1 /* $FreeBSD: src/sys/netkey/keydb.h,v 1.2.2.3 2003/01/11 19:10:59 ume Exp $ */
2 /* $DragonFly: src/sys/netproto/key/keydb.h,v 1.4 2003/08/23 10:06:24 rob Exp $ */
3 /* $KAME: keydb.h,v 1.14 2000/08/02 17:58:26 sakane Exp $ */
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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10 * modification, are permitted provided that the following conditions
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13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #ifndef _NETKEY_KEYDB_H_
35 #define _NETKEY_KEYDB_H_
41 /* Security Assocciation Index */
42 /* NOTE: Ensure to be same address family */
44 struct sockaddr_storage src; /* srouce address for SA */
45 struct sockaddr_storage dst; /* destination address for SA */
46 u_int16_t proto; /* IPPROTO_ESP or IPPROTO_AH */
47 u_int8_t mode; /* mode of protocol, see ipsec.h */
48 u_int32_t reqid; /* reqid id who owned this SA */
49 /* see IPSEC_MANUAL_REQID_MAX. */
52 /* Security Association Data Base */
54 LIST_ENTRY(secashead) chain;
56 struct secasindex saidx;
58 struct sadb_ident *idents; /* source identity */
59 struct sadb_ident *identd; /* destination identity */
60 /* XXX I don't know how to use them. */
62 u_int8_t state; /* MATURE or DEAD. */
63 LIST_HEAD(_satree, secasvar) savtree[SADB_SASTATE_MAX+1];
65 /* The first of this list is newer SA */
68 struct route sau_route;
69 struct route_in6 sau_route6;
71 #define sa_route sa_u.sau_route
74 /* Security Association */
76 LIST_ENTRY(secasvar) chain;
78 int refcnt; /* reference count */
79 u_int8_t state; /* Status of this Association */
81 u_int8_t alg_auth; /* Authentication Algorithm Identifier*/
82 u_int8_t alg_enc; /* Cipher Algorithm Identifier */
83 u_int32_t spi; /* SPI Value, network byte order */
84 u_int32_t flags; /* holder for SADB_KEY_FLAGS */
86 struct sadb_key *key_auth; /* Key for Authentication */
87 struct sadb_key *key_enc; /* Key for Encryption */
88 caddr_t iv; /* Initilization Vector */
89 u_int ivlen; /* length of IV */
90 void *sched; /* intermediate encryption key */
93 struct secreplay *replay; /* replay prevention */
94 long created; /* for lifetime */
96 struct sadb_lifetime *lft_c; /* CURRENT lifetime, it's constant. */
97 struct sadb_lifetime *lft_h; /* HARD lifetime */
98 struct sadb_lifetime *lft_s; /* SOFT lifetime */
100 u_int32_t seq; /* sequence number */
101 pid_t pid; /* message's pid */
103 struct secashead *sah; /* back pointer to the secashead */
106 /* replay prevention */
109 u_int wsize; /* window size, i.g. 4 bytes */
110 u_int32_t seq; /* used by sender */
111 u_int32_t lastseq; /* used by receiver */
112 caddr_t bitmap; /* used by receiver */
113 int overflow; /* overflow flag */
116 /* socket table due to send PF_KEY messages. */
118 LIST_ENTRY(secreg) chain;
123 #ifndef IPSEC_NONBLOCK_ACQUIRE
124 /* acquiring list table. */
126 LIST_ENTRY(secacq) chain;
128 struct secasindex saidx;
130 u_int32_t seq; /* sequence number */
131 long created; /* for lifetime */
132 int count; /* for lifetime */
136 /* Sensitivity Level Specification */
139 #define SADB_KILL_INTERVAL 600 /* six seconds */
147 extern struct secpolicy *keydb_newsecpolicy (void);
148 extern void keydb_delsecpolicy (struct secpolicy *);
150 extern struct secashead *keydb_newsecashead (void);
151 extern void keydb_delsecashead (struct secashead *);
153 extern struct secasvar *keydb_newsecasvar (void);
154 extern void keydb_refsecasvar (struct secasvar *);
155 extern void keydb_freesecasvar (struct secasvar *);
157 extern struct secreplay *keydb_newsecreplay (size_t);
158 extern void keydb_delsecreplay (struct secreplay *);
160 extern struct secreg *keydb_newsecreg (void);
161 extern void keydb_delsecreg (struct secreg *);
165 #endif /* _NETKEY_KEYDB_H_ */