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, *next;
  47
  48                 for (p = pidmap; p != NULL; p = next) {
  49                         next = p->next;
  50                         DLIST_REMOVE(pidmap, p);
  51                         SAFE_FREE(p->machine);
  52                         SAFE_FREE(p);
  53                 }
  54
  55                 pidmap = NULL;
  56         }
  57 }
  58
  59 /* add new PID <-> Machine name mapping */
  60 static void addPid2Machine (struct server_id pid, const char *machine)
  61 {
  62         /* show machine name rather PID on table "Open Files"? */
  63         if (PID_or_Machine) {
  64                 PIDMAP *newmap;
  65
  66                 if ((newmap = SMB_MALLOC_P(PIDMAP)) == NULL) {
  67                         /* XXX need error message for this?
  68                            if malloc fails, PID is always shown */
  69                         return;
  70                 }
  71
  72                 newmap->pid = pid;
  73                 newmap->machine = SMB_STRDUP(machine);
  74
  75                 DLIST_ADD(pidmap, newmap);
  76         }
  77 }
  78
  79 /* lookup PID <-> Machine name mapping */
  80 static char *mapPid2Machine (struct server_id pid)
  81 {
  82         static char pidbuf [64];
  83         PIDMAP *map;
  84
  85         /* show machine name rather PID on table "Open Files"? */
  86         if (PID_or_Machine) {
  87                 for (map = pidmap; map != NULL; map = map->next) {
  88                         if (procid_equal(&pid, &map->pid)) {
  89                                 if (map->machine == NULL)       /* no machine name */
  90                                         break;                  /* show PID */
  91
  92                                 return map->machine;
  93                         }
  94                 }
  95         }
  96
  97         /* PID not in list or machine name NULL? return pid as string */
  98         snprintf (pidbuf, sizeof (pidbuf) - 1, "%s",
  99                   procid_str_static(&pid));
 100         return pidbuf;
 101 }
 102
 103 static const char *tstring(TALLOC_CTX *ctx, time_t t)
 104 {
 105         char *buf;
 106         buf = talloc_strdup(ctx, time_to_asc(t));
 107         if (!buf) {
 108                 return "";
 109         }
 110         buf = talloc_all_string_sub(ctx,
 111                         buf,
 112                         " ",
 113                         "&nbsp;");
 114         if (!buf) {
 115                 return "";
 116         }
 117         return buf;
 118 }
 119
 120 static void print_share_mode(const struct share_mode_entry *e,
 121                              const char *sharepath,
 122                              const char *fname,
 123                              void *dummy)
 124 {
 125         char           *utf8_fname;
 126         int deny_mode;
 127
 128         if (!is_valid_share_mode_entry(e)) {
 129                 return;
 130         }
 131
 132         deny_mode = map_share_mode_to_deny_mode(e->share_access,
 133                                                     e->private_options);
 134
 135         printf("<tr><td>%s</td>",_(mapPid2Machine(e->pid)));
 136         printf("<td>%u</td>",(unsigned int)e->uid);
 137         printf("<td>");
 138         switch ((deny_mode>>4)&0xF) {
 139         case DENY_NONE: printf("DENY_NONE"); break;
 140         case DENY_ALL:  printf("DENY_ALL   "); break;
 141         case DENY_DOS:  printf("DENY_DOS   "); break;
 142         case DENY_FCB:  printf("DENY_FCB   "); break;
 143         case DENY_READ: printf("DENY_READ  "); break;
 144         case DENY_WRITE:printf("DENY_WRITE "); break;
 145         }
 146         printf("</td>");
 147
 148         printf("<td>");
 149         if (e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA)) {
 150                 printf("%s", _("RDWR       "));
 151         } else if (e->access_mask & FILE_WRITE_DATA) {
 152                 printf("%s", _("WRONLY     "));
 153         } else {
 154                 printf("%s", _("RDONLY     "));
 155         }
