ExtendedGSSContextImpl.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.security.jgss;

import org.ietf.jgss.*;
import sun.security.jgss.GSSContextImpl;
import sun.security.krb5.internal.AuthorizationData;

// The impl is almost identical to GSSContextImpl with only 2 differences:
// 1. It implements the extended interface
// 2. It translates result to data types here in inquireSecContext
class ExtendedGSSContextImpl extends GSSContextImpl
        implements ExtendedGSSContext {

    public ExtendedGSSContextImpl(GSSContextImpl old) {
        super(old);
    }

    @Override
    public Object inquireSecContext(InquireType type) throws GSSException {
        SecurityManager security = System.getSecurityManager();
        if (security != null) {
            security.checkPermission(
                    new InquireSecContextPermission(type.toString()));
        }
        Object output = super.inquireSecContext(type.name());
        if (output != null) {
            if (type == InquireType.KRB5_GET_AUTHZ_DATA) {
                AuthorizationData ad = (AuthorizationData) output;
                AuthorizationDataEntry[] authzData =
                        new AuthorizationDataEntry[ad.count()];
                for (int i = 0; i < ad.count(); i++) {
                    authzData[i] = new AuthorizationDataEntry(
                            ad.item(i).adType, ad.item(i).adData);
                }
                output = authzData;
            }
        }
        return output;
    }
}