MdeModulePkg Variable: Merge from Auth Variable driver in SecurityPkg
What to do: 1. Merge from Auth Variable driver in SecurityPkg to Variable drive in MdeModulePkg. Then the merged Variable driver in MdeModulePkg will link to AuthVariableLib and TpmMeasurementLib. AuthVariableLibNull and TpmMeasurementLibNull in MdeModulePkg could be used for non auth variable support. AuthVariableLib and DxeTpmMeasurementLib in SecurityPkg may be used for auth variable support. Why to do: 1. Remove code duplication and reduce maintenance effort. After auth variable service separated from Auth Variable driver in SecurityPkg to AuthVariableLib. The remaining code logic of Auth Variable driver in SecurityPkg will be almost same with Variable driver in MdeModulePkg. Now it is to merge them. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17765 6f19259b-4bc3-4df7-8a09-765794883524
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Star Zeng
lzeng14
@@ -1,16 +1,22 @@
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## @file
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# Provides SMM variable service.
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#
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# This module installs SMM variable protocol into SMM protocol database,
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# which can be used by SMM driver, and installs SMM variable protocol
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# which can be used by SMM driver, and installs SMM variable protocol
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# into BS protocol database, which can be used to notify the SMM Runtime
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# Dxe driver that the SMM variable service is ready.
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# This module should be used with SMM Runtime DXE module together. The
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# SMM Runtime DXE module would install variable arch protocol and variable
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# This module should be used with SMM Runtime DXE module together. The
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# SMM Runtime DXE module would install variable arch protocol and variable
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# write arch protocol based on SMM variable module.
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#
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# Caution: This module requires additional review when modified.
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# This driver will have external input - variable data and communicate buffer in SMM mode.
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# This external input must be validated carefully to avoid security issue like
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# buffer overflow, integer overflow.
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# This external input must be validated carefully to avoid security issues such as
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# buffer overflow or integer overflow.
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# The whole SMM authentication variable design relies on the integrity of flash part and SMM.
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# which is assumed to be protected by platform. All variable code and metadata in flash/SMM Memory
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# may not be modified without authorization. If platform fails to protect these resources,
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# the authentication service provided in this driver will be broken, and the behavior is undefined.
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#
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# Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.<BR>
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# This program and the accompanying materials
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@@ -20,7 +26,6 @@
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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#
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##
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[Defines]
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@@ -46,6 +51,7 @@
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VariableSmm.c
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VarCheck.c
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Variable.h
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VariableExLib.c
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[Packages]
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MdePkg/MdePkg.dec
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@@ -65,6 +71,7 @@
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PcdLib
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DevicePathLib
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SmmMemLib
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AuthVariableLib
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[Protocols]
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gEfiSmmFirmwareVolumeBlockProtocolGuid ## CONSUMES
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@@ -81,35 +88,55 @@
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## PRODUCES ## GUID # Signature of Variable store header
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## CONSUMES ## GUID # Signature of Variable store header
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## SOMETIMES_CONSUMES ## HOB
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## SOMETIMES_PRODUCES ## SystemTable
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gEfiAuthenticatedVariableGuid
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## PRODUCES ## GUID # Signature of Variable store header
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## CONSUMES ## GUID # Signature of Variable store header
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## SOMETIMES_CONSUMES ## HOB
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## SOMETIMES_PRODUCES ## SystemTable
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gEfiVariableGuid
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## SOMETIMES_CONSUMES ## Variable:L"PlatformLang"
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## SOMETIMES_PRODUCES ## Variable:L"PlatformLang"
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## SOMETIMES_CONSUMES ## Variable:L"Lang"
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## SOMETIMES_PRODUCES ## Variable:L"Lang"
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## SOMETIMES_CONSUMES ## Variable:L"HwErrRecSupport"
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## SOMETIMES_CONSUMES ## Variable:L"SetupMode"
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## SOMETIMES_CONSUMES ## Variable:L"PK"
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## SOMETIMES_CONSUMES ## Variable:L"KEK"
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## SOMETIMES_CONSUMES ## Variable:L"SecureBoot"
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## SOMETIMES_CONSUMES ## Variable:L"SignatureSupport"
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## SOMETIMES_CONSUMES ## Variable:L"VendorKeys"
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gEfiGlobalVariableGuid
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gSmmVariableWriteGuid ## PRODUCES ## UNDEFINED # Install protocol
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## SOMETIMES_CONSUMES ## Variable:L"DB"
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## SOMETIMES_CONSUMES ## Variable:L"DBX"
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## SOMETIMES_CONSUMES ## Variable:L"DBT"
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gEfiImageSecurityDatabaseGuid
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gSmmVariableWriteGuid ## PRODUCES ## GUID # Install protocol
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gEfiSystemNvDataFvGuid ## CONSUMES ## GUID
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gEfiHardwareErrorVariableGuid ## SOMETIMES_CONSUMES ## Variable:L"HwErrRec####"
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## SOMETIMES_CONSUMES ## HOB
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gEdkiiFaultTolerantWriteGuid
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gEdkiiFaultTolerantWriteGuid ## SOMETIMES_CONSUMES ## HOB
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gEdkiiVarErrorFlagGuid ## CONSUMES ## GUID
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[Pcd]
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gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase ## SOMETIMES_CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64 ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdMaxHardwareErrorVariableSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdVariableStoreSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdHwErrStorageSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase ## SOMETIMES_CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64 ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdMaxAuthVariableSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdMaxHardwareErrorVariableSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdVariableStoreSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdHwErrStorageSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdMaxUserNvVariableSpaceSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdBoottimeReservedNvVariableSpaceSize ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdReclaimVariableSpaceAtEndOfDxe ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdReclaimVariableSpaceAtEndOfDxe ## CONSUMES
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[FeaturePcd]
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gEfiMdeModulePkgTokenSpaceGuid.PcdVariableCollectStatistics ## CONSUMES # statistic the information of variable.
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gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultLangDeprecate ## CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdVariableCollectStatistics ## CONSUMES # statistic the information of variable.
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gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultLangDeprecate ## CONSUMES # Auto update PlatformLang/Lang
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[Depex]
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TRUE
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