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