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498 lines
21 KiB
498 lines
21 KiB
3 years ago
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# Test the windows specific win32reg module.
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# Only win32reg functions not hit here: FlushKey, LoadKey and SaveKey
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import os, sys, errno
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import unittest
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from test.support import import_helper
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import threading
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from platform import machine, win32_edition
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# Do this first so test will be skipped if module doesn't exist
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import_helper.import_module('winreg', required_on=['win'])
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# Now import everything
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from winreg import *
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try:
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REMOTE_NAME = sys.argv[sys.argv.index("--remote")+1]
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except (IndexError, ValueError):
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REMOTE_NAME = None
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# tuple of (major, minor)
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WIN_VER = sys.getwindowsversion()[:2]
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# Some tests should only run on 64-bit architectures where WOW64 will be.
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WIN64_MACHINE = True if machine() == "AMD64" else False
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# Starting with Windows 7 and Windows Server 2008 R2, WOW64 no longer uses
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# registry reflection and formerly reflected keys are shared instead.
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# Windows 7 and Windows Server 2008 R2 are version 6.1. Due to this, some
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# tests are only valid up until 6.1
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HAS_REFLECTION = True if WIN_VER < (6, 1) else False
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# Use a per-process key to prevent concurrent test runs (buildbot!) from
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# stomping on each other.
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test_key_base = "Python Test Key [%d] - Delete Me" % (os.getpid(),)
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test_key_name = "SOFTWARE\\" + test_key_base
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# On OS'es that support reflection we should test with a reflected key
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test_reflect_key_name = "SOFTWARE\\Classes\\" + test_key_base
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test_data = [
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("Int Value", 45, REG_DWORD),
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("Qword Value", 0x1122334455667788, REG_QWORD),
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("String Val", "A string value", REG_SZ),
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("StringExpand", "The path is %path%", REG_EXPAND_SZ),
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("Multi-string", ["Lots", "of", "string", "values"], REG_MULTI_SZ),
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("Multi-nul", ["", "", "", ""], REG_MULTI_SZ),
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("Raw Data", b"binary\x00data", REG_BINARY),
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("Big String", "x"*(2**14-1), REG_SZ),
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("Big Binary", b"x"*(2**14), REG_BINARY),
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# Two and three kanjis, meaning: "Japan" and "Japanese".
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("Japanese 日本", "日本語", REG_SZ),
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]
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class BaseWinregTests(unittest.TestCase):
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def setUp(self):
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# Make sure that the test key is absent when the test
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# starts.
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self.delete_tree(HKEY_CURRENT_USER, test_key_name)
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def delete_tree(self, root, subkey):
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try:
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hkey = OpenKey(root, subkey, 0, KEY_ALL_ACCESS)
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except OSError:
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# subkey does not exist
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return
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while True:
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try:
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subsubkey = EnumKey(hkey, 0)
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except OSError:
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# no more subkeys
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break
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self.delete_tree(hkey, subsubkey)
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CloseKey(hkey)
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DeleteKey(root, subkey)
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def _write_test_data(self, root_key, subkeystr="sub_key",
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CreateKey=CreateKey):
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# Set the default value for this key.
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SetValue(root_key, test_key_name, REG_SZ, "Default value")
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key = CreateKey(root_key, test_key_name)
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self.assertTrue(key.handle != 0)
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# Create a sub-key
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sub_key = CreateKey(key, subkeystr)
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# Give the sub-key some named values
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for value_name, value_data, value_type in test_data:
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SetValueEx(sub_key, value_name, 0, value_type, value_data)
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# Check we wrote as many items as we thought.
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nkeys, nvalues, since_mod = QueryInfoKey(key)
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self.assertEqual(nkeys, 1, "Not the correct number of sub keys")
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self.assertEqual(nvalues, 1, "Not the correct number of values")
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nkeys, nvalues, since_mod = QueryInfoKey(sub_key)
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self.assertEqual(nkeys, 0, "Not the correct number of sub keys")
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self.assertEqual(nvalues, len(test_data),
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"Not the correct number of values")
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# Close this key this way...
