File: test-dbus.py

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#!/usr/bin/python3
# ----------------------------------------------------------------------
#    Copyright (C) 2015 Christian Boltz <apparmor@cboltz.de>
#
#    This program is free software; you can redistribute it and/or
#    modify it under the terms of version 2 of the GNU General Public
#    License as published by the Free Software Foundation.
#
#    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.
#
# ----------------------------------------------------------------------

import unittest
from collections import namedtuple

from apparmor.common import AppArmorBug, AppArmorException
from apparmor.logparser import ReadLog
from apparmor.rule.dbus import DbusRule, DbusRuleset
from apparmor.translations import init_translation
from common_test import AATest, setup_all_loops

_ = init_translation()

exp = namedtuple(
    'exp', ('audit', 'allow_keyword', 'deny', 'comment', 'access', 'all_access',
            'bus', 'all_buses', 'path', 'all_paths', 'name', 'all_names',
            'interface', 'all_interfaces', 'member', 'all_members',
            'peername', 'all_peernames', 'peerlabel', 'all_peerlabels'))


# --- tests for single DbusRule --- #

class DbusTest(AATest):
    def _compare_obj(self, obj, expected):
        self.assertEqual(obj.allow_keyword, expected.allow_keyword)
        self.assertEqual(obj.audit, expected.audit)
        self.assertEqual(obj.deny, expected.deny)
        self.assertEqual(obj.comment, expected.comment)

        self.assertEqual(obj.access, expected.access)
        self._assertEqual_aare(obj.bus, expected.bus)
        self._assertEqual_aare(obj.path, expected.path)
        self._assertEqual_aare(obj.name, expected.name)
        self._assertEqual_aare(obj.interface, expected.interface)
        self._assertEqual_aare(obj.member, expected.member)
        self._assertEqual_aare(obj.peername, expected.peername)
        self._assertEqual_aare(obj.peerlabel, expected.peerlabel)

        self.assertEqual(obj.all_access, expected.all_access)
        self.assertEqual(obj.all_buses, expected.all_buses)
        self.assertEqual(obj.all_paths, expected.all_paths)
        self.assertEqual(obj.all_names, expected.all_names)
        self.assertEqual(obj.all_interfaces, expected.all_interfaces)
        self.assertEqual(obj.all_members, expected.all_members)
        self.assertEqual(obj.all_peernames, expected.all_peernames)
        self.assertEqual(obj.all_peerlabels, expected.all_peerlabels)

    def _assertEqual_aare(self, obj, expected):
        if obj:
            self.assertEqual(obj.regex, expected)
        else:
            self.assertEqual(obj, expected)


class DbusTestParse(DbusTest):
    tests = (
        # DbusRule object                                   audit  allow  deny   comment   access               all?   bus        all?   path        all?   name           all?    interface  all?  member  all?  peername  all?   peerlabel  all?
        ('dbus,',                                       exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('dbus (   ),',                                 exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('dbus ( , ),',                                 exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('dbus send,',                                  exp(False, False, False, '',       {'send'},            False, None,      True,  None,       True,  None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('dbus (send, receive),',                       exp(False, False, False, '',       {'send', 'receive'}, False, None,      True,  None,       True,  None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('dbus send bus=session,',                      exp(False, False, False, '',       {'send'},            False, 'session', False, None,       True,  None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('deny dbus send bus="session", # cmt',         exp(False, False, True,  ' # cmt', {'send'},            False, 'session', False, None,       True,  None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('audit allow dbus peer=(label=foo),',          exp(True,  True,  False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, None,     True,  'foo',     False)),
        ('dbus bus=session path=/foo/bar,',             exp(False, False, False, '',       None,                True,  'session', False, '/foo/bar', False, None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('dbus send bus=(session),',                    exp(False, False, False, '',       {'send'},            False, 'session', False, None,       True,  None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('dbus name=(SomeService),',                    exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  'SomeService', False,  None,      True, None,   True, None,     True,  None,      True)),
        ('dbus send bus=session peer=(label="foo"),',   exp(False, False, False, '',       {'send'},            False, 'session', False, None,       True,  None,          True,   None,      True, None,   True, None,     True,  'foo',     False)),
        ('dbus send  bus = ( session ) , ',             exp(False, False, False, '',       {'send'},            False, 'session', False, None,       True,  None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('dbus path=/foo,',                             exp(False, False, False, '',       None,                True,   None,     True,  '/foo',     False, None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('dbus eavesdrop bus=session,',                 exp(False, False, False, '',       {'eavesdrop'},       False, 'session', False, None,       True,  None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('dbus peer=(name=foo label=bar),',             exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, 'foo',    False, 'bar',     False)),
        ('dbus peer=(  name = foo    label = bar  ),',  exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, 'foo',    False, 'bar',     False)),
        ('dbus peer=(  name = foo ,  label = bar  ),',  exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, 'foo',    False, 'bar',     False)),
        ('dbus peer=(, name = foo ,  label = bar ,),',  exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, 'foo',    False, 'bar',     False)),
        ('dbus peer=(  name = foo,   label = bar  ),',  exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, 'foo,',   False, 'bar',     False)),  # XXX peername includes the comma
        ('dbus peer=(label=bar name=foo),',             exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, 'foo',    False, 'bar',     False)),
        ('dbus peer=(  label = bar   name = foo  ),',   exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, 'foo',    False, 'bar',     False)),
        ('dbus peer=(, label = bar , name = foo ,),',   exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, 'foo',    False, 'bar',     False)),
        ('dbus peer=(, label = bar,  name = foo  ),',   exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, 'foo',    False, 'bar,',    False)),  # XXX peerlabel includes the comma
        ('dbus peer=(  label = bar , name = foo  ),',   exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, 'foo',    False, 'bar',     False)),
        ('dbus peer=(  label = "bar"  name = "foo" ),', exp(False, False, False, '',       None,                True,  None,      True,  None,       True,  None,          True,   None,      True, None,   True, 'foo',    False, 'bar',     False)),
        ('dbus path=/foo/bar bus=session,',             exp(False, False, False, '',       None,                True,  'session', False, '/foo/bar', False, None,          True,   None,      True, None,   True, None,     True,  None,      True)),
        ('dbus bus=system path=/foo/bar bus=session,',  exp(False, False, False, '',       None,                True,  'session', False, '/foo/bar', False, None,          True,   None,      True, None,   True, None,     True,  None,      True)),  # XXX bus= specified twice, last one wins
        ('dbus send peer=(label="foo") bus=session,',   exp(False, False, False, '',       {'send'},            False, 'session', False, None,       True,  None,          True,   None,      True, None,   True, None,     True,  'foo',     False)),
        ('dbus bus=1 bus=2 bus=3 bus=4 bus=5 bus=6,',   exp(False, False, False, '',       None,                True,  '6',       False, None,       True,  None,          True,   None,      True, None,   True, None,     True,  None,      True)),  # XXX bus= specified multiple times, last one wins
    )

