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-rw-r--r--lib/ssl/src/dtls_connection.erl2
-rw-r--r--lib/ssl/src/inet_tls_dist.erl2
-rw-r--r--lib/ssl/src/ssl.appup.src12
-rw-r--r--lib/ssl/src/ssl.erl41
-rw-r--r--lib/ssl/src/ssl_connection.erl99
-rw-r--r--lib/ssl/src/ssl_dist_sup.erl2
-rw-r--r--lib/ssl/src/ssl_internal.hrl3
-rw-r--r--lib/ssl/src/ssl_manager.erl186
-rw-r--r--lib/ssl/src/ssl_session.erl15
-rw-r--r--lib/ssl/src/ssl_session_cache.erl10
-rw-r--r--lib/ssl/src/ssl_session_cache_api.erl1
-rw-r--r--lib/ssl/src/ssl_tls_dist_proxy.erl86
-rw-r--r--lib/ssl/src/ssl_v3.erl1
-rw-r--r--lib/ssl/src/tls_connection.erl58
-rw-r--r--lib/ssl/src/tls_record.erl62
15 files changed, 411 insertions, 169 deletions
diff --git a/lib/ssl/src/dtls_connection.erl b/lib/ssl/src/dtls_connection.erl
index 78662e0ea2..153d3fef48 100644
--- a/lib/ssl/src/dtls_connection.erl
+++ b/lib/ssl/src/dtls_connection.erl
@@ -145,7 +145,7 @@ init([Role, Host, Port, Socket, {SSLOpts0, _} = Options, User, CbInfo]) ->
process_flag(trap_exit, true),
State0 = initial_state(Role, Host, Port, Socket, Options, User, CbInfo),
Handshake = ssl_handshake:init_handshake_history(),
- TimeStamp = calendar:datetime_to_gregorian_seconds({date(), time()}),
+ TimeStamp = erlang:monotonic_time(),
try ssl_config:init(SSLOpts0, Role) of
{ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, CRLDbInfo, OwnCert, Key, DHParams} ->
Session = State0#state.session,
diff --git a/lib/ssl/src/inet_tls_dist.erl b/lib/ssl/src/inet_tls_dist.erl
index b6e62a18c9..404ae93d20 100644
--- a/lib/ssl/src/inet_tls_dist.erl
+++ b/lib/ssl/src/inet_tls_dist.erl
@@ -30,7 +30,7 @@
childspecs() ->
{ok, [{ssl_dist_sup,{ssl_dist_sup, start_link, []},
- permanent, 2000, worker, [ssl_dist_sup]}]}.
+ permanent, infinity, supervisor, [ssl_dist_sup]}]}.
select(Node) ->
case split_node(atom_to_list(Node), $@, []) of
diff --git a/lib/ssl/src/ssl.appup.src b/lib/ssl/src/ssl.appup.src
index 1476336039..8d5bd6f8d8 100644
--- a/lib/ssl/src/ssl.appup.src
+++ b/lib/ssl/src/ssl.appup.src
@@ -1,12 +1,24 @@
%% -*- erlang -*-
{"%VSN%",
[
+ {<<"7\\.0">>, [{load_module, ssl, soft_purge, soft_purge, []},
+ {load_module, ssl_connection, soft_purge, soft_purge, []},
+ {load_module, tls_connection, soft_purge, soft_purge, []},
+ {load_module, ssl_session, soft_purge, soft_purge, []},
+ {load_module, ssl_session_cache, soft_purge, soft_purge, []}
+ ]},
{<<"6\\..*">>, [{restart_application, ssl}]},
{<<"5\\..*">>, [{restart_application, ssl}]},
{<<"4\\..*">>, [{restart_application, ssl}]},
{<<"3\\..*">>, [{restart_application, ssl}]}
],
[
+ {<<"7\\.0">>, [{load_module, ssl, soft_purge, soft_purge, []},
+ {load_module, ssl_connection, soft_purge, soft_purge, []},
+ {load_module, tls_connection, soft_purge, soft_purge, []},
+ {load_module, ssl_session, soft_purge, soft_purge, []},
+ {load_module, ssl_session_cache, soft_purge, soft_purge, []}
+ ]},
{<<"6\\..*">>, [{restart_application, ssl}]},
{<<"5\\..*">>, [{restart_application, ssl}]},
{<<"4\\..*">>, [{restart_application, ssl}]},
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 19b091df59..6551308935 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)->
@@ -804,6 +824,7 @@ validate_option(key, {KeyType, Value}) when is_binary(Value),
KeyType == dsa; %% Backwards compatibility
KeyType == 'RSAPrivateKey';
KeyType == 'DSAPrivateKey';
+ KeyType == 'ECPrivateKey';
KeyType == 'PrivateKeyInfo' ->
{KeyType, Value};
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 5b754c16bc..241871dc38 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}]}];
@@ -968,7 +974,7 @@ ssl_config(Opts, Role, State) ->
{ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, CRLDbInfo, OwnCert, Key, DHParams} =
ssl_config:init(Opts, Role),
Handshake = ssl_handshake:init_handshake_history(),
- TimeStamp = calendar:datetime_to_gregorian_seconds({date(), time()}),
+ TimeStamp = erlang:monotonic_time(),
Session = State#state.session,
State#state{tls_handshake_history = Handshake,
session = Session#session{own_certificate = OwnCert,
@@ -1758,37 +1764,24 @@ 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
ok;
handle_trusted_certs_db(#state{cert_db_ref = Ref,
cert_db = CertDb,
- ssl_options = #ssl_options{cacertfile = <<>>}}) ->
+ ssl_options = #ssl_options{cacertfile = <<>>}}) when CertDb =/= undefined ->
%% Certs provided as DER directly can not be shared
%% with other connections and it is safe to delete them when the connection ends.
ssl_pkix_db:remove_trusted_certs(Ref, CertDb);
diff --git a/lib/ssl/src/ssl_dist_sup.erl b/lib/ssl/src/ssl_dist_sup.erl
index aa1fa57db8..435ad27a44 100644
--- a/lib/ssl/src/ssl_dist_sup.erl
+++ b/lib/ssl/src/ssl_dist_sup.erl
@@ -70,7 +70,7 @@ connection_manager_child_spec() ->
Name = ssl_connection_dist,
StartFunc = {tls_connection_sup, start_link_dist, []},
Restart = permanent,
- Shutdown = 4000,
+ Shutdown = infinity,
Modules = [tls_connection_sup],
Type = supervisor,
{Name, StartFunc, Restart, Shutdown, Type, Modules}.
diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl
index 3851b2bc6e..8c7ed9c0d1 100644
--- a/lib/ssl/src/ssl_internal.hrl
+++ b/lib/ssl/src/ssl_internal.hrl
@@ -78,6 +78,9 @@
-define(ALL_DATAGRAM_SUPPORTED_VERSIONS, ['dtlsv1.2', dtlsv1]).
-define(MIN_DATAGRAM_SUPPORTED_VERSIONS, ['dtlsv1.2', dtlsv1]).
+-define('24H_in_msec', 86400000).
+-define('24H_in_sec', 86400).
+
-record(ssl_options, {
protocol :: tls | dtls,
versions :: [ssl_record:ssl_version()], %% ssl_record:atom_version() in API
diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl
index 2e05ba5aa5..00e95f5c5b 100644
--- a/lib/ssl/src/ssl_manager.erl
+++ b/lib/ssl/src/ssl_manager.erl
@@ -46,25 +46,27 @@
-include_lib("kernel/include/file.hrl").
-record(state, {
- session_cache_client,
- session_cache_server,
- session_cache_cb,
- session_lifetime,
- certificate_db,
- session_validation_timer,
+ session_cache_client :: db_handle(),
+ session_cache_server :: db_handle(),
+ session_cache_cb :: atom(),
+ session_lifetime :: integer(),
+ certificate_db :: db_handle(),
+ session_validation_timer :: reference(),
last_delay_timer = {undefined, undefined},%% Keep for testing purposes
- last_pem_check,
- clear_pem_cache
+ last_pem_check :: erlang:timestamp(),
+ clear_pem_cache :: integer(),
+ session_cache_client_max :: integer(),
+ session_cache_server_max :: integer(),
+ session_server_invalidator :: undefined | pid(),
+ session_client_invalidator :: undefined | pid()
}).
--define('24H_in_msec', 86400000).
--define('24H_in_sec', 86400).
-define(GEN_UNIQUE_ID_MAX_TRIES, 10).
-define(SESSION_VALIDATION_INTERVAL, 60000).
-define(CLEAR_PEM_CACHE, 120000).
-define(CLEAN_SESSION_DB, 60000).
-define(CLEAN_CERT_DB, 500).
--define(NOT_TO_BIG, 10).
+-define(DEFAULT_MAX_SESSION_CACHE, 1000).
%%====================================================================
%% API
@@ -89,7 +91,8 @@ manager_name(dist) ->
%%--------------------------------------------------------------------
start_link(Opts) ->
DistMangerName = manager_name(normal),
- gen_server:start_link({local, DistMangerName}, ?MODULE, [DistMangerName, Opts], []).
+ gen_server:start_link({local, DistMangerName},
+ ?MODULE, [DistMangerName, Opts], []).
%%--------------------------------------------------------------------
-spec start_link_dist(list()) -> {ok, pid()} | ignore | {error, term()}.
@@ -99,7 +102,8 @@ start_link(Opts) ->
%%--------------------------------------------------------------------
start_link_dist(Opts) ->
DistMangerName = manager_name(dist),
- gen_server:start_link({local, DistMangerName}, ?MODULE, [DistMangerName, Opts], []).
