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

Last change on this file was 862, checked in by Silvan Scherrer, 11 years ago

Samba Server: update trunk to 3.6.23
File size: 12.1 KB
RevLine 
[862]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#include "serverid.h"
42
43#define SMB_MAXPIDS 2048
44static uid_t Ucrit_uid = 0; /* added by OH */
45static struct server_id Ucrit_pid[SMB_MAXPIDS]; /* Ugly !!! */ /* added by OH */
46static int Ucrit_MaxPid=0; /* added by OH */
47static unsigned int Ucrit_IsActive = 0; /* added by OH */
48
49static bool verbose, brief;
50static bool shares_only; /* Added by RJS */
51static bool locks_only; /* Added by RJS */
52static bool processes_only;
53static bool show_brl;
54static bool numeric_only;
55
56const char *username = NULL;
57
58extern bool status_profile_dump(bool be_verbose);
59extern bool status_profile_rates(bool be_verbose);
60
61/* added by OH */
62static void Ucrit_addUid(uid_t uid)
63{
64 Ucrit_uid = uid;
65 Ucrit_IsActive = 1;
66}
67
68static unsigned int Ucrit_checkUid(uid_t uid)
69{
70 if ( !Ucrit_IsActive )
71 return 1;
72
73 if ( uid == Ucrit_uid )
74 return 1;
75
76 return 0;
77}
78
79static unsigned int Ucrit_checkPid(struct server_id pid)
80{
81 int i;
82
83 if ( !Ucrit_IsActive )
84 return 1;
85
86 for (i=0;i<Ucrit_MaxPid;i++) {
87 if (cluster_id_equal(&pid, &Ucrit_pid[i]))
88 return 1;
89 }
90
91 return 0;
92}
93
94static bool Ucrit_addPid( struct server_id pid )
95{
96 if ( !Ucrit_IsActive )
97 return True;
98
99 if ( Ucrit_MaxPid >= SMB_MAXPIDS ) {
100 d_printf("ERROR: More than %d pids for user %s!\n",
101 SMB_MAXPIDS, uidtoname(Ucrit_uid));
102
103 return False;
104 }
105
106 Ucrit_pid[Ucrit_MaxPid++] = pid;
107
108 return True;
109}
110
111static void print_share_mode(const struct share_mode_entry *e,
112 const char *sharepath,
113 const char *fname,
114 void *dummy)
115{
116 static int count;
117
118 if (!is_valid_share_mode_entry(e)) {
119 return;
120 }
121
122 if (!process_exists(e->pid)) {
123 return;
124 }
125
126 if (count==0) {
127 d_printf("Locked files:\n");
128 d_printf("Pid Uid DenyMode Access R/W Oplock SharePath Name Time\n");
129 d_printf("--------------------------------------------------------------------------------------------------\n");
130 }
131 count++;
132
133 if (Ucrit_checkPid(e->pid)) {
134 d_printf("%-11s ",procid_str_static(&e->pid));
135 d_printf("%-9u ", (unsigned int)e->uid);
136 switch (map_share_mode_to_deny_mode(e->share_access,
137 e->private_options)) {
138 case DENY_NONE: d_printf("DENY_NONE "); break;
139 case DENY_ALL: d_printf("DENY_ALL "); break;
140 case DENY_DOS: d_printf("DENY_DOS "); break;
141 case DENY_READ: d_printf("DENY_READ "); break;
142 case DENY_WRITE:printf("DENY_WRITE "); break;
143 case DENY_FCB: d_printf("DENY_FCB "); break;
144 default: {
145 d_printf("unknown-please report ! "
146 "e->share_access = 0x%x, "
147 "e->private_options = 0x%x\n",
148 (unsigned int)e->share_access,
149 (unsigned int)e->private_options );
150 break;
151 }
152 }
153 d_printf("0x%-8x ",(unsigned int)e->access_mask);
154 if ((e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA))==
155 (FILE_READ_DATA|FILE_WRITE_DATA)) {
156 d_printf("RDWR ");
157 } else if (e->access_mask & FILE_WRITE_DATA) {
158 d_printf("WRONLY ");
159 } else {
160 d_printf("RDONLY ");
161 }
162
163 if((e->op_type & (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
164 (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) {
165 d_printf("EXCLUSIVE+BATCH ");
166 } else if (e->op_type & EXCLUSIVE_OPLOCK) {
167 d_printf("EXCLUSIVE ");
168 } else if (e->op_type & BATCH_OPLOCK) {
169 d_printf("BATCH ");
170 } else if (e->op_type & LEVEL_II_OPLOCK) {
171 d_printf("LEVEL_II ");
172 } else {
173 d_printf("NONE ");
174 }
175
176 d_printf(" %s %s %s",sharepath, fname, time_to_asc((time_t)e->time.tv_sec));
177 }
178}
179
180static void print_brl(struct file_id id,
181 struct server_id pid,
182 enum brl_type lock_type,
183 enum brl_flavour lock_flav,
184 br_off start,
185 br_off size,
