C++ (Cpp) context::use_tmp_dh_file Examples

Example #1

File: rpc_secure.cpp Project: clemahieu/raiblocks

void nano::rpc_secure::load_certs (boost::asio::ssl::context & context_a)
{
	// This is called if the key is password protected
	context_a.set_password_callback (
	[this](std::size_t,
	boost::asio::ssl::context_base::password_purpose) {
		return config.secure.server_key_passphrase;
	});

	// The following two options disables the session cache and enables stateless session resumption.
	// This is necessary because of the way the RPC server abruptly terminate connections.
	SSL_CTX_set_session_cache_mode (context_a.native_handle (), SSL_SESS_CACHE_OFF);
	SSL_CTX_set_options (context_a.native_handle (), SSL_OP_NO_TICKET);

	context_a.set_options (
	boost::asio::ssl::context::default_workarounds | boost::asio::ssl::context::no_sslv2 | boost::asio::ssl::context::no_sslv3 | boost::asio::ssl::context::single_dh_use);

	context_a.use_certificate_chain_file (config.secure.server_cert_path);
	context_a.use_private_key_file (config.secure.server_key_path, boost::asio::ssl::context::pem);
	context_a.use_tmp_dh_file (config.secure.server_dh_path);

	// Verify client certificates?
	if (config.secure.client_certs_path.size () > 0)
	{
		context_a.set_verify_mode (boost::asio::ssl::verify_fail_if_no_peer_cert | boost::asio::ssl::verify_peer);
		context_a.add_verify_path (config.secure.client_certs_path);
		context_a.set_verify_callback ([this](auto preverified, auto & ctx) {
			return this->on_verify_certificate (preverified, ctx);
		});
	}
}

Example #2

File: SslContextInitializer.cpp Project: AimaTeam-hehai/hmailserver

   bool
   SslContextInitializer::InitServer(boost::asio::ssl::context& context, std::shared_ptr<SSLCertificate> certificate, String ip_address, int port)
   {  
      if (!certificate)
      {
         String errorMessage = Formatter::Format("Error initializing SSL. Certificate not set. Address: {0}, Port: {1}", ip_address, port);
         ErrorManager::Instance()->ReportError(ErrorManager::High, 5113, "SslContextInitializer::InitServer", errorMessage);
         return false;
      }

      SetContextOptions_(context);
      EnableEllipticCurveCrypto_(context);

      if (!SetCipherList_(context))
         return false;

      try
      {         
         String bin_directory = Utilities::GetBinDirectory();
         String dh2048_file = FileUtilities::Combine(bin_directory, "dh2048.pem");

         if (FileUtilities::Exists(dh2048_file))
         {
            context.use_tmp_dh_file(AnsiString(dh2048_file));
         }
         else
         {
            ErrorManager::Instance()->ReportError(ErrorManager::Critical, 5603, "SslContextInitializer::InitServer", Formatter::Format("Unable to enable Diffie - Hellman key agreement.The required file {0} does not exist.", dh2048_file));
         }
      }
      catch (boost::system::system_error ec)
      {
         String asioError = ec.what();

         String errorMessage;
         errorMessage.Format(_T("Failed to set SSL context options. Address: %s, Port: %i, Error: %s"), 
            String(ip_address).c_str(), port, asioError.c_str());

         ErrorManager::Instance()->ReportError(ErrorManager::High, 5113, "SslContextInitializer::InitServer", errorMessage);

         return false;

      }

      AnsiString certificateFile = certificate->GetCertificateFile();
      AnsiString privateKeyFile = certificate->GetPrivateKeyFile();


      try
      {
         context.use_certificate_file(certificateFile, boost::asio::ssl::context::pem);
      }
      catch (boost::system::system_error ec)
      {
         String asioError = ec.what();

         String errorMessage;
         errorMessage.Format(_T("Failed to load certificate file. Path: %s, Address: %s, Port: %i, Error: %s"), 
            String(certificateFile).c_str(), ip_address.c_str(), port, asioError.c_str());

         ErrorManager::Instance()->ReportError(ErrorManager::High, 5113, "SslContextInitializer::InitServer", errorMessage);

         return false;
      }

      try
      {
         context.use_certificate_chain_file(certificateFile);
      }
      catch (boost::system::system_error ec)
      {
         String asioError = ec.what();

         String errorMessage;
         errorMessage.Format(_T("Failed to load certificate chain from certificate file. Path: %s, Address: %s, Port: %i, Error: %s"), 
            String(certificateFile), ip_address.c_str(), port, asioError.c_str());

         ErrorManager::Instance()->ReportError(ErrorManager::High, 5113, "SslContextInitializer::InitServer", errorMessage);

         return false;
      }

      try
      {
         context.set_password_callback(std::bind(&SslContextInitializer::GetPassword_));
         context.use_private_key_file(privateKeyFile, boost::asio::ssl::context::pem);
      }
      catch (boost::system::system_error ec)
      {
         String asioError = ec.what();

         String errorMessage;
         errorMessage.Format(_T("Failed to load private key file. Path: %s, Address: %s, Port: %i, Error: %s"), 
            String(privateKeyFile), ip_address.c_str(), port, asioError.c_str());

         ErrorManager::Instance()->ReportError(ErrorManager::High, 5113, "SslContextInitializer::InitServer", errorMessage);

         return false;
      }
      catch (...)
      {
         String errorMessage = "Error initializing SSL";
         ErrorManager::Instance()->ReportError(ErrorManager::High, 5113, "SslContextInitializer::InitServer", errorMessage);
         return false;
      }


      return true;
   }