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/*
* Copyright (c) 1990, 1991, 1993, 1994, 1995, 1996, 1997
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef lint
static const char rcsid[] =
"@(#) $Header: /tcpdump/master/tcpdump/print-vjc.c,v 1.9 2000/10/09 01:53:21 guy Exp $ (LBL)";
#endif
#include <sys/param.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <ctype.h>
#include <netdb.h>
#include <pcap.h>
#include <stdio.h>
#include "interface.h"
#include "addrtoname.h"
#include "slcompress.h"
#include "ppp.h"
int
vjc_print(register const char *bp, register u_int length, u_short proto)
{
int i;
switch (bp[0] & 0xf0) {
case TYPE_IP:
if (eflag)
printf("(vjc type=IP) ");
return PPP_IP;
case TYPE_UNCOMPRESSED_TCP:
if (eflag)
printf("(vjc type=raw TCP) ");
return PPP_IP;
case TYPE_COMPRESSED_TCP:
if (eflag)
printf("(vjc type=compressed TCP) ");
for (i = 0; i < 8; i++) {
if (bp[1] & (0x80 >> i))
printf("%c", "?CI?SAWU"[i]);
}
if (bp[1])
printf(" ");
printf("C=0x%02x ", bp[2]);
printf("sum=0x%04x ", *(u_short *)&bp[3]);
return -1;
case TYPE_ERROR:
if (eflag)
printf("(vjc type=error) ");
return -1;
default:
if (eflag)
printf("(vjc type=0x%02x) ", bp[0] & 0xf0);
return -1;
}
}
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