基于 MINA 的 TLS/SSL NIO Socket 实现（二）

转自：http://blog.sina.com.cn/s/blog_9f2dd2f3010165cq.html

MinaSocketApache.netSecurity
功能:1) 客户端首先必须以普通连接方式连接连接服务器
2) 服务器接收到连接后,通知客户端启用TLS/SSL方式连接
3) 双方都启用成功后,通过数据加密方式完成信息的通信
备注: TLS/SSL 实现是基于 MINA 的官方例子
地址: http://mina.apache.org/

客户端和服务器端通信内容：
客户端：HELLO
服务器：Hello SSL
客户端：Client SSL Finished
服务器：Server SSL Finished
客户端：信息安全吗?
服务器：信息安全!
客户端：lawless command(非法的命令)
服务器：No Support Command(服务器响应不支持此命令)

服务器端代码：
Java代码收藏代码
package com.sariel.tls.server;

import java.net.InetSocketAddress;
import java.nio.charset.Charset;

import org.apache.mina.core.filterchain.DefaultIoFilterChainBuilder;
import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.textline.TextLineCodecFactory;
import org.apache.mina.transport.socket.SocketAcceptor;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;

public class TempTLSServer {
private static final int PORT = 50003;

public static void main(String[] args) throws Exception {

SocketAcceptor acceptor = new NioSocketAcceptor();
acceptor.setReuseAddress(true);

DefaultIoFilterChainBuilder chain = acceptor.getFilterChain();

chain.addLast("codec", new ProtocolCodecFilter(new TextLineCodecFactory(Charset.forName("UTF-8"))));

acceptor.setHandler(new TempTLSServerHandler());

acceptor.bind(new InetSocketAddress(PORT));
System.out.println("服务器在 [" + PORT + "] 等待连接...");
}
}

Java代码收藏代码
package com.sariel.tls.server;

import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IdleStatus;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.filter.ssl.SslFilter;
import org.apache.mina.filter.ssl.SslFilter.SslFilterMessage;

import com.sariel.tls.BogusSslContextFactory;

public class TempTLSServerHandler extends IoHandlerAdapter {
public void sessionCreated(IoSession session) throws Exception {
System.out.println("[NIO Server]>> sessionCreated");

session.setAttribute(SslFilter.USE_NOTIFICATION);
}

public void sessionOpened(IoSession session) throws Exception {
System.out.println("[NIO Server]>> sessionOpened");
}

public void sessionClosed(IoSession session) throws Exception {
System.out.println("[NIO Server]>> sessionClosed");
}

public void sessionIdle(IoSession session, IdleStatus status) throws Exception {
System.out.println("[NIO Server]>> sessionIdle");
}

public void exceptionCaught(IoSession session, Throwable cause) throws Exception {
System.out.println("[NIO Server]>> exceptionCaught :");
cause.printStackTrace();
}

public void messageReceived(IoSession session, Object message) throws Exception {
System.out.println("[NIO Server]>> messageReceived");
String msg = "";
if (message instanceof SslFilterMessage) {
msg = ((SslFilterMessage) message).toString();
} else {
msg = (String) message;
}
System.out.println("[NIO Server Received]>> : " + msg);
if ("Hello".equalsIgnoreCase(msg)) {
session.write("Hello SSL");
} else if ("Client SSL Finished".equalsIgnoreCase(msg)) {
session.getFilterChain().addFirst("SSL", new SslFilter(BogusSslContextFactory.getInstance(true)));
// ((SslFilter)session.getFilterChain().get("SSL")).startSsl(session);
session.write("Server SSL Finished");
} else if ("信息安全吗?".equals(msg)) {
session.write("信息安全!");
} else {
session.write("No Support Command");
}
}

public void messageSent(IoSession session, Object message) throws Exception {
System.out.println("[NIO Server]>> messageSent");
System.out.println("[NIO Server messageSent]>> : " + (String) message);
}

}

客户端代码：
Java代码收藏代码
package com.sariel.tls.client;

import java.net.InetSocketAddress;
import java.nio.charset.Charset;
import java.security.GeneralSecurityException;

import org.apache.mina.core.future.ConnectFuture;
import org.apache.mina.core.service.IoConnector;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.textline.TextLineCodecFactory;
import org.apache.mina.transport.socket.nio.NioSocketConnector;

public class TempTLSClient {

private static final int PORT = 50003;

private static final String TARGET_IP = "192.168.12.41";

public static void main(String[] args) throws GeneralSecurityException {

IoConnector connector = new NioSocketConnector();

connector.setHandler(new TempTLSClientHandler());

connector.getFilterChain().addLast("codec", new ProtocolCodecFilter(new TextLineCodecFactory(Charset.forName("UTF-8"))));

ConnectFuture future = connector.connect(new InetSocketAddress(TARGET_IP, PORT));

future.awaitUninterruptibly();

IoSession session = future.getSession();

session.write("HELLO");

session.getCloseFuture().awaitUninterruptibly();
connector.dispose();
}
}

Java代码收藏代码
package com.sariel.tls.client;

import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IdleStatus;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.filter.ssl.SslFilter;

import com.sariel.tls.BogusSslContextFactory;

public class TempTLSClientHandler extends IoHandlerAdapter {
public void sessionCreated(IoSession session) throws Exception {
System.out.println("[NIO Client]>> sessionCreated");
}

public void sessionOpened(IoSession session) throws Exception {
System.out.println("[NIO Client]>> sessionOpened");
}

public void sessionClosed(IoSession session) throws Exception {
System.out.println("[NIO Client]>> sessionClosed");
}

public void sessionIdle(IoSession session, IdleStatus status) throws Exception {
System.out.println("[NIO Client]>> sessionIdle");
}

public void exceptionCaught(IoSession session, Throwable cause) throws Exception {
System.out.println("[NIO Client]>> exceptionCaught :");
cause.printStackTrace();
}

public void messageReceived(IoSession session, Object message) throws Exception {
System.out.println("[NIO Client]>> messageReceived");
System.out.println("[NIO Client Received]>>" + (String) message);
if ("Hello SSL".equals((String) message)) {
session.write("Client SSL Finished");
} else if ("Server SSL Finished".equals((String) message)) {
session.write("信息安全吗?");
} else if ("信息安全!".equals((String) message)) {
session.write("lawless command");
}
}

public void messageSent(IoSession session, Object message) throws Exception {
System.out.println("[NIO Client]>> messageSent");
System.out.println("[NIO Client messageSent]>> : " + (String) message);
if ("Client SSL Finished".equals((String) message)) {
SslFilter connectorTLSFilter = new SslFilter(BogusSslContextFactory.getInstance(false));
connectorTLSFilter.setUseClientMode(true);
session.getFilterChain().addFirst("SSL", connectorTLSFilter);
// ((SslFilter)session.getFilterChain().get("SSL")).startSsl(session);
}
}
}

创建 KEY 文件指令：keytool -genkey -alias bogus -keysize 512 -validity 3650 -keyalg RSA -dname "CN=bogus.com, OU=XXX CA,O=Bogus Inc, L=Stockholm, S=Stockholm, C=SE" -keypass boguspw -storepass boguspw -keystore bogus.cert
(在 Java 源文件 BogusSslContextFactory.java 中也有,是官方的)

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