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9166f840 | 1 | /** @file\r |
2 | The operations for IKEv2 SA.\r | |
3 | \r | |
e8837edd | 4 | (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r |
6b16c9e7 | 5 | Copyright (c) 2010 - 2016, Intel Corporation. All rights reserved.<BR>\r |
9166f840 | 6 | \r |
7 | This program and the accompanying materials\r | |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php.\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #include "Utility.h"\r | |
18 | #include "IpSecDebug.h"\r | |
19 | #include "IkeService.h"\r | |
20 | #include "Ikev2.h"\r | |
21 | \r | |
22 | /**\r | |
23 | Generates the DH Key.\r | |
24 | \r | |
25 | This generates the DH local public key and store it in the IKEv2 SA Session's GxBuffer.\r | |
26 | \r | |
27 | @param[in] IkeSaSession Pointer to related IKE SA Session.\r | |
28 | \r | |
29 | @retval EFI_SUCCESS The operation succeeded.\r | |
30 | @retval Others The operation failed.\r | |
31 | \r | |
32 | **/\r | |
33 | EFI_STATUS\r | |
34 | Ikev2GenerateSaDhPublicKey (\r | |
35 | IN IKEV2_SA_SESSION *IkeSaSession\r | |
36 | );\r | |
37 | \r | |
38 | /**\r | |
39 | Generates the IKEv2 SA key for the furthure IKEv2 exchange.\r | |
40 | \r | |
41 | @param[in] IkeSaSession Pointer to IKEv2 SA Session.\r | |
42 | @param[in] KePayload Pointer to Key payload used to generate the Key.\r | |
43 | \r | |
44 | @retval EFI_UNSUPPORTED If the Algorithm Id is not supported.\r | |
45 | @retval EFI_SUCCESS The operation succeeded.\r | |
46 | \r | |
47 | **/\r | |
48 | EFI_STATUS\r | |
49 | Ikev2GenerateSaKeys (\r | |
50 | IN IKEV2_SA_SESSION *IkeSaSession,\r | |
51 | IN IKE_PAYLOAD *KePayload\r | |
52 | );\r | |
53 | \r | |
54 | /**\r | |
55 | Generates the Keys for the furthure IPsec Protocol.\r | |
56 | \r | |
57 | @param[in] ChildSaSession Pointer to IKE Child SA Session.\r | |
58 | @param[in] KePayload Pointer to Key payload used to generate the Key.\r | |
59 | \r | |
60 | @retval EFI_UNSUPPORTED If one or more Algorithm Id is unsupported.\r | |
61 | @retval EFI_SUCCESS The operation succeeded.\r | |
62 | \r | |
63 | **/\r | |
64 | EFI_STATUS\r | |
65 | Ikev2GenerateChildSaKeys (\r | |
66 | IN IKEV2_CHILD_SA_SESSION *ChildSaSession,\r | |
67 | IN IKE_PAYLOAD *KePayload\r | |
68 | );\r | |
69 | \r | |
70 | /**\r | |
71 | Gernerates IKEv2 packet for IKE_SA_INIT exchange.\r | |
72 | \r | |
73 | @param[in] SaSession Pointer to IKEV2_SA_SESSION related to the exchange.\r | |
74 | @param[in] Context Context Data passed by caller.\r | |
75 | \r | |
76 | @retval EFI_SUCCESS The IKEv2 packet generation succeeded.\r | |
77 | @retval Others The IKEv2 packet generation failed.\r | |
78 | \r | |
79 | **/\r | |
80 | IKE_PACKET *\r | |
81 | Ikev2InitPskGenerator (\r | |
82 | IN UINT8 *SaSession,\r | |
83 | IN VOID *Context\r | |
84 | )\r | |
85 | {\r | |
86 | IKE_PACKET *IkePacket;\r | |
87 | IKEV2_SA_SESSION *IkeSaSession;\r | |
88 | IKE_PAYLOAD *SaPayload;\r | |
89 | IKE_PAYLOAD *KePayload;\r | |
90 | IKE_PAYLOAD *NoncePayload;\r | |
91 | IKE_PAYLOAD *NotifyPayload;\r | |
92 | EFI_STATUS Status;\r | |
93 | \r | |
94 | SaPayload = NULL;\r | |
95 | KePayload = NULL;\r | |
96 | NoncePayload = NULL;\r | |
97 | NotifyPayload = NULL;\r | |
98 | \r | |
99 | IkeSaSession = (IKEV2_SA_SESSION *) SaSession;\r | |
100 | \r | |
101 | //\r | |
102 | // 1. Allocate IKE packet\r | |
103 | //\r | |
104 | IkePacket = IkePacketAlloc ();\r | |
6b16c9e7 JW |
105 | if (IkePacket == NULL) {\r |
106 | goto CheckError;\r | |
107 | }\r | |
9166f840 | 108 | \r |
109 | //\r | |
110 | // 1.a Fill the IkePacket->Hdr\r | |
111 | //\r | |
112 | IkePacket->Header->ExchangeType = IKEV2_EXCHANGE_TYPE_INIT;\r | |
113 | IkePacket->Header->InitiatorCookie = IkeSaSession->InitiatorCookie;\r | |
114 | IkePacket->Header->ResponderCookie = IkeSaSession->ResponderCookie;\r | |
115 | IkePacket->Header->Version = (UINT8) (2 << 4);\r | |
116 | IkePacket->Header->MessageId = 0;\r | |
117 | \r | |
118 | if (IkeSaSession->SessionCommon.IsInitiator) {\r | |
119 | IkePacket->Header->Flags = IKE_HEADER_FLAGS_INIT;\r | |
120 | } else {\r | |
121 | IkePacket->Header->Flags = IKE_HEADER_FLAGS_RESPOND;\r | |
122 | }\r | |
123 | \r | |
124 | //\r | |
125 | // If the NCookie is not NULL, this IKE_SA_INIT packet is resent by the NCookie\r | |
126 | // and the NCookie payload should be the first payload in this packet.\r | |
127 | //\r | |
128 | if (IkeSaSession->NCookie != NULL) {\r | |
129 | IkePacket->Header->NextPayload = IKEV2_PAYLOAD_TYPE_NOTIFY;\r | |
130 | NotifyPayload = Ikev2GenerateNotifyPayload (\r | |
131 | IPSEC_PROTO_ISAKMP,\r | |
132 | IKEV2_PAYLOAD_TYPE_SA,\r | |
133 | 0,\r | |
134 | IKEV2_NOTIFICATION_COOKIE,\r | |
135 | NULL,\r | |
136 | IkeSaSession->NCookie,\r | |
137 | IkeSaSession->NCookieSize\r | |
138 | );\r | |
139 | } else {\r | |
140 | IkePacket->Header->NextPayload = IKEV2_PAYLOAD_TYPE_SA;\r | |
141 | }\r | |
142 | \r | |
143 | //\r | |
144 | // 2. Generate SA Payload according to the SaData & SaParams\r | |
145 | //\r | |
146 | SaPayload = Ikev2GenerateSaPayload (\r | |
147 | IkeSaSession->SaData,\r | |
148 | IKEV2_PAYLOAD_TYPE_KE,\r | |
149 | IkeSessionTypeIkeSa\r | |
150 | );\r | |
151 | \r | |
152 | //\r | |
153 | // 3. Generate DH public key.\r | |
154 | // The DhPrivate Key has been generated in Ikev2InitPskParser, if the\r | |
155 | // IkeSaSession is responder. If resending IKE_SA_INIT with Cookie Notify\r | |
156 | // No need to recompute the Public key.\r | |
157 | //\r | |
158 | if ((IkeSaSession->SessionCommon.IsInitiator) && (IkeSaSession->NCookie == NULL)) { \r | |
159 | Status = Ikev2GenerateSaDhPublicKey (IkeSaSession);\r | |
160 | if (EFI_ERROR (Status)) {\r | |
161 | goto CheckError;\r | |
162 | }\r | |
163 | }\r | |
164 | \r | |
165 | //\r | |
166 | // 4. Generate KE Payload according to SaParams->DhGroup\r | |
167 | //\r | |
168 | KePayload = Ikev2GenerateKePayload (\r | |
169 | IkeSaSession, \r | |
170 | IKEV2_PAYLOAD_TYPE_NONCE\r | |
171 | );\r | |
172 | \r | |
173 | //\r | |
174 | // 5. Generate Nonce Payload\r | |
175 | // If resending IKE_SA_INIT with Cookie Notify paylaod, no need to regenerate\r | |
176 | // the Nonce Payload.\r | |
177 | //\r | |
178 | if ((IkeSaSession->SessionCommon.IsInitiator) && (IkeSaSession->NCookie == NULL)) {\r | |
179 | IkeSaSession->NiBlkSize = IKE_NONCE_SIZE;\r | |
180 | IkeSaSession->NiBlock = IkeGenerateNonce (IKE_NONCE_SIZE);\r | |
6b16c9e7 JW |
181 | if (IkeSaSession->NiBlock == NULL) {\r |
182 | goto CheckError;\r | |
183 | }\r | |
9166f840 | 184 | }\r |
185 | \r | |
186 | if (IkeSaSession->SessionCommon.IsInitiator) {\r | |
187 | NoncePayload = Ikev2GenerateNoncePayload (\r | |
188 | IkeSaSession->NiBlock,\r | |
189 | IkeSaSession->NiBlkSize,\r | |
190 | IKEV2_PAYLOAD_TYPE_NONE\r | |
191 | );\r | |
192 | } else {\r | |
193 | //\r | |
194 | // The Nonce Payload has been created in Ikev2PskParser if the IkeSaSession is\r | |
195 | // responder.\r | |
196 | //\r | |
197 | NoncePayload = Ikev2GenerateNoncePayload (\r | |
198 | IkeSaSession->NrBlock,\r | |
199 | IkeSaSession->NrBlkSize,\r | |
200 | IKEV2_PAYLOAD_TYPE_NONE\r | |
201 | );\r | |
202 | }\r | |
203 | \r | |
204 | if (NotifyPayload != NULL) {\r | |
205 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, NotifyPayload);\r | |
206 | }\r | |
207 | if (SaPayload != NULL) {\r | |
208 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, SaPayload);\r | |
209 | }\r | |
210 | if (KePayload != NULL) {\r | |
211 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, KePayload);\r | |
212 | }\r | |
213 | if (NoncePayload != NULL) {\r | |
214 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, NoncePayload);\r | |
215 | }\r | |
216 | \r | |
217 | return IkePacket;\r | |
218 | \r | |
219 | CheckError:\r | |
220 | if (IkePacket != NULL) {\r | |
221 | IkePacketFree (IkePacket);\r | |
222 | }\r | |
223 | if (SaPayload != NULL) {\r | |
224 | IkePayloadFree (SaPayload);\r | |
225 | }\r | |
226 | return NULL; \r | |
227 | }\r | |
228 | \r | |
229 | /**\r | |
230 | Parses the IKEv2 packet for IKE_SA_INIT exchange.\r | |
231 | \r | |
232 | @param[in] SaSession Pointer to IKEV2_SA_SESSION related to the exchange.\r | |
233 | @param[in] IkePacket The received IKE packet to be parsed.\r | |
234 | \r | |
235 | @retval EFI_SUCCESS The IKEv2 packet is acceptable and the relative data is\r | |
236 | saved for furthure communication.\r | |
237 | @retval EFI_INVALID_PARAMETER The IKEv2 packet is malformed or the SA proposal is unacceptable.\r | |
238 | \r | |
239 | **/\r | |
240 | EFI_STATUS\r | |
241 | Ikev2InitPskParser (\r | |
242 | IN UINT8 *SaSession,\r | |
243 | IN IKE_PACKET *IkePacket\r | |
244 | ) \r | |
245 | {\r | |
246 | IKEV2_SA_SESSION *IkeSaSession;\r | |
247 | IKE_PAYLOAD *SaPayload;\r | |
248 | IKE_PAYLOAD *KeyPayload;\r | |
249 | IKE_PAYLOAD *IkePayload;\r | |
250 | IKE_PAYLOAD *NoncePayload;\r | |
251 | IKE_PAYLOAD *NotifyPayload;\r | |
252 | UINT8 *NonceBuffer;\r | |
253 | UINTN NonceSize;\r | |
254 | LIST_ENTRY *Entry;\r | |
255 | EFI_STATUS Status;\r | |
256 | \r | |
257 | IkeSaSession = (IKEV2_SA_SESSION *) SaSession;\r | |
258 | KeyPayload = NULL;\r | |
259 | SaPayload = NULL;\r | |
260 | NoncePayload = NULL;\r | |
261 | IkePayload = NULL;\r | |
262 | NotifyPayload = NULL;\r | |
263 | \r | |
264 | //\r | |
265 | // Iterate payloads to find the SaPayload and KeyPayload.\r | |
266 | //\r | |
267 | NET_LIST_FOR_EACH (Entry, &(IkePacket)->PayloadList) {\r | |
268 | IkePayload = IKE_PAYLOAD_BY_PACKET (Entry);\r | |
269 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_SA) {\r | |
270 | SaPayload = IkePayload;\r | |
271 | }\r | |
272 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_KE) {\r | |
273 | KeyPayload = IkePayload;\r | |
274 | }\r | |
275 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_NONCE) {\r | |
276 | NoncePayload = IkePayload;\r | |
277 | }\r | |
278 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_NOTIFY) {\r | |
279 | NotifyPayload = IkePayload;\r | |
280 | }\r | |
281 | }\r | |
282 | \r | |
283 | //\r | |
284 | // According to RFC 4306 - 2.6. If the responder responds with the COOKIE Notify\r | |
285 | // payload with the cookie data, initiator MUST retry the IKE_SA_INIT with a\r | |
286 | // Notify payload of type COOKIE containing the responder suppplied cookie data\r | |
287 | // as first payload and all other payloads unchanged.\r | |
288 | //\r | |
289 | if (IkeSaSession->SessionCommon.IsInitiator) {\r | |
40b83d61 JW |
290 | if (NotifyPayload != NULL && !EFI_ERROR(Ikev2ParserNotifyCookiePayload (NotifyPayload, IkeSaSession))) {\r |
291 | return EFI_SUCCESS;\r | |
9166f840 | 292 | }\r |
293 | }\r | |
294 | \r | |
295 | if ((KeyPayload == NULL) || (SaPayload == NULL) || (NoncePayload == NULL)) {\r | |
296 | return EFI_INVALID_PARAMETER;\r | |
297 | }\r | |
298 | \r | |
299 | //\r | |
300 | // Store NoncePayload for SKEYID computing.\r | |
