| | |
| | | /*
|
| | | * Copyright 2014 gitblit.com.
|
| | | *
|
| | | * 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.
|
| | | */
|
| | | package com.gitblit.transport.ssh;
|
| | |
|
| | | import java.io.File;
|
| | | import java.io.IOException;
|
| | | import java.net.InetSocketAddress;
|
| | | import java.net.SocketAddress;
|
| | | import java.security.InvalidKeyException;
|
| | | import java.text.MessageFormat;
|
| | | import java.util.Arrays;
|
| | | import java.util.Iterator;
|
| | | import java.util.LinkedList;
|
| | | import java.util.List;
|
| | | import java.util.concurrent.atomic.AtomicBoolean;
|
| | |
|
| | | import javax.inject.Inject;
|
| | |
|
| | | import org.apache.mina.core.future.IoFuture;
|
| | | import org.apache.mina.core.future.IoFutureListener;
|
| | | import org.apache.mina.core.session.IoSession;
|
| | | import org.apache.mina.transport.socket.SocketSessionConfig;
|
| | | import org.apache.sshd.SshServer;
|
| | | import org.apache.sshd.common.Channel;
|
| | | import org.apache.sshd.common.Cipher;
|
| | | import org.apache.sshd.common.Compression;
|
| | | import org.apache.sshd.common.KeyExchange;
|
| | | import org.apache.sshd.common.KeyPairProvider;
|
| | | import org.apache.sshd.common.Mac;
|
| | | import org.apache.sshd.common.NamedFactory;
|
| | | import org.apache.sshd.common.Session;
|
| | | import org.apache.sshd.common.Signature;
|
| | | import org.apache.sshd.common.cipher.AES128CBC;
|
| | | import org.apache.sshd.common.cipher.AES192CBC;
|
| | | import org.apache.sshd.common.cipher.AES256CBC;
|
| | | import org.apache.sshd.common.cipher.BlowfishCBC;
|
| | | import org.apache.sshd.common.cipher.TripleDESCBC;
|
| | | import org.apache.sshd.common.compression.CompressionNone;
|
| | | import org.apache.sshd.common.mac.HMACMD5;
|
| | | import org.apache.sshd.common.mac.HMACMD596;
|
| | | import org.apache.sshd.common.mac.HMACSHA1;
|
| | | import org.apache.sshd.common.mac.HMACSHA196;
|
| | | import org.apache.sshd.common.random.BouncyCastleRandom;
|
| | | import org.apache.sshd.common.random.SingletonRandomFactory;
|
| | | import org.apache.sshd.common.signature.SignatureDSA;
|
| | | import org.apache.sshd.common.signature.SignatureRSA;
|
| | | import org.apache.sshd.common.util.SecurityUtils;
|
| | | import org.apache.sshd.server.CommandFactory;
|
| | | import org.apache.sshd.server.FileSystemFactory;
|
| | | import org.apache.sshd.server.FileSystemView;
|
| | | import org.apache.sshd.server.ForwardingFilter;
|
| | | import org.apache.sshd.server.PublickeyAuthenticator;
|
| | | import org.apache.sshd.server.SshFile;
|
| | | import org.apache.sshd.server.UserAuth;
|
| | | import org.apache.sshd.server.auth.UserAuthPublicKey;
|
| | | import org.apache.sshd.server.channel.ChannelDirectTcpip;
|
| | | import org.apache.sshd.server.channel.ChannelSession;
|
| | | import org.apache.sshd.server.kex.DHG1;
|
| | | import org.apache.sshd.server.kex.DHG14;
|
| | | import org.apache.sshd.server.keyprovider.PEMGeneratorHostKeyProvider;
|
| | | import org.apache.sshd.server.session.ServerSession;
|
| | | import org.apache.sshd.server.session.SessionFactory;
|
| | | import org.eclipse.jgit.internal.JGitText;
|
| | | import org.slf4j.Logger;
|
| | | import org.slf4j.LoggerFactory;
|
| | |
|
| | | import com.gitblit.IStoredSettings;
|
| | | import com.gitblit.Keys;
|
| | | import com.gitblit.manager.IGitblit;
|
| | | import com.gitblit.utils.IdGenerator;
|
| | | import com.gitblit.utils.StringUtils;
|
| | |
|
| | | /**
|
| | | * Manager for the ssh transport. Roughly analogous to the
|
| | | * {@link com.gitblit.git.GitDaemon} class.
