projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| c1d93242 JY |
1 | /** @file\r |
| 2 | Implement TPM2 Hierarchy related command.\r | |
| 3 | \r | |
| 7ae130da | 4 | Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved. <BR>\r |
| c1d93242 JY |
5 | This program and the accompanying materials\r |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 9 | \r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #include <IndustryStandard/UefiTcgPlatform.h>\r | |
| 16 | #include <Library/Tpm2CommandLib.h>\r | |
| 17 | #include <Library/Tpm2DeviceLib.h>\r | |
| 18 | #include <Library/BaseMemoryLib.h>\r | |
| 19 | #include <Library/BaseLib.h>\r | |
| 20 | #include <Library/DebugLib.h>\r | |
| 21 | \r | |
| 22 | #pragma pack(1)\r | |
| 23 | \r | |
| 967eacca JY |
24 | typedef struct {\r |
| 25 | TPM2_COMMAND_HEADER Header;\r | |
| 9093fb92 | 26 | TPMI_RH_HIERARCHY_AUTH AuthHandle;\r |
| 967eacca JY |
27 | UINT32 AuthSessionSize;\r |
| 28 | TPMS_AUTH_COMMAND AuthSession;\r | |
| 29 | TPM2B_DIGEST AuthPolicy;\r | |
| 30 | TPMI_ALG_HASH HashAlg;\r | |
| 31 | } TPM2_SET_PRIMARY_POLICY_COMMAND;\r | |
| 32 | \r | |
| 33 | typedef struct {\r | |
| 34 | TPM2_RESPONSE_HEADER Header;\r | |
| 35 | UINT32 AuthSessionSize;\r | |
| 36 | TPMS_AUTH_RESPONSE AuthSession;\r | |
| 37 | } TPM2_SET_PRIMARY_POLICY_RESPONSE;\r | |
| 38 | \r | |
| c1d93242 JY |
39 | typedef struct {\r |
| 40 | TPM2_COMMAND_HEADER Header;\r | |
| 41 | TPMI_RH_CLEAR AuthHandle;\r | |
| 42 | UINT32 AuthorizationSize;\r | |
| 43 | TPMS_AUTH_COMMAND AuthSession;\r | |
| 44 | } TPM2_CLEAR_COMMAND;\r | |
| 45 | \r | |
| 46 | typedef struct {\r | |
| 47 | TPM2_RESPONSE_HEADER Header;\r | |
| 48 | UINT32 ParameterSize;\r | |
| 49 | TPMS_AUTH_RESPONSE AuthSession;\r | |
| 50 | } TPM2_CLEAR_RESPONSE;\r | |
| 51 | \r | |
| 52 | typedef struct {\r | |
| 53 | TPM2_COMMAND_HEADER Header;\r | |
| 54 | TPMI_RH_CLEAR AuthHandle;\r | |
| 55 | UINT32 AuthorizationSize;\r | |
| 56 | TPMS_AUTH_COMMAND AuthSession;\r | |
| 57 | TPMI_YES_NO Disable;\r | |
| 58 | } TPM2_CLEAR_CONTROL_COMMAND;\r | |
| 59 | \r | |
| 60 | typedef struct {\r | |
| 61 | TPM2_RESPONSE_HEADER Header;\r | |
| 62 | UINT32 ParameterSize;\r | |
| 63 | TPMS_AUTH_RESPONSE AuthSession;\r | |
| 64 | } TPM2_CLEAR_CONTROL_RESPONSE;\r | |
| 65 | \r | |
| 66 | typedef struct {\r | |
| 67 | TPM2_COMMAND_HEADER Header;\r | |
| 68 | TPMI_RH_HIERARCHY_AUTH AuthHandle;\r | |
| 69 | UINT32 AuthorizationSize;\r | |
| 70 | TPMS_AUTH_COMMAND AuthSession;\r | |
| 71 | TPM2B_AUTH NewAuth;\r | |
| 72 | } TPM2_HIERARCHY_CHANGE_AUTH_COMMAND;\r | |
| 73 | \r | |
| 74 | typedef struct {\r | |
| 75 | TPM2_RESPONSE_HEADER Header;\r | |
| 76 | UINT32 ParameterSize;\r | |
| 77 | TPMS_AUTH_RESPONSE AuthSession;\r | |
| 78 | } TPM2_HIERARCHY_CHANGE_AUTH_RESPONSE;\r | |
| 79 | \r | |
| 80 | typedef struct {\r | |
| 81 | TPM2_COMMAND_HEADER Header;\r | |
| 82 | TPMI_RH_PLATFORM AuthHandle;\r | |
| 83 | UINT32 AuthorizationSize;\r | |
| 84 | TPMS_AUTH_COMMAND AuthSession;\r | |
| 85 | } TPM2_CHANGE_EPS_COMMAND;\r | |
| 86 | \r | |
| 87 | typedef struct {\r | |
| 88 | TPM2_RESPONSE_HEADER Header;\r | |
| 89 | UINT32 ParameterSize;\r | |
| 90 | TPMS_AUTH_RESPONSE AuthSession;\r | |
| 91 | } TPM2_CHANGE_EPS_RESPONSE;\r | |
| 92 | \r | |
| 93 | typedef struct {\r | |
| 94 | TPM2_COMMAND_HEADER Header;\r | |
| 95 | TPMI_RH_PLATFORM AuthHandle;\r | |
| 96 | UINT32 AuthorizationSize;\r | |
| 97 | TPMS_AUTH_COMMAND AuthSession;\r | |
| 98 | } TPM2_CHANGE_PPS_COMMAND;\r | |
| 99 | \r | |
| 100 | typedef struct {\r | |
| 101 | TPM2_RESPONSE_HEADER Header;\r | |
| 102 | UINT32 ParameterSize;\r | |
| 103 | TPMS_AUTH_RESPONSE AuthSession;\r | |
| 104 | } TPM2_CHANGE_PPS_RESPONSE;\r | |
| 105 | \r | |
| 106 | typedef struct {\r | |
| 107 | TPM2_COMMAND_HEADER Header;\r | |
| 108 | TPMI_RH_HIERARCHY AuthHandle;\r | |
| 109 | UINT32 AuthorizationSize;\r | |
| 110 | TPMS_AUTH_COMMAND AuthSession;\r | |
| 111 | TPMI_RH_HIERARCHY Hierarchy;\r | |
| 112 | TPMI_YES_NO State;\r | |
| 113 | } TPM2_HIERARCHY_CONTROL_COMMAND;\r | |
| 114 | \r | |
| 115 | typedef struct {\r | |
| 116 | TPM2_RESPONSE_HEADER Header;\r | |
| 117 | UINT32 ParameterSize;\r | |
| 118 | TPMS_AUTH_RESPONSE AuthSession;\r | |
| 119 | } TPM2_HIERARCHY_CONTROL_RESPONSE;\r | |
| 120 | \r | |
| 121 | #pragma pack()\r | |
| 122 | \r | |
| 967eacca JY |
123 | /**\r |
| 124 | This command allows setting of the authorization policy for the platform hierarchy (platformPolicy), the\r | |
| 125 | storage hierarchy (ownerPolicy), and and the endorsement hierarchy (endorsementPolicy).\r | |
| 126 | \r | |
| 127 | @param[in] AuthHandle TPM_RH_ENDORSEMENT, TPM_RH_OWNER or TPM_RH_PLATFORM+{PP} parameters to be validated\r | |
| 128 | @param[in] AuthSession Auth Session context\r | |
| 129 | @param[in] AuthPolicy An authorization policy hash\r | |
| 130 | @param[in] HashAlg The hash algorithm to use for the policy\r | |
| 131 | \r | |
| 132 | @retval EFI_SUCCESS Operation completed successfully.\r | |
| 133 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
| 134 | **/\r | |
| 135 | EFI_STATUS\r | |
| 136 | EFIAPI\r | |
| 137 | Tpm2SetPrimaryPolicy (\r | |
| 138 | IN TPMI_RH_HIERARCHY_AUTH AuthHandle,\r | |
| 139 | IN TPMS_AUTH_COMMAND *AuthSession,\r | |
| 140 | IN TPM2B_DIGEST *AuthPolicy,\r | |
| 141 | IN TPMI_ALG_HASH HashAlg\r | |
| 142 | )\r | |
| 143 | {\r | |
| 144 | EFI_STATUS Status;\r | |
| 145 | TPM2_SET_PRIMARY_POLICY_COMMAND SendBuffer;\r | |
| 146 | TPM2_SET_PRIMARY_POLICY_RESPONSE RecvBuffer;\r | |
| 147 | UINT32 SendBufferSize;\r | |
| 148 | UINT32 RecvBufferSize;\r | |
| 149 | UINT8 *Buffer;\r | |
| 150 | UINT32 SessionInfoSize;\r | |
| 151 | \r | |
| 152 | //\r | |
| 153 | // Construct command\r | |
| 154 | //\r | |
| 155 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
| 156 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_SetPrimaryPolicy);\r | |
| 157 | \r | |
| 158 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
| 159 | \r | |
| 160 | //\r | |
| 161 | // Add in Auth session\r | |
| 162 | //\r | |
| 163 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
| 164 | \r | |
| 165 | // sessionInfoSize\r | |
| 166 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
| 167 | Buffer += SessionInfoSize;\r | |
| 168 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
| 169 | \r | |
| 170 | //\r | |
| 171 | // Real data\r | |
| 172 | //\r | |
| 173 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16(AuthPolicy->size));\r | |
| 174 | Buffer += sizeof(UINT16);\r | |
| 175 | CopyMem (Buffer, AuthPolicy->buffer, AuthPolicy->size);\r | |
| 176 | Buffer += AuthPolicy->size;\r | |
| 177 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16(HashAlg));\r | |
| 178 | Buffer += sizeof(UINT16);\r | |
| 179 | \r | |
| 180 | SendBufferSize = (UINT32)((UINTN)Buffer - (UINTN)&SendBuffer);\r | |
| 181 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
| 182 | \r | |
| 183 | //\r | |
| 184 | // send Tpm command\r | |
| 185 | //\r | |
| 186 | RecvBufferSize = sizeof (RecvBuffer);\r | |
| 187 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
| 188 | if (EFI_ERROR (Status)) {\r | |
| 7ae130da | 189 | goto Done;\r |
| 967eacca JY |
190 | }\r |
| 191 | \r | |
| 192 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
| 193 | DEBUG ((EFI_D_ERROR, "Tpm2SetPrimaryPolicy - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
| 7ae130da JY |
194 | Status = EFI_DEVICE_ERROR;\r |
| 195 | goto Done;\r | |
| 967eacca JY |
196 | }\r |
| 197 | if (SwapBytes32(RecvBuffer.Header.responseCode) != TPM_RC_SUCCESS) {\r | |
