It's redundant because you can (and should) specify an option type, or an apply function.
		
			
				
	
	
		
			70 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
{pkgs, config, ...}:
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let
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  cfg = config.security.apparmor;
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in
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with pkgs.lib;
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{
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  ###### interface
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  options = {
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    security.apparmor = {
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      enable = mkOption {
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        type = types.bool;
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        default = false;
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        description = ''
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          Enable AppArmor application security system. Enable only if
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          you want to further improve AppArmor.
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        '';
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      };
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      profiles = mkOption {
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        type = types.listOf types.path;
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        default = [];
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        description = ''
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          List of file names of AppArmor profiles.
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        '';
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      };
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    };
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  };
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  ###### implementation
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  config = mkIf (cfg.enable) {
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    assertions = [ { assertion = config.boot.kernelPackages.kernel.features ? apparmor
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                               && config.boot.kernelPackages.kernel.features.apparmor;
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                     message = "AppArmor is enabled, but the kernel doesn't have AppArmor support"; }
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                 ];
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    environment.systemPackages = [ pkgs.apparmor ];
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    systemd.services.apparmor = {
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      #wantedBy = [ "basic.target" ];
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      wantedBy = [ "local-fs.target" ];
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      path = [ pkgs.apparmor ];
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      serviceConfig = {
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        Type = "oneshot";
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        RemainAfterExit = "yes";
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        ExecStart = concatMapStrings (profile:
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          ''${pkgs.apparmor}/sbin/apparmor_parser -rKv -I ${pkgs.apparmor}/etc/apparmor.d/ "${profile}" ; ''
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        ) cfg.profiles;
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        ExecStop = concatMapStrings (profile:
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          ''${pkgs.apparmor}/sbin/apparmor_parser -Rv -I ${pkgs.apparmor}/etc/apparmor.d/ "${profile}" ; ''
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        ) cfg.profiles;
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      };
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    };
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  };
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}
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