Re: [AppArmor 32/44] Enable LSM hooks to distinguish operations onfile descriptors from operations on pathnames

[James Morris]

On Tue, 26 Jun 2007, jjohansen@xxxxxxx wrote:

> Struct iattr already contains ia_file since commit cc4e69de from 
> Miklos (which is related to commit befc649c). Use this to pass
> struct file down the setattr hooks. This allows LSMs to distinguish
> operations on file descriptors from operations on paths.

I'm not quite sure I understand this.

Why would you distinguish operations based on whether you have a pathname 
or an inode for an object ?

Are you trying to cater for the case where you're holding an open fd for a 
file which has been deleted, and thus has no pathname?




- James
-- 
James Morris
<jmorris@xxxxxxxxx>
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