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

/*
 * 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.
 */

#ifndef lint
static const char rcsid[] =
  "$FreeBSD: src/sbin/ifconfig/af_link.c,v 1.4.6.1 2008/11/25 02:59:29 kensmith Exp $";
#endif /* not lint */

#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;

	if (which != ADDR)
		errx(1, "can't set link-level netmask or broadcast");
	if ((temp = malloc(strlen(addr) + 2)) == NULL)
		errx(1, "malloc failed");
	temp[0] = ':';
	strcpy(temp + 1, addr);
	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
8d01c344 A	1	/*
	2	* Copyright (c) 1983, 1993
	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 4. Neither the name of the University nor the names of its contributors
	14	* may be used to endorse or promote products derived from this software
	15	* without specific prior written permission.
	16	*
	17	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	18	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	19	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	20	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	21	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	22	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	23	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	24	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	25	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	26	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	27	* SUCH DAMAGE.
	28	*/
	29
	30	#ifndef lint
	31	static const char rcsid[] =
	32	"$FreeBSD: src/sbin/ifconfig/af_link.c,v 1.4.6.1 2008/11/25 02:59:29 kensmith Exp $";
	33	#endif /* not lint */
	34
	35	#include <sys/types.h>
	36	#include <sys/ioctl.h>
	37	#include <sys/socket.h>
	38	#include <net/if.h>
	39
	40	#include <err.h>
	41	#include <stdio.h>
	42	#include <stdlib.h>
	43	#include <string.h>
	44	#include <ifaddrs.h>
	45
	46	#include <net/if_dl.h>
	47	#include <net/if_types.h>
	48	#include <net/ethernet.h>
	49
	50	#include "ifconfig.h"
	51
	52	static struct ifreq link_ridreq;
	53
	54	static void
	55	link_status(int s __unused, const struct ifaddrs *ifa)
	56	{
	57	/* XXX no const 'cuz LLADDR is defined wrong */
	58	struct sockaddr_dl sdl = (struct sockaddr_dl ) ifa->ifa_addr;
	59
	60	if (sdl != NULL && sdl->sdl_alen > 0) {
	61	#ifdef notyet
	62	if (sdl->sdl_type == IFT_ETHER &&
	63	sdl->sdl_alen == ETHER_ADDR_LEN)
	64	printf("\tether %s\n",
65	ether_ntoa((struct ether_addr *)LLADDR(sdl)));
66	else {
67	int n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0;
68
69	printf("\tlladdr %s\n", link_ntoa(sdl) + n);
70	}
71	#else
72	char cp = (char )LLADDR(sdl);
73	int n = sdl->sdl_alen;
74
75	if (sdl->sdl_type == IFT_ETHER)
76	printf ("\tether ");
77	else
78	printf ("\tlladdr ");
79	while (--n >= 0)
80	printf("%02x%c",*cp++ & 0xff, n>0? ':' : ' ');
81	putchar('\n');
82	#endif
83	}
84	}
85
86	static void
87	link_getaddr(const char *addr, int which)
88	{
89	char *temp;
90	struct sockaddr_dl sdl;
91	struct sockaddr *sa = &link_ridreq.ifr_addr;
92
93	if (which != ADDR)
94	errx(1, "can't set link-level netmask or broadcast");
95	if ((temp = malloc(strlen(addr) + 2)) == NULL)
96	errx(1, "malloc failed");
97	temp[0] = ':';
98	strcpy(temp + 1, addr);
99	sdl.sdl_len = sizeof(sdl);
100	link_addr(temp, &sdl);
101	free(temp);
102	if (sdl.sdl_alen > sizeof(sa->sa_data))
103	errx(1, "malformed link-level address");
104	sa->sa_family = AF_LINK;
105	sa->sa_len = sdl.sdl_alen;
106	bcopy(LLADDR(&sdl), sa->sa_data, sdl.sdl_alen);
107	}
108
109	static struct afswtch af_link = {
110	.af_name = "link",
111	.af_af = AF_LINK,
112	.af_status = link_status,
113	.af_getaddr = link_getaddr,
114	.af_aifaddr = SIOCSIFLLADDR,
115	.af_addreq = &link_ridreq,
116	};
117	static struct afswtch af_ether = {
118	.af_name = "ether",
119	.af_af = AF_LINK,
120	.af_status = link_status,
121	.af_getaddr = link_getaddr,
122	.af_aifaddr = SIOCSIFLLADDR,
123	.af_addreq = &link_ridreq,
124	};
125	static struct afswtch af_lladdr = {
126	.af_name = "lladdr",
127	.af_af = AF_LINK,
128	.af_status = link_status,
129	.af_getaddr = link_getaddr,
130	.af_aifaddr = SIOCSIFLLADDR,
131	.af_addreq = &link_ridreq,
132	};
133
134	static __constructor void
135	link_ctor(void)
136	{
137	af_register(&af_link);
138	af_register(&af_ether);
139	af_register(&af_lladdr);
140	}