Re: [PATCH] Add security hooks to binder and implement the hooks for SELinux.

[Casey Schaufler]

On 1/22/2015 12:51 AM, Greg KH wrote:
> On Wed, Jan 21, 2015 at 10:54:10AM -0500, Stephen Smalley wrote:
>> Add security hooks to the binder and implement the hooks for SELinux.
>> The security hooks enable security modules such as SELinux to implement
>> controls over binder IPC.  The security hooks include support for
>> controlling what process can become the binder context manager
>> (binder_set_context_mgr), controlling the ability of a process
>> to invoke a binder transaction/IPC to another process (binder_transaction),
>> controlling the ability of a process to transfer a binder reference to
>> another process (binder_transfer_binder), and controlling the ability
>> of a process to transfer an open file to another process (binder_transfer_file).
>>
>> These hooks have been included in the Android kernel trees since Android 4.3.
> Very interesting, I missed the fact that these were added in that tree,
> thanks for digging it out and submitting it.
>
> I'd like some acks from some Android developers before I take these.
> Or, if it's easier for them to go through the security tree, that's fine
> with me as well.

My only concern is that we're about to see a set of hooks proposed
for kdbus as well, and it would be a shame if we had two sets of hooks
that do roughly the same thing (ok, *very roughly*) introduced back to back.

>
> thanks,
>
> greg k-h
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