2 * Copyright (c) 2000 Hellmuth Michaelis. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 *---------------------------------------------------------------------------
27 * unknownl3.c - print L3 packets with unknown PD
28 * ----------------------------------------------
30 * $Id: unknownl3.c,v 1.2 2000/02/13 15:26:52 hm Exp $
32 * $FreeBSD: src/usr.sbin/i4b/isdntrace/unknownl3.c,v 1.1.2.1 2001/08/01 23:07:06 obrien Exp $
34 * last edit-date: [Sun Feb 13 14:16:44 2000]
36 *---------------------------------------------------------------------------*/
40 /*---------------------------------------------------------------------------*
41 * decode unknown protocol
42 *---------------------------------------------------------------------------*/
44 decode_unknownl3(char *pbuf, int n, int off, unsigned char *buf, int raw)
57 for (i = 0; i < n; i += 16)
59 sprintf((pbuf+strlen(pbuf)),"Dump:%.3d ", i+off);
60 for (j = 0; j < 16; j++)
62 sprintf((pbuf+strlen(pbuf)),"%02x ", buf[i + j]);
64 sprintf((pbuf+strlen(pbuf))," ");
65 sprintf((pbuf+strlen(pbuf))," ");
66 for (j = 0; j < 16 && i + j < n; j++)
67 if (isprint(buf[i + j]))
68 sprintf((pbuf+strlen(pbuf)),"%c", buf[i + j]);
70 sprintf((pbuf+strlen(pbuf)),".");
71 sprintf((pbuf+strlen(pbuf)),"\n");
77 /* protocol discriminator */
81 sprintf((pbuf+strlen(pbuf)), "PD%02X: ", pd);
83 if(pd >= 0x00 && pd <= 0x07)
84 sprintf((pbuf+strlen(pbuf)), "pd=User-User (0x%02x)",pd);
86 sprintf((pbuf+strlen(pbuf)), "pd=Q.931/I.451");
87 else if(pd >= 0x10 && pd <= 0x3f)
88 sprintf((pbuf+strlen(pbuf)), "pd=Other Layer 3 or X.25 (0x%02x)",pd);
89 else if(pd >= 0x40 && pd <= 0x4f)
90 sprintf((pbuf+strlen(pbuf)), "pd=National Use (0x%02x)",pd);
91 else if(pd >= 0x50 && pd <= 0xfe)
92 sprintf((pbuf+strlen(pbuf)), "pd=Other Layer 3 or X.25 (0x%02x)",pd);
94 sprintf((pbuf+strlen(pbuf)), "pd=Reserved (0x%02x)",pd);
96 sprintf((pbuf+strlen(pbuf)), "\n [");
97 for(j = 0; j < (n-i); j++)
99 sprintf((pbuf+strlen(pbuf)),"0x%02x ", buf[j+i]);
102 sprintf((pbuf+strlen(pbuf)),"]\n");