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 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