tools: Combine all security tools into one; Add Export/Import/Delete/Unlock/AddACL command

There might be some bugs in the tools combined, but the purpose of this commit is to combine the tools rather than fixing bugs.

Change-Id: I2924067d666eacfc278ebd07e7e178c54a2f7362
diff --git a/tools/ndnsec-import.hpp b/tools/ndnsec-import.hpp
new file mode 100644
index 0000000..b73e1cf
--- /dev/null
+++ b/tools/ndnsec-import.hpp
@@ -0,0 +1,106 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013, Regents of the University of California
+ * BSD license, See the LICENSE file for more information
+ * Author: Yingdi Yu <yingdi@cs.ucla.edu>
+ */
+
+#ifndef NDNSEC_IMPORT_HPP
+#define NDNSEC_IMPORT_HPP
+
+#include "ndnsec-util.hpp"
+
+int 
+ndnsec_import(int argc, char** argv)
+{
+  using namespace ndn;
+  namespace po = boost::program_options;
+
+  std::string input; 
+  std::string importPassword;
+
+  po::options_description desc("General Usage\n  ndnsec import [-h] input \nGeneral options");
+  desc.add_options()
+    ("help,h", "produce help message")
+    ("input,i", po::value<std::string>(&input), "input source, stdin if not specified")
+    ;
+
+  po::positional_options_description p;
+  p.add("input", 1);
+
+  po::variables_map vm;
+  try
+    {
+      po::store(po::command_line_parser(argc, argv).options(desc).positional(p).run(), vm);
+      po::notify(vm);
+    }
+  catch (std::exception &e)
+    {
+      std::cerr << "ERROR: " << e.what() << std::endl;
+      return 1;
+    }
+
+  if (vm.count("help"))
+    {
+      std::cerr << desc << std::endl;
+      return 0;
+    }
+
+  if (!vm.count("input"))
+    input = "-";
+
+  KeyChain keyChain;
+
+  OBufferStream os;
+  std::istream* ifs;
+  if(input == "-")
+    ifs = &std::cin;
+  else
+    ifs = new std::ifstream(input.c_str());
+
+  {  
+    using namespace CryptoPP;
+    FileSource ss(*ifs, true, new Base64Decoder(new FileSink(os)));
+  }
+
+  try
+    {
+      Block wire(os.buf());
+      
+      int count = 3;
+      while(!getPassword(importPassword, "Passphrase for the private key: "))
+        {
+          count--;
+          if(count <= 0)
+            {
+              std::cerr << "ERROR: Fail to get password" << std::endl;
+              memset(const_cast<char*>(importPassword.c_str()), 0, importPassword.size());
+              return 1;
+            }
+        }
+      keyChain.importIdentity(wire, importPassword);
+      memset(const_cast<char*>(importPassword.c_str()), 0, importPassword.size());
+    }
+  catch(Block::Error& e)
+    {
+      std::cerr << "ERROR: " << e.what() << std::endl;
+      memset(const_cast<char*>(importPassword.c_str()), 0, importPassword.size());
+      return 1;
+    }
+  catch(SecPublicInfo::Error& e)
+    {
+      std::cerr << "ERROR: " << e.what() << std::endl;
+      memset(const_cast<char*>(importPassword.c_str()), 0, importPassword.size());
+      return 1;
+    }
+  catch(SecTpm::Error& e)
+    {
+      std::cerr << "ERROR: " << e.what() << std::endl;
+      memset(const_cast<char*>(importPassword.c_str()), 0, importPassword.size());
+      return 1;
+    }
+
+  return 0;
+}
+
+#endif //NDNSEC_IMPORT_HPP