DxeTpm2MeasureBootLibImageRead() function will make sure the PE/COFF image content\r
read is within the image buffer.\r
\r
- TrEEMeasurePeImage() function will accept untrusted PE/COFF image and validate its\r
+ Tcg2MeasurePeImage() function will accept untrusted PE/COFF image and validate its\r
data structure within this image buffer before use.\r
\r
- TrEEMeasureGptTable() function will receive untrusted GPT partition table, and parse\r
+ Tcg2MeasureGptTable() function will receive untrusted GPT partition table, and parse\r
partition data carefully.\r
\r
Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>\r
\r
#include <PiDxe.h>\r
\r
-#include <Protocol/TrEEProtocol.h>\r
+#include <Protocol/Tcg2Protocol.h>\r
#include <Protocol/BlockIo.h>\r
#include <Protocol/DiskIo.h>\r
#include <Protocol/DevicePathToText.h>\r
//\r
// Flag to check GPT partition. It only need be measured once.\r
//\r
-BOOLEAN mTrEEMeasureGptTableFlag = FALSE;\r
-UINTN mTrEEMeasureGptCount = 0;\r
-VOID *mTrEEFileBuffer;\r
-UINTN mTrEEImageSize;\r
+BOOLEAN mTcg2MeasureGptTableFlag = FALSE;\r
+UINTN mTcg2MeasureGptCount = 0;\r
+VOID *mTcg2FileBuffer;\r
+UINTN mTcg2ImageSize;\r
//\r
// Measured FV handle cache\r
//\r
-EFI_HANDLE mTrEECacheMeasuredHandle = NULL;\r
-MEASURED_HOB_DATA *mTrEEMeasuredHobData = NULL;\r
+EFI_HANDLE mTcg2CacheMeasuredHandle = NULL;\r
+MEASURED_HOB_DATA *mTcg2MeasuredHobData = NULL;\r
\r
/**\r
Reads contents of a PE/COFF image in memory buffer.\r
}\r
\r
EndPosition = FileOffset + *ReadSize;\r
- if (EndPosition > mTrEEImageSize) {\r
- *ReadSize = (UINT32)(mTrEEImageSize - FileOffset);\r
+ if (EndPosition > mTcg2ImageSize) {\r
+ *ReadSize = (UINT32)(mTcg2ImageSize - FileOffset);\r
}\r
\r
- if (FileOffset >= mTrEEImageSize) {\r
+ if (FileOffset >= mTcg2ImageSize) {\r
*ReadSize = 0;\r
}\r
\r
Caution: This function may receive untrusted input.\r
The GPT partition table is external input, so this function should parse partition data carefully.\r
\r
- @param TreeProtocol Pointer to the located TREE protocol instance.\r
+ @param Tcg2Protocol Pointer to the located TCG2 protocol instance.\r
@param GptHandle Handle that GPT partition was installed.\r
\r
@retval EFI_SUCCESS Successfully measure GPT table.\r
**/\r
EFI_STATUS\r
EFIAPI\r
-TrEEMeasureGptTable (\r
- IN EFI_TREE_PROTOCOL *TreeProtocol,\r
+Tcg2MeasureGptTable (\r
+ IN EFI_TCG2_PROTOCOL *Tcg2Protocol,\r
IN EFI_HANDLE GptHandle\r
)\r
{\r
UINT8 *EntryPtr;\r
UINTN NumberOfPartition;\r
UINT32 Index;\r
- TrEE_EVENT *TreeEvent;\r
+ EFI_TCG2_EVENT *Tcg2Event;\r
EFI_GPT_DATA *GptData;\r
UINT32 EventSize;\r
\r
- if (mTrEEMeasureGptCount > 0) {\r
+ if (mTcg2MeasureGptCount > 0) {\r
return EFI_SUCCESS;\r
}\r
\r
// \r
EventSize = (UINT32)(sizeof (EFI_GPT_DATA) - sizeof (GptData->Partitions) \r
+ NumberOfPartition * PrimaryHeader->SizeOfPartitionEntry);\r
- TreeEvent = (TrEE_EVENT *) AllocateZeroPool (EventSize + sizeof (TrEE_EVENT) - sizeof(TreeEvent->Event));\r
- if (TreeEvent == NULL) {\r
