pfkeyv2.h revision 1.4
1 /* $NetBSD: pfkeyv2.h,v 1.4 2000/02/09 03:27:29 itojun Exp $ */ 2 3 /* 4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the project nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 /* KAME Id: keyv2.h,v 1.14 2000/01/29 06:21:03 itojun Exp */ 33 34 /* 35 * This file has been derived rfc 2367, 36 * And added some flags of SADB_KEY_FLAGS_ as SADB_X_EXT_. 37 * sakane (at) ydc.co.jp 38 */ 39 40 #ifndef _NET_PFKEYV2_H_ 41 #define _NET_PFKEYV2_H_ 42 43 /* 44 This file defines structures and symbols for the PF_KEY Version 2 45 key management interface. It was written at the U.S. Naval Research 46 Laboratory. This file is in the public domain. The authors ask that 47 you leave this credit intact on any copies of this file. 48 */ 49 #ifndef __PFKEY_V2_H 50 #define __PFKEY_V2_H 1 51 52 #define PF_KEY_V2 2 53 #define PFKEYV2_REVISION 199806L 54 55 #define SADB_RESERVED 0 56 #define SADB_GETSPI 1 57 #define SADB_UPDATE 2 58 #define SADB_ADD 3 59 #define SADB_DELETE 4 60 #define SADB_GET 5 61 #define SADB_ACQUIRE 6 62 #define SADB_REGISTER 7 63 #define SADB_EXPIRE 8 64 #define SADB_FLUSH 9 65 #define SADB_DUMP 10 66 #define SADB_X_PROMISC 11 67 #define SADB_X_PCHANGE 12 68 69 #define SADB_X_SPDUPDATE 13 /* not yet */ 70 #define SADB_X_SPDADD 14 71 #define SADB_X_SPDDELETE 15 72 #define SADB_X_SPDGET 16 /* not yet */ 73 #define SADB_X_SPDACQUIRE 17 /* not yet */ 74 #define SADB_X_SPDDUMP 18 75 #define SADB_X_SPDFLUSH 19 76 #define SADB_X_SPDSETIDX 20 /* add only SPD selector */ 77 #define SADB_X_SPDEXPIRE 21 /* not yet */ 78 #define SADB_MAX 21 79 80 struct sadb_msg { 81 u_int8_t sadb_msg_version; 82 u_int8_t sadb_msg_type; 83 u_int8_t sadb_msg_errno; 84 u_int8_t sadb_msg_satype; 85 u_int16_t sadb_msg_len; 86 u_int8_t sadb_msg_mode; /* XXX */ 87 u_int8_t sadb_msg_reserved1; 88 u_int32_t sadb_msg_seq; 89 u_int32_t sadb_msg_pid; 90 u_int32_t sadb_msg_reqid; /* XXX */ 91 /* when policy mng, value is zero. */ 92 u_int32_t sadb_msg_reserved2; 93 }; 94 95 struct sadb_ext { 96 u_int16_t sadb_ext_len; 97 u_int16_t sadb_ext_type; 98 }; 99 100 struct sadb_sa { 101 u_int16_t sadb_sa_len; 102 u_int16_t sadb_sa_exttype; 103 u_int32_t sadb_sa_spi; 104 u_int8_t sadb_sa_replay; 105 u_int8_t sadb_sa_state; 106 u_int8_t sadb_sa_auth; 107 u_int8_t sadb_sa_encrypt; 108 u_int32_t sadb_sa_flags; 109 }; 110 111 struct sadb_lifetime { 112 u_int16_t sadb_lifetime_len; 113 u_int16_t sadb_lifetime_exttype; 114 u_int32_t sadb_lifetime_allocations; 115 u_int64_t sadb_lifetime_bytes; 116 u_int64_t sadb_lifetime_addtime; 117 u_int64_t sadb_lifetime_usetime; 118 }; 119 120 struct sadb_address { 121 u_int16_t sadb_address_len; 122 u_int16_t sadb_address_exttype; 123 u_int8_t sadb_address_proto; 124 u_int8_t sadb_address_prefixlen; 125 u_int16_t sadb_address_reserved; 126 }; 127 128 struct sadb_key { 129 u_int16_t sadb_key_len; 130 u_int16_t sadb_key_exttype; 131 u_int16_t sadb_key_bits; 132 u_int16_t sadb_key_reserved; 133 }; 134 135 struct sadb_ident { 136 u_int16_t sadb_ident_len; 137 u_int16_t sadb_ident_exttype; 138 u_int16_t sadb_ident_type; 139 u_int16_t sadb_ident_reserved; 140 u_int64_t sadb_ident_id; 141 }; 142 /* in order to use to divide sadb_ident.sadb_ident_id */ 143 