From 19f70f5f56d2bcb743cad4bb4df943f223dd967f Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Fri, 31 May 2019 15:04:52 +0200
Subject: tunnel: make tcp/ip waiting explicit

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 tunnel/ifaceconfig.go | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'tunnel/ifaceconfig.go')

diff --git a/tunnel/ifaceconfig.go b/tunnel/ifaceconfig.go
index 1ad076fa..3954441b 100644
--- a/tunnel/ifaceconfig.go
+++ b/tunnel/ifaceconfig.go
@@ -10,6 +10,7 @@ import (
 	"log"
 	"net"
 	"sort"
+	"time"
 
 	"golang.org/x/sys/windows"
 	"golang.zx2c4.com/wireguard/tun"
@@ -221,3 +222,21 @@ func enableFirewall(conf *conf.Config, tun *tun.NativeTun) error {
 	}
 	return firewall.EnableFirewall(tun.LUID(), conf.Interface.DNS, restrictAll)
 }
+
+func waitForFamilies(tun *tun.NativeTun) {
+	//TODO: This whole thing is a disgusting hack that shouldn't be neccessary.
+
+	f := func(luid winipcfg.LUID, family winipcfg.AddressFamily, maxRetries int) {
+		for i := 0; i < maxRetries; i++ {
+			_, err := luid.IPInterface(family)
+			if i != maxRetries-1 && err == windows.ERROR_NOT_FOUND {
+				time.Sleep(time.Millisecond * 50)
+				continue
+			}
+			break
+		}
+	}
+	luid := winipcfg.LUID(tun.LUID())
+	f(luid, windows.AF_INET, 100)
+	f(luid, windows.AF_INET6, 3)
+}
\ No newline at end of file
-- 
cgit v1.2.3-59-g8ed1b