io.netty.handler.codec.socksx.v5.Socks5CommandType Java Examples

The following examples show how to use io.netty.handler.codec.socksx.v5.Socks5CommandType. 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: Socks5ProxyHandler.java From netty-4.1.22 with Apache License 2.0

6 votes

private void sendConnectCommand(ChannelHandlerContext ctx) throws Exception {
    InetSocketAddress raddr = destinationAddress();
    Socks5AddressType addrType;
    String rhost;
    if (raddr.isUnresolved()) {
        addrType = Socks5AddressType.DOMAIN;
        rhost = raddr.getHostString();
    } else {
        rhost = raddr.getAddress().getHostAddress();
        if (NetUtil.isValidIpV4Address(rhost)) {
            addrType = Socks5AddressType.IPv4;
        } else if (NetUtil.isValidIpV6Address(rhost)) {
            addrType = Socks5AddressType.IPv6;
        } else {
            throw new ProxyConnectException(
                    exceptionMessage("unknown address type: " + StringUtil.simpleClassName(rhost)));
        }
    }

    ctx.pipeline().replace(decoderName, decoderName, new Socks5CommandResponseDecoder());
    sendToProxyServer(new DefaultSocks5CommandRequest(Socks5CommandType.CONNECT, addrType, rhost, raddr.getPort()));
}

Example #2

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

6 votes

@Override
protected boolean handleProxyProtocol(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (!authenticated) {
        authenticated = authenticate(ctx, msg);
        return false;
    }

    Socks5CommandRequest req = (Socks5CommandRequest) msg;
    assertThat(req.type(), is(Socks5CommandType.CONNECT));

    Socks5CommandResponse res =
            new DefaultSocks5CommandResponse(Socks5CommandStatus.SUCCESS, Socks5AddressType.IPv4);
    intermediaryDestination = SocketUtils.socketAddress(req.dstAddr(), req.dstPort());

    ctx.write(res);

    ctx.pipeline().remove(ENCODER);
    ctx.pipeline().remove(DECODER);

    return true;
}

Example #3

Source File: ProxyToServerConnection.java From PowerTunnel with MIT License

5 votes

@Override
protected Future<?> execute() {
    InetSocketAddress destinationAddress = unresolvedAddressFor(serverHostAndPort);
    DefaultSocks5CommandRequest connectRequest = new DefaultSocks5CommandRequest(
            Socks5CommandType.CONNECT, Socks5AddressType.DOMAIN, destinationAddress.getHostString(), destinationAddress.getPort());

    addFirstOrReplaceHandler(SOCKS_DECODER_NAME, new Socks5CommandResponseDecoder());
    return writeToChannel(connectRequest);
}

Example #4

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 #5

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;
    }
}