2 Samba Unix/Linux SMB client library
4 Copyright (C) Volker Lendecke 2010
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "utils/net.h"
22 #include "dbwrap/dbwrap.h"
23 #include "dbwrap/dbwrap_rbt.h"
26 #include "lib/conn_tdb.h"
27 #include "smbd/globals.h"
30 static int net_serverid_list_fn(const struct server_id
*id
,
31 uint32_t msg_flags
, void *priv
)
33 struct server_id_buf idbuf
;
34 d_printf("%s %llu 0x%x\n", server_id_str_buf(*id
, &idbuf
),
35 (unsigned long long)id
->unique_id
,
36 (unsigned int)msg_flags
);
40 static int net_serverid_list(struct net_context
*c
, int argc
,
43 d_printf("pid unique_id msg_flags\n");
44 return serverid_traverse_read(net_serverid_list_fn
, NULL
) ? 0 : -1;
47 static int net_serverid_wipe_fn(struct db_record
*rec
,
48 const struct server_id
*id
,
49 uint32_t msg_flags
, void *private_data
)
53 if (id
->vnn
!= get_my_vnn()) {
56 status
= dbwrap_record_delete(rec
);
57 if (!NT_STATUS_IS_OK(status
)) {
58 struct server_id_buf idbuf
;
59 DEBUG(1, ("Could not delete serverid.tdb record %s: %s\n",
60 server_id_str_buf(*id
, &idbuf
), nt_errstr(status
)));
65 static int net_serverid_wipe(struct net_context
*c
, int argc
,
68 return serverid_traverse(net_serverid_wipe_fn
, NULL
) ? 0 : -1;
72 struct wipedbs_record_marker
{
73 struct wipedbs_record_marker
*prev
, *next
;
78 struct wipedbs_server_data
{
79 struct server_id server_id
;
80 const char *server_id_str
;
82 struct wipedbs_record_marker
*session_records
;
83 struct wipedbs_record_marker
*tcon_records
;
84 struct wipedbs_record_marker
*open_records
;
87 struct wipedbs_state
{
88 struct db_context
*id2server_data
;
100 } session
, tcon
, open
;
103 struct server_id
*server_ids
;
106 struct db_context
*session_db
;
107 struct db_context
*tcon_db
;
108 struct db_context
*open_db
;
114 static struct wipedbs_server_data
*get_server_data(struct wipedbs_state
*state
,
115 const struct server_id
*id
)
117 struct wipedbs_server_data
*ret
= NULL
;
118 TDB_DATA key
, val
= tdb_null
;
121 key
= make_tdb_data((const void*)&id
->unique_id
, sizeof(id
->unique_id
));
122 status
= dbwrap_fetch(state
->id2server_data
, talloc_tos(), key
, &val
);
123 if (NT_STATUS_IS_OK(status
)) {
124 ret
= *(struct wipedbs_server_data
**) val
.dptr
;
125 TALLOC_FREE(val
.dptr
);
126 } else if (NT_STATUS_EQUAL(status
, NT_STATUS_NOT_FOUND
)) {
127 struct server_id_buf idbuf
;
129 server_id_str_buf(*id
, &idbuf
);
131 ret
= talloc_zero(state
->id2server_data
,
132 struct wipedbs_server_data
);
134 DEBUG(0, ("Failed to allocate server entry for %s\n",
138 ret
->server_id
= *id
;
139 ret
->server_id_str
= talloc_strdup(ret
, idbuf
.buf
);
141 val
= make_tdb_data((const void*)&ret
, sizeof(ret
));
142 status
= dbwrap_store(state
->id2server_data
,
143 key
, val
, TDB_INSERT
);
144 if (!NT_STATUS_IS_OK(status
)) {
145 DEBUG(0, ("Failed to store server entry for %s: %s\n",
146 idbuf
.buf
, nt_errstr(status
)));
150 struct server_id_buf idbuf
;
151 DEBUG(0, ("Failed to fetch server entry for %s: %s\n",
