MySQL 8.0.39
Source Code Documentation
ServerFirstAuthenticator Class Reference

authenticates a server connection. More...

#include <classic_greeting_forwarder.h>

Inheritance diagram for ServerFirstAuthenticator:
[legend]

Public Types

enum class  Stage {
  ClientGreeting , ClientGreetingStartTls , ClientGreetingFull , TlsForwardInit ,
  TlsForward , TlsConnectInit , TlsConnect , ClientGreetingAfterTls ,
  InitialResponse , FinalResponse , AuthOk , AuthError ,
  Error , Ok
}
 stages of the handshake flow. More...
 
- Public Types inherited from BasicProcessor
enum class  Result {
  Again , RecvFromClient , SendToClient , RecvFromServer ,
  RecvFromBoth , SendToServer , SendableToServer , Suspend ,
  Done , Void
}
 

Public Member Functions

 ServerFirstAuthenticator (MysqlRoutingClassicConnectionBase *conn, std::function< void(const classic_protocol::message::server::Error &)> on_error)
 
stdx::expected< Result, std::error_code > process () override
 
void stage (Stage stage)
 
Stage stage () const
 
- Public Member Functions inherited from Processor
 BasicProcessor (MysqlRoutingClassicConnectionBase *conn)
 
- Public Member Functions inherited from BasicProcessor
 BasicProcessor (MysqlRoutingClassicConnectionBase *conn)
 
virtual ~BasicProcessor ()=default
 
const MysqlRoutingClassicConnectionBaseconnection () const
 
MysqlRoutingClassicConnectionBaseconnection ()
 

Private Member Functions

stdx::expected< Result, std::error_code > client_greeting ()
 
stdx::expected< Result, std::error_code > client_greeting_start_tls ()
 
stdx::expected< Result, std::error_code > client_greeting_full ()
 
stdx::expected< Result, std::error_code > tls_forward_init ()
 
stdx::expected< Result, std::error_code > tls_forward ()
 
stdx::expected< Result, std::error_code > tls_connect_init ()
 
stdx::expected< Result, std::error_code > tls_connect ()
 
stdx::expected< Result, std::error_code > client_greeting_after_tls ()
 
stdx::expected< Result, std::error_code > initial_response ()
 
stdx::expected< Result, std::error_code > final_response ()
 
stdx::expected< Result, std::error_code > auth_error ()
 router<-server: auth error. More...
 
stdx::expected< Result, std::error_code > auth_ok ()
 server-side: auth is ok. More...
 
void client_greeting_server_adjust_caps (ClassicProtocolState *src_protocol, ClassicProtocolState *dst_protocol)
 

Private Attributes

size_t client_last_recv_buf_size_ {}
 
size_t client_last_send_buf_size_ {}
 
size_t server_last_recv_buf_size_ {}
 
size_t server_last_send_buf_size_ {}
 
Stage stage_ {Stage::ClientGreeting}
 
std::function< void(const classic_protocol::message::server::Error &err)> on_error_
 

Additional Inherited Members

- Protected Member Functions inherited from ForwardingProcessor
stdx::expected< Result, std::error_code > forward_server_to_client (bool noflush=false)
 forward the current packet from the server-side to the client-side. More...
 
stdx::expected< Result, std::error_code > forward_client_to_server (bool noflush=false)
 forward the current packet from the client-side to the server-side. More...
 
stdx::expected< bool, std::error_code > pool_server_connection ()
 move the server connection to the pool. More...
 
stdx::expected< Processor::Result, std::error_code > socket_reconnect_start ()
 reconnect a socket. More...
 
stdx::expected< Processor::Result, std::error_code > mysql_reconnect_start ()
 reconnect a mysql classic connection. More...
 
stdx::expected< Result, std::error_code > recv_server_failed_and_check_client_socket (std::error_code ec)
 handle error-code of a failed receive() from the server-socket and check the status of the client socket. More...
 
stdx::expected< Processor::Result, std::error_code > reconnect_send_error_msg (Channel *src_channel, ClassicProtocolState *src_protocol)
 send a Error msg based on the reconnect_error(). More...
 
void reconnect_error (classic_protocol::message::server::Error err)
 set the reconnect error. More...
 
classic_protocol::message::server::Error reconnect_error () const
 get the reconnect error. More...
 