union sadb_x_ident_id { 144 u_int64_t sadb_x_ident_id; 145 struct _sadb_x_ident_id_addr { 146 u_int16_t prefix; 147 u_int16_t ul_proto; 148 u_int32_t reserved; 149 } sadb_x_ident_id_addr; 150 }; 151 152 struct sadb_sens { 153 u_int16_t sadb_sens_len; 154 u_int16_t sadb_sens_exttype; 155 u_int32_t sadb_sens_dpd; 156 u_int8_t sadb_sens_sens_level; 157 u_int8_t sadb_sens_sens_len; 158 u_int8_t sadb_sens_integ_level; 159 u_int8_t sadb_sens_integ_len; 160 u_int32_t sadb_sens_reserved; 161 }; 162 163 struct sadb_prop { 164 u_int16_t sadb_prop_len; 165 u_int16_t sadb_prop_exttype; 166 u_int8_t sadb_prop_replay; 167 u_int8_t sadb_prop_reserved[3]; 168 }; 169 170 struct sadb_comb { 171 u_int8_t sadb_comb_auth; 172 u_int8_t sadb_comb_encrypt; 173 u_int16_t sadb_comb_flags; 174 u_int16_t sadb_comb_auth_minbits; 175 u_int16_t sadb_comb_auth_maxbits; 176 u_int16_t sadb_comb_encrypt_minbits; 177 u_int16_t sadb_comb_encrypt_maxbits; 178 u_int32_t sadb_comb_reserved; 179 u_int32_t sadb_comb_soft_allocations; 180 u_int32_t sadb_comb_hard_allocations; 181 u_int64_t sadb_comb_soft_bytes; 182 u_int64_t sadb_comb_hard_bytes; 183 u_int64_t sadb_comb_soft_addtime; 184 u_int64_t sadb_comb_hard_addtime; 185 u_int64_t sadb_comb_soft_usetime; 186 u_int64_t sadb_comb_hard_usetime; 187 }; 188 189 struct sadb_supported { 190 u_int16_t sadb_supported_len; 191 u_int16_t sadb_supported_exttype; 192 u_int32_t sadb_supported_reserved; 193 }; 194 195 struct sadb_alg { 196 u_int8_t sadb_alg_id; 197 u_int8_t sadb_alg_ivlen; 198 u_int16_t sadb_alg_minbits; 199 u_int16_t sadb_alg_maxbits; 200 u_int16_t sadb_alg_reserved; 201 }; 202 203 struct sadb_spirange { 204 u_int16_t sadb_spirange_len; 205 u_int16_t sadb_spirange_exttype; 206 u_int32_t sadb_spirange_min; 207 u_int32_t sadb_spirange_max; 208 u_int32_t sadb_spirange_reserved; 209 }; 210 211 struct sadb_x_kmprivate { 212 u_int16_t sadb_x_kmprivate_len; 213 u_int16_t sadb_x_kmprivate_exttype; 214 u_int32_t sadb_x_kmprivate_reserved; 215 }; 216 217 /* XXX Policy Extension */ 218 /* sizeof(struct sadb_x_policy) == 8 */ 219 struct sadb_x_policy { 220 u_int16_t sadb_x_policy_len; 221 u_int16_t sadb_x_policy_exttype; 222 u_int16_t sadb_x_policy_type; /* See policy type of ipsec.h */ 223 u_int8_t sadb_x_policy_dir; /* direction, see ipsec.h */ 224 u_int8_t sadb_x_policy_reserved; 225 }; 226 /* 227 * When policy_type == IPSEC, it is followed by some of 228 * the ipsec policy request. 229 * [total length of ipsec policy requests] 230 * = (sadb_x_policy_len * sizeof(uint64_t) - sizeof(struct sadb_x_policy)) 231 */ 232 233 /* XXX IPsec Policy Request Extension */ 234 /* 235 * This structure is aligned 8 bytes. 236 */ 237 struct sadb_x_ipsecrequest { 238 u_int16_t sadb_x_ipsecrequest_len; /* structure length aligned to 8 bytes. 239 * This value is true length of bytes. 240 * Not in units of 64 bits. */ 241 u_int16_t sadb_x_ipsecrequest_proto; /* See ipsec.h */ 242 u_int8_t sadb_x_ipsecrequest_mode; /* See IPSEC_MODE_XX in ipsec.h. */ 243 u_int8_t sadb_x_ipsecrequest_level; /* See IPSEC_LEVEL_XX in ipsec.h */ 244 u_int16_t sadb_x_ipsecrequest_reqid; /* See ipsec.h */ 245 246 /* 247 * followed by source IP address of SA, and immediately followed by 248 * destination IP address of SA. These encoded into two of sockaddr 249 * structure without any padding. Must set each sa_len exactly. 250 * Each of length of the sockaddr structure are not aligned to 64bits, 251 * but sum of x_request and addresses is aligned to 64bits. 252 */ 253 }; 254 255 #define SADB_EXT_RESERVED 0 256 #define SADB_EXT_SA 1 257 #define SADB_EXT_LIFETIME_CURRENT 2 258 #define SADB_EXT_LIFETIME_HARD 3 259 #define SADB_EXT_LIFETIME_SOFT 4 260 #define SADB_EXT_ADDRESS_SRC 5 261 #define SADB_EXT_ADDRESS_DST 6 262 #define SADB_EXT_ADDRESS_PROXY 7 263 #define SADB_EXT_KEY_AUTH 8 264 #define SADB_EXT_KEY_ENCRYPT 9 265 #define SADB_EXT_IDENTITY_SRC 10 266 #define SADB_EXT_IDENTITY_DST 11 267 #define SADB_EXT_SENSITIVITY 12 268 #define SADB_EXT_PROPOSAL 13 269 #define SADB_EXT_SUPPORTED_AUTH 14 270 #define SADB_EXT_SUPPORTED_ENCRYPT 15 271 #define SADB_EXT_SPIRANGE 16 272 #define SADB_X_EXT_KMPRIVATE 17 273 #define SADB_X_EXT_POLICY 18 274 #define SADB_EXT_MAX 18 275 276 #define SADB_SATYPE_UNSPEC 0 277 #define SADB_SATYPE_AH 2 278 #define SADB_SATYPE_ESP 3 279 #define SADB_SATYPE_RSVP 5 280 #define SADB_SATYPE_OSPFV2 6 281 #define SADB_SATYPE_RIPV2 7 282 #define SADB_SATYPE_MIP 8 283 #define SADB_X_SATYPE_IPCOMP 9 284 #define SADB_SATYPE_MAX 9 285 286 #define SADB_SASTATE_LARVAL 0 287 #define SADB_SASTATE_MATURE 1 288 #define SADB_SASTATE_DYING 2 289 #define SADB_SASTATE_DEAD 3 290 #define SADB_SASTATE_MAX 3 291 292 #define SADB_SAFLAGS_PFS 1 293 294 #define SADB_AALG_NONE 0 295 #define SADB_AALG_MD5HMAC 1 /* 2 */ 296 #define SADB_AALG_SHA1HMAC 2 /* 3 */ 297 #define SADB_AALG_MD5 3 /* Keyed MD5 */ 298 #define SADB_AALG_SHA 4 /* Keyed SHA */ 299 #define SADB_AALG_NULL 5 /* null authentication */ 300 #define SADB_AALG_MAX 6 301 302 #define SADB_EALG_NONE 0 303 #define SADB_EALG_DESCBC 1 /* 2 */ 304 #define SADB_EALG_3DESCBC 2 /* 3 */ 305 #define SADB_EALG_NULL 3 /* 11 */ 306 #define SADB_EALG_BLOWFISHCBC 4 307 #define SADB_EALG_CAST128CBC 5 308 #if 0 309 #define SADB_EALG_RC5CBC 6 310 #define SADB_EALG_MAX 7 311 #else 312 #define SADB_EALG_MAX 6 313 #endif 314 315 #if 1 /*nonstandard */ 316 #define SADB_X_CALG_NONE 0 317 #define SADB_X_CALG_OUI 1 318 #define SADB_X_CALG_DEFLATE 2 319 #define SADB_X_CALG_LZS 3 320 #define SADB_X_CALG_MAX 4 321 #endif 322 323 #define SADB_IDENTTYPE_RESERVED 0 324 #define SADB_IDENTTYPE_PREFIX 1 325 #define SADB_IDENTTYPE_FQDN 2 326 #define SADB_IDENTTYPE_USERFQDN 3 327 #define SADB_X_IDENTTYPE_ADDR 4 328 #define SADB_IDENTTYPE_MAX 4 329 330 /* `flags' in sadb_sa structure holds followings */ 331 #define SADB_X_EXT_NONE 0x0000 /* i.e. new format. */ 332 #define SADB_X_EXT_OLD 0x0001 /* old format. */ 333 334 #define SADB_X_EXT_IV4B 0x0010 /* IV length of 4 bytes in use */ 335 #define SADB_X_EXT_DERIV 0x0020 /* DES derived */ 336 #define SADB_X_EXT_CYCSEQ 0x0040 /* allowing to cyclic sequence. */ 337 338 /* three of followings are exclusive flags each them */ 339 #define SADB_X_EXT_PSEQ 0x0000 /* sequencial padding for ESP */ 340 #define SADB_X_EXT_PRAND 0x0100 /* random padding for ESP */ 341 #define SADB_X_EXT_PZERO 0x0200 /* zero padding for ESP */ 342 #define SADB_X_EXT_PMASK 0x0300 /* mask for padding flag */ 343 344 #if 1 345 #define