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(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         char           *utf8_sharepath;
 127         int deny_mode;
 128         size_t converted_size;
 129
 130         if (!is_valid_share_mode_entry(e)) {
 131                 return;
 132         }
 133
 134         deny_mode = map_share_mode_to_deny_mode(e->share_access,
 135                                                     e->private_options);
 136
 137         printf("<tr><td>%s</td>",_(mapPid2Machine(e->pid)));
 138         printf("<td>%u</td>",(unsigned int)e->uid);
 139         printf("<td>");
 140         switch ((deny_mode>>4)&0xF) {
 141         case DENY_NONE: printf("DENY_NONE"); break;
 142         case DENY_ALL:  printf("DENY_ALL   "); break;
 143         case DENY_DOS:  printf("DENY_DOS   "); break;
 144         case DENY_FCB:  printf("DENY_FCB   "); break;
 145         case DENY_READ: printf("DENY_READ  "); break;
 146         case DENY_WRITE:printf("DENY_WRITE "); break;
 147         }
 148         printf("</td>");
 149
 150         printf("<td>");
 151         if (e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA)) {
 152                 printf("%s", _("RDWR       "));
 153         } else if (e->access_mask & FILE_WRITE_DATA) {
 154                 printf("%s", _("WRONLY     "));
 155         } else {
 156                 printf("%s", _("RDONLY     "));
 157         }
 158         printf("</td>");
 159
 160         printf("<td>");
 161         if((e->op_type &
 162             (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
 163            (EXCLUSIVE_OPLOCK|BATCH_OPLOCK))
 164                 printf("EXCLUSIVE+BATCH ");
 165         else if (e->op_type & EXCLUSIVE_OPLOCK)
 166                 printf("EXCLUSIVE       ");
 167         else if (e->op_type & BATCH_OPLOCK)
 168                 printf("BATCH           ");
 169         else if (e->op_type & LEVEL_II_OPLOCK)
 170                 printf("LEVEL_II        ");
 171         else
 172                 printf("NONE            ");
 173         printf("</td>");
 174
 175         push_utf8_talloc(talloc_tos(), &utf8_fname, fname, &converted_size);
 176         push_utf8_talloc(talloc_tos(), &utf8_sharepath, sharepath,
 177                          &converted_size);
 178         printf("<td>%s</td><td>%s</td><td>%s</td></tr>\n",
 179                utf8_sharepath,utf8_fname,tstring(talloc_tos(),e->time.tv_sec));
 180         TALLOC_FREE(utf8_fname);
 181 }
 182
 183
 184 /* kill off any connections chosen by the user */
 185 static int traverse_fn1(struct db_record *rec,
 186                         const struct connections_key *key,
 187                         const struct connections_data *crec,
 188                         void *private_data)
 189 {
 190         if (crec->cnum == -1 && process_exists(crec->pid)) {
 191                 char buf[30];
 192                 slprintf(buf,sizeof(buf)-1,"kill_%s", procid_str_static(&crec->pid));
 193                 if (cgi_variable(buf)) {
 194                         kill_pid(crec->pid);
 195                         sleep(SLEEP_TIME);
 196                 }
 197         }
 198         return 0;
 199 }
 200
 201 /* traversal fn for showing machine connections */
 202 static int traverse_fn2(struct db_record *rec,
 203                         const struct connections_key *key,
 204                         const struct connections_data *crec,
 205                         void *private_data)
 206 {
 207         if (crec->cnum == -1 || !process_exists(crec->pid) ||
 208             procid_equal(&crec->pid, &smbd_pid))
 209                 return 0;
 210
 211         addPid2Machine (crec->pid, crec->machine);
 212
 213         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td>\n",
 214                procid_str_static(&crec->pid),
 215                crec->machine, crec->addr,
 216                tstring(talloc_tos(),crec->start));
 217         if (geteuid() == 0) {
 218                 printf("<td><input type=submit value=\"X\" name=\"kill_%s\"></td>\n",
 219                        procid_str_static(&crec->pid));
 220         }
 221         printf("</tr>\n");
 222
 223         return 0;
 224 }
 225
 226 /* traversal fn for showing share connections */
 227 static int traverse_fn3(struct db_record *rec,
 228                         const struct connections_key *key,
 229                         const struct connections_data *crec,
 230                         void *private_data)
 231 {
 232         if (crec->cnum == -1 || !process_exists(crec->pid))
 233                 return 0;
 234
 235         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr>\n",
 236                crec->servicename, uidtoname(crec->uid),
 237                gidtoname(crec->gid),procid_str_static(&crec->pid),
 238                crec->machine,
 239                tstring(talloc_tos(),crec->start));
 240         return 0;
 241 }
 242
 243
 244 /* show the current server status */
 245 void status_page(void)
 246 {
 247         const char *v;
