From: "Konstantin Meskhidze (A)" <konstantin.meskhidze@huawei.com>
To: "Mickaël Salaün" <mic@digikod.net>
Cc: <willemdebruijn.kernel@gmail.com>, <gnoack3000@gmail.com>,
<linux-security-module@vger.kernel.org>, <netdev@vger.kernel.org>,
<netfilter-devel@vger.kernel.org>, <yusongping@huawei.com>,
<artem.kuzin@huawei.com>
Subject: Re: [PATCH v12 08/12] landlock: Add network rules and TCP hooks support
Date: Tue, 10 Oct 2023 06:31:34 +0300 [thread overview]
Message-ID: <fe08c515-b5ab-f93a-a7b8-22f48c6b76a5@huawei.com> (raw)
In-Reply-To: <20231009.Aej2eequoodi@digikod.net>
10/9/2023 6:36 PM, Mickaël Salaün пишет:
> On Wed, Sep 20, 2023 at 05:26:36PM +0800, Konstantin Meskhidze wrote:
>> This commit adds network rules support in the ruleset management
>> helpers and the landlock_create_ruleset syscall.
>> Refactor user space API to support network actions. Add new network
>> access flags, network rule and network attributes. Increment Landlock
>> ABI version. Expand access_masks_t to u32 to be sure network access
>> rights can be stored. Implement socket_bind() and socket_connect()
>> LSM hooks, which enables to restrict TCP socket binding and connection
>> to specific ports.
>> The new landlock_net_port_attr structure has two fields. The allowed_access
>> field contains the LANDLOCK_ACCESS_NET_* rights. The port field contains
>> the port value according to the allowed protocol. This field can
>> take up to a 64-bit value [1] but the maximum value depends on the related
>> protocol (e.g. 16-bit for TCP).
>>
>> [1]
>> https://lore.kernel.org/r/278ab07f-7583-a4e0-3d37-1bacd091531d@digikod.net
>
> Could you please include here the rationale to not tie access rights to
> sockets' file descriptor, and link [2]?
>
> [2] https://lore.kernel.org/r/263c1eb3-602f-57fe-8450-3f138581bee7@digikod.net
Ok. I will include this description.
Thank you.
> .
next prev parent reply other threads:[~2023-10-10 3:31 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-20 9:26 [PATCH v12 00/12] Network support for Landlock Konstantin Meskhidze
2023-09-20 9:26 ` [PATCH v12 01/12] landlock: Make ruleset's access masks more generic Konstantin Meskhidze
2023-09-20 9:26 ` [PATCH v12 02/12] landlock: Allow filesystem layout changes for domains without such rule type Konstantin Meskhidze
2023-10-02 20:26 ` Mickaël Salaün
2023-10-10 2:17 ` Konstantin Meskhidze (A)
2023-09-20 9:26 ` [PATCH v12 03/12] landlock: Refactor landlock_find_rule/insert_rule Konstantin Meskhidze
2023-09-20 9:26 ` [PATCH v12 04/12] landlock: Refactor merge/inherit_ruleset functions Konstantin Meskhidze
2023-09-20 9:26 ` [PATCH v12 05/12] landlock: Move and rename layer helpers Konstantin Meskhidze
2023-09-20 9:26 ` [PATCH v12 06/12] landlock: Refactor " Konstantin Meskhidze
2023-09-20 9:26 ` [PATCH v12 07/12] landlock: Refactor landlock_add_rule() syscall Konstantin Meskhidze
2023-09-20 9:26 ` [PATCH v12 08/12] landlock: Add network rules and TCP hooks support Konstantin Meskhidze
2023-10-02 20:26 ` Mickaël Salaün
2023-10-09 14:12 ` Mickaël Salaün
2023-10-09 14:13 ` Mickaël Salaün
2023-10-10 2:23 ` Konstantin Meskhidze (A)
2023-10-10 2:20 ` Konstantin Meskhidze (A)
2023-10-10 9:17 ` Mickaël Salaün
2023-10-10 11:22 ` Konstantin Meskhidze (A)
2023-10-10 3:29 ` Konstantin Meskhidze (A)
2023-10-10 9:28 ` Mickaël Salaün
2023-10-10 11:21 ` Konstantin Meskhidze (A)
2023-10-11 1:53 ` Konstantin Meskhidze (A)
2023-10-11 16:02 ` Mickaël Salaün
2023-10-11 16:04 ` Konstantin Meskhidze (A)
2023-10-09 15:36 ` Mickaël Salaün
2023-10-10 3:31 ` Konstantin Meskhidze (A) [this message]
2023-09-20 9:26 ` [PATCH v12 09/12] selftests/landlock: Share enforce_ruleset() Konstantin Meskhidze
2023-10-02 20:26 ` Mickaël Salaün
2023-10-10 2:47 ` Konstantin Meskhidze (A)
2023-09-20 9:26 ` [PATCH v12 10/12] selftests/landlock: Add 7 new test variants dedicated to network Konstantin Meskhidze
2023-09-20 9:26 ` [PATCH v12 11/12] samples/landlock: Add network demo Konstantin Meskhidze
2023-10-03 13:15 ` linux-next: build warning after merge of the landlock tree Mickaël Salaün
2023-10-03 13:23 ` Geert Uytterhoeven
2023-10-04 11:01 ` Mickaël Salaün
2023-10-03 13:40 ` Arnd Bergmann
2023-10-04 11:02 ` Mickaël Salaün
2023-09-20 9:26 ` [PATCH v12 12/12] landlock: Document Landlock's network support Konstantin Meskhidze
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