|
| | | *
|
| | | * @author Eric Myhre
|
| | | *
|
| | | */
|
| | | public class SshDaemon extends SshServer {
|
| | |
|
| | | private final Logger log = LoggerFactory.getLogger(SshDaemon.class);
|
| | |
|
| | | /**
|
| | | * 22: IANA assigned port number for ssh. Note that this is a distinct concept
|
| | | * from gitblit's default conf for ssh port -- this "default" is what the git
|
| | | * protocol itself defaults to if it sees and ssh url without a port.
|
| | | */
|
| | | public static final int DEFAULT_PORT = 22;
|
| | |
|
| | | private static final String HOST_KEY_STORE = "sshKeyStore.pem";
|
| | |
|
| | | private InetSocketAddress myAddress;
|
| | |
|
| | | private AtomicBoolean run;
|
| | |
|
| | | @SuppressWarnings("unused")
|
| | | private IGitblit gitblit;
|
| | |
|
| | | /**
|
| | | * Construct the Gitblit SSH daemon.
|
| | | *
|
| | | * @param gitblit
|
| | | */
|
| | | @Inject
|
| | | SshDaemon(IGitblit gitblit, IdGenerator idGenerator, SshCommandFactory factory) {
|
| | | this.gitblit = gitblit;
|
| | | IStoredSettings settings = gitblit.getSettings();
|
| | | int port = settings.getInteger(Keys.git.sshPort, 0);
|
| | | String bindInterface = settings.getString(Keys.git.sshBindInterface, "localhost");
|
| | |
|
| | | if (StringUtils.isEmpty(bindInterface)) {
|
| | | myAddress = new InetSocketAddress(port);
|
| | | } else {
|
| | | myAddress = new InetSocketAddress(bindInterface, port);
|
| | | }
|
| | |
|
| | | setPort(myAddress.getPort());
|
| | | setHost(myAddress.getHostName());
|
| | | setup();
|
| | | setKeyPairProvider(new PEMGeneratorHostKeyProvider(
|
| | | new File(gitblit.getBaseFolder(), HOST_KEY_STORE).getPath()));
|
| | | setPublickeyAuthenticator(new SshKeyAuthenticator(gitblit));
|
| | |
|
| | | run = new AtomicBoolean(false);
|
| | | setCommandFactory(factory);
|
| | | setSessionFactory(newSessionFactory(idGenerator));
|
| | | }
|
| | |
|
| | | SessionFactory newSessionFactory(final IdGenerator idGenerator) {
|
| | | return new SessionFactory() {
|
| | | @Override
|
| | | protected ServerSession createSession(final IoSession io) throws Exception {
|
| | | log.info("connection accepted on " + io);
|
| | | if (io.getConfig() instanceof SocketSessionConfig) {
|
| | | final SocketSessionConfig c = (SocketSessionConfig) io.getConfig();
|
| | | c.setKeepAlive(true);
|
| | | }
|
| | | ServerSession s = (ServerSession) super.createSession(io);
|
| | | SocketAddress peer = io.getRemoteAddress();
|
| | | SshSession session = new SshSession(idGenerator.next(), peer);
|
| | | s.setAttribute(SshSession.KEY, session);
|
| | | io.getCloseFuture().addListener(new IoFutureListener<IoFuture>() {
|
| | | @Override
|
| | | public void operationComplete(IoFuture future) {
|
| | | log.info("connection closed on " + io);
|
| | | }
|
| | | });
|
| | | return s;
|
| | | }
|
| | | };
|
| | | }
|
| | |
|
| | | public int getPort() {
|
| | | return myAddress.getPort();
|
| | | }
|
| | |
|
| | | public String formatUrl(String gituser, String servername, String repository) {
|
| | | if (getPort() == DEFAULT_PORT) {
|
| | | // standard port
|
| | | return MessageFormat.format("{0}@{1}/{2}", gituser, servername, repository);
|
| | | } else {
|
| | | // non-standard port
|
| | | return MessageFormat.format("ssh://{0}@{1}:{2,number,0}/{3}", gituser, servername, getPort(), repository);
|
| | | }
|
| | | }
|
| | |
|
| | | /**
|
| | | * Start this daemon on a background thread.
