| From: | David Fetter <david(at)fetter(dot)org> |
|---|---|
| To: | Stephen Frost <sfrost(at)snowman(dot)net> |
| Cc: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, David Steele <david(at)pgmasters(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Julian Markwort <julian(dot)markwort(at)uni-muenster(dot)de>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>, Valery Popov <v(dot)popov(at)postgrespro(dot)ru> |
| Subject: | Re: pg_authid.rolpassword format (was Re: Password identifiers, protocol aging and SCRAM protocol) |
| Date: | 2016-12-20 23:29:12 |
| Message-ID: | 20161220232912.GB22538@fetter.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Tue, Dec 20, 2016 at 06:14:40PM -0500, Stephen Frost wrote:
> David,
>
> * David Fetter (david(at)fetter(dot)org) wrote:
> > On Tue, Dec 20, 2016 at 08:34:19AM -0500, Stephen Frost wrote:
> > > * Heikki Linnakangas (hlinnaka(at)iki(dot)fi) wrote:
> > > > Even if you have a separate "verifier type" column, it's not fully
> > > > normalized, because there's still a dependency between the
> > > > verifier and verifier type columns. You will always need to look
> > > > at the verifier type to make sense of the verifier itself.
> > >
> > > That's true- but you don't need to look at the verifier, or even
> > > have *access* to the verifier, to look at the verifier type.
> >
> > Would a view that shows only what's to the left of the first semicolon
> > suit this purpose?
>
> Obviously a (security barrier...) view or a (security definer) function
> could be used, but I don't believe either is actually a good idea.
Would you be so kind as to help me understand what's wrong with that idea?
Best,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
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