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raphael |
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2002 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.02 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Author: Xavier Noguer <xnoguer@php.net> |
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// | Based on OLE::Storage_Lite by Kawai, Takanori |
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// +----------------------------------------------------------------------+
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//
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// $Id: Root.php 322720 2012-01-25 12:56:57Z clockwerx $
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require_once 'OLE/PPS.php';
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require_once 'System.php';
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/**
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* Class for creating Root PPS's for OLE containers
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*
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* @author Xavier Noguer <xnoguer@php.net>
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* @category Structures
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* @package OLE
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*/
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class OLE_PPS_Root extends OLE_PPS
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{
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/**
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* Flag to enable new logic
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* @var bool
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*/
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var $new_func = true;
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/**
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* The temporary dir for storing the OLE file
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* @var string
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*/
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var $_tmp_dir;
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/**
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* Constructor
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*
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* @access public
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* @param integer $time_1st A timestamp
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* @param integer $time_2nd A timestamp
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*/
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function OLE_PPS_Root($time_1st, $time_2nd, $raChild)
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{
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aurelien |
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$this->_tmp_dir = @System::tmpdir();
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raphael |
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$this->OLE_PPS(
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null,
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OLE::Asc2Ucs('Root Entry'),
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OLE_PPS_TYPE_ROOT,
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null,
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null,
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null,
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$time_1st,
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$time_2nd,
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null,
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$raChild);
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}
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/**
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* Sets the temp dir used for storing the OLE file
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*
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* @access public
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* @param string $dir The dir to be used as temp dir
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* @return true if given dir is valid, false otherwise
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*/
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function setTempDir($dir)
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{
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if (is_dir($dir)) {
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$this->_tmp_dir = $dir;
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return true;
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}
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return false;
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}
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/**
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* Method for saving the whole OLE container (including files).
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* In fact, if called with an empty argument (or '-'), it saves to a
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* temporary file and then outputs it's contents to stdout.
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*
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* @param string $filename The name of the file where to save the OLE container
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* @access public
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* @return mixed true on success, PEAR_Error on failure
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*/
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function save($filename)
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{
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// Initial Setting for saving
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$this->_BIG_BLOCK_SIZE = pow(2,
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((isset($this->_BIG_BLOCK_SIZE))? $this->_adjust2($this->_BIG_BLOCK_SIZE) : 9));
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$this->_SMALL_BLOCK_SIZE= pow(2,
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((isset($this->_SMALL_BLOCK_SIZE))? $this->_adjust2($this->_SMALL_BLOCK_SIZE): 6));
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// Open temp file if we are sending output to stdout
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if (($filename == '-') || ($filename == '')) {
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$this->_tmp_filename = tempnam($this->_tmp_dir, "OLE_PPS_Root");
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$this->_FILEH_ = @fopen($this->_tmp_filename,"w+b");
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if ($this->_FILEH_ == false) {
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return $this->raiseError("Can't create temporary file.");
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}
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} else {
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$this->_FILEH_ = @fopen($filename, "wb");
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if ($this->_FILEH_ == false) {
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return $this->raiseError("Can't open $filename. It may be in use or protected.");
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}
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}
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// Make an array of PPS's (for Save)
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$aList = array();
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OLE_PPS_Root::_savePpsSetPnt($aList, array($this));
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// calculate values for header
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list($iSBDcnt, $iBBcnt, $iPPScnt) = $this->_calcSize($aList); //, $rhInfo);
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// Save Header
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$this->_saveHeader($iSBDcnt, $iBBcnt, $iPPScnt);
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// Make Small Data string (write SBD)
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$this->_data = $this->_makeSmallData($aList);
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// Write BB
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$this->_saveBigData($iSBDcnt, $aList);
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// Write PPS
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$this->_savePps($aList);
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// Write Big Block Depot and BDList and Adding Header informations
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$this->_saveBbd($iSBDcnt, $iBBcnt, $iPPScnt);
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// Close File, send it to stdout if necessary
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if (($filename == '-') || ($filename == '')) {
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fseek($this->_FILEH_, 0);
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fpassthru($this->_FILEH_);
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@fclose($this->_FILEH_);
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// Delete the temporary file.
