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/* $NetBSD: sockmisc.h,v 1.13 2011/03/14 17:18:13 tteras Exp $ */
/* Id: sockmisc.h,v 1.9 2005/10/05 16:55:41 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
#ifndef IP_IPSEC_POLICY
#define IP_IPSEC_POLICY 16 /* XXX: from linux/in.h */
#endif
#ifndef IPV6_IPSEC_POLICY
#define IPV6_IPSEC_POLICY 34 /* XXX: from linux/???.h per
"Tom Lendacky" <toml@us.ibm.com> */
#endif
union sockaddr_any {
struct sockaddr sa;
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
};
struct netaddr {
union sockaddr_any sa;
unsigned long prefix;
};
extern const int niflags;
#define CMPSADDR_MATCH 0
#define CMPSADDR_WILDPORT_MATCH 1
#define CMPSADDR_WOP_MATCH 2
#define CMPSADDR_MISMATCH 3
extern int cmpsaddr __P((const struct sockaddr *, const struct sockaddr *));
extern struct sockaddr *getlocaladdr __P((struct sockaddr *));
extern int recvfromto __P((int, void *, size_t, int,
struct sockaddr *, socklen_t *, struct sockaddr *, unsigned int *));
extern int sendfromto __P((int, const void *, size_t,
struct sockaddr *, struct sockaddr *, int));
extern int setsockopt_bypass __P((int, int));
extern struct sockaddr *newsaddr __P((int));
extern struct sockaddr *dupsaddr __P((struct sockaddr *));
extern char *saddr2str __P((const struct sockaddr *));
extern char *saddrwop2str __P((const struct sockaddr *));
extern char *saddr2str_fromto __P((const char *format,
const struct sockaddr *saddr,
const struct sockaddr *daddr));
extern struct sockaddr *str2saddr __P((char *, char *));
extern void mask_sockaddr __P((struct sockaddr *, const struct sockaddr *,
size_t));
/* struct netaddr functions */
extern char *naddrwop2str __P((const struct netaddr *naddr));
extern char *naddrwop2str_fromto __P((const char *format, const struct netaddr *saddr,
const struct netaddr *daddr));
extern int naddr_score(const struct netaddr *naddr, const struct sockaddr *saddr);
/* Some useful functions for sockaddr port manipulations. */
extern u_int16_t extract_port __P((const struct sockaddr *addr));
extern u_int16_t *set_port __P((struct sockaddr *addr, u_int16_t new_port));
extern u_int16_t *get_port_ptr __P((struct sockaddr *addr));
#endif /* _SOCKMISC_H */
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