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-rw-r--r--lib/inets/src/http_client/httpc_handler.erl10
-rw-r--r--lib/inets/test/httpc_proxy_SUITE.erl20
-rwxr-xr-xlib/inets/test/httpc_proxy_SUITE_data/server_proxy.sh2
-rw-r--r--lib/ssl/doc/src/ssl.xml15
-rw-r--r--lib/ssl/doc/src/ssl_app.xml11
-rw-r--r--lib/ssl/src/ssl.erl40
-rw-r--r--lib/ssl/src/ssl_connection.erl95
-rw-r--r--lib/ssl/src/tls_connection.erl55
-rw-r--r--lib/ssl/test/ssl_basic_SUITE.erl76
9 files changed, 248 insertions, 76 deletions
diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl
index 205348524a..6e6cc38c06 100644
--- a/lib/inets/src/http_client/httpc_handler.erl
+++ b/lib/inets/src/http_client/httpc_handler.erl
@@ -1817,13 +1817,13 @@ host_header(_, URI) ->
tls_upgrade(#state{status =
{ssl_tunnel,
#request{settings =
- #http_options{ssl = {_, TLSOptions} = SocketType}} = Request},
+ #http_options{ssl = {_, TLSOptions} = SocketType},
+ address = Address} = Request},
session = #session{socket = TCPSocket} = Session0,
options = Options} = State) ->
case ssl:connect(TCPSocket, TLSOptions) of
{ok, TLSSocket} ->
- Address = Request#request.address,
ClientClose = httpc_request:is_client_closing(Request#request.headers),
SessionType = httpc_manager:session_type(Options),
Session = Session0#session{
@@ -1844,7 +1844,11 @@ tls_upgrade(#state{status =
status = new
},
{noreply, activate_request_timeout(NewState)};
- {error, _Reason} ->
+ {error, Reason} ->
+ Error = httpc_response:error(Request, {failed_connect,
+ [{to_address, Address},
+ {tls, TLSOptions, Reason}]}),
+ maybe_send_answer(Request, Error, State),
{stop, normal, State#state{request = Request}}
end.
diff --git a/lib/inets/test/httpc_proxy_SUITE.erl b/lib/inets/test/httpc_proxy_SUITE.erl
index 786de1bc42..6d7af4ea5d 100644
--- a/lib/inets/test/httpc_proxy_SUITE.erl
+++ b/lib/inets/test/httpc_proxy_SUITE.erl
@@ -58,7 +58,7 @@ groups() ->
[http_emulate_lower_versions
|local_proxy_cases()]},
{local_proxy_https,[],
- local_proxy_cases()}].
+ local_proxy_cases() ++ local_proxy_https_cases()}].
%% internal functions
@@ -77,6 +77,9 @@ local_proxy_cases() ->
http_stream,
http_not_modified_otp_6821].
+local_proxy_https_cases() ->
+ [https_connect_error].
+
%%--------------------------------------------------------------------
init_per_suite(Config0) ->
@@ -432,6 +435,21 @@ header_value(Name, [{HeaderName,HeaderValue}|Headers]) ->
end.
%%--------------------------------------------------------------------
+https_connect_error(doc) ->
+ ["Error from CONNECT tunnel should be returned"];
+https_connect_error(Config) when is_list(Config) ->
+ {HttpServer,HttpPort} = ?config(http, Config),
+ Method = get,
+ %% using HTTPS scheme with HTTP port to trigger connection error
+ URL = "https://" ++ HttpServer ++ ":" ++
+ integer_to_list(HttpPort) ++ "/index.html",
+ Opts = [],
+ HttpOpts = [],
+ Request = {URL,[]},
+ {error,{failed_connect,[_,{tls,_,_}]}} =
+ httpc:request(Method, Request, HttpOpts, Opts).
