/*

 * 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.

 *

 * 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.

 */

/*

 * @test

 * @summary kerberos login failure on win2008 with AD set to win2000 compat mode

 * and cannot login if session key and preauth does not use the same etype

 */

import com.sun.security.auth.module.Krb5LoginModule;

import java.io.File;

import sun.security.krb5.Config;

import sun.security.krb5.EncryptedData;

import sun.security.krb5.PrincipalName;

import sun.security.krb5.internal.crypto.EType;

import sun.security.krb5.internal.ktab.KeyTab;

public class W83 {

    public static void main(String[] args) throws Exception {

        W83 x = new W83();

        // Cannot use OneKDC. kinit command cannot resolve

        // hostname kdc.rabbit.hole

        KDC kdc = new KDC(OneKDC.REALM, "127.0.0.1", 0, true);

        kdc.addPrincipal(OneKDC.USER, OneKDC.PASS);

        kdc.addPrincipalRandKey("krbtgt/" + OneKDC.REALM);

        KDC.saveConfig(OneKDC.KRB5_CONF, kdc);

        System.setProperty("java.security.krb5.conf", OneKDC.KRB5_CONF);

        Config.refresh();

        kdc.writeKtab(OneKDC.KTAB);

        KeyTab ktab = KeyTab.getInstance(OneKDC.KTAB);

        for (int etype: EType.getBuiltInDefaults()) {

            if (etype != EncryptedData.ETYPE_ARCFOUR_HMAC) {

                ktab.deleteEntries(new PrincipalName(OneKDC.USER), etype, -1);

            }

        }

        ktab.save();

        if (System.getProperty("6932525") != null) {

            // For 6932525 and 6951366, make sure the etypes sent in 2nd AS-REQ

            // is not restricted to that of preauth

            kdc.setOption(KDC.Option.ONLY_RC4_TGT, true);

        }

        if (System.getProperty("6959292") != null) {

            // For 6959292, make sure that when etype for enc-part in 2nd AS-REQ

            // is different from that of preauth, client can still decrypt it

            kdc.setOption(KDC.Option.RC4_FIRST_PREAUTH, true);

        }

        x.go();

    }

    void go() throws Exception {

        Krb5LoginModule krb5 = new Krb5LoginModule();

        StringBuffer error = new StringBuffer();

        try {

            Context.fromUserPass(OneKDC.USER, OneKDC.PASS, false);

        } catch (Exception e) {

            e.printStackTrace();

            error.append("Krb5LoginModule password login error\n");

        }

        try {

            Context.fromUserKtab(OneKDC.USER, OneKDC.KTAB, false);

        } catch (Exception e) {

            e.printStackTrace();

            error.append("Krb5LoginModule keytab login error\n");

        }

        try {

            Class.forName("sun.security.krb5.internal.tools.Kinit");

            String cmd = System.getProperty("java.home") +

                    System.getProperty("file.separator") +

                    "bin" +

                    System.getProperty("file.separator") +

                    "kinit";

            int p = execute(

                cmd,

                "-J-Djava.security.krb5.conf=" + OneKDC.KRB5_CONF,

                "-c", "cache1",

                OneKDC.USER,

                new String(OneKDC.PASS));

            if (p != 0) {

                error.append("kinit password login error\n");

            }

            p = execute(

                cmd,

                "-J-Djava.security.krb5.conf=" + OneKDC.KRB5_CONF,

                "-c", "cache2",

                "-k", "-t", OneKDC.KTAB,

                OneKDC.USER);

            if (p != 0) {

                error.append("kinit keytab login error\n");

            }

        } catch (ClassNotFoundException cnfe) {

            System.out.println("No kinit, test ignored.");

            // Ignore, not on windows

        }

        if (error.length() != 0) {

            throw new Exception(error.toString());

        }

    }

    private static int execute(String... args) throws Exception {

        for (String arg: args) {

            System.out.printf("%s ", arg);

        }

        System.out.println();

        Process p = Runtime.getRuntime().exec(args);

        return p.waitFor();

    }

}