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 /* High water mark keys */
37 #define HWM_GROUP "GROUP HWM"
38 #define HWM_USER "USER HWM"
40 static struct idmap_tdb_state {
42 /* User and group id pool */
43 uid_t low_uid, high_uid; /* Range of uids to allocate */
44 gid_t low_gid, high_gid; /* Range of gids to allocate */
48 struct convert_fn_state {
49 struct db_context *db;
53 /*****************************************************************************
54 For idmap conversion: convert one record to new format
55 Ancient versions (eg 2.2.3a) of winbindd_idmap.tdb mapped DOMAINNAME/rid
57 *****************************************************************************/
58 static int convert_fn(struct db_record *rec, void *private_data)
60 struct winbindd_domain *domain;
68 struct convert_fn_state *s = (struct convert_fn_state *)private_data;
70 DEBUG(10,("Converting %s\n", (const char *)rec->key.dptr));
72 p = strchr((const char *)rec->key.dptr, '/');
77 fstrcpy(dom_name, (const char *)rec->key.dptr);
80 domain = find_domain_from_name(dom_name);
82 /* We must delete the old record. */
83 DEBUG(0,("Unable to find domain %s\n", dom_name ));
84 DEBUG(0,("deleting record %s\n", (const char *)rec->key.dptr ));
86 status = rec->delete_rec(rec);
87 if (!NT_STATUS_IS_OK(status)) {
88 DEBUG(0, ("Unable to delete record %s:%s\n",
89 (const char *)rec->key.dptr,
100 sid_copy(&sid, &domain->sid);
101 sid_append_rid(&sid, rid);
103 sid_to_fstring(keystr, &sid);
104 key2 = string_term_tdb_data(keystr);
106 status = dbwrap_store(s->db, key2, rec->value, TDB_INSERT);
107 if (!NT_STATUS_IS_OK(status)) {
108 DEBUG(0,("Unable to add record %s:%s\n",
109 (const char *)key2.dptr,
115 status = dbwrap_store(s->db, rec->value, key2, TDB_REPLACE);
116 if (!NT_STATUS_IS_OK(status)) {
117 DEBUG(0,("Unable to update record %s:%s\n",
118 (const char *)rec->value.dptr,
124 status = rec->delete_rec(rec);
125 if (!NT_STATUS_IS_OK(status)) {
126 DEBUG(0,("Unable to delete record %s:%s\n",
127 (const char *)rec->key.dptr,
136 /*****************************************************************************
137 Convert the idmap database from an older version.
138 *****************************************************************************/
140 static bool idmap_tdb_upgrade(struct db_context *db)
143 bool bigendianheader;
144 struct convert_fn_state s;
146 DEBUG(0, ("Upgrading winbindd_idmap.tdb from an old version\n"));
148 bigendianheader = (db->get_flags(db) & TDB_BIGENDIAN) ? True : False;
150 vers = dbwrap_fetch_int32(db, "IDMAP_VERSION");
152 if (((vers == -1) && bigendianheader) || (IREV(vers) == IDMAP_VERSION)) {
153 /* Arrggghh ! Bytereversed or old big-endian - make order independent ! */
155 * high and low records were created on a
156 * big endian machine and will need byte-reversing.
