Merge remote-tracking branch 'prism/master'

20 files changed, 401 insertions, 132 deletions

diff --git a/lass/1systems/cabal/config.nix b/lass/1systems/cabal/config.nix
new file mode 100644
index 000000000..7eba86c52
--- /dev/null
+++ b/lass/1systems/cabal/config.nix
@@ -0,0 +1,35 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    <stockholm/lass>
+    <stockholm/lass/2configs/hw/x220.nix>
+    <stockholm/lass/2configs/boot/stock-x220.nix>
+
+    <stockholm/lass/2configs/mouse.nix>
+    <stockholm/lass/2configs/retiolum.nix>
+    <stockholm/lass/2configs/exim-retiolum.nix>
+    <stockholm/lass/2configs/baseX.nix>
+    <stockholm/lass/2configs/browsers.nix>
+    <stockholm/lass/2configs/programs.nix>
+    <stockholm/lass/2configs/fetchWallpaper.nix>
+    <stockholm/lass/2configs/backups.nix>
+    <stockholm/lass/2configs/games.nix>
+    <stockholm/lass/2configs/bitcoin.nix>
+  ];
+
+  krebs.build.host = config.krebs.hosts.cabal;
+
+  #fileSystems = {
+  #  "/bku" = {
+  #    device = "/dev/mapper/pool-bku";
+  #    fsType = "btrfs";
+  #    options = ["defaults" "noatime" "ssd" "compress=lzo"];
+  #  };
+  #};
+
+  #services.udev.extraRules = ''
+  #  SUBSYSTEM=="net", ATTR{address}=="00:24:d7:f0:a0:0c", NAME="wl0"
+  #  SUBSYSTEM=="net", ATTR{address}=="f0:de:f1:71:cb:35", NAME="et0"
+  #'';
+}
diff --git a/lass/1systems/cabal/source.nix b/lass/1systems/cabal/source.nix
new file mode 100644
index 000000000..5d9507f3d
--- /dev/null
+++ b/lass/1systems/cabal/source.nix
@@ -0,0 +1,4 @@
+import <stockholm/lass/source.nix> {
+  name = "cabal";
+  secure = true;
+}
diff --git a/lass/1systems/helios/config.nix b/lass/1systems/helios/config.nix
index c4d99cb2c..e64cfbe79 100644
--- a/lass/1systems/helios/config.nix
+++ b/lass/1systems/helios/config.nix
@@ -131,7 +131,7 @@ with import <stockholm/lib>;
   ];
 
   services.xserver.displayManager.sessionCommands = ''
-    ${pkgs.xorg.xrandr}/bin/xrandr --output DP-6 --off --output DP-5 --off --output DP-4 --mode 2560x1440 --pos 3840x0 --rotate left --output DP-3 --off --output DP-2 --primary --mode 3840x2160 --pos 0x400 --rotate normal --output DP-1 --off --output DP-0 --mode 2560x1440 --pos 5280x1120 --rotate normal
+    ${pkgs.xorg.xrandr}/bin/xrandr --output DP-6 --off --output DP-5 --off --output DP-4 --mode 2560x1440 --pos 3840x0 --rotate left --output DP-3 --off --output DP-2 --primary --mode 3840x2160 --scale 0.5x0.5 --pos 0x400 --rotate normal --output DP-1 --off --output DP-0 --mode 2560x1440 --pos 5280x1120 --rotate normal
   '';
 
   networking.hostName = lib.mkForce "BLN02NB0162";
@@ -168,8 +168,6 @@ with import <stockholm/lib>;
     '')
   ];
 
-  lass.screenlock.command = "${pkgs.i3lock}/bin/i3lock -i /home/lass/lock.png -t -f";
-
   programs.adb.enable = true;
   users.users.mainUser.extraGroups = [ "adbusers" "docker" ];
 
