From: "Mickaël Salaün" <mic@digikod.net>
To: "Konstantin Meskhidze (A)" <konstantin.meskhidze@huawei.com>
Cc: artem.kuzin@huawei.com, gnoack3000@gmail.com,
willemdebruijn.kernel@gmail.com,
linux-security-module@vger.kernel.org, netdev@vger.kernel.org,
netfilter-devel@vger.kernel.org
Subject: Re: [PATCH] landlock: Allow filesystem layout changes for domains without such rule type
Date: Mon, 28 Nov 2022 21:25:31 +0100 [thread overview]
Message-ID: <787e7546-25b9-4e32-6560-b6907cdd6401@digikod.net> (raw)
In-Reply-To: <1956e8c2-fd4c-898e-dd0f-22ad20a69740@huawei.com>
On 28/11/2022 04:02, Konstantin Meskhidze (A) wrote:
>
>
> 11/17/2022 9:55 PM, Mickaël Salaün пишет:
>> Allow mount point and root directory changes when there is no filesystem
>> rule tied to the current Landlock domain. This doesn't change anything
>> for now because a domain must have at least a (filesystem) rule, but
>> this will change when other rule types will come. For instance, a
>> domain only restricting the network should have no impact on filesystem
>> restrictions.
>>
>> Add a new get_current_fs_domain() helper to quickly check filesystem
>> rule existence for all filesystem LSM hooks.
>
> Ok. I got it.
> Do I need also to add a new network helper:
> like landlock_get_raw_net_access_mask?
A get_raw helper would not be useful if there is not network access
initially denied (like for FS_REFER).
next prev parent reply other threads:[~2022-11-28 20:25 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-21 15:26 [PATCH v8 00/12] Network support for Landlock Konstantin Meskhidze
2022-10-21 15:26 ` [PATCH v8 01/12] landlock: Make ruleset's access masks more generic Konstantin Meskhidze
2022-11-17 18:41 ` Mickaël Salaün
2022-11-28 2:53 ` Konstantin Meskhidze (A)
2022-11-28 20:22 ` Mickaël Salaün
2022-12-02 2:49 ` Konstantin Meskhidze (A)
2022-10-21 15:26 ` [PATCH v8 02/12] landlock: Refactor landlock_find_rule/insert_rule Konstantin Meskhidze
2022-11-17 18:41 ` Mickaël Salaün
2022-11-17 18:55 ` [PATCH] landlock: Allow filesystem layout changes for domains without such rule type Mickaël Salaün
2022-11-18 9:16 ` Mickaël Salaün
2022-11-28 3:04 ` Konstantin Meskhidze (A)
2022-11-28 20:23 ` Mickaël Salaün
2022-12-02 2:50 ` Konstantin Meskhidze (A)
2022-12-24 3:10 ` Konstantin Meskhidze (A)
2022-12-26 21:24 ` Mickaël Salaün
2022-12-27 1:47 ` Konstantin Meskhidze (A)
2022-11-28 3:02 ` Konstantin Meskhidze (A)
2022-11-28 20:25 ` Mickaël Salaün [this message]
2022-12-02 2:51 ` Konstantin Meskhidze (A)
2022-11-22 17:17 ` [PATCH v8 02/12] landlock: Refactor landlock_find_rule/insert_rule Mickaël Salaün
2022-11-28 3:06 ` Konstantin Meskhidze (A)
2022-11-28 2:58 ` Konstantin Meskhidze (A)
2022-10-21 15:26 ` [PATCH v8 03/12] landlock: Refactor merge/inherit_ruleset functions Konstantin Meskhidze
2022-11-17 18:41 ` Mickaël Salaün
2022-11-28 3:07 ` Konstantin Meskhidze (A)
2022-10-21 15:26 ` [PATCH v8 04/12] landlock: Move unmask_layers() and init_layer_masks() Konstantin Meskhidze
