/*
* 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,
"5000");
client = SshClient.
setUpDefaultClient();
client.
start();
ClientSession s = client.
connect("test",
"localhost", port
).
await().
getSession();
int res = s.
waitFor(ClientSession.
CLOSED,
10000);
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 session,
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("test",
"localhost", port
).
await().
getSession();
s.
addPasswordIdentity("test");
s.
auth().
verify();
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("test",
"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);
}
}