diff options
| -rw-r--r-- | lib/ssl/src/dtls_connection.erl | 16 | ||||
| -rw-r--r-- | lib/ssl/src/ssl_connection.erl | 406 | ||||
| -rw-r--r-- | lib/ssl/src/tls_connection.erl | 362 |
3 files changed, 395 insertions, 389 deletions
diff --git a/lib/ssl/src/dtls_connection.erl b/lib/ssl/src/dtls_connection.erl index 5ff3b8b86b..74be0039f4 100644 --- a/lib/ssl/src/dtls_connection.erl +++ b/lib/ssl/src/dtls_connection.erl @@ -58,8 +58,6 @@ read_application_data/2, passive_receive/2, next_record_if_active/1%, %%handle_common_event/4, - %handle_packet/3 - ]). %% gen_statem state functions -export([init/3, error/3, downgrade/3, %% Initiation and take down states @@ -241,7 +239,7 @@ hello(internal, #client_hello{client_version = ClientVersion, case dtls_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb, ConnectionStates0, Cert, KeyExAlg}, Renegotiation) of #alert{} = Alert -> - handle_own_alert(Alert, ClientVersion, hello, State); + ssl_connection:handle_own_alert(Alert, ClientVersion, hello, State); {Version, {Type, Session}, ConnectionStates, Protocol0, ServerHelloExt, HashSign} -> Protocol = case Protocol0 of @@ -265,7 +263,7 @@ hello(internal, #server_hello{} = Hello, ssl_options = SslOptions} = State) -> case dtls_handshake:hello(Hello, SslOptions, ConnectionStates0, Renegotiation) of #alert{} = Alert -> - handle_own_alert(Alert, ReqVersion, hello, State); + ssl_connection:handle_own_alert(Alert, ReqVersion, hello, State); {Version, NewId, ConnectionStates, ProtoExt, Protocol} -> ssl_connection:handle_session(Hello, Version, NewId, ConnectionStates, ProtoExt, Protocol, State) @@ -344,7 +342,7 @@ handle_info({Protocol, _, Data}, StateName, {Record, State} -> next_event(StateName, Record, State); #alert{} = Alert -> - handle_normal_shutdown(Alert, StateName, State0), + ssl_connection:handle_normal_shutdown(Alert, StateName, State0), {stop, {shutdown, own_alert}} end; handle_info({CloseTag, Socket}, StateName, @@ -364,7 +362,7 @@ handle_info({CloseTag, Socket}, StateName, %%invalidate_session(Role, Host, Port, Session) ok end, - handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State), + ssl_connection:handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State), {stop, {shutdown, transport_closed}}; handle_info(Msg, StateName, State) -> ssl_connection:handle_info(Msg, StateName, State). @@ -471,8 +469,8 @@ finish_pack_records({[], Acc}) -> finish_pack_records({Buf, Acc}) -> lists:reverse([lists:reverse(Buf)|Acc]). -%% decode_alerts(Bin) -> -%% ssl_alert:decode(Bin). +decode_alerts(Bin) -> + ssl_alert:decode(Bin). initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions}, User, {CbModule, DataTag, CloseTag, ErrorTag}) -> @@ -560,7 +558,7 @@ passive_receive(State0 = #state{user_data_buffer = Buffer}, StateName) -> {Record, State} = next_record(State0), next_event(StateName, Record, State); _ -> - {Record, State} = read_application_data(<<>>, State0), + {Record, State} = ssl_connection:read_application_data(<<>>, State0), next_event(StateName, Record, State) end. diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index 66e47cc504..8ac9fd8270 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -58,6 +58,13 @@ -export([handle_info/3, handle_call/5, handle_session/7, ssl_config/3, prepare_connection/2, hibernate_after/3]). +%% Alert and close handling +-export([handle_own_alert/4,handle_alert/3, + handle_normal_shutdown/3 + ]). + +%% Data handling +-export([write_application_data/3, read_application_data/2]). %%==================================================================== %% Internal application API @@ -394,7 +401,7 @@ abbreviated(internal, #finished{verify_data = Data} = Finished, expecting_finished = false}, Connection), Connection:next_event(connection, Record, State); #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, abbreviated, State0) + handle_own_alert(Alert, Version, abbreviated, State0) end; abbreviated(internal, #finished{verify_data = Data} = Finished, @@ -414,7 +421,7 @@ abbreviated(internal, #finished{verify_data = Data} = Finished, {Record, State} = prepare_connection(State1#state{expecting_finished = false}, Connection), Connection:next_event(connection, Record, State); #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, abbreviated, State0) + handle_own_alert(Alert, Version, abbreviated, State0) end; %% only allowed to send next_protocol message after change cipher spec @@ -454,9 +461,9 @@ certify(internal, #certificate{asn1_certificates = []}, #state{role = server, negotiated_version = Version, ssl_options = #ssl_options{verify = verify_peer, fail_if_no_peer_cert = true}} = - State, Connection) -> + State, _Connection) -> Alert = ?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE), - Connection:handle_own_alert(Alert, Version, certify, State); + handle_own_alert(Alert, Version, certify, State); certify(internal, #certificate{asn1_certificates = []}, #state{role = server, @@ -471,9 +478,9 @@ certify(internal, #certificate{}, #state{role = server, negotiated_version = Version, ssl_options = #ssl_options{verify = verify_none}} = - State, Connection) -> + State, _Connection) -> Alert = ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE, unrequested_certificate), - Connection:handle_own_alert(Alert, Version, certify, State); + handle_own_alert(Alert, Version, certify, State); certify(internal, #certificate{} = Cert, #state{negotiated_version = Version, @@ -494,7 +501,7 @@ certify(internal, #certificate{} = Cert, handle_peer_cert(Role, PeerCert, PublicKeyInfo, State#state{client_certificate_requested = false}, Connection); #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, certify, State) + handle_own_alert(Alert, Version, certify, State) end; certify(internal, #server_key_exchange{exchange_keys = Keys}, @@ -525,7 +532,7 @@ certify(internal, #server_key_exchange{exchange_keys = Keys}, State#state{hashsign_algorithm = HashSign}, Connection); false -> - Connection:handle_own_alert(?ALERT_REC(?FATAL, ?DECRYPT_ERROR), + handle_own_alert(?ALERT_REC(?FATAL, ?DECRYPT_ERROR), Version, certify, State) end end; @@ -537,7 +544,7 @@ certify(internal, #certificate_request{} = CertRequest, negotiated_version = Version} = State0, Connection) -> case ssl_handshake:select_hashsign(CertRequest, Cert, SupportedHashSigns, ssl:tls_version(Version)) of #alert {} = Alert -> - Connection:handle_own_alert(Alert, Version, certify, State0); + handle_own_alert(Alert, Version, certify, State0); NegotiatedHashSign -> {Record, State} = Connection:next_record(State0#state{client_certificate_requested = true}), Connection:next_event(certify, Record, @@ -556,7 +563,7 @@ certify(internal, #server_hello_done{}, when Alg == psk -> case ssl_handshake:premaster_secret({Alg, PSKIdentity}, PSKLookup) of #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, certify, State0); + handle_own_alert(Alert, Version, certify, State0); PremasterSecret -> State = master_secret(PremasterSecret, State0#state{premaster_secret = PremasterSecret}), @@ -577,7 +584,7 @@ certify(internal, #server_hello_done{}, case ssl_handshake:premaster_secret({Alg, PSKIdentity}, PSKLookup, RSAPremasterSecret) of #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, certify, State0); + handle_own_alert(Alert, Version, certify, State0); PremasterSecret -> State = master_secret(PremasterSecret, State0#state{premaster_secret = RSAPremasterSecret}), @@ -597,7 +604,7 @@ certify(internal, #server_hello_done{}, State = State0#state{connection_states = ConnectionStates}, client_certify_and_key_exchange(State, Connection); #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, certify, State0) + handle_own_alert(Alert, Version, certify, State0) end; %% Master secret is calculated from premaster_secret @@ -615,7 +622,7 @@ certify(internal, #server_hello_done{}, session = Session}, client_certify_and_key_exchange(State, Connection); #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, certify, State0) + handle_own_alert(Alert, Version, certify, State0) end; certify(internal = Type, #client_key_exchange{} = Msg, @@ -633,7 +640,7 @@ certify(internal, #client_key_exchange{exchange_keys = Keys}, State, Connection) catch #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, certify, State) + handle_own_alert(Alert, Version, certify, State) end; certify(Type, Msg, State, Connection) -> @@ -670,15 +677,15 @@ cipher(internal, #certificate_verify{signature = Signature, Connection:next_event(cipher, Record, State#state{cert_hashsign_algorithm = HashSign}); #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, cipher, State0) + handle_own_alert(Alert, Version, cipher, State0) end; %% client must send a next protocol message if we are expecting it cipher(internal, #finished{}, #state{role = server, expecting_next_protocol_negotiation = true, negotiated_protocol = undefined, negotiated_version = Version} = State0, - Connection) -> - Connection:handle_own_alert(?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE), Version, cipher, State0); + _Connection) -> + handle_own_alert(?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE), Version, cipher, State0); cipher(internal, #finished{verify_data = Data} = Finished, #state{negotiated_version = Version, @@ -699,7 +706,7 @@ cipher(internal, #finished{verify_data = Data} = Finished, cipher_role(Role, Data, Session, State#state{expecting_finished = false}, Connection); #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, cipher, State) + handle_own_alert(Alert, Version, cipher, State) end; %% only allowed to send next_protocol message after change cipher spec @@ -732,7 +739,7 @@ connection({call, From}, {application_data, Data}, %% parallize send and receive decoding and not block the receiver %% if sending is overloading the socket. try - Connection:write_application_data(Data, From, State) + write_application_data(Data, From, State) catch throw:Error -> hibernate_after(connection, State, [{reply, From, Error}]) end; @@ -818,20 +825,20 @@ handle_common_event(internal, {tls_record, TLSRecord}, StateName, State, Connect handle_common_event(timeout, hibernate, _, _, _) -> {keep_state_and_data, [hibernate]}; handle_common_event(internal, {application_data, Data}, StateName, State0, Connection) -> - case Connection:read_application_data(Data, State0) of + case read_application_data(Data, State0) of {stop, Reason, State} -> {stop, Reason, State}; {Record, State} -> Connection:next_event(StateName, Record, State) end; handle_common_event(internal, #change_cipher_spec{type = <<1>>}, StateName, - #state{negotiated_version = Version} = State, Connection) -> - Connection:handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE), Version, + #state{negotiated_version = Version} = State, _) -> + handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE), Version, StateName, State); handle_common_event(_Type, Msg, StateName, #state{negotiated_version = Version} = State, - Connection) -> + _) -> Alert = ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE), - Connection:handle_own_alert(Alert, Version, {StateName, Msg}, State). + handle_own_alert(Alert, Version, {StateName, Msg}, State). handle_call({application_data, _Data}, _, _, _, _) -> %% In renegotiation priorities handshake, send data when handshake is finished @@ -937,20 +944,19 @@ handle_call(_,_,_,_,_) -> handle_info({ErrorTag, Socket, econnaborted}, StateName, #state{socket = Socket, transport_cb = Transport, - start_or_recv_from = StartFrom, role = Role, protocol_cb = Connection, + start_or_recv_from = StartFrom, role = Role, error_tag = ErrorTag, tracker = Tracker} = State) when StateName =/= connection -> - Connection:alert_user(Transport, Tracker,Socket, - StartFrom, ?