Line data Source code
1 : /*
2 : Unix SMB/CIFS implementation.
3 :
4 : Copyright (C) Stefan Metzmacher 2011-2012
5 : Copyright (C) Michael Adam 2012
6 :
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.
11 :
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.
16 :
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/>.
19 : */
20 :
21 : #include "includes.h"
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"
29 : #include "messages.h"
30 : #include "lib/util/util_tdb.h"
31 : #include "librpc/gen_ndr/ndr_smbXsrv.h"
32 : #include "serverid.h"
33 : #include "source3/include/util_tdb.h"
34 :
35 : struct smbXsrv_tcon_table {
36 : struct {
37 : struct db_context *db_ctx;
38 : uint32_t lowest_id;
39 : uint32_t highest_id;
40 : uint32_t max_tcons;
41 : uint32_t num_tcons;
42 : } local;
43 : struct {
44 : struct db_context *db_ctx;
45 : } global;
46 : };
47 :
48 : static struct db_context *smbXsrv_tcon_global_db_ctx = NULL;
49 :
50 4973 : NTSTATUS smbXsrv_tcon_global_init(void)
51 : {
52 4973 : char *global_path = NULL;
53 4973 : struct db_context *db_ctx = NULL;
54 :
55 4973 : if (smbXsrv_tcon_global_db_ctx != NULL) {
56 4966 : return NT_STATUS_OK;
57 : }
58 :
59 7 : global_path = lock_path(talloc_tos(), "smbXsrv_tcon_global.tdb");
60 7 : if (global_path == NULL) {
61 0 : return NT_STATUS_NO_MEMORY;
62 : }
63 :
64 7 : db_ctx = db_open(NULL, global_path,
65 : SMBD_VOLATILE_TDB_HASH_SIZE,
66 : SMBD_VOLATILE_TDB_FLAGS,
67 : O_RDWR | O_CREAT, 0600,
68 : DBWRAP_LOCK_ORDER_1,
69 : DBWRAP_FLAG_NONE);
70 7 : TALLOC_FREE(global_path);
71 7 : if (db_ctx == NULL) {
72 : NTSTATUS status;
73 :
74 0 : status = map_nt_error_from_unix_common(errno);
75 :
76 0 : return status;
77 : }
78 :
79 7 : smbXsrv_tcon_global_db_ctx = db_ctx;
80 :
81 7 : return NT_STATUS_OK;
82 : }
83 :
84 : /*
85 : * NOTE:
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
88 : * values.
89 : *
90 : * TODO: implement string based key
91 : */
92 :
93 : #define SMBXSRV_TCON_GLOBAL_TDB_KEY_SIZE sizeof(uint32_t)
94 :
95 16710 : static TDB_DATA smbXsrv_tcon_global_id_to_key(uint32_t id,
96 : uint8_t *key_buf)
97 : {
98 : TDB_DATA key;
99 :
100 16710 : RSIVAL(key_buf, 0, id);
101 :
102 16710 : key = make_tdb_data(key_buf, SMBXSRV_TCON_GLOBAL_TDB_KEY_SIZE);
103 :
104 16710 : return key;
105 : }
106 :
107 : #if 0
108 : static NTSTATUS smbXsrv_tcon_global_key_to_id(TDB_DATA key, uint32_t *id)
109 : {
110 : if (id == NULL) {
111 : return NT_STATUS_INVALID_PARAMETER;
112 : }
113 :
114 : if (key.dsize != SMBXSRV_TCON_GLOBAL_TDB_KEY_SIZE) {
115 : return NT_STATUS_INTERNAL_DB_CORRUPTION;
116 : }
117 :
118 : *id = RIVAL(key.dptr, 0);
119 :
120 : return NT_STATUS_OK;
121 : }
122 : #endif
123 :
124 : #define SMBXSRV_TCON_LOCAL_TDB_KEY_SIZE sizeof(uint32_t)
125 :
126 144395 : static TDB_DATA smbXsrv_tcon_local_id_to_key(uint32_t id,
127 : uint8_t *key_buf)
128 : {
129 : TDB_DATA key;
130 :
131 144395 : RSIVAL(key_buf, 0, id);
132 :
133 144395 : key = make_tdb_data(key_buf, SMBXSRV_TCON_LOCAL_TDB_KEY_SIZE);
134 :
135 144395 : return key;
136 : }
137 :
138 0 : static NTSTATUS smbXsrv_tcon_local_key_to_id(TDB_DATA key, uint32_t *id)
139 : {
140 0 : if (id == NULL) {
141 0 : return NT_STATUS_INVALID_PARAMETER;
142 : }
143 :
144 0 : if (key.dsize != SMBXSRV_TCON_LOCAL_TDB_KEY_SIZE) {
145 0 : return NT_STATUS_INTERNAL_DB_CORRUPTION;
146 : }
147 :
148 0 : *id = RIVAL(key.dptr, 0);
149 :
150 0 : return NT_STATUS_OK;
151 : }
152 :
153 16710 : static struct db_record *smbXsrv_tcon_global_fetch_locked(
154 : struct db_context *db,
155 : uint32_t id,
156 : TALLOC_CTX *mem_ctx)
157 : {
158 : TDB_DATA key;
159 : uint8_t key_buf[SMBXSRV_TCON_GLOBAL_TDB_KEY_SIZE];
160 16710 : struct db_record *rec = NULL;
161 :
162 16710 : key = smbXsrv_tcon_global_id_to_key(id, key_buf);
163 :
164 16710 : rec = dbwrap_fetch_locked(db, mem_ctx, key);
165 :
166 16710 : if (rec == NULL) {
167 0 : DBG_DEBUG("Failed to lock global id 0x%08x, key '%s'\n", id,
168 : tdb_data_dbg(key));
169 : }
170 :
171 16710 : return rec;
172 : }
173 :
174 8065 : static struct db_record *smbXsrv_tcon_local_fetch_locked(
175 : struct db_context *db,
176 : uint32_t id,
177 : TALLOC_CTX *mem_ctx)
178 : {
179 : TDB_DATA key;
180 : uint8_t key_buf[SMBXSRV_TCON_LOCAL_TDB_KEY_SIZE];
181 8065 : struct db_record *rec = NULL;
182 :
183 8065 : key = smbXsrv_tcon_local_id_to_key(id, key_buf);
184 :
185 8065 : rec = dbwrap_fetch_locked(db, mem_ctx, key);
186 :
187 8065 : if (rec == NULL) {
188 0 : DBG_DEBUG("Failed to lock local id 0x%08x, key '%s'\n", id,
189 : tdb_data_dbg(key));
190 : }
191 :
192 8065 : return rec;
193 : }
194 :
