diff options
Diffstat (limited to 'lib/ssl/src')
-rw-r--r-- | lib/ssl/src/dtls_connection.erl | 139 | ||||
-rw-r--r-- | lib/ssl/src/dtls_handshake.erl | 8 | ||||
-rw-r--r-- | lib/ssl/src/dtls_record.erl | 2 | ||||
-rw-r--r-- | lib/ssl/src/dtls_socket.erl | 13 | ||||
-rw-r--r-- | lib/ssl/src/dtls_udp_listener.erl | 62 | ||||
-rw-r--r-- | lib/ssl/src/dtls_v1.erl | 15 | ||||
-rw-r--r-- | lib/ssl/src/ssl.app.src | 2 | ||||
-rw-r--r-- | lib/ssl/src/ssl.appup.src | 18 | ||||
-rw-r--r-- | lib/ssl/src/ssl.erl | 97 | ||||
-rw-r--r-- | lib/ssl/src/ssl_cipher.erl | 22 | ||||
-rw-r--r-- | lib/ssl/src/ssl_config.erl | 48 | ||||
-rw-r--r-- | lib/ssl/src/ssl_connection.erl | 89 | ||||
-rw-r--r-- | lib/ssl/src/ssl_internal.hrl | 2 | ||||
-rw-r--r-- | lib/ssl/src/ssl_manager.erl | 28 | ||||
-rw-r--r-- | lib/ssl/src/ssl_pem_cache.erl | 2 | ||||
-rw-r--r-- | lib/ssl/src/ssl_pkix_db.erl | 17 | ||||
-rw-r--r-- | lib/ssl/src/ssl_record.erl | 4 | ||||
-rw-r--r-- | lib/ssl/src/tls_connection.erl | 15 | ||||
-rw-r--r-- | lib/ssl/src/tls_handshake.erl | 69 | ||||
-rw-r--r-- | lib/ssl/src/tls_v1.erl | 20 |
20 files changed, 430 insertions, 242 deletions
diff --git a/lib/ssl/src/dtls_connection.erl b/lib/ssl/src/dtls_connection.erl index 070a90d481..f607c86ae3 100644 --- a/lib/ssl/src/dtls_connection.erl +++ b/lib/ssl/src/dtls_connection.erl @@ -39,7 +39,7 @@ -export([start_fsm/8, start_link/7, init/1]). %% State transition handling --export([next_record/1, next_event/3]). +-export([next_record/1, next_event/3, next_event/4]). %% Handshake handling -export([renegotiate/2, @@ -53,7 +53,7 @@ %% Data handling -export([encode_data/3, passive_receive/2, next_record_if_active/1, handle_common_event/4, - send/3]). + send/3, socket/5]). %% gen_statem state functions -export([init/3, error/3, downgrade/3, %% Initiation and take down states @@ -77,20 +77,6 @@ start_fsm(Role, Host, Port, Socket, {#ssl_options{erl_dist = false},_, Tracker} catch error:{badmatch, {error, _} = Error} -> Error - end; - -start_fsm(Role, Host, Port, Socket, {#ssl_options{erl_dist = true},_, Tracker} = Opts, - User, {CbModule, _,_, _} = CbInfo, - Timeout) -> - try - {ok, Pid} = dtls_connection_sup:start_child_dist([Role, Host, Port, Socket, - Opts, User, CbInfo]), - {ok, SslSocket} = ssl_connection:socket_control(?MODULE, Socket, Pid, CbModule, Tracker), - ok = ssl_connection:handshake(SslSocket, Timeout), - {ok, SslSocket} - catch - error:{badmatch, {error, _} = Error} -> - Error end. send_handshake(Handshake, #state{connection_states = ConnectionStates} = States) -> @@ -201,6 +187,7 @@ reinit_handshake_data(#state{protocol_buffers = Buffers} = State) -> State#state{premaster_secret = undefined, public_key_info = undefined, tls_handshake_history = ssl_handshake:init_handshake_history(), + flight_state = {retransmit, ?INITIAL_RETRANSMIT_TIMEOUT}, protocol_buffers = Buffers#protocol_buffers{ dtls_handshake_next_seq = 0, @@ -213,6 +200,9 @@ select_sni_extension(#client_hello{extensions = HelloExtensions}) -> select_sni_extension(_) -> undefined. +socket(Pid, Transport, Socket, Connection, _) -> + dtls_socket:socket(Pid, Transport, Socket, Connection). + %%==================================================================== %% tls_connection_sup API %%==================================================================== @@ -243,7 +233,7 @@ callback_mode() -> state_functions. %%-------------------------------------------------------------------- -%% State functionsconnection/2 +%% State functions %%-------------------------------------------------------------------- init({call, From}, {start, Timeout}, @@ -262,17 +252,19 @@ init({call, From}, {start, Timeout}, Version = Hello#client_hello.client_version, HelloVersion = dtls_record:lowest_protocol_version(SslOpts#ssl_options.versions), State1 = prepare_flight(State0#state{negotiated_version = Version}), - State2 = send_handshake(Hello, State1#state{negotiated_version = HelloVersion}), + {State2, Actions} = send_handshake(Hello, State1#state{negotiated_version = HelloVersion}), State3 = State2#state{negotiated_version = Version, %% Requested version session = Session0#session{session_id = Hello#client_hello.session_id}, start_or_recv_from = From, - timer = Timer}, + timer = Timer, + flight_state = {retransmit, ?INITIAL_RETRANSMIT_TIMEOUT} + }, {Record, State} = next_record(State3), - next_event(hello, Record, State); + next_event(hello, Record, State, Actions); init({call, _} = Type, Event, #state{role = server, transport_cb = gen_udp} = State) -> ssl_connection:init(Type, Event, - State#state{flight_state = {waiting, undefined, ?INITIAL_RETRANSMIT_TIMEOUT}}, + State#state{flight_state = {retransmit, ?INITIAL_RETRANSMIT_TIMEOUT}}, ?MODULE); init({call, _} = Type, Event, #state{role = server} = State) -> %% I.E. DTLS over sctp @@ -302,9 +294,9 @@ hello(internal, #client_hello{cookie = <<>>, Cookie = dtls_handshake:cookie(<<"secret">>, IP, Port, Hello), VerifyRequest = dtls_handshake:hello_verify_request(Cookie, Version), State1 = prepare_flight(State0#state{negotiated_version = Version}), - State2 = send_handshake(VerifyRequest, State1), + {State2, Actions} = send_handshake(VerifyRequest, State1), {Record, State} = next_record(State2), - next_event(hello, Record, State#state{tls_handshake_history = ssl_handshake:init_handshake_history()}); + next_event(hello, Record, State#state{tls_handshake_history = ssl_handshake:init_handshake_history()}, Actions); hello(internal, #client_hello{cookie = Cookie} = Hello, #state{role = server, transport_cb = Transport, socket = Socket} = State0) -> @@ -333,13 +325,13 @@ hello(internal, #hello_verify_request{cookie = Cookie}, #state{role = client, Cache, CacheCb, Renegotiation, OwnCert), Version = Hello#client_hello.client_version, HelloVersion = dtls_record:lowest_protocol_version(SslOpts#ssl_options.versions), - State2 = send_handshake(Hello, State1#state{negotiated_version = HelloVersion}), + {State2, Actions} = send_handshake(Hello, State1#state{negotiated_version = HelloVersion}), State3 = State2#state{negotiated_version = Version, %% Requested version session = Session0#session{session_id = Hello#client_hello.session_id}}, {Record, State} = next_record(State3), - next_event(hello, Record, State); + next_event(hello, Record, State, Actions); hello(internal, #server_hello{} = Hello, #state{connection_states = ConnectionStates0, negotiated_version = ReqVersion, @@ -356,13 +348,13 @@ hello(internal, #server_hello{} = Hello, hello(internal, {handshake, {#client_hello{cookie = <<>>} = Handshake, _}}, State) -> %% Initial hello should not be in handshake history {next_state, hello, State, [{next_event, internal, Handshake}]}; - hello(internal, {handshake, {#hello_verify_request{} = Handshake, _}}, State) -> %% hello_verify should not be in handshake history {next_state, hello, State, [{next_event, internal, Handshake}]}; - hello(info, Event, State) -> handle_info(Event, hello, State); +hello(state_timeout, Event, State) -> + handle_state_timeout(Event, hello, State); hello(Type, Event, State) -> ssl_connection:hello(Type, Event, State, ?MODULE). @@ -375,7 +367,11 @@ abbreviated(internal = Type, ConnectionStates = dtls_record:next_epoch(ConnectionStates1, read), ssl_connection:abbreviated(Type, Event, State#state{connection_states = ConnectionStates}, ?MODULE); abbreviated(internal = Type, #finished{} = Event, #state{connection_states = ConnectionStates} = State) -> - ssl_connection:cipher(Type, Event, prepare_flight(State#state{connection_states = ConnectionStates}), ?MODULE); + ssl_connection:abbreviated(Type, Event, + prepare_flight(State#state{connection_states = ConnectionStates, + flight_state = connection}), ?MODULE); +abbreviated(state_timeout, Event, State) -> + handle_state_timeout(Event, abbreviated, State); abbreviated(Type, Event, State) -> ssl_connection:abbreviated(Type, Event, State, ?MODULE). @@ -383,6 +379,8 @@ certify(info, Event, State) -> handle_info(Event, certify, State); certify(internal = Type, #server_hello_done{} = Event, State) -> ssl_connection:certify(Type, Event, prepare_flight(State), ?MODULE); +certify(state_timeout, Event, State) -> + handle_state_timeout(Event, certify, State); certify(Type, Event, State) -> ssl_connection:certify(Type, Event, State, ?MODULE). @@ -395,7 +393,11 @@ cipher(internal = Type, #change_cipher_spec{type = <<1>>} = Event, ssl_connection:cipher(Type, Event, State#state{connection_states = ConnectionStates}, ?MODULE); cipher(internal = Type, #finished{} = Event, #state{connection_states = ConnectionStates} = State) -> ssl_connection:cipher(Type, Event, - prepare_flight(State#state{connection_states = ConnectionStates}), ?MODULE); + prepare_flight(State#state{connection_states = ConnectionStates, + flight_state = connection}), + ?MODULE); +cipher(state_timeout, Event, State) -> + handle_state_timeout(Event, cipher, State); cipher(Type, Event, State) -> ssl_connection:cipher(Type, Event, State, ?MODULE). @@ -409,12 +411,12 @@ connection(internal, #hello_request{}, #state{host = Host, port = Port, renegotiation = {Renegotiation, _}} = State0) -> Hello = dtls_handshake:client_hello(Host, Port, ConnectionStates0, SslOpts, Cache, CacheCb, Renegotiation, Cert), - State1 = send_handshake(Hello, State0), + {State1, Actions} = send_handshake(Hello, State0), {Record, State} = next_record( State1#state{session = Session0#session{session_id = Hello#client_hello.session_id}}), - next_event(hello, Record, State); + next_event(hello, Record, State, Actions); connection(internal, #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 @@ -434,7 +436,6 @@ connection(Type, Event, State) -> downgrade(Type, Event, State) -> ssl_connection:downgrade(Type, Event, State, ?MODULE). - %%-------------------------------------------------------------------- %% Description: This function is called by a gen_fsm when it receives any %% other message than a synchronous or asynchronous event @@ -442,16 +443,6 @@ downgrade(Type, Event, State) -> %%-------------------------------------------------------------------- %% raw data from socket, unpack records -handle_info({_,flight_retransmission_timeout}, connection, _) -> - {next_state, keep_state_and_data}; -handle_info({Ref, flight_retransmission_timeout}, StateName, - #state{flight_state = {waiting, Ref, NextTimeout}} = State0) -> - State1 = send_handshake_flight(State0#state{flight_state = {retransmit_timer, NextTimeout}}, - retransmit_epoch(StateName, State0)), - {Record, State} = next_record(State1), - next_event(StateName, Record, State); -handle_info({_, flight_retransmission_timeout}, _, _) -> - {next_state, keep_state_and_data}; handle_info({Protocol, _, _, _, Data}, StateName, #state{data_tag = Protocol} = State0) -> case next_dtls_record(Data, State0) of @@ -489,7 +480,6 @@ handle_call(Event, From, StateName, State) -> handle_common_event(internal, #alert{} = Alert, StateName, #state{negotiated_version = Version} = State) -> ssl_connection:handle_own_alert(Alert, Version, StateName, State); - %%% DTLS record protocol level handshake messages handle_common_event(internal, #ssl_tls{type = ?HANDSHAKE, fragment = Data}, @@ -498,19 +488,14 @@ handle_common_event(internal, #ssl_tls{type = ?HANDSHAKE, negotiated_version = Version} = State0) -> try case dtls_handshake:get_dtls_handshake(Version, Data, Buffers0) of - {more_data, Buffers} -> + {[], Buffers} -> {Record, State} = next_record(State0#state{protocol_buffers = Buffers}), next_event(StateName, Record, State); {Packets, Buffers} -> State = State0#state{protocol_buffers = Buffers}, Events = dtls_handshake_events(Packets), - case StateName of - connection -> - ssl_connection:hibernate_after(StateName, State, Events); - _ -> - {next_state, StateName, - State#state{unprocessed_handshake_events = unprocessed_events(Events)}, Events} - end + {next_state, StateName, + State#state{unprocessed_handshake_events = unprocessed_events(Events)}, Events} end catch throw:#alert{} = Alert -> ssl_connection:handle_own_alert(Alert, Version, StateName, State0) @@ -534,6 +519,13 @@ handle_common_event(internal, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, Sta handle_common_event(internal, #ssl_tls{type = _Unknown}, StateName, State) -> {next_state, StateName, State}. +handle_state_timeout(flight_retransmission_timeout, StateName, + #state{flight_state = {retransmit, NextTimeout}} = State0) -> + {State1, Actions} = send_handshake_flight(State0#state{flight_state = {retransmit, NextTimeout}}, + retransmit_epoch(StateName, State0)), + {Record, State} = next_record(State1), + next_event(StateName, Record, State, Actions). + send(Transport, {_, {{_,_}, _} = Socket}, Data) -> send(Transport, Socket, Data); send(Transport, Socket, Data) -> @@ -645,7 +637,8 @@ initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions, _}, User, allow_renegotiate = SSLOptions#ssl_options.client_renegotiation, start_or_recv_from = undefined, protocol_cb = ?MODULE, - flight_buffer = new_flight() + flight_buffer = new_flight(), + flight_state = {retransmit, ?INITIAL_RETRANSMIT_TIMEOUT} }. next_dtls_record(Data, #state{protocol_buffers = #protocol_buffers{ @@ -714,14 +707,14 @@ next_event(connection = StateName, no_record, #state{connection_states = #{current_read := #{epoch := CurrentEpoch}}} = State0, Actions) -> case next_record_if_active(State0) of {no_record, State} -> - ssl_connection:hibernate_after(StateName, State, Actions); + ssl_connection:hibernate_after(StateName, State, Actions); {#ssl_tls{epoch = CurrentEpoch} = Record, State} -> {next_state, StateName, State, [{next_event, internal, {protocol_record, Record}} | Actions]}; {#ssl_tls{epoch = Epoch, type = ?HANDSHAKE, version = _Version}, State1} = _Record when Epoch == CurrentEpoch-1 -> - State = send_handshake_flight(State1, Epoch), - {next_state, StateName, State, Actions}; + {State, MoreActions} = send_handshake_flight(State1, Epoch), + {next_state, StateName, State, Actions ++ MoreActions}; {#ssl_tls{epoch = _Epoch, version = _Version}, State} -> %% TODO maybe buffer later epoch @@ -772,17 +765,20 @@ next_flight(Flight) -> Flight#{handshakes => [], change_cipher_spec => undefined, handshakes_after_change_cipher_spec => []}. - start_flight(#state{transport_cb = gen_udp, - flight_state = {retransmit_timer, Timeout}} = State) -> - Ref = erlang:make_ref(), - _ = erlang:send_after(Timeout, self(), {Ref, flight_retransmission_timeout}), - State#state{flight_state = {waiting, Ref, new_timeout(Timeout)}}; - + flight_state = {retransmit, Timeout}} = State) -> + start_retransmision_timer(Timeout, State); +start_flight(#state{transport_cb = gen_udp, + flight_state = connection} = State) -> + {State, []}; start_flight(State) -> %% No retransmision needed i.e DTLS over SCTP - State#state{flight_state = reliable}. + {State#state{flight_state = reliable}, []}. + +start_retransmision_timer(Timeout, State) -> + {State#state{flight_state = {retransmit, new_timeout(Timeout)}}, + [{state_timeout, Timeout, flight_retransmission_timeout}]}. new_timeout(N) when N =< 30 -> N * 2; @@ -806,13 +802,13 @@ renegotiate(#state{role = server, connection_states = CS0} = State0, Actions) -> HelloRequest = ssl_handshake:hello_request(), CS = CS0#{write_msg_seq => 0}, - State1 = send_handshake(HelloRequest, - State0#state{connection_states = - CS}), + {State1, MoreActions} = send_handshake(HelloRequest, + State0#state{connection_states = + CS}), Hs0 = ssl_handshake:init_handshake_history(), {Record, State} = next_record(State1#state{tls_handshake_history = Hs0, protocol_buffers = #protocol_buffers{}}), - next_event(hello, Record, State, Actions). + next_event(hello, Record, State, Actions ++ MoreActions). handle_alerts([], Result) -> Result; @@ -823,15 +819,11 @@ handle_alerts([Alert | Alerts], {next_state, StateName, State}) -> handle_alerts([Alert | Alerts], {next_state, StateName, State, _Actions}) -> handle_alerts(Alerts, ssl_connection:handle_alert(Alert, StateName, State)). -retransmit_epoch(StateName, #state{connection_states = ConnectionStates}) -> +retransmit_epoch(_StateName, #state{connection_states = ConnectionStates}) -> #{epoch := Epoch} = ssl_record:current_connection_state(ConnectionStates, write), - case StateName of - connection -> - Epoch-1; - _ -> - Epoch - end. + Epoch. + update_handshake_history(#hello_verify_request{}, _, Hist) -> Hist; @@ -846,3 +838,4 @@ unprocessed_events(Events) -> %% handshake events left to process before we should %% process more TLS-records received on the socket. erlang:length(Events)-1. + diff --git a/lib/ssl/src/dtls_handshake.erl b/lib/ssl/src/dtls_handshake.erl index af3708ddb7..fd1f9698fe 100644 --- a/lib/ssl/src/dtls_handshake.erl +++ b/lib/ssl/src/dtls_handshake.erl @@ -136,9 +136,11 @@ handshake_bin([Type, Length, Data], Seq) -> %%-------------------------------------------------------------------- -spec get_dtls_handshake(dtls_record:dtls_version(), binary(), #protocol_buffers{}) -> - {[{dtls_handshake(), binary()}], #protocol_buffers{}} | {more_data, #protocol_buffers{}}. + {[dtls_handshake()], #protocol_buffers{}}. %% -%% Description: ... +%% Description: Given buffered and new data from dtls_record, collects +%% and returns it as a