ipforward_ews.c

来自「大名鼎鼎的路由器源码。程序分ZEBRA、OSPFRIP等3个包。程序框架采用一个」· C语言 代码 · 共 61 行

/*
 * Ipforward value get function for NEC EWS.
 * Copyright (C) 1997 Kunihiro Ishiguro
 *
 * This file is part of GNU Zebra.
 *
 * GNU Zebra is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * GNU Zebra is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNU Zebra; see the file COPYING.  If not, write to the Free
 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.  
 */

#include <zebra.h>

int
ipforward ()
{
  int fd;
  char buf[BUFSIZ];
  struct mioc_rksym rks;

  fd = open ("/dev/kmem", O_RDWR);
  if (fd < 0) {
    /* need logging here */
    return -1;
  }

  rks.mirk_symname = "ipforwarding";
  rks.mirk_buf = buf;
  rks.mirk_buflen = sizeof (int);

  if (ioctl (fd, MIOC_READKSYM, &rks) < 0) {
    /* need logging here */
    return -1;
  }
  close (fd);
  return *(int *)buf;
}

int
ipforward_on ()
{
  ;
}

int
ipforward_off ()
{
  ;
}