1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
27 /* All Rights Reserved */
28
29 #include <stdio.h>
30 #include <string.h>
31 #include <errno.h>
32 #include <unistd.h>
33 #include <stdlib.h>
34
35 int
main(int argc,char ** argv)36 main(int argc, char **argv)
37 {
38 if (argc < 3) {
39 (void) fprintf(stderr,
40 "usage: chroot rootdir command [arg ...]\n");
41 exit(1);
42 }
43
44 if (chroot(argv[1]) != 0) {
45 (void) fprintf(stderr, "chroot(\"%s\"): %s\n", argv[1],
46 strerror(errno));
47 exit(1);
48 }
49
50 if (chdir("/") != 0) {
51 (void) fprintf(stderr, "Can't chdir to new root\n");
52 exit(1);
53 }
54
55 (void) execv(argv[2], &argv[2]);
56 perror("chroot: exec failed");
57 return (1);
58 }
59