Re: [Umbrella-devel] Re: Getting full path from dentry in LSM hooks

[Christoph Hellwig]

On Fri, Sep 03, 2004 at 03:20:55PM +0200, Kristian Sørensen wrote:
> But we do not have a struct file - just an inode or a dentry :((

Then you can't generate a full path.

> We are working on a project called Umbrella, (umbrella.sf.net) which 
> implements processbased mandatory accesscontrol in the Linux kernel. 
> This access control is controlled by "restriction", e.g. by restricting 
>   some process from accessing any given file or directory.
> 
> E.g. if a root owned process is restricted from accessing /var/www, and 
> the process is compromised by an attacker, no mater what he does, he 
> would not be able to access this directory.

mount --bind /var/www /home/joe/p0rn/, and then?

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