libnsl/yp/yp_order.c

	yp_order.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*  Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/*    All Rights Reserved   */

/*
 * Portions of this source code were derived from Berkeley
 * under license from the Regents of the University of
 * California.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#define NULL 0
#include <rpc/rpc.h>
#include "yp_b.h"
#include <rpcsvc/yp_prot.h>
#include <rpcsvc/ypclnt.h>
#include <sys/types.h>
#include <rpc/trace.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>

static int doorder(char *, char *, struct dom_binding *, struct timeval,
    unsigned long *);


/*
 * This checks parameters, and implements the outer "until binding success"
 * loop.
 */
int
yp_order (domain, map, order)
    char *domain;
    char *map;
    unsigned long *order;
{
    size_t domlen;
    size_t maplen;
    int reason;
    struct dom_binding *pdomb;

    trace1(TR_yp_order, 0);
    if ((map == NULL) || (domain == NULL)) {
        trace1(TR_yp_order, 1);
        return (YPERR_BADARGS);
    }

    domlen = strlen(domain);
    maplen = strlen(map);

    if ((domlen == 0) || (domlen > YPMAXDOMAIN) ||
        (maplen == 0) || (maplen > YPMAXMAP) ||
        (order == NULL)) {
        trace1(TR_yp_order, 1);
        return (YPERR_BADARGS);
    }

    for (;;) {

        if (reason = __yp_dobind(domain, &pdomb)) {
            trace1(TR_yp_order, 1);
            return (reason);
        }

        if (pdomb->dom_binding->ypbind_hi_vers >= YPVERS) {

            reason = doorder(domain, map, pdomb, _ypserv_timeout,
                order);

            __yp_rel_binding(pdomb);
            if (reason == YPERR_RPC) {
                yp_unbind(domain);
                (void) _sleep(_ypsleeptime);
            } else {
                break;
            }
        } else {
            __yp_rel_binding(pdomb);
            trace1(TR_yp_order, 1);
            return (YPERR_VERS);
        }
    }

    trace1(TR_yp_order, 1);
    return (reason);

}

/*
 * This talks v3 to ypserv
 */
static int
doorder (domain, map, pdomb, timeout, order)
    char *domain;
    char *map;
    struct dom_binding *pdomb;
    struct timeval timeout;
    unsigned long *order;
{
    struct ypreq_nokey req;
    struct ypresp_order resp;
    unsigned int retval = 0;

    trace1(TR_doorder, 0);
    req.domain = domain;
    req.map = map;
    (void) memset((char *)&resp, 0, sizeof (struct ypresp_order));

    /*
     * Do the get_order request.  If the rpc call failed, return with
     * status from this point.
     */

    if (clnt_call(pdomb->dom_client, YPPROC_ORDER,
            (xdrproc_t)xdr_ypreq_nokey,
            (char *)&req, (xdrproc_t) xdr_ypresp_order, (char *)&resp,
            timeout) != RPC_SUCCESS) {
        trace1(TR_doorder, 1);
        return (YPERR_RPC);
    }

    /* See if the request succeeded */

    if (resp.status != YP_TRUE) {
        retval = ypprot_err(resp.status);
    }

    *order = (unsigned long)resp.ordernum;
    CLNT_FREERES(pdomb->dom_client,
        (xdrproc_t)xdr_ypresp_order, (char *)&resp);
    trace1(TR_doorder, 1);
    return (retval);

}