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-rw-r--r--lib/ssl/src/ssl_connection.erl1072
1 files changed, 606 insertions, 466 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index ec7d086934..90e0810241 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2013-2015. All Rights Reserved.
+%% Copyright Ericsson AB 2013-2016. 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.
@@ -38,7 +38,7 @@
%% Setup
-export([connect/8, ssl_accept/7, handshake/2, handshake/3,
- socket_control/4, socket_control/5]).
+ socket_control/4, socket_control/5, start_or_recv_cancel_timer/2]).
%% User Events
-export([send/2, recv/3, close/2, shutdown/2,
@@ -47,12 +47,16 @@
connection_information/1
]).
--export([handle_session/7]).
+%% 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, hello/4, abbreviated/4, certify/4, cipher/4, connection/4, downgrade/4]).
-%% SSL FSM state functions
--export([hello/3, abbreviated/3, certify/3, cipher/3, connection/3]).
-%% SSL all state functions
--export([handle_sync_event/4, handle_info/3, terminate/3, format_status/2]).
+%% gen_statem callbacks
+-export([terminate/3, format_status/2]).
+
+%%
+-export([handle_info/3, handle_call/5, handle_session/7, ssl_config/3,
+ prepare_connection/2, hibernate_after/3]).
%%====================================================================
@@ -100,7 +104,7 @@ ssl_accept(Connection, Port, Socket, Opts, User, CbInfo, Timeout) ->
%% Description: Starts ssl handshake.
%%--------------------------------------------------------------------
handshake(#sslsocket{pid = Pid}, Timeout) ->
- case sync_send_all_state_event(Pid, {start, Timeout}) of
+ case call(Pid, {start, Timeout}) of
connected ->
ok;
Error ->
@@ -114,7 +118,7 @@ handshake(#sslsocket{pid = Pid}, Timeout) ->
%% Description: Starts ssl handshake with some new options
%%--------------------------------------------------------------------
handshake(#sslsocket{pid = Pid}, SslOptions, Timeout) ->
- case sync_send_all_state_event(Pid, {start, SslOptions, Timeout}) of
+ case call(Pid, {start, SslOptions, Timeout}) of
connected ->
ok;
Error ->
@@ -148,7 +152,7 @@ socket_control(Connection, Socket, Pid, Transport, ListenTracker) ->
%% Description: Sends data over the ssl connection
%%--------------------------------------------------------------------
send(Pid, Data) ->
- sync_send_all_state_event(Pid, {application_data,
+ call(Pid, {application_data,
%% iolist_to_binary should really
%% be called iodata_to_binary()
erlang:iolist_to_binary(Data)}).
@@ -160,7 +164,7 @@ send(Pid, Data) ->
%% Description: Receives data when active = false
%%--------------------------------------------------------------------
recv(Pid, Length, Timeout) ->
- sync_send_all_state_event(Pid, {recv, Length, Timeout}).
+ call(Pid, {recv, Length, Timeout}).
%%--------------------------------------------------------------------
-spec connection_information(pid()) -> {ok, list()} | {error, reason()}.
@@ -168,7 +172,7 @@ recv(Pid, Length, Timeout) ->
%% Description: Get the SNI hostname
%%--------------------------------------------------------------------
connection_information(Pid) when is_pid(Pid) ->
- sync_send_all_state_event(Pid, connection_information).
+ call(Pid, connection_information).
%%--------------------------------------------------------------------
-spec close(pid(), {close, Timeout::integer() |
@@ -178,7 +182,7 @@ connection_information(Pid) when is_pid(Pid) ->
%% Description: Close an ssl connection
%%--------------------------------------------------------------------
close(ConnectionPid, How) ->
- case sync_send_all_state_event(ConnectionPid, How) of
+ case call(ConnectionPid, How) of
{error, closed} ->
ok;
Other ->
@@ -190,7 +194,7 @@ close(ConnectionPid, How) ->
%% Description: Same as gen_tcp:shutdown/2
%%--------------------------------------------------------------------
shutdown(ConnectionPid, How) ->
- sync_send_all_state_event(ConnectionPid, {shutdown, How}).
+ call(ConnectionPid, {shutdown, How}).
%%--------------------------------------------------------------------
-spec new_user(pid(), pid()) -> ok | {error, reason()}.
@@ -199,7 +203,7 @@ shutdown(ConnectionPid, How) ->
%% or once.
%%--------------------------------------------------------------------
new_user(ConnectionPid, User) ->
- sync_send_all_state_event(ConnectionPid, {new_user, User}).
+ call(ConnectionPid, {new_user, User}).
%%--------------------------------------------------------------------
-spec negotiated_protocol(pid()) -> {ok, binary()} | {error, reason()}.
@@ -207,7 +211,7 @@ new_user(ConnectionPid, User) ->
%% Description: Returns the negotiated protocol
%%--------------------------------------------------------------------
negotiated_protocol(ConnectionPid) ->
- sync_send_all_state_event(ConnectionPid, negotiated_protocol).
+ call(ConnectionPid, negotiated_protocol).
%%--------------------------------------------------------------------
-spec get_opts(pid(), list()) -> {ok, list()} | {error, reason()}.
@@ -215,14 +219,14 @@ negotiated_protocol(ConnectionPid) ->
%% Description: Same as inet:getopts/2
%%--------------------------------------------------------------------
get_opts(ConnectionPid, OptTags) ->
- sync_send_all_state_event(ConnectionPid, {get_opts, OptTags}).
+ call(ConnectionPid, {get_opts, OptTags}).
%%--------------------------------------------------------------------
-spec set_opts(pid(), list()) -> ok | {error, reason()}.
%%
%% Description: Same as inet:setopts/2
%%--------------------------------------------------------------------
set_opts(ConnectionPid, Options) ->
- sync_send_all_state_event(ConnectionPid, {set_opts, Options}).
+ call(ConnectionPid, {set_opts, Options}).
%%--------------------------------------------------------------------
-spec session_info(pid()) -> {ok, list()} | {error, reason()}.
@@ -230,7 +234,7 @@ set_opts(ConnectionPid, Options) ->
%% Description: Returns info about the ssl session
%%--------------------------------------------------------------------
session_info(ConnectionPid) ->
- sync_send_all_state_event(ConnectionPid, session_info).
+ call(ConnectionPid, session_info).
%%--------------------------------------------------------------------
-spec peer_certificate(pid()) -> {ok, binary()| undefined} | {error, reason()}.
@@ -238,7 +242,7 @@ session_info(ConnectionPid) ->
%% Description: Returns the peer cert
%%--------------------------------------------------------------------
peer_certificate(ConnectionPid) ->
- sync_send_all_state_event(ConnectionPid, peer_certificate).
+ call(ConnectionPid, peer_certificate).
%%--------------------------------------------------------------------
-spec renegotiation(pid()) -> ok | {error, reason()}.
@@ -246,7 +250,7 @@ peer_certificate(ConnectionPid) ->
%% Description: Starts a renegotiation of the ssl session.
%%--------------------------------------------------------------------
renegotiation(ConnectionPid) ->
- sync_send_all_state_event(ConnectionPid, renegotiate).
+ call(ConnectionPid, renegotiate).
%%--------------------------------------------------------------------
-spec prf(pid(), binary() | 'master_secret', binary(),
@@ -256,9 +260,13 @@ renegotiation(ConnectionPid) ->
%% Description: use a ssl sessions TLS PRF to generate key material
%%--------------------------------------------------------------------
prf(ConnectionPid, Secret, Label, Seed, WantedLength) ->
- sync_send_all_state_event(ConnectionPid, {prf, Secret, Label, Seed, WantedLength}).
-
+ call(ConnectionPid, {prf, Secret, Label, Seed, WantedLength}).
+%%--------------------------------------------------------------------
+-spec handle_session(#server_hello{}, ssl_record:ssl_version(),
+ binary(), #connection_states{}, _,_, #state{}) ->
+ gen_statem:state_function_result().
+%%--------------------------------------------------------------------
handle_session(#server_hello{cipher_suite = CipherSuite,
compression_method = Compression},
Version, NewId, ConnectionStates, ProtoExt, Protocol0,
@@ -290,65 +298,104 @@ handle_session(#server_hello{cipher_suite = CipherSuite,
handle_resumed_session(NewId,
State#state{connection_states = ConnectionStates})
end.
-
+
%%--------------------------------------------------------------------
--spec hello(start | #hello_request{} | #server_hello{} | term(),
- #state{}, tls_connection | dtls_connection) ->
- gen_fsm_state_return().
+-spec ssl_config(#ssl_options{}, client | server, #state{}) -> #state{}.
%%--------------------------------------------------------------------
-hello(start, #state{role = server} = State0, Connection) ->
- {Record, State} = Connection:next_record(State0),
- Connection:next_state(hello, hello, Record, State);
-
-hello(#hello_request{}, #state{role = client} = State0, Connection) ->
- {Record, State} = Connection:next_record(State0),
- Connection:next_state(hello, hello, Record, State);
-
-hello({common_client_hello, Type, ServerHelloExt, NegotiatedHashSign},
- State, Connection) ->
- do_server_hello(Type, ServerHelloExt,
- %% Note NegotiatedHashSign is only negotiated for real if
- %% if TLS version is at least TLS-1.2
- State#state{hashsign_algorithm = NegotiatedHashSign}, Connection);
+ssl_config(Opts, Role, State) ->
+ {ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, CRLDbInfo,
+ OwnCert, Key, DHParams} =
+ 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 = CRLDbInfo,
+ session_cache = CacheHandle,
+ private_key = Key,
+ diffie_hellman_params = DHParams,
+ ssl_options = Opts}.
-hello(timeout, State, _) ->
- {next_state, hello, State, hibernate};
+%%====================================================================
+%% gen_statem state functions
+%%====================================================================
+%%--------------------------------------------------------------------
+-spec init(gen_statem:event_type(),
+ {start, timeout()} | {start, {list(), list()}, timeout()}| term(),
+ #state{}, tls_connection | dtls_connection) ->
+ gen_statem:state_function_result().
+%%--------------------------------------------------------------------
-hello(Msg, State, Connection) ->
- Connection:handle_unexpected_message(Msg, hello, State).