195 4952 : static NTSTATUS smbXsrv_tcon_table_init(TALLOC_CTX *mem_ctx,
196 : struct smbXsrv_tcon_table *table,
197 : uint32_t lowest_id,
198 : uint32_t highest_id,
199 : uint32_t max_tcons)
200 : {
201 : NTSTATUS status;
202 : uint64_t max_range;
203 :
204 4952 : if (lowest_id > highest_id) {
205 0 : return NT_STATUS_INTERNAL_ERROR;
206 : }
207 :
208 4952 : max_range = highest_id;
209 4952 : max_range -= lowest_id;
210 4952 : max_range += 1;
211 :
212 4952 : if (max_tcons > max_range) {
213 0 : return NT_STATUS_INTERNAL_ERROR;
214 : }
215 :
216 4952 : ZERO_STRUCTP(table);
217 4952 : table->local.db_ctx = db_open_rbt(table);
218 4952 : if (table->local.db_ctx == NULL) {
219 0 : return NT_STATUS_NO_MEMORY;
220 : }
221 4952 : table->local.lowest_id = lowest_id;
222 4952 : table->local.highest_id = highest_id;
223 4952 : table->local.max_tcons = max_tcons;
224 :
225 4952 : status = smbXsrv_tcon_global_init();
226 4952 : if (!NT_STATUS_IS_OK(status)) {
227 0 : return status;
228 : }
229 :
230 4952 : table->global.db_ctx = smbXsrv_tcon_global_db_ctx;
231 :
232 4952 : return NT_STATUS_OK;
233 : }
234 :
235 : struct smb1srv_tcon_local_allocate_state {
236 : const uint32_t lowest_id;
237 : const uint32_t highest_id;
238 : uint32_t last_id;
239 : uint32_t useable_id;
240 : NTSTATUS status;
241 : };
242 :
243 0 : static int smb1srv_tcon_local_allocate_traverse(struct db_record *rec,
244 : void *private_data)
245 : {
246 0 : struct smb1srv_tcon_local_allocate_state *state =
247 : (struct smb1srv_tcon_local_allocate_state *)private_data;
248 0 : TDB_DATA key = dbwrap_record_get_key(rec);
249 0 : uint32_t id = 0;
250 : NTSTATUS status;
251 :
252 0 : status = smbXsrv_tcon_local_key_to_id(key, &id);
253 0 : if (!NT_STATUS_IS_OK(status)) {
254 0 : state->status = status;
255 0 : return -1;
256 : }
257 :
258 0 : if (id <= state->last_id) {
259 0 : state->status = NT_STATUS_INTERNAL_DB_CORRUPTION;
260 0 : return -1;
261 : }
262 0 : state->last_id = id;
263 :
264 0 : if (id > state->useable_id) {
265 0 : state->status = NT_STATUS_OK;
266 0 : return -1;
267 : }
268 :
269 0 : if (state->useable_id == state->highest_id) {
270 0 : state->status = NT_STATUS_INSUFFICIENT_RESOURCES;
271 0 : return -1;
272 : }
273 :
274 0 : state->useable_id +=1;
275 0 : return 0;
276 : }
277 :
278 28 : static NTSTATUS smb1srv_tcon_local_allocate_id(struct db_context *db,
279 : uint32_t lowest_id,
280 : uint32_t highest_id,
281 : TALLOC_CTX *mem_ctx,
282 : struct db_record **_rec,
283 : uint32_t *_id)
284 : {
285 28 : struct smb1srv_tcon_local_allocate_state state = {
286 : .lowest_id = lowest_id,
287 : .highest_id = highest_id,
288 : .last_id = 0,
289 : .useable_id = lowest_id,
290 : .status = NT_STATUS_INTERNAL_ERROR,
291 : };
292 : uint32_t i;
293 : uint32_t range;
294 : NTSTATUS status;
295 28 : int count = 0;
296 :
297 28 : *_rec = NULL;
298 28 : *_id = 0;
299 :
300 28 : if (lowest_id > highest_id) {
301 0 : return NT_STATUS_INSUFFICIENT_RESOURCES;
302 : }
303 :
304 : /*
305 : * first we try randomly
306 : */
307 28 : range = (highest_id - lowest_id) + 1;
308 :
309 28 : for (i = 0; i < (range / 2); i++) {
310 : uint32_t id;
311 : TDB_DATA val;
312 28 : struct db_record *rec = NULL;
313 :
314 28 : id = generate_random() % range;
315 28 : id += lowest_id;
316 :
317 28 : if (id < lowest_id) {
318 0 : id = lowest_id;
319 : }
320 28 : if (id > highest_id) {
321 0 : id = highest_id;
322 : }
323 :
324 28 : rec = smbXsrv_tcon_local_fetch_locked(db, id, mem_ctx);
325 28 : if (rec == NULL) {
326 0 : return NT_STATUS_INSUFFICIENT_RESOURCES;
327 : }
328 :
329 28 : val = dbwrap_record_get_value(rec);
330 28 : if (val.dsize != 0) {
331 0 : TALLOC_FREE(rec);
332 0 : continue;
333 : }
334 :
335 28 : *_rec = rec;
336 28 : *_id = id;
337 28 : return NT_STATUS_OK;
338 : }
339 :
340 : /*
341 : * if the range is almost full,
342 : * we traverse the whole table
343 : * (this relies on sorted behavior of dbwrap_rbt)
344 : */
345 0 : status = dbwrap_traverse_read(db, smb1srv_tcon_local_allocate_traverse,
346 : &state, &count);
347 0 : if (NT_STATUS_IS_OK(status)) {
348 0 : if (NT_STATUS_IS_OK(state.status)) {
349 0 : return NT_STATUS_INTERNAL_ERROR;
350 : }
351 :
352 0 : if (!NT_STATUS_EQUAL(state.status, NT_STATUS_INTERNAL_ERROR)) {
353 0 : return state.status;
354 : }
355 :
356 0 : if (state.useable_id <= state.highest_id) {
357 0 : state.status = NT_STATUS_OK;
358 : } else {
359 0 : return NT_STATUS_INSUFFICIENT_RESOURCES;
360 : }
361 0 : } else if (!NT_STATUS_EQUAL(status, NT_STATUS_INTERNAL_DB_CORRUPTION)) {
362 : /*
363 : * Here we really expect NT_STATUS_INTERNAL_DB_CORRUPTION!