301 | //\r | |
302 | NonceSize = NoncePayload->PayloadSize - sizeof (IKEV2_COMMON_PAYLOAD_HEADER);\r | |
303 | NonceBuffer = (UINT8 *) AllocatePool (NonceSize);\r | |
6b16c9e7 JW |
304 | if (NonceBuffer == NULL) {\r |
305 | Status = EFI_OUT_OF_RESOURCES;\r | |
306 | goto CheckError;\r | |
307 | }\r | |
308 | \r | |
9166f840 | 309 | CopyMem (\r |
310 | NonceBuffer,\r | |
311 | NoncePayload->PayloadBuf + sizeof (IKEV2_COMMON_PAYLOAD_HEADER),\r | |
312 | NonceSize\r | |
313 | );\r | |
314 | \r | |
315 | //\r | |
316 | // Check if IkePacket Header matches the state\r | |
317 | //\r | |
318 | if (IkeSaSession->SessionCommon.IsInitiator) {\r | |
319 | //\r | |
320 | // 1. Check the IkePacket->Hdr == IKE_HEADER_FLAGS_RESPOND\r | |
321 | //\r | |
322 | if (IkePacket->Header->Flags != IKE_HEADER_FLAGS_RESPOND) {\r | |
323 | Status = EFI_INVALID_PARAMETER;\r | |
324 | goto CheckError;\r | |
325 | }\r | |
326 | \r | |
327 | //\r | |
328 | // 2. Parse the SA Payload and Key Payload to find out the cryptographic\r | |
329 | // suite and fill in the Sa paramse into CommonSession->SaParams\r | |
330 | //\r | |
331 | if (!Ikev2SaParseSaPayload (IkeSaSession, SaPayload, IkePacket->Header->Flags)) {\r | |
332 | Status = EFI_INVALID_PARAMETER;\r | |
333 | goto CheckError;\r | |
334 | }\r | |
335 | \r | |
336 | //\r | |
337 | // 3. If Initiator, the NoncePayload is Nr_b.\r | |
338 | //\r | |
339 | IKEV2_DUMP_STATE (IkeSaSession->SessionCommon.State, IkeStateAuth);\r | |
340 | IkeSaSession->NrBlock = NonceBuffer;\r | |
341 | IkeSaSession->NrBlkSize = NonceSize;\r | |
342 | IkeSaSession->SessionCommon.State = IkeStateAuth;\r | |
343 | IkeSaSession->ResponderCookie = IkePacket->Header->ResponderCookie;\r | |
344 | \r | |
345 | //\r | |
346 | // 4. Change the state of IkeSaSession\r | |
347 | //\r | |
348 | IkeSaSession->SessionCommon.State = IkeStateAuth;\r | |
349 | } else {\r | |
350 | //\r | |
351 | // 1. Check the IkePacket->Hdr == IKE_HEADER_FLAGS_INIT\r | |
352 | //\r | |
353 | if (IkePacket->Header->Flags != IKE_HEADER_FLAGS_INIT) {\r | |
354 | Status = EFI_INVALID_PARAMETER;\r | |
355 | goto CheckError;\r | |
356 | }\r | |
357 | \r | |
358 | //\r | |
359 | // 2. Parse the SA payload and find out the perfered one\r | |
360 | // and fill in the SA parameters into CommonSession->SaParams and SaData into\r | |
361 | // IkeSaSession for the responder SA payload generation.\r | |
362 | //\r | |
363 | if (!Ikev2SaParseSaPayload (IkeSaSession, SaPayload, IkePacket->Header->Flags)) {\r | |
364 | Status = EFI_INVALID_PARAMETER;\r | |
365 | goto CheckError;\r | |
366 | }\r | |
367 | \r | |
368 | //\r | |
369 | // 3. Generat Dh Y parivate Key\r | |
370 | //\r | |
371 | Status = Ikev2GenerateSaDhPublicKey (IkeSaSession);\r | |
372 | if (EFI_ERROR (Status)) {\r | |
373 | goto CheckError;\r | |
374 | }\r | |
375 | \r | |
376 | //\r | |
377 | // 4. If Responder, the NoncePayload is Ni_b and go to generate Nr_b.\r | |
378 | //\r | |
379 | IkeSaSession->NiBlock = NonceBuffer;\r | |
380 | IkeSaSession->NiBlkSize = NonceSize;\r | |
381 | \r | |
382 | //\r | |
383 | // 5. Generate Nr_b\r | |
384 | //\r | |
385 | IkeSaSession->NrBlock = IkeGenerateNonce (IKE_NONCE_SIZE);\r | |
bb7a152c | 386 | ASSERT (IkeSaSession->NrBlock != NULL);\r |
9166f840 | 387 | IkeSaSession->NrBlkSize = IKE_NONCE_SIZE;\r |
388 | \r | |
389 | //\r | |
390 | // 6. Save the Cookies\r | |
391 | //\r | |
392 | IkeSaSession->InitiatorCookie = IkePacket->Header->InitiatorCookie;\r | |
393 | IkeSaSession->ResponderCookie = IkeGenerateCookie ();\r | |
394 | }\r | |
395 | \r | |
396 | if (IkeSaSession->SessionCommon.PreferDhGroup != ((IKEV2_KEY_EXCHANGE *)KeyPayload->PayloadBuf)->DhGroup) {\r | |
397 | Status = EFI_INVALID_PARAMETER;\r | |
398 | goto CheckError;\r | |
399 | }\r | |
400 | //\r | |
401 | // Call Ikev2GenerateSaKeys to create SKEYID, SKEYID_d, SKEYID_a, SKEYID_e.\r | |
402 | //\r | |
403 | Status = Ikev2GenerateSaKeys (IkeSaSession, KeyPayload);\r | |
404 | if (EFI_ERROR(Status)) {\r | |
405 | goto CheckError;\r | |
406 | }\r | |
407 | return EFI_SUCCESS;\r | |
408 | \r | |
409 | CheckError:\r | |
410 | if (NonceBuffer != NULL) {\r | |
411 | FreePool (NonceBuffer);\r | |
412 | }\r | |
413 | \r | |
414 | return Status;\r | |
415 | }\r | |
416 | \r | |
417 | /**\r | |
418 | Generates the IKEv2 packet for IKE_AUTH exchange.\r | |
419 | \r | |
420 | @param[in] SaSession Pointer to IKEV2_SA_SESSION.\r | |
421 | @param[in] Context Context data passed by caller.\r | |
422 | \r | |
423 | @retval Pointer to IKE Packet to be sent out.\r | |
424 | \r | |
425 | **/\r | |
426 | IKE_PACKET *\r | |
427 | Ikev2AuthPskGenerator (\r | |
428 | IN UINT8 *SaSession,\r | |
429 | IN VOID *Context\r | |
430 | )\r | |
431 | {\r | |
432 | IKE_PACKET *IkePacket;\r | |
433 | IKEV2_SA_SESSION *IkeSaSession;\r | |
434 | IKE_PAYLOAD *IdPayload;\r | |
435 | IKE_PAYLOAD *AuthPayload;\r | |
436 | IKE_PAYLOAD *SaPayload;\r | |
437 | IKE_PAYLOAD *TsiPayload;\r | |
438 | IKE_PAYLOAD *TsrPayload;\r | |
439 | IKE_PAYLOAD *NotifyPayload;\r | |
440 | IKE_PAYLOAD *CpPayload;\r | |
441 | IKEV2_CHILD_SA_SESSION *ChildSaSession;\r | |
442 | \r | |
443 | \r | |
444 | IkeSaSession = (IKEV2_SA_SESSION *) SaSession;\r | |
445 | ChildSaSession = IKEV2_CHILD_SA_SESSION_BY_IKE_SA (GetFirstNode (&IkeSaSession->ChildSaSessionList));\r | |
446 | \r | |
6771c1d6 JW |
447 | IkePacket = NULL;\r |
448 | IdPayload = NULL;\r | |
449 | AuthPayload = NULL;\r | |
450 | SaPayload = NULL;\r | |
451 | TsiPayload = NULL;\r | |
452 | TsrPayload = NULL;\r | |
453 | NotifyPayload = NULL;\r | |
9166f840 | 454 | CpPayload = NULL;\r |
455 | NotifyPayload = NULL;\r | |
456 | \r | |
457 | //\r | |
458 | // 1. Allocate IKE Packet\r | |
459 | //\r | |
460 | IkePacket= IkePacketAlloc ();\r | |
6b16c9e7 JW |
461 | if (IkePacket == NULL) {\r |
462 | return NULL;\r | |
463 | }\r | |
9166f840 | 464 | \r |
465 | //\r | |
466 | // 1.a Fill the IkePacket Header.\r | |
467 | //\r | |
468 | IkePacket->Header->ExchangeType = IKEV2_EXCHANGE_TYPE_AUTH;\r | |
469 | IkePacket->Header->InitiatorCookie = IkeSaSession->InitiatorCookie;\r | |
470 | IkePacket->Header->ResponderCookie = IkeSaSession->ResponderCookie;\r | |
471 | IkePacket->Header->Version = (UINT8)(2 << 4);\r | |
472 | if (ChildSaSession->SessionCommon.IsInitiator) {\r | |
473 | IkePacket->Header->NextPayload = IKEV2_PAYLOAD_TYPE_ID_INIT;\r | |
474 | } else {\r | |
475 | IkePacket->Header->NextPayload = IKEV2_PAYLOAD_TYPE_ID_RSP;\r | |
476 | }\r | |
477 | \r | |
478 | //\r | |
479 | // According to RFC4306_2.2, For the IKE_SA_INIT message the MessageID should \r | |
480 | // be always number 0 and 1;\r | |
481 | //\r | |
482 | IkePacket->Header->MessageId = 1;\r | |
483 | \r | |
484 | if (IkeSaSession->SessionCommon.IsInitiator) {\r | |
485 | IkePacket->Header->Flags = IKE_HEADER_FLAGS_INIT;\r | |
486 | } else {\r | |
487 | IkePacket->Header->Flags = IKE_HEADER_FLAGS_RESPOND;\r | |
488 | }\r | |
489 | \r | |
490 | //\r | |
491 | // 2. Generate ID Payload according to IP version and address.\r | |
492 | //\r | |
493 | IdPayload = Ikev2GenerateIdPayload (\r | |
494 | &IkeSaSession->SessionCommon,\r | |
495 | IKEV2_PAYLOAD_TYPE_AUTH\r | |
496 | );\r | |
6771c1d6 JW |
497 | if (IdPayload == NULL) {\r |
498 | goto CheckError;\r | |
499 | }\r | |
9166f840 | 500 | \r |
501 | //\r | |
502 | // 3. Generate Auth Payload\r | |
503 | // If it is tunnel mode, should create the configuration payload after the\r | |
504 | // Auth payload.\r | |
505 | //\r | |
506 | if (IkeSaSession->Spd->Data->ProcessingPolicy->Mode == EfiIPsecTransport) {\r | |
507 | \r | |
508 | AuthPayload = Ikev2PskGenerateAuthPayload (\r | |
509 | ChildSaSession->IkeSaSession,\r | |
510 | IdPayload,\r | |
511 | IKEV2_PAYLOAD_TYPE_SA,\r | |
512 | FALSE\r | |
513 | );\r | |
514 | } else {\r | |
515 | AuthPayload = Ikev2PskGenerateAuthPayload (\r | |
516 | ChildSaSession->IkeSaSession,\r | |
517 | IdPayload,\r | |
518 | IKEV2_PAYLOAD_TYPE_CP,\r | |
519 | FALSE\r | |
520 | );\r | |
521 | if (IkeSaSession->SessionCommon.UdpService->IpVersion == IP_VERSION_4) {\r | |
522 | CpPayload = Ikev2GenerateCpPayload (\r | |
523 | ChildSaSession->IkeSaSession,\r | |
524 | IKEV2_PAYLOAD_TYPE_SA,\r | |
525 | IKEV2_CFG_ATTR_INTERNAL_IP4_ADDRESS\r | |
526 | );\r | |
527 | } else {\r | |
528 | CpPayload = Ikev2GenerateCpPayload (\r | |
529 | ChildSaSession->IkeSaSession,\r | |
530 | IKEV2_PAYLOAD_TYPE_SA,\r | |
531 | IKEV2_CFG_ATTR_INTERNAL_IP6_ADDRESS\r | |
532 | );\r | |
533 | }\r | |
6771c1d6 JW |
534 | \r |
535 | if (CpPayload == NULL) {\r | |
536 | goto CheckError;\r | |
537 | }\r | |
538 | }\r | |
539 | \r | |
540 | if (AuthPayload == NULL) {\r | |
541 | goto CheckError;\r | |
9166f840 | 542 | }\r |
543 | \r | |
544 | //\r | |
545 | // 4. Generate SA Payload according to the SA Data in ChildSaSession\r | |
546 | //\r | |
547 | SaPayload = Ikev2GenerateSaPayload (\r | |
548 | ChildSaSession->SaData,\r | |
549 | IKEV2_PAYLOAD_TYPE_TS_INIT,\r | |
550 | IkeSessionTypeChildSa\r | |
551 | );\r | |
6771c1d6 JW |
552 | if (SaPayload == NULL) {\r |
553 | goto CheckError;\r | |
554 | }\r | |
9166f840 | 555 | \r |
556 | if (IkeSaSession->Spd->Data->ProcessingPolicy->Mode == EfiIPsecTransport) {\r | |
557 | //\r | |
558 | // Generate Tsi and Tsr.\r | |
559 | //\r | |
560 | TsiPayload = Ikev2GenerateTsPayload (\r | |
561 | ChildSaSession,\r | |
562 | IKEV2_PAYLOAD_TYPE_TS_RSP,\r | |
563 | FALSE\r | |
564 | );\r | |
565 | \r | |
566 | TsrPayload = Ikev2GenerateTsPayload (\r | |
567 | ChildSaSession,\r | |
568 | IKEV2_PAYLOAD_TYPE_NOTIFY,\r | |
569 | FALSE\r | |
570 | );\r | |
571 | \r | |
572 | //\r | |
573 | // Generate Notify Payload. If transport mode, there should have Notify\r | |
574 | // payload with TRANSPORT_MODE notification.\r | |
575 | //\r | |
576 | NotifyPayload = Ikev2GenerateNotifyPayload (\r | |
577 | 0,\r | |
578 | IKEV2_PAYLOAD_TYPE_NONE,\r | |
579 | 0,\r | |
580 | IKEV2_NOTIFICATION_USE_TRANSPORT_MODE,\r | |
581 | NULL,\r | |
582 | NULL,\r | |
583 | 0\r | |
584 | );\r | |
6771c1d6 JW |
585 | if (NotifyPayload == NULL) {\r |
586 | goto CheckError;\r | |
587 | }\r | |
9166f840 | 588 | } else {\r |
589 | //\r | |
590 | // Generate Tsr for Tunnel mode.\r | |
591 | //\r | |
592 | TsiPayload = Ikev2GenerateTsPayload (\r | |
593 | ChildSaSession,\r | |
594 | IKEV2_PAYLOAD_TYPE_TS_RSP,\r | |
595 | TRUE\r | |
596 | );\r | |
597 | TsrPayload = Ikev2GenerateTsPayload (\r | |
598 | ChildSaSession,\r | |
599 | IKEV2_PAYLOAD_TYPE_NONE,\r | |
600 | FALSE\r | |
601 | );\r | |
602 | }\r | |
603 | \r | |
6771c1d6 JW |
604 | if (TsiPayload == NULL || TsrPayload == NULL) {\r |
605 | goto CheckError;\r | |
606 | }\r | |
607 | \r | |
9166f840 | 608 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, IdPayload);\r |
609 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, AuthPayload);\r | |
610 | if (IkeSaSession->Spd->Data->ProcessingPolicy->Mode == EfiIPsecTunnel) {\r | |
611 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, CpPayload);\r | |
612 | }\r | |
613 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, SaPayload);\r | |
614 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, TsiPayload);\r | |
615 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, TsrPayload);\r | |
616 | if (IkeSaSession->Spd->Data->ProcessingPolicy->Mode == EfiIPsecTransport) {\r | |
617 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, NotifyPayload);\r | |
618 | }\r | |
619 | \r | |
620 | return IkePacket;\r | |
6771c1d6 JW |
621 | \r |
622 | CheckError:\r | |
623 | if (IkePacket != NULL) {\r | |
624 | IkePacketFree (IkePacket);\r | |
625 | }\r | |
626 | \r | |
627 | if (IdPayload != NULL) {\r | |
628 | IkePayloadFree (IdPayload);\r | |
629 | }\r | |
630 | \r | |
631 | if (AuthPayload != NULL) {\r | |
632 | IkePayloadFree (AuthPayload);\r | |
633 | }\r | |
634 | \r | |
635 | if (CpPayload != NULL) {\r | |
636 | IkePayloadFree (CpPayload);\r | |
637 | }\r | |
638 | \r | |
639 | if (SaPayload != NULL) {\r | |
640 | IkePayloadFree (SaPayload);\r | |
641 | }\r | |
642 | \r | |
643 | if (TsiPayload != NULL) {\r | |
644 | IkePayloadFree (TsiPayload);\r | |
645 | }\r | |
646 | \r | |
647 | if (TsrPayload != NULL) {\r | |
648 | IkePayloadFree (TsrPayload);\r | |
649 | }\r | |
650 | \r | |
651 | if (NotifyPayload != NULL) {\r | |
652 | IkePayloadFree (NotifyPayload);\r | |
653 | }\r | |
654 | \r | |
655 | return NULL; \r | |
9166f840 | 656 | }\r |
657 | \r | |
658 | /**\r | |
659 | Parses IKE_AUTH packet.\r | |
660 | \r | |
661 | @param[in] SaSession Pointer to the IKE_SA_SESSION related to this packet.\r | |
662 | @param[in] IkePacket Pointer to the IKE_AUTH packet to be parsered.\r | |
663 | \r | |
664 | @retval EFI_INVALID_PARAMETER The IKE packet is malformed or the SA \r | |
665 | proposal is unacceptable.\r | |
666 | @retval EFI_SUCCESS The IKE packet is acceptable and the\r | |
667 | relative data is saved for furthure communication.\r | |
668 | \r | |
669 | **/\r | |
670 | EFI_STATUS \r | |
671 | Ikev2AuthPskParser (\r | |
672 | IN UINT8 *SaSession,\r | |
673 | IN IKE_PACKET *IkePacket\r | |
674 | )\r | |
675 | {\r | |
676 | IKEV2_CHILD_SA_SESSION *ChildSaSession;\r | |
677 | IKEV2_SA_SESSION *IkeSaSession;\r | |
678 | IKE_PAYLOAD *IkePayload;\r | |
679 | IKE_PAYLOAD *SaPayload;\r | |
680 | IKE_PAYLOAD *IdiPayload;\r | |
681 | IKE_PAYLOAD *IdrPayload;\r | |
682 | IKE_PAYLOAD *AuthPayload;\r | |
683 | IKE_PAYLOAD *TsiPayload;\r | |
684 | IKE_PAYLOAD *TsrPayload;\r | |
685 | IKE_PAYLOAD *VerifiedAuthPayload;\r | |
686 | LIST_ENTRY *Entry;\r | |
687 | EFI_STATUS Status;\r | |
688 | \r | |
689 | IkeSaSession = (IKEV2_SA_SESSION *) SaSession;\r | |
690 | ChildSaSession = IKEV2_CHILD_SA_SESSION_BY_IKE_SA (GetFirstNode (&IkeSaSession->ChildSaSessionList));\r | |
691 | \r | |
692 | SaPayload = NULL;\r | |
693 | IdiPayload = NULL;\r | |
694 | IdrPayload = NULL;\r | |
695 | AuthPayload = NULL;\r | |
696 | TsiPayload = NULL;\r | |
697 | TsrPayload = NULL;\r | |
698 | \r | |
699 | //\r | |
700 | // Iterate payloads to find the SaPayload/ID/AUTH/TS Payload.\r | |
701 | //\r | |
702 | NET_LIST_FOR_EACH (Entry, &(IkePacket)->PayloadList) {\r | |
703 | IkePayload = IKE_PAYLOAD_BY_PACKET (Entry);\r | |
704 | \r | |
705 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_ID_INIT) {\r | |
706 | IdiPayload = IkePayload;\r | |
707 | }\r | |
708 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_ID_RSP) {\r | |
709 | IdrPayload = IkePayload;\r | |
710 | }\r | |
711 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_SA) {\r | |
712 | SaPayload = IkePayload;\r | |
713 | }\r | |
714 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_AUTH) {\r | |
715 | AuthPayload = IkePayload;\r | |
716 | }\r | |
717 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_TS_INIT) {\r | |
718 | TsiPayload = IkePayload;\r | |
719 | }\r | |
720 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_TS_RSP) {\r | |
721 | TsrPayload = IkePayload;\r | |
722 | }\r | |
723 | }\r | |
724 | \r | |
725 | if ((SaPayload == NULL) || (AuthPayload == NULL) || (TsiPayload == NULL) || (TsrPayload == NULL)) {\r | |
726 | return EFI_INVALID_PARAMETER;\r | |
727 | }\r | |
728 | if ((IdiPayload == NULL) && (IdrPayload == NULL)) {\r | |
729 | return EFI_INVALID_PARAMETER;\r | |
730 | }\r | |
731 | \r | |
732 | //\r | |
733 | // Check IkePacket Header is match the state\r | |
734 | //\r | |
735 | if (IkeSaSession->SessionCommon.IsInitiator) {\r | |
736 | \r | |
737 | //\r | |
738 | // 1. Check the IkePacket->Hdr == IKE_HEADER_FLAGS_RESPOND\r | |
739 | //\r | |
740 | if ((IkePacket->Header->Flags != IKE_HEADER_FLAGS_RESPOND) ||\r | |
741 | (IkePacket->Header->ExchangeType != IKEV2_EXCHANGE_TYPE_AUTH)\r | |
742 | ) {\r | |
743 | return EFI_INVALID_PARAMETER;\r | |
744 | }\r | |
745 | \r | |
746 | } else {\r | |
747 | //\r | |
748 | // 1. Check the IkePacket->Hdr == IKE_HEADER_FLAGS_INIT\r | |
749 | //\r | |
750 | if ((IkePacket->Header->Flags != IKE_HEADER_FLAGS_INIT) ||\r | |
751 | (IkePacket->Header->ExchangeType != IKEV2_EXCHANGE_TYPE_AUTH)\r | |
752 | ) {\r | |
753 | return EFI_INVALID_PARAMETER;\r | |
754 | }\r | |
755 | \r | |
756 | //\r | |
757 | // 2. Parse the SA payload and Key Payload and find out the perferable one\r | |
758 | // and fill in the Sa paramse into CommonSession->SaParams and SaData into\r | |
759 | // IkeSaSession for the responder SA payload generation.\r | |
760 | //\r | |
761 | }\r | |
762 | \r | |
763 | //\r | |
764 | // Verify the Auth Payload.\r | |
765 | //\r | |
766 | VerifiedAuthPayload = Ikev2PskGenerateAuthPayload (\r | |
767 | IkeSaSession,\r | |
768 | IkeSaSession->SessionCommon.IsInitiator ? IdrPayload : IdiPayload,\r | |
769 | IKEV2_PAYLOAD_TYPE_SA,\r | |
770 | TRUE\r | |
771 | );\r | |
772 | if ((VerifiedAuthPayload != NULL) &&\r | |
773 | (0 != CompareMem (\r | |
774 | VerifiedAuthPayload->PayloadBuf + sizeof (IKEV2_COMMON_PAYLOAD_HEADER),\r | |
775 | AuthPayload->PayloadBuf + sizeof (IKEV2_COMMON_PAYLOAD_HEADER),\r | |
776 | VerifiedAuthPayload->PayloadSize - sizeof (IKEV2_COMMON_PAYLOAD_HEADER)\r | |
777 | ))) {\r | |
778 | return EFI_INVALID_PARAMETER;\r | |
779 | };\r | |
780 | \r | |
781 | //\r | |
782 | // 3. Parse the SA Payload to find out the cryptographic suite\r | |
783 | // and fill in the Sa paramse into CommonSession->SaParams. If no acceptable\r | |
784 | // porposal found, return EFI_INVALID_PARAMETER.\r | |
785 | //\r | |
786 | if (!Ikev2ChildSaParseSaPayload (ChildSaSession, SaPayload, IkePacket->Header->Flags)) {\r | |
787 | return EFI_INVALID_PARAMETER;\r | |
788 | }\r | |
789 | \r | |
790 | //\r | |
791 | // 4. Parse TSi, TSr payloads.\r | |
792 | //\r | |
793 | if ((((TRAFFIC_SELECTOR *)(TsiPayload->PayloadBuf + sizeof (IKEV2_TS)))->IpProtocolId !=\r | |
794 | ((TRAFFIC_SELECTOR *)(TsrPayload->PayloadBuf + sizeof (IKEV2_TS)))->IpProtocolId) &&\r | |
795 | (((TRAFFIC_SELECTOR *)(TsiPayload->PayloadBuf + sizeof (IKEV2_TS)))->IpProtocolId != 0) &&\r | |
796 | (((TRAFFIC_SELECTOR *)(TsrPayload->PayloadBuf + sizeof (IKEV2_TS)))->IpProtocolId != 0)\r | |
797 | ) {\r | |
798 | return EFI_INVALID_PARAMETER;\r | |
799 | }\r | |
800 | \r | |
801 | if (!IkeSaSession->SessionCommon.IsInitiator) {\r | |
802 | //\r | |
803 | //TODO:check the Port range. Only support any port and one certain port here.\r | |
804 | //\r | |
805 | ChildSaSession->ProtoId = ((TRAFFIC_SELECTOR *)(TsrPayload->PayloadBuf + sizeof (IKEV2_TS)))->IpProtocolId;\r | |
806 | ChildSaSession->LocalPort = ((TRAFFIC_SELECTOR *)(TsrPayload->PayloadBuf + sizeof (IKEV2_TS)))->StartPort;\r | |
807 | ChildSaSession->RemotePort = ((TRAFFIC_SELECTOR *)(TsiPayload->PayloadBuf + sizeof (IKEV2_TS)))->StartPort;\r | |
808 | //\r | |
809 | // Association a SPD with this SA.\r | |
810 | //\r | |
811 | Status = Ikev2ChildSaAssociateSpdEntry (ChildSaSession);\r | |
812 | if (EFI_ERROR (Status)) {\r | |
813 | return EFI_INVALID_PARAMETER;\r | |
814 | }\r | |
815 | //\r | |
816 | // Associate the IkeSaSession's SPD to the first ChildSaSession's SPD.\r | |
817 | //\r | |
818 | if (ChildSaSession->IkeSaSession->Spd == NULL) {\r | |
819 | ChildSaSession->IkeSaSession->Spd = ChildSaSession->Spd;\r | |
6b16c9e7 JW |
820 | Status = Ikev2ChildSaSessionSpdSelectorCreate (ChildSaSession);\r |
821 | if (EFI_ERROR (Status)) {\r | |
822 | return Status;\r | |
823 | }\r | |
9166f840 | 824 | }\r |
825 | } else {\r | |
826 | //\r | |
827 | //TODO:check the Port range.\r | |
828 | //\r | |
829 | if ((((TRAFFIC_SELECTOR *)(TsrPayload->PayloadBuf + sizeof (IKEV2_TS)))->StartPort != 0) &&\r | |
830 | (((TRAFFIC_SELECTOR *)(TsrPayload->PayloadBuf + sizeof (IKEV2_TS)))->StartPort != ChildSaSession->RemotePort)\r | |
831 | ) {\r | |
832 | return EFI_INVALID_PARAMETER;\r | |
833 | } \r | |
834 | if ((((TRAFFIC_SELECTOR *)(TsiPayload->PayloadBuf + sizeof (IKEV2_TS)))->StartPort != 0) &&\r | |
835 | (((TRAFFIC_SELECTOR *)(TsiPayload->PayloadBuf + sizeof (IKEV2_TS)))->StartPort != ChildSaSession->LocalPort)\r | |
836 | ) {\r | |
837 | return EFI_INVALID_PARAMETER;\r | |
838 | }\r | |
839 | //\r | |
840 | // For the tunnel mode, it should add the vitual IP address into the SA's SPD Selector.\r | |
841 | //\r | |
842 | if (ChildSaSession->Spd->Data->ProcessingPolicy->Mode == EfiIPsecTunnel) {\r | |
843 | if (!ChildSaSession->IkeSaSession->SessionCommon.IsInitiator) {\r | |
844 | //\r | |
845 | // If it is tunnel mode, the UEFI part must be the initiator.\r | |
846 | //\r | |
847 | return EFI_INVALID_PARAMETER;\r | |
848 | }\r | |
849 | //\r | |
850 | // Get the Virtual IP address from the Tsi traffic selector. \r | |
851 | // TODO: check the CFG reply payload\r | |
852 | //\r | |
853 | CopyMem (\r | |
854 | &ChildSaSession->SpdSelector->LocalAddress[0].Address,\r | |
855 | TsiPayload->PayloadBuf + sizeof (IKEV2_TS) + sizeof (TRAFFIC_SELECTOR),\r | |
856 | (ChildSaSession->SessionCommon.UdpService->IpVersion == IP_VERSION_4) ?\r | |
857 | sizeof (EFI_IPv4_ADDRESS) : sizeof (EFI_IPv6_ADDRESS)\r | |
858 | );\r | |
859 | } \r | |
860 | }\r | |
861 | \r | |
862 | //\r | |
863 | // 5. Generate keymats for IPsec protocol.\r | |
864 | //\r | |
6771c1d6 JW |
865 | Status = Ikev2GenerateChildSaKeys (ChildSaSession, NULL);\r |
866 | if (EFI_ERROR (Status)) {\r | |
867 | return Status;\r | |
868 | }\r | |
869 | \r | |
9166f840 | 870 | if (IkeSaSession->SessionCommon.IsInitiator) {\r |
871 | //\r | |
872 | // 6. Change the state of IkeSaSession\r | |
873 | //\r | |
874 | IKEV2_DUMP_STATE (IkeSaSession->SessionCommon.State, IkeStateIkeSaEstablished);\r | |
875 | IkeSaSession->SessionCommon.State = IkeStateIkeSaEstablished;\r | |
876 | }\r | |
877 | \r | |
878 | return EFI_SUCCESS;\r | |
879 | }\r | |
880 | \r | |
881 | /**\r | |
882 | Gernerates IKEv2 packet for IKE_SA_INIT exchange.\r | |
883 | \r | |
