2 Unix SMB/CIFS implementation.
4 idmap TDB2 backend, used for clustered Samba setups.
6 This uses dbwrap to access tdb files. The location can be set
7 using tdb:idmap2.tdb =" in smb.conf
9 Copyright (C) Andrew Tridgell 2007
11 This is heavily based upon idmap_tdb.c, which is:
13 Copyright (C) Tim Potter 2000
14 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
15 Copyright (C) Jeremy Allison 2006
16 Copyright (C) Simo Sorce 2003-2006
18 This program is free software; you can redistribute it and/or modify
19 it under the terms of the GNU General Public License as published by
20 the Free Software Foundation; either version 2 of the License, or
21 (at your option) any later version.
23 This program is distributed in the hope that it will be useful,
24 but WITHOUT ANY WARRANTY; without even the implied warranty of
25 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 GNU General Public License for more details.
28 You should have received a copy of the GNU General Public License
29 along with this program; if not, write to the Free Software
30 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
37 #define DBGC_CLASS DBGC_IDMAP
39 struct idmap_tdb2_context {
40 uint32_t filter_low_id;
41 uint32_t filter_high_id;
42 const char *script; /* script to provide idmaps */
45 /* High water mark keys */
46 #define HWM_GROUP "GROUP HWM"
47 #define HWM_USER "USER HWM"
49 static struct idmap_tdb2_state {
50 /* User and group id pool */
51 uid_t low_uid, high_uid; /* Range of uids to allocate */
52 gid_t low_gid, high_gid; /* Range of gids to allocate */
56 static NTSTATUS idmap_tdb2_new_mapping(struct idmap_domain *dom,
59 /* handle to the permanent tdb */
60 static struct db_context *idmap_tdb2;
62 static NTSTATUS idmap_tdb2_alloc_load(void);
64 static NTSTATUS idmap_tdb2_load_ranges(void)
71 if (!lp_idmap_uid(&low_uid, &high_uid)) {
72 DEBUG(1, ("idmap uid missing\n"));
73 return NT_STATUS_UNSUCCESSFUL;
76 if (!lp_idmap_gid(&low_gid, &high_gid)) {
77 DEBUG(1, ("idmap gid missing\n"));
78 return NT_STATUS_UNSUCCESSFUL;
81 idmap_tdb2_state.low_uid = low_uid;
82 idmap_tdb2_state.high_uid = high_uid;
83 idmap_tdb2_state.low_gid = low_gid;
84 idmap_tdb2_state.high_gid = high_gid;
86 if (idmap_tdb2_state.high_uid <= idmap_tdb2_state.low_uid) {
87 DEBUG(1, ("idmap uid range missing or invalid\n"));
88 DEBUGADD(1, ("idmap will be unable to map foreign SIDs\n"));
89 return NT_STATUS_UNSUCCESSFUL;
92 if (idmap_tdb2_state.high_gid <= idmap_tdb2_state.low_gid) {
93 DEBUG(1, ("idmap gid range missing or invalid\n"));
94 DEBUGADD(1, ("idmap will be unable to map foreign SIDs\n"));
95 return NT_STATUS_UNSUCCESSFUL;
102 open the permanent tdb
104 static NTSTATUS idmap_tdb2_open_db(void)
109 /* its already open */
113 db_path = lp_parm_talloc_string(-1, "tdb", "idmap2.tdb", NULL);
114 if (db_path == NULL) {
115 /* fall back to the private directory, which, despite
116 its name, is usually on shared storage */
117 db_path = talloc_asprintf(NULL, "%s/idmap2.tdb", lp_private_dir());
119 NT_STATUS_HAVE_NO_MEMORY(db_path);
121 /* Open idmap repository */
122 idmap_tdb2 = db_open(NULL, db_path, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0644);
