Código PHP:
if (!isset($_SESSION)) {
session_start();
}
$loginFormAction = $_SERVER['PHP_SELF'];
if (isset($_GET['accesscheck'])) {
$_SESSION['PrevUrl'] = $_GET['accesscheck'];
}
if (isset($_POST['US'])) {
$loginUsername=$_POST['US'];
$password=$_POST['PSW'];
$MM_fldUserAuthorization = "TIPO";
$MM_redirectLoginSuccess = "indexok.php";
$MM_redirectLoginFailed = "no.php";
$MM_redirecttoReferrer = false;
mysql_select_db($database_radio, $radio);
if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])){
$proxy=$_SERVER['REMOTE_ADDR'];
$ip_real=$_SERVER['HTTP_X_FORWARDED_FOR'];
}else{
$ip_real=$_SERVER['REMOTE_ADDR'];
}
if (!$ip_real=="180.010.4.82"||!$ip_real=="180.102.105.203")
{
echo "No estas autorizado para entrar";
exit;
}
$LoginRS__query=sprintf("SELECT US, PSW, TIPO FROM US WHERE US='%s' AND PSW='%s'",
get_magic_quotes_gpc() ? $loginUsername : addslashes($loginUsername), get_magic_quotes_gpc() ? $password : addslashes($password));
$LoginRS = mysql_query($LoginRS__query, $radio) or die(mysql_error());
$loginFoundUser = mysql_num_rows($LoginRS);
if ($loginFoundUser) {
$loginStrGroup = mysql_result($LoginRS,0,'TIPO');
//declare two session variables and assign them
$_SESSION['MM_Username'] = $loginUsername;
$_SESSION['MM_UserGroup'] = $loginStrGroup;
if (isset($_SESSION['PrevUrl']) && false) {
$MM_redirectLoginSuccess = $_SESSION['PrevUrl'];
}
header("Location: " . $MM_redirectLoginSuccess );
}
else {
header("Location: ". $MM_redirectLoginFailed );
}
}
Graxias