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 "smbd/smbd.h"
24 #include "smbd/globals.h"
25 #include "dbwrap/dbwrap.h"
26 #include "dbwrap/dbwrap_rbt.h"
27 #include "dbwrap/dbwrap_open.h"
29 #include "lib/util/util_tdb.h"
30 #include "librpc/gen_ndr/ndr_smbXsrv.h"
33 struct smbXsrv_tcon_table {
35 struct db_context *db_ctx;
42 struct db_context *db_ctx;
46 static struct db_context *smbXsrv_tcon_global_db_ctx = NULL;
48 NTSTATUS smbXsrv_tcon_global_init(void)
50 char *global_path = NULL;
51 struct db_context *db_ctx = NULL;
53 if (smbXsrv_tcon_global_db_ctx != NULL) {
57 global_path = lock_path("smbXsrv_tcon_global.tdb");
58 if (global_path == NULL) {
59 return NT_STATUS_NO_MEMORY;
62 db_ctx = db_open(NULL, global_path,
66 TDB_INCOMPATIBLE_HASH,
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,
168 hex_encode_talloc(talloc_tos(), key.dptr, key.dsize));
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,
189 hex_encode_talloc(talloc_tos(), key.dptr, key.dsize));
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 DEBUG(1,("smbXsrv_tcon_global_verify_record: "
612 "key '%s' ndr_pull_struct_blob - %s\n",
613 hex_encode_talloc(frame, key.dptr, key.dsize),
619 DEBUG(10,("smbXsrv_tcon_global_verify_record\n"));
621 NDR_PRINT_DEBUG(smbXsrv_tcon_globalB, &global_blob);
624 if (global_blob.version != SMBXSRV_VERSION_0) {
625 DEBUG(0,("smbXsrv_tcon_global_verify_record: "
626 "key '%s' use unsupported version %u\n",
627 hex_encode_talloc(frame, key.dptr, key.dsize),
628 global_blob.version));
629 NDR_PRINT_DEBUG(smbXsrv_tcon_globalB, &global_blob);
634 global = global_blob.info.info0;
636 exists = serverid_exists(&global->server_id);
638 struct server_id_buf idbuf;
639 DEBUG(2,("smbXsrv_tcon_global_verify_record: "
640 "key '%s' server_id %s does not exist.\n",
641 hex_encode_talloc(frame, key.dptr, key.dsize),
642 server_id_str_buf(global->server_id, &idbuf)));
644 NDR_PRINT_DEBUG(smbXsrv_tcon_globalB, &global_blob);
647 dbwrap_record_delete(db_rec);
653 *_g = talloc_move(mem_ctx, &global);
658 static NTSTATUS smbXsrv_tcon_global_store(struct smbXsrv_tcon_global0 *global)
660 struct smbXsrv_tcon_globalB global_blob;
661 DATA_BLOB blob = data_blob_null;
665 enum ndr_err_code ndr_err;
668 * TODO: if we use other versions than '0'
669 * we would add glue code here, that would be able to
670 * store the information in the old format.
673 if (global->db_rec == NULL) {
674 return NT_STATUS_INTERNAL_ERROR;
677 key = dbwrap_record_get_key(global->db_rec);
678 val = dbwrap_record_get_value(global->db_rec);
680 ZERO_STRUCT(global_blob);
681 global_blob.version = smbXsrv_version_global_current();
682 if (val.dsize >= 8) {
683 global_blob.seqnum = IVAL(val.dptr, 4);
685 global_blob.seqnum += 1;
686 global_blob.info.info0 = global;
688 ndr_err = ndr_push_struct_blob(&blob, global->db_rec, &global_blob,
689 (ndr_push_flags_fn_t)ndr_push_smbXsrv_tcon_globalB);
690 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
691 status = ndr_map_error2ntstatus(ndr_err);
692 DEBUG(1,("smbXsrv_tcon_global_store: key '%s' ndr_push - %s\n",
693 hex_encode_talloc(global->db_rec, key.dptr, key.dsize),
695 TALLOC_FREE(global->db_rec);
699 val = make_tdb_data(blob.data, blob.length);
700 status = dbwrap_record_store(global->db_rec, val, TDB_REPLACE);
701 if (!NT_STATUS_IS_OK(status)) {
702 DEBUG(1,("smbXsrv_tcon_global_store: key '%s' store - %s\n",
703 hex_encode_talloc(global->db_rec, key.dptr, key.dsize),
705 TALLOC_FREE(global->db_rec);
710 DEBUG(10,("smbXsrv_tcon_global_store: key '%s' stored\n",
711 hex_encode_talloc(global->db_rec, key.dptr, key.dsize)));
712 NDR_PRINT_DEBUG(smbXsrv_tcon_globalB, &global_blob);
715 TALLOC_FREE(global->db_rec);
720 static int smbXsrv_tcon_destructor(struct smbXsrv_tcon *tcon)
724 status = smbXsrv_tcon_disconnect(tcon, 0);
725 if (!NT_STATUS_IS_OK(status)) {
726 DEBUG(0, ("smbXsrv_tcon_destructor: "
727 "smbXsrv_tcon_disconnect() failed - %s\n",
731 TALLOC_FREE(tcon->global);
736 static NTSTATUS smbXsrv_tcon_create(struct smbXsrv_tcon_table *table,
737 enum protocol_types protocol,
738 struct server_id server_id,
740 struct smbXsrv_tcon **_tcon)
742 struct db_record *local_rec = NULL;
743 struct smbXsrv_tcon *tcon = NULL;
746 struct smbXsrv_tcon_global0 *global = NULL;
749 if (table->local.num_tcons >= table->local.max_tcons) {
750 return NT_STATUS_INSUFFICIENT_RESOURCES;
753 tcon = talloc_zero(table, struct smbXsrv_tcon);
755 return NT_STATUS_NO_MEMORY;
758 tcon->status = NT_STATUS_INTERNAL_ERROR;
759 tcon->idle_time = now;
761 status = smbXsrv_tcon_global_allocate(table->global.db_ctx,
763 if (!NT_STATUS_IS_OK(status)) {
767 tcon->global = global;
769 if (protocol >= PROTOCOL_SMB2_02) {
770 uint64_t id = global->tcon_global_id;
772 global->tcon_wire_id = id;
774 tcon->local_id = global->tcon_global_id;
776 local_rec = smbXsrv_tcon_local_fetch_locked(table->local.db_ctx,
778 tcon /* TALLOC_CTX */);
779 if (local_rec == NULL) {
781 return NT_STATUS_NO_MEMORY;
784 val = dbwrap_record_get_value(local_rec);
785 if (val.dsize != 0) {
787 return NT_STATUS_INTERNAL_DB_CORRUPTION;
791 status = smb1srv_tcon_local_allocate_id(table->local.db_ctx,
792 table->local.lowest_id,
793 table->local.highest_id,
797 if (!NT_STATUS_IS_OK(status)) {
802 global->tcon_wire_id = tcon->local_id;
805 global->creation_time = now;
807 global->server_id = server_id;
810 val = make_tdb_data((uint8_t const *)&ptr, sizeof(ptr));
811 status = dbwrap_record_store(local_rec, val, TDB_REPLACE);
812 TALLOC_FREE(local_rec);
813 if (!NT_STATUS_IS_OK(status)) {
817 table->local.num_tcons += 1;
