[apple/ipsec.git] / ipsec-tools / racoon / sockmisc.h

/* $Id: sockmisc.h,v 1.5.10.4 2005/10/04 09:54:27 manubsd Exp $ */

/*
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _SOCKMISC_H
#define _SOCKMISC_H

struct netaddr {
	union {
		struct sockaddr_storage sa;
		struct sockaddr_in sin;
		struct sockaddr_in6 sin6;
	} sa;
	unsigned long prefix;
};

extern const int niflags;

extern int cmpsaddrwop (const struct sockaddr_storage *, const struct sockaddr_storage *);
extern int cmpsaddrwop_withprefix(const struct sockaddr_storage *, const struct sockaddr_storage *, int);
extern int cmpsaddrwild (const struct sockaddr_storage *, const struct sockaddr_storage *);
extern int cmpsaddrstrict (const struct sockaddr_storage *, const struct sockaddr_storage *);
extern int cmpsaddrstrict_withprefix(const struct sockaddr_storage *, const struct sockaddr_storage *, int);

#ifdef ENABLE_NATT 
#define CMPSADDR(saddr1, saddr2) cmpsaddrstrict((saddr1), (saddr2))
#define CMPSADDR2(saddr1, saddr2) cmpsaddrwild((saddr1), (saddr2))
#else 
#define CMPSADDR(saddr1, saddr2) cmpsaddrwop((saddr1), (saddr2))
#define CMPSADDR2(saddr1, saddr2) cmpsaddrwop((saddr1), (saddr2))
#endif

extern struct sockaddr_storage *getlocaladdr (struct sockaddr *);

extern int recvfromto (int, void *, size_t, int,
	struct sockaddr_storage *, socklen_t *, struct sockaddr_storage *, unsigned int *);
extern int sendfromto (int, const void *, size_t,
	struct sockaddr_storage *, struct sockaddr_storage *, int);

extern int setsockopt_bypass (int, int);

extern struct sockaddr_storage *newsaddr (int);
extern struct sockaddr_storage *dupsaddr (struct sockaddr_storage *);
extern char *saddr2str (const struct sockaddr *);
extern char *saddr2str_with_prefix __P((const struct sockaddr *, int));
extern char *saddrwop2str (const struct sockaddr *);
extern char *saddr2str_fromto (const char *format, 
				   const struct sockaddr *saddr, 
				   const struct sockaddr *daddr);
extern struct sockaddr_storage *str2saddr (char *, char *);
extern void mask_sockaddr (struct sockaddr_storage *, const struct sockaddr_storage *,
	size_t);

/* struct netaddr functions */
extern char *naddrwop2str (const struct netaddr *naddr);
extern char *naddrwop2str_fromto (const char *format, const struct netaddr *saddr,
				      const struct netaddr *daddr);
extern int naddr_score(const struct netaddr *naddr, const struct sockaddr_storage *saddr);

/* Some usefull functions for sockaddr port manipulations. */
extern u_int16_t extract_port (const struct sockaddr_storage *addr);
extern u_int16_t *set_port (struct sockaddr_storage *addr, u_int16_t new_port);
extern u_int16_t *get_port_ptr (struct sockaddr_storage *addr);

