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source: rtems-libbsd/freebsd/contrib/tcpdump/isakmp.h @ 084d4db

4.11

Last change on this file since 084d4db was 8440506, checked in by Chris Johns <chrisj@…>, on 06/15/15 at 07:42:23

Add tcpdump and libpcap.

Update the file builder generator to handle generator specific cflags and includes. The tcpdump and libpcap have localised headers and need specific headers paths to see them. There are also module specific flags and these need to be passed to the lex and yacc generators.

Add the tcpdump support.

Property mode set to 100644

File size: 16.3 KB

Line
1	/*
2	* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
3	* All rights reserved.
4	*
5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions
7	* are met:
8	* 1. Redistributions of source code must retain the above copyright
9	* notice, this list of conditions and the following disclaimer.
10	* 2. Redistributions in binary form must reproduce the above copyright
11	* notice, this list of conditions and the following disclaimer in the
12	* documentation and/or other materials provided with the distribution.
13	* 3. Neither the name of the project nor the names of its contributors
14	* may be used to endorse or promote products derived from this software
15	* without specific prior written permission.
16	*
17	* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20	* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27	* SUCH DAMAGE.
28	*/
29	/* YIPS @(#)$Id: isakmp.h,v 1.12 2007-11-24 18:13:33 mcr Exp $ */
30
31	/* refer to RFC 2408 */
32
33	/* must include <netinet/in.h> */
34
35	#if !defined(_ISAKMP_H_)
36	#define _ISAKMP_H_
37
38	typedef u_char cookie_t[8];
39	typedef u_char msgid_t[4];
40
41	typedef struct { /* i_cookie + r_cookie */
42	cookie_t i_ck;
43	cookie_t r_ck;
44	} isakmp_index;
45
46	#define INITIATOR 1
47	#define RESPONDER 2
48
49	#define PORT_ISAKMP 500
50
51	#define GENERATE 1
52	#define VALIDATE 0
53
54	/* Phase of oakley definition */
55	/*
56	0000 0000 0000 0000
57	\| \|\|\|\| \|\|\|\|
58	\| \|\|\|\| ++++--> negosiation number in phase
59	\| ++++-------> phase number
60	+---------------> expire ?
61	*/
62	#define ISAKMP_PH1 0x0010
63	#define ISAKMP_PH2 0x0020
64	#define ISAKMP_EXPIRED 0x0100
65
66	#define ISAKMP_NGP_0 0x0000
67	#define ISAKMP_NGP_1 0x0001
68	#define ISAKMP_NGP_2 0x0002
69	#define ISAKMP_NGP_3 0x0003
70	#define ISAKMP_NGP_4 0x0004
71
72	#define ISAKMP_PH1_N (ISAKMP_PH1 \| ISAKMP_NGP_0) /* i.e. spawn */
73	#define ISAKMP_PH1_1 (ISAKMP_PH1 \| ISAKMP_NGP_1)
74	#define ISAKMP_PH1_2 (ISAKMP_PH1 \| ISAKMP_NGP_2)
75	#define ISAKMP_PH1_3 (ISAKMP_PH1 \| ISAKMP_NGP_3)
76	#define ISAKMP_PH2_N (ISAKMP_PH2 \| ISAKMP_NGP_0)
77	#define ISAKMP_PH2_1 (ISAKMP_PH2 \| ISAKMP_NGP_1)
78	#define ISAKMP_PH2_2 (ISAKMP_PH2 \| ISAKMP_NGP_2)
79	#define ISAKMP_PH2_3 (ISAKMP_PH2 \| ISAKMP_NGP_3)
80
81	#define ISAKMP_TIMER_DEFAULT 10 /* seconds */
82	#define ISAKMP_TRY_DEFAULT 3 /* times */
83
84	/* 3.1 ISAKMP Header Format (IKEv1 and IKEv2)
85	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
86	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
87	! Initiator !
88	! Cookie !
89	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
90	! Responder !
91	! Cookie !