diff --git a/lass/1systems/mors/config.nix b/lass/1systems/mors/config.nix
index 6ca980155..f77bc64c2 100644
--- a/lass/1systems/mors/config.nix
+++ b/lass/1systems/mors/config.nix
@@ -170,31 +170,11 @@ with import <stockholm/lib>;
       export PATH=${makeBinPath [
         pkgs.bash
         pkgs.coreutils
-        pkgs.nix
-        (pkgs.writeDashBin "is-git-crypt-locked" ''
-          magic=$(dd status=none if="$1" skip=1 bs=1 count=8)
-          test "$magic" = GITCRYPT
-        '')
+        pkgs.nixUnstable
       ]}
       cd ~/stockholm
       export SYSTEM="$1"
-      if is-git-crypt-locked ~/secrets/ready; then
-        echo 'secrets are crypted' >&2
-        exit 23
-      else
-        exec nix-shell -I stockholm="$PWD" --run 'deploy --diff --system="$SYSTEM"'
-      fi
-    '';
-    predeploy = pkgs.writeDash "predeploy" ''
-      set -eu
-      export PATH=${makeBinPath [
-        pkgs.bash
-        pkgs.coreutils
-        pkgs.nix
-      ]}
-      cd ~/stockholm
-      export SYSTEM="$1"
-      exec nix-shell -I stockholm="$PWD" --run 'test --system="$SYSTEM" --target="$SYSTEM/var/test/" --force-populate'
+      exec nix-shell -I stockholm="$PWD" --run 'deploy --system="$SYSTEM"'
     '';
   };
 
diff --git a/lass/2configs/baseX.nix b/lass/2configs/baseX.nix
index 2b7a5c924..ed179ded6 100644
--- a/lass/2configs/baseX.nix
+++ b/lass/2configs/baseX.nix
@@ -2,6 +2,7 @@
 with import <stockholm/lib>;
 let
   user = config.krebs.build.user;
+  xmonad-lass = pkgs.callPackage <stockholm/lass/5pkgs/custom/xmonad-lass> { inherit config; };
 in {
   imports = [
     ./mpv.nix
@@ -84,7 +85,6 @@ in {
     powertop
     push
     rxvt_unicode_with-plugins
-    screengrab
     slock
     sxiv
     timewarrior
@@ -99,6 +99,7 @@ in {
     zathura
 
     cabal2nix
+    xephyrify
   ];
 
   fonts.fonts = with pkgs; [
@@ -129,7 +130,6 @@ in {
   };
 
   systemd.user.services.xmonad = {
-    #wantedBy = [ "graphical-session.target" ];
     environment = {
       DISPLAY = ":${toString config.services.xserver.display}";
       RXVT_SOCKET = "%t/urxvtd-socket";
@@ -137,8 +137,8 @@ in {
     };
     serviceConfig = {
       SyslogIdentifier = "xmonad";
-      ExecStart = "${pkgs.xmonad-lass}/bin/xmonad";
-      ExecStop = "${pkgs.xmonad-lass}/bin/xmonad --shutdown";
+      ExecStart = "${xmonad-lass}/bin/xmonad";
+      ExecStop = "${xmonad-lass}/bin/xmonad --shutdown";
     };
     restartIfChanged = false;
   };
diff --git a/lass/2configs/browsers.nix b/lass/2configs/browsers.nix
index cbbd54b6b..91ee08bfd 100644
--- a/lass/2configs/browsers.nix
+++ b/lass/2configs/browsers.nix
@@ -21,59 +21,32 @@ let
     $BIN "$@"
   '';
 
-  createChromiumUser = name: extraGroups: precedence:
-    let
-      bin = pkgs.writeScriptBin name ''
-        /var/run/wrappers/bin/sudo -u ${name} -i ${pkgs.chromium}/bin/chromium $@
-      '';
-    in {
-      users.extraUsers.${name} = {
-        inherit name;
-        inherit extraGroups;
-        home = "/home/${name}";
-        uid = genid name;
-        useDefaultShell = true;
-        createHome = true;
+  createUser = script: name: groups: precedence: dpi:
+    {
+      lass.xjail.${name} = {
+        inherit script groups dpi;
       };
+      environment.systemPackages = [ config.lass.xjail-bins.${name} ];
       lass.browser.paths.${name} = {
-        path = bin;
+        path = config.lass.xjail-bins.${name};
         inherit precedence;
       };
-      security.sudo.extraConfig = ''
-        ${mainUser.name} ALL=(${name}) NOPASSWD: ALL
-      '';
-      environment.systemPackages = [
-        bin
-      ];
     };
 
-  createFirefoxUser = name: extraGroups: precedence:
-    let
-      bin = pkgs.writeScriptBin name ''
-        /var/run/wrappers/bin/sudo -u ${name} -i ${pkgs.firefox-devedition-bin}/bin/firefox-devedition $@
-      '';
-    in {
-      users.extraUsers.${name} = {
-        inherit name;
-        inherit extraGroups;
-        home = "/home/${name}";
-        uid = genid name;
-        useDefaultShell = true;
-        createHome = true;
-      };
-      lass.browser.paths.${name} = {
-        path = bin;
-        inherit precedence;
-      };
-      security.sudo.extraConfig = ''
-        ${mainUser.name} ALL=(${name}) NOPASSWD: ALL
-      '';
-      environment.systemPackages = [
-        bin
-      ];
-    };
+  createChromiumUser = name: groups: precedence:
+    createUser (pkgs.writeDash name ''
+      ${pkgs.chromium}/bin/chromium "$@"
+    '') name groups precedence 80;
+
+  createFirefoxUser = name: groups: precedence:
+    createUser (pkgs.writeDash name ''
+      ${pkgs.firefox-devedition-bin}/bin/firefox-devedition "$@"
+    '') name groups precedence 80;
 
