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
  25 static char *tstring(time_t t)
  26 {
  27         static pstring buf;
  28         pstrcpy(buf, asctime(LocalTime(&t)));
  29         all_string_sub(buf," ","&nbsp;");
  30         return buf;
  31 }
  32
  33 static void print_share_mode(share_mode_entry *e, char *fname)
  34 {
  35         printf("<tr><td>%d</td>",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
  64                 printf("NONE            ");
  65         printf("</td>");
  66
  67         printf("<td>%s</td><td>%s</td></tr>\n",
  68                fname,tstring(e->time.tv_sec));
  69 }
  70
  71
  72 /* show the current server status */
  73 void status_page(void)
  74 {
  75         struct connect_record crec;
  76         pstring fname;
  77         FILE *f;
  78         char *v;
  79         int autorefresh=0;
  80         int refresh_interval=30;
  81
  82         if (cgi_variable("smbd_restart")) {
  83                 if (smbd_running())
  84                         stop_smbd();
  85                 start_smbd();
  86         }
  87
  88         if (cgi_variable("smbd_start")) {
  89                 start_smbd();
  90         }
  91
  92         if (cgi_variable("smbd_stop")) {
  93                 stop_smbd();
  94         }
  95
  96         if (cgi_variable("nmbd_restart")) {
  97                 if (nmbd_running())
  98                         stop_nmbd();
  99                 start_nmbd();
 100         }
 101         if (cgi_variable("nmbd_start")) {
 102                 start_nmbd();
 103         }
 104
 105         if (cgi_variable("nmbd_stop")) {
 106                 stop_nmbd();
 107         }
 108
 109         if (cgi_variable("autorefresh")) {
 110                 autorefresh = 1;
 111         } else if (cgi_variable("norefresh")) {
 112                 autorefresh = 0;
 113         } else if (cgi_variable("refresh")) {
 114                 autorefresh = 1;
 115         }
 116
 117         if ((v=cgi_variable("refresh_interval"))) {
 118                 refresh_interval = atoi(v);
 119         }
 120
 121         pstrcpy(fname,lp_lockdir());
 122         standard_sub_basic(fname);
 123         trim_string(fname,"","/");
 124         pstrcat(fname,"/STATUS..LCK");
 125
 126
 127         f = sys_fopen(fname,"r");
 128         if (f) {
 129                 while (!feof(f)) {
 130                         if (fread(&crec,sizeof(crec),1,f) != 1) break;
 131                         if (crec.magic == 0x280267 && crec.cnum == -1 &&
 132                             process_exists(crec.pid)) {
 133                                 char buf[30];
 134                                 slprintf(buf,sizeof(buf)-1,"kill_%d", crec.pid);
 135                                 if (cgi_variable(buf)) {
 136                                         kill_pid(crec.pid);
 137                                 }
 138                         }
 139                 }
 140                 fclose(f);
 141         }
 142
 143         printf("<H2>Server Status</H2>\n");
 144
 145         printf("<FORM method=post>\n");
 146
 147         if (!autorefresh) {
 148                 printf("<input type=submit value=\"Auto Refresh\" name=autorefresh>\n");
 149                 printf("<br>Refresh Interval: ");
 150                 printf("<input type=text size=2 name=\"refresh_interval\" value=%d>\n",
 151                        refresh_interval);
 152         } else {
 153                 printf("<input type=submit value=\"Stop Refreshing\" name=norefresh>\n");
 154                 printf("<br>Refresh Interval: %d\n", refresh_interval);
 155                 printf("<input type=hidden name=refresh value=1>\n");
 156         }
 157
 158         printf("<p>\n");
 159
 160         f = sys_fopen(fname,"r");
 161         if (!f) {
 162                 printf("Couldn't open status file %s\n",fname);
 163                 if (!lp_status(-1))
 164                         printf("You need to have status=yes in your smb config file\n");
 165                 return;
 166         }
 167
 168
 169         printf("<table>\n");
 170
 171         printf("<tr><td>version:</td><td>%s</td></tr>",VERSION);
 172
 173         fflush(stdout);
 174         if (smbd_running()) {
