summaryrefslogtreecommitdiffstats
path: root/src/vnet/ipsec/ipsec.api
blob: ca310e7b590c280e74f04727435bf202b4e59277 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
/* Hey Emacs use -*- mode: C -*- */
/*
 * Copyright (c) 2015-2016 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

option version = "3.0.0";

import "vnet/ip/ip_types.api";
import "vnet/interface_types.api";

/** \brief IPsec: Add/delete Security Policy Database
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add SPD if non-zero, else delete
    @param spd_id - SPD instance id (control plane allocated)
*/

autoreply define ipsec_spd_add_del
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u32 spd_id;
};

/** \brief IPsec: Add/delete SPD from interface

    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add security mode if non-zero, else delete
    @param sw_if_index - index of the interface
    @param spd_id - SPD instance id to use for lookups
*/


autoreply define ipsec_interface_add_del_spd
{
  u32 client_index;
  u32 context;

  u8 is_add;
  u32 sw_if_index;
  u32 spd_id;
};


enum ipsec_spd_action
{
  /* bypass - no IPsec processing */
  IPSEC_API_SPD_ACTION_BYPASS = 0,
  /* discard - discard packet with ICMP processing */
  IPSEC_API_SPD_ACTION_DISCARD,
  /* resolve - send request to control plane for SA resolving */
  IPSEC_API_SPD_ACTION_RESOLVE,
  /* protect - apply IPsec policy using following parameters */
  IPSEC_API_SPD_ACTION_PROTECT,
};

/** \brief IPsec: Security Policy Database entry

    See RFC 4301, 4.4.1.1 on how to match packet to selectors

    @param spd_id - SPD instance id (control plane allocated)
    @param priority - priority of SPD entry (non-unique value).  Used to order SPD matching - higher priorities match before lower
    @param is_outbound - entry applies to outbound traffic if non-zero, otherwise applies to inbound traffic
    @param remote_address_start - start of remote address range to match
    @param remote_address_stop - end of remote address range to match
    @param local_address_start - start of local address range to match
    @param local_address_stop - end of local address range to match
    @param protocol - protocol type to match [0 means any] otherwise IANA value
    @param remote_port_start - start of remote port range to match ...
    @param remote_port_stop - end of remote port range to match [0 to 65535 means ANY, 65535 to 0 means OPAQUE]
    @param local_port_start - start of local port range to match ...
    @param local_port_stop - end of remote port range to match [0 to 65535 means ANY, 65535 to 0 means OPAQUE]
    @param policy - action to perform on match
    @param sa_id - SAD instance id (control plane allocated)
*/
typedef ipsec_spd_entry
{
  u32 spd_id;
  i32 priority;
  u8 is_outbound;

  u32 sa_id;
  vl_api_ipsec_spd_action_t policy;
  u8 protocol;

  // Selector
  vl_api_address_t remote_address_start;
  vl_api_address_t remote_address_stop;
  vl_api_address_t local_address_start;
  vl_api_address_t local_address_stop;

  u16 remote_port_start;
  u16 remote_port_stop;
  u16 local_port_start;
  u16 local_port_stop;
};

/** \brief IPsec: Add/delete Security Policy Database entry

    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add SPD if non-zero, else delete
    @param entry - Description of the entry to add/dell
*/
define ipsec_spd_entry_add_del
{
  u32 client_index;
  u32 context;
  u8 is_add;
  vl_api_ipsec_spd_entry_t entry;
};

/** \brief IPsec: Reply Add/delete Security Policy Database entry

    @param context - sender context, to match reply w/ request
    @param retval - success/fail rutrun code
    @param stat_index - An index for the policy in the stats segment @ /net/ipec/policy
*/
define ipsec_spd_entry_add_del_reply
{
  u32 context;
  i32 retval;
  u32 stat_index;
};

/** \brief Dump IPsec all SPD IDs
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define ipsec_spds_dump {
  u32 client_index;
  u32 context;
};

/** \brief Dump IPsec all SPD IDs response
    @param client_index - opaque cookie to identify the sender
    @param spd_id - SPD instance id (control plane allocated)
    @param npolicies - number of policies in SPD
*/
define ipsec_spds_details {
  u32 context;
  u32 spd_id;
  u32 npolicies;
}; 

/** \brief Dump ipsec policy database data
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param spd_id - SPD instance id
    @param sa_id - SA id, optional, set to ~0 to see all policies in SPD
*/
define ipsec_spd_dump {
    u32 client_index;
    u32 context;
    u32 spd_id;
    u32 sa_id;
};

