bsd/netkey/key.h

   1 /*      $KAME: key.h,v 1.11 2000/03/25 07:24:12 sumikawa Exp $  */
   2
   3 /*
   4  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #ifndef _NETKEY_KEY_H_
  33 #define _NETKEY_KEY_H_
  34
  35 #ifdef KERNEL
  36
  37 extern struct key_cb key_cb;
  38
  39 struct secpolicy;
  40 struct secpolicyindex;
  41 struct ipsecrequest;
  42 struct secasvar;
  43 struct sockaddr;
  44 struct socket;
  45 struct sadb_msg;
  46 struct sadb_x_policy;
  47
  48 extern struct secpolicy *key_allocsp __P((struct secpolicyindex *spidx,
  49                                         u_int dir));
  50 extern int key_checkrequest
  51         __P((struct ipsecrequest *isr, struct secasindex *saidx));
  52 extern struct secasvar *key_allocsa __P((u_int family, caddr_t src, caddr_t dst,
  53                                         u_int proto, u_int32_t spi));
  54 extern void key_freesp __P((struct secpolicy *sp));
  55 extern void key_freeso __P((struct socket *so));
  56 extern void key_freesav __P((struct secasvar *sav));
  57 extern struct secpolicy *key_newsp __P((void));
  58 extern struct secpolicy *key_msg2sp __P((struct sadb_x_policy *xpl0,
  59         size_t len, int *error));
  60 extern struct mbuf *key_sp2msg __P((struct secpolicy *sp));
  61 extern int key_ismyaddr __P((u_int family, caddr_t addr));
  62 extern void key_timehandler __P((void));
  63 extern void key_srandom __P((void));
  64 extern void key_freereg __P((struct socket *so));
  65 extern int key_parse __P((struct sadb_msg **msgp, struct socket *so,
  66                         int *targetp));
  67 extern void key_init __P((void));
  68 extern int key_checktunnelsanity __P((struct secasvar *sav, u_int family,
  69                                         caddr_t src, caddr_t dst));
  70 extern void key_sa_recordxfer __P((struct secasvar *sav, struct mbuf *m));
  71 extern void key_sa_routechange __P((struct sockaddr *dst));
  72
  73 #if MALLOC_DECLARE
  74 MALLOC_DECLARE(M_SECA);
  75 #endif /* MALLOC_DECLARE */
  76
  77 #if defined(__bsdi__) || defined(__NetBSD__)
  78 extern int key_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
  79 #endif
  80
  81 #endif /* defined(KERNEL) */
  82 #endif /* _NETKEY_KEY_H_ */