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@ -1,99 +1,17 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project Sdk="Microsoft.NET.Sdk">
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<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{CAA93B33-C1F4-46AE-ABD8-3802BCB6CB5F}</ProjectGuid>
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<OutputType>WinExe</OutputType>
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<OutputType>WinExe</OutputType>
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||||||
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<TargetFramework>net6.0-windows</TargetFramework>
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<UseWindowsForms>true</UseWindowsForms>
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||||||
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<GenerateAssemblyInfo>false</GenerateAssemblyInfo>
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<RootNamespace>EonaCat.DnsTester</RootNamespace>
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<RootNamespace>EonaCat.DnsTester</RootNamespace>
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<AssemblyName>EonaCat.DnsTester</AssemblyName>
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<AssemblyName>EonaCat.DnsTester</AssemblyName>
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<TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<Deterministic>true</Deterministic>
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<TargetFrameworkProfile />
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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||||||
<OutputPath>bin\Release\</OutputPath>
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||||||
<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup>
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<ApplicationIcon>EonaCat.ico</ApplicationIcon>
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<ApplicationIcon>EonaCat.ico</ApplicationIcon>
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</PropertyGroup>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Design" />
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<Reference Include="System.Runtime.Serialization.Formatters.Soap" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Deployment" />
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<Reference Include="System.Drawing" />
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<Reference Include="System.Net.Http" />
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<Reference Include="System.Windows.Forms" />
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<Reference Include="System.Xml" />
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<Reference Include="UIAutomationProvider" />
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<Reference Include="UIAutomationTypes" />
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<Reference Include="WindowsBase" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="MainForm.cs">
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<SubType>Form</SubType>
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</Compile>
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<Compile Include="MainForm.Designer.cs">
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<DependentUpon>MainForm.cs</DependentUpon>
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</Compile>
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<Compile Include="Program.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<EmbeddedResource Include="MainForm.resx">
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<DependentUpon>MainForm.cs</DependentUpon>
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</EmbeddedResource>
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<EmbeddedResource Include="Properties\Resources.resx">
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<Generator>ResXFileCodeGenerator</Generator>
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<LastGenOutput>Resources.Designer.cs</LastGenOutput>
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<SubType>Designer</SubType>
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</EmbeddedResource>
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<Compile Include="Properties\Resources.Designer.cs">
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<AutoGen>True</AutoGen>
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<DependentUpon>Resources.resx</DependentUpon>
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<DesignTime>True</DesignTime>
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</Compile>
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<None Include="packages.config" />
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<None Include="Properties\Settings.settings">
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<Generator>SettingsSingleFileGenerator</Generator>
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<LastGenOutput>Settings.Designer.cs</LastGenOutput>
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</None>
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<Compile Include="Properties\Settings.Designer.cs">
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<AutoGen>True</AutoGen>
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<DependentUpon>Settings.settings</DependentUpon>
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<DesignTimeSharedInput>True</DesignTimeSharedInput>
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</Compile>
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</ItemGroup>
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<ItemGroup>
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<None Include="App.config" />
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</ItemGroup>
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<ItemGroup>
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<ItemGroup>
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<Content Include="EonaCat.ico" />
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<Content Include="EonaCat.ico" />
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<Content Include="Servers.xml">
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<CopyToOutputDirectory>Always</CopyToOutputDirectory>
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</Content>
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</ItemGroup>
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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</Project>
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</Project>
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@ -0,0 +1,118 @@
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using Microsoft.VisualBasic.Logging;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace EonaCat.DnsTester.Helpers
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{
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internal class DnsHelper
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{
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public static event EventHandler<string> Log;
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public static void ProcessDns(string startOfUrl, string domain, int urlsTotal, Socket dnsSocket, byte[] bytesSend,
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long startTime, int totalDnsToUse, ListView result)
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{
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var bytesReceived = new byte[512];
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var totalReceived = 0;
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// wait for a response up to timeout
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while (totalReceived < urlsTotal * totalDnsToUse)
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{
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dnsSocket.Receive(bytesReceived);
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// Check if the error is ours
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if ((bytesReceived[0] != bytesSend[0] || bytesReceived[1] != 0x31) &&
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bytesReceived[1] != 0x32)
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continue;
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if (bytesReceived[2] != 0x81 || bytesReceived[3] != 0x80) continue;
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// Get the time now
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var stopTime = DateTime.Now.Ticks;
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var deltaTime = Convert.ToString((double)(stopTime - startTime) / 10000000);
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// Decode the answers
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// Find the URL that was returned
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int dnsId = bytesReceived[1];
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var receiveString = Encoding.ASCII.GetString(bytesReceived);