 175                 printf("<tr><td>smbd:</td><td>running</td><td><input type=submit name=\"smbd_stop\" value=\"Stop smbd\"></td><td><input type=submit name=\"smbd_restart\" value=\"Restart smbd\"></td></tr>\n");
 176         } else {
 177                 printf("<tr><td>smbd:</td><td>not running</td><td><input type=submit name=\"smbd_start\" value=\"Start smbd\"></td>><td><input type=submit name=\"smbd_restart\" value=\"Restart smbd\"></td></tr>\n");
 178         }
 179
 180         fflush(stdout);
 181         if (nmbd_running()) {
 182                 printf("<tr><td>nmbd:</td><td>running</td><td><input type=submit name=\"nmbd_stop\" value=\"Stop nmbd\"></td><td><input type=submit name=\"nmbd_restart\" value=\"Restart nmbd\"></td></tr>\n");
 183         } else {
 184                 printf("<tr><td>nmbd:</td><td>not running</td><td><input type=submit name=\"nmbd_start\" value=\"Start nmbd\"></td><td><input type=submit name=\"nmbd_restart\" value=\"Restart nmbd\"></td></tr>\n");
 185         }
 186
 187         printf("</table>\n");
 188         fflush(stdout);
 189
 190
 191         if (geteuid() != 0)
 192                 printf("<b>NOTE: You are not logged in as root and won't be able to start/stop the server</b><p>\n");
 193
 194         printf("<p><h3>Active Connections</h3>\n");
 195         printf("<table border=1>\n");
 196         printf("<tr><th>PID</th><th>Client</th><th>IP address</th><th>Date</th><th>Kill</th></tr>\n");
 197
 198         while (!feof(f)) {
 199                 if (fread(&crec,sizeof(crec),1,f) != 1)
 200                         break;
 201                 if (crec.magic == 0x280267 &&
 202                     crec.cnum == -1 &&
 203                     process_exists(crec.pid)) {
 204                         printf("<tr><td>%d</td><td>%s</td><td>%s</td><td>%s</td><td><input type=submit value=\"X\" name=\"kill_%d\"></td></tr>\n",
 205                                crec.pid,
 206                                crec.machine,crec.addr,
 207                                tstring(crec.start),
 208                                crec.pid);
 209                 }
 210         }
 211
 212         printf("</table><p>\n");
 213
 214         fseek(f, 0, SEEK_SET);
 215
 216         printf("<p><h3>Active Shares</h3>\n");
 217         printf("<table border=1>\n");
 218         printf("<tr><th>Share</th><th>User</th><th>Group</th><th>PID</th><th>Client</th><th>Date</th></tr>\n\n");
 219
 220         while (!feof(f)) {
 221                 if (fread(&crec,sizeof(crec),1,f) != 1)
 222                         break;
 223                 if (crec.cnum == -1) continue;
 224                 if (crec.magic == 0x280267 && process_exists(crec.pid)) {
 225                         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%d</td><td>%s</td><td>%s</td></tr>\n",
 226                                crec.name,uidtoname(crec.uid),
 227                                gidtoname(crec.gid),crec.pid,
 228                                crec.machine,
 229                                tstring(crec.start));
 230                 }
 231         }
 232
 233         printf("</table><p>\n");
 234
 235         printf("<h3>Open Files</h3>\n");
 236         printf("<table border=1>\n");
 237         printf("<tr><th>PID</th><th>Sharing</th><th>R/W</th><th>Oplock</th><th>File</th><th>Date</th></tr>\n");
 238
 239         locking_init(1);
 240         share_mode_forall(print_share_mode);
 241         locking_end();
 242         printf("</table>\n");
 243
 244         fclose(f);
 245
 246         printf("</FORM>\n");
 247
 248         if (autorefresh) {
 249                 /* this little JavaScript allows for automatic refresh
 250                    of the page. There are other methods but this seems
 251                    to be the best alternative */
 252                 printf("<script language=\"JavaScript\">\n");
 253                 printf("<!--\nsetTimeout('window.location.replace(\"%s/status?refresh_interval=%d&refresh=1\")', %d)\n",
 254                        cgi_baseurl(),
 255                        refresh_interval,
 256                        refresh_interval*1000);
 257                 printf("//-->\n</script>\n");
 258         }
 259 }
 260