diff options
Diffstat (limited to 'lib/diameter')
| -rw-r--r-- | lib/diameter/test/diameter_capx_SUITE.erl | 432 | ||||
| -rw-r--r-- | lib/diameter/test/modules.mk | 1 |
2 files changed, 433 insertions, 0 deletions
diff --git a/lib/diameter/test/diameter_capx_SUITE.erl b/lib/diameter/test/diameter_capx_SUITE.erl new file mode 100644 index 0000000000..e6b1558bf6 --- /dev/null +++ b/lib/diameter/test/diameter_capx_SUITE.erl @@ -0,0 +1,432 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2010-2011. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%% +%% Tests of capabilities exchange between Diameter nodes. In +%% particular, of error and event handling. +%% + +-module(diameter_capx_SUITE). + +-export([suite/0, + all/0, + groups/0, + init_per_group/2, + end_per_group/2, + init_per_testcase/2, + end_per_testcase/2]). + +%% testcases +-export([start/1, + start_services/1, + add_listeners/1, + s_no_common_application/1, + c_no_common_application/1, + s_no_common_security/1, + c_no_common_security/1, + s_unknown_peer/1, + c_unknown_peer/1, + s_unable/1, + c_unable/1, + s_client_reject/1, + c_client_reject/1, + remove_listeners/1, + stop_services/1, + stop/1]). + +%% diameter callbacks +-export([peer_up/4, + peer_down/4]). + +-include("diameter.hrl"). +-include("diameter_gen_base_rfc3588.hrl"). + +%% =========================================================================== + +-define(util, diameter_util). + +-define(CLIENT, client). +-define(SERVER, server). + +-define(ADDR, {127,0,0,1}). + +-define(REALM, "erlang.org"). +-define(HOST(Name), Name ++ "." ++ ?REALM). + +%% Config for diameter:start_service/2. +-define(SERVICE(Name), + [{'Origin-Realm', ?REALM}, + {'Host-IP-Address', [?ADDR]}, + {'Vendor-Id', 12345}, + {'Product-Name', "OTP/diameter"}, + {'Auth-Application-Id', [?DIAMETER_APP_ID_COMMON]}, + {'Acct-Application-Id', [?DIAMETER_APP_ID_ACCOUNTING]} + | [{application, [{alias, A}, + {dictionary, D}, + {module, [?MODULE, A]}]} + || {A,D} <- [{common, ?DIAMETER_DICT_COMMON}, + {accounting, ?DIAMETER_DICT_ACCOUNTING}]]]). + +-define(A, list_to_atom). +-define(L, atom_to_list). + +-define(event, #diameter_event). +-define(caps, #diameter_caps). +-define(packet, #diameter_packet). + +-define(cea, #diameter_base_CEA). +-define(answer_message, #'diameter_base_answer-message'). + +%% =========================================================================== + +suite() -> + [{timetrap, {seconds, 10}}]. + +all() -> + [start, start_services, add_listeners + | [{group, N} || {N, _, _} <- groups()]] + ++ [remove_listeners, stop_services, stop]. + +groups() -> + Ts = testcases(), + [{grp(P), P, Ts} || P <- [[], [parallel]]]. + +grp([]) -> + sequential; +grp([parallel = P]) -> + P. + +init_per_group(_Name, Config) -> + Config. + +end_per_group(_, _) -> + ok. + +%% Generate a unique hostname for each testcase so that watchdogs +%% don't prevent a connection from being brought up immediately. +init_per_testcase(Name, Config) -> + Uniq = ["." ++ integer_to_list(N) || N <- tuple_to_list(now())], + [{host, lists:flatten([?L(Name) | Uniq])} | Config]. + +end_per_testcase(N, _) + when N == start; + N == start_services; + N == add_listeners; + N == remove_listeners; + N == stop_services; + N == stop -> + ok; +end_per_testcase(Name, Config) -> + CRef = ?util:read_priv(Config, Name), + ok = diameter:remove_transport(?CLIENT, CRef). + +%% Testcases all come in two flavours, client and server. +testcases() -> + lists:flatmap(fun tc/1, tc()). + +tc(Name) -> + [?A([C,$_|?L(Name)]) || C <- "cs"]. + +tc() -> + [no_common_application, + no_common_security, + unknown_peer, + unable, + client_reject]. + +%% =========================================================================== +%% start/stop testcases + +start(_Config) -> + ok = diameter:start(). + +start_services(_Config) -> + ok = diameter:start_service(?SERVER, ?SERVICE(?SERVER)), + ok = diameter:start_service(?CLIENT, ?SERVICE(?CLIENT)). + +%% One server that responds only to base accounting, one that responds +%% to both this and the common application. Share a common service just +%% to simplify config, and because we can. +add_listeners(Config) -> + Acct = listen(?SERVER, + [{capabilities, [{'Origin-Host', ?HOST("acct-srv")}, + {'Auth-Application-Id', []}]}, + {applications, [accounting]}, + {capabilities_cb, [fun server_capx/3, acct]}]), + Base = listen(?SERVER, + [{capabilities, [{'Origin-Host', ?HOST("base-srv")}]}, + {capabilities_cb, [fun server_capx/3, base]}]), + ?util:write_priv(Config, ?MODULE, {Base, Acct}). %% lref/2 reads + +remove_listeners(_Config) -> + ok = diameter:remove_transport(?SERVER, true). + +stop_services(_Config) -> + ok = diameter:stop_service(?CLIENT), + ok = diameter:stop_service(?SERVER). + +stop(_Config) -> + ok = diameter:stop(). + +%% =========================================================================== +%% All the testcases come in pairs, one for receiving an event on the +%% client side, one on the server side. Note that testcases will +%% receive events resulting from other testcases when running in +%% parallel since the events are per service. The unique client +%% Origin-Host for each testcase plus transport references are used to +%% ensure that only the relevant event is extracted from the mailbox. +%% Don't bother extracting events that aren't relevant. + +%% ==================== +%% Ask the accounting server to speak the common application and expect +%% DIAMETER_NO_COMMON_APPLICATION = 5010. + +s_no_common_application(Config) -> + server_closed(Config, fun no_common_application/1, 5010). + +c_no_common_application(Config) -> + client_closed(Config, "acct-srv", fun no_common_application/1, 5010). + +no_common_application(Config) -> + connect(Config, acct, [{capabilities, [{'Acct-Application-Id', []}]}, + {applications, [common]}]). + +%% ==================== +%% Ask the base server to speak accounting with an unknown security +%% method and expect DIAMETER_NO_COMMON_SECURITY = 5017. + +s_no_common_security(Config) -> + server_closed(Config, fun no_common_security/1, 5017). + +c_no_common_security(Config) -> + client_closed(Config, "base-srv", fun no_common_security/1, 5017). + +no_common_security(Config) -> + connect(Config, base, [{capabilities, [{'Acct-Application-Id', []}, + {'Inband-Security-Id', [17, 18]}]}, + {applications, [common]}]). + +%% ==================== +%% Have the base server reject a decent CER with the protocol error +%% DIAMETER_UNKNOWN_PEER = 3010. + +s_unknown_peer(Config) -> + server_reject(Config, fun base/1, 3010). + +c_unknown_peer(Config) -> + true = diameter:subscribe(?CLIENT), + OH = ?HOST("base-srv"), + + {CRef, _} = base(Config), + + {'CEA', ?caps{}, + ?packet{msg = ?answer_message{'Origin-Host' = OH, + 'Result-Code' = 3010}}} + = client_recv(CRef). + +base(Config) -> + connect(Config, base, []). + +%% ==================== +%% Have the base server reject a decent CER with the non-protocol +%% error DIAMETER_UNABLE_TO_COMPLY = 5012. + +s_unable(Config) -> + server_reject(Config, fun base/1, 5012). + +c_unable(Config) -> + client_closed(Config, "base-srv", fun base/1, 5012). + +%% ==================== +%% Have the client reject a decent CEA. + +s_client_reject(Config) -> + true = diameter:subscribe(?SERVER), + OH = host(Config), + + {_, LRef} = client_reject(Config), + + receive + ?event{service = ?SERVER, + info = {up, LRef, + {_, ?caps{origin_host = {_, OH}}}, + {listen, _}, + ?packet{}}} + = Info -> + Info + after 2000 -> + fail({LRef, OH}) + end. + +c_client_reject(Config) -> + true = diameter:subscribe(?CLIENT), + OH = ?HOST("acct-srv"), + + {CRef, _} = client_reject(Config), + + {'CEA', {capabilities_cb, _, discard}, + ?caps{origin_host = {_, OH}}, + ?packet{msg = ?cea{'Result-Code' = 2001}}} + = client_recv(CRef). + +client_reject(Config) -> + connect(Config, acct, [{capabilities_cb, fun client_capx/2}]). + +%% =========================================================================== + +%% server_closed/3 + +server_closed(Config, F, RC) -> + true = diameter:subscribe(?SERVER), + OH = host(Config), + + {_, LRef} = F(Config), + + receive + ?event{service = ?SERVER, + info = {closed, LRef, + {'CER', RC, + ?caps{origin_host = {_, OH}}, + ?packet{}} + = Reason, + {listen, _}}} -> + Reason + after 2000 -> + fail({LRef, OH}) + end. + +%% server_reject/3 + +server_reject(Config, F, RC) -> + true = diameter:subscribe(?SERVER), + OH = host(Config), + + {_, LRef} = F(Config), + + receive + ?event{service = ?SERVER, + info = {closed, LRef, + {'CER', {capabilities_cb, _, RC}, + ?caps{origin_host = {_, OH}}, + ?packet{}} + = Reason, + {listen, _}}} -> + Reason + after 2000 -> + fail({LRef, OH}) + end. + +%% cliient_closed/4 + +client_closed(Config, Host, F, RC) -> + true = diameter:subscribe(?CLIENT), + OH = ?HOST(Host), + + {CRef, _} = F(Config), + + {'CEA', RC, ?caps{origin_host = {_, OH}}, ?packet{}} + = client_recv(CRef). + +%% client_recv/1 + +client_recv(CRef) -> + receive + ?event{service = ?CLIENT, + info = {closed, CRef, Reason, {connect, _}}} -> + Reason + after 2000 -> + fail(CRef) + end. + +%% server_capx/3 + +server_capx(_, ?caps{origin_host = {_, [_,$_|"unknown_peer." ++ _]}}, _) -> + unknown; + +server_capx(_, ?caps{origin_host = {_, [_,$_|"unable." ++ _]}}, _) -> + 5012; %% DIAMETER_UNABLE_TO_COMPLY + +server_capx(_, ?caps{origin_host = {OH,DH}}, _) -> + io:format("connection: ~p -> ~p~n", [DH,OH]), + ok. + +%% client_capx/2 + +client_capx(_, ?caps{origin_host = {[_,$_|"client_reject." ++ _], _}}) -> + discard. + +%% =========================================================================== + +fail(T) -> + erlang:error({T, process_info(self(), messages)}). + +host(Config) -> + {_, H} = lists:keyfind(host, 1, Config), + ?HOST(H). + +listen(Name, Opts) -> + ?util:listen(Name, tcp, Opts). + +connect(Config, T, Opts) -> + {_, H} = lists:keyfind(host, 1, Config), + LRef = lref(Config, T), + CRef = connect(LRef, [{capabilities, [{'Origin-Host', ?HOST(H)}]} + | Opts]), + Name = lists:takewhile(fun(C) -> C /= $. end, H), + ?util:write_priv(Config, Name, CRef), %% end_per_testcase reads + {CRef, LRef}. + +connect(LRef, Opts) -> + [PortNr] = ?util:lport(tcp, LRef, 20), + {ok, CRef} = diameter:add_transport(?CLIENT, + {connect, opts(PortNr, Opts)}), + CRef. + +opts(PortNr, Opts) -> + [{transport_module, diameter_tcp}, + {transport_config, [{raddr, ?ADDR}, + {rport, PortNr}, + {ip, ?ADDR}, + {port, 0}]} + | Opts]. + +lref(Config, T) -> + case ?util:read_priv(Config, ?MODULE) of + {LRef, _} when T == base -> + LRef; + {_, LRef} when T == acct -> + LRef + end. + +%% =========================================================================== +%% diameter callbacks + +peer_up(?SERVER, + {_, ?caps{origin_host = {"acct-srv." ++ _, + [_,$_|"client_reject." ++ _]}}}, + State, + _) -> + State. + +peer_down(?SERVER, + {_, ?caps{origin_host = {"acct-srv." ++ _, + [_,$_|"client_reject." ++ _]}}}, + State, + _) -> + State. diff --git a/lib/diameter/test/modules.mk b/lib/diameter/test/modules.mk index 75fdd0bd1d..f88258c232 100644 --- a/lib/diameter/test/modules.mk +++ b/lib/diameter/test/modules.mk @@ -33,6 +33,7 @@ MODULES = \ diameter_stats_SUITE \ diameter_watchdog_SUITE \ diameter_transport_SUITE \ + diameter_capx_SUITE \ diameter_traffic_SUITE \ diameter_relay_SUITE \ diameter_tls_SUITE \ |