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-rw-r--r--lib/ssl/src/ssl.appup.src2
-rw-r--r--lib/ssl/src/ssl_connection.erl207
-rw-r--r--lib/ssl/test/ssl_basic_SUITE.erl84
-rw-r--r--lib/ssl/test/ssl_session_cache_SUITE.erl9
-rw-r--r--lib/ssl/test/ssl_test_lib.erl23
-rw-r--r--lib/ssl/vsn.mk2
6 files changed, 223 insertions, 104 deletions
diff --git a/lib/ssl/src/ssl.appup.src b/lib/ssl/src/ssl.appup.src
index 29674f30da..1b07e76d6a 100644
--- a/lib/ssl/src/ssl.appup.src
+++ b/lib/ssl/src/ssl.appup.src
@@ -1,6 +1,7 @@
%% -*- erlang -*-
{"%VSN%",
[
+ {"4.1.6", [{restart_application, ssl}]},
{"4.1.5", [{restart_application, ssl}]},
{"4.1.4", [{restart_application, ssl}]},
{"4.1.3", [{restart_application, ssl}]},
@@ -10,6 +11,7 @@
{"4.0.1", [{restart_application, ssl}]}
],
[
+ {"4.1.6", [{restart_application, ssl}]},
{"4.1.5", [{restart_application, ssl}]},
{"4.1.4", [{restart_application, ssl}]},
{"4.1.3", [{restart_application, ssl}]},
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index cec81d551b..000d51ab6f 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -91,12 +91,14 @@
renegotiation, % {boolean(), From | internal | peer}
recv_during_renegotiation, %boolean()
send_queue, % queue()
- terminated = false %
+ terminated = false, %
+ allow_renegotiate = true
}).
-define(DEFAULT_DIFFIE_HELLMAN_PARAMS,
- #'DHParameter'{prime = ?DEFAULT_DIFFIE_HELLMAN_PRIME,
+ #'DHParameter'{prime = ?DEFAULT_DIFFIE_HELLMAN_PRIME,
base = ?DEFAULT_DIFFIE_HELLMAN_GENERATOR}).
+-define(WAIT_TO_ALLOW_RENEGOTIATION, 12000).
-type state_name() :: hello | abbreviated | certify | cipher | connection.
-type gen_fsm_state_return() :: {next_state, state_name(), #state{}} |
@@ -356,15 +358,15 @@ hello(start, #state{host = Host, port = Port, role = client,
is_resumable = false},
tls_handshake_hashes = Hashes1},
{Record, State} = next_record(State1),
- next_state(hello, Record, State);
+ next_state(hello, hello, Record, State);
hello(start, #state{role = server} = State0) ->
{Record, State} = next_record(State0),
- next_state(hello, Record, State);
+ next_state(hello, hello, Record, State);
hello(#hello_request{}, #state{role = client} = State0) ->
{Record, State} = next_record(State0),
- next_state(hello, Record, State);
+ next_state(hello, hello, Record, State);
hello(#server_hello{cipher_suite = CipherSuite,
compression_method = Compression} = Hello,
@@ -427,7 +429,7 @@ hello(Msg, State) ->
%%--------------------------------------------------------------------
abbreviated(#hello_request{}, State0) ->
{Record, State} = next_record(State0),
- next_state(hello, Record, State);
+ next_state(abbreviated, hello, Record, State);
abbreviated(#finished{verify_data = Data} = Finished,
#state{role = server,
@@ -480,7 +482,7 @@ abbreviated(Msg, State) ->
%%--------------------------------------------------------------------
certify(#hello_request{}, State0) ->
{Record, State} = next_record(State0),
- next_state(hello, Record, State);
+ next_state(certify, hello, Record, State);
certify(#certificate{asn1_certificates = []},
#state{role = server, negotiated_version = Version,
@@ -488,7 +490,7 @@ certify(#certificate{asn1_certificates = []},
fail_if_no_peer_cert = true}} =
State) ->
Alert = ?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE),
- handle_own_alert(Alert, Version, certify_certificate, State),
+ handle_own_alert(Alert, Version, certify, State),
{stop, normal, State};
certify(#certificate{asn1_certificates = []},
