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Adde CLI support for the fast Ackermann generator

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AdrienCos 2019-06-04 11:36:40 -04:00
parent 45cdb9a3a5
commit 8f8cd483fd
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GPG key ID: 97AD9AEBCA16D08D
1 changed files with 36 additions and 25 deletions
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29
bin/stegano-lsb-set
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@ -1,5 +1,5 @@
#!/usr/bin/env python
#-*- coding: utf-8 -*-
# -*- coding: utf-8 -*-
# Stéganô - Stéganô is a basic Python Steganography module.
# Copyright (C) 2010-2017 Cédric Bonhomme - https://www.cedricbonhomme.org
@ -40,6 +40,19 @@ import argparse
parser = argparse.ArgumentParser(prog='stegano-lsb-set')
subparsers = parser.add_subparsers(help='sub-command help', dest='command')
class ValidateGenerator(argparse.Action):
def __call__(self, parser, args, values, option_string=None):
valid_generators = [generator[0] for generator in inspect.getmembers(
generators, inspect.isfunction)]
# Verify that the generator is valid
generator = values[0]
if generator not in valid_generators:
raise ValueError("Unknown generator: %s" % generator)
# Set the generator_function arg of the parser
setattr(args, self.dest, values)
# Subparser: Hide
parser_hide = subparsers.add_parser('hide', help='hide help')
# Original image
@ -52,9 +65,8 @@ parser_hide.add_argument("-e", "--encoding", dest="encoding",
# Generator
parser_hide.add_argument("-g", "--generator", dest="generator_function",
# choices=[generator[0] for generator in \
# inspect.getmembers(generators, inspect.isfunction)],
nargs='*', required=True, help="Generator")
action=ValidateGenerator,
nargs='*', required=True, help="Generator (with optional arguments)")
parser_hide.add_argument("-s", "--shift", dest="shift",
default=0, help="Shift for the generator")
@ -80,9 +92,8 @@ parser_reveal.add_argument("-e", "--encoding", dest="encoding",
help="Specify the encoding of the message to reveal." +
" UTF-8 (default) or UTF-32LE.")
parser_reveal.add_argument("-g", "--generator", dest="generator_function",
# choices=[generator[0] for generator in \
# inspect.getmembers(generators, inspect.isfunction)],
nargs='*', required=True, help="Generator")
action=ValidateGenerator,
nargs='*', required=True, help="Generator (with optional arguments)")
parser_reveal.add_argument("-s", "--shift", dest="shift",
default=0, help="Shift for the generator")
parser_reveal.add_argument("-o", dest="secret_binary",
@ -105,8 +116,8 @@ if arguments.command != 'list-generators':
try:
if (len(arguments.generator_function) > 1):
generator = getattr(generators, arguments.generator_function[0])\
(*[int(e) for e in arguments.generator_function[1:]])
generator = getattr(generators, arguments.generator_function[0])(
*[int(e) for e in arguments.generator_function[1:]])
else:
generator = getattr(generators, arguments.generator_function[0])()