On Thu, Nov 07, 2002 at 10:57:06AM -0500, Calin A. Culianu wrote:
>
> In the /prod/PID subset of procfs, why are the exe, cwd, and root symlinks
> considered priviledged information?
>
> Exe is the big one for me, as this one can be usually infered from reading
> /prod/PID/maps. Root I guess can't be inferred in any unpriviledged way,
> and neither can cwd. At any rate.. I am not sure behind the philosophy to
> make these symlinks' destinations priviledged... can someone clarify
> this?
This came up a little while ago. The answer is that maps should be
priviledged also.
For instance:
You can protect a directory by giving its parent directory no read
permissions. The name of the directory is now secret. You don't want
to reveal it in cwd.
-- Daniel Jacobowitz MontaVista Software Debian GNU/Linux Developer - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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