File 0164-Better-fix-for-non-delivery-of-ssl_closed-message-in.patch of Package erlang
From 7f33b438a21b65663338a32d05983b76bdb1ef28 Mon Sep 17 00:00:00 2001
From: Ingela Andin <ingela@erlang.org>
Date: Tue, 30 May 2017 17:22:04 +0200
Subject: [PATCH 2/2] Better fix for non-delivery of ssl_closed message in
active once
This is taken from
https://github.com/erlang/otp/pull/1479#issuecomment-304667528 with
permission from Ingela Andin and improves commit 8abe16c22d.
---
lib/ssl/src/tls_connection.erl | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index a7720e19b..352874c77 100644
--- a/lib/ssl/src/tls_connection.erl
+++ b/lib/ssl/src/tls_connection.erl
@@ -429,7 +429,6 @@ handle_info({CloseTag, Socket}, StateName,
%% Fixes non-delivery of final TLS record in {active, once}.
%% Basically allows the application the opportunity to set {active, once} again
%% and then receive the final message.
- self() ! {CloseTag, Socket},
next_event(StateName, no_record, State)
end;
handle_info(Msg, StateName, State) ->
@@ -601,8 +600,12 @@ next_record(#state{protocol_buffers =
next_record(#state{protocol_buffers = #protocol_buffers{tls_packets = [], tls_cipher_texts = []},
socket = Socket,
transport_cb = Transport} = State) ->
- tls_socket:setopts(Transport, Socket, [{active,once}]),
- {no_record, State};
+ case tls_socket:setopts(Transport, Socket, [{active,once}]) of
+ ok ->
+ {no_record, State};
+ _ ->
+ {socket_closed, State}
+ end;
next_record(State) ->
{no_record, State}.
@@ -627,10 +630,15 @@ passive_receive(State0 = #state{user_data_buffer = Buffer}, StateName) ->
next_event(StateName, Record, State) ->
next_event(StateName, Record, State, []).
+next_event(StateName, socket_closed, State, _) ->
+ ssl_connection:handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State),
+ {stop, {shutdown, transport_closed}, State};
next_event(connection = StateName, no_record, State0, Actions) ->
case next_record_if_active(State0) of
{no_record, State} ->
ssl_connection:hibernate_after(StateName, State, Actions);
+ {socket_closed, State} ->
+ next_event(StateName, socket_closed, State, Actions);
{#ssl_tls{} = Record, State} ->
{next_state, StateName, State, [{next_event, internal, {protocol_record, Record}} | Actions]};
{#alert{} = Alert, State} ->
--
2.13.0