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authorIngela Anderton Andin <[email protected]>2018-12-10 16:50:46 +0100
committerIngela Anderton Andin <[email protected]>2019-02-04 10:48:17 +0100
commit949c725abcc649e508d971cbc82f5278e050db2c (patch)
tree27eb940aa5dd4a94cd49c94b107f71132ea62cae /lib
parent29f09d4ef93b94d92f57045712e2c395902e0893 (diff)
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ssl: Enhance error handling
Diffstat (limited to 'lib')
-rw-r--r--lib/ssl/src/ssl.erl4
-rw-r--r--lib/ssl/src/ssl_alert.erl73
-rw-r--r--lib/ssl/test/ssl_alpn_handshake_SUITE.erl35
-rw-r--r--lib/ssl/test/ssl_basic_SUITE.erl23
-rw-r--r--lib/ssl/test/ssl_certificate_verify_SUITE.erl109
-rw-r--r--lib/ssl/test/ssl_crl_SUITE.erl23
-rw-r--r--lib/ssl/test/ssl_sni_SUITE.erl8
-rw-r--r--lib/ssl/test/ssl_test_lib.erl34
-rw-r--r--lib/ssl/test/ssl_to_openssl_SUITE.erl2
9 files changed, 160 insertions, 151 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 29129d4b6c..34261e5d6b 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -783,8 +783,8 @@ format_error(Reason) when is_list(Reason) ->
Reason;
format_error(closed) ->
"TLS connection is closed";
-format_error({tls_alert, Description}) ->
- "TLS Alert: " ++ Description;
+format_error({tls_alert, {_, Description}}) ->
+ Description;
format_error({options,{FileType, File, Reason}}) when FileType == cacertfile;
FileType == certfile;
FileType == keyfile;
diff --git a/lib/ssl/src/ssl_alert.erl b/lib/ssl/src/ssl_alert.erl
index 34e9797f1f..83e5ea1088 100644
--- a/lib/ssl/src/ssl_alert.erl
+++ b/lib/ssl/src/ssl_alert.erl
@@ -58,8 +58,10 @@ decode(Bin) ->
reason_code(#alert{description = ?CLOSE_NOTIFY}, _) ->
closed;
-reason_code(#alert{description = Description}, _) ->
- {tls_alert, string:casefold(description_txt(Description))}.
+reason_code(#alert{description = Description, role = Role} = Alert, Role) ->
+ {tls_alert, {description_atom(Description), own_alert_txt(Alert)}};
+reason_code(#alert{description = Description} = Alert, Role) ->
+ {tls_alert, {description_atom(Description), alert_txt(Alert#alert{role = Role})}}.
%%--------------------------------------------------------------------
-spec own_alert_txt(#alert{}) -> string().
@@ -181,3 +183,70 @@ description_txt(?NO_APPLICATION_PROTOCOL) ->
"No application protocol";
description_txt(Enum) ->
lists:flatten(io_lib:format("unsupported/unknown alert: ~p", [Enum])).
+
+description_atom(?CLOSE_NOTIFY) ->
+ close_notify;
+description_atom(?UNEXPECTED_MESSAGE) ->
+ unexpected_message;
+description_atom(?BAD_RECORD_MAC) ->
+ bad_record_mac;
+description_atom(?DECRYPTION_FAILED_RESERVED) ->
+ decryption_failed_reserved;
+description_atom(?RECORD_OVERFLOW) ->
+ record_overflow;
+description_atom(?DECOMPRESSION_FAILURE) ->
+ decompression_failure;
+description_atom(?HANDSHAKE_FAILURE) ->
+ handshake_failure;
+description_atom(?NO_CERTIFICATE_RESERVED) ->
+ no_certificate_reserved;
+description_atom(?BAD_CERTIFICATE) ->
+ bad_certificate;
+description_atom(?UNSUPPORTED_CERTIFICATE) ->
+ unsupported_certificate;
+description_atom(?CERTIFICATE_REVOKED) ->
+ certificate_revoked;
+description_atom(?CERTIFICATE_EXPIRED) ->
+ certificate_expired;
+description_atom(?CERTIFICATE_UNKNOWN) ->
+ certificate_unknown;
+description_atom(?ILLEGAL_PARAMETER) ->
