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0c18794e | 1 | /** @file\r |
607599bf | 2 | \r |
3 | Execute pending TPM requests from OS or BIOS and Lock TPM.\r | |
4 | \r | |
dc204d5a JY |
5 | Caution: This module requires additional review when modified.\r |
6 | This driver will have external input - variable.\r | |
7 | This external input must be validated carefully to avoid security issue.\r | |
8 | \r | |
9 | ExecutePendingTpmRequest() will receive untrusted input and do validation.\r | |
10 | \r | |
4610b23a | 11 | Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r |
0c18794e | 12 | This program and the accompanying materials \r |
13 | are licensed and made available under the terms and conditions of the BSD License \r | |
14 | which accompanies this distribution. The full text of the license may be found at \r | |
15 | http://opensource.org/licenses/bsd-license.php\r | |
16 | \r | |
17 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
18 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
19 | \r | |
20 | **/\r | |
21 | \r | |
607599bf | 22 | #include <PiDxe.h>\r |
23 | \r | |
24 | #include <Protocol/TcgService.h>\r | |
ed094569 | 25 | #include <Protocol/VariableLock.h>\r |
607599bf | 26 | #include <Library/DebugLib.h>\r |
27 | #include <Library/BaseMemoryLib.h>\r | |
28 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
29 | #include <Library/UefiDriverEntryPoint.h>\r | |
30 | #include <Library/UefiBootServicesTableLib.h>\r | |
31 | #include <Library/UefiLib.h>\r | |
32 | #include <Library/MemoryAllocationLib.h>\r | |
33 | #include <Library/PrintLib.h>\r | |
34 | #include <Library/HiiLib.h>\r | |
35 | #include <Guid/EventGroup.h>\r | |
36 | #include <Guid/PhysicalPresenceData.h>\r | |
4610b23a | 37 | #include <Library/TcgPpVendorLib.h>\r |
607599bf | 38 | \r |
607599bf | 39 | #define CONFIRM_BUFFER_SIZE 4096\r |
0c18794e | 40 | \r |
41 | EFI_HII_HANDLE mPpStringPackHandle;\r | |
42 | \r | |
607599bf | 43 | /**\r |
44 | Get string by string id from HII Interface.\r | |
45 | \r | |
46 | @param[in] Id String ID.\r | |
47 | \r | |
48 | @retval CHAR16 * String from ID.\r | |
49 | @retval NULL If error occurs.\r | |
50 | \r | |
51 | **/\r | |
52 | CHAR16 *\r | |
53 | PhysicalPresenceGetStringById (\r | |
54 | IN EFI_STRING_ID Id\r | |
55 | )\r | |
56 | {\r | |
57 | return HiiGetString (mPpStringPackHandle, Id, NULL);\r | |
58 | }\r | |
59 | \r | |
0c18794e | 60 | /**\r |
61 | Get TPM physical presence permanent flags.\r | |
62 | \r | |
607599bf | 63 | @param[in] TcgProtocol EFI TCG Protocol instance. \r |
64 | @param[out] LifetimeLock physicalPresenceLifetimeLock permanent flag. \r | |
65 | @param[out] CmdEnable physicalPresenceCMDEnable permanent flag.\r | |
0c18794e | 66 | \r |
67 | @retval EFI_SUCCESS Flags were returns successfully.\r | |
68 | @retval other Failed to locate EFI TCG Protocol.\r | |
69 | \r | |
70 | **/\r | |
71 | EFI_STATUS\r | |
72 | GetTpmCapability (\r | |
607599bf | 73 | IN EFI_TCG_PROTOCOL *TcgProtocol,\r |
0c18794e | 74 | OUT BOOLEAN *LifetimeLock,\r |
75 | OUT BOOLEAN *CmdEnable\r | |
76 | )\r | |
77 | {\r | |
78 | EFI_STATUS Status;\r | |
0c18794e | 79 | TPM_RQU_COMMAND_HDR *TpmRqu;\r |
80 | TPM_RSP_COMMAND_HDR *TpmRsp;\r | |
81 | UINT32 *SendBufPtr;\r | |
82 | UINT8 SendBuffer[sizeof (*TpmRqu) + sizeof (UINT32) * 3];\r | |
83 | TPM_PERMANENT_FLAGS *TpmPermanentFlags;\r | |
84 | UINT8 RecvBuffer[40];\r | |
85 | \r | |
0c18794e | 86 | //\r |
87 | // Fill request header\r | |
88 | //\r | |
89 | TpmRsp = (TPM_RSP_COMMAND_HDR*)RecvBuffer;\r | |
90 | TpmRqu = (TPM_RQU_COMMAND_HDR*)SendBuffer;\r | |
91 | \r | |
607599bf | 92 | TpmRqu->tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r |
93 | TpmRqu->paramSize = SwapBytes32 (sizeof (SendBuffer));\r | |
94 | TpmRqu->ordinal = SwapBytes32 (TPM_ORD_GetCapability);\r | |
0c18794e | 95 | \r |
96 | //\r | |
97 | // Set request parameter\r | |
98 | //\r | |
99 | SendBufPtr = (UINT32*)(TpmRqu + 1);\r | |
607599bf | 100 | WriteUnaligned32 (SendBufPtr++, SwapBytes32 (TPM_CAP_FLAG));\r |
101 | WriteUnaligned32 (SendBufPtr++, SwapBytes32 (sizeof (TPM_CAP_FLAG_PERMANENT)));\r | |
102 | WriteUnaligned32 (SendBufPtr, SwapBytes32 (TPM_CAP_FLAG_PERMANENT)); \r | |
0c18794e | 103 | \r |
104 | Status = TcgProtocol->PassThroughToTpm (\r | |
105 | TcgProtocol,\r | |
106 | sizeof (SendBuffer),\r | |
107 | (UINT8*)TpmRqu,\r | |
108 | sizeof (RecvBuffer),\r | |
109 | (UINT8*)&RecvBuffer\r | |
110 | );\r | |
111 | ASSERT_EFI_ERROR (Status);\r | |
607599bf | 112 | ASSERT (TpmRsp->tag == SwapBytes16 (TPM_TAG_RSP_COMMAND));\r |
0c18794e | 113 | ASSERT (TpmRsp->returnCode == 0);\r |
114 | \r | |
115 | TpmPermanentFlags = (TPM_PERMANENT_FLAGS *)&RecvBuffer[sizeof (TPM_RSP_COMMAND_HDR) + sizeof (UINT32)];\r | |
116 | \r | |
117 | if (LifetimeLock != NULL) {\r | |
118 | *LifetimeLock = TpmPermanentFlags->physicalPresenceLifetimeLock;\r | |
119 | }\r | |
120 | \r | |
121 | if (CmdEnable != NULL) {\r | |
122 | *CmdEnable = TpmPermanentFlags->physicalPresenceCMDEnable;\r | |
123 | }\r | |
124 | \r | |
125 | return Status;\r | |
126 | }\r | |
127 | \r | |
128 | /**\r | |
129 | Issue TSC_PhysicalPresence command to TPM.\r | |
130 | \r | |
607599bf | 131 | @param[in] TcgProtocol EFI TCG Protocol instance. \r |
0c18794e | 132 | @param[in] PhysicalPresence The state to set the TPM's Physical Presence flags. \r |
133 | \r | |
134 | @retval EFI_SUCCESS TPM executed the command successfully.\r | |
135 | @retval EFI_SECURITY_VIOLATION TPM returned error when executing the command.\r | |
136 | @retval other Failed to locate EFI TCG Protocol.\r | |
137 | \r | |
138 | **/\r | |
139 | EFI_STATUS\r | |
140 | TpmPhysicalPresence (\r | |
607599bf | 141 | IN EFI_TCG_PROTOCOL *TcgProtocol,\r |
0c18794e | 142 | IN TPM_PHYSICAL_PRESENCE PhysicalPresence\r |
143 | )\r | |
144 | {\r | |
145 | EFI_STATUS Status;\r | |
0c18794e | 146 | TPM_RQU_COMMAND_HDR *TpmRqu;\r |
147 | TPM_PHYSICAL_PRESENCE *TpmPp;\r | |
148 | TPM_RSP_COMMAND_HDR TpmRsp;\r | |
149 | UINT8 Buffer[sizeof (*TpmRqu) + sizeof (*TpmPp)];\r | |
150 | \r | |
0c18794e | 151 | TpmRqu = (TPM_RQU_COMMAND_HDR*)Buffer;\r |
152 | TpmPp = (TPM_PHYSICAL_PRESENCE*)(TpmRqu + 1);\r | |
153 | \r | |
607599bf | 154 | TpmRqu->tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r |
155 | TpmRqu->paramSize = SwapBytes32 (sizeof (Buffer));\r | |
156 | TpmRqu->ordinal = SwapBytes32 (TSC_ORD_PhysicalPresence);\r | |
157 | WriteUnaligned16 (TpmPp, (TPM_PHYSICAL_PRESENCE) SwapBytes16 (PhysicalPresence)); \r | |
0c18794e | 158 | \r |
159 | Status = TcgProtocol->PassThroughToTpm (\r | |
160 | TcgProtocol,\r | |
161 | sizeof (Buffer),\r | |
162 | (UINT8*)TpmRqu,\r | |
163 | sizeof (TpmRsp),\r | |
164 | (UINT8*)&TpmRsp\r | |
165 | );\r | |
166 | ASSERT_EFI_ERROR (Status);\r | |
607599bf | 167 | ASSERT (TpmRsp.tag == SwapBytes16 (TPM_TAG_RSP_COMMAND));\r |
0c18794e | 168 | if (TpmRsp.returnCode != 0) {\r |
169 | //\r | |
170 | // If it fails, some requirements may be needed for this command.\r | |
171 | //\r | |
172 | return EFI_SECURITY_VIOLATION;\r | |
173 | }\r | |
607599bf | 174 | \r |
0c18794e | 175 | return Status;\r |
176 | }\r | |
177 | \r | |
178 | /**\r | |
179 | Issue a TPM command for which no additional output data will be returned.\r | |
180 | \r | |
181 | @param[in] TcgProtocol EFI TCG Protocol instance. \r | |
182 | @param[in] Ordinal TPM command code. \r | |
183 | @param[in] AdditionalParameterSize Additional parameter size. \r | |
