2 Unix SMB/CIFS implementation.
4 idmap TDB2 backend, used for clustered Samba setups.
6 This uses 2 tdb files. One is permanent, and is in shared storage
7 on the cluster (using "tdb:idmap2.tdb =" in smb.conf). The other is a
8 temporary cache tdb on local storage.
10 Copyright (C) Andrew Tridgell 2007
12 This is heavily based upon idmap_tdb.c, which is:
14 Copyright (C) Tim Potter 2000
15 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
16 Copyright (C) Jeremy Allison 2006
17 Copyright (C) Simo Sorce 2003-2006
19 This program is free software; you can redistribute it and/or modify
20 it under the terms of the GNU General Public License as published by
21 the Free Software Foundation; either version 2 of the License, or
22 (at your option) any later version.
24 This program is distributed in the hope that it will be useful,
25 but WITHOUT ANY WARRANTY; without even the implied warranty of
26 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 GNU General Public License for more details.
29 You should have received a copy of the GNU General Public License
30 along with this program; if not, write to the Free Software
31 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
38 #define DBGC_CLASS DBGC_IDMAP
40 /* High water mark keys */
41 #define HWM_GROUP "GROUP HWM"
42 #define HWM_USER "USER HWM"
44 static struct idmap_tdb2_state
{
45 /* User and group id pool */
46 uid_t low_uid
, high_uid
; /* Range of uids to allocate */
47 gid_t low_gid
, high_gid
; /* Range of gids to allocate */
48 const char *idmap_script
;
53 /* tdb context for the local cache tdb */
54 static TDB_CONTEXT
*idmap_tdb2_tmp
;
56 /* handle to the permanent tdb */
57 static struct db_context
*idmap_tdb2_perm
;
62 static NTSTATUS
idmap_tdb2_open_cache_db(void)
67 /* its already open */
71 db_path
= lock_path("idmap2_cache.tdb");
73 /* Open idmap repository */
74 if (!(idmap_tdb2_tmp
= tdb_open_log(db_path
, 0, TDB_CLEAR_IF_FIRST
, O_RDWR
|O_CREAT
, 0644))) {
75 DEBUG(0, ("Unable to open cache idmap database '%s'\n", db_path
));
76 return NT_STATUS_UNSUCCESSFUL
;
83 static NTSTATUS
idmap_tdb2_alloc_load(void);
86 open the permanent tdb
88 static NTSTATUS
idmap_tdb2_open_perm_db(void)
92 if (idmap_tdb2_perm
) {
93 /* its already open */
97 db_path
= lp_parm_talloc_string(-1, "tdb", "idmap2.tdb", NULL
);
98 if (db_path
== NULL
) {
99 /* fall back to the private directory, which, despite
100 its name, is usually on shared storage */
101 db_path
= talloc_asprintf(NULL
, "%s/idmap2.tdb", lp_private_dir());
103 NT_STATUS_HAVE_NO_MEMORY(db_path
);
105 /* Open idmap repository */
106 idmap_tdb2_perm
= db_open(NULL
, db_path
, 0, TDB_DEFAULT
,
107 O_RDWR
|O_CREAT
, 0644);
108 TALLOC_FREE(db_path
);
110 if (idmap_tdb2_perm
== NULL
) {
111 DEBUG(0, ("Unable to open permanent idmap database '%s'\n",
113 return NT_STATUS_UNSUCCESSFUL
;
116 /* load the ranges and high/low water marks */
117 return idmap_tdb2_alloc_load();
122 load the idmap allocation ranges and high/low water marks
124 static NTSTATUS
idmap_tdb2_alloc_load(void)
131 uint32 low_id
, high_id
;
