UnixPrincipalHashCode.java

/*
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 * 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.
 *
 * 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.
 *
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/**
 * @test
 * @bug 8198352
 * @requires os.family != "windows"
 * @run main/othervm/policy=uphc.policy
 *      -Djava.security.auth.login.config=uphc.conf
 *      UnixPrincipalHashCode
 * @summary java.util.MissingResourceException: sun.security.util.AuthResources
 *          when trying to use com.sun.security.auth.module.UnixLoginModule
 */

import javax.security.auth.Subject;
import javax.security.auth.login.LoginContext;
import java.nio.file.Files;
import java.nio.file.Path;
import java.security.PrivilegedAction;
import java.util.List;

public class UnixPrincipalHashCode {
    public static void main(java.lang.String[] args) throws Exception {
        Files.write(Path.of("uphc.conf"), List.of(
                "entry {",
                "    com.sun.security.auth.module.UnixLoginModule required;",
                "};"));
        LoginContext lc = new LoginContext("entry");
        lc.login();
        Subject subject = lc.getSubject();
        PrivilegedAction action = () -> {
            System.out.println(subject);
            return null;
        };
        Subject.doAsPrivileged(subject, action, null);
    }
}