#!/usr/bin/python2.7
#
# Univention Print Client
#  helper script: set printer server according to policy
#
# Copyright 2004-2014 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 os, string, sys, subprocess
import univention.config_registry

configRegistry = univention.config_registry.ConfigRegistry()
configRegistry.load()

if configRegistry.is_true('cups/printserver', False):
	# This host is a printserver. We don't overwrite the UCR variable for the printserver,
	# because in most instances this makes no sense. Bug #10124
	sys.exit(0)

ldap_hostdn = configRegistry.get('ldap/hostdn')
if ldap_hostdn:
	p1 = subprocess.Popen(['univention_policy_result', '-D', ldap_hostdn, '-y', '/etc/machine.secret', '-s', ldap_hostdn], stdout=subprocess.PIPE)
	result = p1.communicate()[0]

	if p1.returncode != 0:
		print 'failed to execute univention_policy_result'
		sys.exit(result)

	for line in result.split('\n'):
		line=line.strip(' ').strip('\n')
		if line.startswith('univentionPrintServer='):
			new_print_server=line.replace('univentionPrintServer=', '').replace('"','')
			cups_server = configRegistry.get('cups/server')
			if not cups_server or new_print_server != cups_server:
				out=univention.config_registry.handler_set(['cups/server=%s' % new_print_server])

sys.exit(0)
