17c478bdstevel@tonic-gate/*
27c478bdstevel@tonic-gate * CDDL HEADER START
37c478bdstevel@tonic-gate *
47c478bdstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bdstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bdstevel@tonic-gate * (the "License").  You may not use this file except in compliance
77c478bdstevel@tonic-gate * with the License.
87c478bdstevel@tonic-gate *
97c478bdstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bdstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bdstevel@tonic-gate * See the License for the specific language governing permissions
127c478bdstevel@tonic-gate * and limitations under the License.
137c478bdstevel@tonic-gate *
147c478bdstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bdstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bdstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bdstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bdstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bdstevel@tonic-gate *
207c478bdstevel@tonic-gate * CDDL HEADER END
217c478bdstevel@tonic-gate *
22a506a34th * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
237c478bdstevel@tonic-gate * Use is subject to license terms.
247c478bdstevel@tonic-gate */
257c478bdstevel@tonic-gate
267c478bdstevel@tonic-gate/*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
277c478bdstevel@tonic-gate/*	  All Rights Reserved   */
287c478bdstevel@tonic-gate
297c478bdstevel@tonic-gate/*
307c478bdstevel@tonic-gate * Portions of this source code were derived from Berkeley
317c478bdstevel@tonic-gate * under license from the Regents of the University of
327c478bdstevel@tonic-gate * California.
337c478bdstevel@tonic-gate */
347c478bdstevel@tonic-gate
357c478bdstevel@tonic-gate#pragma ident	"%Z%%M%	%I%	%E% SMI"
367c478bdstevel@tonic-gate
377c478bdstevel@tonic-gate#include <stdio.h>
387c478bdstevel@tonic-gate#include <string.h>
397c478bdstevel@tonic-gate#include <limits.h>
407c478bdstevel@tonic-gate#include <sys/types.h>
417c478bdstevel@tonic-gate#include <sys/statvfs.h>
427c478bdstevel@tonic-gate#include "ypsym.h"
437c478bdstevel@tonic-gate
447c478bdstevel@tonic-gate#ifdef SYSVCONFIG
457c478bdstevel@tonic-gateextern void sysvconfig();
467c478bdstevel@tonic-gate#endif
477c478bdstevel@tonic-gate
487c478bdstevel@tonic-gateextern int yp_getalias();
497c478bdstevel@tonic-gate
507c478bdstevel@tonic-gate/*
517c478bdstevel@tonic-gate *	Given a domain name, return its system v alias.
527c478bdstevel@tonic-gate *	If there is no alias name in the alias file,
537c478bdstevel@tonic-gate *	create one. Rule of creation is to take the 1st
547c478bdstevel@tonic-gate *	NAME_MAX-4 characters and concatenate the last 4 characters.
557c478bdstevel@tonic-gate *	If the alias in the file is too long, trim off the end.
567c478bdstevel@tonic-gate */
577c478bdstevel@tonic-gate
587c478bdstevel@tonic-gatestatic void
597c478bdstevel@tonic-gatemkdomain_alias(name, result)
607c478bdstevel@tonic-gatechar *name, *result;
617c478bdstevel@tonic-gate{
627c478bdstevel@tonic-gate	int retval;
637c478bdstevel@tonic-gate	char tmpbuf[MAXNAMLEN] = {NULL};
647c478bdstevel@tonic-gate
657c478bdstevel@tonic-gate	retval = yp_getalias(name, result, NAME_MAX);
667c478bdstevel@tonic-gate	if (retval == -1) {
677c478bdstevel@tonic-gate		if ((int)strlen(name) > NAME_MAX) {
687c478bdstevel@tonic-gate			strncpy(result, name, NAME_MAX-4);
697c478bdstevel@tonic-gate			strncpy(&result[NAME_MAX-4],
707c478bdstevel@tonic-gate			    &name[strlen(name)-4], 4);
717c478bdstevel@tonic-gate			result[NAME_MAX] = '\0';
727c478bdstevel@tonic-gate		} else
737c478bdstevel@tonic-gate			strcpy(result, name);
747c478bdstevel@tonic-gate	} else if ((retval) && (int)strlen(result) > NAME_MAX) {
757c478bdstevel@tonic-gate		strncpy(tmpbuf, result, NAME_MAX);
767c478bdstevel@tonic-gate		strcpy(result, tmpbuf);
777c478bdstevel@tonic-gate	}
787c478bdstevel@tonic-gate}
797c478bdstevel@tonic-gate
807c478bdstevel@tonic-gate/*
817c478bdstevel@tonic-gate *	Given a map name, return its system v alias .