list of handshake messages, also returns +%% possible leftover data in the new "protocol_buffers". %%-------------------------------------------------------------------- get_dtls_handshake(Version, Fragment, ProtocolBuffers) -> handle_fragments(Version, Fragment, ProtocolBuffers, []). @@ -288,8 +290,6 @@ do_handle_fragments(_, [], Buffers, Acc) -> {lists:reverse(Acc), Buffers}; do_handle_fragments(Version, [Fragment | Fragments], Buffers0, Acc) -> case reassemble(Version, Fragment, Buffers0) of - {more_data, _} = More when Acc == []-> - More; {more_data, Buffers} when Fragments == [] -> {lists:reverse(Acc), Buffers}; {more_data, Buffers} -> diff --git a/lib/ssl/src/dtls_record.erl b/lib/ssl/src/dtls_record.erl index f447897d59..0ee51c24b6 100644 --- a/lib/ssl/src/dtls_record.erl +++ b/lib/ssl/src/dtls_record.erl @@ -393,7 +393,7 @@ init_connection_state_seq(_, ConnnectionStates) -> integer(). %% %% Description: Returns the epoch the connection_state record -%% that is currently defined as the current conection state. +%% that is currently defined as the current connection state. %%-------------------------------------------------------------------- current_connection_state_epoch(#{current_read := #{epoch := Epoch}}, read) -> diff --git a/lib/ssl/src/dtls_socket.erl b/lib/ssl/src/dtls_socket.erl index 570b3ae83a..ac1a7b37c6 100644 --- a/lib/ssl/src/dtls_socket.erl +++ b/lib/ssl/src/dtls_socket.erl @@ -71,11 +71,14 @@ connect(Address, Port, #config{transport_info = {Transport, _, _, _} = CbInfo, close(gen_udp, {_Client, _Socket}) -> ok. +socket(Pid, gen_udp = Transport, {{_, _}, Socket}, ConnectionCb) -> + #sslsocket{pid = Pid, + %% "The name "fd" is keept for backwards compatibility + fd = {Transport, Socket, ConnectionCb}}; socket(Pid, Transport, Socket, ConnectionCb) -> #sslsocket{pid = Pid, %% "The name "fd" is keept for backwards compatibility - fd = {Transport, Socket, ConnectionCb}}. - + fd = {Transport, Socket, ConnectionCb}}. %% Vad göra med emulerade setopts(gen_udp, #sslsocket{pid = {Socket, _}}, Options) -> {SockOpts, _} = tls_socket:split_options(Options), @@ -108,11 +111,15 @@ getstat(gen_udp, {_,Socket}, Options) -> inet:getstat(Socket, Options); getstat(Transport, Socket, Options) -> Transport:getstat(Socket, Options). +peername(udp, _) -> + {error, enotconn}; peername(gen_udp, {_, {Client, _Socket}}) -> {ok, Client}; peername(Transport, Socket) -> Transport:peername(Socket). -sockname(gen_udp, {_,Socket}) -> +sockname(gen_udp, {_, {_,Socket}}) -> + inet:sockname(Socket); +sockname(gen_udp, Socket) -> inet:sockname(Socket); sockname(Transport, Socket) -> Transport:sockname(Socket). diff --git a/lib/ssl/src/dtls_udp_listener.erl b/lib/ssl/src/dtls_udp_listener.erl index b7f115582e..ab3d0783bd 100644 --- a/lib/ssl/src/dtls_udp_listener.erl +++ b/lib/ssl/src/dtls_udp_listener.erl @@ -24,7 +24,8 @@ -behaviour(gen_server). %% API --export([start_link/4, active_once/3, accept/2, sockname/1]). +-export([start_link/4, active_once/3, accept/2, sockname/1, close/1, + get_all_opts/1]). %% gen_server callbacks -export([init/1, handle_call/3, handle_cast/2, handle_info/2, @@ -39,7 +40,8 @@ clients = set_new(), dtls_processes = kv_new(), accepters = queue:new(), - first + first, + close }). %%%=================================================================== @@ -53,10 +55,14 @@ active_once(UDPConnection, Client, Pid) -> gen_server:cast(UDPConnection, {active_once, Client, Pid}). accept(UDPConnection, Accepter) -> - gen_server:call(UDPConnection, {accept, Accepter}, infinity). + call(UDPConnection, {accept, Accepter}). sockname(UDPConnection) -> - gen_server:call(UDPConnection, sockname, infinity). + call(UDPConnection, sockname). +close(UDPConnection) -> + call(UDPConnection, close). +get_all_opts(UDPConnection) -> + call(UDPConnection, get_all_opts). %%%=================================================================== %%% gen_server callbacks @@ -69,10 +75,13 @@ init([Port, EmOpts, InetOptions, DTLSOptions]) -> first = true, dtls_options = DTLSOptions, emulated_options = EmOpts, - listner = Socket}} + listner = Socket, + close = false}} catch _:_ -> {error, closed} end. +handle_call({accept, _}, _, #state{close = true} = State) -> + {reply, {error, closed}, State}; handle_call({accept, Accepter}, From, #state{first = true, accepters = Accepters, @@ -87,7 +96,21 @@ handle_call({accept, Accepter}, From, #state{accepters = Accepters} = State0) -> {noreply, State}; handle_call(sockname, _, #state{listner = Socket} = State) -> Reply = inet:sockname(Socket), - {reply, Reply, State}. + {reply, Reply, State}; +handle_call(close, _, #state{dtls_processes = Processes, + accepters = Accepters} = State) -> + case kv_empty(Processes) of + true -> + {stop, normal, ok, State#state{close=true}}; + false -> + lists:foreach(fun({_, From}) -> + gen_server:reply(From, {error, closed}) + end, queue:to_list(Accepters)), + {reply, ok, State#state{close = true, accepters = queue:new()}} + end; +handle_call(get_all_opts, _, #state{dtls_options = DTLSOptions, + emulated_options = EmOpts} = State) -> + {reply, {ok, EmOpts, DTLSOptions}, State}. handle_cast({active_once, Client, Pid}, State0) -> State = handle_active_once(Client, Pid, State0), @@ -99,11 +122,17 @@ handle_info({udp, Socket, IP, InPortNo, _} = Msg, #state{listner = Socket} = Sta {noreply, State}; handle_info({'DOWN', _, process, Pid, _}, #state{clients = Clients, - dtls_processes = Processes0} = State) -> + dtls_processes = Processes0, + close = ListenClosed} = State) -> Client = kv_get(Pid, Processes0), Processes = kv_delete(Pid, Processes0), - {noreply, State#state{clients = set_delete(Client, Clients), - dtls_processes = Processes}}. + case ListenClosed andalso kv_empty(Processes) of + true -> + {stop, normal, State}; + false -> + {noreply, State#state{clients = set_delete(Client, Clients), + dtls_processes = Processes}} + end. terminate(_Reason, _State) -> ok. @@ -182,6 +211,7 @@ setup_new_connection(User, From, Client, Msg, #state{dtls_processes = Processes, gen_server:reply(From, {error, Reason}), State end. + kv_update(Key, Value, Store) -> gb_trees:update(Key, Value, Store). kv_lookup(Key, Store) -> @@ -194,6 +224,8 @@ kv_delete(Key, Store) -> gb_trees:delete(Key, Store). kv_new() -> gb_trees:empty(). +kv_empty(Store) -> + gb_trees:is_empty(Store). set_new() -> gb_sets:empty(). @@ -203,3 +235,15 @@ set_delete(Item, Set) -> gb_sets:delete(Item, Set). set_is_member(Item, Set) -> gb_sets:is_member(Item, Set). + +call(Server, Msg) -> + try + gen_server:call(Server, Msg, infinity) + catch + exit:{noproc, _} -> + {error, closed}; + exit:{normal, _} -> + {error, closed}; + exit:{{shutdown, _},_} -> + {error, closed} + end. diff --git a/lib/ssl/src/dtls_v1.erl b/lib/ssl/src/dtls_v1.erl index ffd3e4b833..dd0d35d404 100644 --- a/lib/ssl/src/dtls_v1.erl +++ b/lib/ssl/src/dtls_v1.erl @@ -21,12 +21,21 @@ -include("ssl_cipher.hrl"). --export([suites/1, mac_hash/7, ecc_curves/1, corresponding_tls_version/1, corresponding_dtls_version/1]). +-export([suites/1, all_suites/1, mac_hash/7, ecc_curves/1, + corresponding_tls_version/1, corresponding_dtls_version/1]). -spec suites(Minor:: 253|255) -> [ssl_cipher:cipher_suite()]. suites(Minor) -> - tls_v1:suites(corresponding_minor_tls_version(Minor)). + lists:filter(fun(Cipher) -> + is_acceptable_cipher(ssl_cipher:suite_definition(Cipher)) + end, + tls_v1:suites(corresponding_minor_tls_version(Minor))). +all_suites(Version) -> + lists:filter(fun(Cipher) -> + is_acceptable_cipher(ssl_cipher:suite_definition(Cipher)) + end, + ssl_cipher:all_suites(corresponding_tls_version(Version))). mac_hash(Version, MacAlg, MacSecret, SeqNo, Type, Length, Fragment) -> tls_v1:mac_hash(MacAlg, MacSecret, SeqNo, Type, Version, @@ -50,3 +59,5 @@ corresponding_minor_dtls_version(2) -> 255; corresponding_minor_dtls_version(3) -> 253. +is_acceptable_cipher(Suite) -> + not ssl_cipher:is_stream_ciphersuite(Suite). diff --git a/lib/ssl/src/ssl.app.src b/lib/ssl/src/ssl.app.src index 148989174d..064dcd6892 100644 --- a/lib/ssl/src/ssl.app.src +++ b/lib/ssl/src/ssl.app.src @@ -63,7 +63,7 @@ {applications, [crypto, public_key, kernel, stdlib]}, {env, []}, {mod, {ssl_app, []}}, - {runtime_dependencies, ["stdlib-3.1","public_key-1.2","kernel-3.0", + {runtime_dependencies, ["stdlib-3.2","public_key-1.2","kernel-3.0", "erts-7.0","crypto-3.3", "inets-5.10.7"]}]}. diff --git a/lib/ssl/src/ssl.appup.src b/lib/ssl/src/ssl.appup.src index 32252386b4..bfdd0c205b 100644 --- a/lib/ssl/src/ssl.appup.src +++ b/lib/ssl/src/ssl.appup.src @@ -1,11 +1,19 @@ %% -*- erlang -*- {"%VSN%", [ - {<<"^8[.]0([.][0-9]+)?