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@unlink($this->_tmp_filename);
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} else {
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@fclose($this->_FILEH_);
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}
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return true;
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}
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/**
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* Calculate some numbers
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*
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* @access private
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* @param array $raList Reference to an array of PPS's
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* @return array The array of numbers
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*/
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function _calcSize(&$raList)
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{
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// Calculate Basic Setting
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list($iSBDcnt, $iBBcnt, $iPPScnt) = array(0,0,0);
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$iSmallLen = 0;
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$iSBcnt = 0;
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for ($i = 0; $i < count($raList); $i++) {
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if ($raList[$i]->Type == OLE_PPS_TYPE_FILE) {
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$raList[$i]->Size = $raList[$i]->_DataLen();
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if ($raList[$i]->Size < OLE_DATA_SIZE_SMALL) {
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$iSBcnt += floor($raList[$i]->Size / $this->_SMALL_BLOCK_SIZE)
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+ (($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)? 1: 0);
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} else {
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$iBBcnt += (floor($raList[$i]->Size / $this->_BIG_BLOCK_SIZE) +
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(($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)? 1: 0));
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}
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}
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}
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$iSmallLen = $iSBcnt * $this->_SMALL_BLOCK_SIZE;
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$iSlCnt = floor($this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE);
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$iSBDcnt = floor($iSBcnt / $iSlCnt) + (($iSBcnt % $iSlCnt)? 1:0);
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$iBBcnt += (floor($iSmallLen / $this->_BIG_BLOCK_SIZE) +
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(( $iSmallLen % $this->_BIG_BLOCK_SIZE)? 1: 0));
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$iCnt = count($raList);
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$iBdCnt = $this->_BIG_BLOCK_SIZE / OLE_PPS_SIZE;
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$iPPScnt = (floor($iCnt/$iBdCnt) + (($iCnt % $iBdCnt)? 1: 0));
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return array($iSBDcnt, $iBBcnt, $iPPScnt);
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}
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/**
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* Helper function for caculating a magic value for block sizes
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*
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* @access private
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* @param integer $i2 The argument
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* @see save()
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* @return integer
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*/
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function _adjust2($i2)
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{
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$iWk = log($i2)/log(2);
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return ($iWk > floor($iWk))? floor($iWk)+1:$iWk;
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}
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/**
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* Save OLE header
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*
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* @access private
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* @param integer $iSBDcnt
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* @param integer $iBBcnt
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* @param integer $iPPScnt
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*/
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function _saveHeader($iSBDcnt, $iBBcnt, $iPPScnt)
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{
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$FILE = $this->_FILEH_;
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if($this->new_func)
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return $this->_create_header($iSBDcnt, $iBBcnt, $iPPScnt);
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// Calculate Basic Setting
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$iBlCnt = $this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE;
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$i1stBdL = ($this->_BIG_BLOCK_SIZE - 0x4C) / OLE_LONG_INT_SIZE;
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$iBdExL = 0;
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$iAll = $iBBcnt + $iPPScnt + $iSBDcnt;
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$iAllW = $iAll;
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$iBdCntW = floor($iAllW / $iBlCnt) + (($iAllW % $iBlCnt)? 1: 0);
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$iBdCnt = floor(($iAll + $iBdCntW) / $iBlCnt) + ((($iAllW+$iBdCntW) % $iBlCnt)? 1: 0);
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// Calculate BD count
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if ($iBdCnt > $i1stBdL) {
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while (1) {
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$iBdExL++;
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$iAllW++;
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$iBdCntW = floor($iAllW / $iBlCnt) + (($iAllW % $iBlCnt)? 1: 0);
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$iBdCnt = floor(($iAllW + $iBdCntW) / $iBlCnt) + ((($iAllW+$iBdCntW) % $iBlCnt)? 1: 0);
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if ($iBdCnt <= ($iBdExL*$iBlCnt+ $i1stBdL)) {
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break;
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}
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}
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}
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// Save Header
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fwrite($FILE,
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"\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1"
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. "\x00\x00\x00\x00"
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. "\x00\x00\x00\x00"
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. "\x00\x00\x00\x00"
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. "\x00\x00\x00\x00"
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. pack("v", 0x3b)
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. pack("v", 0x03)
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. pack("v", -2)
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. pack("v", 9)
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. pack("v", 6)
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. pack("v", 0)
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. "\x00\x00\x00\x00"
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. "\x00\x00\x00\x00"
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. pack("V", $iBdCnt)
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. pack("V", $iBBcnt+$iSBDcnt) //ROOT START
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. pack("V", 0)
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. pack("V", 0x1000)
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. pack("V", $iSBDcnt ? 0 : -2) //Small Block Depot
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. pack("V", $iSBDcnt)
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);