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), Role), + alert_user(Transport, Tracker,Socket, + StartFrom, ?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), Role, Connection), {stop, normal, State}; handle_info({ErrorTag, Socket, Reason}, StateName, #state{socket = Socket, - protocol_cb = Connection, error_tag = ErrorTag} = State) -> Report = io_lib:format("SSL: Socket error: ~p ~n", [Reason]), error_logger:info_report(Report), - Connection:handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State), + handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State), {stop, normal, State}; handle_info({'DOWN', MonitorRef, _, _, _}, _, @@ -1053,6 +1059,114 @@ format_status(terminate, [_, StateName, State]) -> ssl_options = NewOptions, flight_buffer = ?SECRET_PRINTOUT} }}]}]. + +%%-------------------------------------------------------------------- +%%% +%%-------------------------------------------------------------------- +write_application_data(Data0, From, + #state{socket = Socket, + negotiated_version = Version, + protocol_cb = Connection, + transport_cb = Transport, + connection_states = ConnectionStates0, + socket_options = SockOpts, + ssl_options = #ssl_options{renegotiate_at = RenegotiateAt}} = State) -> + Data = encode_packet(Data0, SockOpts), + + case time_to_renegotiate(Data, ConnectionStates0, RenegotiateAt) of + true -> + Connection:renegotiate(State#state{renegotiation = {true, internal}}, + [{next_event, {call, From}, {application_data, Data0}}]); + false -> + {Msgs, ConnectionStates} = ssl_record:encode_data(Data, Version, ConnectionStates0), + Result = Transport:send(Socket, Msgs), + ssl_connection:hibernate_after(connection, State#state{connection_states = ConnectionStates}, + [{reply, From, Result}]) + end. + +read_application_data(Data, #state{user_application = {_Mon, Pid}, + socket = Socket, + protocol_cb = Connection, + transport_cb = Transport, + socket_options = SOpts, + bytes_to_read = BytesToRead, + start_or_recv_from = RecvFrom, + timer = Timer, + user_data_buffer = Buffer0, + tracker = Tracker} = State0) -> + Buffer1 = if + Buffer0 =:= <<>> -> Data; + Data =:= <<>> -> Buffer0; + true -> <<Buffer0/binary, Data/binary>> + end, + case get_data(SOpts, BytesToRead, Buffer1) of + {ok, ClientData, Buffer} -> % Send data + SocketOpt = deliver_app_data(Transport, Socket, SOpts, + ClientData, Pid, RecvFrom, Tracker, Connection), + cancel_timer(Timer), + State = State0#state{user_data_buffer = Buffer, + start_or_recv_from = undefined, + timer = undefined, + bytes_to_read = undefined, + socket_options = SocketOpt + }, + if + SocketOpt#socket_options.active =:= false; Buffer =:= <<>> -> + %% Passive mode, wait for active once or recv + %% Active and empty, get more data + Connection:next_record_if_active(State); + true -> %% We have more data + read_application_data(<<>>, State) + end; + {more, Buffer} -> % no reply, we need more data + Connection:next_record(State0#state{user_data_buffer = Buffer}); + {passive, Buffer} -> + Connection:next_record_if_active(State0#state{user_data_buffer = Buffer}); + {error,_Reason} -> %% Invalid packet in packet mode + deliver_packet_error(Transport, Socket, SOpts, Buffer1, Pid, RecvFrom, Tracker, Connection), + {stop, normal, State0} + end. +%%-------------------------------------------------------------------- +%%% +%%-------------------------------------------------------------------- +handle_alert(#alert{level = ?FATAL} = Alert, StateName, + #state{socket = Socket, transport_cb = Transport, + protocol_cb = Connection, + ssl_options = SslOpts, start_or_recv_from = From, host = Host, + port = Port, session = Session, user_application = {_Mon, Pid}, + role = Role, socket_options = Opts, tracker = Tracker}) -> + invalidate_session(Role, Host, Port, Session), + log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + alert_user(Transport, Tracker, Socket, StateName, Opts, Pid, From, Alert, Role, Connection), + {stop, normal}; + +handle_alert(#alert{level = ?WARNING, description = ?CLOSE_NOTIFY} = Alert, + StateName, State) -> + handle_normal_shutdown(Alert, StateName, State), + {stop, {shutdown, peer_close}}; + +handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName, + #state{ssl_options = SslOpts, renegotiation = {true, internal}} = State) -> + log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + handle_normal_shutdown(Alert, StateName, State), + {stop, {shutdown, peer_close}}; + +handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName, + #state{ssl_options = SslOpts, renegotiation = {true, From}, + protocol_cb = Connection} = State0) -> + log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + gen_statem:reply(From, {error, renegotiation_rejected}), + {Record, State} = Connection:next_record(State0), + %% Go back to connection! + Connection:next_event(connection, Record, State); + +%% Gracefully