xref: /openbsd/sbin/isakmpd/util.h (revision 599f6aa2)
1 /* $OpenBSD: util.h,v 1.31 2014/01/22 22:17:16 deraadt 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, 2004 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  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /*
30  * This code was written under funding by Ericsson Radio Systems.
31  */
32 
33 #ifndef _UTIL_H_
34 #define _UTIL_H_
35 
36 #include <sys/types.h>
37 #include <sys/time.h>
38 
39 extern int      allow_name_lookups;
40 
41 extern int      sysdep_cleartext(int, int);
42 
43 struct message;
44 struct sockaddr;
45 
46 extern int      check_file_secrecy_fd(int, char *, size_t *);
47 extern u_int16_t decode_16(u_int8_t *);
48 extern u_int32_t decode_32(u_int8_t *);
49 extern void     encode_16(u_int8_t *, u_int16_t);
50 extern void     encode_32(u_int8_t *, u_int32_t);
51 extern u_int32_t rand_32(void);
52 extern u_int8_t *getrandom(u_int8_t *, size_t);
53 extern int      hex2raw(char *, u_int8_t *, size_t);
54 extern char 	*raw2hex(u_int8_t *, size_t);
55 extern int      sockaddr2text(struct sockaddr *, char **, int);
56 extern u_int8_t *sockaddr_addrdata(struct sockaddr *);
57 extern int      sockaddr_addrlen(struct sockaddr *);
58 extern in_port_t sockaddr_port(struct sockaddr *);
59 extern void	sockaddr_set_port(struct sockaddr *, in_port_t);
60 extern in_port_t text2port(char *);
61 extern int      text2sockaddr(char *, char *, struct sockaddr **,
62 		    sa_family_t, int);
63 extern void     util_ntoa(char **, int, u_int8_t *);
64 extern int      zero_test(const u_int8_t *, size_t);
65 extern long	get_timeout(struct timeval *);
66 extern int	expand_string(char *, size_t, const char *, const char *);
67 
68 #endif				/* _UTIL_H_ */
69