source3/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
  25 static char *tstring(time_t t)
  26 {
  27         static pstring buf;
  28         pstrcpy(buf, asctime(LocalTime(&t)));
  29         all_string_sub(buf," ","&nbsp;",sizeof(buf));
  30         return buf;
  31 }
  32
  33 static void print_share_mode(share_mode_entry *e, char *fname)
  34 {
  35         printf("<tr><td>%d</td>",(int)e->pid);
  36         printf("<td>");
  37         switch ((e->share_mode>>4)&0xF) {
  38         case DENY_NONE: printf("DENY_NONE"); break;
  39         case DENY_ALL:  printf("DENY_ALL   "); break;
  40         case DENY_DOS:  printf("DENY_DOS   "); break;
  41         case DENY_READ: printf("DENY_READ  "); break;
  42         case DENY_WRITE:printf("DENY_WRITE "); break;
  43         }
  44         printf("</td>");
  45
  46         printf("<td>");
  47         switch (e->share_mode&0xF) {
  48         case 0: printf("RDONLY     "); break;
  49         case 1: printf("WRONLY     "); break;
  50         case 2: printf("RDWR       "); break;
  51         }
  52         printf("</td>");
  53
  54         printf("<td>");
  55         if((e->op_type &
  56             (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
  57            (EXCLUSIVE_OPLOCK|BATCH_OPLOCK))
  58                 printf("EXCLUSIVE+BATCH ");
  59         else if (e->op_type & EXCLUSIVE_OPLOCK)
  60                 printf("EXCLUSIVE       ");
  61         else if (e->op_type & BATCH_OPLOCK)
  62                 printf("BATCH           ");
  63         else if (e->op_type & LEVEL_II_OPLOCK)
  64                 printf("LEVEL_II        ");
  65         else
  66                 printf("NONE            ");
  67         printf("</td>");
  68
  69         printf("<td>%s</td><td>%s</td></tr>\n",
  70                dos_to_unix(fname,False),tstring(e->time.tv_sec));
  71 }
  72
  73
  74 /* kill off any connections chosen by the user */
  75 static int traverse_fn1(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
  76 {
  77         struct connections_data crec;
  78         memcpy(&crec, dbuf.dptr, sizeof(crec));
  79
  80         if (crec.cnum == -1 && process_exists(crec.pid)) {
  81                 char buf[30];
  82                 slprintf(buf,sizeof(buf)-1,"kill_%d", (int)crec.pid);
  83                 if (cgi_variable(buf)) {
  84                         kill_pid(crec.pid);
  85                 }
  86         }
  87         return 0;
  88 }
  89
  90 /* traversal fn for showing machine connections */
  91 static int traverse_fn2(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
  92 {
  93         struct connections_data crec;
  94         memcpy(&crec, dbuf.dptr, sizeof(crec));
  95
  96         if (crec.cnum != -1 || !process_exists(crec.pid)) return 0;
  97
  98         printf("<tr><td>%d</td><td>%s</td><td>%s</td><td>%s</td>\n",
  99                (int)crec.pid,
 100                crec.machine,crec.addr,
 101                tstring(crec.start));
 102         if (geteuid() == 0) {
 103                 printf("<td><input type=submit value=\"X\" name=\"kill_%d\"></td>\n",
 104                        (int)crec.pid);
 105         }
 106         printf("</tr>\n");
 107
 108         return 0;
 109 }
 110
 111 /* traversal fn for showing share connections */
 112 static int traverse_fn3(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
 113 {
 114         struct connections_data crec;
 115         memcpy(&crec, dbuf.dptr, sizeof(crec));
 116
 117         if (crec.cnum == -1 || !process_exists(crec.pid)) return 0;
 118
 119         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%d</td><td>%s</td><td>%s</td></tr>\n",
 120                crec.name,uidtoname(crec.uid),
 121                gidtoname(crec.gid),(int)crec.pid,
 122                crec.machine,
 123                tstring(crec.start));
 124         return 0;
 125 }
 126
 127
 128 /* show the current server status */
 129 void status_page(void)
 130 {
 131         char *v;
 132         int autorefresh=0;
 133         int refresh_interval=30;
 134         TDB_CONTEXT *tdb;
 135
 136         if (cgi_variable("smbd_restart")) {
 137                 stop_smbd();
 138                 start_smbd();
 139         }
 140
 141         if (cgi_variable("smbd_start")) {
 142                 start_smbd();
 143         }
 144
 145         if (cgi_variable("smbd_stop")) {
 146                 stop_smbd();
 147         }
 148
 149         if (cgi_variable("nmbd_restart")) {
 150                 stop_nmbd();
 151                 start_nmbd();
 152         }
 153         if (cgi_variable("nmbd_start")) {
 154                 start_nmbd();
 155         }
 156
 157         if (cgi_variable("nmbd_stop")) {
 158                 stop_nmbd();
 159         }
 160
 161         if (cgi_variable("autorefresh")) {