161 wm = dbwrap_fetch_int32(db, HWM_USER);
166 wm = idmap_tdb_state.low_uid;
169 if (dbwrap_store_int32(db, HWM_USER, wm) == -1) {
170 DEBUG(0, ("Unable to byteswap user hwm in idmap database\n"));
174 wm = dbwrap_fetch_int32(db, HWM_GROUP);
178 wm = idmap_tdb_state.low_gid;
181 if (dbwrap_store_int32(db, HWM_GROUP, wm) == -1) {
182 DEBUG(0, ("Unable to byteswap group hwm in idmap database\n"));
190 /* the old format stored as DOMAIN/rid - now we store the SID direct */
191 db->traverse(db, convert_fn, &s);
194 DEBUG(0, ("Problem during conversion\n"));
198 if (dbwrap_store_int32(db, "IDMAP_VERSION", IDMAP_VERSION) == -1) {
199 DEBUG(0, ("Unable to dtore idmap version in databse\n"));
206 static NTSTATUS idmap_tdb_load_ranges(void)
213 if (!lp_idmap_uid(&low_uid, &high_uid)) {
214 DEBUG(1, ("idmap uid missing\n"));
215 return NT_STATUS_UNSUCCESSFUL;
218 if (!lp_idmap_gid(&low_gid, &high_gid)) {
219 DEBUG(1, ("idmap gid missing\n"));
220 return NT_STATUS_UNSUCCESSFUL;
223 idmap_tdb_state.low_uid = low_uid;
224 idmap_tdb_state.high_uid = high_uid;
225 idmap_tdb_state.low_gid = low_gid;
226 idmap_tdb_state.high_gid = high_gid;
228 if (idmap_tdb_state.high_uid <= idmap_tdb_state.low_uid) {
229 DEBUG(1, ("idmap uid range missing or invalid\n"));
230 return NT_STATUS_UNSUCCESSFUL;
233 if (idmap_tdb_state.high_gid <= idmap_tdb_state.low_gid) {
234 DEBUG(1, ("idmap gid range missing or invalid\n"));
235 return NT_STATUS_UNSUCCESSFUL;
241 static NTSTATUS idmap_tdb_open_db(TALLOC_CTX *memctx,
243 struct db_context **dbctx)
247 char *tdbfile = NULL;
248 struct db_context *db = NULL;
250 bool config_error = false;
252 ret = idmap_tdb_load_ranges();
253 if (!NT_STATUS_IS_OK(ret)) {
260 /* use our own context here */
261 ctx = talloc_stackframe();
263 /* use the old database if present */
264 tdbfile = state_path("winbindd_idmap.tdb");
266 DEBUG(0, ("Out of memory!\n"));
267 ret = NT_STATUS_NO_MEMORY;
271 DEBUG(10,("Opening tdbfile %s\n", tdbfile ));
273 /* Open idmap repository */
274 db = db_open(ctx, tdbfile, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0644);
276 DEBUG(0, ("Unable to open idmap database\n"));
277 ret = NT_STATUS_UNSUCCESSFUL;
281 /* check against earlier versions */
282 version = dbwrap_fetch_int32(db, "IDMAP_VERSION");
283 if (version != IDMAP_VERSION) {
285 DEBUG(0,("Upgrade of IDMAP_VERSION from %d to %d is not "
286 "possible with incomplete configuration\n",
287 version, IDMAP_VERSION));
288 ret = NT_STATUS_UNSUCCESSFUL;
291 if (db->transaction_start(db) != 0) {
292 DEBUG(0, ("Unable to start upgrade transaction!\n"));
293 ret = NT_STATUS_INTERNAL_DB_ERROR;
297 if (!idmap_tdb_upgrade(db)) {
298 db->transaction_cancel(db);
299 DEBUG(0, ("Unable to open idmap database, it's in an old formati, and upgrade failed!\n"));
300 ret = NT_STATUS_INTERNAL_DB_ERROR;
304 if (db->transaction_commit(db) != 0) {
305 DEBUG(0, ("Unable to commit upgrade transaction!\n"));
306 ret = NT_STATUS_INTERNAL_DB_ERROR;
311 *dbctx = talloc_move(memctx, &db);
319 /**********************************************************************
320 IDMAP ALLOC TDB BACKEND
321 **********************************************************************/
323 static struct db_context *idmap_alloc_db;
