LIEF/examples/python/vdex_reader.py
2020-11-09 21:02:50 +01:00

140 lines
3.8 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Description
# -----------
# Print information about Android VDEX files
import sys
import os
import argparse
import traceback
import lief
from lief import VDEX, DEX
EXIT_STATUS = 0
terminal_rows, terminal_columns = 100, 100
try:
terminal_rows, terminal_columns = os.popen('stty size', 'r').read().split()
except ValueError:
pass
class exceptions_handler(object):
func = None
def __init__(self, exceptions, on_except_callback=None):
self.exceptions = exceptions
self.on_except_callback = on_except_callback
def __call__(self, *args, **kwargs):
if self.func is None:
self.func = args[0]
return self
try:
return self.func(*args, **kwargs)
except self.exceptions as e:
global EXIT_STATUS
print("{} raised: {}".format(self.func.__name__, e))
EXIT_STATUS = 1
if self.on_except_callback is not None:
self.on_except_callback(e)
else:
print("-" * 60)
print("Exception in {}: {}".format(self.func.__name__, e))
exc_type, exc_value, exc_traceback = sys.exc_info()
traceback.print_tb(exc_traceback)
print("-" * 60)
@exceptions_handler(Exception)
def print_information(vdexfile):
print("== Information ==")
format_str = "{:<30} {:<30}"
format_hex = "{:<30} 0x{:<28x}"
format_dec = "{:<30} {:<30d}"
version = vdexfile.header.version
print("VDEX File version: {}".format(version))
print("")
@exceptions_handler(Exception)
def print_header(vdexfile):
format_str = "{:<33} {:<30}"
format_hex = "{:<33} 0x{:<28x}"
format_dec = "{:<33} {:<30d}"
print("== Header ==")
header = vdexfile.header
print(header)
def main():
parser = argparse.ArgumentParser(usage='%(prog)s [options] VDEX files')
parser.add_argument('-a', '--all',
action='store_true', dest='show_all',
help='Show all information')
parser.add_argument('-H', '--header',
action='store_true', dest='show_header',
help='Display header')
parser.add_argument("file",
metavar="<dex-file>",
help='Target DEX File')
# Logging setup
logger_group = parser.add_argument_group('Logger')
verbosity = logger_group.add_mutually_exclusive_group()
verbosity.add_argument('--debug',
dest='main_verbosity',
action='store_const',
const=lief.logging.LOGGING_LEVEL.DEBUG)
verbosity.add_argument('--trace',
dest='main_verbosity',
action='store_const',
const=lief.logging.LOGGING_LEVEL.TRACE)
verbosity.add_argument('--info',
dest='main_verbosity',
action='store_const',
const=lief.logging.LOGGING_LEVEL.INFO)
verbosity.add_argument('--warn',
dest='main_verbosity',
action='store_const',
const=lief.logging.LOGGING_LEVEL.WARNING)
verbosity.add_argument('--err',
dest='main_verbosity',
action='store_const',
const=lief.logging.LOGGING_LEVEL.ERROR)
verbosity.add_argument('--critical',
dest='main_verbosity',
action='store_const',
const=lief.logging.LOGGING_LEVEL.CRITICAL)
parser.set_defaults(main_verbosity=lief.logging.LOGGING_LEVEL.WARNING)
args = parser.parse_args()
lief.logging.set_level(args.main_verbosity)
vdexfile = None
try:
vdexfile = DEX.parse(args.file)
except lief.exception as e:
print(e)
sys.exit(1)
print_information(vdexfile)
if args.show_header or args.show_all:
print_header(vdexfile)
sys.exit(EXIT_STATUS)
if __name__ == "__main__":
main()