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);
});
}
}
