hardcoresushi/libgocryptfs
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v2api: implement ctlsocksrv.Interface

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This commit is contained in:
Jakob Unterwurzacher 2020-07-17 22:14:40 +02:00
parent 57d572dbc1
commit 7eae35e2d3
1 changed files with 10 additions and 10 deletions
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20
internal/fusefrontend/ctlsock_interface.go
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@ -13,17 +13,17 @@ import (
"github.com/rfjakob/gocryptfs/internal/tlog" "github.com/rfjakob/gocryptfs/internal/tlog"
) )
var _ ctlsocksrv.Interface = &FS{} // Verify that interface is implemented. var _ ctlsocksrv.Interface = &RootNode{} // Verify that interface is implemented.
// EncryptPath implements ctlsock.Backend // EncryptPath implements ctlsock.Backend
// //
// Symlink-safe through openBackingDir(). // Symlink-safe through openBackingDir().
func (fs *FS) EncryptPath(plainPath string) (string, error) { func (rn *RootNode) EncryptPath(plainPath string) (string, error) {
if plainPath == "" { if plainPath == "" {
// Empty string gets encrypted as empty string // Empty string gets encrypted as empty string
return plainPath, nil return plainPath, nil
} }
if fs.args.PlaintextNames { if rn.args.PlaintextNames {
return plainPath, nil return plainPath, nil
} }
// Encrypt path level by level using openBackingDir. Pretty inefficient, // Encrypt path level by level using openBackingDir. Pretty inefficient,
@ -33,7 +33,7 @@ func (fs *FS) EncryptPath(plainPath string) (string, error) {
cPath := "" cPath := ""
for _, part := range parts { for _, part := range parts {
wd = filepath.Join(wd, part) wd = filepath.Join(wd, part)
dirfd, cName, err := fs.openBackingDir(wd) dirfd, cName, err := rn.openBackingDir(wd)
if err != nil { if err != nil {
return "", err return "", err
} }
@ -48,20 +48,20 @@ func (fs *FS) EncryptPath(plainPath string) (string, error) {
// //
// DecryptPath is symlink-safe because openBackingDir() and decryptPathAt() // DecryptPath is symlink-safe because openBackingDir() and decryptPathAt()
// are symlink-safe. // are symlink-safe.
func (fs *FS) DecryptPath(cipherPath string) (plainPath string, err error) { func (rn *RootNode) DecryptPath(cipherPath string) (plainPath string, err error) {
dirfd, _, err := fs.openBackingDir("") dirfd, _, err := rn.openBackingDir("")
if err != nil { if err != nil {
return "", err return "", err
} }
defer syscall.Close(dirfd) defer syscall.Close(dirfd)
return fs.decryptPathAt(dirfd, cipherPath) return rn.decryptPathAt(dirfd, cipherPath)
} }
// decryptPathAt decrypts a ciphertext path relative to dirfd. // decryptPathAt decrypts a ciphertext path relative to dirfd.
// //
// Symlink-safe through ReadDirIVAt() and ReadLongNameAt(). // Symlink-safe through ReadDirIVAt() and ReadLongNameAt().
func (fs *FS) decryptPathAt(dirfd int, cipherPath string) (plainPath string, err error) { func (rn *RootNode) decryptPathAt(dirfd int, cipherPath string) (plainPath string, err error) {
if fs.args.PlaintextNames || cipherPath == "" { if rn.args.PlaintextNames || cipherPath == "" {
return cipherPath, nil return cipherPath, nil
} }
parts := strings.Split(cipherPath, "/") parts := strings.Split(cipherPath, "/")
@ -80,7 +80,7 @@ func (fs *FS) decryptPathAt(dirfd int, cipherPath string) (plainPath string, err
return "", err return "", err
} }
} }
name, err := fs.nameTransform.DecryptName(longPart, dirIV) name, err := rn.nameTransform.DecryptName(longPart, dirIV)
if err != nil { if err != nil {
fmt.Printf("DecryptName: %v\n", err) fmt.Printf("DecryptName: %v\n", err)
return "", err return "", err