Suggest local interfaces in bind setting

v2rayN/ServiceLib/Common/NetworkUtils.cs

@@ -0,0 +1,80 @@
+namespace ServiceLib.Common;
+
+public static class NetworkUtils
+{
+    private static readonly HashSet<NetworkInterfaceType> _allowedPhysicalInterfaceTypes =
+    [
+        NetworkInterfaceType.Ethernet,
+        NetworkInterfaceType.Wireless80211,
+        NetworkInterfaceType.GigabitEthernet,
+        NetworkInterfaceType.FastEthernetFx,
+        NetworkInterfaceType.FastEthernetT,
+    ];
+
+    private static readonly string[] _allowedPhysicalNameKeywords =
+    [
+        // Windows / Generic
+        "ethernet", "wlan", "wi-fi", "wifi",
+
+        // Linux
+        "eth", "enp", "ens", "eno", "enx", "wlp", "wlan",
+
+        // macOS
+        "en0", "en1", "en2", "airport",
+
+        // Chinese
+        "以太网", "无线", "局域网"
+    ];
+
+    private static readonly string[] _virtualNameBlacklistKeywords =
+    [
+        // Generic
+        "virtual", "loopback", "loop back",
+
+        // Common virtual adapters
+        "hyper-v", "vmware", "virtualbox", "vbox", "docker", "veth", "virbr", "cni",
+        "flannel", "cali", "kube", "wintun", "wireguard", "zerotier", "tailscale", "utun",
+
+        // Chinese
+        "虚拟", "回环", "环回"
+    ];
+
+    public static List<string> GetLocalNetworkInterfaceNames()
+    {
+        try
+        {
+            return NetworkInterface.GetAllNetworkInterfaces()
+                .Where(IsAllowedPhysicalInterface)
+                .Select(x => x.Name)
+                .Where(x => !string.IsNullOrWhiteSpace(x))
+                .Distinct(StringComparer.OrdinalIgnoreCase)
+                .OrderBy(x => x)
+                .ToList();
+        }
+        catch
+        {
+            return [];
+        }
+    }
+
+    private static bool IsAllowedPhysicalInterface(NetworkInterface ni)
+    {
+        if (ni.OperationalStatus != OperationalStatus.Up)
+        {
+            return false;
+        }
+
+        var interfaceText = $"{ni.Name} {ni.Description}";
+        if (_virtualNameBlacklistKeywords.Any(keyword => interfaceText.Contains(keyword, StringComparison.OrdinalIgnoreCase)))
+        {
+            return false;
+        }
+
+        if (_allowedPhysicalInterfaceTypes.Contains(ni.NetworkInterfaceType))
+        {
+            return true;
+        }
+
+        return _allowedPhysicalNameKeywords.Any(keyword => interfaceText.Contains(keyword, StringComparison.OrdinalIgnoreCase));
+    }
+}

v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml

@@ -53,7 +53,8 @@
                             Grid.Row="0"
                             Grid.Column="1"
                             Width="200"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
                         <TextBlock
                             Grid.Row="0"
                             Grid.Column="2"
@@ -167,7 +168,8 @@
                             Grid.Row="9"
                             Grid.Column="1"
                             Width="200"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="10"
@@ -180,7 +182,8 @@
                             Grid.Row="10"
                             Grid.Column="1"
                             Width="200"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="12"
@@ -437,12 +440,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSettingsBindInterface}" />
-                        <TextBox
+                        <ComboBox
-                            x:Name="txtbindInterface"
+                            x:Name="cmbbindInterface"
                             Grid.Row="22"
                             Grid.Column="1"
-                            Width="200"
+                            Width="300"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            IsEditable="True" />
                         <TextBlock
                             Grid.Row="22"
                             Grid.Column="2"
@@ -463,6 +467,7 @@
                             Grid.Column="1"
                             Width="200"
                             Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left"
                             PlaceholderText="0.0.0.0" />
                         <TextBlock
                             Grid.Row="23"

v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs

@@ -5,7 +5,7 @@ namespace v2rayN.Desktop.Views;
 
 public partial class OptionSettingWindow : WindowBase<OptionSettingViewModel>
 {
-    private static Config _config;
+    private static Config _config; 
 
     public OptionSettingWindow()
     {
@@ -59,6 +59,7 @@ public partial class OptionSettingWindow : WindowBase<OptionSettingViewModel>
         cmbRoutingRulesSourceUrl.ItemsSource = Global.RoutingRulesSources;
         cmbIPAPIUrl.ItemsSource = Global.IPAPIUrls;
         cmbRootCertificateProvider.ItemsSource = Global.RootCertProviders;
+        cmbbindInterface.ItemsSource = NetworkUtils.GetLocalNetworkInterfaceNames().AppendEmpty();
 
         cmbMainGirdOrientation.ItemsSource = Utils.GetEnumNames<EGirdOrientation>();
 
@@ -81,7 +82,7 @@ public partial class OptionSettingWindow : WindowBase<OptionSettingViewModel>
             this.Bind(ViewModel, vm => vm.Loglevel, v => v.cmbloglevel.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.DefFingerprint, v => v.cmbdefFingerprint.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.DefUserAgent, v => v.cmbdefUserAgent.SelectedValue).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.BindInterface, v => v.txtbindInterface.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.BindInterface, v => v.cmbbindInterface.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Mux4RayConcurrency, v => v.txtmux4RayConcurrency.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Mux4RayXudpConcurrency, v => v.txtmux4RayXudpConcurrency.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Mux4RayXudpProxyUDP443, v => v.cmbmux4RayXudpProxyUDP443.SelectedValue).DisposeWith(disposables);

v2rayN/v2rayN/Views/OptionSettingWindow.xaml

@@ -497,13 +497,14 @@
                             VerticalAlignment="Center"
                             Style="{StaticResource ToolbarTextBlock}"
                             Text="{x:Static resx:ResUI.TbSettingsBindInterface}" />
-                        <TextBox
+                        <ComboBox
                             x:Name="txtbindInterface"
                             Grid.Row="22"
                             Grid.Column="1"
                             Width="200"
                             Margin="{StaticResource Margin8}"
-                            Style="{StaticResource DefTextBox}" />
+                            IsEditable="True"
+                            Style="{StaticResource DefComboBox}" />
                         <TextBlock
                             Grid.Row="22"
                             Grid.Column="2"

v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs

@@ -55,6 +55,7 @@ public partial class OptionSettingWindow
         cmbRoutingRulesSourceUrl.ItemsSource = Global.RoutingRulesSources;
         cmbIPAPIUrl.ItemsSource = Global.IPAPIUrls;
         cmbRootCertificateProvider.ItemsSource = Global.RootCertProviders;
+        txtbindInterface.ItemsSource = NetworkUtils.GetLocalNetworkInterfaceNames().AppendEmpty();
 
         cmbMainGirdOrientation.ItemsSource = Utils.GetEnumNames<EGirdOrientation>();