7250413177

Committed 18 Dec 2023 03:44PM UTC coverage: 71.866% (-2.7%) from 74.55%

Build # 7250413177

Build Type

Pull #2297

github

Committed by

web-flow

Commit Message

Merge fbc1d8e0b into c7649c95e

Pull Request Pull Request #2297: add "retguard" property and display it with checksec

Run Details

4328 of 7244 branches covered (0.0%)

5 of 6 new or added lines in 1 file covered. (83.33%)

464 existing lines in 9 files now uncovered.

12381 of 17228 relevant lines covered (71.87%)

0.72 hits per line

Source File
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49.02

/pwnlib/term/__init__.py

from __future__ import absolute_import
from __future__ import division

import sys

from pwnlib.term import completer
from pwnlib.term import key
from pwnlib.term import keymap
from pwnlib.term import readline
from pwnlib.term import term
from pwnlib.term import termcap
from pwnlib.term import text

# Re-exports (XXX: Are these needed?)
term.update_geometry()
width = term.width
height = term.height
output = term.output
getkey = key.get
Keymap = keymap.Keymap

#: This is True exactly when we have taken over the terminal using :func:`init`.
term_mode = False

def can_init():
    """This function returns True iff stderr is a TTY and we are not inside a
    REPL.  Iff this function returns `True`, a call to :meth:`init` will let
    ``pwnlib`` manage the terminal.
    """

    if sys.platform == 'win32':
        return False

    if not sys.stdout.isatty():
        return False

    # Check for python -i
    if sys.flags.interactive:
        return False

    # Check fancy REPLs
    mods = sys.modules.keys()
    for repl in ['IPython', 'bpython', 'dreampielib', 'jupyter_client._version']:
        if repl in mods:
            return False

    # The standard python REPL will have co_filename == '<stdin>' for some
    # frame. We raise an exception to set sys.exc_info so we can unwind the call
    # stack.
    try:
        raise BaseException
    except BaseException:
        frame = sys.exc_info()[2].tb_frame

    while frame:
        if frame.f_code.co_filename == '<stdin>':
            return False
        frame = frame.f_back

    return True


def init():
    """Calling this function will take over the terminal (iff :func:`can_init`
    returns True) until the current python interpreter is closed.

    It is on our TODO, to create a function to "give back" the terminal without
    closing the interpreter.
    """

    global term_mode

    if term_mode:
        return

    if not can_init():
        return

    term.init()
    def update_geometry():
        global height, width
        height = term.height
        width = term.width
    update_geometry()
    term.on_winch.append(update_geometry)
    readline.init()

    term_mode = True
    text.num_colors = termcap.get('colors', default = 8) or 8

1	from __future__ import absolute_import	1✔
2	from __future__ import division	1✔
3
4	import sys	1✔
5
6	from pwnlib.term import completer	1✔
7	from pwnlib.term import key	1✔
8	from pwnlib.term import keymap	1✔
9	from pwnlib.term import readline	1✔
10	from pwnlib.term import term	1✔
11	from pwnlib.term import termcap	1✔
12	from pwnlib.term import text	1✔
13
14	# Re-exports (XXX: Are these needed?)
15	term.update_geometry()	1✔
16	width = term.width	1✔
17	height = term.height	1✔
18	output = term.output	1✔
19	getkey = key.get	1✔
20	Keymap = keymap.Keymap	1✔
21
22	#: This is True exactly when we have taken over the terminal using :func:`init`.
23	term_mode = False	1✔
24
25	def can_init():	1✔
26	"""This function returns True iff stderr is a TTY and we are not inside a
27	REPL. Iff this function returns `True`, a call to :meth:`init` will let
28	``pwnlib`` manage the terminal.
29	"""
30
31	if sys.platform == 'win32':	1!
32	return False	×
33
34	if not sys.stdout.isatty():	1!
35	return False	1✔
36
37	# Check for python -i
UNCOV 38	if sys.flags.interactive:	×
39	return False	×
40
41	# Check fancy REPLs
UNCOV 42	mods = sys.modules.keys()	×
UNCOV 43	for repl in ['IPython', 'bpython', 'dreampielib', 'jupyter_client._version']:	×
UNCOV 44	if repl in mods:	×
45	return False	×
46
47	# The standard python REPL will have co_filename == '<stdin>' for some
48	# frame. We raise an exception to set sys.exc_info so we can unwind the call
49	# stack.
UNCOV 50	try:	×
UNCOV 51	raise BaseException	×
UNCOV 52	except BaseException:	×
UNCOV 53	frame = sys.exc_info()[2].tb_frame	×
54
UNCOV 55	while frame:	×
UNCOV 56	if frame.f_code.co_filename == '<stdin>':	×
57	return False	×
UNCOV 58	frame = frame.f_back	×
59
UNCOV 60	return True	×
61
62
63	def init():	1✔
64	"""Calling this function will take over the terminal (iff :func:`can_init`
65	returns True) until the current python interpreter is closed.
66
67	It is on our TODO, to create a function to "give back" the terminal without
68	closing the interpreter.
69	"""
70
71	global term_mode
72
73	if term_mode:	1!
74	return	×
75
76	if not can_init():	1!
77	return	1✔
78
UNCOV 79	term.init()	×
UNCOV 80	def update_geometry():	×
81	global height, width
UNCOV 82	height = term.height	×
UNCOV 83	width = term.width	×
UNCOV 84	update_geometry()	×
UNCOV 85	term.on_winch.append(update_geometry)	×
UNCOV 86	readline.init()	×
87
UNCOV 88	term_mode = True	×
UNCOV 89	text.num_colors = termcap.get('colors', default = 8) or 8	×

Gallopsled / pwntools / 7250413177

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