/** \brief IPsec policy database response
    @param context - sender context which was passed in the request
    €param entry - The SPD entry.
    @param bytes - byte count of packets matching this policy
    @param packets - count of packets matching this policy
*/
define ipsec_spd_details {
    u32 context;
    vl_api_ipsec_spd_entry_t entry;
};

/*
 * @brief Support cryptographic algorithms
 */
enum ipsec_crypto_alg
{
  IPSEC_API_CRYPTO_ALG_NONE = 0,
  IPSEC_API_CRYPTO_ALG_AES_CBC_128,
  IPSEC_API_CRYPTO_ALG_AES_CBC_192,
  IPSEC_API_CRYPTO_ALG_AES_CBC_256,
  IPSEC_API_CRYPTO_ALG_AES_CTR_128,
  IPSEC_API_CRYPTO_ALG_AES_CTR_192,
  IPSEC_API_CRYPTO_ALG_AES_CTR_256,
  IPSEC_API_CRYPTO_ALG_AES_GCM_128,
  IPSEC_API_CRYPTO_ALG_AES_GCM_192,
  IPSEC_API_CRYPTO_ALG_AES_GCM_256,
  IPSEC_API_CRYPTO_ALG_DES_CBC,
  IPSEC_API_CRYPTO_ALG_3DES_CBC,
};

/*
 * @brief Supported Integrity Algorithms
 */
enum ipsec_integ_alg
{
  IPSEC_API_INTEG_ALG_NONE = 0,
  /* RFC2403 */
  IPSEC_API_INTEG_ALG_MD5_96,
  /* RFC2404 */
  IPSEC_API_INTEG_ALG_SHA1_96,
  /* draft-ietf-ipsec-ciph-sha-256-00 */
  IPSEC_API_INTEG_ALG_SHA_256_96,
  /* RFC4868 */
  IPSEC_API_INTEG_ALG_SHA_256_128,
  /* RFC4868 */
  IPSEC_API_INTEG_ALG_SHA_384_192,
  /* RFC4868 */
  IPSEC_API_INTEG_ALG_SHA_512_256,
};

enum ipsec_sad_flags
{
  IPSEC_API_SAD_FLAG_NONE = 0,
  /* Enable extended sequence numbers */
  IPSEC_API_SAD_FLAG_USE_ESN = 0x01,
  /* Enable Anti-replay */
  IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY = 0x02,
  /* IPsec tunnel mode if non-zero, else transport mode */
  IPSEC_API_SAD_FLAG_IS_TUNNEL = 0x04,
  /* IPsec tunnel mode is IPv6 if non-zero,
   *  else IPv4 tunnel only valid if is_tunnel is non-zero */
  IPSEC_API_SAD_FLAG_IS_TUNNEL_V6 = 0x08,
  /* enable UDP encapsulation for NAT traversal */
  IPSEC_API_SAD_FLAG_UDP_ENCAP = 0x10,
  /* IPsec SA is for inbound traffic */
  IPSEC_API_SAD_FLAG_IS_INBOUND = 0x40,
};

enum ipsec_proto
{
  IPSEC_API_PROTO_ESP,
  IPSEC_API_PROTO_AH,
};

typedef key
{
  /* the length of the key */
  u8 length;
  /* The data for the key */
  u8 data[128];
};

/** \brief IPsec: Security Association Database entry
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add SAD entry if non-zero, else delete
    @param sad_id - sad id
    @param spi - security parameter index
    @param protocol - 0 = AH, 1 = ESP
    @param crypto_algorithm - a supported crypto algorithm
    @param crypto_key - crypto keying material
    @param integrity_algorithm - one of the supported algorithms
    @param integrity_key - integrity keying material
    @param tunnel_src_address - IPsec tunnel source address IPv6 if is_tunnel_ipv6 is non-zero, else IPv4. Only valid if is_tunnel is non-zero
    @param tunnel_dst_address - IPsec tunnel destination address IPv6 if is_tunnel_ipv6 is non-zero, else IPv4. Only valid if is_tunnel is non-zero
    @param tx_table_id - the FIB id used for encapsulated packets
    @param salt - for use with counter mode ciphers
 */
typedef ipsec_sad_entry
{
  u32 sad_id;

  u32 spi;

  vl_api_ipsec_proto_t protocol;

  vl_api_ipsec_crypto_alg_t crypto_algorithm;
  vl_api_key_t crypto_key;

  vl_api_ipsec_integ_alg_t integrity_algorithm;
  vl_api_key_t integrity_key;

  vl_api_ipsec_sad_flags_t flags;

  vl_api_address_t tunnel_src;
  vl_api_address_t tunnel_dst;
  u32 tx_table_id;
  u32 salt;
};

/** \brief IPsec: Add/delete Security Association Database entry
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param entry - Entry to add or delete
 */
define ipsec_sad_entry_add_del
{
  u32 client_index;
  u32 context;
  u8 is_add;
  vl_api_ipsec_sad_entry_t entry;
};
define ipsec_sad_entry_add_del_reply
{
  u32 context;
  i32 retval;
  u32 stat_index;
};

/** \brief Add or Update Protection for a tunnel with IPSEC

    Tunnel protection directly associates an SA with all packets
    ingress and egress on the tunnel. This could also be achieved by
    assigning an SPD to the tunnel, but that would incur an unnessccary
    SPD entry lookup.

    For tunnels the ESP acts on the post-encapsulated packet. So if this
    packet:
      +---------+------+
      | Payload | O-IP |
      +---------+------+
    where O-IP is the overlay IP addrees that was routed into the tunnel,
    the resulting encapsulated packet will be:
      +---------+------+------+
      | Payload | O-IP | T-IP |
      +---------+------+------+
    where T-IP is the tunnel's src.dst IP addresses.
    If the SAs used for protection are in transport mode then the ESP is
    inserted before T-IP, i.e.:
      +---------+------+-----+------+
      | Payload | O-IP | ESP | T-IP |
      +---------+------+-----+------+
    If the SAs used for protection are in tunnel mode then another
    encapsulation occurs, i.e.:
      +---------+------+------+-----+------+
      | Payload | O-IP | T-IP | ESP | C-IP |
      +---------+------+------+-----+------+
    where C-IP are the crypto endpoint IP addresses defined as the tunnel
    endpoints in the SA.
    The mode for the inbound and outbound SA must be the same.

    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_id_index - Tunnel interface to protect
    @param sa_in - The ID [set] of inbound SAs
    @param sa_out - The ID of outbound SA
*/
typedef ipsec_tunnel_protect
{
  vl_api_interface_index_t sw_if_index;
  u32 sa_out;
  u8 n_sa_in;
  u32 sa_in[n_sa_in];
};

autoreply define ipsec_tunnel_protect_update
{
  u32 client_index;
  u32 context;

  vl_api_ipsec_tunnel_protect_t tunnel;
};

autoreply define ipsec_tunnel_protect_del
{
  u32 client_index;
  u32 context;

  vl_api_interface_index_t sw_if_index;
};

define ipsec_tunnel_protect_dump
{
  u32 client_index;
  u32 context;
  vl_api_interface_index_t sw_if_index;
};

define ipsec_tunnel_protect_details
{
  u32 context;
  vl_api_ipsec_tunnel_protect_t tun;
};

/** \brief IPsec: Get SPD interfaces
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param spd_index - SPD index
    @param spd_index_valid - if 1 spd_index is used to filter
      spd_index's, if 0 no filtering is done
*/
define ipsec_spd_interface_dump {
    u32 client_index;
    u32 context;
    u32 spd_index;
    u8 spd_index_valid;
};

/** \brief IPsec: SPD interface response
    @param context - sender context which was passed in the request
    @param spd_index - SPD index
    @param sw_if_index - index of the interface
*/
define ipsec_spd_interface_details {
    u32 context;
    u32 spd_index;
    u32 sw_if_index;
};

/** \brief Add or delete IPsec tunnel interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add IPsec tunnel interface if nonzero, else delete
    @param is_ip6 - tunnel v6 or v4
    @param esn - enable extended sequence numbers if nonzero, else disable
    @param anti_replay - enable anti replay check if nonzero, else disable
    @param local_ip - local IP address
    @param remote_ip - IP address of remote IPsec peer
    @param local_spi - SPI of outbound IPsec SA
    @param remote_spi - SPI of inbound IPsec SA
    @param crypto_alg - encryption algorithm ID
    @param local_crypto_key_len - length of local crypto key in bytes
    @param local_crypto_key - crypto key for outbound IPsec SA
    @param remote_crypto_key_len - length of remote crypto key in bytes
    @param remote_crypto_key - crypto key for inbound IPsec SA
    @param integ_alg - integrity algorithm ID
    @param local_integ_key_len - length of local integrity key in bytes
    @param local_integ_key - integrity key for outbound IPsec SA
    @param remote_integ_key_len - length of remote integrity key in bytes
    @param remote_integ_key - integrity key for inbound IPsec SA
    @param renumber - intf display name uses a specified instance if != 0
    @param show_instance - instance to display for intf if renumber is set
    @param udp_encap - enable UDP encapsulation for NAT traversal
    @param tx_table_id - the FIB id used after packet encap
    @param salt - for use with counter mode ciphers
*/
define ipsec_tunnel_if_add_del {
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 esn;
  u8 anti_replay;
  vl_api_address_t local_ip;
  vl_api_address_t remote_ip;
  u32 local_spi;
  u32 remote_spi;
  u8 crypto_alg;
  u8 local_crypto_key_len;
  u8 local_crypto_key[128];
  u8 remote_crypto_key_len;
  u8 remote_crypto_key[128];
  u8 integ_alg;
  u8 local_integ_key_len;
  u8 local_integ_key[128];
  u8 remote_integ_key_len;
  u8 remote_integ_key[128];
  u8 renumber;
  u32 show_instance;
  u8 udp_encap;
  u32 tx_table_id;
  u32 salt;
};

