Update the default return value of UserPhysicalPresent to TRUE.
[mirror_edk2.git] / SecurityPkg / Library / PlatformSecureLibNull / PlatformSecureLibNull.c
1 /** @file
2 Provides a secure platform-specific method to detect physically present user.
3
4 Copyright (c) 2011 - 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
15 /**
16
17 This function provides a platform-specific method to detect whether the platform
18 is operating by a physically present user.
19
20 Programmatic changing of platform security policy (such as disable Secure Boot,
21 or switch between Standard/Custom Secure Boot mode) MUST NOT be possible during
22 Boot Services or after exiting EFI Boot Services. Only a physically present user
23 is allowed to perform these operations.
24
25 NOTE THAT: This function cannot depend on any EFI Variable Service since they are
26 not available when this function is called in AuthenticateVariable driver.
27
28 @retval TRUE The platform is operated by a physically present user.
29 @retval FALSE The platform is NOT operated by a physically present user.
30
31 **/
32 BOOLEAN
33 EFIAPI
34 UserPhysicalPresent (
35 VOID
36 )
37 {
38 return TRUE;
39 }