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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 <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include "busybox.h"
int chroot_main(int argc, char **argv)
{
if (argc < 2) {
bb_show_usage();
}
++argv;
if (chroot(*argv)) {
bb_perror_msg_and_die("cannot change root directory to %s", *argv);
}
bb_xchdir("/");
++argv;
if (argc == 2) {
argv -= 2;
if (!(*argv = getenv("SHELL"))) {
*argv = (char *) DEFAULT_SHELL;
}
argv[1] = (char *) "-i";
}
execvp(*argv, argv);
bb_perror_msg_and_die("cannot execute %s", *argv);
}
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