xref: /openbsd-src/usr.sbin/tcpdump/print-netbios.c (revision 91f110e064cd7c194e59e019b83bb7496c1c84d4)
1 /*	$OpenBSD: print-netbios.c,v 1.8 2009/10/27 23:59:55 deraadt Exp $	*/
2 
3 /*
4  * Copyright (c) 1994, 1995, 1996
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that: (1) source code distributions
9  * retain the above copyright notice and this paragraph in its entirety, (2)
10  * distributions including binary code include the above copyright notice and
11  * this paragraph in its entirety in the documentation or other materials
12  * provided with the distribution, and (3) all advertising materials mentioning
13  * features or use of this software display the following acknowledgement:
14  * ``This product includes software developed by the University of California,
15  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
16  * the University nor the names of its contributors may be used to endorse
17  * or promote products derived from this software without specific prior
18  * written permission.
19  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
20  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
21  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22  *
23  * Format and print NETBIOS packets.
24  * Contributed by Brad Parker (brad@fcr.com).
25  */
26 
27 #include <sys/param.h>
28 #include <sys/socket.h>
29 
30 #include <netinet/in.h>
31 #include <netinet/in_systm.h>
32 #include <netinet/ip.h>
33 #include <netinet/ip_var.h>
34 #include <netinet/udp.h>
35 #include <netinet/udp_var.h>
36 #include <netinet/tcp.h>
37 
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 
42 #include "interface.h"
43 #include "addrtoname.h"
44 #include "netbios.h"
45 #include "extract.h"
46 
47 /*
48  * Print NETBIOS packets.
49  */
50 void
51 netbios_print(struct p8022Hdr *nb, u_int length)
52 {
53 	if (length < p8022Size) {
54 		printf(" truncated-netbios %d", length);
55 		return;
56 	}
57 
58 	TCHECK(*nb);
59 
60 	if (nb->flags == UI)
61 		printf("802.1 UI ");
62 	else
63 		printf("802.1 CONN ");
64 
65 #if 0
66 	netbios_decode(nb, (u_char *)nb + p8022Size, length - p8022Size);
67 #endif
68 
69 trunc:
70 	printf("[|netbios]");
71 }
72