import sys
from dfvfs.analyzer import analyzer
from dfvfs.analyzer import fvde_analyzer_helper
from dfvfs.helpers import command_line
from dfvfs.helpers import volume_scanner
from dfvfs.lib import definitions as dfvfs_definitions
from dfvfs.lib import errors
from dfvfs.resolver import resolver
from scripts import helpers
try:
# Disable experimental FVDE support.
analyzer.Analyzer.DeregisterHelper(
fvde_analyzer_helper.FVDEAnalyzerHelper())
except KeyError:
pass
class FileEntryLister(volume_scanner.VolumeScanner):
"""File entry lister."""
_NON_PRINTABLE_CHARACTERS = list(range(0, 0x20)) + list(range(0x7f, 0xa0))
_ESCAPE_CHARACTERS = str.maketrans({
value: '\\x{0:02x}'.format(value)
for value in _NON_PRINTABLE_CHARACTERS
})
def __init__(self, mediator=None):
"""Initializes a file entry lister.
import sys
from dfvfs.analyzer import analyzer
from dfvfs.analyzer import fvde_analyzer_helper
from dfvfs.lib import definitions as dfvfs_definitions
from dfvfs.lib import errors as dfvfs_errors
from dfvfs.helpers import command_line
from dfvfs.helpers import volume_scanner
from dfvfs.resolver import resolver
from scripts import helpers
try:
# Disable experimental FVDE support.
analyzer.Analyzer.DeregisterHelper(fvde_analyzer_helper.FVDEAnalyzerHelper())
except KeyError:
pass
class RecursiveHasher(volume_scanner.VolumeScanner):
"""Recursively calculates message digest hashes of data streams."""
# Class constant that defines the default read buffer size.
_READ_BUFFER_SIZE = 16 * 1024 * 1024
# List of tuple that contain:
# tuple: full path represented as a tuple of path segments
# str: data stream name
_PATHS_TO_IGNORE = frozenset([
(('$BadClus', ), '$Bad')])
