keydb.h revision 1.1.4.2
1 /* $NetBSD: keydb.h,v 1.1.4.2 2004/08/03 10:55:29 skrll Exp $ */ 2 /* $FreeBSD: src/sys/netipsec/keydb.h,v 1.1.4.1 2003/01/24 05:11:36 sam Exp $ */ 3 /* $KAME: keydb.h,v 1.14 2000/08/02 17:58:26 sakane Exp $ */ 4 5 /* 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 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. 20 * 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 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef _NETIPSEC_KEYDB_H_ 35 #define _NETIPSEC_KEYDB_H_ 36 37 #ifdef _KERNEL 38 39 #include <netipsec/key_var.h> 40 #include <net/route.h> 41 #include <netinet/in.h> 42 43 /* 44 * The union of all possible address formats we handle. 45 */ 46 union sockaddr_union { 47 struct sockaddr sa; 48 struct sockaddr_in sin; 49 struct sockaddr_in6 sin6; 50 }; 51 52 /* Security Assocciation Index */ 53 /* NOTE: Ensure to be same address family */ 54 struct secasindex { 55 union sockaddr_union src; /* srouce address for SA */ 56 union sockaddr_union dst; /* destination address for SA */ 57 u_int16_t proto; /* IPPROTO_ESP or IPPROTO_AH */ 58 u_int8_t mode; /* mode of protocol, see ipsec.h */ 59 u_int32_t reqid; /* reqid id who owned this SA */ 60 /* see IPSEC_MANUAL_REQID_MAX. */ 61 }; 62 63 /* Security Association Data Base */ 64 struct secashead { 65 LIST_ENTRY(secashead) chain; 66 67 struct secasindex saidx; 68 69 struct sadb_ident *idents; /* source identity */ 70 struct sadb_ident *identd; /* destination identity */ 71 /* XXX I don't know how to use them. */ 72 73 u_int8_t state; /* MATURE or DEAD. */ 74 LIST_HEAD(_satree, secasvar) savtree[SADB_SASTATE_MAX+1]; 75 /* SA chain */ 76 /* The first of this list is newer SA */ 77 78 struct route sa_route; /* route cache */ 79 }; 80 81 struct xformsw; 82 struct enc_xform; 83 struct auth_hash; 84 struct comp_algo; 85 86 /* Security Association */ 87 struct secasvar { 88 LIST_ENTRY(secasvar) chain; 89 90 u_int refcnt; /* reference count */ 91 u_int8_t state; /* Status of this Association */ 92 93 u_int8_t alg_auth; /* Authentication Algorithm Identifier*/ 94 u_int8_t alg_enc; /* Cipher Algorithm Identifier */ 95 u_int8_t alg_comp; /* Compression Algorithm Identifier */ 96 u_int32_t spi; /* SPI Value, network byte order */ 97 u_int32_t flags; /* holder for SADB_KEY_FLAGS */ 98 99 struct sadb_key *key_auth; /* Key for Authentication */ 100 struct sadb_key *key_enc; /* Key for Encryption */ 101 caddr_t iv; /* Initilization Vector */ 102 u_int ivlen; /* length of IV */ 103 void *sched; /* intermediate encryption key */ 104 size_t schedlen; 105 106 struct secreplay *replay; /* replay prevention */ 107 long created; /* for lifetime */ 108 109 struct sadb_lifetime *lft_c; /* CURRENT lifetime, it's constant. */ 110 struct sadb_lifetime *lft_h; /* HARD lifetime */ 111 struct sadb_lifetime *lft_s; /* SOFT lifetime */ 112 113 u_int32_t seq; /* sequence number */ 114 pid_t pid; /* message's pid */ 115 116 struct secashead *sah; /* back pointer to the secashead */ 117 118 /* 119 * NB: Fields with a tdb_ prefix are part of the "glue" used 120 * to interface to the OpenBSD crypto support. This was done 121 * to distinguish this code from the mainline KAME code. 122 */ 123 struct xformsw *tdb_xform; /* transform */ 124 struct enc_xform *tdb_encalgxform; /* encoding algorithm */ 125 struct auth_hash *tdb_authalgxform; /* authentication algorithm */ 126 struct comp_algo *tdb_compalgxform; /* compression algorithm */ 127 u_int64_t tdb_cryptoid; /* crypto session id */ 128 }; 129 130 /* replay prevention */ 131 struct secreplay { 132 u_int32_t count; 133 u_int wsize; /* window size, i.g. 4 bytes */ 134 u_int32_t seq; /* used by sender */ 135 u_int32_t lastseq; /* used by receiver */ 136 caddr_t bitmap; /* used by receiver */ 137 int overflow; /* overflow flag */ 138 }; 139 140 /* socket table due to send PF_KEY messages. */ 141 struct secreg { 142 LIST_ENTRY(secreg) chain; 143 144 struct socket *so; 145 }; 146 147 #ifndef IPSEC_NONBLOCK_ACQUIRE 148 /* acquiring list table. */ 149 struct secacq { 150 LIST_ENTRY(secacq) chain; 151 152 struct secasindex saidx; 153 154 u_int32_t seq; /* sequence number */ 155 long created; /* for lifetime */ 156 int count; /* for lifetime */ 157 }; 158 #endif 159 160 /* Sensitivity Level Specification */ 161 /* nothing */ 162 163 #define SADB_KILL_INTERVAL 600 /* six seconds */ 164 165 /* secpolicy */ 166 extern struct secpolicy *keydb_newsecpolicy __P((void)); 167 extern void keydb_delsecpolicy __P((struct secpolicy *)); 168 /* secashead */ 169 extern struct secashead *keydb_newsecashead __P((void)); 170 extern void keydb_delsecashead __P((struct secashead *)); 171 /* secasvar */ 172 extern struct secasvar *keydb_newsecasvar __P((void)); 173 extern void keydb_refsecasvar __P((struct secasvar *)); 174 extern void keydb_freesecasvar __P((struct secasvar *)); 175 /* secreplay */ 176 extern struct secreplay *keydb_newsecreplay __P((size_t)); 177 extern void keydb_delsecreplay __P((struct secreplay *)); 178 /* secreg */ 179 extern struct secreg *keydb_newsecreg __P((void)); 180 extern void keydb_delsecreg __P((struct secreg *)); 181 182 #endif /* _KERNEL */ 183 184 #endif /* _NETIPSEC_KEYDB_H_ */ 185
Indexes created Wed Oct 15 16:09:53 GMT 2025