config files, macOS support

client/os.go

@@ -20,8 +20,6 @@ func setupInterface() {
 	config := water.Config{DeviceType: water.TUN}
 	if runtime.GOOS == "linux" {
 		config.Name = "baalvpn"
-	} else {
-		panic("TODO")
 	}
 
 	var err error
@@ -41,6 +39,9 @@ func setupInterface() {
 		if err := exec.Command("ifconfig", iface.Name(), "inet6", internalIP.String(), internalIP.String(), "prefixlen", "128", "up").Run(); err != nil {
 			panic(err)
 		}
+		if err := exec.Command("route", "-n", "add", "-inet6", "fd00:baa1::/32", "-interface", iface.Name()).Run(); err != nil {
+			panic(err)
+		}
 	}
 }