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@ -7,6 +7,7 @@ using System.Net.NetworkInformation;
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using System.Net.Sockets;
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using System.Threading.Tasks;
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Model.Configuration;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Logging;
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@ -19,8 +20,6 @@ namespace Jellyfin.Networking.Manager
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/// </summary>
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public class NetworkManager : INetworkManager, IDisposable
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{
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private static NetworkManager? _instance;
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/// <summary>
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/// Contains the description of the interface along with its index.
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/// </summary>
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@ -48,7 +47,7 @@ namespace Jellyfin.Networking.Manager
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/// <summary>
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/// Holds the bind address overrides.
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/// </summary>
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private readonly Dictionary<IPNetAddress, string> _overrideUrls;
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private readonly Dictionary<IPNetAddress, string> _publishedServerUrls;
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/// <summary>
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/// Used to stop "event-racing conditions".
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@ -105,7 +104,7 @@ namespace Jellyfin.Networking.Manager
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_interfaceAddresses = new NetCollection(unique: false);
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_macAddresses = new List<PhysicalAddress>();
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_interfaceNames = new SortedList<string, int>();
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_overrideUrls = new Dictionary<IPNetAddress, string>();
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_publishedServerUrls = new Dictionary<IPNetAddress, string>();
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UpdateSettings((ServerConfiguration)_configurationManager.CommonConfiguration);
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if (!IsIP6Enabled && !IsIP4Enabled)
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@ -117,8 +116,6 @@ namespace Jellyfin.Networking.Manager
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NetworkChange.NetworkAvailabilityChanged += OnNetworkAvailabilityChanged;
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_configurationManager.ConfigurationUpdated += ConfigurationUpdated;
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Instance = this;
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}
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#pragma warning restore CS8618 // Non-nullable field is uninitialized.
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@ -127,19 +124,6 @@ namespace Jellyfin.Networking.Manager
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/// </summary>
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public event EventHandler? NetworkChanged;
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/// <summary>
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/// Gets the singleton of this object.
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/// </summary>
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public static NetworkManager Instance
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{
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get => GetInstance();
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internal set
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{
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_instance = value;
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}
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}
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/// <summary>
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/// Gets the unique network location signature, which is updated on every network change.
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/// </summary>
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@ -176,7 +160,7 @@ namespace Jellyfin.Networking.Manager
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/// <summary>
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/// Gets the Published server override list.
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/// </summary>
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public Dictionary<IPNetAddress, string> PublishedServerOverrides => _overrideUrls;
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public Dictionary<IPNetAddress, string> PublishedServerUrls => _publishedServerUrls;
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/// <inheritdoc/>
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public void Dispose()
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@ -198,9 +182,12 @@ namespace Jellyfin.Networking.Manager
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/// <inheritdoc/>
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public bool IsGatewayInterface(object? addressObj)
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{
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var address = (addressObj is IPAddress addressIP) ?
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addressIP : (addressObj is IPObject addressIPObj) ?
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addressIPObj.Address : IPAddress.None;
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var address = addressObj switch
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{
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IPAddress addressIp => addressIp,
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IPObject addressIpObj => addressIpObj.Address,
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_ => IPAddress.None
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};
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lock (_intLock)
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{
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@ -320,243 +307,127 @@ namespace Jellyfin.Networking.Manager
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}
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/// <inheritdoc/>
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public string GetBindInterface(object? source, out int? port)
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public string GetBindInterface(string source, out int? port)
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{
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bool chromeCast = false;
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port = null;
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// Parse the source object in an attempt to discover where the request originated.
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IPObject sourceAddr;
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if (source is HttpRequest sourceReq)
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if (!string.IsNullOrEmpty(source))
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{
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port = sourceReq.Host.Port;
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if (IPHost.TryParse(sourceReq.Host.Host, out IPHost host))
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if (string.Equals(source, "chromecast", StringComparison.OrdinalIgnoreCase))
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{
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sourceAddr = host;
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}
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else
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{
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// Assume it's external, as we cannot resolve the host.