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var index = 12;
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int startOfUrlLength = bytesReceived[index];
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index++;
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startOfUrl = receiveString.Substring(index, startOfUrlLength);
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index += startOfUrlLength;
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int domainLength = bytesReceived[index];
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index++;
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domain = receiveString.Substring(index, domainLength);
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index += domainLength;
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index += 8;
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// Get the record type
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int ResponseType = bytesReceived[index];
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index += 9;
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// Get the IP address if applicable
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var ipResponse = "";
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switch (ResponseType)
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{
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case 1:
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ipResponse =
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$"{Convert.ToString(bytesReceived[index])}.{Convert.ToString(bytesReceived[index + 1])}.{Convert.ToString(bytesReceived[index + 2])}.{Convert.ToString(bytesReceived[index + 3])}";
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break;
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case 5:
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ipResponse = "CNAME";
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break;
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case 6:
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ipResponse = "SOA";
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break;
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}
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SetStatus($"Answer: {startOfUrl}.{domain} : {ipResponse}");
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// Find the url in the list
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for (int i = 0; i < result.Items.Count; i++)
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{
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if (result.Items[i].Text != $"{startOfUrl}.{domain}") continue;
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string sDeltaTime;
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switch (dnsId)
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{
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case 49:
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result.Items[i].SubItems[1].Text = Convert.ToString(ipResponse);
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sDeltaTime = Convert.ToString(deltaTime);
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result.Items[i].SubItems[2].Text =
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sDeltaTime.Length > 5 ? sDeltaTime.Substring(0, 5) : sDeltaTime;
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result.Items[i].ForeColor = System.Drawing.Color.Red;
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result.EnsureVisible(i);
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result.Update();
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Application.DoEvents();
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result.Items[i].ForeColor = System.Drawing.Color.Black;
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break;
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case 50:
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result.Items[i].SubItems[3].Text = Convert.ToString(ipResponse);
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sDeltaTime = Convert.ToString(deltaTime);
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result.Items[i].SubItems[4].Text =
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sDeltaTime.Length > 5 ? sDeltaTime.Substring(0, 5) : sDeltaTime;
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result.Items[i].ForeColor = System.Drawing.Color.Red;
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result.EnsureVisible(i);
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result.Update();
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Application.DoEvents();
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result.Items[i].ForeColor = System.Drawing.Color.Black;
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break;
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}
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totalReceived++;
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}
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}
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}
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private static void SetStatus(string text)
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{
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Log?.Invoke(null, text);
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}
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}
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}
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@ -0,0 +1,97 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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namespace EonaCat.DnsTester.Helpers
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{
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internal class UrlHelper
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{
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private static readonly RandomNumberGenerator _randomNumberGenerator = RandomNumberGenerator.Create();
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public static event EventHandler<string> Log;
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public static void GetRandomUrls(ref List<string> urlList, int totalUrls)
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{
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// Generate a cryptographically strong random string
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byte[] randomBytes = new byte[32];
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_randomNumberGenerator.GetBytes(randomBytes);
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string letters = Convert.ToBase64String(randomBytes);
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Dictionary<string, string> searchEngineUrls = new Dictionary<string, string>
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{
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{ "Yahoo", "https://search.yahoo.com/search?p=" },
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{ "Bing", "https://www.bing.com/search?q=" },
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{ "Google", "https://www.google.com/search?q=" },
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{ "Ask", "https://www.ask.com/web?q=" },
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{ "WolframAlpha", "https://www.wolframalpha.com/input/?i=" },
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{ "StartPage", "https://www.startpage.com/do/dsearch?query=" },
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{ "Yandex", "https://www.yandex.com/search/?text=" },
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{ "Qwant", "https://www.qwant.com/?q=" }
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};
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Random rand = new Random();
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List<string> localCleanNames = urlList;
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while (localCleanNames.Count < totalUrls)
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{
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int index = rand.Next(searchEngineUrls.Count);
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KeyValuePair<string, string> searchEngine = searchEngineUrls.ElementAt(index);
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string url = searchEngine.Value + letters;
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try
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{
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using (var client = new WebClient())
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{
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string responseString = client.DownloadString(url);
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// find all .xxx.com addresses
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MatchCollection hostNames = Regex.Matches(responseString, @"[.](\w+[.]com)");
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// Loop through the match collection to retrieve all matches and delete the leading "."
