[19036] in Kerberos_V5_Development
Re: Make error messages more useful: add a URI
daemon@ATHENA.MIT.EDU (Benjamin Kaduk)
Tue Oct 7 17:44:08 2014
Date: Tue, 7 Oct 2014 17:43:54 -0400 (EDT)
From: Benjamin Kaduk <kaduk@mit.edu>
To: Roland Mainz <rmainz@redhat.com>
In-Reply-To: <1967651448.40974049.1412671681696.JavaMail.zimbra@redhat.com>
Message-ID: <alpine.GSO.1.10.1410071739390.27826@multics.mit.edu>
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Cc: Nico Williams <nico@cryptonector.com>, krbdev@mit.edu
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On Tue, 7 Oct 2014, Roland Mainz wrote:
>
>
> ----- Original Message -----
> > From: "Benjamin Kaduk" <kaduk@mit.edu>
> > To: "Roland Mainz" <rmainz@redhat.com>
> > Cc: "Nico Williams" <nico@cryptonector.com>, krbdev@mit.edu
> > Sent: Monday, October 6, 2014 5:59:22 PM
> > Subject: Re: Make error messages more useful: add a URI
> > >
> > > ----- Original Message -----
> > > > From: "Nico Williams" <nico@cryptonector.com>
> > > > To: "Greg Hudson" <ghudson@mit.edu>
> > > > Cc: krbdev@mit.edu
> > > > Sent: Thursday, October 2, 2014 11:15:08 PM
> > > > Subject: Re: Make error messages more useful: add a URI
> >
> > > 2. How can we carry over the value of LC_MESSAGES (or better: The result of
> > > LANG/LC_MESSAGES/LC_ALL, e.g. $ printf '%s\n'
> > > "${LC_ALL:-${LC_MESSAGES:-${LANG:-"C"}}}" # in a POSIX shell) ?
> >
> > I suspect this is hard to do in a concise manner, so may not end up
> > getting done.
>
> 1. Why ? AFAIK this isn't hard (see example below)
> 2. This is then going to backfire in very BAD ways for some scenarios - there are governments like (PRC, Japan, etc.) which mandate correct localisation support. No localisation support - no sales to government.
>
> One option might be to include the result of $ printf '%s\n' "${LC_ALL:-${LC_MESSAGES:-${LANG:-"C"}}}" # (minus encoding, e.g. "en_US.UTF-8" and
> "en_US.ISO8859-1" can be reduced to "en_US") into the URL, e.g. file:///usr/share/krb5/docs/en_US/krb_message_8291.html
The serious difficulties only apply to an extra piece of text inserted as
a literal value in krb5.conf. This text is administrator-supplied, and
cannot be a part of or message catalog because it is not known at compile
time. On the other hand, an administrator can choose to not put any
additional text requiring localization (e.g., retaining the original
error string and adding only a URL with no other text), in which case
there is no problem.
-Ben
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