Re: PGPASSWORD and client tools

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Andreas Pflug <pgadmin(at)pse-consulting(dot)de>, Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: PGPASSWORD and client tools
Date: 2004-08-19 01:42:37
Message-ID: 6839.1092879757@sss.pgh.pa.us
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Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> writes:
>> After some tests, I found that using the PGPASSWORD environment variable
>> will do the job. I'm a bit irritated that it's marked "deprecated" in
>> the docs, the .pgpass solution isn't a good one for tool managed passwords.

> I didn't notice it was deprecated either - it's the only way that
> phpPgAdmin can integrate with pg_dump...

It's deprecated because it's insecure, on platforms where other users can
see the environment variables passed to pg_dump (which apparently is
quite a few variants of Unix). You wouldn't pass the password on the
command line either ...

Painful as .pgpass may be for an admin tool, I do not know of any other
method I'd recommend on a multiuser machine.

regards, tom lane

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