7 files changed, 112 insertions, 0 deletions
diff --git a/modules/security/audit.nix b/modules/security/audit.nix
new file mode 100644
index 0000000..67dce9d
--- /dev/null
+++ b/modules/security/audit.nix
@@ -0,0 +1,6 @@
+{
+  security.audit = {
+    enable = true;
+    rules = [ "-a exit,always -F arch=b64 -S execve" ];
+  };
+}
diff --git a/modules/security/default.nix b/modules/security/default.nix
new file mode 100644
index 0000000..06302ea
--- /dev/null
+++ b/modules/security/default.nix
@@ -0,0 +1,24 @@
+{
+  config,
+  lib,
+  ...
+}:
+let
+  inherit (lib.modules) mkForce;
+in
+{
+  imports = [
+    ./audit.nix
+    ./doas.nix
+    ./pki.nix
+    ./polkit.nix
+    ./sudo.nix
+    ./tpm.nix
+  ];
+
+  security = {
+    auditd.enable = true;
+    rtkit.enable = mkForce config.services.pipewire.enable;
+    virtualisation.flushL1DataCache = "always";
+  };
+}
diff --git a/modules/security/doas.nix b/modules/security/doas.nix
new file mode 100644
index 0000000..32dcca0
--- /dev/null
+++ b/modules/security/doas.nix
@@ -0,0 +1,12 @@
+{
+  security.doas = {
+    enable = true;
+    extraRules = [
+      {
+        keepEnv = true;
+        persist = true;
+        users = [ "ebisu" ];
+      }
+    ];
+  };
+}
diff --git a/modules/security/pki.nix b/modules/security/pki.nix
new file mode 100644
index 0000000..b804fc5
--- /dev/null
+++ b/modules/security/pki.nix
@@ -0,0 +1,42 @@
+{ lib, ... }:
+{
+  security.pki = {
+    certificates = lib.mkForce [ ];
+
+    caCertificateBlacklist = [
+      "AC RAIZ FNMT-RCM SERVIDORES SEGUROS"
+      "Autoridad de Certificacion Firmaprofesional CIF A62634068"
+
+      # China Financial Certification Authority
+      "CFCA EV ROOT"
+
+      # Chunghwa Telecom Co., Ltd
+      "ePKI Root Certification Authority"
+      "HiPKI Root CA - G1"
+
+      # Dhimyotis
+      "Certigna"
+      "Certigna Root CA"
+
+      # GUANG DONG CERTIFICATE AUTHORITY
+      "GDCA TrustAUTH R5 ROOT"
+
+      # Hongkong Post
+      "Hongkong Post Root CA 3"
+
+      # iTrusChina Co.,Ltd.
+      "vTrus ECC Root CA"
+      "vTrus Root CA"
+
+      # Krajowa Izba Rozliczeniowa S.A.
+      "SZAFIR ROOT CA2"
+
+      # NetLock Kft.
+      "NetLock Arany (Class Gold) Főtanúsítvány"
+
+      # TAIWAN-CA
+      "TWCA Root Certification Authority"
+      "TWCA Global Root CA"
+    ];
+  };
+}
diff --git a/modules/security/polkit.nix b/modules/security/polkit.nix
new file mode 100644
index 0000000..400ea87
--- /dev/null
+++ b/modules/security/polkit.nix
@@ -0,0 +1,6 @@
+{
+  security.polkit = {
+    enable = true;
+    debug = true;
+  };
+}
diff --git a/modules/security/sudo.nix b/modules/security/sudo.nix
new file mode 100644
index 0000000..bbb2e20
--- /dev/null
+++ b/modules/security/sudo.nix
@@ -0,0 +1,6 @@
+{
+  security.sudo = {
+    enable = true;
+    execWheelOnly = true;
+  };
+}
diff --git a/modules/security/tpm.nix b/modules/security/tpm.nix
new file mode 100644
index 0000000..3277d9f
--- /dev/null
+++ b/modules/security/tpm.nix
@@ -0,0 +1,16 @@
+{ pkgs, ... }:
+{
+  security.tpm2 = {
+    enable = true;
+    applyUdevRules = true;
+    abrmd.enable = true;
+    tctiEnvironment.enable = true;
+    pkcs11.enable = true;
+  };
+
+  environment.systemPackages = with pkgs; [
+    tpm2-tools
+    tpm2-tss
+    tpm2-abrmd
+  ];
+}