[Samba] .Xauthority & SMB

Shannon Johnson sjohnson at engr.psu.edu
Thu Dec 11 20:36:54 GMT 2003

I may end up just waiting until I get a copy of Red Hat Enterprise Linux
3 before I think too much more about this.

I put the "echo $XAUTHORITY >> /tmp/xauth_log" in there, and the file
reads "/tmp/.gdmB2gQMM"... however, that file no longer exists.

If it helps, when you type in the password first, it immediately rejects
it and pops up the username field again. Then, when you put in the
username, it waits a second or two before asking for the password...
like maybe it's trying to connect to the Windows server. I haven't
played around with it too much, as I'm starting to think there's more
problems here than I can fix in an afternoon... or a week...

Shannon Johnson
Network Support Specialist / Systems Administrator
Dept. of Mechanical and Nuclear Engineering
224 Reber Building
University Park, PA 16802
Phone: (814) 865-8267

> -----Original Message-----
> From: Fredrik Tolf [mailto:fredrik at dolda2000.com]
> Sent: Thursday, December 11, 2003 3:09 PM
> To: Shannon Johnson
> Cc: Fredrik Tolf; Samba
> Subject: RE: [Samba] .Xauthority & SMB
> Shannon Johnson writes:
>  > I changed the Xsession file, and this is the result (and it's quite
>  > long):
>  >
>  > /etc/X11/gdm/PreSession/Default: Registering your session with wtmp
>  > utmp
>  > /etc/X11/gdm/PreSession/Default: running: /usr/bin/X11/sessreg -a
>  > /var/log/wtmp -u /var/run/utmp -x "/var/gdm/:0.Xservers" -h "" -1
>  > "test"
>  >
>  > Xlib: connection to ":0.0" refused by server
>  > Xlib: No protocol specified
>  >
>  > xsetroot:  unable to open display ':0'
>  > Xlib: connection to ":0.0" refused by server
>  > Xlib: No protocol specified
>  > [...]
>  > Xlib: connection to ":0.0" refused by server
>  > Xlib: No protocol specified
>  >
>  > (gnome-session:1604): Gtk-WARNING **: cannot open display:
>  >
> That's interesting, and it beats me why I didn't think of that
> before. It appears as if the X programs called from Xsession are
> (were) able to connect to the X server, which means that XAUTHORITY
> has to be set correctly when Xsession starts. Remove the export line
> and replace it with "echo $XAUTHORITY >>/tmp/xauth_log" or something
> similar to see where gdm has stored the cookie. If the file ends up
> empty, that means that the file is in the user's home directory (which
> does sound strange, yes), but as far as I know, gdm always sets
> XAUTHORITY before forking Xsession, so that shouldn't happen.
>  > Another relatively minor problem (irritating, if nothing else) is
>  > GUI login screen. It comes up with the "password" blank first, then
>  > "username". I put in the username (test, in this case), then after
>  > waits for a second or two, it asks for the password, and I enter
it. It
>  > rejects it, then prompts me for the username again. This time, when
>  > enter "test", it immediately lets me in (skipping the password
>  > again). It may or may not have to do with my other problem, but I
>  > figured it was something I screwed up in my pam configuration.
> That does sound really weird. I thought GDM was hardwired to ask for
> the username first. That ruins my idea of how GDM works, so the only
> thing I can think of right now to solve it is to download the source
> for GDM and debug it.
> Fredrik Tolf

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