diff options
Diffstat (limited to 'lib/ssl/src/tls_handshake.erl')
-rw-r--r-- | lib/ssl/src/tls_handshake.erl | 86 |
1 files changed, 17 insertions, 69 deletions
diff --git a/lib/ssl/src/tls_handshake.erl b/lib/ssl/src/tls_handshake.erl index 262f2d929f..01abefca46 100644 --- a/lib/ssl/src/tls_handshake.erl +++ b/lib/ssl/src/tls_handshake.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2013. All Rights Reserved. +%% Copyright Ericsson AB 2007-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -26,15 +26,12 @@ -include("tls_handshake.hrl"). -include("tls_record.hrl"). --include("ssl_cipher.hrl"). -include("ssl_alert.hrl"). -include("ssl_internal.hrl"). --include("ssl_srp.hrl"). -include_lib("public_key/include/public_key.hrl"). --export([client_hello/8, server_hello/4, hello/4, - get_tls_handshake/3, encode_handshake/2, decode_handshake/3, - init_handshake_history/0, update_handshake_history/2]). +-export([client_hello/8, hello/4, + get_tls_handshake/3, encode_handshake/2, decode_handshake/3]). %%==================================================================== %% Internal application API @@ -55,9 +52,9 @@ client_hello(Host, Port, ConnectionStates, Pending = ssl_record:pending_connection_state(ConnectionStates, read), SecParams = Pending#connection_state.security_parameters, CipherSuites = ssl_handshake:available_suites(UserSuites, Version), - - Extensions = ssl_handshake:client_hello_extensions(Host, Version, CipherSuites, - SslOpts, ConnectionStates, Renegotiation), + Extensions = ssl_handshake:client_hello_extensions(Host, Version, + CipherSuites, + SslOpts, ConnectionStates, Renegotiation), Id = ssl_session:client_id({Host, Port, SslOpts}, Cache, CacheCb, OwnCert), @@ -70,25 +67,6 @@ client_hello(Host, Port, ConnectionStates, }. %%-------------------------------------------------------------------- --spec server_hello(binary(), tls_version(), #connection_states{}, - #hello_extensions{}) -> #server_hello{}. -%% -%% Description: Creates a server hello message. -%%-------------------------------------------------------------------- -server_hello(SessionId, Version, ConnectionStates, Extensions) -> - Pending = ssl_record:pending_connection_state(ConnectionStates, read), - SecParams = Pending#connection_state.security_parameters, - - #server_hello{server_version = Version, - cipher_suite = SecParams#security_parameters.cipher_suite, - compression_method = - SecParams#security_parameters.compression_algorithm, - random = SecParams#security_parameters.server_random, - session_id = SessionId, - extensions = Extensions - }. - -%%-------------------------------------------------------------------- -spec hello(#server_hello{} | #client_hello{}, #ssl_options{}, #connection_states{} | {inet:port_number(), #session{}, db_handle(), atom(), #connection_states{}, binary() | undefined}, @@ -109,8 +87,8 @@ hello(#server_hello{server_version = Version, random = Random, ConnectionStates0, Renegotiation) -> case tls_record:is_acceptable_version(Version, SupportedVersions) of true -> - handle_hello_extensions(Version, SessionId, Random, CipherSuite, - Compression, HelloExt, SslOpt, ConnectionStates0, Renegotiation); + handle_server_hello_extensions(Version, SessionId, Random, CipherSuite, + Compression, HelloExt, SslOpt, ConnectionStates0, Renegotiation); false -> ?ALERT_REC(?FATAL, ?PROTOCOL_VERSION) end; @@ -135,9 +113,9 @@ hello(#client_hello{client_version = ClientVersion, no_suite -> ?ALERT_REC(?FATAL, ?INSUFFICIENT_SECURITY); _ -> - handle_hello_extensions(Version, Type, Random, HelloExt, - SslOpts, Session1, ConnectionStates0, - Renegotiation) + handle_client_hello_extensions(Version, Type, Random, CipherSuites, HelloExt, + SslOpts, Session1, ConnectionStates0, + Renegotiation) end; false -> ?ALERT_REC(?FATAL, ?PROTOCOL_VERSION) @@ -167,36 +145,8 @@ get_tls_handshake(Version, Data, Buffer) -> get_tls_handshake_aux(Version, list_to_binary([Buffer, Data]), []). %%-------------------------------------------------------------------- --spec init_handshake_history() -> tls_handshake_history(). - -%% -%% Description: Initialize the empty handshake history buffer. -%%-------------------------------------------------------------------- -init_handshake_history() -> - {[], []}. - -%%-------------------------------------------------------------------- --spec update_handshake_history(tls_handshake_history(), Data ::term()) -> - tls_handshake_history(). -%% -%% Description: Update the handshake history buffer with Data. +%%% Internal functions %%-------------------------------------------------------------------- -update_handshake_history(Handshake, % special-case SSL2 client hello - <<?CLIENT_HELLO, ?UINT24(_), ?BYTE(Major), ?BYTE(Minor), - ?UINT16(CSLength), ?UINT16(0), - ?UINT16(CDLength), - CipherSuites:CSLength/binary, - ChallengeData:CDLength/binary>>) -> - update_handshake_history(Handshake, - <<?CLIENT_HELLO, ?BYTE(Major), ?BYTE(Minor), - ?UINT16(CSLength), ?UINT16(0), - ?UINT16(CDLength), - CipherSuites:CSLength/binary, - ChallengeData:CDLength/binary>>); -update_handshake_history({Handshake0, _Prev}, Data) -> - {[Data|Handshake0], Handshake0}. - - get_tls_handshake_aux(Version, <<?BYTE(Type), ?UINT24(Length), Body:Length/binary,Rest/binary>>, Acc) -> Raw = <<?BYTE(Type), ?UINT24(Length), Body/binary>>, @@ -205,10 +155,6 @@ get_tls_handshake_aux(Version, <<?BYTE(Type), ?UINT24(Length), get_tls_handshake_aux(_Version, Data, Acc) -> {lists:reverse(Acc), Data}. -%%-------------------------------------------------------------------- -%%% Internal functions -%%-------------------------------------------------------------------- - decode_handshake(_, ?HELLO_REQUEST, <<>>) -> #hello_request{}; @@ -271,8 +217,10 @@ enc_handshake(HandshakeMsg, Version) -> ssl_handshake:encode_handshake(HandshakeMsg, Version). -handle_hello_extensions(Version, Type, Random, HelloExt, SslOpts, Session0, ConnectionStates0, Renegotiation) -> - try ssl_handshake:handle_client_hello_extensions(tls_record, Random, HelloExt, Version, SslOpts, +handle_client_hello_extensions(Version, Type, Random, CipherSuites, + HelloExt, SslOpts, Session0, ConnectionStates0, Renegotiation) -> + try ssl_handshake:handle_client_hello_extensions(tls_record, Random, CipherSuites, + HelloExt, Version, SslOpts, Session0, ConnectionStates0, Renegotiation) of {Session, ConnectionStates, ServerHelloExt} -> {Version, {Type, Session}, ConnectionStates, ServerHelloExt} @@ -281,7 +229,7 @@ handle_hello_extensions(Version, Type, Random, HelloExt, SslOpts, Session0, Conn end. -handle_hello_extensions(Version, SessionId, Random, CipherSuite, +handle_server_hello_extensions(Version, SessionId, Random, CipherSuite, Compression, HelloExt, SslOpt, ConnectionStates0, Renegotiation) -> case ssl_handshake:handle_server_hello_extensions(tls_record, Random, CipherSuite, Compression, HelloExt, Version, |