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# (but before we do, copy the key as an integer - this allows
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# us to test that the key really gets closed).
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int_sub_key = int(sub_key)
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CloseKey(sub_key)
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try:
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QueryInfoKey(int_sub_key)
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self.fail("It appears the CloseKey() function does "
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"not close the actual key!")
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except OSError:
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pass
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# ... and close that key that way :-)
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int_key = int(key)
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key.Close()
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try:
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QueryInfoKey(int_key)
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self.fail("It appears the key.Close() function "
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"does not close the actual key!")
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except OSError:
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pass
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def _read_test_data(self, root_key, subkeystr="sub_key", OpenKey=OpenKey):
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# Check we can get default value for this key.
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val = QueryValue(root_key, test_key_name)
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self.assertEqual(val, "Default value",
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"Registry didn't give back the correct value")
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key = OpenKey(root_key, test_key_name)
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# Read the sub-keys
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with OpenKey(key, subkeystr) as sub_key:
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# Check I can enumerate over the values.
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index = 0
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while 1:
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try:
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data = EnumValue(sub_key, index)
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except OSError:
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break
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self.assertEqual(data in test_data, True,
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"Didn't read back the correct test data")
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index = index + 1
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self.assertEqual(index, len(test_data),
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"Didn't read the correct number of items")
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# Check I can directly access each item
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for value_name, value_data, value_type in test_data:
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read_val, read_typ = QueryValueEx(sub_key, value_name)
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self.assertEqual(read_val, value_data,
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"Could not directly read the value")
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self.assertEqual(read_typ, value_type,
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"Could not directly read the value")
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sub_key.Close()
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# Enumerate our main key.
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read_val = EnumKey(key, 0)
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self.assertEqual(read_val, subkeystr, "Read subkey value wrong")
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try:
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EnumKey(key, 1)
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self.fail("Was able to get a second key when I only have one!")
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except OSError:
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pass
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key.Close()
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def _delete_test_data(self, root_key, subkeystr="sub_key"):
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key = OpenKey(root_key, test_key_name, 0, KEY_ALL_ACCESS)
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sub_key = OpenKey(key, subkeystr, 0, KEY_ALL_ACCESS)
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# It is not necessary to delete the values before deleting
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# the key (although subkeys must not exist). We delete them
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# manually just to prove we can :-)
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for value_name, value_data, value_type in test_data:
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DeleteValue(sub_key, value_name)
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nkeys, nvalues, since_mod = QueryInfoKey(sub_key)
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self.assertEqual(nkeys, 0, "subkey not empty before delete")
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self.assertEqual(nvalues, 0, "subkey not empty before delete")
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sub_key.Close()
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DeleteKey(key, subkeystr)
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try:
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# Shouldn't be able to delete it twice!
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DeleteKey(key, subkeystr)
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self.fail("Deleting the key twice succeeded")
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except OSError:
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pass
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key.Close()
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DeleteKey(root_key, test_key_name)
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# Opening should now fail!
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try:
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key = OpenKey(root_key, test_key_name)
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self.fail("Could open the non-existent key")
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except OSError: # Use this error name this time
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pass
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def _test_all(self, root_key, subkeystr="sub_key"):
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self._write_test_data(root_key, subkeystr)
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self._read_test_data(root_key, subkeystr)
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self._delete_test_data(root_key, subkeystr)
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def _test_named_args(self, key, sub_key):
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with CreateKeyEx(key=key, sub_key=sub_key, reserved=0,
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access=KEY_ALL_ACCESS) as ckey:
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self.assertTrue(ckey.handle != 0)
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with OpenKeyEx(key=key, sub_key=sub_key, reserved=0,
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access=KEY_ALL_ACCESS) as okey:
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self.assertTrue(okey.handle != 0)
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class LocalWinregTests(BaseWinregTests):
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def test_registry_works(self):
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self._test_all(HKEY_CURRENT_USER)
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self._test_all(HKEY_CURRENT_USER, "日本-subkey")
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def test_registry_works_extended_functions(self):
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# Substitute the regular CreateKey and OpenKey calls with their
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# extended counterparts.