123 TALLOC_FREE(db_path);
125 if (idmap_tdb2 == NULL) {
126 DEBUG(0, ("Unable to open idmap_tdb2 database '%s'\n",
128 return NT_STATUS_UNSUCCESSFUL;
131 /* load the ranges and high/low water marks */
132 return idmap_tdb2_alloc_load();
137 load the idmap allocation ranges and high/low water marks
139 static NTSTATUS idmap_tdb2_alloc_load(void)
146 status = idmap_tdb2_load_ranges();
147 if (!NT_STATUS_IS_OK(status)) {
151 /* Create high water marks for group and user id */
153 low_id = dbwrap_fetch_int32(idmap_tdb2, HWM_USER);
154 if ((low_id == -1) || (low_id < idmap_tdb2_state.low_uid)) {
155 if (!NT_STATUS_IS_OK(dbwrap_trans_store_int32(
156 idmap_tdb2, HWM_USER,
157 idmap_tdb2_state.low_uid))) {
158 DEBUG(0, ("Unable to initialise user hwm in idmap "
160 return NT_STATUS_INTERNAL_DB_ERROR;
164 low_id = dbwrap_fetch_int32(idmap_tdb2, HWM_GROUP);
165 if ((low_id == -1) || (low_id < idmap_tdb2_state.low_gid)) {
166 if (!NT_STATUS_IS_OK(dbwrap_trans_store_int32(
167 idmap_tdb2, HWM_GROUP,
168 idmap_tdb2_state.low_gid))) {
169 DEBUG(0, ("Unable to initialise group hwm in idmap "
171 return NT_STATUS_INTERNAL_DB_ERROR;
183 struct idmap_tdb2_allocate_id_context {
190 static NTSTATUS idmap_tdb2_allocate_id_action(struct db_context *db,
194 struct idmap_tdb2_allocate_id_context *state;
197 state = (struct idmap_tdb2_allocate_id_context *)private_data;
199 hwm = dbwrap_fetch_int32(db, state->hwmkey);
201 ret = NT_STATUS_INTERNAL_DB_ERROR;
205 /* check it is in the range */
206 if (hwm > state->high_hwm) {
207 DEBUG(1, ("Fatal Error: %s range full!! (max: %lu)\n",
208 state->hwmtype, (unsigned long)state->high_hwm));
209 ret = NT_STATUS_UNSUCCESSFUL;
213 /* fetch a new id and increment it */
214 ret = dbwrap_trans_change_uint32_atomic(db, state->hwmkey, &hwm, 1);
215 if (!NT_STATUS_IS_OK(ret)) {
216 DEBUG(1, ("Fatal error while fetching a new %s value\n!",
221 /* recheck it is in the range */
222 if (hwm > state->high_hwm) {
223 DEBUG(1, ("Fatal Error: %s range full!! (max: %lu)\n",
224 state->hwmtype, (unsigned long)state->high_hwm));
225 ret = NT_STATUS_UNSUCCESSFUL;
236 static NTSTATUS idmap_tdb2_allocate_id(struct idmap_domain *dom,
244 struct idmap_tdb2_allocate_id_context state;
246 status = idmap_tdb2_open_db();
247 NT_STATUS_NOT_OK_RETURN(status);
249 /* Get current high water mark */
263 DEBUG(2, ("Invalid ID type (0x%x)\n", xid->type));
264 return NT_STATUS_INVALID_PARAMETER;
267 high_hwm = dom->high_id;
270 state.high_hwm = high_hwm;
271 state.hwmtype = hwmtype;
272 state.hwmkey = hwmkey;
274 status = dbwrap_trans_do(idmap_tdb2, idmap_tdb2_allocate_id_action,
277 if (NT_STATUS_IS_OK(status)) {
279 DEBUG(10,("New %s = %d\n", hwmtype, state.hwm));
281 DEBUG(1, ("Error allocating a new %s\n", hwmtype));
288 * Allocate a new unix-ID.
289 * For now this is for the default idmap domain only.
290 * Should be extended later on.
292 static NTSTATUS idmap_tdb2_get_new_id(struct idmap_domain *dom,
297 if (!strequal(dom->name, "*")) {
298 DEBUG(3, ("idmap_tdb2_get_new_id: "
299 "Refusing creation of mapping for domain'%s'. "
300 "Currently only supported for the default "
303 return NT_STATUS_NOT_IMPLEMENTED;
306 ret = idmap_tdb2_allocate_id(dom, id);
