Example usage for io.netty.buffer ByteBuf readShort

List of usage examples for io.netty.buffer ByteBuf readShort

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf readShort.

Prototype

public abstract short readShort();

Source Link

Document

Gets a 16-bit short integer at the current readerIndex and increases the readerIndex by 2 in this buffer.

Usage

From source file:net.hasor.rsf.remoting.transport.protocol.codec.RpcResponseProtocol.java

License:Apache License

/**decode stream to object*/
public ResponseSocketBlock decode(ByteBuf buf) throws IOException {
    //* --------------------------------------------------------bytes =13
    //* byte[1]  version                              RSF(0x80)
    byte version = buf.readByte();
    //* byte[8]  requestID                            ?ID
    long requestID = buf.readLong();
    //* byte[1]  keepData                             ?
    buf.skipBytes(1);//  w  w  w.  ja  v  a 2 s.co  m
    //* byte[3]  contentLength                        ?
    buf.skipBytes(3);//.readUnsignedMedium()
    //
    ResponseSocketBlock res = new ResponseSocketBlock();
    res.setVersion(version);
    res.setRequestID(requestID);
    //* --------------------------------------------------------bytes =8
    //* byte[2]  status                               ??
    res.setStatus(buf.readShort());
    //* byte[2]  serializeType-(attr-index)           ?
    res.setSerializeType(buf.readShort());
    //* byte[2]  returnType-(attr-index)              
    res.setReturnType(buf.readShort());
    //* byte[2]  returnData-(attr-index)              ?
    res.setReturnData(buf.readShort());
    //* --------------------------------------------------------bytes =1 ~ 1021
    //* byte[1]  optionCount                          ?
    byte optionCount = buf.readByte();
    for (int i = 0; i < optionCount; i++) {
        //* byte[4]  attr-0-(attr-index,attr-index)   ?
        int mergeData = buf.readInt();
        res.addOption(mergeData);
    }
    //* --------------------------------------------------------bytes =6 ~ 8192
    //* byte[2]  attrPool-size (Max = 2047)           ?
    short attrPoolSize = buf.readShort();
    for (int i = 0; i < attrPoolSize; i++) {
        //* byte[4] att-length                        1?
        int length = buf.readInt();
        res.addPoolData(length);
    }
    //* --------------------------------------------------------bytes =n
    //* dataBody                                      ?
    res.fillFrom(buf.readBytes(res.getPoolSize()));
    return res;
}

From source file:net.ieldor.modules.login.LoginManager.java

License:Open Source License

public Player runGameLogin(ByteBuf buffer, Channel channel, ChannelHandlerContext context) {
    boolean unknownEquals14 = buffer.readUnsignedByte() == 1;
    int secureBufferSize = buffer.readShort() & 0xFFFF;
    if (buffer.readableBytes() < secureBufferSize) {
        channel.write(new LoginResponse(LoginResponse.BAD_SESSION));
        //session.getLoginPackets().sendClientPacket(10);
        return null;
    }/*from  w w w  .  j av a  2s  . c o m*/
    byte[] secureBytes = new byte[secureBufferSize];
    buffer.readBytes(secureBytes);

    ByteBuf secureBuffer = Unpooled.wrappedBuffer(
            new BigInteger(secureBytes).modPow(Constants.JS5PrivateKey, Constants.JS5ModulusKey).toByteArray());
    /*byte[] data = new byte[rsaBlockSize];
    buffer.readBytes(data, 0, rsaBlockSize);
    InputStream rsaStream = new InputStream(Utils.cryptRSA(data, Settings.PRIVATE_EXPONENT, Settings.MODULUS));*/
    int blockOpcode = secureBuffer.readUnsignedByte();

    if (blockOpcode != 10) {
        channel.write(new LoginResponse(LoginResponse.BAD_LOGIN_PACKET));
        //session.getLoginPackets().sendClientPacket(10);
        return null;
    }

    int[] xteaKey = new int[4];
    for (int key = 0; key < xteaKey.length; key++) {
        xteaKey[key] = secureBuffer.readInt();
    }

    long vHash = secureBuffer.readLong();
    if (vHash != 0L) {// rsa block check, pass part
        channel.write(new LoginResponse(LoginResponse.BAD_LOGIN_PACKET));
        return null;
    }

    String password = ByteBufUtils.readString(secureBuffer);
    System.out.println("Password: " + password);
    //TODO: Implement password encryption
    //password = Encrypt.encryptSHA1(password);
    //System.out.println("Found password: "+password);
    long[] loginSeeds = new long[2];
    for (int seed = 0; seed < loginSeeds.length; seed++) {
        loginSeeds[seed] = secureBuffer.readLong();
    }

    byte[] xteaBlock = new byte[buffer.readableBytes()];
    System.out.println("Xtea size: " + xteaBlock.length);
    buffer.readBytes(xteaBlock);
    XTEA xtea = new XTEA(xteaKey);
    xtea.decrypt(xteaBlock, 0, xteaBlock.length);

    InputStream xteaBuffer = new InputStream(xteaBlock);

    boolean decodeAsString = xteaBuffer.readByte() == 1;
    String username = decodeAsString ? xteaBuffer.readString()
            : Base37Utils.decodeBase37(xteaBuffer.readLong());
    System.out.println("Username: " + username);
    int displayMode = xteaBuffer.readUnsignedByte();
    int screenWidth = xteaBuffer.readUnsignedShort();
    int screenHeight = xteaBuffer.readUnsignedShort();
    int unknown2 = xteaBuffer.readUnsignedByte();

    xteaBuffer.skip(24); // 24bytes directly from a file, no idea whats there

    String settings = xteaBuffer.readString();
    int affid = xteaBuffer.readInt();
    int indexFiles = xteaBuffer.readByte() & 0xff;

    int[] crcValues = new int[indexFiles];
    int crcCount = xteaBuffer.readUnsignedByte();
    for (int i = 1; i < crcValues.length; i++) {
        crcValues[i] = xteaBuffer.readUnsignedByte();
    }

    @SuppressWarnings("unused")
    MachineData data = new MachineData(xteaBuffer);

    xteaBuffer.readInt();// Packet receive count
    xteaBuffer.readInt();//Unknown
    xteaBuffer.readInt();//Unknown
    xteaBuffer.readString();// Some param string (empty)
    boolean hasAditionalInformation = xteaBuffer.readUnsignedByte() == 1;
    if (hasAditionalInformation) {
        xteaBuffer.readString(); // aditionalInformation
    }
    boolean hasJagtheora = xteaBuffer.readUnsignedByte() == 1;
    boolean js = xteaBuffer.readUnsignedByte() == 1;
    boolean hc = xteaBuffer.readUnsignedByte() == 1;
    int unknown4 = xteaBuffer.readByte();
    int unknown5 = xteaBuffer.readInt();

    String serverToken = xteaBuffer.readString();
    if (!serverToken.equals(Constants.SERVER_TOKEN)) {
        System.out.println("Expected token: " + Constants.SERVER_TOKEN + ", found: " + serverToken);
        channel.write(new LoginResponse(LoginResponse.BAD_SESSION));
        return null;
    }
    boolean unknown7 = xteaBuffer.readUnsignedByte() == 1;

    for (int index = 0; index < crcCount; index++) {
        //int crc = CacheManager.STORE.getIndexes()[index] == null ? -1011863738 : CacheManager.STORE
        //      .getIndexes()[index].getCRC();
        int receivedCRC = xteaBuffer.readInt();
        /*if (crc != receivedCRC && index < 32) {
           Logger.log(this,
            "Invalid CRC at index: "+index+", "+receivedCRC+", "+crc);
           session.getLoginPackets().sendClientPacket(6);
           return;
        }*/
    }
    //TODO: Implement the following checks
    /*if (Utils.invalidAccountName(username)) {
       session.getLoginPackets().sendClientPacket(3);
       return;
    }
    if (World.getPlayers().size() >= Settings.PLAYERS_LIMIT - 10) {
       session.getLoginPackets().sendClientPacket(7);
       return;
    }
    if (World.containsPlayer(username)) {
       session.getLoginPackets().sendClientPacket(5);
       return;
    }
    if (AntiFlood.getSessionsIP(session.getIP()) > 3) {
       session.getLoginPackets().sendClientPacket(9);
       return;
    }*/
    LoadResult result = null;
    try {
        result = BinaryPlayerManager.loadPlayer(new LoginHandshakeMessage(username, password, context));
    } catch (IOException e) {
        channel.write(new LoginResponse(LoginResponse.ERROR_PROFILE_LOAD));
        return null;
    }
    if (result.getReturnCode() != LoginResponse.SUCCESS) {
        channel.write(new LoginResponse(result.getReturnCode()));
        return null;
    }
    Player player = result.getPlayer();
    player.initDisplayName();
    channel.write(new LoginConfigData(Constants.NIS_CONFIG, true));
    return player;
    /*player.init(session, username, displayMode, screenWidth, screenHeight, mInformation, new IsaacKeyPair(isaacKeys));
    session.getLoginPackets().sendLoginDetails(player);
    session.setDecoder(3, player);
    session.setEncoder(2, player);*/
    //player.start();
    /*Player player;
    if (!SerializableFilesManager.containsPlayer(username)) 
       player = new Player(password);
    else {
       player = SerializableFilesManager.loadPlayer(username);
       if (player == null) {
    session.getLoginPackets().sendClientPacket(20);
    return;
       }
       if (!SerializableFilesManager.createBackup(username)) {
    session.getLoginPackets().sendClientPacket(20);
    return;
       }
       if (!password.equals(player.getPassword())) {
    session.getLoginPackets().sendClientPacket(3);
    return;
       }
    }
    if (player.isPermBanned() || player.getBanned() > Utils.currentTimeMillis()) {
       session.getLoginPackets().sendClientPacket(4);
       return;
    }*/
}

From source file:net.ieldor.modules.login.LoginManager.java

License:Open Source License

public void runLobbyLogin(ByteBuf buffer, Channel channel, ChannelHandlerContext context) {
    int secureBufferSize = buffer.readShort() & 0xFFFF;
    if (buffer.readableBytes() < secureBufferSize) {
        channel.write(new LoginResponse(LoginResponse.BAD_LOGIN_PACKET));
        return;/*www.j  a va  2s  .  c  o  m*/
    }

    byte[] secureBytes = new byte[secureBufferSize];
    buffer.readBytes(secureBytes);

    ByteBuf secureBuffer = Unpooled.wrappedBuffer(
            new BigInteger(secureBytes).modPow(Constants.JS5PrivateKey, Constants.JS5ModulusKey).toByteArray());
    int blockOpcode = secureBuffer.readUnsignedByte();

    if (blockOpcode != 10) {
        channel.write(new LoginResponse(LoginResponse.BAD_LOGIN_PACKET));
        return;
    }

    int[] xteaKey = new int[4];
    for (int key = 0; key < xteaKey.length; key++) {
        xteaKey[key] = secureBuffer.readInt();
    }

    long vHash = secureBuffer.readLong();
    if (vHash != 0L) {
        channel.write(new LoginResponse(LoginResponse.BAD_LOGIN_PACKET));
        return;
    }

    String password = ByteBufUtils.readString(secureBuffer);
    //System.out.println("Found password: "+password);
    long[] loginSeeds = new long[2];
    for (int seed = 0; seed < loginSeeds.length; seed++) {
        loginSeeds[seed] = secureBuffer.readLong();
    }

    byte[] xteaBlock = new byte[buffer.readableBytes()];
    buffer.readBytes(xteaBlock);
    XTEA xtea = new XTEA(xteaKey);
    xtea.decrypt(xteaBlock, 0, xteaBlock.length);

    InputStream xteaBuffer = new InputStream(xteaBlock);

    boolean decodeAsString = xteaBuffer.readByte() == 1;
    String username = decodeAsString ? xteaBuffer.readString()
            : Base37Utils.decodeBase37(xteaBuffer.readLong());
    //System.out.println("Found username: "+username);
    @SuppressWarnings("unused")
    int gameType = xteaBuffer.readUnsignedByte();
    @SuppressWarnings("unused")
    int languageID = xteaBuffer.readUnsignedByte();

    @SuppressWarnings("unused")
    int displayMode = xteaBuffer.readByte();
    @SuppressWarnings("unused")
    int screenWidth = xteaBuffer.readUnsignedShort();// Client screen width
    @SuppressWarnings("unused")
    int screenHeight = xteaBuffer.readUnsignedShort();// Client screen height
    @SuppressWarnings("unused")
    int anUnknownByte = xteaBuffer.readByte();

    byte[] randomData = new byte[24];
    for (int i = 0; i < randomData.length; i++) {
        randomData[i] = (byte) (xteaBuffer.readByte() & 0xFF);
    }

