Feature: add xtls support for VLESS

transport/vless/xtls.go

@@ -0,0 +1,25 @@
+package vless
+
+import (
+	"net"
+
+	xtls "github.com/xtls/go"
+)
+
+type XTLSConfig struct {
+	Host           string
+	SkipCertVerify bool
+	NextProtos     []string
+}
+
+func StreamXTLSConn(conn net.Conn, cfg *XTLSConfig) (net.Conn, error) {
+	xtlsConfig := &xtls.Config{
+		ServerName:         cfg.Host,
+		InsecureSkipVerify: cfg.SkipCertVerify,
+		NextProtos:         cfg.NextProtos,
+	}
+
+	xtlsConn := xtls.Client(conn, xtlsConfig)
+	err := xtlsConn.Handshake()
+	return xtlsConn, err
+}