print-bt.c revision 267654 
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 1.2 2008-09-25 21:45:50 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 "extract.h"
37#include "addrtoname.h"
38
39#if defined(DLT_BLUETOOTH_HCI_H4_WITH_PHDR) && defined(HAVE_PCAP_BLUETOOTH_H)
40#include <pcap/bluetooth.h>
41
42#define	BT_HDRLEN sizeof(pcap_bluetooth_h4_header)
43/*
44 * This is the top level routine of the printer.  'p' points
45 * to the bluetooth header of the packet, 'h->ts' is the timestamp,
46 * 'h->len' is the length of the packet off the wire, and 'h->caplen'
47 * is the number of bytes actually captured.
48 */
49u_int
50bt_if_print(const struct pcap_pkthdr *h, const u_char *p)
51{
52	u_int length = h->len;
53	u_int caplen = h->caplen;
54	const pcap_bluetooth_h4_header* hdr = (const pcap_bluetooth_h4_header*)p;
55
56	if (caplen < BT_HDRLEN) {
57		printf("[|bt]");
58		return (BT_HDRLEN);
59	}
60	caplen -= BT_HDRLEN;
61	length -= BT_HDRLEN;
62	p += BT_HDRLEN;
63	if (eflag)
64		(void)printf("hci length %d, direction %s, ", length, (EXTRACT_32BITS(&hdr->direction)&0x1)?"in":"out");
65
66	if (!suppress_default_print)
67		default_print(p, caplen);
68
69	return (BT_HDRLEN);
70}
71#endif
72
73
74/*
75 * Local Variables:
76 * c-style: whitesmith
77 * c-basic-offset: 8
78 * End:
79 */
80