2 Unix SMB/CIFS implementation.
6 Copyright (C) Tim Potter 2000
7 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
8 Copyright (C) Jeremy Allison 2006
9 Copyright (C) Simo Sorce 2003-2006
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
16 This program 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
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
29 #define DBGC_CLASS DBGC_IDMAP
31 /* idmap version determines auto-conversion - this is the database
32 structure version specifier. */
34 #define IDMAP_VERSION 2
36 struct idmap_tdb_context {
37 struct db_context *db;
40 /* High water mark keys */
41 #define HWM_GROUP "GROUP HWM"
42 #define HWM_USER "USER HWM"
44 struct convert_fn_state {
45 struct db_context *db;
49 /*****************************************************************************
50 For idmap conversion: convert one record to new format
51 Ancient versions (eg 2.2.3a) of winbindd_idmap.tdb mapped DOMAINNAME/rid
53 *****************************************************************************/
54 static int convert_fn(struct db_record *rec, void *private_data)
56 struct winbindd_domain *domain;
64 struct convert_fn_state *s = (struct convert_fn_state *)private_data;
66 DEBUG(10,("Converting %s\n", (const char *)rec->key.dptr));
68 p = strchr((const char *)rec->key.dptr, '/');
73 fstrcpy(dom_name, (const char *)rec->key.dptr);
76 domain = find_domain_from_name(dom_name);
78 /* We must delete the old record. */
79 DEBUG(0,("Unable to find domain %s\n", dom_name ));
80 DEBUG(0,("deleting record %s\n", (const char *)rec->key.dptr ));
82 status = rec->delete_rec(rec);
83 if (!NT_STATUS_IS_OK(status)) {
84 DEBUG(0, ("Unable to delete record %s:%s\n",
85 (const char *)rec->key.dptr,
96 sid_compose(&sid, &domain->sid, rid);
98 sid_to_fstring(keystr, &sid);
99 key2 = string_term_tdb_data(keystr);
101 status = dbwrap_store(s->db, key2, rec->value, TDB_INSERT);
102 if (!NT_STATUS_IS_OK(status)) {
103 DEBUG(0,("Unable to add record %s:%s\n",
104 (const char *)key2.dptr,
110 status = dbwrap_store(s->db, rec->value, key2, TDB_REPLACE);
111 if (!NT_STATUS_IS_OK(status)) {
112 DEBUG(0,("Unable to update record %s:%s\n",
113 (const char *)rec->value.dptr,
119 status = rec->delete_rec(rec);
120 if (!NT_STATUS_IS_OK(status)) {
121 DEBUG(0,("Unable to delete record %s:%s\n",
122 (const char *)rec->key.dptr,
131 /*****************************************************************************
132 Convert the idmap database from an older version.
133 *****************************************************************************/
135 static bool idmap_tdb_upgrade(struct idmap_domain *dom, struct db_context *db)
138 bool bigendianheader;
139 struct convert_fn_state s;
141 DEBUG(0, ("Upgrading winbindd_idmap.tdb from an old version\n"));
143 bigendianheader = (db->get_flags(db) & TDB_BIGENDIAN) ? True : False;
145 vers = dbwrap_fetch_int32(db, "IDMAP_VERSION");
147 if (((vers == -1) && bigendianheader) || (IREV(vers) == IDMAP_VERSION)) {
148 /* Arrggghh ! Bytereversed or old big-endian - make order independent ! */
150 * high and low records were created on a
151 * big endian machine and will need byte-reversing.
