1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2002 Networks Associates Technology, Inc. 5 * All rights reserved. 6 * 7 * This software was developed for the FreeBSD Project by ThinkSec AS and 8 * NAI Labs, the Security Research Division of Network Associates, Inc. 9 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the 10 * DARPA CHATS research program. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. The name of the author may not be used to endorse or promote 21 * products derived from this software without specific prior written 22 * permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * $FreeBSD$ 37 */ 38 39 #include <sys/param.h> 40 41 #include <err.h> 42 #include <errno.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <unistd.h> 46 47 #include <rpcsvc/ypclnt.h> 48 49 #include "ypclnt.h" 50 51 int 52 ypclnt_connect(ypclnt_t *ypclnt) 53 { 54 int r; 55 56 /* get default domain name unless specified */ 57 if (ypclnt->domain == NULL) { 58 if ((ypclnt->domain = malloc(MAXHOSTNAMELEN)) == NULL) { 59 ypclnt_error(ypclnt, __func__, 60 "%s", strerror(errno)); 61 return (-1); 62 } 63 if (getdomainname(ypclnt->domain, MAXHOSTNAMELEN) != 0) { 64 ypclnt_error(ypclnt, __func__, 65 "can't get NIS domain name"); 66 return (-1); 67 } 68 } 69 70 /* map must be specified */ 71 if (ypclnt->map == NULL) { 72 ypclnt_error(ypclnt, __func__, 73 "caller must specify map name"); 74 return (-1); 75 } 76 77 /* get master server for requested map unless specified */ 78 if (ypclnt->server == NULL) { 79 r = yp_master(ypclnt->domain, ypclnt->map, &ypclnt->server); 80 if (r != 0) { 81 ypclnt_error(ypclnt, __func__, 82 "can't get NIS server name: %s", yperr_string(r)); 83 return (-1); 84 } 85 } 86 87 ypclnt_error(ypclnt, NULL, NULL); 88 return (0); 89 } 90