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 format, 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 DEBUG(10, ("idmap_tdb_db_init called for domain '%s'\n", dom->name));
600 ctx = talloc(dom, struct idmap_tdb_context);
602 DEBUG(0, ("Out of memory!\n"));
603 return NT_STATUS_NO_MEMORY;
606 if (strequal(dom->name, "*")) {
612 ctx->filter_low_id = 0;
613 ctx->filter_high_id = 0;
615 if (lp_idmap_uid(&low_uid, &high_uid)) {
616 ctx->filter_low_id = low_uid;
617 ctx->filter_high_id = high_uid;
619 DEBUG(3, ("Warning: 'idmap uid' not set!\n"));
622 if (lp_idmap_gid(&low_gid, &high_gid)) {
623 if ((low_gid != low_uid) || (high_gid != high_uid)) {
624 DEBUG(1, ("Warning: 'idmap uid' and 'idmap gid'"
625 " ranges do not agree -- building "
627 ctx->filter_low_id = MAX(ctx->filter_low_id,
629 ctx->filter_high_id = MIN(ctx->filter_high_id,
633 DEBUG(3, ("Warning: 'idmap gid' not set!\n"));
636 char *config_option = NULL;
639 config_option = talloc_asprintf(ctx, "idmap config %s", dom->name);
640 if ( ! config_option) {
641 DEBUG(0, ("Out of memory!\n"));
642 ret = NT_STATUS_NO_MEMORY;
646 range = lp_parm_const_string(-1, config_option, "range", NULL);
648 (sscanf(range, "%u - %u", &ctx->filter_low_id, &ctx->filter_high_id) != 2))
650 ctx->filter_low_id = 0;
651 ctx->filter_high_id = 0;
654 talloc_free(config_option);
657 if (ctx->filter_low_id > ctx->filter_high_id) {
658 ctx->filter_low_id = 0;
659 ctx->filter_high_id = 0;
662 DEBUG(10, ("idmap_tdb_db_init: filter range %u-%u loaded for domain "
663 "'%s'\n", ctx->filter_low_id, ctx->filter_high_id, dom->name));
665 ret = idmap_tdb_open_db(ctx, false, &ctx->db);
666 if ( ! NT_STATUS_IS_OK(ret)) {
670 dom->private_data = ctx;
679 /**********************************
680 Single id to sid lookup function.
681 **********************************/
683 static NTSTATUS idmap_tdb_id_to_sid(struct idmap_tdb_context *ctx, struct id_map *map)
690 return NT_STATUS_INVALID_PARAMETER;
693 /* apply filters before checking */
694 if ((ctx->filter_low_id && (map->xid.id < ctx->filter_low_id)) ||
695 (ctx->filter_high_id && (map->xid.id > ctx->filter_high_id))) {
696 DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
697 map->xid.id, ctx->filter_low_id, ctx->filter_high_id));
698 return NT_STATUS_NONE_MAPPED;
701 switch (map->xid.type) {
704 keystr = talloc_asprintf(ctx, "UID %lu", (unsigned long)map->xid.id);
708 keystr = talloc_asprintf(ctx, "GID %lu", (unsigned long)map->xid.id);
712 DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
713 return NT_STATUS_INVALID_PARAMETER;
716 /* final SAFE_FREE safe */
719 if (keystr == NULL) {
720 DEBUG(0, ("Out of memory!\n"));
721 ret = NT_STATUS_NO_MEMORY;
725 DEBUG(10,("Fetching record %s\n", keystr));
727 /* Check if the mapping exists */
728 data = dbwrap_fetch_bystring(ctx->db, NULL, keystr);
731 DEBUG(10,("Record %s not found\n", keystr));
732 ret = NT_STATUS_NONE_MAPPED;
736 if (!string_to_sid(map->sid, (const char *)data.dptr)) {
737 DEBUG(10,("INVALID SID (%s) in record %s\n",
738 (const char *)data.dptr, keystr));
739 ret = NT_STATUS_INTERNAL_DB_ERROR;
743 DEBUG(10,("Found record %s -> %s\n", keystr, (const char *)data.dptr));
747 talloc_free(data.dptr);