+
+%%--------------------------------------------------------------------
%% Internal Functions ------------------------------------------------
%%--------------------------------------------------------------------
diff --git a/lib/inets/test/httpc_proxy_SUITE_data/server_proxy.sh b/lib/inets/test/httpc_proxy_SUITE_data/server_proxy.sh
index 9d1698c386..473024ae63 100755
--- a/lib/inets/test/httpc_proxy_SUITE_data/server_proxy.sh
+++ b/lib/inets/test/httpc_proxy_SUITE_data/server_proxy.sh
@@ -169,6 +169,8 @@ MaxRequestsPerChild 0
ViaProxyName "tinyproxy"
ConnectPort $APACHE_HTTPS_PORT
+# to test connect error
+ConnectPort $APACHE_HTTP_PORT
EOF
(tinyproxy -d -c tinyproxy.conf 1>/dev/null 2>&1 </dev/null &)&
wait_for_pidfile tinyproxy.pid
diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml
index 6c977bdb74..22ac98c24e 100644
--- a/lib/ssl/doc/src/ssl.xml
+++ b/lib/ssl/doc/src/ssl.xml
@@ -766,6 +766,21 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
+ <name>close(SslSocket, How) -> ok | {ok, port()} | {error, Reason}</name>
+ <fsummary>Closes an SSL connection.</fsummary>
+ <type>
+ <v>SslSocket = sslsocket()</v>
+ <v>How = timeout() | {NewController::pid(), timeout()} </v>
+ <v>Reason = term()</v>
+ </type>
+ <desc><p>Closes or downgrades an SSL connection, in the later case the transport
+ connection will be handed over to the <c>NewController</c> process after reciving
+ the TLS close alert from the peer. The retuned transport socket will have
+ the following options set [{active, false}, {packet, 0}, {mode, binary}].</p>
+ </desc>
+ </func>
+
+ <func>
<name>connection_info(SslSocket) ->
{ok, {ProtocolVersion, CipherSuite}} | {error, Reason}</name>
<fsummary>Returns the Negotiated Protocol version and cipher suite.
diff --git a/lib/ssl/doc/src/ssl_app.xml b/lib/ssl/doc/src/ssl_app.xml
index 2b6dc7e8be..51ce0cedf1 100644
--- a/lib/ssl/doc/src/ssl_app.xml
+++ b/lib/ssl/doc/src/ssl_app.xml
@@ -87,6 +87,17 @@
marker="ssl#clear_pem_cache-0">ssl:clear_pem_cache/0</seealso>
</item>
+ <tag><c><![CDATA[alert_timeout = integer() <optional>]]></c></tag>
+ <item>
+ <p>
+ Number of milliseconds between sending of a fatal alert and
+ closing the connection. Waiting a little while improves the
+ peers chances to properly receiving the alert so it may
+ shutdown gracefully. Defaults to 5000 milliseconds.
+ </p>
+ </item>
+
+
</taglist>
</section>
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 120e8b59ed..03495cfd90 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -34,7 +34,7 @@
listen/2, transport_accept/1, transport_accept/2,
ssl_accept/1, ssl_accept/2, ssl_accept/3,
controlling_process/2, peername/1, peercert/1, sockname/1,
- close/1, shutdown/2, recv/2, recv/3, send/2, getopts/2, setopts/2
+ close/1, close/2, shutdown/2, recv/2, recv/3, send/2, getopts/2, setopts/2
]).
%% SSL/TLS protocol handling
-export([cipher_suites/0, cipher_suites/1, suite_definition/1,
@@ -99,7 +99,8 @@ stop() ->
connect(Socket, SslOptions) when is_port(Socket) ->
connect(Socket, SslOptions, infinity).
-connect(Socket, SslOptions0, Timeout) when is_port(Socket) ->
+connect(Socket, SslOptions0, Timeout) when is_port(Socket),
+ (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity) ->
{Transport,_,_,_} = proplists:get_value(cb_info, SslOptions0,
{gen_tcp, tcp, tcp_closed, tcp_error}),
EmulatedOptions = ssl_socket:emulated_options(),
@@ -125,7 +126,7 @@ connect(Socket, SslOptions0, Timeout) when is_port(Socket) ->
connect(Host, Port, Options) ->
connect(Host, Port, Options, infinity).