184 | @param[in] AdditionalParameters Pointer to the Additional paramaters. \r | |
185 | \r | |
4610b23a JY |
186 | @retval TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE Error occurred during sending command to TPM or \r |
187 | receiving response from TPM.\r | |
188 | @retval Others Return code from the TPM device after command execution.\r | |
0c18794e | 189 | \r |
190 | **/\r | |
4610b23a | 191 | UINT32\r |
0c18794e | 192 | TpmCommandNoReturnData (\r |
193 | IN EFI_TCG_PROTOCOL *TcgProtocol,\r | |
194 | IN TPM_COMMAND_CODE Ordinal,\r | |
195 | IN UINTN AdditionalParameterSize,\r | |
196 | IN VOID *AdditionalParameters\r | |
197 | )\r | |
198 | {\r | |
199 | EFI_STATUS Status;\r | |
200 | TPM_RQU_COMMAND_HDR *TpmRqu;\r | |
201 | TPM_RSP_COMMAND_HDR TpmRsp;\r | |
202 | UINT32 Size;\r | |
203 | \r | |
607599bf | 204 | TpmRqu = (TPM_RQU_COMMAND_HDR*) AllocatePool (sizeof (*TpmRqu) + AdditionalParameterSize);\r |
0c18794e | 205 | if (TpmRqu == NULL) {\r |
4610b23a | 206 | return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE;\r |
0c18794e | 207 | }\r |
208 | \r | |
607599bf | 209 | TpmRqu->tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r |
0c18794e | 210 | Size = (UINT32)(sizeof (*TpmRqu) + AdditionalParameterSize);\r |
607599bf | 211 | TpmRqu->paramSize = SwapBytes32 (Size);\r |
212 | TpmRqu->ordinal = SwapBytes32 (Ordinal);\r | |
213 | CopyMem (TpmRqu + 1, AdditionalParameters, AdditionalParameterSize);\r | |
0c18794e | 214 | \r |
215 | Status = TcgProtocol->PassThroughToTpm (\r | |
216 | TcgProtocol,\r | |
217 | Size,\r | |
218 | (UINT8*)TpmRqu,\r | |
219 | (UINT32)sizeof (TpmRsp),\r | |
220 | (UINT8*)&TpmRsp\r | |
221 | );\r | |
222 | FreePool (TpmRqu);\r | |
607599bf | 223 | if (EFI_ERROR (Status) || (TpmRsp.tag != SwapBytes16 (TPM_TAG_RSP_COMMAND))) {\r |
4610b23a | 224 | return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE;\r |
0c18794e | 225 | }\r |
607599bf | 226 | return SwapBytes32 (TpmRsp.returnCode);\r |
0c18794e | 227 | }\r |
228 | \r | |
229 | /**\r | |
230 | Execute physical presence operation requested by the OS.\r | |
231 | \r | |
607599bf | 232 | @param[in] TcgProtocol EFI TCG Protocol instance.\r |
233 | @param[in] CommandCode Physical presence operation value.\r | |
234 | @param[in, out] PpiFlags The physical presence interface flags.\r | |
0c18794e | 235 | \r |
4610b23a JY |
236 | @retval TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE Unknown physical presence operation.\r |
237 | @retval TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE Error occurred during sending command to TPM or \r | |
238 | receiving response from TPM.\r | |
239 | @retval Others Return code from the TPM device after command execution.\r | |
0c18794e | 240 | \r |
241 | **/\r | |
4610b23a | 242 | UINT32\r |
0c18794e | 243 | ExecutePhysicalPresence (\r |
4610b23a JY |
244 | IN EFI_TCG_PROTOCOL *TcgProtocol,\r |
245 | IN UINT32 CommandCode,\r | |
246 | IN OUT EFI_PHYSICAL_PRESENCE_FLAGS *PpiFlags\r | |
0c18794e | 247 | )\r |
248 | {\r | |
249 | BOOLEAN BoolVal;\r | |
4610b23a | 250 | UINT32 TpmResponse;\r |
0c18794e | 251 | UINT32 InData[5];\r |
252 | \r | |
253 | switch (CommandCode) {\r | |
607599bf | 254 | case PHYSICAL_PRESENCE_ENABLE:\r |
0c18794e | 255 | return TpmCommandNoReturnData (\r |
256 | TcgProtocol,\r | |
257 | TPM_ORD_PhysicalEnable,\r | |
258 | 0,\r | |
259 | NULL\r | |
260 | );\r | |
261 | \r | |
607599bf | 262 | case PHYSICAL_PRESENCE_DISABLE:\r |
0c18794e | 263 | return TpmCommandNoReturnData (\r |
264 | TcgProtocol,\r | |
265 | TPM_ORD_PhysicalDisable,\r | |
266 | 0,\r | |
267 | NULL\r | |
268 | );\r | |
269 | \r | |
607599bf | 270 | case PHYSICAL_PRESENCE_ACTIVATE:\r |
0c18794e | 271 | BoolVal = FALSE;\r |
272 | return TpmCommandNoReturnData (\r | |
273 | TcgProtocol,\r | |
274 | TPM_ORD_PhysicalSetDeactivated,\r | |
275 | sizeof (BoolVal),\r | |
276 | &BoolVal\r | |
277 | );\r | |
278 | \r | |
607599bf | 279 | case PHYSICAL_PRESENCE_DEACTIVATE:\r |
0c18794e | 280 | BoolVal = TRUE;\r |
281 | return TpmCommandNoReturnData (\r | |
282 | TcgProtocol,\r | |
283 | TPM_ORD_PhysicalSetDeactivated,\r | |
284 | sizeof (BoolVal),\r | |
285 | &BoolVal\r | |
286 | );\r | |
287 | \r | |
607599bf | 288 | case PHYSICAL_PRESENCE_CLEAR:\r |
0c18794e | 289 | return TpmCommandNoReturnData (\r |
290 | TcgProtocol,\r | |
291 | TPM_ORD_ForceClear,\r | |
292 | 0,\r | |
293 | NULL\r | |
294 | );\r | |
295 | \r | |
607599bf | 296 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE:\r |
297 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_ENABLE, PpiFlags);\r | |
0c18794e | 298 | if (TpmResponse == 0) {\r |
607599bf | 299 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_ACTIVATE, PpiFlags);\r |
0c18794e | 300 | }\r |
301 | return TpmResponse;\r | |
302 | \r | |
607599bf | 303 | case PHYSICAL_PRESENCE_DEACTIVATE_DISABLE:\r |
304 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_DEACTIVATE, PpiFlags);\r | |
0c18794e | 305 | if (TpmResponse == 0) {\r |
607599bf | 306 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_DISABLE, PpiFlags);\r |
0c18794e | 307 | }\r |
308 | return TpmResponse;\r | |
309 | \r | |
607599bf | 310 | case PHYSICAL_PRESENCE_SET_OWNER_INSTALL_TRUE:\r |
0c18794e | 311 | BoolVal = TRUE;\r |
312 | return TpmCommandNoReturnData (\r | |
313 | TcgProtocol,\r | |
314 | TPM_ORD_SetOwnerInstall,\r | |
315 | sizeof (BoolVal),\r | |
316 | &BoolVal\r | |
317 | );\r | |
318 | \r | |
607599bf | 319 | case PHYSICAL_PRESENCE_SET_OWNER_INSTALL_FALSE:\r |
0c18794e | 320 | BoolVal = FALSE;\r |
321 | return TpmCommandNoReturnData (\r | |
322 | TcgProtocol,\r | |
323 | TPM_ORD_SetOwnerInstall,\r | |
324 | sizeof (BoolVal),\r | |
325 | &BoolVal\r | |
326 | );\r | |
327 | \r | |
607599bf | 328 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_OWNER_TRUE:\r |
0c18794e | 329 | //\r |
607599bf | 330 | // PHYSICAL_PRESENCE_ENABLE_ACTIVATE + PHYSICAL_PRESENCE_SET_OWNER_INSTALL_TRUE\r |
331 | // PHYSICAL_PRESENCE_SET_OWNER_INSTALL_TRUE will be executed after reboot\r | |
0c18794e | 332 | //\r |
4610b23a | 333 | if ((PpiFlags->PPFlags & TCG_VENDOR_LIB_FLAG_RESET_TRACK) == 0) {\r |
607599bf | 334 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_ENABLE_ACTIVATE, PpiFlags);\r |
4610b23a | 335 | PpiFlags->PPFlags |= TCG_VENDOR_LIB_FLAG_RESET_TRACK;\r |
0c18794e | 336 | } else {\r |
607599bf | 337 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_SET_OWNER_INSTALL_TRUE, PpiFlags);\r |
4610b23a | 338 | PpiFlags->PPFlags &= ~TCG_VENDOR_LIB_FLAG_RESET_TRACK;\r |
0c18794e | 339 | }\r |
340 | return TpmResponse;\r | |
341 | \r | |
607599bf | 342 | case PHYSICAL_PRESENCE_DEACTIVATE_DISABLE_OWNER_FALSE:\r |
343 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_SET_OWNER_INSTALL_FALSE, PpiFlags);\r | |
0c18794e | 344 | if (TpmResponse == 0) {\r |
607599bf | 345 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_DEACTIVATE_DISABLE, PpiFlags);\r |
0c18794e | 346 | }\r |
347 | return TpmResponse;\r | |
348 | \r | |
607599bf | 349 | case PHYSICAL_PRESENCE_DEFERRED_PP_UNOWNERED_FIELD_UPGRADE:\r |
350 | InData[0] = SwapBytes32 (TPM_SET_STCLEAR_DATA); // CapabilityArea\r | |
351 | InData[1] = SwapBytes32 (sizeof(UINT32)); // SubCapSize\r | |
352 | InData[2] = SwapBytes32 (TPM_SD_DEFERREDPHYSICALPRESENCE); // SubCap\r | |
353 | InData[3] = SwapBytes32 (sizeof(UINT32)); // SetValueSize\r | |
354 | InData[4] = SwapBytes32 (1); // UnownedFieldUpgrade; bit0\r | |
