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1 | /** @file\r | |
2 | The common definition of IPsec Key Exchange (IKE).\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 | **/\r | |
16 | \r | |
17 | #ifndef _IKE_H_\r | |
18 | #define _IKE_H_\r | |
19 | \r | |
20 | #include <Library/UdpIoLib.h>\r | |
21 | #include <Library/BaseCryptLib.h>\r | |
22 | #include "IpSecImpl.h"\r | |
23 | \r | |
24 | #define IKE_VERSION_MAJOR_MASK 0xf0\r | |
25 | #define IKE_VERSION_MINOR_MASK 0x0f\r | |
26 | \r | |
27 | #define IKE_MAJOR_VERSION(v) (((v) & IKE_VERSION_MAJOR_MASK) >> 4)\r | |
28 | #define IKE_MINOR_VERSION(v) ((v) & IKE_VERSION_MINOR_MASK)\r | |
29 | \r | |
30 | //\r | |
31 | // Protocol Value Use in IKEv1 and IKEv2\r | |
32 | //\r | |
33 | #define IPSEC_PROTO_ISAKMP 1\r | |
34 | #define IPSEC_PROTO_IPSEC_AH 2\r | |
35 | #define IPSEC_PROTO_IPSEC_ESP 3\r | |
36 | #define IPSEC_PROTO_IPCOMP 4 // For IKEv1 this value is reserved\r | |
37 | \r | |
38 | //\r | |
39 | // For Algorithm search in support list.Last two types are for IKEv2 only.\r | |
40 | //\r | |
41 | #define IKE_ENCRYPT_TYPE 0\r | |
42 | #define IKE_AUTH_TYPE 1\r | |
43 | #define IKE_PRF_TYPE 2\r | |
44 | #define IKE_DH_TYPE 3\r | |
45 | \r | |
46 | //\r | |
47 | // Encryption Algorithm present in IKEv1 phasrs2 and IKEv2 transform payload (Transform Type 1)\r | |
48 | //\r | |
49 | #define IPSEC_ESP_DES_IV64 1\r | |
50 | #define IPSEC_ESP_DES 2\r | |
51 | #define IPSEC_ESP_3DES 3\r | |
52 | #define IPSEC_ESP_RC5 4\r | |
53 | #define IPSEC_ESP_IDEA 5\r | |
54 | #define IPSEC_ESP_CAST 6\r | |
55 | #define IPSEC_ESP_BLOWFISH 7\r | |
56 | #define IPSEC_ESP_3IDEA 8\r | |
57 | #define IPSEC_ESP_DES_IV32 9\r | |
58 | #define IPSEC_ESP_RC4 10 // It's reserved in IKEv2 \r | |
59 | #define IPSEC_ESP_NULL 11\r | |
60 | #define IPSEC_ESP_AES 12\r | |
61 | \r | |
62 | #define IKE_XCG_TYPE_NONE 0\r | |
63 | #define IKE_XCG_TYPE_BASE 1\r | |
64 | #define IKE_XCG_TYPE_IDENTITY_PROTECT 2\r | |
65 | #define IKE_XCG_TYPE_AUTH_ONLY 3\r | |
66 | #define IKE_XCG_TYPE_AGGR 4\r | |
67 | #define IKE_XCG_TYPE_INFO 5\r | |
68 | #define IKE_XCG_TYPE_QM 32\r | |
69 | #define IKE_XCG_TYPE_NGM 33\r | |
70 | #define IKE_XCG_TYPE_SA_INIT 34\r | |
71 | #define IKE_XCG_TYPE_AUTH 35\r | |
72 | #define IKE_XCG_TYPE_CREATE_CHILD_SA 36\r | |
73 | #define IKE_XCG_TYPE_INFO2 37\r | |
74 | \r | |
75 | #define IKE_LIFE_TYPE_SECONDS 1\r | |
76 | #define IKE_LIFE_TYPE_KILOBYTES 2\r | |
77 | \r | |
78 | //\r | |
79 | // Deafult IKE SA lifetime and CHILD SA lifetime\r | |
80 | //\r | |
81 | #define IKE_SA_DEFAULT_LIFETIME 1200\r | |
82 | #define CHILD_SA_DEFAULT_LIFETIME 3600\r | |
83 | \r | |
84 | //\r | |
85 | // Next payload type presented within Proposal payload\r | |
86 | //\r | |
87 | #define IKE_PROPOSAL_NEXT_PAYLOAD_MORE 2\r | |
88 | #define IKE_PROPOSAL_NEXT_PAYLOAD_NONE 0\r | |
89 | \r | |
90 | //\r | |
91 | // Next payload type presented within Transform payload\r | |
