1 /* 2 * Copyright (c) 2011, 2020, 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 16 * 2 along with this work; if not, write to the Free Software Foundation, 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 6997561 27 * @summary A request for better error handling in JNDI 28 */ 29 30 import java.net.Socket; 31 import java.net.ServerSocket; 32 import java.io.*; 33 import javax.naming.*; 34 import javax.naming.directory.*; 35 import javax.naming.ldap.*; 36 import java.util.Collections; 37 import java.util.Hashtable; 38 39 public class EmptyNameSearch { 40 41 public static void main(String[] args) throws Exception { 42 43 // Start the LDAP server 44 Server s = new Server(); 45 s.start(); 46 Thread.sleep(3000); 47 48 // Setup JNDI parameters 49 Hashtable<Object, Object> env = new Hashtable<>(); 50 env.put(Context.INITIAL_CONTEXT_FACTORY, 51 "com.sun.jndi.ldap.LdapCtxFactory"); 52 env.put(Context.PROVIDER_URL, "ldap://localhost:" + s.getPortNumber()); 53 54 try { 55 56 // Create initial context 57 System.out.println("Client: connecting..."); 58 DirContext ctx = new InitialDirContext(env); 59 60 System.out.println("Client: performing search..."); 61 ctx.search(new LdapName(Collections.emptyList()), "cn=*", null); 62 ctx.close(); 63 64 // Exit 65 throw new RuntimeException(); 66 67 } catch (NamingException e) { 68 System.err.println("Passed: caught the expected Exception - " + e); 69 70 } catch (Exception e) { 71 System.err.println("Failed: caught an unexpected Exception - " + e); 72 throw e; 73 } 74 } 75 76 static class Server extends Thread { 77 78 private int serverPort = 0; 79 private byte[] bindResponse = { 80 0x30, 0x0C, 0x02, 0x01, 0x01, 0x61, 0x07, 0x0A, 81 0x01, 0x00, 0x04, 0x00, 0x04, 0x00 82 }; 83 private byte[] searchResponse = { 84 0x30, 0x0C, 0x02, 0x01, 0x02, 0x65, 0x07, 0x0A, 85 0x01, 0x02, 0x04, 0x00, 0x04, 0x00 86 }; 87 88 Server() { 89 } 90 91 public int getPortNumber() { 92 return serverPort; 93 } 94 95 public void run() { 96 try { 97 ServerSocket serverSock = new ServerSocket(0); 98 serverPort = serverSock.getLocalPort(); 99 System.out.println("Server: listening on port " + serverPort); 100 101 Socket socket = serverSock.accept(); 102 System.out.println("Server: connection accepted"); 103 104 InputStream in = socket.getInputStream(); 105 OutputStream out = socket.getOutputStream(); 106 107 // Read the LDAP BindRequest 108 System.out.println("Server: reading request..."); 109 while (in.read() != -1) { 110 in.skip(in.available()); 111 break; 112 } 113 114 // Write an LDAP BindResponse 115 System.out.println("Server: writing response..."); 116 out.write(bindResponse); 117 out.flush(); 118 119 // Read the LDAP SearchRequest 120 System.out.println("Server: reading request..."); 121 while (in.read() != -1) { 122 in.skip(in.available()); 123 break; 124 } 125 126 // Write an LDAP SearchResponse 127 System.out.println("Server: writing response..."); 128 out.write(searchResponse); 129 out.flush(); 130 131 in.close(); 132 out.close(); 133 socket.close(); 134 serverSock.close(); 135 136 } catch (IOException e) { 137 // ignore 138 } 139 } 140 } 141 }