/** \brief Add/delete IPsec tunnel interface response
    @param context - sender context, to match reply w/ request
    @param retval - return status
    @param sw_if_index - sw_if_index of new interface (for successful add)
*/
define ipsec_tunnel_if_add_del_reply {
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

/** \brief Dump IPsec security association
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sa_id - optional ID of an SA to dump, if ~0 dump all SAs in SAD
*/
define ipsec_sa_dump {
  u32 client_index;
  u32 context;
  u32 sa_id;
};

/** \brief IPsec security association database response
    @param context - sender context which was passed in the request
    @param sa_id - SA ID, policy-based SAs >=0, tunnel interface SAs = 0 
    @param sw_if_index - sw_if_index of tunnel interface, policy-based SAs = ~0
    @param spi - security parameter index
    @param protocol - IPsec protocol (value from ipsec_protocol_t)
    @param crypto_alg - crypto algorithm (value from ipsec_crypto_alg_t)
    @param crypto_key_len - length of crypto_key in bytes
    @param crypto_key - crypto keying material
    @param integ_alg - integrity algorithm (value from ipsec_integ_alg_t)
    @param integ_key_len - length of integ_key in bytes
    @param integ_key - integrity keying material
    @param use_esn - using extended sequence numbers when non-zero
    @param use_anti_replay - using anti-replay window when non-zero
    @param is_tunnel - IPsec tunnel mode when non-zero, else transport mode
    @param is_tunnel_ipv6 - If using tunnel mode, endpoints are IPv6
    @param tunnel_src_addr - Tunnel source address if using tunnel mode
    @param tunnel_dst_addr - Tunnel destination address is using tunnel mode
    @param salt - 4 byte salt 
    @param seq - current sequence number for outbound
    @param seq_hi - high 32 bits of ESN for outbound 
    @param last_seq - highest sequence number received inbound
    @param last_seq_hi - high 32 bits of highest ESN received inbound
    @param replay_window - bit map of seq nums received relative to last_seq if using anti-replay
    @param total_data_size - total bytes sent or received
    @param udp_encap - 1 if UDP encap enabled, 0 otherwise
*/
define ipsec_sa_details {
  u32 context;
  vl_api_ipsec_sad_entry_t entry;

  u32 sw_if_index;
  u32 salt;
  u64 seq_outbound;
  u64 last_seq_inbound;
  u64 replay_window;

  u64 total_data_size;
};

/** \brief Set new SA on IPsec interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - index of tunnel interface
    @param sa_id - ID of SA to use
    @param is_outbound - 1 if outbound (local) SA, 0 if inbound (remote)
*/
autoreply define ipsec_tunnel_if_set_sa {
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 sa_id;
  u8 is_outbound;
};

/** \brief Dump IPsec backends
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define ipsec_backend_dump {
  u32 client_index;
  u32 context;
};

/** \brief IPsec backend details
    @param name - name of the backend
    @param protocol - IPsec protocol (value from ipsec_protocol_t)
    @param index - backend index
    @param active - set to 1 if the backend is active, otherwise 0
*/
define ipsec_backend_details {
  u32 context;
  u8 name[128];
  vl_api_ipsec_proto_t protocol;
  u8 index;
  u8 active;
};

/** \brief Select IPsec backend
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param protocol - IPsec protocol (value from ipsec_protocol_t)
    @param index - backend index
*/
autoreply define ipsec_select_backend {
  u32 client_index;
  u32 context;
  vl_api_ipsec_proto_t protocol;
  u8 index;
};

/*
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */