Merge remote-tracking branch 'cloudkrebs/master' into pre-merge

33 files changed, 840 insertions, 481 deletions

diff --git a/lass/1systems/echelon.nix b/lass/1systems/echelon.nix
index dc0ca0274..39af4a96f 100644
--- a/lass/1systems/echelon.nix
+++ b/lass/1systems/echelon.nix
@@ -13,7 +13,7 @@ in {
     ../2configs/realwallpaper-server.nix
     ../2configs/privoxy-retiolum.nix
     ../2configs/git.nix
-    ../2configs/redis.nix
+    #../2configs/redis.nix
     ../2configs/go.nix
     ../2configs/ircd.nix
     ../2configs/newsbot-js.nix
diff --git a/lass/1systems/mors.nix b/lass/1systems/mors.nix
index 7db3f8333..7b91fa6be 100644
--- a/lass/1systems/mors.nix
+++ b/lass/1systems/mors.nix
@@ -18,10 +18,37 @@
     ../2configs/chromium-patched.nix
     ../2configs/git.nix
     ../2configs/retiolum.nix
-    ../2configs/wordpress.nix
+    #../2configs/wordpress.nix
     ../2configs/bitlbee.nix
     ../2configs/firefoxPatched.nix
     ../2configs/skype.nix
+    {
+      #risk of rain port
+      krebs.iptables.tables.filter.INPUT.rules = [
+        { predicate = "-p tcp --dport 11100"; target = "ACCEPT"; }
+      ];
+    }
+    {
+      #wordpress-test
+      #imports = singleton (sitesGenerators.createWordpress "testserver.de");
+      imports = [
+        ../3modules/wordpress_nginx.nix
+      ];
+      lass.wordpress."testserver.de" = {
+      };
+
+      services.mysql = {
+        enable = true;
+        package = pkgs.mariadb;
+        rootPassword = "<secrets>/mysql_rootPassword";
+      };
+      networking.extraHosts = ''
+        10.243.0.2 testserver.de
+      '';
+      krebs.iptables.tables.filter.INPUT.rules = [
+        { predicate = "-i retiolum -p tcp --dport 80"; target = "ACCEPT"; precedence = 9998; }
+      ];
+    }
   ];
 
   krebs.build.host = config.krebs.hosts.mors;
diff --git a/lass/1systems/prism.nix b/lass/1systems/prism.nix
index 87334c3c2..599f4704e 100644
--- a/lass/1systems/prism.nix
+++ b/lass/1systems/prism.nix
@@ -10,6 +10,8 @@ in {
     ../2configs/downloading.nix
     ../2configs/git.nix
     ../2configs/ts3.nix
+    ../2configs/bitlbee.nix
+    ../2configs/weechat.nix
     {
       users.extraGroups = {
         # ● systemd-tmpfiles-setup.service - Create Volatile Files and Directories
@@ -87,6 +89,33 @@ in {
     {
       nixpkgs.config.allowUnfree = true;
     }
+    {
+      #stuff for juhulian
+      users.extraUsers.juhulian = {
+        name = "juhulian";
+        uid = 1339;
+        home = "/home/juhulian";
+        group = "users";
+        createHome = true;
+        useDefaultShell = true;
+        extraGroups = [
+        ];
+        openssh.authorizedKeys.keys = [
+          "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDBQhLGvfv4hyQ/nqJGy1YgHXPSVl6igeWTroJSvAhUFgoh+rG+zvqY0EahKXNb3sq0/OYDCTJVuucc0hgCg7T2KqTqMtTb9EEkRmCFbD7F7DWZojCrh/an6sHneqT5eFvzAPZ8E5hup7oVQnj5P5M3I9keRHBWt1rq6q0IcOEhsFvne4qJc73aLASTJkxzlo5U8ju3JQOl6474ECuSn0lb1fTrQ/SR1NgF7jV11eBldkS8SHEB+2GXjn4Yrn+QUKOnDp+B85vZmVlJSI+7XR1/U/xIbtAjGTEmNwB6cTbBv9NCG9jloDDOZG4ZvzzHYrlBXjaigtQh2/4mrHoKa5eV juhulian@juhulian"
+        ];
+      };
+      krebs.iptables.tables.filter.INPUT.rules = [
+        { predicate = "-p udp --dport 60000:61000"; target = "ACCEPT";}
+      ];
+    }
+    {
+      environment.systemPackages = [
+        pkgs.perlPackages.Plack
+      ];
+      krebs.iptables.tables.filter.INPUT.rules = [
+        { predicate = "-p tcp --dport 8080"; target = "ACCEPT";}
+      ];
+    }
   ];
 
