user.ctp

<?php $user = $this->Session->read('Auth.User');?>
<?php if (!$user) : ?>

	<?php echo $this->Form->create('User', array('novalidate' => true, 'url' => array('controller' => 'users', 'action' => 'login', 'plugin' => false, 'admin' => false)));?>
	<?php echo $this->Form->input('username');?>
	<?php echo $this->Form->input('password');?>
	<?php echo $this->Form->end('Login');?>

<?php else : ?>

	<?php echo $this->Html->link('Logout', array('admin' => false, 'plugin' => false, 'controller' => 'users', 'action' => 'logout'));?>

<?php endif;?>