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/*
* TLS Server - implementation for TLS 1.2
* (C) 2004-2011 Jack Lloyd
* 2016 Matthias Gierlings
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_TLS_SERVER_IMPL_12_H_
#define BOTAN_TLS_SERVER_IMPL_12_H_
#include <botan/credentials_manager.h>
#include <botan/tls_policy.h>
#include <botan/internal/tls_channel_impl_12.h>
#include <vector>
namespace Botan::TLS {
class Server_Handshake_State;
/**
* SSL/TLS Server 1.2 implementation
*/
class Server_Impl_12 : public Channel_Impl_12 {
public:
typedef std::function<std::string(std::vector<std::string>)> next_protocol_fn;
/**
* Server initialization
*
* @param callbacks contains a set of callback function references
* required by the TLS server.
*
* @param session_manager manages session state
*
* @param creds manages application/user credentials
*
* @param policy specifies other connection policy information
*
* @param rng a random number generator
*
* @param is_datagram set to true if this server should expect DTLS
* connections. Otherwise TLS connections are expected.
*
* @param reserved_io_buffer_size This many bytes of memory will
* be preallocated for the read and write buffers. Smaller
* values just mean reallocations and copies are more likely.
*/
explicit Server_Impl_12(const std::shared_ptr<Callbacks>& callbacks,
const std::shared_ptr<Session_Manager>& session_manager,
const std::shared_ptr<Credentials_Manager>& creds,
const std::shared_ptr<const Policy>& policy,
const std::shared_ptr<RandomNumberGenerator>& rng,
bool is_datagram = false,
size_t reserved_io_buffer_size = TLS::Channel::IO_BUF_DEFAULT_SIZE);
explicit Server_Impl_12(const Channel_Impl::Downgrade_Information& downgrade_info);
private:
/**
* Return the protocol notification set by the client (using the
* ALPN extension) for this connection, if any. This value is not
* tied to the session and a later renegotiation of the same
* session can choose a new protocol.
*/
std::string application_protocol() const override { return m_next_protocol; }
std::vector<X509_Certificate> get_peer_cert_chain(const Handshake_State& state) const override;
void initiate_handshake(Handshake_State& state, bool force_full_renegotiation) override;
void process_handshake_msg(const Handshake_State* active_state,
Handshake_State& pending_state,
Handshake_Type type,
const std::vector<uint8_t>& contents,
bool epoch0_restart) override;
void process_client_hello_msg(const Handshake_State* active_state,
Server_Handshake_State& pending_state,
const std::vector<uint8_t>& contents,
bool epoch0_restart);
void process_certificate_msg(Server_Handshake_State& pending_state, const std::vector<uint8_t>& contents);
void process_client_key_exchange_msg(Server_Handshake_State& pending_state, const std::vector<uint8_t>& contents);
void process_change_cipher_spec_msg(Server_Handshake_State& pending_state);
void process_certificate_verify_msg(Server_Handshake_State& pending_state,
Handshake_Type type,
const std::vector<uint8_t>& contents);
void process_finished_msg(Server_Handshake_State& pending_state,
Handshake_Type type,
const std::vector<uint8_t>& contents);
void session_resume(Server_Handshake_State& pending_state, const Session_with_Handle& session_info);
void session_create(Server_Handshake_State& pending_state);
std::unique_ptr<Handshake_State> new_handshake_state(std::unique_ptr<Handshake_IO> io) override;
std::shared_ptr<Credentials_Manager> m_creds;
std::string m_next_protocol;
};
} // namespace Botan::TLS
#endif