X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=SecurityPkg%2FLibrary%2FDxeTpmMeasureBootLib%2FDxeTpmMeasureBootLib.c;h=25788b854937fc8c3dc0bad92c157c057f7cf873;hb=a00bd8e0e652fe8bbab8a9422fbc25d83552e9f8;hp=5bfa282bc5e2d2dc0c3157351196385fc6f5f21a;hpb=7a1f792dcf291d6e4c38d595e92de5c30d8ff9aa;p=mirror_edk2.git

diff --git a/SecurityPkg/Library/DxeTpmMeasureBootLib/DxeTpmMeasureBootLib.c b/SecurityPkg/Library/DxeTpmMeasureBootLib/DxeTpmMeasureBootLib.c
index 5bfa282bc5..25788b8549 100644
--- a/SecurityPkg/Library/DxeTpmMeasureBootLib/DxeTpmMeasureBootLib.c
+++ b/SecurityPkg/Library/DxeTpmMeasureBootLib/DxeTpmMeasureBootLib.c
@@ -15,7 +15,7 @@
   TcgMeasureGptTable() function will receive untrusted GPT partition table, and parse
   partition data carefully.
 
-Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>
 This program and the accompanying materials 
 are licensed and made available under the terms and conditions of the BSD License 
 which accompanies this distribution.  The full text of the license may be found at 
@@ -34,6 +34,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Protocol/FirmwareVolumeBlock.h>
 
 #include <Guid/MeasuredFvHob.h>
+#include <Guid/ZeroGuid.h>
 
 #include <Library/BaseLib.h>
 #include <Library/DebugLib.h>
@@ -50,10 +51,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 // Flag to check GPT partition. It only need be measured once.
 //
 BOOLEAN                           mMeasureGptTableFlag = FALSE;
-EFI_GUID                          mZeroGuid = {0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0}};
 UINTN                             mMeasureGptCount = 0;
 VOID                              *mFileBuffer;
-UINTN                             mImageSize;
+UINTN                             mTpmImageSize;
 //
 // Measured FV handle cache
 //
@@ -95,11 +95,11 @@ DxeTpmMeasureBootLibImageRead (
   }
 
   EndPosition = FileOffset + *ReadSize;
-  if (EndPosition > mImageSize) {
-    *ReadSize = (UINT32)(mImageSize - FileOffset);
+  if (EndPosition > mTpmImageSize) {
+    *ReadSize = (UINT32)(mTpmImageSize - FileOffset);
   }
 
-  if (FileOffset >= mImageSize) {
+  if (FileOffset >= mTpmImageSize) {
     *ReadSize = 0;
   }
 
@@ -202,7 +202,7 @@ TcgMeasureGptTable (
   PartitionEntry    = (EFI_PARTITION_ENTRY *)EntryPtr;
   NumberOfPartition = 0;
   for (Index = 0; Index < PrimaryHeader->NumberOfPartitionEntries; Index++) {
-    if (!CompareGuid (&PartitionEntry->PartitionTypeGUID, &mZeroGuid)) {
+    if (!CompareGuid (&PartitionEntry->PartitionTypeGUID, &gZeroGuid)) {
       NumberOfPartition++;  
     }
     PartitionEntry = (EFI_PARTITION_ENTRY *)((UINT8 *)PartitionEntry + PrimaryHeader->SizeOfPartitionEntry);
@@ -236,7 +236,7 @@ TcgMeasureGptTable (
   PartitionEntry    = (EFI_PARTITION_ENTRY*)EntryPtr;
   NumberOfPartition = 0;
   for (Index = 0; Index < PrimaryHeader->NumberOfPartitionEntries; Index++) {
-    if (!CompareGuid (&PartitionEntry->PartitionTypeGUID, &mZeroGuid)) {
+    if (!CompareGuid (&PartitionEntry->PartitionTypeGUID, &gZeroGuid)) {
       CopyMem (
         (UINT8 *)&GptData->Partitions + NumberOfPartition * PrimaryHeader->SizeOfPartitionEntry,
         (UINT8 *)PartitionEntry,
@@ -768,7 +768,7 @@ DxeTpmMeasureBootHandler (
              &EventLogLocation,
              &EventLogLastEntry
            );
-  if (EFI_ERROR (Status) || ProtocolCapability.TPMDeactivatedFlag) {
+  if (EFI_ERROR (Status) || ProtocolCapability.TPMDeactivatedFlag || (!ProtocolCapability.TPMPresentFlag)) {
     //
     // TPM device doesn't work or activate.
     //
@@ -908,7 +908,7 @@ DxeTpmMeasureBootHandler (
     goto Finish;
   }
 
-  mImageSize  = FileSize;
+  mTpmImageSize  = FileSize;
   mFileBuffer = FileBuffer;
 
   //