log and ignore all other warning alerts +handle_alert(#alert{level = ?WARNING} = Alert, StateName, + #state{ssl_options = SslOpts, protocol_cb = Connection} = State0) -> + log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + {Record, State} = Connection:next_record(State0), + Connection:next_event(StateName, Record, State). + %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- @@ -1101,7 +1215,7 @@ new_server_hello(#server_hello{cipher_suite = CipherSuite, Connection:next_event(certify, Record, State) catch #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, hello, State0) + handle_own_alert(Alert, Version, hello, State0) end. resumed_server_hello(#state{session = Session, @@ -1118,7 +1232,7 @@ resumed_server_hello(#state{session = Session, {Record, State} = Connection:next_record(State2), Connection:next_event(abbreviated, Record, State); #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, hello, State0) + handle_own_alert(Alert, Version, hello, State0) end. server_hello(ServerHello, State0, Connection) -> @@ -1207,7 +1321,7 @@ client_certify_and_key_exchange(#state{negotiated_version = Version} = Connection:next_event(cipher, Record, State) catch throw:#alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, certify, State0) + handle_own_alert(Alert, Version, certify, State0) end. do_client_certify_and_key_exchange(State0, Connection) -> @@ -1571,7 +1685,7 @@ calculate_master_secret(PremasterSecret, {Record, State} = Connection:next_record(State1), Connection:next_event(Next, Record, State); #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, certify, State0) + handle_own_alert(Alert, Version, certify, State0) end. finalize_handshake(State0, StateName, Connection) -> @@ -1987,7 +2101,7 @@ handle_resumed_session(SessId, #state{connection_states = ConnectionStates0, session = Session}), Connection:next_event(abbreviated, Record, State); #alert{} = Alert -> - Connection:handle_own_alert(Alert, Version, hello, State0) + handle_own_alert(Alert, Version, hello, State0) end. make_premaster_secret({MajVer, MinVer}, rsa) -> @@ -2054,7 +2168,7 @@ handle_active_option(_, StateName, To, Reply, #state{user_data_buffer = <<>>} = %% user_data_buffer =/= <<>> handle_active_option(_, StateName0, To, Reply, #state{protocol_cb = Connection} = State0) -> - case Connection:read_application_data(<<>>, State0) of + case read_application_data(<<>>, State0) of {stop, Reason, State} -> {stop, Reason, State}; {Record, State1} -> @@ -2068,3 +2182,225 @@ handle_active_option(_, StateName0, To, Reply, #state{protocol_cb = Connection} Stop end end. + +encode_packet(Data, #socket_options{packet=Packet}) -> + case Packet of + 1 -> encode_size_packet(Data, 8, (1 bsl 8) - 1); + 2 -> encode_size_packet(Data, 16, (1 bsl 16) - 1); + 4 -> encode_size_packet(Data, 32, (1 bsl 32) - 1); + _ -> Data + end. + +encode_size_packet(Bin, Size, Max) -> + Len = erlang:byte_size(Bin), + case Len > Max of + true -> throw({error, {badarg, {packet_to_large, Len, Max}}}); + false -> <<Len:Size, Bin/binary>> + end. + +time_to_renegotiate(_Data, + #connection_states{current_write = + #connection_state{sequence_number = Num}}, + RenegotiateAt) -> + + %% We could do test: + %% is_time_to_renegotiate((erlang:byte_size(_Data) div ?MAX_PLAIN_TEXT_LENGTH) + 1, RenegotiateAt), + %% but we chose to have a some what lower renegotiateAt and a much cheaper test + is_time_to_renegotiate(Num, RenegotiateAt). + +is_time_to_renegotiate(N, M) when N < M-> + false; +is_time_to_renegotiate(_,_) -> + true. + + +%% Picks ClientData +get_data(_, _, <<>>) -> + {more, <<>>}; +%% Recv timed out save buffer data until next recv +get_data(#socket_options{active=false}, undefined, Buffer) -> + {passive, Buffer}; +get_data(#socket_options{active=Active, packet=Raw}, BytesToRead, Buffer) + when Raw =:= raw; Raw =:= 0 -> %% Raw Mode + if + Active =/= false orelse BytesToRead =:= 0 -> + %% Active true or once, or passive mode recv(0) + {ok, Buffer, <<>>}; + byte_size(Buffer) >= BytesToRead -> + %% Passive Mode, recv(Bytes) + <<Data:BytesToRead/binary, Rest/binary>> = Buffer, + {ok, Data, Rest}; + true -> + %% Passive Mode not enough data + {more, Buffer} + end; +get_data(#socket_options{packet=Type, packet_size=Size}, _, Buffer) -> + PacketOpts = [{packet_size, Size}], + case decode_packet(Type, Buffer, PacketOpts) of + {more, _} -> + {more, Buffer}; + Decoded -> + Decoded + end. + +decode_packet({http, headers}, Buffer, PacketOpts) -> + decode_packet(httph, Buffer, PacketOpts); +decode_packet({http_bin, headers}, Buffer, PacketOpts) -> + decode_packet(httph_bin, Buffer, PacketOpts); +decode_packet(Type, Buffer, PacketOpts) -> + erlang:decode_packet(Type, Buffer, PacketOpts). + +%% Just like with gen_tcp sockets, an ssl socket that has been configured with +%% {packet, http} (or {packet, http_bin}) will automatically switch to expect +%% HTTP headers after it sees a HTTP Request or HTTP Response line. We +%% represent the current state as follows: +%% #socket_options.packet =:= http: Expect a HTTP Request/Response line +%% #socket_options.packet =:= {http, headers}: Expect HTTP Headers +%% 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(Transport, Socket, SOpts = #socket_options{active=Active, packet=Type}, + Data, Pid, From, Tracker, Connection) -> + send_or_reply(Active, Pid, From, format_reply(Transport, Socket, SOpts, Data, Tracker, Connection)), + SO = case Data of + {P, _, _, _} when ((P =:= http_request) or (P =:= http_response)), + ((Type =:= http) or (Type =:= http_bin)) -> + SOpts#socket_options{packet={Type, headers}}; + http_eoh when tuple_size(Type) =:= 2 -> + % End of headers - expect another Request/Response line + {Type1, headers} = Type, + SOpts#socket_options{packet=Type1}; + _ -> + SOpts + end, + case Active of + once -> + SO#socket_options{active=false}; + _ -> + SO + end. + +format_reply(_, _,#socket_options{active = false, mode = Mode, packet = Packet, + header = Header}, Data, _, _) -> + {ok, do_format_reply(Mode, Packet, Header, Data)}; +format_reply(Transport, Socket, #socket_options{active = _, mode = Mode, packet = Packet, + header = Header}, Data, Tracker, Connection) -> + {ssl, ssl_socket:socket(self(), Transport, Socket, Connection, Tracker), + do_format_reply(Mode, Packet, Header, Data)}. + +deliver_packet_error(Transport, Socket, SO= #socket_options{active = Active}, Data, Pid, From, Tracker, Connection) -> + send_or_reply(Active, Pid, From, format_packet_error(Transport, Socket, SO, Data, Tracker, Connection)). + +format_packet_error(_, _,#socket_options{active = false, mode = Mode}, Data, _, _) -> + {error, {invalid_packet, do_format_reply(Mode, raw, 0, Data)}}; +format_packet_error(Transport, Socket, #socket_options{active = _, mode = Mode}, Data, Tracker, Connection) -> + {ssl_error, ssl_socket:socket(self(), Transport, Socket, Connection, Tracker), + {invalid_packet, do_format_reply(Mode, raw, 0, Data)}}. + +do_format_reply(binary, _, N, Data) when N > 0 -> % Header mode + header(N, Data); +do_format_reply(binary, _, _, Data) -> + 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; +do_format_reply(list, _,_, Data) -> + binary_to_list(Data). + +header(0, <<>>) -> + <<>>; +header(_, <<>>) -> + []; +header(0, Binary) -> + Binary; +header(N, Binary) -> + <<?BYTE(ByteN), NewBinary/binary>> = Binary, + [ByteN | header(N-1, NewBinary)]. + +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, _, _) -> + ok; +send_or_reply(_, Pid, _From, Data) -> + send_user(Pid, Data). + +send_user(Pid, Msg) -> + Pid ! Msg. + +alert_user(Transport, Tracker, Socket, connection, Opts, Pid, From, Alert, Role, Connection) -> + alert_user(Transport, Tracker, Socket, Opts#socket_options.active, Pid, From, Alert, Role, Connection); +alert_user(Transport, Tracker, Socket,_, _, _, From, Alert, Role, Connection) -> + alert_user(Transport, Tracker, Socket, From, Alert, Role, Connection). + +alert_user(Transport, Tracker, Socket, From, Alert, Role, Connection) -> + alert_user(Transport, Tracker, Socket, false, no_pid, From, Alert, Role, Connection). + +alert_user(_, _, _, false = Active, Pid, From, Alert, Role, _) when From =/= undefined -> + %% 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(Transport, Tracker, Socket, Active, Pid, From, Alert, Role, Connection) -> + case ssl_alert:reason_code(Alert, Role) of + closed -> + send_or_reply(Active, Pid, From, + {ssl_closed, ssl_socket:socket(self(), + Transport, Socket, Connection, Tracker)}); + ReasonCode -> + send_or_reply(Active, Pid, From, + {ssl_error, ssl_socket:socket(self(), + Transport, Socket, Connection, Tracker), ReasonCode}) + end. + +log_alert(true, Info, Alert) -> + Txt = ssl_alert:alert_txt(Alert), + error_logger:format("SSL: ~p: ~s\n", [Info, Txt]); +log_alert(false, _, _) -> + ok. + +handle_own_alert(Alert, Version, StateName, + #state{transport_cb = Transport, + socket = Socket, + connection_states = ConnectionStates, + ssl_options = SslOpts} = State) -> + try %% Try to tell the other side + {BinMsg, _} = + ssl_alert:encode(Alert, Version, ConnectionStates), + Transport:send(Socket, BinMsg) + catch _:_ -> %% Can crash if we are in a uninitialized state + ignore + end, + try %% Try to tell the local user + log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + handle_normal_shutdown(Alert,StateName, State) + catch _:_ -> + ok + end, + {stop, {shutdown, own_alert}}. + +handle_normal_shutdown(Alert, _, #state{socket = Socket, + transport_cb = Transport, + protocol_cb = Connection, + start_or_recv_from = StartFrom, + tracker = Tracker, + role = Role, renegotiation = {false, first}}) -> + alert_user(Transport, Tracker,Socket, StartFrom, Alert, Role, Connection); + +handle_normal_shutdown(Alert, StateName, #state{socket = Socket, + socket_options = Opts, + transport_cb = Transport, + protocol_cb = Connection, + user_application = {_Mon, Pid}, + tracker = Tracker, + start_or_recv_from = RecvFrom, role = Role}) -> + alert_user(Transport, Tracker, Socket, StateName, Opts, Pid, RecvFrom, Alert, Role, Connection). + +invalidate_session(client, Host, Port, Session) -> + ssl_manager:invalidate_session(Host, Port, Session); +invalidate_session(server, _, Port, Session) -> + ssl_manager:invalidate_session(Port, Session). diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl index a24b99f207..70563096b7 100644 --- a/lib/ssl/src/tls_connection.erl +++ b/lib/ssl/src/tls_connection.erl @@ -54,14 +54,10 @@ reinit_handshake_data/1, handle_sni_extension/2]). %% Alert and close handling --export([send_alert/2, handle_own_alert/4, handle_close_alert/3, - handle_normal_shutdown/3, - close/5, alert_user/6, alert_user/9 - ]). +-export([send_alert/2, close/5]). %% Data handling --export([write_application_data/3, read_application_data/2, - passive_receive/2, next_record_if_active/1, handle_common_event/4]). +-export([passive_receive/2, next_record_if_active/1, handle_common_event/4]). %% gen_statem state functions -export([init/3, error/3, downgrade/3, %% Initiation