Examples with ByteBuffer streamer.ByteBuffer used on opensource projects

Example 31 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientNtlmsspPubKeyAuth method dumpNegoToken.

private void dumpNegoToken(ByteBuffer buf) {
    String signature = buf.readVariableString(RdpConstants.CHARSET_8);
    if (!ConstantTimeComparator.compareStrings(signature, NTLMSSP))
        throw new RuntimeException("Unexpected NTLM message singature: \"" + signature + "\". Expected signature: \"" + NTLMSSP + "\". Data: " + buf + ".");
    // MessageType (CHALLENGE)
    int messageType = buf.readSignedIntLE();
    if (messageType != NtlmConstants.NTLMSSP_AUTH)
        throw new RuntimeException("Unexpected NTLM message type: " + messageType + ". Expected type: CHALLENGE (" + NtlmConstants.CHALLENGE + "). Data: " + buf + ".");
    System.out.println("lmChallengeResponseFields: " + ServerNtlmsspChallenge.readBlockByDescription(buf).toPlainHexString());
    ByteBuffer ntChallengeResponseBuf = ServerNtlmsspChallenge.readBlockByDescription(buf);
    System.out.println("NtChallengeResponse: " + ntChallengeResponseBuf.toPlainHexString());
    System.out.println("DomainName: " + ServerNtlmsspChallenge.readStringByDescription(buf));
    System.out.println("UserName: " + ServerNtlmsspChallenge.readStringByDescription(buf));
    System.out.println("Workstation: " + ServerNtlmsspChallenge.readStringByDescription(buf));
    System.out.println("EncryptedRandomSessionKey: " + ServerNtlmsspChallenge.readBlockByDescription(buf).toPlainHexString());
    System.out.println("NegotiateFlags: " + new NegoFlags(buf.readSignedIntLE()));
    System.out.println("Version: " + buf.readBytes(8).toPlainHexString());
    dumpNtChallengeResponse(ntChallengeResponseBuf);
}

Example 32 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientNtlmsspPubKeyAuth method dumpNtChallengeResponse.

private void dumpNtChallengeResponse(ByteBuffer buf) {
    System.out.println("HMAC: " + buf.readBytes(16).toPlainHexString());
    System.out.format("Header: 0x%08x\n", buf.readUnsignedIntLE());
    System.out.format("Reserved: 0x%08x\n", buf.readUnsignedIntLE());
    System.out.println("Time: " + buf.readBytes(8).toPlainHexString());
    System.out.println("Client challenge: " + buf.readBytes(8).toPlainHexString());
    System.out.format("Reserved: 0x%08x\n", buf.readUnsignedIntLE());
    while (buf.remainderLength() > 0) {
        int type = buf.readUnsignedShortLE();
        int length = buf.readUnsignedShortLE();
        if (type == MSV_AV_EOL)
            // End of list
            break;
        ByteBuffer data = buf.readBytes(length);
        switch(type) {
            case MSV_AV_NETBIOS_DOMAIN_NAME:
                System.out.println("AV Netbios Domain name: " + data.readString(length, RdpConstants.CHARSET_16));
                break;
            case MSV_AV_NETBIOS_COMPUTER_NAME:
                System.out.println("AV Netbios Computer name: " + data.readString(length, RdpConstants.CHARSET_16));
                break;
            case MSV_AV_DNS_DOMAIN_NAME:
                System.out.println("AV DNS Domain name: " + data.readString(length, RdpConstants.CHARSET_16));
                break;
            case MSV_AV_DNS_COMPUTER_NAME:
                System.out.println("AV DNS Computer name: " + data.readString(length, RdpConstants.CHARSET_16));
                break;
            case MSV_AV_CHANNEL_BINDINGS:
                System.out.println("AV Channel Bindings: " + data.readBytes(length).toPlainHexString());
                break;
            case MSV_AV_TIMESTAMP:
                System.out.println("AV Timestamp: " + data.readBytes(length).toPlainHexString());
                break;
            case MSV_AV_FLAGS:
                System.out.println("AV Flags: " + data.readBytes(length).toPlainHexString());
                break;
            case MSV_AV_TARGET_NAME:
                System.out.println("AV Target Name: " + data.readString(length, RdpConstants.CHARSET_16));
                break;
            default:
                System.out.println("Unknown NTLM target info attribute: " + type + ". Data: " + data + ".");
        }
        data.unref();
    }
}

Example 33 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientNtlmsspPubKeyAuth method dump.

@Override
public void dump(ByteBuffer buf) {
    buf.rewindCursor();
    TSRequest request = new TSRequest("TSRequest");
    request.readTag(buf);
    System.out.println("TSRequest version: " + request.version.value);
    System.out.println("TSRequest pubKey: " + request.pubKeyAuth.value.toPlainHexString());
    ByteBuffer negoToken = ((NegoItem) request.negoTokens.tags[0]).negoToken.value;
    System.out.println("TSRequest negotoken: " + negoToken.toPlainHexString());
    dumpNegoToken(negoToken);
    negoToken.unref();
}

Example 34 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class AwtRdpKeyboardAdapter method handleData.

@Override
public void handleData(ByteBuffer buf, Link link) {
    if (verbose)
        System.out.println("[" + this + "] INFO: Data received: " + buf + ".");
    KeyOrder order = (KeyOrder) buf.getOrder();
    buf.unref();
    ByteBuffer outBuf = new ByteBuffer(2, true);
    int scanCode = map_en_us(order.event);
    // eventHeader (1 byte): An 8-bit, unsigned integer. The format of this
    // field is the same as the eventHeader byte field described in section
    // 2.2.8.1.2.2. The eventCode bitfield (3 bits in size) MUST be set to
    // FASTPATH_INPUT_EVENT_SCANCODE (0). The eventFlags bitfield (5 bits in
    // size) contains flags describing the keyboard event.
    outBuf.writeByte((scanCode >> 8) | (FASTPATH_INPUT_EVENT_SCANCODE << 5) | ((order.pressed) ? 0 : FASTPATH_INPUT_KBDFLAGS_RELEASE));
    // keyCode (1 byte): An 8-bit, unsigned integer. The scancode of the key
    // which triggered the event.
    outBuf.writeByte(scanCode);
    // Push buffer to one pad only, so it can be modified without copying of
    // data
    pushDataToPad(STDOUT, outBuf);
}

Example 35 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ServerClipRdrChannelRouter method handleData.

@Override
public void handleData(ByteBuffer buf, Link link) {
    if (verbose)
        System.out.println("[" + this + "] INFO: Data received: " + buf + ".");
    // Parse PDU header
    // Example: 07 00 -> CLIPRDR_HEADER::msgType = CB_CLIP_CAPS (7)
    int msgType = buf.readUnsignedShortLE();
    // Example: 00 00 -> CLIPRDR_HEADER::msgFlags = 0
    int msgFlags = buf.readUnsignedShortLE();
    // Example: 10 00 00 00 -> CLIPRDR_HEADER::dataLen = 0x10 = 16 bytes
    long dataLenLong = buf.readSignedIntLE();
    if (dataLenLong > 4 * 1024 * 1024)
        throw new RuntimeException("Clipboard packet is too long. Expected length: less than 4MiB. Actual length: " + dataLenLong + ".");
    int dataLen = (int) dataLenLong;
    ByteBuffer payload = buf.readBytes(dataLen);
    // Parse message flags and store them in the payload metadata
    if ((msgFlags & CB_RESPONSE_OK) == CB_RESPONSE_OK)
        payload.putMetadata("success", true);
    if ((msgFlags & CB_RESPONSE_FAIL) == CB_RESPONSE_FAIL)
        payload.putMetadata(SUCCESS, false);
    if ((msgFlags & CB_ASCII_NAMES) == CB_ASCII_NAMES)
        payload.putMetadata(ASCII_NAMES, true);
    // Push PDU to appropriate handler
    switch(msgType) {
        case CB_MONITOR_READY:
            pushDataToPad("monitor_ready", payload);
            break;
        case CB_FORMAT_LIST:
            pushDataToPad("format_list", payload);
            break;
        case CB_FORMAT_LIST_RESPONSE:
            pushDataToPad("format_list_response", payload);
            break;
        case CB_FORMAT_DATA_REQUEST:
            pushDataToPad("format_data_request", payload);
            break;
        case CB_FORMAT_DATA_RESPONSE:
            pushDataToPad("format_data_response", payload);
            break;
        case CB_TEMP_DIRECTORY:
            throw new RuntimeException("[" + this + "] ERROR: Unexpected clipboard temporary directory PDU received from server. Data: " + buf + ".");
        case CB_CLIP_CAPS:
            pushDataToPad("clipboard_capabilities", payload);
            break;
        case CB_FILECONTENTS_REQUEST:
            pushDataToPad("filecontent_request", payload);
            break;
        case CB_FILECONTENTS_RESPONSE:
            pushDataToPad("filecontent_response", payload);
            break;
        case CB_LOCK_CLIPDATA:
            pushDataToPad("lock_clipdata", payload);
            break;
        case CB_UNLOCK_CLIPDATA:
            pushDataToPad("unlock_clipdata", payload);
            break;
        default:
            throw new RuntimeException("[" + this + "] ERROR: Unknown clipboard PDU message type: " + msgType + ".");
    }
    buf.unref();
}