key.h revision 1.3 1 1.3 perry /* $NetBSD: key.h,v 1.3 2005/02/26 22:45:13 perry Exp $ */
2 1.1 jonathan /* $FreeBSD: src/sys/netipsec/key.h,v 1.1.4.1 2003/01/24 05:11:36 sam Exp $ */
3 1.1 jonathan /* $KAME: key.h,v 1.21 2001/07/27 03:51:30 itojun Exp $ */
4 1.1 jonathan
5 1.1 jonathan /*
6 1.1 jonathan * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7 1.1 jonathan * All rights reserved.
8 1.1 jonathan *
9 1.1 jonathan * Redistribution and use in source and binary forms, with or without
10 1.1 jonathan * modification, are permitted provided that the following conditions
11 1.1 jonathan * are met:
12 1.1 jonathan * 1. Redistributions of source code must retain the above copyright
13 1.1 jonathan * notice, this list of conditions and the following disclaimer.
14 1.1 jonathan * 2. Redistributions in binary form must reproduce the above copyright
15 1.1 jonathan * notice, this list of conditions and the following disclaimer in the
16 1.1 jonathan * documentation and/or other materials provided with the distribution.
17 1.1 jonathan * 3. Neither the name of the project nor the names of its contributors
18 1.1 jonathan * may be used to endorse or promote products derived from this software
19 1.1 jonathan * without specific prior written permission.
20 1.1 jonathan *
21 1.1 jonathan * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 1.1 jonathan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 1.1 jonathan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 1.1 jonathan * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 1.1 jonathan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 1.1 jonathan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 1.1 jonathan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 1.1 jonathan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 1.1 jonathan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 1.1 jonathan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 1.1 jonathan * SUCH DAMAGE.
32 1.1 jonathan */
33 1.1 jonathan
34 1.1 jonathan #ifndef _NETIPSEC_KEY_H_
35 1.1 jonathan #define _NETIPSEC_KEY_H_
36 1.1 jonathan
37 1.1 jonathan #ifdef _KERNEL
38 1.1 jonathan
39 1.1 jonathan struct secpolicy;
40 1.1 jonathan struct secpolicyindex;
41 1.1 jonathan struct ipsecrequest;
42 1.1 jonathan struct secasvar;
43 1.1 jonathan struct sockaddr;
44 1.1 jonathan struct socket;
45 1.1 jonathan struct sadb_msg;
46 1.1 jonathan struct sadb_x_policy;
47 1.1 jonathan struct secasindex;
48 1.1 jonathan union sockaddr_union;
49 1.1 jonathan
50 1.1 jonathan extern int key_havesp(u_int dir);
51 1.1 jonathan extern struct secpolicy *key_allocsp(struct secpolicyindex *, u_int,
52 1.1 jonathan const char*, int);
53 1.1 jonathan extern struct secpolicy *key_allocsp2(u_int32_t spi, union sockaddr_union *dst,
54 1.1 jonathan u_int8_t proto, u_int dir, const char*, int);
55 1.1 jonathan extern struct secpolicy *key_newsp(const char*, int);
56 1.1 jonathan extern struct secpolicy *key_gettunnel(const struct sockaddr *,
57 1.1 jonathan const struct sockaddr *, const struct sockaddr *,
58 1.1 jonathan const struct sockaddr *, const char*, int);
59 1.1 jonathan /* NB: prepend with _ for KAME IPv6 compatbility */
60 1.1 jonathan extern void _key_freesp(struct secpolicy **, const char*, int);
61 1.1 jonathan
62 1.1 jonathan /*
63 1.1 jonathan * Access to the SADB are interlocked with splsoftnet. In particular,
64 1.1 jonathan * holders of SA's use this to block accesses by protocol processing
65 1.1 jonathan * that can happen either by network swi's or by continuations that
66 1.1 jonathan * occur on crypto callbacks. Much of this could go away if
67 1.1 jonathan * key_checkrequest were redone.
