J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * |
| 27 | * @bug 4204320 |
| 28 | * |
| 29 | * @summary DatagramSocket.send should throw exception when connected |
| 30 | * to an invalid destination (on platforms that support it). |
| 31 | */ |
| 32 | |
| 33 | import java.net.*; |
| 34 | import java.util.*; |
| 35 | import java.io.InterruptedIOException; |
| 36 | |
| 37 | public class SendDatagramToBadAddress { |
| 38 | |
| 39 | static boolean debug = false; |
| 40 | |
| 41 | public static boolean OSsupportsFeature () { |
| 42 | Properties p = System.getProperties (); |
| 43 | String v; |
| 44 | if (p.getProperty ("os.name").equals ("Windows 2000")) |
| 45 | return (true); |
| 46 | if (p.getProperty ("os.name").equals ("Linux")) |
| 47 | return (true); |
| 48 | // Check for specific Solaris version from here |
| 49 | v = p.getProperty ("os.arch"); |
| 50 | if (!v.equalsIgnoreCase ("sparc")) |
| 51 | return (false); |
| 52 | v = p.getProperty ("os.name"); |
| 53 | if (!v.equalsIgnoreCase ("Solaris") && !v.equalsIgnoreCase ("SunOS")) |
| 54 | return (false); |
| 55 | v = p.getProperty ("os.version"); |
| 56 | if (v.equals ("5.8") || v.equals ("8")) |
| 57 | return (false); |
| 58 | return (true); |
| 59 | } |
| 60 | |
| 61 | static void print (String s) { |
| 62 | if (debug) |
| 63 | System.out.println (s); |
| 64 | } |
| 65 | |
| 66 | class Server { |
| 67 | |
| 68 | DatagramSocket server; |
| 69 | byte[] buf = new byte [128]; |
| 70 | DatagramPacket pack = new DatagramPacket (buf, buf.length); |
| 71 | |
| 72 | public Server (DatagramSocket s) { |
| 73 | server = s; |
| 74 | } |
| 75 | |
| 76 | public void receive (int loop, boolean expectError) throws Exception { |
| 77 | for (int i=0; i<loop; i++) { |
| 78 | try { |
| 79 | server.receive (pack); |
| 80 | } catch (Exception e) { |
| 81 | if (expectError) { |
| 82 | print ("Got expected error: " + e); |
| 83 | continue; |
| 84 | } else { |
| 85 | print ("Got: " + new String (pack.getData())); |
| 86 | print ("Expected: " + new String (buf)); |
| 87 | throw new Exception ("Error reading data: Iter " +i); |
| 88 | } |
| 89 | } |
| 90 | String s1 = "Hello, server"+i; |
| 91 | byte[] buf = s1.getBytes(); |
| 92 | if (!s1.equals (new String (pack.getData(), |
| 93 | pack.getOffset(),pack.getLength()))) { |
| 94 | print ("Got: " + new String (pack.getData())); |
| 95 | print ("Expected: " + new String (buf)); |
| 96 | throw new Exception ("Error comparing data: Iter " +i); |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | }; |
| 101 | |
| 102 | public static void main (String args[]) throws Exception { |
| 103 | if (args.length >=1 && args[0].equals ("-d")) { |
| 104 | debug = true; |
| 105 | } |
| 106 | SendDatagramToBadAddress ud = new SendDatagramToBadAddress (); |
| 107 | ud.run (); |
| 108 | } |
| 109 | |
| 110 | public void run() throws Exception { |
| 111 | |
| 112 | if (OSsupportsFeature()) { |
| 113 | print ("running on OS that supports ICMP port unreachable"); |
| 114 | } |
| 115 | String host = "127.0.0.1"; |
| 116 | InetAddress addr = InetAddress.getByName(host); |
| 117 | DatagramSocket sock = new DatagramSocket(); |
| 118 | DatagramSocket serversock = new DatagramSocket(0); |
| 119 | DatagramPacket p; |
| 120 | byte[] buf; |
| 121 | int port = serversock.getLocalPort (); |
| 122 | final int loop = 5; |
| 123 | Server s = new Server (serversock); |
| 124 | int i; |
| 125 | |
| 126 | print ("Checking send to connected address ..."); |
| 127 | sock.connect(addr, port); |
| 128 | |
| 129 | for (i = 0; i < loop; i++) { |
| 130 | try { |
| 131 | buf = ("Hello, server"+i).getBytes(); |
| 132 | if (i % 2 == 1) |
| 133 | p = new DatagramPacket(buf, buf.length, addr, port); |
| 134 | else |
| 135 | p = new DatagramPacket(buf, buf.length); |
| 136 | sock.send(p); |
| 137 | } catch (Exception ex) { |
| 138 | print ("Got unexpected exception: " + ex); |
| 139 | throw new Exception ("Error sending data: "); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | s.receive (loop, false); |
| 144 | |
| 145 | // check disconnect() works |
| 146 | |
| 147 | print ("Checking send to non-connected address ..."); |
| 148 | sock.disconnect (); |
| 149 | buf = ("Hello, server"+0).getBytes(); |
| 150 | p = new DatagramPacket(buf, buf.length, addr, port); |
| 151 | sock.send (p); |
| 152 | s.receive (1, false); |
| 153 | |
| 154 | // check send() to invalid destination followed by a blocking receive |
| 155 | // returns an error |
| 156 | |
| 157 | print ("Checking send to invalid address ..."); |
| 158 | sock.connect(addr, port); |
| 159 | serversock.close (); |
| 160 | try { |
| 161 | sock.setSoTimeout (4000); |
| 162 | } catch (Exception e) { |
| 163 | print ("could not set timeout"); |
| 164 | throw e; |
| 165 | } |
| 166 | |
| 167 | boolean goterror = false; |
| 168 | |
| 169 | for (i = 0; i < loop; i++) { |
| 170 | try { |
| 171 | buf = ("Hello, server"+i).getBytes(); |
| 172 | p = new DatagramPacket(buf, buf.length, addr, port); |
| 173 | sock.send(p); |
| 174 | p = new DatagramPacket(buf, buf.length, addr, port); |
| 175 | sock.receive (p); |
| 176 | } catch (InterruptedIOException ex) { |
| 177 | print ("socket timeout"); |
| 178 | } catch (Exception ex) { |
| 179 | print ("Got expected exception: " + ex); |
| 180 | goterror = true; |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | if (!goterror && OSsupportsFeature ()) { |
| 185 | print ("Didnt get expected exception: "); |
| 186 | throw new Exception ("send did not return expected error"); |
| 187 | } |
| 188 | } |
| 189 | } |