884 | @param[in] SaSession Pointer to IKEV2_SA_SESSION related to the exchange.\r | |
885 | @param[in] Context Context Data passed by caller.\r | |
886 | \r | |
887 | @retval EFI_SUCCESS The IKE packet generation succeeded.\r | |
888 | @retval Others The IKE packet generation failed.\r | |
889 | \r | |
890 | **/\r | |
891 | IKE_PACKET*\r | |
892 | Ikev2InitCertGenerator (\r | |
893 | IN UINT8 *SaSession,\r | |
894 | IN VOID *Context\r | |
895 | ) \r | |
896 | {\r | |
897 | IKE_PACKET *IkePacket;\r | |
898 | IKE_PAYLOAD *CertReqPayload;\r | |
899 | LIST_ENTRY *Node;\r | |
900 | IKE_PAYLOAD *NoncePayload;\r | |
901 | \r | |
bfd4204b | 902 | if (!FeaturePcdGet (PcdIpsecCertificateEnabled)) {\r |
9166f840 | 903 | return NULL;\r |
904 | }\r | |
905 | \r | |
906 | //\r | |
907 | // The first two messages exchange is same between PSK and Cert.\r | |
908 | //\r | |
909 | IkePacket = Ikev2InitPskGenerator (SaSession, Context);\r | |
910 | \r | |
911 | if ((IkePacket != NULL) && (!((IKEV2_SA_SESSION *)SaSession)->SessionCommon.IsInitiator)) {\r | |
912 | //\r | |
913 | // Add the Certification Request Payload\r | |
914 | //\r | |
915 | CertReqPayload = Ikev2GenerateCertificatePayload (\r | |
916 | (IKEV2_SA_SESSION *)SaSession,\r | |
917 | IKEV2_PAYLOAD_TYPE_NONE,\r | |
bfd4204b | 918 | (UINT8*)PcdGetPtr(PcdIpsecUefiCaFile),\r |
919 | PcdGet32(PcdIpsecUefiCaFileSize),\r | |
9166f840 | 920 | IKEV2_CERT_ENCODEING_HASH_AND_URL_OF_X509_CERT,\r |
921 | TRUE\r | |
922 | );\r | |
923 | //\r | |
924 | // Change Nonce Payload Next payload type.\r | |
925 | //\r | |
926 | IKE_PACKET_END_PAYLOAD (IkePacket, Node);\r | |
927 | NoncePayload = IKE_PAYLOAD_BY_PACKET (Node);\r | |
928 | ((IKEV2_NONCE *)NoncePayload->PayloadBuf)->Header.NextPayload = IKEV2_PAYLOAD_TYPE_CERTREQ;\r | |
929 | \r | |
930 | //\r | |
931 | // Add Certification Request Payload\r | |
932 | //\r | |
933 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, CertReqPayload);\r | |
934 | }\r | |
935 | \r | |
936 | return IkePacket;\r | |
937 | }\r | |
938 | \r | |
939 | /**\r | |
940 | Parses the IKEv2 packet for IKE_SA_INIT exchange.\r | |
941 | \r | |
942 | @param[in] SaSession Pointer to IKEV2_SA_SESSION related to the exchange.\r | |
943 | @param[in] IkePacket The received IKEv2 packet to be parsed.\r | |
944 | \r | |
945 | @retval EFI_SUCCESS The IKEv2 packet is acceptable and the relative data is\r | |
946 | saved for furthure communication.\r | |
947 | @retval EFI_INVALID_PARAMETER The IKE packet is malformed or the SA proposal is unacceptable. \r | |
948 | @retval EFI_UNSUPPORTED The certificate authentication is not supported.\r | |
949 | \r | |
950 | **/\r | |
951 | EFI_STATUS\r | |
952 | Ikev2InitCertParser (\r | |
953 | IN UINT8 *SaSession,\r | |
954 | IN IKE_PACKET *IkePacket\r | |
955 | )\r | |
956 | {\r | |
bfd4204b | 957 | if (!FeaturePcdGet (PcdIpsecCertificateEnabled)) {\r |
9166f840 | 958 | return EFI_UNSUPPORTED;\r |
959 | } \r | |
960 | \r | |
961 | //\r | |
962 | // The first two messages exchange is same between PSK and Cert.\r | |
963 | // Todo: Parse Certificate Request from responder Initial Exchange. \r | |
964 | //\r | |
965 | return Ikev2InitPskParser (SaSession, IkePacket);\r | |
966 | }\r | |
967 | \r | |
968 | /**\r | |
969 | Generates the IKEv2 packet for IKE_AUTH exchange.\r | |
970 | \r | |
971 | @param[in] SaSession Pointer to IKEV2_SA_SESSION.\r | |
972 | @param[in] Context Context data passed by caller.\r | |
973 | \r | |
974 | @retval Pointer to IKEv2 Packet to be sent out.\r | |
975 | \r | |
976 | **/\r | |
977 | IKE_PACKET *\r | |
978 | Ikev2AuthCertGenerator (\r | |
979 | IN UINT8 *SaSession,\r | |
980 | IN VOID *Context\r | |
981 | )\r | |
982 | {\r | |
983 | IKE_PACKET *IkePacket;\r | |
984 | IKEV2_SA_SESSION *IkeSaSession;\r | |
985 | IKE_PAYLOAD *IdPayload;\r | |
986 | IKE_PAYLOAD *AuthPayload;\r | |
987 | IKE_PAYLOAD *SaPayload;\r | |
988 | IKE_PAYLOAD *TsiPayload;\r | |
989 | IKE_PAYLOAD *TsrPayload;\r | |
990 | IKE_PAYLOAD *NotifyPayload;\r | |
991 | IKE_PAYLOAD *CpPayload;\r | |
992 | IKE_PAYLOAD *CertPayload;\r | |
993 | IKE_PAYLOAD *CertReqPayload;\r | |
994 | IKEV2_CHILD_SA_SESSION *ChildSaSession;\r | |
995 | \r | |
bfd4204b | 996 | if (!FeaturePcdGet (PcdIpsecCertificateEnabled)) {\r |
9166f840 | 997 | return NULL;\r |
998 | }\r | |
999 | \r | |
1000 | IkeSaSession = (IKEV2_SA_SESSION *) SaSession;\r | |
1001 | ChildSaSession = IKEV2_CHILD_SA_SESSION_BY_IKE_SA (GetFirstNode (&IkeSaSession->ChildSaSessionList));\r | |
1002 | \r | |
6771c1d6 JW |
1003 | IkePacket = NULL;\r |
1004 | IdPayload = NULL;\r | |
1005 | AuthPayload = NULL;\r | |
9166f840 | 1006 | CpPayload = NULL;\r |
6771c1d6 JW |
1007 | SaPayload = NULL;\r |
1008 | TsiPayload = NULL;\r | |
1009 | TsrPayload = NULL;\r | |
9166f840 | 1010 | NotifyPayload = NULL;\r |
1011 | CertPayload = NULL;\r | |
1012 | CertReqPayload = NULL;\r | |
1013 | \r | |
1014 | //\r | |
1015 | // 1. Allocate IKE Packet\r | |
1016 | //\r | |
1017 | IkePacket= IkePacketAlloc ();\r | |
6b16c9e7 JW |
1018 | if (IkePacket == NULL) {\r |
1019 | return NULL;\r | |
1020 | }\r | |
9166f840 | 1021 | \r |
1022 | //\r | |
1023 | // 1.a Fill the IkePacket Header.\r | |
1024 | //\r | |
1025 | IkePacket->Header->ExchangeType = IKEV2_EXCHANGE_TYPE_AUTH;\r | |
1026 | IkePacket->Header->InitiatorCookie = IkeSaSession->InitiatorCookie;\r | |
1027 | IkePacket->Header->ResponderCookie = IkeSaSession->ResponderCookie;\r | |
1028 | IkePacket->Header->Version = (UINT8)(2 << 4);\r | |
1029 | if (ChildSaSession->SessionCommon.IsInitiator) {\r | |
1030 | IkePacket->Header->NextPayload = IKEV2_PAYLOAD_TYPE_ID_INIT;\r | |
1031 | } else {\r | |
1032 | IkePacket->Header->NextPayload = IKEV2_PAYLOAD_TYPE_ID_RSP;\r | |
1033 | }\r | |
1034 | \r | |
1035 | //\r | |
1036 | // According to RFC4306_2.2, For the IKE_SA_INIT message the MessageID should\r | |
1037 | // be always number 0 and 1;\r | |
1038 | //\r | |
1039 | IkePacket->Header->MessageId = 1;\r | |
1040 | \r | |
1041 | if (IkeSaSession->SessionCommon.IsInitiator) {\r | |
1042 | IkePacket->Header->Flags = IKE_HEADER_FLAGS_INIT;\r | |
1043 | } else {\r | |
1044 | IkePacket->Header->Flags = IKE_HEADER_FLAGS_RESPOND;\r | |
1045 | }\r | |
1046 | \r | |
1047 | //\r | |
1048 | // 2. Generate ID Payload according to IP version and address.\r | |
1049 | //\r | |
1050 | IdPayload = Ikev2GenerateCertIdPayload (\r | |
1051 | &IkeSaSession->SessionCommon,\r | |
1052 | IKEV2_PAYLOAD_TYPE_CERT,\r | |
bfd4204b | 1053 | (UINT8 *)PcdGetPtr (PcdIpsecUefiCertificate),\r |
1054 | PcdGet32 (PcdIpsecUefiCertificateSize)\r | |
9166f840 | 1055 | );\r |
6771c1d6 JW |
1056 | if (IdPayload == NULL) {\r |
1057 | goto CheckError;\r | |
1058 | }\r | |
9166f840 | 1059 | \r |
1060 | //\r | |
1061 | // 3. Generate Certificate Payload\r | |
1062 | //\r | |
1063 | CertPayload = Ikev2GenerateCertificatePayload (\r | |
1064 | IkeSaSession,\r | |
1065 | (UINT8)(IkeSaSession->SessionCommon.IsInitiator ? IKEV2_PAYLOAD_TYPE_CERTREQ : IKEV2_PAYLOAD_TYPE_AUTH),\r | |
bfd4204b | 1066 | (UINT8 *)PcdGetPtr (PcdIpsecUefiCertificate),\r |
1067 | PcdGet32 (PcdIpsecUefiCertificateSize),\r | |
9166f840 | 1068 | IKEV2_CERT_ENCODEING_X509_CERT_SIGN,\r |
1069 | FALSE\r | |
1070 | );\r | |
6771c1d6 JW |
1071 | if (CertPayload == NULL) {\r |
1072 | goto CheckError;\r | |
1073 | }\r | |
1074 | \r | |
9166f840 | 1075 | if (IkeSaSession->SessionCommon.IsInitiator) {\r |
1076 | CertReqPayload = Ikev2GenerateCertificatePayload (\r | |
1077 | IkeSaSession,\r | |
1078 | IKEV2_PAYLOAD_TYPE_AUTH,\r | |
bfd4204b | 1079 | (UINT8 *)PcdGetPtr (PcdIpsecUefiCertificate),\r |
1080 | PcdGet32 (PcdIpsecUefiCertificateSize),\r | |
9166f840 | 1081 | IKEV2_CERT_ENCODEING_HASH_AND_URL_OF_X509_CERT,\r |
1082 | TRUE\r | |
1083 | );\r | |
6771c1d6 JW |
1084 | if (CertReqPayload == NULL) {\r |
1085 | goto CheckError;\r | |
1086 | } \r | |
9166f840 | 1087 | }\r |
1088 | \r | |
1089 | //\r | |
1090 | // 4. Generate Auth Payload\r | |
1091 | // If it is tunnel mode, should create the configuration payload after the\r | |
1092 | // Auth payload.\r | |
1093 | //\r | |
1094 | if (IkeSaSession->Spd->Data->ProcessingPolicy->Mode == EfiIPsecTransport) {\r | |
1095 | AuthPayload = Ikev2CertGenerateAuthPayload (\r | |
1096 | ChildSaSession->IkeSaSession,\r | |
1097 | IdPayload,\r | |
1098 | IKEV2_PAYLOAD_TYPE_SA,\r | |
1099 | FALSE,\r | |
bfd4204b | 1100 | (UINT8 *)PcdGetPtr (PcdIpsecUefiCertificateKey),\r |
1101 | PcdGet32 (PcdIpsecUefiCertificateKeySize),\r | |
9166f840 | 1102 | ChildSaSession->IkeSaSession->Pad->Data->AuthData,\r |
1103 | ChildSaSession->IkeSaSession->Pad->Data->AuthDataSize\r | |
1104 | );\r | |
1105 | } else {\r | |
1106 | AuthPayload = Ikev2CertGenerateAuthPayload (\r | |
1107 | ChildSaSession->IkeSaSession,\r | |
1108 | IdPayload,\r | |
1109 | IKEV2_PAYLOAD_TYPE_CP,\r | |
1110 | FALSE,\r | |
bfd4204b | 1111 | (UINT8 *)PcdGetPtr (PcdIpsecUefiCertificateKey),\r |
1112 | PcdGet32 (PcdIpsecUefiCertificateKeySize),\r | |
9166f840 | 1113 | ChildSaSession->IkeSaSession->Pad->Data->AuthData,\r |
1114 | ChildSaSession->IkeSaSession->Pad->Data->AuthDataSize\r | |
1115 | );\r | |
1116 | if (IkeSaSession->SessionCommon.UdpService->IpVersion == IP_VERSION_4) {\r | |
1117 | CpPayload = Ikev2GenerateCpPayload (\r | |
1118 | ChildSaSession->IkeSaSession,\r | |
1119 | IKEV2_PAYLOAD_TYPE_SA,\r | |
1120 | IKEV2_CFG_ATTR_INTERNAL_IP4_ADDRESS\r | |
1121 | );\r | |
1122 | } else {\r | |
1123 | CpPayload = Ikev2GenerateCpPayload (\r | |
1124 | ChildSaSession->IkeSaSession,\r | |
1125 | IKEV2_PAYLOAD_TYPE_SA,\r | |
1126 | IKEV2_CFG_ATTR_INTERNAL_IP6_ADDRESS\r | |
1127 | );\r | |
1128 | }\r | |
6771c1d6 JW |
1129 | \r |
1130 | if (CpPayload == NULL) {\r | |
1131 | goto CheckError;\r | |
1132 | } \r | |
9166f840 | 1133 | }\r |
1134 | \r | |
6771c1d6 JW |
1135 | if (AuthPayload == NULL) {\r |
1136 | goto CheckError;\r | |
1137 | } \r | |
1138 | \r | |
9166f840 | 1139 | //\r |
1140 | // 5. Generate SA Payload according to the Sa Data in ChildSaSession\r | |
1141 | //\r | |
1142 | SaPayload = Ikev2GenerateSaPayload (\r | |
1143 | ChildSaSession->SaData,\r | |
1144 | IKEV2_PAYLOAD_TYPE_TS_INIT,\r | |
1145 | IkeSessionTypeChildSa\r | |
1146 | );\r | |
6771c1d6 JW |
1147 | if (SaPayload == NULL) {\r |
1148 | goto CheckError;\r | |
1149 | }\r | |
9166f840 | 1150 | \r |
1151 | if (IkeSaSession->Spd->Data->ProcessingPolicy->Mode == EfiIPsecTransport) {\r | |
1152 | //\r | |
1153 | // Generate Tsi and Tsr.\r | |
1154 | //\r | |
1155 | TsiPayload = Ikev2GenerateTsPayload (\r | |
1156 | ChildSaSession,\r | |
1157 | IKEV2_PAYLOAD_TYPE_TS_RSP,\r | |
1158 | FALSE\r | |
1159 | );\r | |
1160 | \r | |
1161 | TsrPayload = Ikev2GenerateTsPayload (\r | |
1162 | ChildSaSession,\r | |
1163 | IKEV2_PAYLOAD_TYPE_NOTIFY,\r | |
1164 | FALSE\r | |
1165 | );\r | |
1166 | \r | |
1167 | //\r | |
1168 | // Generate Notify Payload. If transport mode, there should have Notify \r | |