+ gen_server:start_link({local, DistMangerName},
+ ?MODULE, [DistMangerName, Opts], []).
%%--------------------------------------------------------------------
-spec connection_init(binary()| {der, list()}, client | server,
@@ -169,7 +173,8 @@ new_session_id(Port) ->
%% be called by ssl-connection processes.
%%--------------------------------------------------------------------
clean_cert_db(Ref, File) ->
- erlang:send_after(?CLEAN_CERT_DB, get(ssl_manager), {clean_cert_db, Ref, File}),
+ erlang:send_after(?CLEAN_CERT_DB, get(ssl_manager),
+ {clean_cert_db, Ref, File}),
ok.
%%--------------------------------------------------------------------
@@ -237,10 +242,12 @@ init([Name, Opts]) ->
SessionLifeTime =
proplists:get_value(session_lifetime, Opts, ?'24H_in_sec'),
CertDb = ssl_pkix_db:create(),
- ClientSessionCache = CacheCb:init([{role, client} |
- proplists:get_value(session_cb_init_args, Opts, [])]),
- ServerSessionCache = CacheCb:init([{role, server} |
- proplists:get_value(session_cb_init_args, Opts, [])]),
+ ClientSessionCache =
+ CacheCb:init([{role, client} |
+ proplists:get_value(session_cb_init_args, Opts, [])]),
+ ServerSessionCache =
+ CacheCb:init([{role, server} |
+ proplists:get_value(session_cb_init_args, Opts, [])]),
Timer = erlang:send_after(SessionLifeTime * 1000 + 5000,
self(), validate_sessions),
Interval = pem_check_interval(),
@@ -252,7 +259,11 @@ init([Name, Opts]) ->
session_lifetime = SessionLifeTime,
session_validation_timer = Timer,
last_pem_check = os:timestamp(),
- clear_pem_cache = Interval
+ clear_pem_cache = Interval,
+ session_cache_client_max =
+ max_session_cache_size(session_cache_client_max),
+ session_cache_server_max =
+ max_session_cache_size(session_cache_server_max)
}}.
%%--------------------------------------------------------------------
@@ -269,7 +280,8 @@ init([Name, Opts]) ->
handle_call({{connection_init, <<>>, Role, {CRLCb, UserCRLDb}}, _Pid}, _From,
#state{certificate_db = [CertDb, FileRefDb, PemChace | _] = Db} = State) ->
Ref = make_ref(),
- Result = {ok, Ref, CertDb, FileRefDb, PemChace, session_cache(Role, State), {CRLCb, crl_db_info(Db, UserCRLDb)}},
+ Result = {ok, Ref, CertDb, FileRefDb, PemChace,
+ session_cache(Role, State), {CRLCb, crl_db_info(Db, UserCRLDb)}},
{reply, Result, State#state{certificate_db = Db}};
handle_call({{connection_init, Trustedcerts, Role, {CRLCb, UserCRLDb}}, Pid}, _From,
@@ -307,7 +319,8 @@ handle_call({{cache_pem,File}, _Pid}, _,
_:Reason ->
{reply, {error, Reason}, State}
end;
-handle_call({unconditionally_clear_pem_cache, _},_, #state{certificate_db = [_,_,PemChace | _]} = State) ->
+handle_call({unconditionally_clear_pem_cache, _},_,
+ #state{certificate_db = [_,_,PemChace | _]} = State) ->
ssl_pkix_db:clear(PemChace),
{reply, ok, State}.
@@ -319,27 +332,12 @@ handle_call({unconditionally_clear_pem_cache, _},_, #state{certificate_db = [_,_
%%
%% Description: Handling cast messages
%%--------------------------------------------------------------------
-handle_cast({register_session, Host, Port, Session},
- #state{session_cache_client = Cache,
- session_cache_cb = CacheCb} = State) ->
- TimeStamp = calendar:datetime_to_gregorian_seconds({date(), time()}),
- NewSession = Session#session{time_stamp = TimeStamp},
-
- case CacheCb:select_session(Cache, {Host, Port}) of
- no_session ->
- CacheCb:update(Cache, {{Host, Port},
- NewSession#session.session_id}, NewSession);
- Sessions ->
- register_unique_session(Sessions, NewSession, CacheCb, Cache, {Host, Port})
- end,
+handle_cast({register_session, Host, Port, Session}, State0) ->
+ State = ssl_client_register_session(Host, Port, Session, State0),
{noreply, State};
-handle_cast({register_session, Port, Session},
- #state{session_cache_server = Cache,
- session_cache_cb = CacheCb} = State) ->
- TimeStamp = calendar:datetime_to_gregorian_seconds({date(), time()}),
- NewSession = Session#session{time_stamp = TimeStamp},
- CacheCb:update(Cache, {Port, NewSession#session.session_id}, NewSession),
+handle_cast({register_session, Port, Session}, State0) ->
+ State = server_register_session(Port, Session, State0),
{noreply, State};
handle_cast({invalidate_session, Host, Port,
@@ -413,10 +411,10 @@ handle_info({clean_cert_db, Ref, File},
end,
{noreply, State};
-handle_info({'EXIT', _, _}, State) ->
- %% Session validator died!! Do we need to take any action?