@@ -497,7 +499,7 @@ certify(#certificate{asn1_certificates = []},
fail_if_no_peer_cert = false}} =
State0) ->
{Record, State} = next_record(State0#state{client_certificate_requested = false}),
- next_state(certify, Record, State);
+ next_state(certify, certify, Record, State);
certify(#certificate{} = Cert,
#state{negotiated_version = Version,
@@ -512,7 +514,7 @@ certify(#certificate{} = Cert,
handle_peer_cert(PeerCert, PublicKeyInfo,
State#state{client_certificate_requested = false});
#alert{} = Alert ->
- handle_own_alert(Alert, Version, certify_certificate, State),
+ handle_own_alert(Alert, Version, certify, State),
{stop, normal, State}
end;
@@ -523,10 +525,9 @@ certify(#server_key_exchange{} = KeyExchangeMsg,
case handle_server_key(KeyExchangeMsg, State0) of
#state{} = State1 ->
{Record, State} = next_record(State1),
- next_state(certify, Record, State);
+ next_state(certify, certify, Record, State);
#alert{} = Alert ->
- handle_own_alert(Alert, Version, certify_server_keyexchange,
- State0),
+ handle_own_alert(Alert, Version, certify, State0),
{stop, normal, State0}
end;
@@ -536,7 +537,7 @@ certify(#server_key_exchange{} = Msg,
certify(#certificate_request{}, State0) ->
{Record, State} = next_record(State0#state{client_certificate_requested = true}),
- next_state(certify, Record, State);
+ next_state(certify, certify, Record, State);
%% Master secret was determined with help of server-key exchange msg
certify(#server_hello_done{},
@@ -551,8 +552,7 @@ certify(#server_hello_done{},
State = State0#state{connection_states = ConnectionStates1},
client_certify_and_key_exchange(State);
#alert{} = Alert ->
- handle_own_alert(Alert, Version,
- certify_server_hello_done, State0),
+ handle_own_alert(Alert, Version, certify, State0),
{stop, normal, State0}
end;
@@ -571,8 +571,7 @@ certify(#server_hello_done{},
session = Session},
client_certify_and_key_exchange(State);
#alert{} = Alert ->
- handle_own_alert(Alert, Version,
- certify_server_hello_done, State0),
+ handle_own_alert(Alert, Version, certify, State0),
{stop, normal, State0}
end;
@@ -589,7 +588,7 @@ certify(#client_key_exchange{exchange_keys = Keys},
certify_client_key_exchange(ssl_handshake:decode_client_key(Keys, KeyAlg, Version), State)
catch
#alert{} = Alert ->
- handle_own_alert(Alert, Version, certify_client_key_exchange, State),
+ handle_own_alert(Alert, Version, certify, State),
{stop, normal, State}
end;
@@ -612,10 +611,9 @@ certify_client_key_exchange(#encrypted_premaster_secret{premaster_secret= EncPMS
State1 = State0#state{connection_states = ConnectionStates,
session = Session},
{Record, State} = next_record(State1),
- next_state(cipher, Record, State);
+ next_state(certify, cipher, Record, State);
#alert{} = Alert ->
- handle_own_alert(Alert, Version,
- certify_client_key_exchange, State0),
+ handle_own_alert(Alert, Version, certify, State0),
{stop, normal, State0}
end;
@@ -627,10 +625,9 @@ certify_client_key_exchange(#client_diffie_hellman_public{dh_public = ClientPubl
case dh_master_secret(crypto:mpint(P), crypto:mpint(G), ClientPublicDhKey, ServerDhPrivateKey, State0) of
#state{} = State1 ->
{Record, State} = next_record(State1),
- next_state(cipher, Record, State);
+ next_state(certify, cipher, Record, State);
#alert{} = Alert ->
- handle_own_alert(Alert, Version,
- certify_client_key_exchange, State0),
+ handle_own_alert(Alert, Version, certify, State0),
{stop, normal, State0}
end.
@@ -640,7 +637,7 @@ certify_client_key_exchange(#client_diffie_hellman_public{dh_public = ClientPubl
%%--------------------------------------------------------------------
cipher(#hello_request{}, State0) ->
{Record, State} = next_record(State0),
- next_state(hello, Record, State);
+ next_state(cipher, hello, Record, State);
cipher(#certificate_verify{signature = Signature},
#state{role = server,
@@ -653,7 +650,7 @@ cipher(#certificate_verify{signature = Signature},
Version, MasterSecret, Hashes) of
valid ->
{Record, State} = next_record(State0),
- next_state(cipher, Record, State);
+ next_state(cipher, cipher, Record, State);
#alert{} = Alert ->
handle_own_alert(Alert, Version, cipher, State0),
{stop, normal, State0}
@@ -706,10 +703,28 @@ connection(#hello_request{}, #state{host = Host, port = Port,
{Record, State} = next_record(State0#state{connection_states =
ConnectionStates1,
tls_handshake_hashes = Hashes1}),
- next_state(hello, Record, State);
-connection(#client_hello{} = Hello, #state{role = server} = State) ->
- hello(Hello, State);
-
+ next_state(connection, hello, Record, State);
+connection(#client_hello{} = Hello, #state{role = server, allow_renegotiate = true} = State) ->
+ %% Mitigate Computational DoS attack
+ %% http://www.educatedguesswork.org/2011/10/ssltls_and_computational_dos.html
+ %% http://www.thc.org/thc-ssl-dos/ Rather than disabling client
+ %% initiated renegotiation we will disallow many client initiated
+ %% renegotiations immediately after each other.
+ erlang:send_after(?WAIT_TO_ALLOW_RENEGOTIATION, self(), allow_renegotiate),
+ hello(Hello, State#state{allow_renegotiate = false});
+
+connection(#client_hello{}, #state{role = server, allow_renegotiate = false,
+ connection_states = ConnectionStates0,
+ socket = Socket, transport_cb = Transport,
+ negotiated_version = Version} = State0) ->
+ Alert = ?ALERT_REC(?WARNING, ?NO_RENEGOTIATION),
+ {BinMsg, ConnectionStates} =
+ encode_alert(Alert, Version, ConnectionStates0),
+ Transport:send(Socket, BinMsg),
+ {Record, State} = next_record(State0#state{connection_states =
+ ConnectionStates}),
+ next_state(connection, connection, Record, State);
+
connection(timeout, State) ->
{next_state, connection, State, hibernate};
@@ -870,7 +885,7 @@ handle_sync_event({set_opts, Opts0}, _From, StateName,
Buffer =:= <<>>, Opts1#socket_options.active =:= false ->
%% Need data, set active once
{Record, State2} = next_record_if_active(State1),
- case next_state(StateName, Record, State2) of
+ case next_state(StateName, StateName, Record, State2) of
{next_state, StateName, State, Timeout} ->
{reply, Reply, StateName, State, Timeout};
{stop, Reason, State} ->
@@ -884,7 +899,7 @@ handle_sync_event({set_opts, Opts0}, _From, StateName,
Stop = {stop,_,_} ->
Stop;
{Record, State2} ->
- case next_state(StateName, Record, State2) of
+ case next_state(StateName, StateName, Record, State2) of
{next_state, StateName, State, Timeout} ->
{reply, Reply, StateName, State, Timeout};
{stop, Reason, State} ->
@@ -932,22 +947,18 @@ handle_sync_event(peer_certificate, _, StateName,
%% raw data from TCP, unpack records
handle_info({Protocol, _, Data}, StateName,
- #state{data_tag = Protocol,
- negotiated_version = Version} = State0) ->
+ #state{data_tag = Protocol} = State0) ->
case next_tls_record(Data, State0) of
{Record, State} ->
- next_state(StateName, Record, State);
+ next_state(StateName, StateName, Record, State);
#alert{} = Alert ->
- handle_own_alert(Alert, Version, StateName, State0),
+ handle_normal_shutdown(Alert, StateName, State0),
{stop, normal, State0}
end;