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// Extra BDList Start, Count
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if ($iBdCnt < $i1stBdL) {
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fwrite($FILE,
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pack("V", -2). // Extra BDList Start
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pack("V", 0) // Extra BDList Count
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);
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} else {
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fwrite($FILE, pack("V", $iAll+$iBdCnt) . pack("V", $iBdExL));
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}
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// BDList
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for ($i = 0; $i < $i1stBdL && $i < $iBdCnt; $i++) {
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fwrite($FILE, pack("V", $iAll+$i));
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}
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if ($i < $i1stBdL) {
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for ($j = 0; $j < ($i1stBdL-$i); $j++) {
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fwrite($FILE, (pack("V", -1)));
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}
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}
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}
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/**
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* Saving big data (PPS's with data bigger than OLE_DATA_SIZE_SMALL)
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*
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* @access private
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* @param integer $iStBlk
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* @param array &$raList Reference to array of PPS's
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*/
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function _saveBigData($iStBlk, &$raList)
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{
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$FILE = $this->_FILEH_;
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// cycle through PPS's
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for ($i = 0; $i < count($raList); $i++) {
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if ($raList[$i]->Type != OLE_PPS_TYPE_DIR) {
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$raList[$i]->Size = $raList[$i]->_DataLen();
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if (($raList[$i]->Size >= OLE_DATA_SIZE_SMALL) ||
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(($raList[$i]->Type == OLE_PPS_TYPE_ROOT) && isset($raList[$i]->_data)))
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{
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// Write Data
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if (isset($raList[$i]->_PPS_FILE)) {
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$iLen = 0;
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fseek($raList[$i]->_PPS_FILE, 0); // To The Top
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while($sBuff = fread($raList[$i]->_PPS_FILE, 4096)) {
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$iLen += strlen($sBuff);
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fwrite($FILE, $sBuff);
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}
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} else {
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fwrite($FILE, $raList[$i]->_data);
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}
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if ($raList[$i]->Size % $this->_BIG_BLOCK_SIZE) {
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for ($j = 0; $j < ($this->_BIG_BLOCK_SIZE - ($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)); $j++) {
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fwrite($FILE, "\x00");
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}
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}
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// Set For PPS
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$raList[$i]->_StartBlock = $iStBlk;
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$iStBlk +=
