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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2013. 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("tls_handshake.hrl").
-include_lib("public_key/include/public_key.hrl").
%%--------------------------------------------------------------------
%% Common Test interface functions -----------------------------------
%%--------------------------------------------------------------------
suite() -> [{ct_hooks,[ts_install_cth]}].
all() -> [decode_hello_handshake,
decode_single_hello_extension_correctly,
decode_supported_elliptic_curves_hello_extension_correctly,
decode_unknown_hello_extension_correctly,
encode_single_hello_sni_extension_correctly,
select_proper_tls_1_2_rsa_default_hashsign].
%%--------------------------------------------------------------------
%% Test Cases --------------------------------------------------------
%%--------------------------------------------------------------------
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>>,
Version = {3, 0},
{Records, _Buffer} = tls_handshake:get_tls_handshake(Version, HelloPacket, <<>>),
{Hello, _Data} = hd(Records),
#renegotiation_info{renegotiated_connection = <<0>>}
= (Hello#server_hello.extensions)#hello_extensions.renegotiation_info.
decode_single_hello_extension_correctly(_Config) ->
Renegotiation = <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(1), 0>>,
Extensions = ssl_handshake:decode_hello_extensions(Renegotiation),
#renegotiation_info{renegotiated_connection = <<0>>}
= Extensions#hello_extensions.renegotiation_info.
decode_supported_elliptic_curves_hello_extension_correctly(_Config) ->
% List of supported and unsupported curves (RFC4492:S5.1.1)
ClientEllipticCurves = [0, tls_v1:oid_to_enum(?sect233k1), 37, tls_v1:oid_to_enum(?sect193r2), 16#badc],
% Construct extension binary - modified version of ssl_handshake:encode_hello_extensions([#elliptic_curves{}], _)
EllipticCurveList = << <<X:16>> || X <- ClientEllipticCurves>>,
ListLen = byte_size(EllipticCurveList),
Len = ListLen + 2,
Extension = <<?UINT16(?ELLIPTIC_CURVES_EXT), ?UINT16(Len), ?UINT16(ListLen), EllipticCurveList/binary>>,
% after decoding we should see only valid curves
#hello_extensions{elliptic_curves = DecodedCurves} = ssl_handshake:decode_hello_extensions(Extension),
#elliptic_curves{elliptic_curve_list = [?sect233k1, ?sect193r2]} = DecodedCurves.
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:decode_hello_extensions(<<FourByteUnknown/binary, Renegotiation/binary>>),
#renegotiation_info{renegotiated_connection = <<0>>}
= Extensions#hello_extensions.renegotiation_info.
encode_single_hello_sni_extension_correctly(_Config) ->
Exts = #hello_extensions{sni = #sni{hostname = "test.com"}},
SNI = <<16#00, 16#00, 16#00, 16#0d, 16#00, 16#0b, 16#00, 16#00, 16#08,
$t, $e, $s, $t, $., $c, $o, $m>>,
ExtSize = byte_size(SNI),
HelloExt = <<ExtSize:16/unsigned-big-integer, SNI/binary>>,
Encoded = ssl_handshake:encode_hello_extensions(Exts),
HelloExt = Encoded.
select_proper_tls_1_2_rsa_default_hashsign(_Config) ->
% RFC 5246 section 7.4.1.4.1 tells to use {sha1,rsa} as default signature_algorithm for RSA key exchanges
{sha, rsa} = ssl_handshake:select_cert_hashsign(undefined, ?rsaEncryption, {3,3}),
{md5sha, rsa} = ssl_handshake:select_cert_hashsign(undefined, ?rsaEncryption, {undefined,undefined}).
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