support for http and tls header sniffing

app/proxyman/inbound/worker.go

@@ -10,6 +10,7 @@ import (
 
 	"v2ray.com/core/app/dispatcher"
 	"v2ray.com/core/app/log"
+	"v2ray.com/core/app/proxyman"
 	"v2ray.com/core/common/buf"
 	v2net "v2ray.com/core/common/net"
 	"v2ray.com/core/proxy"
@@ -33,6 +34,7 @@ type tcpWorker struct {
 	recvOrigDest bool
 	tag          string
 	dispatcher   dispatcher.Interface
+	sniffers     []proxyman.KnownProtocols
 
 	ctx    context.Context
 	cancel context.CancelFunc
@@ -55,6 +57,9 @@ func (w *tcpWorker) callback(conn internet.Connection) {
 	}
 	ctx = proxy.ContextWithInboundEntryPoint(ctx, v2net.TCPDestination(w.address, w.port))
 	ctx = proxy.ContextWithSource(ctx, v2net.DestinationFromAddr(conn.RemoteAddr()))
+	if len(w.sniffers) > 0 {
+		ctx = proxyman.ContextWithProtocolSniffers(ctx, w.sniffers)
+	}
 	if err := w.proxy.Process(ctx, v2net.Network_TCP, conn, w.dispatcher); err != nil {
 		log.Trace(newError("connection ends").Base(err))
 	}