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
30 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.8 */
31
32 #include <stdio.h>
33 #include <string.h>
34 #include <errno.h>
35 #include <unistd.h>
36 #include <stdlib.h>
37
38 int
main(int argc,char ** argv)39 main(int argc, char **argv)
40 {
41 if (argc < 3) {
42 (void) fprintf(stderr,
43 "usage: chroot rootdir command [arg ...]\n");
44 exit(1);
45 }
46
47 if (chroot(argv[1]) != 0) {
48 (void) fprintf(stderr, "chroot(\"%s\"): %s\n", argv[1],
49 strerror(errno));
50 exit(1);
51 }
52
53 if (chdir("/") != 0) {
54 (void) fprintf(stderr, "Can't chdir to new root\n");
55 exit(1);
56 }
57
58 (void) execv(argv[2], &argv[2]);
59 perror("chroot: exec failed");
60 return (1);
61 }
62