diff options
Diffstat (limited to 'lib/ssl/src/ssl.erl')
| -rw-r--r-- | lib/ssl/src/ssl.erl | 672 |
1 files changed, 481 insertions, 191 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index 743753bf7d..97a1e2b5a8 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2014. All Rights Reserved. +%% Copyright Ericsson AB 1999-2015. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -33,14 +34,18 @@ listen/2, transport_accept/1, transport_accept/2, ssl_accept/1, ssl_accept/2, ssl_accept/3, controlling_process/2, peername/1, peercert/1, sockname/1, - close/1, shutdown/2, recv/2, recv/3, send/2, getopts/2, setopts/2 + close/1, close/2, shutdown/2, recv/2, recv/3, send/2, getopts/2, setopts/2 ]). %% SSL/TLS protocol handling --export([cipher_suites/0, cipher_suites/1, suite_definition/1, +-export([cipher_suites/0, cipher_suites/1, connection_info/1, versions/0, session_info/1, format_error/1, - renegotiate/1, prf/5, negotiated_next_protocol/1]). + renegotiate/1, prf/5, negotiated_protocol/1, negotiated_next_protocol/1, + connection_information/1, connection_information/2]). %% Misc --export([random_bytes/1]). +-export([random_bytes/1, handle_options/2]). + +-deprecated({negotiated_next_protocol, 1, next_major_release}). +-deprecated({connection_info, 1, next_major_release}). -include("ssl_api.hrl"). -include("ssl_internal.hrl"). @@ -55,22 +60,19 @@ -spec start() -> ok | {error, reason()}. -spec start(permanent | transient | temporary) -> ok | {error, reason()}. %% -%% Description: Utility function that starts the ssl, -%% crypto and public_key applications. Default type -%% is temporary. see application(3) +%% Description: Utility function that starts the ssl and applications +%% that it depends on. +%% see application(3) %%-------------------------------------------------------------------- start() -> - application:start(crypto), - application:start(asn1), - application:start(public_key), - application:start(ssl). - + start(temporary). start(Type) -> - application:start(crypto, Type), - application:start(asn1), - application:start(public_key, Type), - application:start(ssl, Type). - + case application:ensure_all_started(ssl, Type) of + {ok, _} -> + ok; + Other -> + Other + end. %%-------------------------------------------------------------------- -spec stop() -> ok. %% @@ -94,20 +96,21 @@ stop() -> connect(Socket, SslOptions) when is_port(Socket) -> connect(Socket, SslOptions, infinity). -connect(Socket, SslOptions0, Timeout) when is_port(Socket) -> +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 = emulated_options(), + EmulatedOptions = ssl_socket:emulated_options(), {ok, SocketValues} = ssl_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, internal_inet_values()), + 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, EmOpts}, + {SslOptions, emulated_socket_options(EmOpts, #socket_options{}), undefined}, self(), CbInfo, Timeout); {error, Error} -> {error, Error} @@ -120,7 +123,7 @@ connect(Socket, SslOptions0, Timeout) when is_port(Socket) -> connect(Host, Port, Options) -> connect(Host, Port, Options, infinity). -connect(Host, Port, Options, Timeout) -> +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) @@ -141,10 +144,13 @@ listen(Port, Options0) -> try {ok, Config} = handle_options(Options0, server), ConnectionCb = connection_cb(Options0), - #config{transport_info = {Transport, _, _, _}, inet_user = Options, connection_cb = ConnectionCb} = Config, + #config{transport_info = {Transport, _, _, _}, inet_user = Options, connection_cb = ConnectionCb, + ssl = SslOpts, emulated = EmOpts} = Config, case Transport:listen(Port, Options) of {ok, ListenSocket} -> - {ok, #sslsocket{pid = {ListenSocket, Config}}}; + 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 @@ -164,25 +170,20 @@ transport_accept(ListenSocket) -> transport_accept(ListenSocket, infinity). transport_accept(#sslsocket{pid = {ListenSocket, - #config{transport_info = CbInfo, + #config{transport_info = {Transport,_,_, _} =CbInfo, connection_cb = ConnectionCb, - ssl = SslOpts}}}, Timeout) -> - %% The setopt could have been invoked on the listen socket - %% and options should be inherited. - EmOptions = emulated_options(), - {Transport,_,_, _} = CbInfo, - {ok, SocketValues} = ssl_socket:getopts(Transport, ListenSocket, EmOptions), - ok = ssl_socket:setopts(Transport, ListenSocket, internal_inet_values()), + ssl = SslOpts, + emulated = Tracker}}}, Timeout) when (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity) -> case Transport:accept(ListenSocket, Timeout) of {ok, Socket} -> - ok = ssl_socket:setopts(Transport, ListenSocket, SocketValues), + {ok, EmOpts} = ssl_socket:get_emulated_opts(Tracker), {ok, Port} = ssl_socket:port(Transport, Socket), ConnArgs = [server, "localhost", Port, Socket, - {SslOpts, socket_options(SocketValues)}, self(), CbInfo], + {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); + ssl_connection:socket_control(ConnectionCb, Socket, Pid, Transport, Tracker); {error, Reason} -> {error, Reason} end; @@ -205,34 +206,37 @@ transport_accept(#sslsocket{pid = {ListenSocket, ssl_accept(ListenSocket) -> ssl_accept(ListenSocket, infinity). -ssl_accept(#sslsocket{} = Socket, Timeout) -> +ssl_accept(#sslsocket{} = Socket, Timeout) when (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity) -> ssl_connection:handshake(Socket, Timeout); - -ssl_accept(ListenSocket, SslOptions) when is_port(ListenSocket) -> + +ssl_accept(ListenSocket, SslOptions) when is_port(ListenSocket) -> ssl_accept(ListenSocket, SslOptions, infinity). -ssl_accept(#sslsocket{} = Socket, [], Timeout) -> +ssl_accept(#sslsocket{} = Socket, [], Timeout) when (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity)-> ssl_accept(#sslsocket{} = Socket, Timeout); -ssl_accept(#sslsocket{} = Socket, SslOptions, Timeout) -> - try - {ok, #config{ssl = SSL}} = handle_options(SslOptions, server), - ssl_connection:handshake(Socket, SSL, Timeout) +ssl_accept(#sslsocket{fd = {_, _, _, Tracker}} = Socket, SslOpts0, 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) catch Error = {error, _Reason} -> Error end; -ssl_accept(Socket, SslOptions, Timeout) when is_port(Socket) -> +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 = emulated_options(), + EmulatedOptions = ssl_socket:emulated_options(), {ok, SocketValues} = ssl_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, internal_inet_values()), + ok = ssl_socket:setopts(Transport, Socket, ssl_socket:internal_inet_values()), {ok, Port} = ssl_socket:port(Transport, Socket), ssl_connection:ssl_accept(ConnetionCb, Port, Socket, - {SslOpts, EmOpts}, - self(), CbInfo, Timeout) + {SslOpts, emulated_socket_options(EmOpts, #socket_options{}), undefined}, + self(), CbInfo, Timeout) catch Error = {error, _Reason} -> Error end. @@ -243,11 +247,27 @@ ssl_accept(Socket, SslOptions, Timeout) when is_port(Socket) -> %% Description: Close an ssl connection %%-------------------------------------------------------------------- close(#sslsocket{pid = Pid}) when is_pid(Pid) -> - ssl_connection:close(Pid); + ssl_connection:close(Pid, {close, ?DEFAULT_TIMEOUT}); close(#sslsocket{pid = {ListenSocket, #config{transport_info={Transport,_, _, _}}}}) -> Transport:close(ListenSocket). %%-------------------------------------------------------------------- +-spec close(#sslsocket{}, timeout() | {pid(), integer()}) -> term(). +%% +%% Description: Close an ssl connection +%%-------------------------------------------------------------------- +close(#sslsocket{pid = TLSPid}, + {Pid, Timeout} = DownGrade) when is_pid(TLSPid), + is_pid(Pid), + (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity) -> + ssl_connection:close(TLSPid, {close, DownGrade}); +close(#sslsocket{pid = TLSPid}, Timeout) when is_pid(TLSPid), + (is_integer(Timeout) andalso Timeout >= 0) or (Timeout == infinity) -> + ssl_connection:close(TLSPid, {close, Timeout}); +close(#sslsocket{pid = {ListenSocket, #config{transport_info={Transport,_, _, _}}}}, _) -> + Transport:close(ListenSocket). + +%%-------------------------------------------------------------------- -spec send(#sslsocket{}, iodata()) -> ok | {error, reason()}. %% %% Description: Sends data over the ssl connection @@ -265,7 +285,8 @@ send(#sslsocket{pid = {ListenSocket, #config{transport_info={Transport, _, _, _} %%-------------------------------------------------------------------- recv(Socket, Length) -> recv(Socket, Length, infinity). -recv(#sslsocket{pid = Pid}, Length, Timeout) when is_pid(Pid) -> +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 = {Listen, #config{transport_info = {Transport, _, _, _}}}}, _,_) when is_port(Listen)-> @@ -285,23 +306,57 @@ controlling_process(#sslsocket{pid = {Listen, is_pid(NewOwner) -> Transport:controlling_process(Listen, NewOwner). + +%%-------------------------------------------------------------------- +-spec connection_information(#sslsocket{}) -> {ok, list()} | {error, reason()}. +%% +%% Description: Return SSL information for the connection +%%-------------------------------------------------------------------- +connection_information(#sslsocket{pid = Pid}) when is_pid(Pid) -> + case ssl_connection:connection_information(Pid) of + {ok, Info} -> + {ok, [Item || Item = {_Key, Value} <- Info, Value =/= undefined]}; + Error -> + Error + end; +connection_information(#sslsocket{pid = {Listen, _}}) when is_port(Listen) -> + {error, enotconn}. + %%-------------------------------------------------------------------- +-spec connection_information(#sslsocket{}, [atom()]) -> {ok, list()} | {error, reason()}. +%% +%% Description: Return SSL information for the connection +%%-------------------------------------------------------------------- +connection_information(#sslsocket{} = SSLSocket, Items) -> + case connection_information(SSLSocket) of + {ok, Info} -> + {ok, [Item || Item = {Key, Value} <- Info, lists:member(Key, Items), + Value =/= undefined]}; + Error -> + Error + 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{pid = Pid}) when is_pid(Pid) -> - ssl_connection:info(Pid); -connection_info(#sslsocket{pid = {Listen, _}}) when is_port(Listen) -> - {error, enotconn}. +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. %%-------------------------------------------------------------------- -peername(#sslsocket{pid = Pid, fd = {Transport, Socket, _}}) when is_pid(Pid)-> +peername(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}) when is_pid(Pid)-> ssl_socket:peername(Transport, Socket); peername(#sslsocket{pid = {ListenSocket, #config{transport_info = {Transport,_,_,_}}}}) -> ssl_socket:peername(Transport, ListenSocket). %% Will return {error, enotconn} @@ -322,13 +377,13 @@ peercert(#sslsocket{pid = {Listen, _}}) when is_port(Listen) -> {error, enotconn}. %%-------------------------------------------------------------------- --spec suite_definition(ssl_cipher:cipher_suite()) -> ssl_cipher:erl_cipher_suite(). +-spec negotiated_protocol(#sslsocket{}) -> {ok, binary()} | {error, reason()}. %% -%% Description: Return erlang cipher suite definition. +%% Description: Returns the protocol that has been negotiated. If no +%% protocol has been negotiated will return {error, protocol_not_negotiated} %%-------------------------------------------------------------------- -suite_definition(S) -> - {KeyExchange, Cipher, Hash, _} = ssl_cipher:suite_definition(S), - {KeyExchange, Cipher, Hash}. +negotiated_protocol(#sslsocket{pid = Pid}) -> + ssl_connection:negotiated_protocol(Pid). %%-------------------------------------------------------------------- -spec negotiated_next_protocol(#sslsocket{}) -> {ok, binary()} | {error, reason()}. @@ -336,32 +391,33 @@ suite_definition(S) -> %% 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(#sslsocket{pid = Pid}) -> - ssl_connection:negotiated_next_protocol(Pid). +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()]. --spec cipher_suites(erlang | openssl | all) -> [ssl_cipher:erl_cipher_suite()] | [string()]. - +-spec cipher_suites(erlang | openssl | all) -> [ssl_cipher:erl_cipher_suite()] | + [string()]. %% Description: Returns all supported cipher suites. %%-------------------------------------------------------------------- -cipher_suites() -> - cipher_suites(erlang). - cipher_suites(erlang) -> Version = tls_record:highest_protocol_version([]), - [suite_definition(S) || S <- ssl_cipher:suites(Version)]; - + ssl_cipher:filter_suites([ssl_cipher:erl_suite_definition(S) + || S <- ssl_cipher:suites(Version)]); cipher_suites(openssl) -> Version = tls_record:highest_protocol_version([]), - [ssl_cipher:openssl_suite_name(S) || S <- ssl_cipher:suites(Version)]; + [ssl_cipher:openssl_suite_name(S) + || S <- ssl_cipher:filter_suites(ssl_cipher:suites(Version))]; cipher_suites(all) -> Version = tls_record:highest_protocol_version([]), - Supported = ssl_cipher:suites(Version) - ++ ssl_cipher:anonymous_suites() - ++ ssl_cipher:psk_suites(Version) - ++ ssl_cipher:srp_suites(), - [suite_definition(S) || S <- Supported]. + ssl_cipher:filter_suites([ssl_cipher:erl_suite_definition(S) + || S <-ssl_cipher:all_suites(Version)]). +cipher_suites() -> + cipher_suites(erlang). %%-------------------------------------------------------------------- -spec getopts(#sslsocket{}, [gen_tcp:option_name()]) -> @@ -371,7 +427,7 @@ cipher_suites(all) -> %%-------------------------------------------------------------------- getopts(#sslsocket{pid = Pid}, OptionTags) when is_pid(Pid), is_list(OptionTags) -> ssl_connection:get_opts(Pid, OptionTags); -getopts(#sslsocket{pid = {ListenSocket, #config{transport_info = {Transport,_,_,_}}}}, +getopts(#sslsocket{pid = {_, #config{transport_info = {Transport,_,_,_}}}} = ListenSocket, OptionTags) when is_list(OptionTags) -> try ssl_socket:getopts(Transport, ListenSocket, OptionTags) of {ok, _} = Result -> @@ -379,8 +435,8 @@ getopts(#sslsocket{pid = {ListenSocket, #config{transport_info = {Transport,_,_ {error, InetError} -> {error, {options, {socket_options, OptionTags, InetError}}} catch - _:_ -> - {error, {options, {socket_options, OptionTags}}} + _:Error -> + {error, {options, {socket_options, OptionTags, Error}}} end; getopts(#sslsocket{}, OptionTags) -> {error, {options, {socket_options, OptionTags}}}. @@ -400,7 +456,7 @@ setopts(#sslsocket{pid = Pid}, Options0) when is_pid(Pid), is_list(Options0) -> {error, {options, {not_a_proplist, Options0}}} end; -setopts(#sslsocket{pid = {ListenSocket, #config{transport_info = {Transport,_,_,_}}}}, Options) when is_list(Options) -> +setopts(#sslsocket{pid = {_, #config{transport_info = {Transport,_,_,_}}}} = ListenSocket, Options) when is_list(Options) -> try ssl_socket:setopts(Transport, ListenSocket, Options) of ok -> ok; @@ -429,10 +485,10 @@ shutdown(#sslsocket{pid = Pid}, How) -> %% %% Description: Same as inet:sockname/1 %%-------------------------------------------------------------------- -sockname(#sslsocket{pid = {Listen, #config{transport_info = {Transport,_, _, _}}}}) when is_port(Listen) -> +sockname(#sslsocket{pid = {Listen, #config{transport_info = {Transport, _, _, _}}}}) when is_port(Listen) -> ssl_socket:sockname(Transport, Listen); -sockname(#sslsocket{pid = Pid, fd = {Transport, Socket, _}}) when is_pid(Pid) -> +sockname(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}) when is_pid(Pid) -> ssl_socket:sockname(Transport, Socket). %%--------------------------------------------------------------- @@ -455,7 +511,7 @@ session_info(#sslsocket{pid = {Listen,_}}) when is_port(Listen) -> versions() -> Vsns = tls_record:supported_protocol_versions(), SupportedVsns = [tls_record:protocol_version(Vsn) || Vsn <- Vsns], - AvailableVsns = ?ALL_SUPPORTED_VERSIONS, + AvailableVsns = ?ALL_AVAILABLE_VERSIONS, %% TODO Add DTLS versions when supported [{ssl_app, ?VSN}, {supported, SupportedVsns}, {available, AvailableVsns}]. @@ -551,7 +607,8 @@ do_connect(Address, Port, {Transport, _, _, _} = CbInfo, try Transport:connect(Address, Port, SocketOpts, Timeout) of {ok, Socket} -> - ssl_connection:connect(ConnetionCb, Address, Port, Socket, {SslOpts,EmOpts}, + ssl_connection:connect(ConnetionCb, Address, Port, Socket, + {SslOpts, emulated_socket_options(EmOpts, #socket_options{}), undefined}, self(), CbInfo, Timeout); {error, Reason} -> {error, Reason} @@ -564,55 +621,54 @@ do_connect(Address, Port, {error, {options, {socket_options, UserOpts}}} end. -handle_options(Opts0, _Role) -> +%% Handle extra ssl options given to ssl_accept +handle_options(Opts0, #ssl_options{protocol = Protocol, cacerts = CaCerts0, + cacertfile = CaCertFile0} = InheritedSslOpts) -> + RecordCB = record_cb(Protocol), + CaCerts = handle_option(cacerts, Opts0, CaCerts0), + {Verify, FailIfNoPeerCert, CaCertDefault, VerifyFun, PartialChainHanlder, + VerifyClientOnce} = handle_verify_options(Opts0, CaCerts), + CaCertFile = case proplists:get_value(cacertfile, Opts0, CaCertFile0) of + undefined -> + CaCertDefault; + CAFile -> + CAFile + end, + + NewVerifyOpts = InheritedSslOpts#ssl_options{cacerts = CaCerts, + cacertfile = CaCertFile, + verify = Verify, + verify_fun = VerifyFun, + partial_chain = PartialChainHanlder, + fail_if_no_peer_cert = FailIfNoPeerCert, + verify_client_once = VerifyClientOnce}, + SslOpts1 = lists:foldl(fun(Key, PropList) -> + proplists:delete(Key, PropList) + end, Opts0, [cacerts, cacertfile, verify, verify_fun, partial_chain, + fail_if_no_peer_cert, verify_client_once]), + case handle_option(versions, SslOpts1, []) of + [] -> + new_ssl_options(SslOpts1, NewVerifyOpts, RecordCB); + Value -> + Versions = [RecordCB:protocol_version(Vsn) || Vsn <- Value], + new_ssl_options(proplists:delete(versions, SslOpts1), + NewVerifyOpts#ssl_options{versions = Versions}, record_cb(Protocol)) + end; + +%% Handle all options in listen and connect +handle_options(Opts0, Role) -> Opts = proplists:expand([{binary, [{mode, binary}]}, {list, [{mode, list}]}], Opts0), assert_proplist(Opts), RecordCb = record_cb(Opts), ReuseSessionFun = fun(_, _, _, _) -> true end, - - DefaultVerifyNoneFun = - {fun(_,{bad_cert, _}, UserState) -> - {valid, UserState}; - (_,{extension, _}, UserState) -> - {unknown, UserState}; - (_, valid, UserState) -> - {valid, UserState}; - (_, valid_peer, UserState) -> - {valid, UserState} - end, []}, - - VerifyNoneFun = handle_option(verify_fun, Opts, DefaultVerifyNoneFun), - - UserFailIfNoPeerCert = handle_option(fail_if_no_peer_cert, Opts, false), - UserVerifyFun = handle_option(verify_fun, Opts, undefined), CaCerts = handle_option(cacerts, Opts, undefined), - {Verify, FailIfNoPeerCert, CaCertDefault, VerifyFun} = - %% Handle 0, 1, 2 for backwards compatibility - case proplists:get_value(verify, Opts, verify_none) of - 0 -> - {verify_none, false, - ca_cert_default(verify_none, VerifyNoneFun, CaCerts), VerifyNoneFun}; - 1 -> - {verify_peer, false, - ca_cert_default(verify_peer, UserVerifyFun, CaCerts), UserVerifyFun}; - 2 -> - {verify_peer, true, - ca_cert_default(verify_peer, UserVerifyFun, CaCerts), UserVerifyFun}; - verify_none -> - {verify_none, false, - ca_cert_default(verify_none, VerifyNoneFun, CaCerts), VerifyNoneFun}; - verify_peer -> - {verify_peer, UserFailIfNoPeerCert, - ca_cert_default(verify_peer, UserVerifyFun, CaCerts), UserVerifyFun}; - Value -> - throw({error, {options, {verify, Value}}}) - end, - - CertFile = handle_option(certfile, Opts, <<>>), + {Verify, FailIfNoPeerCert, CaCertDefault, VerifyFun, PartialChainHanlder, VerifyClientOnce} = + handle_verify_options(Opts, CaCerts), + CertFile = handle_option(certfile, Opts, <<>>), RecordCb = record_cb(Opts), Versions = case handle_option(versions, Opts, []) of @@ -626,8 +682,9 @@ handle_options(Opts0, _Role) -> versions = Versions, verify = validate_option(verify, Verify), verify_fun = VerifyFun, + partial_chain = PartialChainHanlder, fail_if_no_peer_cert = FailIfNoPeerCert, - verify_client_once = handle_option(verify_client_once, Opts, false), + verify_client_once = VerifyClientOnce, depth = handle_option(depth, Opts, 1), cert = handle_option(cert, Opts, undefined), certfile = CertFile, @@ -641,14 +698,26 @@ handle_options(Opts0, _Role) -> user_lookup_fun = handle_option(user_lookup_fun, Opts, undefined), psk_identity = handle_option(psk_identity, Opts, undefined), srp_identity = handle_option(srp_identity, Opts, undefined), - ciphers = handle_cipher_option(proplists:get_value(ciphers, Opts, []), hd(Versions)), + ciphers = handle_cipher_option(proplists:get_value(ciphers, Opts, []), + RecordCb:highest_protocol_version(Versions)), + 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)), %% Server side option reuse_session = handle_option(reuse_session, Opts, ReuseSessionFun), reuse_sessions = handle_option(reuse_sessions, Opts, true), secure_renegotiate = handle_option(secure_renegotiate, Opts, false), + client_renegotiation = handle_option(client_renegotiation, Opts, + default_option_role(server, true, Role), + server, Role), renegotiate_at = handle_option(renegotiate_at, Opts, ?DEFAULT_RENEGOTIATE_AT), hibernate_after = handle_option(hibernate_after, Opts, undefined), erl_dist = handle_option(erl_dist, Opts, false), + alpn_advertised_protocols = + handle_option(alpn_advertised_protocols, Opts, undefined), + alpn_preferred_protocols = + handle_option(alpn_preferred_protocols, Opts, undefined), next_protocols_advertised = handle_option(next_protocols_advertised, Opts, undefined), next_protocol_selector = @@ -656,37 +725,70 @@ handle_options(Opts0, _Role) -> handle_option(client_preferred_next_protocols, Opts, undefined)), log_alert = handle_option(log_alert, Opts, true), server_name_indication = handle_option(server_name_indication, Opts, undefined), - honor_cipher_order = handle_option(honor_cipher_order, Opts, false) + sni_hosts = handle_option(sni_hosts, Opts, []), + sni_fun = handle_option(sni_fun, Opts, undefined), + honor_cipher_order = handle_option(honor_cipher_order, Opts, + default_option_role(server, false, Role), + server, Role), + protocol = proplists:get_value(protocol, Opts, tls), + padding_check = proplists:get_value(padding_check, Opts, true), + fallback = handle_option(fallback, Opts, + proplists:get_value(fallback, Opts, + default_option_role(client, + false, Role)), + client, Role), + crl_check = handle_option(crl_check, Opts, false), + crl_cache = handle_option(crl_cache, Opts, {ssl_crl_cache, {internal, []}}) }, CbInfo = proplists:get_value(cb_info, Opts, {gen_tcp, tcp, tcp_closed, tcp_error}), - SslOptions = [protocol, versions, verify, verify_fun, + SslOptions = [protocol, versions, verify, verify_fun, partial_chain, fail_if_no_peer_cert, verify_client_once, depth, cert, certfile, key, keyfile, password, cacerts, cacertfile, dh, dhfile, user_lookup_fun, psk_identity, srp_identity, ciphers, - reuse_session, reuse_sessions, ssl_imp, + reuse_session, reuse_sessions, ssl_imp, client_renegotiation, cb_info, renegotiate_at, secure_renegotiate, hibernate_after, - erl_dist, next_protocols_advertised, + erl_dist, alpn_advertised_protocols, sni_hosts, sni_fun, + alpn_preferred_protocols, next_protocols_advertised, client_preferred_next_protocols, log_alert, - server_name_indication, honor_cipher_order], + server_name_indication, honor_cipher_order, padding_check, crl_check, crl_cache, + fallback, signature_algs], SockOpts = lists:foldl(fun(Key, PropList) -> proplists:delete(Key, PropList) end, Opts, SslOptions), - {SSLsock, Emulated} = emulated_options(SockOpts), + {Sock, Emulated} = emulated_options(SockOpts), ConnetionCb = connection_cb(Opts), - {ok, #config{ssl = SSLOptions, emulated = Emulated, inet_ssl = SSLsock, + {ok, #config{ssl = SSLOptions, emulated = Emulated, inet_ssl = Sock, inet_user = SockOpts, transport_info = CbInfo, connection_cb = ConnetionCb }}. + + +handle_option(OptionName, Opts, Default, Role, Role) -> + handle_option(OptionName, Opts, Default); +handle_option(_, _, undefined = Value, _, _) -> + Value. + +handle_option(sni_fun, Opts, Default) -> + OptFun = validate_option(sni_fun, + proplists:get_value(sni_fun, Opts, Default)), + OptHosts = proplists:get_value(sni_hosts, Opts, undefined), + case {OptFun, OptHosts} of + {Default, _} -> + Default; + {_, undefined} -> + OptFun; + _ -> + throw({error, {conflict_options, [sni_fun, sni_hosts]}}) + end; handle_option(OptionName, Opts, Default) -> validate_option(OptionName, proplists:get_value(OptionName, Opts, Default)). - validate_option(versions, Versions) -> validate_versions(Versions, Versions); validate_option(verify, Value) @@ -712,6 +814,8 @@ validate_option(verify_fun, Fun) when is_function(Fun) -> end, Fun}; validate_option(verify_fun, {Fun, _} = Value) when is_function(Fun) -> Value; +validate_option(partial_chain, Value) when is_function(Value) -> + Value; validate_option(fail_if_no_peer_cert, Value) when is_boolean(Value) -> Value; validate_option(verify_client_once, Value) when is_boolean(Value) -> @@ -736,6 +840,7 @@ validate_option(key, {KeyType, Value}) when is_binary(Value), KeyType == dsa; %% Backwards compatibility KeyType == 'RSAPrivateKey'; KeyType == 'DSAPrivateKey'; + KeyType == 'ECPrivateKey'; KeyType == 'PrivateKeyInfo' -> {KeyType, Value}; @@ -791,6 +896,8 @@ validate_option(reuse_sessions, Value) when is_boolean(Value) -> validate_option(secure_renegotiate, Value) when is_boolean(Value) -> Value; +validate_option(client_renegotiation, Value) when is_boolean(Value) -> + Value; validate_option(renegotiate_at, Value) when is_integer(Value) -> erlang:min(Value, ?DEFAULT_RENEGOTIATE_AT); @@ -800,6 +907,20 @@ validate_option(hibernate_after, Value) when is_integer(Value), Value >= 0 -> Value; validate_option(erl_dist,Value) when is_boolean(Value) -> Value; +validate_option(Opt, Value) + when Opt =:= alpn_advertised_protocols orelse Opt =:= alpn_preferred_protocols, + is_list(Value) -> + case tls_record:highest_protocol_version([]) of + {3,0} -> + throw({error, {options, {not_supported_in_sslv3, {Opt, Value}}}}); + _ -> + validate_binary_list(Opt, Value), + Value + end; +validate_option(Opt, Value) + when Opt =:= alpn_advertised_protocols orelse Opt =:= alpn_preferred_protocols, + Value =:= undefined -> + undefined; validate_option(client_preferred_next_protocols = Opt, {Precedence, PreferredProtocols} = Value) when is_list(PreferredProtocols) -> case tls_record:highest_protocol_version([]) of @@ -843,11 +964,53 @@ validate_option(server_name_indication, disable) -> disable; validate_option(server_name_indication, undefined) -> undefined; +validate_option(sni_hosts, []) -> + []; +validate_option(sni_hosts, [{Hostname, SSLOptions} | Tail]) when is_list(Hostname) -> + RecursiveSNIOptions = proplists:get_value(sni_hosts, SSLOptions, undefined), + case RecursiveSNIOptions of + undefined -> + [{Hostname, validate_options(SSLOptions)} | validate_option(sni_hosts, Tail)]; + _ -> + throw({error, {options, {sni_hosts, RecursiveSNIOptions}}}) + end; +validate_option(sni_fun, undefined) -> + undefined; +validate_option(sni_fun, Fun) when is_function(Fun) -> + Fun; validate_option(honor_cipher_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) -> + Value; +validate_option(crl_check, Value) when is_boolean(Value) -> + Value; +validate_option(crl_check, Value) when (Value == best_effort) or (Value == peer) -> + Value; +validate_option(crl_cache, {Cb, {_Handle, Options}} = Value) when is_atom(Cb) and is_list(Options) -> + Value; validate_option(Opt, Value) -> throw({error, {options, {Opt, Value}}}). +handle_hashsigns_option(Value, {Major, Minor} = Version) when is_list(Value) + andalso Major >= 3 andalso Minor >= 3-> + case tls_v1:signature_algs(Version, Value) of + [] -> + throw({error, {options, no_supported_algorithms, {signature_algs, Value}}}); + _ -> + Value + end; +handle_hashsigns_option(_, {Major, Minor} = Version) when Major >= 3 andalso Minor >= 3-> + handle_hashsigns_option(tls_v1:default_signature_algs(Version), Version); +handle_hashsigns_option(_, _Version) -> + undefined. + +validate_options([]) -> + []; +validate_options([{Opt, Value} | Tail]) -> + [{Opt, validate_option(Opt, Value)} | validate_options(Tail)]. + validate_npn_ordering(client) -> ok; validate_npn_ordering(server) -> @@ -904,40 +1067,24 @@ ca_cert_default(verify_peer, {Fun,_}, _) when is_function(Fun) -> %% some trusted certs. ca_cert_default(verify_peer, undefined, _) -> "". - -emulated_options() -> - [mode, packet, active, header, packet_size]. - -internal_inet_values() -> - [{packet_size,0},{packet, 0},{header, 0},{active, false},{mode,binary}]. - -socket_options(InetValues) -> - #socket_options{ - mode = proplists:get_value(mode, InetValues, lists), - header = proplists:get_value(header, InetValues, 0), - active = proplists:get_value(active, InetValues, active), - packet = proplists:get_value(packet, InetValues, 0), - packet_size = proplists:get_value(packet_size, InetValues) - }. - emulated_options(Opts) -> - emulated_options(Opts, internal_inet_values(), #socket_options{}). - -emulated_options([{mode,Opt}|Opts], Inet, Emulated) -> - validate_inet_option(mode,Opt), - emulated_options(Opts, Inet, Emulated#socket_options{mode=Opt}); -emulated_options([{header,Opt}|Opts], Inet, Emulated) -> - validate_inet_option(header,Opt), - emulated_options(Opts, Inet, Emulated#socket_options{header=Opt}); -emulated_options([{active,Opt}|Opts], Inet, Emulated) -> - validate_inet_option(active,Opt), - emulated_options(Opts, Inet, Emulated#socket_options{active=Opt}); -emulated_options([{packet,Opt}|Opts], Inet, Emulated) -> - validate_inet_option(packet,Opt), - emulated_options(Opts, Inet, Emulated#socket_options{packet=Opt}); -emulated_options([{packet_size,Opt}|Opts], Inet, Emulated) -> - validate_inet_option(packet_size,Opt), - emulated_options(Opts, Inet, Emulated#socket_options{packet_size=Opt}); + emulated_options(Opts, ssl_socket:internal_inet_values(), ssl_socket:default_inet_values()). + +emulated_options([{mode, Value} = Opt |Opts], Inet, Emulated) -> + validate_inet_option(mode, Value), + emulated_options(Opts, Inet, [Opt | proplists:delete(mode, Emulated)]); +emulated_options([{header, Value} = Opt | Opts], Inet, Emulated) -> + validate_inet_option(header, Value), + emulated_options(Opts, Inet, [Opt | proplists:delete(header, Emulated)]); +emulated_options([{active, Value} = Opt |Opts], Inet, Emulated) -> + validate_inet_option(active, Value), + emulated_options(Opts, Inet, [Opt | proplists:delete(active, Emulated)]); +emulated_options([{packet, Value} = Opt |Opts], Inet, Emulated) -> + validate_inet_option(packet, Value), + emulated_options(Opts, Inet, [Opt | proplists:delete(packet, Emulated)]); +emulated_options([{packet_size, Value} = Opt | Opts], Inet, Emulated) -> + validate_inet_option(packet_size, Value), + emulated_options(Opts, Inet, [Opt | proplists:delete(packet_size, Emulated)]); emulated_options([Opt|Opts], Inet, Emulated) -> emulated_options(Opts, [Opt|Inet], Emulated); emulated_options([], Inet,Emulated) -> @@ -953,24 +1100,22 @@ handle_cipher_option(Value, Version) when is_list(Value) -> error:_-> throw({error, {options, {ciphers, Value}}}) end. -binary_cipher_suites(Version, []) -> %% Defaults to all supported suits - ssl_cipher:suites(Version); -binary_cipher_suites(Version, [{_,_,_,_}| _] = Ciphers0) -> %% Backwards compatibility - Ciphers = [{KeyExchange, Cipher, Hash} || {KeyExchange, Cipher, Hash, _} <- Ciphers0], - binary_cipher_suites(Version, Ciphers); -binary_cipher_suites(Version, [{_,_,_}| _] = Ciphers0) -> + +binary_cipher_suites(Version, []) -> + %% Defaults to all supported suites that does + %% not require explicit configuration + ssl_cipher:filter_suites(ssl_cipher:suites(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) -> - Supported0 = ssl_cipher:suites(Version) - ++ ssl_cipher:anonymous_suites() - ++ ssl_cipher:psk_suites(Version) - ++ ssl_cipher:srp_suites(), - Supported = ssl_cipher:filter_suites(Supported0), - case [Cipher || Cipher <- Ciphers0, lists:member(Cipher, Supported)] of + All = ssl_cipher:all_suites(Version), + case [Cipher || Cipher <- Ciphers0, lists:member(Cipher, All)] of [] -> - Supported; %% Defaults to all supported suits + %% Defaults to all supported suites that does + %% not require explicit configuration + ssl_cipher:filter_suites(ssl_cipher:suites(Version)); Ciphers -> Ciphers end; @@ -1054,7 +1199,7 @@ record_cb(tls) -> record_cb(dtls) -> dtls_record; record_cb(Opts) -> - record_cb(proplists:get_value(protocol, Opts, tls)). + record_cb(proplists:get_value(protocol, Opts, tls)). connection_sup(tls_connection) -> tls_connection_sup; @@ -1070,9 +1215,154 @@ assert_proplist([]) -> assert_proplist([{Key,_} | Rest]) when is_atom(Key) -> assert_proplist(Rest); %% Handle exceptions +assert_proplist([{raw,_,_,_} | Rest]) -> + assert_proplist(Rest); assert_proplist([inet | Rest]) -> assert_proplist(Rest); assert_proplist([inet6 | Rest]) -> assert_proplist(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) -> + new_ssl_options(Rest, Opts#ssl_options{verify_client_once = + validate_option(verify_client_once, Value)}, RecordCB); +new_ssl_options([{depth, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{depth = validate_option(depth, Value)}, RecordCB); +new_ssl_options([{cert, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{cert = validate_option(cert, Value)}, RecordCB); +new_ssl_options([{certfile, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{certfile = validate_option(certfile, Value)}, RecordCB); +new_ssl_options([{key, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{key = validate_option(key, Value)}, RecordCB); +new_ssl_options([{keyfile, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{keyfile = validate_option(keyfile, Value)}, RecordCB); +new_ssl_options([{password, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{password = validate_option(password, Value)}, RecordCB); +new_ssl_options([{dh, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{dh = validate_option(dh, Value)}, RecordCB); +new_ssl_options([{dhfile, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{dhfile = validate_option(dhfile, Value)}, RecordCB); +new_ssl_options([{user_lookup_fun, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{user_lookup_fun = validate_option(user_lookup_fun, Value)}, RecordCB); +new_ssl_options([{psk_identity, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{psk_identity = validate_option(psk_identity, Value)}, RecordCB); +new_ssl_options([{srp_identity, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{srp_identity = validate_option(srp_identity, Value)}, RecordCB); +new_ssl_options([{ciphers, Value} | Rest], #ssl_options{versions = Versions} = Opts, RecordCB) -> + Ciphers = handle_cipher_option(Value, RecordCB:highest_protocol_version(Versions)), + new_ssl_options(Rest, + Opts#ssl_options{ciphers = Ciphers}, RecordCB); +new_ssl_options([{reuse_session, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{reuse_session = validate_option(reuse_session, Value)}, RecordCB); +new_ssl_options([{reuse_sessions, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{reuse_sessions = validate_option(reuse_sessions, Value)}, RecordCB); +new_ssl_options([{ssl_imp, _Value} | Rest], #ssl_options{} = Opts, RecordCB) -> %% Not used backwards compatibility + new_ssl_options(Rest, Opts, RecordCB); +new_ssl_options([{renegotiate_at, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{ renegotiate_at = validate_option(renegotiate_at, Value)}, RecordCB); +new_ssl_options([{secure_renegotiate, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{secure_renegotiate = validate_option(secure_renegotiate, Value)}, RecordCB); +new_ssl_options([{client_renegotiation, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{client_renegotiation = validate_option(client_renegotiation, Value)}, RecordCB); +new_ssl_options([{hibernate_after, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{hibernate_after = validate_option(hibernate_after, Value)}, RecordCB); +new_ssl_options([{alpn_advertised_protocols, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{alpn_advertised_protocols = validate_option(alpn_advertised_protocols, Value)}, RecordCB); +new_ssl_options([{alpn_preferred_protocols, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{alpn_preferred_protocols = validate_option(alpn_preferred_protocols, Value)}, RecordCB); +new_ssl_options([{next_protocols_advertised, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{next_protocols_advertised = validate_option(next_protocols_advertised, Value)}, RecordCB); +new_ssl_options([{client_preferred_next_protocols, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{next_protocol_selector = + make_next_protocol_selector(validate_option(client_preferred_next_protocols, Value))}, RecordCB); +new_ssl_options([{log_alert, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + new_ssl_options(Rest, Opts#ssl_options{log_alert = validate_option(log_alert, Value)}, RecordCB); +new_ssl_options([{server_name_indication, Value} | Rest], #ssl_options{} = Opts, RecordCB) -> + 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([{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())}, + RecordCB); + +new_ssl_options([{Key, Value} | _Rest], #ssl_options{}, _) -> + throw({error, {options, {Key, Value}}}). + + +handle_verify_options(Opts, CaCerts) -> + DefaultVerifyNoneFun = + {fun(_,{bad_cert, _}, UserState) -> + {valid, UserState}; + (_,{extension, #'Extension'{critical = true}}, UserState) -> + %% This extension is marked as critical, so + %% certificate verification should fail if we don't + %% understand the extension. However, this is + %% `verify_none', so let's accept it anyway. + {valid, UserState}; + (_,{extension, _}, UserState) -> + {unknown, UserState}; + (_, valid, UserState) -> + {valid, UserState}; + (_, valid_peer, UserState) -> + {valid, UserState} + end, []}, + VerifyNoneFun = handle_option(verify_fun, Opts, DefaultVerifyNoneFun), + + UserFailIfNoPeerCert = handle_option(fail_if_no_peer_cert, Opts, false), + UserVerifyFun = handle_option(verify_fun, Opts, undefined), + + PartialChainHanlder = handle_option(partial_chain, Opts, + fun(_) -> unknown_ca end), + + VerifyClientOnce = handle_option(verify_client_once, Opts, false), + + %% Handle 0, 1, 2 for backwards compatibility + case proplists:get_value(verify, Opts, verify_none) of + 0 -> + {verify_none, false, + ca_cert_default(verify_none, VerifyNoneFun, CaCerts), + VerifyNoneFun, PartialChainHanlder, VerifyClientOnce}; + 1 -> + {verify_peer, false, + ca_cert_default(verify_peer, UserVerifyFun, CaCerts), + UserVerifyFun, PartialChainHanlder, VerifyClientOnce}; + 2 -> + {verify_peer, true, + ca_cert_default(verify_peer, UserVerifyFun, CaCerts), + UserVerifyFun, PartialChainHanlder, VerifyClientOnce}; + verify_none -> + {verify_none, false, + ca_cert_default(verify_none, VerifyNoneFun, CaCerts), + VerifyNoneFun, PartialChainHanlder, VerifyClientOnce}; + verify_peer -> + {verify_peer, UserFailIfNoPeerCert, + ca_cert_default(verify_peer, UserVerifyFun, CaCerts), + UserVerifyFun, PartialChainHanlder, VerifyClientOnce}; + Value -> + throw({error, {options, {verify, Value}}}) + end. + +default_option_role(Role, Value, Role) -> + Value; +default_option_role(_,_,_) -> + undefined. |