修复屏蔽协议引发的udp不通问题

go-gost/main.go

@@ -120,7 +120,7 @@ func main() {
 	log := xlogger.NewLogger()
 	logger.SetDefault(log)
 
-	wsReporter := socket.StartWebSocketReporterWithConfig(config.Addr, config.Secret, "1.2.1")
+	wsReporter := socket.StartWebSocketReporterWithConfig(config.Addr, config.Secret, "1.2.2")
 	defer wsReporter.Stop()
 	service.SetHTTPReportURL(config.Addr, config.Secret)
 

go-gost/x/chain/router.go

@@ -60,7 +60,7 @@ func (r *Router) Dial(ctx context.Context, network, address string) (conn net.Co
 	}
 
 	if network == "udp" || network == "udp4" || network == "udp6" {
-		if _, ok := conn.(net.PacketConn); !ok {
+		if _, ok := conn.(net.PacketConn); !ok && conn.RemoteAddr().Network() != "udp" {
 			return &packetConn{conn}, nil
 		}
 	}

go-gost/x/handler/forward/local/handler.go

@@ -101,7 +101,7 @@ func (h *forwardHandler) Handle(ctx context.Context, conn net.Conn, opts ...hand
 	}
 
 	network := "tcp"
-	if _, ok := conn.(net.PacketConn); ok {
+	if conn.RemoteAddr().Network() == "udp" {
 		network = "udp"
 	}
 	ro.Network = network

go-gost/x/handler/forward/remote/handler.go

@@ -112,7 +112,7 @@ func (h *forwardHandler) Handle(ctx context.Context, conn net.Conn, opts ...hand
 	log.Infof("%s <> %s", conn.RemoteAddr(), conn.LocalAddr())
 
 	network := "tcp"
-	if _, ok := conn.(net.PacketConn); ok {
+	if conn.RemoteAddr().Network() == "udp" {
 		network = "udp"
 	}
 	ro.Network = network

go-gost/x/service/service.go

@@ -460,7 +460,7 @@ func (c *detectConn) Read(b []byte) (int, error) {
 
 func detectProtocol(data []byte, conn net.Conn) (blocked bool) {
 	// 如果是 UDP，则不检测，直接放行
-	if _, ok := conn.(*net.UDPConn); ok {
+	if conn.RemoteAddr().Network() == "udp" || conn.RemoteAddr().Network() == "udp4" || conn.RemoteAddr().Network() == "udp6" {
 		return false
 	}