| 198 | DEBUG ((EFI_D_ERROR, "Tpm2SetPrimaryPolicy - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));\r | |
| 7ae130da JY |
199 | Status = EFI_DEVICE_ERROR;\r |
| 200 | goto Done;\r | |
| 967eacca JY |
201 | }\r |
| 202 | \r | |
| 7ae130da JY |
203 | Done:\r |
| 204 | //\r | |
| 205 | // Clear AuthSession Content\r | |
| 206 | //\r | |
| 207 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
| 208 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
| 209 | return Status;\r | |
| 967eacca JY |
210 | }\r |
| 211 | \r | |
| c1d93242 JY |
212 | /**\r |
| 213 | This command removes all TPM context associated with a specific Owner.\r | |
| 214 | \r | |
| 215 | @param[in] AuthHandle TPM_RH_LOCKOUT or TPM_RH_PLATFORM+{PP}\r | |
| 216 | @param[in] AuthSession Auth Session context\r | |
| 217 | \r | |
| 218 | @retval EFI_SUCCESS Operation completed successfully.\r | |
| 219 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
| 220 | **/\r | |
| 221 | EFI_STATUS\r | |
| 222 | EFIAPI\r | |
| 223 | Tpm2Clear (\r | |
| 224 | IN TPMI_RH_CLEAR AuthHandle,\r | |
| 225 | IN TPMS_AUTH_COMMAND *AuthSession OPTIONAL\r | |
| 226 | )\r | |
| 227 | {\r | |
| 228 | EFI_STATUS Status;\r | |
| 229 | TPM2_CLEAR_COMMAND Cmd;\r | |
| 230 | TPM2_CLEAR_RESPONSE Res;\r | |
| 231 | UINT32 ResultBufSize;\r | |
| 232 | UINT32 CmdSize;\r | |
| 233 | UINT32 RespSize;\r | |
| 234 | UINT8 *Buffer;\r | |
| 235 | UINT32 SessionInfoSize;\r | |
| 236 | \r | |
| 237 | Cmd.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
| 238 | Cmd.Header.commandCode = SwapBytes32(TPM_CC_Clear);\r | |
| 239 | Cmd.AuthHandle = SwapBytes32(AuthHandle);\r | |
| 240 | \r | |
| 241 | //\r | |
| 242 | // Add in Auth session\r | |
| 243 | //\r | |
| 244 | Buffer = (UINT8 *)&Cmd.AuthSession;\r | |
| 245 | \r | |
| 246 | // sessionInfoSize\r | |
| 247 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
| 248 | Buffer += SessionInfoSize;\r | |
| 249 | Cmd.AuthorizationSize = SwapBytes32(SessionInfoSize);\r | |
| 250 | \r | |
| 251 | CmdSize = (UINT32)(Buffer - (UINT8 *)&Cmd);\r | |
| 252 | Cmd.Header.paramSize = SwapBytes32(CmdSize);\r | |
| 253 | \r | |
| 254 | ResultBufSize = sizeof(Res);\r | |
| 255 | Status = Tpm2SubmitCommand (CmdSize, (UINT8 *)&Cmd, &ResultBufSize, (UINT8 *)&Res);\r | |
| 256 | if (EFI_ERROR(Status)) {\r | |
| 7ae130da | 257 | goto Done;\r |
| c1d93242 JY |
258 | }\r |
| 259 | \r | |
| 260 | if (ResultBufSize > sizeof(Res)) {\r | |
| 261 | DEBUG ((EFI_D_ERROR, "Clear: Failed ExecuteCommand: Buffer Too Small\r\n"));\r | |
| 7ae130da JY |
262 | Status = EFI_BUFFER_TOO_SMALL;\r |
| 263 | goto Done;\r | |
| c1d93242 JY |
264 | }\r |
| 265 | \r | |
| 266 | //\r | |
| 267 | // Validate response headers\r | |
| 268 | //\r | |
| 269 | RespSize = SwapBytes32(Res.Header.paramSize);\r | |
| 270 | if (RespSize > sizeof(Res)) {\r | |
| 271 | DEBUG ((EFI_D_ERROR, "Clear: Response size too large! %d\r\n", RespSize));\r | |
| 7ae130da JY |
272 | Status = EFI_BUFFER_TOO_SMALL;\r |
| 273 | goto Done;\r | |
| c1d93242 JY |
274 | }\r |
| 275 | \r | |
| 276 | //\r | |
| 277 | // Fail if command failed\r | |
| 278 | //\r | |
| 279 | if (SwapBytes32(Res.Header.responseCode) != TPM_RC_SUCCESS) {\r | |
| 280 | DEBUG ((EFI_D_ERROR, "Clear: Response Code error! 0x%08x\r\n", SwapBytes32(Res.Header.responseCode)));\r | |
| 7ae130da JY |
281 | Status = EFI_DEVICE_ERROR;\r |
| 282 | goto Done;\r | |
| c1d93242 JY |
283 | }\r |
| 284 | \r | |
| 285 | //\r | |
| 286 | // Unmarshal the response\r | |
| 287 | //\r | |
| 288 | \r | |
| 289 | // None\r | |
| 7ae130da JY |
290 | Done:\r |
| 291 | //\r | |
| 292 | // Clear AuthSession Content\r | |
| 293 | //\r | |
| 294 | ZeroMem (&Cmd, sizeof(Cmd));\r | |
| 295 | ZeroMem (&Res, sizeof(Res));\r | |
| 296 | return Status;\r | |
| c1d93242 JY |
297 | }\r |
| 298 | \r | |
| 299 | /**\r | |