+ illegal_parameter;
+description_atom(?UNKNOWN_CA) ->
+ unknown_ca;
+description_atom(?ACCESS_DENIED) ->
+ access_denied;
+description_atom(?DECODE_ERROR) ->
+ decode_error;
+description_atom(?DECRYPT_ERROR) ->
+ decrypt_error;
+description_atom(?EXPORT_RESTRICTION) ->
+ export_restriction;
+description_atom(?PROTOCOL_VERSION) ->
+ protocol_version;
+description_atom(?INSUFFICIENT_SECURITY) ->
+ insufficient_security;
+description_atom(?INTERNAL_ERROR) ->
+ internal_error;
+description_atom(?USER_CANCELED) ->
+ user_canceled;
+description_atom(?NO_RENEGOTIATION) ->
+ no_renegotiation;
+description_atom(?UNSUPPORTED_EXTENSION) ->
+ unsupported_extension;
+description_atom(?CERTIFICATE_UNOBTAINABLE) ->
+ certificate_unobtainable;
+description_atom(?UNRECOGNISED_NAME) ->
+ unrecognised_name;
+description_atom(?BAD_CERTIFICATE_STATUS_RESPONSE) ->
+ bad_certificate_status_response;
+description_atom(?BAD_CERTIFICATE_HASH_VALUE) ->
+ bad_certificate_hash_value;
+description_atom(?UNKNOWN_PSK_IDENTITY) ->
+ unknown_psk_identity;
+description_atom(?INAPPROPRIATE_FALLBACK) ->
+ inappropriate_fallback;
+description_atom(?NO_APPLICATION_PROTOCOL) ->
+ no_application_protocol;
+description_atom(_) ->
+ 'unsupported/unkonwn_alert'.
diff --git a/lib/ssl/test/ssl_alpn_handshake_SUITE.erl b/lib/ssl/test/ssl_alpn_handshake_SUITE.erl
index 7f7c3da5ab..dfc780479e 100644
--- a/lib/ssl/test/ssl_alpn_handshake_SUITE.erl
+++ b/lib/ssl/test/ssl_alpn_handshake_SUITE.erl
@@ -153,41 +153,41 @@ protocols_must_be_a_binary_list(Config) when is_list(Config) ->
empty_client(Config) when is_list(Config) ->
run_failing_handshake(Config,
- [{alpn_advertised_protocols, []}],
- [{alpn_preferred_protocols, [<<"spdy/2">>, <<"spdy/3">>, <<"http/2">>]}],
- {error,{tls_alert,"no application protocol"}}).
+ [{alpn_advertised_protocols, []}],
+ [{alpn_preferred_protocols, [<<"spdy/2">>, <<"spdy/3">>, <<"http/2">>]}],
+ no_application_protocol).
%--------------------------------------------------------------------------------
empty_server(Config) when is_list(Config) ->
run_failing_handshake(Config,
- [{alpn_advertised_protocols, [<<"http/1.0">>, <<"http/1.1">>]}],
- [{alpn_preferred_protocols, []}],
- {error,{tls_alert,"no application protocol"}}).
+ [{alpn_advertised_protocols, [<<"http/1.0">>, <<"http/1.1">>]}],
+ [{alpn_preferred_protocols, []}],
+ no_application_protocol).
%--------------------------------------------------------------------------------
empty_client_empty_server(Config) when is_list(Config) ->
run_failing_handshake(Config,
- [{alpn_advertised_protocols, []}],
- [{alpn_preferred_protocols, []}],
- {error,{tls_alert,"no application protocol"}}).
+ [{alpn_advertised_protocols, []}],
+ [{alpn_preferred_protocols, []}],
+ no_application_protocol).
%--------------------------------------------------------------------------------
no_matching_protocol(Config) when is_list(Config) ->
run_failing_handshake(Config,
- [{alpn_advertised_protocols, [<<"http/1.0">>, <<"http/1.1">>]}],
- [{alpn_preferred_protocols, [<<"spdy/2">>, <<"spdy/3">>, <<"http/2">>]}],
- {error,{tls_alert,"no application protocol"}}).
+ [{alpn_advertised_protocols, [<<"http/1.0">>, <<"http/1.1">>]}],
+ [{alpn_preferred_protocols, [<<"spdy/2">>, <<"spdy/3">>, <<"http/2">>]}],
+ no_application_protocol).
