linux-kernel - Re: [PATCH 5/8] integrity: Add exe= and tty= before res= to integrity audits

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Message-Id: <0c9616fe-b404-eeed-1cba-c920c31694fd@linux.vnet.ibm.com>
Date:   Wed, 30 May 2018 08:17:49 -0400
From:   Stefan Berger <stefanb@...ux.vnet.ibm.com>
To:     Paul Moore <paul@...l-moore.com>
Cc:     zohar@...ux.vnet.ibm.com, sgrubb@...hat.com,
        linux-integrity@...r.kernel.org, linux-audit@...hat.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/8] integrity: Add exe= and tty= before res= to integrity
 audits

On 05/29/2018 05:19 PM, Paul Moore wrote:
> On Thu, May 24, 2018 at 4:11 PM, Stefan Berger
> <stefanb@...ux.vnet.ibm.com> wrote:
>> Use the new public audit functions to add the exe= and tty=
>> parts to the integrity audit records. We place them before
>> res=.
>>
>> Signed-off-by: Stefan Berger <stefanb@...ux.vnet.ibm.com>
>> Suggested-by: Steve Grubb <sgrubb@...hat.com>
>> ---
>>   security/integrity/integrity_audit.c | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/security/integrity/integrity_audit.c b/security/integrity/integrity_audit.c
>> index db30763d5525..8d25d3c4dcca 100644
>> --- a/security/integrity/integrity_audit.c
>> +++ b/security/integrity/integrity_audit.c
>> @@ -56,6 +56,8 @@ 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_d_path_exe(ab, current->mm);
>> +       audit_log_tty(ab, current);
> NACK
>
> Please add the new fields to the end of the audit record, thank you.

I put it there since Steve said '"res" is traditionally the last field 
in any event' (https://lkml.org/lkml/2018/5/22/539). I don't mind 
breaking with this tradition...

>
>>          audit_log_format(ab, " res=%d", !result);
>>          audit_log_end(ab);
>>   }