2022-11-17 18:42 ` Mickaël Salaün
2022-11-28 3:25 ` Konstantin Meskhidze (A)
2022-11-28 20:25 ` Mickaël Salaün
2022-12-02 2:52 ` Konstantin Meskhidze (A)
2022-10-21 15:26 ` [PATCH v8 05/12] landlock: Refactor " Konstantin Meskhidze
2022-11-17 18:42 ` Mickaël Salaün
2022-11-28 3:30 ` Konstantin Meskhidze (A)
2022-10-21 15:26 ` [PATCH v8 06/12] landlock: Refactor landlock_add_rule() syscall Konstantin Meskhidze
2022-11-17 18:42 ` Mickaël Salaün
2022-11-28 3:32 ` Konstantin Meskhidze (A)
2022-10-21 15:26 ` [PATCH v8 07/12] landlock: Add network rules support Konstantin Meskhidze
2022-11-17 18:43 ` Mickaël Salaün
2022-11-28 4:01 ` Konstantin Meskhidze (A)
2022-11-28 20:26 ` Mickaël Salaün
2022-12-02 2:54 ` Konstantin Meskhidze (A)
2023-01-03 12:44 ` Konstantin Meskhidze (A)
2023-01-04 11:41 ` Konstantin Meskhidze (A)
2023-01-06 19:22 ` Mickaël Salaün
2023-01-09 7:59 ` Konstantin Meskhidze (A)
2023-01-09 8:58 ` Dan Carpenter
2023-01-09 9:26 ` Konstantin Meskhidze (A)
2023-01-09 10:20 ` Dan Carpenter
2023-01-09 11:39 ` Konstantin Meskhidze (A)
2023-01-09 11:53 ` Dan Carpenter
2023-01-09 12:18 ` Konstantin Meskhidze (A)
2022-10-21 15:26 ` [PATCH v8 08/12] landlock: Implement TCP network hooks Konstantin Meskhidze
2022-11-17 18:43 ` Mickaël Salaün
2022-11-28 8:21 ` Konstantin Meskhidze (A)
2022-11-28 21:00 ` Mickaël Salaün
2022-12-02 3:13 ` Konstantin Meskhidze (A)
2022-12-02 13:01 ` Mickaël Salaün
2022-12-05 2:55 ` Konstantin Meskhidze (A)
2022-12-05 13:18 ` Mickaël Salaün
2023-01-05 8:57 ` Konstantin Meskhidze (A)
2023-01-06 19:30 ` Mickaël Salaün
2023-01-09 8:07 ` Konstantin Meskhidze (A)
2023-01-09 12:38 ` Mickaël Salaün
2023-01-10 4:45 ` Konstantin Meskhidze (A)
2023-01-10 17:24 ` Mickaël Salaün
2023-01-11 1:54 ` Konstantin Meskhidze (A)
2022-10-21 15:26 ` [PATCH v8 09/12] selftests/landlock: Share enforce_ruleset() Konstantin Meskhidze
2022-11-17 18:43 ` Mickaël Salaün
2022-11-28 4:02 ` Konstantin Meskhidze (A)
2022-10-21 15:26 ` [PATCH v8 10/12] selftests/landlock: Add 10 new test suites dedicated to network Konstantin Meskhidze
2023-01-09 12:46 ` Mickaël Salaün
2023-01-10 5:03 ` Konstantin Meskhidze (A)
2023-01-10 17:40 ` Mickaël Salaün
2023-01-11 1:52 ` Konstantin Meskhidze (A)
2022-10-21 15:26 ` [PATCH v8 11/12] samples/landlock: Add network demo Konstantin Meskhidze
2022-11-16 14:25 ` Mickaël Salaün
2022-11-28 2:49 ` Konstantin Meskhidze (A)
2022-11-28 20:26 ` Mickaël Salaün
2022-12-02 2:48 ` Konstantin Meskhidze (A)
2023-01-05 3:46 ` Konstantin Meskhidze (A)
2023-01-06 19:34 ` Mickaël Salaün
2023-01-09 7:57 ` Konstantin Meskhidze (A)
2022-10-21 15:26 ` [PATCH v8 12/12] landlock: Document Landlock's network support Konstantin Meskhidze
2022-11-17 18:44 ` Mickaël Salaün
2022-11-28 6:44 ` Konstantin Meskhidze (A)
2022-11-28 20:26 ` Mickaël Salaün
2022-12-02 3:14 ` Konstantin Meskhidze (A)
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