J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005-2006 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 | /* @test |
| 25 | * @bug 6306165 |
| 26 | * @summary Check that a bad handshake doesn't cause a debuggee to abort |
| 27 | * |
| 28 | * @build VMConnection BadHandshakeTest Exit0 |
| 29 | * @run main BadHandshakeTest |
| 30 | * |
| 31 | */ |
| 32 | import java.io.InputStream; |
| 33 | import java.io.IOException; |
| 34 | import java.io.File; |
| 35 | import java.io.BufferedInputStream; |
| 36 | import java.net.ServerSocket; |
| 37 | import java.net.Socket; |
| 38 | import java.net.InetAddress; |
| 39 | import com.sun.jdi.Bootstrap; |
| 40 | import com.sun.jdi.VirtualMachine; |
| 41 | import com.sun.jdi.event.*; |
| 42 | import com.sun.jdi.connect.Connector; |
| 43 | import com.sun.jdi.connect.AttachingConnector; |
| 44 | import java.util.Map; |
| 45 | import java.util.List; |
| 46 | import java.util.Iterator; |
| 47 | |
| 48 | public class BadHandshakeTest { |
| 49 | |
| 50 | static volatile boolean ready = false; |
| 51 | |
| 52 | /* |
| 53 | * Helper class to redirect process output/error |
| 54 | */ |
| 55 | static class IOHandler implements Runnable { |
| 56 | InputStream in; |
| 57 | |
| 58 | IOHandler(InputStream in) { |
| 59 | this.in = in; |
| 60 | } |
| 61 | |
| 62 | static void handle(InputStream in) { |
| 63 | IOHandler handler = new IOHandler(in); |
| 64 | Thread thr = new Thread(handler); |
| 65 | thr.setDaemon(true); |
| 66 | thr.start(); |
| 67 | } |
| 68 | |
| 69 | public void run() { |
| 70 | try { |
| 71 | byte b[] = new byte[100]; |
| 72 | for (;;) { |
| 73 | int n = in.read(b, 0, 100); |
| 74 | // The first thing that will get read is |
| 75 | // Listening for transport dt_socket at address: xxxxx |
| 76 | // which shows the debuggee is ready to accept connections. |
| 77 | ready = true; |
| 78 | if (n < 0) { |
| 79 | break; |
| 80 | } |
| 81 | String s = new String(b, 0, n, "UTF-8"); |
| 82 | System.out.print(s); |
| 83 | } |
| 84 | } catch (IOException ioe) { |
| 85 | ioe.printStackTrace(); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | } |
| 90 | |
| 91 | /* |
| 92 | * Find a connector by name |
| 93 | */ |
| 94 | private static Connector findConnector(String name) { |
| 95 | List connectors = Bootstrap.virtualMachineManager().allConnectors(); |
| 96 | Iterator iter = connectors.iterator(); |
| 97 | while (iter.hasNext()) { |
| 98 | Connector connector = (Connector)iter.next(); |
| 99 | if (connector.name().equals(name)) { |
| 100 | return connector; |
| 101 | } |
| 102 | } |
| 103 | return null; |
| 104 | } |
| 105 | |
| 106 | /* |
| 107 | * Launch a server debuggee with the given address |
| 108 | */ |
| 109 | private static Process launch(String address, String class_name) throws IOException { |
| 110 | String exe = System.getProperty("java.home") |
| 111 | + File.separator + "bin" + File.separator; |
| 112 | String arch = System.getProperty("os.arch"); |
| 113 | if (arch.equals("sparcv9")) { |
| 114 | exe += "sparcv9/java"; |
| 115 | } else { |
| 116 | exe += "java"; |
| 117 | } |
| 118 | String cmd = exe + " " + VMConnection.getDebuggeeVMOptions() + |
| 119 | " -agentlib:jdwp=transport=dt_socket" + |
| 120 | ",server=y" + ",suspend=y" + ",address=" + address + |
| 121 | " " + class_name; |
| 122 | |
| 123 | System.out.println("Starting: " + cmd); |
| 124 | |
| 125 | Process p = Runtime.getRuntime().exec(cmd); |
| 126 | |
| 127 | IOHandler.handle(p.getInputStream()); |
| 128 | IOHandler.handle(p.getErrorStream()); |
| 129 | |
| 130 | return p; |
| 131 | } |
| 132 | |
| 133 | /* |
| 134 | * - pick a TCP port |
| 135 | * - Launch a server debuggee: server=y,suspend=y,address=${port} |
| 136 | * - run it to VM death |
| 137 | * - verify we saw no error |
| 138 | */ |
| 139 | public static void main(String args[]) throws Exception { |
| 140 | // find a free port |
| 141 | ServerSocket ss = new ServerSocket(0); |
| 142 | int port = ss.getLocalPort(); |
| 143 | ss.close(); |
| 144 | |
| 145 | String address = String.valueOf(port); |
| 146 | |
| 147 | // launch the server debuggee |
| 148 | Process process = launch(address, "Exit0"); |
| 149 | |
| 150 | // wait for the debugge to be ready |
| 151 | while (!ready) { |
| 152 | try { |
| 153 | Thread.sleep(1000); |
| 154 | } catch(Exception ee) { |
| 155 | throw ee; |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | // Connect to the debuggee and handshake with garbage |
| 160 | Socket s = new Socket(InetAddress.getLocalHost(), port); |
| 161 | s.getOutputStream().write("Here's a poke in the eye".getBytes("UTF-8")); |
| 162 | s.close(); |
| 163 | |
| 164 | // Re-connect and to a partial handshake - don't disconnect |
| 165 | s = new Socket(InetAddress.getLocalHost(), port); |
| 166 | s.getOutputStream().write("JDWP-".getBytes("UTF-8")); |
| 167 | |
| 168 | |
| 169 | // attach to server debuggee and resume it so it can exit |
| 170 | AttachingConnector conn = (AttachingConnector)findConnector("com.sun.jdi.SocketAttach"); |
| 171 | Map conn_args = conn.defaultArguments(); |
| 172 | Connector.IntegerArgument port_arg = |
| 173 | (Connector.IntegerArgument)conn_args.get("port"); |
| 174 | port_arg.setValue(port); |
| 175 | VirtualMachine vm = conn.attach(conn_args); |
| 176 | |
| 177 | // The first event is always a VMStartEvent, and it is always in |
| 178 | // an EventSet by itself. Wait for it. |
| 179 | EventSet evtSet = vm.eventQueue().remove(); |
| 180 | for (Event event: evtSet) { |
| 181 | if (event instanceof VMStartEvent) { |
| 182 | break; |
| 183 | } |
| 184 | throw new RuntimeException("Test failed - debuggee did not start properly"); |
| 185 | } |
| 186 | |
| 187 | vm.eventRequestManager().deleteAllBreakpoints(); |
| 188 | vm.resume(); |
| 189 | |
| 190 | process.waitFor(); |
| 191 | } |
| 192 | |
| 193 | } |