diff options
Diffstat (limited to 'lib/ssl/src/tls_connection.erl')
| -rw-r--r-- | lib/ssl/src/tls_connection.erl | 1652 |
1 files changed, 159 insertions, 1493 deletions
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl index 39595b4f95..a8885201f8 100644 --- a/lib/ssl/src/tls_connection.erl +++ b/lib/ssl/src/tls_connection.erl @@ -29,6 +29,7 @@ -behaviour(gen_fsm). +-include("tls_connection.hrl"). -include("tls_handshake.hrl"). -include("ssl_alert.hrl"). -include("tls_record.hrl"). @@ -41,7 +42,11 @@ -export([send/2, recv/3, connect/7, ssl_accept/6, handshake/2, socket_control/3, close/1, shutdown/2, new_user/2, get_opts/2, set_opts/2, info/1, session_info/1, - peer_certificate/1, renegotiation/1, negotiated_next_protocol/1, prf/5]). + peer_certificate/1, renegotiation/1, negotiated_next_protocol/1, prf/5, + send_handshake/2, send_alert/2, send_change_cipher/2, next_record/1, next_state/4, + handle_unexpected_message/3, ack_connection/1, handle_own_alert/4, next_state_connection/2, + register_session/4 + ]). %% Called by ssl_connection_sup -export([start_link/7]). @@ -51,61 +56,6 @@ abbreviated/2, connection/2, handle_event/3, handle_sync_event/4, handle_info/3, terminate/3, code_change/4]). --record(state, { - role, % client | server - user_application, % {MonitorRef, pid()} - transport_cb, % atom() - callback module - data_tag, % atom() - ex tcp. - close_tag, % atom() - ex tcp_closed - error_tag, % atom() - ex tcp_error - host, % string() | ipadress() - port, % integer() - socket, % socket() - ssl_options, % #ssl_options{} - socket_options, % #socket_options{} - connection_states, % #connection_states{} from ssl_record.hrl - tls_packets = [], % Not yet handled decode ssl/tls packets. - tls_record_buffer, % binary() buffer of incomplete records - tls_handshake_buffer, % binary() buffer of incomplete handshakes - tls_handshake_history, % tls_handshake_history() - tls_cipher_texts, % list() received but not deciphered yet - cert_db, % - session, % #session{} from tls_handshake.hrl - session_cache, % - session_cache_cb, % - negotiated_version, % tls_version() - client_certificate_requested = false, - key_algorithm, % atom as defined by cipher_suite - hashsign_algorithm = {undefined, undefined}, - cert_hashsign_algorithm, - public_key_info, % PKIX: {Algorithm, PublicKey, PublicKeyParams} - private_key, % PKIX: #'RSAPrivateKey'{} - diffie_hellman_params, % PKIX: #'DHParameter'{} relevant for server side - diffie_hellman_keys, % {PublicKey, PrivateKey} - psk_identity, % binary() - server psk identity hint - srp_params, % #srp_user{} - srp_keys, % {PublicKey, PrivateKey} - premaster_secret, % - file_ref_db, % ets() - cert_db_ref, % ref() - bytes_to_read, % integer(), # bytes to read in passive mode - user_data_buffer, % binary() - renegotiation, % {boolean(), From | internal | peer} - start_or_recv_from, % "gen_fsm From" - timer, % start_or_recv_timer - send_queue, % queue() - terminated = false, % - allow_renegotiate = true, - expecting_next_protocol_negotiation = false :: boolean(), - next_protocol = undefined :: undefined | binary() - }). - --define(DEFAULT_DIFFIE_HELLMAN_PARAMS, - #'DHParameter'{prime = ?DEFAULT_DIFFIE_HELLMAN_PRIME, - base = ?DEFAULT_DIFFIE_HELLMAN_GENERATOR}). --define(WAIT_TO_ALLOW_RENEGOTIATION, 12000). - - %%==================================================================== %% Internal application API %%==================================================================== @@ -280,6 +230,37 @@ renegotiation(ConnectionPid) -> prf(ConnectionPid, Secret, Label, Seed, WantedLength) -> sync_send_all_state_event(ConnectionPid, {prf, Secret, Label, Seed, WantedLength}). + +send_handshake(Handshake, #state{negotiated_version = Version, + socket = Socket, + transport_cb = Transport, + tls_handshake_history = Hist0, + connection_states = ConnectionStates0} = State0) -> + {BinHandshake, ConnectionStates, Hist} = + encode_handshake(Handshake, Version, ConnectionStates0, Hist0), + Transport:send(Socket, BinHandshake), + State0#state{connection_states = ConnectionStates, + tls_handshake_history = Hist + }. + +send_alert(Alert, #state{negotiated_version = Version, + socket = Socket, + transport_cb = Transport, + connection_states = ConnectionStates0} = State0) -> + {BinMsg, ConnectionStates} = + encode_alert(Alert, Version, ConnectionStates0), + Transport:send(Socket, BinMsg), + State0#state{connection_states = ConnectionStates}. + +send_change_cipher(Msg, #state{connection_states = ConnectionStates0, + socket = Socket, + negotiated_version = Version, + transport_cb = Transport} = State0) -> + {BinChangeCipher, ConnectionStates} = + encode_change_cipher(Msg, Version, ConnectionStates0), + Transport:send(Socket, BinChangeCipher), + State0#state{connection_states = ConnectionStates}. + %%==================================================================== %% ssl_connection_sup API %%==================================================================== @@ -297,7 +278,7 @@ start_link(Role, Host, Port, Socket, Options, User, CbInfo) -> init([Role, Host, Port, Socket, {SSLOpts0, _} = Options, User, CbInfo]) -> State0 = initial_state(Role, Host, Port, Socket, Options, User, CbInfo), - Handshake = tls_handshake:init_handshake_history(), + Handshake = ssl_handshake:init_handshake_history(), TimeStamp = calendar:datetime_to_gregorian_seconds({date(), time()}), try ssl_init(SSLOpts0, Role) of {ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, OwnCert, Key, DHParams} -> @@ -325,23 +306,18 @@ init([Role, Host, Port, Socket, {SSLOpts0, _} = Options, User, CbInfo]) -> %% same name as the current state name StateName is called to handle %% the event. It is also called if a timeout occurs. %% - -%%-------------------------------------------------------------------- --spec hello(start | #hello_request{} | #client_hello{} | #server_hello{} | term(), - #state{}) -> gen_fsm_state_return(). -%%-------------------------------------------------------------------- hello(start, #state{host = Host, port = Port, role = client, - ssl_options = SslOpts, - session = #session{own_certificate = Cert} = Session0, - session_cache = Cache, session_cache_cb = CacheCb, - transport_cb = Transport, socket = Socket, - connection_states = ConnectionStates0, - renegotiation = {Renegotiation, _}} = State0) -> + ssl_options = SslOpts, + session = #session{own_certificate = Cert} = Session0, + session_cache = Cache, session_cache_cb = CacheCb, + transport_cb = Transport, socket = Socket, + connection_states = ConnectionStates0, + renegotiation = {Renegotiation, _}} = State0) -> Hello = tls_handshake:client_hello(Host, Port, ConnectionStates0, SslOpts, Cache, CacheCb, Renegotiation, Cert), Version = Hello#client_hello.client_version, - Handshake0 = tls_handshake:init_handshake_history(), + Handshake0 = ssl_handshake:init_handshake_history(), {BinMsg, ConnectionStates, Handshake} = encode_handshake(Hello, Version, ConnectionStates0, Handshake0), Transport:send(Socket, BinMsg), @@ -353,14 +329,29 @@ hello(start, #state{host = Host, port = Port, role = client, {Record, State} = next_record(State1), next_state(hello, hello, Record, State); -hello(start, #state{role = server} = State0) -> - {Record, State} = next_record(State0), - next_state(hello, hello, Record, State); - -hello(#hello_request{}, #state{role = client} = State0) -> - {Record, State} = next_record(State0), - next_state(hello, hello, Record, State); - +hello(Hello = #client_hello{client_version = ClientVersion, + extensions = #hello_extensions{hash_signs = HashSigns}}, + State = #state{connection_states = ConnectionStates0, + port = Port, session = #session{own_certificate = Cert} = Session0, + renegotiation = {Renegotiation, _}, + session_cache = Cache, + session_cache_cb = CacheCb, + ssl_options = SslOpts}) -> + HashSign = ssl_handshake:select_hashsign(HashSigns, Cert), + case tls_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb, + ConnectionStates0, Cert}, Renegotiation) of + {Version, {Type, Session}, + ConnectionStates, + #hello_extensions{ec_point_formats = EcPointFormats, + elliptic_curves = EllipticCurves} = ServerHelloExt} -> + ssl_connection:hello({common_client_hello, Type, ServerHelloExt, HashSign}, + State#state{connection_states = ConnectionStates, + negotiated_version = Version, + session = Session, + client_ecc = {EllipticCurves, EcPointFormats}}, ?MODULE); + #alert{} = Alert -> + handle_own_alert(Alert, ClientVersion, hello, State) + end; hello(#server_hello{cipher_suite = CipherSuite, compression_method = Compression} = Hello, #state{session = #session{session_id = OldId}, @@ -397,446 +388,38 @@ hello(#server_hello{cipher_suite = CipherSuite, handle_new_session(NewId, CipherSuite, Compression, State#state{connection_states = ConnectionStates}); false -> - handle_resumed_session(NewId, State#state{connection_states = ConnectionStates}) + handle_resumed_session(NewId, + State#state{connection_states = ConnectionStates}) end