source/lib/sursalgnt5ldap.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    Groupname handling
   5    Copyright (C) Jeremy Allison               1998-2000.
   6    Copyright (C) Luke Kenneth Casson Leighton 1996-2000.
   7    Copyright (C) Luke Howard                  2000.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 /*
  25  * LDAP implementation of a SURS (sid to uid resolution) table.
  26  */
  27
  28 #include "includes.h"
  29
  30 #ifdef WITH_NT5LDAP
  31
  32 #include "sids.h"
  33 #include "ldapdb.h"
  34
  35 /******************************************************************
  36  converts SID + SID_NAME_USE type to a UNIX id.
  37  ********************************************************************/
  38 BOOL surs_nt5ldap_sam_sid_to_unixid(LDAPDB *hds, DOM_SID * sid, uint32 type,
  39                                     uint32 * id, BOOL create)
  40 {
  41         if (!ldapdb_lookup_by_sid(hds, sid))
  42                 return False;
  43
  44         switch (type)
  45         {
  46                 case RID_TYPE_USER:
  47                         return ldapdb_get_uint32(hds, "uidNumber", id);
  48                 case RID_TYPE_GROUP:
  49                 case RID_TYPE_ALIAS:
  50                         return ldapdb_get_uint32(hds, "gidNumber", id);
  51                 default:
  52                         break;
  53         }
  54
  55         return False;
  56 }
  57
  58 /******************************************************************
  59  converts UNIX gid + SID_NAME_USE type to a SID.
  60  ********************************************************************/
  61 BOOL surs_nt5ldap_unixid_to_sam_sid(LDAPDB *hds, uint32 id, uint32 type,
  62                                     DOM_SID * sid, BOOL create)
  63 {
  64         char *attribute;
  65         fstring filter;
  66         char *attrs[] = { "objectSid", NULL };
  67         BOOL ret;
  68
  69         switch (type)
  70         {
  71                 case SID_NAME_USER:
  72                 {
  73                         attribute = "uidNumber";
  74                         break;
  75                 }
  76                 case SID_NAME_ALIAS:
  77                 case SID_NAME_DOM_GRP:
  78                 case SID_NAME_WKN_GRP:
  79                 {
  80                         attribute = "gidNumber";
  81                         break;
  82                 }
  83                 default:
  84                 {
  85                         return False;
  86                 }
  87         }
  88
  89         slprintf(filter, sizeof(filter) - 1, "(&(objectSid=*)(%s=%d))",
  90                  attribute, id);
  91         return ldapdb_search(hds, NULL, filter, attrs, 1)
  92                 && ldapdb_get_sid(hds, "objectSid", sid);
  93 }
  94
  95 #endif /* WITH_NT5LDAP */