-connect(Host, Port, Options, Timeout) ->
+connect(Host, Port, Options, Timeout) when (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity) ->
try handle_options(Options) of
{ok, Config} ->
do_connect(Host,Port,Config,Timeout)
@@ -175,7 +176,7 @@ transport_accept(#sslsocket{pid = {ListenSocket,
#config{transport_info = {Transport,_,_, _} =CbInfo,
connection_cb = ConnectionCb,
ssl = SslOpts,
- emulated = Tracker}}}, Timeout) ->
+ emulated = Tracker}}}, Timeout) when (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity) ->
case Transport:accept(ListenSocket, Timeout) of
{ok, Socket} ->
{ok, EmOpts} = ssl_socket:get_emulated_opts(Tracker),
@@ -208,15 +209,16 @@ transport_accept(#sslsocket{pid = {ListenSocket,
ssl_accept(ListenSocket) ->
ssl_accept(ListenSocket, infinity).
-ssl_accept(#sslsocket{} = Socket, Timeout) ->
+ssl_accept(#sslsocket{} = Socket, Timeout) when (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity) ->
ssl_connection:handshake(Socket, Timeout);
ssl_accept(ListenSocket, SslOptions) when is_port(ListenSocket) ->
ssl_accept(ListenSocket, SslOptions, infinity).
-ssl_accept(#sslsocket{} = Socket, [], Timeout) ->
+ssl_accept(#sslsocket{} = Socket, [], Timeout) when (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity)->
ssl_accept(#sslsocket{} = Socket, Timeout);
-ssl_accept(#sslsocket{fd = {_, _, _, Tracker}} = Socket, SslOpts0, Timeout) ->
+ssl_accept(#sslsocket{fd = {_, _, _, Tracker}} = Socket, SslOpts0, Timeout) when
+ (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity)->
try
{ok, EmOpts, InheritedSslOpts} = ssl_socket:get_all_opts(Tracker),
SslOpts = handle_options(SslOpts0, InheritedSslOpts),
@@ -224,7 +226,8 @@ ssl_accept(#sslsocket{fd = {_, _, _, Tracker}} = Socket, SslOpts0, Timeout) ->
catch
Error = {error, _Reason} -> Error
end;
-ssl_accept(Socket, SslOptions, Timeout) when is_port(Socket) ->
+ssl_accept(Socket, SslOptions, Timeout) when is_port(Socket),
+ (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity) ->
{Transport,_,_,_} =
proplists:get_value(cb_info, SslOptions, {gen_tcp, tcp, tcp_closed, tcp_error}),
EmulatedOptions = ssl_socket:emulated_options(),
@@ -247,11 +250,27 @@ ssl_accept(Socket, SslOptions, Timeout) when is_port(Socket) ->
%% Description: Close an ssl connection
%%--------------------------------------------------------------------
close(#sslsocket{pid = Pid}) when is_pid(Pid) ->
- ssl_connection:close(Pid);
+ ssl_connection:close(Pid, {close, ?DEFAULT_TIMEOUT});
close(#sslsocket{pid = {ListenSocket, #config{transport_info={Transport,_, _, _}}}}) ->
Transport:close(ListenSocket).
%%--------------------------------------------------------------------
+-spec close(#sslsocket{}, integer() | {pid(), integer()}) -> term().
+%%
+%% Description: Close an ssl connection
+%%--------------------------------------------------------------------
+close(#sslsocket{pid = TLSPid},
+ {Pid, Timeout} = DownGrade) when is_pid(TLSPid),
+ is_pid(Pid),
+ (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity) ->
+ ssl_connection:close(TLSPid, {close, DownGrade});
+close(#sslsocket{pid = TLSPid}, Timeout) when is_pid(TLSPid),
+ (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity) ->
+ ssl_connection:close(TLSPid, {close, Timeout});
+close(#sslsocket{pid = {ListenSocket, #config{transport_info={Transport,_, _, _}}}}, _) ->
+ Transport:close(ListenSocket).
+
+%%--------------------------------------------------------------------
-spec send(#sslsocket{}, iodata()) -> ok | {error, reason()}.
