feat: Support ShadowTLS v2 as Shadowsocks plugin (#330)

transport/trojan/trojan.go

@@ -8,18 +8,17 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	tlsC "github.com/Dreamacro/clash/component/tls"
 	"io"
 	"net"
 	"net/http"
 	"sync"
 
 	"github.com/Dreamacro/clash/common/pool"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/socks5"
 	"github.com/Dreamacro/clash/transport/vless"
 	"github.com/Dreamacro/clash/transport/vmess"
-
 	xtls "github.com/xtls/go"
 )
 
@@ -117,9 +116,6 @@ func (t *Trojan) StreamConn(conn net.Conn) (net.Conn, error) {
 		}
 
 		tlsConn := tls.Client(conn, tlsConfig)
-		if err := tlsConn.Handshake(); err != nil {
-			return nil, err
-		}
 		// fix tls handshake not timeout
 		ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTLSTimeout)
 		defer cancel()