Showing the changes to java/pkg/sun/security/ssl/KerberosClientKeyExchange.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,146 @@ | ||
| 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 | +} | |