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86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/*
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Unix SMB/CIFS implementation.
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idmap TDB backend
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Copyright (C) Tim Potter 2000
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Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
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Copyright (C) Simo Sorce 2003
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Copyright (C) Jelmer Vernooij 2005
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#include "lib/tdb/include/tdbutil.h"
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#include "lib/samba3/samba3.h"
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#include "system/filesys.h"
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/* High water mark keys */
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#define HWM_GROUP "GROUP HWM"
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#define HWM_USER "USER HWM"
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/* idmap version determines auto-conversion */
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#define IDMAP_VERSION 2
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/*****************************************************************************
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Initialise idmap database.
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*****************************************************************************/
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NTSTATUS samba3_read_idmap( const char *fn, TALLOC_CTX *ctx, struct samba3_idmapdb *idmap )
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{
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TDB_CONTEXT *tdb;
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TDB_DATA key, val;
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/* Open idmap repository */
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if (!(tdb = tdb_open(fn, 0, TDB_DEFAULT, O_RDONLY, 0644))) {
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DEBUG(0, ("idmap_init: Unable to open idmap database '%s'\n", fn));
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return NT_STATUS_UNSUCCESSFUL;
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}
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idmap->mapping_count = 0;
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idmap->mappings = NULL;
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idmap->user_hwm = tdb_fetch_int32(tdb, HWM_USER);
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idmap->group_hwm = tdb_fetch_int32(tdb, HWM_GROUP);
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for (key = tdb_firstkey(tdb); key.dptr; key = tdb_nextkey(tdb, key))
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{
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struct samba3_idmap_mapping map;
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if (strncmp(key.dptr, "GID ", 4) == 0) {
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map.type = IDMAP_GROUP;
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map.unix_id = atoi(key.dptr+4);
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val = tdb_fetch(tdb, key);
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map.sid = dom_sid_parse_talloc(ctx, val.dptr);
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} else if (strncmp(key.dptr, "UID ", 4) == 0) {
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map.type = IDMAP_USER;
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map.unix_id = atoi(key.dptr+4);
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val = tdb_fetch(tdb, key);
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map.sid = dom_sid_parse_talloc(ctx, val.dptr);
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} else {
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continue;
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}
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idmap->mappings = talloc_realloc(ctx, idmap->mappings, struct samba3_idmap_mapping, idmap->mapping_count+1);
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idmap->mappings[idmap->mapping_count] = map;
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idmap->mapping_count++;
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}
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tdb_close(tdb);
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return NT_STATUS_OK;
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}
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