lib/libc/yp/yp_order.c

   1 /*      $NetBSD: yp_order.c,v 1.11 2000/07/06 03:14:05 christos Exp $    */
   2
   3 /*
   4  * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@fsa.ca>
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  17  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  20  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 #if defined(LIBC_SCCS) && !defined(lint)
  31 __RCSID("$NetBSD: yp_order.c,v 1.11 2000/07/06 03:14:05 christos Exp $");
  32 #endif
  33
  34 #include "namespace.h"
  35 #include <string.h>
  36 #include <rpc/rpc.h>
  37 #include <rpcsvc/yp_prot.h>
  38 #include <rpcsvc/ypclnt.h>
  39 #include "local.h"
  40
  41 extern struct timeval _yplib_timeout;
  42 extern int _yplib_nerrs;
  43
  44 #ifdef __weak_alias
  45 __weak_alias(yp_order,_yp_order)
  46 #endif
  47
  48 int
  49 yp_order(indomain, inmap, outorder)
  50         const char     *indomain;
  51         const char     *inmap;
  52         int            *outorder;
  53 {
  54         struct dom_binding *ysd;
  55         struct ypresp_order ypro;
  56         struct ypreq_nokey yprnk;
  57         int r, nerrs = 0;
  58
  59         if (_yp_invalid_domain(indomain))
  60                 return YPERR_BADARGS;
  61         if (inmap == NULL || *inmap == '\0'
  62             || strlen(inmap) > YPMAXMAP)
  63                 return YPERR_BADARGS;
  64         if (outorder == NULL)
  65                 return YPERR_BADARGS;
  66
  67 again:
  68         if (_yp_dobind(indomain, &ysd) != 0)
  69                 return YPERR_DOMAIN;
  70
  71         yprnk.domain = indomain;
  72         yprnk.map = inmap;
  73
  74         (void)memset(&ypro, 0, sizeof ypro);
  75
  76         r = clnt_call(ysd->dom_client, (rpcproc_t)YPPROC_ORDER,
  77                       (xdrproc_t)xdr_ypreq_nokey, &yprnk,
  78                       (xdrproc_t)xdr_ypresp_order, &ypro,
  79                       _yplib_timeout);
  80         if (r != RPC_SUCCESS) {
  81                 if (++nerrs == _yplib_nerrs) {
  82                         clnt_perror(ysd->dom_client, "yp_order: clnt_call");
  83                         nerrs = 0;
  84                 }
  85                 if (r == RPC_PROCUNAVAIL) {
  86                         /* Case of NIS+ server in NIS compat mode */
  87                         r = YPERR_YPERR;
  88                         goto bail;
  89                 }
  90                 ysd->dom_vers = -1;
  91                 goto again;
  92         }
  93         *outorder = ypro.ordernum;
  94         xdr_free((xdrproc_t)xdr_ypresp_order, (char *)(void *)&ypro);
  95         r = ypprot_err(ypro.status);
  96 bail:
  97         __yp_unbind(ysd);
  98         return r;
  99 }