private void CheckTimer_Tick(object sender, EventArgs e)
{
// This timer event only gets called when the server isn't otherwise busy.
// Even though the timer interval is set to once every 50 milliseconds it
// doesn't mean it will get called that often.
// It has TestTime to check on how busy it is.
if( !IsEnabled )
return;
CheckTimer.Stop();
try // for finally
{
try // for catch
{
ECTime TestTime = new ECTime();
TestTime.SetToNow();
// 100 clients queued up per timer tick is 2,000 per second max,
// assuming the server isn't busy and the timer events get called that often.
// But if there were that many clients connecting you'd need more front end
// servers to handle the I/O. Or it's a denial of service attack, and you'd
// need to deal with that.
for( int Count = 0; Count < 100; Count++ )
{
if( !IsEnabled )
return;
if( Listener.Pending() )
QueueConnectedClient();
else
break;
}
CloseTimedOut();
if( !IsEnabled )
return;
FreeClosed();
if( !IsEnabled )
return;
ProcessOuterMessages();
if( !IsEnabled )
return;
double Seconds = TestTime.GetSecondsToNow();
if( Seconds > 1.0 )
{
ShowStatus( " " );
ShowStatus( "**************************************************" );
ShowStatus( "TLS Listener Test time seconds: " + Seconds.ToString( "N0" ));
ShowStatus( "Test time:: " + TestTime.ToLocalTimeString());
ShowStatus( "**************************************************" );
ShowStatus( " " );
}
}
catch( Exception Except )
{
ShowStatus( "Exception in CheckTimerTick: \r\n" + Except.Message );
return;
}
}
finally
{
CheckTimer.Start();
}
}
internal void ShowIPStatus()
{
ECTime RecTime = new ECTime();
MForm.ShowStatus( " " );
string ShowS = "IP Address\t" +
"Server Time\t" +
"Server Date\t" +
"Hacker Count\t" +
"Timed Out Count\t" +
"Bad Web Page Count\t" +
"Good Web Request Count\t" +
"Total Good Web Request Count\t" +
"Port 80 Count\t" +
"GetPublicKeyCount\t" +
"TotalGetPublicKeyCount\t" +
"ConfirmBillingCount\t" +
"TotalConfirmBillingCount\t" +
"Referrer\t" +
"User Agent\t" +
"Host Name\t" +
"Sent Text";
MForm.ShowStatus( ShowS );
int HowMany = 0;
foreach( KeyValuePair<string, IPStatusRec> Kvp in IPsDictionary )
{
// Don't show too many. This is only meant as a quick way to show
// some records.
HowMany++;
if( HowMany > 1000 )
{
MForm.ShowStatus( " " );
MForm.ShowStatus( "Can't show more than 1000 IPs." );
MForm.ShowStatus( " " );
return;
}
RecTime.SetFromIndex( Kvp.Value.TimeIndex );
ShowS = Kvp.Key + "\t" +
RecTime.ToLocalTimeString() + "\t" +
RecTime.ToLocalDateString() + "\t" +
Kvp.Value.HackerCount.ToString( "N0" ) + "\t" +
Kvp.Value.TimedOutCount.ToString( "N0" ) + "\t" +
Kvp.Value.BadWebPageCount.ToString( "N0" ) + "\t" +
Kvp.Value.GoodWebRequestCount.ToString( "N0" ) + "\t" +
Kvp.Value.TotalGoodWebRequestCount.ToString( "N0" ) + "\t" +
Kvp.Value.Port80Count.ToString( "N0" ) + "\t" +
Kvp.Value.Port443Count.ToString( "N0" ) + "\t" +
Kvp.Value.GetPublicKeyCount.ToString( "N0" ) + "\t" +
Kvp.Value.TotalGetPublicKeyCount.ToString( "N0" ) + "\t" +
Kvp.Value.ConfirmBillingCount.ToString( "N0" ) + "\t" +
Kvp.Value.TotalConfirmBillingCount.ToString( "N0" ) + "\t" +
Utility.CleanAsciiString( Kvp.Value.Referer, 300 ) + "\t" +
Utility.CleanAsciiString( Kvp.Value.UserAgent, 300 ) + "\t" +
Utility.CleanAsciiString( Kvp.Value.HostName, 300 ) + "\t" +
Utility.CleanAsciiString( Kvp.Value.SentText, 300 );
MForm.ShowStatus( ShowS );
}
MForm.ShowStatus( " " );
}
private void ProcessWebRequests()
{
if( MForm.GetIsClosing())
return;
ECTime RightNow = new ECTime();
RightNow.SetToNow();
for( int Count = 0; Count < ClientsLast; Count++ )
{
if( Clients[Count] == null ) // This should never happen but...
continue;
// If this is something that has already been processed.
if( Clients[Count].GetProcessingStarted())
continue;
// IsShutDown is a little slower than the above checks.
if( Clients[Count].IsShutDown())
continue;
if( !Clients[Count].IsBrowserRequest())
continue;
if( !Clients[Count].IsBrowserRequestReady())
continue;
// ShowStatus( "Got a browser request 2." );
Clients[Count].SetProcessingStarted( true );
string InputS = Utility.GetCleanUnicodeString( Clients[Count].GetAllInputS(), 2000 );
// This FileName is already cleaned ASCII.
string FileName = Clients[Count].GetHTTPFileRequested();
string OriginalFileName = FileName;
FileName = FileName.ToLower();
FileName = FileName.Replace( "/", "" );
// ShowStatus( "FileName is: " + FileName );
if( FileName.StartsWith( "bad http:" ))
{
MForm.NetStats.AddToHackerCount( Clients[Count].GetRemoteAddress(), InputS );
// MForm.ServerLog.AddToLog( "Bad HTTP", InputS, Clients[Count].GetRemoteAddress() );
Clients[Count].FreeEverything();
ShowStatus( FileName );
continue;
}
if( FileName.StartsWith( "hacking:" ))
{
DailyHackCount++;
MForm.NetStats.AddToHackerCount( Clients[Count].GetRemoteAddress(), InputS );
// MForm.ServerLog.AddToLog( "Hacking", InputS, Clients[Count].GetRemoteAddress() );
Clients[Count].FreeEverything();
RightNow.SetToNow();
ShowStatus( RightNow.ToLocalTimeString() + " on " + RightNow.ToLocalDateString() );
ShowStatus( FileName );
ShowStatus( " " );
continue;
}
RightNow.SetToNow();
string Referer = "None";
string UserAgent = "None";
if( FileName == "laplata.htm" )
{
if( MForm.GetIsClosing())
return;
// MForm.NetStats.AddTo...
byte[] ToSendBuf = MForm.LaPlataData1.GetHTML( "smith" );
if( ToSendBuf != null )
Clients[Count].SendGenericWebResponse( ToSendBuf, RightNow.GetIndex(), UniqueEntityTag, "text/html" );
Referer = Clients[Count].GetReferer();
UserAgent = Clients[Count].GetUserAgent();
// MForm.ServerLog.AddToLog() ...
continue;
}
if( !MForm.WebFData.ContainsFile( FileName ))
{
Clients[Count].FreeEverything();
// This is already clean ASCII.
string LogText = FileName + ": " + InputS;
// MForm.ServerLog.AddToLog( "No Web File", LogText, Clients[Count].GetRemoteAddress() );
MForm.NetStats.AddToBadWebPageCount( Clients[Count].GetRemoteAddress(), InputS );
ShowStatus( " " );
RightNow.SetToNow();
ShowStatus( RightNow.ToLocalTimeString() + " on " + RightNow.ToLocalDateString() );
ShowStatus( "No Web File" );
ShowStatus( "Original: " + OriginalFileName );
ShowStatus( "Fixed: " + FileName );
ShowStatus( "From IP: " + Clients[Count].GetRemoteAddress() );
continue;
}
if( FileName.EndsWith( ".exe" ) || FileName.EndsWith( ".apk" ))
{
ShowStatus( " " );
RightNow.SetToNow();
ShowStatus( RightNow.ToLocalTimeString() + " on " + RightNow.ToLocalDateString() );
ShowStatus( "Request for: " + FileName );
ShowStatus( "From IP: " + Clients[Count].GetRemoteAddress() );
ShowStatus( " " );
}
Referer = Clients[Count].GetReferer();
UserAgent = Clients[Count].GetUserAgent();
MForm.NetStats.AddToUserAgentAndReferer( Clients[Count].GetRemoteAddress(), Referer, UserAgent );
// Increment UniqueEntityTag when it sends something.
