*
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString () {
        return "Kerb5Authenticatior[subject=" + ( this.getSubject() != null ? this.getSubject().getPrincipals() : null ) + ",user=" + this.user
                + ",realm=" + this.realm + "]";
    }


    private SpnegoContext createContext ( CIFSContext tc, String targetDomain, String host ) throws GSSException {

        if (type == SID.SID_TYPE_DOM_GRP || type == SID.SID_TYPE_ALIAS) {
            try {
                final SID[] children = sid.getGroupMemberSids(file.getServer(), (NtlmPasswordAuthentication) file.getPrincipal(),
                        SID.SID_FLAG_RESOLVE_SIDS);
                for (final SID child : children) {
                    if (!sidSet.contains(child)) {
                        processAllowedSIDs(file, child, sidSet);

            SID[] sids = new SID[rpc.sids.num_sids];

            String origin_server = handle.getServer();
            NtlmPasswordAuthentication origin_auth =
                        (NtlmPasswordAuthentication)handle.getPrincipal();

            for (int i = 0; i < sids.length; i++) {
                sids[i] = new SID(rpc.sids.sids[i].sid,
                            0,
                            null,
                            null,