+++ /dev/null
-/*-
- * ============LICENSE_START=======================================================
- * ONAP : APPC
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Copyright (C) 2017 Amdocs
- * =============================================================================
- * Licensed 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.
- *
- * ECOMP is a trademark and service mark of AT&T Intellectual Property.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.appc.adapter.ssh.sshd;
-
-import org.apache.sshd.SshServer;
-import org.apache.sshd.common.NamedFactory;
-import org.apache.sshd.common.util.OsUtils;
-import org.apache.sshd.server.Command;
-import org.apache.sshd.server.CommandFactory;
-import org.apache.sshd.server.PasswordAuthenticator;
-import org.apache.sshd.server.PublickeyAuthenticator;
-import org.apache.sshd.server.command.ScpCommandFactory;
-import org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider;
-import org.apache.sshd.server.session.ServerSession;
-import org.apache.sshd.server.sftp.SftpSubsystem;
-import org.apache.sshd.server.shell.ProcessShellFactory;
-import org.hamcrest.CoreMatchers;
-import org.junit.*;
-import org.junit.rules.ExpectedException;
-import org.onap.appc.adapter.ssh.SshAdapter;
-import org.onap.appc.adapter.ssh.SshConnection;
-import org.onap.appc.adapter.ssh.SshException;
-import org.onap.appc.adapter.ssh.sshd.SshAdapterSshd;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.net.BindException;
-import java.security.PublicKey;
-import java.util.Collections;
-import java.util.EnumSet;
-
-public class SshAdapterTest {
-
- private static final boolean START_SERVER = true;
- private static final String SSH_HOST = "localhost";
- private static final int SSH_PORT = 2222;
- private static final String SSH_USERNAME = "test";
- private static final String SSH_PASSWORD = "test";
- private static final String F_TEST_CMD = "ping -%c 4 %s";
-
- private int sshPort = SSH_PORT;
- private SshServer sshd;
- private SshAdapter sshAdapter = new SshAdapterSshd();
-
- @Rule
- public ExpectedException thrown = ExpectedException.none();
-
- @Test
- public void testExecute() {
- String cmd = String.format(F_TEST_CMD, OsUtils.isUNIX() ? 'c' : 'n', "localhost");
- SshConnection sshConnection = connect(SSH_USERNAME, SSH_PASSWORD);
- try {
- System.out.println("SSH client connected. Server port [" + sshPort + "]. [" + getClass().getName() + "#" + System.identityHashCode(this) + "]");
- ByteArrayOutputStream stdout = new ByteArrayOutputStream();
- ByteArrayOutputStream stderr = new ByteArrayOutputStream();
- int status = execCmd(sshConnection, cmd, stdout, stderr, false);
- Assert.assertEquals(stdout.toString() + ". " + stderr.toString(), 0, status);
- } finally {
- disconnect(sshConnection);
- }
- }
-
- @Test
- public void testExecuteWithPty() {
- String cmd = String.format(F_TEST_CMD, OsUtils.isUNIX() ? 'c' : 'n', "localhost");
- SshConnection sshConnection = connect(SSH_USERNAME, SSH_PASSWORD);
- try {
- System.out.println("SSH client connected. Server port [" + sshPort + "]. [" + getClass().getName() + "#" + System.identityHashCode(this) + "]");
- ByteArrayOutputStream stdout = new ByteArrayOutputStream();
- int status = execCmd(sshConnection, cmd, stdout, null, true);
- Assert.assertEquals(stdout.toString() + ". " + stdout.toString(), 0, status);
- } finally {
- disconnect(sshConnection);
- }
- }
-
- @Test
- public void testExecuteInvalidCommand() {
- String cmd = String.format(F_TEST_CMD, OsUtils.isUNIX() ? 'c' : 'n', "nosuchhost");
- SshConnection sshConnection = connect(SSH_USERNAME, SSH_PASSWORD);
- try {
- ByteArrayOutputStream stdout = new ByteArrayOutputStream();
- ByteArrayOutputStream stderr = new ByteArrayOutputStream();
- int status = execCmd(sshConnection, cmd, stdout, stderr, false);
- Assert.assertNotEquals(stdout.toString() + ". " + stderr.toString(), 0, status);
- } finally {
- disconnect(sshConnection);
- }
- }
-
- @Test
- public void testWrongUsername() {
- thrown.expect(SshException.class);
- thrown.expectMessage(CoreMatchers.containsString("Authentication failed"));
- disconnect(connect("WrongUsername", SSH_PASSWORD));
- }
-
- @Test
- public void testWrongPassword() {
- thrown.expect(SshException.class);
- thrown.expectMessage(CoreMatchers.containsString("Authentication failed"));
- disconnect(connect(SSH_USERNAME, "WrongPassword"));
- }
-
- @Before
- public void beforeTest() throws IOException {
- if (START_SERVER) {
- startServer();
- }
- }
-
