print-netbios.c revision 1.2 
1/*
2 * Copyright (c) 1994, 1995, 1996
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 * Format and print NETBIOS packets.
22 * Contributed by Brad Parker (brad@fcr.com).
23 */
24
25#include <sys/cdefs.h>
26#ifndef lint
27#if 0
28static const char rcsid[] _U_ =
29    "@(#) Header: /tcpdump/master/tcpdump/print-netbios.c,v 1.20 2003-11-16 09:36:29 guy Exp";
30#else
31__RCSID("$NetBSD: print-netbios.c,v 1.2 2010/12/05 05:11:30 christos Exp $");
32#endif
33#endif
34
35#ifdef HAVE_CONFIG_H
36#include "config.h"
37#endif
38
39#include <tcpdump-stdinc.h>
40
41#include <stdlib.h>
42#include <stdio.h>
43#include <string.h>
44
45#include "interface.h"
46#include "addrtoname.h"
47#include "netbios.h"
48#include "extract.h"
49
50/*
51 * Print NETBIOS packets.
52 */
53void
54netbios_print(struct p8022Hdr *nb, u_int length)
55{
56	if (length < p8022Size) {
57		(void)printf(" truncated-netbios %d", length);
58		return;
59	}
60
61	if (nb->flags == UI) {
62	    (void)printf("802.1 UI ");
63	} else {
64	    (void)printf("802.1 CONN ");
65	}
66
67	if ((u_char *)(nb + 1) > snapend) {
68		printf(" [|netbios]");
69		return;
70	}
71
72/*
73	netbios_decode(nb, (u_char *)nb + p8022Size, length - p8022Size);
74*/
75}
76
77#ifdef never
78	(void)printf("%s.%d > ",
79		     ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode),
80		     EXTRACT_16BITS(ipx->srcSkt));
81
82	(void)printf("%s.%d:",
83		     ipxaddr_string(EXTRACT_32BITS(ipx->dstNet), ipx->dstNode),
84		     EXTRACT_16BITS(ipx->dstSkt));
85
86	if ((u_char *)(ipx + 1) > snapend) {
87		printf(" [|ipx]");
88		return;
89	}
90
91	/* take length from ipx header */
92	length = EXTRACT_16BITS(&ipx->length);
93
94	ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize);
95#endif
96
97