4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/** @file
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NULL PlatformSecureLib instance does NOT really detect whether a physical present
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync user exists but return TRUE directly. This instance can be used to verify security
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync related features during platform enabling and development. It should be replaced
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync by a platform-specific method(e.g. Button pressed) in a real platform for product.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncCopyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncThis program and the accompanying materials
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncare licensed and made available under the terms and conditions of the BSD License
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncwhich accompanies this distribution. The full text of the license may be found at
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynchttp://opensource.org/licenses/bsd-license.php
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncTHE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncWITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This function provides a platform-specific method to detect whether the platform
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync is operating by a physically present user.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Programmatic changing of platform security policy (such as disable Secure Boot,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync or switch between Standard/Custom Secure Boot mode) MUST NOT be possible during
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Boot Services or after exiting EFI Boot Services. Only a physically present user
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync is allowed to perform these operations.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NOTE THAT: This function cannot depend on any EFI Variable Service since they are
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync not available when this function is called in AuthenticateVariable driver.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval TRUE The platform is operated by a physically present user.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval FALSE The platform is NOT operated by a physically present user.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncBOOLEAN
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncUserPhysicalPresent (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync VOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return TRUE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}