ssl: Refactor connetion handling

1 files changed, 328 insertions, 1113 deletions

diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index 37d4928531..9621182948 100644
--- a/lib/ssl/src/tls_connection.erl
+++ b/lib/ssl/src/tls_connection.erl
@@ -40,15 +40,26 @@
 -include_lib("public_key/include/public_key.hrl"). 
 
 %% Internal application API
--export([send/2, recv/3, connect/7, ssl_accept/6, handshake/2,
-	 socket_control/3, close/1, shutdown/2,
-	 new_user/2, get_opts/2, set_opts/2, info/1, session_info/1, 
-	 peer_certificate/1, renegotiation/1, negotiated_next_protocol/1, prf/5,
-	 send_handshake/2, send_alert/2, send_change_cipher/2, next_record/1, next_state/4,
-	 handle_unexpected_message/3, ack_connection/1, handle_own_alert/4, next_state_connection/2,
-	 register_session/4
+
+%% Setup
+-export([start_fsm/8]).
+
+%% State transition handling	 
+-export([next_record/1, next_state/4, next_state_connection/2]).
+
+%% Handshake handling
+-export([renegotiate/1, send_handshake/2, send_change_cipher/2]).
+
+%% Alert and close handling
+-export([send_alert/2, handle_own_alert/4, handle_close_alert/3,
+	 handle_normal_shutdown/3, handle_unexpected_message/3,
+	 workaround_transport_delivery_problems/2, alert_user/5, alert_user/8
 	]).
 
+%% Data handling
+-export([write_application_data/3, read_application_data/2,
+	 passive_receive/2,  next_record_if_active/1]).
+
 %% Called by tls_connection_sup
 -export([start_link/7]). 
 
@@ -60,178 +71,34 @@
 %%====================================================================
 %% Internal application API
 %%====================================================================	     
-
-%%--------------------------------------------------------------------
--spec send(pid(), iodata()) -> ok | {error, reason()}.
-%%
-%% Description: Sends data over the ssl connection
-%%--------------------------------------------------------------------
-send(Pid, Data) -> 
-    sync_send_all_state_event(Pid, {application_data, 
-				    %% iolist_to_binary should really
-				    %% be called iodata_to_binary()
-				    erlang:iolist_to_binary(Data)}).
-
-%%--------------------------------------------------------------------
--spec recv(pid(), integer(), timeout()) ->  
-    {ok, binary() | list()} | {error, reason()}.
-%%
-%% Description:  Receives data when active = false
-%%--------------------------------------------------------------------
-recv(Pid, Length, Timeout) -> 
-    sync_send_all_state_event(Pid, {recv, Length, Timeout}).
-%%--------------------------------------------------------------------
--spec connect(host(), inet:port_number(), port(), {#ssl_options{}, #socket_options{}},
-	      pid(), tuple(), timeout()) ->
-		     {ok, #sslsocket{}} | {error, reason()}.
-%%
-%% Description: Connect to an ssl server.
-%%--------------------------------------------------------------------
-connect(Host, Port, Socket, Options, User, CbInfo, Timeout) ->
-    try start_fsm(client, Host, Port, Socket, Options, User, CbInfo,
-		  Timeout)
-    catch
-	exit:{noproc, _} ->
-	    {error, ssl_not_started}
-    end.
-%%--------------------------------------------------------------------
--spec ssl_accept(inet:port_number(), port(), {#ssl_options{}, #socket_options{}},
-				      pid(), tuple(), timeout()) ->
-    {ok, #sslsocket{}} | {error, reason()}.
-%%
-%% Description: Performs accept on an ssl listen socket. e.i. performs
-%%              ssl handshake. 
-%%--------------------------------------------------------------------
-ssl_accept(Port, Socket, Opts, User, CbInfo, Timeout) ->
-    try start_fsm(server, "localhost", Port, Socket, Opts, User, 
-		  CbInfo, Timeout)
+start_fsm(Role, Host, Port, Socket, {#ssl_options{erl_dist = false},_} = Opts,
+	  User, {CbModule, _,_, _} = CbInfo, 
+	  Timeout) -> 
+    try 
+	{ok, Pid} = tls_connection_sup:start_child([Role, Host, Port, Socket, 
+						    Opts, User, CbInfo]), 
+	{ok, SslSocket} = ssl_connection:socket_control(?MODULE, Socket, Pid, CbModule),
+	ok = ssl_connection:handshake(SslSocket, Timeout),
+	{ok, SslSocket} 
     catch
-	exit:{noproc, _} ->
-	    {error, ssl_not_started}
-    end.	
-
-%%--------------------------------------------------------------------
--spec handshake(#sslsocket{}, timeout()) ->  ok | {error, reason()}.
-%%
-%% Description: Starts ssl handshake. 
-%%--------------------------------------------------------------------
-handshake(#sslsocket{pid = Pid}, Timeout) ->  
-    case sync_send_all_state_event(Pid, {start, Timeout}) of
-	connected ->
-	    ok;
- 	Error ->
+	error:{badmatch, {error, _} = Error} ->
 	    Error
-    end.
-%--------------------------------------------------------------------
--spec socket_control(port(), pid(), atom()) -> 
-    {ok, #sslsocket{}} | {error, reason()}.  
-%%
-%% Description: Set the ssl process to own the accept socket
-%%--------------------------------------------------------------------	    
-socket_control(Socket, Pid, Transport) ->
-    case Transport:controlling_process(Socket, Pid) of
-	ok ->
-	    {ok, ssl_socket:socket(Pid, Transport, Socket, ?MODULE)};
-	{error, Reason}	->
-	    {error, Reason}
-    end.
+    end;
 
-%%--------------------------------------------------------------------
--spec close(pid()) -> ok | {error, reason()}.  
-%%
-%% Description:  Close an ssl connection
-%%--------------------------------------------------------------------
-close(ConnectionPid) ->
-    case sync_send_all_state_event(ConnectionPid, close) of
-	{error, closed} ->
-	    ok;
-	Other ->
-	    Other
+start_fsm(Role, Host, Port, Socket, {#ssl_options{erl_dist = true},_} = Opts,
+	  User, {CbModule, _,_, _} = CbInfo, 
+	  Timeout) -> 
+    try 
+	{ok, Pid} = tls_connection_sup:start_child_dist([Role, Host, Port, Socket, 
+							 Opts, User, CbInfo]), 
+	{ok, SslSocket} = ssl_connection:socket_control(?MODULE, Socket, Pid, CbModule),
+	ok = ssl_connection:handshake(SslSocket, Timeout),
+	{ok, SslSocket} 
+    catch
+	error:{badmatch, {error, _} = Error} ->
+	    Error
     end.
 
-%%--------------------------------------------------------------------
--spec shutdown(pid(), atom()) -> ok | {error, reason()}.  
-%%
-%% Description: Same as gen_tcp:shutdown/2
-%%--------------------------------------------------------------------
-shutdown(ConnectionPid, How) ->
-    sync_send_all_state_event(ConnectionPid, {shutdown, How}).
-
-%%--------------------------------------------------------------------
--spec new_user(pid(), pid()) ->  ok | {error, reason()}.
-%%
-%% Description:  Changes process that receives the messages when active = true
-%% or once. 
-%%--------------------------------------------------------------------
-new_user(ConnectionPid, User) ->
-    sync_send_all_state_event(ConnectionPid, {new_user, User}).
-
-%%--------------------------------------------------------------------
--spec negotiated_next_protocol(pid()) -> {ok, binary()} | {error, reason()}.
-%%
-%% Description:  Returns the negotiated protocol
-%%--------------------------------------------------------------------
-negotiated_next_protocol(ConnectionPid) ->
-    sync_send_all_state_event(ConnectionPid, negotiated_next_protocol).
-
-%%--------------------------------------------------------------------
--spec get_opts(pid(), list()) -> {ok, list()} | {error, reason()}.    
-%%
-%% Description: Same as inet:getopts/2
-%%--------------------------------------------------------------------
-get_opts(ConnectionPid, OptTags) ->
-    sync_send_all_state_event(ConnectionPid, {get_opts, OptTags}).
-%%--------------------------------------------------------------------
--spec set_opts(pid(), list()) -> ok | {error, reason()}. 
-%%
-%% Description:  Same as inet:setopts/2
-%%--------------------------------------------------------------------
-set_opts(ConnectionPid, Options) ->
-    sync_send_all_state_event(ConnectionPid, {set_opts, Options}).
-
-%%--------------------------------------------------------------------
--spec info(pid()) ->  {ok, {atom(), tuple()}} | {error, reason()}. 
-%%
-%% Description:  Returns ssl protocol and cipher used for the connection
-%%--------------------------------------------------------------------
-info(ConnectionPid) ->
-    sync_send_all_state_event(ConnectionPid, info). 
-
-%%--------------------------------------------------------------------
--spec session_info(pid()) -> {ok, list()} | {error, reason()}. 
-%%
-%% Description:  Returns info about the ssl session
-%%--------------------------------------------------------------------
-session_info(ConnectionPid) ->
-    sync_send_all_state_event(ConnectionPid, session_info). 
-
-%%--------------------------------------------------------------------
--spec peer_certificate(pid()) -> {ok, binary()| undefined} | {error, reason()}.
-%%
-%% Description: Returns the peer cert
-%%--------------------------------------------------------------------
-peer_certificate(ConnectionPid) ->
-    sync_send_all_state_event(ConnectionPid, peer_certificate). 
-
-%%--------------------------------------------------------------------
--spec renegotiation(pid()) -> ok | {error, reason()}.
-%%
-%% Description: Starts a renegotiation of the ssl session.
-%%--------------------------------------------------------------------
-renegotiation(ConnectionPid) ->
-    sync_send_all_state_event(ConnectionPid, renegotiate). 
-
-%%--------------------------------------------------------------------
--spec prf(pid(), binary() | 'master_secret', binary(),
-	  binary() | ssl:prf_random(), non_neg_integer()) ->
-		 {ok, binary()} | {error, reason()} | {'EXIT', term()}.
-%%
-%% Description: use a ssl sessions TLS PRF to generate key material
-%%--------------------------------------------------------------------
-prf(ConnectionPid, Secret, Label, Seed, WantedLength) ->
-    sync_send_all_state_event(ConnectionPid, {prf, Secret, Label, Seed, WantedLength}).
-
-
 send_handshake(Handshake, #state{negotiated_version = Version,
 				 socket = Socket,
 				 transport_cb = Transport,
@@ -249,7 +116,7 @@ send_alert(Alert, #state{negotiated_version = Version,
 			 transport_cb = Transport,
 			 connection_states = ConnectionStates0} = State0) ->
     {BinMsg, ConnectionStates} =
-	encode_alert(Alert, Version, ConnectionStates0),
+	ssl_alert:encode(Alert, Version, ConnectionStates0),
     Transport:send(Socket, BinMsg),
     State0#state{connection_states = ConnectionStates}.
 
@@ -281,7 +148,7 @@ init([Role, Host, Port, Socket, {SSLOpts0, _} = Options,  User, CbInfo]) ->
     State0 = initial_state(Role, Host, Port, Socket, Options, User, CbInfo),
     Handshake = ssl_handshake:init_handshake_history(),
     TimeStamp = calendar:datetime_to_gregorian_seconds({date(), time()}),
-    try ssl_init(SSLOpts0, Role) of
+    try ssl_config:init(SSLOpts0, Role) of
 	{ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, OwnCert, Key, DHParams} ->
 	    Session = State0#state.session,
 	    State = State0#state{
@@ -353,45 +220,18 @@ hello(Hello = #client_hello{client_version = ClientVersion,
         #alert{} = Alert ->
             handle_own_alert(Alert, ClientVersion, hello, State)
     end;
-hello(#server_hello{cipher_suite = CipherSuite,
-		    compression_method = Compression} = Hello,
-      #state{session = #session{session_id = OldId},
-	     connection_states = ConnectionStates0,
-	     role = client,
+hello(Hello,
+      #state{connection_states = ConnectionStates0,
 	     negotiated_version = ReqVersion,
+	     role = client,
 	     renegotiation = {Renegotiation, _},
-	     ssl_options = SslOptions} = State0) ->
+	     ssl_options = SslOptions} = State) ->
     case tls_handshake:hello(Hello, SslOptions, ConnectionStates0, Renegotiation) of
 	#alert{} = Alert ->
-	    handle_own_alert(Alert, ReqVersion, hello, State0);
+	    handle_own_alert(Alert, ReqVersion, hello, State);
 	{Version, NewId, ConnectionStates, NextProtocol} ->
-	    {KeyAlgorithm, _, _, _} =
-		ssl_cipher:suite_definition(CipherSuite),
-
-	    PremasterSecret = make_premaster_secret(ReqVersion, KeyAlgorithm),
-	    
-	    NewNextProtocol = case NextProtocol of
-				  undefined ->
-				      State0#state.next_protocol;
-				  _ ->
-				      NextProtocol
-			      end,
-
-	    State = State0#state{key_algorithm = KeyAlgorithm,
-				 negotiated_version = Version,
-				 connection_states = ConnectionStates,
-				 premaster_secret = PremasterSecret,
-				 expecting_next_protocol_negotiation = NextProtocol =/= undefined,
-				 next_protocol = NewNextProtocol},
-	    
-	    case ssl_session:is_new(OldId, NewId) of
-		true ->
-		    handle_new_session(NewId, CipherSuite, Compression,
-				       State#state{connection_states = ConnectionStates});
-		false ->
-		    handle_resumed_session(NewId,
-					   State#state{connection_states = ConnectionStates})
-	    end
+	    ssl_connection:handle_session(Hello, 
+					  Version, NewId, ConnectionStates, NextProtocol, State)
     end;
 
 hello(Msg, State) ->
@@ -451,195 +291,8 @@ handle_event(_Event, StateName, State) ->
 %% gen_fsm:sync_send_all_state_event/2,3, this function is called to handle
 %% the event.
 %%--------------------------------------------------------------------
-handle_sync_event({application_data, Data}, From, connection, State) ->
-    %% We should look into having a worker process to do this to 
-    %% parallize send and receive decoding and not block the receiver
-    %% if sending is overloading the socket.
-    try
-	write_application_data(Data, From, State)
-    catch throw:Error ->
-	    {reply, Error, connection, State, get_timeout(State)}
-    end;
-handle_sync_event({application_data, Data}, From, StateName, 
-		  #state{send_queue = Queue} = State) ->
-    %% In renegotiation priorities handshake, send data when handshake is finished
-    {next_state, StateName,
-     State#state{send_queue = queue:in({From, Data}, Queue)},
-     get_timeout(State)};
-
-handle_sync_event({start, Timeout}, StartFrom, hello, State) ->
-    Timer = start_or_recv_cancel_timer(Timeout, StartFrom),
-    hello(start, State#state{start_or_recv_from = StartFrom,
-			     timer = Timer});
-
-%% The two clauses below could happen if a server upgrades a socket in
-%% active mode. Note that in this case we are lucky that
-%% controlling_process has been evalueated before receiving handshake
-%% messages from client. The server should put the socket in passive
-%% mode before telling the client that it is willing to upgrade
-%% and before calling ssl:ssl_accept/2. These clauses are 
-%% here to make sure it is the users problem and not owers if
-%% they upgrade an active socket. 
-handle_sync_event({start,_}, _, connection, State) ->
-    {reply, connected, connection, State, get_timeout(State)};
-handle_sync_event({start,_}, _From, error, {Error, State = #state{}}) ->
-    {stop, {shutdown, Error}, {error, Error}, State};
-
-handle_sync_event({start, Timeout}, StartFrom, StateName, State) ->
-    Timer = start_or_recv_cancel_timer(Timeout, StartFrom),
-    {next_state, StateName, State#state{start_or_recv_from = StartFrom,
-					timer = Timer}, get_timeout(State)};
-
-handle_sync_event(close, _, StateName, State) ->
-    %% Run terminate before returning
-    %% so that the reuseaddr inet-option will work
-    %% as intended.
-    (catch terminate(user_close, StateName, State)),
-    {stop, normal, ok, State#state{terminated = true}};
-
-handle_sync_event({shutdown, How0}, _, StateName,
-		  #state{transport_cb = Transport,
-			 negotiated_version = Version,
-			 connection_states = ConnectionStates,
-			 socket = Socket} = State) ->
-    case How0 of
-	How when How == write; How == both ->	    
-	    Alert = ?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
-	    {BinMsg, _} =
-		encode_alert(Alert, Version, ConnectionStates),
-	    Transport:send(Socket, BinMsg);
-	_ ->
-	    ok
-    end,
-    
-    case Transport:shutdown(Socket, How0) of
-	ok ->
-	    {reply, ok, StateName, State, get_timeout(State)};
-	Error ->
-	    {stop, normal, Error, State}
-    end;
-    
-handle_sync_event({recv, N, Timeout}, RecvFrom, connection = StateName, State0) ->
-    Timer = start_or_recv_cancel_timer(Timeout, RecvFrom),
-    passive_receive(State0#state{bytes_to_read = N,
-				 start_or_recv_from = RecvFrom, timer = Timer}, StateName);
-
-%% Doing renegotiate wait with handling request until renegotiate is
-%% finished. Will be handled by next_state_is_connection/2.
-handle_sync_event({recv, N, Timeout}, RecvFrom, StateName, State) ->
-    Timer = start_or_recv_cancel_timer(Timeout, RecvFrom),
-    {next_state, StateName, State#state{bytes_to_read = N, start_or_recv_from = RecvFrom,
-					timer = Timer},
-     get_timeout(State)};
-
-handle_sync_event({new_user, User}, _From, StateName, 
-		  State =#state{user_application = {OldMon, _}}) ->
-    NewMon = erlang:monitor(process, User),
-    erlang:demonitor(OldMon, [flush]),
-    {reply, ok, StateName, State#state{user_application = {NewMon,User}},
-     get_timeout(State)};
-
-handle_sync_event({get_opts, OptTags}, _From, StateName,
-		  #state{socket = Socket,
-			 transport_cb = Transport,
-			 socket_options = SockOpts} = State) ->
-    OptsReply = get_socket_opts(Transport, Socket, OptTags, SockOpts, []),
-    {reply, OptsReply, StateName, State, get_timeout(State)};
-
-handle_sync_event(negotiated_next_protocol, _From, StateName, #state{next_protocol = undefined} = State) ->
-    {reply, {error, next_protocol_not_negotiated}, StateName, State, get_timeout(State)};
-handle_sync_event(negotiated_next_protocol, _From, StateName, #state{next_protocol = NextProtocol} = State) ->
-    {reply, {ok, NextProtocol}, StateName, State, get_timeout(State)};
-
-handle_sync_event({set_opts, Opts0}, _From, StateName0, 
-		  #state{socket_options = Opts1, 
-			 socket = Socket,
-			 transport_cb = Transport,
-			 user_data_buffer = Buffer} = State0) ->
-    {Reply, Opts} = set_socket_opts(Transport, Socket, Opts0, Opts1, []),
-    State1 = State0#state{socket_options = Opts},
-    if 
-	Opts#socket_options.active =:= false ->
-	    {reply, Reply, StateName0, State1, get_timeout(State1)};
-	Buffer =:= <<>>, Opts1#socket_options.active =:= false ->
-            %% Need data, set active once
-	    {Record, State2} = next_record_if_active(State1),
-	    %% Note: Renogotiation may cause StateName0 =/= StateName
-	    case next_state(StateName0, StateName0, Record, State2) of
-		{next_state, StateName, State, Timeout} ->
-		    {reply, Reply, StateName, State, Timeout};
-		{stop, Reason, State} ->
-		    {stop, Reason, State}
-	    end;
-	Buffer =:= <<>> ->
-            %% Active once already set 
-	    {reply, Reply, StateName0, State1, get_timeout(State1)};
-	true ->
-	    case read_application_data(<<>>, State1) of
-		Stop = {stop,_,_} ->
-		    Stop;
-		{Record, State2} ->
-		    %% Note: Renogotiation may cause StateName0 =/= StateName
-		    case next_state(StateName0, StateName0, Record, State2) of
-			{next_state, StateName, State, Timeout} ->
-			    {reply, Reply, StateName, State, Timeout};
-			{stop, Reason, State} ->
-			    {stop, Reason, State}
-		    end
-	    end
-    end;
-
-handle_sync_event(renegotiate, From, connection, State) ->
-    renegotiate(State#state{renegotiation = {true, From}});
-
-handle_sync_event(renegotiate, _, StateName, State) ->
-    {reply, {error, already_renegotiating}, StateName, State, get_timeout(State)};
-
-handle_sync_event({prf, Secret, Label, Seed, WantedLength}, _, StateName,
-		  #state{connection_states = ConnectionStates,
-			 negotiated_version = Version} = State) ->
-    ConnectionState =
-	ssl_record:current_connection_state(ConnectionStates, read),
-    SecParams = ConnectionState#connection_state.security_parameters,
-    #security_parameters{master_secret = MasterSecret,
-			 client_random = ClientRandom,
-			 server_random = ServerRandom} = SecParams,
-    Reply = try
-		SecretToUse = case Secret of
-				  _ when is_binary(Secret) -> Secret;
-				  master_secret -> MasterSecret
-			      end,
-		SeedToUse = lists:reverse(
-			      lists:foldl(fun(X, Acc) when is_binary(X) -> [X|Acc];
-					     (client_random, Acc) -> [ClientRandom|Acc];
-					     (server_random, Acc) -> [ServerRandom|Acc]
-					  end, [], Seed)),
-		ssl_handshake:prf(Version, SecretToUse, Label, SeedToUse, WantedLength)
-	    catch
-		exit:_ -> {error, badarg};
-		error:Reason -> {error, Reason}
-	    end,
-    {reply, Reply, StateName, State, get_timeout(State)};
-
-handle_sync_event(info, _, StateName, 
-		  #state{negotiated_version = Version,
-			 session = #session{cipher_suite = Suite}} = State) ->
-    
-    AtomVersion = tls_record:protocol_version(Version),
-    {reply, {ok, {AtomVersion, ssl:suite_definition(Suite)}},
-     StateName, State, get_timeout(State)};
-
-handle_sync_event(session_info, _, StateName, 
-		  #state{session = #session{session_id = Id,
-					    cipher_suite = Suite}} = State) ->
-    {reply, [{session_id, Id}, 
-	     {cipher_suite, ssl:suite_definition(Suite)}],
-     StateName, State, get_timeout(State)};
-
-handle_sync_event(peer_certificate, _, StateName, 
-		  #state{session = #session{peer_certificate = Cert}} 
-		  = State) ->
-    {reply, {ok, Cert}, StateName, State, get_timeout(State)}.
+handle_sync_event(Event, From, StateName, State) ->
+    ssl_connection:handle_sync_event(Event, From, StateName, State).
 