0c18794e | 355 | return TpmCommandNoReturnData (\r |
356 | TcgProtocol,\r | |
357 | TPM_ORD_SetCapability,\r | |
358 | sizeof (UINT32) * 5,\r | |
359 | InData\r | |
360 | );\r | |
361 | \r | |
607599bf | 362 | case PHYSICAL_PRESENCE_SET_OPERATOR_AUTH:\r |
0c18794e | 363 | //\r |
364 | // TPM_SetOperatorAuth\r | |
365 | // This command requires UI to prompt user for Auth data\r | |
366 | // Here it is NOT implemented\r | |
367 | //\r | |
4610b23a | 368 | return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE;\r |
0c18794e | 369 | \r |
607599bf | 370 | case PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE:\r |
371 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_CLEAR, PpiFlags);\r | |
0c18794e | 372 | if (TpmResponse == 0) {\r |
607599bf | 373 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_ENABLE_ACTIVATE, PpiFlags);\r |
0c18794e | 374 | }\r |
375 | return TpmResponse;\r | |
376 | \r | |
607599bf | 377 | case PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_FALSE:\r |
4610b23a | 378 | PpiFlags->PPFlags &= ~TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_PROVISION;\r |
0c18794e | 379 | return 0;\r |
380 | \r | |
607599bf | 381 | case PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_TRUE:\r |
4610b23a | 382 | PpiFlags->PPFlags |= TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_PROVISION;\r |
0c18794e | 383 | return 0;\r |
384 | \r | |
607599bf | 385 | case PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_FALSE:\r |
4610b23a | 386 | PpiFlags->PPFlags &= ~TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_CLEAR;\r |
0c18794e | 387 | return 0;\r |
388 | \r | |
607599bf | 389 | case PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_TRUE:\r |
4610b23a | 390 | PpiFlags->PPFlags |= TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_CLEAR;\r |
0c18794e | 391 | return 0;\r |
392 | \r | |
607599bf | 393 | case PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_FALSE:\r |
4610b23a | 394 | PpiFlags->PPFlags &= ~TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_MAINTENANCE;\r |
0c18794e | 395 | return 0;\r |
396 | \r | |
607599bf | 397 | case PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_TRUE:\r |
4610b23a | 398 | PpiFlags->PPFlags |= TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_MAINTENANCE;\r |
0c18794e | 399 | return 0;\r |
400 | \r | |
607599bf | 401 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR:\r |
1f728ac7 | 402 | //\r |
403 | // PHYSICAL_PRESENCE_ENABLE_ACTIVATE + PHYSICAL_PRESENCE_CLEAR\r | |
404 | // PHYSICAL_PRESENCE_CLEAR will be executed after reboot.\r | |
405 | //\r | |
4610b23a | 406 | if ((PpiFlags->PPFlags & TCG_VENDOR_LIB_FLAG_RESET_TRACK) == 0) {\r |
1f728ac7 | 407 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_ENABLE_ACTIVATE, PpiFlags);\r |
4610b23a | 408 | PpiFlags->PPFlags |= TCG_VENDOR_LIB_FLAG_RESET_TRACK;\r |
1f728ac7 | 409 | } else {\r |
607599bf | 410 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_CLEAR, PpiFlags);\r |
4610b23a | 411 | PpiFlags->PPFlags &= ~TCG_VENDOR_LIB_FLAG_RESET_TRACK;\r |
0c18794e | 412 | }\r |
413 | return TpmResponse;\r | |
414 | \r | |
607599bf | 415 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE:\r |
0c18794e | 416 | //\r |
607599bf | 417 | // PHYSICAL_PRESENCE_ENABLE_ACTIVATE + PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE\r |
1f728ac7 | 418 | // PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE will be executed after reboot.\r |
0c18794e | 419 | //\r |
4610b23a | 420 | if ((PpiFlags->PPFlags & TCG_VENDOR_LIB_FLAG_RESET_TRACK) == 0) {\r |
607599bf | 421 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_ENABLE_ACTIVATE, PpiFlags);\r |
4610b23a | 422 | PpiFlags->PPFlags |= TCG_VENDOR_LIB_FLAG_RESET_TRACK;\r |
0c18794e | 423 | } else {\r |
607599bf | 424 | TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE, PpiFlags);\r |
4610b23a | 425 | PpiFlags->PPFlags &= ~TCG_VENDOR_LIB_FLAG_RESET_TRACK;\r |
0c18794e | 426 | } \r |
427 | return TpmResponse;\r | |
428 | \r | |
429 | default:\r | |
430 | ;\r | |
431 | }\r | |
4610b23a | 432 | return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE;\r |
0c18794e | 433 | }\r |
434 | \r | |
435 | \r | |
436 | /**\r | |
437 | Read the specified key for user confirmation.\r | |
438 | \r | |
439 | @param[in] CautionKey If true, F12 is used as confirm key;\r | |
440 | If false, F10 is used as confirm key.\r | |
441 | \r | |
442 | @retval TRUE User confirmed the changes by input.\r | |
48211402 | 443 | @retval FALSE User discarded the changes or device error.\r |
0c18794e | 444 | \r |
445 | **/\r | |
446 | BOOLEAN\r | |
447 | ReadUserKey (\r | |
448 | IN BOOLEAN CautionKey\r | |
449 | )\r | |
450 | {\r | |
451 | EFI_STATUS Status;\r | |
452 | EFI_INPUT_KEY Key;\r | |
453 | UINT16 InputKey;\r | |
48211402 | 454 | UINTN Index;\r |
455 | \r | |
0c18794e | 456 | InputKey = 0; \r |
457 | do {\r | |
48211402 | 458 | Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r |
459 | if (Status == EFI_NOT_READY) {\r | |
460 | gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &Index);\r | |
461 | continue;\r | |
462 | }\r | |
463 | \r | |
464 | if (Status == EFI_DEVICE_ERROR) {\r | |
465 | return FALSE;\r | |
466 | }\r | |
467 | \r | |
468 | if (Key.ScanCode == SCAN_ESC) {\r | |
469 | InputKey = Key.ScanCode;\r | |
470 | }\r | |
471 | if ((Key.ScanCode == SCAN_F10) && !CautionKey) {\r | |
472 | InputKey = Key.ScanCode;\r | |
473 | }\r | |
474 | if ((Key.ScanCode == SCAN_F12) && CautionKey) {\r | |
475 | InputKey = Key.ScanCode;\r | |
476 | }\r | |
0c18794e | 477 | } while (InputKey == 0);\r |
478 | \r | |
0c18794e | 479 | if (InputKey != SCAN_ESC) {\r |
480 | return TRUE;\r | |
481 | }\r | |
482 | \r | |
483 | return FALSE;\r | |
484 | }\r | |
485 | \r | |
607599bf | 486 | /**\r |
487 | The constructor function register UNI strings into imageHandle.\r | |
488 | \r | |
489 | It will ASSERT() if that operation fails and it will always return EFI_SUCCESS. \r | |
490 | \r | |
491 | @param ImageHandle The firmware allocated handle for the EFI image.\r | |
492 | @param SystemTable A pointer to the EFI System Table.\r | |
493 | \r | |
494 | @retval EFI_SUCCESS The constructor successfully added string package.\r | |
495 | @retval Other value The constructor can't add string package.\r | |
496 | \r | |
497 | **/\r | |
498 | EFI_STATUS\r | |
499 | EFIAPI\r | |
500 | TcgPhysicalPresenceLibConstructor (\r | |
501 | IN EFI_HANDLE ImageHandle,\r | |
502 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
503 | )\r | |
504 | {\r | |
6f0b8648 | 505 | mPpStringPackHandle = HiiAddPackages (&gEfiPhysicalPresenceGuid, ImageHandle, DxeTcgPhysicalPresenceLibStrings, NULL);\r |
607599bf | 506 | ASSERT (mPpStringPackHandle != NULL);\r |
507 | \r | |
508 | return EFI_SUCCESS;\r | |
509 | }\r | |
510 | \r | |
0c18794e | 511 | /**\r |
512 | Display the confirm text and get user confirmation.\r | |
513 | \r | |
514 | @param[in] TpmPpCommand The requested TPM physical presence command.\r | |
515 | \r | |
607599bf | 516 | @retval TRUE The user has confirmed the changes.\r |
517 | @retval FALSE The user doesn't confirm the changes.\r | |
0c18794e | 518 | **/\r |
519 | BOOLEAN\r | |
520 | UserConfirm (\r | |
4610b23a | 521 | IN UINT32 TpmPpCommand\r |
0c18794e | 522 | )\r |
523 | {\r | |
524 | CHAR16 *ConfirmText;\r | |
525 | CHAR16 *TmpStr1;\r | |
526 | CHAR16 *TmpStr2; \r | |
527 | UINTN BufSize;\r | |
528 | BOOLEAN CautionKey;\r | |
529 | UINT16 Index;\r | |
