Re: [PATCH v2 1/2] integrity: Add result field in audit message

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On Fri, Jun 12, 2020 at 10:26 PM Lakshmi Ramasubramanian
<nramas@xxxxxxxxxxxxxxxxxxx> wrote:
> Result code is not included in the audit messages logged by
> the integrity subsystem. Add "result" field in the audit messages
> logged by the integrity subsystem and set the value to the result code
> passed to integrity_audit_msg() in the "result" parameter.
>
> Sample audit message:
>
> [    6.284329] audit: type=1804 audit(1591756723.627:2): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel op=add_boot_aggregate cause=alloc_entry comm="swapper/0" name="boot_aggregate" res=0 result=-12
>
> [    8.085456] audit: type=1802 audit(1592005947.297:9): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 op=policy_update cause=completed comm="systemd" res=1 result=0
>
> Signed-off-by: Lakshmi Ramasubramanian <nramas@xxxxxxxxxxxxxxxxxxx>
> Suggested-by: Steve Grubb <sgrubb@xxxxxxxxxx>
> ---
>  security/integrity/integrity_audit.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

If we can't use "res=" to carry more than 0/1 then this seems reasonable.

Acked-by: Paul Moore <paul@xxxxxxxxxxxxxx>

> diff --git a/security/integrity/integrity_audit.c b/security/integrity/integrity_audit.c
> index 5109173839cc..84002d3d5a95 100644
> --- a/security/integrity/integrity_audit.c
> +++ b/security/integrity/integrity_audit.c
> @@ -53,6 +53,6 @@ void integrity_audit_msg(int audit_msgno, struct inode *inode,
>                 audit_log_untrustedstring(ab, inode->i_sb->s_id);
>                 audit_log_format(ab, " ino=%lu", inode->i_ino);
>         }
> -       audit_log_format(ab, " res=%d", !result);
> +       audit_log_format(ab, " res=%d result=%d", !result, result);
>         audit_log_end(ab);
>  }
> --
> 2.27.0

-- 
paul moore
www.paul-moore.com



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