}
            catch ( IOException e ) {
                throw new CIFSException("Failed to get SID from server", e);
            }
        }
    }


    @Override
    public SID[] getGroupMemberSids ( CIFSContext tc, String authorityServerName, jcifs.SID domsid, int rid, int flags ) throws CIFSException {
        lsarpc.LsarSidArray sidarray = new lsarpc.LsarSidArray();
        MsrpcGetMembersInAlias rpc = null;

     * @throws IOException
     */
    public jcifs.SID[] getGroupMemberSids ( String authorityServerName, CIFSContext tc, int flags ) throws IOException {
        if ( this.type != SID_TYPE_DOM_GRP && this.type != SID_TYPE_ALIAS )
            return new SID[0];

        return tc.getSIDResolver().getGroupMemberSids(tc, authorityServerName, getDomainSid(), getRid(), flags);
    }


    /**

        if (type == SID.SID_TYPE_DOM_GRP || type == SID.SID_TYPE_ALIAS) {
            try {
                final CIFSContext context = file.getContext();
                final SID[] children = context.getSIDResolver().getGroupMemberSids(context, file.getServer(), sid.getDomainSid(),
                        sid.getRid(), jcifs.smb.SID.SID_FLAG_RESOLVE_SIDS);
                for (final SID child : children) {
                    if (!sidSet.contains(child)) {

     * @param tc
     * @param authorityServerName
     * @param domsid
     * @param rid
     * @param flags
     * @return the SIDs of the group members
     * @throws CIFSException
     */
    SID[] getGroupMemberSids ( CIFSContext tc, String authorityServerName, SID domsid, int rid, int flags ) throws CIFSException;


    /**
     * @param authorityServerName
     * @param tc
     * @return the server's SID

        }
        final int type = sid.getType();
        sidSet.add(sid);
        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)) {

            }
            return sids;
        } finally {
            if (aliasHandle != null) {
                aliasHandle.close();
            }
        }
    }

    public SID[] getGroupMemberSids(String authorityServerName,
                    NtlmPasswordAuthentication auth,
                    int flags) throws IOException {
        if (type != SID_TYPE_DOM_GRP && type != SID_TYPE_ALIAS)