/*
 * This is a special name that means all hosts. If you wish to find all hosts
 * on a network querying a workgroup group name is the preferred method.
 */ 

    static final String ANY_HOSTS_NAME = "*\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000";

/** 
 * This is a special name for querying the master browser that serves the
 * list of hosts found in "Network Neighborhood".
 */ 

 * @since jcifs-0.1
 */

public final class NbtAddress implements NetbiosAddress {

    /**
     * This is a special name that means all hosts. If you wish to find all hosts
     * on a network querying a workgroup group name is the preferred method.
     */
    public static final String ANY_HOSTS_NAME = "*\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000";

    /**

            case 8: // Kerberos Time
                // DERGeneralizedTime derTime = KerberosUtil.readAs(tagged,
                // DERGeneralizedTime.class);
                break;
            case 9: // Host Addresses
                ASN1Sequence adressesSequence = ASN1Util.as(ASN1Sequence.class, tagged);
                Enumeration<?> adresses = adressesSequence.getObjects();
                while ( adresses.hasMoreElements() ) {

     *      byte[], boolean)
     */
    @Override
    public SSPContext createContext ( CIFSContext tc, String targetDomain, String host, byte[] initialToken, boolean doSigning ) throws SmbException {
        if ( host.indexOf('.') < 0 && host.toUpperCase(Locale.ROOT).equals(host) ) {
            // this is not too good, probably should better pass the address and check that it is a netbios one.

        int domainLength = domain.length;
        byte[] server = new byte[0];
        String host = tc.getNameServiceClient().getLocalHost().getHostName();
        if ( host != null ) {
            try {
                server = host.getBytes(UNI_ENCODING);
            }
            catch ( IOException ex ) {
                log.debug("Failed to get host bytes", ex);
            }
        }
        int serverLength = server.length;

    Kerb5Context ( String host, String service, String name, int userLifetime, int contextLifetime, String realm ) throws GSSException {
        GSSManager manager = GSSManager.getInstance();
        GSSCredential clientCreds = null;
        Oid mechOid = JGSS_KRB5_MECH_OID;
        if ( realm != null ) {
            this.serviceName = manager.createName(service + "/" + host + "@" + realm, JGSS_KRB5_NAME_OID, mechOid);
        }

    
        Sem sem;
        String host, scope;
        int type;
        NbtAddress ans = null;
        InetAddress svr;
        UnknownHostException uhe;
    
        QueryThread( Sem sem, String host, int type,
                        String scope, InetAddress svr ) {
            super( "JCIFS-QueryThread: " + host );
            this.sem = sem;
            this.host = host;
            this.type = type;

        NodeStatusRequest request;
        NodeStatusResponse response;

        response = new NodeStatusResponse( addr );
        request = new NodeStatusRequest(
                            new Name( NbtAddress.ANY_HOSTS_NAME, 0x00, null));
        request.addr = addr.getInetAddress();

        n = RETRY_COUNT;
        while( n-- > 0 ) {
            try {
                send( request, response, RETRY_TIMEOUT );

    public NbtAddress getNbtByName ( String host ) throws UnknownHostException {
        return getNbtByName(host, 0x00, null);
    }


    @Override
    public NbtAddress getNbtByName ( String host, int type, String scope ) throws UnknownHostException {
        return getNbtByName(host, type, scope, null);
    }


    @Override

        return new SpnegoContext(tc.getConfig(), setupTargetName(tc, host, new NtlmContext(tc, this, doSigning)));
    }


    private static SSPContext setupTargetName ( CIFSContext tc, String host, NtlmContext ntlmContext ) {
        if ( host != null && tc.getConfig().isSendNTLMTargetName() ) {
            ntlmContext.setTargetName(String.format("cifs/%s", host));
        }
        return ntlmContext;
    }