Add ICMP routing (2dust#8894)

DHR60 · web-flow · commit 194c2402434b · 2026-03-21T19:55:34.000+08:00
diff --git a/v2rayN/ServiceLib/Global.cs b/v2rayN/ServiceLib/Global.cs
@@ -675,5 +675,14 @@ public class Global
         ""
     ];
 
+    public static readonly List<string> TunIcmpRoutingPolicies =
+    [
+        "rule",
+        "direct",
+        "unreachable",
+        "drop",
+        "reply",
+    ];
+
     #endregion const
 }
diff --git a/v2rayN/ServiceLib/Handler/ConfigHandler.cs b/v2rayN/ServiceLib/Handler/ConfigHandler.cs
@@ -91,6 +91,7 @@ public static class ConfigHandler
         {
             EnableTun = false,
             Mtu = 9000,
+            IcmpRouting = Global.TunIcmpRoutingPolicies.First(),
         };
         config.GuiItem ??= new();
         config.MsgUIItem ??= new();
diff --git a/v2rayN/ServiceLib/Models/ConfigItems.cs b/v2rayN/ServiceLib/Models/ConfigItems.cs
@@ -144,6 +144,7 @@ public class TunModeItem
     public string Stack { get; set; }
     public int Mtu { get; set; }
     public bool EnableIPv6Address { get; set; }
+    public string IcmpRouting { get; set; }
 }
 
 [Serializable]
diff --git a/v2rayN/ServiceLib/Resx/ResUI.Designer.cs b/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
diff --git a/v2rayN/ServiceLib/Resx/ResUI.fa-Ir.resx b/v2rayN/ServiceLib/Resx/ResUI.fa-Ir.resx
@@ -1692,4 +1692,7 @@ The "Get Certificate" action may fail if a self-signed certificate is used or if
   <data name="TbUsername" xml:space="preserve">
     <value>Username</value>
   </data>
+  <data name="TbIcmpRoutingPolicy" xml:space="preserve">
+    <value>ICMP routing policy</value>
+  </data>
 </root>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.fr.resx b/v2rayN/ServiceLib/Resx/ResUI.fr.resx
@@ -1689,4 +1689,7 @@ The "Get Certificate" action may fail if a self-signed certificate is used or if
   <data name="TbUsername" xml:space="preserve">
     <value>Username</value>
   </data>
+  <data name="TbIcmpRoutingPolicy" xml:space="preserve">
+    <value>ICMP routing policy</value>
+  </data>
 </root>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.hu.resx b/v2rayN/ServiceLib/Resx/ResUI.hu.resx
@@ -1692,4 +1692,7 @@ The "Get Certificate" action may fail if a self-signed certificate is used or if
   <data name="TbUsername" xml:space="preserve">
     <value>Username</value>
   </data>
+  <data name="TbIcmpRoutingPolicy" xml:space="preserve">
+    <value>ICMP routing policy</value>
+  </data>
 </root>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.resx b/v2rayN/ServiceLib/Resx/ResUI.resx
@@ -1692,4 +1692,7 @@ The "Get Certificate" action may fail if a self-signed certificate is used or if
   <data name="TbUsername" xml:space="preserve">
     <value>Username</value>
   </data>
+  <data name="TbIcmpRoutingPolicy" xml:space="preserve">
+    <value>ICMP routing policy</value>
+  </data>
 </root>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.ru.resx b/v2rayN/ServiceLib/Resx/ResUI.ru.resx
@@ -1692,4 +1692,7 @@
   <data name="TbUsername" xml:space="preserve">
     <value>Username</value>
   </data>
+  <data name="TbIcmpRoutingPolicy" xml:space="preserve">
+    <value>ICMP routing policy</value>
+  </data>
 </root>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx b/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
@@ -1689,4 +1689,7 @@
   <data name="TbUsername" xml:space="preserve">
     <value>用户名</value>
   </data>
+  <data name="TbIcmpRoutingPolicy" xml:space="preserve">
+    <value>ICMP 路由策略</value>
+  </data>
 </root>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx b/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
@@ -1689,4 +1689,7 @@
   <data name="TbUsername" xml:space="preserve">
     <value>Username</value>
   </data>
+  <data name="TbIcmpRoutingPolicy" xml:space="preserve">
+    <value>ICMP routing policy</value>
+  </data>
 </root>
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs
@@ -47,6 +47,36 @@ private void GenRouting()
                     outbound = Global.DirectTag,
                     process_name = lstDirectExe
                 });
+
+                // ICMP Routing
+                var icmpRouting = _config.TunModeItem.IcmpRouting ?? "";
+                if (!Global.TunIcmpRoutingPolicies.Contains(icmpRouting))
+                {
+                    icmpRouting = Global.TunIcmpRoutingPolicies.First();
+                }
+                if (icmpRouting == "direct")
+                {
+                    _coreConfig.route.rules.Add(new()
+                    {
+                        network = ["icmp"],
+                        outbound = Global.DirectTag,
+                    });
+                }
+                else if (icmpRouting != "rule")
+                {
+                    var rejectMethod = icmpRouting switch
+                    {
+                        "unreachable" => "default",
+                        "drop" => "drop",
+                        _ => "reply",
+                    };
+                    _coreConfig.route.rules.Add(new()
+                    {
+                        network = ["icmp"],
+                        action = "reject",
+                        method = rejectMethod,
+                    });
+                }
             }
 
             if (_config.Inbound.First().SniffingEnabled)
diff --git a/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs b/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs
@@ -95,6 +95,7 @@ public class OptionSettingViewModel : MyReactiveObject
     [Reactive] public string TunStack { get; set; }
     [Reactive] public int TunMtu { get; set; }
     [Reactive] public bool TunEnableIPv6Address { get; set; }
+    [Reactive] public string TunIcmpRouting { get; set; }
 
