1138593Ssam/* 2138593Ssam * Copyright (c) 1983, 1993 3138593Ssam * The Regents of the University of California. All rights reserved. 4138593Ssam * 5138593Ssam * Redistribution and use in source and binary forms, with or without 6138593Ssam * modification, are permitted provided that the following conditions 7138593Ssam * are met: 8138593Ssam * 1. Redistributions of source code must retain the above copyright 9138593Ssam * notice, this list of conditions and the following disclaimer. 10138593Ssam * 2. Redistributions in binary form must reproduce the above copyright 11138593Ssam * notice, this list of conditions and the following disclaimer in the 12138593Ssam * documentation and/or other materials provided with the distribution. 13138593Ssam * 4. Neither the name of the University nor the names of its contributors 14138593Ssam * may be used to endorse or promote products derived from this software 15138593Ssam * without specific prior written permission. 16138593Ssam * 17138593Ssam * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18138593Ssam * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19138593Ssam * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20138593Ssam * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21138593Ssam * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22138593Ssam * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23138593Ssam * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24138593Ssam * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25138593Ssam * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26138593Ssam * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27138593Ssam * SUCH DAMAGE. 28138593Ssam */ 29138593Ssam 30138593Ssam#ifndef lint 31138593Ssamstatic const char rcsid[] = 32138593Ssam "$FreeBSD$"; 33138593Ssam#endif /* not lint */ 34138593Ssam 35138593Ssam#include <sys/types.h> 36138593Ssam#include <sys/ioctl.h> 37138593Ssam#include <sys/socket.h> 38138593Ssam#include <net/if.h> 39138593Ssam 40138593Ssam#include <err.h> 41138593Ssam#include <stdio.h> 42138593Ssam#include <stdlib.h> 43138593Ssam#include <string.h> 44166956Ssam#include <ifaddrs.h> 45138593Ssam 46138593Ssam#include <net/if_dl.h> 47138593Ssam#include <net/if_types.h> 48138593Ssam#include <net/ethernet.h> 49138593Ssam 50138593Ssam#include "ifconfig.h" 51138593Ssam 52138593Ssamstatic struct ifreq link_ridreq; 53138593Ssam 54138593Ssamstatic void 55166956Ssamlink_status(int s __unused, const struct ifaddrs *ifa) 56138593Ssam{ 57166956Ssam /* XXX no const 'cuz LLADDR is defined wrong */ 58166956Ssam struct sockaddr_dl *sdl = (struct sockaddr_dl *) ifa->ifa_addr; 59138593Ssam 60139494Ssam if (sdl != NULL && sdl->sdl_alen > 0) { 61210936Sjhb if ((sdl->sdl_type == IFT_ETHER || 62210936Sjhb sdl->sdl_type == IFT_L2VLAN || 63210936Sjhb sdl->sdl_type == IFT_BRIDGE) && 64138593Ssam sdl->sdl_alen == ETHER_ADDR_LEN) 65138593Ssam printf("\tether %s\n", 66166956Ssam ether_ntoa((struct ether_addr *)LLADDR(sdl))); 67138593Ssam else { 68138593Ssam int n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0; 69138593Ssam 70138593Ssam printf("\tlladdr %s\n", link_ntoa(sdl) + n); 71138593Ssam } 72138593Ssam } 73138593Ssam} 74138593Ssam 75138593Ssamstatic void 76138593Ssamlink_getaddr(const char *addr, int which) 77138593Ssam{ 78138593Ssam char *temp; 79138593Ssam struct sockaddr_dl sdl; 80138593Ssam struct sockaddr *sa = &link_ridreq.ifr_addr; 81138593Ssam 82138593Ssam if (which != ADDR) 83138593Ssam errx(1, "can't set link-level netmask or broadcast"); 84154401Sru if ((temp = malloc(strlen(addr) + 2)) == NULL) 85138593Ssam errx(1, "malloc failed"); 86138593Ssam temp[0] = ':'; 87138593Ssam strcpy(temp + 1, addr); 88138593Ssam sdl.sdl_len = sizeof(sdl); 89138593Ssam link_addr(temp, &sdl); 90138593Ssam free(temp); 91138593Ssam if (sdl.sdl_alen > sizeof(sa->sa_data)) 92138593Ssam errx(1, "malformed link-level address"); 93138593Ssam sa->sa_family = AF_LINK; 94138593Ssam sa->sa_len = sdl.sdl_alen; 95138593Ssam bcopy(LLADDR(&sdl), sa->sa_data, sdl.sdl_alen); 96138593Ssam} 97138593Ssam 98138593Ssamstatic struct afswtch af_link = { 99138593Ssam .af_name = "link", 100138593Ssam .af_af = AF_LINK, 101138593Ssam .af_status = link_status, 102138593Ssam .af_getaddr = link_getaddr, 103138593Ssam .af_aifaddr = SIOCSIFLLADDR, 104138593Ssam .af_addreq = &link_ridreq, 105138593Ssam}; 106138593Ssamstatic struct afswtch af_ether = { 107138593Ssam .af_name = "ether", 108138593Ssam .af_af = AF_LINK, 109138593Ssam .af_status = link_status, 110138593Ssam .af_getaddr = link_getaddr, 111138593Ssam .af_aifaddr = SIOCSIFLLADDR, 112138593Ssam .af_addreq = &link_ridreq, 113138593Ssam}; 114138593Ssamstatic struct afswtch af_lladdr = { 115138593Ssam .af_name = "lladdr", 116138593Ssam .af_af = AF_LINK, 117138593Ssam .af_status = link_status, 118138593Ssam .af_getaddr = link_getaddr, 119138593Ssam .af_aifaddr = SIOCSIFLLADDR, 120138593Ssam .af_addreq = &link_ridreq, 121138593Ssam}; 122138593Ssam 123138593Ssamstatic __constructor void 124138593Ssamlink_ctor(void) 125138593Ssam{ 126138593Ssam af_register(&af_link); 127138593Ssam af_register(&af_ether); 128138593Ssam af_register(&af_lladdr); 129138593Ssam} 130