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from __future__ import absolute_import
from __future__ import division
import argparse
import sys
from pwnlib.commandline import common
from pwnlib.util.fiddling import enhex
from pwnlib.util.lists import group
parser = common.parser_commands.add_parser(
'hex',
help = 'Hex-encodes data provided on the command line or stdin',
description = 'Hex-encodes data provided on the command line or stdin')
parser.add_argument('data', nargs='*',
help='Data to convert into hex')
parser.add_argument(
'-p', '--prefix',
metavar = 'prefix',
type = str,
default = '',
help = 'Insert a prefix before each byte',
)
parser.add_argument(
'-s', '--separator',
metavar = 'separator',
type = str,
default = '',
help = 'Add a separator between each byte',
)
def format_hex(hex_string, prefix, separator):
return separator.join([prefix + x for x in group(2, hex_string)])
def main(args):
if not args.data:
encoded = enhex(getattr(sys.stdin, 'buffer', sys.stdin).read())
else:
data = ' '.join(args.data)
if not hasattr(data, 'decode'):
data = data.encode('utf-8', 'surrogateescape')
encoded = enhex(data)
if args.prefix or args.separator:
encoded = format_hex(encoded, args.prefix, args.separator)
print(encoded)
if __name__ == '__main__':
common.main(__file__, main)
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