60cad2c28f24b8cda8ab67d7167f64fd6a73a26b
[ira/wip.git] / source3 / utils / status.c
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
36 static uid_t            Ucrit_uid = 0;               /* added by OH */
37 static struct server_id Ucrit_pid[SMB_MAXPIDS];  /* Ugly !!! */   /* added by OH */
38 static int              Ucrit_MaxPid=0;                    /* added by OH */
39 static unsigned int     Ucrit_IsActive = 0;                /* added by OH */
40
41 static bool verbose, brief;
42 static bool shares_only;            /* Added by RJS */
43 static bool locks_only;            /* Added by RJS */
44 static bool processes_only;
45 static bool show_brl;
46 static bool numeric_only;
47
48 const char *username = NULL;
49
50 extern bool status_profile_dump(bool be_verbose);
51 extern bool status_profile_rates(bool be_verbose);
52
53 /* added by OH */
54 static void Ucrit_addUid(uid_t uid)
55 {
56         Ucrit_uid = uid;
57         Ucrit_IsActive = 1;
58 }
59
60 static 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
71 static 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
86 static 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
103 static 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
172 static 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
235 static int traverse_fn1(const struct connections_key *key,
236                         const struct connections_data *crec,
237                         void *state)
238 {
239         if (crec->cnum == -1)
240                 return 0;
241
242         if (!process_exists(crec->pid) || !Ucrit_checkUid(crec->uid)) {
243                 return 0;
244         }
245
246         d_printf("%-10s   %s   %-12s  %s",
247                  crec->servicename,procid_str_static(&crec->pid),
248                  crec->machine,
249                  time_to_asc(crec->start));
250
251         return 0;
252 }
253
254 static int traverse_sessionid(struct db_record *db, void *state)
255 {
256         struct sessionid sessionid;
257         fstring uid_str, gid_str;
258
259         if (db->value.dsize != sizeof(sessionid))
260                 return 0;
261
262         memcpy(&sessionid, db->value.dptr, sizeof(sessionid));
263
264         if (!process_exists(sessionid.pid) || !Ucrit_checkUid(sessionid.uid)) {
265                 return 0;
266         }
267
268         Ucrit_addPid( sessionid.pid );
269
270         fstr_sprintf(uid_str, "%u", (unsigned int)sessionid.uid);
271         fstr_sprintf(gid_str, "%u", (unsigned int)sessionid.gid);
272
273         d_printf("%-7s   %-12s  %-12s  %-12s (%s)\n",
274                  procid_str_static(&sessionid.pid),
275                  numeric_only ? uid_str : uidtoname(sessionid.uid),
276                  numeric_only ? gid_str : gidtoname(sessionid.gid), 
277                  sessionid.remote_machine, sessionid.hostname);
278
279         return 0;
280 }
281
282
283
284
285  int main(int argc, char *argv[])
286 {
287         int c;
288         int profile_only = 0;
289         bool show_processes, show_locks, show_shares;
290         poptContext pc;
291         struct poptOption long_options[] = {
292                 POPT_AUTOHELP
293                 {"processes",   'p', POPT_ARG_NONE,     NULL, 'p', "Show processes only" },
294                 {"verbose",     'v', POPT_ARG_NONE,     NULL, 'v', "Be verbose" },
295                 {"locks",       'L', POPT_ARG_NONE,     NULL, 'L', "Show locks only" },
296                 {"shares",      'S', POPT_ARG_NONE,     NULL, 'S', "Show shares only" },
297                 {"user",        'u', POPT_ARG_STRING,   &username, 'u', "Switch to user" },
298                 {"brief",       'b', POPT_ARG_NONE,     NULL, 'b', "Be brief" },
299                 {"profile",     'P', POPT_ARG_NONE, NULL, 'P', "Do profiling" },
300                 {"profile-rates", 'R', POPT_ARG_NONE, NULL, 'R', "Show call rates" },
301                 {"byterange",   'B', POPT_ARG_NONE,     NULL, 'B', "Include byte range locks"},
302                 {"numeric",     'n', POPT_ARG_NONE,     NULL, 'n', "Numeric uid/gid"},
303                 POPT_COMMON_SAMBA
304                 POPT_TABLEEND
305         };
306         TALLOC_CTX *frame = talloc_stackframe();
307         int ret = 0;
308         struct messaging_context *msg_ctx;
309
310         sec_init();
311         load_case_tables();
312
313         setup_logging(argv[0],True);
314
315         dbf = x_stderr;
316
317         if (getuid() != geteuid()) {
318                 d_printf("smbstatus should not be run setuid\n");
319                 ret = 1;
320                 goto done;
321         }
322
323         pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 
324                             POPT_CONTEXT_KEEP_FIRST);
325
326         while ((c = poptGetNextOpt(pc)) != -1) {
327                 switch (c) {
328                 case 'p':
329                         processes_only = true;
