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

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Message-ID: <CAFJ0LnGzSoVxPrVhVhY5dD-zcoT74TquZd0A1WxQCin7LqQyPA@mail.gmail.com>
Date:	Thu, 22 Jan 2015 09:48:47 -0800
From:	Nick Kralevich <nnk@...gle.com>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	Stephen Smalley <sds@...ho.nsa.gov>,
	lkml <linux-kernel@...r.kernel.org>,
	Arve Hjønnevåg <arve@...roid.com>,
	paul@...l-moore.com, SELinux <selinux@...ho.nsa.gov>,
	linux-security-module@...r.kernel.org, jmorris@...ei.org
Subject: Re: [PATCH] Add security hooks to binder and implement the hooks for SELinux.

Acked-By: Nick Kralevich <nnk@...gle.com>

On Thu, Jan 22, 2015 at 12:51 AM, Greg KH <gregkh@...uxfoundation.org> 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.
>
> thanks,
>
> greg k-h



-- 
Nick Kralevich | Android Security | nnk@...gle.com | 650.214.4037
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