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sourceAddr = IPHost.None;
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}
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}
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else if (source is string sourceStr && !string.IsNullOrEmpty(sourceStr))
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{
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if (string.Equals(sourceStr, "chromecast", StringComparison.OrdinalIgnoreCase))
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{
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chromeCast = true;
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// Just assign a variable so has source = true;
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sourceAddr = IPNetAddress.IP4Loopback;
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return GetBindInterface(IPNetAddress.IP4Loopback, out port);
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}
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if (IPHost.TryParse(sourceStr, out IPHost host))
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if (IPHost.TryParse(source, out IPHost host))
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{
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sourceAddr = host;
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}
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else
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{
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// Assume it's external, as we cannot resolve the host.
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sourceAddr = IPHost.None;
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return GetBindInterface(host, out port);
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}
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}
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else if (source is IPAddress sourceIP)
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return GetBindInterface(IPHost.None, out port);
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}
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/// <inheritdoc/>
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public string GetBindInterface(IPAddress source, out int? port)
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{
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return GetBindInterface(new IPNetAddress(source), out port);
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}
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/// <inheritdoc/>
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public string GetBindInterface(HttpRequest source, out int? port)
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{
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string result;
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if (source != null && IPHost.TryParse(source.Host.Host, out IPHost host))
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{
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sourceAddr = new IPNetAddress(sourceIP);
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result = GetBindInterface(host, out port);
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port ??= source.Host.Port;
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}
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else
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{
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// If we have no idea, then assume it came from an external address.
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sourceAddr = IPHost.None;
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result = GetBindInterface(IPNetAddress.None, out port);
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port ??= source?.Host.Port;
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}
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return result;
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}
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/// <inheritdoc/>
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public string GetBindInterface(IPObject source, out int? port)
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{
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port = null;
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bool isChromeCast = source == IPNetAddress.IP4Loopback;
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// Do we have a source?
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bool haveSource = !sourceAddr.Address.Equals(IPAddress.None);
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bool haveSource = !source.Address.Equals(IPAddress.None);
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bool isExternal = false;
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if (haveSource)
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{
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if (!IsIP6Enabled && sourceAddr.AddressFamily == AddressFamily.InterNetworkV6)
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if (!IsIP6Enabled && source.AddressFamily == AddressFamily.InterNetworkV6)
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{
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_logger.LogWarning("IPv6 is disabled in JellyFin, but enabled in the OS. This may affect how the interface is selected.");
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}
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if (!IsIP4Enabled && sourceAddr.AddressFamily == AddressFamily.InterNetwork)
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if (!IsIP4Enabled && source.AddressFamily == AddressFamily.InterNetwork)
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{
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_logger.LogWarning("IPv4 is disabled in JellyFin, but enabled in the OS. This may affect how the interface is selected.");
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}
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}
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bool isExternal = haveSource && !IsInLocalNetwork(sourceAddr);
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isExternal = !IsInLocalNetwork(source);
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string bindPreference = string.Empty;
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if (haveSource)
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{
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// Check for user override.
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foreach (var addr in _overrideUrls)
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if (MatchesPublishedServerUrl(source, isExternal, isChromeCast, out string result, out port))
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{
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// Remaining. Match anything.
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if (addr.Key.Equals(IPAddress.Broadcast))
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{
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bindPreference = addr.Value;
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break;
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}
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else if ((addr.Key.Equals(IPAddress.Any) || addr.Key.Equals(IPAddress.IPv6Any)) && (isExternal || chromeCast))
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{
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// External.
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bindPreference = addr.Value;
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break;
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}
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else if (addr.Key.Contains(sourceAddr))
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{
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// Match ip address.
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bindPreference = addr.Value;
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break;
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}
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_logger.LogInformation("{0}: Using BindAddress {1}:{2}", source, result, port);
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return result;
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}
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}
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_logger.LogDebug("GetBindInterface: Souce: {0}, External: {1}:", haveSource, isExternal);
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if (!string.IsNullOrEmpty(bindPreference))
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{
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// Has it got a port defined?