819 talloc_set_destructor(tcon, smbXsrv_tcon_destructor);
821 status = smbXsrv_tcon_global_store(global);
822 if (!NT_STATUS_IS_OK(status)) {
823 DEBUG(0,("smbXsrv_tcon_create: "
824 "global_id (0x%08x) store failed - %s\n",
825 tcon->global->tcon_global_id,
832 struct smbXsrv_tconB tcon_blob;
834 ZERO_STRUCT(tcon_blob);
835 tcon_blob.version = SMBXSRV_VERSION_0;
836 tcon_blob.info.info0 = tcon;
838 DEBUG(10,("smbXsrv_tcon_create: global_id (0x%08x) stored\n",
839 tcon->global->tcon_global_id));
840 NDR_PRINT_DEBUG(smbXsrv_tconB, &tcon_blob);
847 NTSTATUS smbXsrv_tcon_update(struct smbXsrv_tcon *tcon)
849 struct smbXsrv_tcon_table *table = tcon->table;
852 if (tcon->global->db_rec != NULL) {
853 DEBUG(0, ("smbXsrv_tcon_update(0x%08x): "
854 "Called with db_rec != NULL'\n",
855 tcon->global->tcon_global_id));
856 return NT_STATUS_INTERNAL_ERROR;
859 tcon->global->db_rec = smbXsrv_tcon_global_fetch_locked(
860 table->global.db_ctx,
861 tcon->global->tcon_global_id,
862 tcon->global /* TALLOC_CTX */);
863 if (tcon->global->db_rec == NULL) {
864 return NT_STATUS_INTERNAL_DB_ERROR;
867 status = smbXsrv_tcon_global_store(tcon->global);
868 if (!NT_STATUS_IS_OK(status)) {
869 DEBUG(0,("smbXsrv_tcon_update: "
870 "global_id (0x%08x) store failed - %s\n",
871 tcon->global->tcon_global_id,
877 struct smbXsrv_tconB tcon_blob;
879 ZERO_STRUCT(tcon_blob);
880 tcon_blob.version = SMBXSRV_VERSION_0;
881 tcon_blob.info.info0 = tcon;
883 DEBUG(10,("smbXsrv_tcon_update: global_id (0x%08x) stored\n",
884 tcon->global->tcon_global_id));
885 NDR_PRINT_DEBUG(smbXsrv_tconB, &tcon_blob);
891 NTSTATUS smbXsrv_tcon_disconnect(struct smbXsrv_tcon *tcon, uint64_t vuid)
893 struct smbXsrv_tcon_table *table;
894 struct db_record *local_rec = NULL;
895 struct db_record *global_rec = NULL;
897 NTSTATUS error = NT_STATUS_OK;
899 if (tcon->table == NULL) {
906 tcon->status = NT_STATUS_NETWORK_NAME_DELETED;
908 global_rec = tcon->global->db_rec;
909 tcon->global->db_rec = NULL;
910 if (global_rec == NULL) {
911 global_rec = smbXsrv_tcon_global_fetch_locked(
912 table->global.db_ctx,
913 tcon->global->tcon_global_id,
914 tcon->global /* TALLOC_CTX */);
915 if (global_rec == NULL) {
916 error = NT_STATUS_INTERNAL_ERROR;
920 if (global_rec != NULL) {
921 status = dbwrap_record_delete(global_rec);
922 if (!NT_STATUS_IS_OK(status)) {
923 TDB_DATA key = dbwrap_record_get_key(global_rec);
925 DEBUG(0, ("smbXsrv_tcon_disconnect(0x%08x, '%s'): "
926 "failed to delete global key '%s': %s\n",
927 tcon->global->tcon_global_id,
928 tcon->global->share_name,
929 hex_encode_talloc(global_rec, key.dptr,
935 TALLOC_FREE(global_rec);
937 local_rec = tcon->db_rec;
938 if (local_rec == NULL) {
939 local_rec = smbXsrv_tcon_local_fetch_locked(table->local.db_ctx,
941 tcon /* TALLOC_CTX */);
942 if (local_rec == NULL) {
943 error = NT_STATUS_INTERNAL_ERROR;
947 if (local_rec != NULL) {
948 status = dbwrap_record_delete(local_rec);
949 if (!NT_STATUS_IS_OK(status)) {
950 TDB_DATA key = dbwrap_record_get_key(local_rec);
952 DEBUG(0, ("smbXsrv_tcon_disconnect(0x%08x, '%s'): "
953 "failed to delete local key '%s': %s\n",
954 tcon->global->tcon_global_id,
955 tcon->global->share_name,