152 server_id_str_buf(*id
, &idbuf
), nt_errstr(status
)));
155 if (!server_id_equal(id
, &ret
->server_id
)) {
156 struct server_id_buf idbuf1
, idbuf2
;
157 DEBUG(0, ("uniq id collision for %s and %s\n",
158 server_id_str_buf(*id
, &idbuf1
),
159 server_id_str_buf(ret
->server_id
, &idbuf2
)));
160 smb_panic("server_id->unique_id not unique!");
166 static int wipedbs_traverse_sessions(struct smbXsrv_session_global0
*session
,
169 struct wipedbs_state
*state
=
170 talloc_get_type_abort(wipedbs_state
,
171 struct wipedbs_state
);
172 struct wipedbs_server_data
*sd
;
173 struct wipedbs_record_marker
*rec
;
177 assert(session
->num_channels
== 1);
179 state
->stat
.session
.total
++;
181 sd
= get_server_data(state
, &session
->channels
[0].server_id
);
186 if (server_id_is_disconnected(&sd
->server_id
)) {
187 state
->stat
.session
.disconnected
++;
190 rec
= talloc_zero(sd
, struct wipedbs_record_marker
);
192 DEBUG(0, ("Out of memory!\n"));
196 tmp
= dbwrap_record_get_key(session
->db_rec
);
197 rec
->key
= tdb_data_talloc_copy(rec
, tmp
);
198 tmp
= dbwrap_record_get_value(session
->db_rec
);
199 rec
->val
= tdb_data_talloc_copy(rec
, tmp
);
201 rec
->desc
= talloc_asprintf(
202 rec
, "session[global: %u wire: %llu]",
203 session
->session_global_id
,
204 (long long unsigned)session
->session_wire_id
);
206 if ((rec
->key
.dptr
== NULL
) || (rec
->val
.dptr
== NULL
) ||
209 DEBUG(0, ("Out of memory!\n"));
213 state
->session_db
= dbwrap_record_get_db(session
->db_rec
);
215 DLIST_ADD(sd
->session_records
, rec
);
221 static int wipedbs_traverse_tcon(struct smbXsrv_tcon_global0
*tcon
,
224 struct wipedbs_state
*state
=
225 talloc_get_type_abort(wipedbs_state
,
226 struct wipedbs_state
);
227 struct wipedbs_server_data
*sd
;
228 struct wipedbs_record_marker
*rec
;
232 state
->stat
.tcon
.total
++;
234 sd
= get_server_data(state
, &tcon
->server_id
);
239 if (server_id_is_disconnected(&sd
->server_id
)) {
240 state
->stat
.tcon
.disconnected
++;
243 rec
= talloc_zero(sd
, struct wipedbs_record_marker
);
245 DEBUG(0, ("Out of memory!\n"));
249 tmp
= dbwrap_record_get_key(tcon
->db_rec
);
250 rec
->key
= tdb_data_talloc_copy(rec
, tmp
);
251 tmp
= dbwrap_record_get_value(tcon
->db_rec
);
252 rec
->val
= tdb_data_talloc_copy(rec
, tmp
);
254 rec
->desc
= talloc_asprintf(
255 rec
, "tcon[global: %u wire: %u session: %u share: %s]",
256 tcon
->tcon_global_id
, tcon
->tcon_wire_id
,
257 tcon
->session_global_id
, tcon
->share_name
);
259 if ((rec
->key
.dptr
== NULL
) || (rec
->val
.dptr
== NULL
) ||
262 DEBUG(0, ("Out of memory!\n"));
266 state
->tcon_db
= dbwrap_record_get_db(tcon
->db_rec
);
268 DLIST_ADD(sd
->tcon_records
, rec
);
275 static int wipedbs_traverse_open(struct smbXsrv_open_global0
*open
,
278 struct wipedbs_state
*state
=
279 talloc_get_type_abort(wipedbs_state
,
280 struct wipedbs_state
);
281 struct wipedbs_server_data
*sd
;
282 struct wipedbs_record_marker
*rec
;
286 state
->stat
.open
.total
++;
288 sd
= get_server_data(state
