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 /* show the current server status */
  75 void status_page(void)
  76 {
  77         struct connect_record crec;
  78         pstring fname;
  79         FILE *f;
  80         char *v;
  81         int autorefresh=0;
  82         int refresh_interval=30;
  83
  84         if (cgi_variable("smbd_restart")) {
  85                 if (smbd_running())
  86                         stop_smbd();
  87                 start_smbd();
  88         }
  89
  90         if (cgi_variable("smbd_start")) {
  91                 start_smbd();
  92         }
  93
  94         if (cgi_variable("smbd_stop")) {
  95                 stop_smbd();
  96         }
  97
  98         if (cgi_variable("nmbd_restart")) {
  99                 if (nmbd_running())
 100                         stop_nmbd();
 101                 start_nmbd();
 102         }
 103         if (cgi_variable("nmbd_start")) {
 104                 start_nmbd();
 105         }
 106
 107         if (cgi_variable("nmbd_stop")) {
 108                 stop_nmbd();
 109         }
 110
 111         if (cgi_variable("autorefresh")) {
 112                 autorefresh = 1;
 113         } else if (cgi_variable("norefresh")) {
 114                 autorefresh = 0;
 115         } else if (cgi_variable("refresh")) {
 116                 autorefresh = 1;
 117         }
 118
 119         if ((v=cgi_variable("refresh_interval"))) {
 120                 refresh_interval = atoi(v);
 121         }
 122
 123         pstrcpy(fname,lp_lockdir());
 124         standard_sub_basic(fname);
 125         trim_string(fname,"","/");
 126         pstrcat(fname,"/STATUS..LCK");
 127
 128
 129         f = sys_fopen(fname,"r");
 130         if (f) {
 131                 while (!feof(f)) {
 132                         if (fread(&crec,sizeof(crec),1,f) != 1) break;
 133                         if (crec.magic == 0x280267 && crec.cnum == -1 &&
 134                             process_exists(crec.pid)) {
 135                                 char buf[30];
 136                                 slprintf(buf,sizeof(buf)-1,"kill_%d", (int)crec.pid);
 137                                 if (cgi_variable(buf)) {
 138                                         kill_pid(crec.pid);
 139                                 }
 140                         }
 141                 }
 142                 fclose(f);
 143         }
 144
 145         printf("<H2>Server Status</H2>\n");
 146
 147         printf("<FORM method=post>\n");
 148
 149         if (!autorefresh) {
 150                 printf("<input type=submit value=\"Auto Refresh\" name=autorefresh>\n");
 151                 printf("<br>Refresh Interval: ");
 152                 printf("<input type=text size=2 name=\"refresh_interval\" value=%d>\n",
 153                        refresh_interval);
 154         } else {
 155                 printf("<input type=submit value=\"Stop Refreshing\" name=norefresh>\n");
 156                 printf("<br>Refresh Interval: %d\n", refresh_interval);
 157                 printf("<input type=hidden name=refresh value=1>\n");
 158         }
 159
 160         printf("<p>\n");
 161
 162         f = sys_fopen(fname,"r");
 163         if (!f) {
 164                 /* open failure either means no connections have been
 165                    made or status=no */
 166                 if (!lp_status(-1))
 167                         printf("You need to have status=yes in your smb config file\n");
 168         }
 169
 170
 171         printf("<table>\n");
 172
 173         printf("<tr><td>version:</td><td>%s</td></tr>",VERSION);
 174
 175         fflush(stdout);
 176         printf("<tr><td>smbd:</td><td>%srunning</td>\n",smbd_running()?"":"not ");
 177         if (geteuid() == 0) {
 178             if (smbd_running()) {
 179                 printf("<td><input type=submit name=\"smbd_stop\" value=\"Stop smbd\"></td>\n");
 180             } else {
 181                 printf("<td><input type=submit name=\"smbd_start\" value=\"Start smbd\"></td>\n");
 182             }
