squashfslow

package

v1.0.0 Latest Latest Go to latest Published: Dec 28, 2023 License: MIT Imports: 14 Imported by: 0

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Repository

github.com/CalebQ42/squashfs

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Open Source Insights

README ¶

Lower-Level Squashfs

This library is a lower level version of the main squashfs library that doesn't try to be easy to use and exposes a lot of information that is not necesary for must use cases.

Documentation ¶

Index ¶

Constants
Variables
type Directory
- func (d *Directory) Open(r *Reader, path string) (*FileBase, error)
type FileBase
type Reader
- func NewReader(r io.ReaderAt) (rdr *Reader, err error)

Constants ¶

View Source

const (
	ZlibCompression = uint16(iota + 1)
	LZMACompression
	LZOCompression
	XZCompression
	LZ4Compression
	ZSTDCompression
)

The types of compression supported by squashfs

Variables ¶

View Source

var (
	ErrorMagic         = errors.New("magic incorrect. probably not reading squashfs archive or archive is corrupted")
	ErrorLog           = errors.New("block log is incorrect. possible corrupted archive")
	ErrorVersion       = errors.New("squashfs version of archive is not 4.0. may be corrupted")
	ErrorNotExportable = errors.New("archive does not have an export table")
)

Functions ¶

This section is empty.

Types ¶

type Directory ¶

type Directory struct {
	FileBase
	Entries []directory.Entry
}

func (*Directory) Open ¶

func (d *Directory) Open(r *Reader, path string) (*FileBase, error)

type FileBase ¶

type FileBase struct {
	Inode *inode.Inode
	Name  string
}

func (*FileBase) GetFullReader ¶

func (b *FileBase) GetFullReader(r *Reader) (*data.FullReader, error)

func (*FileBase) GetReader ¶

func (b *FileBase) GetReader(r *Reader) (*data.Reader, error)

func (*FileBase) GetRegFileReaders ¶

func (b *FileBase) GetRegFileReaders(r *Reader) (*data.Reader, *data.FullReader, error)

func (*FileBase) Gid ¶

func (b *FileBase) Gid(r *Reader) (uint32, error)

func (*FileBase) IsDir ¶

func (b *FileBase) IsDir() bool

func (*FileBase) IsRegular ¶

func (b *FileBase) IsRegular() bool

func (*FileBase) ToDir ¶

func (b *FileBase) ToDir(r *Reader) (*Directory, error)

func (*FileBase) Uid ¶

func (b *FileBase) Uid(r *Reader) (uint32, error)

type Reader ¶

type Reader struct {
	Root *Directory

	Superblock superblock
	// contains filtered or unexported fields
}

func NewReader ¶

func NewReader(r io.ReaderAt) (rdr *Reader, err error)

func (*Reader) BaseFromEntry ¶

func (r *Reader) BaseFromEntry(e directory.Entry) (*FileBase, error)

func (*Reader) BaseFromInode ¶

func (r *Reader) BaseFromInode(i *inode.Inode, name string) *FileBase

func (*Reader) BaseFromRef ¶

func (r *Reader) BaseFromRef(ref uint64, name string) (*FileBase, error)

func (*Reader) Id ¶

func (r *Reader) Id(i uint16) (uint32, error)

Get a uid/gid at the given index. Lazily populates the reader's Id table as necessary.

func (*Reader) Inode ¶

func (r *Reader) Inode(i uint32) (*inode.Inode, error)

func (*Reader) InodeFromEntry ¶

func (r *Reader) InodeFromEntry(e directory.Entry) (*inode.Inode, error)

func (*Reader) InodeFromRef ¶

func (r *Reader) InodeFromRef(ref uint64) (*inode.Inode, error)

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
data
directory
inode

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