 156         printf("</td>");
 157
 158         printf("<td>");
 159         if((e->op_type &
 160             (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
 161            (EXCLUSIVE_OPLOCK|BATCH_OPLOCK))
 162                 printf("EXCLUSIVE+BATCH ");
 163         else if (e->op_type & EXCLUSIVE_OPLOCK)
 164                 printf("EXCLUSIVE       ");
 165         else if (e->op_type & BATCH_OPLOCK)
 166                 printf("BATCH           ");
 167         else if (e->op_type & LEVEL_II_OPLOCK)
 168                 printf("LEVEL_II        ");
 169         else
 170                 printf("NONE            ");
 171         printf("</td>");
 172
 173         push_utf8_allocate(&utf8_fname, fname);
 174         printf("<td>%s</td><td>%s</td></tr>\n",
 175                utf8_fname,tstring(talloc_tos(),e->time.tv_sec));
 176         SAFE_FREE(utf8_fname);
 177 }
 178
 179
 180 /* kill off any connections chosen by the user */
 181 static int traverse_fn1(struct db_record *rec,
 182                         const struct connections_key *key,
 183                         const struct connections_data *crec,
 184                         void *private_data)
 185 {
 186         if (crec->cnum == -1 && process_exists(crec->pid)) {
 187                 char buf[30];
 188                 slprintf(buf,sizeof(buf)-1,"kill_%s", procid_str_static(&crec->pid));
 189                 if (cgi_variable(buf)) {
 190                         kill_pid(crec->pid);
 191                         sleep(SLEEP_TIME);
 192                 }
 193         }
 194         return 0;
 195 }
 196
 197 /* traversal fn for showing machine connections */
 198 static int traverse_fn2(struct db_record *rec,
 199                         const struct connections_key *key,
 200                         const struct connections_data *crec,
 201                         void *private_data)
 202 {
 203         if (crec->cnum == -1 || !process_exists(crec->pid) ||
 204             procid_equal(&crec->pid, &smbd_pid))
 205                 return 0;
 206
 207         addPid2Machine (crec->pid, crec->machine);
 208
 209         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td>\n",
 210                procid_str_static(&crec->pid),
 211                crec->machine, crec->addr,
 212                tstring(talloc_tos(),crec->start));
 213         if (geteuid() == 0) {
 214                 printf("<td><input type=submit value=\"X\" name=\"kill_%s\"></td>\n",
 215                        procid_str_static(&crec->pid));
 216         }
 217         printf("</tr>\n");
 218
 219         return 0;
 220 }
 221
 222 /* traversal fn for showing share connections */
 223 static int traverse_fn3(struct db_record *rec,
 224                         const struct connections_key *key,
 225                         const struct connections_data *crec,
 226                         void *private_data)
 227 {
 228         if (crec->cnum == -1 || !process_exists(crec->pid))
 229                 return 0;
 230
 231         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr>\n",
 232                crec->servicename, uidtoname(crec->uid),
 233                gidtoname(crec->gid),procid_str_static(&crec->pid),
 234                crec->machine,
 235                tstring(talloc_tos(),crec->start));
 236         return 0;
 237 }
 238
 239
 240 /* show the current server status */
 241 void status_page(void)
 242 {
 243         const char *v;
 244         int autorefresh=0;
 245         int refresh_interval=30;
 246         int nr_running=0;
 247         bool waitup = False;
 248         TALLOC_CTX *ctx = talloc_stackframe();
 249
 250         smbd_pid = pid_to_procid(pidfile_pid("smbd"));
 251
 252         if (cgi_variable("smbd_restart") || cgi_variable("all_restart")) {
 253                 stop_smbd();
 254                 start_smbd();
 255                 waitup=True;
 256         }
 257
 258         if (cgi_variable("smbd_start") || cgi_variable("all_start")) {
 259                 start_smbd();
 260                 waitup=True;
 261         }
 262