156 wm = dbwrap_fetch_int32(db, HWM_USER);
164 if (dbwrap_store_int32(db, HWM_USER, wm) == -1) {
165 DEBUG(0, ("Unable to byteswap user hwm in idmap database\n"));
169 wm = dbwrap_fetch_int32(db, HWM_GROUP);
176 if (dbwrap_store_int32(db, HWM_GROUP, wm) == -1) {
177 DEBUG(0, ("Unable to byteswap group hwm in idmap database\n"));
185 /* the old format stored as DOMAIN/rid - now we store the SID direct */
186 db->traverse(db, convert_fn, &s);
189 DEBUG(0, ("Problem during conversion\n"));
193 if (dbwrap_store_int32(db, "IDMAP_VERSION", IDMAP_VERSION) == -1) {
194 DEBUG(0, ("Unable to store idmap version in databse\n"));
201 static NTSTATUS idmap_tdb_init_hwm(struct idmap_domain *dom)
206 bool update_uid = false;
207 bool update_gid = false;
208 struct idmap_tdb_context *ctx;
210 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
212 low_uid = dbwrap_fetch_int32(ctx->db, HWM_USER);
213 if (low_uid == -1 || low_uid < dom->low_id) {
217 low_gid = dbwrap_fetch_int32(ctx->db, HWM_GROUP);
218 if (low_gid == -1 || low_gid < dom->low_id) {
222 if (!update_uid && !update_gid) {
226 if (ctx->db->transaction_start(ctx->db) != 0) {
227 DEBUG(0, ("Unable to start upgrade transaction!\n"));
228 return NT_STATUS_INTERNAL_DB_ERROR;
232 ret = dbwrap_store_int32(ctx->db, HWM_USER, dom->low_id);
234 ctx->db->transaction_cancel(ctx->db);
235 DEBUG(0, ("Unable to initialise user hwm in idmap "
237 return NT_STATUS_INTERNAL_DB_ERROR;
242 ret = dbwrap_store_int32(ctx->db, HWM_GROUP, dom->low_id);
244 ctx->db->transaction_cancel(ctx->db);
245 DEBUG(0, ("Unable to initialise group hwm in idmap "
247 return NT_STATUS_INTERNAL_DB_ERROR;
251 if (ctx->db->transaction_commit(ctx->db) != 0) {
252 DEBUG(0, ("Unable to commit upgrade transaction!\n"));
253 return NT_STATUS_INTERNAL_DB_ERROR;
259 static NTSTATUS idmap_tdb_open_db(struct idmap_domain *dom)
263 char *tdbfile = NULL;
264 struct db_context *db = NULL;
266 bool config_error = false;
267 struct idmap_tdb_context *ctx;
269 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
272 /* it is already open */
276 /* use our own context here */
277 mem_ctx = talloc_stackframe();
279 /* use the old database if present */
280 tdbfile = state_path("winbindd_idmap.tdb");
282 DEBUG(0, ("Out of memory!\n"));
283 ret = NT_STATUS_NO_MEMORY;
287 DEBUG(10,("Opening tdbfile %s\n", tdbfile ));
289 /* Open idmap repository */
290 db = db_open(mem_ctx, tdbfile, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0644);
292 DEBUG(0, ("Unable to open idmap database\n"));
293 ret = NT_STATUS_UNSUCCESSFUL;
297 /* check against earlier versions */
298 version = dbwrap_fetch_int32(db, "IDMAP_VERSION");
299 if (version != IDMAP_VERSION) {
301 DEBUG(0,("Upgrade of IDMAP_VERSION from %d to %d is not "
302 "possible with incomplete configuration\n",
303 version, IDMAP_VERSION));
304 ret = NT_STATUS_UNSUCCESSFUL;
307 if (db->transaction_start(db) != 0) {
