5b769a036b74a2a58757acc464c9d8f9c5a0f72a
[sfrench/samba-autobuild/.git] / source / 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 2 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, write to the Free Software
18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19
20    Revision History:
21
22    12 aug 96: Erik.Devriendt@te6.siemens.be
23    added support for shared memory implementation of share mode locking
24
25    21-Jul-1998: rsharpe@ns.aus.com (Richard Sharpe)
26    Added -L (locks only) -S (shares only) flags and code
27
28 */
29
30 /*
31  * This program reports current SMB connections
32  */
33
34 #include "includes.h"
35
36 #define SMB_MAXPIDS             2048
37 static uid_t            Ucrit_uid = 0;               /* added by OH */
38 static struct server_id Ucrit_pid[SMB_MAXPIDS];  /* Ugly !!! */   /* added by OH */
39 static int              Ucrit_MaxPid=0;                    /* added by OH */
40 static unsigned int     Ucrit_IsActive = 0;                /* added by OH */
41
42 static int verbose, brief;
43 static int            shares_only = 0;            /* Added by RJS */
44 static int            locks_only  = 0;            /* Added by RJS */
45 static BOOL processes_only=False;
46 static int show_brl;
47 static BOOL numeric_only = False;
48
49 const char *username = NULL;
50
51 extern BOOL status_profile_dump(BOOL be_verbose);
52 extern BOOL status_profile_rates(BOOL be_verbose);
53
54 /* added by OH */
55 static void Ucrit_addUid(uid_t uid)
56 {
57         Ucrit_uid = uid;
58         Ucrit_IsActive = 1;
59 }
60
61 static unsigned int Ucrit_checkUid(uid_t uid)
62 {
63         if ( !Ucrit_IsActive ) 
64                 return 1;
65         
66         if ( uid == Ucrit_uid ) 
67                 return 1;
68         
69         return 0;
70 }
71
72 static unsigned int Ucrit_checkPid(struct server_id pid)
73 {
74         int i;
75         
76         if ( !Ucrit_IsActive ) 
77                 return 1;
78         
79         for (i=0;i<Ucrit_MaxPid;i++) {
80                 if (cluster_id_equal(&pid, &Ucrit_pid[i])) 
81                         return 1;
82         }
83         
84         return 0;
85 }
86
87 static BOOL Ucrit_addPid( struct server_id pid )
88 {
89         if ( !Ucrit_IsActive )
90                 return True;
91
92         if ( Ucrit_MaxPid >= SMB_MAXPIDS ) {
93                 d_printf("ERROR: More than %d pids for user %s!\n",
94                          SMB_MAXPIDS, uidtoname(Ucrit_uid));
95
96                 return False;
97         }
98
99         Ucrit_pid[Ucrit_MaxPid++] = pid;
100         
101         return True;
102 }
103
104 static void print_share_mode(const struct share_mode_entry *e,
105                              const char *sharepath,
106                              const char *fname,
107                              void *dummy)
108 {
109         static int count;
110
111         if (!is_valid_share_mode_entry(e)) {
112                 return;
113         }
114
115         if (count==0) {
116                 d_printf("Locked files:\n");
117                 d_printf("Pid          Uid        DenyMode   Access      R/W        Oplock           SharePath   Name   Time\n");
118                 d_printf("--------------------------------------------------------------------------------------------------\n");
119         }
120         count++;
121
122         if (Ucrit_checkPid(e->pid)) {
123                 d_printf("%-11s  ",procid_str_static(&e->pid));
124                 d_printf("%-9u  ", (unsigned int)e->uid);
125                 switch (map_share_mode_to_deny_mode(e->share_access,
126                                                     e->private_options)) {
127                         case DENY_NONE: d_printf("DENY_NONE  "); break;
128                         case DENY_ALL:  d_printf("DENY_ALL   "); break;
129                         case DENY_DOS:  d_printf("DENY_DOS   "); break;
130                         case DENY_READ: d_printf("DENY_READ  "); break;
131                         case DENY_WRITE:printf("DENY_WRITE "); break;
132                         case DENY_FCB:  d_printf("DENY_FCB "); break;
133                         default: {
134                                 d_printf("unknown-please report ! "
135                                          "e->share_access = 0x%x, "
136                                          "e->private_options = 0x%x\n",
137                                          (unsigned int)e->share_access,
138                                          (unsigned int)e->private_options );
139                                 break;
140                         }
141                 }
142                 d_printf("0x%-8x  ",(unsigned int)e->access_mask);
143                 if ((e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA))==
144                                 (FILE_READ_DATA|FILE_WRITE_DATA)) {
145                         d_printf("RDWR       ");
146                 } else if (e->access_mask & FILE_WRITE_DATA) {
