1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _NET_PFKEYV2_H 27 #define _NET_PFKEYV2_H 28 29 /* 30 * Definitions and structures for PF_KEY version 2. See RFC 2367 for 31 * more details. SA == Security Association, which is what PF_KEY provides 32 * an API for managing. 33 */ 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #define PF_KEY_V2 2 40 #define PFKEYV2_REVISION 200109L 41 42 /* 43 * Base PF_KEY message. 44 */ 45 46 typedef struct sadb_msg { 47 uint8_t sadb_msg_version; /* Version, currently PF_KEY_V2 */ 48 uint8_t sadb_msg_type; /* ADD, UPDATE, etc. */ 49 uint8_t sadb_msg_errno; /* Error number from UNIX errno space */ 50 uint8_t sadb_msg_satype; /* ESP, AH, etc. */ 51 uint16_t sadb_msg_len; /* Length in 64-bit words. */ 52 uint16_t sadb_msg_reserved; /* must be zero */ 53 /* 54 * Use the reserved field for extended diagnostic information on errno 55 * responses. 56 */ 57 #define sadb_x_msg_diagnostic sadb_msg_reserved 58 /* Union is for guaranteeing 64-bit alignment. */ 59 union { 60 struct { 61 uint32_t sadb_x_msg_useq; /* Set by originator */ 62 uint32_t sadb_x_msg_upid; /* Set by originator */ 63 } sadb_x_msg_actual; 64 uint64_t sadb_x_msg_alignment; 65 } sadb_x_msg_u; 66 #define sadb_msg_seq sadb_x_msg_u.sadb_x_msg_actual.sadb_x_msg_useq 67 #define sadb_msg_pid sadb_x_msg_u.sadb_x_msg_actual.sadb_x_msg_upid 68 } sadb_msg_t; 69 70 /* 71 * Generic extension header. 72 */ 73 74 typedef struct sadb_ext { 75 union { 76 /* Union is for guaranteeing 64-bit alignment. */ 77 struct { 78 uint16_t sadb_x_ext_ulen; /* In 64s, inclusive */ 79 uint16_t sadb_x_ext_utype; /* 0 is reserved */ 80 } sadb_x_ext_actual; 81 uint64_t sadb_x_ext_alignment; 82 } sadb_x_ext_u; 83 #define sadb_ext_len sadb_x_ext_u.sadb_x_ext_actual.sadb_x_ext_ulen 84 #define sadb_ext_type sadb_x_ext_u.sadb_x_ext_actual.sadb_x_ext_utype 85 } sadb_ext_t; 86 87 /* 88 * Security Association information extension. 89 */ 90 91 typedef struct sadb_sa { 92 /* Union is for guaranteeing 64-bit alignment. */ 93 union { 94 struct { 95 uint16_t sadb_x_sa_ulen; 96 uint16_t sadb_x_sa_uexttype; /* ASSOCIATION */ 97 uint32_t sadb_x_sa_uspi; /* Sec. Param. Index */ 98 } sadb_x_sa_uactual; 99 uint64_t sadb_x_sa_alignment; 100 } sadb_x_sa_u; 101 #define sadb_sa_len sadb_x_sa_u.sadb_x_sa_uactual.sadb_x_sa_ulen 102 #define sadb_sa_exttype sadb_x_sa_u.sadb_x_sa_uactual.sadb_x_sa_uexttype 103 #define sadb_sa_spi sadb_x_sa_u.sadb_x_sa_uactual.sadb_x_sa_uspi 104 uint8_t sadb_sa_replay; /* Replay counter */ 105 uint8_t sadb_sa_state; /* MATURE, DEAD, DYING, LARVAL */ 106 uint8_t sadb_sa_auth; /* Authentication algorithm */ 107 uint8_t sadb_sa_encrypt; /* Encryption algorithm */ 108 uint32_t sadb_sa_flags; /* SA flags. */ 109 } sadb_sa_t; 110 111 /* 112 * SA Lifetime extension. Already 64-bit aligned thanks to uint64_t fields. 113 */ 114 115 typedef struct sadb_lifetime { 116 uint16_t sadb_lifetime_len; 117 uint16_t sadb_lifetime_exttype; /* SOFT, HARD, CURRENT */ 118 uint32_t sadb_lifetime_allocations; 119 uint64_t sadb_lifetime_bytes; 120 uint64_t sadb_lifetime_addtime; /* These fields are assumed to hold */ 121 uint64_t sadb_lifetime_usetime; /* >= sizeof (time_t). */ 122 } sadb_lifetime_t; 123 124 /* 125 * SA address information. 