java.rmi.AlreadyBoundException Java Examples

@Override
public void run() {
    //напишите тут ваш код
    try {
        //создание объекта для удаленного доступа
        final Animal cat = new Cat("Barsik");
        final Animal dog = new Dog("Palkan");

        //создание реестра расшареных объетов
        registry = LocateRegistry.createRegistry(2099);

        //создание "заглушки" – приемника удаленных вызовов
        Remote stubCat = UnicastRemoteObject.exportObject(cat, 0);
        Remote stubDog = UnicastRemoteObject.exportObject(dog, 0);

        //регистрация "заглушки" в реесте
        registry.bind(BINDING_NAME1, stubCat);
        registry.bind(BINDING_NAME2, stubDog);

    } catch (RemoteException | AlreadyBoundException e) {
        e.printStackTrace();
    }
}
 

/**
 * Create several nodes on the same JVMProcess
 */
public static List<TestNode> createNodes(final String nodeName, int number)
        throws IOException, NodeException, ExecutionException, InterruptedException, AlreadyBoundException {
    if (number == 0) {
        throw new IllegalArgumentException("" + number);
    }

    ArrayList<TestNode> nodes = new ArrayList<>(number);
    // Start the JVMProcess and create the first node
    TestNode node0 = createNode(nodeName + 0, findFreePort());
    nodes.add(0, node0);

    // create all subsequent nodes remotely
    for (int i = 1; i < number; i++) {
        Node nodei = node0.getNode().getProActiveRuntime().createLocalNode(nodeName + i, false, null);
        nodes.add(new TestNode(node0.getNodeProcess(), nodei));
    }

    return nodes;
}
 

/**
 * @param args [0]:绑定端口
 * @throws RemoteException 
 */
public static void main(String[] args) throws RemoteException {
    int port = Integer.parseInt(args[0]);
    UserService userService = new UserServiceImpl();
    Registry registry = createRegistry(port);
    if (null == registry) {
        System.exit(0);
    }
    
    String bindName = "UserService";
    try {
        registry.bind(bindName, userService);
    } catch (AlreadyBoundException e) {
        _logger.info("服务{}已经绑定过", bindName);
    }
    
    _logger.info("RMI Server started, listen port:{}", port);
}
 

public void bind(String name, Remote obj)
    throws RemoteException, AlreadyBoundException, AccessException
{
    if (name.equals(NAME)) {
        throw new AccessException(
            "binding ActivationSystem is disallowed");
    } else {
        RegistryImpl.checkAccess("ActivationSystem.bind");
        super.bind(name, obj);
    }
}
 

@Test(dataProvider="bindData")
public void simpleBind(String name, Remote obj, boolean blacklisted) throws RemoteException, AlreadyBoundException, NotBoundException {
    try {
        registry.bind(name, obj);
        Assert.assertFalse(blacklisted, "Registry filter did not reject (but should have) ");
        registry.unbind(name);
    } catch (Exception rex) {
        Assert.assertTrue(blacklisted, "Registry filter should not have rejected");
    }
}
 

@Test
public void simpleRejectableClass() throws RemoteException, AlreadyBoundException, NotBoundException {
    RejectableClass r1 = null;
    try {
        String name = "reject1";
        r1 = new RejectableClass();
        registry.bind(name, r1);
        registry.unbind(name);
        Assert.assertNull(registryFilter, "Registry filter should have rejected");
    } catch (Exception rex) {
        Assert.assertNotNull(registryFilter, "Registry filter should not have rejected");
    }
}
 

@Test
public void simpleDepthBuiltinNonRejectable() throws RemoteException, AlreadyBoundException, NotBoundException {
    int depthOverride = Integer.getInteger("test.maxdepth", REGISTRY_MAX_DEPTH);
    depthOverride = Math.min(depthOverride, REGISTRY_MAX_DEPTH);
    System.out.printf("overrideDepth: %d, filter: %s%n", depthOverride, registryFilter);
    try {
        String name = "reject2";
        DepthRejectableClass r1 = DepthRejectableClass.create(depthOverride);
        registry.bind(name, r1);
        registry.unbind(name);
    } catch (Exception rex) {
        Assert.fail("Registry filter should not have rejected depth: "
                        + depthOverride);
    }
}
 

