\r
ExecutePendingTpmRequest() will receive untrusted input and do validation.\r
\r
-Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials \r
are licensed and made available under the terms and conditions of the BSD License \r
which accompanies this distribution. The full text of the license may be found at \r
#include <PiDxe.h>\r
\r
#include <Protocol/TcgService.h>\r
+#include <Protocol/VariableLock.h>\r
#include <Library/DebugLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/UefiRuntimeServicesTableLib.h>\r
#include <Library/HiiLib.h>\r
#include <Guid/EventGroup.h>\r
#include <Guid/PhysicalPresenceData.h>\r
+#include <Library/TcgPpVendorLib.h>\r
\r
-#define TPM_PP_USER_ABORT ((TPM_RESULT)(-0x10))\r
-#define TPM_PP_BIOS_FAILURE ((TPM_RESULT)(-0x0f))\r
#define CONFIRM_BUFFER_SIZE 4096\r
\r
EFI_HII_HANDLE mPpStringPackHandle;\r
@param[in] AdditionalParameterSize Additional parameter size. \r
@param[in] AdditionalParameters Pointer to the Additional paramaters. \r
\r
- @retval TPM_PP_BIOS_FAILURE Error occurred during sending command to TPM or \r
- receiving response from TPM.\r
- @retval Others Return code from the TPM device after command execution.\r
+ @retval TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE Error occurred during sending command to TPM or \r
+ receiving response from TPM.\r
+ @retval Others Return code from the TPM device after command execution.\r
\r
**/\r
-TPM_RESULT\r
+UINT32\r
TpmCommandNoReturnData (\r
IN EFI_TCG_PROTOCOL *TcgProtocol,\r
IN TPM_COMMAND_CODE Ordinal,\r
\r
TpmRqu = (TPM_RQU_COMMAND_HDR*) AllocatePool (sizeof (*TpmRqu) + AdditionalParameterSize);\r
if (TpmRqu == NULL) {\r
- return TPM_PP_BIOS_FAILURE;\r
+ return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE;\r
}\r
\r
TpmRqu->tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
);\r
FreePool (TpmRqu);\r
if (EFI_ERROR (Status) || (TpmRsp.tag != SwapBytes16 (TPM_TAG_RSP_COMMAND))) {\r
- return TPM_PP_BIOS_FAILURE;\r
+ return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE;\r
}\r
return SwapBytes32 (TpmRsp.returnCode);\r
}\r
@param[in] CommandCode Physical presence operation value.\r
@param[in, out] PpiFlags The physical presence interface flags.\r
\r
- @retval TPM_PP_BIOS_FAILURE Unknown physical presence operation.\r
- @retval TPM_PP_BIOS_FAILURE Error occurred during sending command to TPM or \r
- receiving response from TPM.\r
- @retval Others Return code from the TPM device after command execution.\r
+ @retval TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE Unknown physical presence operation.\r
+ @retval TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE Error occurred during sending command to TPM or \r
+ receiving response from TPM.\r
+ @retval Others Return code from the TPM device after command execution.\r
\r
**/\r
-TPM_RESULT\r
+UINT32\r
ExecutePhysicalPresence (\r
- IN EFI_TCG_PROTOCOL *TcgProtocol,\r
- IN UINT8 CommandCode,\r
- IN OUT UINT8 *PpiFlags\r
+ IN EFI_TCG_PROTOCOL *TcgProtocol,\r
+ IN UINT32 CommandCode,\r
+ IN OUT EFI_PHYSICAL_PRESENCE_FLAGS *PpiFlags\r
)\r
{\r
BOOLEAN BoolVal;\r
- TPM_RESULT TpmResponse;\r
+ UINT32 TpmResponse;\r
UINT32 InData[5];\r
\r
switch (CommandCode) {\r
// PHYSICAL_PRESENCE_ENABLE_ACTIVATE + PHYSICAL_PRESENCE_SET_OWNER_INSTALL_TRUE\r
// PHYSICAL_PRESENCE_SET_OWNER_INSTALL_TRUE will be executed after reboot\r
//\r
- if ((*PpiFlags & FLAG_RESET_TRACK) == 0) {\r
