1 /* $NetBSD: yp_order.c,v 1.13 2012/03/02 17:27:49 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 1.13 2012/03/02 17:27:49 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 extern int _yplib_bindtries; 44 45 #ifdef __weak_alias 46 __weak_alias(yp_order,_yp_order) 47 #endif 48 49 int 50 yp_order(indomain, inmap, outorder) 51 const char *indomain; 52 const char *inmap; 53 int *outorder; 54 { 55 struct dom_binding *ysd; 56 struct ypresp_order ypro; 57 struct ypreq_nokey yprnk; 58 int r, nerrs = 0; 59 60 if (_yp_invalid_domain(indomain)) 61 return YPERR_BADARGS; 62 if (inmap == NULL || *inmap == '\0' 63 || strlen(inmap) > YPMAXMAP) 64 return YPERR_BADARGS; 65 if (outorder == NULL) 66 return YPERR_BADARGS; 67 68 again: 69 if (_yp_dobind(indomain, &ysd) != 0) 70 return YPERR_DOMAIN; 71 72 yprnk.domain = indomain; 73 yprnk.map = inmap; 74 75 (void)memset(&ypro, 0, sizeof ypro); 76 77 r = clnt_call(ysd->dom_client, (rpcproc_t)YPPROC_ORDER, 78 (xdrproc_t)xdr_ypreq_nokey, &yprnk, 79 (xdrproc_t)xdr_ypresp_order, &ypro, 80 _yplib_timeout); 81 if (r != RPC_SUCCESS) { 82 if (_yplib_bindtries <= 0 && ++nerrs == _yplib_nerrs) { 83 clnt_perror(ysd->dom_client, "yp_order: clnt_call"); 84 nerrs = 0; 85 } else if (_yplib_bindtries > 0 && ++nerrs == _yplib_bindtries) 86 return YPERR_YPSERV; 87 if (r == RPC_PROCUNAVAIL) { 88 /* Case of NIS+ server in NIS compat mode */ 89 r = YPERR_YPERR; 90 goto bail; 91 } 92 ysd->dom_vers = -1; 93 goto again; 94 } 95 *outorder = ypro.ordernum; 96 xdr_free((xdrproc_t)xdr_ypresp_order, (char *)(void *)&ypro); 97 r = ypprot_err(ypro.status); 98 bail: 99 __yp_unbind(ysd); 100 return r; 101 } 102