186 void *private_data)
187{
188 static int count;
189 int i;
190 static const struct {
191 enum brl_type lock_type;
192 const char *desc;
193 } lock_types[] = {
194 { READ_LOCK, "R" },
195 { WRITE_LOCK, "W" },
196 { PENDING_READ_LOCK, "PR" },
197 { PENDING_WRITE_LOCK, "PW" },
198 { UNLOCK_LOCK, "U" }
199 };
200 const char *desc="X";
201 const char *sharepath = "";
202 char *fname = NULL;
203 struct share_mode_lock *share_mode;
204
205 if (count==0) {
206 d_printf("Byte range locks:\n");
207 d_printf("Pid dev:inode R/W start size SharePath Name\n");
208 d_printf("--------------------------------------------------------------------------------\n");
209 }
210 count++;
211
212 share_mode = fetch_share_mode_unlocked(NULL, id);
213 if (share_mode) {
214 bool has_stream = share_mode->stream_name != NULL;
215
216 fname = talloc_asprintf(NULL, "%s%s%s", share_mode->base_name,
217 has_stream ? ":" : "",
218 has_stream ? share_mode->stream_name :
219 "");
220 } else {
221 fname = talloc_strdup(NULL, "");
222 if (fname == NULL) {
223 return;
224 }
225 }
226
227 for (i=0;i<ARRAY_SIZE(lock_types);i++) {
228 if (lock_type == lock_types[i].lock_type) {
229 desc = lock_types[i].desc;
230 }
231 }
232
233 d_printf("%-10s %-15s %-4s %-9.0f %-9.0f %-24s %-24s\n",
234 procid_str_static(&pid), file_id_string_tos(&id),
235 desc,
236 (double)start, (double)size,
237 sharepath, fname);
238
239 TALLOC_FREE(fname);
240 TALLOC_FREE(share_mode);
241}
242
243static int traverse_fn1(const struct connections_key *key,
244 const struct connections_data *crec,
245 void *state)
246{
247 if (crec->cnum == -1)
248 return 0;
249
250 if (!process_exists(crec->pid) || !Ucrit_checkUid(crec->uid)) {
251 return 0;
252 }
253
254 d_printf("%-10s %s %-12s %s",
255 crec->servicename,procid_str_static(&crec->pid),
256 crec->machine,
257 time_to_asc(crec->start));
258
259 return 0;
260}
261
262static int traverse_sessionid(const char *key, struct sessionid *session,
263 void *private_data)
264{
265 fstring uid_str, gid_str;
266
267 if (!process_exists(session->pid)
268 || !Ucrit_checkUid(session->uid)) {
269 return 0;
270 }
271
272 Ucrit_addPid(session->pid);
273
274 fstr_sprintf(uid_str, "%u", (unsigned int)session->uid);
275 fstr_sprintf(gid_str, "%u", (unsigned int)session->gid);
276
277 d_printf("%-7s %-12s %-12s %-12s (%s)\n",
278 procid_str_static(&session->pid),
279 numeric_only ? uid_str : uidtoname(session->uid),
280 numeric_only ? gid_str : gidtoname(session->gid),
281 session->remote_machine, session->hostname);
282
283 return 0;
284}
285
286
287
288
289 int main(int argc, char *argv[])
290{
291 int c;
292 int profile_only = 0;
293 bool show_processes, show_locks, show_shares;
294 poptContext pc;
295 struct poptOption long_options[] = {
296 POPT_AUTOHELP
297 {"processes", 'p', POPT_ARG_NONE, NULL, 'p', "Show processes only" },
298 {"verbose", 'v', POPT_ARG_NONE, NULL, 'v', "Be verbose" },
299 {"locks", 'L', POPT_ARG_NONE, NULL, 'L', "Show locks only" },
300 {"shares", 'S', POPT_ARG_NONE, NULL, 'S', "Show shares only" },
301 {"user", 'u', POPT_ARG_STRING, &username, 'u', "Switch to user" },
302 {"brief", 'b', POPT_ARG_NONE, NULL, 'b', "Be brief" },
303 {"profile", 'P', POPT_ARG_NONE, NULL, 'P', "Do profiling" },
304 {"profile-rates", 'R', POPT_ARG_NONE, NULL, 'R', "Show call rates" },
305 {"byterange", 'B', POPT_ARG_NONE, NULL, 'B', "Include byte range locks"},
306 {"numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Numeric uid/gid"},
307 POPT_COMMON_SAMBA
308 POPT_TABLEEND
309 };
310 TALLOC_CTX *frame = talloc_stackframe();
311 int ret = 0;
312 struct messaging_context *msg_ctx;
313
314 sec_init();
315 load_case_tables();
316
317 setup_logging(argv[0], DEBUG_STDERR);
318
319 if (getuid() != geteuid()) {
320 d_printf("smbstatus should not be run setuid\n");
321 ret = 1;
322 goto done;
323 }
324
325 pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
326 POPT_CONTEXT_KEEP_FIRST);
327
328 while ((c = poptGetNextOpt(pc)) != -1) {
329 switch (c) {
330 case 'p':
331 processes_only = true;
332 break;