+init({call, From}, {start, Timeout}, State0, Connection) ->
+ Timer = start_or_recv_cancel_timer(Timeout, From),
+ {Record, State} = Connection:next_record(State0#state{start_or_recv_from = From,
+ timer = Timer}),
+ Connection:next_event(hello, Record, State);
+init({call, From}, {start, {Opts, EmOpts}, Timeout},
+ #state{role = Role} = State0, Connection) ->
+ try
+ State = ssl_config(Opts, Role, State0),
+ init({call, From}, {start, Timeout},
+ State#state{ssl_options = Opts, socket_options = EmOpts}, Connection)
+ catch throw:Error ->
+ {stop_and_reply, normal, {reply, From, {error, Error}}}
+ end;
+init({call, From}, Msg, State, Connection) ->
+ handle_call(Msg, From, init, State, Connection);
+init(_Type, _Event, _State, _Connection) ->
+ {keep_state_and_data, [postpone]}.
+
+%%--------------------------------------------------------------------
+-spec hello(gen_statem:event_type(),
+ #hello_request{} | #server_hello{} | term(),
+ #state{}, tls_connection | dtls_connection) ->
+ gen_statem:state_function_result().
+%%--------------------------------------------------------------------
+hello({call, From}, Msg, State, Connection) ->
+ handle_call(Msg, From, hello, State, Connection);
+hello(internal, {common_client_hello, Type, ServerHelloExt}, State, Connection) ->
+ do_server_hello(Type, ServerHelloExt, State, Connection);
+hello(info, Msg, State, _) ->
+ handle_info(Msg, hello, State);
+hello(Type, Msg, State, Connection) ->
+ handle_common_event(Type, Msg, hello, State, Connection).
%%--------------------------------------------------------------------
--spec abbreviated(#hello_request{} | #finished{} | term(),
+-spec abbreviated(gen_statem:event_type(),
+ #hello_request{} | #finished{} | term(),
#state{}, tls_connection | dtls_connection) ->
- gen_fsm_state_return().
+ gen_statem:state_function_result().
%%--------------------------------------------------------------------
-abbreviated(#hello_request{}, State0, Connection) ->
- {Record, State} = Connection:next_record(State0),
- Connection:next_state(abbreviated, hello, Record, State);
+abbreviated({call, From}, Msg, State, Connection) ->
+ handle_call(Msg, From, abbreviated, State, Connection);
-abbreviated(#finished{verify_data = Data} = Finished,
+abbreviated(internal, #finished{verify_data = Data} = Finished,
#state{role = server,
negotiated_version = Version,
expecting_finished = true,
tls_handshake_history = Handshake,
session = #session{master_secret = MasterSecret},
connection_states = ConnectionStates0} =
- State, Connection) ->
+ State0, Connection) ->
case ssl_handshake:verify_connection(Version, Finished, client,
get_current_prf(ConnectionStates0, write),
MasterSecret, Handshake) of
verified ->
ConnectionStates =
ssl_record:set_client_verify_data(current_both, Data, ConnectionStates0),
- Connection:next_state_connection(abbreviated,
- ack_connection(
- State#state{connection_states = ConnectionStates,
- expecting_finished = false}));
+ {Record, State} = prepare_connection(State0#state{connection_states = ConnectionStates,
+ expecting_finished = false}, Connection),
+ Connection:next_event(connection, Record, State);
#alert{} = Alert ->
- Connection:handle_own_alert(Alert, Version, abbreviated, State)
+ Connection:handle_own_alert(Alert, Version, abbreviated, State0)
end;
-abbreviated(#finished{verify_data = Data} = Finished,
+abbreviated(internal, #finished{verify_data = Data} = Finished,
#state{role = client, tls_handshake_history = Handshake0,
session = #session{master_secret = MasterSecret},
negotiated_version = Version,
@@ -359,40 +406,49 @@ abbreviated(#finished{verify_data = Data} = Finished,
verified ->
ConnectionStates1 =
ssl_record:set_server_verify_data(current_read, Data, ConnectionStates0),
- State =
+ State1 =
finalize_handshake(State0#state{connection_states = ConnectionStates1},
abbreviated, Connection),
- Connection:next_state_connection(abbreviated,
- ack_connection(State#state{expecting_finished = false}));
- #alert{} = Alert ->
+ {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)
end;
%% only allowed to send next_protocol message after change cipher spec
%% & before finished message and it is not allowed during renegotiation
-abbreviated(#next_protocol{selected_protocol = SelectedProtocol},
+abbreviated(internal, #next_protocol{selected_protocol = SelectedProtocol},
#state{role = server, expecting_next_protocol_negotiation = true} = State0,
Connection) ->
- {Record, State} = Connection:next_record(State0#state{negotiated_protocol = SelectedProtocol}),
- Connection:next_state(abbreviated, abbreviated, Record, State#state{expecting_next_protocol_negotiation = false});
-
-abbreviated(timeout, State, _) ->
- {next_state, abbreviated, State, hibernate };
-
-abbreviated(Msg, State, Connection) ->
- Connection:handle_unexpected_message(Msg, abbreviated, State).
-
+ {Record, State} =
+ Connection:next_record(State0#state{negotiated_protocol = SelectedProtocol}),
+ Connection:next_event(abbreviated, Record,
+ State#state{expecting_next_protocol_negotiation = false});
+abbreviated(internal,
+ #change_cipher_spec{type = <<1>>}, #state{connection_states = ConnectionStates0} =
+ State0, Connection) ->
+ ConnectionStates1 =
+ ssl_record:activate_pending_connection_state(ConnectionStates0, read),
+ {Record, State} = Connection:next_record(State0#state{connection_states =
+ ConnectionStates1}),
+ Connection:next_event(abbreviated, Record, State#state{expecting_finished = true});
+abbreviated(info, Msg, State, _) ->
+ handle_info(Msg, abbreviated, State);
+abbreviated(Type, Msg, State, Connection) ->
+ handle_common_event(Type, Msg, abbreviated, State, Connection).
+
%%--------------------------------------------------------------------
--spec certify(#hello_request{} | #certificate{} | #server_key_exchange{} |
+-spec certify(gen_statem:event_type(),
+ #hello_request{} | #certificate{} | #server_key_exchange{} |
#certificate_request{} | #server_hello_done{} | #client_key_exchange{} | term(),
#state{}, tls_connection | dtls_connection) ->
- gen_fsm_state_return().
+ gen_statem:state_function_result().
%%--------------------------------------------------------------------
-certify(#hello_request{}, State0, Connection) ->
- {Record, State} = Connection:next_record(State0),
- Connection:next_state(certify, hello, Record, State);
-
-certify(#certificate{asn1_certificates = []},
+certify({call, From}, Msg, State, Connection) ->
+ handle_call(Msg, From, certify, State, Connection);
+certify(info, Msg, State, _) ->
+ handle_info(Msg, certify, State);
+certify(internal, #certificate{asn1_certificates = []},
#state{role = server, negotiated_version = Version,
ssl_options = #ssl_options{verify = verify_peer,
fail_if_no_peer_cert = true}} =
@@ -400,15 +456,24 @@ certify(#certificate{asn1_certificates = []},
Alert = ?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE),
Connection:handle_own_alert(Alert, Version, certify, State);
-certify(#certificate{asn1_certificates = []},
+certify(internal, #certificate{asn1_certificates = []},
#state{role = server,
ssl_options = #ssl_options{verify = verify_peer,
fail_if_no_peer_cert = false}} =
State0, Connection) ->
- {Record, State} = Connection:next_record(State0#state{client_certificate_requested = false}),
- Connection:next_state(certify, certify, Record, State);
+ {Record, State} =
+ Connection:next_record(State0#state{client_certificate_requested = false}),
+ Connection:next_event(certify, Record, State);
+
+certify(internal, #certificate{},
+ #state{role = server,
+ negotiated_version = Version,
+ ssl_options = #ssl_options{verify = verify_none}} =
+ State, Connection) ->
+ Alert = ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE, unrequested_certificate),
+ Connection:handle_own_alert(Alert, Version, certify, State);
-certify(#certificate{} = Cert,
+certify(internal, #certificate{} = Cert,
#state{negotiated_version = Version,
role = Role,
cert_db = CertDbHandle,
@@ -430,7 +495,7 @@ certify(#certificate{} = Cert,
Connection:handle_own_alert(Alert, Version, certify, State)
end;
-certify(#server_key_exchange{exchange_keys = Keys},
+certify(internal, #server_key_exchange{exchange_keys = Keys},
#state{role = client, negotiated_version = Version,
key_algorithm = Alg,
public_key_info = PubKeyInfo,
@@ -442,36 +507,44 @@ certify(#server_key_exchange{exchange_keys = Keys},
Alg == srp_dss; Alg == srp_rsa; Alg == srp_anon ->
Params = ssl_handshake:decode_server_key(Keys, Alg, Version),
- HashSign = negotiated_hashsign(Params#server_key_params.hashsign, Alg, Version),
+
+ %% Use negotiated value if TLS-1.2 otherwhise return default
+ HashSign = negotiated_hashsign(Params#server_key_params.hashsign, Alg, PubKeyInfo, Version),
+
case is_anonymous(Alg) of
true ->
calculate_secret(Params#server_key_params.params,
State#state{hashsign_algorithm = HashSign}, Connection);
false ->
- case ssl_handshake:verify_server_key(Params, HashSign, ConnectionStates, Version, PubKeyInfo) of
+ case ssl_handshake:verify_server_key(Params, HashSign,
+ ConnectionStates, Version, PubKeyInfo) of
true ->
calculate_secret(Params#server_key_params.params,
- State#state{hashsign_algorithm = HashSign}, Connection);
+ State#state{hashsign_algorithm = HashSign},
+ Connection);
false ->
Connection:handle_own_alert(?ALERT_REC(?FATAL, ?DECRYPT_ERROR),
Version, certify, State)
end
end;
-certify(#server_key_exchange{} = Msg,