+ if ((PpiFlags->PPFlags & TCG_VENDOR_LIB_FLAG_RESET_TRACK) == 0) {\r
TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_ENABLE_ACTIVATE, PpiFlags);\r
- *PpiFlags |= FLAG_RESET_TRACK;\r
+ PpiFlags->PPFlags |= TCG_VENDOR_LIB_FLAG_RESET_TRACK;\r
} else {\r
TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_SET_OWNER_INSTALL_TRUE, PpiFlags);\r
- *PpiFlags &= ~FLAG_RESET_TRACK;\r
+ PpiFlags->PPFlags &= ~TCG_VENDOR_LIB_FLAG_RESET_TRACK;\r
}\r
return TpmResponse;\r
\r
// This command requires UI to prompt user for Auth data\r
// Here it is NOT implemented\r
//\r
- return TPM_PP_BIOS_FAILURE;\r
+ return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE;\r
\r
case PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE:\r
TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_CLEAR, PpiFlags);\r
return TpmResponse;\r
\r
case PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_FALSE:\r
- *PpiFlags &= ~FLAG_NO_PPI_PROVISION;\r
+ PpiFlags->PPFlags &= ~TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_PROVISION;\r
return 0;\r
\r
case PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_TRUE:\r
- *PpiFlags |= FLAG_NO_PPI_PROVISION;\r
+ PpiFlags->PPFlags |= TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_PROVISION;\r
return 0;\r
\r
case PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_FALSE:\r
- *PpiFlags &= ~FLAG_NO_PPI_CLEAR;\r
+ PpiFlags->PPFlags &= ~TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_CLEAR;\r
return 0;\r
\r
case PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_TRUE:\r
- *PpiFlags |= FLAG_NO_PPI_CLEAR;\r
+ PpiFlags->PPFlags |= TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_CLEAR;\r
return 0;\r
\r
case PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_FALSE:\r
- *PpiFlags &= ~FLAG_NO_PPI_MAINTENANCE;\r
+ PpiFlags->PPFlags &= ~TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_MAINTENANCE;\r
return 0;\r
\r
case PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_TRUE:\r
- *PpiFlags |= FLAG_NO_PPI_MAINTENANCE;\r
+ PpiFlags->PPFlags |= TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_MAINTENANCE;\r
return 0;\r
\r
case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR:\r
// PHYSICAL_PRESENCE_ENABLE_ACTIVATE + PHYSICAL_PRESENCE_CLEAR\r
// PHYSICAL_PRESENCE_CLEAR will be executed after reboot.\r
//\r
- if ((*PpiFlags & FLAG_RESET_TRACK) == 0) {\r
+ if ((PpiFlags->PPFlags & TCG_VENDOR_LIB_FLAG_RESET_TRACK) == 0) {\r
TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_ENABLE_ACTIVATE, PpiFlags);\r
- *PpiFlags |= FLAG_RESET_TRACK;\r
+ PpiFlags->PPFlags |= TCG_VENDOR_LIB_FLAG_RESET_TRACK;\r
} else {\r
TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_CLEAR, PpiFlags);\r
- *PpiFlags &= ~FLAG_RESET_TRACK;\r
+ PpiFlags->PPFlags &= ~TCG_VENDOR_LIB_FLAG_RESET_TRACK;\r
}\r
return TpmResponse;\r
\r
// PHYSICAL_PRESENCE_ENABLE_ACTIVATE + PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE\r
// PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE will be executed after reboot.\r
//\r
- if ((*PpiFlags & FLAG_RESET_TRACK) == 0) {\r
+ if ((PpiFlags->PPFlags & TCG_VENDOR_LIB_FLAG_RESET_TRACK) == 0) {\r
TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_ENABLE_ACTIVATE, PpiFlags);\r
- *PpiFlags |= FLAG_RESET_TRACK;\r
+ PpiFlags->PPFlags |= TCG_VENDOR_LIB_FLAG_RESET_TRACK;\r
} else {\r
