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-rw-r--r--lib/ssl/src/ssl_connection.erl532
1 files changed, 440 insertions, 92 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 94e756d5f6..4b3a6cde01 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2013-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2013-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -37,7 +37,9 @@
-include_lib("public_key/include/public_key.hrl").
%% Setup
--export([connect/8, ssl_accept/7, handshake/2, handshake/3,
+
+-export([connect/8, handshake/7, handshake/2, handshake/3,
+ handshake_continue/3, handshake_cancel/1,
socket_control/4, socket_control/5, start_or_recv_cancel_timer/2]).
%% User Events
@@ -49,7 +51,7 @@
%% Alert and close handling
-export([handle_own_alert/4, handle_alert/3,
- handle_normal_shutdown/3
+ handle_normal_shutdown/3, stop/2, stop_and_reply/3
]).
%% Data handling
@@ -57,15 +59,19 @@
%% Help functions for tls|dtls_connection.erl
-export([handle_session/7, ssl_config/3,
- prepare_connection/2, hibernate_after/3]).
+ prepare_connection/2, hibernate_after/3, map_extensions/1]).
%% General gen_statem state functions with extra callback argument
%% to determine if it is an SSL/TLS or DTLS gen_statem machine
--export([init/4, error/4, hello/4, abbreviated/4, certify/4, cipher/4, connection/4, downgrade/4]).
+-export([init/4, error/4, hello/4, user_hello/4, abbreviated/4, certify/4, cipher/4,
+ connection/4, death_row/4, downgrade/4]).
%% gen_statem callbacks
-export([terminate/3, format_status/2]).
+%% Erlang Distribution export
+-export([get_sslsocket/1, handshake_complete/3]).
+
%%====================================================================
%% Setup
%%====================================================================
@@ -89,7 +95,7 @@ connect(Connection, Host, Port, Socket, Options, User, CbInfo, Timeout) ->
{error, ssl_not_started}
end.
%%--------------------------------------------------------------------
--spec ssl_accept(tls_connection | dtls_connection,
+-spec handshake(tls_connection | dtls_connection,
inet:port_number(), port(),
{#ssl_options{}, #socket_options{}, undefined | pid()},
pid(), tuple(), timeout()) ->
@@ -98,7 +104,7 @@ connect(Connection, Host, Port, Socket, Options, User, CbInfo, Timeout) ->
%% Description: Performs accept on an ssl listen socket. e.i. performs
%% ssl handshake.
%%--------------------------------------------------------------------
-ssl_accept(Connection, Port, Socket, Opts, User, CbInfo, Timeout) ->
+handshake(Connection, Port, Socket, Opts, User, CbInfo, Timeout) ->
try Connection:start_fsm(server, "localhost", Port, Socket, Opts, User,
CbInfo, Timeout)
catch
@@ -107,32 +113,60 @@ ssl_accept(Connection, Port, Socket, Opts, User, CbInfo, Timeout) ->
end.
%%--------------------------------------------------------------------
--spec handshake(#sslsocket{}, timeout()) -> ok | {error, reason()}.
+-spec handshake(#sslsocket{}, timeout()) -> {ok, #sslsocket{}} |
+ {ok, #sslsocket{}, map()}| {error, reason()}.
%%
%% Description: Starts ssl handshake.
%%--------------------------------------------------------------------
-handshake(#sslsocket{pid = Pid}, Timeout) ->
+handshake(#sslsocket{pid = Pid} = Socket, Timeout) ->
case call(Pid, {start, Timeout}) of
connected ->
- ok;
+ {ok, Socket};
+ {ok, Ext} ->
+ {ok, Socket, Ext};
Error ->
Error
end.
%%--------------------------------------------------------------------
-spec handshake(#sslsocket{}, {#ssl_options{},#socket_options{}},
- timeout()) -> ok | {error, reason()}.
+ timeout()) -> {ok, #sslsocket{}} | {error, reason()}.
%%
%% Description: Starts ssl handshake with some new options
%%--------------------------------------------------------------------
-handshake(#sslsocket{pid = Pid}, SslOptions, Timeout) ->
+handshake(#sslsocket{pid = Pid} = Socket, SslOptions, Timeout) ->
case call(Pid, {start, SslOptions, Timeout}) of
connected ->
- ok;
+ {ok, Socket};
Error ->
Error
end.
+%%--------------------------------------------------------------------
+-spec handshake_continue(#sslsocket{}, [ssl_option()],
+ timeout()) -> {ok, #sslsocket{}}| {error, reason()}.
+%%
+%% Description: Continues handshake with new options
+%%--------------------------------------------------------------------
+handshake_continue(#sslsocket{pid = Pid} = Socket, SslOptions, Timeout) ->
+ case call(Pid, {handshake_continue, SslOptions, Timeout}) of
+ connected ->
+ {ok, Socket};
+ Error ->
+ Error
+ end.
+%%--------------------------------------------------------------------
+-spec handshake_cancel(#sslsocket{}) -> ok | {error, reason()}.
