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