| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.wss4j.common.kerberos; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.security.Key; |
| import java.security.Principal; |
| import java.security.PrivilegedExceptionAction; |
| |
| import org.apache.wss4j.common.ext.WSSecurityException; |
| import org.apache.wss4j.common.ext.WSSecurityException.ErrorCode; |
| import org.ietf.jgss.GSSContext; |
| import org.ietf.jgss.GSSCredential; |
| import org.ietf.jgss.GSSException; |
| import org.ietf.jgss.GSSManager; |
| import org.ietf.jgss.GSSName; |
| import org.ietf.jgss.Oid; |
| |
| /** |
| * This class represents a PrivilegedExceptionAction implementation to obtain a service ticket from a Kerberos |
| * Key Distribution Center. |
| */ |
| public class KerberosClientExceptionAction implements PrivilegedExceptionAction<KerberosContext> { |
| private static final String JAVA_VERSION = System.getProperty("java.version"); |
| private static final boolean IS_JAVA_5_OR_6 = JAVA_VERSION.startsWith("1.5") || JAVA_VERSION.startsWith("1.6"); |
| private static final boolean IS_ORACLE_JAVA_VENDOR = System.getProperty("java.vendor").startsWith("Oracle"); |
| private static final boolean IS_IBM_JAVA_VENDOR = System.getProperty("java.vendor").startsWith("IBM"); |
| private static final boolean IS_HP_JAVA_VENDOR = System.getProperty("java.vendor").startsWith("Hewlett-Packard"); |
| |
| private static final String SUN_JGSS_INQUIRE_TYPE_CLASS = "com.sun.security.jgss.InquireType"; |
| private static final String SUN_JGSS_EXT_GSSCTX_CLASS = "com.sun.security.jgss.ExtendedGSSContext"; |
| |
| private static final String IBM_JGSS_INQUIRE_TYPE_CLASS = "com.ibm.security.jgss.InquireType"; |
| private static final String IBM_JGSS_EXT_GSSCTX_CLASS = "com.ibm.security.jgss.ExtendedGSSContext"; |
| |
| private static final String JGSS_KERBEROS_TICKET_OID = "1.2.840.113554.1.2.2"; |
| private static final String JGSS_SPNEGO_TICKET_OID = "1.3.6.1.5.5.2"; |
| |
| private Principal clientPrincipal; |
| private String serviceName; |
| private boolean isUsernameServiceNameForm; |
| private boolean requestCredDeleg; |
| private GSSCredential delegatedCredential; |
| private boolean spnego; |
| private boolean mutualAuth; |
| |
| public KerberosClientExceptionAction(Principal clientPrincipal, String serviceName, |
| boolean isUsernameServiceNameForm, boolean requestCredDeleg) { |
| this(clientPrincipal, serviceName, isUsernameServiceNameForm, |
| requestCredDeleg, null, false, false); |
| } |
| |
| public KerberosClientExceptionAction(Principal clientPrincipal, String serviceName, |
| boolean isUsernameServiceNameForm, boolean requestCredDeleg, |
| GSSCredential delegatedCredential, |
| boolean spnego, boolean mutualAuth) { |
| this.clientPrincipal = clientPrincipal; |
| this.serviceName = serviceName; |
| this.isUsernameServiceNameForm = isUsernameServiceNameForm; |
| this.requestCredDeleg = requestCredDeleg; |
| this.delegatedCredential = delegatedCredential; |
| this.spnego = spnego; |
| this.mutualAuth = mutualAuth; |
| } |
| |
| public KerberosContext run() throws GSSException, WSSecurityException { |
| GSSManager gssManager = GSSManager.getInstance(); |
| |
| GSSName gssService = gssManager.createName(serviceName, isUsernameServiceNameForm |
| ? GSSName.NT_USER_NAME : GSSName.NT_HOSTBASED_SERVICE); |
| Oid oid = null; |
| GSSCredential credentials = delegatedCredential; |
| if (spnego) { |
| oid = new Oid(JGSS_SPNEGO_TICKET_OID); |
| } else { |
| oid = new Oid(JGSS_KERBEROS_TICKET_OID); |
| |
| if (credentials == null) { |
| GSSName gssClient = gssManager.createName(clientPrincipal.getName(), GSSName.NT_USER_NAME); |
| credentials = |
| gssManager.createCredential( |
| gssClient, GSSCredential.DEFAULT_LIFETIME, oid, GSSCredential.INITIATE_ONLY |
| ); |
| } |
| } |
| |
| GSSContext secContext = |
| gssManager.createContext( |
| gssService, oid, credentials, GSSContext.DEFAULT_LIFETIME |
| ); |
| |
| secContext.requestMutualAuth(mutualAuth); |
| secContext.requestCredDeleg(requestCredDeleg); |
| |
| byte[] token = new byte[0]; |
| byte[] returnedToken = secContext.initSecContext(token, 0, token.length); |
| |
| KerberosContext krbCtx = new KerberosContext(); |
| krbCtx.setGssContext(secContext); |
| krbCtx.setKerberosToken(returnedToken); |
| |
| if (!IS_JAVA_5_OR_6 && (IS_ORACLE_JAVA_VENDOR || IS_IBM_JAVA_VENDOR || IS_HP_JAVA_VENDOR)) { |
| try { |
| @SuppressWarnings("rawtypes") |
| Class inquireType = Class.forName(IS_IBM_JAVA_VENDOR ? IBM_JGSS_INQUIRE_TYPE_CLASS : SUN_JGSS_INQUIRE_TYPE_CLASS); |
| |
| @SuppressWarnings("rawtypes") |
| Class extendedGSSContext = Class.forName(IS_IBM_JAVA_VENDOR ? IBM_JGSS_EXT_GSSCTX_CLASS : SUN_JGSS_EXT_GSSCTX_CLASS); |
| |
| @SuppressWarnings("unchecked") |
| Method inquireSecContext = extendedGSSContext.getMethod("inquireSecContext", inquireType); |
| |
| @SuppressWarnings("unchecked") |
| Key key = (Key) inquireSecContext.invoke(secContext, Enum.valueOf(inquireType, "KRB5_GET_SESSION_KEY")); |
| |
| krbCtx.setSecretKey(key); |
| } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException |
| | InvocationTargetException e) { |
| throw new WSSecurityException( |
| ErrorCode.FAILURE, e, "kerberosServiceTicketError" |
| ); |
| } |
| } |
| |
| return krbCtx; |
| } |
| } |