summaryrefslogtreecommitdiff
path: root/source3/utils/status.c
blob: edc861d2672cbac8242edca5b91e9dfb5c2c0552 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
/* 
   Unix SMB/Netbios implementation.
   Version 1.9.
   status reporting
   Copyright (C) Andrew Tridgell 1994-1998
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

   Revision History:

   12 aug 96: Erik.Devriendt@te6.siemens.be
   added support for shared memory implementation of share mode locking

   21-Jul-1998: rsharpe@ns.aus.com (Richard Sharpe)
   Added -L (locks only) -S (shares only) flags and code

*/

/*
 * This program reports current SMB connections
 */

#define NO_SYSLOG

#include "includes.h"

struct session_record{
  pid_t pid;
  uid_t uid;
  char machine[31];
  time_t start;
  struct session_record *next;
} *srecs;

extern int DEBUGLEVEL;
extern FILE *dbf;

static pstring Ucrit_username = "";                   /* added by OH */
static pid_t	Ucrit_pid[100];  /* Ugly !!! */        /* added by OH */
static int            Ucrit_MaxPid=0;                        /* added by OH */
static unsigned int   Ucrit_IsActive = 0;                    /* added by OH */
static int verbose, brief;
static int            shares_only = 0;            /* Added by RJS */
static int            locks_only  = 0;            /* Added by RJS */
static BOOL processes_only=False;
static int show_brl;

/* we need these because we link to locking*.o */
 void become_root(BOOL save_dir) {}
 void unbecome_root(BOOL restore_dir) {}


/* added by OH */
static void Ucrit_addUsername(char *username)
{
	pstrcpy(Ucrit_username, username);
	if(strlen(Ucrit_username) > 0)
		Ucrit_IsActive = 1;
}

static unsigned int Ucrit_checkUsername(char *username)
{
	if ( !Ucrit_IsActive) return 1;
	if (strcmp(Ucrit_username,username) ==0) return 1;
	return 0;
}

static void Ucrit_addPid(pid_t pid)
{
	int i;
	if ( !Ucrit_IsActive) return;
	for (i=0;i<Ucrit_MaxPid;i++)
		if( pid == Ucrit_pid[i] ) return;
	Ucrit_pid[Ucrit_MaxPid++] = pid;
}

static unsigned int Ucrit_checkPid(pid_t pid)
{
	int i;
	if ( !Ucrit_IsActive) return 1;
	for (i=0;i<Ucrit_MaxPid;i++)
		if( pid == Ucrit_pid[i] ) return 1;
	return 0;
}


static void print_share_mode(share_mode_entry *e, char *fname)
{
	static int count;
	if (count==0) {
		printf("Locked files:\n");
		printf("Pid    DenyMode   R/W        Oplock           Name\n");
		printf("--------------------------------------------------\n");
	}
	count++;

	if (Ucrit_checkPid(e->pid)) {
          printf("%-5d  ",(int)e->pid);
	  switch (GET_DENY_MODE(e->share_mode)) {
	  case DENY_NONE: printf("DENY_NONE  "); break;
	  case DENY_ALL:  printf("DENY_ALL   "); break;
	  case DENY_DOS:  printf("DENY_DOS   "); break;
	  case DENY_READ: printf("DENY_READ  "); break;
	  case DENY_WRITE:printf("DENY_WRITE "); break;
	  case DENY_FCB:  printf("DENY_FCB "); break;
	  }
	  switch (e->share_mode&0xF) {
	  case 0: printf("RDONLY     "); break;
	  case 1: printf("WRONLY     "); break;
	  case 2: printf("RDWR       "); break;
	  }

	  if((e->op_type & 
	     (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) == 
	      (EXCLUSIVE_OPLOCK|BATCH_OPLOCK))
		printf("EXCLUSIVE+BATCH ");
	  else if (e->op_type & EXCLUSIVE_OPLOCK)
		printf("EXCLUSIVE       ");
	  else if (e->op_type & BATCH_OPLOCK)
		printf("BATCH           ");
	  else if (e->op_type & LEVEL_II_OPLOCK)
		printf("LEVEL_II        ");
	  else
		printf("NONE            ");

	  printf(" %s   %s",dos_to_unix(fname,False),
             asctime(LocalTime((time_t *)&e->time.tv_sec)));
	}
}

static void print_brl(SMB_DEV_T dev, SMB_INO_T ino, int pid, 
		      enum brl_type lock_type,
		      br_off start, br_off size)
{
	static int count;
	if (count==0) {
		printf("Byte range locks:\n");
		printf("   Pid     dev:inode  R/W      start        size\n");
		printf("------------------------------------------------\n");
	}
	count++;

	printf("%6d   %05x:%05x    %s  %9.0f   %9.0f\n", 
	       (int)pid, (int)dev, (int)ino, 
	       lock_type==READ_LOCK?"R":"W",
	       (double)start, (double)size);
}


