DeDRM_tools/DeDRM_plugin/adobekey_winreg_unicode.py

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# 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']