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/*
* Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 4115683
* @summary Endpoint hostnames should always be fully qualified or
* should be an ip address. When references to remote
* objects are passed outside of the local domain their
* endpoints may contain hostnames that are not fully
* qualified. Hence remote clients won't be able to contact
* the referenced remote obect.
*
* @author Laird Dornin
*
* @library ../../testlibrary
* @modules java.rmi/sun.rmi.registry
* java.rmi/sun.rmi.server
* java.rmi/sun.rmi.transport
* java.rmi/sun.rmi.transport.tcp
* @build TestLibrary CheckFQDNClient CheckFQDN_Stub TellServerName
* @run main/othervm/timeout=120 CheckFQDN
*/
/**
* Get the hostname used by rmi using different rmi properities:
*
* if set java.rmi.server.hostname, hostname should equal this
* property.
*
* if set java.rmi.server.useLocalHostname, hostname must contain a '.'
*
* if set no properties hostname should be an ipaddress.
*
* if set java.rmi.server.hostname, hostname should equal this
* property even if set java.rmi.server.useLocalHostname is true.
*
*/
import java.rmi.*;
import java.rmi.registry.*;
import java.rmi.server.*;
import java.io.*;
/**
* Export a remote object through which the exec'ed client vm can
* inform the main test what its host name is.
*/
public class CheckFQDN extends UnicastRemoteObject
implements TellServerName {
public static int REGISTRY_PORT =-1;
static String propertyBeingTested = null;
static String propertyBeingTestedValue = null;
public static void main(String args[]) {
Object dummy = new Object();
CheckFQDN checkFQDN = null;
try {
checkFQDN = new CheckFQDN();
System.err.println
("\nRegression test for bug/rfe 4115683\n");
Registry registry = TestLibrary.createRegistryOnEphemeralPort();
REGISTRY_PORT = TestLibrary.getRegistryPort(registry);
registry.bind("CheckFQDN", checkFQDN);
/* test the host name scheme in different environments.*/
testProperty("java.rmi.server.useLocalHostname", "true", "");
testProperty("java.rmi.server.hostname", "thisIsJustAnRMITest", "");
testProperty("java.rmi.server.hostname", "thisIsJustAnRMITest",
" -Djava.rmi.server.useLocalHostname=true ");
testProperty("", "", "");
} catch (Exception e) {
TestLibrary.bomb(e);
} finally {
if (checkFQDN != null) {
TestLibrary.unexport(checkFQDN);
}
}
System.err.println("\nTest for bug/ref 4115683 passed.\n");
}
/**
* Spawn a vm and feed it a property which sets the client's rmi
* hostname.
*/
public static void testProperty(String property,
String propertyValue,
String extraProp)
{
JavaVM jvm = null;
try {
String propOption = "";
String equal = "";
if (!property.equals("")) {
propOption = " -D";
equal = "=";
}
// create a client to tell checkFQDN what its rmi name is.
jvm = new JavaVM("CheckFQDNClient",
propOption + property +
equal +
propertyValue + extraProp +
" --add-exports=java.rmi/sun.rmi.registry=ALL-UNNAMED" +
" --add-exports=java.rmi/sun.rmi.server=ALL-UNNAMED" +
" --add-exports=java.rmi/sun.rmi.transport=ALL-UNNAMED" +
" --add-exports=java.rmi/sun.rmi.transport.tcp=ALL-UNNAMED" +
" -Drmi.registry.port=" +
REGISTRY_PORT,
"");
propertyBeingTested=property;
propertyBeingTestedValue=propertyValue;
if (jvm.execute() != 0) {
TestLibrary.bomb("Test failed, error in client.");
}
} catch (Exception e) {
TestLibrary.bomb(e);
} finally {
if (jvm != null) {
jvm.destroy();
}
}
}
CheckFQDN() throws RemoteException { }
/**
* Remote method to allow client vm to tell the main test what its
* host name is .
*/
public void tellServerName(String serverName)
throws RemoteException {
if (propertyBeingTested.equals("java.rmi.server.hostname")) {
if ( !propertyBeingTestedValue.equals(serverName)) {
TestLibrary.bomb(propertyBeingTested +
":\n Client rmi server name does " +
"not equal the one specified " +
"by java.rmi.server.hostname: " +
serverName +" != " +
propertyBeingTestedValue);
}
/** use local host name, must contain a '.' */
} else if (propertyBeingTested.equals
("java.rmi.server.useLocalHostname")) {
if (serverName.indexOf('.') < 0) {
TestLibrary.bomb(propertyBeingTested +
":\nThe client servername contains no '.'");
}
} else {
// no propety set, must be ip address
if ((serverName.indexOf('.') < 0) ||
(!Character.isDigit(serverName.charAt(0)))) {
TestLibrary.bomb("Default name scheme:\n"+
" The client servername contains no '.'"+
"or is not an ip address");
}
}
System.err.println("Servername used: " + serverName);
}
}
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