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-rw-r--r--lib/diameter/test/diameter_traffic_SUITE.erl113
1 files changed, 107 insertions, 6 deletions
diff --git a/lib/diameter/test/diameter_traffic_SUITE.erl b/lib/diameter/test/diameter_traffic_SUITE.erl
index 8d64beeac1..b03a9ce4d1 100644
--- a/lib/diameter/test/diameter_traffic_SUITE.erl
+++ b/lib/diameter/test/diameter_traffic_SUITE.erl
@@ -40,6 +40,7 @@
send_nok/1,
send_eval/1,
send_bad_answer/1,
+ send_protocol_error/1,
send_arbitrary/1,
send_unknown/1,
send_unknown_mandatory/1,
@@ -48,6 +49,9 @@
send_unsupported_app/1,
send_error_bit/1,
send_unsupported_version/1,
+ send_invalid_avp_bits/1,
+ send_invalid_avp_length/1,
+ send_invalid_reject/1,
send_long/1,
send_nopeer/1,
send_noapp/1,
@@ -165,6 +169,8 @@
?'DIAMETER_BASE_RESULT-CODE_DIAMETER_REALM_NOT_SERVED').
-define(UNABLE_TO_DELIVER,
?'DIAMETER_BASE_RESULT-CODE_DIAMETER_UNABLE_TO_DELIVER').
+-define(INVALID_AVP_LENGTH,
+ ?'DIAMETER_BASE_RESULT-CODE_DIAMETER_INVALID_AVP_LENGTH').
-define(EVENT_RECORD,
?'DIAMETER_BASE_ACCOUNTING-RECORD-TYPE_EVENT_RECORD').
@@ -177,6 +183,8 @@
?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_LOGOUT').
-define(BAD_ANSWER,
?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_BAD_ANSWER').
+-define(USER_MOVED,
+ ?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_USER_MOVED').
-define(A, list_to_atom).
-define(L, atom_to_list).
@@ -221,6 +229,7 @@ tc() ->
send_nok,
send_eval,
send_bad_answer,
+ send_protocol_error,
send_arbitrary,
send_unknown,
send_unknown_mandatory,
@@ -229,6 +238,9 @@ tc() ->
send_unsupported_app,
send_error_bit,
send_unsupported_version,
+ send_invalid_avp_bits,
+ send_invalid_avp_length,
+ send_invalid_reject,
send_long,
send_nopeer,
send_noapp,
@@ -299,7 +311,7 @@ osi(Id) ->
%% Ensure that result codes have the expected values.
result_codes(_Config) ->
- {2001, 3001, 3002, 3003, 3004, 3007, 3008, 3009, 5001, 5011}
+ {2001, 3001, 3002, 3003, 3004, 3007, 3008, 3009, 5001, 5011, 5014}
= {?SUCCESS,
?COMMAND_UNSUPPORTED,
?UNABLE_TO_DELIVER,
@@ -309,13 +321,14 @@ result_codes(_Config) ->
?INVALID_HDR_BITS,
?INVALID_AVP_BITS,
?AVP_UNSUPPORTED,
- ?UNSUPPORTED_VERSION}.
+ ?UNSUPPORTED_VERSION,
+ ?INVALID_AVP_LENGTH}.
%% Send an ACR and expect success.
send_ok(Config) ->
Req = ['ACR', {'Accounting-Record-Type', ?EVENT_RECORD},
{'Accounting-Record-Number', 1}],
-
+
#diameter_base_accounting_ACA{'Result-Code' = ?SUCCESS}
= call(Config, Req).
@@ -323,7 +336,7 @@ send_ok(Config) ->
send_nok(Config) ->
Req = ['ACR', {'Accounting-Record-Type', ?EVENT_RECORD},
{'Accounting-Record-Number', 0}],
-
+
#'diameter_base_answer-message'{'Result-Code' = ?INVALID_AVP_BITS}
= call(Config, Req).
@@ -343,6 +356,15 @@ send_bad_answer(Config) ->
{'Accounting-Record-Number', 2}],
{error, timeout} = call(Config, Req).
+%% Send an ACR that the server callback answers explicitly with a
+%% protocol error.
+send_protocol_error(Config) ->
+ Req = ['ACR', {'Accounting-Record-Type', ?EVENT_RECORD},
+ {'Accounting-Record-Number', 4}],
+
+ #'diameter_base_answer-message'{'Result-Code' = ?TOO_BUSY}
+ = call(Config, Req).
+
%% Send an ASR with an arbitrary AVP and expect success and the same
%% AVP in the reply.
send_arbitrary(Config) ->
@@ -410,6 +432,29 @@ send_unsupported_version(Config) ->
#diameter_base_STA{'Result-Code' = ?UNSUPPORTED_VERSION}
= call(Config, Req).
+%% Send a request containing an incorrect AVP length.
+send_invalid_avp_bits(Config) ->
+ Req = ['STR', {'Termination-Cause', ?LOGOUT}],
+
+ #'diameter_base_answer-message'{'Result-Code' = ?INVALID_AVP_BITS}
+ = call(Config, Req).
+
+%% Send a request containing an AVP length that doesn't match the
+%% AVP's type.
