/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>

int
main(int argc, char **argv)
{
        if (argc < 3) {
                (void) fprintf(stderr,
                    "usage: chroot rootdir command [arg ...]\n");
                exit(1);
        }

        if (chroot(argv[1]) != 0) {
                (void) fprintf(stderr, "chroot(\"%s\"): %s\n", argv[1],
                    strerror(errno));
                exit(1);
        }

        if (chdir("/") != 0) {
                (void) fprintf(stderr, "Can't chdir to new root\n");
                exit(1);
        }

        (void) execv(argv[2], &argv[2]);
        perror("chroot: exec failed");
        return (1);
}