121 lines
2.9 KiB
Nix
121 lines
2.9 KiB
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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let
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dmcfg = config.services.xserver.displayManager;
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cfg = dmcfg.kdm;
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inherit (pkgs.kde4) kdebase_workspace;
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defaultConfig =
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''
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[Shutdown]
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HaltCmd=${config.system.build.upstart}/sbin/halt
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RebootCmd=${config.system.build.upstart}/sbin/reboot
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${optionalString (config.system.boot.loader.id == "grub") ''
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BootManager=${if config.boot.loader.grub.version == 2 then "Grub2" else "Grub"}
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''}
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[X-*-Core]
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Xrdb=${pkgs.xlibs.xrdb}/bin/xrdb
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SessionsDirs=${dmcfg.session.desktops}
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Session=${dmcfg.session.script}
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FailsafeClient=${pkgs.xterm}/bin/xterm
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[X-:*-Core]
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ServerCmd=${dmcfg.xserverBin} ${dmcfg.xserverArgs}
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# KDM calls `rm' somewhere to clean up some temporary directory.
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SystemPath=${pkgs.coreutils}/bin
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# The default timeout (15) is too short in a heavily loaded boot process.
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ServerTimeout=60
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# Needed to prevent the X server from dying on logout and not coming back:
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TerminateServer=true
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[X-*-Greeter]
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HiddenUsers=root,nixbld1,nixbld2,nixbld3,nixbld4,nixbld5,nixbld6,nixbld7,nixbld8,nixbld9,nixbld10
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PluginsLogin=${kdebase_workspace}/lib/kde4/kgreet_classic.so
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${optionalString (cfg.enableXDMCP)
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''
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[Xdmcp]
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Enable=true
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''}
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'';
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kdmrc = pkgs.stdenv.mkDerivation {
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name = "kdmrc";
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config = defaultConfig + cfg.extraConfig;
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buildCommand =
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''
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echo "$config" > $out
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cat ${kdebase_workspace}/share/config/kdm/kdmrc >> $out
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'';
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};
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in
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{
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###### interface
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options = {
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services.xserver.displayManager.kdm = {
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enable = mkOption {
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default = false;
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description = ''
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Whether to enable the KDE display manager.
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'';
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};
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enableXDMCP = mkOption {
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default = false;
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description = ''
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Whether to enable XDMCP, which allows remote logins.
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'';
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};
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extraConfig = mkOption {
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default = "";
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description = ''
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Options appended to <filename>kdmrc</filename>, the
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configuration file of KDM.
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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services.xserver.displayManager.slim.enable = false;
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services.xserver.displayManager.job =
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{ execCmd =
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''
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mkdir -m 0755 -p /var/lib/kdm
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chown kdm /var/lib/kdm
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${(optionalString (config.system.boot.loader.id == "grub") "PATH=${config.system.build.grub}/sbin:$PATH ") +
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"KDEDIRS=/var/run/current-system/sw exec ${kdebase_workspace}/bin/kdm -config ${kdmrc} -nodaemon"}
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'';
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logsXsession = true;
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};
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security.pam.services = [ { name = "kde"; } ];
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users.extraUsers = singleton
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{ name = "kdm";
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uid = config.ids.uids.kdm;
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description = "KDM user";
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};
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};
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}
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