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

     /*      $FreeBSD$       */
     /*      $KAME: key.h,v 1.21 2001/07/27 03:51:30 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 _NETIPSEC_KEY_H_
    #define _NETIPSEC_KEY_H_
    
    #ifdef _KERNEL
    
    struct secpolicy;
    struct secpolicyindex;
    struct secasvar;
    struct sockaddr;
    struct socket;
    struct sadb_msg;
    struct sadb_x_policy;
    struct secasindex;
    union sockaddr_union;
    
    struct secpolicy *key_newsp(void);
    struct secpolicy *key_allocsp(struct secpolicyindex *, u_int);
    struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *);
    int key_sp2msg(struct secpolicy *, void *, size_t *);
    void key_addref(struct secpolicy *);
    void key_freesp(struct secpolicy **);
    int key_spdacquire(struct secpolicy *);
    int key_havesp(u_int);
    void key_bumpspgen(void);
    uint32_t key_getspgen(void);
    uint32_t key_newreqid(void);
    
    struct secasvar *key_allocsa(union sockaddr_union *, uint8_t, uint32_t);
    struct secasvar *key_allocsa_tunnel(union sockaddr_union *,
        union sockaddr_union *, uint8_t);
    struct secasvar *key_allocsa_policy(struct secpolicy *,
        const struct secasindex *, int *);
    struct secasvar *key_allocsa_tcpmd5(struct secasindex *);
    void key_freesav(struct secasvar **);
    
    int key_sockaddrcmp(const struct sockaddr *, const struct sockaddr *, int);
    int key_sockaddrcmp_withmask(const struct sockaddr *, const struct sockaddr *,
        size_t);
    
    int key_register_ifnet(struct secpolicy **, u_int);
    void key_unregister_ifnet(struct secpolicy **, u_int);
    
    extern u_long key_random(void);
    extern void key_randomfill(void *, size_t);
    extern void key_freereg(struct socket *);
    extern int key_parse(struct mbuf *, struct socket *);
    extern void key_init(void);
    #ifdef VIMAGE
    extern void key_destroy(void);
    #endif
    extern void key_sa_recordxfer(struct secasvar *, struct mbuf *);
    uint16_t key_portfromsaddr(struct sockaddr *);
    void key_porttosaddr(struct sockaddr *, uint16_t port);
    
    #ifdef MALLOC_DECLARE
    MALLOC_DECLARE(M_IPSEC_SA);
    MALLOC_DECLARE(M_IPSEC_SAH);
    MALLOC_DECLARE(M_IPSEC_SP);
    MALLOC_DECLARE(M_IPSEC_SR);
    MALLOC_DECLARE(M_IPSEC_MISC);
    MALLOC_DECLARE(M_IPSEC_SAQ);
    MALLOC_DECLARE(M_IPSEC_SAR);
    MALLOC_DECLARE(M_IPSEC_INPCB);
    #endif /* MALLOC_DECLARE */
    
    #endif /* defined(_KERNEL) */
    #endif /* _NETIPSEC_KEY_H_ */

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