diff options
Diffstat (limited to 'lib/ssl/src/ssl.erl')
| -rw-r--r-- | lib/ssl/src/ssl.erl | 339 |
1 files changed, 211 insertions, 128 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index d2aeb3258f..9a106f9742 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2016. All Rights Reserved. +%% Copyright Ericsson AB 1999-2017. 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. @@ -38,12 +38,12 @@ getopts/2, setopts/2, getstat/1, getstat/2 ]). %% SSL/TLS protocol handling --export([cipher_suites/0, cipher_suites/1, +-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, connection_information/1, connection_information/2]). %% Misc --export([handle_options/2]). +-export([handle_options/2, tls_version/1]). -deprecated({negotiated_next_protocol, 1, next_major_release}). -deprecated({connection_info, 1, next_major_release}). @@ -101,33 +101,27 @@ connect(Socket, SslOptions0, Timeout) when is_port(Socket), (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity) -> {Transport,_,_,_} = proplists:get_value(cb_info, SslOptions0, {gen_tcp, tcp, tcp_closed, tcp_error}), - EmulatedOptions = ssl_socket:emulated_options(), - {ok, SocketValues} = ssl_socket:getopts(Transport, Socket, EmulatedOptions), + EmulatedOptions = tls_socket:emulated_options(), + {ok, SocketValues} = tls_socket:getopts(Transport, Socket, EmulatedOptions), try handle_options(SslOptions0 ++ SocketValues, client) of - {ok, #config{transport_info = CbInfo, ssl = SslOptions, emulated = EmOpts, - connection_cb = ConnectionCb}} -> - - ok = ssl_socket:setopts(Transport, Socket, ssl_socket:internal_inet_values()), - case ssl_socket:peername(Transport, Socket) of - {ok, {Address, Port}} -> - ssl_connection:connect(ConnectionCb, Address, Port, Socket, - {SslOptions, emulated_socket_options(EmOpts, #socket_options{}), undefined}, - self(), CbInfo, Timeout); - {error, Error} -> - {error, Error} - end + {ok, Config} -> + tls_socket:upgrade(Socket, Config, Timeout) catch _:{error, Reason} -> {error, Reason} end; - connect(Host, Port, Options) -> connect(Host, Port, Options, infinity). connect(Host, Port, Options, Timeout) when (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity) -> - try handle_options(Options, client) of - {ok, Config} -> - do_connect(Host,Port,Config,Timeout) + try + {ok, Config} = handle_options(Options, client), + case Config#config.connection_cb of + tls_connection -> + tls_socket:connect(Host,Port,Config,Timeout); + dtls_connection -> + dtls_socket:connect(Host,Port,Config,Timeout) + end catch throw:Error -> Error @@ -144,17 +138,7 @@ listen(_Port, []) -> listen(Port, Options0) -> try {ok, Config} = handle_options(Options0, server), - ConnectionCb = connection_cb(Options0), - #config{transport_info = {Transport, _, _, _}, inet_user = Options, connection_cb = ConnectionCb, - ssl = SslOpts, emulated = EmOpts} = Config, - case Transport:listen(Port, Options) of - {ok, ListenSocket} -> - ok = ssl_socket:setopts(Transport, ListenSocket, ssl_socket:internal_inet_values()), - {ok, Tracker} = ssl_socket:inherit_tracker(ListenSocket, EmOpts, SslOpts), - {ok, #sslsocket{pid = {ListenSocket, Config#config{emulated = Tracker}}}}; - Err = {error, _} -> - Err - end + do_listen(Port, Config, connection_cb(Options0)) catch Error = {error, _} -> Error @@ -171,27 +155,15 @@ transport_accept(ListenSocket) -> transport_accept(ListenSocket, infinity). transport_accept(#sslsocket{pid = {ListenSocket, - #config{transport_info = {Transport,_,_, _} =CbInfo, - connection_cb = ConnectionCb, - ssl = SslOpts, - emulated = Tracker}}}, Timeout) when (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity) -> - case Transport:accept(ListenSocket, Timeout) of - {ok, Socket} -> - {ok, EmOpts} = ssl_socket:get_emulated_opts(Tracker), - {ok, Port} = ssl_socket:port(Transport, Socket), - ConnArgs = [server, "localhost", Port, Socket, - {SslOpts, emulated_socket_options(EmOpts, #socket_options{}), Tracker}, self(), CbInfo], - ConnectionSup = connection_sup(ConnectionCb), - case ConnectionSup:start_child(ConnArgs) of - {ok, Pid} -> - ssl_connection:socket_control(ConnectionCb, Socket, Pid, Transport, Tracker); - {error, Reason} -> - {error, Reason} - end; - {error, Reason} -> - {error, Reason} + #config{connection_cb = ConnectionCb} = Config}}, Timeout) + when (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity) -> + case ConnectionCb of + tls_connection -> + tls_socket:accept(ListenSocket, Config, Timeout); + dtls_connection -> + dtls_socket:accept(ListenSocket, Config, Timeout) end. - + %%-------------------------------------------------------------------- -spec ssl_accept(#sslsocket{}) -> ok | {error, reason()}. -spec ssl_accept(#sslsocket{} | port(), timeout()| [ssl_option() @@ -214,13 +186,22 @@ ssl_accept(ListenSocket, SslOptions) when is_port(ListenSocket) -> ssl_accept(ListenSocket, SslOptions, infinity). ssl_accept(#sslsocket{} = Socket, [], Timeout) when (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity)-> - ssl_accept(#sslsocket{} = Socket, Timeout); -ssl_accept(#sslsocket{fd = {_, _, _, Tracker}} = Socket, SslOpts0, Timeout) when + ssl_accept(Socket, Timeout); +ssl_accept(#sslsocket{fd = {_, _, _, Tracker}} = Socket, SslOpts, Timeout) when (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity)-> try - {ok, EmOpts, InheritedSslOpts} = ssl_socket:get_all_opts(Tracker), - SslOpts = handle_options(SslOpts0, InheritedSslOpts), - ssl_connection:handshake(Socket, {SslOpts, emulated_socket_options(EmOpts, #socket_options{})}, Timeout) + {ok, EmOpts, _} = tls_socket:get_all_opts(Tracker), + ssl_connection:handshake(Socket, {SslOpts, + tls_socket:emulated_socket_options(EmOpts, #socket_options{})}, Timeout) + catch + Error = {error, _Reason} -> Error + end; +ssl_accept(#sslsocket{pid = Pid, fd = {_, _, _}} = Socket, SslOpts, Timeout) when + (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity)-> + try + {ok, EmOpts, _} = dtls_udp_listener:get_all_opts(Pid), + ssl_connection:handshake(Socket, {SslOpts, + tls_socket:emulated_socket_options(EmOpts, #socket_options{})}, Timeout) catch Error = {error, _Reason} -> Error end; @@ -228,20 +209,20 @@ ssl_accept(Socket, SslOptions, Timeout) when is_port(Socket), (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity) -> {Transport,_,_,_} = proplists:get_value(cb_info, SslOptions, {gen_tcp, tcp, tcp_closed, tcp_error}), - EmulatedOptions = ssl_socket:emulated_options(), - {ok, SocketValues} = ssl_socket:getopts(Transport, Socket, EmulatedOptions), + EmulatedOptions = tls_socket:emulated_options(), + {ok, SocketValues} = tls_socket:getopts(Transport, Socket, EmulatedOptions), ConnetionCb = connection_cb(SslOptions), try handle_options(SslOptions ++ SocketValues, server) of {ok, #config{transport_info = CbInfo, ssl = SslOpts, emulated = EmOpts}} -> - ok = ssl_socket:setopts(Transport, Socket, ssl_socket:internal_inet_values()), - {ok, Port} = ssl_socket:port(Transport, Socket), + ok = tls_socket:setopts(Transport, Socket, tls_socket:internal_inet_values()), + {ok, Port} = tls_socket:port(Transport, Socket), ssl_connection:ssl_accept(ConnetionCb, Port, Socket, - {SslOpts, emulated_socket_options(EmOpts, #socket_options{}), undefined}, + {SslOpts, + tls_socket:emulated_socket_options(EmOpts, #socket_options{}), undefined}, self(), CbInfo, Timeout) catch Error = {error, _Reason} -> Error