| // 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. |
| package com.cloud.consoleproxy.vnc.security; |
| |
| import com.cloud.consoleproxy.util.Logger; |
| import com.cloud.consoleproxy.vnc.NoVncClient; |
| import com.cloud.consoleproxy.vnc.network.NioSocketHandler; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| |
| public class VncAuthSecurity implements VncSecurity { |
| |
| private final String vmPass; |
| |
| private static final int VNC_AUTH_CHALLENGE_SIZE = 16; |
| protected Logger logger = Logger.getLogger(getClass()); |
| |
| public VncAuthSecurity(String vmPass) { |
| this.vmPass = vmPass; |
| } |
| |
| @Override |
| public void process(NioSocketHandler socketHandler) throws IOException { |
| logger.info("VNC server requires password authentication"); |
| |
| // Read the challenge & obtain the user's password |
| ByteBuffer challenge = ByteBuffer.allocate(VNC_AUTH_CHALLENGE_SIZE); |
| socketHandler.readBytes(challenge, VNC_AUTH_CHALLENGE_SIZE); |
| |
| byte[] encodedPassword; |
| try { |
| encodedPassword = NoVncClient.encodePassword(challenge.array(), vmPass); |
| } catch (Exception e) { |
| logger.error("Cannot encrypt client password to send to server: " + e.getMessage()); |
| throw new CloudRuntimeException("Cannot encrypt client password to send to server: " + e.getMessage()); |
| } |
| |
| // Return the response to the server |
| socketHandler.writeBytes(ByteBuffer.wrap(encodedPassword), encodedPassword.length); |
| socketHandler.flushWriteBuffer(); |
| logger.info("Finished VNCAuth security"); |
| } |
| } |