2 Unix SMB/CIFS implementation.
4 Copyright (C) Stefan Metzmacher 2011-2012
5 Copyright (C) Michael Adam 2012
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "system/filesys.h"
23 #include "lib/util/server_id.h"
24 #include "smbd/smbd.h"
25 #include "smbd/globals.h"
26 #include "dbwrap/dbwrap.h"
27 #include "dbwrap/dbwrap_rbt.h"
28 #include "dbwrap/dbwrap_open.h"
30 #include "lib/util/util_tdb.h"
31 #include "librpc/gen_ndr/ndr_smbXsrv.h"
33 #include "source3/include/util_tdb.h"
35 struct smbXsrv_tcon_table {
37 struct db_context *db_ctx;
44 struct db_context *db_ctx;
48 static struct db_context *smbXsrv_tcon_global_db_ctx = NULL;
50 NTSTATUS smbXsrv_tcon_global_init(void)
52 char *global_path = NULL;
53 struct db_context *db_ctx = NULL;
55 if (smbXsrv_tcon_global_db_ctx != NULL) {
59 global_path = lock_path(talloc_tos(), "smbXsrv_tcon_global.tdb");
60 if (global_path == NULL) {
61 return NT_STATUS_NO_MEMORY;
64 db_ctx = db_open(NULL, global_path,
65 SMBD_VOLATILE_TDB_HASH_SIZE,
66 SMBD_VOLATILE_TDB_FLAGS,
67 O_RDWR | O_CREAT, 0600,
70 TALLOC_FREE(global_path);
74 status = map_nt_error_from_unix_common(errno);
79 smbXsrv_tcon_global_db_ctx = db_ctx;
86 * We need to store the keys in big endian so that dbwrap_rbt's memcmp
87 * has the same result as integer comparison between the uint32_t
90 * TODO: implement string based key
93 #define SMBXSRV_TCON_GLOBAL_TDB_KEY_SIZE sizeof(uint32_t)
95 static TDB_DATA smbXsrv_tcon_global_id_to_key(uint32_t id,
100 RSIVAL(key_buf, 0, id);
102 key = make_tdb_data(key_buf, SMBXSRV_TCON_GLOBAL_TDB_KEY_SIZE);
108 static NTSTATUS smbXsrv_tcon_global_key_to_id(TDB_DATA key, uint32_t *id)
111 return NT_STATUS_INVALID_PARAMETER;
114 if (key.dsize != SMBXSRV_TCON_GLOBAL_TDB_KEY_SIZE) {
115 return NT_STATUS_INTERNAL_DB_CORRUPTION;
118 *id = RIVAL(key.dptr, 0);
124 #define SMBXSRV_TCON_LOCAL_TDB_KEY_SIZE sizeof(uint32_t)
126 static TDB_DATA smbXsrv_tcon_local_id_to_key(uint32_t id,
131 RSIVAL(key_buf, 0, id);
133 key = make_tdb_data(key_buf, SMBXSRV_TCON_LOCAL_TDB_KEY_SIZE);
138 static NTSTATUS smbXsrv_tcon_local_key_to_id(TDB_DATA key, uint32_t *id)
141 return NT_STATUS_INVALID_PARAMETER;
144 if (key.dsize != SMBXSRV_TCON_LOCAL_TDB_KEY_SIZE) {
145 return NT_STATUS_INTERNAL_DB_CORRUPTION;
148 *id = RIVAL(key.dptr, 0);
153 static struct db_record *smbXsrv_tcon_global_fetch_locked(
154 struct db_context *db,
159 uint8_t key_buf[SMBXSRV_TCON_GLOBAL_TDB_KEY_SIZE];
160 struct db_record *rec = NULL;
162 key = smbXsrv_tcon_global_id_to_key(id, key_buf);
164 rec = dbwrap_fetch_locked(db, mem_ctx, key);
167 DBG_DEBUG("Failed to lock global id 0x%08x, key '%s'\n", id,
174 static struct db_record *smbXsrv_tcon_local_fetch_locked(
175 struct db_context *db,
180 uint8_t key_buf[SMBXSRV_TCON_LOCAL_TDB_KEY_SIZE];
181 struct db_record *rec = NULL;
183 key = smbXsrv_tcon_local_id_to_key(id, key_buf);
185 rec = dbwrap_fetch_locked(db, mem_ctx, key);
