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 /*      $FreeBSD$       */
    2 /*      $KAME: key.h,v 1.21 2001/07/27 03:51:30 itojun Exp $    */
    3 
    4 /*-
    5  * SPDX-License-Identifier: BSD-3-Clause
    6  *
    7  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
    8  * All rights reserved.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. Neither the name of the project nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  */
   34 
   35 #ifndef _NETIPSEC_KEY_H_
   36 #define _NETIPSEC_KEY_H_
   37 
   38 #ifdef _KERNEL
   39 
   40 struct secpolicy;
   41 struct secpolicyindex;
   42 struct secasvar;
   43 struct sockaddr;
   44 struct socket;
   45 struct sadb_msg;
   46 struct sadb_x_policy;
   47 struct secasindex;
   48 union sockaddr_union;
   49 struct xformsw;
   50 
   51 struct secpolicy *key_newsp(void);
   52 struct secpolicy *key_allocsp(struct secpolicyindex *, u_int);
   53 struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *);
   54 int key_sp2msg(struct secpolicy *, void *, size_t *);
   55 void key_addref(struct secpolicy *);
   56 void key_freesp(struct secpolicy **);
   57 int key_spdacquire(struct secpolicy *);
   58 int key_havesp(u_int);
   59 void key_bumpspgen(void);
   60 uint32_t key_getspgen(void);
   61 uint32_t key_newreqid(void);
   62 
   63 struct secasvar *key_allocsa(union sockaddr_union *, uint8_t, uint32_t);
   64 struct secasvar *key_allocsa_tunnel(union sockaddr_union *,
   65     union sockaddr_union *, uint8_t);
   66 struct secasvar *key_allocsa_policy(struct secpolicy *,
   67     const struct secasindex *, int *);
   68 struct secasvar *key_allocsa_tcpmd5(struct secasindex *);
   69 void key_freesav(struct secasvar **);
   70 
   71 int key_sockaddrcmp(const struct sockaddr *, const struct sockaddr *, int);
   72 int key_sockaddrcmp_withmask(const struct sockaddr *, const struct sockaddr *,
   73     size_t);
   74 
   75 int key_register_ifnet(struct secpolicy **, u_int);
   76 void key_unregister_ifnet(struct secpolicy **, u_int);
   77 
   78 void key_delete_xform(const struct xformsw *);
   79 
   80 extern u_long key_random(void);
   81 extern void key_freereg(struct socket *);
   82 extern int key_parse(struct mbuf *, struct socket *);
   83 extern void key_init(void);
   84 #ifdef VIMAGE
   85 extern void key_destroy(void);
   86 #endif
   87 extern void key_sa_recordxfer(struct secasvar *, struct mbuf *);
   88 uint16_t key_portfromsaddr(struct sockaddr *);
   89 void key_porttosaddr(struct sockaddr *, uint16_t port);
   90 
   91 #ifdef MALLOC_DECLARE
   92 MALLOC_DECLARE(M_IPSEC_SA);
   93 MALLOC_DECLARE(M_IPSEC_SAH);
   94 MALLOC_DECLARE(M_IPSEC_SP);
   95 MALLOC_DECLARE(M_IPSEC_SR);
   96 MALLOC_DECLARE(M_IPSEC_MISC);
   97 MALLOC_DECLARE(M_IPSEC_SAQ);
   98 MALLOC_DECLARE(M_IPSEC_SAR);
   99 MALLOC_DECLARE(M_IPSEC_INPCB);
  100 #endif /* MALLOC_DECLARE */
  101 
  102 #endif /* defined(_KERNEL) */
  103 #endif /* _NETIPSEC_KEY_H_ */

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