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-rw-r--r--lib/ssl/src/ssl.erl31
-rw-r--r--lib/ssl/src/ssl_connection.erl97
-rw-r--r--lib/ssl/src/ssl_handshake.erl12
-rw-r--r--lib/ssl/src/tls_connection.erl15
-rw-r--r--lib/ssl/src/tls_handshake.erl3
5 files changed, 92 insertions, 66 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index dbbb25025c..51732b4a59 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -400,24 +400,23 @@ negotiated_next_protocol(Socket) ->
end.
%%--------------------------------------------------------------------
+-spec cipher_suites() -> [ssl_cipher:erl_cipher_suite()] | [string()].
+%%--------------------------------------------------------------------
+cipher_suites() ->
+ cipher_suites(erlang).
+%%--------------------------------------------------------------------
-spec cipher_suites(erlang | openssl | all) -> [ssl_cipher:erl_cipher_suite()] |
[string()].
%% Description: Returns all supported cipher suites.
%%--------------------------------------------------------------------
cipher_suites(erlang) ->
- Version = tls_record:highest_protocol_version([]),
- ssl_cipher:filter_suites([ssl_cipher:erl_suite_definition(S)
- || S <- ssl_cipher:suites(Version)]);
+ [ssl_cipher:erl_suite_definition(Suite) || Suite <- available_suites(default)];
+
cipher_suites(openssl) ->
- Version = tls_record:highest_protocol_version([]),
- [ssl_cipher:openssl_suite_name(S)
- || S <- ssl_cipher:filter_suites(ssl_cipher:suites(Version))];
+ [ssl_cipher:openssl_suite_name(Suite) || Suite <- available_suites(default)];
+
cipher_suites(all) ->
- Version = tls_record:highest_protocol_version([]),
- ssl_cipher:filter_suites([ssl_cipher:erl_suite_definition(S)
- || S <-ssl_cipher:all_suites(Version)]).
-cipher_suites() ->
- cipher_suites(erlang).
+ [ssl_cipher:erl_suite_definition(Suite) || Suite <- available_suites(all)].
%%--------------------------------------------------------------------
-spec getopts(#sslsocket{}, [gen_tcp:option_name()]) ->
@@ -584,6 +583,16 @@ format_error(Error) ->
%%%--------------------------------------------------------------
%%% Internal functions
%%%--------------------------------------------------------------------
+
+%% Possible filters out suites not supported by crypto
+available_suites(default) ->
+ Version = tls_record:highest_protocol_version([]),
+ ssl_cipher:filter_suites(ssl_cipher:suites(Version));
+
+available_suites(all) ->
+ Version = tls_record:highest_protocol_version([]),
+ ssl_cipher:filter_suites(ssl_cipher:all_suites(Version)).
+
do_connect(Address, Port,
#config{transport_info = CbInfo, inet_user = UserOpts, ssl = SslOpts,
emulated = EmOpts, inet_ssl = SocketOpts, connection_cb = ConnetionCb},
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 57fa1b904e..089b3615c6 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -875,48 +875,14 @@ handle_call({get_opts, OptTags}, From, _,
socket_options = SockOpts}, _) ->
OptsReply = get_socket_opts(Transport, Socket, OptTags, SockOpts, []),
{keep_state_and_data, [{reply, From, OptsReply}]};
-handle_call({set_opts, Opts0}, From, connection = StateName0,
+handle_call({set_opts, Opts0}, From, StateName,
#state{socket_options = Opts1,
- protocol_cb = Connection,
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 ->
- hibernate_after(StateName0, State1, [{reply, From, Reply}]);
- 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_event(StateName0, Record, State2) of
- {next_state, StateName, State} ->
- hibernate_after(StateName, State, [{reply, From, Reply}]);
- {next_state, StateName, State, Actions} ->
- hibernate_after(StateName, State, [{reply, From, Reply} | Actions]);
- {stop, Reason, State} ->
- {stop, Reason, State}
- end;
- Buffer =:= <<>> ->
- %% Active once already set
- hibernate_after(StateName0, State1, [{reply, From, Reply}]);
- true ->
- case Connection:read_application_data(<<>>, State1) of
- {stop, Reason, State} ->
- {stop, Reason, State};
- {Record, State2} ->
- %% Note: Renogotiation may cause StateName0 =/= StateName
- case Connection:next_event(StateName0, Record, State2) of
- {next_state, StateName, State} ->
- hibernate_after(StateName, State, [{reply, From, Reply}]);
- {next_state, StateName, State, Actions} ->
- hibernate_after(StateName, State, [{reply, From, Reply} | Actions]);
- {stop, _, _} = Stop ->
- Stop
- end
- end
- end;
+ 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, _,
@@ -927,7 +893,8 @@ handle_call({prf, Secret, Label, Seed, WantedLength}, From, _,
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;
@@ -938,7 +905,7 @@ handle_call({prf, Secret, Label, Seed, WantedLength}, From, _,
(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}
@@ -1875,9 +1842,12 @@ start_or_recv_cancel_timer(infinity, _RecvFrom) ->
start_or_recv_cancel_timer(Timeout, RecvFrom) ->
erlang:send_after(Timeout, self(), {cancel_start_or_recv, RecvFrom}).