325 /**********************************
326 Initialise idmap alloc database.
327 **********************************/
329 static NTSTATUS idmap_tdb_alloc_init( const char *params )
335 bool update_uid = false;
336 bool update_gid = false;
338 status = idmap_tdb_open_db(NULL, true, &idmap_alloc_db);
339 if (!NT_STATUS_IS_OK(status)) {
340 DEBUG(0, ("idmap will be unable to map foreign SIDs: %s\n",
345 low_uid = dbwrap_fetch_int32(idmap_alloc_db, HWM_USER);
346 if (low_uid == -1 || low_uid < idmap_tdb_state.low_uid) {
350 low_gid = dbwrap_fetch_int32(idmap_alloc_db, HWM_GROUP);
351 if (low_gid == -1 || low_gid < idmap_tdb_state.low_gid) {
355 if (!update_uid && !update_gid) {
359 if (idmap_alloc_db->transaction_start(idmap_alloc_db) != 0) {
360 TALLOC_FREE(idmap_alloc_db);
361 DEBUG(0, ("Unable to start upgrade transaction!\n"));
362 return NT_STATUS_INTERNAL_DB_ERROR;
366 ret = dbwrap_store_int32(idmap_alloc_db, HWM_USER,
367 idmap_tdb_state.low_uid);
369 idmap_alloc_db->transaction_cancel(idmap_alloc_db);
370 TALLOC_FREE(idmap_alloc_db);
371 DEBUG(0, ("Unable to initialise user hwm in idmap "
373 return NT_STATUS_INTERNAL_DB_ERROR;
378 ret = dbwrap_store_int32(idmap_alloc_db, HWM_GROUP,
379 idmap_tdb_state.low_gid);
381 idmap_alloc_db->transaction_cancel(idmap_alloc_db);
382 TALLOC_FREE(idmap_alloc_db);
383 DEBUG(0, ("Unable to initialise group hwm in idmap "
385 return NT_STATUS_INTERNAL_DB_ERROR;
389 if (idmap_alloc_db->transaction_commit(idmap_alloc_db) != 0) {
390 TALLOC_FREE(idmap_alloc_db);
391 DEBUG(0, ("Unable to commit upgrade transaction!\n"));
392 return NT_STATUS_INTERNAL_DB_ERROR;
398 /**********************************
400 **********************************/
402 static NTSTATUS idmap_tdb_allocate_id(struct unixid *xid)
411 /* Get current high water mark */
417 high_hwm = idmap_tdb_state.high_uid;
423 high_hwm = idmap_tdb_state.high_gid;
427 DEBUG(2, ("Invalid ID type (0x%x)\n", xid->type));
428 return NT_STATUS_INVALID_PARAMETER;
431 res = idmap_alloc_db->transaction_start(idmap_alloc_db);
433 DEBUG(1, (__location__ " Failed to start transaction.\n"));
434 return NT_STATUS_UNSUCCESSFUL;
437 if ((hwm = dbwrap_fetch_int32(idmap_alloc_db, hwmkey)) == -1) {
438 idmap_alloc_db->transaction_cancel(idmap_alloc_db);
439 return NT_STATUS_INTERNAL_DB_ERROR;
442 /* check it is in the range */
443 if (hwm > high_hwm) {
444 DEBUG(1, ("Fatal Error: %s range full!! (max: %lu)\n",
445 hwmtype, (unsigned long)high_hwm));
446 idmap_alloc_db->transaction_cancel(idmap_alloc_db);
447 return NT_STATUS_UNSUCCESSFUL;
450 /* fetch a new id and increment it */
451 ret = dbwrap_change_uint32_atomic(idmap_alloc_db, hwmkey, &hwm, 1);
452 if (!NT_STATUS_IS_OK(ret)) {
453 DEBUG(0, ("Fatal error while fetching a new %s value: %s\n!",
454 hwmtype, nt_errstr(ret)));
455 idmap_alloc_db->transaction_cancel(idmap_alloc_db);
459 /* recheck it is in the range */
460 if (hwm > high_hwm) {
461 DEBUG(1, ("Fatal Error: %s range full!! (max: %lu)\n",
462 hwmtype, (unsigned long)high_hwm));
463 idmap_alloc_db->transaction_cancel(idmap_alloc_db);
464 return NT_STATUS_UNSUCCESSFUL;
467 res = idmap_alloc_db->transaction_commit(idmap_alloc_db);
469 DEBUG(1, (__location__ " Failed to commit transaction.\n"));
470 return NT_STATUS_UNSUCCESSFUL;