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HashSet<string> uniqueNames = new HashSet<string>();
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foreach (Match match in hostNames)
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{
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string name = match.Groups[1].Value;
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if (name != $"{searchEngine.Key.ToLower()}.com")
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{
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uniqueNames.Add(name);
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}
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}
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// Add the names to the list
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foreach (string name in uniqueNames)
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{
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if (localCleanNames.Count >= totalUrls)
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{
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break;
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}
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if (!localCleanNames.Contains(name))
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{
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localCleanNames.Add(name);
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||||||
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}
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||||||
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}
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||||||
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}
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||||||
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}
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catch (Exception ex)
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||||||
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{
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SetStatus($"{searchEngine.Key}: {ex.Message}");
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||||||
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}
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||||||
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}
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urlList = localCleanNames; // Update the reference to the list
|
||||||
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SetStatus($"{urlList.Count} Random URL's found");
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||||||
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}
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||||||
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||||||
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private static void SetStatus(string text)
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||||||
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{
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||||||
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Log?.Invoke(null, text);
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||||||
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}
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||||||
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}
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}
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@ -38,8 +38,8 @@
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this.RunTest = new System.Windows.Forms.Button();
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this.RunTest = new System.Windows.Forms.Button();
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this.lblDns1 = new System.Windows.Forms.Label();
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this.lblDns1 = new System.Windows.Forms.Label();
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this.lblDns2 = new System.Windows.Forms.Label();
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this.lblDns2 = new System.Windows.Forms.Label();
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this.DnsList1 = new System.Windows.Forms.ComboBox();
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this.dnsList1 = new System.Windows.Forms.ComboBox();
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this.DnsList2 = new System.Windows.Forms.ComboBox();
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this.dnsList2 = new System.Windows.Forms.ComboBox();
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||||||
this.UseCustomServers = new System.Windows.Forms.CheckBox();
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this.UseCustomServers = new System.Windows.Forms.CheckBox();
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||||||
this.lblCustom1 = new System.Windows.Forms.Label();
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this.lblCustom1 = new System.Windows.Forms.Label();
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||||||
this.lblCustom2 = new System.Windows.Forms.Label();
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this.lblCustom2 = new System.Windows.Forms.Label();
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@ -139,25 +139,25 @@
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this.lblDns2.TabIndex = 14;
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this.lblDns2.TabIndex = 14;
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||||||
this.lblDns2.Text = "Dns 2:";
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this.lblDns2.Text = "Dns 2:";
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||||||
//
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//
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||||||
// DnsList1
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// dnsList1
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||||||
//
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//
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||||||
this.DnsList1.FormattingEnabled = true;
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this.dnsList1.FormattingEnabled = true;
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||||||
this.DnsList1.ItemHeight = 31;
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this.dnsList1.ItemHeight = 31;
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||||||
this.DnsList1.Location = new System.Drawing.Point(277, 155);
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this.dnsList1.Location = new System.Drawing.Point(277, 155);
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||||||
this.DnsList1.Margin = new System.Windows.Forms.Padding(8, 7, 8, 7);
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this.dnsList1.Margin = new System.Windows.Forms.Padding(8, 7, 8, 7);
|
||||||
this.DnsList1.Name = "DnsList1";
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this.dnsList1.Name = "dnsList1";
|
||||||
this.DnsList1.Size = new System.Drawing.Size(756, 39);
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this.dnsList1.Size = new System.Drawing.Size(756, 39);
|
||||||
this.DnsList1.TabIndex = 15;
|
this.dnsList1.TabIndex = 15;
|
||||||
//
|
//
|
||||||
// DnsList2
|
// dnsList2
|
||||||
//
|
//
|
||||||
this.DnsList2.FormattingEnabled = true;
|
this.dnsList2.FormattingEnabled = true;
|
||||||
this.DnsList2.ItemHeight = 31;
|
this.dnsList2.ItemHeight = 31;
|
||||||
this.DnsList2.Location = new System.Drawing.Point(1229, 155);
|
this.dnsList2.Location = new System.Drawing.Point(1229, 155);
|
||||||
this.DnsList2.Margin = new System.Windows.Forms.Padding(8, 7, 8, 7);
|
this.dnsList2.Margin = new System.Windows.Forms.Padding(8, 7, 8, 7);
|
||||||
this.DnsList2.Name = "DnsList2";
|
this.dnsList2.Name = "dnsList2";
|
||||||
this.DnsList2.Size = new System.Drawing.Size(788, 39);
|
this.dnsList2.Size = new System.Drawing.Size(788, 39);
|
||||||
this.DnsList2.TabIndex = 16;
|
this.dnsList2.TabIndex = 16;
|
||||||
//
|
//
|
||||||
// UseCustomServers
|
// UseCustomServers
|
||||||
//
|
//
|
||||||
|
|
@ -366,8 +366,8 @@
|
||||||
this.Controls.Add(this.lblCustom2);
|
this.Controls.Add(this.lblCustom2);
|
||||||
this.Controls.Add(this.lblCustom1);
|
this.Controls.Add(this.lblCustom1);
|
||||||
this.Controls.Add(this.UseCustomServers);
|
this.Controls.Add(this.UseCustomServers);
|
||||||
this.Controls.Add(this.DnsList2);
|
this.Controls.Add(this.dnsList2);
|
||||||
this.Controls.Add(this.DnsList1);
|
this.Controls.Add(this.dnsList1);
|
||||||
this.Controls.Add(this.lblDns2);
|
this.Controls.Add(this.lblDns2);
|
||||||
this.Controls.Add(this.lblDns1);
|
this.Controls.Add(this.lblDns1);
|
||||||
this.Controls.Add(this.RunTest);
|
this.Controls.Add(this.RunTest);
|
||||||
|
|
@ -396,8 +396,8 @@
|
||||||
private System.Windows.Forms.Button RunTest;
|
private System.Windows.Forms.Button RunTest;
|
||||||
private System.Windows.Forms.Label lblDns1;
|
private System.Windows.Forms.Label lblDns1;
|
||||||
private System.Windows.Forms.Label lblDns2;
|
private System.Windows.Forms.Label lblDns2;
|
||||||
private System.Windows.Forms.ComboBox DnsList1;
