Add Outbound DNS address

https://github.com/2dust/v2rayN/issues/5387

v2rayN/v2rayN/Global.cs

@@ -176,6 +176,8 @@ namespace v2rayN
         public static readonly List<string> AllowInsecure = new() { "true", "false", "" };
         public static readonly List<string> DomainStrategy4Freedoms = new() { "AsIs", "UseIP", "UseIPv4", "UseIPv6", "" };
         public static readonly List<string> SingboxDomainStrategy4Out = new() { "ipv4_only", "prefer_ipv4", "prefer_ipv6", "ipv6_only", "" };
+        public static readonly List<string> DomainDNSAddress = ["223.5.5.5", "223.6.6.6", "localhost"];
+        public static readonly List<string> SingboxDomainDNSAddress = ["223.5.5.5", "223.6.6.6", "dhcp://auto"];
         public static readonly List<string> Languages = new() { "zh-Hans", "zh-Hant", "en", "fa-Ir", "ru" };
         public static readonly List<string> Alpns = new() { "h3", "h2", "http/1.1", "h3,h2,http/1.1", "h2,h3", "h2,http/1.1", "" };
         public static readonly List<string> LogLevels = new() { "debug", "info", "warning", "error", "none" };

v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs

@@ -1180,7 +1180,7 @@ namespace v2rayN.Handler.CoreConfig
                 }
                 singboxConfig.dns = dns4Sbox;
 
-                GenDnsDomains(node, singboxConfig, item?.domainStrategy4Freedom);
+                GenDnsDomains(node, singboxConfig, item);
             }
             catch (Exception ex)
             {
@@ -1189,7 +1189,7 @@ namespace v2rayN.Handler.CoreConfig
             return 0;
         }
 
-        private int GenDnsDomains(ProfileItem? node, SingboxConfig singboxConfig, string? strategy)
+        private int GenDnsDomains(ProfileItem? node, SingboxConfig singboxConfig, DNSItem? dNSItem)
         {
             var dns4Sbox = singboxConfig.dns ?? new();
             dns4Sbox.servers ??= [];
@@ -1199,9 +1199,9 @@ namespace v2rayN.Handler.CoreConfig
             dns4Sbox.servers.Add(new()
             {
                 tag = tag,
-                address = "223.5.5.5",
+                address = Utils.IsNullOrEmpty(dNSItem?.domainDNSAddress) ? Global.SingboxDomainDNSAddress.FirstOrDefault() : dNSItem?.domainDNSAddress,
                 detour = Global.DirectTag,
-                strategy = Utils.IsNullOrEmpty(strategy) ? null : strategy,
+                strategy = Utils.IsNullOrEmpty(dNSItem?.domainStrategy4Freedom) ? null : dNSItem?.domainStrategy4Freedom,
             });
             dns4Sbox.rules.Insert(0, new()
             {

v2rayN/v2rayN/Handler/CoreConfig/CoreConfigV2ray.cs

@@ -1073,7 +1073,7 @@ namespace v2rayN.Handler.CoreConfig
                     }
                 }
 
-                GenDnsDomains(node, obj);
+                GenDnsDomains(node, obj, item);
 
                 v2rayConfig.dns = obj;
             }
@@ -1084,7 +1084,7 @@ namespace v2rayN.Handler.CoreConfig
             return 0;
         }
 
-        private int GenDnsDomains(ProfileItem? node, JsonNode dns)
+        private int GenDnsDomains(ProfileItem? node, JsonNode dns, DNSItem? dNSItem)
         {
             if (node == null)
             { return 0; }
@@ -1095,7 +1095,7 @@ namespace v2rayN.Handler.CoreConfig
                 {
                     var dnsServer = new DnsServer4Ray()
                     {
-                        address = "223.5.5.5",
+                        address = Utils.IsNullOrEmpty(dNSItem?.domainDNSAddress) ? Global.DomainDNSAddress.FirstOrDefault() : dNSItem?.domainDNSAddress,
                         domains = [node.address]
                     };
                     servers.AsArray().Insert(0, JsonUtils.SerializeToNode(dnsServer));

v2rayN/v2rayN/Models/DNSItem.cs

@@ -16,5 +16,6 @@ namespace v2rayN.Models
         public string? normalDNS { get; set; }
         public string? tunDNS { get; set; }
         public string? domainStrategy4Freedom { get; set; }
+        public string? domainDNSAddress { get; set; }
     }
 }

