# HG changeset patch # User prappo # Date 1485534536 0 # Node ID a3460624dc332119fb8bb04a1fb2da004942ef8f # Parent 7f8b1ccf3d8e937fb9116fe3b6d9ae00f2e08985 8170116: Remove qualified exports from java.base to java.corba Reviewed-by: dfuchs, alanb, mchung Contributed-by: Chris Hegarty , Daniel Fuchs diff -r 7f8b1ccf3d8e -r a3460624dc33 corba/src/java.corba/share/classes/com/sun/corba/se/spi/orb/ORB.java --- a/corba/src/java.corba/share/classes/com/sun/corba/se/spi/orb/ORB.java Thu Jan 26 21:20:28 2017 +0000 +++ b/corba/src/java.corba/share/classes/com/sun/corba/se/spi/orb/ORB.java Fri Jan 27 16:28:56 2017 +0000 @@ -31,9 +31,6 @@ import java.util.concurrent.ConcurrentHashMap; import java.util.logging.Logger ; -import java.security.AccessController ; -import java.security.PrivilegedAction ; - import org.omg.CORBA.TCKind ; import com.sun.corba.se.pept.broker.Broker ; @@ -89,9 +86,6 @@ import com.sun.corba.se.impl.presentation.rmi.PresentationManagerImpl ; -import jdk.internal.misc.JavaAWTAccess; -import jdk.internal.misc.SharedSecrets; - public abstract class ORB extends com.sun.corba.se.org.omg.CORBA.ORB implements Broker, TypeCodeFactory { @@ -164,12 +158,9 @@ static class Holder { static final PresentationManager defaultPresentationManager = - setupPresentationManager(); + setupPresentationManager(); } - private static final Map pmContexts = - new ConcurrentHashMap<>(); - private static Map staticWrapperMap = new ConcurrentHashMap<>(); @@ -198,23 +189,10 @@ byteBufferPool = null; } - /** - * Returns the Presentation Manager for the current thread group, using the ThreadGroup-specific - * AppContext to hold it. Creates and records one if needed. + /** Get the single instance of the PresentationManager */ public static PresentationManager getPresentationManager() { - SecurityManager sm = System.getSecurityManager(); - JavaAWTAccess javaAwtAccess = SharedSecrets.getJavaAWTAccess(); - if (sm != null && javaAwtAccess != null) { - final Object appletContext = javaAwtAccess.getAppletContext(); - if (appletContext != null) { - return pmContexts.computeIfAbsent(appletContext, - x -> setupPresentationManager()); - } - } - - // No security manager or AppletAppContext return Holder.defaultPresentationManager; } diff -r 7f8b1ccf3d8e -r a3460624dc33 corba/src/java.corba/share/classes/org/omg/CORBA/ORB.java --- a/corba/src/java.corba/share/classes/org/omg/CORBA/ORB.java Thu Jan 26 21:20:28 2017 +0000 +++ b/corba/src/java.corba/share/classes/org/omg/CORBA/ORB.java Fri Jan 27 16:28:56 2017 +0000 @@ -36,8 +36,6 @@ import java.security.AccessController; import java.security.PrivilegedAction; -import sun.reflect.misc.ReflectUtil; - /** * A class providing APIs for the CORBA Object Request Broker * features. The {@code ORB} class also provides @@ -188,6 +186,24 @@ private static final String ORBClassKey = "org.omg.CORBA.ORBClass"; private static final String ORBSingletonClassKey = "org.omg.CORBA.ORBSingletonClass"; + // check that access to the class is not restricted by the security manager. + private static void checkPackageAccess(String name) { + SecurityManager s = System.getSecurityManager(); + if (s != null) { + String cname = name.replace('/', '.'); + if (cname.startsWith("[")) { + int b = cname.lastIndexOf('[') + 2; + if (b > 1 && b < cname.length()) { + cname = cname.substring(b); + } + } + int i = cname.lastIndexOf('.'); + if (i != -1) { + s.checkPackageAccess(cname.substring(0, i)); + } + } + } + // // The global instance of the singleton ORB implementation