|
private System.Windows.Forms.ComboBox dnsList1;
|
||||||
private System.Windows.Forms.ComboBox DnsList2;
|
private System.Windows.Forms.ComboBox dnsList2;
|
||||||
private System.Windows.Forms.CheckBox UseCustomServers;
|
private System.Windows.Forms.CheckBox UseCustomServers;
|
||||||
private System.Windows.Forms.Label lblCustom1;
|
private System.Windows.Forms.Label lblCustom1;
|
||||||
private System.Windows.Forms.Label lblCustom2;
|
private System.Windows.Forms.Label lblCustom2;
|
||||||
|
|
|
||||||
|
|
@ -6,18 +6,20 @@ using System.Linq;
|
||||||
using System.Net;
|
using System.Net;
|
||||||
using System.Net.Sockets;
|
using System.Net.Sockets;
|
||||||
using System.Security.Cryptography;
|
using System.Security.Cryptography;
|
||||||
|
using System.Security.Policy;
|
||||||
using System.Text;
|
using System.Text;
|
||||||
using System.Text.RegularExpressions;
|
using System.Text.RegularExpressions;
|
||||||
using System.Threading.Tasks;
|
using System.Threading.Tasks;
|
||||||
using System.Windows.Forms;
|
using System.Windows.Forms;
|
||||||
using System.Windows.Threading;
|
using EonaCat.DnsTester.Helpers;
|
||||||
|
|
||||||
namespace EonaCat.DnsTester
|
namespace EonaCat.DnsTester
|
||||||
{
|
{
|
||||||
public partial class MainForm : Form
|
public partial class MainForm : Form
|
||||||
{
|
{
|
||||||
private bool UseCustomDnsServers = false;
|
private bool useCustomDnsServers;
|
||||||
public string DNS1, DNS2;
|
private string _dnsServer1, _dnsServer2;
|
||||||
|
private int _dnsTotalChecked;
|
||||||
|
|
||||||
public bool IsRunning { get; private set; }
|
public bool IsRunning { get; private set; }
|
||||||
|
|
||||||
|
|
@ -28,460 +30,269 @@ namespace EonaCat.DnsTester
|
||||||
|
|
||||||
private void RunTest_Click(object sender, EventArgs e)
|
private void RunTest_Click(object sender, EventArgs e)
|
||||||
{
|
{
|
||||||
int i;
|
List<string> urls = new List<string>();
|
||||||
List<string> CleanNames = new List<string>();
|
SetupUrls(urls);
|
||||||
|
|
||||||
if (this.UseCustomDnsServers)
|
if (IsRunning)
|
||||||
{
|
{
|
||||||
if (chkDns1.Checked)
|
return;
|
||||||
{
|
}
|
||||||
DNS1 = CustomDns1.Text;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (chkDns2.Checked)
|
IsRunning = true;
|
||||||
{
|
Process(urls.ToArray(), _dnsServer1, _dnsServer2);
|
||||||
DNS2 = CustomDns2.Text;
|
IsRunning = false;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
private void SetupUrls(List<string> urls)
|
||||||
|
{
|
||||||
|
if (useCustomDnsServers)
|
||||||
|
{
|
||||||
|
_dnsTotalChecked = 0;
|
||||||
|
if (chkDns1.Checked)
|
||||||
|
{
|
||||||
|
_dnsTotalChecked++;
|
||||||
|
_dnsServer1 = CustomDns1.Text;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (chkDns2.Checked)
|
||||||
|
{
|
||||||
|
_dnsTotalChecked++;
|
||||||
|
_dnsServer2 = CustomDns2.Text;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
if (chkDns1.Checked)
|
_dnsTotalChecked = 0;
|
||||||
{
|
if (chkDns1.Checked)
|
||||||
DNS1 = DnsList1.SelectedValue.ToString();
|
{
|
||||||
}
|
_dnsTotalChecked++;
|
||||||
|
_dnsServer1 = dnsList1.SelectedValue.ToString();
|
||||||
|
}
|
||||||
|
|
||||||
if (chkDns2.Checked)
|
if (chkDns2.Checked)
|
||||||
{
|
{
|
||||||
DNS2 = DnsList2.SelectedValue.ToString();
|
_dnsTotalChecked++;
|
||||||
}
|
_dnsServer2 = dnsList2.SelectedValue.ToString();
|
||||||
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
ResultView.Items.Clear();
|
ResultView.Items.Clear();
|
||||||
ResultView.Update();
|
ResultView.Update();
|
||||||
Application.DoEvents();
|
Application.DoEvents();
|
||||||
|
|
||||||
GetWebAddresses(ref CleanNames, (int)numericUpDown1.Value);
|
UrlHelper.Log += UrlHelper_Log;
|
||||||
|
UrlHelper.GetRandomUrls(ref urls, (int)numericUpDown1.Value);
|
||||||
for (i = 0; i < CleanNames.Count; i++)
|
AddUrlToView(urls);
|
||||||
{
|
|
||||||
ListViewItem listURL = new ListViewItem(CleanNames[i]);
|
|
||||||
listURL.SubItems.Add(" ");
|
|
||||||
listURL.SubItems.Add(" ");
|
|
||||||
listURL.SubItems.Add(" ");
|
|
||||||
listURL.SubItems.Add(" ");
|
|
||||||
|
|
||||||
ResultView.Items.Add(listURL);
|
|
||||||
}
|
|
||||||
if (ResultView.Items.Count > 1)
|
|
||||||
{
|
|
||||||
ResultView.EnsureVisible(ResultView.Items.Count - 1);
|
|
||||||
}
|
|
||||||
|
|
||||||
ResultView.Update();
|
|
||||||
Application.DoEvents();
|
|
||||||
|
|
||||||
if (IsRunning)
|
|
||||||
{
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
IsRunning = true;
|
|
||||||
CheckDNS(CleanNames.ToArray(), CleanNames.Count, DNS1, DNS2);
|
|
||||||
IsRunning = false;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
private void TesterUI_Load(object sender, EventArgs e)
|
|
||||||
{
|
|
||||||
FillDnsList();
|
|
||||||
}
|
}
|
||||||
|
|
||||||
private void FillDnsList()
|
private void UrlHelper_Log(object sender, string e)
|
||||||
{
|
{
|
||||||
DnsList1.ValueMember = "ip";
|
SetStatus(e);
|
||||||
DnsList1.DisplayMember = "name";
|
}
|
||||||
|
|
||||||
DnsList2.ValueMember = "ip";
|
private void AddUrlToView(List<string> urls)
|
||||||
DnsList2.DisplayMember = "name";
|
{
|
||||||
|
foreach (var currentUrl in urls)
|
||||||
|
{
|
||||||
|
ListViewItem listURL = new ListViewItem(currentUrl);
|
||||||
|
listURL.SubItems.Add(" ");
|
||||||
|
listURL.SubItems.Add(" ");
|
||||||
|
listURL.SubItems.Add(" ");
|
||||||
|
listURL.SubItems.Add(" ");
|
||||||
|
|
||||||
|
ResultView.Items.Add(listURL);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (ResultView.Items.Count > 1)
|
||||||
|
{
|
||||||
|
ResultView.EnsureVisible(ResultView.Items.Count - 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
ResultView.Update();
|
||||||
|
Application.DoEvents();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
private void TesterUI_Load(object sender, EventArgs e)
|
||||||
|
{
|
||||||
|
PopulateDnsLists();
|
||||||
|
}
|
||||||
|
|
||||||
|
private void PopulateDnsLists()
|
||||||
|
{
|
||||||
|
dnsList1.ValueMember = "ip";
|
||||||
|
dnsList1.DisplayMember = "name";
|
||||||
|
|
||||||
|
dnsList2.ValueMember = "ip";
|
||||||
|
dnsList2.DisplayMember = "name";
|
||||||
|
|
||||||
|
var serverList = Path.Combine(Application.StartupPath, "Servers.xml");
|
||||||
DataSet servers1 = new DataSet();
|
DataSet servers1 = new DataSet();
|
||||||
DataSet servers2 = new DataSet();
|
DataSet servers2 = new DataSet();
|
||||||
servers1.ReadXml(Path.Combine(Application.StartupPath, "Servers.xml"));
|
servers1.ReadXml(serverList);
|
||||||
servers2.ReadXml(Path.Combine(Application.StartupPath, "Servers.xml"));
|
servers2.ReadXml(serverList);
|
||||||
DataTable ns1 = servers1.Tables[0];
|
|
||||||
DataTable ns2 = servers2.Tables[0];
|
|
||||||
DnsList1.DataSource = ns1;
|
|
||||||
DnsList2.DataSource = ns2;
|
|
||||||
|
|
||||||
|
DataTable dataTable1 = servers1.Tables[0];
|
||||||
|
DataTable dataTable2 = servers2.Tables[0];
|
||||||
|
dnsList1.DataSource = dataTable1;
|
||||||
|
dnsList2.DataSource = dataTable2;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
private void UseCustomServers_CheckedChanged(object sender, EventArgs e)
|
private void UseCustomServers_CheckedChanged(object sender, EventArgs e)
|
||||||
{
|
{
|
||||||
this.UseCustomDnsServers = UseCustomServers.Checked;
|
useCustomDnsServers = UseCustomServers.Checked;
|
||||||
SetUI();
|
SetUI();
|
||||||
}
|
}
|
||||||
|
|
||||||
private void SetUI()
|
private void SetUI()
|
||||||
{
|
{
|
||||||
if (this.UseCustomDnsServers)
|
if (useCustomDnsServers)
|
||||||
{
|
{
|
||||||
this.DnsList1.Enabled = false;
|
dnsList1.Enabled = false;
|
||||||
this.DnsList2.Enabled = false;
|
dnsList2.Enabled = false;
|
||||||
|
|
||||||
this.CustomDns1.Enabled = true;
|
CustomDns1.Enabled = true;
|
||||||
this.CustomDns2.Enabled = true;
|
CustomDns2.Enabled = true;
|
||||||
|
|
||||||
this.CustomDns1.Visible = true;
|
CustomDns1.Visible = true;
|
||||||
this.CustomDns2.Visible = true;
|
CustomDns2.Visible = true;
|
||||||
this.lblCustom1.Visible = true;
|
lblCustom1.Visible = true;
|
||||||
this.lblCustom2.Visible = true;
|
lblCustom2.Visible = true;
|
||||||
|
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
this.DnsList1.Enabled = true;
|
dnsList1.Enabled = true;
|
||||||
this.DnsList2.Enabled = true;
|
dnsList2.Enabled = true;
|
||||||
this.CustomDns1.Enabled = false; ;
|
CustomDns1.Enabled = false;
|
||||||
this.CustomDns2.Enabled = false;
|
CustomDns2.Enabled = false;
|
||||||
|
|
||||||
this.CustomDns1.Visible = false;
|
CustomDns1.Visible = false;
|
||||||
this.CustomDns2.Visible = false;
|
CustomDns2.Visible = false;
|
||||||
this.lblCustom1.Visible = false;
|
lblCustom1.Visible = false;
|
||||||
this.lblCustom2.Visible = false;
|
lblCustom2.Visible = false;
|
||||||
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
private void Process(string[] urls, string dnsAddress1, string dnsAddress2)
|
||||||
private void GetWebAddresses(ref List<string> CleanNames, int totalUrls)
|
|
||||||
{
|
|
||||||
int i, j;
|
|
||||||
byte[] random = new Byte[256];
|
|
||||||
string Letters = "";
|
|
||||||
// Make a 3 letter random string
|
|
||||||
|
|
||||||
//RNGCryptoServiceProvider is an implementation of a random number generator.
