Re: Refactoring src/ausearch-report.c:output_interpreted_node()

[Steve Grubb <sgrubb@redhat.com>]

On Thursday, October 02, 2014 07:08:13 AM Burn Alting wrote:
> On Wed, 2014-10-01 at 14:54 -0400, Steve Grubb wrote:
> > > I am uncertain what effect of accepting this additional format would
> > > have when adding rules to the running audit system - i.e.
> > > audit_name_to_msg_type() is called by autrace/auditctl when parsing
> > > rules (ie the msgtype field name).
> > 
> > I think ausearch-report.c might be the place that needs updating.
> 
> So, could we modify output_interpreted_node() to no longer re-parse the
>    [node=<node>] type=<type> msg=audit(<epochsecs>.<msecs>:<serial>)
> header and pass both the lnode and llist->e which has this data already
> as the code
>           if (num == -1) {
>               // see if we are older and wiser now.
>               bptr = strchr(str, '[');
>               if (bptr && bptr < ptr) {
>                   char *eptr;
>                   bptr++;
>                   eptr = strchr(bptr, ']');
>                   if (eptr) {
>                        *eptr = 0;
>                        errno = 0;
>                        num = strtoul(bptr, NULL, 10);
>                        *eptr = ']';
>                        if (errno)
>                            num = -1;
>                   }
>                }
>          }
> which parses for
>     type=.*[n].*
> is no longer needed as we don't have that format any more?

That is a very loose check for UNKNOWN[####]. If you see a performance 
improvement by refactoring this function, please send a patch. The output 
needs to be identical to the old way.

Thanks,
-Steve