diff options
Diffstat (limited to 'lib/ssl/src')
-rw-r--r-- | lib/ssl/src/ssl.app.src | 2 | ||||
-rw-r--r-- | lib/ssl/src/ssl.erl | 7 | ||||
-rw-r--r-- | lib/ssl/src/ssl_connection.erl | 28 | ||||
-rw-r--r-- | lib/ssl/src/ssl_handshake.hrl | 3 | ||||
-rw-r--r-- | lib/ssl/src/ssl_internal.hrl | 3 | ||||
-rw-r--r-- | lib/ssl/src/ssl_manager.erl | 11 | ||||
-rw-r--r-- | lib/ssl/src/ssl_tls_dist_proxy.erl | 30 | ||||
-rw-r--r-- | lib/ssl/src/tls_connection.erl | 98 | ||||
-rw-r--r-- | lib/ssl/src/tls_handshake.erl | 48 |
9 files changed, 131 insertions, 99 deletions
diff --git a/lib/ssl/src/ssl.app.src b/lib/ssl/src/ssl.app.src index 1a2bf90ccf..937a3b1bd1 100644 --- a/lib/ssl/src/ssl.app.src +++ b/lib/ssl/src/ssl.app.src @@ -54,7 +54,7 @@ {applications, [crypto, public_key, kernel, stdlib]}, {env, []}, {mod, {ssl_app, []}}, - {runtime_dependencies, ["stdlib-2.0","public_key-1.0","kernel-3.0", + {runtime_dependencies, ["stdlib-3.0","public_key-1.0","kernel-3.0", "erts-7.0","crypto-3.3", "inets-5.10.7"]}]}. diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index 33d5c1c6d6..0058e5ec9a 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -732,7 +732,8 @@ handle_options(Opts0, Role) -> 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}), @@ -747,7 +748,7 @@ 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], + fallback, signature_algs, beast_mitigation, v2_hello_compatible], SockOpts = lists:foldl(fun(Key, PropList) -> proplists:delete(Key, PropList) @@ -991,6 +992,8 @@ 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}}}). diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index 22d107ff9c..90e0810241 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -465,6 +465,14 @@ certify(internal, #certificate{asn1_certificates = []}, Connection:next_record(State0#state{client_certificate_requested = false}), Connection:next_event(certify, Record, State); +certify(internal, #certificate{}, + #state{role = server, + negotiated_version = Version, + ssl_options = #ssl_options{verify = verify_none}} = + State, Connection) -> + Alert = ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE, unrequested_certificate), + Connection:handle_own_alert(Alert, Version, certify, State); + certify(internal, #certificate{} = Cert, #state{negotiated_version = Version, role = Role, @@ -786,12 +794,24 @@ downgrade(Type, Event, State, Connection) -> %% Event handling functions called by state functions to handle %% common or unexpected events for the state. %%-------------------------------------------------------------------- +handle_common_event(internal, {handshake, {#hello_request{} = Handshake, _}}, connection = StateName, + #state{role = client} = State, _) -> + %% Should not be included in handshake history + {next_state, StateName, State#state{renegotiation = {true, peer}}, [{next_event, internal, Handshake}]}; +handle_common_event(internal, {handshake, {#hello_request{}, _}}, StateName, #state{role = client}, _) + when StateName =/= connection -> + {keep_state_and_data}; +handle_common_event(internal, {handshake, {Handshake, Raw}}, StateName, + #state{tls_handshake_history = Hs0} = State0, Connection) -> + %% This function handles client SNI hello extension when Handshake is + %% a client_hello, which needs to be determined by the connection callback. + %% In other cases this is a noop + State = Connection:handle_sni_extension(Handshake, State0), + HsHist = ssl_handshake:update_handshake_history(Hs0, Raw), + {next_state, StateName, State#state{tls_handshake_history = HsHist}, + [{next_event, internal, Handshake}]}; handle_common_event(internal, {tls_record, TLSRecord}, StateName, State, Connection) -> Connection:handle_common_event(internal, TLSRecord, StateName, State); -handle_common_event(internal, #hello_request{}, StateName, #state{role = client} = State0, Connection) - when StateName =:= connection -> - {Record, State} = Connection:next_record(State0), - Connection:next_event(StateName, Record, State); handle_common_event(timeout, hibernate, _, _, _) -> {keep_state_and_data, [hibernate]}; handle_common_event(internal, {application_data, Data}, StateName, State0, Connection) -> diff --git a/lib/ssl/src/ssl_handshake.hrl b/lib/ssl/src/ssl_handshake.hrl index e7b118de10..fde92035a2 100644 --- a/lib/ssl/src/ssl_handshake.hrl +++ b/lib/ssl/src/ssl_handshake.hrl @@ -53,7 +53,8 @@ -define(NUM_OF_SESSION_ID_BYTES, 32). % TSL 1.1 & SSL 3 -define(NUM_OF_PREMASTERSECRET_BYTES, 48). -define(DEFAULT_DIFFIE_HELLMAN_GENERATOR, 2). --define(DEFAULT_DIFFIE_HELLMAN_PRIME, 16#FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF). +-define(DEFAULT_DIFFIE_HELLMAN_PRIME, + 16#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). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Handsake protocol - RFC 4346 section 7.4 diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl index dddcbdeeda..c19c1787ff 100644 --- a/lib/ssl/src/ssl_internal.hrl +++ b/lib/ssl/src/ssl_internal.hrl @@ -139,7 +139,8 @@ fallback = false :: boolean(), crl_check :: boolean() | peer | best_effort, crl_cache, - signature_algs + signature_algs, + v2_hello_compatible :: boolean() }). -record(socket_options, diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl index 60b4fbe995..c7dcbaabe9 100644 --- a/lib/ssl/src/ssl_manager.erl +++ b/lib/ssl/src/ssl_manager.erl @@ -67,6 +67,7 @@ -define(CLEAN_SESSION_DB, 60000). -define(CLEAN_CERT_DB, 500). -define(DEFAULT_MAX_SESSION_CACHE, 1000). +-define(LOAD_MITIGATION, 10). %%==================================================================== %% API @@ -196,10 +197,12 @@ register_session(Port, Session) -> %%-------------------------------------------------------------------- -spec invalidate_session(host(), inet:port_number(), #session{}) -> ok. invalidate_session(Host, Port, Session) -> + load_mitigation(), cast({invalidate_session, Host, Port, Session}). -spec invalidate_session(inet:port_number(), #session{}) -> ok. invalidate_session(Port, Session) -> + load_mitigation(), cast({invalidate_session, Port, Session}). -spec invalidate_pem(File::binary()) -> ok. @@ -719,3 +722,11 @@ invalidate_session_cache(undefined, CacheCb, Cache) -> start_session_validator(Cache, CacheCb, {invalidate_before, erlang:monotonic_time()}, undefined); invalidate_session_cache(Pid, _CacheCb, _Cache) -> Pid. + +load_mitigation() -> + MSec = rand:uniform(?LOAD_MITIGATION), + receive + after + MSec -> + continue + end. diff --git a/lib/ssl/src/ssl_tls_dist_proxy.erl b/lib/ssl/src/ssl_tls_dist_proxy.erl index 2e308a15b7..a920f54ed2 100644 --- a/lib/ssl/src/ssl_tls_dist_proxy.erl +++ b/lib/ssl/src/ssl_tls_dist_proxy.erl @@ -402,6 +402,18 @@ ssl_options(server, ["server_verify", Value|T]) -> [{verify, atomize(Value)} | ssl_options(server,T)]; ssl_options(client, ["client_verify", Value|T]) -> [{verify, atomize(Value)} | ssl_options(client,T)]; +ssl_options(server, ["server_verify_fun", Value|T]) -> + [{verify_fun, verify_fun(Value)} | ssl_options(server,T)]; +ssl_options(client, ["client_verify_fun", Value|T]) -> + [{verify_fun, verify_fun(Value)} | ssl_options(client,T)]; +ssl_options(server, ["server_crl_check", Value|T]) -> + [{crl_check, atomize(Value)} | ssl_options(server,T)]; +ssl_options(client, ["client_crl_check", Value|T]) -> + [{crl_check, atomize(Value)} | ssl_options(client,T)]; +ssl_options(server, ["server_crl_cache", Value|T]) -> + [{crl_cache, termify(Value)} | ssl_options(server,T)]; +ssl_options(client, ["client_crl_cache", Value|T]) -> + [{crl_cache, termify(Value)} | ssl_options(client,T)]; ssl_options(server, ["server_reuse_sessions", Value|T]) -> [{reuse_sessions, atomize(Value)} | ssl_options(server,T)]; ssl_options(client, ["client_reuse_sessions", Value|T]) -> @@ -426,14 +438,28 @@ ssl_options(server, ["server_dhfile", Value|T]) -> [{dhfile, Value} | ssl_options(server,T)]; ssl_options(server, ["server_fail_if_no_peer_cert", Value|T]) -> [{fail_if_no_peer_cert, atomize(Value)} | ssl_options(server,T)]; -ssl_options(_,_) -> - exit(malformed_ssl_dist_opt). +ssl_options(Type, Opts) -> + error(malformed_ssl_dist_opt, [Type, Opts]). atomize(List) when is_list(List) -> list_to_atom(List); atomize(Atom) when is_atom(Atom) -> Atom. +termify(String) when is_list(String) -> + {ok, Tokens, _} = erl_scan:string(String ++ "."), + {ok, Term} = erl_parse:parse_term(Tokens), + Term. + +verify_fun(Value) -> + case termify(Value) of + {Mod, Func, State} when is_atom(Mod), is_atom(Func) -> + Fun = fun Mod:Func/3, + {Fun, State}; + _ -> + error(malformed_ssl_dist_opt, [Value]) + end. + flush_old_controller(Pid, Socket) -> receive {tcp, Socket, Data} -> diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl index 91903b4a1f..eaf2dd002d 100644 --- a/lib/ssl/src/tls_connection.erl +++ b/lib/ssl/src/tls_connection.erl @@ -50,7 +50,7 @@ %% Handshake handling -export([renegotiate/2, send_handshake/2, send_change_cipher/2, - reinit_handshake_data/1]). + reinit_handshake_data/1, handle_sni_extension/2]). %% Alert and close handling -export([send_alert/2, handle_own_alert/4, handle_close_alert/3, @@ -228,16 +228,16 @@ error(_, _, _) -> gen_statem:state_function_result(). %%-------------------------------------------------------------------- hello(internal, #client_hello{client_version = ClientVersion, - extensions = #hello_extensions{ec_point_formats = EcPointFormats, - elliptic_curves = EllipticCurves}} = Hello, - State = #state{connection_states = ConnectionStates0, - port = Port, session = #session{own_certificate = Cert} = Session0, - renegotiation = {Renegotiation, _}, - session_cache = Cache, - session_cache_cb = CacheCb, - negotiated_protocol = CurrentProtocol, - key_algorithm = KeyExAlg, - ssl_options = SslOpts}) -> + extensions = #hello_extensions{ec_point_formats = EcPointFormats, + elliptic_curves = EllipticCurves}} = Hello, + #state{connection_states = ConnectionStates0, + port = Port, session = #session{own_certificate = Cert} = Session0, + renegotiation = {Renegotiation, _}, + session_cache = Cache, + session_cache_cb = CacheCb, + negotiated_protocol = CurrentProtocol, + key_algorithm = KeyExAlg, + ssl_options = SslOpts} = State) -> case tls_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb, ConnectionStates0, Cert, KeyExAlg}, Renegotiation) of @@ -311,7 +311,7 @@ cipher(Type, Event, State) -> connection(info, Event, State) -> handle_info(Event, connection, State); connection(internal, #hello_request{}, - #state{host = Host, port = Port, + #state{role = client, host = Host, port = Port, session = #session{own_certificate = Cert} = Session0, session_cache = Cache, session_cache_cb = CacheCb, ssl_options = SslOpts, @@ -326,14 +326,16 @@ connection(internal, #hello_request{}, = Hello#client_hello.session_id}}), next_event(hello, Record, State); connection(internal, #client_hello{} = Hello, - #state{role = server, allow_renegotiate = true} = State) -> + #state{role = server, allow_renegotiate = true} = State0) -> %% Mitigate Computational DoS attack %% http://www.educatedguesswork.org/2011/10/ssltls_and_computational_dos.html %% http://www.thc.org/thc-ssl-dos/ Rather than disabling client %% initiated renegotiation we will disallow many client initiated %% renegotiations immediately after each other. erlang:send_after(?WAIT_TO_ALLOW_RENEGOTIATION, self(), allow_renegotiate), - {next_state, hello, State#state{allow_renegotiate = false}, [{next_event, internal, Hello}]}; + {Record, State} = next_record(State0#state{allow_renegotiate = false, + renegotiation = {true, peer}}), + next_event(hello, Record, State, [{next_event, internal, Hello}]); connection(internal, #client_hello{}, #state{role = server, allow_renegotiate = false} = State0) -> Alert = ?ALERT_REC(?WARNING, ?NO_RENEGOTIATION), @@ -397,40 +399,14 @@ handle_common_event(internal, #alert{} = Alert, StateName, handle_common_event(internal, #ssl_tls{type = ?HANDSHAKE, fragment = Data}, StateName, #state{protocol_buffers = #protocol_buffers{tls_handshake_buffer = Buf0} = Buffers, - negotiated_version = Version} = State0) -> - - Handle = - fun({#hello_request{} = Packet, _}, {connection, HState}) -> - %% This message should not be included in handshake - %% message hashes. Starts new handshake (renegotiation) - Hs0 = ssl_handshake:init_handshake_history(), - {HState#state{tls_handshake_history = Hs0, - renegotiation = {true, peer}}, - {next_event, internal, Packet}}; - ({#hello_request{}, _}, {next_state, _SName, HState}) -> - %% This message should not be included in handshake - %% message hashes. Already in negotiation so it will be ignored! - {HState, []}; - ({#client_hello{} = Packet, Raw}, {connection, HState0}) -> - HState = handle_sni_extension(Packet, HState0), - Version = Packet#client_hello.client_version, - Hs0 = ssl_handshake:init_handshake_history(), - Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw), - {HState#state{tls_handshake_history = Hs1, - renegotiation = {true, peer}}, - {next_event, internal, Packet}}; - - ({Packet, Raw}, {_SName, HState0 = #state{tls_handshake_history=Hs0}}) -> - HState = handle_sni_extension(Packet, HState0), - Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw), - {HState#state{tls_handshake_history=Hs1}, {next_event, internal, Packet}} - end, + negotiated_version = Version, + ssl_options = Options} = State0) -> try - {Packets, Buf} = tls_handshake:get_tls_handshake(Version,Data,Buf0), - State1 = State0#state{protocol_buffers = - Buffers#protocol_buffers{tls_packets = Packets, - tls_handshake_buffer = Buf}}, - {State, Events} = tls_handshake_events(Handle, StateName, State1, []), + {Packets, Buf} = tls_handshake:get_tls_handshake(Version,Data,Buf0, Options), + State = + State0#state{protocol_buffers = + Buffers#protocol_buffers{tls_handshake_buffer = Buf}}, + Events = tls_handshake_events(Packets), case StateName of connection -> ssl_connection:hibernate_after(StateName, State, Events); @@ -779,24 +755,12 @@ send_or_reply(_, Pid, _From, Data) -> send_user(Pid, Msg) -> Pid ! Msg. -tls_handshake_events(Handle, StateName, - #state{protocol_buffers = - #protocol_buffers{tls_packets = [Packet]} = Buffers} = State0, Acc) -> - {State, Event} = Handle(Packet, {StateName, - State0#state{protocol_buffers = - Buffers#protocol_buffers{tls_packets = []}}}), - {State, lists:reverse([Event |Acc])}; -tls_handshake_events(Handle, StateName, - #state{protocol_buffers = - #protocol_buffers{tls_packets = - [Packet | Packets]} = Buffers} = State0, Acc) -> - {State, Event} = Handle(Packet, {StateName, State0#state{protocol_buffers = - Buffers#protocol_buffers{tls_packets = - Packets}}}), - tls_handshake_events(Handle, StateName, State, [Event | Acc]); - -tls_handshake_events(_Handle, _, #state{}, _) -> - throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)). +tls_handshake_events([]) -> + throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, malformed_handshake)); +tls_handshake_events(Packets) -> + lists:map(fun(Packet) -> + {next_event, internal, {handshake, Packet}} + end, Packets). write_application_data(Data0, From, #state{socket = Socket, @@ -1065,5 +1029,5 @@ handle_sni_extension(#client_hello{extensions = HelloExtensions}, State0) -> } end end; -handle_sni_extension(_, State0) -> - State0. +handle_sni_extension(_, State) -> + State. diff --git a/lib/ssl/src/tls_handshake.erl b/lib/ssl/src/tls_handshake.erl index 871eb970eb..397f963ad5 100644 --- a/lib/ssl/src/tls_handshake.erl +++ b/lib/ssl/src/tls_handshake.erl @@ -33,7 +33,7 @@ -include_lib("public_key/include/public_key.hrl"). -export([client_hello/8, hello/4, - get_tls_handshake/3, encode_handshake/2, decode_handshake/3]). + get_tls_handshake/4, encode_handshake/2, decode_handshake/4]). -type