1 files changed, 0 insertions, 251 deletions
diff --git a/louloulibs/network/tcp_socket_handler.hpp b/louloulibs/network/tcp_socket_handler.hpp
deleted file mode 100644
index 3ee2f47..0000000
--- a/louloulibs/network/tcp_socket_handler.hpp
+++ /dev/null
@@ -1,251 +0,0 @@
-#pragma once
-
-#include "louloulibs.h"
-
-#include <network/socket_handler.hpp>
-#include <network/resolver.hpp>
-
-#include <network/credentials_manager.hpp>
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netdb.h>
-
-#include <chrono>
-#include <vector>
-#include <memory>
-#include <string>
-#include <list>
-
-#ifdef BOTAN_FOUND
-
-# include <botan/types.h>
-# include <botan/botan.h>
-# include <botan/tls_session_manager.h>
-
-class BiboumiTLSPolicy: public Botan::TLS::Policy
-{
-public:
-# if BOTAN_VERSION_CODE >= BOTAN_VERSION_CODE_FOR(1,11,33)
-  bool use_ecc_point_compression() const override
-  {
-    return true;
-  }
-  bool require_cert_revocation_info() const override
-  {
-    return false;
-  }
-# endif
-};
-
-# if BOTAN_VERSION_CODE >= BOTAN_VERSION_CODE_FOR(1,11,32)
-#  define BOTAN_TLS_CALLBACKS_OVERRIDE override final
-# else
-#  define BOTAN_TLS_CALLBACKS_OVERRIDE
-# endif
-#endif
-
-/**
- * Does all the read/write, buffering etc. With optional tls.
- * But doesn’t do any connect() or accept() or anything else.
- */
-class TCPSocketHandler: public SocketHandler
-#ifdef BOTAN_FOUND
-# if BOTAN_VERSION_CODE >= BOTAN_VERSION_CODE_FOR(1,11,32)
-    ,public Botan::TLS::Callbacks
-# endif
-#endif
-{
-protected:
-  ~TCPSocketHandler();
-public:
-  explicit TCPSocketHandler(std::shared_ptr<Poller>& poller);
-  TCPSocketHandler(const TCPSocketHandler&) = delete;
-  TCPSocketHandler(TCPSocketHandler&&) = delete;
-  TCPSocketHandler& operator=(const TCPSocketHandler&) = delete;
-  TCPSocketHandler& operator=(TCPSocketHandler&&) = delete;
-
-  /**
-   * Reads raw data from the socket. And pass it to parse_in_buffer()
-   * If we are using TLS on this connection, we call tls_recv()
-   */
-  void on_recv() override final;
-  /**
-   * Write as much data from out_buf as possible, in the socket.
-   */
-  void on_send() override final;
-  /**
-   * Add the given data to out_buf and tell our poller that we want to be
-   * notified when a send event is ready.
-   *
-   * This can be overriden if we want to modify the data before sending
-   * it. For example if we want to encrypt it.
-   */
-  void send_data(std::string&& data);
-  /**
-   * Watch the socket for send events, if our out buffer is not empty.
-   */
-  void send_pending_data();
-  /**
-   * Close the connection, remove us from the poller
-   */
-  virtual void close();
-  /**
-   * Handle/consume (some of) the data received so far.  The data to handle
-   * may be in the in_buf buffer, or somewhere else, depending on what
-   * get_receive_buffer() returned.  If some data is used from in_buf, it
-   * should be truncated, only the unused data should be left untouched.
-   *
-   * The size argument is the size of the last chunk of data that was added to the buffer.
-   *
-   * The function should call consume_in_buffer, with the size that was consumed by the
-   * “parsing”, and thus to be removed from the input buffer.
-   */
-  virtual void parse_in_buffer(const size_t size) = 0;
-#ifdef BOTAN_FOUND
-  /**
-   * Tell whether the credential manager should cancel the connection when the
-   * certificate is invalid.
-   */
-  virtual bool abort_on_invalid_cert() const
-  {
-    return true;
-  }
-#endif
-  bool is_using_tls() const;
-
-private:
-  /**
-   * Reads from the socket into the provided buffer.  If an error occurs
-   * (read returns <= 0), the handling of the error is done here (close the
-   * connection, log a message, etc).
-   *
-   * Returns the value returned by ::recv(), so the buffer should not be
-   * used if it’s not positive.
-   */
-  ssize_t do_recv(void* recv_buf, const size_t buf_size);
-  /**
-   * Reads data from the socket and calls parse_in_buffer with it.
-   */
-  void plain_recv();
-  /**
-   * Mark the given data as ready to be sent, as-is, on the socket, as soon
-   * as we can.
