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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the SleuthKit (TSK) volume system."""
import unittest
from dfvfs.lib import definitions
from dfvfs.path import factory as path_spec_factory
from dfvfs.volume import tsk_volume_system
from tests import test_lib as shared_test_lib
class TSKVolumeSystemTestAPM(shared_test_lib.BaseTestCase):
"""Tests the SleuthKit (TSK) volume system on APM."""
def setUp(self):
"""Sets up the needed objects used throughout the test."""
test_path = self._GetTestFilePath(['apm.dmg'])
self._SkipIfPathNotExists(test_path)
test_os_path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_OS, location=test_path)
self._tsk_path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_TSK_PARTITION, location='/',
parent=test_os_path_spec)
# mmls test_data/apm.dmg
# MAC Partition Map
# Offset Sector: 0
# Units are in 512-byte sectors
#
# Slot Start End Length Description
# 000: ------- 0000000000 0000000000 0000000001 Unallocated
# 001: 000 0000000001 0000000063 0000000063 Apple_partition_map
# 002: Meta 0000000001 0000000003 0000000003 Table
# 003: 001 0000000064 0000008175 0000008112 Apple_HFS
# 004: 002 0000008176 0000008191 0000000016 Apple_Free
def testIterateVolumes(self):
"""Test the iterate volumes functionality."""
volume_system = tsk_volume_system.TSKVolumeSystem()
volume_system.Open(self._tsk_path_spec)
self.assertEqual(volume_system.bytes_per_sector, 512)
self.assertEqual(volume_system.number_of_sections, 5)
self.assertEqual(volume_system.number_of_volumes, 1)
self.assertEqual(volume_system.volume_identifiers, ['p1'])
volume = volume_system.GetVolumeByIndex(0)
self.assertIsNotNone(volume)
self.assertEqual(volume.number_of_extents, 1)
self.assertEqual(volume.number_of_attributes, 2)
self.assertEqual(volume.identifier, 'p1')
volume_attribute = volume.GetAttribute('address')
self.assertIsNotNone(volume_attribute)
self.assertEqual(volume_attribute.value, 3)
volume_attribute = volume.GetAttribute('description')
self.assertIsNotNone(volume_attribute)
self.assertEqual(volume_attribute.value, 'Apple_HFS')
volume_extent = volume.extents[0]
self.assertIsNotNone(volume_extent)
self.assertEqual(volume_extent.offset, 64 * 512)
self.assertEqual(volume_extent.size, 8112 * 512)
self.assertEqual(volume_extent.extent_type, volume_extent.EXTENT_TYPE_DATA)
volume = volume_system.GetVolumeByIndex(9)
self.assertIsNone(volume)
class TSKVolumeSystemTestGPT(shared_test_lib.BaseTestCase):
"""Tests the SleuthKit (TSK) volume system on GPT."""
def setUp(self):
"""Sets up the needed objects used throughout the test."""
test_path = self._GetTestFilePath(['gpt.raw'])
self._SkipIfPathNotExists(test_path)
test_os_path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_OS, location=test_path)
self._tsk_path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_TSK_PARTITION, location='/',
parent=test_os_path_spec)
# mmls test_data/gpt.raw
# GUID Partition Table (EFI)
# Offset Sector: 0
# Units are in 512-byte sectors
#
# Slot Start End Length Description
# 000: Meta 0000000000 0000000000 0000000001 Safety Table
# 001: ------- 0000000000 0000002047 0000002048 Unallocated
# 002: Meta 0000000001 0000000001 0000000001 GPT Header
# 003: Meta 0000000002 0000000033 0000000032 Partition Table
# 004: 000 0000002048 0000002175 0000000128 Linux filesystem
# 005: ------- 0000002176 0000004095 0000001920 Unallocated
# 006: 001 0000004096 0000004223 0000000128 Linux filesystem
# 007: ------- 0000004224 0000008191 0000003968 Unallocated
def testIterateVolumes(self):
"""Test the iterate volumes functionality."""
