360 lines
11 KiB
Java
360 lines
11 KiB
Java
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/* X509KeyManagerFactory.java -- X.509 key manager factory.
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is a part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at
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your option) any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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USA
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.javax.net.ssl.provider;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.net.Socket;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.Enumeration;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.KeyStore;
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import java.security.KeyStoreException;
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import java.security.NoSuchAlgorithmException;
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import java.security.Principal;
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import java.security.PrivateKey;
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import java.security.PublicKey;
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import java.security.Security;
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import java.security.UnrecoverableKeyException;
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import java.security.cert.Certificate;
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import java.security.cert.CertificateException;
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import java.security.cert.X509Certificate;
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import java.security.interfaces.DSAPrivateKey;
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import java.security.interfaces.DSAPublicKey;
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import java.security.interfaces.RSAPrivateKey;
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import java.security.interfaces.RSAPublicKey;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.List;
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import javax.crypto.interfaces.DHPrivateKey;
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import javax.crypto.interfaces.DHPublicKey;
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import javax.net.ssl.KeyManager;
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import javax.net.ssl.KeyManagerFactorySpi;
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import javax.net.ssl.ManagerFactoryParameters;
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import javax.net.ssl.X509KeyManager;
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import gnu.javax.net.ssl.NullManagerParameters;
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import gnu.javax.net.ssl.PrivateCredentials;
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/**
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* This class implements a {@link javax.net.ssl.KeyManagerFactory} engine
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* for the ``JessieX509'' algorithm.
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*/
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public class X509KeyManagerFactory extends KeyManagerFactorySpi
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{
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// Fields.
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// -------------------------------------------------------------------------
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private Manager current;
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// Constructor.
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// -------------------------------------------------------------------------
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public X509KeyManagerFactory()
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{
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super();
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}
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// Instance methods.
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// -------------------------------------------------------------------------
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protected KeyManager[] engineGetKeyManagers()
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{
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if (current == null)
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{
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throw new IllegalStateException();
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}
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return new KeyManager[] { current };
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}
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protected void engineInit(ManagerFactoryParameters params)
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throws InvalidAlgorithmParameterException
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{
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if (params instanceof NullManagerParameters)
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{
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current = new Manager(Collections.EMPTY_MAP, Collections.EMPTY_MAP);
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}
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else if (params instanceof PrivateCredentials)
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{
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List chains = ((PrivateCredentials) params).getCertChains();
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List keys = ((PrivateCredentials) params).getPrivateKeys();
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int i = 0;
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HashMap certMap = new HashMap();
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HashMap keyMap = new HashMap();
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Iterator c = chains.iterator();
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Iterator k = keys.iterator();
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while (c.hasNext() && k.hasNext())
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{
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certMap.put(String.valueOf(i), c.next());
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keyMap.put(String.valueOf(i), k.next());
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i++;
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}
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current = new Manager(keyMap, certMap);
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}
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else
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{
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throw new InvalidAlgorithmParameterException();
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}
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}
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protected void engineInit(KeyStore store, char[] passwd)
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throws KeyStoreException, NoSuchAlgorithmException,
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UnrecoverableKeyException
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{
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if (store == null)
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{
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String s = Util.getProperty("javax.net.ssl.keyStoreType");
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if (s == null)
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s = KeyStore.getDefaultType();
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store = KeyStore.getInstance(s);
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s = Util.getProperty("javax.net.ssl.keyStore");
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if (s == null)
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return;
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String p = Util.getProperty("javax.net.ssl.keyStorePassword");
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try
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{
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store.load(new FileInputStream(s), p != null ? p.toCharArray() : null);
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}
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catch (IOException ioe)
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{
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throw new KeyStoreException(ioe.toString());
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}
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catch (CertificateException ce)
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{
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throw new KeyStoreException(ce.toString());
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}
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}
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HashMap p = new HashMap();
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HashMap c = new HashMap();
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Enumeration aliases = store.aliases();
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UnrecoverableKeyException exception = null;
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while (aliases.hasMoreElements())
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{
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String alias = (String) aliases.nextElement();
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if (!store.isKeyEntry(alias))
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{
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continue;
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}
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X509Certificate[] chain = null;
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Certificate[] chain2 = store.getCertificateChain (alias);
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if (chain2 != null && chain2.length > 0 &&
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(chain2[0] instanceof X509Certificate))
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{
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chain = toX509Chain(chain2);
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}
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else
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{
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continue;
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}
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PrivateKey key = null;
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try
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{
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key = (PrivateKey) store.getKey(alias, passwd);
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}
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catch (UnrecoverableKeyException uke)
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{
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exception = uke;
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continue;
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}
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if (key == null)
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{
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continue;
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}
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p.put(alias, key);
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c.put(alias, chain);
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}
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if (p.isEmpty () && c.isEmpty ())
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{
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if (exception != null)
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{
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throw exception;
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}
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throw new KeyStoreException ("no private credentials found");
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}
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current = this.new Manager(p, c);
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}
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private static X509Certificate[] toX509Chain(Certificate[] chain)
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{
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if (chain instanceof X509Certificate[])
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{
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return (X509Certificate[]) chain;
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}
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X509Certificate[] _chain = new X509Certificate[chain.length];
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for (int i = 0; i < chain.length; i++)
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_chain[i] = (X509Certificate) chain[i];
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return _chain;
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}
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// Inner class.
