[apple/network_cmds.git] / ifconfig.tproj / af_link.c

/*
 * Copyright (c) 2009 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) 1983, 1993
 *	The Regents of the University of California.  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.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS OR CONTRIBUTORS 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/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>

#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ifaddrs.h>

#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/ethernet.h>

#include "ifconfig.h"

static struct ifreq link_ridreq;

static void
link_status(int s __unused, const struct ifaddrs *ifa)
{
	/* XXX no const 'cuz LLADDR is defined wrong */
	struct sockaddr_dl *sdl = (struct sockaddr_dl *) ifa->ifa_addr;

	if (sdl != NULL && sdl->sdl_alen > 0) {
#ifdef notyet
		if (sdl->sdl_type == IFT_ETHER &&
		    sdl->sdl_alen == ETHER_ADDR_LEN)
			printf("\tether %s\n",
			    ether_ntoa((struct ether_addr *)LLADDR(sdl)));
		else {
			int n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0;

			printf("\tlladdr %s\n", link_ntoa(sdl) + n);
		}
#else
		char *cp = (char *)LLADDR(sdl);
		int n = sdl->sdl_alen;
		
		if (sdl->sdl_type == IFT_ETHER)
			printf ("\tether ");
		else
			printf ("\tlladdr ");
		while (--n >= 0)
			printf("%02x%c",*cp++ & 0xff, n>0? ':' : ' ');
		putchar('\n');
#endif
	}
}

static void
link_getaddr(const char *addr, int which)
{
	char *temp;
	struct sockaddr_dl sdl;
	struct sockaddr *sa = &link_ridreq.ifr_addr;
	size_t slen = strlen(addr);

	if (which != ADDR)
		errx(1, "can't set link-level netmask or broadcast");
	if ((temp = malloc(slen + 2)) == NULL)
		errx(1, "malloc failed");
	temp[0] = ':';
	strlcpy(temp + 1, addr, slen + 1);
	sdl.sdl_len = sizeof(sdl);
	link_addr(temp, &sdl);
	free(temp);
	if (sdl.sdl_alen > sizeof(sa->sa_data))
		errx(1, "malformed link-level address");
	sa->sa_family = AF_LINK;
	sa->sa_len = sdl.sdl_alen;
	bcopy(LLADDR(&sdl), sa->sa_data, sdl.sdl_alen);
}

static struct afswtch af_link = {
	.af_name	= "link",
	.af_af		= AF_LINK,
	.af_status	= link_status,
	.af_getaddr	= link_getaddr,
	.af_aifaddr	= SIOCSIFLLADDR,
	.af_addreq	= &link_ridreq,
};
static struct afswtch af_ether = {
	.af_name	= "ether",
	.af_af		= AF_LINK,
	.af_status	= link_status,
	.af_getaddr	= link_getaddr,
	.af_aifaddr	= SIOCSIFLLADDR,
	.af_addreq	= &link_ridreq,
};
static struct afswtch af_lladdr = {
	.af_name	= "lladdr",
	.af_af		= AF_LINK,
	.af_status	= link_status,
	.af_getaddr	= link_getaddr,
	.af_aifaddr	= SIOCSIFLLADDR,
	.af_addreq	= &link_ridreq,
};