364 : *
365 : * If we get anything else it is an error, because it
366 : * means we did not manage to find a free slot in
367 : * the db.
368 : */
369 0 : return NT_STATUS_INSUFFICIENT_RESOURCES;
370 : }
371 :
372 0 : if (NT_STATUS_IS_OK(state.status)) {
373 : uint32_t id;
374 : TDB_DATA val;
375 0 : struct db_record *rec = NULL;
376 :
377 0 : id = state.useable_id;
378 :
379 0 : rec = smbXsrv_tcon_local_fetch_locked(db, id, mem_ctx);
380 0 : if (rec == NULL) {
381 0 : return NT_STATUS_INSUFFICIENT_RESOURCES;
382 : }
383 :
384 0 : val = dbwrap_record_get_value(rec);
385 0 : if (val.dsize != 0) {
386 0 : TALLOC_FREE(rec);
387 0 : return NT_STATUS_INTERNAL_DB_CORRUPTION;
388 : }
389 :
390 0 : *_rec = rec;
391 0 : *_id = id;
392 0 : return NT_STATUS_OK;
393 : }
394 :
395 0 : return state.status;
396 : }
397 :
398 : struct smbXsrv_tcon_local_fetch_state {
399 : struct smbXsrv_tcon *tcon;
400 : NTSTATUS status;
401 : };
402 :
403 136320 : static void smbXsrv_tcon_local_fetch_parser(TDB_DATA key, TDB_DATA data,
404 : void *private_data)
405 : {
406 136320 : struct smbXsrv_tcon_local_fetch_state *state =
407 : (struct smbXsrv_tcon_local_fetch_state *)private_data;
408 : void *ptr;
409 :
410 136320 : if (data.dsize != sizeof(ptr)) {
411 0 : state->status = NT_STATUS_INTERNAL_DB_ERROR;
412 0 : return;
413 : }
414 :
415 136320 : memcpy(&ptr, data.dptr, data.dsize);
416 136320 : state->tcon = talloc_get_type_abort(ptr, struct smbXsrv_tcon);
417 136320 : state->status = NT_STATUS_OK;
418 : }
419 :
420 139969 : static NTSTATUS smbXsrv_tcon_local_lookup(struct smbXsrv_tcon_table *table,
421 : uint32_t tcon_local_id,
422 : NTTIME now,
423 : struct smbXsrv_tcon **_tcon)
424 : {
425 139969 : struct smbXsrv_tcon_local_fetch_state state = {
426 : .tcon = NULL,
427 : .status = NT_STATUS_INTERNAL_ERROR,
428 : };
429 : uint8_t key_buf[SMBXSRV_TCON_LOCAL_TDB_KEY_SIZE];
430 : TDB_DATA key;
431 : NTSTATUS status;
432 :
433 139969 : *_tcon = NULL;
434 :
435 139969 : if (tcon_local_id == 0) {
436 3639 : return NT_STATUS_NETWORK_NAME_DELETED;
437 : }
438 :
439 136330 : if (table == NULL) {
440 : /* this might happen before the end of negprot */
441 0 : return NT_STATUS_NETWORK_NAME_DELETED;
442 : }
443 :
444 136330 : if (table->local.db_ctx == NULL) {
445 0 : return NT_STATUS_INTERNAL_ERROR;
446 : }
447 :
448 136330 : key = smbXsrv_tcon_local_id_to_key(tcon_local_id, key_buf);
449 :
450 136330 : status = dbwrap_parse_record(table->local.db_ctx, key,
451 : smbXsrv_tcon_local_fetch_parser,
452 : &state);
453 136330 : if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
454 10 : return NT_STATUS_NETWORK_NAME_DELETED;
455 136320 : } else if (!NT_STATUS_IS_OK(status)) {
456 0 : return status;
457 : }
458 136320 : if (!NT_STATUS_IS_OK(state.status)) {
459 0 : return state.status;
460 : }
461 :
462 136320 : if (NT_STATUS_EQUAL(state.tcon->status, NT_STATUS_NETWORK_NAME_DELETED)) {
463 0 : return NT_STATUS_NETWORK_NAME_DELETED;
464 : }
465 :
466 136320 : state.tcon->idle_time = now;
467 :
468 136320 : *_tcon = state.tcon;
469 136320 : return state.tcon->status;
470 : }
471 :
472 5627 : static int smbXsrv_tcon_global_destructor(struct smbXsrv_tcon_global0 *global)
473 : {
474 5627 : return 0;
475 : }
476 :
477 : static void smbXsrv_tcon_global_verify_record(struct db_record *db_rec,
478 : bool *is_free,
479 : bool *was_free,
480 : TALLOC_CTX *mem_ctx,
481 : struct smbXsrv_tcon_global0 **_g);
482 :
483 5627 : static NTSTATUS smbXsrv_tcon_global_allocate(struct db_context *db,
484 : TALLOC_CTX *mem_ctx,
485 : struct smbXsrv_tcon_global0 **_global)
486 : {
487 : uint32_t i;
488 5627 : struct smbXsrv_tcon_global0 *global = NULL;
489 5627 : uint32_t last_free = 0;
490 5627 : const uint32_t min_tries = 3;
491 :
492 5627 : *_global = NULL;
493 :
494 5627 : global = talloc_zero(mem_ctx, struct smbXsrv_tcon_global0);
495 5627 : if (global == NULL) {
496 0 : return NT_STATUS_NO_MEMORY;
497 : }
498 5627 : talloc_set_destructor(global, smbXsrv_tcon_global_destructor);
499 :
500 : /*
501 : * Here we just randomly try the whole 32-bit space
502 : *
503 : * We use just 32-bit, because we want to reuse the
504 : * ID for SRVSVC.
