src/java.security.jgss/share/classes/sun/security/jgss/wrapper/Krb5Util.java - master - githubmirror/jdk22

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

65 строк3 KB

Weijun Wang

8304264: Debug messages always show up for NativeGSS

16 мар 2023, 00:22

16 мар 2023, 00:22be08a25

/*
 * Copyright (c) 2005, 2023, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * 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.
 *
 * 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package sun.security.jgss.wrapper;

import org.ietf.jgss.*;
import java.lang.ref.Cleaner;
import javax.security.auth.kerberos.ServicePermission;

/**
 * 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;
    }

    // Perform the Service Permission check using the specified
    // <code>target</code> and <code>action</code>
    static void checkServicePermission(String target, String action) {
        @SuppressWarnings("removal")
        SecurityManager sm = System.getSecurityManager();
        if (sm != null) {
            if (SunNativeProvider.DEBUG) {
                SunNativeProvider.debug("Checking ServicePermission(" +
                        target + ", " + action + ")");
            }
            ServicePermission perm =
                new ServicePermission(target, action);
            sm.checkPermission(perm);
        }
    }
}