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(floor($raList[$i]->Size / $this->_BIG_BLOCK_SIZE) +
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(($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)? 1: 0));
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}
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// Close file for each PPS, and unlink it
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321 |
if (isset($raList[$i]->_PPS_FILE)) {
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322 |
@fclose($raList[$i]->_PPS_FILE);
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$raList[$i]->_PPS_FILE = null;
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324 |
@unlink($raList[$i]->_tmp_filename);
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}
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326 |
}
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327 |
}
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328 |
}
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329 |
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330 |
/**
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331 |
* get small data (PPS's with data smaller than OLE_DATA_SIZE_SMALL)
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332 |
*
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333 |
* @access private
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334 |
* @param array &$raList Reference to array of PPS's
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335 |
*/
|
|
|
336 |
function _makeSmallData(&$raList)
|
|
|
337 |
{
|
|
|
338 |
$sRes = '';
|
|
|
339 |
$FILE = $this->_FILEH_;
|
|
|
340 |
$iSmBlk = 0;
|
|
|
341 |
|
|
|
342 |
for ($i = 0; $i < count($raList); $i++) {
|
|
|
343 |
// Make SBD, small data string
|
|
|
344 |
if ($raList[$i]->Type == OLE_PPS_TYPE_FILE) {
|
|
|
345 |
if ($raList[$i]->Size <= 0) {
|
|
|
346 |
continue;
|
|
|
347 |
}
|
|
|
348 |
if ($raList[$i]->Size < OLE_DATA_SIZE_SMALL) {
|
|
|
349 |
$iSmbCnt = floor($raList[$i]->Size / $this->_SMALL_BLOCK_SIZE)
|
|
|
350 |
+ (($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)? 1: 0);
|
|
|
351 |
// Add to SBD
|
|
|
352 |
for ($j = 0; $j < ($iSmbCnt-1); $j++) {
|
|
|
353 |
fwrite($FILE, pack("V", $j+$iSmBlk+1));
|
|
|
354 |
}
|
|
|
355 |
fwrite($FILE, pack("V", -2));
|
|
|
356 |
|
|
|
357 |
// Add to Data String(this will be written for RootEntry)
|
|
|
358 |
if ($raList[$i]->_PPS_FILE) {
|
|
|
359 |
fseek($raList[$i]->_PPS_FILE, 0); // To The Top
|
|
|
360 |
while ($sBuff = fread($raList[$i]->_PPS_FILE, 4096)) {
|
|
|
361 |
$sRes .= $sBuff;
|
|
|
362 |
}
|
|
|
363 |
} else {
|
|
|
364 |
$sRes .= $raList[$i]->_data;
|
|
|
365 |
}
|
|
|
366 |
if ($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE) {
|
|
|
367 |
for ($j = 0; $j < ($this->_SMALL_BLOCK_SIZE - ($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)); $j++) {
|
|
|
368 |
$sRes .= "\x00";
|
|
|
369 |
}
|
|
|
370 |
}
|
|
|
371 |
// Set for PPS
|
|
|
372 |
$raList[$i]->_StartBlock = $iSmBlk;
|
|
|
373 |
$iSmBlk += $iSmbCnt;
|
|
|
374 |
}
|
|
|
375 |
}
|
|
|
376 |
}
|
|
|
377 |
$iSbCnt = floor($this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE);
|
|
|
378 |
if ($iSmBlk % $iSbCnt) {
|
|
|
379 |
for ($i = 0; $i < ($iSbCnt - ($iSmBlk % $iSbCnt)); $i++) {
|
|
|
380 |
fwrite($FILE, pack("V", -1));
|
|
|
381 |
}
|
|
|
382 |
}
|
|
|
383 |
return $sRes;
|
|
|
384 |
}
|
|
|
385 |
|
|
|
386 |
/**
|
|
|
387 |
* Saves all the PPS's WKs
|
|
|
388 |
*
|
|
|
389 |
* @access private
|
|
|
390 |
* @param array $raList Reference to an array with all PPS's
|
|
|
391 |
*/
|
|
|
392 |
function _savePps(&$raList)
|
|
|
393 |
{
|
|
|
394 |
// Save each PPS WK
|
|
|
395 |
for ($i = 0; $i < count($raList); $i++) {
|
|
|
396 |
fwrite($this->_FILEH_, $raList[$i]->_getPpsWk());
|
|
|
397 |
}
|
|
|
398 |
// Adjust for Block
|
|
|
399 |
$iCnt = count($raList);
|
|
|
400 |
$iBCnt = $this->_BIG_BLOCK_SIZE / OLE_PPS_SIZE;
|
|
|
401 |
if ($iCnt % $iBCnt) {
|
|
|
402 |
for ($i = 0; $i < (($iBCnt - ($iCnt % $iBCnt)) * OLE_PPS_SIZE); $i++) {
|
|
|
403 |
fwrite($this->_FILEH_, "\x00");
|
|
|
404 |
}
|
|
|
405 |
}
|
|
|
406 |
}
|
|
|
407 |
|
|
|
408 |
/**
|
|
|
409 |
* Saving Big Block Depot
|
|
|
410 |
*
|
|
|
411 |
* @access private
|
|
|
412 |
* @param integer $iSbdSize
|
|
|
413 |
* @param integer $iBsize
|
|
|
414 |
* @param integer $iPpsCnt
|
|
|
415 |
