php探测内网端口

直接贴代码

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<?php
set_time_limit(0);//设置程序执行时间
ob_implicit_flush(True);
ob_end_flush();
$url = isset($_REQUEST['url'])?$_REQUEST['url']:null;
 
/*端口扫描代码*/

function check_port($ip,$port,$timeout=0.1) {
	$conn = @fsockopen($ip, $port, $errno, $errstr, $timeout);
	if($conn) {
		fclose($conn);
		return true;
	}
}

function scanip($ip,$timeout,$portarr){
	foreach($portarr as $port){
		if(check_port($ip,$port,$timeout=0.1)==True){
			echo 'Port: '.$port.' is open<br/>';
			@ob_flush();
			@flush();
		}
	}
}


echo
'<html>
<form action="" method="post">
<input type="text" name="startip" value="Start IP" />
<input type="text" name="endip" value="End IP" />
<input type="text" name="port" value="80,8080,8888,1433,3306"/>
Timeout<input type="text" name="timeout" value="10"/><br/>
<button type="submit" name="submit">Scan</button>
</form>
</html>
';

 

if(isset($_POST['startip'])&&isset($_POST['endip'])&&isset($_POST['port'])&&isset($_POST['timeout'])){
	$startip=$_POST['startip'];
	$endip=$_POST['endip'];
	$timeout=$_POST['timeout'];
	$port=$_POST['port'];
	if(strpos($port,',')!==FALSE)
	{
		$portarr=explode(',',$port);
	}
	if(strpos($port,'-')!==FALSE)
	{
		$portarr=explode('-',$port);
		$y=$portarr[1];
		for ($x=$portarr[0];$x<=$y;$x++)
		{
			$val[]=$x;
		}
		unset($portarr);
		foreach($val as $portarr) 
		{
		$portarr=$val;
		}
	}

	$siparr=explode('.',$startip);
	$eiparr=explode('.',$endip);
	$ciparr=$siparr;
	if(count($ciparr)!=4||$siparr[0]!=$eiparr[0]||$siparr[1]!=$eiparr[1]){
		exit('IP error: Wrong IP address or Trying to scan class A address');
	}
	if($startip==$endip){
		echo 'Scanning IP '.$startip.'<br/>';
		@ob_flush();
		@flush();
		scanip($startip,$timeout,$portarr);
		@ob_flush();
		@flush();
		exit();
	}
	if($eiparr[3]!=255){
		$eiparr[3]+=1;
	}
	while($ciparr!=$eiparr){
		$ip=$ciparr[0].'.'.$ciparr[1].'.'.$ciparr[2].'.'.$ciparr[3];
		echo '<br/>Scanning IP '.$ip.'<br/>';
		@ob_flush();
		@flush();
		scanip($ip,$timeout,$portarr);
		$ciparr[3]+=1;
		if($ciparr[3]>255){
			$ciparr[2]+=1;
			$ciparr[3]=0;
		}
		if($ciparr[2]>255){
			$ciparr[1]+=1;
			$ciparr[2]=0;
		}
	}
}

 

/*内网代理代码*/

 

function getHtmlContext($url){
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_HEADER, TRUE);    //表示需要response header
    curl_setopt($ch, CURLOPT_NOBODY, FALSE); //表示需要response body
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
    curl_setopt($ch, CURLOPT_TIMEOUT, 120);
    $result = curl_exec($ch);
	global $header;
	if($result){
		$headerSize = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
        $header	= explode("\r\n",substr($result, 0, $headerSize));
        $body = substr($result, $headerSize);
	}
    if (curl_getinfo($ch, CURLINFO_HTTP_CODE) == '200') {
        return $body;
    }
    if (curl_getinfo($ch, CURLINFO_HTTP_CODE) == '302') {
		$location = getHeader("Location");
		if(strpos(getHeader("Location"),'http://') == false){
			$location = getHost($url).$location;
		}
			return getHtmlContext($location);
		}
    return NULL;
}

function getHost($url){
    preg_match("/^(http:\/\/)?([^\/]+)/i",$url, $matches);
    return $matches[0];
}

function getCss($host,$html){
    preg_match_all("/<link[\s\S]*?href=['\"](.*?[.]css.*?)[\"'][\s\S]*?>/i",$html, $matches);
    foreach($matches[1] as $v){
		$cssurl = $v;
        if(strpos($v,'http://') == false){
			$cssurl = $host."/".$v;
		}
		$csshtml = "<style>".file_get_contents($cssurl)."</style>";
		$html .= $csshtml;
	}
	return $html;
}

if($url != null){
    $host = getHost($url);
    echo getCss($host,getHtmlContext($url));
}
?>