| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /*** |
| * Java TelnetD library (embeddable telnet daemon) |
| * Copyright (c) 2000-2005 Dieter Wimberger |
| * All rights reserved. |
| * <p/> |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * <p/> |
| * Neither the name of the author nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * <p/> |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS |
| * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| ***/ |
| |
| package org.apache.felix.gogo.jline.telnet; |
| |
| import java.net.InetAddress; |
| |
| /** |
| * Interface defining a generic IP level connection |
| * filter.<br> |
| * Due to the fact that this task depends heavily on |
| * application context, I chose a very generic way |
| * of applying IP level connection filtering. |
| * <br><br> |
| * Implementations should consider following issues: |
| * <ul> |
| * <li>performance |
| * <li>administration (maybe via an admin shell) |
| * <li>logging denials |
| * </ul> |
| * |
| * @author Dieter Wimberger |
| * @version 2.0 (16/07/2006) |
| */ |
| public interface ConnectionFilter { |
| |
| /** |
| * Tests if a given ip address is allowed to connect. |
| * |
| * @param ip the address to be tested. |
| * @return true if allowed to connect, false otherwise. |
| */ |
| boolean isAllowed(InetAddress ip); |
| |
| }//interface ConnectionFilter |