| 300 | Disables and enables the execution of TPM2_Clear().\r | |
| 301 | \r | |
| 302 | @param[in] AuthHandle TPM_RH_LOCKOUT or TPM_RH_PLATFORM+{PP}\r | |
| 303 | @param[in] AuthSession Auth Session context\r | |
| 304 | @param[in] Disable YES if the disableOwnerClear flag is to be SET,\r | |
| 305 | NO if the flag is to be CLEAR.\r | |
| 306 | \r | |
| 307 | @retval EFI_SUCCESS Operation completed successfully.\r | |
| 308 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
| 309 | **/\r | |
| 310 | EFI_STATUS\r | |
| 311 | EFIAPI\r | |
| 312 | Tpm2ClearControl (\r | |
| 313 | IN TPMI_RH_CLEAR AuthHandle,\r | |
| 314 | IN TPMS_AUTH_COMMAND *AuthSession, OPTIONAL\r | |
| 315 | IN TPMI_YES_NO Disable\r | |
| 316 | )\r | |
| 317 | {\r | |
| 318 | EFI_STATUS Status;\r | |
| 319 | TPM2_CLEAR_CONTROL_COMMAND Cmd;\r | |
| 320 | TPM2_CLEAR_CONTROL_RESPONSE Res;\r | |
| 321 | UINT32 ResultBufSize;\r | |
| 322 | UINT32 CmdSize;\r | |
| 323 | UINT32 RespSize;\r | |
| 324 | UINT8 *Buffer;\r | |
| 325 | UINT32 SessionInfoSize;\r | |
| 326 | \r | |
| 327 | Cmd.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
| 328 | Cmd.Header.commandCode = SwapBytes32(TPM_CC_ClearControl);\r | |
| 329 | Cmd.AuthHandle = SwapBytes32(AuthHandle);\r | |
| 330 | \r | |
| 331 | //\r | |
| 332 | // Add in Auth session\r | |
| 333 | //\r | |
| 334 | Buffer = (UINT8 *)&Cmd.AuthSession;\r | |
| 335 | \r | |
| 336 | // sessionInfoSize\r | |
| 337 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
| 338 | Buffer += SessionInfoSize;\r | |
| 339 | Cmd.AuthorizationSize = SwapBytes32(SessionInfoSize);\r | |
| 340 | \r | |
| 341 | // disable\r | |
| 342 | *(UINT8 *)Buffer = Disable;\r | |
| 58dbfc3c | 343 | Buffer++;\r |
| c1d93242 JY |
344 | \r |
| 345 | CmdSize = (UINT32)(Buffer - (UINT8 *)&Cmd);\r | |
| 346 | Cmd.Header.paramSize = SwapBytes32(CmdSize);\r | |
| 347 | \r | |
| 348 | ResultBufSize = sizeof(Res);\r | |
| 349 | Status = Tpm2SubmitCommand (CmdSize, (UINT8 *)&Cmd, &ResultBufSize, (UINT8 *)&Res);\r | |
| 350 | if (EFI_ERROR(Status)) {\r | |
| 7ae130da | 351 | goto Done;\r |
| c1d93242 JY |
352 | }\r |
| 353 | \r | |
| 354 | if (ResultBufSize > sizeof(Res)) {\r | |
| 355 | DEBUG ((EFI_D_ERROR, "ClearControl: Failed ExecuteCommand: Buffer Too Small\r\n"));\r | |
| 7ae130da JY |
356 | Status = EFI_BUFFER_TOO_SMALL;\r |
| 357 | goto Done;\r | |
| c1d93242 JY |
358 | }\r |
| 359 | \r | |
| 360 | //\r | |
| 361 | // Validate response headers\r | |
| 362 | //\r | |
| 363 | RespSize = SwapBytes32(Res.Header.paramSize);\r | |
| 364 | if (RespSize > sizeof(Res)) {\r | |
| 365 | DEBUG ((EFI_D_ERROR, "ClearControl: Response size too large! %d\r\n", RespSize));\r | |
| 7ae130da JY |
366 | Status = EFI_BUFFER_TOO_SMALL;\r |
| 367 | goto Done;\r | |
| c1d93242 JY |
368 | }\r |
| 369 | \r | |
| 370 | //\r | |
| 371 | // Fail if command failed\r | |
| 372 | //\r | |
| 373 | if (SwapBytes32(Res.Header.responseCode) != TPM_RC_SUCCESS) {\r | |
| 374 | DEBUG ((EFI_D_ERROR, "ClearControl: Response Code error! 0x%08x\r\n", SwapBytes32(Res.Header.responseCode)));\r | |
| 7ae130da JY |
375 | Status = EFI_DEVICE_ERROR;\r |
| 376 | goto Done;\r | |
| c1d93242 JY |
377 | }\r |
| 378 | \r | |
| 379 | //\r | |
| 380 | // Unmarshal the response\r | |
| 381 | //\r | |
| 382 | \r | |
| 383 | // None\r | |
| 7ae130da JY |
384 | Done:\r |
| 385 | //\r | |
| 386 | // Clear AuthSession Content\r | |
| 387 | //\r | |
| 388 | ZeroMem (&Cmd, sizeof(Cmd));\r | |
| 389 | ZeroMem (&Res, sizeof(Res));\r | |
| 390 | return Status;\r | |
| c1d93242 JY |
391 | }\r |
| 392 | \r | |
| 393 | /**\r | |
| 394 | This command allows the authorization secret for a hierarchy or lockout to be changed using the current\r | |
| 395 | authorization value as the command authorization.\r | |
| 396 | \r | |
