8031395: Enhance LDAP processing

Reviewed-by: vinnie, alanb, skoivu, ahgross

src/share/classes/com/sun/jndi/ldap/LdapBindingEnumeration.java

@@ -25,6 +25,10 @@
 
 package com.sun.jndi.ldap;
 
+import java.security.AccessControlContext;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
 import java.util.Vector;
 import javax.naming.*;
 import javax.naming.directory.*;
@@ -36,6 +40,8 @@ import com.sun.jndi.toolkit.ctx.Continuation;
 final class LdapBindingEnumeration
         extends AbstractLdapNamingEnumeration<Binding> {
 
+    private final AccessControlContext acc = AccessController.getContext();
+
     LdapBindingEnumeration(LdapCtx homeCtx, LdapResult answer, Name remain,
         Continuation cont) throws NamingException
     {
@@ -52,7 +58,16 @@ final class LdapBindingEnumeration
 
         if (attrs.get(Obj.JAVA_ATTRIBUTES[Obj.CLASSNAME]) != null) {
             // serialized object or object reference
-            obj = Obj.decodeObject(attrs);
+            try {
+                obj = AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
+                    @Override
+                    public Object run() throws NamingException {
+                        return Obj.decodeObject(attrs);
+                    }
+                }, acc);
+            } catch (PrivilegedActionException e) {
+                throw (NamingException)e.getException();
+            }
         }
         if (obj == null) {
             // DirContext object

src/share/classes/com/sun/jndi/ldap/LdapSearchEnumeration.java

@@ -25,6 +25,10 @@
 
 package com.sun.jndi.ldap;
 
+import java.security.AccessControlContext;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
 import java.util.Vector;
 import javax.naming.*;
 import javax.naming.directory.*;
@@ -40,6 +44,8 @@ final class LdapSearchEnumeration
     private Name startName;             // prefix of names of search results
     private LdapCtx.SearchArgs searchArgs = null;
 
+    private final AccessControlContext acc = AccessController.getContext();
+
     LdapSearchEnumeration(LdapCtx homeCtx, LdapResult search_results,
         String starter, LdapCtx.SearchArgs args, Continuation cont)
         throws NamingException {
@@ -112,8 +118,16 @@ final class LdapSearchEnumeration
             if (attrs.get(Obj.JAVA_ATTRIBUTES[Obj.CLASSNAME]) != null) {
                 // Entry contains Java-object attributes (ser/ref object)
                 // serialized object or object reference
-                obj = Obj.decodeObject(attrs);
-
+                try {
+                    obj = AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
+                        @Override
+                        public Object run() throws NamingException {
+                            return Obj.decodeObject(attrs);
+                        }
+                    }, acc);
+                } catch (PrivilegedActionException e) {
+                    throw (NamingException)e.getException();
+                }
             }
             if (obj == null) {
                 obj = new LdapCtx(homeCtx, dn);