+%%
+%% Description: Cancels connection
+%%--------------------------------------------------------------------
+handshake_cancel(#sslsocket{pid = Pid}) ->
+ case call(Pid, cancel) of
+ closed ->
+ ok;
+ Error ->
+ Error
+ end.
%--------------------------------------------------------------------
-spec socket_control(tls_connection | dtls_connection, port(), pid(), atom()) ->
{ok, #sslsocket{}} | {error, reason()}.
@@ -146,8 +180,8 @@ socket_control(Connection, Socket, Pid, Transport) ->
-spec socket_control(tls_connection | dtls_connection, port(), pid(), atom(), pid()| undefined) ->
{ok, #sslsocket{}} | {error, reason()}.
%%--------------------------------------------------------------------
-socket_control(Connection, Socket, Pid, Transport, udp_listner) ->
- %% dtls listner process must have the socket control
+socket_control(Connection, Socket, Pid, Transport, udp_listener) ->
+ %% dtls listener process must have the socket control
{ok, Connection:socket(Pid, Transport, Socket, Connection, undefined)};
socket_control(tls_connection = Connection, Socket, Pid, Transport, ListenTracker) ->
@@ -272,6 +306,13 @@ peer_certificate(ConnectionPid) ->
renegotiation(ConnectionPid) ->
call(ConnectionPid, renegotiate).
+
+get_sslsocket(ConnectionPid) ->
+ call(ConnectionPid, get_sslsocket).
+
+handshake_complete(ConnectionPid, Node, DHandle) ->
+ call(ConnectionPid, {handshake_complete, Node, DHandle}).
+
%%--------------------------------------------------------------------
-spec prf(pid(), binary() | 'master_secret', binary(),
[binary() | ssl:prf_random()], non_neg_integer()) ->
@@ -305,7 +346,7 @@ handle_own_alert(Alert, Version, StateName,
catch _:_ ->
ok
end,
- {stop, {shutdown, own_alert}}.
+ stop({shutdown, own_alert}, State).
handle_normal_shutdown(Alert, _, #state{socket = Socket,
transport_cb = Transport,
@@ -329,24 +370,24 @@ handle_alert(#alert{level = ?FATAL} = Alert, StateName,
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}) ->
+ role = Role, socket_options = Opts, tracker = Tracker} = State) ->
invalidate_session(Role, Host, Port, Session),
log_alert(SslOpts#ssl_options.log_alert, Role, Connection:protocol_name(),
StateName, Alert#alert{role = opposite_role(Role)}),
alert_user(Transport, Tracker, Socket, StateName, Opts, Pid, From, Alert, Role, Connection),
- {stop, normal};
+ stop(normal, State);
handle_alert(#alert{level = ?WARNING, description = ?CLOSE_NOTIFY} = Alert,
StateName, State) ->
handle_normal_shutdown(Alert, StateName, State),
- {stop, {shutdown, peer_close}};
+ stop({shutdown, peer_close}, State);
handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName,
#state{role = Role, ssl_options = SslOpts, protocol_cb = Connection, renegotiation = {true, internal}} = State) ->
log_alert(SslOpts#ssl_options.log_alert, Role,
Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}),
handle_normal_shutdown(Alert, StateName, State),
- {stop, {shutdown, peer_close}};
+ stop({shutdown, peer_close}, State);
handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName,
#state{role = Role,
@@ -371,7 +412,7 @@ handle_alert(#alert{level = ?WARNING} = Alert, StateName,
%%====================================================================
%% Data handling
%%====================================================================
-write_application_data(Data0, From,
+write_application_data(Data0, {FromPid, _} = From,
#state{socket = Socket,
negotiated_version = Version,
protocol_cb = Connection,
@@ -386,10 +427,19 @@ write_application_data(Data0, From,
Connection:renegotiate(State#state{renegotiation = {true, internal}},
[{next_event, {call, From}, {application_data, Data0}}]);
false ->
- {Msgs, ConnectionStates} = Connection:encode_data(Data, Version, ConnectionStates0),
- Result = Connection:send(Transport, Socket, Msgs),
- ssl_connection:hibernate_after(connection, State#state{connection_states = ConnectionStates},
- [{reply, From, Result}])
+ {Msgs, ConnectionStates} =
+ Connection:encode_data(Data, Version, ConnectionStates0),
+ NewState = State#state{connection_states = ConnectionStates},
+ case Connection:send(Transport, Socket, Msgs) of
+ ok when FromPid =:= self() ->
+ hibernate_after(connection, NewState, []);
+ Error when FromPid =:= self() ->
+ stop({shutdown, Error}, NewState);
+ ok ->
+ hibernate_after(connection, NewState, [{reply, From, ok}]);
+ Result ->
+ hibernate_after(connection, NewState, [{reply, From, Result}])
+ end
end.
read_application_data(Data, #state{user_application = {_Mon, Pid},
@@ -409,30 +459,57 @@ 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(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;
+ case State0 of
+ #state{
+ ssl_options = #ssl_options{erl_dist = true},
+ protocol_specific = #{d_handle := DHandle}} ->
+ State =
+ State0#state{
+ user_data_buffer = Buffer,
+ bytes_to_read = undefined},
+ try erlang:dist_ctrl_put_data(DHandle, ClientData) of
+ _
+ when SOpts#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);
+ _ -> %% We have more data
+ read_application_data(<<>>, State)
+ catch error:_ ->
+ death_row(State, disconnect)
+ end;
+ _ ->
+ 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
+ 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}
+ stop(normal, State0)
end.
