summaryrefslogtreecommitdiffstats
path: root/source/web/statuspage.c
blob: 57b5d0f7b73ffd1d414a3b54a7071ab69c7cbf0a (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
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
/* 
   Unix SMB/CIFS implementation.
   web status page
   Copyright (C) Andrew Tridgell 1997-1998
   
   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.
*/

#include "includes.h"
#include "web/swat_proto.h"

#define PIDMAP		struct PidMap

/* how long to wait for start/stops to take effect */
#define SLEEP_TIME 3

PIDMAP {
	PIDMAP	*next, *prev;
	pid_t	pid;
	char	*machine;
};

static PIDMAP	*pidmap;
static int	PID_or_Machine;		/* 0 = show PID, else show Machine name */

static pid_t smbd_pid;

/* from 2nd call on, remove old list */
static void initPid2Machine (void)
{
	/* show machine name rather PID on table "Open Files"? */
	if (PID_or_Machine) {
		PIDMAP *p;

		for (p = pidmap; p != NULL; ) {
			DLIST_REMOVE(pidmap, p);
			SAFE_FREE(p->machine);
			SAFE_FREE(p);
		}

		pidmap = NULL;
	}
}

/* add new PID <-> Machine name mapping */
static void addPid2Machine (pid_t pid, char *machine)
{
	/* show machine name rather PID on table "Open Files"? */
	if (PID_or_Machine) {
		PIDMAP *newmap;

		if ((newmap = SMB_MALLOC_P(PIDMAP)) == NULL) {
			/* XXX need error message for this?
			   if malloc fails, PID is always shown */
			return;
		}

		newmap->pid = pid;
		newmap->machine = SMB_STRDUP(machine);

		DLIST_ADD(pidmap, newmap);
	}
}

/* lookup PID <-> Machine name mapping */
static char *mapPid2Machine (pid_t pid)
{
	static char pidbuf [64];
	PIDMAP *map;

	/* show machine name rather PID on table "Open Files"? */
	if (PID_or_Machine) {
		for (map = pidmap; map != NULL; map = map->next) {
			if (pid == map->pid) {
				if (map->machine == NULL)	/* no machine name */
					break;			/* show PID */

				return map->machine;
			}
		}
	}

	/* PID not in list or machine name NULL? return pid as string */
	snprintf (pidbuf, sizeof (pidbuf) - 1, "%lu", (unsigned long)pid);
	return pidbuf;
}

static char *tstring(time_t t)
{
	static pstring buf;
	pstrcpy(buf, asctime(LocalTime(&t)));
	all_string_sub(buf," ","&nbsp;",sizeof(buf));
	return buf;
}

static void print_share_mode(share_mode_entry *e, char *fname)
{
	char           *utf8_fname;

	printf("<tr><td>%s</td>",_(mapPid2Machine(e->pid)));
	printf("<td>");
	switch ((e->share_mode>>4)&0xF) {
	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;
	}
	printf("</td>");

	printf("<td>");
	switch (e->share_mode&0xF) {
	case 0: printf("%s", _("RDONLY     ")); break;
	case 1: printf("%s", _("WRONLY     ")); break;
	case 2: printf("%s", _("RDWR       ")); break;
	}
	printf("</td>");

	printf("<td>");
	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("</td>");

	push_utf8_allocate(&utf8_fname, fname);
	printf("<td>%s</td><td>%s</td></tr>\n",
	       utf8_fname,tstring(e->time.tv_sec));
	SAFE_FREE(utf8_fname);
}


/* kill off any connections chosen by the user */
static int traverse_fn1(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
{
	struct connections_data crec;

	if (dbuf.dsize != sizeof(crec))
		return 0;

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

	if (crec.cnum == -1 && process_exists(crec.pid)) {
		char buf[30];
		slprintf(buf,sizeof(buf)-1,"kill_%d", (int)crec.pid);
		if (cgi_variable(buf)) {
			kill_pid(crec.pid);
			sleep(SLEEP_TIME);
		}
	}
	return 0;
}

/* traversal fn for showing machine connections */
static int traverse_fn2(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
{
	struct connections_data crec;

	if (dbuf.dsize != sizeof(crec))
		return 0;

	memcpy(&crec, dbuf.dptr, sizeof(crec));
	
	if (crec.cnum == -1 || !process_exists(crec.pid) || (crec.pid == smbd_pid))
		return 0;

	addPid2Machine (crec.pid, crec.machine);

	printf("<tr><td>%d</td><td>%s</td><td>%s</td><td>%s</td>\n",
	       (int)crec.pid,
	       crec.machine,crec.addr,
	       tstring(crec.start));
	if (geteuid() == 0) {
		printf("<td><input type=submit value=\"X\" name=\"kill_%d\"></td>\n",
		       (int)crec.pid);
	}
	printf("</tr>\n");

	return 0;
}

/* traversal fn for showing share connections */
static int traverse_fn3(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
{
	struct connections_data crec;

	if (dbuf.dsize != sizeof(crec))
		return 0;

