Parameters

$v_header:

Return value

bool

2 calls to Archive_Tar::_readLongHeader()

Archive_Tar::_extractInString in modules/system/system.tar.inc

This method extract from the archive one file identified by $p_filename. The return value is a string with the file content, or null on error.

Archive_Tar::_extractList in modules/system/system.tar.inc

File

modules/system/system.tar.inc, line 1885

Class

Archive_Tar

Creates a (compressed) Tar archive

Code

public function _readLongHeader(&$v_header) {
  $v_filename = '';
  $v_filesize = $v_header['size'];
  $n = floor($v_header['size'] / 512);
  for ($i = 0; $i < $n; $i++) {
    $v_content = $this->_readBlock();
    $v_filename .= $v_content;
  }
  if ($v_header['size'] % 512 != 0) {
    $v_content = $this->_readBlock();
    $v_filename .= $v_content;
  }
  // ----- Read the next header
  $v_binary_data = $this->_readBlock();
  if (!$this->_readHeader($v_binary_data, $v_header)) {
    return false;
  }
  $v_filename = rtrim(substr($v_filename, 0, $v_filesize), "\x00");
  $v_header['filename'] = $v_filename;
  if ($this->_isMaliciousFilename($v_filename)) {
    $this->_error('Malicious .tar detected, file "' . $v_filename . '" will not install in desired directory tree');
    return false;
  }
  return true;
}

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