diff options
Diffstat (limited to 'lib/ssh/src/ssh_connection_handler.erl')
| -rw-r--r-- | lib/ssh/src/ssh_connection_handler.erl | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl index 74a6ac7d19..1c4477aeb3 100644 --- a/lib/ssh/src/ssh_connection_handler.erl +++ b/lib/ssh/src/ssh_connection_handler.erl @@ -213,6 +213,29 @@ key_exchange(#ssh_msg_kexdh_init{} = Msg, description = Desc, language = "en"}, State) end; + +key_exchange({#ssh_msg_kexinit{} = Kex, Payload}, + #state{ssh_params = #ssh{role = Role} = Ssh0, + key_exchange_init_msg = OwnKex} = + State) -> + Ssh1 = ssh_transport:key_init(opposite_role(Role), Ssh0, Payload), + try ssh_transport:handle_kexinit_msg(Kex, OwnKex, Ssh1) of + {ok, NextKexMsg, Ssh} when Role == client -> + send_msg(NextKexMsg, State), + {next_state, key_exchange, + next_packet(State#state{ssh_params = Ssh})}; + {ok, Ssh} when Role == server -> + {next_state, key_exchange, + next_packet(State#state{ssh_params = Ssh})} + catch + #ssh_msg_disconnect{} = DisconnectMsg -> + handle_disconnect(DisconnectMsg, State); + _:Error -> + Desc = log_error(Error), + handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED, + description = Desc, + language = "en"}, State) + end; key_exchange(#ssh_msg_kexdh_reply{} = Msg, #state{ssh_params = #ssh{role = client} = Ssh0} = State) -> @@ -456,7 +479,9 @@ userauth(#ssh_msg_userauth_banner{message = Msg}, {next_state, userauth, next_packet(State)}. connected({#ssh_msg_kexinit{}, _Payload} = Event, State) -> - kexinit(Event, State#state{renegotiate = true}). + kexinit(Event, State#state{renegotiate = true}); +connected({#ssh_msg_kexdh_init{}, _Payload} = Event, State) -> + key_exchange(Event, State#state{renegotiate = true}). %%-------------------------------------------------------------------- %% Function: @@ -510,7 +535,7 @@ handle_event({info, From, Options}, StateName, #state{ssh_params = Ssh} = State spawn(?MODULE, ssh_info_handler, [Options, Ssh, From]), {next_state, StateName, State}; handle_event(data_size, connected, #state{ssh_params = Ssh0} = State) -> - Sent = inet:getstat(State#state.socket, [send_oct]), + {ok, [{send_oct,Sent}]} = inet:getstat(State#state.socket, [send_oct]), MaxSent = proplists:get_value(rekey_limit, State#state.opts, 1024000000), case Sent >= MaxSent of true -> @@ -518,7 +543,7 @@ handle_event(data_size, connected, #state{ssh_params = Ssh0} = State) -> send_msg(SshPacket, State), {next_state, connected, next_packet(State#state{ssh_params = Ssh, - key_exchange_init_msg = KeyInitMsg, + key_exchange_init_msg = KeyInitMsg, renegotiate = true})}; _ -> {next_state, connected, next_packet(State)} |