-hibernate_after(StateName, #state{ssl_options=#ssl_options{hibernate_after = HibernateAfter}} = State,
+hibernate_after(connection = StateName,
+ #state{ssl_options=#ssl_options{hibernate_after = HibernateAfter}} = State,
Actions) ->
- {next_state, StateName, State, [{timeout, HibernateAfter, hibernate} | 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),
@@ -1920,9 +1890,11 @@ prepare_connection(#state{renegotiation = Renegotiate,
start_or_recv_from = RecvFrom} = State0, Connection)
when Renegotiate =/= {false, first},
RecvFrom =/= undefined ->
- {Record, State} = Connection:next_record(State0),
+ State1 = Connection:reinit_handshake_data(State0),
+ {Record, State} = Connection:next_record(State1),
{Record, ack_connection(State)};
-prepare_connection(State, _) ->
+prepare_connection(State0, Connection) ->
+ State = Connection:reinit_handshake_data(State0),
{no_record, ack_connection(State)}.
ack_connection(#state{renegotiation = {true, Initiater}} = State)
@@ -2029,4 +2001,39 @@ 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.
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index 2a2a7b7d25..598d4e4112 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -74,7 +74,7 @@
]).
%% MISC
--export([select_version/3, prf/5, select_hashsign/5,
+-export([select_version/3, prf/6, select_hashsign/5,
select_hashsign_algs/3,
premaster_secret/2, premaster_secret/3, premaster_secret/4]).
@@ -564,17 +564,15 @@ server_key_exchange_hash(md5sha, Value) ->
server_key_exchange_hash(Hash, Value) ->
crypto:hash(Hash, Value).
%%--------------------------------------------------------------------
--spec prf(ssl_record:ssl_version(), binary(), binary(), [binary()], non_neg_integer()) ->
+-spec prf(ssl_record:ssl_version(), non_neg_integer(), binary(), binary(), [binary()], non_neg_integer()) ->
{ok, binary()} | {error, undefined}.
%%
%% Description: use the TLS PRF to generate key material
%%--------------------------------------------------------------------
-prf({3,0}, _, _, _, _) ->
+prf({3,0}, _, _, _, _, _) ->
{error, undefined};
-prf({3,1}, Secret, Label, Seed, WantedLength) ->
- {ok, tls_v1:prf(?MD5SHA, Secret, Label, Seed, WantedLength)};
-prf({3,_N}, Secret, Label, Seed, WantedLength) ->
- {ok, tls_v1:prf(?SHA256, Secret, Label, Seed, WantedLength)}.
+prf({3,_N}, PRFAlgo, Secret, Label, Seed, WantedLength) ->
+ {ok, tls_v1:prf(PRFAlgo, Secret, Label, Seed, WantedLength)}.
%%--------------------------------------------------------------------
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index 2193fc18c2..40f3eea527 100644
--- a/lib/ssl/src/tls_connection.erl
+++ b/lib/ssl/src/tls_connection.erl
@@ -49,7 +49,8 @@
-export([next_record/1, next_event/3]).
%% Handshake handling
--export([renegotiate/2, send_handshake/2, send_change_cipher/2]).
+-export([renegotiate/2, send_handshake/2, send_change_cipher/2,
+ reinit_handshake_data/1]).
%% Alert and close handling
-export([send_alert/2, handle_own_alert/4, handle_close_alert/3,
@@ -131,6 +132,16 @@ send_change_cipher(Msg, #state{connection_states = ConnectionStates0,
Transport:send(Socket, BinChangeCipher),
State0#state{connection_states = ConnectionStates}.
+reinit_handshake_data(State) ->
+ %% premaster_secret, public_key_info and tls_handshake_info
+ %% are only needed during the handshake phase.
+ %% To reduce memory foot print of a connection reinitialize them.
+ State#state{
+ premaster_secret = undefined,
+ public_key_info = undefined,
+ tls_handshake_history = ssl_handshake:init_handshake_history()
+ }.
+
%%====================================================================
%% tls_connection_sup API
%%====================================================================
@@ -911,7 +922,7 @@ alert_user(Transport, Tracker, Socket,_, _, _, From, Alert, Role) ->
alert_user(Transport, Tracker, Socket, From, Alert, Role) ->
alert_user(Transport, Tracker, Socket, false, no_pid, From, Alert, Role).
-alert_user(_, _, _, false = Active, Pid, From, Alert, Role) ->
+alert_user(_, _, _, false = Active, Pid, From, Alert, Role) when From =/= undefined ->
%% If there is an outstanding ssl_accept | recv
%% From will be defined and send_or_reply will
%% send the appropriate error message.
diff --git a/lib/ssl/src/tls_handshake.erl b/lib/ssl/src/tls_handshake.erl
index 102dbba198..f34eebb0e4 100644
--- a/lib/ssl/src/tls_handshake.erl
+++ b/lib/ssl/src/tls_handshake.erl
@@ -283,7 +283,8 @@ available_signature_algs(undefined, SupportedHashSigns, _, {Major, Minor}) when
SupportedHashSigns;
available_signature_algs(#hash_sign_algos{hash_sign_algos = ClientHashSigns}, SupportedHashSigns,
_, {Major, Minor}) when (Major >= 3) andalso (Minor >= 3) ->
- ordsets:intersection(ClientHashSigns, SupportedHashSigns);
+ sets:to_list(sets:intersection(sets:from_list(ClientHashSigns),
+ sets:from_list(SupportedHashSigns)));
available_signature_algs(_, _, _, _) ->
undefined.