diff options
Diffstat (limited to 'lib/ssl/src/ssl.erl')
| -rw-r--r-- | lib/ssl/src/ssl.erl | 301 |
1 files changed, 191 insertions, 110 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index 6551308935..27b753af2e 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2015. All Rights Reserved. +%% Copyright Ericsson AB 1999-2016. 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. @@ -34,15 +34,16 @@ 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, close/2, 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, getstat/1, getstat/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_protocol/1, negotiated_next_protocol/1, connection_information/1, connection_information/2]). %% Misc --export([random_bytes/1, 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}). @@ -60,22 +61,19 @@ -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. %% @@ -100,12 +98,12 @@ connect(Socket, SslOptions) when is_port(Socket) -> connect(Socket, SslOptions, infinity). connect(Socket, SslOptions0, Timeout) when is_port(Socket), - (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity) -> + (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), - try handle_options(SslOptions0 ++ SocketValues) of + try handle_options(SslOptions0 ++ SocketValues, client) of {ok, #config{transport_info = CbInfo, ssl = SslOptions, emulated = EmOpts, connection_cb = ConnectionCb}} -> @@ -126,8 +124,8 @@ connect(Socket, SslOptions0, Timeout) when is_port(Socket), 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) of +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) catch @@ -145,7 +143,7 @@ listen(_Port, []) -> {error, nooptions}; listen(Port, Options0) -> try - {ok, Config} = handle_options(Options0), + {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, @@ -176,7 +174,7 @@ 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) -> + 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), @@ -209,31 +207,31 @@ transport_accept(#sslsocket{pid = {ListenSocket, ssl_accept(ListenSocket) -> ssl_accept(ListenSocket, infinity). -ssl_accept(#sslsocket{} = Socket, Timeout) when (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity) -> +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) when (is_integer(Timeout) andalso Timeout > 0) or (Timeout == 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 - (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity)-> - try - {ok, EmOpts, InheritedSslOpts} = ssl_socket:get_all_opts(Tracker), +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), - (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity) -> + (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), ConnetionCb = connection_cb(SslOptions), - try handle_options(SslOptions ++ SocketValues) of + 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), @@ -255,17 +253,17 @@ close(#sslsocket{pid = {ListenSocket, #config{transport_info={Transport,_, _, _} Transport:close(ListenSocket). %%-------------------------------------------------------------------- --spec close(#sslsocket{}, integer() | {pid(), integer()}) -> term(). +-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) -> +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) -> +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). @@ -289,7 +287,7 @@ 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), - (is_integer(Timeout) andalso Timeout > 0) or (Timeout == infinity)-> + (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)-> @@ -315,24 +313,32 @@ controlling_process(#sslsocket{pid = {Listen, %% %% Description: Return SSL information for the connection %%-------------------------------------------------------------------- -connection_information(#sslsocket{pid = Pid}) when is_pid(Pid) -> ssl_connection:connection_information(Pid); -connection_information(#sslsocket{pid = {Listen, _}}) when is_port(Listen) -> {error, enotconn}. - +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()}. +-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, I} -> - {ok, lists:filter(fun({K, _}) -> lists:foldl(fun(K1, Acc) when K1 =:= K -> Acc + 1; (_, Acc) -> Acc end, 0, Items) > 0 end, I)}; - E -> - E + {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()}. %% @@ -372,15 +378,6 @@ peercert(#sslsocket{pid = {Listen, _}}) when is_port(Listen) -> {error, enotconn}. %%-------------------------------------------------------------------- --spec suite_definition(ssl_cipher:cipher_suite()) -> ssl_cipher:erl_cipher_suite(). -%% -%% Description: Return erlang cipher suite definition. -%%-------------------------------------------------------------------- -suite_definition(S) -> - {KeyExchange, Cipher, Hash, _} = ssl_cipher:suite_definition(S), - {KeyExchange, Cipher, Hash}. - -%%-------------------------------------------------------------------- -spec negotiated_protocol(#sslsocket{}) -> {ok, binary()} | {error, reason()}. %% %% Description: Returns the protocol that