Package io.netty.handler.codec.socksx.v5

Examples of io.netty.handler.codec.socksx.v5.Socks5CmdRequest

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            sendConnectCommand(ctx);
            return false;
        }

        // This should be the last message from the server.
        Socks5CmdResponse res = (Socks5CmdResponse) response;
        if (res.cmdStatus() != Socks5CmdStatus.SUCCESS) {
            throw new ProxyConnectException(exceptionMessage("cmdStatus: " + res.cmdStatus()));
        }

        return true;
    }
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                throw new ProxyConnectException(
                        exceptionMessage("unknown address type: " + StringUtil.simpleClassName(rhost)));
            }
        }

        ctx.pipeline().addBefore(encoderName, decoderName, new Socks5CmdResponseDecoder());
        sendToProxyServer(new Socks5CmdRequest(Socks5CmdType.CONNECT, addrType, rhost, raddr.getPort()));
    }
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    @Override
    protected void configure(SocketChannel ch) throws Exception {
        ChannelPipeline p = ch.pipeline();
        switch (testMode) {
        case INTERMEDIARY:
            p.addLast("decoder", new Socks5InitRequestDecoder());
            p.addLast("encoder", Socks5MessageEncoder.INSTANCE);
            p.addLast(new Socks5IntermediaryHandler());
            break;
        case TERMINAL:
            p.addLast("decoder", new Socks5InitRequestDecoder());
            p.addLast("encoder", Socks5MessageEncoder.INSTANCE);
            p.addLast(new Socks5TerminalHandler());
            break;
        case UNRESPONSIVE:
            p.addLast(UnresponsiveHandler.INSTANCE);
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                    case INIT: {
                        // auth support example
                        //ctx.pipeline().addFirst(new SocksV5AuthRequestDecoder());
                        //ctx.write(new SocksV5InitResponse(SocksV5AuthScheme.AUTH_PASSWORD));
                        ctx.pipeline().addFirst(new Socks5CmdRequestDecoder());
                        ctx.write(new Socks5InitResponse(Socks5AuthScheme.NO_AUTH));
                        break;
                    }
                    case AUTH:
                        ctx.pipeline().addFirst(new Socks5CmdRequestDecoder());
                        ctx.write(new Socks5AuthResponse(Socks5AuthStatus.SUCCESS));
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    }

    private boolean authenticate(ChannelHandlerContext ctx, Object msg) {
        if (username == null) {
            ctx.pipeline().addBefore("encoder", "decoder", new Socks5CmdRequestDecoder());
            ctx.write(new Socks5InitResponse(Socks5AuthScheme.NO_AUTH));
            return true;
        }

        if (msg instanceof Socks5InitRequest) {
            ctx.pipeline().addBefore("encoder", "decoder", new Socks5AuthRequestDecoder());
            ctx.write(new Socks5InitResponse(Socks5AuthScheme.AUTH_PASSWORD));
            return false;
        }

        Socks5AuthRequest req = (Socks5AuthRequest) msg;
        if (req.username().equals(username) && req.password().equals(password)) {
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    }

    @Override
    protected boolean handleResponse(ChannelHandlerContext ctx, Object response) throws Exception {
        if (response instanceof Socks5InitResponse) {
            Socks5InitResponse res = (Socks5InitResponse) response;
            Socks5AuthScheme authScheme = socksAuthScheme();

            if (res.authScheme() != Socks5AuthScheme.NO_AUTH && authScheme != res.authScheme()) {
                // Server did not allow unauthenticated access nor accept the requested authentication scheme.
                throw new ProxyConnectException(exceptionMessage("unexpected authScheme: " + res.authScheme()));
            }

            switch (authScheme) {
            case NO_AUTH:
                sendConnectCommand(ctx);
                break;
            case AUTH_PASSWORD:
                // In case of password authentication, send an authentication request.
                ctx.pipeline().addBefore(encoderName, decoderName, new Socks5AuthResponseDecoder());
                sendToProxyServer(
                        new Socks5AuthRequest(username != null? username : "", password != null? password : ""));
                break;
            default:
                // Should never reach here.
                throw new Error();
            }

            return false;
        }

        if (response instanceof Socks5AuthResponse) {
            // Received an authentication response from the server.
            Socks5AuthResponse res = (Socks5AuthResponse) response;
            if (res.authStatus() != Socks5AuthStatus.SUCCESS) {
                throw new ProxyConnectException(exceptionMessage("authStatus: " + res.authStatus()));
            }

            sendConnectCommand(ctx);
            return false;
        }

        // This should be the last message from the server.
        Socks5CmdResponse res = (Socks5CmdResponse) response;
        if (res.cmdStatus() != Socks5CmdStatus.SUCCESS) {
            throw new ProxyConnectException(exceptionMessage("cmdStatus: " + res.cmdStatus()));
        }

        return true;
    }
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    @Override
    protected void addCodec(ChannelHandlerContext ctx) throws Exception {
        ChannelPipeline p = ctx.pipeline();
        String name = ctx.name();

        Socks5InitResponseDecoder decoder = new Socks5InitResponseDecoder();
        p.addBefore(name, null, decoder);

        decoderName = p.context(decoder).name();
        encoderName = decoderName + ".encoder";
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Related Classes of io.netty.handler.codec.socksx.v5.Socks5CmdRequest

  • io.netty.buffer.ByteBuf
  • io.netty.channel.embedded.EmbeddedChannel
  • io.netty.example.socksproxy.SocksServerConnectHandler
  • io.netty.example.socksproxy.SocksServerHandler
  • io.netty.handler.proxy.Socks5ProxyHandler
  • io.netty.handler.proxy.Socks5ProxyServer
  • io.netty.handler.proxy.Socks5ProxyServer$Socks5IntermediaryHandler
  • io.netty.handler.proxy.Socks5ProxyServer$Socks5TerminalHandler
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