188 DBG_DEBUG("Failed to lock local id 0x%08x, key '%s'\n", id,
195 static NTSTATUS smbXsrv_tcon_table_init(TALLOC_CTX *mem_ctx,
196 struct smbXsrv_tcon_table *table,
204 if (lowest_id > highest_id) {
205 return NT_STATUS_INTERNAL_ERROR;
208 max_range = highest_id;
209 max_range -= lowest_id;
212 if (max_tcons > max_range) {
213 return NT_STATUS_INTERNAL_ERROR;
217 table->local.db_ctx = db_open_rbt(table);
218 if (table->local.db_ctx == NULL) {
219 return NT_STATUS_NO_MEMORY;
221 table->local.lowest_id = lowest_id;
222 table->local.highest_id = highest_id;
223 table->local.max_tcons = max_tcons;
225 status = smbXsrv_tcon_global_init();
226 if (!NT_STATUS_IS_OK(status)) {
230 table->global.db_ctx = smbXsrv_tcon_global_db_ctx;
235 struct smb1srv_tcon_local_allocate_state {
236 const uint32_t lowest_id;
237 const uint32_t highest_id;
243 static int smb1srv_tcon_local_allocate_traverse(struct db_record *rec,
246 struct smb1srv_tcon_local_allocate_state *state =
247 (struct smb1srv_tcon_local_allocate_state *)private_data;
248 TDB_DATA key = dbwrap_record_get_key(rec);
252 status = smbXsrv_tcon_local_key_to_id(key, &id);
253 if (!NT_STATUS_IS_OK(status)) {
254 state->status = status;
258 if (id <= state->last_id) {
259 state->status = NT_STATUS_INTERNAL_DB_CORRUPTION;
264 if (id > state->useable_id) {
265 state->status = NT_STATUS_OK;
269 if (state->useable_id == state->highest_id) {
270 state->status = NT_STATUS_INSUFFICIENT_RESOURCES;
274 state->useable_id +=1;
278 static NTSTATUS smb1srv_tcon_local_allocate_id(struct db_context *db,
282 struct db_record **_rec,
285 struct smb1srv_tcon_local_allocate_state state = {
286 .lowest_id = lowest_id,
287 .highest_id = highest_id,
289 .useable_id = lowest_id,
290 .status = NT_STATUS_INTERNAL_ERROR,
300 if (lowest_id > highest_id) {
301 return NT_STATUS_INSUFFICIENT_RESOURCES;
305 * first we try randomly
307 range = (highest_id - lowest_id) + 1;
309 for (i = 0; i < (range / 2); i++) {
312 struct db_record *rec = NULL;
314 id = generate_random() % range;
317 if (id < lowest_id) {
320 if (id > highest_id) {
324 rec = smbXsrv_tcon_local_fetch_locked(db, id, mem_ctx);
326 return NT_STATUS_INSUFFICIENT_RESOURCES;
329 val = dbwrap_record_get_value(rec);
330 if (val.dsize != 0) {
341 * if the range is almost full,
342 * we traverse the whole table
343 * (this relies on sorted behavior of dbwrap_rbt)
345 status = dbwrap_traverse_read(db, smb1srv_tcon_local_allocate_traverse,
347 if (NT_STATUS_IS_OK(status)) {
348 if (NT_STATUS_IS_OK(state.status)) {
349 return NT_STATUS_INTERNAL_ERROR;
352 if (!NT_STATUS_EQUAL(state.status, NT_STATUS_INTERNAL_ERROR)) {
356 if (state.useable_id <= state.highest_id) {
357 state.status = NT_STATUS_OK;
359 return NT_STATUS_INSUFFICIENT_RESOURCES;
361 } else if (!NT_STATUS_EQUAL(status, NT_STATUS_INTERNAL_DB_CORRUPTION)) {
363 * Here we really expect NT_STATUS_INTERNAL_DB_CORRUPTION!