- #state{role = client, key_algorithm = rsa} = State, Connection) ->
- Connection:handle_unexpected_message(Msg, certify_server_keyexchange, State);
-
-certify(#certificate_request{hashsign_algorithms = HashSigns},
+certify(internal, #certificate_request{hashsign_algorithms = HashSigns},
#state{session = #session{own_certificate = Cert},
- negotiated_version = Version} = State0, Connection) ->
- HashSign = ssl_handshake:select_hashsign(HashSigns, Cert, Version),
- {Record, State} = Connection:next_record(State0#state{client_certificate_requested = true}),
- Connection:next_state(certify, certify, Record,
- State#state{cert_hashsign_algorithm = HashSign});
+ key_algorithm = KeyExAlg,
+ ssl_options = #ssl_options{signature_algs = SupportedHashSigns},
+ negotiated_version = Version} = State0, Connection) ->
+
+ case ssl_handshake:select_hashsign(HashSigns, Cert, KeyExAlg, SupportedHashSigns, Version) of
+ #alert {} = Alert ->
+ Connection:handle_own_alert(Alert, Version, certify, State0);
+ NegotiatedHashSign ->
+ {Record, State} = Connection:next_record(State0#state{client_certificate_requested = true}),
+ Connection:next_event(certify, Record,
+ State#state{cert_hashsign_algorithm = NegotiatedHashSign})
+ end;
%% PSK and RSA_PSK might bypass the Server-Key-Exchange
-certify(#server_hello_done{},
+certify(internal, #server_hello_done{},
#state{session = #session{master_secret = undefined},
negotiated_version = Version,
psk_identity = PSKIdentity,
@@ -489,27 +562,29 @@ certify(#server_hello_done{},
client_certify_and_key_exchange(State, Connection)
end;
-certify(#server_hello_done{},
+certify(internal, #server_hello_done{},
#state{session = #session{master_secret = undefined},
ssl_options = #ssl_options{user_lookup_fun = PSKLookup},
- negotiated_version = {Major, Minor},
+ negotiated_version = {Major, Minor} = Version,
psk_identity = PSKIdentity,
premaster_secret = undefined,
role = client,
key_algorithm = Alg} = State0, Connection)
when Alg == rsa_psk ->
- Rand = ssl:random_bytes(?NUM_OF_PREMASTERSECRET_BYTES-2),
+ Rand = ssl_cipher:random_bytes(?NUM_OF_PREMASTERSECRET_BYTES-2),
RSAPremasterSecret = <<?BYTE(Major), ?BYTE(Minor), Rand/binary>>,
- case ssl_handshake:premaster_secret({Alg, PSKIdentity}, PSKLookup, RSAPremasterSecret) of
+ case ssl_handshake:premaster_secret({Alg, PSKIdentity}, PSKLookup,
+ RSAPremasterSecret) of
#alert{} = Alert ->
- Alert;
+ Connection:handle_own_alert(Alert, Version, certify, State0);
PremasterSecret ->
- State = master_secret(PremasterSecret, State0#state{premaster_secret = RSAPremasterSecret}),
+ State = master_secret(PremasterSecret,
+ State0#state{premaster_secret = RSAPremasterSecret}),
client_certify_and_key_exchange(State, Connection)
end;
%% Master secret was determined with help of server-key exchange msg
-certify(#server_hello_done{},
+certify(internal, #server_hello_done{},
#state{session = #session{master_secret = MasterSecret} = Session,
connection_states = ConnectionStates0,
negotiated_version = Version,
@@ -525,7 +600,7 @@ certify(#server_hello_done{},
end;
%% Master secret is calculated from premaster_secret
-certify(#server_hello_done{},
+certify(internal, #server_hello_done{},
#state{session = Session0,
connection_states = ConnectionStates0,
negotiated_version = Version,
@@ -542,14 +617,15 @@ certify(#server_hello_done{},
Connection:handle_own_alert(Alert, Version, certify, State0)
end;
-certify(#client_key_exchange{} = Msg,
+certify(internal = Type, #client_key_exchange{} = Msg,
#state{role = server,
client_certificate_requested = true,
- ssl_options = #ssl_options{fail_if_no_peer_cert = true}} = State, Connection) ->
+ ssl_options = #ssl_options{fail_if_no_peer_cert = true}} = State,
+ Connection) ->
%% We expect a certificate here
- Connection:handle_unexpected_message(Msg, certify_client_key_exchange, State);
+ handle_common_event(Type, Msg, certify, State, Connection);
-certify(#client_key_exchange{exchange_keys = Keys},
+certify(internal, #client_key_exchange{exchange_keys = Keys},
State = #state{key_algorithm = KeyAlg, negotiated_version = Version}, Connection) ->
try
certify_client_key_exchange(ssl_handshake:decode_client_key(Keys, KeyAlg, Version),
@@ -559,47 +635,51 @@ certify(#client_key_exchange{exchange_keys = Keys},
Connection:handle_own_alert(Alert, Version, certify, State)
end;
-certify(timeout, State, _) ->
- {next_state, certify, State, hibernate};
-
-certify(Msg, State, Connection) ->
- Connection:handle_unexpected_message(Msg, certify, State).
-
+certify(Type, Msg, State, Connection) ->
+ handle_common_event(Type, Msg, certify, State, Connection).
+
%%--------------------------------------------------------------------
--spec cipher(#hello_request{} | #certificate_verify{} | #finished{} | term(),
+-spec cipher(gen_statem:event_type(),
+ #hello_request{} | #certificate_verify{} | #finished{} | term(),
#state{}, tls_connection | dtls_connection) ->
- gen_fsm_state_return().
+ gen_statem:state_function_result().
%%--------------------------------------------------------------------
-cipher(#hello_request{}, State0, Connection) ->
- {Record, State} = Connection:next_record(State0),
- Connection:next_state(cipher, hello, Record, State);
+cipher({call, From}, Msg, State, Connection) ->
+ handle_call(Msg, From, cipher, State, Connection);
-cipher(#certificate_verify{signature = Signature, hashsign_algorithm = CertHashSign},
+cipher(info, Msg, State, _) ->
+ handle_info(Msg, cipher, State);
+
+cipher(internal, #certificate_verify{signature = Signature,
+ hashsign_algorithm = CertHashSign},
#state{role = server,
- public_key_info = {Algo, _, _} =PublicKeyInfo,
+ key_algorithm = KexAlg,
+ public_key_info = PublicKeyInfo,
negotiated_version = Version,
session = #session{master_secret = MasterSecret},
tls_handshake_history = Handshake
} = State0, Connection) ->
-
- HashSign = ssl_handshake:select_hashsign_algs(CertHashSign, Algo, Version),
+
+ %% Use negotiated value if TLS-1.2 otherwhise return default
+ HashSign = negotiated_hashsign(CertHashSign, KexAlg, PublicKeyInfo, Version),
case ssl_handshake:certificate_verify(Signature, PublicKeyInfo,
Version, HashSign, MasterSecret, Handshake) of
valid ->
{Record, State} = Connection:next_record(State0),
- Connection:next_state(cipher, cipher, Record,
+ Connection:next_event(cipher, Record,
State#state{cert_hashsign_algorithm = HashSign});
#alert{} = Alert ->
Connection:handle_own_alert(Alert, Version, cipher, State0)
end;
%% client must send a next protocol message if we are expecting it
-cipher(#finished{}, #state{role = server, expecting_next_protocol_negotiation = true,
- negotiated_protocol = undefined, negotiated_version = Version} = State0,
+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);
-cipher(#finished{verify_data = Data} = Finished,
+cipher(internal, #finished{verify_data = Data} = Finished,
#state{negotiated_version = Version,
host = Host,
port = Port,
@@ -615,109 +695,166 @@ cipher(#finished{verify_data = Data} = Finished,
MasterSecret, Handshake0) of
verified ->
Session = register_session(Role, Host, Port, Session0),
- cipher_role(Role, Data, Session, State#state{expecting_finished = false}, Connection);
+ cipher_role(Role, Data, Session,
+ State#state{expecting_finished = false}, Connection);
#alert{} = Alert ->
Connection:handle_own_alert(Alert, Version, cipher, State)
end;
%% only allowed to send next_protocol message after change cipher spec
%% & before finished message and it is not allowed during renegotiation
-cipher(#next_protocol{selected_protocol = SelectedProtocol},
+cipher(internal, #next_protocol{selected_protocol = SelectedProtocol},
#state{role = server, expecting_next_protocol_negotiation = true,
expecting_finished = true} = State0, Connection) ->
- {Record, State} = Connection:next_record(State0#state{negotiated_protocol = SelectedProtocol}),
- Connection:next_state(cipher, cipher, Record, State#state{expecting_next_protocol_negotiation = false});
-
-cipher(timeout, State, _) ->
- {next_state, cipher, State, hibernate};
-
-cipher(Msg, State, Connection) ->
- Connection:handle_unexpected_message(Msg, cipher, State).
+ {Record, State} =
+ Connection:next_record(State0#state{negotiated_protocol = SelectedProtocol}),
+ Connection:next_event(cipher, Record,
+ State#state{expecting_next_protocol_negotiation = false});
+cipher(internal, #change_cipher_spec{type = <<1>>}, #state{connection_states = ConnectionStates0} =
+ State0, Connection) ->
+ ConnectionStates1 =
+ ssl_record:activate_pending_connection_state(ConnectionStates0, read),
+ {Record, State} = Connection:next_record(State0#state{connection_states =
+ ConnectionStates1}),
+ Connection:next_event(cipher, Record, State#state{expecting_finished = true});
+cipher(Type, Msg, State, Connection) ->
+ handle_common_event(Type, Msg, cipher, State, Connection).
%%--------------------------------------------------------------------
--spec connection(term(), #state{}, tls_connection | dtls_connection) ->
- gen_fsm_state_return().
+-spec connection(gen_statem:event_type(), term(),
+ #state{}, tls_connection | dtls_connection) ->
+ gen_statem:state_function_result().
%%--------------------------------------------------------------------
-connection(timeout, State, _) ->
- {next_state, connection, State, hibernate};
+connection({call, 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
+ %% if sending is overloading the socket.
+ try
+ Connection:write_application_data(Data, From, State)
+ catch throw:Error ->
+ hibernate_after(connection, State, [{reply, From, Error}])
+ end;
+connection({call, RecvFrom}, {recv, N, Timeout},
+ #state{protocol_cb = Connection, socket_options =
+ #socket_options{active = false}} = State0, Connection) ->
+ Timer = start_or_recv_cancel_timer(Timeout, RecvFrom),
+ Connection:passive_receive(State0#state{bytes_to_read = N,
+ start_or_recv_from = RecvFrom,
+ timer = Timer}, connection);
+connection({call, From}, renegotiate, #state{protocol_cb = Connection} = State,
+ Connection) ->
+ Connection:renegotiate(State#state{renegotiation = {true, From}}, []);
+connection({call, From}, peer_certificate,
+ #state{session = #session{peer_certificate = Cert}} = State, _) ->
+ hibernate_after(connection, State, [{reply, From, {ok, Cert}}]);
+connection({call, From}, connection_information, State, _) ->
+ Info = connection_info(State),
+ hibernate_after(connection, State, [{reply, From, {ok, Info}}]);
+connection({call, From}, session_info, #state{session = #session{session_id = Id,
+ cipher_suite = Suite}} = State, _) ->
+ SessionInfo = [{session_id, Id},
+ {cipher_suite, ssl_cipher:erl_suite_definition(Suite)}],
+ hibernate_after(connection, State, [{reply, From, SessionInfo}]);
+connection({call, From}, negotiated_protocol,
+ #state{negotiated_protocol = undefined} = State, _) ->
+ hibernate_after(connection, State, [{reply, From, {error, protocol_not_negotiated}}]);
+connection({call, From}, negotiated_protocol,
+ #state{negotiated_protocol = SelectedProtocol} = State, _) ->
+ hibernate_after(connection, State,
+ [{reply, From, {ok, SelectedProtocol}}]);
+connection({call, From}, Msg, State, Connection) ->
+ handle_call(Msg, From, connection, State, Connection);
+connection(info, Msg, State, _) ->
+ handle_info(Msg, connection, State);
+connection(internal, {recv, _}, State, Connection) ->
+ Connection:passive_receive(State, connection);
+connection(Type, Msg, State, Connection) ->
+ handle_common_event(Type, Msg, connection, State, Connection).
-connection(Msg, State, Connection) ->
- Connection:handle_unexpected_message(Msg, connection, State).
+%%--------------------------------------------------------------------
+-spec downgrade(gen_statem:event_type(), term(),
+ #state{}, tls_connection | dtls_connection) ->
+ gen_statem:state_function_result().
+%%--------------------------------------------------------------------
+downgrade(internal, #alert{description = ?CLOSE_NOTIFY},
+ #state{transport_cb = Transport, socket = Socket,
+ downgrade = {Pid, From}} = State, _) ->
+ ssl_socket:setopts(Transport, Socket, [{active, false}, {packet, 0}, {mode, binary}]),
+ Transport:controlling_process(Socket, Pid),
+ gen_statem:reply(From, {ok, Socket}),
+ {stop, normal, State};
+downgrade(timeout, downgrade, #state{downgrade = {_, From}} = State, _) ->
+ gen_statem:reply(From, {error, timeout}),
+ {stop, normal, State};
+downgrade(Type, Event, State, Connection) ->
+ handle_common_event(Type, Event, downgrade, State, Connection).
%%--------------------------------------------------------------------
-%% Description: Whenever a gen_fsm receives an event sent using
-%% gen_fsm:sync_send_all_state_event/2,3, this function is called to handle
-%% the event.
+%% Event handling functions called by state functions to handle
+%% common or unexpected events for the state.
%%--------------------------------------------------------------------
-handle_sync_event({application_data, Data}, From, connection,
- #state{protocol_cb = Connection} = State) ->
- %% We should look into having a worker process to do this to
- %% parallize send and receive decoding and not block the receiver
- %% if sending is overloading the socket.
- try
- Connection:write_application_data(Data, From, State)
- catch throw:Error ->
- {reply, Error, connection, State, get_timeout(State)}
+handle_common_event(internal, {handshake, {#hello_request{} = Handshake, _}}, connection = StateName,
+ #state{role = client} = State, _) ->
+ %% Should not be included in handshake history
+ {next_state, StateName, State#state{renegotiation = {true, peer}}, [{next_event, internal, Handshake}]};
+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} = State0, Connection) ->
+ %% This function handles client SNI hello extension when Handshake is
+ %% a client_hello, which needs to be determined by the connection callback.
+ %% In other cases this is a noop
+ State = Connection:handle_sni_extension(Handshake, State0),
+ HsHist = ssl_handshake:update_handshake_history(Hs0, Raw),
+ {next_state, StateName, State#state{tls_handshake_history = HsHist},
+ [{next_event, internal, Handshake}]};
+handle_common_event(internal, {tls_record, TLSRecord}, StateName, State, Connection) ->
+ Connection:handle_common_event(internal, TLSRecord, StateName, State);
+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
+ {stop, Reason, State} ->
+ {stop, Reason, State};
+ {Record, State} ->
+ Connection:next_event(StateName, Record, State)
end;
-handle_sync_event({application_data, Data}, From, StateName,
- #state{send_queue = Queue} = State) ->
+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,
+ StateName, State);
+handle_common_event(internal, _, _, _, _) ->
+ {keep_state_and_data, [postpone]};
+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_call({application_data, _Data}, _, _, _, _) ->
%% In renegotiation priorities handshake, send data when handshake is finished
- {next_state, StateName,
- State#state{send_queue = queue:in({From, Data}, Queue)},
- get_timeout(State)};
-
-handle_sync_event({start, Timeout}, StartFrom, hello, #state{role = Role,
- protocol_cb = Connection,
- ssl_options = SSLOpts} = State0) ->
- try
- State = ssl_config(SSLOpts, Role, State0),
- Timer = start_or_recv_cancel_timer(Timeout, StartFrom),
- Connection:hello(start, State#state{start_or_recv_from = StartFrom,
- timer = Timer})
- catch throw:Error ->
- {stop, normal, {error, Error}, State0}
- end;
-
-handle_sync_event({start, {Opts, EmOpts}, Timeout}, From, StateName, State) ->
- try
- handle_sync_event({start, Timeout}, From, StateName, State#state{socket_options = EmOpts,
- ssl_options = Opts})
- catch throw:Error ->
- {stop, normal, {error, Error}, State}
- end;
-
-%% These two clauses below could happen if a server upgrades a socket in
-%% active mode. Note that in this case we are lucky that
-%% controlling_process has been evalueated before receiving handshake
-%% messages from client. The server should put the socket in passive
-%% mode before telling the client that it is willing to upgrade
-%% and before calling ssl:ssl_accept/2. These clauses are
-%% here to make sure it is the users problem and not owers if
-%% they upgrade an active socket.
-handle_sync_event({start,_}, _, connection, State) ->
- {reply, connected, connection, State, get_timeout(State)};
-
-handle_sync_event({start, Timeout}, StartFrom, StateName, #state{role = Role, ssl_options = SslOpts} = State0) ->
- try
- State = ssl_config(SslOpts, Role, State0),
- Timer = start_or_recv_cancel_timer(Timeout, StartFrom),
- {next_state, StateName, State#state{start_or_recv_from = StartFrom,
- timer = Timer}, get_timeout(State)}
- catch throw:Error ->
- {stop, normal, {error, Error}, State0}
- end;
-
-handle_sync_event({close, _} = Close, _, StateName, #state{protocol_cb = Connection} = State) ->
+ {keep_state_and_data, [postpone]};
+handle_call({close, {Pid, Timeout}}, From, StateName, State0, Connection) when is_pid(Pid) ->
+ %% terminate will send close alert to peer
+ State = State0#state{downgrade = {Pid, From}},
+ Connection:terminate(downgrade, StateName, State),
+ %% User downgrades connection
+ %% When downgrading an TLS connection to a transport connection
+ %% we must recive the close alert from the peer before releasing the
+ %% transport socket.
+ {next_state, downgrade, State, [{timeout, Timeout, downgrade}]};
+handle_call({close, _} = Close, From, StateName, State, Connection) ->
%% Run terminate before returning so that the reuseaddr
- %% inet-option and possible downgrade will work as intended.
+ %% inet-option
Result = Connection:terminate(Close, StateName, State),
- {stop, normal, Result, State#state{terminated = true}};
-
-handle_sync_event({shutdown, How0}, _, StateName,
- #state{transport_cb = Transport,
- negotiated_version = Version,
- connection_states = ConnectionStates,
- socket = Socket} = 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}, _) ->
case How0 of
How when How == write; How == both ->
Alert = ?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
@@ -727,95 +864,57 @@ handle_sync_event({shutdown, How0}, _, StateName,
_ ->
ok
end,
-
+
case Transport:shutdown(Socket, How0) of
ok ->
- {reply, ok, StateName, State, get_timeout(State)};
+ {keep_state_and_data, [{reply, From, ok}]};
Error ->
- {stop, normal, Error, State}
+ gen_statem:reply(From, {error, Error}),
+ {stop, normal}
end;
-handle_sync_event({recv, _N, _Timeout}, _RecvFrom, StateName,
- #state{socket_options = #socket_options{active = Active}} = State) when Active =/= false ->
- {reply, {error, einval}, StateName, State, get_timeout(State)};
-handle_sync_event({recv, N, Timeout}, RecvFrom, connection = StateName,
- #state{protocol_cb = Connection} = State0) ->
- Timer = start_or_recv_cancel_timer(Timeout, RecvFrom),
- Connection:passive_receive(State0#state{bytes_to_read = N,
- start_or_recv_from = RecvFrom, timer = Timer}, StateName);
-%% Doing renegotiate wait with handling request until renegotiate is
-%% finished. Will be handled by next_state_is_connection/2.
-handle_sync_event({recv, N, Timeout}, RecvFrom, StateName, State) ->
+handle_call({recv, _N, _Timeout}, From, _,
+ #state{socket_options =
+ #socket_options{active = Active}}, _) when Active =/= false ->
+ {keep_state_and_data, [{reply, From, {error, einval}}]};
+handle_call({recv, N, Timeout}, RecvFrom, StateName, State, _) ->
+ %% Doing renegotiate wait with handling request until renegotiate is
+ %% finished.