133 /* see if a idmap script is configured */
134 idmap_tdb2_state
.idmap_script
= lp_parm_const_string(-1, "idmap",
137 if (idmap_tdb2_state
.idmap_script
) {
138 DEBUG(1, ("using idmap script '%s'\n",
139 idmap_tdb2_state
.idmap_script
));
144 /* Create high water marks for group and user id */
145 if (!lp_idmap_uid(&low_uid
, &high_uid
)
146 || !lp_idmap_gid(&low_gid
, &high_gid
)) {
147 DEBUG(1, ("idmap uid or idmap gid missing\n"));
148 return NT_STATUS_UNSUCCESSFUL
;
151 idmap_tdb2_state
.low_uid
= low_uid
;
152 idmap_tdb2_state
.high_uid
= high_uid
;
153 idmap_tdb2_state
.low_gid
= low_gid
;
154 idmap_tdb2_state
.high_gid
= high_gid
;
156 if (idmap_tdb2_state
.high_uid
<= idmap_tdb2_state
.low_uid
) {
157 DEBUG(1, ("idmap uid range missing or invalid\n"));
158 DEBUGADD(1, ("idmap will be unable to map foreign SIDs\n"));
159 return NT_STATUS_UNSUCCESSFUL
;
162 if (((low_id
= dbwrap_fetch_int32(idmap_tdb2_perm
,
164 (low_id
< idmap_tdb2_state
.low_uid
)) {
165 if (dbwrap_store_int32(
166 idmap_tdb2_perm
, HWM_USER
,
167 idmap_tdb2_state
.low_uid
) == -1) {
168 DEBUG(0, ("Unable to initialise user hwm in idmap "
170 return NT_STATUS_INTERNAL_DB_ERROR
;
174 if (idmap_tdb2_state
.high_gid
<= idmap_tdb2_state
.low_gid
) {
175 DEBUG(1, ("idmap gid range missing or invalid\n"));
176 DEBUGADD(1, ("idmap will be unable to map foreign SIDs\n"));
177 return NT_STATUS_UNSUCCESSFUL
;
180 if (((low_id
= dbwrap_fetch_int32(idmap_tdb2_perm
,
181 HWM_GROUP
)) == -1) ||
182 (low_id
< idmap_tdb2_state
.low_gid
)) {
183 if (dbwrap_store_int32(
184 idmap_tdb2_perm
, HWM_GROUP
,
185 idmap_tdb2_state
.low_gid
) == -1) {
186 DEBUG(0, ("Unable to initialise group hwm in idmap "
188 return NT_STATUS_INTERNAL_DB_ERROR
;
197 Initialise idmap alloc database.
199 static NTSTATUS
idmap_tdb2_alloc_init(const char *params
)
201 /* nothing to do - we want to avoid opening the permanent
202 database if possible. Instead we load the params when we
211 static NTSTATUS
idmap_tdb2_allocate_id(struct unixid
*xid
)
220 status
= idmap_tdb2_open_perm_db();
221 NT_STATUS_NOT_OK_RETURN(status
);
223 /* Get current high water mark */
229 high_hwm
= idmap_tdb2_state
.high_uid
;
235 high_hwm
= idmap_tdb2_state
.high_gid
;
239 DEBUG(2, ("Invalid ID type (0x%x)\n", xid
->type
));
240 return NT_STATUS_INVALID_PARAMETER
;
243 if ((hwm
= dbwrap_fetch_int32(idmap_tdb2_perm
, hwmkey
)) == -1) {
244 return NT_STATUS_INTERNAL_DB_ERROR
;
247 /* check it is in the range */
248 if (hwm
> high_hwm
) {
249 DEBUG(1, ("Fatal Error: %s range full!! (max: %lu)\n",
250 hwmtype
, (unsigned long)high_hwm
));
251 return NT_STATUS_UNSUCCESSFUL
;
254 /* fetch a new id and increment it */
255 ret
= dbwrap_change_uint32_atomic(idmap_tdb2_perm
, hwmkey
, &hwm
, 1);
257 DEBUG(1, ("Fatal error while fetching a new %s value\n!", hwmtype
));
258 return NT_STATUS_UNSUCCESSFUL
;
261 /* recheck it is in the range */
262 if (hwm
> high_hwm
) {
263 DEBUG(1, ("Fatal Error: %s range full!! (max: %lu)\n",
264 hwmtype
, (unsigned long)high_hwm
));
265 return NT_STATUS_UNSUCCESSFUL
;
269 DEBUG(10,("New %s = %d\n", hwmtype
, hwm
));