365 * If we get anything else it is an error, because it
366 * means we did not manage to find a free slot in
369 return NT_STATUS_INSUFFICIENT_RESOURCES;
372 if (NT_STATUS_IS_OK(state.status)) {
375 struct db_record *rec = NULL;
377 id = state.useable_id;
379 rec = smbXsrv_tcon_local_fetch_locked(db, id, mem_ctx);
381 return NT_STATUS_INSUFFICIENT_RESOURCES;
384 val = dbwrap_record_get_value(rec);
385 if (val.dsize != 0) {
387 return NT_STATUS_INTERNAL_DB_CORRUPTION;
398 struct smbXsrv_tcon_local_fetch_state {
399 struct smbXsrv_tcon *tcon;
403 static void smbXsrv_tcon_local_fetch_parser(TDB_DATA key, TDB_DATA data,
406 struct smbXsrv_tcon_local_fetch_state *state =
407 (struct smbXsrv_tcon_local_fetch_state *)private_data;
410 if (data.dsize != sizeof(ptr)) {
411 state->status = NT_STATUS_INTERNAL_DB_ERROR;
415 memcpy(&ptr, data.dptr, data.dsize);
416 state->tcon = talloc_get_type_abort(ptr, struct smbXsrv_tcon);
417 state->status = NT_STATUS_OK;
420 static NTSTATUS smbXsrv_tcon_local_lookup(struct smbXsrv_tcon_table *table,
421 uint32_t tcon_local_id,
423 struct smbXsrv_tcon **_tcon)
425 struct smbXsrv_tcon_local_fetch_state state = {
427 .status = NT_STATUS_INTERNAL_ERROR,
429 uint8_t key_buf[SMBXSRV_TCON_LOCAL_TDB_KEY_SIZE];
435 if (tcon_local_id == 0) {
436 return NT_STATUS_NETWORK_NAME_DELETED;
440 /* this might happen before the end of negprot */
441 return NT_STATUS_NETWORK_NAME_DELETED;
444 if (table->local.db_ctx == NULL) {
445 return NT_STATUS_INTERNAL_ERROR;
448 key = smbXsrv_tcon_local_id_to_key(tcon_local_id, key_buf);
450 status = dbwrap_parse_record(table->local.db_ctx, key,
451 smbXsrv_tcon_local_fetch_parser,
453 if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
454 return NT_STATUS_NETWORK_NAME_DELETED;
455 } else if (!NT_STATUS_IS_OK(status)) {
458 if (!NT_STATUS_IS_OK(state.status)) {
462 if (NT_STATUS_EQUAL(state.tcon->status, NT_STATUS_NETWORK_NAME_DELETED)) {
463 return NT_STATUS_NETWORK_NAME_DELETED;
466 state.tcon->idle_time = now;
469 return state.tcon->status;
472 static int smbXsrv_tcon_global_destructor(struct smbXsrv_tcon_global0 *global)
477 static void smbXsrv_tcon_global_verify_record(struct db_record *db_rec,
481 struct smbXsrv_tcon_global0 **_g);
483 static NTSTATUS smbXsrv_tcon_global_allocate(struct db_context *db,
485 struct smbXsrv_tcon_global0 **_global)
488 struct smbXsrv_tcon_global0 *global = NULL;
489 uint32_t last_free = 0;
490 const uint32_t min_tries = 3;
494 global = talloc_zero(mem_ctx, struct smbXsrv_tcon_global0);
495 if (global == NULL) {
496 return NT_STATUS_NO_MEMORY;
498 talloc_set_destructor(global, smbXsrv_tcon_global_destructor);
501 * Here we just randomly try the whole 32-bit space
503 * We use just 32-bit, because we want to reuse the
506 for (i = 0; i < UINT32_MAX; i++) {
507 bool is_free = false;
508 bool was_free = false;
511 if (i >= min_tries && last_free != 0) {
514 id = generate_random();
519 if (id == UINT32_MAX) {
523 global->db_rec = smbXsrv_tcon_global_fetch_locked(db, id,
525 if (global->db_rec == NULL) {
527 return NT_STATUS_INSUFFICIENT_RESOURCES;
530 smbXsrv_tcon_global_verify_record(global->db_rec,
536 TALLOC_FREE(global->db_rec);
540 if (!was_free && i < min_tries) {
542 * The session_id is free now,
543 * but was not free before.
