mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-28 12:25:19 +01:00
72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
/** @file
|
|
Implements NULL authenticated variable services.
|
|
|
|
Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include <Library/AuthVariableLib.h>
|
|
#include <Library/DebugLib.h>
|
|
|
|
/**
|
|
Initialization for authenticated varibale services.
|
|
If this initialization returns error status, other APIs will not work
|
|
and expect to be not called then.
|
|
|
|
@param[in] AuthVarLibContextIn Pointer to input auth variable lib context.
|
|
@param[out] AuthVarLibContextOut Pointer to output auth variable lib context.
|
|
|
|
@retval EFI_SUCCESS Function successfully executed.
|
|
@retval EFI_INVALID_PARAMETER If AuthVarLibContextIn == NULL or AuthVarLibContextOut == NULL.
|
|
@retval EFI_OUT_OF_RESOURCES Fail to allocate enough resource.
|
|
@retval EFI_UNSUPPORTED Unsupported to process authenticated variable.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
AuthVariableLibInitialize (
|
|
IN AUTH_VAR_LIB_CONTEXT_IN *AuthVarLibContextIn,
|
|
OUT AUTH_VAR_LIB_CONTEXT_OUT *AuthVarLibContextOut
|
|
)
|
|
{
|
|
//
|
|
// Do nothing, just return EFI_UNSUPPORTED.
|
|
//
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
/**
|
|
Process variable with EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS set.
|
|
|
|
@param[in] VariableName Name of the variable.
|
|
@param[in] VendorGuid Variable vendor GUID.
|
|
@param[in] Data Data pointer.
|
|
@param[in] DataSize Size of Data.
|
|
@param[in] Attributes Attribute value of the variable.
|
|
|
|
@retval EFI_SUCCESS The firmware has successfully stored the variable and its data as
|
|
defined by the Attributes.
|
|
@retval EFI_INVALID_PARAMETER Invalid parameter.
|
|
@retval EFI_WRITE_PROTECTED Variable is write-protected.
|
|
@retval EFI_OUT_OF_RESOURCES There is not enough resource.
|
|
@retval EFI_SECURITY_VIOLATION The variable is with EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS
|
|
set, but the AuthInfo does NOT pass the validation
|
|
check carried out by the firmware.
|
|
@retval EFI_UNSUPPORTED Unsupported to process authenticated variable.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
AuthVariableLibProcessVariable (
|
|
IN CHAR16 *VariableName,
|
|
IN EFI_GUID *VendorGuid,
|
|
IN VOID *Data,
|
|
IN UINTN DataSize,
|
|
IN UINT32 Attributes
|
|
)
|
|
{
|
|
ASSERT (FALSE);
|
|
return EFI_UNSUPPORTED;
|
|
}
|