%--------------------------------------------------------------------------------
client_alpn_and_server_alpn(Config) when is_list(Config) ->
run_handshake(Config,
- [{alpn_advertised_protocols, [<<"http/1.0">>, <<"http/1.1">>]}],
- [{alpn_preferred_protocols, [<<"spdy/2">>, <<"http/1.1">>, <<"http/1.0">>]}],
- {ok, <<"http/1.1">>}).
+ [{alpn_advertised_protocols, [<<"http/1.0">>, <<"http/1.1">>]}],
+ [{alpn_preferred_protocols, [<<"spdy/2">>, <<"http/1.1">>, <<"http/1.0">>]}],
+ {ok, <<"http/1.1">>}).
%--------------------------------------------------------------------------------
@@ -297,7 +297,7 @@ alpn_not_supported_server(Config) when is_list(Config)->
%% Internal functions ------------------------------------------------
%%--------------------------------------------------------------------
-run_failing_handshake(Config, ClientExtraOpts, ServerExtraOpts, ExpectedResult) ->
+run_failing_handshake(Config, ClientExtraOpts, ServerExtraOpts, ExpectedAlert) ->
ClientOpts = ClientExtraOpts ++ ssl_test_lib:ssl_options(client_rsa_opts, Config),
ServerOpts = ServerExtraOpts ++ ssl_test_lib:ssl_options(server_rsa_opts, Config),
@@ -313,8 +313,7 @@ run_failing_handshake(Config, ClientExtraOpts, ServerExtraOpts, ExpectedResult)
{from, self()},
{mfa, {?MODULE, placeholder, []}},
{options, ClientOpts}]),
- ssl_test_lib:check_result(Server, ExpectedResult,
- Client, ExpectedResult).
+ ssl_test_lib:check_client_alert(Server, Client, ExpectedAlert).
run_handshake(Config, ClientExtraOpts, ServerExtraOpts, ExpectedProtocol) ->
Data = "hello world",
diff --git a/lib/ssl/test/ssl_basic_SUITE.erl b/lib/ssl/test/ssl_basic_SUITE.erl
index cfc4ec5770..72606db628 100644
--- a/lib/ssl/test/ssl_basic_SUITE.erl
+++ b/lib/ssl/test/ssl_basic_SUITE.erl
@@ -702,14 +702,7 @@ hello_client_cancel(Config) when is_list(Config) ->
{from, self()},
{options, ssl_test_lib:ssl_options([{handshake, hello}], Config)},
{continue_options, cancel}]),
- receive
- {Server, {error, {tls_alert, "user canceled"}}} ->
- ok;
- {Server, {error, closed}} ->
- ct:pal("Did not receive the ALERT"),
- ok
- end.
-
+ ssl_test_lib:check_server_alert(Server, user_canceled).
%%--------------------------------------------------------------------
hello_server_cancel() ->
[{doc, "Test API function ssl:handshake_cancel/1 on the server side"}].
@@ -1183,9 +1176,8 @@ fallback(Config) when is_list(Config) ->
[{fallback, true},
{versions, ['tlsv1']}
| ClientOpts]}]),
-
- ssl_test_lib:check_result(Server, {error,{tls_alert,"inappropriate fallback"}},
- Client, {error,{tls_alert,"inappropriate fallback"}}).
+ ssl_test_lib:check_server_alert(Server, Client, inappropriate_fallback).
+
%%--------------------------------------------------------------------
cipher_format() ->
@@ -2651,8 +2643,7 @@ default_reject_anonymous(Config) when is_list(Config) ->
[{ciphers,[CipherSuite]} |
ClientOpts]}]),
- ssl_test_lib:check_result(Server, {error, {tls_alert, "insufficient security"}},
- Client, {error, {tls_alert, "insufficient security"}}).
+ ssl_test_lib:check_server_alert(Server, Client, insufficient_security).
%%--------------------------------------------------------------------
ciphers_ecdsa_signed_certs() ->
@@ -3504,8 +3495,7 @@ no_common_signature_algs(Config) when is_list(Config) ->
{options, [{signature_algs, [{sha384, rsa}]}
| ClientOpts]}]),
- ssl_test_lib:check_result(Server, {error, {tls_alert, "insufficient security"}},
- Client, {error, {tls_alert, "insufficient security"}}).