    @SuppressWarnings("unused")
    String clientSettings = xteaBuffer.readString();

    int indexFiles = xteaBuffer.readByte() & 0xff;

    int[] crcValues = new int[indexFiles];

    for (int i = 0; i < crcValues.length; i++) {
        crcValues[i] = xteaBuffer.readUnsignedByte();
    }
    @SuppressWarnings("unused")
    MachineData data = new MachineData(xteaBuffer);
    /*int length = xteaBuffer.readUnsignedByte();byte[] machineData = new byte[length];
    for (int data = 0; data < machineData.length; data++) {
       machineData[data] = (byte) xteaBuffer.readUnsignedByte();
    }*/

    xteaBuffer.readInt();// Packet receive count
    xteaBuffer.readString();// Some param string (empty)
    xteaBuffer.readInt();// Another param (0)
    xteaBuffer.readInt();// Yet another param (2036537831)

    String serverToken = xteaBuffer.readString();
    if (!serverToken.equals(Constants.SERVER_TOKEN)) {
        System.out.println("Expected token: " + Constants.SERVER_TOKEN + ", found: " + serverToken);
        channel.write(new LoginResponse(LoginResponse.BAD_SESSION));
        return;
    }

    xteaBuffer.readByte();// Final param (2424)

    LoadResult result = null;
    try {
        result = BinaryPlayerManager.loadPlayer(new LoginHandshakeMessage(username, password, context));
    } catch (IOException e) {
        channel.write(new LoginResponse(LoginResponse.ERROR_PROFILE_LOAD));
        return;
    }
    if (result.getReturnCode() != LoginResponse.SUCCESS) {
        channel.write(new LoginResponse(result.getReturnCode()));
        return;
    }
    Player player = result.getPlayer();
    player.initDisplayName();
    int rights = 0;
    long memberEndDate = 1420073999999L;
    int memberFlags = 0x1;//0x1 - if members, 0x2 - subscription
    int lastLoginDay = 0;
    int recoverySetDay = 4000;//The day on which recovery questions were last set
    int msgCount = 0;
    String loginIp = null;
    int emailStatus = 3;//email status (0 - no email, 1 - pending parental confirmation, 2 - pending confirmation, 3 - registered)
    String displayName = player.getDisplayName();
    WorldData defaultWorld = WorldList.DEFAULT_WORLD;

    LobbyLoginData lobbyData = new LobbyLoginData(rights, memberEndDate, memberFlags, lastLoginDay,
            recoverySetDay, msgCount, loginIp, emailStatus, displayName, defaultWorld);

    channel.write(lobbyData);
    player.lobbyLogin(context);
    /*Packet response = encodeLobbyResponse(player);
    channel.write(new LoginResponse(LoginResponse.SUCCESS, response.getPayload(), response.getLength()));
    */
}

From source file:net.ieldor.network.codec.login.LoginDecoder.java

License:Open Source License

private Object decodeConnectionType(ByteBuf buffer) throws ProtocolException {
    int loginType = buffer.readUnsignedByte();
    if (loginType != 16 && loginType != 18 && loginType != 19) {
        System.out.println("Invalid login opcode: " + loginType);
        return new LoginResponse(LoginResponse.BAD_LOGIN_PACKET);
        // throw new ProtocolException("Invalid login opcode: " + loginType);
    }/*from   w w w  .  j  av  a  2  s.  c o m*/

    currentLoginType = loginType == 19 ? LoginType.LOBBY : LoginType.GAME;
    loginSize = buffer.readShort() & 0xFFFF;

    state = LoginState.CLIENT_DETAILS;
    return decodeClientDetails(buffer);
}

From source file:net.killermapper.roadstuff.common.network.PacketSignType.java

License:Open Source License

@Override
public void fromBytes(ByteBuf buf) {
    this.signType = buf.readShort();
    this.signShape = buf.readByte();
    this.tileX = buf.readInt();
    this.tileY = buf.readInt();
    this.tileZ = buf.readInt();
}

From source file:net.mechanicalcat.pycode.net.InvokeWandMessage.java

License:Open Source License

@Override
public void fromBytes(ByteBuf buf) {
    hitVec = new Vec3d(buf.readDouble(), buf.readDouble(), buf.readDouble());
    typeOfHit = RayTraceResult.Type.MISS;
    switch (buf.readShort()) {
    case 1:/* w w  w .j a v  a2  s  .  com*/
        typeOfHit = RayTraceResult.Type.BLOCK;
        blockPos = new BlockPos(buf.readInt(), buf.readInt(), buf.readInt());
        sideHit = EnumFacing.values()[buf.readShort()];
        break;
    case 2:
        typeOfHit = RayTraceResult.Type.ENTITY;
        entityId = buf.readInt();
    }
}