505 : */
506 5627 : for (i = 0; i < UINT32_MAX; i++) {
507 5627 : bool is_free = false;
508 5627 : bool was_free = false;
509 : uint32_t id;
510 :
511 5627 : if (i >= min_tries && last_free != 0) {
512 0 : id = last_free;
513 : } else {
514 5627 : id = generate_random();
515 : }
516 5627 : if (id == 0) {
517 0 : id++;
518 : }
519 5627 : if (id == UINT32_MAX) {
520 0 : id--;
521 : }
522 :
523 5627 : global->db_rec = smbXsrv_tcon_global_fetch_locked(db, id,
524 : mem_ctx);
525 5627 : if (global->db_rec == NULL) {
526 0 : talloc_free(global);
527 0 : return NT_STATUS_INSUFFICIENT_RESOURCES;
528 : }
529 :
530 5627 : smbXsrv_tcon_global_verify_record(global->db_rec,
531 : &is_free,
532 : &was_free,
533 : NULL, NULL);
534 :
535 5627 : if (!is_free) {
536 0 : TALLOC_FREE(global->db_rec);
537 0 : continue;
538 : }
539 :
540 5627 : if (!was_free && i < min_tries) {
541 : /*
542 : * The session_id is free now,
543 : * but was not free before.
544 : *
545 : * This happens if a smbd crashed
546 : * and did not cleanup the record.
547 : *
548 : * If this is one of our first tries,
549 : * then we try to find a real free one.
550 : */
551 0 : if (last_free == 0) {
552 0 : last_free = id;
553 : }
554 0 : TALLOC_FREE(global->db_rec);
555 0 : continue;
556 : }
557 :
558 5627 : global->tcon_global_id = id;
559 :
560 5627 : *_global = global;
561 5627 : return NT_STATUS_OK;
562 : }
563 :
564 : /* should not be reached */
565 0 : talloc_free(global);
566 0 : return NT_STATUS_INTERNAL_ERROR;
567 : }
568 :
569 5627 : static void smbXsrv_tcon_global_verify_record(struct db_record *db_rec,
570 : bool *is_free,
571 : bool *was_free,
572 : TALLOC_CTX *mem_ctx,
573 : struct smbXsrv_tcon_global0 **_g)
574 : {
575 : TDB_DATA key;
576 : TDB_DATA val;
577 : DATA_BLOB blob;
578 : struct smbXsrv_tcon_globalB global_blob;
579 : enum ndr_err_code ndr_err;
580 5627 : struct smbXsrv_tcon_global0 *global = NULL;
581 : bool exists;
582 5627 : TALLOC_CTX *frame = talloc_stackframe();
583 :
584 5627 : *is_free = false;
585 :
586 5627 : if (was_free) {
587 5627 : *was_free = false;
588 : }
589 5627 : if (_g) {
590 0 : *_g = NULL;
591 : }
592 :
593 5627 : key = dbwrap_record_get_key(db_rec);
594 :
595 5627 : val = dbwrap_record_get_value(db_rec);
596 5627 : if (val.dsize == 0) {
597 5627 : TALLOC_FREE(frame);
598 5627 : *is_free = true;
599 5627 : if (was_free) {
600 5627 : *was_free = true;
601 : }
602 5627 : return;
603 : }
604 :
605 0 : blob = data_blob_const(val.dptr, val.dsize);
606 :
607 0 : ndr_err = ndr_pull_struct_blob(&blob, frame, &global_blob,
608 : (ndr_pull_flags_fn_t)ndr_pull_smbXsrv_tcon_globalB);
609 0 : if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
610 0 : NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
611 0 : DEBUG(1,("smbXsrv_tcon_global_verify_record: "
612 : "key '%s' ndr_pull_struct_blob - %s\n",
613 : tdb_data_dbg(key),
614 : nt_errstr(status)));
615 0 : TALLOC_FREE(frame);
616 0 : return;
617 : }
618 :
619 0 : DEBUG(10,("smbXsrv_tcon_global_verify_record\n"));
620 0 : if (DEBUGLVL(10)) {
621 0 : NDR_PRINT_DEBUG(smbXsrv_tcon_globalB, &global_blob);
622 : }
623 :
624 0 : if (global_blob.version != SMBXSRV_VERSION_0) {
625 0 : DEBUG(0,("smbXsrv_tcon_global_verify_record: "
626 : "key '%s' use unsupported version %u\n",
627 : tdb_data_dbg(key),
628 : global_blob.version));
629 0 : NDR_PRINT_DEBUG(smbXsrv_tcon_globalB, &global_blob);
630 0 : TALLOC_FREE(frame);
631 0 : return;
632 : }
633 :
634 0 : global = global_blob.info.info0;
635 :
636 0 : exists = serverid_exists(&global->server_id);
637 0 : if (!exists) {
638 : struct server_id_buf idbuf;
639 0 : DEBUG(2,("smbXsrv_tcon_global_verify_record: "
640 : "key '%s' server_id %s does not exist.\n",
641 : tdb_data_dbg(key),
642 : server_id_str_buf(global->server_id, &idbuf)));
643 0 : if (DEBUGLVL(2)) {
644 0 : NDR_PRINT_DEBUG(smbXsrv_tcon_globalB, &global_blob);
645 : }
646 0 : TALLOC_FREE(frame);
647 0 : dbwrap_record_delete(db_rec);
648 0 : *is_free = true;
649 0 : return;
650 : }
651 :
652 0 : if (_g) {
653 0 : *_g = talloc_move(mem_ctx, &global);
654 : }
655 0 : TALLOC_FREE(frame);
656 : }
657 :
658 11091 : static NTSTATUS smbXsrv_tcon_global_store(struct smbXsrv_tcon_global0 *global)
659 : {
660 : struct smbXsrv_tcon_globalB global_blob;
661 11091 : DATA_BLOB blob = data_blob_null;
662 : TDB_DATA key;
663 : TDB_DATA val;
664 : NTSTATUS status;
665 : enum ndr_err_code ndr_err;
666 :
667 : /*
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.
