| /* |
| * Copyright (c) 2014, 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. |
| * |
| * 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 |
| * @bug 8048073 |
| * @summary Cannot read ccache entry with a realm-less service name |
| * @modules java.security.jgss/sun.security.krb5 |
| * java.security.jgss/sun.security.krb5.internal.ccache |
| * @compile -XDignore.symbol.file EmptyRealmCC.java |
| * @run main EmptyRealmCC |
| */ |
| import java.nio.file.Files; |
| import java.nio.file.Paths; |
| |
| import sun.security.krb5.internal.ccache.CredentialsCache; |
| |
| public class EmptyRealmCC { |
| public static void main(String[] args) throws Exception { |
| byte[] ccache = TimeInCCache.ccache; |
| |
| // The service name starts at 0x52: |
| // |
| // 0050: 00 00 00 02 00 00 00 0A 4D 41 58 49 2E 4C |
| // ----------- ----------- |
| // 0060: 4F 43 41 4C 00 00 00 06 6B 72 62 74 67 74 00 00 |
| // ----------- ----- |
| // 0070: 00 0A 4D 41 58 49 2E 4C 4F 43 41 4C |
| // ----- |
| // |
| // which contains 2 (the length of names), a 10-byte realm, a 6-byte |
| // name[0], and a 10-byte name[1]. |
| |
| // We will empty the realm, and pack the realm string to another |
| // name (6-byte ".LOCAL"). Finally "krbtgt/MAXI.LOCAL@MAXI.LOCAL" |
| // becomes ".LOCAL/krbtgt/MAXI.LOCAL@". |
| |
| // length of names is now 3 |
| ccache[0x55] = 3; |
| // The empty realm |
| System.arraycopy(new byte[4], 0, ccache, 0x56, 4); |
| // Length of inserted name is 6 |
| System.arraycopy(new byte[]{0,0,0,6}, 0, ccache, 0x5A, 4); |
| |
| Files.write(Paths.get("tmpcc"), TimeInCCache.ccache); |
| if (CredentialsCache.getInstance("tmpcc").getCredsList() != null) { |
| throw new Exception("Nothing should be there"); |
| } |
| } |
| } |