 263         if (cgi_variable("smbd_stop") || cgi_variable("all_stop")) {
 264                 stop_smbd();
 265                 waitup=True;
 266         }
 267
 268         if (cgi_variable("nmbd_restart") || cgi_variable("all_restart")) {
 269                 stop_nmbd();
 270                 start_nmbd();
 271                 waitup=True;
 272         }
 273         if (cgi_variable("nmbd_start") || cgi_variable("all_start")) {
 274                 start_nmbd();
 275                 waitup=True;
 276         }
 277
 278         if (cgi_variable("nmbd_stop")|| cgi_variable("all_stop")) {
 279                 stop_nmbd();
 280                 waitup=True;
 281         }
 282
 283 #ifdef WITH_WINBIND
 284         if (cgi_variable("winbindd_restart") || cgi_variable("all_restart")) {
 285                 stop_winbindd();
 286                 start_winbindd();
 287                 waitup=True;
 288         }
 289
 290         if (cgi_variable("winbindd_start") || cgi_variable("all_start")) {
 291                 start_winbindd();
 292                 waitup=True;
 293         }
 294
 295         if (cgi_variable("winbindd_stop") || cgi_variable("all_stop")) {
 296                 stop_winbindd();
 297                 waitup=True;
 298         }
 299 #endif
 300         /* wait for daemons to start/stop */
 301         if (waitup)
 302                 sleep(SLEEP_TIME);
 303
 304         if (cgi_variable("autorefresh")) {
 305                 autorefresh = 1;
 306         } else if (cgi_variable("norefresh")) {
 307                 autorefresh = 0;
 308         } else if (cgi_variable("refresh")) {
 309                 autorefresh = 1;
 310         }
 311
 312         if ((v=cgi_variable("refresh_interval"))) {
 313                 refresh_interval = atoi(v);
 314         }
 315
 316         if (cgi_variable("show_client_in_col_1")) {
 317                 PID_or_Machine = 1;
 318         }
 319
 320         if (cgi_variable("show_pid_in_col_1")) {
 321                 PID_or_Machine = 0;
 322         }
 323
 324         connections_forall(traverse_fn1, NULL);
 325
 326         initPid2Machine ();
 327
 328         printf("<H2>%s</H2>\n", _("Server Status"));
 329
 330         printf("<FORM method=post>\n");
 331
 332         if (!autorefresh) {
 333                 printf("<input type=submit value=\"%s\" name=\"autorefresh\">\n", _("Auto Refresh"));
 334                 printf("<br>%s", _("Refresh Interval: "));
 335                 printf("<input type=text size=2 name=\"refresh_interval\" value=\"%d\">\n",
 336                        refresh_interval);
 337         } else {
 338                 printf("<input type=submit value=\"%s\" name=\"norefresh\">\n", _("Stop Refreshing"));
 339                 printf("<br>%s%d\n", _("Refresh Interval: "), refresh_interval);
 340                 printf("<input type=hidden name=\"refresh\" value=\"1\">\n");
 341         }
 342
 343         printf("<p>\n");
 344
 345         printf("<table>\n");
 346
 347         printf("<tr><td>%s</td><td>%s</td></tr>", _("version:"), SAMBA_VERSION_STRING);
 348
 349         fflush(stdout);
 350         printf("<tr><td>%s</td><td>%s</td>\n", _("smbd:"), smbd_running()?_("running"):_("not running"));
 351         if (geteuid() == 0) {
 352             if (smbd_running()) {
 353                 nr_running++;
 354                 printf("<td><input type=submit name=\"smbd_stop\" value=\"%s\"></td>\n", _("Stop smbd"));
 355             } else {
 356                 printf("<td><input type=submit name=\"smbd_start\" value=\"%s\"></td>\n", _("Start smbd"));
 357             }
 358             printf("<td><input type=submit name=\"smbd_restart\" value=\"%s\"></td>\n", _("Restart smbd"));
 359         }
 360         printf("</tr>\n");
 361
 362         fflush(stdout);
 363         printf("<tr><td>%s</td><td>%s</td>\n", _("nmbd:"), nmbd_running()?_("running"):_("not running"));
 364         if (geteuid() == 0) {
 365             if (nmbd_running()) {
 366                 nr_running++;
 367                 printf("<td><input type=submit name=\"nmbd_stop\" value=\"%s\"></td>\n", _("Stop nmbd"));
