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

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On Tue, 2018-05-29 at 17:47 -0400, Paul Moore wrote:
> On Tue, May 29, 2018 at 5:35 PM, Steve Grubb <sgrubb@xxxxxxxxxx> wrote:
> > On Tuesday, May 29, 2018 5:19:39 PM EDT Paul Moore wrote:
> >> On Thu, May 24, 2018 at 4:11 PM, Stefan Berger
> >>
> >> <stefanb@xxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxx>
> >> > Suggested-by: Steve Grubb <sgrubb@xxxxxxxxxx>
> >> > ---
> >> >
> >> >  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.
> >
> > Let's see what an example event looks like before NACK'ing this. Way back in
> > 2013 the IMA events were good. I think this is repairing the event after some
> > drift.
> 
> Can you reference a specific commit, or point in time during 2013?
> Looking at the git log quickly, if I go back to commit d726d8d719b6
> ("integrity: move integrity_audit_msg()") from March 18, 2013 (the
> commit that created integrity_audit.c) the field ordering appears to
> be the same as it today.
> 
> My NACK still stands.

There hasn't been any changes up to now.  This patch set refactors
integrity_audit_msg(), creating integrity_audit_msg_common(), which
will be called from both ima_audit_measurement() and
ima_parse_rule(). 

Previously the audit record generated by ima_parse_rule() did not
include this info.  The change in this patch will affect both the
existing and the new INTEGRITY_AUDIT_POLICY_RULE audit records.

Mimi




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