545 * This happens if a smbd crashed
546 * and did not cleanup the record.
548 * If this is one of our first tries,
549 * then we try to find a real free one.
551 if (last_free == 0) {
554 TALLOC_FREE(global->db_rec);
558 global->tcon_global_id = id;
564 /* should not be reached */
566 return NT_STATUS_INTERNAL_ERROR;
569 static void smbXsrv_tcon_global_verify_record(struct db_record *db_rec,
573 struct smbXsrv_tcon_global0 **_g)
578 struct smbXsrv_tcon_globalB global_blob;
579 enum ndr_err_code ndr_err;
580 struct smbXsrv_tcon_global0 *global = NULL;
582 TALLOC_CTX *frame = talloc_stackframe();
593 key = dbwrap_record_get_key(db_rec);
595 val = dbwrap_record_get_value(db_rec);
596 if (val.dsize == 0) {
605 blob = data_blob_const(val.dptr, val.dsize);
607 ndr_err = ndr_pull_struct_blob(&blob, frame, &global_blob,
608 (ndr_pull_flags_fn_t)ndr_pull_smbXsrv_tcon_globalB);
609 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
610 NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
611 DBG_WARNING("key '%s' ndr_pull_struct_blob - %s\n",
618 DBG_DEBUG("smbXsrv_tcon_global_verify_record\n");
619 if (DEBUGLVL(DBGLVL_DEBUG)) {
620 NDR_PRINT_DEBUG(smbXsrv_tcon_globalB, &global_blob);
623 if (global_blob.version != SMBXSRV_VERSION_0) {
624 DBG_ERR("key '%s' uses unsupported version %u\n",
626 global_blob.version);
627 NDR_PRINT_DEBUG(smbXsrv_tcon_globalB, &global_blob);
632 global = global_blob.info.info0;
634 exists = serverid_exists(&global->server_id);
636 struct server_id_buf idbuf;
637 DBG_NOTICE("key '%s' server_id %s does not exist.\n",
639 server_id_str_buf(global->server_id, &idbuf));
640 if (DEBUGLVL(DBGLVL_NOTICE)) {
641 NDR_PRINT_DEBUG(smbXsrv_tcon_globalB, &global_blob);
644 dbwrap_record_delete(db_rec);
650 *_g = talloc_move(mem_ctx, &global);
655 static NTSTATUS smbXsrv_tcon_global_store(struct smbXsrv_tcon_global0 *global)
657 struct smbXsrv_tcon_globalB global_blob;
658 DATA_BLOB blob = data_blob_null;
662 enum ndr_err_code ndr_err;
665 * TODO: if we use other versions than '0'
666 * we would add glue code here, that would be able to
667 * store the information in the old format.
