source/web/statuspage.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    web status page
   5    Copyright (C) Andrew Tridgell 1997-1998
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "includes.h"
  23
  24 static pid_t smbd_pid;
  25
  26 static char *tstring(time_t t)
  27 {
  28         static pstring buf;
  29         pstrcpy(buf, asctime(LocalTime(&t)));
  30         all_string_sub(buf," ","&nbsp;",sizeof(buf));
  31         return buf;
  32 }
  33
  34 static void print_share_mode(share_mode_entry *e, char *fname)
  35 {
  36         printf("<tr><td>%d</td>",(int)e->pid);
  37         printf("<td>");
  38         switch ((e->share_mode>>4)&0xF) {
  39         case DENY_NONE: printf("DENY_NONE"); break;
  40         case DENY_ALL:  printf("DENY_ALL   "); break;
  41         case DENY_DOS:  printf("DENY_DOS   "); break;
  42         case DENY_READ: printf("DENY_READ  "); break;
  43         case DENY_WRITE:printf("DENY_WRITE "); break;
  44         }
  45         printf("</td>");
  46
  47         printf("<td>");
  48         switch (e->share_mode&0xF) {
  49         case 0: printf("RDONLY     "); break;
  50         case 1: printf("WRONLY     "); break;
  51         case 2: printf("RDWR       "); break;
  52         }
  53         printf("</td>");
  54
  55         printf("<td>");
  56         if((e->op_type &
  57             (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
  58            (EXCLUSIVE_OPLOCK|BATCH_OPLOCK))
  59                 printf("EXCLUSIVE+BATCH ");
  60         else if (e->op_type & EXCLUSIVE_OPLOCK)
  61                 printf("EXCLUSIVE       ");
  62         else if (e->op_type & BATCH_OPLOCK)
  63                 printf("BATCH           ");
  64         else if (e->op_type & LEVEL_II_OPLOCK)
  65                 printf("LEVEL_II        ");
  66         else
  67                 printf("NONE            ");
  68         printf("</td>");
  69
  70         printf("<td>%s</td><td>%s</td></tr>\n",
  71                dos_to_unix(fname,False),tstring(e->time.tv_sec));
  72 }
  73
  74
  75 /* kill off any connections chosen by the user */
  76 static int traverse_fn1(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
  77 {
  78         struct connections_data crec;
  79         memcpy(&crec, dbuf.dptr, sizeof(crec));
  80
  81         if (crec.cnum == -1 && process_exists(crec.pid)) {
  82                 char buf[30];
  83                 slprintf(buf,sizeof(buf)-1,"kill_%d", (int)crec.pid);
  84                 if (cgi_variable(buf)) {
  85                         kill_pid(crec.pid);
  86                 }
  87         }
  88         return 0;
  89 }
  90
  91 /* traversal fn for showing machine connections */
  92 static int traverse_fn2(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
  93 {
  94         struct connections_data crec;
  95         memcpy(&crec, dbuf.dptr, sizeof(crec));
  96
  97         if (crec.cnum != -1 || !process_exists(crec.pid) ||
  98             (crec.pid == smbd_pid)) return 0;
  99
 100         printf("<tr><td>%d</td><td>%s</td><td>%s</td><td>%s</td>\n",
 101                (int)crec.pid,
 102                crec.machine,crec.addr,
 103                tstring(crec.start));
 104         if (geteuid() == 0) {
 105                 printf("<td><input type=submit value=\"X\" name=\"kill_%d\"></td>\n",
 106                        (int)crec.pid);
 107         }
 108         printf("</tr>\n");
 109
 110         return 0;
 111 }
 112
 113 /* traversal fn for showing share connections */
 114 static int traverse_fn3(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
 115 {
 116         struct connections_data crec;
 117         memcpy(&crec, dbuf.dptr, sizeof(crec));
 118
 119         if (crec.cnum == -1 || !process_exists(crec.pid)) return 0;
 120
 121         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%d</td><td>%s</td><td>%s</td></tr>\n",
 122                crec.name,uidtoname(crec.uid),
 123                gidtoname(crec.gid),(int)crec.pid,
 124                crec.machine,
 125                tstring(crec.start));
 126         return 0;
 127 }
 128
 129
 130 /* show the current server status */
 131 void status_page(void)
 132 {
 133         char *v;
 134         int autorefresh=0;
 135         int refresh_interval=30;
 136         TDB_CONTEXT *tdb;
 137
 138         smbd_pid = pidfile_pid("smbd");
 139
 140         if (cgi_variable("smbd_restart")) {
 141                 stop_smbd();
 142                 start_smbd();
 143         }
 144
 145         if (cgi_variable("smbd_start")) {
 146                 start_smbd();
 147         }
 148
 149         if (cgi_variable("smbd_stop")) {
 150                 stop_smbd();
 151         }
 152
 153         if (cgi_variable("nmbd_restart")) {
 154                 stop_nmbd();
 155                 start_nmbd();
 156         }
 157         if (cgi_variable("nmbd_start")) {
 158                 start_nmbd();
 159         }