$">>, [{restart_application, ssl}]}, - {<<"^[3-7][.][^.].*">>, [{restart_application, ssl}]} + {<<"8\\..*">>, [{restart_application, ssl}]}, + {<<"7\\..*">>, [{restart_application, ssl}]}, + {<<"6\\..*">>, [{restart_application, ssl}]}, + {<<"5\\..*">>, [{restart_application, ssl}]}, + {<<"4\\..*">>, [{restart_application, ssl}]}, + {<<"3\\..*">>, [{restart_application, ssl}]} ], [ - {<<"^8[.]0([.][0-9]+)?$">>, [{restart_application, ssl}]}, - {<<"^[3-7][.][^.].*">>, [{restart_application, ssl}]} - ] + {<<"8\\..*">>, [{restart_application, ssl}]}, + {<<"7\\..*">>, [{restart_application, ssl}]}, + {<<"6\\..*">>, [{restart_application, ssl}]}, + {<<"5\\..*">>, [{restart_application, ssl}]}, + {<<"4\\..*">>, [{restart_application, ssl}]}, + {<<"3\\..*">>, [{restart_application, ssl}]} + ] }. diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index 4a5a7e25ea..45fc29723f 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -187,16 +187,24 @@ ssl_accept(ListenSocket, SslOptions) when is_port(ListenSocket) -> ssl_accept(#sslsocket{} = Socket, [], Timeout) when (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity)-> ssl_accept(Socket, Timeout); -ssl_accept(#sslsocket{fd = {_, _, _, Tracker}} = Socket, SslOpts0, Timeout) when +ssl_accept(#sslsocket{fd = {_, _, _, Tracker}} = Socket, SslOpts, Timeout) when (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity)-> try - {ok, EmOpts, InheritedSslOpts} = tls_socket:get_all_opts(Tracker), - SslOpts = handle_options(SslOpts0, InheritedSslOpts), + {ok, EmOpts, _} = tls_socket:get_all_opts(Tracker), ssl_connection:handshake(Socket, {SslOpts, tls_socket:emulated_socket_options(EmOpts, #socket_options{})}, Timeout) catch Error = {error, _Reason} -> Error end; +ssl_accept(#sslsocket{pid = Pid, fd = {_, _, _}} = Socket, SslOpts, Timeout) when + (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity)-> + try + {ok, EmOpts, _} = dtls_udp_listener:get_all_opts(Pid), + ssl_connection:handshake(Socket, {SslOpts, + tls_socket:emulated_socket_options(EmOpts, #socket_options{})}, Timeout) + catch + Error = {error, _Reason} -> Error + end; ssl_accept(Socket, SslOptions, Timeout) when is_port(Socket), (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity) -> {Transport,_,_,_} = @@ -215,7 +223,6 @@ ssl_accept(Socket, SslOptions, Timeout) when is_port(Socket), catch Error = {error, _Reason} -> Error end. - %%-------------------------------------------------------------------- -spec close(#sslsocket{}) -> term(). %% @@ -223,6 +230,8 @@ ssl_accept(Socket, SslOptions, Timeout) when is_port(Socket), %%-------------------------------------------------------------------- close(#sslsocket{pid = Pid}) when is_pid(Pid) -> ssl_connection:close(Pid, {close, ?DEFAULT_TIMEOUT}); +close(#sslsocket{pid = {udp, #config{udp_handler = {Pid, _}}}}) -> + dtls_udp_listener:close(Pid); close(#sslsocket{pid = {ListenSocket, #config{transport_info={Transport,_, _, _}}}}) -> Transport:close(ListenSocket). @@ -251,6 +260,8 @@ send(#sslsocket{pid = Pid}, Data) when is_pid(Pid) -> ssl_connection:send(Pid, Data); send(#sslsocket{pid = {_, #config{transport_info={gen_udp, _, _, _}}}}, _) -> {error,enotconn}; %% Emulate connection behaviour +send(#sslsocket{pid = {udp,_}}, _) -> + {error,enotconn}; send(#sslsocket{pid = {ListenSocket, #config{transport_info={Transport, _, _, _}}}}, Data) -> Transport:send(ListenSocket, Data). %% {error,enotconn} @@ -265,6 +276,8 @@ recv(Socket, Length) -> 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 = {udp,_}}, _, _) -> + {error,enotconn}; recv(#sslsocket{pid = {Listen, #config{transport_info = {Transport, _, _, _}}}}, _,_) when is_port(Listen)-> Transport:recv(Listen, 0). %% {error,enotconn} @@ -277,10 +290,14 @@ recv(#sslsocket{pid = {Listen, %%-------------------------------------------------------------------- controlling_process(#sslsocket{pid = Pid}, NewOwner) when is_pid(Pid), is_pid(NewOwner) -> ssl_connection:new_user(Pid, NewOwner); +controlling_process(#sslsocket{pid = {udp, _}}, + NewOwner) when is_pid(NewOwner) -> + ok; %% Meaningless but let it be allowed to conform with TLS controlling_process(#sslsocket{pid = {Listen, #config{transport_info = {Transport, _, _, _}}}}, NewOwner) when is_port(Listen), is_pid(NewOwner) -> + %% Meaningless but let it be allowed to conform with normal sockets Transport:controlling_process(Listen, NewOwner). @@ -297,7 +314,9 @@ connection_information(#sslsocket{pid = Pid}) when is_pid(Pid) -> Error end; connection_information(#sslsocket{pid = {Listen, _}}) when is_port(Listen) -> - {error, enotconn}. + {error, enotconn}; +connection_information(#sslsocket{pid = {udp,_}}) -> + {error,enotconn}. %%-------------------------------------------------------------------- -spec connection_information(#sslsocket{}, [atom()]) -> {ok, list()} | {error, reason()}. @@ -333,10 +352,18 @@ connection_info(#sslsocket{} = SSLSocket) -> %% %% Description: same as inet:peername/1. %%-------------------------------------------------------------------- +peername(#sslsocket{pid = Pid, fd = {Transport, Socket, _}}) when is_pid(Pid)-> + dtls_socket:peername(Transport, Socket); peername(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}) when is_pid(Pid)-> tls_socket:peername(Transport, Socket); +peername(#sslsocket{pid = {udp = Transport, #config{udp_handler = {_Pid, _}}}}) -> + dtls_socket:peername(Transport, undefined); +peername(#sslsocket{pid = Pid, fd = {gen_udp= Transport, Socket, _, _}}) when is_pid(Pid) -> + dtls_socket:peername(Transport, Socket); peername(#sslsocket{pid = {ListenSocket, #config{transport_info = {Transport,_,_,_}}}}) -> - tls_socket:peername(Transport, ListenSocket). %% Will return {error, enotconn} + tls_socket:peername(Transport, ListenSocket); %% Will return {error, enotconn} +peername(#sslsocket{pid = {udp,_}}) -> + {error,enotconn}. %%-------------------------------------------------------------------- -spec peercert(#sslsocket{}) ->{ok, DerCert::binary()} | {error, reason()}. @@ -350,6 +377,8 @@ peercert(#sslsocket{pid = Pid}) when is_pid(Pid) -> Result -> Result end; +peercert(#sslsocket{pid = {udp, _}}) -> + {error, enotconn}; peercert(#sslsocket{pid = {Listen, _}}) when is_port(Listen) -> {error, enotconn}. @@ -506,6 +535,8 @@ getstat(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}, Options) when is_ shutdown(#sslsocket{pid = {Listen, #config{transport_info = {Transport,_, _, _}}}}, How) when is_port(Listen) -> Transport:shutdown(Listen, How); +shutdown(#sslsocket{pid = {udp,_}},_) -> + {error, enotconn}; shutdown(#sslsocket{pid = Pid}, How) -> ssl_connection:shutdown(Pid, How). @@ -518,7 +549,7 @@ sockname(#sslsocket{pid = {Listen, #config{transport_info = {Transport, _, _, _ tls_socket:sockname(Transport, Listen); sockname(#sslsocket{pid = {udp, #config{udp_handler = {Pid, _}}}}) -> dtls_udp_listener:sockname(Pid); -sockname(#sslsocket{pid = Pid, fd = {gen_udp= Transport, Socket, _, _}}) when is_pid(Pid) -> +sockname(#sslsocket{pid = Pid, fd = {Transport, Socket, _}}) when is_pid(Pid) -> dtls_socket:sockname(Transport, Socket); sockname(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}) when is_pid(Pid) -> tls_socket:sockname(Transport, Socket). @@ -531,6 +562,8 @@ sockname(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}) when is_pid(Pid) %%-------------------------------------------------------------------- session_info(#sslsocket{pid = Pid}) when is_pid(Pid) -> ssl_connection:session_info(Pid); +session_info(#sslsocket{pid = {udp,_}}) -> + {error, enotconn}; session_info(#sslsocket{pid = {Listen,_}}) when is_port(Listen) -> {error, enotconn}. @@ -555,6 +588,8 @@ versions() -> %%-------------------------------------------------------------------- renegotiate(#sslsocket{pid = Pid}) when is_pid(Pid) -> ssl_connection:renegotiation(Pid); +renegotiate(#sslsocket{pid = {udp,_}}) -> + {error, enotconn}; renegotiate(#sslsocket{pid = {Listen,_}}) when is_port(Listen) -> {error, enotconn}. @@ -568,6 +603,8 @@ renegotiate(#sslsocket{pid = {Listen,_}}) when is_port(Listen) -> prf(#sslsocket{pid = Pid}, Secret, Label, Seed, WantedLength) when is_pid(Pid) -> ssl_connection:prf(Pid, Secret, Label, Seed, WantedLength); +prf(#sslsocket{pid = {udp,_}}, _,_,_,_) -> + {error, enotconn}; prf(#sslsocket{pid = {Listen,_}}, _,_,_,_) when is_port(Listen) -> {error, enotconn}. @@ -696,7 +733,7 @@ handle_options(Opts0, Role) -> [RecordCb:protocol_version(Vsn) || Vsn <- Vsns] end, - Protocol = proplists:get_value(protocol, Opts, tls), + Protocol = handle_option(protocol, Opts, tls), SSLOptions = #ssl_options{ versions = Versions, @@ -755,7 +792,7 @@ handle_options(Opts0, Role) -> honor_ecc_order = handle_option(honor_ecc_order, Opts, default_option_role(server, false, Role), server, Role), - protocol = Protocol, + protocol = Protocol, padding_check = proplists:get_value(padding_check, Opts, true), beast_mitigation = handle_option(beast_mitigation, Opts, one_n_minus_one), fallback = handle_option(fallback, Opts, @@ -1032,6 +1069,10 @@ validate_option(v2_hello_compatible, Value) when is_boolean(Value) -> Value; validate_option(max_handshake_size, Value) when is_integer(Value) andalso Value =< ?MAX_UNIT24 -> Value; +validate_option(protocol, Value = tls) -> + Value; +validate_option(protocol, Value = dtls) -> + Value; validate_option(Opt, Value) -> throw({error, {options, {Opt, Value}}}). @@ -1069,17 +1110,37 @@ validate_binary_list(Opt, List) -> (Bin) -> throw({error, {options, {Opt, {invalid_protocol, Bin}}}}) end, List). - validate_versions([], Versions) -> Versions; validate_versions([Version | Rest], Versions) when Version == 'tlsv1.2'; Version == 'tlsv1.1'; Version == tlsv1; Version == sslv3 -> - validate_versions(Rest, Versions); + tls_validate_versions(Rest, Versions); +validate_versions([Version | Rest], Versions) when Version == 'dtlsv1'; + Version == 'dtlsv1.2'-> + dtls_validate_versions(Rest, Versions); validate_versions([Ver| _], Versions) -> throw({error, {options, {Ver, {versions, Versions}}}}). +tls_validate_versions([], Versions) -> + Versions; +tls_validate_versions([Version | Rest], Versions) when Version == 'tlsv1.2'; + Version == 'tlsv1.1'; + Version == tlsv1; + Version == sslv3 -> + tls_validate_versions(Rest, Versions); +tls_validate_versions([Ver| _], Versions) -> + throw({error, {options, {Ver, {versions, Versions}}}}). + +dtls_validate_versions([], Versions) -> + Versions; +dtls_validate_versions([Version | Rest], Versions) when Version == 'dtlsv1'; + Version == 'dtlsv1.2'-> + dtls_validate_versions(Rest, Versions); +dtls_validate_versions([Ver| _], Versions) -> + throw({error, {options, {Ver, {versions, Versions}}}}). + validate_inet_option(mode, Value) when Value =/= list, Value =/= binary -> throw({error, {options, {mode,Value}}}); @@ -1151,18 +1212,18 @@ handle_cipher_option(Value, Version) when is_list(Value) -> binary_cipher_suites(Version, []) -> %% Defaults to all supported suites that does %% not require explicit configuration - ssl_cipher:filter_suites(ssl_cipher:suites(Version)); + ssl_cipher:filter_suites(ssl_cipher:suites(tls_version(Version))); binary_cipher_suites(Version, [Tuple|_] = Ciphers0) when is_tuple(Tuple) -> Ciphers = [ssl_cipher:suite(C) || C <- Ciphers0], binary_cipher_suites(Version, Ciphers); binary_cipher_suites(Version, [Cipher0 | _] = Ciphers0) when is_binary(Cipher0) -> - All = ssl_cipher:all_suites(Version), + All = ssl_cipher:all_suites(tls_version(Version)), case [Cipher || Cipher <- Ciphers0, lists:member(Cipher, All)] of [] -> %% Defaults to all supported suites that does %% not require explicit configuration - ssl_cipher:filter_suites(ssl_cipher:suites(Version)); + ssl_cipher:filter_suites(ssl_cipher:suites(tls_version(Version))); Ciphers -> Ciphers end; @@ -1175,7 +1236,8 @@ binary_cipher_suites(Version, Ciphers0) -> Ciphers = [ssl_cipher:openssl_suite(C) || C <- string:tokens(Ciphers0, ":")], binary_cipher_suites(Version, Ciphers). -handle_eccs_option(Value, {_Major, Minor}) when is_list(Value) -> +handle_eccs_option(Value, Version) when is_list(Value) -> + {_Major, Minor} = tls_version(Version), try tls_v1:ecc_curves(Minor, Value) of Curves -> #elliptic_curves{elliptic_curve_list = Curves} catch @@ -1348,7 +1410,10 @@ new_ssl_options([{signature_algs, Value} | Rest], #ssl_options{} = Opts, RecordC handle_hashsigns_option(Value, tls_version(RecordCB:highest_protocol_version()))}, RecordCB); - +new_ssl_options([{protocol, dtls = Value} | Rest], #ssl_options{} = Opts, dtls_record = RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{protocol = Value}, RecordCB); +new_ssl_options([{protocol, tls = Value} | Rest], #ssl_options{} = Opts, tls_record = RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{protocol = Value}, RecordCB); new_ssl_options([{Key, Value} | _Rest], #ssl_options{}, _) -> throw({error, {options, {Key, Value}}}). diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl index 32fec03b8e..8e6860e9dc 100644 --- a/lib/ssl/src/ssl_cipher.erl +++ b/lib/ssl/src/ssl_cipher.erl @@ -40,7 +40,8 @@ ec_keyed_suites/0, anonymous_suites/1, psk_suites/1, srp_suites/0, rc4_suites/1, des_suites/1, openssl_suite/1, openssl_suite_name/1, filter/2, filter_suites/1, hash_algorithm/1, sign_algorithm/1, is_acceptable_hash/2, is_fallback/1, - random_bytes/1, calc_aad/3, calc_mac_hash/4]). + random_bytes/1, calc_aad/3, calc_mac_hash/4, + is_stream_ciphersuite/1]). -export_type([cipher_suite/0, erl_cipher_suite/0, openssl_cipher_suite/0, @@ -310,18 +311,21 @@ aead_decipher(Type, #cipher_state{key = Key, iv = IV} = CipherState, %%-------------------------------------------------------------------- suites({3, 0}) -> ssl_v3:suites(); -suites({3, N}) -> - tls_v1:suites(N); -suites(Version) -> - suites(dtls_v1:corresponding_tls_version(Version)). +suites({3, Minor}) -> + tls_v1:suites(Minor); +suites({_, Minor}) -> + dtls_v1:suites(Minor). -all_suites(Version) -> +all_suites({3, _} = Version) -> suites(Version) ++ anonymous_suites(Version) ++ psk_suites(Version) ++ srp_suites() ++ rc4_suites(Version) - ++ des_suites(Version). + ++ des_suites(Version); +all_suites(Version) -> + dtls_v1:all_suites(Version). + %%-------------------------------------------------------------------- -spec anonymous_suites(ssl_record:ssl_version() | integer()) -> [cipher_suite()]. %% @@ -1541,6 +1545,10 @@ calc_mac_hash(Type, Version, MacSecret, SeqNo, Type, Length, PlainFragment). +is_stream_ciphersuite({_, rc4_128, _, _}) -> + true; +is_stream_ciphersuite(_) -> + false. %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- diff --git a/lib/ssl/src/ssl_config.erl b/lib/ssl/src/ssl_config.erl index 54f83928ee..09d4c3e678 100644 --- a/lib/ssl/src/ssl_config.erl +++ b/lib/ssl/src/ssl_config.erl @@ -32,20 +32,20 @@ init(SslOpts, Role) -> init_manager_name(SslOpts#ssl_options.erl_dist), - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CRLDbHandle, OwnCert} + {ok, #{pem_cache := PemCache} = Config} = init_certificates(SslOpts, Role), PrivateKey = - init_private_key(PemCacheHandle, SslOpts#ssl_options.key, SslOpts#ssl_options.keyfile, + init_private_key(PemCache, SslOpts#ssl_options.key, SslOpts#ssl_options.keyfile, SslOpts#ssl_options.password, Role), - DHParams = init_diffie_hellman(PemCacheHandle, SslOpts#ssl_options.dh, SslOpts#ssl_options.dhfile, Role), - {ok, CertDbRef, CertDbHandle, FileRefHandle, CacheHandle, CRLDbHandle, OwnCert, PrivateKey, DHParams}. + DHParams = init_diffie_hellman(PemCache, SslOpts#ssl_options.dh, SslOpts#ssl_options.dhfile, Role), + {ok, Config#{private_key => PrivateKey, dh_params => DHParams}}. init_manager_name(false) -> put(ssl_manager, ssl_manager:name(normal)), - put(ssl_cache, ssl_pem_cache:name(normal)); + put(ssl_pem_cache, ssl_pem_cache:name(normal)); init_manager_name(true) -> put(ssl_manager, ssl_manager:name(dist)), - put(ssl_cache, ssl_pem_cache:name(dist)). + put(ssl_pem_cache, ssl_pem_cache:name(dist)). init_certificates(#ssl_options{cacerts = CaCerts, cacertfile = CACertFile, @@ -53,7 +53,7 @@ init_certificates(#ssl_options{cacerts = CaCerts, cert = Cert, crl_cache = CRLCache }, Role) -> - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CRLDbInfo} = + {ok, Config} = try Certs = case CaCerts of undefined -> @@ -61,41 +61,37 @@ init_certificates(#ssl_options{cacerts = CaCerts, _ -> {der, CaCerts} end, - {ok, _, _, _, _, _, _} = ssl_manager:connection_init(Certs, Role, CRLCache) + {ok,_} = ssl_manager:connection_init(Certs, Role, CRLCache) catch _:Reason -> file_error(CACertFile, {cacertfile, Reason}) end, - init_certificates(Cert, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, - CacheHandle, CRLDbInfo, CertFile, Role). + init_certificates(Cert, Config, CertFile, Role). -init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, - CRLDbInfo, <<>>, _) -> - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CRLDbInfo, undefined}; +init_certificates(undefined, Config, <<>>, _) -> + {ok, Config#{own_certificate => undefined}}; -init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, - CacheHandle, CRLDbInfo, CertFile, client) -> +init_certificates(undefined, #{pem_cache := PemCache} = Config, CertFile, client) -> try %% Ignoring potential proxy-certificates see: %% http://dev.globus.org/wiki/Security/ProxyFileFormat - [OwnCert|_] = ssl_certificate:file_to_certificats(CertFile, PemCacheHandle), - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CRLDbInfo, OwnCert} + [OwnCert|_] = ssl_certificate:file_to_certificats(CertFile, PemCache), + {ok, Config#{own_certificate => OwnCert}} catch _Error:_Reason -> - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CRLDbInfo, undefined} - end; + {ok, Config#{own_certificate => undefined}} + end; -init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, - PemCacheHandle, CacheRef, CRLDbInfo, CertFile, server) -> +init_certificates(undefined, #{pem_cache := PemCache} = Config, CertFile, server) -> try - [OwnCert|_] = ssl_certificate:file_to_certificats(CertFile, PemCacheHandle), - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, CRLDbInfo, OwnCert} + [OwnCert|_] = ssl_certificate:file_to_certificats(CertFile, PemCache), + {ok, Config#{own_certificate => OwnCert}} catch _:Reason -> file_error(CertFile, {certfile, Reason}) end; -init_certificates(Cert, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, CRLDbInfo, _, _) -> - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, CRLDbInfo, Cert}. - +init_certificates(Cert, Config, _, _) -> + {ok, Config#{own_certificate => Cert}}. + init_private_key(_, undefined, <<>>, _Password, _Client) -> undefined; init_private_key(DbHandle, undefined, KeyFile, Password, _) -> diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index 6ed2fc83da..ea139ac4b1 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -148,19 +148,19 @@ socket_control(Connection, Socket, Pid, Transport) -> %%-------------------------------------------------------------------- socket_control(Connection, Socket, Pid, Transport, udp_listner) -> %% dtls listner process must have the socket control - {ok, dtls_socket:socket(Pid, Transport, Socket, Connection)}; + {ok, Connection:socket(Pid, Transport, Socket, Connection, undefined)}; socket_control(tls_connection = Connection, Socket, Pid, Transport, ListenTracker) -> case Transport:controlling_process(Socket, Pid) of ok -> - {ok, tls_socket:socket(Pid, Transport, Socket, Connection, ListenTracker)}; + {ok, Connection:socket(Pid, Transport, Socket, Connection, ListenTracker)}; {error, Reason} -> {error, Reason} end; socket_control(dtls_connection = Connection, {_, Socket}, Pid, Transport, ListenTracker) -> case Transport:controlling_process(Socket, Pid) of ok -> - {ok, tls_socket:socket(Pid, Transport, Socket, Connection, ListenTracker)}; + {ok, Connection:socket(Pid, Transport, Socket, Connection, ListenTracker)}; {error, Reason} -> {error, Reason} end. @@ -323,8 +323,14 @@ handle_session(#server_hello{cipher_suite = CipherSuite, -spec ssl_config(#ssl_options{}, client | server, #state{}) -> #state{}. %%-------------------------------------------------------------------- ssl_config(Opts, Role, State) -> - {ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, CRLDbInfo, - OwnCert, Key, DHParams} = + {ok, #{cert_db_ref := Ref, + cert_db_handle := CertDbHandle, + fileref_db_handle := FileRefHandle, + session_cache := CacheHandle, + crl_db_info := CRLDbHandle, + private_key := Key, + dh_params := DHParams, + own_certificate := OwnCert}} = ssl_config:init(Opts, Role), Handshake = ssl_handshake:init_handshake_history(), TimeStamp = erlang:monotonic_time(), @@ -335,7 +341,7 @@ ssl_config(Opts, Role, State) -> file_ref_db = FileRefHandle, cert_db_ref = Ref, cert_db = CertDbHandle, - crl_db = CRLDbInfo, + crl_db = CRLDbHandle, session_cache = CacheHandle, private_key = Key, diffie_hellman_params = DHParams, @@ -357,11 +363,13 @@ init({call, From}, {start, Timeout}, State0, Connection) -> timer = Timer}), Connection:next_event(hello, Record, State); init({call, From}, {start, {Opts, EmOpts}, Timeout}, - #state{role = Role} = State0, Connection) -> + #state{role = Role, ssl_options = OrigSSLOptions, + socket_options = SockOpts} = State0, Connection) -> try - State = ssl_config(Opts, Role, State0), + SslOpts = ssl:handle_options(Opts, OrigSSLOptions), + State = ssl_config(SslOpts, Role, State0), init({call, From}, {start, Timeout}, - State#state{ssl_options = Opts, socket_options = EmOpts}, Connection) + State#state{ssl_options = SslOpts, socket_options = new_emulated(EmOpts, SockOpts)}, Connection) catch throw:Error -> {stop_and_reply, normal, {reply, From, {error, Error}}} end; @@ -426,11 +434,11 @@ abbreviated(internal, #finished{verify_data = Data} = Finished, verified -> ConnectionStates1 = ssl_record:set_server_verify_data(current_read, Data, ConnectionStates0), - State1 = + {State1, Actions} = finalize_handshake(State0#state{connection_states = ConnectionStates1}, abbreviated, Connection), {Record, State} = prepare_connection(State1#state{expecting_finished = false}, Connection), - Connection:next_event(connection, Record, State); + Connection:next_event(connection, Record, State, Actions); #alert{} = Alert -> handle_own_alert(Alert, Version, abbreviated, State0) end; @@ -850,6 +858,7 @@ handle_common_event(internal, #change_cipher_spec{type = <<1>>}, StateName, StateName, State); handle_common_event(_Type, Msg, StateName, #state{negotiated_version = Version} = State, _) -> + ct:pal("Unexpected msg ~p", [Msg]), Alert = ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE), handle_own_alert(Alert, Version, {StateName, Msg}, State). @@ -1011,7 +1020,7 @@ terminate(_, _, #state{terminated = true}) -> %% Happens when user closes the connection using ssl:close/1 %% we want to guarantee that Transport:close has been called %% when ssl:close/1 returns unless it is a downgrade where - %% we want to guarantee that close alert is recived before + %% we want to guarantee that close alert is received before %% returning. In both cases terminate has been run manually %% before run by gen_statem which will end up here ok; @@ -1230,13 +1239,13 @@ new_server_hello(#server_hello{cipher_suite = CipherSuite, negotiated_version = Version} = State0, Connection) -> try server_certify_and_key_exchange(State0, Connection) of #state{} = State1 -> - State2 = server_hello_done(State1, Connection), + {State2, Actions} = server_hello_done(State1, Connection), Session = Session0#session{session_id = SessionId, cipher_suite = CipherSuite, compression_method = Compression}, {Record, State} = Connection:next_record(State2#state{session = Session}), - Connection:next_event(certify, Record, State) + Connection:next_event(certify, Record, State, Actions) catch #alert{} = Alert -> handle_own_alert(Alert, Version, hello, State0) @@ -1251,10 +1260,10 @@ resumed_server_hello(#state{session = Session, {_, ConnectionStates1} -> State1 = State0#state{connection_states = ConnectionStates1, session = Session}, - State2 = + {State2, Actions} = finalize_handshake(State1, abbreviated, Connection), {Record, State} = Connection:next_record(State2), - Connection:next_event(abbreviated, Record, State); + Connection:next_event(abbreviated, Record, State, Actions); #alert{} = Alert -> handle_own_alert(Alert, Version, hello, State0) end. @@ -1337,12 +1346,12 @@ client_certify_and_key_exchange(#state{negotiated_version = Version} = State0, Connection) -> try do_client_certify_and_key_exchange(State0, Connection) of State1 = #state{} -> - State2 = finalize_handshake(State1, certify, Connection), + {State2, Actions} = finalize_handshake(State1, certify, Connection), State3 = State2#state{ %% Reinitialize client_certificate_requested = false}, {Record, State} = Connection:next_record(State3), - Connection:next_event(cipher, Record, State) + Connection:next_event(cipher, Record, State, Actions) catch throw:#alert{} = Alert -> handle_own_alert(Alert, Version, certify, State0) @@ -1864,11 +1873,11 @@ cipher_role(server, Data, Session, #state{connection_states = ConnectionStates0 Connection) -> ConnectionStates1 = ssl_record:set_client_verify_data(current_read, Data, ConnectionStates0), - State1 = + {State1, Actions} = finalize_handshake(State0#state{connection_states = ConnectionStates1, session = Session}, cipher, Connection), {Record, State} = prepare_connection(State1, Connection), - Connection:next_event(connection, Record, State). + Connection:next_event(connection, Record, State, Actions). is_anonymous(Algo) when Algo == dh_anon; Algo == ecdh_anon; @@ -2299,7 +2308,7 @@ format_reply(_, _,#socket_options{active = false, mode = Mode, packet = Packet, {ok, do_format_reply(Mode, Packet, Header, Data)}; format_reply(Transport, Socket, #socket_options{active = _, mode = Mode, packet = Packet, header = Header}, Data, Tracker, Connection) -> - {ssl, tls_socket:socket(self(), Transport, Socket, Connection, Tracker), + {ssl, Connection:socket(self(), Transport, Socket, Connection, Tracker), do_format_reply(Mode, Packet, Header, Data)}. deliver_packet_error(Transport, Socket, SO= #socket_options{active = Active}, Data, Pid, From, Tracker, Connection) -> @@ -2308,7 +2317,7 @@ deliver_packet_error(Transport, Socket, SO= #socket_options{active = Active}, Da format_packet_error(_, _,#socket_options{active = false, mode = Mode}, Data, _, _) -> {error, {invalid_packet, do_format_reply(Mode, raw, 0, Data)}}; format_packet_error(Transport, Socket, #socket_options{active = _, mode = Mode}, Data, Tracker, Connection) -> - {ssl_error, tls_socket:socket(self(), Transport, Socket, Connection, Tracker), + {ssl_error, Connection:socket(self(), Transport, Socket, Connection, Tracker), {invalid_packet, do_format_reply(Mode, raw, 0, Data)}}. do_format_reply(binary, _, N, Data) when N > 0 -> % Header mode @@ -2363,11 +2372,11 @@ alert_user(Transport, Tracker, Socket, Active, Pid, From, Alert, Role, Connectio case ssl_alert:reason_code(Alert, Role) of closed -> send_or_reply(Active, Pid, From, - {ssl_closed, tls_socket:socket(self(), + {ssl_closed, Connection:socket(self(), Transport, Socket, Connection, Tracker)}); ReasonCode -> send_or_reply(Active, Pid, From, - {ssl_error, tls_socket:socket(self(), + {ssl_error, Connection:socket(self(), Transport, Socket, Connection, Tracker), ReasonCode}) end. @@ -2428,16 +2437,23 @@ handle_sni_extension(#sni{hostname = Hostname}, State0) -> undefined -> State0; _ -> - {ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, CRLDbHandle, OwnCert, Key, DHParams} = - ssl_config:init(NewOptions, State0#state.role), - State0#state{ - session = State0#state.session#session{own_certificate = OwnCert}, - file_ref_db = FileRefHandle, - cert_db_ref = Ref, - cert_db = CertDbHandle, - crl_db = CRLDbHandle, - session_cache = CacheHandle, - private_key = Key, + {ok, #{cert_db_ref := Ref, + cert_db_handle := CertDbHandle, + fileref_db_handle := FileRefHandle, + session_cache := CacheHandle, + crl_db_info := CRLDbHandle, + private_key := Key, + dh_params := DHParams, + own_certificate := OwnCert}} = + ssl_config:init(NewOptions, State0#state.role), + State0#state{ + session = State0#state.session#session{own_certificate = OwnCert}, + file_ref_db = FileRefHandle, + cert_db_ref = Ref, + cert_db = CertDbHandle, + crl_db = CRLDbHandle, + session_cache = CacheHandle, + private_key = Key, diffie_hellman_params = DHParams, ssl_options = NewOptions, sni_hostname = Hostname @@ -2459,3 +2475,8 @@ update_ssl_options_from_sni(OrigSSLOptions, SNIHostname) -> _ -> ssl:handle_options(SSLOption, OrigSSLOptions) end. + +new_emulated([], EmOpts) -> + EmOpts; +new_emulated(NewEmOpts, _) -> + NewEmOpts. diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl index c34af9f82c..c10ec3a2d6 100644 --- a/lib/ssl/src/ssl_internal.hrl +++ b/lib/ssl/src/ssl_internal.hrl @@ -76,7 +76,7 @@ -define(ALL_SUPPORTED_VERSIONS, ['tlsv1.2', 'tlsv1.1', tlsv1]). -define(MIN_SUPPORTED_VERSIONS, ['tlsv1.1', tlsv1]). -define(ALL_DATAGRAM_SUPPORTED_VERSIONS, ['dtlsv1.2', dtlsv1]). --define(MIN_DATAGRAM_SUPPORTED_VERSIONS, ['dtlsv1.2', dtlsv1]). +-define(MIN_DATAGRAM_SUPPORTED_VERSIONS, [dtlsv1]). -define('24H_in_msec', 86400000). -define('24H_in_sec', 86400). diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl index 29b15f843f..2b82f18bb5 100644 --- a/lib/ssl/src/ssl_manager.erl +++ b/lib/ssl/src/ssl_manager.erl @@ -107,8 +107,7 @@ start_link_dist(Opts) -> %%-------------------------------------------------------------------- -spec connection_init(binary()| {der, list()}, client | server, {Cb :: atom(), Handle:: term()}) -> - {ok, certdb_ref(), db_handle(), db_handle(), - db_handle(), db_handle(), CRLInfo::term()}. + {ok, map()}. %% %% Description: Do necessary initializations for a new connection. %%-------------------------------------------------------------------- @@ -128,7 +127,7 @@ cache_pem_file(File, DbHandle) -> [Content] -> {ok, Content}; undefined -> - ssl_pem_cache:insert(File) + ssl_pem_cache:insert(File) end. %%-------------------------------------------------------------------- @@ -224,7 +223,7 @@ init([ManagerName, PemCacheName, Opts]) -> CacheCb = proplists:get_value(session_cb, Opts, ssl_session_cache), SessionLifeTime = proplists:get_value(session_lifetime, Opts, ?'24H_in_sec'), - CertDb = ssl_pkix_db:create(), + CertDb = ssl_pkix_db:create(PemCacheName), ClientSessionCache = CacheCb:init([{role, client} | proplists:get_value(session_cb_init_args, Opts, [])]), @@ -261,18 +260,25 @@ init([ManagerName, PemCacheName, 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)}}, - {reply, Result, State#state{certificate_db = Db}}; + {reply, {ok, #{cert_db_ref => Ref, + cert_db_handle => CertDb, + fileref_db_handle => FileRefDb, + pem_cache => PemChace, + session_cache => session_cache(Role, State), + crl_db_info => {CRLCb, crl_db_info(Db, UserCRLDb)}}}, State}; handle_call({{connection_init, Trustedcerts, Role, {CRLCb, UserCRLDb}}, Pid}, _From, #state{certificate_db = [CertDb, FileRefDb, PemChace | _] = Db} = State) -> case add_trusted_certs(Pid, Trustedcerts, Db) of {ok, Ref} -> - {reply, {ok, Ref, CertDb, FileRefDb, PemChace, session_cache(Role, State), - {CRLCb, crl_db_info(Db, UserCRLDb)}}, State}; - {error, _} = Error -> - {reply, Error, State} + {reply, {ok, #{cert_db_ref => Ref, + cert_db_handle => CertDb, + fileref_db_handle => FileRefDb, + pem_cache => PemChace, + session_cache => session_cache(Role, State), + crl_db_info => {CRLCb, crl_db_info(Db, UserCRLDb)}}}, State}; + {error, _} = Error -> + {reply, Error, State} end; handle_call({{insert_crls, Path, CRLs}, _}, _From, diff --git a/lib/ssl/src/ssl_pem_cache.erl b/lib/ssl/src/ssl_pem_cache.erl index 2b31374bcc..f63a301f69 100644 --- a/lib/ssl/src/ssl_pem_cache.erl +++ b/lib/ssl/src/ssl_pem_cache.erl @@ -133,7 +133,7 @@ invalidate_pem(File) -> init([Name]) -> put(ssl_pem_cache, Name), process_flag(trap_exit, true), - PemCache = ssl_pkix_db:create_pem_cache(), + PemCache = ssl_pkix_db:create_pem_cache(Name), Interval = pem_check_interval(), erlang:send_after(Interval, self(), clear_pem_cache), {ok, #state{pem_cache = PemCache, diff --git a/lib/ssl/src/ssl_pkix_db.erl b/lib/ssl/src/ssl_pkix_db.erl index 961a555873..cde05bb16f 100644 --- a/lib/ssl/src/ssl_pkix_db.erl +++ b/lib/ssl/src/ssl_pkix_db.erl @@ -28,7 +28,7 @@ -include_lib("public_key/include/public_key.hrl"). -include_lib("kernel/include/file.hrl"). --export([create/0, create_pem_cache/0, +-export([create/1, create_pem_cache/1, add_crls/3, remove_crls/2, remove/1, add_trusted_certs/3, extract_trusted_certs/1, remove_trusted_certs/2, insert/3, remove/2, clear/1, db_size/1, @@ -40,13 +40,13 @@ %%==================================================================== %%-------------------------------------------------------------------- --spec create() -> [db_handle(),...]. +-spec create(atom()) -> [db_handle(),...]. %% %% Description: Creates a new certificate db. %% Note: lookup_trusted_cert/4 may be called from any process but only %% the process that called create may call the other functions. %%-------------------------------------------------------------------- -create() -> +create(PEMCacheName) -> [%% Let connection process delete trusted certs %% that can only belong to one connection. (Supplied directly %% on DER format to ssl:connect/listen.) @@ -56,14 +56,14 @@ create() -> ets:new(ssl_otp_ca_ref_file_mapping, [set, protected]) }, %% Lookups in named table owned by ssl_pem_cache process - ssl_otp_pem_cache, + PEMCacheName, %% Default cache {ets:new(ssl_otp_crl_cache, [set, protected]), ets:new(ssl_otp_crl_issuer_mapping, [bag, protected])} ]. -create_pem_cache() -> - ets:new(ssl_otp_pem_cache, [named_table, set, protected]). +create_pem_cache(Name) -> + ets:new(Name, [named_table, set, protected]). %%-------------------------------------------------------------------- -spec remove([db_handle()]) -> ok. @@ -76,7 +76,9 @@ remove(Dbs) -> true = ets:delete(Db1); (undefined) -> ok; - (ssl_otp_pem_cache) -> + (ssl_pem_cache) -> + ok; + (ssl_pem_cache_dist) -> ok; (Db) -> true = ets:delete(Db) @@ -341,3 +343,4 @@ crl_issuer(DerCRL) -> CRL = public_key:der_decode('CertificateList', DerCRL), TBSCRL = CRL#'CertificateList'.tbsCertList, TBSCRL#'TBSCertList'.issuer. + diff --git a/lib/ssl/src/ssl_record.erl b/lib/ssl/src/ssl_record.erl index b10069c3cb..539e189c4f 100644 --- a/lib/ssl/src/ssl_record.erl +++ b/lib/ssl/src/ssl_record.erl @@ -67,7 +67,7 @@ connection_state(). %% %% Description: Returns the instance of the connection_state map -%% that is currently defined as the current conection state. +%% that is currently defined as the current connection state. %%-------------------------------------------------------------------- current_connection_state(ConnectionStates, read) -> maps:get(current_read, ConnectionStates); @@ -79,7 +79,7 @@ current_connection_state(ConnectionStates, write) -> connection_state(). %% %% Description: Returns the instance of the connection_state map -%% that is pendingly defined as the pending conection state. +%% that is pendingly defined as the pending connection state. %%-------------------------------------------------------------------- pending_connection_state(ConnectionStates, read) -> maps:get(pending_read, ConnectionStates); diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl index 77606911be..c6e530e164 100644 --- a/lib/ssl/src/tls_connection.erl +++ b/lib/ssl/src/tls_connection.erl @@ -48,7 +48,7 @@ -export([encode_data/3, encode_alert/3]). %% State transition handling --export([next_record/1, next_event/3]). +-export([next_record/1, next_event/3, next_event/4]). %% Handshake handling -export([renegotiate/2, send_handshake/2, @@ -59,7 +59,8 @@ -export([send_alert/2, close/5]). %% Data handling --export([passive_receive/2, next_record_if_active/1, handle_common_event/4, send/3]). +-export([passive_receive/2, next_record_if_active/1, handle_common_event/4, send/3, + socket/5]). %% gen_statem state functions -export([init/3, error/3, downgrade/3, %% Initiation and take down states @@ -117,7 +118,7 @@ send_handshake_flight(#state{socket = Socket, transport_cb = Transport, flight_buffer = Flight} = State0) -> send(Transport, Socket, Flight), - State0#state{flight_buffer = []}. + {State0#state{flight_buffer = []}, []}. queue_change_cipher(Msg, #state{negotiated_version = Version, flight_buffer = Flight0, @@ -191,6 +192,10 @@ init([Role, Host, Port, Socket, Options, User, CbInfo]) -> callback_mode() -> state_functions. +socket(Pid, Transport, Socket, Connection, Tracker) -> + tls_socket:socket(Pid, Transport, Socket, Connection, Tracker). + + %%-------------------------------------------------------------------- %% State functions %%-------------------------------------------------------------------- @@ -340,12 +345,12 @@ connection(internal, #hello_request{}, renegotiation = {Renegotiation, _}} = State0) -> Hello = tls_handshake:client_hello(Host, Port, ConnectionStates0, SslOpts, Cache, CacheCb, Renegotiation, Cert), - State1 = send_handshake(Hello, State0), + {State1, Actions} = send_handshake(Hello, State0), {Record, State} = next_record( State1#state{session = Session0#session{session_id = Hello#client_hello.session_id}}), - next_event(hello, Record, State); + next_event(hello, Record, State, Actions); connection(internal, #client_hello{} = Hello, #state{role = server, allow_renegotiate = true} = State0) -> %% Mitigate Computational DoS attack diff --git a/lib/ssl/src/tls_handshake.erl b/lib/ssl/src/tls_handshake.erl index 2800ee6537..5726561865 100644 --- a/lib/ssl/src/tls_handshake.erl +++ b/lib/ssl/src/tls_handshake.erl @@ -88,7 +88,7 @@ client_hello(Host, Port, ConnectionStates, #hello_extensions{}, {ssl_cipher:hash(), ssl_cipher:sign_algo()} | undefined} | #alert{}. %% -%% Description: Handles a recieved hello message +%% Description: Handles a received hello message %%-------------------------------------------------------------------- hello(#server_hello{server_version = Version, random = Random, cipher_suite = CipherSuite, @@ -192,7 +192,8 @@ handle_client_hello(Version, #client_hello{session_id = SugesstedId, end. get_tls_handshake_aux(Version, <<?BYTE(Type), ?UINT24(Length), - Body:Length/binary,Rest/binary>>, #ssl_options{v2_hello_compatible = V2Hello} = Opts, Acc) -> + Body:Length/binary,Rest/binary>>, + #ssl_options{v2_hello_compatible = V2Hello} = Opts, Acc) -> Raw = <<?BYTE(Type), ?UINT24(Length), Body/binary>>, try decode_handshake(Version, Type, Body, V2Hello) of Handshake -> @@ -207,27 +208,17 @@ get_tls_handshake_aux(_Version, Data, _, Acc) -> decode_handshake(_, ?HELLO_REQUEST, <<>>, _) -> #hello_request{}; -%% Client hello v2. -%% The server must be able to receive such messages, from clients that -%% are willing to use ssl v3 or higher, but have ssl v2 compatibility. -decode_handshake(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), - ?UINT16(CSLength), ?UINT16(0), - ?UINT16(CDLength), - CipherSuites:CSLength/binary, - ChallengeData:CDLength/binary>>, true) -> - #client_hello{client_version = {Major, Minor}, - random = ssl_v2:client_random(ChallengeData, CDLength), - session_id = 0, - cipher_suites = ssl_handshake:decode_suites('3_bytes', CipherSuites), - compression_methods = [?NULL], - extensions = #hello_extensions{} - }; -decode_handshake(_Version, ?CLIENT_HELLO, <<?BYTE(_), ?BYTE(_), - ?UINT16(CSLength), ?UINT16(0), - ?UINT16(CDLength), - _CipherSuites:CSLength/binary, - _ChallengeData:CDLength/binary>>, false) -> - throw(?ALERT_REC(?FATAL, ?PROTOCOL_VERSION, ssl_v2_client_hello_no_supported)); +decode_handshake(_Version, ?CLIENT_HELLO, Bin, true) -> + try decode_hello(Bin) of + Hello -> + Hello + catch + _:_ -> + decode_v2_hello(Bin) + end; +decode_handshake(_Version, ?CLIENT_HELLO, Bin, false) -> + decode_hello(Bin); + decode_handshake(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary, ?BYTE(SID_length), Session_ID:SID_length/binary, ?UINT16(Cs_length), CipherSuites:Cs_length/binary, @@ -244,10 +235,40 @@ decode_handshake(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:3 compression_methods = Comp_methods, extensions = DecodedExtensions }; - decode_handshake(Version, Tag, Msg, _) -> ssl_handshake:decode_handshake(Version, Tag, Msg). + +decode_hello(<<?BYTE(Major), ?BYTE(Minor), Random:32/binary, + ?BYTE(SID_length), Session_ID:SID_length/binary, + ?UINT16(Cs_length), CipherSuites:Cs_length/binary, + ?BYTE(Cm_length), Comp_methods:Cm_length/binary, + Extensions/binary>>) -> + DecodedExtensions = ssl_handshake:decode_hello_extensions({client, Extensions}), + + #client_hello{ + client_version = {Major,Minor}, + random = Random, + session_id = Session_ID, + cipher_suites = ssl_handshake:decode_suites('2_bytes', CipherSuites), + compression_methods = Comp_methods, + extensions = DecodedExtensions + }. +%% The server must be able to receive such messages, from clients that +%% are willing to use ssl v3 or higher, but have ssl v2 compatibility. +decode_v2_hello(<<?BYTE(Major), ?BYTE(Minor), + ?UINT16(CSLength), ?UINT16(0), + ?UINT16(CDLength), + CipherSuites:CSLength/binary, + ChallengeData:CDLength/binary>>) -> + #client_hello{client_version = {Major, Minor}, + random = ssl_v2:client_random(ChallengeData, CDLength), + session_id = 0, + cipher_suites = ssl_handshake:decode_suites('3_bytes', CipherSuites), + compression_methods = [?NULL], + extensions = #hello_extensions{} + }. + enc_handshake(#hello_request{}, _Version) -> {?HELLO_REQUEST, <<>>}; enc_handshake(#client_hello{client_version = {Major, Minor}, diff --git a/lib/ssl/src/tls_v1.erl b/lib/ssl/src/tls_v1.erl index 7f24ce5192..f52ee06e71 100644 --- a/lib/ssl/src/tls_v1.erl +++ b/lib/ssl/src/tls_v1.erl @@ -204,21 +204,21 @@ suites(Minor) when Minor == 1; Minor == 2 -> ?TLS_ECDH_RSA_WITH_AES_256_CBC_SHA, ?TLS_RSA_WITH_AES_256_CBC_SHA, - ?TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA, - ?TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_RSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, ?TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, ?TLS_DHE_RSA_WITH_AES_128_CBC_SHA, ?TLS_DHE_DSS_WITH_AES_128_CBC_SHA, ?TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA, ?TLS_ECDH_RSA_WITH_AES_128_CBC_SHA, - ?TLS_RSA_WITH_AES_128_CBC_SHA + ?TLS_RSA_WITH_AES_128_CBC_SHA, + + ?TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA, + ?TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, + ?TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA, + ?TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA, + ?TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA, + ?TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA, + ?TLS_RSA_WITH_3DES_EDE_CBC_SHA ]; suites(3) -> [ @@ -407,7 +407,7 @@ is_pair(Hash, rsa, Hashs) -> AtLeastMd5 = Hashs -- [md2,md4], lists:member(Hash, AtLeastMd5). -%% list ECC curves in prefered order +%% list ECC curves in preferred order -spec ecc_curves(1..3 | all) -> [named_curve()]. ecc_curves(all) -> [sect571r1,sect571k1,secp521r1,brainpoolP512r1, |