/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.server.mgmt.domain;
import static org.jboss.as.protocol.old.StreamUtils.safeClose;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.sasl.RealmCallback;
import javax.security.sasl.RealmChoiceCallback;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.URI;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.Provider;
import java.security.Security;
import org.jboss.as.protocol.ProtocolChannelClient;
import org.jboss.as.protocol.mgmt.ManagementChannel;
import org.jboss.as.protocol.mgmt.ManagementChannelFactory;
import org.jboss.as.remoting.RemotingServices;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.jboss.remoting3.Endpoint;
import org.jboss.sasl.JBossSaslProvider;
/**
* Service used to connect to the host controller. Will maintain the connection for the length of the service life.
*
* @author John Bailey
*/
public class HostControllerConnectionService implements Service<ManagementChannel> {
public static final ServiceName SERVICE_NAME = ServiceName.JBOSS.append("host", "controller", "channel");
private final InjectedValue<InetSocketAddress> hcAddressInjector = new InjectedValue<InetSocketAddress>();
private final InjectedValue<Endpoint> endpointInjector = new InjectedValue<Endpoint>();
private final Provider saslProvider = new JBossSaslProvider();
private volatile ManagementChannel channel;
private volatile ProtocolChannelClient<ManagementChannel> client;
private final String serverName;
private final byte[] authKey;
private HostControllerConnectionService(final String serverName, final byte[] authKey) {
this.serverName = serverName;
this.authKey = authKey;
}
public static void install(ServiceTarget serviceTarget, final InetSocketAddress managementSocket, final String serverName, final byte[] authKey) {
final HostControllerConnectionService hcConnection = new HostControllerConnectionService(serverName, authKey);
serviceTarget.addService(HostControllerConnectionService.SERVICE_NAME, hcConnection)
.addInjection(hcConnection.hcAddressInjector, managementSocket)
.addDependency(RemotingServices.ENDPOINT, Endpoint.class, hcConnection.endpointInjector)
.setInitialMode(ServiceController.Mode.ACTIVE)
.install();
}
/** {@inheritDoc} */
public synchronized void start(StartContext context) throws StartException {
AccessController.doPrivileged(new PrivilegedAction<Integer>() {
public Integer run() {
return Security.insertProviderAt(saslProvider, 1);
}
});
ProtocolChannelClient<ManagementChannel> client;
try {
ProtocolChannelClient.Configuration<ManagementChannel> configuration = new ProtocolChannelClient.Configuration<ManagementChannel>();
configuration.setEndpoint(endpointInjector.getValue());
configuration.setUri(new URI("remote://" + hcAddressInjector.getValue().getHostName() + ":" + hcAddressInjector.getValue().getPort()));
configuration.setChannelFactory(new ManagementChannelFactory());
client = ProtocolChannelClient.create(configuration);
} catch (Exception e) {
throw new StartException(e);
}
try {
client.connect(new ClientCallbackHandler());
channel = client.openChannel(RemotingServices.SERVER_CHANNEL);
channel.startReceiving();
} catch (IOException e) {
throw new StartException("Failed to start remote Host Controller connection", e);
}
}
/** {@inheritDoc} */
public synchronized void stop(StopContext context) {
safeClose(client);
client = null;
channel = null;
}
/** {@inheritDoc} */
public synchronized ManagementChannel getValue() throws IllegalStateException {
return channel;
}
private class ClientCallbackHandler implements CallbackHandler {
public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
for (Callback current : callbacks) {
if (current instanceof RealmCallback) {
RealmCallback rcb = (RealmCallback) current;
String defaultText = rcb.getDefaultText();
rcb.setText(defaultText); // For now just use the realm suggested.
} else if (current instanceof RealmChoiceCallback) {
throw new UnsupportedCallbackException(current, "Realm choice not currently supported.");
} else if (current instanceof NameCallback) {
NameCallback ncb = (NameCallback) current;
ncb.setName(serverName);
} else if (current instanceof PasswordCallback) {
PasswordCallback pcb = (PasswordCallback) current;
pcb.setPassword(new String(authKey).toCharArray());
} else {
throw new UnsupportedCallbackException(current);
}
}
}
}
}