308 DEBUG(0, ("Unable to start upgrade transaction!\n"));
309 ret = NT_STATUS_INTERNAL_DB_ERROR;
313 if (!idmap_tdb_upgrade(dom, db)) {
314 db->transaction_cancel(db);
315 DEBUG(0, ("Unable to open idmap database, it's in an old format, and upgrade failed!\n"));
316 ret = NT_STATUS_INTERNAL_DB_ERROR;
320 if (db->transaction_commit(db) != 0) {
321 DEBUG(0, ("Unable to commit upgrade transaction!\n"));
322 ret = NT_STATUS_INTERNAL_DB_ERROR;
327 ctx->db = talloc_move(ctx, &db);
329 ret = idmap_tdb_init_hwm(dom);
332 talloc_free(mem_ctx);
336 /**********************************************************************
337 IDMAP ALLOC TDB BACKEND
338 **********************************************************************/
340 /**********************************
342 **********************************/
344 struct idmap_tdb_allocate_id_context {
351 static NTSTATUS idmap_tdb_allocate_id_action(struct db_context *db,
355 struct idmap_tdb_allocate_id_context *state;
358 state = (struct idmap_tdb_allocate_id_context *)private_data;
360 hwm = dbwrap_fetch_int32(db, state->hwmkey);
362 ret = NT_STATUS_INTERNAL_DB_ERROR;
366 /* check it is in the range */
367 if (hwm > state->high_hwm) {
368 DEBUG(1, ("Fatal Error: %s range full!! (max: %lu)\n",
369 state->hwmtype, (unsigned long)state->high_hwm));
370 ret = NT_STATUS_UNSUCCESSFUL;
374 /* fetch a new id and increment it */
375 ret = dbwrap_trans_change_uint32_atomic(db, state->hwmkey, &hwm, 1);
376 if (!NT_STATUS_IS_OK(ret)) {
377 DEBUG(0, ("Fatal error while fetching a new %s value: %s\n!",
378 state->hwmtype, nt_errstr(ret)));
382 /* recheck it is in the range */
383 if (hwm > state->high_hwm) {
384 DEBUG(1, ("Fatal Error: %s range full!! (max: %lu)\n",
385 state->hwmtype, (unsigned long)state->high_hwm));
386 ret = NT_STATUS_UNSUCCESSFUL;
397 static NTSTATUS idmap_tdb_allocate_id(struct idmap_domain *dom,
405 struct idmap_tdb_allocate_id_context state;
406 struct idmap_tdb_context *ctx;
408 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
410 /* Get current high water mark */
424 DEBUG(2, ("Invalid ID type (0x%x)\n", xid->type));
425 return NT_STATUS_INVALID_PARAMETER;
428 high_hwm = dom->high_id;
431 state.high_hwm = high_hwm;
432 state.hwmtype = hwmtype;
433 state.hwmkey = hwmkey;
435 status = dbwrap_trans_do(ctx->db, idmap_tdb_allocate_id_action,
438 if (NT_STATUS_IS_OK(status)) {
440 DEBUG(10,("New %s = %d\n", hwmtype, state.hwm));
442 DEBUG(1, ("Error allocating a new %s\n", hwmtype));
449 * Allocate a new unix-ID.
450 * For now this is for the default idmap domain only.
451 * Should be extended later on.
453 static NTSTATUS idmap_tdb_get_new_id(struct idmap_domain *dom,
458 if (!strequal(dom->name, "*")) {
459 DEBUG(3, ("idmap_tdb_get_new_id: "
460 "Refusing allocation of a new unixid for domain'%s'. "
461 "Currently only supported for the default "
464 return NT_STATUS_NOT_IMPLEMENTED;
467 ret = idmap_tdb_allocate_id(dom, id);
