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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Tests for the psteal CLI tool."""
from __future__ import unicode_literals
import argparse
import io
import os
import unittest
from dfvfs.resolver import resolver as dfvfs_resolver
from plaso.cli import psteal_tool
from plaso.lib import errors
from tests import test_lib as shared_test_lib
from tests.cli import test_lib
class PstealToolTest(test_lib.CLIToolTestCase):
"""Tests for the psteal CLI tool."""
# pylint: disable=protected-access
_BDE_PASSWORD = 'bde-TEST'
_EXPECTED_OUTPUT_TIME_ZONE_OPTION = """\
usage: psteal_test.py [--output_time_zone TIME_ZONE]
Test argument parser.
optional arguments:
--output_time_zone TIME_ZONE, --output-time-zone TIME_ZONE
time zone of date and time values written to the
output, if supported by the output format. Output
formats that support this are: dynamic and l2t_csv.
Use "list" to see a list of available time zones.
"""
_EXPECTED_PROCESSING_OPTIONS = '\n'.join([
'usage: psteal_test.py',
'',
'Test argument parser.',
''])
_STORAGE_FILENAME_TEMPLATE = r'\d{{8}}T\d{{6}}-{filename}.plaso'
def _CheckOutput(self, output, expected_output):
"""Compares the output against the expected output.
The actual processing time is ignored, since it can vary.
Args:
output (str): tool output.
expected_output (list[str]): expected tool output.
"""
output = output.split('\n')
self.assertEqual(output[:3], expected_output[:3])
self.assertTrue(output[3].startswith('Processing time\t\t: '))
self.assertEqual(output[4:], expected_output[4:])
def testGenerateStorageFileName(self):
"""Tests the _GenerateStorageFileName function."""
test_tool = psteal_tool.PstealTool()
test_tool._source_path = '/test/storage/path'
storage_filename = test_tool._GenerateStorageFileName()
expected_storage_filename = self._STORAGE_FILENAME_TEMPLATE.format(
filename='path')
self.assertRegex(storage_filename, expected_storage_filename)
test_tool._source_path = '/test/storage/path/'
storage_filename = test_tool._GenerateStorageFileName()
expected_storage_filename = self._STORAGE_FILENAME_TEMPLATE.format(
filename='path')
self.assertRegex(storage_filename, expected_storage_filename)
test_tool._source_path = '/'
storage_filename = test_tool._GenerateStorageFileName()
expected_storage_filename = self._STORAGE_FILENAME_TEMPLATE.format(
filename='ROOT')
self.assertRegex(storage_filename, expected_storage_filename)
test_tool._source_path = '/foo/..'
storage_filename = test_tool._GenerateStorageFileName()
expected_storage_filename = self._STORAGE_FILENAME_TEMPLATE.format(
filename='ROOT')
self.assertRegex(storage_filename, expected_storage_filename)
test_tool._source_path = 'foo/../bar'
storage_filename = test_tool._GenerateStorageFileName()
expected_storage_filename = self._STORAGE_FILENAME_TEMPLATE.format(
filename='bar')
self.assertRegex(storage_filename, expected_storage_filename)
def testParseOutputTimeZoneOption(self):
"""Tests the _ParseOutputTimeZoneOption function."""
test_tool = psteal_tool.PstealTool()
options = test_lib.TestOptions()
test_tool._ParseOutputTimeZoneOption(options)
self.assertIsNone(test_tool._output_time_zone)
options.output_time_zone = 'list'
test_tool._ParseOutputTimeZoneOption(options)
self.assertIsNone(test_tool._output_time_zone)
options.output_time_zone = 'CET'
test_tool._ParseOutputTimeZoneOption(options)
self.assertEqual(test_tool._output_time_zone, 'CET')
def testAddOutputTimeZoneOption(self):
"""Tests the AddOutputTimeZoneOption function."""
argument_parser = argparse.ArgumentParser(
prog='psteal_test.py', description='Test argument parser.',
add_help=False, formatter_class=test_lib.SortedArgumentsHelpFormatter)
test_tool = psteal_tool.PstealTool()
test_tool.AddOutputTimeZoneOption(argument_parser)
output = self._RunArgparseFormatHelp(argument_parser)
self.assertEqual(output, self._EXPECTED_OUTPUT_TIME_ZONE_OPTION)
def testFailWhenOutputAlreadyExists(self):
"""Test to make sure the tool raises when the output file already exists."""
