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107 lines
3.4 KiB
C
107 lines
3.4 KiB
C
/*
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* Copyright (c) 2000 Hellmuth Michaelis. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*---------------------------------------------------------------------------
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*
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* unknownl3.c - print L3 packets with unknown PD
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* ----------------------------------------------
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*
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* $Id: unknownl3.c,v 1.2 2000/02/13 15:26:52 hm Exp $
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*
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* $FreeBSD$
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*
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* last edit-date: [Sun Feb 13 14:16:44 2000]
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*
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*---------------------------------------------------------------------------*/
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#include "trace.h"
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/*---------------------------------------------------------------------------*
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* decode unknown protocol
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*---------------------------------------------------------------------------*/
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void
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decode_unknownl3(char *pbuf, int n, int off, unsigned char *buf, int raw)
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{
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int pd;
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int j;
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int i;
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if(n <= 0)
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return;
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*pbuf = '\0';
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if(raw)
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{
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for (i = 0; i < n; i += 16)
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{
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sprintf((pbuf+strlen(pbuf)),"Dump:%.3d ", i+off);
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for (j = 0; j < 16; j++)
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if (i + j < n)
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sprintf((pbuf+strlen(pbuf)),"%02x ", buf[i + j]);
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else
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sprintf((pbuf+strlen(pbuf))," ");
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sprintf((pbuf+strlen(pbuf))," ");
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for (j = 0; j < 16 && i + j < n; j++)
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if (isprint(buf[i + j]))
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sprintf((pbuf+strlen(pbuf)),"%c", buf[i + j]);
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else
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sprintf((pbuf+strlen(pbuf)),".");
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sprintf((pbuf+strlen(pbuf)),"\n");
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}
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}
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i = 0;
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/* protocol discriminator */
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pd = buf[i];
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sprintf((pbuf+strlen(pbuf)), "PD%02X: ", pd);
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if(pd >= 0x00 && pd <= 0x07)
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sprintf((pbuf+strlen(pbuf)), "pd=User-User (0x%02x)",pd);
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else if(pd == 0x08)
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sprintf((pbuf+strlen(pbuf)), "pd=Q.931/I.451");
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else if(pd >= 0x10 && pd <= 0x3f)
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sprintf((pbuf+strlen(pbuf)), "pd=Other Layer 3 or X.25 (0x%02x)",pd);
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else if(pd >= 0x40 && pd <= 0x4f)
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sprintf((pbuf+strlen(pbuf)), "pd=National Use (0x%02x)",pd);
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else if(pd >= 0x50 && pd <= 0xfe)
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sprintf((pbuf+strlen(pbuf)), "pd=Other Layer 3 or X.25 (0x%02x)",pd);
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else
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sprintf((pbuf+strlen(pbuf)), "pd=Reserved (0x%02x)",pd);
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sprintf((pbuf+strlen(pbuf)), "\n [");
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for(j = 0; j < (n-i); j++)
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{
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sprintf((pbuf+strlen(pbuf)),"0x%02x ", buf[j+i]);
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}
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sprintf((pbuf+strlen(pbuf)),"]\n");
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}
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/* EOF */
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