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