From 287dd25964300022c2cd14021e836e090119b626 Mon Sep 17 00:00:00 2001
From: ginuerzh <ginuerzh@gmail.com>
Date: Thu, 12 May 2022 18:41:40 +0800
Subject: [PATCH] fix tun route option

---
 listener/tun/metadata.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/listener/tun/metadata.go b/listener/tun/metadata.go
index 055128a..0754aae 100644
--- a/listener/tun/metadata.go
+++ b/listener/tun/metadata.go
@@ -23,6 +23,7 @@ func (l *tunListener) parseMetadata(md mdata.Metadata) (err error) {
 		netKey  = "net"
 		peer    = "peer"
 		mtu     = "mtu"
+		route   = "route"
 		routes  = "routes"
 		gateway = "gw"
 	)
@@ -40,6 +41,18 @@ func (l *tunListener) parseMetadata(md mdata.Metadata) (err error) {
 
 	gw := net.ParseIP(config.Gateway)
 
+	for _, s := range strings.Split(mdx.GetString(md, route), ",") {
+		var route tun_util.Route
+		_, ipNet, _ := net.ParseCIDR(strings.TrimSpace(s))
+		if ipNet == nil {
+			continue
+		}
+		route.Net = *ipNet
+		route.Gateway = gw
+
+		config.Routes = append(config.Routes, route)
+	}
+
 	for _, s := range mdx.GetStrings(md, routes) {
 		ss := strings.SplitN(s, " ", 2)
 		if len(ss) == 2 {