472 /**********************************************************************
473 IDMAP MAPPING TDB BACKEND
474 **********************************************************************/
476 /*****************************
477 Initialise idmap database.
478 *****************************/
480 static NTSTATUS idmap_tdb_db_init(struct idmap_domain *dom, const char *params)
483 struct idmap_tdb_context *ctx;
485 DEBUG(10, ("idmap_tdb_db_init called for domain '%s'\n", dom->name));
487 ctx = talloc(dom, struct idmap_tdb_context);
489 DEBUG(0, ("Out of memory!\n"));
490 return NT_STATUS_NO_MEMORY;
493 /* load backend specific configuration here: */
495 if (strequal(dom->name, "*")) {
500 dom->private_data = ctx;
502 ret = idmap_tdb_open_db(dom);
503 if ( ! NT_STATUS_IS_OK(ret)) {
516 * store a mapping in the database
519 struct idmap_tdb_set_mapping_context {
524 static NTSTATUS idmap_tdb_set_mapping_action(struct db_context *db,
528 struct idmap_tdb_set_mapping_context *state;
530 state = (struct idmap_tdb_set_mapping_context *)private_data;
532 DEBUG(10, ("Storing %s <-> %s map\n", state->ksidstr, state->kidstr));
534 ret = dbwrap_store_bystring(db, state->ksidstr,
535 string_term_tdb_data(state->kidstr),
537 if (!NT_STATUS_IS_OK(ret)) {
538 DEBUG(0, ("Error storing SID -> ID (%s -> %s): %s\n",
539 state->ksidstr, state->kidstr, nt_errstr(ret)));
543 ret = dbwrap_store_bystring(db, state->kidstr,
544 string_term_tdb_data(state->ksidstr),
546 if (!NT_STATUS_IS_OK(ret)) {
547 DEBUG(0, ("Error storing ID -> SID (%s -> %s): %s\n",
548 state->kidstr, state->ksidstr, nt_errstr(ret)));
552 DEBUG(10,("Stored %s <-> %s\n", state->ksidstr, state->kidstr));
559 static NTSTATUS idmap_tdb_set_mapping(struct idmap_domain *dom,
560 const struct id_map *map)
562 struct idmap_tdb_context *ctx;
564 char *ksidstr, *kidstr;
565 struct idmap_tdb_set_mapping_context state;
567 if (!map || !map->sid) {
568 return NT_STATUS_INVALID_PARAMETER;
571 ksidstr = kidstr = NULL;
573 /* TODO: should we filter a set_mapping using low/high filters ? */
575 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
577 switch (map->xid.type) {
580 kidstr = talloc_asprintf(ctx, "UID %lu",
581 (unsigned long)map->xid.id);
585 kidstr = talloc_asprintf(ctx, "GID %lu",
586 (unsigned long)map->xid.id);
590 DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
591 return NT_STATUS_INVALID_PARAMETER;
594 if (kidstr == NULL) {
595 DEBUG(0, ("ERROR: Out of memory!\n"));
596 ret = NT_STATUS_NO_MEMORY;
600 ksidstr = sid_string_talloc(ctx, map->sid);
601 if (ksidstr == NULL) {
602 DEBUG(0, ("Out of memory!\n"));
603 ret = NT_STATUS_NO_MEMORY;
607 state.ksidstr = ksidstr;
608 state.kidstr = kidstr;
610 ret = dbwrap_trans_do(ctx->db, idmap_tdb_set_mapping_action, &state);
613 talloc_free(ksidstr);
619 * Create a new mapping for an unmapped SID, also allocating a new ID.
620 * This should be run inside a transaction.
623 * Properly integrate this with multi domain idmap config:
624 * Currently, the allocator is default-config only.
626 static NTSTATUS idmap_tdb_new_mapping(struct idmap_domain *dom, struct id_map *map)
631 ret = NT_STATUS_INVALID_PARAMETER;
635 if ((map->xid.type != ID_TYPE_UID) && (map->xid.type != ID_TYPE_GID)) {
636 ret = NT_STATUS_INVALID_PARAMETER;
640 if (map->sid == NULL) {
641 ret = NT_STATUS_INVALID_PARAMETER;
645 ret = idmap_tdb_get_new_id(dom, &map->xid);
646 if (!NT_STATUS_IS_OK(ret)) {
647 DEBUG(3, ("Could not allocate id: %s\n", nt_errstr(ret)));
651 DEBUG(10, ("Setting mapping: %s <-> %s %lu\n",
652 sid_string_dbg(map->sid),
653 (map->xid.type == ID_TYPE_UID) ? "UID" : "GID",
654 (unsigned long)map->xid.id));
656 map->status = ID_MAPPED;
658 /* store the mapping */
659 ret = idmap_tdb_set_mapping(dom, map);
