linux-kernel - Re: [PATCH v39 01/42] integrity: disassociate ima_filter_rule from security_audit

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Date: Mon, 24 Jun 2024 09:57:14 -0400
From: Mimi Zohar <zohar@...ux.ibm.com>
To: Roberto Sassu <roberto.sassu@...weicloud.com>,
        Paul Moore
	 <paul@...l-moore.com>
Cc: Roberto Sassu <roberto.sassu@...wei.com>,
        linux-security-module@...r.kernel.org, jmorris@...ei.org,
        serge@...lyn.com, keescook@...omium.org, john.johansen@...onical.com,
        penguin-kernel@...ove.sakura.ne.jp, stephen.smalley.work@...il.com,
        linux-kernel@...r.kernel.org, mic@...ikod.net,
        linux-integrity@...r.kernel.org,
        Casey Schaufler <casey@...aufler-ca.com>
Subject: Re: [PATCH v39 01/42] integrity: disassociate ima_filter_rule from
 security_audit_rule

On Mon, 2024-06-24 at 10:45 +0200, Roberto Sassu wrote:
> My only comment would be that I would not call the new functions with
> the ima_ prefix, being those in security.c, which is LSM agnostic, but
> I would rather use a name that more resembles the differences, if any.

Commit 4af4662fa4a9 ("integrity: IMA policy") originally referred to these hooks
as security_filter_rule_XXXX, but commit b8867eedcf76 ("ima: Rename internal
filter rule functions") renamed the function to ima_filter_rule_XXX) to avoid
security namespace polution.

If these were regular security hooks, the hooks would be named:
filter_rule_init, filter_rule_free, filter_rule_match with the matching
"security" prefix functions. Audit and IMA would then register the hooks.

I agree these functions should probably be renamed again, probably to
security_ima_filter_rule_XXXX.

Mimi