source/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, time_to_asc(&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, const char *sharepath, const char *fname)
 110 {
 111         char           *utf8_fname;
 112         int deny_mode;
 113
 114         if (!is_valid_share_mode_entry(e)) {
 115                 return;
 116         }
 117
 118         deny_mode = map_share_mode_to_deny_mode(e->share_access,
 119                                                     e->private_options);
 120
 121         printf("<tr><td>%s</td>",_(mapPid2Machine(e->pid)));
 122         printf("<td>%u</td>",(unsigned int)e->uid);
 123         printf("<td>");
 124         switch ((deny_mode>>4)&0xF) {
 125         case DENY_NONE: printf("DENY_NONE"); break;
 126         case DENY_ALL:  printf("DENY_ALL   "); break;
 127         case DENY_DOS:  printf("DENY_DOS   "); break;
 128         case DENY_FCB:  printf("DENY_FCB   "); break;
 129         case DENY_READ: printf("DENY_READ  "); break;
 130         case DENY_WRITE:printf("DENY_WRITE "); break;
 131         }
 132         printf("</td>");
 133
 134         printf("<td>");
 135         if (e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA)) {
 136                 printf("%s", _("RDWR       "));
 137         } else if (e->access_mask & FILE_WRITE_DATA) {
 138                 printf("%s", _("WRONLY     "));
 139         } else {
 140                 printf("%s", _("RDONLY     "));
 141         }
 142         printf("</td>");
 143
 144         printf("<td>");
 145         if((e->op_type &
 146             (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
 147            (EXCLUSIVE_OPLOCK|BATCH_OPLOCK))
 148                 printf("EXCLUSIVE+BATCH ");
 149         else if (e->op_type & EXCLUSIVE_OPLOCK)
 150                 printf("EXCLUSIVE       ");
 151         else if (e->op_type & BATCH_OPLOCK)
 152                 printf("BATCH           ");
 153         else if (e->op_type & LEVEL_II_OPLOCK)
 154                 printf("LEVEL_II        ");
 155         else
 156                 printf("NONE            ");
 157         printf("</td>");
 158
 159         push_utf8_allocate(&utf8_fname, fname);
 160         printf("<td>%s</td><td>%s</td></tr>\n",
 161                utf8_fname,tstring(e->time.tv_sec));
 162         SAFE_FREE(utf8_fname);
 163 }
 164
 165
 166 /* kill off any connections chosen by the user */
 167 static int traverse_fn1(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
 168 {
 169         struct connections_data crec;
 170
 171         if (dbuf.dsize != sizeof(crec))
 172                 return 0;
 173
 174         memcpy(&crec, dbuf.dptr, sizeof(crec));
 175
 176         if (crec.cnum == -1 && process_exists(crec.pid)) {
 177                 char buf[30];
 178                 slprintf(buf,sizeof(buf)-1,"kill_%s", procid_str_static(&crec.pid));
 179                 if (cgi_variable(buf)) {
 180                         kill_pid(crec.pid);
 181                         sleep(SLEEP_TIME);
 182                 }
 183         }
 184         return 0;
 185 }
 186
 187 /* traversal fn for showing machine connections */
 188 static int traverse_fn2(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
 189 {
 190         struct connections_data crec;
 191
 192         if (dbuf.dsize != sizeof(crec))
 193                 return 0;
 194
 195         memcpy(&crec, dbuf.dptr, sizeof(crec));
 196
 197         if (crec.cnum == -1 || !process_exists(crec.pid) ||
 198             procid_equal(&crec.pid, &smbd_pid))
 199                 return 0;
 200
 201         addPid2Machine (crec.pid, crec.machine);
 202
 203         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td>\n",
 204                procid_str_static(&crec.pid),
 205                crec.machine,crec.addr,
 206                tstring(crec.start));
 207         if (geteuid() == 0) {
 208                 printf("<td><input type=submit value=\"X\" name=\"kill_%s\"></td>\n",
 209                        procid_str_static(&crec.pid));
 210         }
 211         printf("</tr>\n");
 212
 213         return 0;
 214 }
 215
 216 /* traversal fn for showing share connections */
 217 static int traverse_fn3(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
 218 {
 219         struct connections_data crec;
 220
 221         if (dbuf.dsize != sizeof(crec))
 222                 return 0;
 223
 224         memcpy(&crec, dbuf.dptr, sizeof(crec));
 225
 226         if (crec.cnum == -1 || !process_exists(crec.pid))
 227                 return 0;
 228
 229         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr>\n",
 230                crec.name,uidtoname(crec.uid),
