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authorIngela Anderton Andin <[email protected]>2012-06-15 16:24:35 +0200
committerIngela Anderton Andin <[email protected]>2012-06-15 16:26:25 +0200
commit0b95d2b878b7634dc661057249c77eb49485f426 (patch)
treee0106a96625114a0625b3fd37b08366587795b37 /lib/ssl/src
parent67d2e30e77db74d0852421c21362d1a9374780e1 (diff)
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ssl: Fix bug in the handling of remote connection closure of {active,false} ssl sockets.
Diffstat (limited to 'lib/ssl/src')
-rw-r--r--lib/ssl/src/ssl_connection.erl53
1 files changed, 26 insertions, 27 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 0f436a6caf..c57930e821 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -85,12 +85,11 @@
premaster_secret, %
file_ref_db, % ets()
cert_db_ref, % ref()
- from, % term(), where to reply
bytes_to_read, % integer(), # bytes to read in passive mode
user_data_buffer, % binary()
log_alert, % boolean()
renegotiation, % {boolean(), From | internal | peer}
- recv_from, %
+ start_or_recv_from, % "gen_fsm From"
send_queue, % queue()
terminated = false, %
allow_renegotiate = true
@@ -758,8 +757,8 @@ handle_sync_event({application_data, Data}, From, StateName,
State#state{send_queue = queue:in({From, Data}, Queue)},
get_timeout(State)};
-handle_sync_event(start, From, hello, State) ->
- hello(start, State#state{from = From});
+handle_sync_event(start, StartFrom, hello, State) ->
+ hello(start, State#state{start_or_recv_from = StartFrom});
%% The two clauses below could happen if a server upgrades a socket in
%% active mode. Note that in this case we are lucky that
@@ -773,8 +772,8 @@ handle_sync_event(start, _, connection, State) ->
{reply, connected, connection, State, get_timeout(State)};
handle_sync_event(start, _From, error, {Error, State = #state{}}) ->
{stop, {shutdown, Error}, {error, Error}, State};
-handle_sync_event(start, From, StateName, State) ->
- {next_state, StateName, State#state{from = From}, get_timeout(State)};
+handle_sync_event(start, StartFrom, StateName, State) ->
+ {next_state, StateName, State#state{start_or_recv_from = StartFrom}, get_timeout(State)};
handle_sync_event(close, _, StateName, State) ->
%% Run terminate before returning
@@ -805,13 +804,13 @@ handle_sync_event({shutdown, How0}, _, StateName,
{stop, normal, Error, State}
end;
-handle_sync_event({recv, N}, From, connection = StateName, State0) ->
- passive_receive(State0#state{bytes_to_read = N, recv_from = From}, StateName);
+handle_sync_event({recv, N}, RecvFrom, connection = StateName, State0) ->
+ passive_receive(State0#state{bytes_to_read = N, start_or_recv_from = RecvFrom}, StateName);
%% Doing renegotiate wait with handling request until renegotiate is
%% finished. Will be handled by next_state_is_connection/2.
-handle_sync_event({recv, N}, From, StateName, State) ->
- {next_state, StateName, State#state{bytes_to_read = N, recv_from = From},
+handle_sync_event({recv, N}, RecvFrom, StateName, State) ->
+ {next_state, StateName, State#state{bytes_to_read = N, start_or_recv_from = RecvFrom},
get_timeout(State)};
handle_sync_event({new_user, User}, _From, StateName,
@@ -962,9 +961,9 @@ handle_info({CloseTag, Socket}, StateName,
{stop, normal, State};
handle_info({ErrorTag, Socket, econnaborted}, StateName,
- #state{socket = Socket, from = User, role = Role,
+ #state{socket = Socket, start_or_recv_from = StartFrom, role = Role,
error_tag = ErrorTag} = State) when StateName =/= connection ->
- alert_user(User, ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE), Role),
+ alert_user(StartFrom, ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE), Role),
{stop, normal, State};
handle_info({ErrorTag, Socket, Reason}, StateName, #state{socket = Socket,
@@ -1704,7 +1703,7 @@ passive_receive(State0 = #state{user_data_buffer = Buffer}, StateName) ->
read_application_data(Data, #state{user_application = {_Mon, Pid},
socket_options = SOpts,
bytes_to_read = BytesToRead,
- recv_from = From,
+ start_or_recv_from = RecvFrom,
user_data_buffer = Buffer0} = State0) ->
Buffer1 = if
Buffer0 =:= <<>> -> Data;
@@ -1713,9 +1712,9 @@ read_application_data(Data, #state{user_application = {_Mon, Pid},
end,
case get_data(SOpts, BytesToRead, Buffer1) of
{ok, ClientData, Buffer} -> % Send data
- SocketOpt = deliver_app_data(SOpts, ClientData, Pid, From),
+ SocketOpt = deliver_app_data(SOpts, ClientData, Pid, RecvFrom),
State = State0#state{user_data_buffer = Buffer,
- recv_from = undefined,
+ start_or_recv_from = undefined,
bytes_to_read = 0,
socket_options = SocketOpt
},
@@ -1730,7 +1729,7 @@ read_application_data(Data, #state{user_application = {_Mon, Pid},
{more, Buffer} -> % no reply, we need more data
next_record(State0#state{user_data_buffer = Buffer});
{error,_Reason} -> %% Invalid packet in packet mode
- deliver_packet_error(SOpts, Buffer1, Pid, From),
+ deliver_packet_error(SOpts, Buffer1, Pid, RecvFrom),
{stop, normal, State0}
end.
