ifmac.c revision 105760
1249259Sdim/*- 2249259Sdim * Copyright (c) 2001 Networks Associates Technology, Inc. 3249259Sdim * All rights reserved. 4249259Sdim * 5249259Sdim * This software was developed for the FreeBSD Project by NAI Labs, the 6249259Sdim * Security Research Division of Network Associates, Inc. under 7249259Sdim * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA 8249259Sdim * CHATS research program. 9249259Sdim * 10249259Sdim * Redistribution and use in source and binary forms, with or without 11249259Sdim * modification, are permitted provided that the following conditions 12249259Sdim * are met: 13249259Sdim * 1. Redistributions of source code must retain the above copyright 14249259Sdim * notice, this list of conditions and the following disclaimer. 15249259Sdim * 2. Redistributions in binary form must reproduce the above copyright 16249259Sdim * notice, this list of conditions and the following disclaimer in the 17249259Sdim * documentation and/or other materials provided with the distribution. 18249259Sdim * 3. The name of the author may not be used to endorse or promote 19249259Sdim * products derived from this software without specific prior written 20249259Sdim * permission. 21249259Sdim * 22249259Sdim * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23249259Sdim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24249259Sdim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25249259Sdim * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26249259Sdim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27249259Sdim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28249259Sdim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29249259Sdim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30249259Sdim * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31249259Sdim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32249259Sdim * SUCH DAMAGE. 33249259Sdim * 34249259Sdim * $FreeBSD: head/sbin/ifconfig/ifmac.c 105760 2002-10-23 03:40:47Z rwatson $ 35249259Sdim */ 36249259Sdim 37249259Sdim#include <sys/param.h> 38249259Sdim#include <sys/ioctl.h> 39249259Sdim#include <sys/mac.h> 40249259Sdim#include <sys/socket.h> 41249259Sdim#include <sys/sockio.h> 42249259Sdim 43249259Sdim#include <net/if.h> 44249259Sdim#include <net/route.h> 45249259Sdim 46249259Sdim#include <stdio.h> 47249259Sdim#include <stdlib.h> 48249259Sdim#include <string.h> 49249259Sdim 50249259Sdim#include "ifconfig.h" 51249259Sdim 52249259Sdimvoid 53249259Sdimmac_status(int s, struct rt_addrinfo *info) 54249259Sdim{ 55249259Sdim struct ifreq ifr; 56249259Sdim mac_t label; 57249259Sdim char *label_text; 58249259Sdim 59249259Sdim memset(&ifr, 0, sizeof(ifr)); 60249259Sdim strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 61249259Sdim 62249259Sdim if (mac_prepare_ifnet_label(&label) == -1) 63249259Sdim return; 64249259Sdim ifr.ifr_ifru.ifru_data = (void *)label; 65249259Sdim if (ioctl(s, SIOCGIFMAC, &ifr) == -1) 66249259Sdim goto mac_free; 67249259Sdim 68249259Sdim 69249259Sdim if (mac_to_text(label, &label_text) == -1) 70249259Sdim goto mac_free; 71249259Sdim 72249259Sdim if (strlen(label_text) != 0) 73249259Sdim printf("\tmac %s\n", label_text); 74249259Sdim free(label_text); 75249259Sdim 76249259Sdimmac_free: 77249259Sdim mac_free(label); 78249259Sdim} 79249259Sdim 80249259Sdimvoid 81249259Sdimsetifmac(const char *val, int d, int s, const struct afswtch *rafp) 82249259Sdim{ 83249259Sdim struct ifreq ifr; 84249259Sdim mac_t label; 85249259Sdim int error; 86249259Sdim 87249259Sdim if (mac_from_text(&label, val) == -1) { 88249259Sdim perror(val); 89249259Sdim return; 90249259Sdim } 91249259Sdim 92249259Sdim memset(&ifr, 0, sizeof(ifr)); 93249259Sdim strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 94249259Sdim ifr.ifr_ifru.ifru_data = (void *)label; 95249259Sdim 96249259Sdim error = ioctl(s, SIOCSIFMAC, &ifr); 97249259Sdim mac_free(label); 98249259Sdim if (error == -1) 99249259Sdim perror("setifmac"); 100249259Sdim} 101249259Sdim