# This is based on https://github.com/DanielStutzbach/winreg_unicode # The original _winreg in Python2 doesn't support unicode. # This causes issues if there's unicode chars in the username needed to decrypt the key. ''' Copyright 2010 Stutzbach Enterprises, LLC (daniel@stutzbachenterprises.com) Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ''' import ctypes, ctypes.wintypes ERROR_SUCCESS = 0 ERROR_MORE_DATA = 234 KEY_READ = 0x20019 REG_NONE = 0 REG_SZ = 1 REG_EXPAND_SZ = 2 REG_BINARY = 3 REG_DWORD = 4 REG_DWORD_BIG_ENDIAN = 5 REG_DWORD_LITTLE_ENDIAN = 4 REG_LINK = 6 REG_MULTI_SZ = 7 REG_RESOURCE_LIST = 8 REG_FULL_RESOURCE_DESCRIPTOR = 9 REG_RESOURCE_REQUIREMENTS_LIST = 10 c_HKEY = ctypes.c_void_p DWORD = ctypes.wintypes.DWORD BYTE = ctypes.wintypes.BYTE LPDWORD = ctypes.POINTER(DWORD) LPBYTE = ctypes.POINTER(BYTE) advapi32 = ctypes.windll.advapi32 class FILETIME(ctypes.Structure): _fields_ = [("dwLowDateTime", DWORD), ("dwHighDateTime", DWORD)] RegCloseKey = advapi32.RegCloseKey RegCloseKey.restype = ctypes.c_long RegCloseKey.argtypes = [c_HKEY] RegOpenKeyEx = advapi32.RegOpenKeyExW RegOpenKeyEx.restype = ctypes.c_long RegOpenKeyEx.argtypes = [c_HKEY, ctypes.c_wchar_p, ctypes.c_ulong, ctypes.c_ulong, ctypes.POINTER(c_HKEY)] RegQueryInfoKey = advapi32.RegQueryInfoKeyW RegQueryInfoKey.restype = ctypes.c_long RegQueryInfoKey.argtypes = [c_HKEY, ctypes.c_wchar_p, LPDWORD, LPDWORD, LPDWORD, LPDWORD, LPDWORD, LPDWORD, LPDWORD, LPDWORD, LPDWORD, ctypes.POINTER(FILETIME)] RegEnumValue = advapi32.RegEnumValueW RegEnumValue.restype = ctypes.c_long RegEnumValue.argtypes = [c_HKEY, DWORD, ctypes.c_wchar_p, LPDWORD, LPDWORD, LPDWORD, LPBYTE, LPDWORD] RegEnumKeyEx = advapi32.RegEnumKeyExW RegEnumKeyEx.restype = ctypes.c_long RegEnumKeyEx.argtypes = [c_HKEY, DWORD, ctypes.c_wchar_p, LPDWORD, LPDWORD, ctypes.c_wchar_p, LPDWORD, ctypes.POINTER(FILETIME)] RegQueryValueEx = advapi32.RegQueryValueExW RegQueryValueEx.restype = ctypes.c_long RegQueryValueEx.argtypes = [c_HKEY, ctypes.c_wchar_p, LPDWORD, LPDWORD, LPBYTE, LPDWORD] def check_code(code): if code == ERROR_SUCCESS: return raise ctypes.WinError(2) class HKEY(object): def __init__(self): self.hkey = c_HKEY() def __enter__(self): return self def __exit__(self, exc_type=None, exc_val=None, exc_tb=None): self.Close() return False def Detach(self): rv = self.cast(self.hkey, self.c_ulong).value self.hkey = c_HKEY() return rv def __nonzero__(self): return bool(self.hkey) def Close(self): if not self.hkey: return if RegCloseKey is None or check_code is None or c_HKEY is None: return # globals become None during exit rc = RegCloseKey(self.hkey) self.hkey = c_HKEY() check_code(rc) def __del__(self): self.Close() class RootHKEY(ctypes.Structure): def __init__(self, value): self.hkey = c_HKEY(value) def Close(self): pass HKEY_CLASSES_ROOT = RootHKEY(0x80000000) HKEY_CURRENT_USER = RootHKEY(0x80000001) HKEY_LOCAL_MACHINE = RootHKEY(0x80000002) HKEY_USERS = RootHKEY(0x80000003) HKEY_PERFORMANCE_DATA = RootHKEY(0x80000004) HKEY_CURRENT_CONFIG = RootHKEY(0x80000005) HKEY_DYN_DATA = RootHKEY(0x80000006) def OpenKey(key, sub_key): new_key = HKEY() rc = RegOpenKeyEx(key.hkey, sub_key, 