/*      $OpenBSD: yp_order.c,v 1.11 2022/08/02 16:59:30 deraadt Exp $ */
/*
 * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/types.h>
#include <string.h>
#include <limits.h>
#include <rpc/rpc.h>
#include <rpc/xdr.h>
#include <rpcsvc/yp.h>
#include <rpcsvc/ypclnt.h>
#include "ypinternal.h"

int
yp_order(const char *indomain, const char *inmap, int *outorder)
{
        struct dom_binding *ysd;
        struct ypresp_order ypro;
        struct ypreq_nokey yprnk;
        struct timeval  tv;
        int             r = 0;

        if (indomain == NULL || *indomain == '\0' ||
            strlen(indomain) > YPMAXDOMAIN || inmap == NULL ||
            *inmap == '\0' || strlen(inmap) > YPMAXMAP || outorder == NULL)
                return YPERR_BADARGS;

again:
        if (_yp_dobind(indomain, &ysd) != 0)
                return YPERR_DOMAIN;

        tv.tv_sec = _yplib_timeout;
        tv.tv_usec = 0;

        yprnk.domain = (char *)indomain;
        yprnk.map = (char *)inmap;

        (void)memset(&ypro, 0, sizeof ypro);

        r = clnt_call(ysd->dom_client, YPPROC_ORDER,
            xdr_ypreq_nokey, &yprnk, xdr_ypresp_order, &ypro, tv);
        /*
         * XXX
         * NIS+ YP emulation package does not implement YPPROC_ORDER
         */
        if (r == RPC_PROCUNAVAIL) {
                r = YPERR_YPERR;
                goto bail;
        }
        if (r != RPC_SUCCESS) {
                clnt_perror(ysd->dom_client, "yp_order: clnt_call");
                _yp_unbind(ysd);
                goto again;
        }
        *outorder = ypro.ordernum;
        xdr_free(xdr_ypresp_order, (char *) &ypro);
        r = ypprot_err(ypro.stat);
bail:
        _yp_unbind(ysd);
        return r;
}