source: branches/samba-3.5.x/source3/utils/status.c@ 773

Last change on this file since 773 was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 12.0 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
35#define SMB_MAXPIDS 2048
36static uid_t Ucrit_uid = 0; /* added by OH */
37static struct server_id Ucrit_pid[SMB_MAXPIDS]; /* Ugly !!! */ /* added by OH */
38static int Ucrit_MaxPid=0; /* added by OH */
39static unsigned int Ucrit_IsActive = 0; /* added by OH */
40
41static bool verbose, brief;
42static bool shares_only; /* Added by RJS */
43static bool locks_only; /* Added by RJS */
44static bool processes_only;
45static bool show_brl;
46static bool numeric_only;
47
48const char *username = NULL;
49
50extern bool status_profile_dump(bool be_verbose);
51extern bool status_profile_rates(bool be_verbose);
52
53/* added by OH */
54static void Ucrit_addUid(uid_t uid)
55{
56 Ucrit_uid = uid;
57 Ucrit_IsActive = 1;
58}
59
60static unsigned int Ucrit_checkUid(uid_t uid)
61{
62 if ( !Ucrit_IsActive )
63 return 1;
64
65 if ( uid == Ucrit_uid )
66 return 1;
67
68 return 0;
69}
70
71static unsigned int Ucrit_checkPid(struct server_id pid)
72{
73 int i;
74
75 if ( !Ucrit_IsActive )
76 return 1;
77
78 for (i=0;i<Ucrit_MaxPid;i++) {
79 if (cluster_id_equal(&pid, &Ucrit_pid[i]))
80 return 1;
81 }
82
83 return 0;
84}
85
86static bool Ucrit_addPid( struct server_id pid )
87{
88 if ( !Ucrit_IsActive )
89 return True;
90
91 if ( Ucrit_MaxPid >= SMB_MAXPIDS ) {
92 d_printf("ERROR: More than %d pids for user %s!\n",
93 SMB_MAXPIDS, uidtoname(Ucrit_uid));
94
95 return False;
96 }
97
98 Ucrit_pid[Ucrit_MaxPid++] = pid;
99
100 return True;
101}
102
103static void print_share_mode(const struct share_mode_entry *e,
104 const char *sharepath,
105 const char *fname,
106 void *dummy)
107{
108 static int count;
109
110 if (!is_valid_share_mode_entry(e)) {
111 return;
112 }
113
114 if (!process_exists(e->pid)) {
115 return;
116 }
117
118 if (count==0) {
119 d_printf("Locked files:\n");
120 d_printf("Pid Uid DenyMode Access R/W Oplock SharePath Name Time\n");
121 d_printf("--------------------------------------------------------------------------------------------------\n");
122 }
123 count++;
124
125 if (Ucrit_checkPid(e->pid)) {
126 d_printf("%-11s ",procid_str_static(&e->pid));
127 d_printf("%-9u ", (unsigned int)e->uid);
128 switch (map_share_mode_to_deny_mode(e->share_access,
129 e->private_options)) {
130 case DENY_NONE: d_printf("DENY_NONE "); break;
131 case DENY_ALL: d_printf("DENY_ALL "); break;
132 case DENY_DOS: d_printf("DENY_DOS "); break;
133 case DENY_READ: d_printf("DENY_READ "); break;
134 case DENY_WRITE:printf("DENY_WRITE "); break;
135 case DENY_FCB: d_printf("DENY_FCB "); break;
136 default: {
137 d_printf("unknown-please report ! "
138 "e->share_access = 0x%x, "
139 "e->private_options = 0x%x\n",
140 (unsigned int)e->share_access,
141 (unsigned int)e->private_options );
142 break;
143 }
144 }
145 d_printf("0x%-8x ",(unsigned int)e->access_mask);
146 if ((e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA))==
147 (FILE_READ_DATA|FILE_WRITE_DATA)) {
148 d_printf("RDWR ");
149 } else if (e->access_mask & FILE_WRITE_DATA) {
150 d_printf("WRONLY ");
151 } else {
152 d_printf("RDONLY ");
153 }
154
155 if((e->op_type & (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