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var parts = bindPreference.Split(':');
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if (parts.Length > 1)
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{
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if (int.TryParse(parts[1], out int p))
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{
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bindPreference = parts[0];
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port = p;
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}
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}
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_logger.LogInformation("{0}: Using BindAddress {1}:{2}", sourceAddr, bindPreference, port);
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return bindPreference;
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}
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string ipresult;
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// No preference given, so move on to bind addresses.
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lock (_intLock)
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{
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var nc = _bindAddresses.Exclude(_bindExclusions).Where(p => !p.IsLoopback());
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int count = nc.Count();
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if (count == 1 && (_bindAddresses[0].Equals(IPAddress.Any) || _bindAddresses.Equals(IPAddress.IPv6Any)))
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{
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// Ignore IPAny addresses.
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count = 0;
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}
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if (count != 0)
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if (MatchesBindInterface(source, isExternal, out string result))
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{
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// Check to see if any of the bind interfaces are in the same subnet.
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IEnumerable<IPObject> bindResult;
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IPAddress? defaultGateway = null;
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if (isExternal)
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{
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// Find all external bind addresses. Store the default gateway, but check to see if there is a better match first.
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bindResult = nc.Where(p => !IsInLocalNetwork(p)).OrderBy(p => p.Tag);
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defaultGateway = bindResult.FirstOrDefault()?.Address;
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bindResult = bindResult.Where(p => p.Contains(sourceAddr)).OrderBy(p => p.Tag);
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}
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else
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{
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// Look for the best internal address.
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bindResult = nc.Where(p => IsInLocalNetwork(p) && p.Contains(sourceAddr)).OrderBy(p => p.Tag);
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}
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if (bindResult.Any())
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{
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ipresult = FormatIP6String(bindResult.First().Address);
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_logger.LogDebug("{0}: GetBindInterface: Has source, found a match bind interface subnets. {1}", sourceAddr, ipresult);
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return ipresult;
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}
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if (isExternal && defaultGateway != null)
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{
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ipresult = FormatIP6String(defaultGateway);
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_logger.LogDebug("{0}: GetBindInterface: Using first user defined external interface. {1}", sourceAddr, ipresult);
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return ipresult;
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}
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ipresult = FormatIP6String(nc.First().Address);
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_logger.LogDebug("{0}: GetBindInterface: Selected first user defined interface. {1}", sourceAddr, ipresult);
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if (isExternal)
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{
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// TODO: remove this after testing.
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_logger.LogWarning("{0}: External request received, however, only an internal interface bind found.", sourceAddr);
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}
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return ipresult;
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return result;
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}
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if (isExternal)
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if (isExternal && MatchesExternalInterface(source, out result))
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{
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// Get the first WAN interface address that isn't a loopback.
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var extResult = _interfaceAddresses
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.Exclude(_bindExclusions)
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.Where(p => !IsInLocalNetwork(p))
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.OrderBy(p => p.Tag);
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if (extResult.Any())
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{
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// Does the request originate in one of the interface subnets?
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// (For systems with multiple internal network cards, and multiple subnets)
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foreach (var intf in extResult)
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{
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if (!IsInLocalNetwork(intf) && intf.Contains(sourceAddr))
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{
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ipresult = FormatIP6String(intf.Address);
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_logger.LogDebug("{0}: GetBindInterface: Selected best external on interface on range. {1}", sourceAddr, ipresult);
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return ipresult;
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}
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}
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ipresult = FormatIP6String(extResult.First().Address);
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_logger.LogDebug("{0}: GetBindInterface: Selected first external interface. {0}", sourceAddr, ipresult);
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|
|
|
|
return ipresult;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Have to return something, so return an internal address
|
|
|
|
|
|
|
|
|
|
// TODO: remove this after testing.
|
|
|
|
|
_logger.LogWarning("{0}: External request received, however, no WAN interface found.", sourceAddr);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Get the first LAN interface address that isn't a loopback.
|
|
|
|
|
var result = _interfaceAddresses
|
|
|
|
|
var interfaces = new NetCollection(_interfaceAddresses
|
|
|
|
|
.Exclude(_bindExclusions)
|
|
|
|
|
.Where(p => IsInLocalNetwork(p))
|
|
|
|
|
.OrderBy(p => p.Tag);
|
|
|
|
|
.OrderBy(p => p.Tag));
|
|
|
|
|
|
|
|
|
|
if (result.Any())
|
|
|
|
|
if (interfaces.Count > 0)
|
|
|
|
|
{
|
|
|
|
|
if (haveSource)
|
|
|
|
|
{
|
|
|
|
|
// Does the request originate in one of the interface subnets?