752 /**********************************
753 Single sid to id lookup function.
754 **********************************/
756 static NTSTATUS idmap_tdb_sid_to_id(struct idmap_tdb_context *ctx, struct id_map *map)
761 unsigned long rec_id = 0;
762 TALLOC_CTX *tmp_ctx = talloc_stackframe();
764 keystr = sid_string_talloc(tmp_ctx, map->sid);
765 if (keystr == NULL) {
766 DEBUG(0, ("Out of memory!\n"));
767 ret = NT_STATUS_NO_MEMORY;
771 DEBUG(10,("Fetching record %s\n", keystr));
773 /* Check if sid is present in database */
774 data = dbwrap_fetch_bystring(ctx->db, tmp_ctx, keystr);
776 DEBUG(10,("Record %s not found\n", keystr));
777 ret = NT_STATUS_NONE_MAPPED;
781 /* What type of record is this ? */
782 if (sscanf((const char *)data.dptr, "UID %lu", &rec_id) == 1) { /* Try a UID record. */
783 map->xid.id = rec_id;
784 map->xid.type = ID_TYPE_UID;
785 DEBUG(10,("Found uid record %s -> %s \n", keystr, (const char *)data.dptr ));
788 } else if (sscanf((const char *)data.dptr, "GID %lu", &rec_id) == 1) { /* Try a GID record. */
789 map->xid.id = rec_id;
790 map->xid.type = ID_TYPE_GID;
791 DEBUG(10,("Found gid record %s -> %s \n", keystr, (const char *)data.dptr ));
794 } else { /* Unknown record type ! */
795 DEBUG(2, ("Found INVALID record %s -> %s\n", keystr, (const char *)data.dptr));
796 ret = NT_STATUS_INTERNAL_DB_ERROR;
799 /* apply filters before returning result */
800 if ((ctx->filter_low_id && (map->xid.id < ctx->filter_low_id)) ||
801 (ctx->filter_high_id && (map->xid.id > ctx->filter_high_id))) {
802 DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
803 map->xid.id, ctx->filter_low_id, ctx->filter_high_id));
804 ret = NT_STATUS_NONE_MAPPED;
808 talloc_free(tmp_ctx);
812 /**********************************
813 lookup a set of unix ids.
814 **********************************/
816 static NTSTATUS idmap_tdb_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
818 struct idmap_tdb_context *ctx;
822 /* initialize the status to avoid suprise */
823 for (i = 0; ids[i]; i++) {
824 ids[i]->status = ID_UNKNOWN;
827 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
829 for (i = 0; ids[i]; i++) {
830 ret = idmap_tdb_id_to_sid(ctx, ids[i]);
831 if ( ! NT_STATUS_IS_OK(ret)) {
833 /* if it is just a failed mapping continue */
834 if (NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
836 /* make sure it is marked as unmapped */
837 ids[i]->status = ID_UNMAPPED;
841 /* some fatal error occurred, return immediately */
845 /* all ok, id is mapped */
846 ids[i]->status = ID_MAPPED;
855 /**********************************
856 lookup a set of sids.
857 **********************************/
859 static NTSTATUS idmap_tdb_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
861 struct idmap_tdb_context *ctx;
865 /* initialize the status to avoid suprise */
866 for (i = 0; ids[i]; i++) {
867 ids[i]->status = ID_UNKNOWN;
870 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
872 for (i = 0; ids[i]; i++) {
873 ret = idmap_tdb_sid_to_id(ctx, ids[i]);
874 if ( ! NT_STATUS_IS_OK(ret)) {
876 /* if it is just a failed mapping continue */
877 if (NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
879 /* make sure it is marked as unmapped */
880 ids[i]->status = ID_UNMAPPED;
884 /* some fatal error occurred, return immediately */
888 /* all ok, id is mapped */
889 ids[i]->status = ID_MAPPED;
898 /**********************************
900 **********************************/
902 static NTSTATUS idmap_tdb_set_mapping(struct idmap_domain *dom,
903 const struct id_map *map)
905 struct idmap_tdb_context *ctx;
908 char *ksidstr, *kidstr;
911 if (!map || !map->sid) {
912 return NT_STATUS_INVALID_PARAMETER;
915 ksidstr = kidstr = NULL;
917 /* TODO: should we filter a set_mapping using low/high filters ? */
919 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
921 switch (map->xid.type) {
924 kidstr = talloc_asprintf(ctx, "UID %lu",
925 (unsigned long)map->xid.id);
