···

       
557
       
557
       
 
       
  sdInitrdGidsAreUnique = idsAreUnique (filterAttrs (n: g: g.gid != null) config.boot.initrd.systemd.groups) "gid";

     

       
558
       
558
       
 
       
  groupNames = lib.mapAttrsToList (n: g: g.name) cfg.groups;

     

       
559
       
559
       
 
       
  usersWithoutExistingGroup = lib.filterAttrs (n: u: u.group != "" && !lib.elem u.group groupNames) cfg.users;

     

       
560
       
560
       
+
       
  usersWithNullShells = attrNames (filterAttrs (name: cfg: cfg.shell == null) cfg.users);

     

       
560
       
561
       
 
       


     

       
561
       
562
       
 
       
  spec = pkgs.writeText "users-groups.json" (builtins.toJSON {

     

       
562
       
563
       
 
       
    inherit (cfg) mutableUsers;

     
···

       
910
       
911
       
 
       
              ${lib.concatStringsSep "\n  " (map mkConfigHint missingGroups)}

     

       
911
       
912
       
 
       
          '';

     

       
912
       
913
       
 
       
      }

     

       
914
       
914
       
+
       
      {

     

       
915
       
915
       
+
       
        assertion = !cfg.mutableUsers -> length usersWithNullShells == 0;

     

       
916
       
916
       
+
       
        message = ''

     

       
917
       
917
       
+
       
          users.mutableUsers = false has been set,

     

       
918
       
918
       
+
       
          but found users that have their shell set to null.

     

       
919
       
919
       
+
       
          If you wish to disable login, set their shell to pkgs.shadow (the default).

     

       
920
       
920
       
+
       
          Misconfigured users: ${lib.concatStringsSep " " usersWithNullShells}

     

       
921
       
921
       
+
       
        '';

     

       
922
       
922
       
+
       
      }

     

       
913
       
923
       
 
       
      { # If mutableUsers is false, to prevent users creating a

     

       
914
       
924
       
 
       
        # configuration that locks them out of the system, ensure that

     

       
915
       
925
       
 
       
        # there is at least one "privileged" account that has a

     

       
916
       
926
       
 
       
        # password or an SSH authorized key. Privileged accounts are

     

       
917
       
927
       
 
       
        # root and users in the wheel group.

     

       
918
       
918
       
-
       
        # The check does not apply when users.disableLoginPossibilityAssertion

     

       
928
       
928
       
+
       
        # The check does not apply when users.allowNoPasswordLogin

     

       
919
       
929
       
 
       
        # The check does not apply when users.mutableUsers

     

       
920
       
930
       
 
       
        assertion = !cfg.mutableUsers -> !cfg.allowNoPasswordLogin ->

     

       
921
       
931
       
 
       
          any id (mapAttrsToList (name: cfg: