source3/winbindd/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 3 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, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "idmap.h"
  24 #include "passdb.h"
  25
  26 #undef DBGC_CLASS
  27 #define DBGC_CLASS DBGC_IDMAP
  28
  29 /*****************************
  30  Initialise idmap database.
  31 *****************************/
  32
  33 static NTSTATUS idmap_pdb_init(struct idmap_domain *dom)
  34 {
  35         return NT_STATUS_OK;
  36 }
  37
  38 /**********************************
  39  lookup a set of unix ids.
  40 **********************************/
  41
  42 static NTSTATUS idmap_pdb_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
  43 {
  44         int i;
  45
  46         for (i = 0; ids[i]; i++) {
  47
  48                 /* unmapped by default */
  49                 ids[i]->status = ID_UNMAPPED;
  50
  51                 switch (ids[i]->xid.type) {
  52                 case ID_TYPE_UID:
  53                         if (pdb_uid_to_sid((uid_t)ids[i]->xid.id, ids[i]->sid)) {
  54                                 ids[i]->status = ID_MAPPED;
  55                         }
  56                         break;
  57                 case ID_TYPE_GID:
  58                         if (pdb_gid_to_sid((gid_t)ids[i]->xid.id, ids[i]->sid)) {
  59                                 ids[i]->status = ID_MAPPED;
  60                         }
  61                         break;
  62                 default: /* ?? */
  63                         ids[i]->status = ID_UNKNOWN;
  64                 }
  65         }
  66
  67         return NT_STATUS_OK;
  68 }
  69
  70 /**********************************
  71  lookup a set of sids.
  72 **********************************/
  73
  74 static NTSTATUS idmap_pdb_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
  75 {
  76         int i;
  77
  78         for (i = 0; ids[i]; i++) {
  79                 if (pdb_sid_to_id(ids[i]->sid, &ids[i]->xid)) {
  80                         ids[i]->status = ID_MAPPED;
  81                 } else {
  82                         /* Query Failed */
  83                         ids[i]->status = ID_UNMAPPED;
  84                 }
  85         }
  86
  87         return NT_STATUS_OK;
  88 }
  89
  90 /**********************************
  91  Close the idmap tdb instance
  92 **********************************/
  93
  94 static struct idmap_methods passdb_methods = {
  95
  96         .init = idmap_pdb_init,
  97         .unixids_to_sids = idmap_pdb_unixids_to_sids,
  98         .sids_to_unixids = idmap_pdb_sids_to_unixids,
  99 };
 100
 101 NTSTATUS idmap_passdb_init(void)
 102 {
 103         return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "passdb", &passdb_methods);
 104 }