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 #include <sys/cdefs.h> 21 #ifndef lint 22 __RCSID("$NetBSD: print-bt.c,v 1.6 2017/02/05 04:05:05 spz Exp $"); 23 #endif 24 25 /* \summary: Bluetooth printer */ 26 27 #ifdef HAVE_CONFIG_H 28 #include "config.h" 29 #endif 30 31 #include <netdissect-stdinc.h> 32 33 #include "netdissect.h" 34 #include "extract.h" 35 36 #if defined(DLT_BLUETOOTH_HCI_H4_WITH_PHDR) && defined(HAVE_PCAP_BLUETOOTH_H) 37 #include <pcap/bluetooth.h> 38 39 #define BT_HDRLEN sizeof(pcap_bluetooth_h4_header) 40 /* 41 * This is the top level routine of the printer. 'p' points 42 * to the bluetooth header of the packet, 'h->ts' is the timestamp, 43 * 'h->len' is the length of the packet off the wire, and 'h->caplen' 44 * is the number of bytes actually captured. 45 */ 46 u_int 47 bt_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p) 48 { 49 u_int length = h->len; 50 u_int caplen = h->caplen; 51 const pcap_bluetooth_h4_header* hdr = (const pcap_bluetooth_h4_header*)p; 52 53 if (caplen < BT_HDRLEN) { 54 ND_PRINT((ndo, "[|bt]")); 55 return (BT_HDRLEN); 56 } 57 caplen -= BT_HDRLEN; 58 length -= BT_HDRLEN; 59 p += BT_HDRLEN; 60 if (ndo->ndo_eflag) 61 ND_PRINT((ndo, "hci length %d, direction %s, ", length, (EXTRACT_32BITS(&hdr->direction)&0x1)?"in":"out")); 62 63 if (!ndo->ndo_suppress_default_print) 64 ND_DEFAULTPRINT(p, caplen); 65 66 return (BT_HDRLEN); 67 } 68 #endif 69 70 71 /* 72 * Local Variables: 73 * c-style: whitesmith 74 * c-basic-offset: 8 75 * End: 76 */ 77