Re: [PATCH 01/11] Security: Add hook to get full maclabel xattr name

Christoph Hellwig
2008-02-29T01:09:53Z

On Thu, Feb 28, 2008 at 07:32:47PM -0500, Dave Quigley wrote:
> I can always go with the original hook name of get_security_xattr_name
> which turns into a security_get_security_xattr_name call which seems a
> bit ludicrous. The only other complaint that I saw from Casey besides
> the name of the function was that there could be more than one xattr. If
> we want to address that then I need another hook that says give me all
> data that the LSM deems important for this file. Which is essentially
> the same thing as taking each of the xattr names that the module will
> provide, grabbing each of them in turn, and concatenating them together.
> For SELinux this is no different than getsecurity with the selinux
> suffix. The same goes for SMACK.

What about Casey's suggestion of get_security_blob? For any reasonable
module that just has a single xattr it's trivial and for those that
have multiple or a different storage model it might get complicated
but that's not our problem for now.