has been negotiated. If no @@ -404,24 +401,23 @@ negotiated_next_protocol(Socket) -> end. %%-------------------------------------------------------------------- +-spec cipher_suites() -> [ssl_cipher:erl_cipher_suite()] | [string()]. +%%-------------------------------------------------------------------- +cipher_suites() -> + cipher_suites(erlang). +%%-------------------------------------------------------------------- -spec cipher_suites(erlang | openssl | all) -> [ssl_cipher:erl_cipher_suite()] | [string()]. %% Description: Returns all supported cipher suites. %%-------------------------------------------------------------------- cipher_suites(erlang) -> - Version = tls_record:highest_protocol_version([]), - ssl_cipher:filter_suites([suite_definition(S) - || S <- ssl_cipher:suites(Version)]); + [ssl_cipher:erl_suite_definition(Suite) || Suite <- available_suites(default)]; + cipher_suites(openssl) -> - Version = tls_record:highest_protocol_version([]), - [ssl_cipher:openssl_suite_name(S) - || S <- ssl_cipher:filter_suites(ssl_cipher:suites(Version))]; + [ssl_cipher:openssl_suite_name(Suite) || Suite <- available_suites(default)]; + cipher_suites(all) -> - Version = tls_record:highest_protocol_version([]), - ssl_cipher:filter_suites([suite_definition(S) - || S <-ssl_cipher:all_suites(Version)]). -cipher_suites() -> - cipher_suites(erlang). + [ssl_cipher:erl_suite_definition(Suite) || Suite <- available_suites(all)]. %%-------------------------------------------------------------------- -spec getopts(#sslsocket{}, [gen_tcp:option_name()]) -> @@ -474,6 +470,32 @@ setopts(#sslsocket{}, Options) -> {error, {options,{not_a_proplist, Options}}}. %%--------------------------------------------------------------- +-spec getstat(Socket) -> + {ok, OptionValues} | {error, inet:posix()} when + Socket :: #sslsocket{}, + OptionValues :: [{inet:stat_option(), integer()}]. +%% +%% Description: Get all statistic options for a socket. +%%-------------------------------------------------------------------- +getstat(Socket) -> + getstat(Socket, inet:stats()). + +%%--------------------------------------------------------------- +-spec getstat(Socket, Options) -> + {ok, OptionValues} | {error, inet:posix()} when + Socket :: #sslsocket{}, + Options :: [inet:stat_option()], + OptionValues :: [{inet:stat_option(), integer()}]. +%% +%% 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); + +getstat(#sslsocket{pid = Pid, fd = {Transport, Socket, _, _}}, Options) when is_pid(Pid), is_list(Options) -> + ssl_socket:getstat(Transport, Socket, Options). + +%%--------------------------------------------------------------- -spec shutdown(#sslsocket{}, read | write | read_write) -> ok | {error, reason()}. %% %% Description: Same as gen_tcp:shutdown/2 @@ -585,25 +607,24 @@ format_error(Error) -> Other end. -%%-------------------------------------------------------------------- --spec random_bytes(integer()) -> binary(). - -%% -%% Description: Generates cryptographically secure random sequence if possible -%% fallbacks on pseudo random function -%%-------------------------------------------------------------------- -random_bytes(N) -> - try crypto:strong_rand_bytes(N) of - RandBytes -> - RandBytes - catch - error:low_entropy -> - crypto:rand_bytes(N) - end. +tls_version({3, _} = Version) -> + Version; +tls_version({254, _} = Version) -> + dtls_v1:corresponding_tls_version(Version). %%%-------------------------------------------------------------- %%% Internal functions %%%-------------------------------------------------------------------- + +%% Possible filters out suites not supported by crypto +available_suites(default) -> + Version = tls_record:highest_protocol_version([]), + ssl_cipher:filter_suites(ssl_cipher:suites(Version)); + +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}, @@ -630,7 +651,8 @@ 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} = handle_verify_options(Opts0, CaCerts), + {Verify, FailIfNoPeerCert, CaCertDefault, VerifyFun, PartialChainHanlder, + VerifyClientOnce} = handle_verify_options(Opts0, CaCerts), CaCertFile = case proplists:get_value(cacertfile, Opts0, CaCertFile0) of undefined -> CaCertDefault; @@ -643,11 +665,12 @@ handle_options(Opts0, #ssl_options{protocol = Protocol, cacerts = CaCerts0, verify = Verify, verify_fun = VerifyFun, partial_chain = PartialChainHanlder, - fail_if_no_peer_cert = FailIfNoPeerCert}, + 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]), + fail_if_no_peer_cert, verify_client_once]), case handle_option(versions, SslOpts1, []) of [] -> new_ssl_options(SslOpts1, NewVerifyOpts, RecordCB); @@ -655,10 +678,10 @@ handle_options(Opts0, #ssl_options{protocol = Protocol, cacerts = CaCerts0, Versions = [RecordCB:protocol_version(Vsn) || Vsn <- Value], new_ssl_options(proplists:delete(versions, SslOpts1), NewVerifyOpts#ssl_options{versions = Versions}, record_cb(Protocol)) - end. + end; %% Handle