On Thu, Jul 31, 2008 at 08:34:43AM -0000, Sebastien Bacher wrote:
> > Do xdmcp and the standard greeter declare separate PAM service names?
> not that I know no but I'm not a pam expert and you might want to look
> at the code to make sure that's not the case
The gdm code does the following to decide what service name to use:
pam_stack = gdm_daemon_config_get_value_string_per_display
(GDM_KEY_PAM_STACK,
(char *)d->name);
So it looks up the service name on a per-display basis. If the mapping of
display names for xdmcp is normally static, it's still simpler to add the
"trusted" local displays to /etc/securetty instead of munging the PAM
config, I think.
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users with no password can't log in with gdm
https://bugs.launchpad.net/bugs/104957
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