@Test
public void simpleDepthRejectable() throws RemoteException, AlreadyBoundException, NotBoundException {
    int depthOverride = Integer.getInteger("test.maxdepth", REGISTRY_MAX_DEPTH);
    depthOverride = Math.min(depthOverride, REGISTRY_MAX_DEPTH);
    System.out.printf("overrideDepth: %d, filter: %s%n", depthOverride, registryFilter);
    try {
        String name = "reject3";
        DepthRejectableClass r1 = DepthRejectableClass.create(depthOverride + 1);
        registry.bind(name, r1);
        Assert.fail("Registry filter should have rejected depth: " + depthOverride + 1);
    } catch (Exception rex) {
        // Rejection expected
    }
}
 

public void bind(String name, Remote obj)
    throws RemoteException, AlreadyBoundException, AccessException
{
    if (name.equals(NAME)) {
        throw new AccessException(
            "binding ActivationSystem is disallowed");
    } else {
        RegistryImpl.checkAccess("ActivationSystem.bind");
        super.bind(name, obj);
    }
}
 

@Test(dataProvider="bindData")
public void simpleBind(String name, Remote obj, boolean blacklisted) throws RemoteException, AlreadyBoundException, NotBoundException {
    try {
        registry.bind(name, obj);
        Assert.assertFalse(blacklisted, "Registry filter did not reject (but should have) ");
        registry.unbind(name);
    } catch (Exception rex) {
        Assert.assertTrue(blacklisted, "Registry filter should not have rejected");
    }
}
 

@Test
public void simpleRejectableClass() throws RemoteException, AlreadyBoundException, NotBoundException {
    RejectableClass r1 = null;
    try {
        String name = "reject1";
        r1 = new RejectableClass();
        registry.bind(name, r1);
        registry.unbind(name);
        Assert.assertNull(registryFilter, "Registry filter should have rejected");
    } catch (Exception rex) {
        Assert.assertNotNull(registryFilter, "Registry filter should not have rejected");
    }
}
 

@Test
public void simpleDepthBuiltinNonRejectable() throws RemoteException, AlreadyBoundException, NotBoundException {
    int depthOverride = Integer.getInteger("test.maxdepth", REGISTRY_MAX_DEPTH);
    depthOverride = Math.min(depthOverride, REGISTRY_MAX_DEPTH);
    System.out.printf("overrideDepth: %d, filter: %s%n", depthOverride, registryFilter);
    try {
        String name = "reject2";
        DepthRejectableClass r1 = DepthRejectableClass.create(depthOverride);
        registry.bind(name, r1);
        registry.unbind(name);
    } catch (Exception rex) {
        Assert.fail("Registry filter should not have rejected depth: "
                        + depthOverride);
    }
}
 

@Test
public void simpleDepthRejectable() throws RemoteException, AlreadyBoundException, NotBoundException {
    int depthOverride = Integer.getInteger("test.maxdepth", REGISTRY_MAX_DEPTH);
    depthOverride = Math.min(depthOverride, REGISTRY_MAX_DEPTH);
    System.out.printf("overrideDepth: %d, filter: %s%n", depthOverride, registryFilter);
    try {
        String name = "reject3";
        DepthRejectableClass r1 = DepthRejectableClass.create(depthOverride + 1);
        registry.bind(name, r1);
        Assert.fail("Registry filter should have rejected depth: " + depthOverride + 1);
    } catch (Exception rex) {
        // Rejection expected
    }
}
 

public void bind(String name, Remote obj)
    throws RemoteException, AlreadyBoundException, AccessException
{
    if (name.equals(NAME)) {
        throw new AccessException(
            "binding ActivationSystem is disallowed");
    } else {
        super.bind(name, obj);
    }
}
 

public void bind(String name, Remote obj)
    throws RemoteException, AlreadyBoundException, AccessException
{
    if (name.equals(NAME)) {
        throw new AccessException(
            "binding ActivationSystem is disallowed");
    } else {
        RegistryImpl.checkAccess("ActivationSystem.bind");
        super.bind(name, obj);
    }
}
 

@Test(dataProvider="bindData")
public void simpleBind(String name, Remote obj, boolean blacklisted) throws RemoteException, AlreadyBoundException, NotBoundException {
    try {
        registry.bind(name, obj);
        Assert.assertFalse(blacklisted, "Registry filter did not reject (but should have) ");
        registry.unbind(name);
    } catch (Exception rex) {
        Assert.assertTrue(blacklisted, "Registry filter should not have rejected");
    }
}
 

