source3/web/statuspage.c

   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 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
  21 #include "includes.h"
  22 #include "web/swat_proto.h"
  23
  24 #define PIDMAP          struct PidMap
  25
  26 /* how long to wait for start/stops to take effect */
  27 #define SLEEP_TIME 3
  28
  29 PIDMAP {
  30         PIDMAP  *next, *prev;
  31         struct process_id pid;
  32         char    *machine;
  33 };
  34
  35 static PIDMAP   *pidmap;
  36 static int      PID_or_Machine;         /* 0 = show PID, else show Machine name */
  37
  38 static struct process_id smbd_pid;
  39
  40 /* from 2nd call on, remove old list */
  41 static void initPid2Machine (void)
  42 {
  43         /* show machine name rather PID on table "Open Files"? */
  44         if (PID_or_Machine) {
  45                 PIDMAP *p;
  46
  47                 for (p = pidmap; p != NULL; ) {
  48                         DLIST_REMOVE(pidmap, p);
  49                         SAFE_FREE(p->machine);
  50                         SAFE_FREE(p);
  51                 }
  52
  53                 pidmap = NULL;
  54         }
  55 }
  56
  57 /* add new PID <-> Machine name mapping */
  58 static void addPid2Machine (struct process_id pid, char *machine)
  59 {
  60         /* show machine name rather PID on table "Open Files"? */
  61         if (PID_or_Machine) {
  62                 PIDMAP *newmap;
  63
  64                 if ((newmap = SMB_MALLOC_P(PIDMAP)) == NULL) {
  65                         /* XXX need error message for this?
  66                            if malloc fails, PID is always shown */
  67                         return;
  68                 }
  69
  70                 newmap->pid = pid;
  71                 newmap->machine = SMB_STRDUP(machine);
  72
  73                 DLIST_ADD(pidmap, newmap);
  74         }
  75 }
  76
  77 /* lookup PID <-> Machine name mapping */
  78 static char *mapPid2Machine (struct process_id pid)
  79 {
  80         static char pidbuf [64];
  81         PIDMAP *map;
  82
  83         /* show machine name rather PID on table "Open Files"? */
  84         if (PID_or_Machine) {
  85                 for (map = pidmap; map != NULL; map = map->next) {
  86                         if (procid_equal(&pid, &map->pid)) {
  87                                 if (map->machine == NULL)       /* no machine name */
  88                                         break;                  /* show PID */
  89
  90                                 return map->machine;
  91                         }
  92                 }
  93         }
  94
  95         /* PID not in list or machine name NULL? return pid as string */
  96         snprintf (pidbuf, sizeof (pidbuf) - 1, "%s",
  97                   procid_str_static(&pid));
  98         return pidbuf;
  99 }
 100
 101 static char *tstring(time_t t)
 102 {
 103         static pstring buf;
 104         pstrcpy(buf, asctime(localtime(&t)));
 105         all_string_sub(buf," ","&nbsp;",sizeof(buf));
 106         return buf;
 107 }
 108
 109 static void print_share_mode(const struct share_mode_entry *e, char *fname)
 110 {
 111         char           *utf8_fname;
 112         int deny_mode = map_share_mode_to_deny_mode(e->share_access,
 113                                                     e->private_options);
 114
 115         printf("<tr><td>%s</td>",_(mapPid2Machine(e->pid)));
 116         printf("<td>");
 117         switch ((deny_mode>>4)&0xF) {
 118         case DENY_NONE: printf("DENY_NONE"); break;
 119         case DENY_ALL:  printf("DENY_ALL   "); break;
 120         case DENY_DOS:  printf("DENY_DOS   "); break;
 121         case DENY_FCB:  printf("DENY_FCB   "); break;
 122         case DENY_READ: printf("DENY_READ  "); break;
 123         case DENY_WRITE:printf("DENY_WRITE "); break;
 124         }
 125         printf("</td>");
 126
 127         printf("<td>");
 128         if (e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA)) {
 129                 printf("%s", _("RDWR       "));
 130         } else if (e->access_mask & FILE_WRITE_DATA) {
 131                 printf("%s", _("WRONLY     "));
 132         } else {