test_artifacts_path = self._GetTestFilePath(['artifacts'])
self._SkipIfPathNotExists(test_artifacts_path)
test_file_path = self._GetTestFilePath(['psteal_test.plaso'])
self._SkipIfPathNotExists(test_file_path)
output_writer = test_lib.TestOutputWriter(encoding='utf-8')
test_tool = psteal_tool.PstealTool(output_writer=output_writer)
options = test_lib.TestOptions()
options.artifact_definitions_path = test_artifacts_path
options.storage_file = test_file_path
options.source = 'unused_source'
with shared_test_lib.TempDirectory() as temp_directory:
options.log_file = os.path.join(temp_directory, 'output.log')
options.write = os.path.join(temp_directory, 'output.txt')
with open(options.write, 'w') as file_object:
file_object.write('bogus')
# Test when output file already exists.
# Escape \ otherwise assertRaisesRegexp can error with:
# error: bogus escape: '\\1'
expected_error = 'Output file already exists: {0:s}.'.format(
options.write.replace('\\', '\\\\'))
with self.assertRaisesRegex(errors.BadConfigOption, expected_error):
test_tool.ParseOptions(options)
def testParseOptions(self):
"""Tests the ParseOptions function."""
test_artifacts_path = self._GetTestFilePath(['artifacts'])
self._SkipIfPathNotExists(test_artifacts_path)
test_file_path = self._GetTestFilePath(['testdir'])
self._SkipIfPathNotExists(test_file_path)
output_writer = test_lib.TestOutputWriter(encoding='utf-8')
test_tool = psteal_tool.PstealTool(output_writer=output_writer)
options = test_lib.TestOptions()
options.artifact_definitions_path = test_artifacts_path
options.source = 'source'
# Test when the output file is missing.
expected_error = 'Output format: dynamic requires an output file'
with self.assertRaisesRegex(errors.BadConfigOption, expected_error):
test_tool.ParseOptions(options)
options = test_lib.TestOptions()
options.write = 'output.csv'
# Test when the source is missing.
expected_error = 'Missing source path.'
with self.assertRaisesRegex(errors.BadConfigOption, expected_error):
test_tool.ParseOptions(options)
# Test when the source is missing.
expected_error = 'Missing source path.'
with self.assertRaisesRegex(errors.BadConfigOption, expected_error):
test_tool.ParseOptions(options)
with shared_test_lib.TempDirectory() as temp_directory:
options.log_file = os.path.join(temp_directory, 'output.log')
options.source = test_file_path
options.write = os.path.join(temp_directory, 'dynamic.out')
# Test when both source and output are specified.
test_tool.ParseOptions(options)
with open(options.write, 'w') as file_object:
file_object.write('bogus')
# Test when output file already exists.
# Escape \ otherwise assertRaisesRegexp can error with:
# error: bogus escape: '\\1'
expected_error = 'Output file already exists: {0:s}.'.format(
options.write.replace('\\', '\\\\'))
with self.assertRaisesRegex(errors.BadConfigOption, expected_error):
test_tool.ParseOptions(options)
def testParseArguments(self):
"""Tests the ParseArguments function"""
output_writer = test_lib.TestOutputWriter(encoding='utf-8')
test_tool = psteal_tool.PstealTool(output_writer=output_writer)
# Test ParseArguments with no output file nor source.
result = test_tool.ParseArguments([])
self.assertFalse(result)
output = output_writer.ReadOutput()
expected_error = 'ERROR: Output format: dynamic requires an output file'
self.assertIn(expected_error, output)
def testExtractEventsFromSourceDirectory(self):
"""Tests the ExtractEventsFromSources function on a directory."""
test_artifacts_path = self._GetTestFilePath(['artifacts'])
self._SkipIfPathNotExists(test_artifacts_path)
test_file_path = self._GetTestFilePath(['testdir'])
self._SkipIfPathNotExists(test_file_path)
output_writer = test_lib.TestOutputWriter(encoding='utf-8')
test_tool = psteal_tool.PstealTool(output_writer=output_writer)
options = test_lib.TestOptions()
options.artifact_definitions_path = test_artifacts_path
options.quiet = True
options.status_view_mode = 'none'
options.source = test_file_path
with shared_test_lib.TempDirectory() as temp_directory:
options.log_file = os.path.join(temp_directory, 'output.log')
options.storage_file = os.path.join(temp_directory, 'storage.plaso')
options.write = os.path.join(temp_directory, 'output.txt')
test_tool.ParseOptions(options)
test_tool.ExtractEventsFromSources()
expected_output = [
'',
'Source path\t\t: {0:s}'.format(options.source),
'Source type\t\t: directory',
'Processing time\t\t: 00:00:00',
'',
'Processing started.',
'Processing completed.',
'',
'']
output = output_writer.ReadOutput()
self._CheckOutput(output, expected_output)
def testExtractEventsFromSourceBDEImage(self):
"""Tests the ExtractEventsFromSources function on an image with BDE."""
