ACB_ENC_TXT_PWD_ALLOWED    = 0x00000800, /* 1 = Encryped text password is allowed */
		ACB_SMARTCARD_REQUIRED     = 0x00001000, /* 1 = Smart Card required */
		ACB_TRUSTED_FOR_DELEGATION = 0x00002000, /* 1 = Trusted for Delegation */
		ACB_NOT_DELEGATED          = 0x00004000, /* 1 = Not delegated */
		ACB_USE_DES_KEY_ONLY       = 0x00008000, /* 1 = Use DES key only */

        Set<FileEntry> set = new HashSet<>();

        if ( tc.getDfs().isTrustedDomain(tc, locator.getServer()) ) {
            /*
             * The server name is actually the name of a trusted
             * domain. Add DFS roots to the list.
             */
            try {
                entries = doDfsRootEnum(tc, locator, locator.getAddress());

/**
 * This is an internal API.
 * 
 * @author mbechler
 * @internal
 */
public interface DfsResolver {

    /**
     * @param domain
     * @param tf
     * @return whether the given domain is trusted
     * @throws CIFSException
     * @throws jcifs.smb.SmbAuthException
     */
    boolean isTrustedDomain ( CIFSContext tf, String domain ) throws CIFSException;


    /**

		ACB_ENC_TXT_PWD_ALLOWED    = 0x00000800, /* 1 = Encryped text password is allowed */
		ACB_SMARTCARD_REQUIRED     = 0x00001000, /* 1 = Smart Card required */
		ACB_TRUSTED_FOR_DELEGATION = 0x00002000, /* 1 = Trusted for Delegation */
		ACB_NOT_DELEGATED          = 0x00004000, /* 1 = Not delegated */
		ACB_USE_DES_KEY_ONLY       = 0x00008000, /* 1 = Use DES key only */

    private CacheEntry<Map<String, CacheEntry<DfsReferralDataInternal>>> _domains = null; /*
                                                                                           * aka trusted domains cache
                                                                                           */
    private final Object domainsLock = new Object();

    public static final int NT_STATUS_LOGON_TYPE_NOT_GRANTED = 0xC000015b;
    public static final int NT_STATUS_NO_TRUST_SAM_ACCOUNT = 0xC000018b;
    public static final int NT_STATUS_TRUSTED_DOMAIN_FAILURE = 0xC000018c;
    public static final int NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT = 0xC0000199;
    public static final int NT_STATUS_PASSWORD_MUST_CHANGE = 0xC0000224;

    public static final int ACB_AUTOLOCK = 1024;
    public static final int ACB_ENC_TXT_PWD_ALLOWED = 2048;
    public static final int ACB_SMARTCARD_REQUIRED = 4096;
    public static final int ACB_TRUSTED_FOR_DELEGATION = 8192;
    public static final int ACB_NOT_DELEGATED = 16384;
    public static final int ACB_USE_DES_KEY_ONLY = 32768;
    public static final int ACB_DONT_REQUIRE_PREAUTH = 65536;

    public static final int NT_STATUS_LOGON_TYPE_NOT_GRANTED = 0xC000015b;
    public static final int NT_STATUS_NO_TRUST_SAM_ACCOUNT = 0xC000018b;
    public static final int NT_STATUS_TRUSTED_DOMAIN_FAILURE = 0xC000018c;
    public static final int NT_STATUS_TRUSTED_RELATIONSHIP_FAILURE = 0xC000018d;
    public static final int NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT = 0xC0000199;
    public static final int NT_STATUS_PASSWORD_MUST_CHANGE = 0xC0000224;

    static final boolean DISABLED = Config.getBoolean("jcifs.smb1.smb.client.dfs.disabled", false);

    protected static CacheEntry FALSE_ENTRY = new Dfs.CacheEntry(0L);

    protected CacheEntry _domains = null; /* aka trusted domains cache */
    protected CacheEntry referrals = null;

    public HashMap getTrustedDomains(NtlmPasswordAuthentication auth) throws SmbAuthException {
        if (DISABLED || auth.domain == "?")
            return null;

        case NtStatus.NT_STATUS_PASSWORD_EXPIRED:
        case NtStatus.NT_STATUS_ACCOUNT_DISABLED:
        case NtStatus.NT_STATUS_ACCOUNT_LOCKED_OUT:
        case NtStatus.NT_STATUS_TRUSTED_DOMAIN_FAILURE:
            throw new SmbAuthException(resp.getErrorCode());
        case 0xC00000BB: // NT_STATUS_NOT_SUPPORTED
            throw new SmbUnsupportedOperationException();