 133                 printf("%s", _("RDONLY     "));
 134         }
 135         printf("</td>");
 136
 137         printf("<td>");
 138         if((e->op_type &
 139             (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
 140            (EXCLUSIVE_OPLOCK|BATCH_OPLOCK))
 141                 printf("EXCLUSIVE+BATCH ");
 142         else if (e->op_type & EXCLUSIVE_OPLOCK)
 143                 printf("EXCLUSIVE       ");
 144         else if (e->op_type & BATCH_OPLOCK)
 145                 printf("BATCH           ");
 146         else if (e->op_type & LEVEL_II_OPLOCK)
 147                 printf("LEVEL_II        ");
 148         else
 149                 printf("NONE            ");
 150         printf("</td>");
 151
 152         push_utf8_allocate(&utf8_fname, fname);
 153         printf("<td>%s</td><td>%s</td></tr>\n",
 154                utf8_fname,tstring(e->time.tv_sec));
 155         SAFE_FREE(utf8_fname);
 156 }
 157
 158
 159 /* kill off any connections chosen by the user */
 160 static int traverse_fn1(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
 161 {
 162         struct connections_data crec;
 163
 164         if (dbuf.dsize != sizeof(crec))
 165                 return 0;
 166
 167         memcpy(&crec, dbuf.dptr, sizeof(crec));
 168
 169         if (crec.cnum == -1 && process_exists(crec.pid)) {
 170                 char buf[30];
 171                 slprintf(buf,sizeof(buf)-1,"kill_%s", procid_str_static(&crec.pid));
 172                 if (cgi_variable(buf)) {
 173                         kill_pid(crec.pid);
 174                         sleep(SLEEP_TIME);
 175                 }
 176         }
 177         return 0;
 178 }
 179
 180 /* traversal fn for showing machine connections */
 181 static int traverse_fn2(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
 182 {
 183         struct connections_data crec;
 184
 185         if (dbuf.dsize != sizeof(crec))
 186                 return 0;
 187
 188         memcpy(&crec, dbuf.dptr, sizeof(crec));
 189
 190         if (crec.cnum == -1 || !process_exists(crec.pid) ||
 191             procid_equal(&crec.pid, &smbd_pid))
 192                 return 0;
 193
 194         addPid2Machine (crec.pid, crec.machine);
 195
 196         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td>\n",
 197                procid_str_static(&crec.pid),
 198                crec.machine,crec.addr,
 199                tstring(crec.start));
 200         if (geteuid() == 0) {
 201                 printf("<td><input type=submit value=\"X\" name=\"kill_%s\"></td>\n",
 202                        procid_str_static(&crec.pid));
 203         }
 204         printf("</tr>\n");
 205
 206         return 0;
 207 }
 208
 209 /* traversal fn for showing share connections */
 210 static int traverse_fn3(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
 211 {
 212         struct connections_data crec;
 213
 214         if (dbuf.dsize != sizeof(crec))
 215                 return 0;
 216
 217         memcpy(&crec, dbuf.dptr, sizeof(crec));
 218
 219         if (crec.cnum == -1 || !process_exists(crec.pid))
 220                 return 0;
 221
 222         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr>\n",
 223                crec.name,uidtoname(crec.uid),
 224                gidtoname(crec.gid),procid_str_static(&crec.pid),
 225                crec.machine,
 226                tstring(crec.start));
 227         return 0;
 228 }
 229
 230
 231 /* show the current server status */
 232 void status_page(void)
 233 {
 234         const char *v;
 235         int autorefresh=0;
 236         int refresh_interval=30;
 237         TDB_CONTEXT *tdb;
 238         int nr_running=0;
 239         BOOL waitup = False;
 240
 241         smbd_pid = pid_to_procid(pidfile_pid("smbd"));
 242
 243         if (cgi_variable("smbd_restart") || cgi_variable("all_restart")) {
 244                 stop_smbd();
 245                 start_smbd();
 246                 waitup=True;
 247         }
 248
 249         if (cgi_variable("smbd_start") || cgi_variable("all_start")) {
 250                 start_smbd();
 251                 waitup=True;
 252         }
 253