 %%--------------------------------------------------------------------
 %% Description: This function is called by a gen_fsm when it receives any
@@ -647,7 +300,7 @@ handle_sync_event(peer_certificate, _, StateName,
 %% (or a system message).
 %%--------------------------------------------------------------------
 
-%% raw data from TCP, unpack records
+%% raw data from socket, unpack records
 handle_info({Protocol, _, Data}, StateName,
             #state{data_tag = Protocol} = State0) ->
     case next_tls_record(Data, State0) of
@@ -678,45 +331,8 @@ handle_info({CloseTag, Socket}, StateName,
     handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State),
     {stop, {shutdown, transport_closed}, State};
 
-handle_info({ErrorTag, Socket, econnaborted}, StateName,  
-	    #state{socket = Socket, transport_cb = Transport,
-		   start_or_recv_from = StartFrom, role = Role,
-		   error_tag = ErrorTag} = State)  when StateName =/= connection ->
-    alert_user(Transport, Socket, StartFrom, ?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), Role),
-    {stop, normal, State};
-
-handle_info({ErrorTag, Socket, Reason}, StateName, #state{socket = Socket,
-							  error_tag = ErrorTag} = State)  ->
-    Report = io_lib:format("SSL: Socket error: ~p ~n", [Reason]),
-    error_logger:info_report(Report),
-    handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State),
-    {stop, normal, State};
-
-handle_info({'DOWN', MonitorRef, _, _, _}, _, 
-	    State = #state{user_application={MonitorRef,_Pid}}) ->
-    {stop, normal, State};   
-
-handle_info(allow_renegotiate, StateName, State) ->
-    {next_state, StateName, State#state{allow_renegotiate = true}, get_timeout(State)};
-
-handle_info({cancel_start_or_recv, StartFrom}, StateName,
-	    #state{renegotiation = {false, first}} = State) when StateName =/= connection ->
-    gen_fsm:reply(StartFrom, {error, timeout}),
-    {stop, {shutdown, user_timeout}, State#state{timer = undefined}};
-
-handle_info({cancel_start_or_recv, RecvFrom}, StateName, #state{start_or_recv_from = RecvFrom} = State) ->
-    gen_fsm:reply(RecvFrom, {error, timeout}),
-    {next_state, StateName, State#state{start_or_recv_from = undefined,
-					bytes_to_read = undefined,
-					timer = undefined}, get_timeout(State)};
-
-handle_info({cancel_start_or_recv, _RecvFrom}, StateName, State) ->
-    {next_state, StateName, State#state{timer = undefined}, get_timeout(State)};
-
 handle_info(Msg, StateName, State) ->
-    Report = io_lib:format("SSL: Got unexpected info: ~p ~n", [Msg]),
-    error_logger:info_report(Report),
-    {next_state, StateName, State, get_timeout(State)}.
+    ssl_connection:handle_info(Msg, StateName, State).
 
 %%--------------------------------------------------------------------
 %% Description:This function is called by a gen_fsm when it is about
@@ -724,44 +340,9 @@ handle_info(Msg, StateName, State) ->
 %% necessary cleaning up. When it returns, the gen_fsm terminates with
 %% Reason. The return value is ignored.
 %%--------------------------------------------------------------------
-terminate(_, _, #state{terminated = true}) ->
-    %% Happens when user closes the connection using ssl:close/1
-    %% we want to guarantee that Transport:close has been called
-    %% when ssl:close/1 returns.
-    ok;
+terminate(Reason, StateName, State) ->
+    ssl_connection:terminate(Reason, StateName, State).
 
-terminate({shutdown, transport_closed}, StateName, #state{send_queue = SendQueue,
-							  renegotiation = Renegotiate} = State) ->
-    handle_unrecv_data(StateName, State),
-    handle_trusted_certs_db(State),
-    notify_senders(SendQueue),
-    notify_renegotiater(Renegotiate);
-
-terminate({shutdown, own_alert}, _StateName, #state{send_queue = SendQueue,
-				      renegotiation = Renegotiate} = State) ->
-    handle_trusted_certs_db(State),
-    notify_senders(SendQueue),
-    notify_renegotiater(Renegotiate);
-
-terminate(Reason, connection, #state{negotiated_version = Version,
-				      connection_states = ConnectionStates,
-				      transport_cb = Transport,
-				      socket = Socket, send_queue = SendQueue,
-				      renegotiation = Renegotiate} = State) ->
-    handle_trusted_certs_db(State),
-    notify_senders(SendQueue),
-    notify_renegotiater(Renegotiate),
-    BinAlert = terminate_alert(Reason, Version, ConnectionStates),
-    Transport:send(Socket, BinAlert),
-    workaround_transport_delivery_problems(Socket, Transport);
-
-terminate(_Reason, _StateName, #state{transport_cb = Transport,
-				      socket = Socket, send_queue = SendQueue,
-				      renegotiation = Renegotiate} = State) ->
-    handle_trusted_certs_db(State),
-    notify_senders(SendQueue),
-    notify_renegotiater(Renegotiate),
-    Transport:close(Socket).
 
 %%--------------------------------------------------------------------
 %% code_change(OldVsn, StateName, State, Extra) -> {ok, StateName, NewState}
@@ -773,170 +354,6 @@ code_change(_OldVsn, StateName, State, _Extra) ->
 %%--------------------------------------------------------------------
 %%% Internal functions
 %%--------------------------------------------------------------------
-start_fsm(Role, Host, Port, Socket, {#ssl_options{erl_dist = false},_} = Opts,
-	  User, {CbModule, _,_, _} = CbInfo, 
-	  Timeout) -> 
-    try 
-	{ok, Pid} = tls_connection_sup:start_child([Role, Host, Port, Socket, 
-						    Opts, User, CbInfo]), 
-	{ok, SslSocket} = socket_control(Socket, Pid, CbModule),
-	ok = handshake(SslSocket, Timeout),
-	{ok, SslSocket} 
-    catch
-	error:{badmatch, {error, _} = Error} ->
-	    Error
-    end;
-
-start_fsm(Role, Host, Port, Socket, {#ssl_options{erl_dist = true},_} = Opts,
-	  User, {CbModule, _,_, _} = CbInfo, 
-	  Timeout) -> 
-    try 
-	{ok, Pid} = tls_connection_sup:start_child_dist([Role, Host, Port, Socket, 
-							 Opts, User, CbInfo]), 
-	{ok, SslSocket} = socket_control(Socket, Pid, CbModule),
-	ok = handshake(SslSocket, Timeout),
-	{ok, SslSocket} 
-    catch
-	error:{badmatch, {error, _} = Error} ->
-	    Error
-    end.
-
-ssl_init(SslOpts, Role) ->
-    
-    init_manager_name(SslOpts#ssl_options.erl_dist),
-
-    {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, OwnCert} = init_certificates(SslOpts, Role),
-    PrivateKey =
-	init_private_key(PemCacheHandle, SslOpts#ssl_options.key, SslOpts#ssl_options.keyfile,
-			 SslOpts#ssl_options.password, Role),
-    DHParams = init_diffie_hellman(PemCacheHandle, SslOpts#ssl_options.dh, SslOpts#ssl_options.dhfile, Role),
-    {ok, CertDbRef, CertDbHandle, FileRefHandle, CacheHandle, OwnCert, PrivateKey, DHParams}.
-
-init_manager_name(false) ->
-    put(ssl_manager, ssl_manager:manager_name(normal));
-init_manager_name(true) ->
-    put(ssl_manager, ssl_manager:manager_name(dist)).
-
-init_certificates(#ssl_options{cacerts = CaCerts,
-			       cacertfile = CACertFile,
-			       certfile = CertFile,
-			       cert = Cert}, Role) ->
-    {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle} =
-	try 
-	    Certs = case CaCerts of
-			undefined ->
-			    CACertFile;
-			_ ->
-			    {der, CaCerts}
-		    end,
-	    {ok, _, _, _, _, _} = ssl_manager:connection_init(Certs, Role)
-	catch
-	    _:Reason ->
-		file_error(CACertFile, {cacertfile, Reason})
-	end,
-    init_certificates(Cert, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CertFile, Role).
-
-init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, <<>>, _) ->
-    {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, undefined};
-
-init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CertFile, client) ->
-    try 
-	%% Ignoring potential proxy-certificates see: 
-	%% http://dev.globus.org/wiki/Security/ProxyFileFormat
-	[OwnCert|_] = ssl_certificate:file_to_certificats(CertFile, PemCacheHandle),
-	{ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, OwnCert}
-    catch _Error:_Reason  ->
-	    {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, undefined}
-    end;
-
-init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, CertFile, server) ->
-    try
-	[OwnCert|_] = ssl_certificate:file_to_certificats(CertFile, PemCacheHandle),
-	{ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, OwnCert}
-    catch
-	_:Reason ->
-	    file_error(CertFile, {certfile, Reason})	    
-    end;
-init_certificates(Cert, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, _, _) ->
-    {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, Cert}.
-
-init_private_key(_, undefined, <<>>, _Password, _Client) ->
-    undefined;
-init_private_key(DbHandle, undefined, KeyFile, Password, _) ->
-    try
-	{ok, List} = ssl_manager:cache_pem_file(KeyFile, DbHandle),
-	[PemEntry] = [PemEntry || PemEntry = {PKey, _ , _} <- List,
-				  PKey =:= 'RSAPrivateKey' orelse
-				      PKey =:= 'DSAPrivateKey' orelse
-				      PKey =:= 'ECPrivateKey' orelse
-				      PKey =:= 'PrivateKeyInfo'
-		     ],
-	private_key(public_key:pem_entry_decode(PemEntry, Password))
-    catch 
-	_:Reason ->
-	    file_error(KeyFile, {keyfile, Reason}) 
-    end;
-
-init_private_key(_,{Asn1Type, PrivateKey},_,_,_) ->
-    private_key(init_private_key(Asn1Type, PrivateKey)).
-
-init_private_key(Asn1Type, PrivateKey) ->
-    public_key:der_decode(Asn1Type, PrivateKey).
-
-private_key(#'PrivateKeyInfo'{privateKeyAlgorithm =
-				 #'PrivateKeyInfo_privateKeyAlgorithm'{algorithm = ?'rsaEncryption'},
-			     privateKey = Key}) ->
-    public_key:der_decode('RSAPrivateKey', iolist_to_binary(Key));
-
-private_key(#'PrivateKeyInfo'{privateKeyAlgorithm =
-				 #'PrivateKeyInfo_privateKeyAlgorithm'{algorithm = ?'id-dsa'},
-			     privateKey = Key}) ->
-    public_key:der_decode('DSAPrivateKey', iolist_to_binary(Key));
-
-private_key(Key) ->
-    Key.
-
--spec(file_error(_,_) -> no_return()).
-file_error(File, Throw) ->
-    case Throw of
-	{Opt,{badmatch, {error, {badmatch, Error}}}} ->
-	    throw({options, {Opt, binary_to_list(File), Error}});
-	_ ->
-	    throw(Throw)
-    end.
-
-init_diffie_hellman(_,Params, _,_) when is_binary(Params)->
-    public_key:der_decode('DHParameter', Params);
-init_diffie_hellman(_,_,_, client) ->
-    undefined;
-init_diffie_hellman(_,_,undefined, _) ->
-    ?DEFAULT_DIFFIE_HELLMAN_PARAMS;
-init_diffie_hellman(DbHandle,_, DHParamFile, server) ->
-    try
-	{ok, List} = ssl_manager:cache_pem_file(DHParamFile,DbHandle),
-	case [Entry || Entry = {'DHParameter', _ , _} <- List] of
-	    [Entry] ->
-		public_key:pem_entry_decode(Entry);
-	    [] ->
-		?DEFAULT_DIFFIE_HELLMAN_PARAMS
-	end
-    catch
-	_:Reason ->
-	    file_error(DHParamFile, {dhfile, Reason}) 
-    end.
-
-sync_send_all_state_event(FsmPid, Event) ->
-    try gen_fsm:sync_send_all_state_event(FsmPid, Event, infinity)
-    catch
- 	exit:{noproc, _} ->
- 	    {error, closed};
-	exit:{normal, _} ->
-	    {error, closed};
-	exit:{{shutdown, _},_} ->
-	    {error, closed}
-    end.
-
-
 encode_handshake(Handshake, Version, ConnectionStates0, Hist0) ->
     Frag = tls_handshake:encode_handshake(Handshake, Version),
     Hist = ssl_handshake:update_handshake_history(Hist0, Frag),
@@ -944,27 +361,11 @@ encode_handshake(Handshake, Version, ConnectionStates0, Hist0) ->
         ssl_record:encode_handshake(Frag, Version, ConnectionStates0),
     {Encoded, ConnectionStates, Hist}.
 
-encode_alert(#alert{} = Alert, Version, ConnectionStates) ->
-    ssl_record:encode_alert_record(Alert, Version, ConnectionStates).
 
 encode_change_cipher(#change_cipher_spec{}, Version, ConnectionStates) ->
     ssl_record:encode_change_cipher_spec(Version, ConnectionStates).
 
 
-encode_packet(Data, #socket_options{packet=Packet}) ->
-    case Packet of
-	1 -> encode_size_packet(Data, 8,  (1 bsl 8) - 1);
-	2 -> encode_size_packet(Data, 16, (1 bsl 16) - 1);
-	4 -> encode_size_packet(Data, 32, (1 bsl 32) - 1);
-	_ -> Data
-    end.
-
-encode_size_packet(Bin, Size, Max) ->
-    Len = erlang:byte_size(Bin),
-    case Len > Max of
-	true  -> throw({error, {badarg, {packet_to_large, Len, Max}}});
-	false -> <<Len:Size, Bin/binary>>
-    end.
 
 decode_alerts(Bin) ->
     decode_alerts(Bin, []).
@@ -975,6 +376,185 @@ decode_alerts(<<?BYTE(Level), ?BYTE(Description), Rest/binary>>, Acc) ->
 decode_alerts(<<>>, Acc) ->
     lists:reverse(Acc, []).
 
+initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions}, User,
+	      {CbModule, DataTag, CloseTag, ErrorTag}) ->
+    ConnectionStates = ssl_record:init_connection_states(Role),
+    
+    SessionCacheCb = case application:get_env(ssl, session_cb) of
+			 {ok, Cb} when is_atom(Cb) ->
+			    Cb;
+			 _  ->
+			     ssl_session_cache
+		     end,
+    
+    Monitor = erlang:monitor(process, User),
+
+    #state{socket_options = SocketOptions,
+	   %% We do not want to save the password in the state so that
+	   %% could be written in the clear into error logs.
+	   ssl_options = SSLOptions#ssl_options{password = undefined},	   
+	   session = #session{is_resumable = new},
+	   transport_cb = CbModule,
+	   data_tag = DataTag,
+	   close_tag = CloseTag,
+	   error_tag = ErrorTag,
+	   role = Role,
+	   host = Host,
+	   port = Port,
+	   socket = Socket,
+	   connection_states = ConnectionStates,
+	   protocol_buffers = #protocol_buffers{},
+	   user_application = {Monitor, User},
+	   user_data_buffer = <<>>,
+	   session_cache_cb = SessionCacheCb,
+	   renegotiation = {false, first},
+	   start_or_recv_from = undefined,
+	   send_queue = queue:new(),
+	   protocol_cb = ?MODULE
+	  }.
+
+next_state(Current,_, #alert{} = Alert, #state{negotiated_version = Version} = State) ->
+    handle_own_alert(Alert, Version, Current, State);
+
+next_state(_,Next, no_record, State) ->
+    {next_state, Next, State, get_timeout(State)};
+
+next_state(_,Next, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, State) ->
+    Alerts = decode_alerts(EncAlerts),
+    handle_alerts(Alerts,  {next_state, Next, State, get_timeout(State)});
+
+next_state(Current, Next, #ssl_tls{type = ?HANDSHAKE, fragment = Data},
+	   State0 = #state{protocol_buffers =
+			       #protocol_buffers{tls_handshake_buffer = Buf0} = Buffers,
+			   negotiated_version = Version}) ->
+    Handle = 
+   	fun({#hello_request{} = Packet, _}, {next_state, connection = SName, State}) ->
+   		%% This message should not be included in handshake
+   		%% message hashes. Starts new handshake (renegotiation)
+		Hs0 = ssl_handshake:init_handshake_history(),
+		?MODULE:SName(Packet, State#state{tls_handshake_history=Hs0,
+   						  renegotiation = {true, peer}});
+   	   ({#hello_request{} = Packet, _}, {next_state, SName, State}) ->
+   		%% This message should not be included in handshake
+   		%% message hashes. Already in negotiation so it will be ignored!
+   		?MODULE:SName(Packet, State);
+	   ({#client_hello{} = Packet, Raw}, {next_state, connection = SName, State}) ->
+		Version = Packet#client_hello.client_version,
+		Hs0 = ssl_handshake:init_handshake_history(),
+		Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw),
+		?MODULE:SName(Packet, State#state{tls_handshake_history=Hs1,
+   						  renegotiation = {true, peer}});
+	   ({Packet, Raw}, {next_state, SName, State = #state{tls_handshake_history=Hs0}}) ->
+		Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw),
+		?MODULE:SName(Packet, State#state{tls_handshake_history=Hs1});
+   	   (_, StopState) -> StopState
+   	end,
+    try
+	{Packets, Buf} = tls_handshake:get_tls_handshake(Version,Data,Buf0),
+	State = State0#state{protocol_buffers =
+				 Buffers#protocol_buffers{tls_packets = Packets,
+							  tls_handshake_buffer = Buf}},
+	handle_tls_handshake(Handle, Next, State)
+    catch throw:#alert{} = Alert ->
+	    handle_own_alert(Alert, Version, Current, State0)
+    end;
+
+next_state(_, StateName, #ssl_tls{type = ?APPLICATION_DATA, fragment = Data}, State0) ->
+    case read_application_data(Data, State0) of
+	Stop = {stop,_,_} ->
+   	    Stop;
+	{Record, State} ->
+   	    next_state(StateName, StateName, Record, State)
+    end;
+next_state(Current, Next, #ssl_tls{type = ?CHANGE_CIPHER_SPEC, fragment = <<1>>} = 
+ 	   _ChangeCipher, 
+ 	   #state{connection_states = ConnectionStates0} = State0) ->
+    ConnectionStates1 =
+	ssl_record:activate_pending_connection_state(ConnectionStates0, read),
+    {Record, State} = next_record(State0#state{connection_states = ConnectionStates1}),
+    next_state(Current, Next, Record, State);
+next_state(Current, Next, #ssl_tls{type = _Unknown}, State0) ->
+    %% Ignore unknown type 
+    {Record, State} = next_record(State0),
+    next_state(Current, Next, Record, State).
+
+next_tls_record(Data, #state{protocol_buffers = #protocol_buffers{tls_record_buffer = Buf0,
+						tls_cipher_texts = CT0} = Buffers} = State0) ->
+    case tls_record:get_tls_records(Data, Buf0) of
+	{Records, Buf1} ->
+	    CT1 = CT0 ++ Records,
+	    next_record(State0#state{protocol_buffers =
+					 Buffers#protocol_buffers{tls_record_buffer = Buf1,
+								  tls_cipher_texts = CT1}});
+	#alert{} = Alert ->
+	    Alert
+    end.
+
+next_record(#state{protocol_buffers = #protocol_buffers{tls_packets = [], tls_cipher_texts = []},
+		   socket = Socket,
+		   transport_cb = Transport} = State) ->
+    ssl_socket:setopts(Transport, Socket, [{active,once}]),
+    {no_record, State};
+next_record(#state{protocol_buffers =
+		       #protocol_buffers{tls_packets = [], tls_cipher_texts = [CT | Rest]}
+		   = Buffers,
+		   connection_states = ConnStates0} = State) ->
+    case tls_record:decode_cipher_text(CT, ConnStates0) of
+	{Plain, ConnStates} ->		      
+	    {Plain, State#state{protocol_buffers =
+				    Buffers#protocol_buffers{tls_cipher_texts = Rest},
+				connection_states = ConnStates}};
+	#alert{} = Alert ->
+	    {Alert, State}
+    end;
+next_record(State) ->
+    {no_record, State}.
+
+next_record_if_active(State = 
+		      #state{socket_options = 
+			     #socket_options{active = false}}) ->    
+    {no_record ,State};
+
+next_record_if_active(State) ->
+    next_record(State).
+
+next_state_connection(StateName, #state{send_queue = Queue0,
+					negotiated_version = Version,
+					socket = Socket,
+					transport_cb = Transport,
+					connection_states = ConnectionStates0
+				       } = State) ->     
+    %% Send queued up data that was queued while renegotiating
+    case queue:out(Queue0) of
+	{{value, {From, Data}}, Queue} ->
+	    {Msgs, ConnectionStates} = 
+		ssl_record:encode_data(Data, Version, ConnectionStates0),
+	    Result = Transport:send(Socket, Msgs),
+	    gen_fsm:reply(From, Result),
+	    next_state_connection(StateName,
+				  State#state{connection_states = ConnectionStates,
+						      send_queue = Queue});		
+	{empty, Queue0} ->
+	    next_state_is_connection(StateName, State)
+    end.
+
+%% In next_state_is_connection/1: clear tls_handshake,
+%% premaster_secret and public_key_info (only needed during handshake)
+%% to reduce memory foot print of a connection.
+next_state_is_connection(_, State = 
+		      #state{start_or_recv_from = RecvFrom,
+			     socket_options =
+			     #socket_options{active = false}}) when RecvFrom =/= undefined ->
+    passive_receive(State#state{premaster_secret = undefined,
+				public_key_info = undefined,
+				tls_handshake_history = ssl_handshake:init_handshake_history()}, connection);
+
+next_state_is_connection(StateName, State0) ->
+    {Record, State} = next_record_if_active(State0),
+    next_state(StateName, connection, Record, State#state{premaster_secret = undefined,
+							  public_key_info = undefined,
+							  tls_handshake_history = ssl_handshake:init_handshake_history()}).
+
 passive_receive(State0 = #state{user_data_buffer = Buffer}, StateName) -> 
     case Buffer of
 	<<>> ->
@@ -1029,38 +609,10 @@ read_application_data(Data, #state{user_application = {_Mon, Pid},
 	    {stop, normal, State0}
     end.
 
-write_application_data(Data0, From, #state{socket = Socket,
-					   negotiated_version = Version,
-					   transport_cb = Transport,
-					   connection_states = ConnectionStates0,
-					   send_queue = SendQueue,
-					   socket_options = SockOpts,
-					   ssl_options = #ssl_options{renegotiate_at = RenegotiateAt}} = State) ->
-    Data = encode_packet(Data0, SockOpts),
-    
-    case time_to_renegotiate(Data, ConnectionStates0, RenegotiateAt) of
-	true ->
-	    renegotiate(State#state{send_queue = queue:in_r({From, Data}, SendQueue),
-				    renegotiation = {true, internal}});
-	false ->
-	    {Msgs, ConnectionStates} = ssl_record:encode_data(Data, Version, ConnectionStates0),
-	    Result = Transport:send(Socket, Msgs),
-	    {reply, Result,
-	     connection, State#state{connection_states = ConnectionStates}, get_timeout(State)}
-    end.
-
-time_to_renegotiate(_Data, #connection_states{current_write = 
-						    #connection_state{sequence_number = Num}}, RenegotiateAt) ->
-    
-    %% We could do test:
-    %% is_time_to_renegotiate((erlang:byte_size(_Data) div ?MAX_PLAIN_TEXT_LENGTH) + 1, RenegotiateAt),
-    %% but we chose to have a some what lower renegotiateAt and a much cheaper test 
-    is_time_to_renegotiate(Num, RenegotiateAt).
-
-is_time_to_renegotiate(N, M) when N < M->
-    false;
-is_time_to_renegotiate(_,_) ->
-    true.
+get_timeout(#state{ssl_options=#ssl_options{hibernate_after = undefined}}) ->
+    infinity;
+get_timeout(#state{ssl_options=#ssl_options{hibernate_after = HibernateAfter}}) ->
+    HibernateAfter.
 