and take down states @@ -251,7 +247,7 @@ hello(internal, #client_hello{client_version = ClientVersion, case tls_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb, ConnectionStates0, Cert, KeyExAlg}, Renegotiation) of #alert{} = Alert -> - handle_own_alert(Alert, ClientVersion, hello, State); + ssl_connection:handle_own_alert(Alert, ClientVersion, hello, State); {Version, {Type, Session}, ConnectionStates, Protocol0, ServerHelloExt, HashSign} -> Protocol = case Protocol0 of @@ -275,7 +271,7 @@ hello(internal, #server_hello{} = Hello, ssl_options = SslOptions} = State) -> case tls_handshake:hello(Hello, SslOptions, ConnectionStates0, Renegotiation) of #alert{} = Alert -> - handle_own_alert(Alert, ReqVersion, hello, State); + ssl_connection:handle_own_alert(Alert, ReqVersion, hello, State); {Version, NewId, ConnectionStates, ProtoExt, Protocol} -> ssl_connection:handle_session(Hello, Version, NewId, ConnectionStates, ProtoExt, Protocol, State) @@ -375,7 +371,7 @@ handle_info({Protocol, _, Data}, StateName, {Record, State} -> next_event(StateName, Record, State); #alert{} = Alert -> - handle_normal_shutdown(Alert, StateName, State0), + ssl_connection:handle_normal_shutdown(Alert, StateName, State0), {stop, {shutdown, own_alert}} end; handle_info({CloseTag, Socket}, StateName, @@ -395,14 +391,14 @@ handle_info({CloseTag, Socket}, StateName, %%invalidate_session(Role, Host, Port, Session) ok end, - handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State), + ssl_connection:handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State), {stop, {shutdown, transport_closed}}; handle_info(Msg, StateName, State) -> ssl_connection:handle_info(Msg, StateName, State). handle_common_event(internal, #alert{} = Alert, StateName, #state{negotiated_version = Version} = State) -> - handle_own_alert(Alert, Version, StateName, State); + ssl_connection:handle_own_alert(Alert, Version, StateName, State); %%% TLS record protocol level handshake messages handle_common_event(internal, #ssl_tls{type = ?HANDSHAKE, fragment = Data}, @@ -423,7 +419,7 @@ handle_common_event(internal, #ssl_tls{type = ?HANDSHAKE, fragment = Data}, {next_state, StateName, State, Events} end catch throw:#alert{} = Alert -> - handle_own_alert(Alert, Version, StateName, State0) + ssl_connection:handle_own_alert(Alert, Version, StateName, State0) end; %%% TLS record protocol level application data messages handle_common_event(internal, #ssl_tls{type = ?APPLICATION_DATA, fragment = Data}, StateName, State) -> @@ -438,12 +434,15 @@ handle_common_event(internal, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, Sta Alerts = [_|_] -> handle_alerts(Alerts, {next_state, StateName, State}); [] -> - handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, empty_alert), Version, StateName, State); + ssl_connection:handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, empty_alert), + Version, StateName, State); #alert{} = Alert -> - handle_own_alert(Alert, Version, StateName, State) + ssl_connection:handle_own_alert(Alert, Version, StateName, State) catch _:_ -> - handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, alert_decode_error), Version, StateName, State) + ssl_connection:handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, alert_decode_error), + Version, StateName, State) + end; %% Ignore unknown TLS record level protocol messages handle_common_event(internal, #ssl_tls{type = _Unknown}, StateName, State) -> @@ -586,7 +585,7 @@ passive_receive(State0 = #state{user_data_buffer = Buffer}, StateName) -> {Record, State} = next_record(State0), next_event(StateName, Record, State); _ -> - {Record, State} = read_application_data(<<>>, State0), + {Record, State} = ssl_connection:read_application_data(<<>>, State0), next_event(StateName, Record, State) end. @@ -612,164 +611,6 @@ next_event(StateName, Record, State, Actions) -> {next_state, StateName, State, [{next_event, internal, Alert} | Actions]} end. -read_application_data(Data, #state{user_application = {_Mon, Pid}, - socket = Socket, - transport_cb = Transport, - socket_options = SOpts, - bytes_to_read = BytesToRead, - start_or_recv_from = RecvFrom, - timer = Timer, - user_data_buffer = Buffer0, - tracker = Tracker} = State0) -> - Buffer1 = if - Buffer0 =:= <<>> -> Data; - Data =:= <<>> -> Buffer0; - true -> <<Buffer0/binary, Data/binary>> - end, - case get_data(SOpts, BytesToRead, Buffer1) of - {ok, ClientData, Buffer} -> % Send data - SocketOpt = deliver_app_data(Transport, Socket, SOpts, ClientData, Pid, RecvFrom, Tracker), - cancel_timer(Timer), - State = State0#state{user_data_buffer = Buffer, - start_or_recv_from = undefined, - timer = undefined, - bytes_to_read = undefined, - socket_options = SocketOpt - }, - if - SocketOpt#socket_options.active =:= false; Buffer =:= <<>> -> - %% Passive mode, wait for active once or recv - %% Active and empty, get more data - next_record_if_active(State); - true -> %% We have more data - read_application_data(<<>>, State) - end; - {more, Buffer} -> % no reply, we need more data - next_record(State0#state{user_data_buffer = Buffer}); - {passive, Buffer} -> - next_record_if_active(State0#state{user_data_buffer = Buffer}); - {error,_Reason} -> %% Invalid packet in packet mode - deliver_packet_error(Transport, Socket, SOpts, Buffer1, Pid, RecvFrom, Tracker), - {stop, normal, State0} - end. - -%% Picks ClientData -get_data(_, _, <<>>) -> - {more, <<>>}; -%% Recv timed out save buffer data until next recv -get_data(#socket_options{active=false}, undefined, Buffer) -> - {passive, Buffer}; -get_data(#socket_options{active=Active, packet=Raw}, BytesToRead, Buffer) - when Raw =:= raw; Raw =:= 0 -> %% Raw Mode - if - Active =/= false orelse BytesToRead =:= 0 -> - %% Active true or once, or passive mode recv(0) - {ok, Buffer, <<>>}; - byte_size(Buffer) >= BytesToRead -> - %% Passive Mode, recv(Bytes) - <<Data:BytesToRead/binary, Rest/binary>> = Buffer, - {ok, Data, Rest}; - true -> - %% Passive Mode not enough data - {more, Buffer} - end; -get_data(#socket_options{packet=Type, packet_size=Size}, _, Buffer) -> - PacketOpts = [{packet_size, Size}], - case decode_packet(Type, Buffer, PacketOpts) of - {more, _} -> - {more, Buffer}; - Decoded -> - Decoded - end. - -decode_packet({http, headers}, Buffer, PacketOpts) -> - decode_packet(httph, Buffer, PacketOpts); -decode_packet({http_bin, headers}, Buffer, PacketOpts) -> - decode_packet(httph_bin, Buffer, PacketOpts); -decode_packet(Type, Buffer, PacketOpts) -> - erlang:decode_packet(Type, Buffer, PacketOpts). - -%% Just like with gen_tcp sockets, an ssl socket that has been configured with -%% {packet, http} (or {packet, http_bin}) will automatically switch to expect -%% HTTP headers after it sees a HTTP Request or HTTP Response line. We -%% represent the current state as follows: -%% #socket_options.packet =:= http: Expect a HTTP Request/Response line -%% #socket_options.packet =:= {http, headers}: Expect HTTP Headers -%% 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(Transport, Socket, SOpts = #socket_options{active=Active, packet=Type}, - Data, Pid, From, Tracker) -> - send_or_reply(Active, Pid, From, format_reply(Transport, Socket, SOpts, Data, Tracker)), - SO = case Data of - {P, _, _, _} when ((P =:= http_request) or (P =:= http_response)), - ((Type =:= http) or (Type =:= http_bin)) -> - SOpts#socket_options{packet={Type, headers}}; - http_eoh when tuple_size(Type) =:= 2 -> - % End of headers - expect another Request/Response line - {Type1, headers} = Type, - SOpts#socket_options{packet=Type1}; - _ -> - SOpts - end, - case Active of - once -> - SO#socket_options{active=false}; - _ -> - SO - end. - -format_reply(_, _,#socket_options{active = false, mode = Mode, packet = Packet, - header = Header}, Data, _) -> - {ok, do_format_reply(Mode, Packet, Header, Data)}; -format_reply(Transport, Socket, #socket_options{active = _, mode = Mode, packet = Packet, - header = Header}, Data, Tracker) -> - {ssl, ssl_socket:socket(self(), Transport, Socket, ?MODULE, Tracker), - do_format_reply(Mode, Packet, Header, Data)}. - -deliver_packet_error(Transport, Socket, SO= #socket_options{active = Active}, Data, Pid, From, Tracker) -> - send_or_reply(Active, Pid, From, format_packet_error(Transport, Socket, SO, Data, Tracker)). - -format_packet_error(_, _,#socket_options{active = false, mode = Mode}, Data, _) -> - {error, {invalid_packet, do_format_reply(Mode, raw, 0, Data)}}; -format_packet_error(Transport, Socket, #socket_options{active = _, mode = Mode}, Data, Tracker) -> - {ssl_error, ssl_socket:socket(self(), Transport, Socket, ?MODULE, Tracker), - {invalid_packet, do_format_reply(Mode, raw, 0, Data)}}. - -do_format_reply(binary, _, N, Data) when N > 0 -> % Header mode - header(N, Data); -do_format_reply(binary, _, _, Data) -> - 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; -do_format_reply(list, _,_, Data) -> - binary_to_list(Data). - -header(0, <<>>) -> - <<>>; -header(_, <<>>) -> - []; -header(0, Binary) -> - Binary; -header(N, Binary) -> - <<?BYTE(ByteN), NewBinary/binary>> = Binary, - [ByteN | header(N-1, NewBinary)]. - -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, _, _) -> - ok; -send_or_reply(_, Pid, _From, Data) -> - send_user(Pid, Data). - -send_user(Pid, Msg) -> - Pid ! Msg. - tls_handshake_events([]) -> throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, malformed_handshake)); tls_handshake_events(Packets) -> @@ -777,55 +618,7 @@ tls_handshake_events(Packets) -> {next_event, internal, {handshake, Packet}} end, Packets). -write_application_data(Data0, From, - #state{socket = Socket, - negotiated_version = Version, - transport_cb = Transport, - connection_states = ConnectionStates0, - socket_options = SockOpts, - ssl_options = #ssl_options{renegotiate_at = RenegotiateAt}} = State) -> - Data = encode_packet(Data0, SockOpts), - - case time_to_renegotiate(Data, ConnectionStates0, RenegotiateAt) of - true -> - renegotiate(State#state{renegotiation = {true, internal}}, - [{next_event, {call, From}, {application_data, Data0}}]); - false -> - {Msgs, ConnectionStates} = ssl_record:encode_data(Data, Version, ConnectionStates0), - Result = Transport:send(Socket, Msgs), - ssl_connection:hibernate_after(connection, State#state{connection_states = ConnectionStates}, - [{reply, From, Result}]) - end. - -encode_packet(Data, #socket_options{packet=Packet}) -> - case Packet of - 1 -> encode_size_packet(Data, 8, (1 bsl 8) - 1); - 2 -> encode_size_packet(Data, 16, (1 bsl 16) - 1); - 4 -> encode_size_packet(Data, 32, (1 bsl 32) - 1); - _ -> Data - end. - -encode_size_packet(Bin, Size, Max) -> - Len = erlang:byte_size(Bin), - case Len > Max of - true -> throw({error, {badarg, {packet_to_large, Len, Max}}}); - false -> <<Len:Size, Bin/binary>> - end. -time_to_renegotiate(_Data, - #connection_states{current_write = - #connection_state{sequence_number = Num}}, - RenegotiateAt) -> - - %% We could do test: - %% is_time_to_renegotiate((erlang:byte_size(_Data) div ?MAX_PLAIN_TEXT_LENGTH) + 