AUTH-2694 added destination header support to config file

cmd/cloudflared/access/carrier.go

@@ -37,6 +37,10 @@ func StartForwarder(forwarder config.Forwarder, shutdown <-chan struct{}, logger
 		headers.Set(h2mux.CFAccessClientSecretHeader, forwarder.TokenSecret)
 	}
 
+	if forwarder.Destination != "" {
+		headers.Add(h2mux.CFJumpDestinationHeader, forwarder.Destination)
+	}
+
 	options := &carrier.StartOptions{
 		OriginURL: forwarder.URL,
 		Headers:   headers, //TODO: TUN-2688 support custom headers from config file

cmd/cloudflared/config/model.go

@@ -13,6 +13,7 @@ type Forwarder struct {
 	Listener      string `json:"listener"`
 	TokenClientID string `json:"service_token_id" yaml:"serviceTokenID"`
 	TokenSecret   string `json:"secret_token_id" yaml:"serviceTokenSecret"`
+	Destination   string `json:"destination"`
 }
 
 // Tunnel represents a tunnel that should be started
@@ -50,6 +51,7 @@ func (f *Forwarder) Hash() string {
 	io.WriteString(h, f.Listener)
 	io.WriteString(h, f.TokenClientID)
 	io.WriteString(h, f.TokenSecret)
+	io.WriteString(h, f.Destination)
 	return fmt.Sprintf("%x", h.Sum(nil))
 }