92 | //\r | |
93 | #define IKE_TRANSFORM_NEXT_PAYLOAD_MORE 3\r | |
94 | #define IKE_TRANSFORM_NEXT_PAYLOAD_NONE 0\r | |
95 | \r | |
96 | //\r | |
97 | // Max size of the SA attribute\r | |
98 | //\r | |
99 | #define MAX_SA_ATTRS_SIZE 48\r | |
100 | #define SA_ATTR_FORMAT_BIT 0x8000\r | |
101 | //\r | |
102 | // The definition for Information Message ID.\r | |
103 | //\r | |
104 | #define INFO_MID_SIGNATURE SIGNATURE_32 ('I', 'N', 'F', 'M')\r | |
105 | \r | |
106 | //\r | |
107 | // Type for the IKE SESSION COMMON\r | |
108 | //\r | |
109 | typedef enum {\r | |
110 | IkeSessionTypeIkeSa,\r | |
111 | IkeSessionTypeChildSa,\r | |
112 | IkeSessionTypeInfo,\r | |
113 | IkeSessionTypeMax\r | |
114 | } IKE_SESSION_TYPE;\r | |
115 | \r | |
116 | //\r | |
117 | // The DH Group ID defined RFC3526 and RFC 2409\r | |
118 | //\r | |
119 | typedef enum {\r | |
120 | OakleyGroupModp768 = 1,\r | |
121 | OakleyGroupModp1024 = 2,\r | |
122 | OakleyGroupGp155 = 3, // Unsupported Now.\r | |
123 | OakleyGroupGp185 = 4, // Unsupported Now.\r | |
124 | OakleyGroupModp1536 = 5,\r | |
125 | \r | |
126 | OakleyGroupModp2048 = 14,\r | |
127 | OakleyGroupModp3072 = 15,\r | |
128 | OakleyGroupModp4096 = 16,\r | |
129 | OakleyGroupModp6144 = 17,\r | |
130 | OakleyGroupModp8192 = 18,\r | |
131 | OakleyGroupMax\r | |
132 | } OAKLEY_GROUP_ID;\r | |
133 | \r | |
134 | //\r | |
135 | // IKE Header\r | |
136 | //\r | |
137 | #pragma pack(1)\r | |
138 | typedef struct {\r | |
139 | UINT64 InitiatorCookie;\r | |
140 | UINT64 ResponderCookie;\r | |
141 | UINT8 NextPayload;\r | |
142 | UINT8 Version;\r | |
143 | UINT8 ExchangeType;\r | |
144 | UINT8 Flags;\r | |
145 | UINT32 MessageId;\r | |
146 | UINT32 Length;\r | |
147 | } IKE_HEADER;\r | |
148 | #pragma pack()\r | |
149 | \r | |
150 | typedef union {\r | |
151 | UINT16 AttrLength;\r | |
152 | UINT16 AttrValue;\r | |
153 | } IKE_SA_ATTR_UNION; \r | |
154 | \r | |
155 | //\r | |
156 | // SA Attribute present in Transform Payload\r | |
157 | //\r | |
158 | #pragma pack(1)\r | |
159 | typedef struct {\r | |
160 | UINT16 AttrType;\r | |
161 | IKE_SA_ATTR_UNION Attr;\r | |
162 | } IKE_SA_ATTRIBUTE;\r | |
163 | #pragma pack()\r | |
164 | \r | |
165 | //\r | |
166 | // Contains the IKE packet information. \r | |
167 | //\r | |
168 | typedef struct {\r | |
169 | UINTN RefCount;\r | |
170 | BOOLEAN IsHdrExt;\r | |
171 | IKE_HEADER *Header;\r | |
172 | BOOLEAN IsPayloadsBufExt;\r | |
173 | UINT8 *PayloadsBuf; // The whole IkePakcet trimed the IKE header.\r | |
174 | UINTN PayloadTotalSize;\r | |
175 | LIST_ENTRY PayloadList;\r | |
176 | EFI_IP_ADDRESS RemotePeerIp;\r | |
177 | BOOLEAN IsEncoded; // whether HTON is done when sending the packet\r | |
178 | UINT32 Spi; // For the Delete Information Exchange\r | |
179 | BOOLEAN IsDeleteInfo; // For the Delete Information Exchange\r | |
180 | IPSEC_PRIVATE_DATA *Private; // For the Delete Information Exchange\r | |