147                         d_printf("WRONLY     ");
148                 } else {
149                         d_printf("RDONLY     ");
150                 }
151
152                 if((e->op_type & (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) == 
153                                         (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) {
154                         d_printf("EXCLUSIVE+BATCH ");
155                 } else if (e->op_type & EXCLUSIVE_OPLOCK) {
156                         d_printf("EXCLUSIVE       ");
157                 } else if (e->op_type & BATCH_OPLOCK) {
158                         d_printf("BATCH           ");
159                 } else if (e->op_type & LEVEL_II_OPLOCK) {
160                         d_printf("LEVEL_II        ");
161                 } else {
162                         d_printf("NONE            ");
163                 }
164
165                 d_printf(" %s   %s   %s",sharepath, fname, time_to_asc((time_t)e->time.tv_sec));
166         }
167 }
168
169 static void print_brl(struct file_id id,
170                         struct server_id pid, 
171                         enum brl_type lock_type,
172                         enum brl_flavour lock_flav,
173                         br_off start,
174                         br_off size,
175                         void *private_data)
176 {
177         static int count;
178         int i;
179         static const struct {
180                 enum brl_type lock_type;
181                 const char *desc;
182         } lock_types[] = {
183                 { READ_LOCK, "R" },
184                 { WRITE_LOCK, "W" },
185                 { PENDING_READ_LOCK, "PR" },
186                 { PENDING_WRITE_LOCK, "PW" },
187                 { UNLOCK_LOCK, "U" }
188         };
189         const char *desc="X";
190         if (count==0) {
191                 d_printf("Byte range locks:\n");
192                 d_printf("   Pid     dev:inode  R/W      start        size\n");
193                 d_printf("------------------------------------------------\n");
194         }
195         count++;
196
197         for (i=0;i<ARRAY_SIZE(lock_types);i++) {
198                 if (lock_type == lock_types[i].lock_type) {
199                         desc = lock_types[i].desc;
200                 }
201         }
202
203         d_printf("%8s   %s    %2s  %9.0f   %9.0f\n", 
204                  procid_str_static(&pid), file_id_static_string(&id),
205                  desc,
206                  (double)start, (double)size);
207 }
208
209 static int traverse_fn1(struct db_record *rec,
210                         const struct connections_key *key,
211                         const struct connections_data *crec,
212                         void *state)
213 {
214         if (crec->cnum == -1)
215                 return 0;
216
217         if (!process_exists(crec->pid) || !Ucrit_checkUid(crec->uid)) {
218                 return 0;
219         }
220
221         d_printf("%-10s   %s   %-12s  %s",
222                crec->servicename,procid_str_static(&crec->pid),
223                crec->machine,
224                time_to_asc(crec->start));
225
226         return 0;
227 }
228
229 static int traverse_sessionid(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void *state)
230 {
231         struct sessionid sessionid;
232         fstring uid_str, gid_str;
233
234         if (dbuf.dsize != sizeof(sessionid))
235                 return 0;
236
237         memcpy(&sessionid, dbuf.dptr, sizeof(sessionid));
238
239         if (!process_exists(sessionid.pid) || !Ucrit_checkUid(sessionid.uid)) {
240                 return 0;
241         }
242
243         Ucrit_addPid( sessionid.pid );
244
245         fstr_sprintf(uid_str, "%d", sessionid.uid);
246         fstr_sprintf(gid_str, "%d", sessionid.gid);
247
248         d_printf("%s   %-12s  %-12s  %-12s (%s)\n",
249                  procid_str_static(&sessionid.pid),
250                  numeric_only ? uid_str : uidtoname(sessionid.uid),
251                  numeric_only ? gid_str : gidtoname(sessionid.gid), 
252                  sessionid.remote_machine, sessionid.hostname);
253         
254         return 0;
255 }
256
257
258
259
260  int main(int argc, char *argv[])
261 {
262         int c;
263         int profile_only = 0;
264         TDB_CONTEXT *tdb;
265         BOOL show_processes, show_locks, show_shares;
266         poptContext pc;
267         struct poptOption long_options[] = {
268                 POPT_AUTOHELP
269                 {"processes",   'p', POPT_ARG_NONE,     &processes_only, 'p', "Show processes only" },
270                 {"verbose",     'v', POPT_ARG_NONE, &verbose, 'v', "Be verbose" },
271                 {"locks",       'L', POPT_ARG_NONE,     &locks_only, 'L', "Show locks only" },
272                 {"shares",      'S', POPT_ARG_NONE,     &shares_only, 'S', "Show shares only" },
273                 {"user",        'u', POPT_ARG_STRING,   &username, 'u', "Switch to user" },
