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/*-
* Copyright (c) 2008 Andrew Thompson. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <stdlib.h>
#include <unistd.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_gre.h>
#include <net/route.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <err.h>
#include <errno.h>
#include "ifconfig.h"
static void gre_status(int s);
static void
gre_status(int s)
{
int grekey = 0;
ifr.ifr_data = (caddr_t)&grekey;
if (ioctl(s, GREGKEY, &ifr) == 0)
if (grekey != 0)
printf("\tgrekey: %d\n", grekey);
}
static void
setifgrekey(const char *val, int dummy __unused, int s,
const struct afswtch *afp)
{
uint32_t grekey = atol(val);
strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
ifr.ifr_data = (caddr_t)&grekey;
if (ioctl(s, GRESKEY, (caddr_t)&ifr) < 0)
warn("ioctl (set grekey)");
}
static struct cmd gre_cmds[] = {
DEF_CMD_ARG("grekey", setifgrekey),
};
static struct afswtch af_gre = {
.af_name = "af_gre",
.af_af = AF_UNSPEC,
.af_other_status = gre_status,
};
static __constructor void
gre_ctor(void)
{
#define N(a) (sizeof(a) / sizeof(a[0]))
size_t i;
for (i = 0; i < N(gre_cmds); i++)
cmd_register(&gre_cmds[i]);
af_register(&af_gre);
#undef N
}
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