TpmResponse = ExecutePhysicalPresence (TcgProtocol, PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE, PpiFlags);\r
- *PpiFlags &= ~FLAG_RESET_TRACK;\r
+ PpiFlags->PPFlags &= ~TCG_VENDOR_LIB_FLAG_RESET_TRACK;\r
} \r
return TpmResponse;\r
\r
default:\r
;\r
}\r
- return TPM_PP_BIOS_FAILURE;\r
+ return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE;\r
}\r
\r
\r
If false, F10 is used as confirm key.\r
\r
@retval TRUE User confirmed the changes by input.\r
- @retval FALSE User discarded the changes.\r
+ @retval FALSE User discarded the changes or device error.\r
\r
**/\r
BOOLEAN\r
EFI_STATUS Status;\r
EFI_INPUT_KEY Key;\r
UINT16 InputKey;\r
- \r
+ UINTN Index;\r
+\r
InputKey = 0; \r
do {\r
- Status = gBS->CheckEvent (gST->ConIn->WaitForKey);\r
- if (!EFI_ERROR (Status)) {\r
- Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
- if (Key.ScanCode == SCAN_ESC) {\r
- InputKey = Key.ScanCode;\r
- }\r
- if ((Key.ScanCode == SCAN_F10) && !CautionKey) {\r
- InputKey = Key.ScanCode;\r
- }\r
- if ((Key.ScanCode == SCAN_F12) && CautionKey) {\r
- InputKey = Key.ScanCode;\r
- }\r
- } \r
+ Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
+ if (Status == EFI_NOT_READY) {\r
+ gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &Index);\r
+ continue;\r
+ }\r
+\r
+ if (Status == EFI_DEVICE_ERROR) {\r
+ return FALSE;\r
+ }\r
+\r
+ if (Key.ScanCode == SCAN_ESC) {\r
+ InputKey = Key.ScanCode;\r
+ }\r
+ if ((Key.ScanCode == SCAN_F10) && !CautionKey) {\r
+ InputKey = Key.ScanCode;\r
+ }\r
+ if ((Key.ScanCode == SCAN_F12) && CautionKey) {\r
+ InputKey = Key.ScanCode;\r
+ }\r
} while (InputKey == 0);\r
\r
if (InputKey != SCAN_ESC) {\r
**/\r
BOOLEAN\r
UserConfirm (\r
- IN UINT8 TpmPpCommand\r
+ IN UINT32 TpmPpCommand\r
)\r
{\r
CHAR16 *ConfirmText;\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1); \r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1); \r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_OFF));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_OFF));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_MAINTAIN));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR_CONT));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_CLEAR));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1); \r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_MAINTAIN));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR_CONT));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
\r
TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
+ StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
FreePool (TmpStr1);\r
break;\r
\r
}\r
\r
/**\r
- Check and execute the requested physical presence command.\r
-\r
- Caution: This function may receive untrusted input.\r
- TcgPpData variable is external input, so this function will validate\r
- its data structure to be valid value.\r
-\r
- @param[in] TcgProtocol EFI TCG Protocol instance. \r
- @param[in] TcgPpData Point to the physical presence NV variable.\r
+ Check if there is a valid physical presence command request. Also updates parameter value \r
+ to whether the requested physical presence command already confirmed by user\r
+ \r
+ @param[in] TcgPpData EFI TCG Physical Presence request data.\r
+ @param[in] Flags The physical presence interface flags. \r
+ @param[out] RequestConfirmed If the physical presence operation command required user confirm from UI.\r
+ True, it indicates the command doesn't require user confirm, or already confirmed \r
+ in last boot cycle by user.\r
+ False, it indicates the command need user confirm from UI.\r
+\r
+ @retval TRUE Physical Presence operation command is valid.\r
+ @retval FALSE Physical Presence operation command is invalid.\r
\r
**/\r
-VOID\r
-ExecutePendingTpmRequest (\r
- IN EFI_TCG_PROTOCOL *TcgProtocol,\r
- IN EFI_PHYSICAL_PRESENCE *TcgPpData\r
+BOOLEAN\r
+HaveValidTpmRequest (\r
+ IN EFI_PHYSICAL_PRESENCE *TcgPpData,\r
+ IN EFI_PHYSICAL_PRESENCE_FLAGS Flags,\r
+ OUT BOOLEAN *RequestConfirmed\r
)\r
{\r
- EFI_STATUS Status;\r
- UINTN DataSize;\r
- UINT8 Flags;\r
- BOOLEAN RequestConfirmed;\r
+ BOOLEAN IsRequestValid;\r
+\r
+ *RequestConfirmed = FALSE;\r
\r
- Flags = TcgPpData->Flags;\r
- RequestConfirmed = FALSE; \r
switch (TcgPpData->PPRequest) {\r
case PHYSICAL_PRESENCE_NO_ACTION:\r
- return;\r
+ *RequestConfirmed = TRUE;\r
+ return TRUE;\r
case PHYSICAL_PRESENCE_ENABLE:\r
case PHYSICAL_PRESENCE_DISABLE:\r
case PHYSICAL_PRESENCE_ACTIVATE:\r
case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_OWNER_TRUE:\r
case PHYSICAL_PRESENCE_DEACTIVATE_DISABLE_OWNER_FALSE:\r
case PHYSICAL_PRESENCE_SET_OPERATOR_AUTH:\r
- if ((Flags & FLAG_NO_PPI_PROVISION) != 0) {\r
- RequestConfirmed = TRUE;\r
+ if ((Flags.PPFlags & TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_PROVISION) != 0) {\r
+ *RequestConfirmed = TRUE;\r
}\r
break;\r
\r
case PHYSICAL_PRESENCE_CLEAR:\r
case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR:\r
- if ((Flags & FLAG_NO_PPI_CLEAR) != 0) {\r
- RequestConfirmed = TRUE;\r
+ if ((Flags.PPFlags & TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_CLEAR) != 0) {\r
+ *RequestConfirmed = TRUE;\r
}\r
break;\r
\r
case PHYSICAL_PRESENCE_DEFERRED_PP_UNOWNERED_FIELD_UPGRADE:\r
- if ((Flags & FLAG_NO_PPI_MAINTENANCE) != 0) {\r
- RequestConfirmed = TRUE;\r
+ if ((Flags.PPFlags & TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_MAINTENANCE) != 0) {\r
+ *RequestConfirmed = TRUE;\r
}\r
break;\r
\r
case PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE:\r
case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE:\r
- if ((Flags & FLAG_NO_PPI_CLEAR) != 0 && (Flags & FLAG_NO_PPI_PROVISION) != 0) {\r
- RequestConfirmed = TRUE;\r
+ if ((Flags.PPFlags & TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_CLEAR) != 0 && (Flags.PPFlags & TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_PROVISION) != 0) {\r
+ *RequestConfirmed = TRUE;\r
}\r
- break; \r
+ break;\r
\r
case PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_FALSE:\r
case PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_FALSE:\r
case PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_FALSE:\r
- RequestConfirmed = TRUE;\r
+ *RequestConfirmed = TRUE;\r
break;\r
- \r
+\r
+ case PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_TRUE:\r
+ case PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_TRUE:\r
+ case PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_TRUE:\r
+ break;\r
+\r
default:\r
- //\r
- // Invalid operation request.\r
- //\r
- TcgPpData->PPResponse = TPM_PP_BIOS_FAILURE;\r
- TcgPpData->LastPPRequest = TcgPpData->PPRequest;\r
- TcgPpData->PPRequest = PHYSICAL_PRESENCE_NO_ACTION;\r
- DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r
- Status = gRT->SetVariable (\r
- PHYSICAL_PRESENCE_VARIABLE,\r
- &gEfiPhysicalPresenceGuid,\r
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
