Re: Open 7.3 items

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Ron Snyder <snyder(at)roguewave(dot)com>
Cc: "Marc G(dot) Fournier" <scrappy(at)hub(dot)org>, Neil Conway <nconway(at)klamath(dot)dyndns(dot)org>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Open 7.3 items
Date: 2002-07-31 22:46:17
Message-ID: 200207312246.g6VMkIS29924@candle.pha.pa.us
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Ron Snyder wrote:
> > OK, how do secondary passwords work in pg_hba.conf. It requires
> > clear-text 'password', right, because the password is already crypt-ed
> > in the file.
>
> I presume that you're referring to passwords being transmitted clear text?

Yes, is that your pg_hba.conf line? 'password' is insecure over
networks you don't trust.

> > One idea I had was to look for a colon in the username, and if I see
> > one, I assume everything after the colon is a password.
> > Would that work
> > for you?
>
> It would as long as there was an assumption (or method to specify) that the
> stuff after the colon is a crypt()ed password. Our method to generate the

It would be whatever password is specified on the pg_hba.conf line,
'password', 'crypt', or 'md5'.

> password file is to 'ypcat passwd > /db/etc/password; cat
> /db/etc/pg-only-passwords >> /db/etc/password'. We could very easily only
> pull only the fields we care about from our yp passwd file.
>
> I suppose I should also mention that we're not wedded to this method-- we've
> just found it convenient. If we needed to script something else up to
> connect to the databases and set passwords, we could do that too, it would
> just be a bit more work.

OK.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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