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
UserPhysicalPresent(VOID)35 UserPhysicalPresent (
36 VOID
37 )
38 {
39 return TRUE;
40 }
41