530 | CHAR16 DstStr[81];\r | |
531 | \r | |
532 | TmpStr2 = NULL;\r | |
533 | CautionKey = FALSE;\r | |
534 | BufSize = CONFIRM_BUFFER_SIZE;\r | |
535 | ConfirmText = AllocateZeroPool (BufSize);\r | |
536 | ASSERT (ConfirmText != NULL);\r | |
537 | \r | |
0c18794e | 538 | switch (TpmPpCommand) {\r |
607599bf | 539 | case PHYSICAL_PRESENCE_ENABLE:\r |
540 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ENABLE));\r | |
0c18794e | 541 | \r |
607599bf | 542 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR));\r |
0c18794e | 543 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
544 | FreePool (TmpStr1);\r | |
545 | \r | |
607599bf | 546 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r |
c2a65e23 | 547 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 548 | FreePool (TmpStr1);\r |
549 | break;\r | |
550 | \r | |
607599bf | 551 | case PHYSICAL_PRESENCE_DISABLE:\r |
552 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_DISABLE));\r | |
0c18794e | 553 | \r |
607599bf | 554 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR));\r |
0c18794e | 555 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
556 | FreePool (TmpStr1);\r | |
557 | \r | |
607599bf | 558 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));\r |
c2a65e23 | 559 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 560 | FreePool (TmpStr1);\r |
561 | \r | |
607599bf | 562 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r |
c2a65e23 | 563 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 564 | FreePool (TmpStr1);\r |
565 | break;\r | |
566 | \r | |
607599bf | 567 | case PHYSICAL_PRESENCE_ACTIVATE:\r |
568 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACTIVATE));\r | |
0c18794e | 569 | \r |
607599bf | 570 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR));\r |
0c18794e | 571 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
572 | FreePool (TmpStr1);\r | |
573 | \r | |
607599bf | 574 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r |
c2a65e23 | 575 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 576 | FreePool (TmpStr1);\r |
577 | break;\r | |
578 | \r | |
607599bf | 579 | case PHYSICAL_PRESENCE_DEACTIVATE:\r |
580 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_DEACTIVATE));\r | |
0c18794e | 581 | \r |
607599bf | 582 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR));\r |
0c18794e | 583 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
584 | FreePool (TmpStr1);\r | |
585 | \r | |
607599bf | 586 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));\r |
c2a65e23 | 587 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 588 | FreePool (TmpStr1);\r |
589 | \r | |
607599bf | 590 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r |
c2a65e23 | 591 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 592 | FreePool (TmpStr1); \r |
593 | break;\r | |
594 | \r | |
607599bf | 595 | case PHYSICAL_PRESENCE_CLEAR:\r |
0c18794e | 596 | CautionKey = TRUE;\r |
607599bf | 597 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CLEAR));\r |
0c18794e | 598 | \r |
607599bf | 599 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR));\r |
0c18794e | 600 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
601 | FreePool (TmpStr1);\r | |
602 | \r | |
607599bf | 603 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r |
c2a65e23 ZL |
604 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
605 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r | |
0c18794e | 606 | FreePool (TmpStr1); \r |
607 | \r | |
607599bf | 608 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r |
c2a65e23 | 609 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 610 | FreePool (TmpStr1);\r |
611 | break;\r | |
612 | \r | |
607599bf | 613 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE:\r |
614 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ENABLE_ACTIVATE));\r | |
0c18794e | 615 | \r |
607599bf | 616 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR));\r |
0c18794e | 617 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
618 | FreePool (TmpStr1);\r | |
619 | \r | |
607599bf | 620 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));\r |
c2a65e23 | 621 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 622 | FreePool (TmpStr1);\r |
623 | \r | |
607599bf | 624 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r |
c2a65e23 | 625 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 626 | FreePool (TmpStr1);\r |
627 | break;\r | |
628 | \r | |
607599bf | 629 | case PHYSICAL_PRESENCE_DEACTIVATE_DISABLE:\r |
630 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_DEACTIVATE_DISABLE));\r | |
0c18794e | 631 | \r |
607599bf | 632 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR)); \r |
0c18794e | 633 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
634 | FreePool (TmpStr1);\r | |
635 | \r | |
607599bf | 636 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_OFF));\r |
c2a65e23 | 637 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 638 | FreePool (TmpStr1);\r |
639 | \r | |
607599bf | 640 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));\r |
c2a65e23 | 641 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 642 | FreePool (TmpStr1);\r |
643 | \r | |
607599bf | 644 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r |
c2a65e23 | 645 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 646 | FreePool (TmpStr1);\r |
647 | break;\r | |
648 | \r | |
607599bf | 649 | case PHYSICAL_PRESENCE_SET_OWNER_INSTALL_TRUE:\r |
650 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ALLOW_TAKE_OWNERSHIP));\r | |
0c18794e | 651 | \r |
607599bf | 652 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR)); \r |
0c18794e | 653 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
654 | FreePool (TmpStr1);\r | |
655 | \r | |
607599bf | 656 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r |
c2a65e23 | 657 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 658 | FreePool (TmpStr1);\r |
659 | break;\r | |
660 | \r | |
607599bf | 661 | case PHYSICAL_PRESENCE_SET_OWNER_INSTALL_FALSE:\r |
662 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_DISALLOW_TAKE_OWNERSHIP));\r | |
0c18794e | 663 | \r |
607599bf | 664 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR)); \r |
0c18794e | 665 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
666 | FreePool (TmpStr1);\r | |
667 | \r | |
607599bf | 668 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r |
c2a65e23 | 669 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 670 | FreePool (TmpStr1);\r |
671 | break;\r | |
672 | \r | |
607599bf | 673 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_OWNER_TRUE:\r |
674 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_TURN_ON));\r | |
0c18794e | 675 | \r |
607599bf | 676 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR));\r |
0c18794e | 677 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
678 | FreePool (TmpStr1);\r | |
679 | \r | |
607599bf | 680 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));\r |
c2a65e23 | 681 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 682 | FreePool (TmpStr1);\r |
683 | \r | |
607599bf | 684 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r |
c2a65e23 | 685 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 686 | FreePool (TmpStr1);\r |
687 | break;\r | |
688 | \r | |
607599bf | 689 | case PHYSICAL_PRESENCE_DEACTIVATE_DISABLE_OWNER_FALSE:\r |
690 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_TURN_OFF));\r | |