92	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
93	! Next Payload ! MjVer ! MnVer ! Exchange Type ! Flags !
94	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
95	! Message ID !
96	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
97	! Length !
98	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
99	*/
100	struct isakmp {
101	cookie_t i_ck; /* Initiator Cookie */
102	cookie_t r_ck; /* Responder Cookie */
103	u_int8_t np; /* Next Payload Type */
104	u_int8_t vers;
105	#define ISAKMP_VERS_MAJOR 0xf0
106	#define ISAKMP_VERS_MAJOR_SHIFT 4
107	#define ISAKMP_VERS_MINOR 0x0f
108	#define ISAKMP_VERS_MINOR_SHIFT 0
109	u_int8_t etype; /* Exchange Type */
110	u_int8_t flags; /* Flags */
111	msgid_t msgid;
112	u_int32_t len; /* Length */
113	};
114
115	/* Next Payload Type */
116	#define ISAKMP_NPTYPE_NONE 0 /* NONE*/
117	#define ISAKMP_NPTYPE_SA 1 /* Security Association */
118	#define ISAKMP_NPTYPE_P 2 /* Proposal */
119	#define ISAKMP_NPTYPE_T 3 /* Transform */
120	#define ISAKMP_NPTYPE_KE 4 /* Key Exchange */
121	#define ISAKMP_NPTYPE_ID 5 /* Identification */
122	#define ISAKMP_NPTYPE_CERT 6 /* Certificate */
123	#define ISAKMP_NPTYPE_CR 7 /* Certificate Request */
124	#define ISAKMP_NPTYPE_HASH 8 /* Hash */
125	#define ISAKMP_NPTYPE_SIG 9 /* Signature */
126	#define ISAKMP_NPTYPE_NONCE 10 /* Nonce */
127	#define ISAKMP_NPTYPE_N 11 /* Notification */
128	#define ISAKMP_NPTYPE_D 12 /* Delete */
129	#define ISAKMP_NPTYPE_VID 13 /* Vendor ID */
130	#define ISAKMP_NPTYPE_v2E 46 /* v2 Encrypted payload */
131
132	#define IKEv1_MAJOR_VERSION 1
133	#define IKEv1_MINOR_VERSION 0
134
135	#define IKEv2_MAJOR_VERSION 2
136	#define IKEv2_MINOR_VERSION 0
137
138	/* Exchange Type */
139	#define ISAKMP_ETYPE_NONE 0 /* NONE */
140	#define ISAKMP_ETYPE_BASE 1 /* Base */
141	#define ISAKMP_ETYPE_IDENT 2 /* Identity Proteciton */
142	#define ISAKMP_ETYPE_AUTH 3 /* Authentication Only */
143	#define ISAKMP_ETYPE_AGG 4 /* Aggressive */
144	#define ISAKMP_ETYPE_INF 5 /* Informational */
145
146	/* Flags */
147	#define ISAKMP_FLAG_E 0x01 /* Encryption Bit */
148	#define ISAKMP_FLAG_C 0x02 /* Commit Bit */
149	#define ISAKMP_FLAG_extra 0x04
150
151	/* IKEv2 */
152	#define ISAKMP_FLAG_I (1 << 3) /* (I)nitiator */
153	#define ISAKMP_FLAG_V (1 << 4) /* (V)ersion */
154	#define ISAKMP_FLAG_R (1 << 5) /* (R)esponse */
155
156
157	/* 3.2 Payload Generic Header
158	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
159	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
160	! Next Payload ! RESERVED ! Payload Length !
161	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
162	*/
163	struct isakmp_gen {
164	u_int8_t np; /* Next Payload */
165	u_int8_t critical; /* bit 7 - critical, rest is RESERVED */
166	u_int16_t len; /* Payload Length */
167	};
168
169	/* 3.3 Data Attributes
170	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
171	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
172	!A! Attribute Type ! AF=0 Attribute Length !
173	!F! ! AF=1 Attribute Value !
174	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
175	. AF=0 Attribute Value .
176	. AF=1 Not Transmitted .
177	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
178	*/
179	struct isakmp_data {