|
|
||||||
RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
|
|
||||||
rng.GetBytes(random); // The array is now filled with cryptographically strong random bytes.
|
|
||||||
for (i = 1; i < 256; i++)
|
|
||||||
{
|
|
||||||
// Just take the first three letters
|
|
||||||
if (random[i] > 0x40 && random[i] < 0x5b) Letters = Letters + Convert.ToChar(random[i]);
|
|
||||||
if (Letters.Length == 3) break;
|
|
||||||
}
|
|
||||||
|
|
||||||
KeyValuePair<string, string> searchEngine = new KeyValuePair<string, string>();
|
|
||||||
Random rand = new Random();
|
|
||||||
|
|
||||||
// Create a list of search engine URLs to query
|
|
||||||
Dictionary<string, string> searchEngineUrls = new Dictionary<string, string>
|
|
||||||
{
|
|
||||||
{ "DuckDuckGo", "https://duckduckgo.com/html/?q=" },
|
|
||||||
{ "Yahoo", "https://search.yahoo.com/search?p=" },
|
|
||||||
{ "Bing", "https://www.bing.com/search?q=" },
|
|
||||||
{ "Google", "https://www.google.com/search?q=" },
|
|
||||||
{ "Ask", "https://www.ask.com/web?q=" },
|
|
||||||
{ "AOL", "https://www.aol.com/search?q=" },
|
|
||||||
{ "WolframAlpha", "https://www.wolframalpha.com/input/?i=" },
|
|
||||||
{ "StartPage", "https://www.startpage.com/do/dsearch?query=" },
|
|
||||||
{ "Yandex", "https://www.yandex.com/search/?text=" },
|
|
||||||
{ "Qwant", "https://www.qwant.com/?q=" }
|
|
||||||
};
|
|
||||||
|
|
||||||
try
|
|
||||||
{
|
|
||||||
while (CleanNames.Count < totalUrls)
|
|
||||||
{
|
|
||||||
int index = rand.Next(searchEngineUrls.Count);
|
|
||||||
searchEngine = searchEngineUrls.ElementAt(index);
|
|
||||||
|
|
||||||
WebRequest Request = WebRequest.Create(searchEngine.Value + Letters); //Letters);
|
|
||||||
WebResponse Response = Request.GetResponse();
|
|
||||||
Application.DoEvents();
|
|
||||||
|
|
||||||
// Get the response stream.
|
|
||||||
Stream Stream = Response.GetResponseStream();
|
|
||||||
StatusBoxPrint(searchEngine.Key + " response received");
|
|
||||||
|
|
||||||
StreamReader StreamReader = new StreamReader(Stream, Encoding.ASCII);
|
|
||||||
string ResponseString = StreamReader.ReadToEnd();
|
|
||||||
|
|
||||||
// Close the response stream and response to free resources.
|
|
||||||
Stream.Close();
|
|
||||||
Response.Close();
|
|
||||||
Application.DoEvents();
|
|
||||||
|
|
||||||
// find all .xxx.com addresses
|
|
||||||
MatchCollection HostNames;
|
|
||||||
string[] Names = new string[totalUrls + 1000];
|
|
||||||
|
|
||||||
// Create a new Regex object and define the regular expression.
|
|
||||||
Regex Dotcom = new Regex("[.]([A-Za-z]*)[.]com");
|
|
||||||
|
|
||||||
|
|
||||||
// Use the Matches method to find all matches in the input string.
|
|
||||||
HostNames = Dotcom.Matches(ResponseString);
|
|
||||||
|
|
||||||
Application.DoEvents();
|
|
||||||
|
|
||||||
// Loop through the match collection to retrieve all
|
|
||||||
// matches and delete the leading "."
