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/* $OpenBSD: pf_encap.h,v 1.7 1999/05/01 20:43:44 niklas Exp $ */
/* $EOM: pf_encap.h,v 1.12 1999/05/01 20:21:13 niklas Exp $ */
/*
* Copyright (c) 1998, 1999 Niklas Hallqvist. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Ericsson Radio Systems.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* This code was written under funding by Ericsson Radio Systems.
*/
#ifndef _PF_ENCAP_H_
#define _PF_ENCAP_H_
#include <sys/types.h>
#include <sys/queue.h>
struct proto;
struct sa;
struct sockaddr;
struct pf_encap_node {
/* Link to next node. */
TAILQ_ENTRY (pf_encap_node) link;
/* The message itself. */
struct encap_msghdr *emsg;
/* The callback function and its argument. */
void (*callback) (void *);
void *arg;
};
extern void pf_encap_connection_check (char *);
extern int pf_encap_delete_spi (struct sa *, struct proto *, int);
extern int pf_encap_enable_sa (struct sa *);
extern int pf_encap_enable_spi (in_addr_t, in_addr_t, in_addr_t, in_addr_t,
u_int8_t *, u_int8_t, in_addr_t);
extern u_int8_t *pf_encap_get_spi (size_t *, u_int8_t, struct sockaddr *, int,
struct sockaddr *, int);
extern int pf_encap_group_spis (struct sa *, struct proto *, struct proto *,
int);
extern void pf_encap_handler (int);
extern int pf_encap_open (void);
extern int pf_encap_set_spi (struct sa *, struct proto *, int);
#endif /* _PF_ENCAP_H_ */
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