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-rw-r--r--lib/ssl/src/dtls_connection.erl78
-rw-r--r--lib/ssl/src/dtls_handshake.erl26
-rw-r--r--lib/ssl/src/dtls_record.erl41
-rw-r--r--lib/ssl/src/dtls_v1.erl12
-rw-r--r--lib/ssl/src/ssl.appup.src2
-rw-r--r--lib/ssl/src/ssl.erl67
-rw-r--r--lib/ssl/src/ssl_cipher.erl10
-rw-r--r--lib/ssl/src/ssl_connection.erl40
-rw-r--r--lib/ssl/src/ssl_connection.hrl3
-rw-r--r--lib/ssl/src/ssl_internal.hrl2
-rw-r--r--lib/ssl/src/ssl_record.erl62
-rw-r--r--lib/ssl/src/tls_connection.erl37
-rw-r--r--lib/ssl/src/tls_record.erl44
13 files changed, 230 insertions, 194 deletions
diff --git a/lib/ssl/src/dtls_connection.erl b/lib/ssl/src/dtls_connection.erl
index f607c86ae3..440607e99d 100644
--- a/lib/ssl/src/dtls_connection.erl
+++ b/lib/ssl/src/dtls_connection.erl
@@ -263,9 +263,14 @@ init({call, From}, {start, Timeout},
{Record, State} = next_record(State3),
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 = {retransmit, ?INITIAL_RETRANSMIT_TIMEOUT}},
- ?MODULE);
+ Result = ssl_connection:init(Type, Event,
+ State#state{flight_state = {retransmit, ?INITIAL_RETRANSMIT_TIMEOUT},
+ protocol_specific = #{current_cookie_secret => dtls_v1:cookie_secret(),
+ previous_cookie_secret => <<>>}},
+ ?MODULE),
+ erlang:send_after(dtls_v1:cookie_timeout(), self(), new_cookie_secret),
+ Result;
+
init({call, _} = Type, Event, #state{role = server} = State) ->
%% I.E. DTLS over sctp
ssl_connection:init(Type, Event, State#state{flight_state = reliable}, ?MODULE);
@@ -288,10 +293,10 @@ error(_, _, _) ->
hello(internal, #client_hello{cookie = <<>>,
client_version = Version} = Hello, #state{role = server,
transport_cb = Transport,
- socket = Socket} = State0) ->
- %% TODO: not hard code key
+ socket = Socket,
+ protocol_specific = #{current_cookie_secret := Secret}} = State0) ->
{ok, {IP, Port}} = dtls_socket:peername(Transport, Socket),
- Cookie = dtls_handshake:cookie(<<"secret">>, IP, Port, Hello),
+ 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, Actions} = send_handshake(VerifyRequest, State1),
@@ -299,15 +304,21 @@ hello(internal, #client_hello{cookie = <<>>,
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) ->
+ socket = Socket,
+ protocol_specific = #{current_cookie_secret := Secret,
+ previous_cookie_secret := PSecret}} = State0) ->
{ok, {IP, Port}} = dtls_socket:peername(Transport, Socket),
- %% TODO: not hard code key
- case dtls_handshake:cookie(<<"secret">>, IP, Port, Hello) of
+ case dtls_handshake:cookie(Secret, IP, Port, Hello) of
Cookie ->
handle_client_hello(Hello, State0);
_ ->
- %% Handle bad cookie as new cookie request RFC 6347 4.1.2
- hello(internal, Hello#client_hello{cookie = <<>>}, State0)
+ case dtls_handshake:cookie(PSecret, IP, Port, Hello) of
+ Cookie ->
+ handle_client_hello(Hello, State0);
+ _ ->
+ %% Handle bad cookie as new cookie request RFC 6347 4.1.2
+ hello(internal, Hello#client_hello{cookie = <<>>}, State0)
+ end
end;
hello(internal, #hello_verify_request{cookie = Cookie}, #state{role = client,
host = Host, port = Port,
@@ -453,27 +464,46 @@ handle_info({Protocol, _, _, _, Data}, StateName,
{stop, {shutdown, own_alert}}
end;
handle_info({CloseTag, Socket}, StateName,
- #state{socket = Socket, close_tag = CloseTag,
+ #state{socket = Socket,
+ socket_options = #socket_options{active = Active},
+ protocol_buffers = #protocol_buffers{dtls_cipher_texts = CTs},
+ close_tag = CloseTag,
negotiated_version = Version} = State) ->
%% Note that as of DTLS 1.2 (TLS 1.1),
%% failure to properly close a connection no longer requires that a
%% session not be resumed. This is a change from DTLS 1.0 to conform
%% with widespread implementation practice.
- case Version of
- {254, N} when N =< 253 ->
- ok;
- _ ->
- %% As invalidate_sessions here causes performance issues,
- %% we will conform to the widespread implementation
- %% practice and go aginst the spec
- %%invalidate_session(Role, Host, Port, Session)
- ok
- end,
- ssl_connection:handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State),
- {stop, {shutdown, transport_closed}};
+ case (Active == false) andalso (CTs =/= []) of
+ false ->
+ case Version of
+ {254, N} when N =< 253 ->
+ ok;
+ _ ->
+ %% As invalidate_sessions here causes performance issues,
+ %% we will conform to the widespread implementation
+ %% practice and go aginst the spec
+ %%invalidate_session(Role, Host, Port, Session)
+ ok
+ end,
+ ssl_connection:handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State),
+ {stop, {shutdown, transport_closed}};
+ true ->
+ %% Fixes non-delivery of final DTLS record in {active, once}.
+ %% Basically allows the application the opportunity to set {active, once} again
+ %% and then receive the final message.
+ next_event(StateName, no_record, State)
+ end;
+
+handle_info(new_cookie_secret, StateName,
+ #state{protocol_specific = #{current_cookie_secret := Secret} = CookieInfo} = State) ->
+ erlang:send_after(dtls_v1:cookie_timeout(), self(), new_cookie_secret),
+ {next_state, StateName, State#state{protocol_specific =
+ CookieInfo#{current_cookie_secret => dtls_v1:cookie_secret(),
+ previous_cookie_secret => Secret}}};
handle_info(Msg, StateName, State) ->
ssl_connection:handle_info(Msg, StateName, State).
+
handle_call(Event, From, StateName, State) ->
ssl_connection:handle_call(Event, From, StateName, State, ?MODULE).
diff --git a/lib/ssl/src/dtls_handshake.erl b/lib/ssl/src/dtls_handshake.erl
index fd1f9698fe..d3ba90a226 100644
--- a/lib/ssl/src/dtls_handshake.erl
+++ b/lib/ssl/src/dtls_handshake.erl
@@ -455,7 +455,7 @@ merge_fragments(#handshake_fragment{
fragment_offset = PreviousOffSet,
fragment_length = CurrentLen}) when CurrentLen < PreviousLen ->
Previous;
-%% Next fragment
+%% Next fragment, might be overlapping
merge_fragments(#handshake_fragment{
fragment_offset = PreviousOffSet,
fragment_length = PreviousLen,
@@ -464,10 +464,26 @@ merge_fragments(#handshake_fragment{
#handshake_fragment{
fragment_offset = CurrentOffSet,
fragment_length = CurrentLen,
- fragment = CurrentData}) when PreviousOffSet + PreviousLen == CurrentOffSet->
- Previous#handshake_fragment{
- fragment_length = PreviousLen + CurrentLen,
- fragment = <<PreviousData/binary, CurrentData/binary>>};
+ fragment = CurrentData})
+ when PreviousOffSet + PreviousLen >= CurrentOffSet andalso
+ PreviousOffSet + PreviousLen < CurrentOffSet + CurrentLen ->
+ CurrentStart = PreviousOffSet + PreviousLen - CurrentOffSet,
+ <<_:CurrentStart/bytes, Data/binary>> = CurrentData,
+ Previous#handshake_fragment{
+ fragment_length = PreviousLen + CurrentLen - CurrentStart,
+ fragment = <<PreviousData/binary, Data/binary>>};
+%% already fully contained fragment
+merge_fragments(#handshake_fragment{
+ fragment_offset = PreviousOffSet,
+ fragment_length = PreviousLen
+ } = Previous,
+ #handshake_fragment{
+ fragment_offset = CurrentOffSet,
+ fragment_length = CurrentLen})
+ when PreviousOffSet + PreviousLen >= CurrentOffSet andalso
+ PreviousOffSet + PreviousLen >= CurrentOffSet + CurrentLen ->
+ Previous;
+
%% No merge there is a gap
merge_fragments(Previous, Current) ->
[Previous, Current].
diff --git a/lib/ssl/src/dtls_record.erl b/lib/ssl/src/dtls_record.erl
index 0ee51c24b6..049f83e49e 100644
--- a/lib/ssl/src/dtls_record.erl
+++ b/lib/ssl/src/dtls_record.erl
@@ -439,43 +439,59 @@ encode_dtls_cipher_text(Type, {MajVer, MinVer}, Fragment,
encode_plain_text(Type, Version, Data, #{compression_state := CompS0,
epoch := Epoch,
sequence_number := Seq,
+ cipher_state := CipherS0,
security_parameters :=
#security_parameters{
cipher_type = ?AEAD,
+ bulk_cipher_algorithm =
+ BulkCipherAlgo,
compression_algorithm = CompAlg}
} = WriteState0) ->
{Comp, CompS1} = ssl_record:compress(CompAlg, Data, CompS0),
- WriteState1 = WriteState0#{compression_state => CompS1},
AAD = calc_aad(Type, Version, Epoch, Seq),
- ssl_record:cipher_aead(dtls_v1:corresponding_tls_version(Version), Comp, WriteState1, AAD);
-encode_plain_text(Type, Version, Data, #{compression_state := CompS0,
+ TLSVersion = dtls_v1:corresponding_tls_version(Version),
+ {CipherFragment, CipherS1} =
+ ssl_cipher:cipher_aead(BulkCipherAlgo, CipherS0, Seq, AAD, Comp, TLSVersion),
+ {CipherFragment, WriteState0#{compression_state => CompS1,
+ cipher_state => CipherS1}};
+encode_plain_text(Type, Version, Fragment, #{compression_state := CompS0,
epoch := Epoch,
sequence_number := Seq,
+ cipher_state := CipherS0,
security_parameters :=
- #security_parameters{compression_algorithm = CompAlg}
+ #security_parameters{compression_algorithm = CompAlg,
+ bulk_cipher_algorithm =
+ BulkCipherAlgo}
}= WriteState0) ->
- {Comp, CompS1} = ssl_record:compress(CompAlg, Data, CompS0),
+ {Comp, CompS1} = ssl_record:compress(CompAlg, Fragment, CompS0),
WriteState1 = WriteState0#{compression_state => CompS1},
- MacHash = calc_mac_hash(Type, Version, WriteState1, Epoch, Seq, Comp),
- ssl_record:cipher(dtls_v1:corresponding_tls_version(Version), Comp, WriteState1, MacHash).
+ MAC = calc_mac_hash(Type, Version, WriteState1, Epoch, Seq, Comp),
+ TLSVersion = dtls_v1:corresponding_tls_version(Version),
+ {CipherFragment, CipherS1} =
+ ssl_cipher:cipher(BulkCipherAlgo, CipherS0, MAC, Fragment, TLSVersion),
+ {CipherFragment, WriteState0#{cipher_state => CipherS1}}.
decode_cipher_text(#ssl_tls{type = Type, version = Version,
epoch = Epoch,
sequence_number = Seq,
fragment = CipherFragment} = CipherText,
#{compression_state := CompressionS0,
+ cipher_state := CipherS0,
security_parameters :=
#security_parameters{
cipher_type = ?AEAD,
+ bulk_cipher_algorithm =
+ BulkCipherAlgo,
compression_algorithm = CompAlg}} = ReadState0,
ConnnectionStates0) ->
AAD = calc_aad(Type, Version, Epoch, Seq),
- case ssl_record:decipher_aead(dtls_v1:corresponding_tls_version(Version),
- CipherFragment, ReadState0, AAD) of
- {PlainFragment, ReadState1} ->
+ TLSVersion = dtls_v1:corresponding_tls_version(Version),
+ case ssl_cipher:decipher_aead(BulkCipherAlgo, CipherS0, Seq, AAD, CipherFragment, TLSVersion) of
+ {PlainFragment, CipherState} ->
{Plain, CompressionS1} = ssl_record:uncompress(CompAlg,
PlainFragment, CompressionS0),
- ReadState = ReadState1#{compression_state => CompressionS1},
+ ReadState = ReadState0#{compression_state => CompressionS1,
+ cipher_state => CipherState},
ConnnectionStates = set_connection_state_by_epoch(ReadState, Epoch, ConnnectionStates0, read),
{CipherText#ssl_tls{fragment = Plain}, ConnnectionStates};
#alert{} = Alert ->
@@ -528,5 +544,4 @@ mac_hash(Version, MacAlg, MacSecret, SeqNo, Type, Length, Fragment) ->
Length, Fragment).
calc_aad(Type, {MajVer, MinVer}, Epoch, SeqNo) ->
- NewSeq = (Epoch bsl 48) + SeqNo,
- <<NewSeq:64/integer, ?BYTE(Type), ?BYTE(MajVer), ?BYTE(MinVer)>>.
+ <<?UINT16(Epoch), ?UINT48(SeqNo), ?BYTE(Type), ?BYTE(MajVer), ?BYTE(MinVer)>>.
diff --git a/lib/ssl/src/dtls_v1.erl b/lib/ssl/src/dtls_v1.erl
index dd0d35d404..4aaf8baa6c 100644
--- a/lib/ssl/src/dtls_v1.erl
+++ b/lib/ssl/src/dtls_v1.erl
@@ -22,7 +22,10 @@
-include("ssl_cipher.hrl").
-export([suites/1, all_suites/1, mac_hash/7, ecc_curves/1,
- corresponding_tls_version/1, corresponding_dtls_version/1]).
+ corresponding_tls_version/1, corresponding_dtls_version/1,
+ cookie_secret/0, cookie_timeout/0]).
+
+-define(COOKIE_BASE_TIMEOUT, 30000).
-spec suites(Minor:: 253|255) -> [ssl_cipher:cipher_suite()].
@@ -47,6 +50,13 @@ ecc_curves({_Major, Minor}) ->
corresponding_tls_version({254, Minor}) ->
{3, corresponding_minor_tls_version(Minor)}.
+cookie_secret() ->
+ crypto:strong_rand_bytes(32).
+
+cookie_timeout() ->
+ %% Cookie will live for two timeouts periods
+ round(rand:uniform() * ?COOKIE_BASE_TIMEOUT/2).
+
corresponding_minor_tls_version(255) ->
2;
corresponding_minor_tls_version(253) ->
diff --git a/lib/ssl/src/ssl.appup.src b/lib/ssl/src/ssl.appup.src
index bfdd0c205b..2eda9d9491 100644
--- a/lib/ssl/src/ssl.appup.src
+++ b/lib/ssl/src/ssl.appup.src
@@ -1,6 +1,7 @@
%% -*- erlang -*-
{"%VSN%",
[
+ {<<"8.1.1">>, [{load_module, tls_connection, soft_purge, soft_purge, []}]},
{<<"8\\..*">>, [{restart_application, ssl}]},
{<<"7\\..*">>, [{restart_application, ssl}]},
{<<"6\\..*">>, [{restart_application, ssl}]},
@@ -9,6 +10,7 @@
{<<"3\\..*">>, [{restart_application, ssl}]}
],
[
+ {<<"8.1.1">>, [{load_module, tls_connection, soft_purge, soft_purge, []}]},
{<<"8\\..*">>, [{restart_application, ssl}]},
{<<"7\\..*">>, [{restart_application, ssl}]},
{<<"6\\..*">>, [{restart_application, ssl}]},
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 45fc29723f..b3d08bdfbe 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -38,16 +38,13 @@
getopts/2, setopts/2, getstat/1, getstat/2
]).
%% SSL/TLS protocol handling
--export([cipher_suites/0, cipher_suites/1, eccs/0, eccs/1,
- connection_info/1, versions/0, session_info/1, format_error/1,
- renegotiate/1, prf/5, negotiated_protocol/1, negotiated_next_protocol/1,
+
+-export([cipher_suites/0, cipher_suites/1, eccs/0, eccs/1, versions/0,
+ format_error/1, renegotiate/1, prf/5, negotiated_protocol/1,
connection_information/1, connection_information/2]).
%% Misc
-export([handle_options/2, tls_version/1]).
--deprecated({negotiated_next_protocol, 1, next_major_release}).
--deprecated({connection_info, 1, next_major_release}).
-
-include("ssl_api.hrl").
-include("ssl_internal.hrl").
-include("ssl_record.hrl").
@@ -307,7 +304,7 @@ controlling_process(#sslsocket{pid = {Listen,
%% Description: Return SSL information for the connection
%%--------------------------------------------------------------------
connection_information(#sslsocket{pid = Pid}) when is_pid(Pid) ->
- case ssl_connection:connection_information(Pid) of
+ case ssl_connection:connection_information(Pid, false) of
{ok, Info} ->
{ok, [Item || Item = {_Key, Value} <- Info, Value =/= undefined]};
Error ->
@@ -323,8 +320,8 @@ connection_information(#sslsocket{pid = {udp,_}}) ->
%%
%% Description: Return SSL information for the connection
%%--------------------------------------------------------------------
-connection_information(#sslsocket{} = SSLSocket, Items) ->
- case connection_information(SSLSocket) of
+connection_information(#sslsocket{pid = Pid}, Items) when is_pid(Pid) ->
+ case ssl_connection:connection_information(Pid, include_security_info(Items)) of
{ok, Info} ->
{ok, [Item || Item = {Key, Value} <- Info, lists:member(Key, Items),
Value =/= undefined]};
@@ -333,21 +330,6 @@ connection_information(#sslsocket{} = SSLSocket, Items) ->
end.
%%--------------------------------------------------------------------
-%% Deprecated
--spec connection_info(#sslsocket{}) -> {ok, {tls_record:tls_atom_version(), ssl_cipher:erl_cipher_suite()}} |
- {error, reason()}.
-%%
-%% Description: Returns ssl protocol and cipher used for the connection
-%%--------------------------------------------------------------------
-connection_info(#sslsocket{} = SSLSocket) ->
- case connection_information(SSLSocket) of
- {ok, Result} ->
- {ok, {proplists:get_value(protocol, Result), proplists:get_value(cipher_suite, Result)}};
- Error ->
- Error
- end.
-
-%%--------------------------------------------------------------------
-spec peername(#sslsocket{}) -> {ok, {inet:ip_address(), inet:port_number()}} | {error, reason()}.
%%
%% Description: same as inet:peername/1.
@@ -392,20 +374,6 @@ negotiated_protocol(#sslsocket{pid = Pid}) ->
ssl_connection:negotiated_protocol(Pid).
%%--------------------------------------------------------------------
--spec negotiated_next_protocol(#sslsocket{}) -> {ok, binary()} | {error, reason()}.
-%%
-%% Description: Returns the next protocol that has been negotiated. If no
-%% protocol has been negotiated will return {error, next_protocol_not_negotiated}
-%%--------------------------------------------------------------------
-negotiated_next_protocol(Socket) ->
- case negotiated_protocol(Socket) of
- {error, protocol_not_negotiated} ->
- {error, next_protocol_not_negotiated};
- Res ->
- Res
- end.
-
-%%--------------------------------------------------------------------
-spec cipher_suites() -> [ssl_cipher:erl_cipher_suite()] | [string()].
%%--------------------------------------------------------------------
cipher_suites() ->
@@ -555,19 +523,6 @@ sockname(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}) when is_pid(Pid)
tls_socket:sockname(Transport, Socket).
%%---------------------------------------------------------------
--spec session_info(#sslsocket{}) -> {ok, list()} | {error, reason()}.
-%%
-%% Description: Returns list of session info currently [{session_id, session_id(),
-%% {cipher_suite, cipher_suite()}]
-%%--------------------------------------------------------------------
-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}.
-
-%%---------------------------------------------------------------
-spec versions() -> [{ssl_app, string()} | {supported, [tls_record:tls_atom_version()]} |
{available, [tls_record:tls_atom_version()]}].
%%
@@ -1480,3 +1435,13 @@ default_cb_info(tls) ->
{gen_tcp, tcp, tcp_closed, tcp_error};
default_cb_info(dtls) ->
{gen_udp, udp, udp_closed, udp_error}.
+
+include_security_info([]) ->
+ false;
+include_security_info([Item | Items]) ->
+ case lists:member(Item, [client_random, server_random, master_secret]) of
+ true ->
+ true;
+ false ->
+ include_security_info(Items)
+ end.
diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl
index 8e6860e9dc..d04f09efdc 100644
--- a/lib/ssl/src/ssl_cipher.erl
+++ b/lib/ssl/src/ssl_cipher.erl
@@ -40,7 +40,7 @@
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_mac_hash/4,
is_stream_ciphersuite/1]).
-export_type([cipher_suite/0,
@@ -157,7 +157,7 @@ cipher_aead(?CHACHA20_POLY1305, CipherState, SeqNo, AAD, Fragment, Version) ->
aead_cipher(chacha20_poly1305, #cipher_state{key=Key} = CipherState, SeqNo, AAD0, Fragment, _Version) ->
CipherLen = erlang:iolist_size(Fragment),
AAD = <<AAD0/binary, ?UINT16(CipherLen)>>,
- Nonce = <<SeqNo:64/integer>>,
+ Nonce = ?uint64(SeqNo),
{Content, CipherTag} = crypto:block_encrypt(chacha20_poly1305, Key, Nonce, {AAD, Fragment}),
{<<Content/binary, CipherTag/binary>>, CipherState};
aead_cipher(Type, #cipher_state{key=Key, iv = IV0, nonce = Nonce} = CipherState, _SeqNo, AAD0, Fragment, _Version) ->
@@ -280,7 +280,7 @@ aead_ciphertext_to_state(chacha20_poly1305, SeqNo, _IV, AAD0, Fragment, _Version
CipherLen = size(Fragment) - 16,
<<CipherText:CipherLen/bytes, CipherTag:16/bytes>> = Fragment,
AAD = <<AAD0/binary, ?UINT16(CipherLen)>>,
- Nonce = <<SeqNo:64/integer>>,
+ Nonce = ?uint64(SeqNo),
{Nonce, AAD, CipherText, CipherTag};
aead_ciphertext_to_state(_, _SeqNo, <<Salt:4/bytes, _/binary>>, AAD0, Fragment, _Version) ->
CipherLen = size(Fragment) - 24,
@@ -1531,10 +1531,6 @@ is_fallback(CipherSuites)->
random_bytes(N) ->
crypto:strong_rand_bytes(N).
-calc_aad(Type, {MajVer, MinVer},
- #{sequence_number := SeqNo}) ->
- <<SeqNo:64/integer, ?BYTE(Type), ?BYTE(MajVer), ?BYTE(MinVer)>>.
-
calc_mac_hash(Type, Version,
PlainFragment, #{sequence_number := SeqNo,
mac_secret := MacSecret,
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index ea139ac4b1..df9b9e8a63 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -42,9 +42,9 @@
%% User Events
-export([send/2, recv/3, close/2, shutdown/2,
- new_user/2, get_opts/2, set_opts/2, session_info/1,
+ new_user/2, get_opts/2, set_opts/2,
peer_certificate/1, renegotiation/1, negotiated_protocol/1, prf/5,
- connection_information/1, handle_common_event/5
+ connection_information/2, handle_common_event/5
]).
%% General gen_statem state functions with extra callback argument
@@ -185,12 +185,12 @@ recv(Pid, Length, Timeout) ->
call(Pid, {recv, Length, Timeout}).
%%--------------------------------------------------------------------
--spec connection_information(pid()) -> {ok, list()} | {error, reason()}.
+-spec connection_information(pid(), boolean()) -> {ok, list()} | {error, reason()}.
%%
%% Description: Get the SNI hostname
%%--------------------------------------------------------------------
-connection_information(Pid) when is_pid(Pid) ->
- call(Pid, connection_information).
+connection_information(Pid, IncludeSecrityInfo) when is_pid(Pid) ->
+ call(Pid, {connection_information, IncludeSecrityInfo}).
%%--------------------------------------------------------------------
-spec close(pid(), {close, Timeout::integer() |
@@ -247,14 +247,6 @@ set_opts(ConnectionPid, Options) ->
call(ConnectionPid, {set_opts, Options}).
%%--------------------------------------------------------------------
--spec session_info(pid()) -> {ok, list()} | {error, reason()}.
-%%
-%% Description: Returns info about the ssl session
-%%--------------------------------------------------------------------
-session_info(ConnectionPid) ->
- call(ConnectionPid, session_info).
-
-%%--------------------------------------------------------------------
-spec peer_certificate(pid()) -> {ok, binary()| undefined} | {error, reason()}.
%%
%% Description: Returns the peer cert
@@ -775,14 +767,12 @@ connection({call, From}, renegotiate, #state{protocol_cb = Connection} = State,
connection({call, From}, peer_certificate,
#state{session = #session{peer_certificate = Cert}} = State, _) ->
hibernate_after(connection, State, [{reply, From, {ok, Cert}}]);
-connection({call, From}, connection_information, State, _) ->
+connection({call, From}, {connection_information, true}, State, _) ->
+ Info = connection_info(State) ++ security_info(State),
+ hibernate_after(connection, State, [{reply, From, {ok, Info}}]);
+connection({call, From}, {connection_information, false}, State, _) ->
Info = connection_info(State),
hibernate_after(connection, State, [{reply, From, {ok, Info}}]);
-connection({call, From}, session_info, #state{session = #session{session_id = Id,
- cipher_suite = Suite}} = State, _) ->
- SessionInfo = [{session_id, Id},
- {cipher_suite, ssl_cipher:erl_suite_definition(Suite)}],
- hibernate_after(connection, State, [{reply, From, SessionInfo}]);
connection({call, From}, negotiated_protocol,
#state{negotiated_protocol = undefined} = State, _) ->
hibernate_after(connection, State, [{reply, From, {error, protocol_not_negotiated}}]);
@@ -1195,7 +1185,8 @@ handle_alert(#alert{level = ?WARNING} = Alert, StateName,
%%% Internal functions
%%--------------------------------------------------------------------
connection_info(#state{sni_hostname = SNIHostname,
- session = #session{cipher_suite = CipherSuite, ecc = ECCCurve},
+ session = #session{session_id = SessionId,
+ cipher_suite = CipherSuite, ecc = ECCCurve},
protocol_cb = Connection,
negotiated_version = {_,_} = Version,
ssl_options = Opts}) ->
@@ -1210,9 +1201,18 @@ connection_info(#state{sni_hostname = SNIHostname,
[]
end,
[{protocol, RecordCB:protocol_version(Version)},
+ {session_id, SessionId},
{cipher_suite, CipherSuiteDef},
{sni_hostname, SNIHostname} | CurveInfo] ++ ssl_options_list(Opts).
+security_info(#state{connection_states = ConnectionStates}) ->
+ #{security_parameters :=
+ #security_parameters{client_random = ClientRand,
+ server_random = ServerRand,
+ master_secret = MasterSecret}} =
+ ssl_record:current_connection_state(ConnectionStates, read),
+ [{client_random, ClientRand}, {server_random, ServerRand}, {master_secret, MasterSecret}].
+
do_server_hello(Type, #hello_extensions{next_protocol_negotiation = NextProtocols} =
ServerHelloExt,
#state{negotiated_version = Version,
diff --git a/lib/ssl/src/ssl_connection.hrl b/lib/ssl/src/ssl_connection.hrl
index b597c059af..368eaf6090 100644
--- a/lib/ssl/src/ssl_connection.hrl
+++ b/lib/ssl/src/ssl_connection.hrl
@@ -91,7 +91,8 @@
%% underlaying packet format. Introduced by DTLS - RFC 4347.
%% The mecahnism is also usefull in TLS although we do not
%% need to worry about packet loss in TLS. In DTLS we need to track DTLS handshake seqnr
- flight_state = reliable %% reliable | {retransmit, integer()}| {waiting, ref(), integer()} - last two is used in DTLS over udp.
+ flight_state = reliable, %% reliable | {retransmit, integer()}| {waiting, ref(), integer()} - last two is used in DTLS over udp.
+ protocol_specific = #{} :: map()
}).
-define(DEFAULT_DIFFIE_HELLMAN_PARAMS,
#'DHParameter'{prime = ?DEFAULT_DIFFIE_HELLMAN_PRIME,
diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl
index c10ec3a2d6..0fbaa82b6a 100644
--- a/lib/ssl/src/ssl_internal.hrl
+++ b/lib/ssl/src/ssl_internal.hrl
@@ -144,7 +144,7 @@
honor_ecc_order :: boolean(),
v2_hello_compatible :: boolean(),
max_handshake_size :: integer()
- }).
+ }).
-record(socket_options,
{
diff --git a/lib/ssl/src/ssl_record.erl b/lib/ssl/src/ssl_record.erl
index 539e189c4f..24e52655b0 100644
--- a/lib/ssl/src/ssl_record.erl
+++ b/lib/ssl/src/ssl_record.erl
@@ -45,11 +45,7 @@
-export([compress/3, uncompress/3, compressions/0]).
%% Payload encryption/decryption
--export([cipher/4, decipher/4, is_correct_mac/2,
- cipher_aead/4, decipher_aead/4]).
-
-%% Encoding
--export([encode_plain_text/4]).
+-export([cipher/4, decipher/4, cipher_aead/4, is_correct_mac/2]).
-export_type([ssl_version/0, ssl_atom_version/0, connection_states/0, connection_state/0]).
@@ -271,26 +267,6 @@ set_pending_cipher_state(#{pending_read := Read,
pending_read => Read#{cipher_state => ServerState},
pending_write => Write#{cipher_state => ClientState}}.
-encode_plain_text(Type, Version, Data, #{compression_state := CompS0,
- security_parameters :=
- #security_parameters{
- cipher_type = ?AEAD,
- compression_algorithm = CompAlg}
- } = WriteState0) ->
- {Comp, CompS1} = ssl_record:compress(CompAlg, Data, CompS0),
- WriteState1 = WriteState0#{compression_state => CompS1},
- AAD = ssl_cipher:calc_aad(Type, Version, WriteState1),
- ssl_record:cipher_aead(Version, Comp, WriteState1, AAD);
-encode_plain_text(Type, Version, Data, #{compression_state := CompS0,
- security_parameters :=
- #security_parameters{compression_algorithm = CompAlg}
- }= WriteState0) ->
- {Comp, CompS1} = ssl_record:compress(CompAlg, Data, CompS0),
- WriteState1 = WriteState0#{compression_state => CompS1},
- MacHash = ssl_cipher:calc_mac_hash(Type, Version, Comp, WriteState1),
- ssl_record:cipher(Version, Comp, WriteState1, MacHash);
-encode_plain_text(_,_,_,CS) ->
- exit({cs, CS}).
uncompress(?NULL, Data, CS) ->
{Data, CS}.
@@ -322,12 +298,12 @@ cipher(Version, Fragment,
{CipherFragment, CipherS1} =
ssl_cipher:cipher(BulkCipherAlgo, CipherS0, MacHash, Fragment, Version),
{CipherFragment, WriteState0#{cipher_state => CipherS1}}.
-%%--------------------------------------------------------------------
--spec cipher_aead(ssl_version(), iodata(), connection_state(), MacHash::binary()) ->
- {CipherFragment::binary(), connection_state()}.
-%%
-%% Description: Payload encryption
-%%--------------------------------------------------------------------
+%% %%--------------------------------------------------------------------
+%% -spec cipher_aead(ssl_version(), iodata(), connection_state(), MacHash::binary()) ->
+%% {CipherFragment::binary(), connection_state()}.
+%% %%
+%% %% Description: Payload encryption
+%% %%--------------------------------------------------------------------
cipher_aead(Version, Fragment,
#{cipher_state := CipherS0,
sequence_number := SeqNo,
@@ -341,7 +317,8 @@ cipher_aead(Version, Fragment,
{CipherFragment, WriteState0#{cipher_state => CipherS1}}.
%%--------------------------------------------------------------------
--spec decipher(ssl_version(), binary(), connection_state(), boolean()) -> {binary(), binary(), connection_state} | #alert{}.
+-spec decipher(ssl_version(), binary(), connection_state(), boolean()) ->
+ {binary(), binary(), connection_state} | #alert{}.
%%
%% Description: Payload decryption
%%--------------------------------------------------------------------
@@ -359,26 +336,7 @@ decipher(Version, CipherFragment,
#alert{} = Alert ->
Alert
end.
-%%--------------------------------------------------------------------
--spec decipher_aead(ssl_version(), binary(), connection_state(), binary()) ->
- {binary(), binary(), connection_state()} | #alert{}.
-%%
-%% Description: Payload decryption
-%%--------------------------------------------------------------------
-decipher_aead(Version, CipherFragment,
- #{sequence_number := SeqNo,
- security_parameters :=
- #security_parameters{bulk_cipher_algorithm =
- BulkCipherAlgo},
- cipher_state := CipherS0
- } = ReadState, AAD) ->
- case ssl_cipher:decipher_aead(BulkCipherAlgo, CipherS0, SeqNo, AAD, CipherFragment, Version) of
- {PlainFragment, CipherS1} ->
- CS1 = ReadState#{cipher_state => CipherS1},
- {PlainFragment, CS1};
- #alert{} = Alert ->
- Alert
- end.
+
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index c6e530e164..bda6bf0349 100644
--- a/lib/ssl/src/tls_connection.erl
+++ b/lib/ssl/src/tls_connection.erl
@@ -397,23 +397,36 @@ handle_info({Protocol, _, Data}, StateName,
end;
handle_info({CloseTag, Socket}, StateName,
#state{socket = Socket, close_tag = CloseTag,
+ socket_options = #socket_options{active = Active},
+ protocol_buffers = #protocol_buffers{tls_cipher_texts = CTs},
negotiated_version = Version} = State) ->
+
%% Note that as of TLS 1.1,
%% failure to properly close a connection no longer requires that a
%% session not be resumed. This is a change from TLS 1.0 to conform
%% with widespread implementation practice.
- case Version of
- {1, N} when N >= 1 ->
- ok;
- _ ->
- %% As invalidate_sessions here causes performance issues,
- %% we will conform to the widespread implementation
- %% practice and go aginst the spec
- %%invalidate_session(Role, Host, Port, Session)
- ok
- end,
- ssl_connection:handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State),
- {stop, {shutdown, transport_closed}};
+
+ case (Active == false) andalso (CTs =/= []) of
+ false ->
+ case Version of
+ {1, N} when N >= 1 ->
+ ok;
+ _ ->
+ %% As invalidate_sessions here causes performance issues,
+ %% we will conform to the widespread implementation
+ %% practice and go aginst the spec
+ %%invalidate_session(Role, Host, Port, Session)
+ ok
+ end,
+
+ ssl_connection:handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State),
+ {stop, {shutdown, transport_closed}};
+ true ->
+ %% Fixes non-delivery of final TLS record in {active, once}.
+ %% Basically allows the application the opportunity to set {active, once} again
+ %% and then receive the final message.
+ next_event(StateName, no_record, State)
+ end;
handle_info(Msg, StateName, State) ->
ssl_connection:handle_info(Msg, StateName, State).
diff --git a/lib/ssl/src/tls_record.erl b/lib/ssl/src/tls_record.erl
index 993a1622fe..065c6dc8a7 100644
--- a/lib/ssl/src/tls_record.erl
+++ b/lib/ssl/src/tls_record.erl
@@ -372,7 +372,7 @@ get_tls_records_aux(Data, Acc) ->
end.
encode_plain_text(Type, Version, Data, #{current_write := Write0} = ConnectionStates) ->
- {CipherFragment, Write1} = ssl_record:encode_plain_text(Type, Version, Data, Write0),
+ {CipherFragment, Write1} = do_encode_plain_text(Type, Version, Data, Write0),
{CipherText, Write} = encode_tls_cipher_text(Type, Version, CipherFragment, Write1),
{CipherText, ConnectionStates#{current_write => Write}}.
@@ -446,19 +446,24 @@ decode_cipher_text(#ssl_tls{type = Type, version = Version,
#{current_read :=
#{compression_state := CompressionS0,
sequence_number := Seq,
+ cipher_state := CipherS0,
security_parameters :=
#security_parameters{
cipher_type = ?AEAD,
+ bulk_cipher_algorithm =
+ BulkCipherAlgo,
compression_algorithm = CompAlg}
} = ReadState0} = ConnnectionStates0, _) ->
- AAD = ssl_cipher:calc_aad(Type, Version, ReadState0),
- case ssl_record:decipher_aead(Version, CipherFragment, ReadState0, AAD) of
- {PlainFragment, ReadState1} ->
+ AAD = calc_aad(Type, Version, ReadState0),
+ case ssl_cipher:decipher_aead(BulkCipherAlgo, CipherS0, Seq, AAD, CipherFragment, Version) of
+ {PlainFragment, CipherS1} ->
{Plain, CompressionS1} = ssl_record:uncompress(CompAlg,
PlainFragment, CompressionS0),
ConnnectionStates = ConnnectionStates0#{
- current_read => ReadState1#{sequence_number => Seq + 1,
- compression_state => CompressionS1}},
+ current_read => ReadState0#{
+ cipher_state => CipherS1,
+ sequence_number => Seq + 1,
+ compression_state => CompressionS1}},
{CipherText#ssl_tls{fragment = Plain}, ConnnectionStates};
#alert{} = Alert ->
Alert
@@ -489,4 +494,29 @@ decode_cipher_text(#ssl_tls{type = Type, version = Version,
end;
#alert{} = Alert ->
Alert
- end.
+ end.
+
+do_encode_plain_text(Type, Version, Data, #{compression_state := CompS0,
+ security_parameters :=
+ #security_parameters{
+ cipher_type = ?AEAD,
+ compression_algorithm = CompAlg}
+ } = WriteState0) ->
+ {Comp, CompS1} = ssl_record:compress(CompAlg, Data, CompS0),
+ WriteState1 = WriteState0#{compression_state => CompS1},
+ AAD = calc_aad(Type, Version, WriteState1),
+ ssl_record:cipher_aead(Version, Comp, WriteState1, AAD);
+do_encode_plain_text(Type, Version, Data, #{compression_state := CompS0,
+ security_parameters :=
+ #security_parameters{compression_algorithm = CompAlg}
+ }= WriteState0) ->
+ {Comp, CompS1} = ssl_record:compress(CompAlg, Data, CompS0),
+ WriteState1 = WriteState0#{compression_state => CompS1},
+ MacHash = ssl_cipher:calc_mac_hash(Type, Version, Comp, WriteState1),
+ ssl_record:cipher(Version, Comp, WriteState1, MacHash);
+do_encode_plain_text(_,_,_,CS) ->
+ exit({cs, CS}).
+
+calc_aad(Type, {MajVer, MinVer},
+ #{sequence_number := SeqNo}) ->
+ <<?UINT64(SeqNo), ?BYTE(Type), ?BYTE(MajVer), ?BYTE(MinVer)>>.