source4/scripting/python/samba/idmap.py

   1 #!/usr/bin/python
   2
   3 # Unix SMB/CIFS implementation.
   4 # Copyright (C) 2008 Kai Blin <kai@samba.org>
   5 #
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 """Convenience functions for using the idmap database."""
  22
  23 __docformat__ = "restructuredText"
  24
  25 import samba
  26
  27 class IDmapDB(samba.Ldb):
  28     """The IDmap database."""
  29
  30     # Mappings for ID_TYPE_UID, ID_TYPE_GID and ID_TYPE_BOTH
  31     TYPE_UID = 1
  32     TYPE_GID = 2
  33     TYPE_BOTH = 3
  34
  35     def __init__(self, url=None, lp=None, modules_dir=None, session_info=None,
  36                  credentials=None, flags=0, options=None):
  37         """Opens the IDMap Database
  38         For parameter meanings see the super class (samba.Ldb)
  39         """
  40
  41         self.lp = lp
  42         if url is None:
  43                 url = lp.get("idmap database")
  44
  45         super(IDmapDB, self).__init__(url=url, lp=lp, modules_dir=modules_dir,
  46                 session_info=session_info, credentials=credentials, flags=flags,
  47                 options=options)
  48
  49     def connect(self, url=None, flags=0, options=None):
  50         super(IDmapDB, self).connect(url=self.lp.private_path(url), flags=flags,
  51                 options=options)
  52
  53     def setup_name_mapping(self, sid, type, unixid):
  54         """Setup a mapping between a sam name and a unix name.
  55
  56         :param sid: SID of the NT-side of the mapping.
  57         :param unixname: Unix name to map to.
  58         """
  59         type_string = ""
  60         if type == self.TYPE_UID:
  61             type_string = "ID_TYPE_UID"
  62         elif type == self.TYPE_GID:
  63             type_string = "ID_TYPE_GID"
  64         elif type == self.TYPE_BOTH:
  65             type_string = "ID_TYPE_BOTH"
  66         else:
  67             return
  68
  69         mod = """
  70 dn: CN=%s
  71 xidNumber: %s
  72 objectSid: %s
  73 objectClass: sidMap
  74 type: %s
  75 cn: %s
  76
  77 """ % (sid, unixid, sid, type_string, sid)
  78         self.add(self.parse_ldif(mod).next()[1])
  79
  80