%%====================================================================
%% Help functions for tls|dtls_connection.erl
@@ -480,6 +557,9 @@ handle_session(#server_hello{cipher_suite = CipherSuite,
-spec ssl_config(#ssl_options{}, client | server, #state{}) -> #state{}.
%%--------------------------------------------------------------------
ssl_config(Opts, Role, State) ->
+ ssl_config(Opts, Role, State, new).
+
+ssl_config(Opts, Role, State0, Type) ->
{ok, #{cert_db_ref := Ref,
cert_db_handle := CertDbHandle,
fileref_db_handle := FileRefHandle,
@@ -489,20 +569,26 @@ ssl_config(Opts, Role, State) ->
dh_params := DHParams,
own_certificate := OwnCert}} =
ssl_config:init(Opts, Role),
- Handshake = ssl_handshake:init_handshake_history(),
TimeStamp = erlang:monotonic_time(),
- Session = State#state.session,
- State#state{tls_handshake_history = Handshake,
- session = Session#session{own_certificate = OwnCert,
- time_stamp = TimeStamp},
- file_ref_db = FileRefHandle,
- cert_db_ref = Ref,
- cert_db = CertDbHandle,
- crl_db = CRLDbHandle,
- session_cache = CacheHandle,
- private_key = Key,
- diffie_hellman_params = DHParams,
- ssl_options = Opts}.
+ Session = State0#state.session,
+ State = State0#state{session = Session#session{own_certificate = OwnCert,
+ time_stamp = TimeStamp},
+ file_ref_db = FileRefHandle,
+ cert_db_ref = Ref,
+ cert_db = CertDbHandle,
+ crl_db = CRLDbHandle,
+ session_cache = CacheHandle,
+ private_key = Key,
+ diffie_hellman_params = DHParams,
+ ssl_options = Opts},
+ case Type of
+ new ->
+ Handshake = ssl_handshake:init_handshake_history(),
+ State#state{tls_handshake_history = Handshake};
+ continue ->
+ State
+ end.
+
%%====================================================================
%% gen_statem general state functions with connection cb argument
@@ -524,11 +610,18 @@ init({call, From}, {start, {Opts, EmOpts}, Timeout},
socket_options = SockOpts} = State0, Connection) ->
try
SslOpts = ssl:handle_options(Opts, OrigSSLOptions),
+ case SslOpts of
+ #ssl_options{erl_dist = true} ->
+ process_flag(priority, max);
+ _ ->
+ ok
+ end,
State = ssl_config(SslOpts, Role, State0),
init({call, From}, {start, Timeout},
- State#state{ssl_options = SslOpts, socket_options = new_emulated(EmOpts, SockOpts)}, Connection)
+ State#state{ssl_options = SslOpts,
+ socket_options = new_emulated(EmOpts, SockOpts)}, Connection)
catch throw:Error ->
- {stop_and_reply, normal, {reply, From, {error, Error}}}
+ stop_and_reply(normal, {reply, From, {error, Error}}, State0)
end;
init({call, From}, Msg, State, Connection) ->
handle_call(Msg, From, ?FUNCTION_NAME, State, Connection);
@@ -541,8 +634,10 @@ init(_Type, _Event, _State, _Connection) ->
tls_connection | dtls_connection) ->
gen_statem:state_function_result().
%%--------------------------------------------------------------------
-error({call, From}, Msg, State, Connection) ->
- handle_call(Msg, From, ?FUNCTION_NAME, State, Connection).
+error({call, From}, {close, _}, State, _Connection) ->
+ stop_and_reply(normal, {reply, From, ok}, State);
+error({call, From}, _Msg, State, _Connection) ->
+ {next_state, ?FUNCTION_NAME, State, [{reply, From, {error, closed}}]}.
%%--------------------------------------------------------------------
-spec hello(gen_statem:event_type(),
@@ -559,6 +654,23 @@ hello(info, Msg, State, _) ->
hello(Type, Msg, State, Connection) ->
handle_common_event(Type, Msg, ?FUNCTION_NAME, State, Connection).
