Security: Tighten DynamicLinker*, NativeLibrary and DynamicLibraryBundle access.

1 files changed, 31 insertions, 4 deletions

diff --git a/src/java/jogamp/common/os/BionicDynamicLinkerImpl.java b/src/java/jogamp/common/os/BionicDynamicLinkerImpl.java
index 3864ab2..488ce99 100644
--- a/src/java/jogamp/common/os/BionicDynamicLinkerImpl.java
+++ b/src/java/jogamp/common/os/BionicDynamicLinkerImpl.java
@@ -1,3 +1,30 @@
+/**
+ * Copyright 2013 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
 package jogamp.common.os;
 
 import com.jogamp.common.util.SecurityUtil;
@@ -9,7 +36,7 @@ import com.jogamp.common.util.SecurityUtil;
  * Bionic is used on Android.
  * </p>
  */
-public class BionicDynamicLinkerImpl extends UnixDynamicLinkerImpl {
+public final class BionicDynamicLinkerImpl extends UnixDynamicLinkerImpl {
   private static final long RTLD_DEFAULT = 0xffffffffL;
   //      static final long RTLD_NEXT    = 0xfffffffeL;
   
@@ -19,7 +46,7 @@ public class BionicDynamicLinkerImpl extends UnixDynamicLinkerImpl {
   private static final int RTLD_GLOBAL   = 0x00002;
 
   // --- Begin CustomJavaCode .cfg declarations
-  public long openLibraryLocal(String pathname, boolean debug) throws SecurityException {
+  public final long openLibraryLocal(String pathname, boolean debug) throws SecurityException {
     // Note we use RTLD_GLOBAL visibility to _NOT_ allow this functionality to
     // be used to pre-resolve dependent libraries of JNI code without
     // requiring that all references to symbols in those libraries be
@@ -31,7 +58,7 @@ public class BionicDynamicLinkerImpl extends UnixDynamicLinkerImpl {
     return dlopen(pathname, RTLD_LAZY | RTLD_LOCAL);
   }
 
-  public long openLibraryGlobal(String pathname, boolean debug) throws SecurityException {
+  public final long openLibraryGlobal(String pathname, boolean debug) throws SecurityException {
     // Note we use RTLD_GLOBAL visibility to allow this functionality to
     // be used to pre-resolve dependent libraries of JNI code without
     // requiring that all references to symbols in those libraries be
@@ -43,7 +70,7 @@ public class BionicDynamicLinkerImpl extends UnixDynamicLinkerImpl {
     return dlopen(pathname, RTLD_LAZY | RTLD_GLOBAL);
   }
   
-  public long lookupSymbolGlobal(String symbolName) {
+  public final long lookupSymbolGlobal(String symbolName) {
     final long addr = dlsym(RTLD_DEFAULT, symbolName);
     if(DEBUG_LOOKUP) {
         System.err.println("DynamicLinkerImpl.lookupSymbolGlobal("+symbolName+") -> 0x"+Long.toHexString(addr));