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/*
* Copyright (c) 2017-2018 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1999
* Bill Paul <wpaul@ctr.columbia.edu>. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``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 Bill Paul OR THE VOICES IN HIS HEAD
* 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 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_var.h>
#include <net/if_6lowpan_var.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"
#include <sys/cdefs.h>
static boolean_t is_sixlowpan_inited = FALSE;
static struct sixlowpanreq params;
static int
get6lowpan(int s, struct ifreq *ifr, struct sixlowpanreq *req)
{
bzero((char *)req, sizeof(*req));
ifr->ifr_data = (caddr_t)req;
return ioctl(s, SIOCGIF6LOWPAN, (caddr_t)ifr);
}
static void
sixlowpan_status(int s)
{
struct sixlowpanreq req;
if (get6lowpan(s, &ifr, &req) != -1)
printf("\t6lowpan: parent interface: %s\n",
req.parent[0] == '\0' ?
"<none>" : req.parent);
}
static void
set6lowpandev(const char *val, int d, int s, const struct afswtch *afp)
{
struct sixlowpanreq req;
strlcpy(params.parent, val, sizeof(params.parent));
is_sixlowpan_inited = TRUE;
fprintf(stderr, "val %s\n", val);
strlcpy(req.parent, val, sizeof(req.parent));
ifr.ifr_data = (caddr_t) &req;
if (ioctl(s, SIOCSIF6LOWPAN, (caddr_t)&ifr) == -1)
err(1, "SIOCSIF6LOWPAN");
}
static void
unset6lowpandev(const char *val, int d, int s, const struct afswtch *afp)
{
struct sixlowpanreq req;
bzero((char *)&req, sizeof(req));
ifr.ifr_data = (caddr_t)&req;
if (ioctl(s, SIOCGIF6LOWPAN, (caddr_t)&ifr) == -1)
err(1, "SIOCGIF6LOWPAN");
bzero((char *)&req, sizeof(req));
if (ioctl(s, SIOCSIF6LOWPAN, (caddr_t)&ifr) == -1)
err(1, "SIOCSIF6LOWPAN");
}
static void
sixlowpan_create(const char *val, int d, int s, const struct afswtch *afp)
{
strlcpy(params.parent, val, sizeof(params.parent));
is_sixlowpan_inited = TRUE;
}
static void
sixlowpan_clone_cb(int s, void *arg)
{
if (is_sixlowpan_inited == TRUE && params.parent[0] == '\0')
errx(1, "6lowpandev must be specified");
}
static struct cmd sixlowpan_cmds[] = {
DEF_CLONE_CMD_ARG("6lowpandev", sixlowpan_create),
DEF_CMD_OPTARG("6lowpansetdev", set6lowpandev),
DEF_CMD_OPTARG("6lowpanunsetdev", unset6lowpandev),
};
static struct afswtch af_6lowpan = {
.af_name = "af_6lowpan",
.af_af = AF_UNSPEC,
.af_other_status = sixlowpan_status,
};
static __constructor void
sixlowpan_ctor(void)
{
#define N(a) (sizeof(a) / sizeof(a[0]))
int i;
for (i = 0; i < N(sixlowpan_cmds); i++)
cmd_register(&sixlowpan_cmds[i]);
af_register(&af_6lowpan);
callback_register(sixlowpan_clone_cb, NULL);
#undef N
}
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