source/include/idmap.h

   1 #ifndef _IDMAP_H_
   2 #define _IDMAP_H_
   3 /*
   4    Unix SMB/CIFS implementation.
   5
   6    Idmap headers
   7
   8    Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
   9    Copyright (C) Simo Sorce 2003
  10
  11    This library is free software; you can redistribute it and/or
  12    modify it under the terms of the GNU Lesser General Public
  13    License as published by the Free Software Foundation; either
  14    version 3 of the License, or (at your option) any later version.
  15
  16    This library is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19    Library General Public License for more details.
  20
  21    You should have received a copy of the GNU Lesser General Public License
  22    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23 */
  24
  25 /* idmap version determines auto-conversion - this is the database
  26    structure version specifier. */
  27
  28 #define IDMAP_VERSION 2
  29
  30 /* The interface version specifier.
  31    Updated to 3 for enum types by JRA. */
  32
  33 /* Updated to 4, completely new interface, SSS */
  34
  35 #define SMB_IDMAP_INTERFACE_VERSION 4
  36
  37 struct idmap_domain {
  38         const char *name;
  39         bool default_domain;
  40         bool readonly;
  41         void *private_data;
  42         struct idmap_methods *methods;
  43         bool initialized;
  44         const char *params;
  45 };
  46
  47 /* Filled out by IDMAP backends */
  48 struct idmap_methods {
  49
  50         /* Called when backend is first loaded */
  51         NTSTATUS (*init)(struct idmap_domain *dom);
  52
  53         /* Map an array of uids/gids to SIDs.  The caller specifies
  54            the uid/gid and type. Gets back the SID. */
  55         NTSTATUS (*unixids_to_sids)(struct idmap_domain *dom, struct id_map **ids);
  56
  57         /* Map an arry of SIDs to uids/gids.  The caller sets the SID
  58            and type and gets back a uid or gid. */
  59         NTSTATUS (*sids_to_unixids)(struct idmap_domain *dom, struct id_map **ids);
  60
  61         NTSTATUS (*set_mapping)(struct idmap_domain *dom, const struct id_map *map);
  62         NTSTATUS (*remove_mapping)(struct idmap_domain *dom, const struct id_map *map);
  63
  64         /* Called to dump backends data */
  65         /* NOTE: caller must use talloc_free to free maps when done */
  66         NTSTATUS (*dump_data)(struct idmap_domain *dom, struct id_map **maps, int *num_maps);
  67
  68         /* Called when backend is unloaded */
  69         NTSTATUS (*close_fn)(struct idmap_domain *dom);
  70 };
  71
  72 struct idmap_alloc_methods {
  73
  74         /* Called when backend is first loaded */
  75         NTSTATUS (*init)(const char *compat_params);
  76
  77         NTSTATUS (*allocate_id)(struct unixid *id);
  78         NTSTATUS (*get_id_hwm)(struct unixid *id);
  79         NTSTATUS (*set_id_hwm)(struct unixid *id);
  80
  81         /* Called when backend is unloaded */
  82         NTSTATUS (*close_fn)(void);
  83 };
  84
  85 #endif /* _IDMAP_H_ */