+ ssl_test_lib:check_server_alert(Server, Client, insufficient_security).
%%--------------------------------------------------------------------
@@ -4205,8 +4195,7 @@ tls_versions_option(Config) when is_list(Config) ->
{Server, _} ->
ok
end,
-
- ssl_test_lib:check_result(ErrClient, {error, {tls_alert, "protocol version"}}).
+ ssl_test_lib:check_client_alert(ErrClient, protocol_version).
%%--------------------------------------------------------------------
diff --git a/lib/ssl/test/ssl_certificate_verify_SUITE.erl b/lib/ssl/test/ssl_certificate_verify_SUITE.erl
index 588ca153a9..c0a5367a57 100644
--- a/lib/ssl/test/ssl_certificate_verify_SUITE.erl
+++ b/lib/ssl/test/ssl_certificate_verify_SUITE.erl
@@ -298,15 +298,8 @@ server_require_peer_cert_fail(Config) when is_list(Config) ->
{host, Hostname},
{from, self()},
{options, [{active, Active} | BadClientOpts]}]),
- receive
- {Server, {error, {tls_alert, "handshake failure"}}} ->
- receive
- {Client, {error, {tls_alert, "handshake failure"}}} ->
- ok;
- {Client, {error, closed}} ->
- ok
- end
- end.
+
+ ssl_test_lib:check_server_alert(Server, Client, handshake_failure).
%%--------------------------------------------------------------------
server_require_peer_cert_empty_ok() ->
@@ -365,15 +358,8 @@ server_require_peer_cert_partial_chain(Config) when is_list(Config) ->
{options, [{active, Active},
{cacerts, [RootCA]} |
proplists:delete(cacertfile, ClientOpts)]}]),
- receive
- {Server, {error, {tls_alert, "unknown ca"}}} ->
- receive
- {Client, {error, {tls_alert, "unknown ca"}}} ->
- ok;
- {Client, {error, closed}} ->
- ok
- end
- end.
+ ssl_test_lib:check_server_alert(Server, Client, unknown_ca).
+
%%--------------------------------------------------------------------
server_require_peer_cert_allow_partial_chain() ->
[{doc, "Server trusts intermediat CA and accepts a partial chain. (partial_chain option)"}].
@@ -446,17 +432,7 @@ server_require_peer_cert_do_not_allow_partial_chain(Config) when is_list(Config)
{from, self()},
{mfa, {ssl_test_lib, no_result, []}},
{options, ClientOpts}]),
-
- receive
- {Server, {error, {tls_alert, "unknown ca"}}} ->
- receive
- {Client, {error, {tls_alert, "unknown ca"}}} ->
- ok;
- {Client, {error, closed}} ->
- ok
- end
- end.
-
+ ssl_test_lib:check_server_alert(Server, Client, unknown_ca).
%%--------------------------------------------------------------------
server_require_peer_cert_partial_chain_fun_fail() ->
[{doc, "If parial_chain fun crashes, treat it as if it returned unkown_ca"}].
@@ -487,16 +463,7 @@ server_require_peer_cert_partial_chain_fun_fail(Config) when is_list(Config) ->
{from, self()},
{mfa, {ssl_test_lib, no_result, []}},
{options, ClientOpts}]),
-
- receive
- {Server, {error, {tls_alert, "unknown ca"}}} ->
- receive
- {Client, {error, {tls_alert, "unknown ca"}}} ->
- ok;
- {Client, {error, closed}} ->
- ok
- end
- end.
+ ssl_test_lib:check_server_alert(Server, Client, unknown_ca).
%%--------------------------------------------------------------------
verify_fun_always_run_client() ->
@@ -535,14 +502,8 @@ verify_fun_always_run_client(Config) when is_list(Config) ->
[{verify, verify_peer},
{verify_fun, FunAndState}
| ClientOpts]}]),
- %% Server error may be {tls_alert,"handshake failure"} or closed depending on timing
- %% this is not a bug it is a circumstance of how tcp works!
- receive
- {Server, ServerError} ->
- ct:log("Server Error ~p~n", [ServerError])
- end,
- ssl_test_lib:check_result(Client, {error, {tls_alert, "handshake failure"}}).
+ ssl_test_lib:check_client_alert(Server, Client, handshake_failure).
