mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-04 01:38:57 +00:00
686cdd19b1
API changes: - additional IPv6 ioctls - IPsec PF_KEY API was changed, it is mandatory to upgrade setkey(8). (also syntax change)
102 lines
3.5 KiB
C
102 lines
3.5 KiB
C
/* $FreeBSD$ */
|
|
/* $KAME: esp.h,v 1.8 2000/07/02 13:23:33 itojun Exp $ */
|
|
|
|
/*
|
|
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
|
* 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. Neither the name of the project nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 THE PROJECT 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.
|
|
*/
|
|
|
|
/*
|
|
* RFC1827/2406 Encapsulated Security Payload.
|
|
*/
|
|
|
|
#ifndef _NETINET6_ESP_H_
|
|
#define _NETINET6_ESP_H_
|
|
|
|
struct secasvar;
|
|
|
|
struct esp {
|
|
u_int32_t esp_spi; /* ESP */
|
|
/*variable size, 32bit bound*/ /* Initialization Vector */
|
|
/*variable size*/ /* Payload data */
|
|
/*variable size*/ /* padding */
|
|
/*8bit*/ /* pad size */
|
|
/*8bit*/ /* next header */
|
|
/*8bit*/ /* next header */
|
|
/*variable size, 32bit bound*/ /* Authentication data (new IPsec) */
|
|
};
|
|
|
|
struct newesp {
|
|
u_int32_t esp_spi; /* ESP */
|
|
u_int32_t esp_seq; /* Sequence number */
|
|
/*variable size*/ /* (IV and) Payload data */
|
|
/*variable size*/ /* padding */
|
|
/*8bit*/ /* pad size */
|
|
/*8bit*/ /* next header */
|
|
/*8bit*/ /* next header */
|
|
/*variable size, 32bit bound*/ /* Authentication data */
|
|
};
|
|
|
|
struct esptail {
|
|
u_int8_t esp_padlen; /* pad length */
|
|
u_int8_t esp_nxt; /* Next header */
|
|
/*variable size, 32bit bound*/ /* Authentication data (new IPsec)*/
|
|
};
|
|
|
|
struct esp_algorithm_state {
|
|
struct secasvar *sav;
|
|
void* foo; /*per algorithm data - maybe*/
|
|
};
|
|
|
|
/* XXX yet to be defined */
|
|
struct esp_algorithm {
|
|
size_t padbound; /* pad boundary, in byte */
|
|
int (*mature) __P((struct secasvar *));
|
|
int keymin; /* in bits */
|
|
int keymax; /* in bits */
|
|
const char *name;
|
|
int (*ivlen) __P((struct secasvar *));
|
|
int (*decrypt) __P((struct mbuf *, size_t,
|
|
struct secasvar *, struct esp_algorithm *, int));
|
|
int (*encrypt) __P((struct mbuf *, size_t, size_t,
|
|
struct secasvar *, struct esp_algorithm *, int));
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
extern struct esp_algorithm esp_algorithms[];
|
|
|
|
/* crypt routines */
|
|
extern int esp4_output __P((struct mbuf *, struct ipsecrequest *));
|
|
extern void esp4_input __P((struct mbuf *, ...));
|
|
extern size_t esp_hdrsiz __P((struct ipsecrequest *));
|
|
#endif /*_KERNEL*/
|
|
|
|
extern int esp_auth __P((struct mbuf *, size_t, size_t,
|
|
struct secasvar *, u_char *));
|
|
|
|
#endif /*_NETINET6_ESP_H_*/
|