68 1.3 perry */
69 1.1 jonathan #define KEY_ALLOCSP(spidx, dir) \
70 1.1 jonathan key_allocsp(spidx, dir, __FILE__, __LINE__)
71 1.1 jonathan #define KEY_ALLOCSP2(spi, dst, proto, dir) \
72 1.1 jonathan key_allocsp2(spi, dst, proto, dir, __FILE__, __LINE__)
73 1.1 jonathan #define KEY_NEWSP() \
74 1.1 jonathan key_newsp(__FILE__, __LINE__)
75 1.1 jonathan #define KEY_GETTUNNEL(osrc, odst, isrc, idst) \
76 1.1 jonathan key_gettunnel(osrc, odst, isrc, idst, __FILE__, __LINE__)
77 1.1 jonathan #define KEY_FREESP(spp) \
78 1.1 jonathan _key_freesp(spp, __FILE__, __LINE__)
79 1.1 jonathan
80 1.1 jonathan extern struct secasvar *key_allocsa(union sockaddr_union *, u_int, u_int32_t,
81 1.1 jonathan const char*, int);
82 1.1 jonathan extern void key_freesav(struct secasvar **, const char*, int);
83 1.1 jonathan
84 1.1 jonathan #define KEY_ALLOCSA(dst, proto, spi) \
85 1.1 jonathan key_allocsa(dst, proto, spi, __FILE__, __LINE__)
86 1.1 jonathan #define KEY_FREESAV(psav) \
87 1.1 jonathan key_freesav(psav, __FILE__, __LINE__)
88 1.1 jonathan
89 1.1 jonathan extern void key_freeso __P((struct socket *));
90 1.1 jonathan extern int key_checktunnelsanity __P((struct secasvar *, u_int,
91 1.1 jonathan caddr_t, caddr_t));
92 1.1 jonathan extern int key_checkrequest
93 1.1 jonathan __P((struct ipsecrequest *isr, const struct secasindex *));
94 1.1 jonathan
95 1.1 jonathan extern struct secpolicy *key_msg2sp __P((struct sadb_x_policy *,
96 1.1 jonathan size_t, int *));
97 1.1 jonathan extern struct mbuf *key_sp2msg __P((struct secpolicy *));
98 1.1 jonathan extern int key_ismyaddr __P((struct sockaddr *));
99 1.2 thorpej extern int key_cmpspidx_exactly
100 1.2 thorpej __P((struct secpolicyindex *, struct secpolicyindex *));
101 1.2 thorpej extern int key_cmpspidx_withmask
102 1.2 thorpej __P((struct secpolicyindex *, struct secpolicyindex *));
103 1.1 jonathan extern int key_spdacquire __P((struct secpolicy *));
104 1.1 jonathan extern void key_timehandler __P((void*));
105 1.1 jonathan extern u_long key_random __P((void));
106 1.1 jonathan extern void key_randomfill __P((void *, size_t));
107 1.1 jonathan extern void key_freereg __P((struct socket *));
108 1.1 jonathan extern int key_parse __P((struct mbuf *, struct socket *));
109 1.1 jonathan extern void key_init __P((void));
110 1.1 jonathan extern void key_sa_recordxfer __P((struct secasvar *, struct mbuf *));
111 1.1 jonathan extern void key_sa_routechange __P((struct sockaddr *));
112 1.1 jonathan extern void key_sa_stir_iv __P((struct secasvar *));
113 1.1 jonathan
114 1.1 jonathan #ifdef MALLOC_DECLARE
115 1.1 jonathan MALLOC_DECLARE(M_SECA);
116 1.1 jonathan #endif /* MALLOC_DECLARE */
117 1.1 jonathan
118 1.1 jonathan #endif /* defined(_KERNEL) */
119 1.1 jonathan #endif /* _NETIPSEC_KEY_H_ */
120