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## @file
# Provides SMM authenticated variable service
#
# This module installs SMM variable protocol into SMM protocol database,
# which can be used by SMM driver, and installs SMM variable protocol
# into BS protocol database, which can be used to notify the SMM Runtime
# Dxe driver that the SMM variable service is ready.
# This module should be used with SMM Runtime DXE module together. The
# SMM Runtime DXE module installs variable arch protocol and variable
# write arch protocol based on SMM variable module.
#
# Caution: This module requires additional review when modified.
# This driver will have external input - variable data and communicate buffer in SMM mode.
# This external input must be validated carefully to avoid security issues such as
# buffer overflow or integer overflow.
# The whole SMM authentication variable design relies on the integrity of flash part and SMM.
# which is assumed to be protected by platform. All variable code and metadata in flash/SMM Memory
# may not be modified without authorization. If platform fails to protect these resources,
# the authentication service provided in this driver will be broken, and the behavior is undefined.
#
# Copyright (c) 2010 - 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
# http://opensource.org/licenses/bsd-license.php
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = VariableAuthSmm
MODULE_UNI_FILE = VariableAuthSmm.uni
FILE_GUID = D34BDC5E-968A-40f5-A48C-E594F45AE211
MODULE_TYPE = DXE_SMM_DRIVER
VERSION_STRING = 1.0
PI_SPECIFICATION_VERSION = 0x0001000A
ENTRY_POINT = VariableServiceInitialize
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64
#
[Sources]
Reclaim.c
Variable.c
VariableSmm.c
AuthService.c
VarCheck.c
Variable.h
AuthService.h
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
CryptoPkg/CryptoPkg.dec
SecurityPkg/SecurityPkg.dec
[LibraryClasses]
UefiDriverEntryPoint
MemoryAllocationLib
BaseLib
SynchronizationLib
UefiLib
SmmServicesTableLib
BaseMemoryLib
DebugLib
DxeServicesTableLib
BaseCryptLib
PlatformSecureLib
HobLib
PcdLib
DevicePathLib
[Protocols]
gEfiSmmFirmwareVolumeBlockProtocolGuid ## CONSUMES
gEfiSmmAccess2ProtocolGuid ## CONSUMES
## PRODUCES
## UNDEFINED # SmiHandlerRegister
gEfiSmmVariableProtocolGuid
## CONSUMES
## NOTIFY
gEfiSmmFaultTolerantWriteProtocolGuid
gEfiSmmEndOfDxeProtocolGuid ## NOTIFY
gEdkiiSmmVarCheckProtocolGuid ## PRODUCES
[Guids]
## PRODUCES ## GUID # Variable store header
## CONSUMES ## GUID # Variable store header
## SOMETIMES_CONSUMES ## HOB
gEfiAuthenticatedVariableGuid
## SOMETIMES_CONSUMES ## Variable:L"PlatformLang"
## SOMETIMES_PRODUCES ## Variable:L"PlatformLang"
## SOMETIMES_CONSUMES ## Variable:L"Lang"
## SOMETIMES_PRODUCES ## Variable:L"Lang"
## SOMETIMES_CONSUMES ## Variable:L"HwErrRecSupport"
## CONSUMES ## Variable:L"SetupMode"
## PRODUCES ## Variable:L"SetupMode"
## SOMETIMES_CONSUMES ## Variable:L"PK"
## SOMETIMES_CONSUMES ## Variable:L"KEK"
## CONSUMES ## Variable:L"SecureBoot"
## PRODUCES ## Variable:L"SecureBoot"
## CONSUMES ## Variable:L"SignatureSupport"
## PRODUCES ## Variable:L"SignatureSupport"
## PRODUCES ## Variable:L"VendorKeys"
gEfiGlobalVariableGuid
## SOMETIMES_CONSUMES ## Variable:L"DB"
## SOMETIMES_CONSUMES ## Variable:L"DBX"
gEfiImageSecurityDatabaseGuid
## CONSUMES ## Variable:L"SecureBootEnable"
## PRODUCES ## Variable:L"SecureBootEnable"
gEfiSecureBootEnableDisableGuid
## CONSUMES ## Variable:L"CustomMode"
## PRODUCES ## Variable:L"CustomMode"
gEfiCustomModeEnableGuid
## CONSUMES ## Variable:L"certdb"
## PRODUCES ## Variable:L"certdb"
gEfiCertDbGuid
## CONSUMES ## Variable:L"VendorKeysNv"
## PRODUCES ## Variable:L"VendorKeysNv"
gEfiVendorKeysNvGuid
gSmmVariableWriteGuid ## PRODUCES ## GUID # Install protocol
gEfiCertTypeRsa2048Sha256Guid ## SOMETIMES_CONSUMES ## GUID # Unique ID for the format of the CertData.
gEfiCertPkcs7Guid ## SOMETIMES_CONSUMES ## GUID # Unique ID for the format of the CertData.
gEfiCertX509Guid ## SOMETIMES_CONSUMES ## GUID # Unique ID for the type of the signature.
gEfiSystemNvDataFvGuid ## CONSUMES ## GUID
gEfiHardwareErrorVariableGuid ## SOMETIMES_CONSUMES ## Variable:L"HwErrRec####"
gEdkiiFaultTolerantWriteGuid ## SOMETIMES_CONSUMES ## HOB
gEdkiiVarErrorFlagGuid ## CONSUMES ## GUID
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase ## SOMETIMES_CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64 ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxHardwareErrorVariableSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdVariableStoreSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdHwErrStorageSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxUserNvVariableSpaceSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdBoottimeReservedNvVariableSpaceSize ## CONSUMES
[FeaturePcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdVariableCollectStatistics ## CONSUMES # statistic the information of variable.
gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultLangDeprecate ## CONSUMES # Auto update PlatformLang/Lang
[Depex]
TRUE
[UserExtensions.TianoCore."ExtraFiles"]
VariableSmmExtra.uni
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