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 $
33 * $DragonFly: src/usr.sbin/i4b/isdntrace/unknownl3.c,v 1.2 2003/06/17 04:29:55 dillon Exp $
35 * last edit-date: [Sun Feb 13 14:16:44 2000]
37 *---------------------------------------------------------------------------*/
41 /*---------------------------------------------------------------------------*
42 * decode unknown protocol
43 *---------------------------------------------------------------------------*/
45 decode_unknownl3(char *pbuf
, int n
, int off
, unsigned char *buf
, int raw
)
58 for (i
= 0; i
< n
; i
+= 16)
60 sprintf((pbuf
+strlen(pbuf
)),"Dump:%.3d ", i
+off
);
61 for (j
= 0; j
< 16; j
++)
63 sprintf((pbuf
+strlen(pbuf
)),"%02x ", buf
[i
+ j
]);
65 sprintf((pbuf
+strlen(pbuf
))," ");
66 sprintf((pbuf
+strlen(pbuf
))," ");
67 for (j
= 0; j
< 16 && i
+ j
< n
; j
++)
68 if (isprint(buf
[i
+ j
]))
69 sprintf((pbuf
+strlen(pbuf
)),"%c", buf
[i
+ j
]);
71 sprintf((pbuf
+strlen(pbuf
)),".");
72 sprintf((pbuf
+strlen(pbuf
)),"\n");
78 /* protocol discriminator */
82 sprintf((pbuf
+strlen(pbuf
)), "PD%02X: ", pd
);
84 if(pd
>= 0x00 && pd
<= 0x07)
85 sprintf((pbuf
+strlen(pbuf
)), "pd=User-User (0x%02x)",pd
);
87 sprintf((pbuf
+strlen(pbuf
)), "pd=Q.931/I.451");
88 else if(pd
>= 0x10 && pd
<= 0x3f)
89 sprintf((pbuf
+strlen(pbuf
)), "pd=Other Layer 3 or X.25 (0x%02x)",pd
);
90 else if(pd
>= 0x40 && pd
<= 0x4f)
91 sprintf((pbuf
+strlen(pbuf
)), "pd=National Use (0x%02x)",pd
);
92 else if(pd
>= 0x50 && pd
<= 0xfe)
93 sprintf((pbuf
+strlen(pbuf
)), "pd=Other Layer 3 or X.25 (0x%02x)",pd
);
95 sprintf((pbuf
+strlen(pbuf
)), "pd=Reserved (0x%02x)",pd
);
97 sprintf((pbuf
+strlen(pbuf
)), "\n [");
98 for(j
= 0; j
< (n
-i
); j
++)
100 sprintf((pbuf
+strlen(pbuf
)),"0x%02x ", buf
[j
+i
]);
103 sprintf((pbuf
+strlen(pbuf
)),"]\n");