 %% Picks ClientData 
 get_data(_, _, <<>>) ->
@@ -1133,7 +685,8 @@ format_reply(_, _,#socket_options{active = false, mode = Mode, packet = Packet,
     {ok, do_format_reply(Mode, Packet, Header, Data)};
 format_reply(Transport, Socket, #socket_options{active = _, mode = Mode, packet = Packet,
 						header = Header}, Data) ->
-    {ssl, ssl_socket:socket(self(), Transport, Socket, ?MODULE), do_format_reply(Mode, Packet, Header, Data)}.
+    {ssl, ssl_socket:socket(self(), Transport, Socket, ?MODULE), 
+     do_format_reply(Mode, Packet, Header, Data)}.
 
 deliver_packet_error(Transport, Socket, SO= #socket_options{active = Active}, Data, Pid, From) ->
     send_or_reply(Active, Pid, From, format_packet_error(Transport, Socket, SO, Data)).
@@ -1141,7 +694,8 @@ deliver_packet_error(Transport, Socket, SO= #socket_options{active = Active}, Da
 format_packet_error(_, _,#socket_options{active = false, mode = Mode}, Data) ->
     {error, {invalid_packet, do_format_reply(Mode, raw, 0, Data)}};
 format_packet_error(Transport, Socket, #socket_options{active = _, mode = Mode}, Data) ->
-    {ssl_error, ssl_socket:socket(self(), Transport, Socket, ?MODULE), {invalid_packet, do_format_reply(Mode, raw, 0, Data)}}.
+    {ssl_error, ssl_socket:socket(self(), Transport, Socket, ?MODULE), 
+     {invalid_packet, do_format_reply(Mode, raw, 0, Data)}}.
 
 do_format_reply(binary, _, N, Data) when N > 0 ->  % Header mode
     header(N, Data);
@@ -1174,8 +728,6 @@ send_or_reply(false, no_pid, _, _) ->
 send_or_reply(_, Pid, _From, Data) ->
     send_user(Pid, Data).
 
-
-
 send_user(Pid, Msg) ->
     Pid ! Msg.
 
@@ -1199,312 +751,76 @@ handle_tls_handshake(Handle, StateName,
 	{stop, _,_} = Stop ->
 	    Stop
     end.
-
-next_state(Current,_, #alert{} = Alert, #state{negotiated_version = Version} = State) ->
-    handle_own_alert(Alert, Version, Current, State);
-
-next_state(_,Next, no_record, State) ->
-    {next_state, Next, State, get_timeout(State)};
-
-next_state(_,Next, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, State) ->
-    Alerts = decode_alerts(EncAlerts),
-    handle_alerts(Alerts,  {next_state, Next, State, get_timeout(State)});
-
-next_state(Current, Next, #ssl_tls{type = ?HANDSHAKE, fragment = Data},
-	   State0 = #state{protocol_buffers =
-			       #protocol_buffers{tls_handshake_buffer = Buf0} = Buffers,
-			   negotiated_version = Version}) ->
-    Handle = 
-   	fun({#hello_request{} = Packet, _}, {next_state, connection = SName, State}) ->
-   		%% This message should not be included in handshake
-   		%% message hashes. Starts new handshake (renegotiation)
-		Hs0 = ssl_handshake:init_handshake_history(),
-		?MODULE:SName(Packet, State#state{tls_handshake_history=Hs0,
-   						  renegotiation = {true, peer}});
-   	   ({#hello_request{} = Packet, _}, {next_state, SName, State}) ->
-   		%% This message should not be included in handshake
-   		%% message hashes. Already in negotiation so it will be ignored!
-   		?MODULE:SName(Packet, State);
-	   ({#client_hello{} = Packet, Raw}, {next_state, connection = SName, State}) ->
-		Version = Packet#client_hello.client_version,
-		Hs0 = ssl_handshake:init_handshake_history(),
-		Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw),
-		?MODULE:SName(Packet, State#state{tls_handshake_history=Hs1,
-   						  renegotiation = {true, peer}});
-	   ({Packet, Raw}, {next_state, SName, State = #state{tls_handshake_history=Hs0}}) ->
-		Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw),
-		?MODULE:SName(Packet, State#state{tls_handshake_history=Hs1});
-   	   (_, StopState) -> StopState
-   	end,
-    try
-	{Packets, Buf} = tls_handshake:get_tls_handshake(Version,Data,Buf0),
-	State = State0#state{protocol_buffers =
-				 Buffers#protocol_buffers{tls_packets = Packets,
-							  tls_handshake_buffer = Buf}},
-	handle_tls_handshake(Handle, Next, State)
-    catch throw:#alert{} = Alert ->
-	    handle_own_alert(Alert, Version, Current, State0)
-    end;
-
-next_state(_, StateName, #ssl_tls{type = ?APPLICATION_DATA, fragment = Data}, State0) ->
-    case read_application_data(Data, State0) of
-	Stop = {stop,_,_} ->
-   	    Stop;
-	{Record, State} ->
-   	    next_state(StateName, StateName, Record, State)
-    end;
-next_state(Current, Next, #ssl_tls{type = ?CHANGE_CIPHER_SPEC, fragment = <<1>>} = 
- 	   _ChangeCipher, 
- 	   #state{connection_states = ConnectionStates0} = State0) ->
-    ConnectionStates1 =
-	ssl_record:activate_pending_connection_state(ConnectionStates0, read),
-    {Record, State} = next_record(State0#state{connection_states = ConnectionStates1}),
-    next_state(Current, Next, Record, State);
-next_state(Current, Next, #ssl_tls{type = _Unknown}, State0) ->
-    %% Ignore unknown type 
-    {Record, State} = next_record(State0),
-    next_state(Current, Next, Record, State).
-
-next_tls_record(Data, #state{protocol_buffers = #protocol_buffers{tls_record_buffer = Buf0,
-						tls_cipher_texts = CT0} = Buffers} = State0) ->
-    case tls_record:get_tls_records(Data, Buf0) of
-	{Records, Buf1} ->
-	    CT1 = CT0 ++ Records,
-	    next_record(State0#state{protocol_buffers =
-					 Buffers#protocol_buffers{tls_record_buffer = Buf1,
-								  tls_cipher_texts = CT1}});
-	#alert{} = Alert ->
-	    Alert
-    end.
-
-next_record(#state{protocol_buffers = #protocol_buffers{tls_packets = [], tls_cipher_texts = []},
-		   socket = Socket,
-		   transport_cb = Transport} = State) ->
-    ssl_socket:setopts(Transport, Socket, [{active,once}]),
-    {no_record, State};
-next_record(#state{protocol_buffers =
-		       #protocol_buffers{tls_packets = [], tls_cipher_texts = [CT | Rest]}
-		   = Buffers,
-		   connection_states = ConnStates0} = State) ->
-    case tls_record:decode_cipher_text(CT, ConnStates0) of
-	{Plain, ConnStates} ->		      
-	    {Plain, State#state{protocol_buffers =
-				    Buffers#protocol_buffers{tls_cipher_texts = Rest},
-				connection_states = ConnStates}};
-	#alert{} = Alert ->
-	    {Alert, State}
-    end;
-next_record(State) ->
-    {no_record, State}.
-
-next_record_if_active(State = 
-		      #state{socket_options = 
-			     #socket_options{active = false}}) ->    
-    {no_record ,State};
-
-next_record_if_active(State) ->
-    next_record(State).
-
-next_state_connection(StateName, #state{send_queue = Queue0,
-					negotiated_version = Version,
-					socket = Socket,
-					transport_cb = Transport,
-					connection_states = ConnectionStates0
-				       } = State) ->     
-    %% Send queued up data that was queued while renegotiating
-    case queue:out(Queue0) of
-	{{value, {From, Data}}, Queue} ->
-	    {Msgs, ConnectionStates} = 
-		ssl_record:encode_data(Data, Version, ConnectionStates0),
+write_application_data(Data0, From, 
+		       #state{socket = Socket,
+			      negotiated_version = Version,
+			      transport_cb = Transport,
+			      connection_states = ConnectionStates0,
+			      send_queue = SendQueue,
+			      socket_options = SockOpts,
+			      ssl_options = #ssl_options{renegotiate_at = RenegotiateAt}} = State) ->
+    Data = encode_packet(Data0, SockOpts),
+    
+    case time_to_renegotiate(Data, ConnectionStates0, RenegotiateAt) of
+	true ->
+	    renegotiate(State#state{send_queue = queue:in_r({From, Data}, SendQueue),
+				    renegotiation = {true, internal}});
+	false ->
+	    {Msgs, ConnectionStates} = ssl_record:encode_data(Data, Version, ConnectionStates0),
 	    Result = Transport:send(Socket, Msgs),
-	    gen_fsm:reply(From, Result),
-	    next_state_connection(StateName,
-				  State#state{connection_states = ConnectionStates,
-						      send_queue = Queue});		
-	{empty, Queue0} ->
-	    next_state_is_connection(StateName, State)
+	    {reply, Result,
+	     connection, State#state{connection_states = ConnectionStates}, get_timeout(State)}
     end.
 
