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[3.6] bpo-13617: Reject embedded null characters in wchar* strings. (GH-2302) (#2462)

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Based on patch by Victor Stinner.

Add private C API function _PyUnicode_AsUnicode() which is similar to
PyUnicode_AsUnicode(), but checks for null characters..
(cherry picked from commit f7eae0adfc)
This commit is contained in:
Serhiy Storchaka 2017-06-28 09:27:35 +03:00 • committed by GitHub
parent 413c0a92bc
commit 0834905d9b
22 changed files with 115 additions and 24 deletions
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6
Lib/test/test_builtin.py
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@ -151,6 +151,8 @@ class BuiltinTest(unittest.TestCase):
self.assertRaises(TypeError, __import__, 1, 2, 3, 4)
self.assertRaises(ValueError, __import__, '')
self.assertRaises(TypeError, __import__, 'sys', name='sys')
# embedded null character
self.assertRaises(ModuleNotFoundError, __import__, 'string\x00')
def test_abs(self):
# int
@ -1002,6 +1004,10 @@ class BuiltinTest(unittest.TestCase):
self.assertEqual(fp.read(300), 'XXX'*100)
self.assertEqual(fp.read(1000), 'YYY'*100)
# embedded null bytes and characters
self.assertRaises(ValueError, open, 'a\x00b')
self.assertRaises(ValueError, open, b'a\x00b')
def test_open_default_encoding(self):
old_environ = dict(os.environ)
try: