160 lines
4.0 KiB
C
160 lines
4.0 KiB
C
/* $NetBSD: ypset.c,v 1.17 2011/08/27 22:41:35 joerg Exp $ */
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/*
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* Copyright (c) 1992, 1993 Theo de Raadt <deraadt@fsa.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: ypset.c,v 1.17 2011/08/27 22:41:35 joerg Exp $");
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#endif
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <err.h>
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#include <netdb.h>
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#include <rpc/rpc.h>
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#include <rpc/xdr.h>
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#include <rpcsvc/yp_prot.h>
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#include <rpcsvc/ypclnt.h>
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#include <arpa/inet.h>
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__dead static void usage(void);
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static void gethostaddr(const char *, struct in_addr *);
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static int bind_tohost(struct sockaddr_in *, char *, char *);
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int
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main(int argc, char *argv[])
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{
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struct sockaddr_in sin;
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char *domainname;
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int c;
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yp_get_default_domain(&domainname);
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(void) memset(&sin, 0, sizeof sin);
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sin.sin_family = AF_INET;
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sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
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while ((c = getopt(argc, argv, "h:d:")) != -1) {
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switch(c) {
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case 'd':
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domainname = optarg;
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break;
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case 'h':
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gethostaddr(optarg, &sin.sin_addr);
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break;
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default:
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usage();
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}
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}
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if (domainname == NULL)
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errx(1, "YP domain name not set");
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argc -= optind;
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argv += optind;
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if (argc != 1)
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usage();
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return bind_tohost(&sin, domainname, argv[0]) != 0;
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}
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static void
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gethostaddr(const char *host, struct in_addr *ia)
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{
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struct hostent *hp;
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if (inet_aton(host, ia) != 0)
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return;
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hp = gethostbyname(host);
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if (hp == NULL)
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errx(1, "Cannot get host address for %s: %s", host,
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hstrerror(h_errno));
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(void) memcpy(ia, hp->h_addr, sizeof(*ia));
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}
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static int
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bind_tohost(struct sockaddr_in *sin, char *dom, char *server)
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{
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struct ypbind_setdom ypsd;
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struct timeval tv;
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CLIENT *client;
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int sock, port;
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int r;
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port = htons(getrpcport(server, YPPROG, YPPROC_NULL, IPPROTO_UDP));
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if (port == 0)
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errx(1, "%s not running ypserv.", server);
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(void) memset(&ypsd, 0, sizeof ypsd);
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gethostaddr(server, &ypsd.ypsetdom_addr);
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(void) strlcpy(ypsd.ypsetdom_domain, dom, sizeof ypsd.ypsetdom_domain);
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ypsd.ypsetdom_port = port;
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ypsd.ypsetdom_vers = YPVERS;
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tv.tv_sec = 15;
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tv.tv_usec = 0;
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sock = RPC_ANYSOCK;
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client = clntudp_create(sin, YPBINDPROG, YPBINDVERS, tv, &sock);
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if (client == NULL) {
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warnx("Can't yp_bind: Reason: %s", yperr_string(YPERR_YPBIND));
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return YPERR_YPBIND;
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}
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client->cl_auth = authunix_create_default();
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r = clnt_call(client, YPBINDPROC_SETDOM,
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xdr_ypbind_setdom, &ypsd, xdr_void, NULL, tv);
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if (r) {
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warnx("Cannot ypset for domain %s on host %s: %s.",
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dom, server, clnt_sperrno(r));
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clnt_destroy(client);
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return YPERR_YPBIND;
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}
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clnt_destroy(client);
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return 0;
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}
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static void
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usage(void)
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{
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(void) fprintf(stderr, "usage: %s [-h host ] [-d domain] server\n",
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getprogname());
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exit(1);
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}
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