source: branches/samba-3.3.x/source/utils/status.c

Last change on this file was 206, checked in by Herwig Bauernfeind, 16 years ago

Import Samba 3.3 branch at 3.0.0 level (psmedley's port)
File size: 11.7 KB
RevLine 
[206]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 const char *fname = "";
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, "__unspecified__", "__unspecified__");
205 if (share_mode) {
206 sharepath = share_mode->servicepath;
207 fname = share_mode->filename;
208 }
209
210 for (i=0;i<ARRAY_SIZE(lock_types);i++) {
211 if (lock_type == lock_types[i].lock_type) {
212 desc = lock_types[i].desc;
213 }
214 }
215
216 d_printf("%-10s %-15s %-4s %-9.0f %-9.0f %-24s %-24s\n",
217 procid_str_static(&pid), file_id_string_tos(&id),
218 desc,
219 (double)start, (double)size,
220 sharepath, fname);
221
222 TALLOC_FREE(share_mode);
223}
224
225static int traverse_fn1(struct db_record *rec,
226 const struct connections_key *key,
227 const struct connections_data *crec,
228 void *state)
229{
230 if (crec->cnum == -1)
231 return 0;
232
233 if (!process_exists(crec->pid) || !Ucrit_checkUid(crec->uid)) {
234 return 0;
235 }
236
237 d_printf("%-10s %s %-12s %s",
238 crec->servicename,procid_str_static(&crec->pid),
239 crec->machine,
240 time_to_asc(crec->start));
241
242 return 0;
243}
244
245static int traverse_sessionid(struct db_record *db, void *state)
246{
247 struct sessionid sessionid;
248 fstring uid_str, gid_str;
249
250 if (db->value.dsize != sizeof(sessionid))
251 return 0;
252
253 memcpy(&sessionid, db->value.dptr, sizeof(sessionid));
254
255 if (!process_exists(sessionid.pid) || !Ucrit_checkUid(sessionid.uid)) {
256 return 0;
257 }
258
259 Ucrit_addPid( sessionid.pid );
260
261 fstr_sprintf(uid_str, "%d", sessionid.uid);
262 fstr_sprintf(gid_str, "%d", sessionid.gid);
263
264 d_printf("%-7s %-12s %-12s %-12s (%s)\n",
265 procid_str_static(&sessionid.pid),
266 numeric_only ? uid_str : uidtoname(sessionid.uid),
267 numeric_only ? gid_str : gidtoname(sessionid.gid),
268 sessionid.remote_machine, sessionid.hostname);
269
270 return 0;
271}
272
273
274
275
276 int main(int argc, char *argv[])
277{
278 int c;
279 int profile_only = 0;
280 bool show_processes, show_locks, show_shares;
281 poptContext pc;
282 struct poptOption long_options[] = {
283 POPT_AUTOHELP
284 {"processes", 'p', POPT_ARG_NONE, NULL, 'p', "Show processes only" },
285 {"verbose", 'v', POPT_ARG_NONE, NULL, 'v', "Be verbose" },
286 {"locks", 'L', POPT_ARG_NONE, NULL, 'L', "Show locks only" },
287 {"shares", 'S', POPT_ARG_NONE, NULL, 'S', "Show shares only" },
288 {"user", 'u', POPT_ARG_STRING, &username, 'u', "Switch to user" },
289 {"brief", 'b', POPT_ARG_NONE, NULL, 'b', "Be brief" },
290 {"profile", 'P', POPT_ARG_NONE, NULL, 'P', "Do profiling" },
291 {"profile-rates", 'R', POPT_ARG_NONE, NULL, 'R', "Show call rates" },
292 {"byterange", 'B', POPT_ARG_NONE, NULL, 'B', "Include byte range locks"},
293 {"numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Numeric uid/gid"},
294 POPT_COMMON_SAMBA
295 POPT_TABLEEND
296 };
297 TALLOC_CTX *frame = talloc_stackframe();
298 int ret = 0;
299 struct messaging_context *msg_ctx;
300
301 sec_init();
302 load_case_tables();
303
304 setup_logging(argv[0],True);
305
306 dbf = x_stderr;
307
308 if (getuid() != geteuid()) {
309 d_printf("smbstatus should not be run setuid\n");
310 ret = 1;
311 goto done;
312 }
313
314 pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
315 POPT_CONTEXT_KEEP_FIRST);
316
317 while ((c = poptGetNextOpt(pc)) != -1) {
318 switch (c) {
319 case 'p':
320 processes_only = true;
321 break;
322 case 'v':
323 verbose = true;
324 break;
325 case 'L':
326 locks_only = true;
327 break;
