Merge pull request #4464 from ShiinaRinne/host

feat: 支持导入系统hosts追加至dns设置

v2rayN/v2rayN/Handler/CoreConfigV2ray.cs

@@ -1,5 +1,7 @@
-using System.Net;
+using System.IO;
+using System.Net;
 using System.Net.NetworkInformation;
+using Newtonsoft.Json.Linq;
 using v2rayN.Base;
 using v2rayN.Mode;
 using v2rayN.Resx;
@@ -718,29 +720,50 @@ namespace v2rayN.Handler
                     outbound.settings.userLevel = 0;
                 }
 
-                var obj = Utils.ParseJson(normalDNS);
+                var obj = Utils.ParseJson(normalDNS) ?? new JObject();
-                if (obj?.ContainsKey("servers") == true)
+                
-                {
+                if (!obj.ContainsKey("servers"))
-                    v2rayConfig.dns = obj;
-                }
-                else
                 {
                     List<string> servers = new();
-
                     string[] arrDNS = normalDNS.Split(',');
                     foreach (string str in arrDNS)
                     {
-                        //if (Utils.IsIP(str))
-                        //{
                         servers.Add(str);
-                        //}
                     }
-                    //servers.Add("localhost");
+                    obj["servers"] = JArray.FromObject(servers);
-                    v2rayConfig.dns = new Mode.Dns4Ray
-                    {
-                        servers = servers
-                    };
                 }
+                
+                if (item.useSystemHosts)
+                {
+                    var hostfile = @"C:\Windows\System32\drivers\etc\hosts" ;
+
+                    if (File.Exists(hostfile))
+                    {
+                        var hosts = File.ReadAllText(hostfile).Replace("\r", "");
+                        var hostsList = hosts.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
+                        
+                        // 获取系统hosts
+                        var systemHosts = new Dictionary<string, string>();
+                        foreach (var host in hostsList)
+                        {
+                            if (host.StartsWith("#")) continue;
+                            var hostItem = host.Split(new[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
+                            if (hostItem.Length < 2) continue;
+                            systemHosts.Add(hostItem[1], hostItem[0]);
+                        }
+                        
+                        // 追加至 dns 设置
+                        var normalHost = obj["hosts"] ?? new JObject();
+                        foreach (var host in systemHosts)
+                        {
+                            if (normalHost[host.Key] != null) continue;
+                            normalHost[host.Key] = host.Value;
+                        }
+                        obj["hosts"] = normalHost;
+                    }
+                }
+                
+                v2rayConfig.dns = obj;
             }
             catch (Exception ex)
             {

v2rayN/v2rayN/Mode/DNSItem.cs

@@ -11,6 +11,7 @@ namespace v2rayN.Mode
         public string remarks { get; set; }
         public bool enabled { get; set; } = true;
         public ECoreType coreType { get; set; }
+        public bool useSystemHosts { get; set; } = true;
         public string? normalDNS { get; set; }
         public string? tunDNS { get; set; }
         public string? domainStrategy4Freedom { get; set; }

v2rayN/v2rayN/Resx/ResUI.resx

@@ -1120,7 +1120,7 @@
   <data name="TbDnsSingboxObjectDoc" xml:space="preserve">
     <value>Please fill in DNS Structure, Click to view the document</value>
   </data>
-  <data name="TBSettingDnsImportDefConfig" xml:space="preserve">
+  <data name="TbSettingDnsImportDefConfig" xml:space="preserve">
     <value>Click to import default DNS config</value>
   </data>
   <data name="TbdomainStrategy4Singbox" xml:space="preserve">
@@ -1144,4 +1144,7 @@
   <data name="TbSettingsHysteriaBandwidth" xml:space="preserve">
     <value>Hysteria Max bandwidth (Up/Dw)</value>
   </data>
+  <data name="TbSettingsUseSystemHosts" xml:space="preserve">
+    <value>Use System Hosts</value>
+  </data>
 </root>

