120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
/*
|
|
* 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 1.3 2004/03/17 23:24:35 guy 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 "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;
|
|
fp = (const struct firewire_header *)bp;
|
|
|
|
(void)printf("%s > %s",
|
|
linkaddr_string(fp->firewire_dhost, FIREWIRE_EUI64_LEN),
|
|
linkaddr_string(fp->firewire_shost, FIREWIRE_EUI64_LEN));
|
|
|
|
if (!qflag) {
|
|
(void)printf(", ethertype %s (0x%04x)",
|
|
tok2str(ethertype_values,"Unknown", ntohs(fp->firewire_type)),
|
|
ntohs(fp->firewire_type));
|
|
} else {
|
|
(void)printf(", %s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", ntohs(fp->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;
|
|
u_short extracted_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 = ntohs(fp->firewire_type);
|
|
|
|
extracted_ether_type = 0;
|
|
if (ether_encap_print(ether_type, p, length, caplen,
|
|
&extracted_ether_type) == 0) {
|
|
/* ether_type not known, print raw packet */
|
|
if (!eflag)
|
|
ap1394_hdr_print((u_char *)fp, length + FIREWIRE_HDRLEN);
|
|
|
|
if (!xflag && !qflag)
|
|
default_print(p, caplen);
|
|
}
|
|
|
|
return FIREWIRE_HDRLEN;
|
|
}
|