126 */ 127 128 typedef struct sadb_address { 129 /* Union is for guaranteeing 64-bit alignment. */ 130 union { 131 struct { 132 uint16_t sadb_x_address_ulen; 133 uint16_t sadb_x_address_uexttype; /* SRC, DST, PROXY */ 134 uint8_t sadb_x_address_uproto; /* Proto for ports... */ 135 uint8_t sadb_x_address_uprefixlen; /* Prefix length. */ 136 uint16_t sadb_x_address_ureserved; /* Padding */ 137 } sadb_x_address_actual; 138 uint64_t sadb_x_address_alignment; 139 } sadb_x_address_u; 140 #define sadb_address_len \ 141 sadb_x_address_u.sadb_x_address_actual.sadb_x_address_ulen 142 #define sadb_address_exttype \ 143 sadb_x_address_u.sadb_x_address_actual.sadb_x_address_uexttype 144 #define sadb_address_proto \ 145 sadb_x_address_u.sadb_x_address_actual.sadb_x_address_uproto 146 #define sadb_address_prefixlen \ 147 sadb_x_address_u.sadb_x_address_actual.sadb_x_address_uprefixlen 148 #define sadb_address_reserved \ 149 sadb_x_address_u.sadb_x_address_actual.sadb_x_address_ureserved 150 /* Followed by a sockaddr structure which may contain ports. */ 151 } sadb_address_t; 152 153 /* 154 * SA key information. 155 */ 156 157 typedef struct sadb_key { 158 /* Union is for guaranteeing 64-bit alignment. */ 159 union { 160 struct { 161 uint16_t sadb_x_key_ulen; 162 uint16_t sadb_x_key_uexttype; /* AUTH, ENCRYPT */ 163 uint16_t sadb_x_key_ubits; /* Actual len (bits) */ 164 uint16_t sadb_x_key_ureserved; 165 } sadb_x_key_actual; 166 uint64_t sadb_x_key_alignment; 167 } sadb_x_key_u; 168 #define sadb_key_len sadb_x_key_u.sadb_x_key_actual.sadb_x_key_ulen 169 #define sadb_key_exttype sadb_x_key_u.sadb_x_key_actual.sadb_x_key_uexttype 170 #define sadb_key_bits sadb_x_key_u.sadb_x_key_actual.sadb_x_key_ubits 171 #define sadb_key_reserved sadb_x_key_u.sadb_x_key_actual.sadb_x_key_ureserved 172 /* Followed by actual key(s) in canonical (outbound proc.) order. */ 173 } sadb_key_t; 174 175 /* 176 * SA Identity information. Already 64-bit aligned thanks to uint64_t fields. 177 */ 178 179 typedef struct sadb_ident { 180 uint16_t sadb_ident_len; 181 uint16_t sadb_ident_exttype; /* SRC, DST, PROXY */ 182 uint16_t sadb_ident_type; /* FQDN, USER_FQDN, etc. */ 183 uint16_t sadb_ident_reserved; /* Padding */ 184 uint64_t sadb_ident_id; /* For userid, etc. */ 185 /* Followed by an identity null-terminate C string if present. */ 186 } sadb_ident_t; 187 188 /* 189 * SA sensitivity information. This is mostly useful on MLS systems. 190 */ 191 192 typedef struct sadb_sens { 193 /* Union is for guaranteeing 64-bit alignment. */ 194 union { 195 struct { 196 uint16_t sadb_x_sens_ulen; 197 uint16_t sadb_x_sens_uexttype; /* SENSITIVITY */ 198 uint32_t sadb_x_sens_udpd; /* Protection domain */ 199 } sadb_x_sens_actual; 200 uint64_t sadb_x_sens_alignment; 201 } sadb_x_sens_u; 202 #define sadb_sens_len sadb_x_sens_u.sadb_x_sens_actual.sadb_x_sens_ulen 203 #define sadb_sens_exttype sadb_x_sens_u.sadb_x_sens_actual.sadb_x_sens_uexttype 204 #define sadb_sens_dpd sadb_x_sens_u.sadb_x_sens_actual.sadb_x_sens_udpd 205 uint8_t sadb_sens_sens_level; 206 uint8_t sadb_sens_sens_len; /* 64-bit words */ 207 uint8_t sadb_sens_integ_level; 208 uint8_t sadb_sens_integ_len; /* 64-bit words */ 209 uint32_t sadb_sens_reserved; 210 /* 211 * followed by two uint64_t arrays 212 * uint64_t sadb_sens_bitmap[sens_bitmap_len]; 213 * uint64_t sadb_integ_bitmap[integ_bitmap_len]; 214 */ 215 } sadb_sens_t; 216 217 /* 218 * A proposal extension. This is found in an ACQUIRE message, and it 219 * proposes what sort of SA the kernel would like to ACQUIRE. 220 */ 221 222 /* First, a base structure... */ 223 224 typedef struct sadb_x_propbase { 225 uint16_t sadb_x_propb_len; 226 uint16_t sadb_x_propb_exttype; /* PROPOSAL, X_EPROP */ 227 union { 228 struct { 229 uint8_t sadb_x_propb_lenres_replay; 230 uint8_t sadb_x_propb_lenres_eres; 231 uint16_t sadb_x_propb_lenres_numecombs; 232 } sadb_x_propb_lenres; 233 struct { 234 uint8_t sadb_x_propb_oldres_replay; 235 uint8_t sadb_x_propb_oldres_reserved[3]; 236 } sadb_x_propb_oldres; 237 } sadb_x_propb_u; 238 #define sadb_x_propb_replay \ 239 