Example usage for java.net NetworkInterface getByInetAddress

Introduction

In this page you can find the example usage for java.net NetworkInterface getByInetAddress.

Prototype

public static NetworkInterface getByInetAddress(InetAddress addr) throws SocketException 

Source Link

Document

Convenience method to search for a network interface that has the specified Internet Protocol (IP) address bound to it.

Usage

From source file:com.asquareb.kaaval.MachineKey.java

/**
 * Method to encrypt a string. Accepts the string to be encrypted and the
 * name of the file to store the key vale which can be used for decryption
 *///ww  w .java2 s.c o  m
public static String encrypt(String property, String app) throws IOException, KaavalException {

    InetAddress ip = null;
    String ipAddress = null;
    ObjectOutputStream os = null;
    NetworkInterface macAddress = null;
    byte[] macId = null;
    Cipher pbeCipher = null;
    Random rand = new Random();
    rand.nextBytes(salt);
    try {
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
        SecretKey key = keyFactory.generateSecret(new PBEKeySpec(password));
        ip = InetAddress.getLocalHost();
        ipAddress = ip.getHostAddress();
        macAddress = NetworkInterface.getByInetAddress(ip);
        macId = macAddress.getHardwareAddress();
        MachineKey mKey = new MachineKey();
        mKey.api = ipAddress;
        mKey.macad = new String(macId);
        mKey.yek = key;
        mKey.tlas = salt;
        mKey.eti = rand.nextInt(1000);
        os = new ObjectOutputStream(new BufferedOutputStream(new FileOutputStream(app)));
        os.writeObject(mKey);
        os.close();
        pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
        pbeCipher.init(Cipher.ENCRYPT_MODE, key, new PBEParameterSpec(salt, mKey.eti));
        return base64Encode(pbeCipher.doFinal(property.getBytes()));
    } catch (IOException e) {
        throw new KaavalException(1, "Error in key file during encryption", e);
    } catch (Exception e) {
        throw new KaavalException(2, "Errors during encryption", e);
    } finally {
        if (os != null)
            os.close();
    }
}

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From source file:ws.argo.responder.plugin.repeater.mqtt.MqttRepeaterProbeHandlerPlugin.java

private void initializeProbeSender(Properties properties)
        throws UnknownHostException, SocketException, TransportConfigException {
    Transport transport = new MqttSenderTransport();

    NetworkInterface ni = NetworkInterface.getByInetAddress(InetAddress.getLocalHost());
    String macAddr = ni.getHardwareAddress().toString();
    String clientId = "MQTT-Repeater-Client-" + macAddr;

    properties.put("clientId", clientId);

    transport.initialize(properties, "");
    _sender = new ProbeSender(transport);

}

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From source file:com.adito.tunnels.wizards.forms.TunnelDetailsForm.java

public ActionErrors validate(ActionMapping mapping, HttpServletRequest request) {
    if (getResourceName() != null && isCommiting()) {
        ActionErrors errs = super.validate(mapping, request);
        AbstractWizardSequence seq = getWizardSequence(request);

        if (!Util.isNullOrTrimmedBlank(sourceInterface)) {
            /**/*from   w  ww  .j av  a  2 s.co m*/
             * For remote tunnels, the listening interface must be a valid
             * IP address of a network interface on this server
             */
            if (getTunnelType() == TransportType.REMOTE_TUNNEL_ID) {
                if (!sourceInterface.trim().equals("0.0.0.0") && !sourceInterface.trim().equals("127.0.0.2"))
                    try {
                        InetAddress addr = InetAddress.getByName(sourceInterface);
                        NetworkInterface nif = NetworkInterface.getByInetAddress(addr);
                        if (nif == null) {
                            throw new Exception();
                        }
                    } catch (Exception e) {
                        errs.add(Globals.ERROR_KEY, new ActionMessage(
                                "tunnelWizard.tunnelDetails.error.invalidRemoteSourceInterface"));
                    }
            } else {
                /**
                 * For local tunnels, we do not know what will be a valid IP
                 * address until the client is running so all we can do
                 * is validate that it looks like an IP address 
                 */
                if (!IPV4AddressValidator.isIpAddressExpressionValid(sourceInterface)) {
                    errs.add(Globals.ERROR_KEY,
                            new ActionMessage("tunnelWizard.tunnelDetails.error.invalidLocalSourceInterface"));
                }
            }
        }

        try {
            int port = Integer.valueOf(sourcePort).intValue();
            if (port < 0 || port > 65535) {
                throw new IllegalArgumentException();
            }
        } catch (Exception e) {
            errs.add(Globals.ERROR_KEY, new BundleActionMessage(seq.getCurrentPageForm().getResourceBundle(),
                    seq.getCurrentPageForm().getResourcePrefix() + ".error.sourcePortNotInteger"));
        }

