diff options
Diffstat (limited to 'lass/3modules')
| -rw-r--r-- | lass/3modules/default.nix | 1 | ||||
| -rw-r--r-- | lass/3modules/screenlock.nix | 4 | ||||
| -rw-r--r-- | lass/3modules/xjail.nix | 164 |
3 files changed, 167 insertions, 2 deletions
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; + }; +} |