152 lines
4.3 KiB
C
152 lines
4.3 KiB
C
/*
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* Copyright (c) 1992/3 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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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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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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__FBSDID("$FreeBSD$");
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#include <err.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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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 <rpc/rpc.h>
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#include <rpc/xdr.h>
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#include <rpcsvc/yp.h>
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#include <rpcsvc/ypclnt.h>
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#include <arpa/inet.h>
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extern bool_t xdr_domainname();
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static void
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usage(void)
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{
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fprintf(stderr, "usage: ypset [-h host] [-d domain] server\n");
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exit(1);
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}
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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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struct hostent *hp;
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CLIENT *client;
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int sock, port;
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int r;
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unsigned long server_addr;
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if ((port = htons(getrpcport(server, YPPROG, YPPROC_NULL, IPPROTO_UDP))) == 0)
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errx(1, "%s not running ypserv", server);
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bzero(&ypsd, sizeof ypsd);
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if ((hp = gethostbyname (server)) != NULL) {
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/* is this the most compatible way?? */
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bcopy (hp->h_addr_list[0],
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(u_long *)&ypsd.ypsetdom_binding.ypbind_binding_addr,
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sizeof (unsigned long));
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} else if ((server_addr = inet_addr(server)) == INADDR_NONE) {
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errx(1, "can't find address for %s", server);
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} else
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bcopy (&server_addr,
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(u_long *)&ypsd.ypsetdom_binding.ypbind_binding_addr,
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sizeof (server_addr));
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/* strncpy(ypsd.ypsetdom_domain, dom, sizeof ypsd.ypsetdom_domain); */
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ypsd.ypsetdom_domain = dom;
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*(u_long *)&ypsd.ypsetdom_binding.ypbind_binding_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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(xdrproc_t)xdr_ypbind_setdom, &ypsd,
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(xdrproc_t)xdr_void, NULL, tv);
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if (r) {
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warnx("sorry, cannot ypset for domain %s on host - make sure ypbind was started with -ypset or -ypsetme", dom);
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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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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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struct hostent *hent;
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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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bzero(&sin, 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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if ((sin.sin_addr.s_addr = inet_addr(optarg)) ==
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INADDR_NONE) {
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hent = gethostbyname(optarg);
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if (hent == NULL)
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errx(1, "host %s unknown", optarg);
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bcopy(hent->h_addr_list[0], &sin.sin_addr,
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sizeof sin.sin_addr);
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}
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break;
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default:
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usage();
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}
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if (optind + 1 != argc)
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usage();
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if (bind_tohost(&sin, domainname, argv[optind]))
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exit(1);
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exit(0);
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}
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