def _preprocess(self, _):
self.device_path, partition_paths = google_cloud.PreprocessAttachDisk(
self.disk_name)
self.mount_path = mount_local.PreprocessMountDisk(
partition_paths, self.mount_partition)
self.local_path = self.device_path
def _preprocess(self, _, required_states):
if EvidenceState.ATTACHED in required_states:
self.device_path, partition_paths = mount_local.PreprocessLosetup(
self.source_path)
self.state[EvidenceState.ATTACHED] = True
if EvidenceState.MOUNTED in required_states:
self.mount_path = mount_local.PreprocessMountDisk(
partition_paths, self.mount_partition)
self.local_path = self.device_path
self.state[EvidenceState.MOUNTED] = True
def _preprocess(self, _, required_states):
if EvidenceState.ATTACHED in required_states:
self.device_path, partition_paths = google_cloud.PreprocessAttachDisk(
self.disk_name)
self.state[EvidenceState.ATTACHED] = True
if EvidenceState.MOUNTED in required_states:
self.mount_path = mount_local.PreprocessMountDisk(
partition_paths, self.mount_partition)
self.local_path = self.device_path
self.state[EvidenceState.MOUNTED] = True
def _preprocess(self, _):
rawdisk_path = os.path.join(self.parent_evidence.mount_path,
self.embedded_path)
if not os.path.exists(rawdisk_path):
raise TurbiniaException(
'Unable to find raw disk image {0:s} in GoogleCloudDisk'.
format(rawdisk_path))
self.device_path, partition_paths = mount_local.PreprocessLosetup(
rawdisk_path)
self.mount_path = mount_local.PreprocessMountDisk(
partition_paths, self.mount_partition)
self.local_path = self.device_path
def _preprocess(self, _, required_states):
if EvidenceState.PARENT_ATTACHED in required_states:
rawdisk_path = os.path.join(self.parent_evidence.mount_path,
self.embedded_path)
if not os.path.exists(rawdisk_path):
raise TurbiniaException(
'Unable to find raw disk image {0:s} in GoogleCloudDisk'.
format(rawdisk_path))
self.device_path, partition_paths = mount_local.PreprocessLosetup(
rawdisk_path)
self.state[EvidenceState.PARENT_ATTACHED] = True
if EvidenceState.PARENT_MOUNTED in required_states:
self.mount_path = mount_local.PreprocessMountDisk(
partition_paths, self.mount_partition)
self.local_path = self.device_path
self.state[EvidenceState.PARENT_MOUNTED] = True
def _preprocess(self, _, required_states):
# Need to mount parent disk
if not self.parent_evidence.partition_paths:
self.parent_evidence.mount_path = mount_local.PreprocessMountPartition(
self.parent_evidence.device_path)
else:
partition_paths = self.parent_evidence.partition_paths
self.parent_evidence.mount_path = mount_local.PreprocessMountDisk(
partition_paths, self.parent_evidence.mount_partition)
self.parent_evidence.local_path = self.parent_evidence.mount_path
self.parent_evidence.state[EvidenceState.MOUNTED] = True
if EvidenceState.ATTACHED in required_states or self.has_child_evidence:
rawdisk_path = os.path.join(
self.parent_evidence.mount_path, self.embedded_path)
if not os.path.exists(rawdisk_path):
raise TurbiniaException(
'Unable to find raw disk image {0:s} in GoogleCloudDisk'.format(
rawdisk_path))
self.device_path = mount_local.PreprocessLosetup(rawdisk_path)
self.state[EvidenceState.ATTACHED] = True
self.local_path = self.device_path
def testPreprocessMountDisk(self, _, mock_path_exists, mock_path_isdir,
mock_subprocess, mock_filesystem, mock_mkdtemp,
mock_config):
"""Test PreprocessMountDisk method."""
mock_config.MOUNT_DIR_PREFIX = '/mnt/turbinia'
mock_path_exists.side_effect = _mock_bitlocker_returns
mock_filesystem.return_value = b'ext4'
mock_mkdtemp.return_value = '/mnt/turbinia/turbinia0ckdntz0'
# Test partition number too high
with self.assertRaises(TurbiniaException):
mount_local.PreprocessMountDisk(['/dev/loop0p1'], 2)
# Test bad partition number
with self.assertRaises(TurbiniaException):
mount_local.PreprocessMountDisk(['/dev/loop0p1'], 0)
# Test partition path doesn't exist
with self.assertRaises(TurbiniaException):
mount_local.PreprocessMountDisk(['/dev/loop0p4'], 1)
# Test mount prefix is not directory
mock_path_isdir.return_value = False
with self.assertRaises(TurbiniaException):
mount_local.PreprocessMountDisk(['/dev/loop0p1'], 1)
mock_path_isdir.return_value = True
# Test ext4
mount_path = mount_local.PreprocessMountDisk(['/dev/loop0p1'], 1)
expected_args = [
'sudo', 'mount', '-o', 'ro', '-o', 'noload', '/dev/loop0p1',
'/mnt/turbinia/turbinia0ckdntz0'
]
mock_subprocess.assert_called_once_with(expected_args)
self.assertEqual(mount_path, '/mnt/turbinia/turbinia0ckdntz0')
# Test mount failure
mock_subprocess.reset_mock()
mock_subprocess.side_effect = CalledProcessError(1, 'mount')
with self.assertRaises(TurbiniaException):
mount_local.PreprocessMountDisk(['/dev/loop0p1'], 1)
def _preprocess(self):
self.local_path = google_cloud.PreprocessAttachDisk(self.disk_name)
self.loopdevice_path = mount_local.PreprocessLosetup(self.local_path)
self.mount_path = mount_local.PreprocessMountDisk(
self.loopdevice_path, self.mount_partition)
self.local_path = os.path.join(self.mount_path, self.embedded_path)
def preprocess(self):
google_cloud.PreprocessAttachDisk(self)
mount_local.PreprocessMountDisk(self)
self.local_path = os.path.join(self.mount_path, self.embedded_path)
def _preprocess(self, _):
self.device_path, partition_paths = mount_local.PreprocessLosetup(
self.source_path)
self.mount_path = mount_local.PreprocessMountDisk(
partition_paths, self.mount_partition)
self.local_path = self.device_path
