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%%
%% Copyright Ericsson AB 2019-2019. 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_alert_SUITE).
-behaviour(ct_suite).
-include_lib("common_test/include/ct.hrl").
-include_lib("public_key/include/public_key.hrl").
-include_lib("ssl/src/ssl_alert.hrl").
%% Common test
-export([all/0,
init_per_testcase/2,
end_per_testcase/2
]).
%% Test cases
-export([alerts/0,
alerts/1,
alert_details/0,
alert_details/1,
alert_details_not_too_big/0,
alert_details_not_too_big/1
]).
%%--------------------------------------------------------------------
%% Common Test interface functions -----------------------------------
%%--------------------------------------------------------------------
all() ->
[
alerts,
alert_details,
alert_details_not_too_big
].
init_per_testcase(_TestCase, Config) ->
ct:timetrap({seconds, 5}),
Config.
end_per_testcase(_TestCase, Config) ->
Config.
%%--------------------------------------------------------------------
%% Test Cases --------------------------------------------------------
%%--------------------------------------------------------------------
alerts() ->
[{doc, "Test ssl_alert formating code"}].
alerts(Config) when is_list(Config) ->
Descriptions = [?CLOSE_NOTIFY, ?UNEXPECTED_MESSAGE, ?BAD_RECORD_MAC,
?DECRYPTION_FAILED_RESERVED, ?RECORD_OVERFLOW, ?DECOMPRESSION_FAILURE,
?HANDSHAKE_FAILURE, ?BAD_CERTIFICATE, ?UNSUPPORTED_CERTIFICATE,
?CERTIFICATE_REVOKED,?CERTIFICATE_EXPIRED, ?CERTIFICATE_UNKNOWN,
?ILLEGAL_PARAMETER, ?UNKNOWN_CA, ?ACCESS_DENIED, ?DECODE_ERROR,
?DECRYPT_ERROR, ?EXPORT_RESTRICTION, ?PROTOCOL_VERSION,
?INSUFFICIENT_SECURITY, ?INTERNAL_ERROR, ?USER_CANCELED,
?NO_RENEGOTIATION, ?UNSUPPORTED_EXTENSION, ?CERTIFICATE_UNOBTAINABLE,
?UNRECOGNIZED_NAME, ?BAD_CERTIFICATE_STATUS_RESPONSE,
?BAD_CERTIFICATE_HASH_VALUE, ?UNKNOWN_PSK_IDENTITY,
255 %% Unsupported/unknow alert will result in a description too
],
Alerts = [?ALERT_REC(?WARNING, ?CLOSE_NOTIFY) |
[?ALERT_REC(?FATAL, Desc) || Desc <- Descriptions]],
lists:foreach(fun(Alert) ->
try
ssl_alert:reason_code(Alert, server, "TLS", cipher),
ssl_alert:reason_code(Alert, client, "TLS", hello)
catch
C:E:T ->
ct:fail({unexpected, {C, E, T}})
end
end, Alerts).
%%--------------------------------------------------------------------
alert_details() ->
[{doc, "Test that ssl_alert:alert_txt/1 result contains extendend error description"}].
alert_details(Config) when is_list(Config) ->
Unique = make_ref(),
UniqueStr = lists:flatten(io_lib:format("~w", [Unique])),
Alert = ?ALERT_REC(?WARNING, ?INTERNAL_ERROR, Unique),
{tls_alert, {_, Txt}} = ssl_alert:reason_code(Alert#alert{role=server}, server, "TLS", cipher),
case string:str(Txt, UniqueStr) of
0 ->
ct:fail(error_details_missing);
_ ->
ok
end.
%%--------------------------------------------------------------------
alert_details_not_too_big() ->
[{doc, "Test that ssl_alert:alert_txt/1 limits printed depth of extended error description"}].
alert_details_not_too_big(Config) when is_list(Config) ->
Reason = ssl:cipher_suites(all, 'tlsv1.2'),
ReasonText = lists:flatten(io_lib:format("~p", [Reason])),
Alert = ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, Reason),
PrefixLen =
length("TLS server: In state cipher at ssl_handshake.erl:1710 generated SERVER ALERT: Fatal - Handshake Failure"),
{tls_alert, {_, Txt}} = ssl_alert:reason_code(Alert#alert{role=server, where = #{file => "ssl_handshake.erl",
line => 1710}}, server, "TLS", cipher),
case byte_size(term_to_binary(Txt)) < (byte_size(term_to_binary(ReasonText)) - PrefixLen) of
true ->
ct:pal("~s", [Txt]);
false ->
ct:fail(ssl_alert_text_too_big)
end.
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