security: Add v2::Validator implementation
Based on the code originally written by Qiuhan Ding
Change-Id: Ib66e24f49d0b6fb2ae21ea1fca7b9ec62ecb753a
Refs: #3289, #1872
diff --git a/src/security/v2/validation-error.hpp b/src/security/v2/validation-error.hpp
new file mode 100644
index 0000000..e737e87
--- /dev/null
+++ b/src/security/v2/validation-error.hpp
@@ -0,0 +1,93 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2017 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library 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 Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#ifndef NDN_SECURITY_V2_VALIDATION_ERROR_HPP
+#define NDN_SECURITY_V2_VALIDATION_ERROR_HPP
+
+#include "../../common.hpp"
+
+namespace ndn {
+namespace security {
+namespace v2 {
+
+/**
+ * @brief Validation error code and optional detailed error message
+ */
+class ValidationError
+{
+public:
+ /**
+ * @brief Known validation error code
+ * @sa specs/validation-error-code.rst
+ */
+ enum Code : uint32_t {
+ NO_ERROR = 0,
+ INVALID_SIGNATURE = 1,
+ NO_SIGNATURE = 2,
+ CANNOT_RETRIEVE_CERT = 3,
+ EXPIRED_CERT = 4,
+ LOOP_DETECTED = 5,
+ MALFORMED_CERT = 6,
+ EXCEEDED_DEPTH_LIMIT = 7,
+ INVALID_KEY_LOCATOR = 8,
+ POLICY_ERROR = 9,
+ IMPLEMENTATION_ERROR = 255,
+ USER_MIN = 256 // custom error codes should use >=256
+ };
+
+public:
+ /**
+ * @brief Validation error, implicitly convertible from an error code and info
+ */
+ ValidationError(uint32_t code, const std::string& info = "")
+ : m_code(code)
+ , m_info(info)
+ {
+ }
+
+ uint32_t
+ getCode() const
+ {
+ return m_code;
+ }
+
+ const std::string&
+ getInfo() const
+ {
+ return m_info;
+ }
+
+private:
+ uint32_t m_code;
+ std::string m_info;
+};
+
+std::ostream&
+operator<<(std::ostream& os, ValidationError::Code code);
+
+std::ostream&
+operator<<(std::ostream& os, const ValidationError& error);
+
+} // namespace v2
+} // namespace security
+} // namespace ndn
+
+#endif // NDN_SECURITY_V2_VALIDATION_ERROR_HPP