| 397 | @param[in] AuthHandle TPM_RH_LOCKOUT, TPM_RH_ENDORSEMENT, TPM_RH_OWNER or TPM_RH_PLATFORM+{PP}\r | |
| 398 | @param[in] AuthSession Auth Session context\r | |
| 399 | @param[in] NewAuth New authorization secret\r | |
| 400 | \r | |
| 401 | @retval EFI_SUCCESS Operation completed successfully.\r | |
| 402 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
| 403 | **/\r | |
| 404 | EFI_STATUS\r | |
| 405 | EFIAPI\r | |
| 406 | Tpm2HierarchyChangeAuth (\r | |
| 407 | IN TPMI_RH_HIERARCHY_AUTH AuthHandle,\r | |
| 408 | IN TPMS_AUTH_COMMAND *AuthSession,\r | |
| 409 | IN TPM2B_AUTH *NewAuth\r | |
| 410 | )\r | |
| 411 | {\r | |
| 412 | EFI_STATUS Status;\r | |
| 413 | TPM2_HIERARCHY_CHANGE_AUTH_COMMAND Cmd;\r | |
| 414 | TPM2_HIERARCHY_CHANGE_AUTH_RESPONSE Res;\r | |
| 415 | UINT32 CmdSize;\r | |
| 416 | UINT32 RespSize;\r | |
| 417 | UINT8 *Buffer;\r | |
| 418 | UINT32 SessionInfoSize;\r | |
| 419 | UINT8 *ResultBuf;\r | |
| 420 | UINT32 ResultBufSize;\r | |
| 421 | \r | |
| 422 | //\r | |
| 423 | // Construct command\r | |
| 424 | //\r | |
| 425 | Cmd.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
| 426 | Cmd.Header.paramSize = SwapBytes32(sizeof(Cmd));\r | |
| 427 | Cmd.Header.commandCode = SwapBytes32(TPM_CC_HierarchyChangeAuth);\r | |
| 428 | Cmd.AuthHandle = SwapBytes32(AuthHandle);\r | |
| 429 | \r | |
| 430 | //\r | |
| 431 | // Add in Auth session\r | |
| 432 | //\r | |
| 433 | Buffer = (UINT8 *)&Cmd.AuthSession;\r | |
| 434 | \r | |
| 435 | // sessionInfoSize\r | |
| 436 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
| 437 | Buffer += SessionInfoSize;\r | |
| 438 | Cmd.AuthorizationSize = SwapBytes32(SessionInfoSize);\r | |
| 439 | \r | |
| 440 | // New Authorization size\r | |
| 441 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16(NewAuth->size));\r | |
| 442 | Buffer += sizeof(UINT16);\r | |
| 443 | \r | |
| 444 | // New Authorizeation\r | |
| 445 | CopyMem(Buffer, NewAuth->buffer, NewAuth->size);\r | |
| 446 | Buffer += NewAuth->size;\r | |
| 447 | \r | |
| 448 | CmdSize = (UINT32)(Buffer - (UINT8 *)&Cmd);\r | |
| 449 | Cmd.Header.paramSize = SwapBytes32(CmdSize);\r | |
| 450 | \r | |
| 451 | ResultBuf = (UINT8 *) &Res;\r | |
| 452 | ResultBufSize = sizeof(Res);\r | |
| 453 | \r | |
| 454 | //\r | |
| 455 | // Call the TPM\r | |
| 456 | //\r | |
| 457 | Status = Tpm2SubmitCommand (\r | |
| 458 | CmdSize, \r | |
| 459 | (UINT8 *)&Cmd, \r | |
| 460 | &ResultBufSize,\r | |
| 461 | ResultBuf\r | |
| 462 | );\r | |
| 7ae130da JY |
463 | if (EFI_ERROR(Status)) {\r |
| 464 | goto Done;\r | |
| 465 | }\r | |
| c1d93242 JY |
466 | \r |
| 467 | if (ResultBufSize > sizeof(Res)) {\r | |
| 468 | DEBUG ((EFI_D_ERROR, "HierarchyChangeAuth: Failed ExecuteCommand: Buffer Too Small\r\n"));\r | |
| 7ae130da JY |
469 | Status = EFI_BUFFER_TOO_SMALL;\r |
| 470 | goto Done;\r | |
| c1d93242 JY |
471 | }\r |
| 472 | \r | |
| 473 | //\r | |
| 474 | // Validate response headers\r | |
| 475 | //\r | |
| 476 | RespSize = SwapBytes32(Res.Header.paramSize);\r | |
| 477 | if (RespSize > sizeof(Res)) {\r | |
| 478 | DEBUG ((EFI_D_ERROR, "HierarchyChangeAuth: Response size too large! %d\r\n", RespSize));\r | |
| 7ae130da JY |
479 | Status = EFI_BUFFER_TOO_SMALL;\r |
| 480 | goto Done;\r | |
| c1d93242 JY |
481 | }\r |
| 482 | \r | |
| 483 | //\r | |
| 484 | // Fail if command failed\r | |
| 485 | //\r | |
| 486 | if (SwapBytes32(Res.Header.responseCode) != TPM_RC_SUCCESS) {\r | |
| 487 | DEBUG((EFI_D_ERROR,"HierarchyChangeAuth: Response Code error! 0x%08x\r\n", SwapBytes32(Res.Header.responseCode)));\r | |
| 7ae130da JY |
488 | Status = EFI_DEVICE_ERROR;\r |
| 489 | goto Done;\r | |
| c1d93242 JY |
490 | }\r |
| 491 | \r | |
| 7ae130da JY |
492 | Done:\r |
| 493 | //\r | |
| 494 | // Clear AuthSession Content\r | |
| 495 | //\r | |
