feat(lan): use sockmap instead of sk_lookup for tproxy socket (#8)

cmd/run.go

@@ -26,6 +26,9 @@ var (
 				logrus.Fatalln("Argument \"--config\" or \"-c\" is required but not provided.")
 			}
 
+			// Require "sudo" if necessary.
+			internal.AutoSu()
+
 			// Read config from --config cfgFile.
 			param, err := readConfig(cfgFile)
 			if err != nil {
@@ -48,9 +51,6 @@ func init() {
 
 func Run(log *logrus.Logger, param *config.Params) (err error) {
 
-	// Require "sudo" if necessary.
-	internal.AutoSu()
-
 	// Resolve subscriptions to nodes.
 	nodeList := make([]string, len(param.Node))
 	copy(nodeList, param.Node)