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289b714b77
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com> Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/** @file
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NULL PlatformSecureLib instance does NOT really detect whether a physical present
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user exists but return TRUE directly. This instance can be used to verify security
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related features during platform enabling and development. It should be replaced
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by a platform-specific method(e.g. Button pressed) in a real platform for product.
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Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Uefi/UefiBaseType.h>
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BOOLEAN mUserPhysicalPresence = FALSE;
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/**
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This function provides a platform-specific method to detect whether the platform
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is operating by a physically present user.
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Programmatic changing of platform security policy (such as disable Secure Boot,
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or switch between Standard/Custom Secure Boot mode) MUST NOT be possible during
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Boot Services or after exiting EFI Boot Services. Only a physically present user
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is allowed to perform these operations.
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NOTE THAT: This function cannot depend on any EFI Variable Service since they are
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not available when this function is called in AuthenticateVariable driver.
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@retval TRUE The platform is operated by a physically present user.
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@retval FALSE The platform is NOT operated by a physically present user.
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**/
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BOOLEAN
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EFIAPI
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UserPhysicalPresent (
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VOID
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)
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{
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return mUserPhysicalPresence;
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}
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/**
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Save user physical presence state from a PCD to mUserPhysicalPresence.
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@retval EFI_SUCCESS PcdUserPhysicalPresence is got successfully.
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**/
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RETURN_STATUS
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EFIAPI
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PlatformSecureLibNullConstructor (
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VOID
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)
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{
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mUserPhysicalPresence = PcdGetBool(PcdUserPhysicalPresence);
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return RETURN_SUCCESS;
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}
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