-handle_info({CloseTag, Socket}, _StateName,
+handle_info({CloseTag, Socket}, StateName,
#state{socket = Socket, close_tag = CloseTag,
- negotiated_version = Version,
- socket_options = Opts,
- user_application = {_Mon,Pid}, from = From,
- role = Role} = State) ->
+ negotiated_version = Version} = State) ->
%% Note that as of TLS 1.1,
%% failure to properly close a connection no longer requires that a
%% session not be resumed. This is a change from TLS 1.0 to conform
@@ -962,8 +973,7 @@ handle_info({CloseTag, Socket}, _StateName,
%%invalidate_session(Role, Host, Port, Session)
ok
end,
- alert_user(Opts#socket_options.active, Pid, From,
- ?ALERT_REC(?WARNING, ?CLOSE_NOTIFY), Role),
+ handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State),
{stop, normal, State};
handle_info({ErrorTag, Socket, econnaborted}, StateName,
@@ -972,18 +982,20 @@ handle_info({ErrorTag, Socket, econnaborted}, StateName,
alert_user(User, ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE), Role),
{stop, normal, State};
-handle_info({ErrorTag, Socket, Reason}, _,
- #state{socket = Socket, from = User,
- role = Role, error_tag = ErrorTag} = State) ->
+handle_info({ErrorTag, Socket, Reason}, StateName, #state{socket = Socket,
+ error_tag = ErrorTag} = State) ->
Report = io_lib:format("SSL: Socket error: ~p ~n", [Reason]),
error_logger:info_report(Report),
- alert_user(User, ?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), Role),
+ handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State),
{stop, normal, State};
handle_info({'DOWN', MonitorRef, _, _, _}, _,
State = #state{user_application={MonitorRef,_Pid}}) ->
{stop, normal, State};
+handle_info(allow_renegotiate, StateName, State) ->
+ {next_state, StateName, State#state{allow_renegotiate = true}, get_timeout(State)};
+
handle_info(Msg, StateName, State) ->
Report = io_lib:format("SSL: Got unexpected info: ~p ~n", [Msg]),
error_logger:info_report(Report),
@@ -1177,7 +1189,7 @@ handle_peer_cert(PeerCert, PublicKeyInfo,
Session#session{peer_certificate = PeerCert},
public_key_info = PublicKeyInfo},
{Record, State} = next_record(State1),
- next_state(certify, Record, State).
+ next_state(certify, certify, Record, State).
certify_client(#state{client_certificate_requested = true, role = client,
connection_states = ConnectionStates0,
@@ -1219,8 +1231,7 @@ verify_client_cert(#state{client_certificate_requested = true, role = client,
ignore ->
State;
#alert{} = Alert ->
- handle_own_alert(Alert, Version, certify, State)
-
+ throw(Alert)
end;
verify_client_cert(#state{client_certificate_requested = false} = State) ->
State.
@@ -1252,7 +1263,7 @@ do_server_hello(Type, #state{negotiated_version = Version,
ConnectionStates,
tls_handshake_hashes = Hashes},
{Record, State} = next_record(State3),
- next_state(abbreviated, Record, State);
+ next_state(hello, abbreviated, Record, State);
#alert{} = Alert ->
handle_own_alert(Alert, Version, hello, State1),
{stop, normal, State1}
@@ -1272,7 +1283,7 @@ new_server_hello(#server_hello{cipher_suite = CipherSuite,
cipher_suite = CipherSuite,
compression_method = Compression},
{Record, State} = next_record(State2#state{session = Session}),
- next_state(certify, Record, State)
+ next_state(hello, certify, Record, State)
catch
#alert{} = Alert ->
handle_own_alert(Alert, Version, hello, State0),
@@ -1284,7 +1295,7 @@ handle_new_session(NewId, CipherSuite, Compression, #state{session = Session0} =
cipher_suite = CipherSuite,
compression_method = Compression},
{Record, State} = next_record(State0#state{session = Session}),
- next_state(certify, Record, State).
