nixpkgs/nixos/modules/services/x11/display-managers/auto.nix
Uli Baum 5f72169b03 nixos/displayManagers/auto: allow root auto-login
The switch from slim to lightdm in #30890 broke some nixos tests
because lightdm by default doesn't permit auto-login for root.
Override /etc/pam.d/lightdm-autologin to allow it.
2018-09-02 08:18:10 +02:00

68 lines
1.3 KiB
Nix

{ config, lib, ... }:
with lib;
let
dmcfg = config.services.xserver.displayManager;
cfg = dmcfg.auto;
in
{
###### interface
options = {
services.xserver.displayManager.auto = {
enable = mkOption {
default = false;
description = ''
Whether to enable the fake "auto" display manager, which
automatically logs in the user specified in the
<option>user</option> option. This is mostly useful for
automated tests.
'';
};
user = mkOption {
default = "root";
description = "The user account to login automatically.";
};
};
};
###### implementation
config = mkIf cfg.enable {
services.xserver.displayManager.lightdm = {
enable = true;
autoLogin = {
enable = true;
user = cfg.user;
};
};
# lightdm by default doesn't allow auto login for root, which is
# required by some nixos tests. Override it here.
security.pam.services.lightdm-autologin.text = lib.mkForce ''
auth requisite pam_nologin.so
auth required pam_succeed_if.so quiet
auth required pam_permit.so
account include lightdm
password include lightdm
session include lightdm
'';
};
}