source/web/statuspage.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 2.2.
   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
  80         if (dbuf.dsize != sizeof(crec))
  81                 return 0;
  82
  83         memcpy(&crec, dbuf.dptr, sizeof(crec));
  84
  85         if (crec.cnum == -1 && process_exists(crec.pid)) {
  86                 char buf[30];
  87                 slprintf(buf,sizeof(buf)-1,"kill_%d", (int)crec.pid);
  88                 if (cgi_variable(buf)) {
  89                         kill_pid(crec.pid);
  90                 }
  91         }
  92         return 0;
  93 }
  94
  95 /* traversal fn for showing machine connections */
  96 static int traverse_fn2(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
  97 {
  98         struct connections_data crec;
  99
 100         if (dbuf.dsize != sizeof(crec))
 101                 return 0;
 102
 103         memcpy(&crec, dbuf.dptr, sizeof(crec));
 104
 105         if (crec.cnum != -1 || !process_exists(crec.pid) || (crec.pid == smbd_pid))
 106                 return 0;
 107
 108         printf("<tr><td>%d</td><td>%s</td><td>%s</td><td>%s</td>\n",
 109                (int)crec.pid,
 110                crec.machine,crec.addr,
 111                tstring(crec.start));
 112         if (geteuid() == 0) {
 113                 printf("<td><input type=submit value=\"X\" name=\"kill_%d\"></td>\n",
 114                        (int)crec.pid);
 115         }
 116         printf("</tr>\n");
 117
 118         return 0;
 119 }
 120
 121 /* traversal fn for showing share connections */
 122 static int traverse_fn3(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state)
 123 {
 124         struct connections_data crec;
 125
 126         if (dbuf.dsize != sizeof(crec))
 127                 return 0;
 128
 129         memcpy(&crec, dbuf.dptr, sizeof(crec));
 130
 131         if (crec.cnum == -1 || !process_exists(crec.pid))
 132                 return 0;
 133
 134         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%d</td><td>%s</td><td>%s</td></tr>\n",
 135                crec.name,uidtoname(crec.uid),
 136                gidtoname(crec.gid),(int)crec.pid,
 137                crec.machine,
 138                tstring(crec.start));
 139         return 0;
 140 }
 141
 142
 143 /* show the current server status */
 144 void status_page(void)
 145 {
 146         char *v;
 147         int autorefresh=0;
 148         int refresh_interval=30;
 149         TDB_CONTEXT *tdb;
 150
 151         smbd_pid = pidfile_pid("smbd");
 152
 153         if (cgi_variable("smbd_restart")) {
 154                 stop_smbd();
 155                 start_smbd();
 156         }
 157
 158         if (cgi_variable("smbd_start")) {
 159                 start_smbd();
 160         }
 161
 162         if (cgi_variable("smbd_stop")) {
 163                 stop_smbd();
 164         }
 165
 166         if (cgi_variable("nmbd_restart")) {
 167                 stop_nmbd();
 168                 start_nmbd();
 169         }
 170         if (cgi_variable("nmbd_start")) {
 171                 start_nmbd();
 172         }
 173
 174         if (cgi_variable("nmbd_stop")) {
 175                 stop_nmbd();
 176         }
 177
 178         if (cgi_variable("autorefresh")) {
 179                 autorefresh = 1;
 180         } else if (cgi_variable("norefresh")) {
 181                 autorefresh = 0;
 182         } else if (cgi_variable("refresh")) {
 183                 autorefresh = 1;
 184         }
 185
 186         if ((v=cgi_variable("refresh_interval"))) {
 187                 refresh_interval = atoi(v);
 188         }
 189
 190         tdb = tdb_open_log(lock_path("connections.tdb"), 0, 0, O_RDONLY, 0);
 191         if (tdb) tdb_traverse(tdb, traverse_fn1, NULL);
 192
 193         printf("<H2>Server Status</H2>\n");
 194
 195         printf("<FORM method=post>\n");
 196
 197         if (!autorefresh) {
 198                 printf("<input type=submit value=\"Auto Refresh\" name=autorefresh>\n");
