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/*-
* Copyright (c) 2013-2015 Varnish Software AS
* All rights reserved.
*
* Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
*
* SPDX-License-Identifier: BSD-2-Clause
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 VSA_H_INCLUDED
#define VSA_H_INCLUDED
struct suckaddr;
extern const size_t vsa_suckaddr_len;
extern const struct suckaddr *bogo_ip;
extern const struct suckaddr *bogo_ip6;
void VSA_Init(void);
int VSA_Sane(const struct suckaddr *);
unsigned VSA_Port(const struct suckaddr *);
int VSA_Compare(const struct suckaddr *, const struct suckaddr *);
int VSA_Compare_IP(const struct suckaddr *, const struct suckaddr *);
const struct suckaddr *VSA_Clone(const struct suckaddr *sua);
const struct suckaddr *VSA_getsockname(int, void *, size_t);
const struct suckaddr *VSA_getpeername(int, void *, size_t);
void VSA_free(const struct suckaddr **);
const void *VSA_Get_Sockaddr(const struct suckaddr *, socklen_t *sl);
int VSA_Get_Proto(const struct suckaddr *);
/*
* 's' is a sockaddr of some kind, 'sal' is its length
*/
const struct suckaddr *VSA_Malloc(const void *s, unsigned sal);
/*
* 'd' can point to vsa_suckaddr_len aligned bytes of storage, but
* if it is NULL, malloc will be called.
* 's' is a sockaddr of some kind, 'sal' is its length.
*/
const struct suckaddr *VSA_Build(void *d, const void *s, unsigned sal);
/* 'd' SHALL point to vsa_suckaddr_len aligned bytes of storage
*
* fam: address family
* a / al : address and length
* p / pl : port and length
*
* NULL or 0 length argument are ignored.
* argument of the wrong length are an error (NULL return value, EINVAL)
*/
const struct suckaddr * VSA_BuildFAP(void *d, sa_family_t fam,
const void *a, unsigned al, const void *p, unsigned pl);
/*
* This VRT interface is for the VCC generated ACL code, which needs
* to know the address family and a pointer to the actual address.
*/
int VSA_GetPtr(const struct suckaddr *sua, const unsigned char ** dst);
#endif
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