source3/nsswitch/idmap_passdb.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    idmap PASSDB backend
   5
   6    Copyright (C) Simo Sorce 2006
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24
  25 #undef DBGC_CLASS
  26 #define DBGC_CLASS DBGC_IDMAP
  27
  28 /*****************************
  29  Initialise idmap database.
  30 *****************************/
  31
  32 static NTSTATUS idmap_pdb_init(struct idmap_domain *dom, const char *compat_params)
  33 {
  34         return NT_STATUS_OK;
  35 }
  36
  37 /**********************************
  38  lookup a set of unix ids.
  39 **********************************/
  40
  41 static NTSTATUS idmap_pdb_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
  42 {
  43         int i;
  44
  45         for (i = 0; ids[i]; i++) {
  46                 switch (ids[i]->xid.type) {
  47                 case ID_TYPE_UID:
  48                         ids[i]->mapped = pdb_uid_to_sid((uid_t)ids[i]->xid.id, ids[i]->sid);
  49                         break;
  50                 case ID_TYPE_GID:
  51                         ids[i]->mapped = pdb_gid_to_sid((gid_t)ids[i]->xid.id, ids[i]->sid);
  52                         break;
  53                 default: /* ?? */
  54                         ids[i]->mapped = False;
  55                 }
  56         }
  57
  58         return NT_STATUS_OK;
  59 }
  60
  61 /**********************************
  62  lookup a set of sids.
  63 **********************************/
  64
  65 static NTSTATUS idmap_pdb_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
  66 {
  67         int i;
  68
  69         for (i = 0; ids[i]; i++) {
  70                 enum lsa_SidType type;
  71                 union unid_t id;
  72
  73                 if (pdb_sid_to_id(ids[i]->sid, &id, &type)) {
  74                         switch (type) {
  75                         case SID_NAME_USER:
  76                                 ids[i]->xid.id = id.uid;
  77                                 ids[i]->xid.type = ID_TYPE_UID;
  78                                 ids[i]->mapped = True;
  79                                 break;
  80
  81                         case SID_NAME_DOM_GRP:
  82                         case SID_NAME_ALIAS:
  83                         case SID_NAME_WKN_GRP:
  84                                 ids[i]->xid.id = id.gid;
  85                                 ids[i]->xid.type = ID_TYPE_GID;
  86                                 ids[i]->mapped = True;
  87                                 break;
  88
  89                         default: /* ?? */
  90                                 /* make sure it is marked as unmapped */
  91                                 ids[i]->mapped = False;
  92                                 break;
  93                         }
  94                 } else {
  95                         /* Query Failed */
  96                         ids[i]->mapped = False;
  97                 }
  98         }
  99
 100         return NT_STATUS_OK;
 101 }
 102
 103 /**********************************
 104  Close the idmap tdb instance
 105 **********************************/
 106
 107 static NTSTATUS idmap_pdb_close(struct idmap_domain *dom)
 108 {
 109         return NT_STATUS_OK;
 110 }
 111
 112 static struct idmap_methods passdb_methods = {
 113
 114         .init = idmap_pdb_init,
 115         .unixids_to_sids = idmap_pdb_unixids_to_sids,
 116         .sids_to_unixids = idmap_pdb_sids_to_unixids,
 117         .close_fn =idmap_pdb_close
 118 };
 119
 120 NTSTATUS idmap_passdb_init(void)
 121 {
 122         return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "passdb", &passdb_methods);
 123 }