- DataSize,\r
- TcgPpData\r
- );\r
- return;\r
+ if (TcgPpData->PPRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION) {\r
+ IsRequestValid = TcgPpVendorLibHasValidRequest (TcgPpData->PPRequest, Flags.PPFlags, RequestConfirmed);\r
+ if (!IsRequestValid) {\r
+ return FALSE;\r
+ } else {\r
+ break;\r
+ }\r
+ } else {\r
+ //\r
+ // Wrong Physical Presence command\r
+ //\r
+ return FALSE;\r
+ }\r
}\r
\r
- if ((Flags & FLAG_RESET_TRACK) != 0) {\r
+ if ((Flags.PPFlags & TCG_VENDOR_LIB_FLAG_RESET_TRACK) != 0) {\r
//\r
// It had been confirmed in last boot, it doesn't need confirm again.\r
//\r
- RequestConfirmed = TRUE;\r
+ *RequestConfirmed = TRUE;\r
}\r
\r
- if (!RequestConfirmed) {\r
+ //\r
+ // Physical Presence command is correct\r
+ //\r
+ return TRUE;\r
+}\r
+\r
+\r
+/**\r
+ Check and execute the requested physical presence command.\r
+\r
+ Caution: This function may receive untrusted input.\r
+ TcgPpData variable is external input, so this function will validate\r
+ its data structure to be valid value.\r
+\r
+ @param[in] TcgProtocol EFI TCG Protocol instance. \r
+ @param[in] TcgPpData Point to the physical presence NV variable.\r
+ @param[in] Flags The physical presence interface flags.\r
+\r
+**/\r
+VOID\r
+ExecutePendingTpmRequest (\r
+ IN EFI_TCG_PROTOCOL *TcgProtocol,\r
+ IN EFI_PHYSICAL_PRESENCE *TcgPpData,\r
+ IN EFI_PHYSICAL_PRESENCE_FLAGS Flags\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINTN DataSize;\r
+ BOOLEAN RequestConfirmed;\r
+ EFI_PHYSICAL_PRESENCE_FLAGS NewFlags;\r
+ BOOLEAN ResetRequired;\r
+ UINT32 NewPPFlags;\r
+\r
+ if (!HaveValidTpmRequest(TcgPpData, Flags, &RequestConfirmed)) {\r
+ //\r
+ // Invalid operation request.\r
+ //\r
+ TcgPpData->PPResponse = TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE;\r
+ TcgPpData->LastPPRequest = TcgPpData->PPRequest;\r
+ TcgPpData->PPRequest = PHYSICAL_PRESENCE_NO_ACTION;\r
+ DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r
+ Status = gRT->SetVariable (\r
+ PHYSICAL_PRESENCE_VARIABLE,\r
+ &gEfiPhysicalPresenceGuid,\r
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
+ DataSize,\r
+ TcgPpData\r
+ );\r
+ return;\r
+ }\r
+\r
+ ResetRequired = FALSE;\r
+ if (TcgPpData->PPRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION) {\r
+ NewFlags = Flags;\r
+ NewPPFlags = NewFlags.PPFlags;\r
+ TcgPpData->PPResponse = TcgPpVendorLibExecutePendingRequest (TcgPpData->PPRequest, &NewPPFlags, &ResetRequired);\r
+ NewFlags.PPFlags = (UINT8)NewPPFlags;\r
+ } else {\r
+ if (!RequestConfirmed) {\r
+ //\r
+ // Print confirm text and wait for approval. \r
+ //\r
+ RequestConfirmed = UserConfirm (TcgPpData->PPRequest);\r
+ }\r
+\r
//\r
- // Print confirm text and wait for approval. \r
+ // Execute requested physical presence command\r
//\r
- RequestConfirmed = UserConfirm (TcgPpData->PPRequest);\r
+ TcgPpData->PPResponse = TCG_PP_OPERATION_RESPONSE_USER_ABORT;\r
+ NewFlags = Flags;\r
+ if (RequestConfirmed) {\r
+ TcgPpData->PPResponse = ExecutePhysicalPresence (TcgProtocol, TcgPpData->PPRequest, &NewFlags);\r
+ }\r
}\r
\r
//\r
- // Execute requested physical presence command\r
+ // Save the flags if it is updated.\r
//\r
- TcgPpData->PPResponse = TPM_PP_USER_ABORT;\r
- if (RequestConfirmed) {\r
- TcgPpData->PPResponse = ExecutePhysicalPresence (TcgProtocol, TcgPpData->PPRequest, &TcgPpData->Flags);\r
