11306567235

Committed 12 Oct 2024 02:57PM CUT coverage: 74.25%. First build

Build # 11306567235

Build Type

Pull #2486

github

Committed by

web-flow

Commit Message

Merge b9c0426e6 into 78dd77773

Pull Request Pull Request #2486: Test Python version >= 3.10 in CI and fix tests on Python 3.12

Run Details

3679 of 6140 branches covered (59.92%)

20 of 34 new or added lines in 22 files covered. (58.82%)

12973 of 17472 relevant lines covered (74.25%)

0.74 hits per line

Source File
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40.54

/pwnlib/commandline/pwnstrip.py

from __future__ import absolute_import
from __future__ import division

import argparse

import pwnlib.args
pwnlib.args.free_form = False

from pwn import *
from pwnlib.commandline import common

p = common.parser_commands.add_parser(
    'pwnstrip',
    help = 'Strip binaries for CTF usage',
    description = 'Strip binaries for CTF usage'
)

g = p.add_argument_group("actions")
g.add_argument('-b', '--build-id', help="Strip build ID", action='store_true')
g.add_argument('-p', '--patch', metavar='FUNCTION', help="Patch function", action='append')
p.add_argument('-o', '--output', type=argparse.FileType('wb'), default=getattr(sys.stdout, 'buffer', sys.stdout))
p.add_argument('file', type=argparse.FileType('rb'))

def main(args):
    if not (args.patch or args.build_id):
        sys.stderr.write("Must specify at least one action\n")
        sys.stderr.write(p.format_usage())
        sys.exit(0)

    elf = ELF(args.file.name)
    context.clear(arch=elf.arch)

    if args.build_id:
        for offset in pwnlib.libcdb.get_build_id_offsets():
            data = elf.read(elf.address + offset + 0xC, 4)
            if data == 'GNU\x00':
                elf.write(elf.address + offset + 0x10, os.urandom(20))

    for function in args.patch:
        if function not in elf.symbols:
            log.error("Could not find function %r" % function)

        trap = asm(shellcraft.trap())
        offset = elf.symbols[function]

        elf.write(elf.address + offset, trap)

    result = elf.data

    if args.output.isatty():
        result = enhex(result).encode('ascii')

    args.output.write(result)

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

1	from __future__ import absolute_import	1✔
2	from __future__ import division	1✔
3
4	import argparse	1✔
5
6	import pwnlib.args	1✔
7	pwnlib.args.free_form = False	1✔
8
9	from pwn import *	1✔
10	from pwnlib.commandline import common	1✔
11
12	p = common.parser_commands.add_parser(	1✔
13	'pwnstrip',
14	help = 'Strip binaries for CTF usage',
15	description = 'Strip binaries for CTF usage'
16	)
17
18	g = p.add_argument_group("actions")	1✔
19	g.add_argument('-b', '--build-id', help="Strip build ID", action='store_true')	1✔
20	g.add_argument('-p', '--patch', metavar='FUNCTION', help="Patch function", action='append')	1✔
21	p.add_argument('-o', '--output', type=argparse.FileType('wb'), default=getattr(sys.stdout, 'buffer', sys.stdout))	1✔
22	p.add_argument('file', type=argparse.FileType('rb'))	1✔
23
24	def main(args):	1✔
25	if not (args.patch or args.build_id):	×
26	sys.stderr.write("Must specify at least one action\n")	×
27	sys.stderr.write(p.format_usage())	×
28	sys.exit(0)	×
29
30	elf = ELF(args.file.name)	×
31	context.clear(arch=elf.arch)	×
32
33	if args.build_id:	×
34	for offset in pwnlib.libcdb.get_build_id_offsets():	×
35	data = elf.read(elf.address + offset + 0xC, 4)	×
36	if data == 'GNU\x00':	×
37	elf.write(elf.address + offset + 0x10, os.urandom(20))	×
38
39	for function in args.patch:	×
40	if function not in elf.symbols:	×
41	log.error("Could not find function %r" % function)	×
42
43	trap = asm(shellcraft.trap())	×
44	offset = elf.symbols[function]	×
45
46	elf.write(elf.address + offset, trap)	×
47
48	result = elf.data	×
49
50	if args.output.isatty():	×
51	result = enhex(result).encode('ascii')	×
52
53	args.output.write(result)	×
54
55	if __name__ == '__main__':	1!
NEW 56	pwnlib.commandline.common.main(__file__, main)	×

Gallopsled / pwntools / 11306567235

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