275 Get current highest id.
277 static NTSTATUS
idmap_tdb2_get_hwm(struct unixid
*xid
)
284 /* Get current high water mark */
290 high_hwm
= idmap_tdb2_state
.high_uid
;
296 high_hwm
= idmap_tdb2_state
.high_gid
;
300 return NT_STATUS_INVALID_PARAMETER
;
303 if ((hwm
= dbwrap_fetch_int32(idmap_tdb2_perm
, hwmkey
)) == -1) {
304 return NT_STATUS_INTERNAL_DB_ERROR
;
309 /* Warn if it is out of range */
310 if (hwm
>= high_hwm
) {
311 DEBUG(0, ("Warning: %s range full!! (max: %lu)\n",
312 hwmtype
, (unsigned long)high_hwm
));
321 static NTSTATUS
idmap_tdb2_set_hwm(struct unixid
*xid
)
323 /* not supported, or we would invalidate the cache tdb on
325 DEBUG(0,("idmap_tdb2_set_hwm not supported\n"));
326 return NT_STATUS_NOT_SUPPORTED
;
332 static NTSTATUS
idmap_tdb2_alloc_close(void)
334 /* don't actually close it */
339 IDMAP MAPPING TDB BACKEND
341 struct idmap_tdb2_context
{
342 uint32_t filter_low_id
;
343 uint32_t filter_high_id
;
347 try fetching from the cache tdb, and if that fails then
348 fetch from the permanent tdb
350 static TDB_DATA
tdb2_fetch_bystring(TALLOC_CTX
*mem_ctx
, const char *keystr
)
355 ret
= tdb_fetch_bystring(idmap_tdb2_tmp
, keystr
);
356 if (ret
.dptr
!= NULL
) {
357 /* got it from cache */
360 tmp
= (unsigned char *)talloc_memdup(mem_ctx
, ret
.dptr
,
365 if (ret
.dptr
== NULL
) {
366 return make_tdb_data(NULL
, 0);
371 status
= idmap_tdb2_open_perm_db();
372 if (!NT_STATUS_IS_OK(status
)) {
376 /* fetch from the permanent tdb */
377 return dbwrap_fetch_bystring(idmap_tdb2_perm
, mem_ctx
, keystr
);
381 store into both databases
383 static NTSTATUS
tdb2_store_bystring(const char *keystr
, TDB_DATA data
, int flags
)
386 NTSTATUS status
= idmap_tdb2_open_perm_db();
387 if (!NT_STATUS_IS_OK(status
)) {
388 return NT_STATUS_UNSUCCESSFUL
;
390 ret
= dbwrap_store_bystring(idmap_tdb2_perm
, keystr
, data
, flags
);
391 if (!NT_STATUS_IS_OK(ret
)) {
392 ret
= tdb_store_bystring(idmap_tdb2_tmp
, keystr
, data
, flags
) ? NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
398 delete from both databases
400 static NTSTATUS
tdb2_delete_bystring(const char *keystr
)
403 NTSTATUS status
= idmap_tdb2_open_perm_db();
404 if (!NT_STATUS_IS_OK(status
)) {
405 return NT_STATUS_UNSUCCESSFUL
;
407 ret
= dbwrap_delete_bystring(idmap_tdb2_perm
, keystr
);
