/*
* 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.sshd.server;
import org.apache.sshd.server.session.ServerSession;
/**
* The PasswordAuthenticator
is used to authenticate
* users based on a password.
*
* @author Apache MINA SSHD Project
*/
public interface PasswordAuthenticator {
/**
* Check the validity of a password.
* This method should return null if the authentication fails.
*
* @param username the username
* @param password the password
* @param session the server session
* @return a boolean indicating if authentication succeeded or not
*/
boolean authenticate(String username, String password, ServerSession session);
}