+ Tcg2Event = (EFI_TCG2_EVENT *) AllocateZeroPool (EventSize + sizeof (EFI_TCG2_EVENT) - sizeof(Tcg2Event->Event));\r
+ if (Tcg2Event == NULL) {\r
FreePool (PrimaryHeader);\r
FreePool (EntryPtr);\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
- TreeEvent->Size = EventSize + sizeof (TrEE_EVENT) - sizeof(TreeEvent->Event);\r
- TreeEvent->Header.HeaderSize = sizeof(TrEE_EVENT_HEADER);\r
- TreeEvent->Header.HeaderVersion = TREE_EVENT_HEADER_VERSION;\r
- TreeEvent->Header.PCRIndex = 5;\r
- TreeEvent->Header.EventType = EV_EFI_GPT_EVENT;\r
- GptData = (EFI_GPT_DATA *) TreeEvent->Event; \r
+ Tcg2Event->Size = EventSize + sizeof (EFI_TCG2_EVENT) - sizeof(Tcg2Event->Event);\r
+ Tcg2Event->Header.HeaderSize = sizeof(EFI_TCG2_EVENT_HEADER);\r
+ Tcg2Event->Header.HeaderVersion = EFI_TCG2_EVENT_HEADER_VERSION;\r
+ Tcg2Event->Header.PCRIndex = 5;\r
+ Tcg2Event->Header.EventType = EV_EFI_GPT_EVENT;\r
+ GptData = (EFI_GPT_DATA *) Tcg2Event->Event; \r
\r
//\r
// Copy the EFI_PARTITION_TABLE_HEADER and NumberOfPartition\r
//\r
// Measure the GPT data\r
//\r
- Status = TreeProtocol->HashLogExtendEvent (\r
- TreeProtocol,\r
+ Status = Tcg2Protocol->HashLogExtendEvent (\r
+ Tcg2Protocol,\r
0,\r
(EFI_PHYSICAL_ADDRESS) (UINTN) (VOID *) GptData,\r
(UINT64) EventSize,\r
- TreeEvent\r
+ Tcg2Event\r
);\r
if (!EFI_ERROR (Status)) {\r
- mTrEEMeasureGptCount++;\r
+ mTcg2MeasureGptCount++;\r
}\r
\r
FreePool (PrimaryHeader);\r
FreePool (EntryPtr);\r
- FreePool (TreeEvent);\r
+ FreePool (Tcg2Event);\r
\r
return Status;\r
}\r
PE/COFF image is external input, so this function will validate its data structure\r
within this image buffer before use.\r
\r
- @param[in] TreeProtocol Pointer to the located TREE protocol instance.\r
+ @param[in] Tcg2Protocol Pointer to the located TCG2 protocol instance.\r
@param[in] ImageAddress Start address of image buffer.\r
@param[in] ImageSize Image size\r
@param[in] LinkTimeBase Address that the image is loaded into memory.\r
**/\r
EFI_STATUS\r
EFIAPI\r
-TrEEMeasurePeImage (\r
- IN EFI_TREE_PROTOCOL *TreeProtocol,\r
+Tcg2MeasurePeImage (\r
+ IN EFI_TCG2_PROTOCOL *Tcg2Protocol,\r
IN EFI_PHYSICAL_ADDRESS ImageAddress,\r
IN UINTN ImageSize,\r
IN UINTN LinkTimeBase,\r
)\r
{\r
EFI_STATUS Status;\r
- TrEE_EVENT *TreeEvent;\r
+ EFI_TCG2_EVENT *Tcg2Event;\r
EFI_IMAGE_LOAD_EVENT *ImageLoad;\r
UINT32 FilePathSize;\r
UINT32 EventSize;\r
// Determine destination PCR by BootPolicy\r
//\r
EventSize = sizeof (*ImageLoad) - sizeof (ImageLoad->DevicePath) + FilePathSize;\r
- TreeEvent = AllocateZeroPool (EventSize + sizeof (TrEE_EVENT) - sizeof(TreeEvent->Event));\r
- if (TreeEvent == NULL) {\r
+ Tcg2Event = AllocateZeroPool (EventSize + sizeof (EFI_TCG2_EVENT) - sizeof(Tcg2Event->Event));\r
+ if (Tcg2Event == NULL) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
- TreeEvent->Size = EventSize + sizeof (TrEE_EVENT) - sizeof(TreeEvent->Event);\r
- TreeEvent->Header.HeaderSize = sizeof(TrEE_EVENT_HEADER);\r
- TreeEvent->Header.HeaderVersion = TREE_EVENT_HEADER_VERSION;\r
