_netbios.c

This directory contains source code for tcpdump, a tool for network monitoring and data acquisition

/* 
 * Copyright (c) 1994, 1995, 1996
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that: (1) source code distributions
 * retain the above copyright notice and this paragraph in its entirety, (2)
 * distributions including binary code include the above copyright notice and
 * this paragraph in its entirety in the documentation or other materials
 * provided with the distribution, and (3) all advertising materials mentioning
 * features or use of this software display the following acknowledgement:
 * ``This product includes software developed by the University of California,
 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
 * the University nor the names of its contributors may be used to endorse
 * or promote products derived from this software without specific prior
 * written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

/* 
 * Format and print NETBIOS packets.
 * Contributed by Brad Parker ([e-mail]).
 */

#include <stdlib.h>
#include <stdio.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>

#include "interfac.h"
#include "a2name.h"
#include "netbios.h"
#include "extract.h"

/* 
 * Print NETBIOS packets.
 */
void netbios_print (struct p8022Hdr *nb, u_int length)
{
  if (length < p8022Size)
  {
    PRINTF (" truncated-netbios %d", length);
    return;
  }

  if (nb->flags == UI)
       PUTS ("802.1 UI ");
  else PUTS ("802.1 CONN ");

  if ((u_char *) (nb + 1) > snapend)
  {
    PUTS (" [|netbios]");
    return;
  }

/* netbios_decode(nb, (u_char *)nb + p8022Size, length - p8022Size); */

#ifdef never
  PRINTF ("%s.%d > ",
          ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode),
          EXTRACT_16BITS(ipx->srcSkt));

  PRINTF ("%s.%d:",
          ipxaddr_string(EXTRACT_32BITS(ipx->dstNet), ipx->dstNode),
          EXTRACT_16BITS(ipx->dstSkt));

  if ((u_char*)(ipx + 1) > snapend)
  {
    PUTS (" [|ipx]");
    return;
  }

  /* take length from ipx header */
  length = EXTRACT_16BITS (&ipx->length);

  ipx_decode (ipx, (u_char *)ipx + ipxSize, length - ipxSize);
#endif

}