[Samba] Username case mangling -- Linux username is mixed-case, Samba returns lower-case

[Steve Briggs]

--- Jeremy Allison <jra at samba.org> wrote:

> On Tue, Apr 08, 2008 at 09:56:45AM -0700, Steve Briggs wrote:
> > I have a problem that I first observed when I upgraded from
> > 3.0.24 to 3.0.28 and is, I believe, related to the introduction
> > of the "printjob username" configuration parameter.
> > 
> > I print via CUPS and the Cups-PDF driver wants to know the
> > Linux username (so it can put the PDF in the proper location).
> > 
> > The problem is that "printjob username = %U" results in
> > a lowercase username ("steve"), even though the Linux account
> > is "Steve".  The Samba logs clearly show me authenticating
> > as "Steve" and the last message I see (with logging at 20)
> > with an obvious user name shows me connecting to the
> > Cups-PDF printer share with username "Steve".  But, the
> > Cups logs show a username of "steve" -- which ends up mapped
> > to anonymous.
> 
> I think you want to use '%u', not '%U'. From the man page :
> 
>        %U
>           session username (the username that the client wanted, not necessarily the same  as 
> the  one
>           they got).
> 
> this is the incoming Windows username. %u is :
> 
>        %u
>           username of the current service, if any.
> 
> which is a UNIX username.
> 
> Jeremy.
> 
Well, as I tried to explain in my original posting, 
I tried "%u", but (at least for the printjob username 
parameter) "%u" didn't get mapped to *anything*
... it just went through as "%u".    I noted in
the documentation that not every substitution 
necessarily works in all cases; this seems like
a case where only(?) "%U" gets mapped.

I can try "%u" again, I assumed it should work
and was surprised when it didn't....

Thanks for the suggestion...

Steve



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