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-rw-r--r--lib/ssl/src/tls_connection.erl59
-rw-r--r--lib/ssl/src/tls_handshake.erl39
2 files changed, 71 insertions, 27 deletions
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index eaf866c339..8b828f3421 100644
--- a/lib/ssl/src/tls_connection.erl
+++ b/lib/ssl/src/tls_connection.erl
@@ -214,7 +214,7 @@ init({call, From}, {start, Timeout},
{Record, State} = next_record(State1),
next_event(hello, Record, State);
init(Type, Event, State) ->
- ssl_connection:init(Type, Event, State, ?MODULE).
+ gen_handshake(ssl_connection, init, Type, Event, State).
%%--------------------------------------------------------------------
-spec error(gen_statem:event_type(),
@@ -258,13 +258,13 @@ hello(internal, #client_hello{client_version = ClientVersion,
_ -> Protocol0
end,
- ssl_connection:hello(internal, {common_client_hello, Type, ServerHelloExt},
+ gen_handshake(ssl_connection, hello, internal, {common_client_hello, Type, ServerHelloExt},
State#state{connection_states = ConnectionStates,
negotiated_version = Version,
hashsign_algorithm = HashSign,
session = Session,
client_ecc = {EllipticCurves, EcPointFormats},
- negotiated_protocol = Protocol}, ?MODULE)
+ negotiated_protocol = Protocol})
end;
hello(internal, #server_hello{} = Hello,
#state{connection_states = ConnectionStates0,
@@ -280,36 +280,36 @@ hello(internal, #server_hello{} = Hello,
Version, NewId, ConnectionStates, ProtoExt, Protocol, State)
end;
hello(info, Event, State) ->
- handle_info(Event, hello, State);
+ gen_info(Event, hello, State);
hello(Type, Event, State) ->
- ssl_connection:hello(Type, Event, State, ?MODULE).
+ gen_handshake(ssl_connection, hello, Type, Event, State).
%%--------------------------------------------------------------------
-spec abbreviated(gen_statem:event_type(), term(), #state{}) ->
gen_statem:state_function_result().
%%--------------------------------------------------------------------
abbreviated(info, Event, State) ->
- handle_info(Event, abbreviated, State);
+ gen_info(Event, abbreviated, State);
abbreviated(Type, Event, State) ->
- ssl_connection:abbreviated(Type, Event, State, ?MODULE).
+ gen_handshake(ssl_connection, abbreviated, Type, Event, State).
%%--------------------------------------------------------------------
-spec certify(gen_statem:event_type(), term(), #state{}) ->
gen_statem:state_function_result().
%%--------------------------------------------------------------------
certify(info, Event, State) ->
- handle_info(Event, certify, State);
+ gen_info(Event, certify, State);
certify(Type, Event, State) ->
- ssl_connection:certify(Type, Event, State, ?MODULE).
+ gen_handshake(ssl_connection, certify, Type, Event, State).
%%--------------------------------------------------------------------
-spec cipher(gen_statem:event_type(), term(), #state{}) ->
gen_statem:state_function_result().
%%--------------------------------------------------------------------
cipher(info, Event, State) ->
- handle_info(Event, cipher, State);
+ gen_info(Event, cipher, State);
cipher(Type, Event, State) ->
- ssl_connection:cipher(Type, Event, State, ?MODULE).
+ gen_handshake(ssl_connection, cipher, Type, Event, State).
%%--------------------------------------------------------------------
-spec connection(gen_statem:event_type(),
@@ -317,7 +317,7 @@ cipher(Type, Event, State) ->
gen_statem:state_function_result().
%%--------------------------------------------------------------------
connection(info, Event, State) ->
- handle_info(Event, connection, State);
+ gen_info(Event, connection, State);
connection(internal, #hello_request{},
#state{role = client, host = Host, port = Port,
session = #session{own_certificate = Cert} = Session0,
@@ -433,11 +433,16 @@ handle_common_event(internal, #ssl_tls{type = ?CHANGE_CIPHER_SPEC, fragment = Da
%%% TLS record protocol level Alert messages
handle_common_event(internal, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, StateName,
#state{negotiated_version = Version} = State) ->
- case decode_alerts(EncAlerts) of
+ try decode_alerts(EncAlerts) of
Alerts = [_|_] ->
handle_alerts(Alerts, {next_state, StateName, State});
+ [] ->
+ handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, empty_alert), Version, StateName, State);
#alert{} = Alert ->
handle_own_alert(Alert, Version, StateName, State)
+ catch
+ _:_ ->
+ handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, alert_decode_error), Version, StateName, State)
end;
%% Ignore unknown TLS record level protocol messages
handle_common_event(internal, #ssl_tls{type = _Unknown}, StateName, State) ->
@@ -1040,3 +1045,31 @@ handle_sni_extension(#client_hello{extensions = HelloExtensions}, State0) ->
end;
handle_sni_extension(_, State) ->
State.
