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      1 /*
      2  * Copyright (c) 2007
      3  *	paolo.abeni (at) 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
     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