312 IDMAP MAPPING TDB BACKEND
316 Initialise idmap database.
318 static NTSTATUS idmap_tdb2_db_init(struct idmap_domain *dom,
322 struct idmap_tdb2_context *ctx;
325 ctx = talloc(dom, struct idmap_tdb2_context);
327 DEBUG(0, ("Out of memory!\n"));
328 return NT_STATUS_NO_MEMORY;
331 if (strequal(dom->name, "*")) {
337 ctx->filter_low_id = 0;
338 ctx->filter_high_id = 0;
340 if (lp_idmap_uid(&low_uid, &high_uid)) {
341 ctx->filter_low_id = low_uid;
342 ctx->filter_high_id = high_uid;
344 DEBUG(3, ("Warning: 'idmap uid' not set!\n"));
347 if (lp_idmap_gid(&low_gid, &high_gid)) {
348 if ((low_gid != low_uid) || (high_gid != high_uid)) {
349 DEBUG(1, ("Warning: 'idmap uid' and 'idmap gid'"
350 " ranges do not agree -- building "
352 ctx->filter_low_id = MAX(ctx->filter_low_id,
354 ctx->filter_high_id = MIN(ctx->filter_high_id,
358 DEBUG(3, ("Warning: 'idmap gid' not set!\n"));
361 ctx->script = lp_parm_const_string(-1, "idmap", "script", NULL);
363 DEBUG(1, ("using idmap script '%s'\n", ctx->script));
366 char *config_option = NULL;
368 config_option = talloc_asprintf(ctx, "idmap config %s", dom->name);
369 if ( ! config_option) {
370 DEBUG(0, ("Out of memory!\n"));
371 ret = NT_STATUS_NO_MEMORY;
375 range = lp_parm_const_string(-1, config_option, "range", NULL);
377 (sscanf(range, "%u - %u", &ctx->filter_low_id, &ctx->filter_high_id) != 2))
379 ctx->filter_low_id = 0;
380 ctx->filter_high_id = 0;
383 ctx->script = lp_parm_const_string(-1, config_option, "script", NULL);
385 DEBUG(1, ("using idmap script '%s'\n", ctx->script));
388 talloc_free(config_option);
391 if (ctx->filter_low_id > ctx->filter_high_id) {
392 ctx->filter_low_id = 0;
393 ctx->filter_high_id = 0;
396 ret = idmap_tdb2_open_db();
397 if (!NT_STATUS_IS_OK(ret)) {
401 dom->private_data = ctx;
410 struct idmap_tdb2_set_mapping_context {
415 static NTSTATUS idmap_tdb2_set_mapping_action(struct db_context *db,
420 struct idmap_tdb2_set_mapping_context *state;
421 TALLOC_CTX *tmp_ctx = talloc_stackframe();
423 state = (struct idmap_tdb2_set_mapping_context *)private_data;
425 DEBUG(10, ("Storing %s <-> %s map\n", state->ksidstr, state->kidstr));
427 /* check wheter sid mapping is already present in db */
428 data = dbwrap_fetch_bystring(db, tmp_ctx, state->ksidstr);
430 ret = NT_STATUS_OBJECT_NAME_COLLISION;
434 ret = dbwrap_store_bystring(db, state->ksidstr,
435 string_term_tdb_data(state->kidstr),
437 if (!NT_STATUS_IS_OK(ret)) {
438 DEBUG(0, ("Error storing SID -> ID: %s\n", nt_errstr(ret)));
442 ret = dbwrap_store_bystring(db, state->kidstr,
443 string_term_tdb_data(state->ksidstr),
445 if (!NT_STATUS_IS_OK(ret)) {
446 DEBUG(0, ("Error storing ID -> SID: %s\n", nt_errstr(ret)));
447 /* try to remove the previous stored SID -> ID map */
448 dbwrap_delete_bystring(db, state->ksidstr);
452 DEBUG(10,("Stored %s <-> %s\n", state->ksidstr, state->kidstr));
455 talloc_free(tmp_ctx);
461 run a script to perform a mapping
463 The script should the following command lines:
469 and should return one of the following as a single line of text
475 static NTSTATUS idmap_tdb2_script(struct idmap_tdb2_context *ctx, struct id_map *map,
476 const char *fmt, ...)
484 cmd = talloc_asprintf(ctx, "%s ", ctx->script);
485 NT_STATUS_HAVE_NO_MEMORY(cmd);
488 cmd = talloc_vasprintf_append(cmd, fmt, ap);
490 NT_STATUS_HAVE_NO_MEMORY(cmd);
495 return NT_STATUS_NONE_MAPPED;
498 if (fgets(line, sizeof(line)-1, p) == NULL) {
500 return NT_STATUS_NONE_MAPPED;
504 DEBUG(10,("idmap script gave: %s\n", line));
506 if (sscanf(line, "UID:%lu", &v) == 1) {
508 map->xid.type = ID_TYPE_UID;
509 } else if (sscanf(line, "GID:%lu", &v) == 1) {
511 map->xid.type = ID_TYPE_GID;
512 } else if (strncmp(line, "SID:S-", 6) == 0) {
513 if (!string_to_sid(map->sid, &line[4])) {
514 DEBUG(0,("Bad SID in '%s' from idmap script %s\n",
516 return NT_STATUS_NONE_MAPPED;
519 DEBUG(0,("Bad reply '%s' from idmap script %s\n",
521 return NT_STATUS_NONE_MAPPED;
