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0934-ssl-Avoid-possible-sending-an-active-messa...
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File 0934-ssl-Avoid-possible-sending-an-active-message-to-a-pa.patch of Package erlang
From 5a9a2fe727ba43bd6352552d42db85255b4fd4ff Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin <ingela@erlang.org> Date: Thu, 28 May 2020 11:01:00 +0200 Subject: [PATCH 1/3] ssl: Avoid possible sending an active message to a passive socket In the corner case that a passive socket is started and ssl:recv never is called and the other side closes the socket, an active close message could incorrectly be sent to a passive socket. --- lib/ssl/src/ssl_connection.erl | 8 ++++---- lib/ssl/test/ssl_api_SUITE.erl | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 38 insertions(+), 4 deletions(-) diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index 8e2e794280..e1a0ce9079 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -2981,11 +2981,11 @@ header(N, Binary) -> send_or_reply(false, _Pid, From, Data) when From =/= undefined -> gen_statem:reply(From, Data); -%% Can happen when handling own alert or tcp error/close and there is -%% no outstanding gen_fsm sync events -send_or_reply(false, no_pid, _, _) -> +send_or_reply(false, Pid, undefined, _) when is_pid(Pid) -> ok; -send_or_reply(_, Pid, _From, Data) -> +send_or_reply(_, no_pid, _, _) -> + ok; +send_or_reply(_, Pid, _, Data) -> send_user(Pid, Data). send_user(Pid, Msg) -> -- 2.26.2
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