|
|
||||||
for (i = 0; i < HostNames.Count; i++)
|
|
||||||
{
|
|
||||||
Names[i] = HostNames[i].Value.Remove(0, 1);
|
|
||||||
}
|
|
||||||
|
|
||||||
// eliminate its own search engine names and repeated entries
|
|
||||||
for (i = 0; i < HostNames.Count - 1; i++)
|
|
||||||
{
|
|
||||||
if (Names[i] == searchEngine.Key.ToLower() + ".com") Names[i] = "";
|
|
||||||
for (j = i + 1; j < HostNames.Count; j++)
|
|
||||||
{
|
|
||||||
if (Names[i] == Names[j]) Names[j] = "";
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
Shuffle(Names);
|
|
||||||
|
|
||||||
// Add the names to the list
|
|
||||||
for (i = 0; i < HostNames.Count; i++)
|
|
||||||
{
|
|
||||||
if (CleanNames.Count >= totalUrls)
|
|
||||||
{
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!string.IsNullOrEmpty(Names[i]) && !CleanNames.Contains(Names[i]))
|
|
||||||
{
|
|
||||||
CleanNames.Add(Names[i]);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
StatusBoxPrint(CleanNames.Count + " Random URL's found");
|
|
||||||
}
|
|
||||||
catch(Exception exception)
|
|
||||||
{
|
|
||||||
StatusBoxPrint(searchEngine.Key + ": " ?? string.Empty + exception.Message);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
public static void Shuffle<T>(T[] array)
|
|
||||||
{
|
{
|
||||||
Random rng = new Random();
|
int i;
|
||||||
int n = array.Length;
|
int urlsTotal = urls.Length;
|
||||||
while (n > 1)
|
const int ipPort = 53;
|
||||||
|
const string transactionId1 = "Q1";
|
||||||
|
const string transactionId2 = "Q2";
|
||||||
|
const string typeString = "\u0001" + "\u0000" + "\u0000" + "\u0001" + "\u0000" + "\u0000" + "\u0000" + "\u0000" + "\u0000" + "\u0000";
|
||||||
|
const string trailerString = "\u0000" + "\u0000" + "\u0001" + "\u0000" + "\u0001";
|
||||||
|
const int dnsReceiveTimeout = 5000;
|
||||||
|
string startOfUrl = string.Empty;
|
||||||
|
string domain = string.Empty;
|
||||||
|
byte[] bytesSend = new byte[256];
|
||||||
|
Socket dnsSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
|
||||||
|
dnsSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, dnsReceiveTimeout);
|
||||||
|
|
||||||
|
SetupDnsServers(dnsAddress1, dnsAddress2, ipPort, out var dnsEndpoint1, out var dnsEndpoint2);
|
||||||
|
|
||||||
|
// Start the clock
|
||||||
|
var startTime = DateTime.Now.Ticks;
|
||||||
|
|
||||||
|
for (i = 0; i < urlsTotal; i++)
|
||||||
{
|
{
|
||||||
n--;
|
var currentUrl = urls[i];
|
||||||
int k = rng.Next(n + 1);
|
startOfUrl = currentUrl.Substring(0, currentUrl.IndexOf("."));
|
||||||
T value = array[k];
|
domain = currentUrl.Substring(currentUrl.IndexOf(".") + 1,
|
||||||
array[k] = array[n];
|
currentUrl.Length - currentUrl.IndexOf(".") - 1);
|
||||||
array[n] = value;
|
var dnsQuery = typeString + (char)startOfUrl.Length + startOfUrl + (char)domain.Length + domain +
|
||||||
|
trailerString;
|
||||||
|
|
||||||
|
string queryString;
|
||||||
|
if (chkDns1.Checked)
|
||||||
|
{
|
||||||
|
queryString = transactionId1 + dnsQuery;
|
||||||
|
bytesSend = Encoding.ASCII.GetBytes(queryString);
|
||||||
|
if (dnsEndpoint1 != null)
|
||||||
|
dnsSocket.SendTo(bytesSend, bytesSend.Length, SocketFlags.None, dnsEndpoint1);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!chkDns2.Checked) continue;
|
||||||
|
|
||||||
|
queryString = transactionId2 + dnsQuery;
|
||||||
|
bytesSend = Encoding.ASCII.GetBytes(queryString);
|
||||||
|
if (dnsEndpoint2 != null) dnsSocket.SendTo(bytesSend, bytesSend.Length, SocketFlags.None, dnsEndpoint2);
|
||||||
|
}
|
||||||
|
|
||||||
|
try
|
||||||
|
{
|
||||||
|
DnsHelper.Log += DnsHelper_Log;
|
||||||
|
DnsHelper.ProcessDns(startOfUrl, domain, urlsTotal, dnsSocket, bytesSend, startTime, _dnsTotalChecked, ResultView);
|
||||||
|
}
|
||||||
|
catch (SocketException socketException)
|
||||||
|
{
|
||||||
|
SetStatus(
|
||||||
|
Convert.ToString(socketException).IndexOf("time", StringComparison.Ordinal) > 0
|
||||||
|
? $"Timeout - No response received for {Convert.ToString(dnsReceiveTimeout / 1000)} seconds"
|
||||||
|
: Convert.ToString(socketException));
|
||||||
|
}
|
||||||
|
finally
|
||||||
|
{
|
||||||
|
// close the socket
|
||||||
|
dnsSocket.Close();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
private void CheckDNS(string[] URLNames, int URLNamescount, string DNSAddress1, string DNSAddress2)
|
private void DnsHelper_Log(object sender, string e)
|
||||||
{
|
{
|
||||||
int i;
|
SetStatus(e);
|
||||||
const int IPPort = 53;
|
}
|
||||||
const string TransactionID1 = "Q1"; // Use transaction ID of Q1 and Q2 to identify our packet and DNS
|
|
||||||
const string TransactionID2 = "Q2";
|
|
||||||