474 DEBUG(10,("New %s = %d\n", hwmtype, hwm));
479 /**********************************
480 Get current highest id.
481 **********************************/
483 static NTSTATUS idmap_tdb_get_hwm(struct unixid *xid)
490 /* Get current high water mark */
496 high_hwm = idmap_tdb_state.high_uid;
502 high_hwm = idmap_tdb_state.high_gid;
506 return NT_STATUS_INVALID_PARAMETER;
509 if ((hwm = dbwrap_fetch_int32(idmap_alloc_db, hwmkey)) == -1) {
510 return NT_STATUS_INTERNAL_DB_ERROR;
515 /* Warn if it is out of range */
516 if (hwm >= high_hwm) {
517 DEBUG(0, ("Warning: %s range full!! (max: %lu)\n",
518 hwmtype, (unsigned long)high_hwm));
524 /**********************************
526 **********************************/
528 static NTSTATUS idmap_tdb_set_hwm(struct unixid *xid)
535 /* Get current high water mark */
541 high_hwm = idmap_tdb_state.high_uid;
547 high_hwm = idmap_tdb_state.high_gid;
551 return NT_STATUS_INVALID_PARAMETER;
556 if ((hwm = dbwrap_store_uint32(idmap_alloc_db, hwmkey, hwm)) == -1) {
557 return NT_STATUS_INTERNAL_DB_ERROR;
560 /* Warn if it is out of range */
561 if (hwm >= high_hwm) {
562 DEBUG(0, ("Warning: %s range full!! (max: %lu)\n",
563 hwmtype, (unsigned long)high_hwm));
569 /**********************************
571 **********************************/
573 static NTSTATUS idmap_tdb_alloc_close(void)
575 TALLOC_FREE(idmap_alloc_db);
579 /**********************************************************************
580 IDMAP MAPPING TDB BACKEND
581 **********************************************************************/
583 struct idmap_tdb_context {
584 struct db_context *db;
585 uint32_t filter_low_id;
586 uint32_t filter_high_id;
589 /*****************************
590 Initialise idmap database.
591 *****************************/
593 static NTSTATUS idmap_tdb_db_init(struct idmap_domain *dom, const char *params)
596 struct idmap_tdb_context *ctx;
598 ctx = talloc(dom, struct idmap_tdb_context);
600 DEBUG(0, ("Out of memory!\n"));
601 return NT_STATUS_NO_MEMORY;
604 if (strequal(dom->name, "*")) {
610 ctx->filter_low_id = 0;
611 ctx->filter_high_id = 0;
613 if (lp_idmap_uid(&low_uid, &high_uid)) {
614 ctx->filter_low_id = low_uid;
615 ctx->filter_high_id = high_uid;
617 DEBUG(3, ("Warning: 'idmap uid' not set!\n"));
620 if (lp_idmap_gid(&low_gid, &high_gid)) {
621 if ((low_gid != low_uid) || (high_gid != high_uid)) {
622 DEBUG(1, ("Warning: 'idmap uid' and 'idmap gid'"
623 " ranges do not agree -- building "
625 ctx->filter_low_id = MAX(ctx->filter_low_id,
627 ctx->filter_high_id = MIN(ctx->filter_high_id,
631 DEBUG(3, ("Warning: 'idmap gid' not set!\n"));
634 char *config_option = NULL;
637 config_option = talloc_asprintf(ctx, "idmap config %s", dom->name);
638 if ( ! config_option) {
639 DEBUG(0, ("Out of memory!\n"));
640 ret = NT_STATUS_NO_MEMORY;
644 range = lp_parm_const_string(-1, config_option, "range", NULL);
646 (sscanf(range, "%u - %u", &ctx->filter_low_id, &ctx->filter_high_id) != 2))
648 ctx->filter_low_id = 0;
649 ctx->filter_high_id = 0;
652 talloc_free(config_option);
655 if (ctx->filter_low_id > ctx->filter_high_id) {
656 ctx->filter_low_id = 0;
657 ctx->filter_high_id = 0;
660 DEBUG(10, ("idmap_tdb_db_init: filter range %u-%u loaded for domain "
661 "'%s'\n", ctx->filter_low_id, ctx->filter_high_id, dom->name));
663 ret = idmap_tdb_open_db(ctx, false, &ctx->db);
664 if ( ! NT_STATUS_IS_OK(ret)) {
668 dom->private_data = ctx;