/*******************************************************************
 dump the elements of the profile structure
  ******************************************************************/
static int profile_dump(void)
{
#ifndef WITH_PROFILE
	fprintf(stderr,"ERROR: not compiled with profile support\n");
	return -1;
#else
	if (!profile_setup(True)) {
		fprintf(stderr,"Failed to initialise profile memory\n");
		return -1;
	}

	printf("smb_count:\t%u\n", profile_p->smb_count);
	printf("uid_changes:\t%u\n", profile_p->uid_changes);
	return 0;
#endif
}


static int traverse_fn1(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void *state)
{
	static pid_t last_pid;
	struct session_record *ptr;
	struct connections_data crec;

	memcpy(&crec, dbuf.dptr, sizeof(crec));

	if (crec.cnum == -1) return 0;

	if (!process_exists(crec.pid) || !Ucrit_checkUsername(uidtoname(crec.uid))) {
		return 0;
	}

	if (brief) {
		ptr=srecs;
		while (ptr!=NULL) {
			if ((ptr->pid==crec.pid)&&(strncmp(ptr->machine,crec.machine,30)==0)) {
				if (ptr->start > crec.start)
					ptr->start=crec.start;
				break;
			}
			ptr=ptr->next;
		}
		if (ptr==NULL) {
			ptr=(struct session_record *) malloc(sizeof(struct session_record));
			ptr->uid=crec.uid;
			ptr->pid=crec.pid;
			ptr->start=crec.start;
			strncpy(ptr->machine,crec.machine,30);
			ptr->machine[30]='\0';
			ptr->next=srecs;
			srecs=ptr;
		}
	} else {
		Ucrit_addPid(crec.pid);  
		if (processes_only) {
			if (last_pid != crec.pid)
				printf("%d\n",(int)crec.pid);
			last_pid = crec.pid; /* XXXX we can still get repeats, have to
						add a sort at some time */
		} else {
			printf("%-10.10s   %-8s %-8s %5d   %-8s (%s) %s",
			       crec.name,uidtoname(crec.uid),gidtoname(crec.gid),(int)crec.pid,
			       crec.machine,crec.addr,
			       asctime(LocalTime(&crec.start)));
		}
	}

	return 0;
}




 int main(int argc, char *argv[])
{
	pstring fname;
	int c;
	static pstring servicesf = CONFIGFILE;
	extern char *optarg;
	int profile_only = 0;
	TDB_CONTEXT *tdb;
	struct session_record *ptr;

	TimeInit();
	setup_logging(argv[0],True);
	
	charset_initialise();
	
	DEBUGLEVEL = 0;
	dbf = stderr;
	
	if (getuid() != geteuid()) {
		printf("smbstatus should not be run setuid\n");
		return(1);
	}
	
	while ((c = getopt(argc, argv, "pdLSs:u:bPB")) != EOF) {
		switch (c) {
		case 'b':
			brief = 1;
			break;
		case 'B':
			show_brl = 1;
			break;
		case 'd':
			verbose = 1;
			break;
		case 'L':
			locks_only = 1;
			break;
		case 'p':
			processes_only = 1;
			break;
		case 'P':
			profile_only = 1;
			break;
		case 'S':
			shares_only = 1;
			break;
		case 's':
			pstrcpy(servicesf, optarg);
			break;
		case 'u':                                      
			Ucrit_addUsername(optarg);             
			break;
		default:
			fprintf(stderr, "Usage: %s [-P] [-d] [-L] [-p] [-S] [-s configfile] [-u username]\n", *argv);
			return (-1);
		}
	}
	
	if (!lp_load(servicesf,False,False,False)) {
		fprintf(stderr, "Can't load %s - run testparm to debug it\n", servicesf);
		return (-1);
	}
	
	if (verbose) {
		printf("using configfile = %s\n", servicesf);
	}
	
	if (profile_only) {
		return profile_dump();
	}
	
	tdb = tdb_open(lock_path("connections.tdb"), 0, 0, O_RDONLY, 0);
	if (!tdb) {
		printf("connections.tdb not initialised\n");
		if (!lp_status(-1))
			printf("You need to have status=yes in your smb config file\n");
		return(0);
	}  else if (verbose) {
		printf("Opened status file %s\n", fname);
	}

	if (locks_only) goto locks;

	printf("\nSamba version %s\n",VERSION);
	if (brief) {
		printf("PID     Username  Machine                       Time logged in\n");
		printf("-------------------------------------------------------------------\n");
	} else {
		printf("Service      uid      gid      pid     machine\n");
		printf("----------------------------------------------\n");
	}
	tdb_traverse(tdb, traverse_fn1, NULL);

 locks:
	if (processes_only) exit(0);
  
	if (brief)  {
		ptr=srecs;
		while (ptr!=NULL) {
			printf("%-8d%-10.10s%-30.30s%s",
			       (int)ptr->pid,uidtoname(ptr->uid),
			       ptr->machine,
			       asctime(LocalTime(&(ptr->start))));
			ptr=ptr->next;
		}
		printf("\n");
		exit(0);
	}

	printf("\n");

	if (!shares_only) {
		int ret;

		if (!locking_init(1)) {
			printf("Can't initialise locking module - exiting\n");
			exit(1);
		}
		
		ret = share_mode_forall(print_share_mode);

		if (ret == 0) {
			printf("No locked files\n");
		} else if (ret == -1) {
			printf("locked file list truncated\n");
		}
		
		printf("\n");

		if (show_brl) {
			brl_forall(print_brl);
		}
		
		locking_end();
	}

	return (0);
}