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author | Ingela Anderton Andin <ingela@erlang.org> | 2011-11-25 11:47:07 +0100 |
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committer | Ingela Anderton Andin <ingela@erlang.org> | 2011-11-28 13:55:45 +0100 |
commit | f4352ae5dd94c1dfaf67d8636991cd0413a173f0 (patch) | |
tree | aebf68b7f1bee9d56ec1f3a7e8a4718ff9646a89 /lib/ssl/src/ssl_connection.erl | |
parent | 197164b6ef62b4be91c767eb3c6b2e70bf2875bc (diff) | |
download | otp-f4352ae5dd94c1dfaf67d8636991cd0413a173f0.tar.gz otp-f4352ae5dd94c1dfaf67d8636991cd0413a173f0.tar.bz2 otp-f4352ae5dd94c1dfaf67d8636991cd0413a173f0.zip |
If a passive receive was ongoing during a renegotiation the process
evaluating ssl:recv could be left hanging for ever.
Diffstat (limited to 'lib/ssl/src/ssl_connection.erl')
-rw-r--r-- | lib/ssl/src/ssl_connection.erl | 34 |
1 files changed, 15 insertions, 19 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index b187d038a1..d4807704b2 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -87,10 +87,10 @@ bytes_to_read, % integer(), # bytes to read in passive mode user_data_buffer, % binary() log_alert, % boolean() - renegotiation, % {boolean(), From | internal | peer} - recv_during_renegotiation, %boolean() - send_queue, % queue() - terminated = false, % + renegotiation, % {boolean(), From | internal | peer} + recv_from, % + send_queue, % queue() + terminated = false, % allow_renegotiate = true }). @@ -720,9 +720,7 @@ connection(#client_hello{}, #state{role = server, allow_renegotiate = false, {BinMsg, ConnectionStates} = encode_alert(Alert, Version, ConnectionStates0), Transport:send(Socket, BinMsg), - {Record, State} = next_record(State0#state{connection_states = - ConnectionStates}), - next_state(connection, connection, Record, State); + next_state_connection(connection, State0#state{connection_states = ConnectionStates}); connection(timeout, State) -> {next_state, connection, State, hibernate}; @@ -814,14 +812,12 @@ handle_sync_event({shutdown, How0}, _, StateName, end; handle_sync_event({recv, N}, From, connection = StateName, State0) -> - passive_receive(State0#state{bytes_to_read = N, from = From}, StateName); + passive_receive(State0#state{bytes_to_read = N, recv_from = From}, StateName); %% Doing renegotiate wait with handling request until renegotiate is -%% finished. Will be handled by next_state_connection/2. +%% finished. Will be handled by next_state_is_connection/2. handle_sync_event({recv, N}, From, StateName, State) -> - {next_state, StateName, - State#state{bytes_to_read = N, from = From, - recv_during_renegotiation = true}, + {next_state, StateName, State#state{bytes_to_read = N, recv_from = From}, get_timeout(State)}; handle_sync_event({new_user, User}, _From, StateName, @@ -1689,7 +1685,7 @@ passive_receive(State0 = #state{user_data_buffer = Buffer}, StateName) -> read_application_data(Data, #state{user_application = {_Mon, Pid}, socket_options = SOpts, bytes_to_read = BytesToRead, - from = From, + recv_from = From, user_data_buffer = Buffer0} = State0) -> Buffer1 = if Buffer0 =:= <<>> -> Data; @@ -1700,7 +1696,7 @@ read_application_data(Data, #state{user_application = {_Mon, Pid}, {ok, ClientData, Buffer} -> % Send data SocketOpt = deliver_app_data(SOpts, ClientData, Pid, From), State = State0#state{user_data_buffer = Buffer, - from = undefined, + recv_from = undefined, bytes_to_read = 0, socket_options = SocketOpt }, @@ -2000,10 +1996,10 @@ next_state_connection(StateName, #state{send_queue = Queue0, %% premaster_secret and public_key_info (only needed during handshake) %% to reduce memory foot print of a connection. next_state_is_connection(_, State = - #state{recv_during_renegotiation = true, socket_options = - #socket_options{active = false}}) -> - passive_receive(State#state{recv_during_renegotiation = false, - premaster_secret = undefined, + #state{recv_from = From, + socket_options = + #socket_options{active = false}}) when From =/= undefined -> + passive_receive(State#state{premaster_secret = undefined, public_key_info = undefined, tls_handshake_hashes = {<<>>, <<>>}}, connection); @@ -2065,7 +2061,7 @@ initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions}, User, log_alert = true, session_cache_cb = SessionCacheCb, renegotiation = {false, first}, - recv_during_renegotiation = false, + recv_from = undefined, send_queue = queue:new() }. |