1 /*
   2  * Copyright (c) 2016, 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 com.sun.security.jgss;
  27 
  28 import org.ietf.jgss.*;
  29 import sun.security.jgss.GSSContextImpl;
  30 import sun.security.krb5.internal.AuthorizationData;
  31 
  32 // The impl is almost identical to GSSContextImpl with only 2 differences:
  33 // 1. It implements the extended interface
  34 // 2. It translates result to data types here in inquireSecContext
  35 class ExtendedGSSContextImpl extends GSSContextImpl
  36         implements ExtendedGSSContext {
  37 
  38     public ExtendedGSSContextImpl(GSSContextImpl old) {
  39         super(old);
  40     }
  41 
  42     @Override
  43     public Object inquireSecContext(InquireType type) throws GSSException {
  44         SecurityManager security = System.getSecurityManager();
  45         if (security != null) {
  46             security.checkPermission(
  47                     new InquireSecContextPermission(type.toString()));
  48         }
  49         Object output = super.inquireSecContext(type.name());
  50         if (output != null) {
  51             if (type == InquireType.KRB5_GET_AUTHZ_DATA) {
  52                 AuthorizationData ad = (AuthorizationData) output;
  53                 AuthorizationDataEntry[] authzData =
  54                         new AuthorizationDataEntry[ad.count()];
  55                 for (int i = 0; i < ad.count(); i++) {
  56                     authzData[i] = new AuthorizationDataEntry(
  57                             ad.item(i).adType, ad.item(i).adData);
  58                 }
  59                 output = authzData;
  60             }
  61         }
  62         return output;
  63     }
  64 }