SADB_X_EXT_RAWCPI 0x0080 /* use well known CPI (IPComp) */ 346 #endif 347 348 #define SADB_KEY_FLAGS_MAX 0x0fff 349 350 /* SPI size for PF_KEYv2 */ 351 #define PFKEY_SPI_SIZE sizeof(u_int32_t) 352 353 /* Identifier for menber of lifetime structure */ 354 #define SADB_X_LIFETIME_ALLOCATIONS 0 355 #define SADB_X_LIFETIME_BYTES 1 356 #define SADB_X_LIFETIME_ADDTIME 2 357 #define SADB_X_LIFETIME_USETIME 3 358 359 /* The rate for SOFT lifetime against HARD one. */ 360 #define PFKEY_SOFT_LIFETIME_RATE 80 361 362 /* Utilities */ 363 #define PFKEY_ALIGN8(a) (1 + (((a) - 1) | (8 - 1))) 364 #define PFKEY_EXTLEN(msg) \ 365 PFKEY_UNUNIT64(((struct sadb_ext *)(msg))->sadb_ext_len) 366 #define PFKEY_ADDR_PREFIX(ext) \ 367 (((struct sadb_address *)(ext))->sadb_address_prefixlen) 368 #define PFKEY_ADDR_PROTO(ext) \ 369 (((struct sadb_address *)(ext))->sadb_address_proto) 370 #define PFKEY_ADDR_SADDR(ext) \ 371 ((struct sockaddr *)((caddr_t)(ext) + sizeof(struct sadb_address))) 372 373 #if 1 374 /* in 64bits */ 375 #define PFKEY_UNUNIT64(a) ((a) << 3) 376 #define PFKEY_UNIT64(a) ((a) >> 3) 377 #else 378 #define PFKEY_UNUNIT64(a) (a) 379 #define PFKEY_UNIT64(a) (a) 380 #endif 381 382 #ifndef _KERNEL 383 extern void pfkey_sadump __P((struct sadb_msg *)); 384 extern void pfkey_spdump __P((struct sadb_msg *)); 385 386 struct sockaddr; 387 int ipsec_check_keylen __P((u_int, u_int, u_int)); 388 u_int pfkey_set_softrate __P((u_int, u_int)); 389 u_int pfkey_get_softrate __P((u_int)); 390 int pfkey_send_getspi __P((int, u_int, u_int, struct sockaddr *, 391 struct sockaddr *, u_int32_t, u_int32_t, u_int32_t, u_int32_t)); 392 int pfkey_send_update __P((int, u_int, u_int, struct sockaddr *, 393 struct sockaddr *, u_int32_t, u_int32_t, u_int, 394 caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, 395 u_int64_t, u_int64_t, u_int32_t)); 396 int pfkey_send_add __P((int, u_int, u_int, struct sockaddr *, 397 struct sockaddr *, u_int32_t, u_int32_t, u_int, 398 caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, 399 u_int64_t, u_int64_t, u_int32_t)); 400 int pfkey_send_delete __P((int, u_int, u_int, 401 struct sockaddr *, struct sockaddr *, u_int32_t)); 402 int pfkey_send_get __P((int, u_int, u_int, 403 struct sockaddr *, struct sockaddr *, u_int32_t)); 404 int pfkey_send_register __P((int, u_int)); 405 int pfkey_recv_register __P((int)); 406 int pfkey_send_flush __P((int, u_int)); 407 int pfkey_send_dump __P((int, u_int)); 408 int pfkey_send_promisc_toggle __P((int, int)); 409 int pfkey_send_spdadd __P((int, struct sockaddr *, u_int, 410 struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t)); 411 int pfkey_send_spddelete __P((int, struct sockaddr *, u_int, 412 struct sockaddr *, u_int, u_int, u_int32_t)); 413 int pfkey_send_spdflush __P((int)); 414 int pfkey_send_spddump __P((int)); 415 416 int pfkey_open __P((void)); 417 void pfkey_close __P((int)); 418 struct sadb_msg *pfkey_recv __P((int)); 419 int pfkey_send __P((int, struct sadb_msg *, int)); 420 int pfkey_align __P((struct sadb_msg *, caddr_t *)); 421 int pfkey_check __P((caddr_t *)); 422 423 #endif /*!_KERNEL*/ 424 425 #endif /* __PFKEY_V2_H */ 426 427 #endif /* _NET_PFKEYV2_H_ */ 428
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