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1 | /** @file\r |
2 | Header file of Miscellaneous Routines for TlsDxe driver.\r | |
3 | \r | |
4 | Copyright (c) 2016, 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 | #ifndef __EFI_TLS_IMPL_H__\r | |
17 | #define __EFI_TLS_IMPL_H__\r | |
18 | \r | |
19 | //\r | |
20 | // Libraries\r | |
21 | //\r | |
22 | #include <Library/UefiBootServicesTableLib.h>\r | |
23 | #include <Library/MemoryAllocationLib.h>\r | |
24 | #include <Library/BaseMemoryLib.h>\r | |
25 | #include <Library/BaseLib.h>\r | |
26 | #include <Library/UefiLib.h>\r | |
27 | #include <Library/DebugLib.h>\r | |
28 | #include <Library/NetLib.h>\r | |
29 | #include <Library/BaseCryptLib.h>\r | |
30 | #include <Library/TlsLib.h>\r | |
31 | \r | |
32 | //\r | |
33 | // Consumed Protocols\r | |
34 | //\r | |
35 | #include <Protocol/Tls.h>\r | |
36 | #include <Protocol/TlsConfig.h>\r | |
37 | \r | |
38 | #include <IndustryStandard/Tls1.h>\r | |
39 | \r | |
40 | #include "TlsDriver.h"\r | |
41 | \r | |
42 | //\r | |
43 | // Protocol instances\r | |
44 | //\r | |
45 | extern EFI_SERVICE_BINDING_PROTOCOL mTlsServiceBinding;\r | |
46 | extern EFI_TLS_PROTOCOL mTlsProtocol;\r | |
47 | extern EFI_TLS_CONFIGURATION_PROTOCOL mTlsConfigurationProtocol;\r | |
48 | \r | |
49 | #define RECORD_HEADER_LEN 5 /// ContentType(1) + Version(2) + Length(2)\r | |
50 | \r | |
51 | #define MAX_BUFFER_SIZE 32768\r | |
52 | \r | |
53 | /**\r | |
54 | Encrypt the message listed in fragment.\r | |
55 | \r | |
56 | @param[in] TlsInstance The pointer to the TLS instance.\r | |
57 | @param[in, out] FragmentTable Pointer to a list of fragment.\r | |
58 | On input these fragments contain the TLS header and\r | |
59 | plain text TLS payload;\r | |
60 | On output these fragments contain the TLS header and\r | |
61 | cipher text TLS payload.\r | |
62 | @param[in] FragmentCount Number of fragment.\r | |
63 | \r | |
64 | @retval EFI_SUCCESS The operation completed successfully.\r | |
65 | @retval EFI_OUT_OF_RESOURCES Can't allocate memory resources.\r | |
66 | @retval EFI_ABORTED TLS session state is incorrect.\r | |
67 | @retval Others Other errors as indicated.\r | |
68 | **/\r | |
69 | EFI_STATUS\r | |
70 | TlsEncryptPacket (\r | |
71 | IN TLS_INSTANCE *TlsInstance,\r | |
72 | IN OUT EFI_TLS_FRAGMENT_DATA **FragmentTable,\r | |
73 | IN UINT32 *FragmentCount\r | |
74 | );\r | |
75 | \r | |
76 | /**\r | |
77 | Decrypt the message listed in fragment.\r | |
78 | \r | |
79 | @param[in] TlsInstance The pointer to the TLS instance.\r | |
80 | @param[in, out] FragmentTable Pointer to a list of fragment.\r | |
81 | On input these fragments contain the TLS header and\r | |
82 | cipher text TLS payload;\r | |
83 | On output these fragments contain the TLS header and\r | |
84 | plain text TLS payload.\r | |
85 | @param[in] FragmentCount Number of fragment.\r | |
86 | \r | |
87 | @retval EFI_SUCCESS The operation completed successfully.\r | |
88 | @retval EFI_OUT_OF_RESOURCES Can't allocate memory resources.\r | |
89 | @retval EFI_ABORTED TLS session state is incorrect.\r | |
90 | @retval Others Other errors as indicated.\r | |
91 | **/\r | |
92 | EFI_STATUS\r | |
93 | TlsDecryptPacket (\r | |
94 | IN TLS_INSTANCE *TlsInstance,\r | |
95 | IN OUT EFI_TLS_FRAGMENT_DATA **FragmentTable,\r | |
96 | IN UINT32 *FragmentCount\r | |
97 | );\r | |
98 | \r | |
99 | /**\r | |
100 | Set TLS session data.\r | |
