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- /*
- * Copyright (C) 2009, Constantine Plotnikov <constantine.plotnikov@gmail.com>
- * Copyright (C) 2009, Google Inc.
- * Copyright (C) 2009, JetBrains s.r.o.
- * Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
- * Copyright (C) 2008-2009, Shawn O. Pearce <spearce@spearce.org>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- package org.eclipse.jgit.transport;
-
- import java.net.ConnectException;
- import java.net.UnknownHostException;
-
- import org.eclipse.jgit.JGitText;
- import org.eclipse.jgit.errors.TransportException;
- import org.eclipse.jgit.lib.Repository;
-
- import com.jcraft.jsch.JSchException;
- import com.jcraft.jsch.Session;
-
- /**
- * The base class for transports that use SSH protocol. This class allows
- * customizing SSH connection settings.
- */
- public abstract class SshTransport extends TcpTransport {
-
- private SshSessionFactory sch;
-
- /**
- * The open SSH session
- */
- protected Session sock;
-
- /**
- * Create a new transport instance.
- *
- * @param local
- * the repository this instance will fetch into, or push out of.
- * This must be the repository passed to
- * {@link #open(Repository, URIish)}.
- * @param uri
- * the URI used to access the remote repository. This must be the
- * URI passed to {@link #open(Repository, URIish)}.
- */
- protected SshTransport(Repository local, URIish uri) {
- super(local, uri);
- sch = SshSessionFactory.getInstance();
- }
-
- /**
- * Set SSH session factory instead of the default one for this instance of
- * the transport.
- *
- * @param factory
- * a factory to set, must not be null
- * @throws IllegalStateException
- * if session has been already created.
- */
- public void setSshSessionFactory(SshSessionFactory factory) {
- if (factory == null)
- throw new NullPointerException(JGitText.get().theFactoryMustNotBeNull);
- if (sock != null)
- throw new IllegalStateException(
- JGitText.get().anSSHSessionHasBeenAlreadyCreated);
- sch = factory;
- }
-
- /**
- * @return the SSH session factory that will be used for creating SSH sessions
- */
- public SshSessionFactory getSshSessionFactory() {
- return sch;
- }
-
-
- /**
- * Initialize SSH session
- *
- * @throws TransportException
- * in case of error with opening SSH session
- */
- protected void initSession() throws TransportException {
- if (sock != null)
- return;
-
- final int tms = getTimeout() > 0 ? getTimeout() * 1000 : 0;
- final String user = uri.getUser();
- final String pass = uri.getPass();
- final String host = uri.getHost();
- final int port = uri.getPort();
- try {
- sock = sch.getSession(user, pass, host, port,
- getCredentialsProvider(), local.getFS());
- if (!sock.isConnected())
- sock.connect(tms);
- } catch (JSchException je) {
- final Throwable c = je.getCause();
- if (c instanceof UnknownHostException)
- throw new TransportException(uri, JGitText.get().unknownHost);
- if (c instanceof ConnectException)
- throw new TransportException(uri, c.getMessage());
- throw new TransportException(uri, je.getMessage(), je);
- }
- }
-
- @Override
- public void close() {
- if (sock != null) {
- try {
- sch.releaseSession(sock);
- } finally {
- sock = null;
- }
- }
- }
- }
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