0c18794e | 691 | \r |
607599bf | 692 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR)); \r |
0c18794e | 693 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
694 | FreePool (TmpStr1);\r | |
695 | \r | |
607599bf | 696 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_OFF));\r |
c2a65e23 | 697 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 698 | FreePool (TmpStr1);\r |
699 | \r | |
607599bf | 700 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));\r |
c2a65e23 | 701 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 702 | FreePool (TmpStr1);\r |
703 | \r | |
607599bf | 704 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r |
c2a65e23 | 705 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 706 | FreePool (TmpStr1);\r |
707 | break;\r | |
708 | \r | |
607599bf | 709 | case PHYSICAL_PRESENCE_DEFERRED_PP_UNOWNERED_FIELD_UPGRADE:\r |
0c18794e | 710 | CautionKey = TRUE;\r |
607599bf | 711 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_UNOWNED_FIELD_UPGRADE));\r |
0c18794e | 712 | \r |
607599bf | 713 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_UPGRADE_HEAD_STR)); \r |
0c18794e | 714 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
715 | FreePool (TmpStr1);\r | |
716 | \r | |
607599bf | 717 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_MAINTAIN));\r |
c2a65e23 | 718 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 719 | FreePool (TmpStr1);\r |
720 | \r | |
607599bf | 721 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r |
c2a65e23 | 722 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 723 | FreePool (TmpStr1);\r |
724 | break;\r | |
725 | \r | |
607599bf | 726 | case PHYSICAL_PRESENCE_SET_OPERATOR_AUTH:\r |
0c18794e | 727 | //\r |
728 | // TPM_SetOperatorAuth\r | |
729 | // This command requires UI to prompt user for Auth data\r | |
730 | // Here it is NOT implemented\r | |
731 | //\r | |
732 | break;\r | |
733 | \r | |
607599bf | 734 | case PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE:\r |
0c18794e | 735 | CautionKey = TRUE;\r |
607599bf | 736 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CLEAR_TURN_ON));\r |
0c18794e | 737 | \r |
607599bf | 738 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR));\r |
0c18794e | 739 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
740 | FreePool (TmpStr1);\r | |
741 | \r | |
607599bf | 742 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));\r |
c2a65e23 | 743 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 744 | FreePool (TmpStr1);\r |
745 | \r | |
607599bf | 746 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r |
c2a65e23 | 747 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 748 | FreePool (TmpStr1);\r |
749 | \r | |
607599bf | 750 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR_CONT));\r |
c2a65e23 | 751 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 752 | FreePool (TmpStr1);\r |
753 | \r | |
607599bf | 754 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r |
c2a65e23 | 755 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 756 | FreePool (TmpStr1);\r |
757 | break;\r | |
758 | \r | |
607599bf | 759 | case PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_TRUE:\r |
760 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_PROVISION));\r | |
0c18794e | 761 | \r |
607599bf | 762 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_PPI_HEAD_STR));\r |
0c18794e | 763 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
764 | FreePool (TmpStr1);\r | |
765 | \r | |
607599bf | 766 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r |
c2a65e23 | 767 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 768 | FreePool (TmpStr1);\r |
769 | \r | |
607599bf | 770 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));\r |
c2a65e23 | 771 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 772 | FreePool (TmpStr1);\r |
773 | break;\r | |
774 | \r | |
607599bf | 775 | case PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_TRUE:\r |
0c18794e | 776 | CautionKey = TRUE;\r |
607599bf | 777 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CLEAR));\r |
0c18794e | 778 | \r |
607599bf | 779 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_PPI_HEAD_STR));\r |
0c18794e | 780 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
781 | FreePool (TmpStr1);\r | |
782 | \r | |
607599bf | 783 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_CLEAR));\r |
c2a65e23 | 784 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 785 | FreePool (TmpStr1);\r |
786 | \r | |
607599bf | 787 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r |
c2a65e23 ZL |
788 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
789 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r | |
0c18794e | 790 | FreePool (TmpStr1); \r |
791 | \r | |
607599bf | 792 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r |
c2a65e23 | 793 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 794 | FreePool (TmpStr1);\r |
795 | \r | |
607599bf | 796 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));\r |
c2a65e23 | 797 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 798 | FreePool (TmpStr1);\r |
799 | break;\r | |
800 | \r | |
607599bf | 801 | case PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_TRUE:\r |
0c18794e | 802 | CautionKey = TRUE;\r |
607599bf | 803 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_MAINTAIN));\r |
0c18794e | 804 | \r |
607599bf | 805 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_PPI_HEAD_STR));\r |
0c18794e | 806 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
807 | FreePool (TmpStr1);\r | |
808 | \r | |
607599bf | 809 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_MAINTAIN));\r |
c2a65e23 | 810 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 811 | FreePool (TmpStr1);\r |
812 | \r | |
607599bf | 813 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r |
c2a65e23 | 814 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 815 | FreePool (TmpStr1);\r |
816 | \r | |
607599bf | 817 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));\r |
c2a65e23 | 818 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 819 | FreePool (TmpStr1);\r |
820 | break;\r | |
821 | \r | |
607599bf | 822 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR:\r |
0c18794e | 823 | CautionKey = TRUE;\r |
607599bf | 824 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ENABLE_ACTIVATE_CLEAR));\r |
0c18794e | 825 | \r |
607599bf | 826 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR));\r |
0c18794e | 827 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
828 | FreePool (TmpStr1);\r | |
829 | \r | |
607599bf | 830 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r |
c2a65e23 ZL |
831 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
832 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r | |
0c18794e | 833 | FreePool (TmpStr1);\r |
834 | \r | |
607599bf | 835 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r |
c2a65e23 | 836 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 837 | FreePool (TmpStr1);\r |
838 | break;\r | |
839 | \r | |
607599bf | 840 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE:\r |
0c18794e | 841 | CautionKey = TRUE;\r |
607599bf | 842 | TmpStr2 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE));\r |
0c18794e | 843 | \r |
607599bf | 844 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_HEAD_STR));\r |
