[Pkg-xfce-devel] Bug#667900: Bug#667900: [lightdm] Does not start Xsession for user without password

[Marek Straka]

> > Tested also with gdm3. It asks for "pam_mount password:" and upon
> > pressing "login" button starts Xsession without any password.
> 
> Sorry but I don't get what you mean here (but I don't use gdm3).
> 
> In the end, that looks like a pam issue, but I have no idea which.

You can test it yourself with: apt-get install gdm3

/etc/pam.d/gdm3
#%PAM-1.0
auth    requisite       pam_nologin.so
auth	required	pam_succeed_if.so user != root quiet_success
@include common-auth
auth    optional        pam_gnome_keyring.so
@include common-account
session required        pam_limits.so
session required        pam_env.so readenv=1
session required        pam_env.so readenv=1 envfile=/etc/default/locale
@include common-session
session optional        pam_gnome_keyring.so auto_start
@include common-password

/etc/pam.d/lightdm 
#%PAM-1.0
auth    requisite       pam_nologin.so
auth    required        pam_env.so readenv=1
auth    required        pam_env.so readenv=1 envfile=/etc/default/locale
#auth    sufficient      pam_thinkfinger.so
@include common-auth
auth    optional        pam_gnome_keyring.so
@include common-account
session required        pam_limits.so
@include common-session
session optional        pam_gnome_keyring.so auto_start
@include common-password

I have tried to add to lightdm pam-config:
auth	required	pam_succeed_if.so user != root quiet_success

and also changed

auth    required        pam_env.so readenv=1
auth    required        pam_env.so readenv=1 envfile=/etc/default/locale

to

session required        pam_env.so readenv=1
session required        pam_env.so readenv=1 envfile=/etc/default/locale

but it does not help. Do you still think it is PAM related problem?
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