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9166f840 | 1 | /** @file\r |
2 | IKEv2 related definitions.\r | |
3 | \r | |
4 | Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>\r | |
5 | \r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php.\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | #ifndef _IKE_V2_H_\r | |
16 | #define _IKE_V2_H_\r | |
17 | \r | |
18 | #include "Ike.h"\r | |
19 | #include "Payload.h"\r | |
20 | \r | |
21 | #define IKEV2_TS_ANY_PORT 0xffff\r | |
22 | #define IKEV2_TS_ANY_PROTOCOL 0\r | |
23 | \r | |
24 | #define IKEV2_DELET_CHILDSA_LIST 0\r | |
25 | #define IKEV2_ESTABLISHING_CHILDSA_LIST 1\r | |
26 | #define IKEV2_ESTABLISHED_CHILDSA_LIST 2\r | |
27 | \r | |
28 | #define IKEV2_SA_SESSION_SIGNATURE SIGNATURE_32 ('I', 'K', 'E', 'I')\r | |
29 | #define IKEV2_SA_SESSION_FROM_COMMON(a) CR (a, IKEV2_SA_SESSION, SessionCommon, IKEV2_SA_SESSION_SIGNATURE)\r | |
30 | #define IKEV2_SA_SESSION_BY_SESSION(a) CR (a, IKEV2_SA_SESSION, BySessionTable, IKEV2_SA_SESSION_SIGNATURE)\r | |
31 | #define IKEV2_SA_SESSION_BY_ESTABLISHED(a) CR (a, IKEV2_SA_SESSION, ByEstablishedTable, IKEV2_SA_SESSION_SIGNATURE)\r | |
32 | \r | |
33 | #define IKEV2_CHILD_SA_SESSION_SIGNATURE SIGNATURE_32 ('I', 'K', 'E', 'C')\r | |
34 | #define IKEV2_CHILD_SA_SESSION_FROM_COMMON(a) CR (a, IKEV2_CHILD_SA_SESSION, SessionCommon, IKEV2_CHILD_SA_SESSION_SIGNATURE)\r | |
35 | #define IKEV2_CHILD_SA_SESSION_BY_IKE_SA(a) CR (a, IKEV2_CHILD_SA_SESSION, ByIkeSa, IKEV2_CHILD_SA_SESSION_SIGNATURE)\r | |
36 | #define IKEV2_CHILD_SA_SESSION_BY_DEL_SA(a) CR (a, IKEV2_CHILD_SA_SESSION, ByDelete, IKEV2_CHILD_SA_SESSION_SIGNATURE)\r | |
37 | \r | |
38 | #define IS_IKEV2_SA_SESSION(s) ((s)->Common.IkeSessionType == IkeSessionTypeIkeSa)\r | |
39 | #define IKEV2_SA_FIRST_PROPOSAL(Sa) (IKEV2_PROPOSAL *)((IKEV2_SA *)(Sa)+1)\r | |
40 | #define IKEV2_NEXT_TRANSFORM_WITH_SIZE(Transform,TransformSize) \\r | |
41 | (IKEV2_TRANSFORM *) ((UINT8 *)(Transform) + (TransformSize))\r | |
42 | \r | |
43 | #define IKEV2_NEXT_PROPOSAL_WITH_SIZE(Proposal, ProposalSize) \\r | |
44 | (IKEV2_PROPOSAL *) ((UINT8 *)(Proposal) + (ProposalSize))\r | |
45 | \r | |
46 | #define IKEV2_PROPOSAL_FIRST_TRANSFORM(Proposal) \\r | |
47 | (IKEV2_TRANSFORM *)((UINT8 *)((IKEV2_PROPOSAL *)(Proposal)+1) + \\r | |
48 | (((IKEV2_PROPOSAL *)(Proposal))->SpiSize))\r | |
49 | #define IKEV2_PROPOSAL_FIRST_TRANSFORM(Proposal) \\r | |
50 | (IKEV2_TRANSFORM *)((UINT8 *)((IKEV2_PROPOSAL *)(Proposal)+1) + \\r | |
51 | (((IKEV2_PROPOSAL *)(Proposal))->SpiSize))\r | |
52 | \r | |
53 | typedef enum {\r | |
54 | IkeStateInit,\r | |
55 | IkeStateAuth,\r | |
56 | IkeStateIkeSaEstablished,\r | |
57 | IkeStateCreateChild,\r | |
58 | IkeStateSaRekeying,\r | |
59 | IkeStateChildSaEstablished,\r | |
60 | IkeStateSaDeleting,\r | |
61 | IkeStateMaximum\r | |
62 | } IKEV2_SESSION_STATE;\r | |
63 | \r | |
64 | typedef enum {\r | |
65 | IkeRequestTypeCreateChildSa,\r | |
66 | IkeRequestTypeRekeyChildSa,\r | |
67 | IkeRequestTypeRekeyIkeSa,\r | |
68 | IkeRequestTypeMaximum\r | |
69 | } IKEV2_CREATE_CHILD_REQUEST_TYPE;\r | |
70 | \r | |
71 | typedef struct {\r | |
72 | UINT8 *GxBuffer;\r | |
73 | UINTN GxSize;\r | |
74 | UINT8 *GyBuffer;\r | |
75 | UINTN GySize;\r | |
76 | UINT8 *GxyBuffer;\r | |
77 | UINTN GxySize;\r | |
78 | UINT8 *DhContext;\r | |
79 | } IKEV2_DH_BUFFER;\r | |
80 | \r | |
81 | typedef struct {\r | |
82 | IKEV2_DH_BUFFER *DhBuffer;\r | |
83 | UINT8 *SkdKey;\r | |
84 | UINTN SkdKeySize;\r | |
85 | UINT8 *SkAiKey;\r | |
86 | UINTN SkAiKeySize;\r | |
87 | UINT8 *SkArKey;\r | |
88 | UINTN SkArKeySize;\r | |
89 | UINT8 *SkEiKey;\r | |
90 | UINTN SkEiKeySize;\r | |
91 | UINT8 *SkErKey;\r | |
92 | UINTN SkErKeySize;\r | |
93 | UINT8 *SkPiKey;\r | |
94 | UINTN SkPiKeySize;\r | |
95 | UINT8 *SkPrKey;\r | |
96 | UINTN SkPrKeySize;\r | |
97 | } IKEV2_SESSION_KEYS;\r | |
98 | \r | |
99 | typedef struct {\r | |
100 | UINT16 LifeType;\r | |
101 | UINT64 LifeDuration;\r | |
102 | UINT16 EncAlgId;\r | |
103 | UINTN EnckeyLen;\r | |
104 | UINT16 Prf;\r | |
105 | UINT16 IntegAlgId;\r | |
106 | UINTN IntegKeyLen;\r | |
107 | UINT16 DhGroup;\r | |
108 | UINT8 ExtSeq;\r | |
109 | } IKEV2_SA_PARAMS;\r | |
110 | \r | |
111 | //\r | |
112 | // Internal Payload\r | |
113 | //\r | |
114 | typedef struct {\r | |
115 | IKEV2_SA SaHeader;\r | |
116 | UINTN NumProposals;\r | |
117 | //\r | |
118 | // IKE_PROPOSAL_DATA Proposals[1];\r | |
119 | //\r | |
120 | } IKEV2_SA_DATA;\r | |
121 | \r | |
122 | typedef struct {\r | |
123 | UINT8 ProposalIndex;\r | |
124 | UINT8 ProtocolId;\r | |
125 | UINT8 *Spi;\r | |
126 | UINT8 NumTransforms;\r | |
127 | //\r | |
128 | // IKE_TRANSFORM_DATA Transforms[1];\r | |
129 | //\r | |
130 | } IKEV2_PROPOSAL_DATA;\r | |
131 | \r | |
132 | typedef struct {\r | |
133 | UINT8 TransformIndex;\r | |
134 | UINT8 TransformType;\r | |
135 | UINT16 TransformId;\r | |
136 | IKE_SA_ATTRIBUTE Attribute;\r | |
137 | } IKEV2_TRANSFORM_DATA;\r | |
138 | \r | |
139 | typedef struct {\r | |
140 | UINT8 IkeVer;\r | |
141 | IKE_SESSION_TYPE IkeSessionType;\r | |
142 | BOOLEAN IsInitiator;\r | |
143 | BOOLEAN IsOnDeleting; // Flag to indicate whether the SA is on deleting.\r | |
144 | IKEV2_SESSION_STATE State;\r | |
145 | EFI_EVENT TimeoutEvent;\r | |
146 | UINT64 TimeoutInterval;\r | |
147 | UINTN RetryCount;\r | |
148 | IKE_PACKET *LastSentPacket;\r | |
149 | IKEV2_SA_PARAMS *SaParams;\r | |
150 | UINT16 PreferDhGroup;\r | |
151 | EFI_IP_ADDRESS RemotePeerIp;\r | |
152 | EFI_IP_ADDRESS LocalPeerIp;\r | |
153 | IKE_ON_PAYLOAD_FROM_NET BeforeDecodePayload;\r | |
154 | IKE_ON_PAYLOAD_FROM_NET AfterEncodePayload;\r | |
155 | IKE_UDP_SERVICE *UdpService;\r | |
156 | IPSEC_PRIVATE_DATA *Private;\r | |
157 | } IKEV2_SESSION_COMMON;\r | |
158 | \r | |
159 | typedef struct {\r | |
160 | UINT32 Signature;\r | |
161 | IKEV2_SESSION_COMMON SessionCommon;\r | |
162 | UINT64 InitiatorCookie;\r | |
163 | UINT64 ResponderCookie;\r | |
164 | //\r | |
165 | // Initiator: SA proposals to be sent\r | |
166 | // Responder: SA proposals to be matched\r | |
167 | //\r | |
168 | IKEV2_SA_DATA *SaData; // SA Private struct used for SA payload generation\r | |
169 | IKEV2_SESSION_KEYS *IkeKeys;\r | |