, &open
->server_id
);
293 if (server_id_is_disconnected(&sd
->server_id
)) {
294 struct timeval disconnect_time
;
298 state
->stat
.open
.disconnected
++;
300 nttime_to_timeval(&disconnect_time
, open
->disconnect_time
);
301 tdiff
= usec_time_diff(&state
->now
, &disconnect_time
);
302 reached
= (tdiff
>= 1000*open
->durable_timeout_msec
);
304 if (state
->verbose
) {
305 TALLOC_CTX
*mem_ctx
= talloc_new(talloc_tos());
306 d_printf("open[global: %u] disconnected at "
307 "[%s] %us ago with timeout of %us "
309 open
->open_global_id
,
310 nt_time_string(mem_ctx
, open
->disconnect_time
),
311 (unsigned)(tdiff
/1000000),
312 open
->durable_timeout_msec
/ 1000,
313 reached
? "" : " not");
314 talloc_free(mem_ctx
);
321 state
->stat
.open_timed_out
++;
324 rec
= talloc_zero(sd
, struct wipedbs_record_marker
);
326 DEBUG(0, ("Out of memory!\n"));
330 tmp
= dbwrap_record_get_key(open
->db_rec
);
331 rec
->key
= tdb_data_talloc_copy(rec
, tmp
);
332 tmp
= dbwrap_record_get_value(open
->db_rec
);
333 rec
->val
= tdb_data_talloc_copy(rec
, tmp
);
335 rec
->desc
= talloc_asprintf(
336 rec
, "open[global: %u persistent: %llu volatile: %llu]",
337 open
->open_global_id
,
338 (long long unsigned)open
->open_persistent_id
,
339 (long long unsigned)open
->open_volatile_id
);
341 if ((rec
->key
.dptr
== NULL
) || (rec
->val
.dptr
== NULL
) ||
344 DEBUG(0, ("Out of memory!\n"));
348 state
->open_db
= dbwrap_record_get_db(open
->db_rec
);
350 DLIST_ADD(sd
->open_records
, rec
);
357 static int wipedbs_traverse_nop(struct db_record
*rec
, void *private_data
)
362 static int wipedbs_traverse_fill_ids(struct db_record
*rec
, void *wipedbs_state
)
364 struct wipedbs_state
*state
= talloc_get_type_abort(
365 wipedbs_state
, struct wipedbs_state
);
367 TDB_DATA val
= dbwrap_record_get_value(rec
);
369 struct wipedbs_server_data
*sd
= talloc_get_type_abort(
370 *(void**)val
.dptr
, struct wipedbs_server_data
);
372 state
->server_ids
[state
->idx
] = sd
->server_id
;
377 static int wipedbs_traverse_set_exists(struct db_record
*rec
,
380 struct wipedbs_state
*state
= talloc_get_type_abort(
381 wipedbs_state
, struct wipedbs_state
);
383 TDB_DATA val
= dbwrap_record_get_value(rec
);
385 struct wipedbs_server_data
*sd
= talloc_get_type_abort(
386 *(void**)val
.dptr
, struct wipedbs_server_data
);
388 /* assume a stable traverse order for rbt */
389 SMB_ASSERT(server_id_equal(&state
->server_ids
[state
->idx
],
391 sd
->exists
= state
->server_exists
[state
->idx
];
394 state
->stat
.server
.existing
++;
396 if (server_id_is_disconnected(&sd
->server_id
)) {
397 state
->stat
.server
.disconnected
++;
404 static NTSTATUS
wipedbs_check_server_exists(struct wipedbs_state
*state
)
410 status
= dbwrap_traverse_read(state
->id2server_data
,
411 wipedbs_traverse_nop
, NULL
, &num_servers
);
412 if (!NT_STATUS_IS_OK(status
)) {
413 DEBUG(0, ("Failed to traverse temporary database\n"));
416 state
->stat
.server
.total
= num_servers
;
418 state
->server_ids
= talloc_array(state