end. - %%-------------------------------------------------------------------- -spec close(#sslsocket{}) -> term(). %% @@ -249,6 +230,8 @@ ssl_accept(Socket, SslOptions, Timeout) when is_port(Socket), %%-------------------------------------------------------------------- close(#sslsocket{pid = Pid}) when is_pid(Pid) -> ssl_connection:close(Pid, {close, ?DEFAULT_TIMEOUT}); +close(#sslsocket{pid = {udp, #config{udp_handler = {Pid, _}}}}) -> + dtls_udp_listener:close(Pid); close(#sslsocket{pid = {ListenSocket, #config{transport_info={Transport,_, _, _}}}}) -> Transport:close(ListenSocket). @@ -275,6 +258,10 @@ close(#sslsocket{pid = {ListenSocket, #config{transport_info={Transport,_, _, _} %%-------------------------------------------------------------------- send(#sslsocket{pid = Pid}, Data) when is_pid(Pid) -> ssl_connection:send(Pid, Data); +send(#sslsocket{pid = {_, #config{transport_info={gen_udp, _, _, _}}}}, _) -> + {error,enotconn}; %% Emulate connection behaviour +send(#sslsocket{pid = {udp,_}}, _) -> + {error,enotconn}; send(#sslsocket{pid = {ListenSocket, #config{transport_info={Transport, _, _, _}}}}, Data) -> Transport:send(ListenSocket, Data). %% {error,enotconn} @@ -289,6 +276,8 @@ recv(Socket, Length) -> recv(#sslsocket{pid = Pid}, Length, Timeout) when is_pid(Pid), (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity)-> ssl_connection:recv(Pid, Length, Timeout); +recv(#sslsocket{pid = {udp,_}}, _, _) -> + {error,enotconn}; recv(#sslsocket{pid = {Listen, #config{transport_info = {Transport, _, _, _}}}}, _,_) when is_port(Listen)-> Transport:recv(Listen, 0). %% {error,enotconn} @@ -301,10 +290,14 @@ recv(#sslsocket{pid = {Listen, %%-------------------------------------------------------------------- controlling_process(#sslsocket{pid = Pid}, NewOwner) when is_pid(Pid), is_pid(NewOwner) -> ssl_connection:new_user(Pid, NewOwner); +controlling_process(#sslsocket{pid = {udp, _}}, + NewOwner) when is_pid(NewOwner) -> + ok; %% Meaningless but let it be allowed to conform with TLS controlling_process(#sslsocket{pid = {Listen, #config{transport_info = {Transport, _, _, _}}}}, NewOwner) when is_port(Listen), is_pid(NewOwner) -> + %% Meaningless but let it be allowed to conform with normal sockets Transport:controlling_process(Listen, NewOwner). @@ -321,7 +314,9 @@ connection_information(#sslsocket{pid = Pid}) when is_pid(Pid) -> Error end; connection_information(#sslsocket{pid = {Listen, _}}) when is_port(Listen) -> - {error, enotconn}. + {error, enotconn}; +connection_information(#sslsocket{pid = {udp,_}}) -> + {error,enotconn}. %%-------------------------------------------------------------------- -spec connection_information(#sslsocket{}, [atom()]) -> {ok, list()} | {error, reason()}. @@ -357,10 +352,18 @@ connection_info(#sslsocket{} = SSLSocket) -> %% %% Description: same as inet:peername/1. %%-------------------------------------------------------------------- +peername(#sslsocket{pid = Pid, fd = {Transport, Socket, _}}) when is_pid(Pid)-> + dtls_socket:peername(Transport, Socket); peername(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}) when is_pid(Pid)-> - ssl_socket:peername(Transport, Socket); + tls_socket:peername(Transport, Socket); +peername(#sslsocket{pid = {udp = Transport, #config{udp_handler = {_Pid, _}}}}) -> + dtls_socket:peername(Transport, undefined); +peername(#sslsocket{pid = Pid, fd = {gen_udp= Transport, Socket, _, _}}) when is_pid(Pid) -> + dtls_socket:peername(Transport, Socket); peername(#sslsocket{pid = {ListenSocket, #config{transport_info = {Transport,_,_,_}}}}) -> - ssl_socket:peername(Transport, ListenSocket). %% Will return {error, enotconn} + tls_socket:peername(Transport, ListenSocket); %% Will return {error, enotconn} +peername(#sslsocket{pid = {udp,_}}) -> + {error,enotconn}. %%-------------------------------------------------------------------- -spec peercert(#sslsocket{}) ->{ok, DerCert::binary()} | {error, reason()}. @@ -374,6 +377,8 @@ peercert(#sslsocket{pid = Pid}) when is_pid(Pid) -> Result -> Result end; +peercert(#sslsocket{pid = {udp, _}}) -> + {error, enotconn}; peercert(#sslsocket{pid = {Listen, _}}) when is_port(Listen) -> {error, enotconn}. @@ -420,6 +425,33 @@ cipher_suites(all) -> [ssl_cipher:erl_suite_definition(Suite) || Suite <- available_suites(all)]. %%-------------------------------------------------------------------- +-spec eccs() -> tls_v1:curves(). +%% Description: returns all supported curves across all versions +%%-------------------------------------------------------------------- +eccs() -> + Curves = tls_v1:ecc_curves(all), % only tls_v1 has named curves right now + eccs_filter_supported(Curves). + +%%-------------------------------------------------------------------- +-spec eccs(tls_record:tls_version() | tls_record:tls_atom_version()) -> + tls_v1:curves(). +%% Description: returns the curves supported for a given version of +%% ssl/tls. +%%-------------------------------------------------------------------- +eccs({3,0}) -> + []; +eccs({3,_}) -> + Curves = tls_v1:ecc_curves(all), + eccs_filter_supported(Curves); +eccs(AtomVersion) when is_atom(AtomVersion) -> + eccs(tls_record:protocol_version(AtomVersion)). + +eccs_filter_supported(Curves) -> + CryptoCurves = crypto:ec_curves(), + lists:filter(fun(Curve) -> proplists:get_bool(Curve, CryptoCurves) end, + Curves). + +%%-------------------------------------------------------------------- -spec getopts(#sslsocket{}, [gen_tcp:option_name()]) -> {ok, [gen_tcp:option()]} | {error, reason()}. %% @@ -429,7 +461,7 @@ getopts(#sslsocket{pid = Pid}, OptionTags) when is_pid(Pid), is_list(OptionTags) ssl_connection:get_opts(Pid, OptionTags); getopts(#sslsocket{pid = {_, #config{transport_info = {Transport,_,_,_}}}} = ListenSocket, OptionTags) when is_list(OptionTags) -> - try ssl_socket:getopts(Transport, ListenSocket, OptionTags) of + try tls_socket:getopts(Transport, ListenSocket, OptionTags) of {ok, _} = Result -> Result; {error, InetError} -> @@ -457,7 +489,7 @@ setopts(#sslsocket{pid = Pid}, Options0) when is_pid(Pid), is_list(Options0) -> end; setopts(#sslsocket{pid = {_, #config{transport_info = {Transport,_,_,_}}}} = ListenSocket, Options) when is_list(Options) -> - try ssl_socket:setopts(Transport, ListenSocket, Options) of + try tls_socket:setopts(Transport, ListenSocket, Options) of ok -> ok; {error, InetError} -> @@ -490,10 +522,10 @@ getstat(Socket) -> %% Description: Get one or more statistic options for a socket. %%-------------------------------------------------------------------- getstat(#sslsocket{pid = {Listen, #config{transport_info = {Transport, _, _, _}}}}, Options) when is_port(Listen), is_list(Options) -> - ssl_socket:getstat(Transport, Listen, Options); + tls_socket:getstat(Transport, Listen, Options); getstat(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}, Options) when is_pid(Pid), is_list(Options) -> - ssl_socket:getstat(Transport, Socket, Options). + tls_socket:getstat(Transport, Socket, Options). %%--------------------------------------------------------------- -spec shutdown(#sslsocket{}, read | write | read_write) -> ok | {error, reason()}. @@ -503,6 +535,8 @@ getstat(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}, Options) when is_ shutdown(#sslsocket{pid = {Listen, #config{transport_info = {Transport,_, _, _}}}}, How) when is_port(Listen) -> Transport:shutdown(Listen, How); +shutdown(#sslsocket{pid = {udp,_}},_) -> + {error, enotconn}; shutdown(#sslsocket{pid = Pid}, How) -> ssl_connection:shutdown(Pid, How). @@ -512,10 +546,13 @@ shutdown(#sslsocket{pid = Pid}, How) -> %% Description: Same as inet:sockname/1 %%-------------------------------------------------------------------- sockname(#sslsocket{pid = {Listen, #config{transport_info = {Transport, _, _, _}}}}) when is_port(Listen) -> - ssl_socket:sockname(Transport, Listen); - + tls_socket:sockname(Transport, Listen); +sockname(#sslsocket{pid = {udp, #config{udp_handler = {Pid, _}}}}) -> + dtls_udp_listener:sockname(Pid); +sockname(#sslsocket{pid = Pid, fd = {Transport, Socket, _}}) when is_pid(Pid) -> + dtls_socket:sockname(Transport, Socket); sockname(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}) when is_pid(Pid) -> - ssl_socket:sockname(Transport, Socket). + tls_socket:sockname(Transport, Socket). %%--------------------------------------------------------------- -spec session_info(#sslsocket{}) -> {ok, list()} | {error, reason()}. @@ -525,6 +562,8 @@ sockname(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}) when is_pid(Pid) %%-------------------------------------------------------------------- session_info(#sslsocket{pid = Pid}) when is_pid(Pid) -> ssl_connection:session_info(Pid); +session_info(#sslsocket{pid = {udp,_}}) -> + {error, enotconn}; session_info(#sslsocket{pid = {Listen,_}}) when is_port(Listen) -> {error, enotconn}. @@ -549,6 +588,8 @@ versions() -> %%-------------------------------------------------------------------- renegotiate(#sslsocket{pid = Pid}) when is_pid(Pid) -> ssl_connection:renegotiation(Pid); +renegotiate(#sslsocket{pid = {udp,_}}) -> + {error, enotconn}; renegotiate(#sslsocket{pid = {Listen,_}}) when is_port(Listen) -> {error, enotconn}. @@ -562,6 +603,8 @@ renegotiate(#sslsocket{pid = {Listen,_}}) when is_port(Listen) -> prf(#sslsocket{pid = Pid}, Secret, Label, Seed, WantedLength) when is_pid(Pid) -> ssl_connection:prf(Pid, Secret, Label, Seed, WantedLength); +prf(#sslsocket{pid = {udp,_}}, _,_,_,_) -> + {error, enotconn}; prf(#sslsocket{pid = {Listen,_}}, _,_,_,_) when is_port(Listen) -> {error, enotconn}. @@ -571,7 +614,7 @@ prf(#sslsocket{pid = {Listen,_}}, _,_,_,_) when is_port(Listen) -> %% Description: Clear the PEM cache %%-------------------------------------------------------------------- clear_pem_cache() -> - ssl_manager:clear_pem_cache(). + ssl_pem_cache:clear(). %%--------------------------------------------------------------- -spec format_error({error, term()}) -> list(). @@ -607,6 +650,11 @@ format_error(Error) -> Other end. +tls_version({3, _} = Version) -> + Version; +tls_version({254, _} = Version) -> + dtls_v1:corresponding_tls_version(Version). + %%%-------------------------------------------------------------- %%% Internal functions %%%-------------------------------------------------------------------- @@ -620,28 +668,15 @@ available_suites(all) -> Version = tls_record:highest_protocol_version([]), ssl_cipher:filter_suites(ssl_cipher:all_suites(Version)). -do_connect(Address, Port, - #config{transport_info = CbInfo, inet_user = UserOpts, ssl = SslOpts, - emulated = EmOpts, inet_ssl = SocketOpts, connection_cb = ConnetionCb}, - Timeout) -> - {Transport, _, _, _} = CbInfo, - try Transport:connect(Address, Port, SocketOpts, Timeout) of - {ok, Socket} -> - ssl_connection:connect(ConnetionCb, Address, Port, Socket, - {SslOpts, emulated_socket_options(EmOpts, #socket_options{}), undefined}, - self(), CbInfo, Timeout); - {error, Reason} -> - {error, Reason} - catch - exit:{function_clause, _} -> - {error, {options, {cb_info, CbInfo}}}; - exit:badarg -> - {error, {options, {socket_options, UserOpts}}}; - exit:{badarg, _} -> - {error, {options, {socket_options, UserOpts}}} - end. +do_listen(Port, #config{transport_info = {Transport, _, _, _}} = Config, tls_connection) -> + tls_socket:listen(Transport, Port, Config); +do_listen(Port, #config{transport_info = {Transport, _, _, _}} = Config, dtls_connection) -> + dtls_socket:listen(Transport, Port, Config). + %% Handle extra ssl options given to ssl_accept +-spec handle_options([any()], #ssl_options{}) -> #ssl_options{} + ; ([any()], client | server) -> {ok, #config{}}. handle_options(Opts0, #ssl_options{protocol = Protocol, cacerts = CaCerts0, cacertfile = CaCertFile0} = InheritedSslOpts) -> RecordCB = record_cb(Protocol), @@ -698,6 +733,8 @@ handle_options(Opts0, Role) -> [RecordCb:protocol_version(Vsn) || Vsn <- Vsns] end, + Protocol = handle_option(protocol, Opts, tls), + SSLOptions = #ssl_options{ versions = Versions, verify = validate_option(verify, Verify), @@ -720,10 +757,12 @@ handle_options(Opts0, Role) -> srp_identity = handle_option(srp_identity, Opts, undefined), ciphers = handle_cipher_option(proplists:get_value(ciphers, Opts, []), RecordCb:highest_protocol_version(Versions)), + eccs = handle_eccs_option(proplists:get_value(eccs, Opts, eccs()), + RecordCb:highest_protocol_version(Versions)), signature_algs = handle_hashsigns_option(proplists:get_value(signature_algs, Opts, default_option_role(server, tls_v1:default_signature_algs(Versions), Role)), - RecordCb:highest_protocol_version(Versions)), + tls_version(RecordCb:highest_protocol_version(Versions))), %% Server side option reuse_session = handle_option(reuse_session, Opts, ReuseSessionFun), reuse_sessions = handle_option(reuse_sessions, Opts, true), @@ -750,7 +789,10 @@ handle_options(Opts0, Role) -> honor_cipher_order = handle_option(honor_cipher_order, Opts, default_option_role(server, false, Role), server, Role), - protocol = proplists:get_value(protocol, Opts, tls), + honor_ecc_order = handle_option(honor_ecc_order, Opts, + default_option_role(server, false, Role), + server, Role), + protocol = Protocol, padding_check = proplists:get_value(padding_check, Opts, true), beast_mitigation = handle_option(beast_mitigation, Opts, one_n_minus_one), fallback = handle_option(fallback, Opts, @@ -760,10 +802,11 @@ handle_options(Opts0, Role) -> client, Role), crl_check = handle_option(crl_check, Opts, false), crl_cache = handle_option(crl_cache, Opts, {ssl_crl_cache, {internal, []}}), - v2_hello_compatible = handle_option(v2_hello_compatible, Opts, false) + v2_hello_compatible = handle_option(v2_hello_compatible, Opts, false), + max_handshake_size = handle_option(max_handshake_size, Opts, ?DEFAULT_MAX_HANDSHAKE_SIZE) }, - CbInfo = proplists:get_value(cb_info, Opts, {gen_tcp, tcp, tcp_closed, tcp_error}), + CbInfo = proplists:get_value(cb_info, Opts, default_cb_info(Protocol)), SslOptions = [protocol, versions, verify, verify_fun, partial_chain, fail_if_no_peer_cert, verify_client_once, depth, cert, certfile, key, keyfile, @@ -775,13 +818,14 @@ handle_options(Opts0, Role) -> alpn_preferred_protocols, next_protocols_advertised, client_preferred_next_protocols, log_alert, server_name_indication, honor_cipher_order, padding_check, crl_check, crl_cache, - fallback, signature_algs, beast_mitigation, v2_hello_compatible], + fallback, signature_algs, eccs, honor_ecc_order, beast_mitigation, v2_hello_compatible, + max_handshake_size], SockOpts = lists:foldl(fun(Key, PropList) -> proplists:delete(Key, PropList) end, Opts, SslOptions), - {Sock, Emulated} = emulated_options(SockOpts), + {Sock, Emulated} = emulated_options(Protocol, SockOpts), ConnetionCb = connection_cb(Opts), {ok, #config{ssl = SSLOptions, emulated = Emulated, inet_ssl = Sock, @@ -1005,6 +1049,8 @@ validate_option(sni_fun, Fun) when is_function(Fun) -> Fun; validate_option(honor_cipher_order, Value) when is_boolean(Value) -> Value; +validate_option(honor_ecc_order, Value) when is_boolean(Value) -> + Value; validate_option(padding_check, Value) when is_boolean(Value) -> Value; validate_option(fallback, Value) when is_boolean(Value) -> @@ -1021,6 +1067,12 @@ validate_option(beast_mitigation, Value) when Value == one_n_minus_one orelse Value; validate_option(v2_hello_compatible, Value) when is_boolean(Value) -> Value; +validate_option(max_handshake_size, Value) when is_integer(Value) andalso Value =< ?MAX_UNIT24 -> + Value; +validate_option(protocol, Value = tls) -> + Value; +validate_option(protocol, Value = dtls) -> + Value; validate_option(Opt, Value) -> throw({error, {options, {Opt, Value}}}). @@ -1058,17 +1110,37 @@ validate_binary_list(Opt, List) -> (Bin) -> throw({error, {options, {Opt, {invalid_protocol, Bin}}}}) end, List). - validate_versions([], Versions) -> Versions; validate_versions([Version | Rest], Versions) when Version == 'tlsv1.2'; Version == 'tlsv1.1'; Version == tlsv1; Version == sslv3 -> - validate_versions(Rest, Versions); + tls_validate_versions(Rest, Versions); +validate_versions([Version | Rest], Versions) when Version == 'dtlsv1'; + Version == 'dtlsv2'-> + dtls_validate_versions(Rest, Versions); validate_versions([Ver| _], Versions) -> throw({error, {options, {Ver, {versions, Versions}}}}). +tls_validate_versions([], Versions) -> + Versions; +tls_validate_versions([Version | Rest], Versions) when Version == 'tlsv1.2'; + Version == 'tlsv1.1'; + Version == tlsv1; + Version == sslv3 -> + tls_validate_versions(Rest, Versions); +tls_validate_versions([Ver| _], Versions) -> + throw({error, {options, {Ver, {versions, Versions}}}}). + +dtls_validate_versions([], Versions) -> + Versions; +dtls_validate_versions([Version | Rest], Versions) when Version == 'dtlsv1'; + Version == 'dtlsv2'-> + dtls_validate_versions(Rest, Versions); +dtls_validate_versions([Ver| _], Versions) -> + throw({error, {options, {Ver, {versions, Versions}}}}). + validate_inet_option(mode, Value) when Value =/= list, Value =/= binary -> throw({error, {options, {mode,Value}}}); @@ -1098,8 +1170,13 @@ ca_cert_default(verify_peer, {Fun,_}, _) when is_function(Fun) -> %% some trusted certs. ca_cert_default(verify_peer, undefined, _) -> "". -emulated_options(Opts) -> - emulated_options(Opts, ssl_socket:internal_inet_values(), ssl_socket:default_inet_values()). +emulated_options(Protocol, Opts) -> + case Protocol of + tls -> + emulated_options(Opts, tls_socket:internal_inet_values(), tls_socket:default_inet_values()); + dtls -> + emulated_options(Opts, dtls_socket:internal_inet_values(), dtls_socket:default_inet_values()) + end. emulated_options([{mode, Value} = Opt |Opts], Inet, Emulated) -> validate_inet_option(mode, Value), @@ -1135,18 +1212,18 @@ handle_cipher_option(Value, Version) when is_list(Value) -> binary_cipher_suites(Version, []) -> %% Defaults to all supported suites that does %% not require explicit configuration - ssl_cipher:filter_suites(ssl_cipher:suites(Version)); + ssl_cipher:filter_suites(ssl_cipher:suites(tls_version(Version))); binary_cipher_suites(Version, [Tuple|_] = Ciphers0) when is_tuple(Tuple) -> Ciphers = [ssl_cipher:suite(C) || C <- Ciphers0], binary_cipher_suites(Version, Ciphers); binary_cipher_suites(Version, [Cipher0 | _] = Ciphers0) when is_binary(Cipher0) -> - All = ssl_cipher:all_suites(Version), + All = ssl_cipher:all_suites(tls_version(Version)), case [Cipher || Cipher <- Ciphers0, lists:member(Cipher, All)] of [] -> %% Defaults to all supported