677 /**********************************
678 Single id to sid lookup function.
679 **********************************/
681 static NTSTATUS idmap_tdb_id_to_sid(struct idmap_tdb_context *ctx, struct id_map *map)
688 return NT_STATUS_INVALID_PARAMETER;
691 /* apply filters before checking */
692 if ((ctx->filter_low_id && (map->xid.id < ctx->filter_low_id)) ||
693 (ctx->filter_high_id && (map->xid.id > ctx->filter_high_id))) {
694 DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
695 map->xid.id, ctx->filter_low_id, ctx->filter_high_id));
696 return NT_STATUS_NONE_MAPPED;
699 switch (map->xid.type) {
702 keystr = talloc_asprintf(ctx, "UID %lu", (unsigned long)map->xid.id);
706 keystr = talloc_asprintf(ctx, "GID %lu", (unsigned long)map->xid.id);
710 DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
711 return NT_STATUS_INVALID_PARAMETER;
714 /* final SAFE_FREE safe */
717 if (keystr == NULL) {
718 DEBUG(0, ("Out of memory!\n"));
719 ret = NT_STATUS_NO_MEMORY;
723 DEBUG(10,("Fetching record %s\n", keystr));
725 /* Check if the mapping exists */
726 data = dbwrap_fetch_bystring(ctx->db, NULL, keystr);
729 DEBUG(10,("Record %s not found\n", keystr));
730 ret = NT_STATUS_NONE_MAPPED;
734 if (!string_to_sid(map->sid, (const char *)data.dptr)) {
735 DEBUG(10,("INVALID SID (%s) in record %s\n",
736 (const char *)data.dptr, keystr));
737 ret = NT_STATUS_INTERNAL_DB_ERROR;
741 DEBUG(10,("Found record %s -> %s\n", keystr, (const char *)data.dptr));
745 talloc_free(data.dptr);
750 /**********************************
751 Single sid to id lookup function.
752 **********************************/
754 static NTSTATUS idmap_tdb_sid_to_id(struct idmap_tdb_context *ctx, struct id_map *map)
759 unsigned long rec_id = 0;
760 TALLOC_CTX *tmp_ctx = talloc_stackframe();
762 keystr = sid_string_talloc(tmp_ctx, map->sid);
763 if (keystr == NULL) {
764 DEBUG(0, ("Out of memory!\n"));
765 ret = NT_STATUS_NO_MEMORY;
769 DEBUG(10,("Fetching record %s\n", keystr));
771 /* Check if sid is present in database */
772 data = dbwrap_fetch_bystring(ctx->db, tmp_ctx, keystr);
774 DEBUG(10,("Record %s not found\n", keystr));
775 ret = NT_STATUS_NONE_MAPPED;
779 /* What type of record is this ? */
780 if (sscanf((const char *)data.dptr, "UID %lu", &rec_id) == 1) { /* Try a UID record. */
781 map->xid.id = rec_id;
782 map->xid.type = ID_TYPE_UID;
783 DEBUG(10,("Found uid record %s -> %s \n", keystr, (const char *)data.dptr ));
786 } else if (sscanf((const char *)data.dptr, "GID %lu", &rec_id) == 1) { /* Try a GID record. */
787 map->xid.id = rec_id;
788 map->xid.type = ID_TYPE_GID;
789 DEBUG(10,("Found gid record %s -> %s \n", keystr, (const char *)data.dptr ));
792 } else { /* Unknown record type ! */
793 DEBUG(2, ("Found INVALID record %s -> %s\n", keystr, (const char *)data.dptr));
794 ret = NT_STATUS_INTERNAL_DB_ERROR;
797 /* apply filters before returning result */
798 if ((ctx->filter_low_id && (map->xid.id < ctx->filter_low_id)) ||
799 (ctx->filter_high_id && (map->xid.id > ctx->filter_high_id))) {
800 DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
801 map->xid.id, ctx->filter_low_id, ctx->filter_high_id));
802 ret = NT_STATUS_NONE_MAPPED;
806 talloc_free(tmp_ctx);
810 /**********************************
811 lookup a set of unix ids.
812 **********************************/
814 static NTSTATUS idmap_tdb_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
816 struct idmap_tdb_context *ctx;
820 /* initialize the status to avoid suprise */
821 for (i = 0; ids[i]; i++) {
822 ids[i]->status = ID_UNKNOWN;
825 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
827 for (i = 0; ids[i]; i++) {
828 ret = idmap_tdb_id_to_sid(ctx, ids[i]);
829 if ( ! NT_STATUS_IS_OK(ret)) {
831 /* if it is just a failed mapping continue */
832 if (NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
834 /* make sure it is marked as unmapped */
835 ids[i]->status = ID_UNMAPPED;
839 /* some fatal error occurred, return immediately */
843 /* all ok, id is mapped */
844 ids[i]->status = ID_MAPPED;
853 /**********************************
854 lookup a set of sids.
855 **********************************/
857 static NTSTATUS idmap_tdb_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
859 struct idmap_tdb_context *ctx;
863 /* initialize the status to avoid suprise */
864 for (i = 0; ids[i]; i++) {
865 ids[i]->status = ID_UNKNOWN;
868 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
870 for (i = 0; ids[i]; i++) {
871 ret = idmap_tdb_sid_to_id(ctx, ids[i]);
872 if ( ! NT_STATUS_IS_OK(ret)) {
874 /* if it is just a failed mapping continue */
875 if (NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
877 /* make sure it is marked as unmapped */
878 ids[i]->status = ID_UNMAPPED;
882 /* some fatal error occurred, return immediately */
886 /* all ok, id is mapped */
887 ids[i]->status = ID_MAPPED;
896 /**********************************
898 **********************************/
900 static NTSTATUS idmap_tdb_set_mapping(struct idmap_domain *dom,
901 const struct id_map *map)
903 struct idmap_tdb_context *ctx;
906 char *ksidstr, *kidstr;
909 if (!map || !map->sid) {
910 return NT_STATUS_INVALID_PARAMETER;
913 ksidstr = kidstr = NULL;
915 /* TODO: should we filter a set_mapping using low/high filters ? */
917 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
919 switch (map->xid.type) {
922 kidstr = talloc_asprintf(ctx, "UID %lu",
923 (unsigned long)map->xid.id);
927 kidstr = talloc_asprintf(ctx, "GID %lu",
928 (unsigned long)map->xid.id);
932 DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
933 return NT_STATUS_INVALID_PARAMETER;
936 if (kidstr == NULL) {
937 DEBUG(0, ("ERROR: Out of memory!\n"));
938 ret = NT_STATUS_NO_MEMORY;
942 if ((ksidstr = talloc_asprintf(
943 ctx, "%s", sid_to_fstring(tmp, map->sid))) == NULL) {
944 DEBUG(0, ("Out of memory!\n"));
945 ret = NT_STATUS_NO_MEMORY;
949 DEBUG(10, ("Storing %s <-> %s map\n", ksidstr, kidstr));
950 kid = string_term_tdb_data(kidstr);
951 ksid = string_term_tdb_data(ksidstr);
953 if (ctx->db->transaction_start(ctx->db) != 0) {
954 DEBUG(0, ("Failed to start transaction for %s\n",
956 ret = NT_STATUS_INTERNAL_DB_ERROR;
960 ret = dbwrap_store(ctx->db, ksid, kid, TDB_REPLACE);
961 if (!NT_STATUS_IS_OK(ret)) {
962 ctx->db->transaction_cancel(ctx->db);
963 DEBUG(0, ("Error storing SID -> ID (%s -> %s): %s\n",
964 ksidstr, kidstr, nt_errstr(ret)));
967 ret = dbwrap_store(ctx->db, kid, ksid, TDB_REPLACE);
968 if (!NT_STATUS_IS_OK(ret)) {
969 ctx->db->transaction_cancel(ctx->db);
970 DEBUG(0, ("Error storing ID -> SID (%s -> %s): %s\n",
971 kidstr, ksidstr, nt_errstr(ret)));
