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Diffstat (limited to 'lib/diameter/test/diameter_tls_SUITE.erl')
| -rw-r--r-- | lib/diameter/test/diameter_tls_SUITE.erl | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/lib/diameter/test/diameter_tls_SUITE.erl b/lib/diameter/test/diameter_tls_SUITE.erl new file mode 100644 index 0000000000..90e32c834f --- /dev/null +++ b/lib/diameter/test/diameter_tls_SUITE.erl @@ -0,0 +1,419 @@ +%% +%% %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 traffic between six Diameter nodes connected as follows. +%% +%% ---- SERVER.REALM1 (TLS after capabilities exchange) +%% / +%% / ---- SERVER.REALM2 (ditto) +%% | / +%% CLIENT.REALM0 ----- SERVER.REALM3 (no security) +%% | \ +%% \ ---- SERVER.REALM4 (TLS at connection establishment) +%% \ +%% ---- SERVER.REALM5 (ditto) +%% + +-module(diameter_tls_SUITE). + +-export([suite/0, + all/0, + groups/0, + init_per_group/2, + end_per_group/2, + init_per_suite/1, + end_per_suite/1]). + +%% testcases +-export([start_ssl/1, + start_diameter/1, + start_services/1, + add_transports/1, + send1/1, + send2/1, + send3/1, + send4/1, + send5/1, + remove_transports/1, + stop_services/1, + stop_diameter/1, + stop_ssl/1]). + +%% diameter callbacks +-export([peer_up/3, + peer_down/3, + pick_peer/4, + prepare_request/3, + prepare_retransmit/3, + handle_answer/4, + handle_error/4, + handle_request/3]). + +-ifdef(DIAMETER_CT). +-include("diameter_gen_base_rfc3588.hrl"). +-else. +-include_lib("diameter/include/diameter_gen_base_rfc3588.hrl"). +-endif. + +-include_lib("diameter/include/diameter.hrl"). +-include("diameter_ct.hrl"). + +%% =========================================================================== + +-define(util, diameter_util). + +-define(ADDR, {127,0,0,1}). + +-define(CLIENT, "CLIENT.REALM0"). +-define(SERVER1, "SERVER.REALM1"). +-define(SERVER2, "SERVER.REALM2"). +-define(SERVER3, "SERVER.REALM3"). +-define(SERVER4, "SERVER.REALM4"). +-define(SERVER5, "SERVER.REALM5"). + +-define(SERVERS, [?SERVER1, ?SERVER2, ?SERVER3, ?SERVER4, ?SERVER5]). + +-define(DICT_COMMON, ?DIAMETER_DICT_COMMON). + +-define(APP_ALIAS, the_app). +-define(APP_ID, ?DICT_COMMON:id()). + +-define(NO_INBAND_SECURITY, 0). +-define(TLS, 1). + +%% Config for diameter:start_service/2. +-define(SERVICE(Host, Dict), + [{'Origin-Host', Host}, + {'Origin-Realm', realm(Host)}, + {'Host-IP-Address', [?ADDR]}, + {'Vendor-Id', 12345}, + {'Product-Name', "OTP/diameter"}, + {'Inband-Security-Id', [?NO_INBAND_SECURITY]}, + {'Auth-Application-Id', [Dict:id()]}, + {application, [{alias, ?APP_ALIAS}, + {dictionary, Dict}, + {module, ?MODULE}, + {answer_errors, callback}]}]). + +%% Config for diameter:add_transport/2. In the listening case, listen +%% on a free port that we then lookup using the implementation detail +%% that diameter_tcp registers the port with diameter_reg. +-define(CONNECT(PortNr, Caps, Opts), + {connect, [{transport_module, diameter_tcp}, + {transport_config, [{raddr, ?ADDR}, + {rport, PortNr}, + {ip, ?ADDR}, + {port, 0} + | Opts]}, + {capabilities, Caps}]}). +-define(LISTEN(Caps, Opts), + {listen, [{transport_module, diameter_tcp}, + {transport_config, [{ip, ?ADDR}, {port, 0} | Opts]}, + {capabilities, Caps}]}). + +-define(SUCCESS, 