| 496 | ZeroMem (&Cmd, sizeof(Cmd));\r | |
| 497 | ZeroMem (&Res, sizeof(Res));\r | |
| 498 | return Status;\r | |
| c1d93242 JY |
499 | }\r |
| 500 | \r | |
| 501 | /**\r | |
| 502 | This replaces the current EPS with a value from the RNG and sets the Endorsement hierarchy controls to\r | |
| 503 | their default initialization values.\r | |
| 504 | \r | |
| 505 | @param[in] AuthHandle TPM_RH_PLATFORM+{PP}\r | |
| 506 | @param[in] AuthSession Auth Session context\r | |
| 507 | \r | |
| 508 | @retval EFI_SUCCESS Operation completed successfully.\r | |
| 509 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
| 510 | **/\r | |
| 511 | EFI_STATUS\r | |
| 512 | EFIAPI\r | |
| 513 | Tpm2ChangeEPS (\r | |
| 514 | IN TPMI_RH_PLATFORM AuthHandle,\r | |
| 515 | IN TPMS_AUTH_COMMAND *AuthSession\r | |
| 516 | )\r | |
| 517 | {\r | |
| 518 | EFI_STATUS Status;\r | |
| 519 | TPM2_CHANGE_EPS_COMMAND Cmd;\r | |
| 520 | TPM2_CHANGE_EPS_RESPONSE Res;\r | |
| 521 | UINT32 CmdSize;\r | |
| 522 | UINT32 RespSize;\r | |
| 523 | UINT8 *Buffer;\r | |
| 524 | UINT32 SessionInfoSize;\r | |
| 525 | UINT8 *ResultBuf;\r | |
| 526 | UINT32 ResultBufSize;\r | |
| 527 | \r | |
| 528 | //\r | |
| 529 | // Construct command\r | |
| 530 | //\r | |
| 531 | Cmd.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
| 532 | Cmd.Header.paramSize = SwapBytes32(sizeof(Cmd));\r | |
| 533 | Cmd.Header.commandCode = SwapBytes32(TPM_CC_ChangeEPS);\r | |
| 534 | Cmd.AuthHandle = SwapBytes32(AuthHandle);\r | |
| 535 | \r | |
| 536 | //\r | |
| 537 | // Add in Auth session\r | |
| 538 | //\r | |
| 539 | Buffer = (UINT8 *)&Cmd.AuthSession;\r | |
| 540 | \r | |
| 541 | // sessionInfoSize\r | |
| 542 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
| 543 | Buffer += SessionInfoSize;\r | |
| 544 | Cmd.AuthorizationSize = SwapBytes32(SessionInfoSize);\r | |
| 545 | \r | |
| 546 | CmdSize = (UINT32)(Buffer - (UINT8 *)&Cmd);\r | |
| 547 | Cmd.Header.paramSize = SwapBytes32(CmdSize);\r | |
| 548 | \r | |
| 549 | ResultBuf = (UINT8 *) &Res;\r | |
| 550 | ResultBufSize = sizeof(Res);\r | |
| 551 | \r | |
| 552 | //\r | |
| 553 | // Call the TPM\r | |
| 554 | //\r | |
| 555 | Status = Tpm2SubmitCommand (\r | |
| 556 | CmdSize, \r | |
| 557 | (UINT8 *)&Cmd, \r | |
| 558 | &ResultBufSize,\r | |
| 559 | ResultBuf\r | |
| 560 | );\r | |
| 7ae130da JY |
561 | if (EFI_ERROR(Status)) {\r |
| 562 | goto Done;\r | |
| 563 | }\r | |
| c1d93242 JY |
564 | \r |
| 565 | if (ResultBufSize > sizeof(Res)) {\r | |
| 566 | DEBUG ((EFI_D_ERROR, "ChangeEPS: Failed ExecuteCommand: Buffer Too Small\r\n"));\r | |
| 7ae130da JY |
567 | Status = EFI_BUFFER_TOO_SMALL;\r |
| 568 | goto Done;\r | |
| c1d93242 JY |
569 | }\r |
| 570 | \r | |
| 571 | //\r | |
| 572 | // Validate response headers\r | |
| 573 | //\r | |
| 574 | RespSize = SwapBytes32(Res.Header.paramSize);\r | |
| 575 | if (RespSize > sizeof(Res)) {\r | |
| 576 | DEBUG ((EFI_D_ERROR, "ChangeEPS: Response size too large! %d\r\n", RespSize));\r | |
| 7ae130da JY |
577 | Status = EFI_BUFFER_TOO_SMALL;\r |
| 578 | goto Done;\r | |
| c1d93242 JY |
579 | }\r |
| 580 | \r | |
| 581 | //\r | |
| 582 | // Fail if command failed\r | |
| 583 | //\r | |
| 584 | if (SwapBytes32(Res.Header.responseCode) != TPM_RC_SUCCESS) {\r | |
| 585 | DEBUG((EFI_D_ERROR,"ChangeEPS: Response Code error! 0x%08x\r\n", SwapBytes32(Res.Header.responseCode)));\r | |
| 7ae130da JY |
586 | Status = EFI_DEVICE_ERROR;\r |
| 587 | goto Done;\r | |
| c1d93242 JY |
588 | }\r |
| 589 | \r | |
| 7ae130da JY |
590 | Done:\r |
| 591 | //\r | |
| 592 | // Clear AuthSession Content\r | |
| 593 | //\r | |
| 594 | ZeroMem (&Cmd, sizeof(Cmd));\r | |
| 595 | ZeroMem (&Res, sizeof(Res));\r | |
| 596 | return Status;\r | |
| c1d93242 JY |
597 | }\r |
| 598 | \r | |
| 599 | /**\r | |
