107 lines
3.4 KiB
C
107 lines
3.4 KiB
C
/*
|
|
* Copyright (c) 2000 Hellmuth Michaelis. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*---------------------------------------------------------------------------
|
|
*
|
|
* unknownl3.c - print L3 packets with unknown PD
|
|
* ----------------------------------------------
|
|
*
|
|
* $Id: unknownl3.c,v 1.1.1.1 2001/01/06 13:00:29 martin Exp $
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
* last edit-date: [Sun Feb 13 14:16:44 2000]
|
|
*
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#include "trace.h"
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* decode unknown protocol
|
|
*---------------------------------------------------------------------------*/
|
|
void
|
|
decode_unknownl3(char *pbuf, int n, int off, unsigned char *buf, int raw)
|
|
{
|
|
int pd;
|
|
int j;
|
|
int i;
|
|
|
|
if(n <= 0)
|
|
return;
|
|
|
|
*pbuf = '\0';
|
|
|
|
if(raw)
|
|
{
|
|
for (i = 0; i < n; i += 16)
|
|
{
|
|
sprintf((pbuf+strlen(pbuf)),"Dump:%.3d ", i+off);
|
|
for (j = 0; j < 16; j++)
|
|
if (i + j < n)
|
|
sprintf((pbuf+strlen(pbuf)),"%02x ", buf[i + j]);
|
|
else
|
|
sprintf((pbuf+strlen(pbuf))," ");
|
|
sprintf((pbuf+strlen(pbuf))," ");
|
|
for (j = 0; j < 16 && i + j < n; j++)
|
|
if (isprint(buf[i + j]))
|
|
sprintf((pbuf+strlen(pbuf)),"%c", buf[i + j]);
|
|
else
|
|
sprintf((pbuf+strlen(pbuf)),".");
|
|
sprintf((pbuf+strlen(pbuf)),"\n");
|
|
}
|
|
}
|
|
|
|
i = 0;
|
|
|
|
/* protocol discriminator */
|
|
|
|
pd = buf[i];
|
|
|
|
sprintf((pbuf+strlen(pbuf)), "PD%02X: ", pd);
|
|
|
|
if(pd >= 0x00 && pd <= 0x07)
|
|
sprintf((pbuf+strlen(pbuf)), "pd=User-User (0x%02x)",pd);
|
|
else if(pd == 0x08)
|
|
sprintf((pbuf+strlen(pbuf)), "pd=Q.931/I.451");
|
|
else if(pd >= 0x10 && pd <= 0x3f)
|
|
sprintf((pbuf+strlen(pbuf)), "pd=Other Layer 3 or X.25 (0x%02x)",pd);
|
|
else if(pd >= 0x40 && pd <= 0x4f)
|
|
sprintf((pbuf+strlen(pbuf)), "pd=National Use (0x%02x)",pd);
|
|
else if(pd >= 0x50 && pd <= 0xfe)
|
|
sprintf((pbuf+strlen(pbuf)), "pd=Other Layer 3 or X.25 (0x%02x)",pd);
|
|
else
|
|
sprintf((pbuf+strlen(pbuf)), "pd=Reserved (0x%02x)",pd);
|
|
|
|
sprintf((pbuf+strlen(pbuf)), "\n [");
|
|
for(j = 0; j < (n-i); j++)
|
|
{
|
|
sprintf((pbuf+strlen(pbuf)),"0x%02x ", buf[j+i]);
|
|
}
|
|
|
|
sprintf((pbuf+strlen(pbuf)),"]\n");
|
|
}
|
|
|
|
/* EOF */
|
|
|