     #endregion Tun mode
 
@@ -218,6 +219,7 @@ private async Task Init()
         TunStack = _config.TunModeItem.Stack;
         TunMtu = _config.TunModeItem.Mtu;
         TunEnableIPv6Address = _config.TunModeItem.EnableIPv6Address;
+        TunIcmpRouting = _config.TunModeItem.IcmpRouting;
 
         #endregion Tun mode
 
@@ -376,6 +378,7 @@ private async Task SaveSettingAsync()
         _config.TunModeItem.Stack = TunStack;
         _config.TunModeItem.Mtu = TunMtu;
         _config.TunModeItem.EnableIPv6Address = TunEnableIPv6Address;
+        _config.TunModeItem.IcmpRouting = TunIcmpRouting;
 
         //coreType
         await SaveCoreType();
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
@@ -824,6 +824,20 @@
                         Margin="{StaticResource Margin4}"
                         HorizontalAlignment="Left" />
 
+                    <TextBlock
+                        Grid.Row="6"
+                        Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
+                        VerticalAlignment="Center"
+                        Text="{x:Static resx:ResUI.TbIcmpRoutingPolicy}" />
+                    <ComboBox
+                        x:Name="cmbIcmpRoutingPolicy"
+                        Grid.Row="6"
+                        Grid.Column="1"
+                        Width="200"
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
+
                     <TextBlock
                         Grid.Row="7"
                         Grid.Column="0"
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
@@ -34,6 +34,7 @@ public OptionSettingWindow()
         cmbmux4SboxProtocol.ItemsSource = Global.SingboxMuxs;
         cmbMtu.ItemsSource = Global.TunMtus;
         cmbStack.ItemsSource = Global.TunStacks;
+        cmbIcmpRoutingPolicy.ItemsSource = Global.TunIcmpRoutingPolicies;
 
         cmbCoreType1.ItemsSource = Global.CoreTypes;
         cmbCoreType2.ItemsSource = Global.CoreTypes;
@@ -114,6 +115,7 @@ public OptionSettingWindow()
             this.Bind(ViewModel, vm => vm.TunStack, v => v.cmbStack.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunMtu, v => v.cmbMtu.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunEnableIPv6Address, v => v.togEnableIPv6Address.IsChecked).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.TunIcmpRouting, v => v.cmbIcmpRoutingPolicy.SelectedValue).DisposeWith(disposables);
 
             this.Bind(ViewModel, vm => vm.CoreType1, v => v.cmbCoreType1.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.CoreType2, v => v.cmbCoreType2.SelectedValue).DisposeWith(disposables);
diff --git a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
@@ -1076,6 +1076,22 @@
                         HorizontalAlignment="Left"
                         Style="{StaticResource DefComboBox}" />
 
+                    <TextBlock
+                        Grid.Row="6"
+                        Grid.Column="0"
+                        Margin="{StaticResource Margin8}"
+                        VerticalAlignment="Center"
+                        Style="{StaticResource ToolbarTextBlock}"
+                        Text="{x:Static resx:ResUI.TbIcmpRoutingPolicy}" />
+                    <ComboBox
+                        x:Name="cmbIcmpRoutingPolicy"
+                        Grid.Row="6"
+                        Grid.Column="1"
+                        Width="200"
+                        Margin="{StaticResource Margin8}"
+                        HorizontalAlignment="Left"
+                        Style="{StaticResource DefComboBox}" />
+
                     <TextBlock
                         Grid.Row="7"
                         Grid.Column="0"
diff --git a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
@@ -31,6 +31,7 @@ public OptionSettingWindow()
         cmbmux4SboxProtocol.ItemsSource = Global.SingboxMuxs;
         cmbMtu.ItemsSource = Global.TunMtus;
         cmbStack.ItemsSource = Global.TunStacks;
+        cmbIcmpRoutingPolicy.ItemsSource = Global.TunIcmpRoutingPolicies;
 
         cmbCoreType1.ItemsSource = Global.CoreTypes;
         cmbCoreType2.ItemsSource = Global.CoreTypes;
@@ -119,6 +120,7 @@ public OptionSettingWindow()
             this.Bind(ViewModel, vm => vm.TunStack, v => v.cmbStack.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunMtu, v => v.cmbMtu.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunEnableIPv6Address, v => v.togEnableIPv6Address.IsChecked).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.TunIcmpRouting, v => v.cmbIcmpRoutingPolicy.Text).DisposeWith(disposables);
 
             this.Bind(ViewModel, vm => vm.CoreType1, v => v.cmbCoreType1.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.CoreType2, v => v.cmbCoreType2.Text).DisposeWith(disposables);

Original file line number	Diff line number	Diff line change
`@@ -91,6 +91,7 @@ public static class ConfigHandler`
`91`	`91`	`{`
`92`	`92`	`EnableTun = false,`
`93`	`93`	`Mtu = 9000,`
	`94`	`+ IcmpRouting = Global.TunIcmpRoutingPolicies.First(),`
`94`	`95`	`};`
`95`	`96`	`config.GuiItem ??= new();`
`96`	`97`	`config.MsgUIItem ??= new();`
Original file line number	Diff line number	Diff line change
`@@ -144,6 +144,7 @@ public class TunModeItem`
`144`	`144`	`public string Stack { get; set; }`
`145`	`145`	`public int Mtu { get; set; }`
`146`	`146`	`public bool EnableIPv6Address { get; set; }`
	`147`	`+ public string IcmpRouting { get; set; }`
`147`	`148`	`}`
`148`	`149`
`149`	`150`	`[Serializable]`