all options in listen and connect -handle_options(Opts0) -> +handle_options(Opts0, Role) -> Opts = proplists:expand([{binary, [{mode, binary}]}, {list, [{mode, list}]}], Opts0), assert_proplist(Opts), @@ -667,7 +690,7 @@ handle_options(Opts0) -> ReuseSessionFun = fun(_, _, _, _) -> true end, CaCerts = handle_option(cacerts, Opts, undefined), - {Verify, FailIfNoPeerCert, CaCertDefault, VerifyFun, PartialChainHanlder} = + {Verify, FailIfNoPeerCert, CaCertDefault, VerifyFun, PartialChainHanlder, VerifyClientOnce} = handle_verify_options(Opts, CaCerts), CertFile = handle_option(certfile, Opts, <<>>), @@ -686,7 +709,7 @@ handle_options(Opts0) -> 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, @@ -702,13 +725,19 @@ handle_options(Opts0) -> srp_identity = handle_option(srp_identity, Opts, undefined), 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, true), + 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), + hibernate_after = handle_option(hibernate_after, Opts, infinity), erl_dist = handle_option(erl_dist, Opts, false), alpn_advertised_protocols = handle_option(alpn_advertised_protocols, Opts, undefined), @@ -723,12 +752,20 @@ handle_options(Opts0) -> server_name_indication = handle_option(server_name_indication, Opts, undefined), sni_hosts = handle_option(sni_hosts, Opts, []), sni_fun = handle_option(sni_fun, Opts, undefined), - honor_cipher_order = handle_option(honor_cipher_order, Opts, false), + 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 = proplists:get_value(fallback, Opts, false), + beast_mitigation = handle_option(beast_mitigation, Opts, one_n_minus_one), + 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, []}}) + crl_cache = handle_option(crl_cache, Opts, {ssl_crl_cache, {internal, []}}), + v2_hello_compatible = handle_option(v2_hello_compatible, Opts, false) }, CbInfo = proplists:get_value(cb_info, Opts, {gen_tcp, tcp, tcp_closed, tcp_error}), @@ -743,7 +780,7 @@ handle_options(Opts0) -> 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], + fallback, signature_algs, beast_mitigation, v2_hello_compatible], SockOpts = lists:foldl(fun(Key, PropList) -> proplists:delete(Key, PropList) @@ -756,6 +793,13 @@ handle_options(Opts0) -> 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)), @@ -772,7 +816,6 @@ 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) @@ -885,10 +928,13 @@ validate_option(client_renegotiation, Value) when is_boolean(Value) -> validate_option(renegotiate_at, Value) when is_integer(Value) -> erlang:min(Value, ?DEFAULT_RENEGOTIATE_AT); -validate_option(hibernate_after, undefined) -> - undefined; +validate_option(hibernate_after, undefined) -> %% Backwards compatibility + infinity; +validate_option(hibernate_after, infinity) -> + infinity; 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) @@ -974,9 +1020,27 @@ 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(beast_mitigation, Value) when Value == one_n_minus_one orelse + Value == zero_n orelse + Value == disabled -> + Value; +validate_option(v2_hello_compatible, Value) when is_boolean(Value) -> + 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([]) -> []; @@ -1077,10 +1141,7 @@ 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, [{_,_,_,_}| _] = 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, [Tuple|_] = Ciphers0) when is_tuple(Tuple) -> Ciphers = [ssl_cipher:suite(C) || C <- Ciphers0], binary_cipher_suites(Version, Ciphers); @@ -1216,7 +1277,8 @@ emulated_socket_options(InetValues, #socket_options{ 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(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) -> @@ -1272,6 +1334,13 @@ 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([{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}}}). @@ -1280,6 +1349,12 @@ 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) -> @@ -1295,29 +1370,35 @@ handle_verify_options(Opts, CaCerts) -> 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}; + VerifyNoneFun, PartialChainHanlder, VerifyClientOnce}; 1 -> {verify_peer, false, ca_cert_default(verify_peer, UserVerifyFun, CaCerts), - UserVerifyFun, PartialChainHanlder}; + UserVerifyFun, PartialChainHanlder, VerifyClientOnce}; 2 -> {verify_peer, true, ca_cert_default(verify_peer, UserVerifyFun, CaCerts), - UserVerifyFun, PartialChainHanlder}; + UserVerifyFun, PartialChainHanlder, VerifyClientOnce}; verify_none -> {verify_none, false, ca_cert_default(verify_none, VerifyNoneFun, CaCerts), - VerifyNoneFun, PartialChainHanlder}; + VerifyNoneFun, PartialChainHanlder, VerifyClientOnce}; verify_peer -> {verify_peer, UserFailIfNoPeerCert, ca_cert_default(verify_peer, UserVerifyFun, CaCerts), - UserVerifyFun, PartialChainHanlder}; + UserVerifyFun, PartialChainHanlder, VerifyClientOnce}; Value -> throw({error, {options, {verify, Value}}}) end. +default_option_role(Role, Value, Role) -> + Value; +default_option_role(_,_,_) -> + undefined. |