mirror of
https://git.FreeBSD.org/src.git
synced 2024-11-25 07:49:18 +00:00
a68e4f7a06
Reviewed by: emaste Event: Kitchener-Waterloo Hackathon 202406 Differential Revision: https://reviews.freebsd.org/D45441
112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2009 Hiroki Sato. 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.
|
|
*/
|
|
|
|
#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_gif.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 const char *GIFBITS[] = {
|
|
[1] = "IGNORE_SOURCE",
|
|
};
|
|
|
|
static void
|
|
gif_status(if_ctx *ctx)
|
|
{
|
|
int opts;
|
|
struct ifreq ifr = { .ifr_data = (caddr_t)&opts };
|
|
|
|
if (ioctl_ctx_ifr(ctx, GIFGOPTS, &ifr) == -1)
|
|
return;
|
|
if (opts == 0)
|
|
return;
|
|
printf("\toptions=%x", opts);
|
|
print_bits("options", &opts, 1, GIFBITS, nitems(GIFBITS));
|
|
putchar('\n');
|
|
}
|
|
|
|
static void
|
|
setgifopts(if_ctx *ctx, const char *val __unused, int d)
|
|
{
|
|
int opts;
|
|
struct ifreq ifr = { .ifr_data = (caddr_t)&opts };
|
|
|
|
if (ioctl_ctx_ifr(ctx, GIFGOPTS, &ifr) == -1) {
|
|
warn("ioctl(GIFGOPTS)");
|
|
return;
|
|
}
|
|
|
|
if (d < 0)
|
|
opts &= ~(-d);
|
|
else
|
|
opts |= d;
|
|
|
|
if (ioctl_ctx(ctx, GIFSOPTS, &ifr) == -1) {
|
|
warn("ioctl(GIFSOPTS)");
|
|
return;
|
|
}
|
|
}
|
|
|
|
static struct cmd gif_cmds[] = {
|
|
DEF_CMD("ignore_source", GIF_IGNORE_SOURCE, setgifopts),
|
|
DEF_CMD("-ignore_source", -GIF_IGNORE_SOURCE, setgifopts),
|
|
};
|
|
|
|
static struct afswtch af_gif = {
|
|
.af_name = "af_gif",
|
|
.af_af = AF_UNSPEC,
|
|
.af_other_status = gif_status,
|
|
};
|
|
|
|
static __constructor void
|
|
gif_ctor(void)
|
|
{
|
|
size_t i;
|
|
|
|
for (i = 0; i < nitems(gif_cmds); i++)
|
|
cmd_register(&gif_cmds[i]);
|
|
af_register(&af_gif);
|
|
}
|