+++ /dev/null
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
- * Reserved. This file contains Original Code and/or Modifications of
- * Original Code as defined in and that are subject to the Apple Public
- * Source License Version 1.0 (the 'License'). You may not use this file
- * except in compliance with the License. Please obtain a copy of the
- * License at http://www.apple.com/publicsource and read it before using
- * this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License."
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that: (1) source code distributions
- * retain the above copyright notice and this paragraph in its entirety, (2)
- * distributions including binary code include the above copyright notice and
- * this paragraph in its entirety in the documentation or other materials
- * provided with the distribution, and (3) all advertising materials mentioning
- * features or use of this software display the following acknowledgement:
- * ``This product includes software developed by the University of California,
- * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
- * the University 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-#ifndef lint
-static const char rcsid[] =
- "@(#) $Header: /cvs/Darwin/Commands/NeXT/network_cmds/tcpdump.tproj/print-ether.c,v 1.1.1.1 1999/05/02 03:58:33 wsanchez Exp $ (LBL)";
-#endif
-
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/socket.h>
-
-#if __STDC__
-struct mbuf;
-struct rtentry;
-#endif
-#include <net/if.h>
-
-#include <netinet/in.h>
-#include <netinet/if_ether.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <netinet/ip_var.h>
-#include <netinet/udp.h>
-#include <netinet/udp_var.h>
-#include <netinet/tcp.h>
-#include <netinet/tcpip.h>
-
-#include <stdio.h>
-#include <pcap.h>
-
-#include "interface.h"
-#include "addrtoname.h"
-#include "ethertype.h"
-
-const u_char *packetp;
-const u_char *snapend;
-
-static inline void
-ether_print(register const u_char *bp, u_int length)
-{
- register const struct ether_header *ep;
-
- ep = (const struct ether_header *)bp;
- if (qflag)
- (void)printf("%s %s %d: ",
- etheraddr_string(ESRC(ep)),
- etheraddr_string(EDST(ep)),
- length);
- else
- (void)printf("%s %s %s %d: ",
- etheraddr_string(ESRC(ep)),
- etheraddr_string(EDST(ep)),
- etherproto_string(ep->ether_type),
- length);
-}
-
-/*
- * This is the top level routine of the printer. 'p' is the points
- * to the ether header of the packet, 'tvp' is the timestamp,
- * 'length' is the length of the packet off the wire, and 'caplen'
- * is the number of bytes actually captured.
- */
-void
-ether_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
-{
- u_int caplen = h->caplen;
- u_int length = h->len;
- struct ether_header *ep;
- u_short ether_type;
- extern u_short extracted_ethertype;
-
- ts_print(&h->ts);
-
- if (caplen < sizeof(struct ether_header)) {
- printf("[|ether]");
- goto out;
- }
-
- if (eflag)
- ether_print(p, length);
-
- /*
- * Some printers want to get back at the ethernet addresses,
- * and/or check that they're not walking off the end of the packet.
- * Rather than pass them all the way down, we set these globals.
- */
- packetp = p;
- snapend = p + caplen;
-
- length -= sizeof(struct ether_header);
- caplen -= sizeof(struct ether_header);
- ep = (struct ether_header *)p;
- p += sizeof(struct ether_header);
-
- ether_type = ntohs(ep->ether_type);
-
- /*
- * Is it (gag) an 802.3 encapsulation?
- */
- extracted_ethertype = 0;
- if (ether_type < ETHERMTU) {
- /* Try to print the LLC-layer header & higher layers */
- if (llc_print(p, length, caplen, ESRC(ep), EDST(ep)) == 0) {
- /* ether_type not known, print raw packet */
- if (!eflag)
- ether_print((u_char *)ep, length);
- if (extracted_ethertype) {
- printf("(LLC %s) ",
- etherproto_string(htons(extracted_ethertype)));
- }
- if (!xflag && !qflag)
- default_print(p, caplen);
- }
- } else if (ether_encap_print(ether_type, p, length, caplen) == 0) {
- /* ether_type not known, print raw packet */
- if (!eflag)
- ether_print((u_char *)ep, length + sizeof(*ep));
- if (!xflag && !qflag)
- default_print(p, caplen);
- }
- if (xflag)
- default_print(p, caplen);
- out:
- putchar('\n');
-}
-
-/*
- * Prints the packet encapsulated in an Ethernet data segment
- * (or an equivalent encapsulation), given the Ethernet type code.
- *
- * Returns non-zero if it can do so, zero if the ethertype is unknown.
- *
- * Stuffs the ether type into a global for the benefit of lower layers
- * that might want to know what it is.
- */
-
-u_short extracted_ethertype;
-
-int
-ether_encap_print(u_short ethertype, const u_char *p,
- u_int length, u_int caplen)
-{
- extracted_ethertype = ethertype;
-
- switch (ethertype) {
-
- case ETHERTYPE_IP:
- ip_print(p, length);
- return (1);
-
- case ETHERTYPE_ARP:
- case ETHERTYPE_REVARP:
- arp_print(p, length, caplen);
- return (1);
-
- case ETHERTYPE_DN:
- decnet_print(p, length, caplen);
- return (1);
-
- case ETHERTYPE_ATALK:
- if (vflag)
- fputs("et1 ", stdout);
- atalk_print(p, length);
- return (1);
-
- case ETHERTYPE_AARP:
- aarp_print(p, length);
- return (1);
-
- case ETHERTYPE_LAT:
- case ETHERTYPE_SCA:
- case ETHERTYPE_MOPRC:
- case ETHERTYPE_MOPDL:
- /* default_print for now */
- default:
- return (0);
- }
-}
projects / apple / network_cmds.git / blobdiff