1/* 2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights 7 * Reserved. This file contains Original Code and/or Modifications of 8 * Original Code as defined in and that are subject to the Apple Public 9 * Source License Version 1.0 (the 'License'). You may not use this file 10 * except in compliance with the License. Please obtain a copy of the 11 * License at http://www.apple.com/publicsource and read it before using 12 * this file. 13 * 14 * The Original Code and all software distributed under the License are 15 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the 19 * License for the specific language governing rights and limitations 20 * under the License." 21 * 22 * @APPLE_LICENSE_HEADER_END@ 23 */ 24/* 25 * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@fsa.ca> 26 * Copyright (c) 1992, 1993 John Brezak 27 * All rights reserved. 28 * 29 * Redistribution and use in source and binary forms, with or without 30 * modification, are permitted provided that the following conditions 31 * are met: 32 * 1. Redistributions of source code must retain the above copyright 33 * notice, this list of conditions and the following disclaimer. 34 * 2. Redistributions in binary form must reproduce the above copyright 35 * notice, this list of conditions and the following disclaimer in the 36 * documentation and/or other materials provided with the distribution. 37 * 3. All advertising materials mentioning features or use of this software 38 * must display the following acknowledgement: 39 * This product includes software developed by Theo de Raadt and 40 * John Brezak. 41 * 4. The name of the author may not be used to endorse or promote 42 * products derived from this software without specific prior written 43 * permission. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 46 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 47 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 48 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 49 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 55 * SUCH DAMAGE. 56 */ 57 58#include <sys/cdefs.h> 59#ifndef lint 60__unused static char rcsid[] = "$Id: yppoll.c,v 1.2 2006/02/07 06:22:59 lindak Exp $"; 61#endif /* not lint */ 62 63#include <sys/param.h> 64#include <sys/types.h> 65#include <sys/socket.h> 66#include <stdio.h> 67#include <stdlib.h> 68#include <time.h> 69#include <netdb.h> 70#include <unistd.h> 71#include <string.h> 72#include <netinet/in.h> 73#include <arpa/inet.h> 74 75#include <rpc/rpc.h> 76#include <rpc/xdr.h> 77#include <rpcsvc/yp_prot.h> 78#include <rpcsvc/ypclnt.h> 79 80void 81usage() 82{ 83 fprintf(stderr, "Usage:\n"); 84 fprintf(stderr, "\typpoll [-h host] [-d domainname] mapname\n"); 85 exit(1); 86} 87 88int 89get_remote_info(indomain, inmap, server, outorder, outname) 90 char *indomain; 91 char *inmap; 92 char *server; 93 int *outorder; 94 char **outname; 95{ 96 struct ypresp_order ypro; 97 struct ypresp_master yprm; 98 struct ypreq_nokey yprnk; 99 struct timeval tv; 100 int r; 101 struct sockaddr_in rsrv_sin; 102 int rsrv_sock; 103 CLIENT *client; 104 struct hostent *h; 105 106 bzero((char *)&rsrv_sin, sizeof rsrv_sin); 107 rsrv_sin.sin_len = sizeof rsrv_sin; 108 rsrv_sin.sin_family = AF_INET; 109 rsrv_sock = RPC_ANYSOCK; 110 111 h = gethostbyname(server); 112 if (h == NULL) { 113 if (inet_aton(server, &rsrv_sin.sin_addr) == 0) { 114 fprintf(stderr, "unknown host %s\n", server); 115 exit(1); 116 } 117 } else { 118 rsrv_sin.sin_addr.s_addr = *(u_long *)h->h_addr; 119 } 120 121 tv.tv_sec = 10; 122 tv.tv_usec = 0; 123 124 client = clntudp_create(&rsrv_sin, YPPROG, YPVERS, tv, &rsrv_sock); 125 if (client == NULL) { 126 fprintf(stderr, "clntudp_create: no contact with host %s.\n", 127 server); 128 exit(1); 129 } 130 131 yprnk.domain = indomain; 132 yprnk.map = inmap; 133 134 bzero((char *)(char *)&ypro, sizeof ypro); 135 136 r = clnt_call(client, YPPROC_ORDER, (xdrproc_t)xdr_ypreq_nokey, &yprnk, 137 (xdrproc_t)xdr_ypresp_order, &ypro, tv); 138 if (r != RPC_SUCCESS) 139 clnt_perror(client, "yp_order: clnt_call"); 140 141 *outorder = ypro.ordernum; 142 xdr_free((xdrproc_t)xdr_ypresp_order, (char *)&ypro); 143 144 r = ypprot_err(ypro.status); 145 if (r == RPC_SUCCESS) { 146 bzero((char *)&yprm, sizeof yprm); 147 148 r = clnt_call(client, YPPROC_MASTER, (xdrproc_t)xdr_ypreq_nokey, 149 &yprnk, (xdrproc_t)xdr_ypresp_master, &yprm, tv); 150 if (r != RPC_SUCCESS) 151 clnt_perror(client, "yp_master: clnt_call"); 152 r = ypprot_err(yprm.status); 153 if (r==0) 154 *outname = (char *)strdup(yprm.master); 155 xdr_free((xdrproc_t)xdr_ypresp_master, (char *)&yprm); 156 } 157 clnt_destroy(client); 158 return r; 159} 160 161int 162main(argc, argv) 163 int argc; 164 char **argv; 165{ 166 char *domainname; 167 char *hostname = NULL; 168 char *inmap, *master; 169 int order; 170 extern char *optarg; 171 extern int optind; 172 int c, r; 173 174 yp_get_default_domain(&domainname); 175 176 while ((c=getopt(argc, argv, "h:d:?")) != -1) 177 switch (c) { 178 case 'd': 179 domainname = optarg; 180 break; 181 case 'h': 182 hostname = optarg; 183 break; 184 default: 185 usage(); 186 /*NOTREACHED*/ 187 } 188 189 if (optind + 1 != argc ) 190 usage(); 191 inmap = argv[optind]; 192 193 if (hostname != NULL) { 194 r = get_remote_info(domainname, inmap, hostname, 195 &order, &master); 196 } else { 197 r = yp_order(domainname, inmap, &order); 198 if (r == 0) 199 r = yp_master(domainname, inmap, &master); 200 } 201 202 if (r != 0) { 203 fprintf(stderr, "No such map %s. Reason: %s\n", 204 inmap, yperr_string(r)); 205 exit(1); 206 } 207 208 printf("Map %s has order number %d. %s", inmap, order, 209 ctime((time_t *)&order)); 210 printf("The master server is %s.\n", master); 211 exit(0); 212} 213