/*
* 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.io.ByteArrayOutputStream;
import java.util.Arrays;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.apache.sshd.client.SessionFactory;
import org.apache.sshd.client.channel.ChannelShell;
import org.apache.sshd.client.future.AuthFuture;
import org.apache.sshd.client.session.ClientSessionImpl;
import org.apache.sshd.common.NamedFactory;
import org.apache.sshd.common.Session;
import org.apache.sshd.common.SessionListener;
import org.apache.sshd.common.SshConstants;
import org.apache.sshd.common.io.IoSession;
import org.apache.sshd.common.session.AbstractSession;
import org.apache.sshd.server.Command;
import org.apache.sshd.server.command.ScpCommandFactory;
import org.apache.sshd.server.sftp.SftpSubsystem;
import org.apache.sshd.util.BaseTest;
import org.apache.sshd.util.BogusPasswordAuthenticator;
import org.apache.sshd.util.EchoShellFactory;
import org.apache.sshd.util.Utils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
/**
* TODO Add javadoc
*
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class ServerTest extends BaseTest {
private SshServer sshd;
private SshClient client;
private int port;
@Before
public void setUp() throws Exception {
port = Utils.getFreePort();
sshd = SshServer.setUpDefaultServer();
sshd.setPort(port);
sshd.setKeyPairProvider(Utils.createTestHostKeyProvider());
sshd.setShellFactory(new TestEchoShellFactory());
sshd.setPasswordAuthenticator(new BogusPasswordAuthenticator());
sshd.setSessionFactory(new org.apache.sshd.server.session.SessionFactory());
sshd.start();
}
@After
public void tearDown() throws Exception {
if (sshd != null) {
sshd.stop(true);
}
if (client != null) {
client.stop();
}
}
/**
* Send bad password. The server should disconnect after a few attempts
* @throws Exception
*/
@Test
public void testFailAuthenticationWithWaitFor() throws Exception {
sshd.getProperties().put(SshServer.MAX_AUTH_REQUESTS, "10");
client = SshClient.setUpDefaultClient();
client.start();
ClientSession s = client.connect("localhost", port).await().getSession();
int nbTrials = 0;
int res = 0;
while ((res & ClientSession.CLOSED) == 0) {
nbTrials ++;
s.authPassword("smx", "buggy");
res = s.waitFor(ClientSession.CLOSED | ClientSession.WAIT_AUTH, 5000);
if (res == ClientSession.TIMEOUT) {
throw new TimeoutException();
}
}
assertTrue(nbTrials > 10);
}
@Test
public void testFailAuthenticationWithFuture() throws Exception {
sshd.getProperties().put(SshServer.MAX_AUTH_REQUESTS, "10");
client = SshClient.setUpDefaultClient();
client.start();
ClientSession s = client.connect("localhost", port).await().getSession();
int nbTrials = 0;
AuthFuture authFuture;
do {
nbTrials++;
assertTrue(nbTrials < 100);
authFuture = s.authPassword("smx", "buggy");
assertTrue(authFuture.await(5000));
assertTrue(authFuture.isDone());
assertFalse(authFuture.isSuccess());
}
while (authFuture.isFailure());
assertNotNull(authFuture.getException());
assertTrue(nbTrials > 10);
}
@Test
public void testAuthenticationTimeout() throws Exception {
sshd.getProperties().put(SshServer.AUTH_TIMEOUT, "1000");
client = SshClient.setUpDefaultClient();
client.start();
ClientSession s = client.connect("localhost", port).await().getSession();
int res = s.waitFor(ClientSession.CLOSED, 5000);
assertEquals("Session should be closed", ClientSession.CLOSED | ClientSession.WAIT_AUTH, res);
}
@Test
public void testIdleTimeout() throws Exception {
final CountDownLatch latch = new CountDownLatch(1);
TestEchoShellFactory.TestEchoShell.latch = new CountDownLatch(1);
sshd.getProperties().put(SshServer.IDLE_TIMEOUT, "2500");
sshd.getSessionFactory().addListener(new SessionListener() {
public void sessionCreated(Session session) {
System.out.println("Session created");
}
public void sessionEvent(Session sesssion, Event event) {
System.out.println("Session event: " + event);
}
public void sessionClosed(Session session) {
System.out.println("Session closed");
latch.countDown();
}
});
client = SshClient.setUpDefaultClient();
client.start();
ClientSession s = client.connect("localhost", port).await().getSession();
s.authPassword("test", "test").await();
ChannelShell shell = s.createShellChannel();
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayOutputStream err = new ByteArrayOutputStream();
shell.setOut(out);
shell.setErr(err);
shell.open().await();
int res = s.waitFor(ClientSession.CLOSED, 5000);
assertEquals("Session should be closed", ClientSession.CLOSED | ClientSession.AUTHED, res);
assertTrue(latch.await(1, TimeUnit.SECONDS));
assertTrue(TestEchoShellFactory.TestEchoShell.latch.await(1, TimeUnit.SECONDS));
}
@Test
public void testLanguage() throws Exception {
client = SshClient.setUpDefaultClient();
client.setSessionFactory(new SessionFactory() {
@Override
protected AbstractSession createSession(IoSession ioSession) throws Exception {
return new ClientSessionImpl(client, ioSession) {
@Override
protected String[] createProposal(String hostKeyTypes) {
String[] proposal = super.createProposal(hostKeyTypes);
proposal[SshConstants.PROPOSAL_LANG_CTOS] = "en-US";
proposal[SshConstants.PROPOSAL_LANG_STOC] = "en-US";
return proposal;
}
};
}
});
client.start();
ClientSession s = client.connect("localhost", port).await().getSession();
s.close(false);
}
public static class TestEchoShellFactory extends EchoShellFactory {
@Override
public Command create() {
return new TestEchoShell();
}
public static class TestEchoShell extends EchoShell {
public static CountDownLatch latch = new CountDownLatch(1);
@Override
public void destroy() {
if (latch != null) {
latch.countDown();
}
super.destroy();
}
}
}
public static void main(String[] args) throws Exception {
SshServer sshd = SshServer.setUpDefaultServer();
sshd.getProperties().put(SshServer.IDLE_TIMEOUT, "10000");
sshd.setPort(8001);
sshd.setKeyPairProvider(Utils.createTestHostKeyProvider());
sshd.setSubsystemFactories(Arrays.<NamedFactory<Command>>asList(new SftpSubsystem.Factory()));
sshd.setShellFactory(new EchoShellFactory());
sshd.setCommandFactory(new ScpCommandFactory());
sshd.setPasswordAuthenticator(new BogusPasswordAuthenticator());
sshd.start();
Thread.sleep(100000);
}
}