Gallopsled / pwntools / 1

Committed 11 Jul 2023 10:24PM UTC coverage: 19.327% (-52.2%) from 71.479%

Build # 1

Build Type

push

github

Committed by

web-flow

Commit Message

shellcraft: more explicit sleep.asm docstring (#2226)

This commit adds information that the sleep shellcraft function does not check if it returned as part of an interrupt and it does not retry the syscall if this occured.

Run Details

189 of 5940 branches covered (3.18%)

3286 of 17002 relevant lines covered (19.33%)

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0.0

/pwnlib/commandline/elfdiff.py

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

import shutil
from argparse import ArgumentParser
from subprocess import CalledProcessError
from subprocess import check_output
from tempfile import NamedTemporaryFile

import pwnlib.args
pwnlib.args.free_form = False

from pwn import *
from pwnlib.commandline import common


def dump(objdump, path):
    n = NamedTemporaryFile(delete=False)
    o = check_output([objdump,'-d','-x','-s',path])
    n.write(o)
    n.flush()
    return n.name

def diff(a,b):
    try: return check_output(['diff',a,b], universal_newlines=True)
    except CalledProcessError as e:
        return e.output

p = common.parser_commands.add_parser(
    'elfdiff',
    help = 'Compare two ELF files',
    description = 'Compare two ELF files'
)

p.add_argument('a')
p.add_argument('b')

def main(a):
    with context.silent:
        x = ELF(a.a)
        y = ELF(a.b)

    if x.arch != y.arch:
        log.error("Architectures are not the same: %s vs %s" % (x.arch, y.arch))

    context.arch = x.arch

    objdump = pwnlib.asm.which_binutils('objdump')

    tmp = NamedTemporaryFile()
    name = tmp.name

    shutil.copy(x.path, name)
    x = dump(objdump, name)

    shutil.copy(y.path, name)
    y = dump(objdump, name)

    print(diff(x, y))

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

1	#!/usr/bin/env python2
2	from __future__ import absolute_import	×
3	from __future__ import division	×
4
5	import shutil	×
6	from argparse import ArgumentParser	×
7	from subprocess import CalledProcessError	×
8	from subprocess import check_output	×
9	from tempfile import NamedTemporaryFile	×
10
11	import pwnlib.args	×
12	pwnlib.args.free_form = False	×
13
14	from pwn import *	×
15	from pwnlib.commandline import common	×
16
17
18	def dump(objdump, path):	×
19	n = NamedTemporaryFile(delete=False)	×
20	o = check_output([objdump,'-d','-x','-s',path])	×
21	n.write(o)	×
22	n.flush()	×
23	return n.name	×
24
25	def diff(a,b):	×
26	try: return check_output(['diff',a,b], universal_newlines=True)	×
27	except CalledProcessError as e:	×
28	return e.output	×
29
30	p = common.parser_commands.add_parser(	×
31	'elfdiff',
32	help = 'Compare two ELF files',
33	description = 'Compare two ELF files'
34	)
35
36	p.add_argument('a')	×
37	p.add_argument('b')	×
38
39	def main(a):	×
40	with context.silent:	×
41	x = ELF(a.a)	×
42	y = ELF(a.b)	×
43
44	if x.arch != y.arch:	×
45	log.error("Architectures are not the same: %s vs %s" % (x.arch, y.arch))	×
46
47	context.arch = x.arch	×
48
49	objdump = pwnlib.asm.which_binutils('objdump')	×
50
51	tmp = NamedTemporaryFile()	×
52	name = tmp.name	×
53
54	shutil.copy(x.path, name)	×
55	x = dump(objdump, name)	×
56
57	shutil.copy(y.path, name)	×
58	y = dump(objdump, name)	×
59
60	print(diff(x, y))	×
61
62	if __name__ == '__main__':	×
63	pwnlib.commandline.common.main(__file__)	×

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