diff options
Diffstat (limited to 'lib/diameter/src/base/diameter_traffic.erl')
| -rw-r--r-- | lib/diameter/src/base/diameter_traffic.erl | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/lib/diameter/src/base/diameter_traffic.erl b/lib/diameter/src/base/diameter_traffic.erl index 2f486861a2..0de3825943 100644 --- a/lib/diameter/src/base/diameter_traffic.erl +++ b/lib/diameter/src/base/diameter_traffic.erl @@ -309,21 +309,35 @@ request_cb(App, %% examine/1 %% -%% Look for errors in a decoded message. Length errors result in -%% decode failure in diameter_codec. +%% Look for errors in a decoded message. It's odd/unfortunate that +%% 501[15] aren't protocol errors. -examine(#diameter_packet{header = #diameter_header{version - = ?DIAMETER_VERSION}} - = Pkt) -> - Pkt; +%% DIAMETER_INVALID_MESSAGE_LENGTH 5015 +%% +%% This error is returned when a request is received with an invalid +%% message length. + +examine(#diameter_packet{header = #diameter_header{length = Len}, + bin = Bin, + errors = Es} + = Pkt) + when Len < 20; + 0 /= Len rem 4; + 8*Len /= bit_size(Bin) -> + Pkt#diameter_packet{errors = [5015 | Es]}; %% DIAMETER_UNSUPPORTED_VERSION 5011 %% This error is returned when a request was received, whose version %% number is unsupported. -examine(#diameter_packet{errors = Es} = Pkt) -> - Pkt#diameter_packet{errors = [5011 | Es]}. -%% It's odd/unfortunate that this isn't a protocol error. +examine(#diameter_packet{header = #diameter_header{version = V}, + errors = Es} + = Pkt) + when V /= ?DIAMETER_VERSION -> + Pkt#diameter_packet{errors = [5011 | Es]}; + +examine(Pkt) -> + Pkt. %% request_cb/8 |