diff options
Diffstat (limited to 'lib/ssl')
| -rw-r--r-- | lib/ssl/src/ssl_connection.erl | 3 | ||||
| -rw-r--r-- | lib/ssl/src/ssl_handshake.erl | 95 |
2 files changed, 58 insertions, 40 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index 750604c8b6..25a293f125 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -98,7 +98,8 @@ terminated = false, % allow_renegotiate = true, expecting_next_protocol_negotiation = false :: boolean(), - next_protocol = undefined :: undefined | binary() + next_protocol = undefined :: undefined | binary(), + client_ecc % {Curves, PointFmt} }). -define(DEFAULT_DIFFIE_HELLMAN_PARAMS, diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl index b40f944d28..598877abff 100644 --- a/lib/ssl/src/ssl_handshake.erl +++ b/lib/ssl/src/ssl_handshake.erl @@ -173,52 +173,27 @@ hello(#server_hello{cipher_suite = CipherSuite, server_version = Version, ?ALERT_REC(?FATAL, ?PROTOCOL_VERSION) end; -hello(#client_hello{client_version = ClientVersion, random = Random, - cipher_suites = CipherSuites, - renegotiation_info = Info, - srp = SRP, - ec_point_formats = EcPointFormats0, - elliptic_curves = EllipticCurves0} = Hello, - #ssl_options{versions = Versions, - secure_renegotiate = SecureRenegotation} = SslOpts, +hello(#client_hello{client_version = ClientVersion} = Hello, + #ssl_options{versions = Versions} = SslOpts, {Port, Session0, Cache, CacheCb, ConnectionStates0, Cert}, Renegotiation) -> -%% TODO: select hash and signature algorithm + %% TODO: select hash and signature algorithm Version = select_version(ClientVersion, Versions), case ssl_record:is_acceptable_version(Version, Versions) of true -> %% TODO: need to take supported Curves into Account when selecting the CipherSuite.... %% if whe have an ECDSA cert with an unsupported curve, we need to drop ECDSA ciphers - {Type, #session{cipher_suite = CipherSuite, - compression_method = Compression} = Session1} + {Type, #session{cipher_suite = CipherSuite} = Session1} = select_session(Hello, Port, Session0, Version, SslOpts, Cache, CacheCb, Cert), case CipherSuite of no_suite -> ?ALERT_REC(?FATAL, ?INSUFFICIENT_SECURITY); _ -> - Session = handle_srp_info(SRP, Session1), - case handle_renegotiation_info(server, Info, ConnectionStates0, - Renegotiation, SecureRenegotation, - CipherSuites) of - {ok, ConnectionStates1} -> - ConnectionStates = - hello_pending_connection_states(server, - Version, - CipherSuite, - Random, - Compression, - ConnectionStates1), - case handle_next_protocol_on_server(Hello, Renegotiation, SslOpts) of - #alert{} = Alert -> - Alert; - ProtocolsToAdvertise -> - {EcPointFormats1, EllipticCurves1} = - handle_ecc_extensions(Version, EcPointFormats0, EllipticCurves0), - - {Version, {Type, Session}, ConnectionStates, - ProtocolsToAdvertise, EcPointFormats1, EllipticCurves1} - end; - #alert{} = Alert -> + try handle_hello_extensions(Hello, Version, SslOpts, Session1, ConnectionStates0, Renegotiation) of + {Session, ConnectionStates, ProtocolsToAdvertise, ECPointFormats, EllipticCurves} -> + {Version, {Type, Session}, ConnectionStates, + ProtocolsToAdvertise, ECPointFormats, EllipticCurves} + catch throw:Alert -> Alert end end; @@ -897,11 +872,6 @@ handle_ecc_curves_extension(Version, undefined) -> handle_ecc_curves_extension(Version, _) -> #elliptic_curves{elliptic_curve_list = ssl_tls1:ecc_curves(Version)}. -handle_srp_info(undefined, Session) -> - Session; -handle_srp_info(#srp{username = Username}, Session) -> - Session#session{srp_username = Username}. - handle_renegotiation_info(_, #renegotiation_info{renegotiated_connection = ?byte(0)}, ConnectionStates, false, _, _) -> {ok, ssl_record:set_renegotiation_flag(true, ConnectionStates)}; @@ -1774,3 +1744,50 @@ default_hash_signs() -> #hash_sign_algos{hash_sign_algos = lists:filter(fun({_, ecdsa}) -> HasECC; (_) -> true end, HashSigns)}. + +handle_hello_extensions(#client_hello{random = Random, + cipher_suites = CipherSuites, + renegotiation_info = Info, + srp = SRP, + ec_point_formats = EcPointFormats0, + elliptic_curves = EllipticCurves0} = Hello, Version, + #ssl_options{secure_renegotiate = SecureRenegotation} = Opts, + Session0, ConnectionStates0, Renegotiation) -> + Session = handle_srp_extension(SRP, Session0), + ConnectionStates = handle_renegotiation_extension(Version, Info, Random, Session, ConnectionStates0, + Renegotiation, SecureRenegotation, CipherSuites), + ProtocolsToAdvertise = handle_next_protocol_extension(Hello, Renegotiation, Opts), + {EcPointFormats, EllipticCurves} = handle_ecc_extensions(Version, EcPointFormats0, EllipticCurves0), + %%TODO make extensions compund data structure + {Session, ConnectionStates, ProtocolsToAdvertise, EcPointFormats, EllipticCurves}. + + +handle_renegotiation_extension(Version, Info, Random, #session{cipher_suite = CipherSuite, + compression_method = Compression}, + ConnectionStates0, Renegotiation, SecureRenegotation, CipherSuites) -> + case handle_renegotiation_info(server, Info, ConnectionStates0, + Renegotiation, SecureRenegotation, + CipherSuites) of + {ok, ConnectionStates1} -> + hello_pending_connection_states(server, + Version, + CipherSuite, + Random, + Compression, + ConnectionStates1); + #alert{} = Alert -> + throw(Alert) + end. + +handle_next_protocol_extension(Hello, Renegotiation, SslOpts)-> + case handle_next_protocol_on_server(Hello, Renegotiation, SslOpts) of + #alert{} = Alert -> + throw(Alert); + ProtocolsToAdvertise -> + ProtocolsToAdvertise + end. + +handle_srp_extension(undefined, Session) -> + Session; +handle_srp_extension(#srp{username = Username}, Session) -> + Session#session{srp_username = Username}. |