/* * 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;
// 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(newbyte[4], 0, ccache, 0x56, 4); // Length of inserted name is 6
System.arraycopy(newbyte[]{0,0,0,6}, 0, ccache, 0x5A, 4);
Files.write(Paths.get("tmpcc"), TimeInCCache.ccache); if (CredentialsCache.getInstance("tmpcc").getCredsList() != null) { thrownew Exception("Nothing should be there");
}
}
}
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