+user_hello({call, From}, cancel, #state{negotiated_version = Version} = State, _) ->
+ gen_statem:reply(From, ok),
+ handle_own_alert(?ALERT_REC(?FATAL, ?USER_CANCELED, user_canceled),
+ Version, ?FUNCTION_NAME, State);
+user_hello({call, From}, {handshake_continue, NewOptions, Timeout}, #state{hello = Hello,
+ role = Role,
+ start_or_recv_from = RecvFrom,
+ ssl_options = Options0} = State0, _Connection) ->
+ Timer = start_or_recv_cancel_timer(Timeout, RecvFrom),
+ Options = ssl:handle_options(NewOptions, Options0#ssl_options{handshake = full}),
+ State = ssl_config(Options, Role, State0, continue),
+ {next_state, hello, State#state{start_or_recv_from = From,
+ timer = Timer},
+ [{next_event, internal, Hello}]};
+user_hello(_, _, _, _) ->
+ {keep_state_and_data, [postpone]}.
+
%%--------------------------------------------------------------------
-spec abbreviated(gen_statem:event_type(),
#hello_request{} | #finished{} | term(),
@@ -686,7 +798,7 @@ certify(internal, #server_key_exchange{exchange_keys = Keys},
when Alg == dhe_dss; Alg == dhe_rsa;
Alg == ecdhe_rsa; Alg == ecdhe_ecdsa;
Alg == dh_anon; Alg == ecdh_anon;
- Alg == psk; Alg == dhe_psk; Alg == rsa_psk;
+ Alg == psk; Alg == dhe_psk; Alg == ecdhe_psk; Alg == rsa_psk;
Alg == srp_dss; Alg == srp_rsa; Alg == srp_anon ->
Params = ssl_handshake:decode_server_key(Keys, Alg, ssl:tls_version(Version)),
@@ -913,7 +1025,7 @@ cipher(Type, Msg, State, Connection) ->
#state{}, tls_connection | dtls_connection) ->
gen_statem:state_function_result().
%%--------------------------------------------------------------------
-connection({call, From}, {application_data, Data},
+connection({call, {FromPid, _} = From}, {application_data, Data},
#state{protocol_cb = Connection} = State, Connection) ->
%% We should look into having a worker process to do this to
%% parallize send and receive decoding and not block the receiver
@@ -921,7 +1033,13 @@ connection({call, From}, {application_data, Data},
try
write_application_data(Data, From, State)
catch throw:Error ->
- hibernate_after(?FUNCTION_NAME, State, [{reply, From, Error}])
+ case self() of
+ FromPid ->
+ stop({shutdown, Error}, State);
+ _ ->
+ hibernate_after(
+ ?FUNCTION_NAME, State, [{reply, From, Error}])
+ end
end;
connection({call, RecvFrom}, {recv, N, Timeout},
#state{protocol_cb = Connection, socket_options =
@@ -949,8 +1067,64 @@ connection({call, From}, negotiated_protocol,
#state{negotiated_protocol = SelectedProtocol} = State, _) ->
hibernate_after(?FUNCTION_NAME, State,
[{reply, From, {ok, SelectedProtocol}}]);
+connection(
+ {call, From}, {handshake_complete, _Node, DHandle},
+ #state{
+ ssl_options = #ssl_options{erl_dist = true},
+ socket_options = SockOpts,
+ protocol_specific = ProtocolSpecific} = State,
+ Connection) ->
+ %% From now on we execute on normal priority
+ process_flag(priority, normal),
+ try erlang:dist_ctrl_get_data_notification(DHandle) of
+ _ ->
+ NewState =
+ State#state{
+ socket_options =
+ SockOpts#socket_options{active = true},
+ protocol_specific =
+ ProtocolSpecific#{d_handle => DHandle}},
+ {Record, NewerState} = Connection:next_record_if_active(NewState),
+ Connection:next_event(connection, Record, NewerState, [{reply, From, ok}])
+ catch error:_ ->
+ death_row(State, disconnect)
+ end;
connection({call, From}, Msg, State, Connection) ->
handle_call(Msg, From, ?FUNCTION_NAME, State, Connection);
+connection(
+ info, dist_data = Msg,
+ #state{
+ ssl_options = #ssl_options{erl_dist = true},
+ protocol_specific = #{d_handle := DHandle}} = State,
+ _) ->
+ eat_msgs(Msg),
+ try send_dist_data(?FUNCTION_NAME, State, DHandle, [])
+ catch error:_ ->
+ death_row(State, disconnect)
+ end;
+connection(
+ info, {send, From, Ref, Data},
+ #state{
+ ssl_options = #ssl_options{erl_dist = true},
+ protocol_specific = #{d_handle := _}},
+ _) ->
+ %% This is for testing only!
+ %%
+ %% Needed by some OTP distribution
+ %% test suites...
+ From ! {Ref, ok},
+ {keep_state_and_data,
+ [{next_event, {call, {self(), undefined}},
+ {application_data, iolist_to_binary(Data)}}]};
+connection(
+ info, tick = Msg,
+ #state{
+ ssl_options = #ssl_options{erl_dist = true},
+ protocol_specific = #{d_handle := _}},
+ _) ->
+ eat_msgs(Msg),
+ {keep_state_and_data,
+ [{next_event, {call, {self(), undefined}}, {application_data, <<>>}}]};
connection(info, Msg, State, _) ->
handle_info(Msg, ?FUNCTION_NAME, State);
connection(internal, {recv, _}, State, Connection) ->
@@ -959,6 +1133,32 @@ connection(Type, Msg, State, Connection) ->
handle_common_event(Type, Msg, ?FUNCTION_NAME, State, Connection).