@Test
public void simpleRejectableClass() throws RemoteException, AlreadyBoundException, NotBoundException {
    RejectableClass r1 = null;
    try {
        String name = "reject1";
        r1 = new RejectableClass();
        registry.bind(name, r1);
        registry.unbind(name);
        Assert.assertNull(registryFilter, "Registry filter should have rejected");
    } catch (Exception rex) {
        Assert.assertNotNull(registryFilter, "Registry filter should not have rejected");
    }
}
 

@Test
public void simpleDepthBuiltinNonRejectable() throws RemoteException, AlreadyBoundException, NotBoundException {
    int depthOverride = Integer.getInteger("test.maxdepth", REGISTRY_MAX_DEPTH);
    depthOverride = Math.min(depthOverride, REGISTRY_MAX_DEPTH);
    System.out.printf("overrideDepth: %d, filter: %s%n", depthOverride, registryFilter);
    try {
        String name = "reject2";
        DepthRejectableClass r1 = DepthRejectableClass.create(depthOverride);
        registry.bind(name, r1);
        registry.unbind(name);
    } catch (Exception rex) {
        Assert.fail("Registry filter should not have rejected depth: "
                        + depthOverride);
    }
}
 

@Test
public void simpleDepthRejectable() throws RemoteException, AlreadyBoundException, NotBoundException {
    int depthOverride = Integer.getInteger("test.maxdepth", REGISTRY_MAX_DEPTH);
    depthOverride = Math.min(depthOverride, REGISTRY_MAX_DEPTH);
    System.out.printf("overrideDepth: %d, filter: %s%n", depthOverride, registryFilter);
    try {
        String name = "reject3";
        DepthRejectableClass r1 = DepthRejectableClass.create(depthOverride + 1);
        registry.bind(name, r1);
        Assert.fail("Registry filter should have rejected depth: " + depthOverride + 1);
    } catch (Exception rex) {
        // Rejection expected
    }
}
 

/*******************
 * Check if the given endpoint can be attacked.
 * 
 * This check is performed by executing a dummy attack against the
 * endpoint and observing the resulting exception.
 * 
 * @param ep An enumerated RMI endpoint.
 * @return True if we can attack it.
 ******************/
public boolean canAttackEndpoint(RMIEndpoint ep) {
	RMIBindExploitProxy proxy = null;
	Registry reg;
	
	//Execute a dummy attack
	try {
		//Start a bind exploit proxy
		proxy = new RMIBindExploitProxy(InetAddress.getByName(ep.getEndpoint().getHost()), ep.getEndpoint().getPort(), this._options, this._dummyPayload);
		proxy.startProxy();
		
		//Get a proxied RMI registry reference
		reg = LocateRegistry.getRegistry(proxy.getServerListenAddress().getHostAddress(), proxy.getServerListenPort());
		
		//Bind a dummy object in an attempt to trigger the vulnerability
		reg.bind(this.generateRandomString(), new BaRMIeBindExploit());
	} catch(BaRMIeException | UnknownHostException | RemoteException | AlreadyBoundException ex) {
		//An up to date RMI registry will, by default, reject the dummy object
		if(ex instanceof ServerException && ex.getCause() != null && ex.getCause() instanceof UnmarshalException && ex.getCause().getCause() != null && ex.getCause().getCause() instanceof InvalidClassException) {
			//Check for "filter status: REJECTED"
			if(ex.getCause().getCause().toString().contains("filter status: REJECTED")) {
				//Test payload was filtered, likely this attack isn't possible
				return false;
			}
		}
	} finally {
		//Stop the proxy
		if(proxy != null) {
			proxy.stopProxy(true);
		}
	}
	
	//In all other cases we should be able to attack the registry
	return true;
}
 

public void bind(String name, Remote obj)
    throws RemoteException, AlreadyBoundException, AccessException
{
    if (name.equals(NAME)) {
        throw new AccessException(
            "binding ActivationSystem is disallowed");
    } else {
        RegistryImpl.checkAccess("ActivationSystem.bind");
        super.bind(name, obj);
    }
}
 

@Test(dataProvider="bindData")
public void simpleBind(String name, Remote obj, boolean blacklisted) throws RemoteException, AlreadyBoundException, NotBoundException {
    try {
        registry.bind(name, obj);
        Assert.assertFalse(blacklisted, "Registry filter did not reject (but should have) ");
        registry.unbind(name);
    } catch (Exception rex) {
        Assert.assertTrue(blacklisted, "Registry filter should not have rejected");
    }
}
 

