Last change
on this file since 3634 was 3232, checked in by Bruno Cornec, 11 years ago |
- Update mindi-busybox to 1.21.1
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File size:
1.2 KB
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Mini chroot implementation for busybox
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4 | *
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5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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6 | *
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7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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8 | */
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9 |
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10 | /* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
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11 |
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12 | //usage:#define chroot_trivial_usage
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13 | //usage: "NEWROOT [PROG ARGS]"
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14 | //usage:#define chroot_full_usage "\n\n"
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15 | //usage: "Run PROG with root directory set to NEWROOT"
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16 | //usage:
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17 | //usage:#define chroot_example_usage
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18 | //usage: "$ ls -l /bin/ls\n"
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19 | //usage: "lrwxrwxrwx 1 root root 12 Apr 13 00:46 /bin/ls -> /BusyBox\n"
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20 | //usage: "# mount /dev/hdc1 /mnt -t minix\n"
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21 | //usage: "# chroot /mnt\n"
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22 | //usage: "# ls -l /bin/ls\n"
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23 | //usage: "-rwxr-xr-x 1 root root 40816 Feb 5 07:45 /bin/ls*\n"
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24 |
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25 | #include "libbb.h"
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26 |
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27 | int chroot_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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28 | int chroot_main(int argc UNUSED_PARAM, char **argv)
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29 | {
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30 | ++argv;
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31 | if (!*argv)
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32 | bb_show_usage();
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33 | xchroot(*argv);
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34 |
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35 | ++argv;
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36 | if (!*argv) { /* no 2nd param (PROG), use shell */
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37 | argv -= 2;
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38 | argv[0] = (char *) get_shell_name();
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39 | argv[1] = (char *) "-i"; /* GNU coreutils 8.4 compat */
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40 | /*argv[2] = NULL; - already is */
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41 | }
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42 |
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43 | BB_EXECVP_or_die(argv);
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44 | }
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