|
| | | *
|
| | | * @throws IOException
|
| | | * the server socket could not be opened.
|
| | | * @throws IllegalStateException
|
| | | * the daemon is already running.
|
| | | */
|
| | | public synchronized void start() throws IOException {
|
| | | if (run.get()) {
|
| | | throw new IllegalStateException(JGitText.get().daemonAlreadyRunning);
|
| | | }
|
| | |
|
| | | super.start();
|
| | | run.set(true);
|
| | |
|
| | | log.info(MessageFormat.format("SSH Daemon is listening on {0}:{1,number,0}",
|
| | | myAddress.getAddress().getHostAddress(), myAddress.getPort()));
|
| | | }
|
| | |
|
| | | /** @return true if this daemon is receiving connections. */
|
| | | public boolean isRunning() {
|
| | | return run.get();
|
| | | }
|
| | |
|
| | | /** Stop this daemon. */
|
| | | public synchronized void stop() {
|
| | | if (run.get()) {
|
| | | log.info("SSH Daemon stopping...");
|
| | | run.set(false);
|
| | |
|
| | | try {
|
| | | super.stop();
|
| | | } catch (InterruptedException e) {
|
| | | log.error("SSH Daemon stop interrupted", e);
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | /**
|
| | | * Performs most of default configuration (setup random sources, setup ciphers,
|
| | | * etc; also, support for forwarding and filesystem is explicitly disallowed).
|
| | | *
|
| | | * {@link #setKeyPairProvider(KeyPairProvider)} and
|
| | | * {@link #setPublickeyAuthenticator(PublickeyAuthenticator)} are left for you.
|
| | | * And applying {@link #setCommandFactory(CommandFactory)} is probably wise if you
|
| | | * want something to actually happen when users do successfully authenticate.
|
| | | */
|
| | | @SuppressWarnings("unchecked")
|
| | | public void setup() {
|
| | | if (!SecurityUtils.isBouncyCastleRegistered())
|
| | | throw new RuntimeException("BC crypto not available");
|
| | |
|
| | | setKeyExchangeFactories(Arrays.<NamedFactory<KeyExchange>>asList(
|
| | | new DHG14.Factory(),
|
| | | new DHG1.Factory())
|
| | | );
|
| | |
|
| | | setRandomFactory(new SingletonRandomFactory(new BouncyCastleRandom.Factory()));
|
| | |
|
| | | setupCiphers();
|
| | |
|
| | | setCompressionFactories(Arrays.<NamedFactory<Compression>>asList(
|
| | | new CompressionNone.Factory())
|
| | | );
|
| | |
|
| | | setMacFactories(Arrays.<NamedFactory<Mac>>asList(
|
| | | new HMACMD5.Factory(),
|
| | | new HMACSHA1.Factory(),
|
| | | new HMACMD596.Factory(),
|
| | | new HMACSHA196.Factory())
|
| | | );
|
| | |
|
| | | setChannelFactories(Arrays.<NamedFactory<Channel>>asList(
|
| | | new ChannelSession.Factory(),
|
| | | new ChannelDirectTcpip.Factory())
|
| | | );
|
| | |
|
| | | setSignatureFactories(Arrays.<NamedFactory<Signature>>asList(
|
| | | new SignatureDSA.Factory(),
|
| | | new SignatureRSA.Factory())
|
| | | );
|
| | |
|
| | | setFileSystemFactory(new FileSystemFactory() {
|
| | | @Override
|
| | | public FileSystemView createFileSystemView(Session session) throws IOException {
|
| | | return new FileSystemView() {
|
| | | @Override
|
| | | public SshFile getFile(SshFile baseDir, String file) {
|
| | | return null;
|
| | | }
|
| | |
|
| | | @Override
|
| | | public SshFile getFile(String file) {
|
| | | return null;
|
| | | }
|
| | | };
|
| | | }
|
| | | });
|
| | |
|
| | | setForwardingFilter(new ForwardingFilter() {
|
| | | @Override
|
| | | public boolean canForwardAgent(ServerSession session) {
|
| | | return false;
|
| | | }
|
| | |
|
| | | @Override
|
| | | public boolean canForwardX11(ServerSession session) {
|
| | | return false;
|
| | | }
|
| | |