670 if (global->db_rec == NULL) {
671 return NT_STATUS_INTERNAL_ERROR;
674 key = dbwrap_record_get_key(global->db_rec);
675 val = dbwrap_record_get_value(global->db_rec);
677 ZERO_STRUCT(global_blob);
678 global_blob.version = smbXsrv_version_global_current();
679 if (val.dsize >= 8) {
680 global_blob.seqnum = IVAL(val.dptr, 4);
682 global_blob.seqnum += 1;
683 global_blob.info.info0 = global;
685 ndr_err = ndr_push_struct_blob(&blob, global->db_rec, &global_blob,
686 (ndr_push_flags_fn_t)ndr_push_smbXsrv_tcon_globalB);
687 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
688 status = ndr_map_error2ntstatus(ndr_err);
689 DBG_WARNING("key '%s' ndr_push - %s\n",
692 TALLOC_FREE(global->db_rec);
696 val = make_tdb_data(blob.data, blob.length);
697 status = dbwrap_record_store(global->db_rec, val, TDB_REPLACE);
698 if (!NT_STATUS_IS_OK(status)) {
699 DBG_WARNING("key '%s' store - %s\n",
702 TALLOC_FREE(global->db_rec);
706 if (DEBUGLVL(DBGLVL_DEBUG)) {
707 DBG_DEBUG("key '%s' stored\n", tdb_data_dbg(key));
708 NDR_PRINT_DEBUG(smbXsrv_tcon_globalB, &global_blob);
711 TALLOC_FREE(global->db_rec);
716 static int smbXsrv_tcon_destructor(struct smbXsrv_tcon *tcon)
720 status = smbXsrv_tcon_disconnect(tcon, 0);
721 if (!NT_STATUS_IS_OK(status)) {
722 DBG_ERR("smbXsrv_tcon_disconnect() failed - %s\n",
726 TALLOC_FREE(tcon->global);
731 static NTSTATUS smbXsrv_tcon_create(struct smbXsrv_tcon_table *table,
732 enum protocol_types protocol,
733 struct server_id server_id,
735 uint32_t session_global_id,
736 uint8_t encryption_flags,
737 const char *share_name,
738 struct smbXsrv_tcon **_tcon)
740 struct db_record *local_rec = NULL;
741 struct smbXsrv_tcon *tcon = NULL;
744 struct smbXsrv_tcon_global0 *global = NULL;
747 if (table->local.num_tcons >= table->local.max_tcons) {
748 return NT_STATUS_INSUFFICIENT_RESOURCES;
751 tcon = talloc_zero(table, struct smbXsrv_tcon);
753 return NT_STATUS_NO_MEMORY;
756 tcon->status = NT_STATUS_INTERNAL_ERROR;
757 tcon->idle_time = now;
759 status = smbXsrv_tcon_global_allocate(table->global.db_ctx,
761 if (!NT_STATUS_IS_OK(status)) {
765 tcon->global = global;
767 global->session_global_id = session_global_id;
768 global->encryption_flags = encryption_flags;
769 global->share_name = talloc_strdup(global, share_name);
770 if (global->share_name == NULL) {
772 return NT_STATUS_NO_MEMORY;
775 if (protocol >= PROTOCOL_SMB2_02) {
776 uint64_t id = global->tcon_global_id;
778 global->tcon_wire_id = id;
780 tcon->local_id = global->tcon_global_id;
782 local_rec = smbXsrv_tcon_local_fetch_locked(table->local.db_ctx,
784 tcon /* TALLOC_CTX */);
785 if (local_rec == NULL) {
787 return NT_STATUS_NO_MEMORY;
790 val = dbwrap_record_get_value(local_rec);
791 if (val.dsize != 0) {
793 return NT_STATUS_INTERNAL_DB_CORRUPTION;
797 status = smb1srv_tcon_local_allocate_id(table->local.db_ctx,
798 table->local.lowest_id,
799 table->local.highest_id,
803 if (!NT_STATUS_IS_OK(status)) {
808 global->tcon_wire_id = tcon->local_id;
811 global->creation_time = now;
813 global->server_id = server_id;
816 val = make_tdb_data((uint8_t const *)&ptr, sizeof(ptr));
817 status = dbwrap_record_store(local_rec, val, TDB_REPLACE);
818 TALLOC_FREE(local_rec);
819 if (!NT_STATUS_IS_OK(status)) {
823 table->local.num_tcons += 1;
825 talloc_set_destructor(tcon, smbXsrv_tcon_destructor);
827 status = smbXsrv_tcon_global_store(global);
828 if (!NT_STATUS_IS_OK(status)) {
829 DBG_ERR("global_id (0x%08x) store failed - %s\n",
830 tcon->global->tcon_global_id,
836 if (DEBUGLVL(DBGLVL_DEBUG)) {
837 struct smbXsrv_tconB tcon_blob = {
838 .version = SMBXSRV_VERSION_0,
842 DBG_DEBUG("global_id (0x%08x) stored\n",
843 tcon->global->tcon_global_id);
844 NDR_PRINT_DEBUG(smbXsrv_tconB, &tcon_blob);
851 NTSTATUS smbXsrv_tcon_update(struct smbXsrv_tcon *tcon)
853 struct smbXsrv_tcon_table *table = tcon->table;
856 if (tcon->global->db_rec != NULL) {
857 DBG_ERR("update(0x%08x): "
858 "Called with db_rec != NULL'\n",
859 tcon->global->tcon_global_id);
860 return NT_STATUS_INTERNAL_ERROR;
863 tcon->global->db_rec = smbXsrv_tcon_global_fetch_locked(
864 table->global.db_ctx,
865 tcon->global->tcon_global_id,
866 tcon->global /* TALLOC_CTX */);
867 if (tcon->global->db_rec == NULL) {
868 return NT_STATUS_INTERNAL_DB_ERROR;
871 status = smbXsrv_tcon_global_store(tcon->global);
872 if (!NT_STATUS_IS_OK(status)) {
873 DBG_ERR("global_id (0x%08x) store failed - %s\n",
874 tcon->global->tcon_global_id,
879 if (DEBUGLVL(DBGLVL_DEBUG)) {
880 struct smbXsrv_tconB tcon_blob = {
881 .version = SMBXSRV_VERSION_0,
885 DBG_DEBUG("global_id (0x%08x) stored\n",
886 tcon->global->tcon_global_id);
887 NDR_PRINT_DEBUG(smbXsrv_tconB, &tcon_blob);
893 NTSTATUS smbXsrv_tcon_disconnect(struct smbXsrv_tcon *tcon, uint64_t vuid)
895 struct smbXsrv_tcon_table *table;
896 struct db_record *local_rec = NULL;
897 struct db_record *global_rec = NULL;
899 NTSTATUS error = NT_STATUS_OK;
901 if (tcon->table == NULL) {
911 ok = chdir_current_service(tcon->compat);
913 status = NT_STATUS_INTERNAL_ERROR;
914 DBG_ERR("disconnect(0x%08x, '%s'): "
915 "chdir_current_service() failed: %s\n",
916 tcon->global->tcon_global_id,
917 tcon->global->share_name,
920 * We must call close_cnum() on
921 * error, as the caller is going
922 * to free tcon and tcon->compat
923 * so we must ensure tcon->compat is
924 * removed from the linked list
925 * conn->sconn->connections.
927 close_cnum(tcon->compat, vuid, ERROR_CLOSE);
932 close_cnum(tcon->compat, vuid, SHUTDOWN_CLOSE);
936 tcon->status = NT_STATUS_NETWORK_NAME_DELETED;
938 global_rec = tcon->global->db_rec;
939 tcon->global->db_rec = NULL;
940 if (global_rec == NULL) {
941 global_rec = smbXsrv_tcon_global_fetch_locked(
942 table->global.db_ctx,
943 tcon->global->tcon_global_id,
944 tcon->global /* TALLOC_CTX */);
945 if (global_rec == NULL) {
946 error = NT_STATUS_INTERNAL_ERROR;
950 if (global_rec != NULL) {
951 status = dbwrap_record_delete(global_rec);
952 if (!NT_STATUS_IS_OK(status)) {
953 TDB_DATA key = dbwrap_record_get_key(global_rec);
955 DBG_ERR("disconnect(0x%08x, '%s'): "
956 "failed to delete global key '%s': %s\n",
957 tcon->global->tcon_global_id,
958 tcon->global->share_name,
964 TALLOC_FREE(global_rec);
966 local_rec = tcon->db_rec;
967 if (local_rec == NULL) {
968 local_rec = smbXsrv_tcon_local_fetch_locked(table->local.db_ctx,
970 tcon /* TALLOC_CTX */);
971 if (local_rec == NULL) {
972 error = NT_STATUS_INTERNAL_ERROR;
