Re: Case insensitive usernames

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Magnus Hagander" <mha(at)sollentuna(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Case insensitive usernames
Date: 2005-05-10 13:58:07
Message-ID: 9910.1115733487@sss.pgh.pa.us
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"Magnus Hagander" <mha(at)sollentuna(dot)net> writes:
> Which brings me back to thinking a GUC is the way to deal with that -
> you'll definitly know what kind of KDC you have when you set up
> Kerberos. But perhaps this GUC should be for "permit case-insensitive
> kerberos principals" and not "case-insensitive usernames". And it would
> just control the comparison between kerberos principal and user-supplied
> username. The user-supplied username would still be what's used in any
> access to the database, regardless of case.

That would work for me as long as the default is case-sensitive; the
other seems too likely to be a security hazard. (And it had better be
documented that way, too: "DO NOT turn this on unless you are certain
you are using a case-insensitive KDC.")

What will we call the GUC? kerberos_case_insensitive_principals
seems a bit, um, verbose.

regards, tom lane

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