sadb_x_propb_u.sadb_x_propb_lenres.sadb_x_propb_lenres_replay 240 #define sadb_x_propb_reserved \ 241 sadb_x_propb_u.sadb_x_propb_oldres.sadb_x_propb_oldres_reserved 242 #define sadb_x_propb_ereserved \ 243 sadb_x_propb_u.sadb_x_propb_lenres.sadb_x_propb_lenres_eres 244 #define sadb_x_propb_numecombs \ 245 sadb_x_propb_u.sadb_x_propb_lenres.sadb_x_propb_lenres_numecombs 246 /* Followed by sadb_comb[] array or sadb_ecomb[] array. */ 247 } sadb_x_propbase_t; 248 249 /* Now, the actual sadb_prop structure, which will have alignment in it! */ 250 251 typedef struct sadb_prop { 252 /* Union is for guaranteeing 64-bit alignment. */ 253 union { 254 sadb_x_propbase_t sadb_x_prop_actual; 255 uint64_t sadb_x_prop_alignment; 256 } sadb_x_prop_u; 257 #define sadb_prop_len sadb_x_prop_u.sadb_x_prop_actual.sadb_x_propb_len 258 #define sadb_prop_exttype sadb_x_prop_u.sadb_x_prop_actual.sadb_x_propb_exttype 259 #define sadb_prop_replay sadb_x_prop_u.sadb_x_prop_actual.sadb_x_propb_replay 260 #define sadb_prop_reserved \ 261 sadb_x_prop_u.sadb_x_prop_actual.sadb_x_propb_reserved 262 #define sadb_x_prop_ereserved \ 263 sadb_x_prop_u.sadb_x_prop_actual.sadb_x_propb_ereserved 264 #define sadb_x_prop_numecombs \ 265 sadb_x_prop_u.sadb_x_prop_actual.sadb_x_propb_numecombs 266 } sadb_prop_t; 267 268 /* 269 * This is a proposed combination. Many of these can follow a proposal 270 * extension. Already 64-bit aligned thanks to uint64_t fields. 271 */ 272 273 typedef struct sadb_comb { 274 uint8_t sadb_comb_auth; /* Authentication algorithm */ 275 uint8_t sadb_comb_encrypt; /* Encryption algorithm */ 276 uint16_t sadb_comb_flags; /* Comb. flags (e.g. PFS) */ 277 uint16_t sadb_comb_auth_minbits; /* Bit strengths for auth */ 278 uint16_t sadb_comb_auth_maxbits; 279 uint16_t sadb_comb_encrypt_minbits; /* Bit strengths for encrypt */ 280 uint16_t sadb_comb_encrypt_maxbits; 281 uint32_t sadb_comb_reserved; 282 uint32_t sadb_comb_soft_allocations; /* Lifetime proposals for */ 283 uint32_t sadb_comb_hard_allocations; /* this combination. */ 284 uint64_t sadb_comb_soft_bytes; 285 uint64_t sadb_comb_hard_bytes; 286 uint64_t sadb_comb_soft_addtime; 287 uint64_t sadb_comb_hard_addtime; 288 uint64_t sadb_comb_soft_usetime; 289 uint64_t sadb_comb_hard_usetime; 290 } sadb_comb_t; 291 292 /* 293 * An extended combination that can comprise of many SA types. 294 * A single combination has algorithms and SA types locked. 295 * These are represented by algorithm descriptors, the second structure 296 * in the list. For example, if the EACQUIRE requests AH(MD5) + ESP(DES/null) 297 * _or_ ESP(DES/MD5), it would have two combinations: 298 * 299 * COMB: algdes(AH, AUTH, MD5), algdes(ESP, CRYPT, DES) 300 * COMB: algdes(ESP, AUTH, MD5), algdes(ESP, CRYPT, DES) 301 * 302 * If an SA type supports an algorithm type, and there's no descriptor, 303 * assume it requires NONE, just like it were explicitly stated. 304 * (This includes ESP NULL encryption, BTW.) 305 * 306 * Already 64-bit aligned thanks to uint64_t fields. 307 */ 308 309 typedef struct sadb_x_ecomb { 310 uint8_t sadb_x_ecomb_numalgs; 311 uint8_t sadb_x_ecomb_reserved; 312 uint16_t sadb_x_ecomb_flags; /* E.g. PFS? */ 313 uint32_t sadb_x_ecomb_reserved2; 314 uint32_t sadb_x_ecomb_soft_allocations; 315 uint32_t sadb_x_ecomb_hard_allocations; 316 uint64_t sadb_x_ecomb_soft_bytes; 317 uint64_t sadb_x_ecomb_hard_bytes; 318 uint64_t sadb_x_ecomb_soft_addtime; 319 uint64_t sadb_x_ecomb_hard_addtime; 320 uint64_t sadb_x_ecomb_soft_usetime; 321 uint64_t sadb_x_ecomb_hard_usetime; 322 } sadb_x_ecomb_t; 323 324 typedef struct sadb_x_algdesc { 325 /* Union is for guaranteeing 64-bit alignment. */ 326 union { 327 struct { 328 