- %% maybe error log
- {noreply, State};
+handle_info({'EXIT', Pid, _}, #state{session_client_invalidator = Pid} = State) ->
+ {noreply, State#state{session_client_invalidator = undefined}};
+handle_info({'EXIT', Pid, _}, #state{session_server_invalidator = Pid} = State) ->
+ {noreply, State#state{session_server_invalidator = undefined}};
handle_info(_Info, State) ->
{noreply, State}.
@@ -497,7 +495,15 @@ delay_time() ->
?CLEAN_SESSION_DB
end.
-invalidate_session(Cache, CacheCb, Key, Session, #state{last_delay_timer = LastTimer} = State) ->
+max_session_cache_size(CacheType) ->
+ case application:get_env(ssl, CacheType) of
+ {ok, Size} when is_integer(Size) ->
+ Size;
+ _ ->
+ ?DEFAULT_MAX_SESSION_CACHE
+ end.
+
+invalidate_session(Cache, CacheCb, Key, Session, State) ->
case CacheCb:lookup(Cache, Key) of
undefined -> %% Session is already invalidated
{noreply, State};
@@ -505,15 +511,23 @@ invalidate_session(Cache, CacheCb, Key, Session, #state{last_delay_timer = LastT
CacheCb:delete(Cache, Key),
{noreply, State};
_ ->
- %% When a registered session is invalidated we need to wait a while before deleting
- %% it as there might be pending connections that rightfully needs to look
- %% up the session data but new connections should not get to use this session.
- CacheCb:update(Cache, Key, Session#session{is_resumable = false}),
- TRef =
- erlang:send_after(delay_time(), self(), {delayed_clean_session, Key, Cache}),
- {noreply, State#state{last_delay_timer = last_delay_timer(Key, TRef, LastTimer)}}
+ delayed_invalidate_session(CacheCb, Cache, Key, Session, State)
end.
+delayed_invalidate_session(CacheCb, Cache, Key, Session,
+ #state{last_delay_timer = LastTimer} = State) ->
+ %% When a registered session is invalidated we need to
+ %% wait a while before deleting it as there might be
+ %% pending connections that rightfully needs to look up
+ %% the session data but new connections should not get to
+ %% use this session.
+ CacheCb:update(Cache, Key, Session#session{is_resumable = false}),
+ TRef =
+ erlang:send_after(delay_time(), self(),
+ {delayed_clean_session, Key, Cache}),
+ {noreply, State#state{last_delay_timer =
+ last_delay_timer(Key, TRef, LastTimer)}}.
+
last_delay_timer({{_,_},_}, TRef, {LastServer, _}) ->
{LastServer, TRef};
last_delay_timer({_,_}, TRef, {_, LastClient}) ->
@@ -532,12 +546,12 @@ new_id(Port, Tries, Cache, CacheCb) ->
Id = crypto:rand_bytes(?NUM_OF_SESSION_ID_BYTES),
case CacheCb:lookup(Cache, {Port, Id}) of
undefined ->
- Now = calendar:datetime_to_gregorian_seconds({date(), time()}),
+ Now = erlang:monotonic_time(),
%% New sessions can not be set to resumable
%% until handshake is compleate and the
%% other session values are set.
CacheCb:update(Cache, {Port, Id}, #session{session_id = Id,
- is_resumable = false,
+ is_resumable = new,
time_stamp = Now}),
Id;
_ ->
@@ -559,15 +573,62 @@ clean_cert_db(Ref, CertDb, RefDb, PemCache, File) ->
ok
end.
+ssl_client_register_session(Host, Port, Session, #state{session_cache_client = Cache,
+ session_cache_cb = CacheCb,
+ session_cache_client_max = Max,
+ session_client_invalidator = Pid0} = State) ->
+ TimeStamp = erlang:monotonic_time(),
+ NewSession = Session#session{time_stamp = TimeStamp},
+
+ case CacheCb:select_session(Cache, {Host, Port}) of
+ no_session ->
+ Pid = do_register_session({{Host, Port},
+ NewSession#session.session_id},
+ NewSession, Max, Pid0, Cache, CacheCb),
+ State#state{session_client_invalidator = Pid};
+ Sessions ->
+ register_unique_session(Sessions, NewSession, {Host, Port}, State)
+ end.
+
+server_register_session(Port, Session, #state{session_cache_server_max = Max,
+ session_cache_server = Cache,
+ session_cache_cb = CacheCb,
+ session_server_invalidator = Pid0} = State) ->
+ TimeStamp = erlang:monotonic_time(),
+ NewSession = Session#session{time_stamp = TimeStamp},
+ Pid = do_register_session({Port, NewSession#session.session_id},
+ NewSession, Max, Pid0, Cache, CacheCb),
+ State#state{session_server_invalidator = Pid}.
