[ic] Remove Me From The List NOW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

["jkl9876543" <jkl9876543@email.msn.com>]

----- Original Message -----
From: Mike Heins <mikeh@minivend.com>
To: <interchange-users@lists.akopia.com>
Sent: Thursday, January 25, 2001 11:09 PM
Subject: Re: [ic] security


> Quoting cfm@maine.com (cfm@maine.com):
> > On Thu, Jan 25, 2001 at 09:15:39PM -0700, John Beima wrote:
> > > It appears if MiniVend is not able to create an account in the UserDB,
my guess
> > > would be there are two orders going through at the same time trying to
> > > auto-create the same account name, since it is an incrementing number,
the
> > > second one fails, and instead of an error generating, recieves the
user info
> > > from the last logged in client, or the other user creation that it
collided
> > > with.
> >
> > We've had the same issue with order numbers recently.  Multiple users
> > getting the same order number because the order counter did not update.
> > It was pathological, it had to be our fault, but it should have been
> > caught (mv4.03).
> >
> > Failure to successfully update a counter should fail the
> > transaction, even kill the catalog.
> >
> > We're going to <ahem>solve</ahem> it by using unique enterprise
> > keys/counter for order numbers.  And we are setting up our catalogs
> > to die on non-unique order numbers.  No doubt it will work just
> > fine when everything is working.   Minivend needs a way to
> > sequence order numbers independantly for multiple instances of
> > the same catalog on independant machines, some of which may go
> > offline but still take orders.  (eg POS/callcenter on localnet)
> > The vanilla OrderCounter++ is not enough.
> >
> > It's getting to the point where the machine issuing unique numbers is
> > more mission critical than our kerberos server.  yeesh.
>
> In recent Interchange (and maybe Minivend 4) all you have to do is
>
> [perl]
> $Session->{mv_order_number} = your_unique_number();
> [/perl]
>
> It will bypass OrderCounter at that point, and use yours. Then it
> is on your head. 8-)
>
> --
> Akopia, Inc., 131 Willow Lane, Floor 2, Oxford, OH  45056
> phone +1.513.523.7621 fax 7501 <heins@akopia.com>
>
> Nature, to be commanded, must be obeyed. -- Francis Bacon
>
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