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# Note: DeleteKeyEx is not used here because it is platform dependent
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cke = lambda key, sub_key: CreateKeyEx(key, sub_key, 0, KEY_ALL_ACCESS)
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self._write_test_data(HKEY_CURRENT_USER, CreateKey=cke)
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oke = lambda key, sub_key: OpenKeyEx(key, sub_key, 0, KEY_READ)
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self._read_test_data(HKEY_CURRENT_USER, OpenKey=oke)
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self._delete_test_data(HKEY_CURRENT_USER)
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def test_named_arguments(self):
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self._test_named_args(HKEY_CURRENT_USER, test_key_name)
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# Use the regular DeleteKey to clean up
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# DeleteKeyEx takes named args and is tested separately
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DeleteKey(HKEY_CURRENT_USER, test_key_name)
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def test_connect_registry_to_local_machine_works(self):
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# perform minimal ConnectRegistry test which just invokes it
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h = ConnectRegistry(None, HKEY_LOCAL_MACHINE)
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self.assertNotEqual(h.handle, 0)
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h.Close()
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self.assertEqual(h.handle, 0)
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def test_nonexistent_remote_registry(self):
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connect = lambda: ConnectRegistry("abcdefghijkl", HKEY_CURRENT_USER)
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self.assertRaises(OSError, connect)
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def testExpandEnvironmentStrings(self):
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r = ExpandEnvironmentStrings("%windir%\\test")
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self.assertEqual(type(r), str)
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self.assertEqual(r, os.environ["windir"] + "\\test")
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def test_context_manager(self):
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# ensure that the handle is closed if an exception occurs
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try:
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with ConnectRegistry(None, HKEY_LOCAL_MACHINE) as h:
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self.assertNotEqual(h.handle, 0)
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raise OSError
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except OSError:
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self.assertEqual(h.handle, 0)
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def test_changing_value(self):
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# Issue2810: A race condition in 2.6 and 3.1 may cause
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# EnumValue or QueryValue to raise "WindowsError: More data is
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# available"
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done = False
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class VeryActiveThread(threading.Thread):
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def run(self):
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with CreateKey(HKEY_CURRENT_USER, test_key_name) as key:
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use_short = True
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long_string = 'x'*2000
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while not done:
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s = 'x' if use_short else long_string
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use_short = not use_short
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SetValue(key, 'changing_value', REG_SZ, s)
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thread = VeryActiveThread()
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thread.start()
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try:
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with CreateKey(HKEY_CURRENT_USER,
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test_key_name+'\\changing_value') as key:
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for _ in range(1000):
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num_subkeys, num_values, t = QueryInfoKey(key)
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for i in range(num_values):
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name = EnumValue(key, i)
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QueryValue(key, name[0])
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finally:
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done = True
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thread.join()
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DeleteKey(HKEY_CURRENT_USER, test_key_name+'\\changing_value')
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DeleteKey(HKEY_CURRENT_USER, test_key_name)
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def test_long_key(self):
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# Issue2810, in 2.6 and 3.1 when the key name was exactly 256
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# characters, EnumKey raised "WindowsError: More data is
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# available"
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name = 'x'*256
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try:
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with CreateKey(HKEY_CURRENT_USER, test_key_name) as key:
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SetValue(key, name, REG_SZ, 'x')
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num_subkeys, num_values, t = QueryInfoKey(key)
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EnumKey(key, 0)
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finally:
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DeleteKey(HKEY_CURRENT_USER, '\\'.join((test_key_name, name)))
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DeleteKey(HKEY_CURRENT_USER, test_key_name)
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def test_dynamic_key(self):
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# Issue2810, when the value is dynamically generated, these
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# raise "WindowsError: More data is available" in 2.6 and 3.1
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try:
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EnumValue(HKEY_PERFORMANCE_DATA, 0)
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except OSError as e:
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if e.errno in (errno.EPERM, errno.EACCES):
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self.skipTest("access denied to registry key "
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"(are you running in a non-interactive session?)")