const string TypeString = "\u0001" + "\u0000" + "\u0000" + "\u0001" + "\u0000" + "\u0000" + "\u0000" + "\u0000" + "\u0000" + "\u0000";
|
|
||||||
const string TrailerString = "\u0000" + "\u0000" + "\u0001" + "\u0000" + "\u0001";
|
|
||||||
const int DNSReceiveTimeout = 5000;
|
|
||||||
string URLNameStart, DomainName, QueryString, ReceiveString, IPResponse, sDeltaTime;
|
|
||||||
int URLNameStartLength, DomainNameLength, index, TransactionDNS;
|
|
||||||
byte[] Sendbytes = new byte[256];
|
|
||||||
long StartTime, StopTime;
|
|
||||||
string DeltaTime;
|
|
||||||
Socket DNSsocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
|
|
||||||
DNSsocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, DNSReceiveTimeout);
|
|
||||||
|
|
||||||
IPEndPoint dnsEP1 = null;
|
private void SetupDnsServers(string dnsAddress1, string dnsAddress2, int ipPort, out IPEndPoint dnsEndpoint1,
|
||||||
if (chkDns1.Checked && !string.IsNullOrWhiteSpace(DNSAddress1))
|
out IPEndPoint dnsEndpoint2)
|
||||||
{
|
{
|
||||||
dnsEP1 = new IPEndPoint(IPAddress.Parse(DNSAddress1), IPPort);
|
dnsEndpoint1 = null;
|
||||||
}
|
if (chkDns1.Checked && !string.IsNullOrWhiteSpace(dnsAddress1))
|
||||||
|
{
|
||||||
|
dnsEndpoint1 = new IPEndPoint(IPAddress.Parse(dnsAddress1), ipPort);
|
||||||
|
}
|
||||||
|
|
||||||
IPEndPoint dnsEP2 = null;
|
dnsEndpoint2 = null;
|
||||||
if (chkDns2.Checked && !string.IsNullOrWhiteSpace(DNSAddress2))
|
if (chkDns2.Checked && !string.IsNullOrWhiteSpace(dnsAddress2))
|
||||||
{
|
{
|
||||||
dnsEP2 = new IPEndPoint(IPAddress.Parse(DNSAddress2), IPPort);
|
dnsEndpoint2 = new IPEndPoint(IPAddress.Parse(dnsAddress2), ipPort);
|
||||||
}
|
}
|
||||||
|
}
|
||||||
// Start the clock
|
|
||||||
StartTime = DateTime.Now.Ticks;
|
|
||||||
|
|
||||||
for (i = 0; i < URLNamescount; i++)
|
|
||||||
{
|
|
||||||
URLNameStart = URLNames[i].Substring(0, URLNames[i].IndexOf("."));
|
|
||||||
DomainName = URLNames[i].Substring(URLNames[i].IndexOf(".") + 1, URLNames[i].Length - URLNames[i].IndexOf(".") - 1);
|
|
||||||
|
|
||||||
if (chkDns1.Checked)
|
|
||||||
{
|
|
||||||
QueryString = TransactionID1 + TypeString + (char)URLNameStart.Length + URLNameStart + (char)DomainName.Length + DomainName + TrailerString;
|
|
||||||
Sendbytes = Encoding.ASCII.GetBytes(QueryString);
|
|
||||||
if (dnsEP1 != null)
|
|
||||||
{
|
|
||||||
DNSsocket.SendTo(Sendbytes, Sendbytes.Length, SocketFlags.None, dnsEP1);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (chkDns2.Checked)
|
|
||||||
{
|
|
||||||
QueryString = TransactionID2 + TypeString + (char)URLNameStart.Length + URLNameStart + (char)DomainName.Length + DomainName + TrailerString;
|
|
||||||
Sendbytes = Encoding.ASCII.GetBytes(QueryString);
|
|
||||||
if (dnsEP2 != null)
|
|
||||||
{
|
|
||||||
DNSsocket.SendTo(Sendbytes, Sendbytes.Length, SocketFlags.None, dnsEP2);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
byte[] Receivebytes = new byte[512];
|
|
||||||
int totalReceived = 0;
|
|
||||||
|
|
||||||
try
|
|
||||||
{
|
|
||||||
// wait for a response up to timeout
|
|
||||||
more:
|
|
||||||
DNSsocket.Receive(Receivebytes);
|
|
||||||
// make sure the message returned is ours
|
|
||||||
if (Receivebytes[0] == Sendbytes[0] && (Receivebytes[1] == 0x31) || (Receivebytes[1] == 0x32))
|
|
||||||
{
|
|
||||||
if (Receivebytes[2] == 0x81 && Receivebytes[3] == 0x80)
|
|
||||||
{
|
|
||||||
// Get the time now
|
|
||||||
StopTime = DateTime.Now.Ticks;
|
|
||||||
DeltaTime = Convert.ToString((double)(StopTime - StartTime) / 10000000);
|
|
||||||
|
|
||||||
// Decode the answers
|
|
||||||
// Find the URL that was returned
|
|
||||||
TransactionDNS = Receivebytes[1];
|
|
||||||
ReceiveString = Encoding.ASCII.GetString(Receivebytes);
|
|
||||||
index = 12;
|
|
||||||
URLNameStartLength = Receivebytes[index];
|
|
||||||
index++;
|
|
||||||
URLNameStart = ReceiveString.Substring(index, URLNameStartLength);
|
|
||||||
index = index + URLNameStartLength;
|
|
||||||
DomainNameLength = Receivebytes[index];
|
|
||||||
index++;
|
|
||||||
DomainName = ReceiveString.Substring(index, DomainNameLength);
|
|
||||||
index = index + DomainNameLength;
|
|
||||||
index = index + 8;
|
|
||||||
|
|
||||||
// Get the record type
|
|
||||||
int ResponseType = Receivebytes[index];
|
|
||||||
index = index + 9;
|
|
||||||
|
|
||||||
// Get the IP address if applicable
|
|
||||||
IPResponse = "";
|
|
||||||
switch (ResponseType)
|
|
||||||
{
|
|
||||||
case 1:
|
|
||||||
IPResponse = Convert.ToString(Receivebytes[index]) + "."
|
|
||||||
+ Convert.ToString(Receivebytes[index + 1]) + "."
|
|
||||||
+ Convert.ToString(Receivebytes[index + 2]) + "."