volume_system = tsk_volume_system.TSKVolumeSystem()
volume_system.Open(self._tsk_path_spec)
self.assertEqual(volume_system.bytes_per_sector, 512)
self.assertEqual(volume_system.number_of_sections, 8)
self.assertEqual(volume_system.number_of_volumes, 2)
self.assertEqual(volume_system.volume_identifiers, ['p1', 'p2'])
volume = volume_system.GetVolumeByIndex(1)
self.assertIsNotNone(volume)
self.assertEqual(volume.number_of_extents, 1)
self.assertEqual(volume.number_of_attributes, 2)
self.assertEqual(volume.identifier, 'p2')
volume_attribute = volume.GetAttribute('address')
self.assertIsNotNone(volume_attribute)
self.assertEqual(volume_attribute.value, 6)
volume_attribute = volume.GetAttribute('description')
self.assertIsNotNone(volume_attribute)
self.assertEqual(volume_attribute.value, 'Linux filesystem')
volume_extent = volume.extents[0]
self.assertIsNotNone(volume_extent)
self.assertEqual(volume_extent.offset, 4096 * 512)
self.assertEqual(volume_extent.size, 128 * 512)
self.assertEqual(volume_extent.extent_type, volume_extent.EXTENT_TYPE_DATA)
volume = volume_system.GetVolumeByIndex(9)
self.assertIsNone(volume)
class TSKVolumeSystemTestMBR(shared_test_lib.BaseTestCase):
"""Tests the SleuthKit (TSK) volume system on MBR."""
def setUp(self):
"""Sets up the needed objects used throughout the test."""
test_path = self._GetTestFilePath(['mbr.raw'])
self._SkipIfPathNotExists(test_path)
test_os_path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_OS, location=test_path)
self._tsk_path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_TSK_PARTITION, location='/',
parent=test_os_path_spec)
# mmls test_data/mbr.raw
# DOS Partition Table
# Offset Sector: 0
# Units are in 512-byte sectors
#
# Slot Start End Length Description
# 000: Meta 0000000000 0000000000 0000000001 Primary Table (#0)
# 001: ------- 0000000000 0000000000 0000000001 Unallocated
# 002: 000:000 0000000001 0000000129 0000000129 Linux (0x83)
# 003: Meta 0000000130 0000008191 0000008062 DOS Extended (0x05)
# 004: Meta 0000000130 0000000130 0000000001 Extended Table (#1)
# 005: ------- 0000000130 0000000130 0000000001 Unallocated
# 006: 001:000 0000000131 0000000259 0000000129 Linux (0x83)
# 007: ------- 0000000260 0000008191 0000007932 Unallocated
def testIterateVolumes(self):
"""Test the iterate volumes functionality."""
volume_system = tsk_volume_system.TSKVolumeSystem()
volume_system.Open(self._tsk_path_spec)
self.assertEqual(volume_system.bytes_per_sector, 512)
self.assertEqual(volume_system.number_of_sections, 8)
self.assertEqual(volume_system.number_of_volumes, 2)
self.assertEqual(volume_system.volume_identifiers, ['p1', 'p2'])
volume = volume_system.GetVolumeByIndex(1)
self.assertIsNotNone(volume)
self.assertEqual(volume.number_of_extents, 1)
self.assertEqual(volume.number_of_attributes, 2)
self.assertEqual(volume.identifier, 'p2')
volume_attribute = volume.GetAttribute('address')
self.assertIsNotNone(volume_attribute)
self.assertEqual(volume_attribute.value, 6)
volume_attribute = volume.GetAttribute('description')
self.assertIsNotNone(volume_attribute)
self.assertEqual(volume_attribute.value, 'Linux (0x83)')
volume_extent = volume.extents[0]
self.assertIsNotNone(volume_extent)
self.assertEqual(volume_extent.offset, 131 * 512)
self.assertEqual(volume_extent.size, 129 * 512)
self.assertEqual(volume_extent.extent_type, volume_extent.EXTENT_TYPE_DATA)
volume = volume_system.GetVolumeByIndex(9)
self.assertIsNone(volume)
if __name__ == '__main__':
unittest.main()
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