static __constructor void
link_ctor(void)
{
	af_register(&af_link);
	af_register(&af_ether);
	af_register(&af_lladdr);
}
Commit	Line	Data
fdfd5971 A	1	/*
	2	* Copyright (c) 2009 Apple Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28
8d01c344 A	29	/*
	30	* Copyright (c) 1983, 1993
	31	* The Regents of the University of California. All rights reserved.
	32	*
	33	* Redistribution and use in source and binary forms, with or without
	34	* modification, are permitted provided that the following conditions
	35	* are met:
	36	* 1. Redistributions of source code must retain the above copyright
	37	* notice, this list of conditions and the following disclaimer.
	38	* 2. Redistributions in binary form must reproduce the above copyright
	39	* notice, this list of conditions and the following disclaimer in the
	40	* documentation and/or other materials provided with the distribution.
	41	* 4. Neither the name of the University nor the names of its contributors
	42	* may be used to endorse or promote products derived from this software
	43	* without specific prior written permission.
	44	*
	45	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	46	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	47	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	48	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	49	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	50	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	51	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	52	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	53	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	54	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	55	* SUCH DAMAGE.
	56	*/
	57
8d01c344 A	58	#include <sys/types.h>
	59	#include <sys/ioctl.h>
	60	#include <sys/socket.h>
	61	#include <net/if.h>
	62
	63	#include <err.h>
	64	#include <stdio.h>
	65	#include <stdlib.h>
	66	#include <string.h>
	67	#include <ifaddrs.h>
	68
	69	#include <net/if_dl.h>
	70	#include <net/if_types.h>
	71	#include <net/ethernet.h>
	72
	73	#include "ifconfig.h"
	74
	75	static struct ifreq link_ridreq;
	76
	77	static void
	78	link_status(int s __unused, const struct ifaddrs *ifa)
	79	{
	80	/* XXX no const 'cuz LLADDR is defined wrong */
	81	struct sockaddr_dl sdl = (struct sockaddr_dl ) ifa->ifa_addr;
	82
	83	if (sdl != NULL && sdl->sdl_alen > 0) {
	84	#ifdef notyet
	85	if (sdl->sdl_type == IFT_ETHER &&
	86	sdl->sdl_alen == ETHER_ADDR_LEN)
	87	printf("\tether %s\n",
	88	ether_ntoa((struct ether_addr *)LLADDR(sdl)));
	89	else {
	90	int n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0;
	91
	92	printf("\tlladdr %s\n", link_ntoa(sdl) + n);
	93	}
	94	#else
	95	char cp = (char )LLADDR(sdl);
	96	int n = sdl->sdl_alen;
	97
	98	if (sdl->sdl_type == IFT_ETHER)
	99	printf ("\tether ");
	100	else
	101	printf ("\tlladdr ");
	102	while (--n >= 0)
	103	printf("%02x%c",*cp++ & 0xff, n>0? ':' : ' ');
	104	putchar('\n');
	105	#endif
	106	}
	107	}
	108
	109	static void
	110	link_getaddr(const char *addr, int which)
	111	{
	112	char *temp;
	113	struct sockaddr_dl sdl;
	114	struct sockaddr *sa = &link_ridreq.ifr_addr;
fdfd5971	115	size_t slen = strlen(addr);
8d01c344 A	116
	117	if (which != ADDR)
	118	errx(1, "can't set link-level netmask or broadcast");
fdfd5971	119	if ((temp = malloc(slen + 2)) == NULL)
8d01c344 A	120	errx(1, "malloc failed");
8d01c344 A	121	temp[0] = ':';
fdfd5971	122	strlcpy(temp + 1, addr, slen + 1);
8d01c344 A	123	sdl.sdl_len = sizeof(sdl);
	124	link_addr(temp, &sdl);
	125	free(temp);
	126	if (sdl.sdl_alen > sizeof(sa->sa_data))
	127	errx(1, "malformed link-level address");
	128	sa->sa_family = AF_LINK;
	129	sa->sa_len = sdl.sdl_alen;
	130	bcopy(LLADDR(&sdl), sa->sa_data, sdl.sdl_alen);
	131	}
	132
	133	static struct afswtch af_link = {
	134	.af_name = "link",
	135	.af_af = AF_LINK,
	136	.af_status = link_status,
	137	.af_getaddr = link_getaddr,
	138	.af_aifaddr = SIOCSIFLLADDR,
	139	.af_addreq = &link_ridreq,
	140	};
	141	static struct afswtch af_ether = {
	142	.af_name = "ether",
	143	.af_af = AF_LINK,
	144	.af_status = link_status,
	145	.af_getaddr = link_getaddr,
	146	.af_aifaddr = SIOCSIFLLADDR,
	147	.af_addreq = &link_ridreq,
	148	};
	149	static struct afswtch af_lladdr = {
	150	.af_name = "lladdr",
	151	.af_af = AF_LINK,
	152	.af_status = link_status,
	153	.af_getaddr = link_getaddr,
	154	.af_aifaddr = SIOCSIFLLADDR,
	155	.af_addreq = &link_ridreq,
	156	};
	157
	158	static __constructor void
	159	link_ctor(void)
	160	{
	161	af_register(&af_link);
	162	af_register(&af_ether);
	163	af_register(&af_lladdr);
	164	}