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%)

0.39 hits per line

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0.0

/pwnlib/commandline/elfpatch.py

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

import sys

import pwnlib.args
pwnlib.args.free_form = False

from pwn import *
from pwnlib.commandline import common

p = common.parser_commands.add_parser(
    'elfpatch',
    help = 'Patch an ELF file',
    description = 'Patch an ELF file'
)

p.add_argument('elf',help="File to patch")
p.add_argument('offset',help="Offset to patch in virtual address (hex encoded)")
p.add_argument('bytes',help='Bytes to patch (hex encoded)')


def main(a):
    if not a.offset.startswith('0x'):
        a.offset = '0x' + a.offset

    offset = int(a.offset, 16)
    bytes  = unhex(a.bytes)

    with context.silent:
        elf    = ELF(a.elf)

    elf.write(offset, bytes)
    getattr(sys.stdout, 'buffer', sys.stdout).write(elf.get_data())

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 sys	×
6
7	import pwnlib.args	×
8	pwnlib.args.free_form = False	×
9
10	from pwn import *	×
11	from pwnlib.commandline import common	×
12
13	p = common.parser_commands.add_parser(	×
14	'elfpatch',
15	help = 'Patch an ELF file',
16	description = 'Patch an ELF file'
17	)
18
19	p.add_argument('elf',help="File to patch")	×
20	p.add_argument('offset',help="Offset to patch in virtual address (hex encoded)")	×
21	p.add_argument('bytes',help='Bytes to patch (hex encoded)')	×
22
23
24	def main(a):	×
25	if not a.offset.startswith('0x'):	×
26	a.offset = '0x' + a.offset	×
27
28	offset = int(a.offset, 16)	×
29	bytes = unhex(a.bytes)	×
30
31	with context.silent:	×
32	elf = ELF(a.elf)	×
33
34	elf.write(offset, bytes)	×
35	getattr(sys.stdout, 'buffer', sys.stdout).write(elf.get_data())	×
36
37	if __name__ == '__main__':	×
38	pwnlib.commandline.common.main(__file__)	×

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