1 //==========================================================================
3 // include/net/pfkeyv2.h
5 //==========================================================================
6 //####BSDCOPYRIGHTBEGIN####
8 // -------------------------------------------
10 // Portions of this software may have been derived from OpenBSD,
11 // FreeBSD or other sources, and are covered by the appropriate
12 // copyright disclaimers included herein.
14 // Portions created by Red Hat are
15 // Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
17 // -------------------------------------------
19 //####BSDCOPYRIGHTEND####
20 //==========================================================================
22 /* $KAME: pfkeyv2.h,v 1.27 2001/07/31 06:41:24 itojun Exp $ */
25 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
26 * All rights reserved.
28 * Redistribution and use in source and binary forms, with or without
29 * modification, are permitted provided that the following conditions
31 * 1. Redistributions of source code must retain the above copyright
32 * notice, this list of conditions and the following disclaimer.
33 * 2. Redistributions in binary form must reproduce the above copyright
34 * notice, this list of conditions and the following disclaimer in the
35 * documentation and/or other materials provided with the distribution.
36 * 3. Neither the name of the project nor the names of its contributors
37 * may be used to endorse or promote products derived from this software
38 * without specific prior written permission.
40 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54 * This file has been derived rfc 2367,
55 * And added some flags of SADB_KEY_FLAGS_ as SADB_X_EXT_.
59 #ifndef _NET_PFKEYV2_H_
60 #define _NET_PFKEYV2_H_
63 This file defines structures and symbols for the PF_KEY Version 2
64 key management interface. It was written at the U.S. Naval Research
65 Laboratory. This file is in the public domain. The authors ask that
66 you leave this credit intact on any copies of this file.
69 #define __PFKEY_V2_H 1
72 #define PFKEYV2_REVISION 199806L
74 #define SADB_RESERVED 0
80 #define SADB_ACQUIRE 6
81 #define SADB_REGISTER 7
85 #define SADB_X_PROMISC 11
86 #define SADB_X_PCHANGE 12
88 #define SADB_X_SPDUPDATE 13
89 #define SADB_X_SPDADD 14
90 #define SADB_X_SPDDELETE 15 /* by policy index */
91 #define SADB_X_SPDGET 16
92 #define SADB_X_SPDACQUIRE 17
93 #define SADB_X_SPDDUMP 18
94 #define SADB_X_SPDFLUSH 19
95 #define SADB_X_SPDSETIDX 20
96 #define SADB_X_SPDEXPIRE 21
97 #define SADB_X_SPDDELETE2 22 /* by policy id */
101 u_int8_t sadb_msg_version;
102 u_int8_t sadb_msg_type;
103 u_int8_t sadb_msg_errno;
104 u_int8_t sadb_msg_satype;
105 u_int16_t sadb_msg_len;
106 u_int16_t sadb_msg_reserved;
107 u_int32_t sadb_msg_seq;
108 u_int32_t sadb_msg_pid;
112 u_int16_t sadb_ext_len;
113 u_int16_t sadb_ext_type;
117 u_int16_t sadb_sa_len;
118 u_int16_t sadb_sa_exttype;
119 u_int32_t sadb_sa_spi;
120 u_int8_t sadb_sa_replay;
121 u_int8_t sadb_sa_state;
122 u_int8_t sadb_sa_auth;
123 u_int8_t sadb_sa_encrypt;
124 u_int32_t sadb_sa_flags;
127 struct sadb_lifetime {
128 u_int16_t sadb_lifetime_len;
129 u_int16_t sadb_lifetime_exttype;
