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abx.py
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abx.py
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# Android Backup Extractor
# Copyright (C) 2014 InFo-Lab
#
# This program is free software; you can redistribute it and/or modify it under the terms of the GNU
# Lesser General Public License as published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with this program; if not,
# write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# coding=utf-8
import argparse
import os
import sys
import zlib
# Android Backup description:
# http://nelenkov.blogspot.com.ar/2012/06/unpacking-android-backups.html
C_BUFFER_SIZE = 1048576
def ArgParse():
"""
Parses the command line arguments
:return: argparse dictionary
"""
# parse command line arguments
parser = argparse.ArgumentParser(
description="xbackup: extracts an Android ICS+ backup file.")
parser.add_argument("ipath",
help="Input path.")
parser.add_argument("opath",
help="Input path.")
args = parser.parse_args()
return args
def Extract(args):
"""
Extracts the .tar file of an Android Backup. Assumes the backup is not encrypted and is
compressed.
:param args:
:return:
"""
ifile = open(args.ipath, "rb")
ofile = open(args.opath, "wb")
data = ifile.read(C_BUFFER_SIZE)
pos = data.find("none\n") + 5
data = data[pos:]
dc = zlib.decompressobj()
while data:
ofile.write(dc.decompress(data))
data = ifile.read(C_BUFFER_SIZE)
ifile.close()
ofile.close()
def main():
args = ArgParse()
if os.path.isfile(args.ipath):
Extract(args)
else:
print "Could not open input file!."
return 1
return 0
if __name__ == "__main__":
sys.exit(main())