2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 1994-1998
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 12 aug 96: Erik.Devriendt@te6.siemens.be
22 added support for shared memory implementation of share mode locking
24 21-Jul-1998: rsharpe@ns.aus.com (Richard Sharpe)
25 Added -L (locks only) -S (shares only) flags and code
30 * This program reports current SMB connections
34 #include "system/filesys.h"
35 #include "popt_common.h"
36 #include "dbwrap/dbwrap.h"
37 #include "dbwrap/dbwrap_open.h"
38 #include "../libcli/security/security.h"
40 #include "locking/proto.h"
42 #include "librpc/gen_ndr/open_files.h"
43 #include "smbd/smbd.h"
44 #include "librpc/gen_ndr/notify.h"
45 #include "lib/conn_tdb.h"
47 #include "status_profile.h"
48 #include "smbd/notifyd/notifyd.h"
50 #define SMB_MAXPIDS 2048
51 static uid_t Ucrit_uid
= 0; /* added by OH */
52 static struct server_id Ucrit_pid
[SMB_MAXPIDS
]; /* Ugly !!! */ /* added by OH */
53 static int Ucrit_MaxPid
=0; /* added by OH */
54 static unsigned int Ucrit_IsActive
= 0; /* added by OH */
56 static bool verbose
, brief
;
57 static bool shares_only
; /* Added by RJS */
58 static bool locks_only
; /* Added by RJS */
59 static bool processes_only
;
61 static bool numeric_only
;
62 static bool do_checks
= true;
64 const char *username
= NULL
;
67 static void Ucrit_addUid(uid_t uid
)
73 static unsigned int Ucrit_checkUid(uid_t uid
)
75 if ( !Ucrit_IsActive
)
78 if ( uid
== Ucrit_uid
)
84 static unsigned int Ucrit_checkPid(struct server_id pid
)
88 if ( !Ucrit_IsActive
)
91 for (i
=0;i
<Ucrit_MaxPid
;i
++) {
92 if (serverid_equal(&pid
, &Ucrit_pid
[i
])) {
100 static bool Ucrit_addPid( struct server_id pid
)
102 if ( !Ucrit_IsActive
)
105 if ( Ucrit_MaxPid
>= SMB_MAXPIDS
) {
106 d_printf("ERROR: More than %d pids for user %s!\n",
107 SMB_MAXPIDS
, uidtoname(Ucrit_uid
));
112 Ucrit_pid
[Ucrit_MaxPid
++] = pid
;
117 static int print_share_mode(const struct share_mode_entry
*e
,
118 const char *sharepath
,
124 if (do_checks
&& !is_valid_share_mode_entry(e
)) {
129 d_printf("Locked files:\n");
130 d_printf("Pid Uid DenyMode Access R/W Oplock SharePath Name Time\n");
131 d_printf("--------------------------------------------------------------------------------------------------\n");
135 if (do_checks
&& !serverid_exists(&e
->pid
)) {
136 /* the process for this entry does not exist any more */
140 if (Ucrit_checkPid(e
->pid
)) {
141 struct server_id_buf tmp
;
142 d_printf("%-11s ", server_id_str_buf(e
->pid
, &tmp
));
143 d_printf("%-9u ", (unsigned int)e
->uid
);
144 switch (map_share_mode_to_deny_mode(e
->share_access
,
145 e
->private_options
)) {
146 case DENY_NONE
: d_printf("DENY_NONE "); break;
147 case DENY_ALL
: d_printf("DENY_ALL "); break;
148 case DENY_DOS
: d_printf("DENY_DOS "); break;
149 case DENY_READ
: d_printf("DENY_READ "); break;
150 case DENY_WRITE
:printf("DENY_WRITE "); break;
151 case DENY_FCB
: d_printf("DENY_FCB "); break;
153 d_printf("unknown-please report ! "
154 "e->share_access = 0x%x, "
155 "e->private_options = 0x%x\n",
156 (unsigned int)e
->share_access
,
157 (unsigned int)e
->private_options
);
161 d_printf("0x%-8x ",(unsigned int)e
->access_mask
);
162 if ((e
->access_mask
& (FILE_READ_DATA
|FILE_WRITE_DATA
))==
163 (FILE_READ_DATA
|FILE_WRITE_DATA
)) {
165 } else if (e
->access_mask
& FILE_WRITE_DATA
) {
171 if((e
->op_type
& (EXCLUSIVE_OPLOCK
|BATCH_OPLOCK
)) ==
172 (EXCLUSIVE_OPLOCK
|BATCH_OPLOCK
)) {
173 d_printf("EXCLUSIVE+BATCH ");
174 } else if (e
->op_type
& EXCLUSIVE_OPLOCK
) {
175 d_printf("EXCLUSIVE ");
176 } else if (e
->op_type
& BATCH_OPLOCK
) {
178 } else if (e
->op_type
& LEVEL_II_OPLOCK
) {
179 d_printf("LEVEL_II ");
180 } else if (e
->op_type
== LEASE_OPLOCK
) {
181 uint32_t lstate
= e
->lease
->current_state
;
182 d_printf("LEASE(%s%s%s)%s%s%s ",
183 (lstate
& SMB2_LEASE_READ
)?"R":"",
184 (lstate
& SMB2_LEASE_WRITE
)?"W":"",
185 (lstate
& SMB2_LEASE_HANDLE
)?"H":"",
186 (lstate
& SMB2_LEASE_READ
)?"":" ",
187 (lstate
& SMB2_LEASE_WRITE
)?"":" ",
188 (lstate
& SMB2_LEASE_HANDLE
)?"":" ");
193 d_printf(" %s %s %s",sharepath
, fname
, time_to_asc((time_t)e
->time
.tv_sec
));
199 static void print_brl(struct file_id id
,
200 struct server_id pid
,
201 enum brl_type lock_type
,
202 enum brl_flavour lock_flav
,
209 static const struct {
210 enum brl_type lock_type
;
215 { PENDING_READ_LOCK
, "PR" },
216 { PENDING_WRITE_LOCK
, "PW" },
219 const char *desc
="X";
220 const char *sharepath
= "";
222 struct share_mode_lock
*share_mode
;
223 struct server_id_buf tmp
;
226 d_printf("Byte range locks:\n");
227 d_printf("Pid dev:inode R/W start size SharePath Name\n");
228 d_printf("--------------------------------------------------------------------------------\n");
232 share_mode
= fetch_share_mode_unlocked(NULL
, id
);
234 bool has_stream
= share_mode
->data
->stream_name
!= NULL
;
236 fname
= talloc_asprintf(NULL
, "%s%s%s",
237 share_mode
->data
->base_name
,
238 has_stream
? ":" : "",
240 share_mode
->data
->stream_name
:
243 fname
= talloc_strdup(NULL
, "");
249 for (i
=0;i
<ARRAY_SIZE(lock_types
);i
++) {
250 if (lock_type
== lock_types
[i
].lock_type
) {
251 desc
= lock_types
[i
].desc
;
255 d_printf("%-10s %-15s %-4s %-9jd %-9jd %-24s %-24s\n",
256 server_id_str_buf(pid
, &tmp
), file_id_string_tos(&id
),
258 (intmax_t)start
, (intmax_t)size
,
262 TALLOC_FREE(share_mode
);
265 static int traverse_connections(const struct connections_key
*key
,
266 const struct connections_data
*crec
,
269 struct server_id_buf tmp
;
271 if (crec
->cnum
== TID_FIELD_INVALID
)
275 (!process_exists(crec
->pid
) || !Ucrit_checkUid(crec
->uid
))) {
279 d_printf("%-10s %s %-12s %s",
280 crec
->servicename
, server_id_str_buf(crec
->pid
, &tmp
),
282 time_to_asc(crec
->start
));
287 static int traverse_sessionid(const char *key
, struct sessionid
*session
,
290 fstring uid_str
, gid_str
;
291 struct server_id_buf tmp
;
294 (!process_exists(session
->pid
) ||
295 !Ucrit_checkUid(session
->uid
))) {
299 Ucrit_addPid(session
->pid
);
301 fstrcpy(uid_str
, "-1");
303 if (session
->uid
!= -1) {
305 fstr_sprintf(uid_str
, "%u", (unsigned int)session
->uid
);
307 fstrcpy(uid_str
, uidtoname(session
->uid
));
311 fstrcpy(gid_str
, "-1");
313 if (session
->gid
!= -1) {
315 fstr_sprintf(gid_str
, "%u", (unsigned int)session
->gid
);
317 fstrcpy(gid_str
, gidtoname(session
->gid
));
321 d_printf("%-7s %-12s %-12s %-12s (%s) %-12s\n",
322 server_id_str_buf(session
->pid
, &tmp
),
324 session
->remote_machine
, session
->hostname
, session
->protocol_ver
);
330 static bool print_notify_rec(const char *path
, struct server_id server
,
331 const struct notify_instance
*instance
,
334 struct server_id_buf idbuf
;
336 d_printf("%s\\%s\\%x\\%x\n", path
, server_id_str_buf(server
, &idbuf
),
337 (unsigned)instance
->filter
,
338 (unsigned)instance
->subdir_filter
);
343 int main(int argc
, const char *argv
[])
346 int profile_only
= 0;
347 bool show_processes
, show_locks
, show_shares
;
348 bool show_notify
= false;
350 struct poptOption long_options
[] = {
352 {"processes", 'p', POPT_ARG_NONE
, NULL
, 'p', "Show processes only" },
353 {"verbose", 'v', POPT_ARG_NONE
, NULL
, 'v', "Be verbose" },
354 {"locks", 'L', POPT_ARG_NONE
, NULL
, 'L', "Show locks only" },
355 {"shares", 'S', POPT_ARG_NONE
, NULL
, 'S', "Show shares only" },
356 {"notify", 'N', POPT_ARG_NONE
, NULL
, 'N', "Show notifies" },
357 {"user", 'u', POPT_ARG_STRING
, &username
, 'u', "Switch to user" },
358 {"brief", 'b', POPT_ARG_NONE
, NULL
, 'b', "Be brief" },
359 {"profile", 'P', POPT_ARG_NONE
, NULL
, 'P', "Do profiling" },
360 {"profile-rates", 'R', POPT_ARG_NONE
, NULL
, 'R', "Show call rates" },
361 {"byterange", 'B', POPT_ARG_NONE
, NULL
, 'B', "Include byte range locks"},
362 {"numeric", 'n', POPT_ARG_NONE
, NULL
, 'n', "Numeric uid/gid"},
363 {"fast", 'f', POPT_ARG_NONE
, NULL
, 'f', "Skip checks if processes still exist"},
367 TALLOC_CTX
*frame
= talloc_stackframe();
369 struct messaging_context
*msg_ctx
= NULL
;
376 setup_logging(argv
[0], DEBUG_STDERR
);
378 if (getuid() != geteuid()) {
379 d_printf("smbstatus should not be run setuid\n");
385 d_printf("smbstatus only works as root!\n");
391 pc
= poptGetContext(NULL
, argc
, argv
, long_options
,
392 POPT_CONTEXT_KEEP_FIRST
);
394 while ((c
= poptGetNextOpt(pc
)) != -1) {
397 processes_only
= true;
415 Ucrit_addUid(nametouid(poptGetOptArg(pc
)));
433 /* setup the flags based on the possible combincations */
435 show_processes
= !(shares_only
|| locks_only
|| profile_only
) || processes_only
;
436 show_locks
= !(shares_only
|| processes_only
|| profile_only
) || locks_only
;
437 show_shares
= !(processes_only
|| locks_only
|| profile_only
) || shares_only
;
440 Ucrit_addUid( nametouid(username
) );
443 d_printf("using configfile = %s\n", get_dyn_CONFIGFILE());
446 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
447 fprintf(stderr
, "Can't load %s - run testparm to debug it\n",
448 get_dyn_CONFIGFILE());
454 if (lp_clustering()) {
456 * This implicitly initializes the global ctdbd
457 * connection, usable by the db_open() calls further
460 msg_ctx
= messaging_init(NULL
, samba_tevent_context_init(NULL
));
461 if (msg_ctx
== NULL
) {
462 fprintf(stderr
, "messaging_init failed\n");
468 if (!lp_load_global(get_dyn_CONFIGFILE())) {
469 fprintf(stderr
, "Can't load %s - run testparm to debug it\n",
470 get_dyn_CONFIGFILE());
475 switch (profile_only
) {
477 /* Dump profile data */
478 ok
= status_profile_dump(verbose
);
481 /* Continuously display rate-converted data */
482 ok
= status_profile_rates(verbose
);
488 if ( show_processes
) {
489 d_printf("\nSamba version %s\n",samba_version_string());
490 d_printf("PID Username Group Machine Protocol Version \n");
491 d_printf("------------------------------------------------------------------------------\n");
493 sessionid_traverse_read(traverse_sessionid
, NULL
);
495 if (processes_only
) {
502 db_path
= lock_path("connections.tdb");
503 if (db_path
== NULL
) {
504 d_printf("Out of memory - exiting\n");
508 d_printf("Opened %s\n", db_path
);
509 TALLOC_FREE(db_path
);
516 d_printf("\nService pid machine Connected at\n");
517 d_printf("-------------------------------------------------------\n");
519 connections_forall_read(traverse_connections
, NULL
);
530 struct db_context
*db
;
532 db_path
= lock_path("locking.tdb");
533 if (db_path
== NULL
) {
534 d_printf("Out of memory - exiting\n");
539 db
= db_open(NULL
, db_path
, 0,
540 TDB_CLEAR_IF_FIRST
|TDB_INCOMPATIBLE_HASH
, O_RDONLY
, 0,
541 DBWRAP_LOCK_ORDER_1
, DBWRAP_FLAG_NONE
);
544 d_printf("%s not initialised\n", db_path
);
545 d_printf("This is normal if an SMB client has never "
546 "connected to your server.\n");
547 TALLOC_FREE(db_path
);
551 TALLOC_FREE(db_path
);
554 if (!locking_init_readonly()) {
555 d_printf("Can't initialise locking module - exiting\n");
560 result
= share_entry_forall(print_share_mode
, NULL
);
563 d_printf("No locked files\n");
564 } else if (result
< 0) {
565 d_printf("locked file list truncated\n");
571 brl_forall(print_brl
, NULL
);
578 struct notify_context
*n
;
580 if (msg_ctx
== NULL
) {
581 msg_ctx
= messaging_init(
582 NULL
, samba_tevent_context_init(NULL
));
583 if (msg_ctx
== NULL
) {
584 fprintf(stderr
, "messaging_init failed\n");
590 n
= notify_init(talloc_tos(), msg_ctx
,
591 messaging_tevent_context(msg_ctx
));
595 notify_walk(n
, print_notify_rec
, NULL
);