|
| | | @Override
|
| | | public boolean canConnect(InetSocketAddress address, ServerSession session) {
|
| | | return false;
|
| | | }
|
| | |
|
| | | @Override
|
| | | public boolean canListen(InetSocketAddress address, ServerSession session) {
|
| | | return false;
|
| | | }
|
| | | });
|
| | |
|
| | | setUserAuthFactories(Arrays.<NamedFactory<UserAuth>>asList(
|
| | | new UserAuthPublicKey.Factory())
|
| | | );
|
| | | }
|
| | |
|
| | | protected void setupCiphers() {
|
| | | List<NamedFactory<Cipher>> avail = new LinkedList<NamedFactory<Cipher>>();
|
| | | avail.add(new AES128CBC.Factory());
|
| | | avail.add(new TripleDESCBC.Factory());
|
| | | avail.add(new BlowfishCBC.Factory());
|
| | | avail.add(new AES192CBC.Factory());
|
| | | avail.add(new AES256CBC.Factory());
|
| | |
|
| | | for (Iterator<NamedFactory<Cipher>> i = avail.iterator(); i.hasNext();) {
|
| | | final NamedFactory<Cipher> f = i.next();
|
| | | try {
|
| | | final Cipher c = f.create();
|
| | | final byte[] key = new byte[c.getBlockSize()];
|
| | | final byte[] iv = new byte[c.getIVSize()];
|
| | | c.init(Cipher.Mode.Encrypt, key, iv);
|
| | | } catch (InvalidKeyException e) {
|
| | | i.remove();
|
| | | } catch (Exception e) {
|
| | | i.remove();
|
| | | }
|
| | | }
|
| | | setCipherFactories(avail);
|
| | | }
|
| | | }
|
| | | /* |
| | | * Copyright 2014 gitblit.com. |
| | | * |
| | | * 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. |
| | | */ |
| | | package com.gitblit.transport.ssh; |
| | | |
| | | import java.io.File; |
| | | import java.io.FileOutputStream; |
| | | import java.io.IOException; |
| | | import java.io.OutputStreamWriter; |
| | | import java.net.InetSocketAddress; |
| | | import java.security.KeyPair; |
| | | import java.security.KeyPairGenerator; |
| | | import java.text.MessageFormat; |
| | | import java.util.concurrent.atomic.AtomicBoolean; |
| | | |
| | | import org.apache.sshd.common.io.IoServiceFactoryFactory; |
| | | import org.apache.sshd.common.io.mina.MinaServiceFactoryFactory; |
| | | import org.apache.sshd.common.io.nio2.Nio2ServiceFactoryFactory; |
| | | import org.apache.sshd.common.util.SecurityUtils; |
| | | import org.apache.sshd.server.SshServer; |
| | | import org.apache.sshd.server.auth.CachingPublicKeyAuthenticator; |
| | | import org.bouncycastle.openssl.PEMWriter; |
| | | import org.eclipse.jgit.internal.JGitText; |
| | | import org.slf4j.Logger; |
| | | import org.slf4j.LoggerFactory; |
| | | |
| | | import com.gitblit.Constants; |
| | | import com.gitblit.IStoredSettings; |
| | | import com.gitblit.Keys; |
| | | import com.gitblit.manager.IGitblit; |
| | | import com.gitblit.transport.ssh.commands.SshCommandFactory; |
| | | import com.gitblit.utils.JnaUtils; |
| | | import com.gitblit.utils.StringUtils; |
| | | import com.gitblit.utils.WorkQueue; |
| | | import com.google.common.io.Files; |
| | | |
| | | /** |
| | | * Manager for the ssh transport. Roughly analogous to the |
| | | * {@link com.gitblit.transport.git.GitDaemon} class. |
| | | * |
| | | */ |
| | | public class SshDaemon { |
| | | |
| | | private final Logger log = LoggerFactory.getLogger(SshDaemon.class); |
| | | |
| | | public static enum SshSessionBackend { |
| | | MINA, NIO2 |
| | | } |
| | | |
| | | /** |
| | | * 22: IANA assigned port number for ssh. Note that this is a distinct |
| | | * concept from gitblit's default conf for ssh port -- this "default" is |
| | | * what the git protocol itself defaults to if it sees and ssh url without a |
| | | * port. |
