diff options
Diffstat (limited to 'lib/ssl/src/tls_connection.erl')
| -rw-r--r-- | lib/ssl/src/tls_connection.erl | 98 |
1 files changed, 78 insertions, 20 deletions
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl index 77d3aa7889..7fda2377ee 100644 --- a/lib/ssl/src/tls_connection.erl +++ b/lib/ssl/src/tls_connection.erl @@ -3,16 +3,17 @@ %% %% Copyright Ericsson AB 2007-2015. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -188,19 +189,27 @@ hello(Hello = #client_hello{client_version = ClientVersion, renegotiation = {Renegotiation, _}, session_cache = Cache, session_cache_cb = CacheCb, + negotiated_protocol = CurrentProtocol, ssl_options = SslOpts}) -> case tls_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb, ConnectionStates0, Cert}, Renegotiation) of + #alert{} = Alert -> + handle_own_alert(Alert, ClientVersion, hello, State); {Version, {Type, Session}, - ConnectionStates, ServerHelloExt} -> + ConnectionStates, Protocol0, ServerHelloExt} -> + + Protocol = case Protocol0 of + undefined -> CurrentProtocol; + _ -> Protocol0 + end, + HashSign = ssl_handshake:select_hashsign(HashSigns, Cert, Version), ssl_connection:hello({common_client_hello, Type, ServerHelloExt, HashSign}, State#state{connection_states = ConnectionStates, negotiated_version = Version, session = Session, - client_ecc = {EllipticCurves, EcPointFormats}}, ?MODULE); - #alert{} = Alert -> - handle_own_alert(Alert, ClientVersion, hello, State) + client_ecc = {EllipticCurves, EcPointFormats}, + negotiated_protocol = Protocol}, ?MODULE) end; hello(Hello, #state{connection_states = ConnectionStates0, @@ -211,9 +220,9 @@ hello(Hello, case tls_handshake:hello(Hello, SslOptions, ConnectionStates0, Renegotiation) of #alert{} = Alert -> handle_own_alert(Alert, ReqVersion, hello, State); - {Version, NewId, ConnectionStates, NextProtocol} -> + {Version, NewId, ConnectionStates, ProtoExt, Protocol} -> ssl_connection:handle_session(Hello, - Version, NewId, ConnectionStates, NextProtocol, State) + Version, NewId, ConnectionStates, ProtoExt, Protocol, State) end; hello(Msg, State) -> @@ -384,12 +393,30 @@ initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions, Tracker}, Us user_data_buffer = <<>>, session_cache_cb = SessionCacheCb, renegotiation = {false, first}, + allow_renegotiate = SSLOptions#ssl_options.client_renegotiation, start_or_recv_from = undefined, send_queue = queue:new(), protocol_cb = ?MODULE, tracker = Tracker }. + +update_ssl_options_from_sni(OrigSSLOptions, SNIHostname) -> + SSLOption = + case OrigSSLOptions#ssl_options.sni_fun of + undefined -> + proplists:get_value(SNIHostname, + OrigSSLOptions#ssl_options.sni_hosts); + SNIFun -> + SNIFun(SNIHostname) + end, + case SSLOption of + undefined -> + undefined; + _ -> + ssl:handle_options(SSLOption, OrigSSLOptions) + end. + next_state(Current,_, #alert{} = Alert, #state{negotiated_version = Version} = State) -> handle_own_alert(Alert, Version, Current, State); @@ -418,15 +445,17 @@ next_state(Current, Next, #ssl_tls{type = ?HANDSHAKE, fragment = Data}, %% This message should not be included in handshake %% message hashes. Already in negotiation so it will be ignored! ?MODULE:SName(Packet, State); - ({#client_hello{} = Packet, Raw}, {next_state, connection = SName, State}) -> + ({#client_hello{} = Packet, Raw}, {next_state, connection = SName, HState0}) -> + HState = handle_sni_extension(Packet, HState0), Version = Packet#client_hello.client_version, Hs0 = ssl_handshake:init_handshake_history(), Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw), - ?MODULE:SName(Packet, State#state{tls_handshake_history=Hs1, - renegotiation = {true, peer}}); - ({Packet, Raw}, {next_state, SName, State = #state{tls_handshake_history=Hs0}}) -> + ?MODULE:SName(Packet, HState#state{tls_handshake_history=Hs1, + renegotiation = {true, peer}}); + ({Packet, Raw}, {next_state, SName, HState0 = #state{tls_handshake_history=Hs0}}) -> + HState = handle_sni_extension(Packet, HState0), Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw), - ?MODULE:SName(Packet, State#state{tls_handshake_history=Hs1}); + ?MODULE:SName(Packet, HState#state{tls_handshake_history=Hs1}); (_, StopState) -> StopState end, try @@ -973,3 +1002,32 @@ convert_options_partial_chain(Options, up) -> list_to_tuple(Head ++ [{partial_chain, fun(_) -> unknown_ca end}] ++ Tail); convert_options_partial_chain(Options, down) -> list_to_tuple(proplists:delete(partial_chain, tuple_to_list(Options))). + +handle_sni_extension(#client_hello{extensions = HelloExtensions}, State0) -> + case HelloExtensions#hello_extensions.sni of + undefined -> + State0; + #sni{hostname = Hostname} -> + NewOptions = update_ssl_options_from_sni(State0#state.ssl_options, Hostname), + case NewOptions of + undefined -> + State0; + _ -> + {ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, CRLDbHandle, OwnCert, Key, DHParams} = + ssl_config:init(NewOptions, State0#state.role), + State0#state{ + session = State0#state.session#session{own_certificate = OwnCert}, + 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 = NewOptions, + sni_hostname = Hostname + } + end + end; +handle_sni_extension(_, State0) -> + State0. |