- ImageLoad = (EFI_IMAGE_LOAD_EVENT *) TreeEvent->Event;\r
+ Tcg2Event->Size = EventSize + sizeof (EFI_TCG2_EVENT) - sizeof(Tcg2Event->Event);\r
+ Tcg2Event->Header.HeaderSize = sizeof(EFI_TCG2_EVENT_HEADER);\r
+ Tcg2Event->Header.HeaderVersion = EFI_TCG2_EVENT_HEADER_VERSION;\r
+ ImageLoad = (EFI_IMAGE_LOAD_EVENT *) Tcg2Event->Event;\r
\r
switch (ImageType) {\r
case EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION:\r
- TreeEvent->Header.EventType = EV_EFI_BOOT_SERVICES_APPLICATION;\r
- TreeEvent->Header.PCRIndex = 4;\r
+ Tcg2Event->Header.EventType = EV_EFI_BOOT_SERVICES_APPLICATION;\r
+ Tcg2Event->Header.PCRIndex = 4;\r
break;\r
case EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:\r
- TreeEvent->Header.EventType = EV_EFI_BOOT_SERVICES_DRIVER;\r
- TreeEvent->Header.PCRIndex = 2;\r
+ Tcg2Event->Header.EventType = EV_EFI_BOOT_SERVICES_DRIVER;\r
+ Tcg2Event->Header.PCRIndex = 2;\r
break;\r
case EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:\r
- TreeEvent->Header.EventType = EV_EFI_RUNTIME_SERVICES_DRIVER;\r
- TreeEvent->Header.PCRIndex = 2;\r
+ Tcg2Event->Header.EventType = EV_EFI_RUNTIME_SERVICES_DRIVER;\r
+ Tcg2Event->Header.PCRIndex = 2;\r
break;\r
default:\r
DEBUG ((\r
EFI_D_ERROR,\r
- "TrEEMeasurePeImage: Unknown subsystem type %d",\r
+ "Tcg2MeasurePeImage: Unknown subsystem type %d",\r
ImageType\r
));\r
goto Finish;\r
//\r
// Log the PE data\r
//\r
- Status = TreeProtocol->HashLogExtendEvent (\r
- TreeProtocol,\r
+ Status = Tcg2Protocol->HashLogExtendEvent (\r
+ Tcg2Protocol,\r
PE_COFF_IMAGE,\r
ImageAddress,\r
ImageSize,\r
- TreeEvent\r
+ Tcg2Event\r
);\r
if (Status == EFI_VOLUME_FULL) {\r
//\r
}\r
\r
Finish:\r
- FreePool (TreeEvent);\r
+ FreePool (Tcg2Event);\r
\r
return Status;\r
}\r
IN BOOLEAN BootPolicy\r
)\r
{\r
- EFI_TREE_PROTOCOL *TreeProtocol;\r
+ EFI_TCG2_PROTOCOL *Tcg2Protocol;\r
EFI_STATUS Status;\r
- TREE_BOOT_SERVICE_CAPABILITY ProtocolCapability;\r
+ EFI_TCG2_BOOT_SERVICE_CAPABILITY ProtocolCapability;\r
EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;\r
EFI_DEVICE_PATH_PROTOCOL *OrigDevicePathNode;\r
EFI_HANDLE Handle;\r
EFI_PHYSICAL_ADDRESS FvAddress;\r
UINT32 Index;\r
\r
- Status = gBS->LocateProtocol (&gEfiTrEEProtocolGuid, NULL, (VOID **) &TreeProtocol);\r
+ Status = gBS->LocateProtocol (&gEfiTcg2ProtocolGuid, NULL, (VOID **) &Tcg2Protocol);\r
if (EFI_ERROR (Status)) {\r
//\r
- // TrEE protocol is not installed. So, TPM2 is not present.\r
+ // Tcg2 protocol is not installed. So, TPM2 is not present.\r
// Don't do any measurement, and directly return EFI_SUCCESS.\r
//\r
- DEBUG ((EFI_D_INFO, "DxeTpm2MeasureBootHandler - TrEE - %r\n", Status));\r
+ DEBUG ((EFI_D_INFO, "DxeTpm2MeasureBootHandler - Tcg2 - %r\n", Status));\r
return EFI_SUCCESS;\r
}\r
\r
ProtocolCapability.Size = (UINT8) sizeof (ProtocolCapability);\r
- Status = TreeProtocol->GetCapability (\r
- TreeProtocol, \r
+ Status = Tcg2Protocol->GetCapability (\r
+ Tcg2Protocol, \r
&ProtocolCapability\r
);\r
