From e09b0cec251983eb838692ae3472a03ce42aea7a Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Mon, 5 Jun 2017 11:56:22 +0200 Subject: dtls: Fetch next DTLS record when dropping resent handshake data --- lib/ssl/src/dtls_connection.erl | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) (limited to 'lib/ssl') diff --git a/lib/ssl/src/dtls_connection.erl b/lib/ssl/src/dtls_connection.erl index b19f976cdb..f338471829 100644 --- a/lib/ssl/src/dtls_connection.erl +++ b/lib/ssl/src/dtls_connection.erl @@ -773,14 +773,16 @@ next_event(connection = StateName, no_record, {#ssl_tls{epoch = Epoch, type = ?HANDSHAKE, version = _Version}, State1} = _Record when Epoch == CurrentEpoch-1 -> - {State, MoreActions} = send_handshake_flight(State1, CurrentEpoch), - {next_state, StateName, State, Actions ++ MoreActions}; + {State2, MoreActions} = send_handshake_flight(State1, CurrentEpoch), + {NextRecord, State} = next_record(State2), + next_event(StateName, NextRecord, State, Actions ++ MoreActions); %% From FLIGHT perspective CHANGE_CIPHER_SPEC is treated as a handshake {#ssl_tls{epoch = Epoch, type = ?CHANGE_CIPHER_SPEC, version = _Version}, State1} = _Record when Epoch == CurrentEpoch-1 -> - {State, MoreActions} = send_handshake_flight(State1, CurrentEpoch), - {next_state, StateName, State, Actions ++ MoreActions}; + {State2, MoreActions} = send_handshake_flight(State1, CurrentEpoch), + {NextRecord, State} = next_record(State2), + next_event(StateName, NextRecord, State, Actions ++ MoreActions); {#ssl_tls{epoch = _Epoch, version = _Version}, State1} -> %% TODO maybe buffer later epoch @@ -797,14 +799,16 @@ next_event(connection = StateName, Record, #ssl_tls{epoch = Epoch, type = ?HANDSHAKE, version = _Version} when Epoch == CurrentEpoch-1 -> - {State, MoreActions} = send_handshake_flight(State0, CurrentEpoch), - {next_state, StateName, State, Actions ++ MoreActions}; + {State1, MoreActions} = send_handshake_flight(State0, CurrentEpoch), + {NextRecord, State} = next_record(State1), + next_event(StateName, NextRecord, State, Actions ++ MoreActions); %% From FLIGHT perspective CHANGE_CIPHER_SPEC is treated as a handshake #ssl_tls{epoch = Epoch, type = ?CHANGE_CIPHER_SPEC, version = _Version} when Epoch == CurrentEpoch-1 -> - {State, MoreActions} = send_handshake_flight(State0, CurrentEpoch), - {next_state, StateName, State, Actions ++ MoreActions}; + {State1, MoreActions} = send_handshake_flight(State0, CurrentEpoch), + {NextRecord, State} = next_record(State1), + next_event(StateName, NextRecord, State, Actions ++ MoreActions); _ -> next_event(StateName, no_record, State0, Actions) end; -- cgit v1.2.3