   krebs.build.host = config.krebs.hosts.prism;
diff --git a/lass/1systems/test-arch.nix b/lass/1systems/test-arch.nix
deleted file mode 100644
index 0ab9da2f3..000000000
--- a/lass/1systems/test-arch.nix
+++ /dev/null
@@ -1,36 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-let
-  inherit (import ../4lib { inherit pkgs lib; }) getDefaultGateway;
-  inherit (lib) head;
-
-in {
-  imports = [
-    ../2configs/base.nix
-    {
-      boot.loader.grub = {
-        device = "/dev/sda";
-        splashImage = null;
-      };
-
-      boot.initrd.availableKernelModules = [
-        "ata_piix"
-        "vmw_pvscsi"
-      ];
-
-      fileSystems."/" = {
-        device = "/dev/sda1";
-      };
-    }
-    {
-      networking.dhcpcd.allowInterfaces = [
-        "enp*"
-      ];
-    }
-    {
-      sound.enable = false;
-    }
-  ];
-
-  krebs.build.host = config.krebs.hosts.test-arch;
-}
diff --git a/lass/1systems/test-centos6.nix b/lass/1systems/test-centos6.nix
deleted file mode 100644
index 7270c2262..000000000
--- a/lass/1systems/test-centos6.nix
+++ /dev/null
@@ -1,30 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-let
-  inherit (import ../4lib { inherit pkgs lib; }) getDefaultGateway;
-  inherit (lib) head;
-
-  ip = "168.235.148.52";
-in {
-  imports = [
-    ../2configs/base.nix
-    ../2configs/os-templates/CAC-CentOS-6.5-64bit.nix
-    {
-      networking.interfaces.enp11s0.ip4 = [
-        {
-          address = ip;
-          prefixLength = 24;
-        }
-      ];
-      networking.defaultGateway = getDefaultGateway ip;
-      networking.nameservers = [
-        "8.8.8.8"
-      ];
-    }
-    {
-      sound.enable = false;
-    }
-  ];
-
-  krebs.build.host = config.krebs.hosts.test-centos6;
-}
diff --git a/lass/1systems/test-centos7.nix b/lass/1systems/test-centos7.nix
deleted file mode 100644
index 91bd3e0fe..000000000
--- a/lass/1systems/test-centos7.nix
+++ /dev/null
@@ -1,31 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-let
-  inherit (import ../4lib { inherit pkgs lib; }) getDefaultGateway;
-  inherit (lib) head;
-
-  ip = "168.235.145.85";
-in {
-  imports = [
-    ../2configs/base.nix
-    ../2configs/os-templates/CAC-CentOS-7-64bit.nix
-    {
-      networking.interfaces.enp2s1.ip4 = [
-        {
-          address = ip;
-          prefixLength = 24;
-        }
-      ];
-      networking.defaultGateway = getDefaultGateway ip;
-      networking.nameservers = [
-        "8.8.8.8"
-      ];
-
-    }
-    {
-      sound.enable = false;
-    }
-  ];
-
-  krebs.build.host = config.krebs.hosts.test-centos7;
-}
diff --git a/lass/2configs/base.nix b/lass/2configs/base.nix
index 11bc4f089..61023057b 100644
--- a/lass/2configs/base.nix
+++ b/lass/2configs/base.nix
@@ -48,7 +48,7 @@ with lib;
       source = {
         git.nixpkgs = {
           url = https://github.com/Lassulus/nixpkgs;
-          rev = "6d31e9b81dcd4ab927bb3dc91b612dd5abfa2f80";
+          rev = "8d1ce129361312334bf914ce0d27e463cb0bb21b";
         };
         dir.secrets = {
           host = config.krebs.hosts.mors;
@@ -92,6 +92,10 @@ with lib;
     most
     rxvt_unicode.terminfo
 
+  #monitoring tools
+    htop
+    iotop
+
   #network
     iptables
 
diff --git a/lass/2configs/baseX.nix b/lass/2configs/baseX.nix
index 3be3676aa..4e46c18d2 100644
--- a/lass/2configs/baseX.nix
+++ b/lass/2configs/baseX.nix
@@ -5,7 +5,8 @@ let
 in {
   imports = [
     ./base.nix
-    ./urxvt.nix
+    #./urxvt.nix
+    ./xserver
   ];
 
   users.extraUsers.mainUser.extraGroups = [ "audio" ];
@@ -34,38 +35,39 @@ in {
     sxiv
     much
     push
+    zathura
 