956 hex_encode_talloc(local_rec, key.dptr,
961 table->local.num_tcons -= 1;
963 if (tcon->db_rec == NULL) {
964 TALLOC_FREE(local_rec);
971 ok = set_current_service(tcon->compat, 0, true);
973 status = NT_STATUS_INTERNAL_ERROR;
974 DEBUG(0, ("smbXsrv_tcon_disconnect(0x%08x, '%s'): "
975 "set_current_service() failed: %s\n",
976 tcon->global->tcon_global_id,
977 tcon->global->share_name,
983 close_cnum(tcon->compat, vuid);
990 struct smbXsrv_tcon_disconnect_all_state {
992 NTSTATUS first_status;
996 static int smbXsrv_tcon_disconnect_all_callback(struct db_record *local_rec,
999 static NTSTATUS smbXsrv_tcon_disconnect_all(struct smbXsrv_tcon_table *table,
1002 struct smbXsrv_tcon_disconnect_all_state state;
1006 if (table == NULL) {
1007 return NT_STATUS_OK;
1013 status = dbwrap_traverse(table->local.db_ctx,
1014 smbXsrv_tcon_disconnect_all_callback,
1016 if (!NT_STATUS_IS_OK(status)) {
1017 DEBUG(0, ("smbXsrv_tcon_disconnect_all: "
1018 "dbwrap_traverse() failed: %s\n",
1019 nt_errstr(status)));
1023 if (!NT_STATUS_IS_OK(state.first_status)) {
1024 DEBUG(0, ("smbXsrv_tcon_disconnect_all: "
1025 "count[%d] errors[%d] first[%s]\n",
1026 count, state.errors,
1027 nt_errstr(state.first_status)));
1028 return state.first_status;
1031 return NT_STATUS_OK;
1034 static int smbXsrv_tcon_disconnect_all_callback(struct db_record *local_rec,
1037 struct smbXsrv_tcon_disconnect_all_state *state =
1038 (struct smbXsrv_tcon_disconnect_all_state *)private_data;
1041 struct smbXsrv_tcon *tcon = NULL;
1045 val = dbwrap_record_get_value(local_rec);
1046 if (val.dsize != sizeof(ptr)) {
1047 status = NT_STATUS_INTERNAL_ERROR;
1048 if (NT_STATUS_IS_OK(state->first_status)) {
1049 state->first_status = status;
1055 memcpy(&ptr, val.dptr, val.dsize);
1056 tcon = talloc_get_type_abort(ptr, struct smbXsrv_tcon);
1059 if (vuid == 0 && tcon->compat) {
1060 vuid = tcon->compat->vuid;
1063 tcon->db_rec = local_rec;
1064 status = smbXsrv_tcon_disconnect(tcon, vuid);
1065 if (!NT_STATUS_IS_OK(status)) {
1066 if (NT_STATUS_IS_OK(state->first_status)) {
1067 state->first_status = status;
1076 NTSTATUS smb1srv_tcon_table_init(struct smbXsrv_connection *conn)
1078 struct smbXsrv_client *client = conn->client;
1081 * Allow a range from 1..65534 with 65534 values.
1083 client->tcon_table = talloc_zero(client, struct smbXsrv_tcon_table);
1084 if (client->tcon_table == NULL) {
1085 return NT_STATUS_NO_MEMORY;
1088 return smbXsrv_tcon_table_init(client, client->tcon_table,
1093 NTSTATUS smb1srv_tcon_create(struct smbXsrv_connection *conn,
1095 struct smbXsrv_tcon **_tcon)
1097 struct server_id id = messaging_server_id(conn->msg_ctx);
1099 return smbXsrv_tcon_create(conn->client->tcon_table,
1104 NTSTATUS smb1srv_tcon_lookup(struct smbXsrv_connection *conn,
1105 uint16_t tree_id, NTTIME now,
1106 struct smbXsrv_tcon **tcon)
1108 uint32_t local_id = tree_id;
1110 return smbXsrv_tcon_local_lookup(conn->client->tcon_table,
1111 local_id, now, tcon);
1114 NTSTATUS smb1srv_tcon_disconnect_all(struct smbXsrv_connection *conn)
1116 struct smbXsrv_client *client = conn->client;
1119 * We do not pass a vuid here,
1120 * which means the vuid is taken from
1121 * the tcon->compat->vuid.
