The Tcpdump Group git mirrors - tcpdump/blob - print-netbios.c

   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 #ifndef lint
  26 static const char rcsid[] =
  27     "@(#) $Header: /tcpdump/master/tcpdump/print-netbios.c,v 1.13 1999-11-21 09:36:57 fenner Exp $";
  28 #endif
  29
  30 #ifdef HAVE_CONFIG_H
  31 #include "config.h"
  32 #endif
  33
  34 #include <sys/param.h>
  35 #include <sys/socket.h>
  36
  37 #include <netinet/in.h>
  38 #include <netinet/in_systm.h>
  39 #include <netinet/ip.h>
  40 #include <netinet/ip_var.h>
  41 #include <netinet/udp.h>
  42 #include <netinet/udp_var.h>
  43 #include <netinet/tcp.h>
  44 #include <netinet/tcpip.h>
  45
  46 #ifdef __STDC__
  47 #include <stdlib.h>
  48 #endif
  49 #include <stdio.h>
  50 #include <string.h>
  51
  52 #include "interface.h"
  53 #include "addrtoname.h"
  54 #include "netbios.h"
  55 #include "extract.h"
  56
  57 /*
  58  * Print NETBIOS packets.
  59  */
  60 void
  61 netbios_print(struct p8022Hdr *nb, u_int length)
  62 {
  63         if (length < p8022Size) {
  64                 (void)printf(" truncated-netbios %d", length);
  65                 return;
  66         }
  67
  68         if (nb->flags == UI) {
  69             (void)printf("802.1 UI ");
  70         } else {
  71             (void)printf("802.1 CONN ");
  72         }
  73
  74         if ((u_char *)(nb + 1) > snapend) {
  75                 printf(" [|netbios]");
  76                 return;
  77         }
  78
  79 /*
  80         netbios_decode(nb, (u_char *)nb + p8022Size, length - p8022Size);
  81 */
  82 }
  83
  84 #ifdef never
  85         (void)printf("%s.%d > ",
  86                      ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode),
  87                      EXTRACT_16BITS(ipx->srcSkt));
  88
  89         (void)printf("%s.%d:",
  90                      ipxaddr_string(EXTRACT_32BITS(ipx->dstNet), ipx->dstNode),
  91                      EXTRACT_16BITS(ipx->dstSkt));
  92
  93         if ((u_char *)(ipx + 1) > snapend) {
  94                 printf(" [|ipx]");
  95                 return;
  96         }
  97
  98         /* take length from ipx header */
  99         length = EXTRACT_16BITS(&ipx->length);
 100
 101         ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize);
 102 #endif
 103