FreeBSD/Linux Kernel Cross Reference
sys/netkey/key.h

     /*      $NetBSD: key.h,v 1.20 2005/12/11 00:02:28 elad Exp $    */
     /*      $KAME: key.h,v 1.32 2003/09/07 05:25:20 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.
     */
    
    #ifndef _NETKEY_KEY_H_
    #define _NETKEY_KEY_H_
    
    #ifdef _KERNEL
    
    #if defined(_KERNEL_OPT)
    #include "opt_ipsec.h"
    #endif
    
    #include <sys/queue.h>
    
    extern struct key_cb key_cb;
    
    extern TAILQ_HEAD(_satailq, secasvar) satailq;
    extern TAILQ_HEAD(_sptailq, secpolicy) sptailq;
    
    struct secpolicy;
    struct secpolicyindex;
    struct ipsecrequest;
    struct secasvar;
    struct sockaddr;
    struct socket;
    struct sadb_msg;
    struct sadb_x_policy;
    
    extern struct secpolicy *key_allocsp __P((u_int16_t, struct secpolicyindex *,
            u_int));
    extern int key_checkrequest
            __P((struct ipsecrequest *isr, struct secasindex *));
    extern struct secasvar *key_allocsa __P((u_int, caddr_t, caddr_t, u_int, 
                                             u_int32_t, u_int16_t, u_int16_t));
    extern struct secpolicy *key_getspbyid __P((u_int32_t));
    extern void key_freesp __P((struct secpolicy *));
    extern void key_freesav __P((struct secasvar *));
    extern struct secpolicy *key_newsp __P((u_int32_t));
    extern struct secpolicy *key_msg2sp __P((struct sadb_x_policy *,
            size_t, int *));
    extern struct mbuf *key_sp2msg __P((struct secpolicy *));
    extern int key_cmpspidx_exactly
            __P((struct secpolicyindex *, struct secpolicyindex *));
    extern int key_cmpspidx_withmask
            __P((struct secpolicyindex *, struct secpolicyindex *));
    extern int key_spdacquire __P((struct secpolicy *));
    extern struct mbuf *key_setdumpsp __P((struct secpolicy *,
            u_int8_t, u_int32_t, u_int32_t));
    extern void key_timehandler __P((void *));
    extern void key_randomfill __P((void *, size_t));
    extern void key_freereg __P((struct socket *));
    struct mbuf *key_setdumpsa_spi __P((u_int32_t));
    extern int key_parse __P((struct mbuf *, struct socket *));
    extern void key_init __P((void));
    extern int key_checktunnelsanity __P((struct secasvar *, u_int,
                                            caddr_t, caddr_t));
    extern void key_sa_recordxfer __P((struct secasvar *, struct mbuf *));
    extern void key_sa_routechange __P((struct sockaddr *));
    extern void key_sa_stir_iv __P((struct secasvar *));
    
    extern int key_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
    #ifdef IPSEC_NAT_T
    u_int16_t key_portfromsaddr __P((struct sockaddr *));
    #define KEY_PORTFROMSADDR(saddr) key_portfromsaddr((struct sockaddr *)(saddr))
    #endif
    
    #endif /* defined(_KERNEL) */
    #endif /* !_NETKEY_KEY_H_ */

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