blob: e22869c3d35e3d67b1b05559e4d51c41c118bf91 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
#!/usr/bin/env python
# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
Make sure buffer security check setting is extracted properly.
"""
import TestGyp
import sys
if sys.platform == 'win32':
test = TestGyp.TestGyp(formats=['msvs', 'ninja'])
CHDIR = 'compiler-flags'
test.run_gyp('buffer-security-check.gyp', chdir=CHDIR)
test.build('buffer-security-check.gyp', chdir=CHDIR)
def GetDisassemblyOfMain(exe):
# The standard library uses buffer security checks independent of our
# buffer security settings, so we extract just our code (i.e. main()) to
# check against.
full_path = test.built_file_path(exe, chdir=CHDIR)
output = test.run_dumpbin('/disasm', full_path)
result = []
in_main = False
for line in output.splitlines():
if line == '_main:':
in_main = True
elif in_main:
# Disassembly of next function starts.
if line.startswith('_'):
break
result.append(line)
return '\n'.join(result)
# Buffer security checks are on by default, make sure security_cookie
# appears in the disassembly of our code.
if 'security_cookie' not in GetDisassemblyOfMain('test_bsc_unset.exe'):
test.fail_test()
# Explicitly on.
if 'security_cookie' not in GetDisassemblyOfMain('test_bsc_on.exe'):
test.fail_test()
# Explicitly off, shouldn't be a reference to the security cookie.
if 'security_cookie' in GetDisassemblyOfMain('test_bsc_off.exe'):
test.fail_test()
test.pass_test()
|