0, KEY_READ, ctypes.cast(ctypes.byref(new_key.hkey), ctypes.POINTER(c_HKEY))) check_code(rc) return new_key def QueryInfoKey(key): null = LPDWORD() num_sub_keys = DWORD() num_values = DWORD() ft = FILETIME() rc = RegQueryInfoKey(key.hkey, ctypes.c_wchar_p(), null, null, ctypes.byref(num_sub_keys), null, null, ctypes.byref(num_values), null, null, null, ctypes.byref(ft)) check_code(rc) return (num_sub_keys.value, num_values.value, ft.dwLowDateTime | (ft.dwHighDateTime << 32)) def EnumValue(key, index): null = LPDWORD() value_size = DWORD() data_size = DWORD() rc = RegQueryInfoKey(key.hkey, ctypes.c_wchar_p(), null, null, null, null, null, null, ctypes.byref(value_size), ctypes.byref(data_size), null, ctypes.POINTER(FILETIME)()) check_code(rc) value_size.value += 1 data_size.value += 1 value = ctypes.create_unicode_buffer(value_size.value) while True: data = ctypes.create_string_buffer(data_size.value) tmp_value_size = DWORD(value_size.value) tmp_data_size = DWORD(data_size.value) typ = DWORD() rc = RegEnumValue(key.hkey, index, ctypes.cast(value, ctypes.c_wchar_p), ctypes.byref(tmp_value_size), null, ctypes.byref(typ), ctypes.cast(data, LPBYTE), ctypes.byref(tmp_data_size)) if rc != ERROR_MORE_DATA: break data_size.value *= 2 check_code(rc) return (value.value, Reg2Py(data, tmp_data_size.value, typ.value), typ.value) def split_multi_sz(data, size): if size == 0: return [] Q = size P = 0 rv = [] while P < Q and data[P].value != u'\0': rv.append[P] while P < Q and data[P].value != u'\0': P += 1 P += 1 rv.append(size) return [ctypes.wstring_at(ctypes.pointer(data[rv[i]]), rv[i+1] - rv[i]).rstrip(u'\x00') for i in range(len(rv)-1)] def Reg2Py(data, size, typ): if typ == REG_DWORD: if size == 0: return 0 return ctypes.cast(data, ctypes.POINTER(ctypes.c_int)).contents.value elif typ == REG_SZ or typ == REG_EXPAND_SZ: return ctypes.wstring_at(data, size // 2).rstrip(u'\x00') elif typ == REG_MULTI_SZ: return split_multi_sz(ctypes.cast(data, ctypes.c_wchar_p), size // 2) else: if size == 0: return None return ctypes.string_at(data, size) def EnumKey(key, index): tmpbuf = ctypes.create_unicode_buffer(257) length = DWORD(257) rc = RegEnumKeyEx(key.hkey, index, ctypes.cast(tmpbuf, ctypes.c_wchar_p), ctypes.byref(length), LPDWORD(), ctypes.c_wchar_p(), LPDWORD(), ctypes.POINTER(FILETIME)()) check_code(rc) return ctypes.wstring_at(tmpbuf, length.value).rstrip(u'\x00') def QueryValueEx(key, value_name): size = 256 typ = DWORD() while True: tmp_size = DWORD(size) buf = ctypes.create_string_buffer(size) rc = RegQueryValueEx(key.hkey, value_name, LPDWORD(), ctypes.byref(typ), ctypes.cast(buf, LPBYTE), ctypes.byref(tmp_size)) if rc != ERROR_MORE_DATA: break size *= 2 check_code(rc) return (Reg2Py(buf, tmp_size.value, typ.value), typ.value) __all__ = ['OpenKey', 'QueryInfoKey', 'EnumValue', 'EnumKey', 'QueryValueEx', 'HKEY_CLASSES_ROOT', 'HKEY_CURRENT_USER', 'HKEY_LOCAL_MACHINE', 'HKEY_USERS', 'HKEY_PERFORMANCE_DATA', 'HKEY_CURRENT_CONFIG', 'HKEY_DYN_DATA', 'REG_NONE', 'REG_SZ', 'REG_EXPAND_SZ', 'REG_BINARY', 'REG_DWORD', 'REG_DWORD_BIG_ENDIAN', 'REG_DWORD_LITTLE_ENDIAN', 'REG_LINK', 'REG_MULTI_SZ', 'REG_RESOURCE_LIST', 'REG_FULL_RESOURCE_DESCRIPTOR', 'REG_RESOURCE_REQUIREMENTS_LIST']