audk/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresenceLib.c

42 lines
1.3 KiB
C

/** @file
Handle TPM 2.0 physical presence requests from OS.
This library will handle TPM 2.0 physical presence request from OS.
Caution: This module requires additional review when modified.
This driver will have external input - variable.
This external input must be validated carefully to avoid security issue.
Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction() and Tcg2PhysicalPresenceLibGetUserConfirmationStatusFunction()
will receive untrusted input and do validation.
Copyright (c) 2015 - 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PiSmm.h>
#include "MmTcg2PhysicalPresenceLibCommon.h"
/**
The constructor function locates SmmVariable protocol.
It will ASSERT() if that operation fails and it will always return EFI_SUCCESS.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The constructor successfully added string package.
@retval Other value The constructor can't add string package.
**/
EFI_STATUS
EFIAPI
Tcg2PhysicalPresenceLibTraditionalConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
return Tcg2PhysicalPresenceLibCommonConstructor ();
}