/* * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.rmi.transport; import sun.rmi.transport.tcp.TCPConnection; import java.io.IOException; import java.rmi.dgc.Lease; import java.rmi.dgc.VMID; import java.rmi.server.UID; import java.util.ArrayList; import sun.misc.ObjectInputFilter; /** * Stubs to invoke DGC remote methods. * Originally generated from RMIC but frozen to insert serialFilter. */ @SuppressWarnings({"deprecation", "serial"}) public final class DGCImpl_Stub extends java.rmi.server.RemoteStub implements java.rmi.dgc.DGC { private static final java.rmi.server.Operation[] operations = { new java.rmi.server.Operation("void clean(java.rmi.server.ObjID[], long, java.rmi.dgc.VMID, boolean)"), new java.rmi.server.Operation("java.rmi.dgc.Lease dirty(java.rmi.server.ObjID[], long, java.rmi.dgc.Lease)") }; private static final long interfaceHash = -669196253586618813L; /** Registry max depth of remote invocations. **/ private static int DGCCLIENT_MAX_DEPTH = 6; /** Registry maximum array size in remote invocations. **/ private static int DGCCLIENT_MAX_ARRAY_SIZE = 10000; // constructors public DGCImpl_Stub() { super(); } public DGCImpl_Stub(java.rmi.server.RemoteRef ref) { super(ref); } // methods from remote interfaces // implementation of clean(ObjID[], long, VMID, boolean) public void clean(java.rmi.server.ObjID[] $param_arrayOf_ObjID_1, long $param_long_2, java.rmi.dgc.VMID $param_VMID_3, boolean $param_boolean_4) throws java.rmi.RemoteException { try { StreamRemoteCall call = (StreamRemoteCall)ref.newCall((java.rmi.server.RemoteObject) this, operations, 0, interfaceHash); call.setObjectInputFilter(DGCImpl_Stub::leaseFilter); try { java.io.ObjectOutput out = call.getOutputStream(); out.writeObject($param_arrayOf_ObjID_1); out.writeLong($param_long_2); out.writeObject($param_VMID_3); out.writeBoolean($param_boolean_4); } catch (java.io.IOException e) { throw new java.rmi.MarshalException("error marshalling arguments", e); } ref.invoke(call); ref.done(call); } catch (java.lang.RuntimeException e) { throw e; } catch (java.rmi.RemoteException e) { throw e; } catch (java.lang.Exception e) { throw new java.rmi.UnexpectedException("undeclared checked exception", e); } } // implementation of dirty(ObjID[], long, Lease) public java.rmi.dgc.Lease dirty(java.rmi.server.ObjID[] $param_arrayOf_ObjID_1, long $param_long_2, java.rmi.dgc.Lease $param_Lease_3) throws java.rmi.RemoteException { try { StreamRemoteCall call = (StreamRemoteCall)ref.newCall((java.rmi.server.RemoteObject) this, operations, 1, interfaceHash); call.setObjectInputFilter(DGCImpl_Stub::leaseFilter); try { java.io.ObjectOutput out = call.getOutputStream(); out.writeObject($param_arrayOf_ObjID_1); out.writeLong($param_long_2); out.writeObject($param_Lease_3); } catch (java.io.IOException e) { throw new java.rmi.MarshalException("error marshalling arguments", e); } ref.invoke(call); java.rmi.dgc.Lease $result; Connection connection = call.getConnection(); try { java.io.ObjectInput in = call.getInputStream(); $result = (java.rmi.dgc.Lease) in.readObject(); } catch (ClassCastException | IOException | ClassNotFoundException e) { if (connection instanceof TCPConnection) { // Modified to prevent re-use of the connection after an exception ((TCPConnection) connection).getChannel().free(connection, false); } call.discardPendingRefs(); throw new java.rmi.UnmarshalException("error unmarshalling return", e); } finally { ref.done(call); } return $result; } catch (java.lang.RuntimeException e) { throw e; } catch (java.rmi.RemoteException e) { throw e; } catch (java.lang.Exception e) { throw new java.rmi.UnexpectedException("undeclared checked exception", e); } } /** * ObjectInputFilter to filter DGCClient return value (a Lease). * The list of acceptable classes is very short and explicit. * The depth and array sizes are limited. *

* The filter must accept normal and exception returns. * A DGC server may throw exceptions that may have a cause * and suppressed exceptions. * * @param filterInfo access to class, arrayLength, etc. * @return {@link ObjectInputFilter.Status#ALLOWED} if allowed, * {@link ObjectInputFilter.Status#REJECTED} if rejected, * otherwise {@link ObjectInputFilter.Status#UNDECIDED} */ private static ObjectInputFilter.Status leaseFilter(ObjectInputFilter.FilterInfo filterInfo) { if (filterInfo.depth() > DGCCLIENT_MAX_DEPTH) { return ObjectInputFilter.Status.REJECTED; } Class clazz = filterInfo.serialClass(); if (clazz != null) { while (clazz.isArray()) { if (filterInfo.arrayLength() >= 0 && filterInfo.arrayLength() > DGCCLIENT_MAX_ARRAY_SIZE) { return ObjectInputFilter.Status.REJECTED; } // Arrays are allowed depending on the component type clazz = clazz.getComponentType(); } if (clazz.isPrimitive()) { // Arrays of primitives are allowed return ObjectInputFilter.Status.ALLOWED; } return (clazz == UID.class || clazz == VMID.class || clazz == Lease.class || (Throwable.class.isAssignableFrom(clazz) && clazz.getClassLoader() == Object.class.getClassLoader()) || clazz == StackTraceElement.class || clazz == ArrayList.class || // for suppressed exceptions, if any clazz == Object.class || clazz.getName().equals("java.util.Collections$UnmodifiableList") || clazz.getName().equals("java.util.Collections$UnmodifiableCollection") || clazz.getName().equals("java.util.Collections$UnmodifiableRandomAccessList")) ? ObjectInputFilter.Status.ALLOWED : ObjectInputFilter.Status.REJECTED; } // Not a class, not size limited return ObjectInputFilter.Status.UNDECIDED; } }