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# gp_centrify_sudoers_ext samba gpo policy
# Copyright (C) David Mulder <dmulder@suse.com> 2022
#
# 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
from samba.gp.gpclass import gp_pol_ext, gp_file_applier
from samba.gp.gp_sudoers_ext import sudo_applier_func
def ext_enabled(entries):
section = 'Software\\Policies\\Centrify\\UnixSettings'
for e in entries:
if e.keyname == section and e.valuename == 'sudo.enabled':
return e.data == 1
return False
class gp_centrify_sudoers_ext(gp_pol_ext, gp_file_applier):
def __str__(self):
return 'Centrify/Sudo Rights'
def process_group_policy(self, deleted_gpo_list, changed_gpo_list,
sdir='/etc/sudoers.d'):
for guid, settings in deleted_gpo_list:
if str(self) in settings:
for attribute, sudoers in settings[str(self)].items():
self.unapply(guid, attribute, sudoers)
for gpo in changed_gpo_list:
if gpo.file_sys_path:
section = 'Software\\Policies\\Centrify\\UnixSettings\\SuDo'
pol_file = 'MACHINE/Registry.pol'
path = os.path.join(gpo.file_sys_path, pol_file)
pol_conf = self.parse(path)
if not pol_conf or not ext_enabled(pol_conf.entries):
continue
sudo_entries = []
for e in pol_conf.entries:
if e.keyname == section and e.data.strip():
if '**delvals.' in e.valuename:
continue
sudo_entries.append(e.data)
# Each GPO applies only one set of sudoers, in a
# set of files, so the attribute does not need uniqueness.
attribute = self.generate_attribute(gpo.name, *sudo_entries)
# The value hash is generated from the sudo_entries, ensuring
# any changes to this GPO will cause the files to be rewritten.
value_hash = self.generate_value_hash(*sudo_entries)
self.apply(gpo.name, attribute, value_hash, sudo_applier_func,
sdir, sudo_entries)
# Cleanup any old entries that are no longer part of the policy
self.clean(gpo.name, keep=[attribute])
def rsop(self, gpo):
output = {}
section = 'Software\\Policies\\Centrify\\UnixSettings\\SuDo'
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:
if e.keyname == section and e.data.strip():
if '**delvals.' in e.valuename:
continue
if str(self) not in output.keys():
output[str(self)] = []
output[str(self)].append(e.data)
return output
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