1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
package fusefrontend
import (
"fmt"
"path"
"strings"
"github.com/rfjakob/gocryptfs/internal/ctlsock"
"github.com/rfjakob/gocryptfs/internal/nametransform"
)
var _ ctlsock.Interface = &FS{} // Verify that interface is implemented.
// EncryptPath implements ctlsock.Backend
func (fs *FS) EncryptPath(plainPath string) (string, error) {
return fs.encryptPath(plainPath)
}
// DecryptPath implements ctlsock.Backend
func (fs *FS) DecryptPath(cipherPath string) (string, error) {
if fs.args.PlaintextNames || cipherPath == "" {
return cipherPath, nil
}
plainPath := ""
parts := strings.Split(cipherPath, "/")
wd := fs.args.Cipherdir
for _, part := range parts {
dirIV, err := nametransform.ReadDirIV(wd)
if err != nil {
fmt.Printf("ReadDirIV: %v\n", err)
return "", err
}
longPart := part
if nametransform.IsLongContent(part) {
longPart, err = nametransform.ReadLongName(wd + "/" + part)
if err != nil {
fmt.Printf("ReadLongName: %v\n", err)
return "", err
}
}
name, err := fs.nameTransform.DecryptName(longPart, dirIV)
if err != nil {
fmt.Printf("DecryptName: %v\n", err)
return "", err
}
plainPath = path.Join(plainPath, name)
wd = path.Join(wd, part)
}
return plainPath, nil
}
|
