diff options
Diffstat (limited to 'lib/ssl/test/ssl_test_lib.erl')
-rw-r--r-- | lib/ssl/test/ssl_test_lib.erl | 286 |
1 files changed, 217 insertions, 69 deletions
diff --git a/lib/ssl/test/ssl_test_lib.erl b/lib/ssl/test/ssl_test_lib.erl index d655d7659e..a8ff5187b6 100644 --- a/lib/ssl/test/ssl_test_lib.erl +++ b/lib/ssl/test/ssl_test_lib.erl @@ -59,7 +59,7 @@ run_server(Opts) -> Options = proplists:get_value(options, Opts), Pid = proplists:get_value(from, Opts), Transport = proplists:get_value(transport, Opts, ssl), - ct:print("ssl:listen(~p, ~p)~n", [Port, Options]), + ct:log("ssl:listen(~p, ~p)~n", [Port, Options]), {ok, ListenSocket} = rpc:call(Node, Transport, listen, [Port, Options]), Pid ! {listen, up}, send_selected_port(Pid, Port, ListenSocket), @@ -77,13 +77,13 @@ do_run_server(ListenSocket, AcceptSocket, Opts) -> Pid = proplists:get_value(from, Opts), Transport = proplists:get_value(transport, Opts, ssl), {Module, Function, Args} = proplists:get_value(mfa, Opts), - ct:print("Server: apply(~p,~p,~p)~n", + ct:log("Server: apply(~p,~p,~p)~n", [Module, Function, [AcceptSocket | Args]]), case rpc:call(Node, Module, Function, [AcceptSocket | Args]) of no_result_msg -> ok; Msg -> - ct:print("Server Msg: ~p ~n", [Msg]), + ct:log("Server Msg: ~p ~n", [Msg]), Pid ! {self(), Msg} end, receive @@ -92,10 +92,10 @@ do_run_server(ListenSocket, AcceptSocket, Opts) -> {listen, MFA} -> run_server(ListenSocket, [MFA | proplists:delete(mfa, Opts)]); close -> - ct:print("Server closing ~p ~n", [self()]), + ct:log("Server closing ~p ~n", [self()]), Result = rpc:call(Node, Transport, close, [AcceptSocket], 500), Result1 = rpc:call(Node, Transport, close, [ListenSocket], 500), - ct:print("Result ~p : ~p ~n", [Result, Result1]); + ct:log("Result ~p : ~p ~n", [Result, Result1]); {ssl_closed, _} -> ok end. @@ -115,7 +115,7 @@ connect(#sslsocket{} = ListenSocket, Opts) -> end; connect(ListenSocket, Opts) -> Node = proplists:get_value(node, Opts), - ct:print("gen_tcp:accept(~p)~n", [ListenSocket]), + ct:log("gen_tcp:accept(~p)~n", [ListenSocket]), {ok, AcceptSocket} = rpc:call(Node, gen_tcp, accept, [ListenSocket]), AcceptSocket. @@ -123,10 +123,10 @@ connect(ListenSocket, Opts) -> connect(_, _, 0, AcceptSocket, _) -> AcceptSocket; connect(ListenSocket, Node, N, _, Timeout) -> - ct:print("ssl:transport_accept(~p)~n", [ListenSocket]), + ct:log("ssl:transport_accept(~p)~n", [ListenSocket]), {ok, AcceptSocket} = rpc:call(Node, ssl, transport_accept, [ListenSocket]), - ct:print("ssl:ssl_accept(~p, ~p)~n", [AcceptSocket, Timeout]), + ct:log("ssl:ssl_accept(~p, ~p)~n", [AcceptSocket, Timeout]), case rpc:call(Node, ssl, ssl_accept, [AcceptSocket, Timeout]) of ok -> @@ -161,27 +161,27 @@ run_client(Opts) -> Pid = proplists:get_value(from, Opts), Transport = proplists:get_value(transport, Opts, ssl), Options = proplists:get_value(options, Opts), - ct:print("ssl:connect(~p, ~p, ~p)~n", [Host, Port, Options]), + ct:log("ssl:connect(~p, ~p, ~p)~n", [Host, Port, Options]), case rpc:call(Node, Transport, connect, [Host, Port, Options]) of {ok, Socket} -> Pid ! { connected, Socket }, - ct:print("Client: connected~n", []), + ct:log("Client: connected~n", []), %% In special cases we want to know the client port, it will %% be indicated by sending {port, 0} in options list! send_selected_port(Pid, proplists:get_value(port, Options), Socket), {Module, Function, Args} = proplists:get_value(mfa, Opts), - ct:print("Client: apply(~p,~p,~p)~n", + ct:log("Client: apply(~p,~p,~p)~n", [Module, Function, [Socket | Args]]), case rpc:call(Node, Module, Function, [Socket | Args]) of no_result_msg -> ok; Msg -> - ct:print("Client Msg: ~p ~n", [Msg]), + ct:log("Client Msg: ~p ~n", [Msg]), Pid ! {self(), Msg} end, receive close -> - ct:print("Client closing~n", []), + ct:log("Client closing~n", []), rpc:call(Node, Transport, close, [Socket]); {ssl_closed, Socket} -> ok; @@ -189,18 +189,18 @@ run_client(Opts) -> ok end; {error, Reason} -> - ct:print("Client: connection failed: ~p ~n", [Reason]), + ct:log("Client: connection failed: ~p ~n", [Reason]), Pid ! {self(), {error, Reason}} end. close(Pid) -> - ct:print("Close ~p ~n", [Pid]), + ct:log("Close ~p ~n", [Pid]), Monitor = erlang:monitor(process, Pid), Pid ! close, receive {'DOWN', Monitor, process, Pid, Reason} -> erlang:demonitor(Monitor), - ct:print("Pid: ~p down due to:~p ~n", [Pid, Reason]) + ct:log("Pid: ~p down due to:~p ~n", [Pid, Reason]) end. check_result(Server, ServerMsg, Client, ClientMsg) -> @@ -339,12 +339,22 @@ cert_options(Config) -> {psk_identity, "HINT"}, {user_lookup_fun, {fun user_lookup/3, PskSharedSecret}}, {ciphers, psk_suites()}]}, + {server_psk_anon, [{ssl_imp, new},{reuseaddr, true}, + {user_lookup_fun, {fun user_lookup/3, PskSharedSecret}}, + {ciphers, psk_anon_suites()}]}, + {server_psk_anon_hint, [{ssl_imp, new},{reuseaddr, true}, + {psk_identity, "HINT"}, + {user_lookup_fun, {fun user_lookup/3, PskSharedSecret}}, + {ciphers, psk_anon_suites()}]}, {client_srp, [{ssl_imp, new},{reuseaddr, true}, {srp_identity, {"Test-User", "secret"}}]}, {server_srp, [{ssl_imp, new},{reuseaddr, true}, {certfile, ServerCertFile}, {keyfile, ServerKeyFile}, {user_lookup_fun, {fun user_lookup/3, undefined}}, {ciphers, srp_suites()}]}, + {server_srp_anon, [{ssl_imp, new},{reuseaddr, true}, + {user_lookup_fun, {fun user_lookup/3, undefined}}, + {ciphers, srp_anon_suites()}]}, {server_verification_opts, [{ssl_imp, new},{reuseaddr, true}, {cacertfile, ServerCaCertFile}, {certfile, ServerCertFile}, {keyfile, ServerKeyFile}]}, @@ -394,6 +404,49 @@ make_dsa_cert(Config) -> {certfile, ClientCertFile}, {keyfile, ClientKeyFile}]} | Config]. +make_ecdsa_cert(Config) -> + case proplists:get_bool(ec, crypto:algorithms()) of + true -> + {ServerCaCertFile, ServerCertFile, ServerKeyFile} = make_cert_files("server", Config, ec, ec, ""), + {ClientCaCertFile, ClientCertFile, ClientKeyFile} = make_cert_files("client", Config, ec, ec, ""), + [{server_ecdsa_opts, [{ssl_imp, new},{reuseaddr, true}, + {cacertfile, ServerCaCertFile}, + {certfile, ServerCertFile}, {keyfile, ServerKeyFile}]}, + {server_ecdsa_verify_opts, [{ssl_imp, new},{reuseaddr, true}, + {cacertfile, ClientCaCertFile}, + {certfile, ServerCertFile}, {keyfile, ServerKeyFile}, + {verify, verify_peer}]}, + {client_ecdsa_opts, [{ssl_imp, new},{reuseaddr, true}, + {cacertfile, ClientCaCertFile}, + {certfile, ClientCertFile}, {keyfile, ClientKeyFile}]} + | Config]; + _ -> + Config + end. + +%% RFC 4492, Sect. 2.3. ECDH_RSA +%% +%% This key exchange algorithm is the same as ECDH_ECDSA except that the +%% server's certificate MUST be signed with RSA rather than ECDSA. +make_ecdh_rsa_cert(Config) -> + case proplists:get_bool(ec, crypto:algorithms()) of + true -> + {ServerCaCertFile, ServerCertFile, ServerKeyFile} = make_cert_files("server", Config, rsa, ec, "rsa_"), + {ClientCaCertFile, ClientCertFile, ClientKeyFile} = make_cert_files("client", Config, rsa, ec, "rsa_"), + [{server_ecdh_rsa_opts, [{ssl_imp, new},{reuseaddr, true}, + {cacertfile, ServerCaCertFile}, + {certfile, ServerCertFile}, {keyfile, ServerKeyFile}]}, + {server_ecdh_rsa_verify_opts, [{ssl_imp, new},{reuseaddr, true}, + {cacertfile, ClientCaCertFile}, + {certfile, ServerCertFile}, {keyfile, ServerKeyFile}, + {verify, verify_peer}]}, + {client_ecdh_rsa_opts, [{ssl_imp, new},{reuseaddr, true}, + {cacertfile, ClientCaCertFile}, + {certfile, ClientCertFile}, {keyfile, ClientKeyFile}]} + | Config]; + _ -> + Config + end. make_mix_cert(Config) -> {ServerCaCertFile, ServerCertFile, ServerKeyFile} = make_cert_files("server", Config, dsa, @@ -445,33 +498,33 @@ run_upgrade_server(Opts) -> SslOptions = proplists:get_value(ssl_options, Opts), Pid = proplists:get_value(from, Opts), - ct:print("gen_tcp:listen(~p, ~p)~n", [Port, TcpOptions]), + ct:log("gen_tcp:listen(~p, ~p)~n", [Port, TcpOptions]), {ok, ListenSocket} = rpc:call(Node, gen_tcp, listen, [Port, TcpOptions]), Pid ! {listen, up}, send_selected_port(Pid, Port, ListenSocket), - ct:print("gen_tcp:accept(~p)~n", [ListenSocket]), + ct:log("gen_tcp:accept(~p)~n", [ListenSocket]), {ok, AcceptSocket} = rpc:call(Node, gen_tcp, accept, [ListenSocket]), try {ok, SslAcceptSocket} = case TimeOut of infinity -> - ct:print("ssl:ssl_accept(~p, ~p)~n", + ct:log("ssl:ssl_accept(~p, ~p)~n", [AcceptSocket, SslOptions]), rpc:call(Node, ssl, ssl_accept, [AcceptSocket, SslOptions]); _ -> - ct:print("ssl:ssl_accept(~p, ~p, ~p)~n", + ct:log("ssl:ssl_accept(~p, ~p, ~p)~n", [AcceptSocket, SslOptions, TimeOut]), rpc:call(Node, ssl, ssl_accept, [AcceptSocket, SslOptions, TimeOut]) end, {Module, Function, Args} = proplists:get_value(mfa, Opts), Msg = rpc:call(Node, Module, Function, [SslAcceptSocket | Args]), - ct:print("Upgrade Server Msg: ~p ~n", [Msg]), + ct:log("Upgrade Server Msg: ~p ~n", [Msg]), Pid ! {self(), Msg}, receive close -> - ct:print("Upgrade Server closing~n", []), + ct:log("Upgrade Server closing~n", []), rpc:call(Node, ssl, close, [SslAcceptSocket]) end catch error:{badmatch, Error} -> @@ -489,24 +542,24 @@ run_upgrade_client(Opts) -> TcpOptions = proplists:get_value(tcp_options, Opts), SslOptions = proplists:get_value(ssl_options, Opts), - ct:print("gen_tcp:connect(~p, ~p, ~p)~n", + ct:log("gen_tcp:connect(~p, ~p, ~p)~n", [Host, Port, TcpOptions]), {ok, Socket} = rpc:call(Node, gen_tcp, connect, [Host, Port, TcpOptions]), send_selected_port(Pid, Port, Socket), - ct:print("ssl:connect(~p, ~p)~n", [Socket, SslOptions]), + ct:log("ssl:connect(~p, ~p)~n", [Socket, SslOptions]), {ok, SslSocket} = rpc:call(Node, ssl, connect, [Socket, SslOptions]), {Module, Function, Args} = proplists:get_value(mfa, Opts), - ct:print("apply(~p, ~p, ~p)~n", + ct:log("apply(~p, ~p, ~p)~n", [Module, Function, [SslSocket | Args]]), Msg = rpc:call(Node, Module, Function, [SslSocket | Args]), - ct:print("Upgrade Client Msg: ~p ~n", [Msg]), + ct:log("Upgrade Client Msg: ~p ~n", [Msg]), Pid ! {self(), Msg}, receive close -> - ct:print("Upgrade Client closing~n", []), + ct:log("Upgrade Client closing~n", []), rpc:call(Node, ssl, close, [SslSocket]) end. @@ -525,20 +578,20 @@ run_upgrade_server_error(Opts) -> SslOptions = proplists:get_value(ssl_options, Opts), Pid = proplists:get_value(from, Opts), - ct:print("gen_tcp:listen(~p, ~p)~n", [Port, TcpOptions]), + ct:log("gen_tcp:listen(~p, ~p)~n", [Port, TcpOptions]), {ok, ListenSocket} = rpc:call(Node, gen_tcp, listen, [Port, TcpOptions]), Pid ! {listen, up}, send_selected_port(Pid, Port, ListenSocket), - ct:print("gen_tcp:accept(~p)~n", [ListenSocket]), + ct:log("gen_tcp:accept(~p)~n", [ListenSocket]), {ok, AcceptSocket} = rpc:call(Node, gen_tcp, accept, [ListenSocket]), Error = case TimeOut of infinity -> - ct:print("ssl:ssl_accept(~p, ~p)~n", + ct:log("ssl:ssl_accept(~p, ~p)~n", [AcceptSocket, SslOptions]), rpc:call(Node, ssl, ssl_accept, [AcceptSocket, SslOptions]); _ -> - ct:print("ssl:ssl_accept(~p, ~p, ~p)~n", + ct:log("ssl:ssl_accept(~p, ~p, ~p)~n", [AcceptSocket, SslOptions, TimeOut]), rpc:call(Node, ssl, ssl_accept, [AcceptSocket, SslOptions, TimeOut]) @@ -558,26 +611,26 @@ run_server_error(Opts) -> Options = proplists:get_value(options, Opts), Pid = proplists:get_value(from, Opts), Transport = proplists:get_value(transport, Opts, ssl), - ct:print("ssl:listen(~p, ~p)~n", [Port, Options]), + ct:log("ssl:listen(~p, ~p)~n", [Port, Options]), case rpc:call(Node, Transport, listen, [Port, Options]) of {ok, #sslsocket{} = ListenSocket} -> %% To make sure error_client will %% get {error, closed} and not {error, connection_refused} Pid ! {listen, up}, send_selected_port(Pid, Port, ListenSocket), - ct:print("ssl:transport_accept(~p)~n", [ListenSocket]), + ct:log("ssl:transport_accept(~p)~n", [ListenSocket]), case rpc:call(Node, Transport, transport_accept, [ListenSocket]) of {error, _} = Error -> Pid ! {self(), Error}; {ok, AcceptSocket} -> - ct:print("ssl:ssl_accept(~p)~n", [AcceptSocket]), + ct:log("ssl:ssl_accept(~p)~n", [AcceptSocket]), Error = rpc:call(Node, ssl, ssl_accept, [AcceptSocket]), Pid ! {self(), Error} end; {ok, ListenSocket} -> Pid ! {listen, up}, send_selected_port(Pid, Port, ListenSocket), - ct:print("~p:accept(~p)~n", [Transport, ListenSocket]), + ct:log("~p:accept(~p)~n", [Transport, ListenSocket]), case rpc:call(Node, Transport, accept, [ListenSocket]) of {error, _} = Error -> Pid ! {self(), Error} @@ -599,7 +652,7 @@ run_client_error(Opts) -> Pid = proplists:get_value(from, Opts), Transport = proplists:get_value(transport, Opts, ssl), Options = proplists:get_value(options, Opts), - ct:print("ssl:connect(~p, ~p, ~p)~n", [Host, Port, Options]), + ct:log("ssl:connect(~p, ~p, ~p)~n", [Host, Port, Options]), Error = rpc:call(Node, Transport, connect, [Host, Port, Options]), Pid ! {self(), Error}. @@ -656,11 +709,16 @@ send_selected_port(Pid, 0, Socket) -> send_selected_port(_,_,_) -> ok. -rsa_suites() -> - lists:filter(fun({dhe_dss, _, _}) -> - false; +rsa_suites(CounterPart) -> + ECC = is_sane_ecc(CounterPart), + lists:filter(fun({rsa, _, _}) -> + true; + ({dhe_rsa, _, _}) -> + true; + ({ecdhe_rsa, _, _}) when ECC == true -> + true; (_) -> - true + false end, ssl:cipher_suites()). @@ -680,17 +738,32 @@ dsa_suites() -> end, ssl:cipher_suites()). +ecdsa_suites() -> + lists:filter(fun({ecdhe_ecdsa, _, _}) -> + true; + (_) -> + false + end, + ssl:cipher_suites()). + +ecdh_rsa_suites() -> + lists:filter(fun({ecdh_rsa, _, _}) -> + true; + (_) -> + false + end, + ssl:cipher_suites()). openssl_rsa_suites() -> Ciphers = ssl:cipher_suites(openssl), lists:filter(fun(Str) -> - case re:run(Str,"DSS",[]) of + case re:run(Str,"DSS|ECDH-RSA|ECDSA",[]) of nomatch -> true; _ -> false end - end, Ciphers). + end, Ciphers). openssl_dsa_suites() -> Ciphers = ssl:cipher_suites(openssl), @@ -703,14 +776,58 @@ openssl_dsa_suites() -> end end, Ciphers). +openssl_ecdsa_suites() -> + Ciphers = ssl:cipher_suites(openssl), + lists:filter(fun(Str) -> + case re:run(Str,"ECDHE-ECDSA",[]) of + nomatch -> + false; + _ -> + true + end + end, Ciphers). + +openssl_ecdh_rsa_suites() -> + Ciphers = ssl:cipher_suites(openssl), + lists:filter(fun(Str) -> + case re:run(Str,"ECDH-RSA",[]) of + nomatch -> + false; + _ -> + true + end + end, Ciphers). + anonymous_suites() -> - [{dh_anon, rc4_128, md5}, - {dh_anon, des_cbc, sha}, - {dh_anon, '3des_ede_cbc', sha}, - {dh_anon, aes_128_cbc, sha}, - {dh_anon, aes_256_cbc, sha}]. + Suites = + [{dh_anon, rc4_128, md5}, + {dh_anon, des_cbc, sha}, + {dh_anon, '3des_ede_cbc', sha}, + {dh_anon, aes_128_cbc, sha}, + {dh_anon, aes_256_cbc, sha}, + {ecdh_anon,rc4_128,sha}, + {ecdh_anon,'3des_ede_cbc',sha}, + {ecdh_anon,aes_128_cbc,sha}, + {ecdh_anon,aes_256_cbc,sha}], + ssl_cipher:filter_suites(Suites). psk_suites() -> + Suites = + [{psk, rc4_128, sha}, + {psk, '3des_ede_cbc', sha}, + {psk, aes_128_cbc, sha}, + {psk, aes_256_cbc, sha}, + {dhe_psk, rc4_128, sha}, + {dhe_psk, '3des_ede_cbc', sha}, + {dhe_psk, aes_128_cbc, sha}, + {dhe_psk, aes_256_cbc, sha}, + {rsa_psk, rc4_128, sha}, + {rsa_psk, '3des_ede_cbc', sha}, + {rsa_psk, aes_128_cbc, sha}, + {rsa_psk, aes_256_cbc, sha}], + ssl_cipher:filter_suites(Suites). + +psk_anon_suites() -> [{psk, rc4_128, sha}, {psk, '3des_ede_cbc', sha}, {psk, aes_128_cbc, sha}, @@ -718,24 +835,29 @@ psk_suites() -> {dhe_psk, rc4_128, sha}, {dhe_psk, '3des_ede_cbc', sha}, {dhe_psk, aes_128_cbc, sha}, - {dhe_psk, aes_256_cbc, sha}, - {rsa_psk, rc4_128, sha}, - {rsa_psk, '3des_ede_cbc', sha}, - {rsa_psk, aes_128_cbc, sha}, - {rsa_psk, aes_256_cbc, sha}]. + {dhe_psk, aes_256_cbc, sha}]. srp_suites() -> + Suites = + [{srp_anon, '3des_ede_cbc', sha}, + {srp_rsa, '3des_ede_cbc', sha}, + {srp_anon, aes_128_cbc, sha}, + {srp_rsa, aes_128_cbc, sha}, + {srp_anon, aes_256_cbc, sha}, + {srp_rsa, aes_256_cbc, sha}], + ssl_cipher:filter_suites(Suites). + +srp_anon_suites() -> [{srp_anon, '3des_ede_cbc', sha}, - {srp_rsa, '3des_ede_cbc', sha}, {srp_anon, aes_128_cbc, sha}, - {srp_rsa, aes_128_cbc, sha}, - {srp_anon, aes_256_cbc, sha}, - {srp_rsa, aes_256_cbc, sha}]. + {srp_anon, aes_256_cbc, sha}]. srp_dss_suites() -> - [{srp_dss, '3des_ede_cbc', sha}, - {srp_dss, aes_128_cbc, sha}, - {srp_dss, aes_256_cbc, sha}]. + Suites = + [{srp_dss, '3des_ede_cbc', sha}, + {srp_dss, aes_128_cbc, sha}, + {srp_dss, aes_256_cbc, sha}], + ssl_cipher:filter_suites(Suites). pem_to_der(File) -> {ok, PemBin} = file:read_file(File), @@ -747,7 +869,7 @@ der_to_pem(File, Entries) -> cipher_result(Socket, Result) -> Result = ssl:connection_info(Socket), - ct:print("Successfull connect: ~p~n", [Result]), + ct:log("Successfull connect: ~p~n", [Result]), %% Importante to send two packets here %% to properly test "cipher state" handling ssl:send(Socket, "Hello\n"), @@ -817,15 +939,9 @@ init_tls_version(Version) -> ssl:start(). sufficient_crypto_support('tlsv1.2') -> - Data = "Sampl", - Data2 = "e #1", - Key = <<0,1,2,3,16,17,18,19,32,33,34,35,48,49,50,51,4,5,6,7,20,21,22,23,36,37,38,39, - 52,53,54,55,8,9,10,11,24,25,26,27,40,41,42,43,56,57,58,59>>, - try - crypto:sha256_mac(Key, lists:flatten([Data, Data2])), - true - catch _:_ -> false - end; + proplists:get_bool(sha256, crypto:algorithms()); +sufficient_crypto_support(ciphers_ec) -> + proplists:get_bool(ec, crypto:algorithms()); sufficient_crypto_support(_) -> true. @@ -858,3 +974,35 @@ send_recv_result_active_once(Socket) -> {ssl, Socket, "Hello world"} -> ok end. + +is_sane_ecc(openssl) -> + case os:cmd("openssl version") of + "OpenSSL 1.0.0a" ++ _ -> % Known bug in openssl + %% manifests as SSL_CHECK_SERVERHELLO_TLSEXT:tls invalid ecpointformat list + false; + "OpenSSL 1.0.0" ++ _ -> % Known bug in openssl + %% manifests as SSL_CHECK_SERVERHELLO_TLSEXT:tls invalid ecpointformat list + false; + "OpenSSL 0.9.8" ++ _ -> % Does not support ECC + false; + "OpenSSL 0.9.7" ++ _ -> % Does not support ECC + false; + _ -> + true + end; +is_sane_ecc(_) -> + true. + +cipher_restriction(Config0) -> + case is_sane_ecc(openssl) of + false -> + Opts = proplists:get_value(server_opts, Config0), + Config1 = proplists:delete(server_opts, Config0), + VerOpts = proplists:get_value(server_verification_opts, Config1), + Config = proplists:delete(server_verification_opts, Config1), + Restricted0 = ssl:cipher_suites() -- ecdsa_suites(), + Restricted = Restricted0 -- ecdh_rsa_suites(), + [{server_opts, [{ciphers, Restricted} | Opts]}, {server_verification_opts, [{ciphers, Restricted} | VerOpts] } | Config]; + true -> + Config0 + end. |