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/* vi: set sw=4 ts=4: */
/*
* Mini chroot implementation for busybox
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
#include "libbb.h"
int chroot_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int chroot_main(int argc UNUSED_PARAM, char **argv)
{
++argv;
if (!*argv)
bb_show_usage();
xchroot(*argv);
xchdir("/");
++argv;
if (!*argv) { /* no 2nd param (PROG), use shell */
argv -= 2;
argv[0] = getenv("SHELL");
if (!argv[0]) {
argv[0] = (char *) DEFAULT_SHELL;
}
argv[1] = (char *) "-i";
}
BB_EXECVP(argv[0], argv);
bb_perror_msg_and_die("can't execute '%s'", argv[0]);
}
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