waffentrager: prepare samba DC

configurations/host/waffentrager/services/auth.nix

@@ -5,10 +5,87 @@
   config =
     let
       cfg = config.waffentragerService.auth;
+      sambaCfg = config.services.samba;
+      servicePath = "/var/lib/elements/services/samba";
+      smbToString = x:
+        if builtins.typeOf x == "bool"
+        then lib.boolToString x
+        else builtins.toString x;
+      shareConfig = name:
+        let share = lib.getAttr name cfg.shares; in
+        "[${name}]\n " + (smbToString (
+          map
+            (key: "${key} = ${smbToString (lib.getAttr key share)}\n")
+            (lib.attrNames share)
+        ));
     in
     lib.mkIf cfg.enable {
       waffentragerService.elements.enable = true;
       waffentragerService.nginx.enable = true;
 
+
+
+      systemd.services.resolvconf.enable = false;
+      environment.etc = {
+        resolvconf = {
+          text = ''
+            search ${materusArg.waffentrager.samba.domain}
+            nameserver ${materusArg.waffentrager.samba.dnsIp}
+            nameserver 9.9.9.9
+          '';
         };
+      };
+      systemd.services.samba-smbd.enable = false;
+      systemd.services.samba = {
+        description = "Samba Service Daemon";
+
+        requiredBy = [ "samba.target" ];
+        partOf = [ "samba.target" ];
+
+        serviceConfig = {
+          ExecStart = "${pkgs.samba4Full}/sbin/samba --foreground --no-process-group";
+          ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
+          LimitNOFILE = 16384;
+          PIDFile = "/run/samba.pid";
+          Type = "notify";
+          NotifyAccess = "all";
+        };
+        unitConfig.RequiresMountsFor = servicePath;
+      };
+      # https://wiki.samba.org/index.php/Samba_AD_DC_Port_Usage
+      networking.firewall.allowedTCPPorts = [ 139 445 389 88 53 464 636 3268];
+      networking.firewall.allowedUDPPorts = [ 135 137 138 389 88 53 123 464];
+
+      services.samba = {
+        enable = true;
+        enableNmbd = false;
+        enableWinbindd = false;
+        package = pkgs.samba4Full;
+        configText = ''
+          # Global parameters
+          [global]
+              dns forwarder = ${materusArg.waffentrager.samba.dnsIp}
+              netbios name = ${materusArg.waffentrager.samba.netbiosName}
+              realm = ${lib.toUpper materusArg.waffentrager.samba.domain}
+              server role = active directory domain controller
+              workgroup = ${materusArg.waffentrager.samba.workgroup}
+              idmap_ldb:use rfc2307 = yes
+              ldap server require strong auth = no
+
+          [sysvol]
+              path = ${servicePath}/sysvol
+              read only = No
+
+          [netlogon]
+              path = ${servicePath}/sysvol/${materusArg.waffentrager.samba.domain}/scripts
+              read only = No
+
+
+            ${sambaCfg.extraConfig}
+
+            ${smbToString (map shareConfig (lib.attrNames sambaCfg.shares))}
+        '';
+      };
+    };
+
 }