帝国CMS（全版） 验证码可无视！可导致验证码无效（验证码识别都是渣渣）

//显示验证码
 function ShowKey($v){
  $vname=ecmsReturnKeyVarname($v);
  $key=strtolower(domake_password(4));
  ecmsSetShowKey($vname,$key);
  ..................
 }

//返回变量名
 function ecmsReturnKeyVarname($v){
  if($v=='login')//登陆
  {
   $name='checkloginkey';
  }
  elseif($v=='reg')//注册
  {
   $name='checkregkey';
  }
  elseif($v=='info')//信息
  {
   $name='checkinfokey';
  }
  elseif($v=='spacefb')//空间反馈
  {
   $name='checkspacefbkey';
  }
  elseif($v=='spacegb')//空间留言
  {
   $name='checkspacegbkey';
  }
  elseif($v=='gbook')//留言
  {
   $name='checkgbookkey';
  }
  elseif($v=='feedback')//反馈
  {
   $name='checkfeedbackkey';
  }
  elseif($v=='getpassword')//取回密码
  {
   $name='checkgetpasskey';
  }
  elseif($v=='regsend')//重发激活邮件
  {
   $name='checkregsendkey';
  }
  else//评论pl
  {
   $name='checkplkey';
  }
  return $name;
 }

/设置验证码
 function ecmsSetShowKey($varname,$val,$ecms=0){
  global $public_r;
  $val=md5($val);
  $time=time();
  $checkpass=md5(md5($val.'EmpireCMS'.$time).$public_r['keyrnd']);
  $key=$time.','.$checkpass.','.$val;
  esetcookie($varname,$key,0,$ecms);
 }
 //设置COOKIE
 function esetcookie($var,$val,$life=0,$ecms=0){
  global $ecms_config;
  $varpre=empty($ecms)?$ecms_config['cks']['ckvarpre']:$ecms_config['cks']['ckadminvarpre'];
  return setcookie($varpre.$var,$val,$life,$ecms_config['cks']['ckpath'],$ecms_config['cks']['ckdomain']);
 }