%%--------------------------------------------------------------------
+-spec death_row(gen_statem:event_type(), term(),
+ #state{}, tls_connection | dtls_connection) ->
+ gen_statem:state_function_result().
+%%--------------------------------------------------------------------
+%% We just wait for the owner to die which triggers the monitor,
+%% or the socket may die too
+death_row(
+ info, {'DOWN', MonitorRef, _, _, Reason},
+ #state{user_application={MonitorRef,_Pid}},
+ _) ->
+ {stop, {shutdown, Reason}};
+death_row(
+ info, {'EXIT', Socket, Reason}, #state{socket = Socket}, _) ->
+ {stop, {shutdown, Reason}};
+death_row(state_timeout, Reason, _State, _Connection) ->
+ {stop, {shutdown,Reason}};
+death_row(_Type, _Msg, _State, _Connection) ->
+ %% Waste all other events
+ keep_state_and_data.
+
+%% State entry function
+death_row(State, Reason) ->
+ {next_state, death_row, State,
+ [{state_timeout, 5000, Reason}]}.
+
+%%--------------------------------------------------------------------
-spec downgrade(gen_statem:event_type(), term(),
#state{}, tls_connection | dtls_connection) ->
gen_statem:state_function_result().
@@ -969,10 +1169,10 @@ downgrade(internal, #alert{description = ?CLOSE_NOTIFY},
tls_socket:setopts(Transport, Socket, [{active, false}, {packet, 0}, {mode, binary}]),
Transport:controlling_process(Socket, Pid),
gen_statem:reply(From, {ok, Socket}),
- {stop, normal, State};
+ stop(normal, State);
downgrade(timeout, downgrade, #state{downgrade = {_, From}} = State, _) ->
gen_statem:reply(From, {error, timeout}),
- {stop, normal, State};
+ stop(normal, State);
downgrade(Type, Event, State, Connection) ->
handle_common_event(Type, Event, ?FUNCTION_NAME, State, Connection).
@@ -987,9 +1187,8 @@ handle_common_event(internal, {handshake, {#hello_request{} = Handshake, _}}, co
handle_common_event(internal, {handshake, {#hello_request{}, _}}, StateName, #state{role = client}, _)
when StateName =/= connection ->
{keep_state_and_data};
-handle_common_event(internal, {handshake, {Handshake, Raw}}, StateName,
- #state{tls_handshake_history = Hs0,
- ssl_options = #ssl_options{v2_hello_compatible = V2HComp}} = State0,
+handle_common_event(internal, {handshake, {Handshake, Raw}}, StateName,
+ #state{tls_handshake_history = Hs0} = State0,
Connection) ->
PossibleSNI = Connection:select_sni_extension(Handshake),
@@ -997,7 +1196,7 @@ handle_common_event(internal, {handshake, {Handshake, Raw}}, StateName,
%% a client_hello, which needs to be determined by the connection callback.
%% In other cases this is a noop
State = handle_sni_extension(PossibleSNI, State0),
- HsHist = ssl_handshake:update_handshake_history(Hs0, iolist_to_binary(Raw), V2HComp),
+ HsHist = ssl_handshake:update_handshake_history(Hs0, iolist_to_binary(Raw)),
{next_state, StateName, State#state{tls_handshake_history = HsHist},
[{next_event, internal, Handshake}]};
handle_common_event(internal, {protocol_record, TLSorDTLSRecord}, StateName, State, Connection) ->
@@ -1006,8 +1205,8 @@ handle_common_event(timeout, hibernate, _, _, _) ->
{keep_state_and_data, [hibernate]};
handle_common_event(internal, {application_data, Data}, StateName, State0, Connection) ->
case read_application_data(Data, State0) of
- {stop, Reason, State} ->
- {stop, Reason, State};
+ {stop, _, _} = Stop->
+ Stop;
{Record, State} ->
Connection:next_event(StateName, Record, State)
end;
@@ -1036,13 +1235,14 @@ handle_call({close, _} = Close, From, StateName, State, Connection) ->
%% Run terminate before returning so that the reuseaddr
%% inet-option works properly
Result = Connection:terminate(Close, StateName, State#state{terminated = true}),
- {stop_and_reply, {shutdown, normal},
- {reply, From, Result}, State};
+ stop_and_reply(
+ {shutdown, normal},
+ {reply, From, Result}, State);
handle_call({shutdown, How0}, From, _,
#state{transport_cb = Transport,
negotiated_version = Version,
connection_states = ConnectionStates,
- socket = Socket}, Connection) ->
