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