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raise
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QueryValueEx(HKEY_PERFORMANCE_DATA, "")
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# Reflection requires XP x64/Vista at a minimum. XP doesn't have this stuff
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# or DeleteKeyEx so make sure their use raises NotImplementedError
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@unittest.skipUnless(WIN_VER < (5, 2), "Requires Windows XP")
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def test_reflection_unsupported(self):
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try:
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with CreateKey(HKEY_CURRENT_USER, test_key_name) as ck:
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self.assertNotEqual(ck.handle, 0)
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key = OpenKey(HKEY_CURRENT_USER, test_key_name)
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self.assertNotEqual(key.handle, 0)
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with self.assertRaises(NotImplementedError):
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DisableReflectionKey(key)
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with self.assertRaises(NotImplementedError):
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EnableReflectionKey(key)
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with self.assertRaises(NotImplementedError):
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QueryReflectionKey(key)
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with self.assertRaises(NotImplementedError):
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DeleteKeyEx(HKEY_CURRENT_USER, test_key_name)
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finally:
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DeleteKey(HKEY_CURRENT_USER, test_key_name)
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def test_setvalueex_value_range(self):
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# Test for Issue #14420, accept proper ranges for SetValueEx.
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# Py2Reg, which gets called by SetValueEx, was using PyLong_AsLong,
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# thus raising OverflowError. The implementation now uses
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# PyLong_AsUnsignedLong to match DWORD's size.
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try:
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with CreateKey(HKEY_CURRENT_USER, test_key_name) as ck:
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self.assertNotEqual(ck.handle, 0)
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SetValueEx(ck, "test_name", None, REG_DWORD, 0x80000000)
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finally:
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DeleteKey(HKEY_CURRENT_USER, test_key_name)
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def test_queryvalueex_return_value(self):
|
||
|
|
# Test for Issue #16759, return unsigned int from QueryValueEx.
|
||
|
|
# Reg2Py, which gets called by QueryValueEx, was returning a value
|
||
|
|
# generated by PyLong_FromLong. The implementation now uses
|
||
|
|
# PyLong_FromUnsignedLong to match DWORD's size.
|
||
|
|
try:
|
||
|
|
with CreateKey(HKEY_CURRENT_USER, test_key_name) as ck:
|
||
|
|
self.assertNotEqual(ck.handle, 0)
|
||
|
|
test_val = 0x80000000
|
||
|
|
SetValueEx(ck, "test_name", None, REG_DWORD, test_val)
|
||
|
|
ret_val, ret_type = QueryValueEx(ck, "test_name")
|
||
|
|
self.assertEqual(ret_type, REG_DWORD)
