source3/groupdb/mapping.h

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Andrew Tridgell              1992-2000,
   5  *  Copyright (C) Jean François Micouleau      1998-2001.
   6  *  Copyright (C) Volker Lendecke              2006.
   7  *  Copyright (C) Gerald Carter                2006.
   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 3 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, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23 #define DATABASE_VERSION_V1 1 /* native byte format. */
  24 #define DATABASE_VERSION_V2 2 /* le format. */
  25
  26 #define GROUP_PREFIX "UNIXGROUP/"
  27 #define GROUP_PREFIX_LEN 10
  28
  29 /* Alias memberships are stored reverse, as memberships. The performance
  30  * critical operation is to determine the aliases a SID is member of, not
  31  * listing alias members. So we store a list of alias SIDs a SID is member of
  32  * hanging of the member as key.
  33  */
  34 #define MEMBEROF_PREFIX "MEMBEROF/"
  35 #define MEMBEROF_PREFIX_LEN 9
  36
  37 /*
  38   groupdb mapping backend abstraction
  39  */
  40 struct mapping_backend {
  41         bool (*init_group_mapping)(void);
  42         bool (*add_mapping_entry)(GROUP_MAP *map, int flag);
  43         bool (*get_group_map_from_sid)(DOM_SID sid, GROUP_MAP *map);
  44         bool (*get_group_map_from_gid)(gid_t gid, GROUP_MAP *map);
  45         bool (*get_group_map_from_ntname)(const char *name, GROUP_MAP *map);
  46         bool (*group_map_remove)(const DOM_SID *sid);
  47         bool (*enum_group_mapping)(const DOM_SID *domsid, enum lsa_SidType sid_name_use,
  48                                    GROUP_MAP **pp_rmap,
  49                                    size_t *p_num_entries, bool unix_only);
  50         NTSTATUS (*one_alias_membership)(const DOM_SID *member,
  51                                          DOM_SID **sids, size_t *num);
  52         NTSTATUS (*add_aliasmem)(const DOM_SID *alias, const DOM_SID *member);
  53         NTSTATUS (*del_aliasmem)(const DOM_SID *alias, const DOM_SID *member);
  54         NTSTATUS (*enum_aliasmem)(const DOM_SID *alias, TALLOC_CTX *mem_ctx,
  55                                   DOM_SID **sids, size_t *num);
  56 };