Timer = start_or_recv_cancel_timer(Timeout, RecvFrom),
{next_state, StateName, State#state{bytes_to_read = N, start_or_recv_from = RecvFrom,
- timer = Timer},
- get_timeout(State)};
-handle_sync_event({new_user, User}, _From, StateName,
- State =#state{user_application = {OldMon, _}}) ->
+ timer = Timer},
+ [{next_event, internal, {recv, RecvFrom}}]};
+handle_call({new_user, User}, From, StateName,
+ State =#state{user_application = {OldMon, _}}, _) ->
NewMon = erlang:monitor(process, User),
erlang:demonitor(OldMon, [flush]),
- {reply, ok, StateName, State#state{user_application = {NewMon,User}},
- get_timeout(State)};
-handle_sync_event({get_opts, OptTags}, _From, StateName,
+ {next_state, StateName, State#state{user_application = {NewMon,User}},
+ [{reply, From, ok}]};
+handle_call({get_opts, OptTags}, From, _,
#state{socket = Socket,
transport_cb = Transport,
- socket_options = SockOpts} = State) ->
+ socket_options = SockOpts}, _) ->
OptsReply = get_socket_opts(Transport, Socket, OptTags, SockOpts, []),
- {reply, OptsReply, StateName, State, get_timeout(State)};
-handle_sync_event(negotiated_protocol, _From, StateName, #state{negotiated_protocol = undefined} = State) ->
- {reply, {error, protocol_not_negotiated}, StateName, State, get_timeout(State)};
-handle_sync_event(negotiated_protocol, _From, StateName, #state{negotiated_protocol = SelectedProtocol} = State) ->
- {reply, {ok, SelectedProtocol}, StateName, State, get_timeout(State)};
-handle_sync_event({set_opts, Opts0}, _From, StateName0,
- #state{socket_options = Opts1,
- protocol_cb = Connection,
+ {keep_state_and_data, [{reply, From, OptsReply}]};
+handle_call({set_opts, Opts0}, From, StateName,
+ #state{socket_options = Opts1,
socket = Socket,
- transport_cb = Transport,
- user_data_buffer = Buffer} = State0) ->
+ transport_cb = Transport} = State0, _) ->
{Reply, Opts} = set_socket_opts(Transport, Socket, Opts0, Opts1, []),
- State1 = State0#state{socket_options = Opts},
- if
- Opts#socket_options.active =:= false ->
- {reply, Reply, StateName0, State1, get_timeout(State1)};
- Buffer =:= <<>>, Opts1#socket_options.active =:= false ->
- %% Need data, set active once
- {Record, State2} = Connection:next_record_if_active(State1),
- %% Note: Renogotiation may cause StateName0 =/= StateName
- case Connection:next_state(StateName0, StateName0, Record, State2) of
- {next_state, StateName, State, Timeout} ->
- {reply, Reply, StateName, State, Timeout};
- {stop, Reason, State} ->
- {stop, Reason, State}
- end;
- Buffer =:= <<>> ->
- %% Active once already set
- {reply, Reply, StateName0, State1, get_timeout(State1)};
- true ->
- case Connection:read_application_data(<<>>, State1) of
- Stop = {stop,_,_} ->
- Stop;
- {Record, State2} ->
- %% Note: Renogotiation may cause StateName0 =/= StateName
- case Connection:next_state(StateName0, StateName0, Record, State2) of
- {next_state, StateName, State, Timeout} ->
- {reply, Reply, StateName, State, Timeout};
- {stop, Reason, State} ->
- {stop, Reason, State}
- end
- end
- end;
-handle_sync_event(renegotiate, From, connection, #state{protocol_cb = Connection} = State) ->
- Connection:renegotiate(State#state{renegotiation = {true, From}});
-handle_sync_event(renegotiate, _, StateName, State) ->
- {reply, {error, already_renegotiating}, StateName, State, get_timeout(State)};
-handle_sync_event({prf, Secret, Label, Seed, WantedLength}, _, StateName,
- #state{connection_states = ConnectionStates,
- negotiated_version = Version} = State) ->
+ State = State0#state{socket_options = Opts},
+ handle_active_option(Opts#socket_options.active, StateName, From, Reply, State);
+
+handle_call(renegotiate, From, StateName, _, _) when StateName =/= connection ->
+ {keep_state_and_data, [{reply, From, {error, already_renegotiating}}]};
+handle_call({prf, Secret, Label, Seed, WantedLength}, From, _,
+ #state{connection_states = ConnectionStates,
+ negotiated_version = Version}, _) ->
ConnectionState =
ssl_record:current_connection_state(ConnectionStates, read),
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{master_secret = MasterSecret,
client_random = ClientRandom,
- server_random = ServerRandom} = SecParams,
+ server_random = ServerRandom,
+ prf_algorithm = PRFAlgorithm} = SecParams,
Reply = try
SecretToUse = case Secret of
_ when is_binary(Secret) -> Secret;
@@ -826,32 +925,14 @@ handle_sync_event({prf, Secret, Label, Seed, WantedLength}, _, StateName,
(client_random, Acc) -> [ClientRandom|Acc];
(server_random, Acc) -> [ServerRandom|Acc]
end, [], Seed)),
- ssl_handshake:prf(Version, SecretToUse, Label, SeedToUse, WantedLength)
+ ssl_handshake:prf(Version, PRFAlgorithm, SecretToUse, Label, SeedToUse, WantedLength)
catch
exit:_ -> {error, badarg};
error:Reason -> {error, Reason}
end,
- {reply, Reply, StateName, State, get_timeout(State)};
-handle_sync_event(session_info, _, StateName,
- #state{session = #session{session_id = Id,
- cipher_suite = Suite}} = State) ->
- {reply, [{session_id, Id},
- {cipher_suite, ssl_cipher:erl_suite_definition(Suite)}],
- StateName, State, get_timeout(State)};
-handle_sync_event(peer_certificate, _, StateName,
- #state{session = #session{peer_certificate = Cert}}
- = State) ->
- {reply, {ok, Cert}, StateName, State, get_timeout(State)};
-handle_sync_event(connection_information, _, StateName, State) ->
- Info = connection_info(State),
- {reply, {ok, Info}, StateName, State, get_timeout(State)}.
-
-connection_info(#state{sni_hostname = SNIHostname,
- session = #session{cipher_suite = CipherSuite},
- negotiated_version = Version, ssl_options = Opts}) ->
- [{protocol, tls_record:protocol_version(Version)},
- {cipher_suite, ssl_cipher:erl_suite_definition(CipherSuite)},
- {sni_hostname, SNIHostname}] ++ ssl_options_list(Opts).
+ {keep_state_and_data, [{reply, From, Reply}]};
+handle_call(_,_,_,_,_) ->
+ {keep_state_and_data, [postpone]}.
handle_info({ErrorTag, Socket, econnaborted}, StateName,
#state{socket = Socket, transport_cb = Transport,
@@ -859,7 +940,8 @@ handle_info({ErrorTag, Socket, econnaborted}, StateName,
protocol_cb = Connection,
error_tag = ErrorTag,
tracker = Tracker} = State) when StateName =/= connection ->
- Connection:alert_user(Transport, Tracker,Socket, StartFrom, ?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), Role),
+ Connection:alert_user(Transport, Tracker,Socket,
+ StartFrom, ?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), Role),
{stop, normal, State};
handle_info({ErrorTag, Socket, Reason}, StateName, #state{socket = Socket,
@@ -882,47 +964,46 @@ handle_info({'EXIT', Socket, normal}, _StateName, #state{socket = Socket} = Stat
{stop, {shutdown, transport_closed}, State};
handle_info(allow_renegotiate, StateName, State) ->
- {next_state, StateName, State#state{allow_renegotiate = true}, get_timeout(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 ->
- gen_fsm:reply(StartFrom, {error, timeout}),
- {stop, {shutdown, user_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) ->
- gen_fsm:reply(RecvFrom, {error, timeout}),
+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,
bytes_to_read = undefined,
- timer = undefined}, get_timeout(State)};
+ timer = undefined}, [{reply, RecvFrom, {error, timeout}}]};
handle_info({cancel_start_or_recv, _RecvFrom}, StateName, State) ->
- {next_state, StateName, State#state{timer = undefined}, get_timeout(State)};
+ {next_state, StateName, State#state{timer = undefined}};
handle_info(Msg, StateName, #state{socket = Socket, error_tag = Tag} = State) ->
Report = io_lib:format("SSL: Got unexpected info: ~p ~n", [{Msg, Tag, Socket}]),
error_logger:info_report(Report),
- {next_state, StateName, State, get_timeout(State)}.
-
+ {next_state, StateName, State}.
+%%--------------------------------------------------------------------
+%% gen_statem callbacks
+%%--------------------------------------------------------------------
terminate(_, _, #state{terminated = true}) ->
%% Happens when user closes the connection using ssl:close/1
%% we want to guarantee that Transport:close has been called
%% when ssl:close/1 returns.
ok;
+
terminate({shutdown, transport_closed} = Reason,
- _StateName, #state{send_queue = SendQueue, protocol_cb = Connection,
- socket = Socket, transport_cb = Transport,
- renegotiation = Renegotiate} = State) ->
+ _StateName, #state{protocol_cb = Connection,
+ socket = Socket, transport_cb = Transport} = State) ->
handle_trusted_certs_db(State),
- notify_senders(SendQueue),
- notify_renegotiater(Renegotiate),
Connection:close(Reason, Socket, Transport, undefined, undefined);
-terminate({shutdown, own_alert}, _StateName, #state{send_queue = SendQueue, protocol_cb = Connection,
- socket = Socket, transport_cb = Transport,
- renegotiation = Renegotiate} = State) ->
+terminate({shutdown, own_alert}, _StateName, #state{%%send_queue = SendQueue,
+ protocol_cb = Connection,
+ socket = Socket,
+ transport_cb = Transport} = State) ->
handle_trusted_certs_db(State),
- notify_senders(SendQueue),
- notify_renegotiater(Renegotiate),
case application:get_env(ssl, alert_timeout) of
{ok, Timeout} when is_integer(Timeout) ->
Connection:close({timeout, Timeout}, Socket, Transport, undefined, undefined);
@@ -933,26 +1014,22 @@ terminate(Reason, connection, #state{negotiated_version = Version,
protocol_cb = Connection,
connection_states = ConnectionStates0,
ssl_options = #ssl_options{padding_check = Check},
- transport_cb = Transport, socket = Socket,
- send_queue = SendQueue, renegotiation = Renegotiate} = State) ->
+ transport_cb = Transport, socket = Socket
+ } = State) ->
handle_trusted_certs_db(State),
- notify_senders(SendQueue),
- notify_renegotiater(Renegotiate),
{BinAlert, ConnectionStates} = terminate_alert(Reason, Version, ConnectionStates0),
Transport:send(Socket, BinAlert),
Connection:close(Reason, Socket, Transport, ConnectionStates, Check);
terminate(Reason, _StateName, #state{transport_cb = Transport, protocol_cb = Connection,
- socket = Socket, send_queue = SendQueue,
- renegotiation = Renegotiate} = State) ->
+ socket = Socket
+ } = State) ->
handle_trusted_certs_db(State),
- notify_senders(SendQueue),
- notify_renegotiater(Renegotiate),
Connection:close(Reason, Socket, Transport, undefined, undefined).
