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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2007-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%%----------------------------------------------------------------------
%% Purpose: TODO
%%----------------------------------------------------------------------
%% RFC 8446
%% A.1. Client
%%
%% START <----+
%% Send ClientHello | | Recv HelloRetryRequest
%% [K_send = early data] | |
%% v |
%% / WAIT_SH ----+
%% | | Recv ServerHello
%% | | K_recv = handshake
%% Can | V
%% send | WAIT_EE
%% early | | Recv EncryptedExtensions
%% data | +--------+--------+
%% | Using | | Using certificate
%% | PSK | v
%% | | WAIT_CERT_CR
%% | | Recv | | Recv CertificateRequest
%% | | Certificate | v
%% | | | WAIT_CERT
%% | | | | Recv Certificate
%% | | v v
%% | | WAIT_CV
%% | | | Recv CertificateVerify
%% | +> WAIT_FINISHED <+
%% | | Recv Finished
%% \ | [Send EndOfEarlyData]
%% | K_send = handshake
%% | [Send Certificate [+ CertificateVerify]]
%% Can send | Send Finished
%% app data --> | K_send = K_recv = application
%% after here v
%% CONNECTED
%%
%% A.2. Server
%%
%% START <-----+
%% Recv ClientHello | | Send HelloRetryRequest
%% v |
%% RECVD_CH ----+
%% | Select parameters
%% v
%% NEGOTIATED
%% | Send ServerHello
%% | K_send = handshake
%% | Send EncryptedExtensions
%% | [Send CertificateRequest]
%% Can send | [Send Certificate + CertificateVerify]
%% app data | Send Finished
%% after --> | K_send = application
%% here +--------+--------+
%% No 0-RTT | | 0-RTT
%% | |
%% K_recv = handshake | | K_recv = early data
%% [Skip decrypt errors] | +------> WAIT_EOED -+
%% | | Recv | | Recv EndOfEarlyData
%% | | early data | | K_recv = handshake
%% | +------------+ |
%% | |
%% +> WAIT_FLIGHT2 <--------+
%% |
%% +--------+--------+
%% No auth | | Client auth
%% | |
%% | v
%% | WAIT_CERT
%% | Recv | | Recv Certificate
%% | empty | v
%% | Certificate | WAIT_CV
%% | | | Recv
%% | v | CertificateVerify
%% +-> WAIT_FINISHED <---+
%% | Recv Finished
%% | K_recv = application
%% v
%% CONNECTED
-module(tls_connection_1_3).
-include("ssl_alert.hrl").
-include("ssl_connection.hrl").
-export([hello/4]).
-export([gen_handshake/4]).
hello(internal, {common_client_hello, Type, ServerHelloExt}, State, Connection) ->
do_server_hello(Type, ServerHelloExt, State, Connection).
do_server_hello(Type, #{next_protocol_negotiation := _NextProtocols} =
_ServerHelloExt,
#state{negotiated_version = _Version,
session = #session{session_id = _SessId},
connection_states = _ConnectionStates0,
ssl_options = #ssl_options{versions = [_HighestVersion|_]}}
= State0, _Connection) when is_atom(Type) ->
%% NEGOTIATED
%% | Send ServerHello
%% | K_send = handshake
%% | Send EncryptedExtensions
%% | [Send CertificateRequest]
%% Can send | [Send Certificate + CertificateVerify]
%% app data | Send Finished
%% after --> | K_send = application
%% here +--------+--------+
%% No 0-RTT | | 0-RTT
%% | |
%% K_recv = handshake | | K_recv = early data
%% [Skip decrypt errors] | +------> WAIT_EOED -+
%% | | Recv | | Recv EndOfEarlyData
%% | | early data | | K_recv = handshake
%% | +------------+ |
%% | |
%% +> WAIT_FLIGHT2 <--------+
%% Will be called implicitly
%% {Record, State} = Connection:next_record(State2#state{session = Session}),
%% Connection:next_event(wait_flight2, Record, State, Actions),
%% OR
%% Connection:next_event(WAIT_EOED, Record, State, Actions)
{next_state, wait_flight2, State0, []}.
%% TODO: Add new states to tls_connection!
%% State0.
gen_handshake(StateName, Type, Event,
#state{negotiated_version = Version} = State) ->
try tls_connection_1_3:StateName(Type, Event, State, ?MODULE) of
Result ->
Result
catch
_:_ ->
ssl_connection:handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE,
malformed_handshake_data),
Version, StateName, State)
end.
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