From 6fe933fde4b030cfd58732f36daa8873ea661d55 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Mon, 12 Dec 2016 16:33:37 -0500
Subject: improve network address detection

---
 .../Networking/NetworkManager.cs                   | 23 ++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

(limited to 'Emby.Common.Implementations/Networking')

diff --git a/Emby.Common.Implementations/Networking/NetworkManager.cs b/Emby.Common.Implementations/Networking/NetworkManager.cs
index b9100f9db..a4e6d47d4 100644
--- a/Emby.Common.Implementations/Networking/NetworkManager.cs
+++ b/Emby.Common.Implementations/Networking/NetworkManager.cs
@@ -198,6 +198,12 @@ namespace Emby.Common.Implementations.Networking
             return Dns.GetHostAddressesAsync(hostName);
         }
 
+        private readonly List<NetworkInterfaceType> _validNetworkInterfaceTypes = new List<NetworkInterfaceType>
+        {
+            NetworkInterfaceType.Ethernet,
+            NetworkInterfaceType.Wireless80211
+        };
+
         private List<IPAddress> GetIPsDefault()
         {
             NetworkInterface[] interfaces;
@@ -223,9 +229,22 @@ namespace Emby.Common.Implementations.Networking
                 {
                     Logger.Debug("Querying interface: {0}. Type: {1}. Status: {2}", network.Name, network.NetworkInterfaceType, network.OperationalStatus);
 
-                    var properties = network.GetIPProperties();
+                    var ipProperties = network.GetIPProperties();
+
+                    // Try to exclude virtual adapters
+                    // http://stackoverflow.com/questions/8089685/c-sharp-finding-my-machines-local-ip-address-and-not-the-vms
+                    var addr = ipProperties.GatewayAddresses.FirstOrDefault();
+                    if (addr == null|| string.Equals(addr.Address.ToString(), "0.0.0.0", StringComparison.OrdinalIgnoreCase))
+                    {
+                        return new List<IPAddress>();
+                    }
+
+                    //if (!_validNetworkInterfaceTypes.Contains(network.NetworkInterfaceType))
+                    //{
+                    //    return new List<IPAddress>();
+                    //}
 
-                    return properties.UnicastAddresses
+                    return ipProperties.UnicastAddresses
                         .Where(i => i.IsDnsEligible)
                         .Select(i => i.Address)
                         .Where(i => i.AddressFamily == AddressFamily.InterNetwork)
-- 
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