Re: Odd postgres12 upgrade is changing or munging a password?

On 5/8/20 12:03 PM, Tory M Blue wrote:
>
>
> On Thu, May 7, 2020 at 12:32 PM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com
> <mailto:adrian(dot)klaver(at)aklaver(dot)com>> wrote:
>
> On 5/7/20 12:24 PM, Tory M Blue wrote:
> > Yes same password, I'm using a basic alter command to put the right
> > password back.
> >
> > I'm doing another upgrade in an hour, and will do some more
> checks to
> > see if it's trying to use another password or what. I obviously
> can't
> > read the password from the file , so knowing if it's munged or
> other,
> > I'm not sure is possible.
> >
> > Upgrade command i'm running
> >
> > time /usr/pgsql-12/bin/pg_upgrade --old-bindir /usr/pgsql-9.5/bin/
> > --new-bindir /usr/pgsql-12/bin/ --old-datadir /pgsql/9.5/data
> > --new-datadir /pgsql/12/data --link
> >
> > So it's very odd. and I've not experienced this in other
> environments,
> > it's just this one. Now it's a bigger data set, but very odd.
>
> Anything different about this environment e.g. locale?
>
> What is the encoding/character set for the database?
>
> >
> > I'm also not seeing any other data issues, just seems to be this one
> > password.
>
> I'm assuming you have super user access so you could look at the
> password in:
>
> https://www.postgresql.org/docs/12/view-pg-shadow.html
>
> on the old server and then on the new server.
>
>
> It absolutely did change the password. Only 1 password out of 4
> accounts, but it changed it. The MD5 is different so this is verified.
> But why, how?

To maybe answer that:

1) Can you find out what the clear text version of the password is? Not
necessary to share here, just indicate anything special about it.

2) What is the encoding/character set for the database?

3) What is the OS and version?

4) Has the OS been recently updated/upgraded?

>
> Tory

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com