source: vendor/3.6.23/source3/web/statuspage.c

Last change on this file was 740, checked in by Silvan Scherrer, 13 years ago

Samba Server: update vendor to 3.6.0
File size: 13.1 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 web status page
4 Copyright (C) Andrew Tridgell 1997-1998
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
20#include "includes.h"
21#include "web/swat_proto.h"
22#include "libcli/security/security.h"
23#include "locking/proto.h"
24
25#define _(x) lang_msg_rotate(talloc_tos(),x)
26
27#define PIDMAP struct PidMap
28
29/* how long to wait for start/stops to take effect */
30#define SLEEP_TIME 3
31
32PIDMAP {
33 PIDMAP *next, *prev;
34 struct server_id pid;
35 char *machine;
36};
37
38static PIDMAP *pidmap;
39static int PID_or_Machine; /* 0 = show PID, else show Machine name */
40
41static struct server_id smbd_pid;
42
43/* from 2nd call on, remove old list */
44static void initPid2Machine (void)
45{
46 /* show machine name rather PID on table "Open Files"? */
47 if (PID_or_Machine) {
48 PIDMAP *p, *next;
49
50 for (p = pidmap; p != NULL; p = next) {
51 next = p->next;
52 DLIST_REMOVE(pidmap, p);
53 SAFE_FREE(p->machine);
54 SAFE_FREE(p);
55 }
56
57 pidmap = NULL;
58 }
59}
60
61/* add new PID <-> Machine name mapping */
62static void addPid2Machine (struct server_id pid, const char *machine)
63{
64 /* show machine name rather PID on table "Open Files"? */
65 if (PID_or_Machine) {
66 PIDMAP *newmap;
67
68 if ((newmap = SMB_MALLOC_P(PIDMAP)) == NULL) {
69 /* XXX need error message for this?
70 if malloc fails, PID is always shown */
71 return;
72 }
73
74 newmap->pid = pid;
75 newmap->machine = SMB_STRDUP(machine);
76
77 DLIST_ADD(pidmap, newmap);
78 }
79}
80
81/* lookup PID <-> Machine name mapping */
82static char *mapPid2Machine (struct server_id pid)
83{
84 static char pidbuf [64];
85 PIDMAP *map;
86
87 /* show machine name rather PID on table "Open Files"? */
88 if (PID_or_Machine) {
89 for (map = pidmap; map != NULL; map = map->next) {
90 if (procid_equal(&pid, &map->pid)) {
91 if (map->machine == NULL) /* no machine name */
92 break; /* show PID */
93
94 return map->machine;
95 }
96 }
97 }
98
99 /* PID not in list or machine name NULL? return pid as string */
100 snprintf (pidbuf, sizeof (pidbuf) - 1, "%s",
101 procid_str_static(&pid));
102 return pidbuf;
103}
104
105static const char *tstring(TALLOC_CTX *ctx, time_t t)
106{
107 char *buf;
108 buf = talloc_strdup(ctx, time_to_asc(t));
109 if (!buf) {
110 return "";
111 }
112 buf = talloc_all_string_sub(ctx,
113 buf,
114 " ",
115 "&nbsp;");
116 if (!buf) {
117 return "";
118 }
119 return buf;
120}
121
122static void print_share_mode(const struct share_mode_entry *e,
123 const char *sharepath,
124 const char *fname,
125 void *dummy)
126{
127 char *utf8_fname;
128 char *utf8_sharepath;
129 int deny_mode;
130 size_t converted_size;
131
132 if (!is_valid_share_mode_entry(e)) {
133 return;
134 }
135
136 deny_mode = map_share_mode_to_deny_mode(e->share_access,
137 e->private_options);
138
139 printf("<tr><td>%s</td>",_(mapPid2Machine(e->pid)));
140 printf("<td>%u</td>",(unsigned int)e->uid);
141 printf("<td>");
142 switch ((deny_mode>>4)&0xF) {
143 case DENY_NONE: printf("DENY_NONE"); break;
144 case DENY_ALL: printf("DENY_ALL "); break;
145 case DENY_DOS: printf("DENY_DOS "); break;