660 if (!NT_STATUS_IS_OK(ret)) {
661 DEBUG(3, ("Could not store the new mapping: %s\n",
670 /**********************************
671 Single id to sid lookup function.
672 **********************************/
674 static NTSTATUS idmap_tdb_id_to_sid(struct idmap_domain *dom, struct id_map *map)
679 struct idmap_tdb_context *ctx;
682 return NT_STATUS_INVALID_PARAMETER;
685 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
687 /* apply filters before checking */
688 if (!idmap_unix_id_is_in_range(map->xid.id, dom)) {
689 DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
690 map->xid.id, dom->low_id, dom->high_id));
691 return NT_STATUS_NONE_MAPPED;
694 switch (map->xid.type) {
697 keystr = talloc_asprintf(ctx, "UID %lu", (unsigned long)map->xid.id);
701 keystr = talloc_asprintf(ctx, "GID %lu", (unsigned long)map->xid.id);
705 DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
706 return NT_STATUS_INVALID_PARAMETER;
709 /* final SAFE_FREE safe */
712 if (keystr == NULL) {
713 DEBUG(0, ("Out of memory!\n"));
714 ret = NT_STATUS_NO_MEMORY;
718 DEBUG(10,("Fetching record %s\n", keystr));
720 /* Check if the mapping exists */
721 data = dbwrap_fetch_bystring(ctx->db, NULL, keystr);
724 DEBUG(10,("Record %s not found\n", keystr));
725 ret = NT_STATUS_NONE_MAPPED;
729 if (!string_to_sid(map->sid, (const char *)data.dptr)) {
730 DEBUG(10,("INVALID SID (%s) in record %s\n",
731 (const char *)data.dptr, keystr));
732 ret = NT_STATUS_INTERNAL_DB_ERROR;
736 DEBUG(10,("Found record %s -> %s\n", keystr, (const char *)data.dptr));
740 talloc_free(data.dptr);
745 /**********************************
746 Single sid to id lookup function.
747 **********************************/
749 static NTSTATUS idmap_tdb_sid_to_id(struct idmap_domain *dom, struct id_map *map)
754 unsigned long rec_id = 0;
755 struct idmap_tdb_context *ctx;
756 TALLOC_CTX *tmp_ctx = talloc_stackframe();
758 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
760 keystr = sid_string_talloc(tmp_ctx, map->sid);
761 if (keystr == NULL) {
762 DEBUG(0, ("Out of memory!\n"));
763 ret = NT_STATUS_NO_MEMORY;
767 DEBUG(10,("Fetching record %s\n", keystr));
769 /* Check if sid is present in database */
770 data = dbwrap_fetch_bystring(ctx->db, tmp_ctx, keystr);
772 DEBUG(10,("Record %s not found\n", keystr));
773 ret = NT_STATUS_NONE_MAPPED;
777 /* What type of record is this ? */
778 if (sscanf((const char *)data.dptr, "UID %lu", &rec_id) == 1) { /* Try a UID record. */
779 map->xid.id = rec_id;
780 map->xid.type = ID_TYPE_UID;
781 DEBUG(10,("Found uid record %s -> %s \n", keystr, (const char *)data.dptr ));
784 } else if (sscanf((const char *)data.dptr, "GID %lu", &rec_id) == 1) { /* Try a GID record. */
785 map->xid.id = rec_id;
786 map->xid.type = ID_TYPE_GID;
787 DEBUG(10,("Found gid record %s -> %s \n", keystr, (const char *)data.dptr ));
790 } else { /* Unknown record type ! */
791 DEBUG(2, ("Found INVALID record %s -> %s\n", keystr, (const char *)data.dptr));
792 ret = NT_STATUS_INTERNAL_DB_ERROR;
796 /* apply filters before returning result */
797 if (!idmap_unix_id_is_in_range(map->xid.id, dom)) {
798 DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
799 map->xid.id, dom->low_id, dom->high_id));
800 ret = NT_STATUS_NONE_MAPPED;
804 talloc_free(tmp_ctx);
808 /**********************************
809 lookup a set of unix ids.