101 | \r | |
102 | The SetSessionData() function set data for a new TLS session. All session data should\r | |
103 | be set before BuildResponsePacket() invoked.\r | |
104 | \r | |
105 | @param[in] This Pointer to the EFI_TLS_PROTOCOL instance.\r | |
106 | @param[in] DataType TLS session data type.\r | |
107 | @param[in] Data Pointer to session data.\r | |
108 | @param[in] DataSize Total size of session data.\r | |
109 | \r | |
110 | @retval EFI_SUCCESS The TLS session data is set successfully.\r | |
111 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r | |
112 | This is NULL.\r | |
113 | Data is NULL.\r | |
114 | DataSize is 0.\r | |
115 | @retval EFI_UNSUPPORTED The DataType is unsupported.\r | |
116 | @retval EFI_ACCESS_DENIED If the DataType is one of below:\r | |
117 | EfiTlsClientRandom\r | |
118 | EfiTlsServerRandom\r | |
119 | EfiTlsKeyMaterial\r | |
120 | @retval EFI_NOT_READY Current TLS session state is NOT\r | |
121 | EfiTlsSessionStateNotStarted.\r | |
122 | @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.\r | |
123 | **/\r | |
124 | EFI_STATUS\r | |
125 | EFIAPI\r | |
126 | TlsSetSessionData (\r | |
127 | IN EFI_TLS_PROTOCOL *This,\r | |
128 | IN EFI_TLS_SESSION_DATA_TYPE DataType,\r | |
129 | IN VOID *Data,\r | |
130 | IN UINTN DataSize\r | |
131 | );\r | |
132 | \r | |
133 | /**\r | |
134 | Get TLS session data.\r | |
135 | \r | |
136 | The GetSessionData() function return the TLS session information.\r | |
137 | \r | |
138 | @param[in] This Pointer to the EFI_TLS_PROTOCOL instance.\r | |
139 | @param[in] DataType TLS session data type.\r | |
140 | @param[in, out] Data Pointer to session data.\r | |
141 | @param[in, out] DataSize Total size of session data. On input, it means\r | |
142 | the size of Data buffer. On output, it means the size\r | |
143 | of copied Data buffer if EFI_SUCCESS, and means the\r | |
144 | size of desired Data buffer if EFI_BUFFER_TOO_SMALL.\r | |
145 | \r | |
146 | @retval EFI_SUCCESS The TLS session data is got successfully.\r | |
147 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r | |
148 | This is NULL.\r | |
149 | DataSize is NULL.\r | |
150 | Data is NULL if *DataSize is not zero.\r | |
151 | @retval EFI_UNSUPPORTED The DataType is unsupported.\r | |
152 | @retval EFI_NOT_FOUND The TLS session data is not found.\r | |
153 | @retval EFI_NOT_READY The DataType is not ready in current session state.\r | |
154 | @retval EFI_BUFFER_TOO_SMALL The buffer is too small to hold the data.\r | |
155 | **/\r | |
156 | EFI_STATUS\r | |
157 | EFIAPI\r | |
158 | TlsGetSessionData (\r | |
159 | IN EFI_TLS_PROTOCOL *This,\r | |
160 | IN EFI_TLS_SESSION_DATA_TYPE DataType,\r | |
161 | IN OUT VOID *Data, OPTIONAL\r | |
162 | IN OUT UINTN *DataSize\r | |
163 | );\r | |
164 | \r | |
165 | /**\r | |
166 | Build response packet according to TLS state machine. This function is only valid for\r | |
167 | alert, handshake and change_cipher_spec content type.\r | |
168 | \r | |
169 | The BuildResponsePacket() function builds TLS response packet in response to the TLS\r | |
170 | request packet specified by RequestBuffer and RequestSize. If RequestBuffer is NULL and\r | |
171 | RequestSize is 0, and TLS session status is EfiTlsSessionNotStarted, the TLS session\r | |
172 | will be initiated and the response packet needs to be ClientHello. If RequestBuffer is\r | |
