/* * Copyright (c) 2010 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * 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. Neither the name of Apple Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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. * * Portions of this software have been released under the following terms: * * (c) Copyright 1989-1993 OPEN SOFTWARE FOUNDATION, INC. * (c) Copyright 1989-1993 HEWLETT-PACKARD COMPANY * (c) Copyright 1989-1993 DIGITAL EQUIPMENT CORPORATION * * To anyone who acknowledges that this file is provided "AS IS" * without any express or implied warranty: * permission to use, copy, modify, and distribute this file for any * purpose is hereby granted without fee, provided that the above * copyright notices and this notice appears in all source code copies, * and that none of the names of Open Software Foundation, Inc., Hewlett- * Packard Company or Digital Equipment Corporation be used * in advertising or publicity pertaining to distribution of the software * without specific, written prior permission. Neither Open Software * Foundation, Inc., Hewlett-Packard Company nor Digital * Equipment Corporation makes any representations about the suitability * of this software for any purpose. * * Copyright (c) 2007, Novell, Inc. 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. Neither the name of Novell Inc. nor the names of its contributors * may be used to endorse or promote products derived from this * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDERS 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. * * @APPLE_LICENSE_HEADER_END@ */ #ifdef HAVE_CONFIG_H #include <config.h> #endif /* Horrible Darwin/BSD hack */ #if (defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__)) && defined(_POSIX_C_SOURCE) #undef _POSIX_C_SOURCE #endif #include <stdio.h> #include <fcntl.h> #include <unistd.h> #include <string.h> #include <stdlib.h> #ifndef UUID_BUILD_STANDALONE #include <dce/dce.h> #include <dce/dce_utils.h> #else #include "uuid.h" #endif #include <sys/types.h> #include <sys/socket.h> #include <sys/ioctl.h> /* Bizarre hack for HP-UX ia64 where a system header * makes reference to a kernel-only data structure */ #if defined(__hpux) && defined(__ia64) union mpinfou {}; #endif #include <net/if.h> #ifdef HAVE_SYS_SOCKIO_H #include <sys/sockio.h> #endif #ifdef notdef #include <sys/sysctl.h> #endif #ifdef HAVE_NET_IF_DL_H #include <net/if_dl.h> #endif #ifdef HAVE_NET_IF_ARP_H #include <net/if_arp.h> #endif void dce_get_802_addr(dce_802_addr_t *addr, error_status_t *st) { char buf[sizeof(struct ifreq) * 128]; struct ifconf ifc; struct ifreq *ifr; int s, i; struct sockaddr *sa; #ifdef AF_LINK struct sockaddr_dl *sdl; #endif #if defined(SIOCGARP) struct arpreq arpreq; #endif struct ifreq ifreq; s = socket(AF_INET, SOCK_DGRAM, 0); if (s < 0) { *st = utils_s_802_cant_read; return; } ifc.ifc_len = sizeof(buf); ifc.ifc_buf = buf; memset(buf, 0, sizeof(buf)); i = ioctl(s, SIOCGIFCONF, (char *)&ifc); if (i < 0) { *st = utils_s_802_cant_read; close(s); return; } for (i = 0; i < ifc.ifc_len; ) { ifr = (struct ifreq *)&ifc.ifc_buf[i]; /* Initialize sa here because it is used under the next * label, and the loopback check could jump directly * to the next label. */ #ifdef AF_LINK sa = &ifr->ifr_addr; #else sa = NULL; #endif #ifdef SIOCGIFFLAGS /* Skip over loopback and point-to-point interfaces. */ memcpy(&ifreq, ifr, sizeof(ifreq)); if (ioctl(s, SIOCGIFFLAGS, &ifreq) == 0) { if (ifreq.ifr_flags & (IFF_POINTOPOINT|IFF_LOOPBACK)) { goto next; } } #endif #ifdef AF_LINK if (sa->sa_family == AF_LINK) { sdl = (struct sockaddr_dl *)sa; if (sdl->sdl_alen == 6) { memcpy(addr->eaddr, (unsigned char *)sdl->sdl_data + sdl->sdl_nlen, 6); *st = error_status_ok; close(s); return; } } #endif /* AF_LINK */ #if defined(SIOCGIFHWADDR) memcpy(&ifreq, ifr, sizeof(ifreq)); if (ioctl(s, SIOCGIFHWADDR, &ifreq) == 0) { memcpy(addr->eaddr, &ifreq.ifr_hwaddr.sa_data, 6); *st = error_status_ok; close(s); return; } #elif defined(SIOCGARP) memset(&arpreq, 0, sizeof(arpreq)); arpreq.arp_pa = ifr->ifr_dstaddr; arpreq.arp_flags = 0; if (ioctl(s, SIOCGARP, &arpreq) == 0) { #ifdef AF_LINK sdl = (struct sockaddr_dl *)&arpreq.arp_ha; memcpy(addr->eaddr, (unsigned char *)&sdl->sdl_data + sdl->sdl_nlen, 6); #else memcpy(addr->eaddr, (unsigned char*)&arpreq.arp_ha.sa_data[0], 6); #endif *st = error_status_ok; close(s); return; } #elif defined(SIOCGENADDR) memcpy(&ifreq, ifr, sizeof(ifreq)); if (ioctl(s, SIOCGENADDR, &ifreq) == 0) { memcpy(addr->eaddr, ifreq.ifr_enaddr, 6); *st = error_status_ok; close(s); return; } #else //#error Please implement dce_get_802_addr() for your operating system #endif next: #if !defined(__svr4__) && !defined(linux) && !defined(_HPUX) /* XXX FixMe to be portable */ if (sa && sa->sa_len > sizeof(ifr->ifr_addr)) { i += sizeof(ifr->ifr_name) + sa->sa_len; } else #endif i += sizeof(*ifr); } { unsigned int seed = 1; unsigned char* buf = (unsigned char*) addr->eaddr; int i; for (i = 0; i < 6; i++) { buf[i] = rand_r(&seed); } close(s); return; } *st = utils_s_802_cant_read; close(s); return; }