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#!/usr/bin/python
# Unix SMB/CIFS implementation.
# Copyright (C) 2008 Kai Blin <kai@samba.org>
#
#
# 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/>.
#
"""Convenience functions for using the idmap database."""
import samba
import misc
import ldb
class IDmapDB(samba.Ldb):
"""The IDmap database."""
# Mappings for ID_TYPE_UID, ID_TYPE_GID and ID_TYPE_BOTH
TYPE_UID = 1
TYPE_GID = 2
TYPE_BOTH = 3
def __init__(self, url=None, session_info=None, credentials=None,
modules_dir=None, lp=None):
"""Open the IDmap Database.
:param url: URL of the database.
"""
self.lp = lp
super(IDmapDB, self).__init__(session_info=session_info, credentials=credentials,
modules_dir=modules_dir, lp=lp)
if url:
self.connect(url)
else:
self.connect(lp.get("idmap database"))
def connect(self, url):
super(IDmapDB, self).connect(misc.private_path(self.lp, url))
def setup_name_mapping(self, sid, type, unixid):
"""Setup a mapping between a sam name and a unix name.
:param sid: SID of the NT-side of the mapping.
:param unixname: Unix name to map to.
"""
type_string = ""
if type == self.TYPE_UID:
type_string = "ID_TYPE_UID"
elif type == self.TYPE_GID:
type_string = "ID_TYPE_GID"
elif type == self.TYPE_BOTH:
type_string = "ID_TYPE_BOTH"
else:
return
mod = """
dn: CN=%s
xidNumber: %s
objectSid: %s
objectClass: sidMap
type: %s
cn: %s
""" % (sid, unixid, sid, type_string, sid)
self.add(self.parse_ldif(mod).next()[1])
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