-%% In next_state_is_connection/1: clear tls_handshake,
-%% premaster_secret and public_key_info (only needed during handshake)
-%% to reduce memory foot print of a connection.
-next_state_is_connection(_, State = 
-		      #state{start_or_recv_from = RecvFrom,
-			     socket_options =
-			     #socket_options{active = false}}) when RecvFrom =/= undefined ->
-    passive_receive(State#state{premaster_secret = undefined,
-				public_key_info = undefined,
-				tls_handshake_history = ssl_handshake:init_handshake_history()}, connection);
-
-next_state_is_connection(StateName, State0) ->
-    {Record, State} = next_record_if_active(State0),
-    next_state(StateName, connection, Record, State#state{premaster_secret = undefined,
-							  public_key_info = undefined,
-							  tls_handshake_history = ssl_handshake:init_handshake_history()}).
-
-
-handle_new_session(NewId, CipherSuite, Compression, #state{session = Session0} = State0) ->
-    Session = Session0#session{session_id = NewId,
-			       cipher_suite = CipherSuite,
-			       compression_method = Compression},
-    {Record, State} = next_record(State0#state{session = Session}),
-    next_state(hello, certify, Record, State).
-
-handle_resumed_session(SessId, #state{connection_states = ConnectionStates0,
-				      negotiated_version = Version,
-				      host = Host, port = Port,
-				      session_cache = Cache,
-				      session_cache_cb = CacheCb} = State0) ->
-    Session = CacheCb:lookup(Cache, {{Host, Port}, SessId}),
-    case ssl_handshake:master_secret(tls_record, Version, Session,
-				     ConnectionStates0, client) of
-	{_, ConnectionStates} ->
-	    {Record, State} =
-		next_record(State0#state{
-			      connection_states = ConnectionStates,
-			      session = Session}),
-	    next_state(hello, abbreviated, Record, State);
-	#alert{} = Alert ->
-	    handle_own_alert(Alert, Version, hello, State0)
+encode_packet(Data, #socket_options{packet=Packet}) ->
+    case Packet of
+	1 -> encode_size_packet(Data, 8,  (1 bsl 8) - 1);
+	2 -> encode_size_packet(Data, 16, (1 bsl 16) - 1);
+	4 -> encode_size_packet(Data, 32, (1 bsl 32) - 1);
+	_ -> Data
     end.
 
+encode_size_packet(Bin, Size, Max) ->
+    Len = erlang:byte_size(Bin),
+    case Len > Max of
+	true  -> throw({error, {badarg, {packet_to_large, Len, Max}}});
+	false -> <<Len:Size, Bin/binary>>
+    end.
 
-register_session(client, Host, Port, #session{is_resumable = new} = Session0) ->
-    Session = Session0#session{is_resumable = true},
-    ssl_manager:register_session(Host, Port, Session),
-    Session;
-register_session(server, _, Port, #session{is_resumable = new} = Session0) ->
-    Session = Session0#session{is_resumable = true},
-    ssl_manager:register_session(Port, Session),
-    Session;
-register_session(_, _, _, Session) ->
-    Session. %% Already registered
-
-invalidate_session(client, Host, Port, Session) ->
-    ssl_manager:invalidate_session(Host, Port, Session);
-invalidate_session(server, _, Port, Session) ->
-    ssl_manager:invalidate_session(Port, Session).
-
-initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions}, User,
-	      {CbModule, DataTag, CloseTag, ErrorTag}) ->
-    ConnectionStates = ssl_record:init_connection_states(Role),
-    
-    SessionCacheCb = case application:get_env(ssl, session_cb) of
-			 {ok, Cb} when is_atom(Cb) ->
-			    Cb;
-			 _  ->
-			     ssl_session_cache
-		     end,
+time_to_renegotiate(_Data, 
+		    #connection_states{current_write = 
+					   #connection_state{sequence_number = Num}}, 
+		    RenegotiateAt) ->
     
-    Monitor = erlang:monitor(process, User),
-
-    #state{socket_options = SocketOptions,
-	   %% We do not want to save the password in the state so that
-	   %% could be written in the clear into error logs.
-	   ssl_options = SSLOptions#ssl_options{password = undefined},	   
-	   session = #session{is_resumable = new},
-	   transport_cb = CbModule,
-	   data_tag = DataTag,
-	   close_tag = CloseTag,
-	   error_tag = ErrorTag,
-	   role = Role,
-	   host = Host,
-	   port = Port,
-	   socket = Socket,
-	   connection_states = ConnectionStates,
-	   protocol_buffers = #protocol_buffers{},
-	   user_application = {Monitor, User},
-	   user_data_buffer = <<>>,
-	   session_cache_cb = SessionCacheCb,
-	   renegotiation = {false, first},
-	   start_or_recv_from = undefined,
-	   send_queue = queue:new()
-	  }.
-
-get_socket_opts(_,_,[], _, Acc) ->
-    {ok, Acc};
-get_socket_opts(Transport, Socket, [mode | Tags], SockOpts, Acc) ->
-    get_socket_opts(Transport, Socket, Tags, SockOpts, 
-		    [{mode, SockOpts#socket_options.mode} | Acc]);
-get_socket_opts(Transport, Socket, [packet | Tags], SockOpts, Acc) ->
-    case SockOpts#socket_options.packet of
-	{Type, headers} ->
-	    get_socket_opts(Transport, Socket, Tags, SockOpts, [{packet, Type} | Acc]);
-	Type ->
-	    get_socket_opts(Transport, Socket, Tags, SockOpts, [{packet, Type} | Acc])
-    end;
-get_socket_opts(Transport, Socket, [header | Tags], SockOpts, Acc) ->
-    get_socket_opts(Transport, Socket, Tags, SockOpts, 
-		    [{header, SockOpts#socket_options.header} | Acc]);
-get_socket_opts(Transport, Socket, [active | Tags], SockOpts, Acc) ->
-    get_socket_opts(Transport, Socket, Tags, SockOpts, 
-		    [{active, SockOpts#socket_options.active} | Acc]);
-get_socket_opts(Transport, Socket, [Tag | Tags], SockOpts, Acc) ->
-    try ssl_socket:getopts(Transport, Socket, [Tag]) of
-	{ok, [Opt]} ->
-	    get_socket_opts(Transport, Socket, Tags, SockOpts, [Opt | Acc]);
-	{error, Error} ->
-	    {error, {options, {socket_options, Tag, Error}}}
-    catch
-	%% So that inet behavior does not crash our process
-	_:Error -> {error, {options, {socket_options, Tag, Error}}}
-    end;
-get_socket_opts(_, _,Opts, _,_) ->
-    {error, {options, {socket_options, Opts, function_clause}}}.
-
-set_socket_opts(_,_, [], SockOpts, []) ->
-    {ok, SockOpts};
-set_socket_opts(Transport, Socket, [], SockOpts, Other) ->
-    %% Set non emulated options 
-    try ssl_socket:setopts(Transport, Socket, Other) of
-	ok ->
-	    {ok, SockOpts};
-	{error, InetError} ->
-	    {{error, {options, {socket_options, Other, InetError}}}, SockOpts}
-    catch
-	_:Error ->
-	    %% So that inet behavior does not crash our process
-	    {{error, {options, {socket_options, Other, Error}}}, SockOpts}
-    end;
+    %% We could do test:
+    %% is_time_to_renegotiate((erlang:byte_size(_Data) div ?MAX_PLAIN_TEXT_LENGTH) + 1, RenegotiateAt),
+    %% but we chose to have a some what lower renegotiateAt and a much cheaper test 
+    is_time_to_renegotiate(Num, RenegotiateAt).
 
-set_socket_opts(Transport,Socket, [{mode, Mode}| Opts], SockOpts, Other) when Mode == list; Mode == binary ->
-    set_socket_opts(Transport, Socket, Opts, 
-		    SockOpts#socket_options{mode = Mode}, Other);
-set_socket_opts(_, _, [{mode, _} = Opt| _], SockOpts, _) ->
-    {{error, {options, {socket_options, Opt}}}, SockOpts};
-set_socket_opts(Transport,Socket, [{packet, Packet}| Opts], SockOpts, Other) when Packet == raw;
-									Packet == 0;
-									Packet == 1;
-									Packet == 2;
-									Packet == 4;
-									Packet == asn1;
-									Packet == cdr;
-									Packet == sunrm;
-									Packet == fcgi;
-									Packet == tpkt;
-									Packet == line;
-									Packet == http;
-									Packet == httph;
-									Packet == http_bin;
-									Packet == httph_bin ->
-    set_socket_opts(Transport, Socket, Opts, 
-		    SockOpts#socket_options{packet = Packet}, Other);
-set_socket_opts(_, _, [{packet, _} = Opt| _], SockOpts, _) ->
-    {{error, {options, {socket_options, Opt}}}, SockOpts};
-set_socket_opts(Transport, Socket, [{header, Header}| Opts], SockOpts, Other) when is_integer(Header) ->
-    set_socket_opts(Transport, Socket, Opts, 
-		    SockOpts#socket_options{header = Header}, Other);
-set_socket_opts(_, _, [{header, _} = Opt| _], SockOpts, _) ->
-    {{error,{options, {socket_options, Opt}}}, SockOpts};
-set_socket_opts(Transport, Socket, [{active, Active}| Opts], SockOpts, Other) when Active == once;
-										   Active == true;
-										   Active == false ->
-    set_socket_opts(Transport, Socket, Opts, 
-		    SockOpts#socket_options{active = Active}, Other);
-set_socket_opts(_, _, [{active, _} = Opt| _], SockOpts, _) ->
-    {{error, {options, {socket_options, Opt}} }, SockOpts};
-set_socket_opts(Transport, Socket, [Opt | Opts], SockOpts, Other) ->
-    set_socket_opts(Transport, Socket, Opts, SockOpts, [Opt | Other]).
+is_time_to_renegotiate(N, M) when N < M->
+    false;
+is_time_to_renegotiate(_,_) ->
+    true.
+renegotiate(#state{role = client} = State) ->
+    %% Handle same way as if server requested
+    %% the renegotiation
+    Hs0 = ssl_handshake:init_handshake_history(),
+    connection(#hello_request{}, State#state{tls_handshake_history = Hs0});
+renegotiate(#state{role = server,
+		   socket = Socket,
+		   transport_cb = Transport,
+		   negotiated_version = Version,
+		   connection_states = ConnectionStates0} = State0) ->
+    HelloRequest = ssl_handshake:hello_request(),
+    Frag = tls_handshake:encode_handshake(HelloRequest, Version),
+    Hs0 = ssl_handshake:init_handshake_history(),
+    {BinMsg, ConnectionStates} = 
+	ssl_record:encode_handshake(Frag, Version, ConnectionStates0),
+    Transport:send(Socket, BinMsg),
+    {Record, State} = next_record(State0#state{connection_states = 
+					       ConnectionStates,
+					       tls_handshake_history = Hs0}),
+    next_state(connection, hello, Record, State#state{allow_renegotiate = true}).
 