From source file:net.minecrell.quartz.mixin.network.MixinLegacyPingHandler.java

License:MIT License

private boolean readLegacy(ChannelHandlerContext ctx, ByteBuf buf) {
    if (buf.readUnsignedByte() != 0xFE) {
        return false;
    }//from  ww w  .  j  a v  a  2  s.co  m

    MinecraftServer server = this.system.getServer();
    InetSocketAddress client = (InetSocketAddress) ctx.channel().remoteAddress();
    ServerStatusResponse response;

    int i = buf.readableBytes();
    switch (i) {
    case 0:
        logger.debug("Ping: (<=1.3) from {}:{}", client.getAddress(), client.getPort());

        response = QuartzStatusResponse.postLegacy(server, client, QuartzLegacyMinecraftVersion.V1_3, null);
        if (response != null) {
            this.writeResponse(ctx,
                    String.format("%s%d%d", QuartzStatusResponse.getUnformattedMotd(response),
                            response.getPlayers().getOnline(), response.getPlayers().getMax()));
        } else {
            ctx.close();
        }

        break;
    case 1:
        if (buf.readUnsignedByte() != 0x01) {
            return false;
        }

        logger.debug("Ping: (1.4-1.5) from {}:{}", client.getAddress(), client.getPort());

        response = QuartzStatusResponse.postLegacy(server, client, QuartzLegacyMinecraftVersion.V1_5, null);
        if (response != null) {
            this.writeResponse(ctx,
                    String.format("1\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d",
                            response.getVersion().getProtocol(), response.getVersion().getName(),
                            QuartzStatusResponse.getMotd(response), response.getPlayers().getOnline(),
                            response.getPlayers().getMax()));
        } else {
            ctx.close();
        }

        break;
    default:
        if (buf.readUnsignedByte() != 0x01 || buf.readUnsignedByte() != 0xFA) {
            return false;
        }
        if (!buf.isReadable(2)) {
            break;
        }
        short length = buf.readShort();
        if (!buf.isReadable(length * 2)) {
            break;
        }
        if (!buf.readBytes(length * 2).toString(Charsets.UTF_16BE).equals("MC|PingHost")) {
            return false;
        }
        if (!buf.isReadable(2)) {
            break;
        }
        length = buf.readShort();
        if (!buf.isReadable(length)) {
            break;
        }

        int protocol = buf.readUnsignedByte();
        length = buf.readShort();
        String host = buf.readBytes(length * 2).toString(Charsets.UTF_16BE);
        int port = buf.readInt();

        logger.debug("Ping: (1.6) from {}:{}", client.getAddress(), client.getPort());

        response = QuartzStatusResponse.postLegacy(server, client,
                new QuartzLegacyMinecraftVersion(QuartzLegacyMinecraftVersion.V1_6, protocol),
                InetSocketAddress.createUnresolved(host, port));
        if (response != null) {
            this.writeResponse(ctx,
                    String.format("1\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d",
                            response.getVersion().getProtocol(), response.getVersion().getName(),
                            QuartzStatusResponse.getMotd(response), response.getPlayers().getOnline(),
                            response.getPlayers().getMax()));
        } else {
            ctx.close();
        }

        break;
    }

    return true;
}

From source file:net.shadowmage.ancientwarfare.core.util.StringTools.java

License:Open Source License

public static final String readString(ByteBuf in) {
    short len = in.readShort();
    byte[] nameBytes = new byte[len];
    in.readBytes(nameBytes);/*  w  w  w.ja va 2 s.  co m*/
    return new String(nameBytes);
}

From source file:net.tridentsdk.data.Slot.java

License:Open Source License

public Slot(ByteBuf buf) {
    this.id = (short) buf.readByte();
    this.mat = Material.fromString(String.valueOf(this.id));

    if (this.id == -1) {
        return;//from w  ww  .ja  v  a2s. c o  m
    }

    this.quantity = buf.readByte();
    this.damageValue = buf.readShort();
    byte b;

    if ((b = buf.readByte()) != 0) {
        try {
            NBTDecoder builder = new NBTDecoder(new ByteBufInputStream(buf));

            this.compoundTag = builder.decode(b);
        } catch (NBTException ignored) {
            // do something
        }
    }
}

From source file:net.tridentsdk.packets.handshake.PacketHandshakeIn.java

License:Open Source License

@Override
public Packet decode(ByteBuf buf) {
    this.protocolVersion = Codec.readVarInt32(buf);
    this.address = Codec.readString(buf);
    this.port = buf.readShort();
    this.nextState = Codec.readVarInt32(buf);
    return this;
}