0c18794e | 845 | UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r |
846 | FreePool (TmpStr1);\r | |
847 | \r | |
607599bf | 848 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));\r |
c2a65e23 | 849 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 850 | FreePool (TmpStr1);\r |
851 | \r | |
607599bf | 852 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r |
c2a65e23 | 853 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 854 | FreePool (TmpStr1);\r |
855 | \r | |
607599bf | 856 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR_CONT));\r |
c2a65e23 | 857 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 858 | FreePool (TmpStr1);\r |
859 | \r | |
607599bf | 860 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r |
c2a65e23 | 861 | StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r |
0c18794e | 862 | FreePool (TmpStr1);\r |
863 | break;\r | |
864 | \r | |
865 | default:\r | |
866 | ;\r | |
867 | }\r | |
868 | \r | |
869 | if (TmpStr2 == NULL) {\r | |
870 | FreePool (ConfirmText);\r | |
871 | return FALSE;\r | |
872 | }\r | |
873 | \r | |
607599bf | 874 | TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_REJECT_KEY));\r |
0c18794e | 875 | BufSize -= StrSize (ConfirmText);\r |
876 | UnicodeSPrint (ConfirmText + StrLen (ConfirmText), BufSize, TmpStr1, TmpStr2);\r | |
877 | \r | |
878 | DstStr[80] = L'\0';\r | |
879 | for (Index = 0; Index < StrLen (ConfirmText); Index += 80) {\r | |
c2a65e23 | 880 | StrnCpyS(DstStr, sizeof (DstStr) / sizeof (CHAR16), ConfirmText + Index, sizeof (DstStr) / sizeof (CHAR16) - 1); \r |
0c18794e | 881 | Print (DstStr); \r |
882 | }\r | |
883 | \r | |
884 | FreePool (TmpStr1);\r | |
885 | FreePool (TmpStr2);\r | |
886 | FreePool (ConfirmText);\r | |
887 | \r | |
888 | if (ReadUserKey (CautionKey)) {\r | |
889 | return TRUE;\r | |
890 | }\r | |
891 | \r | |
892 | return FALSE; \r | |
893 | }\r | |
894 | \r | |
895 | /**\r | |
48211402 | 896 | Check if there is a valid physical presence command request. Also updates parameter value \r |
897 | to whether the requested physical presence command already confirmed by user\r | |
898 | \r | |
15d73df9 | 899 | @param[in] TcgPpData EFI TCG Physical Presence request data.\r |
900 | @param[in] Flags The physical presence interface flags. \r | |
901 | @param[out] RequestConfirmed If the physical presence operation command required user confirm from UI.\r | |
902 | True, it indicates the command doesn't require user confirm, or already confirmed \r | |
903 | in last boot cycle by user.\r | |
904 | False, it indicates the command need user confirm from UI.\r | |
48211402 | 905 | \r |
906 | @retval TRUE Physical Presence operation command is valid.\r | |
907 | @retval FALSE Physical Presence operation command is invalid.\r | |
0c18794e | 908 | \r |
909 | **/\r | |
48211402 | 910 | BOOLEAN\r |
911 | HaveValidTpmRequest (\r | |
4610b23a JY |
912 | IN EFI_PHYSICAL_PRESENCE *TcgPpData,\r |
913 | IN EFI_PHYSICAL_PRESENCE_FLAGS Flags,\r | |
914 | OUT BOOLEAN *RequestConfirmed\r | |
0c18794e | 915 | )\r |
916 | {\r | |
4610b23a | 917 | BOOLEAN IsRequestValid;\r |
ed094569 | 918 | \r |
48211402 | 919 | *RequestConfirmed = FALSE;\r |
0c18794e | 920 | \r |
0c18794e | 921 | switch (TcgPpData->PPRequest) {\r |
607599bf | 922 | case PHYSICAL_PRESENCE_NO_ACTION:\r |
48211402 | 923 | *RequestConfirmed = TRUE;\r |
924 | return TRUE;\r | |
607599bf | 925 | case PHYSICAL_PRESENCE_ENABLE:\r |
926 | case PHYSICAL_PRESENCE_DISABLE:\r | |
927 | case PHYSICAL_PRESENCE_ACTIVATE:\r | |
928 | case PHYSICAL_PRESENCE_DEACTIVATE:\r | |
929 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE:\r | |
930 | case PHYSICAL_PRESENCE_DEACTIVATE_DISABLE:\r | |
931 | case PHYSICAL_PRESENCE_SET_OWNER_INSTALL_TRUE:\r | |
932 | case PHYSICAL_PRESENCE_SET_OWNER_INSTALL_FALSE:\r | |
933 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_OWNER_TRUE:\r | |
934 | case PHYSICAL_PRESENCE_DEACTIVATE_DISABLE_OWNER_FALSE:\r | |
935 | case PHYSICAL_PRESENCE_SET_OPERATOR_AUTH:\r | |
4610b23a | 936 | if ((Flags.PPFlags & TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_PROVISION) != 0) {\r |
48211402 | 937 | *RequestConfirmed = TRUE;\r |
0c18794e | 938 | }\r |
939 | break;\r | |
940 | \r | |
607599bf | 941 | case PHYSICAL_PRESENCE_CLEAR:\r |
942 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR:\r | |
4610b23a | 943 | if ((Flags.PPFlags & TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_CLEAR) != 0) {\r |
48211402 | 944 | *RequestConfirmed = TRUE;\r |
0c18794e | 945 | }\r |
946 | break;\r | |
947 | \r | |
607599bf | 948 | case PHYSICAL_PRESENCE_DEFERRED_PP_UNOWNERED_FIELD_UPGRADE:\r |
4610b23a | 949 | if ((Flags.PPFlags & TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_MAINTENANCE) != 0) {\r |
48211402 | 950 | *RequestConfirmed = TRUE;\r |
0c18794e | 951 | }\r |
952 | break;\r | |
953 | \r | |
607599bf | 954 | case PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE:\r |
955 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE:\r | |
4610b23a | 956 | if ((Flags.PPFlags & TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_CLEAR) != 0 && (Flags.PPFlags & TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_PROVISION) != 0) {\r |
48211402 | 957 | *RequestConfirmed = TRUE;\r |
0c18794e | 958 | }\r |
48211402 | 959 | break;\r |
0c18794e | 960 | \r |
607599bf | 961 | case PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_FALSE:\r |
962 | case PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_FALSE:\r | |
963 | case PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_FALSE:\r | |
48211402 | 964 | *RequestConfirmed = TRUE;\r |
0c18794e | 965 | break;\r |
48211402 | 966 | \r |
477be7c4 | 967 | case PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_TRUE:\r |
968 | case PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_TRUE:\r | |
969 | case PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_TRUE:\r | |
970 | break;\r | |
48211402 | 971 | \r |
568e7b27 | 972 | default:\r |
4610b23a JY |
973 | if (TcgPpData->PPRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION) {\r |
974 | IsRequestValid = TcgPpVendorLibHasValidRequest (TcgPpData->PPRequest, Flags.PPFlags, RequestConfirmed);\r | |
975 | if (!IsRequestValid) {\r | |
976 | return FALSE;\r | |
977 | } else {\r | |
978 | break;\r | |
979 | }\r | |
980 | } else {\r | |
981 | //\r | |
982 | // Wrong Physical Presence command\r | |
983 | //\r | |
984 | return FALSE;\r | |
985 | }\r | |
0c18794e | 986 | }\r |
987 | \r | |
4610b23a | 988 | if ((Flags.PPFlags & TCG_VENDOR_LIB_FLAG_RESET_TRACK) != 0) {\r |
0c18794e | 989 | //\r |
990 | // It had been confirmed in last boot, it doesn't need confirm again.\r | |
991 | //\r | |
48211402 | 992 | *RequestConfirmed = TRUE;\r |
993 | }\r | |
994 | \r | |
995 | //\r | |
996 | // Physical Presence command is correct\r | |
997 | //\r | |
998 | return TRUE;\r | |
999 | }\r | |
1000 | \r | |
1001 | \r | |
1002 | /**\r | |
1003 | Check and execute the requested physical presence command.\r | |
1004 | \r | |
1005 | Caution: This function may receive untrusted input.\r | |
1006 | TcgPpData variable is external input, so this function will validate\r | |
1007 | its data structure to be valid value.\r | |
1008 | \r | |
1009 | @param[in] TcgProtocol EFI TCG Protocol instance. \r | |
1010 | @param[in] TcgPpData Point to the physical presence NV variable.\r | |
15d73df9 | 1011 | @param[in] Flags The physical presence interface flags.\r |
48211402 | 1012 | \r |
1013 | **/\r | |