+
+do_register_session(Key, Session, Max, Pid, Cache, CacheCb) ->
+ try CacheCb:size(Cache) of
+ N when N > Max ->
+ invalidate_session_cache(Pid, CacheCb, Cache);
+ _ ->
+ CacheCb:update(Cache, Key, Session),
+ Pid
+ catch
+ error:undef ->
+ CacheCb:update(Cache, Key, Session),
+ Pid
+ end.
+
+
%% Do not let dumb clients create a gigantic session table
%% for itself creating big delays at connection time.
-register_unique_session(Sessions, Session, CacheCb, Cache, PartialKey) ->
+register_unique_session(Sessions, Session, PartialKey,
+ #state{session_cache_client_max = Max,
+ session_cache_client = Cache,
+ session_cache_cb = CacheCb,
+ session_client_invalidator = Pid0} = State) ->
case exists_equivalent(Session , Sessions) of
true ->
- ok;
+ State;
false ->
- CacheCb:update(Cache, {PartialKey,
- Session#session.session_id}, Session)
+ Pid = do_register_session({PartialKey,
+ Session#session.session_id},
+ Session, Max, Pid0, Cache, CacheCb),
+ State#state{session_client_invalidator = Pid}
end.
exists_equivalent(_, []) ->
@@ -622,7 +683,8 @@ pem_check_interval() ->
end.
is_before_checkpoint(Time, CheckPoint) ->
- calendar:datetime_to_gregorian_seconds(calendar:now_to_datetime(CheckPoint)) -
+ calendar:datetime_to_gregorian_seconds(
+ calendar:now_to_datetime(CheckPoint)) -
calendar:datetime_to_gregorian_seconds(Time) > 0.
add_trusted_certs(Pid, Trustedcerts, Db) ->
@@ -643,3 +705,9 @@ crl_db_info([_,_,_,Local], {internal, Info}) ->
crl_db_info(_, UserCRLDb) ->
UserCRLDb.
+%% Only start a session invalidator if there is not
+%% one already active
+invalidate_session_cache(undefined, CacheCb, Cache) ->
+ start_session_validator(Cache, CacheCb, {invalidate_before, erlang:monotonic_time()});
+invalidate_session_cache(Pid, _CacheCb, _Cache) ->
+ Pid.
diff --git a/lib/ssl/src/ssl_session.erl b/lib/ssl/src/ssl_session.erl
index 1770faf1ff..2b24bff5ff 100644
--- a/lib/ssl/src/ssl_session.erl
+++ b/lib/ssl/src/ssl_session.erl
@@ -31,8 +31,6 @@
%% Internal application API
-export([is_new/2, client_id/4, server_id/6, valid_session/2]).
--define('24H_in_sec', 8640).
-
-type seconds() :: integer().
%%--------------------------------------------------------------------
@@ -63,13 +61,16 @@ client_id(ClientInfo, Cache, CacheCb, OwnCert) ->
SessionId
end.
--spec valid_session(#session{}, seconds()) -> boolean().
+-spec valid_session(#session{}, seconds() | {invalidate_before, integer()}) -> boolean().
%%
%% Description: Check that the session has not expired
%%--------------------------------------------------------------------
+valid_session(#session{time_stamp = TimeStamp}, {invalidate_before, Before}) ->
+ TimeStamp > Before;
valid_session(#session{time_stamp = TimeStamp}, LifeTime) ->
- Now = calendar:datetime_to_gregorian_seconds({date(), time()}),
- Now - TimeStamp < LifeTime.
+ Now = erlang:monotonic_time(),
+ Lived = erlang:convert_time_unit(Now-TimeStamp, native, seconds),
+ Lived < LifeTime.
server_id(Port, <<>>, _SslOpts, _Cert, _, _) ->
{ssl_manager:new_session_id(Port), undefined};
@@ -100,14 +101,14 @@ select_session([], _, _) ->
no_session;
select_session(Sessions, #ssl_options{ciphers = Ciphers}, OwnCert) ->
IsNotResumable =
- fun([_Id, Session]) ->
+ fun(Session) ->
not (resumable(Session#session.is_resumable) andalso
lists:member(Session#session.cipher_suite, Ciphers)
andalso (OwnCert == Session#session.own_certificate))
end,
case lists:dropwhile(IsNotResumable, Sessions) of
[] -> no_session;
- [[Id, _]|_] -> Id
+ [Session | _] -> Session#session.session_id
end.
is_resumable(_, _, #ssl_options{reuse_sessions = false}, _, _, _, _) ->
diff --git a/lib/ssl/src/ssl_session_cache.erl b/lib/ssl/src/ssl_session_cache.erl
index 11ed310477..9585e613e6 100644
--- a/lib/ssl/src/ssl_session_cache.erl
+++ b/lib/ssl/src/ssl_session_cache.erl
@@ -27,7 +27,7 @@
-include("ssl_internal.hrl").
