1 /*
   2  * Copyright (c) 2014, 2016, 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  */

  28  * @test TestNullTerminatedFlags
  29  * @bug 6522873
  30  * @summary Test that the VM don't allow random junk characters at the end of valid command line flags.
  31  * @library /test/lib
  32  * @modules java.base/jdk.internal.misc
  33  *          java.management
  34  * @run driver TestNullTerminatedFlags
  35  */
  36 public class TestNullTerminatedFlags {
  37    public static String[] options = {
  38             "-Xnoclassgc",
  39             "-Xconcgc",
  40             "-Xnoconcgc",
  41             "-Xbatch",
  42             "-green",
  43             "-native",
  44             "-Xsqnopause",
  45             "-Xrs",
  46             "-Xusealtsigs",
  47             "-Xoptimize",
  48             "-Xprof",
  49             "-Xconcurrentio",
  50             "-Xinternalversion",
  51             "-Xprintflags",
  52             "-Xint",
  53             "-Xmixed",
  54             "-Xcomp",
  55             "-Xshare:dump",
  56             "-Xshare:on",
  57             "-Xshare:auto",
  58             "-Xshare:off",
  59             "-Xdebug",
  60             "-Xnoagent",
  61             "-Xboundthreads"
  62         };
  63 
  64     public static void main(String args[]) throws Exception{
  65         for (String option : options) {
  66             String testOption = option + "junk";
  67             ProcessBuilder pb =
  68                 ProcessTools.createJavaProcessBuilder(testOption, "-version");

   1 /*
   2  * Copyright (c) 2014, 2017, 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  */

  28  * @test TestNullTerminatedFlags
  29  * @bug 6522873
  30  * @summary Test that the VM don't allow random junk characters at the end of valid command line flags.
  31  * @library /test/lib
  32  * @modules java.base/jdk.internal.misc
  33  *          java.management
  34  * @run driver TestNullTerminatedFlags
  35  */
  36 public class TestNullTerminatedFlags {
  37    public static String[] options = {
  38             "-Xnoclassgc",
  39             "-Xconcgc",
  40             "-Xnoconcgc",
  41             "-Xbatch",
  42             "-green",
  43             "-native",
  44             "-Xsqnopause",
  45             "-Xrs",
  46             "-Xusealtsigs",
  47             "-Xoptimize",

  48             "-Xconcurrentio",
  49             "-Xinternalversion",
  50             "-Xprintflags",
  51             "-Xint",
  52             "-Xmixed",
  53             "-Xcomp",
  54             "-Xshare:dump",
  55             "-Xshare:on",
  56             "-Xshare:auto",
  57             "-Xshare:off",
  58             "-Xdebug",
  59             "-Xnoagent",
  60             "-Xboundthreads"
  61         };
  62 
  63     public static void main(String args[]) throws Exception{
  64         for (String option : options) {
  65             String testOption = option + "junk";
  66             ProcessBuilder pb =
  67                 ProcessTools.createJavaProcessBuilder(testOption, "-version");