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 8028780
  27  * @summary JDK KRB5 module throws OutOfMemoryError when CCache is corrupt


  28  * @run main/othervm -Xmx8m CorruptedCC
  29  */
  30 import java.nio.file.Files;
  31 import java.nio.file.Paths;
  32 import sun.security.krb5.internal.ccache.CredentialsCache;
  33 
  34 public class CorruptedCC {
  35     public static void main(String[] args) throws Exception {
  36         for (int i=0; i<TimeInCCache.ccache.length; i++) {
  37             byte old = TimeInCCache.ccache[i];
  38             TimeInCCache.ccache[i] = 0x7f;
  39             Files.write(Paths.get("tmpcc"), TimeInCCache.ccache);
  40             // The next line will return null for I/O issues. That's OK.
  41             CredentialsCache.getInstance("tmpcc");
  42             TimeInCCache.ccache[i] = old;
  43         }
  44     }
  45 }

   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 8028780
  27  * @summary JDK KRB5 module throws OutOfMemoryError when CCache is corrupt
  28  * @modules java.security.jgss/sun.security.krb5
  29  *          java.security.jgss/sun.security.krb5.internal.ccache
  30  * @run main/othervm -Xmx8m CorruptedCC
  31  */
  32 import java.nio.file.Files;
  33 import java.nio.file.Paths;
  34 import sun.security.krb5.internal.ccache.CredentialsCache;
  35 
  36 public class CorruptedCC {
  37     public static void main(String[] args) throws Exception {
  38         for (int i=0; i<TimeInCCache.ccache.length; i++) {
  39             byte old = TimeInCCache.ccache[i];
  40             TimeInCCache.ccache[i] = 0x7f;
  41             Files.write(Paths.get("tmpcc"), TimeInCCache.ccache);
  42             // The next line will return null for I/O issues. That's OK.
  43             CredentialsCache.getInstance("tmpcc");
  44             TimeInCCache.ccache[i] = old;
  45         }
  46     }
  47 }