os_free(wpa_s->conf->opensc_engine_path);
wpa_s->conf->opensc_engine_path = opensc_engine_path;
os_free(wpa_s->conf->pkcs11_engine_path);
wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path;
os_free(wpa_s->conf->pkcs11_module_path);
wpa_s->conf->pkcs11_module_path = pkcs11_module_path;
os_free(wpa_s->conf->opensc_engine_path);
wpa_s->conf->opensc_engine_path = opensc_engine_path;
os_free(wpa_s->conf->pkcs11_engine_path);
wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path;
os_free(wpa_s->conf->pkcs11_module_path);
wpa_s->conf->pkcs11_module_path = pkcs11_module_path;