September 2007 Entries

I am receiving these spams where there is no message body or subject. Looks like the application that they have used for mass e-mailing is suppose to replace the %MESSAGE_BODY placeholder with a text that the spammer supplying.


06/03/2007 (13:53 GMT  +03:00)
 1.0
Content-Type: text/html
Date: %CURRENT_DATE_TIME
%MESSAGE_BODY


Looks like, they've forgot to do it. Oh well, another garbage down the internet pipe...

There is a bug in this code. Can you spot it?

 

private string ReceiveLine()
{
    const int bufferLength=1024;
    byte[] buffer=new byte[bufferLength+1];    // extra char for null terminator
    StringBuilder message=new StringBuilder(bufferLength);
    int bytesRead;

    for(;;)
    {
        bytesRead=socket.Receive(buffer, bufferLength, 0);
        if (bytesRead==0)
            break;
        
        // add null terminator
        buffer[bytesRead]=0;
	

// conver char array to string message.Append(Encoding.ASCII.GetChars(buffer, 0, bytesRead)); if (buffer[bytesRead-1]==10) break; } string tmp=message.ToString(); if(tmp.StartsWith(POS_STAT_IND)==false) throw new Exception("Received negative response from POP3 server"); return tmp; }

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Hi, my name is Gurkan Yeniceri. I am a software engineer with 8 years of experience in both public and private sectors. I have been generally writing about software engineering and Microsoft technologies since March 2005 on this site.
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