parser

package
v0.0.0-...-5cba970 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: May 11, 2025 License: Apache-2.0 Imports: 10 Imported by: 1

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Index

Constants

View Source 
const (
	VHDXFileSignature = "vhdxfile"
	HeaderSignature   = "head"
	RegionSignature   = "regi"
	MetadataSignature = "metadata"

	// Represents a GUID of 2DC27766-F623-4200-9D64-115E9BFD4A08
	BAT_GUID = "\x66\x77\xc2\x2d\x23\xf6\x00\x42\x9d\x64\x11\x5e\x9b\xfd\x4a\x08"

	// Represents a GUID of 8B7CA206-4790-4B9A-B8FE-575F050F886E
	Metadata_GUID = "\x06\xa2\x7c\x8b\x90\x47\x9a\x4b\xb8\xfe\x57\x5f\x05\x0f\x88\x6e"

	PAYLOAD_BLOCK_NOT_PRESENT       = 0
	PAYLOAD_BLOCK_UNDEFINED         = 1
	PAYLOAD_BLOCK_ZERO              = 2
	PAYLOAD_BLOCK_UNMAPPED          = 3
	PAYLOAD_BLOCK_FULLY_PRESENT     = 6
	PAYLOAD_BLOCK_PARTIALLY_PRESENT = 7

	// CAA16737-FA36-4D43-B3B6-33F0AA44E76B
	MetadataFileParameters = "\x37\x67\xa1\xca\x36\xfa\x43\x4d\xb3\xb6\x33\xf0\xaa\x44\xe7\x6b"

	// 2FA54224-CD1B-4876-B211-5DBED83BF4B8
	MetadataVirtualDiskSize = "\x24\x42\xa5\x2f\x1b\xcd\x76\x48\xb2\x11\x5d\xbe\xd8\x3b\xf4\xb8"

	// 8141BF1D-A96F-4709-BA47-F233A8FAAB5F
	MetadataLogicalSectorSize = "\x1d\xbf\x41\x81\x6f\xa9\x09\x47\xba\x47\xf2\x33\xa8\xfa\xab\x5f"

	// CDA348C7-445D-4471-9CC9-E9885251C556
	MetadataPhysicalSectorSize = "\xc7\x48\xa3\xcd\x5d\x44\x71\x44\x9c\xc9\xe9\x88\x52\x51\xc5\x56"

	// BECA12AB-B2E6-4523-93EF-C309E000C746
	MetadataVirtualDiskId = "\xab\x12\xca\xbe\xe6\xb2\x23\x45\x93\xef\xc3\x09\xe0\x00\xc7\x46"
)

Variables

This section is empty.

Functions

func ParseArray_byte 

func ParseArray_byte(profile *VHDXProfile, reader io.ReaderAt, offset int64, count int) []byte

func ParseString 

func ParseString(reader io.ReaderAt, offset int64, length int64) string

func ParseTerminatedString 

func ParseTerminatedString(reader io.ReaderAt, offset int64) string

func ParseTerminatedUTF16String 

func ParseTerminatedUTF16String(reader io.ReaderAt, offset int64) string

func ParseUTF16String 

func ParseUTF16String(reader io.ReaderAt, offset int64, length int64) string

func ParseUint16 

func ParseUint16(reader io.ReaderAt, offset int64) uint16

func ParseUint32 

func ParseUint32(reader io.ReaderAt, offset int64) uint32

func ParseUint64 

func ParseUint64(reader io.ReaderAt, offset int64) uint64

func ParseUint8 

func ParseUint8(reader io.ReaderAt, offset int64) byte

func SetDebug 

func SetDebug()

func UTF16BytesToUTF8 

func UTF16BytesToUTF8(b []byte, o binary.ByteOrder) string

Types

type BATEntry 

type BATEntry struct {
	Reader  io.ReaderAt
	Offset  int64
	Profile *VHDXProfile
}

func ParseArray_BATEntry 

func ParseArray_BATEntry(profile *VHDXProfile, reader io.ReaderAt, offset int64, count int) []*BATEntry

func (*BATEntry) DebugString 

func (self *BATEntry) DebugString() string

func (*BATEntry) FileOffsetMB 

func (self *BATEntry) FileOffsetMB() uint64

func (*BATEntry) Size 

func (self *BATEntry) Size() int

func (*BATEntry) State 

func (self *BATEntry) State() uint64

type Bat 

type Bat struct {
	StartOffset, EntrySize uint64
	TotalNumberOfEntries   uint64

	EntriesPerChunk uint64
	// contains filtered or unexported fields
}

func (*Bat) DebugString 

func (self *Bat) DebugString() string

func (*Bat) GetFileOffset 

func (self *Bat) GetFileOffset(block int) uint64

type BatRange 

type BatRange struct {
	FileOffset uint64
}

type BatReader 

type BatReader struct {
	BlockSize       uint64
	EntriesPerChunk uint64
	Size            uint64
	Reader          io.ReaderAt
	// contains filtered or unexported fields
}