v2rayN/v2rayN/Resx/ResUI.Designer.cs

@@ -2662,6 +2662,15 @@ namespace v2rayN.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Outbound DNS address 的本地化字符串。
+        /// </summary>
+        public static string TbSettingsDomainDNSAddress {
+            get {
+                return ResourceManager.GetString("TbSettingsDomainDNSAddress", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Outbound Freedom domainStrategy 的本地化字符串。
         /// </summary>

v2rayN/v2rayN/Resx/ResUI.resx

@@ -1258,4 +1258,7 @@
   <data name="menuSetDefaultLoadBalanceServer" xml:space="preserve">
     <value>Multi-server load balancing</value>
   </data>
+  <data name="TbSettingsDomainDNSAddress" xml:space="preserve">
+    <value>Outbound DNS address</value>
+  </data>
 </root>

v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx

@@ -1255,4 +1255,7 @@
   <data name="menuSetDefaultLoadBalanceServer" xml:space="preserve">
     <value>多服务器负载均衡 (多选)</value>
   </data>
+  <data name="TbSettingsDomainDNSAddress" xml:space="preserve">
+    <value>Outbound域名解析地址</value>
+  </data>
 </root>

v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs

@@ -18,10 +18,13 @@ namespace v2rayN.ViewModels
 
         [Reactive] public bool useSystemHosts { get; set; }
         [Reactive] public string domainStrategy4Freedom { get; set; }
+        [Reactive] public string domainDNSAddress { get; set; }
         [Reactive] public string normalDNS { get; set; }
+
+        [Reactive] public string domainStrategy4Freedom2 { get; set; }
+        [Reactive] public string domainDNSAddress2 { get; set; }
         [Reactive] public string normalDNS2 { get; set; }
         [Reactive] public string tunDNS2 { get; set; }
-        [Reactive] public string domainStrategy4Freedom2 { get; set; }
 
         public ReactiveCommand<Unit, Unit> SaveCmd { get; }
         public ReactiveCommand<Unit, Unit> ImportDefConfig4V2rayCmd { get; }
@@ -36,12 +39,14 @@ namespace v2rayN.ViewModels
             var item = LazyConfig.Instance.GetDNSItem(ECoreType.Xray);
             useSystemHosts = item.useSystemHosts;
             domainStrategy4Freedom = item?.domainStrategy4Freedom ?? string.Empty;
+            domainDNSAddress = item?.domainDNSAddress ?? string.Empty;
             normalDNS = item?.normalDNS ?? string.Empty;
 
             var item2 = LazyConfig.Instance.GetDNSItem(ECoreType.sing_box);
+            domainStrategy4Freedom2 = item2?.domainStrategy4Freedom ?? string.Empty;
+            domainDNSAddress2 = item2?.domainDNSAddress ?? string.Empty;
             normalDNS2 = item2?.normalDNS ?? string.Empty;
             tunDNS2 = item2?.tunDNS ?? string.Empty;
-            domainStrategy4Freedom2 = item2?.domainStrategy4Freedom ?? string.Empty;
 
             SaveCmd = ReactiveCommand.Create(() =>
             {
@@ -100,14 +105,16 @@ namespace v2rayN.ViewModels
 
             var item = LazyConfig.Instance.GetDNSItem(ECoreType.Xray);
             item.domainStrategy4Freedom = domainStrategy4Freedom;
+            item.domainDNSAddress = domainDNSAddress;
             item.useSystemHosts = useSystemHosts;
             item.normalDNS = normalDNS;
             ConfigHandler.SaveDNSItems(_config, item);
 
             var item2 = LazyConfig.Instance.GetDNSItem(ECoreType.sing_box);
-            item2.normalDNS = JsonUtils.Serialize(JsonUtils.ParseJson(normalDNS2));
-            item2.tunDNS = JsonUtils.Serialize(JsonUtils.ParseJson(tunDNS2));
             item2.domainStrategy4Freedom = domainStrategy4Freedom2;
+            item2.domainDNSAddress = domainDNSAddress2;
+            item2.normalDNS = JsonUtils.Serialize(JsonUtils.ParseJson(normalDNS2));
+            item2.tunDNS = JsonUtils.Serialize(JsonUtils.ParseJson(tunDNS2));;
             ConfigHandler.SaveDNSItems(_config, item2);
 
