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samba-mirror/python/samba/gp_scripts_ext.py
David Mulder 87fe86270e gpo: Script ext should not crash if script missing
If a user has manually removed a script, the
extension should not crash in an unapply removing
it.

Signed-off-by: David Mulder <dmulder@suse.com>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
2020-08-27 15:59:33 +00:00

91 lines
3.9 KiB
Python

# gp_scripts_ext samba gpo policy
# Copyright (C) David Mulder <dmulder@suse.com> 2020
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os, re
from samba.gpclass import gp_pol_ext
from base64 import b64encode
from tempfile import NamedTemporaryFile
intro = '''
### autogenerated by samba
#
# This file is generated by the gp_scripts_ext Group Policy
# Client Side Extension. To modify the contents of this file,
# modify the appropriate Group Policy objects which apply
# to this machine. DO NOT MODIFY THIS FILE DIRECTLY.
#
'''
class gp_scripts_ext(gp_pol_ext):
def __str__(self):
return 'Unix Settings/Scripts'
def process_group_policy(self, deleted_gpo_list, changed_gpo_list, cdir=None):
for guid, settings in deleted_gpo_list:
self.gp_db.set_guid(guid)
if str(self) in settings:
for attribute, script in settings[str(self)].items():
if os.path.exists(script):
os.unlink(script)
self.gp_db.delete(str(self), attribute)
self.gp_db.commit()
for gpo in changed_gpo_list:
if gpo.file_sys_path:
reg_key = 'Software\\Policies\\Samba\\Unix Settings'
sections = { '%s\\Daily Scripts' % reg_key : '/etc/cron.daily',
'%s\\Monthly Scripts' % reg_key : '/etc/cron.monthly',
'%s\\Weekly Scripts' % reg_key : '/etc/cron.weekly',
'%s\\Hourly Scripts' % reg_key : '/etc/cron.hourly' }
self.gp_db.set_guid(gpo.name)
pol_file = 'MACHINE/Registry.pol'
path = os.path.join(gpo.file_sys_path, pol_file)
pol_conf = self.parse(path)
if not pol_conf:
continue
for e in pol_conf.entries:
if e.keyname in sections.keys() and e.data.strip():
cron_dir = sections[e.keyname] if not cdir else cdir
attribute = '%s:%s' % (e.keyname,
b64encode(e.data.encode()).decode())
old_val = self.gp_db.retrieve(str(self), attribute)
if not old_val:
with NamedTemporaryFile(prefix='gp_', mode="w+",
delete=False, dir=cron_dir) as f:
contents = '#!/bin/sh\n%s' % intro
contents += '%s\n' % e.data
f.write(contents)
os.chmod(f.name, 0o700)
self.gp_db.store(str(self), attribute, f.name)
self.gp_db.commit()
def rsop(self, gpo):
output = {}
pol_file = 'MACHINE/Registry.pol'
if gpo.file_sys_path:
path = os.path.join(gpo.file_sys_path, pol_file)
pol_conf = self.parse(path)
if not pol_conf:
return output
for e in pol_conf.entries:
key = e.keyname.split('\\')[-1]
if key.endswith('Scripts') and e.data.strip():
if key not in output.keys():
output[key] = []
output[key].append(e.data)
return output