func (*BatReader) ReadAt 

func (self *BatReader) ReadAt(buff []byte, off int64) (int, error)

type FileParameters 

type FileParameters struct {
	Reader  io.ReaderAt
	Offset  int64
	Profile *VHDXProfile
}

func (*FileParameters) BlockSize 

func (self *FileParameters) BlockSize() uint32

func (*FileParameters) DebugString 

func (self *FileParameters) DebugString() string

func (*FileParameters) HasParent 

func (self *FileParameters) HasParent() uint64

func (*FileParameters) Size 

func (self *FileParameters) Size() int

type FileType 

type FileType struct {
	Reader  io.ReaderAt
	Offset  int64
	Profile *VHDXProfile
}

func (*FileType) Creator 

func (self *FileType) Creator() string

func (*FileType) DebugString 

func (self *FileType) DebugString() string

func (*FileType) Header1 

func (self *FileType) Header1() *Header

func (*FileType) Header2 

func (self *FileType) Header2() *Header

func (*FileType) Region1 

func (self *FileType) Region1() *Region

func (*FileType) Region2 

func (self *FileType) Region2() *Region

func (*FileType) Signature 

func (self *FileType) Signature() string

func (*FileType) Size 

func (self *FileType) Size() int

type GUID 

type GUID struct {
	Reader  io.ReaderAt
	Offset  int64
	Profile *VHDXProfile
}

func (GUID) AsString 

func (self GUID) AsString() string

func (*GUID) Data1 

func (self *GUID) Data1() uint32

func (*GUID) Data2 

func (self *GUID) Data2() uint16

func (*GUID) Data3 

func (self *GUID) Data3() uint16

func (*GUID) Data4 

func (self *GUID) Data4() []byte

func (*GUID) DebugString 

func (self *GUID) DebugString() string

func (*GUID) Size 

func (self *GUID) Size() int
type Header struct {
	Reader  io.ReaderAt
	Offset  int64
	Profile *VHDXProfile
}

func (*Header) DebugString 

func (self *Header) DebugString() string

func (*Header) SequenceNumber 

func (self *Header) SequenceNumber() uint64

func (*Header) Signature 

func (self *Header) Signature() string

func (*Header) Size 

func (self *Header) Size() int

type Metadata 

type Metadata struct {
	Reader  io.ReaderAt
	Offset  int64
	Profile *VHDXProfile
}

func (*Metadata) DebugString 

func (self *Metadata) DebugString() string

func (*Metadata) Entries 

func (self *Metadata) Entries() []*MetadataEntry

func (*Metadata) EntryCount 

func (self *Metadata) EntryCount() uint16

func (*Metadata) ParseMetadata 

func (self *Metadata) ParseMetadata() *VHDXMetadata

func (*Metadata) Signature 

func (self *Metadata) Signature() string

func (*Metadata) Size 

func (self *Metadata) Size() int

type MetadataEntry 

type MetadataEntry struct {
	Reader  io.ReaderAt
	Offset  int64
	Profile *VHDXProfile
}

func ParseArray_MetadataEntry 

func ParseArray_MetadataEntry(profile *VHDXProfile, reader io.ReaderAt, offset int64, count int) []*MetadataEntry

func (*MetadataEntry) DebugString 

func (self *MetadataEntry) DebugString() string

func (*MetadataEntry) GUID 

func (self *MetadataEntry) GUID() string

func (*MetadataEntry) Length 

func (self *MetadataEntry) Length() uint32

func (*MetadataEntry) MetadataOffset 

func (self *MetadataEntry) MetadataOffset() uint32

func (*MetadataEntry) Size 

func (self *MetadataEntry) Size() int

type Misc 

type Misc struct {
	Reader  io.ReaderAt
	Offset  int64
	Profile *VHDXProfile
}

func (*Misc) Bats 

func (self *Misc) Bats() []*BATEntry

func (*Misc) DebugString 

func (self *Misc) DebugString() string

func (*Misc) Regions 

func (self *Misc) Regions() []*RegionEntry

func (*Misc) Size 

func (self *Misc) Size() int

type Region 

type Region struct {
	Reader  io.ReaderAt
	Offset  int64
	Profile *VHDXProfile
}

func (*Region) DebugString 

func (self *Region) DebugString() string

func (*Region) EntryCount 

func (self *Region) EntryCount() uint32

func (*Region) Signature 

func (self *Region) Signature() string

func (*Region) Size 

func (self *Region) Size() int

type RegionEntry 

type RegionEntry struct {
	Reader  io.ReaderAt
	Offset  int64
	Profile *VHDXProfile
}

