diff options
Diffstat (limited to 'lib/ssl/src')
-rw-r--r-- | lib/ssl/src/dtls_connection.erl | 93 | ||||
-rw-r--r-- | lib/ssl/src/dtls_handshake.hrl | 3 | ||||
-rw-r--r-- | lib/ssl/src/dtls_socket.erl | 19 | ||||
-rw-r--r-- | lib/ssl/src/dtls_udp_listener.erl | 47 | ||||
-rw-r--r-- | lib/ssl/src/ssl.erl | 14 | ||||
-rw-r--r-- | lib/ssl/src/ssl_alert.erl | 76 | ||||
-rw-r--r-- | lib/ssl/src/ssl_alert.hrl | 1 | ||||
-rw-r--r-- | lib/ssl/src/ssl_cipher.erl | 4 | ||||
-rw-r--r-- | lib/ssl/src/ssl_connection.erl | 36 | ||||
-rw-r--r-- | lib/ssl/src/ssl_handshake.erl | 20 | ||||
-rw-r--r-- | lib/ssl/src/tls_connection.erl | 19 |
11 files changed, 231 insertions, 101 deletions
diff --git a/lib/ssl/src/dtls_connection.erl b/lib/ssl/src/dtls_connection.erl index 2de947d8b4..b6aafc3fa4 100644 --- a/lib/ssl/src/dtls_connection.erl +++ b/lib/ssl/src/dtls_connection.erl @@ -48,7 +48,7 @@ select_sni_extension/1]). %% Alert and close handling --export([encode_alert/3,send_alert/2, close/5]). +-export([encode_alert/3,send_alert/2, close/5, protocol_name/0]). %% Data handling @@ -115,7 +115,7 @@ send_handshake_flight(#state{socket = Socket, {Encoded, ConnectionStates} = encode_handshake_flight(lists:reverse(Flight), Version, 1400, Epoch, ConnectionStates0), send(Transport, Socket, Encoded), - start_flight(State0#state{connection_states = ConnectionStates}); + {State0#state{connection_states = ConnectionStates}, []}; send_handshake_flight(#state{socket = Socket, transport_cb = Transport, @@ -129,7 +129,7 @@ send_handshake_flight(#state{socket = Socket, {EncChangeCipher, ConnectionStates} = encode_change_cipher(ChangeCipher, Version, Epoch, ConnectionStates1), send(Transport, Socket, [HsBefore, EncChangeCipher]), - start_flight(State0#state{connection_states = ConnectionStates}); + {State0#state{connection_states = ConnectionStates}, []}; send_handshake_flight(#state{socket = Socket, transport_cb = Transport, @@ -145,7 +145,7 @@ send_handshake_flight(#state{socket = Socket, {HsAfter, ConnectionStates} = encode_handshake_flight(lists:reverse(Flight1), Version, 1400, Epoch, ConnectionStates2), send(Transport, Socket, [HsBefore, EncChangeCipher, HsAfter]), - start_flight(State0#state{connection_states = ConnectionStates}); + {State0#state{connection_states = ConnectionStates}, []}; send_handshake_flight(#state{socket = Socket, transport_cb = Transport, @@ -159,7 +159,7 @@ send_handshake_flight(#state{socket = Socket, {HsAfter, ConnectionStates} = encode_handshake_flight(lists:reverse(Flight1), Version, 1400, Epoch, ConnectionStates1), send(Transport, Socket, [EncChangeCipher, HsAfter]), - start_flight(State0#state{connection_states = ConnectionStates}). + {State0#state{connection_states = ConnectionStates}, []}. queue_change_cipher(ChangeCipher, #state{flight_buffer = Flight, connection_states = ConnectionStates0} = State) -> @@ -208,6 +208,9 @@ setopts(Transport, Socket, Other) -> getopts(Transport, Socket, Tag) -> dtls_socket:getopts(Transport, Socket, Tag). +protocol_name() -> + "DTLS". + %%==================================================================== %% tls_connection_sup API %%==================================================================== @@ -235,12 +238,14 @@ init([Role, Host, Port, Socket, Options, User, CbInfo]) -> end. callback_mode() -> - state_functions. + [state_functions, state_enter]. %%-------------------------------------------------------------------- %% State functions %%-------------------------------------------------------------------- +init(enter, _, State) -> + {keep_state, State}; init({call, From}, {start, Timeout}, #state{host = Host, port = Port, role = client, ssl_options = SslOpts, @@ -282,6 +287,8 @@ init({call, _} = Type, Event, #state{role = server} = State) -> init(Type, Event, State) -> ssl_connection:init(Type, Event, State, ?MODULE). +error(enter, _, State) -> + {keep_state, State}; error({call, From}, {start, _Timeout}, {Error, State}) -> {stop_and_reply, normal, {reply, From, {error, Error}}, State}; error({call, From}, Msg, State) -> @@ -295,6 +302,11 @@ error(_, _, _) -> #state{}) -> gen_statem:state_function_result(). %%-------------------------------------------------------------------- +hello(enter, _, #state{role = server} = State) -> + {keep_state, State}; +hello(enter, _, #state{role = client} = State0) -> + {State, Actions} = handle_flight_timer(State0), + {keep_state, State, Actions}; hello(internal, #client_hello{cookie = <<>>, client_version = Version} = Hello, #state{role = server, transport_cb = Transport, @@ -302,7 +314,13 @@ hello(internal, #client_hello{cookie = <<>>, protocol_specific = #{current_cookie_secret := Secret}} = State0) -> {ok, {IP, Port}} = dtls_socket:peername(Transport, Socket), Cookie = dtls_handshake:cookie(Secret, IP, Port, Hello), - VerifyRequest = dtls_handshake:hello_verify_request(Cookie, Version), + %% FROM RFC 6347 regarding HelloVerifyRequest message: + %% The server_version field has the same syntax as in TLS. However, in + %% order to avoid the requirement to do version negotiation in the + %% initial handshake, DTLS 1.2 server implementations SHOULD use DTLS + %% version 1.0 regardless of the version of TLS that is expected to be + %% negotiated. + VerifyRequest = dtls_handshake:hello_verify_request(Cookie, ?HELLO_VERIFY_REQUEST_VERSION), State1 = prepare_flight(State0#state{negotiated_version = Version}), {State2, Actions} = send_handshake(VerifyRequest, State1), {Record, State} = next_record(State2), @@ -374,6 +392,9 @@ hello(state_timeout, Event, State) -> hello(Type, Event, State) -> ssl_connection:hello(Type, Event, State, ?MODULE). +abbreviated(enter, _, State0) -> + {State, Actions} = handle_flight_timer(State0), + {keep_state, State, Actions}; abbreviated(info, Event, State) -> handle_info(Event, abbreviated, State); abbreviated(internal = Type, @@ -391,6 +412,9 @@ abbreviated(state_timeout, Event, State) -> abbreviated(Type, Event, State) -> ssl_connection:abbreviated(Type, Event, State, ?MODULE). +certify(enter, _, State0) -> + {State, Actions} = handle_flight_timer(State0), + {keep_state, State, Actions}; certify(info, Event, State) -> handle_info(Event, certify, State); certify(internal = Type, #server_hello_done{} = Event, State) -> @@ -400,6 +424,9 @@ certify(state_timeout, Event, State) -> certify(Type, Event, State) -> ssl_connection:certify(Type, Event, State, ?MODULE). +cipher(enter, _, State0) -> + {State, Actions} = handle_flight_timer(State0), + {keep_state, State, Actions}; cipher(info, Event, State) -> handle_info(Event, cipher, State); cipher(internal = Type, #change_cipher_spec{type = <<1>>} = Event, @@ -417,6 +444,8 @@ cipher(state_timeout, Event, State) -> cipher(Type, Event, State) -> ssl_connection:cipher(Type, Event, State, ?MODULE). +connection(enter, _, State) -> + {keep_state, State}; connection(info, Event, State) -> handle_info(Event, connection, State); connection(internal, #hello_request{}, #state{host = Host, port = Port, @@ -449,6 +478,9 @@ connection(internal, #client_hello{}, #state{role = server, allow_renegotiate = connection(Type, Event, State) -> ssl_connection:connection(Type, Event, State, ?MODULE). +%%TODO does this make sense for DTLS ? +downgrade(enter, _, State) -> + {keep_state, State}; downgrade(Type, Event, State) -> ssl_connection:downgrade(Type, Event, State, ?MODULE). @@ -695,7 +727,7 @@ next_record(#state{unprocessed_handshake_events = N} = State) when N > 0 -> next_record(#state{protocol_buffers = #protocol_buffers{dtls_cipher_texts = [#ssl_tls{epoch = Epoch} = CT | Rest]} = Buffers, - connection_states = ConnectionStates} = State) -> + connection_states = #{current_read := #{epoch := Epoch}} = ConnectionStates} = State) -> CurrentRead = dtls_record:get_connection_state_by_epoch(Epoch, ConnectionStates, read), case dtls_record:replay_detect(CT, CurrentRead) of false -> @@ -706,6 +738,23 @@ next_record(#state{protocol_buffers = Buffers#protocol_buffers{dtls_cipher_texts = Rest}, connection_states = ConnectionStates}) end; +next_record(#state{protocol_buffers = + #protocol_buffers{dtls_cipher_texts = [#ssl_tls{epoch = Epoch} | Rest]} + = Buffers, + connection_states = #{current_read := #{epoch := CurrentEpoch}} = ConnectionStates} = State) + when Epoch > CurrentEpoch -> + %% TODO Buffer later Epoch message, drop it for now + next_record(State#state{protocol_buffers = + Buffers#protocol_buffers{dtls_cipher_texts = Rest}, + connection_states = ConnectionStates}); +next_record(#state{protocol_buffers = + #protocol_buffers{dtls_cipher_texts = [ _ | Rest]} + = Buffers, + connection_states = ConnectionStates} = State) -> + %% Drop old epoch message + next_record(State#state{protocol_buffers = + Buffers#protocol_buffers{dtls_cipher_texts = Rest}, + connection_states = ConnectionStates}); next_record(#state{role = server, socket = {Listener, {Client, _}}, transport_cb = gen_udp} = State) -> @@ -750,14 +799,16 @@ next_event(connection = StateName, no_record, {#ssl_tls{epoch = Epoch, type = ?HANDSHAKE, version = _Version}, State1} = _Record when Epoch == CurrentEpoch-1 -> - {State, MoreActions} = send_handshake_flight(State1, CurrentEpoch), - {next_state, StateName, State, Actions ++ MoreActions}; + {State2, MoreActions} = send_handshake_flight(State1, CurrentEpoch), + {NextRecord, State} = next_record(State2), + next_event(StateName, NextRecord, State, Actions ++ MoreActions); %% From FLIGHT perspective CHANGE_CIPHER_SPEC is treated as a handshake {#ssl_tls{epoch = Epoch, type = ?CHANGE_CIPHER_SPEC, version = _Version}, State1} = _Record when Epoch == CurrentEpoch-1 -> - {State, MoreActions} = send_handshake_flight(State1, CurrentEpoch), - {next_state, StateName, State, Actions ++ MoreActions}; + {State2, MoreActions} = send_handshake_flight(State1, CurrentEpoch), + {NextRecord, State} = next_record(State2), + next_event(StateName, NextRecord, State, Actions ++ MoreActions); {#ssl_tls{epoch = _Epoch, version = _Version}, State1} -> %% TODO maybe buffer later epoch @@ -774,14 +825,16 @@ next_event(connection = StateName, Record, #ssl_tls{epoch = Epoch, type = ?HANDSHAKE, version = _Version} when Epoch == CurrentEpoch-1 -> - {State, MoreActions} = send_handshake_flight(State0, CurrentEpoch), - {next_state, StateName, State, Actions ++ MoreActions}; + {State1, MoreActions} = send_handshake_flight(State0, CurrentEpoch), + {NextRecord, State} = next_record(State1), + next_event(StateName, NextRecord, State, Actions ++ MoreActions); %% From FLIGHT perspective CHANGE_CIPHER_SPEC is treated as a handshake #ssl_tls{epoch = Epoch, type = ?CHANGE_CIPHER_SPEC, version = _Version} when Epoch == CurrentEpoch-1 -> - {State, MoreActions} = send_handshake_flight(State0, CurrentEpoch), - {next_state, StateName, State, Actions ++ MoreActions}; + {State1, MoreActions} = send_handshake_flight(State0, CurrentEpoch), + {NextRecord, State} = next_record(State1), + next_event(StateName, NextRecord, State, Actions ++ MoreActions); _ -> next_event(StateName, no_record, State0, Actions) end; @@ -841,13 +894,13 @@ next_flight(Flight) -> change_cipher_spec => undefined, handshakes_after_change_cipher_spec => []}. -start_flight(#state{transport_cb = gen_udp, - flight_state = {retransmit, Timeout}} = State) -> +handle_flight_timer(#state{transport_cb = gen_udp, + flight_state = {retransmit, Timeout}} = State) -> start_retransmision_timer(Timeout, State); -start_flight(#state{transport_cb = gen_udp, +handle_flight_timer(#state{transport_cb = gen_udp, flight_state = connection} = State) -> {State, []}; -start_flight(State) -> +handle_flight_timer(State) -> %% No retransmision needed i.e DTLS over SCTP {State#state{flight_state = reliable}, []}. diff --git a/lib/ssl/src/dtls_handshake.hrl b/lib/ssl/src/dtls_handshake.hrl index 0a980c5f31..50e92027d2 100644 --- a/lib/ssl/src/dtls_handshake.hrl +++ b/lib/ssl/src/dtls_handshake.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2013-2016. All Rights Reserved. +%% Copyright Ericsson AB 2013-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -29,6 +29,7 @@ -include("ssl_handshake.hrl"). %% Common TLS and DTLS records and Constantes -define(HELLO_VERIFY_REQUEST, 3). +-define(HELLO_VERIFY_REQUEST_VERSION, {254, 255}). -record(client_hello, { client_version, diff --git a/lib/ssl/src/dtls_socket.erl b/lib/ssl/src/dtls_socket.erl index 2a746d97f0..fbbd479428 100644 --- a/lib/ssl/src/dtls_socket.erl +++ b/lib/ssl/src/dtls_socket.erl @@ -79,30 +79,31 @@ socket(Pid, Transport, Socket, ConnectionCb) -> #sslsocket{pid = Pid, %% "The name "fd" is keept for backwards compatibility fd = {Transport, Socket, ConnectionCb}}. -%% Vad göra med emulerade -setopts(gen_udp, #sslsocket{pid = {Socket, _}}, Options) -> - {SockOpts, _} = tls_socket:split_options(Options), - inet:setopts(Socket, SockOpts); -setopts(_, #sslsocket{pid = {ListenSocket, #config{transport_info = {Transport,_,_,_}}}}, Options) -> - {SockOpts, _} = tls_socket:split_options(Options), - Transport:setopts(ListenSocket, SockOpts); +setopts(_, #sslsocket{pid = {udp, #config{udp_handler = {ListenPid, _}}}}, Options) -> + SplitOpts = tls_socket:split_options(Options), + dtls_udp_listener:set_sock_opts(ListenPid, SplitOpts); %%% Following clauses will not be called for emulated options, they are handled in the connection process setopts(gen_udp, Socket, Options) -> inet:setopts(Socket, Options); setopts(Transport, Socket, Options) -> Transport:setopts(Socket, Options). +getopts(_, #sslsocket{pid = {udp, #config{udp_handler = {ListenPid, _}}}}, Options) -> + SplitOpts = tls_socket:split_options(Options), + dtls_udp_listener:get_sock_opts(ListenPid, SplitOpts); getopts(gen_udp, #sslsocket{pid = {Socket, #config{emulated = EmOpts}}}, Options) -> {SockOptNames, EmulatedOptNames} = tls_socket:split_options(Options), EmulatedOpts = get_emulated_opts(EmOpts, EmulatedOptNames), SocketOpts = tls_socket:get_socket_opts(Socket, SockOptNames, inet), {ok, EmulatedOpts ++ SocketOpts}; -getopts(Transport, #sslsocket{pid = {ListenSocket, #config{emulated = EmOpts}}}, Options) -> +getopts(_Transport, #sslsocket{pid = {Socket, #config{emulated = EmOpts}}}, Options) -> {SockOptNames, EmulatedOptNames} = tls_socket:split_options(Options), EmulatedOpts = get_emulated_opts(EmOpts, EmulatedOptNames), - SocketOpts = tls_socket:get_socket_opts(ListenSocket, SockOptNames, Transport), + SocketOpts = tls_socket:get_socket_opts(Socket, SockOptNames, inet), {ok, EmulatedOpts ++ SocketOpts}; %%% Following clauses will not be called for emulated options, they are handled in the connection process +getopts(gen_udp, {_,{{_, _},Socket}}, Options) -> + inet:getopts(Socket, Options); getopts(gen_udp, {_,Socket}, Options) -> inet:getopts(Socket, Options); getopts(Transport, Socket, Options) -> diff --git a/lib/ssl/src/dtls_udp_listener.erl b/lib/ssl/src/dtls_udp_listener.erl index 29380e3008..c789a32087 100644 --- a/lib/ssl/src/dtls_udp_listener.erl +++ b/lib/ssl/src/dtls_udp_listener.erl @@ -23,9 +23,11 @@ -behaviour(gen_server). +-include("ssl_internal.hrl"). + %% API -export([start_link/4, active_once/3, accept/2, sockname/1, close/1, - get_all_opts/1]). + get_all_opts/1, get_sock_opts/2, set_sock_opts/2]). %% gen_server callbacks -export([init/1, handle_call/3, handle_cast/2, handle_info/2, @@ -61,8 +63,12 @@ sockname(UDPConnection) -> call(UDPConnection, sockname). close(UDPConnection) -> call(UDPConnection, close). +get_sock_opts(UDPConnection, SplitSockOpts) -> + call(UDPConnection, {get_sock_opts, SplitSockOpts}). get_all_opts(UDPConnection) -> call(UDPConnection, get_all_opts). +set_sock_opts(UDPConnection, Opts) -> + call(UDPConnection, {set_sock_opts, Opts}). %%%=================================================================== %%% gen_server callbacks @@ -108,9 +114,21 @@ handle_call(close, _, #state{dtls_processes = Processes, end, queue:to_list(Accepters)), {reply, ok, State#state{close = true, accepters = queue:new()}} end; +handle_call({get_sock_opts, {SocketOptNames, EmOptNames}}, _, #state{listner = Socket, + emulated_options = EmOpts} = State) -> + case get_socket_opts(Socket, SocketOptNames) of + {ok, Opts} -> + {reply, {ok, emulated_opts_list(EmOpts, EmOptNames, []) ++ Opts}, State}; + {error, Reason} -> + {reply, {error, Reason}, State} + end; handle_call(get_all_opts, _, #state{dtls_options = DTLSOptions, emulated_options = EmOpts} = State) -> - {reply, {ok, EmOpts, DTLSOptions}, State}. + {reply, {ok, EmOpts, DTLSOptions}, State}; +handle_call({set_sock_opts, {SocketOpts, NewEmOpts}}, _, #state{listner = Socket, emulated_options = EmOpts0} = State) -> + set_socket_opts(Socket, SocketOpts), + EmOpts = do_set_emulated_opts(NewEmOpts, EmOpts0), + {reply, ok, State#state{emulated_options = EmOpts}}. handle_cast({active_once, Client, Pid}, State0) -> State = handle_active_once(Client, Pid, State0), @@ -259,3 +277,28 @@ call(Server, Msg) -> exit:{{shutdown, _},_} -> {error, closed} end. + +set_socket_opts(_, []) -> + ok; +set_socket_opts(Socket, SocketOpts) -> + inet:setopts(Socket, SocketOpts). + +get_socket_opts(_, []) -> + {ok, []}; +get_socket_opts(Socket, SocketOpts) -> + inet:getopts(Socket, SocketOpts). + +do_set_emulated_opts([], Opts) -> + Opts; +do_set_emulated_opts([{mode, Value} | Rest], Opts) -> + do_set_emulated_opts(Rest, Opts#socket_options{mode = Value}); +do_set_emulated_opts([{active, Value} | Rest], Opts) -> + do_set_emulated_opts(Rest, Opts#socket_options{active = Value}). + +emulated_opts_list(_,[], Acc) -> + Acc; +emulated_opts_list( Opts, [mode | Rest], Acc) -> + emulated_opts_list(Opts, Rest, [{mode, Opts#socket_options.mode} | Acc]); +emulated_opts_list(Opts, [active | Rest], Acc) -> + emulated_opts_list(Opts, Rest, [{active, Opts#socket_options.active} | Acc]). + diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index 5421bdef99..801aa8f256 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -427,6 +427,16 @@ eccs_filter_supported(Curves) -> %%-------------------------------------------------------------------- getopts(#sslsocket{pid = Pid}, OptionTags) when is_pid(Pid), is_list(OptionTags) -> ssl_connection:get_opts(Pid, OptionTags); +getopts(#sslsocket{pid = {udp, #config{transport_info = {Transport,_,_,_}}}} = ListenSocket, OptionTags) when is_list(OptionTags) -> + try dtls_socket:getopts(Transport, ListenSocket, OptionTags) of + {ok, _} = Result -> + Result; + {error, InetError} -> + {error, {options, {socket_options, OptionTags, InetError}}} + catch + _:Error -> + {error, {options, {socket_options, OptionTags, Error}}} + end; getopts(#sslsocket{pid = {_, #config{transport_info = {Transport,_,_,_}}}} = ListenSocket, OptionTags) when is_list(OptionTags) -> try tls_socket:getopts(Transport, ListenSocket, OptionTags) of @@ -455,7 +465,7 @@ setopts(#sslsocket{pid = Pid}, Options0) when is_pid(Pid), is_list(Options0) -> _:_ -> {error, {options, {not_a_proplist, Options0}}} end; -setopts(#sslsocket{pid = {{udp, _}, #config{transport_info = {Transport,_,_,_}}}} = ListenSocket, Options) when is_list(Options) -> +setopts(#sslsocket{pid = {udp, #config{transport_info = {Transport,_,_,_}}}} = ListenSocket, Options) when is_list(Options) -> try dtls_socket:setopts(Transport, ListenSocket, Options) of ok -> ok; @@ -559,7 +569,7 @@ renegotiate(#sslsocket{pid = {Listen,_}}) when is_port(Listen) -> %%-------------------------------------------------------------------- -spec prf(#sslsocket{}, binary() | 'master_secret', binary(), - binary() | prf_random(), non_neg_integer()) -> + [binary() | prf_random()], non_neg_integer()) -> {ok, binary()} | {error, reason()}. %% %% Description: use a ssl sessions TLS PRF to generate key material diff --git a/lib/ssl/src/ssl_alert.erl b/lib/ssl/src/ssl_alert.erl index 696a55e4b9..b923785e17 100644 --- a/lib/ssl/src/ssl_alert.erl +++ b/lib/ssl/src/ssl_alert.erl @@ -57,16 +57,16 @@ decode(Bin) -> reason_code(#alert{description = ?CLOSE_NOTIFY}, _) -> closed; reason_code(#alert{description = Description}, _) -> - {tls_alert, description_txt(Description)}. + {tls_alert, string:to_lower(description_txt(Description))}. %%-------------------------------------------------------------------- -spec alert_txt(#alert{}) -> string(). %% %% Description: Returns the error string for given alert. %%-------------------------------------------------------------------- -alert_txt(#alert{level = Level, description = Description, where = {Mod,Line}, reason = undefined}) -> - Mod ++ ":" ++ integer_to_list(Line) ++ ":" ++ - level_txt(Level) ++" "++ description_txt(Description); +alert_txt(#alert{level = Level, description = Description, where = {Mod,Line}, reason = undefined, role = Role}) -> + "at " ++ Mod ++ ":" ++ integer_to_list(Line) ++ " " ++ string:to_upper(atom_to_list(Role)) ++ " ALERT: " ++ + level_txt(Level) ++ description_txt(Description); alert_txt(#alert{reason = Reason} = Alert) -> BaseTxt = alert_txt(Alert#alert{reason = undefined}), FormatDepth = 9, % Some limit on printed representation of an error @@ -93,73 +93,73 @@ decode(<<>>, Acc, _) -> lists:reverse(Acc, []). level_txt(?WARNING) -> - "Warning:"; + "Warning - "; level_txt(?FATAL) -> - "Fatal error:". + "Fatal - ". description_txt(?CLOSE_NOTIFY) -> - "close notify"; + "Close