, sender=None): # pylint: disable=W0613
        protocol = dbus_to_python(protocol, str)
        log.debug1("%s.queryProtocol(%s')", self._log_prefix, protocol)
        return protocol in self.getSettings()[6]

# source port

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         out_signature='a(ss)')
    @dbus_handle_exceptions
    def getSourcePorts(self, sender=None): # pylint: disable=W0613
        log.debug1("%s.getSourcePorts()", self._log_prefix)
        return self.getSettings()[7]

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='a(ss)')
    @dbus_handle_exceptions
    def setSourcePorts(self, ports, sender=None):
        _ports = [ ]
        # convert embedded lists to tuples
        for port in dbus_to_python(ports, list):
            if isinstance(port, list):
                _ports.append(tuple(port))
            else:
                _ports.append(port)
        ports = _ports
        log.debug1("%s.setSourcePorts('[%s]')", self._log_prefix,
                   ",".join("('%s, '%s')" % (port[0], port[1]) for port in ports))
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        settings[7] = ports
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='ss')
    @dbus_handle_exceptions
    def addSourcePort(self, port, protocol, sender=None):
        port = dbus_to_python(port, str)
        protocol = dbus_to_python(protocol, str)
        log.debug1("%s.addSourcePort('%s', '%s')", self._log_prefix, port,
                   protocol)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        if (port,protocol) in settings[7]:
            raise FirewallError(errors.ALREADY_ENABLED,
                                "%s:%s" % (port, protocol))
        settings[7].append((port,protocol))
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='ss')
    @dbus_handle_exceptions
    def removeSourcePort(self, port, protocol, sender=None):
        port = dbus_to_python(port, str)
        protocol = dbus_to_python(protocol, str)
        log.debug1("%s.removeSourcePort('%s', '%s')", self._log_prefix, port,
                   protocol)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        if (port,protocol) not in settings[7]:
            raise FirewallError(errors.NOT_ENABLED, "%s:%s" % (port, protocol))
        settings[7].remove((port,protocol))
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='ss', out_signature='b')
    @dbus_handle_exceptions
    def querySourcePort(self, port, protocol, sender=None): # pylint: disable=W0613
        port = dbus_to_python(port, str)
        protocol = dbus_to_python(protocol, str)
        log.debug1("%s.querySourcePort('%s', '%s')", self._log_prefix, port,
                   protocol)
        return (port,protocol) in self.getSettings()[7]

# module

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         out_signature='as')
    @dbus_handle_exceptions
    def getModules(self, sender=None): # pylint: disable=W0613
        log.debug1("%s.getModules()", self._log_prefix)
        return self.getSettings()[4]

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='as')
    @dbus_handle_exceptions
    def setModules(self, modules, sender=None):
        modules = dbus_to_python(modules, list)
        _modules = [ ]
        for module in modules:
            if module.startswith("nf_conntrack_"):
                module = module.replace("nf_conntrack_", "")
                if "_" in module:
                    module = module.replace("_", "-")
            _modules.append(module)
        modules = _modules
        log.debug1("%s.setModules('[%s]')", self._log_prefix,
                   ",".join(modules))
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        settings[4] = modules
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s')
    @dbus_handle_exceptions
    def addModule(self, module, sender=None):
        module = dbus_to_python(module, str)
        if module.startswith("nf_conntrack_"):
            module = module.replace("nf_conntrack_", "")
            if "_" in module:
                module = module.replace("_", "-")
        log.debug1("%s.addModule('%s')", self._log_prefix, module)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        if module in settings[4]:
            raise FirewallError(errors.ALREADY_ENABLED, module)
        settings[4].append(module)
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s')
    @dbus_handle_exceptions
    def removeModule(self, module, sender=None):
        module = dbus_to_python(module, str)
        if module.startswith("nf_conntrack_"):
            module = module.replace("nf_conntrack_", "")
            if "_" in module:
                module = module.replace("_", "-")
        log.debug1("%s.removeModule('%s')", self._log_prefix, module)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        if module not in settings[4]:
            raise FirewallError(errors.NOT_ENABLED, module)
        settings[4].remove(module)
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s', out_signature='b')
    @dbus_handle_exceptions
    def queryModule(self, module, sender=None): # pylint: disable=W0613
        module = dbus_to_python(module, str)
        if module.startswith("nf_conntrack_"):
            module = module.replace("nf_conntrack_", "")
            if "_" in module:
                module = module.replace("_", "-")
        log.debug1("%s.queryModule('%s')", self._log_prefix, module)
        return module in self.getSettings()[4]