-  #TODO: abstract this
+  createQuteUser = name: groups: precedence:
+    createUser (pkgs.writeDash name ''
+      ${pkgs.qutebrowser}/bin/qutebrowser "$@"
+    '') name groups precedence 60;
 
 in {
 
@@ -110,12 +83,13 @@ in {
         }));
       };
     }
+    ( createQuteUser "qb" [ "audio" ] 20 )
     ( createFirefoxUser "ff" [ "audio" ] 10 )
-    ( createChromiumUser "cr" [ "video" "audio" ] 9 )
+    ( createChromiumUser "cr" [ "audio" ] 9 )
     ( createChromiumUser "gm" [ "video" "audio" ] 8 )
-    ( createChromiumUser "wk" [ "video" "audio" ] 0 )
-    ( createChromiumUser "fb" [ "video" "audio" ] 0 )
-    ( createChromiumUser "com" [ "video" "audio" ] 0 )
+    ( createChromiumUser "wk" [ "audio" ] 0 )
+    ( createChromiumUser "fb" [ "audio" ] 0 )
+    ( createChromiumUser "com" [ "audio" ] 0 )
     ( createChromiumUser "fin" [] (-1) )
   ];
 }
diff --git a/lass/2configs/exim-smarthost.nix b/lass/2configs/exim-smarthost.nix
index 4335c7cab..4455d2761 100644
--- a/lass/2configs/exim-smarthost.nix
+++ b/lass/2configs/exim-smarthost.nix
@@ -11,7 +11,6 @@ with import <stockholm/lib>;
     primary_hostname = "lassul.us";
     sender_domains = [
       "lassul.us"
-      "aidsballs.de"
     ];
     relay_from_hosts = map (host: host.nets.retiolum.ip6.addr) [
       config.krebs.hosts.mors
@@ -70,6 +69,16 @@ with import <stockholm/lib>;
       { from = "aws@lassul.us"; to = lass.mail; }
       { from = "reddit@lassul.us"; to = lass.mail; }
       { from = "banggood@lassul.us"; to = lass.mail; }
+      { from = "immoscout@lassul.us"; to = lass.mail; }
+      { from = "gmail@lassul.us"; to = lass.mail; }
+      { from = "amazon@lassul.us"; to = lass.mail; }
+      { from = "humblebundle@lassul.us"; to = lass.mail; }
+      { from = "meetup@lassul.us"; to = lass.mail; }
+      { from = "gebfrei@lassul.us"; to = lass.mail; }
+      { from = "github@lassul.us"; to = lass.mail; }
+      { from = "ovh@lassul.us"; to = lass.mail; }
+      { from = "hetzner@lassul.us"; to = lass.mail; }
+      { from = "allygator@lassul.us"; to = lass.mail; }
     ];
     system-aliases = [
       { from = "mailer-daemon"; to = "postmaster"; }
diff --git a/lass/2configs/mail.nix b/lass/2configs/mail.nix
index c6866c69d..81db59617 100644
--- a/lass/2configs/mail.nix
+++ b/lass/2configs/mail.nix
@@ -8,6 +8,16 @@ let
       logfile ~/.msmtp.log
     account prism
       host prism.r
+    account c-base
+      from lassulus@c-base.org
+      host c-mail.c-base.org
+      port 465
+      tls on
+      tls_starttls off
+      tls_fingerprint 8C:10:A6:AB:1F:82:C4:8F:B1:B4:22:D5:8B:8B:49:9B:59:0B:22:A4
+      auth on
+      user lassulus
+      passwordeval pass show c-base/pass
     account default: prism
   '';
 
