#!/usr/bin/python2.7
# -*- coding: utf-8 -*-
#
# Univention Samba
#  replace an old SID with a new one
#
# Copyright 2001-2014 Univention GmbH
#
# http://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
#
# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <http://www.gnu.org/licenses/>.

import sys

import univention.config_registry
import univention.debug
univention.debug.init('/dev/null', 1, 1)

import univention.admin.uldap
import univention.admin.config
import univention.admin.modules
import univention.admin.handlers.users.user
import univention.admin.handlers.groups.group

oldsid, newsid = sys.argv[1:]
lo, position = univention.admin.uldap.getAdminConnection()

for dn, attrs in lo.search(filter='(|(sambaSID=*)(sambaPrimaryGroupSID=*))', attr=['sambaSID','sambaPrimaryGroupSID']):
	ml=[]
	sambaPrimaryGroupSID = attrs.get('sambaPrimaryGroupSID', [None])[0]
	if sambaPrimaryGroupSID and sambaPrimaryGroupSID.startswith(oldsid):
		oldval=sambaPrimaryGroupSID
		newval=oldval.replace(oldsid, newsid)
		ml.append(('sambaPrimaryGroupSID', oldval, newval))
	sambaSID = attrs.get('sambaSID', [None])[0]
	if sambaSID and sambaSID.startswith(oldsid):
		oldval=sambaSID
		newval=oldval.replace(oldsid, newsid)
		ml.append(('sambaSID', oldval, newval))
	if ml:
		print 'Changing SID in %s...' % repr(dn),
		lo.modify(dn, ml)
		print 'done'