| 600 | This replaces the current PPS with a value from the RNG and sets platformPolicy to the default\r | |
| 601 | initialization value (the Empty Buffer).\r | |
| 602 | \r | |
| 603 | @param[in] AuthHandle TPM_RH_PLATFORM+{PP}\r | |
| 604 | @param[in] AuthSession Auth Session context\r | |
| 605 | \r | |
| 606 | @retval EFI_SUCCESS Operation completed successfully.\r | |
| 607 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
| 608 | **/\r | |
| 609 | EFI_STATUS\r | |
| 610 | EFIAPI\r | |
| 611 | Tpm2ChangePPS (\r | |
| 612 | IN TPMI_RH_PLATFORM AuthHandle,\r | |
| 613 | IN TPMS_AUTH_COMMAND *AuthSession\r | |
| 614 | )\r | |
| 615 | {\r | |
| 616 | EFI_STATUS Status;\r | |
| 617 | TPM2_CHANGE_PPS_COMMAND Cmd;\r | |
| 618 | TPM2_CHANGE_PPS_RESPONSE Res;\r | |
| 619 | UINT32 CmdSize;\r | |
| 620 | UINT32 RespSize;\r | |
| 621 | UINT8 *Buffer;\r | |
| 622 | UINT32 SessionInfoSize;\r | |
| 623 | UINT8 *ResultBuf;\r | |
| 624 | UINT32 ResultBufSize;\r | |
| 625 | \r | |
| 626 | //\r | |
| 627 | // Construct command\r | |
| 628 | //\r | |
| 629 | Cmd.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
| 630 | Cmd.Header.paramSize = SwapBytes32(sizeof(Cmd));\r | |
| 631 | Cmd.Header.commandCode = SwapBytes32(TPM_CC_ChangePPS);\r | |
| 632 | Cmd.AuthHandle = SwapBytes32(AuthHandle);\r | |
| 633 | \r | |
| 634 | //\r | |
| 635 | // Add in Auth session\r | |
| 636 | //\r | |
| 637 | Buffer = (UINT8 *)&Cmd.AuthSession;\r | |
| 638 | \r | |
| 639 | // sessionInfoSize\r | |
| 640 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
| 641 | Buffer += SessionInfoSize;\r | |
| 642 | Cmd.AuthorizationSize = SwapBytes32(SessionInfoSize);\r | |
| 643 | \r | |
| 644 | CmdSize = (UINT32)(Buffer - (UINT8 *)&Cmd);\r | |
| 645 | Cmd.Header.paramSize = SwapBytes32(CmdSize);\r | |
| 646 | \r | |
| 647 | ResultBuf = (UINT8 *) &Res;\r | |
| 648 | ResultBufSize = sizeof(Res);\r | |
| 649 | \r | |
| 650 | //\r | |
| 651 | // Call the TPM\r | |
| 652 | //\r | |
| 653 | Status = Tpm2SubmitCommand (\r | |
| 654 | CmdSize, \r | |
| 655 | (UINT8 *)&Cmd, \r | |
| 656 | &ResultBufSize,\r | |
| 657 | ResultBuf\r | |
| 658 | );\r | |
| 7ae130da JY |
659 | if (EFI_ERROR(Status)) {\r |
| 660 | goto Done;\r | |
| 661 | }\r | |
| c1d93242 JY |
662 | \r |
| 663 | if (ResultBufSize > sizeof(Res)) {\r | |
| 664 | DEBUG ((EFI_D_ERROR, "ChangePPS: Failed ExecuteCommand: Buffer Too Small\r\n"));\r | |
| 7ae130da JY |
665 | Status = EFI_BUFFER_TOO_SMALL;\r |
| 666 | goto Done;\r | |
| c1d93242 JY |
667 | }\r |
| 668 | \r | |
| 669 | //\r | |
| 670 | // Validate response headers\r | |
| 671 | //\r | |
| 672 | RespSize = SwapBytes32(Res.Header.paramSize);\r | |
| 673 | if (RespSize > sizeof(Res)) {\r | |
| 674 | DEBUG ((EFI_D_ERROR, "ChangePPS: Response size too large! %d\r\n", RespSize));\r | |
| 7ae130da JY |
675 | Status = EFI_BUFFER_TOO_SMALL;\r |
| 676 | goto Done;\r | |
| c1d93242 JY |
677 | }\r |
| 678 | \r | |
| 679 | //\r | |
| 680 | // Fail if command failed\r | |
| 681 | //\r | |
| 682 | if (SwapBytes32(Res.Header.responseCode) != TPM_RC_SUCCESS) {\r | |
| 683 | DEBUG((EFI_D_ERROR,"ChangePPS: Response Code error! 0x%08x\r\n", SwapBytes32(Res.Header.responseCode)));\r | |
| 7ae130da JY |
684 | Status = EFI_DEVICE_ERROR;\r |
| 685 | goto Done;\r | |
| c1d93242 JY |
686 | }\r |
| 687 | \r | |
| 7ae130da JY |
688 | Done:\r |
| 689 | //\r | |
| 690 | // Clear AuthSession Content\r | |
| 691 | //\r | |
| 692 | ZeroMem (&Cmd, sizeof(Cmd));\r | |
| 693 | ZeroMem (&Res, sizeof(Res));\r | |
| 694 | return Status;\r | |
| c1d93242 JY |
695 | }\r |
| 696 | \r | |
| 697 | /**\r | |
| 698 | This command enables and disables use of a hierarchy.\r | |
| 699 | \r | |
| 700 | @param[in] AuthHandle TPM_RH_ENDORSEMENT, TPM_RH_OWNER or TPM_RH_PLATFORM+{PP}\r | |
| 701 | @param[in] AuthSession Auth Session context\r | |