 handle_alerts([], Result) ->
     Result;
@@ -1515,7 +831,8 @@ handle_alerts([Alert | Alerts], {next_state, StateName, State, _Timeout}) ->
     handle_alerts(Alerts, handle_alert(Alert, StateName, State)).
 
 handle_alert(#alert{level = ?FATAL} = Alert, StateName,
-	     #state{socket = Socket, transport_cb = Transport, ssl_options = SslOpts, start_or_recv_from = From, host = Host,
+	     #state{socket = Socket, transport_cb = Transport, 
+		    ssl_options = SslOpts, start_or_recv_from = From, host = Host,
 		    port = Port, session = Session, user_application = {_Mon, Pid},
 		    role = Role, socket_options = Opts} = State) ->
     invalidate_session(Role, Host, Port, Session),
@@ -1565,10 +882,12 @@ alert_user(Transport, Socket, Active, Pid, From, Alert, Role) ->
     case ssl_alert:reason_code(Alert, Role) of
 	closed ->
 	    send_or_reply(Active, Pid, From,
-			  {ssl_closed, ssl_socket:socket(self(), Transport, Socket, ?MODULE)});
+			  {ssl_closed, ssl_socket:socket(self(), 
+							 Transport, Socket, ?MODULE)});
 	ReasonCode ->
 	    send_or_reply(Active, Pid, From,
-			  {ssl_error, ssl_socket:socket(self(), Transport, Socket, ?MODULE), ReasonCode})
+			  {ssl_error, ssl_socket:socket(self(), 
+							Transport, Socket, ?MODULE), ReasonCode})
     end.
 
 log_alert(true, Info, Alert) ->
@@ -1584,7 +903,7 @@ handle_own_alert(Alert, Version, StateName,
 			ssl_options = SslOpts} = State) ->
     try %% Try to tell the other side
 	{BinMsg, _} =
-	encode_alert(Alert, Version, ConnectionStates),
+	ssl_alert:encode(Alert, Version, ConnectionStates),
 	Transport:send(Socket, BinMsg),
 	workaround_transport_delivery_problems(Socket, Transport)
     catch _:_ ->  %% Can crash if we are in a uninitialized state
@@ -1615,73 +934,26 @@ handle_unexpected_message(Msg, Info, #state{negotiated_version = Version} = Stat
     Alert =  ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE),
     handle_own_alert(Alert, Version, {Info, Msg}, State).
 
-make_premaster_secret({MajVer, MinVer}, rsa) ->
-    Rand = ssl:random_bytes(?NUM_OF_PREMASTERSECRET_BYTES-2),
-    <<?BYTE(MajVer), ?BYTE(MinVer), Rand/binary>>;
-make_premaster_secret(_, _) ->
-    undefined.
-
-ack_connection(#state{renegotiation = {true, Initiater}} = State) 
-  when Initiater == internal;
-       Initiater == peer ->
-    State#state{renegotiation = undefined};
-ack_connection(#state{renegotiation = {true, From}} = State) ->    
-    gen_fsm:reply(From, ok),
-    State#state{renegotiation = undefined};
-ack_connection(#state{renegotiation = {false, first}, 
-		      start_or_recv_from = StartFrom,
-		      timer = Timer} = State) when StartFrom =/= undefined ->
-    gen_fsm:reply(StartFrom, connected),
-    cancel_timer(Timer),
-    State#state{renegotiation = undefined, start_or_recv_from = undefined, timer = undefined};
-ack_connection(State) ->
-    State.
-
-renegotiate(#state{role = client} = State) ->
-    %% Handle same way as if server requested
-    %% the renegotiation
-    Hs0 = ssl_handshake:init_handshake_history(),
-    connection(#hello_request{}, State#state{tls_handshake_history = Hs0});
-renegotiate(#state{role = server,
-		   socket = Socket,
-		   transport_cb = Transport,
-		   negotiated_version = Version,
-		   connection_states = ConnectionStates0} = State0) ->
-    HelloRequest = ssl_handshake:hello_request(),
-    Frag = tls_handshake:encode_handshake(HelloRequest, Version),
-    Hs0 = ssl_handshake:init_handshake_history(),
-    {BinMsg, ConnectionStates} = 
-	ssl_record:encode_handshake(Frag, Version, ConnectionStates0),
-    Transport:send(Socket, BinMsg),
-    {Record, State} = next_record(State0#state{connection_states = 
-					       ConnectionStates,
-					       tls_handshake_history = Hs0}),
-    next_state(connection, hello, Record, State#state{allow_renegotiate = true}).
 
-notify_senders(SendQueue) -> 
-    lists:foreach(fun({From, _}) ->
- 			  gen_fsm:reply(From, {error, closed})
- 		  end, queue:to_list(SendQueue)).
+handle_close_alert(Data, StateName, State0) ->
+    case next_tls_record(Data, State0) of
+	{#ssl_tls{type = ?ALERT, fragment = EncAlerts}, State} ->
+	    [Alert|_] = decode_alerts(EncAlerts),
+	    handle_normal_shutdown(Alert, StateName, State);
+	_ ->
+	    ok
+    end.
 
-notify_renegotiater({true, From}) when not is_atom(From)  ->
-    gen_fsm:reply(From, {error, closed});
-notify_renegotiater(_) ->
+cancel_timer(undefined) ->
+    ok;
+cancel_timer(Timer) ->
+    erlang:cancel_timer(Timer),
     ok.
 
-terminate_alert(Reason, Version, ConnectionStates) when Reason == normal;
-							Reason == user_close ->
-    {BinAlert, _} = encode_alert(?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
-				 Version, ConnectionStates),
-    BinAlert;
-terminate_alert({shutdown, _}, Version, ConnectionStates) ->
-    {BinAlert, _} = encode_alert(?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
-				 Version, ConnectionStates),
-    BinAlert;
-
-terminate_alert(_, Version, ConnectionStates) ->
-    {BinAlert, _} = encode_alert(?ALERT_REC(?FATAL, ?INTERNAL_ERROR),
-				 Version, ConnectionStates),
-    BinAlert.
+invalidate_session(client, Host, Port, Session) ->
+    ssl_manager:invalidate_session(Host, Port, Session);
+invalidate_session(server, _, Port, Session) ->
+    ssl_manager:invalidate_session(Port, Session).
 
 workaround_transport_delivery_problems(Socket, gen_tcp = Transport) ->
     %% Standard trick to try to make sure all
@@ -1697,60 +969,3 @@ workaround_transport_delivery_problems(Socket, gen_tcp = Transport) ->
     Transport:recv(Socket, 0, 30000);
 workaround_transport_delivery_problems(Socket, Transport) ->
     Transport:close(Socket).
-
-get_timeout(#state{ssl_options=#ssl_options{hibernate_after = undefined}}) ->
-    infinity;
-get_timeout(#state{ssl_options=#ssl_options{hibernate_after = HibernateAfter}}) ->
-    HibernateAfter.
-
-handle_trusted_certs_db(#state{ssl_options = #ssl_options{cacertfile = <<>>}}) ->
-    %% No trusted certs specified
-    ok;
-handle_trusted_certs_db(#state{cert_db_ref = Ref,
-			       cert_db = CertDb,
-			       ssl_options = #ssl_options{cacertfile = undefined}}) ->
-    %% Certs provided as DER directly can not be shared
-    %% with other connections and it is safe to delete them when the connection ends.
-    ssl_pkix_db:remove_trusted_certs(Ref, CertDb);
-handle_trusted_certs_db(#state{file_ref_db = undefined}) ->
-    %% Something went wrong early (typically cacertfile does not exist) so there is nothing to handle
-    ok;
-handle_trusted_certs_db(#state{cert_db_ref = Ref,
-			       file_ref_db = RefDb,
-			       ssl_options = #ssl_options{cacertfile = File}}) ->
-    case ssl_pkix_db:ref_count(Ref, RefDb, -1) of
-	0 ->
-	    ssl_manager:clean_cert_db(Ref, File);
-	_ ->
-	    ok
-    end.
-
-
-start_or_recv_cancel_timer(infinity, _RecvFrom) ->
-    undefined;
-start_or_recv_cancel_timer(Timeout, RecvFrom) ->
-    erlang:send_after(Timeout, self(), {cancel_start_or_recv, RecvFrom}).
-
-cancel_timer(undefined) ->
-    ok;
-cancel_timer(Timer) ->
-    erlang:cancel_timer(Timer),
-    ok.
-
-handle_unrecv_data(StateName, #state{socket = Socket, transport_cb = Transport} = State) ->
-    ssl_socket:setopts(Transport, Socket, [{active, false}]),
-    case Transport:recv(Socket, 0, 0) of
-	{error, closed} ->
-	    ok;
-	{ok, Data} ->
-	    handle_close_alert(Data, StateName, State)
-    end.
-
-handle_close_alert(Data, StateName, State0) ->
-    case next_tls_record(Data, State0) of
-	{#ssl_tls{type = ?ALERT, fragment = EncAlerts}, State} ->
-	    [Alert|_] = decode_alerts(EncAlerts),
-	    handle_normal_shutdown(Alert, StateName, State);
-	_ ->
-	    ok
-    end.