124 lines
3.1 KiB
PHP
124 lines
3.1 KiB
PHP
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<?php
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$dir = $_GET[dir];
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$item = $_GET[file];
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$dir = substr($dir,10,strlen($dir)-17);
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$item = substr($item,1,strlen($item)-2);
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$abs_item = get_abs_item($dir,$item);
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//SECURITY FIXX ------------------------------
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//um falscheingaben beim pfad/datei abzufangen
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if(!get_show_item($dir, $item))
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{
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$abs_dir = "DONTTRYTOHACK";
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echo "<h1>DONT TRY TO HACK!</h1><br>";
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echo "<b>Your IP is logged, an administrator has been informed!</b><br>";
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echo "Script written by h44z";
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exit;
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}
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elseif(down_home($abs_dir)==true)
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{
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$abs_dir = "DONTTRYTOHACK";
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echo "<h1>DONT TRY TO HACK!</h1><br>";
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echo "<b>Your IP is logged, an administrator has been informed!</b><br>";
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echo "Script written by h44z";
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exit;
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}
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//SECURITY FIXX ------------------------------
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else
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{
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$abs_dir = $abs_dir;
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}
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ob_start();
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$browser=id_browser();
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header('Content-Type: '.(($browser=='IE' || $browser=='OPERA')?
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'application/octetstream':'application/octet-stream'));
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header('Expires: '.gmdate('D, d M Y H:i:s').' GMT');
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header('Content-Transfer-Encoding: binary');
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header('Content-Length: '.filesize($abs_item));
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if($browser=='IE') {
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header('Content-Disposition: attachment; filename="'.$item.'"');
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header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
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header('Pragma: public');
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} else {
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header('Content-Disposition: attachment; filename="'.$item.'"');
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header('Cache-Control: no-cache, must-revalidate');
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header('Pragma: no-cache');
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}
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ob_end_flush();
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function get_abs_dir($dir)
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{ // get absolute path
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$abs_dir="/home/christoph/explorer";
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if($dir!="") $abs_dir.="/".$dir;
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return $abs_dir;
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}
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function get_abs_item($dir, $item)
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{ // get absolute file+path
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return get_abs_dir($dir)."/".$item;
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}
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function id_browser() {
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$browser=$GLOBALS['__SERVER']['HTTP_USER_AGENT'];
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if(ereg('Opera(/| )([0-9].[0-9]{1,2})', $browser)) {
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return 'OPERA';
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} else if(ereg('MSIE ([0-9].[0-9]{1,2})', $browser)) {
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return 'IE';
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} else if(ereg('OmniWeb/([0-9].[0-9]{1,2})', $browser)) {
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return 'OMNIWEB';
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} else if(ereg('(Konqueror/)(.*)', $browser)) {
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return 'KONQUEROR';
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} else if(ereg('Mozilla/([0-9].[0-9]{1,2})', $browser)) {
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return 'MOZILLA';
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} else {
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return 'OTHER';
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}
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}
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//String contains funktion
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function contains($str, $content, $ignorecase=true)
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{
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if ($ignorecase){
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$str = strtolower($str);
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$content = strtolower($content);
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}
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return strpos($content,$str) ? true : false;
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}
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function get_show_item($dir, $item) { // show this file?
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if($item == "..") return false;
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if("^\.ht"!="" && @eregi("^\.ht",$item)) return false;
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if(false==false) {
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$dirs=explode("/",$dir);
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foreach($dirs as $i) if(substr($i,0,1)==".") return false;
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}
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return true;
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}
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function down_home($abs_dir) { // dir deeper than home?
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$real_home = @realpath("/home/christoph/explorer");
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$real_dir = @realpath($abs_dir);
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if($real_home===false || $real_dir===false) {
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if(@eregi("\\.\\.",$abs_dir)) return false;
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} else if(strcmp($real_home,@substr($real_dir,0,strlen($real_home)))) {
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return false;
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}
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return true;
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}
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@readfile($abs_item);
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exit;
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?>
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