1286610Saraujo/* $OpenBSD: ypset.c,v 1.20 2015/01/16 06:40:23 deraadt Exp $ */ 2286610Saraujo/* $NetBSD: ypset.c,v 1.8 1996/05/13 02:46:33 thorpej Exp $ */ 3286610Saraujo 41929Swollman/* 5286610Saraujo * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com> 61929Swollman * All rights reserved. 71929Swollman * 81929Swollman * Redistribution and use in source and binary forms, with or without 91929Swollman * modification, are permitted provided that the following conditions 101929Swollman * are met: 111929Swollman * 1. Redistributions of source code must retain the above copyright 121929Swollman * notice, this list of conditions and the following disclaimer. 131929Swollman * 2. Redistributions in binary form must reproduce the above copyright 141929Swollman * notice, this list of conditions and the following disclaimer in the 151929Swollman * documentation and/or other materials provided with the distribution. 161929Swollman * 171929Swollman * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 181929Swollman * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 191929Swollman * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201929Swollman * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 211929Swollman * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221929Swollman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231929Swollman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241929Swollman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251929Swollman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261929Swollman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271929Swollman * SUCH DAMAGE. 281929Swollman */ 291929Swollman 30114601Sobrien#include <sys/cdefs.h> 31114601Sobrien__FBSDID("$FreeBSD: releng/11.0/usr.sbin/ypset/ypset.c 286611 2015-08-11 01:45:17Z araujo $"); 321929Swollman 33286610Saraujo#include <sys/param.h> 34286610Saraujo#include <sys/types.h> 35286610Saraujo#include <sys/socket.h> 36286610Saraujo 3730828Scharnier#include <err.h> 3830828Scharnier#include <netdb.h> 3930828Scharnier#include <stdio.h> 40116010Simp#include <stdlib.h> 4130828Scharnier#include <string.h> 4230828Scharnier#include <unistd.h> 43286610Saraujo 441929Swollman#include <rpc/rpc.h> 451929Swollman#include <rpc/xdr.h> 4612862Swpaul#include <rpcsvc/yp.h> 471929Swollman#include <rpcsvc/ypclnt.h> 481929Swollman#include <arpa/inet.h> 491929Swollman 5030828Scharnierstatic void 5190298Sdesusage(void) 521929Swollman{ 53286610Saraujo fprintf(stderr, "usage: ypset [-d domain] [-h host] server\n"); 541929Swollman exit(1); 551929Swollman} 561929Swollman 57286610Saraujostatic int 5890298Sdesbind_tohost(struct sockaddr_in *sin, char *dom, char *server) 591929Swollman{ 601929Swollman struct ypbind_setdom ypsd; 61286610Saraujo struct in_addr iaddr; 62286610Saraujo struct hostent *hp; 631929Swollman struct timeval tv; 641929Swollman CLIENT *client; 65286610Saraujo int sock, port, r; 668857Srgrimes 67286610Saraujo port = getrpcport(server, YPPROG, YPPROC_NULL, IPPROTO_UDP); 68286610Saraujo if (port == 0) 6930828Scharnier errx(1, "%s not running ypserv", server); 70286610Saraujo port = htons(port); 711929Swollman 72286610Saraujo memset(&ypsd, 0, sizeof ypsd); 731929Swollman 74286610Saraujo if (inet_aton(server, &iaddr) == 0) { 75286610Saraujo hp = gethostbyname(server); 76286610Saraujo if (hp == NULL) 77286610Saraujo errx(1, "can't find address for %s", server); 78286610Saraujo memmove(&iaddr.s_addr, hp->h_addr, sizeof(iaddr.s_addr)); 79286610Saraujo } 8012862Swpaul ypsd.ypsetdom_domain = dom; 81286610Saraujo bcopy(&iaddr.s_addr, &ypsd.ypsetdom_binding.ypbind_binding_addr, 82286610Saraujo sizeof(ypsd.ypsetdom_binding.ypbind_binding_addr)); 83286610Saraujo bcopy(&port, &ypsd.ypsetdom_binding.ypbind_binding_port, 84286610Saraujo sizeof(ypsd.ypsetdom_binding.ypbind_binding_port)); 851929Swollman ypsd.ypsetdom_vers = YPVERS; 868857Srgrimes 871929Swollman tv.tv_sec = 15; 881929Swollman tv.tv_usec = 0; 891929Swollman sock = RPC_ANYSOCK; 901929Swollman client = clntudp_create(sin, YPBINDPROG, YPBINDVERS, tv, &sock); 9190297Sdes if (client == NULL) { 9230828Scharnier warnx("can't yp_bind, reason: %s", yperr_string(YPERR_YPBIND)); 9390297Sdes return (YPERR_YPBIND); 941929Swollman } 951929Swollman client->cl_auth = authunix_create_default(); 961929Swollman 971929Swollman r = clnt_call(client, YPBINDPROC_SETDOM, 9895658Sdes (xdrproc_t)xdr_ypbind_setdom, &ypsd, 9995658Sdes (xdrproc_t)xdr_void, NULL, tv); 10090297Sdes if (r) { 101286610Saraujo warnx("cannot ypset for domain %s on host %s: %s" 102286610Saraujo " - make sure ypbind was started with -ypset or -ypsetme", dom, 103286610Saraujo server, clnt_sperrno(r)); 1041929Swollman clnt_destroy(client); 10590297Sdes return (YPERR_YPBIND); 1061929Swollman } 1071929Swollman clnt_destroy(client); 10890297Sdes return (0); 1091929Swollman} 1101929Swollman 1111929Swollmanint 11290298Sdesmain(int argc, char *argv[]) 1131929Swollman{ 1141929Swollman struct sockaddr_in sin; 1151929Swollman struct hostent *hent; 1161929Swollman char *domainname; 1171929Swollman int c; 1181929Swollman 1191929Swollman yp_get_default_domain(&domainname); 1201929Swollman 1211929Swollman bzero(&sin, sizeof sin); 1221929Swollman sin.sin_family = AF_INET; 12374347Salfred sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 1241929Swollman 12590297Sdes while ((c = getopt(argc, argv, "h:d:")) != -1) 126286611Saraujo switch (c) { 1271929Swollman case 'd': 1281929Swollman domainname = optarg; 1291929Swollman break; 1301929Swollman case 'h': 131286610Saraujo if (inet_aton(optarg, &sin.sin_addr) == 0) { 1321929Swollman hent = gethostbyname(optarg); 13390297Sdes if (hent == NULL) 134286610Saraujo errx(1, "host %s unknown\n", optarg); 135286610Saraujo bcopy(hent->h_addr, &sin.sin_addr, 136286610Saraujo sizeof(sin.sin_addr)); 1371929Swollman } 1381929Swollman break; 1391929Swollman default: 1401929Swollman usage(); 1411929Swollman } 1421929Swollman 14390297Sdes if (optind + 1 != argc) 1441929Swollman usage(); 1451929Swollman 1461929Swollman if (bind_tohost(&sin, domainname, argv[optind])) 1471929Swollman exit(1); 1481929Swollman exit(0); 1491929Swollman} 150