11.16Schristos/* $NetBSD: yp_master.c,v 1.16 2024/01/03 18:41:53 christos Exp $ */ 21.1Sjtc 31.1Sjtc/* 41.1Sjtc * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@fsa.ca> 51.1Sjtc * All rights reserved. 61.1Sjtc * 71.1Sjtc * Redistribution and use in source and binary forms, with or without 81.1Sjtc * modification, are permitted provided that the following conditions 91.1Sjtc * are met: 101.1Sjtc * 1. Redistributions of source code must retain the above copyright 111.1Sjtc * notice, this list of conditions and the following disclaimer. 121.1Sjtc * 2. Redistributions in binary form must reproduce the above copyright 131.1Sjtc * notice, this list of conditions and the following disclaimer in the 141.1Sjtc * documentation and/or other materials provided with the distribution. 151.1Sjtc * 161.1Sjtc * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 171.1Sjtc * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 181.1Sjtc * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 191.1Sjtc * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 201.1Sjtc * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 211.1Sjtc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 221.1Sjtc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 231.1Sjtc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 241.1Sjtc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 251.1Sjtc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 261.1Sjtc * SUCH DAMAGE. 271.1Sjtc */ 281.1Sjtc 291.7Schristos#include <sys/cdefs.h> 301.1Sjtc#if defined(LIBC_SCCS) && !defined(lint) 311.16Schristos__RCSID("$NetBSD: yp_master.c,v 1.16 2024/01/03 18:41:53 christos Exp $"); 321.1Sjtc#endif 331.1Sjtc 341.8Sjtc#include "namespace.h" 351.1Sjtc#include <string.h> 361.7Schristos#include <stdlib.h> 371.1Sjtc#include <rpc/rpc.h> 381.1Sjtc#include <rpcsvc/yp_prot.h> 391.1Sjtc#include <rpcsvc/ypclnt.h> 401.7Schristos#include "local.h" 411.1Sjtc 421.8Sjtc#ifdef __weak_alias 431.11Smycroft__weak_alias(yp_master,_yp_master) 441.8Sjtc#endif 451.8Sjtc 461.1Sjtcint 471.15Sabsyp_master(const char *indomain, const char *inmap, char **outname) 481.1Sjtc{ 491.1Sjtc struct dom_binding *ysd; 501.1Sjtc struct ypresp_master yprm; 511.1Sjtc struct ypreq_nokey yprnk; 521.3Schristos int r, nerrs = 0; 531.1Sjtc 541.4Slukem if (outname == NULL) 551.4Slukem return YPERR_BADARGS; 561.4Slukem *outname = NULL; 571.4Slukem 581.6Slukem if (_yp_invalid_domain(indomain)) 591.2Sjtc return YPERR_BADARGS; 601.2Sjtc if (inmap == NULL || *inmap == '\0' 611.2Sjtc || strlen(inmap) > YPMAXMAP) 621.2Sjtc return YPERR_BADARGS; 631.2Sjtc 641.1Sjtcagain: 651.1Sjtc if (_yp_dobind(indomain, &ysd) != 0) 661.1Sjtc return YPERR_DOMAIN; 671.1Sjtc 681.1Sjtc yprnk.domain = indomain; 691.1Sjtc yprnk.map = inmap; 701.1Sjtc 711.1Sjtc (void)memset(&yprm, 0, sizeof yprm); 721.1Sjtc 731.12Schristos r = clnt_call(ysd->dom_client, (rpcproc_t)YPPROC_MASTER, 741.10Schristos (xdrproc_t)xdr_ypreq_nokey, &yprnk, 751.10Schristos (xdrproc_t)xdr_ypresp_master, &yprm, _yplib_timeout); 761.1Sjtc if (r != RPC_SUCCESS) { 771.14Schristos if (_yplib_bindtries <= 0 && ++nerrs == _yplib_nerrs) { 781.3Schristos clnt_perror(ysd->dom_client, "yp_master: clnt_call"); 791.3Schristos nerrs = 0; 801.14Schristos } else if (_yplib_bindtries > 0 && ++nerrs == _yplib_bindtries) 811.14Schristos return YPERR_YPSERV; 821.1Sjtc ysd->dom_vers = -1; 831.1Sjtc goto again; 841.1Sjtc } 851.1Sjtc if (!(r = ypprot_err(yprm.status))) { 861.1Sjtc if ((*outname = strdup(yprm.master)) == NULL) 871.2Sjtc r = YPERR_RESRC; 881.1Sjtc } 891.10Schristos xdr_free((xdrproc_t)xdr_ypresp_master, (char *)(void *)&yprm); 901.8Sjtc __yp_unbind(ysd); 911.5Slukem if (r != 0) { 921.5Slukem if (*outname) { 931.5Slukem free(*outname); 941.5Slukem *outname = NULL; 951.5Slukem } 961.5Slukem } 971.1Sjtc return r; 981.1Sjtc} 99