From 07f4091e9e7bf16e0fab7ec18f79e7de8e5b5211 Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Mon, 1 Oct 2012 11:03:28 +0200 Subject: ssl: Improve #sslsocket{} API A #sslsocket{} contains the fsm pid and value that was previously set to old_ssl or new_ssl to make the transition period smoother. Now that old ssl is not supported any more we use this field to store the inet socket reference instead. This enables some API functions to return quicker as they do not need to communicate with the fsm-process. --- lib/ssl/src/ssl_connection.erl | 123 +++++++++++++++++------------------------ 1 file changed, 51 insertions(+), 72 deletions(-) (limited to 'lib/ssl/src/ssl_connection.erl') diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index 23f22987df..1319b54d6b 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -40,8 +40,7 @@ -export([send/2, recv/3, connect/7, ssl_accept/6, handshake/2, socket_control/3, close/1, shutdown/2, new_user/2, get_opts/2, set_opts/2, info/1, session_info/1, - peer_certificate/1, sockname/1, peername/1, renegotiation/1, - negotiated_next_protocol/1, prf/5]). + peer_certificate/1, renegotiation/1, negotiated_next_protocol/1, prf/5]). %% Called by ssl_connection_sup -export([start_link/7]). @@ -181,7 +180,7 @@ handshake(#sslsocket{pid = Pid}, Timeout) -> socket_control(Socket, Pid, CbModule) -> case CbModule:controlling_process(Socket, Pid) of ok -> - {ok, sslsocket(Pid)}; + {ok, sslsocket(Pid, Socket)}; {error, Reason} -> {error, Reason} end. @@ -215,13 +214,7 @@ shutdown(ConnectionPid, How) -> %%-------------------------------------------------------------------- new_user(ConnectionPid, User) -> sync_send_all_state_event(ConnectionPid, {new_user, User}). -%%-------------------------------------------------------------------- --spec sockname(pid()) -> {ok, {inet:ip_address(), inet:port_number()}} | {error, reason()}. -%% -%% Description: Same as inet:sockname/1 -%%-------------------------------------------------------------------- -sockname(ConnectionPid) -> - sync_send_all_state_event(ConnectionPid, sockname). + %%-------------------------------------------------------------------- -spec negotiated_next_protocol(pid()) -> {ok, binary()} | {error, reason()}. %% @@ -229,13 +222,7 @@ sockname(ConnectionPid) -> %%-------------------------------------------------------------------- negotiated_next_protocol(ConnectionPid) -> sync_send_all_state_event(ConnectionPid, negotiated_next_protocol). -%%-------------------------------------------------------------------- --spec peername(pid()) -> {ok, {inet:ip_address(), inet:port_number()}} | {error, reason()}. -%% -%% Description: Same as inet:peername/1 -%%-------------------------------------------------------------------- -peername(ConnectionPid) -> - sync_send_all_state_event(ConnectionPid, peername). + %%-------------------------------------------------------------------- -spec get_opts(pid(), list()) -> {ok, list()} | {error, reason()}. %% @@ -870,19 +857,10 @@ handle_sync_event({get_opts, OptTags}, _From, StateName, OptsReply = get_socket_opts(Socket, OptTags, SockOpts, []), {reply, OptsReply, StateName, State, get_timeout(State)}; -handle_sync_event(sockname, _From, StateName, - #state{socket = Socket} = State) -> - SockNameReply = inet:sockname(Socket), - {reply, SockNameReply, StateName, State, get_timeout(State)}; - handle_sync_event(negotiated_next_protocol, _From, StateName, #state{next_protocol = undefined} = State) -> {reply, {error, next_protocol_not_negotiated}, StateName, State, get_timeout(State)}; handle_sync_event(negotiated_next_protocol, _From, StateName, #state{next_protocol = NextProtocol} = State) -> {reply, {ok, NextProtocol}, StateName, State, get_timeout(State)}; -handle_sync_event(peername, _From, StateName, - #state{socket = Socket} = State) -> - PeerNameReply = inet:peername(Socket), - {reply, PeerNameReply, StateName, State, get_timeout(State)}; handle_sync_event({set_opts, Opts0}, _From, StateName, #state{socket_options = Opts1, @@ -1011,7 +989,7 @@ handle_info({CloseTag, Socket}, StateName, handle_info({ErrorTag, Socket, econnaborted}, StateName, #state{socket = Socket, start_or_recv_from = StartFrom, role = Role, error_tag = ErrorTag} = State) when StateName =/= connection -> - alert_user(StartFrom, ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE), Role), + alert_user(Socket, StartFrom, ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE), Role), {stop, normal, State}; handle_info({ErrorTag, Socket, Reason}, StateName, #state{socket = Socket, @@ -1787,10 +1765,11 @@ passive_receive(State0 = #state{user_data_buffer = Buffer}, StateName) -> end. read_application_data(Data, #state{user_application = {_Mon, Pid}, - socket_options = SOpts, - bytes_to_read = BytesToRead, - start_or_recv_from = RecvFrom, - user_data_buffer = Buffer0} = State0) -> + socket = Socket, + socket_options = SOpts, + bytes_to_read = BytesToRead, + start_or_recv_from = RecvFrom, + user_data_buffer = Buffer0} = State0) -> Buffer1 = if Buffer0 =:= <<>> -> Data; Data =:= <<>> -> Buffer0; @@ -1798,7 +1777,7 @@ read_application_data(Data, #state{user_application = {_Mon, Pid}, end, case get_data(SOpts, BytesToRead, Buffer1) of {ok, ClientData, Buffer} -> % Send data - SocketOpt = deliver_app_data(SOpts, ClientData, Pid, RecvFrom), + SocketOpt = deliver_app_data(Socket, SOpts, ClientData, Pid, RecvFrom), State = State0#state{user_data_buffer = Buffer, start_or_recv_from = undefined, bytes_to_read = 0, @@ -1815,7 +1794,7 @@ read_application_data(Data, #state{user_application = {_Mon, Pid}, {more, Buffer} -> % no reply, we need more data next_record(State0#state{user_data_buffer = Buffer}); {error,_Reason} -> %% Invalid packet in packet mode - deliver_packet_error(SOpts, Buffer1, Pid, RecvFrom), + deliver_packet_error(Socket, SOpts, Buffer1, Pid, RecvFrom), {stop, normal, State0} end. @@ -1894,9 +1873,9 @@ decode_packet(Type, Buffer, PacketOpts) -> %% Note that if the user has explicitly configured the socket to expect %% HTTP headers using the {packet, httph} option, we don't do any automatic %% switching of states. -deliver_app_data(SOpts = #socket_options{active=Active, packet=Type}, - Data, Pid, From) -> - send_or_reply(Active, Pid, From, format_reply(SOpts, Data)), +deliver_app_data(Socket, SOpts = #socket_options{active=Active, packet=Type}, + Data, Pid, From) -> + send_or_reply(Active, Pid, From, format_reply(Socket, SOpts, Data)), SO = case Data of {P, _, _, _} when ((P =:= http_request) or (P =:= http_response)), ((Type =:= http) or (Type =:= http_bin)) -> @@ -1915,31 +1894,31 @@ deliver_app_data(SOpts = #socket_options{active=Active, packet=Type}, SO end. -format_reply(#socket_options{active = false, mode = Mode, packet = Packet, +format_reply(_,#socket_options{active = false, mode = Mode, packet = Packet, header = Header}, Data) -> - {ok, format_reply(Mode, Packet, Header, Data)}; -format_reply(#socket_options{active = _, mode = Mode, packet = Packet, + {ok, do_format_reply(Mode, Packet, Header, Data)}; +format_reply(Socket, #socket_options{active = _, mode = Mode, packet = Packet, header = Header}, Data) -> - {ssl, sslsocket(), format_reply(Mode, Packet, Header, Data)}. + {ssl, sslsocket(self(), Socket), do_format_reply(Mode, Packet, Header, Data)}. -deliver_packet_error(SO= #socket_options{active = Active}, Data, Pid, From) -> - send_or_reply(Active, Pid, From, format_packet_error(SO, Data)). +deliver_packet_error(Socket, SO= #socket_options{active = Active}, Data, Pid, From) -> + send_or_reply(Active, Pid, From, format_packet_error(Socket, SO, Data)). -format_packet_error(#socket_options{active = false, mode = Mode}, Data) -> - {error, {invalid_packet, format_reply(Mode, raw, 0, Data)}}; -format_packet_error(#socket_options{active = _, mode = Mode}, Data) -> - {ssl_error, sslsocket(), {invalid_packet, format_reply(Mode, raw, 0, Data)}}. +format_packet_error(_,#socket_options{active = false, mode = Mode}, Data) -> + {error, {invalid_packet, do_format_reply(Mode, raw, 0, Data)}}; +format_packet_error(Socket, #socket_options{active = _, mode = Mode}, Data) -> + {ssl_error, sslsocket(self(), Socket), {invalid_packet, do_format_reply(Mode, raw, 0, Data)}}. -format_reply(binary, _, N, Data) when N > 0 -> % Header mode +do_format_reply(binary, _, N, Data) when N > 0 -> % Header