Add VLESS server, vision flow and reality TLS

transport/vless/vision_utls.go

@@ -0,0 +1,22 @@
+//go:build with_utls
+
+package vless
+
+import (
+	"net"
+	"reflect"
+	"unsafe"
+
+	"github.com/sagernet/sing/common"
+	utls "github.com/sagernet/utls"
+)
+
+func init() {
+	tlsRegistry = append(tlsRegistry, func(conn net.Conn) (loaded bool, netConn net.Conn, reflectType reflect.Type, reflectPointer uintptr) {
+		tlsConn, loaded := common.Cast[*utls.UConn](conn)
+		if !loaded {
+			return
+		}
+		return true, tlsConn.NetConn(), reflect.TypeOf(tlsConn.Conn).Elem(), uintptr(unsafe.Pointer(tlsConn.Conn))
+	})
+}