test_artifacts_path = self._GetTestFilePath(['artifacts'])
self._SkipIfPathNotExists(test_artifacts_path)
test_file_path = self._GetTestFilePath(['bdetogo.raw'])
self._SkipIfPathNotExists(test_file_path)
dfvfs_resolver.Resolver.key_chain.Empty()
output_writer = test_lib.TestOutputWriter(encoding='utf-8')
test_tool = psteal_tool.PstealTool(output_writer=output_writer)
options = test_lib.TestOptions()
options.artifact_definitions_path = test_artifacts_path
options.credentials = ['password:{0:s}'.format(self._BDE_PASSWORD)]
options.quiet = True
options.source = test_file_path
options.status_view_mode = 'none'
with shared_test_lib.TempDirectory() as temp_directory:
options.log_file = os.path.join(temp_directory, 'output.log')
options.storage_file = os.path.join(temp_directory, 'storage.plaso')
options.write = os.path.join(temp_directory, 'output.txt')
test_tool.ParseOptions(options)
test_tool.ExtractEventsFromSources()
expected_output = [
'',
'Source path\t\t: {0:s}'.format(options.source),
'Source type\t\t: storage media image',
'Processing time\t\t: 00:00:00',
'',
'Processing started.',
'Processing completed.',
'',
'']
output = output_writer.ReadOutput()
self._CheckOutput(output, expected_output)
def testExtractEventsFromSourcesImage(self):
"""Tests the ExtractEventsFromSources function on a single partition."""
test_artifacts_path = self._GetTestFilePath(['artifacts'])
self._SkipIfPathNotExists(test_artifacts_path)
test_file_path = self._GetTestFilePath(['ímynd.dd'])
self._SkipIfPathNotExists(test_file_path)
output_writer = test_lib.TestOutputWriter(encoding='utf-8')
test_tool = psteal_tool.PstealTool(output_writer=output_writer)
options = test_lib.TestOptions()
options.artifact_definitions_path = test_artifacts_path
options.quiet = True
options.status_view_mode = 'none'
options.source = test_file_path
with shared_test_lib.TempDirectory() as temp_directory:
options.log_file = os.path.join(temp_directory, 'output.log')
options.storage_file = os.path.join(temp_directory, 'storage.plaso')
options.write = os.path.join(temp_directory, 'output.txt')
test_tool.ParseOptions(options)
test_tool.ExtractEventsFromSources()
expected_output = [
'',
'Source path\t\t: {0:s}'.format(options.source),
'Source type\t\t: storage media image',
'Processing time\t\t: 00:00:00',
'',
'Processing started.',
'Processing completed.',
'',
'']
output = output_writer.ReadOutput()
self._CheckOutput(output, expected_output)
def testExtractEventsFromSourcePartitionedImage(self):
"""Tests the ExtractEventsFromSources function on a partitioned image."""
test_artifacts_path = self._GetTestFilePath(['artifacts'])
self._SkipIfPathNotExists(test_artifacts_path)
# Note that the source file is a RAW (VMDK flat) image.
test_file_path = self._GetTestFilePath(['multi_partition_image.vmdk'])
self._SkipIfPathNotExists(test_file_path)
output_writer = test_lib.TestOutputWriter(encoding='utf-8')
test_tool = psteal_tool.PstealTool(output_writer=output_writer)
options = test_lib.TestOptions()
options.artifact_definitions_path = test_artifacts_path
options.partitions = 'all'
options.quiet = True
options.status_view_mode = 'none'
options.source = test_file_path
with shared_test_lib.TempDirectory() as temp_directory:
options.log_file = os.path.join(temp_directory, 'output.log')
options.storage_file = os.path.join(temp_directory, 'storage.plaso')
options.write = os.path.join(temp_directory, 'output.txt')
test_tool.ParseOptions(options)
test_tool.ExtractEventsFromSources()
expected_output = [
'',
'Source path\t\t: {0:s}'.format(options.source),
'Source type\t\t: storage media image',
'Processing time\t\t: 00:00:00',
'',
'Processing started.',
'Processing completed.',
'',
'']
output = output_writer.ReadOutput()
self._CheckOutput(output, expected_output)
def testExtractEventsFromSourceVSSImage(self):
"""Tests the ExtractEventsFromSources function on an image with VSS."""