             _noticeHandler?.Enqueue(ResUI.OperationSuccess);

v2rayN/v2rayN/Views/DNSSettingWindow.xaml

@@ -49,33 +49,6 @@
 
             <TabItem Header="{x:Static resx:ResUI.TbSettingsCoreDns}">
                 <DockPanel Margin="{StaticResource SettingItemMargin}">
-                    <StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal">
-                        <TextBlock
-                            Margin="{StaticResource SettingItemMargin}"
-                            VerticalAlignment="Center"
-                            Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbSettingsDomainStrategy4Freedom}" />
-                        <ComboBox
-                            x:Name="cmbdomainStrategy4Freedom"
-                            Width="200"
-                            Margin="{StaticResource SettingItemMargin}"
-                            Style="{StaticResource DefComboBox}" />
-                    </StackPanel>
-
-                    <StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal">
-                        <TextBlock
-                            Margin="{StaticResource SettingItemMargin}"
-                            VerticalAlignment="Center"
-                            Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbSettingsUseSystemHosts}" />
-                        <ToggleButton
-                            x:Name="togUseSystemHosts"
-                            Grid.Row="5"
-                            Grid.Column="1"
-                            Margin="{StaticResource SettingItemMargin}"
-                            HorizontalAlignment="Left" />
-                    </StackPanel>
-
                     <StackPanel DockPanel.Dock="Top" Orientation="Horizontal">
                         <TextBlock
                             Margin="{StaticResource SettingItemMargin}"
@@ -83,7 +56,7 @@
                             Style="{StaticResource ToolbarTextBlock}"
                             Text="{x:Static resx:ResUI.TbSettingsRemoteDNS}" />
                         <TextBlock
-                            Margin="8,0,0,0"
+                            Margin="{StaticResource SettingItemMargin}"
                             VerticalAlignment="Center"
                             Style="{StaticResource ToolbarTextBlock}">
                             <Hyperlink Click="linkDnsObjectDoc_Click">
@@ -93,12 +66,53 @@
                         </TextBlock>
                         <Button
                             x:Name="btnImportDefConfig4V2ray"
-                            Margin="8,0,0,0"
+                            Margin="{StaticResource SettingItemMargin}"
                             Content="{x:Static resx:ResUI.TbSettingDnsImportDefConfig}"
                             Cursor="Hand"
                             Style="{StaticResource DefButton}" />
                     </StackPanel>
 
+                    <WrapPanel DockPanel.Dock="Bottom" Orientation="Horizontal">
+                        <StackPanel Orientation="Horizontal">
+                            <TextBlock
+                                Margin="{StaticResource SettingItemMargin}"
+                                VerticalAlignment="Center"
+                                Style="{StaticResource ToolbarTextBlock}"
+                                Text="{x:Static resx:ResUI.TbSettingsUseSystemHosts}" />
+                            <ToggleButton
+                                x:Name="togUseSystemHosts"
+                                Margin="{StaticResource SettingItemMargin}"
+                                HorizontalAlignment="Left" />
+                        </StackPanel>
+
+                        <StackPanel Orientation="Horizontal">
+                            <TextBlock
+                                Margin="{StaticResource SettingItemMargin}"
+                                VerticalAlignment="Center"
+                                Style="{StaticResource ToolbarTextBlock}"
+                                Text="{x:Static resx:ResUI.TbSettingsDomainStrategy4Freedom}" />
+                            <ComboBox
+                                x:Name="cmbdomainStrategy4Freedom"
+                                Width="150"
+                                Margin="{StaticResource SettingItemMargin}"
+                                Style="{StaticResource DefComboBox}" />
+                        </StackPanel>
+
+                        <StackPanel Orientation="Horizontal">
+                            <TextBlock
+                                Margin="{StaticResource SettingItemMargin}"
+                                VerticalAlignment="Center"
+                                Style="{StaticResource ToolbarTextBlock}"
+                                Text="{x:Static resx:ResUI.TbSettingsDomainDNSAddress}" />
+                            <ComboBox
+                                x:Name="cmbdomainDNSAddress"
+                                Width="150"
+                                Margin="{StaticResource SettingItemMargin}"
+                                IsEditable="True"
+                                Style="{StaticResource DefComboBox}" />
+                        </StackPanel>
+                    </WrapPanel>
+
                     <TextBox
                         x:Name="txtnormalDNS"
                         Margin="{StaticResource SettingItemMargin}"
@@ -116,7 +130,7 @@
                 <DockPanel Margin="{StaticResource SettingItemMargin}">
                     <StackPanel DockPanel.Dock="Top" Orientation="Horizontal">
                         <TextBlock
-                            Margin="8,0,0,0"
+                            Margin="{StaticResource SettingItemMargin}"
                             VerticalAlignment="Center"
                             Style="{StaticResource ToolbarTextBlock}">
                             <Hyperlink Click="linkDnsSingboxObjectDoc_Click">
@@ -126,24 +140,40 @@
                         </TextBlock>
                         <Button
                             x:Name="btnImportDefConfig4Singbox"
-                            Margin="8,0,0,0"
+                            Margin="{StaticResource SettingItemMargin}"
                             Content="{x:Static resx:ResUI.TbSettingDnsImportDefConfig}"
                             Cursor="Hand"
                             Style="{StaticResource DefButton}" />
                     </StackPanel>
 
