Re: [kitten] spaces in SASL user names
Simon Josefsson <simon@josefsson.org> Wed, 11 April 2012 19:20 UTC
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From: Simon Josefsson <simon@josefsson.org>
To: Peter Saint-Andre <stpeter@stpeter.im>
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Date: Wed, 11 Apr 2012 21:20:05 +0200
In-Reply-To: <4F85A5DF.9050701__25300.7611529485$1334160852$gmane$org@stpeter.im> (Peter Saint-Andre's message of "Wed, 11 Apr 2012 09:40:15 -0600")
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Cc: "kitten@ietf.org" <kitten@ietf.org>
Subject: Re: [kitten] spaces in SASL user names
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Peter Saint-Andre <stpeter@stpeter.im> writes: > On 4/11/12 1:01 AM, Simon Josefsson wrote: >> Peter Saint-Andre <stpeter@stpeter.im> writes: >> >>> At the PRECIS WG session in Paris, we had quite a discussion >>> about spaces in user names. Alexey maintained that this must have >>> been included in SASLprep (RFC 4013) for a good reason, but the >>> reason wasn't clear to folks in the meeting. So I have a few >>> questions: >>> >>> 1. Do SASL user names really need to include spaces? >> >> I have seen real human names used for authentication identifiers >> more than once, so I believe the answer is yes. >> >> /Simon > > Thanks for the input. So my next question is: > >>> 3. If SASL user names *do* need to include spaces, would it be >>> fine to define simple user names in SASL as a space-separated >>> list of NameClass entities? >>> >>> Option #3 seems preferable to (a) specifying that the PRECIS >>> NameClass needs to include space (to which there was a lot of >>> resistance during the PRECIS WG session), (b) enabling folks to >>> superclass PRECIS string classes (to which there was also a lot >>> of resistance), or (c) severely subclassing the PRECIS FreeClass >>> to be something like NameClass+SP. > > Feedback is welcome. :) I believe there is some serious terminology issue if there is resistance to including space into a class of characters defined like this: NameClass: a sequence of letters, numbers, and symbols that is used to identify or address a network entity such as a user account, a venue (e.g., a chatroom), an information source (e.g., a data feed), or a collection of data (e.g., a file). Reflecting on my own usage, I have used SP in most of these types of identifiers. Some I use daily (user accounts and filenames). /Simon
- [kitten] spaces in SASL user names Peter Saint-Andre
- Re: [kitten] spaces in SASL user names Simon Josefsson
- Re: [kitten] spaces in SASL user names Nico Williams
- Re: [kitten] spaces in SASL user names Peter Saint-Andre
- Re: [kitten] spaces in SASL user names Peter Saint-Andre
- Re: [kitten] spaces in SASL user names Chris Newman
- Re: [kitten] spaces in SASL user names Peter Saint-Andre
- Re: [kitten] spaces in SASL user names Simon Josefsson
- Re: [kitten] spaces in SASL user names Alexey Melnikov
- Re: [kitten] spaces in SASL user names William Mills
- Re: [kitten] spaces in SASL user names Peter Saint-Andre