146 case DENY_FCB: printf("DENY_FCB "); break;
147 case DENY_READ: printf("DENY_READ "); break;
148 case DENY_WRITE:printf("DENY_WRITE "); break;
149 }
150 printf("</td>");
151
152 printf("<td>");
153 if (e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA)) {
154 printf("%s", _("RDWR "));
155 } else if (e->access_mask & FILE_WRITE_DATA) {
156 printf("%s", _("WRONLY "));
157 } else {
158 printf("%s", _("RDONLY "));
159 }
160 printf("</td>");
161
162 printf("<td>");
163 if((e->op_type &
164 (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
165 (EXCLUSIVE_OPLOCK|BATCH_OPLOCK))
166 printf("EXCLUSIVE+BATCH ");
167 else if (e->op_type & EXCLUSIVE_OPLOCK)
168 printf("EXCLUSIVE ");
169 else if (e->op_type & BATCH_OPLOCK)
170 printf("BATCH ");
171 else if (e->op_type & LEVEL_II_OPLOCK)
172 printf("LEVEL_II ");
173 else
174 printf("NONE ");
175 printf("</td>");
176
177 push_utf8_talloc(talloc_tos(), &utf8_fname, fname, &converted_size);
178 push_utf8_talloc(talloc_tos(), &utf8_sharepath, sharepath,
179 &converted_size);
180 printf("<td>%s</td><td>%s</td><td>%s</td></tr>\n",
181 utf8_sharepath,utf8_fname,tstring(talloc_tos(),e->time.tv_sec));
182 TALLOC_FREE(utf8_fname);
183}
184
185
186/* kill off any connections chosen by the user */
187static int traverse_fn1(const struct connections_key *key,
188 const struct connections_data *crec,
189 void *private_data)
190{
191 if (crec->cnum == -1 && process_exists(crec->pid)) {
192 char buf[30];
193 slprintf(buf,sizeof(buf)-1,"kill_%s", procid_str_static(&crec->pid));
194 if (cgi_variable(buf)) {
195 kill_pid(crec->pid);
196 sleep(SLEEP_TIME);
197 }
198 }
199 return 0;
200}
201
202/* traversal fn for showing machine connections */
203static int traverse_fn2(const struct connections_key *key,
204 const struct connections_data *crec,
205 void *private_data)
206{
207 if (crec->cnum == -1 || !process_exists(crec->pid) ||
208 procid_equal(&crec->pid, &smbd_pid))
209 return 0;
210
211 addPid2Machine (crec->pid, crec->machine);
212
213 printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td>\n",
214 procid_str_static(&crec->pid),
215 crec->machine, crec->addr,
216 tstring(talloc_tos(),crec->start));
217 if (geteuid() == 0) {
218 printf("<td><input type=submit value=\"X\" name=\"kill_%s\"></td>\n",
219 procid_str_static(&crec->pid));
220 }
221 printf("</tr>\n");
222
223 return 0;
224}
225
226/* traversal fn for showing share connections */
227static int traverse_fn3(const struct connections_key *key,
228 const struct connections_data *crec,
229 void *private_data)
230{
231 if (crec->cnum == -1 || !process_exists(crec->pid))
232 return 0;
233
234 printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr>\n",
235 crec->servicename, uidtoname(crec->uid),
236 gidtoname(crec->gid),procid_str_static(&crec->pid),
237 crec->machine,
238 tstring(talloc_tos(),crec->start));
239 return 0;
240}
241
242
243/* show the current server status */
244void status_page(void)
245{
246 const char *v;
247 int autorefresh=0;
248 int refresh_interval=30;
249 int nr_running=0;
250 bool waitup = False;
251 TALLOC_CTX *ctx = talloc_stackframe();
252 const char form_name[] = "status";
253
254 smbd_pid = pid_to_procid(pidfile_pid("smbd"));
255
256 if (!verify_xsrf_token(form_name)) {
257 goto output_page;
258 }
259
