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 import glue
  27 import ldb
  28
  29 class IDmapDB(samba.Ldb):
  30     """The IDmap database."""
  31
  32     # Mappings for ID_TYPE_UID, ID_TYPE_GID and ID_TYPE_BOTH
  33     TYPE_UID = 1
  34     TYPE_GID = 2
  35     TYPE_BOTH = 3
  36
  37     def __init__(self, url=None, session_info=None, credentials=None,
  38                  modules_dir=None, lp=None):
  39         """Open the IDmap Database.
  40
  41         :param url: URL of the database.
  42         """
  43         self.lp = lp
  44
  45         super(IDmapDB, self).__init__(session_info=session_info, credentials=credentials,
  46                                     modules_dir=modules_dir, lp=lp)
  47         if url:
  48             self.connect(url)
  49         else:
  50             self.connect(lp.get("idmap database"))
  51
  52     def connect(self, url):
  53         super(IDmapDB, self).connect(self.lp.private_path(url))
  54
  55     def setup_name_mapping(self, sid, type, unixid):
  56         """Setup a mapping between a sam name and a unix name.
  57
  58         :param sid: SID of the NT-side of the mapping.
  59         :param unixname: Unix name to map to.
  60         """
  61         type_string = ""
  62         if type == self.TYPE_UID:
  63             type_string = "ID_TYPE_UID"
  64         elif type == self.TYPE_GID:
  65             type_string = "ID_TYPE_GID"
  66         elif type == self.TYPE_BOTH:
  67             type_string = "ID_TYPE_BOTH"
  68         else:
  69             return
  70
  71         mod = """
  72 dn: CN=%s
  73 xidNumber: %s
  74 objectSid: %s
  75 objectClass: sidMap
  76 type: %s
  77 cn: %s
  78
  79 """ % (sid, unixid, sid, type_string, sid)
  80         self.add(self.parse_ldif(mod).next()[1])
  81
  82