173 | NULL and RequestSize is 0, and TLS session status is EfiTlsSessionClosing, the TLS\r | |
174 | session will be closed and response packet needs to be CloseNotify. If RequestBuffer is\r | |
175 | NULL and RequestSize is 0, and TLS session status is EfiTlsSessionError, the TLS\r | |
176 | session has errors and the response packet needs to be Alert message based on error\r | |
177 | type.\r | |
178 | \r | |
179 | @param[in] This Pointer to the EFI_TLS_PROTOCOL instance.\r | |
180 | @param[in] RequestBuffer Pointer to the most recently received TLS packet. NULL\r | |
181 | means TLS need initiate the TLS session and response\r | |
182 | packet need to be ClientHello.\r | |
183 | @param[in] RequestSize Packet size in bytes for the most recently received TLS\r | |
184 | packet. 0 is only valid when RequestBuffer is NULL.\r | |
185 | @param[out] Buffer Pointer to the buffer to hold the built packet.\r | |
186 | @param[in, out] BufferSize Pointer to the buffer size in bytes. On input, it is\r | |
187 | the buffer size provided by the caller. On output, it\r | |
188 | is the buffer size in fact needed to contain the\r | |
189 | packet.\r | |
190 | \r | |
191 | @retval EFI_SUCCESS The required TLS packet is built successfully.\r | |
192 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r | |
193 | This is NULL.\r | |
194 | RequestBuffer is NULL but RequestSize is NOT 0.\r | |
195 | RequestSize is 0 but RequestBuffer is NOT NULL.\r | |
196 | BufferSize is NULL.\r | |
197 | Buffer is NULL if *BufferSize is not zero.\r | |
198 | @retval EFI_BUFFER_TOO_SMALL BufferSize is too small to hold the response packet.\r | |
199 | @retval EFI_NOT_READY Current TLS session state is NOT ready to build\r | |
200 | ResponsePacket.\r | |
201 | @retval EFI_ABORTED Something wrong build response packet.\r | |
202 | **/\r | |
203 | EFI_STATUS\r | |
204 | EFIAPI\r | |
205 | TlsBuildResponsePacket (\r | |
206 | IN EFI_TLS_PROTOCOL *This,\r | |
207 | IN UINT8 *RequestBuffer, OPTIONAL\r | |
208 | IN UINTN RequestSize, OPTIONAL\r | |
209 | OUT UINT8 *Buffer, OPTIONAL\r | |
210 | IN OUT UINTN *BufferSize\r | |
211 | );\r | |
212 | \r | |
213 | /**\r | |
214 | Decrypt or encrypt TLS packet during session. This function is only valid after\r | |
215 | session connected and for application_data content type.\r | |
216 | \r | |
217 | The ProcessPacket () function process each inbound or outbound TLS APP packet.\r | |
218 | \r | |
219 | @param[in] This Pointer to the EFI_TLS_PROTOCOL instance.\r | |
220 | @param[in, out] FragmentTable Pointer to a list of fragment. The caller will take\r | |
221 | responsible to handle the original FragmentTable while\r | |
222 | it may be reallocated in TLS driver. If CryptMode is\r | |
223 | EfiTlsEncrypt, on input these fragments contain the TLS\r | |
224 | header and plain text TLS APP payload; on output these\r | |
225 | fragments contain the TLS header and cipher text TLS\r | |
226 | APP payload. If CryptMode is EfiTlsDecrypt, on input\r | |
227 | these fragments contain the TLS header and cipher text\r | |
228 | TLS APP payload; on output these fragments contain the\r | |
229 | TLS header and plain text TLS APP payload.\r | |
230 | @param[in] FragmentCount Number of fragment.\r | |
231 | @param[in] CryptMode Crypt mode.\r | |
232 | \r | |
233 | @retval EFI_SUCCESS The operation completed successfully.\r | |
234 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r | |
235 | This is NULL.\r | |