# destination

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         out_signature='a{ss}')
    @dbus_handle_exceptions
    def getDestinations(self, sender=None): # pylint: disable=W0613
        log.debug1("%s.getDestinations()", self._log_prefix)
        return self.getSettings()[5]

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='a{ss}')
    @dbus_handle_exceptions
    def setDestinations(self, destinations, sender=None):
        destinations = dbus_to_python(destinations, dict)
        log.debug1("%s.setDestinations({ipv4:'%s', ipv6:'%s'})",
                   self._log_prefix, destinations.get('ipv4'),
                   destinations.get('ipv6'))
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        settings[5] = destinations
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s', out_signature='s')
    @dbus_handle_exceptions
    def getDestination(self, family, sender=None):
        family = dbus_to_python(family, str)
        log.debug1("%s.getDestination('%s')", self._log_prefix,
                   family)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        if family not in settings[5]:
            raise FirewallError(errors.NOT_ENABLED, family)
        return settings[5][family]

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='ss')
    @dbus_handle_exceptions
    def setDestination(self, family, address, sender=None):
        family = dbus_to_python(family, str)
        address = dbus_to_python(address, str)
        log.debug1("%s.setDestination('%s', '%s')", self._log_prefix,
                   family, address)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        if family in settings[5] and settings[5][family] == address:
            raise FirewallError(errors.ALREADY_ENABLED,
                                "'%s': '%s'" % (family, address))
        settings[5][family] = address
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s')
    @dbus_handle_exceptions
    def removeDestination(self, family, sender=None):
        family = dbus_to_python(family, str)
        log.debug1("%s.removeDestination('%s')", self._log_prefix,
                   family)
        self.parent.accessCheck(sender)
        settings = list(self.getSettings())
        if family not in settings[5]:
            raise FirewallError(errors.NOT_ENABLED, family)
        del settings[5][family]
        self.update(settings)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='ss', out_signature='b')
    @dbus_handle_exceptions
    def queryDestination(self, family, address, sender=None): # pylint: disable=W0613
        family = dbus_to_python(family, str)
        address = dbus_to_python(address, str)
        log.debug1("%s.queryDestination('%s', '%s')", self._log_prefix,
                   family, address)
        settings = self.getSettings()
        return (family in settings[5] and
                address == settings[5][family])

# includes

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         out_signature='as')
    @dbus_handle_exceptions
    def getIncludes(self, sender=None):
        log.debug1("%s.getIncludes()", self._log_prefix)
        self.parent.accessCheck(sender)
        settings = self.config.get_service_config_dict(self.obj)
        return settings["includes"] if "includes" in settings else []

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='as')
    @dbus_handle_exceptions
    def setIncludes(self, includes, sender=None):
        includes = dbus_to_python(includes, list)
        log.debug1("%s.setIncludes('%s')", self._log_prefix, includes)
        self.parent.accessCheck(sender)
        settings = {"includes": includes[:]}
        self.obj = self.config.set_service_config_dict(self.obj, settings)
        self.Updated(self.obj.name)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s')
    @dbus_handle_exceptions
    def addInclude(self, include, sender=None):
        include = dbus_to_python(include, str)
        log.debug1("%s.addInclude('%s')", self._log_prefix, include)
        self.parent.accessCheck(sender)
        settings = self.config.get_service_config_dict(self.obj)
        settings.setdefault("includes", []).append(include)
        self.obj = self.config.set_service_config_dict(self.obj, settings)
        self.Updated(self.obj.name)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s')
    @dbus_handle_exceptions
    def removeInclude(self, include, sender=None):
        include = dbus_to_python(include, str)
        log.debug1("%s.removeInclude('%s')", self._log_prefix, include)
        self.parent.accessCheck(sender)
        settings = self.config.get_service_config_dict(self.obj)
        settings["includes"].remove(include)
        self.obj = self.config.set_service_config_dict(self.obj, settings)
        self.Updated(self.obj.name)

@dbus_service_method(config.dbus.DBUS_INTERFACE_CONFIG_SERVICE,
                         in_signature='s', out_signature='b')
    @dbus_handle_exceptions
    def queryInclude(self, include, sender=None):
        include = dbus_to_python(include, str)
        log.debug1("%s.queryInclude('%s')", self._log_prefix, include)
        settings = self.config.get_service_config_dict(self.obj)
        return include in settings["includes"] if "includes" in settings else False

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