zebra/ipforward_ews.c

   1 /*
   2  * Ipforward value get function for NEC EWS.
   3  * Copyright (C) 1997 Kunihiro Ishiguro
   4  *
   5  * This file is part of GNU Zebra.
   6  *
   7  * GNU Zebra is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2, or (at your option) any
  10  * later version.
  11  *
  12  * GNU Zebra is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
  19  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20  * 02111-1307, USA.
  21  */
  22
  23 #include <zebra.h>
  24
  25 int
  26 ipforward ()
  27 {
  28   int fd;
  29   char buf[BUFSIZ];
  30   struct mioc_rksym rks;
  31
  32   fd = open ("/dev/kmem", O_RDWR);
  33   if (fd < 0) {
  34     /* need logging here */
  35     return -1;
  36   }
  37
  38   rks.mirk_symname = "ipforwarding";
  39   rks.mirk_buf = buf;
  40   rks.mirk_buflen = sizeof (int);
  41
  42   if (ioctl (fd, MIOC_READKSYM, &rks) < 0) {
  43     /* need logging here */
  44     return -1;
  45   }
  46   close (fd);
  47   return *(int *)buf;
  48 }
  49
  50 int
  51 ipforward_on ()
  52 {
  53   ;
  54 }
  55
  56 int
  57 ipforward_off ()
  58 {
  59   ;
  60 }