diff options
| -rw-r--r-- | lib/ssh/src/ssh_connection_handler.erl | 80 |
1 files changed, 45 insertions, 35 deletions
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl index 0eaeba26a9..f082db136c 100644 --- a/lib/ssh/src/ssh_connection_handler.erl +++ b/lib/ssh/src/ssh_connection_handler.erl @@ -1408,44 +1408,54 @@ generate_event(<<?BYTE(Byte), _/binary>> = Msg, StateName, Byte == ?SSH_MSG_CHANNEL_REQUEST; Byte == ?SSH_MSG_CHANNEL_SUCCESS; Byte == ?SSH_MSG_CHANNEL_FAILURE -> - ConnectionMsg = ssh_message:decode(Msg), - State1 = generate_event_new_state(State0, EncData), - try ssh_connection:handle_msg(ConnectionMsg, Connection0, Role) of - {{replies, Replies0}, Connection} -> - if StateName == connected -> - Replies = Replies0, - State2 = State1; - true -> - {ConnReplies, Replies} = - lists:splitwith(fun not_connected_filter/1, Replies0), - Q = State1#state.event_queue ++ ConnReplies, - State2 = State1#state{ event_queue = Q } - end, - State = send_replies(Replies, State2#state{connection_state = Connection}), - {next_state, StateName, next_packet(State)}; - {noreply, Connection} -> - {next_state, StateName, next_packet(State1#state{connection_state = Connection})}; - {disconnect, {_, Reason}, {{replies, Replies}, Connection}} when - Role == client andalso ((StateName =/= connected) and (not Renegotiation)) -> - State = send_replies(Replies, State1#state{connection_state = Connection}), - User ! {self(), not_connected, Reason}, - {stop, {shutdown, normal}, - next_packet(State#state{connection_state = Connection})}; - {disconnect, _Reason, {{replies, Replies}, Connection}} -> - State = send_replies(Replies, State1#state{connection_state = Connection}), - {stop, {shutdown, normal}, State#state{connection_state = Connection}} + try + ssh_message:decode(Msg) + of + ConnectionMsg -> + State1 = generate_event_new_state(State0, EncData), + try ssh_connection:handle_msg(ConnectionMsg, Connection0, Role) of + {{replies, Replies0}, Connection} -> + if StateName == connected -> + Replies = Replies0, + State2 = State1; + true -> + {ConnReplies, Replies} = + lists:splitwith(fun not_connected_filter/1, Replies0), + Q = State1#state.event_queue ++ ConnReplies, + State2 = State1#state{ event_queue = Q } + end, + State = send_replies(Replies, State2#state{connection_state = Connection}), + {next_state, StateName, next_packet(State)}; + {noreply, Connection} -> + {next_state, StateName, next_packet(State1#state{connection_state = Connection})}; + {disconnect, {_, Reason}, {{replies, Replies}, Connection}} when + Role == client andalso ((StateName =/= connected) and (not Renegotiation)) -> + State = send_replies(Replies, State1#state{connection_state = Connection}), + User ! {self(), not_connected, Reason}, + {stop, {shutdown, normal}, + next_packet(State#state{connection_state = Connection})}; + {disconnect, _Reason, {{replies, Replies}, Connection}} -> + State = send_replies(Replies, State1#state{connection_state = Connection}), + {stop, {shutdown, normal}, State#state{connection_state = Connection}} + catch + _:Error -> + {disconnect, _Reason, {{replies, Replies}, Connection}} = + ssh_connection:handle_msg( + #ssh_msg_disconnect{code = ?SSH_DISCONNECT_BY_APPLICATION, + description = "Internal error", + language = "en"}, Connection0, Role), + State = send_replies(Replies, State1#state{connection_state = Connection}), + {stop, {shutdown, Error}, State#state{connection_state = Connection}} + end + catch - _:Error -> - {disconnect, _Reason, {{replies, Replies}, Connection}} = - ssh_connection:handle_msg( - #ssh_msg_disconnect{code = ?SSH_DISCONNECT_BY_APPLICATION, - description = "Internal error", - language = "en"}, Connection0, Role), - State = send_replies(Replies, State1#state{connection_state = Connection}), - {stop, {shutdown, Error}, State#state{connection_state = Connection}} + _:_ -> + handle_disconnect( + #ssh_msg_disconnect{code = ?SSH_DISCONNECT_PROTOCOL_ERROR, + description = "Bad packet received", + language = ""}, State0) end; - generate_event(Msg, StateName, State0, EncData) -> try Event = ssh_message:decode(set_prefix_if_trouble(Msg,State0)), |