236 | FragmentTable is NULL.\r | |
237 | FragmentCount is NULL.\r | |
238 | CryptoMode is invalid.\r | |
239 | @retval EFI_NOT_READY Current TLS session state is NOT\r | |
240 | EfiTlsSessionDataTransferring.\r | |
241 | @retval EFI_ABORTED Something wrong decryption the message. TLS session\r | |
242 | status will become EfiTlsSessionError. The caller need\r | |
243 | call BuildResponsePacket() to generate Error Alert\r | |
244 | message and send it out.\r | |
245 | @retval EFI_OUT_OF_RESOURCES No enough resource to finish the operation.\r | |
246 | **/\r | |
247 | EFI_STATUS\r | |
248 | EFIAPI\r | |
249 | TlsProcessPacket (\r | |
250 | IN EFI_TLS_PROTOCOL *This,\r | |
251 | IN OUT EFI_TLS_FRAGMENT_DATA **FragmentTable,\r | |
252 | IN UINT32 *FragmentCount,\r | |
253 | IN EFI_TLS_CRYPT_MODE CryptMode\r | |
254 | );\r | |
255 | \r | |
256 | /**\r | |
257 | Set TLS configuration data.\r | |
258 | \r | |
259 | The SetData() function sets TLS configuration to non-volatile storage or volatile\r | |
260 | storage.\r | |
261 | \r | |
262 | @param[in] This Pointer to the EFI_TLS_CONFIGURATION_PROTOCOL instance.\r | |
263 | @param[in] DataType Configuration data type.\r | |
264 | @param[in] Data Pointer to configuration data.\r | |
265 | @param[in] DataSize Total size of configuration data.\r | |
266 | \r | |
267 | @retval EFI_SUCCESS The TLS configuration data is set successfully.\r | |
268 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r | |
269 | This is NULL.\r | |
270 | Data is NULL.\r | |
271 | DataSize is 0.\r | |
272 | @retval EFI_UNSUPPORTED The DataType is unsupported.\r | |
273 | @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.\r | |
274 | **/\r | |
275 | EFI_STATUS\r | |
276 | EFIAPI\r | |
277 | TlsConfigurationSetData (\r | |
278 | IN EFI_TLS_CONFIGURATION_PROTOCOL *This,\r | |
279 | IN EFI_TLS_CONFIG_DATA_TYPE DataType,\r | |
280 | IN VOID *Data,\r | |
281 | IN UINTN DataSize\r | |
282 | );\r | |
283 | \r | |
284 | /**\r | |
285 | Get TLS configuration data.\r | |
286 | \r | |
287 | The GetData() function gets TLS configuration.\r | |
288 | \r | |
289 | @param[in] This Pointer to the EFI_TLS_CONFIGURATION_PROTOCOL instance.\r | |
290 | @param[in] DataType Configuration data type.\r | |
291 | @param[in, out] Data Pointer to configuration data.\r | |
292 | @param[in, out] DataSize Total size of configuration data. On input, it means\r | |
293 | the size of Data buffer. On output, it means the size\r | |
294 | of copied Data buffer if EFI_SUCCESS, and means the\r | |
295 | size of desired Data buffer if EFI_BUFFER_TOO_SMALL.\r | |
296 | \r | |
297 | @retval EFI_SUCCESS The TLS configuration data is got successfully.\r | |
298 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r | |
299 | This is NULL.\r | |
300 | DataSize is NULL.\r | |
301 | Data is NULL if *DataSize is not zero.\r | |
302 | @retval EFI_UNSUPPORTED The DataType is unsupported.\r | |
303 | @retval EFI_NOT_FOUND The TLS configuration data is not found.\r | |
304 | @retval EFI_BUFFER_TOO_SMALL The buffer is too small to hold the data.\r | |
305 | **/\r | |
306 | EFI_STATUS\r | |
307 | EFIAPI\r | |
308 | TlsConfigurationGetData (\r | |
309 | IN EFI_TLS_CONFIGURATION_PROTOCOL *This,\r | |
310 | IN EFI_TLS_CONFIG_DATA_TYPE DataType,\r | |
311 | IN OUT VOID *Data, OPTIONAL\r | |
312 | IN OUT UINTN *DataSize\r | |
313 | );\r | |
314 | \r | |
315 | #endif\r | |
316 | \r |