uint8_t sadb_x_algdesc_usatype; /* ESP, AH, etc. */ 329 uint8_t sadb_x_algdesc_ualgtype; /* AUTH, CRYPT, COMP */ 330 uint8_t sadb_x_algdesc_ualg; /* 3DES, MD5, etc. */ 331 uint8_t sadb_x_algdesc_ureserved; 332 uint16_t sadb_x_algdesc_uminbits; /* Bit strengths. */ 333 uint16_t sadb_x_algdesc_umaxbits; 334 } sadb_x_algdesc_actual; 335 uint64_t sadb_x_algdesc_alignment; 336 } sadb_x_algdesc_u; 337 #define sadb_x_algdesc_satype \ 338 sadb_x_algdesc_u.sadb_x_algdesc_actual.sadb_x_algdesc_usatype 339 #define sadb_x_algdesc_algtype \ 340 sadb_x_algdesc_u.sadb_x_algdesc_actual.sadb_x_algdesc_ualgtype 341 #define sadb_x_algdesc_alg \ 342 sadb_x_algdesc_u.sadb_x_algdesc_actual.sadb_x_algdesc_ualg 343 #define sadb_x_algdesc_reserved \ 344 sadb_x_algdesc_u.sadb_x_algdesc_actual.sadb_x_algdesc_ureserved 345 #define sadb_x_algdesc_minbits \ 346 sadb_x_algdesc_u.sadb_x_algdesc_actual.sadb_x_algdesc_uminbits 347 #define sadb_x_algdesc_maxbits \ 348 sadb_x_algdesc_u.sadb_x_algdesc_actual.sadb_x_algdesc_umaxbits 349 } sadb_x_algdesc_t; 350 351 /* 352 * When key mgmt. registers with the kernel, the kernel will tell key mgmt. 353 * its supported algorithms. 354 */ 355 356 typedef struct sadb_supported { 357 /* Union is for guaranteeing 64-bit alignment. */ 358 union { 359 struct { 360 uint16_t sadb_x_supported_ulen; 361 uint16_t sadb_x_supported_uexttype; 362 uint32_t sadb_x_supported_ureserved; 363 } sadb_x_supported_actual; 364 uint64_t sadb_x_supported_alignment; 365 } sadb_x_supported_u; 366 #define sadb_supported_len \ 367 sadb_x_supported_u.sadb_x_supported_actual.sadb_x_supported_ulen 368 #define sadb_supported_exttype \ 369 sadb_x_supported_u.sadb_x_supported_actual.sadb_x_supported_uexttype 370 #define sadb_supported_reserved \ 371 sadb_x_supported_u.sadb_x_supported_actual.sadb_x_supported_ureserved 372 } sadb_supported_t; 373 374 /* First, a base structure... */ 375 typedef struct sadb_x_algb { 376 uint8_t sadb_x_algb_id; /* Algorithm type. */ 377 uint8_t sadb_x_algb_ivlen; /* IV len, in bits */ 378 uint16_t sadb_x_algb_minbits; /* Min. key len (in bits) */ 379 uint16_t sadb_x_algb_maxbits; /* Max. key length */ 380 union { 381 uint16_t sadb_x_algb_ureserved; 382 uint8_t sadb_x_algb_udefaults[2]; 383 } sadb_x_algb_union; 384 385 #define sadb_x_algb_reserved sadb_x_algb_union.sadb_x_algb_ureserved 386 #define sadb_x_algb_increment sadb_x_algb_union.sadb_x_algb_udefaults[0] 387 #define sadb_x_algb_defincr sadb_x_algb_union.sadb_x_algb_udefaults[1] 388 /* 389 * alg_increment: the number of bits from a key length to the next 390 * alg_defincr: the number of increments from the smallest possible 391 * key to the default key length 392 */ 393 } sadb_x_algb_t; 394 /* useful macros for dealing with defincr */ 395 #define SADB_ALG_DEFAULT_LEN(min, incr, defincr) ((min) + ((defincr) * (incr))) 396 #define SADB_ALG_DEFAULT_INCR(min, incr, default) (((default) - (min)) / (incr)) 397 398 /* Now, the actual sadb_alg structure, which will have alignment in it. */ 399 typedef struct sadb_alg { 400 /* Union is for guaranteeing 64-bit alignment. */ 401 union { 402 sadb_x_algb_t sadb_x_alg_actual; 403 uint64_t sadb_x_alg_alignment; 404 } sadb_x_alg_u; 405 #define sadb_alg_id sadb_x_alg_u.sadb_x_alg_actual.sadb_x_algb_id 406 #define sadb_alg_ivlen sadb_x_alg_u.sadb_x_alg_actual.sadb_x_algb_ivlen 407 #define sadb_alg_minbits sadb_x_alg_u.sadb_x_alg_actual.sadb_x_algb_minbits 408 #define sadb_alg_maxbits sadb_x_alg_u.sadb_x_alg_actual.sadb_x_algb_maxbits 409 #define sadb_alg_reserved sadb_x_alg_u.sadb_x_alg_actual.sadb_x_algb_reserved 410 #define sadb_x_alg_increment \ 411 sadb_x_alg_u.sadb_x_alg_actual.sadb_x_algb_increment 412 #define sadb_x_alg_defincr sadb_x_alg_u.sadb_x_alg_actual.sadb_x_algb_defincr 413 } sadb_alg_t; 414 415 /* 416 * If key mgmt. needs an SPI in a range (including 0 to 0xFFFFFFFF), it 417 * asks the kernel with this extension in the SADB_GETSPI message. 