|
|
|
|
|
// (For systems with multiple internal network cards, and multiple subnets)
|
|
|
|
|
foreach (var intf in result)
|
|
|
|
|
foreach (var intf in interfaces)
|
|
|
|
|
{
|
|
|
|
|
if (intf.Contains(sourceAddr))
|
|
|
|
|
if (intf.Contains(source))
|
|
|
|
|
{
|
|
|
|
|
ipresult = FormatIP6String(intf.Address);
|
|
|
|
|
_logger.LogDebug("{0}: GetBindInterface: Has source, matched best internal interface on range. {1}", sourceAddr, ipresult);
|
|
|
|
|
return ipresult;
|
|
|
|
|
result = FormatIP6String(intf.Address);
|
|
|
|
|
_logger.LogDebug("{0}: GetBindInterface: Has source, matched best internal interface on range. {1}", source, result);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ipresult = FormatIP6String(result.First().Address);
|
|
|
|
|
_logger.LogDebug("{0}: GetBindInterface: Matched first internal interface. {1}", sourceAddr, ipresult);
|
|
|
|
|
return ipresult;
|
|
|
|
|
result = FormatIP6String(interfaces.First().Address);
|
|
|
|
|
_logger.LogDebug("{0}: GetBindInterface: Matched first internal interface. {1}", source, result);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// There isn't any others, so we'll use the loopback.
|
|
|
|
|
ipresult = IsIP6Enabled ? "::" : "127.0.0.1";
|
|
|
|
|
_logger.LogWarning("{0}: GetBindInterface: Loopback return.", sourceAddr, ipresult);
|
|
|
|
|
return ipresult;
|
|
|
|
|
result = IsIP6Enabled ? "::" : "127.0.0.1";
|
|
|
|
|
_logger.LogWarning("{0}: GetBindInterface: Loopback return.", source, result);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -771,16 +642,6 @@ namespace Jellyfin.Networking.Manager
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private static NetworkManager GetInstance()
|
|
|
|
|
{
|
|
|
|
|
if (_instance == null)
|
|
|
|
|
{
|
|
|
|
|
throw new ApplicationException("NetworkManager is not initialised.");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return _instance;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private void ConfigurationUpdated(object? sender, EventArgs args)
|
|
|
|
|
{
|
|
|
|
|
UpdateSettings((ServerConfiguration)_configurationManager.CommonConfiguration);
|
|
|
|
|
@ -944,7 +805,7 @@ namespace Jellyfin.Networking.Manager
|
|
|
|
|
{
|
|
|
|
|
lock (_intLock)
|
|
|
|
|
{
|
|
|
|
|
_overrideUrls.Clear();
|
|
|
|
|
_publishedServerUrls.Clear();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
@ -952,7 +813,7 @@ namespace Jellyfin.Networking.Manager
|
|
|
|
|
|
|
|
|
|
lock (_intLock)
|
|
|
|
|
{
|
|
|
|
|
_overrideUrls.Clear();
|
|
|
|
|
_publishedServerUrls.Clear();
|
|
|
|
|
|
|
|
|
|
foreach (var entry in overrides)
|
|
|
|
|
{
|
|
|
|
|
@ -966,15 +827,15 @@ namespace Jellyfin.Networking.Manager
|
|
|
|
|
var replacement = parts[1].Trim();
|
|
|
|
|
if (string.Equals(parts[0], "remaining", StringComparison.OrdinalIgnoreCase))
|
|
|
|
|
{
|
|
|
|
|
_overrideUrls[new IPNetAddress(IPAddress.Broadcast)] = replacement;
|
|
|
|
|
_publishedServerUrls[new IPNetAddress(IPAddress.Broadcast)] = replacement;
|
|
|
|
|
}
|
|
|
|
|
else if (string.Equals(parts[0], "external", StringComparison.OrdinalIgnoreCase))
|
|
|
|
|
{
|
|
|
|
|
_overrideUrls[new IPNetAddress(IPAddress.Any)] = replacement;
|
|
|
|
|
_publishedServerUrls[new IPNetAddress(IPAddress.Any)] = replacement;
|
|
|
|
