/* * 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 */