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-rw-r--r--internal/nametransform/names.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/internal/nametransform/names.go b/internal/nametransform/names.go
index 94fa453..65e6f06 100644
--- a/internal/nametransform/names.go
+++ b/internal/nametransform/names.go
@@ -65,6 +65,10 @@ func (n *NameTransform) DecryptName(cipherName string, iv []byte) (string, error
if bytes.Contains(bin, []byte{0}) || bytes.Contains(bin, []byte("/")) {
return "", syscall.EBADMSG
}
+ // The name should never be "." or "..".
+ if bytes.Equal(bin, []byte(".")) || bytes.Equal(bin, []byte("..")) {
+ return "", syscall.EBADMSG
+ }
plain := string(bin)
return plain, err
}