netdev - Re: [PATCH v8 02/12] landlock: Refactor landlock_find_rule/insert

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Message-ID: <9f1c28bc-b482-cef3-12bc-b250d3be82a1@huawei.com>
Date:   Mon, 28 Nov 2022 06:06:29 +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 02/12] landlock: Refactor
 landlock_find_rule/insert_rule



11/22/2022 8:17 PM, Mickaël Salaün пишет:
> 
> On 17/11/2022 19:41, Mickaël Salaün wrote:
>> 
>> On 21/10/2022 17:26, Konstantin Meskhidze wrote:
> 
> [...]
> 
>>> diff --git a/security/landlock/ruleset.h b/security/landlock/ruleset.h
>>> index f2ad932d396c..608ab356bc3e 100644
>>> --- a/security/landlock/ruleset.h
>>> +++ b/security/landlock/ruleset.h
>>> @@ -49,6 +49,46 @@ struct landlock_layer {
>>>    	access_mask_t access;
>>>    };
>>>
>>> +/**
>>> + * union landlock_key - Key of a ruleset's red-black tree
>>> + */
>>> +union landlock_key {
>>> +	/**
>>> +	 * @object: Pointer to identify a kernel object (e.g. an inode).
>>> +	 */
>>> +	struct landlock_object *object;
>>> +	/**
>>> +	 * @data: A raw data value to identify a network socket port.
>> 
>> "Raw data to identify an arbitrary 32-bit value (e.g. a TCP port)."
>> 
>> 
>>> +	 */
>>> +	uintptr_t data;
>>> +};
>>> +
>>> +/**
>>> + * enum landlock_key_type - Type of &union landlock_key
>>> + */
>>> +enum landlock_key_type {
>>> +	/**
>>> +	 * @LANDLOCK_KEY_INODE: Type of &landlock_ruleset.root_inode's node
>>> +	 * keys.
>>> +	 */
>>> +	LANDLOCK_KEY_INODE = 1,
>>> +};
>>> +
>>> +/**
>>> + * struct landlock_id - Unique rule identifier for a ruleset
>>> + */
>>> +struct landlock_id {
>>> +	/**
>>> +	 * @key: A union to identify either a kernel object (e.g. an inode) or
>>> +	 * a raw data value (e.g. a network socket port).
>> 
>> "a 32-bit value (e.g. a TCP port)."
> 
> Instead:
> @key: Identifies either a kernel object (e.g. an inode) or a raw value
> (e.g. a TCP port).

   Ok. Got it.
> 
>> 
>> 
>>> +	 */
>>> +	union landlock_key key;
>>> +	/**
>>> +	 * @type: A enumerator to identify the type of landlock_ruleset's root tree.
> 
> @type: Type of a landlock_ruleset's root tree.
> 
   Ok. Thanks.
> 
>>> +	 */
>>> +	const enum landlock_key_type type;
>>> +};
> .