418 */ 419 420 typedef struct sadb_spirange { 421 uint16_t sadb_spirange_len; 422 uint16_t sadb_spirange_exttype; /* SPI_RANGE */ 423 uint32_t sadb_spirange_min; 424 /* Union is for guaranteeing 64-bit alignment. */ 425 union { 426 struct { 427 uint32_t sadb_x_spirange_umax; 428 uint32_t sadb_x_spirange_ureserved; 429 } sadb_x_spirange_actual; 430 uint64_t sadb_x_spirange_alignment; 431 } sadb_x_spirange_u; 432 #define sadb_spirange_max \ 433 sadb_x_spirange_u.sadb_x_spirange_actual.sadb_x_spirange_umax 434 #define sadb_spirange_reserved \ 435 sadb_x_spirange_u.sadb_x_spirange_actual.sadb_x_spirange_ureserved 436 } sadb_spirange_t; 437 438 /* 439 * For the "extended REGISTER" which'll tell the kernel to send me 440 * "extended ACQUIREs". 441 */ 442 443 typedef struct sadb_x_ereg { 444 /* Union is for guaranteeing 64-bit alignment. */ 445 union { 446 struct { 447 uint16_t sadb_x_ereg_ulen; 448 uint16_t sadb_x_ereg_uexttype; /* X_EREG */ 449 /* Array of SA types, 0-terminated. */ 450 uint8_t sadb_x_ereg_usatypes[4]; 451 } sadb_x_ereg_actual; 452 uint64_t sadb_x_ereg_alignment; 453 } sadb_x_ereg_u; 454 #define sadb_x_ereg_len \ 455 sadb_x_ereg_u.sadb_x_ereg_actual.sadb_x_ereg_ulen 456 #define sadb_x_ereg_exttype \ 457 sadb_x_ereg_u.sadb_x_ereg_actual.sadb_x_ereg_uexttype 458 #define sadb_x_ereg_satypes \ 459 sadb_x_ereg_u.sadb_x_ereg_actual.sadb_x_ereg_usatypes 460 } sadb_x_ereg_t; 461 462 /* 463 * For conveying a Key Management Cookie with SADB_GETSPI, SADB_ADD, 464 * SADB_ACQUIRE, or SADB_X_INVERSE_ACQUIRE. 465 */ 466 467 typedef struct sadb_x_kmc { 468 uint16_t sadb_x_kmc_len; 469 uint16_t sadb_x_kmc_exttype; /* X_KM_COOKIE */ 470 uint32_t sadb_x_kmc_proto; /* KM protocol */ 471 union { 472 struct { 473 uint32_t sadb_x_kmc_ucookie; /* KMP-specific */ 474 uint32_t sadb_x_kmc_ureserved; /* Must be zero */ 475 } sadb_x_kmc_actual; 476 uint64_t sadb_x_kmc_alignment; 477 } sadb_x_kmc_u; 478 #define sadb_x_kmc_cookie sadb_x_kmc_u.sadb_x_kmc_actual.sadb_x_kmc_ucookie 479 #define sadb_x_kmc_reserved sadb_x_kmc_u.sadb_x_kmc_actual.sadb_x_kmc_ureserved 480 } sadb_x_kmc_t; 481 482 typedef struct sadb_x_pair { 483 union { 484 /* Union is for guaranteeing 64-bit alignment. */ 485 struct { 486 uint16_t sadb_x_pair_ulen; 487 uint16_t sadb_x_pair_uexttype; 488 uint32_t sadb_x_pair_uspi; /* SPI of paired SA */ 489 } sadb_x_pair_actual; 490 uint64_t sadb_x_ext_alignment; 491 } sadb_x_pair_u; 492 #define sadb_x_pair_len sadb_x_pair_u.sadb_x_pair_actual.sadb_x_pair_ulen 493 #define sadb_x_pair_exttype \ 494 sadb_x_pair_u.sadb_x_pair_actual.sadb_x_pair_uexttype 495 #define sadb_x_pair_spi sadb_x_pair_u.sadb_x_pair_actual.sadb_x_pair_uspi 496 } sadb_x_pair_t; 497 498 /* 499 * For the Sequence numbers to be used with SADB_DUMP, SADB_GET, SADB_UPDATE. 500 */ 501 502 typedef struct sadb_x_replay_ctr { 503 uint16_t sadb_x_rc_len; 504 uint16_t sadb_x_rc_exttype; 505 uint32_t sadb_x_rc_replay32; /* For 240x SAs. */ 506 uint64_t sadb_x_rc_replay64; /* For 430x SAs. */ 507 } sadb_x_replay_ctr_t; 508 509 /* 510 * For extended DUMP request. Dumps the SAs which were idle for 511 * longer than the timeout specified. 512 */ 513 514 typedef struct sadb_x_edump { 515 uint16_t sadb_x_edump_len; 516 uint16_t sadb_x_edump_exttype; 517 uint32_t sadb_x_edump_reserved; 518 uint64_t sadb_x_edump_timeout; 519 } sadb_x_edump_t; 520 521 /* 522 * Base message types. 