%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions 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 -----------------------------------
%%--------------------------------------------------------------------
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,
decode_single_hello_sni_extension_correctly,
decode_empty_server_sni_correctly,
select_proper_tls_1_2_rsa_default_hashsign,
ignore_hassign_extension_pre_tls_1_2].
%%--------------------------------------------------------------------
init_per_suite(Config) ->
Config.
end_per_suite(Config) ->
Config.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_,Config) ->
Config.
init_per_testcase(ignore_hassign_extension_pre_tls_1_2, Config0) ->
catch crypto:stop(),
try crypto:start() of
ok ->
case is_supported(sha512) of
true ->
ssl_test_lib:clean_start(),
%% make rsa certs using oppenssl
{ok, _} = make_certs:all(proplists:get_value(data_dir, Config0),
proplists:get_value(priv_dir, Config0)),
Config = ssl_test_lib:cert_options(Config0),
ct:timetrap({seconds, 5}),
Config;
false ->
{skip, "Crypto did not support sha512"}
end
catch _:_ ->
{skip, "Crypto did not start"}
end;
init_per_testcase(_, Config0) ->
Config0.
end_per_testcase(ignore_hassign_extension_pre_tls_1_2, _) ->
crypto:stop();
end_per_testcase(_TestCase, Config) ->
Config.
%%--------------------------------------------------------------------
%% 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, <<>>,
#ssl_options{}),
{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.
decode_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>>,
Decoded = ssl_handshake:decode_hello_extensions(SNI),
Exts = Decoded.
decode_empty_server_sni_correctly(_Config) ->
Exts = #hello_extensions{sni = #sni{hostname = ""}},
SNI = <<?UINT16(?SNI_EXT),?UINT16(0)>>,
Decoded = ssl_handshake:decode_hello_extensions(SNI),
Exts = Decoded.
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_hashsign_algs(undefined, ?rsaEncryption, {3,3}),
% Older versions use MD5/SHA1 combination
{md5sha, rsa} = ssl_handshake:select_hashsign_algs(undefined, ?rsaEncryption, {3,2}),
{md5sha, rsa} = ssl_handshake:select_hashsign_algs(undefined, ?rsaEncryption, {3,0}).
ignore_hassign_extension_pre_tls_1_2(Config) ->
Opts = proplists:get_value(server_opts, Config),
CertFile = proplists:get_value(certfile, Opts),
[{_, Cert, _}] = ssl_test_lib:pem_to_der(CertFile),
HashSigns = #hash_sign_algos{hash_sign_algos = [{sha512, rsa}, {sha, dsa}]},
{sha512, rsa} = ssl_handshake:select_hashsign(HashSigns, Cert, ecdhe_rsa, tls_v1:default_signature_algs({3,3}), {3,3}),
%%% Ignore
{md5sha, rsa} = ssl_handshake:select_hashsign(HashSigns, Cert, ecdhe_rsa, tls_v1:default_signature_algs({3,2}), {3,2}),
{md5sha, rsa} = ssl_handshake:select_hashsign(HashSigns, Cert, ecdhe_rsa, tls_v1:default_signature_algs({3,0}), {3,0}).
is_supported(Hash) ->
Algos = crypto:supports(),
Hashs = proplists:get_value(hashs, Algos),
lists:member(Hash, Hashs).
