Re: add a MAC check for TRUNCATE

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От Joe Conway
Тема Re: add a MAC check for TRUNCATE
Дата
Msg-id 59f95815-acb2-d7fb-34a6-dcdae64249ac@joeconway.com
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Ответ на Re: add a MAC check for TRUNCATE  (Yuli Khodorkovskiy <yuli.khodorkovskiy@crunchydata.com>)
Ответы Re: add a MAC check for TRUNCATE  (Yuli Khodorkovskiy <yuli.khodorkovskiy@crunchydata.com>)
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On 9/6/19 2:13 PM, Yuli Khodorkovskiy wrote:
> As Joe Conway pointed out to me out of band, the build animal for RHEL
> 7 has handle_unknown set to `0`. Are there any other concerns with
> this approach?


You mean deny_unknown I believe.

"Allow unknown object class / permissions. This will set the returned AV
  with all 1's."

As I understand it, this would make the sepgsql behavior unchanged from
before if the policy does not support the new permission.

Joe

> On Fri, Sep 6, 2019 at 1:00 PM Yuli Khodorkovskiy wrote:
>> The default SELinux policy on Fedora ships with deny_unknown set to 0.
>> Deny_unknown was added to the kernel in 2.6.24, so unless someone is
>> using RHEL 5.x, which is in ELS, they will have the ability to
>> override the default behavior on CentOS/RHEL.



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