diff options
Diffstat (limited to 'lib/ssl/src')
-rw-r--r-- | lib/ssl/src/inet_ssl_dist.erl | 29 | ||||
-rw-r--r-- | lib/ssl/src/ssl.appup.src | 6 | ||||
-rw-r--r-- | lib/ssl/src/ssl.erl | 51 | ||||
-rw-r--r-- | lib/ssl/src/ssl_certificate.erl | 1 | ||||
-rw-r--r-- | lib/ssl/src/ssl_certificate_db.erl | 58 | ||||
-rw-r--r-- | lib/ssl/src/ssl_cipher.erl | 1 | ||||
-rw-r--r-- | lib/ssl/src/ssl_connection.erl | 97 | ||||
-rw-r--r-- | lib/ssl/src/ssl_handshake.erl | 27 | ||||
-rw-r--r-- | lib/ssl/src/ssl_handshake.hrl | 8 | ||||
-rw-r--r-- | lib/ssl/src/ssl_internal.hrl | 43 | ||||
-rw-r--r-- | lib/ssl/src/ssl_manager.erl | 89 | ||||
-rw-r--r-- | lib/ssl/src/ssl_record.erl | 1 | ||||
-rw-r--r-- | lib/ssl/src/ssl_session.erl | 30 | ||||
-rw-r--r-- | lib/ssl/src/ssl_ssl3.erl | 6 | ||||
-rw-r--r-- | lib/ssl/src/ssl_tls1.erl | 6 |
15 files changed, 281 insertions, 172 deletions
diff --git a/lib/ssl/src/inet_ssl_dist.erl b/lib/ssl/src/inet_ssl_dist.erl index f62aefd35a..6c0fbc0618 100644 --- a/lib/ssl/src/inet_ssl_dist.erl +++ b/lib/ssl/src/inet_ssl_dist.erl @@ -1,8 +1,8 @@ -%%<copyright> -%% <year>2000-2008</year> -%% <holder>Ericsson AB, All Rights Reserved</holder> -%%</copyright> -%%<legalnotice> +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2000-2011. All Rights Reserved. +%% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in %% compliance with the License. You should have received a copy of the @@ -14,8 +14,9 @@ %% the License for the specific language governing rights and limitations %% under the License. %% -%% The Initial Developer of the Original Code is Ericsson AB. -%%</legalnotice> +%% %CopyrightEnd% +%% + %% -module(inet_ssl_dist). @@ -135,6 +136,9 @@ accept_connection(AcceptPid, Socket, MyNode, Allowed, SetupTime) -> [self(), AcceptPid, Socket, MyNode, Allowed, SetupTime]). +%% Suppress dialyzer warning, we do not really care about old ssl code +%% as we intend to remove it. +-spec(do_accept(_,_,_,_,_,_) -> no_return()). do_accept(Kernel, AcceptPid, Socket, MyNode, Allowed, SetupTime) -> process_flag(priority, max), receive @@ -167,8 +171,8 @@ do_accept(Kernel, AcceptPid, Socket, MyNode, Allowed, SetupTime) -> ssl_prim:getll(S) end, f_address = fun get_remote_id/2, - mf_tick = {?MODULE, tick}, - mf_getstat = {?MODULE,getstat} + mf_tick = fun ?MODULE:tick/1, + mf_getstat = fun ?MODULE:getstat/1 }, dist_util:handshake_other_started(HSData); {false,IP} -> @@ -204,6 +208,9 @@ setup(Node, Type, MyNode, LongOrShortNames,SetupTime) -> LongOrShortNames, SetupTime]). +%% Suppress dialyzer warning, we do not really care about old ssl code +%% as we intend to remove it. +-spec(do_setup(_,_,_,_,_,_) -> no_return()). do_setup(Kernel, Node, Type, MyNode, LongOrShortNames,SetupTime) -> process_flag(priority, max), ?trace("~p~n",[{inet_ssl_dist,self(),setup,Node}]), @@ -258,8 +265,8 @@ do_setup(Kernel, Node, Type, MyNode, LongOrShortNames,SetupTime) -> protocol = ssl, family = inet} end, - mf_tick = {?MODULE, tick}, - mf_getstat = {?MODULE,getstat}, + mf_tick = fun ?MODULE:tick/1, + mf_getstat = fun ?MODULE:getstat/1, request_type = Type }, dist_util:handshake_we_started(HSData); diff --git a/lib/ssl/src/ssl.appup.src b/lib/ssl/src/ssl.appup.src index f4e6b59b6d..e6a8c557fc 100644 --- a/lib/ssl/src/ssl.appup.src +++ b/lib/ssl/src/ssl.appup.src @@ -1,9 +1,15 @@ %% -*- erlang -*- {"%VSN%", [ + {"4.1.2", [{restart_application, ssl}]}, + {"4.1.1", [{restart_application, ssl}]}, + {"4.1", [{restart_application, ssl}]}, {"4.0.1", [{restart_application, ssl}]} ], [ + {"4.1.2", [{restart_application, ssl}]}, + {"4.1.1", [{restart_application, ssl}]}, + {"4.1", [{restart_application, ssl}]}, {"4.0.1", [{restart_application, ssl}]} ]}. diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index 7e5929d708..b85188b878 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2010. All Rights Reserved. +%% Copyright Ericsson AB 1999-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -49,10 +49,31 @@ inet_ssl, %% inet options for internal ssl socket cb %% Callback info }). +-type option() :: socketoption() | ssloption() | transportoption(). +-type socketoption() :: [{property(), term()}]. %% See gen_tcp and inet +-type property() :: atom(). + +-type ssloption() :: {verify, verify_type()} | + {verify_fun, {fun(), InitialUserState::term()}} | + {fail_if_no_peer_cert, boolean()} | {depth, integer()} | + {cert, der_encoded()} | {certfile, path()} | {key, der_encoded()} | + {keyfile, path()} | {password, string()} | {cacerts, [der_encoded()]} | + {cacertfile, path()} | {dh, der_encoded()} | {dhfile, path()} | + {ciphers, ciphers()} | {ssl_imp, ssl_imp()} | {reuse_sessions, boolean()} | + {reuse_session, fun()}. + +-type verify_type() :: verify_none | verify_peer. +-type path() :: string(). +-type ciphers() :: [erl_cipher_suite()] | + string(). % (according to old API) +-type ssl_imp() :: new | old. + +-type transportoption() :: {CallbackModule::atom(), DataTag::atom(), ClosedTag::atom()}. + %%-------------------------------------------------------------------- --spec start() -> ok. --spec start(permanent | transient | temporary) -> ok. +-spec start() -> ok | {error, reason()}. +-spec start(permanent | transient | temporary) -> ok | {error, reason()}. %% %% Description: Utility function that starts the ssl, %% crypto and public_key applications. Default type @@ -77,9 +98,12 @@ stop() -> application:stop(ssl). %%-------------------------------------------------------------------- --spec connect(host() | port(), list()) -> {ok, #sslsocket{}}. --spec connect(host() | port(), list() | port_num(), timeout() | list()) -> {ok, #sslsocket{}}. --spec connect(host() | port(), port_num(), list(), timeout()) -> {ok, #sslsocket{}}. +-spec connect(host() | port(), [option()]) -> {ok, #sslsocket{}} | + {error, reason()}. +-spec connect(host() | port(), [option()] | port_num(), timeout() | list()) -> + {ok, #sslsocket{}} | {error, reason()}. +-spec connect(host() | port(), port_num(), list(), timeout()) -> + {ok, #sslsocket{}} | {error, reason()}. %% %% Description: Connect to a ssl server. @@ -126,7 +150,7 @@ connect(Host, Port, Options0, Timeout) -> end. %%-------------------------------------------------------------------- --spec listen(port_num(), list()) ->{ok, #sslsocket{}} | {error, reason()}. +-spec listen(port_num(), [option()]) ->{ok, #sslsocket{}} | {error, reason()}. %% %% Description: Creates a ssl listen socket. @@ -150,8 +174,10 @@ listen(Port, Options0) -> end. %%-------------------------------------------------------------------- --spec transport_accept(#sslsocket{}) -> {ok, #sslsocket{}}. --spec transport_accept(#sslsocket{}, timeout()) -> {ok, #sslsocket{}}. +-spec transport_accept(#sslsocket{}) -> {ok, #sslsocket{}} | + {error, reason()}. +-spec transport_accept(#sslsocket{}, timeout()) -> {ok, #sslsocket{}} | + {error, reason()}. %% %% Description: Performs transport accept on a ssl listen socket %%-------------------------------------------------------------------- @@ -189,9 +215,10 @@ transport_accept(#sslsocket{} = ListenSocket, Timeout) -> ssl_broker:transport_accept(Pid, ListenSocket, Timeout). %%-------------------------------------------------------------------- --spec ssl_accept(#sslsocket{}) -> {ok, #sslsocket{}} | {error, reason()}. --spec ssl_accept(#sslsocket{}, list() | timeout()) -> {ok, #sslsocket{}} | {error, reason()}. --spec ssl_accept(port(), list(), timeout()) -> {ok, #sslsocket{}} | {error, reason()}. +-spec ssl_accept(#sslsocket{}) -> ok | {error, reason()}. +-spec ssl_accept(#sslsocket{} | port(), timeout()| [option()]) -> + ok | {ok, #sslsocket{}} | {error, reason()}. +-spec ssl_accept(port(), [option()], timeout()) -> {ok, #sslsocket{}} | {error, reason()}. %% %% Description: Performs accept on a ssl listen socket. e.i. performs %% ssl handshake. diff --git a/lib/ssl/src/ssl_certificate.erl b/lib/ssl/src/ssl_certificate.erl index 5571fb01f6..8c0c2bfa5d 100644 --- a/lib/ssl/src/ssl_certificate.erl +++ b/lib/ssl/src/ssl_certificate.erl @@ -28,7 +28,6 @@ -include("ssl_handshake.hrl"). -include("ssl_alert.hrl"). -include("ssl_internal.hrl"). --include("ssl_debug.hrl"). -include_lib("public_key/include/public_key.hrl"). -export([trusted_cert_and_path/2, diff --git a/lib/ssl/src/ssl_certificate_db.erl b/lib/ssl/src/ssl_certificate_db.erl index 2a5a7f3394..3eceefa304 100644 --- a/lib/ssl/src/ssl_certificate_db.erl +++ b/lib/ssl/src/ssl_certificate_db.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2010. All Rights Reserved. +%% Copyright Ericsson AB 2007-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -27,7 +27,9 @@ -export([create/0, remove/1, add_trusted_certs/3, remove_trusted_certs/2, lookup_trusted_cert/3, issuer_candidate/1, - lookup_cached_certs/1, cache_pem_file/3]). + lookup_cached_certs/1, cache_pem_file/4, uncache_pem_file/2, lookup/2]). + +-type time() :: {non_neg_integer(), non_neg_integer(), non_neg_integer()}. %%==================================================================== %% Internal application API @@ -98,17 +100,35 @@ add_trusted_certs(Pid, File, [CertsDb, FileToRefDb, PidToFileDb]) -> insert(Pid, File, PidToFileDb), {ok, Ref}. %%-------------------------------------------------------------------- --spec cache_pem_file(pid(), string(), certdb_ref()) -> term(). +-spec cache_pem_file(pid(), string(), time(), certdb_ref()) -> term(). %% %% Description: Cache file as binary in DB %%-------------------------------------------------------------------- -cache_pem_file(Pid, File, [CertsDb, _FileToRefDb, PidToFileDb]) -> +cache_pem_file(Pid, File, Time, [CertsDb, _FileToRefDb, PidToFileDb]) -> {ok, PemBin} = file:read_file(File), Content = public_key:pem_decode(PemBin), - insert({file, File}, Content, CertsDb), + insert({file, File}, {Time, Content}, CertsDb), insert(Pid, File, PidToFileDb), {ok, Content}. +%-------------------------------------------------------------------- +-spec uncache_pem_file(string(), certdb_ref()) -> no_return(). +%% +%% Description: If a cached file is no longer valid (changed on disk) +%% we must terminate the connections using the old file content, and +%% when those processes are finish the cache will be cleaned. It is +%% a rare but possible case a new ssl client/server is started with +%% a filename with the same name as previously started client/server +%% but with different content. +%% -------------------------------------------------------------------- +uncache_pem_file(File, [_CertsDb, _FileToRefDb, PidToFileDb]) -> + Pids = select(PidToFileDb, [{{'$1', File},[],['$$']}]), + lists:foreach(fun([Pid]) -> + exit(Pid, shutdown) + end, Pids). + + + %%-------------------------------------------------------------------- -spec remove_trusted_certs(pid(), certdb_ref()) -> term(). @@ -174,6 +194,22 @@ issuer_candidate(PrevCandidateKey) -> end. %%-------------------------------------------------------------------- +-spec lookup(term(), term()) -> term() | undefined. +%% +%% Description: Looks up an element in a certificat <Db>. +%%-------------------------------------------------------------------- +lookup(Key, Db) -> + case ets:lookup(Db, Key) of + [] -> + undefined; + Contents -> + Pick = fun({_, Data}) -> Data; + ({_,_,Data}) -> Data + end, + [Pick(Data) || Data <- Contents] + end. + +%%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- certificate_db_name() -> @@ -191,16 +227,8 @@ ref_count(Key, Db,N) -> delete(Key, Db) -> _ = ets:delete(Db, Key). -lookup(Key, Db) -> - case ets:lookup(Db, Key) of - [] -> - undefined; - Contents -> - Pick = fun({_, Data}) -> Data; - ({_,_,Data}) -> Data - end, - [Pick(Data) || Data <- Contents] - end. +select(Db, MatchSpec)-> + ets:select(Db, MatchSpec). remove_certs(Ref, CertsDb) -> ets:match_delete(CertsDb, {{Ref, '_', '_'}, '_'}). diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl index 1c8bbbaf06..72f02a4362 100644 --- a/lib/ssl/src/ssl_cipher.erl +++ b/lib/ssl/src/ssl_cipher.erl @@ -29,7 +29,6 @@ -include("ssl_record.hrl"). -include("ssl_cipher.hrl"). -include("ssl_alert.hrl"). --include("ssl_debug.hrl"). -include_lib("public_key/include/public_key.hrl"). -export([security_parameters/2, suite_definition/1, diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index ce90d22c09..85245f4342 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2010. All Rights Reserved. +%% Copyright Ericsson AB 2007-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -29,7 +29,6 @@ -behaviour(gen_fsm). --include("ssl_debug.hrl"). -include("ssl_handshake.hrl"). -include("ssl_alert.hrl"). -include("ssl_record.hrl"). @@ -71,7 +70,6 @@ %% {{md5_hash, sha_hash}, {prev_md5, prev_sha}} (binary()) tls_handshake_hashes, % see above tls_cipher_texts, % list() received but not deciphered yet - own_cert, % binary() session, % #session{} from ssl_handshake.hrl session_cache, % session_cache_cb, % @@ -91,7 +89,8 @@ log_alert, % boolean() renegotiation, % {boolean(), From | internal | peer} recv_during_renegotiation, %boolean() - send_queue % queue() + send_queue, % queue() + terminated = false % }). -define(DEFAULT_DIFFIE_HELLMAN_PARAMS, @@ -305,8 +304,9 @@ init([Role, Host, Port, Socket, {SSLOpts0, _} = Options, try ssl_init(SSLOpts0, Role) of {ok, Ref, CacheRef, OwnCert, Key, DHParams} -> + Session = State0#state.session, State = State0#state{tls_handshake_hashes = Hashes0, - own_cert = OwnCert, + session = Session#session{own_certificate = OwnCert}, cert_db_ref = Ref, session_cache = CacheRef, private_key = Key, @@ -332,14 +332,13 @@ init([Role, Host, Port, Socket, {SSLOpts0, _} = Options, %%-------------------------------------------------------------------- hello(start, #state{host = Host, port = Port, role = client, ssl_options = SslOpts, + session = #session{own_certificate = Cert} = Session0, transport_cb = Transport, socket = Socket, connection_states = ConnectionStates, - renegotiation = {Renegotiation, _}} - = State0) -> - + renegotiation = {Renegotiation, _}} = State0) -> Hello = ssl_handshake:client_hello(Host, Port, ConnectionStates, - SslOpts, Renegotiation), + SslOpts, Renegotiation, Cert), Version = Hello#client_hello.client_version, Hashes0 = ssl_handshake:init_hashes(), @@ -348,13 +347,13 @@ hello(start, #state{host = Host, port = Port, role = client, Transport:send(Socket, BinMsg), State1 = State0#state{connection_states = CS2, negotiated_version = Version, %% Requested version - session = - #session{session_id = Hello#client_hello.session_id, - is_resumable = false}, + session = + Session0#session{session_id = Hello#client_hello.session_id, + is_resumable = false}, tls_handshake_hashes = Hashes1}, {Record, State} = next_record(State1), next_state(hello, Record, State); - + hello(start, #state{role = server} = State0) -> {Record, State} = next_record(State0), next_state(hello, Record, State); @@ -371,7 +370,6 @@ hello(#server_hello{cipher_suite = CipherSuite, negotiated_version = ReqVersion, renegotiation = {Renegotiation, _}, ssl_options = SslOptions} = State0) -> - case ssl_handshake:hello(Hello, SslOptions, ConnectionStates0, Renegotiation) of {Version, NewId, ConnectionStates} -> {KeyAlgorithm, _, _} = @@ -397,13 +395,11 @@ hello(#server_hello{cipher_suite = CipherSuite, hello(Hello = #client_hello{client_version = ClientVersion}, State = #state{connection_states = ConnectionStates0, - port = Port, session = Session0, + port = Port, session = #session{own_certificate = Cert} = Session0, renegotiation = {Renegotiation, _}, session_cache = Cache, session_cache_cb = CacheCb, - ssl_options = SslOpts, - own_cert = Cert}) -> - + ssl_options = SslOpts}) -> case ssl_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb, ConnectionStates0, Cert}, Renegotiation) of {Version, {Type, Session}, ConnectionStates} -> @@ -537,7 +533,7 @@ certify(#server_hello_done{}, connection_states = ConnectionStates0, negotiated_version = Version, premaster_secret = undefined, - role = client} = State0) -> + role = client} = State0) -> case ssl_handshake:master_secret(Version, Session, ConnectionStates0, client) of {MasterSecret, ConnectionStates1} -> @@ -614,7 +610,6 @@ certify_client_key_exchange(#client_diffie_hellman_public{dh_public = ClientPubl diffie_hellman_params = #'DHParameter'{prime = P, base = G}, diffie_hellman_keys = {_, ServerDhPrivateKey}} = State0) -> - case dh_master_secret(crypto:mpint(P), crypto:mpint(G), ClientPublicDhKey, ServerDhPrivateKey, State0) of #state{} = State1 -> {Record, State} = next_record(State1), @@ -657,8 +652,7 @@ cipher(#finished{verify_data = Data} = Finished, role = Role, session = #session{master_secret = MasterSecret} = Session0, - tls_handshake_hashes = Hashes0} = State) -> - + tls_handshake_hashes = Hashes0} = State) -> case ssl_handshake:verify_connection(Version, Finished, opposite_role(Role), MasterSecret, Hashes0) of @@ -679,15 +673,15 @@ cipher(Msg, State) -> %%-------------------------------------------------------------------- connection(#hello_request{}, #state{host = Host, port = Port, socket = Socket, + session = #session{own_certificate = Cert}, ssl_options = SslOpts, negotiated_version = Version, transport_cb = Transport, connection_states = ConnectionStates0, renegotiation = {Renegotiation, _}, tls_handshake_hashes = Hashes0} = State0) -> - Hello = ssl_handshake:client_hello(Host, Port, ConnectionStates0, - SslOpts, Renegotiation), + SslOpts, Renegotiation, Cert), {BinMsg, ConnectionStates1, Hashes1} = encode_handshake(Hello, Version, ConnectionStates0, Hashes0), @@ -778,8 +772,12 @@ handle_sync_event(start, _, connection, State) -> handle_sync_event(start, From, StateName, State) -> {next_state, StateName, State#state{from = From}}; -handle_sync_event(close, _, _StateName, State) -> - {stop, normal, ok, State}; +handle_sync_event(close, _, StateName, State) -> + %% Run terminate before returning + %% so that the reuseaddr inet-option will work + %% as intended. + (catch terminate(user_close, StateName, State)), + {stop, normal, ok, State#state{terminated = true}}; handle_sync_event({shutdown, How0}, _, StateName, #state{transport_cb = Transport, @@ -967,6 +965,11 @@ handle_info(Msg, StateName, State) -> %% necessary cleaning up. When it returns, the gen_fsm terminates with %% Reason. The return value is ignored. %%-------------------------------------------------------------------- +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. + ok; terminate(Reason, connection, #state{negotiated_version = Version, connection_states = ConnectionStates, transport_cb = Transport, @@ -976,14 +979,14 @@ terminate(Reason, connection, #state{negotiated_version = Version, notify_renegotiater(Renegotiate), BinAlert = terminate_alert(Reason, Version, ConnectionStates), Transport:send(Socket, BinAlert), - workaround_transport_delivery_problems(Socket, Transport), + workaround_transport_delivery_problems(Socket, Transport, Reason), Transport:close(Socket); -terminate(_Reason, _StateName, #state{transport_cb = Transport, +terminate(Reason, _StateName, #state{transport_cb = Transport, socket = Socket, send_queue = SendQueue, renegotiation = Renegotiate}) -> notify_senders(SendQueue), notify_renegotiater(Renegotiate), - workaround_transport_delivery_problems(Socket, Transport), + workaround_transport_delivery_problems(Socket, Transport, Reason), Transport:close(Socket). %%-------------------------------------------------------------------- @@ -1083,12 +1086,13 @@ init_private_key({rsa, PrivateKey}, _, _,_) -> init_private_key({dsa, PrivateKey},_,_,_) -> public_key:der_decode('DSAPrivateKey', PrivateKey). +-spec(handle_file_error(_,_,_,_,_,_) -> no_return()). handle_file_error(Line, Error, {badmatch, Reason}, File, Throw, Stack) -> file_error(Line, Error, Reason, File, Throw, Stack); handle_file_error(Line, Error, Reason, File, Throw, Stack) -> file_error(Line, Error, Reason, File, Throw, Stack). --spec(file_error/6 :: (_,_,_,_,_,_) -> no_return()). +-spec(file_error(_,_,_,_,_,_) -> no_return()). file_error(Line, Error, Reason, File, Throw, Stack) -> Report = io_lib:format("SSL: ~p: ~p:~p ~s~n ~p~n", [Line, Error, Reason, File, Stack]), @@ -1148,7 +1152,7 @@ certify_client(#state{client_certificate_requested = true, role = client, transport_cb = Transport, negotiated_version = Version, cert_db_ref = CertDbRef, - own_cert = OwnCert, + session = #session{own_certificate = OwnCert}, socket = Socket, tls_handshake_hashes = Hashes0} = State) -> Certificate = ssl_handshake:certificate(OwnCert, CertDbRef, client), @@ -1164,10 +1168,10 @@ verify_client_cert(#state{client_certificate_requested = true, role = client, connection_states = ConnectionStates0, transport_cb = Transport, negotiated_version = Version, - own_cert = OwnCert, socket = Socket, private_key = PrivateKey, - session = #session{master_secret = MasterSecret}, + session = #session{master_secret = MasterSecret, + own_certificate = OwnCert}, tls_handshake_hashes = Hashes0} = State) -> case ssl_handshake:client_certificate_verify(OwnCert, MasterSecret, @@ -1333,7 +1337,7 @@ certify_server(#state{transport_cb = Transport, connection_states = ConnectionStates, tls_handshake_hashes = Hashes, cert_db_ref = CertDbRef, - own_cert = OwnCert} = State) -> + session = #session{own_certificate = OwnCert}} = State) -> case ssl_handshake:certificate(OwnCert, CertDbRef, server) of CertMsg = #certificate{} -> {BinCertMsg, NewConnectionStates, NewHashes} = @@ -1360,7 +1364,6 @@ key_exchange(#state{role = server, key_algorithm = Algo, when Algo == dhe_dss; Algo == dhe_rsa; Algo == dh_anon -> - Keys = crypto:dh_generate_key([crypto:mpint(P), crypto:mpint(G)]), ConnectionState = ssl_record:pending_connection_state(ConnectionStates0, read), @@ -1409,8 +1412,6 @@ key_exchange(#state{role = client, State#state{connection_states = ConnectionStates1, tls_handshake_hashes = Hashes1}. --spec(rsa_key_exchange/2 :: (_,_) -> no_return()). - rsa_key_exchange(PremasterSecret, PublicKeyInfo = {Algorithm, _, _}) when Algorithm == ?rsaEncryption; Algorithm == ?md2WithRSAEncryption; @@ -1912,14 +1913,22 @@ next_state_connection(StateName, #state{send_queue = Queue0, next_state_is_connection(State) end. +%% In next_state_is_connection/1: clear tls_handshake_hashes, +%% premaster_secret and public_key_info (only needed during handshake) +%% to reduce memory foot print of a connection. next_state_is_connection(State = #state{recv_during_renegotiation = true, socket_options = #socket_options{active = false}}) -> - passive_receive(State#state{recv_during_renegotiation = false}, connection); + passive_receive(State#state{recv_during_renegotiation = false, + premaster_secret = undefined, + public_key_info = undefined, + tls_handshake_hashes = {<<>>, <<>>}}, connection); next_state_is_connection(State0) -> {Record, State} = next_record_if_active(State0), - next_state(connection, Record, State). + next_state(connection, Record, State#state{premaster_secret = undefined, + public_key_info = undefined, + tls_handshake_hashes = {<<>>, <<>>}}). register_session(_, _, _, #session{is_resumable = true} = Session) -> Session; %% Already registered @@ -2186,7 +2195,8 @@ notify_renegotiater({true, From}) when not is_atom(From) -> notify_renegotiater(_) -> ok. -terminate_alert(Reason, Version, ConnectionStates) when Reason == normal; Reason == shutdown -> +terminate_alert(Reason, Version, ConnectionStates) when Reason == normal; Reason == shutdown; + Reason == user_close -> {BinAlert, _} = encode_alert(?ALERT_REC(?WARNING, ?CLOSE_NOTIFY), Version, ConnectionStates), BinAlert; @@ -2195,10 +2205,13 @@ terminate_alert(_, Version, ConnectionStates) -> Version, ConnectionStates), BinAlert. -workaround_transport_delivery_problems(Socket, Transport) -> +workaround_transport_delivery_problems(_,_, user_close) -> + ok; +workaround_transport_delivery_problems(Socket, Transport, _) -> %% Standard trick to try to make sure all %% data sent to to tcp port is really sent - %% before tcp port is closed. + %% before tcp port is closed so that the peer will + %% get a correct error message. inet:setopts(Socket, [{active, false}]), Transport:shutdown(Socket, write), Transport:recv(Socket, 0). diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl index 7082a23fd0..1f4c44d115 100644 --- a/lib/ssl/src/ssl_handshake.erl +++ b/lib/ssl/src/ssl_handshake.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2010. All Rights Reserved. +%% Copyright Ericsson AB 2007-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -28,10 +28,9 @@ -include("ssl_cipher.hrl"). -include("ssl_alert.hrl"). -include("ssl_internal.hrl"). --include("ssl_debug.hrl"). -include_lib("public_key/include/public_key.hrl"). --export([master_secret/4, client_hello/5, server_hello/4, hello/4, +-export([master_secret/4, client_hello/6, server_hello/4, hello/4, hello_request/0, certify/6, certificate/3, client_certificate_verify/5, certificate_verify/5, certificate_request/2, key_exchange/2, server_key_exchange_hash/2, @@ -50,13 +49,13 @@ %%==================================================================== %%-------------------------------------------------------------------- -spec client_hello(host(), port_num(), #connection_states{}, - #ssl_options{}, boolean()) -> #client_hello{}. + #ssl_options{}, boolean(), der_cert()) -> #client_hello{}. %% %% Description: Creates a client hello message. %%-------------------------------------------------------------------- client_hello(Host, Port, ConnectionStates, #ssl_options{versions = Versions, ciphers = UserSuites} - = SslOpts, Renegotiation) -> + = SslOpts, Renegotiation, OwnCert) -> Fun = fun(Version) -> ssl_record:protocol_version(Version) @@ -66,7 +65,7 @@ client_hello(Host, Port, ConnectionStates, #ssl_options{versions = Versions, SecParams = Pending#connection_state.security_parameters, Ciphers = available_suites(UserSuites, Version), - Id = ssl_manager:client_session_id(Host, Port, SslOpts), + Id = ssl_manager:client_session_id(Host, Port, SslOpts, OwnCert), #client_hello{session_id = Id, client_version = Version, @@ -195,14 +194,12 @@ certify(#certificate{asn1_certificates = ASN1Certs}, CertDbRef, {fun(OtpCert, ExtensionOrError, {SslState, UserState}) -> case ssl_certificate:validate_extension(OtpCert, ExtensionOrError, - SslState) of - {valid, _} -> - apply_user_fun(Fun, OtpCert, - ExtensionOrError, UserState, - SslState); - {fail, Reason} -> - apply_user_fun(Fun, OtpCert, Reason, UserState, - SslState); + SslState) of + {valid, NewSslState} -> + {valid, {NewSslState, UserState}}; + {fail, Reason} -> + apply_user_fun(Fun, OtpCert, Reason, UserState, + SslState); {unknown, _} -> apply_user_fun(Fun, OtpCert, ExtensionOrError, UserState, SslState) @@ -572,7 +569,7 @@ select_session(Hello, Port, Session, Version, #ssl_options{ciphers = UserSuites} = SslOpts, Cache, CacheCb, Cert) -> SuggestedSessionId = Hello#client_hello.session_id, SessionId = ssl_manager:server_session_id(Port, SuggestedSessionId, - SslOpts), + SslOpts, Cert), Suites = available_suites(Cert, UserSuites, Version), case ssl_session:is_new(SuggestedSessionId, SessionId) of diff --git a/lib/ssl/src/ssl_handshake.hrl b/lib/ssl/src/ssl_handshake.hrl index 74fba3786c..8ae4d2332e 100644 --- a/lib/ssl/src/ssl_handshake.hrl +++ b/lib/ssl/src/ssl_handshake.hrl @@ -26,9 +26,17 @@ -ifndef(ssl_handshake). -define(ssl_handshake, true). +-include_lib("public_key/include/public_key.hrl"). + +-type algo_oid() :: ?'rsaEncryption' | ?'id-dsa'. +-type public_key() :: #'RSAPublicKey'{} | integer(). +-type public_key_params() :: #'Dss-Parms'{} | term(). +-type public_key_info() :: {algo_oid(), public_key(), public_key_params()}. + -record(session, { session_id, peer_certificate, + own_certificate, compression_method, cipher_suite, master_secret, diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl index 4148032cb7..715941e3ad 100644 --- a/lib/ssl/src/ssl_internal.hrl +++ b/lib/ssl/src/ssl_internal.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2010. All Rights Reserved. +%% Copyright Ericsson AB 2007-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -19,12 +19,29 @@ %% - -ifndef(ssl_internal). -define(ssl_internal, true). -include_lib("public_key/include/public_key.hrl"). +-type reason() :: term(). +-type reply() :: term(). +-type msg() :: term(). +-type from() :: term(). +-type host() :: string() | tuple(). +-type port_num() :: integer(). +-type session_id() :: 0 | binary(). +-type tls_version() :: {integer(), integer()}. +-type tls_atom_version() :: sslv3 | tlsv1. +-type cache_ref() :: term(). +-type certdb_ref() :: term(). +-type key_algo() :: null | rsa | dhe_rsa | dhe_dss | dh_anon. +-type der_cert() :: binary(). +-type private_key() :: #'RSAPrivateKey'{} | #'DSAPrivateKey'{}. +-type issuer() :: tuple(). +-type serialnumber() :: integer(). +-type cert_key() :: {reference(), integer(), issuer()}. + %% basic binary constructors -define(BOOLEAN(X), X:8/unsigned-big-integer). -define(BYTE(X), X:8/unsigned-big-integer). @@ -93,28 +110,6 @@ active = true }). --type reason() :: term(). --type reply() :: term(). --type msg() :: term(). --type from() :: term(). --type host() :: string() | tuple(). --type port_num() :: integer(). --type session_id() :: 0 | binary(). --type tls_version() :: {integer(), integer()}. --type tls_atom_version() :: sslv3 | tlsv1. --type cache_ref() :: term(). --type certdb_ref() :: term(). --type key_algo() :: null | rsa | dhe_rsa | dhe_dss | dh_anon. --type oid() :: tuple(). --type public_key() :: #'RSAPublicKey'{} | integer(). --type public_key_params() :: #'Dss-Parms'{} | term(). --type public_key_info() :: {oid(), public_key(), public_key_params()}. --type der_cert() :: binary(). --type private_key() :: #'RSAPrivateKey'{} | #'DSAPrivateKey'{}. --type issuer() :: tuple(). --type serialnumber() :: integer(). --type cert_key() :: {reference(), integer(), issuer()}. - -endif. % -ifdef(ssl_internal). diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl index 3b02d96562..f845b1ecc0 100644 --- a/lib/ssl/src/ssl_manager.erl +++ b/lib/ssl/src/ssl_manager.erl @@ -29,8 +29,8 @@ %% Internal application API -export([start_link/1, connection_init/2, cache_pem_file/1, - lookup_trusted_cert/3, issuer_candidate/1, client_session_id/3, - server_session_id/3, + lookup_trusted_cert/3, issuer_candidate/1, client_session_id/4, + server_session_id/4, register_session/2, register_session/3, invalidate_session/2, invalidate_session/3]). @@ -43,6 +43,7 @@ -include("ssl_handshake.hrl"). -include("ssl_internal.hrl"). +-include_lib("kernel/include/file.hrl"). -record(state, { session_cache, @@ -76,16 +77,17 @@ start_link(Opts) -> connection_init(Trustedcerts, Role) -> call({connection_init, Trustedcerts, Role}). %%-------------------------------------------------------------------- --spec cache_pem_file(string()) -> {ok, term()}. +-spec cache_pem_file(string()) -> {ok, term()} | {error, reason()}. %% -%% Description: Cach a pem file and +%% Description: Cach a pem file and return its content. %%-------------------------------------------------------------------- -cache_pem_file(File) -> - case ssl_certificate_db:lookup_cached_certs(File) of - [{_,Content}] -> - {ok, Content}; - [] -> - call({cache_pem, File}) +cache_pem_file(File) -> + try file:read_file_info(File) of + {ok, #file_info{mtime = LastWrite}} -> + cache_pem_file(File, LastWrite) + catch + _:Reason -> + {error, Reason} end. %%-------------------------------------------------------------------- -spec lookup_trusted_cert(reference(), serialnumber(), issuer()) -> @@ -106,20 +108,21 @@ lookup_trusted_cert(Ref, SerialNumber, Issuer) -> issuer_candidate(PrevCandidateKey) -> ssl_certificate_db:issuer_candidate(PrevCandidateKey). %%-------------------------------------------------------------------- --spec client_session_id(host(), port_num(), #ssl_options{}) -> session_id(). +-spec client_session_id(host(), port_num(), #ssl_options{}, + der_cert() | undefined) -> session_id(). %% %% Description: Select a session id for the client. %%-------------------------------------------------------------------- -client_session_id(Host, Port, SslOpts) -> - call({client_session_id, Host, Port, SslOpts}). +client_session_id(Host, Port, SslOpts, OwnCert) -> + call({client_session_id, Host, Port, SslOpts, OwnCert}). %%-------------------------------------------------------------------- --spec server_session_id(host(), port_num(), #ssl_options{}) -> session_id(). +-spec server_session_id(host(), port_num(), #ssl_options{}, der_cert()) -> session_id(). %% %% Description: Select a session id for the server. %%-------------------------------------------------------------------- -server_session_id(Port, SuggestedSessionId, SslOpts) -> - call({server_session_id, Port, SuggestedSessionId, SslOpts}). +server_session_id(Port, SuggestedSessionId, SslOpts, OwnCert) -> + call({server_session_id, Port, SuggestedSessionId, SslOpts, OwnCert}). %%-------------------------------------------------------------------- -spec register_session(port_num(), #session{}) -> ok. @@ -201,28 +204,35 @@ handle_call({{connection_init, Trustedcerts, _Role}, Pid}, _From, end, {reply, Result, State}; -handle_call({{client_session_id, Host, Port, SslOpts}, _}, _, +handle_call({{client_session_id, Host, Port, SslOpts, OwnCert}, _}, _, #state{session_cache = Cache, session_cache_cb = CacheCb} = State) -> - Id = ssl_session:id({Host, Port, SslOpts}, Cache, CacheCb), + Id = ssl_session:id({Host, Port, SslOpts}, Cache, CacheCb, OwnCert), {reply, Id, State}; -handle_call({{server_session_id, Port, SuggestedSessionId, SslOpts}, _}, +handle_call({{server_session_id, Port, SuggestedSessionId, SslOpts, OwnCert}, _}, _, #state{session_cache_cb = CacheCb, session_cache = Cache, session_lifetime = LifeTime} = State) -> Id = ssl_session:id(Port, SuggestedSessionId, SslOpts, - Cache, CacheCb, LifeTime), + Cache, CacheCb, LifeTime, OwnCert), {reply, Id, State}; -handle_call({{cache_pem, File},Pid}, _, State = #state{certificate_db = Db}) -> - try ssl_certificate_db:cache_pem_file(Pid,File,Db) of +handle_call({{cache_pem, File, LastWrite}, Pid}, _, + #state{certificate_db = Db} = State) -> + try ssl_certificate_db:cache_pem_file(Pid, File, LastWrite, Db) of Result -> {reply, Result, State} catch _:Reason -> {reply, {error, Reason}, State} - end. + end; +handle_call({{recache_pem, File, LastWrite}, Pid}, From, + #state{certificate_db = Db} = State) -> + ssl_certificate_db:uncache_pem_file(File, Db), + cast({recache_pem, File, LastWrite, Pid, From}), + {noreply, State}. + %%-------------------------------------------------------------------- -spec handle_cast(msg(), #state{}) -> {noreply, #state{}}. %% Possible return values not used now. @@ -259,7 +269,21 @@ handle_cast({invalidate_session, Port, #session{session_id = ID}}, #state{session_cache = Cache, session_cache_cb = CacheCb} = State) -> CacheCb:delete(Cache, {Port, ID}), - {noreply, State}. + {noreply, State}; + +handle_cast({recache_pem, File, LastWrite, Pid, From}, + #state{certificate_db = [_, FileToRefDb, _]} = State0) -> + case ssl_certificate_db:lookup(File, FileToRefDb) of + undefined -> + {reply, Msg, State} = handle_call({{cache_pem, File, LastWrite}, Pid}, From, State0), + gen_server:reply(From, Msg), + {noreply, State}; + _ -> %% Send message to self letting cleanup messages be handled + %% first so that no reference to the old version of file + %% exists when we cache the new one. + cast({recache_pem, File, LastWrite, Pid, From}), + {noreply, State0} + end. %%-------------------------------------------------------------------- -spec handle_info(msg(), #state{}) -> {noreply, #state{}}. @@ -286,12 +310,14 @@ handle_info({'EXIT', _, _}, State) -> handle_info({'DOWN', _Ref, _Type, _Pid, ecacertfile}, State) -> {noreply, State}; +handle_info({'DOWN', _Ref, _Type, Pid, shutdown}, State) -> + handle_info({remove_trusted_certs, Pid}, State); handle_info({'DOWN', _Ref, _Type, Pid, _Reason}, State) -> erlang:send_after(?CERTIFICATE_CACHE_CLEANUP, self(), {remove_trusted_certs, Pid}), {noreply, State}; handle_info({remove_trusted_certs, Pid}, - State = #state{certificate_db = Db}) -> + #state{certificate_db = Db} = State) -> ssl_certificate_db:remove_trusted_certs(Pid, Db), {noreply, State}; @@ -362,3 +388,16 @@ session_validation({{{Host, Port}, _}, Session}, LifeTime) -> session_validation({{Port, _}, Session}, LifeTime) -> validate_session(Port, Session, LifeTime), LifeTime. + +cache_pem_file(File, LastWrite) -> + case ssl_certificate_db:lookup_cached_certs(File) of + [{_, {Mtime, Content}}] -> + case LastWrite of + Mtime -> + {ok, Content}; + _ -> + call({recache_pem, File, LastWrite}) + end; + [] -> + call({cache_pem, File, LastWrite}) + end. diff --git a/lib/ssl/src/ssl_record.erl b/lib/ssl/src/ssl_record.erl index e7a2d8ecf1..f1c0073965 100644 --- a/lib/ssl/src/ssl_record.erl +++ b/lib/ssl/src/ssl_record.erl @@ -30,7 +30,6 @@ -include("ssl_alert.hrl"). -include("ssl_handshake.hrl"). -include("ssl_cipher.hrl"). --include("ssl_debug.hrl"). %% Connection state handling -export([init_connection_states/1, diff --git a/lib/ssl/src/ssl_session.erl b/lib/ssl/src/ssl_session.erl index 25e7445180..dc4b7a711c 100644 --- a/lib/ssl/src/ssl_session.erl +++ b/lib/ssl/src/ssl_session.erl @@ -28,7 +28,7 @@ -include("ssl_internal.hrl"). %% Internal application API --export([is_new/2, id/3, id/6, valid_session/2]). +-export([is_new/2, id/4, id/7, valid_session/2]). -define(GEN_UNIQUE_ID_MAX_TRIES, 10). @@ -48,13 +48,14 @@ is_new(_ClientSuggestion, _ServerDecision) -> true. %%-------------------------------------------------------------------- --spec id({host(), port_num(), #ssl_options{}}, cache_ref(), atom()) -> binary(). +-spec id({host(), port_num(), #ssl_options{}}, cache_ref(), atom(), + undefined | binary()) -> binary(). %% %% Description: Should be called by the client side to get an id %% for the client hello message. %%-------------------------------------------------------------------- -id(ClientInfo, Cache, CacheCb) -> - case select_session(ClientInfo, Cache, CacheCb) of +id(ClientInfo, Cache, CacheCb, OwnCert) -> + case select_session(ClientInfo, Cache, CacheCb, OwnCert) of no_session -> <<>>; SessionId -> @@ -63,19 +64,19 @@ id(ClientInfo, Cache, CacheCb) -> %%-------------------------------------------------------------------- -spec id(port_num(), binary(), #ssl_options{}, cache_ref(), - atom(), seconds()) -> binary(). + atom(), seconds(), binary()) -> binary(). %% %% Description: Should be called by the server side to get an id %% for the server hello message. %%-------------------------------------------------------------------- -id(Port, <<>>, _, Cache, CacheCb, _) -> +id(Port, <<>>, _, Cache, CacheCb, _, _) -> new_id(Port, ?GEN_UNIQUE_ID_MAX_TRIES, Cache, CacheCb); id(Port, SuggestedSessionId, #ssl_options{reuse_sessions = ReuseEnabled, reuse_session = ReuseFun}, - Cache, CacheCb, SecondLifeTime) -> + Cache, CacheCb, SecondLifeTime, OwnCert) -> case is_resumable(SuggestedSessionId, Port, ReuseEnabled, - ReuseFun, Cache, CacheCb, SecondLifeTime) of + ReuseFun, Cache, CacheCb, SecondLifeTime, OwnCert) of true -> SuggestedSessionId; false -> @@ -93,19 +94,20 @@ valid_session(#session{time_stamp = TimeStamp}, LifeTime) -> %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- -select_session({HostIP, Port, SslOpts}, Cache, CacheCb) -> +select_session({HostIP, Port, SslOpts}, Cache, CacheCb, OwnCert) -> Sessions = CacheCb:select_session(Cache, {HostIP, Port}), - select_session(Sessions, SslOpts). + select_session(Sessions, SslOpts, OwnCert). -select_session([], _) -> +select_session([], _, _) -> no_session; select_session(Sessions, #ssl_options{ciphers = Ciphers, - reuse_sessions = ReuseSession}) -> + reuse_sessions = ReuseSession}, OwnCert) -> IsResumable = fun(Session) -> ReuseSession andalso (Session#session.is_resumable) andalso lists:member(Session#session.cipher_suite, Ciphers) + andalso (OwnCert == Session#session.own_certificate) end, case [Id || [Id, Session] <- Sessions, IsResumable(Session)] of [] -> @@ -140,14 +142,16 @@ new_id(Port, Tries, Cache, CacheCb) -> end. is_resumable(SuggestedSessionId, Port, ReuseEnabled, ReuseFun, Cache, - CacheCb, SecondLifeTime) -> + CacheCb, SecondLifeTime, OwnCert) -> case CacheCb:lookup(Cache, {Port, SuggestedSessionId}) of #session{cipher_suite = CipherSuite, + own_certificate = SessionOwnCert, compression_method = Compression, is_resumable = Is_resumable, peer_certificate = PeerCert} = Session -> ReuseEnabled andalso Is_resumable + andalso (OwnCert == SessionOwnCert) andalso valid_session(Session, SecondLifeTime) andalso ReuseFun(SuggestedSessionId, PeerCert, Compression, CipherSuite); diff --git a/lib/ssl/src/ssl_ssl3.erl b/lib/ssl/src/ssl_ssl3.erl index 18c3f4ed3d..f2926b2d2f 100644 --- a/lib/ssl/src/ssl_ssl3.erl +++ b/lib/ssl/src/ssl_ssl3.erl @@ -25,7 +25,6 @@ -module(ssl_ssl3). -include("ssl_cipher.hrl"). --include("ssl_debug.hrl"). -include("ssl_internal.hrl"). -include("ssl_record.hrl"). % MD5 and SHA @@ -103,11 +102,6 @@ mac_hash(Method, Mac_write_secret, Seq_num, Type, Length, Fragment) -> %% hash(MAC_write_secret + pad_1 + seq_num + %% SSLCompressed.type + SSLCompressed.length + %% SSLCompressed.fragment)); - case Method of - ?NULL -> ok; - _ -> - ok - end, Mac = mac_hash(Method, Mac_write_secret, [<<?UINT64(Seq_num), ?BYTE(Type), ?UINT16(Length)>>, Fragment]), diff --git a/lib/ssl/src/ssl_tls1.erl b/lib/ssl/src/ssl_tls1.erl index 88394b23ba..5f9850c386 100644 --- a/lib/ssl/src/ssl_tls1.erl +++ b/lib/ssl/src/ssl_tls1.erl @@ -27,7 +27,6 @@ -include("ssl_cipher.hrl"). -include("ssl_internal.hrl"). -include("ssl_record.hrl"). --include("ssl_debug.hrl"). -export([master_secret/3, finished/3, certificate_verify/2, mac_hash/7, setup_keys/6, suites/0]). @@ -129,11 +128,6 @@ mac_hash(Method, Mac_write_secret, Seq_num, Type, {Major, Minor}, %% HMAC_hash(MAC_write_secret, seq_num + TLSCompressed.type + %% TLSCompressed.version + TLSCompressed.length + %% TLSCompressed.fragment)); - case Method of - ?NULL -> ok; - _ -> - ok - end, Mac = hmac_hash(Method, Mac_write_secret, [<<?UINT64(Seq_num), ?BYTE(Type), ?BYTE(Major), ?BYTE(Minor), ?UINT16(Length)>>, |