tls_handshake() :: #client_hello{} | ssl_handshake:ssl_handshake(). @@ -133,17 +133,17 @@ encode_handshake(Package, Version) -> [MsgType, ?uint24(Len), Bin]. %%-------------------------------------------------------------------- --spec get_tls_handshake(tls_record:tls_version(), binary(), binary() | iolist()) -> +-spec get_tls_handshake(tls_record:tls_version(), binary(), binary() | iolist(), #ssl_options{}) -> {[tls_handshake()], binary()}. %% %% Description: Given buffered and new data from ssl_record, collects %% and returns it as a list of handshake messages, also returns leftover %% data. %%-------------------------------------------------------------------- -get_tls_handshake(Version, Data, <<>>) -> - get_tls_handshake_aux(Version, Data, []); -get_tls_handshake(Version, Data, Buffer) -> - get_tls_handshake_aux(Version, list_to_binary([Buffer, Data]), []). +get_tls_handshake(Version, Data, <<>>, Options) -> + get_tls_handshake_aux(Version, Data, Options, []); +get_tls_handshake(Version, Data, Buffer, Options) -> + get_tls_handshake_aux(Version, list_to_binary([Buffer, Data]), Options, []). %%-------------------------------------------------------------------- %%% Internal functions @@ -184,24 +184,24 @@ handle_client_hello(Version, #client_hello{session_id = SugesstedId, end. get_tls_handshake_aux(Version, <<?BYTE(Type), ?UINT24(Length), - Body:Length/binary,Rest/binary>>, Acc) -> + Body:Length/binary,Rest/binary>>, #ssl_options{v2_hello_compatible = V2Hello} = Opts, Acc) -> Raw = <<?BYTE(Type), ?UINT24(Length), Body/binary>>, - Handshake = decode_handshake(Version, Type, Body), - get_tls_handshake_aux(Version, Rest, [{Handshake,Raw} | Acc]); -get_tls_handshake_aux(_Version, Data, Acc) -> + Handshake = decode_handshake(Version, Type, Body, V2Hello), + get_tls_handshake_aux(Version, Rest, Opts, [{Handshake,Raw} | Acc]); +get_tls_handshake_aux(_Version, Data, _, Acc) -> {lists:reverse(Acc), Data}. -decode_handshake(_, ?HELLO_REQUEST, <<>>) -> +decode_handshake(_, ?HELLO_REQUEST, <<>>, _) -> #hello_request{}; %% Client hello v2. %% The server must be able to receive such messages, from clients that %% are willing to use ssl v3 or higher, but have ssl v2 compatibility. decode_handshake(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), - ?UINT16(CSLength), ?UINT16(0), - ?UINT16(CDLength), - CipherSuites:CSLength/binary, - ChallengeData:CDLength/binary>>) -> + ?UINT16(CSLength), ?UINT16(0), + ?UINT16(CDLength), + CipherSuites:CSLength/binary, + ChallengeData:CDLength/binary>>, true) -> #client_hello{client_version = {Major, Minor}, random = ssl_v2:client_random(ChallengeData, CDLength), session_id = 0, @@ -209,12 +209,18 @@ decode_handshake(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), compression_methods = [?NULL], extensions = #hello_extensions{} }; +decode_handshake(_Version, ?CLIENT_HELLO, <<?BYTE(_), ?BYTE(_), + ?UINT16(CSLength), ?UINT16(0), + ?UINT16(CDLength), + _CipherSuites:CSLength/binary, + _ChallengeData:CDLength/binary>>, false) -> + throw(?ALERT_REC(?FATAL, ?PROTOCOL_VERSION, ssl_v2_client_hello_no_supported)); decode_handshake(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary, - ?BYTE(SID_length), Session_ID:SID_length/binary, - ?UINT16(Cs_length), CipherSuites:Cs_length/binary, - ?BYTE(Cm_length), Comp_methods:Cm_length/binary, - Extensions/binary>>) -> - + ?BYTE(SID_length), Session_ID:SID_length/binary, + ?UINT16(Cs_length), CipherSuites:Cs_length/binary, + ?BYTE(Cm_length), Comp_methods:Cm_length/binary, + Extensions/binary>>, _) -> + DecodedExtensions = ssl_handshake:decode_hello_extensions({client, Extensions}), #client_hello{ @@ -226,7 +232,7 @@ decode_handshake(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:3 extensions = DecodedExtensions }; -decode_handshake(Version, Tag, Msg) -> +decode_handshake(Version, Tag, Msg, _) -> ssl_handshake:decode_handshake(Version, Tag, Msg). enc_handshake(#hello_request{}, _Version) -> |