linux-kernel - Re: [PATCH ghak25 v2 8/9] netfilter: add audit operation field

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Date:   Mon, 6 Jan 2020 21:23:06 +0100
From:   Florian Westphal <fw@...len.de>
To:     Richard Guy Briggs <rgb@...hat.com>
Cc:     Linux-Audit Mailing List <linux-audit@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        netfilter-devel@...r.kernel.org, Paul Moore <paul@...l-moore.com>,
        sgrubb@...hat.com, omosnace@...hat.com, fw@...len.de,
        twoerner@...hat.com, eparis@...isplace.org, ebiederm@...ssion.com,
        tgraf@...radead.org
Subject: Re: [PATCH ghak25 v2 8/9] netfilter: add audit operation field

Richard Guy Briggs <rgb@...hat.com> wrote:
> diff --git a/include/linux/audit.h b/include/linux/audit.h
> index 96cabb095eed..5eab4d898c26 100644
> --- a/include/linux/audit.h
> +++ b/include/linux/audit.h
> @@ -379,7 +379,7 @@ extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
>  extern void __audit_fanotify(unsigned int response);
>  extern void __audit_tk_injoffset(struct timespec64 offset);
>  extern void __audit_ntp_log(const struct audit_ntp_data *ad);
> -extern void __audit_nf_cfg(const char *name, u8 af, int nentries);
> +extern void __audit_nf_cfg(const char *name, u8 af, int nentries, int op);

Consider adding an enum instead of int op.

>  	if (audit_enabled)
> -		audit_nf_cfg(repl->name, AF_BRIDGE, repl->nentries);
> +		audit_nf_cfg(repl->name, AF_BRIDGE, repl->nentries, 1);

audit_nf_cfg(repl->name, AF_BRIDGE, repl->nentries, AUDIT_XT_OP_REPLACE);

... would be a bit more readable than '1'.

The name is just an example, you can pick something else.