 199                 printf("<br>Refresh Interval: ");
 200                 printf("<input type=text size=2 name=\"refresh_interval\" value=%d>\n",
 201                        refresh_interval);
 202         } else {
 203                 printf("<input type=submit value=\"Stop Refreshing\" name=norefresh>\n");
 204                 printf("<br>Refresh Interval: %d\n", refresh_interval);
 205                 printf("<input type=hidden name=refresh value=1>\n");
 206         }
 207
 208         printf("<p>\n");
 209
 210         if (!tdb) {
 211                 /* open failure either means no connections have been
 212                    made or status=no */
 213                 if (!lp_status(-1))
 214                         printf("You need to have status=yes in your smb config file\n");
 215         }
 216
 217
 218         printf("<table>\n");
 219
 220         printf("<tr><td>version:</td><td>%s</td></tr>",VERSION);
 221
 222         fflush(stdout);
 223         printf("<tr><td>smbd:</td><td>%srunning</td>\n",smbd_running()?"":"not ");
 224         if (geteuid() == 0) {
 225             if (smbd_running()) {
 226                 printf("<td><input type=submit name=\"smbd_stop\" value=\"Stop smbd\"></td>\n");
 227             } else {
 228                 printf("<td><input type=submit name=\"smbd_start\" value=\"Start smbd\"></td>\n");
 229             }
 230             printf("<td><input type=submit name=\"smbd_restart\" value=\"Restart smbd\"></td>\n");
 231         }
 232         printf("</tr>\n");
 233
 234         fflush(stdout);
 235         printf("<tr><td>nmbd:</td><td>%srunning</td>\n",nmbd_running()?"":"not ");
 236         if (geteuid() == 0) {
 237             if (nmbd_running()) {
 238                 printf("<td><input type=submit name=\"nmbd_stop\" value=\"Stop nmbd\"></td>\n");
 239             } else {
 240                 printf("<td><input type=submit name=\"nmbd_start\" value=\"Start nmbd\"></td>\n");
 241             }
 242             printf("<td><input type=submit name=\"nmbd_restart\" value=\"Restart nmbd\"></td>\n");
 243         }
 244         printf("</tr>\n");
 245
 246         printf("</table>\n");
 247         fflush(stdout);
 248
 249         printf("<p><h3>Active Connections</h3>\n");
 250         printf("<table border=1>\n");
 251         printf("<tr><th>PID</th><th>Client</th><th>IP address</th><th>Date</th>\n");
 252         if (geteuid() == 0) {
 253                 printf("<th>Kill</th>\n");
 254         }
 255         printf("</tr>\n");
 256
 257         if (tdb) tdb_traverse(tdb, traverse_fn2, NULL);
 258
 259         printf("</table><p>\n");
 260
 261         printf("<p><h3>Active Shares</h3>\n");
 262         printf("<table border=1>\n");
 263         printf("<tr><th>Share</th><th>User</th><th>Group</th><th>PID</th><th>Client</th><th>Date</th></tr>\n\n");
 264
 265         if (tdb) tdb_traverse(tdb, traverse_fn3, NULL);
 266
 267         printf("</table><p>\n");
 268
 269         printf("<h3>Open Files</h3>\n");
 270         printf("<table border=1>\n");
 271         printf("<tr><th>PID</th><th>Sharing</th><th>R/W</th><th>Oplock</th><th>File</th><th>Date</th></tr>\n");
 272
 273         locking_init(1);
 274         share_mode_forall(print_share_mode);
 275         locking_end();
 276         printf("</table>\n");
 277
 278         if (tdb) tdb_close(tdb);
 279
 280         printf("</FORM>\n");
 281
 282         if (autorefresh) {
 283                 /* this little JavaScript allows for automatic refresh
 284                    of the page. There are other methods but this seems
 285                    to be the best alternative */
 286                 printf("<script language=\"JavaScript\">\n");
 287                 printf("<!--\nsetTimeout('window.location.replace(\"%s/status?refresh_interval=%d&refresh=1\")', %d)\n",
 288                        cgi_baseurl(),
 289                        refresh_interval,
 290                        refresh_interval*1000);
 291                 printf("//-->\n</script>\n");
 292         }
 293 }