180	u_int16_t type; /* defined by DOI-spec, and Attribute Format */
181	u_int16_t lorv; /* if f equal 1, Attribute Length */
182	/* if f equal 0, Attribute Value */
183	/* if f equal 1, Attribute Value */
184	};
185	#define ISAKMP_GEN_TLV 0x0000
186	#define ISAKMP_GEN_TV 0x8000
187	/* mask for type of attribute format */
188	#define ISAKMP_GEN_MASK 0x8000
189
190	/* 3.4 Security Association Payload */
191	/* MAY NOT be used, because of being defined in ipsec-doi. */
192	/*
193	If the current payload is the last in the message,
194	then the value of the next payload field will be 0.
195	This field MUST NOT contain the
196	values for the Proposal or Transform payloads as they are considered
197	part of the security association negotiation. For example, this
198	field would contain the value "10" (Nonce payload) in the first
199	message of a Base Exchange (see Section 4.4) and the value "0" in the
200	first message of an Identity Protect Exchange (see Section 4.5).
201	*/
202	struct ikev1_pl_sa {
203	struct isakmp_gen h;
204	u_int32_t doi; /* Domain of Interpretation */
205	u_int32_t sit; /* Situation */
206	};
207
208	/* 3.5 Proposal Payload */
209	/*
210	The value of the next payload field MUST only contain the value "2"
211	or "0". If there are additional Proposal payloads in the message,
212	then this field will be 2. If the current Proposal payload is the
213	last within the security association proposal, then this field will
214	be 0.
215	*/
216	struct ikev1_pl_p {
217	struct isakmp_gen h;
218	u_int8_t p_no; /* Proposal # */
219	u_int8_t prot_id; /* Protocol */
220	u_int8_t spi_size; /* SPI Size */
221	u_int8_t num_t; /* Number of Transforms */
222	/* SPI */
223	};
224
225	/* 3.6 Transform Payload */
226	/*
227	The value of the next payload field MUST only contain the value "3"
228	or "0". If there are additional Transform payloads in the proposal,
229	then this field will be 3. If the current Transform payload is the
230	last within the proposal, then this field will be 0.
231	*/
232	struct ikev1_pl_t {
233	struct isakmp_gen h;
234	u_int8_t t_no; /* Transform # */
235	u_int8_t t_id; /* Transform-Id */
236	u_int16_t reserved; /* RESERVED2 */
237	/* SA Attributes */
238	};
239
240	/* 3.7 Key Exchange Payload */
241	struct ikev1_pl_ke {
242	struct isakmp_gen h;
243	/* Key Exchange Data */
244	};
245
246	/* 3.8 Identification Payload */
247	/* MUST NOT to be used, because of being defined in ipsec-doi. */
248	struct ikev1_pl_id {
249	struct isakmp_gen h;
250	union {
251	u_int8_t id_type; /* ID Type */
252	u_int32_t doi_data; /* DOI Specific ID Data */
253	} d;
254	/* Identification Data */
255	};
256
257	/* 3.9 Certificate Payload */
258	struct ikev1_pl_cert {
259	struct isakmp_gen h;
260	u_int8_t encode; /* Cert Encoding */
261	char cert; /* Certificate Data */
262	/*
263	This field indicates the type of
264	certificate or certificate-related information contained in the
265	Certificate Data field.
266	*/
267	};
268
269	/* Certificate Type */
270	#define ISAKMP_CERT_NONE 0
271	#define ISAKMP_CERT_PKCS 1
272	#define ISAKMP_CERT_PGP 2
273	#define ISAKMP_CERT_DNS 3
274	#define ISAKMP_CERT_SIGN 4
275	#define ISAKMP_CERT_KE 5
276	#define ISAKMP_CERT_KT 6
277	#define ISAKMP_CERT_CRL 7
278	#define ISAKMP_CERT_ARL 8