- @After
- public void afterTest() throws InterruptedException {
- stopServer();
- }
-
- private SshConnection connect(String username, String password) {
- SshConnection sshConnection = sshAdapter.getConnection(SSH_HOST, sshPort, username, password);
- sshConnection.connect();
- System.out.println("SSH client connected. Server port [" + sshPort + "]. [" + getClass().getName() + "#" + System.identityHashCode(this) + "]");
- return sshConnection;
- }
-
- private void disconnect(SshConnection sshConnection) {
- sshConnection.disconnect();
- System.out.println("SSH client disconnected. Server port [" + sshPort + "]. [" + getClass().getName() + "#" + System.identityHashCode(this) + "]");
- }
-
- private int execCmd(SshConnection sshConnection, String cmd, OutputStream stdout, OutputStream stderr, boolean usePty) {
- System.out.println("=> Running command [" + cmd + "] over SSH");
- int status;
- if (usePty) {
- status = sshConnection.execCommandWithPty(cmd, stdout);
- } else {
- status = sshConnection.execCommand(cmd, stdout, stderr);
- }
- System.out.println("=> Command [" + cmd + "] status is [" + status + "], stdout is [" + String.valueOf(stdout) + "], stderr is [" + String.valueOf(stderr) + "]");
- return status;
- }
-
- private void startServer() throws IOException {
- sshd = SshServer.setUpDefaultServer();
- sshd.setSubsystemFactories(Collections.<NamedFactory<Command>>singletonList(new SftpSubsystem.Factory()));
- sshd.setCommandFactory(new ScpCommandFactory(new CommandFactory() {
-
- public Command createCommand(String command) {
- EnumSet<ProcessShellFactory.TtyOptions> ttyOptions;
- if (OsUtils.isUNIX()) {
- ttyOptions = EnumSet.of(ProcessShellFactory.TtyOptions.ONlCr);
- } else {
- ttyOptions = EnumSet.of(ProcessShellFactory.TtyOptions.Echo, ProcessShellFactory.TtyOptions.ICrNl, ProcessShellFactory.TtyOptions.ONlCr);
- }
- return new ProcessShellFactory(command.split(" "), ttyOptions).create();
- }
- }));
- if (OsUtils.isUNIX()) {
- sshd.setShellFactory(new ProcessShellFactory(new String[]{"/bin/sh", "-i", "-l"},
- EnumSet.of(ProcessShellFactory.TtyOptions.ONlCr)));
- } else {
- sshd.setShellFactory(new ProcessShellFactory(new String[]{"cmd.exe "},
- EnumSet.of(ProcessShellFactory.TtyOptions.Echo, ProcessShellFactory.TtyOptions.ICrNl, ProcessShellFactory.TtyOptions.ONlCr)));
- }
-// if(SecurityUtils.isBouncyCastleRegistered()) {
-// sshd.setKeyPairProvider(new PEMGeneratorHostKeyProvider(System.getProperty("java.io.tmpdir") + "/key.pem"));
-// } else {
- sshd.setKeyPairProvider(new SimpleGeneratorHostKeyProvider(System.getProperty("java.io.tmpdir") + "/key.ser"));
-// }
- sshd.setPasswordAuthenticator(new PasswordAuthenticator() {
-
- @Override
- public boolean authenticate(String username, String password, ServerSession session) {
- return (SSH_USERNAME.equals(username) && SSH_PASSWORD.equals(password));
- }
- });
- sshd.setPublickeyAuthenticator(new PublickeyAuthenticator() {
-
- public boolean authenticate(String username, PublicKey key, ServerSession session) {
- return true;
- }
- });
- sshd.getProperties().put(SshServer.WELCOME_BANNER, "Welcome to SSHD\n");
- startServer0();
- try {
- Thread.sleep(1000);
- } catch (InterruptedException e) {
- // ignore
- }
- }
-
- private void startServer0() throws IOException {
- boolean serverStarted = false;
- IOException exception = null;
- while (!serverStarted && (sshPort < Integer.MAX_VALUE)) {
- try {
- System.out.println("Starting SSH server on port [" + sshPort + "]. [" + getClass().getName() + "#" + System.identityHashCode(this) + "]");
- sshd.setPort(sshPort);
- sshd.start();
- serverStarted = true;
- } catch (BindException e) {
- System.err.println("Cannot start SSH server on port [" + sshPort + "]. " + e.getMessage());
- if (exception == null) {
- // store first thrown exception - will be thrown if cannot start the server
- exception = e;
- }
- sshPort++;
- }
- }
- if (!serverStarted) {
- throw exception;
- }
- System.out.println("SSH server started on port [" + sshPort + "]. [" + getClass().getName() + "#" + System.identityHashCode(this) + "]");
- }
-
- private void stopServer() {
- try {
- if (sshd != null) {
- sshd.stop(true);
- System.out.println("SSH server stopped on port [" + sshPort + "]. [" + getClass().getName() + "#" + System.identityHashCode(this) + "]");
- }
- } catch (InterruptedException e) {
- System.err.println("=> Error stopping SSH server.");
- e.printStackTrace();
- } finally {
- sshd = null;
- }
- }
-}
Code Review / appc.git / blobdiff