/** @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; | |
} |