end; -hello(Hello = #client_hello{client_version = ClientVersion, - extensions = #hello_extensions{hash_signs = HashSigns}}, - State = #state{connection_states = ConnectionStates0, - port = Port, - session = #session{own_certificate = Cert} = Session0, - renegotiation = {Renegotiation, _}, - session_cache = Cache, - session_cache_cb = CacheCb, - ssl_options = SslOpts}) -> - HashSign = ssl_handshake:select_hashsign(HashSigns, Cert), - case tls_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb, - ConnectionStates0, Cert}, Renegotiation) of - {Version, {Type, #session{cipher_suite = CipherSuite} = Session}, - ConnectionStates, ServerHelloExt} -> - {KeyAlg, _, _, _} = ssl_cipher:suite_definition(CipherSuite), - NegotiatedHashSign = negotiated_hashsign(HashSign, KeyAlg, Version), - do_server_hello(Type, ServerHelloExt, - State#state{connection_states = ConnectionStates, - negotiated_version = Version, - session = Session, - hashsign_algorithm = NegotiatedHashSign}); - #alert{} = Alert -> - handle_own_alert(Alert, ClientVersion, hello, State) - end; - -hello(timeout, State) -> - { next_state, hello, State, hibernate }; - hello(Msg, State) -> - handle_unexpected_message(Msg, hello, State). -%%-------------------------------------------------------------------- --spec abbreviated(#hello_request{} | #finished{} | term(), - #state{}) -> gen_fsm_state_return(). -%%-------------------------------------------------------------------- -abbreviated(#hello_request{}, State0) -> - {Record, State} = next_record(State0), - next_state(abbreviated, hello, Record, State); - -abbreviated(#finished{verify_data = Data} = Finished, - #state{role = server, - negotiated_version = Version, - tls_handshake_history = Handshake, - session = #session{master_secret = MasterSecret}, - connection_states = ConnectionStates0} = - State) -> - case ssl_handshake:verify_connection(Version, Finished, client, - get_current_connection_state_prf(ConnectionStates0, write), - MasterSecret, Handshake) of - verified -> - ConnectionStates = ssl_record:set_client_verify_data(current_both, Data, ConnectionStates0), - next_state_connection(abbreviated, - ack_connection(State#state{connection_states = ConnectionStates})); - #alert{} = Alert -> - handle_own_alert(Alert, Version, abbreviated, State) - end; - -abbreviated(#finished{verify_data = Data} = Finished, - #state{role = client, tls_handshake_history = Handshake0, - session = #session{master_secret = MasterSecret}, - negotiated_version = Version, - connection_states = ConnectionStates0} = State) -> - case ssl_handshake:verify_connection(Version, Finished, server, - get_pending_connection_state_prf(ConnectionStates0, write), - MasterSecret, Handshake0) of - verified -> - ConnectionStates1 = ssl_record:set_server_verify_data(current_read, Data, ConnectionStates0), - {ConnectionStates, Handshake} = - finalize_handshake(State#state{connection_states = ConnectionStates1}, abbreviated), - next_state_connection(abbreviated, - ack_connection(State#state{tls_handshake_history = Handshake, - connection_states = - ConnectionStates})); - #alert{} = Alert -> - handle_own_alert(Alert, Version, abbreviated, State) - end; - -%% only allowed to send next_protocol message after change cipher spec -%% & before finished message and it is not allowed during renegotiation -abbreviated(#next_protocol{selected_protocol = SelectedProtocol}, - #state{role = server, expecting_next_protocol_negotiation = true} = State0) -> - {Record, State} = next_record(State0#state{next_protocol = SelectedProtocol}), - next_state(abbreviated, abbreviated, Record, State); - -abbreviated(timeout, State) -> - { next_state, abbreviated, State, hibernate }; + ssl_connection:hello(Msg, State, ?MODULE). abbreviated(Msg, State) -> - handle_unexpected_message(Msg, abbreviated, State). - -%%-------------------------------------------------------------------- --spec certify(#hello_request{} | #certificate{} | #server_key_exchange{} | - #certificate_request{} | #server_hello_done{} | #client_key_exchange{} | term(), - #state{}) -> gen_fsm_state_return(). -%%-------------------------------------------------------------------- -certify(#hello_request{}, State0) -> - {Record, State} = next_record(State0), - next_state(certify, hello, Record, State); - -certify(#certificate{asn1_certificates = []}, - #state{role = server, negotiated_version = Version, - ssl_options = #ssl_options{verify = verify_peer, - fail_if_no_peer_cert = true}} = - State) -> - Alert = ?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE), - handle_own_alert(Alert, Version, certify, State); - -certify(#certificate{asn1_certificates = []}, - #state{role = server, - ssl_options = #ssl_options{verify = verify_peer, - fail_if_no_peer_cert = false}} = - State0) -> - {Record, State} = next_record(State0#state{client_certificate_requested = false}), - next_state(certify, certify, Record, State); - -certify(#certificate{} = Cert, - #state{negotiated_version = Version, - role = Role, - cert_db = CertDbHandle, - cert_db_ref = CertDbRef, - ssl_options = Opts} = State) -> - case ssl_handshake:certify(Cert, CertDbHandle, CertDbRef, Opts#ssl_options.depth, - Opts#ssl_options.verify, - Opts#ssl_options.verify_fun, Role) of - {PeerCert, PublicKeyInfo} -> - handle_peer_cert(Role, PeerCert, PublicKeyInfo, - State#state{client_certificate_requested = false}); - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State) - end; - -certify(#server_key_exchange{} = KeyExchangeMsg, - #state{role = client, negotiated_version = Version, - key_algorithm = Alg} = State0) - when Alg == dhe_dss; Alg == dhe_rsa; - Alg == ecdhe_rsa; Alg == ecdhe_ecdsa; - Alg == dh_anon; Alg == ecdh_anon; - Alg == psk; Alg == dhe_psk; Alg == rsa_psk; - Alg == srp_dss; Alg == srp_rsa; Alg == srp_anon -> - case handle_server_key(KeyExchangeMsg, State0) of - #state{} = State1 -> - {Record, State} = next_record(State1), - next_state(certify, certify, Record, State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State0) - end; - -certify(#server_key_exchange{} = Msg, - #state{role = client, key_algorithm = rsa} = State) -> - handle_unexpected_message(Msg, certify_server_keyexchange, State); - -certify(#certificate_request{hashsign_algorithms = HashSigns}, - #state{session = #session{own_certificate = Cert}} = State0) -> - HashSign = ssl_handshake:select_hashsign(HashSigns, Cert), - {Record, State} = next_record(State0#state{client_certificate_requested = true}), - next_state(certify, certify, Record, State#state{cert_hashsign_algorithm = HashSign}); - -%% PSK and RSA_PSK might bypass the Server-Key-Exchange -certify(#server_hello_done{}, - #state{session = #session{master_secret = undefined}, - negotiated_version = Version, - psk_identity = PSKIdentity, - premaster_secret = undefined, - role = client, - key_algorithm = Alg} = State0) - when Alg == psk -> - case server_psk_master_secret(PSKIdentity, State0) of - #state{} = State -> - client_certify_and_key_exchange(State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State0) - end; - -certify(#server_hello_done{}, - #state{session = #session{master_secret = undefined}, - ssl_options = SslOpts, - negotiated_version = Version, - psk_identity = PSKIdentity, - premaster_secret = undefined, - role = client, - key_algorithm = Alg} = State0) - when Alg == rsa_psk -> - case handle_psk_identity(PSKIdentity, SslOpts#ssl_options.user_lookup_fun) of - {ok, PSK} when is_binary(PSK) -> - PremasterSecret = make_premaster_secret(Version, rsa), - Len = byte_size(PSK), - RealPMS = <<?UINT16(48), PremasterSecret/binary, ?UINT16(Len), PSK/binary>>, - State1 = State0#state{premaster_secret = PremasterSecret}, - State = master_from_premaster_secret(RealPMS, State1), - client_certify_and_key_exchange(State); - #alert{} = Alert -> - Alert; - _ -> - ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER) - end; - -%% Master secret was determined with help of server-key exchange msg -certify(#server_hello_done{}, - #state{session = #session{master_secret = MasterSecret} = Session, - connection_states = ConnectionStates0, - negotiated_version = Version, - premaster_secret = undefined, - role = client} = State0) -> - case ssl_handshake:master_secret(tls_record, Version, Session, - ConnectionStates0, client) of - {MasterSecret, ConnectionStates} -> - State = State0#state{connection_states = ConnectionStates}, - client_certify_and_key_exchange(State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State0) - end; - -%% Master secret is calculated from premaster_secret -certify(#server_hello_done{}, - #state{session = Session0, - connection_states = ConnectionStates0, - negotiated_version = Version, - premaster_secret = PremasterSecret, - role = client} = State0) -> - case ssl_handshake:master_secret(tls_record, Version, PremasterSecret, - ConnectionStates0, client) of - {MasterSecret, ConnectionStates} -> - Session = Session0#session{master_secret = MasterSecret}, - State = State0#state{connection_states = ConnectionStates, - session = Session}, - client_certify_and_key_exchange(State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State0) - end; - -certify(#client_key_exchange{} = Msg, - #state{role = server, - client_certificate_requested = true, - ssl_options = #ssl_options{fail_if_no_peer_cert = true}} = State) -> - %% We expect a certificate here - handle_unexpected_message(Msg, certify_client_key_exchange, State); - -certify(#client_key_exchange{exchange_keys = Keys}, - State = #state{key_algorithm = KeyAlg, negotiated_version = Version}) -> - try - certify_client_key_exchange(ssl_handshake:decode_client_key(Keys, KeyAlg, Version), State) - catch - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State) - end; - - -certify(timeout, State) -> - { next_state, certify, State, hibernate }; + ssl_connection:abbreviated(Msg, State, ?MODULE). certify(Msg, State) -> - handle_unexpected_message(Msg, certify, State). - -certify_client_key_exchange(#encrypted_premaster_secret{premaster_secret= EncPMS}, - #state{negotiated_version = Version, - connection_states = ConnectionStates0, - session = Session0, - private_key = Key} = State0) -> - PremasterSecret = ssl_handshake:decrypt_premaster_secret(EncPMS, Key), - case ssl_handshake:master_secret(tls_record, Version, PremasterSecret, - ConnectionStates0, server) of - {MasterSecret, ConnectionStates} -> - Session = Session0#session{master_secret = MasterSecret}, - State1 = State0#state{connection_states = ConnectionStates, - session = Session}, - {Record, State} = next_record(State1), - next_state(certify, cipher, Record, State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State0) - end; - -certify_client_key_exchange(#client_diffie_hellman_public{dh_public = ClientPublicDhKey}, - #state{negotiated_version = Version, - diffie_hellman_params = #'DHParameter'{} = Params, - diffie_hellman_keys = {_, ServerDhPrivateKey}} = State0) -> - case dh_master_secret(Params, ClientPublicDhKey, ServerDhPrivateKey, State0) of - #state{} = State1 -> - {Record, State} = next_record(State1), - next_state(certify, cipher, Record, State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State0) - end; - -certify_client_key_exchange(#client_ec_diffie_hellman_public{dh_public = ClientPublicEcDhPoint}, - #state{negotiated_version = Version, - diffie_hellman_keys = ECDHKey} = State0) -> - case ec_dh_master_secret(ECDHKey, #'ECPoint'{point = ClientPublicEcDhPoint}, State0) of - #state{} = State1 -> - {Record, State} = next_record(State1), - next_state(certify, cipher, Record, State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State0) - end; - -certify_client_key_exchange(#client_psk_identity{identity = ClientPSKIdentity}, - #state{negotiated_version = Version} = State0) -> - case server_psk_master_secret(ClientPSKIdentity, State0) of - #state{} = State1 -> - {Record, State} = next_record(State1), - next_state(certify, cipher, Record, State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State0) - end; - -certify_client_key_exchange(#client_dhe_psk_identity{ - identity = ClientPSKIdentity, - dh_public = ClientPublicDhKey}, - #state{negotiated_version = Version, - diffie_hellman_params = #'DHParameter'{prime = P, - base = G}, - diffie_hellman_keys = {_, ServerDhPrivateKey}} = State0) -> - case dhe_psk_master_secret(ClientPSKIdentity, P, G, ClientPublicDhKey, ServerDhPrivateKey, State0) of - #state{} = State1 -> - {Record, State} = next_record(State1), - next_state(certify, cipher, Record, State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State0) - end; - -certify_client_key_exchange(#client_rsa_psk_identity{ - identity = PskIdentity, - exchange_keys = - #encrypted_premaster_secret{premaster_secret= EncPMS}}, - #state{negotiated_version = Version, - private_key = Key} = State0) -> - PremasterSecret = ssl_handshake:decrypt_premaster_secret(EncPMS, Key), - case server_rsa_psk_master_secret(PskIdentity, PremasterSecret, State0) of - #state{} = State1 -> - {Record, State} = next_record(State1), - next_state(certify, cipher, Record, State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State0) - end; - -certify_client_key_exchange(#client_srp_public{srp_a = ClientPublicKey}, - #state{negotiated_version = Version, - srp_params = - #srp_user{prime = Prime, - verifier = Verifier} - } = State0) -> - case server_srp_master_secret(Verifier, Prime, ClientPublicKey, State0) of - #state{} = State1 -> - {Record, State} = next_record(State1), - next_state(certify, cipher, Record, State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State0) - end. - -%%-------------------------------------------------------------------- --spec cipher(#hello_request{} | #certificate_verify{} | #finished{} | term(), - #state{}) -> gen_fsm_state_return(). -%%-------------------------------------------------------------------- -cipher(#hello_request{}, State0) -> - {Record, State} = next_record(State0), - next_state(cipher, hello, Record, State); - -cipher(#certificate_verify{signature = Signature, hashsign_algorithm = CertHashSign}, - #state{role = server, - public_key_info = {Algo, _, _} =PublicKeyInfo, - negotiated_version = Version, - session = #session{master_secret = MasterSecret}, - tls_handshake_history = Handshake - } = State0) -> - - HashSign = ssl_handshake:select_cert_hashsign(CertHashSign, Algo, Version), - case ssl_handshake:certificate_verify(Signature, PublicKeyInfo, - Version, HashSign, MasterSecret, Handshake) of - valid -> - {Record, State} = next_record(State0), - next_state(cipher, cipher, Record, State#state{cert_hashsign_algorithm = HashSign}); - #alert{} = Alert -> - handle_own_alert(Alert, Version, cipher, State0) - end; - -%% client must send a next protocol message if we are expecting it -cipher(#finished{}, #state{role = server, expecting_next_protocol_negotiation = true, - next_protocol = undefined, negotiated_version = Version} = State0) -> - handle_own_alert(?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE), Version, cipher, State0); - -cipher(#finished{verify_data = Data} = Finished, - #state{negotiated_version = Version, - host = Host, - port = Port, - role = Role, - session = #session{master_secret = MasterSecret} - = Session0, - connection_states = ConnectionStates0, - tls_handshake_history = Handshake0} = State) -> - case ssl_handshake:verify_connection(Version, Finished, - opposite_role(Role), - get_current_connection_state_prf(ConnectionStates0, read), - MasterSecret, Handshake0) of - verified -> - Session = register_session(Role, Host, Port, Session0), - cipher_role(Role, Data, Session, State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, cipher, State) - end; - -%% only allowed to send next_protocol message after change cipher spec -%% & before finished message and it is not allowed during renegotiation -cipher(#next_protocol{selected_protocol = SelectedProtocol}, - #state{role = server, expecting_next_protocol_negotiation = true} = State0) -> - {Record, State} = next_record(State0#state{next_protocol = SelectedProtocol}), - next_state(cipher, cipher, Record, State); - -cipher(timeout, State) -> - { next_state, cipher, State, hibernate }; + ssl_connection:certify(Msg, State, ?MODULE). cipher(Msg, State) -> - handle_unexpected_message(Msg, cipher, State). + ssl_connection:cipher(Msg, State, ?MODULE). -%%-------------------------------------------------------------------- --spec connection(#hello_request{} | #client_hello{} | term(), - #state{}) -> gen_fsm_state_return(). -%%-------------------------------------------------------------------- connection(#hello_request{}, #state{host = Host, port = Port, - socket = Socket, session = #session{own_certificate = Cert} = Session0, session_cache = Cache, session_cache_cb = CacheCb, ssl_options = SslOpts, - negotiated_version = Version, - transport_cb = Transport, connection_states = ConnectionStates0, - renegotiation = {Renegotiation, _}, - tls_handshake_history = Handshake0} = State0) -> + renegotiation = {Renegotiation, _}} = State0) -> Hello = tls_handshake:client_hello(Host, Port, ConnectionStates0, SslOpts, Cache, CacheCb, Renegotiation, Cert), - - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Hello, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - {Record, State} = next_record(State0#state{connection_states = - ConnectionStates, - session = Session0#session{session_id = Hello#client_hello.session_id}, - tls_handshake_history = Handshake}), + State1 = send_handshake(Hello, State0), + {Record, State} = + next_record( + State1#state{session = Session0#session{session_id + = Hello#client_hello.session_id}}), next_state(connection, hello, Record, State); + connection(#client_hello{} = Hello, #state{role = server, allow_renegotiate = true} = State) -> %% Mitigate Computational DoS attack %% http://www.educatedguesswork.org/2011/10/ssltls_and_computational_dos.html @@ -846,21 +429,13 @@ connection(#client_hello{} = Hello, #state{role = server, allow_renegotiate = tr erlang:send_after(?WAIT_TO_ALLOW_RENEGOTIATION, self(), allow_renegotiate), hello(Hello, State#state{allow_renegotiate = false}); -connection(#client_hello{}, #state{role = server, allow_renegotiate = false, - connection_states = ConnectionStates0, - socket = Socket, transport_cb = Transport, - negotiated_version = Version} = State0) -> +connection(#client_hello{}, #state{role = server, allow_renegotiate = false} = State0) -> Alert = ?ALERT_REC(?WARNING, ?NO_RENEGOTIATION), - {BinMsg, ConnectionStates} = - encode_alert(Alert, Version, ConnectionStates0), - Transport:send(Socket, BinMsg), - next_state_connection(connection, State0#state{connection_states = ConnectionStates}); + State = send_alert(Alert, State0), + next_state_connection(connection, State); -connection(timeout, State) -> - {next_state, connection, State, hibernate}; - connection(Msg, State) -> - handle_unexpected_message(Msg, connection, State). + ssl_connection:connection(Msg, State, tls_connection). %%-------------------------------------------------------------------- %% Description: Whenever a gen_fsm receives an event sent using @@ -1367,900 +942,20 @@ sync_send_all_state_event(FsmPid, Event) -> {error, closed} end. -handle_peer_cert(Role, PeerCert, PublicKeyInfo, - #state{session = #session{cipher_suite = CipherSuite} = Session} = State0) -> - State1 = State0#state{session = - Session#session{peer_certificate = PeerCert}, - public_key_info = PublicKeyInfo}, - {KeyAlg,_,_,_} = ssl_cipher:suite_definition(CipherSuite), - State2 = handle_peer_cert_key(Role, PeerCert, PublicKeyInfo, KeyAlg, State1), - - {Record, State} = next_record(State2), - next_state(certify, certify, Record, State). - -handle_peer_cert_key(client, _, - {?'id-ecPublicKey', #'ECPoint'{point = _ECPoint} = PublicKey, PublicKeyParams}, - KeyAlg, State) when KeyAlg == ecdh_rsa; - KeyAlg == ecdh_ecdsa -> - ECDHKey = public_key:generate_key(PublicKeyParams), - ec_dh_master_secret(ECDHKey, PublicKey, State#state{diffie_hellman_keys = ECDHKey}); - -%% We do currently not support cipher suites that use fixed DH. -%% If we want to implement that the following clause can be used -%% to extract DH parameters form cert. -%% handle_peer_cert_key(client, _PeerCert, {?dhpublicnumber, PublicKey, PublicKeyParams}, {_,SignAlg}, -%% #state{diffie_hellman_keys = {_, MyPrivatKey}} = State) when SignAlg == dh_rsa; -%% SignAlg == dh_dss -> -%% dh_master_secret(PublicKeyParams, PublicKey, MyPrivatKey, State); -handle_peer_cert_key(_, _, _, _, State) -> - State. - -certify_client(#state{client_certificate_requested = true, role = client, - connection_states = ConnectionStates0, - transport_cb = Transport, - negotiated_version = Version, - cert_db = CertDbHandle, - cert_db_ref = CertDbRef, - session = #session{own_certificate = OwnCert}, - socket = Socket, - tls_handshake_history = Handshake0} = State) -> - Certificate = ssl_handshake:certificate(OwnCert, CertDbHandle, CertDbRef, client), - {BinCert, ConnectionStates, Handshake} = - encode_handshake(Certificate, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinCert), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}; -certify_client(#state{client_certificate_requested = false} = State) -> - State. -verify_client_cert(#state{client_certificate_requested = true, role = client, - connection_states = ConnectionStates0, - transport_cb = Transport, - negotiated_version = Version, - socket = Socket, - private_key = PrivateKey, - session = #session{master_secret = MasterSecret, - own_certificate = OwnCert}, - cert_hashsign_algorithm = HashSign, - tls_handshake_history = Handshake0} = State) -> - - case ssl_handshake:client_certificate_verify(OwnCert, MasterSecret, - Version, HashSign, PrivateKey, Handshake0) of - #certificate_verify{} = Verified -> - {BinVerified, ConnectionStates, Handshake} = - encode_handshake(Verified, Version, - ConnectionStates0, Handshake0), - Transport:send(Socket, BinVerified), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}; - ignore -> - State; - #alert{} = Alert -> - throw(Alert) - end; -verify_client_cert(#state{client_certificate_requested = false} = State) -> - State. - -do_server_hello(Type, #hello_extensions{next_protocol_negotiation = NextProtocols} = ServerHelloExt, - #state{negotiated_version = Version, - session = #session{session_id = SessId}, - connection_states = ConnectionStates0} - = State0) when is_atom(Type) -> - - ServerHello = - tls_handshake:server_hello(SessId, Version, ConnectionStates0, ServerHelloExt), - State = server_hello(ServerHello, - State0#state{expecting_next_protocol_negotiation = - NextProtocols =/= undefined}), - case Type of - new -> - new_server_hello(ServerHello, State); - resumed -> - resumed_server_hello(State) - end. - -new_server_hello(#server_hello{cipher_suite = CipherSuite, - compression_method = Compression, - session_id = SessionId}, - #state{session = Session0, - negotiated_version = Version} = State0) -> - try server_certify_and_key_exchange(State0) of - #state{} = State1 -> - State2 = server_hello_done(State1), - Session = - Session0#session{session_id = SessionId, - cipher_suite = CipherSuite, - compression_method = Compression}, - {Record, State} = next_record(State2#state{session = Session}), - next_state(hello, certify, Record, State) - catch - #alert{} = Alert -> - handle_own_alert(Alert, Version, hello, State0) - end. - -resumed_server_hello(#state{session = Session, - connection_states = ConnectionStates0, - negotiated_version = Version} = State0) -> - - case ssl_handshake:master_secret(tls_record, Version, Session, - ConnectionStates0, server) of - {_, ConnectionStates1} -> - State1 = State0#state{connection_states = ConnectionStates1, - session = Session}, - {ConnectionStates, Handshake} = - finalize_handshake(State1, abbreviated), - State2 = State1#state{connection_states = - ConnectionStates, - tls_handshake_history = Handshake}, - {Record, State} = next_record(State2), - next_state(hello, abbreviated, Record, State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, hello, State0) - end. - -handle_new_session(NewId, CipherSuite, Compression, #state{session = Session0} = State0) -> - Session = Session0#session{session_id = NewId, - cipher_suite = CipherSuite, - compression_method = Compression}, - {Record, State} = next_record(State0#state{session = Session}), - next_state(hello, certify, Record, State). - -handle_resumed_session(SessId, #state{connection_states = ConnectionStates0, - negotiated_version = Version, - host = Host, port = Port, - session_cache = Cache, - session_cache_cb = CacheCb} = State0) -> - Session = CacheCb:lookup(Cache, {{Host, Port}, SessId}), - case ssl_handshake:master_secret(tls_record, Version, Session, - ConnectionStates0, client) of - {_, ConnectionStates} -> - {Record, State} = - next_record(State0#state{ - connection_states = ConnectionStates, - session = Session}), - next_state(hello, abbreviated, Record, State); - #alert{} = Alert -> - handle_own_alert(Alert, Version, hello, State0) - end. - - -client_certify_and_key_exchange(#state{negotiated_version = Version} = - State0) -> - try do_client_certify_and_key_exchange(State0) of - State1 = #state{} -> - {ConnectionStates, Handshake} = finalize_handshake(State1, certify), - State2 = State1#state{connection_states = ConnectionStates, - %% Reinitialize - client_certificate_requested = false, - tls_handshake_history = Handshake}, - {Record, State} = next_record(State2), - next_state(certify, cipher, Record, State) - catch - throw:#alert{} = Alert -> - handle_own_alert(Alert, Version, certify, State0) - end. - -do_client_certify_and_key_exchange(State0) -> - State1 = certify_client(State0), - State2 = key_exchange(State1), - verify_client_cert(State2). - -server_certify_and_key_exchange(State0) -> - State1 = certify_server(State0), - State2 = key_exchange(State1), - request_client_cert(State2). - -server_hello(ServerHello, #state{transport_cb = Transport, - socket = Socket, - negotiated_version = Version, - connection_states = ConnectionStates0, - tls_handshake_history = Handshake0} = State) -> - CipherSuite = ServerHello#server_hello.cipher_suite, - {KeyAlgorithm, _, _, _} = ssl_cipher:suite_definition(CipherSuite), - {BinMsg, ConnectionStates1, Handshake1} = - encode_handshake(ServerHello, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates1, - tls_handshake_history = Handshake1, - key_algorithm = KeyAlgorithm}. - -server_hello_done(#state{transport_cb = Transport, - socket = Socket, - negotiated_version = Version, - connection_states = ConnectionStates0, - tls_handshake_history = Handshake0} = State) -> - - HelloDone = ssl_handshake:server_hello_done(), - - {BinHelloDone, ConnectionStates, Handshake} = - encode_handshake(HelloDone, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinHelloDone), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}. - -certify_server(#state{key_algorithm = Algo} = State) - when