%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2015-2016. 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_sni_SUITE).
-compile(export_all).
-include_lib("common_test/include/ct.hrl").
-include_lib("public_key/include/public_key.hrl").
%%--------------------------------------------------------------------
%% Common Test interface functions -----------------------------------
%%--------------------------------------------------------------------
all() -> [no_sni_header,
sni_match,
sni_no_match,
no_sni_header_fun,
sni_match_fun,
sni_no_match_fun].
init_per_suite(Config0) ->
catch crypto:stop(),
try crypto:start() of
ok ->
ssl:start(),
{ok, _} = make_certs:all(?config(data_dir, Config0),
?config(priv_dir, Config0)),
ssl_test_lib:cert_options(Config0)
catch _:_ ->
{skip, "Crypto did not start"}
end.
end_per_suite(_) ->
ssl:stop(),
application:stop(crypto).
init_per_testcase(_TestCase, Config) ->
ct:log("TLS/SSL version ~p~n ", [tls_record:supported_protocol_versions()]),
ct:log("Ciphers: ~p~n ", [ ssl:cipher_suites()]),
ct:timetrap({seconds, 5}),
Config.
end_per_testcase(_TestCase, Config) ->
Config.
%%--------------------------------------------------------------------
%% Test Cases --------------------------------------------------------
%%--------------------------------------------------------------------
no_sni_header(Config) ->
run_handshake(Config, undefined, undefined, "server").
no_sni_header_fun(Config) ->
run_sni_fun_handshake(Config, undefined, undefined, "server").
sni_match(Config) ->
run_handshake(Config, "a.server", "a.server", "a.server").
sni_match_fun(Config) ->
run_sni_fun_handshake(Config, "a.server", "a.server", "a.server").
sni_no_match(Config) ->
run_handshake(Config, "c.server", undefined, "server").
sni_no_match_fun(Config) ->
run_sni_fun_handshake(Config, "c.server", undefined, "server").
%%--------------------------------------------------------------------
%% Internal Functions ------------------------------------------------
%%--------------------------------------------------------------------
ssl_recv(SSLSocket, Expect) ->
ssl_recv(SSLSocket, "", Expect).
ssl_recv(SSLSocket, CurrentData, ExpectedData) ->
receive
{ssl, SSLSocket, Data} ->
NeweData = CurrentData ++ Data,
case NeweData of
ExpectedData ->
ok;
_ ->
ssl_recv(SSLSocket, NeweData, ExpectedData)
end;
Other ->
ct:fail({unexpected_message, Other})
after 4000 ->
ct:fail({timeout, CurrentData, ExpectedData})
end.
send_and_hostname(SSLSocket) ->
ssl:send(SSLSocket, "OK"),
case ssl:connection_information(SSLSocket, [sni_hostname]) of
{ok, [{sni_hostname, Hostname}]} ->
Hostname;
{ok, []} ->
undefined
end.
rdnPart([[#'AttributeTypeAndValue'{type=Type, value=Value} | _] | _], Type) ->
Value;
rdnPart([_ | Tail], Type) ->
rdnPart(Tail, Type);
rdnPart([], _) ->
unknown.
rdn_to_string({utf8String, Binary}) ->
erlang:binary_to_list(Binary);
rdn_to_string({printableString, String}) ->
String.
recv_and_certificate(SSLSocket) ->
ssl_recv(SSLSocket, "OK"),
{ok, PeerCert} = ssl:peercert(SSLSocket),
#'OTPCertificate'{tbsCertificate = #'OTPTBSCertificate'{subject = {rdnSequence, Subject}}}
= public_key:pkix_decode_cert(PeerCert, otp),
ct:log("Subject of certificate received from server: ~p", [Subject]),
rdn_to_string(rdnPart(Subject, ?'id-at-commonName')).
run_sni_fun_handshake(Config, SNIHostname, ExpectedSNIHostname, ExpectedCN) ->
ct:log("Start running handshake for sni_fun, Config: ~p, SNIHostname: ~p, "
"ExpectedSNIHostname: ~p, ExpectedCN: ~p",
[Config, SNIHostname, ExpectedSNIHostname, ExpectedCN]),
[{sni_hosts, ServerSNIConf}] = ?config(sni_server_opts, Config),
SNIFun = fun(Domain) -> proplists:get_value(Domain, ServerSNIConf, undefined) end,
ServerOptions = ?config(server_opts, Config) ++ [{sni_fun, SNIFun}],
ClientOptions =
case SNIHostname of
undefined ->
?config(client_opts, Config);
_ ->
[{server_name_indication, SNIHostname}] ++ ?config(client_opts, Config)
end,
ct:log("Options: ~p", [[ServerOptions, ClientOptions]]),
{ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
{from, self()}, {mfa, {?MODULE, send_and_hostname, []}},
{options, ServerOptions}]),
Port = ssl_test_lib:inet_port(Server),
Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
{host, Hostname}, {from, self()},
{mfa, {?MODULE, recv_and_certificate, []}},
{options, ClientOptions}]),
ssl_test_lib:check_result(Server, ExpectedSNIHostname, Client, ExpectedCN),
ssl_test_lib:close(Server),
ssl_test_lib:close(Client).
run_handshake(Config, SNIHostname, ExpectedSNIHostname, ExpectedCN) ->
ct:log("Start running handshake, Config: ~p, SNIHostname: ~p, "
"ExpectedSNIHostname: ~p, ExpectedCN: ~p",
[Config, SNIHostname, ExpectedSNIHostname, ExpectedCN]),
ServerOptions = ?config(sni_server_opts, Config) ++ ?config(server_opts, Config),
ClientOptions =
case SNIHostname of
undefined ->
?config(client_opts, Config);
_ ->
[{server_name_indication, SNIHostname}] ++ ?config(client_opts, Config)
end,
ct:log("Options: ~p", [[ServerOptions, ClientOptions]]),
{ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
{from, self()}, {mfa, {?MODULE, send_and_hostname, []}},
{options, ServerOptions}]),
Port = ssl_test_lib:inet_port(Server),
Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
{host, Hostname}, {from, self()},
{mfa, {?MODULE, recv_and_certificate, []}},
{options, ClientOptions}]),
ssl_test_lib:check_result(Server, ExpectedSNIHostname, Client, ExpectedCN),
ssl_test_lib:close(Server),
ssl_test_lib:close(Client).
