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 /* \summary: Bluetooth printer */
21 
22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25 
26 #include <netdissect-stdinc.h>
27 
28 #include "netdissect.h"
29 #include "extract.h"
30 
31 #if defined(DLT_BLUETOOTH_HCI_H4_WITH_PHDR) && defined(HAVE_PCAP_BLUETOOTH_H)
32 #include <pcap/bluetooth.h>
33 
34 #define	BT_HDRLEN sizeof(pcap_bluetooth_h4_header)
35 /*
36  * This is the top level routine of the printer.  'p' points
37  * to the bluetooth header of the packet, 'h->ts' is the timestamp,
38  * 'h->len' is the length of the packet off the wire, and 'h->caplen'
39  * is the number of bytes actually captured.
40  */
41 u_int
bt_if_print(netdissect_options * ndo,const struct pcap_pkthdr * h,const u_char * p)42 bt_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p)
43 {
44 	u_int length = h->len;
45 	u_int caplen = h->caplen;
46 	const pcap_bluetooth_h4_header* hdr = (const pcap_bluetooth_h4_header*)p;
47 
48 	if (caplen < BT_HDRLEN) {
49 		ND_PRINT((ndo, "[|bt]"));
50 		return (BT_HDRLEN);
51 	}
52 	caplen -= BT_HDRLEN;
53 	length -= BT_HDRLEN;
54 	p += BT_HDRLEN;
55 	if (ndo->ndo_eflag)
56 		ND_PRINT((ndo, "hci length %d, direction %s, ", length, (EXTRACT_32BITS(&hdr->direction)&0x1)?"in":"out"));
57 
58 	if (!ndo->ndo_suppress_default_print)
59 		ND_DEFAULTPRINT(p, caplen);
60 
61 	return (BT_HDRLEN);
62 }
63 #endif
64 
65 
66 /*
67  * Local Variables:
68  * c-style: whitesmith
69  * c-basic-offset: 8
70  * End:
71  */
72