2001). +-define(LOGOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_LOGOUT'). + +%% =========================================================================== + +suite() -> + [{timetrap, {seconds, 15}}]. + +all() -> + [start_ssl, + start_diameter, + start_services, + add_transports] + ++ [{group, N} || {N, _, _} <- groups()] + ++ [remove_transports, stop_services, stop_diameter, stop_ssl]. + +groups() -> + Ts = tc(), + [{all, [], Ts}, + {p, [parallel], Ts}]. + +init_per_group(_, Config) -> + Config. + +end_per_group(_, _) -> + ok. + +init_per_suite(Config) -> + case os:find_executable("openssl") of + false -> + {skip, no_openssl}; + _ -> + Config + end. + +end_per_suite(_Config) -> + ok. + +%% Testcases to run when services are started and connections +%% established. +tc() -> + [send1, + send2, + send3, + send4, + send5]. + +%% =========================================================================== +%% testcases + +start_ssl(_Config) -> + ok = ssl:start(). + +start_diameter(_Config) -> + ok = diameter:start(). + +start_services(Config) -> + Dir = proplists:get_value(priv_dir, Config), + Servers = [server(S, sopts(S, Dir)) || S <- ?SERVERS], + + ok = diameter:start_service(?CLIENT, ?SERVICE(?CLIENT, ?DICT_COMMON)), + + {save_config, [Dir | Servers]}. + +add_transports(Config) -> + {_, [Dir | Servers]} = proplists:get_value(saved_config, Config), + + true = diameter:subscribe(?CLIENT), + + Opts = ssl_options(Dir, "client"), + Connections = [connect(?CLIENT, S, copts(N, Opts)) + || {S,N} <- lists:zip(Servers, ?SERVERS)], + + ?util:write_priv(Config, "cfg", lists:zip(Servers, Connections)). + + +%% Remove the client transports and expect the corresponding server +%% transport to go down. +remove_transports(Config) -> + Ts = ?util:read_priv(Config, "cfg"), + [] = [T || S <- ?SERVERS, T <- [diameter:subscribe(S)], T /= true], + lists:map(fun disconnect/1, Ts). + +stop_services(_Config) -> + [] = [{H,T} || H <- [?CLIENT | ?SERVERS], + T <- [diameter:stop_service(H)], + T /= ok]. + +stop_diameter(_Config) -> + ok = diameter:stop(). + +stop_ssl(_Config) -> + ok = ssl:stop(). + +%% Send an STR intended for a specific server and expect success. +send1(_Config) -> + call(?SERVER1). +send2(_Config) -> + call(?SERVER2). +send3(_Config) -> + call(?SERVER3). +send4(_Config) -> + call(?SERVER4). +send5(_Config) -> + call(?SERVER5). + +%% =========================================================================== +%% diameter callbacks + +%% peer_up/3 + +peer_up(_SvcName, _Peer, State) -> + State. + +%% peer_down/3 + +peer_down(_SvcName, _Peer, State) -> + State. + +%% pick_peer/4 + +pick_peer([Peer], _, ?CLIENT, _State) -> + {ok, Peer}. + +%% prepare_request/3 + +prepare_request(#diameter_packet{msg = Req}, + ?CLIENT, + {_Ref, Caps}) -> + #diameter_caps{origin_host = {OH, _}, + origin_realm = {OR, _}} + = Caps, + + {send, set(Req, [{'Session-Id', diameter:session_id(OH)}, + {'Origin-Host', OH}, + {'Origin-Realm', OR}])}. + +%% prepare_retransmit/3 + +prepare_retransmit(_Pkt, false, _Peer) -> + discard. + +%% handle_answer/4 + +handle_answer(Pkt, _Req, ?CLIENT, _Peer) -> + #diameter_packet{msg = Rec, errors = []} = Pkt, + Rec. + +%% handle_error/4 + +handle_error(Reason, _Req, ?CLIENT, _Peer) -> + {error, Reason}. + +%% handle_request/3 + +handle_request(#diameter_packet{msg = #diameter_base_STR{'Session-Id' = SId}}, + OH, + {_Ref, #diameter_caps{origin_host = {OH,_}, + origin_realm = {OR, _}}}) + when OH /= ?CLIENT -> + {reply, #diameter_base_STA{'Result-Code' = ?SUCCESS, + 'Session-Id' = SId, + 'Origin-Host' = OH, + 'Origin-Realm' = OR}}. + +%% =========================================================================== +%% support functions + +call(Server) -> + Realm = realm(Server), + Req = ['STR', {'Destination-Realm', Realm}, + {'Termination-Cause', ?LOGOUT}, + {'Auth-Application-Id', ?APP_ID}], + #diameter_base_STA{'Result-Code' = ?SUCCESS, + 'Origin-Host' = Server, + 'Origin-Realm' = Realm} + = call(Req, [{filter, realm}]). + +call(Req, Opts) -> + diameter:call(?CLIENT, ?APP_ALIAS, Req, Opts). + +set([H|T], Vs) -> + [H | Vs ++ T]. + +disconnect({{LRef, _PortNr}, CRef}) -> + ok = diameter:remove_transport(?CLIENT, CRef), + ok = receive #diameter_event{info = {down, LRef, _, _}} -> ok + after 2000 -> false + end. + +realm(Host) -> + tl(lists:dropwhile(fun(C) -> C /= $. end, Host)). + +inband_security(Ids) -> + [{'Inband-Security-Id', Ids}]. + +ssl_options(Dir, Base) -> + {Key, Cert} = make_cert(Dir, Base ++ "_key.pem", Base ++ "_ca.pem"), + [{ssl_options, [{certfile, Cert}, {keyfile, Key}]}]. + +make_cert(Dir, Keyfile, Certfile) -> + [K,C] = Paths = [filename:join([Dir, F]) || F <- [Keyfile, Certfile]], + + KCmd = join(["openssl genrsa -out", K, "2048"]), + CCmd = join(["openssl req -new -x509 -key", K, "-out", C, "-days 7", + "-subj /C=SE/ST=./L=Stockholm/CN=www.erlang.org"]), + + %% Hope for the best and only check that files are written. + os:cmd(KCmd), + os:cmd(CCmd), + + [_,_] = [T || P <- Paths, {ok, T} <- [file:read_file_info(P)]], + + {K,C}. + +join(Strs) -> + string:join(Strs, " "). + +%% server/2 + +server(Host, {Caps, Opts}) -> + ok = diameter:start_service(Host, ?SERVICE(Host, ?DICT_COMMON)), + {ok, LRef} = diameter:add_transport(Host, ?LISTEN(Caps, Opts)), + {LRef, portnr(LRef)}. + +sopts(?SERVER1, Dir) -> + {inband_security([?TLS]), + ssl_options(Dir, "server1")}; +sopts(?SERVER2, Dir) -> + {inband_security([?NO_INBAND_SECURITY, ?TLS]), + ssl_options(Dir, "server2")}; +sopts(?SERVER3, _) -> + {[], []}; +sopts(?SERVER4, Dir) -> + {[], ssl(ssl_options(Dir, "server4"))}; +sopts(?SERVER5, Dir) -> + {[], ssl(ssl_options(Dir, "server5"))}. + +ssl([{ssl_options = T, Opts}]) -> + [{T, true} | Opts]. + +portnr(LRef) -> + portnr(LRef, 20). + +portnr(LRef, N) + when 0 < N -> + case diameter_reg:match({diameter_tcp, listener, {LRef, '_'}}) of + [{T, _Pid}] -> + {_, _, {LRef, {_Addr, LSock}}} = T, + {ok, PortNr} = to_portnr(LSock) , + PortNr; + [] -> + receive after 500 -> ok end, + portnr(LRef, N-1) + end. + +to_portnr(Sock) + when is_port(Sock) -> + inet:port(Sock); +to_portnr(Sock) -> + case ssl:sockname(Sock) of + {ok, {_,N}} -> + {ok, N}; + No -> + No + end. + +%% connect/3 + +connect(Host, {_LRef, PortNr}, {Caps, Opts}) -> + {ok, Ref} = diameter:add_transport(Host, ?CONNECT(PortNr, Caps, Opts)), + ok = receive + #diameter_event{service = Host, + info = {up, Ref, _, _, #diameter_packet{}}} -> + ok + after 2000 -> + false + end, + Ref. + +copts(S, Opts) + when S == ?SERVER1; + S == ?SERVER2; + S == ?SERVER3 -> + {inband_security([?NO_INBAND_SECURITY, ?TLS]), Opts}; +copts(S, Opts) + when S == ?SERVER4; + S == ?SERVER5 -> + {[], ssl(Opts)}. |