|
||
|
|
self.assertEqual(ret_val, test_val)
|
||
|
|
finally:
|
||
|
|
DeleteKey(HKEY_CURRENT_USER, test_key_name)
|
||
|
|
|
||
|
|
def test_setvalueex_crash_with_none_arg(self):
|
||
|
|
# Test for Issue #21151, segfault when None is passed to SetValueEx
|
||
|
|
try:
|
||
|
|
with CreateKey(HKEY_CURRENT_USER, test_key_name) as ck:
|
||
|
|
self.assertNotEqual(ck.handle, 0)
|
||
|
|
test_val = None
|
||
|
|
SetValueEx(ck, "test_name", 0, REG_BINARY, test_val)
|
||
|
|
ret_val, ret_type = QueryValueEx(ck, "test_name")
|
||
|
|
self.assertEqual(ret_type, REG_BINARY)
|
||
|
|
self.assertEqual(ret_val, test_val)
|
||
|
|
finally:
|
||
|
|
DeleteKey(HKEY_CURRENT_USER, test_key_name)
|
||
|
|
|
||
|
|
def test_read_string_containing_null(self):
|
||
|
|
# Test for issue 25778: REG_SZ should not contain null characters
|
||
|
|
try:
|
||
|
|
with CreateKey(HKEY_CURRENT_USER, test_key_name) as ck:
|
||
|
|
self.assertNotEqual(ck.handle, 0)
|
||
|
|
test_val = "A string\x00 with a null"
|
||
|
|
SetValueEx(ck, "test_name", 0, REG_SZ, test_val)
|
||
|
|
ret_val, ret_type = QueryValueEx(ck, "test_name")
|
||
|
|
self.assertEqual(ret_type, REG_SZ)
|
||
|
|
self.assertEqual(ret_val, "A string")
|
||
|
|
finally:
|
||
|
|
DeleteKey(HKEY_CURRENT_USER, test_key_name)
|
||
|
|
|
||
|
|
|
||
|
|
@unittest.skipUnless(REMOTE_NAME, "Skipping remote registry tests")
|
||
|
|
class RemoteWinregTests(BaseWinregTests):
|
||
|
|
|
||
|
|
def test_remote_registry_works(self):
|
||
|
|
remote_key = ConnectRegistry(REMOTE_NAME, HKEY_CURRENT_USER)
|
||
|
|
self._test_all(remote_key)
|
||
|
|
|
||
|
|
|
||
|
|
@unittest.skipUnless(WIN64_MACHINE, "x64 specific registry tests")
|
||
|
|
class Win64WinregTests(BaseWinregTests):
|
||
|
|
|
||
|
|
def test_named_arguments(self):
|
||
|
|
self._test_named_args(HKEY_CURRENT_USER, test_key_name)
|
||
|
|
# Clean up and also exercise the named arguments
|
||
|
|
DeleteKeyEx(key=HKEY_CURRENT_USER, sub_key=test_key_name,
|
||
|
|
access=KEY_ALL_ACCESS, reserved=0)
|
||
|
|
|
||
|
|
@unittest.skipIf(win32_edition() in ('WindowsCoreHeadless', 'IoTEdgeOS'), "APIs not available on WindowsCoreHeadless")
|
||
|
|
def test_reflection_functions(self):
|
||
|
|
# Test that we can call the query, enable, and disable functions
|
||
|
|
# on a key which isn't on the reflection list with no consequences.
|
||
|
|
with OpenKey(HKEY_LOCAL_MACHINE, "Software") as key:
|
||
|
|
# HKLM\Software is redirected but not reflected in all OSes
|
||
|
|
self.assertTrue(QueryReflectionKey(key))
|
||
|
|
self.assertIsNone(EnableReflectionKey(key))
|
||
|
|
self.assertIsNone(DisableReflectionKey(key))
|
||
|
|
self.assertTrue(QueryReflectionKey(key))
|
||
|
|
|
||
|
|
@unittest.skipUnless(HAS_REFLECTION, "OS doesn't support reflection")
|
||
|
|
def test_reflection(self):
|
||
|
|
# Test that we can create, open, and delete keys in the 32-bit
|
||
|
|
# area. Because we are doing this in a key which gets reflected,
|
||
|
|
# test the differences of 32 and 64-bit keys before and after the
|
||
|
|
# reflection occurs (ie. when the created key is closed).
|
||
|
|
try:
|
||
|
|
with CreateKeyEx(HKEY_CURRENT_USER, test_reflect_key_name, 0,
|
||
|
|
KEY_ALL_ACCESS | KEY_WOW64_32KEY) as created_key:
|
||
|
|
self.assertNotEqual(created_key.handle, 0)
|
||
|
|
|
||
|
|
# The key should now be available in the 32-bit area
|
||
|
|
with OpenKey(HKEY_CURRENT_USER, test_reflect_key_name, 0,
|
||
|
|
KEY_ALL_ACCESS | KEY_WOW64_32KEY) as key:
|
||
|
|
self.assertNotEqual(key.handle, 0)
|
||
|
|
|
||
|
|
# Write a value to what currently is only in the 32-bit area
|
||
|
|
SetValueEx(created_key, "", 0, REG_SZ, "32KEY")
