1*eda9e509Sgrant /* $NetBSD: yppoll.c,v 1.10 2002/07/20 08:40:22 grant Exp $ */ 2b2fd6338Sthorpej 3a4dd8f97Sbrezak /* 4b86d2fa0Sderaadt * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@fsa.ca> 5b86d2fa0Sderaadt * Copyright (c) 1992, 1993 John Brezak 6a4dd8f97Sbrezak * All rights reserved. 7a4dd8f97Sbrezak * 8a4dd8f97Sbrezak * Redistribution and use in source and binary forms, with or without 9a4dd8f97Sbrezak * modification, are permitted provided that the following conditions 10a4dd8f97Sbrezak * are met: 11a4dd8f97Sbrezak * 1. Redistributions of source code must retain the above copyright 12a4dd8f97Sbrezak * notice, this list of conditions and the following disclaimer. 13a4dd8f97Sbrezak * 2. Redistributions in binary form must reproduce the above copyright 14a4dd8f97Sbrezak * notice, this list of conditions and the following disclaimer in the 15a4dd8f97Sbrezak * documentation and/or other materials provided with the distribution. 16b86d2fa0Sderaadt * 3. All advertising materials mentioning features or use of this software 17b86d2fa0Sderaadt * must display the following acknowledgement: 18b86d2fa0Sderaadt * This product includes software developed by Theo de Raadt and 19b86d2fa0Sderaadt * John Brezak. 20b86d2fa0Sderaadt * 4. The name of the author may not be used to endorse or promote 21a4dd8f97Sbrezak * products derived from this software without specific prior written 22a4dd8f97Sbrezak * permission. 23a4dd8f97Sbrezak * 24a4dd8f97Sbrezak * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 25a4dd8f97Sbrezak * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 26a4dd8f97Sbrezak * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27a4dd8f97Sbrezak * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 28a4dd8f97Sbrezak * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29a4dd8f97Sbrezak * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30a4dd8f97Sbrezak * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31a4dd8f97Sbrezak * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32a4dd8f97Sbrezak * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33a4dd8f97Sbrezak * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34a4dd8f97Sbrezak * SUCH DAMAGE. 35a4dd8f97Sbrezak */ 36a4dd8f97Sbrezak 37587f1445Sthorpej #include <sys/cdefs.h> 38aee4b07bSmycroft #ifndef lint 39*eda9e509Sgrant __RCSID("$NetBSD: yppoll.c,v 1.10 2002/07/20 08:40:22 grant Exp $"); 40aee4b07bSmycroft #endif /* not lint */ 41a4dd8f97Sbrezak 42a4dd8f97Sbrezak #include <sys/param.h> 43a4dd8f97Sbrezak #include <sys/types.h> 44a4dd8f97Sbrezak #include <sys/socket.h> 45587f1445Sthorpej #include <err.h> 46a4dd8f97Sbrezak #include <stdio.h> 473ab02a87Smatt #include <stdlib.h> 48a4dd8f97Sbrezak #include <time.h> 49f452d538Sderaadt #include <netdb.h> 50f452d538Sderaadt #include <unistd.h> 51f452d538Sderaadt #include <string.h> 52f452d538Sderaadt #include <netinet/in.h> 53f452d538Sderaadt #include <arpa/inet.h> 54a4dd8f97Sbrezak 55a4dd8f97Sbrezak #include <rpc/rpc.h> 56a4dd8f97Sbrezak #include <rpc/xdr.h> 57a4dd8f97Sbrezak #include <rpcsvc/yp_prot.h> 58a4dd8f97Sbrezak #include <rpcsvc/ypclnt.h> 59a4dd8f97Sbrezak 60587f1445Sthorpej int main __P((int, char *[])); 61587f1445Sthorpej int get_remote_info __P((char *, char *, char *, int *, char **)); 62587f1445Sthorpej void usage __P((void)); 63587f1445Sthorpej 64587f1445Sthorpej int 65587f1445Sthorpej main(argc, argv) 66587f1445Sthorpej int argc; 67587f1445Sthorpej char **argv; 68a4dd8f97Sbrezak { 69587f1445Sthorpej char *domainname; 70587f1445Sthorpej char *hostname = NULL; 71587f1445Sthorpej char *inmap, *master; 72587f1445Sthorpej int order; 73587f1445Sthorpej int c, r; 74587f1445Sthorpej 75587f1445Sthorpej yp_get_default_domain(&domainname); 76587f1445Sthorpej 77587f1445Sthorpej while ((c = getopt(argc, argv, "h:d:")) != -1) { 78587f1445Sthorpej switch (c) { 79587f1445Sthorpej case 'd': 80587f1445Sthorpej domainname = optarg; 81587f1445Sthorpej break; 82587f1445Sthorpej 83587f1445Sthorpej case 'h': 84587f1445Sthorpej hostname = optarg; 85587f1445Sthorpej break; 86587f1445Sthorpej 87587f1445Sthorpej default: 88587f1445Sthorpej usage(); 89587f1445Sthorpej /*NOTREACHED*/ 90587f1445Sthorpej } 91587f1445Sthorpej } 92587f1445Sthorpej 93587f1445Sthorpej if (domainname == NULL) 94587f1445Sthorpej errx(1, "YP domain name not set"); 95587f1445Sthorpej 96587f1445Sthorpej argc -= optind; 97587f1445Sthorpej argv += optind; 98587f1445Sthorpej 99587f1445Sthorpej if (argc != 1) 100587f1445Sthorpej usage(); 101587f1445Sthorpej 102587f1445Sthorpej inmap = argv[0]; 103587f1445Sthorpej 104587f1445Sthorpej if (hostname != NULL) 105587f1445Sthorpej r = get_remote_info(domainname, inmap, hostname, 106587f1445Sthorpej &order, &master); 107587f1445Sthorpej else { 108587f1445Sthorpej r = yp_order(domainname, inmap, &order); 109587f1445Sthorpej if (r == 0) 110587f1445Sthorpej r = yp_master(domainname, inmap, &master); 111587f1445Sthorpej } 112587f1445Sthorpej 113587f1445Sthorpej if (r != 0) 114*eda9e509Sgrant errx(1, "no such map %s. Reason: %s", 115587f1445Sthorpej inmap, yperr_string(r)); 116587f1445Sthorpej 117587f1445Sthorpej printf("Map %s has order number %d. %s", inmap, order, 118587f1445Sthorpej ctime((time_t *)&order)); 119587f1445Sthorpej printf("The master server is %s.\n", master); 120587f1445Sthorpej exit(0); 121a4dd8f97Sbrezak } 122a4dd8f97Sbrezak 123a4dd8f97Sbrezak int 124f452d538Sderaadt get_remote_info(indomain, inmap, server, outorder, outname) 125f452d538Sderaadt char *indomain; 126f452d538Sderaadt char *inmap; 127f452d538Sderaadt char *server; 128f452d538Sderaadt int *outorder; 129f452d538Sderaadt char **outname; 130f452d538Sderaadt { 131f452d538Sderaadt struct ypresp_order ypro; 132f452d538Sderaadt struct ypresp_master yprm; 133f452d538Sderaadt struct ypreq_nokey yprnk; 134f452d538Sderaadt struct timeval tv; 135f452d538Sderaadt int r; 136f452d538Sderaadt struct sockaddr_in rsrv_sin; 137f452d538Sderaadt int rsrv_sock; 138f452d538Sderaadt CLIENT *client; 139f452d538Sderaadt struct hostent *h; 140f452d538Sderaadt 141587f1445Sthorpej memset(&rsrv_sin, 0, sizeof(rsrv_sin)); 142f452d538Sderaadt rsrv_sin.sin_len = sizeof rsrv_sin; 143f452d538Sderaadt rsrv_sin.sin_family = AF_INET; 144f452d538Sderaadt rsrv_sock = RPC_ANYSOCK; 145f452d538Sderaadt 146f452d538Sderaadt h = gethostbyname(server); 147f452d538Sderaadt if (h == NULL) { 148587f1445Sthorpej if (inet_aton(server, &rsrv_sin.sin_addr) == 0) 149587f1445Sthorpej errx(1, "unknown host %s", server); 150587f1445Sthorpej } else 151587f1445Sthorpej memcpy(&rsrv_sin.sin_addr.s_addr, h->h_addr, h->h_length); 152f452d538Sderaadt 153f452d538Sderaadt tv.tv_sec = 10; 154f452d538Sderaadt tv.tv_usec = 0; 155f452d538Sderaadt 156f452d538Sderaadt client = clntudp_create(&rsrv_sin, YPPROG, YPVERS, tv, &rsrv_sock); 157587f1445Sthorpej if (client == NULL) 158*eda9e509Sgrant errx(1, "clntudp_create: no contact with host %s.", server); 159f452d538Sderaadt 160f452d538Sderaadt yprnk.domain = indomain; 161f452d538Sderaadt yprnk.map = inmap; 162f452d538Sderaadt 163587f1445Sthorpej memset(&ypro, 0, sizeof(ypro)); 164f452d538Sderaadt 165f452d538Sderaadt r = clnt_call(client, YPPROC_ORDER, xdr_ypreq_nokey, &yprnk, 166f452d538Sderaadt xdr_ypresp_order, &ypro, tv); 167f452d538Sderaadt if (r != RPC_SUCCESS) 168f452d538Sderaadt clnt_perror(client, "yp_order: clnt_call"); 169f452d538Sderaadt 170f452d538Sderaadt *outorder = ypro.ordernum; 171f452d538Sderaadt xdr_free(xdr_ypresp_order, (char *)&ypro); 172f452d538Sderaadt 173f452d538Sderaadt r = ypprot_err(ypro.status); 174f452d538Sderaadt if (r == RPC_SUCCESS) { 175587f1445Sthorpej memset(&yprm, 0, sizeof(yprm)); 176f452d538Sderaadt 177f452d538Sderaadt r = clnt_call(client, YPPROC_MASTER, xdr_ypreq_nokey, 178f452d538Sderaadt &yprnk, xdr_ypresp_master, &yprm, tv); 179f452d538Sderaadt if (r != RPC_SUCCESS) 180f452d538Sderaadt clnt_perror(client, "yp_master: clnt_call"); 181f452d538Sderaadt r = ypprot_err(yprm.status); 182f452d538Sderaadt if (r == 0) 183f452d538Sderaadt *outname = (char *)strdup(yprm.master); 184f452d538Sderaadt xdr_free(xdr_ypresp_master, (char *)&yprm); 185f452d538Sderaadt } 186f452d538Sderaadt clnt_destroy(client); 187f452d538Sderaadt return r; 188f452d538Sderaadt } 189f452d538Sderaadt 190587f1445Sthorpej void 191587f1445Sthorpej usage() 192a4dd8f97Sbrezak { 193a4dd8f97Sbrezak 194587f1445Sthorpej fprintf(stderr, "usage: %s [-h host] [-d domainname] mapname\n", 19525bdbb66Scgd getprogname()); 196a4dd8f97Sbrezak exit(1); 197a4dd8f97Sbrezak } 198