xref: /minix3/external/bsd/tcpdump/dist/print-bt.c (revision b636d99d91c3d54204248f643c14627405d4afd1)
1*b636d99dSDavid van Moolenbroek /*
2*b636d99dSDavid van Moolenbroek  * Copyright (c) 2007
3*b636d99dSDavid van Moolenbroek  *	paolo.abeni@email.it  All rights reserved.
4*b636d99dSDavid van Moolenbroek  *
5*b636d99dSDavid van Moolenbroek  * Redistribution and use in source and binary forms, with or without
6*b636d99dSDavid van Moolenbroek  * modification, are permitted provided that: (1) source code distributions
7*b636d99dSDavid van Moolenbroek  * retain the above copyright notice and this paragraph in its entirety, (2)
8*b636d99dSDavid van Moolenbroek  * distributions including binary code include the above copyright notice and
9*b636d99dSDavid van Moolenbroek  * this paragraph in its entirety in the documentation or other materials
10*b636d99dSDavid van Moolenbroek  * provided with the distribution, and (3) all advertising materials mentioning
11*b636d99dSDavid van Moolenbroek  * features or use of this software display the following acknowledgement:
12*b636d99dSDavid van Moolenbroek  * ``This product includes software developed by Paolo Abeni.''
13*b636d99dSDavid van Moolenbroek  * The name of author may not be used to endorse or promote products derived
14*b636d99dSDavid van Moolenbroek  * from this software without specific prior written permission.
15*b636d99dSDavid van Moolenbroek  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
16*b636d99dSDavid van Moolenbroek  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
17*b636d99dSDavid van Moolenbroek  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18*b636d99dSDavid van Moolenbroek  */
19*b636d99dSDavid van Moolenbroek 
20*b636d99dSDavid van Moolenbroek #include <sys/cdefs.h>
21*b636d99dSDavid van Moolenbroek #ifndef lint
22*b636d99dSDavid van Moolenbroek __RCSID("$NetBSD: print-bt.c,v 1.4 2014/11/20 03:05:03 christos Exp $");
23*b636d99dSDavid van Moolenbroek #endif
24*b636d99dSDavid van Moolenbroek 
25*b636d99dSDavid van Moolenbroek #define NETDISSECT_REWORKED
26*b636d99dSDavid van Moolenbroek #ifdef HAVE_CONFIG_H
27*b636d99dSDavid van Moolenbroek #include "config.h"
28*b636d99dSDavid van Moolenbroek #endif
29*b636d99dSDavid van Moolenbroek 
30*b636d99dSDavid van Moolenbroek #include <tcpdump-stdinc.h>
31*b636d99dSDavid van Moolenbroek 
32*b636d99dSDavid van Moolenbroek #include "interface.h"
33*b636d99dSDavid van Moolenbroek #include "extract.h"
34*b636d99dSDavid van Moolenbroek 
35*b636d99dSDavid van Moolenbroek #if defined(DLT_BLUETOOTH_HCI_H4_WITH_PHDR) && defined(HAVE_PCAP_BLUETOOTH_H)
36*b636d99dSDavid van Moolenbroek #include <pcap/bluetooth.h>
37*b636d99dSDavid van Moolenbroek 
38*b636d99dSDavid van Moolenbroek #define	BT_HDRLEN sizeof(pcap_bluetooth_h4_header)
39*b636d99dSDavid van Moolenbroek /*
40*b636d99dSDavid van Moolenbroek  * This is the top level routine of the printer.  'p' points
41*b636d99dSDavid van Moolenbroek  * to the bluetooth header of the packet, 'h->ts' is the timestamp,
42*b636d99dSDavid van Moolenbroek  * 'h->len' is the length of the packet off the wire, and 'h->caplen'
43*b636d99dSDavid van Moolenbroek  * is the number of bytes actually captured.
44*b636d99dSDavid van Moolenbroek  */
45*b636d99dSDavid van Moolenbroek u_int
bt_if_print(netdissect_options * ndo,const struct pcap_pkthdr * h,const u_char * p)46*b636d99dSDavid van Moolenbroek bt_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p)
47*b636d99dSDavid van Moolenbroek {
48*b636d99dSDavid van Moolenbroek 	u_int length = h->len;
49*b636d99dSDavid van Moolenbroek 	u_int caplen = h->caplen;
50*b636d99dSDavid van Moolenbroek 	const pcap_bluetooth_h4_header* hdr = (const pcap_bluetooth_h4_header*)p;
51*b636d99dSDavid van Moolenbroek 
52*b636d99dSDavid van Moolenbroek 	if (caplen < BT_HDRLEN) {
53*b636d99dSDavid van Moolenbroek 		ND_PRINT((ndo, "[|bt]"));
54*b636d99dSDavid van Moolenbroek 		return (BT_HDRLEN);
55*b636d99dSDavid van Moolenbroek 	}
56*b636d99dSDavid van Moolenbroek 	caplen -= BT_HDRLEN;
57*b636d99dSDavid van Moolenbroek 	length -= BT_HDRLEN;
58*b636d99dSDavid van Moolenbroek 	p += BT_HDRLEN;
59*b636d99dSDavid van Moolenbroek 	if (ndo->ndo_eflag)
60*b636d99dSDavid van Moolenbroek 		ND_PRINT((ndo, "hci length %d, direction %s, ", length, (EXTRACT_32BITS(&hdr->direction)&0x1)?"in":"out"));
61*b636d99dSDavid van Moolenbroek 
62*b636d99dSDavid van Moolenbroek 	if (!ndo->ndo_suppress_default_print)
63*b636d99dSDavid van Moolenbroek 		ND_DEFAULTPRINT(p, caplen);
64*b636d99dSDavid van Moolenbroek 
65*b636d99dSDavid van Moolenbroek 	return (BT_HDRLEN);
66*b636d99dSDavid van Moolenbroek }
67*b636d99dSDavid van Moolenbroek #endif
68*b636d99dSDavid van Moolenbroek 
69*b636d99dSDavid van Moolenbroek 
70*b636d99dSDavid van Moolenbroek /*
71*b636d99dSDavid van Moolenbroek  * Local Variables:
72*b636d99dSDavid van Moolenbroek  * c-style: whitesmith
73*b636d99dSDavid van Moolenbroek  * c-basic-offset: 8
74*b636d99dSDavid van Moolenbroek  * End:
75*b636d99dSDavid van Moolenbroek  */
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