530 Single id to sid lookup function.
532 static NTSTATUS idmap_tdb2_id_to_sid(struct idmap_domain *dom, struct id_map *map)
538 struct idmap_tdb2_context *ctx;
541 status = idmap_tdb2_open_db();
542 NT_STATUS_NOT_OK_RETURN(status);
545 return NT_STATUS_INVALID_PARAMETER;
548 ctx = talloc_get_type(dom->private_data, struct idmap_tdb2_context);
550 /* apply filters before checking */
551 if (!idmap_unix_id_is_in_range(map->xid.id, dom)) {
552 DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
553 map->xid.id, dom->low_id, dom->high_id));
554 return NT_STATUS_NONE_MAPPED;
557 switch (map->xid.type) {
560 keystr = talloc_asprintf(ctx, "UID %lu", (unsigned long)map->xid.id);
564 keystr = talloc_asprintf(ctx, "GID %lu", (unsigned long)map->xid.id);
568 DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
569 return NT_STATUS_INVALID_PARAMETER;
572 /* final SAFE_FREE safe */
575 if (keystr == NULL) {
576 DEBUG(0, ("Out of memory!\n"));
577 ret = NT_STATUS_NO_MEMORY;
581 DEBUG(10,("Fetching record %s\n", keystr));
583 /* Check if the mapping exists */
584 data = dbwrap_fetch_bystring(idmap_tdb2, keystr, keystr);
588 struct idmap_tdb2_set_mapping_context store_state;
590 DEBUG(10,("Record %s not found\n", keystr));
591 if (ctx->script == NULL) {
592 ret = NT_STATUS_NONE_MAPPED;
596 ret = idmap_tdb2_script(ctx, map, "IDTOSID %s", keystr);
598 /* store it on shared storage */
599 if (!NT_STATUS_IS_OK(ret)) {
603 sidstr = sid_string_talloc(keystr, map->sid);
605 ret = NT_STATUS_NO_MEMORY;
609 store_state.ksidstr = sidstr;
610 store_state.kidstr = keystr;
612 ret = dbwrap_trans_do(idmap_tdb2, idmap_tdb2_set_mapping_action,
617 if (!string_to_sid(map->sid, (const char *)data.dptr)) {
618 DEBUG(10,("INVALID SID (%s) in record %s\n",
619 (const char *)data.dptr, keystr));
620 ret = NT_STATUS_INTERNAL_DB_ERROR;
624 DEBUG(10,("Found record %s -> %s\n", keystr, (const char *)data.dptr));
634 Single sid to id lookup function.
636 static NTSTATUS idmap_tdb2_sid_to_id(struct idmap_domain *dom, struct id_map *map)
641 unsigned long rec_id = 0;
642 struct idmap_tdb2_context *ctx;
643 TALLOC_CTX *tmp_ctx = talloc_stackframe();
645 ret = idmap_tdb2_open_db();
646 NT_STATUS_NOT_OK_RETURN(ret);
648 ctx = talloc_get_type(dom->private_data, struct idmap_tdb2_context);
650 keystr = sid_string_talloc(tmp_ctx, map->sid);
651 if (keystr == NULL) {
652 DEBUG(0, ("Out of memory!\n"));
653 ret = NT_STATUS_NO_MEMORY;
657 DEBUG(10,("Fetching record %s\n", keystr));
659 /* Check if sid is present in database */
660 data = dbwrap_fetch_bystring(idmap_tdb2, tmp_ctx, keystr);
663 struct idmap_tdb2_set_mapping_context store_state;
665 DEBUG(10,(__location__ " Record %s not found\n", keystr));
667 if (ctx->script == NULL) {
668 ret = NT_STATUS_NONE_MAPPED;
672 ret = idmap_tdb2_script(ctx, map, "SIDTOID %s", keystr);
673 /* store it on shared storage */
674 if (!NT_STATUS_IS_OK(ret)) {
678 /* apply filters before returning result */
679 if (!idmap_unix_id_is_in_range(map->xid.id, dom)) {
680 DEBUG(5, ("Script returned id (%u) out of range "
681 "(%u - %u). Filtered!\n",
682 map->xid.id, dom->low_id, dom->high_id));
683 ret = NT_STATUS_NONE_MAPPED;
687 idstr = talloc_asprintf(tmp_ctx, "%cID %lu",
688 map->xid.type == ID_TYPE_UID?'U':'G',
689 (unsigned long)map->xid.id);
691 ret = NT_STATUS_NO_MEMORY;