408 if (!NT_STATUS_IS_OK(ret
)) {
409 ret
= tdb_delete_bystring(idmap_tdb2_tmp
, keystr
) ? NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
415 Initialise idmap database.
417 static NTSTATUS
idmap_tdb2_db_init(struct idmap_domain
*dom
,
421 struct idmap_tdb2_context
*ctx
;
422 char *config_option
= NULL
;
426 status
= idmap_tdb2_open_cache_db();
427 NT_STATUS_NOT_OK_RETURN(status
);
429 ctx
= talloc(dom
, struct idmap_tdb2_context
);
431 DEBUG(0, ("Out of memory!\n"));
432 return NT_STATUS_NO_MEMORY
;
435 config_option
= talloc_asprintf(ctx
, "idmap config %s", dom
->name
);
436 if ( ! config_option
) {
437 DEBUG(0, ("Out of memory!\n"));
438 ret
= NT_STATUS_NO_MEMORY
;
442 range
= lp_parm_const_string(-1, config_option
, "range", NULL
);
444 (sscanf(range
, "%u - %u", &ctx
->filter_low_id
, &ctx
->filter_high_id
) != 2) ||
445 (ctx
->filter_low_id
> ctx
->filter_high_id
)) {
446 ctx
->filter_low_id
= 0;
447 ctx
->filter_high_id
= 0;
450 dom
->private_data
= ctx
;
452 talloc_free(config_option
);
462 run a script to perform a mapping
464 The script should the following command lines:
470 and should return one of the following as a single line of text
476 static NTSTATUS
idmap_tdb2_script(struct idmap_tdb2_context
*ctx
, struct id_map
*map
,
477 const char *fmt
, ...)
485 cmd
= talloc_asprintf(ctx
, "%s ", idmap_tdb2_state
.idmap_script
);
486 NT_STATUS_HAVE_NO_MEMORY(cmd
);
489 cmd
= talloc_vasprintf_append(cmd
, fmt
, ap
);
491 NT_STATUS_HAVE_NO_MEMORY(cmd
);
496 return NT_STATUS_NONE_MAPPED
;
499 if (fgets(line
, sizeof(line
)-1, p
) == NULL
) {
501 return NT_STATUS_NONE_MAPPED
;
505 DEBUG(10,("idmap script gave: %s\n", line
));
507 if (sscanf(line
, "UID:%lu", &v
) == 1) {
509 map
->xid
.type
= ID_TYPE_UID
;
510 } else if (sscanf(line
, "GID:%lu", &v
) == 1) {
512 map
->xid
.type
= ID_TYPE_GID
;
513 } else if (strncmp(line
, "SID:S-", 6) == 0) {
514 if (!string_to_sid(map
->sid
, &line
[4])) {
515 DEBUG(0,("Bad SID in '%s' from idmap script %s\n",
516 line
, idmap_tdb2_state
.idmap_script
));
517 return NT_STATUS_NONE_MAPPED
;
520 DEBUG(0,("Bad reply '%s' from idmap script %s\n",
521 line
, idmap_tdb2_state
.idmap_script
));
522 return NT_STATUS_NONE_MAPPED
;
531 Single id to sid lookup function.
533 static NTSTATUS
idmap_tdb2_id_to_sid(struct idmap_tdb2_context
*ctx
, struct id_map
*map
)
540 return NT_STATUS_INVALID_PARAMETER
;
543 /* apply filters before checking */
544 if ((ctx
->filter_low_id
&& (map
->xid
.id
< ctx
->filter_low_id
)) ||
545 (ctx
->filter_high_id
&& (map
->xid
.id
> ctx
->filter_high_id
))) {
546 DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
547 map
->xid
.id
, ctx
->filter_low_id
, ctx
->filter_high_id
));
548 return NT_STATUS_NONE_MAPPED
;
551 switch (map
->xid
.type
) {
554 keystr
= talloc_asprintf(ctx
, "UID %lu", (unsigned long)map
->xid
.id
);
558 keystr
= talloc_asprintf(ctx
, "GID %lu", (unsigned long)map
->xid
.id
);
562 DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map
->xid
.type
));
563 return NT_STATUS_INVALID_PARAMETER
;
566 /* final SAFE_FREE safe */
569 if (keystr
== NULL
) {
570 DEBUG(0, ("Out of memory!\n"));
571 ret
= NT_STATUS_NO_MEMORY
;
575 DEBUG(10,("Fetching record %s\n", keystr
));
577 /* Check if the mapping exists */
578 data
= tdb2_fetch_bystring(keystr
, keystr
);
583 DEBUG(10,("Record %s not found\n", keystr
));
584 if (idmap_tdb2_state
.idmap_script
== NULL
) {
585 ret
= NT_STATUS_NONE_MAPPED
;
589 ret
= idmap_tdb2_script(ctx
, map
, "IDTOSID %s", keystr
);
591 /* store it on shared storage */
592 if (!NT_STATUS_IS_OK(ret
)) {
596 if (sid_to_fstring(sidstr
, map
->sid
)) {
597 /* both forward and reverse mappings */
598 tdb2_store_bystring(keystr
,
599 string_term_tdb_data(sidstr
),
601 tdb2_store_bystring(sidstr
,
602 string_term_tdb_data(keystr
),
608 if (!string_to_sid(map
->sid
, (const char *)data
.dptr
)) {
609 DEBUG(10,("INVALID SID (%s) in record %s\n",
610 (const char *)data
.dptr
, keystr
));
611 ret
= NT_STATUS_INTERNAL_DB_ERROR
;
615 DEBUG(10,("Found record %s -> %s\n", keystr
, (const char *)data
.dptr
));