| | | */ |
| | | public static final int DEFAULT_PORT = 22; |
| | | |
| | | private final AtomicBoolean run; |
| | | |
| | | private final IGitblit gitblit; |
| | | private final SshServer sshd; |
| | | |
| | | /** |
| | | * Construct the Gitblit SSH daemon. |
| | | * |
| | | * @param gitblit |
| | | * @param workQueue |
| | | */ |
| | | public SshDaemon(IGitblit gitblit, WorkQueue workQueue) { |
| | | this.gitblit = gitblit; |
| | | |
| | | IStoredSettings settings = gitblit.getSettings(); |
| | | |
| | | // Ensure that Bouncy Castle is our JCE provider |
| | | SecurityUtils.setRegisterBouncyCastle(true); |
| | | if (SecurityUtils.isBouncyCastleRegistered()) { |
| | | log.debug("BouncyCastle is registered as a JCE provider"); |
| | | } |
| | | |
| | | // Generate host RSA and DSA keypairs and create the host keypair provider |
| | | File rsaKeyStore = new File(gitblit.getBaseFolder(), "ssh-rsa-hostkey.pem"); |
| | | File dsaKeyStore = new File(gitblit.getBaseFolder(), "ssh-dsa-hostkey.pem"); |
| | | generateKeyPair(rsaKeyStore, "RSA", 2048); |
| | | generateKeyPair(dsaKeyStore, "DSA", 0); |
| | | FileKeyPairProvider hostKeyPairProvider = new FileKeyPairProvider(); |
| | | hostKeyPairProvider.setFiles(new String [] { rsaKeyStore.getPath(), dsaKeyStore.getPath(), dsaKeyStore.getPath() }); |
| | | |
| | | // Client public key authenticator |
| | | SshKeyAuthenticator keyAuthenticator = |
| | | new SshKeyAuthenticator(gitblit.getPublicKeyManager(), gitblit); |
| | | |
| | | // Configure the preferred SSHD backend |
| | | String sshBackendStr = settings.getString(Keys.git.sshBackend, |
| | | SshSessionBackend.NIO2.name()); |
| | | SshSessionBackend backend = SshSessionBackend.valueOf(sshBackendStr); |
| | | System.setProperty(IoServiceFactoryFactory.class.getName(), |
| | | backend == SshSessionBackend.MINA |
| | | ? MinaServiceFactoryFactory.class.getName() |
| | | : Nio2ServiceFactoryFactory.class.getName()); |
| | | |
| | | // Create the socket address for binding the SSH server |
| | | int port = settings.getInteger(Keys.git.sshPort, 0); |
| | | String bindInterface = settings.getString(Keys.git.sshBindInterface, ""); |
| | | InetSocketAddress addr; |
| | | if (StringUtils.isEmpty(bindInterface)) { |
| | | addr = new InetSocketAddress(port); |
| | | } else { |
| | | addr = new InetSocketAddress(bindInterface, port); |
| | | } |
| | | |
| | | // Create the SSH server |
| | | sshd = SshServer.setUpDefaultServer(); |
| | | sshd.setPort(addr.getPort()); |
| | | sshd.setHost(addr.getHostName()); |
| | | sshd.setKeyPairProvider(hostKeyPairProvider); |
| | | sshd.setPublickeyAuthenticator(new CachingPublicKeyAuthenticator(keyAuthenticator)); |
| | | sshd.setPasswordAuthenticator(new UsernamePasswordAuthenticator(gitblit)); |
| | | if (settings.getBoolean(Keys.git.sshWithKrb5, false)) { |
| | | sshd.setGSSAuthenticator(new SshKrbAuthenticator(settings, gitblit)); |
| | | } |
| | | sshd.setSessionFactory(new SshServerSessionFactory()); |
| | | sshd.setFileSystemFactory(new DisabledFilesystemFactory()); |
| | | sshd.setTcpipForwardingFilter(new NonForwardingFilter()); |
| | | sshd.setCommandFactory(new SshCommandFactory(gitblit, workQueue)); |
| | | sshd.setShellFactory(new WelcomeShell(settings)); |
| | | |
| | | // Set the server id. This can be queried with: |
| | | // ssh-keyscan -t rsa,dsa -p 29418 localhost |
| | | String version = String.format("%s (%s-%s)", Constants.getGitBlitVersion().replace(' ', '_'), |
| | | sshd.getVersion(), sshBackendStr); |
