# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1407794899 -7200
# Node ID e52ad0d3b7d6f806d7612220b657a8dfdc6cc177
# Parent  8a05a498ab76ccceb947b4338d92321ea4506bcd
put some security sensitive actions into a privileged action

diff -r 8a05a498ab76 -r e52ad0d3b7d6 graal/com.oracle.truffle.api/src/com/oracle/truffle/api/Truffle.java
--- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/Truffle.java	Tue Aug 12 00:01:54 2014 +0200
+++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/Truffle.java	Tue Aug 12 00:08:19 2014 +0200
@@ -24,6 +24,8 @@
  */
 package com.oracle.truffle.api;
 
+import java.security.*;
+
 import com.oracle.truffle.api.impl.*;
 
 /**
@@ -31,7 +33,7 @@
  */
 public class Truffle {
 
-    private static final TruffleRuntime RUNTIME;
+    private static final TruffleRuntime RUNTIME = initRuntime();
 
     /**
      * Creates a new {@link TruffleRuntime} instance if the runtime has a specialized
@@ -46,13 +48,15 @@
         return RUNTIME;
     }
 
-    static {
-        TruffleRuntime runtime;
+    private static TruffleRuntime initRuntime() {
         try {
-            runtime = createRuntime();
+            return AccessController.doPrivileged(new PrivilegedAction<TruffleRuntime>() {
+                public TruffleRuntime run() {
+                    return createRuntime();
+                }
+            });
         } catch (UnsatisfiedLinkError e) {
-            runtime = new DefaultTruffleRuntime();
+            return new DefaultTruffleRuntime();
         }
-        RUNTIME = runtime;
     }
 }
diff -r 8a05a498ab76 -r e52ad0d3b7d6 graal/com.oracle.truffle.api/src/com/oracle/truffle/api/TruffleOptions.java
--- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/TruffleOptions.java	Tue Aug 12 00:01:54 2014 +0200
+++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/TruffleOptions.java	Tue Aug 12 00:08:19 2014 +0200
@@ -24,6 +24,8 @@
  */
 package com.oracle.truffle.api;
 
+import java.security.*;
+
 import com.oracle.truffle.api.nodes.*;
 
 /**
@@ -36,7 +38,7 @@
      * <p>
      * Can be set with {@code -Dtruffle.TraceRewrites=true}.
      */
-    public static boolean TraceRewrites = Boolean.getBoolean("truffle.TraceRewrites");
+    public static boolean TraceRewrites;
 
     /**
      * Enables the generation of detailed rewrite reasons. Enabling this may introduce some overhead
@@ -44,7 +46,7 @@
      * <p>
      * Can be set with {@code -Dtruffle.DetailedRewriteReasons=true}.
      */
-    public static final boolean DetailedRewriteReasons = Boolean.getBoolean("truffle.DetailedRewriteReasons");
+    public static final boolean DetailedRewriteReasons;
 
     /**
      * Filters rewrites that do not contain the given string in the qualified name of the source or
@@ -52,7 +54,7 @@
      * <p>
      * Can be set with {@code -Dtruffle.TraceRewritesFilterClass=name}.
      */
-    public static String TraceRewritesFilterClass = System.getProperty("truffle.TraceRewritesFilterClass");
+    public static String TraceRewritesFilterClass;
 
     /**
      * Filters rewrites which does not contain the {@link NodeCost} in its source {@link NodeInfo}.
@@ -61,7 +63,7 @@
      * Can be set with
      * {@code -Dtruffle.TraceRewritesFilterFromCost=NONE|MONOMORPHIC|POLYMORPHIC|MEGAMORPHIC}.
      */
-    public static NodeCost TraceRewritesFilterFromCost = parseNodeInfoKind(System.getProperty("truffle.TraceRewritesFilterFromCost"));
+    public static NodeCost TraceRewritesFilterFromCost;
 
     /**
      * Filters rewrites which does not contain the {@link NodeCost} in its target {@link NodeInfo}.
@@ -70,14 +72,14 @@
      * Can be set with
      * {@code -Dtruffle.TraceRewritesFilterToKind=UNINITIALIZED|SPECIALIZED|POLYMORPHIC|GENERIC}.
      */
-    public static NodeCost TraceRewritesFilterToCost = parseNodeInfoKind(System.getProperty("truffle.TraceRewritesFilterToCost"));
+    public static NodeCost TraceRewritesFilterToCost;
 
     /**
      * Enables the dumping of Node creations and AST rewrites in JSON format.
      * <p>
      * Can be set with {@code -Dtruffle.TraceASTJSON=true}.
      */
-    public static final boolean TraceASTJSON = Boolean.getBoolean("truffle.TraceASTJSON");
+    public static final boolean TraceASTJSON;
 
     private static NodeCost parseNodeInfoKind(String kind) {
         if (kind == null) {
@@ -87,4 +89,21 @@
         return NodeCost.valueOf(kind);
     }
 
+    static {
+        final boolean[] values = {false, false};
+        AccessController.doPrivileged(new PrivilegedAction<Void>() {
+            public Void run() {
+                TraceRewrites = Boolean.getBoolean("truffle.TraceRewrites");
+                TraceRewritesFilterClass = System.getProperty("truffle.TraceRewritesFilterClass");
+                TraceRewritesFilterFromCost = parseNodeInfoKind(System.getProperty("truffle.TraceRewritesFilterFromCost"));
+                TraceRewritesFilterToCost = parseNodeInfoKind(System.getProperty("truffle.TraceRewritesFilterToCost"));
+                values[0] = Boolean.getBoolean("truffle.DetailedRewriteReasons");
+                values[1] = Boolean.getBoolean("truffle.TraceASTJSON");
+                return null;
+            }
+        });
+
+        DetailedRewriteReasons = values[0];
+        TraceASTJSON = values[1];
+    }
 }
diff -r 8a05a498ab76 -r e52ad0d3b7d6 graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/NodeUtil.java
--- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/NodeUtil.java	Tue Aug 12 00:01:54 2014 +0200
+++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/NodeUtil.java	Tue Aug 12 00:08:19 2014 +0200
@@ -27,6 +27,7 @@
 import java.io.*;
 import java.lang.annotation.*;
 import java.lang.reflect.*;
+import java.security.*;
 import java.util.*;
 
 import sun.misc.*;
@@ -160,9 +161,13 @@
         private static final ClassValue<NodeClass> nodeClasses = new ClassValue<NodeClass>() {
             @SuppressWarnings("unchecked")
             @Override
-            protected NodeClass computeValue(Class<?> clazz) {
+            protected NodeClass computeValue(final Class<?> clazz) {
                 assert Node.class.isAssignableFrom(clazz);
-                return new NodeClass((Class<? extends Node>) clazz, unsafeFieldOffsetProvider);
+                return AccessController.doPrivileged(new PrivilegedAction<NodeClass>() {
+                    public NodeClass run() {
+                        return new NodeClass((Class<? extends Node>) clazz, unsafeFieldOffsetProvider);
+                    }
+                });
             }
         };