diff options
Diffstat (limited to 'sbin/dhclient/ethernet.c')
-rw-r--r-- | sbin/dhclient/ethernet.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/sbin/dhclient/ethernet.c b/sbin/dhclient/ethernet.c deleted file mode 100644 index d15b9c8b92b..00000000000 --- a/sbin/dhclient/ethernet.c +++ /dev/null @@ -1,88 +0,0 @@ -/* $OpenBSD: ethernet.c,v 1.4 2004/02/07 13:26:35 henning Exp $ */ - -/* 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''. - */ - -#include "dhcpd.h" - -#include <netinet/if_ether.h> -#define ETHER_HEADER_SIZE (ETHER_ADDR_LEN * 2 + sizeof(u_int16_t)) - -/* Assemble a hardware header... */ -/* XXX: currently only supports ethernet; doesn't check for other types. */ - -void -assemble_ethernet_header(struct interface_info *interface, unsigned char *buf, - int *bufix, struct hardware *to) -{ - struct ether_header eh; - - if (to != NULL && 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)); - - eh.ether_type = htons(ETHERTYPE_IP); - - memcpy(&buf[*bufix], &eh, ETHER_HEADER_SIZE); - *bufix += ETHER_HEADER_SIZE; -} - -/* Decode a hardware header... */ - -ssize_t -decode_ethernet_header(struct interface_info *interface, unsigned char *buf, - int bufix, struct hardware *from) -{ - struct ether_header eh; - - memcpy(&eh, buf + bufix, ETHER_HEADER_SIZE); - - memcpy(from->haddr, eh.ether_shost, sizeof(eh.ether_shost)); - from->htype = ARPHRD_ETHER; - from->hlen = sizeof(eh.ether_shost); - - return (sizeof(eh)); -} |