| 702 | @param[in] Hierarchy Hierarchy of the enable being modified\r | |
| 703 | @param[in] State YES if the enable should be SET,\r | |
| 704 | NO if the enable should be CLEAR\r | |
| 705 | \r | |
| 706 | @retval EFI_SUCCESS Operation completed successfully.\r | |
| 707 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
| 708 | **/\r | |
| 709 | EFI_STATUS\r | |
| 710 | EFIAPI\r | |
| 711 | Tpm2HierarchyControl (\r | |
| 712 | IN TPMI_RH_HIERARCHY AuthHandle,\r | |
| 713 | IN TPMS_AUTH_COMMAND *AuthSession,\r | |
| 714 | IN TPMI_RH_HIERARCHY Hierarchy,\r | |
| 715 | IN TPMI_YES_NO State\r | |
| 716 | )\r | |
| 717 | {\r | |
| 718 | EFI_STATUS Status;\r | |
| 719 | TPM2_HIERARCHY_CONTROL_COMMAND Cmd;\r | |
| 720 | TPM2_HIERARCHY_CONTROL_RESPONSE Res;\r | |
| 721 | UINT32 CmdSize;\r | |
| 722 | UINT32 RespSize;\r | |
| 723 | UINT8 *Buffer;\r | |
| 724 | UINT32 SessionInfoSize;\r | |
| 725 | UINT8 *ResultBuf;\r | |
| 726 | UINT32 ResultBufSize;\r | |
| 727 | \r | |
| 728 | //\r | |
| 729 | // Construct command\r | |
| 730 | //\r | |
| 731 | Cmd.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
| 732 | Cmd.Header.paramSize = SwapBytes32(sizeof(Cmd));\r | |
| 733 | Cmd.Header.commandCode = SwapBytes32(TPM_CC_HierarchyControl);\r | |
| 734 | Cmd.AuthHandle = SwapBytes32(AuthHandle);\r | |
| 735 | \r | |
| 736 | //\r | |
| 737 | // Add in Auth session\r | |
| 738 | //\r | |
| 739 | Buffer = (UINT8 *)&Cmd.AuthSession;\r | |
| 740 | \r | |
| 741 | // sessionInfoSize\r | |
| 742 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
| 743 | Buffer += SessionInfoSize;\r | |
| 744 | Cmd.AuthorizationSize = SwapBytes32(SessionInfoSize);\r | |
| 745 | \r | |
| 746 | WriteUnaligned32 ((UINT32 *)Buffer, SwapBytes32(Hierarchy));\r | |
| 747 | Buffer += sizeof(UINT32);\r | |
| 748 | \r | |
| 749 | *(UINT8 *)Buffer = State;\r | |
| 58dbfc3c | 750 | Buffer++;\r |
| c1d93242 JY |
751 | \r |
| 752 | CmdSize = (UINT32)(Buffer - (UINT8 *)&Cmd);\r | |
| 753 | Cmd.Header.paramSize = SwapBytes32(CmdSize);\r | |
| 754 | \r | |
| 755 | ResultBuf = (UINT8 *) &Res;\r | |
| 756 | ResultBufSize = sizeof(Res);\r | |
| 757 | \r | |
| 758 | //\r | |
| 759 | // Call the TPM\r | |
| 760 | //\r | |
| 761 | Status = Tpm2SubmitCommand (\r | |
| 762 | CmdSize, \r | |
| 763 | (UINT8 *)&Cmd, \r | |
| 764 | &ResultBufSize,\r | |
| 765 | ResultBuf\r | |
| 766 | );\r | |
| 7ae130da JY |
767 | if (EFI_ERROR(Status)) {\r |
| 768 | goto Done;\r | |
| 769 | }\r | |
| c1d93242 JY |
770 | \r |
| 771 | if (ResultBufSize > sizeof(Res)) {\r | |
| 772 | DEBUG ((EFI_D_ERROR, "HierarchyControl: Failed ExecuteCommand: Buffer Too Small\r\n"));\r | |
| 7ae130da JY |
773 | Status = EFI_BUFFER_TOO_SMALL;\r |
| 774 | goto Done;\r | |
| c1d93242 JY |
775 | }\r |
| 776 | \r | |
| 777 | //\r | |
| 778 | // Validate response headers\r | |
| 779 | //\r | |
| 780 | RespSize = SwapBytes32(Res.Header.paramSize);\r | |
| 781 | if (RespSize > sizeof(Res)) {\r | |
| 782 | DEBUG ((EFI_D_ERROR, "HierarchyControl: Response size too large! %d\r\n", RespSize));\r | |
| 7ae130da JY |
783 | Status = EFI_BUFFER_TOO_SMALL;\r |
| 784 | goto Done;\r | |
| c1d93242 JY |
785 | }\r |
| 786 | \r | |
| 787 | //\r | |
| 788 | // Fail if command failed\r | |
| 789 | //\r | |
| 790 | if (SwapBytes32(Res.Header.responseCode) != TPM_RC_SUCCESS) {\r | |
| 791 | DEBUG((EFI_D_ERROR,"HierarchyControl: Response Code error! 0x%08x\r\n", SwapBytes32(Res.Header.responseCode)));\r | |
| 7ae130da JY |
792 | Status = EFI_DEVICE_ERROR;\r |
| 793 | goto Done;\r | |
| c1d93242 JY |
794 | }\r |
| 795 | \r | |
| 7ae130da JY |
796 | Done:\r |
| 797 | //\r | |
| 798 | // Clear AuthSession Content\r | |
| 799 | //\r | |
| 800 | ZeroMem (&Cmd, sizeof(Cmd));\r | |
| 801 | ZeroMem (&Res, sizeof(Res));\r | |
| 802 | return Status;\r | |
| c1d93242 | 803 | }\r |