- Protected Member Functions inherited from Processor
stdx::expected< Result, std::error_code > send_server_failed (std::error_code ec)
 
stdx::expected< Result, std::error_code > recv_server_failed (std::error_code ec)
 
stdx::expected< Result, std::error_code > send_client_failed (std::error_code ec)
 
stdx::expected< Result, std::error_code > recv_client_failed (std::error_code ec)
 
stdx::expected< Result, std::error_code > server_socket_failed (std::error_code ec)
 
stdx::expected< Result, std::error_code > client_socket_failed (std::error_code ec)
 
stdx::expected< void, std::error_code > discard_current_msg (Channel *src_channel, ClassicProtocolState *src_protocol)
 discard to current message. More...
 
void trace (Tracer::Event e)
 
Tracertracer ()
 
- Static Protected Member Functions inherited from Processor
static void log_fatal_error_code (const char *msg, std::error_code ec)
 log a message with error-code as error. More...
 

Detailed Description

authenticates a server connection.

Assumes the server

  1. sent a server::greeting already
  2. expects to receive a client::greeting

Member Enumeration Documentation

◆ Stage

stages of the handshake flow.

Enumerator
ClientGreeting 
ClientGreetingStartTls 
ClientGreetingFull 
TlsForwardInit 
TlsForward 
TlsConnectInit 
TlsConnect 
ClientGreetingAfterTls 
InitialResponse 
FinalResponse 
AuthOk 
AuthError 
Error 
Ok 

Constructor & Destructor Documentation

◆ ServerFirstAuthenticator()

ServerFirstAuthenticator::ServerFirstAuthenticator ( MysqlRoutingClassicConnectionBase conn,
std::function< void(const classic_protocol::message::server::Error &)>  on_error 
)
inline

Member Function Documentation

◆ auth_error()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::auth_error ( )
private

router<-server: auth error.

◆ auth_ok()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::auth_ok ( )
private

server-side: auth is ok.

◆ client_greeting()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::client_greeting ( )
private

◆ client_greeting_after_tls()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::client_greeting_after_tls ( )
private

◆ client_greeting_full()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::client_greeting_full ( )
private

◆ client_greeting_server_adjust_caps()

void ServerFirstAuthenticator::client_greeting_server_adjust_caps ( ClassicProtocolState src_protocol,
ClassicProtocolState dst_protocol 
)
private

◆ client_greeting_start_tls()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::client_greeting_start_tls ( )
private

◆ final_response()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::final_response ( )
private

◆ initial_response()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::initial_response ( )
private

◆ process()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::process ( )
overridevirtual

Implements BasicProcessor.

◆ stage() [1/2]

Stage ServerFirstAuthenticator::stage ( ) const
inline

◆ stage() [2/2]

void ServerFirstAuthenticator::stage ( Stage  stage)
inline

◆ tls_connect()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::tls_connect ( )
private

◆ tls_connect_init()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::tls_connect_init ( )
private

◆ tls_forward()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::tls_forward ( )
private

◆ tls_forward_init()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::tls_forward_init ( )
private

Member Data Documentation

◆ client_last_recv_buf_size_

size_t ServerFirstAuthenticator::client_last_recv_buf_size_ {}
private

◆ client_last_send_buf_size_

size_t ServerFirstAuthenticator::client_last_send_buf_size_ {}
private

◆ on_error_

std::function<void(const classic_protocol::message::server::Error &err)> ServerFirstAuthenticator::on_error_
private

◆ server_last_recv_buf_size_

size_t ServerFirstAuthenticator::server_last_recv_buf_size_ {}
private

◆ server_last_send_buf_size_

size_t ServerFirstAuthenticator::server_last_send_buf_size_ {}
private

◆ stage_

Stage ServerFirstAuthenticator::stage_ {Stage::ClientGreeting}
private

The documentation for this class was generated from the following files: