mirror of https://github.com/mvt-project/mvt.git
84 lines
3.1 KiB
Python
84 lines
3.1 KiB
Python
# Mobile Verification Toolkit (MVT)
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# Copyright (c) 2021-2022 Claudio Guarnieri.
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# Use of this software is governed by the MVT License 1.1 that can be found at
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# https://license.mvt.re/1.1/
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import getpass
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import io
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import logging
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import os
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import sys
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import tarfile
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from pathlib import Path
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from mvt.android.parsers.backup import (AndroidBackupParsingError,
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InvalidBackupPassword, parse_ab_header,
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parse_backup_file)
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from mvt.common.command import Command
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from .modules.backup import BACKUP_MODULES
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log = logging.getLogger(__name__)
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class CmdAndroidCheckBackup(Command):
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name = "check-backup"
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modules = BACKUP_MODULES
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def __init__(self, target_path: str = None, results_path: str = None,
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ioc_files: list = [], module_name: str = None, serial: str = None,
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fast_mode: bool = False):
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super().__init__(target_path=target_path, results_path=results_path,
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ioc_files=ioc_files, module_name=module_name,
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serial=serial, fast_mode=fast_mode, log=log)
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self.backup_type = None
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self.backup_archive = None
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self.backup_files = []
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def init(self):
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if os.path.isfile(self.target_path):
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self.backup_type = "ab"
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with open(self.target_path, "rb") as handle:
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data = handle.read()
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header = parse_ab_header(data)
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if not header["backup"]:
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log.critical("Invalid backup format, file should be in .ab format")
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sys.exit(1)
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password = None
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if header["encryption"] != "none":
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password = getpass.getpass(prompt="Backup Password: ", stream=None)
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try:
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tardata = parse_backup_file(data, password=password)
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except InvalidBackupPassword:
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log.critical("Invalid backup password")
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sys.exit(1)
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except AndroidBackupParsingError as e:
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log.critical("Impossible to parse this backup file: %s", e)
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log.critical("Please use Android Backup Extractor (ABE) instead")
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sys.exit(1)
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dbytes = io.BytesIO(tardata)
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self.backup_archive = tarfile.open(fileobj=dbytes)
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for member in self.backup_archive:
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self.backup_files.append(member.name)
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elif os.path.isdir(self.target_path):
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self.backup_type = "folder"
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self.target_path = Path(self.target_path).absolute().as_posix()
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for root, subdirs, subfiles in os.walk(os.path.abspath(self.target_path)):
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for fname in subfiles:
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self.backup_files.append(os.path.relpath(os.path.join(root, fname), self.target_path))
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else:
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log.critical("Invalid backup path, path should be a folder or an Android Backup (.ab) file")
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sys.exit(1)
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def module_init(self, module):
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if self.backup_type == "folder":
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module.from_folder(self.target_path, self.backup_files)
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else:
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module.from_ab(self.target_path, self.backup_archive, self.backup_files)
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