| | | sshd.getProperties().put(SshServer.SERVER_IDENTIFICATION, version); |
| | | |
| | | run = new AtomicBoolean(false); |
| | | } |
| | | |
| | | public String formatUrl(String gituser, String servername, String repository) { |
| | | IStoredSettings settings = gitblit.getSettings(); |
| | | |
| | | int port = sshd.getPort(); |
| | | int displayPort = settings.getInteger(Keys.git.sshAdvertisedPort, port); |
| | | String displayServername = settings.getString(Keys.git.sshAdvertisedHost, ""); |
| | | if(displayServername.isEmpty()) { |
| | | displayServername = servername; |
| | | } |
| | | if (displayPort == DEFAULT_PORT) { |
| | | // standard port |
| | | return MessageFormat.format("ssh://{0}@{1}/{2}", gituser, displayServername, |
| | | repository); |
| | | } else { |
| | | // non-standard port |
| | | return MessageFormat.format("ssh://{0}@{1}:{2,number,0}/{3}", |
| | | gituser, displayServername, displayPort, repository); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Start this daemon on a background thread. |
| | | * |
| | | * @throws IOException |
| | | * the server socket could not be opened. |
| | | * @throws IllegalStateException |
| | | * the daemon is already running. |
| | | */ |
| | | public synchronized void start() throws IOException { |
| | | if (run.get()) { |
| | | throw new IllegalStateException(JGitText.get().daemonAlreadyRunning); |
| | | } |
| | | |
| | | sshd.start(); |
| | | run.set(true); |
| | | |
| | | String sshBackendStr = gitblit.getSettings().getString(Keys.git.sshBackend, |
| | | SshSessionBackend.NIO2.name()); |
| | | |
| | | log.info(MessageFormat.format( |
| | | "SSH Daemon ({0}) is listening on {1}:{2,number,0}", |
| | | sshBackendStr, sshd.getHost(), sshd.getPort())); |
| | | } |
| | | |
| | | /** @return true if this daemon is receiving connections. */ |
| | | public boolean isRunning() { |
| | | return run.get(); |
| | | } |
| | | |
| | | /** Stop this daemon. */ |
| | | public synchronized void stop() { |
| | | if (run.get()) { |
| | | log.info("SSH Daemon stopping..."); |
| | | run.set(false); |
| | | |
| | | try { |
| | | ((SshCommandFactory) sshd.getCommandFactory()).stop(); |
| | | sshd.stop(); |
| | | } catch (IOException e) { |
| | | log.error("SSH Daemon stop interrupted", e); |
| | | } |
| | | } |
| | | } |
| | | |
| | | private void generateKeyPair(File file, String algorithm, int keySize) { |
| | | if (file.exists()) { |
| | | return; |
| | | } |
| | | try { |
| | | KeyPairGenerator generator = SecurityUtils.getKeyPairGenerator(algorithm); |
| | | if (keySize != 0) { |
| | | generator.initialize(keySize); |
| | | log.info("Generating {}-{} SSH host keypair...", algorithm, keySize); |
| | | } else { |
| | | log.info("Generating {} SSH host keypair...", algorithm); |
| | | } |
| | | KeyPair kp = generator.generateKeyPair(); |
| | | |
| | | // create an empty file and set the permissions |
| | | Files.touch(file); |
| | | try { |
| | | JnaUtils.setFilemode(file, JnaUtils.S_IRUSR | JnaUtils.S_IWUSR); |
| | | } catch (UnsatisfiedLinkError | UnsupportedOperationException e) { |
| | | // Unexpected/Unsupported OS or Architecture |
| | | } |
| | | |
| | | FileOutputStream os = new FileOutputStream(file); |
| | | PEMWriter w = new PEMWriter(new OutputStreamWriter(os)); |
| | | w.writeObject(kp); |
| | | w.flush(); |
| | | w.close(); |
| | | } catch (Exception e) { |
| | | log.warn(MessageFormat.format("Unable to generate {0} keypair", algorithm), e); |
| | | return; |
| | | } |
| | | } |
| | | } |