 254         if (cgi_variable("smbd_stop") || cgi_variable("all_stop")) {
 255                 stop_smbd();
 256                 waitup=True;
 257         }
 258
 259         if (cgi_variable("nmbd_restart") || cgi_variable("all_restart")) {
 260                 stop_nmbd();
 261                 start_nmbd();
 262                 waitup=True;
 263         }
 264         if (cgi_variable("nmbd_start") || cgi_variable("all_start")) {
 265                 start_nmbd();
 266                 waitup=True;
 267         }
 268
 269         if (cgi_variable("nmbd_stop")|| cgi_variable("all_stop")) {
 270                 stop_nmbd();
 271                 waitup=True;
 272         }
 273
 274 #ifdef WITH_WINBIND
 275         if (cgi_variable("winbindd_restart") || cgi_variable("all_restart")) {
 276                 stop_winbindd();
 277                 start_winbindd();
 278                 waitup=True;
 279         }
 280
 281         if (cgi_variable("winbindd_start") || cgi_variable("all_start")) {
 282                 start_winbindd();
 283                 waitup=True;
 284         }
 285
 286         if (cgi_variable("winbindd_stop") || cgi_variable("all_stop")) {
 287                 stop_winbindd();
 288                 waitup=True;
 289         }
 290 #endif
 291         /* wait for daemons to start/stop */
 292         if (waitup)
 293                 sleep(SLEEP_TIME);
 294
 295         if (cgi_variable("autorefresh")) {
 296                 autorefresh = 1;
 297         } else if (cgi_variable("norefresh")) {
 298                 autorefresh = 0;
 299         } else if (cgi_variable("refresh")) {
 300                 autorefresh = 1;
 301         }
 302
 303         if ((v=cgi_variable("refresh_interval"))) {
 304                 refresh_interval = atoi(v);
 305         }
 306
 307         if (cgi_variable("show_client_in_col_1")) {
 308                 PID_or_Machine = 1;
 309         }
 310
 311         if (cgi_variable("show_pid_in_col_1")) {
 312                 PID_or_Machine = 0;
 313         }
 314
 315         tdb = tdb_open_log(lock_path("connections.tdb"), 0, TDB_DEFAULT, O_RDONLY, 0);
 316         if (tdb) tdb_traverse(tdb, traverse_fn1, NULL);
 317
 318         initPid2Machine ();
 319
 320         printf("<H2>%s</H2>\n", _("Server Status"));
 321
 322         printf("<FORM method=post>\n");
 323
 324         if (!autorefresh) {
 325                 printf("<input type=submit value=\"%s\" name=\"autorefresh\">\n", _("Auto Refresh"));
 326                 printf("<br>%s", _("Refresh Interval: "));
 327                 printf("<input type=text size=2 name=\"refresh_interval\" value=\"%d\">\n",
 328                        refresh_interval);
 329         } else {
 330                 printf("<input type=submit value=\"%s\" name=\"norefresh\">\n", _("Stop Refreshing"));
 331                 printf("<br>%s%d\n", _("Refresh Interval: "), refresh_interval);
 332                 printf("<input type=hidden name=\"refresh\" value=\"1\">\n");
 333         }
 334
 335         printf("<p>\n");
 336
 337         if (!tdb) {
 338                 /* open failure either means no connections have been
 339                    made */
 340         }
 341
 342
 343         printf("<table>\n");
 344
 345         printf("<tr><td>%s</td><td>%s</td></tr>", _("version:"), SAMBA_VERSION_STRING);
 346
 347         fflush(stdout);
 348         printf("<tr><td>%s</td><td>%s</td>\n", _("smbd:"), smbd_running()?_("running"):_("not running"));
 349         if (geteuid() == 0) {
 350             if (smbd_running()) {
 351                 nr_running++;
 352                 printf("<td><input type=submit name=\"smbd_stop\" value=\"%s\"></td>\n", _("Stop smbd"));
 353             } else {
 354                 printf("<td><input type=submit name=\"smbd_start\" value=\"%s\"></td>\n", _("Start smbd"));
 355             }
 356             printf("<td><input type=submit name=\"smbd_restart\" value=\"%s\"></td>\n", _("Restart smbd"));
 357         }
 358         printf("</tr>\n");
 359
 360         fflush(stdout);
 361         printf("<tr><td>%s</td><td>%s</td>\n", _("nmbd:"), nmbd_running()?_("running"):_("not running"));
 362         if (geteuid() == 0) {