1169 | // payload with TRANSPORT_MODE notification.\r | |
1170 | //\r | |
1171 | NotifyPayload = Ikev2GenerateNotifyPayload (\r | |
1172 | 0,\r | |
1173 | IKEV2_PAYLOAD_TYPE_NONE,\r | |
1174 | 0,\r | |
1175 | IKEV2_NOTIFICATION_USE_TRANSPORT_MODE,\r | |
1176 | NULL,\r | |
1177 | NULL,\r | |
1178 | 0\r | |
1179 | );\r | |
6771c1d6 JW |
1180 | if (NotifyPayload == NULL) {\r |
1181 | goto CheckError;\r | |
1182 | }\r | |
9166f840 | 1183 | } else {\r |
1184 | //\r | |
1185 | // Generate Tsr for Tunnel mode.\r | |
1186 | //\r | |
1187 | TsiPayload = Ikev2GenerateTsPayload (\r | |
1188 | ChildSaSession,\r | |
1189 | IKEV2_PAYLOAD_TYPE_TS_RSP,\r | |
1190 | TRUE\r | |
1191 | );\r | |
1192 | TsrPayload = Ikev2GenerateTsPayload (\r | |
1193 | ChildSaSession,\r | |
1194 | IKEV2_PAYLOAD_TYPE_NONE,\r | |
1195 | FALSE\r | |
1196 | );\r | |
1197 | }\r | |
1198 | \r | |
6771c1d6 JW |
1199 | if (TsiPayload == NULL || TsrPayload == NULL) {\r |
1200 | goto CheckError;\r | |
1201 | }\r | |
1202 | \r | |
9166f840 | 1203 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, IdPayload);\r |
1204 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, CertPayload);\r | |
1205 | if (IkeSaSession->SessionCommon.IsInitiator) {\r | |
1206 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, CertReqPayload);\r | |
1207 | }\r | |
1208 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, AuthPayload);\r | |
1209 | if (IkeSaSession->Spd->Data->ProcessingPolicy->Mode == EfiIPsecTunnel) {\r | |
1210 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, CpPayload);\r | |
1211 | }\r | |
1212 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, SaPayload);\r | |
1213 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, TsiPayload);\r | |
1214 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, TsrPayload);\r | |
1215 | if (IkeSaSession->Spd->Data->ProcessingPolicy->Mode == EfiIPsecTransport) {\r | |
1216 | IKE_PACKET_APPEND_PAYLOAD (IkePacket, NotifyPayload);\r | |
1217 | }\r | |
1218 | \r | |
1219 | return IkePacket;\r | |
6771c1d6 JW |
1220 | \r |
1221 | CheckError:\r | |
1222 | if (IkePacket != NULL) {\r | |
1223 | IkePacketFree (IkePacket);\r | |
1224 | }\r | |
1225 | \r | |
1226 | if (IdPayload != NULL) {\r | |
1227 | IkePayloadFree (IdPayload);\r | |
1228 | }\r | |
1229 | \r | |
1230 | if (CertPayload != NULL) {\r | |
1231 | IkePayloadFree (CertPayload);\r | |
1232 | }\r | |
1233 | \r | |
1234 | if (CertReqPayload != NULL) {\r | |
1235 | IkePayloadFree (CertReqPayload);\r | |
1236 | }\r | |
1237 | \r | |
1238 | if (AuthPayload != NULL) {\r | |
1239 | IkePayloadFree (AuthPayload);\r | |
1240 | }\r | |
1241 | \r | |
1242 | if (CpPayload != NULL) {\r | |
1243 | IkePayloadFree (CpPayload);\r | |
1244 | }\r | |
1245 | \r | |
1246 | if (SaPayload != NULL) {\r | |
1247 | IkePayloadFree (SaPayload);\r | |
1248 | }\r | |
1249 | \r | |
1250 | if (TsiPayload != NULL) {\r | |
1251 | IkePayloadFree (TsiPayload);\r | |
1252 | }\r | |
1253 | \r | |
1254 | if (TsrPayload != NULL) {\r | |
1255 | IkePayloadFree (TsrPayload);\r | |
1256 | }\r | |
1257 | \r | |
1258 | if (NotifyPayload != NULL) {\r | |
1259 | IkePayloadFree (NotifyPayload);\r | |
1260 | }\r | |
1261 | \r | |
1262 | return NULL; \r | |
9166f840 | 1263 | }\r |
1264 | \r | |
1265 | /**\r | |
1266 | Parses IKE_AUTH packet.\r | |
1267 | \r | |
1268 | @param[in] SaSession Pointer to the IKE_SA_SESSION related to this packet.\r | |
1269 | @param[in] IkePacket Pointer to the IKE_AUTH packet to be parsered.\r | |
1270 | \r | |
1271 | @retval EFI_INVALID_PARAMETER The IKEv2 packet is malformed or the SA\r | |
1272 | proposal is unacceptable.\r | |
1273 | @retval EFI_SUCCESS The IKE packet is acceptable and the\r | |
1274 | relative data is saved for furthure communication.\r | |
1275 | @retval EFI_UNSUPPORTED The certificate authentication is not supported.\r | |
1276 | \r | |
1277 | **/\r | |
1278 | EFI_STATUS\r | |
1279 | Ikev2AuthCertParser (\r | |
1280 | IN UINT8 *SaSession,\r | |
1281 | IN IKE_PACKET *IkePacket\r | |
1282 | )\r | |
1283 | {\r | |
1284 | IKEV2_CHILD_SA_SESSION *ChildSaSession;\r | |
1285 | IKEV2_SA_SESSION *IkeSaSession;\r | |
1286 | IKE_PAYLOAD *IkePayload;\r | |
1287 | IKE_PAYLOAD *SaPayload;\r | |
1288 | IKE_PAYLOAD *IdiPayload;\r | |
1289 | IKE_PAYLOAD *IdrPayload;\r | |
1290 | IKE_PAYLOAD *AuthPayload;\r | |
1291 | IKE_PAYLOAD *TsiPayload;\r | |
1292 | IKE_PAYLOAD *TsrPayload;\r | |
1293 | IKE_PAYLOAD *CertPayload;\r | |
9166f840 | 1294 | IKE_PAYLOAD *VerifiedAuthPayload;\r |
1295 | LIST_ENTRY *Entry;\r | |
1296 | EFI_STATUS Status;\r | |
1297 | \r | |
bfd4204b | 1298 | if (!FeaturePcdGet (PcdIpsecCertificateEnabled)) {\r |
9166f840 | 1299 | return EFI_UNSUPPORTED;\r |
1300 | }\r | |
1301 | \r | |
1302 | IkeSaSession = (IKEV2_SA_SESSION *) SaSession;\r | |
1303 | ChildSaSession = IKEV2_CHILD_SA_SESSION_BY_IKE_SA (GetFirstNode (&IkeSaSession->ChildSaSessionList));\r | |
1304 | \r | |
1305 | SaPayload = NULL;\r | |
1306 | IdiPayload = NULL;\r | |
1307 | IdrPayload = NULL;\r | |
1308 | AuthPayload = NULL;\r | |
1309 | TsiPayload = NULL;\r | |
1310 | TsrPayload = NULL;\r | |
1311 | CertPayload = NULL;\r | |
9166f840 | 1312 | VerifiedAuthPayload = NULL;\r |
1313 | Status = EFI_INVALID_PARAMETER;\r | |
1314 | \r | |
1315 | //\r | |
1316 | // Iterate payloads to find the SaPayload/ID/AUTH/TS Payload.\r | |
1317 | //\r | |
1318 | NET_LIST_FOR_EACH (Entry, &(IkePacket)->PayloadList) {\r | |
1319 | IkePayload = IKE_PAYLOAD_BY_PACKET (Entry);\r | |
1320 | \r | |
1321 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_ID_INIT) {\r | |
1322 | IdiPayload = IkePayload;\r | |
1323 | }\r | |
1324 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_ID_RSP) {\r | |
1325 | IdrPayload = IkePayload;\r | |
1326 | }\r | |
1327 | \r | |
1328 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_SA) {\r | |
1329 | SaPayload = IkePayload;\r | |
1330 | }\r | |
1331 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_AUTH) {\r | |
1332 | AuthPayload = IkePayload;\r | |
1333 | }\r | |
1334 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_TS_INIT) {\r | |
1335 | TsiPayload = IkePayload;\r | |
1336 | }\r | |
1337 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_TS_RSP) {\r | |
1338 | TsrPayload = IkePayload;\r | |
1339 | }\r | |
1340 | if (IkePayload->PayloadType == IKEV2_PAYLOAD_TYPE_CERT) {\r | |
1341 | CertPayload = IkePayload;\r | |
1342 | }\r | |
9166f840 | 1343 | }\r |
1344 | \r | |
1345 | if ((SaPayload == NULL) || (AuthPayload == NULL) || (TsiPayload == NULL) || \r | |
1346 | (TsrPayload == NULL) || (CertPayload == NULL)) {\r | |
1347 | goto Exit;\r | |
1348 | }\r | |
1349 | if ((IdiPayload == NULL) && (IdrPayload == NULL)) {\r | |
1350 | goto Exit;\r | |
1351 | }\r | |
1352 | \r | |
1353 | //\r | |
1354 | // Check IkePacket Header is match the state\r | |
1355 | //\r | |
1356 | if (IkeSaSession->SessionCommon.IsInitiator) {\r | |
1357 | \r | |
1358 | //\r | |
1359 | // 1. Check the IkePacket->Hdr == IKE_HEADER_FLAGS_RESPOND\r | |
1360 | //\r | |
1361 | if ((IkePacket->Header->Flags != IKE_HEADER_FLAGS_RESPOND) ||\r | |
1362 | (IkePacket->Header->ExchangeType != IKEV2_EXCHANGE_TYPE_AUTH)) {\r | |
1363 | goto Exit;\r | |
1364 | }\r | |
1365 | } else {\r | |
1366 | //\r | |
1367 | // 1. Check the IkePacket->Hdr == IKE_HEADER_FLAGS_INIT\r | |
1368 | //\r | |
1369 | if ((IkePacket->Header->Flags != IKE_HEADER_FLAGS_INIT) ||\r | |
1370 | (IkePacket->Header->ExchangeType != IKEV2_EXCHANGE_TYPE_AUTH)) {\r | |
1371 | goto Exit;\r | |
1372 | }\r | |
1373 | }\r | |
1374 | \r | |
1375 | //\r | |
1376 | // Verify the Auth Payload.\r | |
1377 | //\r | |
1378 | VerifiedAuthPayload = Ikev2CertGenerateAuthPayload (\r | |
1379 | IkeSaSession,\r | |
1380 | IkeSaSession->SessionCommon.IsInitiator ? IdrPayload:IdiPayload,\r | |
1381 | IKEV2_PAYLOAD_TYPE_SA,\r | |
1382 | TRUE,\r | |
1383 | NULL,\r | |
1384 | 0,\r | |
1385 | NULL,\r | |
1386 | 0\r | |
1387 | );\r | |
1388 | \r | |
1389 | if ((VerifiedAuthPayload != NULL) &&\r | |
1390 | (!IpSecCryptoIoVerifySignDataByCertificate (\r | |
1391 | CertPayload->PayloadBuf + sizeof (IKEV2_CERT),\r | |
1392 | CertPayload->PayloadSize - sizeof (IKEV2_CERT),\r | |
bfd4204b | 1393 | (UINT8 *)PcdGetPtr (PcdIpsecUefiCaFile),\r |
1394 | PcdGet32 (PcdIpsecUefiCaFileSize),\r | |
9166f840 | 1395 | VerifiedAuthPayload->PayloadBuf + sizeof (IKEV2_AUTH),\r |
1396 | VerifiedAuthPayload->PayloadSize - sizeof (IKEV2_AUTH),\r | |
1397 | AuthPayload->PayloadBuf + sizeof (IKEV2_AUTH),\r | |
1398 | AuthPayload->PayloadSize - sizeof (IKEV2_AUTH)\r | |
1399 | ))) {\r | |
1400 | goto Exit;\r | |
1401 | }\r | |
1402 | \r | |
1403 | //\r | |
1404 | // 3. Parse the SA Payload to find out the cryptographic suite\r | |
1405 | // and fill in the SA paramse into CommonSession->SaParams. If no acceptable\r | |
1406 | // porposal found, return EFI_INVALID_PARAMETER.\r | |
1407 | //\r | |
1408 | if (!Ikev2ChildSaParseSaPayload (ChildSaSession, SaPayload, IkePacket->Header->Flags)) {\r | |
1409 | goto Exit;\r | |
1410 | }\r | |
1411 | \r | |
1412 | //\r | |
1413 | // 4. Parse TSi, TSr payloads.\r | |
1414 | //\r | |
1415 | if ((((TRAFFIC_SELECTOR *)(TsiPayload->PayloadBuf + sizeof (IKEV2_TS)))->IpProtocolId !=\r | |
1416 | ((TRAFFIC_SELECTOR *)(TsrPayload->PayloadBuf + sizeof (IKEV2_TS)))->IpProtocolId) &&\r | |
1417 | (((TRAFFIC_SELECTOR *)(TsiPayload->PayloadBuf + sizeof (IKEV2_TS)))->IpProtocolId != 0) &&\r | |
1418 | (((TRAFFIC_SELECTOR *)(TsrPayload->PayloadBuf + sizeof (IKEV2_TS)))->IpProtocolId != 0)\r | |
1419 | ) {\r | |
1420 | goto Exit;\r | |
1421 | }\r | |
1422 | \r | |
1423 | if (!IkeSaSession->SessionCommon.IsInitiator) {\r | |
1424 | //\r | |
1425 | //Todo:check the Port range. Only support any port and one certain port here.\r | |
1426 | //\r | |
1427 | ChildSaSession->ProtoId = ((TRAFFIC_SELECTOR *)(TsrPayload->PayloadBuf + sizeof (IKEV2_TS)))->IpProtocolId;\r | |
1428 | ChildSaSession->LocalPort = ((TRAFFIC_SELECTOR *)(TsrPayload->PayloadBuf + sizeof (IKEV2_TS)))->StartPort;\r | |
1429 | ChildSaSession->RemotePort = ((TRAFFIC_SELECTOR *)(TsiPayload->PayloadBuf + sizeof (IKEV2_TS)))->StartPort;\r | |
1430 | //\r | |
1431 | // Association a SPD with this SA.\r | |
1432 | //\r | |
1433 | if (EFI_ERROR (Ikev2ChildSaAssociateSpdEntry (ChildSaSession))) {\r | |
1434 | goto Exit;\r | |
1435 | }\r | |
1436 | //\r | |
1437 | // Associate the IkeSaSession's SPD to the first ChildSaSession's SPD.\r | |
1438 | //\r | |
1439 | if (ChildSaSession->IkeSaSession->Spd == NULL) {\r | |
1440 | ChildSaSession->IkeSaSession->Spd = ChildSaSession->Spd;\r | |
6b16c9e7 JW |
1441 | Status = Ikev2ChildSaSessionSpdSelectorCreate (ChildSaSession);\r |
1442 | if (EFI_ERROR (Status)) {\r | |
1443 | goto Exit;\r | |
1444 | }\r | |
9166f840 | 1445 | }\r |
1446 | } else {\r | |
1447 | //\r | |
1448 | // Todo:check the Port range.\r | |
1449 | //\r | |
1450 | if ((((TRAFFIC_SELECTOR *)(TsrPayload->PayloadBuf + sizeof (IKEV2_TS)))->StartPort != 0) &&\r | |
