Example usage for io.netty.handler.codec.socks SocksAuthScheme UNKNOWN

Introduction

In this page you can find the example usage for io.netty.handler.codec.socks SocksAuthScheme UNKNOWN.

Prototype

SocksAuthScheme UNKNOWN

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Usage

From source file:cc.agentx.client.net.nio.Socks5Handler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, SocksRequest request) throws Exception {
    switch (request.protocolVersion()) {
    case SOCKS4a:
        log.warn("\tBad Handshake! (protocol version not supported: 4)");
        ctx.write(new SocksInitResponse(SocksAuthScheme.UNKNOWN));
        if (ctx.channel().isActive()) {
            ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
        }/*ww  w .j a  v a  2s  .co  m*/
        break;
    case SOCKS5:
        switch (request.requestType()) {
        case INIT:
            ctx.pipeline().addFirst(new SocksCmdRequestDecoder());
            ctx.write(new SocksInitResponse(SocksAuthScheme.NO_AUTH));
            break;
        case AUTH:
            ctx.pipeline().addFirst(new SocksCmdRequestDecoder());
            ctx.write(new SocksAuthResponse(SocksAuthStatus.SUCCESS));
            break;
        case CMD:
            if (((SocksCmdRequest) request).cmdType() == SocksCmdType.CONNECT) {
                ctx.pipeline().addLast(new XConnectHandler());
                ctx.pipeline().remove(this);
                ctx.fireChannelRead(request);
            } else {
                ctx.close();
                log.warn("\tBad Handshake! (command not support: {})", ((SocksCmdRequest) request).cmdType());
            }
            break;
        case UNKNOWN:
            log.warn("\tBad Handshake! (unknown request type)");
        }
        break;
    case UNKNOWN:
        log.warn("\tBad Handshake! (protocol version not support: {}", request.protocolVersion());
        ctx.close();
        break;
    }
}

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