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 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(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 char *tstring(time_t t)
 103 {
 104         static pstring buf;
 105         pstrcpy(buf, time_to_asc(t));
 106         all_string_sub(buf," ","&nbsp;",sizeof(buf));
 107         return buf;
 108 }
 109
 110 static void print_share_mode(const struct share_mode_entry *e,
 111                              const char *sharepath,
 112                              const char *fname,
 113                              void *dummy)
 114 {
 115         char           *utf8_fname;
 116         int deny_mode;
 117
 118         if (!is_valid_share_mode_entry(e)) {
 119                 return;
 120         }
 121
 122         deny_mode = map_share_mode_to_deny_mode(e->share_access,
 123                                                     e->private_options);
 124
 125         printf("<tr><td>%s</td>",_(mapPid2Machine(e->pid)));
 126         printf("<td>%u</td>",(unsigned int)e->uid);
 127         printf("<td>");
 128         switch ((deny_mode>>4)&0xF) {
 129         case DENY_NONE: printf("DENY_NONE"); break;
 130         case DENY_ALL:  printf("DENY_ALL   "); break;
 131         case DENY_DOS:  printf("DENY_DOS   "); break;
 132         case DENY_FCB:  printf("DENY_FCB   "); break;
 133         case DENY_READ: printf("DENY_READ  "); break;
 134         case DENY_WRITE:printf("DENY_WRITE "); break;
 135         }
 136         printf("</td>");
 137
 138         printf("<td>");
 139         if (e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA)) {
 140                 printf("%s", _("RDWR       "));
 141         } else if (e->access_mask & FILE_WRITE_DATA) {
 142                 printf("%s", _("WRONLY     "));
 143         } else {
 144                 printf("%s", _("RDONLY     "));
 145         }
 146         printf("</td>");
 147
 148         printf("<td>");
 149         if((e->op_type &
 150             (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
 151            (EXCLUSIVE_OPLOCK|BATCH_OPLOCK))
 152                 printf("EXCLUSIVE+BATCH ");
 153         else if (e->op_type & EXCLUSIVE_OPLOCK)
 154                 printf("EXCLUSIVE       ");
 155         else if (e->op_type & BATCH_OPLOCK)
 156                 printf("BATCH           ");
 157         else if (e->op_type & LEVEL_II_OPLOCK)
 158                 printf("LEVEL_II        ");
 159         else
 160                 printf("NONE            ");
 161         printf("</td>");
 162
 163         push_utf8_allocate(&utf8_fname, fname);
 164         printf("<td>%s</td><td>%s</td></tr>\n",
 165                utf8_fname,tstring(e->time.tv_sec));
 166         SAFE_FREE(utf8_fname);
 167 }
 168
 169
 170 /* kill off any connections chosen by the user */
 171 static int traverse_fn1(struct db_record *rec,
 172                         const struct connections_key *key,
 173                         const struct connections_data *crec,
 174                         void *private_data)
 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(struct db_record *rec,
 189                         const struct connections_key *key,
 190                         const struct connections_data *crec,
 191                         void *private_data)
 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(struct db_record *rec,
 214                         const struct connections_key *key,
 215                         const struct connections_data *crec,
 216                         void *private_data)
 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 }