From c47c5a9c3db813fa67c96ffbea0c2be0bbed33bf Mon Sep 17 00:00:00 2001
From: Sergey Abramchuk <dev@ss-abramchuk.me>
Date: Wed, 17 Jan 2018 13:59:45 +0300
Subject: [PATCH] Return false if URL is nil

---
 OpenVPN Adapter/OpenVPNClient.mm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/OpenVPN Adapter/OpenVPNClient.mm b/OpenVPN Adapter/OpenVPNClient.mm
index 9e371a2..f33c9bd 100644
--- a/OpenVPN Adapter/OpenVPNClient.mm	
+++ b/OpenVPN Adapter/OpenVPNClient.mm	
@@ -106,7 +106,11 @@ bool OpenVPNClient::tun_builder_add_proxy_bypass(const std::string& bypass_host)
 
 bool OpenVPNClient::tun_builder_set_proxy_auto_config_url(const std::string& url) {
     NSURL *configURL = [[NSURL alloc] initWithString:[NSString stringWithUTF8String:url.c_str()]];
-    return [this->delegate setProxyAutoConfigurationURL:configURL];
+    if (configURL) {
+        return [this->delegate setProxyAutoConfigurationURL:configURL];
+    } else {
+        return false;
+    }
 }
 
 bool OpenVPNClient::tun_builder_set_proxy_http(const std::string& host, int port) {