From 4cacf550a3416046ff3f6b2b2e5d41b4b3c332b4 Mon Sep 17 00:00:00 2001
From: Roopesh Chander <roop@roopc.net>
Date: Mon, 29 Oct 2018 23:38:34 +0530
Subject: [PATCH] VPN: Specify an error when there are no peers with an
 endpoint

Signed-off-by: Roopesh Chander <roop@roopc.net>
---
 WireGuard/WireGuard/VPN/TunnelsManager.swift | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/WireGuard/WireGuard/VPN/TunnelsManager.swift b/WireGuard/WireGuard/VPN/TunnelsManager.swift
index 1210d7e..6559382 100644
--- a/WireGuard/WireGuard/VPN/TunnelsManager.swift
+++ b/WireGuard/WireGuard/VPN/TunnelsManager.swift
@@ -13,6 +13,7 @@ protocol TunnelsManagerDelegate: class {
 }
 
 enum TunnelsManagerError: Error {
+    case noEndpoint
     case dnsResolutionFailed
     case tunnelOperationFailed
     case attemptingActivationWhenAnotherTunnelIsActive
@@ -262,6 +263,10 @@ class TunnelContainer: NSObject {
         let dnsResolver = DNSResolver(endpoints: endpoints)
         assert(self.dnsResolver == nil)
         if let endpoints = dnsResolver.resolveWithoutNetworkRequests() {
+            guard (endpoints.contains(where: { $0 != nil })) else {
+                completionHandler(TunnelsManagerError.noEndpoint)
+                return
+            }
             self.tunnelProvider.loadFromPreferences { [weak self] (error) in
                 guard let s = self else { return }
                 s.startObservingTunnelStatus()