1  /*
2   * Copyright (c) 2005, 2016, 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.
8   *
9   * This code is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12   * version 2 for more details (a copy is included in the LICENSE file that
13   * accompanied this code).
14   *
15   * You should have received a copy of the GNU General Public License version
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17   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18   *
19   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20   * or visit www.oracle.com if you need additional information or have any
21   * questions.
22   */
23 
24  /*
25   * @test
26   * @bug 5083594
27   * @summary Ensure that Naming.java correctly parses host names with '_' in
28   * them.
29   * @author Vinod Johnson
30   *
31   * @library ../testlibrary
32   * @modules java.rmi/sun.rmi.registry
33   *          java.rmi/sun.rmi.server
34   *          java.rmi/sun.rmi.transport
35   *          java.rmi/sun.rmi.transport.tcp
36   * @build TestLibrary UnderscoreHost_Stub
37   * @run main/othervm UnderscoreHost
38  */
39 
40 import java.io.IOException;
41 import java.net.MalformedURLException;
42 import java.net.ServerSocket;
43 import java.net.Socket;
44 import java.rmi.Naming;
45 import java.rmi.Remote;
46 import java.rmi.RemoteException;
47 import java.rmi.registry.LocateRegistry;
48 import java.rmi.registry.Registry;
49 import java.rmi.server.RMISocketFactory;
50 import java.rmi.server.UnicastRemoteObject;
51 
52 public class UnderscoreHost extends UnicastRemoteObject implements Remote {
53     private static final String HOSTNAME = "foo_bar";
54     private static final String NAME = "name";
55     /*
56      * The socket factory captures the host name of the parsed URL, and
57      * then connects to the local host.
58      */
59     private static class HostVerifyingSocketFactory extends RMISocketFactory {
60         String host;
61 
createSocket(String host, int port)62         public synchronized Socket createSocket(String host, int port)
63             throws IOException  {
64             if (this.host == null) {
65                 // Only set it the first time, subsequent DGC dirty calls
66                 // will be local host
67                 this.host = host;
68             }
69             return new Socket("localhost", port);
70         }
createServerSocket(int port)71         public ServerSocket createServerSocket(int port) throws IOException {
72             return new ServerSocket(port);
73         }
74     }
75 
UnderscoreHost()76     public UnderscoreHost() throws RemoteException {};
77 
main(String args[])78     public static void main(String args[]) {
79         UnderscoreHost t = null;
80         try {
81             HostVerifyingSocketFactory hvf = new HostVerifyingSocketFactory();
82             RMISocketFactory.setSocketFactory(hvf);
83             Registry r = TestLibrary.createRegistryOnEphemeralPort();
84             int port = TestLibrary.getRegistryPort(r);
85             t = new UnderscoreHost();
86             r.rebind(NAME, t);
87             Naming.lookup("rmi://" + HOSTNAME +
88                           ":" + port + "/" + NAME);
89             /*
90              * This test is coded to pass whether java.net.URI obeys
91              * RFC 2396 or RFC 3986 (see 5085902, 6394131, etc.).
92              *
93              * If java.net.URI obeys RFC 3986, so host names may
94              * contain underscores, then the Naming.lookup invocation
95              * should succeed-- but the host actually connected to
96              * must equal HOSTNAME.
97              */
98             if (!hvf.host.equals(HOSTNAME)) {
99                 throw new RuntimeException(
100                     "java.rmi.Naming Parsing error:" +
101                     hvf.host + ":" + HOSTNAME);
102             }
103         } catch (MalformedURLException e) {
104             /*
105              * If java.net.URI obeys RFC 2396, so host names must not
106              * contain underscores, then the Naming.lookup invocation
107              * should throw MalformedURLException-- so this is OK.
108              */
109         } catch (IOException ioe) {
110             TestLibrary.bomb(ioe);
111         } catch (java.rmi.NotBoundException nbe) {
112             TestLibrary.bomb(nbe);
113         } finally {
114             TestLibrary.unexport(t);
115         }
116 
117     }
118 }
119