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[strongswan.git] / src / libcharon / encoding / payloads / notify_payload.h
1 /*
2 * Copyright (C) 2006-2008 Tobias Brunner
3 * Copyright (C) 2006 Daniel Roethlisberger
4 * Copyright (C) 2005-2006 Martin Willi
5 * Copyright (C) 2005 Jan Hutter
6 * Hochschule fuer Technik Rapperswil
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 * for more details.
17 */
18
19 /**
20 * @defgroup notify_payload notify_payload
21 * @{ @ingroup payloads
22 */
23
24 #ifndef NOTIFY_PAYLOAD_H_
25 #define NOTIFY_PAYLOAD_H_
26
27 typedef enum notify_type_t notify_type_t;
28 typedef struct notify_payload_t notify_payload_t;
29
30 #include <library.h>
31 #include <encoding/payloads/payload.h>
32 #include <encoding/payloads/proposal_substructure.h>
33 #include <utils/linked_list.h>
34
35 /**
36 * Notify message types for IKEv2, and a subset for IKEv1.
37 */
38 enum notify_type_t {
39 /* notify error messages */
40 UNSUPPORTED_CRITICAL_PAYLOAD = 1,
41 /* IKEv1 alias */
42 INVALID_PAYLOAD_TYPE = 1,
43 INVALID_IKE_SPI = 4,
44 INVALID_MAJOR_VERSION = 5,
45 INVALID_SYNTAX = 7,
46 /* IKEv1 alias */
47 INVALID_EXCHANGE_TYPE = 7,
48 INVALID_MESSAGE_ID = 9,
49 INVALID_SPI = 11,
50 /* IKEv1 only */
51 ATTRIBUTES_NOT_SUPPORTED = 13,
52 /* IKEv1 alias */
53 NO_PROPOSAL_CHOSEN = 14,
54 /* IKEv1 only */
55 PAYLOAD_MALFORMED = 16,
56 INVALID_KE_PAYLOAD = 17,
57 /* IKEv1 alias */
58 INVALID_KEY_INFORMATION = 17,
59 /* IKEv1 only */
60 INVALID_ID_INFORMATION = 18,
61 INVALID_CERT_ENCODING = 19,
62 INVALID_CERTIFICATE = 20,
63 CERT_TYPE_UNSUPPORTED = 21,
64 INVALID_CERT_AUTHORITY = 22,
65 INVALID_HASH_INFORMATION = 23,
66 AUTHENTICATION_FAILED = 24,
67 SINGLE_PAIR_REQUIRED = 34,
68 NO_ADDITIONAL_SAS = 35,
69 INTERNAL_ADDRESS_FAILURE = 36,
70 FAILED_CP_REQUIRED = 37,
71 TS_UNACCEPTABLE = 38,
72 INVALID_SELECTORS = 39,
73 /* mobile extension, RFC 4555 */
74 UNACCEPTABLE_ADDRESSES = 40,
75 UNEXPECTED_NAT_DETECTED = 41,
76 /* mobile IPv6 bootstrapping, RFC 5026 */
77 USE_ASSIGNED_HoA = 42,
78 /* IKEv2 RFC 5996 */
79 TEMPORARY_FAILURE = 43,
80 CHILD_SA_NOT_FOUND = 44,
81
82 /* IKE-ME, private use */
83 ME_CONNECT_FAILED = 8192,
84
85 /* Windows error code */
86 MS_NOTIFY_STATUS = 12345,
87
88 /* notify status messages */
89 INITIAL_CONTACT = 16384,
90 SET_WINDOW_SIZE = 16385,
91 ADDITIONAL_TS_POSSIBLE = 16386,
92 IPCOMP_SUPPORTED = 16387,
93 NAT_DETECTION_SOURCE_IP = 16388,
94 NAT_DETECTION_DESTINATION_IP = 16389,
95 COOKIE = 16390,
96 USE_TRANSPORT_MODE = 16391,
97 HTTP_CERT_LOOKUP_SUPPORTED = 16392,
98 REKEY_SA = 16393,
99 ESP_TFC_PADDING_NOT_SUPPORTED = 16394,
100 NON_FIRST_FRAGMENTS_ALSO = 16395,
101 /* mobike extension, RFC4555 */
102 MOBIKE_SUPPORTED = 16396,
103 ADDITIONAL_IP4_ADDRESS = 16397,
104 ADDITIONAL_IP6_ADDRESS = 16398,
105 NO_ADDITIONAL_ADDRESSES = 16399,
106 UPDATE_SA_ADDRESSES = 16400,
107 COOKIE2 = 16401,
108 NO_NATS_ALLOWED = 16402,
109 /* repeated authentication extension, RFC4478 */
110 AUTH_LIFETIME = 16403,
111 /* multiple authentication exchanges, RFC 4739 */
112 MULTIPLE_AUTH_SUPPORTED = 16404,
113 ANOTHER_AUTH_FOLLOWS = 16405,
114 /* redirect mechanism, RFC 5685 */
115 REDIRECT_SUPPORTED = 16406,
116 REDIRECT = 16407,
117 REDIRECTED_FROM = 16408,
118 /* session resumption, RFC 5723 */
119 TICKET_LT_OPAQUE = 16409,
120 TICKET_REQUEST = 16410,
121 TICKET_ACK = 16411,
122 TICKET_NACK = 16412,
123 TICKET_OPAQUE = 16413,
124 /* IPv6 configuration, RFC 5739 */
125 LINK_ID = 16414,
126 /* wrapped esp, RFC 5840 */
127 USE_WESP_MODE = 16415,
128 /* robust header compression, RFC 5857 */
129 ROHC_SUPPORTED = 16416,
130 /* EAP-only authentication, RFC 5998 */
131 EAP_ONLY_AUTHENTICATION = 16417,
132 /* Childless initiation of IKEv2 SA, RFC 6023 */
133 CHILDLESS_IKEV2_SUPPORTED = 16418,
134 /* Quick crash detection for IKE, RFC 6290 */
135 QUICK_CRASH_DETECTION = 16419,
136 /* High availability of IKEv2/IPsec, RFC 6311 */
137 IKEV2_MESSAGE_ID_SYNC_SUPPORTED = 16420,
138 IKEV2_REPLAY_COUNTER_SYNC_SUPPORTED = 16421,
139 IKEV2_MESSAGE_ID_SYNC = 16422,
140 IPSEC_REPLAY_COUNTER_SYNC = 16423,
141 /* Secure password methods, RFC 6467 */
142 SECURE_PASSWORD_METHOD = 16424,
143 /* PACE - draft-kuegler-ipsecme-pace-ikev2 */
144 PSK_PERSIST = 16425,
145 PSK_CONFIRM = 16426,
146 /* IKEv1 initial contact */
147 INITIAL_CONTACT_IKEV1 = 24578,
148 /* IKEv1 DPD */
149 DPD_R_U_THERE = 36136,
150 DPD_R_U_THERE_ACK = 36137,
151 /* IKEv1 Cisco High Availability */
152 UNITY_LOAD_BALANCE = 40501,
153 /* BEET mode, not even a draft yet. private use */
154 USE_BEET_MODE = 40961,
155 /* IKE-ME, private use */
156 ME_MEDIATION = 40962,
157 ME_ENDPOINT = 40963,
158 ME_CALLBACK = 40964,
159 ME_CONNECTID = 40965,
160 ME_CONNECTKEY = 40966,
161 ME_CONNECTAUTH = 40967,
162 ME_RESPONSE = 40968,
163 /* RADIUS attribute received/to send to a AAA backend */
164 RADIUS_ATTRIBUTE = 40969,
165 };
166
167 /**
168 * enum name for notify_type_t.
169 */
170 extern enum_name_t *notify_type_names;
171
172 /**
173 * enum name for notify_type_t (shorter strings).
174 */
175 extern enum_name_t *notify_type_short_names;
176
177 /**
178 * Class representing an IKEv2-Notify Payload.
179 *
180 * The Notify Payload format is described in Draft section 3.10.
181 */
182 struct notify_payload_t {
183 /**
184 * The payload_t interface.
185 */
186 payload_t payload_interface;
187
188 /**
189 * Gets the protocol id of this payload.
190 *
191 * @return protocol id of this payload
192 */
193 u_int8_t (*get_protocol_id) (notify_payload_t *this);
194
195 /**
196 * Sets the protocol id of this payload.
197 *
198 * @param protocol_id protocol id to set
199 */
200 void (*set_protocol_id) (notify_payload_t *this, u_int8_t protocol_id);
201
202 /**
203 * Gets the notify message type of this payload.
204 *
205 * @return notify message type of this payload
206 */
207 notify_type_t (*get_notify_type) (notify_payload_t *this);
208
209 /**
210 * Sets notify message type of this payload.
211 *
212 * @param type notify message type to set
213 */
214 void (*set_notify_type) (notify_payload_t *this, notify_type_t type);
215
216 /**
217 * Returns the currently set spi of this payload.
218 *
219 * This is only valid for notifys with protocol AH|ESP
220 *
221 * @return SPI value
222 */
223 u_int32_t (*get_spi) (notify_payload_t *this);
224
225 /**
226 * Sets the spi of this payload.
227 *
228 * This is only valid for notifys with protocol AH|ESP
229 *
230 * @param spi SPI value
231 */
232 void (*set_spi) (notify_payload_t *this, u_int32_t spi);
233
234 /**
235 * Returns the currently set spi of this payload.
236 *
237 * This is only valid for notifys with protocol ISAKMP
238 *
239 * @return SPI value
240 */
241 chunk_t (*get_spi_data) (notify_payload_t *this);
242
243 /**
244 * Sets the spi of this payload.
245 *
246 * This is only valid for notifys with protocol ISAKMP
247 *
248 * @param spi SPI value
249 */
250 void (*set_spi_data) (notify_payload_t *this, chunk_t spi);
251
252 /**
253 * Returns the currently set notification data of payload.
254 *
255 * Returned data are not copied.
256 *
257 * @return chunk_t pointing to the value
258 */
259 chunk_t (*get_notification_data) (notify_payload_t *this);
260
261 /**
262 * Sets the notification data of this payload.
263 *
264 * @warning Value is getting copied.
265 *
266 * @param notification_data chunk_t pointing to the value to set
267 */
268 void (*set_notification_data) (notify_payload_t *this,
269 chunk_t notification_data);
270
271 /**
272 * Destroys an notify_payload_t object.
273 */
274 void (*destroy) (notify_payload_t *this);
275 };
276
277 /**
278 * Creates an empty notify_payload_t object
279 *
280 * @param type payload type, NOTIFY or NOTIFY_V1
281 * @return created notify_payload_t object
282 */
283 notify_payload_t *notify_payload_create(payload_type_t type);
284
285 /**
286 * Creates an notify_payload_t object of specific type for specific protocol id.
287 *
288 * @param type payload type, NOTIFY or NOTIFY_V1
289 * @param protocol protocol id (IKE, AH or ESP)
290 * @param notify type of notify
291 * @return notify_payload_t object
292 */
293 notify_payload_t *notify_payload_create_from_protocol_and_type(
294 payload_type_t type, protocol_id_t protocol, notify_type_t notify);
295
296 #endif /** NOTIFY_PAYLOAD_H_ @}*/