class TestFileAddition(unittest.TestCase):
@patch('unpacker.unpack.FS_Organizer', MockFSOrganizer)
def setUp(self):
self._config = initialize_config(tmp_dir=None)
self._tmp_queue = Queue()
self._unpack_scheduler = UnpackingScheduler(
config=self._config,
post_unpack=self._dummy_callback,
db_interface=DatabaseMock())
def tearDown(self):
self._unpack_scheduler.shutdown()
self._tmp_queue.close()
gc.collect()
def test_unpack_only(self):
test_fw = Firmware(
file_path='{}/container/test.zip'.format(get_test_data_dir()))
self._unpack_scheduler.add_task(test_fw)
processed_container = self._tmp_queue.get(timeout=5)
self.assertEqual(len(processed_container.files_included), 3,
'not all included files found')
self.assertIn(
'faa11db49f32a90b51dfc3f0254f9fd7a7b46d0b570abd47e1943b86d554447a_28',
processed_container.files_included,
'certain file missing after unpacking')
def _dummy_callback(self, fw):
self._tmp_queue.put(fw)
def test_scheduler(test_config, finished_event, intermediate_event):
interface = BackEndDbInterface(config=test_config)
elements_finished = Value('i', 0)
def count_pre_analysis(file_object):
interface.add_object(file_object)
elements_finished.value += 1
if elements_finished.value == 16:
finished_event.set()
elif elements_finished.value == 8:
intermediate_event.set()
analyzer = AnalysisScheduler(test_config,
pre_analysis=count_pre_analysis,
db_interface=interface)
unpacker = UnpackingScheduler(
config=test_config, post_unpack=analyzer.start_analysis_of_object)
intercom = InterComBackEndBinding(config=test_config,
analysis_service=analyzer,
unpacking_service=unpacker,
compare_service=MockScheduler())
yield unpacker
intercom.shutdown()
unpacker.shutdown()
analyzer.shutdown()
class TestTagPropagation(unittest.TestCase):
def setUp(self):
self._tmp_dir = TemporaryDirectory()
self._config = initialize_config(self._tmp_dir)
self.analysis_finished_event = Event()
self.uid_of_key_file = '530bf2f1203b789bfe054d3118ebd29a04013c587efd22235b3b9677cee21c0e_2048'
self._mongo_server = MongoMgr(config=self._config, auth=False)
self.backend_interface = BackEndDbInterface(config=self._config)
self._analysis_scheduler = AnalysisScheduler(
config=self._config,
post_analysis=self.count_analysis_finished_event)
self._tagging_scheduler = TaggingDaemon(
analysis_scheduler=self._analysis_scheduler)
self._unpack_scheduler = UnpackingScheduler(
config=self._config, post_unpack=self._analysis_scheduler.add_task)
def count_analysis_finished_event(self, fw_object):
self.backend_interface.add_object(fw_object)
if fw_object.uid == self.uid_of_key_file:
self.analysis_finished_event.set()
def _wait_for_empty_tag_queue(self):
while not self._analysis_scheduler.tag_queue.empty():
sleep(0.1)
def tearDown(self):
self._unpack_scheduler.shutdown()
self._tagging_scheduler.shutdown()
self._analysis_scheduler.shutdown()
clean_test_database(self._config, get_database_names(self._config))
self._mongo_server.shutdown()
self._tmp_dir.cleanup()
gc.collect()
def test_run_analysis_with_tag(self):
test_fw = Firmware(
file_path='{}/container/with_key.7z'.format(get_test_data_dir()))
test_fw.release_date = '2017-01-01'
test_fw.scheduled_analysis = ['crypto_material']
self._unpack_scheduler.add_task(test_fw)
assert self.analysis_finished_event.wait(timeout=20)
processed_fo = self.backend_interface.get_object(
self.uid_of_key_file, analysis_filter=['crypto_material'])
assert processed_fo.processed_analysis['crypto_material'][
'tags'], 'no tags set in analysis'
self._wait_for_empty_tag_queue()
processed_fw = self.backend_interface.get_object(
test_fw.uid, analysis_filter=['crypto_material'])
assert processed_fw.analysis_tags, 'tags not propagated properly'
assert processed_fw.analysis_tags['crypto_material'][
'private_key_inside']
class FactBackend(FactBase):
PROGRAM_NAME = 'FACT Backend'
PROGRAM_DESCRIPTION = 'Firmware Analysis and Compare Tool (FACT) Backend'
COMPONENT = 'backend'
def __init__(self):
super().__init__()
try:
self.analysis_service = AnalysisScheduler(config=self.config)
except PluginInitException as error:
logging.critical(
f'Error during initialization of plugin {error.plugin.NAME}. Shutting down FACT backend'
)
complete_shutdown()
self.tagging_service = TaggingDaemon(
analysis_scheduler=self.analysis_service)
self.unpacking_service = UnpackingScheduler(
config=self.config,
post_unpack=self.analysis_service.start_analysis_of_object,
analysis_workload=self.analysis_service.get_scheduled_workload)
self.compare_service = CompareScheduler(config=self.config)
self.intercom = InterComBackEndBinding(
config=self.config,
analysis_service=self.analysis_service,
compare_service=self.compare_service,
unpacking_service=self.unpacking_service)
def main(self):
while self.run:
self.work_load_stat.update(
unpacking_workload=self.unpacking_service.
get_scheduled_workload(),
analysis_workload=self.analysis_service.get_scheduled_workload(
))
if self._exception_occurred():
break
sleep(5)
if self.args.testing:
break
self.shutdown()
def shutdown(self):
super().shutdown()
self.intercom.shutdown()
self.compare_service.shutdown()
self.unpacking_service.shutdown()
self.tagging_service.shutdown()
self.analysis_service.shutdown()
if not self.args.testing:
complete_shutdown()
def _exception_occurred(self):
return any((self.unpacking_service.check_exceptions(),
self.compare_service.check_exceptions(),
self.analysis_service.check_exceptions()))
def test_scheduler(test_config):
analyzer = AnalysisScheduler(test_config)
unpacker = UnpackingScheduler(config=test_config,
post_unpack=analyzer.add_task)
intercom = InterComBackEndBinding(config=test_config,
analysis_service=analyzer,
unpacking_service=unpacker,
compare_service=MockScheduler())
yield unpacker
intercom.shutdown()
unpacker.shutdown()
analyzer.shutdown()
class TestFileAddition(unittest.TestCase):
@patch('unpacker.unpack.FS_Organizer', MockFSOrganizer)
def setUp(self):
self.mocked_interface = DatabaseMock()
self.enter_patch = unittest.mock.patch(
target='helperFunctions.web_interface.ConnectTo.__enter__',
new=lambda _: self.mocked_interface)
self.enter_patch.start()
self.exit_patch = unittest.mock.patch(
target='helperFunctions.web_interface.ConnectTo.__exit__',
new=fake_exit)
self.exit_patch.start()
self._config = initialize_config(None)
self._tmp_queue = Queue()
self._analysis_scheduler = AnalysisScheduler(
config=self._config,
pre_analysis=lambda *_: None,
post_analysis=self._dummy_callback,
db_interface=MockDbInterface(None))
self._unpack_scheduler = UnpackingScheduler(
config=self._config,
post_unpack=self._analysis_scheduler.start_analysis_of_object,
db_interface=self.mocked_interface)
def tearDown(self):
self._unpack_scheduler.shutdown()
self._analysis_scheduler.shutdown()
self._tmp_queue.close()
self.enter_patch.stop()
self.exit_patch.stop()
self.mocked_interface.shutdown()
gc.collect()
def test_unpack_and_analyse(self):
test_fw = Firmware(
file_path='{}/container/test.zip'.format(get_test_data_dir()))
self._unpack_scheduler.add_task(test_fw)
for _ in range(
4 * 2
): # container with 3 included files times 2 mandatory plugins run
processed_container = self._tmp_queue.get(timeout=10)
self.assertGreaterEqual(len(processed_container.processed_analysis), 3,