 248         int autorefresh=0;
 249         int refresh_interval=30;
 250         int nr_running=0;
 251         bool waitup = False;
 252         TALLOC_CTX *ctx = talloc_stackframe();
 253
 254         smbd_pid = pid_to_procid(pidfile_pid("smbd"));
 255
 256         if (cgi_variable("smbd_restart") || cgi_variable("all_restart")) {
 257                 stop_smbd();
 258                 start_smbd();
 259                 waitup=True;
 260         }
 261
 262         if (cgi_variable("smbd_start") || cgi_variable("all_start")) {
 263                 start_smbd();
 264                 waitup=True;
 265         }
 266
 267         if (cgi_variable("smbd_stop") || cgi_variable("all_stop")) {
 268                 stop_smbd();
 269                 waitup=True;
 270         }
 271
 272         if (cgi_variable("nmbd_restart") || cgi_variable("all_restart")) {
 273                 stop_nmbd();
 274                 start_nmbd();
 275                 waitup=True;
 276         }
 277         if (cgi_variable("nmbd_start") || cgi_variable("all_start")) {
 278                 start_nmbd();
 279                 waitup=True;
 280         }
 281
 282         if (cgi_variable("nmbd_stop")|| cgi_variable("all_stop")) {
 283                 stop_nmbd();
 284                 waitup=True;
 285         }
 286
 287 #ifdef WITH_WINBIND
 288         if (cgi_variable("winbindd_restart") || cgi_variable("all_restart")) {
 289                 stop_winbindd();
 290                 start_winbindd();
 291                 waitup=True;
 292         }
 293
 294         if (cgi_variable("winbindd_start") || cgi_variable("all_start")) {
 295                 start_winbindd();
 296                 waitup=True;
 297         }
 298
 299         if (cgi_variable("winbindd_stop") || cgi_variable("all_stop")) {
 300                 stop_winbindd();
 301                 waitup=True;
 302         }
 303 #endif
 304         /* wait for daemons to start/stop */
 305         if (waitup)
 306                 sleep(SLEEP_TIME);
 307
 308         if (cgi_variable("autorefresh")) {
 309                 autorefresh = 1;
 310         } else if (cgi_variable("norefresh")) {
 311                 autorefresh = 0;
 312         } else if (cgi_variable("refresh")) {
 313                 autorefresh = 1;
 314         }
 315
 316         if ((v=cgi_variable("refresh_interval"))) {
 317                 refresh_interval = atoi(v);
 318         }
 319
 320         if (cgi_variable("show_client_in_col_1")) {
 321                 PID_or_Machine = 1;
 322         }
 323
 324         if (cgi_variable("show_pid_in_col_1")) {
 325                 PID_or_Machine = 0;
 326         }
 327
 328         connections_forall(traverse_fn1, NULL);
 329
 330         initPid2Machine ();
 331
 332         printf("<H2>%s</H2>\n", _("Server Status"));
 333
 334         printf("<FORM method=post>\n");
 335
 336         if (!autorefresh) {
 337                 printf("<input type=submit value=\"%s\" name=\"autorefresh\">\n", _("Auto Refresh"));
 338                 printf("<br>%s", _("Refresh Interval: "));
 339                 printf("<input type=text size=2 name=\"refresh_interval\" value=\"%d\">\n",
 340                        refresh_interval);
 341         } else {
 342                 printf("<input type=submit value=\"%s\" name=\"norefresh\">\n", _("Stop Refreshing"));
 343                 printf("<br>%s%d\n", _("Refresh Interval: "), refresh_interval);
 344                 printf("<input type=hidden name=\"refresh\" value=\"1\">\n");
 345         }
 346
 347         printf("<p>\n");
 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         connections_forall(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         connections_forall(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><th>%s</th><th>%s</th></tr>\n",
 434                 _("PID"), _("UID"), _("Sharing"), _("R/W"), _("Oplock"), _("Share"), _("File"), _("Date"));
 435
 436         locking_init_readonly();
 437         share_mode_forall(print_share_mode, NULL);
 438         locking_end();
 439         printf("</table>\n");
 440
 441         printf("<br><input type=submit name=\"show_client_in_col_1\" value=\"%s\">\n", _("Show Client in col 1"));
 442         printf("<input type=submit name=\"show_pid_in_col_1\" value=\"%s\">\n", _("Show PID in col 1"));
 443
 444         printf("</FORM>\n");
 445
 446         if (autorefresh) {
 447                 /* this little JavaScript allows for automatic refresh
 448                    of the page. There are other methods but this seems
 449                    to be the best alternative */
 450                 printf("<script language=\"JavaScript\">\n");
 451                 printf("<!--\nsetTimeout('window.location.replace(\"%s/status?refresh_interval=%d&refresh=1\")', %d)\n",
 452                        cgi_baseurl(),
 453                        refresh_interval,
 454                        refresh_interval*1000);
 455                 printf("//-->\n</script>\n");
 456         }
 457         TALLOC_FREE(ctx);
 458 }