Notify"; description_txt(?UNEXPECTED_MESSAGE) -> - "unexpected message"; + "Unexpected Message"; description_txt(?BAD_RECORD_MAC) -> - "bad record mac"; + "Bad Record MAC"; description_txt(?DECRYPTION_FAILED) -> - "decryption failed"; + "Decryption Failed"; description_txt(?RECORD_OVERFLOW) -> - "record overflow"; + "Record Overflow"; description_txt(?DECOMPRESSION_FAILURE) -> - "decompression failure"; + "Decompression Failure"; description_txt(?HANDSHAKE_FAILURE) -> - "handshake failure"; + "Handshake Failure"; description_txt(?NO_CERTIFICATE_RESERVED) -> - "No certificate reserved"; + "No Certificate Reserved"; description_txt(?BAD_CERTIFICATE) -> - "bad certificate"; + "Bad Certificate"; description_txt(?UNSUPPORTED_CERTIFICATE) -> - "unsupported certificate"; + "Unsupported Certificate"; description_txt(?CERTIFICATE_REVOKED) -> - "certificate revoked"; + "Certificate Revoked"; description_txt(?CERTIFICATE_EXPIRED) -> - "certificate expired"; + "Certificate Expired"; description_txt(?CERTIFICATE_UNKNOWN) -> - "certificate unknown"; + "Certificate Unknown"; description_txt(?ILLEGAL_PARAMETER) -> - "illegal parameter"; + "Illegal Parameter"; description_txt(?UNKNOWN_CA) -> - "unknown ca"; + "Unknown CA"; description_txt(?ACCESS_DENIED) -> - "access denied"; + "Access Denied"; description_txt(?DECODE_ERROR) -> - "decode error"; + "Decode Error"; description_txt(?DECRYPT_ERROR) -> - "decrypt error"; + "Decrypt Error"; description_txt(?EXPORT_RESTRICTION) -> - "export restriction"; + "Export Restriction"; description_txt(?PROTOCOL_VERSION) -> - "protocol version"; + "Protocol Version"; description_txt(?INSUFFICIENT_SECURITY) -> - "insufficient security"; + "Insufficient Security"; description_txt(?INTERNAL_ERROR) -> - "internal error"; + "Internal Error"; description_txt(?USER_CANCELED) -> - "user canceled"; + "User Canceled"; description_txt(?NO_RENEGOTIATION) -> - "no renegotiation"; + "No Renegotiation"; description_txt(?UNSUPPORTED_EXTENSION) -> - "unsupported extension"; + "Unsupported Extension"; description_txt(?CERTIFICATE_UNOBTAINABLE) -> - "certificate unobtainable"; + "Certificate Unobtainable"; description_txt(?UNRECOGNISED_NAME) -> - "unrecognised name"; + "Unrecognised Name"; description_txt(?BAD_CERTIFICATE_STATUS_RESPONSE) -> - "bad certificate status response"; + "Bad Certificate Status Response"; description_txt(?BAD_CERTIFICATE_HASH_VALUE) -> - "bad certificate hash value"; + "Bad Certificate Hash Value"; description_txt(?UNKNOWN_PSK_IDENTITY) -> - "unknown psk identity"; + "Unknown Psk Identity"; description_txt(?INAPPROPRIATE_FALLBACK) -> - "inappropriate fallback"; + "Inappropriate Fallback"; description_txt(?NO_APPLICATION_PROTOCOL) -> - "no application protocol"; + "No application protocol"; description_txt(Enum) -> lists:flatten(io_lib:format("unsupported/unknown alert: ~p", [Enum])). diff --git a/lib/ssl/src/ssl_alert.hrl b/lib/ssl/src/ssl_alert.hrl index f3743ba0f0..1aabb6c55a 100644 --- a/lib/ssl/src/ssl_alert.hrl +++ b/lib/ssl/src/ssl_alert.hrl @@ -118,6 +118,7 @@ level, description, where = {?FILE, ?LINE}, + role, reason }). -endif. % -ifdef(ssl_alert). diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl index bd60197c88..50c5f0d755 100644 --- a/lib/ssl/src/ssl_cipher.erl +++ b/lib/ssl/src/ssl_cipher.erl @@ -335,7 +335,9 @@ all_suites(Version) -> anonymous_suites({3, N}) -> anonymous_suites(N); - +anonymous_suites({254, _} = Version) -> + anonymous_suites(dtls_v1:corresponding_tls_version(Version)) + -- [?TLS_DH_anon_WITH_RC4_128_MD5]; anonymous_suites(N) when N >= 3 -> [?TLS_DH_anon_WITH_AES_128_GCM_SHA256, diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index fb87662c7b..1afc4ad2af 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -264,7 +264,7 @@ renegotiation(ConnectionPid) -> %%-------------------------------------------------------------------- -spec prf(pid(), binary() | 'master_secret', binary(), - binary() | ssl:prf_random(), non_neg_integer()) -> + [binary() | ssl:prf_random()], non_neg_integer()) -> {ok, binary()} | {error, reason()} | {'EXIT', term()}. %% %% Description: use a ssl sessions TLS PRF to generate key material @@ -1143,7 +1143,7 @@ handle_alert(#alert{level = ?FATAL} = Alert, StateName, port = Port, session = Session, user_application = {_Mon, Pid}, role = Role, socket_options = Opts, tracker = Tracker}) -> invalidate_session(Role, Host, Port, Session), - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}), alert_user(Transport, Tracker, Socket, StateName, Opts, Pid, From, Alert, Role, Connection), {stop, normal}; @@ -1153,15 +1153,16 @@ handle_alert(#alert{level = ?WARNING, description = ?CLOSE_NOTIFY} = Alert, {stop, {shutdown, peer_close}}; handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName, - #state{ssl_options = SslOpts, renegotiation = {true, internal}} = State) -> - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + #state{role = Role, ssl_options = SslOpts, protocol_cb = Connection, renegotiation = {true, internal}} = State) -> + log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}), handle_normal_shutdown(Alert, StateName, State), {stop, {shutdown, peer_close}}; handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName, - #state{ssl_options = SslOpts, renegotiation = {true, From}, + #state{role = Role, + ssl_options = SslOpts, renegotiation = {true, From}, protocol_cb = Connection} = State0) -> - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}), gen_statem:reply(From, {error, renegotiation_rejected}), {Record, State} = Connection:next_record(State0), %% Go back to connection! @@ -1169,8 +1170,8 @@ handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, %% Gracefully log and ignore all other warning alerts handle_alert(#alert{level = ?WARNING} = Alert, StateName, - #state{ssl_options = SslOpts, protocol_cb = Connection} = State0) -> - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + #state{ssl_options = SslOpts, protocol_cb = Connection, role = Role} = State0) -> + log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}), {Record, State} = Connection:next_record(State0), Connection:next_event(StateName, Record, State). @@ -2370,18 +2371,19 @@ alert_user(Transport, Tracker, Socket, Active, Pid, From, Alert, Role, Connectio Transport, Socket, Connection, Tracker), ReasonCode}) end. -log_alert(true, Info, Alert) -> +log_alert(true, ProtocolName, StateName, Alert) -> Txt = ssl_alert:alert_txt(Alert), - error_logger:format("SSL: ~p: ~s\n", [Info, Txt]); -log_alert(false, _, _) -> + error_logger:format("~s: In state ~p ~s\n", [ProtocolName, StateName, Txt]); +log_alert(false, _, _, _) -> ok. handle_own_alert(Alert, Version, StateName, - #state{transport_cb = Transport, - socket = Socket, - protocol_cb = Connection, - connection_states = ConnectionStates, - ssl_options = SslOpts} = State) -> + #state{role = Role, + transport_cb = Transport, + socket = Socket, + protocol_cb = Connection, + connection_states = ConnectionStates, + ssl_options = SslOpts} = State) -> try %% Try to tell the other side {BinMsg, _} = Connection:encode_alert(Alert, Version, ConnectionStates), @@ -2390,7 +2392,7 @@ handle_own_alert(Alert, Version, StateName, ignore end, try %% Try to tell the local user - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = Role}), handle_normal_shutdown(Alert,StateName, State) catch _:_ -> ok diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl index 3cf466e78f..b1661624b5 100644 --- a/lib/ssl/src/ssl_handshake.erl +++ b/lib/ssl/src/ssl_handshake.erl @@ -415,9 +415,11 @@ certify(#certificate{asn1_certificates = ASN1Certs}, CertDbHandle, CertDbRef, path_validation_alert(Reason) end catch - error:_ -> + error:{badmatch,{asn1, Asn1Reason}} -> %% ASN-1 decode of certificate somehow failed - ?ALERT_REC(?FATAL, ?CERTIFICATE_UNKNOWN, failed_to_decode_certificate) + ?ALERT_REC(?FATAL, ?CERTIFICATE_UNKNOWN, {failed_to_decode_certificate, Asn1Reason}); + error:OtherReason -> + ?ALERT_REC(?FATAL, ?INTERNAL_ERROR, {unexpected_error, OtherReason}) end. %%-------------------------------------------------------------------- @@ -1611,8 +1613,11 @@ path_validation_alert({bad_cert, unknown_critical_extension}) -> ?ALERT_REC(?FATAL, ?UNSUPPORTED_CERTIFICATE); path_validation_alert({bad_cert, {revoked, _}}) -> ?ALERT_REC(?FATAL, ?CERTIFICATE_REVOKED); -path_validation_alert({bad_cert, revocation_status_undetermined}) -> - ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE); +%%path_validation_alert({bad_cert, revocation_status_undetermined}) -> +%% ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE); +path_validation_alert({bad_cert, {revocation_status_undetermined, Details}}) -> + Alert = ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE), + Alert#alert{reason = Details}; path_validation_alert({bad_cert, selfsigned_peer}) -> ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE); path_validation_alert({bad_cert, unknown_ca}) -> @@ -2189,7 +2194,8 @@ crl_check(OtpCert, Check, CertDbHandle, CertDbRef, {Callback, CRLDbHandle}, _, C ssl_crl:trusted_cert_and_path(CRL, Issuer, {CertPath, DBInfo}) end, {CertDbHandle, CertDbRef}}}, - {update_crl, fun(DP, CRL) -> Callback:fresh_crl(DP, CRL) end} + {update_crl, fun(DP, CRL) -> Callback:fresh_crl(DP, CRL) end}, + {undetermined_details, true} ], case dps_and_crls(OtpCert, Callback, CRLDbHandle, ext) of no_dps -> @@ -2199,7 +2205,7 @@ crl_check(OtpCert, Check, CertDbHandle, CertDbRef, {Callback, CRLDbHandle}, _, C DpsAndCRLs -> %% This DP list may be empty if relevant CRLs existed %% but could not be retrived, will result in {bad_cert, revocation_status_undetermined} case public_key:pkix_crls_validate(OtpCert, DpsAndCRLs, Options) of - {bad_cert, revocation_status_undetermined} -> + {bad_cert, {revocation_status_undetermined, _}} -> crl_check_same_issuer(OtpCert, Check, dps_and_crls(OtpCert, Callback, CRLDbHandle, same_issuer), Options); Other -> @@ -2209,7 +2215,7 @@ crl_check(OtpCert, Check, CertDbHandle, CertDbRef, {Callback, CRLDbHandle}, _, C crl_check_same_issuer(OtpCert, best_effort, Dps, Options) -> case public_key:pkix_crls_validate(OtpCert, Dps, Options) of - {bad_cert, revocation_status_undetermined} -> + {bad_cert, {revocation_status_undetermined, _}} -> valid; Other -> Other diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl index 96c3ab86e9..e3ffbea3d3 100644 --- a/lib/ssl/src/tls_connection.erl +++ b/lib/ssl/src/tls_connection.erl @@ -56,7 +56,7 @@ reinit_handshake_data/1, select_sni_extension/1]). %% Alert and close handling --export([send_alert/2, close/5]). +-export([send_alert/2, close/5, protocol_name/0]). %% Data handling -export([passive_receive/2, next_record_if_active/1, handle_common_event/4, send/3, @@ -164,6 +164,8 @@ encode_data(Data, Version, ConnectionStates0)-> encode_alert(#alert{} = Alert, Version, ConnectionStates) -> tls_record:encode_alert_record(Alert, Version, ConnectionStates). +protocol_name() -> + "TLS". %%==================================================================== %% tls_connection_sup API %%==================================================================== @@ -600,8 +602,12 @@ next_record(#state{protocol_buffers = next_record(#state{protocol_buffers = #protocol_buffers{tls_packets = [], tls_cipher_texts = []}, socket = Socket, transport_cb = Transport} = State) -> - tls_socket:setopts(Transport, Socket, [{active,once}]), - {no_record, State}; + case tls_socket:setopts(Transport, Socket, [{active,once}]) of + ok -> + {no_record, State}; + _ -> + {socket_closed, State} + end; next_record(State) -> {no_record, State}. @@ -626,10 +632,15 @@ passive_receive(State0 = #state{user_data_buffer = Buffer}, StateName) -> next_event(StateName, Record, State) -> next_event(StateName, Record, State, []). +next_event(StateName, socket_closed, State, _) -> + ssl_connection:handle_normal_shutdown(?ALERT_REC(?FATAL, ?CLOSE_NOTIFY), StateName, State), + {stop, {shutdown, transport_closed}, State}; next_event(connection = StateName, no_record, State0, Actions) -> case next_record_if_active(State0) of {no_record, State} -> ssl_connection:hibernate_after(StateName, State, Actions); + {socket_closed, State} -> + next_event(StateName, socket_closed, State, Actions); {#ssl_tls{} = Record, State} -> {next_state, StateName, State, [{next_event, internal, {protocol_record, Record}} | Actions]}; {#alert{} = Alert, State} -> @@ -710,7 +721,7 @@ close(downgrade, _,_,_,_) -> %% Other close(_, Socket, Transport, _,_) -> Transport:close(Socket). - + convert_state(#state{ssl_options = Options} = State, up, "5.3.5", "5.3.6") -> State#state{ssl_options = convert_options_partial_chain(Options, up)}; convert_state(#state{ssl_options = Options} = State, down, "5.3.6", "5.3.5") -> |