+ socket = Socket} = State, Connection) ->
case How0 of
How when How == write; How == both ->
Alert = ?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
@@ -1058,7 +1258,7 @@ handle_call({shutdown, How0}, From, _,
{keep_state_and_data, [{reply, From, ok}]};
Error ->
gen_statem:reply(From, {error, Error}),
- {stop, normal}
+ stop(normal, State)
end;
handle_call({recv, _N, _Timeout}, From, _,
#state{socket_options =
@@ -1093,6 +1293,15 @@ handle_call({set_opts, Opts0}, From, StateName,
handle_call(renegotiate, From, StateName, _, _) when StateName =/= connection ->
{keep_state_and_data, [{reply, From, {error, already_renegotiating}}]};
+
+handle_call(
+ get_sslsocket, From, _StateName,
+ #state{transport_cb = Transport, socket = Socket, tracker = Tracker},
+ Connection) ->
+ SslSocket =
+ Connection:socket(self(), Transport, Socket, Connection, Tracker),
+ {keep_state_and_data, [{reply, From, SslSocket}]};
+
handle_call({prf, Secret, Label, Seed, WantedLength}, From, _,
#state{connection_states = ConnectionStates,
negotiated_version = Version}, _) ->
@@ -1129,29 +1338,50 @@ handle_info({ErrorTag, Socket, econnaborted}, StateName,
tracker = Tracker} = State) when StateName =/= connection ->
alert_user(Transport, Tracker,Socket,
StartFrom, ?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), Role, Connection),
- {stop, normal, State};
+ stop(normal, State);
+
handle_info({ErrorTag, Socket, Reason}, StateName, #state{socket = Socket,
error_tag = ErrorTag} = State) ->
Report = io_lib:format("SSL: Socket error: ~p ~n", [Reason]),
- error_logger:info_report(Report),
+ error_logger:error_report(Report),
handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State),
- {stop, normal, State};
-handle_info({'DOWN', MonitorRef, _, _, _}, _,
- State = #state{user_application={MonitorRef,_Pid}}) ->
- {stop, normal, State};
+ stop(normal, State);
+
+handle_info(
+ {'DOWN', MonitorRef, _, _, Reason}, _,
+ #state{
+ user_application = {MonitorRef, _Pid},
+ ssl_options = #ssl_options{erl_dist = true}}) ->
+ {stop, {shutdown, Reason}};
+handle_info(
+ {'DOWN', MonitorRef, _, _, _}, _,
+ #state{user_application = {MonitorRef, _Pid}}) ->
+ {stop, normal};
+handle_info(
+ {'EXIT', Pid, _Reason}, StateName,
+ #state{user_application = {_MonitorRef, Pid}} = State) ->
+ %% It seems the user application has linked to us
+ %% - ignore that and let the monitor handle this
+ {next_state, StateName, State};
+
%%% So that terminate will be run when supervisor issues shutdown
handle_info({'EXIT', _Sup, shutdown}, _StateName, State) ->
- {stop, shutdown, State};
+ stop(shutdown, State);
handle_info({'EXIT', Socket, normal}, _StateName, #state{socket = Socket} = State) ->
%% Handle as transport close"
- {stop, {shutdown, transport_closed}, State};
+ stop({shutdown, transport_closed}, State);
+handle_info({'EXIT', Socket, Reason}, _StateName, #state{socket = Socket} = State) ->
+ stop({shutdown, Reason}, State);
+
handle_info(allow_renegotiate, StateName, State) ->
{next_state, StateName, State#state{allow_renegotiate = true}};
handle_info({cancel_start_or_recv, StartFrom}, StateName,
#state{renegotiation = {false, first}} = State) when StateName =/= connection ->
- {stop_and_reply, {shutdown, user_timeout},
- {reply, StartFrom, {error, timeout}}, State#state{timer = undefined}};
+ stop_and_reply(
+ {shutdown, user_timeout},
+ {reply, StartFrom, {error, timeout}},
+ State#state{timer = undefined});
handle_info({cancel_start_or_recv, RecvFrom}, StateName,
#state{start_or_recv_from = RecvFrom} = State) when RecvFrom =/= undefined ->
{next_state, StateName, State#state{start_or_recv_from = undefined,
@@ -1256,6 +1486,7 @@ connection_info(#state{sni_hostname = SNIHostname,
[{protocol, RecordCB:protocol_version(Version)},
{session_id, SessionId},
{cipher_suite, ssl_cipher:erl_suite_definition(CipherSuiteDef)},
+ {selected_cipher_suite, CipherSuiteDef},
{sni_hostname, SNIHostname} | CurveInfo] ++ ssl_options_list(Opts).
