netdev - Re: [PATCH v8 11/12] samples/landlock: Add network demo

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Date:   Fri, 2 Dec 2022 05:48:51 +0300
From:   "Konstantin Meskhidze (A)" <konstantin.meskhidze@...wei.com>
To:     Mickaël Salaün <mic@...ikod.net>
CC:     <willemdebruijn.kernel@...il.com>, <gnoack3000@...il.com>,
        <linux-security-module@...r.kernel.org>, <netdev@...r.kernel.org>,
        <netfilter-devel@...r.kernel.org>, <artem.kuzin@...wei.com>
Subject: Re: [PATCH v8 11/12] samples/landlock: Add network demo



11/28/2022 11:26 PM, Mickaël Salaün пишет:
> 
> On 28/11/2022 03:49, Konstantin Meskhidze (A) wrote:
>> 
>> 
>> 11/16/2022 5:25 PM, Mickaël Salaün пишет:
>>>
>>> On 21/10/2022 17:26, Konstantin Meskhidze wrote:
>>>> This commit adds network demo. It's possible to allow a sandboxer to
>>>> bind/connect to a list of particular ports restricting network
>>>> actions to the rest of ports.
>>>>
>>>> Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@...wei.com>
>>>> ---
> 
> [...]
> 
>>>> +		access_net_tcp &= ~LANDLOCK_ACCESS_NET_BIND_TCP;
>>>> +	}
>>>> +	/* Removes connect access attribute if not supported by a user. */
>>>> +	env_port_name = getenv(ENV_TCP_CONNECT_NAME);
>>>> +	if (!env_port_name) {
>>>> +		access_net_tcp &= ~LANDLOCK_ACCESS_NET_CONNECT_TCP;
>>>> +	}
>>>> +	ruleset_attr.handled_access_net &= access_net_tcp;
>>>
>>> There is no need for access_net_tcp.
>> 
>>     Do you mean to delete this var?
> 
> Yes

   Got it.
> .