523 */ 524 525 #define SADB_RESERVED 0 526 #define SADB_GETSPI 1 527 #define SADB_UPDATE 2 528 #define SADB_ADD 3 529 #define SADB_DELETE 4 530 #define SADB_GET 5 531 #define SADB_ACQUIRE 6 532 #define SADB_REGISTER 7 533 #define SADB_EXPIRE 8 534 #define SADB_FLUSH 9 535 #define SADB_DUMP 10 /* not used normally */ 536 #define SADB_X_PROMISC 11 537 #define SADB_X_INVERSE_ACQUIRE 12 538 #define SADB_X_UPDATEPAIR 13 539 #define SADB_X_DELPAIR 14 540 #define SADB_X_DELPAIR_STATE 15 541 #define SADB_MAX 15 542 543 /* 544 * SA flags 545 */ 546 547 #define SADB_SAFLAGS_PFS 0x1 /* Perfect forward secrecy? */ 548 #define SADB_SAFLAGS_NOREPLAY 0x2 /* Replay field NOT PRESENT. */ 549 550 /* Below flags are used by this implementation. Grow from left-to-right. */ 551 #define SADB_X_SAFLAGS_USED 0x80000000 /* SA used/not used */ 552 #define SADB_X_SAFLAGS_UNIQUE 0x40000000 /* SA unique/reusable */ 553 #define SADB_X_SAFLAGS_AALG1 0x20000000 /* Auth-alg specific flag 1 */ 554 #define SADB_X_SAFLAGS_AALG2 0x10000000 /* Auth-alg specific flag 2 */ 555 #define SADB_X_SAFLAGS_EALG1 0x8000000 /* Encr-alg specific flag 1 */ 556 #define SADB_X_SAFLAGS_EALG2 0x4000000 /* Encr-alg specific flag 2 */ 557 #define SADB_X_SAFLAGS_KM1 0x2000000 /* Key mgmt. specific flag 1 */ 558 #define SADB_X_SAFLAGS_KM2 0x1000000 /* Key mgmt. specific flag 2 */ 559 #define SADB_X_SAFLAGS_KM3 0x800000 /* Key mgmt. specific flag 3 */ 560 #define SADB_X_SAFLAGS_KM4 0x400000 /* Key mgmt. specific flag 4 */ 561 #define SADB_X_SAFLAGS_KRES1 0x200000 /* Reserved by the kernel */ 562 #define SADB_X_SAFLAGS_NATT_LOC 0x100000 /* this has a natted src SA */ 563 #define SADB_X_SAFLAGS_NATT_REM 0x80000 /* this has a natted dst SA */ 564 #define SADB_X_SAFLAGS_KRES2 0x40000 /* Reserved by the kernel */ 565 #define SADB_X_SAFLAGS_TUNNEL 0x20000 /* tunnel mode */ 566 #define SADB_X_SAFLAGS_PAIRED 0x10000 /* inbound/outbound pair */ 567 #define SADB_X_SAFLAGS_OUTBOUND 0x8000 /* SA direction bit */ 568 #define SADB_X_SAFLAGS_INBOUND 0x4000 /* SA direction bit */ 569 #define SADB_X_SAFLAGS_NATTED 0x1000 /* Local node is behind a NAT */ 570 571 #define SADB_X_SAFLAGS_KRES \ 572 SADB_X_SAFLAGS_KRES1 | SADB_X_SAFLAGS_KRES2 573 574 /* 575 * SA state. 576 */ 577 578 #define SADB_SASTATE_LARVAL 0 579 #define SADB_SASTATE_MATURE 1 580 #define SADB_SASTATE_DYING 2 581 #define SADB_SASTATE_DEAD 3 582 #define SADB_X_SASTATE_ACTIVE_ELSEWHERE 4 583 #define SADB_X_SASTATE_IDLE 5 584 #define SADB_X_SASTATE_ACTIVE 6 585 586 #define SADB_SASTATE_MAX 6 587 588 /* 589 * SA type. Gaps are present in the number space because (for the time being) 590 * these types correspond to the SA types in the IPsec DOI document. 591 */ 592 593 #define SADB_SATYPE_UNSPEC 0 594 #define SADB_SATYPE_AH 2 /* RFC-1826 */ 595 #define SADB_SATYPE_ESP 3 /* RFC-1827 */ 596 #define SADB_SATYPE_RSVP 5 /* RSVP Authentication */ 597 #define SADB_SATYPE_OSPFV2 6 /* OSPFv2 Authentication */ 598 #define SADB_SATYPE_RIPV2 7 /* RIPv2 Authentication */ 599 #define SADB_SATYPE_MIP 8 /* Mobile IPv4 Authentication */ 600 601 #define SADB_SATYPE_MAX 8 602 603 /* 604 * Algorithm types. Gaps are present because (for the time being) these types 605 * correspond to the SA types in the IPsec DOI document. 606 * 607 * NOTE: These are numbered to play nice with the IPsec DOI. That's why 608 * there are gaps. 609 */ 610 611 /* Authentication algorithms */ 612 #define SADB_AALG_NONE 0 613 #define SADB_AALG_MD5HMAC 2 614 #define SADB_AALG_SHA1HMAC 3 615 #define SADB_AALG_SHA256HMAC 5 616 #define SADB_AALG_SHA384HMAC 6 617 #define SADB_AALG_SHA512HMAC 7 618 619 #define SADB_AALG_MAX 7 620 621 /* Encryption algorithms */ 622 #define SADB_EALG_NONE 0 623 #define SADB_EALG_DESCBC 2 624 #define SADB_EALG_3DESCBC 3 625 #define SADB_EALG_BLOWFISH 7 626 #define SADB_EALG_NULL 11 627 #define SADB_EALG_AES 12 628 #define SADB_EALG_MAX 12 629 630 /* 631 * Extension header values. 