Algo == dh_anon; Algo == ecdh_anon; Algo == psk; Algo == dhe_psk; Algo == srp_anon -> - State; - -certify_server(#state{transport_cb = Transport, - socket = Socket, - negotiated_version = Version, - connection_states = ConnectionStates0, - tls_handshake_history = Handshake0, - cert_db = CertDbHandle, - cert_db_ref = CertDbRef, - session = #session{own_certificate = OwnCert}} = State) -> - case ssl_handshake:certificate(OwnCert, CertDbHandle, CertDbRef, server) of - CertMsg = #certificate{} -> - {BinCertMsg, ConnectionStates, Handshake} = - encode_handshake(CertMsg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinCertMsg), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake - }; - Alert = #alert{} -> - throw(Alert) - end. - -key_exchange(#state{role = server, key_algorithm = rsa} = State) -> - State; -key_exchange(#state{role = server, key_algorithm = Algo, - hashsign_algorithm = HashSignAlgo, - diffie_hellman_params = #'DHParameter'{} = Params, - private_key = PrivateKey, - connection_states = ConnectionStates0, - negotiated_version = Version, - tls_handshake_history = Handshake0, - socket = Socket, - transport_cb = Transport - } = State) - when Algo == dhe_dss; - Algo == dhe_rsa; - Algo == dh_anon -> - DHKeys = public_key:generate_key(Params), - ConnectionState = - ssl_record:pending_connection_state(ConnectionStates0, read), - SecParams = ConnectionState#connection_state.security_parameters, - #security_parameters{client_random = ClientRandom, - server_random = ServerRandom} = SecParams, - Msg = ssl_handshake:key_exchange(server, Version, {dh, DHKeys, Params, - HashSignAlgo, ClientRandom, - ServerRandom, - PrivateKey}), - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - diffie_hellman_keys = DHKeys, - tls_handshake_history = Handshake}; - -key_exchange(#state{role = server, private_key = Key, key_algorithm = Algo} = State) - when Algo == ecdh_ecdsa; Algo == ecdh_rsa -> - State#state{diffie_hellman_keys = Key}; -key_exchange(#state{role = server, key_algorithm = Algo, - hashsign_algorithm = HashSignAlgo, - private_key = PrivateKey, - connection_states = ConnectionStates0, - negotiated_version = Version, - tls_handshake_history = Handshake0, - socket = Socket, - transport_cb = Transport, - session = #session{ecc = Curve} - } = State) - when Algo == ecdhe_ecdsa; Algo == ecdhe_rsa; - Algo == ecdh_anon -> - - ECDHKeys = public_key:generate_key(Curve), - ConnectionState = - ssl_record:pending_connection_state(ConnectionStates0, read), - SecParams = ConnectionState#connection_state.security_parameters, - #security_parameters{client_random = ClientRandom, - server_random = ServerRandom} = SecParams, - Msg = ssl_handshake:key_exchange(server, Version, {ecdh, ECDHKeys, - HashSignAlgo, ClientRandom, - ServerRandom, - PrivateKey}), - {BinMsg, ConnectionStates, Handshake1} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - diffie_hellman_keys = ECDHKeys, - tls_handshake_history = Handshake1}; - -key_exchange(#state{role = server, key_algorithm = psk, - ssl_options = #ssl_options{psk_identity = undefined}} = State) -> - State; -key_exchange(#state{role = server, key_algorithm = psk, - ssl_options = #ssl_options{psk_identity = PskIdentityHint}, - hashsign_algorithm = HashSignAlgo, - private_key = PrivateKey, - connection_states = ConnectionStates0, - negotiated_version = Version, - tls_handshake_history = Handshake0, - socket = Socket, - transport_cb = Transport - } = State) -> - ConnectionState = - ssl_record:pending_connection_state(ConnectionStates0, read), - SecParams = ConnectionState#connection_state.security_parameters, - #security_parameters{client_random = ClientRandom, - server_random = ServerRandom} = SecParams, - Msg = ssl_handshake:key_exchange(server, Version, {psk, PskIdentityHint, - HashSignAlgo, ClientRandom, - ServerRandom, - PrivateKey}), - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}; - -key_exchange(#state{role = server, key_algorithm = dhe_psk, - ssl_options = #ssl_options{psk_identity = PskIdentityHint}, - hashsign_algorithm = HashSignAlgo, - diffie_hellman_params = #'DHParameter'{} = Params, - private_key = PrivateKey, - connection_states = ConnectionStates0, - negotiated_version = Version, - tls_handshake_history = Handshake0, - socket = Socket, - transport_cb = Transport - } = State) -> - DHKeys = public_key:generate_key(Params), - ConnectionState = - ssl_record:pending_connection_state(ConnectionStates0, read), - SecParams = ConnectionState#connection_state.security_parameters, - #security_parameters{client_random = ClientRandom, - server_random = ServerRandom} = SecParams, - Msg = ssl_handshake:key_exchange(server, Version, {dhe_psk, PskIdentityHint, DHKeys, Params, - HashSignAlgo, ClientRandom, - ServerRandom, - PrivateKey}), - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - diffie_hellman_keys = DHKeys, - tls_handshake_history = Handshake}; - -key_exchange(#state{role = server, key_algorithm = rsa_psk, - ssl_options = #ssl_options{psk_identity = undefined}} = State) -> - State; -key_exchange(#state{role = server, key_algorithm = rsa_psk, - ssl_options = #ssl_options{psk_identity = PskIdentityHint}, - hashsign_algorithm = HashSignAlgo, - private_key = PrivateKey, - connection_states = ConnectionStates0, - negotiated_version = Version, - tls_handshake_history = Handshake0, - socket = Socket, - transport_cb = Transport - } = State) -> - ConnectionState = - ssl_record:pending_connection_state(ConnectionStates0, read), - SecParams = ConnectionState#connection_state.security_parameters, - #security_parameters{client_random = ClientRandom, - server_random = ServerRandom} = SecParams, - Msg = ssl_handshake:key_exchange(server, Version, {psk, PskIdentityHint, - HashSignAlgo, ClientRandom, - ServerRandom, - PrivateKey}), - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}; - -key_exchange(#state{role = server, key_algorithm = Algo, - ssl_options = #ssl_options{user_lookup_fun = LookupFun}, - hashsign_algorithm = HashSignAlgo, - session = #session{srp_username = Username}, - private_key = PrivateKey, - connection_states = ConnectionStates0, - negotiated_version = Version, - tls_handshake_history = Handshake0, - socket = Socket, - transport_cb = Transport - } = State) - when Algo == srp_dss; - Algo == srp_rsa; - Algo == srp_anon -> - SrpParams = handle_srp_identity(Username, LookupFun), - Keys = case generate_srp_server_keys(SrpParams, 0) of - Alert = #alert{} -> - throw(Alert); - Keys0 = {_,_} -> - Keys0 - end, - ConnectionState = - ssl_record:pending_connection_state(ConnectionStates0, read), - SecParams = ConnectionState#connection_state.security_parameters, - #security_parameters{client_random = ClientRandom, - server_random = ServerRandom} = SecParams, - Msg = ssl_handshake:key_exchange(server, Version, {srp, Keys, SrpParams, - HashSignAlgo, ClientRandom, - ServerRandom, - PrivateKey}), - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - srp_params = SrpParams, - srp_keys = Keys, - tls_handshake_history = Handshake}; - -key_exchange(#state{role = client, - connection_states = ConnectionStates0, - key_algorithm = rsa, - public_key_info = PublicKeyInfo, - negotiated_version = Version, - premaster_secret = PremasterSecret, - socket = Socket, transport_cb = Transport, - tls_handshake_history = Handshake0} = State) -> - Msg = rsa_key_exchange(Version, PremasterSecret, PublicKeyInfo), - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}; -key_exchange(#state{role = client, - connection_states = ConnectionStates0, - key_algorithm = Algorithm, - negotiated_version = Version, - diffie_hellman_keys = {DhPubKey, _}, - socket = Socket, transport_cb = Transport, - tls_handshake_history = Handshake0} = State) - when Algorithm == dhe_dss; - Algorithm == dhe_rsa; - Algorithm == dh_anon -> - Msg = ssl_handshake:key_exchange(client, Version, {dh, DhPubKey}), - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}; - -key_exchange(#state{role = client, - connection_states = ConnectionStates0, - key_algorithm = Algorithm, - negotiated_version = Version, - diffie_hellman_keys = Keys, - socket = Socket, transport_cb = Transport, - tls_handshake_history = Handshake0} = State) - when Algorithm == ecdhe_ecdsa; Algorithm == ecdhe_rsa; - Algorithm == ecdh_ecdsa; Algorithm == ecdh_rsa; - Algorithm == ecdh_anon -> - Msg = ssl_handshake:key_exchange(client, Version, {ecdh, Keys}), - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}; - -key_exchange(#state{role = client, - ssl_options = SslOpts, - connection_states = ConnectionStates0, - key_algorithm = psk, - negotiated_version = Version, - socket = Socket, transport_cb = Transport, - tls_handshake_history = Handshake0} = State) -> - Msg = ssl_handshake:key_exchange(client, Version, {psk, SslOpts#ssl_options.psk_identity}), - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}; - -key_exchange(#state{role = client, - ssl_options = SslOpts, - connection_states = ConnectionStates0, - key_algorithm = dhe_psk, - negotiated_version = Version, - diffie_hellman_keys = {DhPubKey, _}, - socket = Socket, transport_cb = Transport, - tls_handshake_history = Handshake0} = State) -> - Msg = ssl_handshake:key_exchange(client, Version, {dhe_psk, SslOpts#ssl_options.psk_identity, DhPubKey}), - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}; - -key_exchange(#state{role = client, - ssl_options = SslOpts, - connection_states = ConnectionStates0, - key_algorithm = rsa_psk, - public_key_info = PublicKeyInfo, - negotiated_version = Version, - premaster_secret = PremasterSecret, - socket = Socket, transport_cb = Transport, - tls_handshake_history = Handshake0} = State) -> - Msg = rsa_psk_key_exchange(Version, SslOpts#ssl_options.psk_identity, PremasterSecret, PublicKeyInfo), - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}; - -key_exchange(#state{role = client, - connection_states = ConnectionStates0, - key_algorithm = Algorithm, - negotiated_version = Version, - srp_keys = {ClientPubKey, _}, - socket = Socket, transport_cb = Transport, - tls_handshake_history = Handshake0} = State) - when Algorithm == srp_dss; - Algorithm == srp_rsa; - Algorithm == srp_anon -> - Msg = ssl_handshake:key_exchange(client, Version, {srp, ClientPubKey}), - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}. - -rsa_key_exchange(Version, PremasterSecret, PublicKeyInfo = {Algorithm, _, _}) - when Algorithm == ?rsaEncryption; - Algorithm == ?md2WithRSAEncryption; - Algorithm == ?md5WithRSAEncryption; - Algorithm == ?sha1WithRSAEncryption; - Algorithm == ?sha224WithRSAEncryption; - Algorithm == ?sha256WithRSAEncryption; - Algorithm == ?sha384WithRSAEncryption; - Algorithm == ?sha512WithRSAEncryption - -> - ssl_handshake:key_exchange(client, Version, - {premaster_secret, PremasterSecret, - PublicKeyInfo}); -rsa_key_exchange(_, _, _) -> - throw (?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE)). - -rsa_psk_key_exchange(Version, PskIdentity, PremasterSecret, PublicKeyInfo = {Algorithm, _, _}) - when Algorithm == ?rsaEncryption; - Algorithm == ?md2WithRSAEncryption; - Algorithm == ?md5WithRSAEncryption; - Algorithm == ?sha1WithRSAEncryption; - Algorithm == ?sha224WithRSAEncryption; - Algorithm == ?sha256WithRSAEncryption; - Algorithm == ?sha384WithRSAEncryption; - Algorithm == ?sha512WithRSAEncryption - -> - ssl_handshake:key_exchange(client, Version, - {psk_premaster_secret, PskIdentity, PremasterSecret, - PublicKeyInfo}); -rsa_psk_key_exchange(_, _, _, _) -> - throw (?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE)). - -request_client_cert(#state{ssl_options = #ssl_options{verify = verify_peer}, - connection_states = ConnectionStates0, - cert_db = CertDbHandle, - cert_db_ref = CertDbRef, - tls_handshake_history = Handshake0, - negotiated_version = Version, - socket = Socket, - transport_cb = Transport} = State) -> - #connection_state{security_parameters = - #security_parameters{cipher_suite = CipherSuite}} = - ssl_record:pending_connection_state(ConnectionStates0, read), - Msg = ssl_handshake:certificate_request(CipherSuite, CertDbHandle, CertDbRef, Version), - - {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Msg, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{client_certificate_requested = true, - connection_states = ConnectionStates, - tls_handshake_history = Handshake}; -request_client_cert(#state{ssl_options = #ssl_options{verify = verify_none}} = - State) -> - State. - -finalize_handshake(State, StateName) -> - ConnectionStates0 = cipher_protocol(State), - - ConnectionStates = - ssl_record:activate_pending_connection_state(ConnectionStates0, - write), - - State1 = State#state{connection_states = ConnectionStates}, - State2 = next_protocol(State1), - finished(State2, StateName). - -next_protocol(#state{role = server} = State) -> - State; -next_protocol(#state{next_protocol = undefined} = State) -> - State; -next_protocol(#state{expecting_next_protocol_negotiation = false} = State) -> - State; -next_protocol(#state{transport_cb = Transport, socket = Socket, - negotiated_version = Version, - next_protocol = NextProtocol, - connection_states = ConnectionStates0, - tls_handshake_history = Handshake0} = State) -> - NextProtocolMessage = ssl_handshake:next_protocol(NextProtocol), - {BinMsg, ConnectionStates, Handshake} = encode_handshake(NextProtocolMessage, Version, ConnectionStates0, Handshake0), - Transport:send(Socket, BinMsg), - State#state{connection_states = ConnectionStates, - tls_handshake_history = Handshake}. - -cipher_protocol(#state{connection_states = ConnectionStates0, - socket = Socket, - negotiated_version = Version, - transport_cb = Transport}) -> - {BinChangeCipher, ConnectionStates} = - encode_change_cipher(#change_cipher_spec{}, - Version, ConnectionStates0), - Transport:send(Socket, BinChangeCipher), - ConnectionStates. - -finished(#state{role = Role, socket = Socket, negotiated_version = Version, - transport_cb = Transport, - session = Session, - connection_states = ConnectionStates0, - tls_handshake_history = Handshake0}, StateName) -> - MasterSecret = Session#session.master_secret, - Finished = ssl_handshake:finished(Version, Role, - get_current_connection_state_prf(ConnectionStates0, write), - MasterSecret, Handshake0), - ConnectionStates1 = save_verify_data(Role, Finished, ConnectionStates0, StateName), - {BinFinished, ConnectionStates, Handshake} = - encode_handshake(Finished, Version, ConnectionStates1, Handshake0), - Transport:send(Socket, BinFinished), - {ConnectionStates, Handshake}. - -save_verify_data(client, #finished{verify_data = Data}, ConnectionStates, certify) -> - ssl_record:set_client_verify_data(current_write, Data, ConnectionStates); -save_verify_data(server, #finished{verify_data = Data}, ConnectionStates, cipher) -> - ssl_record:set_server_verify_data(current_both, Data, ConnectionStates); -save_verify_data(client, #finished{verify_data = Data}, ConnectionStates, abbreviated) -> - ssl_record:set_client_verify_data(current_both, Data, ConnectionStates); -save_verify_data(server, #finished{verify_data = Data}, ConnectionStates, abbreviated) -> - ssl_record:set_server_verify_data(current_write, Data, ConnectionStates). - -handle_server_key(#server_key_exchange{exchange_keys = Keys}, - #state{key_algorithm = KeyAlg, - negotiated_version = Version} = State) -> - - Params = ssl_handshake:decode_server_key(Keys, KeyAlg, Version), - HashSign = negotiated_hashsign(Params#server_key_params.hashsign, KeyAlg, Version), - case is_anonymous(KeyAlg) of - true -> - server_master_secret(Params#server_key_params.params, - State#state{hashsign_algorithm = HashSign}); - false -> - verify_server_key(Params, HashSign, State#state{hashsign_algorithm = HashSign}) - end. - -verify_server_key(#server_key_params{params = Params, - params_bin = EncParams, - signature = Signature}, - HashSign = {HashAlgo, _}, - #state{negotiated_version = Version, - public_key_info = PubKeyInfo, - connection_states = ConnectionStates} = State) -> - ConnectionState = - ssl_record:pending_connection_state(ConnectionStates, read), - SecParams = ConnectionState#connection_state.security_parameters, - #security_parameters{client_random = ClientRandom, - server_random = ServerRandom} = SecParams, - Hash = ssl_handshake:server_key_exchange_hash(HashAlgo, - <<ClientRandom/binary, - ServerRandom/binary, - EncParams/binary>>), - case ssl_handshake:verify_signature(Version, Hash, HashSign, Signature, PubKeyInfo) of - true -> - server_master_secret(Params, State); - false -> - ?ALERT_REC(?FATAL, ?DECRYPT_ERROR) - end. - -server_master_secret(#server_dh_params{dh_p = P, dh_g = G, dh_y = ServerPublicDhKey}, - State) -> - dh_master_secret(P, G, ServerPublicDhKey, undefined, State); - -server_master_secret(#server_ecdh_params{curve = ECCurve, public = ECServerPubKey}, - State) -> - ECDHKeys = public_key:generate_key(ECCurve), - ec_dh_master_secret(ECDHKeys, #'ECPoint'{point = ECServerPubKey}, State#state{diffie_hellman_keys = ECDHKeys}); - -server_master_secret(#server_psk_params{ - hint = IdentityHint}, - State) -> - %% store for later use - State#state{psk_identity = IdentityHint}; - -server_master_secret(#server_dhe_psk_params{ - hint = IdentityHint, - dh_params = #server_dh_params{dh_p = P, dh_g = G, dh_y = ServerPublicDhKey}}, - State) -> - dhe_psk_master_secret(IdentityHint, P, G, ServerPublicDhKey, undefined, State); - -server_master_secret(#server_srp_params{srp_n = N, srp_g = G, srp_s = S, srp_b = B}, - State) -> - client_srp_master_secret(G, N, S, B, undefined, State). - -master_from_premaster_secret(PremasterSecret, - #state{session = Session, - negotiated_version = Version, role = Role, - connection_states = ConnectionStates0} = State) -> - case ssl_handshake:master_secret(tls_record, Version, PremasterSecret, - ConnectionStates0, Role) of - {MasterSecret, ConnectionStates} -> - State#state{ - session = - Session#session{master_secret = MasterSecret}, - connection_states = ConnectionStates}; - #alert{} = Alert -> - Alert - end. - -dh_master_secret(#'DHParameter'{} = Params, OtherPublicDhKey, MyPrivateKey, State) -> - PremasterSecret = - public_key:compute_key(OtherPublicDhKey, MyPrivateKey, Params), - master_from_premaster_secret(PremasterSecret, State). - -dh_master_secret(Prime, Base, PublicDhKey, undefined, State) -> - Keys = {_, PrivateDhKey} = crypto:generate_key(dh, [Prime, Base]), - dh_master_secret(Prime, Base, PublicDhKey, PrivateDhKey, State#state{diffie_hellman_keys = Keys}); - -dh_master_secret(Prime, Base, PublicDhKey, PrivateDhKey, State) -> - PremasterSecret = - crypto:compute_key(dh, PublicDhKey, PrivateDhKey, [Prime, Base]), - master_from_premaster_secret(PremasterSecret, State). - -ec_dh_master_secret(ECDHKeys, ECPoint, State) -> - PremasterSecret = - public_key:compute_key(ECPoint, ECDHKeys), - master_from_premaster_secret(PremasterSecret, State). - -handle_psk_identity(_PSKIdentity, LookupFun) - when LookupFun == undefined -> - error; -handle_psk_identity(PSKIdentity, {Fun, UserState}) -> - Fun(psk, PSKIdentity, UserState). - -server_psk_master_secret(ClientPSKIdentity, - #state{ssl_options = SslOpts} = State) -> - case handle_psk_identity(ClientPSKIdentity, SslOpts#ssl_options.user_lookup_fun) of - {ok, PSK} when is_binary(PSK) -> - Len = byte_size(PSK), - PremasterSecret = <<?UINT16(Len), 0:(Len*8), ?UINT16(Len), PSK/binary>>, - master_from_premaster_secret(PremasterSecret, State); - #alert{} = Alert -> - Alert; - _ -> - ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER) - end. - -dhe_psk_master_secret(PSKIdentity, Prime, Base, PublicDhKey, undefined, State) -> - Keys = {_, PrivateDhKey} = - crypto:generate_key(dh, [Prime, Base]), - dhe_psk_master_secret(PSKIdentity, Prime, Base, PublicDhKey, PrivateDhKey, - State#state{diffie_hellman_keys = Keys}); - -dhe_psk_master_secret(PSKIdentity, Prime, Base, PublicDhKey, PrivateDhKey, - #state{ssl_options = SslOpts} = State) -> - case handle_psk_identity(PSKIdentity, SslOpts#ssl_options.user_lookup_fun) of - {ok, PSK} when is_binary(PSK) -> - DHSecret = - crypto:compute_key(dh, PublicDhKey, PrivateDhKey, - [Prime, Base]), - DHLen = erlang:byte_size(DHSecret), - Len = erlang:byte_size(PSK), - PremasterSecret = <<?UINT16(DHLen), DHSecret/binary, ?UINT16(Len), PSK/binary>>, - master_from_premaster_secret(PremasterSecret, State); - #alert{} = Alert -> - Alert; - _ -> - ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER) - end. - -server_rsa_psk_master_secret(PskIdentity, PremasterSecret, - #state{ssl_options = SslOpts} = State) -> - case handle_psk_identity(PskIdentity, SslOpts#ssl_options.user_lookup_fun) of - {ok, PSK} when is_binary(PSK) -> - Len = byte_size(PSK), - RealPMS = <<?UINT16(48), PremasterSecret/binary, ?UINT16(Len), PSK/binary>>, - master_from_premaster_secret(RealPMS, State); - #alert{} = Alert -> - Alert; - _ -> - ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER) - end. - -generate_srp_server_keys(_SrpParams, 10) -> - ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER); -generate_srp_server_keys(SrpParams = - #srp_user{generator = Generator, prime = Prime, - verifier = Verifier}, N) -> - case crypto:generate_key(srp, {host, [Verifier, Generator, Prime, '6a']}) of - error -> - generate_srp_server_keys(SrpParams, N+1); - Keys -> - Keys - end. - -generate_srp_client_keys(_Generator, _Prime, 10) -> - ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER); -generate_srp_client_keys(Generator, Prime, N) -> - - case crypto:generate_key(srp, {user, [Generator, Prime, '6a']}) of - error -> - generate_srp_client_keys(Generator, Prime, N+1); - Keys -> - Keys - end. - -handle_srp_identity(Username, {Fun, UserState}) -> - case Fun(srp, Username, UserState) of - {ok, {SRPParams, Salt, DerivedKey}} - when is_atom(SRPParams), is_binary(Salt), is_binary(DerivedKey) -> - {Generator, Prime} = ssl_srp_primes:get_srp_params(SRPParams), - Verifier = crypto:mod_pow(Generator, DerivedKey, Prime), - #srp_user{generator = Generator, prime = Prime, - salt = Salt, verifier = Verifier}; - #alert{} = Alert -> - throw(Alert); - _ -> - throw(?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER)) - end. - -server_srp_master_secret(Verifier, Prime, ClientPub, State = #state{srp_keys = ServerKeys}) -> - case crypto:compute_key(srp, ClientPub, ServerKeys, {host, [Verifier, Prime, '6a']}) of - error -> - ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER); - PremasterSecret -> - master_from_premaster_secret(PremasterSecret, State) - end. - -client_srp_master_secret(_Generator, _Prime, _Salt, _ServerPub, #alert{} = Alert, _State) -> - Alert; -client_srp_master_secret(Generator, Prime, Salt, ServerPub, undefined, State) -> - Keys = generate_srp_client_keys(Generator, Prime, 0), - client_srp_master_secret(Generator, Prime, Salt, ServerPub, Keys, State#state{srp_keys = Keys}); - -client_srp_master_secret(Generator, Prime, Salt, ServerPub, ClientKeys, - #state{ssl_options = SslOpts} = State) -> - case ssl_srp_primes:check_srp_params(Generator, Prime) of - ok -> - {Username, Password} = SslOpts#ssl_options.srp_identity, - DerivedKey = crypto:hash(sha, [Salt, crypto:hash(sha, [Username, <<$:>>, Password])]), - case crypto:compute_key(srp, ServerPub, ClientKeys, {user, [DerivedKey, Prime, Generator, '6a']}) of - error -> - ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER); - PremasterSecret -> - master_from_premaster_secret(PremasterSecret, State) - end; - _ -> - ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER) - end. +encode_handshake(Handshake, Version, ConnectionStates0, Hist0) -> + Frag = tls_handshake:encode_handshake(Handshake, Version), + Hist = ssl_handshake:update_handshake_history(Hist0, Frag), + {Encoded, ConnectionStates} = + ssl_record:encode_handshake(Frag, Version, ConnectionStates0), + {Encoded, ConnectionStates, Hist}. -cipher_role(client, Data, Session, #state{connection_states = ConnectionStates0} = State) -> - ConnectionStates = ssl_record:set_server_verify_data(current_both, Data, ConnectionStates0), - next_state_connection(cipher, ack_connection(State#state{session = Session, - connection_states = ConnectionStates})); - -cipher_role(server, Data, Session, #state{connection_states = ConnectionStates0} = State) -> - ConnectionStates1 = ssl_record:set_client_verify_data(current_read, Data, ConnectionStates0), - {ConnectionStates, Handshake} = - finalize_handshake(State#state{connection_states = ConnectionStates1, - session = Session}, cipher), - next_state_connection(cipher, ack_connection(State#state{connection_states = - ConnectionStates, - session = Session, - tls_handshake_history = - Handshake})). encode_alert(#alert{} = Alert, Version, ConnectionStates) -> ssl_record:encode_alert_record(Alert, Version, ConnectionStates). encode_change_cipher(#change_cipher_spec{}, Version, ConnectionStates) -> ssl_record:encode_change_cipher_spec(Version, ConnectionStates). -encode_handshake(HandshakeRec, Version, ConnectionStates0, Handshake0) -> - Frag = tls_handshake:encode_handshake(HandshakeRec, Version), - Handshake1 = tls_handshake:update_handshake_history(Handshake0, Frag), - {E, ConnectionStates1} = - ssl_record:encode_handshake(Frag, Version, ConnectionStates0), - {E, ConnectionStates1, Handshake1}. encode_packet(Data, #socket_options{packet=Packet}) -> case Packet of @@ -2485,20 +1180,25 @@ send_or_reply(false, no_pid, _, _) -> send_or_reply(_, Pid, _From, Data) -> send_user(Pid, Data). -opposite_role(client) -> - server; -opposite_role(server) -> - client. + send_user(Pid, Msg) -> Pid ! Msg. -handle_tls_handshake(Handle, StateName, #state{tls_packets = [Packet]} = State) -> - FsmReturn = {next_state, StateName, State#state{tls_packets = []}}, +handle_tls_handshake(Handle, StateName, + #state{protocol_buffers = + #protocol_buffers{tls_packets = [Packet]} = Buffers} = State) -> + FsmReturn = {next_state, StateName, State#state{protocol_buffers = + Buffers#protocol_buffers{tls_packets = []}}}, Handle(Packet, FsmReturn); -handle_tls_handshake(Handle, StateName, #state{tls_packets = [Packet | Packets]} = State0) -> - FsmReturn = {next_state, StateName, State0#state{tls_packets = Packets}}, +handle_tls_handshake(Handle, StateName, + #state{protocol_buffers = + #protocol_buffers{tls_packets = [Packet | Packets]} = Buffers} = + State0) -> + FsmReturn = {next_state, StateName, State0#state{protocol_buffers = + Buffers#protocol_buffers{tls_packets = + Packets}}}, case Handle(Packet, FsmReturn) of {next_state, NextStateName, State, _Timeout} -> handle_tls_handshake(Handle, NextStateName, State); @@ -2517,12 +1217,14 @@ next_state(_,Next, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, State) -> handle_alerts(Alerts, {next_state, Next, State, get_timeout(State)}); next_state(Current, Next, #ssl_tls{type = ?HANDSHAKE, fragment = Data}, - State0 = #state{tls_handshake_buffer = Buf0, negotiated_version = Version}) -> + State0 = #state{protocol_buffers = + #protocol_buffers{tls_handshake_buffer = Buf0} = Buffers, + negotiated_version = Version}) -> Handle = fun({#hello_request{} = Packet, _}, {next_state, connection = SName, State}) -> %% This message should not be included in handshake %% message hashes. Starts new handshake (renegotiation) - Hs0 = tls_handshake:init_handshake_history(), + Hs0 = ssl_handshake:init_handshake_history(), ?MODULE:SName(Packet, State#state{tls_handshake_history=Hs0, renegotiation = {true, peer}}); ({#hello_request{} = Packet, _}, {next_state, SName, State}) -> @@ -2531,18 +1233,20 @@ next_state(Current, Next, #ssl_tls{type = ?HANDSHAKE, fragment = Data}, ?MODULE:SName(Packet, State); ({#client_hello{} = Packet, Raw}, {next_state, connection = SName, State}) -> Version = Packet#client_hello.client_version, - Hs0 = tls_handshake:init_handshake_history(), - Hs1 = tls_handshake:update_handshake_history(Hs0, Raw), + Hs0 = ssl_handshake:init_handshake_history(), + Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw), ?MODULE:SName(Packet, State#state{tls_handshake_history=Hs1, renegotiation = {true, peer}}); ({Packet, Raw}, {next_state, SName, State = #state{tls_handshake_history=Hs0}}) -> - Hs1 = tls_handshake:update_handshake_history(Hs0, Raw), + Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw), ?MODULE:SName(Packet, State#state{tls_handshake_history=Hs1}); (_, StopState) -> StopState end, try {Packets, Buf} = tls_handshake:get_tls_handshake(Version,Data,Buf0), - State = State0#state{tls_packets = Packets, tls_handshake_buffer = Buf}, + State = State0#state{protocol_buffers = + Buffers#protocol_buffers{tls_packets = Packets, + tls_handshake_buffer = Buf}}, handle_tls_handshake(Handle, Next, State) catch throw:#alert{} = Alert -> handle_own_alert(Alert, Version, Current, State0) @@ -2567,26 +1271,32 @@ next_state(Current, Next, #ssl_tls{type = _Unknown}, State0) -> {Record, State} = next_record(State0), next_state(Current, Next, Record, State). -next_tls_record(Data, #state{tls_record_buffer = Buf0, - tls_cipher_texts = CT0} = State0) -> +next_tls_record(Data, #state{protocol_buffers = #protocol_buffers{tls_record_buffer = Buf0, + tls_cipher_texts = CT0} = Buffers} = State0) -> case tls_record:get_tls_records(Data, Buf0) of {Records, Buf1} -> CT1 = CT0 ++ Records, - next_record(State0#state{tls_record_buffer = Buf1, - tls_cipher_texts = CT1}); + next_record(State0#state{protocol_buffers = + Buffers#protocol_buffers{tls_record_buffer = Buf1, + tls_cipher_texts = CT1}}); #alert{} = Alert -> Alert end. -next_record(#state{tls_packets = [], tls_cipher_texts = [], socket = Socket, +next_record(#state{protocol_buffers = #protocol_buffers{tls_packets = [], tls_cipher_texts = []}, + socket = Socket, transport_cb = Transport} = State) -> ssl_socket:setopts(Transport, Socket, [{active,once}]), {no_record, State}; -next_record(#state{tls_packets = [], tls_cipher_texts = [CT | Rest], +next_record(#state{protocol_buffers = + #protocol_buffers{tls_packets = [], tls_cipher_texts = [CT | Rest]} + = Buffers, connection_states = ConnStates0} = State) -> case tls_record:decode_cipher_text(CT, ConnStates0) of {Plain, ConnStates} -> - {Plain, State#state{tls_cipher_texts = Rest, connection_states = ConnStates}}; + {Plain, State#state{protocol_buffers = + Buffers#protocol_buffers{tls_cipher_texts = Rest}, + connection_states = ConnStates}}; #alert{} = Alert -> {Alert, State} end; @@ -2630,13 +1340,40 @@ next_state_is_connection(_, State = #socket_options{active = false}}) when RecvFrom =/= undefined -> passive_receive(State#state{premaster_secret = undefined, public_key_info = undefined, - tls_handshake_history = tls_handshake:init_handshake_history()}, connection); + tls_handshake_history = ssl_handshake:init_handshake_history()}, connection); next_state_is_connection(StateName, State0) -> {Record, State} = next_record_if_active(State0), next_state(StateName, connection, Record, State#state{premaster_secret = undefined, public_key_info = undefined, - tls_handshake_history = tls_handshake:init_handshake_history()}). + tls_handshake_history = ssl_handshake:init_handshake_history()}). + + +handle_new_session(NewId, CipherSuite, Compression, #state{session = Session0} = State0) -> + Session = Session0#session{session_id = NewId, + cipher_suite = CipherSuite, + compression_method = Compression}, + {Record, State} = next_record(State0#state{session = Session}), + next_state(hello, certify, Record, State). + +handle_resumed_session(SessId, #state{connection_states = ConnectionStates0, + negotiated_version = Version, + host = Host, port = Port, + session_cache = Cache, + session_cache_cb = CacheCb} = State0) -> + Session = CacheCb:lookup(Cache, {{Host, Port}, SessId}), + case ssl_handshake:master_secret(tls_record, Version, Session, + ConnectionStates0, client) of + {_, ConnectionStates} -> + {Record, State} = + next_record(State0#state{ + connection_states = ConnectionStates, + session = Session}), + next_state(hello, abbreviated, Record, State); + #alert{} = Alert -> + handle_own_alert(Alert, Version, hello, State0) + end. + register_session(client, Host, Port, #session{is_resumable = new} = Session0) -> Session = Session0#session{is_resumable = true}, @@ -2681,9 +1418,7 @@ initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions}, User, port = Port, socket = Socket, connection_states = ConnectionStates, - tls_handshake_buffer = <<>>, - tls_record_buffer = <<>>, - tls_cipher_texts = [], + protocol_buffers = #protocol_buffers{}, user_application = {Monitor, User}, user_data_buffer = <<>>, session_cache_cb = SessionCacheCb, @@ -2911,7 +1646,7 @@ ack_connection(State) -> renegotiate(#state{role = client} = State) -> %% Handle same way as if server requested %% the renegotiation - Hs0 = tls_handshake:init_handshake_history(), + Hs0 = ssl_handshake:init_handshake_history(), connection(#hello_request{}, State#state{tls_handshake_history = Hs0}); renegotiate(#state{role = server, socket = Socket, @@ -2920,7 +1655,7 @@ renegotiate(#state{role = server, connection_states = ConnectionStates0} = State0) -> HelloRequest = ssl_handshake:hello_request(), Frag = tls_handshake:encode_handshake(HelloRequest, Version), - Hs0 = tls_handshake:init_handshake_history(), + Hs0 = ssl_handshake:init_handshake_history(), {BinMsg, ConnectionStates} = ssl_record:encode_handshake(Frag, Version, ConnectionStates0), Transport:send(Socket, BinMsg), @@ -2996,12 +1731,6 @@ handle_trusted_certs_db(#state{cert_db_ref = Ref, ok end. -get_current_connection_state_prf(CStates, Direction) -> - CS = ssl_record:current_connection_state(CStates, Direction), - CS#connection_state.security_parameters#security_parameters.prf_algorithm. -get_pending_connection_state_prf(CStates, Direction) -> - CS = ssl_record:pending_connection_state(CStates, Direction), - CS#connection_state.security_parameters#security_parameters.prf_algorithm. start_or_recv_cancel_timer(infinity, _RecvFrom) -> undefined; @@ -3031,66 +1760,3 @@ handle_close_alert(Data, StateName, State0) -> _ -> ok end. -negotiated_hashsign(undefined, Algo, Version) -> - default_hashsign(Version, Algo); -negotiated_hashsign(HashSign = {_, _}, _, _) -> - HashSign. - -%% RFC 5246, Sect. 7.4.1.4.1. Signature Algorithms -%% If the client does not send the signature_algorithms extension, the -%% server MUST do the following: -%% -%% - If the negotiated key exchange algorithm is one of (RSA, DHE_RSA, -%% DH_RSA, RSA_PSK, ECDH_RSA, ECDHE_RSA), behave as if client had -%% sent the value {sha1,rsa}. -%% -%% - If the negotiated key exchange algorithm is one of (DHE_DSS, -%% DH_DSS), behave as if the client had sent the value {sha1,dsa}. -%% -%% - If the negotiated key exchange algorithm is one of (ECDH_ECDSA, -%% ECDHE_ECDSA), behave as if the client had sent value {sha1,ecdsa}. - -default_hashsign(_Version = {Major, Minor}, KeyExchange) - when Major >= 3 andalso Minor >= 3 andalso - (KeyExchange == rsa orelse - KeyExchange == dhe_rsa orelse - KeyExchange == dh_rsa orelse - KeyExchange == ecdhe_rsa orelse - KeyExchange == ecdh_rsa orelse - KeyExchange == srp_rsa) -> - {sha, rsa}; -default_hashsign(_Version, KeyExchange) - when KeyExchange == rsa; - KeyExchange == dhe_rsa; - KeyExchange == dh_rsa; - KeyExchange == ecdhe_rsa; - KeyExchange == ecdh_rsa; - KeyExchange == srp_rsa -> - {md5sha, rsa}; -default_hashsign(_Version, KeyExchange) - when KeyExchange == ecdhe_ecdsa; - KeyExchange == ecdh_ecdsa -> - {sha, ecdsa}; -default_hashsign(_Version, KeyExchange) - when KeyExchange == dhe_dss; - KeyExchange == dh_dss; - KeyExchange == srp_dss -> - {sha, dsa}; -default_hashsign(_Version, KeyExchange) - when KeyExchange == dh_anon; - KeyExchange == ecdh_anon; - KeyExchange == psk; - KeyExchange == dhe_psk; - KeyExchange == rsa_psk; - KeyExchange == srp_anon -> - {null, anon}. - -is_anonymous(Algo) when Algo == dh_anon; - Algo == ecdh_anon; - Algo == psk; - Algo == dhe_psk; - Algo == rsa_psk; - Algo == srp_anon -> - true; -is_anonymous(_) -> - false. |