695 store_state.ksidstr = keystr;
696 store_state.kidstr = idstr;
698 ret = dbwrap_trans_do(idmap_tdb2, idmap_tdb2_set_mapping_action,
703 /* What type of record is this ? */
704 if (sscanf((const char *)data.dptr, "UID %lu", &rec_id) == 1) { /* Try a UID record. */
705 map->xid.id = rec_id;
706 map->xid.type = ID_TYPE_UID;
707 DEBUG(10,("Found uid record %s -> %s \n", keystr, (const char *)data.dptr ));
710 } else if (sscanf((const char *)data.dptr, "GID %lu", &rec_id) == 1) { /* Try a GID record. */
711 map->xid.id = rec_id;
712 map->xid.type = ID_TYPE_GID;
713 DEBUG(10,("Found gid record %s -> %s \n", keystr, (const char *)data.dptr ));
716 } else { /* Unknown record type ! */
717 DEBUG(2, ("Found INVALID record %s -> %s\n", keystr, (const char *)data.dptr));
718 ret = NT_STATUS_INTERNAL_DB_ERROR;
722 /* apply filters before returning result */
723 if (!idmap_unix_id_is_in_range(map->xid.id, dom)) {
724 DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
725 map->xid.id, dom->low_id, dom->high_id));
726 ret = NT_STATUS_NONE_MAPPED;
730 talloc_free(tmp_ctx);
735 lookup a set of unix ids.
737 static NTSTATUS idmap_tdb2_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
742 /* initialize the status to avoid suprise */
743 for (i = 0; ids[i]; i++) {
744 ids[i]->status = ID_UNKNOWN;
747 for (i = 0; ids[i]; i++) {
748 ret = idmap_tdb2_id_to_sid(dom, ids[i]);
749 if ( ! NT_STATUS_IS_OK(ret)) {
751 /* if it is just a failed mapping continue */
752 if (NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
754 /* make sure it is marked as unmapped */
755 ids[i]->status = ID_UNMAPPED;
759 /* some fatal error occurred, return immediately */
763 /* all ok, id is mapped */
764 ids[i]->status = ID_MAPPED;
774 lookup a set of sids.
777 struct idmap_tdb2_sids_to_unixids_context {
778 struct idmap_domain *dom;
780 bool allocate_unmapped;
783 static NTSTATUS idmap_tdb2_sids_to_unixids_action(struct db_context *db,
786 struct idmap_tdb2_sids_to_unixids_context *state;
788 NTSTATUS ret = NT_STATUS_OK;
790 state = (struct idmap_tdb2_sids_to_unixids_context *)private_data;
792 DEBUG(10, ("idmap_tdb2_sids_to_unixids_action: "
793 " domain: [%s], allocate: %s\n",
795 state->allocate_unmapped ? "yes" : "no"));
797 for (i = 0; state->ids[i]; i++) {
798 if ((state->ids[i]->status == ID_UNKNOWN) ||
799 /* retry if we could not map in previous run: */
800 (state->ids[i]->status == ID_UNMAPPED))
804 ret2 = idmap_tdb2_sid_to_id(state->dom, state->ids[i]);
805 if (!NT_STATUS_IS_OK(ret2)) {
807 /* if it is just a failed mapping, continue */
808 if (NT_STATUS_EQUAL(ret2, NT_STATUS_NONE_MAPPED)) {
810 /* make sure it is marked as unmapped */
811 state->ids[i]->status = ID_UNMAPPED;
812 ret = STATUS_SOME_UNMAPPED;
814 /* some fatal error occurred, return immediately */
819 /* all ok, id is mapped */
820 state->ids[i]->status = ID_MAPPED;
824 if ((state->ids[i]->status == ID_UNMAPPED) &&
825 state->allocate_unmapped)
827 ret = idmap_tdb2_new_mapping(state->dom, state->ids[i]);
828 if (!NT_STATUS_IS_OK(ret)) {
838 static NTSTATUS idmap_tdb2_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
842 struct idmap_tdb2_sids_to_unixids_context state;
844 /* initialize the status to avoid suprise */
845 for (i = 0; ids[i]; i++) {
846 ids[i]->status = ID_UNKNOWN;
851 state.allocate_unmapped = false;