975 if (ctx->db->transaction_commit(ctx->db) != 0) {
976 DEBUG(0, ("Failed to commit transaction for (%s -> %s)\n",
978 ret = NT_STATUS_INTERNAL_DB_ERROR;
982 DEBUG(10,("Stored %s <-> %s\n", ksidstr, kidstr));
986 talloc_free(ksidstr);
991 /**********************************
993 **********************************/
995 static NTSTATUS idmap_tdb_remove_mapping(struct idmap_domain *dom,
996 const struct id_map *map)
998 struct idmap_tdb_context *ctx;
1000 TDB_DATA ksid, kid, data;
1001 char *ksidstr, *kidstr;
1004 if (!map || !map->sid) {
1005 return NT_STATUS_INVALID_PARAMETER;
1008 ksidstr = kidstr = NULL;
1011 /* TODO: should we filter a remove_mapping using low/high filters ? */
1013 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
1015 switch (map->xid.type) {
1018 kidstr = talloc_asprintf(ctx, "UID %lu",
1019 (unsigned long)map->xid.id);
1023 kidstr = talloc_asprintf(ctx, "GID %lu",
1024 (unsigned long)map->xid.id);
1028 DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
1029 return NT_STATUS_INVALID_PARAMETER;
1032 if (kidstr == NULL) {
1033 DEBUG(0, ("ERROR: Out of memory!\n"));
1034 ret = NT_STATUS_NO_MEMORY;
1038 if ((ksidstr = talloc_asprintf(
1039 ctx, "%s", sid_to_fstring(tmp, map->sid))) == NULL) {
1040 DEBUG(0, ("Out of memory!\n"));
1041 ret = NT_STATUS_NO_MEMORY;
1045 DEBUG(10, ("Checking %s <-> %s map\n", ksidstr, kidstr));
1046 ksid = string_term_tdb_data(ksidstr);
1047 kid = string_term_tdb_data(kidstr);
1049 if (ctx->db->transaction_start(ctx->db) != 0) {
1050 DEBUG(0, ("Failed to start transaction for %s\n",
1052 return NT_STATUS_INTERNAL_DB_ERROR;
1055 /* Check if sid is present in database */
1056 data = dbwrap_fetch(ctx->db, NULL, ksid);
1058 ctx->db->transaction_cancel(ctx->db);
1059 DEBUG(10,("Record %s not found\n", ksidstr));
1060 ret = NT_STATUS_NONE_MAPPED;
1064 /* Check if sid is mapped to the specified ID */
1065 if ((data.dsize != kid.dsize) ||
1066 (memcmp(data.dptr, kid.dptr, data.dsize) != 0)) {
1067 ctx->db->transaction_cancel(ctx->db);
1068 DEBUG(10,("Specified SID does not map to specified ID\n"));
1069 DEBUGADD(10,("Actual mapping is %s -> %s\n", ksidstr,
1070 (const char *)data.dptr));
1071 ret = NT_STATUS_NONE_MAPPED;
1075 DEBUG(10, ("Removing %s <-> %s map\n", ksidstr, kidstr));
1077 /* Delete previous mappings. */
1079 DEBUG(10, ("Deleting existing mapping %s -> %s\n", ksidstr, kidstr ));
1080 ret = dbwrap_delete(ctx->db, ksid);
1081 if (!NT_STATUS_IS_OK(ret)) {
1082 DEBUG(0,("Warning: Failed to delete %s: %s\n",
1083 ksidstr, nt_errstr(ret)));
1086 DEBUG(10,("Deleting existing mapping %s -> %s\n", kidstr, ksidstr ));
1087 ret = dbwrap_delete(ctx->db, kid);
1088 if (!NT_STATUS_IS_OK(ret)) {
1089 DEBUG(0,("Warning: Failed to delete %s: %s\n",
1090 kidstr, nt_errstr(ret)));
1093 if (ctx->db->transaction_commit(ctx->db) != 0) {
1094 DEBUG(0, ("Failed to commit transaction for (%s -> %s)\n",
1096 ret = NT_STATUS_INTERNAL_DB_ERROR;
1103 talloc_free(ksidstr);
1104 talloc_free(kidstr);
1105 talloc_free(data.dptr);
1109 /**********************************
1110 Close the idmap tdb instance
1111 **********************************/
1113 static NTSTATUS idmap_tdb_close(struct idmap_domain *dom)
1115 struct idmap_tdb_context *ctx;
1117 if (dom->private_data) {
1118 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
1120 TALLOC_FREE(ctx->db);