@@ -22,25 +32,52 @@ let
 
   mailboxes = {
     c-base = [ "to:c-base.org" ];
+    coins = [
+      "to:btce@lassul.us"
+      "to:coinbase@lassul.us"
+      "to:polo@lassul.us"
+      "to:bitwala@lassul.us"
+      "to:payeer@lassul.us"
+      "to:gatehub@lassul.us"
+      "to:bitfinex@lassul.us"
+      "to:binance@lassul.us"
+      "to:bitcoin.de@lassul.us"
+      "to:robinhood@lassul.us"
+    ];
     dezentrale = [ "to:dezentrale.space" ];
-    kaosstuff = [ "to:gearbest@lassul.us" "to:banggood@lassul.us" ];
+    dhl = [ "to:dhl@lassul.us" ];
+    eloop = [ "to:eloop.org" ];
+    github = [ "to:github@lassul.us" ];
+    gmail = [ "to:gmail@lassul.us" "to:lassulus@gmail.com" "lassulus@googlemail.com" ];
+    kaosstuff = [ "to:gearbest@lassul.us" "to:banggood@lassul.us" "to:tomtop@lassul.us" ];
+    lugs = [ "to:lugs@lug-s.org" ];
     nix-devel = [ "to:nix-devel@googlegroups.com" ];
     patreon = [ "to:patreon@lassul.us" ];
-    security = [ "to:seclists.org" "to:security" "to:bugtraq" ];
+    paypal = [ "to:paypal@lassul.us" ];
+    ptl = [ "to:ptl@posttenebraslab.ch" ];
+    retiolum = [ "to:lass@mors.r" ];
+    security = [ "to:seclists.org" "to:bugtraq" "to:securityfocus@lassul.us" ];
     shack = [ "to:shackspace.de" ];
+    steam = [ "to:steam@lassul.us" ];
+    tinc = [ "to:tinc@tinc-vpn.org" "to:tinc-devel@tinc-vpn.org" ];
     wireguard = [ "to:wireguard@lists.zx2c4" ];
+    zzz = [ "to:pizza@lassul.us" "to:spam@krebsco.de" ];
   };
 
-  tag-mails = pkgs.writeDashBin "nm-init-tag" ''
+  tag-new-mails = pkgs.writeDashBin "nm-tag-init" ''
     ${pkgs.notmuch}/bin/notmuch new
     ${concatMapStringsSep "\n" (i: ''${pkgs.notmuch}/bin/notmuch tag -inbox +${i.name} -- tag:inbox ${concatMapStringsSep " or " (f: "${f}") i.value}'') (mapAttrsToList nameValuePair mailboxes)}
   '';
 
+  tag-old-mails = pkgs.writeDashBin "nm-tag-old" ''
+    ${concatMapStringsSep "\n" (i: ''${pkgs.notmuch}/bin/notmuch tag -inbox -archive +${i.name} -- ${concatMapStringsSep " or " (f: "${f}") i.value}'') (mapAttrsToList nameValuePair mailboxes)}
+  '';
+
   muttrc = pkgs.writeText "muttrc" ''
     # gpg
-    source ${pkgs.neomutt}/share/doc/mutt/samples/gpg.rc
+    source ${pkgs.neomutt}/share/doc/neomutt/samples/gpg.rc
     set pgp_use_gpg_agent = yes
-    set pgp_sign_as = 0x976A7E4D
+    set pgp_sign_as = 0xDC2A43EF4F11E854B44D599A89E82952976A7E4D
     set crypt_autosign = yes
     set crypt_replyencrypt = yes
     set crypt_verify_sig = yes
@@ -158,7 +195,7 @@ let
     name = "mutt";
     paths = [
       (pkgs.writeDashBin "mutt" ''
-        exec ${pkgs.neomutt}/bin/mutt -F ${muttrc} $@
+        exec ${pkgs.neomutt}/bin/neomutt -F ${muttrc} $@
       '')
       pkgs.neomutt
     ];
@@ -170,6 +207,7 @@ in {
     mutt
     pkgs.much
     pkgs.notmuch
-    tag-mails
+    tag-new-mails
+    tag-old-mails
   ];
 }
diff --git a/lass/2configs/privoxy.nix b/lass/2configs/privoxy.nix
index 33e8d1e46..e0a086421 100644
--- a/lass/2configs/privoxy.nix
+++ b/lass/2configs/privoxy.nix
@@ -3,10 +3,5 @@
 {
   services.privoxy = {
     enable = true;
-    extraConfig = ''
-      #use polipo
-      forward / localhost:8123
-    '';
   };
-  services.polipo.enable = true;
 }
diff --git a/lass/2configs/security-workarounds.nix b/lass/2configs/security-workarounds.nix
index c3d07d5fe..537c8a59b 100644
--- a/lass/2configs/security-workarounds.nix
+++ b/lass/2configs/security-workarounds.nix
@@ -5,6 +5,4 @@ with import <stockholm/lib>;
   boot.extraModprobeConfig = ''
     install dccp /run/current-system/sw/bin/false
   '';
-
-  boot.kernelPackages = pkgs.linuxPackages_latest;
 }
diff --git a/lass/2configs/virtualbox.nix b/lass/2configs/virtualbox.nix
index f7d196057..8171def2d 100644
--- a/lass/2configs/virtualbox.nix
+++ b/lass/2configs/virtualbox.nix
@@ -6,6 +6,8 @@ let
 in {
   #services.virtualboxHost.enable = true;
   virtualisation.virtualbox.host.enable = true;
+  nixpkgs.config.virtualbox.enableExtensionPack = true;
+  virtualisation.virtualbox.host.enableHardening = false;
 