1014 | VOID\r | |
1015 | ExecutePendingTpmRequest (\r | |
4610b23a JY |
1016 | IN EFI_TCG_PROTOCOL *TcgProtocol,\r |
1017 | IN EFI_PHYSICAL_PRESENCE *TcgPpData,\r | |
1018 | IN EFI_PHYSICAL_PRESENCE_FLAGS Flags\r | |
48211402 | 1019 | )\r |
1020 | {\r | |
1021 | EFI_STATUS Status;\r | |
1022 | UINTN DataSize;\r | |
1023 | BOOLEAN RequestConfirmed;\r | |
4610b23a JY |
1024 | EFI_PHYSICAL_PRESENCE_FLAGS NewFlags;\r |
1025 | BOOLEAN ResetRequired;\r | |
1026 | UINT32 NewPPFlags;\r | |
48211402 | 1027 | \r |
ed094569 | 1028 | if (!HaveValidTpmRequest(TcgPpData, Flags, &RequestConfirmed)) {\r |
48211402 | 1029 | //\r |
1030 | // Invalid operation request.\r | |
1031 | //\r | |
4610b23a | 1032 | TcgPpData->PPResponse = TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE;\r |
48211402 | 1033 | TcgPpData->LastPPRequest = TcgPpData->PPRequest;\r |
1034 | TcgPpData->PPRequest = PHYSICAL_PRESENCE_NO_ACTION;\r | |
1035 | DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r | |
1036 | Status = gRT->SetVariable (\r | |
1037 | PHYSICAL_PRESENCE_VARIABLE,\r | |
1038 | &gEfiPhysicalPresenceGuid,\r | |
1039 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
1040 | DataSize,\r | |
1041 | TcgPpData\r | |
1042 | );\r | |
1043 | return;\r | |
0c18794e | 1044 | }\r |
1045 | \r | |
4610b23a JY |
1046 | ResetRequired = FALSE;\r |
1047 | if (TcgPpData->PPRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION) {\r | |
1048 | NewFlags = Flags;\r | |
1049 | NewPPFlags = NewFlags.PPFlags;\r | |
1050 | TcgPpData->PPResponse = TcgPpVendorLibExecutePendingRequest (TcgPpData->PPRequest, &NewPPFlags, &ResetRequired);\r | |
1051 | NewFlags.PPFlags = (UINT8)NewPPFlags;\r | |
1052 | } else {\r | |
1053 | if (!RequestConfirmed) {\r | |
1054 | //\r | |
1055 | // Print confirm text and wait for approval. \r | |
1056 | //\r | |
1057 | RequestConfirmed = UserConfirm (TcgPpData->PPRequest);\r | |
1058 | }\r | |
1059 | \r | |
0c18794e | 1060 | //\r |
4610b23a | 1061 | // Execute requested physical presence command\r |
0c18794e | 1062 | //\r |
4610b23a JY |
1063 | TcgPpData->PPResponse = TCG_PP_OPERATION_RESPONSE_USER_ABORT;\r |
1064 | NewFlags = Flags;\r | |
1065 | if (RequestConfirmed) {\r | |
1066 | TcgPpData->PPResponse = ExecutePhysicalPresence (TcgProtocol, TcgPpData->PPRequest, &NewFlags);\r | |
1067 | }\r | |
0c18794e | 1068 | }\r |
1069 | \r | |
ed094569 DG |
1070 | //\r |
1071 | // Save the flags if it is updated.\r | |
1072 | //\r | |
4610b23a | 1073 | if (CompareMem (&Flags, &NewFlags, sizeof(EFI_PHYSICAL_PRESENCE_FLAGS)) != 0) {\r |
ed094569 DG |
1074 | Status = gRT->SetVariable (\r |
1075 | PHYSICAL_PRESENCE_FLAGS_VARIABLE,\r | |
1076 | &gEfiPhysicalPresenceGuid,\r | |
1077 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
4610b23a | 1078 | sizeof (EFI_PHYSICAL_PRESENCE_FLAGS),\r |
ed094569 DG |
1079 | &NewFlags\r |
1080 | ); \r | |
8a8c6c96 DG |
1081 | if (EFI_ERROR (Status)) {\r |
1082 | return;\r | |
1083 | }\r | |
ed094569 | 1084 | }\r |
4610b23a | 1085 | \r |
0c18794e | 1086 | //\r |
1087 | // Clear request\r | |
1088 | //\r | |
4610b23a | 1089 | if ((NewFlags.PPFlags & TCG_VENDOR_LIB_FLAG_RESET_TRACK) == 0) {\r |
0c18794e | 1090 | TcgPpData->LastPPRequest = TcgPpData->PPRequest;\r |
568e7b27 | 1091 | TcgPpData->PPRequest = PHYSICAL_PRESENCE_NO_ACTION; \r |
0c18794e | 1092 | }\r |
1093 | \r | |
1094 | //\r | |
1095 | // Save changes\r | |
1096 | //\r | |
1097 | DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r | |
1098 | Status = gRT->SetVariable (\r | |
1099 | PHYSICAL_PRESENCE_VARIABLE,\r | |
1100 | &gEfiPhysicalPresenceGuid,\r | |
1101 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
1102 | DataSize,\r | |
1103 | TcgPpData\r | |
1104 | );\r | |
1105 | if (EFI_ERROR (Status)) {\r | |
1106 | return;\r | |
1107 | }\r | |
1108 | \r | |
4610b23a | 1109 | if (TcgPpData->PPResponse == TCG_PP_OPERATION_RESPONSE_USER_ABORT) {\r |
0c18794e | 1110 | return;\r |
1111 | }\r | |
1112 | \r | |
1113 | //\r | |
1114 | // Reset system to make new TPM settings in effect\r | |
1115 | //\r | |
1116 | switch (TcgPpData->LastPPRequest) {\r | |
607599bf | 1117 | case PHYSICAL_PRESENCE_ACTIVATE:\r |
1118 | case PHYSICAL_PRESENCE_DEACTIVATE:\r | |
1119 | case PHYSICAL_PRESENCE_CLEAR:\r | |
1120 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE:\r | |
1121 | case PHYSICAL_PRESENCE_DEACTIVATE_DISABLE:\r | |
1122 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_OWNER_TRUE:\r | |
1123 | case PHYSICAL_PRESENCE_DEACTIVATE_DISABLE_OWNER_FALSE:\r | |
1124 | case PHYSICAL_PRESENCE_DEFERRED_PP_UNOWNERED_FIELD_UPGRADE:\r | |
1125 | case PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE:\r | |
1126 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR:\r | |
1127 | case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE: \r | |
0c18794e | 1128 | break;\r |
1129 | default:\r | |
4610b23a JY |
1130 | if (TcgPpData->LastPPRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION) {\r |
1131 | if (ResetRequired) {\r | |
1132 | break;\r | |
1133 | } else {\r | |
1134 | return ;\r | |
1135 | }\r | |
1136 | }\r | |
568e7b27 | 1137 | if (TcgPpData->PPRequest != PHYSICAL_PRESENCE_NO_ACTION) {\r |
0c18794e | 1138 | break;\r |
1139 | }\r | |
1140 | return;\r | |
1141 | }\r | |
1142 | \r | |
1143 | Print (L"Rebooting system to make TPM settings in effect\n");\r | |
1144 | gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);\r | |
1145 | ASSERT (FALSE); \r | |
1146 | }\r | |
1147 | \r | |
1148 | /**\r | |
607599bf | 1149 | Check and execute the pending TPM request and Lock TPM.\r |
0c18794e | 1150 | \r |
607599bf | 1151 | The TPM request may come from OS or BIOS. This API will display request information and wait \r |
1152 | for user confirmation if TPM request exists. The TPM request will be sent to TPM device after\r | |
1153 | the TPM request is confirmed, and one or more reset may be required to make TPM request to \r | |
1154 | take effect. At last, it will lock TPM to prevent TPM state change by malware.\r | |
1155 | \r | |
1156 | This API should be invoked after console in and console out are all ready as they are required\r | |
1157 | to display request information and get user input to confirm the request. This API should also \r | |
1158 | be invoked as early as possible as TPM is locked in this function.\r | |
1159 | \r | |
0c18794e | 1160 | **/\r |
1161 | VOID\r | |
1162 | EFIAPI\r | |
607599bf | 1163 | TcgPhysicalPresenceLibProcessRequest (\r |
1164 | VOID\r | |
0c18794e | 1165 | )\r |
1166 | {\r | |
1167 | EFI_STATUS Status;\r | |
1168 | BOOLEAN LifetimeLock;\r | |
1169 | BOOLEAN CmdEnable;\r | |
1170 | UINTN DataSize;\r | |
1171 | EFI_PHYSICAL_PRESENCE TcgPpData;\r | |
607599bf | 1172 | EFI_TCG_PROTOCOL *TcgProtocol;\r |
ed094569 | 1173 | EDKII_VARIABLE_LOCK_PROTOCOL *VariableLockProtocol;\r |
4610b23a | 1174 | EFI_PHYSICAL_PRESENCE_FLAGS PpiFlags;\r |
607599bf | 1175 | \r |
1176 | Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID **)&TcgProtocol);\r | |
1177 | if (EFI_ERROR (Status)) {\r | |
1178 | return ;\r | |
1179 | }\r | |
ed094569 DG |
1180 | \r |
1181 | //\r | |
1182 | // Initialize physical presence flags.\r | |
1183 | //\r | |
4610b23a | 1184 | DataSize = sizeof (EFI_PHYSICAL_PRESENCE_FLAGS);\r |
ed094569 DG |
1185 | Status = gRT->GetVariable (\r |
1186 | PHYSICAL_PRESENCE_FLAGS_VARIABLE,\r | |
1187 | &gEfiPhysicalPresenceGuid,\r | |
1188 | NULL,\r | |
1189 | &DataSize,\r | |
1190 | &PpiFlags\r | |
1191 | );\r | |
