The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*      $FreeBSD: releng/6.2/sys/netkey/key.h 139823 2005-01-07 01:45:51Z imp $ */
    2 /*      $KAME: key.h,v 1.32 2003/09/07 05:25:20 itojun Exp $    */
    3 
    4 /*-
    5  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. Neither the name of the project nor the names of its contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  */
   32 
   33 #ifndef _NETKEY_KEY_H_
   34 #define _NETKEY_KEY_H_
   35 
   36 #ifdef _KERNEL
   37 
   38 #include <sys/queue.h>
   39 
   40 extern struct key_cb key_cb;
   41 
   42 extern TAILQ_HEAD(_satailq, secasvar) satailq;
   43 extern TAILQ_HEAD(_sptailq, secpolicy) sptailq;
   44 
   45 struct secpolicy;
   46 struct secpolicyindex;
   47 struct ipsecrequest;
   48 struct secasvar;
   49 struct sockaddr;
   50 struct socket;
   51 struct sadb_msg;
   52 struct sadb_x_policy;
   53 union sockaddr_union;
   54 
   55 extern struct secpolicy *key_allocsp(u_int16_t, struct secpolicyindex *,
   56         u_int);
   57 extern struct secpolicy *key_gettunnel(struct sockaddr *,
   58         struct sockaddr *, struct sockaddr *, struct sockaddr *);
   59 extern int key_checkrequest
   60         (struct ipsecrequest *isr, struct secasindex *);
   61 extern struct secasvar *key_allocsa(u_int, caddr_t, caddr_t, u_int, u_int32_t);
   62 extern void key_freesp(struct secpolicy *);
   63 extern void key_freesav(struct secasvar *);
   64 extern struct secpolicy *key_newsp(u_int32_t);
   65 extern struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *);
   66 extern struct mbuf *key_sp2msg(struct secpolicy *);
   67 extern int key_cmpspidx_exactly
   68         (struct secpolicyindex *, struct secpolicyindex *);
   69 extern int key_cmpspidx_withmask
   70         (struct secpolicyindex *, struct secpolicyindex *);
   71 extern int key_spdacquire(struct secpolicy *);
   72 extern void key_timehandler(void *);
   73 extern void key_randomfill(void *, size_t);
   74 extern void key_freereg(struct socket *);
   75 extern int key_parse(struct mbuf *, struct socket *);
   76 extern void key_init(void);
   77 extern int key_checktunnelsanity(struct secasvar *, u_int, caddr_t, caddr_t);
   78 extern void key_sa_recordxfer(struct secasvar *, struct mbuf *);
   79 extern void key_sa_routechange(struct sockaddr *);
   80 extern void key_sa_stir_iv(struct secasvar *);
   81 
   82 /* to keep compatibility with FAST_IPSEC */
   83 #define KEY_ALLOCSA(dst, proto, spi)    \
   84         key_allocsa(((struct sockaddr *)(dst))->sa_family,\
   85                     (caddr_t)&(((struct sockaddr_in *)(dst))->sin_addr),\
   86                     (caddr_t)&(((struct sockaddr_in *)(dst))->sin_addr),\
   87                     proto, spi)
   88 #define KEY_FREESAV(psav)                                       \
   89         key_freesav(*psav)
   90 
   91 #ifdef MALLOC_DECLARE
   92 MALLOC_DECLARE(M_SECA);
   93 #endif /* MALLOC_DECLARE */
   94 
   95 #endif /* defined(_KERNEL) */
   96 #endif /* _NETKEY_KEY_H_ */

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