{ config, pkgs, lib, ... }: with import <stockholm/lib>; let cfg = config.krebs.setuid; out = { options.krebs.setuid = api; config = mkIf (cfg != {}) imp; }; api = mkOption { default = {}; type = let # TODO make wrapperDir configurable inherit (config.security) wrapperDir; inherit (config.users) groups users; in types.attrsOf (types.submodule ({ config, ... }: { options = { name = mkOption { type = types.filename; default = config._module.args.name; }; envp = mkOption { type = types.attrsOf types.str; default = {}; }; filename = mkOption { type = mkOptionType { # TODO unyuck string and merge with toC name = "derivation or string"; check = x: isDerivation x || isString x; }; apply = toString; }; owner = mkOption { default = "root"; type = types.enum (attrNames users); }; group = mkOption { default = "root"; type = types.enum (attrNames groups); }; mode = mkOption { default = "4710"; type = mkOptionType { # TODO admit symbolic mode name = "octal mode"; check = test "[0-7][0-7][0-7][0-7]"; merge = mergeOneOption; }; }; activate = mkOption { type = types.str; visible = false; readOnly = true; }; }; config.activate = let src = pkgs.execve config.name { inherit (config) envp filename; }; dst = "${wrapperDir}/${config.name}"; in '' cp ${src} ${dst} chown ${config.owner}.${config.group} ${dst} chmod ${config.mode} ${dst} ''; })); }; imp = { system.activationScripts."krebs.setuid" = stringAfter [ "wrappers" ] (concatMapStringsSep "\n" (getAttr "activate") (attrValues cfg)); }; in out