260 if (cgi_variable("smbd_restart") || cgi_variable("all_restart")) {
261 stop_smbd();
262 start_smbd();
263 waitup=True;
264 }
265
266 if (cgi_variable("smbd_start") || cgi_variable("all_start")) {
267 start_smbd();
268 waitup=True;
269 }
270
271 if (cgi_variable("smbd_stop") || cgi_variable("all_stop")) {
272 stop_smbd();
273 waitup=True;
274 }
275
276 if (cgi_variable("nmbd_restart") || cgi_variable("all_restart")) {
277 stop_nmbd();
278 start_nmbd();
279 waitup=True;
280 }
281 if (cgi_variable("nmbd_start") || cgi_variable("all_start")) {
282 start_nmbd();
283 waitup=True;
284 }
285
286 if (cgi_variable("nmbd_stop")|| cgi_variable("all_stop")) {
287 stop_nmbd();
288 waitup=True;
289 }
290
291#ifdef WITH_WINBIND
292 if (cgi_variable("winbindd_restart") || cgi_variable("all_restart")) {
293 stop_winbindd();
294 start_winbindd();
295 waitup=True;
296 }
297
298 if (cgi_variable("winbindd_start") || cgi_variable("all_start")) {
299 start_winbindd();
300 waitup=True;
301 }
302
303 if (cgi_variable("winbindd_stop") || cgi_variable("all_stop")) {
304 stop_winbindd();
305 waitup=True;
306 }
307#endif
308 /* wait for daemons to start/stop */
309 if (waitup)
310 sleep(SLEEP_TIME);
311
312 if (cgi_variable("autorefresh")) {
313 autorefresh = 1;
314 } else if (cgi_variable("norefresh")) {
315 autorefresh = 0;
316 } else if (cgi_variable("refresh")) {
317 autorefresh = 1;
318 }
319
320 if ((v=cgi_variable("refresh_interval"))) {
321 refresh_interval = atoi(v);
322 }
323
324 if (cgi_variable("show_client_in_col_1")) {
325 PID_or_Machine = 1;
326 }
327
328 if (cgi_variable("show_pid_in_col_1")) {
329 PID_or_Machine = 0;
330 }
331
332 connections_forall_read(traverse_fn1, NULL);
333
334 initPid2Machine ();
335
336output_page:
337 printf("<H2>%s</H2>\n", _("Server Status"));
338
339 printf("<FORM method=post>\n");
340 print_xsrf_token(cgi_user_name(), cgi_user_pass(), form_name);
341
342 if (!autorefresh) {
343 printf("<input type=submit value=\"%s\" name=\"autorefresh\">\n", _("Auto Refresh"));
344 printf("<br>%s", _("Refresh Interval: "));
345 printf("<input type=text size=2 name=\"refresh_interval\" value=\"%d\">\n",
346 refresh_interval);
347 } else {
348 printf("<input type=submit value=\"%s\" name=\"norefresh\">\n", _("Stop Refreshing"));
349 printf("<br>%s%d\n", _("Refresh Interval: "), refresh_interval);
350 printf("<input type=hidden name=\"refresh\" value=\"1\">\n");
351 }
352
353 printf("<p>\n");
354
355 printf("<table>\n");
356
357 printf("<tr><td>%s</td><td>%s</td></tr>", _("version:"), samba_version_string());
358
359 fflush(stdout);
360 printf("<tr><td>%s</td><td>%s</td>\n", _("smbd:"), smbd_running()?_("running"):_("not running"));
361 if (geteuid() == 0) {
362 if (smbd_running()) {
363 nr_running++;
364 printf("<td><input type=submit name=\"smbd_stop\" value=\"%s\"></td>\n", _("Stop smbd"));
365 } else {
366 printf("<td><input type=submit name=\"smbd_start\" value=\"%s\"></td>\n", _("Start smbd"));
367 }
368 printf("<td><input type=submit name=\"smbd_restart\" value=\"%s\"></td>\n", _("Restart smbd"));
369 }
370 printf("</tr>\n");
371
372 fflush(stdout);
373 printf("<tr><td>%s</td><td>%s</td>\n", _("nmbd:"), nmbd_running()?_("running"):_("not running"));
374 if (geteuid() == 0) {
375 if (nmbd_running()) {
376 nr_running++;
377 printf("<td><input type=submit name=\"nmbd_stop\" value=\"%s\"></td>\n", _("Stop nmbd"));
378 } else {
379 printf("<td><input type=submit name=\"nmbd_start\" value=\"%s\"></td>\n", _("Start nmbd"));
380 }
381 printf("<td><input type=submit name=\"nmbd_restart\" value=\"%s\"></td>\n", _("Restart nmbd"));
382 }
383 printf("</tr>\n");
384
385#ifdef WITH_WINBIND
386 fflush(stdout);
387 printf("<tr><td>%s</td><td>%s</td>\n", _("winbindd:"), winbindd_running()?_("running"):_("not running"));
388 if (geteuid() == 0) {
389 if (winbindd_running()) {
390 nr_running++;
391 printf("<td><input type=submit name=\"winbindd_stop\" value=\"%s\"></td>\n", _("Stop winbindd"));
392 } else {
393 printf("<td><input type=submit name=\"winbindd_start\" value=\"%s\"></td>\n", _("Start winbindd"));
394 }
395 printf("<td><input type=submit name=\"winbindd_restart\" value=\"%s\"></td>\n", _("Restart winbindd"));
396 }
397 printf("</tr>\n");
398#endif
399
400 if (geteuid() == 0) {
401 printf("<tr><td></td><td></td>\n");
402 if (nr_running >= 1) {
403 /* stop, restart all */
404 printf("<td><input type=submit name=\"all_stop\" value=\"%s\"></td>\n", _("Stop All"));
405 printf("<td><input type=submit name=\"all_restart\" value=\"%s\"></td>\n", _("Restart All"));
406 }
407 else if (nr_running == 0) {
408 /* start all */
409 printf("<td><input type=submit name=\"all_start\" value=\"%s\"></td>\n", _("Start All"));
410 }
411 printf("</tr>\n");
412 }
413 printf("</table>\n");
414 fflush(stdout);
415
416 printf("<p><h3>%s</h3>\n", _("Active Connections"));
417 printf("<table border=1>\n");
418 printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th>\n", _("PID"), _("Client"), _("IP address"), _("Date"));
419 if (geteuid() == 0) {
420 printf("<th>%s</th>\n", _("Kill"));
421 }
422 printf("</tr>\n");
423
424 connections_forall_read(traverse_fn2, NULL);
425
426 printf("</table><p>\n");
427
428 printf("<p><h3>%s</h3>\n", _("Active Shares"));
429 printf("<table border=1>\n");
430 printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th></tr>\n\n",
431 _("Share"), _("User"), _("Group"), _("PID"), _("Client"), _("Date"));
432
433 connections_forall_read(traverse_fn3, NULL);
434
435 printf("</table><p>\n");
436
437 printf("<h3>%s</h3>\n", _("Open Files"));
438 printf("<table border=1>\n");
439 printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th></tr>\n",
440 _("PID"), _("UID"), _("Sharing"), _("R/W"), _("Oplock"), _("Share"), _("File"), _("Date"));
441
442 locking_init_readonly();
443 share_mode_forall(print_share_mode, NULL);
444 locking_end();
445 printf("</table>\n");
446
447 printf("<br><input type=submit name=\"show_client_in_col_1\" value=\"%s\">\n", _("Show Client in col 1"));
448 printf("<input type=submit name=\"show_pid_in_col_1\" value=\"%s\">\n", _("Show PID in col 1"));
449
450 printf("</FORM>\n");
451
452 if (autorefresh) {
453 /* this little JavaScript allows for automatic refresh
454 of the page. There are other methods but this seems
455 to be the best alternative */
456 printf("<script language=\"JavaScript\">\n");
457 printf("<!--\nsetTimeout('window.location.replace(\"%s/status?refresh_interval=%d&refresh=1\")', %d)\n",
458 cgi_baseurl(),
459 refresh_interval,
460 refresh_interval*1000);
461 printf("//-->\n</script>\n");
462 }
463 TALLOC_FREE(ctx);
464}
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