+ next_state(hello, certify, Record, State).
handle_resumed_session(SessId, #state{connection_states = ConnectionStates0,
negotiated_version = Version,
@@ -1299,7 +1310,7 @@ handle_resumed_session(SessId, #state{connection_states = ConnectionStates0,
next_record(State0#state{
connection_states = ConnectionStates1,
session = Session}),
- next_state(abbreviated, Record, State);
+ next_state(hello, abbreviated, Record, State);
#alert{} = Alert ->
handle_own_alert(Alert, Version, hello, State0),
{stop, normal, State0}
@@ -1316,10 +1327,10 @@ client_certify_and_key_exchange(#state{negotiated_version = Version} =
client_certificate_requested = false,
tls_handshake_hashes = Hashes},
{Record, State} = next_record(State2),
- next_state(cipher, Record, State)
+ next_state(certify, cipher, Record, State)
catch
- #alert{} = Alert ->
- handle_own_alert(Alert, Version, client_certify_and_key_exchange, State0),
+ throw:#alert{} = Alert ->
+ handle_own_alert(Alert, Version, certify, State0),
{stop, normal, State0}
end.
@@ -1652,13 +1663,13 @@ passive_receive(State0 = #state{user_data_buffer = Buffer}, StateName) ->
case Buffer of
<<>> ->
{Record, State} = next_record(State0),
- next_state(StateName, Record, State);
+ next_state(StateName, StateName, Record, State);
_ ->
case application_data(<<>>, State0) of
Stop = {stop, _, _} ->
Stop;
{Record, State} ->
- next_state(StateName, Record, State)
+ next_state(StateName, StateName, Record, State)
end
end.
@@ -1796,6 +1807,10 @@ header(N, Binary) ->
send_or_reply(false, _Pid, From, Data) when From =/= undefined ->
gen_fsm:reply(From, Data);
+%% Can happen when handling own alert or tcp error/close and there is
+%% no outstanding gen_fsm sync events
+send_or_reply(false, no_pid, _, _) ->
+ ok;
send_or_reply(_, Pid, _From, Data) ->
send_user(Pid, Data).
@@ -1820,18 +1835,18 @@ handle_tls_handshake(Handle, StateName, #state{tls_packets = [Packet | Packets]}
Stop
end.
-next_state(_, #alert{} = Alert, #state{negotiated_version = Version} = State) ->
- handle_own_alert(Alert, Version, decipher_error, State),
+next_state(Current,_, #alert{} = Alert, #state{negotiated_version = Version} = State) ->
+ handle_own_alert(Alert, Version, Current, State),
{stop, normal, State};
-next_state(Next, no_record, State) ->
+next_state(_,Next, no_record, State) ->
{next_state, Next, State, get_timeout(State)};
-next_state(Next, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, State) ->
+next_state(_,Next, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, State) ->
Alerts = decode_alerts(EncAlerts),
handle_alerts(Alerts, {next_state, Next, State, get_timeout(State)});
-next_state(StateName, #ssl_tls{type = ?HANDSHAKE, fragment = Data},
+next_state(Current, Next, #ssl_tls{type = ?HANDSHAKE, fragment = Data},
State0 = #state{tls_handshake_buffer = Buf0, negotiated_version = Version}) ->
Handle =
fun({#hello_request{} = Packet, _}, {next_state, connection = SName, State}) ->
@@ -1857,30 +1872,30 @@ next_state(StateName, #ssl_tls{type = ?HANDSHAKE, fragment = Data},
try
{Packets, Buf} = ssl_handshake:get_tls_handshake(Data,Buf0),
State = State0#state{tls_packets = Packets, tls_handshake_buffer = Buf},
- handle_tls_handshake(Handle, StateName, State)
+ handle_tls_handshake(Handle, Next, State)
catch throw:#alert{} = Alert ->
- handle_own_alert(Alert, Version, StateName, State0),
+ handle_own_alert(Alert, Version, Current, State0),
{stop, normal, State0}
end;
-next_state(StateName, #ssl_tls{type = ?APPLICATION_DATA, fragment = Data}, State0) ->
+next_state(_, StateName, #ssl_tls{type = ?APPLICATION_DATA, fragment = Data}, State0) ->
case application_data(Data, State0) of
Stop = {stop,_,_} ->
Stop;
{Record, State} ->
- next_state(StateName, Record, State)
+ next_state(StateName, StateName, Record, State)
end;
-next_state(StateName, #ssl_tls{type = ?CHANGE_CIPHER_SPEC, fragment = <<1>>} =
+next_state(Current, Next, #ssl_tls{type = ?CHANGE_CIPHER_SPEC, fragment = <<1>>} =
_ChangeCipher,
#state{connection_states = ConnectionStates0} = State0) ->
ConnectionStates1 =
ssl_record:activate_pending_connection_state(ConnectionStates0, read),
{Record, State} = next_record(State0#state{connection_states = ConnectionStates1}),
- next_state(StateName, Record, State);
-next_state(StateName, #ssl_tls{type = _Unknown}, State0) ->
+ next_state(Current, Next, Record, State);
+next_state(Current, Next, #ssl_tls{type = _Unknown}, State0) ->
%% Ignore unknown type
{Record, State} = next_record(State0),
- next_state(StateName, Record, State).
+ next_state(Current, Next, Record, State).
next_tls_record(Data, #state{tls_record_buffer = Buf0,
tls_cipher_texts = CT0} = State0) ->
@@ -1946,23 +1961,23 @@ next_state_connection(StateName, #state{send_queue = Queue0,
renegotiation = {true, internal}})
end;
{empty, Queue0} ->
- next_state_is_connection(State)
+ next_state_is_connection(StateName, State)
end.
%% In next_state_is_connection/1: clear tls_handshake_hashes,
%% 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_during_renegotiation = true, socket_options =
- #socket_options{active = false}}) ->
+next_state_is_connection(_, State =
+ #state{recv_during_renegotiation = true, socket_options =
+ #socket_options{active = false}}) ->
passive_receive(State#state{recv_during_renegotiation = false,
premaster_secret = undefined,
public_key_info = undefined,
tls_handshake_hashes = {<<>>, <<>>}}, connection);
-next_state_is_connection(State0) ->
+next_state_is_connection(StateName, State0) ->
{Record, State} = next_record_if_active(State0),
- next_state(connection, Record, State#state{premaster_secret = undefined,
+ next_state(StateName, connection, Record, State#state{premaster_secret = undefined,
public_key_info = undefined,
tls_handshake_hashes = {<<>>, <<>>}}).
@@ -2131,16 +2146,14 @@ handle_alert(#alert{level = ?FATAL} = Alert, StateName,
{stop, normal, State};
handle_alert(#alert{level = ?WARNING, description = ?CLOSE_NOTIFY} = Alert,
- StateName, #state{from = From, role = Role,
- user_application = {_Mon, Pid}, socket_options = Opts} = State) ->
- alert_user(StateName, Opts, Pid, From, Alert, Role),
+ StateName, State) ->
+ handle_normal_shutdown(Alert, StateName, State),
{stop, normal, State};
handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName,
- #state{log_alert = Log, renegotiation = {true, internal}, from = From,
- role = Role} = State) ->
+ #state{log_alert = Log, renegotiation = {true, internal}} = State) ->
log_alert(Log, StateName, Alert),
- alert_user(From, Alert, Role),
+ handle_normal_shutdown(Alert, StateName, State),
{stop, normal, State};
handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName,
@@ -2148,13 +2161,13 @@ handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert,
log_alert(Log, StateName, Alert),
gen_fsm:reply(From, {error, renegotiation_rejected}),
{Record, State} = next_record(State0),
- next_state(connection, Record, State);
+ next_state(StateName, connection, Record, State);
handle_alert(#alert{level = ?WARNING, description = ?USER_CANCELED} = Alert, StateName,
#state{log_alert = Log} = State0) ->
log_alert(Log, StateName, Alert),
{Record, State} = next_record(State0),
- next_state(StateName, Record, State).
+ next_state(StateName, StateName, Record, State).
alert_user(connection, Opts, Pid, From, Alert, Role) ->
alert_user(Opts#socket_options.active, Pid, From, Alert, Role);
@@ -2186,13 +2199,11 @@ log_alert(true, Info, Alert) ->
log_alert(false, _, _) ->
ok.
