/* * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.security.ssl; import java.io.IOException;import java.io.PrintStream;import java.security.AccessController;import java.security.AccessControlContext;import java.security.Principal;import java.security.PrivilegedAction;import java.security.SecureRandom;import javax.crypto.SecretKey; /** * A helper class that calls the KerberosClientKeyExchange implementation. */public class KerberosClientKeyExchange extends HandshakeMessage { private static final String IMPL_CLASS = "sun.security.ssl.krb5.KerberosClientKeyExchangeImpl"; private static final Class<?> implClass = AccessController.doPrivileged( new PrivilegedAction<Class<?>>() { public Class<?> run() { try { return Class.forName(IMPL_CLASS, true, null); } catch (ClassNotFoundException cnf) { return null; } } } ); private final KerberosClientKeyExchange impl = createImpl(); private KerberosClientKeyExchange createImpl() { if (getClass() == KerberosClientKeyExchange.class) { try { return (KerberosClientKeyExchange)implClass.newInstance(); } catch (InstantiationException e) { throw new AssertionError(e); } catch (IllegalAccessException e) { throw new AssertionError(e); } } return null; } public KerberosClientKeyExchange() { // empty } public KerberosClientKeyExchange(String serverName, boolean isLoopback, AccessControlContext acc, ProtocolVersion protocolVersion, SecureRandom rand) throws IOException { if (impl != null) { init(serverName, isLoopback, acc, protocolVersion, rand); } else { throw new IllegalStateException("Kerberos is unavailable"); } } public KerberosClientKeyExchange(ProtocolVersion protocolVersion, ProtocolVersion clientVersion, SecureRandom rand, HandshakeInStream input, SecretKey[] serverKeys) throws IOException { if (impl != null) { init(protocolVersion, clientVersion, rand, input, serverKeys); } else { throw new IllegalStateException("Kerberos is unavailable"); } } @Override int messageType() { return ht_client_key_exchange; } @Override public int messageLength() { return impl.messageLength(); } @Override public void send(HandshakeOutStream s) throws IOException { impl.send(s); } @Override public void print(PrintStream p) throws IOException { impl.print(p); } public void init(String serverName, boolean isLoopback, AccessControlContext acc, ProtocolVersion protocolVersion, SecureRandom rand) throws IOException { if (impl != null) { impl.init(serverName, isLoopback, acc, protocolVersion, rand); } } public void init(ProtocolVersion protocolVersion, ProtocolVersion clientVersion, SecureRandom rand, HandshakeInStream input, SecretKey[] serverKeys) throws IOException { if (impl != null) { impl.init(protocolVersion, clientVersion, rand, input, serverKeys); } } public byte[] getUnencryptedPreMasterSecret() { return impl.getUnencryptedPreMasterSecret(); } public Principal getPeerPrincipal(){ return impl.getPeerPrincipal(); } public Principal getLocalPrincipal(){ return impl.getLocalPrincipal(); }}
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.security.ssl;
import java.io.IOException;
import java.io.PrintStream;
import java.security.AccessController;
import java.security.AccessControlContext;
import java.security.Principal;
import java.security.PrivilegedAction;
import java.security.SecureRandom;
import javax.crypto.SecretKey;
/**
* A helper class that calls the KerberosClientKeyExchange implementation.
*/
public class KerberosClientKeyExchange extends HandshakeMessage {
private static final String IMPL_CLASS =
"sun.security.ssl.krb5.KerberosClientKeyExchangeImpl";
private static final Class<?> implClass = AccessController.doPrivileged(
new PrivilegedAction<Class<?>>() {
public Class<?> run() {
try {
return Class.forName(IMPL_CLASS, true, null);
} catch (ClassNotFoundException cnf) {
return null;
}
}
}
);
private final KerberosClientKeyExchange impl = createImpl();
private KerberosClientKeyExchange createImpl() {
if (getClass() == KerberosClientKeyExchange.class) {
try {
return (KerberosClientKeyExchange)implClass.newInstance();
} catch (InstantiationException e) {
throw new AssertionError(e);
} catch (IllegalAccessException e) {
throw new AssertionError(e);
}
}
return null;
}
public KerberosClientKeyExchange() {
// empty
}
public KerberosClientKeyExchange(String serverName, boolean isLoopback,
AccessControlContext acc, ProtocolVersion protocolVersion,
SecureRandom rand) throws IOException {
if (impl != null) {
init(serverName, isLoopback, acc, protocolVersion, rand);
} else {
throw new IllegalStateException("Kerberos is unavailable");
}
}
public KerberosClientKeyExchange(ProtocolVersion protocolVersion,
ProtocolVersion clientVersion, SecureRandom rand,
HandshakeInStream input, SecretKey[] serverKeys) throws IOException {
if (impl != null) {
init(protocolVersion, clientVersion, rand, input, serverKeys);
} else {
throw new IllegalStateException("Kerberos is unavailable");
}
}
@Override
int messageType() {
return ht_client_key_exchange;
}
@Override
public int messageLength() {
return impl.messageLength();
}
@Override
public void send(HandshakeOutStream s) throws IOException {
impl.send(s);
}
@Override
public void print(PrintStream p) throws IOException {
impl.print(p);
}
public void init(String serverName, boolean isLoopback,
AccessControlContext acc, ProtocolVersion protocolVersion,
SecureRandom rand) throws IOException {
if (impl != null) {
impl.init(serverName, isLoopback, acc, protocolVersion, rand);
}
}
public void init(ProtocolVersion protocolVersion,
ProtocolVersion clientVersion, SecureRandom rand,
HandshakeInStream input, SecretKey[] serverKeys) throws IOException {
if (impl != null) {
impl.init(protocolVersion, clientVersion, rand, input, serverKeys);
}
}
public byte[] getUnencryptedPreMasterSecret() {
return impl.getUnencryptedPreMasterSecret();
}
public Principal getPeerPrincipal(){
return impl.getPeerPrincipal();
}
public Principal getLocalPrincipal(){
return impl.getLocalPrincipal();
}
}