181 | } IKE_PACKET;\r | |
182 | \r | |
183 | //\r | |
184 | // The generic structure to all kinds of IKE payloads.\r | |
185 | //\r | |
186 | typedef struct {\r | |
187 | UINT32 Signature;\r | |
188 | BOOLEAN IsPayloadBufExt;\r | |
189 | UINT8 PayloadType;\r | |
190 | UINT8 *PayloadBuf;\r | |
191 | UINTN PayloadSize;\r | |
192 | LIST_ENTRY ByPacket;\r | |
193 | } IKE_PAYLOAD;\r | |
194 | \r | |
195 | //\r | |
196 | // Udp Service\r | |
197 | //\r | |
198 | typedef struct {\r | |
199 | UINT32 Signature;\r | |
200 | UINT8 IpVersion;\r | |
201 | LIST_ENTRY List;\r | |
202 | LIST_ENTRY *ListHead;\r | |
203 | EFI_HANDLE NicHandle;\r | |
204 | EFI_HANDLE ImageHandle;\r | |
205 | UDP_IO *Input;\r | |
206 | UDP_IO *Output;\r | |
207 | EFI_IP_ADDRESS DefaultAddress;\r | |
208 | BOOLEAN IsConfigured;\r | |
209 | } IKE_UDP_SERVICE;\r | |
210 | \r | |
211 | //\r | |
212 | // Each IKE session has its own Key sets for local peer and remote peer.\r | |
213 | //\r | |
214 | typedef struct {\r | |
215 | EFI_IPSEC_ALGO_INFO LocalPeerInfo;\r | |
216 | EFI_IPSEC_ALGO_INFO RemotePeerInfo;\r | |
217 | } SA_KEYMATS;\r | |
218 | \r | |
219 | //\r | |
220 | // Each algorithm has its own Id, Guid, BlockSize and KeyLength.\r | |
221 | // This struct contains these information for each algorithm. It is generic structure\r | |
222 | // for both encryption and authentication algorithm. \r | |
223 | // For authentication algorithm, the AlgSize means IcvSize. For encryption algorithm,\r | |
224 | // it means IvSize.\r | |
225 | //\r | |
226 | #pragma pack(1)\r | |
227 | typedef struct {\r | |
228 | UINT8 AlgorithmId; // Encryption or Authentication Id used by ESP/AH\r | |
229 | EFI_GUID *AlgGuid;\r | |
230 | UINT8 AlgSize; // IcvSize or IvSize\r | |
231 | UINT8 BlockSize;\r | |
232 | UINTN KeyMateLen;\r | |
233 | } IKE_ALG_GUID_INFO; // For IPsec Authentication and Encryption Algorithm.\r | |
234 | #pragma pack()\r | |
235 | \r | |
236 | //\r | |
237 | // Structure used to store the DH group\r | |
238 | //\r | |
239 | typedef struct {\r | |
240 | UINT8 GroupId;\r | |
241 | UINTN Size;\r | |
242 | UINT8 *Modulus;\r | |
243 | UINTN GroupGenerator;\r | |
244 | } MODP_GROUP;\r | |
245 | \r | |
246 | /**\r | |
247 | This is prototype definition of general interface to phase the payloads\r | |
248 | after/before the decode/encode.\r | |
249 | \r | |
250 | @param[in] SessionCommon Point to the SessionCommon\r | |
251 | @param[in] PayloadBuf Point to the buffer of Payload.\r | |
252 | @param[in] PayloadSize The size of the PayloadBuf in bytes.\r | |
253 | @param[in] PayloadType The type of Payload.\r | |
254 | \r | |
255 | **/\r | |
256 | typedef\r | |
257 | VOID\r | |
258 | (*IKE_ON_PAYLOAD_FROM_NET) (\r | |
259 | IN UINT8 *SessionCommon,\r | |
260 | IN UINT8 *PayloadBuf,\r | |
261 | IN UINTN PayloadSize,\r | |
262 | IN UINT8 PayloadType\r | |
263 | );\r | |
264 | \r | |
265 | #endif\r | |
266 | \r |