io.netty.handler.codec.socksx.v5.Socks5CommandRequestDecoder Java Examples

The following examples show how to use io.netty.handler.codec.socksx.v5.Socks5CommandRequestDecoder. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: Socks5ProxyServer.java From netty-4.1.22 with Apache License 2.0

6 votes

boolean authenticate(ChannelHandlerContext ctx, Object msg) {
    if (username == null) {
        ctx.pipeline().replace(DECODER, DECODER, new Socks5CommandRequestDecoder());
        ctx.write(new DefaultSocks5InitialResponse(Socks5AuthMethod.NO_AUTH));
        return true;
    }

    if (msg instanceof Socks5InitialRequest) {
        ctx.pipeline().replace(DECODER, DECODER, new Socks5PasswordAuthRequestDecoder());
        ctx.write(new DefaultSocks5InitialResponse(Socks5AuthMethod.PASSWORD));
        return false;
    }

    Socks5PasswordAuthRequest req = (Socks5PasswordAuthRequest) msg;
    if (req.username().equals(username) && req.password().equals(password)) {
        ctx.pipeline().replace(DECODER, DECODER, new Socks5CommandRequestDecoder());
        ctx.write(new DefaultSocks5PasswordAuthResponse(Socks5PasswordAuthStatus.SUCCESS));
        return true;
    }

    ctx.pipeline().replace(DECODER, DECODER, new Socks5PasswordAuthRequestDecoder());
    ctx.write(new DefaultSocks5PasswordAuthResponse(Socks5PasswordAuthStatus.FAILURE));
    return false;
}

Example #2

Source File: ProxyClientIntegrationTest.java From armeria with Apache License 2.0

6 votes

@Override
protected void channelRead0(ChannelHandlerContext ctx, Socks5Message msg) throws Exception {
    if (msg instanceof DefaultSocks5InitialRequest) {
        ctx.pipeline().addBefore(ctx.name(), Socks5CommandRequestDecoder.class.getName(),
                                 new Socks5CommandRequestDecoder());
        ctx.writeAndFlush(new DefaultSocks5InitialResponse(Socks5AuthMethod.NO_AUTH));
    } else if (msg instanceof DefaultSocks5CommandRequest) {
        final DefaultSocks5CommandRequest req = (DefaultSocks5CommandRequest) msg;
        ctx.pipeline().remove(Socks5CommandRequestDecoder.class);
        ctx.fireUserEventTriggered(new ProxySuccessEvent(
                new InetSocketAddress(req.dstAddr(), req.dstPort()),
                new DefaultSocks5CommandResponse(Socks5CommandStatus.SUCCESS,
                                                 Socks5AddressType.IPv4)));
    } else {
        throw new IllegalStateException("unexpected msg: " + msg);
    }
}

Example #3

Source File: SocksProxyHandler.java From nitmproxy with MIT License

5 votes

@Override
protected void channelRead0(ChannelHandlerContext ctx, SocksMessage socksMessage)
        throws Exception {
    switch (socksMessage.version()) {
    case SOCKS4a:
        Socks4CommandRequest socksV4CmdRequest = (Socks4CommandRequest) socksMessage;
        if (socksV4CmdRequest.type() == Socks4CommandType.CONNECT) {
            onSocksSuccess(ctx, socksV4CmdRequest);
        } else {
            ctx.close();
        }
        break;
    case SOCKS5:
        if (socksMessage instanceof Socks5InitialRequest) {
            ctx.pipeline().addFirst(addChannelHandler(new Socks5CommandRequestDecoder()));
            ctx.writeAndFlush(new DefaultSocks5InitialResponse(Socks5AuthMethod.NO_AUTH));
        } else if (socksMessage instanceof Socks5PasswordAuthRequest) {
            ctx.pipeline().addFirst(addChannelHandler(new Socks5CommandRequestDecoder()));
            ctx.writeAndFlush(new DefaultSocks5PasswordAuthResponse(Socks5PasswordAuthStatus.SUCCESS));
        } else if (socksMessage instanceof Socks5CommandRequest) {
            Socks5CommandRequest socks5CmdRequest = (Socks5CommandRequest) socksMessage;
            if (socks5CmdRequest.type() == Socks5CommandType.CONNECT) {
                onSocksSuccess(ctx, socks5CmdRequest);
            } else {
                ctx.close();
            }
        } else {
            ctx.close();
        }
        break;
    case UNKNOWN:
        ctx.close();
        break;
    }
}