+
+gen_handshake(GenConnection, StateName, Type, Event, #state{negotiated_version = Version} = State) ->
+ try GenConnection:StateName(Type, Event, State, ?MODULE) of
+ Result ->
+ Result
+ catch
+ _:_ ->
+ handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, malformed_handshake_data), Version, StateName, State)
+ end.
+
+gen_info(Event, connection = StateName, #state{negotiated_version = Version} = State) ->
+ try handle_info(Event, StateName, State) of
+ Result ->
+ Result
+ catch
+ _:_ ->
+ handle_own_alert(?ALERT_REC(?FATAL, ?INTERNAL_ERROR, malformed_data), Version, StateName, State)
+ end;
+
+gen_info(Event, StateName, #state{negotiated_version = Version} = State) ->
+ try handle_info(Event, StateName, State) of
+ Result ->
+ Result
+ catch
+ _:_ ->
+ handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, malformed_handshake_data), Version, StateName, State)
+ end.
+
diff --git a/lib/ssl/src/tls_handshake.erl b/lib/ssl/src/tls_handshake.erl
index 566b7db332..6e593950d9 100644
--- a/lib/ssl/src/tls_handshake.erl
+++ b/lib/ssl/src/tls_handshake.erl
@@ -109,19 +109,25 @@ hello(#client_hello{client_version = ClientVersion,
cipher_suites = CipherSuites} = Hello,
#ssl_options{versions = Versions} = SslOpts,
Info, Renegotiation) ->
- Version = ssl_handshake:select_version(tls_record, ClientVersion, Versions),
- case ssl_cipher:is_fallback(CipherSuites) of
+ try
+ Version = ssl_handshake:select_version(tls_record, ClientVersion, Versions),
+ case ssl_cipher:is_fallback(CipherSuites) of
true ->
- Highest = tls_record:highest_protocol_version(Versions),
- case tls_record:is_higher(Highest, Version) of
- true ->
- ?ALERT_REC(?FATAL, ?INAPPROPRIATE_FALLBACK);
- false ->
- handle_client_hello(Version, Hello, SslOpts, Info, Renegotiation)
- end;
- false ->
- handle_client_hello(Version, Hello, SslOpts, Info, Renegotiation)
- end.
+ Highest = tls_record:highest_protocol_version(Versions),
+ case tls_record:is_higher(Highest, Version) of
+ true ->
+ ?ALERT_REC(?FATAL, ?INAPPROPRIATE_FALLBACK);
+ false ->
+ handle_client_hello(Version, Hello, SslOpts, Info, Renegotiation)
+ end;
+ false ->
+ handle_client_hello(Version, Hello, SslOpts, Info, Renegotiation)
+ end
+ catch
+ _:_ ->
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, malformed_handshake_data)
+ end.
+
%%--------------------------------------------------------------------
-spec encode_handshake(tls_handshake(), tls_record:tls_version()) -> iolist().
%%
@@ -187,8 +193,13 @@ handle_client_hello(Version, #client_hello{session_id = SugesstedId,
get_tls_handshake_aux(Version, <<?BYTE(Type), ?UINT24(Length),
Body:Length/binary,Rest/binary>>, #ssl_options{v2_hello_compatible = V2Hello} = Opts, Acc) ->
Raw = <<?BYTE(Type), ?UINT24(Length), Body/binary>>,
- Handshake = decode_handshake(Version, Type, Body, V2Hello),
- get_tls_handshake_aux(Version, Rest, Opts, [{Handshake,Raw} | Acc]);
+ try decode_handshake(Version, Type, Body, V2Hello) of
+ Handshake ->
+ get_tls_handshake_aux(Version, Rest, Opts, [{Handshake,Raw} | Acc])
+ catch
+ _:_ ->
+ throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, handshake_decode_error))
+ end;
get_tls_handshake_aux(_Version, Data, _, Acc) ->
{lists:reverse(Acc), Data}.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 22:56:42 +0000