1122 return NT_STATUS_OK;
1127 struct id_map **maps;
1132 static int idmap_tdb_dump_one_entry(struct db_record *rec, void *pdata)
1134 struct dump_data *data = talloc_get_type(pdata, struct dump_data);
1135 struct id_map *maps;
1136 int num_maps = *data->num_maps;
1138 /* ignore any record but the ones with a SID as key */
1139 if (strncmp((const char *)rec->key.dptr, "S-", 2) == 0) {
1141 maps = talloc_realloc(NULL, *data->maps, struct id_map, num_maps+1);
1143 DEBUG(0, ("Out of memory!\n"));
1144 data->ret = NT_STATUS_NO_MEMORY;
1148 maps[num_maps].sid = talloc(maps, DOM_SID);
1149 if ( ! maps[num_maps].sid) {
1150 DEBUG(0, ("Out of memory!\n"));
1151 data->ret = NT_STATUS_NO_MEMORY;
1155 if (!string_to_sid(maps[num_maps].sid, (const char *)rec->key.dptr)) {
1156 DEBUG(10,("INVALID record %s\n", (const char *)rec->key.dptr));
1157 /* continue even with errors */
1161 /* Try a UID record. */
1162 if (sscanf((const char *)rec->value.dptr, "UID %u", &(maps[num_maps].xid.id)) == 1) {
1163 maps[num_maps].xid.type = ID_TYPE_UID;
1164 maps[num_maps].status = ID_MAPPED;
1165 *data->num_maps = num_maps + 1;
1167 /* Try a GID record. */
1169 if (sscanf((const char *)rec->value.dptr, "GID %u", &(maps[num_maps].xid.id)) == 1) {
1170 maps[num_maps].xid.type = ID_TYPE_GID;
1171 maps[num_maps].status = ID_MAPPED;
1172 *data->num_maps = num_maps + 1;
1174 /* Unknown record type ! */
1176 maps[num_maps].status = ID_UNKNOWN;
1177 DEBUG(2, ("Found INVALID record %s -> %s\n",
1178 (const char *)rec->key.dptr,
1179 (const char *)rec->value.dptr));
1180 /* do not increment num_maps */
1187 /**********************************
1188 Dump all mappings out
1189 **********************************/
1191 static NTSTATUS idmap_tdb_dump_data(struct idmap_domain *dom, struct id_map **maps, int *num_maps)
1193 struct idmap_tdb_context *ctx;
1194 struct dump_data *data;
1195 NTSTATUS ret = NT_STATUS_OK;
1197 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
1199 data = TALLOC_ZERO_P(ctx, struct dump_data);
1201 DEBUG(0, ("Out of memory!\n"));
1202 return NT_STATUS_NO_MEMORY;
1205 data->num_maps = num_maps;
1206 data->ret = NT_STATUS_OK;
1208 ctx->db->traverse_read(ctx->db, idmap_tdb_dump_one_entry, data);
1210 if ( ! NT_STATUS_IS_OK(data->ret)) {
1218 static struct idmap_methods db_methods = {
1220 .init = idmap_tdb_db_init,
1221 .unixids_to_sids = idmap_tdb_unixids_to_sids,
1222 .sids_to_unixids = idmap_tdb_sids_to_unixids,
1223 .set_mapping = idmap_tdb_set_mapping,
1224 .remove_mapping = idmap_tdb_remove_mapping,
1225 .dump_data = idmap_tdb_dump_data,
1226 .close_fn = idmap_tdb_close
1229 static struct idmap_alloc_methods db_alloc_methods = {
1231 .init = idmap_tdb_alloc_init,
1232 .allocate_id = idmap_tdb_allocate_id,
1233 .get_id_hwm = idmap_tdb_get_hwm,
1234 .set_id_hwm = idmap_tdb_set_hwm,
1235 .close_fn = idmap_tdb_alloc_close
1238 NTSTATUS idmap_alloc_tdb_init(void)
1240 return smb_register_idmap_alloc(SMB_IDMAP_INTERFACE_VERSION, "tdb", &db_alloc_methods);
1243 NTSTATUS idmap_tdb_init(void)
1247 DEBUG(10, ("calling idmap_tdb_init\n"));
1249 /* FIXME: bad hack to actually register also the alloc_tdb module without changining configure.in */
1250 ret = idmap_alloc_tdb_init();
1251 if (! NT_STATUS_IS_OK(ret)) {
1254 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "tdb", &db_methods);