-export([init/1, terminate/1, lookup/2, update/3, delete/2, foldl/3,
- select_session/2]).
+ select_session/2, size/1]).
%%--------------------------------------------------------------------
%% Description: Return table reference. Called by ssl_manager process.
@@ -83,7 +83,13 @@ foldl(Fun, Acc0, Cache) ->
%%--------------------------------------------------------------------
select_session(Cache, PartialKey) ->
ets:select(Cache,
- [{{{PartialKey,'$1'}, '$2'},[],['$$']}]).
+ [{{{PartialKey,'_'}, '$1'},[],['$1']}]).
+
+%%--------------------------------------------------------------------
+%% Description: Returns the cache size
+%%--------------------------------------------------------------------
+size(Cache) ->
+ ets:info(Cache, size).
%%--------------------------------------------------------------------
%%% Internal functions
diff --git a/lib/ssl/src/ssl_session_cache_api.erl b/lib/ssl/src/ssl_session_cache_api.erl
index 536b52c44b..8f62c25be5 100644
--- a/lib/ssl/src/ssl_session_cache_api.erl
+++ b/lib/ssl/src/ssl_session_cache_api.erl
@@ -33,3 +33,4 @@
-callback delete(db_handle(), key()) -> any().
-callback foldl(fun(), term(), db_handle()) -> term().
-callback select_session(db_handle(), {host(), inet:port_number()} | inet:port_number()) -> [#session{}].
+-callback size(db_handle()) -> integer().
diff --git a/lib/ssl/src/ssl_tls_dist_proxy.erl b/lib/ssl/src/ssl_tls_dist_proxy.erl
index 273d3b5521..d384264b53 100644
--- a/lib/ssl/src/ssl_tls_dist_proxy.erl
+++ b/lib/ssl/src/ssl_tls_dist_proxy.erl
@@ -48,6 +48,47 @@ accept(Listen) ->
connect(Ip, Port) ->
gen_server:call(?MODULE, {connect, Ip, Port}, infinity).
+
+do_listen(Options) ->
+ {First,Last} = case application:get_env(kernel,inet_dist_listen_min) of
+ {ok,N} when is_integer(N) ->
+ case application:get_env(kernel,
+ inet_dist_listen_max) of
+ {ok,M} when is_integer(M) ->
+ {N,M};
+ _ ->
+ {N,N}
+ end;
+ _ ->
+ {0,0}
+ end,
+ do_listen(First, Last, listen_options([{backlog,128}|Options])).
+
+do_listen(First,Last,_) when First > Last ->
+ {error,eaddrinuse};
+do_listen(First,Last,Options) ->
+ case gen_tcp:listen(First, Options) of
+ {error, eaddrinuse} ->
+ do_listen(First+1,Last,Options);
+ Other ->
+ Other
+ end.
+
+listen_options(Opts0) ->
+ Opts1 =
+ case application:get_env(kernel, inet_dist_use_interface) of
+ {ok, Ip} ->
+ [{ip, Ip} | Opts0];
+ _ ->
+ Opts0
+ end,
+ case application:get_env(kernel, inet_dist_listen_options) of
+ {ok,ListenOpts} ->
+ ListenOpts ++ Opts1;
+ _ ->
+ Opts1
+ end.
+
%%====================================================================
%% gen_server callbacks
%%====================================================================
@@ -62,13 +103,17 @@ init([]) ->
handle_call({listen, Name}, _From, State) ->
case gen_tcp:listen(0, [{active, false}, {packet,?PPRE}]) of
{ok, Socket} ->
- {ok, World} = gen_tcp:listen(0, [{active, false}, binary, {packet,?PPRE}]),
+ {ok, World} = do_listen([{active, false}, binary, {packet,?PPRE}, {reuseaddr, true}]),
{ok, TcpAddress} = get_tcp_address(Socket),
{ok, WorldTcpAddress} = get_tcp_address(World),
{_,Port} = WorldTcpAddress#net_address.address,
- {ok, Creation} = erl_epmd:register_node(Name, Port),
- {reply, {ok, {Socket, TcpAddress, Creation}},
- State#state{listen={Socket, World}}};
+ case erl_epmd:register_node(Name, Port) of
+ {ok, Creation} ->
+ {reply, {ok, {Socket, TcpAddress, Creation}},
+ State#state{listen={Socket, World}}};
+ {error, _} = Error ->
+ {reply, Error, State}
+ end;
Error ->
{reply, Error, State}
end;
@@ -134,6 +179,7 @@ accept_loop(Proxy, erts = Type, Listen, Extra) ->
Extra ! {accept,self(),Socket,inet,proxy},
receive
{_Kernel, controller, Pid} ->
+ inet:setopts(Socket, [nodelay()]),
ok = gen_tcp:controlling_process(Socket, Pid),
flush_old_controller(Pid, Socket),
Pid ! {self(), controller};
@@ -167,7 +213,7 @@ accept_loop(Proxy, world = Type, Listen, Extra) ->
accept_loop(Proxy, Type, Listen, Extra).