333 case 'v':
334 verbose = true;
335 break;
336 case 'L':
337 locks_only = true;
338 break;
339 case 'S':
340 shares_only = true;
341 break;
342 case 'b':
343 brief = true;
344 break;
345 case 'u':
346 Ucrit_addUid(nametouid(poptGetOptArg(pc)));
347 break;
348 case 'P':
349 case 'R':
350 profile_only = c;
351 break;
352 case 'B':
353 show_brl = true;
354 break;
355 case 'n':
356 numeric_only = true;
357 break;
358 }
359 }
360
361 /* setup the flags based on the possible combincations */
362
363 show_processes = !(shares_only || locks_only || profile_only) || processes_only;
364 show_locks = !(shares_only || processes_only || profile_only) || locks_only;
365 show_shares = !(processes_only || locks_only || profile_only) || shares_only;
366
367 if ( username )
368 Ucrit_addUid( nametouid(username) );
369
370 if (verbose) {
371 d_printf("using configfile = %s\n", get_dyn_CONFIGFILE());
372 }
373
374 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
375 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
376 get_dyn_CONFIGFILE());
377 ret = -1;
378 goto done;
379 }
380
381
382 if (!sessionid_init_readonly()) {
383 fprintf(stderr, "Can't open sessionid.tdb\n");
384 ret = -1;
385 goto done;
386 }
387
388 if (lp_clustering()) {
389 /*
390 * This implicitly initializes the global ctdbd
391 * connection, usable by the db_open() calls further
392 * down.
393 */
394 msg_ctx = messaging_init(NULL, procid_self(),
395 event_context_init(NULL));
396 if (msg_ctx == NULL) {
397 fprintf(stderr, "messaging_init failed\n");
398 ret = -1;
399 goto done;
400 }
401 }
402
403 if (!lp_load(get_dyn_CONFIGFILE(),False,False,False,True)) {
404 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
405 get_dyn_CONFIGFILE());
406 ret = -1;
407 goto done;
408 }
409
410 switch (profile_only) {
411 case 'P':
412 /* Dump profile data */
413 return status_profile_dump(verbose);
414 case 'R':
415 /* Continuously display rate-converted data */
416 return status_profile_rates(verbose);
417 default:
418 break;
419 }
420
421 if ( show_processes ) {
422 d_printf("\nSamba version %s\n",samba_version_string());
423 d_printf("PID Username Group Machine \n");
424 d_printf("-------------------------------------------------------------------\n");
425 if (lp_security() == SEC_SHARE) {
426 d_printf(" <processes do not show up in "
427 "anonymous mode>\n");
428 }
429
430 sessionid_traverse_read(traverse_sessionid, NULL);
431
432 if (processes_only) {
433 goto done;
434 }
435 }
436
437 if ( show_shares ) {
438 if (verbose) {
439 d_printf("Opened %s\n", lock_path("connections.tdb"));
440 }
441
442 if (brief) {
443 goto done;
444 }
445
446 d_printf("\nService pid machine Connected at\n");
447 d_printf("-------------------------------------------------------\n");
448
449 connections_forall_read(traverse_fn1, NULL);
450
451 d_printf("\n");
452
453 if ( shares_only ) {
454 goto done;
455 }
456 }
457
458 if ( show_locks ) {
459 int result;
460 struct db_context *db;
461 db = db_open(NULL, lock_path("locking.tdb"), 0,
462 TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH, O_RDONLY, 0);
463
464 if (!db) {
465 d_printf("%s not initialised\n",
466 lock_path("locking.tdb"));
467 d_printf("This is normal if an SMB client has never "
468 "connected to your server.\n");
469 exit(0);
470 } else {
471 TALLOC_FREE(db);
472 }
473
474 if (!locking_init_readonly()) {
475 d_printf("Can't initialise locking module - exiting\n");
476 ret = 1;
477 goto done;
478 }
479
480 if (!serverid_init_readonly(frame)) {
481 d_printf("Can't initialise serverid tdb - exiting\n");
482 ret = 1;
483 goto done;
484 }
485 result = share_mode_forall(print_share_mode, NULL);
486
487 if (result == 0) {
488 d_printf("No locked files\n");
489 } else if (result == -1) {
490 d_printf("locked file list truncated\n");
491 }
492
493 d_printf("\n");
494
495 if (show_brl) {
496 brl_forall(print_brl, NULL);
497 }
498
499 locking_end();
500 }
501
502done:
503 TALLOC_FREE(frame);
504 return ret;
505}
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