Re: [PATCH] mkswap: Add warnings for insecure device permissions/owners

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On 24 January 2016 at 11:09, Sami Kerola <kerolasa@xxxxxx> wrote:
> On 23 January 2016 at 16:22, Karel Zak <kzak@xxxxxxxxxx> wrote:
>> On Fri, Jan 22, 2016 at 10:03:47PM +0000, Sami Kerola wrote:
>>> Alternatively one could make swapon to get rid of all permission bits
>>> and set ownership to UID 0 by default when ever it activates a
>>> swapfile. How about that.
>>
>> Not sure if want to change any permissions on the fly, it would be
>> better to reject files (by swapon) with insecure permissions and
>> require something like --force for crazy users who wants to ignore
>> this problem.
>
> Why not completely optional?
>
> $ swapon --path-permissions [ignore|complain|stop|fix]
>
> Current default is 'complain', and it feels about right.

Something like this.

https://github.com/kerolasa/lelux-utiliteetit/commit/d79b3cdbe4e61b7e10d595dec4d4e299c8300c9e

Notice that the change above is wrote on top of another change, that
added swapon control structure.

https://github.com/kerolasa/lelux-utiliteetit/commit/4d510f769de438092558f51430f3b195f328ef0e

-- 
Sami Kerola
http://www.iki.fi/kerolasa/
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