feat: add updns, add unbound, change hass and firewall

modules/cloonar-assistant/default.nix

@@ -78,6 +78,11 @@ in {
         example = "example";
         description = "key for updns";
       };
+      secretFile = lib.mkOption {
+        type = with types; nullOr str;
+        example = "/private/updns_secret";
+        description = "File pointing to secret as generated by {command}`wg genpsk`.";
+      };
     };
     vpn = {
       enable = lib.mkOption {

modules/cloonar-assistant/home-assistant/default.nix

@@ -1,34 +1,51 @@
 { config, pkgs, ... }:
 let
-  domain = "home-assistant.${config.cloonar-assistant.domain}";
+  domain = config.cloonar-assistant.domain;
   pkgs-with-home-assistant = import (builtins.fetchGit {
     name = "new-home-assistant";
     url = "https://github.com/nixos/nixpkgs/";
     rev = "18dd725c29603f582cf1900e0d25f9f1063dbf11";
   }) {};
-  networkPrefix = config.networkPrefix;
+
   home-assistant-config = config.home-assistant;
   home-assistant-config.package = pkgs-with-home-assistant.home-assistant;
-
+  uid = config.ids.uids.hass;
-
+  gid = config.ids.gids.hass;
-  certDir = "/var/lib/ssl/home-assistant";
-  certFile = "${certDir}/selfsigned.crt";
-  keyFile = "${certDir}/selfsigned.key";
 in
 {
   users.users.hass = {
     home = "/var/lib/hass";
     createHome = true;
     group = "hass";
-    uid = config.ids.uids.hass;
+    uid = uid;
     extraGroups = [ "dialout" ];
   };
-  users.groups.hass.gid = config.ids.gids.hass;
+  users.groups.hass.gid = gid;
+
+  services.nginx.enable = true;
+  services.nginx.virtualHosts."${domain}" = {
+    forceSSL = true;
+    extraConfig = ''
+      proxy_buffering off;
+    '';
+    locations."/".extraConfig = ''
+      proxy_pass http://10.233.0.2:8123;
+      proxy_set_header Host $host;
+      proxy_redirect http:// https://;
+      proxy_http_version 1.1;
+      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      proxy_set_header Upgrade $http_upgrade;
+      proxy_set_header Connection $connection_upgrade;
+    '';
+  };
 
   security.acme.certs."${domain}" = {
-    group = "nginx";
+    group = "ssl-users";
+    allowKeysForGroup = true; 
   };
 
+  users.groups.ssl-users = {};
+
   sops.secrets."home-assistant-secrets.yaml" = {
     owner = "hass";
     restartUnits = [ "container@hass.service" ];
@@ -38,13 +55,8 @@ in
     autoStart = true;
     ephemeral = false;
     privateNetwork = true;
-    hostBridge = "server";
+    hostAddress = "10.233.0.1";
-    hostAddress = "${networkPrefix}.97.1";
+    localAddress = "10.233.0.2";
-    localAddress = "${networkPrefix}.97.20/24";
-    extraFlags = [
-      "--capability=CAP_NET_ADMIN"
-      "--capability=CAP_MKNOD"
-    ];
     bindMounts = {
       "/etc/localtime" = {
         hostPath = "/etc/localtime";
@@ -53,85 +65,18 @@ in
         hostPath = "/var/lib/hass/";
         isReadOnly = false;
       };
-      "/var/lib/acme/hass/" = {
-        hostPath = "${config.security.acme.certs.${domain}.directory}";
-      };
       "/var/lib/hass/secrets.yaml" = {
         hostPath = config.sops.secrets."home-assistant-secrets.yaml".path;
       };
     };
     config = { lib, config, pkgs, ... }: {
-      networkPrefix = networkPrefix;
       imports = [
       ];
 
-      networking = {
-        hostName = "home-assistant";
-        useHostResolvConf = false;
-        defaultGateway = {
-          address = "${networkPrefix}.96.1";
-          interface = "eth0";
-        };
-        firewall.enable = false;
-        nameservers = [ "${networkPrefix}.97.1" ];
-      };
-
       environment.systemPackages = [
         pkgs.mariadb
       ];
 