|
}
|
|
|
|
|
else if (TryParseInterface(parts[0], out IPNetAddress address))
|
|
|
|
|
{
|
|
|
|
|
_overrideUrls[address] = replacement;
|
|
|
|
|
_publishedServerUrls[address] = replacement;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
@ -1199,5 +1060,179 @@ namespace Jellyfin.Networking.Manager
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Attempts to match the source against a user defined bind interface.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="source">IP source address to use.</param>
|
|
|
|
|
/// <param name="isExternal">True if the source is in the external subnet.</param>
|
|
|
|
|
/// <param name="isChromeCast">True if the request is for a chromecast device.</param>
|
|
|
|
|
/// <param name="bindPreference">The published server url that matches the source address.</param>
|
|
|
|
|
/// <param name="port">The resultant port, if one exists.</param>
|
|
|
|
|
/// <returns>True if a match is found.</returns>
|
|
|
|
|
private bool MatchesPublishedServerUrl(IPObject source, bool isExternal, bool isChromeCast, out string bindPreference, out int? port)
|
|
|
|
|
{
|
|
|
|
|
bindPreference = string.Empty;
|
|
|
|
|
port = null;
|
|
|
|
|
|
|
|
|
|
// Check for user override.
|
|
|
|
|
foreach (var addr in _publishedServerUrls)
|
|
|
|
|
{
|
|
|
|
|
// Remaining. Match anything.
|
|
|
|
|
if (addr.Key.Equals(IPAddress.Broadcast))
|
|
|
|
|
{
|
|
|
|
|
bindPreference = addr.Value;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
else if ((addr.Key.Equals(IPAddress.Any) || addr.Key.Equals(IPAddress.IPv6Any)) && (isExternal || isChromeCast))
|
|
|
|
|
{
|
|
|
|
|
// External.
|
|
|
|
|
bindPreference = addr.Value;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
else if (addr.Key.Contains(source))
|
|
|
|
|
{
|
|
|
|
|
// Match ip address.
|
|
|
|
|
bindPreference = addr.Value;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!string.IsNullOrEmpty(bindPreference))
|
|
|
|
|
{
|
|
|
|
|
// Has it got a port defined?
|
|
|
|
|
var parts = bindPreference.Split(':');
|
|
|
|
|
if (parts.Length > 1)
|
|
|
|
|
{
|
|
|
|
|
if (int.TryParse(parts[1], out int p))
|
|
|
|
|
{
|
|
|
|
|
bindPreference = parts[0];
|
|
|
|
|
port = p;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Attempts to match the source against a user defined bind interface.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="source">IP source address to use.</param>
|
|
|
|
|
/// <param name="isExternal">True if the source is in the external subnet.</param>
|
|
|
|
|
/// <param name="result">The result, if a match is found.</param>
|
|
|
|
|
/// <returns>True if a match is found.</returns>
|
|
|
|
|
private bool MatchesBindInterface(IPObject source, bool isExternal, out string result)
|
|
|
|
|
{
|
|
|
|
|
result = string.Empty;
|
|
|
|
|
var nc = new NetCollection(_bindAddresses.Exclude(_bindExclusions).Where(p => !p.IsLoopback()));
|
|
|
|
|
|
|
|
|
|
int count = nc.Count;
|
|
|
|
|
if (count == 1 && (_bindAddresses[0].Equals(IPAddress.Any) || _bindAddresses[0].Equals(IPAddress.IPv6Any)))
|
|
|
|
|
{
|
|
|
|
|
// Ignore IPAny addresses.
|
|
|
|
|
count = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (count != 0)
|
|
|
|
|
{
|
|
|
|
|
// Check to see if any of the bind interfaces are in the same subnet.
|
|
|
|
|
|
|
|
|
|
NetCollection bindResult;
|
|
|
|
|
IPAddress? defaultGateway = null;
|
|
|
|
|
IPAddress? bindAddress;
|
|
|
|
|
|
|
|
|
|
if (isExternal)
|
|
|
|
|
{
|
|
|
|
|
// Find all external bind addresses. Store the default gateway, but check to see if there is a better match first.
|
|
|
|
|
bindResult = new NetCollection(nc
|
|
|
|
|
.Where(p => !IsInLocalNetwork(p))
|
|
|
|
|
.OrderBy(p => p.Tag));
|
|
|
|
|
defaultGateway = bindResult.FirstOrDefault()?.Address;
|
|
|
|
|
bindAddress = bindResult
|
|
|
|
|
.Where(p => p.Contains(source))
|
|
|
|
|
.OrderBy(p => p.Tag)
|
|
|
|
|
.FirstOrDefault()?.Address;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
// Look for the best internal address.
|
|
|
|
|
bindAddress = nc
|
|
|
|
|
.Where(p => IsInLocalNetwork(p) && (p.Contains(source) || p.Equals(IPAddress.None)))
|
|
|
|
|
.OrderBy(p => p.Tag)
|
|
|
|
|
.FirstOrDefault()?.Address;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (bindAddress != null)
|
|
|
|
|
{
|
|
|
|
|
result = FormatIP6String(bindAddress);
|
|
|
|
|
_logger.LogDebug("{0}: GetBindInterface: Has source, found a match bind interface subnets. {1}", source, result);
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (isExternal && defaultGateway != null)
|
|
|
|
|
{
|
|
|
|
|
result = FormatIP6String(defaultGateway);
|
|
|
|
|
_logger.LogDebug("{0}: GetBindInterface: Using first user defined external interface. {1}", source, result);
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
result = FormatIP6String(nc.First().Address);
|
|
|
|
|
_logger.LogDebug("{0}: GetBindInterface: Selected first user defined interface. {1}", source, result);
|
|
|
|
|
|
|
|
|
|
if (isExternal)
|
|
|
|
|
{
|
|
|
|
|
// TODO: remove this after testing.
|
|
|
|
|
_logger.LogWarning("{0}: External request received, however, only an internal interface bind found.", source);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Attempts to match the source against am external interface.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="source">IP source address to use.</param>
|
|
|
|
|
/// <param name="result">The result, if a match is found.</param>
|
|
|
|
|
/// <returns>True if a match is found.</returns>
|
|
|
|
|
private bool MatchesExternalInterface(IPObject source, out string result)
|
|
|
|
|
{
|
|
|
|
|
result = string.Empty;
|
|
|
|
|
// Get the first WAN interface address that isn't a loopback.
|
|
|
|
|
var extResult = new NetCollection(_interfaceAddresses
|
|
|
|
|
.Exclude(_bindExclusions)
|
|
|
|
|
.Where(p => !IsInLocalNetwork(p))
|
|
|
|
|
.OrderBy(p => p.Tag));
|
|
|
|
|
|
|
|
|
|
if (extResult.Count > 0)
|
|
|
|
|
{
|
|
|
|
|
// Does the request originate in one of the interface subnets?
|
|
|
|
|
// (For systems with multiple internal network cards, and multiple subnets)
|
|
|
|
|
foreach (var intf in extResult)
|
|
|
|
|
{
|
|
|
|
|
if (!IsInLocalNetwork(intf) && intf.Contains(source))
|
|
|
|
|
{
|
|
|
|
|
result = FormatIP6String(intf.Address);
|
|
|
|
|
_logger.LogDebug("{0}: GetBindInterface: Selected best external on interface on range. {1}", source, result);
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
result = FormatIP6String(extResult.First().Address);
|
|
|
|
|
_logger.LogDebug("{0}: GetBindInterface: Selected first external interface. {0}", source, result);
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Have to return something, so return an internal address
|
|
|
|
|
|
|
|
|
|
// TODO: remove this after testing.
|
|
|
|
|
_logger.LogWarning("{0}: External request received, however, no WAN interface found.", source);
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
Jim Cartlidge
4 years ago