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/netipsec/key.h

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    1 /*      $FreeBSD: releng/11.2/sys/netipsec/key.h 331722 2018-03-29 02:50:57Z eadler $   */
    2 /*      $KAME: key.h,v 1.21 2001/07/27 03:51:30 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 _NETIPSEC_KEY_H_
   34 #define _NETIPSEC_KEY_H_
   35 
   36 #ifdef _KERNEL
   37 
   38 struct secpolicy;
   39 struct secpolicyindex;
   40 struct secasvar;
   41 struct sockaddr;
   42 struct socket;
   43 struct sadb_msg;
   44 struct sadb_x_policy;
   45 struct secasindex;
   46 union sockaddr_union;
   47 
   48 struct secpolicy *key_newsp(void);
   49 struct secpolicy *key_allocsp(struct secpolicyindex *, u_int);
   50 struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *);
   51 int key_sp2msg(struct secpolicy *, void *, size_t *);
   52 void key_addref(struct secpolicy *);
   53 void key_freesp(struct secpolicy **);
   54 int key_spdacquire(struct secpolicy *);
   55 int key_havesp(u_int);
   56 void key_bumpspgen(void);
   57 uint32_t key_getspgen(void);
   58 uint32_t key_newreqid(void);
   59 
   60 struct secasvar *key_allocsa(union sockaddr_union *, uint8_t, uint32_t);
   61 struct secasvar *key_allocsa_tunnel(union sockaddr_union *,
   62     union sockaddr_union *, uint8_t);
   63 struct secasvar *key_allocsa_policy(struct secpolicy *,
   64     const struct secasindex *, int *);
   65 struct secasvar *key_allocsa_tcpmd5(struct secasindex *);
   66 void key_freesav(struct secasvar **);
   67 
   68 int key_sockaddrcmp(const struct sockaddr *, const struct sockaddr *, int);
   69 int key_sockaddrcmp_withmask(const struct sockaddr *, const struct sockaddr *,
   70     size_t);
   71 
   72 int key_register_ifnet(struct secpolicy **, u_int);
   73 void key_unregister_ifnet(struct secpolicy **, u_int);
   74 
   75 extern u_long key_random(void);
   76 extern void key_randomfill(void *, size_t);
   77 extern void key_freereg(struct socket *);
   78 extern int key_parse(struct mbuf *, struct socket *);
   79 extern void key_init(void);
   80 #ifdef VIMAGE
   81 extern void key_destroy(void);
   82 #endif
   83 extern void key_sa_recordxfer(struct secasvar *, struct mbuf *);
   84 uint16_t key_portfromsaddr(struct sockaddr *);
   85 void key_porttosaddr(struct sockaddr *, uint16_t port);
   86 
   87 #ifdef MALLOC_DECLARE
   88 MALLOC_DECLARE(M_IPSEC_SA);
   89 MALLOC_DECLARE(M_IPSEC_SAH);
   90 MALLOC_DECLARE(M_IPSEC_SP);
   91 MALLOC_DECLARE(M_IPSEC_SR);
   92 MALLOC_DECLARE(M_IPSEC_MISC);
   93 MALLOC_DECLARE(M_IPSEC_SAQ);
   94 MALLOC_DECLARE(M_IPSEC_SAR);
   95 MALLOC_DECLARE(M_IPSEC_INPCB);
   96 #endif /* MALLOC_DECLARE */
   97 
   98 #endif /* defined(_KERNEL) */
   99 #endif /* _NETIPSEC_KEY_H_ */

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