angr/tests/simos/windows/test_windows_stack_cookie.py
Kevin Phoenix f939c5b88c
Enable ruff isort rule (#6452)
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2026-06-02 14:48:07 -07:00

58 lines
1.9 KiB
Python
Executable file

#!/usr/bin/env python3
from __future__ import annotations
__package__ = __package__ or "tests.simos.windows" # pylint:disable=redefined-builtin
import os
import struct
import unittest
import angr
import angr.simos.windows
from tests.common import bin_location
test_location = os.path.join(bin_location, "tests")
def compare_none(state, test_value):
test_value = test_value.concrete
correct_value = angr.simos.windows.VS_SECURITY_COOKIES[state.arch.name].default
assert test_value == correct_value
def compare_random(state, test_value):
test_value = test_value.concrete
incorrect_value = angr.simos.windows.VS_SECURITY_COOKIES[state.arch.name].default
assert test_value != incorrect_value
def compare_static(state, test_value):
test_value = test_value.concrete
correct_value = struct.unpack(">I", b"cook")[0]
assert test_value == correct_value
def compare_symbolic(state, test_value):
assert test_value.resolved.symbolic
def check_value(project, init_type, comparison):
main_object = project.loader.main_object
state = project.factory.blank_state(security_cookie_init=init_type)
value = getattr(state.mem[main_object.load_config["SecurityCookie"]], f"uint{state.arch.bits}_t")
comparison(state, value)
class TestWindowsStackCookie(unittest.TestCase):
def test_security_cookie_init(self):
project = angr.Project(os.path.join(test_location, "i386", "test_arrays.exe"), auto_load_libs=False)
check_value(project, angr.simos.windows.SecurityCookieInit.NONE, compare_none)
check_value(project, angr.simos.windows.SecurityCookieInit.RANDOM, compare_random)
check_value(project, angr.simos.windows.SecurityCookieInit.STATIC, compare_static)
check_value(project, angr.simos.windows.SecurityCookieInit.SYMBOLIC, compare_symbolic)
self.assertRaises(TypeError, project.factory.blank_state, security_cookie_init=1)
if __name__ == "__main__":
unittest.main()