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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2012, The Honeynet Project. All rights reserved.
# Author: Kun Yang <>
# APKIL is free software: you can redistribute it and/or modify it under
# the terms of version 3 of the GNU Lesser General Public License as
# published by the Free Software Foundation.
# APKIL 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 Lesser General Public License for
# more details.
# You should have received a copy of the GNU Lesser General Public License
# along with APKIL. If not, see <>.
import sys
import os
import shutil
import time
import argparse
from androguard.core.bytecodes import apk
from apkil import smali, monitor, logger
from subprocess import call
working_dir = sys.path[0]
default_api = os.path.join(working_dir, "config", "default_api_collection")
parser = argparse.ArgumentParser(description=\
'Repackage apk to monitor arbitrary APIs.')
parser.add_argument('-o, --output', metavar='dirpath', type=str, nargs=1,
help='output directory',
parser.add_argument('-l, --level', metavar='level', type=int, nargs=1,
help='target API level for instrumentation',
parser.add_argument('-a, --api', metavar='apilist', type=str,
help='config file of API list',
parser.add_argument('-v, --version', action='version',
version='DroidBoxAPIMonitor v0.1beta')
parser.add_argument('filename', type=str,
help='path of APK file')
args = parser.parse_args()
apk_name = os.path.basename(args.filename)
root_name, ext = os.path.splitext(apk_name)
if ext != ".apk":
print "error: not an APK file"
a = apk.APK(args.filename)
if args.output:
outdir = args.output[0]
outdir = os.path.dirname(args.filename)
api_config = args.api
db_path = os.path.join(working_dir, "androidlib")
mo = monitor.APIMonitor(db_path, config=api_config)
new_apk = os.path.join(outdir, root_name + "_new.apk")
outdir = os.path.join(outdir, "apimonitor_out")
if os.path.exists(outdir):
dexpath = os.path.join(outdir, "origin.dex")
smalidir = os.path.join(outdir, "origin_smali")
new_dexpath = os.path.join(outdir, "new.dex")
new_smalidir = os.path.join(outdir, "new_smali")
min_version = int(a.get_min_sdk_version())
if a.get_target_sdk_version():
target_version = int(a.get_target_sdk_version())
target_version = min_version
print "min_sdk_version=%d" % min_version
print "target_sdk_version=%d" % target_version
if (not args.level) or args.level[0] < min_version:
level = min_version
level = args.level[0]
dex_file = open(dexpath, 'w')
smali_jar = os.path.join(working_dir, "smali", "smali.jar")
baksmali_jar = os.path.join(working_dir, "smali", "baksmali.jar")
cert_path = os.path.join(working_dir, "config", "apkil.cert")
call(args=['java', '-jar', baksmali_jar,
'-b', '-o', smalidir, dexpath])
s = smali.SmaliTree(level, smalidir)
s = mo.inject(s, level)
call(args=['java', '-jar', smali_jar,
'-a', str(level), '-o', new_dexpath, new_smalidir])
new_dex = open(new_dexpath).read();
deleted_files="(META-INF/.)", new_files = {
"classes.dex" : new_dex } )
apk.sign_apk(new_apk, cert_path, "apkil", "apkilapkil" )
print "NEW APK: %s" % new_apk