625 Single sid to id lookup function.
627 static NTSTATUS
idmap_tdb2_sid_to_id(struct idmap_tdb2_context
*ctx
, struct id_map
*map
)
632 unsigned long rec_id
= 0;
634 if ((keystr
= sid_string_talloc(ctx
, map
->sid
)) == NULL
) {
635 DEBUG(0, ("Out of memory!\n"));
636 ret
= NT_STATUS_NO_MEMORY
;
640 DEBUG(10,("Fetching record %s\n", keystr
));
642 /* Check if sid is present in database */
643 data
= tdb2_fetch_bystring(keystr
, keystr
);
647 DEBUG(10,(__location__
" Record %s not found\n", keystr
));
649 if (idmap_tdb2_state
.idmap_script
== NULL
) {
650 ret
= NT_STATUS_NONE_MAPPED
;
654 ret
= idmap_tdb2_script(ctx
, map
, "SIDTOID %s", keystr
);
655 /* store it on shared storage */
656 if (!NT_STATUS_IS_OK(ret
)) {
660 snprintf(idstr
, sizeof(idstr
), "%cID %lu",
661 map
->xid
.type
== ID_TYPE_UID
?'U':'G',
662 (unsigned long)map
->xid
.id
);
663 /* store both forward and reverse mappings */
664 tdb2_store_bystring(keystr
, string_term_tdb_data(idstr
),
666 tdb2_store_bystring(idstr
, string_term_tdb_data(keystr
),
671 /* What type of record is this ? */
672 if (sscanf((const char *)data
.dptr
, "UID %lu", &rec_id
) == 1) { /* Try a UID record. */
673 map
->xid
.id
= rec_id
;
674 map
->xid
.type
= ID_TYPE_UID
;
675 DEBUG(10,("Found uid record %s -> %s \n", keystr
, (const char *)data
.dptr
));
678 } else if (sscanf((const char *)data
.dptr
, "GID %lu", &rec_id
) == 1) { /* Try a GID record. */
679 map
->xid
.id
= rec_id
;
680 map
->xid
.type
= ID_TYPE_GID
;
681 DEBUG(10,("Found gid record %s -> %s \n", keystr
, (const char *)data
.dptr
));
684 } else { /* Unknown record type ! */
685 DEBUG(2, ("Found INVALID record %s -> %s\n", keystr
, (const char *)data
.dptr
));
686 ret
= NT_STATUS_INTERNAL_DB_ERROR
;
689 /* apply filters before returning result */
690 if ((ctx
->filter_low_id
&& (map
->xid
.id
< ctx
->filter_low_id
)) ||
691 (ctx
->filter_high_id
&& (map
->xid
.id
> ctx
->filter_high_id
))) {
692 DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
693 map
->xid
.id
, ctx
->filter_low_id
, ctx
->filter_high_id
));
694 ret
= NT_STATUS_NONE_MAPPED
;
703 lookup a set of unix ids.
