update: modularize users, pam, gnupg, openssh

hosts/main-homelab/configuration.nix

@@ -1,13 +1,26 @@
-{ pkgs, ... }: {
+{ pkgs, lib, ... }: {
 
   imports =
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
+      ../../nixosModules/default.nix
     ];
-  
+
-  programs.gnupg.agent = {
+  settings = {
-    enable = true;
+    users.veneficium.enable = lib.mkForce true;
-    enableSSHSupport = true;
+
+    programs.gnupg.enable = lib.mkForce true;
+    programs.gnupg.ssh = lib.mkForce true;
+
+    services = {
+      pam = {
+        enable = lib.mkForce true;
+        sshd.useGoogleAuth = lib.mkForce true;
+        sshd.gnupg = lib.mkForce true;
+      };
+      openssh.enable = lib.mkForce true;
+      openssh.usePAM = lib.mkForce true;
+    };
   };
   
   boot.kernelPackages = pkgs.linuxPackages_latest;
@@ -18,50 +31,6 @@
 
   networking.networkmanager.enable = true;
 
-  services.openssh = {
-  enable = true;
-  ports = [ 12342 ];
-  settings = {
-    PasswordAuthentication = true;
-    AllowUsers = null;
-    UsePAM = true;
-    X11Forwarding = false;
-    PermitRootLogin = "prohibit-password"; # "yes", "without-password", "prohibit-password", "forced-commands-only", "no"
-    };
-  };
-
-  security.pam = {
-    services.sshd = {
-      name = "sshd";
-      unixAuth  = true;
-      googleAuthenticator.enable = true;
-      gnupg.enable = true;
-    };
-  };
-
-  time.timeZone = "Europe/Rome";
-
-  i18n.defaultLocale = "en_US.UTF-8";
-
-  i18n.extraLocaleSettings = {
-    LC_ADDRESS = "it_IT.UTF-8";
-    LC_IDENTIFICATION = "it_IT.UTF-8";
-    LC_MEASUREMENT = "it_IT.UTF-8";
-    LC_MONETARY = "it_IT.UTF-8";
-    LC_NAME = "it_IT.UTF-8";
-    LC_NUMERIC = "it_IT.UTF-8";
-    LC_PAPER = "it_IT.UTF-8";
-    LC_TELEPHONE = "it_IT.UTF-8";
-    LC_TIME = "it_IT.UTF-8";
-  };
-
-  services.xserver.xkb = {
-    layout = "it";
-    variant = "";
-  };
-
-  console.keyMap = "it";
-
   environment.systemPackages = with pkgs; [
     nano
     lshw
@@ -73,14 +42,6 @@
     google-authenticator
   ];
 
-  users.users.veneficium = {
-    isNormalUser = true;
-    description = "Veneficium";
-    extraGroups = [ "networkmanager" "wheel" ];
-    packages = with pkgs; [];
-  };
-
-
   programs.zsh.enable = true;
 
   # Allow unfree packages

hosts/main-laptop/configuration.nix

@@ -7,15 +7,13 @@
       ../../nixosModules/default.nix
     ];
 
-  #todo gnupg
-  programs.gnupg.agent = {
-    enable = true;
-    enableSSHSupport = true;
-  };
-
   settings = {
+    users.fedfer.enable = lib.mkForce true;
+
     programs.docker.enable = lib.mkForce true;
     programs.tailscale.enable = lib.mkForce true;
+    programs.gnupg.enable = lib.mkForce true;
+    programs.gnupg.ssh = lib.mkForce true;
 
     drivers = {
       printer.M2020.enable = lib.mkForce true;

nixosModules/default.nix

@@ -1,7 +1,8 @@
 { lib, ... }: {
   imports =
     [
-      ./fedfer.nix
+      ./users/fedfer.nix
+      ./users/veneficium.nix
 
       ./drivers/samsung-printer.nix
       ./drivers/ipod.nix
@@ -16,16 +17,24 @@
       ./services/fstrim.nix
       ./services/tlp.nix
       ./services/switcheroo.nix
+      ./services/pam.nix
+      ./services/openssh.nix
 