try_connect(Port) ->
- case gen_tcp:connect({127,0,0,1}, Port, [{active, false}, {packet,?PPRE}]) of
+ case gen_tcp:connect({127,0,0,1}, Port, [{active, false}, {packet,?PPRE}, nodelay()]) of
R = {ok, _S} ->
R;
{error, _R} ->
@@ -177,7 +223,7 @@ try_connect(Port) ->
setup_proxy(Ip, Port, Parent) ->
process_flag(trap_exit, true),
Opts = get_ssl_options(client),
- case ssl:connect(Ip, Port, [{active, true}, binary, {packet,?PPRE}] ++ Opts) of
+ case ssl:connect(Ip, Port, [{active, true}, binary, {packet,?PPRE}, nodelay()] ++ Opts) of
{ok, World} ->
{ok, ErtsL} = gen_tcp:listen(0, [{active, true}, {ip, {127,0,0,1}}, binary, {packet,?PPRE}]),
{ok, #net_address{address={_,LPort}}} = get_tcp_address(ErtsL),
@@ -193,25 +239,41 @@ setup_proxy(Ip, Port, Parent) ->
Parent ! {self(), Err}
end.
+
+%% we may not always want the nodelay behaviour
+%% %% for performance reasons
+
+nodelay() ->
+ case application:get_env(kernel, dist_nodelay) of
+ undefined ->
+ {nodelay, true};
+ {ok, true} ->
+ {nodelay, true};
+ {ok, false} ->
+ {nodelay, false};
+ _ ->
+ {nodelay, true}
+ end.
+
setup_connection(World, ErtsListen) ->
process_flag(trap_exit, true),
{ok, TcpAddress} = get_tcp_address(ErtsListen),
{_Addr,Port} = TcpAddress#net_address.address,
- {ok, Erts} = gen_tcp:connect({127,0,0,1}, Port, [{active, true}, binary, {packet,?PPRE}]),
- ssl:setopts(World, [{active,true}, {packet,?PPRE}]),
+ {ok, Erts} = gen_tcp:connect({127,0,0,1}, Port, [{active, true}, binary, {packet,?PPRE}, nodelay()]),
+ ssl:setopts(World, [{active,true}, {packet,?PPRE}, nodelay()]),
loop_conn_setup(World, Erts).
loop_conn_setup(World, Erts) ->
receive
{ssl, World, Data = <<$a, _/binary>>} ->
gen_tcp:send(Erts, Data),
- ssl:setopts(World, [{packet,?PPOST}]),
- inet:setopts(Erts, [{packet,?PPOST}]),
+ ssl:setopts(World, [{packet,?PPOST}, nodelay()]),
+ inet:setopts(Erts, [{packet,?PPOST}, nodelay()]),
loop_conn(World, Erts);
{tcp, Erts, Data = <<$a, _/binary>>} ->
ssl:send(World, Data),
- ssl:setopts(World, [{packet,?PPOST}]),
- inet:setopts(Erts, [{packet,?PPOST}]),
+ ssl:setopts(World, [{packet,?PPOST}, nodelay()]),
+ inet:setopts(Erts, [{packet,?PPOST}, nodelay()]),
loop_conn(World, Erts);
{ssl, World, Data = <<_, _/binary>>} ->
gen_tcp:send(Erts, Data),
diff --git a/lib/ssl/src/ssl_v3.erl b/lib/ssl/src/ssl_v3.erl
index 5e043624a7..f169059a75 100644
--- a/lib/ssl/src/ssl_v3.erl
+++ b/lib/ssl/src/ssl_v3.erl
@@ -144,6 +144,7 @@ suites() ->
?TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
?TLS_DHE_DSS_WITH_AES_128_CBC_SHA,
?TLS_RSA_WITH_AES_128_CBC_SHA,
+ ?TLS_DHE_RSA_WITH_DES_CBC_SHA,
?TLS_RSA_WITH_DES_CBC_SHA
].
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index 7fda2377ee..a468c131ce 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
@@ -168,9 +168,10 @@ hello(start, #state{host = Host, port = Port, role = client,
Cache, CacheCb, Renegotiation, Cert),
Version = Hello#client_hello.client_version,
+ HelloVersion = tls_record:lowest_protocol_version(SslOpts#ssl_options.versions),
Handshake0 = ssl_handshake:init_handshake_history(),
{BinMsg, ConnectionStates, Handshake} =
- encode_handshake(Hello, Version, ConnectionStates0, Handshake0),
+ encode_handshake(Hello, HelloVersion, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
State1 = State0#state{connection_states = ConnectionStates,
negotiated_version = Version, %% Requested version
@@ -924,8 +925,7 @@ 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 +977,57 @@ 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/src/tls_record.erl b/lib/ssl/src/tls_record.erl
index aa524f0225..1e266ed424 100644
--- a/lib/ssl/src/tls_record.erl
+++ b/lib/ssl/src/tls_record.erl
@@ -41,8 +41,9 @@
-export([encode_plain_text/4]).
