8d7613a419f51385e765cb9998da65eb488faa2e

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Build # 8d7613a419f51385e765cb9998da65eb488faa2e

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web-flow

Commit Message

Merge branch 'dev' into process-env-add-2

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87.5

/pwnlib/commandline/disasm.py

#!/usr/bin/env python2
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

import argparse
import string
import sys

import pwnlib.args
pwnlib.args.free_form = False

from pwn import *
from pwnlib.commandline import common

parser = common.parser_commands.add_parser(
    'disasm',
    help = 'Disassemble bytes into text format',
    description = 'Disassemble bytes into text format'
)

parser.add_argument(
    'hex',
    metavar = 'hex',
    nargs = '*',
    help = 'Hex-string to disassemble. If none are supplied, then it uses stdin in non-hex mode.'
)

parser.add_argument(
    '-c', '--context',
    metavar = 'arch_or_os',
    action = 'append',
    type   = common.context_arg,
    choices = common.choices,
    help = 'The os/architecture/endianness/bits the shellcode will run in (default: linux/i386), choose from: %s' % common.choices,
)


parser.add_argument(
    "-a","--address",
    metavar='address',
    help="Base address",
    type=str,
    default='0'
)


parser.add_argument(
    '--color',
    help="Color output",
    action='store_true',
    default=sys.stdout.isatty()
)

parser.add_argument(
    '--no-color',
    help="Disable color output",
    action='store_false',
    dest='color'
)


def main(args):
    if len(args.hex) > 0:
        dat = ''.join(args.hex).encode('utf-8', 'surrogateescape')
        dat = dat.translate(None, string.whitespace.encode('ascii'))
        if not set(string.hexdigits.encode('ascii')) >= set(dat):
            print("This is not a hex string")
            exit(-1)
        dat = unhex(dat)
    else:
        dat = getattr(sys.stdin, 'buffer', sys.stdin).read()


    if args.color:
        from pygments import highlight
        from pygments.formatters import TerminalFormatter
        from pwnlib.lexer import PwntoolsLexer

        offsets = disasm(dat, vma=safeeval.const(args.address), instructions=False, byte=False)
        bytes   = disasm(dat, vma=safeeval.const(args.address), instructions=False, offset=False)
        instrs  = disasm(dat, vma=safeeval.const(args.address), byte=False, offset=False)
        # instrs  = highlight(instrs, PwntoolsLexer(), TerminalFormatter())

        highlight_bytes = lambda t: ''.join(map(lambda x: x.replace('00', text.red('00')).replace('0a', text.red('0a')), group(2, t)))
        for o,b,i in zip(*map(str.splitlines, (offsets, bytes, instrs))):
            b = ' '.join(highlight_bytes(bb) for bb in b.split(' '))
            i = highlight(i.strip(), PwntoolsLexer(), TerminalFormatter()).strip()
            i = i.replace(',',', ')

            print(o,b,i)
        return

    print(disasm(dat, vma=safeeval.const(args.address)))

if __name__ == '__main__':
    pwnlib.commandline.common.main(__file__)

1	#!/usr/bin/env python2
2	from __future__ import absolute_import	1✔
3	from __future__ import division	1✔
4	from __future__ import print_function	1✔
5
6	import argparse	1✔
7	import string	1✔
8	import sys	1✔
9
10	import pwnlib.args	1✔
11	pwnlib.args.free_form = False	1✔
12
13	from pwn import *	1✔
14	from pwnlib.commandline import common	1✔
15
16	parser = common.parser_commands.add_parser(	1✔
17	'disasm',
18	help = 'Disassemble bytes into text format',
19	description = 'Disassemble bytes into text format'
20	)
21
22	parser.add_argument(	1✔
23	'hex',
24	metavar = 'hex',
25	nargs = '*',
26	help = 'Hex-string to disassemble. If none are supplied, then it uses stdin in non-hex mode.'
27	)
28
29	parser.add_argument(	1✔
30	'-c', '--context',
31	metavar = 'arch_or_os',
32	action = 'append',
33	type = common.context_arg,
34	choices = common.choices,
35	help = 'The os/architecture/endianness/bits the shellcode will run in (default: linux/i386), choose from: %s' % common.choices,
36	)
37
38
39	parser.add_argument(	1✔
40	"-a","--address",
41	metavar='address',
42	help="Base address",
43	type=str,
44	default='0'
45	)
46
47
48	parser.add_argument(	1✔
49	'--color',
50	help="Color output",
51	action='store_true',
52	default=sys.stdout.isatty()
53	)
54
55	parser.add_argument(	1✔
56	'--no-color',
57	help="Disable color output",
58	action='store_false',
59	dest='color'
60	)
61
62
63	def main(args):	1✔
64	if len(args.hex) > 0:	1!
65	dat = ''.join(args.hex).encode('utf-8', 'surrogateescape')	1✔
66	dat = dat.translate(None, string.whitespace.encode('ascii'))	1✔
67	if not set(string.hexdigits.encode('ascii')) >= set(dat):	1!
68	print("This is not a hex string")	×
69	exit(-1)	×
70	dat = unhex(dat)	1✔
71	else:
72	dat = getattr(sys.stdin, 'buffer', sys.stdin).read()	×
73
74
75	if args.color:	1!
76	from pygments import highlight	1✔
77	from pygments.formatters import TerminalFormatter	1✔
78	from pwnlib.lexer import PwntoolsLexer	1✔
79
80	offsets = disasm(dat, vma=safeeval.const(args.address), instructions=False, byte=False)	1✔
81	bytes = disasm(dat, vma=safeeval.const(args.address), instructions=False, offset=False)	1✔
82	instrs = disasm(dat, vma=safeeval.const(args.address), byte=False, offset=False)	1✔
83	# instrs = highlight(instrs, PwntoolsLexer(), TerminalFormatter())
84
85	highlight_bytes = lambda t: ''.join(map(lambda x: x.replace('00', text.red('00')).replace('0a', text.red('0a')), group(2, t)))	1✔
86	for o,b,i in zip(*map(str.splitlines, (offsets, bytes, instrs))):	1✔
87	b = ' '.join(highlight_bytes(bb) for bb in b.split(' '))	1✔
88	i = highlight(i.strip(), PwntoolsLexer(), TerminalFormatter()).strip()	1✔
89	i = i.replace(',',', ')	1✔
90
91	print(o,b,i)	1✔
92	return	1✔
93
94	print(disasm(dat, vma=safeeval.const(args.address)))	×
95
96	if __name__ == '__main__':	1✔
97	pwnlib.commandline.common.main(__file__)	1✔

Gallopsled / pwntools / 8d7613a419f51385e765cb9998da65eb488faa2e

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