-      systemd.services.generate-selfsigned-cert = {
-        description = "Generate/renew self-signed SSL certificate";
-        wantedBy = [ "nginx.service" ];
-        path = [ pkgs.openssl pkgs.gnugrep ];
-        
-        script = ''
-          if [ -f ${certFile} ]; then
-            expiry=$(openssl x509 -enddate -noout -in ${certFile} | cut -d= -f2)
-            expiry_epoch=$(date -d "$expiry" +%s)
-            current_epoch=$(date +%s)
-            days_left=$(( (expiry_epoch - current_epoch) / 86400 ))
-            
-            if [ $days_left -lt 30 ]; then  # Regenerate if expiring in <30 days
-              echo "Certificate expiring soon, regenerating..."
-              rm ${certFile} ${keyFile}
-            fi
-          fi
-
-          if [ ! -f ${certFile} ] || [ ! -f ${keyFile} ]; then
-            openssl req -x509 -nodes -days 365 \
-              -newkey rsa:2048 \
-              -keyout ${keyFile} \
-              -out ${certFile} \
-              -subj "/CN=${domain}"
-          fi
-        '';
-
-        serviceConfig = {
-          Type = "oneshot";
-          RemainAfterExit = true;
-        };
-      };
-
-      services.nginx.enable = true;
-      services.nginx.virtualHosts."${domain}" = {
-        sslCertificate = certFile;
-        sslCertificateKey = keyFile;
-        forceSSL = true;
-        extraConfig = ''
-          proxy_buffering off;
-        '';
-        locations."/".extraConfig = ''
-          proxy_pass http://127.0.0.1:8123;
-          proxy_set_header Host $host;
-          proxy_redirect http:// https://;
-          proxy_http_version 1.1;
-          proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-          proxy_set_header Upgrade $http_upgrade;
-          proxy_set_header Connection $connection_upgrade;
-        '';
-      };
-
       services.home-assistant = home-assistant-config;
 
       services.home-assistant.extraComponents = [
@@ -243,6 +188,7 @@ in
         };
 
       users.users.hass.extraGroups = [ "dialout" ];
+      networking.firewall.allowedTCPPorts = [ 8123 ];
       system.stateVersion = "23.05";
     };
   };

modules/cloonar-assistant/networking/default.nix

@@ -3,6 +3,7 @@
     ./interfaces.nix
     ./dhcp.nix
     ./firewall.nix
+    ./unbound.nix
     ./wireguard.nix
   ];
 }

modules/cloonar-assistant/networking/firewall.nix

@@ -77,6 +77,9 @@ in {
               # enable flow offloading for better throughput
               # ip protocol { tcp, udp } flow offload @f
 
+              # allow home assistant to wan
+              iifname "ve-hass" oifname wan counter accept comment "Allow home assistant to WAN"
+
               # multimedia airplay
               ${lib.optionalString config.cloonar-assistant.multiroom-audio.enable ''
                 iifname "multimedia" oifname { "lan" } counter accept
@@ -92,7 +95,7 @@ in {
                 iifname "smart" oifname "server" ip daddr ${config.networkPrefix}.97.20/32 tcp dport { 1883 } counter accept
 
                 # lan and vpn to any
-                iifname { "lan", "server", "vserver", "wg_cloonar" } oifname { "lan", "vb-*", "vm-*", "server", "vserver", "infrastructure", "multimedia", "smart", "wg_cloonar", "guest", "setup" } counter accept
+                iifname { "lan", "server", "vserver", "wg_cloonar" } oifname { "lan", "server", "vserver", "infrastructure", "multimedia", "smart", "wg_cloonar", "guest", "setup" } counter accept
                 iifname { "infrastructure", "setup" } oifname { "server", "vserver" } counter accept
                 iifname { "lan", "wan" } udp dport { 8211, 27015 } counter accept comment "palworld"
               ''}
@@ -114,8 +117,6 @@ in {
                   "podman*",
                   "guest",
                   "setup",
-                  "vb-*",
-                  "vm-*",
                 } oifname {
                   "wan",
                 } counter accept comment "Allow trusted LAN to WAN"