%%
%% Description: Sends data over the ssl connection
@@ -269,7 +288,8 @@ send(#sslsocket{pid = {ListenSocket, #config{transport_info={Transport, _, _, _}
%%--------------------------------------------------------------------
recv(Socket, Length) ->
recv(Socket, Length, infinity).
-recv(#sslsocket{pid = Pid}, Length, Timeout) when is_pid(Pid) ->
+recv(#sslsocket{pid = Pid}, Length, Timeout) when is_pid(Pid),
+ (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity)->
ssl_connection:recv(Pid, Length, Timeout);
recv(#sslsocket{pid = {Listen,
#config{transport_info = {Transport, _, _, _}}}}, _,_) when is_port(Listen)->
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 5b754c16bc..f8afbdb41d 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -41,7 +41,7 @@
socket_control/4, socket_control/5]).
%% User Events
--export([send/2, recv/3, close/1, shutdown/2,
+-export([send/2, recv/3, close/2, shutdown/2,
new_user/2, get_opts/2, set_opts/2, session_info/1,
peer_certificate/1, renegotiation/1, negotiated_protocol/1, prf/5,
connection_information/1
@@ -171,18 +171,19 @@ connection_information(Pid) when is_pid(Pid) ->
sync_send_all_state_event(Pid, connection_information).
%%--------------------------------------------------------------------
--spec close(pid()) -> ok | {error, reason()}.
+-spec close(pid(), {close, Timeout::integer() |
+ {NewController::pid(), Timeout::integer()}}) ->
+ ok | {ok, port()} | {error, reason()}.
%%
%% Description: Close an ssl connection
%%--------------------------------------------------------------------
-close(ConnectionPid) ->
- case sync_send_all_state_event(ConnectionPid, close) of
+close(ConnectionPid, How) ->
+ case sync_send_all_state_event(ConnectionPid, How) of
{error, closed} ->
ok;
Other ->
Other
end.
-
%%--------------------------------------------------------------------
-spec shutdown(pid(), atom()) -> ok | {error, reason()}.
%%
@@ -706,12 +707,12 @@ handle_sync_event({start, Timeout}, StartFrom, StateName, #state{role = Role, s
{stop, normal, {error, Error}, State0}
end;
-handle_sync_event(close, _, StateName, #state{protocol_cb = Connection} = State) ->
- %% Run terminate before returning
- %% so that the reuseaddr inet-option will work
- %% as intended.
- (catch Connection:terminate(user_close, StateName, State)),
- {stop, normal, ok, State#state{terminated = true}};
+handle_sync_event({close, _} = Close, _, StateName, #state{protocol_cb = Connection} = State) ->
+ %% Run terminate before returning so that the reuseaddr
+ %% inet-option and possible downgrade will work as intended.
+ Result = Connection:terminate(Close, StateName, State),
+ {stop, normal, Result, State#state{terminated = true}};
+
handle_sync_event({shutdown, How0}, _, StateName,
#state{transport_cb = Transport,
negotiated_version = Version,
@@ -901,41 +902,46 @@ terminate(_, _, #state{terminated = true}) ->
%% we want to guarantee that Transport:close has been called
%% when ssl:close/1 returns.
ok;
-terminate({shutdown, transport_closed}, StateName, #state{send_queue = SendQueue,
- renegotiation = Renegotiate} = State) ->
- handle_unrecv_data(StateName, State),
+terminate({shutdown, transport_closed} = Reason,
+ _StateName, #state{send_queue = SendQueue, protocol_cb = Connection,
+ socket = Socket, transport_cb = Transport,
+ renegotiation = Renegotiate} = State) ->
handle_trusted_certs_db(State),
notify_senders(SendQueue),
- notify_renegotiater(Renegotiate);
-
-terminate({shutdown, own_alert}, _StateName, #state{send_queue = SendQueue,
- renegotiation = Renegotiate} = State) ->
+ notify_renegotiater(Renegotiate),
+ Connection:close(Reason, Socket, Transport, undefined, undefined);
+terminate({shutdown, own_alert}, _StateName, #state{send_queue = SendQueue, protocol_cb = Connection,
+ socket = Socket, transport_cb = Transport,
+ renegotiation = Renegotiate} = State) ->
handle_trusted_certs_db(State),
notify_senders(SendQueue),
- notify_renegotiater(Renegotiate);
+ notify_renegotiater(Renegotiate),
+ case application:get_env(ssl, alert_timeout) of
+ {ok, Timeout} when is_integer(Timeout) ->
+ Connection:close({timeout, Timeout}, Socket, Transport, undefined, undefined);
+ _ ->
+ Connection:close({timeout, ?DEFAULT_TIMEOUT}, Socket, Transport, undefined, undefined)
+ end;
terminate(Reason, connection, #state{negotiated_version = Version,
protocol_cb = Connection,
- connection_states = ConnectionStates,
+ connection_states = ConnectionStates0,
+ ssl_options = #ssl_options{padding_check = Check},
transport_cb = Transport, socket = Socket,
send_queue = SendQueue, renegotiation = Renegotiate} = State) ->
handle_trusted_certs_db(State),
notify_senders(SendQueue),
notify_renegotiater(Renegotiate),
- BinAlert = terminate_alert(Reason, Version, ConnectionStates),
+ {BinAlert, ConnectionStates} = terminate_alert(Reason, Version, ConnectionStates0),
Transport:send(Socket, BinAlert),
- case Connection of
- tls_connection ->
- tls_connection:workaround_transport_delivery_problems(Socket, Transport);
- _ ->
- ok
- end;
-terminate(_Reason, _StateName, #state{transport_cb = Transport,
+ Connection:close(Reason, Socket, Transport, ConnectionStates, Check);
+
+terminate(Reason, _StateName, #state{transport_cb = Transport, protocol_cb = Connection,
socket = Socket, send_queue = SendQueue,
renegotiation = Renegotiate} = State) ->
handle_trusted_certs_db(State),
notify_senders(SendQueue),
notify_renegotiater(Renegotiate),
- Transport:close(Socket).
+ Connection:close(Reason, Socket, Transport, undefined, undefined).
format_status(normal, [_, State]) ->
[{data, [{"StateData", State}]}];
@@ -1758,30 +1764,17 @@ get_timeout(#state{ssl_options=#ssl_options{hibernate_after = undefined}}) ->
get_timeout(#state{ssl_options=#ssl_options{hibernate_after = HibernateAfter}}) ->
HibernateAfter.
-terminate_alert(Reason, Version, ConnectionStates) when Reason == normal;
- Reason == user_close ->
- {BinAlert, _} = ssl_alert:encode(?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
- Version, ConnectionStates),
- BinAlert;
-terminate_alert({shutdown, _}, Version, ConnectionStates) ->
- {BinAlert, _} = ssl_alert:encode(?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
- Version, ConnectionStates),
- BinAlert;
+terminate_alert(normal, Version, ConnectionStates) ->
+ ssl_alert:encode(?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
+ Version, ConnectionStates);
+terminate_alert({Reason, _}, Version, ConnectionStates) when Reason == close;
+ Reason == shutdown ->
+ ssl_alert:encode(?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
+ Version, ConnectionStates);
terminate_alert(_, Version, ConnectionStates) ->
- {BinAlert, _} = ssl_alert:encode(?ALERT_REC(?FATAL, ?INTERNAL_ERROR),
- Version, ConnectionStates),
- BinAlert.
-
-handle_unrecv_data(StateName, #state{socket = Socket, transport_cb = Transport,
- protocol_cb = Connection} = State) ->
- ssl_socket:setopts(Transport, Socket, [{active, false}]),
- case Transport:recv(Socket, 0, 0) of
- {error, closed} ->
- ok;
- {ok, Data} ->
- Connection:handle_close_alert(Data, StateName, State)
- end.
