From f8d4611d15b18bf505de9ca82d74f5102fc57024 Mon Sep 17 00:00:00 2001
From: Adam Ierymenko <adam.ierymenko@zerotier.com>
Date: Tue, 12 Aug 2014 17:20:34 -0700
Subject: (1) Tweak LAN locator beacon frequencies, (2) Windows virtual
 networks now show up as *real* networks and prompt the user to set their
 location and firewall status (public, private, home/work, etc.).

The hack used to achieve #2 should not be examined by children or those
suffering from epilepsy or heart conditions.
---
 osnet/WindowsRoutingTable.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'osnet/WindowsRoutingTable.cpp')

diff --git a/osnet/WindowsRoutingTable.cpp b/osnet/WindowsRoutingTable.cpp
index aa215fb0..eef03ae6 100644
--- a/osnet/WindowsRoutingTable.cpp
+++ b/osnet/WindowsRoutingTable.cpp
@@ -151,7 +151,9 @@ RoutingTable::Entry WindowsRoutingTable::set(const InetAddress &destination,cons
 		_copyInetAddressToSockaddrInet(gateway,nr.NextHop);
 		nr.Metric = metric;
 		nr.Protocol = MIB_IPPROTO_NETMGMT;
-		CreateIpForwardEntry2(&nr);
+		DWORD result = CreateIpForwardEntry2(&nr);
+		if (result != NO_ERROR)
+			return RoutingTable::Entry();
 	}
 
 	std::vector<RoutingTable::Entry> rtab(get(true,true));
-- 
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