        try {
            int port = Integer.valueOf(destinationPort).intValue();
            if (port < 1 || port > 65535) {
                throw new IllegalArgumentException();
            }
        } catch (Exception e) {
            errs.add(Globals.ERROR_KEY, new BundleActionMessage(seq.getCurrentPageForm().getResourceBundle(),
                    seq.getCurrentPageForm().getResourcePrefix() + ".error.destinationPortNotInteger"));
        }

        if (destinationHost == null || destinationHost.equals("")) {
            errs.add(Globals.ERROR_KEY, new BundleActionMessage(seq.getCurrentPageForm().getResourceBundle(),
                    seq.getCurrentPageForm().getResourcePrefix() + ".error.noDestinationHost"));
        } else {
            if (!HostnameOrIPAddressWithReplacementsValidator.isValidAsHostOrIp(destinationHost)) {
                errs.add(Globals.ERROR_KEY, new ActionMessage("tunnelWizard.tunnelDetails.error.invalidHost"));
            }
        }

        if (transport.equals(TransportType.UDP_TUNNEL) && tunnelType == TransportType.REMOTE_TUNNEL_ID) {
            errs.add(Globals.ERROR_KEY, new BundleActionMessage(seq.getCurrentPageForm().getResourceBundle(),
                    seq.getCurrentPageForm().getResourcePrefix() + ".error.remote.udp"));
        }

        return errs;
    }
    return null;
}

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From source file:com.yahoo.gondola.container.Utils.java

/**
 * Check address is on the server/*from  w w  w .java  2 s.  c o  m*/
 */
public static boolean isMyAddress(InetAddress address) {
    // Check if the address is a valid special local or loop back
    if (address.isAnyLocalAddress() || address.isLoopbackAddress()) {
        return true;
    }

    // Check if the address is defined on any interface
    try {
        return NetworkInterface.getByInetAddress(address) != null;
    } catch (SocketException e) {
        return false;
    }
}

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From source file:org.openhab.binding.globalcache.internal.handler.GlobalCacheHandler.java

@Override
public void initialize() {
    logger.debug("Initializing thing {}", thingID());
    try {//  w  ww. jav  a2 s .  c  o m
        ifAddress = InetAddress.getByName(ipv4Address);
        logger.debug("Handler using address {} on network interface {}", ifAddress.getHostAddress(),
                NetworkInterface.getByInetAddress(ifAddress).getName());
    } catch (SocketException e) {
        logger.error("Handler got Socket exception creating multicast socket: {}", e.getMessage());
        markThingOfflineWithError(ThingStatusDetail.OFFLINE.CONFIGURATION_ERROR,
                "No suitable network interface");
        return;
    } catch (UnknownHostException e) {
        logger.error("Handler got UnknownHostException getting local IPv4 network interface: {}",
                e.getMessage());
        markThingOfflineWithError(ThingStatusDetail.OFFLINE.CONFIGURATION_ERROR,
                "No suitable network interface");
        return;
    }
    scheduledFuture = scheduledExecutorService.schedule(commandProcessor, 2, TimeUnit.SECONDS);
}

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From source file:org.apache.nifi.processors.rt.DeviceRegistryReportingTask.java

private NiFiDevice populateNetworkingInfo(NiFiDevice device) {

    InetAddress ip;//  w w  w .j  av  a  2  s .c  o m
    try {

        ip = InetAddress.getLocalHost();

        NetworkInterface network = NetworkInterface.getByInetAddress(ip);

        //Check this isn't null
        if (network == null) {
            //Hail mary to try and get eth0
            getLogger().warn(
                    "Hardcoded getting network interface by ETH0 which could be the incorrect interface but others were null");
            network = NetworkInterface.getByName("eth0");
        }

        byte[] mac = network.getHardwareAddress();

        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < mac.length; i++) {
            sb.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? ":" : ""));
        }

        //Set the values to the device object.
        device.setDeviceId(sb.toString());
        device.setIp(ip.getHostAddress());

        String hostname = InetAddress.getLocalHost().getHostName();
        logger.error("First attempt at getting hostname: " + hostname);
        if (!StringUtils.isEmpty(hostname)) {
            device.setHostname(hostname);
        } else {
            //Try the linux approach ... could fail if hostname(1) system command is not available.
            try {
                Process process = Runtime.getRuntime().exec("hostname");
                InputStream is = process.getInputStream();