- if (EFI_ERROR (Status) || (!ProtocolCapability.TrEEPresentFlag)) {\r
+ if (EFI_ERROR (Status) || (!ProtocolCapability.TPMPresentFlag)) {\r
//\r
// TPM device doesn't work or activate.\r
//\r
- DEBUG ((EFI_D_ERROR, "DxeTpm2MeasureBootHandler (%r) - TrEEPresentFlag - %x\n", Status, ProtocolCapability.TrEEPresentFlag));\r
+ DEBUG ((EFI_D_ERROR, "DxeTpm2MeasureBootHandler (%r) - TPMPresentFlag - %x\n", Status, ProtocolCapability.TPMPresentFlag));\r
return EFI_SUCCESS;\r
}\r
\r
//\r
DevicePathNode = OrigDevicePathNode;\r
Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &DevicePathNode, &Handle);\r
- if (!EFI_ERROR (Status) && !mTrEEMeasureGptTableFlag) {\r
+ if (!EFI_ERROR (Status) && !mTcg2MeasureGptTableFlag) {\r
//\r
// Find the gpt partion on the given devicepath\r
//\r
//\r
// Measure GPT disk.\r
//\r
- Status = TrEEMeasureGptTable (TreeProtocol, Handle);\r
- DEBUG ((EFI_D_INFO, "DxeTpm2MeasureBootHandler - TrEEMeasureGptTable - %r\n", Status));\r
+ Status = Tcg2MeasureGptTable (Tcg2Protocol, Handle);\r
+ DEBUG ((EFI_D_INFO, "DxeTpm2MeasureBootHandler - Tcg2MeasureGptTable - %r\n", Status));\r
if (!EFI_ERROR (Status)) {\r
//\r
// GPT disk check done.\r
//\r
- mTrEEMeasureGptTableFlag = TRUE;\r
+ mTcg2MeasureGptTableFlag = TRUE;\r
}\r
}\r
FreePool (OrigDevicePathNode);\r
//\r
ApplicationRequired = TRUE;\r
\r
- if (mTrEECacheMeasuredHandle != Handle && mTrEEMeasuredHobData != NULL) {\r
+ if (mTcg2CacheMeasuredHandle != Handle && mTcg2MeasuredHobData != NULL) {\r
//\r
// Search for Root FV of this PE image\r
//\r
\r
ApplicationRequired = FALSE;\r
\r
- for (Index = 0; Index < mTrEEMeasuredHobData->Num; Index++) {\r
- if(mTrEEMeasuredHobData->MeasuredFvBuf[Index].BlobBase == FvAddress) {\r
+ for (Index = 0; Index < mTcg2MeasuredHobData->Num; Index++) {\r
+ if(mTcg2MeasuredHobData->MeasuredFvBuf[Index].BlobBase == FvAddress) {\r
//\r
// Cache measured FV for next measurement\r
//\r
- mTrEECacheMeasuredHandle = Handle;\r
+ mTcg2CacheMeasuredHandle = Handle;\r
ApplicationRequired = TRUE;\r
break;\r
}\r
goto Finish;\r
}\r
\r
- mTrEEImageSize = FileSize;\r
- mTrEEFileBuffer = FileBuffer;\r
+ mTcg2ImageSize = FileSize;\r
+ mTcg2FileBuffer = FileBuffer;\r
\r
//\r
// Measure PE Image\r
//\r
// Measure PE image into TPM log.\r
//\r
- Status = TrEEMeasurePeImage (\r
- TreeProtocol,\r
+ Status = Tcg2MeasurePeImage (\r
+ Tcg2Protocol,\r
(EFI_PHYSICAL_ADDRESS) (UINTN) FileBuffer, \r
FileSize, \r
(UINTN) ImageContext.ImageAddress, \r
ImageContext.ImageType, \r
DevicePathNode\r
);\r
- DEBUG ((EFI_D_INFO, "DxeTpm2MeasureBootHandler - TrEEMeasurePeImage - %r\n", Status));\r
+ DEBUG ((EFI_D_INFO, "DxeTpm2MeasureBootHandler - Tcg2MeasurePeImage - %r\n", Status));\r
}\r
\r
//\r
GuidHob = GetFirstGuidHob (&gMeasuredFvHobGuid);\r
\r
if (GuidHob != NULL) {\r
- mTrEEMeasuredHobData = GET_GUID_HOB_DATA (GuidHob);\r
+ mTcg2MeasuredHobData = GET_GUID_HOB_DATA (GuidHob);\r
}\r
\r
return RegisterSecurity2Handler (\r
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