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53 lines
1.6 KiB
53 lines
1.6 KiB
#!/usr/bin/env python
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# Copyright (c) 2012 Google Inc. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""
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Make sure buffer security check setting is extracted properly.
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"""
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import TestGyp
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import sys
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if sys.platform == 'win32':
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test = TestGyp.TestGyp(formats=['msvs', 'ninja'])
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CHDIR = 'compiler-flags'
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test.run_gyp('buffer-security-check.gyp', chdir=CHDIR)
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test.build('buffer-security-check.gyp', chdir=CHDIR)
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def GetDisassemblyOfMain(exe):
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# The standard library uses buffer security checks independent of our
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# buffer security settings, so we extract just our code (i.e. main()) to
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# check against.
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full_path = test.built_file_path(exe, chdir=CHDIR)
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output = test.run_dumpbin('/disasm', full_path)
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result = []
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in_main = False
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for line in output.splitlines():
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if line == '_main:':
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in_main = True
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elif in_main:
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# Disassembly of next function starts.
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if line.startswith('_'):
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break
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result.append(line)
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return '\n'.join(result)
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# Buffer security checks are on by default, make sure security_cookie
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# appears in the disassembly of our code.
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if 'security_cookie' not in GetDisassemblyOfMain('test_bsc_unset.exe'):
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test.fail_test()
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# Explicitly on.
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if 'security_cookie' not in GetDisassemblyOfMain('test_bsc_on.exe'):
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test.fail_test()
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# Explicitly off, shouldn't be a reference to the security cookie.
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if 'security_cookie' in GetDisassemblyOfMain('test_bsc_off.exe'):
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test.fail_test()
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test.pass_test()
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