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

	if (crec.cnum == -1 || !process_exists(crec.pid))
		return 0;

	printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%d</td><td>%s</td><td>%s</td></tr>\n",
	       crec.name,uidtoname(crec.uid),
	       gidtoname(crec.gid),(int)crec.pid,
	       crec.machine,
	       tstring(crec.start));
	return 0;
}


/* show the current server status */
void status_page(void)
{
	const char *v;
	int autorefresh=0;
	int refresh_interval=30;
	TDB_CONTEXT *tdb;
	int nr_running=0;
	BOOL waitup = False;

	smbd_pid = pidfile_pid("smbd");

	if (cgi_variable("smbd_restart") || cgi_variable("all_restart")) {
		stop_smbd();
		start_smbd();
		waitup=True;
	}

	if (cgi_variable("smbd_start") || cgi_variable("all_start")) {
		start_smbd();
		waitup=True;
	}

	if (cgi_variable("smbd_stop") || cgi_variable("all_stop")) {
		stop_smbd();
		waitup=True;
	}

	if (cgi_variable("nmbd_restart") || cgi_variable("all_restart")) {
		stop_nmbd();
		start_nmbd();
		waitup=True;
	}
	if (cgi_variable("nmbd_start") || cgi_variable("all_start")) {
		start_nmbd();
		waitup=True;
	}

	if (cgi_variable("nmbd_stop")|| cgi_variable("all_stop")) {
		stop_nmbd();
		waitup=True;
	}

#ifdef WITH_WINBIND
	if (cgi_variable("winbindd_restart") || cgi_variable("all_restart")) {
		stop_winbindd();
		start_winbindd();
		waitup=True;
	}

	if (cgi_variable("winbindd_start") || cgi_variable("all_start")) {
		start_winbindd();
		waitup=True;
	}

	if (cgi_variable("winbindd_stop") || cgi_variable("all_stop")) {
		stop_winbindd();
		waitup=True;
	}
#endif
	/* wait for daemons to start/stop */
	if (waitup)
		sleep(SLEEP_TIME);
	
	if (cgi_variable("autorefresh")) {
		autorefresh = 1;
	} else if (cgi_variable("norefresh")) {
		autorefresh = 0;
	} else if (cgi_variable("refresh")) {
		autorefresh = 1;
	}

	if ((v=cgi_variable("refresh_interval"))) {
		refresh_interval = atoi(v);
	}

	if (cgi_variable("show_client_in_col_1")) {
		PID_or_Machine = 1;
	}

	if (cgi_variable("show_pid_in_col_1")) {
		PID_or_Machine = 0;
	}

	tdb = tdb_open_log(lock_path("connections.tdb"), 0, TDB_DEFAULT, O_RDONLY, 0);
	if (tdb) tdb_traverse(tdb, traverse_fn1, NULL);
 
	initPid2Machine ();

	printf("<H2>%s</H2>\n", _("Server Status"));

	printf("<FORM method=post>\n");

	if (!autorefresh) {
		printf("<input type=submit value=\"%s\" name=\"autorefresh\">\n", _("Auto Refresh"));
		printf("<br>%s", _("Refresh Interval: "));
		printf("<input type=text size=2 name=\"refresh_interval\" value=\"%d\">\n", 
		       refresh_interval);
	} else {
		printf("<input type=submit value=\"%s\" name=\"norefresh\">\n", _("Stop Refreshing"));
		printf("<br>%s%d\n", _("Refresh Interval: "), refresh_interval);
		printf("<input type=hidden name=\"refresh\" value=\"1\">\n");
	}

	printf("<p>\n");

	if (!tdb) {
		/* open failure either means no connections have been
                   made */
	}


	printf("<table>\n");

	printf("<tr><td>%s</td><td>%s</td></tr>", _("version:"), SAMBA_VERSION_STRING);

	fflush(stdout);
	printf("<tr><td>%s</td><td>%s</td>\n", _("smbd:"), smbd_running()?_("running"):_("not running"));
	if (geteuid() == 0) {
	    if (smbd_running()) {
		nr_running++;
		printf("<td><input type=submit name=\"smbd_stop\" value=\"%s\"></td>\n", _("Stop smbd"));
	    } else {
		printf("<td><input type=submit name=\"smbd_start\" value=\"%s\"></td>\n", _("Start smbd"));
	    }
	    printf("<td><input type=submit name=\"smbd_restart\" value=\"%s\"></td>\n", _("Restart smbd"));
	}
	printf("</tr>\n");

	fflush(stdout);
	printf("<tr><td>%s</td><td>%s</td>\n", _("nmbd:"), nmbd_running()?_("running"):_("not running"));
	if (geteuid() == 0) {
	    if (nmbd_running()) {
		nr_running++;
		printf("<td><input type=submit name=\"nmbd_stop\" value=\"%s\"></td>\n", _("Stop nmbd"));
	    } else {
		printf("<td><input type=submit name=\"nmbd_start\" value=\"%s\"></td>\n", _("Start nmbd"));
	    }
	    printf("<td><input type=submit name=\"nmbd_restart\" value=\"%s\"></td>\n", _("Restart nmbd"));    
	}
	printf("</tr>\n");

#ifdef WITH_WINBIND
	fflush(stdout);
	printf("<tr><td>%s</td><td>%s</td>\n", _("winbindd:"), winbindd_running()?_("running"):_("not running"));
	if (geteuid() == 0) {
	    if (winbindd_running()) {
		nr_running++;
		printf("<td><input type=submit name=\"winbindd_stop\" value=\"%s\"></td>\n", _("Stop winbindd"));
	    } else {
		printf("<td><input type=submit name=\"winbindd_start\" value=\"%s\"></td>\n", _("Start winbindd"));
	    }
	    printf("<td><input type=submit name=\"winbindd_restart\" value=\"%s\"></td>\n", _("Restart winbindd"));
	}
	printf("</tr>\n");
#endif

	if (geteuid() == 0) {
	    printf("<tr><td></td><td></td>\n");
	    if (nr_running >= 1) {
	        /* stop, restart all */
		printf("<td><input type=submit name=\"all_stop\" value=\"%s\"></td>\n", _("Stop All"));
		printf("<td><input type=submit name=\"all_restart\" value=\"%s\"></td>\n", _("Restart All"));
	    }
	    else if (nr_running == 0) {
	    	/* start all */
		printf("<td><input type=submit name=\"all_start\" value=\"%s\"></td>\n", _("Start All"));
	    }
	    printf("</tr>\n");
	}
	printf("</table>\n");
	fflush(stdout);

	printf("<p><h3>%s</h3>\n", _("Active Connections"));
	printf("<table border=1>\n");
	printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th>\n", _("PID"), _("Client"), _("IP address"), _("Date"));
	if (geteuid() == 0) {
		printf("<th>%s</th>\n", _("Kill"));
	}
	printf("</tr>\n");

	if (tdb) tdb_traverse(tdb, traverse_fn2, NULL);

	printf("</table><p>\n");

	printf("<p><h3>%s</h3>\n", _("Active Shares"));
	printf("<table border=1>\n");
	printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th></tr>\n\n",
		_("Share"), _("User"), _("Group"), _("PID"), _("Client"), _("Date"));

	if (tdb) tdb_traverse(tdb, traverse_fn3, NULL);

	printf("</table><p>\n");

	printf("<h3>%s</h3>\n", _("Open Files"));
	printf("<table border=1>\n");
	printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th></tr>\n", _("PID"), _("Sharing"), _("R/W"), _("Oplock"), _("File"), _("Date"));

	locking_init(1);
	share_mode_forall(print_share_mode);
	locking_end();
	printf("</table>\n");

	if (tdb) tdb_close(tdb);

	printf("<br><input type=submit name=\"show_client_in_col_1\" value=\"%s\">\n", _("Show Client in col 1"));
	printf("<input type=submit name=\"show_pid_in_col_1\" value=\"%s\">\n", _("Show PID in col 1"));

	printf("</FORM>\n");

	if (autorefresh) {
		/* this little JavaScript allows for automatic refresh
                   of the page. There are other methods but this seems
                   to be the best alternative */
		printf("<script language=\"JavaScript\">\n");
		printf("<!--\nsetTimeout('window.location.replace(\"%s/status?refresh_interval=%d&refresh=1\")', %d)\n", 
		       cgi_baseurl(),
		       refresh_interval,
		       refresh_interval*1000);
		printf("//-->\n</script>\n");
	}
}