632 */ 633 634 #define SADB_EXT_RESERVED 0 635 636 #define SADB_EXT_SA 1 637 #define SADB_EXT_LIFETIME_CURRENT 2 638 #define SADB_EXT_LIFETIME_HARD 3 639 #define SADB_EXT_LIFETIME_SOFT 4 640 #define SADB_EXT_ADDRESS_SRC 5 641 #define SADB_EXT_ADDRESS_DST 6 642 /* These two are synonyms. */ 643 #define SADB_EXT_ADDRESS_PROXY 7 644 #define SADB_X_EXT_ADDRESS_INNER_SRC SADB_EXT_ADDRESS_PROXY 645 #define SADB_EXT_KEY_AUTH 8 646 #define SADB_EXT_KEY_ENCRYPT 9 647 #define SADB_EXT_IDENTITY_SRC 10 648 #define SADB_EXT_IDENTITY_DST 11 649 #define SADB_EXT_SENSITIVITY 12 650 #define SADB_EXT_PROPOSAL 13 651 #define SADB_EXT_SUPPORTED_AUTH 14 652 #define SADB_EXT_SUPPORTED_ENCRYPT 15 653 #define SADB_EXT_SPIRANGE 16 654 #define SADB_X_EXT_EREG 17 655 #define SADB_X_EXT_EPROP 18 656 #define SADB_X_EXT_KM_COOKIE 19 657 #define SADB_X_EXT_ADDRESS_NATT_LOC 20 658 #define SADB_X_EXT_ADDRESS_NATT_REM 21 659 #define SADB_X_EXT_ADDRESS_INNER_DST 22 660 #define SADB_X_EXT_PAIR 23 661 #define SADB_X_EXT_REPLAY_VALUE 24 662 #define SADB_X_EXT_EDUMP 25 663 #define SADB_X_EXT_LIFETIME_IDLE 26 664 665 #define SADB_EXT_MAX 26 666 667 /* 668 * Identity types. 669 */ 670 671 #define SADB_IDENTTYPE_RESERVED 0 672 673 /* 674 * For PREFIX and ADDR_RANGE, use the AF of the PROXY if present, or the SRC 675 * if not present. 676 */ 677 #define SADB_IDENTTYPE_PREFIX 1 678 #define SADB_IDENTTYPE_FQDN 2 /* Fully qualified domain name. */ 679 #define SADB_IDENTTYPE_USER_FQDN 3 /* e.g. root@domain.com */ 680 #define SADB_X_IDENTTYPE_DN 4 /* ASN.1 DER Distinguished Name. */ 681 #define SADB_X_IDENTTYPE_GN 5 /* ASN.1 DER Generic Name. */ 682 #define SADB_X_IDENTTYPE_KEY_ID 6 /* Generic KEY ID. */ 683 #define SADB_X_IDENTTYPE_ADDR_RANGE 7 684 685 #define SADB_IDENTTYPE_MAX 7 686 687 /* 688 * Protection DOI values for the SENSITIVITY extension. There are no values 689 * currently, so the MAX is the only non-zero value available. 690 */ 691 692 #define SADB_DPD_NONE 0 693 694 #define SADB_DPD_MAX 1 695 696 /* 697 * Diagnostic codes. These supplement error messages. Be sure to 698 * update libipsecutil's keysock_diag() if you change any of these. 699 */ 700 701 #define SADB_X_DIAGNOSTIC_PRESET -1 /* Internal value. */ 702 703 #define SADB_X_DIAGNOSTIC_NONE 0 704 705 #define SADB_X_DIAGNOSTIC_UNKNOWN_MSG 1 706 #define SADB_X_DIAGNOSTIC_UNKNOWN_EXT 2 707 #define SADB_X_DIAGNOSTIC_BAD_EXTLEN 3 708 #define SADB_X_DIAGNOSTIC_UNKNOWN_SATYPE 4 709 #define SADB_X_DIAGNOSTIC_SATYPE_NEEDED 5 710 #define SADB_X_DIAGNOSTIC_NO_SADBS 6 711 #define SADB_X_DIAGNOSTIC_NO_EXT 7 712 /* Bad address family value */ 713 #define SADB_X_DIAGNOSTIC_BAD_SRC_AF 8 714 /* in sockaddr->sa_family. */ 715 #define SADB_X_DIAGNOSTIC_BAD_DST_AF 9 716 /* These two are synonyms. */ 717 #define SADB_X_DIAGNOSTIC_BAD_PROXY_AF 10 718 #define SADB_X_DIAGNOSTIC_BAD_INNER_SRC_AF 10 719 720 #define SADB_X_DIAGNOSTIC_AF_MISMATCH 11 721 722 #define SADB_X_DIAGNOSTIC_BAD_SRC 12 723 #define SADB_X_DIAGNOSTIC_BAD_DST 13 724 725 #define SADB_X_DIAGNOSTIC_ALLOC_HSERR 14 726 #define SADB_X_DIAGNOSTIC_BYTES_HSERR 15 727 #define SADB_X_DIAGNOSTIC_ADDTIME_HSERR 16 728 #define SADB_X_DIAGNOSTIC_USETIME_HSERR 17 729 730 #define SADB_X_DIAGNOSTIC_MISSING_SRC 18 731 #define SADB_X_DIAGNOSTIC_MISSING_DST 19 732 #define SADB_X_DIAGNOSTIC_MISSING_SA 20 733 #define SADB_X_DIAGNOSTIC_MISSING_EKEY 21 734 #define SADB_X_DIAGNOSTIC_MISSING_AKEY 22 735 #define SADB_X_DIAGNOSTIC_MISSING_RANGE 23 736 737 #define