 363             if (nmbd_running()) {
 364                 nr_running++;
 365                 printf("<td><input type=submit name=\"nmbd_stop\" value=\"%s\"></td>\n", _("Stop nmbd"));
 366             } else {
 367                 printf("<td><input type=submit name=\"nmbd_start\" value=\"%s\"></td>\n", _("Start nmbd"));
 368             }
 369             printf("<td><input type=submit name=\"nmbd_restart\" value=\"%s\"></td>\n", _("Restart nmbd"));
 370         }
 371         printf("</tr>\n");
 372
 373 #ifdef WITH_WINBIND
 374         fflush(stdout);
 375         printf("<tr><td>%s</td><td>%s</td>\n", _("winbindd:"), winbindd_running()?_("running"):_("not running"));
 376         if (geteuid() == 0) {
 377             if (winbindd_running()) {
 378                 nr_running++;
 379                 printf("<td><input type=submit name=\"winbindd_stop\" value=\"%s\"></td>\n", _("Stop winbindd"));
 380             } else {
 381                 printf("<td><input type=submit name=\"winbindd_start\" value=\"%s\"></td>\n", _("Start winbindd"));
 382             }
 383             printf("<td><input type=submit name=\"winbindd_restart\" value=\"%s\"></td>\n", _("Restart winbindd"));
 384         }
 385         printf("</tr>\n");
 386 #endif
 387
 388         if (geteuid() == 0) {
 389             printf("<tr><td></td><td></td>\n");
 390             if (nr_running >= 1) {
 391                 /* stop, restart all */
 392                 printf("<td><input type=submit name=\"all_stop\" value=\"%s\"></td>\n", _("Stop All"));
 393                 printf("<td><input type=submit name=\"all_restart\" value=\"%s\"></td>\n", _("Restart All"));
 394             }
 395             else if (nr_running == 0) {
 396                 /* start all */
 397                 printf("<td><input type=submit name=\"all_start\" value=\"%s\"></td>\n", _("Start All"));
 398             }
 399             printf("</tr>\n");
 400         }
 401         printf("</table>\n");
 402         fflush(stdout);
 403
 404         printf("<p><h3>%s</h3>\n", _("Active Connections"));
 405         printf("<table border=1>\n");
 406         printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th>\n", _("PID"), _("Client"), _("IP address"), _("Date"));
 407         if (geteuid() == 0) {
 408                 printf("<th>%s</th>\n", _("Kill"));
 409         }
 410         printf("</tr>\n");
 411
 412         if (tdb) tdb_traverse(tdb, traverse_fn2, NULL);
 413
 414         printf("</table><p>\n");
 415
 416         printf("<p><h3>%s</h3>\n", _("Active Shares"));
 417         printf("<table border=1>\n");
 418         printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th></tr>\n\n",
 419                 _("Share"), _("User"), _("Group"), _("PID"), _("Client"), _("Date"));
 420
 421         if (tdb) tdb_traverse(tdb, traverse_fn3, NULL);
 422
 423         printf("</table><p>\n");
 424
 425         printf("<h3>%s</h3>\n", _("Open Files"));
 426         printf("<table border=1>\n");
 427         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"));
 428
 429         locking_init(1);
 430         share_mode_forall(print_share_mode);
 431         locking_end();
 432         printf("</table>\n");
 433
 434         if (tdb) tdb_close(tdb);
 435
 436         printf("<br><input type=submit name=\"show_client_in_col_1\" value=\"%s\">\n", _("Show Client in col 1"));
 437         printf("<input type=submit name=\"show_pid_in_col_1\" value=\"%s\">\n", _("Show PID in col 1"));
 438
 439         printf("</FORM>\n");
 440
 441         if (autorefresh) {
 442                 /* this little JavaScript allows for automatic refresh
 443                    of the page. There are other methods but this seems
 444                    to be the best alternative */
 445                 printf("<script language=\"JavaScript\">\n");
 446                 printf("<!--\nsetTimeout('window.location.replace(\"%s/status?refresh_interval=%d&refresh=1\")', %d)\n",
 447                        cgi_baseurl(),
 448                        refresh_interval,
 449                        refresh_interval*1000);
 450                 printf("//-->\n</script>\n");
 451         }
 452 }