modules/cloonar-assistant/networking/unbound.nix

@@ -0,0 +1,142 @@
+{ config, ... }: {
+
+}
+
+{ config, pkgs, ... }:
+let
+  cfg = {
+    remote-control.control-enable = true;
+    server = {
+      interface = [ "0.0.0.0" "::0" ];
+      interface-automatic = "yes";
+      access-control = [
+        "127.0.0.0/8 allow"
+        "${config.networkPrefix}.96.0/24 allow"
+        "${config.networkPrefix}.97.0/24 allow"
+        "${config.networkPrefix}.98.0/24 allow"
+        "${config.networkPrefix}.99.0/24 allow"
+        "${config.networkPrefix}.101.0/24 allow"
+        "0.0.0.0/0 allow"
+      ];
+      tls-cert-bundle = "/etc/ssl/certs/ca-certificates.crt";
+      local-zone = "\"${config.cloonar-assistant.domain}\" transparent";
+      local-data = [
+        "\"localhost A 127.0.0.1\""
+        "\"localhost.${config.cloonar-assistant.domain} A 127.0.0.1\""
+        "\"localhost AAAA ::1\""
+        "\"localhost.${config.cloonar-assistant.domain} AAAA ::1\""
+        "\"fw.${config.cloonar-assistant.domain} A ${config.networkPrefix}.97.1\""
+        "\"fw A ${config.networkPrefix}.97.1\""
+
+        "\"mopidy.${config.cloonar-assistant.domain} IN A ${config.networkPrefix}.97.21\""
+        "\"snapcast.${config.cloonar-assistant.domain} IN A ${config.networkPrefix}.97.21\""
+        "\"home-assistant.${config.cloonar-assistant.domain} IN A ${config.networkPrefix}.97.20\""
+      ];
+      local-data-ptr = [
+        "\"127.0.0.1 localhost\""
+        "\"::1 localhost\""
+        "\"${config.networkPrefix}.97.1 fw.${config.cloonar-assistant.domain}\""
+        "\"${config.networkPrefix}.97.20 home-assistant.${config.cloonar-assistant.domain}\""
+        "\"${config.networkPrefix}.97.21 snapcast.${config.cloonar-assistant.domain}\""
+      ];
+      # ssl-upstream = "yes";
+    };
+    forward-zone = [
+      {
+        name = ".";
+        forward-tls-upstream = "yes";
+        forward-first = "no";
+        forward-addr = [ 
+          "9.9.9.9@853#dns9.quad9.net"
+          "149.112.112.11@853#dns11.quad9.net"
+        ];
+      }
+    ];
+  };
+in {
+  users.users.unbound = {
+    group = "unbound";
+    isSystemUser = true;
+    extraGroups = [ "ssl-users" ];
+  };
+  users.groups.unbound = { };
+
+  services.resolved.enable = false;
+
+  services.unbound = {
+    enable = true;
+    settings = cfg;
+  };
+
+  systemd.services.unbound-sync = lib.mkIf config.cloonar-assistant.firewall.enable {
+    enable = true;
+    path = with pkgs; [ unbound inotify-tools ];
+    script = ''
+      function readFile() {
+        if [[ "''\$2" == "A" ]] ; then
+          cat "''\$1" | tail -n +2 | while IFS=, read -r address hwaddr client_id valid_lifetime expire subnet_id fqdn_fwd fqdn_rev hostname state user_context
+          do
+            echo "''\${address},''\${hostname}"
+          done
+        else
+          cat "''\$1" | tail -n +2 | while IFS=, read -r address duid valid_lifetime expire subnet_id pref_lifetime lease_type iaid prefix_len fqdn_fwd fqdn_rev hostname hwaddr state user_context hwtype hwaddr_source
+          do
+            echo "''\${address},''\${hostname}"
+          done
+        fi    
+      }     
+          
+      function readFileUnique() {
+        readFile "''\$1" ''\$2 | uniq | while IFS=, read -r address hostname
+        do  
+          if echo "''\${1}" | grep -Eq '.*\.(${config.cloonar-assistant.domain})'; then
+            echo ''\${hostname} ''\$2 ''\${address}
+            unbound-control local_data ''\${hostname} ''\$2 ''\${address} > /dev/null 2>&1
+            if [[ "''\$2" == "A" ]] ; then
+              echo ''\${address} | while IFS=. read -r ip0 ip1 ip2 ip3
+              do
+                unbound-control local_data ''\${ip3}.''\${ip2}.''\${ip1}.''\${ip0}.ip4.arpa. PTR ''\${hostname} > /dev/null 2>&1
+                unbound-control local_data ''\${ip3}.''\${ip2}.''\${ip1}.''\${ip0}.in-addr.arpa. PTR ''\${hostname} > /dev/null 2>&1
+              done
+            fi
+          else
+            if [[ "''\$2" == "A" ]] ; then
+              echo ''\${address} | while IFS=. read -r ip0 ip1 ip2 ip3
+              do
+                if [[ "''\${hostname}" != "" ]]; then
+                  domain=${config.cloonar-assistant.domain}
+                  if [[ "''\${hostname}" != *. ]]; then
+                    unbound-control local_data ''\${hostname}.''\${domain} ''\$2 ''\${address} > /dev/null 2>&1
+                  else
+                    unbound-control local_data ''\${hostname}''\${domain} ''\$2 ''\${address} > /dev/null 2>&1
+                  fi
+                  
+                fi
+                unbound-control local_data ''\${ip3}.''\${ip2}.''\${ip1}.''\${ip0}.ip4.arpa. PTR ''\${hostname} > /dev/null 2>&1
+                unbound-control local_data ''\${ip3}.''\${ip2}.''\${ip1}.''\${ip0}.in-addr.arpa. PTR ''\${hostname} > /dev/null 2>&1
+              done
+            fi
+          fi
+        done
+      } 
+      
+      function syncFile() {
+        # readFileUnique "''\$1" "''\$2"
+        while true; do
+          readFileUnique "''\$1" "''\$2"
+          sleep 10
+        done 
+      }
+
+      syncFile "/var/lib/kea/dhcp4.leases" A &
+      # syncFile "/var/lib/kea/dhcp6.leases" AAAA &
+      wait
+    '';
+    wants = [ "network-online.target" "unbound.service" ];
+    after = [ "network-online.target" "unbound.service" ];
+    partOf = [ "unbound.service" ];
+    wantedBy = [ "multi-user.target" ];
+  };
+
+  networking.firewall.allowedUDPPorts = [ 53 5353 ];
+}

modules/cloonar-assistant/updns/default.nix

@@ -16,7 +16,7 @@
     "set -euo pipefail"
     ""
     "# Where our secret lives (encrypted)"
-    "SECRET=${config.sops.secrets.updns-client.path}"
+    "SECRET=${config.cloonar-assistant.updns-client.secretFile}"
     "# Where we record the last‐seen IP"
     "LAST_IP_FILE=/var/lib/updns-client/last-ip"
     ""