test_artifacts_path = self._GetTestFilePath(['artifacts'])
self._SkipIfPathNotExists(test_artifacts_path)
test_file_path = self._GetTestFilePath(['vsstest.qcow2'])
self._SkipIfPathNotExists(test_file_path)
output_writer = test_lib.TestOutputWriter(encoding='utf-8')
test_tool = psteal_tool.PstealTool(output_writer=output_writer)
options = test_lib.TestOptions()
options.artifact_definitions_path = test_artifacts_path
options.quiet = True
options.single_process = True
options.status_view_mode = 'none'
options.source = test_file_path
options.vss_stores = 'all'
with shared_test_lib.TempDirectory() as temp_directory:
options.log_file = os.path.join(temp_directory, 'output.log')
options.storage_file = os.path.join(temp_directory, 'storage.plaso')
options.write = os.path.join(temp_directory, 'output.txt')
test_tool.ParseOptions(options)
test_tool.ExtractEventsFromSources()
expected_output = [
'',
'Source path\t\t: {0:s}'.format(options.source),
'Source type\t\t: storage media image',
'Processing time\t\t: 00:00:00',
'',
'Processing started.',
'Processing completed.',
'',
'Number of warnings generated while extracting events: 3.',
'',
'Use pinfo to inspect warnings in more detail.',
'',
'']
output = output_writer.ReadOutput()
self._CheckOutput(output, expected_output)
def testExtractEventsFromSourceSingleFile(self):
"""Tests the ExtractEventsFromSources function on a single file."""
test_artifacts_path = self._GetTestFilePath(['artifacts'])
self._SkipIfPathNotExists(test_artifacts_path)
test_file_path = self._GetTestFilePath(['System.evtx'])
self._SkipIfPathNotExists(test_file_path)
output_writer = test_lib.TestOutputWriter(encoding='utf-8')
test_tool = psteal_tool.PstealTool(output_writer=output_writer)
options = test_lib.TestOptions()
options.artifact_definitions_path = test_artifacts_path
options.quiet = True
options.status_view_mode = 'none'
options.source = test_file_path
with shared_test_lib.TempDirectory() as temp_directory:
options.log_file = os.path.join(temp_directory, 'output.log')
options.storage_file = os.path.join(temp_directory, 'storage.plaso')
options.write = os.path.join(temp_directory, 'output.txt')
test_tool.ParseOptions(options)
test_tool.ExtractEventsFromSources()
expected_output = [
'',
'Source path\t\t: {0:s}'.format(options.source),
'Source type\t\t: single file',
'Processing time\t\t: 00:00:00',
'',
'Processing started.',
'Processing completed.',
'',
'']
output = output_writer.ReadOutput()
self._CheckOutput(output, expected_output)
def testProcessStorage(self):
"""Test the AnalyzeEvents function"""
test_artifacts_path = self._GetTestFilePath(['artifacts'])
self._SkipIfPathNotExists(test_artifacts_path)
test_file_path = self._GetTestFilePath(['psort_test.plaso'])
self._SkipIfPathNotExists(test_file_path)
expected_output_file_path = self._GetTestFilePath(
['end_to_end', 'dynamic.log'])
self._SkipIfPathNotExists(expected_output_file_path)
output_writer = test_lib.TestOutputWriter(encoding='utf-8')
test_tool = psteal_tool.PstealTool(output_writer=output_writer)
options = test_lib.TestOptions()
options.artifact_definitions_path = test_artifacts_path
options.storage_file = test_file_path
options.source = 'unused_source'
with shared_test_lib.TempDirectory() as temp_directory:
options.log_file = os.path.join(temp_directory, 'output.log')
options.write = os.path.join(temp_directory, 'output.txt')
test_tool.ParseOptions(options)
test_tool.AnalyzeEvents()
with io.open(
expected_output_file_path, 'rt', encoding='utf-8') as file_object:
expected_output = file_object.read()
with io.open(options.write, 'rt', encoding='utf-8') as file_object:
result_output = file_object.read()
expected_output = sorted(expected_output.split('\n'))
result_output = sorted(result_output.split('\n'))
self.assertEqual(expected_output, result_output)
output = output_writer.ReadOutput()
self.assertIn('Processing completed.', output)
if __name__ == '__main__':
unittest.main()
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