%% Protocol version handling
--export([protocol_version/1, lowest_protocol_version/2,
- highest_protocol_version/1, is_higher/2, supported_protocol_versions/0,
+-export([protocol_version/1, lowest_protocol_version/1, lowest_protocol_version/2,
+ highest_protocol_version/1, highest_protocol_version/2,
+ is_higher/2, supported_protocol_versions/0,
is_acceptable_version/1, is_acceptable_version/2]).
-export_type([tls_version/0, tls_atom_version/0]).
@@ -257,6 +258,18 @@ lowest_protocol_version(Version = {M,_},
Version;
lowest_protocol_version(_,Version) ->
Version.
+
+%%--------------------------------------------------------------------
+-spec lowest_protocol_version([tls_version()]) -> tls_version().
+%%
+%% Description: Lowest protocol version present in a list
+%%--------------------------------------------------------------------
+lowest_protocol_version([]) ->
+ lowest_protocol_version();
+lowest_protocol_version(Versions) ->
+ [Ver | Vers] = Versions,
+ lowest_list_protocol_version(Ver, Vers).
+
%%--------------------------------------------------------------------
-spec highest_protocol_version([tls_version()]) -> tls_version().
%%
@@ -266,19 +279,29 @@ highest_protocol_version([]) ->
highest_protocol_version();
highest_protocol_version(Versions) ->
[Ver | Vers] = Versions,
- highest_protocol_version(Ver, Vers).
+ highest_list_protocol_version(Ver, Vers).
-highest_protocol_version(Version, []) ->
+%%--------------------------------------------------------------------
+-spec highest_protocol_version(tls_version(), tls_version()) -> tls_version().
+%%
+%% Description: Highest protocol version of two given versions
+%%--------------------------------------------------------------------
+highest_protocol_version(Version = {M, N}, {M, O}) when N > O ->
+ Version;
+highest_protocol_version({M, _},
+ Version = {M, _}) ->
Version;
-highest_protocol_version(Version = {N, M}, [{N, O} | Rest]) when M > O ->
- highest_protocol_version(Version, Rest);
-highest_protocol_version({M, _}, [Version = {M, _} | Rest]) ->
- highest_protocol_version(Version, Rest);
-highest_protocol_version(Version = {M,_}, [{N,_} | Rest]) when M > N ->
- highest_protocol_version(Version, Rest);
-highest_protocol_version(_, [Version | Rest]) ->
- highest_protocol_version(Version, Rest).
+highest_protocol_version(Version = {M,_},
+ {N, _}) when M > N ->
+ Version;
+highest_protocol_version(_,Version) ->
+ Version.
+%%--------------------------------------------------------------------
+-spec is_higher(V1 :: tls_version(), V2::tls_version()) -> tls_version().
+%%
+%% Description: Is V1 > V2
+%%--------------------------------------------------------------------
is_higher({M, N}, {M, O}) when N > O ->
true;
is_higher({M, _}, {N, _}) when M > N ->
@@ -352,6 +375,17 @@ is_acceptable_version(_,_) ->
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
+
+lowest_list_protocol_version(Ver, []) ->
+ Ver;
+lowest_list_protocol_version(Ver1, [Ver2 | Rest]) ->
+ lowest_list_protocol_version(lowest_protocol_version(Ver1, Ver2), Rest).
+
+highest_list_protocol_version(Ver, []) ->
+ Ver;
+highest_list_protocol_version(Ver1, [Ver2 | Rest]) ->
+ highest_list_protocol_version(highest_protocol_version(Ver1, Ver2), Rest).
+
encode_tls_cipher_text(Type, {MajVer, MinVer}, Fragment) ->
Length = erlang:iolist_size(Fragment),
[<<?BYTE(Type), ?BYTE(MajVer), ?BYTE(MinVer), ?UINT16(Length)>>, Fragment].
@@ -370,6 +404,10 @@ mac_hash({3, N} = Version, MacAlg, MacSecret, SeqNo, Type, Length, Fragment)
highest_protocol_version() ->
highest_protocol_version(supported_protocol_versions()).
+lowest_protocol_version() ->
+ lowest_protocol_version(supported_protocol_versions()).
+
+
sufficient_tlsv1_2_crypto_support() ->
CryptoSupport = crypto:supports(),
proplists:get_bool(sha256, proplists:get_value(hashs, CryptoSupport)).
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 21:01:47 +0000