       ./programs/docker.nix
       ./programs/tailscale.nix
       ./programs/powertop.nix
+      ./programs/gnupg.nix
     ];
 
   settings = {
+    users.fedfer.enable = lib.mkDefault false;
+    users.veneficium.enable = lib.mkDefault false;
+
     programs.docker.enable = lib.mkDefault false;
     programs.tailscale.enable = lib.mkDefault false;
     programs.powertop.enable = lib.mkDefault true;
+    programs.gnupg.enable = lib.mkDefault true;
+    programs.gnupg.ssh = lib.mkDefault true;
 
     drivers = {
       printer.M2020.enable = lib.mkDefault false;
@@ -38,6 +47,7 @@
           sync = lib.mkDefault false;
           offload = lib.mkDefault true;
         };
+
         amd.enable = lib.mkDefault false;
       };
     };
@@ -48,6 +58,13 @@
       fstrim.enable = lib.mkDefault true;
       tlp.enable = lib.mkDefault false;
       switcheroo.enable = lib.mkDefault false;
+      pam = {
+        enable = lib.mkDefault false;
+        sshd.useGoogleAuth = lib.mkDefault false;
+        sshd.gnupg = lib.mkDefault false;
+      };
+      openssh.enable = lib.mkDefault false;
+      openssh.usePAM = lib.mkDefault false;
     };
 
     gnome.enable = lib.mkDefault false;

nixosModules/fedfer.nix

@@ -1,9 +0,0 @@
-#need to move stuff to home-manager
-{ pkgs, ... }: {
-  users.users.fedfer = {
-    isNormalUser = true;
-    description = "FedFer";
-    extraGroups = [ "networkmanager" "wheel" ];
-    shell = pkgs.zsh;
-  };
-}

nixosModules/programs/gnupg.nix

@@ -0,0 +1,11 @@
+{ config, lib, ... }: {
+  options.settings = {
+    programs.gnupg.enable = lib.mkEnableOption "enable gnuPG";
+    programs.gnupg.ssh = lib.mkEnableOption "enable gnuPG ssh integration";
+  };
+
+  programs.gnupg.agent = lib.mkIf config.settings.programs.gnupg.enable {
+    enable = true;
+    enableSSHSupport = config.settings.programs.gnupg.ssh;
+  };
+}

nixosModules/services/openssh.nix

@@ -0,0 +1,22 @@
+{ config, lib, ... }: {
+  options.settings = {
+    services.openssh.enable = lib.mkEnableOption "enable openSSH";
+    services.openssh.usePAM = lib.mkEnableOption "use PAM for ssh authentication";
+  };
+
+
+#further move these options into settings
+  config = lib.mkIf config.settings.services.openssh.enable {
+    services.openssh = {
+      enable = true;
+      ports = [ 12342 ];
+      settings = {
+        UsePAM = config.settings.services.openssh.usePAM;
+        PasswordAuthentication = true;
+        AllowUsers = null;
+        X11Forwarding = false;
+        PermitRootLogin = "prohibit-password";
+      };
+    };
+  };
+}

nixosModules/services/pam.nix

@@ -0,0 +1,16 @@
+{ config, lib, ... }: {
+  options.settings = {
+    services.pam.enable = lib.mkEnableOption "enables PAM";
+    services.pam.sshd.useGoogleAuth = lib.mkEnableOption "use pam_google_authenticator.so module";
+    services.pam.sshd.gnupg = lib.mkEnableOption "enable gnuPG integration";
+  };
+
+  security.pam = lib.mkIf config.settings.services.pam.enable {
+    services.sshd = {
+      name = "sshd";
+      unixAuth  = true;
+      googleAuthenticator.enable = config.settings.services.pam.sshd.useGoogleAuth;
+      gnupg.enable = config.settings.services.pam.sshd.gnupg;
+    };
+  };
+}

nixosModules/users/fedfer.nix

@@ -0,0 +1,13 @@
+#need to move stuff to home-manager
+{ pkgs, config, lib, ... }: {
+  options.settings = {
+    users.fedfer.enable = lib.mkEnableOption "enables user FedFer";
+  };
+
+  users.users.fedfer = lib.mkIf config.settings.users.fedfer.enable {
+    isNormalUser = true;
+    description = "FedFer";
+    extraGroups = [ "networkmanager" "wheel" ];
+    shell = pkgs.zsh;
+  };
+}

nixosModules/users/veneficium.nix

@@ -0,0 +1,11 @@
+{ config, lib, ... }: {
+  options.settings = {
+    users.veneficium.enable = lib.mkEnableOption "enables user Veneficium";
+  };
+
+  users.users.veneficium = lib.mkIf config.settings.users.veneficium.enable {
+    isNormalUser = true;
+    description = "Veneficium";
+    extraGroups = [ "networkmanager" "wheel" ];
+  };
+}