976 if (local_rec != NULL) {
977 status = dbwrap_record_delete(local_rec);
978 if (!NT_STATUS_IS_OK(status)) {
979 TDB_DATA key = dbwrap_record_get_key(local_rec);
981 DBG_ERR("disconnect(0x%08x, '%s'): "
982 "failed to delete local key '%s': %s\n",
983 tcon->global->tcon_global_id,
984 tcon->global->share_name,
989 table->local.num_tcons -= 1;
991 if (tcon->db_rec == NULL) {
992 TALLOC_FREE(local_rec);
999 struct smbXsrv_tcon_disconnect_all_state {
1001 NTSTATUS first_status;
1005 static int smbXsrv_tcon_disconnect_all_callback(struct db_record *local_rec,
1006 void *private_data);
1008 static NTSTATUS smbXsrv_tcon_disconnect_all(struct smbXsrv_tcon_table *table,
1011 struct smbXsrv_tcon_disconnect_all_state state = { .vuid = vuid };
1015 if (table == NULL) {
1016 return NT_STATUS_OK;
1019 status = dbwrap_traverse(table->local.db_ctx,
1020 smbXsrv_tcon_disconnect_all_callback,
1022 if (!NT_STATUS_IS_OK(status)) {
1023 DBG_ERR("dbwrap_traverse() failed: %s\n", nt_errstr(status));
1027 if (!NT_STATUS_IS_OK(state.first_status)) {
1028 DBG_ERR("count[%d] errors[%d] first[%s]\n",
1031 nt_errstr(state.first_status));
1032 return state.first_status;
1035 return NT_STATUS_OK;
1038 static int smbXsrv_tcon_disconnect_all_callback(struct db_record *local_rec,
1041 struct smbXsrv_tcon_disconnect_all_state *state =
1042 (struct smbXsrv_tcon_disconnect_all_state *)private_data;
1045 struct smbXsrv_tcon *tcon = NULL;
1049 val = dbwrap_record_get_value(local_rec);
1050 if (val.dsize != sizeof(ptr)) {
1051 status = NT_STATUS_INTERNAL_ERROR;
1052 if (NT_STATUS_IS_OK(state->first_status)) {
1053 state->first_status = status;
1059 memcpy(&ptr, val.dptr, val.dsize);
1060 tcon = talloc_get_type_abort(ptr, struct smbXsrv_tcon);
1063 if (vuid == 0 && tcon->compat) {
1064 vuid = tcon->compat->vuid;
1067 tcon->db_rec = local_rec;
1068 status = smbXsrv_tcon_disconnect(tcon, vuid);
1069 tcon->db_rec = NULL;
1070 if (!NT_STATUS_IS_OK(status)) {
1071 if (NT_STATUS_IS_OK(state->first_status)) {
1072 state->first_status = status;
1081 NTSTATUS smb1srv_tcon_table_init(struct smbXsrv_connection *conn)
1083 struct smbXsrv_client *client = conn->client;
1086 * Allow a range from 1..65534 with 65534 values.
1088 client->tcon_table = talloc_zero(client, struct smbXsrv_tcon_table);
1089 if (client->tcon_table == NULL) {
1090 return NT_STATUS_NO_MEMORY;
1093 return smbXsrv_tcon_table_init(client, client->tcon_table,
1098 NTSTATUS smb1srv_tcon_create(struct smbXsrv_connection *conn,
1099 uint32_t session_global_id,
1100 const char *share_name,
1102 struct smbXsrv_tcon **_tcon)
1104 struct server_id id = messaging_server_id(conn->client->msg_ctx);
1105 const uint8_t encryption_flags = 0;
1107 return smbXsrv_tcon_create(conn->client->tcon_table,
1116 NTSTATUS smb1srv_tcon_lookup(struct smbXsrv_connection *conn,
1117 uint16_t tree_id, NTTIME now,
1118 struct smbXsrv_tcon **tcon)
1120 uint32_t local_id = tree_id;
1122 return smbXsrv_tcon_local_lookup(conn->client->tcon_table,
1123 local_id, now, tcon);
1126 NTSTATUS smb1srv_tcon_disconnect_all(struct smbXsrv_client *client)
1130 * We do not pass a vuid here,
1131 * which means the vuid is taken from
1132 * the tcon->compat->vuid.
