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