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-rw-r--r--lib/ssl/src/ssl_connection.erl33
1 files changed, 28 insertions, 5 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index d9377fe3d6..0aed85a9ef 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -610,7 +610,7 @@ connection(hello, State = #state{host = Host, port = Port,
%% gen_fsm:sync_send_event/2,3, the instance of this function with the same
%% name as the current state name StateName is called to handle the event.
%%--------------------------------------------------------------------
-connection({application_data, Data}, _From,
+connection({application_data, Data0}, _From,
State = #state{socket = Socket,
negotiated_version = Version,
transport_cb = Transport,
@@ -618,10 +618,16 @@ connection({application_data, Data}, _From,
%% We should look into having a worker process to do this to
%% parallize send and receive decoding and not block the receiver
%% if sending is overloading the socket.
- {Msgs, ConnectionStates1} = encode_data(Data, Version, ConnectionStates0),
- Result = Transport:send(Socket, Msgs),
- {reply, Result,
- connection, State#state{connection_states = ConnectionStates1}}.
+ try
+ Data = encode_packet(Data0, State#state.socket_options),
+ {Msgs, ConnectionStates1} = encode_data(Data, Version, ConnectionStates0),
+ Result = Transport:send(Socket, Msgs),
+ {reply, Result,
+ connection, State#state{connection_states = ConnectionStates1}}
+
+ catch throw:Error ->
+ {reply, Error, connection, State}
+ end.
%%--------------------------------------------------------------------
%% Function:
@@ -1404,6 +1410,23 @@ encode_handshake(HandshakeRec, SigAlg, Version, ConnectionStates0, Hashes0) ->
ssl_record:encode_handshake(Frag, Version, ConnectionStates0),
{E, ConnectionStates1, Hashes1}.
+encode_packet(Data, #socket_options{packet=Packet}) ->
+ case Packet of
+ 0 -> Data;
+ 1 -> encode_size_packet(Data, 8, (1 bsl 8) - 1);
+ 2 -> encode_size_packet(Data, 16, (1 bsl 16) - 1);
+ 4 -> encode_size_packet(Data, 32, (1 bsl 32) - 1);
+ _ ->
+ throw({error, {badarg, {eoptions, {packet, Packet}}}})
+ end.
+
+encode_size_packet(Bin, Size, Max) ->
+ Len = byte_size(Bin),
+ case Len > Max of
+ true -> throw({error, {badarg, {packet_to_large, Len, Max}}});
+ false -> <<Len:Size, Bin/binary>>
+ end.
+
encode_data(Data, Version, ConnectionStates) ->
ssl_record:encode_data(Data, Version, ConnectionStates).