%%--------------------------------------------------------------------
verify_fun_always_run_server() ->
@@ -581,16 +542,8 @@ verify_fun_always_run_server(Config) when is_list(Config) ->
{mfa, {ssl_test_lib,
no_result, []}},
{options, ClientOpts}]),
-
- %% Client error may be {tls_alert, "handshake failure" } or closed depending on timing
- %% this is not a bug it is a circumstance of how tcp works!
- receive
- {Client, ClientError} ->
- ct:log("Client Error ~p~n", [ClientError])
- end,
-
- ssl_test_lib:check_result(Server, {error, {tls_alert, "handshake failure"}}).
-
+
+ ssl_test_lib:check_client_alert(Server, Client, handshake_failure).
%%--------------------------------------------------------------------
cert_expired() ->
@@ -620,8 +573,7 @@ cert_expired(Config) when is_list(Config) ->
{from, self()},
{options, [{verify, verify_peer}, {active, Active} | ClientOpts]}]),
- ssl_test_lib:check_result(Server, {error, {tls_alert, "certificate expired"}},
- Client, {error, {tls_alert, "certificate expired"}}).
+ ssl_test_lib:check_client_alert(Server, Client, certificate_expired).
two_digits_str(N) when N < 10 ->
lists:flatten(io_lib:format("0~p", [N]));
@@ -727,12 +679,8 @@ critical_extension_verify_server(Config) when is_list(Config) ->
{options, [{verify, verify_none}, {active, Active} | ClientOpts]}]),
%% This certificate has a critical extension that we don't
- %% understand. Therefore, verification should fail.
-
- ssl_test_lib:check_result(Server, {error, {tls_alert, "unsupported certificate"}},
- Client, {error, {tls_alert, "unsupported certificate"}}),
-
- ssl_test_lib:close(Server).
+ %% understand. Therefore, verification should fail.
+ ssl_test_lib:check_server_alert(Server, Client, unsupported_certificate).
%%--------------------------------------------------------------------
critical_extension_verify_client() ->
@@ -763,12 +711,7 @@ critical_extension_verify_client(Config) when is_list(Config) ->
{mfa, {ssl_test_lib, ReceiveFunction, []}},
{options, [{verify, verify_peer}, {active, Active} | ClientOpts]}]),
- %% This certificate has a critical extension that we don't
- %% understand. Therefore, verification should fail.
- ssl_test_lib:check_result(Server, {error, {tls_alert, "unsupported certificate"}},
- Client, {error, {tls_alert, "unsupported certificate"}}),
-
- ssl_test_lib:close(Server).
+ ssl_test_lib:check_client_alert(Server, Client, unsupported_certificate).
%%--------------------------------------------------------------------
critical_extension_verify_none() ->
@@ -908,10 +851,7 @@ invalid_signature_server(Config) when is_list(Config) ->
{host, Hostname},
{from, self()},
{options, [{verify, verify_peer} | ClientOpts]}]),
-
- ssl_test_lib:check_result(Server, {error, {tls_alert, "unknown ca"}},
- Client, {error, {tls_alert, "unknown ca"}}).
-
+ ssl_test_lib:check_server_alert(Server, Client, unknown_ca).
%%--------------------------------------------------------------------
invalid_signature_client() ->
@@ -946,9 +886,7 @@ invalid_signature_client(Config) when is_list(Config) ->
{from, self()},
{options, NewClientOpts}]),
- ssl_test_lib:check_result(Server, {error, {tls_alert, "unknown ca"}},
- Client, {error, {tls_alert, "unknown ca"}}).
-
+ ssl_test_lib:check_client_alert(Server, Client, unknown_ca).
%%--------------------------------------------------------------------
@@ -1034,16 +972,7 @@ unknown_server_ca_fail(Config) when is_list(Config) ->
[{verify, verify_peer},
{verify_fun, FunAndState}
| ClientOpts]}]),
- receive
- {Client, {error, {tls_alert, "unknown ca"}}} ->
- receive
- {Server, {error, {tls_alert, "unknown ca"}}} ->
- ok;
- {Server, {error, closed}} ->
- ok
- end
- end.
-
+ ssl_test_lib:check_client_alert(Server, Client, unknown_ca).