1123 * NOTE: that tcon->compat->vuid may point to
1124 * a none existing vuid (or the wrong one)
1125 * as the tcon can exist without a session
1128 * This matches the old behavior of
1129 * conn_close_all(), but we should think
1130 * about how to fix this in future.
1132 return smbXsrv_tcon_disconnect_all(client->tcon_table, 0);
1135 NTSTATUS smb2srv_tcon_table_init(struct smbXsrv_session *session)
1138 * Allow a range from 1..4294967294 with 65534 (same as SMB1) values.
1140 session->tcon_table = talloc_zero(session, struct smbXsrv_tcon_table);
1141 if (session->tcon_table == NULL) {
1142 return NT_STATUS_NO_MEMORY;
1145 return smbXsrv_tcon_table_init(session, session->tcon_table,
1150 NTSTATUS smb2srv_tcon_create(struct smbXsrv_session *session,
1152 struct smbXsrv_tcon **_tcon)
1154 struct server_id id = messaging_server_id(session->client->msg_ctx);
1156 return smbXsrv_tcon_create(session->tcon_table,
1161 NTSTATUS smb2srv_tcon_lookup(struct smbXsrv_session *session,
1162 uint32_t tree_id, NTTIME now,
1163 struct smbXsrv_tcon **tcon)
1165 uint32_t local_id = tree_id;
1167 return smbXsrv_tcon_local_lookup(session->tcon_table,
1168 local_id, now, tcon);
1171 NTSTATUS smb2srv_tcon_disconnect_all(struct smbXsrv_session *session)
1175 if (session->compat) {
1176 vuid = session->compat->vuid;
1181 return smbXsrv_tcon_disconnect_all(session->tcon_table, vuid);
1184 struct smbXsrv_tcon_global_traverse_state {
1185 int (*fn)(struct smbXsrv_tcon_global0 *, void *);
1189 static int smbXsrv_tcon_global_traverse_fn(struct db_record *rec, void *data)
1192 struct smbXsrv_tcon_global_traverse_state *state =
1193 (struct smbXsrv_tcon_global_traverse_state*)data;
1194 TDB_DATA key = dbwrap_record_get_key(rec);
1195 TDB_DATA val = dbwrap_record_get_value(rec);
1196 DATA_BLOB blob = data_blob_const(val.dptr, val.dsize);
1197 struct smbXsrv_tcon_globalB global_blob;
1198 enum ndr_err_code ndr_err;
1199 TALLOC_CTX *frame = talloc_stackframe();
1201 ndr_err = ndr_pull_struct_blob(&blob, frame, &global_blob,
1202 (ndr_pull_flags_fn_t)ndr_pull_smbXsrv_tcon_globalB);
1203 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
1204 DEBUG(1,("Invalid record in smbXsrv_tcon_global.tdb:"
1205 "key '%s' ndr_pull_struct_blob - %s\n",
1206 hex_encode_talloc(frame, key.dptr, key.dsize),
1207 ndr_errstr(ndr_err)));
1211 if (global_blob.version != SMBXSRV_VERSION_0) {
1212 DEBUG(1,("Invalid record in smbXsrv_tcon_global.tdb:"
1213 "key '%s' unsuported version - %d\n",
1214 hex_encode_talloc(frame, key.dptr, key.dsize),
1215 (int)global_blob.version));
1219 global_blob.info.info0->db_rec = rec;
1220 ret = state->fn(global_blob.info.info0, state->private_data);
1226 NTSTATUS smbXsrv_tcon_global_traverse(
1227 int (*fn)(struct smbXsrv_tcon_global0 *, void *),
1232 struct smbXsrv_tcon_global_traverse_state state = {
1234 .private_data = private_data,
1238 status = smbXsrv_tcon_global_init();
1239 if (!NT_STATUS_IS_OK(status)) {
1241 DEBUG(0, ("Failed to initialize tcon_global: %s\n",
1242 nt_errstr(status)));
1246 status = dbwrap_traverse_read(smbXsrv_tcon_global_db_ctx,
1247 smbXsrv_tcon_global_traverse_fn,