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-rw-r--r--lib/ssl/src/tls_connection.erl78
1 files changed, 67 insertions, 11 deletions
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index 8abe73c585..ed7ccb3d70 100644
--- a/lib/ssl/src/tls_connection.erl
+++ b/lib/ssl/src/tls_connection.erl
@@ -188,19 +188,27 @@ 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 +219,9 @@ 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) ->
@@ -391,6 +399,23 @@ initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions, Tracker}, Us
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);
@@ -419,15 +444,17 @@ 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
@@ -974,3 +1001,32 @@ 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.