 162                 autorefresh = 1;
 163         } else if (cgi_variable("norefresh")) {
 164                 autorefresh = 0;
 165         } else if (cgi_variable("refresh")) {
 166                 autorefresh = 1;
 167         }
 168
 169         if ((v=cgi_variable("refresh_interval"))) {
 170                 refresh_interval = atoi(v);
 171         }
 172
 173         tdb = tdb_open(lock_path("connections.tdb"), 0, 0, O_RDONLY, 0);
 174         if (tdb) tdb_traverse(tdb, traverse_fn1, NULL);
 175
 176         printf("<H2>Server Status</H2>\n");
 177
 178         printf("<FORM method=post>\n");
 179
 180         if (!autorefresh) {
 181                 printf("<input type=submit value=\"Auto Refresh\" name=autorefresh>\n");
 182                 printf("<br>Refresh Interval: ");
 183                 printf("<input type=text size=2 name=\"refresh_interval\" value=%d>\n",
 184                        refresh_interval);
 185         } else {
 186                 printf("<input type=submit value=\"Stop Refreshing\" name=norefresh>\n");
 187                 printf("<br>Refresh Interval: %d\n", refresh_interval);
 188                 printf("<input type=hidden name=refresh value=1>\n");
 189         }
 190
 191         printf("<p>\n");
 192
 193         if (!tdb) {
 194                 /* open failure either means no connections have been
 195                    made or status=no */
 196                 if (!lp_status(-1))
 197                         printf("You need to have status=yes in your smb config file\n");
 198         }
 199
 200
 201         printf("<table>\n");
 202
 203         printf("<tr><td>version:</td><td>%s</td></tr>",VERSION);
 204
 205         fflush(stdout);
 206         printf("<tr><td>smbd:</td><td>%srunning</td>\n",smbd_running()?"":"not ");
 207         if (geteuid() == 0) {
 208             if (smbd_running()) {
 209                 printf("<td><input type=submit name=\"smbd_stop\" value=\"Stop smbd\"></td>\n");
 210             } else {
 211                 printf("<td><input type=submit name=\"smbd_start\" value=\"Start smbd\"></td>\n");
 212             }
 213             printf("<td><input type=submit name=\"smbd_restart\" value=\"Restart smbd\"></td>\n");
 214         }
 215         printf("</tr>\n");
 216
 217         fflush(stdout);
 218         printf("<tr><td>nmbd:</td><td>%srunning</td>\n",nmbd_running()?"":"not ");
 219         if (geteuid() == 0) {
 220             if (nmbd_running()) {
 221                 printf("<td><input type=submit name=\"nmbd_stop\" value=\"Stop nmbd\"></td>\n");
 222             } else {
 223                 printf("<td><input type=submit name=\"nmbd_start\" value=\"Start nmbd\"></td>\n");
 224             }
 225             printf("<td><input type=submit name=\"nmbd_restart\" value=\"Restart nmbd\"></td>\n");
 226         }
 227         printf("</tr>\n");
 228
 229         printf("</table>\n");
 230         fflush(stdout);
 231
 232         printf("<p><h3>Active Connections</h3>\n");
 233         printf("<table border=1>\n");
 234         printf("<tr><th>PID</th><th>Client</th><th>IP address</th><th>Date</th>\n");
 235         if (geteuid() == 0) {
 236                 printf("<th>Kill</th>\n");
 237         }
 238         printf("</tr>\n");
 239
 240         if (tdb) tdb_traverse(tdb, traverse_fn2, NULL);
 241
 242         printf("</table><p>\n");
 243
 244         printf("<p><h3>Active Shares</h3>\n");
 245         printf("<table border=1>\n");
 246         printf("<tr><th>Share</th><th>User</th><th>Group</th><th>PID</th><th>Client</th><th>Date</th></tr>\n\n");
 247
 248         if (tdb) tdb_traverse(tdb, traverse_fn3, NULL);
 249
 250         printf("</table><p>\n");
 251
 252         printf("<h3>Open Files</h3>\n");
 253         printf("<table border=1>\n");
 254         printf("<tr><th>PID</th><th>Sharing</th><th>R/W</th><th>Oplock</th><th>File</th><th>Date</th></tr>\n");
 255
 256         locking_init(1);
 257         share_mode_forall(print_share_mode);
 258         locking_end();
 259         printf("</table>\n");
 260
 261         if (tdb) tdb_close(tdb);
 262
 263         printf("</FORM>\n");
 264
 265         if (autorefresh) {
 266                 /* this little JavaScript allows for automatic refresh
 267                    of the page. There are other methods but this seems
 268                    to be the best alternative */
 269                 printf("<script language=\"JavaScript\">\n");
 270                 printf("<!--\nsetTimeout('window.location.replace(\"%s/status?refresh_interval=%d&refresh=1\")', %d)\n",
 271                        cgi_baseurl(),
 272                        refresh_interval,
 273                        refresh_interval*1000);
 274                 printf("//-->\n</script>\n");
 275         }
 276 }
 277