From: Florian Westphal <fw@strlen.de>
To: Richard Guy Briggs <rgb@redhat.com>
Cc: Florian Westphal <fw@strlen.de>, Phil Sutter <phil@nwl.cc>,
LKML <linux-kernel@vger.kernel.org>,
Linux-Audit Mailing List <linux-audit@redhat.com>,
netfilter-devel@vger.kernel.org, twoerner@redhat.com,
Eric Paris <eparis@parisplace.org>,
tgraf@infradead.org
Subject: Re: [PATCH ghak124 v3] audit: log nftables configuration change events
Date: Thu, 18 Feb 2021 09:22:07 +0100 [thread overview]
Message-ID: <20210218082207.GJ2766@breakpoint.cc> (raw)
In-Reply-To: <20210217234131.GN3141668@madcap2.tricolour.ca>
Richard Guy Briggs <rgb@redhat.com> wrote:
> On 2021-02-11 23:09, Florian Westphal wrote:
> > So, if just a summary is needed a single audit_log_nfcfg()
> > after 'step 3' and outside of the list_for_each_entry_safe() is all
> > that is needed.
>
> Ok, so it should not matter if it is before or after that
> list_for_each_entry_safe(), which could be used to collect that summary.
Right, it won't matter.
> > If a summary is wanted as well one could fe. count the number of
> > transaction types in the batch, e.g. table adds, chain adds, rule
> > adds etc. and then log a summary count instead.
>
> The current fields are "table", "family", "entries", "op".
>
> Could one batch change more than one table? (I think it could?)
Yes.
> It appears it can change more than one family.
> "family" is currently a single integer, so that might need to be changed
> to a list, or something to indicate multi-family.
Yes, it can also affect different families.
> Listing all the ops seems a bit onerous. Is there a hierarchy to the
> ops and if so, are they in that order in a batch or in nf_tables_commit()?
No. There is a hierarchy, e.g. you can't add a chain without first
adding a table, BUT in case the table was already created by an earlier
transaction it can also be stand-alone.
> It seems I'd need to filter out the NFT_MSG_GET_* ops.
No need, the GET ops do not cause changes and will not trigger a
generation id change.
next prev parent reply other threads:[~2021-02-18 9:40 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-04 13:20 [PATCH ghak124 v3] audit: log nftables configuration change events Richard Guy Briggs
2020-06-04 17:03 ` Steve Grubb
2020-06-04 17:57 ` Richard Guy Briggs
2020-06-04 18:51 ` Steve Grubb
2020-06-24 0:34 ` Paul Moore
2020-06-24 10:03 ` Pablo Neira Ayuso
2020-06-24 12:34 ` Richard Guy Briggs
2020-06-24 13:03 ` Pablo Neira Ayuso
2020-06-24 13:26 ` Richard Guy Briggs
2021-02-11 15:16 ` Phil Sutter
2021-02-11 16:29 ` Paul Moore
2021-02-11 20:26 ` Richard Guy Briggs
2021-02-11 22:09 ` Florian Westphal
2021-02-17 23:41 ` Richard Guy Briggs
2021-02-18 8:22 ` Florian Westphal [this message]
2021-02-18 12:42 ` Richard Guy Briggs
2021-02-18 12:52 ` Florian Westphal
2021-02-18 13:28 ` Richard Guy Briggs
2021-02-18 13:41 ` Florian Westphal
2021-02-18 21:20 ` Richard Guy Briggs
2021-02-18 22:42 ` Florian Westphal
2021-02-19 6:26 ` Richard Guy Briggs
2021-02-19 19:25 ` Richard Guy Briggs
2021-02-12 20:48 ` Richard Guy Briggs
2021-02-11 21:02 ` Steve Grubb
2021-02-12 12:11 ` Phil Sutter
2021-02-12 20:54 ` Richard Guy Briggs
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