279	#define ISAKMP_CERT_SPKI 9
280
281	/* 3.10 Certificate Request Payload */
282	struct ikev1_pl_cr {
283	struct isakmp_gen h;
284	u_int8_t num_cert; /* # Cert. Types */
285	/*
286	Certificate Types (variable length)
287	-- Contains a list of the types of certificates requested,
288	sorted in order of preference. Each individual certificate
289	type is 1 octet. This field is NOT requiredo
290	*/
291	/* # Certificate Authorities (1 octet) */
292	/* Certificate Authorities (variable length) */
293	};
294
295	/* 3.11 Hash Payload */
296	/* may not be used, because of having only data. */
297	struct ikev1_pl_hash {
298	struct isakmp_gen h;
299	/* Hash Data */
300	};
301
302	/* 3.12 Signature Payload */
303	/* may not be used, because of having only data. */
304	struct ikev1_pl_sig {
305	struct isakmp_gen h;
306	/* Signature Data */
307	};
308
309	/* 3.13 Nonce Payload */
310	/* may not be used, because of having only data. */
311	struct ikev1_pl_nonce {
312	struct isakmp_gen h;
313	/* Nonce Data */
314	};
315
316	/* 3.14 Notification Payload */
317	struct ikev1_pl_n {
318	struct isakmp_gen h;
319	u_int32_t doi; /* Domain of Interpretation */
320	u_int8_t prot_id; /* Protocol-ID */
321	u_int8_t spi_size; /* SPI Size */
322	u_int16_t type; /* Notify Message Type */
323	/* SPI */
324	/* Notification Data */
325	};
326
327	/* 3.14.1 Notify Message Types */
328	/* NOTIFY MESSAGES - ERROR TYPES */
329	#define ISAKMP_NTYPE_INVALID_PAYLOAD_TYPE 1
330	#define ISAKMP_NTYPE_DOI_NOT_SUPPORTED 2
331	#define ISAKMP_NTYPE_SITUATION_NOT_SUPPORTED 3
332	#define ISAKMP_NTYPE_INVALID_COOKIE 4
333	#define ISAKMP_NTYPE_INVALID_MAJOR_VERSION 5
334	#define ISAKMP_NTYPE_INVALID_MINOR_VERSION 6
335	#define ISAKMP_NTYPE_INVALID_EXCHANGE_TYPE 7
336	#define ISAKMP_NTYPE_INVALID_FLAGS 8
337	#define ISAKMP_NTYPE_INVALID_MESSAGE_ID 9
338	#define ISAKMP_NTYPE_INVALID_PROTOCOL_ID 10
339	#define ISAKMP_NTYPE_INVALID_SPI 11
340	#define ISAKMP_NTYPE_INVALID_TRANSFORM_ID 12
341	#define ISAKMP_NTYPE_ATTRIBUTES_NOT_SUPPORTED 13
342	#define ISAKMP_NTYPE_NO_PROPOSAL_CHOSEN 14
343	#define ISAKMP_NTYPE_BAD_PROPOSAL_SYNTAX 15
344	#define ISAKMP_NTYPE_PAYLOAD_MALFORMED 16
345	#define ISAKMP_NTYPE_INVALID_KEY_INFORMATION 17
346	#define ISAKMP_NTYPE_INVALID_ID_INFORMATION 18
347	#define ISAKMP_NTYPE_INVALID_CERT_ENCODING 19
348	#define ISAKMP_NTYPE_INVALID_CERTIFICATE 20
349	#define ISAKMP_NTYPE_BAD_CERT_REQUEST_SYNTAX 21
350	#define ISAKMP_NTYPE_INVALID_CERT_AUTHORITY 22
351	#define ISAKMP_NTYPE_INVALID_HASH_INFORMATION 23
352	#define ISAKMP_NTYPE_AUTHENTICATION_FAILED 24
353	#define ISAKMP_NTYPE_INVALID_SIGNATURE 25
354	#define ISAKMP_NTYPE_ADDRESS_NOTIFICATION 26
355	/* NOTIFY MESSAGES - STATUS TYPES */
356	#define ISAKMP_NTYPE_CONNECTED 16384
357	/* using only to log */
358	#define ISAKMP_LOG_RETRY_LIMIT_REACHED 65530
359
360	/* 3.15 Delete Payload */
361	struct ikev1_pl_d {
362	struct isakmp_gen h;
363	u_int32_t doi; /* Domain of Interpretation */
364	u_int8_t prot_id; /* Protocol-Id */
365	u_int8_t spi_size; /* SPI Size */
366	u_int16_t num_spi; /* # of SPIs */
367	/* SPI(es) */
368	};
369
370
371	struct ikev1_ph1tab {
372	struct ikev1_ph1 *head;
373	struct ikev1_ph1 *tail;
374	int len;
375	};
376
377	struct isakmp_ph2tab {
