1 /** @file 2 Provides a platform-specific method to enable Secure Boot Custom Mode setup. 3 4 Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 #include <Library/PcdLib.h> 15 16 /** 17 18 This function provides a platform-specific method to detect whether the platform 19 is operating by a physically present user. 20 21 Programmatic changing of platform security policy (such as disable Secure Boot, 22 or switch between Standard/Custom Secure Boot mode) MUST NOT be possible during 23 Boot Services or after exiting EFI Boot Services. Only a physically present user 24 is allowed to perform these operations. 25 26 NOTE THAT: This function cannot depend on any EFI Variable Service since they are 27 not available when this function is called in AuthenticateVariable driver. 28 29 @retval TRUE The platform is operated by a physically present user. 30 @retval FALSE The platform is NOT operated by a physically present user. 31 32 **/ 33 BOOLEAN 34 EFIAPI 35 UserPhysicalPresent ( 36 VOID 37 ) 38 { 39 return TRUE; 40 } 41
