chore: shadowsocks listener support the "udp" setting

listener/config/shadowsocks.go

@@ -9,6 +9,7 @@ type ShadowsocksServer struct {
 	Listen   string
 	Password string
 	Cipher   string
+	Udp      bool
 }
 
 func (t ShadowsocksServer) String() string {

listener/inbound/shadowsocks.go

@@ -11,6 +11,7 @@ type ShadowSocksOption struct {
 	BaseOption
 	Password string `inbound:"password"`
 	Cipher   string `inbound:"cipher"`
+	UDP      bool   `inbound:"udp,omitempty"`
 }
 
 func (o ShadowSocksOption) Equal(config C.InboundConfig) bool {
@@ -37,6 +38,7 @@ func NewShadowSocks(options *ShadowSocksOption) (*ShadowSocks, error) {
 			Listen:   base.RawAddress(),
 			Password: options.Password,
 			Cipher:   options.Cipher,
+			Udp:      options.UDP,
 		},
 	}, nil
 }

listener/listener.go

@@ -271,6 +271,7 @@ func ReCreateShadowSocks(shadowSocksConfig string, tcpIn chan<- C.ConnContext, u
 			Listen:   addr,
 			Password: password,
 			Cipher:   cipher,
+			Udp:      true,
 		}
 	}
 

listener/parse.go

@@ -73,7 +73,7 @@ func ParseListener(mapping map[string]any) (C.InboundListener, error) {
 		}
 		listener, err = IN.NewTun(tunOption)
 	case "shadowsocks":
-		shadowsocksOption := &IN.ShadowSocksOption{}
+		shadowsocksOption := &IN.ShadowSocksOption{UDP: true}
 		err = decoder.Decode(mapping, shadowsocksOption)
 		if err != nil {
 			return nil, err

listener/shadowsocks/tcp.go

@@ -33,12 +33,14 @@ func New(config LC.ShadowsocksServer, tcpIn chan<- C.ConnContext, udpIn chan<- C
 	for _, addr := range strings.Split(config.Listen, ",") {
 		addr := addr
 
+		if config.Udp {
 			//UDP
 			ul, err := NewUDP(addr, pickCipher, udpIn)
 			if err != nil {
 				return nil, err
 			}
 			sl.udpListeners = append(sl.udpListeners, ul)
+		}
 
 		//TCP
 		l, err := inbound.Listen("tcp", addr)

listener/sing_shadowsocks/server.go

@@ -76,6 +76,7 @@ func New(config LC.ShadowsocksServer, tcpIn chan<- C.ConnContext, udpIn chan<- C
 	for _, addr := range strings.Split(config.Listen, ",") {
 		addr := addr
 
+		if config.Udp {
 			//UDP
 			ul, err := net.ListenPacket("udp", addr)
 			if err != nil {
@@ -107,6 +108,7 @@ func New(config LC.ShadowsocksServer, tcpIn chan<- C.ConnContext, udpIn chan<- C
 					})
 				}
 			}()
+		}
 
 		//TCP
 		l, err := inbound.Listen("tcp", addr)