Current File : //usr/lib/python3/dist-packages/samba/gp/vgp_sudoers_ext.py
# vgp_sudoers_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
from samba.gp.gpclass import gp_xml_ext, gp_file_applier
from samba.gp.gp_sudoers_ext import sudo_applier_func
from samba.gp.util.logging import log
class vgp_sudoers_ext(gp_xml_ext, gp_file_applier):
def __str__(self):
return 'VGP/Unix Settings/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:
xml = 'MACHINE/VGP/VTLA/Sudo/SudoersConfiguration/manifest.xml'
path = os.path.join(gpo.file_sys_path, xml)
xml_conf = self.parse(path)
if not xml_conf:
continue
policy = xml_conf.find('policysetting')
data = policy.find('data')
sudo_entries = []
for entry in data.findall('sudoers_entry'):
command = entry.find('command').text
user = entry.find('user').text
listelements = entry.findall('listelement')
principals = []
for listelement in listelements:
principals.extend(listelement.findall('principal'))
if len(principals) > 0:
uname = ','.join([u.text if u.attrib['type'] == 'user' \
else '%s%%' % u.text for u in principals])
else:
uname = 'ALL'
nopassword = entry.find('password') is None
np_entry = ' NOPASSWD:' if nopassword else ''
p = '%s ALL=(%s)%s %s' % (uname, user, np_entry, command)
sudo_entries.append(p)
# 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)
# 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 = {}
xml = 'MACHINE/VGP/VTLA/Sudo/SudoersConfiguration/manifest.xml'
if gpo.file_sys_path:
path = os.path.join(gpo.file_sys_path, xml)
xml_conf = self.parse(path)
if not xml_conf:
return output
policy = xml_conf.find('policysetting')
data = policy.find('data')
for entry in data.findall('sudoers_entry'):
command = entry.find('command').text
user = entry.find('user').text
listelements = entry.findall('listelement')
principals = []
for listelement in listelements:
principals.extend(listelement.findall('principal'))
if len(principals) > 0:
uname = ','.join([u.text if u.attrib['type'] == 'user' \
else '%s%%' % u.text for u in principals])
else:
uname = 'ALL'
nopassword = entry.find('password') is None
np_entry = ' NOPASSWD:' if nopassword else ''
p = '%s ALL=(%s)%s %s' % (uname, user, np_entry, command)
if str(self) not in output.keys():
output[str(self)] = []
output[str(self)].append(p)
return output
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