NetBSD/usr.sbin/isdn/isdntrace/unknownl3.c
martin fbf08005d7 Import of essential ISDN4BSD userland utilities and their documentation.
The left out parts (which have not been installed by ISDN4BSD on NetBSD
anyway), may be added as pkgs later (if demand exists).
2001-01-06 13:00:10 +00:00

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 */