 368             } else {
 369                 printf("<td><input type=submit name=\"nmbd_start\" value=\"%s\"></td>\n", _("Start nmbd"));
 370             }
 371             printf("<td><input type=submit name=\"nmbd_restart\" value=\"%s\"></td>\n", _("Restart nmbd"));
 372         }
 373         printf("</tr>\n");
 374
 375 #ifdef WITH_WINBIND
 376         fflush(stdout);
 377         printf("<tr><td>%s</td><td>%s</td>\n", _("winbindd:"), winbindd_running()?_("running"):_("not running"));
 378         if (geteuid() == 0) {
 379             if (winbindd_running()) {
 380                 nr_running++;
 381                 printf("<td><input type=submit name=\"winbindd_stop\" value=\"%s\"></td>\n", _("Stop winbindd"));
 382             } else {
 383                 printf("<td><input type=submit name=\"winbindd_start\" value=\"%s\"></td>\n", _("Start winbindd"));
 384             }
 385             printf("<td><input type=submit name=\"winbindd_restart\" value=\"%s\"></td>\n", _("Restart winbindd"));
 386         }
 387         printf("</tr>\n");
 388 #endif
 389
 390         if (geteuid() == 0) {
 391             printf("<tr><td></td><td></td>\n");
 392             if (nr_running >= 1) {
 393                 /* stop, restart all */
 394                 printf("<td><input type=submit name=\"all_stop\" value=\"%s\"></td>\n", _("Stop All"));
 395                 printf("<td><input type=submit name=\"all_restart\" value=\"%s\"></td>\n", _("Restart All"));
 396             }
 397             else if (nr_running == 0) {
 398                 /* start all */
 399                 printf("<td><input type=submit name=\"all_start\" value=\"%s\"></td>\n", _("Start All"));
 400             }
 401             printf("</tr>\n");
 402         }
 403         printf("</table>\n");
 404         fflush(stdout);
 405
 406         printf("<p><h3>%s</h3>\n", _("Active Connections"));
 407         printf("<table border=1>\n");
 408         printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th>\n", _("PID"), _("Client"), _("IP address"), _("Date"));
 409         if (geteuid() == 0) {
 410                 printf("<th>%s</th>\n", _("Kill"));
 411         }
 412         printf("</tr>\n");
 413
 414         connections_forall(traverse_fn2, NULL);
 415
 416         printf("</table><p>\n");
 417
 418         printf("<p><h3>%s</h3>\n", _("Active Shares"));
 419         printf("<table border=1>\n");
 420         printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th></tr>\n\n",
 421                 _("Share"), _("User"), _("Group"), _("PID"), _("Client"), _("Date"));
 422
 423         connections_forall(traverse_fn3, NULL);
 424
 425         printf("</table><p>\n");
 426
 427         printf("<h3>%s</h3>\n", _("Open Files"));
 428         printf("<table border=1>\n");
 429         printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th></tr>\n",
 430                 _("PID"), _("UID"), _("Sharing"), _("R/W"), _("Oplock"), _("File"), _("Date"));
 431
 432         locking_init_readonly();
 433         share_mode_forall(print_share_mode, NULL);
 434         locking_end();
 435         printf("</table>\n");
 436
 437         printf("<br><input type=submit name=\"show_client_in_col_1\" value=\"%s\">\n", _("Show Client in col 1"));
 438         printf("<input type=submit name=\"show_pid_in_col_1\" value=\"%s\">\n", _("Show PID in col 1"));
 439
 440         printf("</FORM>\n");
 441
 442         if (autorefresh) {
 443                 /* this little JavaScript allows for automatic refresh
 444                    of the page. There are other methods but this seems
 445                    to be the best alternative */
 446                 printf("<script language=\"JavaScript\">\n");
 447                 printf("<!--\nsetTimeout('window.location.replace(\"%s/status?refresh_interval=%d&refresh=1\")', %d)\n",
 448                        cgi_baseurl(),
 449                        refresh_interval,
 450                        refresh_interval*1000);
 451                 printf("//-->\n</script>\n");
 452         }
 453         TALLOC_FREE(ctx);
 454 }