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[821] | 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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[1765] | 12 | #include "libbb.h"
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[821] | 13 |
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[1765] | 14 | int chroot_main(int argc, char **argv);
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[821] | 15 | int chroot_main(int argc, char **argv)
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| 16 | {
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| 17 | if (argc < 2) {
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| 18 | bb_show_usage();
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| 19 | }
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| 20 |
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| 21 | ++argv;
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| 22 | if (chroot(*argv)) {
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| 23 | bb_perror_msg_and_die("cannot change root directory to %s", *argv);
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| 24 | }
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[1765] | 25 | xchdir("/");
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[821] | 26 |
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| 27 | ++argv;
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| 28 | if (argc == 2) {
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| 29 | argv -= 2;
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[1765] | 30 | argv[0] = getenv("SHELL");
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| 31 | if (!argv[0]) {
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| 32 | argv[0] = (char *) DEFAULT_SHELL;
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[821] | 33 | }
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| 34 | argv[1] = (char *) "-i";
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| 35 | }
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| 36 |
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[1765] | 37 | BB_EXECVP(*argv, argv);
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[821] | 38 | bb_perror_msg_and_die("cannot execute %s", *argv);
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| 39 | }
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