1 /* $OpenBSD: util.h,v 1.11 2001/07/05 12:36:59 ho Exp $ */ 2 /* $EOM: util.h,v 1.10 2000/10/24 13:33:39 niklas Exp $ */ 3 4 /* 5 * Copyright (c) 1998 Niklas Hallqvist. All rights reserved. 6 * Copyright (c) 2001 H�kan Olsson. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Ericsson Radio Systems. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * This code was written under funding by Ericsson Radio Systems. 36 */ 37 38 #ifndef _UTIL_H_ 39 #define _UTIL_H_ 40 41 #include <sys/types.h> 42 43 #define ROUNDUP_32(x) (((x) + 3) & ~4) 44 45 extern int allow_name_lookups; 46 extern int regrand; 47 extern unsigned long seed; 48 49 struct message; 50 struct sockaddr; 51 52 extern u_int16_t decode_16 (u_int8_t *); 53 extern u_int32_t decode_32 (u_int8_t *); 54 extern u_int64_t decode_64 (u_int8_t *); 55 #if 0 56 extern void decode_128 (u_int8_t *, u_int8_t *); 57 #endif 58 extern void encode_16 (u_int8_t *, u_int16_t); 59 extern void encode_32 (u_int8_t *, u_int32_t); 60 extern void encode_64 (u_int8_t *, u_int64_t); 61 #if 0 62 extern void encode_128 (u_int8_t *, u_int8_t *); 63 #endif 64 extern u_int8_t *getrandom (u_int8_t *, size_t); 65 extern int hex2raw (char *, u_int8_t *, size_t); 66 extern int sockaddr2text (struct sockaddr *, char **, int); 67 extern void util_ntoa (char **, int, u_int8_t *); 68 extern int text2sockaddr (char *, char *, struct sockaddr **); 69 extern int sockaddr_len (struct sockaddr *); 70 extern u_int8_t *sockaddr_data (struct sockaddr *); 71 extern int zero_test (const u_int8_t *, size_t); 72 extern int ones_test (const u_int8_t *, size_t); 73 extern int check_file_secrecy (char *, off_t *); 74 75 #endif /* _UTIL_H_ */ 76