Example #4

Source File: SocksServerHandler.java From netty-4.1.22 with Apache License 2.0

4 votes

@Override
public void channelRead0(ChannelHandlerContext ctx, SocksMessage socksRequest) throws Exception {
    switch (socksRequest.version()) {
        case SOCKS4a:
            Socks4CommandRequest socksV4CmdRequest = (Socks4CommandRequest) socksRequest;
            if (socksV4CmdRequest.type() == Socks4CommandType.CONNECT) {
                ctx.pipeline().addLast(new SocksServerConnectHandler());
                ctx.pipeline().remove(this);
                ctx.fireChannelRead(socksRequest);
            } else {
                ctx.close();
            }
            break;
        case SOCKS5:
            if (socksRequest instanceof Socks5InitialRequest) {
                // auth support example
                //ctx.pipeline().addFirst(new Socks5PasswordAuthRequestDecoder());
                //ctx.write(new DefaultSocks5AuthMethodResponse(Socks5AuthMethod.PASSWORD));
                ctx.pipeline().addFirst(new Socks5CommandRequestDecoder());
                ctx.write(new DefaultSocks5InitialResponse(Socks5AuthMethod.NO_AUTH));
            } else if (socksRequest instanceof Socks5PasswordAuthRequest) {
                ctx.pipeline().addFirst(new Socks5CommandRequestDecoder());
                ctx.write(new DefaultSocks5PasswordAuthResponse(Socks5PasswordAuthStatus.SUCCESS));
            } else if (socksRequest instanceof Socks5CommandRequest) {
                Socks5CommandRequest socks5CmdRequest = (Socks5CommandRequest) socksRequest;
                if (socks5CmdRequest.type() == Socks5CommandType.CONNECT) {
                    ctx.pipeline().addLast(new SocksServerConnectHandler());
                    ctx.pipeline().remove(this);
                    ctx.fireChannelRead(socksRequest);
                } else {
                    ctx.close();
                }
            } else {
                ctx.close();
            }
            break;
        case UNKNOWN:
            ctx.close();
            break;
    }
}

Example #5

Source File: ProxyServer.java From socks5-netty with MIT License

4 votes

public void start() throws Exception {
	if(proxyFlowLog == null) {
		proxyFlowLog = new ProxyFlowLog4j();
	}
	if(passwordAuth == null) {
		passwordAuth = new PropertiesPasswordAuth();
	}
	EventLoopGroup boss = new NioEventLoopGroup(2);
	EventLoopGroup worker = new NioEventLoopGroup();
	try {
		ServerBootstrap bootstrap = new ServerBootstrap();
		bootstrap.group(boss, worker)
		.channel(NioServerSocketChannel.class)
		.option(ChannelOption.SO_BACKLOG, 1024)
		.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 1000)
		.childHandler(new ChannelInitializer<SocketChannel>() {
			@Override
			protected void initChannel(SocketChannel ch) throws Exception {
				//流量统计
				ch.pipeline().addLast(
						ProxyChannelTrafficShapingHandler.PROXY_TRAFFIC, 
						new ProxyChannelTrafficShapingHandler(3000, proxyFlowLog, channelListener)
						);
				//channel超时处理
				ch.pipeline().addLast(new IdleStateHandler(3, 30, 0));
				ch.pipeline().addLast(new ProxyIdleHandler());
				//netty日志
				if(logging) {
					ch.pipeline().addLast(new LoggingHandler());
				}
				//Socks5MessagByteBuf
				ch.pipeline().addLast(Socks5ServerEncoder.DEFAULT);
				//sock5 init
				ch.pipeline().addLast(new Socks5InitialRequestDecoder());
				//sock5 init
				ch.pipeline().addLast(new Socks5InitialRequestHandler(ProxyServer.this));
				if(isAuth()) {
					//socks auth
					ch.pipeline().addLast(new Socks5PasswordAuthRequestDecoder());
					//socks auth
					ch.pipeline().addLast(new Socks5PasswordAuthRequestHandler(getPasswordAuth()));
				}
				//socks connection
				ch.pipeline().addLast(new Socks5CommandRequestDecoder());
				//Socks connection
				ch.pipeline().addLast(new Socks5CommandRequestHandler(ProxyServer.this.getBossGroup()));
			}
		});
		
		ChannelFuture future = bootstrap.bind(port).sync();
		logger.debug("bind port : " + port);
		future.channel().closeFuture().sync();
	} finally {
		boss.shutdownGracefully();
		worker.shutdownGracefully();
	}
}