156 (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) {
157 d_printf("EXCLUSIVE+BATCH ");
158 } else if (e->op_type & EXCLUSIVE_OPLOCK) {
159 d_printf("EXCLUSIVE ");
160 } else if (e->op_type & BATCH_OPLOCK) {
161 d_printf("BATCH ");
162 } else if (e->op_type & LEVEL_II_OPLOCK) {
163 d_printf("LEVEL_II ");
164 } else {
165 d_printf("NONE ");
166 }
167
168 d_printf(" %s %s %s",sharepath, fname, time_to_asc((time_t)e->time.tv_sec));
169 }
170}
171
172static void print_brl(struct file_id id,
173 struct server_id pid,
174 enum brl_type lock_type,
175 enum brl_flavour lock_flav,
176 br_off start,
177 br_off size,
178 void *private_data)
179{
180 static int count;
181 int i;
182 static const struct {
183 enum brl_type lock_type;
184 const char *desc;
185 } lock_types[] = {
186 { READ_LOCK, "R" },
187 { WRITE_LOCK, "W" },
188 { PENDING_READ_LOCK, "PR" },
189 { PENDING_WRITE_LOCK, "PW" },
190 { UNLOCK_LOCK, "U" }
191 };
192 const char *desc="X";
193 const char *sharepath = "";
194 char *fname = NULL;
195 struct share_mode_lock *share_mode;
196
197 if (count==0) {
198 d_printf("Byte range locks:\n");
199 d_printf("Pid dev:inode R/W start size SharePath Name\n");
200 d_printf("--------------------------------------------------------------------------------\n");
201 }
202 count++;
203
204 share_mode = fetch_share_mode_unlocked(NULL, id);
205 if (share_mode) {
206 bool has_stream = share_mode->stream_name != NULL;
207
208 fname = talloc_asprintf(NULL, "%s%s%s", share_mode->base_name,
209 has_stream ? ":" : "",
210 has_stream ? share_mode->stream_name :
211 "");
212 } else {
213 fname = talloc_strdup(NULL, "");
214 if (fname == NULL) {
215 return;
216 }
217 }
218
219 for (i=0;i<ARRAY_SIZE(lock_types);i++) {
220 if (lock_type == lock_types[i].lock_type) {
221 desc = lock_types[i].desc;
222 }
223 }
224
225 d_printf("%-10s %-15s %-4s %-9.0f %-9.0f %-24s %-24s\n",
226 procid_str_static(&pid), file_id_string_tos(&id),
227 desc,
228 (double)start, (double)size,
229 sharepath, fname);
230
231 TALLOC_FREE(fname);
232 TALLOC_FREE(share_mode);
233}
234
235static int traverse_fn1(struct db_record *rec,
236 const struct connections_key *key,
237 const struct connections_data *crec,
238 void *state)
239{
240 if (crec->cnum == -1)
241 return 0;
242
243 if (!process_exists(crec->pid) || !Ucrit_checkUid(crec->uid)) {
244 return 0;
245 }
246
247 d_printf("%-10s %s %-12s %s",
248 crec->servicename,procid_str_static(&crec->pid),
249 crec->machine,
250 time_to_asc(crec->start));
251
252 return 0;
253}
254
255static int traverse_sessionid(struct db_record *db, void *state)
256{
257 struct sessionid sessionid;
258 fstring uid_str, gid_str;
259
260 if (db->value.dsize != sizeof(sessionid))
261 return 0;
262
263 memcpy(&sessionid, db->value.dptr, sizeof(sessionid));
264
265 if (!process_exists(sessionid.pid) || !Ucrit_checkUid(sessionid.uid)) {
266 return 0;
267 }
268
269 Ucrit_addPid( sessionid.pid );
270
271 fstr_sprintf(uid_str, "%u", (unsigned int)sessionid.uid);
272 fstr_sprintf(gid_str, "%u", (unsigned int)sessionid.gid);
273
274 d_printf("%-7s %-12s %-12s %-12s (%s)\n",
275 procid_str_static(&sessionid.pid),
276 numeric_only ? uid_str : uidtoname(sessionid.uid),
277 numeric_only ? gid_str : gidtoname(sessionid.gid),