   users.extraUsers = {
     virtual = {
diff --git a/lass/2configs/websites/domsen.nix b/lass/2configs/websites/domsen.nix
index 9ece2af77..7a72499c9 100644
--- a/lass/2configs/websites/domsen.nix
+++ b/lass/2configs/websites/domsen.nix
@@ -49,6 +49,7 @@ in {
       "www.ubikmedia.eu"
       "www.youthtube.xyz"
       "www.ubikmedia.de"
+      "www.joemisch.com"
       "www.weirdwednesday.de"
 
       "aldona2.ubikmedia.de"
@@ -63,6 +64,7 @@ in {
       "weirdwednesday.ubikmedia.de"
       "freemonkey.ubikmedia.de"
       "jarugadesign.ubikmedia.de"
+      "crypto4art.ubikmedia.de"
     ])
   ];
 
diff --git a/lass/2configs/websites/fritz.nix b/lass/2configs/websites/fritz.nix
index aa57a9857..14d6ce9ec 100644
--- a/lass/2configs/websites/fritz.nix
+++ b/lass/2configs/websites/fritz.nix
@@ -12,9 +12,8 @@ let
   ;
 
   msmtprc = pkgs.writeText "msmtprc" ''
-    account localhost
+    account default
       host localhost
-    account default: localhost
   '';
 
   sendmail = pkgs.writeDash "msmtp" ''
diff --git a/lass/3modules/default.nix b/lass/3modules/default.nix
index fd77b2262..0c10e1ec2 100644
--- a/lass/3modules/default.nix
+++ b/lass/3modules/default.nix
@@ -11,6 +11,7 @@ _:
     ./screenlock.nix
     ./umts.nix
     ./usershadow.nix
+    ./xjail.nix
     ./xserver
   ];
 }
diff --git a/lass/3modules/screenlock.nix b/lass/3modules/screenlock.nix
index e16ce9868..29c3861f2 100644
--- a/lass/3modules/screenlock.nix
+++ b/lass/3modules/screenlock.nix
@@ -14,7 +14,7 @@ let
     enable = mkEnableOption "screenlock";
     command = mkOption {
       type = types.str;
-      default = "${pkgs.i3lock}/bin/i3lock -i /var/lib/wallpaper/wallpaper -f";
+      default = "${pkgs.xlockmore}/bin/xlock -mode life1d -size 1";
     };
   };
 
@@ -28,7 +28,7 @@ let
       serviceConfig = {
         SyslogIdentifier = "screenlock";
         ExecStart = cfg.command;
-        Type = "forking";
+        Type = "simple";
         User = "lass";
       };
     };
diff --git a/lass/3modules/xjail.nix b/lass/3modules/xjail.nix
new file mode 100644
index 000000000..325ebcc99
--- /dev/null
+++ b/lass/3modules/xjail.nix
@@ -0,0 +1,164 @@
+{ config, pkgs, lib, ... }:
+
+with import <stockholm/lib>;
+{
+  options.lass.xjail = mkOption {
+    type = types.attrsOf (types.submodule ({ config, ...}: {
+      options = {
+        name = mkOption {
+          type = types.string;
+          default = config._module.args.name;
+        };
+        user = mkOption {
+          type = types.string;
+          default = config.name;
+        };
+        groups = mkOption {
+          type = types.listOf types.str;
+          default = [];
+        };
+        from = mkOption {
+          type = types.string;
+          default = "lass";
+        };
+        display = mkOption {
+          type = types.string;
+          default = toString (genid_signed config._module.args.name);
+        };
+        dpi = mkOption {
+          type = types.int;
+          default = 90;
+        };
+        extraXephyrArgs = mkOption {
+          type = types.str;
+          default = "";
+        };
+        extraVglrunArgs = mkOption {
+          type = types.str;
+          default = "";
+        };
+        script = mkOption {
+          type = types.path;
+          default = pkgs.writeScript "echo_lol" "echo lol";
+        };
+        wm = mkOption {
+          #TODO find type
+          type = types.string;
+          default = "${pkgs.writeHaskell "xephyrify-xmonad" {
+            executables.xmonad = {
+              extra-depends = [
+                "containers"
+                "unix"
+                "xmonad"
+              ];
+              text = /* haskell */ ''
+                module Main where
+                import XMonad
+                import Data.Monoid
+                import System.Posix.Process (executeFile)
+                import qualified Data.Map as Map
+
+                main :: IO ()
+                main = do
+                  xmonad def
+                    { workspaces = [ "1" ]
+                    , layoutHook = myLayoutHook
+                    , keys = myKeys
+                    , normalBorderColor  = "#000000"
+                    , focusedBorderColor = "#000000"
+                    , handleEventHook = myEventHook
+                    }
+
+                myEventHook :: Event -> X All
+
+                myEventHook (ConfigureEvent { ev_event_type = 22 }) = do
+                  spawn "${pkgs.xorg.xrandr}/bin/xrandr >/dev/null 2>&1"
+                  return (All True)
+
+                myEventHook _ = do
+                  return (All True)
+
+                myLayoutHook = Full
+                myKeys _ = Map.fromList []
+              '';
+            };
+          }}/bin/xmonad";
+        };
+      };
+    }));
+    default = {};
+  };
+
+  options.lass.xjail-bins = mkOption {
+    type = types.attrsOf types.path;
+  };
+
+  # implementation
+  config = let
+    scripts = mapAttrs' (name: cfg:
+      let
+        newOrExisting = pkgs.writeDash "${cfg.name}-existing" ''
+          DISPLAY=:${cfg.display} ${pkgs.xorg.xrandr}/bin/xrandr
+          if test $? -eq 0; then
+            echo using existing xephyr
+            ${sudo_} "$@"
+          else
+            echo starting new xephyr
+            ${xephyr_} "$@"
+          fi
+        '';
+        xephyr_ = pkgs.writeDash "${cfg.name}-xephyr" ''
+          ${pkgs.xorg.xorgserver}/bin/Xephyr -br -ac -reset -terminate -resizeable -nolisten local -dpi ${toString cfg.dpi} ${cfg.extraXephyrArgs} :${cfg.display} &
+          XEPHYR_PID=$!
+          DISPLAY=:${cfg.display} ${cfg.wm} &
+          WM_PID=$!
+          ${sudo_} "$@"
+          ${pkgs.coreutils}/bin/kill $WM_PID
+          ${pkgs.coreutils}/bin/kill $XEPHYR_PID
+        '';
+        sudo_ = pkgs.writeDash "${cfg.name}-sudo" ''
+          /var/run/wrappers/bin/sudo -u ${cfg.name} -i ${vglrun_} "$@"
+        '';
+        vglrun_ = pkgs.writeDash "${cfg.name}-vglrun" ''
+          DISPLAY=:${cfg.display} ${pkgs.virtualgl}/bin/vglrun ${cfg.extraVglrunArgs} ${cfg.script} "$@"
+        '';
+      in nameValuePair name {
+        existing = newOrExisting;
+        xephyr = xephyr_;
+        sudo = sudo_;
+        vglrun = vglrun_;
+      }
+    ) config.lass.xjail;
+  in {
+
+    users.users = mapAttrs' (_: cfg:
+      nameValuePair cfg.name {
+        uid = genid cfg.name;
+        home = "/home/${cfg.name}";
+        useDefaultShell = true;
+        createHome = true;
+        extraGroups = cfg.groups;
+      }
+    ) config.lass.xjail;
+
+    users.groups = mapAttrs' (_: cfg:
+      nameValuePair cfg.name {
+        members = [
+          cfg.name
+          cfg.from
+        ];
+      }
+    ) config.lass.xjail;
+
+    security.sudo.extraConfig = (concatStringsSep "\n" (mapAttrsToList (_: cfg:
+      # TODO allow just the right script with sudo
+      "${cfg.from} ALL=(${cfg.name}) NOPASSWD: ALL"
+    ) config.lass.xjail));
+
+    lass.xjail-bins = mapAttrs' (name: cfg:
+      nameValuePair name (pkgs.writeScriptBin cfg.name ''
+        ${scripts.${name}.existing} "$@"
+      '')
+    ) config.lass.xjail;
+  };
+}
diff --git a/lass/5pkgs/xmonad-lass.nix b/lass/5pkgs/custom/xmonad-lass/default.nix
index 59c95cff7..e658897da 100644
--- a/lass/5pkgs/xmonad-lass.nix
+++ b/lass/5pkgs/custom/xmonad-lass/default.nix
@@ -143,12 +143,21 @@ myKeyMap =
 
     , ("M4-d", floatNext True >> spawn "${pkgs.copyq}/bin/copyq show")
 
+    , ("M4-<F4>", spawn "${pkgs.writeDash "nm-dmenu" ''
+      export PATH=$PATH:${pkgs.dmenu}/bin:${pkgs.networkmanagerapplet}/bin
+      exec ${pkgs.networkmanager_dmenu}/bin/networkmanager_dmenu "$@"
+    ''}")
+
     , ("M4-<F5>", spawn "${pkgs.xorg.xbacklight}/bin/xbacklight -set 1")
     , ("M4-<F6>", spawn "${pkgs.xorg.xbacklight}/bin/xbacklight -set 10")
     , ("M4-<F7>", spawn "${pkgs.xorg.xbacklight}/bin/xbacklight -set 33")
     , ("M4-<F8>", spawn "${pkgs.xorg.xbacklight}/bin/xbacklight -set 100")
 
     , ("<Pause>", spawn "${pkgs.xcalib}/bin/xcalib -invert -alter")
+
+    --, ("M4-w", screenWorkspace 0 >>= (windows . W.greedyView))
+    --, ("M4-e", screenWorkspace 1 >>= (windows . W.greedyView))
+    --, ("M4-r", screenWorkspace 2 >>= (windows . W.greedyView))
     ]
 
 forkFile :: FilePath -> [String] -> Maybe [(String, String)] -> X ()
diff --git a/lass/5pkgs/default.nix b/lass/5pkgs/default.nix
index a158cd3c6..28482eb91 100644
--- a/lass/5pkgs/default.nix
+++ b/lass/5pkgs/default.nix
@@ -1,40 +1,39 @@
-{ config, pkgs, ... }@args:
+with import <stockholm/lib>;
+self: super: let
 
-{
-  nixpkgs.config.packageOverrides = rec {
-    acronym = pkgs.callPackage ./acronym/default.nix {};
-    dpass = pkgs.callPackage ./dpass {};
-    firefoxPlugins = {
-      noscript = pkgs.callPackage ./firefoxPlugins/noscript.nix {};
-      ublock = pkgs.callPackage ./firefoxPlugins/ublock.nix {};
-      vimperator = pkgs.callPackage ./firefoxPlugins/vimperator.nix {};
-    };
-    init = pkgs.callPackage ./init/default.nix args;
-    logify = pkgs.callPackage ./logify/default.nix {};
-    mk_sql_pair = pkgs.callPackage ./mk_sql_pair/default.nix {};
-    mpv-poll = pkgs.callPackage ./mpv-poll/default.nix {};
-    pop = pkgs.callPackage ./pop/default.nix {};
-    q = pkgs.callPackage ./q {};
-    rs = pkgs.callPackage ./rs/default.nix {};
-    urban = pkgs.callPackage ./urban/default.nix {};
-    xml2json = pkgs.callPackage ./xml2json/default.nix {};
-    xmonad-lass = import ./xmonad-lass.nix { inherit config pkgs; };
-    yt-next = pkgs.callPackage ./yt-next/default.nix {};
+  # This callPackage will try to detect obsolete overrides.
+  callPackage = path: args: let
+    override =  super.callPackage path args;
+    upstream = optionalAttrs (override ? "name")
+      (super.${(parseDrvName override.name).name} or {});
+  in if upstream ? "name" &&
+        override ? "name" &&
+        compareVersions upstream.name override.name != -1
+    then
+      trace
+        "Upstream `${upstream.name}' gets overridden by `${override.name}'."
+        override
+    else override;
 