853 ret = idmap_tdb2_sids_to_unixids_action(idmap_tdb2, &state);
855 if (NT_STATUS_EQUAL(ret, STATUS_SOME_UNMAPPED)) {
856 state.allocate_unmapped = true;
857 ret = dbwrap_trans_do(idmap_tdb2,
858 idmap_tdb2_sids_to_unixids_action,
870 static NTSTATUS idmap_tdb2_set_mapping(struct idmap_domain *dom, const struct id_map *map)
872 struct idmap_tdb2_context *ctx;
874 char *ksidstr, *kidstr;
875 struct idmap_tdb2_set_mapping_context state;
877 if (!map || !map->sid) {
878 return NT_STATUS_INVALID_PARAMETER;
881 ksidstr = kidstr = NULL;
883 /* TODO: should we filter a set_mapping using low/high filters ? */
885 ctx = talloc_get_type(dom->private_data, struct idmap_tdb2_context);
887 switch (map->xid.type) {
890 kidstr = talloc_asprintf(ctx, "UID %lu", (unsigned long)map->xid.id);
894 kidstr = talloc_asprintf(ctx, "GID %lu", (unsigned long)map->xid.id);
898 DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
899 return NT_STATUS_INVALID_PARAMETER;
902 if (kidstr == NULL) {
903 DEBUG(0, ("ERROR: Out of memory!\n"));
904 ret = NT_STATUS_NO_MEMORY;
908 ksidstr = sid_string_talloc(ctx, map->sid);
909 if (ksidstr == NULL) {
910 DEBUG(0, ("Out of memory!\n"));
911 ret = NT_STATUS_NO_MEMORY;
915 state.ksidstr = ksidstr;
916 state.kidstr = kidstr;
918 ret = dbwrap_trans_do(idmap_tdb2, idmap_tdb2_set_mapping_action,
922 talloc_free(ksidstr);
928 * Create a new mapping for an unmapped SID, also allocating a new ID.
929 * This should be run inside a transaction.
932 * Properly integrate this with multi domain idmap config:
933 * Currently, the allocator is default-config only.
935 static NTSTATUS idmap_tdb2_new_mapping(struct idmap_domain *dom, struct id_map *map)
940 TALLOC_CTX *mem_ctx = talloc_stackframe();
943 ret = NT_STATUS_INVALID_PARAMETER;
947 if ((map->xid.type != ID_TYPE_UID) && (map->xid.type != ID_TYPE_GID)) {
948 ret = NT_STATUS_INVALID_PARAMETER;
952 if (map->sid == NULL) {
953 ret = NT_STATUS_INVALID_PARAMETER;
957 /* check wheter the SID is already mapped in the db */
958 sidstr = sid_string_talloc(mem_ctx, map->sid);
959 if (sidstr == NULL) {
960 DEBUG(0, ("Out of memory!\n"));
961 ret = NT_STATUS_NO_MEMORY;
965 data = dbwrap_fetch_bystring(idmap_tdb2, mem_ctx, sidstr);
967 ret = NT_STATUS_OBJECT_NAME_COLLISION;
971 /* unmapped - get a new id */
972 ret = idmap_tdb2_get_new_id(dom, &map->xid);
973 if (!NT_STATUS_IS_OK(ret)) {
974 DEBUG(3, ("Could not allocate id: %s\n", nt_errstr(ret)));
978 DEBUG(10, ("Setting mapping: %s <-> %s %lu\n",
979 sid_string_dbg(map->sid),
980 (map->xid.type == ID_TYPE_UID) ? "UID" : "GID",
981 (unsigned long)map->xid.id));
983 map->status = ID_MAPPED;
985 /* store the mapping */
986 ret = idmap_tdb2_set_mapping(dom, map);
987 if (!NT_STATUS_IS_OK(ret)) {
988 DEBUG(3, ("Could not store the new mapping: %s\n",
993 talloc_free(mem_ctx);
998 Close the idmap tdb instance
1000 static NTSTATUS idmap_tdb2_close(struct idmap_domain *dom)
1002 /* don't do anything */
1003 return NT_STATUS_OK;
1006 static struct idmap_methods db_methods = {
1007 .init = idmap_tdb2_db_init,
1008 .unixids_to_sids = idmap_tdb2_unixids_to_sids,
1009 .sids_to_unixids = idmap_tdb2_sids_to_unixids,
1010 .allocate_id = idmap_tdb2_get_new_id,
1011 .close_fn = idmap_tdb2_close
1014 NTSTATUS idmap_tdb2_init(void)
1016 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "tdb2", &db_methods);