Re: [PATCH]: non-readable binaries - binfmt_misc 2.6.0-test4

[Herbert Poetzl <herbert@13thfloor.at>]

On Mon, Sep 01, 2003 at 12:41:23AM +0300, Zach, Yoav wrote:
> The proposed patch solves a problem for interpreters that need to
> execute a non-readable file, which cannot be read in userland. To handle
> such cases the interpreter must have the kernel load the binary on its
> behalf. The proposed patch handles this case by telling binfmt_misc, by
> a special flag in the registration string, to open the binary for
> reading and pass its descriptor as argv[1], instead of passing the
> binary's path. Old behavior of binfmt_misc is kept for interpreters
> which do not specify this special flag. The patch is against
> linux-2.6.0-test4. A similar one was posted twice on the list, on Aug.
> 14 and 21, without significant response.

okay, here is your response!

what non-readable files need to be interpreted/executed?
why is this case relevant?
why not simply make it user-land readable?

best,
Herbert