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

@@ -1117,7 +1117,7 @@
   <data name="TbDnsSingboxObjectDoc" xml:space="preserve">
     <value>请填写 DNS JSON 结构，点击查看文档</value>
   </data>
-  <data name="TBSettingDnsImportDefConfig" xml:space="preserve">
+  <data name="TbSettingDnsImportDefConfig" xml:space="preserve">
     <value>点击导入默认DNS配置</value>
   </data>
   <data name="TbdomainStrategy4Singbox" xml:space="preserve">
@@ -1141,4 +1141,7 @@
   <data name="TbSettingsHysteriaBandwidth" xml:space="preserve">
     <value>Hysteria 最大带宽(Up/Dw)</value>
   </data>
+  <data name="TbSettingsUseSystemHosts" xml:space="preserve">
+    <value>使用系统hosts</value>
+  </data>
 </root>

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

@@ -1117,7 +1117,7 @@
   <data name="TbDnsSingboxObjectDoc" xml:space="preserve">
     <value>請填寫 DNS JSON 結構，點擊查看文件</value>
   </data>
-  <data name="TBSettingDnsImportDefConfig" xml:space="preserve">
+  <data name="TbSettingDnsImportDefConfig" xml:space="preserve">
     <value>點擊匯入預設DNS配置</value>
   </data>
   <data name="TbdomainStrategy4Singbox" xml:space="preserve">

v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs

@@ -15,6 +15,7 @@ namespace v2rayN.ViewModels
         private NoticeHandler? _noticeHandler;
         private Window _view;
 
+        [Reactive] public bool useSystemHosts { get; set; }
         [Reactive] public string domainStrategy4Freedom { get; set; }
         [Reactive] public string normalDNS { get; set; }
         [Reactive] public string normalDNS2 { get; set; }
@@ -31,6 +32,7 @@ namespace v2rayN.ViewModels
             _view = view;
 
             var item = LazyConfig.Instance.GetDNSItem(ECoreType.Xray);
+            useSystemHosts = item.useSystemHosts;
             domainStrategy4Freedom = item?.domainStrategy4Freedom!;
             normalDNS = item?.normalDNS!;
 
@@ -95,6 +97,7 @@ namespace v2rayN.ViewModels
 
             var item = LazyConfig.Instance.GetDNSItem(ECoreType.Xray);
             item.domainStrategy4Freedom = domainStrategy4Freedom;
+            item.useSystemHosts = useSystemHosts;
             item.normalDNS = normalDNS;
             ConfigHandler.SaveDNSItems(_config, item);
 

v2rayN/v2rayN/Views/DNSSettingWindow.xaml

@@ -81,11 +81,25 @@
                         <Button
                             x:Name="btnImportDefConfig4V2ray"
                             Margin="8,0,0,0"
-                            Content="{x:Static resx:ResUI.TBSettingDnsImportDefConfig}"
+                            Content="{x:Static resx:ResUI.TbSettingDnsImportDefConfig}"
                             Cursor="Hand"
                             Style="{StaticResource DefButton}" />
                     </StackPanel>
                     
+                    <StackPanel DockPanel.Dock="Top" 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>
+
                     <TextBox
                         x:Name="txtnormalDNS"
                         Margin="{StaticResource SettingItemMargin}"
@@ -113,7 +127,7 @@
                         <Button
                             x:Name="btnImportDefConfig4Singbox"
                             Margin="8,0,0,0"
-                            Content="{x:Static resx:ResUI.TBSettingDnsImportDefConfig}"
+                            Content="{x:Static resx:ResUI.TbSettingDnsImportDefConfig}"
                             Cursor="Hand"
                             Style="{StaticResource DefButton}" />
                     </StackPanel>

v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs

@@ -37,6 +37,7 @@ namespace v2rayN.Views
 
             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.normalDNS, v => v.txtnormalDNS.Text).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.normalDNS2, v => v.txtnormalDNS2.Text).DisposeWith(disposables);