FreeBSD/Linux Kernel Cross Reference
sys/netipsec/key.h
1 /* $FreeBSD: releng/11.2/sys/netipsec/key.h 331722 2018-03-29 02:50:57Z eadler $ */
2 /* $KAME: key.h,v 1.21 2001/07/27 03:51:30 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 _NETIPSEC_KEY_H_
34 #define _NETIPSEC_KEY_H_
35
36 #ifdef _KERNEL
37
38 struct secpolicy;
39 struct secpolicyindex;
40 struct secasvar;
41 struct sockaddr;
42 struct socket;
43 struct sadb_msg;
44 struct sadb_x_policy;
45 struct secasindex;
46 union sockaddr_union;
47
48 struct secpolicy *key_newsp(void);
49 struct secpolicy *key_allocsp(struct secpolicyindex *, u_int);
50 struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *);
51 int key_sp2msg(struct secpolicy *, void *, size_t *);
52 void key_addref(struct secpolicy *);
53 void key_freesp(struct secpolicy **);
54 int key_spdacquire(struct secpolicy *);
55 int key_havesp(u_int);
56 void key_bumpspgen(void);
57 uint32_t key_getspgen(void);
58 uint32_t key_newreqid(void);
59
60 struct secasvar *key_allocsa(union sockaddr_union *, uint8_t, uint32_t);
61 struct secasvar *key_allocsa_tunnel(union sockaddr_union *,
62 union sockaddr_union *, uint8_t);
63 struct secasvar *key_allocsa_policy(struct secpolicy *,
64 const struct secasindex *, int *);
65 struct secasvar *key_allocsa_tcpmd5(struct secasindex *);
66 void key_freesav(struct secasvar **);
67
68 int key_sockaddrcmp(const struct sockaddr *, const struct sockaddr *, int);
69 int key_sockaddrcmp_withmask(const struct sockaddr *, const struct sockaddr *,
70 size_t);
71
72 int key_register_ifnet(struct secpolicy **, u_int);
73 void key_unregister_ifnet(struct secpolicy **, u_int);
74
75 extern u_long key_random(void);
76 extern void key_randomfill(void *, size_t);
77 extern void key_freereg(struct socket *);
78 extern int key_parse(struct mbuf *, struct socket *);
79 extern void key_init(void);
80 #ifdef VIMAGE
81 extern void key_destroy(void);
82 #endif
83 extern void key_sa_recordxfer(struct secasvar *, struct mbuf *);
84 uint16_t key_portfromsaddr(struct sockaddr *);
85 void key_porttosaddr(struct sockaddr *, uint16_t port);
86
87 #ifdef MALLOC_DECLARE
88 MALLOC_DECLARE(M_IPSEC_SA);
89 MALLOC_DECLARE(M_IPSEC_SAH);
90 MALLOC_DECLARE(M_IPSEC_SP);
91 MALLOC_DECLARE(M_IPSEC_SR);
92 MALLOC_DECLARE(M_IPSEC_MISC);
93 MALLOC_DECLARE(M_IPSEC_SAQ);
94 MALLOC_DECLARE(M_IPSEC_SAR);
95 MALLOC_DECLARE(M_IPSEC_INPCB);
96 #endif /* MALLOC_DECLARE */
97
98 #endif /* defined(_KERNEL) */
99 #endif /* _NETIPSEC_KEY_H_ */
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