diff options
Diffstat (limited to 'SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h')
| -rw-r--r-- | SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h | 127 |
1 files changed, 118 insertions, 9 deletions
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h b/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h index c0497afe5e..8591001f8b 100644 --- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h +++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h @@ -2,7 +2,7 @@ The internal header file includes the common header files, defines
internal structure and functions used by Variable modules.
-Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -22,6 +22,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #include <Protocol/FirmwareVolumeBlock.h>
#include <Protocol/Variable.h>
#include <Protocol/VariableLock.h>
+#include <Protocol/VarCheck.h>
#include <Library/PcdLib.h>
#include <Library/HobLib.h>
#include <Library/UefiDriverEntryPoint.h>
@@ -52,15 +53,13 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | \
EFI_VARIABLE_APPEND_WRITE)
+#define VARIABLE_ATTRIBUTE_NV_BS (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS)
#define VARIABLE_ATTRIBUTE_BS_RT (EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS)
#define VARIABLE_ATTRIBUTE_NV_BS_RT (VARIABLE_ATTRIBUTE_BS_RT | EFI_VARIABLE_NON_VOLATILE)
#define VARIABLE_ATTRIBUTE_NV_BS_RT_AT (VARIABLE_ATTRIBUTE_NV_BS_RT | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS)
-
-typedef struct {
- CHAR16 *Name;
- UINT32 Attributes;
-} GLOBAL_VARIABLE_ENTRY;
-
+#define VARIABLE_ATTRIBUTE_NV_BS_RT_HR (VARIABLE_ATTRIBUTE_NV_BS_RT | EFI_VARIABLE_HARDWARE_ERROR_RECORD)
+#define VARIABLE_ATTRIBUTE_NV_BS_RT_AW (VARIABLE_ATTRIBUTE_NV_BS_RT | EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS)
+
///
/// The size of a 3 character ISO639 language code.
///
@@ -115,9 +114,9 @@ typedef struct { } VARIABLE_ENTRY_CONSISTENCY;
typedef struct {
- EFI_GUID Guid;
- CHAR16 *Name;
LIST_ENTRY Link;
+ EFI_GUID Guid;
+ //CHAR16 *Name;
} VARIABLE_ENTRY;
/**
@@ -669,6 +668,116 @@ VariableLockRequestToLock ( IN EFI_GUID *VendorGuid
);
+/**
+ Check if a Unicode character is a hexadecimal character.
+
+ This function checks if a Unicode character is a
+ hexadecimal character. The valid hexadecimal character is
+ L'0' to L'9', L'a' to L'f', or L'A' to L'F'.
+
+
+ @param Char The character to check against.
+
+ @retval TRUE If the Char is a hexadecmial character.
+ @retval FALSE If the Char is not a hexadecmial character.
+
+**/
+BOOLEAN
+EFIAPI
+IsHexaDecimalDigitCharacter (
+ IN CHAR16 Char
+ );
+
+/**
+ Internal SetVariable check.
+
+ @param[in] VariableName Name of Variable to set.
+ @param[in] VendorGuid Variable vendor GUID.
+ @param[in] Attributes Attribute value of the variable.
+ @param[in] DataSize Size of Data to set.
+ @param[in] Data Data pointer.
+
+ @retval EFI_SUCCESS The SetVariable check result was success.
+ @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID were supplied,
+ or the DataSize exceeds the minimum or maximum allowed,
+ or the Data value is not following UEFI spec for UEFI defined variables.
+ @retval EFI_WRITE_PROTECTED The variable in question is read-only.
+ @retval Others The return status from check handler.
+
+**/
+EFI_STATUS
+EFIAPI
+InternalVarCheckSetVariableCheck (
+ IN CHAR16 *VariableName,
+ IN EFI_GUID *VendorGuid,
+ IN UINT32 Attributes,
+ IN UINTN DataSize,
+ IN VOID *Data
+ );
+
+/**
+ Register SetVariable check handler.
+
+ @param[in] Handler Pointer to check handler.
+
+ @retval EFI_SUCCESS The SetVariable check handler was registered successfully.
+ @retval EFI_INVALID_PARAMETER Handler is NULL.
+ @retval EFI_ACCESS_DENIED EFI_END_OF_DXE_EVENT_GROUP_GUID or EFI_EVENT_GROUP_READY_TO_BOOT has
+ already been signaled.
+ @retval EFI_OUT_OF_RESOURCES There is not enough resource for the SetVariable check handler register request.
+ @retval EFI_UNSUPPORTED This interface is not implemented.
+ For example, it is unsupported in VarCheck protocol if both VarCheck and SmmVarCheck protocols are present.
+
+**/
+EFI_STATUS
+EFIAPI
+VarCheckRegisterSetVariableCheckHandler (
+ IN VAR_CHECK_SET_VARIABLE_CHECK_HANDLER Handler
+ );
+
+/**
+ Variable property set.
+
+ @param[in] Name Pointer to the variable name.
+ @param[in] Guid Pointer to the vendor GUID.
+ @param[in] VariableProperty Pointer to the input variable property.
+
+ @retval EFI_SUCCESS The property of variable specified by the Name and Guid was set successfully.
+ @retval EFI_INVALID_PARAMETER Name, Guid or VariableProperty is NULL, or Name is an empty string,
+ or the fields of VariableProperty are not valid.
+ @retval EFI_ACCESS_DENIED EFI_END_OF_DXE_EVENT_GROUP_GUID or EFI_EVENT_GROUP_READY_TO_BOOT has
+ already been signaled.
+ @retval EFI_OUT_OF_RESOURCES There is not enough resource for the variable property set request.
+
+**/
+EFI_STATUS
+EFIAPI
+VarCheckVariablePropertySet (
+ IN CHAR16 *Name,
+ IN EFI_GUID *Guid,
+ IN VAR_CHECK_VARIABLE_PROPERTY *VariableProperty
+ );
+
+/**
+ Variable property get.
+
+ @param[in] Name Pointer to the variable name.
+ @param[in] Guid Pointer to the vendor GUID.
+ @param[out] VariableProperty Pointer to the output variable property.
+
+ @retval EFI_SUCCESS The property of variable specified by the Name and Guid was got successfully.
+ @retval EFI_INVALID_PARAMETER Name, Guid or VariableProperty is NULL, or Name is an empty string.
+ @retval EFI_NOT_FOUND The property of variable specified by the Name and Guid was not found.
+
+**/
+EFI_STATUS
+EFIAPI
+VarCheckVariablePropertyGet (
+ IN CHAR16 *Name,
+ IN EFI_GUID *Guid,
+ OUT VAR_CHECK_VARIABLE_PROPERTY *VariableProperty
+ );
+
extern VARIABLE_MODULE_GLOBAL *mVariableModuleGlobal;
#endif
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