   #window manager stuff
-    haskellPackages.xmobar
-    haskellPackages.yeganesh
-    dmenu2
-    xlibs.fontschumachermisc
+    #haskellPackages.xmobar
+    #haskellPackages.yeganesh
+    #dmenu2
+    #xlibs.fontschumachermisc
   ];
 
-  fonts.fonts = [
-    pkgs.xlibs.fontschumachermisc
-  ];
-
-  services.xserver = {
-    enable = true;
-
-    windowManager.xmonad.extraPackages = hspkgs: with hspkgs; [
-      X11-xshape
-    ];
-    windowManager.xmonad.enable = true;
-    windowManager.xmonad.enableContribAndExtras = true;
-    windowManager.default = "xmonad";
-    desktopManager.default = "none";
-    desktopManager.xterm.enable = false;
-    displayManager.slim.enable = true;
-    displayManager.auto.enable = true;
-    displayManager.auto.user = mainUser.name;
-
-    layout = "us";
-    xkbModel = "evdev";
-    xkbVariant = "altgr-intl";
-    xkbOptions = "caps:backspace";
-  };
+  #fonts.fonts = [
+  #  pkgs.xlibs.fontschumachermisc
+  #];
+
+  #services.xserver = {
+  #  enable = true;
+
+  #  windowManager.xmonad.extraPackages = hspkgs: with hspkgs; [
+  #    X11-xshape
+  #  ];
+  #  windowManager.xmonad.enable = true;
+  #  windowManager.xmonad.enableContribAndExtras = true;
+  #  windowManager.default = "xmonad";
+  #  desktopManager.default = "none";
+  #  desktopManager.xterm.enable = false;
+  #  displayManager.slim.enable = true;
+  #  displayManager.auto.enable = true;
+  #  displayManager.auto.user = mainUser.name;
+
+  #  layout = "us";
+  #  xkbModel = "evdev";
+  #  xkbVariant = "altgr-intl";
+  #  xkbOptions = "caps:backspace";
+  #};
 
   services.logind.extraConfig = ''
     HandleLidSwitch=ignore
diff --git a/lass/2configs/bitlbee.nix b/lass/2configs/bitlbee.nix
index fa14c7fea..b23628dc5 100644
--- a/lass/2configs/bitlbee.nix
+++ b/lass/2configs/bitlbee.nix
@@ -1,16 +1,12 @@
 { config, pkgs, ... }:
 
-let
-  lpkgs = import ../5pkgs { inherit pkgs; };
-in {
-
-  imports = [
-    ../3modules/bitlbee.nix
-  ];
-
-  lass.bitlbee = {
+{
+  services.bitlbee = {
     enable = true;
-    bitlbeePkg = lpkgs.bitlbee;
     portNumber = 6666;
+    plugins = [
+      pkgs.bitlbee-facebook
+      pkgs.bitlbee-steam
+    ];
   };
 }
diff --git a/lass/2configs/browsers.nix b/lass/2configs/browsers.nix
index 5a1857973..849778a7a 100644
--- a/lass/2configs/browsers.nix
+++ b/lass/2configs/browsers.nix
@@ -1,7 +1,15 @@
 { config, lib, pkgs, ... }:
 
 let
-  inherit (import ../4lib { inherit pkgs lib; }) simpleScript;
+  simpleScript = name: content:
+    pkgs.stdenv.mkDerivation {
+      inherit name;
+      phases = [ "installPhase" ];
+      installPhase = ''
+        mkdir -p $out/bin
+        ln -s ${pkgs.writeScript name content} $out/bin/${name}
+      '';
+    };
 
   mainUser = config.users.extraUsers.mainUser;
   createChromiumUser = name: extraGroups: packages:
diff --git a/lass/2configs/git.nix b/lass/2configs/git.nix
index 7e8fc03c7..16ecaefec 100644
--- a/lass/2configs/git.nix
+++ b/lass/2configs/git.nix
@@ -1,6 +1,6 @@
 { config, lib, pkgs, ... }:
 
