source: trunk/server/source3/utils/status.c@ 759

Last change on this file since 759 was 745, checked in by Silvan Scherrer, 13 years ago

Samba Server: updated trunk to 3.6.0
File size: 12.3 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 status reporting
4 Copyright (C) Andrew Tridgell 1994-1998
5
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.
10
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.
15
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/>.
18
19 Revision History:
20
21 12 aug 96: Erik.Devriendt@te6.siemens.be
22 added support for shared memory implementation of share mode locking
23
24 21-Jul-1998: rsharpe@ns.aus.com (Richard Sharpe)
25 Added -L (locks only) -S (shares only) flags and code
26
27*/
28
29/*
30 * This program reports current SMB connections
31 */
32
33#include "includes.h"
34#include "system/filesys.h"
35#include "popt_common.h"
36#include "dbwrap.h"
37#include "../libcli/security/security.h"
38#include "session.h"
39#include "locking/proto.h"
40#include "messages.h"
41
42#define SMB_MAXPIDS 2048
43static uid_t Ucrit_uid = 0; /* added by OH */
44static struct server_id Ucrit_pid[SMB_MAXPIDS]; /* Ugly !!! */ /* added by OH */
45static int Ucrit_MaxPid=0; /* added by OH */
46static unsigned int Ucrit_IsActive = 0; /* added by OH */
47
48static bool verbose, brief;
49static bool shares_only; /* Added by RJS */
50static bool locks_only; /* Added by RJS */
51static bool processes_only;
52static bool show_brl;
53static bool numeric_only;
54
55const char *username = NULL;
56
57extern bool status_profile_dump(bool be_verbose);
58extern bool status_profile_rates(bool be_verbose);
59
60/* added by OH */
61static void Ucrit_addUid(uid_t uid)
62{
63 Ucrit_uid = uid;
64 Ucrit_IsActive = 1;
65}
66
67static unsigned int Ucrit_checkUid(uid_t uid)
68{
69 if ( !Ucrit_IsActive )
70 return 1;
71
72 if ( uid == Ucrit_uid )
73 return 1;
74
75 return 0;
76}
77
78static unsigned int Ucrit_checkPid(struct server_id pid)
79{
80 int i;
81
82 if ( !Ucrit_IsActive )
83 return 1;
84
85 for (i=0;i<Ucrit_MaxPid;i++) {
86 if (cluster_id_equal(&pid, &Ucrit_pid[i]))
87 return 1;
88 }
89
90 return 0;
91}
92
93static bool Ucrit_addPid( struct server_id pid )
94{
95 if ( !Ucrit_IsActive )
96 return True;
97
98 if ( Ucrit_MaxPid >= SMB_MAXPIDS ) {
99 d_printf("ERROR: More than %d pids for user %s!\n",
100 SMB_MAXPIDS, uidtoname(Ucrit_uid));
101
102 return False;
103 }
104
105 Ucrit_pid[Ucrit_MaxPid++] = pid;
106
107 return True;
108}
109
110static void print_share_mode(const struct share_mode_entry *e,
111 const char *sharepath,
112 const char *fname,
113 void *dummy)
114{
115 static int count;
116
117 if (!is_valid_share_mode_entry(e)) {
118 return;
119 }
120
121 if (!process_exists(e->pid)) {
122 return;
123 }
124
125 if (count==0) {
126 d_printf("Locked files:\n");
127 d_printf("Pid Uid DenyMode Access R/W Oplock SharePath Name Time\n");
128 d_printf("--------------------------------------------------------------------------------------------------\n");
129 }
130 count++;
131
132 if (Ucrit_checkPid(e->pid)) {
133 d_printf("%-11s ",procid_str_static(&e->pid));
134 d_printf("%-9u ", (unsigned int)e->uid);
135 switch (map_share_mode_to_deny_mode(e->share_access,
136 e->private_options)) {
137 case DENY_NONE: d_printf("DENY_NONE "); break;
138 case DENY_ALL: d_printf("DENY_ALL "); break;
139 case DENY_DOS: d_printf("DENY_DOS "); break;
140 case DENY_READ: d_printf("DENY_READ "); break;
141 case DENY_WRITE:printf("DENY_WRITE "); break;
142 case DENY_FCB: d_printf("DENY_FCB "); break;
143 default: {
144 d_printf("unknown-please report ! "
145 "e->share_access = 0x%x, "
146 "e->private_options = 0x%x\n",
147 (unsigned int)e->share_access,
148 (unsigned int)e->private_options );
149 break;
150 }
151 }
152 d_printf("0x%-8x ",(unsigned int)e->access_mask);
153 if ((e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA))==
154 (FILE_READ_DATA|FILE_WRITE_DATA)) {
155 d_printf("RDWR ");
156 } else if (e->access_mask & FILE_WRITE_DATA) {
157 d_printf("WRONLY ");
158 } else {
159 d_printf("RDONLY ");
160 }
161
162 if((e->op_type & (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
