FreeBSD/Linux Kernel Cross Reference
sys/netipsec/key.h
1 /* $FreeBSD$ */
2 /* $KAME: key.h,v 1.21 2001/07/27 03:51:30 itojun Exp $ */
3
4 /*-
5 * SPDX-License-Identifier: BSD-3-Clause
6 *
7 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the project nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 #ifndef _NETIPSEC_KEY_H_
36 #define _NETIPSEC_KEY_H_
37
38 #ifdef _KERNEL
39
40 struct secpolicy;
41 struct secpolicyindex;
42 struct secasvar;
43 struct sockaddr;
44 struct socket;
45 struct sadb_msg;
46 struct sadb_x_policy;
47 struct secasindex;
48 union sockaddr_union;
49 struct xformsw;
50
51 struct secpolicy *key_newsp(void);
52 struct secpolicy *key_allocsp(struct secpolicyindex *, u_int);
53 struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *);
54 int key_sp2msg(struct secpolicy *, void *, size_t *);
55 void key_addref(struct secpolicy *);
56 void key_freesp(struct secpolicy **);
57 int key_spdacquire(struct secpolicy *);
58 int key_havesp(u_int);
59 int key_havesp_any(void);
60 void key_bumpspgen(void);
61 uint32_t key_getspgen(void);
62 uint32_t key_newreqid(void);
63
64 struct secasvar *key_allocsa(union sockaddr_union *, uint8_t, uint32_t);
65 struct secasvar *key_allocsa_tunnel(union sockaddr_union *,
66 union sockaddr_union *, uint8_t);
67 struct secasvar *key_allocsa_policy(struct secpolicy *,
68 const struct secasindex *, int *);
69 struct secasvar *key_allocsa_tcpmd5(struct secasindex *);
70 void key_freesav(struct secasvar **);
71
72 int key_sockaddrcmp(const struct sockaddr *, const struct sockaddr *, int);
73 int key_sockaddrcmp_withmask(const struct sockaddr *, const struct sockaddr *,
74 size_t);
75
76 int key_register_ifnet(struct secpolicy **, u_int);
77 void key_unregister_ifnet(struct secpolicy **, u_int);
78
79 void key_delete_xform(const struct xformsw *);
80
81 extern u_long key_random(void);
82 extern void key_freereg(struct socket *);
83 extern int key_parse(struct mbuf *, struct socket *);
84 extern void key_sa_recordxfer(struct secasvar *, struct mbuf *);
85 uint16_t key_portfromsaddr(struct sockaddr *);
86 void key_porttosaddr(struct sockaddr *, uint16_t port);
87
88 #ifdef MALLOC_DECLARE
89 MALLOC_DECLARE(M_IPSEC_SA);
90 MALLOC_DECLARE(M_IPSEC_SAH);
91 MALLOC_DECLARE(M_IPSEC_SP);
92 MALLOC_DECLARE(M_IPSEC_SR);
93 MALLOC_DECLARE(M_IPSEC_MISC);
94 MALLOC_DECLARE(M_IPSEC_SAQ);
95 MALLOC_DECLARE(M_IPSEC_SAR);
96 MALLOC_DECLARE(M_IPSEC_INPCB);
97 #endif /* MALLOC_DECLARE */
98
99 #endif /* defined(_KERNEL) */
100 #endif /* _NETIPSEC_KEY_H_ */
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