+send_invalid_avp_length(Config) ->
+ Req = ['STR', {'Termination-Cause', ?LOGOUT}],
+
+ #'diameter_base_STA'{'Result-Code' = ?INVALID_AVP_LENGTH}
+ = call(Config, Req).
+
+%% Send a request containing 5xxx errors that the server rejects with
+%% 3xxx.
+send_invalid_reject(Config) ->
+ Req = ['STR', {'Termination-Cause', ?USER_MOVED}],
+
+ #'diameter_base_answer-message'{'Result-Code' = ?TOO_BUSY}
+ = call(Config, Req).
+
%% Send something long that will be fragmented by TCP.
send_long(Config) ->
Req = ['STR', {'Termination-Cause', ?LOGOUT},
@@ -695,6 +740,40 @@ prepare_request(Pkt, ?CLIENT, {_Ref, Caps}, send_detach, _, _) ->
log(#diameter_packet{} = P, T) ->
io:format("~p: ~p~n", [T,P]).
+%% prepare/3
+
+prepare(Pkt, Caps, send_invalid_avp_bits) ->
+ Req = prepare(Pkt, Caps),
+ %% Last AVP in our STR is Termination-Cause of type Unsigned32:
+ %% set its length improperly.
+ #diameter_packet{header = #diameter_header{length = L},
+ bin = B}
+ = E
+ = diameter_codec:encode(?BASE, Pkt#diameter_packet{msg = Req}),
+ Offset = L - 7, %% to AVP Length
+ <<H:Offset/binary, 12:24/integer, T:4/binary>> = B,
+ E#diameter_packet{bin = <<H/binary, 13:24/integer, T/binary>>};
+
+prepare(Pkt, Caps, N)
+ when N == send_invalid_avp_length;
+ N == send_invalid_reject ->
+ Req = prepare(Pkt, Caps),
+ %% Second last AVP in our STR is Auth-Application-Id of type
+ %% Unsigned32: Send a value of length 8.
+ #diameter_packet{header = #diameter_header{length = L},
+ bin = B0}
+ = E
+ = diameter_codec:encode(?BASE, Pkt#diameter_packet{msg = Req}),
+ Offset = L - 7 - 12, %% to AVP Length
+ <<H0:Offset/binary, 12:24/integer, T:16/binary>> = B0,
+ <<V, L:24/integer, H/binary>> = H0, %% assert
+ E#diameter_packet{bin = <<V,
+ (L+4):24/integer,
+ H/binary,
+ 16:24/integer,
+ 0:32/integer,
+ T/binary>>};
+
prepare(Pkt, Caps, send_unsupported) ->
Req = prepare(Pkt, Caps),
#diameter_packet{bin = <<H:5/binary, _CmdCode:3/binary, T/binary>>}
@@ -726,6 +805,8 @@ prepare(Pkt, Caps, send_anything) ->
prepare(Pkt, Caps, _Name) ->
prepare(Pkt, Caps).
+%% prepare/2
+
prepare(#diameter_packet{msg = Req}, Caps)
when is_record(Req, diameter_base_accounting_ACR);
'ACR' == hd(Req) ->
@@ -790,10 +871,17 @@ handle_answer(Pkt, _Req, ?CLIENT, _Peer, send_detach, _Id, {Pid, Ref}) ->
Pid ! {Ref, Pkt}.
answer(Pkt, Req, _Peer, Name) ->
- #diameter_packet{header = H, msg = Rec, errors = []} = Pkt,
+ #diameter_packet{header = H, msg = Rec, errors = Es} = Pkt,
ApplId = app(Req, Name),
#diameter_header{application_id = ApplId} = H, %% assert
-
+ answer(Rec, Es, Name).
+
+answer(Rec, [_|_], N)
+ when N == send_invalid_avp_bits;
+ N == send_invalid_avp_length;
+ N == send_invalid_reject ->
+ Rec;
+answer(Rec, [], _) ->
Rec.
app(_, send_unsupported_app) ->
@@ -879,6 +967,15 @@ request(#diameter_base_accounting_ACR{'Session-Id' = SId,
{'Accounting-Record-Type', RT},
{'Accounting-Record-Number', RN}]};
+%% send_protocol_error
+request(#diameter_base_accounting_ACR{'Accounting-Record-Number' = 4},
+ #diameter_caps{origin_host = {OH, _},
+ origin_realm = {OR, _}}) ->
+ Ans = ['answer-message', {'Result-Code', ?TOO_BUSY},
+ {'Origin-Host', OH},
+ {'Origin-Realm', OR}],
+ {reply, Ans};
+
request(#diameter_base_ASR{'Session-Id' = SId,
'AVP' = Avps},
#diameter_caps{origin_host = {OH, _},
@@ -889,6 +986,10 @@ request(#diameter_base_ASR{'Session-Id' = SId,
{'Origin-Realm', OR},
{'AVP', Avps}]};
+%% send_invalid_reject
+request(#diameter_base_STR{'Termination-Cause' = ?USER_MOVED}, _Caps) ->
+ {protocol_error, ?TOO_BUSY};
+
%% send_noreply
request(#diameter_base_STR{'Termination-Cause' = T},
_Caps)