-   */
-  void raw_send(std::string&& data);
-
- protected:
-  virtual bool is_connecting() const = 0;
-#ifdef BOTAN_FOUND
-  /**
-   * Create the TLS::Client object, with all the callbacks etc. This must be
-   * called only when we know we are able to send TLS-encrypted data over
-   * the socket.
-   */
-  void start_tls(const std::string& address, const std::string& port);
- private:
-  /**
-   * An additional step to pass the data into our tls object to decrypt it
-   * before passing it to parse_in_buffer.
-   */
-  void tls_recv();
-  /**
-   * Pass the data to the tls object in order to encrypt it. The tls object
-   * will then call raw_send as a callback whenever data as been encrypted
-   * and can be sent on the socket.
-   */
-  void tls_send(std::string&& data);
-  /**
-   * Called by the tls object that some data has been decrypt. We call
-   * parse_in_buffer() to handle that unencrypted data.
-   */
-  void tls_record_received(uint64_t rec_no, const Botan::byte* data, size_t size) BOTAN_TLS_CALLBACKS_OVERRIDE;
-  /**
-   * Called by the tls object to indicate that some data has been encrypted
-   * and is now ready to be sent on the socket as is.
-   */
-  void tls_emit_data(const Botan::byte* data, size_t size) BOTAN_TLS_CALLBACKS_OVERRIDE;
-  /**
-   * Called by the tls object to indicate that a TLS alert has been
-   * received. We don’t use it, we just log some message, at the moment.
-   */
-  void tls_alert(Botan::TLS::Alert alert) BOTAN_TLS_CALLBACKS_OVERRIDE;
-  /**
-   * Called by the tls object at the end of the TLS handshake. We don't do
-   * anything here appart from logging the TLS session information.
-   */
-  bool tls_session_established(const Botan::TLS::Session& session) BOTAN_TLS_CALLBACKS_OVERRIDE;
-
-#if BOTAN_VERSION_CODE >= BOTAN_VERSION_CODE_FOR(1,11,34)
-  void tls_verify_cert_chain(const std::vector<Botan::X509_Certificate>& cert_chain,
-                             const std::vector<std::shared_ptr<const Botan::OCSP::Response>>& ocsp_responses,
-                             const std::vector<Botan::Certificate_Store*>& trusted_roots,
-                             Botan::Usage_Type usage,
-                             const std::string& hostname,
-                             const Botan::TLS::Policy& policy) BOTAN_TLS_CALLBACKS_OVERRIDE;
-#endif
-  /**
-   * Called whenever the tls session goes from inactive to active. This
-   * means that the handshake has just been successfully done, and we can
-   * now proceed to send any available data into our tls object.
-   */
-  void on_tls_activated();
-#endif // BOTAN_FOUND
-  /**
-   * Where data is added, when we want to send something to the client.
-   */
-  std::vector<std::string> out_buf;
-protected:
-  /**
-   * Whether we are using TLS on this connection or not.
-   */
-  bool use_tls;
-  /**
-   * Where data read from the socket is added until we can extract a full
-   * and meaningful “message” from it.
-   *
-   * TODO: something more efficient than a string.
-   */
-  std::string in_buf;
-  /**
-   * Remove the given “size” first bytes from our in_buf.
-   */
-  void consume_in_buffer(const std::size_t size);
-  /**
-   * Provide a buffer in which data can be directly received. This can be
-   * used to avoid copying data into in_buf before using it. If no buffer
-   * needs to be provided, nullptr is returned (the default implementation
-   * does that), in that case our internal in_buf will be used to save the
-   * data until it can be used by parse_in_buffer().
-   */
-  virtual void* get_receive_buffer(const size_t size) const;
-  /**
-   * Called when we detect a disconnection from the remote host.
-   */
-  virtual void on_connection_close(const std::string&) {}
-  virtual void on_connection_failed(const std::string&) {}
-
-#ifdef BOTAN_FOUND
-protected:
-  BasicCredentialsManager credential_manager;
-private:
-  /**
-   * We use a unique_ptr because we may not want to create the object at
-   * all. The Botan::TLS::Client object generates a handshake message and
-   * calls the output_fn callback with it as soon as it is created.
-   * Therefore, we do not want to create it if we do not intend to send any
-   * TLS-encrypted message. We create the object only when needed (for
-   * example after we have negociated a TLS session using a STARTTLS
-   * message, or stuf like that).
-   *
-   * See start_tls for the method where this object is created.
-   */
-  std::unique_ptr<Botan::TLS::Client> tls;
-  /**
-   * An additional buffer to keep data that the user wants to send, but
-   * cannot because the handshake is not done.
-   */
-  std::vector<Botan::byte> pre_buf;
-#endif // BOTAN_FOUND
-};