929 kidstr = talloc_asprintf(ctx, "GID %lu",
930 (unsigned long)map->xid.id);
934 DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
935 return NT_STATUS_INVALID_PARAMETER;
938 if (kidstr == NULL) {
939 DEBUG(0, ("ERROR: Out of memory!\n"));
940 ret = NT_STATUS_NO_MEMORY;
944 if ((ksidstr = talloc_asprintf(
945 ctx, "%s", sid_to_fstring(tmp, map->sid))) == NULL) {
946 DEBUG(0, ("Out of memory!\n"));
947 ret = NT_STATUS_NO_MEMORY;
951 DEBUG(10, ("Storing %s <-> %s map\n", ksidstr, kidstr));
952 kid = string_term_tdb_data(kidstr);
953 ksid = string_term_tdb_data(ksidstr);
955 if (ctx->db->transaction_start(ctx->db) != 0) {
956 DEBUG(0, ("Failed to start transaction for %s\n",
958 ret = NT_STATUS_INTERNAL_DB_ERROR;
962 ret = dbwrap_store(ctx->db, ksid, kid, TDB_REPLACE);
963 if (!NT_STATUS_IS_OK(ret)) {
964 ctx->db->transaction_cancel(ctx->db);
965 DEBUG(0, ("Error storing SID -> ID (%s -> %s): %s\n",
966 ksidstr, kidstr, nt_errstr(ret)));
969 ret = dbwrap_store(ctx->db, kid, ksid, TDB_REPLACE);
970 if (!NT_STATUS_IS_OK(ret)) {
971 ctx->db->transaction_cancel(ctx->db);
972 DEBUG(0, ("Error storing ID -> SID (%s -> %s): %s\n",
973 kidstr, ksidstr, nt_errstr(ret)));
977 if (ctx->db->transaction_commit(ctx->db) != 0) {
978 DEBUG(0, ("Failed to commit transaction for (%s -> %s)\n",
980 ret = NT_STATUS_INTERNAL_DB_ERROR;
984 DEBUG(10,("Stored %s <-> %s\n", ksidstr, kidstr));
988 talloc_free(ksidstr);
993 /**********************************
995 **********************************/
997 static NTSTATUS idmap_tdb_remove_mapping(struct idmap_domain *dom,
998 const struct id_map *map)
1000 struct idmap_tdb_context *ctx;
1002 TDB_DATA ksid, kid, data;
1003 char *ksidstr, *kidstr;
1006 if (!map || !map->sid) {
1007 return NT_STATUS_INVALID_PARAMETER;
1010 ksidstr = kidstr = NULL;
1013 /* TODO: should we filter a remove_mapping using low/high filters ? */
1015 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
1017 switch (map->xid.type) {
1020 kidstr = talloc_asprintf(ctx, "UID %lu",
1021 (unsigned long)map->xid.id);
1025 kidstr = talloc_asprintf(ctx, "GID %lu",
1026 (unsigned long)map->xid.id);
1030 DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
1031 return NT_STATUS_INVALID_PARAMETER;
1034 if (kidstr == NULL) {
1035 DEBUG(0, ("ERROR: Out of memory!\n"));
1036 ret = NT_STATUS_NO_MEMORY;
1040 if ((ksidstr = talloc_asprintf(
1041 ctx, "%s", sid_to_fstring(tmp, map->sid))) == NULL) {
1042 DEBUG(0, ("Out of memory!\n"));
1043 ret = NT_STATUS_NO_MEMORY;
1047 DEBUG(10, ("Checking %s <-> %s map\n", ksidstr, kidstr));
1048 ksid = string_term_tdb_data(ksidstr);
1049 kid = string_term_tdb_data(kidstr);
1051 if (ctx->db->transaction_start(ctx->db) != 0) {
1052 DEBUG(0, ("Failed to start transaction for %s\n",
1054 return NT_STATUS_INTERNAL_DB_ERROR;
1057 /* Check if sid is present in database */
1058 data = dbwrap_fetch(ctx->db, NULL, ksid);
1060 ctx->db->transaction_cancel(ctx->db);
1061 DEBUG(10,("Record %s not found\n", ksidstr));
1062 ret = NT_STATUS_NONE_MAPPED;
1066 /* Check if sid is mapped to the specified ID */
1067 if ((data.dsize != kid.dsize) ||
1068 (memcmp(data.dptr, kid.dptr, data.dsize) != 0)) {
1069 ctx->db->transaction_cancel(ctx->db);
1070 DEBUG(10,("Specified SID does not map to specified ID\n"));
1071 DEBUGADD(10,("Actual mapping is %s -> %s\n", ksidstr,
1072 (const char *)data.dptr));
1073 ret = NT_STATUS_NONE_MAPPED;
1077 DEBUG(10, ("Removing %s <-> %s map\n", ksidstr, kidstr));
1079 /* Delete previous mappings. */
1081 DEBUG(10, ("Deleting existing mapping %s -> %s\n", ksidstr, kidstr ));
1082 ret = dbwrap_delete(ctx->db, ksid);
1083 if (!NT_STATUS_IS_OK(ret)) {
1084 DEBUG(0,("Warning: Failed to delete %s: %s\n",
1085 ksidstr, nt_errstr(ret)));
1088 DEBUG(10,("Deleting existing mapping %s -> %s\n", kidstr, ksidstr ));
1089 ret = dbwrap_delete(ctx->db, kid);
1090 if (!NT_STATUS_IS_OK(ret)) {
1091 DEBUG(0,("Warning: Failed to delete %s: %s\n",