SADB_X_DIAGNOSTIC_DUPLICATE_SRC 24 738 #define SADB_X_DIAGNOSTIC_DUPLICATE_DST 25 739 #define SADB_X_DIAGNOSTIC_DUPLICATE_SA 26 740 #define SADB_X_DIAGNOSTIC_DUPLICATE_EKEY 27 741 #define SADB_X_DIAGNOSTIC_DUPLICATE_AKEY 28 742 #define SADB_X_DIAGNOSTIC_DUPLICATE_RANGE 29 743 744 #define SADB_X_DIAGNOSTIC_MALFORMED_SRC 30 745 #define SADB_X_DIAGNOSTIC_MALFORMED_DST 31 746 #define SADB_X_DIAGNOSTIC_MALFORMED_SA 32 747 #define SADB_X_DIAGNOSTIC_MALFORMED_EKEY 33 748 #define SADB_X_DIAGNOSTIC_MALFORMED_AKEY 34 749 #define SADB_X_DIAGNOSTIC_MALFORMED_RANGE 35 750 751 #define SADB_X_DIAGNOSTIC_AKEY_PRESENT 36 752 #define SADB_X_DIAGNOSTIC_EKEY_PRESENT 37 753 #define SADB_X_DIAGNOSTIC_PROP_PRESENT 38 754 #define SADB_X_DIAGNOSTIC_SUPP_PRESENT 39 755 756 #define SADB_X_DIAGNOSTIC_BAD_AALG 40 757 #define SADB_X_DIAGNOSTIC_BAD_EALG 41 758 #define SADB_X_DIAGNOSTIC_BAD_SAFLAGS 42 759 #define SADB_X_DIAGNOSTIC_BAD_SASTATE 43 760 761 #define SADB_X_DIAGNOSTIC_BAD_AKEYBITS 44 762 #define SADB_X_DIAGNOSTIC_BAD_EKEYBITS 45 763 764 #define SADB_X_DIAGNOSTIC_ENCR_NOTSUPP 46 765 766 #define SADB_X_DIAGNOSTIC_WEAK_EKEY 47 767 #define SADB_X_DIAGNOSTIC_WEAK_AKEY 48 768 769 #define SADB_X_DIAGNOSTIC_DUPLICATE_KMP 49 770 #define SADB_X_DIAGNOSTIC_DUPLICATE_KMC 50 771 772 #define SADB_X_DIAGNOSTIC_MISSING_NATT_LOC 51 773 #define SADB_X_DIAGNOSTIC_MISSING_NATT_REM 52 774 #define SADB_X_DIAGNOSTIC_DUPLICATE_NATT_LOC 53 775 #define SADB_X_DIAGNOSTIC_DUPLICATE_NATT_REM 54 776 #define SADB_X_DIAGNOSTIC_MALFORMED_NATT_LOC 55 777 #define SADB_X_DIAGNOSTIC_MALFORMED_NATT_REM 56 778 #define SADB_X_DIAGNOSTIC_DUPLICATE_NATT_PORTS 57 779 780 #define SADB_X_DIAGNOSTIC_MISSING_INNER_SRC 58 781 #define SADB_X_DIAGNOSTIC_MISSING_INNER_DST 59 782 #define SADB_X_DIAGNOSTIC_DUPLICATE_INNER_SRC 60 783 #define SADB_X_DIAGNOSTIC_DUPLICATE_INNER_DST 61 784 #define SADB_X_DIAGNOSTIC_MALFORMED_INNER_SRC 62 785 #define SADB_X_DIAGNOSTIC_MALFORMED_INNER_DST 63 786 787 #define SADB_X_DIAGNOSTIC_PREFIX_INNER_SRC 64 788 #define SADB_X_DIAGNOSTIC_PREFIX_INNER_DST 65 789 #define SADB_X_DIAGNOSTIC_BAD_INNER_DST_AF 66 790 #define SADB_X_DIAGNOSTIC_INNER_AF_MISMATCH 67 791 792 #define SADB_X_DIAGNOSTIC_BAD_NATT_REM_AF 68 793 #define SADB_X_DIAGNOSTIC_BAD_NATT_LOC_AF 69 794 795 #define SADB_X_DIAGNOSTIC_PROTO_MISMATCH 70 796 #define SADB_X_DIAGNOSTIC_INNER_PROTO_MISMATCH 71 797 798 #define SADB_X_DIAGNOSTIC_DUAL_PORT_SETS 72 799 800 #define SADB_X_DIAGNOSTIC_PAIR_INAPPROPRIATE 73 801 #define SADB_X_DIAGNOSTIC_PAIR_ADD_MISMATCH 74 802 #define SADB_X_DIAGNOSTIC_PAIR_ALREADY 75 803 #define SADB_X_DIAGNOSTIC_PAIR_SA_NOTFOUND 76 804 #define SADB_X_DIAGNOSTIC_BAD_SA_DIRECTION 77 805 806 #define SADB_X_DIAGNOSTIC_SA_NOTFOUND 78 807 #define SADB_X_DIAGNOSTIC_SA_EXPIRED 79 808 #define SADB_X_DIAGNOSTIC_BAD_CTX 80 809 #define SADB_X_DIAGNOSTIC_INVALID_REPLAY 81 810 #define SADB_X_DIAGNOSTIC_MISSING_LIFETIME 82 811 #define SADB_X_DIAGNOSTIC_MAX 82 812 813 /* Algorithm type for sadb_x_algdesc above... */ 814 815 #define SADB_X_ALGTYPE_NONE 0 816 #define SADB_X_ALGTYPE_AUTH 1 817 #define SADB_X_ALGTYPE_CRYPT 2 818 #define SADB_X_ALGTYPE_COMPRESS 3 819 820 #define SADB_X_ALGTYPE_MAX 3 821 822 /* Key management protocol for sadb_x_kmc above... */ 823 824 #define SADB_X_KMP_MANUAL 0 825 #define SADB_X_KMP_IKE 1 826 #define SADB_X_KMP_KINK 2 827 828 #define SADB_X_KMP_MAX 2 829 830 /* 831 * Handy conversion macros. Not part of the PF_KEY spec... 832 */ 833 834 #define SADB_64TO8(x) ((x) << 3) 835 #define SADB_8TO64(x) ((x) >> 3) 836 #define SADB_8TO1(x) ((x) << 3) 837 #define SADB_1TO8(x) ((x) >> 3) 838 839 #ifdef __cplusplus 840 } 841 #endif 842 843 #endif /* _NET_PFKEYV2_H */ 844