                StringWriter writer = new StringWriter();
                IOUtils.copy(is, writer, "UTF-8");
                hostname = writer.toString();
                if (StringUtils.isEmpty(hostname)) {
                    device.setHostname("UNKNOWN");
                } else {
                    device.setHostname(hostname);
                }

            } catch (Exception ex) {
                ex.printStackTrace();
                logger.error("Error attempting to resolve hostname", ex);
            }
        }

    } catch (UnknownHostException e) {
        e.printStackTrace();
        logger.error("Unknown host exception getting hostname", e);
    } catch (SocketException e) {
        e.printStackTrace();
        logger.error("socket exception getting hostname", e);
    }

    return device;
}

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From source file:org.noroomattheinn.visibletesla.App.java

final String getAppID() {
    String appID = "Unidentified";
    try {//  w  w w  . ja  v a  2  s.  co m
        InetAddress ip = InetAddress.getLocalHost();
        NetworkInterface network = NetworkInterface.getByInetAddress(ip);
        if (network != null) {
            byte[] mac = network.getHardwareAddress();
            appID = DigestUtils.sha256Hex(mac);
        }
    } catch (UnknownHostException | SocketException e) {
        logger.warning("Unable to generate an AppID: " + e.getMessage());
    }
    return appID;
}

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From source file:com.asquareb.kaaval.MachineKey.java

/**
 * Method to decrypt a string. Accepts the string to be decrypted and the
 * name of the file which stores the key values
 *//*from  w ww .jav  a  2 s  .c  o m*/
public static String decrypt(String property, String app) throws IOException, KaavalException {
    SecretKey key = null;
    ObjectInputStream is = null;
    MachineKey mKey = null;
    int eti = 0;
    Cipher pbeCipher = null;
    InetAddress ip = InetAddress.getLocalHost();
    NetworkInterface macAddress = NetworkInterface.getByInetAddress(ip);
    byte[] macId = macAddress.getHardwareAddress();
    try {
        is = new ObjectInputStream(new BufferedInputStream(new FileInputStream(app)));
        mKey = (MachineKey) is.readObject();
        key = mKey.yek;
        salt = mKey.tlas;
        eti = mKey.eti;
        String ipa = ip.getHostAddress();
        if (!ipa.equals(mKey.api) || !new String(macId).equals(mKey.macad))
            throw new KaavalException(5, "Key file is not for this machine");
        is.close();
        pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
        pbeCipher.init(Cipher.DECRYPT_MODE, key, new PBEParameterSpec(salt, eti));
        return new String(pbeCipher.doFinal(base64Decode(property)));
    } catch (IOException e) {
        throw new KaavalException(3, "Error in reading key file during decryption", e);
    } catch (KaavalException e) {
        throw e;
    } catch (Exception e) {
        throw new KaavalException(4, "Error during decryption", e);
    } finally {
        if (is != null)
            is.close();
    }
}

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From source file:com.momathink.common.tools.ToolMonitor.java

/**
 * MAC? //from www  . j  a v a2s .c  o  m
 * @return : "00 00 00 00 00 00"
 */
private String getMACAddr() {
    String mac = "";
    try {
        NetworkInterface netInterface = NetworkInterface.getByInetAddress(InetAddress.getLocalHost());
        byte[] macAddr = netInterface.getHardwareAddress();
        String macByte = "";
        // ????
        for (byte b : macAddr) {
            macByte = Integer.toHexString((int) (b & 0xff));
            if (macByte.length() == 1) {
                macByte = "0" + macByte;
            }
            mac = mac + " " + macByte;
        }
    } catch (Exception e) {
    }
    return mac.substring(1);
}

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From source file:org.cocos2dx.lib.CCUtils.java

public static String getMacAddress() {
    String mac = "";
    Context ctx = Cocos2dxActivity.getContext();

    // first, try to get mac from wifi manager
    if (ctx.checkCallingPermission(permission.ACCESS_WIFI_STATE) == PackageManager.PERMISSION_GRANTED) {
        WifiManager wifi = (WifiManager) ctx.getSystemService(Context.WIFI_SERVICE);
        WifiInfo info = wifi.getConnectionInfo();
        mac = info.getMacAddress();//from  ww w .  j  av a 2 s .  c o m
    }

    // if failed, try from network interface api
    if (TextUtils.isEmpty(mac)) {
        if (Build.VERSION.SDK_INT >= 9) {
            try {
                NetworkInterface ne = NetworkInterface
                        .getByInetAddress(InetAddress.getByName(getLocalIpAddress()));
                byte[] b = ne.getHardwareAddress();
                mac = byte2Hex(b);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    // if failed, use fake
    if (TextUtils.isEmpty(mac)) {
        mac = "00:00:00:00:00:00";
    }

    // return
    return mac;
}

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