router: wireguard: add wg0 interface with some peers for testing

hosts/router/firewall.nix

@@ -85,10 +85,8 @@ in
     family = "inet";
     content = ''
       ${nftIdentifiers}
-      define ALLOWED_TCP_PORTS = { ssh }
+      define ALLOWED_TCP_PORTS = { ssh, https }
-      define ALLOWED_UDP_PORTS = { 18596 }
+      define ALLOWED_UDP_PORTS = { bootps, dhcpv6-server, domain, https }
-      define ALLOWED_TCP_LAN_PORTS = { ssh, https }
-      define ALLOWED_UDP_LAN_PORTS = { bootps, dhcpv6-server, domain, https }
       set port_forward_v6 {
           type inet_proto . ipv6_addr . inet_service
           elements = {
@@ -135,10 +133,6 @@ in
           # but apparently not.
           ip6 daddr { fe80::/10, ff02::/16 } th dport { dhcpv6-client, dhcpv6-server } accept
 
-          # Global input rules
-          tcp dport $ALLOWED_TCP_PORTS accept
-          udp dport $ALLOWED_UDP_PORTS accept
-
           # WAN zone input rules
           iifname $ZONE_WAN_IFS jump zone_wan_input
           # LAN zone input rules
@@ -163,7 +157,8 @@ in
       }
 
       chain zone_wan_input {
-          # Allow specific stuff from WAN
+          # Allow SSH from WAN (if needed)
+          tcp dport ssh accept
       }
 
       chain zone_wan_forward {
@@ -185,8 +180,8 @@ in
           ip protocol icmp accept
 
           # Allow specific services from LAN
-          tcp dport $ALLOWED_TCP_LAN_PORTS accept
+          tcp dport $ALLOWED_TCP_PORTS accept
-          udp dport $ALLOWED_UDP_LAN_PORTS accept
+          udp dport $ALLOWED_UDP_PORTS accept
       }
 
       chain zone_lan_forward {

hosts/router/wireguard.nix

@@ -24,7 +24,7 @@ let
   ];
 in
 {
-  secrix.services.systemd-networkd.secrets = let
+  secrix.system.secrets = let
     pskEnabledPeers = builtins.filter (peer: peer.pskEnabled) wg0Peers;
     peerToSecretAttrs = peer: {
       name = "wg0-peer-${peer.name}-psk";
@@ -44,13 +44,13 @@ in
         Name = "wg0";
       };
       wireguardConfig = {
-        PrivateKeyFile = config.secrix.services.systemd-networkd.secrets.wg0-private-key.decrypted.path;
+        PrivateKeyFile = config.secrix.system.secrets.wg0-private-key.decrypted.path;
         ListenPort = 18596;
       };
       wireguardPeers = map (peer: {
-        AllowedIPs = lib.strings.concatStringsSep "," peer.allowedIPs;
+        AllowedIPs = peer.allowedIPs;
         PublicKey = peer.publicKey;
-        PresharedKeyFile = if peer.pskEnabled then config.secrix.services.systemd-networkd.secrets."wg0-peer-${peer.name}-psk".decrypted.path else null;
+        PresharedKeyFile = if peer.pskEnabled then config.secrix.system.secrets."wg0-peer-${peer.name}-psk".decrypted.path else null;
       }) wg0Peers;
     };
   };