Spring Cleaning

- create new module, `system`, that consumes the `boot` module and takes
in the more system-interested services from the `services` module
- touch up left over services (which are more self-hosting interested)
- touch up yo and yoshi configs

1 files changed, 75 insertions, 0 deletions

diff --git a/modules/system/nixos/polkit.nix b/modules/system/nixos/polkit.nix
new file mode 100644
index 0000000..29a06f4
--- /dev/null
+++ b/modules/system/nixos/polkit.nix
@@ -0,0 +1,75 @@
+{lib, ...}: let
+  defaultDenyRule = ''
+    polkit.addRule(function(action, subject) {
+      // Log denied actions for debugging
+      polkit.log("DENY: action=" + action.id + " user=" + subject.user);
+      return polkit.Result.NO;
+    });
+  '';
+
+  run0Rules = ''
+    polkit.addRule(function(action, subject) {
+      if (subject.isInGroup("wheel") && action.id === "org.freedesktop.systemd1.manage-units") {
+        return polkit.Result.AUTH_ADMIN_KEEP;
+      }
+    });
+  '';
+
+  networkRules = ''
+    polkit.addRule(function(action, subject) {
+      // Only allow network modifications for wheel group (admins)
+      if (action.id.startsWith("org.freedesktop.NetworkManager.") &&
+          subject.isInGroup("wheel")) {
+        return polkit.Result.YES;
+      }
+
+      // Allow reading network status for all users
+      if (action.id == "org.freedesktop.NetworkManager.network-control" ||
+          action.id == "org.freedesktop.NetworkManager.settings.modify.system") {
+        if (subject.isInGroup("wheel")) {
+          return polkit.Result.YES;
+        }
+        return polkit.Result.NO;
+      }
+
+      return polkit.Result.NOT_HANDLED;
+    });
+  '';
+
+  powerRules = ''
+    polkit.addRule(function(action, subject) {
+      if (action.id.match("org.freedesktop.login1.")) {
+        return polkit.Result.YES;
+      }
+    });
+  '';
+
+  bluetoothRules = ''
+    polkit.addRule(function(action, subject) {
+      // Allow users to manage bluetooth devices
+      if (action.id.startsWith("org.bluez.") &&
+          subject.local && subject.active) {
+        return polkit.Result.YES;
+      }
+
+      return polkit.Result.NOT_HANDLED;
+    });
+  '';
+in {
+  security = {
+    polkit = {
+      enable = true;
+      adminIdentities = ["unix-group:wheel"];
+
+      extraConfig = lib.concatStringsSep "\n\n" [
+        run0Rules
+        networkRules
+        powerRules
+        bluetoothRules
+        defaultDenyRule
+      ];
+    };
+
+    soteria.enable = true;
+  };
+}