io.netty.handler.codec.socksx.SocksMessage Java Examples

The following examples show how to use io.netty.handler.codec.socksx.SocksMessage. 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: SocksProxyHandler.java    From nitmproxy with MIT License 5 votes vote down vote up 
@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 #2
Source File: SocksServerHandler.java    From netty-4.1.22 with Apache License 2.0 4 votes vote down vote up 
@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 #3
Source File: SocksServerHandler.java    From shadowsocks-java with MIT License 4 votes vote down vote up 
@Override
    public void channelRead0(ChannelHandlerContext ctx, SocksMessage socksRequest) throws Exception {
        switch (socksRequest.version()) {
            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 Socks5CommandRequest) {
                    Socks5CommandRequest socks5CmdRequest = (Socks5CommandRequest) socksRequest;
                    if (socks5CmdRequest.type() == Socks5CommandType.CONNECT) {
//                        ctx.pipeline().addLast(new SocksServerConnectHandler());
                        ctx.pipeline().remove(this);
                        //ss-local just res SUCCESS
                        ctx.channel().writeAndFlush(new DefaultSocks5CommandResponse(
                                Socks5CommandStatus.SUCCESS,
                                Socks5AddressType.IPv4,
                                "0.0.0.0",
                                0));

                        ctx.channel().attr(SSCommon.REMOTE_DES_SOCKS5).set(socks5CmdRequest);

//                        ctx.fireChannelRead(socksRequest);
                    } else if (socks5CmdRequest.type() == Socks5CommandType.UDP_ASSOCIATE) {
                        ctx.pipeline().remove(this);

                        InetSocketAddress bindAddr = (InetSocketAddress) ctx.channel().localAddress();
                        InetAddress bindId = bindAddr.getAddress();
                        Socks5AddressType bindAddrType = Socks5AddressType.IPv4;
                        if (bindId instanceof Inet4Address) {
                            bindAddrType = Socks5AddressType.IPv4;
                        } else if (bindId instanceof Inet6Address) {
                            bindAddrType = Socks5AddressType.IPv6;
                        }

                        ctx.channel().writeAndFlush(new DefaultSocks5CommandResponse(
                                Socks5CommandStatus.SUCCESS,
                                bindAddrType,
                                bindId.getHostAddress(),
                                bindAddr.getPort()));

//                       ctx.fireChannelRead(socksRequest);
                    } else {
                        ctx.close();
                    }
                } else {
                    ctx.close();
                }
                break;
            case UNKNOWN:
                ctx.close();
                break;
        }
    }