sys/netproto/key/key.h

   1 /*      $FreeBSD: src/sys/netkey/key.h,v 1.5.2.3 2002/04/28 05:40:28 suz Exp $  */
   2 /*      $DragonFly: src/sys/netproto/key/key.h,v 1.4 2004/09/16 23:01:34 joerg Exp $    */
   3 /*      $KAME: key.h,v 1.21 2001/07/27 03:51:30 itojun Exp $    */
   4
   5 /*
   6  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. Neither the name of the project nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef _NETKEY_KEY_H_
  35 #define _NETKEY_KEY_H_
  36
  37 #ifdef _KERNEL
  38
  39 extern struct key_cb key_cb;
  40
  41 struct secpolicy;
  42 struct secpolicyindex;
  43 struct ipsecrequest;
  44 struct secasvar;
  45 struct sockaddr;
  46 struct socket;
  47 struct sadb_msg;
  48 struct sadb_x_policy;
  49
  50 extern struct secpolicy *key_allocsp (struct secpolicyindex *, u_int);
  51 extern struct secpolicy *key_gettunnel (struct sockaddr *,
  52         struct sockaddr *, struct sockaddr *, struct sockaddr *);
  53 extern int key_checkrequest
  54         (struct ipsecrequest *isr, struct secasindex *);
  55 extern struct secasvar *key_allocsa (u_int, caddr_t, caddr_t,
  56                                         u_int, u_int32_t);
  57 extern void key_freesp (struct secpolicy *);
  58 extern void key_freeso (struct socket *);
  59 extern void key_freesav (struct secasvar *);
  60 extern struct secpolicy *key_newsp (void);
  61 extern struct secpolicy *key_msg2sp (struct sadb_x_policy *,
  62         size_t, int *);
  63 extern struct mbuf *key_sp2msg (struct secpolicy *);
  64 extern int key_ismyaddr (struct sockaddr *);
  65 extern int key_spdacquire (struct secpolicy *);
  66 extern void key_timehandler(void *);
  67 extern u_long key_random (void);
  68 extern void key_randomfill (void *, size_t);
  69 extern void key_freereg (struct socket *);
  70 extern int key_parse (struct mbuf *, struct socket *);
  71 extern void key_init (void);
  72 extern int key_checktunnelsanity (struct secasvar *, u_int,
  73                                         caddr_t, caddr_t);
  74 extern void key_sa_recordxfer (struct secasvar *, struct mbuf *);
  75 extern void key_sa_routechange (struct sockaddr *);
  76 extern void key_sa_stir_iv (struct secasvar *);
  77
  78 #ifdef MALLOC_DECLARE
  79 MALLOC_DECLARE(M_SECA);
  80 #endif /* MALLOC_DECLARE */
  81
  82 #endif /* defined(_KERNEL) */
  83 #endif /* _NETKEY_KEY_H_ */