print-bt.c revision 190203 
1/*
2 * Copyright (c) 2007
3 *	paolo.abeni@email.it  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by Paolo Abeni.''
13 * The name of author may not be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
16 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18 */
19
20#ifndef lint
21static const char rcsid[] _U_ =
22    "@(#) $Header: /tcpdump/master/tcpdump/print-bt.c,v 1.1.2.1 2008-09-25 21:50:04 guy Exp $";
23#endif
24
25#ifdef HAVE_CONFIG_H
26#include "config.h"
27#endif
28
29#include <tcpdump-stdinc.h>
30
31#include <pcap.h>
32#include <stdio.h>
33#include <string.h>
34
35#include "interface.h"
36#include "addrtoname.h"
37
38#if defined(DLT_BLUETOOTH_HCI_H4_WITH_PHDR) && defined(HAVE_PCAP_BLUETOOTH_H)
39#include <pcap/bluetooth.h>
40
41#define	BT_HDRLEN sizeof(pcap_bluetooth_h4_header)
42/*
43 * This is the top level routine of the printer.  'p' points
44 * to the bluetooth header of the packet, 'h->ts' is the timestamp,
45 * 'h->len' is the length of the packet off the wire, and 'h->caplen'
46 * is the number of bytes actually captured.
47 */
48u_int
49bt_if_print(const struct pcap_pkthdr *h, const u_char *p)
50{
51	u_int length = h->len;
52	u_int caplen = h->caplen;
53	const pcap_bluetooth_h4_header* hdr = (const pcap_bluetooth_h4_header*)p;
54
55	if (caplen < BT_HDRLEN) {
56		printf("[|bt]");
57		return (BT_HDRLEN);
58	}
59	caplen -= BT_HDRLEN;
60	length -= BT_HDRLEN;
61	p += BT_HDRLEN;
62	if (eflag)
63		(void)printf("hci length %d, direction %s, ", length, (ntohl(hdr->direction)&0x1)?"in":"out");
64
65	if (!suppress_default_print)
66		default_print(p, caplen);
67
68	return (BT_HDRLEN);
69}
70#endif
71
72
73/*
74 * Local Variables:
75 * c-style: whitesmith
76 * c-basic-offset: 8
77 * End:
78 */
79