*/
|
|
|
416 |
function _saveBbd($iSbdSize, $iBsize, $iPpsCnt)
|
|
|
417 |
{
|
|
|
418 |
if($this->new_func)
|
|
|
419 |
return $this->_create_big_block_chain($iSbdSize, $iBsize, $iPpsCnt);
|
|
|
420 |
|
|
|
421 |
$FILE = $this->_FILEH_;
|
|
|
422 |
// Calculate Basic Setting
|
|
|
423 |
$iBbCnt = $this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE;
|
|
|
424 |
$i1stBdL = ($this->_BIG_BLOCK_SIZE - 0x4C) / OLE_LONG_INT_SIZE;
|
|
|
425 |
|
|
|
426 |
$iBdExL = 0;
|
|
|
427 |
$iAll = $iBsize + $iPpsCnt + $iSbdSize;
|
|
|
428 |
$iAllW = $iAll;
|
|
|
429 |
$iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt)? 1: 0);
|
|
|
430 |
$iBdCnt = floor(($iAll + $iBdCntW) / $iBbCnt) + ((($iAllW+$iBdCntW) % $iBbCnt)? 1: 0);
|
|
|
431 |
// Calculate BD count
|
|
|
432 |
if ($iBdCnt >$i1stBdL) {
|
|
|
433 |
while (1) {
|
|
|
434 |
$iBdExL++;
|
|
|
435 |
$iAllW++;
|
|
|
436 |
$iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt)? 1: 0);
|
|
|
437 |
$iBdCnt = floor(($iAllW + $iBdCntW) / $iBbCnt) + ((($iAllW+$iBdCntW) % $iBbCnt)? 1: 0);
|
|
|
438 |
if ($iBdCnt <= ($iBdExL*$iBbCnt+ $i1stBdL)) {
|
|
|
439 |
break;
|
|
|
440 |
}
|
|
|
441 |
}
|
|
|
442 |
}
|
|
|
443 |
|
|
|
444 |
// Making BD
|
|
|
445 |
// Set for SBD
|
|
|
446 |
if ($iSbdSize > 0) {
|
|
|
447 |
for ($i = 0; $i < ($iSbdSize - 1); $i++) {
|
|
|
448 |
fwrite($FILE, pack("V", $i+1));
|
|
|
449 |
}
|
|
|
450 |
fwrite($FILE, pack("V", -2));
|
|
|
451 |
}
|
|
|
452 |
// Set for B
|
|
|
453 |
for ($i = 0; $i < ($iBsize - 1); $i++) {
|
|
|
454 |
fwrite($FILE, pack("V", $i+$iSbdSize+1));
|
|
|
455 |
}
|
|
|
456 |
fwrite($FILE, pack("V", -2));
|
|
|
457 |
|
|
|
458 |
// Set for PPS
|
|
|
459 |
for ($i = 0; $i < ($iPpsCnt - 1); $i++) {
|
|
|
460 |
fwrite($FILE, pack("V", $i+$iSbdSize+$iBsize+1));
|
|
|
461 |
}
|
|
|
462 |
fwrite($FILE, pack("V", -2));
|
|
|
463 |
// Set for BBD itself ( 0xFFFFFFFD : BBD)
|
|
|
464 |
for ($i = 0; $i < $iBdCnt; $i++) {
|
|
|
465 |
fwrite($FILE, pack("V", 0xFFFFFFFD));
|
|
|
466 |
}
|
|
|
467 |
// Set for ExtraBDList
|
|
|
468 |
for ($i = 0; $i < $iBdExL; $i++) {
|
|
|
469 |
fwrite($FILE, pack("V", 0xFFFFFFFC));
|
|
|
470 |
}
|
|
|
471 |
// Adjust for Block
|
|
|
472 |
if (($iAllW + $iBdCnt) % $iBbCnt) {
|
|
|
473 |
for ($i = 0; $i < ($iBbCnt - (($iAllW + $iBdCnt) % $iBbCnt)); $i++) {
|
|
|
474 |
fwrite($FILE, pack("V", -1));
|
|
|
475 |
}
|
|
|
476 |
}
|
|
|
477 |
// Extra BDList
|
|
|
478 |
if ($iBdCnt > $i1stBdL) {
|
|
|
479 |
$iN=0;
|
|
|
480 |
$iNb=0;
|
|
|
481 |
for ($i = $i1stBdL;$i < $iBdCnt; $i++, $iN++) {
|
|
|
482 |
if ($iN >= ($iBbCnt - 1)) {
|
|
|
483 |
$iN = 0;
|
|
|
484 |
$iNb++;
|
|
|
485 |
fwrite($FILE, pack("V", $iAll+$iBdCnt+$iNb));
|
|
|
486 |
}
|
|
|
487 |
fwrite($FILE, pack("V", $iBsize+$iSbdSize+$iPpsCnt+$i));
|
|
|
488 |
}
|
|
|
489 |
if (($iBdCnt-$i1stBdL) % ($iBbCnt-1)) {
|
|
|
490 |
for ($i = 0; $i < (($iBbCnt - 1) - (($iBdCnt - $i1stBdL) % ($iBbCnt - 1))); $i++) {
|
|
|
491 |
fwrite($FILE, pack("V", -1));
|
|
|
492 |
}
|
|
|
493 |
}
|
|
|
494 |
fwrite($FILE, pack("V", -2));
|
|
|
495 |
}
|
|
|
496 |
}
|
|
|
497 |
|
|
|
498 |
|
|
|
499 |
|
|
|
500 |
/**
|
|
|
501 |
* New method to store Bigblock chain
|
|
|
502 |
*
|
|
|
503 |
* @access private
|
|
|
504 |
* @param integer $num_sb_blocks - number of Smallblock depot blocks
|
|
|
505 |
* @param integer $num_bb_blocks - number of Bigblock depot blocks
|
|
|
506 |
* @param integer $num_pps_blocks - number of PropertySetStorage blocks
|
|
|
507 |
*/
|
|
|
508 |
function _create_big_block_chain($num_sb_blocks, $num_bb_blocks, $num_pps_blocks)
|
|
|
509 |
{
|
|
|
510 |
$FILE = $this->_FILEH_;
|
|
|
511 |
|
|
|
512 |
$bbd_info = $this->_calculate_big_block_chain($num_sb_blocks, $num_bb_blocks, $num_pps_blocks);
|
|
|
513 |
|
|
|
514 |
$data = "";
|
|
|
515 |
|
|
|
516 |
if($num_sb_blocks > 0)
|
|
|
517 |
{
|
|
|
518 |
for($i = 0; $i<($num_sb_blocks-1); $i++)
|
|
|
519 |
$data .= pack("V", $i+1);
|
|
|
520 |
$data .= pack("V", -2);
|
|
|
521 |
}
|
|
|
522 |
|
|
|
523 |
for($i = 0; $i<($num_bb_blocks-1); $i++)
|
|
|
524 |
$data .= pack("V", $i + $num_sb_blocks + 1);
|
|
|
525 |
$data .= pack("V", -2);
|
|
|
526 |
|
|
|
527 |
for($i = 0; $i<($num_pps_blocks-1); $i++)
|
|
|
528 |
$data .= pack("V", $i + $num_sb_blocks + $num_bb_blocks + 1);
|
|
|
529 |
$data .= pack("V", -2);
|
|
|
530 |
|
|
|
531 |
for($i = 0; $i < $bbd_info["0xFFFFFFFD_blockchain_entries"]; $i++)
|
|
|
532 |
$data .= pack("V", 0xFFFFFFFD);
|
|
|
533 |
|
|
|
534 |
for($i = 0; $i < $bbd_info["0xFFFFFFFC_blockchain_entries"]; $i++)
|
|
|
535 |
$data .= pack("V", 0xFFFFFFFC);
|
|
|
536 |
|
|
|
537 |
// Adjust for Block
|
|
|
538 |
$all_entries = $num_sb_blocks + $num_bb_blocks + $num_pps_blocks + $bbd_info["0xFFFFFFFD_blockchain_entries"] + $bbd_info["0xFFFFFFFC_blockchain_entries"];
|
|
|
539 |
if($all_entries % $bbd_info["entries_per_block"])
|
|
|
540 |
{
|
|
|
541 |
$rest = $bbd_info["entries_per_block"] - ($all_entries % $bbd_info["entries_per_block"]);
|
|
|
542 |
for($i = 0; $i < $rest; $i++)
|
|
|
543 |
$data .= pack("V", -1);
|
|
|
544 |
}
|
|
|
545 |
|
|
|
546 |
// Extra BDList
|
|
|
547 |
if($bbd_info["blockchain_list_entries"] > $bbd_info["header_blockchain_list_entries"])
|
|
|
548 |
{
|
|
|
549 |
$iN=0;
|
|
|
550 |
$iNb=0;
|
|
|
551 |
for($i = $bbd_info["header_blockchain_list_entries"]; $i < $bbd_info["blockchain_list_entries"]; $i++, $iN++)
|
|
|
552 |
{
|
|
|
553 |
if($iN >= ($bbd_info["entries_per_block"]-1))
|
|
|
554 |
{
|
|
|
555 |
$iN = 0;
|
|
|
556 |
$iNb++;
|
|
|
557 |
$data .= pack("V", $num_sb_blocks + $num_bb_blocks + $num_pps_blocks + $bbd_info["0xFFFFFFFD_blockchain_entries"] + $iNb);
|
|
|
558 |
}
|
|
|
559 |
|
|
|
560 |
$data .= pack("V", $num_bb_blocks + $num_sb_blocks + $num_pps_blocks + $i);
|
|
|
561 |
}
|
|
|
562 |
|
|
|
563 |
$all_entries = $bbd_info["blockchain_list_entries"] - $bbd_info["header_blockchain_list_entries"];
|
|
|
564 |
if(($all_entries % ($bbd_info["entries_per_block"] - 1)))
|
|
|
565 |
{
|
|
|
566 |
$rest = ($bbd_info["entries_per_block"] - 1) - ($all_entries % ($bbd_info["entries_per_block"] - 1));
|
|
|
567 |
for($i = 0; $i < $rest; $i++)
|
|
|
568 |
$data .= pack("V", -1);
|
|
|
569 |
}
|
|
|
570 |
|
|
|
571 |
$data .= pack("V", -2);
|
|
|
572 |
}
|
|
|
573 |
|
|
|
574 |
/*
|
|
|
575 |
$this->dump($data, 0, strlen($data));
|
|
|
576 |
die;
|
|
|
577 |
*/
|
|
|
578 |
|
|
|
579 |
fwrite($FILE, $data);
|
|
|
580 |
}
|
|
|
581 |
|
|
|
582 |
/**
|
|
|
583 |
* New method to store Header
|
|
|
584 |
*
|
|
|
585 |
* @access private
|
|
|
586 |
* @param integer $num_sb_blocks - number of Smallblock depot blocks
|
|
|
587 |
* @param integer $num_bb_blocks - number of Bigblock depot blocks
|
|
|
588 |
* @param integer $num_pps_blocks - number of PropertySetStorage blocks
|
|
|
589 |
*/
|
|
|
590 |
function _create_header($num_sb_blocks, $num_bb_blocks, $num_pps_blocks)
|
|
|
591 |
{
|
|
|
592 |
$FILE = $this->_FILEH_;
|
|
|
593 |
|
|
|
594 |
$bbd_info = $this->_calculate_big_block_chain($num_sb_blocks, $num_bb_blocks, $num_pps_blocks);
|
|
|
595 |
|
|
|
596 |
// Save Header
|
|
|
597 |
fwrite($FILE,
|
|
|
598 |
"\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1"
|
|
|
599 |
. "\x00\x00\x00\x00"
|
|
|
600 |
. "\x00\x00\x00\x00"
|
|
|
601 |
. "\x00\x00\x00\x00"
|
|
|
602 |
. "\x00\x00\x00\x00"
|
|
|
603 |
. pack("v", 0x3b)
|
|
|
604 |
. pack("v", 0x03)
|
|
|
605 |
. pack("v", -2)
|
|
|
606 |
. pack("v", 9)
|
|
|
607 |
. pack("v", 6)
|
|
|
608 |
. pack("v", 0)
|
|
|
609 |
. "\x00\x00\x00\x00"
|
|
|
610 |
. "\x00\x00\x00\x00"
|
|
|
611 |
. pack("V", $bbd_info["blockchain_list_entries"])
|
|
|
612 |
. pack("V", $num_sb_blocks + $num_bb_blocks) //ROOT START
|
|
|
613 |
. pack("V", 0)
|
|
|
614 |
. pack("V", 0x1000)
|
|
|
615 |
);
|
|
|
616 |
|
|
|
617 |
//Small Block Depot
|
|
|
618 |
if($num_sb_blocks > 0)
|
|
|
619 |
fwrite($FILE, pack("V", 0));
|
|
|
620 |
else
|
|
|
621 |
fwrite($FILE, pack("V", -2));
|
|
|
622 |
|
|
|
623 |
fwrite($FILE, pack("V", 1));
|
|
|
624 |
|
|
|
625 |
// Extra BDList Start, Count
|
|
|
626 |
if($bbd_info["blockchain_list_entries"] < $bbd_info["header_blockchain_list_entries"])
|
|
|
627 |
{
|
|
|
628 |
fwrite($FILE,
|
|
|
629 |
pack("V", -2). // Extra BDList Start
|
|
|
630 |
pack("V", 0) // Extra BDList Count
|
|
|
631 |
);
|
|
|
632 |
}
|
|
|
633 |
else
|
|
|
634 |
{
|
|
|
635 |
fwrite($FILE, pack("V", $num_sb_blocks + $num_bb_blocks + $num_pps_blocks + $bbd_info["0xFFFFFFFD_blockchain_entries"]) . pack("V", $bbd_info["0xFFFFFFFC_blockchain_entries"]));
|
|
|
636 |
}
|
|
|
637 |
|
|
|
638 |
// BDList
|
|
|
639 |
for ($i=0; $i < $bbd_info["header_blockchain_list_entries"] and $i < $bbd_info["blockchain_list_entries"]; $i++)
|
|
|
640 |
{
|
|
|
641 |
fwrite($FILE, pack("V", $num_bb_blocks + $num_sb_blocks + $num_pps_blocks + $i));