 160
 161         if (cgi_variable("nmbd_stop")) {
 162                 stop_nmbd();
 163         }
 164
 165         if (cgi_variable("autorefresh")) {
 166                 autorefresh = 1;
 167         } else if (cgi_variable("norefresh")) {
 168                 autorefresh = 0;
 169         } else if (cgi_variable("refresh")) {
 170                 autorefresh = 1;
 171         }
 172
 173         if ((v=cgi_variable("refresh_interval"))) {
 174                 refresh_interval = atoi(v);
 175         }
 176
 177         tdb = tdb_open(lock_path("connections.tdb"), 0, 0, O_RDONLY, 0);
 178         if (tdb) tdb_traverse(tdb, traverse_fn1, NULL);
 179
 180         printf("<H2>Server Status</H2>\n");
 181
 182         printf("<FORM method=post>\n");
 183
 184         if (!autorefresh) {
 185                 printf("<input type=submit value=\"Auto Refresh\" name=autorefresh>\n");
 186                 printf("<br>Refresh Interval: ");
 187                 printf("<input type=text size=2 name=\"refresh_interval\" value=%d>\n",
 188                        refresh_interval);
 189         } else {
 190                 printf("<input type=submit value=\"Stop Refreshing\" name=norefresh>\n");
 191                 printf("<br>Refresh Interval: %d\n", refresh_interval);
 192                 printf("<input type=hidden name=refresh value=1>\n");
 193         }
 194
 195         printf("<p>\n");
 196
 197         if (!tdb) {
 198                 /* open failure either means no connections have been
 199                    made or status=no */
 200                 if (!lp_status(-1))
 201                         printf("You need to have status=yes in your smb config file\n");
 202         }
 203
 204
 205         printf("<table>\n");
 206
 207         printf("<tr><td>version:</td><td>%s</td></tr>",VERSION);
 208
 209         fflush(stdout);
 210         printf("<tr><td>smbd:</td><td>%srunning</td>\n",smbd_running()?"":"not ");
 211         if (geteuid() == 0) {
 212             if (smbd_running()) {
 213                 printf("<td><input type=submit name=\"smbd_stop\" value=\"Stop smbd\"></td>\n");
 214             } else {
 215                 printf("<td><input type=submit name=\"smbd_start\" value=\"Start smbd\"></td>\n");
 216             }
 217             printf("<td><input type=submit name=\"smbd_restart\" value=\"Restart smbd\"></td>\n");
 218         }
 219         printf("</tr>\n");
 220
 221         fflush(stdout);
 222         printf("<tr><td>nmbd:</td><td>%srunning</td>\n",nmbd_running()?"":"not ");
 223         if (geteuid() == 0) {
 224             if (nmbd_running()) {
 225                 printf("<td><input type=submit name=\"nmbd_stop\" value=\"Stop nmbd\"></td>\n");
 226             } else {
 227                 printf("<td><input type=submit name=\"nmbd_start\" value=\"Start nmbd\"></td>\n");
 228             }
 229             printf("<td><input type=submit name=\"nmbd_restart\" value=\"Restart nmbd\"></td>\n");
 230         }
 231         printf("</tr>\n");
 232
 233         printf("</table>\n");
 234         fflush(stdout);
 235
 236         printf("<p><h3>Active Connections</h3>\n");
 237         printf("<table border=1>\n");
 238         printf("<tr><th>PID</th><th>Client</th><th>IP address</th><th>Date</th>\n");
 239         if (geteuid() == 0) {
 240                 printf("<th>Kill</th>\n");
 241         }
 242         printf("</tr>\n");
 243
 244         if (tdb) tdb_traverse(tdb, traverse_fn2, NULL);
 245
 246         printf("</table><p>\n");
 247
 248         printf("<p><h3>Active Shares</h3>\n");
 249         printf("<table border=1>\n");
 250         printf("<tr><th>Share</th><th>User</th><th>Group</th><th>PID</th><th>Client</th><th>Date</th></tr>\n\n");
 251
 252         if (tdb) tdb_traverse(tdb, traverse_fn3, NULL);
 253
 254         printf("</table><p>\n");
 255
 256         printf("<h3>Open Files</h3>\n");
 257         printf("<table border=1>\n");
 258         printf("<tr><th>PID</th><th>Sharing</th><th>R/W</th><th>Oplock</th><th>File</th><th>Date</th></tr>\n");
 259
 260         locking_init(1);
 261         share_mode_forall(print_share_mode);
 262         locking_end();
 263         printf("</table>\n");
 264
 265         if (tdb) tdb_close(tdb);
 266
 267         printf("</FORM>\n");
 268
 269         if (autorefresh) {
 270                 /* this little JavaScript allows for automatic refresh
 271                    of the page. There are other methods but this seems
 272                    to be the best alternative */
 273                 printf("<script language=\"JavaScript\">\n");
 274                 printf("<!--\nsetTimeout('window.location.replace(\"%s/status?refresh_interval=%d&refresh=1\")', %d)\n",
 275                        cgi_baseurl(),
 276                        refresh_interval,
 277                        refresh_interval*1000);
 278                 printf("//-->\n</script>\n");
 279         }
 280 }
 281