security: Add signing and validating process
Change-Id: Ic9edfcf56f044821e167d7e49b75a9023b67fbcd
diff --git a/src/validator.hpp b/src/validator.hpp
new file mode 100644
index 0000000..fd4bac8
--- /dev/null
+++ b/src/validator.hpp
@@ -0,0 +1,134 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014 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/>.
+ *
+ * @author Yingdi Yu <yingdi@cs.ucla.edu>
+ **/
+
+#ifndef NLSR_VALIDATOR_HPP
+#define NLSR_VALIDATOR_HPP
+
+#include <ndn-cxx/security/validator-config.hpp>
+
+namespace nlsr {
+
+class Validator : public ndn::ValidatorConfig
+{
+public:
+ class Error : public ndn::ValidatorConfig::Error
+ {
+ public:
+ explicit
+ Error(const std::string& what)
+ : ndn::ValidatorConfig::Error(what)
+ {
+ }
+ };
+
+ explicit
+ Validator(ndn::Face& face,
+ const ndn::Name broadcastPrefix,
+ const ndn::shared_ptr<ndn::CertificateCache>& cache,
+ const int stepLimit = 10)
+ : ndn::ValidatorConfig(face, cache, stepLimit)
+ , m_broadcastPrefix(broadcastPrefix)
+ {
+ m_broadcastPrefix.append("KEYS");
+ }
+
+ virtual
+ ~Validator()
+ {
+ }
+
+ const ndn::Name&
+ getBroadcastPrefix()
+ {
+ return m_broadcastPrefix;
+ }
+
+ void
+ setBroadcastPrefix(const ndn::Name& broadcastPrefix)
+ {
+ m_broadcastPrefix = broadcastPrefix;
+ }
+
+protected:
+ typedef std::vector<ndn::shared_ptr<ndn::ValidationRequest> > NextSteps;
+
+ virtual void
+ checkPolicy(const ndn::Data& data,
+ int nSteps,
+ const ndn::OnDataValidated& onValidated,
+ const ndn::OnDataValidationFailed& onValidationFailed,
+ NextSteps& nextSteps)
+ {
+ ndn::ValidatorConfig::checkPolicy(data, nSteps,
+ onValidated, onValidationFailed,
+ nextSteps);
+
+ for (NextSteps::iterator it = nextSteps.begin(); it != nextSteps.end(); it++)
+ {
+ ndn::Name broadcastName = m_broadcastPrefix;
+ broadcastName.append((*it)->m_interest.getName());
+
+ (*it)->m_interest.setName(broadcastName);
+ }
+ }
+
+ virtual void
+ checkPolicy(const ndn::Interest& interest,
+ int nSteps,
+ const ndn::OnInterestValidated& onValidated,
+ const ndn::OnInterestValidationFailed& onValidationFailed,
+ NextSteps& nextSteps)
+ {
+ ndn::ValidatorConfig::checkPolicy(interest, nSteps,
+ onValidated, onValidationFailed,
+ nextSteps);
+
+ for (NextSteps::iterator it = nextSteps.begin(); it != nextSteps.end(); it++)
+ {
+ ndn::Name broadcastName = m_broadcastPrefix;
+ broadcastName.append((*it)->m_interest.getName());
+
+ (*it)->m_interest.setName(broadcastName);
+ }
+
+ }
+
+ void
+ onData(const ndn::Interest& interest,
+ const ndn::Data& data,
+ const ndn::shared_ptr<ndn::ValidationRequest>& nextStep)
+ {
+
+ ndn::shared_ptr<ndn::Data> internalData = ndn::make_shared<ndn::Data>();
+ internalData->wireDecode(data.getContent().blockFromValue());
+ validate(*internalData,
+ nextStep->m_onValidated, nextStep->m_onDataValidated, nextStep->m_nSteps);
+ }
+
+private:
+ ndn::Name m_broadcastPrefix;
+};
+
+
+} // namespace nlsr
+
+#endif // NLSR_VALIDATOR_HPP