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NE Alpha 43

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add visual validation of Intel Boot Guard coverage
This commit is contained in:
Alex Matrosov 2017-10-11 22:59:23 -07:00
parent fc579533e8
commit 68df5a64a3
28 changed files with 1591 additions and 284 deletions
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33
common/nvram.h
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@ -106,18 +106,28 @@ typedef struct VSS_VARIABLE_STORE_HEADER_ {
typedef struct VSS_VARIABLE_HEADER_ {
UINT16 StartId; // Variable start marker AA55
UINT8 State; // Variable state
UINT8 : 8;
UINT8 Reserved;
UINT32 Attributes; // Variable attributes
UINT32 NameSize; // Size of variable name, stored as null-terminated UCS2 string
UINT32 DataSize; // Size of variable data without header and name
EFI_GUID VendorGuid; // Variable vendor GUID
} VSS_VARIABLE_HEADER;
// Intel variable header
typedef struct VSS_INTEL_VARIABLE_HEADER_ {
UINT16 StartId; // Variable start marker AA55
UINT8 State; // Variable state
UINT8 Reserved;
UINT32 Attributes; // Variable attributes
UINT32 TotalSize; // Size of variable including header
EFI_GUID VendorGuid; // Variable vendor GUID
} VSS_INTEL_VARIABLE_HEADER;
// Apple variation of normal variable header, with one new field
typedef struct VSS_APPLE_VARIABLE_HEADER_ {
UINT16 StartId; // Variable start marker AA55
UINT8 State; // Variable state
UINT8 : 8;
UINT8 Reserved;
UINT32 Attributes; // Variable attributes
UINT32 NameSize; // Size of variable name, stored as null-terminated UCS2 string
UINT32 DataSize; // Size of variable data without header and name
@ -129,7 +139,7 @@ typedef struct VSS_APPLE_VARIABLE_HEADER_ {
typedef struct VSS_AUTH_VARIABLE_HEADER_ {
UINT16 StartId; // Variable start marker AA55
UINT8 State; // Variable state
UINT8 : 8;
UINT8 Reserved;
UINT32 Attributes; // Variable attributes
UINT64 MonotonicCounter; // Monotonic counter against replay attack
EFI_TIME Timestamp; // Time stamp against replay attack
@ -144,7 +154,8 @@ typedef struct VSS_AUTH_VARIABLE_HEADER_ {
#define NVRAM_VSS_VARIABLE_DELETED 0xfd // Variable is obsolete
#define NVRAM_VSS_VARIABLE_HEADER_VALID 0x7f // Variable has valid header
#define NVRAM_VSS_VARIABLE_ADDED 0x3f // Variable has been completely added
#define NVRAM_VSS_IS_VARIABLE_STATE(_c, _Mask) (BOOLEAN) (((~_c) & (~_Mask)) != 0)
#define NVRAM_VSS_INTEL_VARIABLE_VALID 0xfc // Intel special variable valid
#define NVRAM_VSS_INTEL_VARIABLE_INVALID 0xf8 // Intel special variable invalid
// VSS variable attributes
#define NVRAM_VSS_VARIABLE_NON_VOLATILE 0x00000001
@ -175,11 +186,11 @@ const UByteArray LENOVO_VSS_STORE_GUID
// Variable store header
typedef struct LENOVO_VSS_VARIABLE_STORE_HEADER_ {
EFI_GUID Signature;
UINT32 Size; // Size of variable store, including store header
UINT8 Format; // Store format state
UINT8 State; // Store health state
UINT16 Unknown;
UINT32 : 32;
UINT32 Size; // Size of variable store, including store header
UINT8 Format; // Store format state
UINT8 State; // Store health state
UINT16 Unknown;
UINT32 : 32;
} LENOVO_VSS_VARIABLE_STORE_HEADER;
// VSS entries are 4-bytes aligned in Lenovo stores
@ -212,7 +223,7 @@ const UByteArray EDKII_WORKING_BLOCK_SIGNATURE_GUID
const UByteArray LENOVO_WORKING_BLOCK_SIGNATURE_GUID
("\x2B\x29\x58\x9E\x68\x7C\x7D\x49\xA0\xCE\x65\x00\xFD\x9F\x1B\x95", 16);
#define NVRAM_MAIN_STORE_VOLUME_GUID_DATA1 0xFFF12B8D
#define NVRAM_MAIN_STORE_VOLUME_GUID_DATA1 0xFFF12B8D
#define EDKII_WORKING_BLOCK_SIGNATURE_GUID_DATA1 0x9E58292B
typedef struct EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER32_ {
@ -328,7 +339,7 @@ extern UString evsaAttributesToUString(const UINT32 attributes);
// Phoenix SCT Flash Map
//
#define NVRAM_PHOENIX_FLASH_MAP_SIGNATURE_PART1 0x414C465F
#define NVRAM_PHOENIX_FLASH_MAP_SIGNATURE_PART1 0x414C465F
#define NVRAM_PHOENIX_FLASH_MAP_SIGNATURE_LENGTH 10
// _FLASH_MAP