mvt/mvt/ios/modules/fs/base.py

56 lines
2.2 KiB
Python

# Mobile Verification Toolkit (MVT)
# Copyright (c) 2021 MVT Project Developers.
# See the file 'LICENSE' for usage and copying permissions, or find a copy at
# https://github.com/mvt-project/mvt/blob/main/LICENSE
import os
import glob
from mvt.common.module import MVTModule
class IOSExtraction(MVTModule):
"""This class provides a base for all iOS filesystem/backup extraction modules."""
is_backup = False
is_fs_dump = False
is_sysdiagnose = False
def _find_ios_database(self, backup_ids=None, root_paths=[]):
"""Try to locate the module's database file from either an iTunes
backup or a full filesystem dump.
:param backup_id: iTunes backup database file's ID (or hash).
"""
file_path = None
# First we check if the was an explicit file path specified.
if not self.file_path:
# If not, we first try with backups.
# We construct the path to the file according to the iTunes backup
# folder structure, if we have a valid ID.
if backup_ids:
for backup_id in backup_ids:
file_path = os.path.join(self.base_folder, backup_id[0:2], backup_id)
# If we found the correct backup file, then we stop searching.
if os.path.exists(file_path):
break
# If this file does not exist we might be processing a full
# filesystem dump (checkra1n all the things!).
if not file_path or not os.path.exists(file_path):
# We reset the file_path.
file_path = None
for root_path in root_paths:
for found_path in glob.glob(os.path.join(self.base_folder, root_path)):
# If we find a valid path, we set file_path.
if os.path.exists(found_path):
file_path = found_path
break
# Otherwise, we reset the file_path again.
file_path = None
# If we do not find any, we fail.
if file_path:
self.file_path = file_path
else:
raise FileNotFoundError("Unable to find the module's database file")