1/*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 8078439
27 * @summary SPNEGO auth fails if client proposes MS krb5 OID
28 * @compile -XDignore.symbol.file MSOID2.java
29 * @run main/othervm MSOID2
30 */
31
32import sun.security.jgss.GSSUtil;
33import sun.security.util.HexDumpEncoder;
34
35// The basic krb5 test skeleton you can copy from
36public class MSOID2 {
37
38    public static void main(String[] args) throws Exception {
39
40        new OneKDC(null).writeJAASConf();
41
42        Context c, s;
43        c = Context.fromJAAS("client");
44        s = Context.fromJAAS("server");
45
46        c.startAsClient(OneKDC.SERVER, GSSUtil.GSS_SPNEGO_MECH_OID);
47        s.startAsServer(GSSUtil.GSS_SPNEGO_MECH_OID);
48
49        byte[] t = new byte[0];
50        boolean first = true;
51        while (true) {
52            if (t != null || !c.x().isEstablished()) t = c.take(t);
53            if (first) {
54                // Tweak the packet to append an extra OID
55                int len = t.length;
56                byte[] nt = new byte[len + 11];
57                System.arraycopy(t, 0, nt, 0, 0x23);
58                System.arraycopy(t, 0x18, nt, 0x23, 11);    // dup the OID
59                System.arraycopy(t, 0x23, nt, 0x2e, len-0x23);
60                nt[0x1d] = (byte)0x82;  // change the 1st to MS OID
61                // Length bytes to be tweaked
62                for (int pos: new int[] {3, 0xf, 0x13, 0x15, 0x17}) {
63                    int newLen = (nt[pos]&0xff) + 11;
64                    // The length byte at nt[pos] might overflow. It's
65                    // unlikely for nt[pos-1] to overflow, which means the size
66                    // of token is bigger than 65535.
67                    if (newLen >= 256) {
68                        nt[pos-1] = (byte)(nt[pos-1] + 1);
69                    }
70                    nt[pos] = (byte)newLen;
71                }
72                t = nt;
73                new HexDumpEncoder().encodeBuffer(t, System.out);
74            }
75            if (t != null || !s.x().isEstablished()) t = s.take(t);
76            if (c.x().isEstablished() && s.x().isEstablished()) break;
77            first = false;
78        }
79
80        Context.transmit("i say high --", c, s);
81        Context.transmit("   you say low", s, c);
82
83        s.dispose();
84        c.dispose();
85    }
86}
87