mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-19 10:53:58 +00:00
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*
|
|
* 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;
|
|
}
|
|
}
|