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