'at least one analysis not done')
def _dummy_callback(self, fw):
self._tmp_queue.put(fw)
signal.signal(signal.SIGINT, lambda *_: None)
os.setpgid(os.getpid(), os.getpid()) # reset pgid to self so that "complete_shutdown" doesn't run amok
else:
signal.signal(signal.SIGINT, shutdown)
args, config = program_setup(PROGRAM_NAME, PROGRAM_DESCRIPTION)
analysis_service = AnalysisScheduler(config=config)
tagging_service = TaggingDaemon(analysis_scheduler=analysis_service)
unpacking_service = UnpackingScheduler(config=config, post_unpack=analysis_service.start_analysis_of_object, analysis_workload=analysis_service.get_scheduled_workload)
compare_service = CompareScheduler(config=config)
intercom = InterComBackEndBinding(config=config, analysis_service=analysis_service, compare_service=compare_service, unpacking_service=unpacking_service)
work_load_stat = WorkLoadStatistic(config=config)
run = True
while run:
work_load_stat.update(unpacking_workload=unpacking_service.get_scheduled_workload(), analysis_workload=analysis_service.get_scheduled_workload())
if any((unpacking_service.check_exceptions(), compare_service.check_exceptions(), analysis_service.check_exceptions())):
break
sleep(5)
if args.testing:
break
logging.info('shutdown components')
work_load_stat.shutdown()
intercom.shutdown()
compare_service.shutdown()
unpacking_service.shutdown()
tagging_service.shutdown()
analysis_service.shutdown()
if not args.testing:
complete_shutdown()
class TestFileAddition(unittest.TestCase):
@patch('unpacker.unpack.FS_Organizer', MockFSOrganizer)
def setUp(self):
self._tmp_dir = TemporaryDirectory()
self._config = initialize_config(self._tmp_dir)
self.elements_finished_analyzing = Value('i', 0)
self.analysis_finished_event = Event()
self.compare_finished_event = Event()
self._mongo_server = MongoMgr(config=self._config, auth=False)
self.backend_interface = BackEndDbInterface(config=self._config)
self._analysis_scheduler = AnalysisScheduler(
config=self._config,
post_analysis=self.count_analysis_finished_event)
self._unpack_scheduler = UnpackingScheduler(
config=self._config, post_unpack=self._analysis_scheduler.add_task)
self._compare_scheduler = CompareScheduler(
config=self._config, callback=self.trigger_compare_finished_event)
def count_analysis_finished_event(self, fw_object):
self.backend_interface.add_analysis(fw_object)
self.elements_finished_analyzing.value += 1
if self.elements_finished_analyzing.value == 4 * 2 * 2: # 2 container with 3 files each and 2 plugins
self.analysis_finished_event.set()
def trigger_compare_finished_event(self):
self.compare_finished_event.set()
def tearDown(self):
self._compare_scheduler.shutdown()
self._unpack_scheduler.shutdown()
self._analysis_scheduler.shutdown()
clean_test_database(self._config, get_database_names(self._config))
self._mongo_server.shutdown()
self._tmp_dir.cleanup()
gc.collect()
def test_unpack_analyse_and_compare(self):
test_fw_1 = Firmware(
file_path='{}/container/test.zip'.format(get_test_data_dir()))
test_fw_1.release_date = '2017-01-01'
test_fw_2 = Firmware(
file_path='{}/regression_one'.format(get_test_data_dir()))
test_fw_2.release_date = '2017-01-01'
self._unpack_scheduler.add_task(test_fw_1)
self._unpack_scheduler.add_task(test_fw_2)
self.analysis_finished_event.wait(timeout=20)
compare_id = normalize_compare_id(';'.join(
[fw.uid for fw in [test_fw_1, test_fw_2]]))
self.assertIsNone(
self._compare_scheduler.add_task((compare_id, False)),
'adding compare task creates error')
self.compare_finished_event.wait(timeout=10)
with ConnectTo(CompareDbInterface, self._config) as sc:
result = sc.get_compare_result(compare_id)
self.assertEqual(result['plugins']['Software'],
self._expected_result()['Software'])
self.assertCountEqual(
result['plugins']['File_Coverage']['files_in_common'],
self._expected_result()['File_Coverage']['files_in_common'])
@staticmethod
def _expected_result():
return {
'File_Coverage': {
'files_in_common': {
'all': [],
'collapse': False
}
},
'Software': {
'Compare Skipped': {
'all':
'Required analysis not present: [\'software_components\', \'software_components\']'
}
}
}
class TestFileAddition(unittest.TestCase):
@patch('unpacker.unpack.FS_Organizer', MockFSOrganizer)
def setUp(self):
self._tmp_dir = TemporaryDirectory()
self._config = initialize_config(self._tmp_dir)
self.elements_finished_analyzing = Value('i', 0)
self.analysis_finished_event = Event()
self.compare_finished_event = Event()
self._mongo_server = MongoMgr(config=self._config, auth=False)
self.backend_interface = BackEndDbInterface(config=self._config)
self._analysis_scheduler = AnalysisScheduler(config=self._config, post_analysis=self.count_analysis_finished_event)
self._unpack_scheduler = UnpackingScheduler(config=self._config, post_unpack=self._analysis_scheduler.add_task)
self._compare_scheduler = CompareScheduler(config=self._config, callback=self.trigger_compare_finished_event)
def count_analysis_finished_event(self, fw_object):
self.backend_interface.add_object(fw_object)
self.elements_finished_analyzing.value += 1
if self.elements_finished_analyzing.value > 7:
self.analysis_finished_event.set()
def trigger_compare_finished_event(self):
self.compare_finished_event.set()
def tearDown(self):
self._compare_scheduler.shutdown()
self._unpack_scheduler.shutdown()
self._analysis_scheduler.shutdown()
clean_test_database(self._config, get_database_names(self._config))
self._mongo_server.shutdown()
self._tmp_dir.cleanup()
gc.collect()
def test_unpack_analyse_and_compare(self):
test_fw_1 = Firmware(file_path='{}/container/test.zip'.format(get_test_data_dir()))
test_fw_1.release_date = '2017-01-01'
test_fw_2 = Firmware(file_path='{}/container/test.7z'.format(get_test_data_dir()))
test_fw_2.release_date = '2017-01-01'
self._unpack_scheduler.add_task(test_fw_1)
self._unpack_scheduler.add_task(test_fw_2)
self.analysis_finished_event.wait(timeout=10)
compare_id = unify_string_list(';'.join([fw.uid for fw in [test_fw_1, test_fw_2]]))
self.assertIsNone(self._compare_scheduler.add_task((compare_id, False)), 'adding compare task creates error')
self.compare_finished_event.wait(timeout=10)
with ConnectTo(CompareDbInterface, self._config) as sc:
result = sc.get_compare_result(compare_id)
self.assertFalse(isinstance(result, str), 'compare result should exist')
self.assertEqual(result['plugins']['Software'], self._expected_result()['Software'])
self.assertCountEqual(result['plugins']['File_Coverage']['exclusive_files'], self._expected_result()['File_Coverage']['exclusive_files'])
@staticmethod
def _expected_result():
return {
'File_Coverage': {
'exclusive_files': {
'418a54d78550e8584291c96e5d6168133621f352bfc1d43cf84e81187fef4962_787': [],
'd38970f8c5153d1041810d0908292bc8df21e7fd88aab211a8fb96c54afe6b01_319': [],
'collapse': False
},
'files_in_common': {
'all': [
'faa11db49f32a90b51dfc3f0254f9fd7a7b46d0b570abd47e1943b86d554447a_28',
'289b5a050a83837f192d7129e4c4e02570b94b4924e50159fad5ed1067cfbfeb_20',
'd558c9339cb967341d701e3184f863d3928973fccdc1d96042583730b5c7b76a_62'
],
'collapse': False
},
'similar_files': {}
},
'Software': {
'Compare Skipped': {
'all': 'Required analysis not present: [\'software_components\', \'software_components\']'
}
}
}