@Override
    public String getDomainName () {
        if ( this.origin_server != null )
            resolveWeak();
        if ( this.type == SID_TYPE_UNKNOWN ) {
            String full = toString();
            return full.substring(0, full.length() - getAccountName().length() - 1);
        }
        return this.domainName;
    }


    @Override
    public String getAccountName () {

 * 
 * Uses a subject that contains kerberos credentials for use in GSSAPI context establishment.
 * 
 * Be advised that short/NetBIOS name usage is not supported with this authenticator. Always specify full FQDNs.
 * This can be a problem if using DFS in it's default configuration as they still return referrals in short form.
 * See <a href="https://support.microsoft.com/en-us/kb/244380">KB-244380</a> for compatible server configuration.

     */
    public String getDomainName() {
        if (origin_server != null)
            resolveWeak();
        if (type == SID_TYPE_UNKNOWN) {
            String full = toString();
            return full.substring(0, full.length() - getAccountName().length() - 1);
        }
        return domainName;
    }

    /**
     * Return the sAMAccountName of this SID unless it could not

            if ( this.isDfs() && !"IPC".equals(svc) && !"IPC$".equals(this.share) && request instanceof RequestWithPath ) {
                /*
                 * When DFS is in action all request paths are
                 * full UNC paths minus the first backslash like
                 * \server\share\path\to\file
                 * as opposed to normally
                 * \path\to\file
                 */

                    if ( dr != null ) {
                        if ( log.isDebugEnabled() ) {
                            log.debug(String.format("Need to adjust request path %s (full: %s) -> %s", rpath, rfullpath, dr));
                        }
                        String dunc = loc.handleDFSReferral(dr, rpath);
                        if ( request != null ) {

    public static final int NT_STATUS_NONE_MAPPED = 0xC0000073;
    public static final int NT_STATUS_INVALID_SID = 0xC0000078;
    public static final int NT_STATUS_DISK_FULL = 0xC000007f;
    public static final int NT_STATUS_INSTANCE_NOT_AVAILABLE = 0xC00000ab;
    public static final int NT_STATUS_PIPE_NOT_AVAILABLE = 0xC00000ac;
    public static final int NT_STATUS_INVALID_PIPE_STATE = 0xC00000ad;