EonaCat
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EonaCat.DnsTester
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This commit is contained in:
EonaCat 2023-02-24 00:08:31 +01:00
parent b74c937d62
commit 04432a89f6
2 changed files with 153 additions and 74 deletions
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29
EonaCat.DnsTester/MainForm.Designer.cs generated
View File

@ -55,6 +55,9 @@
this.txtResolveHost = new System.Windows.Forms.TextBox();
this.btnResolveIP = new System.Windows.Forms.Button();
this.btnResolveHost = new System.Windows.Forms.Button();
this.label3 = new System.Windows.Forms.Label();
this.numericUpDown1 = new System.Windows.Forms.NumericUpDown();
((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).BeginInit();
this.SuspendLayout();
//
// ResultView
@ -308,6 +311,27 @@
this.btnResolveHost.UseVisualStyleBackColor = true;
this.btnResolveHost.Click += new System.EventHandler(this.btnResolveHost_Click);
//
// label3
//
this.label3.AutoSize = true;
this.label3.Location = new System.Drawing.Point(675, 223);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(201, 32);
this.label3.TabIndex = 32;
this.label3.Text = "Total domains:";
//
// numericUpDown1
//
this.numericUpDown1.Location = new System.Drawing.Point(913, 223);
this.numericUpDown1.Maximum = new decimal(new int[] {
10000000,
0,
0,
0});
this.numericUpDown1.Name = "numericUpDown1";
this.numericUpDown1.Size = new System.Drawing.Size(120, 38);
this.numericUpDown1.TabIndex = 33;
//
// MainForm
//
this.AutoScaleDimensions = new System.Drawing.SizeF(240F, 240F);
@ -315,6 +339,8 @@
this.AutoSize = true;
this.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
this.ClientSize = new System.Drawing.Size(2517, 1693);
this.Controls.Add(this.numericUpDown1);
this.Controls.Add(this.label3);
this.Controls.Add(this.btnResolveHost);
this.Controls.Add(this.btnResolveIP);
this.Controls.Add(this.txtResolveHost);
@ -343,6 +369,7 @@
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "EonaCat.DnsTester";
this.Load += new System.EventHandler(this.TesterUI_Load);
((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).EndInit();
this.ResumeLayout(false);
this.PerformLayout();
@ -376,6 +403,8 @@
private System.Windows.Forms.TextBox txtResolveHost;
private System.Windows.Forms.Button btnResolveIP;
private System.Windows.Forms.Button btnResolveHost;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.NumericUpDown numericUpDown1;
}
}

198
EonaCat.DnsTester/MainForm.cs
View File

@ -1,4 +1,5 @@
using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
@ -28,8 +29,7 @@ namespace EonaCat.DnsTester
private void RunTest_Click(object sender, EventArgs e)
{
int i;
string[] CleanNames = new string[500];
int CleanNamesCount = 0;
List<string> CleanNames = new List<string>();
if (this.UseCustomDnsServers)
{
@ -61,9 +61,9 @@ namespace EonaCat.DnsTester
ResultView.Update();
Application.DoEvents();
GetWebAddresses(ref CleanNames, ref CleanNamesCount);
GetWebAddresses(ref CleanNames, (int)numericUpDown1.Value);
for (i = 0; i < CleanNamesCount; i++)
for (i = 0; i < CleanNames.Count; i++)
{
ListViewItem listURL = new ListViewItem(CleanNames[i]);
listURL.SubItems.Add(" ");
@ -87,7 +87,7 @@ namespace EonaCat.DnsTester
}
IsRunning = true;
CheckDNS(CleanNames, CleanNamesCount, DNS1, DNS2);
CheckDNS(CleanNames.ToArray(), CleanNames.Count, DNS1, DNS2);
IsRunning = false;
}
@ -156,7 +156,7 @@ namespace EonaCat.DnsTester
private void GetWebAddresses(ref string[] CleanNames, ref int CleanNamesCount)
private void GetWebAddresses(ref List<string> CleanNames, int totalUrls)
{
int i, j;
byte[] random = new Byte[256];
@ -173,74 +173,116 @@ namespace EonaCat.DnsTester
if (Letters.Length == 3) break;
}
// Use Google to get random addresses for DNS testing
KeyValuePair<string, string> searchEngine = new KeyValuePair<string, string>();
Random rand = new Random();
// Initialize the WebRequest.
StatusBoxPrint("Getting Google request");
try
// 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)
{
WebRequest GoogleRequest = WebRequest.Create("http://www.google.com/search?num=100&q=" + Letters); //Letters);
WebResponse GoogleResponse = GoogleRequest.GetResponse();
Application.DoEvents();
// Get the response stream.
Stream GoogleStream = GoogleResponse.GetResponseStream();
StatusBoxPrint("Google response received");
// Use a StreamReader to read the entire response.
StreamReader GoogleReader = new StreamReader(GoogleStream, Encoding.ASCII);
string GoogleString = GoogleReader.ReadToEnd();
// Close the response stream and response to free resources.
GoogleStream.Close();
GoogleResponse.Close();
Application.DoEvents();
// find all .xxx.com addresses
MatchCollection HostNames;
string[] Names = new string[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(GoogleString);
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 google.com and repeated entries
for (i = 0; i < HostNames.Count - 1; i++)
{
if (Names[i] == "google.com") Names[i] = "";
for (j = i + 1; j < HostNames.Count; j++)
{
if (Names[i] == Names[j]) Names[j] = "";
}
}
// count list and compact
j = 0;
for (i = 0; i < HostNames.Count; i++)
{
if (Names[i] != "")
{
CleanNames[j] = Names[i];
j++;
}
}
CleanNamesCount = j;
StatusBoxPrint(CleanNamesCount + " Random URL's found");
}
catch
{
StatusBoxPrint("Host Google.com not found - are you connected ?");
StatusBoxPrint(searchEngine.Key + ": " ?? string.Empty + exception.Message);
}
}
}
public static void Shuffle<T>(T[] array)
{
Random rng = new Random();
int n = array.Length;
while (n > 1)
{
n--;
int k = rng.Next(n + 1);
T value = array[k];
array[k] = array[n];
array[n] = value;
}
}
private void CheckDNS(string[] URLNames, int URLNamescount, string DNSAddress1, string DNSAddress2)
private void CheckDNS(string[] URLNames, int URLNamescount, string DNSAddress1, string DNSAddress2)
{
int i;
const int IPPort = 53;
@ -299,11 +341,13 @@ namespace EonaCat.DnsTester
}
byte[] Receivebytes = new byte[512];
int totalReceived = 0;
try
try
{
// wait for a response up to timeout
more: DNSsocket.Receive(Receivebytes);
more:
DNSsocket.Receive(Receivebytes);
// make sure the message returned is ours
if (Receivebytes[0] == Sendbytes[0] && (Receivebytes[1] == 0x31) || (Receivebytes[1] == 0x32))
{
@ -378,11 +422,17 @@ namespace EonaCat.DnsTester
ResultView.Items[i].ForeColor = System.Drawing.Color.Black;
break;
}
}
totalReceived++;
}
}
}
goto more;
}
if (totalReceived < URLNamescount)
{
goto more;
}
}
}
catch (SocketException e)
{