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