, struct server_id
, num_servers
);
419 state
->server_exists
= talloc_array(state
, bool, num_servers
);
420 if (state
->server_ids
== NULL
|| state
->server_exists
== NULL
) {
421 DEBUG(0, ("Out of memory\n"));
426 status
= dbwrap_traverse_read(state
->id2server_data
,
427 wipedbs_traverse_fill_ids
,
429 if (!NT_STATUS_IS_OK(status
)) {
430 DEBUG(0, ("Failed to traverse temporary database\n"));
434 ok
= serverids_exist(state
->server_ids
, num_servers
, state
->server_exists
);
436 DEBUG(0, ("Calling serverids_exist failed\n"));
437 status
= NT_STATUS_UNSUCCESSFUL
;
442 status
= dbwrap_traverse_read(state
->id2server_data
,
443 wipedbs_traverse_set_exists
, state
, NULL
);
444 if (!NT_STATUS_IS_OK(status
)) {
445 DEBUG(0, ("Failed to traverse temporary database\n"));
449 TALLOC_FREE(state
->server_ids
);
450 TALLOC_FREE(state
->server_exists
);
454 static int wipedbs_delete_records(struct db_context
*db
,
455 struct wipedbs_record_marker
*records
,
456 bool dry_run
, bool verbose
, int *count
)
458 struct wipedbs_record_marker
*cur
;
459 struct db_record
*rec
;
462 unsigned num
=0, total
=0;
468 for (cur
= records
; cur
!= NULL
; cur
= cur
->next
) {
470 rec
= dbwrap_fetch_locked(db
, talloc_tos(), cur
->key
);
472 DEBUG(0, ("Failed to fetch record <%s> from %s",
473 cur
->desc
, dbwrap_name(db
)));
476 val
= dbwrap_record_get_value(rec
);
477 if (tdb_data_equal(val
, cur
->val
)) {
479 status
= NT_STATUS_OK
;
481 status
= dbwrap_record_delete(rec
);
483 if (NT_STATUS_IS_OK(status
)) {
486 DEBUG(0, ("Failed to delete record <%s> from %s"
487 ": %s\n", cur
->desc
, dbwrap_name(db
),
491 DEBUG(0, ("Warning: record <%s> from %s changed"
493 cur
->desc
, dbwrap_name(db
)));
496 d_printf("deleting %s\n", cur
->desc
);
502 d_printf("Deleted %u of %u records from %s\n",
503 num
, total
, dbwrap_name(db
));
513 static int wipedbs_traverse_server_data(struct db_record
*rec
,
516 struct wipedbs_state
*state
= talloc_get_type_abort(
517 wipedbs_state
, struct wipedbs_state
);
518 bool dry_run
= state
->testmode
;
519 TDB_DATA val
= dbwrap_record_get_value(rec
);
521 struct wipedbs_server_data
*sd
= talloc_get_type_abort(
522 *(void**)val
.dptr
, struct wipedbs_server_data
);
524 if (state
->verbose
) {
525 d_printf("Server: '%s' %s\n", sd
->server_id_str
,
528 "does not exist, cleaning up...");
535 ret
= wipedbs_delete_records(state
->session_db
, sd
->session_records
,
536 dry_run
, state
->verbose
,
537 &state
->stat
.session
.todelete
);
538 state
->stat
.session
.failure
+= ret
;
540 ret
= wipedbs_delete_records(state
->tcon_db
, sd
->tcon_records
,
541 dry_run
, state
->verbose
,
542 &state
->stat
.tcon
.todelete
);
543 state
->stat
.tcon
.failure
+= ret
;
545 ret
= wipedbs_delete_records(state
->open_db
, sd
->open_records
,
546 dry_run
, state
->verbose
,
547 &state
->stat
.open
.todelete
);
548 state
->stat
.open
.failure
+= ret
;
553 static int net_serverid_wipedbs(struct net_context
*c
, int argc
,
558 struct wipedbs_state
*state
= talloc_zero(talloc_tos(),
559 struct wipedbs_state
);
561 if (c
->display_usage
) {
564 _("net serverid wipedbs [--test] [--verbose]\n"));
567 _("net serverid wipedbs -v\n"));
571 state
->now
= timeval_current();
572 state
->testmode
= c
->opt_testmode
;
573 state
->verbose
= c
->opt_verbose
;
575 state
->id2server_data
= db_open_rbt(state
);
576 if (state
->id2server_data
== NULL
) {
577 DEBUG(0, ("Failed to open temporary database\n"));
581 status
= smbXsrv_session_global_traverse(wipedbs_traverse_sessions
,
583 if (!NT_STATUS_IS_OK(status
)) {
587 status
= smbXsrv_tcon_global_traverse(wipedbs_traverse_tcon
, state
);
588 if (!NT_STATUS_IS_OK(status
)) {
592 status
= smbXsrv_open_global_traverse(wipedbs_traverse_open
, state
);
593 if (!NT_STATUS_IS_OK(status
)) {
597 status
= wipedbs_check_server_exists(state
);
598 if (!NT_STATUS_IS_OK(status
)) {
602 status
= dbwrap_traverse_read(state
->id2server_data
,
603 wipedbs_traverse_server_data
,
605 if (!NT_STATUS_IS_OK(status
)) {
606 DEBUG(0, ("Failed to traverse db: %s\n", nt_errstr(status
)));
610 d_printf("Found %d serverids, %d alive and %d disconnected\n",
611 state
->stat
.server
.total
,
612 state
->stat
.server
.existing
,
613 state
->stat
.server
.disconnected
);
614 d_printf("Found %d sessions, %d alive and %d disconnected"
615 ", cleaned up %d of %d entries\n",
616 state
->stat
.session
.total
,
617 state
->stat
.session
.total
- state
->stat
.session
.todelete
,
618 state
->stat
.session
.disconnected
,
619 state
->stat
.session
.todelete
- state
->stat
.session
.failure
,
620 state
->stat
.session
.todelete
);
621 d_printf("Found %d tcons, %d alive and %d disconnected"
622 ", cleaned up %d of %d entries\n",
623 state
->stat
.tcon
.total
,
624 state
->stat
.tcon
.total
- state
->stat
.tcon
.todelete
,
625 state
->stat
.tcon
.disconnected
,
626 state
->stat
.tcon
.todelete
- state
->stat
.tcon
.failure
,
627 state
->stat
.tcon
.todelete
);
628 d_printf("Found %d opens, %d alive, %d disconnected and %d timed out"
629 ", cleaned up %d of %d entries\n",
630 state
->stat
.open
.total
,
631 state
->stat
.open
.total
- state
->stat
.open
.todelete
632 - (state
->stat
.open
.disconnected
- state
->stat
.open_timed_out
),
633 state
->stat
.open
.disconnected
,
634 state
->stat
.open_timed_out
,
635 state
->stat
.open
.todelete
- state
->stat
.open
.failure
,
636 state
->stat
.open
.todelete
);
644 int net_serverid(struct net_context
*c
, int argc
, const char **argv
)
646 struct functable func
[] = {
651 N_("List all entries from serverid.tdb"),
652 N_("net serverid list\n"
653 " List all entries from serverid.tdb")
659 N_("Wipe the serverid.tdb for the current node"),
660 N_("net serverid wipe\n"
661 " Wipe the serverid.tdb for the current node")
665 net_serverid_wipedbs
,
667 N_("Clean dead entries from temporary databases"),
668 N_("net serverid wipedbs\n"
669 " Clean dead entries from temporary databases")
671 {NULL
, NULL
, 0, NULL
, NULL
}
674 return net_run_function(c
, argc
, argv
, "net serverid", func
);