| /* |
| * 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; |
| |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import org.apache.sshd.client.SshClient; |
| import org.apache.sshd.client.auth.keyboard.UserInteraction; |
| import org.apache.sshd.client.session.ClientSession; |
| import org.apache.sshd.common.PropertyResolverUtils; |
| import org.apache.sshd.server.ServerFactoryManager; |
| import org.apache.sshd.server.SshServer; |
| import org.apache.sshd.util.test.BaseTestSupport; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.FixMethodOrder; |
| import org.junit.Test; |
| import org.junit.runners.MethodSorters; |
| |
| @FixMethodOrder(MethodSorters.NAME_ASCENDING) |
| public class WelcomeBannerTest extends BaseTestSupport { |
| |
| private static final String WELCOME = "Welcome to SSHD WelcomeBannerTest"; |
| |
| private SshServer sshd; |
| private int port; |
| |
| public WelcomeBannerTest() { |
| super(); |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| sshd = setupTestServer(); |
| PropertyResolverUtils.updateProperty(sshd, ServerFactoryManager.WELCOME_BANNER, WELCOME); |
| sshd.start(); |
| port = sshd.getPort(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| if (sshd != null) { |
| sshd.stop(true); |
| } |
| } |
| |
| @Test |
| public void testBanner() throws Exception { |
| try (SshClient client = setupTestClient()) { |
| final AtomicReference<String> welcomeHolder = new AtomicReference<>(null); |
| final AtomicReference<ClientSession> sessionHolder = new AtomicReference<>(null); |
| client.setUserInteraction(new UserInteraction() { |
| @Override |
| public boolean isInteractionAllowed(ClientSession session) { |
| return true; |
| } |
| |
| @Override |
| public void serverVersionInfo(ClientSession session, List<String> lines) { |
| validateSession("serverVersionInfo", session); |
| } |
| |
| @Override |
| public void welcome(ClientSession session, String banner, String lang) { |
| validateSession("welcome", session); |
| assertNull("Multiple banner invocations", welcomeHolder.getAndSet(banner)); |
| } |
| |
| @Override |
| public String[] interactive(ClientSession session, String name, String instruction, String lang, String[] prompt, boolean[] echo) { |
| validateSession("interactive", session); |
| return null; |
| } |
| |
| @Override |
| public String getUpdatedPassword(ClientSession clientSession, String prompt, String lang) { |
| throw new UnsupportedOperationException("Unexpected call"); |
| } |
| |
| private void validateSession(String phase, ClientSession session) { |
| ClientSession prev = sessionHolder.getAndSet(session); |
| if (prev != null) { |
| assertSame("Mismatched " + phase + " client session", prev, session); |
| } |
| } |
| }); |
| client.start(); |
| |
| try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) { |
| session.addPasswordIdentity(getCurrentTestName()); |
| session.auth().verify(5L, TimeUnit.SECONDS); |
| assertSame("Mismatched sessions", session, sessionHolder.get()); |
| assertEquals("Mismatched banner", WELCOME, welcomeHolder.get()); |
| } finally { |
| client.stop(); |
| } |
| } |
| } |
| } |