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-rw-r--r--lib/ssl/src/ssl_connection.erl126
1 files changed, 100 insertions, 26 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index f493c93726..f816979b9f 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -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
@@ -57,11 +59,11 @@
%% 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,
+-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
@@ -93,7 +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()) ->
@@ -102,7 +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
@@ -111,32 +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()}.
@@ -527,6 +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,
@@ -536,20 +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
@@ -579,7 +618,8 @@ init({call, From}, {start, {Opts, EmOpts}, Timeout},
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}}, State0)
end;
@@ -612,6 +652,23 @@ 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(),
@@ -2285,7 +2342,24 @@ 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);