1 /* $NetBSD: yp_order.c,v 1.14 2012/06/25 22:32:46 abs 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 1.14 2012/06/25 22:32:46 abs 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 extern int _yplib_bindtries; 44 45 #ifdef __weak_alias 46 __weak_alias(yp_order,_yp_order) 47 #endif 48 49 int 50 yp_order(const char *indomain, const char *inmap, int *outorder) 51 { 52 struct dom_binding *ysd; 53 struct ypresp_order ypro; 54 struct ypreq_nokey yprnk; 55 int r, nerrs = 0; 56 57 if (_yp_invalid_domain(indomain)) 58 return YPERR_BADARGS; 59 if (inmap == NULL || *inmap == '\0' 60 || strlen(inmap) > YPMAXMAP) 61 return YPERR_BADARGS; 62 if (outorder == NULL) 63 return YPERR_BADARGS; 64 65 again: 66 if (_yp_dobind(indomain, &ysd) != 0) 67 return YPERR_DOMAIN; 68 69 yprnk.domain = indomain; 70 yprnk.map = inmap; 71 72 (void)memset(&ypro, 0, sizeof ypro); 73 74 r = clnt_call(ysd->dom_client, (rpcproc_t)YPPROC_ORDER, 75 (xdrproc_t)xdr_ypreq_nokey, &yprnk, 76 (xdrproc_t)xdr_ypresp_order, &ypro, 77 _yplib_timeout); 78 if (r != RPC_SUCCESS) { 79 if (_yplib_bindtries <= 0 && ++nerrs == _yplib_nerrs) { 80 clnt_perror(ysd->dom_client, "yp_order: clnt_call"); 81 nerrs = 0; 82 } else if (_yplib_bindtries > 0 && ++nerrs == _yplib_bindtries) 83 return YPERR_YPSERV; 84 if (r == RPC_PROCUNAVAIL) { 85 /* Case of NIS+ server in NIS compat mode */ 86 r = YPERR_YPERR; 87 goto bail; 88 } 89 ysd->dom_vers = -1; 90 goto again; 91 } 92 *outorder = ypro.ordernum; 93 xdr_free((xdrproc_t)xdr_ypresp_order, (char *)(void *)&ypro); 94 r = ypprot_err(ypro.status); 95 bail: 96 __yp_unbind(ysd); 97 return r; 98 } 99