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/*
* Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
* 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 Niels Provos.
* 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.
*/
/* $Id: spi.h,v 1.1 1998/11/14 23:37:29 deraadt Exp $ */
/*
* spi.h:
* security paramter index creation.
*/
#ifndef _SPI_H_
#define _SPI_H_
#include "state.h"
#undef EXTERN
#ifdef _SPI_C_
#define EXTERN
#else
#define EXTERN extern
#endif
#define SPI_LIFETIME 1800 /* 30 minutes default lifetime */
#define SPI_OWNER 1
#define SPI_NOTIFY 2
#define SPI_TUNNEL 4
struct spiob {
struct spiob *next; /* Linked list */
char *address;
char *local_address;
in_addr_t isrc, ismask;
in_addr_t idst, idmask;
int flags;
u_int8_t SPI[SPI_SIZE]; /* SPI */
u_int8_t icookie[COOKIE_SIZE]; /* Initator cookie */
u_int8_t *attributes; /* SPI attributes */
u_int16_t attribsize;
u_int8_t *sessionkey; /* to be delete after use */
u_int16_t sessionkeysize;
time_t lifetime; /* Lifetime for the SPI */
};
EXTERN time_t getspilifetime(struct stateob *st);
EXTERN int make_spi(struct stateob *st, char *local_address,
u_int8_t *SPI, time_t *lifetime,
u_int8_t **attributes, u_int16_t *attribsize);
EXTERN int spi_set_tunnel(struct stateob *st, struct spiob *spi);
EXTERN int spi_insert(struct spiob *);
EXTERN int spi_unlink(struct spiob *);
EXTERN struct spiob *spi_new(char *, u_int8_t *);
EXTERN int spi_value_reset(struct spiob *);
EXTERN struct spiob *spi_find_attrib(char *address,
u_int8_t *attrib, u_int16_t attribsize);
EXTERN struct spiob *spi_find(char *, u_int8_t *);
EXTERN struct spiob *spi_root(void);
EXTERN void spi_cleanup(void);
EXTERN void spi_expire(void);
#endif /* _SPI_H */
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