 183             printf("<td><input type=submit name=\"smbd_restart\" value=\"Restart smbd\"></td>\n");
 184         }
 185         printf("</tr>\n");
 186
 187         fflush(stdout);
 188         printf("<tr><td>nmbd:</td><td>%srunning</td>\n",nmbd_running()?"":"not ");
 189         if (geteuid() == 0) {
 190             if (nmbd_running()) {
 191                 printf("<td><input type=submit name=\"nmbd_stop\" value=\"Stop nmbd\"></td>\n");
 192             } else {
 193                 printf("<td><input type=submit name=\"nmbd_start\" value=\"Start nmbd\"></td>\n");
 194             }
 195             printf("<td><input type=submit name=\"nmbd_restart\" value=\"Restart nmbd\"></td>\n");
 196         }
 197         printf("</tr>\n");
 198
 199         printf("</table>\n");
 200         fflush(stdout);
 201
 202         printf("<p><h3>Active Connections</h3>\n");
 203         printf("<table border=1>\n");
 204         printf("<tr><th>PID</th><th>Client</th><th>IP address</th><th>Date</th>\n");
 205         if (geteuid() == 0) {
 206                 printf("<th>Kill</th>\n");
 207         }
 208         printf("</tr>\n");
 209
 210         while (f && !feof(f)) {
 211                 if (fread(&crec,sizeof(crec),1,f) != 1)
 212                         break;
 213                 if (crec.magic == 0x280267 &&
 214                     crec.cnum == -1 &&
 215                     process_exists(crec.pid)) {
 216                         printf("<tr><td>%d</td><td>%s</td><td>%s</td><td>%s</td>\n",
 217                                (int)crec.pid,
 218                                crec.machine,crec.addr,
 219                                tstring(crec.start));
 220                         if (geteuid() == 0) {
 221                             printf("<td><input type=submit value=\"X\" name=\"kill_%d\"></td>\n",
 222                                (int)crec.pid);
 223                         }
 224                         printf("</tr>\n");
 225                 }
 226         }
 227
 228         printf("</table><p>\n");
 229
 230         if (f) fseek(f, 0, SEEK_SET);
 231
 232         printf("<p><h3>Active Shares</h3>\n");
 233         printf("<table border=1>\n");
 234         printf("<tr><th>Share</th><th>User</th><th>Group</th><th>PID</th><th>Client</th><th>Date</th></tr>\n\n");
 235
 236         while (f && !feof(f)) {
 237                 if (fread(&crec,sizeof(crec),1,f) != 1)
 238                         break;
 239                 if (crec.cnum == -1) continue;
 240                 if (crec.magic == 0x280267 && process_exists(crec.pid)) {
 241                         printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%d</td><td>%s</td><td>%s</td></tr>\n",
 242                                crec.name,uidtoname(crec.uid),
 243                                gidtoname(crec.gid),(int)crec.pid,
 244                                crec.machine,
 245                                tstring(crec.start));
 246                 }
 247         }
 248
 249         printf("</table><p>\n");
 250
 251         printf("<h3>Open Files</h3>\n");
 252         printf("<table border=1>\n");
 253         printf("<tr><th>PID</th><th>Sharing</th><th>R/W</th><th>Oplock</th><th>File</th><th>Date</th></tr>\n");
 254
 255         locking_init(1);
 256         share_mode_forall(print_share_mode);
 257         locking_end();
 258         printf("</table>\n");
 259
 260         if (f) fclose(f);
 261
 262         printf("</FORM>\n");
 263
 264         if (autorefresh) {
 265                 /* this little JavaScript allows for automatic refresh
 266                    of the page. There are other methods but this seems
 267                    to be the best alternative */
 268                 printf("<script language=\"JavaScript\">\n");
 269                 printf("<!--\nsetTimeout('window.location.replace(\"%s/status?refresh_interval=%d&refresh=1\")', %d)\n",
 270                        cgi_baseurl(),
 271                        refresh_interval,
 272                        refresh_interval*1000);
 273                 printf("//-->\n</script>\n");
 274         }
 275 }
 276