|
1 /* |
|
2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
|
4 * |
|
5 * This code is free software; you can redistribute it and/or modify it |
|
6 * under the terms of the GNU General Public License version 2 only, as |
|
7 * published by the Free Software Foundation. Oracle designates this |
|
8 * particular file as subject to the "Classpath" exception as provided |
|
9 * by Oracle in the LICENSE file that accompanied this code. |
|
10 * |
|
11 * This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 * version 2 for more details (a copy is included in the LICENSE file that |
|
15 * accompanied this code). |
|
16 * |
|
17 * You should have received a copy of the GNU General Public License version |
|
18 * 2 along with this work; if not, write to the Free Software Foundation, |
|
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 * |
|
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
22 * or visit www.oracle.com if you need additional information or have any |
|
23 * questions. |
|
24 */ |
|
25 |
|
26 package sun.rmi.transport; |
|
27 |
|
28 import java.io.ObjectInputFilter; |
|
29 import java.io.ObjectInputStream; |
|
30 import java.rmi.dgc.Lease; |
|
31 import java.rmi.dgc.VMID; |
|
32 import java.rmi.server.UID; |
|
33 import java.security.AccessController; |
|
34 import java.security.PrivilegedAction; |
|
35 |
|
36 import sun.rmi.server.UnicastRef; |
|
37 import sun.rmi.transport.tcp.TCPConnection; |
|
38 |
|
39 /** |
|
40 * Stubs to invoke DGC remote methods. |
|
41 * Originally generated from RMIC but frozen to insert serialFilter. |
|
42 */ |
|
43 @SuppressWarnings({"deprecation", "serial"}) |
|
44 public final class DGCImpl_Stub |
|
45 extends java.rmi.server.RemoteStub |
|
46 implements java.rmi.dgc.DGC { |
|
47 private static final java.rmi.server.Operation[] operations = { |
|
48 new java.rmi.server.Operation("void clean(java.rmi.server.ObjID[], long, java.rmi.dgc.VMID, boolean)"), |
|
49 new java.rmi.server.Operation("java.rmi.dgc.Lease dirty(java.rmi.server.ObjID[], long, java.rmi.dgc.Lease)") |
|
50 }; |
|
51 |
|
52 private static final long interfaceHash = -669196253586618813L; |
|
53 |
|
54 /** Registry max depth of remote invocations. **/ |
|
55 private static int DGCCLIENT_MAX_DEPTH = 6; |
|
56 |
|
57 /** Registry maximum array size in remote invocations. **/ |
|
58 private static int DGCCLIENT_MAX_ARRAY_SIZE = 10000; |
|
59 |
|
60 // constructors |
|
61 public DGCImpl_Stub() { |
|
62 super(); |
|
63 } |
|
64 |
|
65 public DGCImpl_Stub(java.rmi.server.RemoteRef ref) { |
|
66 super(ref); |
|
67 } |
|
68 |
|
69 // methods from remote interfaces |
|
70 |
|
71 // implementation of clean(ObjID[], long, VMID, boolean) |
|
72 public void clean(java.rmi.server.ObjID[] $param_arrayOf_ObjID_1, long $param_long_2, java.rmi.dgc.VMID $param_VMID_3, boolean $param_boolean_4) |
|
73 throws java.rmi.RemoteException { |
|
74 try { |
|
75 java.rmi.server.RemoteCall call = ref.newCall((java.rmi.server.RemoteObject) this, operations, 0, interfaceHash); |
|
76 try { |
|
77 java.io.ObjectOutput out = call.getOutputStream(); |
|
78 out.writeObject($param_arrayOf_ObjID_1); |
|
79 out.writeLong($param_long_2); |
|
80 out.writeObject($param_VMID_3); |
|
81 out.writeBoolean($param_boolean_4); |
|
82 } catch (java.io.IOException e) { |
|
83 throw new java.rmi.MarshalException("error marshalling arguments", e); |
|
84 } |
|
85 ref.invoke(call); |
|
86 ref.done(call); |
|
87 } catch (java.lang.RuntimeException e) { |
|
88 throw e; |
|
89 } catch (java.rmi.RemoteException e) { |
|
90 throw e; |
|
91 } catch (java.lang.Exception e) { |
|
92 throw new java.rmi.UnexpectedException("undeclared checked exception", e); |