163 (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) {
164 d_printf("EXCLUSIVE+BATCH ");
165 } else if (e->op_type & EXCLUSIVE_OPLOCK) {
166 d_printf("EXCLUSIVE ");
167 } else if (e->op_type & BATCH_OPLOCK) {
168 d_printf("BATCH ");
169 } else if (e->op_type & LEVEL_II_OPLOCK) {
170 d_printf("LEVEL_II ");
171 } else {
172 d_printf("NONE ");
173 }
174
175 d_printf(" %s %s %s",sharepath, fname, time_to_asc((time_t)e->time.tv_sec));
176 }
177}
178
179static void print_brl(struct file_id id,
180 struct server_id pid,
181 enum brl_type lock_type,
182 enum brl_flavour lock_flav,
183 br_off start,
184 br_off size,
185 void *private_data)
186{
187 static int count;
188 int i;
189 static const struct {
190 enum brl_type lock_type;
191 const char *desc;
192 } lock_types[] = {
193 { READ_LOCK, "R" },
194 { WRITE_LOCK, "W" },
195 { PENDING_READ_LOCK, "PR" },
196 { PENDING_WRITE_LOCK, "PW" },
197 { UNLOCK_LOCK, "U" }
198 };
199 const char *desc="X";
200 const char *sharepath = "";
201 char *fname = NULL;
202 struct share_mode_lock *share_mode;
203
204 if (count==0) {
205 d_printf("Byte range locks:\n");
206 d_printf("Pid dev:inode R/W start size SharePath Name\n");
207 d_printf("--------------------------------------------------------------------------------\n");
208 }
209 count++;
210
211 share_mode = fetch_share_mode_unlocked(NULL, id);
212 if (share_mode) {
213 bool has_stream = share_mode->stream_name != NULL;
214
215 fname = talloc_asprintf(NULL, "%s%s%s", share_mode->base_name,
216 has_stream ? ":" : "",
217 has_stream ? share_mode->stream_name :
218 "");
219 } else {
220 fname = talloc_strdup(NULL, "");
221 if (fname == NULL) {
222 return;
223 }
224 }
225
226 for (i=0;i<ARRAY_SIZE(lock_types);i++) {
227 if (lock_type == lock_types[i].lock_type) {
228 desc = lock_types[i].desc;
229 }
230 }
231
232 d_printf("%-10s %-15s %-4s %-9.0f %-9.0f %-24s %-24s\n",
233 procid_str_static(&pid), file_id_string_tos(&id),
234 desc,
235 (double)start, (double)size,
236 sharepath, fname);
237
238 TALLOC_FREE(fname);
239 TALLOC_FREE(share_mode);
240}
241
242static int traverse_fn1(const struct connections_key *key,
243 const struct connections_data *crec,
244 void *state)
245{
246 if (crec->cnum == -1)
247 return 0;
248
249 if (!process_exists(crec->pid) || !Ucrit_checkUid(crec->uid)) {
250 return 0;
251 }
252
253 d_printf("%-10s %s %-12s %s",
254 crec->servicename,procid_str_static(&crec->pid),
255 crec->machine,
256 time_to_asc(crec->start));
257
258 return 0;
259}
260
261static int traverse_sessionid(const char *key, struct sessionid *session,
262 void *private_data)
263{
264 fstring uid_str, gid_str;
265
266 if (!process_exists(session->pid)
267 || !Ucrit_checkUid(session->uid)) {
268 return 0;
269 }
270
271 Ucrit_addPid(session->pid);
272
273 fstr_sprintf(uid_str, "%u", (unsigned int)session->uid);
274 fstr_sprintf(gid_str, "%u", (unsigned int)session->gid);
275
276 d_printf("%-7s %-12s %-12s %-12s (%s)\n",
277 procid_str_static(&session->pid),
278 numeric_only ? uid_str : uidtoname(session->uid),
279 numeric_only ? gid_str : gidtoname(session->gid),
280 session->remote_machine, session->hostname);
281
282 return 0;
283}
284
285
286
287
288 int main(int argc, char *argv[])
289{
290 int c;
291 int profile_only = 0;
292 bool show_processes, show_locks, show_shares;
293 poptContext pc;
294 struct poptOption long_options[] = {
295 POPT_AUTOHELP
296 {"processes", 'p', POPT_ARG_NONE, NULL, 'p', "Show processes only" },
297 {"verbose", 'v', POPT_ARG_NONE, NULL, 'v', "Be verbose" },
298 {"locks", 'L', POPT_ARG_NONE, NULL, 'L', "Show locks only" },
299 {"shares", 'S', POPT_ARG_NONE, NULL, 'S', "Show shares only" },
300 {"user", 'u', POPT_ARG_STRING, &username, 'u', "Switch to user" },
301 {"brief", 'b', POPT_ARG_NONE, NULL, 'b', "Be brief" },
302 {"profile", 'P', POPT_ARG_NONE, NULL, 'P', "Do profiling" },
303 {"profile-rates", 'R', POPT_ARG_NONE, NULL, 'R', "Show call rates" },
304 {"byterange", 'B', POPT_ARG_NONE, NULL, 'B', "Include byte range locks"},
305 {"numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Numeric uid/gid"},
306 POPT_COMMON_SAMBA
307 POPT_TABLEEND
308 };
309 TALLOC_CTX *frame = talloc_stackframe();
