<h2>File Contents: //lib/python3.6/site-packages/firewall/server/config_policy.py</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='//lib/python3.6/site-packages/firewall/server/config_policy.py'><textarea name='file_content' rows='10' cols='50'># -*- 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 = &quot;config.policy.%d&quot; % 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 == &quot;name&quot;:
            return dbus.String(self.obj.name)
        elif property_name == &quot;filename&quot;:
            return dbus.String(self.obj.filename)
        elif property_name == &quot;path&quot;:
            return dbus.String(self.obj.path)
        elif property_name == &quot;default&quot;:
            return dbus.Boolean(self.obj.default)
        elif property_name == &quot;builtin&quot;:
            return dbus.Boolean(self.obj.builtin)
        else:
            raise dbus.exceptions.DBusException(
                &quot;org.freedesktop.DBus.Error.InvalidArgs: &quot;
                &quot;Property '%s' does not exist&quot; % 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(&quot;%s.Get('%s', '%s')&quot;, self._log_prefix,
                   interface_name, property_name)

        if interface_name != config.dbus.DBUS_INTERFACE_CONFIG_POLICY:
            raise dbus.exceptions.DBusException(
                &quot;org.freedesktop.DBus.Error.UnknownInterface: &quot;
                &quot;Interface '%s' does not exist&quot; % 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(&quot;%s.GetAll('%s')&quot;, self._log_prefix, interface_name)

        if interface_name != config.dbus.DBUS_INTERFACE_CONFIG_POLICY:
            raise dbus.exceptions.DBusException(
                &quot;org.freedesktop.DBus.Error.UnknownInterface: &quot;
                &quot;Interface '%s' does not exist&quot; % interface_name)

        ret = { }
        for x in [ &quot;name&quot;, &quot;filename&quot;, &quot;path&quot;, &quot;default&quot;, &quot;builtin&quot; ]:
            ret[x] = self._get_property(x)
        return dbus.Dictionary(ret, signature=&quot;sv&quot;)

    @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(&quot;%s.Set('%s', '%s', '%s')&quot;, 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(
                &quot;org.freedesktop.DBus.Error.UnknownInterface: &quot;
                &quot;Interface '%s' does not exist&quot; % interface_name)

        raise dbus.exceptions.DBusException(
            &quot;org.freedesktop.DBus.Error.PropertyReadOnly: &quot;
            &quot;Property '%s' is read-only&quot; % 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(&quot;%s.PropertiesChanged('%s', '%s', '%s')&quot;, 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(&quot;%s.Introspect()&quot;, 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=&quot;a{sv}&quot;)
    @dbus_handle_exceptions
    def getSettings(self, sender=None):
        &quot;&quot;&quot;get settings for policy
        &quot;&quot;&quot;
        log.debug1(&quot;%s.getSettings()&quot;, 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=&quot;a{sv}&quot;)
    @dbus_handle_exceptions
    def update(self, settings, sender=None):
        &quot;&quot;&quot;update settings for policy
        &quot;&quot;&quot;
        settings = dbus_to_python(settings)
        log.debug1(&quot;%s.update('...')&quot;, 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):
        &quot;&quot;&quot;load default settings for builtin policy
        &quot;&quot;&quot;
        log.debug1(&quot;%s.loadDefaults()&quot;, 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(&quot;%s.Updated('%s')&quot; % (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):
        &quot;&quot;&quot;remove policy
        &quot;&quot;&quot;
        log.debug1(&quot;%s.removePolicy()&quot;, 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(&quot;%s.Removed('%s')&quot; % (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):
        &quot;&quot;&quot;rename policy
        &quot;&quot;&quot;
        name = dbus_to_python(name, str)
        log.debug1(&quot;%s.rename('%s')&quot;, 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(&quot;%s.Renamed('%s')&quot; % (self._log_prefix, name))
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