705 static NTSTATUS
idmap_tdb2_unixids_to_sids(struct idmap_domain
*dom
, struct id_map
**ids
)
707 struct idmap_tdb2_context
*ctx
;
711 ctx
= talloc_get_type(dom
->private_data
, struct idmap_tdb2_context
);
713 for (i
= 0; ids
[i
]; i
++) {
714 ret
= idmap_tdb2_id_to_sid(ctx
, ids
[i
]);
715 if ( ! NT_STATUS_IS_OK(ret
)) {
717 /* if it is just a failed mapping continue */
718 if (NT_STATUS_EQUAL(ret
, NT_STATUS_NONE_MAPPED
)) {
720 /* make sure it is marked as unmapped */
721 ids
[i
]->status
= ID_UNMAPPED
;
725 /* some fatal error occurred, return immediately */
729 /* all ok, id is mapped */
730 ids
[i
]->status
= ID_MAPPED
;
740 lookup a set of sids.
742 static NTSTATUS
idmap_tdb2_sids_to_unixids(struct idmap_domain
*dom
, struct id_map
**ids
)
744 struct idmap_tdb2_context
*ctx
;
748 ctx
= talloc_get_type(dom
->private_data
, struct idmap_tdb2_context
);
750 for (i
= 0; ids
[i
]; i
++) {
751 ret
= idmap_tdb2_sid_to_id(ctx
, ids
[i
]);
752 if ( ! NT_STATUS_IS_OK(ret
)) {
754 /* if it is just a failed mapping continue */
755 if (NT_STATUS_EQUAL(ret
, NT_STATUS_NONE_MAPPED
)) {
757 /* make sure it is marked as unmapped */
758 ids
[i
]->status
= ID_UNMAPPED
;
762 /* some fatal error occurred, return immediately */
766 /* all ok, id is mapped */
767 ids
[i
]->status
= ID_MAPPED
;
780 static NTSTATUS
idmap_tdb2_set_mapping(struct idmap_domain
*dom
, const struct id_map
*map
)
782 struct idmap_tdb2_context
*ctx
;
785 char *ksidstr
, *kidstr
;
786 struct db_record
*update_lock
= NULL
;
787 struct db_record
*rec
= NULL
;
789 if (!map
|| !map
->sid
) {
790 return NT_STATUS_INVALID_PARAMETER
;
793 ksidstr
= kidstr
= NULL
;
796 /* TODO: should we filter a set_mapping using low/high filters ? */
798 ctx
= talloc_get_type(dom
->private_data
, struct idmap_tdb2_context
);
800 switch (map
->xid
.type
) {
803 kidstr
= talloc_asprintf(ctx
, "UID %lu", (unsigned long)map
->xid
.id
);
807 kidstr
= talloc_asprintf(ctx
, "GID %lu", (unsigned long)map
->xid
.id
);
811 DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map
->xid
.type
));
812 return NT_STATUS_INVALID_PARAMETER
;
815 if (kidstr
== NULL
) {
816 DEBUG(0, ("ERROR: Out of memory!\n"));
817 ret
= NT_STATUS_NO_MEMORY
;
821 if (!(ksidstr
= sid_string_talloc(ctx
, map
->sid
))) {
822 DEBUG(0, ("Out of memory!\n"));
823 ret
= NT_STATUS_NO_MEMORY
;
827 DEBUG(10, ("Storing %s <-> %s map\n", ksidstr
, kidstr
));
830 * Get us the update lock. This is necessary to get the lock orders
831 * right, we need to deal with two records under a lock.