1451 | (((TRAFFIC_SELECTOR *)(TsrPayload->PayloadBuf + sizeof (IKEV2_TS)))->StartPort != ChildSaSession->RemotePort)\r | |
1452 | ) {\r | |
1453 | goto Exit;\r | |
1454 | } \r | |
1455 | if ((((TRAFFIC_SELECTOR *)(TsiPayload->PayloadBuf + sizeof (IKEV2_TS)))->StartPort != 0) &&\r | |
1456 | (((TRAFFIC_SELECTOR *)(TsiPayload->PayloadBuf + sizeof (IKEV2_TS)))->StartPort != ChildSaSession->LocalPort)\r | |
1457 | ) {\r | |
1458 | goto Exit;\r | |
1459 | }\r | |
1460 | //\r | |
1461 | // For the tunnel mode, it should add the vitual IP address into the SA's SPD Selector.\r | |
1462 | //\r | |
1463 | if (ChildSaSession->Spd->Data->ProcessingPolicy->Mode == EfiIPsecTunnel) {\r | |
1464 | if (!ChildSaSession->IkeSaSession->SessionCommon.IsInitiator) {\r | |
1465 | //\r | |
1466 | // If it is tunnel mode, the UEFI part must be the initiator.\r | |
1467 | //\r | |
1468 | goto Exit;\r | |
1469 | }\r | |
1470 | //\r | |
1471 | // Get the Virtual IP address from the Tsi traffic selector. \r | |
1472 | // TODO: check the CFG reply payload\r | |
1473 | //\r | |
1474 | CopyMem (\r | |
1475 | &ChildSaSession->SpdSelector->LocalAddress[0].Address,\r | |
1476 | TsiPayload->PayloadBuf + sizeof (IKEV2_TS) + sizeof (TRAFFIC_SELECTOR),\r | |
1477 | (ChildSaSession->SessionCommon.UdpService->IpVersion == IP_VERSION_4) ?\r | |
1478 | sizeof (EFI_IPv4_ADDRESS) : sizeof (EFI_IPv6_ADDRESS)\r | |
1479 | );\r | |
1480 | }\r | |
1481 | }\r | |
1482 | \r | |
1483 | //\r | |
1484 | // 5. Generat keymats for IPsec protocol.\r | |
1485 | //\r | |
6771c1d6 JW |
1486 | Status = Ikev2GenerateChildSaKeys (ChildSaSession, NULL);\r |
1487 | if (EFI_ERROR (Status)) {\r | |
1488 | goto Exit;\r | |
1489 | }\r | |
1490 | \r | |
9166f840 | 1491 | if (IkeSaSession->SessionCommon.IsInitiator) {\r |
1492 | //\r | |
1493 | // 6. Change the state of IkeSaSession\r | |
1494 | //\r | |
1495 | IKEV2_DUMP_STATE (IkeSaSession->SessionCommon.State, IkeStateIkeSaEstablished);\r | |
1496 | IkeSaSession->SessionCommon.State = IkeStateIkeSaEstablished;\r | |
1497 | }\r | |
1498 | \r | |
1499 | Status = EFI_SUCCESS;\r | |
1500 | \r | |
1501 | Exit:\r | |
1502 | if (VerifiedAuthPayload != NULL) {\r | |
1503 | IkePayloadFree (VerifiedAuthPayload);\r | |
1504 | }\r | |
1505 | return Status;\r | |
1506 | }\r | |
1507 | \r | |
1508 | /**\r | |
1509 | Generates the DH Public Key.\r | |
1510 | \r | |
1511 | This generates the DH local public key and store it in the IKE SA Session's GxBuffer.\r | |
1512 | \r | |
1513 | @param[in] IkeSaSession Pointer to related IKE SA Session.\r | |
1514 | \r | |
1515 | @retval EFI_SUCCESS The operation succeeded.\r | |
1516 | @retval Others The operation failed.\r | |
1517 | \r | |
1518 | **/\r | |
1519 | EFI_STATUS\r | |
1520 | Ikev2GenerateSaDhPublicKey (\r | |
1521 | IN IKEV2_SA_SESSION *IkeSaSession\r | |
1522 | )\r | |
1523 | {\r | |
1524 | EFI_STATUS Status;\r | |
1525 | IKEV2_SESSION_KEYS *IkeKeys;\r | |
1526 | \r | |
1527 | IkeSaSession->IkeKeys = AllocateZeroPool (sizeof (IKEV2_SESSION_KEYS));\r | |
6b16c9e7 JW |
1528 | if (IkeSaSession->IkeKeys == NULL) {\r |
1529 | return EFI_OUT_OF_RESOURCES;\r | |
1530 | }\r | |
1531 | \r | |
9166f840 | 1532 | IkeKeys = IkeSaSession->IkeKeys;\r |
1533 | IkeKeys->DhBuffer = AllocateZeroPool (sizeof (IKEV2_DH_BUFFER));\r | |
6b16c9e7 JW |
1534 | if (IkeKeys->DhBuffer == NULL) {\r |
1535 | FreePool (IkeSaSession->IkeKeys);\r | |
1536 | return EFI_OUT_OF_RESOURCES;\r | |
1537 | }\r | |
9166f840 | 1538 | \r |
1539 | //\r | |
1540 | // Init DH with the certain DH Group Description.\r | |
1541 | //\r | |
1542 | IkeKeys->DhBuffer->GxSize = OakleyModpGroup[(UINT8)IkeSaSession->SessionCommon.PreferDhGroup].Size >> 3;\r | |
1543 | IkeKeys->DhBuffer->GxBuffer = AllocateZeroPool (IkeKeys->DhBuffer->GxSize);\r | |
6b16c9e7 JW |
1544 | if (IkeKeys->DhBuffer->GxBuffer == NULL) {\r |
1545 | FreePool (IkeKeys->DhBuffer);\r | |
1546 | FreePool (IkeSaSession->IkeKeys);\r | |
1547 | return EFI_OUT_OF_RESOURCES;\r | |
1548 | }\r | |
9166f840 | 1549 | \r |
1550 | //\r | |
1551 | // Get X PublicKey\r | |
1552 | //\r | |
1553 | Status = IpSecCryptoIoDhGetPublicKey (\r | |
1554 | &IkeKeys->DhBuffer->DhContext,\r | |
1555 | OakleyModpGroup[(UINT8)IkeSaSession->SessionCommon.PreferDhGroup].GroupGenerator,\r | |
1556 | OakleyModpGroup[(UINT8)IkeSaSession->SessionCommon.PreferDhGroup].Size,\r | |
1557 | OakleyModpGroup[(UINT8)IkeSaSession->SessionCommon.PreferDhGroup].Modulus,\r | |
1558 | IkeKeys->DhBuffer->GxBuffer,\r | |
1559 | &IkeKeys->DhBuffer->GxSize\r | |
1560 | );\r | |
1561 | if (EFI_ERROR (Status)) {\r | |
1562 | DEBUG ((DEBUG_ERROR, "Error CPLKeyManGetKeyParam X public key error Status = %r\n", Status));\r | |
6b16c9e7 JW |
1563 | \r |
1564 | FreePool (IkeKeys->DhBuffer->GxBuffer);\r | |
1565 | \r | |
1566 | FreePool (IkeKeys->DhBuffer);\r | |
1567 | \r | |
1568 | FreePool (IkeSaSession->IkeKeys);\r | |
1569 | \r | |
9166f840 | 1570 | return Status;\r |
1571 | }\r | |
1572 | \r | |
1573 | IPSEC_DUMP_BUF ("DH Public Key (g^x) Dump", IkeKeys->DhBuffer->GxBuffer, IkeKeys->DhBuffer->GxSize);\r | |
1574 | \r | |
1575 | return EFI_SUCCESS;\r | |
1576 | }\r | |
1577 | \r | |
1578 | /**\r | |
1579 | Computes the DH Shared/Exchange Key.\r | |
1580 | \r | |
1581 | Given peer's public key, this function computes the exchanged common key and\r | |
1582 | stores it in the IKEv2 SA Session's GxyBuffer.\r | |
1583 | \r | |
1584 | @param[in] DhBuffer Pointer to buffer of peer's puliic key.\r | |
1585 | @param[in] KePayload Pointer to received key payload.\r | |
1586 | \r | |
1587 | @retval EFI_SUCCESS The operation succeeded.\r | |
1588 | @retval Otherwise The operation failed.\r | |
1589 | \r | |
1590 | **/\r | |
1591 | EFI_STATUS\r | |
1592 | Ikev2GenerateSaDhComputeKey (\r | |
1593 | IN IKEV2_DH_BUFFER *DhBuffer,\r | |
1594 | IN IKE_PAYLOAD *KePayload\r | |
1595 | )\r | |
1596 | {\r | |
1597 | EFI_STATUS Status;\r | |
1598 | IKEV2_KEY_EXCHANGE *Ke;\r | |
1599 | UINT8 *PubKey;\r | |
1600 | UINTN PubKeySize;\r | |
1601 | \r | |
1602 | Ke = (IKEV2_KEY_EXCHANGE *) KePayload->PayloadBuf;\r | |
1603 | PubKey = (UINT8 *) (Ke + 1);\r | |
1604 | PubKeySize = KePayload->PayloadSize - sizeof (IKEV2_KEY_EXCHANGE);\r | |
1605 | DhBuffer->GxySize = DhBuffer->GxSize;\r | |
1606 | DhBuffer->GxyBuffer = AllocateZeroPool (DhBuffer->GxySize);\r | |
6b16c9e7 JW |
1607 | if (DhBuffer->GxyBuffer == NULL) {\r |
1608 | return EFI_OUT_OF_RESOURCES;\r | |
1609 | }\r | |
9166f840 | 1610 | \r |
1611 | //\r | |
1612 | // Get GxyBuf\r | |
1613 | //\r | |
1614 | Status = IpSecCryptoIoDhComputeKey (\r | |
1615 | DhBuffer->DhContext,\r | |
1616 | PubKey,\r | |
1617 | PubKeySize,\r | |
1618 | DhBuffer->GxyBuffer,\r | |
1619 | &DhBuffer->GxySize\r | |
1620 | );\r | |
1621 | if (EFI_ERROR (Status)) {\r | |
1622 | DEBUG ((DEBUG_ERROR, "Error CPLKeyManGetKeyParam Y session key error Status = %r\n", Status));\r | |
6b16c9e7 JW |
1623 | \r |
1624 | FreePool (DhBuffer->GxyBuffer);\r | |
1625 | \r | |
9166f840 | 1626 | return Status;\r |
1627 | }\r | |
1628 | \r | |
1629 | //\r | |
1630 | // Create GxyBuf.\r | |
1631 | //\r | |
1632 | DhBuffer->GySize = PubKeySize;\r | |
1633 | DhBuffer->GyBuffer = AllocateZeroPool (DhBuffer->GySize);\r | |
6b16c9e7 JW |
1634 | if (DhBuffer->GyBuffer == NULL) {\r |
1635 | FreePool (DhBuffer->GxyBuffer);\r | |
1636 | \r | |
1637 | return Status;\r | |
1638 | }\r | |
1639 | \r | |
9166f840 | 1640 | CopyMem (DhBuffer->GyBuffer, PubKey, DhBuffer->GySize);\r |
1641 | \r | |
1642 | IPSEC_DUMP_BUF ("DH Public Key (g^y) Dump", DhBuffer->GyBuffer, DhBuffer->GySize);\r | |
1643 | IPSEC_DUMP_BUF ("DH Shared Key (g^xy) Dump", DhBuffer->GxyBuffer, DhBuffer->GxySize);\r | |
1644 | \r | |
1645 | return EFI_SUCCESS;\r | |
1646 | }\r | |
1647 | \r | |
1648 | /**\r | |
1649 | Generates the IKE SKEYSEED and seven other secrets. SK_d, SK_ai, SK_ar, SK_ei, SK_er,\r | |
1650 | SK_pi, SK_pr are keys for the furthure IKE exchange.\r | |
1651 | \r | |
1652 | @param[in] IkeSaSession Pointer to IKE SA Session.\r | |
1653 | @param[in] KePayload Pointer to Key payload used to generate the Key.\r | |
1654 | \r | |
1655 | @retval EFI_UNSUPPORTED If one or more Algorithm Id is not supported.\r | |
1656 | @retval EFI_OUT_OF_RESOURCES If there is no enough resource to be allocated to\r | |
1657 | meet the requirement.\r | |
1658 | @retval EFI_SUCCESS The operation succeeded.\r | |
1659 | \r | |
1660 | **/\r | |
1661 | EFI_STATUS\r | |
1662 | Ikev2GenerateSaKeys (\r | |
1663 | IN IKEV2_SA_SESSION *IkeSaSession,\r | |
1664 | IN IKE_PAYLOAD *KePayload\r | |
1665 | )\r | |
1666 | {\r | |
1667 | EFI_STATUS Status;\r | |
1668 | IKEV2_SA_PARAMS *SaParams;\r | |
9166f840 | 1669 | PRF_DATA_FRAGMENT Fragments[4];\r |
1670 | UINT64 InitiatorCookieNet;\r | |
1671 | UINT64 ResponderCookieNet;\r | |
1672 | UINT8 *KeyBuffer;\r | |
1673 | UINTN KeyBufferSize;\r | |
1674 | UINTN AuthAlgKeyLen;\r | |
1675 | UINTN EncryptAlgKeyLen;\r | |
1676 | UINTN IntegrityAlgKeyLen;\r | |
1677 | UINTN PrfAlgKeyLen;\r | |
1678 | UINT8 *OutputKey;\r | |
1679 | UINTN OutputKeyLength;\r | |
1680 | UINT8 *Digest;\r | |
1681 | UINTN DigestSize;\r | |
1682 | \r | |
1683 | Digest = NULL;\r | |
1684 | OutputKey = NULL;\r | |
1685 | KeyBuffer = NULL;\r | |
02a758cb | 1686 | Status = EFI_SUCCESS;\r |
9166f840 | 1687 | \r |
1688 | //\r | |
1689 | // Generate Gxy\r | |
1690 | //\r | |
6771c1d6 JW |
1691 | Status = Ikev2GenerateSaDhComputeKey (IkeSaSession->IkeKeys->DhBuffer, KePayload);\r |
1692 | if (EFI_ERROR (Status)) {\r | |
1693 | goto Exit;\r | |
1694 | }\r | |
9166f840 | 1695 | \r |
9166f840 | 1696 | //\r |
1697 | // Get the key length of Authenticaion, Encryption, PRF, and Integrity.\r | |
1698 | //\r | |
1699 | SaParams = IkeSaSession->SessionCommon.SaParams;\r | |
1700 | AuthAlgKeyLen = IpSecGetHmacDigestLength ((UINT8)SaParams->Prf);\r | |
1701 | EncryptAlgKeyLen = IpSecGetEncryptKeyLength ((UINT8)SaParams->EncAlgId);\r | |
1702 | IntegrityAlgKeyLen = IpSecGetHmacDigestLength ((UINT8)SaParams->IntegAlgId);\r | |
1703 | PrfAlgKeyLen = IpSecGetHmacDigestLength ((UINT8)SaParams->Prf);\r | |
1704 | \r | |
1705 | //\r | |
1706 | // If one or more algorithm is not support, return EFI_UNSUPPORTED.\r | |
1707 | //\r | |
1708 | if (AuthAlgKeyLen == 0 || \r | |
1709 | EncryptAlgKeyLen == 0 ||\r | |
1710 | IntegrityAlgKeyLen == 0 ||\r | |
1711 | PrfAlgKeyLen == 0\r | |
1712 | ) {\r | |
1713 | Status = EFI_UNSUPPORTED;\r | |
1714 | goto Exit;\r | |
1715 | }\r | |
1716 | \r | |
1717 | //\r | |
1718 | // Compute SKEYSEED = prf(Ni | Nr, g^ir)\r | |
1719 | //\r | |
1720 | KeyBufferSize = IkeSaSession->NiBlkSize + IkeSaSession->NrBlkSize;\r | |
1721 | KeyBuffer = AllocateZeroPool (KeyBufferSize);\r | |
6b16c9e7 JW |
1722 | if (KeyBuffer == NULL) {\r |
1723 | Status = EFI_OUT_OF_RESOURCES;\r | |
1724 | goto Exit;\r | |
1725 | }\r | |
9166f840 | 1726 | \r |
