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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: kernel.h,v 1.4 1998/03/04 11:43:33 provos Exp $ */
/*
* kernel.h:
* security paramter index creation.
*/
#ifndef _KERNEL_H_
#define _KERNEL_H_
#undef EXTERN
#ifdef _KERNEL_C_
#define EXTERN
#define ESP_OLD 0x01
#define ESP_NEW 0x02
#define AH_OLD 0x04
#define AH_NEW 0x08
#define XF_ENC 0x10
#define XF_AUTH 0x20
int kernel_xf_set(struct encap_msghdr *em);
int kernel_xf_read(struct encap_msghdr *em, int msglen);
int kernel_ah(attrib_t *ob, struct spiob *SPI, u_int8_t *secrets);
int kernel_esp(attrib_t *ob, attrib_t *ob2, struct spiob *SPI,
u_int8_t *secrets);
int kernel_group_spi(char *address, u_int8_t *spi);
int kernel_enable_spi(in_addr_t isrc, in_addr_t ismask,
in_addr_t idst, in_addr_t idmask,
char *address, u_int8_t *spi, int proto, int flags);
int kernel_disable_spi(in_addr_t isrc, in_addr_t ismask,
in_addr_t idst, in_addr_t idmask,
char *address, u_int8_t *spi, int proto, int flags);
int kernel_delete_spi(char *address, u_int8_t *spi, int proto);
#else
#define EXTERN extern
#endif
EXTERN int kernel_get_offset(int id);
EXTERN int kernel_valid(int encoff, int authoff);
EXTERN u_int32_t kernel_reserve_spi( char *srcaddress, int options);
EXTERN u_int32_t kernel_reserve_single_spi(char *srcaddress, u_int32_t spi,
int proto);
EXTERN int kernel_insert_spi(struct spiob *SPI);
EXTERN int kernel_unlink_spi(struct spiob *ospi);
EXTERN int init_kernel(void);
EXTERN int kernel_get_socket(void);
#endif /* _KERNEL_H */
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