/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with this
 * work for additional information regarding copyright ownership. The ASF
 * licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package org.apache.hadoop.security;

/** helper utils for tests */
public class SecurityUtilTestHelper {
  
  /**
   * Allow tests to change the resolver used for tokens
   * @param flag boolean for whether token services use ips or hosts
   */
  public static void setTokenServiceUseIp(boolean flag) {
    SecurityUtil.setTokenServiceUseIp(flag);
  }

  /**
   * Return true if externalKdc=true and the location of the krb5.conf
   * file has been specified, and false otherwise.
   */
  public static boolean isExternalKdcRunning() {
    String externalKdc = System.getProperty("externalKdc");
    String krb5Conf = System.getProperty("java.security.krb5.conf");
    if(externalKdc == null || !externalKdc.equals("true") ||
       krb5Conf == null) {
      return false;
    }
    return true;
  }

}