1 files changed, 25 insertions, 18 deletions
diff --git a/lass/2configs/libvirt.nix b/lass/2configs/libvirt.nix
index e739d2f79..a71638323 100644
--- a/lass/2configs/libvirt.nix
+++ b/lass/2configs/libvirt.nix
@@ -1,23 +1,30 @@
 { config, lib, pkgs, ... }:
 
-let
-  mainUser = config.users.extraUsers.mainUser;
-  inherit (import <stockholm/lib>) genid;
-
-in {
+{
+  users.users.mainUser.extraGroups = [ "libvirtd" ];
   virtualisation.libvirtd.enable = true;
 
-  users.extraUsers = {
-    libvirt = {
-      uid = genid "libvirt";
-      description = "user for running libvirt stuff";
-      home = "/home/libvirt";
-      useDefaultShell = true;
-      extraGroups = [ "libvirtd" "audio" ];
-      createHome = true;
-    };
-  };
-  security.sudo.extraConfig = ''
-    ${mainUser.name} ALL=(libvirt) NOPASSWD: ALL
-  '';
+  krebs.iptables.tables.filter.INPUT.rules = [
+    { v6 = false; predicate = "-i virbr0 -p udp -m udp --dport 53"; target = "ACCEPT"; }
+    { v6 = false; predicate = "-i virbr0 -p tcp -m tcp --dport 53"; target = "ACCEPT"; }
+    { v6 = false; predicate = "-i virbr0 -p udp -m udp --dport 67"; target = "ACCEPT"; }
+    { v6 = false; predicate = "-i virbr0 -p tcp -m tcp --dport 67"; target = "ACCEPT"; }
+  ];
+  krebs.iptables.tables.filter.FORWARD.rules = [
+    { v6 = false; predicate = "-d 192.168.122.0/24 -o virbr0 -m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; }
+    { v6 = false; predicate = "-s 192.168.122.0/24 -i virbr0"; target = "ACCEPT"; }
+    { v6 = false; predicate = "-i virbr0 -o virbr0"; target = "ACCEPT"; }
+    { v6 = false; predicate = "-o virbr0"; target = "REJECT --reject-with icmp-port-unreachable"; }
+    { v6 = false; predicate = "-i virbr0"; target = "REJECT --reject-with icmp-port-unreachable"; }
+  ];
+  krebs.iptables.tables.filter.OUTPUT.rules = [
+    { v6 = false; predicate = "-o virbr0 -p udp -m udp --dport 68"; target = "ACCEPT"; }
+  ];
+  krebs.iptables.tables.nat.POSTROUTING.rules = [
+    { v6 = false; predicate = "-s 192.168.122.0/24 -d 224.0.0.0/24"; target = "RETURN"; }
+    { v6 = false; predicate = "-s 192.168.122.0/24 -d 255.255.255.255"; target = "RETURN"; }
+    { v6 = false; predicate = "-s 192.168.122.0/24 ! -d 192.168.122.0/24"; target = "MASQUERADE"; }
+    { v6 = false; predicate = "-s 192.168.122.0/24 ! -d 192.168.122.0/24 -p tcp"; target = "MASQUERADE --to-ports 1024-65535"; }
+    { v6 = false; predicate = "-s 192.168.122.0/24 ! -d 192.168.122.0/24 -p udp"; target = "MASQUERADE --to-ports 1024-65535"; }
+  ];
 }