UniqueEntityTag++;
// FileName is already clean ASCII, it's lower case, and trimmed.
// This is a reference to the buffer, but the client copies from it.
byte[] Buffer = MForm.WebFData.GetBuffer( FileName );
if( Buffer == null )
{
ShowStatus( "The buffer was null for a good web request: " + FileName );
continue;
}
if( FileName.EndsWith( ".jpg" ))
{
Clients[Count].SendGenericWebResponse( Buffer, RightNow.GetIndex(), UniqueEntityTag, "image/jpeg" );
// MForm.ServerLog.AddToLog( "Finished Web Request", FileName, Clients[Count].GetRemoteAddress() );
continue;
}
if( FileName.EndsWith( ".gif" ))
{
Clients[Count].SendGenericWebResponse( Buffer, RightNow.GetIndex(), UniqueEntityTag, "image/gif" );
// MForm.ServerLog.AddToLog( "Finished Web Request", FileName, Clients[Count].GetRemoteAddress() );
continue;
}
if( FileName.EndsWith( ".htm" ))
{
Clients[Count].SendGenericWebResponse( Buffer, RightNow.GetIndex(), UniqueEntityTag, "text/html" );
// MForm.ServerLog.AddToLog( "Finished Web Request", FileName, Clients[Count].GetRemoteAddress() );
continue;
}
if( FileName.EndsWith( ".txt" ))
{
Clients[Count].SendGenericWebResponse( Buffer, RightNow.GetIndex(), UniqueEntityTag, "text/plain" );
// MForm.ServerLog.AddToLog( "Finished Web Request", FileName, Clients[Count].GetRemoteAddress() );
continue;
}
if( FileName.EndsWith( ".pdf" ))
{
Clients[Count].SendGenericWebResponse( Buffer, RightNow.GetIndex(), UniqueEntityTag, "application/pdf" );
// MForm.ServerLog.AddToLog( "Finished Web Request", FileName, Clients[Count].GetRemoteAddress() );
continue;
}
if( FileName == "favicon.ico" )
{
Clients[Count].SendGenericWebResponse( Buffer, RightNow.GetIndex(), UniqueEntityTag, "image/vnd.microsoft.icon" );
// MForm.ServerLog.AddToLog( "Finished Web Request", FileName, Clients[Count].GetRemoteAddress() );
continue;
}
// Default to sending text unless there's some other way to send it.
Clients[Count].SendGenericWebResponse( Buffer, RightNow.GetIndex(), UniqueEntityTag, "text/plain" );
// MForm.ServerLog.AddToLog( "Finished Web Request", FileName, Clients[Count].GetRemoteAddress() );
}
}
internal bool SaveToFile()
{
string FileName = MForm.GetDataDirectory() + "NetStats.txt";
ECTime RecTime = new ECTime();
// OldTime.SetToYear1999();
// ulong OldIndex = OldTime.GetIndex();
try
{
using( StreamWriter SWriter = new StreamWriter( FileName ))
{
foreach( KeyValuePair<string, IPStatusRec> Kvp in IPsDictionary )
{
RecTime.SetFromIndex( Kvp.Value.TimeIndex );
string Line = Kvp.Key + "\t" +
RecTime.ToLocalTimeString() + "\t" +
RecTime.ToLocalDateString() + "\t" +
Kvp.Value.TimeIndex.ToString() + "\t" +
Kvp.Value.HackerCount.ToString() + "\t" +
Kvp.Value.TimedOutCount.ToString() + "\t" +
Kvp.Value.GoodWebRequestCount.ToString() + "\t" +
Kvp.Value.TotalGoodWebRequestCount.ToString() + "\t" +
Kvp.Value.Port80Count.ToString() + "\t" +
Kvp.Value.Port443Count.ToString() + "\t" +
Kvp.Value.Referer + "\t" +
Kvp.Value.UserAgent + "\t" +
Kvp.Value.HostName + "\t" +
Kvp.Value.LastHostNameUpdate.ToString() + "\t" +
Kvp.Value.BadWebPageCount.ToString(); // + "\t" +
// Kvp.Value.SentText;
SWriter.WriteLine( Line );
}
SWriter.WriteLine( " " );
}
return true;
}
catch( Exception ) // Except )
{
// "Error: Could not write
return false;
}
}