    def _run_test(self, rawrule, expected):
        self.assertTrue(DbusRule.match(rawrule))
        obj = DbusRule.create_instance(rawrule)
        self.assertEqual(rawrule.strip(), obj.raw_rule)
        self._compare_obj(obj, expected)


class DbusTestParseInvalid(DbusTest):
    tests = (
        ('dbus foo,',                                       AppArmorException),
        ('dbus foo bar,',                                   AppArmorException),
        ('dbus foo int,',                                   AppArmorException),
        ('dbus send bar,',                                  AppArmorException),
        ('dbus send receive,',                              AppArmorException),
        ('dbus peer=,',                                     AppArmorException),
        ('dbus peer=(label=foo) path=,',                    AppArmorException),
        ('dbus (invalid),',                                 AppArmorException),
        ('dbus peer=,',                                     AppArmorException),
        ('dbus bus=session bind bus=system,',               AppArmorException),
        ('dbus bus=1 bus=2 bus=3 bus=4 bus=5 bus=6 bus=7,', AppArmorException),
    )

    def _run_test(self, rawrule, expected):
        self.assertTrue(DbusRule.match(rawrule))  # the above invalid rules still match the main regex!
        with self.assertRaises(expected):
            DbusRule.create_instance(rawrule)


class DbusTestParseFromLog(DbusTest):
    def test_dbus_from_log(self):
        parser = ReadLog('', '', '')
        event = 'type=USER_AVC msg=audit(1375323372.644:157): pid=363 uid=102 auid=4294967295 ses=4294967295  msg=\'apparmor="DENIED" operation="dbus_method_call"  bus="system" name="org.freedesktop.DBus" path="/org/freedesktop/DBus" interface="org.freedesktop.DBus" member="Hello" mask="send" pid=2833 profile="/tmp/apparmor-2.8.0/tests/regression/apparmor/dbus_service" peer_profile="unconfined"  exe="/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?\''

        parsed_event = parser.parse_event(event)

        self.assertEqual(parsed_event, {
            'request_mask': None,
            'denied_mask': 'send',
            'error_code': 0,
            'magic_token': 0,
            'parent': 0,
            'profile': '/tmp/apparmor-2.8.0/tests/regression/apparmor/dbus_service',
            'bus': 'system',
            'peer_profile': 'unconfined',
            'operation': 'dbus_method_call',
            'resource': None,
            'info': None,
            'aamode': 'REJECTING',
            'time': 1375323372,
            'active_hat': None,
            'pid': 2833,
            'task': 0,
            'attr': None,
            'name2': None,
            'name': 'org.freedesktop.DBus',
            'path': '/org/freedesktop/DBus',
            'interface': 'org.freedesktop.DBus',
            'member': 'Hello',
            'family': None,
            'protocol': None,
            'sock_type': None,
            'class': None,
        })

        # # XXX send rules must not contain name conditional, but the log event includes it - how should we handle this in logparser.py?
        #
        # #                            access                       bus                  path                  name                  interface                  member                  peername        peerlabel
        # obj = DbusRule(parsed_event['denied_mask'], parsed_event['bus'], parsed_event['path'], parsed_event['name'], parsed_event['interface'], parsed_event['member'], parsed_event['peer_profile'], DbusRule.ALL, log_event=parsed_event)
        #
        # # DbusRule     audit  allow  deny   comment  access    all?   bus       all?   path                     all?   name                    all?   interface               all?    member  all?   peername      all?   peerlabel  all?
        # expected = exp(False, False, False, '',      {'send'}, False, 'system', False, '/org/freedesktop/DBus', False, 'org.freedesktop.DBus', False, 'org.freedesktop.DBus', False, 'Hello', False, 'unconfined', False, None,      True)
        #
        # self._compare_obj(obj, expected)
        #
        # self.assertEqual(obj.get_raw(1), '  dbus send bus=system path=/org/freedesktop/DBus name=org.freedesktop.DBus member=Hello peer=(name=unconfined),')


class DbusFromInit(DbusTest):
    tests = (
        #         access  bus        path          name          interface     member        peername      peerlabel   audit=, deny=, allow_keyword, comment=, log_event)
        (DbusRule('send', 'session', DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL),
         #   audit  allow  deny   comment  access    all?   bus        all?   path  all?  name  all?  interface all?  member all?  peername all?  peerlabel all?
         exp(False, False, False, '',      {'send'}, False, 'session', False, None, True, None, True, None,     True, None,  True, None,    True, None,     True)),

        #         access               bus        path          name          interface     member        peername      peerlabel   audit=, deny=, allow_keyword, comment=, log_event)
        (DbusRule(('send', 'receive'), 'session', DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL),
         #   audit  allow  deny   comment access               all?   bus        all?   path  all?  name  all?  interface all?  member all?  peername all?  peerlabel all?
         exp(False, False, False, '',     {'send', 'receive'}, False, 'session', False, None, True, None, True, None,     True, None,  True, None,    True, None,     True)),

        #         access        bus           path          name          interface    member      peername      peerlabel   audit=, deny=, allow_keyword, comment=, log_event)
        (DbusRule(DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, '/int/face', '/mem/ber', '/peer/name', '/peer/label'),
         #   audit  allow  deny   comment access  all?  bus   all?  path  all?  name  all?  interface    all?   member      all?   peername      all?   peerlabel      all?
         exp(False, False, False, '',     None,   True, None, True, None, True, None, True, '/int/face', False, '/mem/ber', False, '/peer/name', False, '/peer/label', False)),
    )

    def _run_test(self, obj, expected):
        self._compare_obj(obj, expected)


class InvalidDbusInit(AATest):
    tests = (
        #  access          bus          path           name           interface     member        peername      peerlabel       expected exception

        # empty fields
        (('',              'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        (((),              'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    '',          '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    'session',   '',            'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    'session',   '/org/test',   '',            '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    'session',   '/org/test',   'com.aa.test', '',           '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    'session',   '/org/test',   'com.aa.test', '/int/face',  '',           '/peer/name', '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '',           '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', ''),            AppArmorBug),

        # whitespace fields
        (('  ',            'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    '  ',        '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    'session',   '  ',          'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    'session',   '/org/test',   '  ',          '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    'session',   '/org/test',   'com.aa.test', '  ',         '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    'session',   '/org/test',   'com.aa.test', '/int/face',  '  ',         '/peer/name', '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '  ',         '/peer/label'), AppArmorBug),
        ((DbusRule.ALL,    'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '  '),          AppArmorBug),

        # wrong type - dict()
        ((dict(),          'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((('send'),        dict(),      '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((('send'),        'session',   dict(),        'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((('send'),        'session',   '/org/test',   dict(),        '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((('send'),        'session',   '/org/test',   'com.aa.test', dict(),       '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((('send'),        'session',   '/org/test',   'com.aa.test', '/int/face',  dict(),       '/peer/name', '/peer/label'), AppArmorBug),
        ((('send'),        'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   dict(),       '/peer/label'), AppArmorBug),
        ((('send'),        'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', dict()),        AppArmorBug),


        # wrong type - None
        ((None,            'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        (((None),          'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((('send'),        None,        '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((('send'),        'session',   None,          'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((('send'),        'session',   '/org/test',   None,          '/int/face',  '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((('send'),        'session',   '/org/test',   'com.aa.test', None,         '/mem/ber',   '/peer/name', '/peer/label'), AppArmorBug),
        ((('send'),        'session',   '/org/test',   'com.aa.test', '/int/face',  None,         '/peer/name', '/peer/label'), AppArmorBug),
        ((('send'),        'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   None,         '/peer/label'), AppArmorBug),
        ((('send'),        'session',   '/org/test',   'com.aa.test', '/int/face',  '/mem/ber',   '/peer/name', None),          AppArmorBug),

        # bind conflicts with path, interface, member, peer name and peer label
        ((('bind'),        DbusRule.ALL, '/org/test',  DbusRule.ALL,  DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL),  AppArmorException),
        ((('bind'),        DbusRule.ALL, DbusRule.ALL, DbusRule.ALL,  '/int/face',  DbusRule.ALL, DbusRule.ALL, DbusRule.ALL),  AppArmorException),
        ((('bind'),        DbusRule.ALL, DbusRule.ALL, DbusRule.ALL,  DbusRule.ALL, '/mem/ber',   DbusRule.ALL, DbusRule.ALL),  AppArmorException),
        ((('bind'),        DbusRule.ALL, DbusRule.ALL, DbusRule.ALL,  DbusRule.ALL, DbusRule.ALL, '/peer/name', DbusRule.ALL),  AppArmorException),
        ((('bind'),        DbusRule.ALL, DbusRule.ALL, DbusRule.ALL,  DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, '/peer/label'), AppArmorException),

        # eavesdrop conflcts with path, name, interface, member, peer name and peer label
        ((('eavesdrop'),   DbusRule.ALL, '/org/test',  DbusRule.ALL,  DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL),  AppArmorException),
        ((('eavesdrop'),   DbusRule.ALL, DbusRule.ALL, 'com.aa.test', DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL),  AppArmorException),
        ((('eavesdrop'),   DbusRule.ALL, DbusRule.ALL, DbusRule.ALL,  '/int/face',  DbusRule.ALL, DbusRule.ALL, DbusRule.ALL),  AppArmorException),
        ((('eavesdrop'),   DbusRule.ALL, DbusRule.ALL, DbusRule.ALL,  DbusRule.ALL, '/mem/ber',   DbusRule.ALL, DbusRule.ALL),  AppArmorException),
        ((('eavesdrop'),   DbusRule.ALL, DbusRule.ALL, DbusRule.ALL,  DbusRule.ALL, DbusRule.ALL, '/peer/name', DbusRule.ALL),  AppArmorException),
        ((('eavesdrop'),   DbusRule.ALL, DbusRule.ALL, DbusRule.ALL,  DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, '/peer/label'), AppArmorException),

        # send and receive conflict with name
        ((('send'),        DbusRule.ALL, DbusRule.ALL, 'com.aa.test', DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL),  AppArmorException),
        ((('receive'),     DbusRule.ALL, DbusRule.ALL, 'com.aa.test', DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL),  AppArmorException),

        # misc
        ((DbusRule.ALL,    DbusRule.ALL, 'foo/bar',    DbusRule.ALL,  DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL),  AppArmorException),  # path doesn't start with /
        ((('foo'),         DbusRule.ALL, DbusRule.ALL, DbusRule.ALL,  DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL),  AppArmorException),  # invalid access keyword
        ((('foo', 'send'), DbusRule.ALL, DbusRule.ALL, DbusRule.ALL,  DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL),  AppArmorException),  # valid + invalid access keyword
    )

    def _run_test(self, params, expected):
        with self.assertRaises(expected):
            DbusRule(*params)

    def test_missing_params_1(self):
        with self.assertRaises(TypeError):
            DbusRule('send')

    def test_missing_params_2(self):
        with self.assertRaises(TypeError):
            DbusRule(('send'), 'session')

    def test_missing_params_3(self):
        with self.assertRaises(TypeError):
            DbusRule(('send'), 'session', '/org/test')

    def test_missing_params_4(self):
        with self.assertRaises(TypeError):
            DbusRule(('send'), 'session', '/org/test', 'com.aa.test')

    def test_missing_params_5(self):
        with self.assertRaises(TypeError):
            DbusRule(('send'), 'session', '/org/test', 'com.aa.test', '/int/face')

    def test_missing_params_6(self):
        with self.assertRaises(TypeError):
            DbusRule(('send'), 'session', '/org/test', 'com.aa.test', '/int/face', '/mem/ber')

    def test_missing_params_7(self):
        with self.assertRaises(TypeError):
            DbusRule(('send'), 'session', '/org/test', 'com.aa.test', '/int/face', '/mem/ber', '/peer/name')


class InvalidDbusTest(AATest):
    def _check_invalid_rawrule(self, rawrule):
        obj = None
        self.assertFalse(DbusRule.match(rawrule))
        with self.assertRaises(AppArmorException):
            obj = DbusRule.create_instance(rawrule)

        self.assertIsNone(obj, 'DbusRule handed back an object unexpectedly')

    def test_invalid_dbus_missing_comma(self):
        self._check_invalid_rawrule('dbus')  # missing comma

    def test_invalid_non_DbusRule(self):
        self._check_invalid_rawrule('signal,')  # not a dbus rule

    def test_empty_data_1(self):
        #              access        bus        path         name          interface    member      peername      peerlabel
        obj = DbusRule(('send'),     'session', '/org/test', DbusRule.ALL, '/int/face', '/mem/ber', '/peer/name', '/peer/label')
        obj.access = ''
        # no access set, and ALL not set
        with self.assertRaises(AppArmorBug):
            obj.get_clean(1)

    def test_empty_data_2(self):
        obj = DbusRule(('send'),     'session', '/org/test', DbusRule.ALL, '/int/face', '/mem/ber', '/peer/name', '/peer/label')
        obj.bus = ''
        # no bus set, and ALL not set
        with self.assertRaises(AppArmorBug):
            obj.get_clean(1)

    def test_empty_data_3(self):
        obj = DbusRule(('send'),     'session', '/org/test', DbusRule.ALL, '/int/face', '/mem/ber', '/peer/name', '/peer/label')
        obj.path = ''
        # no path set, and ALL not set
        with self.assertRaises(AppArmorBug):
            obj.get_clean(1)

    def test_empty_data_4(self):
        obj = DbusRule(DbusRule.ALL, 'session', '/org/test', 'com.aa.test', '/int/face', '/mem/ber', '/peer/name', '/peer/label')
        obj.name = ''
        # no name set, and ALL not set
        with self.assertRaises(AppArmorBug):
            obj.get_clean(1)

    def test_empty_data_5(self):
        obj = DbusRule(('send'),     'session', '/org/test', DbusRule.ALL, '/int/face', '/mem/ber', '/peer/name', '/peer/label')
        obj.interface = ''
        # no interface set, and ALL not set
        with self.assertRaises(AppArmorBug):
            obj.get_clean(1)

    def test_empty_data_6(self):
        obj = DbusRule(('send'),     'session', '/org/test', DbusRule.ALL, '/int/face', '/mem/ber', '/peer/name', '/peer/label')
        obj.member = ''
        # no member set, and ALL not set
        with self.assertRaises(AppArmorBug):
            obj.get_clean(1)

    def test_empty_data_7(self):
        obj = DbusRule(('send'),     'session', '/org/test', DbusRule.ALL, '/int/face', '/mem/ber', '/peer/name', '/peer/label')
        obj.peername = ''
        # no peername set, and ALL not set
        with self.assertRaises(AppArmorBug):
            obj.get_clean(1)

    def test_empty_data_8(self):
        obj = DbusRule(('send'),     'session', '/org/test', DbusRule.ALL, '/int/face', '/mem/ber', '/peer/name', '/peer/label')
        obj.peerlabel = ''
        # no peerlabel set, and ALL not set
        with self.assertRaises(AppArmorBug):
            obj.get_clean(1)

    def test_invalid_event_access(self):
        parser = ReadLog('', '', '')
        event = 'type=USER_AVC msg=audit(1375323372.644:157): pid=363 uid=102 auid=4294967295 ses=4294967295  msg=\'apparmor="DENIED" operation="dbus_method_call"  bus="system" name="org.freedesktop.DBus" path="/org/freedesktop/DBus" interface="org.freedesktop.DBus" member="Hello" mask="invalid_access" pid=2833 profile="/tmp/apparmor-2.8.0/tests/regression/apparmor/dbus_service" peer_profile="unconfined"  exe="/bin/dbus-daemon" sauid=102 hostname=? addr=? terminal=?\''
        ev = parser.parse_event(event)
        with self.assertRaises(AppArmorBug):
            DbusRule.create_from_ev(ev)


class WriteDbusTest(AATest):
    def _run_test(self, rawrule, expected):
        self.assertTrue(DbusRule.match(rawrule), 'DbusRule.match() failed')
        obj = DbusRule.create_instance(rawrule)
        clean = obj.get_clean()
        raw = obj.get_raw()

        self.assertEqual(expected.strip(), clean, 'unexpected clean rule')
        self.assertEqual(rawrule.strip(), raw, 'unexpected raw rule')

    tests = (
        #  raw rule                                                          clean rule
        ('     dbus         ,    # foo        ',                             'dbus, # foo'),
        ('    audit     dbus send,',                                         'audit dbus send,'),
        ('    audit     dbus (send  ),',                                     'audit dbus send,'),
        ('    audit     dbus (send , receive ),',                            'audit dbus (receive send),'),
        ('   deny dbus         send      bus=session,# foo bar',             'deny dbus send bus=session, # foo bar'),
        ('   deny dbus         send      bus=(session),  ',                  'deny dbus send bus=session,'),
        ('   deny dbus         send      peer=(name=unconfined label=foo),', 'deny dbus send peer=(name=unconfined label=foo),'),
        ('   deny dbus         send      interface = ( foo ),',              'deny dbus send interface=foo,'),
        ('   deny dbus         send      ,# foo bar',                        'deny dbus send, # foo bar'),
        ('   allow dbus             peer=(label=foo)    ,# foo bar',         'allow dbus peer=(label=foo), # foo bar'),
        ('dbus,',                                                            'dbus,'),
        ('dbus (receive),',                                                  'dbus receive,'),
        ('dbus (send),',                                                     'dbus send,'),
        ('dbus (send receive),',                                             'dbus (receive send),'),
        ('dbus receive,',                                                    'dbus receive,'),
        ('dbus eavesdrop,',                                                  'dbus eavesdrop,'),
        ('dbus bind bus = foo name = bar,',                                  'dbus bind bus=foo name=bar,'),
        ('dbus send peer=(  label = /foo ) ,',                               'dbus send peer=(label=/foo),'),
        ('dbus (receive) member=baz,',                                       'dbus receive member=baz,'),
        ('dbus send path = /foo,',                                           'dbus send path=/foo,'),
        ('dbus receive peer=(label=foo),',                                   'dbus receive peer=(label=foo),'),
        ('dbus (send receive) peer=(name=/usr/bin/bar),',                    'dbus (receive send) peer=(name=/usr/bin/bar),'),
        ('dbus (,  receive  ,,, send  ,) interface=/sbin/baz,',              'dbus (receive send) interface=/sbin/baz,'),  # XXX leading and trailing ',' inside (...) causes error
        ('  priority=123 deny dbus         send      interface = ( foo ),',  'priority=123 deny dbus send interface=foo,'),
        ('  priority=0   deny dbus         send      interface = ( foo ),',  'priority=0 deny dbus send interface=foo,'),
        ('  priority=-72 deny dbus         send      interface = ( foo ),',  'priority=-72 deny dbus send interface=foo,'),
        ('  priority=+834 deny dbus         send      interface = ( foo ),', 'priority=834 deny dbus send interface=foo,'),
        # XXX add more complex rules
    )

    def test_write_manually_1(self):
        #              access    bus        path         name          interface    member      peername      peerlabel
        obj = DbusRule(('send'), 'session', '/org/test', DbusRule.ALL, '/int/face', '/mem/ber', '/peer/name', '/peer/label', allow_keyword=True)

        expected = '    allow dbus send bus=session path=/org/test interface=/int/face member=/mem/ber peer=(name=/peer/name label=/peer/label),'

        self.assertEqual(expected, obj.get_clean(2), 'unexpected clean rule')
        self.assertEqual(expected, obj.get_raw(2), 'unexpected raw rule')

    def test_write_manually_2(self):
        #              access               bus           path         name          interface     member      peername      peerlabel
        obj = DbusRule(('send', 'receive'), DbusRule.ALL, '/org/test', DbusRule.ALL, DbusRule.ALL, '/mem/ber', '/peer/name', DbusRule.ALL, allow_keyword=True)

        expected = '    allow dbus (receive send) path=/org/test member=/mem/ber peer=(name=/peer/name),'

        self.assertEqual(expected, obj.get_clean(2), 'unexpected clean rule')
        self.assertEqual(expected, obj.get_raw(2), 'unexpected raw rule')


class DbusCoveredTest(AATest):
    def _run_test(self, param, expected):
        obj = DbusRule.create_instance(self.rule)
        check_obj = DbusRule.create_instance(param)

        self.assertTrue(DbusRule.match(param))

        self.assertEqual(obj.is_equal(check_obj), expected[0], 'Mismatch in is_equal, expected {}'.format(expected[0]))
        self.assertEqual(obj.is_equal(check_obj, True), expected[1], 'Mismatch in is_equal/strict, expected {}'.format(expected[1]))

        self.assertEqual(obj.is_covered(check_obj), expected[2], 'Mismatch in is_covered, expected {}'.format(expected[2]))
        self.assertEqual(obj.is_covered(check_obj, True, True), expected[3], 'Mismatch in is_covered/exact, expected {}'.format(expected[3]))


class DbusCoveredTest_01(DbusCoveredTest):
    rule = 'dbus send,'

    tests = (
        #   rule                           equal  strict equal  covered  covered exact
        ('dbus,',                         (False, False,        False,   False)),
        ('dbus send,',                    (True,  True,         True,    True)),
        ('dbus send member=unconfined,',  (False, False,        True,    True)),
        ('dbus send, # comment',          (True,  False,        True,    True)),
        ('allow dbus send,',              (True,  False,        True,    True)),
        ('dbus     send,',                (True,  False,        True,    True)),
        ('dbus send bus=session,',        (False, False,        True,    True)),
        ('dbus send member=(label=foo),', (False, False,        True,    True)),
        ('audit dbus send,',              (False, False,        False,   False)),
        ('audit dbus,',                   (False, False,        False,   False)),
        ('dbus receive,',                 (False, False,        False,   False)),
        ('dbus member=(label=foo),',      (False, False,        False,   False)),
        ('audit deny dbus send,',         (False, False,        False,   False)),
        ('deny dbus send,',               (False, False,        False,   False)),
    )


class DbusCoveredTest_02(DbusCoveredTest):
    rule = 'audit dbus send,'

    tests = (
        #   rule                          equal  strict equal  covered  covered exact
        ('      dbus send,',             (False, False,        True,    False)),
        ('audit dbus send,',             (True,  True,         True,    True)),
        ('      dbus send bus=session,', (False, False,        True,    False)),
        ('audit dbus send bus=session,', (False, False,        True,    True)),
        ('      dbus,',                  (False, False,        False,   False)),
        ('audit dbus,',                  (False, False,        False,   False)),
        ('dbus receive,',                (False, False,        False,   False)),
    )


class DbusCoveredTest_03(DbusCoveredTest):
    rule = 'dbus send bus=session,'

    tests = (
        #   rule                                 equal  strict equal  covered  covered exact
        ('      dbus send bus=session,',        (True,  True,         True,    True)),
        ('allow dbus send bus=session,',        (True,  False,        True,    True)),
        ('      dbus send,',                    (False, False,        False,   False)),
        ('      dbus,',                         (False, False,        False,   False)),
        ('      dbus send member=(label=foo),', (False, False,        False,   False)),
        ('audit dbus,',                         (False, False,        False,   False)),
        ('audit dbus send bus=session,',        (False, False,        False,   False)),
        ('audit dbus bus=session,',             (False, False,        False,   False)),
        ('      dbus send,',                    (False, False,        False,   False)),
        ('      dbus,',                         (False, False,        False,   False)),
    )


class DbusCoveredTest_04(DbusCoveredTest):
    rule = 'dbus,'

    tests = (
        #   rule                             equal  strict equal  covered  covered exact
        ('      dbus,',                     (True,  True,         True,    True)),
        ('allow dbus,',                     (True,  False,        True,    True)),
        ('      dbus send,',                (False, False,        True,    True)),
        ('      dbus receive bus=session,', (False, False,        True,    True)),
        ('      dbus member=(label=foo),',  (False, False,        True,    True)),
        ('      dbus send bus=session,',    (False, False,        True,    True)),
        ('audit dbus,',                     (False, False,        False,   False)),
        ('deny  dbus,',                     (False, False,        False,   False)),
    )


class DbusCoveredTest_05(DbusCoveredTest):
    rule = 'deny dbus send,'

    tests = (
        #   rule                     equal  strict equal  covered  covered exact
        ('      deny dbus send,',    (True,  True,       True,    True)),
        ('audit deny dbus send,',    (False, False,      False,   False)),
        ('           dbus send,',    (False, False,      False,   False)),  # XXX should covered be true here?
        ('      deny dbus receive,', (False, False,      False,   False)),
        ('      deny dbus,',         (False, False,      False,   False)),
    )


class DbusCoveredTest_06(DbusCoveredTest):
    rule = 'dbus send peer=(name=unconfined),'

    tests = (
        #   rule                                        equal  strict equal  covered  covered exact
        ('dbus,',                                       (False, False,      False,   False)),
        ('dbus send,',                                  (False, False,      False,   False)),
        ('dbus send peer=(name=unconfined),',           (True,  True,       True,    True)),
        ('dbus peer=(name=unconfined),',                (False, False,      False,   False)),
        ('dbus send, # comment',                        (False, False,      False,   False)),
        ('allow dbus send,',                            (False, False,      False,   False)),
        ('allow dbus send peer=(name=unconfined),',     (True,  False,      True,    True)),
        ('allow dbus send peer=(name=/foo/bar),',       (False, False,      False,   False)),
        ('allow dbus send peer=(name=/**),',            (False, False,      False,   False)),
        ('allow dbus send peer=(name=**),',             (False, False,      False,   False)),
        ('dbus    send,',                               (False, False,      False,   False)),
        ('dbus    send peer=(name=unconfined),',        (True,  False,      True,    True)),
        ('dbus send bus=session,',                      (False, False,      False,   False)),
        ('dbus send peer=(name=unconfined label=foo),', (False, False,      True,    True)),
        ('audit dbus send peer=(name=unconfined),',     (False, False,      False,   False)),
        ('audit dbus,',                                 (False, False,      False,   False)),
        ('dbus receive,',                               (False, False,      False,   False)),
        ('dbus peer=(label=foo),',                      (False, False,      False,   False)),
        ('audit deny dbus send,',                       (False, False,      False,   False)),
        ('deny dbus send,',                             (False, False,      False,   False)),
    )


class DbusCoveredTest_07(DbusCoveredTest):
    rule = 'dbus send peer=(label=unconfined),'

    tests = (
        #   rule                                        equal  strict equal  covered  covered exact
        ('dbus,',                                       (False, False,      False,   False)),
        ('dbus send,',                                  (False, False,      False,   False)),
        ('dbus send peer=(label=unconfined),',          (True,  True,       True,    True)),
        ('dbus peer=(label=unconfined),',               (False, False,      False,   False)),
        ('dbus send, # comment',                        (False, False,      False,   False)),
        ('allow dbus send,',                            (False, False,      False,   False)),
        ('allow dbus send peer=(label=unconfined),',    (True,  False,      True,    True)),
        ('allow dbus send peer=(label=/foo/bar),',      (False, False,      False,   False)),
        ('allow dbus send peer=(label=/**),',           (False, False,      False,   False)),
        ('allow dbus send peer=(label=**),',            (False, False,      False,   False)),
        ('dbus    send,',                               (False, False,      False,   False)),
        ('dbus    send peer=(label=unconfined),',       (True,  False,      True,    True)),
        ('dbus send bus=session,',                      (False, False,      False,   False)),
        ('dbus send peer=(label=unconfined name=foo),', (False, False,      True,    True)),
        ('audit dbus send peer=(label=unconfined),',    (False, False,      False,   False)),
        ('audit dbus,',                                 (False, False,      False,   False)),
        ('dbus receive,',                               (False, False,      False,   False)),
        ('dbus peer=(label=foo),',                      (False, False,      False,   False)),
        ('audit deny dbus send,',                       (False, False,      False,   False)),
        ('deny dbus send,',                             (False, False,      False,   False)),
    )


class DbusCoveredTest_08(DbusCoveredTest):
    rule = 'dbus send path=/foo/bar,'

    tests = (
        #   rule                                      equal  strict equal  covered  covered exact
        ('dbus,',                                     (False, False,      False,   False)),
        ('dbus send,',                                (False, False,      False,   False)),
        ('dbus send path=/foo/bar,',                  (True,  True,       True,    True)),
        ('dbus send path=/foo/*,',                    (False, False,      False,   False)),
        ('dbus send path=/**,',                       (False, False,      False,   False)),
        ('dbus send path=/what/*,',                   (False, False,      False,   False)),
        ('dbus path=/foo/bar,',                       (False, False,      False,   False)),
        ('dbus send, # comment',                      (False, False,      False,   False)),
        ('allow dbus send,',                          (False, False,      False,   False)),
        ('allow dbus send path=/foo/bar,',            (True,  False,      True,    True)),
        ('dbus    send,',                             (False, False,      False,   False)),
        ('dbus    send path=/foo/bar,',               (True,  False,      True,    True)),
        ('dbus    send path=/what/ever,',             (False, False,      False,   False)),
        ('dbus send bus=session,',                    (False, False,      False,   False)),
        ('dbus send path=/foo/bar peer=(label=foo),', (False, False,      True,    True)),
        ('audit dbus send path=/foo/bar,',            (False, False,      False,   False)),
        ('audit dbus,',                               (False, False,      False,   False)),
        ('dbus receive,',                             (False, False,      False,   False)),
        ('dbus peer=(label=foo),',                    (False, False,      False,   False)),
        ('audit deny dbus send,',                     (False, False,      False,   False)),
        ('deny dbus send,',                           (False, False,      False,   False)),
    )


class DbusCoveredTest_09(DbusCoveredTest):
    rule = 'dbus send member=**,'

    tests = (
        #   rule                                        equal  strict equal  covered  covered exact
        ('dbus,',                                       (False, False,      False,   False)),
        ('dbus send,',                                  (False, False,      False,   False)),
        ('dbus send member=/foo/bar,',                  (False, False,      True,    True)),
        ('dbus send member=/foo/*,',                    (False, False,      False,   False)),  # TODO: wildcard vs. wildcard never matches in is_covered_aare()
        ('dbus send member=/**,',                       (False, False,      False,   False)),  # TODO: wildcard vs. wildcard never matches in is_covered_aare()
        ('dbus send member=/what/*,',                   (False, False,      False,   False)),  # TODO: wildcard vs. wildcard never matches in is_covered_aare()
        ('dbus member=/foo/bar,',                       (False, False,      False,   False)),
        ('dbus send, # comment',                        (False, False,      False,   False)),
        ('allow dbus send,',                            (False, False,      False,   False)),
        ('allow dbus send member=/foo/bar,',            (False, False,      True,    True)),
        ('dbus    send,',                               (False, False,      False,   False)),
        ('dbus    send member=/foo/bar,',               (False, False,      True,    True)),
        ('dbus    send member=/what/ever,',             (False, False,      True,    True)),
        ('dbus send bus=session,',                      (False, False,      False,   False)),
        ('dbus send member=/foo/bar peer=(label=foo),', (False, False,      True,    True)),
        ('audit dbus send member=/foo/bar,',            (False, False,      False,   False)),
        ('audit dbus,',                                 (False, False,      False,   False)),
        ('dbus receive,',                               (False, False,      False,   False)),
        ('dbus member=(label=foo),',                    (False, False,      False,   False)),
        ('audit deny dbus send,',                       (False, False,      False,   False)),
        ('deny dbus send,',                             (False, False,      False,   False)),
    )


class DbusCoveredTest_10(DbusCoveredTest):
    rule = 'dbus (send, receive) interface=foo,'

