mirror of
https://github.com/lief-project/LIEF
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lief-agent
118 lines
3.6 KiB
Python
118 lines
3.6 KiB
Python
#!/usr/bin/env python
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"""Pretty-print the structure of an Android VDEX file.
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Parses a ``.vdex`` container with ``lief.VDEX.parse`` and renders the
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header and (optionally) the embedded DEX files.
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Example:
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$ python vdex_reader.py -a primary.vdex
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"""
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import argparse
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import sys
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import traceback
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import lief
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from lief import VDEX
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EXIT_STATUS = 0
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class exceptions_handler(object):
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func = None
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def __init__(self, exceptions, on_except_callback=None):
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self.exceptions = exceptions
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self.on_except_callback = on_except_callback
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def __call__(self, *args, **kwargs):
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if self.func is None:
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self.func = args[0]
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return self
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try:
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return self.func(*args, **kwargs)
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except self.exceptions as e:
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global EXIT_STATUS
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print("{} raised: {}".format(self.func.__name__, e))
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EXIT_STATUS = 1
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if self.on_except_callback is not None:
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self.on_except_callback(e)
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else:
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print("-" * 60)
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print("Exception in {}: {}".format(self.func.__name__, e))
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traceback.print_exc()
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print("-" * 60)
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@exceptions_handler(Exception)
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def print_information(vdexfile):
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print("== Information ==")
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print("VDEX File version: {}".format(vdexfile.header.version))
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print("")
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@exceptions_handler(Exception)
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def print_header(vdexfile):
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print("== Header ==")
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print(vdexfile.header)
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@exceptions_handler(Exception)
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def print_dex_files(vdexfile):
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print("== Embedded DEX files ==")
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for dexfile in vdexfile.dex_files:
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print(dexfile)
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def main() -> int:
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parser = argparse.ArgumentParser(description=__doc__.splitlines()[0])
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parser.add_argument(
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"-a", "--all", action="store_true", dest="show_all", help="Show all information"
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)
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parser.add_argument(
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"-H", "--header", action="store_true", dest="show_header", help="Display header"
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)
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parser.add_argument(
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"-d", "--dex", action="store_true", dest="show_dex", help="Display embedded DEX files"
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)
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parser.add_argument("file", metavar="<vdex-file>", help="Target VDEX file")
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logger_group = parser.add_argument_group("Logger")
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verbosity = logger_group.add_mutually_exclusive_group()
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verbosity.add_argument("--debug", dest="main_verbosity", action="store_const",
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const=lief.logging.LEVEL.DEBUG)
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verbosity.add_argument("--trace", dest="main_verbosity", action="store_const",
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const=lief.logging.LEVEL.TRACE)
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verbosity.add_argument("--info", dest="main_verbosity", action="store_const",
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const=lief.logging.LEVEL.INFO)
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verbosity.add_argument("--warn", dest="main_verbosity", action="store_const",
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const=lief.logging.LEVEL.WARN)
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verbosity.add_argument("--err", dest="main_verbosity", action="store_const",
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const=lief.logging.LEVEL.ERROR)
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verbosity.add_argument("--critical", dest="main_verbosity", action="store_const",
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const=lief.logging.LEVEL.CRITICAL)
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parser.set_defaults(main_verbosity=lief.logging.LEVEL.WARN)
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args = parser.parse_args()
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lief.logging.set_level(args.main_verbosity)
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vdexfile = VDEX.parse(args.file)
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if vdexfile is None:
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print(f"Error: failed to parse '{args.file}' as VDEX", file=sys.stderr)
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return 1
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print_information(vdexfile)
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if args.show_header or args.show_all:
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print_header(vdexfile)
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if args.show_dex or args.show_all:
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print_dex_files(vdexfile)
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return EXIT_STATUS
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if __name__ == "__main__":
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sys.exit(main())
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