-handle_own_alert(Alert, Version, Info,
+handle_own_alert(Alert, Version, StateName,
#state{transport_cb = Transport,
socket = Socket,
- from = User,
- role = Role,
connection_states = ConnectionStates,
- log_alert = Log}) ->
+ log_alert = Log} = State) ->
try %% Try to tell the other side
{BinMsg, _} =
encode_alert(Alert, Version, ConnectionStates),
@@ -2202,12 +2213,20 @@ handle_own_alert(Alert, Version, Info,
ignore
end,
try %% Try to tell the local user
- log_alert(Log, Info, Alert),
- alert_user(User, Alert, Role)
+ log_alert(Log, StateName, Alert),
+ handle_normal_shutdown(Alert,StateName, State)
catch _:_ ->
ok
end.
+handle_normal_shutdown(Alert, _, #state{from = User, role = Role, renegotiation = {false, first}}) ->
+ alert_user(User, 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).
+
handle_unexpected_message(Msg, Info, #state{negotiated_version = Version} = State) ->
Alert = ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE),
handle_own_alert(Alert, Version, {Info, Msg}, State),
@@ -2257,7 +2276,7 @@ renegotiate(#state{role = server,
{Record, State} = next_record(State0#state{connection_states =
ConnectionStates,
tls_handshake_hashes = Hs0}),
- next_state(hello, Record, State).
+ next_state(connection, hello, Record, State#state{allow_renegotiate = true}).
notify_senders(SendQueue) ->
lists:foreach(fun({From, _}) ->
diff --git a/lib/ssl/test/ssl_basic_SUITE.erl b/lib/ssl/test/ssl_basic_SUITE.erl
index 8da1d947d3..d3f98d0bff 100644
--- a/lib/ssl/test/ssl_basic_SUITE.erl
+++ b/lib/ssl/test/ssl_basic_SUITE.erl
@@ -37,6 +37,7 @@
-define(LONG_TIMEOUT, 600000).
-define(EXPIRE, 10).
-define(SLEEP, 500).
+-define(RENEGOTIATION_DISABLE_TIME, 12000).
%% Test server callback functions
%%--------------------------------------------------------------------
@@ -257,7 +258,8 @@ all() ->
%%different_ca_peer_sign,
no_reuses_session_server_restart_new_cert,
no_reuses_session_server_restart_new_cert_file, reuseaddr,
- hibernate, connect_twice
+ hibernate, connect_twice, renegotiate_dos_mitigate,
+ tcp_error_propagation_in_active_mode
].
groups() ->
@@ -3655,7 +3657,68 @@ connect_twice(Config) when is_list(Config) ->
ssl_test_lib:close(Client),
ssl_test_lib:close(Client1).
+%%--------------------------------------------------------------------
+renegotiate_dos_mitigate(doc) ->
+ ["Mitigate DOS computational attack by not allowing client to renegotiate many times in a row",
+ "immediately after each other"];
+
+renegotiate_dos_mitigate(suite) ->
+ [];
+
+renegotiate_dos_mitigate(Config) when is_list(Config) ->
+ ServerOpts = ?config(server_opts, Config),
+ ClientOpts = ?config(client_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, send_recv_result_active, []}},
+ {options, [ServerOpts]}]),
+ Port = ssl_test_lib:inet_port(Server),
+
+ Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE,
+ renegotiate_immediately, []}},
+ {options, ClientOpts}]),
+
+ ssl_test_lib:check_result(Client, ok, Server, ok),
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client).
+
+tcp_error_propagation_in_active_mode(doc) ->
+ ["Test that process recives {ssl_error, Socket, closed} when tcp error ocurres"];
+tcp_error_propagation_in_active_mode(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, {ssl_test_lib, no_result, []}},
+ {options, ServerOpts}]),
+ Port = ssl_test_lib:inet_port(Server),
+ {Client, #sslsocket{pid=Pid} = SslSocket} = ssl_test_lib:start_client([return_socket,
+ {node, ClientNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE, receive_msg, []}},
+ {options, ClientOpts}]),
+
+ {status, _, _, StatusInfo} = sys:get_status(Pid),
+ [_, _,_, _, Prop] = StatusInfo,
+ State = ssl_test_lib:state(Prop),
+ Socket = element(10, State),
+
+ %% Fake tcp error
+ Pid ! {tcp_error, Socket, etimedout},
+ ssl_test_lib:check_result(Client, {ssl_closed, SslSocket}).
+
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
@@ -3698,6 +3761,19 @@ renegotiate_reuse_session(Socket, Data) ->
test_server:sleep(?SLEEP),
renegotiate(Socket, Data).
+renegotiate_immediately(Socket) ->
+ receive
+ {ssl, Socket, "Hello world"} ->
+ ok
+ end,
+ ok = ssl:renegotiate(Socket),
+ {error, renegotiation_rejected} = ssl:renegotiate(Socket),
+ test_server:sleep(?RENEGOTIATION_DISABLE_TIME +1),
+ ok = ssl:renegotiate(Socket),
+ test_server:format("Renegotiated again"),
+ ssl:send(Socket, "Hello world"),
+ ok.
+
new_config(PrivDir, ServerOpts0) ->
CaCertFile = proplists:get_value(cacertfile, ServerOpts0),
CertFile = proplists:get_value(certfile, ServerOpts0),
@@ -3876,3 +3952,9 @@ erlang_ssl_receive(Socket, Data) ->
after ?SLEEP * 3 ->
test_server:fail({did_not_get, Data})
end.
+
+receive_msg(_) ->
+ receive
+ Msg ->
+ Msg
+ end.
diff --git a/lib/ssl/test/ssl_session_cache_SUITE.erl b/lib/ssl/test/ssl_session_cache_SUITE.erl
index 5ea45018e6..46cebf439b 100644
--- a/lib/ssl/test/ssl_session_cache_SUITE.erl
+++ b/lib/ssl/test/ssl_session_cache_SUITE.erl
@@ -210,7 +210,7 @@ session_cleanup(Config)when is_list(Config) ->
{status, _, _, StatusInfo} = sys:get_status(whereis(ssl_manager)),
[_, _,_, _, Prop] = StatusInfo,
- State = state(Prop),
+ State = ssl_test_lib:state(Prop),
Cache = element(2, State),
SessionTimer = element(6, State),
@@ -238,11 +238,6 @@ session_cleanup(Config)when is_list(Config) ->
ssl_test_lib:close(Server),
ssl_test_lib:close(Client).
-state([{data,[{"State", State}]} | _]) ->
- State;
-state([_ | Rest]) ->
- state(Rest).
-
check_timer(Timer) ->
case erlang:read_timer(Timer) of
false ->
@@ -256,7 +251,7 @@ check_timer(Timer) ->
get_delay_timer() ->
{status, _, _, StatusInfo} = sys:get_status(whereis(ssl_manager)),
[_, _,_, _, Prop] = StatusInfo,
- State = state(Prop),
+ State = ssl_test_lib:state(Prop),
case element(7, State) of
undefined ->
test_server:sleep(?SLEEP),
diff --git a/lib/ssl/test/ssl_test_lib.erl b/lib/ssl/test/ssl_test_lib.erl
index b7916b96eb..2d46453285 100644
--- a/lib/ssl/test/ssl_test_lib.erl
+++ b/lib/ssl/test/ssl_test_lib.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2008-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2008-2012. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -673,3 +673,24 @@ cipher_result(Socket, Result) ->
session_info_result(Socket) ->
ssl:session_info(Socket).
+
+
+receive_rizzo_duong_beast() ->
+ receive
+ {ssl, _, "ello\n"} ->
+ receive
+ {ssl, _, " "} ->
+ receive
+ {ssl, _, "world\n"} ->
+ ok
+ end
+ end
+ end.
+
+state([{data,[{"State", State}]} | _]) ->
+ State;
+state([{data,[{"StateData", State}]} | _]) ->
+ State;
+state([_ | Rest]) ->
+ state(Rest).
+
diff --git a/lib/ssl/vsn.mk b/lib/ssl/vsn.mk
index 8286201df4..527c4f379a 100644
--- a/lib/ssl/vsn.mk
+++ b/lib/ssl/vsn.mk
@@ -1 +1 @@
-SSL_VSN = 4.1.6
+SSL_VSN = 4.1.6.1
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 04:05:01 +0000