commit f19bfa7c9ebdb96426e54e0a47a1a46ebff0a928 · soopy.moe/gensokyo

+1 -1

systems/ryo/services/default.nix

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       {...}: {

     

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         imports = [

     

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           ./novnc.nix

     

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           # ./thefunny.nix

     

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           ./thefunny.nix

     

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         ];

     

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       }

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systems/ryo/services/thefunny.nix

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       {

     

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         pkgs,

     

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         lib,

     

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         ...

     

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       }: let

     

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         serviceHardening = {

     

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           PrivateUsers = true;

     

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           LockPersonality = true;

     

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           ProtectHostname = true;

     

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           ProtectKernelTunables = true;

     

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           ProtectClock = true;

     

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           ProtectSystem = true;

     

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           ProtectProc = true;

     

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           ProtectHome = true;

     

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           PrivateTmp = true;

     

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           PrivateDevices = false; # cage's drmGetDevices need devices despite being headless.

     

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           SystemCallArchitectures = "native";

     

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           CapabilityBoundingSet = null;

     

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           NoNewPrivileges = true;

     

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           RestrictAddressFamilies = [

     

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             "AF_INET"

     

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             "AF_INET6"

     

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             "AF_UNIX"

     

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           ];

     

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           SystemCallFilter = [

     

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             "@system-service"

     

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             # "~@privileged" # cage/wlroots needs setgid for some reason?

     

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           ];

     

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         };

     

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       in {

     

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         users.users.funny = {

     

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           isSystemUser = true;

     

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           group = "funny";

     

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         };

     

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         users.groups.funny = {};

     

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         systemd.services = {

     

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           cage-feh = {

     

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             wantedBy = ["multi-user.target"];

     

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             serviceConfig =

     

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               {

     

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                 User = "funny";

     

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                 RuntimeDirectory = "funny";

     

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                 Restart = "on-failure";

     

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                 RestartSec = "1";

     

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               }

     

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               // serviceHardening;

     

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             path = with pkgs; [cage feh];

     

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             script = ''

     

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               set -e

     

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               cage -d feh -- -.dz -D10 --draw-tinted /srv/funny

     

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             '';

     

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             environment = {

     

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               WLR_BACKENDS = "headless";

     

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               WLR_LIBINPUT_NO_DEVICES = "1";

     

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               XDG_RUNTIME_DIR = "%t/funny"; # if this is set to %t only, it fails with a cryptic "invalid argument" error but in fact it's probably just a permission denied error.

     

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             };

     

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           };

     

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           wayvnc-feh = {

     

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             wantedBy = ["multi-user.target"];

     

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             requires = ["cage-feh.service"];

     

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             after = ["cage-feh.service"];

     

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             serviceConfig =

     

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               {

     

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                 User = "funny";

     

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                 RuntimeDirectory = "funny";

     

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                 ExecStart = "${lib.getExe pkgs.wayvnc} -d 0.0.0.0";

     

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                 Restart = "on-failure";

     

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                 RestartSec = "1";

     

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               }

     

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               // serviceHardening;

     

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             environment = {

     

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               WAYLAND_DISPLAY = "wayland-0";

     

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               XDG_RUNTIME_DIR = "%t/funny";

     

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             };

     

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           };

     

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         };

     

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         networking.firewall.allowedTCPPorts = [

     

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           5900 # vnc; yes this is intended.

     

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         ];

     

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       }