1727 | CopyMem (KeyBuffer, IkeSaSession->NiBlock, IkeSaSession->NiBlkSize);\r | |
1728 | CopyMem (KeyBuffer + IkeSaSession->NiBlkSize, IkeSaSession->NrBlock, IkeSaSession->NrBlkSize);\r | |
1729 | \r | |
1730 | Fragments[0].Data = IkeSaSession->IkeKeys->DhBuffer->GxyBuffer;\r | |
1731 | Fragments[0].DataSize = IkeSaSession->IkeKeys->DhBuffer->GxySize;\r | |
1732 | \r | |
1733 | DigestSize = IpSecGetHmacDigestLength ((UINT8)SaParams->Prf);\r | |
1734 | Digest = AllocateZeroPool (DigestSize);\r | |
1735 | \r | |
1736 | if (Digest == NULL) {\r | |
1737 | Status = EFI_OUT_OF_RESOURCES;\r | |
1738 | goto Exit;\r | |
1739 | }\r | |
1740 | \r | |
1741 | IpSecCryptoIoHmac (\r | |
1742 | (UINT8)SaParams->Prf,\r | |
1743 | KeyBuffer,\r | |
1744 | KeyBufferSize,\r | |
1745 | (HASH_DATA_FRAGMENT *) Fragments,\r | |
1746 | 1,\r | |
1747 | Digest,\r | |
1748 | DigestSize\r | |
1749 | );\r | |
1750 | \r | |
1751 | //\r | |
1752 | // {SK_d | SK_ai | SK_ar | SK_ei | SK_er | SK_pi | SK_pr } = prf+\r | |
1753 | // (SKEYSEED, Ni | Nr | SPIi | SPIr )\r | |
1754 | //\r | |
1755 | Fragments[0].Data = IkeSaSession->NiBlock;\r | |
1756 | Fragments[0].DataSize = IkeSaSession->NiBlkSize;\r | |
1757 | Fragments[1].Data = IkeSaSession->NrBlock;\r | |
1758 | Fragments[1].DataSize = IkeSaSession->NrBlkSize;\r | |
1759 | InitiatorCookieNet = HTONLL (IkeSaSession->InitiatorCookie);\r | |
1760 | ResponderCookieNet = HTONLL (IkeSaSession->ResponderCookie);\r | |
1761 | Fragments[2].Data = (UINT8 *)(&InitiatorCookieNet);\r | |
1762 | Fragments[2].DataSize = sizeof (IkeSaSession->InitiatorCookie);\r | |
1763 | Fragments[3].Data = (UINT8 *)(&ResponderCookieNet);\r | |
1764 | Fragments[3].DataSize = sizeof (IkeSaSession->ResponderCookie);\r | |
1765 | \r | |
1766 | IPSEC_DUMP_BUF (">>> NiBlock", IkeSaSession->NiBlock, IkeSaSession->NiBlkSize);\r | |
1767 | IPSEC_DUMP_BUF (">>> NrBlock", IkeSaSession->NrBlock, IkeSaSession->NrBlkSize);\r | |
1768 | IPSEC_DUMP_BUF (">>> InitiatorCookie", (UINT8 *)&IkeSaSession->InitiatorCookie, sizeof(UINT64));\r | |
1769 | IPSEC_DUMP_BUF (">>> ResponderCookie", (UINT8 *)&IkeSaSession->ResponderCookie, sizeof(UINT64));\r | |
1770 | \r | |
1771 | OutputKeyLength = PrfAlgKeyLen + \r | |
1772 | 2 * EncryptAlgKeyLen +\r | |
1773 | 2 * AuthAlgKeyLen +\r | |
1774 | 2 * IntegrityAlgKeyLen;\r | |
1775 | OutputKey = AllocateZeroPool (OutputKeyLength);\r | |
02a758cb | 1776 | if (OutputKey == NULL) {\r |
1777 | Status = EFI_OUT_OF_RESOURCES;\r | |
1778 | goto Exit;\r | |
1779 | }\r | |
9166f840 | 1780 | \r |
1781 | //\r | |
1782 | // Generate Seven Keymates.\r | |
1783 | //\r | |
1784 | Status = Ikev2SaGenerateKey (\r | |
1785 | (UINT8)SaParams->Prf,\r | |
1786 | Digest,\r | |
1787 | DigestSize,\r | |
1788 | OutputKey,\r | |
1789 | OutputKeyLength,\r | |
1790 | Fragments,\r | |
1791 | 4\r | |
1792 | );\r | |
1793 | if (EFI_ERROR(Status)) {\r | |
1794 | goto Exit;\r | |
1795 | }\r | |
1796 | \r | |
1797 | //\r | |
1798 | // Save the seven keys into KeySession.\r | |
1799 | // First, SK_d\r | |
1800 | //\r | |
1801 | IkeSaSession->IkeKeys->SkdKey = AllocateZeroPool (PrfAlgKeyLen);\r | |
02a758cb | 1802 | if (IkeSaSession->IkeKeys->SkdKey == NULL) {\r |
1803 | Status = EFI_OUT_OF_RESOURCES;\r | |
1804 | goto Exit;\r | |
1805 | }\r | |
9166f840 | 1806 | IkeSaSession->IkeKeys->SkdKeySize = PrfAlgKeyLen;\r |
1807 | CopyMem (IkeSaSession->IkeKeys->SkdKey, OutputKey, PrfAlgKeyLen);\r | |
1808 | \r | |
1809 | IPSEC_DUMP_BUF (">>> SK_D Key", IkeSaSession->IkeKeys->SkdKey, PrfAlgKeyLen);\r | |
1810 | \r | |
1811 | //\r | |
1812 | // Second, Sk_ai\r | |
1813 | //\r | |
1814 | IkeSaSession->IkeKeys->SkAiKey = AllocateZeroPool (IntegrityAlgKeyLen);\r | |
02a758cb | 1815 | if (IkeSaSession->IkeKeys->SkAiKey == NULL) {\r |
1816 | Status = EFI_OUT_OF_RESOURCES;\r | |
1817 | goto Exit;\r | |
1818 | }\r | |
9166f840 | 1819 | IkeSaSession->IkeKeys->SkAiKeySize = IntegrityAlgKeyLen;\r |
1820 | CopyMem (IkeSaSession->IkeKeys->SkAiKey, OutputKey + PrfAlgKeyLen, IntegrityAlgKeyLen);\r | |
1821 | \r | |
1822 | IPSEC_DUMP_BUF (">>> SK_Ai Key", IkeSaSession->IkeKeys->SkAiKey, IkeSaSession->IkeKeys->SkAiKeySize);\r | |
1823 | \r | |
1824 | //\r | |
1825 | // Third, Sk_ar\r | |
1826 | //\r | |
1827 | IkeSaSession->IkeKeys->SkArKey = AllocateZeroPool (IntegrityAlgKeyLen);\r | |
02a758cb | 1828 | if (IkeSaSession->IkeKeys->SkArKey == NULL) {\r |
1829 | Status = EFI_OUT_OF_RESOURCES;\r | |
1830 | goto Exit;\r | |
1831 | }\r | |
9166f840 | 1832 | IkeSaSession->IkeKeys->SkArKeySize = IntegrityAlgKeyLen;\r |
1833 | CopyMem (\r | |
1834 | IkeSaSession->IkeKeys->SkArKey,\r | |
1835 | OutputKey + PrfAlgKeyLen + IntegrityAlgKeyLen,\r | |
1836 | IntegrityAlgKeyLen\r | |
1837 | );\r | |
1838 | \r | |
1839 | IPSEC_DUMP_BUF (">>> SK_Ar Key", IkeSaSession->IkeKeys->SkArKey, IkeSaSession->IkeKeys->SkArKeySize);\r | |
1840 | \r | |
1841 | //\r | |
1842 | // Fourth, Sk_ei\r | |
1843 | //\r | |
1844 | IkeSaSession->IkeKeys->SkEiKey = AllocateZeroPool (EncryptAlgKeyLen);\r | |
02a758cb | 1845 | if (IkeSaSession->IkeKeys->SkEiKey == NULL) {\r |
1846 | Status = EFI_OUT_OF_RESOURCES;\r | |
1847 | goto Exit;\r | |
1848 | }\r | |
9166f840 | 1849 | IkeSaSession->IkeKeys->SkEiKeySize = EncryptAlgKeyLen;\r |
1850 | \r | |
1851 | CopyMem (\r | |
1852 | IkeSaSession->IkeKeys->SkEiKey,\r | |
1853 | OutputKey + AuthAlgKeyLen + 2 * IntegrityAlgKeyLen,\r | |
1854 | EncryptAlgKeyLen\r | |
1855 | );\r | |
1856 | IPSEC_DUMP_BUF (\r | |
1857 | ">>> SK_Ei Key", \r | |
1858 | OutputKey + AuthAlgKeyLen + 2 * IntegrityAlgKeyLen,\r | |
1859 | EncryptAlgKeyLen\r | |
1860 | );\r | |
1861 | \r | |
1862 | //\r | |
1863 | // Fifth, Sk_er\r | |
1864 | //\r | |
1865 | IkeSaSession->IkeKeys->SkErKey = AllocateZeroPool (EncryptAlgKeyLen);\r | |
02a758cb | 1866 | if (IkeSaSession->IkeKeys->SkErKey == NULL) {\r |
1867 | Status = EFI_OUT_OF_RESOURCES;\r | |
1868 | goto Exit;\r | |
1869 | }\r | |
9166f840 | 1870 | IkeSaSession->IkeKeys->SkErKeySize = EncryptAlgKeyLen;\r |
1871 | \r | |
1872 | CopyMem (\r | |
1873 | IkeSaSession->IkeKeys->SkErKey,\r | |
1874 | OutputKey + AuthAlgKeyLen + 2 * IntegrityAlgKeyLen + EncryptAlgKeyLen,\r | |
1875 | EncryptAlgKeyLen\r | |
1876 | );\r | |
1877 | IPSEC_DUMP_BUF (\r | |
1878 | ">>> SK_Er Key",\r | |
1879 | OutputKey + AuthAlgKeyLen + 2 * IntegrityAlgKeyLen + EncryptAlgKeyLen,\r | |
1880 | EncryptAlgKeyLen\r | |
1881 | );\r | |
1882 | \r | |
1883 | //\r | |
1884 | // Sixth, Sk_pi\r | |
1885 | //\r | |
1886 | IkeSaSession->IkeKeys->SkPiKey = AllocateZeroPool (AuthAlgKeyLen);\r | |
02a758cb | 1887 | if (IkeSaSession->IkeKeys->SkPiKey == NULL) {\r |
1888 | Status = EFI_OUT_OF_RESOURCES;\r | |
1889 | goto Exit;\r | |
1890 | }\r | |
9166f840 | 1891 | IkeSaSession->IkeKeys->SkPiKeySize = AuthAlgKeyLen;\r |
1892 | \r | |
1893 | CopyMem (\r | |
1894 | IkeSaSession->IkeKeys->SkPiKey,\r | |
1895 | OutputKey + AuthAlgKeyLen + 2 * IntegrityAlgKeyLen + 2 * EncryptAlgKeyLen,\r | |
1896 | AuthAlgKeyLen\r | |
1897 | );\r | |
1898 | IPSEC_DUMP_BUF (\r | |
1899 | ">>> SK_Pi Key",\r | |
1900 | OutputKey + AuthAlgKeyLen + 2 * IntegrityAlgKeyLen + 2 * EncryptAlgKeyLen,\r | |
1901 | AuthAlgKeyLen\r | |
1902 | );\r | |
1903 | \r | |
1904 | //\r | |
1905 | // Seventh, Sk_pr\r | |
1906 | //\r | |
1907 | IkeSaSession->IkeKeys->SkPrKey = AllocateZeroPool (AuthAlgKeyLen);\r | |
02a758cb | 1908 | if (IkeSaSession->IkeKeys->SkPrKey == NULL) {\r |
1909 | Status = EFI_OUT_OF_RESOURCES;\r | |
1910 | goto Exit;\r | |
1911 | }\r | |
9166f840 | 1912 | IkeSaSession->IkeKeys->SkPrKeySize = AuthAlgKeyLen;\r |
1913 | \r | |
1914 | CopyMem (\r | |
1915 | IkeSaSession->IkeKeys->SkPrKey,\r | |
1916 | OutputKey + AuthAlgKeyLen + 2 * IntegrityAlgKeyLen + 2 * EncryptAlgKeyLen + AuthAlgKeyLen,\r | |
1917 | AuthAlgKeyLen\r | |
1918 | ); \r | |
1919 | IPSEC_DUMP_BUF (\r | |
1920 | ">>> SK_Pr Key",\r | |
1921 | OutputKey + AuthAlgKeyLen + 2 * IntegrityAlgKeyLen + 2 * EncryptAlgKeyLen + AuthAlgKeyLen,\r | |
1922 | AuthAlgKeyLen\r | |
1923 | );\r | |
1924 | \r | |
1925 | \r | |
1926 | Exit:\r | |
1927 | if (Digest != NULL) {\r | |
1928 | FreePool (Digest);\r | |
1929 | }\r | |
1930 | if (KeyBuffer != NULL) {\r | |
1931 | FreePool (KeyBuffer);\r | |
1932 | }\r | |
1933 | if (OutputKey != NULL) {\r | |
1934 | FreePool (OutputKey);\r | |
1935 | }\r | |
02a758cb | 1936 | \r |
1937 | if (EFI_ERROR(Status)) {\r | |
1938 | if (IkeSaSession->IkeKeys->SkdKey != NULL) {\r | |
1939 | FreePool (IkeSaSession->IkeKeys->SkdKey);\r | |
1940 | }\r | |
1941 | if (IkeSaSession->IkeKeys->SkAiKey != NULL) {\r | |
1942 | FreePool (IkeSaSession->IkeKeys->SkAiKey);\r | |
1943 | }\r | |
1944 | if (IkeSaSession->IkeKeys->SkArKey != NULL) {\r | |
1945 | FreePool (IkeSaSession->IkeKeys->SkArKey);\r | |
1946 | }\r | |
1947 | if (IkeSaSession->IkeKeys->SkEiKey != NULL) {\r | |
1948 | FreePool (IkeSaSession->IkeKeys->SkEiKey);\r | |
1949 | }\r | |
1950 | if (IkeSaSession->IkeKeys->SkErKey != NULL) {\r | |
1951 | FreePool (IkeSaSession->IkeKeys->SkErKey);\r | |
1952 | }\r | |
1953 | if (IkeSaSession->IkeKeys->SkPiKey != NULL) {\r | |
1954 | FreePool (IkeSaSession->IkeKeys->SkPiKey);\r | |
1955 | }\r | |
1956 | if (IkeSaSession->IkeKeys->SkPrKey != NULL) {\r | |
1957 | FreePool (IkeSaSession->IkeKeys->SkPrKey);\r | |
1958 | }\r | |
1959 | }\r | |
1960 | \r | |
9166f840 | 1961 | \r |
1962 | return Status;\r | |
1963 | }\r | |
1964 | \r | |
1965 | /**\r | |
1966 | Generates the Keys for the furthure IPsec Protocol.\r | |
1967 | \r | |
1968 | @param[in] ChildSaSession Pointer to IKE Child SA Session.\r | |
1969 | @param[in] KePayload Pointer to Key payload used to generate the Key.\r | |
1970 | \r | |
1971 | @retval EFI_UNSUPPORTED If one or more Algorithm Id is not supported.\r | |
1972 | @retval EFI_SUCCESS The operation succeeded.\r | |
1973 | \r | |
1974 | **/\r | |
1975 | EFI_STATUS\r | |
1976 | Ikev2GenerateChildSaKeys (\r | |
1977 | IN IKEV2_CHILD_SA_SESSION *ChildSaSession,\r | |
1978 | IN IKE_PAYLOAD *KePayload\r | |
1979 | )\r | |
1980 | {\r | |
1981 | EFI_STATUS Status;\r | |
1982 | IKEV2_SA_PARAMS *SaParams;\r | |
1983 | PRF_DATA_FRAGMENT Fragments[3];\r | |
1984 | UINTN EncryptAlgKeyLen;\r | |
1985 | UINTN IntegrityAlgKeyLen;\r | |
1986 | UINT8* OutputKey;\r | |
1987 | UINTN OutputKeyLength;\r | |
1988 | \r | |
02a758cb | 1989 | Status = EFI_SUCCESS;\r |
1990 | OutputKey = NULL;\r | |
1991 | \r | |
9166f840 | 1992 | if (KePayload != NULL) {\r |
1993 | //\r | |
1994 | // Generate Gxy \r | |
1995 | //\r | |
6771c1d6 JW |
1996 | Status = Ikev2GenerateSaDhComputeKey (ChildSaSession->DhBuffer, KePayload);\r |
1997 | if (EFI_ERROR (Status)) {\r | |
1998 | goto Exit;\r | |
1999 | }\r | |
2000 | \r | |
9166f840 | 2001 | Fragments[0].Data = ChildSaSession->DhBuffer->GxyBuffer;\r |
2002 | Fragments[0].DataSize = ChildSaSession->DhBuffer->GxySize;\r | |
2003 | }\r | |
2004 | \r | |
2005 | Fragments[1].Data = ChildSaSession->NiBlock;\r | |
