1 /* 2 * Copyright (c) 1995 Andrew McRae. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 12 * 3. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 struct tuple { 30 struct tuple *next; 31 unsigned char code; 32 int length; 33 unsigned char *data; 34 }; 35 36 struct tuple_list { 37 struct tuple_list *next; 38 struct tuple *tuples; 39 off_t offs; 40 int flags; 41 }; 42 43 struct tuple_info { 44 const char *name; 45 unsigned char code; 46 unsigned char length; /* 255 means variable length */ 47 }; 48 49 #define tpl32(tp) ((*((tp) + 3) << 24) | \ 50 (*((tp) + 2) << 16) | \ 51 (*((tp) + 1) << 8) | *(tp)) 52 #define tpl24(tp) ((*((tp) + 2) << 16) | \ 53 (*((tp) + 1) << 8) | *(tp)) 54 #define tpl16(tp) ((*((tp) + 1) << 8) | *(tp)) 55 56 void dumpcis(struct tuple_list *); 57 void freecis(struct tuple_list *); 58 struct tuple_list *readcis(int); 59 60 const char *tuple_name(unsigned char); 61 u_int parse_num(int, u_char *, u_char **, int); 62