330                         break;
331                 case 'v':
332                         verbose = true;
333                         break;
334                 case 'L':
335                         locks_only = true;
336                         break;
337                 case 'S':
338                         shares_only = true;
339                         break;
340                 case 'b':
341                         brief = true;
342                         break;
343                 case 'u':
344                         Ucrit_addUid(nametouid(poptGetOptArg(pc)));
345                         break;
346                 case 'P':
347                 case 'R':
348                         profile_only = c;
349                         break;
350                 case 'B':
351                         show_brl = true;
352                         break;
353                 case 'n':
354                         numeric_only = true;
355                         break;
356                 }
357         }
358
359         /* setup the flags based on the possible combincations */
360
361         show_processes = !(shares_only || locks_only || profile_only) || processes_only;
362         show_locks     = !(shares_only || processes_only || profile_only) || locks_only;
363         show_shares    = !(processes_only || locks_only || profile_only) || shares_only;
364
365         if ( username )
366                 Ucrit_addUid( nametouid(username) );
367
368         if (verbose) {
369                 d_printf("using configfile = %s\n", get_dyn_CONFIGFILE());
370         }
371
372         if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
373                 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
374                         get_dyn_CONFIGFILE());
375                 ret = -1;
376                 goto done;
377         }
378
379
380         if (lp_clustering()) {
381                 /*
382                  * This implicitly initializes the global ctdbd
383                  * connection, usable by the db_open() calls further
384                  * down.
385                  */
386                 msg_ctx = messaging_init(NULL, procid_self(),
387                                          event_context_init(NULL));
388                 if (msg_ctx == NULL) {
389                         fprintf(stderr, "messaging_init failed\n");
390                         ret = -1;
391                         goto done;
392                 }
393         }
394
395         if (!lp_load(get_dyn_CONFIGFILE(),False,False,False,True)) {
396                 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
397                         get_dyn_CONFIGFILE());
398                 ret = -1;
399                 goto done;
400         }
401
402         switch (profile_only) {
403                 case 'P':
404                         /* Dump profile data */
405                         return status_profile_dump(verbose);
406                 case 'R':
407                         /* Continuously display rate-converted data */
408                         return status_profile_rates(verbose);
409                 default:
410                         break;
411         }
412
413         if ( show_processes ) {
414                 struct db_context *db;
415                 db = db_open(NULL, lock_path("sessionid.tdb"), 0,
416                              TDB_CLEAR_IF_FIRST, O_RDONLY, 0644);
417                 if (!db) {
418                         d_printf("sessionid.tdb not initialised\n");
419                 } else {
420                         d_printf("\nSamba version %s\n",samba_version_string());
421                         d_printf("PID     Username      Group         Machine                        \n");
422                         d_printf("-------------------------------------------------------------------\n");
423                         if (lp_security() == SEC_SHARE) {
424                                 d_printf(" <processes do not show up in "
425                                     "anonymous mode>\n");
426                         }
427
428                         db->traverse_read(db, traverse_sessionid, NULL);
429                         TALLOC_FREE(db);
430                 }
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, 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                 result = share_mode_forall(print_share_mode, NULL);
481
482                 if (result == 0) {
483                         d_printf("No locked files\n");
484                 } else if (result == -1) {
485                         d_printf("locked file list truncated\n");
486                 }
487
488                 d_printf("\n");
489
490                 if (show_brl) {
491                         brl_forall(print_brl, NULL);
492                 }
493
494                 locking_end();
495         }
496
497 done:
498         TALLOC_FREE(frame);
499         return ret;
500 }