func ParseArray_RegionEntry 

func ParseArray_RegionEntry(profile *VHDXProfile, reader io.ReaderAt, offset int64, count int) []*RegionEntry

func (*RegionEntry) DebugString 

func (self *RegionEntry) DebugString() string

func (*RegionEntry) FileOffset 

func (self *RegionEntry) FileOffset() uint64

func (*RegionEntry) GUID 

func (self *RegionEntry) GUID() string

func (*RegionEntry) IsRequired 

func (self *RegionEntry) IsRequired() uint32

func (*RegionEntry) Length 

func (self *RegionEntry) Length() uint32

func (*RegionEntry) Size 

func (self *RegionEntry) Size() int

type VHDXFile 

type VHDXFile struct {
	Metadata *VHDXMetadata
	// contains filtered or unexported fields
}

func NewVHDXFile 

func NewVHDXFile(reader io.ReaderAt) (*VHDXFile, error)

func (*VHDXFile) DebugString 

func (self *VHDXFile) DebugString() string

func (*VHDXFile) ReadAt 

func (self *VHDXFile) ReadAt(buff []byte, off int64) (int, error)

func (*VHDXFile) Validate 

func (self *VHDXFile) Validate() error

type VHDXMetadata 

type VHDXMetadata struct {
	BlockSize          uint64
	HasParent          bool
	VirtualDiskSize    uint64
	LogicalSectorSize  uint64
	PhysicalSectorSize uint32
	VirtualDiskId      string
}

type VHDXProfile 

type VHDXProfile struct {
	Off_BATEntry_State               int64
	Off_BATEntry_FileOffsetMB        int64
	Off_FileParameters_BlockSize     int64
	Off_FileParameters_HasParent     int64
	Off_FileType_Signature           int64
	Off_FileType_Creator             int64
	Off_FileType_Header1             int64
	Off_FileType_Header2             int64
	Off_FileType_Region1             int64
	Off_FileType_Region2             int64
	Off_GUID_Data1                   int64
	Off_GUID_Data2                   int64
	Off_GUID_Data3                   int64
	Off_GUID_Data4                   int64
	Off_Header_Signature             int64
	Off_Header_SequenceNumber        int64
	Off_Metadata_Signature           int64
	Off_Metadata_EntryCount          int64
	Off_Metadata_Entries             int64
	Off_MetadataEntry_GUID           int64
	Off_MetadataEntry_MetadataOffset int64
	Off_MetadataEntry_Length         int64
	Off_Misc_Regions                 int64
	Off_Misc_Bats                    int64
	Off_Region_Signature             int64
	Off_Region_EntryCount            int64
	Off_RegionEntry_GUID             int64
	Off_RegionEntry_FileOffset       int64
	Off_RegionEntry_Length           int64
	Off_RegionEntry_IsRequired       int64
}

func NewVHDXProfile 

func NewVHDXProfile() *VHDXProfile

func (*VHDXProfile) BATEntry 

func (self *VHDXProfile) BATEntry(reader io.ReaderAt, offset int64) *BATEntry

func (*VHDXProfile) FileParameters 

func (self *VHDXProfile) FileParameters(reader io.ReaderAt, offset int64) *FileParameters

func (*VHDXProfile) FileType 

func (self *VHDXProfile) FileType(reader io.ReaderAt, offset int64) *FileType

func (*VHDXProfile) GUID 

func (self *VHDXProfile) GUID(reader io.ReaderAt, offset int64) *GUID

func (*VHDXProfile) Header 

func (self *VHDXProfile) Header(reader io.ReaderAt, offset int64) *Header

func (*VHDXProfile) Metadata 

func (self *VHDXProfile) Metadata(reader io.ReaderAt, offset int64) *Metadata

func (*VHDXProfile) MetadataEntry 

func (self *VHDXProfile) MetadataEntry(reader io.ReaderAt, offset int64) *MetadataEntry

func (*VHDXProfile) Misc 

func (self *VHDXProfile) Misc(reader io.ReaderAt, offset int64) *Misc

func (*VHDXProfile) Region 

func (self *VHDXProfile) Region(reader io.ReaderAt, offset int64) *Region

func (*VHDXProfile) RegionEntry 

func (self *VHDXProfile) RegionEntry(reader io.ReaderAt, offset int64) *RegionEntry

Source Files

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