利用google获取二级域名

<?php
header("Content-Type: text/html;charset=utf-8");
set_time_limit(0);
error_reporting(E_ERROR);

function geturl($keywords, $page, $num)
{     
        $page = ($page - 1) * 10;      
        $content = file_get_contents("http://www.google.com/search?sclient=psy-ab&hl=en&start=$page&source=hp&q=$keywords&pbx=1&oq=$keywords&num=$num&aq=f&aqi=g4");             
        $preg = '/<h3/s*class="r"/s*>.*/im';                      
        preg_match_all($preg, $content, $m);       
        preg_match_all('/<a(.*?)>(.*?)/', $m[0][0], $ms);
       
        $list = array();       
        foreach ($ms[1] as $link)
        {
                preg_match('/http:////[a-zA-Z0-9._-]*/', $link, $matches);               
                if (!empty($matches[0]))
                {
                        $list[] = $matches[0];
                }
        }
        $list = array_unique($list);
        return $list;
}

www.zhishiwu.com

    echo<<<INFO
----------------------------------
Google Get DNS Info T00l 
blog:hi.baidu.com/nginxshell /n
Usage:/n PHP $argv[0]  /n
Example:/n site:baidu.com -inurl:zhidao./n
----------------------------------/n
INFO;

if(file_exists('site.txt')){
  @unlink('site.txt');
  @unlink('tmp');
  echo "Clear Cache Success！/r/n";
  }

echo "Please Enter GoogleDork: ";
$GOOGLEDORK = urlencode(fgets(STDIN));
#echo $GOOGLEDORK;
#exit();
$page = 10;
$num = 100;
for ($i=1;$i<=$page;$i++)
{       
        $url = geturl($GOOGLEDORK, $i, $num);
        print_r('Page: '.$i.' Results Count: '.count($url)."/r/n");       
            foreach ($url as $u)
            {
               print_r($u."/r/n");
              @$fp=@fopen('tmp','a');
              @fwrite($fp,$u."/r/n");
              @fclose($fp);
               
            }
}  
                $new_filename='site.txt';               
                $file=file('tmp');
                $array=preg_replace('/($/s*$)|(^/s*^)/m','',$file); //消除空行
                foreach ($array as $key=>$r){
       
                     $array[$key]=trim("$r"); //去除空白字符
       
                    } 

               $new_array=array_values(array_unique($array));//消除重复行
                    if(file_put_contents("$new_filename",join("/r/n",$new_array)))
                    {
                        echo "Get Subdomain Success!/r/n";
                        if(file_exists('tmp'))
                        {
                            @unlink('tmp');
                            echo "Clear Cache ...";
                         }
                    }
               
                
               exit;
?>

摘自 http://hi.baidu.com/nginxshell