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-rw-r--r--lib/ssl/src/dtls_connection.erl3
-rw-r--r--lib/ssl/src/ssl.erl11
-rw-r--r--lib/ssl/src/ssl_alert.erl29
-rw-r--r--lib/ssl/src/ssl_alert.hrl2
-rw-r--r--lib/ssl/src/ssl_cipher.erl8
-rw-r--r--lib/ssl/src/ssl_connection.erl91
-rw-r--r--lib/ssl/src/ssl_handshake.erl79
-rw-r--r--lib/ssl/src/ssl_record.erl2
-rw-r--r--lib/ssl/src/tls_connection.erl35
-rw-r--r--lib/ssl/src/tls_record.erl33
10 files changed, 161 insertions, 132 deletions
diff --git a/lib/ssl/src/dtls_connection.erl b/lib/ssl/src/dtls_connection.erl
index 57f8dd86d3..508983ddac 100644
--- a/lib/ssl/src/dtls_connection.erl
+++ b/lib/ssl/src/dtls_connection.erl
@@ -202,13 +202,14 @@ hello(Hello = #client_hello{client_version = ClientVersion,
session_cache = Cache,
session_cache_cb = CacheCb,
ssl_options = SslOpts}) ->
- HashSign = ssl_handshake:select_hashsign(HashSigns, Cert),
case dtls_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb,
ConnectionStates0, Cert}, Renegotiation) of
{Version, {Type, Session},
ConnectionStates,
#hello_extensions{ec_point_formats = EcPointFormats,
elliptic_curves = EllipticCurves} = ServerHelloExt} ->
+ HashSign = ssl_handshake:select_hashsign(HashSigns, Cert,
+ dtls_v1:corresponding_tls_version(Version)),
ssl_connection:hello({common_client_hello, Type, ServerHelloExt, HashSign},
State#state{connection_states = ConnectionStates,
negotiated_version = Version,
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 743753bf7d..4dea977fe1 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -357,11 +357,7 @@ cipher_suites(openssl) ->
[ssl_cipher:openssl_suite_name(S) || S <- ssl_cipher:suites(Version)];
cipher_suites(all) ->
Version = tls_record:highest_protocol_version([]),
- Supported = ssl_cipher:suites(Version)
- ++ ssl_cipher:anonymous_suites()
- ++ ssl_cipher:psk_suites(Version)
- ++ ssl_cipher:srp_suites(),
- [suite_definition(S) || S <- Supported].
+ [suite_definition(S) || S <- ssl_cipher:all_suites(Version)].
%%--------------------------------------------------------------------
-spec getopts(#sslsocket{}, [gen_tcp:option_name()]) ->
@@ -641,7 +637,8 @@ handle_options(Opts0, _Role) ->
user_lookup_fun = handle_option(user_lookup_fun, Opts, undefined),
psk_identity = handle_option(psk_identity, Opts, undefined),
srp_identity = handle_option(srp_identity, Opts, undefined),
- ciphers = handle_cipher_option(proplists:get_value(ciphers, Opts, []), hd(Versions)),
+ ciphers = handle_cipher_option(proplists:get_value(ciphers, Opts, []),
+ RecordCb:highest_protocol_version(Versions)),
%% Server side option
reuse_session = handle_option(reuse_session, Opts, ReuseSessionFun),
reuse_sessions = handle_option(reuse_sessions, Opts, true),
@@ -953,7 +950,7 @@ handle_cipher_option(Value, Version) when is_list(Value) ->
error:_->
throw({error, {options, {ciphers, Value}}})
end.
-binary_cipher_suites(Version, []) -> %% Defaults to all supported suits
+binary_cipher_suites(Version, []) -> % Defaults to all supported suites
ssl_cipher:suites(Version);
binary_cipher_suites(Version, [{_,_,_,_}| _] = Ciphers0) -> %% Backwards compatibility
Ciphers = [{KeyExchange, Cipher, Hash} || {KeyExchange, Cipher, Hash, _} <- Ciphers0],
diff --git a/lib/ssl/src/ssl_alert.erl b/lib/ssl/src/ssl_alert.erl
index db1535b5ec..78dc98bc25 100644
--- a/lib/ssl/src/ssl_alert.erl
+++ b/lib/ssl/src/ssl_alert.erl
@@ -31,7 +31,7 @@
-include("ssl_record.hrl").
-include("ssl_internal.hrl").
--export([encode/3, alert_txt/1, reason_code/2]).
+-export([encode/3, decode/1, alert_txt/1, reason_code/2]).
%%====================================================================
%% Internal application API
@@ -41,12 +41,21 @@
-spec encode(#alert{}, ssl_record:ssl_version(), #connection_states{}) ->
{iolist(), #connection_states{}}.
%%
-%% Description:
+%% Description: Encodes an alert
%%--------------------------------------------------------------------
encode(#alert{} = Alert, Version, ConnectionStates) ->
ssl_record:encode_alert_record(Alert, Version, ConnectionStates).
%%--------------------------------------------------------------------
+-spec decode(binary()) -> [#alert{}] | #alert{}.
+%%
+%% Description: Decode alert(s), will return a singel own alert if peer
+%% sends garbage or too many warning alerts.
+%%--------------------------------------------------------------------
+decode(Bin) ->
+ decode(Bin, [], 0).
+
+%%--------------------------------------------------------------------
-spec reason_code(#alert{}, client | server) -> closed | {essl, string()}.
%%
%% Description: Returns the error reason that will be returned to the
@@ -71,6 +80,22 @@ alert_txt(#alert{level = Level, description = Description, where = {Mod,Line}})
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
+
+%% It is very unlikely that an correct implementation will send more than one alert at the time
+%% So it there is more than 10 warning alerts we consider it an error
+decode(<<?BYTE(Level), ?BYTE(_), _/binary>>, _, N) when Level == ?WARNING, N > ?MAX_ALERTS ->
+ ?ALERT_REC(?FATAL, ?DECODE_ERROR);
+decode(<<?BYTE(Level), ?BYTE(Description), Rest/binary>>, Acc, N) when Level == ?WARNING ->
+ Alert = ?ALERT_REC(Level, Description),
+ decode(Rest, [Alert | Acc], N + 1);
+decode(<<?BYTE(Level), ?BYTE(Description), _Rest/binary>>, Acc, _) when Level == ?FATAL->
+ Alert = ?ALERT_REC(Level, Description),
+ lists:reverse([Alert | Acc]); %% No need to decode rest fatal alert will end the connection
+decode(<<?BYTE(_Level), _/binary>>, _, _) ->
+ ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER);
+decode(<<>>, Acc, _) ->
+ lists:reverse(Acc, []).
+
level_txt(?WARNING) ->
"Warning:";
level_txt(?FATAL) ->
diff --git a/lib/ssl/src/ssl_alert.hrl b/lib/ssl/src/ssl_alert.hrl
index 2d1f323085..f4f1d74264 100644
--- a/lib/ssl/src/ssl_alert.hrl
+++ b/lib/ssl/src/ssl_alert.hrl
@@ -104,6 +104,8 @@
-define(ALERT_REC(Level,Desc), #alert{level=Level,description=Desc,where={?FILE, ?LINE}}).
+-define(MAX_ALERTS, 10).
+
%% Alert
-record(alert, {
level,
diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl
index 78a328ace8..a3ec419c2a 100644
--- a/lib/ssl/src/ssl_cipher.erl
+++ b/lib/ssl/src/ssl_cipher.erl
@@ -34,7 +34,8 @@
-export([security_parameters/2, security_parameters/3, suite_definition/1,
decipher/5, cipher/5,
- suite/1, suites/1, ec_keyed_suites/0, anonymous_suites/0, psk_suites/1, srp_suites/0,
+ suite/1, suites/1, all_suites/1,
+ ec_keyed_suites/0, anonymous_suites/0, psk_suites/1, srp_suites/0,
openssl_suite/1, openssl_suite_name/1, filter/2, filter_suites/1,
hash_algorithm/1, sign_algorithm/1, is_acceptable_hash/2]).
@@ -224,6 +225,11 @@ suites({3, 0}) ->
suites({3, N}) ->
tls_v1:suites(N).
+all_suites(Version) ->
+ suites(Version)
+ ++ ssl_cipher:anonymous_suites()
+ ++ ssl_cipher:psk_suites(Version)
+ ++ ssl_cipher:srp_suites().
%%--------------------------------------------------------------------
-spec anonymous_suites() -> [cipher_suite()].
%%
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index c2810a199f..1eda926bcb 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -290,12 +290,11 @@ hello(#hello_request{}, #state{role = client} = State0, Connection) ->
{Record, State} = Connection:next_record(State0),
Connection:next_state(hello, hello, Record, State);
-hello({common_client_hello, Type, ServerHelloExt, HashSign},
- #state{session = #session{cipher_suite = CipherSuite},
- negotiated_version = Version} = State, Connection) ->
- {KeyAlg, _, _, _} = ssl_cipher:suite_definition(CipherSuite),
- NegotiatedHashSign = negotiated_hashsign(HashSign, KeyAlg, Version),
+hello({common_client_hello, Type, ServerHelloExt, NegotiatedHashSign},
+ State, Connection) ->
do_server_hello(Type, ServerHelloExt,
+ %% Note NegotiatedHashSign is only negotiated for real if
+ %% if TLS version is at least TLS-1.2
State#state{hashsign_algorithm = NegotiatedHashSign}, Connection);
hello(timeout, State, _) ->
@@ -432,7 +431,8 @@ certify(#server_key_exchange{exchange_keys = Keys},
calculate_secret(Params#server_key_params.params,
State#state{hashsign_algorithm = HashSign}, Connection);
false ->
- ?ALERT_REC(?FATAL, ?DECRYPT_ERROR)
+ Connection:handle_own_alert(?ALERT_REC(?FATAL, ?DECRYPT_ERROR),
+ Version, certify, State)
end
end;
@@ -441,8 +441,9 @@ certify(#server_key_exchange{} = Msg,
Connection:handle_unexpected_message(Msg, certify_server_keyexchange, State);
certify(#certificate_request{hashsign_algorithms = HashSigns},
- #state{session = #session{own_certificate = Cert}} = State0, Connection) ->
- HashSign = ssl_handshake:select_hashsign(HashSigns, Cert),
+ #state{session = #session{own_certificate = Cert},
+ negotiated_version = Version} = State0, Connection) ->
+ HashSign = ssl_handshake:select_hashsign(HashSigns, Cert, Version),
{Record, State} = Connection:next_record(State0#state{client_certificate_requested = true}),
Connection:next_state(certify, certify, Record,
State#state{cert_hashsign_algorithm = HashSign});
@@ -559,7 +560,7 @@ cipher(#certificate_verify{signature = Signature, hashsign_algorithm = CertHashS
tls_handshake_history = Handshake
} = State0, Connection) ->
- HashSign = ssl_handshake:select_cert_hashsign(CertHashSign, Algo, Version),
+ HashSign = ssl_handshake:select_hashsign_algs(CertHashSign, Algo, Version),
case ssl_handshake:certificate_verify(Signature, PublicKeyInfo,
Version, HashSign, MasterSecret, Handshake) of
valid ->
@@ -696,7 +697,11 @@ handle_sync_event({shutdown, How0}, _, StateName,
Error ->
{stop, normal, Error, State}
end;
-
+
+handle_sync_event({recv, _N, _Timeout}, _RecvFrom, StateName,
+ #state{socket_options = #socket_options{active = Active}} = State) when Active =/= false ->
+ {reply, {error, einval}, StateName, State, get_timeout(State)};
+
handle_sync_event({recv, N, Timeout}, RecvFrom, connection = StateName,
#state{protocol_cb = Connection} = State0) ->
Timer = start_or_recv_cancel_timer(Timeout, RecvFrom),
@@ -1559,60 +1564,6 @@ cipher_role(server, Data, Session, #state{connection_states = ConnectionStates0
session = Session}, cipher, Connection),
Connection:next_state_connection(cipher, ack_connection(State#state{session = Session})).
-negotiated_hashsign(undefined, Algo, Version) ->
- default_hashsign(Version, Algo);
-negotiated_hashsign(HashSign = {_, _}, _, _) ->
- HashSign.
-
-%% RFC 5246, Sect. 7.4.1.4.1. Signature Algorithms
-%% If the client does not send the signature_algorithms extension, the
-%% server MUST do the following:
-%%
-%% - If the negotiated key exchange algorithm is one of (RSA, DHE_RSA,
-%% DH_RSA, RSA_PSK, ECDH_RSA, ECDHE_RSA), behave as if client had
-%% sent the value {sha1,rsa}.
-%%
-%% - If the negotiated key exchange algorithm is one of (DHE_DSS,
-%% DH_DSS), behave as if the client had sent the value {sha1,dsa}.
-%%
-%% - If the negotiated key exchange algorithm is one of (ECDH_ECDSA,
-%% ECDHE_ECDSA), behave as if the client had sent value {sha1,ecdsa}.
-
-default_hashsign(_Version = {Major, Minor}, KeyExchange)
- when Major >= 3 andalso Minor >= 3 andalso
- (KeyExchange == rsa orelse
- KeyExchange == dhe_rsa orelse
- KeyExchange == dh_rsa orelse
- KeyExchange == ecdhe_rsa orelse
- KeyExchange == ecdh_rsa orelse
- KeyExchange == srp_rsa) ->
- {sha, rsa};
-default_hashsign(_Version, KeyExchange)
- when KeyExchange == rsa;
- KeyExchange == dhe_rsa;
- KeyExchange == dh_rsa;
- KeyExchange == ecdhe_rsa;
- KeyExchange == ecdh_rsa;
- KeyExchange == srp_rsa ->
- {md5sha, rsa};
-default_hashsign(_Version, KeyExchange)
- when KeyExchange == ecdhe_ecdsa;
- KeyExchange == ecdh_ecdsa ->
- {sha, ecdsa};
-default_hashsign(_Version, KeyExchange)
- when KeyExchange == dhe_dss;
- KeyExchange == dh_dss;
- KeyExchange == srp_dss ->
- {sha, dsa};
-default_hashsign(_Version, KeyExchange)
- when KeyExchange == dh_anon;
- KeyExchange == ecdh_anon;
- KeyExchange == psk;
- KeyExchange == dhe_psk;
- KeyExchange == rsa_psk;
- KeyExchange == srp_anon ->
- {null, anon}.
-
select_curve(#state{client_ecc = {[Curve|_], _}}) ->
{namedCurve, Curve};
select_curve(_) ->
@@ -1884,3 +1835,15 @@ new_ssl_options([undefined | Rest0], [Head1| Rest1], Acc) ->
new_ssl_options(Rest0, Rest1, [Head1 | Acc]);
new_ssl_options([Head0 | Rest0], [_| Rest1], Acc) ->
new_ssl_options(Rest0, Rest1, [Head0 | Acc]).
+
+negotiated_hashsign(undefined, Alg, Version) ->
+ %% Not negotiated choose default
+ case is_anonymous(Alg) of
+ true ->
+ {null, anon};
+ false ->
+ ssl_handshake:select_hashsign_algs(Alg, Version)
+ end;
+negotiated_hashsign(HashSign = {_, _}, _, _) ->
+ HashSign.
+
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index 1108edcf48..fc67d2c28d 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -73,7 +73,8 @@
]).
%% MISC
--export([select_version/3, prf/5, select_hashsign/2, select_cert_hashsign/3,
+-export([select_version/3, prf/5, select_hashsign/3,
+ select_hashsign_algs/2, select_hashsign_algs/3,
premaster_secret/2, premaster_secret/3, premaster_secret/4]).
%%====================================================================
@@ -590,23 +591,25 @@ prf({3,1}, Secret, Label, Seed, WantedLength) ->
{ok, tls_v1:prf(?MD5SHA, Secret, Label, Seed, WantedLength)};
prf({3,_N}, Secret, Label, Seed, WantedLength) ->
{ok, tls_v1:prf(?SHA256, Secret, Label, Seed, WantedLength)}.
+
+
%%--------------------------------------------------------------------
--spec select_hashsign(#hash_sign_algos{}| undefined, undefined | binary()) ->
- [{atom(), atom()}] | undefined.
+-spec select_hashsign(#hash_sign_algos{}| undefined, undefined | binary(), ssl_record:ssl_version()) ->
+ {atom(), atom()} | undefined.
%%
%% Description:
%%--------------------------------------------------------------------
-select_hashsign(_, undefined) ->
+select_hashsign(_, undefined, _Version) ->
{null, anon};
-select_hashsign(undefined, Cert) ->
+select_hashsign(undefined, Cert, Version) ->
#'OTPCertificate'{tbsCertificate = TBSCert} = public_key:pkix_decode_cert(Cert, otp),
#'OTPSubjectPublicKeyInfo'{algorithm = {_,Algo, _}} = TBSCert#'OTPTBSCertificate'.subjectPublicKeyInfo,
- select_cert_hashsign(undefined, Algo, {undefined, undefined});
-select_hashsign(#hash_sign_algos{hash_sign_algos = HashSigns}, Cert) ->
+ select_hashsign_algs(undefined, Algo, Version);
+select_hashsign(#hash_sign_algos{hash_sign_algos = HashSigns}, Cert, Version) ->
#'OTPCertificate'{tbsCertificate = TBSCert} =public_key:pkix_decode_cert(Cert, otp),
#'OTPSubjectPublicKeyInfo'{algorithm = {_,Algo, _}} = TBSCert#'OTPTBSCertificate'.subjectPublicKeyInfo,
- DefaultHashSign = {_, Sign} = select_cert_hashsign(undefined, Algo, {undefined, undefined}),
+ DefaultHashSign = {_, Sign} = select_hashsign_algs(undefined, Algo, Version),
case lists:filter(fun({sha, dsa}) ->
true;
({_, dsa}) ->
@@ -622,26 +625,59 @@ select_hashsign(#hash_sign_algos{hash_sign_algos = HashSigns}, Cert) ->
[HashSign| _] ->
HashSign
end.
+
%%--------------------------------------------------------------------
--spec select_cert_hashsign(#hash_sign_algos{}| undefined, oid(), ssl_record:ssl_version() | {undefined, undefined}) ->
+-spec select_hashsign_algs(#hash_sign_algos{}| undefined, oid(), ssl_record:ssl_version()) ->
{atom(), atom()}.
+%% Description: For TLS 1.2 hash function and signature algorithm pairs can be
+%% negotiated with the signature_algorithms extension,
+%% for previous versions always use appropriate defaults.
+%% RFC 5246, Sect. 7.4.1.4.1. Signature Algorithms
+%% If the client does not send the signature_algorithms extension, the
+%% server MUST do the following: (e.i defaults for TLS 1.2)
+%%
+%% - If the negotiated key exchange algorithm is one of (RSA, DHE_RSA,
+%% DH_RSA, RSA_PSK, ECDH_RSA, ECDHE_RSA), behave as if client had
+%% sent the value {sha1,rsa}.
+%%
+%% - If the negotiated key exchange algorithm is one of (DHE_DSS,
+%% DH_DSS), behave as if the client had sent the value {sha1,dsa}.
%%
-%% Description: For TLS 1.2 selected cert_hash_sign will be recived
-%% in the handshake message, for previous versions use appropriate defaults.
-%% This function is also used by select_hashsign to extract
-%% the alogrithm of the server cert key.
+%% - If the negotiated key exchange algorithm is one of (ECDH_ECDSA,
+%% ECDHE_ECDSA), behave as if the client had sent value {sha1,ecdsa}.
+
%%--------------------------------------------------------------------
-select_cert_hashsign(HashSign, _, {Major, Minor}) when HashSign =/= undefined andalso
+select_hashsign_algs(HashSign, _, {Major, Minor}) when HashSign =/= undefined andalso
Major >= 3 andalso Minor >= 3 ->
HashSign;
-select_cert_hashsign(undefined,?'id-ecPublicKey', _) ->
+select_hashsign_algs(undefined, ?rsaEncryption, {Major, Minor}) when Major >= 3 andalso Minor >= 3 ->
+ {sha, rsa};
+select_hashsign_algs(undefined,?'id-ecPublicKey', _) ->
{sha, ecdsa};
-select_cert_hashsign(undefined, ?rsaEncryption, _) ->
+select_hashsign_algs(undefined, ?rsaEncryption, _) ->
{md5sha, rsa};
-select_cert_hashsign(undefined, ?'id-dsa', _) ->
+select_hashsign_algs(undefined, ?'id-dsa', _) ->
{sha, dsa}.
+-spec select_hashsign_algs(atom(), ssl_record:ssl_version()) -> {atom(), atom()}.
+%% Wrap function to keep the knowledge of the default values in
+%% one place only
+select_hashsign_algs(Alg, Version) when (Alg == rsa orelse
+ Alg == dhe_rsa orelse
+ Alg == dh_rsa orelse
+ Alg == ecdhe_rsa orelse
+ Alg == ecdh_rsa orelse
+ Alg == srp_rsa) ->
+ select_hashsign_algs(undefined, ?rsaEncryption, Version);
+select_hashsign_algs(Alg, Version) when (Alg == dhe_dss orelse
+ Alg == dh_dss orelse
+ Alg == srp_dss) ->
+ select_hashsign_algs(undefined, ?'id-dsa', Version);
+select_hashsign_algs(Alg, Version) when (Alg == ecdhe_ecdsa orelse
+ Alg == ecdh_ecdsa) ->
+ select_hashsign_algs(undefined, ?'id-ecPublicKey', Version).
+
%%--------------------------------------------------------------------
-spec master_secret(atom(), ssl_record:ssl_version(), #session{} | binary(), #connection_states{},
client | server) -> {binary(), #connection_states{}} | #alert{}.
@@ -1017,12 +1053,9 @@ decode_suites('3_bytes', Dec) ->
%%-------------Cipeher suite handling --------------------------------
available_suites(UserSuites, Version) ->
- case UserSuites of
- [] ->
- ssl_cipher:suites(Version);
- _ ->
- UserSuites
- end.
+ lists:filtermap(fun(Suite) ->
+ lists:member(Suite, ssl_cipher:all_suites(Version))
+ end, UserSuites).
available_suites(ServerCert, UserSuites, Version, Curve) ->
ssl_cipher:filter(ServerCert, available_suites(UserSuites, Version))
diff --git a/lib/ssl/src/ssl_record.erl b/lib/ssl/src/ssl_record.erl
index b0e9943e6d..7337225bc4 100644
--- a/lib/ssl/src/ssl_record.erl
+++ b/lib/ssl/src/ssl_record.erl
@@ -377,7 +377,7 @@ cipher(Version, Fragment,
ssl_cipher:cipher(BulkCipherAlgo, CipherS0, MacHash, Fragment, Version),
{CipherFragment, WriteState0#connection_state{cipher_state = CipherS1}}.
%%--------------------------------------------------------------------
--spec decipher(ssl_version(), binary(), #connection_state{}) -> {binary(), binary(), #connection_state{}}.
+-spec decipher(ssl_version(), binary(), #connection_state{}) -> {binary(), binary(), #connection_state{}} | #alert{}.
%%
%% Description: Payload decryption
%%--------------------------------------------------------------------
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index ffa04ee8ba..32086ff6ce 100644
--- a/lib/ssl/src/tls_connection.erl
+++ b/lib/ssl/src/tls_connection.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2014. 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
@@ -208,11 +208,11 @@ hello(Hello = #client_hello{client_version = ClientVersion,
session_cache = Cache,
session_cache_cb = CacheCb,
ssl_options = SslOpts}) ->
- HashSign = ssl_handshake:select_hashsign(HashSigns, Cert),
case tls_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb,
ConnectionStates0, Cert}, Renegotiation) of
{Version, {Type, Session},
ConnectionStates, ServerHelloExt} ->
+ HashSign = ssl_handshake:select_hashsign(HashSigns, Cert, Version),
ssl_connection:hello({common_client_hello, Type, ServerHelloExt, HashSign},
State#state{connection_states = ConnectionStates,
negotiated_version = Version,
@@ -362,20 +362,11 @@ encode_handshake(Handshake, Version, ConnectionStates0, Hist0) ->
ssl_record:encode_handshake(Frag, Version, ConnectionStates0),
{Encoded, ConnectionStates, Hist}.
-
encode_change_cipher(#change_cipher_spec{}, Version, ConnectionStates) ->
ssl_record:encode_change_cipher_spec(Version, ConnectionStates).
-
-
decode_alerts(Bin) ->
- decode_alerts(Bin, []).
-
-decode_alerts(<<?BYTE(Level), ?BYTE(Description), Rest/binary>>, Acc) ->
- A = ?ALERT_REC(Level, Description),
- decode_alerts(Rest, [A | Acc]);
-decode_alerts(<<>>, Acc) ->
- lists:reverse(Acc, []).
+ ssl_alert:decode(Bin).
initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions}, User,
{CbModule, DataTag, CloseTag, ErrorTag}) ->
@@ -420,10 +411,13 @@ next_state(Current,_, #alert{} = Alert, #state{negotiated_version = Version} = S
next_state(_,Next, no_record, State) ->
{next_state, Next, State, get_timeout(State)};
-next_state(_,Next, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, State) ->
- Alerts = decode_alerts(EncAlerts),
- handle_alerts(Alerts, {next_state, Next, State, get_timeout(State)});
-
+next_state(Current, Next, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, #state{negotiated_version = Version} = State) ->
+ case decode_alerts(EncAlerts) of
+ Alerts = [_|_] ->
+ handle_alerts(Alerts, {next_state, Next, State, get_timeout(State)});
+ #alert{} = Alert ->
+ handle_own_alert(Alert, Version, Current, State)
+ end;
next_state(Current, Next, #ssl_tls{type = ?HANDSHAKE, fragment = Data},
State0 = #state{protocol_buffers =
#protocol_buffers{tls_handshake_buffer = Buf0} = Buffers,
@@ -751,7 +745,11 @@ handle_tls_handshake(Handle, StateName,
handle_tls_handshake(Handle, NextStateName, State);
{stop, _,_} = Stop ->
Stop
- end.
+ end;
+
+handle_tls_handshake(_Handle, _StateName, #state{}) ->
+ throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)).
+
write_application_data(Data0, From,
#state{socket = Socket,
negotiated_version = Version,
@@ -859,7 +857,8 @@ handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert,
{Record, State} = next_record(State0),
next_state(StateName, connection, Record, State);
-handle_alert(#alert{level = ?WARNING, description = ?USER_CANCELED} = Alert, StateName,
+%% Gracefully log and ignore all other warning alerts
+handle_alert(#alert{level = ?WARNING} = Alert, StateName,
#state{ssl_options = SslOpts} = State0) ->
log_alert(SslOpts#ssl_options.log_alert, StateName, Alert),
{Record, State} = next_record(State0),
diff --git a/lib/ssl/src/tls_record.erl b/lib/ssl/src/tls_record.erl
index 4da08e9c51..f50ea22f39 100644
--- a/lib/ssl/src/tls_record.erl
+++ b/lib/ssl/src/tls_record.erl
@@ -154,21 +154,24 @@ decode_cipher_text(#ssl_tls{type = Type, version = Version,
sequence_number = Seq,
security_parameters = SecParams} = ReadState0,
CompressAlg = SecParams#security_parameters.compression_algorithm,
- {PlainFragment, Mac, ReadState1} = ssl_record:decipher(Version, CipherFragment, ReadState0),
- MacHash = calc_mac_hash(Type, Version, PlainFragment, ReadState1),
- case ssl_record:is_correct_mac(Mac, MacHash) of
- true ->
- {Plain, CompressionS1} = ssl_record:uncompress(CompressAlg,
- PlainFragment, CompressionS0),
- ConnnectionStates = ConnnectionStates0#connection_states{
- current_read = ReadState1#connection_state{
- sequence_number = Seq + 1,
- compression_state = CompressionS1}},
- {CipherText#ssl_tls{fragment = Plain}, ConnnectionStates};
- false ->
- ?ALERT_REC(?FATAL, ?BAD_RECORD_MAC)
- end.
-
+ case ssl_record:decipher(Version, CipherFragment, ReadState0) of
+ {PlainFragment, Mac, ReadState1} ->
+ MacHash = calc_mac_hash(Type, Version, PlainFragment, ReadState1),
+ case ssl_record:is_correct_mac(Mac, MacHash) of
+ true ->
+ {Plain, CompressionS1} = ssl_record:uncompress(CompressAlg,
+ PlainFragment, CompressionS0),
+ ConnnectionStates = ConnnectionStates0#connection_states{
+ current_read = ReadState1#connection_state{
+ sequence_number = Seq + 1,
+ compression_state = CompressionS1}},
+ {CipherText#ssl_tls{fragment = Plain}, ConnnectionStates};
+ false ->
+ ?ALERT_REC(?FATAL, ?BAD_RECORD_MAC)
+ end;
+ #alert{} = Alert ->
+ Alert
+ end.
%%--------------------------------------------------------------------
-spec protocol_version(tls_atom_version() | tls_version()) ->
tls_version() | tls_atom_version().
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-14 11:29:23 +0000