834 if (!(update_lock
= idmap_tdb2_perm
->fetch_locked(
835 idmap_tdb2_perm
, ctx
,
836 string_term_tdb_data("UPDATELOCK")))) {
837 DEBUG(10,("Failed to lock record %s\n", ksidstr
));
838 ret
= NT_STATUS_UNSUCCESSFUL
;
843 * *DELETE* previous mappings if any. *
846 /* First delete indexed on SID */
848 if (((rec
= idmap_tdb2_perm
->fetch_locked(
849 idmap_tdb2_perm
, update_lock
,
850 string_term_tdb_data(ksidstr
))) != NULL
)
851 && (rec
->value
.dsize
!= 0)) {
852 struct db_record
*rec2
;
854 if ((rec2
= idmap_tdb2_perm
->fetch_locked(
855 idmap_tdb2_perm
, update_lock
, rec
->value
))
857 rec2
->delete_rec(rec2
);
861 rec
->delete_rec(rec
);
863 tdb_delete(idmap_tdb2_tmp
, rec
->key
);
864 tdb_delete(idmap_tdb2_tmp
, rec
->value
);
868 /* Now delete indexed on unix ID */
870 if (((rec
= idmap_tdb2_perm
->fetch_locked(
871 idmap_tdb2_perm
, update_lock
,
872 string_term_tdb_data(kidstr
))) != NULL
)
873 && (rec
->value
.dsize
!= 0)) {
874 struct db_record
*rec2
;
876 if ((rec2
= idmap_tdb2_perm
->fetch_locked(
877 idmap_tdb2_perm
, update_lock
, rec
->value
))
879 rec2
->delete_rec(rec2
);
883 rec
->delete_rec(rec
);
885 tdb_delete(idmap_tdb2_tmp
, rec
->key
);
886 tdb_delete(idmap_tdb2_tmp
, rec
->value
);
890 if (!NT_STATUS_IS_OK(tdb2_store_bystring(ksidstr
, string_term_tdb_data(kidstr
),
892 DEBUG(0, ("Error storing SID -> ID\n"));
893 ret
= NT_STATUS_UNSUCCESSFUL
;
896 if (!NT_STATUS_IS_OK(tdb2_store_bystring(kidstr
, string_term_tdb_data(ksidstr
),
898 DEBUG(0, ("Error storing ID -> SID\n"));
899 /* try to remove the previous stored SID -> ID map */
900 tdb2_delete_bystring(ksidstr
);
901 ret
= NT_STATUS_UNSUCCESSFUL
;
905 DEBUG(10,("Stored %s <-> %s\n", ksidstr
, kidstr
));
909 talloc_free(ksidstr
);
911 SAFE_FREE(data
.dptr
);
912 TALLOC_FREE(update_lock
);
919 static NTSTATUS
idmap_tdb2_remove_mapping(struct idmap_domain
*dom
, const struct id_map
*map
)
921 /* not supported as it would invalidate the cache tdb on other
923 DEBUG(0,("idmap_tdb2_remove_mapping not supported\n"));
924 return NT_STATUS_NOT_SUPPORTED
;
928 Close the idmap tdb instance
930 static NTSTATUS
idmap_tdb2_close(struct idmap_domain
*dom
)
932 /* don't do anything */
938 Dump all mappings out
940 static NTSTATUS
idmap_tdb2_dump_data(struct idmap_domain
*dom
, struct id_map
**maps
, int *num_maps
)
942 DEBUG(0,("idmap_tdb2_dump_data not supported\n"));
943 return NT_STATUS_NOT_SUPPORTED
;
946 static struct idmap_methods db_methods
= {
947 .init
= idmap_tdb2_db_init
,
948 .unixids_to_sids
= idmap_tdb2_unixids_to_sids
,
949 .sids_to_unixids
= idmap_tdb2_sids_to_unixids
,
950 .set_mapping
= idmap_tdb2_set_mapping
,
951 .remove_mapping
= idmap_tdb2_remove_mapping
,
952 .dump_data
= idmap_tdb2_dump_data
,
953 .close_fn
= idmap_tdb2_close
956 static struct idmap_alloc_methods db_alloc_methods
= {
957 .init
= idmap_tdb2_alloc_init
,
958 .allocate_id
= idmap_tdb2_allocate_id
,
959 .get_id_hwm
= idmap_tdb2_get_hwm
,
960 .set_id_hwm
= idmap_tdb2_set_hwm
,
961 .close_fn
= idmap_tdb2_alloc_close
964 NTSTATUS
idmap_tdb2_init(void)
968 /* register both backends */
969 ret
= smb_register_idmap_alloc(SMB_IDMAP_INTERFACE_VERSION
, "tdb2", &db_alloc_methods
);
970 if (! NT_STATUS_IS_OK(ret
)) {
971 DEBUG(0, ("Unable to register idmap alloc tdb2 module: %s\n", get_friendly_nt_error_msg(ret
)));
975 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION
, "tdb2", &db_methods
);