key.h revision 1.7 1 1.7 degroote /* $NetBSD: key.h,v 1.7 2007/06/27 20:38:33 degroote 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 1.7 degroote #include "opt_ipsec.h"
40 1.7 degroote
41 1.1 jonathan struct secpolicy;
42 1.1 jonathan struct secpolicyindex;
43 1.1 jonathan struct ipsecrequest;
44 1.1 jonathan struct secasvar;
45 1.1 jonathan struct sockaddr;
46 1.1 jonathan struct socket;
47 1.1 jonathan struct sadb_msg;
48 1.1 jonathan struct sadb_x_policy;
49 1.1 jonathan struct secasindex;
50 1.1 jonathan union sockaddr_union;
51 1.1 jonathan
52 1.1 jonathan extern int key_havesp(u_int dir);
53 1.1 jonathan extern struct secpolicy *key_allocsp(struct secpolicyindex *, u_int,
54 1.1 jonathan const char*, int);
55 1.1 jonathan extern struct secpolicy *key_allocsp2(u_int32_t spi, union sockaddr_union *dst,
56 1.1 jonathan u_int8_t proto, u_int dir, const char*, int);
57 1.1 jonathan extern struct secpolicy *key_newsp(const char*, int);
58 1.1 jonathan extern struct secpolicy *key_gettunnel(const struct sockaddr *,
59 1.1 jonathan const struct sockaddr *, const struct sockaddr *,
60 1.1 jonathan const struct sockaddr *, const char*, int);
61 1.1 jonathan /* NB: prepend with _ for KAME IPv6 compatbility */
62 1.1 jonathan extern void _key_freesp(struct secpolicy **, const char*, int);
63 1.1 jonathan
64 1.1 jonathan /*
65 1.1 jonathan * Access to the SADB are interlocked with splsoftnet. In particular,
66 1.1 jonathan * holders of SA's use this to block accesses by protocol processing
67 1.1 jonathan * that can happen either by network swi's or by continuations that
68 1.1 jonathan * occur on crypto callbacks. Much of this could go away if
69 1.1 jonathan * key_checkrequest were redone.
70 1.3 perry */
71 1.1 jonathan #define KEY_ALLOCSP(spidx, dir) \
72 1.1 jonathan key_allocsp(spidx, dir, __FILE__, __LINE__)
73 1.1 jonathan #define KEY_ALLOCSP2(spi, dst, proto, dir) \
74 1.1 jonathan key_allocsp2(spi, dst, proto, dir, __FILE__, __LINE__)
75 1.1 jonathan #define KEY_NEWSP() \
76 1.1 jonathan key_newsp(__FILE__, __LINE__)
77 1.1 jonathan #define KEY_GETTUNNEL(osrc, odst, isrc, idst) \
78 1.1 jonathan key_gettunnel(osrc, odst, isrc, idst, __FILE__, __LINE__)
79 1.1 jonathan #define KEY_FREESP(spp) \
80 1.1 jonathan _key_freesp(spp, __FILE__, __LINE__)
81 1.1 jonathan
82 1.5 degroote extern struct secasvar *key_allocsa(const union sockaddr_union *,
83 1.7 degroote u_int, u_int32_t, u_int16_t, u_int16_t, const char*, int);
84 1.1 jonathan extern void key_freesav(struct secasvar **, const char*, int);
85 1.1 jonathan
86 1.7 degroote #define KEY_ALLOCSA(dst, proto, spi, sport, dport) \
87 1.7 degroote key_allocsa(dst, proto, spi, sport, dport, __FILE__, __LINE__)
88 1.1 jonathan #define KEY_FREESAV(psav) \
89 1.1 jonathan key_freesav(psav, __FILE__, __LINE__)
90 1.1 jonathan
91 1.1 jonathan extern void key_freeso __P((struct socket *));
92 1.1 jonathan extern int key_checktunnelsanity __P((struct secasvar *, u_int,
93 1.6 christos void *, void *));
94 1.1 jonathan extern int key_checkrequest
95 1.1 jonathan __P((struct ipsecrequest *isr, const struct secasindex *));
96 1.1 jonathan
97 1.1 jonathan extern struct secpolicy *key_msg2sp __P((struct sadb_x_policy *,
98 1.1 jonathan size_t, int *));
99 1.1 jonathan extern struct mbuf *key_sp2msg __P((struct secpolicy *));
100 1.1 jonathan extern int key_ismyaddr __P((struct sockaddr *));
101 1.2 thorpej extern int key_cmpspidx_exactly
102 1.2 thorpej __P((struct secpolicyindex *, struct secpolicyindex *));
103 1.2 thorpej extern int key_cmpspidx_withmask
104 1.2 thorpej __P((struct secpolicyindex *, struct secpolicyindex *));
105 1.1 jonathan extern int key_spdacquire __P((struct secpolicy *));
106 1.1 jonathan extern void key_timehandler __P((void*));
107 1.1 jonathan extern u_long key_random __P((void));
108 1.1 jonathan extern void key_randomfill __P((void *, size_t));
109 1.1 jonathan extern void key_freereg __P((struct socket *));
110 1.1 jonathan extern int key_parse __P((struct mbuf *, struct socket *));
111 1.1 jonathan extern void key_init __P((void));
112 1.1 jonathan extern void key_sa_recordxfer __P((struct secasvar *, struct mbuf *));
113 1.1 jonathan extern void key_sa_routechange __P((struct sockaddr *));
114 1.1 jonathan extern void key_sa_stir_iv __P((struct secasvar *));
115 1.1 jonathan
116 1.7 degroote #ifdef IPSEC_NAT_T
117 1.7 degroote u_int16_t key_portfromsaddr __P((const union sockaddr_union *));
118 1.7 degroote #endif
119 1.7 degroote
120 1.7 degroote
121 1.7 degroote
122 1.1 jonathan #ifdef MALLOC_DECLARE
123 1.1 jonathan MALLOC_DECLARE(M_SECA);
124 1.1 jonathan #endif /* MALLOC_DECLARE */
125 1.1 jonathan
126 1.1 jonathan #endif /* defined(_KERNEL) */
127 1.4 elad #endif /* !_NETIPSEC_KEY_H_ */
128