-with import ../../tv/4lib { inherit lib pkgs; };
+with lib;
 
 let
 
@@ -43,19 +43,19 @@ let
         collaborators = with config.krebs.users; [ tv makefu ];
       };
     } //
-    import /root/src/secrets/repos.nix { inherit config lib pkgs; }
+    import <secrets/repos.nix> { inherit config lib pkgs; }
   );
 
   make-public-repo = name: { desc ? null, ... }: {
     inherit name desc;
     public = true;
     hooks = {
-      post-receive = git.irc-announce {
+      post-receive = pkgs.git-hooks.irc-announce {
         # TODO make nick = config.krebs.build.host.name the default
         nick = config.krebs.build.host.name;
         channel = "#retiolum";
         server = "cd.retiolum";
-        verbose = config.krebs.build.host.name == "echelon";
+        verbose = config.krebs.build.host.name == "prism";
       };
     };
   };
diff --git a/lass/2configs/go.nix b/lass/2configs/go.nix
index 81a02ec7c..f4c2ac289 100644
--- a/lass/2configs/go.nix
+++ b/lass/2configs/go.nix
@@ -2,13 +2,10 @@
 
 with lib;
 {
-  imports = [
-    ../3modules/go.nix
-  ];
   environment.systemPackages = [
     pkgs.go
   ];
-  lass.go = {
+  krebs.go = {
     enable = true;
   };
   krebs.nginx = {
diff --git a/lass/2configs/mc.nix b/lass/2configs/mc.nix
index 87880ed00..b7d5a4ceb 100644
--- a/lass/2configs/mc.nix
+++ b/lass/2configs/mc.nix
@@ -159,37 +159,25 @@ let
 
     ### Images ###
 
-    type/^GIF
+    shell/i/.gif
       Include=image
 
-    type/^JPEG
+    regex/i/\.jpe?g$
       Include=image
 
-    type/^PC\ bitmap
+    shell/i/.bmp
       Include=image
 
-    type/^PNG
+    shell/i/.png
       Include=image
 
-    type/^JNG
+    shell/i/.jng
       Include=image
 
-    type/^MNG
+    shell/i/.mng
       Include=image
 
-    type/^TIFF
-      Include=image
-
-    type/^PBM
-      Include=image
-
-    type/^PGM
-      Include=image
-
-    type/^PPM
-      Include=image
-
-    type/^Netpbm
+    shell/i/.tiff
       Include=image
 
     shell/.ico
@@ -283,7 +271,7 @@ let
     ### Documents ###
 
     # PDF
-    type/^PDF
+    shell/i/.pdf
       Open=zathura %f
       View=zathura %f
 
diff --git a/lass/2configs/skype.nix b/lass/2configs/skype.nix
index 7e4618a7b..6a226441b 100644
--- a/lass/2configs/skype.nix
+++ b/lass/2configs/skype.nix
@@ -4,10 +4,6 @@ let
   mainUser = config.users.extraUsers.mainUser;
 
 in {
-  imports = [
-    ../3modules/per-user.nix
-  ];
-
   users.extraUsers = {
     skype = {
       name = "skype";
@@ -20,7 +16,7 @@ in {
     };
   };
 
-  lass.per-user.skype.packages = [
+  krebs.per-user.skype.packages = [
     pkgs.skype
   ];
 
diff --git a/lass/2configs/weechat.nix b/lass/2configs/weechat.nix
index cfcc1a2f6..18007ed61 100644
--- a/lass/2configs/weechat.nix
+++ b/lass/2configs/weechat.nix
@@ -1,22 +1,37 @@
 { config, lib, pkgs, ... }:
 
-with lib;
 {
-  imports = [
-    ../3modules/per-user.nix
-  ];
-
-  lass.per-user.chat.packages = [
+  krebs.per-user.chat.packages = [
     pkgs.weechat
     pkgs.tmux
   ];
 
