ecshop修饰符preg_replace/e不安全的几处改动

2016-09-07 22:02 来源:www.chinab4c.com 作者:ecshop专家

主要集中在 upload/includes/cls_template.php 文件中:
  1:line 300 :
  原语句:
  return preg_replace("/{([^\\}\\{\\n]*)}/e", "\\$this->select('\\\\1');", $source);
  修改为:
  return preg_replace_callback("/{([^\\}\\{\\n]*)}/", function($r) { return $this->select($r[1]); }, $source);

  2:line 495:
   原语句:
  $out = "<?php \\n" . '$k = ' . preg_replace("/(\\'\\\\$[^,]+)/e" , "stripslashes(trim('\\\\1','\\''));", var_export($t, true)) . ";\\n";
  修改为:
  $replacement = preg_replace_callback("/(\\'\\\\$[^,]+)/" ,
                                                function($matcher){
                                return stripslashes(trim($matcher[1],'\\''));
                            },
                     var_export($t, true));
                       $out = "<?php \\n" . '$k = ' . $replacement . ";\\n";

  3:line 554: //zuimoban.com  转载不带网址,木JJ

   原语句:
   $val = preg_replace("/\\[([^\\[\\]]*)\\]/eis", "'.'.str_replace('$','\\$','\\\\1')", $val);

    修改为:
    $val = preg_replace_callback("/\\[([^\\[\\]]*)\\]/is", 
                    function ($matcher) {
                        return '.'.str_replace('$','\\$',$matcher[1]);
                    },    
     $val);

  4:line 1071:

    原语句:
    $replacement = "'{include file='.strtolower('\\\\1'). '}'";
    $source      = preg_replace($pattern, $replacement, $source);
 
    修改为:
    $source      = preg_replace_callback($pattern,
                    function ($matcher) {
                        return '{include file=' . strtolower($matcher[1]). '}'; 
                    },
                    $source);(责任编辑:chinab4c)