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/*
* 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 1.2 2000/02/13 15:26:52 hm 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 */
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