/*

 * Copyright (c) 2009, 2011, 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.

 *

 * 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 6893158 6907425 7197159

 * @run main/othervm MoreKvno

 * @summary AP_REQ check should use key version number

 */

import org.ietf.jgss.GSSException;

import sun.security.jgss.GSSUtil;

import sun.security.krb5.KrbException;

import sun.security.krb5.PrincipalName;

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

import sun.security.krb5.internal.Krb5;

public class MoreKvno {

    static PrincipalName p;

    public static void main(String[] args)

            throws Exception {

        OneKDC kdc = new OneKDC(null);

        kdc.writeJAASConf();

        // Rewrite keytab, 3 set of keys with different kvno

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

        p = new PrincipalName(

            OneKDC.SERVER+"@"+OneKDC.REALM, PrincipalName.KRB_NT_SRV_HST);

        ktab.addEntry(p, "pass1".toCharArray(), 1, true);

        ktab.addEntry(p, "pass3".toCharArray(), 3, true);

        ktab.addEntry(p, "pass2".toCharArray(), 2, true);

        ktab.save();

        char[] pass = "pass2".toCharArray();

        kdc.addPrincipal(OneKDC.SERVER, pass);

        go(OneKDC.SERVER, "com.sun.security.jgss.krb5.accept", pass);

        pass = "pass3".toCharArray();

        kdc.addPrincipal(OneKDC.SERVER, pass);

        // "server" initiate also, check pass2 is used at authentication

        go(OneKDC.SERVER, "server", pass);

        try {

            pass = "pass4".toCharArray();

            kdc.addPrincipal(OneKDC.SERVER, pass);

            go(OneKDC.SERVER, "com.sun.security.jgss.krb5.accept", pass);

            throw new Exception("This test should fail");

        } catch (GSSException gsse) {

            // Since 7197159, different kvno is accepted, this return code

            // will never be thrown out again.

            //KrbException ke = (KrbException)gsse.getCause();

            //if (ke.returnCode() != Krb5.KRB_AP_ERR_BADKEYVER) {

            //    throw new Exception("Not expected failure code: " +

            //            ke.returnCode());

            //}

        }

    }

    static void go(String server, String entry, char[] pass) throws Exception {

        Context c, s;

        // Part 1: Test keytab

        c = Context.fromUserPass("dummy", "bogus".toCharArray(), false);

        s = Context.fromJAAS(entry);

        c.startAsClient(server, GSSUtil.GSS_KRB5_MECH_OID);

        s.startAsServer(GSSUtil.GSS_KRB5_MECH_OID);

        Context.handshake(c, s);

        s.dispose();

        c.dispose();

        // Part 2: Test username/password pair

        c = Context.fromUserPass("dummy", "bogus".toCharArray(), false);

        s = Context.fromUserPass(p.getNameString(), pass, true);

        c.startAsClient(server, GSSUtil.GSS_KRB5_MECH_OID);

        s.startAsServer(GSSUtil.GSS_KRB5_MECH_OID);

        Context.handshake(c, s);

        s.dispose();

        c.dispose();

    }

}