mode header(N, Data); -format_reply(binary, _, _, Data) -> +do_format_reply(binary, _, _, Data) -> Data; -format_reply(list, Packet, _, Data) +do_format_reply(list, Packet, _, Data) when Packet == http; Packet == {http, headers}; Packet == http_bin; Packet == {http_bin, headers}; Packet == httph; Packet == httph_bin -> Data; -format_reply(list, _,_, Data) -> +do_format_reply(list, _,_, Data) -> binary_to_list(Data). header(0, <<>>) -> @@ -2171,11 +2150,8 @@ initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions}, User, send_queue = queue:new() }. -sslsocket(Pid) -> - #sslsocket{pid = Pid, fd = new_ssl}. - -sslsocket() -> - sslsocket(self()). +sslsocket(Pid, Socket) -> + #sslsocket{pid = Pid, fd = Socket}. get_socket_opts(_,[], _, Acc) -> {ok, Acc}; @@ -2271,12 +2247,12 @@ handle_alerts([Alert | Alerts], {next_state, StateName, State, _Timeout}) -> handle_alerts(Alerts, handle_alert(Alert, StateName, State)). handle_alert(#alert{level = ?FATAL} = Alert, StateName, - #state{start_or_recv_from = From, host = Host, port = Port, session = Session, - user_application = {_Mon, Pid}, + #state{socket = Socket, start_or_recv_from = From, host = Host, + port = Port, session = Session, user_application = {_Mon, Pid}, log_alert = Log, role = Role, socket_options = Opts} = State) -> invalidate_session(Role, Host, Port, Session), log_alert(Log, StateName, Alert), - alert_user(StateName, Opts, Pid, From, Alert, Role), + alert_user(Socket, StateName, Opts, Pid, From, Alert, Role), {stop, normal, State}; handle_alert(#alert{level = ?WARNING, description = ?CLOSE_NOTIFY} = Alert, @@ -2303,28 +2279,28 @@ handle_alert(#alert{level = ?WARNING, description = ?USER_CANCELED} = Alert, Sta {Record, State} = next_record(State0), next_state(StateName, StateName, Record, State). -alert_user(connection, Opts, Pid, From, Alert, Role) -> - alert_user(Opts#socket_options.active, Pid, From, Alert, Role); -alert_user(_, _, _, From, Alert, Role) -> - alert_user(From, Alert, Role). +alert_user(Socket, connection, Opts, Pid, From, Alert, Role) -> + alert_user(Socket, Opts#socket_options.active, Pid, From, Alert, Role); +alert_user(Socket,_, _, _, From, Alert, Role) -> + alert_user(Socket, From, Alert, Role). -alert_user(From, Alert, Role) -> - alert_user(false, no_pid, From, Alert, Role). +alert_user(Socket, From, Alert, Role) -> + alert_user(Socket, false, no_pid, From, Alert, Role). -alert_user(false = Active, Pid, From, Alert, Role) -> +alert_user(_Socket, false = Active, Pid, From, Alert, Role) -> %% If there is an outstanding ssl_accept | recv %% From will be defined and send_or_reply will %% send the appropriate error message. ReasonCode = ssl_alert:reason_code(Alert, Role), send_or_reply(Active, Pid, From, {error, ReasonCode}); -alert_user(Active, Pid, From, Alert, Role) -> +alert_user(Socket, Active, Pid, From, Alert, Role) -> case ssl_alert:reason_code(Alert, Role) of closed -> send_or_reply(Active, Pid, From, - {ssl_closed, sslsocket()}); + {ssl_closed, sslsocket(self(), Socket)}); ReasonCode -> send_or_reply(Active, Pid, From, - {ssl_error, sslsocket(), ReasonCode}) + {ssl_error, sslsocket(self(), Socket), ReasonCode}) end. log_alert(true, Info, Alert) -> @@ -2353,13 +2329,16 @@ handle_own_alert(Alert, Version, StateName, ok end. -handle_normal_shutdown(Alert, _, #state{start_or_recv_from = StartFrom, role = Role, renegotiation = {false, first}}) -> - alert_user(StartFrom, Alert, Role); +handle_normal_shutdown(Alert, _, #state{socket = Socket, + start_or_recv_from = StartFrom, + role = Role, renegotiation = {false, first}}) -> + alert_user(Socket, StartFrom, Alert, Role); -handle_normal_shutdown(Alert, StateName, #state{socket_options = Opts, +handle_normal_shutdown(Alert, StateName, #state{socket = Socket, + socket_options = Opts, user_application = {_Mon, Pid}, start_or_recv_from = RecvFrom, role = Role}) -> - alert_user(StateName, Opts, Pid, RecvFrom, Alert, Role). + alert_user(Socket, StateName, Opts, Pid, RecvFrom, Alert, Role). handle_unexpected_message(Msg, Info, #state{negotiated_version = Version} = State) -> Alert = ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE), -- cgit v1.2.3