-                    <StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal">
+                    <WrapPanel DockPanel.Dock="Bottom" Orientation="Horizontal">
-                        <TextBlock
+                        <StackPanel Orientation="Horizontal">
-                            Margin="{StaticResource SettingItemMargin}"
+                            <TextBlock
-                            VerticalAlignment="Center"
+                                Margin="{StaticResource SettingItemMargin}"
-                            Style="{StaticResource ToolbarTextBlock}"
+                                VerticalAlignment="Center"
-                            Text="{x:Static resx:ResUI.TbSettingsDomainStrategy4Out}" />
+                                Style="{StaticResource ToolbarTextBlock}"
-                        <ComboBox
+                                Text="{x:Static resx:ResUI.TbSettingsDomainStrategy4Out}" />
-                            x:Name="cmbdomainStrategy4Out"
+                            <ComboBox
-                            Width="200"
+                                x:Name="cmbdomainStrategy4Out"
-                            Margin="{StaticResource SettingItemMargin}"
+                                Width="150"
-                            Style="{StaticResource DefComboBox}" />
+                                Margin="{StaticResource SettingItemMargin}"
-                    </StackPanel>
+                                Style="{StaticResource DefComboBox}" />
+                        </StackPanel>
+
+                        <StackPanel Orientation="Horizontal">
+                            <TextBlock
+                                Margin="{StaticResource SettingItemMargin}"
+                                VerticalAlignment="Center"
+                                Style="{StaticResource ToolbarTextBlock}"
+                                Text="{x:Static resx:ResUI.TbSettingsDomainDNSAddress}" />
+                            <ComboBox
+                                x:Name="cmbdomainDNSAddress2"
+                                Width="150"
+                                Margin="{StaticResource SettingItemMargin}"
+                                IsEditable="True"
+                                Style="{StaticResource DefComboBox}" />
+                        </StackPanel>
+                    </WrapPanel>
 
                     <Grid Margin="{StaticResource SettingItemMargin}">
                         <Grid.ColumnDefinitions>

v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs

@@ -28,13 +28,24 @@ namespace v2rayN.Views
             {
                 cmbdomainStrategy4Out.Items.Add(it);
             });
+            Global.DomainDNSAddress.ForEach(it =>
+            {
+                cmbdomainDNSAddress.Items.Add(it);
+            });
+            Global.SingboxDomainDNSAddress.ForEach(it =>
+            {
+                cmbdomainDNSAddress2.Items.Add(it);
+            });
 
             this.WhenActivated(disposables =>
             {
                 this.Bind(ViewModel, vm => vm.useSystemHosts, v => v.togUseSystemHosts.IsChecked).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.domainStrategy4Freedom, v => v.cmbdomainStrategy4Freedom.Text).DisposeWith(disposables);
+                this.Bind(ViewModel, vm => vm.domainDNSAddress, v => v.cmbdomainDNSAddress.Text).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.normalDNS, v => v.txtnormalDNS.Text).DisposeWith(disposables);
+
                 this.Bind(ViewModel, vm => vm.domainStrategy4Freedom2, v => v.cmbdomainStrategy4Out.Text).DisposeWith(disposables);
+                this.Bind(ViewModel, vm => vm.domainDNSAddress2, v => v.cmbdomainDNSAddress2.Text).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.normalDNS2, v => v.txtnormalDNS2.Text).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.tunDNS2, v => v.txttunDNS2.Text).DisposeWith(disposables);