#endif /* _SOCKMISC_H */
Commit	Line	Data
52b7d2ce A	1	/* $Id: sockmisc.h,v 1.5.10.4 2005/10/04 09:54:27 manubsd Exp $ */
	2
	3	/*
	4	* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
	5	* All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	* 1. Redistributions of source code must retain the above copyright
	11	* notice, this list of conditions and the following disclaimer.
	12	* 2. Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in the
	14	* documentation and/or other materials provided with the distribution.
	15	* 3. Neither the name of the project nor the names of its contributors
	16	* may be used to endorse or promote products derived from this software
	17	* without specific prior written permission.
	18	*
	19	* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
	20	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	21	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	22	* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
	23	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	24	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	25	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	26	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	27	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	28	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	29	* SUCH DAMAGE.
	30	*/
	31
	32	#ifndef _SOCKMISC_H
	33	#define _SOCKMISC_H
	34
	35	struct netaddr {
	36	union {
85f41bec	37	struct sockaddr_storage sa;
52b7d2ce A	38	struct sockaddr_in sin;
	39	struct sockaddr_in6 sin6;
	40	} sa;
	41	unsigned long prefix;
	42	};
	43
	44	extern const int niflags;
	45
65c25746	46	extern int cmpsaddrwop (const struct sockaddr_storage , const struct sockaddr_storage );
85f41bec	47	extern int cmpsaddrwop_withprefix(const struct sockaddr_storage , const struct sockaddr_storage , int);
65c25746 A	48	extern int cmpsaddrwild (const struct sockaddr_storage , const struct sockaddr_storage );
65c25746 A	49	extern int cmpsaddrstrict (const struct sockaddr_storage , const struct sockaddr_storage );
85f41bec	50	extern int cmpsaddrstrict_withprefix(const struct sockaddr_storage , const struct sockaddr_storage , int);
52b7d2ce A	51
	52	#ifdef ENABLE_NATT
	53	#define CMPSADDR(saddr1, saddr2) cmpsaddrstrict((saddr1), (saddr2))
d1e348cf	54	#define CMPSADDR2(saddr1, saddr2) cmpsaddrwild((saddr1), (saddr2))
52b7d2ce A	55	#else
52b7d2ce A	56	#define CMPSADDR(saddr1, saddr2) cmpsaddrwop((saddr1), (saddr2))
d1e348cf	57	#define CMPSADDR2(saddr1, saddr2) cmpsaddrwop((saddr1), (saddr2))
52b7d2ce A	58	#endif
52b7d2ce A	59
65c25746	60	extern struct sockaddr_storage getlocaladdr (struct sockaddr );
52b7d2ce	61
65c25746 A	62	extern int recvfromto (int, void *, size_t, int,
	63	struct sockaddr_storage , socklen_t , struct sockaddr_storage , unsigned int );
	64	extern int sendfromto (int, const void *, size_t,
	65	struct sockaddr_storage , struct sockaddr_storage , int);
52b7d2ce	66
65c25746	67	extern int setsockopt_bypass (int, int);
52b7d2ce	68
65c25746 A	69	extern struct sockaddr_storage *newsaddr (int);
	70	extern struct sockaddr_storage dupsaddr (struct sockaddr_storage );
	71	extern char saddr2str (const struct sockaddr );
85f41bec	72	extern char saddr2str_with_prefix __P((const struct sockaddr , int));
65c25746 A	73	extern char saddrwop2str (const struct sockaddr );
65c25746 A	74	extern char saddr2str_fromto (const char format,
52b7d2ce	75	const struct sockaddr *saddr,
65c25746 A	76	const struct sockaddr *daddr);
	77	extern struct sockaddr_storage str2saddr (char , char *);
	78	extern void mask_sockaddr (struct sockaddr_storage , const struct sockaddr_storage ,
	79	size_t);
52b7d2ce A	80
52b7d2ce A	81	/* struct netaddr functions */
65c25746 A	82	extern char naddrwop2str (const struct netaddr naddr);
	83	extern char naddrwop2str_fromto (const char format, const struct netaddr *saddr,
	84	const struct netaddr *daddr);
85f41bec	85	extern int naddr_score(const struct netaddr naddr, const struct sockaddr_storage saddr);
52b7d2ce A	86
52b7d2ce A	87	/* Some usefull functions for sockaddr port manipulations. */
65c25746 A	88	extern u_int16_t extract_port (const struct sockaddr_storage *addr);
	89	extern u_int16_t set_port (struct sockaddr_storage addr, u_int16_t new_port);
	90	extern u_int16_t get_port_ptr (struct sockaddr_storage addr);
52b7d2ce A	91
52b7d2ce A	92	#endif /* _SOCKMISC_H */