cffuse

package
v0.3.1 Latest Latest
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 Go to latest Published: Feb 21, 2021 License: MIT Imports: 20 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// ConfFile save configurations
	ConfFile = ".cfcryptfs.cfg"
	// KeyFile save encrypted key
	KeyFile = ".cfcryptfs.key"
	// KeyFileTmp is used when changing pwd
	KeyFileTmp = ".cfcryptfs.key.tmp"
)

Variables

View Source 
var ReservedNameMap map[string]bool

ReservedNameMap name -> bool

View Source 
var ReservedNames []string

ReservedNames stores names reserved for filesystem

Functions

func IsNameReserved 

func IsNameReserved(name string) bool

IsNameReserved check name reserved

func WriteOpCount 

func WriteOpCount() uint64

WriteOpCount returns the write lock counter value. This value is encremented each time writeLock.Lock() on a file table entry is called.

Types

type CfcryptFS 

type CfcryptFS struct {
	pathfs.FileSystem // CfcryptFS, see go-fuse/fuse/pathfs/loopback.go
	// contains filtered or unexported fields
}

CfcryptFS implements the go-fuse virtual filesystem interface.

func NewFS 

func NewFS(confs FsConfig, core corecrypter.CoreCrypter) *CfcryptFS

NewFS returns a new encrypted FUSE overlay filesystem.

func (*CfcryptFS) Access 

func (fs *CfcryptFS) Access(name string, mode uint32, context *fuse.Context) (code fuse.Status)

Access fuse implemention

func (*CfcryptFS) Chmod 

func (fs *CfcryptFS) Chmod(path string, mode uint32, context *fuse.Context) (code fuse.Status)

Chmod implements pathfs.Filesystem.

func (*CfcryptFS) Chown 

func (fs *CfcryptFS) Chown(path string, uid uint32, gid uint32, context *fuse.Context) (code fuse.Status)

Chown implements pathfs.Filesystem.

func (*CfcryptFS) Create 

func (fs *CfcryptFS) Create(path string, flags uint32, mode uint32, context *fuse.Context) (fuseFile nodefs.File, code fuse.Status)

Create implements pathfs.Filesystem.

func (*CfcryptFS) GetAttr 

func (fs *CfcryptFS) GetAttr(path string, context *fuse.Context) (*fuse.Attr, fuse.Status)

GetAttr implements pathfs.Filesystem.

func (*CfcryptFS) GetXAttr 

func (fs *CfcryptFS) GetXAttr(name string, attr string, context *fuse.Context) ([]byte, fuse.Status)

GetXAttr fuse implemention 

func (fs *CfcryptFS) Link(orig string, newName string, context *fuse.Context) (code fuse.Status)

Link fuse implemention

func (*CfcryptFS) ListXAttr 

func (fs *CfcryptFS) ListXAttr(name string, context *fuse.Context) ([]string, fuse.Status)

ListXAttr fuse implemention

func (*CfcryptFS) Mkdir 

func (fs *CfcryptFS) Mkdir(path string, mode uint32, context *fuse.Context) (code fuse.Status)

Mkdir fuse implemention

func (*CfcryptFS) Mknod 

func (fs *CfcryptFS) Mknod(name string, mode uint32, dev uint32, context *fuse.Context) (code fuse.Status)

Mknod fuse implemention

func (*CfcryptFS) Open 

func (fs *CfcryptFS) Open(path string, flags uint32, context *fuse.Context) (fuseFile nodefs.File, status fuse.Status)

Open implements pathfs.Filesystem.

func (*CfcryptFS) OpenDir 

func (fs *CfcryptFS) OpenDir(path string, context *fuse.Context) (stream []fuse.DirEntry, status fuse.Status)

OpenDir fuse implemention 

func (fs *CfcryptFS) Readlink(name string, context *fuse.Context) (out string, code fuse.Status)

Readlink fuse implemention

func (*CfcryptFS) RemoveXAttr 

func (fs *CfcryptFS) RemoveXAttr(name string, attr string, context *fuse.Context) fuse.Status

RemoveXAttr fuse implemention

func (*CfcryptFS) Rename 

func (fs *CfcryptFS) Rename(oldPath string, newPath string, context *fuse.Context) (codee fuse.Status)

Rename fuse implemention

func (*CfcryptFS) Rmdir 

func (fs *CfcryptFS) Rmdir(name string, context *fuse.Context) (code fuse.Status)

Rmdir fuse implemention

func (*CfcryptFS) SetXAttr 

func (fs *CfcryptFS) SetXAttr(name string, attr string, data []byte, flags int, context *fuse.Context) fuse.Status

SetXAttr fuse implemention

func (*CfcryptFS) StatFs 

func (fs *CfcryptFS) StatFs(name string) *fuse.StatfsOut

StatFs fuse implemention

func (*CfcryptFS) String 

func (fs *CfcryptFS) String() string
func (fs *CfcryptFS) Symlink(pointedTo string, linkName string, context *fuse.Context) (code fuse.Status)

Symlink fuse implemention

func (*CfcryptFS) Truncate 

func (fs *CfcryptFS) Truncate(path string, offset uint64, context *fuse.Context) (code fuse.Status)

Truncate fuse implemention 

func (fs *CfcryptFS) Unlink(name string, context *fuse.Context) (code fuse.Status)

Unlink fuse implemention Don't use os.Remove, it removes twice (unlink followed by rmdir).

func (*CfcryptFS) Utimens 

func (fs *CfcryptFS) Utimens(path string, a *time.Time, m *time.Time, context *fuse.Context) (code fuse.Status)

Utimens - path based version of loopbackFile.Utimens()

type FsConfig 

type FsConfig struct {
	// CipherDir - encrypted directory path
	CipherDir string
	// CipherType - corecrypter type, do not set when using your own corecrypter
	CryptType int
	// CryptKey - master key for content and name encryption
	CryptKey []byte
	// PlainBS - plaintext block size
	// 	Should be adjusted according to average size of files.
	// 	Also must be suitable for corecrypter
	PlainBS int
	// BakingFileMode - mode of the underling file in the cipher directory. (default: 0600)
	BackingFileMode uint32
	// AllowOther - allow other user to access the filesystem, must run as root user
	AllowOther bool
	// PlainPath - filepath stay plaintext (not encrypted)
	PlainPath bool
}

FsConfig contains configs for fuse filesystem

type QIno 

type QIno struct {
	// Stat_t.{Dev,Ino} is uint64 on 32- and 64-bit Linux
	Dev uint64
	Ino uint64
}

QIno = Qualified Inode number. Uniquely identifies a backing file through the device number, inode number pair.

Source Files

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