   users.extraUsers.chat = {
     home = "/home/chat";
+    uid = 986764891; # genid chat
     useDefaultShell = true;
     createHome = true;
-    openssh.authorizedKeys.keys = map readFile [
-      ../../krebs/Zpubkeys/lass.ssh.pub
+    openssh.authorizedKeys.keys = [
+      config.krebs.users.lass.pubkey
     ];
   };
+
+  #systemd.services.chat = {
+  #  description = "chat environment setup";
+  #  after = [ "network.target" ];
+  #  wantedBy = [ "multi-user.target" ];
+
+  #  path = with pkgs; [
+  #    weechat
+  #    tmux
+  #  ];
+
+  #  restartIfChanged = true;
+
+  #  serviceConfig = {
+  #    User = "chat";
+  #    Restart = "always";
+  #    ExecStart = "${pkgs.tmux}/bin/tmux new -s IM weechat";
+  #  };
+  #};
 }
diff --git a/lass/2configs/xserver/Xresources.nix b/lass/2configs/xserver/Xresources.nix
new file mode 100644
index 000000000..d52418897
--- /dev/null
+++ b/lass/2configs/xserver/Xresources.nix
@@ -0,0 +1,27 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+pkgs.writeText "Xresources" ''
+  URxvt*scrollBar:                      false
+  URxvt*urgentOnBell:                   true
+  URxvt*font:                           -*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-*
+  URxvt*boldFont:                       -*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-*
+
+  ! ref https://github.com/muennich/urxvt-perls
+  URxvt.perl-lib: ${pkgs.urxvt_perls}/lib/urxvt/perl
+  URxvt.perl-ext-common:      default,clipboard,url-select,keyboard-select
+  URxvt.url-select.launcher:  browser-select
+  URxvt.url-select.underline: true
+  URxvt.keysym.M-u:           perl:url-select:select_next
+  URxvt.keysym.M-Escape:      perl:keyboard-select:activate
+  URxvt.keysym.M-s:           perl:keyboard-select:search
+
+  URxvt.intensityStyles: false
+
+  URxvt*background:                     #000000
+  URxvt*foreground:                     #ffffff
+
+  !change unreadable blue
+  URxvt*color4:                         #268bd2
+''
diff --git a/lass/2configs/xserver/default.nix b/lass/2configs/xserver/default.nix
new file mode 100644
index 000000000..ceccf5fee
--- /dev/null
+++ b/lass/2configs/xserver/default.nix
@@ -0,0 +1,161 @@
+{ config, lib, pkgs, ... }@args:
+
+with lib;
+
+let
+  # TODO krebs.build.user
+  user = config.users.users.mainUser;
+
+  out = {
+
+    services.xserver = {
+      display = 11;
+      tty = 11;
+
+      synaptics = {
+        enable = true;
+        twoFingerScroll = true;
+        accelFactor = "0.035";
+      };
+
+      #keyboard stuff
+      layout = "us";
+      xkbVariant = "altgr-intl";
+      xkbOptions = "caps:backspace";
+    };
+
+    fonts.fonts = [
+      pkgs.xlibs.fontschumachermisc
+    ];
+
+    systemd.services.urxvtd = {
+      wantedBy = [ "multi-user.target" ];
+      reloadIfChanged = true;
+      serviceConfig = {
+        ExecReload = need-reload "urxvtd.service";
+        ExecStart = "${pkgs.rxvt_unicode}/bin/urxvtd";
+        Restart = "always";
+        RestartSec = "2s";
+        StartLimitBurst = 0;
+        User = user.name;
+      };
+    };
+
+    environment.systemPackages = [
+      pkgs.gitAndTools.qgit
+      pkgs.mpv
+      pkgs.pavucontrol
+      pkgs.slock
+      pkgs.sxiv
+      pkgs.xsel
+      pkgs.zathura
+    ];
+
+    security.setuidPrograms = [
+      "slock"
+    ];
+
+    systemd.services.display-manager = mkForce {};
+
+    services.xserver.enable = true;
+
+    systemd.services.xmonad = {
+      wantedBy = [ "multi-user.target" ];
+      requires = [ "xserver.service" ];
+      environment = xmonad-environment;
+      serviceConfig = {
+        ExecStart = "${xmonad-start}/bin/xmonad";
+        ExecStop = "${xmonad-stop}/bin/xmonad-stop";
+        User = user.name;
+        WorkingDirectory = user.home;
+      };
+    };
+
+    systemd.services.xserver = {
+      after = [
+        "systemd-udev-settle.service"
+        "local-fs.target"
+        "acpid.service"
+      ];
+      reloadIfChanged = true;
+      environment = xserver-environment;
+      serviceConfig = {
+        ExecReload = need-reload "xserver.service";
+        ExecStart = "${xserver}/bin/xserver";
+      };
+    };
+  };
+
+  xmonad-environment = {
+    DISPLAY = ":${toString config.services.xserver.display}";
+    XMONAD_STATE = "/tmp/xmonad.state";
+
+    # XXX JSON is close enough :)
+    XMONAD_WORKSPACES0_FILE = pkgs.writeText "xmonad.workspaces0" (toJSON [
+      "cr"
+      "gm"
+      "ff"
+      "IM"
+      "mail"
+      "stockholm"
+    ]);
+  };
+
+  xmonad-start = pkgs.writeScriptBin "xmonad" ''
+    #! ${pkgs.bash}/bin/bash
+    set -efu
+    export PATH; PATH=${makeSearchPath "bin" ([
+      pkgs.rxvt_unicode
+      pkgs.i3lock
+      pkgs.haskellPackages.yeganesh
+      pkgs.haskellPackages.xmobar
+      pkgs.dmenu
+    ] ++ config.environment.systemPackages)}:/var/setuid-wrappers
+    settle() {(
+      # Use PATH for a clean journal
+      command=''${1##*/}
+      PATH=''${1%/*}; export PATH
+      shift
+      until "$command" "$@"; do
+        ${pkgs.coreutils}/bin/sleep 1
+      done
+    )&}
+    settle ${pkgs.xorg.xhost}/bin/xhost +LOCAL:
+    settle ${pkgs.xorg.xrdb}/bin/xrdb -merge ${import ./Xresources.nix args}
+    settle ${pkgs.xorg.xsetroot}/bin/xsetroot -solid '#1c1c1c'
+    exec ${pkgs.xmonad-lass}/bin/xmonad
+  '';
+
+  xmonad-stop = pkgs.writeScriptBin "xmonad-stop" ''
+    #! /bin/sh
+    exec ${pkgs.xmonad-lass}/bin/xmonad --shutdown
+  '';
+
+  xserver-environment = {
+    XKB_BINDIR = "${pkgs.xorg.xkbcomp}/bin"; # Needed for the Xkb extension.
+    XORG_DRI_DRIVER_PATH = "/run/opengl-driver/lib/dri"; # !!! Depends on the driver selected at runtime.
+    LD_LIBRARY_PATH = concatStringsSep ":" (
+      [ "${pkgs.xorg.libX11}/lib" "${pkgs.xorg.libXext}/lib" ]
+      ++ concatLists (catAttrs "libPath" config.services.xserver.drivers));
+  };
+
+  xserver = pkgs.writeScriptBin "xserver" ''
+    #! /bin/sh
+    set -efu
+    exec ${pkgs.xorg.xorgserver}/bin/X \
+        :${toString config.services.xserver.display} \
+        vt${toString config.services.xserver.tty} \
+        -config ${import ./xserver.conf.nix args} \
+        -logfile /var/log/X.${toString config.services.xserver.display}.log \
+        -nolisten tcp \
+        -xkbdir ${pkgs.xkeyboard_config}/etc/X11/xkb \
+  '';
+
+  need-reload = s: let
+    pkg = pkgs.writeScriptBin "need-reload" ''
+      #! /bin/sh
+      echo "$*"
+    '';
+  in "${pkg}/bin/need-reload ${s}";
+
+in out
diff --git a/lass/2configs/xserver/xserver.conf.nix b/lass/2configs/xserver/xserver.conf.nix
new file mode 100644
index 000000000..e8a997a99
--- /dev/null
+++ b/lass/2configs/xserver/xserver.conf.nix
@@ -0,0 +1,40 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.xserver;
+in
+
+pkgs.stdenv.mkDerivation {
+  name = "xserver.conf";
+
+  xfs = optionalString (cfg.useXFS != false)
+    ''FontPath "${toString cfg.useXFS}"'';
+
+  inherit (cfg) config;
+
+  buildCommand =
+    ''
+      echo 'Section "Files"' >> $out
+      echo $xfs >> $out
+
+      for i in ${toString config.fonts.fonts}; do
+        if test "''${i:0:''${#NIX_STORE}}" == "$NIX_STORE"; then
+          for j in $(find $i -name fonts.dir); do
+            echo "  FontPath \"$(dirname $j)\"" >> $out
+          done
+        fi
+      done
+
+      for i in $(find ${toString cfg.modules} -type d); do
+        if test $(echo $i/*.so* | wc -w) -ne 0; then
+          echo "  ModulePath \"$i\"" >> $out
+        fi
+      done
+
+      echo 'EndSection' >> $out
+
+      echo "$config" >> $out
+    '';
+}
diff --git a/lass/3modules/default.nix b/lass/3modules/default.nix
index b081dc3cc..7c85af3a4 100644
--- a/lass/3modules/default.nix
+++ b/lass/3modules/default.nix
@@ -4,10 +4,10 @@ _:
     .