From cf4e64f4309a40ff50607d418970bc2767a275bb Mon Sep 17 00:00:00 2001
From: Xu Fasheng <fasheng.xu@gmail.com>
Date: Thu, 21 Feb 2019 22:35:31 +0800
Subject: Add option to toggle if ignore virtual interfaces

Some VPN like ZerotierOne owns IP address but no gateway, and there is no
good idea in NetworkManager.GetIPsDefault() to filter such virtual interfaces,
so just provide one option to let user decide it.
---
 Emby.Server.Implementations/Networking/NetworkManager.cs | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

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

diff --git a/Emby.Server.Implementations/Networking/NetworkManager.cs b/Emby.Server.Implementations/Networking/NetworkManager.cs
index 60cc9b88e..b7a125f20 100644
--- a/Emby.Server.Implementations/Networking/NetworkManager.cs
+++ b/Emby.Server.Implementations/Networking/NetworkManager.cs
@@ -79,13 +79,13 @@ namespace Emby.Server.Implementations.Networking
         private IpAddressInfo[] _localIpAddresses;
         private readonly object _localIpAddressSyncLock = new object();
 
-        public IpAddressInfo[] GetLocalIpAddresses()
+        public IpAddressInfo[] GetLocalIpAddresses(bool ignoreVirtualInterface = true)
         {
             lock (_localIpAddressSyncLock)
             {
                 if (_localIpAddresses == null)
                 {
-                    var addresses = GetLocalIpAddressesInternal().Result.Select(ToIpAddressInfo).ToArray();
+                    var addresses = GetLocalIpAddressesInternal(ignoreVirtualInterface).Result.Select(ToIpAddressInfo).ToArray();
 
                     _localIpAddresses = addresses;
 
@@ -95,9 +95,9 @@ namespace Emby.Server.Implementations.Networking
             }
         }
 
-        private async Task<List<IPAddress>> GetLocalIpAddressesInternal()
+        private async Task<List<IPAddress>> GetLocalIpAddressesInternal(bool ignoreVirtualInterface)
         {
-            var list = GetIPsDefault()
+            var list = GetIPsDefault(ignoreVirtualInterface)
                 .ToList();
 
             if (list.Count == 0)
@@ -383,7 +383,7 @@ namespace Emby.Server.Implementations.Networking
             return Dns.GetHostAddressesAsync(hostName);
         }
 
-        private List<IPAddress> GetIPsDefault()
+        private List<IPAddress> GetIPsDefault(bool ignoreVirtualInterface)
         {
             NetworkInterface[] interfaces;
 
@@ -414,7 +414,7 @@ namespace Emby.Server.Implementations.Networking
                     // 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))
+                    if (addr == null || (ignoreVirtualInterface && string.Equals(addr.Address.ToString(), "0.0.0.0", StringComparison.OrdinalIgnoreCase)))
                     {
                         return new List<IPAddress>();
                     }
-- 
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