<?php	


/**
 * Implements hook_permission().
 */
function materio_user_permission() {
  return array(
    'view own user profile' =>  array(
      'title' => t('view own user profile'),
      'description' => t('view own user profile'),
    ),
  );
}

/**
 * Implements hook_menu_alter().
 */
function materio_user_menu_alter(&$items) {
  $items['user/%user']['access callback'] = 'user_access';
  $items['user/%user']['access arguments'] = array('view own user profile');
}