671 : */
672 :
673 11091 : if (global->db_rec == NULL) {
674 0 : return NT_STATUS_INTERNAL_ERROR;
675 : }
676 :
677 11091 : key = dbwrap_record_get_key(global->db_rec);
678 11091 : val = dbwrap_record_get_value(global->db_rec);
679 :
680 11091 : ZERO_STRUCT(global_blob);
681 11091 : global_blob.version = smbXsrv_version_global_current();
682 11091 : if (val.dsize >= 8) {
683 5464 : global_blob.seqnum = IVAL(val.dptr, 4);
684 : }
685 11091 : global_blob.seqnum += 1;
686 11091 : global_blob.info.info0 = global;
687 :
688 11091 : ndr_err = ndr_push_struct_blob(&blob, global->db_rec, &global_blob,
689 : (ndr_push_flags_fn_t)ndr_push_smbXsrv_tcon_globalB);
690 11091 : if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
691 0 : status = ndr_map_error2ntstatus(ndr_err);
692 0 : DEBUG(1,("smbXsrv_tcon_global_store: key '%s' ndr_push - %s\n",
693 : tdb_data_dbg(key),
694 : nt_errstr(status)));
695 0 : TALLOC_FREE(global->db_rec);
696 0 : return status;
697 : }
698 :
699 11091 : val = make_tdb_data(blob.data, blob.length);
700 11091 : status = dbwrap_record_store(global->db_rec, val, TDB_REPLACE);
701 11091 : if (!NT_STATUS_IS_OK(status)) {
702 0 : DEBUG(1,("smbXsrv_tcon_global_store: key '%s' store - %s\n",
703 : tdb_data_dbg(key),
704 : nt_errstr(status)));
705 0 : TALLOC_FREE(global->db_rec);
706 0 : return status;
707 : }
708 :
709 11091 : if (DEBUGLVL(10)) {
710 0 : DEBUG(10,("smbXsrv_tcon_global_store: key '%s' stored\n",
711 : tdb_data_dbg(key)));
712 0 : NDR_PRINT_DEBUG(smbXsrv_tcon_globalB, &global_blob);
713 : }
714 :
715 11091 : TALLOC_FREE(global->db_rec);
716 :
717 11091 : return NT_STATUS_OK;
718 : }
719 :
720 5627 : static int smbXsrv_tcon_destructor(struct smbXsrv_tcon *tcon)
721 : {
722 : NTSTATUS status;
723 :
724 5627 : status = smbXsrv_tcon_disconnect(tcon, 0);
725 5627 : if (!NT_STATUS_IS_OK(status)) {
726 0 : DEBUG(0, ("smbXsrv_tcon_destructor: "
727 : "smbXsrv_tcon_disconnect() failed - %s\n",
728 : nt_errstr(status)));
729 : }
730 :
731 5627 : TALLOC_FREE(tcon->global);
732 :
733 5627 : return 0;
734 : }
735 :
736 5627 : static NTSTATUS smbXsrv_tcon_create(struct smbXsrv_tcon_table *table,
737 : enum protocol_types protocol,
738 : struct server_id server_id,
739 : NTTIME now,
740 : uint32_t session_global_id,
741 : uint8_t encryption_flags,
742 : const char *share_name,
743 : struct smbXsrv_tcon **_tcon)
744 : {
745 5627 : struct db_record *local_rec = NULL;
746 5627 : struct smbXsrv_tcon *tcon = NULL;
747 5627 : void *ptr = NULL;
748 : TDB_DATA val;
749 5627 : struct smbXsrv_tcon_global0 *global = NULL;
750 : NTSTATUS status;
751 :
752 5627 : if (table->local.num_tcons >= table->local.max_tcons) {
753 0 : return NT_STATUS_INSUFFICIENT_RESOURCES;
754 : }
755 :
756 5627 : tcon = talloc_zero(table, struct smbXsrv_tcon);
757 5627 : if (tcon == NULL) {
758 0 : return NT_STATUS_NO_MEMORY;
759 : }
760 5627 : tcon->table = table;
761 5627 : tcon->status = NT_STATUS_INTERNAL_ERROR;
762 5627 : tcon->idle_time = now;
763 :
764 5627 : status = smbXsrv_tcon_global_allocate(table->global.db_ctx,
765 : tcon, &global);
766 5627 : if (!NT_STATUS_IS_OK(status)) {
767 0 : TALLOC_FREE(tcon);
768 0 : return status;
769 : }
770 5627 : tcon->global = global;
771 :
772 5627 : global->session_global_id = session_global_id;
773 5627 : global->encryption_flags = encryption_flags;
774 5627 : global->share_name = talloc_strdup(global, share_name);
775 5627 : if (global->share_name == NULL) {
776 0 : TALLOC_FREE(tcon);
777 0 : return NT_STATUS_NO_MEMORY;
778 : }
779 :
780 5627 : if (protocol >= PROTOCOL_SMB2_02) {
781 5599 : uint64_t id = global->tcon_global_id;
782 :
783 5599 : global->tcon_wire_id = id;
784 :
785 5599 : tcon->local_id = global->tcon_global_id;
786 :
787 5599 : local_rec = smbXsrv_tcon_local_fetch_locked(table->local.db_ctx,
788 : tcon->local_id,
789 : tcon /* TALLOC_CTX */);
790 5599 : if (local_rec == NULL) {
791 0 : TALLOC_FREE(tcon);
792 0 : return NT_STATUS_NO_MEMORY;
793 : }
794 :
795 5599 : val = dbwrap_record_get_value(local_rec);
796 5599 : if (val.dsize != 0) {
797 0 : TALLOC_FREE(tcon);
798 0 : return NT_STATUS_INTERNAL_DB_CORRUPTION;
799 : }
800 : } else {
801 :
802 28 : status = smb1srv_tcon_local_allocate_id(table->local.db_ctx,
803 : table->local.lowest_id,
804 : table->local.highest_id,
805 : tcon,
806 : &local_rec,
807 : &tcon->local_id);
808 28 : if (!NT_STATUS_IS_OK(status)) {
809 0 : TALLOC_FREE(tcon);
810 0 : return status;
811 : }
812 :
813 28 : global->tcon_wire_id = tcon->local_id;
814 : }
815 :
816 5627 : global->creation_time = now;
817 :
818 5627 : global->server_id = server_id;
819 :
820 5627 : ptr = tcon;
821 5627 : val = make_tdb_data((uint8_t const *)&ptr, sizeof(ptr));
822 5627 : status = dbwrap_record_store(local_rec, val, TDB_REPLACE);
823 5627 : TALLOC_FREE(local_rec);
824 5627 : if (!NT_STATUS_IS_OK(status)) {