130 u_int32_t sadb_lifetime_allocations;
131 u_int64_t sadb_lifetime_bytes;
132 u_int64_t sadb_lifetime_addtime;
133 u_int64_t sadb_lifetime_usetime;
136 struct sadb_address {
137 u_int16_t sadb_address_len;
138 u_int16_t sadb_address_exttype;
139 u_int8_t sadb_address_proto;
140 u_int8_t sadb_address_prefixlen;
141 u_int16_t sadb_address_reserved;
145 u_int16_t sadb_key_len;
146 u_int16_t sadb_key_exttype;
147 u_int16_t sadb_key_bits;
148 u_int16_t sadb_key_reserved;
152 u_int16_t sadb_ident_len;
153 u_int16_t sadb_ident_exttype;
154 u_int16_t sadb_ident_type;
155 u_int16_t sadb_ident_reserved;
156 u_int64_t sadb_ident_id;
160 u_int16_t sadb_sens_len;
161 u_int16_t sadb_sens_exttype;
162 u_int32_t sadb_sens_dpd;
163 u_int8_t sadb_sens_sens_level;
164 u_int8_t sadb_sens_sens_len;
165 u_int8_t sadb_sens_integ_level;
166 u_int8_t sadb_sens_integ_len;
167 u_int32_t sadb_sens_reserved;
171 u_int16_t sadb_prop_len;
172 u_int16_t sadb_prop_exttype;
173 u_int8_t sadb_prop_replay;
174 u_int8_t sadb_prop_reserved[3];
178 u_int8_t sadb_comb_auth;
179 u_int8_t sadb_comb_encrypt;
180 u_int16_t sadb_comb_flags;
181 u_int16_t sadb_comb_auth_minbits;
182 u_int16_t sadb_comb_auth_maxbits;
183 u_int16_t sadb_comb_encrypt_minbits;
184 u_int16_t sadb_comb_encrypt_maxbits;
185 u_int32_t sadb_comb_reserved;
186 u_int32_t sadb_comb_soft_allocations;
187 u_int32_t sadb_comb_hard_allocations;
188 u_int64_t sadb_comb_soft_bytes;
189 u_int64_t sadb_comb_hard_bytes;
190 u_int64_t sadb_comb_soft_addtime;
191 u_int64_t sadb_comb_hard_addtime;
192 u_int64_t sadb_comb_soft_usetime;
193 u_int64_t sadb_comb_hard_usetime;
196 struct sadb_supported {
197 u_int16_t sadb_supported_len;
198 u_int16_t sadb_supported_exttype;
199 u_int32_t sadb_supported_reserved;
203 u_int8_t sadb_alg_id;
204 u_int8_t sadb_alg_ivlen;
205 u_int16_t sadb_alg_minbits;
206 u_int16_t sadb_alg_maxbits;
207 u_int16_t sadb_alg_reserved;
210 struct sadb_spirange {
211 u_int16_t sadb_spirange_len;
212 u_int16_t sadb_spirange_exttype;
213 u_int32_t sadb_spirange_min;
214 u_int32_t sadb_spirange_max;
215 u_int32_t sadb_spirange_reserved;
218 struct sadb_x_kmprivate {
219 u_int16_t sadb_x_kmprivate_len;
220 u_int16_t sadb_x_kmprivate_exttype;
221 u_int32_t sadb_x_kmprivate_reserved;
225 * XXX Additional SA Extension.
226 * mode: tunnel or transport
227 * reqid: to make SA unique nevertheless the address pair of SA are same.
228 * Mainly it's for VPN.
231 u_int16_t sadb_x_sa2_len;
232 u_int16_t sadb_x_sa2_exttype;
233 u_int8_t sadb_x_sa2_mode;
234 u_int8_t sadb_x_sa2_reserved1;
235 u_int16_t sadb_x_sa2_reserved2;
236 u_int32_t sadb_x_sa2_sequence;
237 u_int32_t sadb_x_sa2_reqid;
240 /* XXX Policy Extension */
241 /* sizeof(struct sadb_x_policy) == 16 */
242 struct sadb_x_policy {
243 u_int16_t sadb_x_policy_len;
244 u_int16_t sadb_x_policy_exttype;
245 u_int16_t sadb_x_policy_type; /* See policy type of ipsec.h */
246 u_int8_t sadb_x_policy_dir; /* direction, see ipsec.h */
247 u_int8_t sadb_x_policy_reserved;
248 u_int32_t sadb_x_policy_id;
249 u_int32_t sadb_x_policy_reserved2;
252 * When policy_type == IPSEC, it is followed by some of
253 * the ipsec policy request.