@@ -2016,9 +2015,9 @@ next_state_connection(StateName, #state{send_queue = Queue0,
%% premaster_secret and public_key_info (only needed during handshake)
%% to reduce memory foot print of a connection.
next_state_is_connection(_, State =
- #state{recv_from = From,
+ #state{start_or_recv_from = RecvFrom,
socket_options =
- #socket_options{active = false}}) when From =/= undefined ->
+ #socket_options{active = false}}) when RecvFrom =/= undefined ->
passive_receive(State#state{premaster_secret = undefined,
public_key_info = undefined,
tls_handshake_hashes = {<<>>, <<>>}}, connection);
@@ -2081,7 +2080,7 @@ initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions}, User,
log_alert = true,
session_cache_cb = SessionCacheCb,
renegotiation = {false, first},
- recv_from = undefined,
+ start_or_recv_from = undefined,
send_queue = queue:new()
}.
@@ -2185,7 +2184,7 @@ handle_alerts([Alert | Alerts], {next_state, StateName, State, _Timeout}) ->
handle_alerts(Alerts, handle_alert(Alert, StateName, State)).
handle_alert(#alert{level = ?FATAL} = Alert, StateName,
- #state{from = From, host = Host, port = Port, session = Session,
+ #state{start_or_recv_from = From, host = Host, port = Port, session = Session,
user_application = {_Mon, Pid},
log_alert = Log, role = Role, socket_options = Opts} = State) ->
invalidate_session(Role, Host, Port, Session),
@@ -2267,13 +2266,13 @@ handle_own_alert(Alert, Version, StateName,
ok
end.
-handle_normal_shutdown(Alert, _, #state{from = User, role = Role, renegotiation = {false, first}}) ->
- alert_user(User, Alert, Role);
+handle_normal_shutdown(Alert, _, #state{start_or_recv_from = StartFrom, role = Role, renegotiation = {false, first}}) ->
+ alert_user(StartFrom, Alert, Role);
handle_normal_shutdown(Alert, StateName, #state{socket_options = Opts,
user_application = {_Mon, Pid},
- from = User, role = Role}) ->
- alert_user(StateName, Opts, Pid, User, Alert, Role).
+ start_or_recv_from = RecvFrom, role = Role}) ->
+ alert_user(StateName, Opts, Pid, RecvFrom, Alert, Role).
handle_unexpected_message(Msg, Info, #state{negotiated_version = Version} = State) ->
Alert = ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE),
@@ -2299,9 +2298,9 @@ ack_connection(#state{renegotiation = {true, From}} = State) ->
gen_fsm:reply(From, ok),
State#state{renegotiation = undefined};
ack_connection(#state{renegotiation = {false, first},
- from = From} = State) when From =/= undefined ->
- gen_fsm:reply(From, connected),
- State#state{renegotiation = undefined};
+ start_or_recv_from = StartFrom} = State) when StartFrom =/= undefined ->
+ gen_fsm:reply(StartFrom, connected),
+ State#state{renegotiation = undefined, start_or_recv_from = undefined};
ack_connection(State) ->
State.