suites that does %% not require explicit configuration - ssl_cipher:filter_suites(ssl_cipher:suites(Version)); + ssl_cipher:filter_suites(ssl_cipher:suites(tls_version(Version))); Ciphers -> Ciphers end; @@ -1159,6 +1236,15 @@ binary_cipher_suites(Version, Ciphers0) -> Ciphers = [ssl_cipher:openssl_suite(C) || C <- string:tokens(Ciphers0, ":")], binary_cipher_suites(Version, Ciphers). +handle_eccs_option(Value, Version) when is_list(Value) -> + {_Major, Minor} = tls_version(Version), + try tls_v1:ecc_curves(Minor, Value) of + Curves -> #elliptic_curves{elliptic_curve_list = Curves} + catch + exit:_ -> throw({error, {options, {eccs, Value}}}); + error:_ -> throw({error, {options, {eccs, Value}}}) + end. + unexpected_format(Error) -> lists:flatten(io_lib:format("Unexpected error: ~p", [Error])). @@ -1232,11 +1318,6 @@ record_cb(dtls) -> record_cb(Opts) -> record_cb(proplists:get_value(protocol, Opts, tls)). -connection_sup(tls_connection) -> - tls_connection_sup; -connection_sup(dtls_connection) -> - dtls_connection_sup. - binary_filename(FileName) -> Enc = file:native_name_encoding(), unicode:characters_to_binary(FileName, unicode, Enc). @@ -1255,20 +1336,6 @@ assert_proplist([inet6 | Rest]) -> assert_proplist([Value | _]) -> throw({option_not_a_key_value_tuple, Value}). -emulated_socket_options(InetValues, #socket_options{ - mode = Mode, - header = Header, - active = Active, - packet = Packet, - packet_size = Size}) -> - #socket_options{ - mode = proplists:get_value(mode, InetValues, Mode), - header = proplists:get_value(header, InetValues, Header), - active = proplists:get_value(active, InetValues, Active), - packet = proplists:get_value(packet, InetValues, Packet), - packet_size = proplists:get_value(packet_size, InetValues, Size) - }. - new_ssl_options([], #ssl_options{} = Opts, _) -> Opts; new_ssl_options([{verify_client_once, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> @@ -1329,13 +1396,24 @@ new_ssl_options([{server_name_indication, Value} | Rest], #ssl_options{} = Opts, new_ssl_options(Rest, Opts#ssl_options{server_name_indication = validate_option(server_name_indication, Value)}, RecordCB); new_ssl_options([{honor_cipher_order, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> new_ssl_options(Rest, Opts#ssl_options{honor_cipher_order = validate_option(honor_cipher_order, Value)}, RecordCB); +new_ssl_options([{honor_ecc_order, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{honor_ecc_order = validate_option(honor_ecc_order, Value)}, RecordCB); +new_ssl_options([{eccs, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, + Opts#ssl_options{eccs = + handle_eccs_option(Value, RecordCB:highest_protocol_version()) + }, + RecordCB); new_ssl_options([{signature_algs, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> new_ssl_options(Rest, Opts#ssl_options{signature_algs = handle_hashsigns_option(Value, - RecordCB:highest_protocol_version())}, + tls_version(RecordCB:highest_protocol_version()))}, RecordCB); - +new_ssl_options([{protocol, dtls = Value} | Rest], #ssl_options{} = Opts, dtls_record = RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{protocol = Value}, RecordCB); +new_ssl_options([{protocol, tls = Value} | Rest], #ssl_options{} = Opts, tls_record = RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{protocol = Value}, RecordCB); new_ssl_options([{Key, Value} | _Rest], #ssl_options{}, _) -> throw({error, {options, {Key, Value}}}). @@ -1397,3 +1475,8 @@ default_option_role(Role, Value, Role) -> Value; default_option_role(_,_,_) -> undefined. + +default_cb_info(tls) -> + {gen_tcp, tcp, tcp_closed, tcp_error}; +default_cb_info(dtls) -> + {gen_udp, udp, udp_closed, udp_error}. |