1 /*
2 * Copyright (c) 2004 - Michael Richardson <mcr@xelerance.com>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that: (1) source code distributions
6 * retain the above copyright notice and this paragraph in its entirety, (2)
7 * distributions including binary code include the above copyright notice and
8 * this paragraph in its entirety in the documentation or other materials
9 * provided with the distribution, and (3) all advertising materials mentioning
10 * features or use of this software display the following acknowledgement:
11 * ``This product includes software developed by the University of California,
12 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
13 * the University nor the names of its contributors may be used to endorse
14 * or promote products derived from this software without specific prior
15 * written permission.
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19 *
20 * Format and print bootp packets.
21 */
22
23 #ifndef lint
24 static const char rcsid[] _U_ =
25 "@(#) $Header: /tcpdump/master/tcpdump/print-eap.c,v 1.3 2004/04/23 19:03:39 mcr Exp $";
26 #endif
27
28 #ifdef HAVE_CONFIG_H
29 #include "config.h"
30 #endif
31
32 #include <tcpdump-stdinc.h>
33
34 #include <stdio.h>
35 #include <string.h>
36
37 #include "netdissect.h"
38 #include "addrtoname.h"
39 #include "extract.h"
40 #include "ether.h"
41
42 struct eap_packet_t {
43 unsigned char code;
44 unsigned char id;
45 unsigned char length[2];
46 unsigned char data[1];
47 };
48
49 /*
50 * Print bootp requests
51 */
52 void
eap_print(netdissect_options * ndo,register const u_char * cp,u_int length _U_)53 eap_print(netdissect_options *ndo,
54 register const u_char *cp,
55 u_int length _U_)
56 {
57 const struct eap_packet_t *eap;
58
59 eap = (const struct eap_packet_t *)cp;
60 ND_TCHECK(eap->data);
61
62 ND_PRINT((ndo, "EAP code=%u id=%u length=%u ",
63 eap->code, eap->id, (eap->length[0]<<8) + eap->length[1]));
64
65 if (!ndo->ndo_vflag)
66 return;
67
68 trunc:
69 ;
70 }
71
72