src/java.security.jgss/share/classes/sun/security/jgss/wrapper/Krb5Util.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * 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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package sun.security.jgss.wrapper;

import org.ietf.jgss.*;
import java.lang.ref.Cleaner;

/**
 * This class is a utility class for Kerberos related stuff.
 * @author Valerie Peng
 * @since 1.6
 */
class Krb5Util {
    // A cleaner, shared within this module.
    static final Cleaner cleaner = Cleaner.create();

    // Return the Kerberos TGS principal name using the domain
    // of the specified <code>name</code>
    static String getTGSName(GSSNameElement name)
        throws GSSException {
        String krbPrinc = name.getKrbName();
        int atIndex = krbPrinc.indexOf('@');
        String realm = krbPrinc.substring(atIndex + 1);
        return "krbtgt/" + realm + '@' + realm;
    }
}