825 0 : TALLOC_FREE(tcon);
826 0 : return status;
827 : }
828 5627 : table->local.num_tcons += 1;
829 :
830 5627 : talloc_set_destructor(tcon, smbXsrv_tcon_destructor);
831 :
832 5627 : status = smbXsrv_tcon_global_store(global);
833 5627 : if (!NT_STATUS_IS_OK(status)) {
834 0 : DEBUG(0,("smbXsrv_tcon_create: "
835 : "global_id (0x%08x) store failed - %s\n",
836 : tcon->global->tcon_global_id,
837 : nt_errstr(status)));
838 0 : TALLOC_FREE(tcon);
839 0 : return status;
840 : }
841 :
842 5627 : if (DEBUGLVL(10)) {
843 0 : struct smbXsrv_tconB tcon_blob = {
844 : .version = SMBXSRV_VERSION_0,
845 : .info.info0 = tcon,
846 : };
847 :
848 0 : DEBUG(10,("smbXsrv_tcon_create: global_id (0x%08x) stored\n",
849 : tcon->global->tcon_global_id));
850 0 : NDR_PRINT_DEBUG(smbXsrv_tconB, &tcon_blob);
851 : }
852 :
853 5627 : *_tcon = tcon;
854 5627 : return NT_STATUS_OK;
855 : }
856 :
857 5464 : NTSTATUS smbXsrv_tcon_update(struct smbXsrv_tcon *tcon)
858 : {
859 5464 : struct smbXsrv_tcon_table *table = tcon->table;
860 : NTSTATUS status;
861 :
862 5464 : if (tcon->global->db_rec != NULL) {
863 0 : DEBUG(0, ("smbXsrv_tcon_update(0x%08x): "
864 : "Called with db_rec != NULL'\n",
865 : tcon->global->tcon_global_id));
866 0 : return NT_STATUS_INTERNAL_ERROR;
867 : }
868 :
869 10928 : tcon->global->db_rec = smbXsrv_tcon_global_fetch_locked(
870 : table->global.db_ctx,
871 5464 : tcon->global->tcon_global_id,
872 5464 : tcon->global /* TALLOC_CTX */);
873 5464 : if (tcon->global->db_rec == NULL) {
874 0 : return NT_STATUS_INTERNAL_DB_ERROR;
875 : }
876 :
877 5464 : status = smbXsrv_tcon_global_store(tcon->global);
878 5464 : if (!NT_STATUS_IS_OK(status)) {
879 0 : DEBUG(0,("smbXsrv_tcon_update: "
880 : "global_id (0x%08x) store failed - %s\n",
881 : tcon->global->tcon_global_id,
882 : nt_errstr(status)));
883 0 : return status;
884 : }
885 :
886 5464 : if (DEBUGLVL(10)) {
887 0 : struct smbXsrv_tconB tcon_blob = {
888 : .version = SMBXSRV_VERSION_0,
889 : .info.info0 = tcon,
890 : };
891 :
892 0 : DEBUG(10,("smbXsrv_tcon_update: global_id (0x%08x) stored\n",
893 : tcon->global->tcon_global_id));
894 0 : NDR_PRINT_DEBUG(smbXsrv_tconB, &tcon_blob);
895 : }
896 :
897 5464 : return NT_STATUS_OK;
898 : }
899 :
900 11242 : NTSTATUS smbXsrv_tcon_disconnect(struct smbXsrv_tcon *tcon, uint64_t vuid)
901 : {
902 : struct smbXsrv_tcon_table *table;
903 11242 : struct db_record *local_rec = NULL;
904 11242 : struct db_record *global_rec = NULL;
905 : NTSTATUS status;
906 11242 : NTSTATUS error = NT_STATUS_OK;
907 :
908 11242 : if (tcon->table == NULL) {
909 5615 : return NT_STATUS_OK;
910 : }
911 :
912 5627 : table = tcon->table;
913 5627 : tcon->table = NULL;
914 :
915 5627 : if (tcon->compat) {
916 : bool ok;
917 :
918 5615 : ok = chdir_current_service(tcon->compat);
919 5615 : if (!ok) {
920 8 : status = NT_STATUS_INTERNAL_ERROR;
921 8 : DEBUG(0, ("smbXsrv_tcon_disconnect(0x%08x, '%s'): "
922 : "chdir_current_service() failed: %s\n",
923 : tcon->global->tcon_global_id,
924 : tcon->global->share_name,
925 : nt_errstr(status)));
926 : /*
927 : * We must call close_cnum() on
928 : * error, as the caller is going
929 : * to free tcon and tcon->compat
930 : * so we must ensure tcon->compat is
931 : * removed from the linked list
932 : * conn->sconn->connections.
933 : */
934 8 : close_cnum(tcon->compat, vuid, ERROR_CLOSE);
935 8 : tcon->compat = NULL;
936 8 : return status;
937 : }
938 :
939 5607 : close_cnum(tcon->compat, vuid, SHUTDOWN_CLOSE);
940 5607 : tcon->compat = NULL;
941 : }
942 :
943 5619 : tcon->status = NT_STATUS_NETWORK_NAME_DELETED;
944 :
945 5619 : global_rec = tcon->global->db_rec;
946 5619 : tcon->global->db_rec = NULL;
947 5619 : if (global_rec == NULL) {
948 5619 : global_rec = smbXsrv_tcon_global_fetch_locked(
949 : table->global.db_ctx,
950 5619 : tcon->global->tcon_global_id,
951 5619 : tcon->global /* TALLOC_CTX */);
952 5619 : if (global_rec == NULL) {
953 0 : error = NT_STATUS_INTERNAL_ERROR;
954 : }
955 : }
956 :
957 5619 : if (global_rec != NULL) {
958 5619 : status = dbwrap_record_delete(global_rec);
959 5619 : if (!NT_STATUS_IS_OK(status)) {
960 0 : TDB_DATA key = dbwrap_record_get_key(global_rec);
961 :
962 0 : DEBUG(0, ("smbXsrv_tcon_disconnect(0x%08x, '%s'): "
963 : "failed to delete global key '%s': %s\n",
964 : tcon->global->tcon_global_id,
965 : tcon->global->share_name,
966 : tdb_data_dbg(key),
967 : nt_errstr(status)));
968 0 : error = status;
969 : }
970 : }
971 5619 : TALLOC_FREE(global_rec);
972 :
973 5619 : local_rec = tcon->db_rec;
974 5619 : if (local_rec == NULL) {
975 2438 : local_rec = smbXsrv_tcon_local_fetch_locked(table->local.db_ctx,
976 : tcon->local_id,
977 : tcon /* TALLOC_CTX */);
978 2438 : if (local_rec == NULL) {
979 0 : error = NT_STATUS_INTERNAL_ERROR;
980 : }
981 : }
982 :
983 5619 : if (local_rec != NULL) {
