Showing the changes to java/pkg/sun/security/ssl/KerberosClientKeyExchange.java (1 of 18352 files). Show all
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| 1 | /* | ||
| 2 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.security.ssl; | ||
| 27 | |||
| 28 | import java.io.IOException; | ||
| 29 | import java.io.PrintStream; | ||
| 30 | import java.security.AccessController; | ||
| 31 | import java.security.AccessControlContext; | ||
| 32 | import java.security.Principal; | ||
| 33 | import java.security.PrivilegedAction; | ||
| 34 | import java.security.SecureRandom; | ||
| 35 | import javax.crypto.SecretKey; | ||
| 36 | |||
| 37 | /** | ||
| 38 | * A helper class that calls the KerberosClientKeyExchange implementation. | ||
| 39 | */ | ||
| 40 | public class KerberosClientKeyExchange extends HandshakeMessage { | ||
| 41 | |||
| 42 | private static final String IMPL_CLASS = | ||
| 43 | "sun.security.ssl.krb5.KerberosClientKeyExchangeImpl"; | ||
| 44 | |||
| 45 | private static final Class<?> implClass = AccessController.doPrivileged( | ||
| 46 | new PrivilegedAction<Class<?>>() { | ||
| 47 | public Class<?> run() { | ||
| 48 | try { | ||
| 49 | return Class.forName(IMPL_CLASS, true, null); | ||
| 50 | } catch (ClassNotFoundException cnf) { | ||
| 51 | return null; | ||
| 52 | } | ||
| 53 | } | ||
| 54 | } | ||
| 55 | ); | ||
| 56 | private final KerberosClientKeyExchange impl = createImpl(); | ||
| 57 | |||
| 58 | private KerberosClientKeyExchange createImpl() { | ||
| 59 | if (getClass() == KerberosClientKeyExchange.class) { | ||
| 60 | try { | ||
| 61 | return (KerberosClientKeyExchange)implClass.newInstance(); | ||
| 62 | } catch (InstantiationException e) { | ||
| 63 | throw new AssertionError(e); | ||
| 64 | } catch (IllegalAccessException e) { | ||
| 65 | throw new AssertionError(e); | ||
| 66 | } | ||
| 67 | } | ||
| 68 | return null; | ||
| 69 | } | ||
| 70 | |||
| 71 | public KerberosClientKeyExchange() { | ||
| 72 | // empty | ||
| 73 | } | ||
| 74 | |||
| 75 | public KerberosClientKeyExchange(String serverName, boolean isLoopback, | ||
| 76 | AccessControlContext acc, ProtocolVersion protocolVersion, | ||
| 77 | SecureRandom rand) throws IOException { | ||
| 78 | |||
| 79 | if (impl != null) { | ||
| 80 | init(serverName, isLoopback, acc, protocolVersion, rand); | ||
| 81 | } else { | ||
| 82 | throw new IllegalStateException("Kerberos is unavailable"); | ||
| 83 | } | ||
| 84 | } | ||
| 85 | |||
| 86 | public KerberosClientKeyExchange(ProtocolVersion protocolVersion, | ||
| 87 | ProtocolVersion clientVersion, SecureRandom rand, | ||
| 88 | HandshakeInStream input, SecretKey[] serverKeys) throws IOException { | ||
| 89 | |||
| 90 | if (impl != null) { | ||
| 91 | init(protocolVersion, clientVersion, rand, input, serverKeys); | ||
| 92 | } else { | ||
| 93 | throw new IllegalStateException("Kerberos is unavailable"); | ||
| 94 | } | ||
| 95 | } | ||
| 96 | |||
| 97 | @Override | ||
| 98 | int messageType() { | ||
| 99 | return ht_client_key_exchange; | ||
| 100 | } | ||
| 101 | |||
| 102 | @Override | ||
| 103 | public int messageLength() { | ||
| 104 | return impl.messageLength(); | ||
| 105 | } | ||
| 106 | |||
| 107 | @Override | ||
| 108 | public void send(HandshakeOutStream s) throws IOException { | ||
| 109 | impl.send(s); | ||
| 110 | } | ||
| 111 | |||
| 112 | @Override | ||
| 113 | public void print(PrintStream p) throws IOException { | ||
| 114 | impl.print(p); | ||
| 115 | } | ||
| 116 | |||
| 117 | public void init(String serverName, boolean isLoopback, | ||
| 118 | AccessControlContext acc, ProtocolVersion protocolVersion, | ||
| 119 | SecureRandom rand) throws IOException { | ||
| 120 | |||
| 121 | if (impl != null) { | ||
| 122 | impl.init(serverName, isLoopback, acc, protocolVersion, rand); | ||
| 123 | } | ||
| 124 | } | ||
| 125 | |||
| 126 | public void init(ProtocolVersion protocolVersion, | ||
| 127 | ProtocolVersion clientVersion, SecureRandom rand, | ||
| 128 | HandshakeInStream input, SecretKey[] serverKeys) throws IOException { | ||
| 129 | |||
| 130 | if (impl != null) { | ||
| 131 | impl.init(protocolVersion, clientVersion, rand, input, serverKeys); | ||
| 132 | } | ||
| 133 | } | ||
| 134 | |||
| 135 | public byte[] getUnencryptedPreMasterSecret() { | ||
| 136 | return impl.getUnencryptedPreMasterSecret(); | ||
| 137 | } | ||
| 138 | |||
| 139 | public Principal getPeerPrincipal(){ | ||
| 140 | return impl.getPeerPrincipal(); | ||
| 141 | } | ||
| 142 | |||
| 143 | public Principal getLocalPrincipal(){ | ||
| 144 | return impl.getLocalPrincipal(); | ||
| 145 | } | ||
| 146 | } | ||