/*
* 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.openejb.server.ssh;
import org.apache.openejb.server.cli.CliRunnable;
import org.apache.sshd.server.Command;
import org.apache.sshd.server.Environment;
import org.apache.sshd.server.ExitCallback;
import org.apache.sshd.server.SessionAware;
import org.apache.sshd.server.session.ServerSession;
import javax.security.auth.Subject;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.PrivilegedAction;
public class OpenEJBCommands extends CliRunnable implements Command, Runnable, SessionAware {
private ExitCallback cbk;
private LoginContext loginContext;
public OpenEJBCommands(String bind, int port) {
super(bind, port, null, "\r\n");
}
@Override
public void setInputStream(InputStream in) {
super.setInputStream(in);
}
@Override
public void setOutputStream(OutputStream out) {
super.setOutputStream(out);
}
@Override
public void setErrorStream(OutputStream err) {
super.setErrorStream(err);
}
@Override
public void destroy() {
super.destroy();
}
@Override
public void setExitCallback(ExitCallback callback) {
cbk = callback;
}
@Override
public void start(Environment env) throws IOException {
start();
}
@Override
public void run() {
if (loginContext == null) {
throw new IllegalStateException("No user logged");
}
try {
Subject.doAs(loginContext.getSubject(), new PrivilegedAction<Object>() {
@Override
public Object run() {
OpenEJBCommands.super.run();
return null;
}
});
} finally {
try {
loginContext.logout();
} catch (LoginException e) {
// ignored
}
cbk.onExit(0);
}
}
@Override
public void setSession(final ServerSession session) {
final String username = session.getAttribute(OpenEJBJaasPasswordAuthenticator.USERNAME_KEY);
if (username == null) {
throw new IllegalStateException("No username in the session");
}
setUsername(username);
loginContext = session.getAttribute(OpenEJBJaasPasswordAuthenticator.LOGIN_CONTEXT_KEY);
}
}