+ if (CompareMem (&Flags, &NewFlags, sizeof(EFI_PHYSICAL_PRESENCE_FLAGS)) != 0) {\r
+ Status = gRT->SetVariable (\r
+ PHYSICAL_PRESENCE_FLAGS_VARIABLE,\r
+ &gEfiPhysicalPresenceGuid,\r
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
+ sizeof (EFI_PHYSICAL_PRESENCE_FLAGS),\r
+ &NewFlags\r
+ ); \r
+ if (EFI_ERROR (Status)) {\r
+ return;\r
+ }\r
}\r
-\r
+ \r
//\r
// Clear request\r
//\r
- if ((TcgPpData->Flags & FLAG_RESET_TRACK) == 0) {\r
+ if ((NewFlags.PPFlags & TCG_VENDOR_LIB_FLAG_RESET_TRACK) == 0) {\r
TcgPpData->LastPPRequest = TcgPpData->PPRequest;\r
TcgPpData->PPRequest = PHYSICAL_PRESENCE_NO_ACTION; \r
}\r
return;\r
}\r
\r
- if (TcgPpData->PPResponse == TPM_PP_USER_ABORT) {\r
+ if (TcgPpData->PPResponse == TCG_PP_OPERATION_RESPONSE_USER_ABORT) {\r
return;\r
}\r
\r
case PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE: \r
break;\r
default:\r
+ if (TcgPpData->LastPPRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION) {\r
+ if (ResetRequired) {\r
+ break;\r
+ } else {\r
+ return ;\r
+ }\r
+ }\r
if (TcgPpData->PPRequest != PHYSICAL_PRESENCE_NO_ACTION) {\r
break;\r
}\r
UINTN DataSize;\r
EFI_PHYSICAL_PRESENCE TcgPpData;\r
EFI_TCG_PROTOCOL *TcgProtocol;\r
+ EDKII_VARIABLE_LOCK_PROTOCOL *VariableLockProtocol;\r
+ EFI_PHYSICAL_PRESENCE_FLAGS PpiFlags;\r
\r
Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID **)&TcgProtocol);\r
if (EFI_ERROR (Status)) {\r
return ;\r
}\r
+\r
+ //\r
+ // Initialize physical presence flags.\r
+ //\r
+ DataSize = sizeof (EFI_PHYSICAL_PRESENCE_FLAGS);\r
+ Status = gRT->GetVariable (\r
+ PHYSICAL_PRESENCE_FLAGS_VARIABLE,\r
+ &gEfiPhysicalPresenceGuid,\r
+ NULL,\r
+ &DataSize,\r
+ &PpiFlags\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ PpiFlags.PPFlags = TCG_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_PROVISION;\r
+ Status = gRT->SetVariable (\r
+ PHYSICAL_PRESENCE_FLAGS_VARIABLE,\r
+ &gEfiPhysicalPresenceGuid,\r
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
+ sizeof (EFI_PHYSICAL_PRESENCE_FLAGS),\r
+ &PpiFlags\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "[TPM] Set physical presence flag failed, Status = %r\n", Status));\r
+ return ;\r
+ }\r
+ }\r
+ DEBUG ((EFI_D_INFO, "[TPM] PpiFlags = %x\n", PpiFlags.PPFlags));\r
+\r
+ //\r
+ // This flags variable controls whether physical presence is required for TPM command. \r
+ // It should be protected from malicious software. We set it as read-only variable here.\r
+ //\r
+ Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **)&VariableLockProtocol);\r
+ if (!EFI_ERROR (Status)) {\r
+ Status = VariableLockProtocol->RequestToLock (\r
+ VariableLockProtocol,\r
+ PHYSICAL_PRESENCE_FLAGS_VARIABLE,\r
+ &gEfiPhysicalPresenceGuid\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "[TPM] Error when lock variable %s, Status = %r\n", PHYSICAL_PRESENCE_FLAGS_VARIABLE, Status));\r
+ ASSERT_EFI_ERROR (Status);\r
+ }\r
+ }\r
\r
//\r
// Initialize physical presence variable.\r
&TcgPpData\r
);\r
if (EFI_ERROR (Status)) {\r
- if (Status == EFI_NOT_FOUND) {\r
- ZeroMem ((VOID*)&TcgPpData, sizeof (TcgPpData));\r
- TcgPpData.Flags |= FLAG_NO_PPI_PROVISION;\r
- DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r
- Status = gRT->SetVariable (\r
- PHYSICAL_PRESENCE_VARIABLE,\r
- &gEfiPhysicalPresenceGuid,\r
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
- DataSize,\r
- &TcgPpData\r
- );\r
+ ZeroMem ((VOID*)&TcgPpData, sizeof (TcgPpData));\r
+ DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r
+ Status = gRT->SetVariable (\r
+ PHYSICAL_PRESENCE_VARIABLE,\r
+ &gEfiPhysicalPresenceGuid,\r
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
+ DataSize,\r
+ &TcgPpData\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "[TPM] Set physical presence variable failed, Status = %r\n", Status));\r
+ return;\r
}\r
- ASSERT_EFI_ERROR (Status);\r
}\r
\r
- DEBUG ((EFI_D_INFO, "[TPM] Flags=%x, PPRequest=%x\n", TcgPpData.Flags, TcgPpData.PPRequest));\r
+ DEBUG ((EFI_D_INFO, "[TPM] Flags=%x, PPRequest=%x\n", PpiFlags.PPFlags, TcgPpData.PPRequest));\r
+\r
+ if (TcgPpData.PPRequest == PHYSICAL_PRESENCE_NO_ACTION) {\r
+ //\r
+ // No operation request\r
+ //\r
+ return;\r
+ }\r
\r
Status = GetTpmCapability (TcgProtocol, &LifetimeLock, &CmdEnable);\r
if (EFI_ERROR (Status)) {\r
//\r
// Execute pending TPM request.\r
// \r
- ExecutePendingTpmRequest (TcgProtocol, &TcgPpData);\r
+ ExecutePendingTpmRequest (TcgProtocol, &TcgPpData, PpiFlags);\r
DEBUG ((EFI_D_INFO, "[TPM] PPResponse = %x\n", TcgPpData.PPResponse));\r
\r
//\r
TpmPhysicalPresence (TcgProtocol, TPM_PHYSICAL_PRESENCE_NOTPRESENT | TPM_PHYSICAL_PRESENCE_LOCK);\r
}\r
\r
+/**\r
+ Check if the pending TPM request needs user input to confirm.\r
+\r
+ The TPM request may come from OS. This API will check if TPM request exists and need user\r
+ input to confirmation.\r
+ \r
+ @retval TRUE TPM needs input to confirm user physical presence.\r
+ @retval FALSE TPM doesn't need input to confirm user physical presence.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+TcgPhysicalPresenceLibNeedUserConfirm(\r
+ VOID\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_PHYSICAL_PRESENCE TcgPpData;\r
+ UINTN DataSize;\r
+ BOOLEAN RequestConfirmed;\r
+ BOOLEAN LifetimeLock;\r
+ BOOLEAN CmdEnable;\r
+ EFI_TCG_PROTOCOL *TcgProtocol;\r
+ EFI_PHYSICAL_PRESENCE_FLAGS PpiFlags;\r
+ \r
+ Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID **)&TcgProtocol);\r
+ if (EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // Check Tpm requests\r
+ //\r
+ DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r
+ Status = gRT->GetVariable (\r
+ PHYSICAL_PRESENCE_VARIABLE,\r
+ &gEfiPhysicalPresenceGuid,\r
+ NULL,\r
+ &DataSize,\r
+ &TcgPpData\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
+\r
+ DataSize = sizeof (EFI_PHYSICAL_PRESENCE_FLAGS);\r
+ Status = gRT->GetVariable (\r
+ PHYSICAL_PRESENCE_FLAGS_VARIABLE,\r
+ &gEfiPhysicalPresenceGuid,\r
+ NULL,\r
+ &DataSize,\r
+ &PpiFlags\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
+ \r
+ if (TcgPpData.PPRequest == PHYSICAL_PRESENCE_NO_ACTION) {\r
+ //\r
+ // No operation request\r
+ //\r
+ return FALSE;\r
+ }\r
+\r
+ if (!HaveValidTpmRequest(&TcgPpData, PpiFlags, &RequestConfirmed)) {\r
+ //\r
+ // Invalid operation request.\r
+ //\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // Check Tpm Capability\r
+ //\r
+ Status = GetTpmCapability (TcgProtocol, &LifetimeLock, &CmdEnable);\r
+ if (EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
+\r
+ if (!CmdEnable) {\r
+ if (LifetimeLock) {\r
+ //\r
+ // physicalPresenceCMDEnable is locked, can't execute physical presence command.\r
+ //\r
+ return FALSE;\r
+ }\r
+ }\r
+\r
+ if (!RequestConfirmed) {\r
+ //\r
+ // Need UI to confirm\r
+ //\r
+ return TRUE;\r
+ }\r
+\r
+ return FALSE;\r
+}\r
+\r
projects / mirror_edk2.git / blobdiff