Contents of /tags/mkinitrd-6_1_10/busybox/coreutils/chroot.c
Parent Directory | Revision Log
Revision 922 -
(show annotations)
(download)
Wed Oct 28 09:51:31 2009 UTC (14 years, 11 months ago) by niro
File MIME type: text/plain
File size: 724 byte(s)
Wed Oct 28 09:51:31 2009 UTC (14 years, 11 months ago) by niro
File MIME type: text/plain
File size: 724 byte(s)
tagged 'mkinitrd-6_1_10'
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Mini chroot implementation for busybox |
4 | * |
5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
6 | * |
7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
8 | */ |
9 | |
10 | /* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */ |
11 | |
12 | #include "libbb.h" |
13 | |
14 | int chroot_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
15 | int chroot_main(int argc, char **argv) |
16 | { |
17 | if (argc < 2) { |
18 | bb_show_usage(); |
19 | } |
20 | |
21 | ++argv; |
22 | xchroot(*argv); |
23 | xchdir("/"); |
24 | |
25 | ++argv; |
26 | if (argc == 2) { |
27 | argv -= 2; |
28 | argv[0] = getenv("SHELL"); |
29 | if (!argv[0]) { |
30 | argv[0] = (char *) DEFAULT_SHELL; |
31 | } |
32 | argv[1] = (char *) "-i"; |
33 | } |
34 | |
35 | BB_EXECVP(*argv, argv); |
36 | bb_perror_msg_and_die("cannot execute %s", *argv); |
37 | } |