bool filterUid uid_t uid auto userInfo getUserInfo uid std ifstream in

bool filterUid(uid_t uid) {
    auto userInfo = getUserInfo(uid);
    std::ifstream in("/etc/shells");

    std::string str;
    std::vector<std::string> shells;

    while (std::getline(in, str)) {
        if(!str.empty())
            shells.push_back(str);
    }

    return !(std::find(shells.begin(), shells.end(), userInfo.shell) != shells.end());
}