 231                gidtoname(crec.gid),procid_str_static(&crec.pid),
 232                crec.machine,
 233                tstring(crec.start));
 234         return 0;
 235 }
 236
 237
 238 /* show the current server status */
 239 void status_page(void)
 240 {
 241         const char *v;
 242         int autorefresh=0;
 243         int refresh_interval=30;
 244         TDB_CONTEXT *tdb;
 245         int nr_running=0;
 246         BOOL waitup = False;
 247
 248         smbd_pid = pid_to_procid(pidfile_pid("smbd"));
 249
 250         if (cgi_variable("smbd_restart") || cgi_variable("all_restart")) {
 251                 stop_smbd();
 252                 start_smbd();
 253                 waitup=True;
 254         }
 255
 256         if (cgi_variable("smbd_start") || cgi_variable("all_start")) {
 257                 start_smbd();
 258                 waitup=True;
 259         }
 260
 261         if (cgi_variable("smbd_stop") || cgi_variable("all_stop")) {
 262                 stop_smbd();
 263                 waitup=True;
 264         }
 265
 266         if (cgi_variable("nmbd_restart") || cgi_variable("all_restart")) {
 267                 stop_nmbd();
 268                 start_nmbd();
 269                 waitup=True;
 270         }
 271         if (cgi_variable("nmbd_start") || cgi_variable("all_start")) {
 272                 start_nmbd();
 273                 waitup=True;
 274         }
 275
 276         if (cgi_variable("nmbd_stop")|| cgi_variable("all_stop")) {
 277                 stop_nmbd();
 278                 waitup=True;
 279         }
 280
 281 #ifdef WITH_WINBIND
 282         if (cgi_variable("winbindd_restart") || cgi_variable("all_restart")) {
 283                 stop_winbindd();
 284                 start_winbindd();
 285                 waitup=True;
 286         }
 287
 288         if (cgi_variable("winbindd_start") || cgi_variable("all_start")) {
 289                 start_winbindd();
 290                 waitup=True;
 291         }
 292
 293         if (cgi_variable("winbindd_stop") || cgi_variable("all_stop")) {
 294                 stop_winbindd();
 295                 waitup=True;
 296         }
 297 #endif
 298         /* wait for daemons to start/stop */
 299         if (waitup)
 300                 sleep(SLEEP_TIME);
 301
 302         if (cgi_variable("autorefresh")) {
 303                 autorefresh = 1;
 304         } else if (cgi_variable("norefresh")) {
 305                 autorefresh = 0;
 306         } else if (cgi_variable("refresh")) {
 307                 autorefresh = 1;
 308         }
 309
 310         if ((v=cgi_variable("refresh_interval"))) {
 311                 refresh_interval = atoi(v);
 312         }
 313
 314         if (cgi_variable("show_client_in_col_1")) {
 315                 PID_or_Machine = 1;
 316         }
 317
 318         if (cgi_variable("show_pid_in_col_1")) {
 319                 PID_or_Machine = 0;
 320         }
 321
 322         tdb = tdb_open_log(lock_path("connections.tdb"), 0, TDB_DEFAULT, O_RDONLY, 0);
 323         if (tdb) tdb_traverse(tdb, traverse_fn1, NULL);
 324
 325         initPid2Machine ();
 326
 327         printf("<H2>%s</H2>\n", _("Server Status"));
 328
 329         printf("<FORM method=post>\n");
 330
 331         if (!autorefresh) {
 332                 printf("<input type=submit value=\"%s\" name=\"autorefresh\">\n", _("Auto Refresh"));
 333                 printf("<br>%s", _("Refresh Interval: "));
 334                 printf("<input type=text size=2 name=\"refresh_interval\" value=\"%d\">\n",
 335                        refresh_interval);
 336         } else {
 337                 printf("<input type=submit value=\"%s\" name=\"norefresh\">\n", _("Stop Refreshing"));
 338                 printf("<br>%s%d\n", _("Refresh Interval: "), refresh_interval);
 339                 printf("<input type=hidden name=\"refresh\" value=\"1\">\n");
 340         }
 341
 342         printf("<p>\n");
 343
 344         if (!tdb) {
 345                 /* open failure either means no connections have been
 346                    made */
 347         }
 348
 349
 350         printf("<table>\n");
 351
 352         printf("<tr><td>%s</td><td>%s</td></tr>", _("version:"), SAMBA_VERSION_STRING);
 353
 354         fflush(stdout);
 355         printf("<tr><td>%s</td><td>%s</td>\n", _("smbd:"), smbd_running()?_("running"):_("not running"));
 356         if (geteuid() == 0) {
 357             if (smbd_running()) {
 358                 nr_running++;
 359                 printf("<td><input type=submit name=\"smbd_stop\" value=\"%s\"></td>\n", _("Stop smbd"));
 360             } else {
