feat: Implement encryption for more text header fields

cmd/stbak/cmd/archive.go

@@ -429,6 +429,21 @@ func encryptHeader(
 		return err
 	}
 
+	hdr.Linkname, err = encryptString(hdr.Linkname, encryptionFormat, pubkey)
+	if err != nil {
+		return err
+	}
+
+	hdr.Uname, err = encryptString(hdr.Uname, encryptionFormat, pubkey)
+	if err != nil {
+		return err
+	}
+
+	hdr.Gname, err = encryptString(hdr.Gname, encryptionFormat, pubkey)
+	if err != nil {
+		return err
+	}
+
 	return nil
 }
 

cmd/stbak/cmd/recovery_fetch.go

@@ -244,6 +244,21 @@ func decryptHeader(
 		return err
 	}
 
+	hdr.Linkname, err = decryptString(hdr.Linkname, encryptionFormat, privkey)
+	if err != nil {
+		return err
+	}
+
+	hdr.Uname, err = decryptString(hdr.Uname, encryptionFormat, privkey)
+	if err != nil {
+		return err
+	}
+
+	hdr.Gname, err = decryptString(hdr.Gname, encryptionFormat, privkey)
+	if err != nil {
+		return err
+	}
+
 	return nil
 }
 

pkg/pax/stfs.go

@@ -3,21 +3,23 @@ package pax
 import "errors"
 
 const (
-	STFSRecordVersion  = "STFS.Version"
+	STFSPrefix = "STFS."
+
+	STFSRecordVersion  = STFSPrefix + "Version"
 	STFSRecordVersion1 = "1"
 
-	STFSRecordAction       = "STFS.Action"
+	STFSRecordAction       = STFSPrefix + "Action"
 	STFSRecordActionCreate = "CREATE"
 	STFSRecordActionDelete = "DELETE"
 	STFSRecordActionUpdate = "UPDATE"
 
-	STFSRecordReplacesContent      = "STFS.ReplacesContent"
+	STFSRecordReplacesContent      = STFSPrefix + "ReplacesContent"
 	STFSRecordReplacesContentTrue  = "true"
 	STFSRecordReplacesContentFalse = "false"
 
-	STFSRecordReplacesName = "STFS.ReplacesName"
+	STFSRecordReplacesName = STFSPrefix + "ReplacesName"
 
-	STFSRecordUncompressedSize = "STFS.UncompressedSize"
+	STFSRecordUncompressedSize = STFSPrefix + "UncompressedSize"
 )
 
 var (