diff options
Diffstat (limited to 'coreutils/chroot.c')
-rw-r--r-- | coreutils/chroot.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/coreutils/chroot.c b/coreutils/chroot.c new file mode 100644 index 0000000..1198a41 --- /dev/null +++ b/coreutils/chroot.c @@ -0,0 +1,37 @@ +/* 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, char **argv) +{ + if (argc < 2) { + bb_show_usage(); + } + + ++argv; + xchroot(*argv); + xchdir("/"); + + ++argv; + if (argc == 2) { + argv -= 2; + argv[0] = getenv("SHELL"); + if (!argv[0]) { + argv[0] = (char *) DEFAULT_SHELL; + } + argv[1] = (char *) "-i"; + } + + BB_EXECVP(*argv, argv); + bb_perror_msg_and_die("cannot execute %s", *argv); +} |