The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000 |
| 3 | * The Regents of the University of California. 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 the University of California, |
| 13 | * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
| 14 | * the University nor the names of its contributors may be used to endorse |
| 15 | * or promote products derived from this software without specific prior |
| 16 | * written permission. |
| 17 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 20 | */ |
| 21 | #ifndef lint |
| 22 | static const char rcsid[] _U_ = |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 23 | "@(#) $Header: /tcpdump/master/tcpdump/print-ap1394.c,v 1.5 2006-02-11 22:12:06 hannes Exp $ (LBL)"; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 24 | #endif |
| 25 | |
| 26 | #ifdef HAVE_CONFIG_H |
| 27 | #include "config.h" |
| 28 | #endif |
| 29 | |
| 30 | #include <tcpdump-stdinc.h> |
| 31 | |
| 32 | #include <stdio.h> |
| 33 | #include <pcap.h> |
| 34 | |
| 35 | #include "interface.h" |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 36 | #include "extract.h" |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 37 | #include "addrtoname.h" |
| 38 | #include "ethertype.h" |
| 39 | |
| 40 | /* |
| 41 | * Structure of a header for Apple's IP-over-IEEE 1384 BPF header. |
| 42 | */ |
| 43 | #define FIREWIRE_EUI64_LEN 8 |
| 44 | struct firewire_header { |
| 45 | u_char firewire_dhost[FIREWIRE_EUI64_LEN]; |
| 46 | u_char firewire_shost[FIREWIRE_EUI64_LEN]; |
| 47 | u_short firewire_type; |
| 48 | }; |
| 49 | |
| 50 | /* |
| 51 | * Length of that header; note that some compilers may pad |
| 52 | * "struct firewire_header" to a multiple of 4 bytes, for example, so |
| 53 | * "sizeof (struct firewire_header)" may not give the right answer. |
| 54 | */ |
| 55 | #define FIREWIRE_HDRLEN 18 |
| 56 | |
| 57 | static inline void |
| 58 | ap1394_hdr_print(register const u_char *bp, u_int length) |
| 59 | { |
| 60 | register const struct firewire_header *fp; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 61 | u_int16_t firewire_type; |
| 62 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 63 | fp = (const struct firewire_header *)bp; |
| 64 | |
| 65 | (void)printf("%s > %s", |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 66 | linkaddr_string(fp->firewire_dhost, LINKADDR_IEEE1394, FIREWIRE_EUI64_LEN), |
| 67 | linkaddr_string(fp->firewire_shost, LINKADDR_IEEE1394, FIREWIRE_EUI64_LEN)); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 68 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 69 | firewire_type = EXTRACT_16BITS(&fp->firewire_type); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 70 | if (!qflag) { |
| 71 | (void)printf(", ethertype %s (0x%04x)", |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 72 | tok2str(ethertype_values,"Unknown", firewire_type), |
| 73 | firewire_type); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 74 | } else { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 75 | (void)printf(", %s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", firewire_type)); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | (void)printf(", length %u: ", length); |
| 79 | } |
| 80 | |
| 81 | /* |
| 82 | * This is the top level routine of the printer. 'p' points |
| 83 | * to the ether header of the packet, 'h->ts' is the timestamp, |
| 84 | * 'h->len' is the length of the packet off the wire, and 'h->caplen' |
| 85 | * is the number of bytes actually captured. |
| 86 | */ |
| 87 | u_int |
| 88 | ap1394_if_print(const struct pcap_pkthdr *h, const u_char *p) |
| 89 | { |
| 90 | u_int length = h->len; |
| 91 | u_int caplen = h->caplen; |
| 92 | struct firewire_header *fp; |
| 93 | u_short ether_type; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 94 | |
| 95 | if (caplen < FIREWIRE_HDRLEN) { |
| 96 | printf("[|ap1394]"); |
| 97 | return FIREWIRE_HDRLEN; |
| 98 | } |
| 99 | |
| 100 | if (eflag) |
| 101 | ap1394_hdr_print(p, length); |
| 102 | |
| 103 | length -= FIREWIRE_HDRLEN; |
| 104 | caplen -= FIREWIRE_HDRLEN; |
| 105 | fp = (struct firewire_header *)p; |
| 106 | p += FIREWIRE_HDRLEN; |
| 107 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 108 | ether_type = EXTRACT_16BITS(&fp->firewire_type); |
| 109 | if (ethertype_print(gndo, ether_type, p, length, caplen) == 0) { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 110 | /* ether_type not known, print raw packet */ |
| 111 | if (!eflag) |
| 112 | ap1394_hdr_print((u_char *)fp, length + FIREWIRE_HDRLEN); |
| 113 | |
| 114 | if (!suppress_default_print) |
| 115 | default_print(p, caplen); |
| 116 | } |
| 117 | |
| 118 | return FIREWIRE_HDRLEN; |
| 119 | } |