984 5619 : status = dbwrap_record_delete(local_rec);
985 5619 : if (!NT_STATUS_IS_OK(status)) {
986 0 : TDB_DATA key = dbwrap_record_get_key(local_rec);
987 :
988 0 : DEBUG(0, ("smbXsrv_tcon_disconnect(0x%08x, '%s'): "
989 : "failed to delete local key '%s': %s\n",
990 : tcon->global->tcon_global_id,
991 : tcon->global->share_name,
992 : tdb_data_dbg(key),
993 : nt_errstr(status)));
994 0 : error = status;
995 : }
996 5619 : table->local.num_tcons -= 1;
997 : }
998 5619 : if (tcon->db_rec == NULL) {
999 2438 : TALLOC_FREE(local_rec);
1000 : }
1001 5619 : tcon->db_rec = NULL;
1002 :
1003 5619 : return error;
1004 : }
1005 :
1006 : struct smbXsrv_tcon_disconnect_all_state {
1007 : uint64_t vuid;
1008 : NTSTATUS first_status;
1009 : int errors;
1010 : };
1011 :
1012 : static int smbXsrv_tcon_disconnect_all_callback(struct db_record *local_rec,
1013 : void *private_data);
1014 :
1015 10165 : static NTSTATUS smbXsrv_tcon_disconnect_all(struct smbXsrv_tcon_table *table,
1016 : uint64_t vuid)
1017 : {
1018 : struct smbXsrv_tcon_disconnect_all_state state;
1019 : NTSTATUS status;
1020 10165 : int count = 0;
1021 :
1022 10165 : if (table == NULL) {
1023 5213 : return NT_STATUS_OK;
1024 : }
1025 :
1026 4952 : ZERO_STRUCT(state);
1027 4952 : state.vuid = vuid;
1028 :
1029 4952 : status = dbwrap_traverse(table->local.db_ctx,
1030 : smbXsrv_tcon_disconnect_all_callback,
1031 : &state, &count);
1032 4952 : if (!NT_STATUS_IS_OK(status)) {
1033 0 : DEBUG(0, ("smbXsrv_tcon_disconnect_all: "
1034 : "dbwrap_traverse() failed: %s\n",
1035 : nt_errstr(status)));
1036 0 : return status;
1037 : }
1038 :
1039 4952 : if (!NT_STATUS_IS_OK(state.first_status)) {
1040 8 : DEBUG(0, ("smbXsrv_tcon_disconnect_all: "
1041 : "count[%d] errors[%d] first[%s]\n",
1042 : count, state.errors,
1043 : nt_errstr(state.first_status)));
1044 8 : return state.first_status;
1045 : }
1046 :
1047 4944 : return NT_STATUS_OK;
1048 : }
1049 :
1050 3189 : static int smbXsrv_tcon_disconnect_all_callback(struct db_record *local_rec,
1051 : void *private_data)
1052 : {
1053 3189 : struct smbXsrv_tcon_disconnect_all_state *state =
1054 : (struct smbXsrv_tcon_disconnect_all_state *)private_data;
1055 : TDB_DATA val;
1056 3189 : void *ptr = NULL;
1057 3189 : struct smbXsrv_tcon *tcon = NULL;
1058 : uint64_t vuid;
1059 : NTSTATUS status;
1060 :
1061 3189 : val = dbwrap_record_get_value(local_rec);
1062 3189 : if (val.dsize != sizeof(ptr)) {
1063 0 : status = NT_STATUS_INTERNAL_ERROR;
1064 0 : if (NT_STATUS_IS_OK(state->first_status)) {
1065 0 : state->first_status = status;
1066 : }
1067 0 : state->errors++;
1068 0 : return 0;
1069 : }
1070 :
1071 3189 : memcpy(&ptr, val.dptr, val.dsize);
1072 3189 : tcon = talloc_get_type_abort(ptr, struct smbXsrv_tcon);
1073 :
1074 3189 : vuid = state->vuid;
1075 3189 : if (vuid == 0 && tcon->compat) {
1076 0 : vuid = tcon->compat->vuid;
1077 : }
1078 :
1079 3189 : tcon->db_rec = local_rec;
1080 3189 : status = smbXsrv_tcon_disconnect(tcon, vuid);
1081 3189 : tcon->db_rec = NULL;
1082 3189 : if (!NT_STATUS_IS_OK(status)) {
1083 8 : if (NT_STATUS_IS_OK(state->first_status)) {
1084 8 : state->first_status = status;
1085 : }
1086 8 : state->errors++;
1087 8 : return 0;
1088 : }
1089 :
1090 3181 : return 0;
1091 : }
1092 :
1093 38 : NTSTATUS smb1srv_tcon_table_init(struct smbXsrv_connection *conn)
1094 : {
1095 38 : struct smbXsrv_client *client = conn->client;
1096 :
1097 : /*
1098 : * Allow a range from 1..65534 with 65534 values.
1099 : */
1100 38 : client->tcon_table = talloc_zero(client, struct smbXsrv_tcon_table);
1101 38 : if (client->tcon_table == NULL) {
1102 0 : return NT_STATUS_NO_MEMORY;
1103 : }
1104 :
1105 38 : return smbXsrv_tcon_table_init(client, client->tcon_table,
1106 : 1, UINT16_MAX - 1,
1107 : UINT16_MAX - 1);
1108 : }
1109 :
1110 28 : NTSTATUS smb1srv_tcon_create(struct smbXsrv_connection *conn,
1111 : uint32_t session_global_id,
1112 : const char *share_name,
1113 : NTTIME now,
1114 : struct smbXsrv_tcon **_tcon)
1115 : {
1116 28 : struct server_id id = messaging_server_id(conn->client->msg_ctx);
1117 28 : const uint8_t encryption_flags = 0;
1118 :
1119 28 : return smbXsrv_tcon_create(conn->client->tcon_table,
1120 : conn->protocol,
1121 : id, now,
1122 : session_global_id,
1123 : encryption_flags,
1124 : share_name,
1125 : _tcon);
1126 : }
1127 :
1128 3675 : NTSTATUS smb1srv_tcon_lookup(struct smbXsrv_connection *conn,
1129 : uint16_t tree_id, NTTIME now,
1130 : struct smbXsrv_tcon **tcon)
1131 : {
1132 3675 : uint32_t local_id = tree_id;
1133 :
1134 3675 : return smbXsrv_tcon_local_lookup(conn->client->tcon_table,
1135 : local_id, now, tcon);
1136 : }
1137 :
1138 5251 : NTSTATUS smb1srv_tcon_disconnect_all(struct smbXsrv_client *client)
1139 : {
1140 :
1141 : /*
1142 : * We do not pass a vuid here,
1143 : * which means the vuid is taken from
1144 : * the tcon->compat->vuid.