|
||
|
|
|
||
|
|
# The key is not reflected until created_key is closed.
|
||
|
|
# The 64-bit version of the key should not be available yet.
|
||
|
|
open_fail = lambda: OpenKey(HKEY_CURRENT_USER,
|
||
|
|
test_reflect_key_name, 0,
|
||
|
|
KEY_READ | KEY_WOW64_64KEY)
|
||
|
|
self.assertRaises(OSError, open_fail)
|
||
|
|
|
||
|
|
# Now explicitly open the 64-bit version of the key
|
||
|
|
with OpenKey(HKEY_CURRENT_USER, test_reflect_key_name, 0,
|
||
|
|
KEY_ALL_ACCESS | KEY_WOW64_64KEY) as key:
|
||
|
|
self.assertNotEqual(key.handle, 0)
|
||
|
|
# Make sure the original value we set is there
|
||
|
|
self.assertEqual("32KEY", QueryValue(key, ""))
|
||
|
|
# Set a new value, which will get reflected to 32-bit
|
||
|
|
SetValueEx(key, "", 0, REG_SZ, "64KEY")
|
||
|
|
|
||
|
|
# Reflection uses a "last-writer wins policy, so the value we set
|
||
|
|
# on the 64-bit key should be the same on 32-bit
|
||
|
|
with OpenKey(HKEY_CURRENT_USER, test_reflect_key_name, 0,
|
||
|
|
KEY_READ | KEY_WOW64_32KEY) as key:
|
||
|
|
self.assertEqual("64KEY", QueryValue(key, ""))
|
||
|
|
finally:
|
||
|
|
DeleteKeyEx(HKEY_CURRENT_USER, test_reflect_key_name,
|
||
|
|
KEY_WOW64_32KEY, 0)
|
||
|
|
|
||
|
|
@unittest.skipUnless(HAS_REFLECTION, "OS doesn't support reflection")
|
||
|
|
def test_disable_reflection(self):
|
||
|
|
# Make use of a key which gets redirected and reflected
|
||
|
|
try:
|
||
|
|
with CreateKeyEx(HKEY_CURRENT_USER, test_reflect_key_name, 0,
|
||
|
|
KEY_ALL_ACCESS | KEY_WOW64_32KEY) as created_key:
|
||
|
|
# QueryReflectionKey returns whether or not the key is disabled
|
||
|
|
disabled = QueryReflectionKey(created_key)
|
||
|
|
self.assertEqual(type(disabled), bool)
|
||
|
|
# HKCU\Software\Classes is reflected by default
|
||
|
|
self.assertFalse(disabled)
|
||
|
|
|
||
|
|
DisableReflectionKey(created_key)
|
||
|
|
self.assertTrue(QueryReflectionKey(created_key))
|
||
|
|
|
||
|
|
# The key is now closed and would normally be reflected to the
|
||
|
|
# 64-bit area, but let's make sure that didn't happen.
|
||
|
|
open_fail = lambda: OpenKeyEx(HKEY_CURRENT_USER,
|
||
|
|
test_reflect_key_name, 0,
|
||
|
|
KEY_READ | KEY_WOW64_64KEY)
|
||
|
|
self.assertRaises(OSError, open_fail)
|
||
|
|
|
||
|
|
# Make sure the 32-bit key is actually there
|
||
|
|
with OpenKeyEx(HKEY_CURRENT_USER, test_reflect_key_name, 0,
|
||
|
|
KEY_READ | KEY_WOW64_32KEY) as key:
|
||
|
|
self.assertNotEqual(key.handle, 0)
|
||
|
|
finally:
|
||
|
|
DeleteKeyEx(HKEY_CURRENT_USER, test_reflect_key_name,
|
||
|
|
KEY_WOW64_32KEY, 0)
|
||
|
|
|
||
|
|
def test_exception_numbers(self):
|
||
|
|
with self.assertRaises(FileNotFoundError) as ctx:
|
||
|
|
QueryValue(HKEY_CLASSES_ROOT, 'some_value_that_does_not_exist')
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
if not REMOTE_NAME:
|
||
|
|
print("Remote registry calls can be tested using",
|
||
|
|
"'test_winreg.py --remote \\\\machine_name'")
|
||
|
|
unittest.main()
|