From ac75d4152fca80ecfd19ebfdf735127b6df35ab6 Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Tue, 9 Oct 2018 15:52:15 +0200 Subject: ssl: TLS sender process needs to get updates of the socket option packet If the socket option is set to {packet, 1|2|3|4} sender process needs to add a packet length header. If packet is changed with ssl:setopts/2 this needs to be communicated to tls_sender. --- lib/ssl/src/ssl.erl | 19 ++++++++++++++ lib/ssl/src/tls_sender.erl | 21 ++++++++++++++-- lib/ssl/test/ssl_packet_SUITE.erl | 52 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 90 insertions(+), 2 deletions(-) diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index 4cf56035ba..03a1e40bfc 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -604,6 +604,25 @@ getopts(#sslsocket{}, OptionTags) -> %% %% Description: Sets options %%-------------------------------------------------------------------- +setopts(#sslsocket{pid = [Pid, Sender]}, Options0) when is_pid(Pid), is_list(Options0) -> + try proplists:expand([{binary, [{mode, binary}]}, + {list, [{mode, list}]}], Options0) of + Options -> + case proplists:get_value(packet, Options, undefined) of + undefined -> + ssl_connection:set_opts(Pid, Options); + PacketOpt -> + case tls_sender:setopts(Sender, [{packet, PacketOpt}]) of + ok -> + ssl_connection:set_opts(Pid, Options); + Error -> + Error + end + end + catch + _:_ -> + {error, {options, {not_a_proplist, Options0}}} + end; setopts(#sslsocket{pid = [Pid|_]}, Options0) when is_pid(Pid), is_list(Options0) -> try proplists:expand([{binary, [{mode, binary}]}, {list, [{mode, list}]}], Options0) of diff --git a/lib/ssl/src/tls_sender.erl b/lib/ssl/src/tls_sender.erl index ec03000b33..f5379f60e3 100644 --- a/lib/ssl/src/tls_sender.erl +++ b/lib/ssl/src/tls_sender.erl @@ -29,7 +29,7 @@ %% API -export([start/0, start/1, initialize/2, send_data/2, send_alert/2, - send_and_ack_alert/2, renegotiate/1, + send_and_ack_alert/2, renegotiate/1, setopts/2, update_connection_state/3, dist_tls_socket/1, dist_handshake_complete/3]). %% gen_statem callbacks @@ -81,7 +81,7 @@ initialize(Pid, InitMsg) -> gen_statem:call(Pid, {self(), InitMsg}). %%-------------------------------------------------------------------- --spec send_data(pid(), iodata()) -> ok. +-spec send_data(pid(), iodata()) -> ok | {error, term()}. %% Description: Send application data %%-------------------------------------------------------------------- send_data(Pid, AppData) -> @@ -103,6 +103,12 @@ send_alert(Pid, Alert) -> %%-------------------------------------------------------------------- send_and_ack_alert(Pid, Alert) -> gen_statem:cast(Pid, {ack_alert, Alert}). +%%-------------------------------------------------------------------- +-spec setopts(pid(), [{packet, integer() | atom()}]) -> ok | {error, term()}. +%% Description: Send application data +%%-------------------------------------------------------------------- +setopts(Pid, Opts) -> + call(Pid, {set_opts, Opts}). %%-------------------------------------------------------------------- -spec renegotiate(pid()) -> {ok, WriteState::map()} | {error, closed}. @@ -201,6 +207,8 @@ connection({call, From}, {application_data, AppData}, Data -> send_application_data(Data, From, ?FUNCTION_NAME, StateData) end; +connection({call, From}, {set_opts, _} = Call, StateData) -> + handle_call(From, Call, ?FUNCTION_NAME, StateData); connection({call, From}, dist_get_tls_socket, #data{protocol_cb = Connection, transport_cb = Transport, @@ -254,6 +262,8 @@ connection(info, Msg, StateData) -> StateData :: term()) -> gen_statem:event_handler_result(atom()). %%-------------------------------------------------------------------- +handshake({call, From}, {set_opts, _} = Call, StateData) -> + handle_call(From, Call, ?FUNCTION_NAME, StateData); handshake({call, _}, _, _) -> {keep_state_and_data, [postpone]}; handshake(cast, {new_write, WritesState, Version}, @@ -298,6 +308,9 @@ code_change(_OldVsn, State, Data, _Extra) -> %%%=================================================================== %%% Internal functions %%%=================================================================== +handle_call(From, {set_opts, Opts}, StateName, #data{socket_options = SockOpts} = StateData) -> + {next_state, StateName, StateData#data{socket_options = set_opts(SockOpts, Opts)}, [{reply, From, ok}]}. + handle_info({'DOWN', Monitor, _, _, Reason}, _, #data{connection_monitor = Monitor, dist_handle = Handle} = StateData) when Handle =/= undefined-> @@ -364,6 +377,10 @@ encode_size_packet(Bin, Size, Max) -> false -> <> end. + +set_opts(SocketOptions, [{packet, N}]) -> + SocketOptions#socket_options{packet = N}. + time_to_renegotiate(_Data, #{current_write := #{sequence_number := Num}}, RenegotiateAt) -> diff --git a/lib/ssl/test/ssl_packet_SUITE.erl b/lib/ssl/test/ssl_packet_SUITE.erl index 3261244ace..ebf8ddbfac 100644 --- a/lib/ssl/test/ssl_packet_SUITE.erl +++ b/lib/ssl/test/ssl_packet_SUITE.erl @@ -141,6 +141,7 @@ socket_active_packet_tests() -> packet_4_active_some_big, packet_wait_active, packet_size_active, + packet_switch, %% inet header option should be deprecated! header_decode_one_byte_active, header_decode_two_bytes_active, @@ -702,6 +703,34 @@ packet_size_passive(Config) when is_list(Config) -> ssl_test_lib:close(Server), ssl_test_lib:close(Client). + +%%-------------------------------------------------------------------- +packet_switch() -> + [{doc,"Test packet option {packet, 2} followd by {packet, 4}"}]. + +packet_switch(Config) when is_list(Config) -> + ClientOpts = ssl_test_lib:ssl_options(client_opts, Config), + ServerOpts = ssl_test_lib:ssl_options(server_opts, Config), + {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config), + + Server = ssl_test_lib:start_server([{node, ClientNode}, {port, 0}, + {from, self()}, + {mfa, {?MODULE, send_switch_packet ,["Hello World", 4]}}, + {options, [{nodelay, true},{packet, 2} | ServerOpts]}]), + Port = ssl_test_lib:inet_port(Server), + Client = ssl_test_lib:start_client([{node, ServerNode}, {port, Port}, + {host, Hostname}, + {from, self()}, + {mfa, {?MODULE, recv_switch_packet, ["Hello World", 4]}}, + {options, [{nodelay, true}, {packet, 2} | + ClientOpts]}]), + + ssl_test_lib:check_result(Client, ok), + + ssl_test_lib:close(Server), + ssl_test_lib:close(Client). + + %%-------------------------------------------------------------------- packet_cdr_decode() -> [{doc,"Test setting the packet option {packet, cdr}, {mode, binary}"}]. @@ -2286,3 +2315,26 @@ client_reject_packet_opt(Config, PacketOpt) -> ClientOpts]}]), ssl_test_lib:check_result(Client, {error, {options, {not_supported, PacketOpt}}}). + + +send_switch_packet(SslSocket, Data, NextPacket) -> + ssl:send(SslSocket, Data), + receive + {ssl, SslSocket, "Hello World"} -> + ssl:setopts(SslSocket, [{packet, NextPacket}]), + ssl:send(SslSocket, Data), + receive + {ssl, SslSocket, "Hello World"} -> + ok + end + end. +recv_switch_packet(SslSocket, Data, NextPacket) -> + receive + {ssl, SslSocket, "Hello World"} -> + ssl:send(SslSocket, Data), + ssl:setopts(SslSocket, [{packet, NextPacket}]), + receive + {ssl, SslSocket, "Hello World"} -> + ssl:send(SslSocket, Data) + end + end. -- cgit v1.2.1