1145 : *
1146 : * NOTE: that tcon->compat->vuid may point to
1147 : * a none existing vuid (or the wrong one)
1148 : * as the tcon can exist without a session
1149 : * in SMB1.
1150 : *
1151 : * This matches the old behavior of
1152 : * conn_close_all(), but we should think
1153 : * about how to fix this in future.
1154 : */
1155 5251 : return smbXsrv_tcon_disconnect_all(client->tcon_table, 0);
1156 : }
1157 :
1158 4914 : NTSTATUS smb2srv_tcon_table_init(struct smbXsrv_session *session)
1159 : {
1160 : /*
1161 : * Allow a range from 1..4294967294 with 65534 (same as SMB1) values.
1162 : */
1163 4914 : session->tcon_table = talloc_zero(session, struct smbXsrv_tcon_table);
1164 4914 : if (session->tcon_table == NULL) {
1165 0 : return NT_STATUS_NO_MEMORY;
1166 : }
1167 :
1168 4914 : return smbXsrv_tcon_table_init(session, session->tcon_table,
1169 : 1, UINT32_MAX - 1,
1170 : UINT16_MAX - 1);
1171 : }
1172 :
1173 5599 : NTSTATUS smb2srv_tcon_create(struct smbXsrv_session *session,
1174 : uint32_t session_global_id,
1175 : uint8_t encryption_flags,
1176 : const char *share_name,
1177 : NTTIME now,
1178 : struct smbXsrv_tcon **_tcon)
1179 : {
1180 5599 : struct server_id id = messaging_server_id(session->client->msg_ctx);
1181 :
1182 5599 : return smbXsrv_tcon_create(session->tcon_table,
1183 : PROTOCOL_SMB2_02,
1184 : id, now,
1185 : session_global_id,
1186 : encryption_flags,
1187 : share_name,
1188 : _tcon);
1189 : }
1190 :
1191 136294 : NTSTATUS smb2srv_tcon_lookup(struct smbXsrv_session *session,
1192 : uint32_t tree_id, NTTIME now,
1193 : struct smbXsrv_tcon **tcon)
1194 : {
1195 136294 : uint32_t local_id = tree_id;
1196 :
1197 136294 : return smbXsrv_tcon_local_lookup(session->tcon_table,
1198 : local_id, now, tcon);
1199 : }
1200 :
1201 4914 : NTSTATUS smb2srv_tcon_disconnect_all(struct smbXsrv_session *session)
1202 : {
1203 4914 : uint64_t vuid = session->global->session_wire_id;
1204 :
1205 4914 : return smbXsrv_tcon_disconnect_all(session->tcon_table, vuid);
1206 : }
1207 :
1208 : struct smbXsrv_tcon_global_traverse_state {
1209 : int (*fn)(struct smbXsrv_tcon_global0 *, void *);
1210 : void *private_data;
1211 : };
1212 :
1213 91 : static int smbXsrv_tcon_global_traverse_fn(struct db_record *rec, void *data)
1214 : {
1215 91 : int ret = -1;
1216 91 : struct smbXsrv_tcon_global_traverse_state *state =
1217 : (struct smbXsrv_tcon_global_traverse_state*)data;
1218 91 : TDB_DATA key = dbwrap_record_get_key(rec);
1219 91 : TDB_DATA val = dbwrap_record_get_value(rec);
1220 91 : DATA_BLOB blob = data_blob_const(val.dptr, val.dsize);
1221 : struct smbXsrv_tcon_globalB global_blob;
1222 : enum ndr_err_code ndr_err;
1223 91 : TALLOC_CTX *frame = talloc_stackframe();
1224 :
1225 91 : ndr_err = ndr_pull_struct_blob(&blob, frame, &global_blob,
1226 : (ndr_pull_flags_fn_t)ndr_pull_smbXsrv_tcon_globalB);
1227 91 : if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
1228 0 : DEBUG(1,("Invalid record in smbXsrv_tcon_global.tdb:"
1229 : "key '%s' ndr_pull_struct_blob - %s\n",
1230 : tdb_data_dbg(key),
1231 : ndr_errstr(ndr_err)));
1232 0 : goto done;
1233 : }
1234 :
1235 91 : if (global_blob.version != SMBXSRV_VERSION_0) {
1236 0 : DEBUG(1,("Invalid record in smbXsrv_tcon_global.tdb:"
1237 : "key '%s' unsupported version - %d\n",
1238 : tdb_data_dbg(key),
1239 : (int)global_blob.version));
1240 0 : goto done;
1241 : }
1242 :
1243 91 : if (global_blob.info.info0 == NULL) {
1244 0 : DEBUG(1,("Invalid record in smbXsrv_tcon_global.tdb:"
1245 : "key '%s' info0 NULL pointer\n",
1246 : tdb_data_dbg(key)));
1247 0 : goto done;
1248 : }
1249 :
1250 91 : global_blob.info.info0->db_rec = rec;
1251 91 : ret = state->fn(global_blob.info.info0, state->private_data);
1252 91 : done:
1253 91 : TALLOC_FREE(frame);
1254 91 : return ret;
1255 : }
1256 :
1257 21 : NTSTATUS smbXsrv_tcon_global_traverse(
1258 : int (*fn)(struct smbXsrv_tcon_global0 *, void *),
1259 : void *private_data)
1260 : {
1261 : NTSTATUS status;
1262 21 : int count = 0;
1263 21 : struct smbXsrv_tcon_global_traverse_state state = {
1264 : .fn = fn,
1265 : .private_data = private_data,
1266 : };
1267 :
1268 21 : become_root();
1269 21 : status = smbXsrv_tcon_global_init();
1270 21 : if (!NT_STATUS_IS_OK(status)) {
1271 0 : unbecome_root();
1272 0 : DEBUG(0, ("Failed to initialize tcon_global: %s\n",
1273 : nt_errstr(status)));
1274 0 : return status;
1275 : }
1276 :
1277 21 : status = dbwrap_traverse_read(smbXsrv_tcon_global_db_ctx,
1278 : smbXsrv_tcon_global_traverse_fn,
1279 : &state,
1280 : &count);
1281 21 : unbecome_root();
1282 :
1283 21 : return status;
1284 : }
|
