Hi On Tue, Jul 10, 2007 at 04:22:14PM +0100, Ian Jackson wrote: > Several packages have started creating system users whose names > contain uppercase letters. These names for system users have some > advantages over normal names, particularly: > * It is easy to tell such a system user from a normal user even > if it uses a normal-user-range uid and has a per-user group.
System users shouldn't use the normal user range. But in order to use this range, they have to be created as normal user (but then without capitals). > * Mail delivery systems etc. typically won't deliver to such > users (because they lowercase the name before lookup) > * Most other tools behave properly with usernames containing > capitals. I don't know if some tools may not cope with it. > Currently packages that create system users with any uppercase letters > in the name need to pass --force-badname to adduser. This is not > ideal; for example, it gives package maintainers the idea that a name > with a capital letter is not significantly better than one containing > punctuation, top-bit-set octets, etc. To be honest: it isn't :-) > I propose that we relax this restriction. The attached patch causes > adduser to allow uppercase letters but only if --system is specified. > (This is achieved by a separate NAME_REGEX_SYSTEM config option.) > > FYI, this is being deployed in Ubuntu as adduser 3.103ubuntu1. The first point is the one that counts most (at least in my eyes). I think the best solution would be to postpone this patch for while and wait for the experiences which ubuntu will have with it. Jörg -- What did you do to the cat? It looks half-dead. -Schroedinger's wife
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