Re: [Exim] Segmentation fault in callouts

On Tue, Sep 30, 2003 at 01:43:20PM -0400, Dean Brooks writes:
> > > I see this report, but I'm in the middle up upgrading to a new
> > > workstation, so may not be able to look more closely for a while.
> >
> > I was able to use GDB with debugging symbols to get a stacktrace
> > at the point of sigfault. Again, this is Exim 4.24 running
> > under Solaris 7 with GCC 2.95.3 using a command line of:
>
> Ok, I figured out the problem.
>
> It's still probably a bug that should be fixed, but at least I know
> the cause.
>
> The router that the callout code was using was a verify_only router
> I was using that did not have a transport specified:
>
> verify_remote_domains:
> driver=dnslookup
> domains = ! +localdomains
> ignore_target_hosts = EXIMDIR/unroutable-nets
> self = fail
> verify_only
> no_more
>
> This router works fine for normal verification, but callouts failed
> since no transport = no port number, and hence the crash in the
> callout code.
>
> Someone else may run into this, so may be worth using a default port
> number if it can't determine one from an applicable router.

IMHO a better way is to skip routers with no transport specified
on callout.

--
                                Lucky carrier,
                                                  Pavel.