90 lines
3.5 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (c) 2014 Virtual Cable S.L.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * 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.
# * Neither the name of Virtual Cable S.L. nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
'''
@author: Adolfo Gómez, dkmaster at dkmon dot com
'''
from __future__ import unicode_literals
from win32com.shell import shell
import _winreg as wreg
import win32security
import cPickle
# Can be changed to whatever we want, but registry key is protected by permissions
def encoder(data):
return data.encode('bz2')
def decoder(data):
return data.decode('bz2')
DEBUG = True
path = 'Software\\UDSEnterpriseActor'
baseKey = wreg.HKEY_CURRENT_USER if DEBUG is True else wreg.HKEY_LOCAL_MACHINE
def checkPermissions():
return True if DEBUG else shell.IsUserAnAdmin()
def fixRegistryPermissions(handle):
if DEBUG:
return
# Fix permissions so users can't read this key
v = win32security.GetSecurityInfo(handle, win32security.SE_REGISTRY_KEY, win32security.DACL_SECURITY_INFORMATION)
dacl = v.GetSecurityDescriptorDacl()
n = 0
# Remove all normal users access permissions to the registry key
while n < dacl.GetAceCount():
if unicode(dacl.GetAce(n)[2]) == u'PySID:S-1-5-32-545': # Whell known Users SID
dacl.DeleteAce(n)
else:
n += 1
win32security.SetSecurityInfo(handle, win32security.SE_REGISTRY_KEY,
win32security.DACL_SECURITY_INFORMATION | win32security.PROTECTED_DACL_SECURITY_INFORMATION,
None, None, dacl, None)
def readConfig():
try:
key = wreg.OpenKey(baseKey, path, 0, wreg.KEY_QUERY_VALUE)
data, dataType = wreg.QueryValueEx(key, '')
wreg.CloseKey(key)
return cPickle.loads(decoder(data))
except Exception as e:
return None
def writeConfig(data):
try:
key = wreg.OpenKey(base, path, 0, wreg.KEY_ALL_ACCESS)
except:
key = wreg.CreateKeyEx(baseKey, path, 0, wreg.KEY_ALL_ACCESS)
fixRegistryPermissions(key.handle)
wreg.SetValueEx(key, "", 0, wreg.REG_BINARY, encoder(cPickle.dumps(data)))
wreg.CloseKey(key)