From e04cf9f1d1e0218f3d49b5a88e8ef8c00eed08b2 Mon Sep 17 00:00:00 2001
From: "szegedia%freemail.hu"
 <szegedia%freemail.hu@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Wed, 6 Sep 2006 12:54:45 +0000
Subject: [PATCH] Introduced SecurityUtilities -- for now, allows getting
 system properties in a privileged block

git-svn-id: svn://10.0.0.236/trunk@209263 18797224-902f-48f8-a5cc-f745e15eee43
---
 .../org/mozilla/javascript/Interpreter.java   |  2 +-
 .../mozilla/javascript/SecurityUtilities.java | 65 +++++++++++++++++++
 2 files changed, 66 insertions(+), 1 deletion(-)
 create mode 100644 mozilla/js/rhino/src/org/mozilla/javascript/SecurityUtilities.java

diff --git a/mozilla/js/rhino/src/org/mozilla/javascript/Interpreter.java b/mozilla/js/rhino/src/org/mozilla/javascript/Interpreter.java
index 69971ff3761..b9e313e5127 100644
--- a/mozilla/js/rhino/src/org/mozilla/javascript/Interpreter.java
+++ b/mozilla/js/rhino/src/org/mozilla/javascript/Interpreter.java
@@ -2155,7 +2155,7 @@ public class Interpreter
     {
         String tag = "org.mozilla.javascript.Interpreter.interpretLoop";
         StringBuffer sb = new StringBuffer(nativeStackTrace.length() + 1000);
-        String lineSeparator = System.getProperty("line.separator");
+        String lineSeparator = SecurityUtilities.getSystemProperty("line.separator");
 
         CallFrame[] array = (CallFrame[])ex.interpreterStackInfo;
         int[] linePC = ex.interpreterLineData;
diff --git a/mozilla/js/rhino/src/org/mozilla/javascript/SecurityUtilities.java b/mozilla/js/rhino/src/org/mozilla/javascript/SecurityUtilities.java
new file mode 100644
index 00000000000..659578a7416
--- /dev/null
+++ b/mozilla/js/rhino/src/org/mozilla/javascript/SecurityUtilities.java
@@ -0,0 +1,65 @@
+/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is Rhino code, released
+ * May 6, 1999.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1997-1999 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s):
+ * Norris Boyd
+ * Igor Bukanov
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU Public License (the "GPL"), in which case the
+ * provisions of the GPL are applicable instead of those above.
+ * If you wish to allow use of your version of this file only
+ * under the terms of the GPL and not to allow others to use your
+ * version of this file under the NPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL.  If you do not delete
+ * the provisions above, a recipient may use your version of this
+ * file under either the NPL or the GPL.
+ */
+
+package org.mozilla.javascript;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+
+/**
+ * @author Attila Szegedi
+ * @version $Id: SecurityUtilities.java,v 1.1 2006-09-06 12:53:49 szegedia%freemail.hu Exp $
+ */
+public class SecurityUtilities
+{
+    /**
+     * Retrieves a system property within a privileged block. Use it only when
+     * the property is used from within Rhino code and is not passed out of it.
+     * @param name the name of the system property
+     * @return the value of the system property
+     */
+    public static String getSystemProperty(final String name)
+    {
+        return (String)AccessController.doPrivileged(
+            new PrivilegedAction()
+            {
+                public Object run()
+                {
+                    return System.getProperty(name);
+                }
+            });
+    }
+}