827c478bdstevel@tonic-gate *	If there is no alias name in the alias file,
837c478bdstevel@tonic-gate *	create one. Rule of creation is to take the 1st
847c478bdstevel@tonic-gate *	MAXALIASLEN-4 characters and concatenate the last 4 characters.
857c478bdstevel@tonic-gate *	If the alias in the file is too long, trim off the end.
867c478bdstevel@tonic-gate */
877c478bdstevel@tonic-gatestatic void
887c478bdstevel@tonic-gatemkmap_alias(name, result)
897c478bdstevel@tonic-gatechar *name, *result;
907c478bdstevel@tonic-gate{
917c478bdstevel@tonic-gate	int retval;
927c478bdstevel@tonic-gate	char tmpbuf[MAXNAMLEN] = {NULL};
937c478bdstevel@tonic-gate
947c478bdstevel@tonic-gate	retval = yp_getalias(name, result, MAXALIASLEN);
957c478bdstevel@tonic-gate
967c478bdstevel@tonic-gate	if (retval == -1) {
977c478bdstevel@tonic-gate		if ((int)strlen(name) > MAXALIASLEN) {
987c478bdstevel@tonic-gate			(void) strncpy(result, name, MAXALIASLEN-4);
997c478bdstevel@tonic-gate			(void) strncpy(&result[MAXALIASLEN-4],
1007c478bdstevel@tonic-gate			    &name[strlen(name)-4], 4);
1017c478bdstevel@tonic-gate			result[MAXALIASLEN] = '\0';
1027c478bdstevel@tonic-gate		} else
1037c478bdstevel@tonic-gate			(void) strcpy(result, name);
1047c478bdstevel@tonic-gate	} else if ((retval) && (int)strlen(result) > MAXALIASLEN) {
1057c478bdstevel@tonic-gate		(void) strncpy(tmpbuf, result, MAXALIASLEN);
1067c478bdstevel@tonic-gate		(void) strcpy(result, tmpbuf);
1077c478bdstevel@tonic-gate	}
1087c478bdstevel@tonic-gate}
1097c478bdstevel@tonic-gate
1107c478bdstevel@tonic-gate#ifdef MAIN
1117c478bdstevel@tonic-gate
1127c478bdstevel@tonic-gate/*
1137c478bdstevel@tonic-gate * executed only for the command ypalias
1147c478bdstevel@tonic-gate * and not when ypbind or ypserv make use
1157c478bdstevel@tonic-gate * of this file.
1167c478bdstevel@tonic-gate */
1177c478bdstevel@tonic-gate
1187c478bdstevel@tonic-gatestatic char usage[] =
1197c478bdstevel@tonic-gate"Usage:\n\
1207c478bdstevel@tonic-gate	ypalias -d domainname\n\
1217c478bdstevel@tonic-gate	ypalias mapname\n";
1227c478bdstevel@tonic-gate
123a506a34thint
1247c478bdstevel@tonic-gatemain(argc, argv)
1257c478bdstevel@tonic-gatechar **argv;
1267c478bdstevel@tonic-gate{
1277c478bdstevel@tonic-gate	char result[MAXNAMLEN] = {NULL};
1287c478bdstevel@tonic-gate
1297c478bdstevel@tonic-gate#ifdef SYSVCONFIG
1307c478bdstevel@tonic-gate	sysvconfig();
1317c478bdstevel@tonic-gate#endif
1327c478bdstevel@tonic-gate	if (argc <= 1)
1337c478bdstevel@tonic-gate		goto err;
1347c478bdstevel@tonic-gate	if (strcmp(argv[1], "-d") == 0)
1357c478bdstevel@tonic-gate		if (argc == 3) mkdomain_alias(argv[2], (char *)&result);
1367c478bdstevel@tonic-gate		else goto err;
1377c478bdstevel@tonic-gate	else if (argc == 2)
1387c478bdstevel@tonic-gate		mkmap_alias(argv[1], (char *)&result);
1397c478bdstevel@tonic-gate	else
1407c478bdstevel@tonic-gate		goto err;
1417c478bdstevel@tonic-gate	(void) printf("%s", result);
1427c478bdstevel@tonic-gate	return (0);
1437c478bdstevel@tonic-gateerr:
1447c478bdstevel@tonic-gate	(void) fprintf(stderr, usage);
1457c478bdstevel@tonic-gate	return (1);
1467c478bdstevel@tonic-gate}
1477c478bdstevel@tonic-gate#endif /* MAIN */
148