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/* $OpenBSD: ypset.c,v 1.20 2015/01/16 06:40:23 deraadt Exp $ */ |
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/* $NetBSD: ypset.c,v 1.8 1996/05/13 02:46:33 thorpej Exp $ */ |
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/* |
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* Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com> |
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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/types.h> |
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#include <sys/socket.h> |
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#include <err.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 <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.h> |
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#include <rpcsvc/ypclnt.h> |
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#include <arpa/inet.h> |
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static void |
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usage(void) |
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{ |
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fprintf(stderr, "usage: ypset [-d domain] [-h host] server\n"); |
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exit(1); |
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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 in_addr iaddr; |
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struct hostent *hp; |
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struct timeval tv; |
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CLIENT *client; |
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int sock, port, r; |
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port = 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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port = htons(port); |
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memset(&ypsd, 0, sizeof ypsd); |
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if (inet_aton(server, &iaddr) == 0) { |
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hp = gethostbyname(server); |
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if (hp == NULL) |
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errx(1, "can't find address for %s", server); |
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memmove(&iaddr.s_addr, hp->h_addr, sizeof(iaddr.s_addr)); |
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} |
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ypsd.ypsetdom_domain = dom; |
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bcopy(&iaddr.s_addr, &ypsd.ypsetdom_binding.ypbind_binding_addr, |
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sizeof(ypsd.ypsetdom_binding.ypbind_binding_addr)); |
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bcopy(&port, &ypsd.ypsetdom_binding.ypbind_binding_port, |
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sizeof(ypsd.ypsetdom_binding.ypbind_binding_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", dom, |
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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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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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extern char *optarg; |
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extern int optind; |
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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 (inet_aton(optarg, &sin.sin_addr) == 0) { |
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hent = gethostbyname(optarg); |
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if (hent == NULL) |
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errx(1, "host %s unknown\n", optarg); |
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bcopy(hent->h_addr, &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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} |