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Message-ID: <20170801171702.f2szj5huzbt7fdfl@docker>
Date: Tue, 1 Aug 2017 11:17:02 -0600
From: Tycho Andersen <tycho@...ker.com>
To: Mehmet Kayaalp <mkayaalp@...ux.vnet.ibm.com>
Cc: ima-devel <linux-ima-devel@...ts.sourceforge.net>,
containers <containers@...ts.linux-foundation.org>,
linux-kernel <linux-kernel@...r.kernel.org>,
linux-security-module <linux-security-module@...r.kernel.org>,
"Serge E . Hallyn" <serge@...lyn.com>,
Yuqiong Sun <sunyuqiong1988@...il.com>,
David Safford <david.safford@...com>,
Mehmet Kayaalp <mkayaalp@...binghamton.edu>,
Stefan Berger <stefanb@...ux.vnet.ibm.com>
Subject: Re: [RFC PATCH 3/5] ima: mamespace audit status flags
Hi Mehmet,
On Thu, Jul 20, 2017 at 06:50:31PM -0400, Mehmet Kayaalp wrote:
> --- a/security/integrity/ima/ima_ns.c
> +++ b/security/integrity/ima/ima_ns.c
> @@ -301,3 +301,24 @@ struct ns_status *ima_get_ns_status(struct ima_namespace *ns,
>
> return status;
> }
> +
> +#define IMA_NS_STATUS_ACTIONS IMA_AUDIT
> +#define IMA_NS_STATUS_FLAGS IMA_AUDITED
> +
Seems like these are defined in ima.h above in the patch, and
re-defined here?
> +unsigned long iint_flags(struct integrity_iint_cache *iint,
> + struct ns_status *status)
> +{
> + if (!status)
> + return iint->flags;
> +
> + return iint->flags & (status->flags & IMA_NS_STATUS_FLAGS);
Just to confirm, is there any situation where:
iint->flags & IMA_NS_STATUS_FLAGS != status->flags & IMA_NS_STATUS_FLAGS
? i.e. can this line just be:
return status->flags & IMA_NS_STATUS_FLAGS;
Tycho
> +}
> +
> +unsigned long set_iint_flags(struct integrity_iint_cache *iint,
> + struct ns_status *status, unsigned long flags)
> +{
> + iint->flags = flags;
> + if (status)
> + status->flags = flags & IMA_NS_STATUS_FLAGS;
> + return flags;
> +}
> --
> 2.9.4
>
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