/* * 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 1.2 1999/03/27 21:18:02 provos 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 #define SPI_ESP 8 /* Is used for ESP */ 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 */