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This adds a Group Policy extension which applies Sudo rights set by Vintela Group Policy in the SYSVOL. Signed-off-by: David Mulder <dmulder@suse.com> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Sat Dec 19 08:11:50 UTC 2020 on sn-devel-184
102 lines
4.7 KiB
Python
102 lines
4.7 KiB
Python
# vgp_sudoers_ext samba gpo policy
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# Copyright (C) David Mulder <dmulder@suse.com> 2020
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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from samba.gpclass import gp_xml_ext
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from base64 import b64encode
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from tempfile import NamedTemporaryFile
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from subprocess import Popen, PIPE
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from samba.gp_sudoers_ext import visudo, intro
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class vgp_sudoers_ext(gp_xml_ext):
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def __str__(self):
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return 'VGP/Unix Settings/Sudo Rights'
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def process_group_policy(self, deleted_gpo_list, changed_gpo_list,
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sdir='/etc/sudoers.d'):
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for guid, settings in deleted_gpo_list:
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self.gp_db.set_guid(guid)
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if str(self) in settings:
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for attribute, sudoers in settings[str(self)].items():
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if os.path.exists(sudoers):
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os.unlink(sudoers)
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self.gp_db.delete(str(self), attribute)
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self.gp_db.commit()
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for gpo in changed_gpo_list:
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if gpo.file_sys_path:
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self.gp_db.set_guid(gpo.name)
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xml = 'MACHINE/VGP/VTLA/Sudo/SudoersConfiguration/manifest.xml'
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path = os.path.join(gpo.file_sys_path, xml)
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xml_conf = self.parse(path)
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if not xml_conf:
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continue
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policy = xml_conf.find('policysetting')
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data = policy.find('data')
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for entry in data.findall('sudoers_entry'):
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command = entry.find('command').text
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user = entry.find('user').text
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principals = [p.text for p in entry.find('listelement').findall('principal')]
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nopassword = entry.find('password') == None
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np_entry = ' NOPASSWD:' if nopassword else ''
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p = '%s ALL=(%s)%s %s' % (','.join(principals), user, np_entry, command)
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attribute = b64encode(p.encode()).decode()
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old_val = self.gp_db.retrieve(str(self), attribute)
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if not old_val:
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contents = intro
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contents += '%s\n' % p
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with NamedTemporaryFile() as f:
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with open(f.name, 'w') as w:
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w.write(contents)
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sudo_validation = \
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Popen([visudo, '-c', '-f', f.name],
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stdout=PIPE, stderr=PIPE).wait()
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if sudo_validation == 0:
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with NamedTemporaryFile(prefix='gp_',
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delete=False,
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dir=sdir) as f:
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with open(f.name, 'w') as w:
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w.write(contents)
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self.gp_db.store(str(self),
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attribute,
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f.name)
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else:
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self.logger.warn('Sudoers apply "%s" failed'
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% p)
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self.gp_db.commit()
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def rsop(self, gpo):
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output = {}
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xml = 'MACHINE/VGP/VTLA/Sudo/SudoersConfiguration/manifest.xml'
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if gpo.file_sys_path:
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path = os.path.join(gpo.file_sys_path, xml)
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xml_conf = self.parse(path)
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if not xml_conf:
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return output
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policy = xml_conf.find('policysetting')
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data = policy.find('data')
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for entry in data.findall('sudoers_entry'):
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command = entry.find('command').text
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user = entry.find('user').text
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principals = [p.text for p in entry.find('listelement').findall('principal')]
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nopassword = entry.find('password') == None
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np_entry = ' NOPASSWD:' if nopassword else ''
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p = '%s ALL=(%s)%s %s' % (','.join(principals), user, np_entry, command)
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if str(self) not in output.keys():
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output[str(self)] = []
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output[str(self)].append(p)
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return output
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