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"
44 #define SMB_MAXPIDS 2048
45 static uid_t Ucrit_uid
= 0; /* added by OH */
46 static struct server_id Ucrit_pid
[SMB_MAXPIDS
]; /* Ugly !!! */ /* added by OH */
47 static int Ucrit_MaxPid
=0; /* added by OH */
48 static unsigned int Ucrit_IsActive
= 0; /* added by OH */
50 static bool verbose
, brief
;
51 static bool shares_only
; /* Added by RJS */
52 static bool locks_only
; /* Added by RJS */
53 static bool processes_only
;
55 static bool numeric_only
;
57 const char *username
= NULL
;
59 extern bool status_profile_dump(bool be_verbose
);
60 extern bool status_profile_rates(bool be_verbose
);
63 static void Ucrit_addUid(uid_t uid
)
69 static unsigned int Ucrit_checkUid(uid_t uid
)
71 if ( !Ucrit_IsActive
)
74 if ( uid
== Ucrit_uid
)
80 static unsigned int Ucrit_checkPid(struct server_id pid
)
84 if ( !Ucrit_IsActive
)
87 for (i
=0;i
<Ucrit_MaxPid
;i
++) {
88 if (cluster_id_equal(&pid
, &Ucrit_pid
[i
]))
95 static bool Ucrit_addPid( struct server_id pid
)
97 if ( !Ucrit_IsActive
)
100 if ( Ucrit_MaxPid
>= SMB_MAXPIDS
) {
101 d_printf("ERROR: More than %d pids for user %s!\n",
102 SMB_MAXPIDS
, uidtoname(Ucrit_uid
));
107 Ucrit_pid
[Ucrit_MaxPid
++] = pid
;
112 static void print_share_mode(const struct share_mode_entry
*e
,
113 const char *sharepath
,
119 if (!is_valid_share_mode_entry(e
)) {
123 if (!process_exists(e
->pid
)) {
128 d_printf("Locked files:\n");
129 d_printf("Pid Uid DenyMode Access R/W Oplock SharePath Name Time\n");
130 d_printf("--------------------------------------------------------------------------------------------------\n");
134 if (Ucrit_checkPid(e
->pid
)) {
135 d_printf("%-11s ",procid_str_static(&e
->pid
));
136 d_printf("%-9u ", (unsigned int)e
->uid
);
137 switch (map_share_mode_to_deny_mode(e
->share_access
,
138 e
->private_options
)) {
139 case DENY_NONE
: d_printf("DENY_NONE "); break;
140 case DENY_ALL
: d_printf("DENY_ALL "); break;
141 case DENY_DOS
: d_printf("DENY_DOS "); break;
142 case DENY_READ
: d_printf("DENY_READ "); break;
143 case DENY_WRITE
:printf("DENY_WRITE "); break;
144 case DENY_FCB
: d_printf("DENY_FCB "); break;
146 d_printf("unknown-please report ! "
147 "e->share_access = 0x%x, "
148 "e->private_options = 0x%x\n",
149 (unsigned int)e
->share_access
,
150 (unsigned int)e
->private_options
);
154 d_printf("0x%-8x ",(unsigned int)e
->access_mask
);
155 if ((e
->access_mask
& (FILE_READ_DATA
|FILE_WRITE_DATA
))==
156 (FILE_READ_DATA
|FILE_WRITE_DATA
)) {
158 } else if (e
->access_mask
& FILE_WRITE_DATA
) {
164 if((e
->op_type
& (EXCLUSIVE_OPLOCK
|BATCH_OPLOCK
)) ==
165 (EXCLUSIVE_OPLOCK
|BATCH_OPLOCK
)) {
166 d_printf("EXCLUSIVE+BATCH ");
167 } else if (e
->op_type
& EXCLUSIVE_OPLOCK
) {
168 d_printf("EXCLUSIVE ");
169 } else if (e
->op_type
& BATCH_OPLOCK
) {
171 } else if (e
->op_type
& LEVEL_II_OPLOCK
) {
172 d_printf("LEVEL_II ");
177 d_printf(" %s %s %s",sharepath
, fname
, time_to_asc((time_t)e
->time
.tv_sec
));
181 static void print_brl(struct file_id id
,
182 struct server_id pid
,
183 enum brl_type lock_type
,
184 enum brl_flavour lock_flav
,
191 static const struct {
192 enum brl_type lock_type
;
197 { PENDING_READ_LOCK
, "PR" },
198 { PENDING_WRITE_LOCK
, "PW" },
201 const char *desc
="X";
202 const char *sharepath
= "";
204 struct share_mode_lock
*share_mode
;
207 d_printf("Byte range locks:\n");
208 d_printf("Pid dev:inode R/W start size SharePath Name\n");
209 d_printf("--------------------------------------------------------------------------------\n");
213 share_mode
= fetch_share_mode_unlocked(NULL
, id
);
215 bool has_stream
= share_mode
->data
->stream_name
!= NULL
;
217 fname
= talloc_asprintf(NULL
, "%s%s%s",
218 share_mode
->data
->base_name
,
219 has_stream
? ":" : "",
221 share_mode
->data
->stream_name
:
224 fname
= talloc_strdup(NULL
, "");
230 for (i
=0;i
<ARRAY_SIZE(lock_types
);i
++) {
231 if (lock_type
== lock_types
[i
].lock_type
) {
232 desc
= lock_types
[i
].desc
;
236 d_printf("%-10s %-15s %-4s %-9.0f %-9.0f %-24s %-24s\n",
237 procid_str_static(&pid
), file_id_string_tos(&id
),
239 (double)start
, (double)size
,
243 TALLOC_FREE(share_mode
);
246 static int traverse_fn1(const struct connections_key
*key
,
247 const struct connections_data
*crec
,
250 if (crec
->cnum
== -1)
253 if (!process_exists(crec
->pid
) || !Ucrit_checkUid(crec
->uid
)) {
257 d_printf("%-10s %s %-12s %s",
258 crec
->servicename
,procid_str_static(&crec
->pid
),
260 time_to_asc(crec
->start
));
265 static int traverse_sessionid(const char *key
, struct sessionid
*session
,
268 fstring uid_str
, gid_str
;
270 if (!process_exists(session
->pid
)
271 || !Ucrit_checkUid(session
->uid
)) {
275 Ucrit_addPid(session
->pid
);
277 fstr_sprintf(uid_str
, "%u", (unsigned int)session
->uid
);
278 fstr_sprintf(gid_str
, "%u", (unsigned int)session
->gid
);
280 d_printf("%-7s %-12s %-12s %-12s (%s)\n",
281 procid_str_static(&session
->pid
),
282 numeric_only
? uid_str
: uidtoname(session
->uid
),
283 numeric_only
? gid_str
: gidtoname(session
->gid
),
284 session
->remote_machine
, session
->hostname
);
292 int main(int argc
, char *argv
[])
295 int profile_only
= 0;
296 bool show_processes
, show_locks
, show_shares
;
298 struct poptOption long_options
[] = {
300 {"processes", 'p', POPT_ARG_NONE
, NULL
, 'p', "Show processes only" },
301 {"verbose", 'v', POPT_ARG_NONE
, NULL
, 'v', "Be verbose" },
302 {"locks", 'L', POPT_ARG_NONE
, NULL
, 'L', "Show locks only" },
303 {"shares", 'S', POPT_ARG_NONE
, NULL
, 'S', "Show shares only" },
304 {"user", 'u', POPT_ARG_STRING
, &username
, 'u', "Switch to user" },
305 {"brief", 'b', POPT_ARG_NONE
, NULL
, 'b', "Be brief" },
306 {"profile", 'P', POPT_ARG_NONE
, NULL
, 'P', "Do profiling" },
307 {"profile-rates", 'R', POPT_ARG_NONE
, NULL
, 'R', "Show call rates" },
308 {"byterange", 'B', POPT_ARG_NONE
, NULL
, 'B', "Include byte range locks"},
309 {"numeric", 'n', POPT_ARG_NONE
, NULL
, 'n', "Numeric uid/gid"},
313 TALLOC_CTX
*frame
= talloc_stackframe();
315 struct messaging_context
*msg_ctx
;
320 setup_logging(argv
[0], DEBUG_STDERR
);
322 if (getuid() != geteuid()) {
323 d_printf("smbstatus should not be run setuid\n");
328 pc
= poptGetContext(NULL
, argc
, (const char **) argv
, long_options
,
329 POPT_CONTEXT_KEEP_FIRST
);
331 while ((c
= poptGetNextOpt(pc
)) != -1) {
334 processes_only
= true;
349 Ucrit_addUid(nametouid(poptGetOptArg(pc
)));
364 /* setup the flags based on the possible combincations */
366 show_processes
= !(shares_only
|| locks_only
|| profile_only
) || processes_only
;
367 show_locks
= !(shares_only
|| processes_only
|| profile_only
) || locks_only
;
368 show_shares
= !(processes_only
|| locks_only
|| profile_only
) || shares_only
;
371 Ucrit_addUid( nametouid(username
) );
374 d_printf("using configfile = %s\n", get_dyn_CONFIGFILE());
377 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
378 fprintf(stderr
, "Can't load %s - run testparm to debug it\n",
379 get_dyn_CONFIGFILE());
385 if (lp_clustering()) {
387 * This implicitly initializes the global ctdbd
388 * connection, usable by the db_open() calls further
391 msg_ctx
= messaging_init(NULL
, event_context_init(NULL
));
392 if (msg_ctx
== NULL
) {
393 fprintf(stderr
, "messaging_init failed\n");
399 if (!lp_load_global(get_dyn_CONFIGFILE())) {
400 fprintf(stderr
, "Can't load %s - run testparm to debug it\n",
401 get_dyn_CONFIGFILE());
406 switch (profile_only
) {
408 /* Dump profile data */
409 return status_profile_dump(verbose
);
411 /* Continuously display rate-converted data */
412 return status_profile_rates(verbose
);
417 if ( show_processes
) {
418 d_printf("\nSamba version %s\n",samba_version_string());
419 d_printf("PID Username Group Machine \n");
420 d_printf("-------------------------------------------------------------------\n");
422 sessionid_traverse_read(traverse_sessionid
, NULL
);
424 if (processes_only
) {
431 d_printf("Opened %s\n", lock_path("connections.tdb"));
438 d_printf("\nService pid machine Connected at\n");
439 d_printf("-------------------------------------------------------\n");
441 connections_forall_read(traverse_fn1
, NULL
);
452 struct db_context
*db
;
453 db
= db_open(NULL
, lock_path("locking.tdb"), 0,
454 TDB_CLEAR_IF_FIRST
|TDB_INCOMPATIBLE_HASH
, O_RDONLY
, 0,
455 DBWRAP_LOCK_ORDER_1
);
458 d_printf("%s not initialised\n",
459 lock_path("locking.tdb"));
460 d_printf("This is normal if an SMB client has never "
461 "connected to your server.\n");
467 if (!locking_init_readonly()) {
468 d_printf("Can't initialise locking module - exiting\n");
473 result
= share_mode_forall(print_share_mode
, NULL
);
476 d_printf("No locked files\n");
477 } else if (result
< 0) {
478 d_printf("locked file list truncated\n");
484 brl_forall(print_brl
, NULL
);