1 /* 2 * Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote 14 * products derived from this software without specific prior written 15 * permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef LINT 31 static char rcsid[] = "$Id: ypset.c,v 1.3 1993/06/12 00:02:37 deraadt Exp $"; 32 #endif 33 34 #include <sys/param.h> 35 #include <sys/types.h> 36 #include <sys/socket.h> 37 #include <stdio.h> 38 #include <netdb.h> 39 #include <rpc/rpc.h> 40 #include <rpc/xdr.h> 41 #include <rpcsvc/yp_prot.h> 42 #include <rpcsvc/ypclnt.h> 43 44 extern bool_t xdr_domainname(); 45 46 usage() 47 { 48 fprintf(stderr, "Usage:\n"); 49 fprintf(stderr, "\typset [-h host ] [-d domain] server\n"); 50 exit(1); 51 } 52 53 bind_tohost(sin, dom, server) 54 struct sockaddr_in *sin; 55 char *dom, *server; 56 { 57 struct ypbind_setdom ypsd; 58 struct timeval tv; 59 CLIENT *client; 60 int sock, port; 61 int r; 62 63 if( (port=htons(getrpcport(server, YPPROG, YPPROC_NULL, IPPROTO_UDP))) == 0) { 64 fprintf(stderr, "%s not running ypserv.\n", server); 65 exit(1); 66 } 67 68 bzero(&ypsd, sizeof ypsd); 69 strncpy(ypsd.ypsetdom_domain, dom, sizeof ypsd.ypsetdom_domain); 70 ypsd.ypsetdom_addr = sin->sin_addr; 71 ypsd.ypsetdom_vers = YPVERS; 72 ypsd.ypsetdom_port = port; 73 74 tv.tv_sec = 15; 75 tv.tv_usec = 0; 76 sock = RPC_ANYSOCK; 77 client = clntudp_create(sin, YPBINDPROG, YPBINDVERS, tv, &sock); 78 if (client==NULL) { 79 fprintf(stderr, "can't yp_bind: Reason: %s\n", 80 yperr_string(YPERR_YPBIND)); 81 return YPERR_YPBIND; 82 } 83 client->cl_auth = authunix_create_default(); 84 85 r = clnt_call(client, YPBINDPROC_SETDOM, 86 xdr_ypbind_setdom, &ypsd, xdr_void, NULL, tv); 87 if(r) { 88 fprintf(stderr, "Sorry, cannot ypset for domain %s on host.\n", dom); 89 clnt_destroy(client); 90 return YPERR_YPBIND; 91 } 92 clnt_destroy(client); 93 return 0; 94 } 95 96 int 97 main(argc, argv) 98 char **argv; 99 { 100 struct sockaddr_in sin; 101 struct hostent *hent; 102 extern char *optarg; 103 extern int optind; 104 char *domainname; 105 int c; 106 107 yp_get_default_domain(&domainname); 108 109 bzero(&sin, sizeof sin); 110 sin.sin_family = AF_INET; 111 sin.sin_addr.s_addr = htonl(0x7f000001); 112 113 while( (c=getopt(argc, argv, "h:d:")) != -1) 114 switch(c) { 115 case 'd': 116 domainname = optarg; 117 break; 118 case 'h': 119 if( (sin.sin_addr.s_addr=inet_addr(optarg)) == -1) { 120 hent = gethostbyname(optarg); 121 if(hent==NULL) { 122 fprintf(stderr, "ypset: host %s unknown\n", 123 optarg); 124 exit(1); 125 } 126 bcopy(&hent->h_addr_list[0], &sin.sin_addr, 127 sizeof sin.sin_addr); 128 } 129 break; 130 default: 131 usage(); 132 } 133 134 if(optind + 1 != argc ) 135 usage(); 136 137 if (bind_tohost(&sin, domainname, argv[optind])) 138 exit(1); 139 exit(0); 140 } 141