+ ssl_alert:encode(?ALERT_REC(?FATAL, ?INTERNAL_ERROR),
+ Version, ConnectionStates).
handle_trusted_certs_db(#state{ssl_options = #ssl_options{cacertfile = <<>>, cacerts = []}}) ->
%% No trusted certs specified
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index 7fda2377ee..3093508f61 100644
--- a/lib/ssl/src/tls_connection.erl
+++ b/lib/ssl/src/tls_connection.erl
@@ -54,7 +54,7 @@
%% Alert and close handling
-export([send_alert/2, handle_own_alert/4, handle_close_alert/3,
handle_normal_shutdown/3, handle_unexpected_message/3,
- workaround_transport_delivery_problems/2, alert_user/6, alert_user/9
+ close/5, alert_user/6, alert_user/9
]).
%% Data handling
@@ -924,8 +924,7 @@ handle_own_alert(Alert, Version, StateName,
try %% Try to tell the other side
{BinMsg, _} =
ssl_alert:encode(Alert, Version, ConnectionStates),
- Transport:send(Socket, BinMsg),
- workaround_transport_delivery_problems(Socket, Transport)
+ Transport:send(Socket, BinMsg)
catch _:_ -> %% Can crash if we are in a uninitialized state
ignore
end,
@@ -977,21 +976,57 @@ invalidate_session(client, Host, Port, Session) ->
invalidate_session(server, _, Port, Session) ->
ssl_manager:invalidate_session(Port, Session).
-workaround_transport_delivery_problems(Socket, gen_tcp = Transport) ->
+%% User downgrades connection
+%% When downgrading an TLS connection to a transport connection
+%% we must recive the close message before releasing the
+%% transport socket.
+close({close, {Pid, Timeout}}, Socket, Transport, ConnectionStates, Check) when is_pid(Pid) ->
+ ssl_socket:setopts(Transport, Socket, [{active, false}, {packet, ssl_tls}]),
+ case Transport:recv(Socket, 0, Timeout) of
+ {ok, {ssl_tls, Socket, ?ALERT, Version, Fragment}} ->
+ case tls_record:decode_cipher_text(#ssl_tls{type = ?ALERT,
+ version = Version,
+ fragment = Fragment
+ }, ConnectionStates, Check) of
+ {#ssl_tls{fragment = Plain}, _} ->
+ [Alert| _] = decode_alerts(Plain),
+ downgrade(Alert, Transport, Socket, Pid)
+ end;
+ {error, timeout} ->
+ {error, timeout};
+ _ ->
+ {error, no_tls_close}
+ end;
+%% User closes or recursive call!
+close({close, Timeout}, Socket, Transport = gen_tcp, _,_) ->
+ ssl_socket:setopts(Transport, Socket, [{active, false}]),
+ Transport:shutdown(Socket, write),
+ _ = Transport:recv(Socket, 0, Timeout),
+ ok;
+%% Peer closed socket
+close({shutdown, transport_closed}, Socket, Transport = gen_tcp, ConnectionStates, Check) ->
+ close({close, 0}, Socket, Transport, ConnectionStates, Check);
+%% We generate fatal alert
+close({shutdown, own_alert}, Socket, Transport = gen_tcp, ConnectionStates, Check) ->
%% Standard trick to try to make sure all
%% data sent to the tcp port is really delivered to the
%% peer application before tcp port is closed so that the peer will
%% get the correct TLS alert message and not only a transport close.
- ssl_socket:setopts(Transport, Socket, [{active, false}]),
- Transport:shutdown(Socket, write),
- %% Will return when other side has closed or after 30 s
+ %% Will return when other side has closed or after timout millisec
%% e.g. we do not want to hang if something goes wrong
%% with the network but we want to maximise the odds that
%% peer application gets all data sent on the tcp connection.
- Transport:recv(Socket, 0, 30000);
-workaround_transport_delivery_problems(Socket, Transport) ->
+ close({close, ?DEFAULT_TIMEOUT}, Socket, Transport, ConnectionStates, Check);
+%% Other
+close(_, Socket, Transport, _,_) ->
Transport:close(Socket).
-
+downgrade(#alert{description = ?CLOSE_NOTIFY}, Transport, Socket, Pid) ->
+ ssl_socket:setopts(Transport, Socket, [{active, false}, {packet, 0}, {mode, binary}]),
+ Transport:controlling_process(Socket, Pid),
+ {ok, Socket};
+downgrade(_, _,_,_) ->
+ {error, no_tls_close}.
