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Diffstat (limited to 'contrib/isc-dhcp/common/ethernet.c')
| -rw-r--r-- | contrib/isc-dhcp/common/ethernet.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/contrib/isc-dhcp/common/ethernet.c b/contrib/isc-dhcp/common/ethernet.c deleted file mode 100644 index 41c0a309e03d..000000000000 --- a/contrib/isc-dhcp/common/ethernet.c +++ /dev/null @@ -1,110 +0,0 @@ -/* packet.c - - Packet assembly code, originally contributed by Archie Cobbs. */ - -/* - * Copyright (c) 1995, 1996 The Internet Software Consortium. - * 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 The Internet Software Consortium 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 INTERNET SOFTWARE CONSORTIUM 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 INTERNET SOFTWARE CONSORTIUM 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. - * - * This software has been written for the Internet Software Consortium - * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie - * Enterprises. To learn more about the Internet Software Consortium, - * see ``http://www.vix.com/isc''. To learn more about Vixie - * Enterprises, see ``http://www.vix.com''. - */ - -#ifndef lint -static char copyright[] = -"$Id: ethernet.c,v 1.1.2.2 1999/11/11 16:10:41 mellon Exp $ Copyright (c) 1996 The Internet Software Consortium. All rights reserved.\n"; -#endif /* not lint */ - -#include "dhcpd.h" - -#if defined (PACKET_ASSEMBLY) || defined (PACKET_DECODING) -#include "includes/netinet/if_ether.h" -#endif /* PACKET_ASSEMBLY || PACKET_DECODING */ - -#if defined (PACKET_ASSEMBLY) -/* Assemble an hardware header... */ -/* XXX currently only supports ethernet; doesn't check for other types. */ - -void assemble_ethernet_header (interface, buf, bufix, to) - struct interface_info *interface; - unsigned char *buf; - int *bufix; - struct hardware *to; -{ - struct ether_header eh; - - if (to && to -> hlen == 6) /* XXX */ - memcpy (eh.ether_dhost, to -> haddr, sizeof eh.ether_dhost); - else - memset (eh.ether_dhost, 0xff, sizeof (eh.ether_dhost)); - if (interface -> hw_address.hlen == sizeof (eh.ether_shost)) - memcpy (eh.ether_shost, interface -> hw_address.haddr, - sizeof (eh.ether_shost)); - else - memset (eh.ether_shost, 0x00, sizeof (eh.ether_shost)); - -#ifdef BROKEN_FREEBSD_BPF /* Fixed in FreeBSD 2.2 */ - eh.ether_type = ETHERTYPE_IP; -#else - eh.ether_type = htons (ETHERTYPE_IP); -#endif - - memcpy (&buf [*bufix], &eh, ETHER_HEADER_SIZE); - *bufix += ETHER_HEADER_SIZE; -} -#endif /* PACKET_ASSEMBLY */ - -#ifdef PACKET_DECODING -/* Decode a hardware header... */ - -ssize_t decode_ethernet_header (interface, buf, bufix, from) - struct interface_info *interface; - unsigned char *buf; - int bufix; - struct hardware *from; -{ - struct ether_header eh; - - memcpy (&eh, buf + bufix, ETHER_HEADER_SIZE); - -#ifdef USERLAND_FILTER - if (ntohs (eh.ether_type) != ETHERTYPE_IP) - return -1; -#endif - memcpy (from -> haddr, eh.ether_shost, sizeof (eh.ether_shost)); - from -> htype = ARPHRD_ETHER; - from -> hlen = sizeof eh.ether_shost; - - return sizeof eh; -} -#endif /* PACKET_DECODING */ |