%%--------------------------------------------------------------------
unknown_server_ca_accept_verify_none() ->
@@ -1193,11 +1122,7 @@ customize_hostname_check(Config) when is_list(Config) ->
{mfa, {ssl_test_lib, no_result, []}},
{options, ClientOpts}
]),
- ssl_test_lib:check_result(Client1, {error, {tls_alert, "handshake failure"}},
- Server, {error, {tls_alert, "handshake failure"}}),
-
- ssl_test_lib:close(Server),
- ssl_test_lib:close(Client).
+ ssl_test_lib:check_client_alert(Server, Client1, handshake_failure).
incomplete_chain() ->
[{doc,"Test option verify_peer"}].
diff --git a/lib/ssl/test/ssl_crl_SUITE.erl b/lib/ssl/test/ssl_crl_SUITE.erl
index c61039b5da..b2fd3874a8 100644
--- a/lib/ssl/test/ssl_crl_SUITE.erl
+++ b/lib/ssl/test/ssl_crl_SUITE.erl
@@ -238,7 +238,7 @@ crl_verify_revoked(Config) when is_list(Config) ->
end,
crl_verify_error(Hostname, ServerNode, ServerOpts, ClientNode, ClientOpts,
- "certificate revoked").
+ certificate_revoked).
crl_verify_no_crl() ->
[{doc,"Verify a simple CRL chain when the CRL is missing"}].
@@ -277,10 +277,10 @@ crl_verify_no_crl(Config) when is_list(Config) ->
%% The error "revocation status undetermined" gets turned
%% into "bad certificate".
crl_verify_error(Hostname, ServerNode, ServerOpts, ClientNode, ClientOpts,
- "bad certificate");
+ bad_certificate);
peer ->
crl_verify_error(Hostname, ServerNode, ServerOpts, ClientNode, ClientOpts,
- "bad certificate");
+ bad_certificate);
best_effort ->
%% In "best effort" mode, we consider the certificate not
%% to be revoked if we can't find the appropriate CRL.
@@ -341,7 +341,7 @@ crl_hash_dir_collision(Config) when is_list(Config) ->
%% First certificate revoked; first fails, second succeeds.
crl_verify_error(Hostname, ServerNode, ServerOpts1, ClientNode, ClientOpts,
- "certificate revoked"),
+ certificate_revoked),
crl_verify_valid(Hostname, ServerNode, ServerOpts2, ClientNode, ClientOpts),
make_certs:revoke(PrivDir, CA2, "collision-client-2", CertsConfig),
@@ -352,9 +352,9 @@ crl_hash_dir_collision(Config) when is_list(Config) ->
%% Second certificate revoked; both fail.
crl_verify_error(Hostname, ServerNode, ServerOpts1, ClientNode, ClientOpts,
- "certificate revoked"),
+ certificate_revoked),
crl_verify_error(Hostname, ServerNode, ServerOpts2, ClientNode, ClientOpts,
- "certificate revoked"),
+ certificate_revoked),
ok.
@@ -400,10 +400,10 @@ crl_hash_dir_expired(Config) when is_list(Config) ->
%% The error "revocation status undetermined" gets turned
%% into "bad certificate".
crl_verify_error(Hostname, ServerNode, ServerOpts, ClientNode, ClientOpts,
- "bad certificate");
+ bad_certificate);
peer ->
crl_verify_error(Hostname, ServerNode, ServerOpts, ClientNode, ClientOpts,
- "bad certificate");
+ bad_certificate);
best_effort ->
%% In "best effort" mode, we consider the certificate not
%% to be revoked if we can't find the appropriate CRL.
@@ -451,11 +451,8 @@ crl_verify_error(Hostname, ServerNode, ServerOpts, ClientNode, ClientOpts, Expec
{host, Hostname},
{from, self()},
{options, ClientOpts}]),
- receive
- {Server, AlertOrClose} ->
- ct:pal("Server Alert or Close ~p", [AlertOrClose])
- end,
- ssl_test_lib:check_result(Client, {error, {tls_alert, ExpectedAlert}}).
+
+ ssl_test_lib:check_client_alert(Server, Client, ExpectedAlert).