1092 kidstr, nt_errstr(ret)));
1095 if (ctx->db->transaction_commit(ctx->db) != 0) {
1096 DEBUG(0, ("Failed to commit transaction for (%s -> %s)\n",
1098 ret = NT_STATUS_INTERNAL_DB_ERROR;
1105 talloc_free(ksidstr);
1106 talloc_free(kidstr);
1107 talloc_free(data.dptr);
1111 /**********************************
1112 Close the idmap tdb instance
1113 **********************************/
1115 static NTSTATUS idmap_tdb_close(struct idmap_domain *dom)
1117 struct idmap_tdb_context *ctx;
1119 if (dom->private_data) {
1120 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
1122 TALLOC_FREE(ctx->db);
1124 return NT_STATUS_OK;
1129 struct id_map **maps;
1134 static int idmap_tdb_dump_one_entry(struct db_record *rec, void *pdata)
1136 struct dump_data *data = talloc_get_type(pdata, struct dump_data);
1137 struct id_map *maps;
1138 int num_maps = *data->num_maps;
1140 /* ignore any record but the ones with a SID as key */
1141 if (strncmp((const char *)rec->key.dptr, "S-", 2) == 0) {
1143 maps = talloc_realloc(NULL, *data->maps, struct id_map, num_maps+1);
1145 DEBUG(0, ("Out of memory!\n"));
1146 data->ret = NT_STATUS_NO_MEMORY;
1150 maps[num_maps].sid = talloc(maps, DOM_SID);
1151 if ( ! maps[num_maps].sid) {
1152 DEBUG(0, ("Out of memory!\n"));
1153 data->ret = NT_STATUS_NO_MEMORY;
1157 if (!string_to_sid(maps[num_maps].sid, (const char *)rec->key.dptr)) {
1158 DEBUG(10,("INVALID record %s\n", (const char *)rec->key.dptr));
1159 /* continue even with errors */
1163 /* Try a UID record. */
1164 if (sscanf((const char *)rec->value.dptr, "UID %u", &(maps[num_maps].xid.id)) == 1) {
1165 maps[num_maps].xid.type = ID_TYPE_UID;
1166 maps[num_maps].status = ID_MAPPED;
1167 *data->num_maps = num_maps + 1;
1169 /* Try a GID record. */
1171 if (sscanf((const char *)rec->value.dptr, "GID %u", &(maps[num_maps].xid.id)) == 1) {
1172 maps[num_maps].xid.type = ID_TYPE_GID;
1173 maps[num_maps].status = ID_MAPPED;
1174 *data->num_maps = num_maps + 1;
1176 /* Unknown record type ! */
1178 maps[num_maps].status = ID_UNKNOWN;
1179 DEBUG(2, ("Found INVALID record %s -> %s\n",
1180 (const char *)rec->key.dptr,
1181 (const char *)rec->value.dptr));
1182 /* do not increment num_maps */
1189 /**********************************
1190 Dump all mappings out
1191 **********************************/
1193 static NTSTATUS idmap_tdb_dump_data(struct idmap_domain *dom, struct id_map **maps, int *num_maps)
1195 struct idmap_tdb_context *ctx;
1196 struct dump_data *data;
1197 NTSTATUS ret = NT_STATUS_OK;
1199 ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
1201 data = TALLOC_ZERO_P(ctx, struct dump_data);
1203 DEBUG(0, ("Out of memory!\n"));
1204 return NT_STATUS_NO_MEMORY;
1207 data->num_maps = num_maps;
1208 data->ret = NT_STATUS_OK;
1210 ctx->db->traverse_read(ctx->db, idmap_tdb_dump_one_entry, data);
1212 if ( ! NT_STATUS_IS_OK(data->ret)) {
1220 static struct idmap_methods db_methods = {
1222 .init = idmap_tdb_db_init,
1223 .unixids_to_sids = idmap_tdb_unixids_to_sids,
1224 .sids_to_unixids = idmap_tdb_sids_to_unixids,
1225 .set_mapping = idmap_tdb_set_mapping,
1226 .remove_mapping = idmap_tdb_remove_mapping,
1227 .dump_data = idmap_tdb_dump_data,
1228 .close_fn = idmap_tdb_close
1231 static struct idmap_alloc_methods db_alloc_methods = {
1233 .init = idmap_tdb_alloc_init,
1234 .allocate_id = idmap_tdb_allocate_id,
1235 .get_id_hwm = idmap_tdb_get_hwm,
1236 .set_id_hwm = idmap_tdb_set_hwm,
1237 .close_fn = idmap_tdb_alloc_close
1240 NTSTATUS idmap_alloc_tdb_init(void)
1242 return smb_register_idmap_alloc(SMB_IDMAP_INTERFACE_VERSION, "tdb", &db_alloc_methods);
1245 NTSTATUS idmap_tdb_init(void)
1249 DEBUG(10, ("calling idmap_tdb_init\n"));
1251 /* FIXME: bad hack to actually register also the alloc_tdb module without changining configure.in */
1252 ret = idmap_alloc_tdb_init();
1253 if (! NT_STATUS_IS_OK(ret)) {
1256 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "tdb", &db_methods);