@Test
public void simpleRejectableClass() throws RemoteException, AlreadyBoundException, NotBoundException {
    RejectableClass r1 = null;
    try {
        String name = "reject1";
        r1 = new RejectableClass();
        registry.bind(name, r1);
        registry.unbind(name);
        Assert.assertNull(registryFilter, "Registry filter should have rejected");
    } catch (Exception rex) {
        Assert.assertNotNull(registryFilter, "Registry filter should not have rejected");
    }
}
 

@Test
public void simpleDepthBuiltinNonRejectable() throws RemoteException, AlreadyBoundException, NotBoundException {
    int depthOverride = Integer.getInteger("test.maxdepth", REGISTRY_MAX_DEPTH);
    depthOverride = Math.min(depthOverride, REGISTRY_MAX_DEPTH);
    System.out.printf("overrideDepth: %d, filter: %s%n", depthOverride, registryFilter);
    try {
        String name = "reject2";
        DepthRejectableClass r1 = DepthRejectableClass.create(depthOverride);
        registry.bind(name, r1);
        registry.unbind(name);
    } catch (Exception rex) {
        Assert.fail("Registry filter should not have rejected depth: "
                        + depthOverride);
    }
}
 

@Test
public void simpleDepthRejectable() throws RemoteException, AlreadyBoundException, NotBoundException {
    int depthOverride = Integer.getInteger("test.maxdepth", REGISTRY_MAX_DEPTH);
    depthOverride = Math.min(depthOverride, REGISTRY_MAX_DEPTH);
    System.out.printf("overrideDepth: %d, filter: %s%n", depthOverride, registryFilter);
    try {
        String name = "reject3";
        DepthRejectableClass r1 = DepthRejectableClass.create(depthOverride + 1);
        registry.bind(name, r1);
        Assert.fail("Registry filter should have rejected depth: " + depthOverride + 1);
    } catch (Exception rex) {
        // Rejection expected
    }
}
 

public void bind(String name, Remote obj)
    throws RemoteException, AlreadyBoundException, AccessException
{
    if (name.equals(NAME)) {
        throw new AccessException(
            "binding ActivationSystem is disallowed");
    } else {
        RegistryImpl.checkAccess("ActivationSystem.bind");
        super.bind(name, obj);
    }
}
 

@Test(dataProvider="bindData")
public void simpleBind(String name, Remote obj, boolean blacklisted) throws RemoteException, AlreadyBoundException, NotBoundException {
    try {
        registry.bind(name, obj);
        Assert.assertFalse(blacklisted, "Registry filter did not reject (but should have) ");
        registry.unbind(name);
    } catch (Exception rex) {
        Assert.assertTrue(blacklisted, "Registry filter should not have rejected");
    }
}
 

@Test
public void simpleRejectableClass() throws RemoteException, AlreadyBoundException, NotBoundException {
    RejectableClass r1 = null;
    try {
        String name = "reject1";
        r1 = new RejectableClass();
        registry.bind(name, r1);
        registry.unbind(name);
        Assert.assertNull(registryFilter, "Registry filter should have rejected");
    } catch (Exception rex) {
        Assert.assertNotNull(registryFilter, "Registry filter should not have rejected");
    }
}
 

@Test
public void simpleDepthBuiltinNonRejectable() throws RemoteException, AlreadyBoundException, NotBoundException {
    int depthOverride = Integer.getInteger("test.maxdepth", REGISTRY_MAX_DEPTH);
    depthOverride = Math.min(depthOverride, REGISTRY_MAX_DEPTH);
    System.out.printf("overrideDepth: %d, filter: %s%n", depthOverride, registryFilter);
    try {
        String name = "reject2";
        DepthRejectableClass r1 = DepthRejectableClass.create(depthOverride);
        registry.bind(name, r1);
        registry.unbind(name);
    } catch (Exception rex) {
        Assert.fail("Registry filter should not have rejected depth: "
                        + depthOverride);
    }
}
 

@Test
public void simpleDepthRejectable() throws RemoteException, AlreadyBoundException, NotBoundException {
    int depthOverride = Integer.getInteger("test.maxdepth", REGISTRY_MAX_DEPTH);
    depthOverride = Math.min(depthOverride, REGISTRY_MAX_DEPTH);
    System.out.printf("overrideDepth: %d, filter: %s%n", depthOverride, registryFilter);
    try {
        String name = "reject3";
        DepthRejectableClass r1 = DepthRejectableClass.create(depthOverride + 1);
        registry.bind(name, r1);
        Assert.fail("Registry filter should have rejected depth: " + depthOverride + 1);
    } catch (Exception rex) {
        // Rejection expected
    }
}