Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

120 lines (101 sloc) 3.846 kb
/*
* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
* 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[] _U_ =
"@(#) $Header: /tcpdump/master/tcpdump/print-ap1394.c,v 1.5 2006-02-11 22:12:06 hannes Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.h>
#include <stdio.h>
#include <pcap.h>
#include "interface.h"
#include "extract.h"
#include "addrtoname.h"
#include "ethertype.h"
/*
* Structure of a header for Apple's IP-over-IEEE 1384 BPF header.
*/
#define FIREWIRE_EUI64_LEN 8
struct firewire_header {
u_char firewire_dhost[FIREWIRE_EUI64_LEN];
u_char firewire_shost[FIREWIRE_EUI64_LEN];
u_short firewire_type;
};
/*
* Length of that header; note that some compilers may pad
* "struct firewire_header" to a multiple of 4 bytes, for example, so
* "sizeof (struct firewire_header)" may not give the right answer.
*/
#define FIREWIRE_HDRLEN 18
static inline void
ap1394_hdr_print(register const u_char *bp, u_int length)
{
register const struct firewire_header *fp;
u_int16_t firewire_type;
fp = (const struct firewire_header *)bp;
(void)printf("%s > %s",
linkaddr_string(fp->firewire_dhost, LINKADDR_IEEE1394, FIREWIRE_EUI64_LEN),
linkaddr_string(fp->firewire_shost, LINKADDR_IEEE1394, FIREWIRE_EUI64_LEN));
firewire_type = EXTRACT_16BITS(&fp->firewire_type);
if (!qflag) {
(void)printf(", ethertype %s (0x%04x)",
tok2str(ethertype_values,"Unknown", firewire_type),
firewire_type);
} else {
(void)printf(", %s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", firewire_type));
}
(void)printf(", length %u: ", length);
}
/*
* This is the top level routine of the printer. 'p' points
* to the ether header of the packet, 'h->ts' is the timestamp,
* 'h->len' is the length of the packet off the wire, and 'h->caplen'
* is the number of bytes actually captured.
*/
u_int
ap1394_if_print(const struct pcap_pkthdr *h, const u_char *p)
{
u_int length = h->len;
u_int caplen = h->caplen;
struct firewire_header *fp;
u_short ether_type;
if (caplen < FIREWIRE_HDRLEN) {
printf("[|ap1394]");
return FIREWIRE_HDRLEN;
}
if (eflag)
ap1394_hdr_print(p, length);
length -= FIREWIRE_HDRLEN;
caplen -= FIREWIRE_HDRLEN;
fp = (struct firewire_header *)p;
p += FIREWIRE_HDRLEN;
ether_type = EXTRACT_16BITS(&fp->firewire_type);
if (ethertype_print(gndo, ether_type, p, length, caplen) == 0) {
/* ether_type not known, print raw packet */
if (!eflag)
ap1394_hdr_print((u_char *)fp, length + FIREWIRE_HDRLEN);
if (!suppress_default_print)
default_print(p, caplen);
}
return FIREWIRE_HDRLEN;
}
Jump to Line
Something went wrong with that request. Please try again.