-    bank = pkgs.writeDashBin "bank" ''
+   subdirsOf = path:
+     mapAttrs (name: _: path + "/${name}")
+              (filterAttrs (_: eq "directory") (readDir path));
+
+in {
+    bank = self.writeDashBin "bank" ''
       tmp=$(mktemp)
-      ${pkgs.pass}/bin/pass show hledger > $tmp
-      ${pkgs.hledger}/bin/hledger --file=$tmp "$@"
-      ${pkgs.pass}/bin/pass show hledger | if ${pkgs.diffutils}/bin/diff $tmp -; then
+      ${self.pass}/bin/pass show hledger > $tmp
+      ${self.hledger}/bin/hledger --file=$tmp "$@"
+      ${self.pass}/bin/pass show hledger | if ${self.diffutils}/bin/diff $tmp -; then
         exit 0
       else
-        ${pkgs.coreutils}/bin/cat $tmp | ${pkgs.pass}/bin/pass insert -m hledger
+        ${self.coreutils}/bin/cat $tmp | ${self.pass}/bin/pass insert -m hledger
       fi
-      ${pkgs.coreutils}/bin/rm $tmp
-    '';
-    screengrab = pkgs.writeDashBin "screengrab" ''
-      resolution="$(${pkgs.xorg.xrandr}/bin/xrandr | ${pkgs.gnugrep}/bin/grep '*' | ${pkgs.gawk}/bin/awk '{print $1}')"
-      ${pkgs.ffmpeg}/bin/ffmpeg -f x11grab -r 25 -i :${toString config.services.xserver.display} -s $resolution -c:v huffyuv $1
+      ${self.coreutils}/bin/rm $tmp
     '';
-  };
+    rtl8814au = callPackage ./custom/rtl8814au { kernel = self.linux; };
 }
+
+// mapAttrs (_: flip callPackage {})
+            (filterAttrs (_: dir: pathExists (dir + "/default.nix"))
+                         (subdirsOf ./.))
diff --git a/lass/5pkgs/xephyrify/default.nix b/lass/5pkgs/xephyrify/default.nix
new file mode 100644
index 000000000..8d6036843
--- /dev/null
+++ b/lass/5pkgs/xephyrify/default.nix
@@ -0,0 +1,62 @@
+{ writeDashBin, writeHaskell, coreutils, xorg, virtualgl, ... }:
+
+let
+
+  xephyrify-xmonad = writeHaskell "xephyrify-xmonad" {
+    executables.xmonad = {
+      extra-depends = [
+        "containers"
+        "unix"
+        "xmonad"
+      ];
+      text = /* haskell */ ''
+        module Main where
+        import XMonad
+        import Data.Monoid
+        import System.Posix.Process (executeFile)
+        import qualified Data.Map as Map
+
+        main :: IO ()
+        main = do
+          xmonad def
+            { workspaces = [ "1" ]
+            , layoutHook = myLayoutHook
+            , keys = myKeys
+            , normalBorderColor  = "#000000"
+            , focusedBorderColor = "#000000"
+            , handleEventHook = myEventHook
+            }
+
+        myEventHook :: Event -> X All
+
+        myEventHook (ConfigureEvent { ev_event_type = 22 }) = do
+          spawn "${xorg.xrandr}/bin/xrandr >/dev/null 2>&1"
+          return (All True)
+
+        myEventHook _ = do
+          return (All True)
+
+        myLayoutHook = Full
+        myKeys _ = Map.fromList []
+      '';
+    };
+  };
+
+in writeDashBin "xephyrify" ''
+  NDISPLAY=''${NDISPLAY:-$(${coreutils}/bin/shuf -i 100-65536 -n 1)}
+  echo "using DISPLAY $NDISPLAY"
+  ${xorg.xorgserver}/bin/Xephyr -br -ac -reset -terminate -resizeable -dpi 60 -nolisten local :$NDISPLAY &
+  if test -n $DROP_TO_USER; then
+    sleep 1
+    ls /tmp/.X11-unix/
+    id
+    ${coreutils}/bin/chgrp "$DROP_TO_USER" "/tmp/.X11-unix/X$NDISPLAY"
+    ${coreutils}/bin/chmod 770 "/tmp/.X11-unix/X$NDISPLAY"
+  fi
+  XEPHYR_PID=$!
+  DISPLAY=:$NDISPLAY ${xephyrify-xmonad}/bin/xmonad &
+  XMONAD_PID=$!
+  DISPLAY=:$NDISPLAY ${virtualgl}/bin/vglrun "$@"
+  kill $XMONAD_PID
+  kill $XEPHYR_PID
+''
diff --git a/lass/default.nix b/lass/default.nix
index b1c7c1be8..d077cc09f 100644
--- a/lass/default.nix
+++ b/lass/default.nix
@@ -1,9 +1,9 @@
-_:
+{ pkgs, ... }:
 {
   imports = [
     ../krebs
     ./2configs
     ./3modules
-    ./5pkgs
   ];
+  nixpkgs.config.packageOverrides = import ./5pkgs pkgs;
 }