security_info(#state{connection_states = ConnectionStates}) ->
@@ -1466,6 +1697,14 @@ certify_client_key_exchange(#client_dhe_psk_identity{} = ClientKey,
PremasterSecret =
ssl_handshake:premaster_secret(ClientKey, ServerDhPrivateKey, Params, PSKLookup),
calculate_master_secret(PremasterSecret, State0, Connection, certify, cipher);
+certify_client_key_exchange(#client_ecdhe_psk_identity{} = ClientKey,
+ #state{diffie_hellman_keys = ServerEcDhPrivateKey,
+ ssl_options =
+ #ssl_options{user_lookup_fun = PSKLookup}} = State,
+ Connection) ->
+ PremasterSecret =
+ ssl_handshake:premaster_secret(ClientKey, ServerEcDhPrivateKey, PSKLookup),
+ calculate_master_secret(PremasterSecret, State, Connection, certify, cipher);
certify_client_key_exchange(#client_rsa_psk_identity{} = ClientKey,
#state{private_key = Key,
ssl_options =
@@ -1484,6 +1723,7 @@ certify_server(#state{key_algorithm = Algo} = State, _) when Algo == dh_anon;
Algo == ecdh_anon;
Algo == psk;
Algo == dhe_psk;
+ Algo == ecdhe_psk;
Algo == srp_anon ->
State;
certify_server(#state{cert_db = CertDbHandle,
@@ -1587,6 +1827,27 @@ key_exchange(#state{role = server, key_algorithm = dhe_psk,
PrivateKey}),
State = Connection:queue_handshake(Msg, State0),
State#state{diffie_hellman_keys = DHKeys};
+key_exchange(#state{role = server, key_algorithm = ecdhe_psk,
+ ssl_options = #ssl_options{psk_identity = PskIdentityHint},
+ hashsign_algorithm = HashSignAlgo,
+ private_key = PrivateKey,
+ session = #session{ecc = ECCCurve},
+ connection_states = ConnectionStates0,
+ negotiated_version = Version
+ } = State0, Connection) ->
+ ECDHKeys = public_key:generate_key(ECCCurve),
+ #{security_parameters := SecParams} =
+ ssl_record:pending_connection_state(ConnectionStates0, read),
+ #security_parameters{client_random = ClientRandom,
+ server_random = ServerRandom} = SecParams,
+ Msg = ssl_handshake:key_exchange(server, ssl:tls_version(Version),
+ {ecdhe_psk,
+ PskIdentityHint, ECDHKeys,
+ HashSignAlgo, ClientRandom,
+ ServerRandom,
+ PrivateKey}),
+ State = Connection:queue_handshake(Msg, State0),
+ State#state{diffie_hellman_keys = ECDHKeys};
key_exchange(#state{role = server, key_algorithm = rsa_psk,
ssl_options = #ssl_options{psk_identity = undefined}} = State, _) ->
State;
@@ -1681,6 +1942,17 @@ key_exchange(#state{role = client,
{dhe_psk,
SslOpts#ssl_options.psk_identity, DhPubKey}),
Connection:queue_handshake(Msg, State0);
+
+key_exchange(#state{role = client,
+ ssl_options = SslOpts,
+ key_algorithm = ecdhe_psk,
+ negotiated_version = Version,
+ diffie_hellman_keys = ECDHKeys} = State0, Connection) ->
+ Msg = ssl_handshake:key_exchange(client, ssl:tls_version(Version),
+ {ecdhe_psk,
+ SslOpts#ssl_options.psk_identity, ECDHKeys}),
+ Connection:queue_handshake(Msg, State0);
+
key_exchange(#state{role = client,
ssl_options = SslOpts,
key_algorithm = rsa_psk,
@@ -1735,6 +2007,12 @@ rsa_psk_key_exchange(Version, PskIdentity, PremasterSecret,
rsa_psk_key_exchange(_, _, _, _) ->
throw (?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE, pub_key_is_not_rsa)).
+request_client_cert(#state{key_algorithm = Alg} = State, _)
+ when Alg == dh_anon; Alg == ecdh_anon;
+ Alg == psk; Alg == dhe_psk; Alg == ecdhe_psk; Alg == rsa_psk;
+ Alg == srp_dss; Alg == srp_rsa; Alg == srp_anon ->
+ State;
+
request_client_cert(#state{ssl_options = #ssl_options{verify = verify_peer,
signature_algs = SupportedHashSigns},
connection_states = ConnectionStates0,
@@ -1856,6 +2134,18 @@ calculate_secret(#server_dhe_psk_params{
calculate_master_secret(PremasterSecret, State#state{diffie_hellman_keys = Keys},
Connection, certify, certify);
+calculate_secret(#server_ecdhe_psk_params{
+ dh_params = #server_ecdh_params{curve = ECCurve}} = ServerKey,
+ #state{ssl_options = #ssl_options{user_lookup_fun = PSKLookup}} =
+ State=#state{session=Session}, Connection) ->
+ ECDHKeys = public_key:generate_key(ECCurve),
+
+ PremasterSecret = ssl_handshake:premaster_secret(ServerKey, ECDHKeys, PSKLookup),
+ calculate_master_secret(PremasterSecret,
+ State#state{diffie_hellman_keys = ECDHKeys,
+ session = Session#session{ecc = ECCurve}},
+ Connection, certify, certify);
+
calculate_secret(#server_srp_params{srp_n = Prime, srp_g = Generator} = ServerKey,
#state{ssl_options = #ssl_options{srp_identity = SRPId}} = State,
Connection) ->
@@ -1940,6 +2230,7 @@ is_anonymous(Algo) when Algo == dh_anon;
Algo == ecdh_anon;
Algo == psk;
Algo == dhe_psk;
+ Algo == ecdhe_psk;
Algo == rsa_psk;
Algo == srp_anon ->
true;
@@ -2068,7 +2359,24 @@ hibernate_after(connection = StateName,
{next_state, StateName, State, [{timeout, HibernateAfter, hibernate} | Actions]};
hibernate_after(StateName, State, Actions) ->
{next_state, StateName, State, Actions}.
