On Tue, 2007-09-18 at 17:33 +0100, David Howells wrote:
> Hi Al, Christoph,
>
> Here's a new version of my credentials patch. It's still very basic, with
> only Ext3, (V)FAT, NFS, AFS, SELinux and keyrings compiled in on an x86_64
> arch kernel. The patched kernel compiles, links and runs.
>
> I've made the following major changes to the patch:
>
> (1) System calls that might want to use the credentials call
> update_current_cred() before calling into the VFS or whatever. This
> allows the keyring pointers in the cred struct to be updated.
>
> (2) I've got rid of current_cred(), __current_cred() and the accessors for
> current's fsuid, fsgid and group list. Instead you just use
> current->cred->whatever. You don't need RCU to read the current threads
> credentials as only you are permitted to change them.
>
> David
> ---
What about the process' capabilities? Shouldn't they also be part of a
credential?
Cheers
Trond
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