bc5ee3cb6d
they are initialized -- during lifetime, no changes are expected plus some constification of input to comparision functions etc mostly required by the former
123 lines
4.7 KiB
C
123 lines
4.7 KiB
C
/* $NetBSD: key.h,v 1.9 2011/02/21 22:28:19 drochner Exp $ */
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/* $FreeBSD: src/sys/netipsec/key.h,v 1.1.4.1 2003/01/24 05:11:36 sam Exp $ */
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/* $KAME: key.h,v 1.21 2001/07/27 03:51:30 itojun Exp $ */
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/*
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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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#ifndef _NETIPSEC_KEY_H_
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#define _NETIPSEC_KEY_H_
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#ifdef _KERNEL
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#include "opt_ipsec.h"
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struct secpolicy;
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struct secpolicyindex;
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struct ipsecrequest;
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struct secasvar;
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struct sockaddr;
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struct socket;
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struct sadb_msg;
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struct sadb_x_policy;
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struct secasindex;
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union sockaddr_union;
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int key_havesp(u_int dir);
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struct secpolicy *key_allocsp(const struct secpolicyindex *, u_int,
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const char*, int);
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struct secpolicy *key_allocsp2(u_int32_t spi, const union sockaddr_union *dst,
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u_int8_t proto, u_int dir, const char*, int);
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struct secpolicy *key_newsp(const char*, int);
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struct secpolicy *key_gettunnel(const struct sockaddr *,
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const struct sockaddr *, const struct sockaddr *,
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const struct sockaddr *, const char*, int);
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/* NB: prepend with _ for KAME IPv6 compatbility */
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void _key_freesp(struct secpolicy **, const char*, int);
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/*
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* Access to the SADB are interlocked with splsoftnet. In particular,
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* holders of SA's use this to block accesses by protocol processing
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* that can happen either by network swi's or by continuations that
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* occur on crypto callbacks. Much of this could go away if
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* key_checkrequest were redone.
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*/
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#define KEY_ALLOCSP(spidx, dir) \
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key_allocsp(spidx, dir, __FILE__, __LINE__)
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#define KEY_ALLOCSP2(spi, dst, proto, dir) \
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key_allocsp2(spi, dst, proto, dir, __FILE__, __LINE__)
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#define KEY_NEWSP() \
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key_newsp(__FILE__, __LINE__)
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#define KEY_GETTUNNEL(osrc, odst, isrc, idst) \
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key_gettunnel(osrc, odst, isrc, idst, __FILE__, __LINE__)
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#define KEY_FREESP(spp) \
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_key_freesp(spp, __FILE__, __LINE__)
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struct secasvar *key_allocsa(const union sockaddr_union *,
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u_int, u_int32_t, u_int16_t, u_int16_t, const char*, int);
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void key_freesav(struct secasvar **, const char*, int);
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#define KEY_ALLOCSA(dst, proto, spi, sport, dport) \
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key_allocsa(dst, proto, spi, sport, dport, __FILE__, __LINE__)
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#define KEY_FREESAV(psav) \
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key_freesav(psav, __FILE__, __LINE__)
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void key_freeso (struct socket *);
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int key_checktunnelsanity (struct secasvar *, u_int, void *, void *);
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int key_checkrequest (struct ipsecrequest *isr, const struct secasindex *);
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struct secpolicy *key_msg2sp (struct sadb_x_policy *, size_t, int *);
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struct mbuf *key_sp2msg (const struct secpolicy *);
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int key_ismyaddr (const struct sockaddr *);
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int key_cmpspidx_exactly (const struct secpolicyindex *, const struct secpolicyindex *);
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int key_cmpspidx_withmask (const struct secpolicyindex *, const struct secpolicyindex *);
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int key_spdacquire (const struct secpolicy *);
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void key_timehandler (void*);
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u_long key_random (void);
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void key_randomfill (void *, size_t);
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void key_freereg (struct socket *);
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int key_parse (struct mbuf *, struct socket *);
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void key_init (void);
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void key_sa_recordxfer (struct secasvar *, struct mbuf *);
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void key_sa_routechange (struct sockaddr *);
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void key_sa_stir_iv (struct secasvar *);
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#ifdef IPSEC_NAT_T
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u_int16_t key_portfromsaddr (const union sockaddr_union *);
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#endif
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#ifdef MALLOC_DECLARE
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MALLOC_DECLARE(M_SECA);
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#endif /* MALLOC_DECLARE */
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#endif /* defined(_KERNEL) */
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#endif /* !_NETIPSEC_KEY_H_ */
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