python/samba/vgp_motd_ext.py

   1 # vgp_motd_ext samba gpo policy
   2 # Copyright (C) David Mulder <dmulder@suse.com> 2020
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 import os
  18 from samba.gpclass import gp_xml_ext
  19
  20 class vgp_motd_ext(gp_xml_ext):
  21     def __str__(self):
  22         return 'Unix Settings/Message of the Day'
  23
  24     def process_group_policy(self, deleted_gpo_list, changed_gpo_list,
  25                              motd='/etc/motd'):
  26         for guid, settings in deleted_gpo_list:
  27             self.gp_db.set_guid(guid)
  28             if str(self) in settings:
  29                 for attribute, msg in settings[str(self)].items():
  30                     if attribute == 'motd':
  31                         with open(motd, 'w') as w:
  32                             if msg:
  33                                 w.write(msg)
  34                             else:
  35                                 w.truncate()
  36                     self.gp_db.delete(str(self), attribute)
  37             self.gp_db.commit()
  38
  39         for gpo in changed_gpo_list:
  40             if gpo.file_sys_path:
  41                 self.gp_db.set_guid(gpo.name)
  42                 xml = 'MACHINE/VGP/VTLA/Unix/MOTD/manifest.xml'
  43                 path = os.path.join(gpo.file_sys_path, xml)
  44                 xml_conf = self.parse(path)
  45                 if not xml_conf:
  46                     continue
  47                 policy = xml_conf.find('policysetting')
  48                 data = policy.find('data')
  49                 text = data.find('text')
  50                 current = open(motd, 'r').read() if os.path.exists(motd) else ''
  51                 if current != text.text:
  52                     with open(motd, 'w') as w:
  53                         w.write(text.text)
  54                         self.gp_db.store(str(self), 'motd', current)
  55                     self.gp_db.commit()
  56
  57     def rsop(self, gpo):
  58         output = {}
  59         if gpo.file_sys_path:
  60             xml = 'MACHINE/VGP/VTLA/Unix/MOTD/manifest.xml'
  61             path = os.path.join(gpo.file_sys_path, xml)
  62             xml_conf = self.parse(path)
  63             if not xml_conf:
  64                 return output
  65             policy = xml_conf.find('policysetting')
  66             data = policy.find('data')
  67             filename = data.find('filename')
  68             text = data.find('text')
  69             mfile = os.path.join('/etc', filename.text)
  70             output[mfile] = text.text
  71         return output