310 int ret = 0;
311 struct messaging_context *msg_ctx;
312
313 sec_init();
314 load_case_tables();
315
316 setup_logging(argv[0], DEBUG_STDERR);
317
318 if (getuid() != geteuid()) {
319 d_printf("smbstatus should not be run setuid\n");
320 ret = 1;
321 goto done;
322 }
323
324 pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
325 POPT_CONTEXT_KEEP_FIRST);
326
327 while ((c = poptGetNextOpt(pc)) != -1) {
328 switch (c) {
329 case 'p':
330 processes_only = true;
331 break;
332 case 'v':
333 verbose = true;
334 break;
335 case 'L':
336 locks_only = true;
337 break;
338 case 'S':
339 shares_only = true;
340 break;
341 case 'b':
342 brief = true;
343 break;
344 case 'u':
345 Ucrit_addUid(nametouid(poptGetOptArg(pc)));
346 break;
347 case 'P':
348 case 'R':
349 profile_only = c;
350 break;
351 case 'B':
352 show_brl = true;
353 break;
354 case 'n':
355 numeric_only = true;
356 break;
357 }
358 }
359
360 /* setup the flags based on the possible combincations */
361
362 show_processes = !(shares_only || locks_only || profile_only) || processes_only;
363 show_locks = !(shares_only || processes_only || profile_only) || locks_only;
364 show_shares = !(processes_only || locks_only || profile_only) || shares_only;
365
366 if ( username )
367 Ucrit_addUid( nametouid(username) );
368
369 if (verbose) {
370 d_printf("using configfile = %s\n", get_dyn_CONFIGFILE());
371 }
372
373 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
374 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
375 get_dyn_CONFIGFILE());
376 ret = -1;
377 goto done;
378 }
379
380
381 if (lp_clustering()) {
382 /*
383 * This implicitly initializes the global ctdbd
384 * connection, usable by the db_open() calls further
385 * down.
386 */
387 msg_ctx = messaging_init(NULL, procid_self(),
388 event_context_init(NULL));
389 if (msg_ctx == NULL) {
390 fprintf(stderr, "messaging_init failed\n");
391 ret = -1;
392 goto done;
393 }
394 }
395
396 if (!lp_load(get_dyn_CONFIGFILE(),False,False,False,True)) {
397 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
398 get_dyn_CONFIGFILE());
399 ret = -1;
400 goto done;
401 }
402
403 switch (profile_only) {
404 case 'P':
405 /* Dump profile data */
406 return status_profile_dump(verbose);
407 case 'R':
408 /* Continuously display rate-converted data */
409 return status_profile_rates(verbose);
410 default:
411 break;
412 }
413
414 if ( show_processes ) {
415 d_printf("\nSamba version %s\n",samba_version_string());
416 d_printf("PID Username Group Machine \n");
417 d_printf("-------------------------------------------------------------------\n");
418 if (lp_security() == SEC_SHARE) {
419 d_printf(" <processes do not show up in "
420 "anonymous mode>\n");
421 }
422
423 sessionid_traverse_read(traverse_sessionid, NULL);
424
425 if (processes_only) {
426 goto done;
427 }
428 }
429
430 if ( show_shares ) {
431 if (verbose) {
432 d_printf("Opened %s\n", lock_path("connections.tdb"));
433 }
434
435 if (brief) {
436 goto done;
437 }
438
439 d_printf("\nService pid machine Connected at\n");
440 d_printf("-------------------------------------------------------\n");
441
442 connections_forall_read(traverse_fn1, NULL);
443
444 d_printf("\n");
445
446 if ( shares_only ) {
447 goto done;
448 }
449 }
450
451 if ( show_locks ) {
452 int result;
453 struct db_context *db;
454 db = db_open(NULL, lock_path("locking.tdb"), 0,
455 TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH, O_RDONLY, 0);
456
457 if (!db) {
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");
462 exit(0);
463 } else {
464 TALLOC_FREE(db);
465 }
466
467 if (!locking_init_readonly()) {
468 d_printf("Can't initialise locking module - exiting\n");
469 ret = 1;
470 goto done;
471 }
472
473 result = share_mode_forall(print_share_mode, NULL);
474
475 if (result == 0) {
476 d_printf("No locked files\n");
477 } else if (result == -1) {
478 d_printf("locked file list truncated\n");
479 }
480
481 d_printf("\n");
482
483 if (show_brl) {
484 brl_forall(print_brl, NULL);
485 }
486
487 locking_end();
488 }
489
490done:
491 TALLOC_FREE(frame);
492 return ret;
493}
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