1134 * NOTE: that tcon->compat->vuid may point to
1135 * a none existing vuid (or the wrong one)
1136 * as the tcon can exist without a session
1139 * This matches the old behavior of
1140 * conn_close_all(), but we should think
1141 * about how to fix this in future.
1143 return smbXsrv_tcon_disconnect_all(client->tcon_table, 0);
1146 NTSTATUS smb2srv_tcon_table_init(struct smbXsrv_session *session)
1149 * Allow a range from 1..4294967294 with 65534 (same as SMB1) values.
1151 session->tcon_table = talloc_zero(session, struct smbXsrv_tcon_table);
1152 if (session->tcon_table == NULL) {
1153 return NT_STATUS_NO_MEMORY;
1156 return smbXsrv_tcon_table_init(session, session->tcon_table,
1161 NTSTATUS smb2srv_tcon_create(struct smbXsrv_session *session,
1162 uint32_t session_global_id,
1163 uint8_t encryption_flags,
1164 const char *share_name,
1166 struct smbXsrv_tcon **_tcon)
1168 struct server_id id = messaging_server_id(session->client->msg_ctx);
1170 return smbXsrv_tcon_create(session->tcon_table,
1179 NTSTATUS smb2srv_tcon_lookup(struct smbXsrv_session *session,
1180 uint32_t tree_id, NTTIME now,
1181 struct smbXsrv_tcon **tcon)
1183 uint32_t local_id = tree_id;
1185 return smbXsrv_tcon_local_lookup(session->tcon_table,
1186 local_id, now, tcon);
1189 NTSTATUS smb2srv_tcon_disconnect_all(struct smbXsrv_session *session)
1191 uint64_t vuid = session->global->session_wire_id;
1193 return smbXsrv_tcon_disconnect_all(session->tcon_table, vuid);
1196 struct smbXsrv_tcon_global_traverse_state {
1197 int (*fn)(struct smbXsrv_tcon_global0 *, void *);
1201 static int smbXsrv_tcon_global_traverse_fn(struct db_record *rec, void *data)
1204 struct smbXsrv_tcon_global_traverse_state *state =
1205 (struct smbXsrv_tcon_global_traverse_state*)data;
1206 TDB_DATA key = dbwrap_record_get_key(rec);
1207 TDB_DATA val = dbwrap_record_get_value(rec);
1208 DATA_BLOB blob = data_blob_const(val.dptr, val.dsize);
1209 struct smbXsrv_tcon_globalB global_blob;
1210 enum ndr_err_code ndr_err;
1211 TALLOC_CTX *frame = talloc_stackframe();
1213 ndr_err = ndr_pull_struct_blob(&blob, frame, &global_blob,
1214 (ndr_pull_flags_fn_t)ndr_pull_smbXsrv_tcon_globalB);
1215 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
1216 DBG_WARNING("Invalid record in smbXsrv_tcon_global.tdb:"
1217 "key '%s' ndr_pull_struct_blob - %s\n",
1219 ndr_errstr(ndr_err));
1223 if (global_blob.version != SMBXSRV_VERSION_0) {
1224 DBG_WARNING("Invalid record in smbXsrv_tcon_global.tdb:"
1225 "key '%s' unsupported version - %d\n",
1227 (int)global_blob.version);
1231 if (global_blob.info.info0 == NULL) {
1232 DBG_WARNING("Invalid record in smbXsrv_tcon_global.tdb:"
1233 "key '%s' info0 NULL pointer\n",
1238 global_blob.info.info0->db_rec = rec;
1239 ret = state->fn(global_blob.info.info0, state->private_data);
1245 NTSTATUS smbXsrv_tcon_global_traverse(
1246 int (*fn)(struct smbXsrv_tcon_global0 *, void *),
1251 struct smbXsrv_tcon_global_traverse_state state = {
1253 .private_data = private_data,
1257 status = smbXsrv_tcon_global_init();
1258 if (!NT_STATUS_IS_OK(status)) {
1260 DBG_ERR("Failed to initialize tcon_global: %s\n",
1265 status = dbwrap_traverse_read(smbXsrv_tcon_global_db_ctx,
1266 smbXsrv_tcon_global_traverse_fn,