|
|
||||||
+ Convert.ToString(Receivebytes[index + 3]); break;
|
|
||||||
case 5: IPResponse = "CNAME"; break;
|
|
||||||
case 6: IPResponse = "SOA"; break;
|
|
||||||
}
|
|
||||||
StatusBoxPrint("DNS Answer: " + URLNameStart + "." + DomainName + " = " + IPResponse);
|
|
||||||
|
|
||||||
// Find the URL entry in the list
|
|
||||||
for (i = 0; i < ResultView.Items.Count; i++)
|
|
||||||
{
|
|
||||||
if (ResultView.Items[i].Text == URLNameStart + "." + DomainName)
|
|
||||||
{
|
|
||||||
|
|
||||||
switch (TransactionDNS)
|
|
||||||
{
|
|
||||||
case 0x31:
|
|
||||||
ResultView.Items[i].SubItems[1].Text = Convert.ToString(IPResponse);
|
|
||||||
sDeltaTime = Convert.ToString(DeltaTime);
|
|
||||||
if (sDeltaTime.Length > 5) ResultView.Items[i].SubItems[2].Text = sDeltaTime.Substring(0, 5);
|
|
||||||
else ResultView.Items[i].SubItems[2].Text = sDeltaTime;
|
|
||||||
ResultView.Items[i].ForeColor = System.Drawing.Color.Red;
|
|
||||||
ResultView.EnsureVisible(i);
|
|
||||||
ResultView.Update();
|
|
||||||
Application.DoEvents();
|
|
||||||
ResultView.Items[i].ForeColor = System.Drawing.Color.Black;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 0x32:
|
|
||||||
ResultView.Items[i].SubItems[3].Text = Convert.ToString(IPResponse);
|
|
||||||
sDeltaTime = Convert.ToString(DeltaTime);
|
|
||||||
if (sDeltaTime.Length > 5) ResultView.Items[i].SubItems[4].Text = sDeltaTime.Substring(0, 5);
|
|
||||||
else ResultView.Items[i].SubItems[4].Text = sDeltaTime;
|
|
||||||
ResultView.Items[i].ForeColor = System.Drawing.Color.Red;
|
|
||||||
ResultView.EnsureVisible(i);
|
|
||||||
ResultView.Update();
|
|
||||||
Application.DoEvents();
|
|
||||||
ResultView.Items[i].ForeColor = System.Drawing.Color.Black;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
totalReceived++;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (totalReceived < URLNamescount)
|
|
||||||
{
|
|
||||||
goto more;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
catch (SocketException e)
|
|
||||||
{
|
|
||||||
if (Convert.ToString(e).IndexOf("time") > 0)
|
|
||||||
{
|
|
||||||
StatusBoxPrint("Timeout - No response received for " + Convert.ToString(DNSReceiveTimeout / 1000) + " seconds");
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
StatusBoxPrint(Convert.ToString(e)); // for testing
|
|
||||||
}
|
|
||||||
}
|
|
||||||
finally
|
|
||||||
{
|
|
||||||
// close the socket
|
|
||||||
DNSsocket.Close();
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
private async void btnResolveIP_Click(object sender, EventArgs e)
|
private async void btnResolveIP_Click(object sender, EventArgs e)
|
||||||
{
|
{
|
||||||
if (string.IsNullOrWhiteSpace(txtResolveIP.Text))
|
if (string.IsNullOrWhiteSpace(txtResolveIP.Text))
|
||||||
{
|
{
|
||||||
MessageBox.Show("Please enter an IP address to resolve");
|
MessageBox.Show("Please enter an IP address to resolve");
|
||||||
return;
|
return;
|
||||||
}
|
|
||||||
|
|
||||||
if (!IPAddress.TryParse(txtResolveIP.Text , out IPAddress iPAddress))
|
|
||||||
{
|
|
||||||
MessageBox.Show("Please enter a valid IP address");
|
|
||||||
return;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
try
|
if (!IPAddress.TryParse(txtResolveIP.Text, out IPAddress iPAddress))
|
||||||
{
|
{
|
||||||
await Task.Run(() =>
|
MessageBox.Show("Please enter a valid IP address");
|
||||||
{
|
return;
|
||||||
var dnsEntry = Dns.GetHostEntry(iPAddress);
|
}
|
||||||
Dispatcher.CurrentDispatcher.Invoke(() =>
|
|
||||||
{
|
try
|
||||||
txtResolveHost.Text = dnsEntry.HostName;
|
{
|
||||||
});
|
await Task.Run(() =>
|
||||||
|
{
|
||||||
|
var dnsEntry = Dns.GetHostEntry(iPAddress);
|
||||||
|
txtResolveHost.Invoke(() =>
|
||||||
|
{
|
||||||
|
txtResolveHost.Text = dnsEntry.HostName;
|
||||||
|
});
|
||||||
});
|
});
|
||||||
}
|
}
|
||||||
catch (Exception)
|
catch (Exception)
|
||||||
{
|
{
|
||||||
MessageBox.Show($"Could not get hostname for IP address '{txtResolveIP.Text}'");
|
MessageBox.Show($"Could not get hostname for IP address '{txtResolveIP.Text}'");
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
private async void btnResolveHost_Click(object sender, EventArgs e)
|
private async void btnResolveHost_Click(object sender, EventArgs e)
|
||||||
|
|
@ -494,15 +305,15 @@ namespace EonaCat.DnsTester
|
||||||
|
|
||||||
try
|
try
|
||||||
{
|
{
|
||||||
await Task.Run(() =>
|
await Task.Run(() =>
|
||||||
{
|
{
|
||||||
var dnsEntry = Dns.GetHostEntry(txtResolveHost.Text);
|
var dnsEntry = Dns.GetHostEntry(txtResolveHost.Text);
|
||||||
|
|
||||||
Dispatcher.CurrentDispatcher.Invoke(() =>
|
txtResolveHost.Invoke(() =>
|
||||||
{
|
{
|
||||||
txtResolveIP.Text = dnsEntry.AddressList.Where(x => x.AddressFamily == AddressFamily.InterNetwork).FirstOrDefault().Address.ToString();
|
txtResolveIP.Text = dnsEntry.AddressList.Where(x => x.AddressFamily == AddressFamily.InterNetwork).FirstOrDefault().Address.ToString();
|
||||||
});
|
});
|
||||||
});
|
});
|
||||||
}
|
}
|
||||||
catch (Exception)
|
catch (Exception)
|
||||||
{
|
{
|
||||||
|
|
@ -510,17 +321,17 @@ namespace EonaCat.DnsTester
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
private void StatusBoxPrint(string LogText)
|
private void SetStatus(string text)
|
||||||
{
|
{
|
||||||
StatusBox.Items.Add(DateTime.Now + " " + LogText);
|
StatusBox.Items.Add($"{DateTime.Now} {text}");
|
||||||
StatusBox.TopIndex = StatusBox.Items.Count - 1;
|
StatusBox.TopIndex = StatusBox.Items.Count - 1;
|
||||||
if (StatusBox.Items.Count > 5000)
|
if (StatusBox.Items.Count > STATUS_BAR_SIZE)
|
||||||
{
|
{
|
||||||
StatusBox.Items.RemoveAt(0);
|
StatusBox.Items.RemoveAt(0);
|
||||||
}
|
}
|
||||||
StatusBox.Update();
|
StatusBox.Update();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
const int STATUS_BAR_SIZE = 5000;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue