a5782dd663
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
136 lines
4.2 KiB
C
136 lines
4.2 KiB
C
/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NETKEY_KEYDB_H_
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#define _NETKEY_KEYDB_H_
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#ifdef _KERNEL
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/* Security Assocciation Index */
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/* NOTE: Encure to be same address family */
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struct secasindex {
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struct sockaddr_storage src; /* srouce address for SA */
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struct sockaddr_storage dst; /* destination address for SA */
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u_int16_t proto; /* IPPROTO_ESP or IPPROTO_AH */
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u_int8_t mode; /* mode of protocol, see ipsec.h */
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};
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/* Security Association Data Base */
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struct secashead {
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LIST_ENTRY(secashead) chain;
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struct secasindex saidx;
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struct secpolicyindex *owner; /* Indicate it who owned its SA. */
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/* If NULL then it's shared SA */
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u_int8_t state; /* MATURE or DEAD. */
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LIST_HEAD(_satree, secasvar) savtree[SADB_SASTATE_MAX+1];
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/* SA chain */
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/* The first of this list is newer SA */
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struct route sa_route; /* XXX */
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};
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/* Security Association */
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struct secasvar {
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LIST_ENTRY(secasvar) chain;
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int refcnt; /* reference count */
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u_int8_t state; /* Status of this Association */
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u_int8_t alg_auth; /* Authentication Algorithm Identifier*/
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u_int8_t alg_enc; /* Cipher Algorithm Identifier */
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u_int32_t spi; /* SPI Value, network byte order */
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u_int32_t flags; /* holder for SADB_KEY_FLAGS */
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struct sadb_key *key_auth; /* Key for Authentication */
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/* length has been shifted up to 3. */
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struct sadb_key *key_enc; /* Key for Encryption */
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/* length has been shifted up to 3. */
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caddr_t iv; /* Initilization Vector */
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u_int ivlen; /* length of IV */
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struct secreplay *replay; /* replay prevention */
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u_int32_t tick; /* for lifetime */
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struct sadb_lifetime *lft_c; /* CURRENT lifetime, it's constant. */
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struct sadb_lifetime *lft_h; /* HARD lifetime */
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struct sadb_lifetime *lft_s; /* SOFT lifetime */
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u_int32_t seq; /* sequence number */
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pid_t pid; /* message's pid */
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struct secashead *sah; /* back pointer to the secashead */
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};
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/* replay prevention */
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struct secreplay {
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u_int32_t count;
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u_int wsize; /* window size, i.g. 4 bytes */
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u_int32_t seq; /* used by sender */
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u_int32_t lastseq; /* used by receiver */
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caddr_t bitmap; /* used by receiver */
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};
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/* socket table due to send PF_KEY messages. */
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struct secreg {
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LIST_ENTRY(secreg) chain;
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struct socket *so;
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};
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#ifndef IPSEC_NONBLOCK_ACQUIRE
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/* acquiring list table. */
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struct secacq {
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LIST_ENTRY(secacq) chain;
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struct secasindex saidx;
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u_int32_t seq; /* sequence number */
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u_int32_t tick; /* for lifetime */
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int count; /* for lifetime */
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};
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#endif
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/* Sensitivity Level Specification */
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/* nothing */
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#define SADB_KILL_INTERVAL 600 /* six seconds */
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struct key_cb {
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int key_count;
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int any_count;
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};
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#endif /* _KERNEL */
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#endif /* _NETKEY_KEYDB_H_ */
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