-format_status(normal, [_, State]) ->
- [{data, [{"StateData", State}]}];
-format_status(terminate, [_, State]) ->
+format_status(normal, [_, StateName, State]) ->
+ [{data, [{"State", {StateName, State}}]}];
+format_status(terminate, [_, StateName, State]) ->
SslOptions = (State#state.ssl_options),
NewOptions = SslOptions#ssl_options{password = ?SECRET_PRINTOUT,
cert = ?SECRET_PRINTOUT,
@@ -961,39 +1038,29 @@ format_status(terminate, [_, State]) ->
dh = ?SECRET_PRINTOUT,
psk_identity = ?SECRET_PRINTOUT,
srp_identity = ?SECRET_PRINTOUT},
- [{data, [{"StateData", State#state{connection_states = ?SECRET_PRINTOUT,
- protocol_buffers = ?SECRET_PRINTOUT,
- user_data_buffer = ?SECRET_PRINTOUT,
- tls_handshake_history = ?SECRET_PRINTOUT,
- session = ?SECRET_PRINTOUT,
- private_key = ?SECRET_PRINTOUT,
- diffie_hellman_params = ?SECRET_PRINTOUT,
- diffie_hellman_keys = ?SECRET_PRINTOUT,
- srp_params = ?SECRET_PRINTOUT,
- srp_keys = ?SECRET_PRINTOUT,
- premaster_secret = ?SECRET_PRINTOUT,
- ssl_options = NewOptions
- }}]}].
+ [{data, [{"State", {StateName, State#state{connection_states = ?SECRET_PRINTOUT,
+ protocol_buffers = ?SECRET_PRINTOUT,
+ user_data_buffer = ?SECRET_PRINTOUT,
+ tls_handshake_history = ?SECRET_PRINTOUT,
+ session = ?SECRET_PRINTOUT,
+ private_key = ?SECRET_PRINTOUT,
+ diffie_hellman_params = ?SECRET_PRINTOUT,
+ diffie_hellman_keys = ?SECRET_PRINTOUT,
+ srp_params = ?SECRET_PRINTOUT,
+ srp_keys = ?SECRET_PRINTOUT,
+ premaster_secret = ?SECRET_PRINTOUT,
+ ssl_options = NewOptions}
+ }}]}].
+
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
-ssl_config(Opts, Role, State) ->
- {ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, CRLDbInfo, OwnCert, Key, DHParams} =
- 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 = CRLDbInfo,
- session_cache = CacheHandle,
- private_key = Key,
- diffie_hellman_params = DHParams,
- ssl_options = Opts}.
+connection_info(#state{sni_hostname = SNIHostname,
+ session = #session{cipher_suite = CipherSuite},
+ negotiated_version = Version, ssl_options = Opts}) ->
+ [{protocol, tls_record:protocol_version(Version)},
+ {cipher_suite, ssl_cipher:erl_suite_definition(CipherSuite)},
+ {sni_hostname, SNIHostname}] ++ ssl_options_list(Opts).
do_server_hello(Type, #hello_extensions{next_protocol_negotiation = NextProtocols} =
ServerHelloExt,
@@ -1027,7 +1094,7 @@ new_server_hello(#server_hello{cipher_suite = CipherSuite,
cipher_suite = CipherSuite,
compression_method = Compression},
{Record, State} = Connection:next_record(State2#state{session = Session}),
- Connection:next_state(hello, certify, Record, State)
+ Connection:next_event(certify, Record, State)
catch
#alert{} = Alert ->
Connection:handle_own_alert(Alert, Version, hello, State0)
@@ -1045,7 +1112,7 @@ resumed_server_hello(#state{session = Session,
State2 =
finalize_handshake(State1, abbreviated, Connection),
{Record, State} = Connection:next_record(State2),
- Connection:next_state(hello, abbreviated, Record, State);
+ Connection:next_event(abbreviated, Record, State);
#alert{} = Alert ->
Connection:handle_own_alert(Alert, Version, hello, State0)
end.
@@ -1070,7 +1137,7 @@ handle_peer_cert(Role, PeerCert, PublicKeyInfo,
State2 = handle_peer_cert_key(Role, PeerCert, PublicKeyInfo, KeyAlg, State1),
{Record, State} = Connection:next_record(State2),
- Connection:next_state(certify, certify, Record, State).
+ Connection:next_event(certify, Record, State).
handle_peer_cert_key(client, _,
{?'id-ecPublicKey', #'ECPoint'{point = _ECPoint} = PublicKey,
@@ -1133,7 +1200,7 @@ client_certify_and_key_exchange(#state{negotiated_version = Version} =
%% Reinitialize
client_certificate_requested = false},
{Record, State} = Connection:next_record(State3),
- Connection:next_state(certify, cipher, Record, State)
+ Connection:next_event(cipher, Record, State)
catch
throw:#alert{} = Alert ->
Connection:handle_own_alert(Alert, Version, certify, State0)
@@ -1167,20 +1234,25 @@ certify_client_key_exchange(#client_ec_diffie_hellman_public{dh_public = ClientP
calculate_master_secret(PremasterSecret, State, Connection, certify, cipher);
certify_client_key_exchange(#client_psk_identity{} = ClientKey,
- #state{ssl_options = #ssl_options{user_lookup_fun = PSKLookup}} = State0, Connection) ->
+ #state{ssl_options =
+ #ssl_options{user_lookup_fun = PSKLookup}} = State0,
+ Connection) ->
PremasterSecret = ssl_handshake:premaster_secret(ClientKey, PSKLookup),
calculate_master_secret(PremasterSecret, State0, Connection, certify, cipher);
certify_client_key_exchange(#client_dhe_psk_identity{} = ClientKey,
#state{diffie_hellman_params = #'DHParameter'{} = Params,
diffie_hellman_keys = {_, ServerDhPrivateKey},
- ssl_options = #ssl_options{user_lookup_fun = PSKLookup}} = State0,
+ ssl_options =
+ #ssl_options{user_lookup_fun = PSKLookup}} = State0,
Connection) ->
- PremasterSecret = ssl_handshake:premaster_secret(ClientKey, ServerDhPrivateKey, Params, PSKLookup),
+ PremasterSecret =
+ ssl_handshake:premaster_secret(ClientKey, ServerDhPrivateKey, Params, PSKLookup),
calculate_master_secret(PremasterSecret, State0, Connection, certify, cipher);
certify_client_key_exchange(#client_rsa_psk_identity{} = ClientKey,
#state{private_key = Key,
- ssl_options = #ssl_options{user_lookup_fun = PSKLookup}} = State0,
+ ssl_options =
+ #ssl_options{user_lookup_fun = PSKLookup}} = State0,
Connection) ->
PremasterSecret = ssl_handshake:premaster_secret(ClientKey, Key, PSKLookup),
calculate_master_secret(PremasterSecret, State0, Connection, certify, cipher);
@@ -1192,8 +1264,11 @@ certify_client_key_exchange(#client_srp_public{} = ClientKey,
PremasterSecret = ssl_handshake:premaster_secret(ClientKey, Key, Params),
calculate_master_secret(PremasterSecret, State0, Connection, certify, cipher).
-certify_server(#state{key_algorithm = Algo} = State, _)
- when Algo == dh_anon; Algo == ecdh_anon; Algo == psk; Algo == dhe_psk; Algo == srp_anon ->
+certify_server(#state{key_algorithm = Algo} = State, _) when Algo == dh_anon;
+ Algo == ecdh_anon;
+ Algo == psk;
+ Algo == dhe_psk;
+ Algo == srp_anon ->
State;
certify_server(#state{cert_db = CertDbHandle,
@@ -1291,10 +1366,11 @@ key_exchange(#state{role = server, key_algorithm = dhe_psk,
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
- Msg = ssl_handshake:key_exchange(server, Version, {dhe_psk, PskIdentityHint, DHKeys, Params,
- HashSignAlgo, ClientRandom,
- ServerRandom,
- PrivateKey}),
+ Msg = ssl_handshake:key_exchange(server, Version, {dhe_psk,
+ PskIdentityHint, DHKeys, Params,
+ HashSignAlgo, ClientRandom,
+ ServerRandom,
+ PrivateKey}),
State = Connection:send_handshake(Msg, State0),
State#state{diffie_hellman_keys = DHKeys};
@@ -1383,7 +1459,8 @@ key_exchange(#state{role = client,
ssl_options = SslOpts,
key_algorithm = psk,
negotiated_version = Version} = State0, Connection) ->
- Msg = ssl_handshake:key_exchange(client, Version, {psk, SslOpts#ssl_options.psk_identity}),
+ Msg = ssl_handshake:key_exchange(client, Version,
+ {psk, SslOpts#ssl_options.psk_identity}),
Connection:send_handshake(Msg, State0);
key_exchange(#state{role = client,
@@ -1392,7 +1469,8 @@ key_exchange(#state{role = client,
negotiated_version = Version,
diffie_hellman_keys = {DhPubKey, _}} = State0, Connection) ->
Msg = ssl_handshake:key_exchange(client, Version,
- {dhe_psk, SslOpts#ssl_options.psk_identity, DhPubKey}),
+ {dhe_psk,
+ SslOpts#ssl_options.psk_identity, DhPubKey}),
Connection:send_handshake(Msg, State0);
key_exchange(#state{role = client,
ssl_options = SslOpts,
@@ -1430,9 +1508,10 @@ rsa_key_exchange(Version, PremasterSecret, PublicKeyInfo = {Algorithm, _, _})
{premaster_secret, PremasterSecret,
PublicKeyInfo});
rsa_key_exchange(_, _, _) ->
- throw (?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE)).
+ throw (?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE, pub_key_is_not_rsa)).
-rsa_psk_key_exchange(Version, PskIdentity, PremasterSecret, PublicKeyInfo = {Algorithm, _, _})
+rsa_psk_key_exchange(Version, PskIdentity, PremasterSecret,
+ PublicKeyInfo = {Algorithm, _, _})
when Algorithm == ?rsaEncryption;
Algorithm == ?md2WithRSAEncryption;
Algorithm == ?md5WithRSAEncryption;
@@ -1446,9 +1525,10 @@ rsa_psk_key_exchange(Version, PskIdentity, PremasterSecret, PublicKeyInfo = {Alg
{psk_premaster_secret, PskIdentity, PremasterSecret,
PublicKeyInfo});
rsa_psk_key_exchange(_, _, _, _) ->
- throw (?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE)).
+ throw (?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE, pub_key_is_not_rsa)).
-request_client_cert(#state{ssl_options = #ssl_options{verify = verify_peer},
+request_client_cert(#state{ssl_options = #ssl_options{verify = verify_peer,
+ signature_algs = SupportedHashSigns},
connection_states = ConnectionStates0,
cert_db = CertDbHandle,
cert_db_ref = CertDbRef,
@@ -1456,7 +1536,9 @@ request_client_cert(#state{ssl_options = #ssl_options{verify = verify_peer},
#connection_state{security_parameters =
#security_parameters{cipher_suite = CipherSuite}} =
ssl_record:pending_connection_state(ConnectionStates0, read),
- Msg = ssl_handshake:certificate_request(CipherSuite, CertDbHandle, CertDbRef, Version),
+ HashSigns = ssl_handshake:available_signature_algs(SupportedHashSigns, Version, [Version]),
+ Msg = ssl_handshake:certificate_request(CipherSuite, CertDbHandle, CertDbRef,
+ HashSigns, Version),
State = Connection:send_handshake(Msg, State0),
State#state{client_certificate_requested = true};
@@ -1464,10 +1546,11 @@ request_client_cert(#state{ssl_options = #ssl_options{verify = verify_none}} =
State, _) ->
State.
-calculate_master_secret(PremasterSecret, #state{negotiated_version = Version,
- connection_states = ConnectionStates0,
- session = Session0} = State0, Connection,
- Current, Next) ->
+calculate_master_secret(PremasterSecret,
+ #state{negotiated_version = Version,
+ connection_states = ConnectionStates0,
+ session = Session0} = State0, Connection,
+ _Current, Next) ->
case ssl_handshake:master_secret(record_cb(Connection), Version, PremasterSecret,
ConnectionStates0, server) of
{MasterSecret, ConnectionStates} ->
@@ -1475,7 +1558,7 @@ calculate_master_secret(PremasterSecret, #state{negotiated_version = Version,
State1 = State0#state{connection_states = ConnectionStates,
session = Session},
{Record, State} = Connection:next_record(State1),
- Connection:next_state(Current, Next, Record, State);
+ Connection:next_event(Next, Record, State);
#alert{} = Alert ->
Connection:handle_own_alert(Alert, Version, certify, State0)
end.
@@ -1526,31 +1609,36 @@ save_verify_data(client, #finished{verify_data = Data}, ConnectionStates, abbrev
save_verify_data(server, #finished{verify_data = Data}, ConnectionStates, abbreviated) ->
ssl_record:set_server_verify_data(current_write, Data, ConnectionStates).
-calculate_secret(#server_dh_params{dh_p = Prime, dh_g = Base, dh_y = ServerPublicDhKey} = Params,
- State, Connection) ->
+calculate_secret(#server_dh_params{dh_p = Prime, dh_g = Base,
+ dh_y = ServerPublicDhKey} = Params,
+ State, Connection) ->
Keys = {_, PrivateDhKey} = crypto:generate_key(dh, [Prime, Base]),
PremasterSecret =
ssl_handshake:premaster_secret(ServerPublicDhKey, PrivateDhKey, Params),
calculate_master_secret(PremasterSecret,
- State#state{diffie_hellman_keys = Keys}, Connection, certify, certify);
+ State#state{diffie_hellman_keys = Keys},
+ Connection, certify, certify);
calculate_secret(#server_ecdh_params{curve = ECCurve, public = ECServerPubKey},
State, Connection) ->
ECDHKeys = public_key:generate_key(ECCurve),
- PremasterSecret = ssl_handshake:premaster_secret(#'ECPoint'{point = ECServerPubKey}, ECDHKeys),
+ PremasterSecret =
+ ssl_handshake:premaster_secret(#'ECPoint'{point = ECServerPubKey}, ECDHKeys),
calculate_master_secret(PremasterSecret,
- State#state{diffie_hellman_keys = ECDHKeys}, Connection, certify, certify);
+ State#state{diffie_hellman_keys = ECDHKeys},
+ Connection, certify, certify);
calculate_secret(#server_psk_params{
- hint = IdentityHint},
+ hint = IdentityHint},
State0, Connection) ->
%% store for later use
{Record, State} = Connection:next_record(State0#state{psk_identity = IdentityHint}),
- Connection:next_state(certify, certify, Record, State);
+ Connection:next_event(certify, Record, State);
calculate_secret(#server_dhe_psk_params{
dh_params = #server_dh_params{dh_p = Prime, dh_g = Base}} = ServerKey,
- #state{ssl_options = #ssl_options{user_lookup_fun = PSKLookup}} = State, Connection) ->
+ #state{ssl_options = #ssl_options{user_lookup_fun = PSKLookup}} =
+ State, Connection) ->
Keys = {_, PrivateDhKey} =
crypto:generate_key(dh, [Prime, Base]),
PremasterSecret = ssl_handshake:premaster_secret(ServerKey, PrivateDhKey, PSKLookup),
@@ -1558,10 +1646,12 @@ calculate_secret(#server_dhe_psk_params{
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) ->
+ #state{ssl_options = #ssl_options{srp_identity = SRPId}} = State,
+ Connection) ->
Keys = generate_srp_client_keys(Generator, Prime, 0),
PremasterSecret = ssl_handshake:premaster_secret(ServerKey, Keys, SRPId),
- calculate_master_secret(PremasterSecret, State#state{srp_keys = Keys}, Connection, certify, certify).
+ calculate_master_secret(PremasterSecret, State#state{srp_keys = Keys}, Connection,
+ certify, certify).
master_secret(#alert{} = Alert, _) ->
Alert;
@@ -1617,21 +1707,23 @@ handle_srp_identity(Username, {Fun, UserState}) ->
end.
-cipher_role(client, Data, Session, #state{connection_states = ConnectionStates0} = State,
+cipher_role(client, Data, Session, #state{connection_states = ConnectionStates0} = State0,
Connection) ->
- ConnectionStates = ssl_record:set_server_verify_data(current_both, Data, ConnectionStates0),
- Connection:next_state_connection(cipher,
- ack_connection(
- State#state{session = Session,
- connection_states = ConnectionStates}));
-
+ ConnectionStates = ssl_record:set_server_verify_data(current_both, Data,
+ ConnectionStates0),
+ {Record, State} = prepare_connection(State0#state{session = Session,
+ connection_states = ConnectionStates},
+ Connection),
+ Connection:next_event(connection, Record, State);
cipher_role(server, Data, Session, #state{connection_states = ConnectionStates0} = State0,
Connection) ->
- ConnectionStates1 = ssl_record:set_client_verify_data(current_read, Data, ConnectionStates0),
- State =
+ ConnectionStates1 = ssl_record:set_client_verify_data(current_read, Data,
+ ConnectionStates0),
+ State1 =
finalize_handshake(State0#state{connection_states = ConnectionStates1,
session = Session}, cipher, Connection),
- Connection:next_state_connection(cipher, ack_connection(State#state{session = Session})).
+ {Record, State} = prepare_connection(State1, Connection),
+ Connection:next_event(connection, Record, State).
select_curve(#state{client_ecc = {[Curve|_], _}}) ->
{namedCurve, Curve};
@@ -1665,8 +1757,8 @@ record_cb(tls_connection) ->
record_cb(dtls_connection) ->
dtls_record.
