| /* SslRMIClientSocketFactory.java -- |
| Copyright (C) 2006 Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package javax.rmi.ssl; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| |
| import java.util.StringTokenizer; |
| import javax.net.ssl.SSLSocketFactory; |
| import javax.net.ssl.SSLSocket; |
| import java.net.Socket; |
| import java.rmi.server.RMIClientSocketFactory; |
| |
| /** |
| * SslRMIClientSocketFactory |
| * |
| * This class implements an RMIClientSocketFactory for SSL sockets. |
| * it uses the defeult SSLClientSocketFactory. |
| * |
| * This class can optionally use the following system properties, if set: |
| * <code>javax.rmi.ssl.client.enabledCipherSuites</code> |
| * <code>javax.rmi.ssl.client.enabledProtocols</code> |
| * |
| * These properties will specify a list of SSL/TLS cipher suites and protocols, |
| * respectively, to enable on the created sockets. |
| * |
| * Both properties should consist of a comma-separated list. |
| * |
| * @author Sven de Marothy |
| * @since 1.5 |
| */ |
| public class SslRMIClientSocketFactory |
| implements RMIClientSocketFactory, Serializable |
| { |
| |
| /** |
| * Compatible with JDK 1.5 |
| */ |
| private static final long serialVersionUID = -8310631444933958385L; |
| |
| private String[] enabledCipherSuites, enabledProtocols; |
| |
| /** |
| * The SSL Socket factory. |
| */ |
| private static SSLSocketFactory socketFactory = |
| (SSLSocketFactory)SSLSocketFactory.getDefault(); |
| |
| /** |
| * Creates a new SslRMIClientSocketFactory |
| */ |
| public SslRMIClientSocketFactory() |
| { |
| enabledCipherSuites = getProp("javax.rmi.ssl.client.enabledCipherSuites"); |
| enabledProtocols = getProp("javax.rmi.ssl.client.enabledProtocols"); |
| } |
| |
| private String[] getProp(String p) |
| { |
| StringTokenizer st; |
| try |
| { |
| String o = (String)System.getProperty( p ); |
| st = new StringTokenizer( o, "," ); |
| } |
| catch(SecurityException se) |
| { |
| return null; |
| } |
| |
| int n = st.countTokens(); |
| if( n < 1 ) |
| return null; |
| String[] strs = new String[ n ]; |
| for( int i = 0; i < n; i++ ) |
| strs[i] = st.nextToken().trim(); |
| |
| return strs; |
| } |
| |
| /** |
| * Creates an SSLSocket on a given port |
| * |
| * @throws IOException if an error occurs on socket creation. |
| */ |
| public Socket createSocket(String host, int port) throws IOException |
| { |
| SSLSocket socket = (SSLSocket)socketFactory. |
| createSocket( host, port ); |
| if( enabledCipherSuites != null ) |
| socket.setEnabledCipherSuites( enabledCipherSuites ); |
| if( enabledProtocols != null ) |
| socket.setEnabledProtocols( enabledProtocols ); |
| return socket; |
| } |
| |
| /** |
| * Compare two SslRMIServerSocketFactor instances |
| */ |
| public boolean equals(Object obj) |
| { |
| if( !(obj instanceof SslRMIClientSocketFactory) ) |
| return false; |
| SslRMIClientSocketFactory s = (SslRMIClientSocketFactory)obj; |
| |
| if(!SslRMIServerSocketFactory. |
| cmpStrArray(enabledCipherSuites, s.enabledCipherSuites)) |
| return false; |
| |
| if(!SslRMIServerSocketFactory. |
| cmpStrArray(enabledProtocols, s.enabledProtocols)) |
| return false; |
| |
| return true; |
| } |
| |
| /** |
| * Returns the hash code of this object. |
| */ |
| public int hashCode() |
| { |
| int hash = 0; |
| if( enabledCipherSuites != null ) |
| for(int i = 0; i < enabledCipherSuites.length; i++ ) |
| hash = hash ^ enabledCipherSuites[i].hashCode(); |
| if( enabledProtocols != null ) |
| for(int i = 0; i < enabledProtocols.length; i++ ) |
| hash = hash ^ enabledProtocols[i].hashCode(); |
| return hash; |
| } |
| } |