1192 | if (EFI_ERROR (Status)) {\r | |
4610b23a | 1193 | PpiFlags.PPFlags = TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_PROVISION;\r |
8a8c6c96 DG |
1194 | Status = gRT->SetVariable (\r |
1195 | PHYSICAL_PRESENCE_FLAGS_VARIABLE,\r | |
1196 | &gEfiPhysicalPresenceGuid,\r | |
1197 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
4610b23a | 1198 | sizeof (EFI_PHYSICAL_PRESENCE_FLAGS),\r |
8a8c6c96 DG |
1199 | &PpiFlags\r |
1200 | );\r | |
1201 | if (EFI_ERROR (Status)) {\r | |
1202 | DEBUG ((EFI_D_ERROR, "[TPM] Set physical presence flag failed, Status = %r\n", Status));\r | |
1203 | return ;\r | |
ed094569 | 1204 | }\r |
ed094569 | 1205 | }\r |
4610b23a | 1206 | DEBUG ((EFI_D_INFO, "[TPM] PpiFlags = %x\n", PpiFlags.PPFlags));\r |
ed094569 DG |
1207 | \r |
1208 | //\r | |
1209 | // This flags variable controls whether physical presence is required for TPM command. \r | |
1210 | // It should be protected from malicious software. We set it as read-only variable here.\r | |
1211 | //\r | |
1212 | Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **)&VariableLockProtocol);\r | |
1213 | if (!EFI_ERROR (Status)) {\r | |
1214 | Status = VariableLockProtocol->RequestToLock (\r | |
1215 | VariableLockProtocol,\r | |
1216 | PHYSICAL_PRESENCE_FLAGS_VARIABLE,\r | |
1217 | &gEfiPhysicalPresenceGuid\r | |
1218 | );\r | |
1219 | if (EFI_ERROR (Status)) {\r | |
1220 | DEBUG ((EFI_D_ERROR, "[TPM] Error when lock variable %s, Status = %r\n", PHYSICAL_PRESENCE_FLAGS_VARIABLE, Status));\r | |
1221 | ASSERT_EFI_ERROR (Status);\r | |
1222 | }\r | |
1223 | }\r | |
0c18794e | 1224 | \r |
1225 | //\r | |
607599bf | 1226 | // Initialize physical presence variable.\r |
0c18794e | 1227 | //\r |
1228 | DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r | |
1229 | Status = gRT->GetVariable (\r | |
1230 | PHYSICAL_PRESENCE_VARIABLE,\r | |
1231 | &gEfiPhysicalPresenceGuid,\r | |
1232 | NULL,\r | |
1233 | &DataSize,\r | |
1234 | &TcgPpData\r | |
1235 | );\r | |
607599bf | 1236 | if (EFI_ERROR (Status)) {\r |
8a8c6c96 DG |
1237 | ZeroMem ((VOID*)&TcgPpData, sizeof (TcgPpData));\r |
1238 | DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r | |
1239 | Status = gRT->SetVariable (\r | |
1240 | PHYSICAL_PRESENCE_VARIABLE,\r | |
1241 | &gEfiPhysicalPresenceGuid,\r | |
1242 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
1243 | DataSize,\r | |
1244 | &TcgPpData\r | |
1245 | );\r | |
1246 | if (EFI_ERROR (Status)) {\r | |
1247 | DEBUG ((EFI_D_ERROR, "[TPM] Set physical presence variable failed, Status = %r\n", Status));\r | |
1248 | return;\r | |
607599bf | 1249 | }\r |
607599bf | 1250 | }\r |
1251 | \r | |
4610b23a | 1252 | DEBUG ((EFI_D_INFO, "[TPM] Flags=%x, PPRequest=%x\n", PpiFlags.PPFlags, TcgPpData.PPRequest));\r |
607599bf | 1253 | \r |
03ecb576 | 1254 | if (TcgPpData.PPRequest == PHYSICAL_PRESENCE_NO_ACTION) {\r |
1255 | //\r | |
1256 | // No operation request\r | |
1257 | //\r | |
1258 | return;\r | |
1259 | }\r | |
1260 | \r | |
607599bf | 1261 | Status = GetTpmCapability (TcgProtocol, &LifetimeLock, &CmdEnable);\r |
0c18794e | 1262 | if (EFI_ERROR (Status)) {\r |
1263 | return ;\r | |
1264 | }\r | |
607599bf | 1265 | \r |
0c18794e | 1266 | if (!CmdEnable) {\r |
1267 | if (LifetimeLock) {\r | |
1268 | //\r | |
1269 | // physicalPresenceCMDEnable is locked, can't execute physical presence command.\r | |
1270 | //\r | |
1271 | return ;\r | |
1272 | }\r | |
607599bf | 1273 | Status = TpmPhysicalPresence (TcgProtocol, TPM_PHYSICAL_PRESENCE_CMD_ENABLE);\r |
0c18794e | 1274 | if (EFI_ERROR (Status)) {\r |
1275 | return ;\r | |
1276 | }\r | |
1277 | }\r | |
607599bf | 1278 | \r |
0c18794e | 1279 | //\r |
1280 | // Set operator physical presence flags\r | |
1281 | //\r | |
607599bf | 1282 | TpmPhysicalPresence (TcgProtocol, TPM_PHYSICAL_PRESENCE_PRESENT);\r |
1283 | \r | |
0c18794e | 1284 | //\r |
1285 | // Execute pending TPM request.\r | |
1286 | // \r | |
ed094569 | 1287 | ExecutePendingTpmRequest (TcgProtocol, &TcgPpData, PpiFlags);\r |
0c18794e | 1288 | DEBUG ((EFI_D_INFO, "[TPM] PPResponse = %x\n", TcgPpData.PPResponse));\r |
1289 | \r | |
1290 | //\r | |
1291 | // Lock physical presence.\r | |
1292 | //\r | |
607599bf | 1293 | TpmPhysicalPresence (TcgProtocol, TPM_PHYSICAL_PRESENCE_NOTPRESENT | TPM_PHYSICAL_PRESENCE_LOCK);\r |
0c18794e | 1294 | }\r |
1295 | \r | |
48211402 | 1296 | /**\r |
1297 | Check if the pending TPM request needs user input to confirm.\r | |
1298 | \r | |
1299 | The TPM request may come from OS. This API will check if TPM request exists and need user\r | |
1300 | input to confirmation.\r | |
1301 | \r | |
1302 | @retval TRUE TPM needs input to confirm user physical presence.\r | |
1303 | @retval FALSE TPM doesn't need input to confirm user physical presence.\r | |
1304 | \r | |
1305 | **/\r | |
1306 | BOOLEAN\r | |
1307 | EFIAPI\r | |
1308 | TcgPhysicalPresenceLibNeedUserConfirm(\r | |
1309 | VOID\r | |
1310 | )\r | |
1311 | {\r | |
4610b23a JY |
1312 | EFI_STATUS Status;\r |
1313 | EFI_PHYSICAL_PRESENCE TcgPpData;\r | |
1314 | UINTN DataSize;\r | |
1315 | BOOLEAN RequestConfirmed;\r | |
1316 | BOOLEAN LifetimeLock;\r | |
1317 | BOOLEAN CmdEnable;\r | |
1318 | EFI_TCG_PROTOCOL *TcgProtocol;\r | |
1319 | EFI_PHYSICAL_PRESENCE_FLAGS PpiFlags;\r | |
ed094569 | 1320 | \r |
48211402 | 1321 | Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID **)&TcgProtocol);\r |
1322 | if (EFI_ERROR (Status)) {\r | |
1323 | return FALSE;\r | |
1324 | }\r | |
1325 | \r | |
1326 | //\r | |
1327 | // Check Tpm requests\r | |
1328 | //\r | |
1329 | DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r | |
1330 | Status = gRT->GetVariable (\r | |
1331 | PHYSICAL_PRESENCE_VARIABLE,\r | |
1332 | &gEfiPhysicalPresenceGuid,\r | |
1333 | NULL,\r | |
1334 | &DataSize,\r | |
1335 | &TcgPpData\r | |
1336 | );\r | |
1337 | if (EFI_ERROR (Status)) {\r | |
1338 | return FALSE;\r | |
1339 | }\r | |
1340 | \r | |
4610b23a | 1341 | DataSize = sizeof (EFI_PHYSICAL_PRESENCE_FLAGS);\r |
ed094569 DG |
1342 | Status = gRT->GetVariable (\r |
1343 | PHYSICAL_PRESENCE_FLAGS_VARIABLE,\r | |
1344 | &gEfiPhysicalPresenceGuid,\r | |
1345 | NULL,\r | |
1346 | &DataSize,\r | |
1347 | &PpiFlags\r | |
1348 | );\r | |
1349 | if (EFI_ERROR (Status)) {\r | |
1350 | return FALSE;\r | |
1351 | }\r | |
1352 | \r | |
48211402 | 1353 | if (TcgPpData.PPRequest == PHYSICAL_PRESENCE_NO_ACTION) {\r |
1354 | //\r | |
1355 | // No operation request\r | |
1356 | //\r | |
1357 | return FALSE;\r | |
1358 | }\r | |
1359 | \r | |
ed094569 | 1360 | if (!HaveValidTpmRequest(&TcgPpData, PpiFlags, &RequestConfirmed)) {\r |
48211402 | 1361 | //\r |
1362 | // Invalid operation request.\r | |
1363 | //\r | |
1364 | return FALSE;\r | |
1365 | }\r | |
1366 | \r | |
1367 | //\r | |
1368 | // Check Tpm Capability\r | |
1369 | //\r | |
1370 | Status = GetTpmCapability (TcgProtocol, &LifetimeLock, &CmdEnable);\r | |
1371 | if (EFI_ERROR (Status)) {\r | |
1372 | return FALSE;\r | |
1373 | }\r | |
1374 | \r | |
1375 | if (!CmdEnable) {\r | |
1376 | if (LifetimeLock) {\r | |
1377 | //\r | |
1378 | // physicalPresenceCMDEnable is locked, can't execute physical presence command.\r | |
1379 | //\r | |
1380 | return FALSE;\r | |
1381 | }\r | |
1382 | }\r | |
1383 | \r | |
1384 | if (!RequestConfirmed) {\r | |
1385 | //\r | |
1386 | // Need UI to confirm\r | |
1387 | //\r | |
1388 | return TRUE;\r | |
1389 | }\r | |
1390 | \r | |
1391 | return FALSE;\r | |
1392 | }\r | |
1393 | \r |