/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2008 Sun Microsystems, Inc.
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* Portions copyright 2011-2013 ForgeRock AS
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*/
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package org.opends.server.replication.protocol;
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import java.io.IOException;
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import java.net.Socket;
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import java.util.SortedSet;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLException;
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import javax.net.ssl.SSLSocket;
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import javax.net.ssl.SSLSocketFactory;
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import org.opends.messages.Message;
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import org.opends.server.config.ConfigException;
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import org.opends.server.types.CryptoManager;
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import org.opends.server.types.DirectoryConfig;
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import static org.opends.messages.ReplicationMessages.*;
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import static org.opends.server.loggers.ErrorLogger.*;
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import static org.opends.server.util.StaticUtils.*;
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/**
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* This class represents the security configuration for replication protocol
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* sessions. It contains all the configuration required to use SSL, and it
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* determines whether encryption should be enabled for a session to a given
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* replication server.
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*/
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public final class ReplSessionSecurity
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{
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/**
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* Whether replication sessions use SSL encryption.
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*/
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private final boolean sslEncryption;
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/**
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* The name of the local certificate to use, or null if none is specified.
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*/
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private final String sslCertNickname;
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/**
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* The set of enabled SSL protocols, or null for the default set.
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*/
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private final String sslProtocols[];
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/**
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* The set of enabled SSL cipher suites, or null for the default set.
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*/
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private final String sslCipherSuites[];
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/**
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* Create a ReplSessionSecurity instance from a provided multimaster domain
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* configuration.
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*
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* @throws ConfigException
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* If the supplied configuration was not valid.
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*/
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public ReplSessionSecurity() throws ConfigException
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{
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// Currently use global settings from the crypto manager.
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this(DirectoryConfig.getCryptoManager().getSslCertNickname(),
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DirectoryConfig.getCryptoManager().getSslProtocols(),
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DirectoryConfig.getCryptoManager().getSslCipherSuites(),
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DirectoryConfig.getCryptoManager().isSslEncryption());
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}
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/**
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* Create a ReplSessionSecurity instance from the supplied configuration
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* values.
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*
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* @param sslCertNickname
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* The name of the local certificate to use, or null if none is
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* specified.
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* @param sslProtocols
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* The protocols that should be enabled, or null if the default
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* protocols should be used.
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* @param sslCipherSuites
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* The cipher suites that should be enabled, or null if the default
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* cipher suites should be used.
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* @param sslEncryption
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* Whether replication sessions use SSL encryption.
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* @throws ConfigException
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* If the supplied configuration was not valid.
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*/
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public ReplSessionSecurity(final String sslCertNickname,
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final SortedSet<String> sslProtocols,
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final SortedSet<String> sslCipherSuites,
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final boolean sslEncryption) throws ConfigException
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{
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if (sslProtocols == null || sslProtocols.size() == 0)
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{
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this.sslProtocols = null;
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}
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else
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{
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this.sslProtocols = new String[sslProtocols.size()];
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sslProtocols.toArray(this.sslProtocols);
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}
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if (sslCipherSuites == null || sslCipherSuites.size() == 0)
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{
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this.sslCipherSuites = null;
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}
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else
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{
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this.sslCipherSuites = new String[sslCipherSuites.size()];
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sslCipherSuites.toArray(this.sslCipherSuites);
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}
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this.sslEncryption = sslEncryption;
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this.sslCertNickname = sslCertNickname;
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}
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/**
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* Create a new protocol session in the client role on the provided socket.
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*
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* @param socket
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* The connected socket.
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* @param soTimeout
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* The socket timeout option to use for the protocol session.
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* @return The new protocol session.
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* @throws ConfigException
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* If the protocol session could not be established due to a
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* configuration problem.
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* @throws IOException
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* If the protocol session could not be established for some other
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* reason.
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*/
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public Session createClientSession(final Socket socket,
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final int soTimeout) throws ConfigException, IOException
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{
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boolean hasCompleted = false;
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SSLSocket secureSocket = null;
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try
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{
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// Create a new SSL context every time to make sure we pick up the
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// latest contents of the trust store.
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final CryptoManager cryptoManager = DirectoryConfig.getCryptoManager();
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final SSLContext sslContext = cryptoManager
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.getSslContext(sslCertNickname);
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final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
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secureSocket = (SSLSocket) sslSocketFactory.createSocket(
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socket, socket.getInetAddress().getHostName(),
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socket.getPort(), false);
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secureSocket.setUseClientMode(true);
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secureSocket.setSoTimeout(soTimeout);
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if (sslProtocols != null)
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{
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secureSocket.setEnabledProtocols(sslProtocols);
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}
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if (sslCipherSuites != null)
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{
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secureSocket.setEnabledCipherSuites(sslCipherSuites);
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}
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// Force TLS negotiation now.
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secureSocket.startHandshake();
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hasCompleted = true;
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return new Session(socket, secureSocket);
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}
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finally
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{
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if (!hasCompleted)
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{
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close(socket);
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close(secureSocket);
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}
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}
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}
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/**
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* Create a new protocol session in the server role on the provided socket.
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*
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* @param socket
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* The connected socket.
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* @param soTimeout
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* The socket timeout option to use for the protocol session.
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* @return The new protocol session.
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* @throws ConfigException
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* If the protocol session could not be established due to a
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* configuration problem.
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* @throws IOException
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* If the protocol session could not be established for some other
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* reason.
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*/
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public Session createServerSession(final Socket socket,
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final int soTimeout) throws ConfigException, IOException
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{
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boolean hasCompleted = false;
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SSLSocket secureSocket = null;
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try
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{
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// Create a new SSL context every time to make sure we pick up the
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// latest contents of the trust store.
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final CryptoManager cryptoManager = DirectoryConfig.getCryptoManager();
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final SSLContext sslContext = cryptoManager
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.getSslContext(sslCertNickname);
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final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
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secureSocket = (SSLSocket) sslSocketFactory.createSocket(
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socket, socket.getInetAddress().getHostName(),
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socket.getPort(), false);
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secureSocket.setUseClientMode(false);
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secureSocket.setNeedClientAuth(true);
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secureSocket.setSoTimeout(soTimeout);
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if (sslProtocols != null)
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{
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secureSocket.setEnabledProtocols(sslProtocols);
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}
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if (sslCipherSuites != null)
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{
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secureSocket.setEnabledCipherSuites(sslCipherSuites);
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}
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// Force TLS negotiation now.
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secureSocket.startHandshake();
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hasCompleted = true;
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return new Session(socket, secureSocket);
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}
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catch (final SSLException e)
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{
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// This is probably a connection attempt from an unexpected client
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// log that to warn the administrator.
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final Message message = INFO_SSL_SERVER_CON_ATTEMPT_ERROR.get(
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socket.getRemoteSocketAddress().toString(),
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socket.getLocalSocketAddress().toString(),
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e.getLocalizedMessage());
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logError(message);
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return null;
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}
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finally
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{
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if (!hasCompleted)
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{
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close(socket);
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close(secureSocket);
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}
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}
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}
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/**
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* Determine whether sessions to a given replication server should be
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* encrypted.
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*
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* @return true if sessions to the given replication server should be
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* encrypted, or false if they should not be encrypted.
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*/
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public boolean isSslEncryption()
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{
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// Currently use global settings from the crypto manager.
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return sslEncryption;
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}
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/** {@inheritDoc} */
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@Override
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public String toString()
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{
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return getClass().getSimpleName() + " " + (sslEncryption ? "with SSL" : "");
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}
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}
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