170 | UINT8 *NiBlock;\r | |
171 | UINTN NiBlkSize;\r | |
172 | UINT8 *NrBlock;\r | |
173 | UINTN NrBlkSize;\r | |
174 | UINT8 *NCookie; // Buffer Contains the Notify Cookie\r | |
175 | UINTN NCookieSize; // Size of NCookie\r | |
176 | IPSEC_PAD_ENTRY *Pad;\r | |
177 | IPSEC_SPD_ENTRY *Spd; // SPD that requested the negotiation, TODO: better use SPD selector\r | |
178 | LIST_ENTRY ChildSaSessionList;\r | |
179 | LIST_ENTRY ChildSaEstablishSessionList; // For Establish Child SA.\r | |
180 | LIST_ENTRY InfoMIDList; // For Information MID\r | |
181 | LIST_ENTRY DeleteSaList; // For deteling Child SA.\r | |
182 | UINT8 *InitPacket;\r | |
183 | UINTN InitPacketSize;\r | |
184 | UINT8 *RespPacket;\r | |
185 | UINTN RespPacketSize;\r | |
186 | UINT32 MessageId;\r | |
187 | LIST_ENTRY BySessionTable; // Use for all IkeSaSession Links\r | |
188 | } IKEV2_SA_SESSION;\r | |
189 | \r | |
190 | typedef struct {\r | |
191 | UINT32 Signature;\r | |
192 | IKEV2_SESSION_COMMON SessionCommon;\r | |
193 | IKEV2_SA_SESSION *IkeSaSession;\r | |
194 | UINT32 MessageId;\r | |
195 | IKEV2_SA_DATA *SaData;\r | |
196 | UINT8 IpsecProtocol;\r | |
197 | UINT32 LocalPeerSpi;\r | |
198 | UINT32 RemotePeerSpi;\r | |
199 | UINT8 *NiBlock;\r | |
200 | UINTN NiBlkSize;\r | |
201 | UINT8 *NrBlock;\r | |
202 | UINTN NrBlkSize;\r | |
203 | SA_KEYMATS ChildKeymats;\r | |
204 | IKEV2_DH_BUFFER *DhBuffer; //New DH exchnaged by CREATE_CHILD_SA\r | |
205 | IPSEC_SPD_ENTRY *Spd;\r | |
206 | EFI_IPSEC_SPD_SELECTOR *SpdSelector;\r | |
207 | UINT16 ProtoId;\r | |
208 | UINT16 RemotePort;\r | |
209 | UINT16 LocalPort;\r | |
210 | LIST_ENTRY ByIkeSa;\r | |
211 | LIST_ENTRY ByDelete;\r | |
212 | } IKEV2_CHILD_SA_SESSION;\r | |
213 | \r | |
214 | typedef enum {\r | |
215 | Ikev2InfoNotify,\r | |
216 | Ikev2InfoDelete,\r | |
217 | Ikev2InfoLiveCheck\r | |
218 | } IKEV2_INFO_TYPE;\r | |
219 | \r | |
220 | //\r | |
221 | // This struct is used to pass the detail infromation to the InfoGenerator() for\r | |
222 | // the response Information Exchange Message creatation.\r | |
223 | //\r | |
224 | typedef struct {\r | |
225 | UINT32 MessageId;\r | |
226 | IKEV2_INFO_TYPE InfoType;\r | |
227 | } IKEV2_INFO_EXCHANGE_CONTEXT;\r | |
228 | \r | |
229 | typedef struct {\r | |
230 | UINTN DataSize;\r | |
231 | UINT8 *Data;\r | |
232 | } PRF_DATA_FRAGMENT;\r | |
233 | \r | |
234 | typedef \r | |
235 | IKE_PACKET *\r | |
236 | (*IKEV2_PACKET_GENERATOR) (\r | |
237 | IN UINT8 *SaSession,\r | |
238 | IN VOID *Context\r | |
239 | );\r | |
240 | \r | |
241 | typedef\r | |
242 | EFI_STATUS\r | |
243 | (*IKEV2_PACKET_PARSER) (\r | |
244 | IN UINT8 *SaSession,\r | |
245 | IN IKE_PACKET *IkePacket\r | |
246 | );\r | |
247 | \r | |
248 | typedef struct {\r | |
249 | IKEV2_PACKET_PARSER Parser;\r | |
250 | IKEV2_PACKET_GENERATOR Generator;\r | |
251 | } IKEV2_PACKET_HANDLER;\r | |
252 | \r | |
253 | extern IKEV2_PACKET_HANDLER mIkev2Initial[][2];\r | |
254 | extern IKEV2_PACKET_HANDLER mIkev2CreateChild;\r | |
255 | extern IKEV2_PACKET_HANDLER mIkev2Info;\r | |
256 | \r | |
257 | #endif\r | |
258 | \r |