DseGssapiAuthenticatorUnlockCallback unlock_callback,

void* data) {

#ifdef HAVE_KERBEROS

return DseGssapiAuthenticator::set_lock_callbacks(lock_callback, unlock_callback, data);

#else

return CASS_ERROR_LIB_NOT_IMPLEMENTED;

#endif

if (class_name_ == DSE_AUTHENTICATOR) {

response->assign(PLAINTEXT_AUTH_MECHANISM);

return true;

} else {

return evaluate_challenge(PLAINTEXT_AUTH_SERVER_INITIAL_CHALLENGE, response);

}

if (token != PLAINTEXT_AUTH_SERVER_INITIAL_CHALLENGE) {

LOG_ERROR("Invalid start token for DSE plaintext authenticator during challenge: '%s'",

token.c_str());

return false;

}

// Credentials are of the form "<authid>\0<username>\0<password>"

response->append(authorization_id_);

response->push_back('\0');

response->append(username_);

response->push_back('\0');

response->append(password_);

return true;