254 * [total length of ipsec policy requests]
255 * = (sadb_x_policy_len * sizeof(uint64_t) - sizeof(struct sadb_x_policy))
258 /* XXX IPsec Policy Request Extension */
260 * This structure is aligned 8 bytes.
262 struct sadb_x_ipsecrequest {
263 u_int16_t sadb_x_ipsecrequest_len; /* structure length aligned to 8 bytes.
264 * This value is true length of bytes.
265 * Not in units of 64 bits. */
266 u_int16_t sadb_x_ipsecrequest_proto; /* See ipsec.h */
267 u_int8_t sadb_x_ipsecrequest_mode; /* See IPSEC_MODE_XX in ipsec.h. */
268 u_int8_t sadb_x_ipsecrequest_level; /* See IPSEC_LEVEL_XX in ipsec.h */
269 u_int16_t sadb_x_ipsecrequest_reqid; /* See ipsec.h */
272 * followed by source IP address of SA, and immediately followed by
273 * destination IP address of SA. These encoded into two of sockaddr
274 * structure without any padding. Must set each sa_len exactly.
275 * Each of length of the sockaddr structure are not aligned to 64bits,
276 * but sum of x_request and addresses is aligned to 64bits.
280 #define SADB_EXT_RESERVED 0
281 #define SADB_EXT_SA 1
282 #define SADB_EXT_LIFETIME_CURRENT 2
283 #define SADB_EXT_LIFETIME_HARD 3
284 #define SADB_EXT_LIFETIME_SOFT 4
285 #define SADB_EXT_ADDRESS_SRC 5
286 #define SADB_EXT_ADDRESS_DST 6
287 #define SADB_EXT_ADDRESS_PROXY 7
288 #define SADB_EXT_KEY_AUTH 8
289 #define SADB_EXT_KEY_ENCRYPT 9
290 #define SADB_EXT_IDENTITY_SRC 10
291 #define SADB_EXT_IDENTITY_DST 11
292 #define SADB_EXT_SENSITIVITY 12
293 #define SADB_EXT_PROPOSAL 13
294 #define SADB_EXT_SUPPORTED_AUTH 14
295 #define SADB_EXT_SUPPORTED_ENCRYPT 15
296 #define SADB_EXT_SPIRANGE 16
297 #define SADB_X_EXT_KMPRIVATE 17
298 #define SADB_X_EXT_POLICY 18
299 #define SADB_X_EXT_SA2 19
300 #define SADB_EXT_MAX 19
302 #define SADB_SATYPE_UNSPEC 0
303 #define SADB_SATYPE_AH 2
304 #define SADB_SATYPE_ESP 3
305 #define SADB_SATYPE_RSVP 5
306 #define SADB_SATYPE_OSPFV2 6
307 #define SADB_SATYPE_RIPV2 7
308 #define SADB_SATYPE_MIP 8
309 #define SADB_X_SATYPE_IPCOMP 9
310 /*#define SADB_X_SATYPE_POLICY 10 obsolete, do not reuse */
311 #define SADB_SATYPE_MAX 11
313 #define SADB_SASTATE_LARVAL 0
314 #define SADB_SASTATE_MATURE 1
315 #define SADB_SASTATE_DYING 2
316 #define SADB_SASTATE_DEAD 3
317 #define SADB_SASTATE_MAX 3
319 #define SADB_SAFLAGS_PFS 1
321 /* RFC2367 numbers - meets RFC2407 */
322 #define SADB_AALG_NONE 0
323 #define SADB_AALG_MD5HMAC 2
324 #define SADB_AALG_SHA1HMAC 3
325 #define SADB_AALG_MAX 251
326 /* private allocations - based on RFC2407/IANA assignment */
327 #define SADB_X_AALG_SHA2_256 5
328 #define SADB_X_AALG_SHA2_384 6
329 #define SADB_X_AALG_SHA2_512 7
330 /* private allocations should use 249-255 (RFC2407) */
331 #define SADB_X_AALG_MD5 249 /* Keyed MD5 */
332 #define SADB_X_AALG_SHA 250 /* Keyed SHA */