%%--------------------------------------------------------------------
%% Internal functions ------------------------------------------------
diff --git a/lib/ssl/test/ssl_sni_SUITE.erl b/lib/ssl/test/ssl_sni_SUITE.erl
index 251b6a2639..7629d75100 100644
--- a/lib/ssl/test/ssl_sni_SUITE.erl
+++ b/lib/ssl/test/ssl_sni_SUITE.erl
@@ -236,8 +236,8 @@ dns_name_reuse(Config) ->
{mfa, {ssl_test_lib, session_info_result, []}},
{from, self()}, {options, [{verify, verify_peer} | ClientConf]}]),
- ssl_test_lib:check_result(Client1, {error, {tls_alert, "handshake failure"}}),
- ssl_test_lib:close(Client0).
+ ssl_test_lib:check_client_alert(Client1, handshake_failure).
+
%%--------------------------------------------------------------------
%% Internal Functions ------------------------------------------------
%%--------------------------------------------------------------------
@@ -370,8 +370,8 @@ unsuccessfull_connect(ServerOptions, ClientOptions, Hostname0, Config) ->
{from, self()},
{options, ClientOptions}]),
- ssl_test_lib:check_result(Server, {error, {tls_alert, "handshake failure"}},
- Client, {error, {tls_alert, "handshake failure"}}).
+ ssl_test_lib:check_server_alert(Server, Client, handshake_failure).
+
host_name(undefined, Hostname) ->
Hostname;
host_name(Hostname, _) ->
diff --git a/lib/ssl/test/ssl_test_lib.erl b/lib/ssl/test/ssl_test_lib.erl
index 3eb505de1d..d51fa9d64f 100644
--- a/lib/ssl/test/ssl_test_lib.erl
+++ b/lib/ssl/test/ssl_test_lib.erl
@@ -438,6 +438,37 @@ check_result(Pid, Msg) ->
{got, Unexpected}},
ct:fail(Reason)
end.
+check_server_alert(Pid, Alert) ->
+ receive
+ {Pid, {error, {tls_alert, {Alert, _}}}} ->
+ ok
+ end.
+check_server_alert(Server, Client, Alert) ->
+ receive
+ {Server, {error, {tls_alert, {Alert, _}}}} ->
+ receive
+ {Client, {error, {tls_alert, {Alert, _}}}} ->
+ ok;
+ {Client, {error, closed}} ->
+ ok
+ end
+ end.
+check_client_alert(Pid, Alert) ->
+ receive
+ {Pid, {error, {tls_alert, {Alert, _}}}} ->
+ ok
+ end.
+check_client_alert(Server, Client, Alert) ->
+ receive
+ {Client, {error, {tls_alert, {Alert, _}}}} ->
+ receive
+ {Server, {error, {tls_alert, {Alert, _}}}} ->
+ ok;
+ {Server, {error, closed}} ->
+ ok
+ end
+ end.
+
wait_for_result(Server, ServerMsg, Client, ClientMsg) ->
receive
@@ -1072,8 +1103,7 @@ ecc_test(Expect, COpts, SOpts, CECCOpts, SECCOpts, Config) ->
ecc_test_error(COpts, SOpts, CECCOpts, SECCOpts, Config) ->
{Server, Port} = start_server_ecc_error(erlang, SOpts, SECCOpts, Config),
Client = start_client_ecc_error(erlang, Port, COpts, CECCOpts, Config),
- Error = {error, {tls_alert, "insufficient security"}},
- check_result(Server, Error, Client, Error).
+ check_server_alert(Server, Client, insufficient_security).
start_client(openssl, Port, ClientOpts, Config) ->
Cert = proplists:get_value(certfile, ClientOpts),
diff --git a/lib/ssl/test/ssl_to_openssl_SUITE.erl b/lib/ssl/test/ssl_to_openssl_SUITE.erl
index d180021439..87a1edfd96 100644
--- a/lib/ssl/test/ssl_to_openssl_SUITE.erl
+++ b/lib/ssl/test/ssl_to_openssl_SUITE.erl
@@ -1249,7 +1249,7 @@ ssl2_erlang_server_openssl_client(Config) when is_list(Config) ->
ct:log("Ports ~p~n", [[erlang:port_info(P) || P <- erlang:ports()]]),
ssl_test_lib:consume_port_exit(OpenSslPort),
- ssl_test_lib:check_result(Server, {error, {tls_alert, "bad record mac"}}),
+ ssl_test_lib:check_server_alert(Server, bad_record_mac),
process_flag(trap_exit, false).
%%--------------------------------------------------------------------