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// -------------------------------------------------------------------------
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private class Manager implements X509KeyManager
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{
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// Fields.
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// -----------------------------------------------------------------------
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private final Map privateKeys;
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private final Map certChains;
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// Constructor.
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// -----------------------------------------------------------------------
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Manager(Map privateKeys, Map certChains)
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{
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this.privateKeys = privateKeys;
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this.certChains = certChains;
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}
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// Instance methods.
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// -----------------------------------------------------------------------
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public String chooseClientAlias(String[] keyTypes, Principal[] issuers,
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Socket socket)
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{
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for (int i = 0; i < keyTypes.length; i++)
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{
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String[] s = getClientAliases(keyTypes[i], issuers);
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if (s.length > 0)
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return s[0];
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}
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return null;
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}
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public String[] getClientAliases(String keyType, Principal[] issuers)
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{
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return getAliases(keyType, issuers);
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}
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public String chooseServerAlias(String keyType, Principal[] issuers,
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Socket socket)
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{
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String[] s = getServerAliases(keyType, issuers);
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if (s.length > 0)
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return s[0];
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return null;
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}
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public String[] getServerAliases(String keyType, Principal[] issuers)
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{
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return getAliases(keyType, issuers);
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}
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private String[] getAliases(String keyType, Principal[] issuers)
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{
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LinkedList l = new LinkedList();
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for (Iterator i = privateKeys.keySet().iterator(); i.hasNext(); )
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{
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String alias = (String) i.next();
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X509Certificate[] chain = getCertificateChain(alias);
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if (chain.length == 0)
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continue;
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PrivateKey privKey = getPrivateKey(alias);
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if (privKey == null)
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continue;
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PublicKey pubKey = chain[0].getPublicKey();
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if (keyType.equals("RSA") || keyType.equals("DHE_RSA") ||
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keyType.equals("SRP_RSA") || keyType.equals("rsa_sign"))
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{
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if (!(privKey instanceof RSAPrivateKey) ||
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!(pubKey instanceof RSAPublicKey))
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continue;
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}
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if (keyType.equals("DHE_DSS") || keyType.equals("dss_sign") ||
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keyType.equals("SRP_DSS"))
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{
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if (!(privKey instanceof DSAPrivateKey) ||
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!(pubKey instanceof DSAPublicKey))
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continue;
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}
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if (keyType.equals("DH_RSA") || keyType.equals("rsa_fixed_dh"))
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{
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if (!(privKey instanceof DHPrivateKey) ||
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!(pubKey instanceof DHPublicKey))
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continue;
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if (!chain[0].getSigAlgName().equalsIgnoreCase("RSA"))
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continue;
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}
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if (keyType.equals("DH_DSS") || keyType.equals("dss_fixed_dh"))
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{
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if (!(privKey instanceof DHPrivateKey) ||
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!(pubKey instanceof DHPublicKey))
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continue;
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if (!chain[0].getSigAlgName().equalsIgnoreCase("DSA"))
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continue;
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}
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if (issuers == null || issuers.length == 0)
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{
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l.add(alias);
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continue;
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}
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for (int j = 0; j < issuers.length; j++)
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if (chain[0].getIssuerDN().equals(issuers[j]))
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{
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l.add(alias);
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break;
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}
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}
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return (String[]) l.toArray(new String[l.size()]);
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}
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public X509Certificate[] getCertificateChain(String alias)
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{
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X509Certificate[] c = (X509Certificate[]) certChains.get(alias);
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return c != null ? (X509Certificate[]) c.clone() : null;
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}
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public PrivateKey getPrivateKey(String alias)
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{
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return (PrivateKey) privateKeys.get(alias);
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}
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}
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}
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