Simplified xplatform spec

src/uapi.go

@@ -124,16 +124,12 @@ func ipcSetOperation(device *Device, socket *bufio.ReadWriter) *IPCError {
 			switch key {
 			case "private_key":
 				var sk NoisePrivateKey
-				if value == "" {
-					device.SetPrivateKey(sk)
-				} else {
 				err := sk.FromHex(value)
 				if err != nil {
 					logError.Println("Failed to set private_key:", err)
 					return &IPCError{Code: ipcErrorInvalid}
 				}
 				device.SetPrivateKey(sk)
-				}
 
 			case "listen_port":
 				port, err := strconv.ParseUint(value, 10, 16)
@@ -161,15 +157,11 @@ func ipcSetOperation(device *Device, socket *bufio.ReadWriter) *IPCError {
 				// TODO: Clear source address of all peers
 
 			case "fwmark":
-				var fwmark uint64 = 0
-				if value != "" {
-					var err error
-					fwmark, err = strconv.ParseUint(value, 10, 32)
+				fwmark, err := strconv.ParseUint(value, 10, 32)
 				if err != nil {
 					logError.Println("Invalid fwmark", err)
 					return &IPCError{Code: ipcErrorInvalid}
 				}
-				}
 
 				device.net.mutex.Lock()
 				if fwmark > 0 || device.net.fwmark > 0 {