274                 {"brief",       'b', POPT_ARG_NONE,     &brief, 'b', "Be brief" },
275                 {"profile",     'P', POPT_ARG_NONE, NULL, 'P', "Do profiling" },
276                 {"profile-rates", 'R', POPT_ARG_NONE, NULL, 'R', "Show call rates" },
277                 {"byterange",   'B', POPT_ARG_NONE,     &show_brl, 'B', "Include byte range locks"},
278                 {"numeric",     'n', POPT_ARG_NONE,     &numeric_only, 'n', "Numeric uid/gid"},
279                 POPT_COMMON_SAMBA
280                 POPT_TABLEEND
281         };
282
283         sec_init();
284         load_case_tables();
285
286         setup_logging(argv[0],True);
287         
288         dbf = x_stderr;
289         
290         if (getuid() != geteuid()) {
291                 d_printf("smbstatus should not be run setuid\n");
292                 return(1);
293         }
294
295         pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 
296                             POPT_CONTEXT_KEEP_FIRST);
297         
298         while ((c = poptGetNextOpt(pc)) != -1) {
299                 switch (c) {
300                 case 'u':                                      
301                         Ucrit_addUid(nametouid(poptGetOptArg(pc)));
302                         break;
303                 case 'P':
304                 case 'R':
305                         profile_only = c;
306                 }
307         }
308
309         /* setup the flags based on the possible combincations */
310
311         show_processes = !(shares_only || locks_only || profile_only) || processes_only;
312         show_locks     = !(shares_only || processes_only || profile_only) || locks_only;
313         show_shares    = !(processes_only || locks_only || profile_only) || shares_only;
314
315         if ( username )
316                 Ucrit_addUid( nametouid(username) );
317
318         if (verbose) {
319                 d_printf("using configfile = %s\n", dyn_CONFIGFILE);
320         }
321
322         if (!lp_load(dyn_CONFIGFILE,False,False,False,True)) {
323                 fprintf(stderr, "Can't load %s - run testparm to debug it\n", dyn_CONFIGFILE);
324                 return (-1);
325         }
326
327         switch (profile_only) {
328                 case 'P':
329                         /* Dump profile data */
330                         return status_profile_dump(verbose);
331                 case 'R':
332                         /* Continuously display rate-converted data */
333                         return status_profile_rates(verbose);
334                 default:
335                         break;
336         }
337
338         if ( show_processes ) {
339                 tdb = tdb_open_log(lock_path("sessionid.tdb"), 0, TDB_DEFAULT, O_RDONLY, 0);
340                 if (!tdb) {
341                         d_printf("sessionid.tdb not initialised\n");
342                 } else {
343                         d_printf("\nSamba version %s\n",SAMBA_VERSION_STRING);
344                         d_printf("PID     Username      Group         Machine                        \n");
345                         d_printf("-------------------------------------------------------------------\n");
346
347                         tdb_traverse(tdb, traverse_sessionid, NULL);
348                         tdb_close(tdb);
349                 }
350
351                 if (processes_only) 
352                         exit(0);        
353         }
354   
355         if ( show_shares ) {
356                 if (verbose) {
357                         d_printf("Opened %s\n", lock_path("connections.tdb"));
358                 }
359
360                 if (brief) 
361                         exit(0);
362                 
363                 d_printf("\nService      pid     machine       Connected at\n");
364                 d_printf("-------------------------------------------------------\n");
365         
366                 connections_forall(traverse_fn1, NULL);
367
368                 d_printf("\n");
369
370                 if ( shares_only )
371                         exit(0);
372         }
373
374         if ( show_locks ) {
375                 int ret;
376
377                 if (!locking_init(1)) {
378                         d_printf("Can't initialise locking module - exiting\n");
379                         exit(1);
380                 }
381                 
382                 ret = share_mode_forall(print_share_mode, NULL);
383
384                 if (ret == 0) {
385                         d_printf("No locked files\n");
386                 } else if (ret == -1) {
387                         d_printf("locked file list truncated\n");
388                 }
389                 
390                 d_printf("\n");
391
392                 if (show_brl) {
393                         brl_forall(print_brl, NULL);
394                 }
395                 
396                 locking_end();
397         }
398
399         return (0);
400 }