-
+
+map_extensions(#hello_extensions{renegotiation_info = RenegotiationInfo,
+ signature_algs = SigAlg,
+ alpn = Alpn,
+ next_protocol_negotiation = Next,
+ srp = SRP,
+ ec_point_formats = ECPointFmt,
+ elliptic_curves = ECCCurves,
+ sni = SNI}) ->
+ #{renegotiation_info => ssl_handshake:extension_value(RenegotiationInfo),
+ signature_algs => ssl_handshake:extension_value(SigAlg),
+ alpn => ssl_handshake:extension_value(Alpn),
+ srp => ssl_handshake:extension_value(SRP),
+ next_protocol => ssl_handshake:extension_value(Next),
+ ec_point_formats => ssl_handshake:extension_value(ECPointFmt),
+ elliptic_curves => ssl_handshake:extension_value(ECCCurves),
+ sni => ssl_handshake:extension_value(SNI)}.
+
terminate_alert(normal, Version, ConnectionStates, Connection) ->
Connection:encode_alert(?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
Version, ConnectionStates);
@@ -2225,7 +2533,7 @@ ssl_options_list([ciphers = Key | Keys], [Value | Values], Acc) ->
ssl_options_list(Keys, Values,
[{Key, lists:map(
fun(Suite) ->
- ssl_cipher:erl_suite_definition(Suite)
+ ssl_cipher:suite_definition(Suite)
end, Value)}
| Acc]);
ssl_options_list([Key | Keys], [Value | Values], Acc) ->
@@ -2244,8 +2552,8 @@ handle_active_option(_, connection = StateName0, To, Reply, #state{protocol_cb =
hibernate_after(StateName, State, [{reply, To, Reply}]);
{next_state, StateName, State, Actions} ->
hibernate_after(StateName, State, [{reply, To, Reply} | Actions]);
- {stop, Reason, State} ->
- {stop, Reason, State}
+ {stop, _, _} = Stop ->
+ Stop
end;
handle_active_option(_, StateName, To, Reply, #state{user_data_buffer = <<>>} = State) ->
%% Active once already set
@@ -2254,8 +2562,8 @@ 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 read_application_data(<<>>, State0) of
- {stop, Reason, State} ->
- {stop, Reason, State};
+ {stop, _, _} = Stop ->
+ Stop;
{Record, State1} ->
%% Note: Renogotiation may cause StateName0 =/= StateName
case Connection:next_event(StateName0, Record, State1) of
@@ -2413,7 +2721,8 @@ send_or_reply(_, Pid, _From, Data) ->
send_user(Pid, Data).
send_user(Pid, Msg) ->
- Pid ! Msg.
+ Pid ! Msg,
+ ok.
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);
@@ -2506,3 +2815,42 @@ new_emulated([], EmOpts) ->
EmOpts;
new_emulated(NewEmOpts, _) ->
NewEmOpts.
+%%---------------Erlang distribution --------------------------------------
+
+send_dist_data(StateName, State, DHandle, Acc) ->
+ case erlang:dist_ctrl_get_data(DHandle) of
+ none ->
+ erlang:dist_ctrl_get_data_notification(DHandle),
+ hibernate_after(StateName, State, lists:reverse(Acc));
+ Data ->
+ send_dist_data(
+ StateName, State, DHandle,
+ [{next_event, {call, {self(), undefined}}, {application_data, Data}}
+ |Acc])
+ end.
+
+%% Overload mitigation
+eat_msgs(Msg) ->
+ receive Msg -> eat_msgs(Msg)
+ after 0 -> ok
+ end.
+
+%% When acting as distribution controller map the exit reason
+%% to follow the documented nodedown_reason for net_kernel
+stop(Reason, State) ->
+ {stop, erl_dist_stop_reason(Reason, State), State}.
+
+stop_and_reply(Reason, Replies, State) ->
+ {stop_and_reply, erl_dist_stop_reason(Reason, State), Replies, State}.
+
+erl_dist_stop_reason(
+ Reason, #state{ssl_options = #ssl_options{erl_dist = true}}) ->
+ case Reason of
+ normal ->
+ %% We can not exit with normal since that will not bring
+ %% down the rest of the distribution processes
+ {shutdown, normal};
+ _ -> Reason
+ end;
+erl_dist_stop_reason(Reason, _State) ->
+ Reason.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 08:11:04 +0000