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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [net/] [bsd_tcpip/] [v2_0/] [include/] [net/] [pfkeyv2.h] - Blame information for rev 174

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//==========================================================================
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//
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//      include/net/pfkeyv2.h
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//
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//==========================================================================
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//####BSDCOPYRIGHTBEGIN####
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//
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// -------------------------------------------
9
//
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// Portions of this software may have been derived from OpenBSD, 
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// FreeBSD or other sources, and are covered by the appropriate
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// copyright disclaimers included herein.
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//
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// Portions created by Red Hat are
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// Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
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//
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// -------------------------------------------
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//
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//####BSDCOPYRIGHTEND####
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//==========================================================================
21
 
22
/*      $KAME: pfkeyv2.h,v 1.27 2001/07/31 06:41:24 itojun Exp $        */
23
 
24
/*
25
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
26
 * All rights reserved.
27
 *
28
 * Redistribution and use in source and binary forms, with or without
29
 * modification, are permitted provided that the following conditions
30
 * are met:
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.
39
 *
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
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * 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
50
 * SUCH DAMAGE.
51
 */
52
 
53
/*
54
 * This file has been derived rfc 2367,
55
 * And added some flags of SADB_KEY_FLAGS_ as SADB_X_EXT_.
56
 *      sakane@ydc.co.jp
57
 */
58
 
59
#ifndef _NET_PFKEYV2_H_
60
#define _NET_PFKEYV2_H_
61
 
62
/*
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.
67
*/
68
#ifndef __PFKEY_V2_H
69
#define __PFKEY_V2_H 1
70
 
71
#define PF_KEY_V2 2
72
#define PFKEYV2_REVISION        199806L
73
 
74
#define SADB_RESERVED    0
75
#define SADB_GETSPI      1
76
#define SADB_UPDATE      2
77
#define SADB_ADD         3
78
#define SADB_DELETE      4
79
#define SADB_GET         5
80
#define SADB_ACQUIRE     6
81
#define SADB_REGISTER    7
82
#define SADB_EXPIRE      8
83
#define SADB_FLUSH       9
84
#define SADB_DUMP        10
85
#define SADB_X_PROMISC   11
86
#define SADB_X_PCHANGE   12
87
 
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 */
98
#define SADB_MAX          22
99
 
100
struct sadb_msg {
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;
109
};
110
 
111
struct sadb_ext {
112
  u_int16_t sadb_ext_len;
113
  u_int16_t sadb_ext_type;
114
};
115
 
116
struct sadb_sa {
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;
125
};
126
 
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;
134
};
135
 
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;
142
};
143
 
144
struct sadb_key {
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;
149
};
150
 
151
struct sadb_ident {
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;
157
};
158
 
159
struct sadb_sens {
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;
168
};
169
 
170
struct sadb_prop {
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];
175
};
176
 
177
struct sadb_comb {
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;
194
};
195
 
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;
200
};
201
 
202
struct sadb_alg {
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;
208
};
209
 
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;
216
};
217
 
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;
222
};
223
 
224
/*
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.
229
 */
230
struct sadb_x_sa2 {
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;
238
};
239
 
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;
250
};
251
/*
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))
256
 */
257
 
258
/* XXX IPsec Policy Request Extension */
259
/*
260
 * This structure is aligned 8 bytes.
261
 */
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 */
270
 
271
  /*
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.
277
   */
278
};
279
 
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
301
 
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
312
 
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
318
 
319
#define SADB_SAFLAGS_PFS      1
320
 
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 */
334
 
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 */
348
 
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
355
#endif
356
 
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
363
 
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. */
367
 
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. */
371
 
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 */
377
 
378
#if 1
379
#define SADB_X_EXT_RAWCPI       0x0080  /* use well known CPI (IPComp) */
380
#endif
381
 
382
#define SADB_KEY_FLAGS_MAX      0x0fff
383
 
384
/* SPI size for PF_KEYv2 */
385
#define PFKEY_SPI_SIZE  sizeof(u_int32_t)
386
 
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
392
 
393
/* The rate for SOFT lifetime against HARD one. */
394
#define PFKEY_SOFT_LIFETIME_RATE        80
395
 
396
/* Utilities */
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)))
406
 
407
/* in 64bits */
408
#define PFKEY_UNUNIT64(a)       ((a) << 3)
409
#define PFKEY_UNIT64(a)         ((a) >> 3)
410
 
411
#endif /* __PFKEY_V2_H */
412
 
413
#endif /* _NET_PFKEYV2_H_ */

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