diff options
| -rw-r--r-- | lib/ssl/src/ssl_handshake.erl | 9 | ||||
| -rw-r--r-- | lib/ssl/test/Makefile | 5 | ||||
| -rw-r--r-- | lib/ssl/test/ssl_handshake_SUITE.erl | 67 |
3 files changed, 77 insertions, 4 deletions
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl index 453ea20f99..f873a6a913 100644 --- a/lib/ssl/src/ssl_handshake.erl +++ b/lib/ssl/src/ssl_handshake.erl @@ -39,6 +39,8 @@ encode_handshake/2, init_hashes/0, update_hashes/2, decrypt_premaster_secret/2]). +-export([dec_hello_extensions/2]). + -type tls_handshake() :: #client_hello{} | #server_hello{} | #server_hello_done{} | #certificate{} | #certificate_request{} | #client_key_exchange{} | #finished{} | #certificate_verify{} | @@ -912,9 +914,12 @@ dec_hello_extensions(<<?UINT16(?RENEGOTIATION_EXT), ?UINT16(Len), Info:Len/binar end, dec_hello_extensions(Rest, [{renegotiation_info, #renegotiation_info{renegotiated_connection = RenegotiateInfo}} | Acc]); -dec_hello_extensions(<<?UINT16(_), ?UINT16(Len), _Unknown:Len, Rest/binary>>, Acc) -> + +%% Ignore data following the ClientHello (i.e., +%% extensions) if not understood. +dec_hello_extensions(<<?UINT16(_), ?UINT16(Len), _Unknown:Len/binary, Rest/binary>>, Acc) -> dec_hello_extensions(Rest, Acc); -%% Need this clause? +%% This theoretically should not happen if the protocol is followed, but if it does it is ignored. dec_hello_extensions(_, Acc) -> Acc. diff --git a/lib/ssl/test/Makefile b/lib/ssl/test/Makefile index 5be07cad2c..922abea41b 100644 --- a/lib/ssl/test/Makefile +++ b/lib/ssl/test/Makefile @@ -35,8 +35,9 @@ VSN=$(GS_VSN) # ---------------------------------------------------- MODULES = \ - ssl_test_lib \ + ssl_test_lib \ ssl_basic_SUITE \ + ssl_handshake_SUITE \ ssl_packet_SUITE \ ssl_payload_SUITE \ ssl_to_openssl_SUITE \ @@ -45,7 +46,7 @@ MODULES = \ old_ssl_active_SUITE \ old_ssl_active_once_SUITE \ old_ssl_passive_SUITE \ - old_ssl_verify_SUITE \ + old_ssl_verify_SUITE \ old_ssl_peer_cert_SUITE \ old_ssl_misc_SUITE \ old_ssl_protocol_SUITE \ diff --git a/lib/ssl/test/ssl_handshake_SUITE.erl b/lib/ssl/test/ssl_handshake_SUITE.erl new file mode 100644 index 0000000000..08c23b2d47 --- /dev/null +++ b/lib/ssl/test/ssl_handshake_SUITE.erl @@ -0,0 +1,67 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2008-2011. 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 +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%% + +-module(ssl_handshake_SUITE). + +-compile(export_all). + +-include_lib("common_test/include/ct.hrl"). +-include("ssl_internal.hrl"). +-include("ssl_handshake.hrl"). + +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> [ + decode_hello_handshake, + decode_single_hello_extension_correctly, + decode_unknown_hello_extension_correctly]. + +decode_hello_handshake(_Config) -> + HelloPacket = <<16#02, 16#00, 16#00, + 16#44, 16#03, 16#03, 16#4e, 16#7f, 16#c1, 16#03, 16#35, + 16#c2, 16#07, 16#b9, 16#4a, 16#58, 16#af, 16#34, 16#07, + 16#a6, 16#7e, 16#ef, 16#52, 16#cb, 16#e0, 16#ea, 16#b7, + 16#aa, 16#47, 16#c8, 16#c2, 16#2c, 16#66, 16#fa, 16#f8, + 16#09, 16#42, 16#cf, 16#00, 16#c0, 16#30, 16#00, 16#00, + 16#1c, + 16#00, 16#0b, 16#00, 16#04, 16#03, 16#00, 16#01, 16#02, % ec_point_formats + 16#ff, 16#01, 16#00, 16#01, 16#00, %% renegotiate + 16#00, 16#23, + 16#00, 16#00, 16#33, 16#74, 16#00, 16#07, 16#06, 16#73, + 16#70, 16#64, 16#79, 16#2f, 16#32>>, + + {Records, _Buffer} = ssl_handshake:get_tls_handshake(HelloPacket, <<>>), + + {Hello, _Data} = hd(Records), + #renegotiation_info{renegotiated_connection = <<0>>} = Hello#server_hello.renegotiation_info. + +decode_single_hello_extension_correctly(_Config) -> + Renegotiation = <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(1), 0>>, + Extensions = ssl_handshake:dec_hello_extensions(Renegotiation, []), + [{renegotiation_info,#renegotiation_info{renegotiated_connection = <<0>>}}] = Extensions. + + +decode_unknown_hello_extension_correctly(_Config) -> + FourByteUnknown = <<16#CA,16#FE, ?UINT16(4), 3, 0, 1, 2>>, + Renegotiation = <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(1), 0>>, + Extensions = ssl_handshake:dec_hello_extensions(<<FourByteUnknown/binary, Renegotiation/binary>>, []), + [{renegotiation_info,#renegotiation_info{renegotiated_connection = <<0>>}}] = Extensions. + |