+
convert_state(#state{ssl_options = Options} = State, up, "5.3.5", "5.3.6") ->
State#state{ssl_options = convert_options_partial_chain(Options, up)};
convert_state(#state{ssl_options = Options} = State, down, "5.3.6", "5.3.5") ->
diff --git a/lib/ssl/test/ssl_basic_SUITE.erl b/lib/ssl/test/ssl_basic_SUITE.erl
index 378f42c2ee..82c3c4ac74 100644
--- a/lib/ssl/test/ssl_basic_SUITE.erl
+++ b/lib/ssl/test/ssl_basic_SUITE.erl
@@ -129,6 +129,8 @@ api_tests() ->
controlling_process,
upgrade,
upgrade_with_timeout,
+ downgrade,
+ close_with_timeout,
shutdown,
shutdown_write,
shutdown_both,
@@ -320,7 +322,8 @@ init_per_testcase(rizzo, Config) ->
Config;
init_per_testcase(TestCase, Config) when TestCase == ssl_accept_timeout;
- TestCase == client_closes_socket ->
+ TestCase == client_closes_socket;
+ TestCase == downgrade ->
ct:log("TLS/SSL version ~p~n ", [tls_record:supported_protocol_versions()]),
ct:timetrap({seconds, 15}),
Config;
@@ -1408,6 +1411,53 @@ upgrade_with_timeout(Config) when is_list(Config) ->
ssl_test_lib:close(Client).
%%--------------------------------------------------------------------
+downgrade() ->
+ [{doc,"Test that you can downgarde an ssl connection to an tcp connection"}].
+downgrade(Config) when is_list(Config) ->
+ ClientOpts = ?config(client_opts, Config),
+ ServerOpts = ?config(server_opts, Config),
+
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, tls_downgrade, []}},
+ {options, [{active, false} | ServerOpts]}]),
+ Port = ssl_test_lib:inet_port(Server),
+ Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE, tls_downgrade, []}},
+ {options, [{active, false} |ClientOpts]}]),
+
+ ssl_test_lib:check_result(Server, ok, Client, ok),
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client).
+
+%%--------------------------------------------------------------------
+close_with_timeout() ->
+ [{doc,"Test normal (not downgrade) ssl:close/2"}].
+close_with_timeout(Config) when is_list(Config) ->
+ ClientOpts = ?config(client_opts, Config),
+ ServerOpts = ?config(server_opts, Config),
+
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, tls_close, []}},
+ {options,[{active, false} | ServerOpts]}]),
+ Port = ssl_test_lib:inet_port(Server),
+ Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE, tls_close, []}},
+ {options, [{active, false} |ClientOpts]}]),
+
+ ssl_test_lib:check_result(Server, ok, Client, ok).
+
+
+%%--------------------------------------------------------------------
tcp_connect() ->
[{doc,"Test what happens when a tcp tries to connect, i,e. a bad (ssl) packet is sent first"}].
@@ -3931,6 +3981,30 @@ connect_dist_c(S) ->
{ok, Test} = ssl:recv(S, 0, 10000),
ok.
+tls_downgrade(Socket) ->
+ ok = ssl_test_lib:send_recv_result(Socket),
+ case ssl:close(Socket, {self(), 5000}) of
+ {ok, TCPSocket} ->
+ inet:setopts(TCPSocket, [{active, true}]),
+ gen_tcp:send(TCPSocket, "Downgraded"),
+ receive
+ {tcp, TCPSocket, <<"Downgraded">>} ->
+ ok;
+ Other ->
+ {error, Other}
+ end;
+ {error, timeout} ->
+ ct:pal("Timed out, downgrade aborted"),
+ ok;
+ Fail ->
+ {error, Fail}
+ end.
+
+tls_close(Socket) ->
+ ok = ssl_test_lib:send_recv_result(Socket),
+ ok = ssl:close(Socket, 5000).
+
+
%% First two clauses handles 1/n-1 splitting countermeasure Rizzo/Duong-Beast
treashold(N, {3,0}) ->
(N div 2) + 1;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 18:05:18 +0000