diff options
Diffstat (limited to 'lib/ssl/src/ssl_connection.erl')
| -rw-r--r-- | lib/ssl/src/ssl_connection.erl | 62 |
1 files changed, 50 insertions, 12 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index a78b0257f5..d9bb983df0 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -47,7 +47,7 @@ -export([start_link/7]). %% gen_fsm callbacks --export([init/1, hello/2, certify/2, cipher/2, connection/2, connection/3, +-export([init/1, hello/2, certify/2, cipher/2, connection/2, abbreviated/2, handle_event/3, handle_sync_event/4, handle_info/3, terminate/3, code_change/4]). @@ -106,11 +106,9 @@ %% Description: %%-------------------------------------------------------------------- send(Pid, Data) -> - sync_send_event(Pid, {application_data, erlang:iolist_to_binary(Data)}, - infinity). + sync_send_all_state_event(Pid, {application_data, erlang:iolist_to_binary(Data)}, infinity). send(Pid, Data, Timeout) -> - sync_send_event(Pid, {application_data, erlang:iolist_to_binary(Data)}, - Timeout). + sync_send_all_state_event(Pid, {application_data, erlang:iolist_to_binary(Data)}, Timeout). %%-------------------------------------------------------------------- %% Function: %% @@ -678,15 +676,28 @@ handle_event(#ssl_tls{type = ?HANDSHAKE, fragment = Data}, tls_handshake_buffer = Buf0, negotiated_version = Version}) -> Handle = - fun({Packet, Raw}, {next_state, SName, - AS=#state{tls_handshake_hashes=Hs0}}) -> + fun({#hello_request{} = Packet, _}, {next_state, connection = SName, State}) -> + %% This message should not be included in handshake + %% message hashes. Starts new handshake (renegotiation) + Hs0 = ssl_handshake:init_hashes(), + ?MODULE:SName(Packet, State#state{tls_handshake_hashes=Hs0}); + ({#hello_request{} = Packet, _}, {next_state, SName, State}) -> + %% This message should not be included in handshake + %% message hashes. If allready in negotiation it will be ignored! + ?MODULE:SName(Packet, State); + ({#client_hello{} = Packet, Raw}, {next_state, connection = SName, State}) -> + Hs0 = ssl_handshake:init_hashes(), + Hs1 = ssl_handshake:update_hashes(Hs0, Raw), + ?MODULE:SName(Packet, State#state{tls_handshake_hashes=Hs1, + renegotiation = true}); + ({Packet, Raw}, {next_state, SName, State = #state{tls_handshake_hashes=Hs0}}) -> + Hs1 = ssl_handshake:update_hashes(Hs0, Raw), + ?MODULE:SName(Packet, State#state{tls_handshake_hashes=Hs1}); (_, StopState) -> StopState end, try - {Packets, Buf} = - ssl_handshake:get_tls_handshake(Data,Buf0, KeyAlg,Version), - Start = {next_state, StateName, - State#state{tls_handshake_buffer = Buf}}, + {Packets, Buf} = ssl_handshake:get_tls_handshake(Data,Buf0, KeyAlg,Version), + Start = {next_state, StateName, State0#state{tls_handshake_buffer = Buf}}, lists:foldl(Handle, Start, Packets) catch throw:#alert{} = Alert -> handle_own_alert(Alert, Version, StateName, State0), @@ -2006,7 +2017,6 @@ handle_own_alert(Alert, Version, StateName, catch _:_ -> ok end. - make_premaster_secret({MajVer, MinVer}, Alg) when Alg == rsa; Alg == dh_dss; Alg == dh_rsa -> @@ -2018,3 +2028,31 @@ make_premaster_secret(_, _) -> mpint_binary(Binary) -> Size = byte_size(Binary), <<?UINT32(Size), Binary/binary>>. + + +ack_connection(#state{renegotiation = true}) -> + ok; +ack_connection(#state{renegotiation = false, from = From}) -> + gen_fsm:reply(From, connected). + + +renegotiate(#state{role = client} = State) -> + %% Handle same way as if server requested + %% the renegotiation + Hs0 = ssl_handshake:init_hashes(), + connection(#hello_request{}, State#state{tls_handshake_hashes = Hs0}); +renegotiate(#state{role = server, + socket = Socket, + transport_cb = Transport, + negotiated_version = Version, + connection_states = ConnectionStates0} = State) -> + HelloRequest = ssl_handshake:hello_request(), + Frag = ssl_handshake:encode_handshake(HelloRequest, Version, undefined), + Hs0 = ssl_handshake:init_hashes(), + {BinMsg, ConnectionStates} = + ssl_record:encode_handshake(Frag, Version, ConnectionStates0), + Transport:send(Socket, BinMsg), + {next_state, hello, next_record(State#state{connection_states = + ConnectionStates, + tls_handshake_hashes = Hs0, + renegotiation = true})}. |