378	struct ikev1_ph2 *head;
379	struct ikev1_ph2 *tail;
380	int len;
381	};
382
383	#define EXCHANGE_PROXY 1
384	#define EXCHANGE_MYSELF 0
385
386	#define PFS_NEED 1
387	#define PFS_NONEED 0
388
389	/* IKEv2 (RFC4306) */
390
391	/* 3.3 Security Association Payload -- generic header */
392	/* 3.3.1. Proposal Substructure */
393	struct ikev2_p {
394	struct isakmp_gen h;
395	u_int8_t p_no; /* Proposal # */
396	u_int8_t prot_id; /* Protocol */
397	u_int8_t spi_size; /* SPI Size */
398	u_int8_t num_t; /* Number of Transforms */
399	};
400
401	/* 3.3.2. Transform Substructure */
402	struct ikev2_t {
403	struct isakmp_gen h;
404	u_int8_t t_type; /* Transform Type (ENCR,PRF,INTEG,etc.*/
405	u_int8_t res2; /* reserved byte */
406	u_int16_t t_id; /* Transform ID */
407	};
408
409	enum ikev2_t_type {
410	IV2_T_ENCR = 1,
411	IV2_T_PRF = 2,
412	IV2_T_INTEG= 3,
413	IV2_T_DH = 4,
414	IV2_T_ESN = 5,
415	};
416
417	/* 3.4. Key Exchange Payload */
418	struct ikev2_ke {
419	struct isakmp_gen h;
420	u_int16_t ke_group;
421	u_int16_t ke_res1;
422	/* KE data */
423	};
424
425
426	/* 3.5. Identification Payloads */
427	enum ikev2_id_type {
428	ID_IPV4_ADDR=1,
429	ID_FQDN=2,
430	ID_RFC822_ADDR=3,
431	ID_IPV6_ADDR=5,
432	ID_DER_ASN1_DN=9,
433	ID_DER_ASN1_GN=10,
434	ID_KEY_ID=11,
435	};
436	struct ikev2_id {
437	struct isakmp_gen h;
438	u_int8_t type; /* ID type */
439	u_int8_t res1;
440	u_int16_t res2;
441	/* SPI */
442	/* Notification Data */
443	};
444
445	/* 3.10 Notification Payload */
446	struct ikev2_n {
447	struct isakmp_gen h;
448	u_int8_t prot_id; /* Protocol-ID */
449	u_int8_t spi_size; /* SPI Size */
450	u_int16_t type; /* Notify Message Type */
451	};
452
453	enum ikev2_n_type {
454	IV2_NOTIFY_UNSUPPORTED_CRITICAL_PAYLOAD = 1,
455	IV2_NOTIFY_INVALID_IKE_SPI = 4,
456	IV2_NOTIFY_INVALID_MAJOR_VERSION = 5,
457	IV2_NOTIFY_INVALID_SYNTAX = 7,
458	IV2_NOTIFY_INVALID_MESSAGE_ID = 9,
459	IV2_NOTIFY_INVALID_SPI =11,
460	IV2_NOTIFY_NO_PROPOSAL_CHOSEN =14,
461	IV2_NOTIFY_INVALID_KE_PAYLOAD =17,
462	IV2_NOTIFY_AUTHENTICATION_FAILED =24,
463	IV2_NOTIFY_SINGLE_PAIR_REQUIRED =34,
464	IV2_NOTIFY_NO_ADDITIONAL_SAS =35,
465	IV2_NOTIFY_INTERNAL_ADDRESS_FAILURE =36,
466	IV2_NOTIFY_FAILED_CP_REQUIRED =37,
467	IV2_NOTIFY_INVALID_SELECTORS =39,
468	IV2_NOTIFY_INITIAL_CONTACT =16384,
469	IV2_NOTIFY_SET_WINDOW_SIZE =16385,
470	IV2_NOTIFY_ADDITIONAL_TS_POSSIBLE =16386,
471	IV2_NOTIFY_IPCOMP_SUPPORTED =16387,
472	IV2_NOTIFY_NAT_DETECTION_SOURCE_IP =16388,
473	IV2_NOTIFY_NAT_DETECTION_DESTINATION_IP =16389,
474	IV2_NOTIFY_COOKIE =16390,
475	IV2_NOTIFY_USE_TRANSPORT_MODE =16391,
476	IV2_NOTIFY_HTTP_CERT_LOOKUP_SUPPORTED =16392,
477	IV2_NOTIFY_REKEY_SA =16393,
478	IV2_NOTIFY_ESP_TFC_PADDING_NOT_SUPPORTED =16394,
479	IV2_NOTIFY_NON_FIRST_FRAGMENTS_ALSO =16395
480	};
481
482	struct notify_messages {
483	u_int16_t type;
484	char *msg;
485	};
486
487	/* 3.8 Notification Payload */
488	struct ikev2_auth {
489	struct isakmp_gen h;
490	u_int8_t auth_method; /* Protocol-ID */
491	u_int8_t reserved[3];
492	/* authentication data */
493	};
494
495	enum ikev2_auth_type {
496	IV2_RSA_SIG = 1,
497	IV2_SHARED = 2,
498	IV2_DSS_SIG = 3,
499	};
500
501	#endif /* !defined(_ISAKMP_H_) */

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