dist/tcpdump/print-eap.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (c) 2004 - Michael Richardson <mcr@xelerance.com>
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that: (1) source code distributions
   8  * retain the above copyright notice and this paragraph in its entirety, (2)
   9  * distributions including binary code include the above copyright notice and
  10  * this paragraph in its entirety in the documentation or other materials
  11  * provided with the distribution, and (3) all advertising materials mentioning
  12  * features or use of this software display the following acknowledgement:
  13  * ``This product includes software developed by the University of California,
  14  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  15  * the University nor the names of its contributors may be used to endorse
  16  * or promote products derived from this software without specific prior
  17  * written permission.
  18  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  19  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  20  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  21  *
  22  * Format and print bootp packets.
  23  */
  24
  25 #include <sys/cdefs.h>
  26 #ifndef lint
  27 #if 0
  28 static const char rcsid[] _U_ =
  29     "@(#) Header: /tcpdump/master/tcpdump/print-eap.c,v 1.3 2004/04/23 19:03:39 mcr Exp";
  30 #else
  31 __RCSID("$NetBSD: tcpdump2rcsid.ex,v 1.1 2001/06/25 20:09:58 itojun 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 <stdio.h>
  42 #include <string.h>
  43
  44 #include "netdissect.h"
  45 #include "addrtoname.h"
  46 #include "extract.h"
  47 #include "ether.h"
  48
  49 struct eap_packet_t {
  50         unsigned char   code;
  51         unsigned char   id;
  52         unsigned char   length[2];
  53         unsigned char   data[1];
  54 };
  55
  56 /*
  57  * Print bootp requests
  58  */
  59 void
  60 eap_print(netdissect_options *ndo,
  61           register const u_char *cp,
  62           u_int length _U_)
  63 {
  64         const struct eap_packet_t *eap;
  65
  66         eap = (const struct eap_packet_t *)cp;
  67         ND_TCHECK(eap->data);
  68
  69         ND_PRINT((ndo, "EAP code=%u id=%u length=%u ",
  70                   eap->code, eap->id, (eap->length[0]<<8) + eap->length[1]));
  71
  72         if (!ndo->ndo_vflag)
  73             return;
  74
  75 trunc:
  76         ;
  77 }
  78