810 **********************************/
812 static NTSTATUS idmap_tdb_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
814 struct idmap_tdb_context *ctx;
818 /* initialize the status to avoid suprise */
819 for (i = 0; ids[i]; i++) {
820 ids[i]->status = ID_UNKNOWN;
823 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
825 for (i = 0; ids[i]; i++) {
826 ret = idmap_tdb_id_to_sid(dom, ids[i]);
827 if ( ! NT_STATUS_IS_OK(ret)) {
829 /* if it is just a failed mapping continue */
830 if (NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
832 /* make sure it is marked as unmapped */
833 ids[i]->status = ID_UNMAPPED;
837 /* some fatal error occurred, return immediately */
841 /* all ok, id is mapped */
842 ids[i]->status = ID_MAPPED;
851 /**********************************
852 lookup a set of sids.
853 **********************************/
855 struct idmap_tdb_sids_to_unixids_context {
856 struct idmap_domain *dom;
858 bool allocate_unmapped;
861 static NTSTATUS idmap_tdb_sids_to_unixids_action(struct db_context *db,
864 struct idmap_tdb_sids_to_unixids_context *state;
868 state = (struct idmap_tdb_sids_to_unixids_context *)private_data;
870 DEBUG(10, ("idmap_tdb_sids_to_unixids_action: "
871 " domain: [%s], allocate: %s\n",
873 state->allocate_unmapped ? "yes" : "no"));
875 for (i = 0; state->ids[i]; i++) {
876 if ((state->ids[i]->status == ID_UNKNOWN) ||
877 /* retry if we could not map in previous run: */
878 (state->ids[i]->status == ID_UNMAPPED))
882 ret2 = idmap_tdb_sid_to_id(state->dom, state->ids[i]);
883 if (!NT_STATUS_IS_OK(ret2)) {
885 /* if it is just a failed mapping, continue */
886 if (NT_STATUS_EQUAL(ret2, NT_STATUS_NONE_MAPPED)) {
888 /* make sure it is marked as unmapped */
889 state->ids[i]->status = ID_UNMAPPED;
890 ret = STATUS_SOME_UNMAPPED;
892 /* some fatal error occurred, return immediately */
897 /* all ok, id is mapped */
898 state->ids[i]->status = ID_MAPPED;
902 if ((state->ids[i]->status == ID_UNMAPPED) &&
903 state->allocate_unmapped)
905 ret = idmap_tdb_new_mapping(state->dom, state->ids[i]);
906 if (!NT_STATUS_IS_OK(ret)) {
916 static NTSTATUS idmap_tdb_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
918 struct idmap_tdb_context *ctx;
921 struct idmap_tdb_sids_to_unixids_context state;
923 /* initialize the status to avoid suprise */
924 for (i = 0; ids[i]; i++) {
925 ids[i]->status = ID_UNKNOWN;
928 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
932 state.allocate_unmapped = false;
934 ret = idmap_tdb_sids_to_unixids_action(ctx->db, &state);
936 if (NT_STATUS_EQUAL(ret, STATUS_SOME_UNMAPPED) && !dom->read_only) {
937 state.allocate_unmapped = true;
938 ret = dbwrap_trans_do(ctx->db,
939 idmap_tdb_sids_to_unixids_action,
947 /**********************************
948 Close the idmap tdb instance
949 **********************************/
951 static NTSTATUS idmap_tdb_close(struct idmap_domain *dom)
953 struct idmap_tdb_context *ctx;
955 if (dom->private_data) {
956 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
958 TALLOC_FREE(ctx->db);
963 static struct idmap_methods db_methods = {
964 .init = idmap_tdb_db_init,
965 .unixids_to_sids = idmap_tdb_unixids_to_sids,
966 .sids_to_unixids = idmap_tdb_sids_to_unixids,
967 .allocate_id = idmap_tdb_get_new_id,
968 .close_fn = idmap_tdb_close
971 NTSTATUS idmap_tdb_init(void)
973 DEBUG(10, ("calling idmap_tdb_init\n"));
975 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "tdb", &db_methods);