FreeBSD/Linux Kernel Cross Reference
sys/netkey/key.h
1 /* $NetBSD: key.h,v 1.17.14.2 2005/07/18 21:06:44 riz Exp $ */
2 /* $KAME: key.h,v 1.32 2003/09/07 05:25:20 itojun Exp $ */
3
4 /*
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #ifndef _NETKEY_KEY_H_
34 #define _NETKEY_KEY_H_
35
36 #ifdef _KERNEL
37
38 #if defined(_KERNEL_OPT)
39 #include "opt_ipsec.h"
40 #endif
41
42 #include <sys/queue.h>
43
44 extern struct key_cb key_cb;
45
46 extern TAILQ_HEAD(_satailq, secasvar) satailq;
47 extern TAILQ_HEAD(_sptailq, secpolicy) sptailq;
48
49 struct secpolicy;
50 struct secpolicyindex;
51 struct ipsecrequest;
52 struct secasvar;
53 struct sockaddr;
54 struct socket;
55 struct sadb_msg;
56 struct sadb_x_policy;
57
58 extern struct secpolicy *key_allocsp __P((u_int16_t, struct secpolicyindex *,
59 u_int));
60 extern int key_checkrequest
61 __P((struct ipsecrequest *isr, struct secasindex *));
62 extern struct secasvar *key_allocsa __P((u_int, caddr_t, caddr_t, u_int,
63 u_int32_t, u_int16_t, u_int16_t));
64 extern struct secpolicy *key_getspbyid __P((u_int32_t));
65 extern void key_freesp __P((struct secpolicy *));
66 extern void key_freesav __P((struct secasvar *));
67 extern struct secpolicy *key_newsp __P((u_int32_t));
68 extern struct secpolicy *key_msg2sp __P((struct sadb_x_policy *,
69 size_t, int *));
70 extern struct mbuf *key_sp2msg __P((struct secpolicy *));
71 extern int key_cmpspidx_exactly
72 __P((struct secpolicyindex *, struct secpolicyindex *));
73 extern int key_cmpspidx_withmask
74 __P((struct secpolicyindex *, struct secpolicyindex *));
75 extern int key_spdacquire __P((struct secpolicy *));
76 extern struct mbuf *key_setdumpsp __P((struct secpolicy *,
77 u_int8_t, u_int32_t, u_int32_t));
78 extern void key_timehandler __P((void *));
79 extern void key_randomfill __P((void *, size_t));
80 extern void key_freereg __P((struct socket *));
81 struct mbuf *key_setdumpsa_spi __P((u_int32_t));
82 extern int key_parse __P((struct mbuf *, struct socket *));
83 extern void key_init __P((void));
84 extern int key_checktunnelsanity __P((struct secasvar *, u_int,
85 caddr_t, caddr_t));
86 extern void key_sa_recordxfer __P((struct secasvar *, struct mbuf *));
87 extern void key_sa_routechange __P((struct sockaddr *));
88 extern void key_sa_stir_iv __P((struct secasvar *));
89
90 extern int key_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
91 #ifdef IPSEC_NAT_T
92 u_int16_t key_portfromsaddr __P((struct sockaddr *));
93 #define KEY_PORTFROMSADDR(saddr) key_portfromsaddr((struct sockaddr *)(saddr))
94 #endif
95
96 #endif /* defined(_KERNEL) */
97 #endif /* _NETKEY_KEY_H_ */
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