/* * Copyright (c) 1992, 1993 Theo de Raadt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #if defined(LIBC_SCCS) && !defined(lint) static char *rcsid = "$OpenBSD: yp_master.c,v 1.7 2003/06/02 03:48:42 deraadt Exp $"; #endif /* LIBC_SCCS and not lint */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ypinternal.h" int yp_master(const char *indomain, const char *inmap, char **outname) { struct dom_binding *ysd; struct ypresp_master yprm; struct ypreq_nokey yprnk; struct timeval tv; int tries = 0, r; if (indomain == NULL || *indomain == '\0' || strlen(indomain) > YPMAXDOMAIN || inmap == NULL || *inmap == '\0' || strlen(inmap) > YPMAXMAP || outname == NULL) return YPERR_BADARGS; again: if (_yp_dobind(indomain, &ysd) != 0) return YPERR_DOMAIN; tv.tv_sec = _yplib_timeout; tv.tv_usec = 0; yprnk.domain = (char *)indomain; yprnk.map = (char *)inmap; (void)memset(&yprm, 0, sizeof yprm); r = clnt_call(ysd->dom_client, YPPROC_MASTER, xdr_ypreq_nokey, &yprnk, xdr_ypresp_master, &yprm, tv); if (r != RPC_SUCCESS) { if (tries++) clnt_perror(ysd->dom_client, "yp_master: clnt_call"); ysd->dom_vers = -1; goto again; } if (!(r = ypprot_err(yprm.stat))) { if ((*outname = strdup(yprm.peer)) == NULL) r = YPERR_RESRC; } xdr_free(xdr_ypresp_master, (char *) &yprm); _yp_unbind(ysd); return r; }