1, RenegotiateAt), - %% but we chose to have a some what lower renegotiateAt and a much cheaper test - is_time_to_renegotiate(Num, RenegotiateAt). - -is_time_to_renegotiate(N, M) when N < M-> - false; -is_time_to_renegotiate(_,_) -> - true. renegotiate(#state{role = client} = State, Actions) -> %% Handle same way as if server requested %% the renegotiation @@ -855,131 +648,10 @@ handle_alerts([], Result) -> handle_alerts(_, {stop,_} = Stop) -> Stop; handle_alerts([Alert | Alerts], {next_state, StateName, State}) -> - handle_alerts(Alerts, handle_alert(Alert, StateName, State)); + handle_alerts(Alerts, ssl_connection:handle_alert(Alert, StateName, State)); handle_alerts([Alert | Alerts], {next_state, StateName, State, _Actions}) -> - handle_alerts(Alerts, handle_alert(Alert, StateName, State)). -handle_alert(#alert{level = ?FATAL} = Alert, StateName, - #state{socket = Socket, transport_cb = Transport, - ssl_options = SslOpts, start_or_recv_from = From, host = Host, - port = Port, session = Session, user_application = {_Mon, Pid}, - role = Role, socket_options = Opts, tracker = Tracker}) -> - invalidate_session(Role, Host, Port, Session), - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), - alert_user(Transport, Tracker, Socket, StateName, Opts, Pid, From, Alert, Role), - {stop, normal}; - -handle_alert(#alert{level = ?WARNING, description = ?CLOSE_NOTIFY} = Alert, - StateName, State) -> - handle_normal_shutdown(Alert, StateName, State), - {stop, {shutdown, peer_close}}; - -handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName, - #state{ssl_options = SslOpts, renegotiation = {true, internal}} = State) -> - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), - handle_normal_shutdown(Alert, StateName, State), - {stop, {shutdown, peer_close}}; - -handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName, - #state{ssl_options = SslOpts, renegotiation = {true, From}} = State0) -> - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), - gen_statem:reply(From, {error, renegotiation_rejected}), - {Record, State} = next_record(State0), - %% Go back to connection! - next_event(connection, Record, State); - -%% Gracefully log and ignore all other warning alerts -handle_alert(#alert{level = ?WARNING} = Alert, StateName, - #state{ssl_options = SslOpts} = State0) -> - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), - {Record, State} = next_record(State0), - next_event(StateName, Record, State). - -alert_user(Transport, Tracker, Socket, connection, Opts, Pid, From, Alert, Role) -> - alert_user(Transport, Tracker, Socket, Opts#socket_options.active, Pid, From, Alert, Role); -alert_user(Transport, Tracker, Socket,_, _, _, From, Alert, Role) -> - alert_user(Transport, Tracker, Socket, From, Alert, Role). - -alert_user(Transport, Tracker, Socket, From, Alert, Role) -> - alert_user(Transport, Tracker, Socket, false, no_pid, From, Alert, Role). - -alert_user(_, _, _, false = Active, Pid, From, Alert, Role) when From =/= undefined -> - %% 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(Transport, Tracker, Socket, Active, Pid, From, Alert, Role) -> - case ssl_alert:reason_code(Alert, Role) of - closed -> - send_or_reply(Active, Pid, From, - {ssl_closed, ssl_socket:socket(self(), - Transport, Socket, ?MODULE, Tracker)}); - ReasonCode -> - send_or_reply(Active, Pid, From, - {ssl_error, ssl_socket:socket(self(), - Transport, Socket, ?MODULE, Tracker), ReasonCode}) - end. - -log_alert(true, Info, Alert) -> - Txt = ssl_alert:alert_txt(Alert), - error_logger:format("SSL: ~p: ~s\n", [Info, Txt]); -log_alert(false, _, _) -> - ok. - -handle_own_alert(Alert, Version, StateName, - #state{transport_cb = Transport, - socket = Socket, - connection_states = ConnectionStates, - ssl_options = SslOpts} = State) -> - try %% Try to tell the other side - {BinMsg, _} = - ssl_alert:encode(Alert, Version, ConnectionStates), - Transport:send(Socket, BinMsg) - catch _:_ -> %% Can crash if we are in a uninitialized state - ignore - end, - try %% Try to tell the local user - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), - handle_normal_shutdown(Alert,StateName, State) - catch _:_ -> - ok - end, - {stop, {shutdown, own_alert}}. - -handle_normal_shutdown(Alert, _, #state{socket = Socket, - transport_cb = Transport, - start_or_recv_from = StartFrom, - tracker = Tracker, - role = Role, renegotiation = {false, first}}) -> - alert_user(Transport, Tracker,Socket, StartFrom, Alert, Role); - -handle_normal_shutdown(Alert, StateName, #state{socket = Socket, - socket_options = Opts, - transport_cb = Transport, - user_application = {_Mon, Pid}, - tracker = Tracker, - start_or_recv_from = RecvFrom, role = Role}) -> - alert_user(Transport, Tracker, Socket, StateName, Opts, Pid, RecvFrom, Alert, Role). - -handle_close_alert(Data, StateName, State0) -> - case next_tls_record(Data, State0) of - {#ssl_tls{type = ?ALERT, fragment = EncAlerts}, State} -> - [Alert|_] = decode_alerts(EncAlerts), - handle_normal_shutdown(Alert, StateName, State); - _ -> - ok - end. - -cancel_timer(undefined) -> - ok; -cancel_timer(Timer) -> - erlang:cancel_timer(Timer), - ok. + handle_alerts(Alerts, ssl_connection:handle_alert(Alert, StateName, State)). -invalidate_session(client, Host, Port, Session) -> - ssl_manager:invalidate_session(Host, Port, Session); -invalidate_session(server, _, Port, Session) -> - ssl_manager:invalidate_session(Port, Session). %% User closes or recursive call! close({close, Timeout}, Socket, Transport = gen_tcp, _,_) -> |