    tests = (
        #   rule                                        equal  strict equal  covered  covered exact
        ('dbus,',                                       (False, False,      False,    False)),
        ('dbus send,',                                  (False, False,      False,    False)),
        ('dbus send interface=foo,',                    (False, False,      True,     True)),
        ('dbus receive bus=session interface=foo,',     (False, False,      True,     True)),
        ('dbus (receive,send) interface=foo,',          (True,  False,      True,     True)),
        ('dbus (receive,send),',                        (False, False,      False,    False)),
        ('dbus send bus=session,',                      (False, False,      False,    False)),
        ('dbus send member=/foo/bar,',                  (False, False,      False,    False)),
        ('dbus send member=/foo/*,',                    (False, False,      False,    False)),
        ('dbus send member=/**,',                       (False, False,      False,    False)),
        ('dbus send member=/what/*,',                   (False, False,      False,    False)),
        ('dbus member=/foo/bar,',                       (False, False,      False,    False)),
        ('dbus send, # comment',                        (False, False,      False,    False)),
        ('allow dbus send,',                            (False, False,      False,    False)),
        ('allow dbus send member=/foo/bar,',            (False, False,      False,    False)),
        ('dbus    send,',                               (False, False,      False,    False)),
        ('dbus    send member=/foo/bar,',               (False, False,      False,    False)),
        ('dbus    send member=/what/ever,',             (False, False,      False,    False)),
        ('dbus send bus=session,',                      (False, False,      False,    False)),
        ('dbus send bus=session interface=foo,',        (False, False,      True,     True)),
        ('dbus send member=/foo/bar peer=(label=foo),', (False, False,      False,    False)),
        ('audit dbus send member=/foo/bar,',            (False, False,      False,    False)),
        ('audit dbus,',                                 (False, False,      False,    False)),
        ('dbus receive,',                               (False, False,      False,    False)),
        ('dbus peer=(label=foo),',                      (False, False,      False,    False)),
        ('audit deny dbus send,',                       (False, False,      False,    False)),
        ('deny dbus send,',                             (False, False,      False,    False)),
    )


class DbusCoveredTest_11(DbusCoveredTest):
    rule = 'dbus name=/foo/bar,'

    tests = (
        #   rule                                 equal  strict equal  covered  covered exact
        ('dbus,',                                (False, False,     False,   False)),
        ('dbus name=/foo/bar,',                  (True,  True,      True,    True)),
        ('dbus name=/foo/*,',                    (False, False,     False,   False)),
        ('dbus name=/**,',                       (False, False,     False,   False)),
        ('dbus name=/what/*,',                   (False, False,     False,   False)),
        ('dbus, # comment',                      (False, False,     False,   False)),
        ('allow dbus,',                          (False, False,     False,   False)),
        ('allow dbus name=/foo/bar,',            (True,  False,     True,    True)),
        ('dbus   ,',                             (False, False,     False,   False)),
        ('dbus    name=/foo/bar,',               (True,  False,     True,    True)),
        ('dbus    name=/what/ever,',             (False, False,     False,   False)),
        ('dbus bus=session,',                    (False, False,     False,   False)),
        ('dbus name=/foo/bar peer=(label=foo),', (False, False,     True,    True)),
        ('audit dbus name=/foo/bar,',            (False, False,     False,   False)),
        ('audit dbus,',                          (False, False,     False,   False)),
        ('dbus receive,',                        (False, False,     False,   False)),
        ('dbus peer=(label=foo),',               (False, False,     False,   False)),
        ('audit deny dbus,',                     (False, False,     False,   False)),
        ('deny dbus,',                           (False, False,     False,   False)),
    )


class DbusCoveredTest_Priority(DbusCoveredTest):
    rule = 'dbus send,'

    tests = (
        #   rule                         equal  strict equal  covered  covered exact
        ('priority=1 dbus send,',        (False, False,       False,   False)),
        ('priority=-1 dbus send,',       (False, False,       True,    True)),
        ('priority=0 dbus send,',        (True,  False,       True,    True)),
    )


class DbusCoveredTest_Invalid(AATest):
    def AASetup(self):
        #                        access               bus        path         name          interface    member        peername      peerlabel
        self.obj     = DbusRule(('send', 'receive'), 'session', '/org/test', DbusRule.ALL, '/int/face', DbusRule.ALL, '/peer/name', '/peer/label', allow_keyword=True)  # noqa: E221
        self.testobj = DbusRule(('send'),            'session', '/org/test', DbusRule.ALL, '/int/face', '/mem/ber',   '/peer/name', '/peer/label', allow_keyword=True)

    def test_borked_obj_is_covered_1(self):
        self.testobj.access = ''

        with self.assertRaises(AppArmorBug):
            self.obj.is_covered(self.testobj)

    def test_borked_obj_is_covered_2(self):
        self.testobj.bus = ''

        with self.assertRaises(AppArmorBug):
            self.obj.is_covered(self.testobj)

    def test_borked_obj_is_covered_3(self):
        self.testobj.path = ''

        with self.assertRaises(AppArmorBug):
            self.obj.is_covered(self.testobj)

    def test_borked_obj_is_covered_4(self):
        # we need a different 'victim' because dbus send doesn't allow the name conditional we want to test here
        self.obj     = DbusRule(('bind'), 'session',  DbusRule.ALL, '/name', DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, allow_keyword=True)  # noqa: E221
        self.testobj = DbusRule(('bind'), 'session',  DbusRule.ALL, '/name', DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, DbusRule.ALL, allow_keyword=True)
        self.testobj.name = ''

        with self.assertRaises(AppArmorBug):
            self.obj.is_covered(self.testobj)

    def test_borked_obj_is_covered_5(self):
        self.testobj.interface = ''

        with self.assertRaises(AppArmorBug):
            self.obj.is_covered(self.testobj)

    def test_borked_obj_is_covered_6(self):
        self.testobj.member = ''

        with self.assertRaises(AppArmorBug):
            self.obj.is_covered(self.testobj)

    def test_borked_obj_is_covered_7(self):
        self.testobj.peername = ''

        with self.assertRaises(AppArmorBug):
            self.obj.is_covered(self.testobj)

    def test_borked_obj_is_covered_8(self):
        self.testobj.peerlabel = ''

        with self.assertRaises(AppArmorBug):
            self.obj.is_covered(self.testobj)

    def test_invalid_is_covered(self):
        raw_rule = 'dbus send,'

        class SomeOtherClass(DbusRule):
            pass

        obj = DbusRule.create_instance(raw_rule)
        testobj = SomeOtherClass.create_instance(raw_rule)  # different type
        with self.assertRaises(AppArmorBug):
            obj.is_covered(testobj)

    def test_invalid_is_equal(self):
        raw_rule = 'dbus send,'

        class SomeOtherClass(DbusRule):
            pass

        obj = DbusRule.create_instance(raw_rule)
        testobj = SomeOtherClass.create_instance(raw_rule)  # different type
        with self.assertRaises(AppArmorBug):
            obj.is_equal(testobj)


class DbusLogprofHeaderTest(AATest):
    tests = (
        ('dbus,',                        [                              _('Access mode'), _('ALL'),       _('Bus'), _('ALL'),  _('Path'), _('ALL'), _('Name'), _('ALL'),    _('Interface'), _('ALL'),  _('Member'), _('ALL'), _('Peer name'), _('ALL'),    _('Peer label'), _('ALL')]),  # noqa: E201
        ('dbus (send receive),',         [                              _('Access mode'), 'receive send', _('Bus'), _('ALL'),  _('Path'), _('ALL'), _('Name'), _('ALL'),    _('Interface'), _('ALL'),  _('Member'), _('ALL'), _('Peer name'), _('ALL'),    _('Peer label'), _('ALL')]),  # noqa: E201
        ('dbus send bus=session,',       [                              _('Access mode'), 'send',         _('Bus'), 'session', _('Path'), _('ALL'), _('Name'), _('ALL'),    _('Interface'), _('ALL'),  _('Member'), _('ALL'), _('Peer name'), _('ALL'),    _('Peer label'), _('ALL')]),  # noqa: E201
        ('deny dbus,',                   [_('Qualifier'), 'deny',       _('Access mode'), _('ALL'),       _('Bus'), _('ALL'),  _('Path'), _('ALL'), _('Name'), _('ALL'),    _('Interface'), _('ALL'),  _('Member'), _('ALL'), _('Peer name'), _('ALL'),    _('Peer label'), _('ALL')]),
        ('allow dbus send,',             [_('Qualifier'), 'allow',      _('Access mode'), 'send',         _('Bus'), _('ALL'),  _('Path'), _('ALL'), _('Name'), _('ALL'),    _('Interface'), _('ALL'),  _('Member'), _('ALL'), _('Peer name'), _('ALL'),    _('Peer label'), _('ALL')]),
        ('audit dbus send bus=session,', [_('Qualifier'), 'audit',      _('Access mode'), 'send',         _('Bus'), 'session', _('Path'), _('ALL'), _('Name'), _('ALL'),    _('Interface'), _('ALL'),  _('Member'), _('ALL'), _('Peer name'), _('ALL'),    _('Peer label'), _('ALL')]),
        ('audit deny dbus send,',        [_('Qualifier'), 'audit deny', _('Access mode'), 'send',         _('Bus'), _('ALL'),  _('Path'), _('ALL'), _('Name'), _('ALL'),    _('Interface'), _('ALL'),  _('Member'), _('ALL'), _('Peer name'), _('ALL'),    _('Peer label'), _('ALL')]),
        ('dbus bind name=bind.name,',    [                              _('Access mode'), 'bind',         _('Bus'), _('ALL'),  _('Path'), _('ALL'), _('Name'), 'bind.name', _('Interface'), _('ALL'),  _('Member'), _('ALL'), _('Peer name'), _('ALL'),    _('Peer label'), _('ALL')]),  # noqa: E201
        ('dbus send bus=session path=/path interface=aa.test member=ExMbr peer=(name=(peer.name)),',
                                         [                              _('Access mode'), 'send',         _('Bus'), 'session', _('Path'), '/path',  _('Name'), _('ALL'),    _('Interface'), 'aa.test', _('Member'), 'ExMbr',  _('Peer name'), 'peer.name', _('Peer label'), _('ALL')]),  # noqa: E201,E127
        ('dbus send peer=(label=foo),',  [                              _('Access mode'), 'send',         _('Bus'), _('ALL'),  _('Path'), _('ALL'), _('Name'), _('ALL'),    _('Interface'), _('ALL'),  _('Member'), _('ALL'), _('Peer name'), _('ALL'),    _('Peer label'), 'foo']),  # noqa: E201
    )

    def _run_test(self, params, expected):
        obj = DbusRule.create_instance(params)
        self.assertEqual(obj.logprof_header(), expected)


# --- tests for DbusRuleset --- #

class DbusRulesTest(AATest):
    def test_empty_ruleset(self):
        ruleset = DbusRuleset()
        ruleset_2 = DbusRuleset()
        self.assertEqual([], ruleset.get_raw(2))
        self.assertEqual([], ruleset.get_clean(2))
        self.assertEqual([], ruleset_2.get_raw(2))
        self.assertEqual([], ruleset_2.get_clean(2))

    def test_ruleset_1(self):
        ruleset = DbusRuleset()
        rules = [
            'dbus peer=(label=foo),',
            'dbus send,',
        ]

        expected_raw = [
            'dbus peer=(label=foo),',
            'dbus send,',
            '',
        ]

        expected_clean = [
            'dbus peer=(label=foo),',
            'dbus send,',
            '',
        ]

        for rule in rules:
            ruleset.add(DbusRule.create_instance(rule))

        self.assertEqual(expected_raw, ruleset.get_raw())
        self.assertEqual(expected_clean, ruleset.get_clean())

    def test_ruleset_2(self):
        ruleset = DbusRuleset()
        rules = [
            'dbus send peer=(label=foo),',
            'allow dbus send,',
            'deny dbus bus=session, # example comment',
        ]

        expected_raw = [
            '  dbus send peer=(label=foo),',
            '  allow dbus send,',
            '  deny dbus bus=session, # example comment',
            '',
        ]

        expected_clean = [
            '  deny dbus bus=session, # example comment',
            '',
            '  allow dbus send,',
            '  dbus send peer=(label=foo),',
            '',
        ]

        for rule in rules:
            ruleset.add(DbusRule.create_instance(rule))

        self.assertEqual(expected_raw, ruleset.get_raw(1))
        self.assertEqual(expected_clean, ruleset.get_clean(1))


class DbusGlobTest(AATest):
    def setUp(self):
        self.maxDiff = None
        self.ruleset = DbusRuleset()

    def test_glob_1(self):
        self.assertEqual(self.ruleset.get_glob('dbus send,'), 'dbus,')

    # not supported or used yet
    # def test_glob_2(self):
    #     self.assertEqual(self.ruleset.get_glob('dbus send raw,'), 'dbus send,')

    def test_glob_ext(self):
        with self.assertRaises(NotImplementedError):
            # get_glob_ext is not available for dbus rules
            self.ruleset.get_glob_ext('dbus send peer=(label=foo),')


# class DbusDeleteTest(AATest):
#     pass


setup_all_loops(__name__)
if __name__ == '__main__':
    unittest.main(verbosity=1)