333 #define SADB_X_AALG_NULL 251 /* null authentication */
335 /* RFC2367 numbers - meets RFC2407 */
336 #define SADB_EALG_NONE 0
337 #define SADB_EALG_DESCBC 2
338 #define SADB_EALG_3DESCBC 3
339 #define SADB_EALG_NULL 11
340 #define SADB_EALG_MAX 253
341 /* private allocations - based on RFC2407/IANA assignment */
342 #define SADB_X_EALG_CAST128CBC 6
343 #define SADB_X_EALG_BLOWFISHCBC 7
344 #define SADB_X_EALG_RIJNDAELCBC 12
345 #define SADB_X_EALG_AES 12
346 /* private allocations should use 249-255 (RFC2407) */
347 #define SADB_X_EALG_TWOFISHCBC 253 /* draft-ietf-ipsec-ciph-aes-cbc-00 */
349 #if 1 /*nonstandard */
350 #define SADB_X_CALG_NONE 0
351 #define SADB_X_CALG_OUI 1
352 #define SADB_X_CALG_DEFLATE 2
353 #define SADB_X_CALG_LZS 3
354 #define SADB_X_CALG_MAX 4
357 #define SADB_IDENTTYPE_RESERVED 0
358 #define SADB_IDENTTYPE_PREFIX 1
359 #define SADB_IDENTTYPE_FQDN 2
360 #define SADB_IDENTTYPE_USERFQDN 3
361 #define SADB_X_IDENTTYPE_ADDR 4
362 #define SADB_IDENTTYPE_MAX 4
364 /* `flags' in sadb_sa structure holds followings */
365 #define SADB_X_EXT_NONE 0x0000 /* i.e. new format. */
366 #define SADB_X_EXT_OLD 0x0001 /* old format. */
368 #define SADB_X_EXT_IV4B 0x0010 /* IV length of 4 bytes in use */
369 #define SADB_X_EXT_DERIV 0x0020 /* DES derived */
370 #define SADB_X_EXT_CYCSEQ 0x0040 /* allowing to cyclic sequence. */
372 /* three of followings are exclusive flags each them */
373 #define SADB_X_EXT_PSEQ 0x0000 /* sequencial padding for ESP */
374 #define SADB_X_EXT_PRAND 0x0100 /* random padding for ESP */
375 #define SADB_X_EXT_PZERO 0x0200 /* zero padding for ESP */
376 #define SADB_X_EXT_PMASK 0x0300 /* mask for padding flag */
379 #define SADB_X_EXT_RAWCPI 0x0080 /* use well known CPI (IPComp) */
382 #define SADB_KEY_FLAGS_MAX 0x0fff
384 /* SPI size for PF_KEYv2 */
385 #define PFKEY_SPI_SIZE sizeof(u_int32_t)
387 /* Identifier for menber of lifetime structure */
388 #define SADB_X_LIFETIME_ALLOCATIONS 0
389 #define SADB_X_LIFETIME_BYTES 1
390 #define SADB_X_LIFETIME_ADDTIME 2
391 #define SADB_X_LIFETIME_USETIME 3
393 /* The rate for SOFT lifetime against HARD one. */
394 #define PFKEY_SOFT_LIFETIME_RATE 80
397 #define PFKEY_ALIGN8(a) (1 + (((a) - 1) | (8 - 1)))
398 #define PFKEY_EXTLEN(msg) \
399 PFKEY_UNUNIT64(((struct sadb_ext *)(msg))->sadb_ext_len)
400 #define PFKEY_ADDR_PREFIX(ext) \
401 (((struct sadb_address *)(ext))->sadb_address_prefixlen)
402 #define PFKEY_ADDR_PROTO(ext) \
403 (((struct sadb_address *)(ext))->sadb_address_proto)
404 #define PFKEY_ADDR_SADDR(ext) \
405 ((struct sockaddr *)((caddr_t)(ext) + sizeof(struct sadb_address)))
408 #define PFKEY_UNUNIT64(a) ((a) << 3)
409 #define PFKEY_UNIT64(a) ((a) >> 3)
411 #endif /* __PFKEY_V2_H */
413 #endif /* _NET_PFKEYV2_H_ */