 361                 printf("<td><input type=submit name=\"smbd_start\" value=\"%s\"></td>\n", _("Start smbd"));
 362             }
 363             printf("<td><input type=submit name=\"smbd_restart\" value=\"%s\"></td>\n", _("Restart smbd"));
 364         }
 365         printf("</tr>\n");
 366
 367         fflush(stdout);
 368         printf("<tr><td>%s</td><td>%s</td>\n", _("nmbd:"), nmbd_running()?_("running"):_("not running"));
 369         if (geteuid() == 0) {
 370             if (nmbd_running()) {
 371                 nr_running++;
 372                 printf("<td><input type=submit name=\"nmbd_stop\" value=\"%s\"></td>\n", _("Stop nmbd"));
 373             } else {
 374                 printf("<td><input type=submit name=\"nmbd_start\" value=\"%s\"></td>\n", _("Start nmbd"));
 375             }
 376             printf("<td><input type=submit name=\"nmbd_restart\" value=\"%s\"></td>\n", _("Restart nmbd"));
 377         }
 378         printf("</tr>\n");
 379
 380 #ifdef WITH_WINBIND
 381         fflush(stdout);
 382         printf("<tr><td>%s</td><td>%s</td>\n", _("winbindd:"), winbindd_running()?_("running"):_("not running"));
 383         if (geteuid() == 0) {
 384             if (winbindd_running()) {
 385                 nr_running++;
 386                 printf("<td><input type=submit name=\"winbindd_stop\" value=\"%s\"></td>\n", _("Stop winbindd"));
 387             } else {
 388                 printf("<td><input type=submit name=\"winbindd_start\" value=\"%s\"></td>\n", _("Start winbindd"));
 389             }
 390             printf("<td><input type=submit name=\"winbindd_restart\" value=\"%s\"></td>\n", _("Restart winbindd"));
 391         }
 392         printf("</tr>\n");
 393 #endif
 394
 395         if (geteuid() == 0) {
 396             printf("<tr><td></td><td></td>\n");
 397             if (nr_running >= 1) {
 398                 /* stop, restart all */
 399                 printf("<td><input type=submit name=\"all_stop\" value=\"%s\"></td>\n", _("Stop All"));
 400                 printf("<td><input type=submit name=\"all_restart\" value=\"%s\"></td>\n", _("Restart All"));
 401             }
 402             else if (nr_running == 0) {
 403                 /* start all */
 404                 printf("<td><input type=submit name=\"all_start\" value=\"%s\"></td>\n", _("Start All"));
 405             }
 406             printf("</tr>\n");
 407         }
 408         printf("</table>\n");
 409         fflush(stdout);
 410
 411         printf("<p><h3>%s</h3>\n", _("Active Connections"));
 412         printf("<table border=1>\n");
 413         printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th>\n", _("PID"), _("Client"), _("IP address"), _("Date"));
 414         if (geteuid() == 0) {
 415                 printf("<th>%s</th>\n", _("Kill"));
 416         }
 417         printf("</tr>\n");
 418
 419         if (tdb) tdb_traverse(tdb, traverse_fn2, NULL);
 420
 421         printf("</table><p>\n");
 422
 423         printf("<p><h3>%s</h3>\n", _("Active Shares"));
 424         printf("<table border=1>\n");
 425         printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th></tr>\n\n",
 426                 _("Share"), _("User"), _("Group"), _("PID"), _("Client"), _("Date"));
 427
 428         if (tdb) tdb_traverse(tdb, traverse_fn3, NULL);
 429
 430         printf("</table><p>\n");
 431
 432         printf("<h3>%s</h3>\n", _("Open Files"));
 433         printf("<table border=1>\n");
 434         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"));
 435
 436         locking_init(1);
 437         share_mode_forall(print_share_mode);
 438         locking_end();
 439         printf("</table>\n");
 440
 441         if (tdb) tdb_close(tdb);
 442
 443         printf("<br><input type=submit name=\"show_client_in_col_1\" value=\"%s\">\n", _("Show Client in col 1"));
 444         printf("<input type=submit name=\"show_pid_in_col_1\" value=\"%s\">\n", _("Show PID in col 1"));
 445
 446         printf("</FORM>\n");
 447
 448         if (autorefresh) {
 449                 /* this little JavaScript allows for automatic refresh
 450                    of the page. There are other methods but this seems
 451                    to be the best alternative */
 452                 printf("<script language=\"JavaScript\">\n");
 453                 printf("<!--\nsetTimeout('window.location.replace(\"%s/status?refresh_interval=%d&refresh=1\")', %d)\n",
 454                        cgi_baseurl(),
 455                        refresh_interval,
 456                        refresh_interval*1000);
 457                 printf("//-->\n</script>\n");
 458         }
 459 }