|
|
|
642 |
}
|
|
|
643 |
|
|
|
644 |
if($i < $bbd_info["header_blockchain_list_entries"])
|
|
|
645 |
{
|
|
|
646 |
for($j = 0; $j < ($bbd_info["header_blockchain_list_entries"]-$i); $j++)
|
|
|
647 |
{
|
|
|
648 |
fwrite($FILE, (pack("V", -1)));
|
|
|
649 |
}
|
|
|
650 |
}
|
|
|
651 |
}
|
|
|
652 |
|
|
|
653 |
/**
|
|
|
654 |
* New method to calculate Bigblock chain
|
|
|
655 |
*
|
|
|
656 |
* @access private
|
|
|
657 |
* @param integer $num_sb_blocks - number of Smallblock depot blocks
|
|
|
658 |
* @param integer $num_bb_blocks - number of Bigblock depot blocks
|
|
|
659 |
* @param integer $num_pps_blocks - number of PropertySetStorage blocks
|
|
|
660 |
*/
|
|
|
661 |
function _calculate_big_block_chain($num_sb_blocks, $num_bb_blocks, $num_pps_blocks)
|
|
|
662 |
{
|
|
|
663 |
$bbd_info["entries_per_block"] = $this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE;
|
|
|
664 |
$bbd_info["header_blockchain_list_entries"] = ($this->_BIG_BLOCK_SIZE - 0x4C) / OLE_LONG_INT_SIZE;
|
|
|
665 |
$bbd_info["blockchain_entries"] = $num_sb_blocks + $num_bb_blocks + $num_pps_blocks;
|
|
|
666 |
$bbd_info["0xFFFFFFFD_blockchain_entries"] = $this->get_number_of_pointer_blocks($bbd_info["blockchain_entries"]);
|
|
|
667 |
$bbd_info["blockchain_list_entries"] = $this->get_number_of_pointer_blocks($bbd_info["blockchain_entries"] + $bbd_info["0xFFFFFFFD_blockchain_entries"]);
|
|
|
668 |
|
|
|
669 |
// do some magic
|
|
|
670 |
$bbd_info["ext_blockchain_list_entries"] = 0;
|
|
|
671 |
$bbd_info["0xFFFFFFFC_blockchain_entries"] = 0;
|
|
|
672 |
if($bbd_info["blockchain_list_entries"] > $bbd_info["header_blockchain_list_entries"])
|
|
|
673 |
{
|
|
|
674 |
do
|
|
|
675 |
{
|
|
|
676 |
$bbd_info["blockchain_list_entries"] = $this->get_number_of_pointer_blocks($bbd_info["blockchain_entries"] + $bbd_info["0xFFFFFFFD_blockchain_entries"] + $bbd_info["0xFFFFFFFC_blockchain_entries"]);
|
|
|
677 |
$bbd_info["ext_blockchain_list_entries"] = $bbd_info["blockchain_list_entries"] - $bbd_info["header_blockchain_list_entries"];
|
|
|
678 |
$bbd_info["0xFFFFFFFC_blockchain_entries"] = $this->get_number_of_pointer_blocks($bbd_info["ext_blockchain_list_entries"]);
|
|
|
679 |
$bbd_info["0xFFFFFFFD_blockchain_entries"] = $this->get_number_of_pointer_blocks($num_sb_blocks + $num_bb_blocks + $num_pps_blocks + $bbd_info["0xFFFFFFFD_blockchain_entries"] + $bbd_info["0xFFFFFFFC_blockchain_entries"]);
|
|
|
680 |
}
|
|
|
681 |
while($bbd_info["blockchain_list_entries"] < $this->get_number_of_pointer_blocks($bbd_info["blockchain_entries"] + $bbd_info["0xFFFFFFFD_blockchain_entries"] + $bbd_info["0xFFFFFFFC_blockchain_entries"]));
|
|
|
682 |
}
|
|
|
683 |
|
|
|
684 |
return $bbd_info;
|
|
|
685 |
}
|
|
|
686 |
|
|
|
687 |
/**
|
|
|
688 |
* Calculates number of pointer blocks
|
|
|
689 |
*
|
|
|
690 |
* @access public
|
|
|
691 |
* @param integer $num_pointers - number of pointers
|
|
|
692 |
*/
|
|
|
693 |
function get_number_of_pointer_blocks($num_pointers)
|
|
|
694 |
{
|
|
|
695 |
$pointers_per_block = $this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE;
|
|
|
696 |
|
|
|
697 |
return floor($num_pointers / $pointers_per_block) + (($num_pointers % $pointers_per_block)? 1: 0);
|
|
|
698 |
}
|
|
|
699 |
|
|
|
700 |
/**
|
|
|
701 |
* Support method for some hexdumping
|
|
|
702 |
*
|
|
|
703 |
* @access public
|
|
|
704 |
* @param string $data - Binary data
|
|
|
705 |
* @param integer $from - Start offset of data to dump
|
|
|
706 |
* @param integer $to - Target offset of data to dump
|
|
|
707 |
*/
|
|
|
708 |
function dump($data, $from, $to)
|
|
|
709 |
{
|
|
|
710 |
$chars = array();
|
|
|
711 |
$i = 0;
|
|
|
712 |
for($i = $from; $i < $to; $i++)
|
|
|
713 |
{
|
|
|
714 |
if(sizeof($chars) == 16)
|
|
|
715 |
{
|
|
|
716 |
printf("%08X (% 12d) |", $i-16, $i-16);
|
|
|
717 |
foreach($chars as $char)
|
|
|
718 |
printf(" %02X", $char);
|
|
|
719 |
print " |\n";
|
|
|
720 |
|
|
|
721 |
$chars = array();
|
|
|
722 |
}
|
|
|
723 |
|
|
|
724 |
$chars[] = ord($data[$i]);
|
|
|
725 |
}
|
|
|
726 |
|
|
|
727 |
if(sizeof($chars))
|
|
|
728 |
{
|
|
|
729 |
printf("%08X (% 12d) |", $i-sizeof($chars), $i-sizeof($chars));
|
|
|
730 |
foreach($chars as $char)
|
|
|
731 |
printf(" %02X", $char);
|
|
|
732 |
print " |\n";
|
|
|
733 |
|
|
|
734 |
$chars = array();
|
|
|
735 |
}
|
|
|
736 |
}
|
|
|
737 |
}
|
|
|
738 |
?>
|