Last change
on this file since 1151 was 821, checked in by Bruno Cornec, 18 years ago |
Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)
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File size:
805 bytes
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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 tarball for details.
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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 | #include <stdlib.h>
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13 | #include <stdio.h>
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14 | #include <unistd.h>
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15 | #include <errno.h>
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16 | #include "busybox.h"
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17 |
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18 | int chroot_main(int argc, char **argv)
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19 | {
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20 | if (argc < 2) {
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21 | bb_show_usage();
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22 | }
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23 |
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24 | ++argv;
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25 | if (chroot(*argv)) {
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26 | bb_perror_msg_and_die("cannot change root directory to %s", *argv);
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27 | }
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28 | bb_xchdir("/");
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29 |
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30 | ++argv;
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31 | if (argc == 2) {
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32 | argv -= 2;
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33 | if (!(*argv = getenv("SHELL"))) {
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34 | *argv = (char *) DEFAULT_SHELL;
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35 | }
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36 | argv[1] = (char *) "-i";
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37 | }
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38 |
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39 | execvp(*argv, argv);
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40 | bb_perror_msg_and_die("cannot execute %s", *argv);
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41 | }
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