sgi/const/index_action.php

<?php
/* 
 * Entra al sistema
 
 * Success:
 *  Redirecciona a main.php
 */
include_once("../include/constantes.php");//continue on error
include_once("../include/nocache.php");//continue on error
require_once("../include/bd_pdo.php");//die on error
require_once("../classes/ValidaSesion.php");

$objSesion = new ValidaSesion($pdo, null, CONSTANCIA);
if(!$objSesion->tieneAcceso()){
    header("Location: ../index.php?error=0");
}
header("Location: main.php");
$pdo = null;
?>