328 case 'S':
329 shares_only = true;
330 break;
331 case 'b':
332 brief = true;
333 break;
334 case 'u':
335 Ucrit_addUid(nametouid(poptGetOptArg(pc)));
336 break;
337 case 'P':
338 case 'R':
339 profile_only = c;
340 break;
341 case 'B':
342 show_brl = true;
343 break;
344 case 'n':
345 numeric_only = true;
346 break;
347 }
348 }
349
350 /* setup the flags based on the possible combincations */
351
352 show_processes = !(shares_only || locks_only || profile_only) || processes_only;
353 show_locks = !(shares_only || processes_only || profile_only) || locks_only;
354 show_shares = !(processes_only || locks_only || profile_only) || shares_only;
355
356 if ( username )
357 Ucrit_addUid( nametouid(username) );
358
359 if (verbose) {
360 d_printf("using configfile = %s\n", get_dyn_CONFIGFILE());
361 }
362
363 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
364 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
365 get_dyn_CONFIGFILE());
366 ret = -1;
367 goto done;
368 }
369
370 /*
371 * This implicitly initializes the global ctdbd connection, usable by
372 * the db_open() calls further down.
373 */
374
375 msg_ctx = messaging_init(NULL, procid_self(),
376 event_context_init(NULL));
377
378 if (msg_ctx == NULL) {
379 fprintf(stderr, "messaging_init failed\n");
380 ret = -1;
381 goto done;
382 }
383
384 if (!lp_load(get_dyn_CONFIGFILE(),False,False,False,True)) {
385 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
386 get_dyn_CONFIGFILE());
387 ret = -1;
388 goto done;
389 }
390
391 switch (profile_only) {
392 case 'P':
393 /* Dump profile data */
394 return status_profile_dump(verbose);
395 case 'R':
396 /* Continuously display rate-converted data */
397 return status_profile_rates(verbose);
398 default:
399 break;
400 }
401
402 if ( show_processes ) {
403 struct db_context *db;
404 db = db_open(NULL, lock_path("sessionid.tdb"), 0,
405 TDB_CLEAR_IF_FIRST, O_RDONLY, 0644);
406 if (!db) {
407 d_printf("sessionid.tdb not initialised\n");
408 } else {
409 d_printf("\nSamba version %s\n",SAMBA_VERSION_STRING);
410 d_printf("PID Username Group Machine \n");
411 d_printf("-------------------------------------------------------------------\n");
412
413 db->traverse_read(db, traverse_sessionid, NULL);
414 TALLOC_FREE(db);
415 }
416
417 if (processes_only) {
418 goto done;
419 }
420 }
421
422 if ( show_shares ) {
423 if (verbose) {
424 d_printf("Opened %s\n", lock_path("connections.tdb"));
425 }
426
427 if (brief) {
428 goto done;
429 }
430
431 d_printf("\nService pid machine Connected at\n");
432 d_printf("-------------------------------------------------------\n");
433
434 connections_forall(traverse_fn1, NULL);
435
436 d_printf("\n");
437
438 if ( shares_only ) {
439 goto done;
440 }
441 }
442
443 if ( show_locks ) {
444 int result;
445 struct db_context *db;
446 db = db_open(NULL, lock_path("locking.tdb"), 0,
447 TDB_CLEAR_IF_FIRST, O_RDONLY, 0);
448
449 if (!db) {
450 d_printf("%s not initialised\n",
451 lock_path("locking.tdb"));
452 d_printf("This is normal if an SMB client has never "
453 "connected to your server.\n");
454 exit(0);
455 } else {
456 TALLOC_FREE(db);
457 }
458
459 if (!locking_init_readonly()) {
460 d_printf("Can't initialise locking module - exiting\n");
461 ret = 1;
462 goto done;
463 }
464
465 result = share_mode_forall(print_share_mode, NULL);
466
467 if (result == 0) {
468 d_printf("No locked files\n");
469 } else if (result == -1) {
470 d_printf("locked file list truncated\n");
471 }
472
473 d_printf("\n");
474
475 if (show_brl) {
476 brl_forall(print_brl, NULL);
477 }
478
479 locking_end();
480 }
481
482done:
483 TALLOC_FREE(frame);
484 return ret;
485}
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