|
93 } |
|
94 } |
|
95 |
|
96 // implementation of dirty(ObjID[], long, Lease) |
|
97 public java.rmi.dgc.Lease dirty(java.rmi.server.ObjID[] $param_arrayOf_ObjID_1, long $param_long_2, java.rmi.dgc.Lease $param_Lease_3) |
|
98 throws java.rmi.RemoteException { |
|
99 try { |
|
100 java.rmi.server.RemoteCall call = ref.newCall((java.rmi.server.RemoteObject) this, operations, 1, interfaceHash); |
|
101 try { |
|
102 java.io.ObjectOutput out = call.getOutputStream(); |
|
103 out.writeObject($param_arrayOf_ObjID_1); |
|
104 out.writeLong($param_long_2); |
|
105 out.writeObject($param_Lease_3); |
|
106 } catch (java.io.IOException e) { |
|
107 throw new java.rmi.MarshalException("error marshalling arguments", e); |
|
108 } |
|
109 ref.invoke(call); |
|
110 java.rmi.dgc.Lease $result; |
|
111 Connection connection = ((StreamRemoteCall) call).getConnection(); |
|
112 try { |
|
113 java.io.ObjectInput in = call.getInputStream(); |
|
114 |
|
115 if (in instanceof ObjectInputStream) { |
|
116 /** |
|
117 * Set a filter on the stream for the return value. |
|
118 */ |
|
119 ObjectInputStream ois = (ObjectInputStream) in; |
|
120 AccessController.doPrivileged((PrivilegedAction<Void>)() -> { |
|
121 ois.setObjectInputFilter(DGCImpl_Stub::leaseFilter); |
|
122 return null; |
|
123 }); |
|
124 } |
|
125 $result = (java.rmi.dgc.Lease) in.readObject(); |
|
126 } catch (java.io.IOException | java.lang.ClassNotFoundException e) { |
|
127 if (connection instanceof TCPConnection) { |
|
128 // Modified to prevent re-use of the connection after an exception |
|
129 ((TCPConnection) connection).getChannel().free(connection, false); |
|
130 } |
|
131 throw new java.rmi.UnmarshalException("error unmarshalling return", e); |
|
132 } finally { |
|
133 ref.done(call); |
|
134 } |
|
135 return $result; |
|
136 } catch (java.lang.RuntimeException e) { |
|
137 throw e; |
|
138 } catch (java.rmi.RemoteException e) { |
|
139 throw e; |
|
140 } catch (java.lang.Exception e) { |
|
141 throw new java.rmi.UnexpectedException("undeclared checked exception", e); |
|
142 } |
|
143 } |
|
144 |
|
145 /** |
|
146 * ObjectInputFilter to filter DGCClient return value (a Lease). |
|
147 * The list of acceptable classes is very short and explicit. |
|
148 * The depth and array sizes are limited. |
|
149 * |
|
150 * @param filterInfo access to class, arrayLength, etc. |
|
151 * @return {@link ObjectInputFilter.Status#ALLOWED} if allowed, |
|
152 * {@link ObjectInputFilter.Status#REJECTED} if rejected, |
|
153 * otherwise {@link ObjectInputFilter.Status#UNDECIDED} |
|
154 */ |
|
155 private static ObjectInputFilter.Status leaseFilter(ObjectInputFilter.FilterInfo filterInfo) { |
|
156 |
|
157 if (filterInfo.depth() > DGCCLIENT_MAX_DEPTH) { |
|
158 return ObjectInputFilter.Status.REJECTED; |
|
159 } |
|
160 Class<?> clazz = filterInfo.serialClass(); |
|
161 if (clazz != null) { |
|
162 while (clazz.isArray()) { |
|
163 if (filterInfo.arrayLength() >= 0 && filterInfo.arrayLength() > DGCCLIENT_MAX_ARRAY_SIZE) { |
|
164 return ObjectInputFilter.Status.REJECTED; |
|
165 } |
|
166 // Arrays are allowed depending on the component type |
|
167 clazz = clazz.getComponentType(); |
|
168 } |
|
169 if (clazz.isPrimitive()) { |
|
170 // Arrays of primitives are allowed |
|
171 return ObjectInputFilter.Status.ALLOWED; |
|
172 } |
|
173 return (clazz == UID.class || |
|
174 clazz == VMID.class || |
|
175 clazz == Lease.class) |
|
176 ? ObjectInputFilter.Status.ALLOWED |
|
177 : ObjectInputFilter.Status.REJECTED; |
|
178 } |
|
179 // Not a class, not size limited |
|
180 return ObjectInputFilter.Status.UNDECIDED; |
|
181 } |
|
182 |
|
183 } |