2006 | Fragments[1].DataSize = ChildSaSession->NiBlkSize;\r | |
2007 | Fragments[2].Data = ChildSaSession->NrBlock;\r | |
2008 | Fragments[2].DataSize = ChildSaSession->NrBlkSize;\r | |
2009 | \r | |
2010 | //\r | |
2011 | // Get the key length of Authenticaion, Encryption, PRF, and Integrity.\r | |
2012 | //\r | |
2013 | SaParams = ChildSaSession->SessionCommon.SaParams;\r | |
2014 | EncryptAlgKeyLen = IpSecGetEncryptKeyLength ((UINT8)SaParams->EncAlgId);\r | |
2015 | IntegrityAlgKeyLen = IpSecGetHmacDigestLength ((UINT8)SaParams->IntegAlgId);\r | |
2016 | OutputKeyLength = 2 * EncryptAlgKeyLen + 2 * IntegrityAlgKeyLen;\r | |
2017 | \r | |
2018 | if ((EncryptAlgKeyLen == 0) || (IntegrityAlgKeyLen == 0)) {\r | |
02a758cb | 2019 | Status = EFI_UNSUPPORTED;\r |
2020 | goto Exit;\r | |
9166f840 | 2021 | }\r |
2022 | \r | |
2023 | //\r | |
2024 | // \r | |
2025 | // If KePayload is not NULL, calculate KEYMAT = prf+(SK_d, g^ir (new) | Ni | Nr ),\r | |
2026 | // otherwise, KEYMAT = prf+(SK_d, Ni | Nr )\r | |
2027 | //\r | |
2028 | OutputKey = AllocateZeroPool (OutputKeyLength);\r | |
02a758cb | 2029 | if (OutputKey == NULL) {\r |
2030 | Status = EFI_OUT_OF_RESOURCES;\r | |
2031 | goto Exit;\r | |
2032 | }\r | |
9166f840 | 2033 | \r |
2034 | //\r | |
2035 | // Derive Key from the SkdKey Buffer.\r | |
2036 | //\r | |
2037 | Status = Ikev2SaGenerateKey (\r | |
2038 | (UINT8)ChildSaSession->IkeSaSession->SessionCommon.SaParams->Prf,\r | |
2039 | ChildSaSession->IkeSaSession->IkeKeys->SkdKey,\r | |
2040 | ChildSaSession->IkeSaSession->IkeKeys->SkdKeySize,\r | |
2041 | OutputKey,\r | |
2042 | OutputKeyLength,\r | |
2043 | KePayload == NULL ? &Fragments[1] : Fragments,\r | |
2044 | KePayload == NULL ? 2 : 3\r | |
2045 | );\r | |
2046 | \r | |
2047 | if (EFI_ERROR (Status)) {\r | |
02a758cb | 2048 | goto Exit; \r |
9166f840 | 2049 | }\r |
2050 | \r | |
2051 | //\r | |
2052 | // Copy KEYMATE (SK_ENCRYPT_i | SK_ENCRYPT_r | SK_INTEG_i | SK_INTEG_r) to\r | |
2053 | // ChildKeyMates.\r | |
2054 | // \r | |
2055 | if (!ChildSaSession->SessionCommon.IsInitiator) {\r | |
2056 | \r | |
2057 | // \r | |
2058 | // Initiator Encryption Key\r | |
2059 | //\r | |
2060 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncAlgoId = (UINT8)SaParams->EncAlgId;\r | |
2061 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncKeyLength = EncryptAlgKeyLen;\r | |
2062 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncKey = AllocateZeroPool (EncryptAlgKeyLen);\r | |
02a758cb | 2063 | if (ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncKey == NULL) {\r |
2064 | Status = EFI_OUT_OF_RESOURCES;\r | |
2065 | goto Exit;\r | |
2066 | }\r | |
9166f840 | 2067 | \r |
2068 | CopyMem (\r | |
2069 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncKey,\r | |
2070 | OutputKey,\r | |
2071 | EncryptAlgKeyLen\r | |
2072 | );\r | |
2073 | \r | |
2074 | //\r | |
2075 | // Initiator Authentication Key\r | |
2076 | //\r | |
2077 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthAlgoId = (UINT8)SaParams->IntegAlgId;\r | |
2078 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthKeyLength = IntegrityAlgKeyLen;\r | |
2079 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthKey = AllocateZeroPool (IntegrityAlgKeyLen);\r | |
02a758cb | 2080 | if (ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthKey == NULL) {\r |
2081 | Status = EFI_OUT_OF_RESOURCES;\r | |
2082 | goto Exit;\r | |
2083 | } \r | |
2084 | \r | |
9166f840 | 2085 | CopyMem (\r |
2086 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthKey,\r | |
2087 | OutputKey + EncryptAlgKeyLen,\r | |
2088 | IntegrityAlgKeyLen\r | |
2089 | );\r | |
2090 | \r | |
2091 | //\r | |
2092 | // Responder Encrypt Key\r | |
2093 | //\r | |
2094 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncAlgoId = (UINT8)SaParams->EncAlgId;\r | |
2095 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncKeyLength = EncryptAlgKeyLen;\r | |
2096 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncKey = AllocateZeroPool (EncryptAlgKeyLen);\r | |
02a758cb | 2097 | if (ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncKey == NULL) {\r |
2098 | Status = EFI_OUT_OF_RESOURCES;\r | |
2099 | goto Exit;\r | |
2100 | } \r | |
2101 | \r | |
9166f840 | 2102 | CopyMem (\r |
2103 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncKey,\r | |
2104 | OutputKey + EncryptAlgKeyLen + IntegrityAlgKeyLen,\r | |
2105 | EncryptAlgKeyLen\r | |
2106 | );\r | |
2107 | \r | |
2108 | //\r | |
2109 | // Responder Authentication Key\r | |
2110 | //\r | |
2111 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthAlgoId = (UINT8)SaParams->IntegAlgId;\r | |
2112 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthKeyLength = IntegrityAlgKeyLen;\r | |
2113 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthKey = AllocateZeroPool (IntegrityAlgKeyLen);\r | |
02a758cb | 2114 | if (ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthKey == NULL) {\r |
2115 | Status = EFI_OUT_OF_RESOURCES;\r | |
2116 | goto Exit;\r | |
2117 | } \r | |
9166f840 | 2118 | \r |
2119 | CopyMem (\r | |
2120 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthKey,\r | |
2121 | OutputKey + 2 * EncryptAlgKeyLen + IntegrityAlgKeyLen,\r | |
2122 | IntegrityAlgKeyLen\r | |
2123 | );\r | |
2124 | } else {\r | |
2125 | //\r | |
2126 | // Initiator Encryption Key\r | |
2127 | //\r | |
2128 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncAlgoId = (UINT8)SaParams->EncAlgId;\r | |
2129 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncKeyLength = EncryptAlgKeyLen;\r | |
2130 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncKey = AllocateZeroPool (EncryptAlgKeyLen);\r | |
02a758cb | 2131 | if (ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncKey == NULL) {\r |
2132 | Status = EFI_OUT_OF_RESOURCES;\r | |
2133 | goto Exit;\r | |
2134 | } \r | |
2135 | \r | |
9166f840 | 2136 | CopyMem (\r |
2137 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncKey,\r | |
2138 | OutputKey,\r | |
2139 | EncryptAlgKeyLen\r | |
2140 | );\r | |
2141 | \r | |
2142 | //\r | |
2143 | // Initiator Authentication Key\r | |
2144 | //\r | |
2145 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthAlgoId = (UINT8)SaParams->IntegAlgId;\r | |
2146 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthKeyLength = IntegrityAlgKeyLen;\r | |
2147 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthKey = AllocateZeroPool (IntegrityAlgKeyLen);\r | |
02a758cb | 2148 | if (ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthKey == NULL) {\r |
2149 | Status = EFI_OUT_OF_RESOURCES;\r | |
2150 | goto Exit;\r | |
2151 | } \r | |
2152 | \r | |
9166f840 | 2153 | CopyMem (\r |
2154 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthKey,\r | |
2155 | OutputKey + EncryptAlgKeyLen,\r | |
2156 | IntegrityAlgKeyLen\r | |
2157 | );\r | |
2158 | \r | |
2159 | //\r | |
2160 | // Responder Encryption Key\r | |
2161 | //\r | |
2162 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncAlgoId = (UINT8)SaParams->EncAlgId;\r | |
2163 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncKeyLength = EncryptAlgKeyLen;\r | |
2164 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncKey = AllocateZeroPool (EncryptAlgKeyLen);\r | |
02a758cb | 2165 | if (ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncKey == NULL) {\r |
2166 | Status = EFI_OUT_OF_RESOURCES;\r | |
2167 | goto Exit;\r | |
2168 | } \r | |
2169 | \r | |
9166f840 | 2170 | CopyMem (\r |
2171 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncKey,\r | |
2172 | OutputKey + EncryptAlgKeyLen + IntegrityAlgKeyLen,\r | |
2173 | EncryptAlgKeyLen\r | |
2174 | );\r | |
2175 | \r | |
2176 | //\r | |
2177 | // Responder Authentication Key\r | |
2178 | //\r | |
2179 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthAlgoId = (UINT8)SaParams->IntegAlgId;\r | |
2180 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthKeyLength = IntegrityAlgKeyLen;\r | |
2181 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthKey = AllocateZeroPool (IntegrityAlgKeyLen);\r | |
02a758cb | 2182 | if (ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthKey == NULL) {\r |
2183 | Status = EFI_OUT_OF_RESOURCES;\r | |
2184 | goto Exit;\r | |
2185 | } \r | |
2186 | \r | |
9166f840 | 2187 | CopyMem (\r |
2188 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthKey,\r | |
2189 | OutputKey + 2 * EncryptAlgKeyLen + IntegrityAlgKeyLen,\r | |
2190 | IntegrityAlgKeyLen\r | |
2191 | );\r | |
2192 | }\r | |
2193 | \r | |
2194 | IPSEC_DUMP_BUF (\r | |
2195 | " >>> Local Encryption Key",\r | |
2196 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncKey,\r | |
2197 | EncryptAlgKeyLen\r | |
2198 | );\r | |
2199 | IPSEC_DUMP_BUF (\r | |
2200 | " >>> Remote Encryption Key",\r | |
2201 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncKey,\r | |
2202 | EncryptAlgKeyLen\r | |
2203 | );\r | |
2204 | IPSEC_DUMP_BUF (\r | |
2205 | " >>> Local Authentication Key",\r | |
2206 | ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthKey,\r | |
2207 | IntegrityAlgKeyLen\r | |
2208 | );\r | |
2209 | IPSEC_DUMP_BUF (\r | |
2210 | " >>> Remote Authentication Key",\r | |
2211 | ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthKey,\r | |
2212 | IntegrityAlgKeyLen\r | |
2213 | );\r | |
2214 | \r | |
02a758cb | 2215 | \r |
2216 | \r | |
2217 | Exit:\r | |
2218 | if (EFI_ERROR (Status)) {\r | |
2219 | if (ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncKey != NULL) {\r | |
2220 | FreePool (ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.EncKey);\r | |
2221 | }\r | |
2222 | if (ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthKey != NULL) {\r | |
2223 | FreePool (ChildSaSession->ChildKeymats.LocalPeerInfo.EspAlgoInfo.AuthKey);\r | |
2224 | }\r | |
2225 | if (ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncKey != NULL) {\r | |
2226 | FreePool (ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.EncKey);\r | |
2227 | }\r | |
2228 | if (ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthKey != NULL) {\r | |
2229 | FreePool (ChildSaSession->ChildKeymats.RemotePeerInfo.EspAlgoInfo.AuthKey);\r | |
2230 | }\r | |
2231 | }\r | |
2232 | \r | |
2233 | if (OutputKey != NULL) {\r | |
2234 | FreePool (OutputKey);\r | |
2235 | }\r | |
9166f840 | 2236 | \r |
2237 | return EFI_SUCCESS;\r | |
2238 | }\r | |
2239 | \r | |
2240 | GLOBAL_REMOVE_IF_UNREFERENCED IKEV2_PACKET_HANDLER mIkev2Initial[][2] = {\r | |
2241 | { //PSK\r | |
2242 | { // IKEV2_INIT\r | |
2243 | Ikev2InitPskParser,\r | |
2244 | Ikev2InitPskGenerator\r | |
2245 | },\r | |
2246 | { //IKEV2_AUTH\r | |
2247 | Ikev2AuthPskParser,\r | |
2248 | Ikev2AuthPskGenerator\r | |
2249 | }\r | |
2250 | },\r | |
2251 | { // CERT\r | |
2252 | { // IKEV2_INIT\r | |
2253 | Ikev2InitCertParser,\r | |
2254 | Ikev2InitCertGenerator\r | |
2255 | },\r | |
2256 | { // IKEV2_AUTH\r | |
2257 | Ikev2AuthCertParser,\r | |
2258 | Ikev2AuthCertGenerator\r | |
2259 | },\r | |
2260 | },\r | |
2261 | };\r |