278 sessionid.remote_machine, sessionid.hostname);
279
280 return 0;
281}
282
283
284
285
286 int main(int argc, char *argv[])
287{
288 int c;
289 int profile_only = 0;
290 bool show_processes, show_locks, show_shares;
291 poptContext pc;
292 struct poptOption long_options[] = {
293 POPT_AUTOHELP
294 {"processes", 'p', POPT_ARG_NONE, NULL, 'p', "Show processes only" },
295 {"verbose", 'v', POPT_ARG_NONE, NULL, 'v', "Be verbose" },
296 {"locks", 'L', POPT_ARG_NONE, NULL, 'L', "Show locks only" },
297 {"shares", 'S', POPT_ARG_NONE, NULL, 'S', "Show shares only" },
298 {"user", 'u', POPT_ARG_STRING, &username, 'u', "Switch to user" },
299 {"brief", 'b', POPT_ARG_NONE, NULL, 'b', "Be brief" },
300 {"profile", 'P', POPT_ARG_NONE, NULL, 'P', "Do profiling" },
301 {"profile-rates", 'R', POPT_ARG_NONE, NULL, 'R', "Show call rates" },
302 {"byterange", 'B', POPT_ARG_NONE, NULL, 'B', "Include byte range locks"},
303 {"numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Numeric uid/gid"},
304 POPT_COMMON_SAMBA
305 POPT_TABLEEND
306 };
307 TALLOC_CTX *frame = talloc_stackframe();
308 int ret = 0;
309 struct messaging_context *msg_ctx;
310
311 sec_init();
312 load_case_tables();
313
314 setup_logging(argv[0],True);
315
316 dbf = x_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 struct db_context *db;
416 db = db_open(NULL, lock_path("sessionid.tdb"), 0,
417 TDB_CLEAR_IF_FIRST, O_RDONLY, 0644);
418 if (!db) {
419 d_printf("sessionid.tdb not initialised\n");
420 } else {
421 d_printf("\nSamba version %s\n",samba_version_string());
422 d_printf("PID Username Group Machine \n");
423 d_printf("-------------------------------------------------------------------\n");
424 if (lp_security() == SEC_SHARE) {
425 d_printf(" <processes do not show up in "
426 "anonymous mode>\n");
427 }
428
429 db->traverse_read(db, traverse_sessionid, NULL);
430 TALLOC_FREE(db);
431 }
432
433 if (processes_only) {
434 goto done;
435 }
436 }
437
438 if ( show_shares ) {
439 if (verbose) {
440 d_printf("Opened %s\n", lock_path("connections.tdb"));
441 }
442
443 if (brief) {
444 goto done;
445 }
446
447 d_printf("\nService pid machine Connected at\n");
448 d_printf("-------------------------------------------------------\n");
449
450 connections_forall(traverse_fn1, NULL);
451
452 d_printf("\n");
453
454 if ( shares_only ) {
455 goto done;
456 }
457 }
458
459 if ( show_locks ) {
460 int result;
461 struct db_context *db;
462 db = db_open(NULL, lock_path("locking.tdb"), 0,
463 TDB_CLEAR_IF_FIRST, O_RDONLY, 0);
464
465 if (!db) {
466 d_printf("%s not initialised\n",
467 lock_path("locking.tdb"));
468 d_printf("This is normal if an SMB client has never "
469 "connected to your server.\n");
470 exit(0);
471 } else {
472 TALLOC_FREE(db);
473 }
474
475 if (!locking_init_readonly()) {
476 d_printf("Can't initialise locking module - exiting\n");
477 ret = 1;
478 goto done;
479 }
480
481 result = share_mode_forall(print_share_mode, NULL);
482
483 if (result == 0) {
484 d_printf("No locked files\n");
485 } else if (result == -1) {
486 d_printf("locked file list truncated\n");
487 }
488
489 d_printf("\n");
490
491 if (show_brl) {
492 brl_forall(print_brl, NULL);
493 }
494
495 locking_end();
496 }
497
498done:
499 TALLOC_FREE(frame);
500 return ret;
501}
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