Re: Re: Proposal for encrypting pg_shadow passwords

> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> >> BTW, a protocol version bump for this is a horrid idea. That will
> >> create lots of compatibility problems for people, whether they use
> >> the new auth mode or not.
>
> > I thought protocol bumps were the way to handle such things. The SCM
> > patch does it as well. How should I tell if I am talking to a >=7.2
> > client?
>
> You send it the new auth request code and see if it copes or not.
> There's no need to bump the overall protocol version, and every reason
> *not* to.

OK, patch attached. Pretty nifty. Try MD5 first, and if it fails, try
crypt. I tested by corrupting the MD5 on the client side, and the
crypt() fallback worked, but only if pg_shadow was plaintext.

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