which // acts as a factory for typecodes for generated Helper classes. @@ -318,7 +334,7 @@ private static ORB create_impl_with_systemclassloader(String className) { try { - ReflectUtil.checkPackageAccess(className); + checkPackageAccess(className); ClassLoader cl = ClassLoader.getSystemClassLoader(); Class orbBaseClass = org.omg.CORBA.ORB.class; Class singletonOrbClass = Class.forName(className, true, cl).asSubclass(orbBaseClass); @@ -337,7 +353,7 @@ cl = ClassLoader.getSystemClassLoader(); try { - ReflectUtil.checkPackageAccess(className); + checkPackageAccess(className); Class orbBaseClass = org.omg.CORBA.ORB.class; Class orbClass = Class.forName(className, true, cl).asSubclass(orbBaseClass); return (ORB)orbClass.newInstance(); diff -r 7f8b1ccf3d8e -r a3460624dc33 corba/src/java.corba/share/classes/sun/corba/Bridge.java --- a/corba/src/java.corba/share/classes/sun/corba/Bridge.java Thu Jan 26 21:20:28 2017 +0000 +++ b/corba/src/java.corba/share/classes/sun/corba/Bridge.java Fri Jan 27 16:28:56 2017 +0000 @@ -29,6 +29,10 @@ import java.lang.invoke.MethodHandle; import java.lang.reflect.Field ; import java.lang.reflect.Constructor ; +import java.lang.StackWalker; +import java.lang.StackWalker.StackFrame; +import java.util.Optional; +import java.util.stream.Stream; import java.security.AccessController; import java.security.Permission; @@ -58,6 +62,7 @@ *
  • RuntimePermission "reflectionFactoryAccess"
    • *
  • BridgePermission "getBridge"
    • *
  • ReflectPermission "suppressAccessChecks"
    • + *
  • StackFramePermission "retainClassReference"
    • * *

    * All of these permissions are required to obtain and correctly initialize @@ -89,9 +94,12 @@ ) ; private final ReflectionFactory reflectionFactory ; + private final StackWalker stackWalker; private Bridge() { reflectionFactory = ReflectionFactory.getReflectionFactory(); + stackWalker = StackWalker.getInstance( + StackWalker.Option.RETAIN_CLASS_REFERENCE); } /** Fetch the Bridge singleton. This requires the following @@ -100,6 +108,7 @@ *

  • RuntimePermission "reflectionFactoryAccess"
    • *
  • BridgePermission "getBridge"
    • *
  • ReflectPermission "suppressAccessChecks"
    • + *
  • StackFramePermission "retainClassReference"
    • * * @return The singleton instance of the Bridge class * @throws SecurityException if the caller does not have the @@ -118,11 +127,33 @@ return bridge ; } + /** Returns true if the loader that loaded the frame's declaring class + * is a user loader (if it is not the platform class loader or one of + * its ancestor). + */ + private boolean isUserLoader(StackFrame sf) { + ClassLoader cl = sf.getDeclaringClass().getClassLoader(); + if (cl == null) return false; + ClassLoader p = ClassLoader.getPlatformClassLoader(); + while (cl != p && p != null) p = p.getParent(); + return cl != p; + } + + private Optional getLatestUserDefinedLoaderFrame(Stream stream) { + return stream.filter(this::isUserLoader).findFirst(); + } + + /** Obtain the latest user defined ClassLoader from the call stack. * This is required by the RMI-IIOP specification. */ public final ClassLoader getLatestUserDefinedLoader() { - return jdk.internal.misc.VM.latestUserDefinedLoader(); + // requires getClassLoader permission => needs doPrivileged. + PrivilegedAction pa = () -> + stackWalker.walk(this::getLatestUserDefinedLoaderFrame) + .map(sf -> sf.getDeclaringClass().getClassLoader()) + .orElseGet(() -> ClassLoader.getPlatformClassLoader()); + return AccessController.doPrivileged(pa); } /**