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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
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commit 8f8cd483fd
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1 changed files with 36 additions and 25 deletions
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61
bin/stegano-lsb-set
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@ -1,5 +1,5 @@
#!/usr/bin/env python #!/usr/bin/env python
#-*- coding: utf-8 -*- # -*- coding: utf-8 -*-
# Stéganô - Stéganô is a basic Python Steganography module. # Stéganô - Stéganô is a basic Python Steganography module.
# Copyright (C) 2010-2017 Cédric Bonhomme - https://www.cedricbonhomme.org # Copyright (C) 2010-2017 Cédric Bonhomme - https://www.cedricbonhomme.org
@ -40,58 +40,69 @@ import argparse
parser = argparse.ArgumentParser(prog='stegano-lsb-set') parser = argparse.ArgumentParser(prog='stegano-lsb-set')
subparsers = parser.add_subparsers(help='sub-command help', dest='command') 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 # Subparser: Hide
parser_hide = subparsers.add_parser('hide', help='hide help') parser_hide = subparsers.add_parser('hide', help='hide help')
# Original image # Original image
parser_hide.add_argument("-i", "--input", dest="input_image_file", parser_hide.add_argument("-i", "--input", dest="input_image_file",
required=True, help="Input image file.") required=True, help="Input image file.")
parser_hide.add_argument("-e", "--encoding", dest="encoding", parser_hide.add_argument("-e", "--encoding", dest="encoding",
choices=tools.ENCODINGS.keys(), default='UTF-8', choices=tools.ENCODINGS.keys(), default='UTF-8',
help="Specify the encoding of the message to hide." + help="Specify the encoding of the message to hide." +
" UTF-8 (default) or UTF-32LE.") " UTF-8 (default) or UTF-32LE.")
# Generator # Generator
parser_hide.add_argument("-g", "--generator", dest="generator_function", parser_hide.add_argument("-g", "--generator", dest="generator_function",
# choices=[generator[0] for generator in \ action=ValidateGenerator,
# inspect.getmembers(generators, inspect.isfunction)], nargs='*', required=True, help="Generator (with optional arguments)")
nargs='*', required=True, help="Generator")
parser_hide.add_argument("-s", "--shift", dest="shift", parser_hide.add_argument("-s", "--shift", dest="shift",
default=0, help="Shift for the generator") default=0, help="Shift for the generator")
group_secret = parser_hide.add_mutually_exclusive_group(required=True) group_secret = parser_hide.add_mutually_exclusive_group(required=True)
# Non binary secret message to hide # Non binary secret message to hide
group_secret.add_argument("-m", dest="secret_message", group_secret.add_argument("-m", dest="secret_message",
help="Your secret message to hide (non binary).") help="Your secret message to hide (non binary).")
# Binary secret message to hide # Binary secret message to hide
group_secret.add_argument("-f", dest="secret_file", group_secret.add_argument("-f", dest="secret_file",
help="Your secret to hide (Text or any binary file).") help="Your secret to hide (Text or any binary file).")
# Image containing the secret # Image containing the secret
parser_hide.add_argument("-o", "--output", dest="output_image_file", parser_hide.add_argument("-o", "--output", dest="output_image_file",
required=True, help="Output image containing the secret.") required=True, help="Output image containing the secret.")
# Subparser: Reveal # Subparser: Reveal
parser_reveal = subparsers.add_parser('reveal', help='reveal help') parser_reveal = subparsers.add_parser('reveal', help='reveal help')
parser_reveal.add_argument("-i", "--input", dest="input_image_file", parser_reveal.add_argument("-i", "--input", dest="input_image_file",
required=True, help="Input image file.") required=True, help="Input image file.")
parser_reveal.add_argument("-e", "--encoding", dest="encoding", parser_reveal.add_argument("-e", "--encoding", dest="encoding",
choices=tools.ENCODINGS.keys(), default='UTF-8', choices=tools.ENCODINGS.keys(), default='UTF-8',
help="Specify the encoding of the message to reveal." + help="Specify the encoding of the message to reveal." +
" UTF-8 (default) or UTF-32LE.") " UTF-8 (default) or UTF-32LE.")
parser_reveal.add_argument("-g", "--generator", dest="generator_function", parser_reveal.add_argument("-g", "--generator", dest="generator_function",
# choices=[generator[0] for generator in \ action=ValidateGenerator,
# inspect.getmembers(generators, inspect.isfunction)], nargs='*', required=True, help="Generator (with optional arguments)")
nargs='*', required=True, help="Generator")
parser_reveal.add_argument("-s", "--shift", dest="shift", parser_reveal.add_argument("-s", "--shift", dest="shift",
default=0, help="Shift for the generator") default=0, help="Shift for the generator")
parser_reveal.add_argument("-o", dest="secret_binary", parser_reveal.add_argument("-o", dest="secret_binary",
help="Output for the binary secret (Text or any binary file).") help="Output for the binary secret (Text or any binary file).")
# Subparser: List generators # Subparser: List generators
parser_list_generators = subparsers.add_parser('list-generators', parser_list_generators = subparsers.add_parser('list-generators',
help='list-generators help') help='list-generators help')
arguments = parser.parse_args() arguments = parser.parse_args()
@ -105,11 +116,11 @@ if arguments.command != 'list-generators':
try: try:
if (len(arguments.generator_function) > 1): if (len(arguments.generator_function) > 1):
generator = getattr(generators, arguments.generator_function[0])\ generator = getattr(generators, arguments.generator_function[0])(
(*[int(e) for e in arguments.generator_function[1:]]) *[int(e) for e in arguments.generator_function[1:]])
else: else:
generator = getattr(generators, arguments.generator_function[0])() generator = getattr(generators, arguments.generator_function[0])()
except AttributeError as e: except AttributeError as e:
print("Unknown generator: {}".format(arguments.generator_function)) print("Unknown generator: {}".format(arguments.generator_function))
exit(1) exit(1)