The internal header file includes the common header files, defines\r
internal structure and functions used by Variable modules.\r
\r
-Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
#include <Protocol/FirmwareVolumeBlock.h>\r
#include <Protocol/Variable.h>\r
#include <Protocol/VariableLock.h>\r
+#include <Protocol/VarCheck.h>\r
#include <Library/PcdLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/UefiDriverEntryPoint.h>\r
#define VARIABLE_ATTRIBUTE_NV_BS_RT (VARIABLE_ATTRIBUTE_BS_RT | EFI_VARIABLE_NON_VOLATILE)\r
#define VARIABLE_ATTRIBUTE_NV_BS_RT_AT (VARIABLE_ATTRIBUTE_NV_BS_RT | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS)\r
\r
-typedef struct {\r
- CHAR16 *Name;\r
- UINT32 Attributes;\r
-} GLOBAL_VARIABLE_ENTRY;\r
-\r
///\r
/// The size of a 3 character ISO639 language code.\r
///\r
} VARIABLE_ENTRY_CONSISTENCY;\r
\r
typedef struct {\r
- EFI_GUID Guid;\r
- CHAR16 *Name;\r
LIST_ENTRY Link;\r
+ EFI_GUID Guid;\r
+ //CHAR16 *Name;\r
} VARIABLE_ENTRY;\r
\r
/**\r
\r
This code Finds the Next available variable.\r
\r
+ Caution: This function may receive untrusted input.\r
+ This function may be invoked in SMM mode. This function will do basic validation, before parse the data.\r
+\r
@param VariableNameSize Size of the variable name.\r
@param VariableName Pointer to variable name.\r
@param VendorGuid Variable Vendor Guid.\r
\r
This code sets variable in storage blocks (Volatile or Non-Volatile).\r
\r
+ Caution: This function may receive untrusted input.\r
+ This function may be invoked in SMM mode, and datasize and data are external input.\r
+ This function will do basic validation, before parse the data.\r
+\r
@param VariableName Name of Variable to be found.\r
@param VendorGuid Variable vendor GUID.\r
@param Attributes Attribute value of the variable found\r
\r
This code returns information about the EFI variables.\r
\r
+ Caution: This function may receive untrusted input.\r
+ This function may be invoked in SMM mode. This function will do basic validation, before parse the data.\r
+\r
@param Attributes Attributes bitmask to specify the type of variables\r
on which to return information.\r
@param MaximumVariableStorageSize Pointer to the maximum size of the storage space available\r
\r
This code returns information about the EFI variables.\r
\r
+ Caution: This function may receive untrusted input.\r
+ This function may be invoked in SMM mode. This function will do basic validation, before parse the data.\r
+\r
@param Attributes Attributes bitmask to specify the type of variables\r
on which to return information.\r
@param MaximumVariableStorageSize Pointer to the maximum size of the storage space available\r
IN EFI_GUID *VendorGuid\r
);\r
\r
+/**\r
+ Check if a Unicode character is a hexadecimal character.\r
+\r
+ This function checks if a Unicode character is a\r
+ hexadecimal character. The valid hexadecimal character is\r
+ L'0' to L'9', L'a' to L'f', or L'A' to L'F'.\r
+\r
+\r
+ @param Char The character to check against.\r
+\r
+ @retval TRUE If the Char is a hexadecmial character.\r
+ @retval FALSE If the Char is not a hexadecmial character.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+IsHexaDecimalDigitCharacter (\r
+ IN CHAR16 Char\r
+ );\r
+\r
+/**\r
+ Internal SetVariable check.\r
+\r
+ @param[in] VariableName Name of Variable to set.\r
+ @param[in] VendorGuid Variable vendor GUID.\r
+ @param[in] Attributes Attribute value of the variable.\r
+ @param[in] DataSize Size of Data to set.\r
+ @param[in] Data Data pointer.\r
+\r
+ @retval EFI_SUCCESS The SetVariable check result was success.\r
+ @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID were supplied,\r
+ or the DataSize exceeds the minimum or maximum allowed,\r
+ or the Data value is not following UEFI spec for UEFI defined variables.\r
+ @retval EFI_WRITE_PROTECTED The variable in question is read-only.\r
+ @retval Others The return status from check handler.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+InternalVarCheckSetVariableCheck (\r
+ IN CHAR16 *VariableName,\r
+ IN EFI_GUID *VendorGuid,\r
+ IN UINT32 Attributes,\r
+ IN UINTN DataSize,\r
+ IN VOID *Data\r
+ );\r
+\r
+/**\r
+ Register SetVariable check handler.\r
+\r
+ @param[in] Handler Pointer to check handler.\r
+\r
+ @retval EFI_SUCCESS The SetVariable check handler was registered successfully.\r
+ @retval EFI_INVALID_PARAMETER Handler is NULL.\r
+ @retval EFI_ACCESS_DENIED EFI_END_OF_DXE_EVENT_GROUP_GUID or EFI_EVENT_GROUP_READY_TO_BOOT has\r
+ already been signaled.\r
+ @retval EFI_OUT_OF_RESOURCES There is not enough resource for the SetVariable check handler register request.\r
+ @retval EFI_UNSUPPORTED This interface is not implemented.\r
+ For example, it is unsupported in VarCheck protocol if both VarCheck and SmmVarCheck protocols are present.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+VarCheckRegisterSetVariableCheckHandler (\r
+ IN VAR_CHECK_SET_VARIABLE_CHECK_HANDLER Handler\r
+ );\r
+\r
+/**\r
+ Variable property set.\r
+\r
+ @param[in] Name Pointer to the variable name.\r
+ @param[in] Guid Pointer to the vendor GUID.\r
+ @param[in] VariableProperty Pointer to the input variable property.\r
+\r
+ @retval EFI_SUCCESS The property of variable specified by the Name and Guid was set successfully.\r
+ @retval EFI_INVALID_PARAMETER Name, Guid or VariableProperty is NULL, or Name is an empty string,\r
+ or the fields of VariableProperty are not valid.\r
+ @retval EFI_ACCESS_DENIED EFI_END_OF_DXE_EVENT_GROUP_GUID or EFI_EVENT_GROUP_READY_TO_BOOT has\r
+ already been signaled.\r
+ @retval EFI_OUT_OF_RESOURCES There is not enough resource for the variable property set request.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+VarCheckVariablePropertySet (\r
+ IN CHAR16 *Name,\r
+ IN EFI_GUID *Guid,\r
+ IN VAR_CHECK_VARIABLE_PROPERTY *VariableProperty\r
+ );\r
+\r
+/**\r
+ Variable property get.\r
+\r
+ @param[in] Name Pointer to the variable name.\r
+ @param[in] Guid Pointer to the vendor GUID.\r
+ @param[out] VariableProperty Pointer to the output variable property.\r
+\r
+ @retval EFI_SUCCESS The property of variable specified by the Name and Guid was got successfully.\r
+ @retval EFI_INVALID_PARAMETER Name, Guid or VariableProperty is NULL, or Name is an empty string.\r
+ @retval EFI_NOT_FOUND The property of variable specified by the Name and Guid was not found.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+VarCheckVariablePropertyGet (\r
+ IN CHAR16 *Name,\r
+ IN EFI_GUID *Guid,\r
+ OUT VAR_CHECK_VARIABLE_PROPERTY *VariableProperty\r
+ );\r
+\r
extern VARIABLE_MODULE_GLOBAL *mVariableModuleGlobal;\r
\r
#endif\r
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