busybox/coreutils/chroot.c
Denys Vlasenko 681efe20d3 use user's shell instead of hardwired "/bin/sh" (android needs this)
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-03-08 21:00:36 +01:00

33 lines
721 B
C

/* 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 source tree.
*/
/* 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] = (char *) get_shell_name();
argv[1] = (char *) "-i"; /* GNU coreutils 8.4 compat */
/*argv[2] = NULL; - already is */
}
BB_EXECVP_or_die(argv);
}