-sync_send_all_state_event(FsmPid, Event) ->
- try gen_fsm:sync_send_all_state_event(FsmPid, Event, infinity)
+call(FsmPid, Event) ->
+ try gen_statem:call(FsmPid, Event)
catch
exit:{noproc, _} ->
{error, closed};
@@ -1722,38 +1814,42 @@ set_socket_opts(Transport, Socket, [], SockOpts, Other) ->
{{error, {options, {socket_options, Other, Error}}}, SockOpts}
end;
-set_socket_opts(Transport,Socket, [{mode, Mode}| Opts], SockOpts, Other) when Mode == list; Mode == binary ->
+set_socket_opts(Transport,Socket, [{mode, Mode}| Opts], SockOpts, Other)
+ when Mode == list; Mode == binary ->
set_socket_opts(Transport, Socket, Opts,
SockOpts#socket_options{mode = Mode}, Other);
set_socket_opts(_, _, [{mode, _} = Opt| _], SockOpts, _) ->
{{error, {options, {socket_options, Opt}}}, SockOpts};
-set_socket_opts(Transport,Socket, [{packet, Packet}| Opts], SockOpts, Other) when Packet == raw;
- Packet == 0;
- Packet == 1;
- Packet == 2;
- Packet == 4;
- Packet == asn1;
- Packet == cdr;
- Packet == sunrm;
- Packet == fcgi;
- Packet == tpkt;
- Packet == line;
- Packet == http;
- Packet == httph;
- Packet == http_bin;
- Packet == httph_bin ->
+set_socket_opts(Transport,Socket, [{packet, Packet}| Opts], SockOpts, Other)
+ when Packet == raw;
+ Packet == 0;
+ Packet == 1;
+ Packet == 2;
+ Packet == 4;
+ Packet == asn1;
+ Packet == cdr;
+ Packet == sunrm;
+ Packet == fcgi;
+ Packet == tpkt;
+ Packet == line;
+ Packet == http;
+ Packet == httph;
+ Packet == http_bin;
+ Packet == httph_bin ->
set_socket_opts(Transport, Socket, Opts,
SockOpts#socket_options{packet = Packet}, Other);
set_socket_opts(_, _, [{packet, _} = Opt| _], SockOpts, _) ->
{{error, {options, {socket_options, Opt}}}, SockOpts};
-set_socket_opts(Transport, Socket, [{header, Header}| Opts], SockOpts, Other) when is_integer(Header) ->
+set_socket_opts(Transport, Socket, [{header, Header}| Opts], SockOpts, Other)
+ when is_integer(Header) ->
set_socket_opts(Transport, Socket, Opts,
SockOpts#socket_options{header = Header}, Other);
set_socket_opts(_, _, [{header, _} = Opt| _], SockOpts, _) ->
{{error,{options, {socket_options, Opt}}}, SockOpts};
-set_socket_opts(Transport, Socket, [{active, Active}| Opts], SockOpts, Other) when Active == once;
- Active == true;
- Active == false ->
+set_socket_opts(Transport, Socket, [{active, Active}| Opts], SockOpts, Other)
+ when Active == once;
+ Active == true;
+ Active == false ->
set_socket_opts(Transport, Socket, Opts,
SockOpts#socket_options{active = Active}, Other);
set_socket_opts(_, _, [{active, _} = Opt| _], SockOpts, _) ->
@@ -1766,11 +1862,13 @@ start_or_recv_cancel_timer(infinity, _RecvFrom) ->
start_or_recv_cancel_timer(Timeout, RecvFrom) ->
erlang:send_after(Timeout, self(), {cancel_start_or_recv, RecvFrom}).
-get_timeout(#state{ssl_options=#ssl_options{hibernate_after = undefined}}) ->
- infinity;
-get_timeout(#state{ssl_options=#ssl_options{hibernate_after = HibernateAfter}}) ->
- HibernateAfter.
-
+hibernate_after(connection = StateName,
+ #state{ssl_options=#ssl_options{hibernate_after = HibernateAfter}} = State,
+ Actions) ->
+ {next_state, StateName, State, [{timeout, HibernateAfter, hibernate} | Actions]};
+hibernate_after(StateName, State, Actions) ->
+ {next_state, StateName, State, Actions}.
+
terminate_alert(normal, Version, ConnectionStates) ->
ssl_alert:encode(?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
Version, ConnectionStates);
@@ -1780,10 +1878,12 @@ terminate_alert({Reason, _}, Version, ConnectionStates) when Reason == close;
Version, ConnectionStates);
terminate_alert(_, Version, ConnectionStates) ->
- ssl_alert:encode(?ALERT_REC(?FATAL, ?INTERNAL_ERROR),
- Version, ConnectionStates).
+ {BinAlert, _} = ssl_alert:encode(?ALERT_REC(?FATAL, ?INTERNAL_ERROR),
+ Version, ConnectionStates),
+ BinAlert.
-handle_trusted_certs_db(#state{ssl_options = #ssl_options{cacertfile = <<>>, cacerts = []}}) ->
+handle_trusted_certs_db(#state{ssl_options =
+ #ssl_options{cacertfile = <<>>, cacerts = []}}) ->
%% No trusted certs specified
ok;
handle_trusted_certs_db(#state{cert_db_ref = Ref,
@@ -1793,7 +1893,8 @@ handle_trusted_certs_db(#state{cert_db_ref = Ref,
%% with other connections and it is safe to delete them when the connection ends.
ssl_pkix_db:remove_trusted_certs(Ref, CertDb);
handle_trusted_certs_db(#state{file_ref_db = undefined}) ->
- %% Something went wrong early (typically cacertfile does not exist) so there is nothing to handle
+ %% Something went wrong early (typically cacertfile does not
+ %% exist) so there is nothing to handle
ok;
handle_trusted_certs_db(#state{cert_db_ref = Ref,
file_ref_db = RefDb,
@@ -1805,29 +1906,31 @@ handle_trusted_certs_db(#state{cert_db_ref = Ref,
ok
end.
-notify_senders(SendQueue) ->
- lists:foreach(fun({From, _}) ->
- gen_fsm:reply(From, {error, closed})
- end, queue:to_list(SendQueue)).
-
-notify_renegotiater({true, From}) when not is_atom(From) ->
- gen_fsm:reply(From, {error, closed});
-notify_renegotiater(_) ->
- ok.
+prepare_connection(#state{renegotiation = Renegotiate,
+ start_or_recv_from = RecvFrom} = State0, Connection)
+ when Renegotiate =/= {false, first},
+ RecvFrom =/= undefined ->
+ State1 = Connection:reinit_handshake_data(State0),
+ {Record, State} = Connection:next_record(State1),
+ {Record, ack_connection(State)};
+prepare_connection(State0, Connection) ->
+ State = Connection:reinit_handshake_data(State0),
+ {no_record, ack_connection(State)}.
ack_connection(#state{renegotiation = {true, Initiater}} = State)
when Initiater == internal;
Initiater == peer ->
State#state{renegotiation = undefined};
ack_connection(#state{renegotiation = {true, From}} = State) ->
- gen_fsm:reply(From, ok),
+ gen_statem:reply(From, ok),
State#state{renegotiation = undefined};
ack_connection(#state{renegotiation = {false, first},
start_or_recv_from = StartFrom,
timer = Timer} = State) when StartFrom =/= undefined ->
- gen_fsm:reply(StartFrom, connected),
+ gen_statem:reply(StartFrom, connected),
cancel_timer(Timer),
- State#state{renegotiation = undefined, start_or_recv_from = undefined, timer = undefined};
+ State#state{renegotiation = undefined,
+ start_or_recv_from = undefined, timer = undefined};
ack_connection(State) ->
State.
@@ -1848,13 +1951,14 @@ register_session(server, _, Port, #session{is_resumable = new} = Session0) ->
register_session(_, _, _, Session) ->
Session. %% Already registered
-handle_new_session(NewId, CipherSuite, Compression, #state{session = Session0,
- protocol_cb = Connection} = State0) ->
+handle_new_session(NewId, CipherSuite, Compression,
+ #state{session = Session0,
+ protocol_cb = Connection} = State0) ->
Session = Session0#session{session_id = NewId,
cipher_suite = CipherSuite,
compression_method = Compression},
{Record, State} = Connection:next_record(State0#state{session = Session}),
- Connection:next_state(hello, certify, Record, State).
+ Connection:next_event(certify, Record, State).
handle_resumed_session(SessId, #state{connection_states = ConnectionStates0,
negotiated_version = Version,
@@ -1870,26 +1974,27 @@ handle_resumed_session(SessId, #state{connection_states = ConnectionStates0,
Connection:next_record(State0#state{
connection_states = ConnectionStates,
session = Session}),
- Connection:next_state(hello, abbreviated, Record, State);
+ Connection:next_event(abbreviated, Record, State);
#alert{} = Alert ->
Connection:handle_own_alert(Alert, Version, hello, State0)
end.
make_premaster_secret({MajVer, MinVer}, rsa) ->
- Rand = ssl:random_bytes(?NUM_OF_PREMASTERSECRET_BYTES-2),
+ Rand = ssl_cipher:random_bytes(?NUM_OF_PREMASTERSECRET_BYTES-2),
<<?BYTE(MajVer), ?BYTE(MinVer), Rand/binary>>;
make_premaster_secret(_, _) ->
undefined.
-negotiated_hashsign(undefined, Alg, Version) ->
+negotiated_hashsign(undefined, KexAlg, PubKeyInfo, Version) ->
%% Not negotiated choose default
- case is_anonymous(Alg) of
+ case is_anonymous(KexAlg) of
true ->
{null, anon};
false ->
- ssl_handshake:select_hashsign_algs(Alg, Version)
+ {PubAlg, _, _} = PubKeyInfo,
+ ssl_handshake:select_hashsign_algs(undefined, PubAlg, Version)
end;
-negotiated_hashsign(HashSign = {_, _}, _, _) ->
+negotiated_hashsign(HashSign = {_, _}, _, _, _) ->
HashSign.
ssl_options_list(SslOptions) ->
@@ -1916,4 +2021,39 @@ ssl_options_list([ciphers = Key | Keys], [Value | Values], Acc) ->
ssl_options_list([Key | Keys], [Value | Values], Acc) ->
ssl_options_list(Keys, Values, [{Key, Value} | Acc]).
-
+handle_active_option(false, connection = StateName, To, Reply, State) ->
+ hibernate_after(StateName, State, [{reply, To, Reply}]);
+
+handle_active_option(_, connection = StateName0, To, Reply, #state{protocol_cb = Connection,
+ user_data_buffer = <<>>} = State0) ->
+ %% Need data, set active once
+ {Record, State1} = Connection:next_record_if_active(State0),
+ %% Note: Renogotiation may cause StateName0 =/= StateName
+ case Connection:next_event(StateName0, Record, State1) of
+ {next_state, StateName, State} ->
+ 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}
+ end;
+handle_active_option(_, StateName, To, Reply, #state{user_data_buffer = <<>>} = State) ->
+ %% Active once already set
+ {next_state, StateName, State, [{reply, To, Reply}]};
+
+%% user_data_buffer =/= <<>>
+handle_active_option(_, StateName0, To, Reply, #state{protocol_cb = Connection} = State0) ->
+ case Connection:read_application_data(<<>>, State0) of
+ {stop, Reason, State} ->
+ {stop, Reason, State};
+ {Record, State1} ->
+ %% Note: Renogotiation may cause StateName0 =/= StateName
+ case Connection:next_event(StateName0, Record, State1) of
+ {next_state, StateName, State} ->
+ hibernate_after(StateName, State, [{reply, To, Reply}]);
+ {next_state, StateName, State, Actions} ->
+ hibernate_after(StateName, State, [{reply, To, Reply} | Actions]);
+ {stop, _, _} = Stop ->
+ Stop
+ end
+ end.