| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
| /** |
| * Copyright (c) 2014-2017, The University of Memphis, |
| * Regents of the University of California |
| * |
| * This file is part of NLSR (Named-data Link State Routing). |
| * See AUTHORS.md for complete list of NLSR authors and contributors. |
| * |
| * NLSR is free software: you can redistribute it and/or modify it under the terms |
| * of the GNU General Public License as published by the Free Software Foundation, |
| * either version 3 of the License, or (at your option) any later version. |
| * |
| * NLSR is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
| * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
| * PURPOSE. See the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * NLSR, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>. |
| **/ |
| |
| #include "validator.hpp" |
| |
| namespace nlsr { |
| |
| void |
| Validator::checkPolicy(const ndn::Data& data, int nSteps, const ndn::OnDataValidated& onValidated, |
| const ndn::OnDataValidationFailed& onValidationFailed, |
| std::vector<shared_ptr<ndn::ValidationRequest>>& nextSteps) |
| { |
| if (!m_shouldValidate) { |
| onValidated(data.shared_from_this()); |
| } |
| else { |
| ValidatorConfig::checkPolicy(data, nSteps, onValidated, onValidationFailed, nextSteps); |
| } |
| } |
| |
| void |
| Validator::afterCheckPolicy(const NextSteps& nextSteps, const OnFailure& onFailure) |
| { |
| if (m_face == nullptr) { |
| onFailure("Require more information to validate the packet!"); |
| return; |
| } |
| |
| for (const std::shared_ptr<ndn::ValidationRequest>& request : nextSteps) { |
| |
| ndn::Interest& interest = request->m_interest; |
| |
| // Look for certificate in permanent storage |
| std::shared_ptr<const ndn::IdentityCertificate> cert = m_certStore.find(interest.getName()); |
| |
| if (cert != nullptr) { |
| // If the certificate is found, no reason to express interest |
| std::shared_ptr<ndn::Data> data = std::make_shared<ndn::Data>(interest.getName()); |
| data->setContent(cert->wireEncode()); |
| |
| Validator::onData(interest, *data, request); |
| } |
| else { |
| // Prepend broadcast prefix to interest name |
| ndn::Name broadcastName = m_broadcastPrefix; |
| broadcastName.append(interest.getName()); |
| interest.setName(broadcastName); |
| |
| // Attempt to fetch the certificate |
| m_face->expressInterest(interest, |
| std::bind(&Validator::onData, this, _1, _2, request), |
| std::bind(&Validator::onTimeout, // Nack |
| this, _1, request->m_nRetries, |
| onFailure, |
| request), |
| std::bind(&Validator::onTimeout, |
| this, _1, request->m_nRetries, |
| onFailure, |
| request)); |
| } |
| } |
| } |
| |
| std::shared_ptr<const ndn::Data> |
| Validator::preCertificateValidation(const ndn::Data& data) |
| { |
| std::shared_ptr<ndn::Data> internalData = std::make_shared<ndn::Data>(); |
| internalData->wireDecode(data.getContent().blockFromValue()); |
| return internalData; |
| } |
| |
| } // namespace nlsr |